:root {
  --color-cream: #f6f2e9;
  --color-paper: #fbf9f4;
  --color-olive: #5c6338;
  --color-olive-dark: #3d4225;
  --color-earth: #b3814f;
  --color-earth-light: #e4cfae;
  --color-charcoal: #2a271f;
  --color-line: #ddd2b8;
  --font-display: "Cormorant Garamond", "Noto Serif TC", serif;
  --font-serif: "Noto Serif TC", serif;
  --font-body: "Noto Sans TC", -apple-system, sans-serif;
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-cream);
  color: var(--color-charcoal);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 28px;
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(246, 242, 233, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--color-line);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}

.brand {
  font-family: var(--font-display);
  font-size: 1.6rem;
  letter-spacing: 0.04em;
  font-weight: 600;
  text-decoration: none;
  color: var(--color-olive-dark);
}

.brand small {
  display: block;
  font-family: var(--font-body);
  font-size: 0.62rem;
  letter-spacing: 0.35em;
  font-weight: 500;
  color: var(--color-earth);
  text-transform: uppercase;
  margin-top: 2px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 36px;
}

.main-nav a {
  text-decoration: none;
  font-size: 0.92rem;
  letter-spacing: 0.06em;
  color: var(--color-charcoal);
  position: relative;
  padding-bottom: 4px;
}

.main-nav a.active,
.main-nav a:hover {
  color: var(--color-olive-dark);
}

.main-nav a.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 1px;
  background: var(--color-earth);
}

.nav-cta {
  border: 1px solid var(--color-olive-dark);
  padding: 8px 20px !important;
  border-radius: 999px;
}

.nav-cta:hover {
  background: var(--color-olive-dark);
  color: var(--color-paper) !important;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--color-charcoal);
  margin: 5px 0;
}

/* ---------- Hero ---------- */

.hero {
  padding: 96px 0 80px;
  border-bottom: 1px solid var(--color-line);
}

.hero .container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}

.eyebrow {
  font-size: 0.78rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-earth);
  margin: 0 0 20px;
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.4rem, 4.2vw, 3.6rem);
  line-height: 1.2;
  margin: 0 0 28px;
  color: var(--color-olive-dark);
}

.hero p.lead {
  font-size: 1.08rem;
  color: #4a4737;
  max-width: 46ch;
  margin: 0 0 36px;
}

.hero-visual {
  aspect-ratio: 4 / 5;
  background: linear-gradient(155deg, var(--color-earth-light), var(--color-cream) 60%, var(--color-olive) 140%);
  border: 1px solid var(--color-line);
  border-radius: 4px;
  position: relative;
  overflow: hidden;
}

.hero-visual::after {
  content: "photo placeholder";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-style: italic;
  color: rgba(61, 66, 37, 0.45);
  font-size: 0.95rem;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 30px;
  border-radius: 999px;
  text-decoration: none;
  font-size: 0.92rem;
  letter-spacing: 0.05em;
  border: 1px solid var(--color-olive-dark);
  cursor: pointer;
  font-family: var(--font-body);
  transition: background 0.2s ease, color 0.2s ease;
}

.btn-primary {
  background: var(--color-olive-dark);
  color: var(--color-paper);
}

.btn-primary:hover {
  background: var(--color-olive);
}

.btn-outline {
  background: transparent;
  color: var(--color-olive-dark);
}

.btn-outline:hover {
  background: var(--color-olive-dark);
  color: var(--color-paper);
}

/* ---------- Sections ---------- */

section {
  padding: 88px 0;
}

section + section {
  border-top: 1px solid var(--color-line);
}

.section-head {
  max-width: 640px;
  margin: 0 0 56px;
}

.section-head .eyebrow {
  margin-bottom: 14px;
}

.section-head h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.9rem, 3vw, 2.6rem);
  margin: 0 0 18px;
  color: var(--color-olive-dark);
}

.section-head p {
  color: #4a4737;
  margin: 0;
}

/* ---------- Pain points ---------- */

.pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.pain-card {
  background: var(--color-paper);
  border: 1px solid var(--color-line);
  padding: 32px 28px;
}

.pain-card .num {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--color-earth);
  display: block;
  margin-bottom: 16px;
}

.pain-card h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  margin: 0 0 12px;
  color: var(--color-olive-dark);
}

.pain-card p {
  margin: 0;
  font-size: 0.95rem;
  color: #55523f;
}

/* ---------- Service list ---------- */

.service-list {
  display: flex;
  flex-direction: column;
}

.service-row {
  display: grid;
  grid-template-columns: 100px 1fr 1.3fr;
  gap: 40px;
  padding: 40px 0;
  border-top: 1px solid var(--color-line);
  align-items: start;
}

.service-row:last-child {
  border-bottom: 1px solid var(--color-line);
}

.service-row .index {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--color-earth);
}

.service-row h3 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  margin: 0;
  color: var(--color-olive-dark);
}

.service-row p {
  margin: 0;
  color: #4a4737;
}

.service-row ul {
  margin: 14px 0 0;
  padding-left: 18px;
  color: #55523f;
  font-size: 0.94rem;
}

/* ---------- Product / cards grid ---------- */

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.product-card {
  background: var(--color-paper);
  border: 1px solid var(--color-line);
}

.product-card .thumb {
  aspect-ratio: 4/3;
  background: repeating-linear-gradient(
    135deg,
    var(--color-earth-light),
    var(--color-earth-light) 10px,
    var(--color-cream) 10px,
    var(--color-cream) 20px
  );
  position: relative;
}

.product-card .thumb::after {
  content: "photo";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  color: rgba(61, 66, 37, 0.5);
  background: rgba(251, 249, 244, 0.55);
}

.product-card .body {
  padding: 26px 24px 30px;
}

.product-card h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  margin: 0 0 10px;
  color: var(--color-olive-dark);
}

.product-card p {
  margin: 0;
  font-size: 0.92rem;
  color: #55523f;
}

.product-card .body ul {
  margin: 14px 0 0;
  padding-left: 18px;
  font-size: 0.85rem;
  color: #6b6852;
}

.product-card .body ul li {
  margin-bottom: 4px;
}

.tag {
  display: inline-block;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-olive);
  border: 1px solid var(--color-olive);
  border-radius: 999px;
  padding: 3px 12px;
  margin-bottom: 14px;
}

/* ---------- Process strip ---------- */

.process-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}

.process-step {
  border-left: 1px solid var(--color-earth);
  padding-left: 20px;
}

.process-step .step-no {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--color-earth);
  display: block;
  margin-bottom: 10px;
}

.process-step h4 {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  margin: 0 0 8px;
  color: var(--color-olive-dark);
}

.process-step p {
  margin: 0;
  font-size: 0.9rem;
  color: #55523f;
}

/* ---------- Contact / booking ---------- */

.contact-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
}

.contact-info dl {
  margin: 28px 0 0;
}

.contact-info dt {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-earth);
  margin-top: 22px;
}

.contact-info dd {
  margin: 6px 0 0;
  font-size: 1rem;
}

.map-frame {
  margin-top: 32px;
  border: 1px solid var(--color-line);
  aspect-ratio: 16/10;
  overflow: hidden;
}

.map-frame iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.booking-form {
  background: var(--color-paper);
  border: 1px solid var(--color-line);
  padding: 40px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.field label {
  font-size: 0.82rem;
  letter-spacing: 0.03em;
  color: var(--color-olive-dark);
}

.field label .req {
  color: var(--color-earth);
}

.field input,
.field select,
.field textarea {
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 12px 14px;
  border: 1px solid var(--color-line);
  background: var(--color-paper);
  color: var(--color-charcoal);
  border-radius: 2px;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--color-olive);
}

.field textarea {
  resize: vertical;
  min-height: 110px;
}

.form-note {
  font-size: 0.82rem;
  color: #77735c;
  margin: 0 0 24px;
}

.form-feedback {
  margin-top: 18px;
  font-size: 0.9rem;
}

.form-feedback.error {
  color: #a3402c;
}

.booking-confirm {
  text-align: center;
  padding: 30px 10px;
}

.booking-confirm .icon {
  font-family: var(--font-display);
  font-size: 2.4rem;
  color: var(--color-olive);
  display: block;
  margin-bottom: 14px;
}

.booking-confirm h3 {
  font-family: var(--font-serif);
  color: var(--color-olive-dark);
  margin: 0 0 10px;
}

.booking-confirm p {
  color: #55523f;
  margin: 0;
}

.hidden {
  display: none !important;
}

/* ---------- CTA band ---------- */

.cta-band {
  background: var(--color-olive-dark);
  color: var(--color-paper);
  text-align: center;
}

.cta-band h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin: 0 0 20px;
  color: var(--color-earth-light);
}

.cta-band p {
  margin: 0 0 32px;
  color: rgba(251, 249, 244, 0.85);
}

.cta-band .btn-outline {
  border-color: var(--color-earth-light);
  color: var(--color-earth-light);
}

.cta-band .btn-outline:hover {
  background: var(--color-earth-light);
  color: var(--color-olive-dark);
}

/* ---------- Footer ---------- */

.site-footer {
  background: var(--color-olive-dark);
  color: rgba(251, 249, 244, 0.75);
  padding: 56px 0 32px;
}

.site-footer .container {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
}

.site-footer .brand {
  color: var(--color-paper);
}

.site-footer .brand small {
  color: var(--color-earth-light);
}

.site-footer p {
  font-size: 0.9rem;
  line-height: 1.7;
  max-width: 34ch;
}

.footer-col h5 {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-earth-light);
  margin: 0 0 16px;
}

.footer-col a {
  display: block;
  text-decoration: none;
  font-size: 0.92rem;
  color: rgba(251, 249, 244, 0.85);
  margin-bottom: 10px;
}

.footer-col a:hover {
  color: var(--color-paper);
}

.footer-bottom {
  max-width: var(--max-width);
  margin: 40px auto 0;
  padding: 20px 28px 0;
  border-top: 1px solid rgba(251, 249, 244, 0.15);
  font-size: 0.78rem;
  color: rgba(251, 249, 244, 0.55);
}

/* ---------- Page header (inner pages) ---------- */

.page-header {
  padding: 64px 0 56px;
  border-bottom: 1px solid var(--color-line);
}

.page-header .eyebrow {
  margin-bottom: 16px;
}

.page-header h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.1rem, 3.6vw, 3rem);
  margin: 0 0 18px;
  color: var(--color-olive-dark);
}

.page-header p {
  max-width: 56ch;
  color: #4a4737;
  margin: 0;
}

/* ---------- Responsive ---------- */

@media (max-width: 960px) {
  .hero .container {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    order: -1;
    aspect-ratio: 16/9;
  }

  .pain-grid,
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .process-strip {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }

  .contact-layout {
    grid-template-columns: 1fr;
  }

  .site-footer .container {
    grid-template-columns: 1fr 1fr;
  }
}

/* ---------- Language switcher ---------- */

.lang-switch {
  position: relative;
}

.lang-switch summary {
  list-style: none;
  cursor: pointer;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  border: 1px solid var(--color-line);
  padding: 7px 16px;
  border-radius: 999px;
  color: var(--color-olive-dark);
  white-space: nowrap;
}

.lang-switch summary::-webkit-details-marker,
.lang-switch summary::marker {
  display: none;
  content: "";
}

.lang-switch[open] summary {
  border-color: var(--color-olive);
}

.lang-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  background: var(--color-paper);
  border: 1px solid var(--color-line);
  min-width: 150px;
  box-shadow: 0 12px 28px rgba(42, 39, 31, 0.12);
  z-index: 60;
}

.lang-menu a {
  display: block;
  padding: 11px 18px;
  font-size: 0.86rem;
  text-decoration: none;
  color: var(--color-charcoal);
}

.lang-menu a:hover {
  background: var(--color-cream);
}

.lang-menu a.active {
  color: var(--color-olive-dark);
  font-weight: 600;
}

/* ---------- Timeline (about page) ---------- */

.timeline {
  display: flex;
  flex-direction: column;
}

.timeline-row {
  display: grid;
  grid-template-columns: 170px 1fr;
  gap: 24px;
  padding: 24px 0;
  border-top: 1px solid var(--color-line);
  align-items: baseline;
}

.timeline-row:last-child {
  border-bottom: 1px solid var(--color-line);
}

.timeline-year {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--color-earth);
}

.timeline-row p {
  margin: 0;
  color: #4a4737;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.bio-lead {
  max-width: 72ch;
  color: #4a4737;
  font-size: 1.02rem;
}

@media (max-width: 720px) {
  .main-nav {
    position: fixed;
    inset: 84px 0 0 0;
    background: var(--color-cream);
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    padding: 40px 28px;
    gap: 24px;
    transform: translateX(100%);
    transition: transform 0.25s ease;
  }

  .main-nav.open {
    transform: translateX(0);
  }

  .nav-toggle {
    display: block;
  }

  .service-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .service-row .index {
    display: none;
  }

  .pain-grid,
  .card-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .site-footer .container {
    grid-template-columns: 1fr;
  }

  .timeline-row {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }

  .lang-switch {
    order: -1;
  }

  .lang-menu {
    position: static;
    box-shadow: none;
    border: none;
    padding: 0;
    margin-top: 12px;
  }

  .lang-menu a {
    padding: 8px 0;
  }
}