: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 12px 40px rgba(16, 22, 22, 0.08);
  --radius: 6px;
  --header-h: 4.25rem;
  --max: 72rem;
  --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 80% 50% at 10% -10%, rgba(46, 111, 106, 0.12), transparent 55%),
    linear-gradient(180deg, var(--color-mist) 0%, #f3f7f5 40%, 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;
}

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;
}

.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: 0.65rem 1.15rem;
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 500;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease), color 0.25s var(--ease);
}

.btn:hover {
  transform: translateY(-2px);
}

.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;
}

.btn--secondary {
  background: rgba(217, 199, 162, 0.25);
  color: var(--color-pine);
  border-color: var(--color-sand);
}

.btn--secondary:hover {
  background: rgba(217, 199, 162, 0.45);
  color: var(--color-ink);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(234, 244, 241, 0.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(24, 59, 55, 0.12);
}

.site-header__inner {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.site-header__brand {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-pine);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.site-header__toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: transparent;
  border: 0;
  padding: 0.5rem;
  cursor: pointer;
}

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

.site-nav__list {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  color: var(--color-ink);
  text-decoration: none;
  font-size: 0.92rem;
  letter-spacing: 0.04em;
}

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

.site-nav__cta {
  padding: 0.45rem 0.9rem;
  border: 1px solid var(--color-pine);
  border-radius: var(--radius);
  color: var(--color-pine) !important;
}

.site-nav__cta:hover {
  background: var(--color-pine);
  color: var(--color-mist) !important;
}

@media (max-width: 960px) {
  .site-header__toggle { display: flex; }
  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(247, 244, 238, 0.98);
    border-bottom: 1px solid rgba(24, 59, 55, 0.12);
    padding: 1rem 1.25rem 1.5rem;
    display: none;
  }
  .site-nav.is-open { display: block; }
  .site-nav__list {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
}

/* Hero asymmetric */
.hero {
  padding: 4.5rem 0 3.5rem;
  overflow: hidden;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3rem;
  align-items: end;
}

.hero__eyebrow {
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-teal);
  margin-bottom: 1rem;
}

.hero__title {
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  margin: 0 0 1.25rem;
  max-width: 12em;
}

.hero__lead {
  font-size: 1.1rem;
  max-width: 34em;
  color: rgba(16, 22, 22, 0.82);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.hero__media {
  position: relative;
  margin-bottom: -1rem;
}

.hero__media img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border: 1px solid rgba(24, 59, 55, 0.18);
  box-shadow: var(--shadow-soft);
  transform: translateY(0);
  will-change: transform;
}

.hero__caption {
  position: absolute;
  left: -1.5rem;
  bottom: 2rem;
  background: var(--color-ivory);
  border: 1px solid rgba(24, 59, 55, 0.15);
  padding: 0.85rem 1.1rem;
  max-width: 14rem;
  font-size: 0.85rem;
  box-shadow: var(--shadow-soft);
}

@media (max-width: 860px) {
  .hero__grid { grid-template-columns: 1fr; gap: 2rem; }
  .hero__media img { aspect-ratio: 16 / 10; }
  .hero__caption { left: 1rem; bottom: 1rem; }
}

/* Sections */
.section {
  padding: 4.5rem 0;
}

.section--offset {
  padding-top: 2rem;
}

.section__head {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 2rem;
  margin-bottom: 2.75rem;
  align-items: end;
}

.section__head h2 {
  font-size: clamp(1.75rem, 3vw, 2.35rem);
  margin: 0;
}

.section__head p {
  margin: 0;
  color: rgba(16, 22, 22, 0.78);
}

@media (max-width: 720px) {
  .section__head { grid-template-columns: 1fr; gap: 0.75rem; }
}

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

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

.fade-section {
  opacity: 0.35;
  transition: opacity 1s var(--ease);
}

.fade-section.is-visible { opacity: 1; }

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

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

.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;
}

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

.card__body {
  padding: 1.35rem 1.4rem 1.6rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card__body h3 {
  margin: 0 0 0.6rem;
  font-size: 1.2rem;
}

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

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

.card__link {
  margin-top: 1rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--color-pine);
}

/* Feature / flagship band */
.flagship {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 0;
  background: var(--color-ivory);
  border: 1px solid rgba(24, 59, 55, 0.16);
  box-shadow: var(--shadow-soft);
}

.flagship__image {
  min-height: 100%;
  object-fit: cover;
  width: 100%;
  height: 100%;
  aspect-ratio: 4 / 5;
}

.flagship__content {
  padding: 2.5rem 2.75rem;
}

.flagship__content h2 {
  margin-top: 0;
  font-size: 2rem;
}

@media (max-width: 860px) {
  .flagship { grid-template-columns: 1fr; }
  .flagship__image { aspect-ratio: 16 / 9; max-height: 280px; }
  .flagship__content { padding: 1.75rem; }
}

/* Quote strip */
.quote-strip {
  border-top: 1px solid rgba(24, 59, 55, 0.12);
  border-bottom: 1px solid rgba(24, 59, 55, 0.12);
  padding: 3.5rem 0;
}

.quote-strip blockquote {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(1.3rem, 2.5vw, 1.75rem);
  color: var(--color-pine);
  max-width: 40rem;
  line-height: 1.5;
}

.quote-strip cite {
  display: block;
  margin-top: 1.25rem;
  font-family: var(--font-sans);
  font-style: normal;
  font-size: 0.92rem;
  color: rgba(16, 22, 22, 0.7);
}

/* Page hero simple */
.page-hero {
  padding: 3.5rem 0 2rem;
}

.page-hero h1 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  margin: 0 0 1rem;
}

.page-hero__lead {
  max-width: 38rem;
  font-size: 1.08rem;
}

.page-hero--media {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2.5rem;
  align-items: center;
  padding-bottom: 3rem;
}

.page-hero--media img {
  width: 100%;
  aspect-ratio: 5 / 4;
  object-fit: cover;
  border: 1px solid rgba(24, 59, 55, 0.15);
  box-shadow: var(--shadow-soft);
}

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

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

.prose h2 { margin-top: 2.5rem; }
.prose ul, .prose ol { padding-left: 1.2rem; }
.prose li { margin-bottom: 0.4rem; }

.legal .prose { max-width: 48rem; }

/* Pricing */
.rate-list {
  display: grid;
  gap: 1.25rem;
}

.rate-item {
  background: var(--color-ivory);
  border: 1px solid rgba(24, 59, 55, 0.16);
  padding: 1.5rem 1.75rem;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 1rem;
  box-shadow: var(--shadow-soft);
}

.rate-item h3 { margin: 0 0 0.4rem; font-size: 1.2rem; }
.rate-item__price {
  font-family: var(--font-serif);
  color: var(--color-teal);
  font-size: 1.15rem;
  text-align: right;
}

@media (max-width: 700px) {
  .rate-item { grid-template-columns: 1fr; }
  .rate-item__price { text-align: left; }
}

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

@media (max-width: 760px) {
  .review-grid { grid-template-columns: 1fr; }
}

.review-card {
  background: var(--color-ivory);
  border: 1px solid rgba(24, 59, 55, 0.16);
  padding: 1.5rem;
  box-shadow: var(--shadow-soft);
}

.review-card p { font-size: 1rem; }
.review-card__meta {
  margin-top: 1rem;
  font-size: 0.88rem;
  color: rgba(16, 22, 22, 0.7);
}

.story-block {
  margin-top: 3rem;
  padding: 2rem;
  background: rgba(46, 111, 106, 0.06);
  border-left: 3px solid var(--color-teal);
}

.story-block h3 { margin-top: 0; }

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

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

.team-card img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border: 1px solid rgba(24, 59, 55, 0.15);
}

.team-card h3 { margin: 1rem 0 0.25rem; font-size: 1.15rem; }
.team-card__role { color: var(--color-teal); font-size: 0.9rem; margin-bottom: 0.5rem; }

/* Cohort table */
.cohort-list {
  display: grid;
  gap: 1rem;
}

.cohort-row {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 0.8fr;
  gap: 1rem;
  padding: 1.35rem 1.5rem;
  background: var(--color-ivory);
  border: 1px solid rgba(24, 59, 55, 0.16);
  align-items: center;
}

.cohort-row strong { font-family: var(--font-serif); color: var(--color-pine); }

@media (max-width: 860px) {
  .cohort-row { grid-template-columns: 1fr; gap: 0.35rem; }
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 3rem;
  padding-bottom: 4rem;
}

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

.contact-details dt {
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-teal);
  margin-top: 1.25rem;
}

.contact-details dd {
  margin: 0.25rem 0 0;
}

.form-stack {
  display: grid;
  gap: 1rem;
  background: var(--color-ivory);
  border: 1px solid rgba(24, 59, 55, 0.16);
  padding: 1.75rem;
  box-shadow: var(--shadow-soft);
}

.form-stack label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.92rem;
  font-weight: 500;
}

.form-stack input,
.form-stack select,
.form-stack textarea {
  font: inherit;
  padding: 0.7rem 0.8rem;
  border: 1px solid rgba(24, 59, 55, 0.25);
  border-radius: var(--radius);
  background: #fff;
  color: var(--color-ink);
}

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

.field-error {
  color: #8b2e2e;
  font-size: 0.85rem;
  font-weight: 400;
}

.form-message {
  margin: 0.5rem 0 0;
  padding: 0.75rem;
  font-size: 0.92rem;
}

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

.form-message--error {
  background: rgba(139, 46, 46, 0.1);
  color: #8b2e2e;
}

.is-invalid {
  border-color: #8b2e2e !important;
}

/* Process steps */
.steps {
  counter-reset: step;
  display: grid;
  gap: 1.25rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.steps li {
  position: relative;
  padding-left: 3.5rem;
  counter-increment: step;
}

.steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-serif);
  color: var(--color-teal);
  font-size: 1.25rem;
}

/* Footer */
.site-footer {
  background: var(--color-graphite);
  color: rgba(234, 244, 241, 0.88);
  margin-top: 4rem;
  padding: 3.5rem 0 1.5rem;
}

.site-footer a {
  color: rgba(234, 244, 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;
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 1.2fr;
  gap: 2rem;
}

.site-footer__name {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: var(--color-mist);
  margin-bottom: 0.5rem;
}

.site-footer__tag {
  color: var(--color-sand);
  font-size: 0.9rem;
}

.site-footer__heading {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-sand);
  margin: 0 0 1rem;
  font-weight: 500;
}

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

.site-footer__col li { margin-bottom: 0.5rem; }

.newsletter-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.newsletter-form input {
  flex: 1 1 10rem;
  padding: 0.65rem 0.75rem;
  border: 1px solid rgba(217, 199, 162, 0.4);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
  color: var(--color-mist);
  font: inherit;
}

.site-footer__legal {
  width: min(100% - 2.5rem, var(--max));
  margin: 2.5rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(234, 244, 241, 0.12);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.85rem;
}

.site-footer__legal ul {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

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

@media (max-width: 560px) {
  .site-footer__inner { grid-template-columns: 1fr; }
}

/* Cookie banner */
.cookie-banner {
  position: fixed;
  bottom: 1.25rem;
  left: 1.25rem;
  right: 1.25rem;
  z-index: 200;
  max-width: 40rem;
  margin-inline: 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 1.4rem;
  display: grid;
  gap: 1rem;
}

.cookie-banner__title {
  font-size: 1.05rem;
  margin: 0 0 0.4rem;
}

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

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

.cookie-banner__error {
  color: #8b2e2e;
  font-size: 0.85rem;
  margin: 0;
}

/* 404 */
.error-page {
  min-height: 55vh;
  display: grid;
  place-content: center;
  text-align: center;
  padding: 4rem 1.5rem;
}

.error-page h1 {
  font-size: 3rem;
  margin-bottom: 0.5rem;
}

/* Detail lists */
.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin: 2rem 0;
}

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

.detail-box {
  background: var(--color-ivory);
  border: 1px solid rgba(24, 59, 55, 0.16);
  padding: 1.5rem;
}

.detail-box h3 { margin-top: 0; }

.offset-image {
  margin: 2.5rem 0 2.5rem 8%;
  max-width: 85%;
}

.offset-image img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border: 1px solid rgba(24, 59, 55, 0.15);
  box-shadow: var(--shadow-soft);
}

@media (max-width: 700px) {
  .offset-image { margin-left: 0; max-width: 100%; }
}

.cta-band {
  margin: 3rem 0;
  padding: 2.5rem;
  background: var(--color-pine);
  color: var(--color-mist);
}

.cta-band h2 { color: var(--color-mist); margin-top: 0; }
.cta-band p { color: rgba(234, 244, 241, 0.85); }
.cta-band .btn--secondary {
  background: transparent;
  border-color: var(--color-sand);
  color: var(--color-mist);
}

.blog-meta {
  font-size: 0.9rem;
  color: rgba(16, 22, 22, 0.65);
  margin-bottom: 1.5rem;
}