/* ═══════════════════════════════════════════════════════════
   恆光學院 · 靈魂崛起 — 前台樣式
   視覺語言還原自參考網站：暖金羊皮紙色調、深棕襯線字、金色細框、
   深棕按鈕、深藍前導影片區、拱形圖卡。
   ═══════════════════════════════════════════════════════════ */

body:not(.admin) {
  font-family: var(--font-serif);
  color: var(--c-ink);
  background: var(--c-cream);
}
:root {
  --c-muted: color-mix(in oklab, var(--c-ink) 72%, var(--c-cream));
  --c-subcopy: #71584d;
  --c-line: color-mix(in oklab, var(--c-accent) 38%, transparent);
  --c-line-strong: color-mix(in oklab, var(--c-accent-deep) 40%, transparent);
  --header-h: 84px;
}
h1,
h2,
h3,
h4 {
  font-weight: 500;
  color: var(--c-ink);
}
h1 em,
h2 em,
h3 em,
.section-title em,
.hero-title em {
  font-style: normal;
  color: var(--c-accent-deep);
}

/* ── Announcement & verify banner ── */
.announcement {
  background: var(--c-cocoa);
  color: #f5e7d1;
  text-align: center;
  font: 13px/1.6 var(--font-ui);
  letter-spacing: 0.08em;
  padding: 0.55rem var(--gutter);
}
.announcement a {
  color: inherit;
  text-decoration: none;
}
.verify-banner {
  background: #fff3d9;
  color: #7a4f17;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--c-line);
}
.verify-inner {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding-block: 0.55rem;
  flex-wrap: wrap;
}

/* ── Header ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  background: color-mix(in oklab, #fff5e3 94%, transparent);
  backdrop-filter: saturate(1.2) blur(10px);
  -webkit-backdrop-filter: saturate(1.2) blur(10px);
  border-bottom: 1px solid #dfbf84;
  color: #59352b;
}
.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.site-header.is-focus {
  height: 64px;
  background: #fff5e3;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: #59352b;
  text-decoration: none;
  margin-right: auto;
  min-width: 0;
}
.brand:hover {
  color: #59352b;
}
.brand-logo {
  width: 48px;
  height: 48px;
  object-fit: contain;
  filter: drop-shadow(0 0 7px rgba(239, 180, 54, 0.42));
  flex-shrink: 0;
}
.is-focus .brand-logo {
  width: 40px;
  height: 40px;
}
.brand-mark {
  color: var(--c-accent-deep);
  display: grid;
  place-items: center;
}
.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  min-width: 0;
}
.brand-name {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 20px;
  letter-spacing: 0.14em;
  white-space: nowrap;
}
.brand-sub {
  font: 10px/1.4 var(--font-display);
  letter-spacing: 0.27em;
  color: #b48a4a;
  margin-top: 6px;
  white-space: nowrap;
}
.main-nav ul {
  display: flex;
  gap: 0.15rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.main-nav a {
  display: block;
  padding: 0.5rem 0.8rem;
  color: #59352b;
  text-decoration: none;
  font: 14px/1.4 var(--font-ui);
  letter-spacing: 0.06em;
  border-bottom: 1px solid transparent;
  transition:
    color 0.2s,
    border-color 0.2s;
}
.main-nav a:hover,
.main-nav a[aria-current="page"] {
  color: var(--c-accent-deep);
  border-bottom-color: var(--c-accent);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.header-auth {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}
.header-auth .btn {
  min-height: 40px;
  padding: 0.45rem 1.1rem;
  font-size: 13px;
}
.header-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: #59352b;
  text-decoration: none;
  font: 14px/1.4 var(--font-ui);
  letter-spacing: 0.06em;
}
.header-link:hover {
  color: var(--c-accent-deep);
}
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 4px;
  border: 1px solid #dfbf84;
  background: transparent;
  color: #59352b;
  place-items: center;
}
.user-menu {
  position: relative;
}
.user-menu-trigger {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.25rem 0.55rem 0.25rem 0.25rem;
  border-radius: 999px;
  border: 1px solid #dfbf84;
  background: #fffaf0;
  color: #59352b;
  font-family: var(--font-ui);
}
.user-menu-name {
  max-width: 8em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.9rem;
}
.user-menu-panel {
  position: absolute;
  right: 0;
  top: calc(100% + 10px);
  min-width: 220px;
  padding: 0.5rem;
  background: var(--c-surface);
  color: var(--c-ink);
  border: 1px solid #dfbf84;
  border-radius: 6px;
  box-shadow: var(--shadow-lg);
  z-index: 60;
  animation: pop 0.18s var(--ease);
  font-family: var(--font-ui);
}
.user-menu-panel a,
.user-menu-panel button {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  width: 100%;
  padding: 0.6rem 0.75rem;
  border-radius: 4px;
  border: 0;
  background: transparent;
  color: var(--c-ink);
  text-decoration: none;
  font-size: 0.92rem;
  text-align: left;
}
.user-menu-panel a:hover,
.user-menu-panel button:hover {
  background: var(--c-soft);
}
.user-menu-panel .menu-admin {
  color: var(--c-accent-deep);
}
.user-menu-panel form {
  border-top: 1px solid var(--c-line);
  margin-top: 0.35rem;
  padding-top: 0.35rem;
}
@keyframes pop {
  from {
    opacity: 0;
    transform: translateY(-6px) scale(0.98);
  }
}
@media (max-width: 1080px) {
  .nav-toggle {
    display: inline-grid;
  }
  .main-nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    background: #fff5e3;
    border-bottom: 1px solid #dfbf84;
    padding: 0.5rem var(--gutter) 1.25rem;
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition:
      opacity 0.25s,
      transform 0.25s var(--ease);
    box-shadow: var(--shadow-lg);
  }
  .main-nav.is-open {
    opacity: 1;
    transform: none;
    pointer-events: auto;
  }
  .main-nav ul {
    flex-direction: column;
  }
  .main-nav a {
    padding: 0.9rem 0.25rem;
    font-size: 15px;
    border-bottom: 1px solid var(--c-line);
  }
  .user-menu-name {
    display: none;
  }
}
@media (max-width: 560px) {
  :root {
    --header-h: 70px;
  }
  .brand-logo {
    width: 40px;
    height: 40px;
  }
  .brand-name {
    font-size: 17px;
    letter-spacing: 0.1em;
  }
  .brand-sub {
    font-size: 9px;
  }
  .header-auth .header-link {
    display: none;
  }
  .header-inner {
    gap: 0.5rem;
  }
}

/* ── Flash ── */
.flash-stack {
  position: fixed;
  top: calc(var(--header-h) + 12px);
  right: 16px;
  left: 16px;
  z-index: 80;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.6rem;
  pointer-events: none;
}
.flash {
  pointer-events: auto;
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  max-width: 460px;
  padding: 0.85rem 0.9rem 0.85rem 1rem;
  border-radius: 6px;
  background: var(--c-surface);
  box-shadow: var(--shadow-lg);
  border: 1px solid #dfbf84;
  font-size: 0.94rem;
  line-height: 1.6;
  animation: slide-in 0.35s var(--ease);
}
.flash > .icon {
  margin-top: 2px;
}
.flash-success > .icon {
  color: var(--c-success);
}
.flash-error > .icon {
  color: var(--c-danger);
}
.flash-warning > .icon {
  color: var(--c-warning);
}
.flash-info > .icon {
  color: var(--c-info);
}
.flash-close {
  border: 0;
  background: transparent;
  color: var(--c-muted);
  padding: 2px;
  margin-left: 0.25rem;
  border-radius: 4px;
}
.flash.is-leaving {
  opacity: 0;
  transform: translateX(20px);
  transition: all 0.3s;
}
@keyframes slide-in {
  from {
    opacity: 0;
    transform: translateX(24px);
  }
}

/* ── Sections (shared) ──
   留白與標題字級同時依視窗寬「與高」縮放（min(vw, vh)）：矮螢幕（1280×720 筆電）不再被標題與留白吃掉整個畫面 */
.section {
  padding: clamp(40px, min(7vw, 9vh), 96px) 0;
  position: relative;
}
/* 首頁錨點（導覽列「AI 主講師」等）讓區塊緊貼頁首下緣：區塊本身已有上留白 */
html:has(body.page-home) {
  scroll-padding-top: var(--header-h);
}
.section-tight {
  padding: clamp(40px, 6vw, 72px) 0;
}
.section-heading {
  max-width: 820px;
  margin-bottom: clamp(1.25rem, min(4vw, 4.5vh), 3rem);
}
.section-heading.is-center {
  margin-inline: auto;
  text-align: center;
}
.section-title {
  font-size: clamp(28px, min(3.8vw, 6.2vh), 52px);
  font-weight: 500;
  line-height: 1.28;
  letter-spacing: 0.04em;
  margin-bottom: clamp(0.65rem, 1.8vh, 1.25rem);
  color: #512b29;
  text-wrap: balance;
}
.section-lead {
  color: var(--c-subcopy);
  font-size: clamp(15px, min(1.3vw, 2.2vh), 18px);
  line-height: 1.85;
}
.section-lead p {
  margin: 0;
  text-wrap: pretty;
}
.closing-line {
  text-align: center;
  text-wrap: balance;
  color: #8b5a36;
  letter-spacing: 0.08em;
  font-size: clamp(15px, 1.7vw, 19px);
  margin: clamp(1.5rem, min(4vw, 5vh), 3rem) auto 0;
}

/* ── Hero ── */
.hero {
  position: relative;
  min-height: min(760px, calc(100svh - var(--header-h)));
  display: flex;
  align-items: center;
  color: #4d2d28;
  background-color: #f7e8c9;
  background-image: linear-gradient(rgba(250, 222, 166, 0.18), rgba(252, 231, 194, 0.22)), var(--hero-image, none);
  background-blend-mode: multiply, normal;
  background-size: cover;
  background-position: center;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 90px;
  background: linear-gradient(to bottom, transparent, rgba(255, 250, 240, 0.55));
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 1;
  padding-block: clamp(28px, min(7vw, 8vh), 96px);
}
.hero-card {
  max-width: 560px;
  padding: clamp(24px, min(4vw, 5vh), 44px) clamp(24px, 3.5vw, 40px);
  background: rgba(255, 249, 232, 0.94);
  border: 1px solid #d9b978;
  box-shadow: 0 22px 68px rgba(133, 88, 32, 0.13);
}
.hero-card .kicker {
  color: #9b651d;
}
.hero-title {
  font-size: clamp(34px, min(4.6vw, 7.4vh), 64px);
  line-height: 1.24;
  letter-spacing: 0.02em;
  color: #512b29;
  margin-bottom: 1.4rem;
}
.hero-title em {
  font-size: 1.22em;
  color: #a06b24;
}
.hero-lead {
  color: #5d3d33;
  font-size: clamp(15px, 1.35vw, 17px);
  line-height: 2;
  margin-bottom: clamp(1.1rem, 2.6vh, 1.75rem);
}
.hero-lead p {
  margin: 0;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.hero-down {
  display: inline-flex;
  align-items: center;
  gap: 1.5rem;
  margin-top: clamp(1rem, 2.6vh, 1.75rem);
  padding-bottom: 6px;
  color: #8b5a2b;
  border-bottom: 1px solid currentColor;
  text-decoration: none;
  font: 700 14px/1.5 var(--font-ui);
  letter-spacing: 0.08em;
}
.hero-down span {
  animation: bob 2.2s ease-in-out infinite;
}
@keyframes bob {
  50% {
    transform: translateY(4px);
  }
}

/* ── Film (navy) ── */
.film {
  color: #f5e9cc;
  background:
    radial-gradient(circle at 74% 33%, rgba(204, 171, 91, 0.18), transparent 38%),
    linear-gradient(135deg, var(--c-night), color-mix(in oklab, var(--c-night) 80%, #2d4a6f) 57%, var(--c-night));
}
.film-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}
.film .kicker {
  color: #e9cd89;
}
.film h2 {
  color: #f8ecd0;
  font-size: clamp(28px, min(3.8vw, 6vh), 52px);
  line-height: 1.38;
  letter-spacing: 0.04em;
}
.film-copy p:not(.kicker) {
  color: #c8d5e3;
  font-size: clamp(15px, 1.4vw, 18px);
  line-height: 1.95;
}
.film-frame {
  position: relative;
  padding: 10px;
  background: linear-gradient(135deg, #fff2c7, #d9b76d 30%, #f8e3a8 55%, #b78c43 80%, #fbe9b6);
  box-shadow:
    0 30px 70px rgba(0, 0, 0, 0.45),
    0 0 60px rgba(217, 183, 109, 0.18);
}
.film-frame video,
.film-frame img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: #000;
}
.film-corner {
  position: absolute;
  width: 34px;
  height: 34px;
  border: 2px solid #fff6dc;
  pointer-events: none;
  z-index: 1;
}
.film-corner.tl {
  top: 18px;
  left: 18px;
  border-width: 2px 0 0 2px;
}
.film-corner.tr {
  top: 18px;
  right: 18px;
  border-width: 2px 2px 0 0;
}
.film-corner.bl {
  bottom: 18px;
  left: 18px;
  border-width: 0 0 2px 2px;
}
.film-corner.br {
  bottom: 18px;
  right: 18px;
  border-width: 0 2px 2px 0;
}

/* ── Essence ── */
.essence {
  color: #5c392f;
  background:
    radial-gradient(circle at 50% 0, rgba(255, 239, 183, 0.85), transparent 42%),
    linear-gradient(var(--c-cream), #f3e8d5 100%);
  overflow: hidden;
}
.essence::before {
  content: "";
  position: absolute;
  top: 24px;
  right: 5%;
  width: 188px;
  height: 188px;
  background: url(/assets/brand/ornate-star.svg) center / contain no-repeat;
  opacity: 0.33;
  pointer-events: none;
}
.essence-art {
  height: clamp(200px, min(38vw, 48vh), 520px);
  background-size: cover;
  background-position: center;
  box-shadow: 0 24px 42px rgba(85, 70, 53, 0.16);
}
.essence-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  max-width: 1130px;
  margin: 0 auto;
}
.essence-grid.has-art {
  margin-top: clamp(-90px, -6vw, -40px);
  padding-inline: clamp(0px, 2vw, 26px);
}
.essence-card {
  position: relative;
  padding: 30px 34px 28px;
  background: rgba(255, 251, 240, 0.94);
  backdrop-filter: blur(7px);
  border: 1px solid #d9b67a;
  box-shadow: 0 16px 37px rgba(94, 67, 37, 0.13);
}
.essence-card::before {
  content: "";
  position: absolute;
  top: 22px;
  right: 22px;
  width: 31px;
  height: 31px;
  background: url(/assets/brand/ornate-star.svg) center / contain no-repeat;
}
.essence-label {
  display: block;
  font: 700 12px/1.5 var(--font-ui);
  letter-spacing: 0.14em;
  color: #9b651d;
  margin-bottom: 1rem;
}
.essence-card h3 {
  font-size: clamp(20px, 2vw, 25px);
  margin-bottom: 0.75rem;
  color: #512b29;
}
.essence-card p {
  color: #6a5045;
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
}

/* ── Audience ── */
.audience {
  isolation: isolate;
  background:
    radial-gradient(circle at 19% 44%, rgba(246, 223, 169, 0.36), transparent 38%),
    radial-gradient(circle at 82% 79%, rgba(235, 199, 134, 0.21), transparent 35%),
    linear-gradient(#fffaf0, #f7ecd9);
  overflow: hidden;
}
.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(16px, 2vw, 26px);
}
.audience-card {
  overflow: hidden;
  background: #fffcf3;
  border: 1px solid #dfb878;
  border-radius: 48% 48% 18px 18px / 16% 16% 18px 18px;
  box-shadow: 0 18px 32px rgba(11, 27, 54, 0.06);
  transition:
    transform 0.4s var(--ease),
    box-shadow 0.4s var(--ease);
}
.audience-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 26px 44px rgba(94, 67, 37, 0.16);
}
.audience-card img {
  width: 100%;
  height: clamp(180px, min(24vw, 26vh), 330px);
  object-fit: cover;
  object-position: center top;
}
.audience-body {
  padding: 1.4rem 1.6rem 1.7rem;
}
.audience-no {
  color: #b58a43;
  font: 20px var(--font-display);
}
.audience-card h3 {
  margin: 0.6rem 0;
  font-size: clamp(20px, 2vw, 25px);
}
.audience-card p {
  color: #6c5146;
  margin: 0;
}
.pullquote {
  text-align: center;
  text-wrap: balance;
  color: #834a30;
  letter-spacing: 0.04em;
  font-size: clamp(18px, 2.3vw, 28px);
  margin: clamp(1.75rem, min(5vw, 5vh), 3.5rem) auto 0;
}

/* ── Path ── */
.path {
  background: linear-gradient(#f1e8da, #fbf7ed 42%, #f4ead9 100%);
}
.path-equation {
  width: fit-content;
  max-width: 100%;
  margin: 0 auto 1.25rem;
  padding: 0.75rem 1.4rem;
  border-top: 1px solid #caa46c;
  border-bottom: 1px solid #caa46c;
  background: rgba(255, 249, 235, 0.65);
  color: #81562e;
  font-weight: 600;
  font-size: clamp(15px, 1.8vw, 22px);
  letter-spacing: 0.06em;
  text-align: center;
}
.path-equation .eq-op {
  color: #c18b37;
  padding: 0 0.27em;
}
.path-scene {
  position: relative;
  aspect-ratio: 16 / 9;
  background-size: cover;
  background-position: center;
  filter: saturate(1.04) contrast(1.02);
  overflow: hidden;
}
.path-label {
  position: absolute;
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 7px 10px;
  border-radius: 6px;
  color: #654131;
  line-height: 1.32;
  text-shadow: 0 1px 8px #fff8e8;
  background: linear-gradient(90deg, rgba(255, 251, 237, 0.88), rgba(255, 251, 237, 0.25));
}
.path-label span {
  font: 700 12px/1.4 var(--font-ui);
  letter-spacing: 0.06em;
  color: #9c6f33;
}
.path-label strong {
  font-size: clamp(14px, 1.6vw, 23px);
  font-weight: 600;
}
.path-label-0 {
  top: 63%;
  left: 2%;
}
.path-label-1 {
  top: 44%;
  left: 18%;
}
.path-label-2 {
  top: 31%;
  left: 38%;
}
.path-label-3 {
  top: 18%;
  left: 58%;
}
.path-label-4 {
  top: 45%;
  left: 79%;
}
.stage-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 12px;
}
.stage {
  display: flex;
  gap: 14px;
  align-items: center;
  padding: 18px 16px;
  background: rgba(255, 251, 240, 0.92);
  border: 1px solid #d9b67a;
}
.stage-icon {
  width: 64px;
  height: 64px;
  flex-shrink: 0;
}
.stage span {
  font: 700 12px var(--font-ui);
  color: #9b651d;
}
.stage h3 {
  font-size: 20px;
  margin: 0.2rem 0 0.35rem;
}
.stage p {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: #6a5045;
}
.lesson-contents {
  position: relative;
  margin: clamp(2rem, 4vw, 2.75rem) auto 0;
  padding: 36px clamp(18px, 4vw, 48px) 25px;
  background: linear-gradient(145deg, rgba(255, 254, 248, 0.94), rgba(250, 241, 222, 0.9));
  border: 1px solid rgba(187, 139, 66, 0.42);
  box-shadow: 0 16px 48px rgba(104, 73, 37, 0.1);
  overflow: hidden;
}
.lesson-contents-heading {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 1.5rem;
  align-items: center;
  text-align: center;
  margin-bottom: 1.5rem;
}
.lesson-contents-heading .rule {
  height: 1px;
  background: linear-gradient(90deg, transparent, #c39a57);
}
.lesson-contents-heading .rule:last-child {
  background: linear-gradient(90deg, #c39a57, transparent);
}
.lesson-contents-heading p {
  margin: 0 0 0.4rem;
  font: 700 11px/1.5 var(--font-ui);
  letter-spacing: 0.24em;
  color: #9b651d;
}
.lesson-contents-heading h3 {
  margin: 0;
  text-wrap: balance;
  font-size: clamp(20px, 2.4vw, 30px);
  font-weight: 600;
}
.lesson-intro {
  position: relative;
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 12px;
  padding: 17px 24px;
  background: linear-gradient(100deg, #fff8e9, #fffdf6 58%, #f8e8c7);
  border: 1px solid #cfae75;
}
.lesson-intro-mark {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 1px solid #cfa65f;
  color: #b07a35;
  font-size: 26px;
  background: radial-gradient(circle, #fffaf0, #f5e6c6);
  box-shadow: 0 0 0 6px rgba(240, 216, 165, 0.35);
}
.lesson-intro-label {
  display: block;
  font: 700 11px var(--font-ui);
  color: #9b651d;
  letter-spacing: 0.08em;
}
.lesson-intro h4 {
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 600;
  margin: 0.35rem 0;
}
.lesson-intro p {
  margin: 0;
  font-size: 14px;
  color: #6a5045;
}
.lesson-intro-number {
  position: absolute;
  right: 22px;
  top: 16px;
  font: 700 12px var(--font-display);
  letter-spacing: 0.1em;
  color: #9b651d;
}
.lesson-groups {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  align-items: start;
}
.lesson-group {
  background: rgba(255, 252, 244, 0.9);
  border: 1px solid #dcc398;
  transition:
    border-color 0.2s,
    box-shadow 0.2s;
}
.lesson-group[open] {
  border-color: #c39a57;
  box-shadow: 0 12px 28px rgba(104, 73, 37, 0.1);
}
.lesson-group summary {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  grid-template-areas: "no main range" "no main toggle";
  gap: 0 14px;
  align-items: center;
  padding: 18px 20px;
}
.lesson-group summary::-webkit-details-marker {
  display: none;
}
.lesson-group-no {
  grid-area: no;
  min-width: 2.4em;
  text-align: center;
  padding-right: 14px;
  border-right: 1px solid #d9bf8f;
  font: italic 24px var(--font-display);
  color: #b48446;
}
.lesson-group-main {
  grid-area: main;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.lesson-group-main strong {
  font-size: 20px;
  font-weight: 600;
  color: #512b29;
}
.lesson-group-main small {
  font-size: 13px;
  color: #6f574b;
}
.lesson-group-range {
  grid-area: range;
  font: 700 11px var(--font-ui);
  color: #8e6430;
  white-space: nowrap;
  align-self: start;
}
.lesson-group-toggle {
  grid-area: toggle;
  justify-self: end;
  position: relative;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid #c9a46b;
}
.lesson-group-toggle::before,
.lesson-group-toggle::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 10px;
  height: 1.5px;
  background: #a07337;
  transform: translate(-50%, -50%);
  transition: transform 0.3s var(--ease);
}
.lesson-group-toggle::after {
  transform: translate(-50%, -50%) rotate(90deg);
}
.lesson-group[open] .lesson-group-toggle::after {
  transform: translate(-50%, -50%) rotate(0);
}
.lesson-group-panel {
  padding: 0 20px 8px;
}
.lesson-row {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 11px;
  padding: 14px 0;
  border-top: 1px solid rgba(189, 154, 95, 0.34);
}
.lesson-row > span {
  font: 700 13px var(--font-display);
  color: #a87b3d;
}
.lesson-row h4 {
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 0.25rem;
}
.lesson-row p {
  margin: 0;
  font-size: 13px;
  color: #6f574b;
  line-height: 1.7;
}
@media (min-width: 761px) {
  /* 展開一段旅程時改為單欄，三堂課並排顯示 */
  .lesson-groups:has(.lesson-group[open]) {
    grid-template-columns: minmax(0, 1fr);
  }
  .lesson-group[open] .lesson-group-panel {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 18px;
    padding: 0 24px 16px 61px;
  }
}
.lesson-contents-hint {
  text-align: center;
  margin: 1rem 0 0;
  font-size: 12px;
  color: #9b7a52;
}

/* ── Mentors ──
   標題＋說明＋四張肖像＋標語必須在一個桌機畫面內完整呈現（1280×720、1440×900、1920×1080 皆同）：
   肖像高度 =（視窗高 − 頁首）− 其他元素高度，其他元素的字級與間距都由下列變數決定，因此可直接相減；
   肖像高度限制在 180–470px，並不超過欄寬的 1.6 倍（再高會裁到合成圖上方的標題字）；寬度依 2:3 由高度推得，四張置中。
   手機（≤700px）改為 2×2 精簡排列。 */
.mentors {
  --m-pad: clamp(24px, min(4vw, 4.6vh), 60px);
  --m-title: clamp(26px, min(3.2vw, 5.2vh), 46px);
  --m-lead: clamp(14px, min(1.2vw, 2vh), 17px);
  --m-foot: clamp(14px, min(1.3vw, 2vh), 17px);
  --m-head-gap: clamp(14px, 2.6vh, 30px);
  --m-gap: clamp(12px, 1.6vw, 22px);
  /* 非肖像部分：上下留白、眉標（18px＋12px）、兩行標題、標題下距、兩行說明、標題區下距、肖像底線（14＋2）、標語（上距 14＋一行） */
  --m-chrome: calc(2 * var(--m-pad) + 30px + 2.5 * var(--m-title) + 10px + 3.5 * var(--m-lead) + var(--m-head-gap) + 16px + 14px + 1.6 * var(--m-foot));
  --m-col: calc((min(100vw, var(--container) + 2 * var(--gutter)) - 2 * var(--gutter) - 3 * var(--m-gap)) / 4);
  --m-portrait-h: max(180px, min(100vh - var(--header-h) - var(--m-chrome) - 8px, 470px, 1.6 * var(--m-col)));
  isolation: isolate;
  overflow: hidden;
  padding-block: var(--m-pad);
  border-top: 1px solid #d6b77b;
  background:
    radial-gradient(circle at 50% 42%, rgba(255, 226, 159, 0.4), transparent 47%),
    linear-gradient(#f0e7d7, #fff9ec 68%, #ebd8bc);
}
.mentors::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.075;
  filter: sepia(0.65) saturate(0.8);
  background: url(/assets/brand/course-essence-ascent.webp) 50% 44% / cover no-repeat;
  -webkit-mask-image: linear-gradient(transparent 4%, #000 26% 80%, transparent 100%);
  mask-image: linear-gradient(transparent 4%, #000 26% 80%, transparent 100%);
}
.mentors .section-heading {
  margin-bottom: var(--m-head-gap);
}
.mentors .eyebrow {
  margin-bottom: 12px;
}
.mentors .section-title {
  font-size: var(--m-title);
  line-height: 1.25;
  margin-bottom: 10px;
}
.mentors .section-lead {
  font-size: var(--m-lead);
  line-height: 1.75;
}
.mentor-grid {
  display: flex;
  justify-content: center;
  gap: var(--m-gap);
  padding-bottom: 14px;
  border-bottom: 2px solid rgba(186, 135, 56, 0.5);
}
.mentor-portrait {
  flex: 0 1 calc(var(--m-portrait-h) * 0.68);
  min-width: 0;
  height: var(--m-portrait-h);
  background-repeat: no-repeat;
  background-size: 480%;
  border: clamp(4px, 0.45vw, 6px) solid #e8b95f;
  border-radius: 170px 170px 15px 15px;
  box-shadow:
    0 22px 38px rgba(108, 68, 34, 0.2),
    0 0 0 2px rgba(255, 250, 222, 0.95),
    inset 0 0 30px rgba(255, 218, 128, 0.18);
}
.mentor-0 {
  background-position: 10% 67%;
}
.mentor-1 {
  background-position: 37.5% 67%;
}
.mentor-2 {
  background-position: 63% 67%;
}
.mentor-3 {
  background-position: 89% 67%;
}
.mentor-foot {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.25rem 1.5rem;
  margin: 14px 0 0;
  color: #8b5a36;
  letter-spacing: 0.12em;
  font-size: var(--m-foot);
  line-height: 1.6;
}
.mentor-foot-tail::before {
  content: "／";
  margin-right: 1.5rem;
  color: #c39a57;
}
@media (max-width: 700px) {
  .mentors {
    --m-pad: 28px;
    --m-title: clamp(24px, 6.7vw, 30px);
    --m-lead: 14px;
    --m-foot: 14px;
    --m-head-gap: 18px;
  }
  .mentor-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    padding-bottom: 12px;
  }
  .mentor-portrait {
    height: auto;
    aspect-ratio: 4 / 5;
    border-width: 4px;
    border-radius: 115px 115px 10px 10px;
    box-shadow:
      0 14px 24px rgba(108, 68, 34, 0.18),
      0 0 0 2px rgba(255, 250, 222, 0.95);
  }
  /* 較矮的比例下把裁切往上移，頭飾不被切掉 */
  .mentors .mentor-portrait {
    background-position-y: 58%;
  }
  .mentor-foot {
    flex-direction: column;
    align-items: center;
    gap: 0;
    margin-top: 10px;
  }
  .mentor-foot-tail::before {
    display: none;
  }
}
/* 較矮的手機（例如 360×740）：肖像改為方形（頭像＋肩膀），整個區塊仍在一個畫面內 */
@media (max-width: 700px) and (max-height: 800px) {
  .mentor-portrait {
    aspect-ratio: 1;
  }
  .mentors .mentor-portrait {
    background-position-y: 47%;
  }
}

/* ── Registration ── */
.registration {
  background:
    radial-gradient(circle at 14% 2%, rgba(255, 233, 175, 0.86), transparent 38%),
    linear-gradient(170deg, #fff0d1, #fffaf0 58%, #f1dcb7);
}
.registration-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}
.registration h2 {
  font-size: clamp(26px, min(3.2vw, 5.4vh), 42px);
  line-height: 1.4;
  margin-bottom: 1.4rem;
}
.registration-intro p {
  color: #5d3d33;
  font-size: 16px;
  line-height: 2;
  margin: 0 0 0.9rem;
}
.session-months {
  margin-top: 1.5rem;
}
.session-month + .session-month {
  margin-top: 1rem;
}
.session-month-title {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin: 0 0 0.55rem;
  padding-bottom: 0.55rem;
  border-bottom: 1px solid #d6b77b;
}
.session-month-title span:first-child {
  font-size: 18px;
  font-weight: 600;
  color: #8a5a2b;
}
.session-month-title span:last-child {
  font: 11px var(--font-ui);
  letter-spacing: 0.16em;
  color: #9b7a52;
}
.session-dates {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}
.session-date {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px;
  background: #fffcf3;
  border: 1px solid #dcc398;
}
.session-date.is-full {
  opacity: 0.55;
}
.session-badge {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 53px;
  min-width: 53px;
  height: 55px;
  color: #673e2c;
  background: linear-gradient(140deg, #f2ddb1, #c99951);
}
.session-badge strong {
  font: 700 22px/1 var(--font-display);
}
.session-badge small {
  font-size: 10px;
  margin-top: 4px;
}
.session-date b {
  display: block;
  font-size: 14px;
  color: #512b29;
}
.session-date span {
  font-size: 12px;
  color: #8a6a55;
}
.time-note {
  margin: 1.5rem 0 0;
  color: #5d3d33;
  letter-spacing: 0.12em;
}
.form-card {
  padding: clamp(24px, 3.5vw, 38px);
  background: #fffdf6;
  border: 1px solid #d6b77b;
  box-shadow: 0 22px 56px rgba(104, 73, 37, 0.13);
}
.form-card h3 {
  font-size: clamp(22px, 2.4vw, 28px);
  margin-bottom: 0.4rem;
}
.form-subtitle {
  color: #7b6556;
  font-size: 14px;
}
.form-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin: 1.25rem 0 1rem;
}
.form-grid-2 .span-2 {
  grid-column: 1 / -1;
}
.form-card .field-label,
.reflection-form .field-label {
  font: 700 13px/1.5 var(--font-ui);
  color: #4c2b27;
}
.form-card .input,
.reflection-form .input {
  border-radius: 2px;
  border-color: #c9b490;
  background: #fff;
}
.honeypot {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.form-consent {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
  font: 13px/1.7 var(--font-ui);
  color: #6f574b;
  margin-bottom: 1.25rem;
  cursor: pointer;
}
.form-consent input {
  margin-top: 4px;
  accent-color: var(--c-cocoa);
}
.form-consent.has-error {
  color: var(--c-danger);
}
.site-closing {
  margin-top: clamp(2.5rem, 6vw, 4.5rem);
  padding-top: clamp(2rem, 5vw, 3rem);
  border-top: 1px solid #dcc398;
  text-align: center;
}
.site-closing p {
  margin: 0;
  font-size: clamp(22px, 3vw, 34px);
  letter-spacing: 0.2em;
  color: #a06b24;
}

/* ── Reflection ── */
.reflection-invite {
  padding: clamp(48px, 7vw, 70px) 0;
  background: linear-gradient(115deg, #fffaf0, #f3e4c9 55%, #f9f0dc);
  border-top: 1px solid #e3c991;
}
.reflection-invite-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}
.reflection-invite h2 {
  font-size: clamp(24px, 3vw, 38px);
  line-height: 1.5;
  margin: 0;
}
.reflection-dialog {
  width: min(680px, calc(100% - 24px));
  max-height: calc(100vh - 32px);
  padding: 0;
  border: 1px solid #d6b77b;
  background: #fffdf6;
  box-shadow: 0 30px 90px rgba(46, 26, 18, 0.35);
  color: var(--c-ink);
}
.reflection-dialog::backdrop {
  background: rgba(40, 24, 16, 0.55);
  backdrop-filter: blur(3px);
}
.dialog-close {
  position: sticky;
  top: 10px;
  float: right;
  margin: 10px 10px 0 0;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid #d6b77b;
  background: #fffaf0;
  font-size: 22px;
  line-height: 1;
  color: #6a4b3a;
  z-index: 2;
}
.reflection-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: clamp(24px, 4vw, 40px);
}
.reflection-form h2 {
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.45;
  margin: 0;
}
.reflection-intro {
  color: #6f574b;
  margin: 0;
}

/* ── Generic home blocks ── */
.story-grid,
.instructor-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: center;
}
.story-image,
.instructor-portrait img {
  width: 100%;
  box-shadow: var(--shadow-lg);
}
.story-quote {
  margin: 0;
  padding: clamp(1.75rem, 4vw, 2.75rem);
  background: #fffcf3;
  border: 1px solid #d9b67a;
}
.story-quote blockquote {
  margin: 0;
  font-size: clamp(1.2rem, 2.2vw, 1.55rem);
  line-height: 1.8;
  color: #834a30;
}
.story-quote figcaption {
  margin-top: 1rem;
  font: 700 12px var(--font-ui);
  letter-spacing: 0.2em;
  color: #9b651d;
}
.pillar-grid {
  display: grid;
  gap: 16px;
}
.pillar-grid.cols-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.pillar-grid.cols-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.pillar-grid.cols-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.pillar {
  padding: 30px 28px;
  background: rgba(255, 251, 240, 0.94);
  border: 1px solid #d9b67a;
  box-shadow: var(--shadow);
}
.pillar-icon {
  color: var(--c-accent-deep);
  margin-bottom: 1rem;
}
.pillar-kicker {
  font: 700 12px var(--font-ui);
  letter-spacing: 0.14em;
  color: #9b651d;
  margin: 0 0 0.3rem;
}
.pillar-title {
  font-size: 22px;
}
.pillar-body {
  color: #6a5045;
  margin: 0;
}
.steps-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}
.step {
  padding: 24px;
  background: #fffcf3;
  border: 1px solid #dcc398;
}
.step-num {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(140deg, #f2ddb1, #c99951);
  color: #673e2c;
  font: 700 18px var(--font-display);
  margin-bottom: 0.75rem;
}
.step h3 {
  font-size: 19px;
}
.step p {
  margin: 0;
  color: #6a5045;
  font-size: 15px;
}
.portrait-placeholder {
  aspect-ratio: 4 / 5;
  background: url(/assets/brand/video-cover-light-gate.webp) center / cover;
}
.instructor-name {
  font-size: 1.6rem;
  margin-bottom: 0.2rem;
}
.instructor-role {
  color: var(--c-accent-deep);
  letter-spacing: 0.1em;
}
.credential-list {
  list-style: none;
  padding: 0;
  margin: 1.25rem 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.credential-list li {
  padding: 0.35rem 0.9rem;
  border: 1px solid #dcc398;
  background: #fffcf3;
  font-size: 0.9rem;
}
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}
.testimonial {
  margin: 0;
  padding: 28px;
  background: #fffcf3;
  border: 1px solid #dcc398;
}
.testimonial blockquote {
  margin: 0 0 1rem;
  line-height: 1.9;
}
.testimonial figcaption {
  display: flex;
  flex-direction: column;
  font-size: 0.9rem;
}
.testimonial figcaption span {
  color: var(--c-muted);
}
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.faq-item {
  background: #fffcf3;
  border: 1px solid #dcc398;
}
.faq-item[open] {
  border-color: #c39a57;
  box-shadow: var(--shadow-sm);
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.05rem 1.3rem;
  font-weight: 600;
  font-size: 1.02rem;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-toggle {
  position: relative;
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid #c9a46b;
}
.faq-toggle::before,
.faq-toggle::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 10px;
  height: 1.5px;
  background: #a07337;
  transform: translate(-50%, -50%);
  transition: transform 0.3s var(--ease);
}
.faq-toggle::after {
  transform: translate(-50%, -50%) rotate(90deg);
}
.faq-item[open] .faq-toggle::after {
  transform: translate(-50%, -50%) rotate(0);
}
.faq-answer {
  padding: 0 1.3rem 1.2rem;
  color: var(--c-muted);
}
.cta-band {
  background: linear-gradient(115deg, #fffaf0, #f3e4c9 55%, #f9f0dc);
  border-top: 1px solid #e3c991;
}

/* ── Inner page hero ── */
.page-hero,
.course-hero,
.account-hero {
  position: relative;
  color: var(--c-ink);
  background:
    linear-gradient(90deg, rgba(255, 248, 233, 0.96), rgba(255, 247, 230, 0.82) 48%, rgba(255, 250, 242, 0.25)),
    url(/assets/brand/hero-three-pyramids.webp) 60% 45% / cover no-repeat;
  border-bottom: 1px solid #dfbf84;
  padding: clamp(48px, 7vw, 88px) 0 clamp(48px, 6vw, 80px);
  overflow: hidden;
}
.page-hero-sm {
  padding: clamp(36px, 5vw, 60px) 0;
}
.page-hero-inner h1 {
  font-size: clamp(30px, 4.4vw, 52px);
  letter-spacing: 0.06em;
  margin-bottom: 0.75rem;
  color: #512b29;
}
.page-hero-inner p {
  color: #5d3d33;
  max-width: 640px;
  margin: 0;
}
.muted-light {
  color: #7b6556;
}

/* ── Course grid & cards ── */
.course-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr));
  gap: clamp(1rem, 2.5vw, 1.6rem);
}
.course-card {
  display: flex;
  flex-direction: column;
  background: #fffcf3;
  border: 1px solid #d9b67a;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition:
    transform 0.4s var(--ease),
    box-shadow 0.4s var(--ease);
}
.course-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}
.course-card-media {
  position: relative;
  display: block;
  text-decoration: none;
}
.course-card-flag {
  position: absolute;
  left: 12px;
  top: 12px;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.7rem;
  font: 700 12px var(--font-ui);
  letter-spacing: 0.06em;
  background: rgba(88, 51, 45, 0.86);
  color: #f6e6b8;
}
.course-card-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 1.3rem 1.4rem 1.4rem;
}
.course-card-tags {
  display: flex;
  gap: 0.35rem;
  margin-bottom: 0.65rem;
  min-height: 1.5rem;
}
.course-card-title {
  font-size: 1.3rem;
  line-height: 1.5;
  margin-bottom: 0.4rem;
}
.course-card-title a {
  color: #512b29;
  text-decoration: none;
}
.course-card-title a:hover {
  color: var(--c-accent-deep);
}
.course-card-sub {
  color: #6f574b;
  font-size: 0.94rem;
  line-height: 1.75;
  margin-bottom: 0.9rem;
}
.course-card-meta {
  list-style: none;
  padding: 0;
  margin: 0 0 1.1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  font: 13px var(--font-ui);
  color: #7b6556;
}
.course-card-meta li {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}
.course-card-foot {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding-top: 1rem;
  border-top: 1px solid #e6d4b0;
}
.course-card-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font: 700 14px var(--font-ui);
  color: var(--c-cocoa);
  text-decoration: none;
  letter-spacing: 0.06em;
}
.cover {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #f3e3c2;
}
.cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease);
}
.course-card:hover .cover img {
  transform: scale(1.04);
}
.cover-generated {
  background:
    radial-gradient(70% 90% at 50% 115%, color-mix(in oklab, var(--g3) 75%, transparent), transparent 60%),
    linear-gradient(160deg, var(--g1) 0%, var(--g2) 100%);
  display: grid;
  place-items: center;
  text-align: center;
  color: #fff8ea;
}
.cover-orb {
  position: absolute;
  left: 50%;
  bottom: -30%;
  width: 62%;
  aspect-ratio: 1;
  transform: translateX(-50%);
  border-radius: 50%;
  background: radial-gradient(circle, #fff6dd 0%, var(--g3) 30%, transparent 68%);
  opacity: 0.9;
}
.cover-rays {
  position: absolute;
  inset: 0;
  background: repeating-conic-gradient(from 0deg at 50% 115%, rgba(255, 246, 221, 0.09) 0deg 4deg, transparent 4deg 14deg);
}
.cover-title {
  position: relative;
  max-width: 80%;
  font-size: clamp(1.1rem, 2.2vw, 1.4rem);
  letter-spacing: 0.14em;
  line-height: 1.6;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.35);
  margin-top: -12%;
  text-decoration: none;
}
.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}
.filter-chip {
  padding: 0.45rem 1.1rem;
  border: 1px solid #d6b77b;
  color: var(--c-ink);
  text-decoration: none;
  font: 14px var(--font-ui);
  background: #fffcf3;
}
.filter-chip.is-active {
  background: var(--c-cocoa);
  color: #fff9eb;
  border-color: var(--c-cocoa);
}
.preview-callout {
  margin-top: 2.5rem;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem 1.5rem;
  align-items: center;
  padding: clamp(1.4rem, 4vw, 2rem);
  background: linear-gradient(100deg, #fff8e9, #fffdf6 58%, #f8e8c7);
  border: 1px solid #cfae75;
}
.preview-callout-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--c-cocoa);
  color: #f6e6b8;
}
.preview-callout h2 {
  font-size: 1.3rem;
  margin-bottom: 0.2rem;
}
.preview-callout p {
  margin: 0;
  color: #6f574b;
}
.preview-links {
  grid-column: 1 / -1;
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}
.preview-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  border: 1px solid #d6b77b;
  background: #fffcf3;
  text-decoration: none;
  color: var(--c-cocoa);
}

/* ── Course detail ── */
.course-hero {
  padding-bottom: clamp(110px, 12vw, 160px);
}
.course-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 3rem;
}
.breadcrumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.4rem;
  font: 13px var(--font-ui);
  color: #8a6a55;
  margin-bottom: 1.4rem;
}
.breadcrumbs a {
  color: inherit;
  text-decoration: none;
}
.breadcrumbs a:hover {
  color: var(--c-accent-deep);
}
.course-hero-tags {
  display: flex;
  gap: 0.4rem;
  margin-bottom: 1rem;
}
.course-hero-title {
  font-size: clamp(30px, 4.4vw, 52px);
  letter-spacing: 0.06em;
  line-height: 1.35;
  margin-bottom: 0.75rem;
  color: #512b29;
}
.course-hero-sub {
  font-size: clamp(17px, 1.8vw, 21px);
  color: var(--c-accent-deep);
  letter-spacing: 0.06em;
  margin-bottom: 1rem;
}
.course-hero-summary {
  color: #5d3d33;
  max-width: 640px;
  line-height: 1.95;
}
.course-hero-meta {
  list-style: none;
  padding: 0;
  margin: 1.4rem 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.4rem;
  font: 14px var(--font-ui);
  color: #5d3d33;
}
.course-hero-meta li {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}
.course-hero-meta .icon {
  color: var(--c-accent-deep);
}
.course-hero-instructor {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.45rem 1.1rem 0.45rem 0.45rem;
  background: rgba(255, 252, 243, 0.85);
  border: 1px solid #d6b77b;
}
.course-hero-instructor img {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  object-fit: cover;
}
.course-hero-instructor div {
  display: flex;
  flex-direction: column;
  line-height: 1.35;
}
.course-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 3rem;
  margin-top: clamp(-110px, -10vw, -80px);
  position: relative;
  padding-bottom: 5rem;
}
.course-main {
  padding-top: clamp(110px, 11vw, 150px);
}
.course-side {
  position: relative;
}
.purchase-card {
  position: sticky;
  top: calc(var(--header-h) + 20px);
  background: #fffdf6;
  border: 1px solid #d6b77b;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.purchase-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}
.purchase-price {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.purchase-progress p {
  margin: 0 0 0.4rem;
  font-size: 0.92rem;
}
.purchase-includes {
  list-style: none;
  padding: 1rem 0 0;
  margin: 0.25rem 0 0;
  border-top: 1px solid #e6d4b0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  font: 14px/1.6 var(--font-ui);
  color: #6f574b;
}
.purchase-includes li {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
}
.purchase-includes .icon {
  color: var(--c-accent-deep);
  margin-top: 2px;
}
.staff-note {
  margin: 0;
  font-size: 0.82rem;
  color: var(--c-warning);
  background: var(--c-warning-bg);
  padding: 0.5rem 0.75rem;
}
.purchase-bar {
  display: none;
}
.course-block {
  margin-bottom: clamp(2.5rem, 5vw, 3.5rem);
}
.block-title {
  font-size: clamp(22px, 2.6vw, 28px);
  letter-spacing: 0.08em;
  margin-bottom: 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: #512b29;
}
.block-title::before {
  content: "";
  width: 22px;
  height: 22px;
  background: url(/assets/brand/ornate-star.svg) center / contain no-repeat;
  flex-shrink: 0;
}
.block-title-sm {
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
}
.block-title-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  flex-wrap: wrap;
}
.outcomes {
  padding: clamp(1.4rem, 3vw, 2rem);
  background: #fffcf3;
  border: 1px solid #d9b67a;
  box-shadow: var(--shadow-sm);
}
.check-grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem 1.5rem;
}
.check-grid li {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
  line-height: 1.7;
}
.check-grid .icon {
  color: var(--c-accent-deep);
  margin-top: 4px;
}
.dot-list {
  padding-left: 1.2rem;
  margin: 0;
  line-height: 1.9;
  color: #6f574b;
}
.dot-list li::marker {
  color: var(--c-accent-deep);
}
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}
.instructor-card-body {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  padding: 1.5rem;
  background: #fffcf3;
  border: 1px solid #dcc398;
}
.instructor-avatar {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}
.disclaimer {
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
  font: 13px/1.7 var(--font-ui);
  color: #7b6556;
  padding: 1rem 1.25rem;
  background: rgba(88, 51, 45, 0.05);
}
.disclaimer .icon {
  margin-top: 3px;
}

/* Curriculum (course page & learn sidebar) */
.curriculum {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.chapter {
  background: #fffcf3;
  border: 1px solid #dcc398;
  overflow: hidden;
}
.chapter-head {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 0.9rem;
  padding: 0.95rem 1.2rem;
  background: linear-gradient(100deg, #fff8e9, #fffdf6 70%);
}
.chapter-head::-webkit-details-marker {
  display: none;
}
.chapter-index {
  font: italic 20px var(--font-display);
  color: #b48446;
  line-height: 1;
}
.chapter-title {
  font-weight: 600;
  font-size: 1.02rem;
  letter-spacing: 0.04em;
}
.chapter-meta {
  font: 12px var(--font-ui);
  color: #8a6a55;
  white-space: nowrap;
}
.chapter-caret {
  color: #a07337;
  transition: transform 0.3s var(--ease);
}
.chapter[open] .chapter-caret {
  transform: rotate(180deg);
}
.lesson-list {
  list-style: none;
  margin: 0;
  padding: 0.25rem 0;
}
.lesson-item > a,
.lesson-item > span {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.75rem;
  padding: 0.7rem 1.2rem;
  color: var(--c-ink);
  text-decoration: none;
  font-size: 0.95rem;
  border-top: 1px solid rgba(189, 154, 95, 0.22);
}
.lesson-item > a:hover {
  background: rgba(217, 183, 109, 0.12);
  color: var(--c-ink);
}
.lesson-icon {
  color: #a87b3d;
  display: grid;
  place-items: center;
  width: 22px;
}
.lesson-icon .is-done {
  color: var(--c-success);
}
.lesson-icon .is-current {
  color: var(--c-accent-deep);
}
.lesson-no {
  color: #b48446;
  font-variant-numeric: tabular-nums;
}
.lesson-side {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}
.lesson-duration {
  font: 12px var(--font-ui);
  color: #8a6a55;
  font-variant-numeric: tabular-nums;
}
.lesson-lock {
  color: #b9a07a;
}
.lesson-item.is-locked > span {
  color: #8a6a55;
}
.lesson-item.is-current > a {
  background: rgba(217, 183, 109, 0.2);
  box-shadow: inset 3px 0 0 var(--c-accent-deep);
  font-weight: 600;
}
.lesson-item.is-quiz .lesson-icon {
  color: var(--c-cocoa);
}
.final-quizzes {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-top: 0.25rem;
}
.final-quiz {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.9rem;
  align-items: center;
  padding: 1rem 1.2rem;
  background: linear-gradient(100deg, #fff8e9, #fffdf6 58%, #f8e8c7);
  border: 1px solid #cfae75;
}
.final-quiz > .icon {
  color: var(--c-accent-deep);
}
.final-quiz div {
  display: flex;
  flex-direction: column;
  line-height: 1.5;
}
.final-quiz span {
  font: 13px var(--font-ui);
  color: #8a6a55;
}

@media (max-width: 1080px) {
  .course-hero-grid,
  .course-body {
    grid-template-columns: minmax(0, 1fr);
  }
  .course-body {
    margin-top: 0;
  }
  .course-main {
    padding-top: 2.5rem;
  }
  .course-hero {
    padding-bottom: clamp(48px, 7vw, 80px);
  }
  .course-side {
    display: none;
  }
  .purchase-bar {
    display: flex;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 40;
    gap: 1rem;
    align-items: center;
    justify-content: space-between;
    padding: 0.7rem var(--gutter) calc(0.7rem + env(safe-area-inset-bottom));
    background: rgba(255, 250, 240, 0.96);
    backdrop-filter: blur(12px);
    border-top: 1px solid #dfbf84;
    box-shadow: 0 -10px 30px -20px rgba(94, 67, 37, 0.5);
  }
  .purchase-bar-action {
    flex: 1;
    max-width: 280px;
  }
  .purchase-bar-action .btn-lg {
    min-height: 48px;
    font-size: 15px;
  }
  .page-course .site-footer {
    padding-bottom: 90px;
  }
}

/* ── Learn (navy theater) ── */
.page-learn {
  background: var(--c-night);
}
.page-learn main {
  color: #e8ddc6;
}
.learn {
  display: grid;
  grid-template-columns: 360px minmax(0, 1fr);
  min-height: calc(100vh - 64px);
}
.learn-sidebar {
  background: var(--c-cream);
  color: var(--c-ink);
  border-right: 1px solid #dfbf84;
  max-height: calc(100vh - 64px);
  position: sticky;
  top: 64px;
  overflow-y: auto;
  padding: 1.25rem;
}
.learn-sidebar-head {
  margin-bottom: 1rem;
}
.learn-course-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font: 13px var(--font-ui);
  text-decoration: none;
  color: #8a6a55;
}
.learn-course-title {
  font-size: 1.15rem;
  margin: 0.5rem 0 0.75rem;
  line-height: 1.5;
}
.learn-progress {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.curriculum.is-compact .chapter-head {
  padding: 0.8rem 1rem;
  grid-template-columns: auto 1fr auto;
}
.curriculum.is-compact .chapter-meta {
  display: none;
}
.curriculum.is-compact .lesson-item > a,
.curriculum.is-compact .lesson-item > span {
  padding: 0.6rem 1rem;
  font-size: 0.9rem;
}
.learn-main {
  padding: clamp(1rem, 3vw, 2rem) clamp(1rem, 3vw, 2.5rem) 4rem;
  max-width: 1180px;
  width: 100%;
  background:
    radial-gradient(circle at 74% 10%, rgba(204, 171, 91, 0.1), transparent 40%),
    linear-gradient(135deg, var(--c-night), color-mix(in oklab, var(--c-night) 82%, #2d4a6f));
}
.learn-sidebar-toggle {
  display: none;
  color: #f5e9cc;
  margin-bottom: 0.75rem;
}
.player-shell {
  position: relative;
  padding: 8px;
  background: linear-gradient(135deg, #fff2c7, #d9b76d 30%, #f8e3a8 55%, #b78c43 80%, #fbe9b6);
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.45);
}
.player-shell.is-article {
  display: none;
}
.player-frame {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #000;
}
.player-frame video,
.player-frame iframe {
  width: 100%;
  height: 100%;
  border: 0;
  background: #000;
}
.player-next {
  position: absolute;
  right: 18px;
  bottom: 70px;
  max-width: 320px;
  padding: 1rem 1.2rem;
  background: rgba(11, 27, 54, 0.92);
  border: 1px solid rgba(217, 183, 109, 0.5);
  color: #f5e9cc;
  animation: fade-up 0.4s var(--ease);
}
.player-next p {
  margin: 0;
}
.player-next strong {
  display: block;
  margin: 0.2rem 0 0.75rem;
}
@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
}
.player-locked,
.player-empty {
  position: relative;
  aspect-ratio: 16 / 9;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 2rem;
  background:
    linear-gradient(rgba(11, 27, 54, 0.72), rgba(11, 27, 54, 0.82)),
    url(/assets/brand/video-cover-light-gate.webp) center / cover;
  color: #f5e9cc;
  overflow: hidden;
}
.player-locked-inner {
  position: relative;
  max-width: 520px;
}
.player-locked h2 {
  font-size: clamp(1.25rem, 3vw, 1.7rem);
  letter-spacing: 0.06em;
  margin-top: 1rem;
  color: #f8ecd0;
}
.player-locked p {
  color: #d5dce6;
}
.lock-orb {
  display: inline-grid;
  place-items: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #fff6dc, var(--c-accent));
  color: #4e2c2b;
  box-shadow: 0 0 0 10px rgba(217, 183, 109, 0.2);
}
.locked-price {
  margin: 0.5rem 0 1.25rem;
}
.locked-price .price-now {
  color: #fff;
}
.locked-price .price-list {
  color: #c9c1b2;
}
.player-empty p {
  margin: 0.75rem 0 0;
  color: #d5dce6;
}
.lesson-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin: 1.5rem 0 1rem;
}
.lesson-chapter {
  margin: 0 0 0.25rem;
  font: 700 12px var(--font-ui);
  color: #e9cd89;
  letter-spacing: 0.14em;
}
.lesson-title-lg {
  font-size: clamp(1.4rem, 3vw, 2rem);
  letter-spacing: 0.04em;
  color: #f8ecd0;
  margin-bottom: 0.6rem;
}
.lesson-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.page-learn .badge-gray {
  background: rgba(255, 255, 255, 0.08);
  color: #d5dce6;
}
.page-learn .badge-gold {
  background: rgba(217, 183, 109, 0.22);
  color: #f2d891;
}
.lesson-nav {
  display: flex;
  gap: 0.5rem;
}
.page-learn .btn-outline {
  --btn-fg: #f5e9cc;
  --btn-border: rgba(245, 233, 204, 0.4);
}
.page-learn .btn-primary {
  --btn-fg: #3a2216;
  background: linear-gradient(135deg, #f6e6b8 0%, var(--c-accent) 50%, color-mix(in oklab, var(--c-accent) 70%, var(--c-accent-deep)) 100%);
}
.lesson-summary {
  color: #d1d9e3;
  font-size: 1.02rem;
}
.lesson-content {
  color: #dfe5ec;
  max-width: 820px;
}
.lesson-content strong,
.lesson-content h2,
.lesson-content h3 {
  color: #f8ecd0;
}
.lesson-content blockquote {
  color: #c7cfda;
  border-left-color: var(--c-accent);
}
.lesson-attachments {
  margin-top: 2rem;
  padding: 1.25rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(217, 183, 109, 0.3);
  max-width: 820px;
}
.lesson-attachments h2 {
  color: #f8ecd0;
}
.lesson-attachments ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.lesson-attachments a {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.6rem 0.75rem;
  color: #f2ead9;
  text-decoration: none;
}
.lesson-attachments a:hover {
  background: rgba(255, 255, 255, 0.06);
}
.lesson-attachments .muted {
  color: #a8b1bd;
  margin-left: auto;
}
.lesson-quiz-callout {
  margin-top: 1.5rem;
  max-width: 820px;
}
.quiz-callout {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: linear-gradient(120deg, rgba(217, 183, 109, 0.18), rgba(217, 183, 109, 0.06));
  border: 1px solid rgba(217, 183, 109, 0.45);
  color: #f5e9cc;
  text-decoration: none;
}
.quiz-callout div {
  display: flex;
  flex-direction: column;
  flex: 1;
}
.quiz-callout .muted {
  color: #c9d2dd;
}
.quiz-callout:hover {
  color: #fff;
}
@media (max-width: 960px) {
  .learn {
    grid-template-columns: minmax(0, 1fr);
  }
  .learn-sidebar {
    position: fixed;
    inset: 64px auto 0 0;
    width: min(88vw, 380px);
    max-height: none;
    z-index: 45;
    transform: translateX(-102%);
    transition: transform 0.3s var(--ease);
    box-shadow: var(--shadow-lg);
  }
  .learn-sidebar.is-open {
    transform: none;
  }
  .learn-sidebar-toggle {
    display: inline-flex;
  }
}

/* ── Quiz ── */
.quiz-page {
  padding-top: 2rem;
  padding-bottom: 5rem;
}
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: #8a6a55;
  text-decoration: none;
  font: 14px var(--font-ui);
  margin-bottom: 1.5rem;
}
.quiz-hero {
  text-align: center;
  margin-bottom: 2rem;
}
.quiz-hero-icon {
  display: inline-grid;
  place-items: center;
  width: 68px;
  height: 68px;
  border-radius: 50%;
  border: 1px solid #cfa65f;
  background: radial-gradient(circle, #fffaf0, #f5e6c6);
  color: #a06b24;
  margin-bottom: 1rem;
  box-shadow: 0 0 0 8px rgba(240, 216, 165, 0.35);
}
.quiz-hero h1 {
  font-size: clamp(1.6rem, 4vw, 2.3rem);
  letter-spacing: 0.06em;
}
.quiz-rules {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.6rem;
}
.quiz-rules li {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1rem;
  background: #fffcf3;
  border: 1px solid #dcc398;
}
.quiz-rules span {
  font: 12px var(--font-ui);
  color: #8a6a55;
}
.quiz-rules strong {
  font-size: 1.2rem;
}
.quiz-start {
  text-align: center;
  margin: 2rem 0;
}
.quiz-bar {
  position: sticky;
  top: 64px;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.8rem 1.1rem;
  margin-bottom: 1.5rem;
  background: rgba(255, 252, 243, 0.95);
  backdrop-filter: blur(12px);
  border: 1px solid #dcc398;
  box-shadow: var(--shadow-sm);
}
.quiz-bar p {
  margin: 0;
}
.quiz-timer {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  padding: 0.35rem 0.8rem;
  background: #f8ecd2;
  color: #7a4f17;
}
.quiz-timer.is-urgent {
  background: var(--c-danger-bg);
  color: var(--c-danger);
  animation: pulse 1s ease-in-out infinite;
}
@keyframes pulse {
  50% {
    opacity: 0.6;
  }
}
.question {
  border: 1px solid #dcc398;
  background: #fffdf6;
  padding: 1.4rem 1.5rem;
  margin: 0 0 1rem;
  box-shadow: var(--shadow-sm);
}
.question legend {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0;
  float: left;
  width: 100%;
  margin-bottom: 0.75rem;
}
.question legend + * {
  clear: both;
}
.question-no {
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--c-cocoa);
  color: #f6e6b8;
  font: 700 14px var(--font-ui);
}
.question-type {
  font: 12px var(--font-ui);
  color: #8a6a55;
}
.question-stem {
  font-size: 1.05rem;
  margin-bottom: 1rem;
}
.options {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.option {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.8rem 1rem;
  border: 1px solid #d9c7a3;
  background: #fff;
  cursor: pointer;
  transition:
    border-color 0.2s,
    background-color 0.2s;
}
.option:hover {
  border-color: var(--c-accent-deep);
}
.option input {
  position: absolute;
  opacity: 0;
}
.option-mark {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 1.5px solid #c9b490;
}
.option input[type="checkbox"] + .option-mark {
  border-radius: 3px;
}
.option input:checked + .option-mark {
  border-color: var(--c-cocoa);
  background: var(--c-cocoa);
  box-shadow: inset 0 0 0 4px #fff;
}
.option input[type="checkbox"]:checked + .option-mark {
  box-shadow: inset 0 0 0 3px #fff;
}
.option:has(input:checked) {
  border-color: var(--c-accent-deep);
  background: #fff7e6;
}
.option input:focus-visible + .option-mark {
  outline: 2px solid var(--c-accent);
  outline-offset: 2px;
}
.quiz-submit {
  text-align: center;
  margin-top: 2rem;
}
.quiz-result {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  background: #fffdf6;
  border: 1px solid #d6b77b;
  box-shadow: var(--shadow);
  margin-bottom: 2rem;
}
.quiz-result.is-pass {
  background: linear-gradient(100deg, #fff8e9, #fffdf6 58%, #f8e8c7);
}
.quiz-result h1 {
  font-size: clamp(1.5rem, 3.4vw, 2rem);
  margin-bottom: 0.5rem;
}
.score-ring {
  --pct: 0;
  flex-shrink: 0;
  width: 132px;
  height: 132px;
  border-radius: 50%;
  display: grid;
  place-content: center;
  text-align: center;
  background:
    radial-gradient(closest-side, #fffdf6 78%, transparent 79%),
    conic-gradient(var(--c-accent-deep) calc(var(--pct) * 1%), rgba(88, 51, 45, 0.1) 0);
}
.is-fail .score-ring {
  background:
    radial-gradient(closest-side, #fffdf6 78%, transparent 79%),
    conic-gradient(var(--c-cocoa) calc(var(--pct) * 1%), rgba(88, 51, 45, 0.1) 0);
}
.score-value {
  font: 700 2.6rem/1 var(--font-display);
}
.score-unit {
  font: 13px var(--font-ui);
  color: #8a6a55;
}
.answer-review {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.review {
  padding: 1.25rem 1.4rem;
  background: #fffdf6;
  border: 1px solid #dcc398;
  border-left: 4px solid var(--c-success);
}
.review.is-wrong {
  border-left-color: var(--c-danger);
}
.review header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.75rem;
}
.review-options {
  list-style: none;
  padding: 0;
  margin: 0.75rem 0 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.review-options li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.7rem;
  color: #8a6a55;
}
.review-options li.is-right {
  color: var(--c-success);
  background: var(--c-success-bg);
}
.review-options li.is-chosen:not(.is-right) {
  color: var(--c-danger);
  background: var(--c-danger-bg);
}
.review-explain {
  margin-top: 0.85rem;
  padding: 0.85rem 1rem;
  background: #f8ecd2;
  font-size: 0.94rem;
}
@media (max-width: 720px) {
  .quiz-rules {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .quiz-result {
    flex-direction: column;
    text-align: center;
  }
  .quiz-result .row-wrap {
    justify-content: center;
  }
  .quiz-count {
    display: none;
  }
}

/* ── Account ── */
.account-hero-inner {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}
.account-hero-inner h1 {
  font-size: clamp(1.5rem, 3.2vw, 2rem);
  margin: 0;
  letter-spacing: 0.06em;
}
.account-hero-inner p {
  margin: 0;
}
.account-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 2rem;
  padding-top: 2rem;
  padding-bottom: 5rem;
}
.account-tabs {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  position: sticky;
  top: calc(var(--header-h) + 20px);
  align-self: start;
}
.account-tabs a {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.75rem 1rem;
  color: var(--c-ink);
  text-decoration: none;
  font: 15px var(--font-ui);
  border-left: 2px solid transparent;
}
.account-tabs a:hover {
  background: rgba(217, 183, 109, 0.12);
  color: var(--c-ink);
}
.account-tabs a.is-active {
  background: #fffcf3;
  border-left-color: var(--c-accent-deep);
  color: var(--c-accent-deep);
  font-weight: 700;
}
.account-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}
.account-head h2 {
  font-size: 1.6rem;
  margin: 0;
}
.my-course-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.my-course {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr) auto;
  gap: 1.25rem;
  align-items: center;
  padding: 1rem;
  background: #fffcf3;
  border: 1px solid #dcc398;
  box-shadow: var(--shadow-sm);
}
.my-course-cover .cover-title {
  font-size: 0.95rem;
}
.my-course-body h3 {
  font-size: 1.15rem;
  margin-bottom: 0.25rem;
}
.my-course-body h3 a {
  color: var(--c-ink);
  text-decoration: none;
}
.my-course-body p {
  margin: 0 0 0.5rem;
}
.order-grid {
  display: grid;
  gap: 1.25rem;
}
.order-grid .panel + .panel {
  margin-top: 0;
}
.refund-row {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--c-line);
}
.refund-row p {
  margin: 0.25rem 0 0;
}
.refund-request summary {
  list-style: none;
  display: inline-flex;
  margin-top: 0.75rem;
}
.refund-request summary::-webkit-details-marker {
  display: none;
}
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}
.cert-card {
  padding: 1.5rem;
  background: linear-gradient(100deg, #fff8e9, #fffdf6 58%, #f8e8c7);
  border: 1px solid #cfae75;
}
.cert-card-seal {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  border: 1px solid #cfa65f;
  background: radial-gradient(circle, #fffaf0, #f5e6c6);
  color: #a06b24;
  margin-bottom: 1rem;
}
.cert-card h3 {
  font-size: 1.1rem;
}
.settings-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
  align-items: start;
}
.settings-grid .panel + .panel {
  margin-top: 0;
}
.panel {
  border-color: #dcc398;
  border-radius: 6px;
}
@media (max-width: 900px) {
  .account-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 1rem;
  }
  .account-tabs {
    position: static;
    flex-direction: row;
    overflow-x: auto;
    padding-bottom: 0.25rem;
  }
  .account-tabs a {
    white-space: nowrap;
    padding: 0.6rem 0.9rem;
    border-left: 0;
    border-bottom: 2px solid transparent;
  }
  .account-tabs a.is-active {
    border-bottom-color: var(--c-accent-deep);
  }
  .settings-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .my-course {
    grid-template-columns: 120px minmax(0, 1fr);
  }
  .my-course-action {
    grid-column: 1 / -1;
  }
  .my-course-action .btn {
    width: 100%;
  }
}

/* ── Checkout ── */
.checkout {
  padding-top: 2rem;
  padding-bottom: 5rem;
}
.checkout-title {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  letter-spacing: 0.1em;
  margin-bottom: 1.5rem;
}
.checkout-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 2rem;
  align-items: start;
}
.checkout-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.checkout-form .panel + .panel {
  margin-top: 0;
}
.step-no {
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--c-cocoa);
  color: #f6e6b8;
  font: 700 14px var(--font-ui);
}
.checkout-form .panel > .field + .field,
.checkout-form .panel > .grid-2 + .field {
  margin-top: 1rem;
}
.choice-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.choice-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 0.5rem;
}
.choice {
  position: relative;
  cursor: pointer;
}
.choice input {
  position: absolute;
  opacity: 0;
}
.choice-body {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.95rem 1.1rem;
  border: 1.5px solid #d9c7a3;
  background: #fff;
  transition: all 0.2s;
  height: 100%;
}
.choice-body strong {
  display: block;
}
.choice-body small {
  display: block;
  color: #8a6a55;
  font: 13px var(--font-ui);
}
.choice-body .icon {
  color: var(--c-accent-deep);
}
.choice-sm .choice-body {
  padding: 0.65rem 0.85rem;
  font-size: 0.9rem;
  justify-content: center;
  text-align: center;
}
.choice input:checked + .choice-body {
  border-color: var(--c-accent-deep);
  background: #fff7e6;
  box-shadow: 0 0 0 3px rgba(217, 183, 109, 0.25);
}
.choice input:focus-visible + .choice-body {
  outline: 2px solid var(--c-accent);
  outline-offset: 2px;
}
.invoice-fields {
  margin-top: 1rem;
}
.order-summary {
  position: sticky;
  top: 80px;
}
.summary-cover {
  margin-bottom: 1rem;
}
.summary-title {
  font-size: 1.2rem;
  margin-bottom: 0.25rem;
}
.summary-lines {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.5rem;
  margin: 1.25rem 0;
  padding: 1rem 0;
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
}
.summary-lines dt {
  color: #8a6a55;
}
.summary-lines dd {
  margin: 0;
  text-align: right;
}
.summary-total {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--c-ink) !important;
}
.summary-notes {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font: 13px/1.6 var(--font-ui);
  color: #7b6556;
}
.summary-notes li {
  display: flex;
  gap: 0.45rem;
}
.summary-notes .icon {
  color: var(--c-success);
  margin-top: 2px;
}
@media (max-width: 960px) {
  .checkout-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .order-summary {
    position: static;
    order: -1;
  }
}

/* ── Payment redirect & result ── */
.redirect-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem;
  background:
    linear-gradient(rgba(255, 248, 233, 0.9), rgba(255, 248, 233, 0.9)),
    url(/assets/brand/hero-three-pyramids.webp) center / cover;
}
.redirect-card {
  text-align: center;
  background: #fffdf6;
  border: 1px solid #d6b77b;
  padding: 2.5rem 2rem;
  max-width: 440px;
  box-shadow: var(--shadow-lg);
}
.redirect-card h1 {
  font-size: 1.3rem;
  margin-top: 1.25rem;
}
.result-page {
  padding-top: 3rem;
  padding-bottom: 5rem;
}
.result-card {
  text-align: center;
  padding: clamp(2rem, 5vw, 3.5rem) clamp(1.25rem, 4vw, 3rem);
  background: #fffdf6;
  border: 1px solid #d6b77b;
  box-shadow: var(--shadow-lg);
}
.result-icon {
  display: inline-grid;
  place-items: center;
  width: 84px;
  height: 84px;
  border-radius: 50%;
  margin-bottom: 1.25rem;
}
.is-success .result-icon {
  color: var(--c-success);
  background: var(--c-success-bg);
  box-shadow: 0 0 0 12px color-mix(in oklab, var(--c-success) 8%, transparent);
}
.is-pending .result-icon {
  color: var(--c-warning);
  background: var(--c-warning-bg);
}
.is-fail .result-icon {
  color: var(--c-danger);
  background: var(--c-danger-bg);
}
.result-card h1,
.result-card h2 {
  font-size: clamp(1.5rem, 3.6vw, 2rem);
  letter-spacing: 0.06em;
}
.result-card .row-wrap {
  margin: 1.5rem 0;
}
.payment-info {
  max-width: 420px;
  margin: 1.5rem auto;
  padding: 1.25rem;
  background: #f8ecd2;
  text-align: left;
}

/* ── Auth ── */
.auth {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  min-height: calc(100vh - 64px);
}
.auth-aside {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  padding: clamp(2rem, 5vw, 4rem);
  background: url(/assets/brand/journey-cloud-path.webp) center / cover;
}
.auth-aside::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255, 248, 233, 0) 30%, rgba(255, 248, 233, 0.92) 85%);
}
.auth-aside-text {
  position: relative;
}
.auth-aside .hero-eyebrow {
  font: 700 12px var(--font-ui);
  letter-spacing: 0.24em;
  color: #9b651d;
  margin: 0 0 0.75rem;
}
.auth-quote {
  font-size: clamp(1.3rem, 2.6vw, 1.9rem);
  line-height: 1.7;
  letter-spacing: 0.1em;
  max-width: 440px;
  margin: 0;
  color: #512b29;
}
.auth-main {
  display: grid;
  place-items: center;
  padding: clamp(2rem, 5vw, 4rem) var(--gutter);
}
.auth-card {
  width: 100%;
  max-width: 440px;
}
.auth-title {
  font-size: clamp(1.7rem, 3.4vw, 2.2rem);
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
}
.auth-subtitle {
  color: #7b6556;
  margin-bottom: 2rem;
}
@media (max-width: 860px) {
  .auth {
    grid-template-columns: minmax(0, 1fr);
  }
  .auth-aside {
    display: none;
  }
}

/* ── Error ── */
.error-page {
  position: relative;
  min-height: 70vh;
  display: grid;
  place-items: center;
  padding: 4rem 0;
  text-align: center;
  background: linear-gradient(170deg, #fff0d1, #fffaf0 58%, #f1dcb7);
}
.error-orb {
  display: none;
}
.error-code {
  font: 500 clamp(5rem, 14vw, 9rem)/1 var(--font-display);
  margin: 0;
  color: #c9a46b;
}
.error-message {
  color: #6f574b;
  max-width: 480px;
  margin: 0 auto 2rem;
}
.error-actions {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* ── Footer ── */
.site-footer {
  color: #f5e7d1;
  background: var(--c-cocoa);
  padding: clamp(48px, 7vw, 80px) 0 1.75rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 2.5rem;
}
.site-footer .brand,
.site-footer .brand:hover {
  color: #fff5e3;
}
.site-footer .brand-sub {
  color: #e6ce94;
}
.footer-tagline {
  margin: 1rem 0 1.25rem;
  letter-spacing: 0.08em;
  color: rgba(245, 231, 209, 0.82);
}
.footer-title {
  font: 700 12px var(--font-ui);
  letter-spacing: 0.24em;
  color: #e9cd89;
  margin-bottom: 1rem;
}
.footer-links,
.footer-contact,
.footer-social {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-links li + li,
.footer-contact li + li {
  margin-top: 0.55rem;
}
.footer-links a,
.footer-contact a,
.footer-social a {
  color: rgba(245, 231, 209, 0.86);
  text-decoration: none;
  font-size: 0.95rem;
}
.footer-links a:hover,
.footer-contact a:hover,
.footer-social a:hover {
  color: #fff;
}
.footer-contact li {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.95rem;
}
.footer-contact .icon {
  color: #e9cd89;
}
.footer-social {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.footer-bottom {
  margin-top: 2.5rem;
  padding-top: 1.4rem;
  border-top: 1px solid rgba(245, 231, 209, 0.16);
  font: 13px var(--font-ui);
  color: rgba(245, 231, 209, 0.72);
}
.footer-bottom p {
  margin: 0 0 0.35rem;
}
@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
}
@media (max-width: 520px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

/* ── Certificate ── */
.page-certificate {
  background: #efe5d3;
}
.certificate-page {
  padding: 1.5rem var(--gutter) 3rem;
}
.certificate-toolbar {
  max-width: 1080px;
  margin: 0 auto 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.toolbar-actions {
  display: flex;
  gap: 0.5rem;
}
.certificate-revoked {
  max-width: 1080px;
  margin: 0 auto 1rem;
  padding: 0.75rem 1rem;
  background: var(--c-danger-bg);
  color: var(--c-danger);
  text-align: center;
}
.certificate {
  max-width: 1080px;
  margin: 0 auto;
  aspect-ratio: 297 / 210;
  background:
    radial-gradient(80% 90% at 50% 120%, rgba(217, 183, 109, 0.16), transparent 60%),
    linear-gradient(180deg, #fffdf8, #fbf3e3);
  box-shadow: 0 40px 80px -40px rgba(88, 51, 45, 0.5);
  padding: clamp(14px, 2.4vw, 28px);
  color: var(--c-ink);
  container-type: inline-size;
}
.certificate.is-revoked {
  filter: grayscale(1);
  opacity: 0.6;
}
.certificate-frame {
  position: relative;
  height: 100%;
  border: 1.5px solid #c9a46b;
  outline: 1px solid rgba(201, 164, 107, 0.55);
  outline-offset: -10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 4cqi 6cqi;
}
.corner {
  position: absolute;
  width: 7cqi;
  height: 7cqi;
  border-color: #c9a46b;
  border-style: solid;
}
.corner.tl {
  top: 1.6cqi;
  left: 1.6cqi;
  border-width: 2px 0 0 2px;
}
.corner.tr {
  top: 1.6cqi;
  right: 1.6cqi;
  border-width: 2px 2px 0 0;
}
.corner.bl {
  bottom: 1.6cqi;
  left: 1.6cqi;
  border-width: 0 0 2px 2px;
}
.corner.br {
  bottom: 1.6cqi;
  right: 1.6cqi;
  border-width: 0 2px 2px 0;
}
.certificate-seal {
  color: #b48446;
  margin-bottom: 1cqi;
}
.certificate-seal svg,
.certificate-seal img {
  width: 9cqi;
  height: 9cqi;
  object-fit: contain;
}
.certificate-eyebrow {
  font: 700 1.3cqi var(--font-ui);
  letter-spacing: 0.4em;
  color: #9b651d;
  margin: 0;
}
.certificate-title {
  font-size: 5.2cqi;
  letter-spacing: 0.6em;
  margin: 1cqi 0 0;
  padding-left: 0.6em;
  color: #512b29;
}
.certificate-title-en {
  font: 1.8cqi var(--font-display);
  letter-spacing: 0.3em;
  color: #8a6a55;
  margin: 0 0 2.4cqi;
}
.certificate-lead {
  font-size: 1.6cqi;
  color: #8a6a55;
  letter-spacing: 0.3em;
  margin: 0.6cqi 0;
}
.certificate-name {
  font-size: 4.4cqi;
  font-weight: 700;
  letter-spacing: 0.2em;
  margin: 0.6cqi 0 1.2cqi;
  padding: 0 4cqi 0.6cqi;
  border-bottom: 1px solid #c9a46b;
}
.certificate-course {
  font-size: 2.6cqi;
  letter-spacing: 0.12em;
  margin: 0.6cqi 0;
  color: #a06b24;
}
.certificate-score {
  font-size: 1.5cqi;
  color: #8a6a55;
  margin: 0.4cqi 0 0;
}
.certificate-foot {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  align-items: end;
  gap: 3cqi;
  width: 100%;
  margin-top: 3.4cqi;
  font-size: 1.4cqi;
}
.certificate-foot .label {
  display: block;
  color: #8a6a55;
  letter-spacing: 0.2em;
  font-size: 1.2cqi;
}
.certificate-sign {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6cqi;
}
.sign-line {
  width: 70%;
  height: 1px;
  background: var(--c-ink);
  opacity: 0.4;
}
.certificate-verify {
  position: absolute;
  bottom: 2.4cqi;
  font-size: 1.05cqi;
  color: #a89070;
  margin: 0;
  letter-spacing: 0.05em;
}
@media print {
  @page {
    size: A4 landscape;
    margin: 0;
  }
  .no-print,
  .certificate-revoked {
    display: none !important;
  }
  body,
  .page-certificate {
    background: #fff;
  }
  .certificate-page {
    padding: 0;
  }
  .certificate {
    width: 297mm;
    max-width: none;
    height: 210mm;
    box-shadow: none;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
}

/* ── Sandbox cashier（中性金流外觀，與商店區隔） ── */
.page-sandbox {
  background: #eef1f6;
}
.sandbox {
  max-width: 560px;
  margin: 0 auto;
  padding: 2rem 1rem 3rem;
  font-family: var(--font-sans);
  color: #1d2433;
}
.sandbox-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}
.sandbox-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.sandbox-logo strong {
  font-size: 1.2rem;
  letter-spacing: 0.1em;
}
.sandbox-logo span {
  color: #5b6475;
  font-size: 0.9rem;
}
.sandbox-suns {
  display: grid;
  grid-template-columns: repeat(3, 8px);
  gap: 3px;
}
.sandbox-suns i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #f0a500;
}
.sandbox-badge {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  background: #fff1d6;
  color: #9a6200;
  border: 1px solid #f3cf87;
}
.sandbox-body {
  background: #fff;
  border-radius: 14px;
  box-shadow: 0 10px 30px -15px rgba(29, 36, 51, 0.35);
  overflow: hidden;
}
.sandbox-order {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  background: #f7f9fc;
  border-bottom: 1px solid #e3e8f0;
}
.sandbox-order p {
  margin: 0;
}
.sandbox-amount {
  grid-column: 1 / -1;
}
.sandbox-label {
  font-size: 0.78rem;
  color: #6b7486;
  letter-spacing: 0.05em;
}
.sandbox-mono {
  font-family: var(--font-mono);
}
.sandbox-total {
  font-size: 1.8rem;
  font-weight: 700;
  color: #0f62c9;
}
.sandbox-warn {
  margin: 0;
  padding: 0.75rem 1.5rem;
  background: #fff5e6;
  color: #9a6200;
  font-size: 0.88rem;
}
.sandbox-method {
  padding: 1.5rem;
}
.sandbox-method h2 {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: #1d2433;
}
.sandbox-card {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}
.sandbox-card label {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.82rem;
  color: #5b6475;
}
.sandbox-card input {
  padding: 0.65rem 0.8rem;
  border: 1px solid #d4dbe6;
  border-radius: 8px;
  background: #f7f9fc;
  font-family: var(--font-mono);
  color: #1d2433;
}
.sandbox-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}
.sandbox-hint {
  font-size: 0.84rem;
  color: #6b7486;
}
.sandbox-actions {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.sandbox-btn {
  width: 100%;
  padding: 0.85rem;
  border-radius: 10px;
  border: 1px solid #d4dbe6;
  background: #fff;
  font-weight: 700;
  font-size: 1rem;
  color: #1d2433;
}
.sandbox-btn.is-primary {
  background: #0f62c9;
  border-color: #0f62c9;
  color: #fff;
}
.sandbox-back {
  display: block;
  text-align: center;
  padding: 1rem;
  color: #5b6475;
  font-size: 0.9rem;
  border-top: 1px solid #e3e8f0;
}
.sandbox-foot {
  margin-top: 1rem;
  font-size: 0.8rem;
  color: #7a8396;
  text-align: center;
  line-height: 1.7;
}

/* ── Content page ── */
.content-article {
  background: #fffdf6;
  padding: clamp(1.5rem, 5vw, 3.5rem);
  border: 1px solid #dcc398;
  box-shadow: var(--shadow-sm);
}

/* ── Reveal on scroll ── */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity 0.9s var(--ease),
    transform 0.9s var(--ease);
  transition-delay: var(--delay, 0ms);
}
.js [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ── Responsive (home) ── */
@media (max-width: 1080px) {
  .film-grid,
  .registration-grid,
  .story-grid,
  .instructor-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .stage-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .pillar-grid.cols-3,
  .pillar-grid.cols-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 760px) {
  .hero {
    display: block;
    min-height: 0;
    background-image: none;
    background-color: var(--c-cream);
  }
  .hero::before {
    content: "";
    display: block;
    height: 300px;
    background-image: linear-gradient(rgba(255, 229, 174, 0.17), rgba(255, 229, 174, 0.17)), var(--hero-image, none);
    background-size: cover;
    background-position: 70% center;
  }
  .hero::after {
    display: none;
  }
  .hero-inner {
    padding-block: 0 2.5rem;
  }
  .hero-card {
    margin: -40px auto 0;
    text-align: center;
    max-width: none;
  }
  .hero-actions {
    justify-content: center;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .essence-grid,
  .lesson-groups,
  .form-grid-2,
  .session-dates {
    grid-template-columns: minmax(0, 1fr);
  }
  /* 手機標題：一行約 13 字（「適合什麼樣的人一同前行？」不再掉字） */
  .section-title {
    font-size: clamp(24px, 6.7vw, 30px);
  }
  .essence-card {
    padding: 22px 20px 20px;
  }
  .essence-card::before {
    top: 18px;
    right: 16px;
    width: 26px;
    height: 26px;
  }
  /* 「適合對象」三張圖卡：改為橫向滑動（露出下一張提示可滑動），不再三張直向堆疊 */
  .audience-grid {
    grid-template-columns: none;
    grid-auto-flow: column;
    grid-auto-columns: 78%;
    gap: 12px;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    margin-inline: calc(-1 * var(--gutter));
    padding: 8px var(--gutter) 14px;
    scroll-padding-inline: var(--gutter);
  }
  .audience-grid::-webkit-scrollbar {
    display: none;
  }
  .audience-card {
    scroll-snap-align: start;
  }
  .audience-card:hover {
    transform: none;
  }
  .audience-card img {
    height: 200px;
  }
  .audience-body {
    padding: 1rem 1.2rem 1.2rem;
  }
  .essence-grid.has-art {
    margin-top: -30px;
  }
  .stage-list {
    grid-template-columns: minmax(0, 1fr);
  }
  .path-label {
    display: none;
  }
  .lesson-contents-heading {
    grid-template-columns: 1fr;
  }
  .lesson-contents-heading .rule {
    display: none;
  }
  .path-equation {
    font-size: 14px;
    line-height: 1.6;
    padding-inline: 0.75rem;
  }
  .path-equation .equation-final {
    display: block;
    white-space: nowrap;
  }
  .lesson-intro {
    gap: 13px;
    padding: 15px 12px;
  }
  .lesson-intro-mark {
    width: 41px;
    height: 41px;
    font-size: 20px;
  }
  .lesson-intro h4 {
    font-size: 18px;
  }
  .lesson-intro p {
    font-size: 12px;
  }
  .lesson-intro-number {
    display: none;
  }
  .lesson-group summary {
    gap: 0 11px;
    padding: 15px 12px;
  }
  .lesson-group-no {
    min-width: 2em;
    padding-right: 11px;
    font-size: 22px;
  }
  .lesson-group-main strong {
    font-size: 18px;
  }
  .lesson-group-main small {
    font-size: 12px;
  }
  .lesson-group-range {
    font-size: 10px;
  }
  .lesson-group-panel {
    padding: 0 15px 7px;
  }
  .check-grid,
  .two-col {
    grid-template-columns: 1fr;
  }
  .instructor-card-body {
    flex-direction: column;
  }
  .reflection-invite-inner .btn {
    width: 100%;
  }
  .preview-callout {
    grid-template-columns: minmax(0, 1fr);
  }
}