/* Miyo Design — premium design-firm stylesheet */
:root {
  --ink: #1a1816;
  --ink-soft: #3d3833;
  --muted: #6b645c;
  --line: #e4ddd3;
  --cream: #f7f4ef;
  --paper: #fffcf8;
  --stone: #ebe5db;
  --accent: #9a6b3f;
  --accent-dark: #7a5230;
  --accent-soft: #c4a484;
  --white: #ffffff;
  --shadow: 0 20px 60px rgba(26, 24, 22, 0.08);
  --shadow-sm: 0 8px 24px rgba(26, 24, 22, 0.06);
  --radius: 14px;
  --header-h: 76px;
  --font-display: "Cormorant Garamond", "Noto Serif TC", Georgia, serif;
  --font-sans: "Inter", "Noto Sans TC", system-ui, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --max: 1180px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
ul { padding-left: 1.2em; }
.container { width: min(100% - 2.5rem, var(--max)); margin-inline: auto; }
.container-wide { width: min(100% - 2.5rem, 1320px); margin-inline: auto; }

/* Typography */
.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 0.85rem;
}
h1, h2, h3, .display {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0 0 0.75rem;
}
h1 { font-size: clamp(2.4rem, 5vw, 4.2rem); }
h2 { font-size: clamp(1.9rem, 3.5vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.55rem); }
.lead { font-size: 1.125rem; color: var(--ink-soft); max-width: 42rem; }
.muted { color: var(--muted); }
.text-center { text-align: center; }
.text-center .lead { margin-inline: auto; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.95rem 1.55rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  transition: transform 0.25s var(--ease), background 0.25s, color 0.25s, border-color 0.25s, box-shadow 0.25s;
  cursor: pointer;
  text-align: center;
}
.btn:hover { transform: translateY(-1px); }
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.btn-primary { background: var(--ink); color: var(--paper); }
.btn-primary:hover { background: var(--accent-dark); }
.btn-secondary { background: transparent; border-color: var(--ink); color: var(--ink); }
.btn-secondary:hover { background: var(--ink); color: var(--paper); }
.btn-ghost { background: rgba(255,255,255,0.12); color: var(--paper); border-color: rgba(255,255,255,0.35); backdrop-filter: blur(8px); }
.btn-ghost:hover { background: var(--paper); color: var(--ink); }
.btn-accent { background: var(--accent); color: var(--white); }
.btn-accent:hover { background: var(--accent-dark); }
.btn-row { display: flex; flex-wrap: wrap; gap: 0.85rem; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(255, 252, 248, 0.86);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.site-header.scrolled {
  border-bottom-color: var(--line);
  box-shadow: 0 4px 24px rgba(26,24,22,0.04);
}
.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.logo {
  display: flex;
  flex-direction: column;
  gap: 0.05rem;
  min-width: 0;
}
.logo-mark {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1.1;
}
.logo-sub {
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.nav-desktop {
  display: none;
  align-items: center;
  gap: 1.55rem;
}
.nav-desktop a {
  font-size: 0.92rem;
  color: var(--ink-soft);
  position: relative;
  padding: 0.25rem 0;
}
.nav-desktop a:hover,
.nav-desktop a.active { color: var(--ink); }
.nav-desktop a.active::after,
.nav-desktop a:hover::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 1px;
  background: var(--accent);
}
.header-actions { display: flex; align-items: center; gap: 0.65rem; }
.lang-switch {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 999px;
  overflow: hidden;
  background: var(--cream);
}
.lang-switch a, .lang-switch button {
  border: 0;
  background: transparent;
  padding: 0.4rem 0.7rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  color: var(--muted);
}
.lang-switch a.active, .lang-switch button.active {
  background: var(--ink);
  color: var(--paper);
}
.menu-toggle {
  display: inline-flex;
  width: 44px; height: 44px;
  align-items: center; justify-content: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--paper);
  cursor: pointer;
}
.menu-toggle span {
  display: block; width: 16px; height: 1.5px; background: var(--ink);
  position: relative;
}
.menu-toggle span::before, .menu-toggle span::after {
  content: ""; position: absolute; left: 0; width: 16px; height: 1.5px; background: var(--ink);
}
.menu-toggle span::before { top: -5px; }
.menu-toggle span::after { top: 5px; }
.nav-mobile {
  display: none;
  position: fixed;
  inset: var(--header-h) 0 0 0;
  background: var(--paper);
  padding: 1.5rem;
  z-index: 99;
  flex-direction: column;
  gap: 0.25rem;
  overflow-y: auto;
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  padding: 1rem 0.5rem;
  font-size: 1.2rem;
  font-family: var(--font-display);
  border-bottom: 1px solid var(--line);
}
.nav-mobile .btn { margin-top: 1.25rem; }

@media (min-width: 960px) {
  .nav-desktop { display: flex; }
  .menu-toggle { display: none; }
  .header-actions .btn-cta-header { display: inline-flex; }
}
.btn-cta-header { display: none; padding: 0.65rem 1.1rem; font-size: 0.85rem; }

/* Hero */
.hero {
  position: relative;
  min-height: min(92vh, 820px);
  display: grid;
  align-items: end;
  color: var(--paper);
  overflow: hidden;
}
.hero-media {
  position: absolute; inset: 0;
  background: var(--ink) center/cover no-repeat;
}
.hero-media::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(26,24,22,0.25) 0%, rgba(26,24,22,0.55) 45%, rgba(26,24,22,0.82) 100%);
}
.hero-content {
  position: relative;
  z-index: 1;
  padding: 4.5rem 0 4rem;
  max-width: 720px;
}
.hero .lead { color: rgba(255,252,248,0.86); }
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 1rem;
  margin-top: 2.5rem;
  padding-top: 1.75rem;
  border-top: 1px solid rgba(255,255,255,0.2);
  max-width: 520px;
}
.hero-stats strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.85rem;
  font-weight: 500;
}
.hero-stats span { font-size: 0.82rem; color: rgba(255,252,248,0.7); }

/* Sections */
.section { padding: 5rem 0; }
.section-sm { padding: 3.5rem 0; }
.section-cream { background: var(--cream); }
.section-ink { background: var(--ink); color: var(--paper); }
.section-ink .muted, .section-ink .lead { color: rgba(255,252,248,0.72); }
.section-head { margin-bottom: 2.5rem; max-width: 640px; }
.section-head.center { margin-inline: auto; text-align: center; }

/* Cards / grids */
.grid-2 { display: grid; gap: 1.5rem; }
.grid-3 { display: grid; gap: 1.5rem; }
.grid-4 { display: grid; gap: 1.25rem; }
@media (min-width: 700px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 980px) {
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card-body { padding: 1.4rem 1.45rem 1.6rem; }
.card-media {
  aspect-ratio: 4/3;
  background: var(--stone) center/cover no-repeat;
}
.card-meta { font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); margin-bottom: 0.45rem; }
.service-card { padding: 1.75rem; }
.service-num {
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--accent-soft);
  margin-bottom: 0.85rem;
}
.service-card p { color: var(--muted); margin: 0.5rem 0 0; font-size: 0.95rem; }

/* Split */
.split {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}
@media (min-width: 900px) {
  .split { grid-template-columns: 1.05fr 0.95fr; gap: 4rem; }
  .split.reverse { grid-template-columns: 0.95fr 1.05fr; }
  .split.reverse > :first-child { order: 2; }
}
.split-media {
  border-radius: calc(var(--radius) + 4px);
  overflow: hidden;
  aspect-ratio: 4/5;
  background: var(--stone) center/cover no-repeat;
  box-shadow: var(--shadow);
}
@media (min-width: 900px) {
  .split-media { aspect-ratio: 5/6; min-height: 520px; }
}

/* Process */
.process-list { display: grid; gap: 0; }
.process-item {
  display: grid;
  gap: 1rem;
  padding: 1.75rem 0;
  border-top: 1px solid var(--line);
}
.process-item:last-child { border-bottom: 1px solid var(--line); }
@media (min-width: 760px) {
  .process-item { grid-template-columns: 90px 1fr 180px; align-items: start; gap: 2rem; }
}
.process-step {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--accent);
  line-height: 1;
}
.process-time { color: var(--muted); font-size: 0.9rem; }

/* Why / features */
.feature {
  padding: 1.5rem;
  border-radius: var(--radius);
  background: var(--paper);
  border: 1px solid var(--line);
}
.feature h3 { margin-bottom: 0.4rem; }
.feature p { margin: 0; color: var(--muted); font-size: 0.95rem; }

/* Testimonials */
.quote-card {
  padding: 2rem;
  background: var(--paper);
  border-radius: var(--radius);
  border: 1px solid var(--line);
  height: 100%;
}
.quote-card blockquote {
  margin: 0 0 1.25rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  line-height: 1.4;
  color: var(--ink);
}
.quote-card cite {
  font-style: normal;
  font-size: 0.9rem;
  color: var(--muted);
}

/* FAQ */
.faq-item {
  border-bottom: 1px solid var(--line);
}
.faq-q {
  width: 100%;
  text-align: left;
  background: none;
  border: 0;
  padding: 1.25rem 2rem 1.25rem 0;
  font-size: 1.05rem;
  font-weight: 500;
  cursor: pointer;
  position: relative;
  color: var(--ink);
}
.faq-q::after {
  content: "+";
  position: absolute;
  right: 0; top: 50%;
  transform: translateY(-50%);
  font-size: 1.35rem;
  color: var(--accent);
}
.faq-item.open .faq-q::after { content: "–"; }
.faq-a {
  display: none;
  padding: 0 0 1.35rem;
  color: var(--muted);
  max-width: 48rem;
}
.faq-item.open .faq-a { display: block; }

/* Contact form */
.form-grid {
  display: grid;
  gap: 1rem;
}
@media (min-width: 700px) {
  .form-grid.two { grid-template-columns: 1fr 1fr; }
}
.field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 0.4rem;
}
.field input, .field select, .field textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--paper);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(154,107,63,0.15);
}
.field textarea { min-height: 140px; resize: vertical; }
.form-note { font-size: 0.85rem; color: var(--muted); margin-top: 0.75rem; }
.form-success {
  display: none;
  padding: 1.5rem;
  border-radius: var(--radius);
  background: #eef6ea;
  border: 1px solid #c5dfb8;
  color: #2f5a24;
}
.form-success.show { display: block; }
.contact-aside {
  padding: 1.75rem;
  background: var(--cream);
  border-radius: var(--radius);
  border: 1px solid var(--line);
}
.contact-aside h3 { margin-bottom: 1rem; }
.contact-list { list-style: none; padding: 0; margin: 0; }
.contact-list li {
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.95rem;
}
.contact-list li:last-child { border-bottom: 0; }
.contact-list strong { display: block; font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); margin-bottom: 0.25rem; }
.placeholder-tag {
  display: inline-block;
  margin-left: 0.35rem;
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
  background: #fff3cd;
  color: #7a5b00;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* Page hero (inner) */
.page-hero {
  padding: 3.5rem 0 2.5rem;
  background: var(--cream);
  border-bottom: 1px solid var(--line);
}
.page-hero h1 { margin-bottom: 0.75rem; }
.breadcrumb {
  display: flex; flex-wrap: wrap; gap: 0.4rem;
  font-size: 0.85rem; color: var(--muted); margin-bottom: 1rem;
}
.breadcrumb a:hover { color: var(--accent); }

/* Project detail */
.project-hero {
  min-height: 52vh;
  background: var(--ink) center/cover no-repeat;
  position: relative;
  display: flex; align-items: flex-end;
  color: var(--paper);
}
.project-hero::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(transparent, rgba(26,24,22,0.78));
}
.project-hero-content { position: relative; z-index: 1; padding: 3rem 0; }
.meta-row {
  display: flex; flex-wrap: wrap; gap: 1.5rem;
  margin: 2rem 0;
  padding: 1.25rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.meta-row div strong {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.25rem;
}
.gallery {
  display: grid;
  gap: 1rem;
}
@media (min-width: 800px) {
  .gallery { grid-template-columns: 1.2fr 1fr 1fr; }
  .gallery img:first-child { grid-row: span 2; height: 100%; object-fit: cover; }
}
.gallery img {
  width: 100%;
  border-radius: var(--radius);
  aspect-ratio: 4/3;
  object-fit: cover;
}
.photo-strip {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
  margin-top: 1.5rem;
}
@media (min-width: 700px) {
  .photo-strip { grid-template-columns: repeat(3, 1fr); }
}
.photo-strip.cols-2 { grid-template-columns: 1fr; }
@media (min-width: 700px) {
  .photo-strip.cols-2 { grid-template-columns: repeat(2, 1fr); }
}
.photo-strip img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: var(--radius);
}

/* CTA band */
.cta-band {
  padding: 4rem 0;
  background:
    linear-gradient(120deg, rgba(26,24,22,0.88), rgba(122,82,48,0.75)),
    var(--ink) center/cover no-repeat;
  color: var(--paper);
  text-align: center;
}
.cta-band .lead { color: rgba(255,252,248,0.82); margin-inline: auto; }

/* Footer */
.site-footer {
  background: #141210;
  color: rgba(255,252,248,0.78);
  padding: 4rem 0 2rem;
  font-size: 0.92rem;
}
.footer-grid {
  display: grid;
  gap: 2rem;
  margin-bottom: 3rem;
}
@media (min-width: 800px) {
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; }
}
.site-footer a:hover { color: var(--accent-soft); }
.site-footer h4 {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper);
  margin: 0 0 1rem;
}
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 0.55rem; }
.footer-brand .logo-mark { color: var(--paper); font-size: 1.5rem; }
.footer-bottom {
  display: flex; flex-wrap: wrap; gap: 1rem;
  justify-content: space-between;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.82rem;
  color: rgba(255,252,248,0.5);
}

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.visible { opacity: 1; transform: none; }

/* Utilities */
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-0 { margin-bottom: 0; }
.list-check { list-style: none; padding: 0; }
.list-check li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.55rem;
  color: var(--ink-soft);
}
.list-check li::before {
  content: "";
  position: absolute; left: 0; top: 0.55rem;
  width: 0.55rem; height: 0.55rem;
  border-radius: 50%;
  background: var(--accent);
}

.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--ink); color: var(--paper);
  padding: 0.75rem 1rem; z-index: 1000;
}
.skip-link:focus { left: 1rem; top: 1rem; }

@media (max-width: 600px) {
  .hero-stats { grid-template-columns: 1fr; }
  .container, .container-wide { width: min(100% - 1.5rem, var(--max)); }
}


/* Logo branding */
.logo-img {
  display: block;
  height: 64px;
  width: auto;
  object-fit: contain;
}
.logo-link {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
}
.logo-text-stack {
  display: none !important; /* logo image already carries MIYO wordmark */
  flex-direction: column;
  line-height: 1.15;
}
.logo-text-stack .logo-miyo {
  font-family: "Montserrat", "Inter", var(--font-sans);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.12em;
  color: var(--ink);
}
.logo-text-stack .logo-miyo-design {
  font-family: "Montserrat", "Inter", var(--font-sans);
  font-weight: 500;
  font-size: 0.58rem;
  letter-spacing: 0.28em;
  color: var(--ink-soft);
  margin-top: 0.1rem;
}
.footer-logo {
  height: 96px;
  width: auto;
  background: #fff;
  padding: 0.5rem;
  border-radius: 8px;
  margin-bottom: 1rem;
}
.footer-brand .tagline-zh {
  margin: 0.5rem 0 0.25rem;
  color: rgba(255,252,248,0.85);
  font-size: 0.95rem;
}
.footer-brand .company-line {
  margin: 0;
  color: rgba(255,252,248,0.55);
  font-size: 0.85rem;
}

/* Black/white refinements */
:root {
  --accent: #2a2a2a;
  --accent-dark: #000000;
  --accent-soft: #6b6b6b;
}
.nav-desktop a.active::after,
.nav-desktop a:hover::after {
  background: #000;
}
.btn-accent { background: #111; color: #fff; }
.btn-accent:hover { background: #000; }
.card-meta, .eyebrow, .process-step, .contact-list strong, .meta-row div strong {
  color: #444 !important;
}
.faq-q::after { color: #111 !important; }
.list-check li::before { background: #111; }