:root {
  --color-mist: #EAF4F1;
  --color-pine: #183B37;
  --color-teal: #2E6F6A;
  --color-sand: #D9C7A2;
  --color-ink: #101616;
  --color-ivory: #F7F4EE;
  --color-graphite: #1A2221;
  --font-serif: "Noto Serif TC", "Songti TC", serif;
  --font-sans: "Noto Sans TC", "PingFang TC", sans-serif;
  --shadow-soft: 0 18px 40px rgba(16, 22, 22, 0.08);
  --radius: 6px;
  --header-h: 4.25rem;
  --ease: cubic-bezier(0.22, 1, 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-ink);
  background:
    radial-gradient(ellipse at 12% 0%, rgba(46, 111, 106, 0.12), transparent 42%),
    radial-gradient(ellipse at 88% 18%, rgba(217, 199, 162, 0.22), transparent 40%),
    linear-gradient(180deg, var(--color-mist) 0%, #f3f7f5 48%, var(--color-mist) 100%);
  min-height: 100vh;
}

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

a {
  color: var(--color-teal);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

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

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.25;
  color: var(--color-pine);
  letter-spacing: 0.01em;
}

h1 { font-size: clamp(2.1rem, 4.5vw, 3.4rem); margin: 0 0 0.6em; }
h2 { font-size: clamp(1.55rem, 3vw, 2.2rem); margin: 0 0 0.7em; }
h3 { font-size: 1.2rem; margin: 0 0 0.5em; }

p { margin: 0 0 1em; }

.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);
}

.eyebrow {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-teal);
  margin: 0 0 0.85rem;
}

.lede {
  font-size: 1.15rem;
  max-width: 38rem;
  color: rgba(16, 22, 22, 0.82);
}

.section {
  padding: clamp(3.5rem, 8vw, 6.5rem) clamp(1.25rem, 5vw, 4rem);
}

.section--alt {
  background: rgba(247, 244, 238, 0.72);
}

.section--dark {
  background: var(--color-graphite);
  color: var(--color-mist);
}

.section--dark h2,
.section--dark h3 {
  color: var(--color-sand);
}

.section__inner {
  max-width: 1120px;
  margin: 0 auto;
}

.section__intro {
  max-width: 40rem;
  margin-bottom: 2.5rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 2.65rem;
  padding: 0.55rem 1.15rem;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease), color 0.25s var(--ease);
}

.btn--compact {
  min-height: 2.3rem;
  padding: 0.4rem 0.9rem;
  font-size: 0.85rem;
}

.btn--primary {
  background: var(--color-pine);
  color: var(--color-mist);
  border-color: var(--color-pine);
}

.btn--primary:hover {
  background: var(--color-teal);
  border-color: var(--color-teal);
  color: #fff;
  transform: translateY(-2px);
}

.btn--secondary {
  background: rgba(217, 199, 162, 0.18);
  color: var(--color-pine);
  border-color: var(--color-sand);
}

.btn--secondary:hover {
  background: rgba(217, 199, 162, 0.35);
  transform: translateY(-2px);
  color: var(--color-pine);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(234, 244, 241, 0.78);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(24, 59, 55, 0.12);
}

.site-header__inner {
  max-width: 1200px;
  margin: 0 auto;
  height: 100%;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

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

.site-header__mark {
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 2px;
  background: var(--color-teal);
  box-shadow: 4px 4px 0 var(--color-sand);
}

.site-header__name {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.site-header__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.15rem 1.55rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-header__list a {
  color: var(--color-ink);
  text-decoration: none;
  font-size: 0.92rem;
  letter-spacing: 0.02em;
}

.site-header__list a:hover,
.site-header__list a[aria-current="page"] {
  color: var(--color-teal);
}

.site-header__toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid rgba(24, 59, 55, 0.2);
  background: transparent;
  border-radius: var(--radius);
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}

.site-header__toggle span:not(.visually-hidden) {
  display: block;
  width: 1.1rem;
  height: 1.5px;
  background: var(--color-pine);
}

/* Hero home — asymmetric editorial */
.home-hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: end;
  min-height: calc(100vh - var(--header-h));
  padding: clamp(2rem, 6vw, 4.5rem) clamp(1.25rem, 5vw, 4rem) clamp(3rem, 7vw, 5rem);
  max-width: 1280px;
  margin: 0 auto;
}

.home-hero__brand {
  font-family: var(--font-serif);
  font-size: clamp(2.8rem, 7vw, 5.2rem);
  line-height: 1.05;
  color: var(--color-pine);
  margin: 0 0 1.1rem;
  letter-spacing: 0.02em;
}

.home-hero__kicker {
  font-size: 1.05rem;
  max-width: 28rem;
  margin-bottom: 0.4rem;
  color: var(--color-teal);
  font-weight: 500;
}

.home-hero__support {
  max-width: 28rem;
  margin-bottom: 0;
  color: rgba(16, 22, 22, 0.8);
}

.home-hero__media {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(24, 59, 55, 0.18);
  box-shadow: var(--shadow-soft);
  min-height: 420px;
}

.home-hero__media img {
  width: 100%;
  height: 100%;
  min-height: 420px;
  object-fit: cover;
  transform: scale(1.06);
  will-change: transform;
}

.home-hero__media[data-parallax] img {
  transition: transform 0.15s linear;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--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; }

.fade-section {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}

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

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.card {
  background: var(--color-ivory);
  border: 1px solid rgba(24, 59, 55, 0.16);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: transform 0.3s var(--ease);
}

.card:hover {
  transform: translateY(-4px);
}

.card__media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  margin: 0;
}

.card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card__body {
  padding: 1.35rem 1.35rem 1.6rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card__body h3 {
  margin-bottom: 0.45rem;
}

.card__body h3 a {
  color: inherit;
  text-decoration: none;
}

.card__body p {
  flex: 1;
  font-size: 0.98rem;
}

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

/* Offset blocks */
.offset-block {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(1.5rem, 5vw, 3.5rem);
  align-items: center;
}

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

.offset-block__media {
  margin: 0;
  border: 1px solid rgba(24, 59, 55, 0.16);
  box-shadow: var(--shadow-soft);
}

.offset-block__media img {
  width: 100%;
  aspect-ratio: 5 / 4;
  object-fit: cover;
}

.offset-block--flip .offset-block__media {
  order: 2;
}

/* Page hero */
.page-hero {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: 2.5rem;
  align-items: center;
  padding: clamp(2.5rem, 6vw, 4.5rem) clamp(1.25rem, 5vw, 4rem);
  max-width: 1200px;
  margin: 0 auto;
}

.page-hero--simple {
  display: block;
  max-width: 760px;
}

.page-hero--offset .page-hero__media {
  margin-top: 2.5rem;
}

.page-hero__media {
  margin: 0;
  border: 1px solid rgba(24, 59, 55, 0.16);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.page-hero__media img {
  width: 100%;
  aspect-ratio: 5 / 4;
  object-fit: cover;
}

/* Evidence / quotes */
.quote-list {
  display: grid;
  gap: 1.5rem;
}

.quote {
  background: var(--color-ivory);
  border-left: 3px solid var(--color-teal);
  border: 1px solid rgba(24, 59, 55, 0.12);
  border-left-width: 3px;
  border-left-color: var(--color-teal);
  padding: 1.5rem 1.6rem;
  box-shadow: var(--shadow-soft);
}

.quote p {
  font-family: var(--font-serif);
  font-size: 1.12rem;
  color: var(--color-pine);
}

.quote footer {
  font-size: 0.9rem;
  color: rgba(16, 22, 22, 0.7);
}

.story-block {
  margin-top: 2.5rem;
  padding: 2rem;
  background: rgba(234, 244, 241, 0.65);
  border: 1px solid rgba(24, 59, 55, 0.12);
}

/* Pricing */
.rate-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0 2rem;
  background: var(--color-ivory);
  border: 1px solid rgba(24, 59, 55, 0.14);
}

.rate-table th,
.rate-table td {
  text-align: left;
  padding: 1rem 1.15rem;
  border-bottom: 1px solid rgba(24, 59, 55, 0.1);
  vertical-align: top;
}

.rate-table th {
  font-family: var(--font-serif);
  color: var(--color-pine);
  background: rgba(46, 111, 106, 0.08);
}

.factor-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem 2rem;
  list-style: none;
  padding: 0;
  margin: 0 0 2rem;
}

.factor-list li {
  padding-left: 1.1rem;
  position: relative;
}

.factor-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 0.45rem;
  height: 0.45rem;
  background: var(--color-sand);
  border-radius: 1px;
}

/* Forms */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 0.85fr;
  gap: 2.5rem;
  align-items: start;
}

.form {
  background: var(--color-ivory);
  border: 1px solid rgba(24, 59, 55, 0.14);
  padding: 1.75rem;
  box-shadow: var(--shadow-soft);
}

.form__group {
  margin-bottom: 1.15rem;
}

.form label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--color-pine);
}

.form input,
.form select,
.form textarea {
  width: 100%;
  padding: 0.7rem 0.8rem;
  border: 1px solid rgba(24, 59, 55, 0.22);
  border-radius: var(--radius);
  background: #fff;
  font: inherit;
  color: var(--color-ink);
}

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

.form input:focus,
.form select:focus,
.form textarea:focus {
  outline: 2px solid rgba(46, 111, 106, 0.35);
  border-color: var(--color-teal);
}

.field-error {
  display: none;
  margin: 0.35rem 0 0;
  font-size: 0.85rem;
  color: #8a3030;
}

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

.form__group.has-error input,
.form__group.has-error select,
.form__group.has-error textarea {
  border-color: #8a3030;
}

.form-message {
  margin-top: 0.9rem;
  padding: 0.75rem 0.9rem;
  border-radius: var(--radius);
  font-size: 0.92rem;
}

.form-message--success {
  background: rgba(46, 111, 106, 0.12);
  color: var(--color-pine);
  border: 1px solid rgba(46, 111, 106, 0.25);
}

.form-message--error {
  background: rgba(138, 48, 48, 0.08);
  color: #8a3030;
  border: 1px solid rgba(138, 48, 48, 0.2);
}

.contact-card {
  padding: 1.5rem;
  background: var(--color-graphite);
  color: var(--color-mist);
}

.contact-card h2 {
  color: var(--color-sand);
}

.contact-card a {
  color: var(--color-sand);
}

.contact-card address {
  font-style: normal;
}

/* Cohort timeline */
.cohort-list {
  display: grid;
  gap: 1.25rem;
}

.cohort {
  display: grid;
  grid-template-columns: 8rem 1fr auto;
  gap: 1.25rem;
  align-items: center;
  padding: 1.35rem 1.5rem;
  background: var(--color-ivory);
  border: 1px solid rgba(24, 59, 55, 0.14);
  box-shadow: var(--shadow-soft);
}

.cohort__date {
  font-family: var(--font-serif);
  color: var(--color-teal);
  font-size: 1.05rem;
}

.cohort__status {
  font-size: 0.85rem;
  color: var(--color-pine);
  border: 1px solid var(--color-sand);
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius);
  white-space: nowrap;
}

/* Legal / prose */
.prose {
  max-width: 42rem;
}

.prose.wide,
.section__inner.prose {
  max-width: 48rem;
}

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

.prose ul,
.prose ol {
  padding-left: 1.25rem;
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.25rem 0;
  font-size: 0.92rem;
}

.prose th,
.prose td {
  border: 1px solid rgba(24, 59, 55, 0.15);
  padding: 0.65rem 0.75rem;
  text-align: left;
  vertical-align: top;
}

.prose th {
  background: rgba(46, 111, 106, 0.08);
}

.legal-page,
.article {
  padding: clamp(2.5rem, 6vw, 4rem) clamp(1.25rem, 5vw, 4rem) 4rem;
  max-width: 760px;
  margin: 0 auto;
}

.article__cover {
  margin: 0 0 2rem;
  border: 1px solid rgba(24, 59, 55, 0.14);
  overflow: hidden;
}

.article__cover img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.article__meta {
  color: rgba(16, 22, 22, 0.65);
  font-size: 0.92rem;
  margin-bottom: 1.5rem;
}

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

.detail-grid ul {
  margin: 0;
  padding-left: 1.1rem;
}

/* Footer */
.site-footer {
  background: var(--color-graphite);
  color: rgba(234, 244, 241, 0.88);
  margin-top: 2rem;
}

.site-footer a {
  color: var(--color-sand);
  text-decoration: none;
}

.site-footer a:hover {
  color: #fff;
}

.site-footer__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 3.5rem clamp(1.25rem, 4vw, 2.5rem) 2rem;
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr) 1.2fr;
  gap: 2rem;
}

.site-footer__name {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: var(--color-sand);
  margin-bottom: 0.6rem;
}

.site-footer__tagline {
  font-size: 0.95rem;
  max-width: 18rem;
}

.site-footer__address {
  font-style: normal;
  font-size: 0.9rem;
  margin-top: 1.25rem;
}

.site-footer__col h2,
.site-footer__newsletter h2 {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(234, 244, 241, 0.65);
  margin-bottom: 1rem;
}

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

.site-footer__col li {
  margin-bottom: 0.55rem;
}

.newsletter-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.newsletter-form input {
  flex: 1 1 10rem;
  min-width: 0;
  padding: 0.55rem 0.7rem;
  border: 1px solid rgba(217, 199, 162, 0.4);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  font: inherit;
}

.newsletter-form input::placeholder {
  color: rgba(234, 244, 241, 0.5);
}

.site-footer__bottom {
  border-top: 1px solid rgba(234, 244, 241, 0.12);
  padding: 1rem clamp(1.25rem, 4vw, 2.5rem) 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
  font-size: 0.85rem;
  color: rgba(234, 244, 241, 0.55);
}

/* Cookie banner */
.cookie-banner {
  position: fixed;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  z-index: 200;
  max-width: 720px;
  margin: 0 auto;
}

.cookie-banner__inner {
  background: var(--color-ivory);
  border: 1px solid rgba(24, 59, 55, 0.2);
  box-shadow: var(--shadow-soft);
  padding: 1.25rem 1.35rem;
  display: grid;
  gap: 1rem;
}

.cookie-banner__text h2 {
  font-size: 1.05rem;
  margin-bottom: 0.4rem;
}

.cookie-banner__text p {
  margin: 0;
  font-size: 0.92rem;
}

.cookie-banner__actions {
  display: flex;
  gap: 0.65rem;
  justify-content: flex-end;
}

.cookie-banner__error {
  margin: 0;
  color: #8a3030;
  font-size: 0.85rem;
}

/* 404 */
.error-page {
  min-height: calc(100vh - var(--header-h) - 12rem);
  display: grid;
  place-content: center;
  text-align: center;
  padding: 3rem 1.25rem;
}

.error-page__code {
  font-family: var(--font-serif);
  font-size: 5rem;
  color: var(--color-sand);
  line-height: 1;
  margin: 0;
}

/* Team */
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.team-card {
  background: var(--color-ivory);
  border: 1px solid rgba(24, 59, 55, 0.14);
  overflow: hidden;
}

.team-card img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.team-card__body {
  padding: 1.15rem 1.25rem 1.4rem;
}

@media (max-width: 980px) {
  .home-hero,
  .page-hero,
  .offset-block,
  .offset-block--flip,
  .contact-layout,
  .site-footer__inner {
    grid-template-columns: 1fr;
  }

  .offset-block--flip .offset-block__media {
    order: 0;
  }

  .card-grid,
  .team-grid,
  .detail-grid,
  .factor-list {
    grid-template-columns: 1fr;
  }

  .cohort {
    grid-template-columns: 1fr;
  }

  .site-header__toggle {
    display: inline-flex;
  }

  .site-header__nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: rgba(234, 244, 241, 0.96);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(24, 59, 55, 0.12);
    padding: 1rem 1.25rem 1.25rem;
    display: none;
  }

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

  .site-header__list {
    flex-direction: column;
    gap: 0.85rem;
  }

  .home-hero {
    min-height: auto;
    padding-top: 2rem;
  }

  .home-hero__media,
  .home-hero__media img {
    min-height: 280px;
  }
}