:root {
  --color-chalk: #f7f5f1;
  --color-ivory: #f3eee6;
  --color-sand: #d4c4a8;
  --color-teal: #5f9e8f;
  --color-teal-deep: #4a8578;
  --color-navy: #1b2a4a;
  --color-navy-soft: #2c3e5f;
  --color-coral: #e07a5f;
  --color-text: #243044;
  --color-muted: #5a6578;
  --color-white: #ffffff;
  --font-serif: "Noto Serif TC", "Songti TC", serif;
  --font-sans: "Noto Sans TC", "PingFang TC", sans-serif;
  --radius: 12px;
  --radius-pill: 999px;
  --shadow-bloom: 0 10px 28px rgba(27, 42, 74, 0.14);
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.75rem;
  --space-lg: 3rem;
  --space-xl: 5rem;
  --max: 1120px;
  --header-h: 4rem;
}

*,
*::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(95, 158, 143, 0.12), transparent 42%),
    radial-gradient(ellipse at 88% 8%, rgba(224, 122, 95, 0.08), transparent 38%),
    linear-gradient(180deg, var(--color-chalk) 0%, #eef3ef 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: 0.18em;
}

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

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 650;
  line-height: 1.28;
  color: var(--color-navy);
  margin: 0 0 var(--space-sm);
}

h1 { font-size: clamp(2rem, 4.5vw, 3.25rem); }
h2 { font-size: clamp(1.55rem, 3vw, 2.2rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 var(--space-sm); }

.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: 0.72rem 1.45rem;
  border-radius: var(--radius-pill);
  border: 1.5px solid transparent;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.35s ease, box-shadow 0.35s ease, background 0.25s ease;
}

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

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

.btn--ghost {
  background: transparent;
  color: var(--color-navy);
  border-color: var(--color-navy);
}

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

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

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(247, 245, 241, 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% - 2rem, var(--max));
  margin-inline: auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
  color: var(--color-navy);
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.01em;
}

.site-header__mark {
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  background: var(--color-coral);
  box-shadow: 0 0 0 3px rgba(95, 158, 143, 0.35);
}

.site-header__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.15rem 1.05rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-header__list a {
  text-decoration: none;
  color: var(--color-navy-soft);
  font-size: 0.88rem;
  font-weight: 500;
}

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

.site-header__toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid rgba(27, 42, 74, 0.2);
  border-radius: 8px;
  background: transparent;
  padding: 0.55rem;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
}

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

@media (max-width: 920px) {
  .site-header__toggle { display: flex; }
  .site-header__nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: rgba(247, 245, 241, 0.97);
    border-bottom: 1px solid rgba(27, 42, 74, 0.1);
    padding: 1rem 1.25rem 1.25rem;
    display: none;
  }
  .site-header__nav.is-open { display: block; }
  .site-header__list {
    flex-direction: column;
    gap: 0.85rem;
  }
}

/* Footer */
.site-footer {
  margin-top: var(--space-xl);
  background: var(--color-navy);
  color: rgba(247, 245, 241, 0.88);
}

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

.site-footer__inner {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
  padding: var(--space-lg) 0 var(--space-md);
  display: grid;
  grid-template-columns: 1.2fr 1.4fr 0.9fr;
  gap: var(--space-md);
}

.site-footer__headline {
  color: var(--color-chalk);
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
}

.site-footer a {
  color: rgba(247, 245, 241, 0.82);
  text-decoration: none;
}

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

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

.site-footer__col h3,
.site-footer__contact h3 {
  color: var(--color-sand);
  font-size: 0.95rem;
  letter-spacing: 0.04em;
}

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

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

.site-footer__social {
  display: flex;
  gap: 0.6rem;
  margin-top: 0.75rem;
}

.site-footer__social-link {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  border: 1px solid rgba(247, 245, 241, 0.3);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  opacity: 0.75;
}

.site-footer__base {
  border-top: 1px solid rgba(247, 245, 241, 0.12);
  padding: 1rem 0 1.4rem;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(247, 245, 241, 0.55);
}

@media (max-width: 900px) {
  .site-footer__inner {
    grid-template-columns: 1fr;
  }
  .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: 640px;
  margin-inline: auto;
}

.cookie-banner__inner {
  background: var(--color-ivory);
  border: 1.5px solid var(--color-navy);
  border-radius: var(--radius);
  padding: 1.1rem 1.25rem;
  box-shadow: var(--shadow-bloom);
  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__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.85rem;
}

.cookie-banner[hidden] { display: none; }

/* Cards */
.card {
  background: var(--color-ivory);
  border: 1.5px solid var(--color-navy);
  border-radius: var(--radius);
  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");
}

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

.card__media {
  aspect-ratio: 3 / 2;
  object-fit: cover;
  width: 100%;
}

.card__meta {
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-bottom: 0.35rem;
}

/* Motion */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.9s ease, transform 0.9s ease;
}

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

.stagger > .reveal:nth-child(2) { transition-delay: 0.12s; }
.stagger > .reveal:nth-child(3) { transition-delay: 0.22s; }
.stagger > .reveal:nth-child(4) { transition-delay: 0.32s; }

.parallax-img {
  will-change: transform;
  transition: transform 0.1s linear;
}

/* Sections */
.section {
  padding: var(--space-lg) 0;
}

.section--tight {
  padding: var(--space-md) 0;
}

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-teal-deep);
  margin-bottom: 0.6rem;
  font-weight: 600;
}

.lede {
  font-size: 1.12rem;
  color: var(--color-muted);
  max-width: 38rem;
}

/* Home hero — asymmetric split */
.hero {
  padding: var(--space-lg) 0 var(--space-md);
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: end;
}

.hero__brand {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  line-height: 1.12;
  color: var(--color-navy);
  margin: 0 0 1rem;
}

.hero__kicker {
  font-size: 1.05rem;
  color: var(--color-muted);
  max-width: 28rem;
  margin-bottom: 1.5rem;
}

.hero__visual {
  position: relative;
  min-height: 380px;
}

.hero__visual img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1.5px solid var(--color-navy);
}

.hero__layer {
  position: absolute;
  width: 58%;
  height: 210px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1.5px solid var(--color-navy);
  bottom: -1.5rem;
  left: -1.5rem;
  box-shadow: var(--shadow-bloom);
}

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

@media (max-width: 800px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__layer { display: none; }
  .hero__visual img { height: 280px; }
}

/* Offer strip */
.offer-preview {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

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

.flagship-band {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
  padding: 2rem;
  background: var(--color-ivory);
  border: 1.5px solid var(--color-navy);
  border-radius: var(--radius);
}

.flagship-band img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  border-radius: calc(var(--radius) - 4px);
}

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

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

.quote-item {
  padding: 1.5rem 0;
  border-top: 1px solid rgba(27, 42, 74, 0.15);
}

.quote-item:last-child {
  border-bottom: 1px solid rgba(27, 42, 74, 0.15);
}

.quote-item blockquote {
  margin: 0 0 0.75rem;
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--color-navy);
}

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

/* Page hero */
.page-hero {
  padding: var(--space-lg) 0 var(--space-md);
}

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

.page-hero--split img {
  width: 100%;
  height: 340px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1.5px solid var(--color-navy);
}

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

.prose {
  max-width: 42rem;
}

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

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

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

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

@media (max-width: 800px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

/* Pricing */
.rate-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-ivory);
  border: 1.5px solid var(--color-navy);
  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(27, 42, 74, 0.12);
}

.rate-table th {
  background: rgba(27, 42, 74, 0.06);
  font-family: var(--font-serif);
  color: var(--color-navy);
}

.rate-note {
  margin-top: 1rem;
  color: var(--color-muted);
  font-size: 0.95rem;
}

/* Schedule */
.schedule-month {
  margin-bottom: 2rem;
}

.schedule-item {
  display: grid;
  grid-template-columns: 7rem 1fr auto;
  gap: 1rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid rgba(27, 42, 74, 0.12);
  align-items: start;
}

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

.schedule-item__type {
  font-size: 0.8rem;
  color: var(--color-coral);
  font-weight: 600;
  letter-spacing: 0.04em;
}

@media (max-width: 700px) {
  .schedule-item {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }
}

/* Forms */
.form {
  max-width: 36rem;
  display: grid;
  gap: 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: 1.5px solid var(--color-navy);
  border-radius: 8px;
  background: var(--color-white);
  font-family: inherit;
  font-size: 1rem;
}

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

.form__error {
  color: #a33b2a;
  font-size: 0.88rem;
  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: #a33b2a;
}

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

.form__status.is-success {
  display: block;
  background: rgba(95, 158, 143, 0.2);
  border: 1px solid var(--color-teal);
  color: var(--color-navy);
}

.form__status.is-error {
  display: block;
  background: rgba(224, 122, 95, 0.18);
  border: 1px solid var(--color-coral);
  color: #7a3424;
}

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

.contact-layout {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 2rem;
  align-items: start;
}

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

/* Legal */
.legal h2 {
  margin-top: 2rem;
}

.cookies-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  margin: 1rem 0 1.5rem;
}

.cookies-table th,
.cookies-table td {
  border: 1px solid rgba(27, 42, 74, 0.2);
  padding: 0.65rem 0.75rem;
  text-align: left;
  vertical-align: top;
}

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

/* 404 */
.error-page {
  min-height: 50vh;
  display: grid;
  place-content: center;
  text-align: center;
  padding: var(--space-xl) 1rem;
}

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

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

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

.detail-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 1.5rem 0;
}

.detail-meta dt {
  font-weight: 600;
  color: var(--color-navy);
  font-size: 0.9rem;
}

.detail-meta dd {
  margin: 0.15rem 0 0.75rem;
  color: var(--color-muted);
}

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

.stack-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
  counter-reset: step;
}

.stack-list li {
  counter-increment: step;
  padding: 0.85rem 0 0.85rem 2.5rem;
  position: relative;
  border-bottom: 1px solid rgba(27, 42, 74, 0.1);
}

.stack-list li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0.85rem;
  width: 1.7rem;
  height: 1.7rem;
  border-radius: 50%;
  background: var(--color-teal);
  color: white;
  font-size: 0.85rem;
  display: grid;
  place-items: center;
  font-weight: 600;
}

.story-block {
  margin: 2rem 0;
  padding: 1.75rem;
  background: var(--color-ivory);
  border: 1.5px solid var(--color-navy);
  border-radius: var(--radius);
}

.blog-list {
  display: grid;
  gap: 1.5rem;
}

.blog-item {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 1.25rem;
  align-items: center;
}

.blog-item img {
  width: 100%;
  height: 150px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1.5px solid var(--color-navy);
}

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

.post-cover {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1.5px solid var(--color-navy);
  margin: 1.25rem 0 1.75rem;
}