:root {
  --color-chalk: #f7f5f1;
  --color-ivory: #f3efe6;
  --color-sand: #d4c4b0;
  --color-teal: #6fa8a0;
  --color-teal-deep: #4f8680;
  --color-navy: #1b2a4a;
  --color-navy-soft: #2a3d66;
  --color-coral: #e07a5f;
  --color-text: #243044;
  --color-muted: #5c6b7a;
  --font-serif: "Noto Serif TC", "Songti TC", serif;
  --font-sans: "Noto Sans TC", "PingFang TC", sans-serif;
  --radius: 14px;
  --shadow-bloom: 0 12px 28px rgba(27, 42, 74, 0.14);
  --header-h: 4.25rem;
  --max: 72rem;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--color-text);
  background:
    radial-gradient(ellipse at 10% 0%, rgba(111, 168, 160, 0.18), transparent 45%),
    radial-gradient(ellipse at 90% 10%, rgba(224, 122, 95, 0.12), transparent 40%),
    linear-gradient(180deg, var(--color-chalk) 0%, #f0ebe3 100%);
  min-height: 100vh;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-navy-soft);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--color-teal-deep);
}

h1,
h2,
h3,
.site-footer__heading {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.25;
  color: var(--color-navy);
}

h1 {
  font-size: clamp(2rem, 4vw, 3.25rem);
  letter-spacing: 0.02em;
}

h2 {
  font-size: clamp(1.55rem, 2.6vw, 2.2rem);
}

h3 {
  font-size: 1.2rem;
}

p {
  margin: 0 0 1rem;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.main {
  padding-top: var(--header-h);
}

.wrap {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.75rem 1.45rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), background 0.25s ease;
}

.btn--navy {
  background: var(--color-navy);
  color: #fff;
}

.btn--teal {
  background: var(--color-teal);
  color: #fff;
}

.btn--ghost {
  background: transparent;
  color: var(--color-navy);
  border-color: rgba(27, 42, 74, 0.35);
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-bloom);
  color: #fff;
}

.btn--ghost:hover {
  color: var(--color-navy);
  background: rgba(255, 255, 255, 0.55);
}

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-h);
  background: rgba(247, 245, 241, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(27, 42, 74, 0.08);
}

.site-header__inner {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-header__brand {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--color-navy);
  text-decoration: none;
  letter-spacing: 0.01em;
}

.site-header__brand span {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--color-muted);
  margin-left: 0.35rem;
}

.site-header__nav {
  display: flex;
  align-items: center;
  gap: 1.05rem;
}

.site-header__nav a {
  text-decoration: none;
  color: var(--color-navy);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.site-header__cta {
  padding: 0.45rem 0.95rem;
  border-radius: 999px;
  background: var(--color-navy);
  color: #fff !important;
}

.site-header__toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  border: 0;
  background: transparent;
  cursor: pointer;
  padding: 0;
}

.site-header__toggle span {
  display: block;
  height: 2px;
  margin: 5px 6px;
  background: var(--color-navy);
  border-radius: 2px;
}

/* Footer */
.site-footer {
  margin-top: 5rem;
  background: var(--color-navy);
  color: rgba(247, 245, 241, 0.88);
}

.site-footer__accent {
  height: 3px;
  background: var(--color-coral);
}

.site-footer a {
  color: rgba(247, 245, 241, 0.88);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--color-sand);
}

.site-footer__inner {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
  padding: 3.5rem 0 2rem;
}

.site-footer__heading {
  color: #fff;
  margin: 0 0 0.75rem;
}

.site-footer__cta {
  max-width: 36rem;
  margin-bottom: 2.75rem;
}

.site-footer__cols {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.75rem;
}

.site-footer__cols h3 {
  color: var(--color-sand);
  font-size: 0.95rem;
  margin: 0 0 0.85rem;
  font-family: var(--font-sans);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.site-footer__cols ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-footer__cols li {
  margin-bottom: 0.45rem;
}

.site-footer__address {
  font-size: 0.92rem;
  line-height: 1.55;
}

.site-footer__social {
  display: flex;
  gap: 0.75rem;
  margin-top: 0.75rem;
}

.site-footer__social a {
  opacity: 0.7;
  font-size: 0.85rem;
}

.site-footer__copy {
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.85rem;
  color: rgba(247, 245, 241, 0.55);
}

/* Cards */
.card {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.35), transparent),
    var(--color-ivory);
  border: 1px solid rgba(27, 42, 74, 0.22);
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.08;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}

.card__media {
  aspect-ratio: 3 / 2;
  object-fit: cover;
  width: 100%;
}

.card__body {
  padding: 1.25rem 1.35rem 1.5rem;
  position: relative;
}

.card__body h3 {
  margin: 0 0 0.5rem;
}

.card__body p {
  color: var(--color-muted);
  font-size: 0.98rem;
}

/* Hero variants */
.hero {
  padding: 3.5rem 0 2rem;
}

.hero--split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2.5rem;
  align-items: end;
}

.hero__eyebrow {
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-teal-deep);
  font-weight: 600;
  margin-bottom: 0.85rem;
}

.hero__lead {
  font-size: 1.12rem;
  color: var(--color-muted);
  max-width: 34rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.hero__visual {
  position: relative;
  min-height: 24rem;
}

.hero__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: calc(var(--radius) + 4px);
  box-shadow: 0 20px 50px rgba(27, 42, 74, 0.16);
}

.hero__visual-layer {
  position: absolute;
  width: 58%;
  bottom: -1.5rem;
  left: -1.25rem;
  border-radius: var(--radius);
  border: 3px solid var(--color-chalk);
  box-shadow: var(--shadow-bloom);
  overflow: hidden;
}

.hero__visual-layer img {
  border-radius: 0;
  box-shadow: none;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.hero--editorial {
  padding: 4rem 0 1rem;
}

.hero--editorial .hero__title-block {
  max-width: 40rem;
  margin-left: clamp(0rem, 8vw, 6rem);
}

.page-hero {
  padding: 3rem 0 1.5rem;
}

.page-hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
}

.page-hero img {
  border-radius: var(--radius);
  aspect-ratio: 16 / 10;
  object-fit: cover;
  width: 100%;
}

/* Sections */
.section {
  padding: 3.25rem 0;
}

.section__head {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
  align-items: end;
}

.section__head p {
  color: var(--color-muted);
  margin: 0;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.35rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.asymmetric {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 2rem;
  align-items: center;
}

.asymmetric--flip {
  grid-template-columns: 1.1fr 0.9fr;
}

.prose {
  max-width: 42rem;
}

.prose h2 {
  margin-top: 2rem;
}

.prose ul,
.prose ol {
  padding-left: 1.2rem;
}

.prose li {
  margin-bottom: 0.45rem;
}

.pull-quote {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: var(--color-navy);
  border-left: 3px solid var(--color-coral);
  padding-left: 1.25rem;
  margin: 2rem 0;
}

.tag {
  display: inline-block;
  font-size: 0.78rem;
  color: var(--color-teal-deep);
  letter-spacing: 0.04em;
  margin-bottom: 0.35rem;
}

.list-check {
  list-style: none;
  padding: 0;
  margin: 0;
}

.list-check li {
  position: relative;
  padding-left: 1.35rem;
  margin-bottom: 0.55rem;
}

.list-check li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--color-teal);
}

.price-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-ivory);
  border: 1px solid rgba(27, 42, 74, 0.2);
  border-radius: var(--radius);
  overflow: hidden;
}

.price-table th,
.price-table td {
  text-align: left;
  padding: 0.95rem 1.1rem;
  border-bottom: 1px solid rgba(27, 42, 74, 0.1);
}

.price-table th {
  background: rgba(111, 168, 160, 0.18);
  font-weight: 600;
  color: var(--color-navy);
}

.review-card {
  padding: 1.5rem;
}

.review-card__meta {
  margin-top: 1.25rem;
  font-size: 0.9rem;
  color: var(--color-muted);
}

.story {
  padding: 1.75rem;
}

.cohort {
  padding: 1.35rem 1.5rem;
  display: grid;
  gap: 0.35rem;
}

.cohort__dates {
  color: var(--color-teal-deep);
  font-weight: 600;
  font-size: 0.92rem;
}

.form {
  display: grid;
  gap: 1rem;
  max-width: 36rem;
}

.form__field {
  display: grid;
  gap: 0.35rem;
}

.form label {
  font-weight: 500;
  color: var(--color-navy);
}

.form input,
.form select,
.form textarea {
  font: inherit;
  padding: 0.7rem 0.85rem;
  border-radius: 10px;
  border: 1px solid rgba(27, 42, 74, 0.28);
  background: rgba(255, 255, 255, 0.75);
  color: var(--color-text);
}

.form textarea {
  min-height: 8rem;
  resize: vertical;
}

.form__error {
  color: #9b3b2e;
  font-size: 0.88rem;
  display: none;
}

.form__field.is-invalid .form__error {
  display: block;
}

.form__field.is-invalid input,
.form__field.is-invalid select,
.form__field.is-invalid textarea {
  border-color: #9b3b2e;
}

.form__status {
  padding: 0.85rem 1rem;
  border-radius: 10px;
  display: none;
}

.form__status.is-success {
  display: block;
  background: rgba(111, 168, 160, 0.2);
  color: var(--color-navy);
}

.form__status.is-error {
  display: block;
  background: rgba(224, 122, 95, 0.2);
  color: #7a3224;
}

.contact-panel {
  padding: 1.5rem;
}

.legal {
  padding-bottom: 3rem;
}

.legal h2 {
  margin-top: 2.25rem;
}

.cookie-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  margin: 1.25rem 0;
}

.cookie-table th,
.cookie-table td {
  border: 1px solid rgba(27, 42, 74, 0.18);
  padding: 0.7rem 0.8rem;
  text-align: left;
  vertical-align: top;
}

.cookie-table th {
  background: var(--color-ivory);
}

.cookie-banner {
  position: fixed;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  z-index: 200;
}

.cookie-banner__inner {
  width: min(100%, 40rem);
  margin-left: auto;
  background: var(--color-ivory);
  border: 1px solid rgba(27, 42, 74, 0.25);
  border-radius: var(--radius);
  padding: 1.15rem 1.25rem;
  box-shadow: var(--shadow-bloom);
}

.cookie-banner__actions {
  display: flex;
  gap: 0.6rem;
  margin-top: 0.85rem;
}

.cookie-banner[hidden] {
  display: none !important;
}

.error-page {
  min-height: 60vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 4rem 1rem;
}

.fade-up {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}

.fade-up.is-visible {
  opacity: 1;
  transform: none;
}

.stagger > *:nth-child(1) { transition-delay: 0.05s; }
.stagger > *:nth-child(2) { transition-delay: 0.15s; }
.stagger > *:nth-child(3) { transition-delay: 0.25s; }
.stagger > *:nth-child(4) { transition-delay: 0.35s; }
.stagger > *:nth-child(5) { transition-delay: 0.45s; }

.parallax-img {
  will-change: transform;
  transition: transform 0.2s linear;
}

.detail-meta {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin: 1.5rem 0;
}

.detail-meta div {
  padding: 1rem 1.1rem;
  background: var(--color-ivory);
  border: 1px solid rgba(27, 42, 74, 0.18);
  border-radius: 12px;
}

.detail-meta strong {
  display: block;
  color: var(--color-navy);
  margin-bottom: 0.25rem;
}

.process-steps {
  counter-reset: step;
  list-style: none;
  padding: 0;
}

.process-steps li {
  counter-increment: step;
  position: relative;
  padding: 1rem 1rem 1rem 3.2rem;
  margin-bottom: 0.65rem;
  background: var(--color-ivory);
  border-radius: 12px;
  border: 1px solid rgba(27, 42, 74, 0.14);
}

.process-steps li::before {
  content: counter(step);
  position: absolute;
  left: 0.9rem;
  top: 1rem;
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 50%;
  background: var(--color-navy);
  color: #fff;
  font-size: 0.85rem;
  display: grid;
  place-items: center;
}

@media (max-width: 960px) {
  .hero--split,
  .page-hero__grid,
  .section__head,
  .asymmetric,
  .asymmetric--flip,
  .grid-3,
  .grid-2,
  .site-footer__cols,
  .detail-meta {
    grid-template-columns: 1fr;
  }

  .site-header__toggle {
    display: block;
  }

  .site-header__nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: rgba(247, 245, 241, 0.97);
    padding: 0.75rem 1.25rem 1.25rem;
    border-bottom: 1px solid rgba(27, 42, 74, 0.1);
  }

  .site-header__nav.is-open {
    display: flex;
  }

  .site-header__nav a {
    width: 100%;
    padding: 0.7rem 0;
    border-bottom: 1px solid rgba(27, 42, 74, 0.06);
  }

  .hero__visual-layer {
    position: relative;
    width: 75%;
    left: 0;
    bottom: 0;
    margin-top: -2rem;
  }

  .hero--editorial .hero__title-block {
    margin-left: 0;
  }
}