/* Editorial coastal modernism */
:root {
  --color-chalk: #f7f4ef;
  --color-ivory: #f3efe6;
  --color-sand: #d4c4a8;
  --color-teal: #5a9e9a;
  --color-teal-deep: #3d7a76;
  --color-navy: #1a2a4a;
  --color-navy-soft: #2a3d5c;
  --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: 12px;
  --shadow-bloom: 0 10px 28px rgba(26, 42, 74, 0.14);
  --header-h: 4rem;
  --space: clamp(1rem, 2.5vw, 2rem);
  --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-text);
  background:
    radial-gradient(ellipse at 12% 0%, rgba(90, 158, 154, 0.12), transparent 45%),
    radial-gradient(ellipse at 88% 8%, rgba(212, 196, 168, 0.22), transparent 40%),
    linear-gradient(180deg, var(--color-chalk) 0%, #faf8f4 48%, var(--color-chalk) 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: 0.2em;
}

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 0.75rem;
}

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;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(247, 244, 239, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(26, 42, 74, 0.08);
}

.site-header__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--space);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-header__brand {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-navy);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.site-header__toggle {
  display: none;
  background: transparent;
  border: 0;
  padding: 0.5rem;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
}

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

.site-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 1.1rem;
}

.site-nav a {
  font-size: 0.92rem;
  color: var(--color-navy);
  text-decoration: none;
  font-weight: 500;
}

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

.site-nav__cta {
  display: inline-block;
  padding: 0.45rem 1rem;
  background: var(--color-navy);
  color: #fff !important;
  border-radius: 999px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.site-nav__cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-bloom);
}

@media (max-width: 900px) {
  .site-header__toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: rgba(247, 244, 239, 0.97);
    border-bottom: 1px solid rgba(26, 42, 74, 0.1);
    padding: 1rem var(--space) 1.25rem;
    display: none;
  }

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

  .site-nav__list {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.85rem;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.7rem 1.45rem;
  border-radius: 999px;
  border: 2px solid transparent;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.28s ease, box-shadow 0.28s ease, background 0.2s ease;
}

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

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

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

.btn--ghost {
  background: transparent;
  border-color: rgba(26, 42, 74, 0.35);
  color: var(--color-navy);
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.5);
}

/* Layout helpers */
.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--space);
}

.section {
  padding: clamp(3rem, 7vw, 5.5rem) 0;
}

.section--sand {
  background: linear-gradient(180deg, transparent, rgba(212, 196, 168, 0.18), transparent);
}

.section__eyebrow {
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-teal-deep);
  margin-bottom: 0.6rem;
  font-weight: 600;
}

.section__lead {
  max-width: 38rem;
  color: var(--color-muted);
  font-size: 1.05rem;
}

/* Cards */
.card {
  background: var(--color-ivory);
  border: 1px solid rgba(26, 42, 74, 0.18);
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.04;
  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='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-bloom);
}

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

.card__body {
  padding: 1.35rem 1.4rem 1.5rem;
  position: relative;
}

.card__title {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

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

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

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

/* Hero variants */
.hero-split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: end;
  padding: clamp(2.5rem, 6vw, 4.5rem) 0 clamp(2rem, 4vw, 3rem);
  min-height: calc(100vh - var(--header-h) - 2rem);
}

.hero-split__copy {
  padding-bottom: 1rem;
}

.hero-split__brand {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 5.5vw, 3.8rem);
  line-height: 1.15;
  margin-bottom: 1rem;
  color: var(--color-navy);
}

.hero-split__headline {
  font-family: var(--font-sans);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  font-weight: 500;
  color: var(--color-text);
  max-width: 28rem;
  margin-bottom: 1.25rem;
}

.hero-split__support {
  color: var(--color-muted);
  max-width: 26rem;
  margin-bottom: 1.75rem;
}

.hero-split__media {
  position: relative;
}

.hero-split__img {
  width: 100%;
  height: clamp(320px, 55vh, 560px);
  object-fit: cover;
  border-radius: var(--radius) var(--radius) var(--radius) 40%;
  border: 1px solid rgba(26, 42, 74, 0.15);
}

.hero-split__layer {
  position: absolute;
  width: 42%;
  bottom: -8%;
  left: -8%;
  border-radius: var(--radius);
  border: 1px solid rgba(26, 42, 74, 0.2);
  box-shadow: var(--shadow-bloom);
  object-fit: cover;
  aspect-ratio: 4/5;
}

.page-hero {
  padding: clamp(2.5rem, 6vw, 4rem) 0 2rem;
}

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

.page-hero img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid rgba(26, 42, 74, 0.15);
}

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

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

  .hero-split__layer {
    display: none;
  }

  .hero-split__img {
    border-radius: var(--radius);
    height: 280px;
  }
}

/* Asymmetrical feature */
.feature-asym {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}

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

.feature-asym img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid rgba(26, 42, 74, 0.15);
}

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

  .feature-asym img {
    height: 240px;
  }
}

/* Quote / reviews */
.quote-block {
  background: var(--color-ivory);
  border: 1px solid rgba(26, 42, 74, 0.18);
  border-radius: var(--radius);
  padding: 1.5rem 1.6rem;
  position: relative;
}

.quote-block::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.035;
  border-radius: inherit;
  pointer-events: none;
  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='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.quote-block p {
  position: relative;
  font-size: 1.02rem;
}

.quote-block__attr {
  position: relative;
  font-size: 0.9rem;
  color: var(--color-muted);
  margin: 0;
}

.quote-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1.25rem;
  margin-top: 2rem;
}

.quote-grid .quote-block:nth-child(2) {
  margin-top: 2rem;
}

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

  .quote-grid .quote-block:nth-child(2) {
    margin-top: 0;
  }
}

/* Pricing */
.rate-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  background: var(--color-ivory);
  border: 1px solid rgba(26, 42, 74, 0.18);
  border-radius: var(--radius);
  overflow: hidden;
}

.rate-table th,
.rate-table td {
  text-align: left;
  padding: 0.9rem 1.1rem;
  border-bottom: 1px solid rgba(26, 42, 74, 0.1);
}

.rate-table th {
  font-family: var(--font-serif);
  background: rgba(90, 158, 154, 0.12);
  color: var(--color-navy);
}

.rate-note {
  color: var(--color-muted);
  font-size: 0.95rem;
}

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

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

.form__field input,
.form__field select,
.form__field textarea {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border: 1px solid rgba(26, 42, 74, 0.25);
  border-radius: 8px;
  background: #fff;
  font: inherit;
  color: var(--color-text);
}

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

.form__error {
  color: #a33a2a;
  font-size: 0.85rem;
  margin-top: 0.3rem;
  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: #a33a2a;
}

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

.form__status.is-success {
  display: block;
  background: rgba(90, 158, 154, 0.18);
  color: var(--color-navy);
  border: 1px solid var(--color-teal);
}

.form__status.is-error {
  display: block;
  background: rgba(224, 122, 95, 0.15);
  color: #7a2e1f;
  border: 1px solid var(--color-coral);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2.5rem;
  align-items: start;
}

.contact-aside {
  background: var(--color-ivory);
  border: 1px solid rgba(26, 42, 74, 0.18);
  border-radius: var(--radius);
  padding: 1.5rem;
}

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

/* Prose / legal */
.prose {
  max-width: 44rem;
}

.prose h2 {
  margin-top: 2.2rem;
  font-size: 1.4rem;
}

.prose h3 {
  margin-top: 1.6rem;
  font-size: 1.15rem;
}

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

.prose li {
  margin-bottom: 0.4rem;
}

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

.cookie-table th,
.cookie-table td {
  border: 1px solid rgba(26, 42, 74, 0.15);
  padding: 0.65rem 0.75rem;
  text-align: left;
  vertical-align: top;
}

.cookie-table th {
  background: rgba(90, 158, 154, 0.12);
}

/* Cohorts timeline */
.cohort-list {
  display: grid;
  gap: 1.25rem;
  margin-top: 2rem;
}

.cohort-item {
  display: grid;
  grid-template-columns: 8rem 1fr auto;
  gap: 1.25rem;
  align-items: center;
  background: var(--color-ivory);
  border: 1px solid rgba(26, 42, 74, 0.18);
  border-radius: var(--radius);
  padding: 1.25rem 1.4rem;
}

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

.cohort-item__meta {
  color: var(--color-muted);
  font-size: 0.92rem;
  margin: 0;
}

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

/* Footer */
.site-footer {
  margin-top: 3rem;
  background: var(--color-navy);
  color: rgba(247, 244, 239, 0.88);
}

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

.site-footer__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(2.5rem, 5vw, 4rem) var(--space) 2rem;
}

.site-footer__cta-title {
  font-family: var(--font-serif);
  color: var(--color-chalk);
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  max-width: 28rem;
}

.site-footer__cta-text {
  color: rgba(247, 244, 239, 0.72);
  max-width: 28rem;
  margin-bottom: 1.25rem;
}

.site-footer__cols {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(247, 244, 239, 0.12);
}

.site-footer h3 {
  color: var(--color-sand);
  font-size: 0.95rem;
  margin-bottom: 0.85rem;
}

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

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

.site-footer a {
  color: rgba(247, 244, 239, 0.8);
  text-decoration: none;
  font-size: 0.92rem;
}

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

.site-footer__contact p {
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
  color: rgba(247, 244, 239, 0.75);
}

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

.site-footer__social a {
  opacity: 0.65;
}

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

.site-footer__copy {
  margin-top: 2.5rem;
  font-size: 0.82rem;
  color: rgba(247, 244, 239, 0.5);
}

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

/* Cookie banner */
.cookie-banner {
  position: fixed;
  bottom: 1rem;
  left: 1rem;
  right: 1rem;
  z-index: 200;
  max-width: 36rem;
  margin: 0 auto;
}

.cookie-banner__inner {
  background: var(--color-ivory);
  border: 1px solid rgba(26, 42, 74, 0.2);
  border-radius: var(--radius);
  padding: 1.15rem 1.25rem;
  box-shadow: var(--shadow-bloom);
}

.cookie-banner__text {
  font-size: 0.92rem;
  margin-bottom: 0.85rem;
}

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

.cookie-banner__error {
  color: #a33a2a;
  font-size: 0.85rem;
  margin: 0.5rem 0 0;
}

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

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-stagger > *.reveal:nth-child(2) { transition-delay: 0.12s; }
.reveal-stagger > *.reveal:nth-child(3) { transition-delay: 0.24s; }
.reveal-stagger > *.reveal:nth-child(4) { transition-delay: 0.36s; }

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

/* 404 */
.error-page {
  text-align: center;
  padding: 6rem 1rem 5rem;
}

.error-page h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
}

/* Service detail */
.detail-hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  align-items: start;
  padding: 2.5rem 0 1rem;
}

.detail-hero img {
  width: 100%;
  height: 360px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid rgba(26, 42, 74, 0.15);
}

.detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  color: var(--color-muted);
  font-size: 0.95rem;
  margin: 1rem 0 1.5rem;
}

.detail-sections h2 {
  margin-top: 2rem;
}

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

/* Post */
.post-header {
  padding: 2.5rem 0 1rem;
  max-width: 44rem;
}

.post-cover {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  border-radius: var(--radius);
  margin: 1rem 0 2rem;
  border: 1px solid rgba(26, 42, 74, 0.15);
}