:root {
  --color-chalk: #f7f5f0;
  --color-ivory: #f3efe6;
  --color-sand: #d4c4a8;
  --color-teal: #5ba8a0;
  --color-teal-deep: #3d8a82;
  --color-navy: #1b2a4a;
  --color-navy-soft: #2a3d66;
  --color-coral: #e07a5f;
  --color-text: #243047;
  --color-muted: #5c6b82;
  --color-white: #ffffff;
  --font-serif: "Noto Serif TC", "Songti TC", serif;
  --font-sans: "Noto Sans TC", "PingFang TC", sans-serif;
  --radius-card: 12px;
  --radius-pill: 999px;
  --shadow-lift: 0 10px 28px rgba(27, 42, 74, 0.14);
  --space: clamp(1rem, 2.5vw, 2rem);
  --max: 1120px;
  --header-h: 4.25rem;
}

*,
*::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(91, 168, 160, 0.12), transparent 45%),
    radial-gradient(ellipse at 90% 10%, rgba(224, 122, 95, 0.08), 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-teal-deep);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--color-navy);
}

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.25;
  color: var(--color-navy);
  margin: 0 0 0.6em;
}

p {
  margin: 0 0 1em;
}

ul, ol {
  margin: 0 0 1em;
  padding-left: 1.2em;
}

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

.wrap {
  width: min(100% - 2 * var(--space), var(--max));
  margin-inline: auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4em;
  border: none;
  border-radius: var(--radius-pill);
  padding: 0.7em 1.45em;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.35s ease, box-shadow 0.35s ease, background 0.25s ease;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lift);
}

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

.btn--navy:hover {
  color: var(--color-white);
  background: var(--color-navy-soft);
}

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

.btn--teal:hover {
  color: var(--color-white);
  background: var(--color-teal-deep);
}

.btn--outline {
  background: transparent;
  color: var(--color-navy);
  border: 1.5px solid var(--color-navy);
}

.btn--outline:hover {
  color: var(--color-navy);
  background: rgba(255, 255, 255, 0.5);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(247, 245, 240, 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% - 2 * var(--space), var(--max));
  margin-inline: auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-header__brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--color-navy);
  flex-shrink: 0;
}

.site-header__brand-mark {
  width: 2rem;
  height: 2rem;
  border-radius: 6px;
  background: linear-gradient(145deg, var(--color-navy), var(--color-teal));
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.15);
}

.site-header__brand-text {
  font-family: var(--font-serif);
  font-size: 0.72rem;
  line-height: 1.25;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.site-header__nav {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.site-header__nav a {
  font-size: 0.84rem;
  color: var(--color-navy);
  text-decoration: none;
  white-space: nowrap;
}

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

.site-header__cta {
  background: var(--color-navy);
  color: var(--color-white) !important;
  padding: 0.45em 0.95em;
  border-radius: var(--radius-pill);
}

.site-header__cta:hover {
  background: var(--color-navy-soft);
  color: var(--color-white) !important;
}

.site-header__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 0.4rem;
  cursor: pointer;
}

.site-header__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-navy);
}

@media (max-width: 980px) {
  .site-header__toggle {
    display: flex;
  }

  .site-header__nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.5rem var(--space) 1rem;
    background: rgba(247, 245, 240, 0.96);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(27, 42, 74, 0.1);
    display: none;
  }

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

  .site-header__nav a {
    padding: 0.7rem 0.2rem;
    border-bottom: 1px solid rgba(27, 42, 74, 0.06);
  }

  .site-header__cta {
    text-align: center;
    margin-top: 0.4rem;
  }
}

/* Footer */
.site-footer {
  margin-top: 4rem;
  background: var(--color-navy);
  color: rgba(247, 245, 240, 0.88);
}

.site-footer a {
  color: rgba(247, 245, 240, 0.88);
  text-decoration: none;
}

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

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

.site-footer__inner {
  width: min(100% - 2 * var(--space), var(--max));
  margin-inline: auto;
  padding: 3rem 0 2rem;
}

.site-footer__cta {
  max-width: 36rem;
  margin-bottom: 2.5rem;
}

.site-footer__cta-title {
  font-family: var(--font-serif);
  color: var(--color-chalk);
  font-size: clamp(1.5rem, 3vw, 2rem);
}

.site-footer__cols {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(247, 245, 240, 0.12);
}

.site-footer__cols h3 {
  color: var(--color-sand);
  font-size: 0.95rem;
  margin-bottom: 0.8rem;
}

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

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

.site-footer__address {
  font-size: 0.9rem;
  line-height: 1.5;
}

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

.site-footer__social a {
  opacity: 0.7;
}

.site-footer__social a:hover {
  opacity: 1;
}

.site-footer__copy {
  margin-top: 2rem;
  font-size: 0.82rem;
  opacity: 0.65;
}

@media (max-width: 800px) {
  .site-footer__cols {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 480px) {
  .site-footer__cols {
    grid-template-columns: 1fr;
  }
}

/* Cookie banner */
.cookie-banner {
  position: fixed;
  bottom: 1rem;
  left: 1rem;
  right: 1rem;
  z-index: 200;
  max-width: 520px;
}

.cookie-banner__inner {
  background: var(--color-ivory);
  border: 1.5px solid var(--color-navy);
  border-radius: var(--radius-card);
  padding: 1.1rem 1.25rem;
  box-shadow: var(--shadow-lift);
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
}

.cookie-banner__inner p {
  margin: 0 0 0.85rem;
  font-size: 0.9rem;
}

.cookie-banner__actions {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.cookie-banner__error {
  color: #a33;
  font-size: 0.85rem;
  margin-top: 0.5rem;
}

/* Cards */
.card {
  background: var(--color-ivory);
  border: 1.5px solid var(--color-navy);
  border-radius: var(--radius-card);
  overflow: hidden;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lift);
}

.card__img {
  aspect-ratio: 16 / 10;
  object-fit: cover;
  width: 100%;
}

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

.card__body h3 {
  font-size: 1.2rem;
  margin-bottom: 0.4rem;
}

.card__body h3 a {
  color: var(--color-navy);
  text-decoration: none;
}

.card__meta {
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-bottom: 0.5rem;
}

/* Motion */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.9s ease, transform 0.9s ease;
}

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

.reveal-delay-1 { transition-delay: 0.12s; }
.reveal-delay-2 { transition-delay: 0.24s; }
.reveal-delay-3 { transition-delay: 0.36s; }

.parallax-img {
  will-change: transform;
}

/* Page sections */
.page-hero {
  padding: clamp(2.5rem, 6vw, 4.5rem) 0 clamp(2rem, 4vw, 3rem);
}

.page-hero--split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}

.page-hero__eyebrow {
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-teal-deep);
  margin-bottom: 0.75rem;
  font-weight: 500;
}

.page-hero h1 {
  font-size: clamp(1.9rem, 4.5vw, 3rem);
  margin-bottom: 0.75rem;
}

.page-hero__lead {
  font-size: 1.1rem;
  color: var(--color-muted);
  max-width: 34rem;
}

.page-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.page-hero__visual {
  position: relative;
}

.page-hero__visual img {
  border-radius: var(--radius-card);
  border: 1.5px solid var(--color-navy);
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.page-hero__visual-layer {
  position: absolute;
  width: 55%;
  bottom: -8%;
  left: -8%;
  border-radius: var(--radius-card);
  border: 1.5px solid var(--color-navy);
  aspect-ratio: 5 / 4;
  object-fit: cover;
  box-shadow: var(--shadow-lift);
}

@media (max-width: 800px) {
  .page-hero--split {
    grid-template-columns: 1fr;
  }

  .page-hero__visual img {
    aspect-ratio: 16 / 11;
  }

  .page-hero__visual-layer {
    display: none;
  }
}

.section {
  padding: clamp(2.5rem, 5vw, 4rem) 0;
}

.section__head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
  align-items: end;
}

.section__head h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin: 0;
}

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

@media (max-width: 700px) {
  .section__head {
    grid-template-columns: 1fr;
  }
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

@media (max-width: 900px) {
  .grid-3 {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 600px) {
  .grid-3,
  .grid-2 {
    grid-template-columns: 1fr;
  }
}

.prose {
  max-width: 42rem;
}

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

.flagship-panel {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  align-items: center;
  background: var(--color-ivory);
  border: 1.5px solid var(--color-navy);
  border-radius: var(--radius-card);
  padding: clamp(1.25rem, 3vw, 2rem);
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
}

.flagship-panel img {
  border-radius: calc(var(--radius-card) - 4px);
  border: 1px solid rgba(27, 42, 74, 0.25);
  aspect-ratio: 5 / 4;
  object-fit: cover;
  width: 100%;
}

@media (max-width: 800px) {
  .flagship-panel {
    grid-template-columns: 1fr;
  }
}

.quote-block {
  border-left: 3px solid var(--color-coral);
  padding: 0.25rem 0 0.25rem 1.25rem;
  margin: 0 0 1.5rem;
}

.quote-block p {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--color-navy);
}

.quote-block cite {
  font-style: normal;
  font-size: 0.9rem;
  color: var(--color-muted);
}

.detail-list {
  list-style: none;
  padding: 0;
}

.detail-list li {
  padding: 0.65rem 0;
  border-bottom: 1px solid rgba(27, 42, 74, 0.1);
}

.detail-list strong {
  display: block;
  font-family: var(--font-serif);
  color: var(--color-navy);
  margin-bottom: 0.2rem;
}

.price-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(27, 42, 74, 0.12);
  flex-wrap: wrap;
}

.price-row__name {
  font-family: var(--font-serif);
  color: var(--color-navy);
  font-size: 1.1rem;
}

.cohort-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.cohort-table th,
.cohort-table td {
  text-align: left;
  padding: 0.9rem 0.75rem;
  border-bottom: 1px solid rgba(27, 42, 74, 0.12);
  vertical-align: top;
}

.cohort-table th {
  font-family: var(--font-serif);
  color: var(--color-navy);
  font-weight: 600;
}

.cohort-card {
  padding: 1.25rem;
}

.cohort-card h3 {
  font-size: 1.15rem;
}

.form {
  max-width: 36rem;
}

.form__group {
  margin-bottom: 1.15rem;
}

.form__group label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.35rem;
  color: var(--color-navy);
}

.form__group input,
.form__group select,
.form__group textarea {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border: 1.5px solid rgba(27, 42, 74, 0.35);
  border-radius: 8px;
  font-family: var(--font-sans);
  font-size: 1rem;
  background: var(--color-white);
  color: var(--color-text);
}

.form__group textarea {
  min-height: 140px;
  resize: vertical;
}

.form__error {
  color: #9b2c2c;
  font-size: 0.85rem;
  margin-top: 0.3rem;
  display: none;
}

.form__group.has-error input,
.form__group.has-error select,
.form__group.has-error textarea {
  border-color: #9b2c2c;
}

.form__group.has-error .form__error {
  display: block;
}

.form__status {
  margin-top: 1rem;
  padding: 0.85rem 1rem;
  border-radius: 8px;
  display: none;
}

.form__status.is-success {
  display: block;
  background: rgba(91, 168, 160, 0.2);
  border: 1px solid var(--color-teal);
  color: var(--color-navy);
}

.form__status.is-error {
  display: block;
  background: rgba(224, 122, 95, 0.15);
  border: 1px solid var(--color-coral);
  color: #7a2e1e;
}

.contact-aside {
  background: var(--color-ivory);
  border: 1.5px solid var(--color-navy);
  border-radius: var(--radius-card);
  padding: 1.5rem;
}

.legal {
  max-width: 44rem;
  padding-bottom: 3rem;
}

.legal h2 {
  margin-top: 2rem;
  font-size: 1.35rem;
}

.legal table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  margin: 1rem 0;
}

.legal th,
.legal td {
  border: 1px solid rgba(27, 42, 74, 0.2);
  padding: 0.6rem 0.7rem;
  text-align: left;
}

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

.story-card {
  padding: 1.5rem;
  margin-top: 1.5rem;
}

.story-card h3 {
  margin-bottom: 0.75rem;
}

.muted {
  color: var(--color-muted);
}

.tag {
  display: inline-block;
  font-size: 0.75rem;
  padding: 0.2em 0.65em;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-sand);
  color: var(--color-navy);
  margin-right: 0.35rem;
}

.home-asymmetric {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 1.5rem;
  align-items: stretch;
}

.home-asymmetric__note {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background: var(--color-navy);
  color: var(--color-chalk);
  border-radius: var(--radius-card);
  min-height: 280px;
}

.home-asymmetric__note h2 {
  color: var(--color-chalk);
  font-size: 1.6rem;
}

.home-asymmetric__note p {
  color: rgba(247, 245, 240, 0.8);
}

@media (max-width: 800px) {
  .home-asymmetric {
    grid-template-columns: 1fr;
  }
}

.error-page {
  text-align: center;
  padding: 6rem 0;
}

.error-page h1 {
  font-size: 4rem;
  margin-bottom: 0.25rem;
}

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

.steps li {
  counter-increment: step;
  position: relative;
  padding-left: 3rem;
  margin-bottom: 1.25rem;
}

.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--color-teal);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 600;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.team-card img {
  aspect-ratio: 1;
  object-fit: cover;
  width: 100%;
  border-radius: var(--radius-card);
  border: 1.5px solid var(--color-navy);
  margin-bottom: 0.85rem;
}

.team-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.2rem;
}

@media (max-width: 700px) {
  .team-grid {
    grid-template-columns: 1fr;
  }
}