:root {
  --color-mist: #EAF4F1;
  --color-pine: #183B37;
  --color-teal: #2E6F6A;
  --color-sand: #D9C7A2;
  --color-ink: #101616;
  --color-ivory: #F7F4EE;
  --color-graphite: #151C1B;
  --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;
  --space: clamp(1.25rem, 3vw, 2.5rem);
  --max: 72rem;
}

*,
*::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 50%),
    linear-gradient(180deg, var(--color-mist) 0%, #f3f0e8 45%, 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: 700;
  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;
}

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

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.65rem 1.15rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.25s ease, background 0.25s ease, border-color 0.25s ease, color 0.25s ease;
}

.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, 0.28);
  color: var(--color-pine);
  border-color: var(--color-sand);
}

.btn--secondary:hover {
  background: rgba(217, 199, 162, 0.5);
  transform: translateY(-2px);
}

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  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 {
  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: 0.75rem;
  text-decoration: none;
  color: var(--color-pine);
}

.site-header__brand-mark {
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  background: var(--color-pine);
  color: var(--color-sand);
  font-family: var(--font-serif);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  border-radius: 4px;
}

.site-header__brand-name {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 700;
}

.site-header__nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.5vw, 2rem);
}

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

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

.site-header__cta {
  padding: 0.45rem 0.9rem;
  border: 1px solid var(--color-pine);
  border-radius: var(--radius);
  background: transparent;
}

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

.site-header__toggle span {
  display: block;
  width: 1.4rem;
  height: 2px;
  background: var(--color-pine);
}

@media (max-width: 860px) {
  .site-header__toggle {
    display: flex;
  }

  .site-header__nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.5rem 0;
    background: rgba(247, 244, 238, 0.98);
    border-bottom: 1px solid rgba(24, 59, 55, 0.12);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s ease, opacity 0.3s ease;
  }

  .site-header__nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .site-header__nav a {
    padding: 0.9rem var(--space);
    border-bottom: 1px solid rgba(24, 59, 55, 0.06);
  }

  .site-header__cta {
    margin: 0.75rem var(--space);
    text-align: center;
  }
}

/* Footer */
.site-footer {
  margin-top: clamp(4rem, 8vw, 7rem);
  background: var(--color-graphite);
  color: rgba(234, 244, 241, 0.88);
  padding: clamp(3rem, 6vw, 5rem) 0 1.5rem;
}

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

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

.site-footer__inner {
  width: min(100% - 2 * var(--space), var(--max));
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.3fr;
  gap: 2rem;
}

.site-footer__name {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: var(--color-mist);
  margin-bottom: 0.35rem;
}

.site-footer__tag,
.site-footer__address {
  color: rgba(234, 244, 241, 0.65);
  font-size: 0.95rem;
}

.site-footer__heading {
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-sand);
  margin: 0 0 1rem;
  font-family: var(--font-sans);
  font-weight: 600;
}

.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: 0.75rem;
}

.newsletter-form input {
  flex: 1 1 12rem;
  padding: 0.65rem 0.8rem;
  border: 1px solid rgba(217, 199, 162, 0.35);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.04);
  color: var(--color-mist);
  font: inherit;
}

.newsletter-form input::placeholder {
  color: rgba(234, 244, 241, 0.45);
}

.site-footer__legal {
  width: min(100% - 2 * var(--space), var(--max));
  margin: 2.5rem auto 0;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(217, 199, 162, 0.18);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  font-size: 0.85rem;
  color: rgba(234, 244, 241, 0.5);
}

@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;
  inset: auto 0 0;
  z-index: 200;
  padding: 1rem var(--space) 1.25rem;
  background: rgba(21, 28, 27, 0.96);
  border-top: 1px solid rgba(217, 199, 162, 0.25);
  color: var(--color-mist);
}

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

.cookie-banner__title {
  font-family: var(--font-serif);
  margin: 0 0 0.35rem;
  color: var(--color-sand);
}

.cookie-banner__text p {
  margin: 0;
  font-size: 0.92rem;
  color: rgba(234, 244, 241, 0.8);
}

.cookie-banner__actions {
  display: flex;
  gap: 0.6rem;
  flex-shrink: 0;
}

/* Sections & cards */
.section {
  padding: clamp(3rem, 7vw, 5.5rem) 0;
}

.section--tight {
  padding: clamp(2rem, 4vw, 3rem) 0;
}

.section__eyebrow {
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-teal);
  margin-bottom: 0.75rem;
}

.section__title {
  font-size: clamp(1.75rem, 3.5vw, 2.6rem);
  margin: 0 0 1rem;
  max-width: 18ch;
}

.section__lead {
  max-width: 40rem;
  color: rgba(16, 22, 22, 0.82);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
}

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

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

.card {
  background: var(--color-ivory);
  border: 1px solid rgba(24, 59, 55, 0.14);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
}

.card__media {
  aspect-ratio: 3 / 2;
  overflow: hidden;
}

.card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.card:hover .card__media img {
  transform: scale(1.04);
}

.card__body {
  padding: 1.35rem 1.35rem 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card__body h3 {
  font-size: 1.2rem;
  margin: 0 0 0.65rem;
}

.card__body p {
  flex: 1;
  font-size: 0.98rem;
  color: rgba(16, 22, 22, 0.8);
}

.card__meta {
  font-size: 0.88rem;
  color: var(--color-teal);
  margin-top: 0.75rem;
}

/* Hero - asymmetric editorial */
.hero {
  position: relative;
  min-height: calc(100vh - var(--header-h));
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: stretch;
  overflow: hidden;
}

.hero__content {
  padding: clamp(2.5rem, 6vw, 5rem) var(--space);
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 36rem;
  margin-left: max(0px, calc((100vw - var(--max)) / 2));
}

.hero__brand {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  line-height: 1.1;
  margin: 0 0 1.25rem;
  color: var(--color-pine);
}

.hero__kicker {
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-teal);
  margin-bottom: 1rem;
}

.hero__text {
  font-size: 1.1rem;
  max-width: 28rem;
  margin-bottom: 2rem;
  color: rgba(16, 22, 22, 0.85);
}

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

.hero__media {
  position: relative;
  min-height: 28rem;
}

.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  will-change: transform;
}

.hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--color-mist) 0%, transparent 18%);
  pointer-events: none;
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero__content {
    margin-left: 0;
    max-width: none;
    padding-bottom: 2rem;
  }

  .hero__media {
    min-height: 55vw;
    order: -1;
  }

  .hero__media::after {
    background: linear-gradient(180deg, transparent 60%, var(--color-mist));
  }
}

/* Reveal / fade motion */
[data-reveal] {
  opacity: 0;
  transform: translateY(1.25rem);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

[data-reveal-delay="1"] { transition-delay: 0.12s; }
[data-reveal-delay="2"] { transition-delay: 0.24s; }
[data-reveal-delay="3"] { transition-delay: 0.36s; }

.section-fade {
  opacity: 0;
  transform: translateY(1.5rem);
  transition: opacity 0.9s ease, transform 0.9s ease;
}

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

/* Offset blocks */
.offset-block {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
  margin-top: 2rem;
}

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

.offset-block__media {
  border: 1px solid rgba(24, 59, 55, 0.14);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  border-radius: 4px;
}

.offset-block__media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

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

@media (max-width: 800px) {
  .offset-block,
  .offset-block--flip {
    grid-template-columns: 1fr;
  }

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

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

.page-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin: 0 0 1rem;
  max-width: 16ch;
}

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

.prose {
  max-width: 42rem;
}

.prose h2 {
  margin-top: 2.25rem;
  font-size: 1.45rem;
}

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

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

.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  margin: 1.5rem 0;
}

.prose th,
.prose td {
  border: 1px solid rgba(24, 59, 55, 0.18);
  padding: 0.65rem 0.75rem;
  text-align: left;
}

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

/* Forms */
.form {
  display: grid;
  gap: 1.1rem;
  max-width: 36rem;
}

.form__row {
  display: grid;
  gap: 0.4rem;
}

.form label {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--color-pine);
}

.form input,
.form select,
.form textarea {
  font: inherit;
  padding: 0.7rem 0.85rem;
  border: 1px solid rgba(24, 59, 55, 0.25);
  border-radius: var(--radius);
  background: var(--color-ivory);
  color: var(--color-ink);
}

.form textarea {
  min-height: 9rem;
  resize: vertical;
}

.form__error {
  color: #8a2f2f;
  font-size: 0.85rem;
  min-height: 1.2em;
}

.form-message {
  margin-top: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  font-size: 0.95rem;
}

.form-message--success {
  background: rgba(46, 111, 106, 0.12);
  color: var(--color-pine);
  border: 1px solid rgba(46, 111, 106, 0.3);
}

.form-message--error {
  background: rgba(138, 47, 47, 0.08);
  color: #6e2424;
  border: 1px solid rgba(138, 47, 47, 0.25);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 0.85fr;
  gap: 3rem;
  align-items: start;
}

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

.contact-aside h2 {
  font-size: 1.2rem;
  margin-top: 0;
}

.contact-aside dl {
  margin: 0;
}

.contact-aside dt {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-teal);
  margin-top: 1rem;
}

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

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

/* Reviews */
.review-list {
  display: grid;
  gap: 1.5rem;
  margin-top: 2rem;
}

.review {
  background: var(--color-ivory);
  border: 1px solid rgba(24, 59, 55, 0.12);
  padding: 1.5rem 1.75rem;
  box-shadow: var(--shadow-soft);
}

.review__quote {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  line-height: 1.6;
  color: var(--color-pine);
  margin-bottom: 1rem;
}

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

.review--story {
  grid-column: 1 / -1;
  padding: 2rem;
}

.story-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

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

/* Pricing */
.price-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 2rem;
  background: var(--color-ivory);
  box-shadow: var(--shadow-soft);
}

.price-table th,
.price-table td {
  padding: 1rem 1.15rem;
  border-bottom: 1px solid rgba(24, 59, 55, 0.12);
  text-align: left;
  vertical-align: top;
}

.price-table th {
  font-family: var(--font-serif);
  color: var(--color-pine);
  background: rgba(46, 111, 106, 0.06);
}

.price-note {
  margin-top: 1.5rem;
  max-width: 40rem;
  font-size: 0.98rem;
}

/* Cohorts */
.cohort-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 2rem;
  font-size: 0.98rem;
}

.cohort-table th,
.cohort-table td {
  padding: 0.9rem 1rem;
  border-bottom: 1px solid rgba(24, 59, 55, 0.14);
  text-align: left;
}

.cohort-table th {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-teal);
}

.cohort-table tr:hover td {
  background: rgba(234, 244, 241, 0.6);
}

/* Detail service */
.detail-hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2.5rem;
  align-items: center;
  padding: clamp(2.5rem, 5vw, 4rem) 0;
}

.detail-hero__media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 1px solid rgba(24, 59, 55, 0.14);
  box-shadow: var(--shadow-soft);
}

.detail-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
}

.detail-list li {
  padding: 0.55rem 0;
  border-bottom: 1px solid rgba(24, 59, 55, 0.1);
  padding-left: 1.1rem;
  position: relative;
}

.detail-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1rem;
  width: 0.4rem;
  height: 0.4rem;
  background: var(--color-teal);
  border-radius: 1px;
}

.process-steps {
  counter-reset: step;
  list-style: none;
  padding: 0;
  display: grid;
  gap: 1rem;
  margin: 1.5rem 0 2rem;
}

.process-steps li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: 1rem;
  align-items: start;
}

.process-steps li::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-serif);
  color: var(--color-teal);
  font-size: 1.1rem;
}

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

/* Team */
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

.team-card {
  background: var(--color-ivory);
  border: 1px solid rgba(24, 59, 55, 0.12);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.team-card img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

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

.team-card h3 {
  margin: 0 0 0.25rem;
  font-size: 1.15rem;
}

.team-card__role {
  font-size: 0.88rem;
  color: var(--color-teal);
  margin-bottom: 0.65rem;
}

@media (max-width: 800px) {
  .team-grid {
    grid-template-columns: 1fr;
    max-width: 22rem;
  }
}

/* 404 */
.page-404 {
  min-height: 60vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 4rem var(--space);
}

.page-404 h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  margin-bottom: 0.75rem;
}

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

.article-cover {
  margin: 0 0 2rem;
  border: 1px solid rgba(24, 59, 55, 0.12);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

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

.cta-band {
  margin: 3rem 0;
  padding: clamp(2rem, 4vw, 3rem);
  background: var(--color-pine);
  color: var(--color-mist);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.cta-band h2 {
  color: var(--color-mist);
  margin: 0 0 0.5rem;
  font-size: 1.6rem;
}

.cta-band p {
  margin: 0;
  max-width: 28rem;
  color: rgba(234, 244, 241, 0.8);
}

.cta-band .btn--secondary {
  border-color: var(--color-sand);
  color: var(--color-mist);
}