/* ============================================================
   MINSHANG — Export website prototype
   Design system: warm brass on charcoal + paper
   ============================================================ */

:root {
  --ink: #0d1013;
  --ink-2: #161b20;
  --ink-3: #232a31;
  --paper: #f7f5f1;
  --paper-2: #efece5;
  --line: #e2ddd3;
  --line-dark: rgba(255, 255, 255, 0.12);
  --brass: #b0863c;
  --brass-l: #d9ba7c;
  --brass-soft: #f0e4cd;
  --muted: #6d6a63;
  --muted-dark: #a9a49b;
  --white: #ffffff;
  --radius: 2px;
  --radius-lg: 4px;
  --shadow: 0 24px 60px -30px rgba(13, 16, 19, 0.45);
  --max: 1240px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: "Inter", "Helvetica Neue", "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--paper);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.65;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; background: none; border: 0; }
input, textarea, select { font: inherit; color: inherit; }

/* ---------- type ---------- */
h1, h2, h3, h4 {
  font-weight: 500;
  line-height: 1.12;
  letter-spacing: -0.02em;
}
h1 { font-size: clamp(2.4rem, 5.4vw, 4.3rem); }
h2 { font-size: clamp(1.9rem, 3.4vw, 2.9rem); }
h3 { font-size: 1.15rem; letter-spacing: -0.01em; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brass);
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: currentColor;
  opacity: 0.7;
}
.eyebrow--light { color: var(--brass-l); }

.lede { font-size: 1.05rem; color: var(--muted); max-width: 58ch; }
.lede--light { color: var(--muted-dark); }

.serif { font-family: "Cormorant Garamond", Georgia, serif; }

/* ---------- layout ---------- */
.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 28px; }
.section { padding: clamp(64px, 9vw, 120px) 0; }
.section--tight { padding: clamp(48px, 6vw, 76px) 0; }
.section--dark { background: var(--ink); color: var(--white); }
.section--paper2 { background: var(--paper-2); }

.section-head { max-width: 720px; margin-bottom: 48px; }
.section-head h2 { margin: 16px 0 18px; }
.section-head--split {
  max-width: none;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}
.section-head--split > div { max-width: 640px; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 26px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid transparent;
  border-radius: var(--radius);
  transition: background 0.35s var(--ease), color 0.35s var(--ease),
    border-color 0.35s var(--ease), transform 0.35s var(--ease);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn--primary { background: var(--brass); color: #1a1205; }
.btn--primary:hover { background: var(--brass-l); }
.btn--ghost { border-color: rgba(255, 255, 255, 0.28); color: var(--white); }
.btn--ghost:hover { border-color: var(--brass-l); color: var(--brass-l); }
.btn--outline { border-color: var(--line); color: var(--ink); }
.btn--outline:hover { border-color: var(--ink); }
.btn--sm { padding: 11px 18px; font-size: 0.7rem; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--line);
  padding-bottom: 4px;
  transition: border-color 0.3s, gap 0.3s;
}
.link-arrow:hover { border-color: var(--brass); gap: 13px; }

/* ---------- header ---------- */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 90;
  padding: 18px 0;
  transition: background 0.4s var(--ease), padding 0.4s var(--ease),
    border-color 0.4s var(--ease), backdrop-filter 0.4s;
  border-bottom: 1px solid transparent;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand { display: flex; align-items: center; gap: 12px; color: var(--white); }
.brand-mark { width: 34px; height: 34px; flex: none; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name {
  font-size: 1.02rem;
  font-weight: 600;
  letter-spacing: 0.26em;
}
.brand-sub {
  font-size: 0.55rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  opacity: 0.62;
  margin-top: 3px;
}

.nav { display: flex; align-items: center; gap: 30px; }
.nav a {
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.78);
  position: relative;
  padding: 4px 0;
  transition: color 0.3s;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: var(--brass-l);
  transition: width 0.35s var(--ease);
}
.nav a:hover, .nav a.is-active { color: var(--white); }
.nav a:hover::after, .nav a.is-active::after { width: 100%; }

.header-actions { display: flex; align-items: center; gap: 14px; }

/* language switcher */
.lang { position: relative; }
.lang-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 7px 10px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius);
  transition: border-color 0.3s, color 0.3s;
}
.lang-btn:hover { border-color: var(--brass-l); color: var(--brass-l); }
.lang-btn svg { width: 9px; height: 9px; opacity: 0.7; }
.lang-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 10px);
  min-width: 172px;
  background: var(--ink-2);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 7px;
  display: none;
  box-shadow: 0 22px 48px -22px rgba(0, 0, 0, 0.8);
  z-index: 120;
}
.lang.is-open .lang-menu { display: block; }
.lang-menu button {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 9px 12px;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.75);
  text-align: start;
  transition: background 0.2s, color 0.2s;
}
.lang-menu button:hover { background: rgba(255, 255, 255, 0.06); color: var(--white); }
.lang-menu button .code {
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  opacity: 0.5;
  text-transform: uppercase;
}
.lang-menu button.is-current { color: var(--brass-l); }

/* scrolled header */
.header.is-stuck {
  background: rgba(13, 16, 19, 0.94);
  backdrop-filter: blur(14px);
  padding: 12px 0;
  border-bottom-color: rgba(255, 255, 255, 0.07);
}
.header--solid { background: var(--ink); border-bottom-color: rgba(255, 255, 255, 0.07); }

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius);
  color: var(--white);
  align-items: center;
  justify-content: center;
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  padding: clamp(130px, 16vw, 180px) 0 clamp(60px, 8vw, 96px);
  background:
    radial-gradient(1100px 600px at 78% 18%, rgba(176, 134, 60, 0.18), transparent 62%),
    linear-gradient(180deg, #0b0e11 0%, #0d1013 58%, #131820 100%);
  color: var(--white);
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(217, 186, 124, 0.5), transparent);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: clamp(32px, 6vw, 72px);
  align-items: center;
}
.hero h1 { margin: 22px 0 24px; }
.hero h1 em {
  font-style: normal;
  color: var(--brass-l);
}
.hero .lede { max-width: 46ch; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 34px; }
.hero-meta {
  display: flex;
  gap: 34px;
  margin-top: 48px;
  padding-top: 26px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  flex-wrap: wrap;
}
.hero-meta div { display: flex; flex-direction: column; gap: 4px; }
.hero-meta strong {
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: -0.02em;
}
.hero-meta span {
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted-dark);
}

.hero-art {
  position: relative;
  aspect-ratio: 4 / 5;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background:
    radial-gradient(120% 90% at 50% 8%, rgba(255, 255, 255, 0.09), transparent 58%),
    linear-gradient(160deg, #1b2128 0%, #12171c 48%, #0a0d10 100%);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-art::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.03) 0 1px,
    transparent 1px 84px
  );
}
.hero-art svg { width: 74%; height: auto; position: relative; z-index: 2; }
.hero-art-tag {
  position: absolute;
  left: 22px;
  bottom: 20px;
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.45);
  z-index: 3;
}
.hero-art-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  padding: 7px 12px;
  font-size: 0.6rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brass-l);
  border: 1px solid rgba(217, 186, 124, 0.35);
  z-index: 3;
}

/* ---------- ticker ---------- */
.ticker {
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  background: #0a0d10;
  overflow: hidden;
  padding: 16px 0;
}
.ticker-track {
  display: flex;
  gap: 56px;
  width: max-content;
  animation: slide 34s linear infinite;
}
.ticker span {
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.42);
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 56px;
}
.ticker span::after {
  content: "◆";
  font-size: 0.5rem;
  color: var(--brass);
  opacity: 0.8;
}
@keyframes slide {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------- categories ---------- */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.cat-card {
  background: var(--paper);
  padding: 34px 28px 30px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-height: 300px;
  transition: background 0.4s var(--ease), transform 0.4s var(--ease);
}
.cat-card:hover { background: var(--white); }
.cat-card svg { width: 100%; height: 116px; }
.cat-card h3 { margin-top: auto; }
.cat-card p { font-size: 0.86rem; color: var(--muted); }
.cat-card .count {
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brass);
}

/* ---------- product grid ---------- */
.filter-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 38px;
}
.chip {
  padding: 9px 18px;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid var(--line);
  border-radius: 40px;
  color: var(--muted);
  transition: all 0.3s var(--ease);
}
.chip:hover { border-color: var(--ink); color: var(--ink); }
.chip.is-active { background: var(--ink); border-color: var(--ink); color: var(--white); }

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.product-card {
  background: var(--white);
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.4s var(--ease), transform 0.4s var(--ease),
    border-color 0.4s var(--ease);
  position: relative;
}
.product-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: #d6d0c4;
}
.product-media {
  position: relative;
  aspect-ratio: 4 / 3.4;
  background: linear-gradient(180deg, #fbfaf8 0%, #f1eee8 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.product-media svg { width: 52%; height: auto; transition: transform 0.6s var(--ease); }
.product-card:hover .product-media svg { transform: scale(1.05); }
.product-finish {
  position: absolute;
  top: 12px;
  right: 12px;
  display: flex;
  gap: 5px;
}
.finish-dot {
  width: 13px;
  height: 13px;
  border-radius: 50%;
  border: 1px solid rgba(0, 0, 0, 0.14);
}
.finish-dot[data-f="chrome"] { background: linear-gradient(145deg, #fdfdfd, #b9bfc6 65%, #e9edf1); }
.finish-dot[data-f="gold"] { background: linear-gradient(145deg, #f0dcb0, #bd9350 60%, #e6cf9e); }
.finish-dot[data-f="black"] { background: linear-gradient(145deg, #4a4d52, #141618); }
.finish-dot[data-f="gunmetal"] { background: linear-gradient(145deg, #8b9096, #3a3f45); }
.finish-dot[data-f="orb"] { background: linear-gradient(145deg, #7d5a3c, #3a2618); }
.finish-dot[data-f="rose"] { background: linear-gradient(145deg, #e8c0a8, #b47d5e); }

.product-body { padding: 22px 22px 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.product-sku {
  font-size: 0.64rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brass);
}
.product-body h3 { font-size: 1.02rem; }
.product-body p { font-size: 0.82rem; color: var(--muted); }
.product-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}
.product-specs span {
  font-size: 0.63rem;
  letter-spacing: 0.06em;
  color: var(--muted);
  border: 1px solid var(--line);
  padding: 3px 8px;
  border-radius: 2px;
}
.product-foot {
  margin-top: auto;
  padding-top: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--line);
}
.product-foot .moq { font-size: 0.68rem; color: var(--muted); letter-spacing: 0.04em; }

/* ---------- stats ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.stat { background: var(--ink); padding: 34px 26px; }
.stat strong {
  display: block;
  font-size: clamp(1.9rem, 3.4vw, 2.6rem);
  font-weight: 400;
  letter-spacing: -0.03em;
  color: var(--brass-l);
  margin-bottom: 6px;
}
.stat span {
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted-dark);
}

/* ---------- split feature ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 6vw, 80px);
  align-items: center;
}
.split-art {
  aspect-ratio: 5 / 4;
  border: 1px solid var(--line);
  background: linear-gradient(150deg, #ffffff, #efece5);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.split-art svg { width: 62%; }
.split-list { display: flex; flex-direction: column; gap: 0; margin-top: 30px; }
.split-item {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 16px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
}
.split-item:last-child { border-bottom: 1px solid var(--line); }
.split-item .num {
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--brass);
  padding-top: 3px;
}
.split-item h4 { font-size: 0.98rem; margin-bottom: 5px; }
.split-item p { font-size: 0.84rem; color: var(--muted); }

/* ---------- process ---------- */
.process {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 22px;
  counter-reset: step;
}
.process-step {
  padding-top: 22px;
  border-top: 1px solid var(--line-dark);
  position: relative;
}
.process-step::before {
  counter-increment: step;
  content: "0" counter(step);
  display: block;
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  color: var(--brass);
  margin-bottom: 14px;
}
.process-step h4 { font-size: 0.95rem; margin-bottom: 8px; }
.process-step p { font-size: 0.8rem; color: var(--muted-dark); }

/* ---------- certs ---------- */
.cert-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
}
.cert {
  border: 1px solid var(--line);
  background: var(--white);
  padding: 26px 18px;
  text-align: center;
  transition: border-color 0.35s, transform 0.35s;
}
.cert:hover { border-color: var(--brass); transform: translateY(-2px); }
.cert b {
  display: block;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 5px;
}
.cert span { font-size: 0.68rem; color: var(--muted); letter-spacing: 0.06em; }

/* ---------- inquiry ---------- */
.inquiry {
  background:
    radial-gradient(900px 500px at 82% 10%, rgba(176, 134, 60, 0.2), transparent 60%),
    linear-gradient(160deg, #12171c, #0b0e11);
  color: var(--white);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.inquiry-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(36px, 6vw, 80px);
}
.inquiry h2 { margin: 18px 0 20px; }
.inquiry-contact { display: flex; flex-direction: column; gap: 18px; margin-top: 36px; }
.inquiry-contact a {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.8);
  transition: color 0.3s;
}
.inquiry-contact a:hover { color: var(--brass-l); }
.inquiry-contact svg { width: 16px; height: 16px; opacity: 0.6; flex: none; }

.form { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form .full { grid-column: 1 / -1; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field label {
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted-dark);
}
.field input, .field textarea, .field select {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  padding: 13px 14px;
  font-size: 0.88rem;
  color: var(--white);
  transition: border-color 0.3s, background 0.3s;
  width: 100%;
}
.field select option { color: #111; }
.field input::placeholder, .field textarea::placeholder { color: rgba(255, 255, 255, 0.3); }
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none;
  border-color: var(--brass);
  background: rgba(255, 255, 255, 0.06);
}
.field textarea { resize: vertical; min-height: 108px; }
.form-note { font-size: 0.72rem; color: var(--muted-dark); margin-top: 4px; }
.form-ok {
  grid-column: 1 / -1;
  display: none;
  border: 1px solid rgba(176, 134, 60, 0.5);
  background: rgba(176, 134, 60, 0.1);
  padding: 14px 16px;
  font-size: 0.85rem;
  color: var(--brass-l);
}
.form-ok.is-visible { display: block; }

.form-error {
  grid-column: 1 / -1;
  display: none;
  border: 1px solid rgba(200, 96, 74, 0.55);
  background: rgba(200, 96, 74, 0.12);
  padding: 14px 16px;
  font-size: 0.85rem;
  color: #e9a292;
}
.form-error.is-visible { display: block; }
.form--light .form-error { color: #8a3524; background: #fbeeea; border-color: #e8c3b8; }

/* ---------- footer ---------- */
.footer {
  background: #080b0e;
  color: rgba(255, 255, 255, 0.6);
  padding: 64px 0 26px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 42px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.footer .brand { color: var(--white); margin-bottom: 16px; }
.footer p { font-size: 0.82rem; max-width: 34ch; }
.footer h5 {
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.45);
  margin-bottom: 16px;
  font-weight: 600;
}
.footer ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer ul a { font-size: 0.84rem; transition: color 0.3s; }
.footer ul a:hover { color: var(--brass-l); }
.footer-bottom {
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.35);
}

/* ---------- page hero (inner pages) ---------- */
.page-hero {
  background: linear-gradient(170deg, #12171c, #0b0e11);
  color: var(--white);
  padding: clamp(120px, 14vw, 168px) 0 clamp(48px, 6vw, 72px);
  position: relative;
  overflow: hidden;
}
.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(700px 340px at 85% 0%, rgba(176, 134, 60, 0.22), transparent 65%);
  pointer-events: none;
}
.page-hero .wrap { position: relative; z-index: 2; }
.page-hero h1 { margin: 18px 0 16px; font-size: clamp(2.1rem, 4.6vw, 3.5rem); }
.crumb {
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
  display: flex;
  gap: 8px;
  align-items: center;
}
.crumb a:hover { color: var(--brass-l); }
.crumb span { opacity: 0.4; }

/* ---------- contact page ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: clamp(36px, 6vw, 72px);
  align-items: start;
}
.contact-card {
  border: 1px solid var(--line);
  background: var(--white);
  padding: 30px;
}
.contact-card h3 { margin-bottom: 18px; }
.contact-line {
  display: flex;
  gap: 12px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  font-size: 0.86rem;
}
.contact-line:first-of-type { border-top: 0; }
.contact-line b {
  display: block;
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
  margin-bottom: 2px;
}
.form--light .field label { color: var(--muted); }
.form--light .field input,
.form--light .field textarea,
.form--light .field select {
  background: var(--white);
  border-color: var(--line);
  color: var(--ink);
}
.form--light .field input::placeholder,
.form--light .field textarea::placeholder { color: #a5a09a; }
.form--light .form-note { color: var(--muted); }
.form--light .form-ok { color: #6b4f1a; background: #f8f1e2; border-color: #e0cfa8; }

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .process { grid-template-columns: repeat(3, 1fr); }
  .cert-row { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .nav { display: none; }
  .nav-toggle { display: inline-flex; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-art { max-width: 460px; margin: 8px auto 0; width: 100%; }
  .split, .inquiry-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero-meta { gap: 24px; }

  .header.nav-open { background: var(--ink); }
  .header.nav-open .nav {
    display: flex;
    position: fixed;
    inset: 68px 0 auto 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: #0b0e11;
    padding: 12px 28px 26px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }
  .header.nav-open .nav a {
    width: 100%;
    padding: 16px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
    font-size: 0.9rem;
  }
}

@media (max-width: 640px) {
  .wrap { padding: 0 20px; }
  .product-grid { grid-template-columns: 1fr; }
  .cat-grid { grid-template-columns: 1fr; }
  .process { grid-template-columns: 1fr; }
  .cert-row { grid-template-columns: repeat(2, 1fr); }
  .form { grid-template-columns: 1fr; }
  .hero-meta { gap: 20px; }
  .hero-meta strong { font-size: 1.25rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; }
  .stats { grid-template-columns: 1fr 1fr; }
}

/* ==== v2 brand & misc ==== */
.brand-logo { height: 40px; width: auto; border-radius: 8px; display: block; }
.footer .brand-logo { height: 44px; }