/* ============================================
   IRO 香色 Iro Parfum — 網站樣式
   ============================================ */
:root {
  --paper: #f6f2ea;
  --paper-deep: #efe9dd;
  --ink: #221e19;
  --muted: #6b6358;
  --gold: #a8895a;
  --gold-dark: #7a6039;
  --line: #e2d9ca;
  --dark: #1c1916;
  --dark-soft: #2a2521;
  --radius: 2px;
  --serif: Georgia, "Noto Serif TC", "Songti TC", serif;
  --sans: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }
[id] { scroll-margin-top: 90px; }

body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.9;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--ink); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--gold-dark); }

.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
.serif { font-family: var(--serif); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(246, 242, 234, 0.92);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 16px;
}
.brand { display: flex; align-items: baseline; gap: 12px; }
.brand .brand-mark {
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.42em;
  margin-right: -0.42em;
}
.brand .brand-sub {
  font-size: 0.68rem;
  letter-spacing: 0.34em;
  color: var(--muted);
  text-transform: uppercase;
}
.main-nav { display: flex; align-items: center; gap: 6px; }
.main-nav a {
  padding: 8px 16px;
  font-size: 0.92rem;
  letter-spacing: 0.18em;
}
.main-nav a.active { color: var(--gold-dark); }
.main-nav a.nav-cta {
  border: 1px solid var(--ink);
  padding: 8px 22px;
  margin-left: 10px;
  letter-spacing: 0.24em;
}
.main-nav a.nav-cta:hover { background: var(--ink); color: var(--paper); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--ink);
}

/* ---------- Hero ---------- */
.hero {
  padding: 110px 0 90px;
  position: relative;
  overflow: hidden;
}
.hero-inner { position: relative; z-index: 1; max-width: 720px; }
.hero .eyebrow {
  letter-spacing: 0.5em;
  font-size: 0.78rem;
  color: var(--gold-dark);
  text-transform: uppercase;
  margin-bottom: 26px;
}
.hero h1 {
  font-family: var(--serif);
  font-size: clamp(2rem, 5.4vw, 3.4rem);
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: 0.1em;
}
.hero p.lead {
  margin-top: 28px;
  font-size: 1.02rem;
  color: var(--muted);
  max-width: 30em;
  letter-spacing: 0.06em;
}
.hero-actions { margin-top: 44px; display: flex; gap: 18px; flex-wrap: wrap; }

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.5;
}
.orb-1 {
  width: 340px; height: 340px;
  right: -40px; top: 40px;
  background: radial-gradient(circle at 35% 30%, #dcc9a8, #b08d5f 60%, #7d5f3a);
}
.orb-2 {
  width: 150px; height: 150px;
  right: 260px; bottom: 10px;
  background: radial-gradient(circle at 40% 30%, #cfd8cb, #8fa08c 60%, #5c7060);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 13px 36px;
  font-size: 0.9rem;
  letter-spacing: 0.3em;
  text-indent: 0.3em;
  border: 1px solid var(--ink);
  transition: all 0.25s;
  cursor: pointer;
  font-family: var(--sans);
  background: none;
  color: var(--ink);
}
.btn:hover { background: var(--ink); color: var(--paper); }
.btn-solid { background: var(--ink); color: var(--paper); }
.btn-solid:hover { background: var(--dark-soft); color: var(--paper); }
.btn-light { border-color: var(--paper); color: var(--paper); }
.btn-light:hover { background: var(--paper); color: var(--ink); }

/* ---------- Sections ---------- */
.section { padding: 90px 0; }
.section.tint { background: var(--paper-deep); }
.section.dark { background: var(--dark); color: var(--paper); }
.section.dark .section-head h2 { color: var(--paper); }
.section.dark p { color: rgba(246, 242, 234, 0.72); }

.section-head { margin-bottom: 56px; }
.section-head .eyebrow {
  letter-spacing: 0.5em;
  font-size: 0.74rem;
  color: var(--gold-dark);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.section-head h2 {
  font-family: var(--serif);
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: 0.16em;
}
.section-head p { color: var(--muted); margin-top: 14px; max-width: 38em; }
.section-head.center { text-align: center; }
.section-head.center p { margin-inline: auto; }
.section-head.center h2 { text-indent: 0.16em; }
.section-head.center .eyebrow, .hero .eyebrow { text-indent: 0.5em; }

/* ---------- Palette dots ---------- */
.palette-dot {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  margin: 0 12px;
}
.palette-dot .dot {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(246, 242, 234, 0.25);
  transition: transform 0.25s ease;
}
.palette-dot:hover .dot { transform: scale(1.12); }
.palette-dot .dot-name {
  font-size: 0.74rem;
  letter-spacing: 0.3em;
  text-indent: 0.3em;
  color: rgba(246, 242, 234, 0.72);
}

/* ---------- Philosophy ---------- */
.phi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 48px; }
.phi h3 {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  margin-bottom: 12px;
}
.phi .num {
  font-family: var(--serif);
  color: var(--gold-dark);
  font-size: 0.85rem;
  letter-spacing: 0.3em;
  display: block;
  margin-bottom: 18px;
}
.phi p { color: var(--muted); font-size: 0.92rem; }

/* ---------- Scent cards ---------- */
.scent-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.scent-card { display: block; }
.scent-card .swatch {
  aspect-ratio: 3 / 4;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 0;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease;
}
.scent-card:hover .swatch { transform: translateY(-6px); }
.scent-card .swatch svg { width: 44%; height: auto; position: relative; z-index: 1; margin-bottom: -2px; }
.scent-card .card-info { padding: 20px 4px 0; }
.scent-card .card-info .no {
  font-family: var(--serif);
  font-size: 0.78rem;
  letter-spacing: 0.34em;
  color: var(--gold-dark);
}
.scent-card h3 {
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  margin-top: 4px;
}
.scent-card .notes {
  font-size: 0.84rem;
  color: var(--muted);
  margin-top: 6px;
  letter-spacing: 0.08em;
}
.scent-card .price {
  font-size: 0.88rem;
  margin-top: 10px;
  letter-spacing: 0.12em;
}

/* ---------- Product detail ---------- */
.product-hero { display: grid; grid-template-columns: 1fr 1fr; min-height: 560px; }
.product-visual {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  overflow: hidden;
}
.product-visual svg { width: 38%; height: auto; margin-bottom: -2px; }
.product-copy { padding: 80px 8% 80px 10%; align-self: center; }
.product-copy .no {
  font-family: var(--serif);
  letter-spacing: 0.4em;
  color: var(--gold-dark);
  font-size: 0.85rem;
}
.product-copy h1 {
  font-family: var(--serif);
  font-size: 2.2rem;
  font-weight: 600;
  letter-spacing: 0.24em;
  margin-top: 10px;
}
.product-copy .en-name {
  letter-spacing: 0.3em;
  color: var(--muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  margin-top: 6px;
}
.product-copy .desc { margin-top: 26px; color: var(--muted); max-width: 30em; }
.product-copy .price-line { margin-top: 26px; font-size: 1.02rem; letter-spacing: 0.14em; }
.product-copy .price-note { font-size: 0.78rem; color: var(--muted); margin-top: 4px; }
.product-copy .actions { margin-top: 34px; display: flex; gap: 14px; flex-wrap: wrap; }

.notes-pyramid { max-width: 640px; margin: 0 auto; }
.note-row {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 24px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}
.note-row .label {
  font-family: var(--serif);
  letter-spacing: 0.24em;
  font-size: 0.95rem;
}
.note-row .label span {
  display: block;
  font-family: var(--sans);
  font-size: 0.7rem;
  letter-spacing: 0.28em;
  color: var(--gold-dark);
  text-transform: uppercase;
  margin-top: 4px;
}
.note-row .value { color: var(--muted); letter-spacing: 0.1em; }

/* ---------- Story ---------- */
.story-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 64px; align-items: center; }
.story-art {
  aspect-ratio: 4 / 5;
  background:
    radial-gradient(circle at 30% 25%, rgba(220, 201, 168, 0.9), transparent 55%),
    radial-gradient(circle at 72% 40%, rgba(143, 160, 140, 0.75), transparent 50%),
    radial-gradient(circle at 45% 78%, rgba(169, 124, 133, 0.7), transparent 55%),
    linear-gradient(160deg, #efe9dd, #d9cfbc);
}

/* ---------- Steps ---------- */
.order-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.order-steps .step .num {
  font-family: var(--serif);
  font-size: 2rem;
  color: var(--gold-dark);
  line-height: 1;
  margin-bottom: 14px;
}
.order-steps .step h3 {
  font-family: var(--serif);
  font-size: 1.05rem;
  letter-spacing: 0.2em;
  margin-bottom: 8px;
}
.order-steps .step p { font-size: 0.9rem; }

/* ---------- Forms ---------- */
.form-wrap {
  max-width: 720px;
  margin: 0 auto;
  background: #fdfbf7;
  border: 1px solid var(--line);
  padding: 48px;
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.form-field { display: flex; flex-direction: column; gap: 8px; }
.form-field.full { grid-column: 1 / -1; }
.form-field label, .form-field > span { font-size: 0.85rem; letter-spacing: 0.2em; }
.form-field .req { color: #b0503c; }
.form-field input, .form-field select, .form-field textarea {
  border: 1px solid var(--line);
  background: #fff;
  padding: 12px 14px;
  font-size: 0.95rem;
  font-family: var(--sans);
  color: var(--ink);
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: 1px solid var(--gold);
  border-color: var(--gold);
}
.form-hint { font-size: 0.8rem; color: var(--muted); letter-spacing: 0.06em; }

.order-item {
  display: grid;
  grid-template-columns: 1.4fr 1fr 0.6fr auto;
  gap: 14px;
  align-items: end;
  padding: 16px;
  border: 1px solid var(--line);
  background: #fff;
}
.order-item + .order-item { margin-top: 12px; }
.order-item .remove-item {
  border: 1px solid var(--line);
  background: none;
  color: var(--muted);
  min-width: 44px;
  min-height: 44px;
  cursor: pointer;
  font-size: 1rem;
}
.order-item .remove-item:hover { color: #b0503c; border-color: #d8b3a8; }
.add-item-btn {
  margin-top: 14px;
  border: 1px dashed var(--gold-dark);
  background: none;
  color: var(--gold-dark);
  padding: 11px 22px;
  letter-spacing: 0.2em;
  font-size: 0.88rem;
  cursor: pointer;
  font-family: var(--sans);
}
.add-item-btn:hover { background: rgba(168, 137, 90, 0.08); }

.form-fallback {
  display: none;
  margin-top: 18px;
  background: #f2ede2;
  border: 1px solid var(--line);
  padding: 18px 20px;
  font-size: 0.88rem;
}
.form-fallback.show { display: block; }
.form-fallback textarea {
  width: 100%;
  margin-top: 10px;
  border: 1px solid var(--line);
  padding: 10px 12px;
  font-family: var(--sans);
  font-size: 0.85rem;
  background: #fff;
}

.note {
  background: #f2ede2;
  border: 1px solid var(--line);
  padding: 16px 20px;
  font-size: 0.88rem;
  color: var(--muted);
}

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 56px; align-items: start; }
.contact-list { display: grid; gap: 26px; }
.contact-list .item .label {
  font-size: 0.72rem;
  letter-spacing: 0.34em;
  color: var(--gold-dark);
  text-transform: uppercase;
}
.contact-list .item .value {
  font-family: var(--serif);
  font-size: 1.05rem;
  letter-spacing: 0.1em;
  margin-top: 6px;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--dark);
  color: rgba(246, 242, 234, 0.65);
}
.footer-inner {
  padding: 64px 0 30px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 44px;
}
.site-footer .f-brand {
  font-family: var(--serif);
  font-size: 1.4rem;
  letter-spacing: 0.42em;
  color: var(--paper);
}
.site-footer .f-sub {
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-top: 8px;
}
.site-footer h3 {
  font-size: 0.78rem;
  letter-spacing: 0.34em;
  color: var(--paper);
  text-transform: uppercase;
  margin-bottom: 16px;
  font-weight: 500;
}
.site-footer ul { list-style: none; }
.site-footer li { margin: 9px 0; font-size: 0.9rem; letter-spacing: 0.08em; }
.site-footer a { color: rgba(246, 242, 234, 0.65); }
.site-footer a:hover { color: var(--paper); }
.footer-bottom {
  border-top: 1px solid rgba(246, 242, 234, 0.14);
  padding: 20px 0;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-align: center;
  color: rgba(246, 242, 234, 0.55);
}

/* ---------- Page hero (inner) ---------- */
.page-hero { padding: 72px 0 56px; border-bottom: 1px solid var(--line); }
.page-hero h1 {
  font-family: var(--serif);
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: 0.24em;
}
.page-hero .breadcrumb {
  margin-top: 12px;
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  color: var(--muted);
}
.page-hero .breadcrumb a { color: var(--muted); }
.page-hero .breadcrumb .sep { margin: 0 8px; }

/* ---------- Responsive ---------- */
@media (max-width: 920px) {
  .nav-toggle { display: flex; }
  .main-nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: stretch;
    padding: 12px 20px 20px;
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 13px 8px; }
  .main-nav a.nav-cta { margin-left: 0; margin-top: 10px; text-align: center; }
  .phi-grid, .scent-grid, .order-steps { grid-template-columns: 1fr 1fr; }
  .scent-grid { gap: 24px; }
  .product-hero { grid-template-columns: 1fr; }
  .product-visual { min-height: 380px; }
  .product-copy { padding: 48px 24px; }
  .story-grid, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .orb-1 { width: 240px; height: 240px; right: -80px; }
  .orb-2 { display: none; }
}

@media (max-width: 680px) {
  .phi-grid, .order-steps { grid-template-columns: 1fr; }
  .scent-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .form-wrap { padding: 28px 20px; }
  .order-item { grid-template-columns: 1fr; }
  .order-item .remove-item { justify-self: end; width: 44px; }
  .section { padding: 64px 0; }
  .hero { padding: 80px 0 60px; }
  .orb-1 { display: none; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 420px) {
  .brand-sub { display: none; }
}