/* ==========================================================================
   鸿泰制服 HONGTAI UNIFORM — 站点样式
   视觉基调：纸感米白 / 玫瑰铜 / 宋体大标题 / 细线分割 / 纺织纹样
   ========================================================================== */

/* ---------- tokens ---------- */
:root {
  --paper: #f8f8f3;
  --paper-2: #f2efe7;
  --paper-3: #e9e4d9;
  --ink: #241f1c;
  --ink-2: #4e4841;
  --muted: #8a8279;
  --rose: #9a7668;
  --rose-d: #77574b;
  --rose-l: #cdb1a4;
  --line: rgba(36, 31, 28, 0.14);
  --line-soft: rgba(36, 31, 28, 0.08);
  --dark: #1f1c1a;
  --dark-2: #2a2522;
  --max: 1240px;
  --gut: clamp(20px, 5vw, 56px);
  --sec: clamp(64px, 8vw, 124px);
  --serif: "Songti SC", "Source Han Serif SC", "Noto Serif SC", "STSong",
    "SimSun", Georgia, "Times New Roman", serif;
  --sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei",
    "Hiragino Sans GB", "Segoe UI", system-ui, sans-serif;
  --ease: cubic-bezier(0.22, 0.68, 0.24, 1);
}

/* ---------- reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.5;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
}

img { max-width: 100%; height: auto; display: block; }
svg { display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
p { margin: 0; }
h1, h2, h3, h4 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.28;
  letter-spacing: 0.01em;
}
::selection { background: var(--rose); color: #fff; }

:focus-visible {
  outline: 2px solid var(--rose);
  outline-offset: 3px;
}

/* ---------- layout ---------- */
[id] { scroll-margin-top: 96px; }

.wrap {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gut);
  position: relative;
  z-index: 1;
}

.section { padding-block: var(--sec); }
.section--tight { padding-block: clamp(48px, 6vw, 80px); }
.section--paper2 { background: var(--paper-2); }
.section--dark { background: var(--dark); color: #ece7e0; }
.section--dark .eyebrow { color: var(--rose-l); }
.section--dark .lead { color: rgba(236, 231, 224, 0.72); }

/* ---------- type helpers ---------- */
.eyebrow {
  font-size: 11px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--rose);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: currentColor;
  opacity: 0.6;
}
.eyebrow .idx {
  font-family: var(--serif);
  letter-spacing: 0.1em;
  opacity: 0.75;
}

.h1 {
  font-size: clamp(34px, 5.6vw, 68px);
  line-height: 1.16;
  letter-spacing: -0.01em;
}
.h2 {
  font-size: clamp(26px, 3.4vw, 44px);
  line-height: 1.24;
}
.h3 { font-size: clamp(20px, 2vw, 24px); }
.h4 { font-size: 17px; }

.lead {
  color: var(--ink-2);
  font-size: clamp(15px, 1.15vw, 17px);
  line-height: 2;
}
.muted { color: var(--muted); }
.rose { color: var(--rose); }
.small { font-size: 13px; line-height: 1.9; }

.serif { font-family: var(--serif); }
.num {
  font-family: var(--serif);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

/* section heading block */
.sec-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
  gap: clamp(24px, 5vw, 72px);
  align-items: end;
  margin-bottom: clamp(36px, 4.5vw, 64px);
}
.sec-head .lead { max-width: 46ch; }
.sec-head--center {
  grid-template-columns: 1fr;
  text-align: center;
  justify-items: center;
}
.sec-head--center .lead { max-width: 58ch; }
.sec-head--center .eyebrow { justify-content: center; }

.rule {
  height: 1px;
  background: var(--line);
  border: 0;
  margin: 0;
}

/* ---------- buttons ---------- */
.btn {
  --bg: var(--ink);
  --fg: #f8f8f3;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 30px;
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--bg);
  border-radius: 999px;
  font-size: 14px;
  letter-spacing: 0.08em;
  line-height: 1;
  transition: background 0.4s var(--ease), color 0.4s var(--ease),
    border-color 0.4s var(--ease), transform 0.4s var(--ease);
  cursor: pointer;
}
.btn:hover { background: var(--rose-d); border-color: var(--rose-d); transform: translateY(-2px); }
.btn .arw { transition: transform 0.4s var(--ease); }
.btn:hover .arw { transform: translateX(4px); }

.btn--ghost {
  --bg: transparent;
  --fg: var(--ink);
  border-color: var(--line);
}
.btn--ghost:hover { background: transparent; color: var(--rose-d); border-color: var(--rose); }

.btn--light { --bg: #f8f8f3; --fg: var(--ink); border-color: #f8f8f3; }
.btn--light:hover { background: var(--rose-l); border-color: var(--rose-l); color: var(--ink); }

.btn-row { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }

/* text link with arrow */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  letter-spacing: 0.08em;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--line);
  transition: color 0.35s var(--ease), border-color 0.35s var(--ease), gap 0.35s var(--ease);
}
.link-arrow:hover { color: var(--rose-d); border-color: var(--rose); gap: 16px; }

/* ---------- header ---------- */
.site-head {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(248, 248, 243, 0.82);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.4s var(--ease), background 0.4s var(--ease);
}
.site-head.is-scrolled { border-bottom-color: var(--line-soft); background: rgba(248, 248, 243, 0.94); }

.head-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 76px;
}

.brand { display: flex; align-items: baseline; gap: 12px; }
.brand-mark {
  font-family: var(--serif);
  font-size: 25px;
  letter-spacing: 0.14em;
  color: var(--rose-d);
  line-height: 1;
}
.brand-sub {
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--muted);
  line-height: 1;
  padding-bottom: 2px;
}

.nav { display: flex; align-items: center; gap: clamp(18px, 2.4vw, 34px); }
.nav a {
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--ink-2);
  position: relative;
  padding-block: 6px;
  transition: color 0.3s var(--ease);
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--rose);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
}
.nav a:hover { color: var(--ink); }
.nav a:hover::after { transform: scaleX(1); }
.nav a[aria-current="page"] { color: var(--rose-d); }
.nav a[aria-current="page"]::after { transform: scaleX(1); }

.head-cta { display: flex; align-items: center; gap: 16px; }
.head-tel {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--ink-2);
  font-family: var(--num, var(--serif));
}
.head-tel:hover { color: var(--rose-d); }

.burger {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  background: none;
  border: 1px solid var(--line);
  border-radius: 50%;
  cursor: pointer;
}
.burger span {
  display: block;
  width: 16px;
  height: 1px;
  background: var(--ink);
  position: relative;
}
.burger span::before,
.burger span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 16px;
  height: 1px;
  background: var(--ink);
}
.burger span::before { top: -5px; }
.burger span::after { top: 5px; }

/* mobile drawer */
.drawer {
  position: fixed;
  inset: 0;
  z-index: 80;
  background: var(--paper);
  display: flex;
  flex-direction: column;
  padding: 28px var(--gut) 40px;
  transform: translateY(-100%);
  transition: transform 0.6s var(--ease);
  visibility: hidden;
}
.drawer.is-open { transform: translateY(0); visibility: visible; }
.drawer-top { display: flex; align-items: center; justify-content: space-between; }
.drawer nav { margin-top: 40px; display: grid; gap: 4px; }
.drawer nav a {
  font-family: var(--serif);
  font-size: 28px;
  padding-block: 14px;
  border-bottom: 1px solid var(--line-soft);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}
.drawer nav a i {
  font-family: var(--sans);
  font-style: normal;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--muted);
}
.drawer-foot { margin-top: auto; display: grid; gap: 10px; padding-top: 32px; }
.close-x {
  background: none;
  border: 1px solid var(--line);
  border-radius: 50%;
  width: 44px;
  height: 44px;
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  padding-block: clamp(48px, 7vw, 96px) clamp(56px, 8vw, 104px);
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  right: -12%;
  top: -20%;
  width: 58vw;
  height: 58vw;
  max-width: 760px;
  max-height: 760px;
  background: radial-gradient(circle at 50% 50%, rgba(154, 118, 104, 0.13), rgba(154, 118, 104, 0) 62%);
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  gap: clamp(32px, 5vw, 80px);
  align-items: center;
}
.hero-copy { position: relative; z-index: 2; }
.hero h1 { margin-bottom: 26px; }
.hero h1 em {
  font-style: normal;
  color: var(--rose-d);
  position: relative;
  z-index: 0;
  isolation: isolate;
  white-space: nowrap;
}
.hero h1 em::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.08em;
  height: 0.32em;
  background: rgba(154, 118, 104, 0.16);
  z-index: -1;
}
.hero .lead { max-width: 40ch; margin-bottom: 34px; }

.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 34px;
  margin-top: 44px;
  padding-top: 24px;
  border-top: 1px solid var(--line-soft);
}
.hero-facts div { display: grid; gap: 2px; }
.hero-facts b {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 19px;
  letter-spacing: 0.02em;
}
.hero-facts span { font-size: 12px; letter-spacing: 0.12em; color: var(--muted); }

/* brand plate holding the real logo */
.plate {
  position: relative;
  background: #f8f8f3;
  border: 1px solid var(--line);
  padding: clamp(24px, 3.4vw, 44px) clamp(18px, 3vw, 34px) clamp(52px, 6vw, 68px);
  display: grid;
  place-items: center;
  overflow: hidden;
}
.plate::before {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px solid var(--line-soft);
  pointer-events: none;
}
.plate-logo {
  width: 100%;
  position: relative;
  z-index: 2;
}
.plate-logo img {
  width: 100%;
  height: auto;
  display: block;
  filter: contrast(1.02);
}
.plate-fallback {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 14px;
  font-family: var(--serif);
  font-size: clamp(34px, 5vw, 58px);
  letter-spacing: 0.3em;
  text-indent: 0.3em;
  color: var(--rose-d);
  line-height: 1;
}
.plate-fallback span {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.6em;
  text-indent: 0.6em;
  color: var(--muted);
}
.plate-cap {
  position: absolute;
  left: clamp(18px, 3vw, 34px);
  bottom: clamp(16px, 2.4vw, 26px);
  font-size: 10px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--muted);
}
.plate-tag {
  position: absolute;
  top: clamp(18px, 3vw, 34px);
  right: clamp(18px, 3vw, 34px);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--rose);
  writing-mode: vertical-rl;
}

/* ---------- marquee strip ---------- */
.strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--paper-2);
  overflow: hidden;
}
.strip-track {
  display: flex;
  gap: 56px;
  padding-block: 18px;
  width: max-content;
  animation: slide 42s linear infinite;
}
.strip-track span {
  font-size: 12px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 56px;
}
.strip-track span::after {
  content: "◆";
  font-size: 6px;
  color: var(--rose-l);
}
@keyframes slide {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------- sector cards ---------- */
.sectors {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.sector {
  position: relative;
  padding: clamp(26px, 3vw, 40px);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  overflow: hidden;
  transition: background 0.5s var(--ease);
  display: flex;
  flex-direction: column;
  min-height: 240px;
}
.sector:hover { background: var(--paper-2); }
.sector .ch {
  font-family: var(--serif);
  font-size: clamp(52px, 6vw, 82px);
  line-height: 1;
  color: rgba(36, 31, 28, 0.07);
  position: absolute;
  right: 18px;
  bottom: -6px;
  transition: color 0.5s var(--ease), transform 0.6s var(--ease);
}
.sector:hover .ch { color: rgba(154, 118, 104, 0.22); transform: translateY(-6px); }
.sector .no {
  font-family: var(--serif);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--rose);
  margin-bottom: 22px;
}
.sector h3 { margin-bottom: 10px; position: relative; z-index: 1; }
.sector p { font-size: 13.5px; color: var(--ink-2); max-width: 30ch; position: relative; z-index: 1; }
.sector .tags {
  margin-top: auto;
  padding-top: 20px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
  position: relative;
  z-index: 1;
}
.sectors--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* ---------- capability list ---------- */
.caps { display: grid; gap: 0; border-top: 1px solid var(--line); }
.cap {
  display: grid;
  grid-template-columns: 90px minmax(0, 0.9fr) minmax(0, 1.5fr);
  gap: clamp(16px, 3vw, 48px);
  padding-block: clamp(24px, 3vw, 36px);
  border-bottom: 1px solid var(--line);
  align-items: start;
  transition: background 0.4s var(--ease);
}
.cap:hover { background: rgba(154, 118, 104, 0.045); }
.cap .no { font-family: var(--serif); font-size: 13px; letter-spacing: 0.16em; color: var(--rose); padding-top: 6px; }
.cap h3 { font-size: clamp(19px, 1.7vw, 23px); }
.cap h3 small {
  display: block;
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 8px;
}
.cap p { color: var(--ink-2); font-size: 14.5px; }
.cap ul { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.cap li {
  font-size: 12px;
  letter-spacing: 0.06em;
  padding: 5px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-2);
}

/* ---------- process ---------- */
.process {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0;
  counter-reset: step;
  border-top: 1px solid var(--line);
}
.step {
  padding: clamp(20px, 2.2vw, 30px) clamp(14px, 1.6vw, 22px) clamp(24px, 2.6vw, 34px);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  position: relative;
  transition: background 0.4s var(--ease);
}
.step:first-child { border-left: 1px solid var(--line); }
.step:hover { background: var(--paper-2); }
.step .n {
  font-family: var(--serif);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--rose);
  display: block;
  margin-bottom: 40px;
}
.step h4 { font-size: 17px; margin-bottom: 8px; }
.step p { font-size: 12.5px; line-height: 1.85; color: var(--muted); }
.step::after {
  content: "";
  position: absolute;
  left: clamp(14px, 1.6vw, 22px);
  bottom: 46px;
  width: 22px;
  height: 1px;
  background: var(--line);
}

/* ---------- product swatch cards ---------- */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: clamp(28px, 3.4vw, 44px);
}
.chip {
  padding: 9px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  font-size: 13px;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: all 0.35s var(--ease);
  color: var(--ink-2);
}
.chip:hover { border-color: var(--rose); color: var(--rose-d); }
.chip.is-active { background: var(--ink); border-color: var(--ink); color: #f8f8f3; }

.grid-products {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(16px, 2vw, 26px);
}
.pcard {
  border: 1px solid var(--line);
  background: var(--paper);
  display: flex;
  flex-direction: column;
  transition: transform 0.5s var(--ease), border-color 0.5s var(--ease);
}
.pcard:hover { transform: translateY(-4px); border-color: rgba(154, 118, 104, 0.55); }
.pcard[hidden] { display: none; }

.swatch {
  position: relative;
  aspect-ratio: 4 / 3;
  display: grid;
  place-items: center;
  overflow: hidden;
  isolation: isolate;
}
.swatch::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.9;
  background-image:
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.42) 0 1px, transparent 1px 5px),
    repeating-linear-gradient(0deg, rgba(0, 0, 0, 0.045) 0 1px, transparent 1px 5px);
  mix-blend-mode: overlay;
}
.swatch::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(120% 90% at 30% 20%, rgba(255, 255, 255, 0.45), transparent 60%);
}
.swatch .ch {
  position: relative;
  z-index: 2;
  font-family: var(--serif);
  font-size: clamp(56px, 7vw, 92px);
  line-height: 1;
  color: rgba(255, 255, 255, 0.72);
  text-shadow: 0 1px 30px rgba(36, 31, 28, 0.08);
}
.swatch .badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  font-size: 10px;
  letter-spacing: 0.22em;
  color: rgba(255, 255, 255, 0.85);
}

.swatch--rose { background: linear-gradient(150deg, #b99b8e, #93705f 70%, #7e5d50); }
.swatch--greige { background: linear-gradient(150deg, #cfc4b2, #b3a48e 65%, #9c8c76); }
.swatch--ink { background: linear-gradient(150deg, #4b4741, #2f2b27 70%, #211e1b); }
.swatch--cream { background: linear-gradient(150deg, #efe8da, #ded3bf 65%, #cdbfa8); }
.swatch--olive { background: linear-gradient(150deg, #9aa08a, #7c8370 65%, #666c5c); }
.swatch--clay { background: linear-gradient(150deg, #c7a494, #a98070 65%, #8d6858); }

/* 浅色面料块上的文字改用深色，保证对比 */
.swatch--cream .ch,
.swatch--greige .ch { color: rgba(52, 44, 36, 0.3); text-shadow: none; }
.swatch--cream .badge,
.swatch--greige .badge { color: rgba(52, 44, 36, 0.55); }

.pcard-body { padding: clamp(18px, 2vw, 26px); display: flex; flex-direction: column; flex: 1; }
.pcard-body h3 { font-size: 20px; margin-bottom: 6px; }
.pcard-body .desc { font-size: 13.5px; color: var(--ink-2); margin-bottom: 18px; }
.pcard-meta {
  margin-top: auto;
  display: grid;
  gap: 6px;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  font-size: 12.5px;
  color: var(--muted);
}
.pcard-meta div { display: flex; justify-content: space-between; gap: 12px; }
.pcard-meta b { font-weight: 400; color: var(--ink-2); }

/* ---------- case blocks ---------- */
.cases { display: grid; gap: clamp(40px, 6vw, 88px); }
.case {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(24px, 4vw, 64px);
  align-items: center;
}
.case:nth-child(even) .case-media { order: 2; }
.case-media {
  position: relative;
  aspect-ratio: 5 / 4;
  overflow: hidden;
  border: 1px solid var(--line);
}
.case-media .ch {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--serif);
  font-size: clamp(80px, 12vw, 170px);
  color: rgba(255, 255, 255, 0.55);
  z-index: 2;
  line-height: 1;
}
.case-media .cap {
  position: absolute;
  left: 16px;
  bottom: 14px;
  z-index: 2;
  font-size: 10px;
  letter-spacing: 0.24em;
  color: rgba(255, 255, 255, 0.8);
}
.case-body .kicker {
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--rose);
  margin-bottom: 14px;
}
.case-body h3 { font-size: clamp(22px, 2.4vw, 32px); margin-bottom: 16px; }
.case-body p { color: var(--ink-2); font-size: 14.5px; }
.case-specs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}
.case-specs b { display: block; font-family: var(--serif); font-size: 22px; font-weight: 400; }
.case-specs span { font-size: 11.5px; letter-spacing: 0.1em; color: var(--muted); }

/* ---------- stats ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.stat {
  padding: clamp(22px, 3vw, 38px);
  border-left: 1px solid rgba(236, 231, 224, 0.18);
}
.stat:first-child { border-left: 0; padding-left: 0; }
.stat b {
  display: block;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(30px, 3.6vw, 46px);
  line-height: 1.1;
  letter-spacing: 0.01em;
}
.stat b i { font-style: normal; font-size: 0.5em; margin-left: 4px; color: var(--rose-l); }
.stat span { display: block; margin-top: 8px; font-size: 12px; letter-spacing: 0.14em; color: rgba(236, 231, 224, 0.6); }

/* ---------- photo placeholder frames ---------- */
.frame {
  position: relative;
  border: 1px dashed rgba(154, 118, 104, 0.5);
  background:
    linear-gradient(180deg, rgba(154, 118, 104, 0.05), rgba(154, 118, 104, 0.02));
  display: grid;
  place-items: center;
  text-align: center;
  padding: 28px;
  min-height: 260px;
}
.frame-txt { font-size: 12.5px; letter-spacing: 0.12em; color: var(--rose-d); line-height: 2; }
.frame-txt small { display: block; color: var(--muted); letter-spacing: 0.06em; margin-top: 6px; font-size: 11.5px; }

/* ---------- quote ---------- */
.quote {
  max-width: 66ch;
  margin-inline: auto;
  text-align: center;
}
.quote p {
  font-family: var(--serif);
  font-size: clamp(20px, 2.4vw, 30px);
  line-height: 1.85;
  color: var(--ink);
}
.quote footer { margin-top: 24px; font-size: 12px; letter-spacing: 0.18em; color: var(--muted); }

/* ---------- cta band ---------- */
.cta-band { position: relative; overflow: hidden; }
.cta-band::before {
  content: "";
  position: absolute;
  right: -8%;
  top: -40%;
  width: 46vw;
  height: 46vw;
  background: radial-gradient(circle, rgba(154, 118, 104, 0.28), transparent 62%);
  pointer-events: none;
}
.cta-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  gap: 40px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.cta-inner h2 { color: #f4efe7; }
.cta-inner .lead { color: rgba(236, 231, 224, 0.72); max-width: 44ch; margin-top: 16px; }
.cta-actions { display: grid; gap: 14px; justify-items: start; }

/* ---------- footer ---------- */
.site-foot { background: var(--dark); color: rgba(236, 231, 224, 0.72); padding-top: clamp(56px, 7vw, 96px); }
.foot-top {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 0.8fr));
  gap: clamp(28px, 4vw, 56px);
  padding-bottom: clamp(40px, 5vw, 64px);
}
.foot-brand .bm {
  font-family: var(--serif);
  font-size: clamp(30px, 3vw, 40px);
  color: #f4efe7;
  letter-spacing: 0.12em;
  line-height: 1;
}
.foot-brand .bs {
  font-size: 10px;
  letter-spacing: 0.32em;
  color: rgba(236, 231, 224, 0.42);
  margin-top: 14px;
}
.foot-brand p { font-size: 13px; line-height: 2; margin-top: 18px; max-width: 34ch; color: rgba(236, 231, 224, 0.6); }
.foot-col h4 {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: rgba(236, 231, 224, 0.42);
  margin-bottom: 18px;
}
.foot-col a, .foot-col li { font-size: 13.5px; line-height: 2.2; color: rgba(236, 231, 224, 0.75); }
.foot-col a:hover { color: var(--rose-l); }
.foot-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 28px;
  justify-content: space-between;
  align-items: center;
  padding-block: 22px;
  border-top: 1px solid rgba(236, 231, 224, 0.12);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: rgba(236, 231, 224, 0.42);
}
.foot-bottom a:hover { color: var(--rose-l); }

/* ---------- page head ---------- */
.page-head {
  padding-block: clamp(48px, 6vw, 88px) clamp(28px, 4vw, 52px);
  border-bottom: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}
.page-head .inner { position: relative; z-index: 2; max-width: 60ch; }
.page-head h1 { font-size: clamp(32px, 4.6vw, 58px); margin-bottom: 20px; }
.crumb {
  display: flex;
  gap: 10px;
  align-items: center;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--muted);
  margin-bottom: 30px;
  text-transform: uppercase;
}
.crumb a:hover { color: var(--rose-d); }
.page-head .ch-bg {
  position: absolute;
  right: 4%;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--serif);
  font-size: clamp(120px, 22vw, 300px);
  line-height: 1;
  color: rgba(154, 118, 104, 0.07);
  pointer-events: none;
  z-index: 1;
}

/* ---------- spec table ---------- */
.spec {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}
.spec th, .spec td {
  text-align: left;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line-soft);
  vertical-align: top;
}
.spec th {
  font-weight: 400;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.1em;
  width: 30%;
  white-space: nowrap;
}

/* ---------- about ---------- */
.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 80px);
  align-items: center;
}
.split--wide-right { grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr); }
.about-list { display: grid; gap: 0; border-top: 1px solid var(--line); }
.about-list li {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 24px;
  padding-block: 18px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 14px;
  color: var(--ink-2);
}
.about-list b { font-weight: 400; color: var(--ink); letter-spacing: 0.06em; }

/* ---------- contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: start;
}
.form { display: grid; gap: 18px; }
.field { display: grid; gap: 8px; }
.field label { font-size: 12px; letter-spacing: 0.14em; color: var(--muted); }
.field input,
.field select,
.field textarea {
  font: inherit;
  font-size: 14.5px;
  color: var(--ink);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line);
  padding: 10px 2px;
  border-radius: 0;
  transition: border-color 0.35s var(--ease);
  width: 100%;
}
.field textarea { min-height: 110px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-bottom-color: var(--rose);
}
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-note { font-size: 12px; color: var(--muted); line-height: 1.9; }
.form-ok {
  display: none;
  padding: 16px 18px;
  border: 1px solid rgba(154, 118, 104, 0.4);
  background: rgba(154, 118, 104, 0.07);
  font-size: 13.5px;
  color: var(--rose-d);
}
.form-ok.is-on { display: block; }

.info-block { display: grid; gap: 0; border-top: 1px solid var(--line); }
.info-row {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 16px;
  padding-block: 20px;
  border-bottom: 1px solid var(--line-soft);
  align-items: baseline;
}
.info-row dt { font-size: 11.5px; letter-spacing: 0.16em; color: var(--muted); }
.info-row dd { margin: 0; font-size: 15px; line-height: 1.9; }
.info-row dd a:hover { color: var(--rose-d); }

.map {
  position: relative;
  aspect-ratio: 16 / 10;
  border: 1px solid var(--line);
  overflow: hidden;
  background:
    repeating-linear-gradient(0deg, rgba(36, 31, 28, 0.05) 0 1px, transparent 1px 46px),
    repeating-linear-gradient(90deg, rgba(36, 31, 28, 0.05) 0 1px, transparent 1px 46px),
    var(--paper-2);
  display: grid;
  place-items: center;
}
.map::before {
  content: "";
  position: absolute;
  width: 60%;
  height: 1px;
  background: rgba(154, 118, 104, 0.3);
  transform: rotate(-24deg);
}
.map-pin {
  position: relative;
  z-index: 2;
  display: grid;
  justify-items: center;
  gap: 10px;
  text-align: center;
}
.map-pin .dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--rose);
  box-shadow: 0 0 0 6px rgba(154, 118, 104, 0.18), 0 0 0 14px rgba(154, 118, 104, 0.08);
}
.map-pin span { font-size: 11.5px; letter-spacing: 0.14em; color: var(--rose-d); }

/* ---------- faq ---------- */
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  list-style: none;
  cursor: pointer;
  padding-block: 22px;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: baseline;
  font-family: var(--serif);
  font-size: clamp(16px, 1.6vw, 19px);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  font-family: var(--sans);
  color: var(--rose);
  font-size: 18px;
  transition: transform 0.4s var(--ease);
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq .a { padding-bottom: 24px; font-size: 14px; color: var(--ink-2); max-width: 78ch; }

/* ---------- placeholder marker ---------- */
.ph {
  color: var(--rose-d);
  border-bottom: 1px dashed rgba(154, 118, 104, 0.6);
  padding-bottom: 1px;
}

/* ---------- reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}
.reveal.is-in { opacity: 1; transform: none; }

/* ---------- to top ---------- */
.totop {
  position: fixed;
  right: clamp(16px, 3vw, 32px);
  bottom: clamp(16px, 3vw, 32px);
  z-index: 50;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: rgba(248, 248, 243, 0.9);
  backdrop-filter: blur(8px);
  cursor: pointer;
  display: grid;
  place-items: center;
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: all 0.4s var(--ease);
}
.totop.is-on { opacity: 1; transform: none; pointer-events: auto; }
.totop:hover { border-color: var(--rose); color: var(--rose-d); }

/* ---------- 404 ---------- */
.err {
  min-height: 68vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding-block: 80px;
}
.err .code {
  font-family: var(--serif);
  font-size: clamp(90px, 16vw, 190px);
  line-height: 1;
  color: rgba(154, 118, 104, 0.16);
}

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .plate { max-width: 520px; }
  .sectors { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-products { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .process { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .step:nth-child(3n) { border-right: 1px solid var(--line); }
  .step:nth-child(3n + 1) { border-left: 1px solid var(--line); }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat:nth-child(3) { border-left: 0; padding-left: 0; }
  .foot-top { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cta-inner { grid-template-columns: 1fr; }
  .cap { grid-template-columns: 60px minmax(0, 1fr); }
  .cap p, .cap ul { grid-column: 2; }
}

@media (max-width: 860px) {
  .nav, .head-tel { display: none; }
  .burger { display: inline-flex; }
  .head-inner { height: 64px; }
  .sec-head { grid-template-columns: 1fr; align-items: start; }
  .case { grid-template-columns: 1fr; }
  .case:nth-child(even) .case-media { order: 0; }
  .split, .split--wide-right { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .foot-top { grid-template-columns: 1fr 1fr; }
  .foot-bottom { flex-direction: column; align-items: flex-start; }
  .page-head .ch-bg { opacity: 0.6; right: -4%; }
  .about-list li { grid-template-columns: 90px minmax(0, 1fr); gap: 16px; }
}

@media (max-width: 620px) {
  body { font-size: 15px; }
  .sectors { grid-template-columns: 1fr; }
  .grid-products { grid-template-columns: 1fr; }
  .process { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .step:nth-child(odd) { border-left: 1px solid var(--line); }
  .step .n { margin-bottom: 24px; }
  .step::after { display: none; }
  .stats { grid-template-columns: 1fr; }
  .stat { border-left: 0; padding-left: 0; border-top: 1px solid rgba(236, 231, 224, 0.14); }
  .stat:first-child { border-top: 0; }
  .field-row { grid-template-columns: 1fr; }
  .hero-facts { gap: 16px 24px; }
  .foot-top { grid-template-columns: 1fr; }
  .btn-row .btn, .cta-actions .btn, .form .btn { width: 100%; justify-content: center; }
  .cta-actions { justify-items: stretch; }
  .spec th { white-space: normal; width: 42%; }
  .spec th, .spec td { padding: 12px 10px; }
  .cap { grid-template-columns: 1fr; gap: 10px; }
  .cap p, .cap ul { grid-column: 1; }
  .info-row { grid-template-columns: 1fr; gap: 4px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .strip-track { animation: none; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}

/* ---------- print ---------- */
@media print {
  .site-head, .drawer, .totop, .strip { display: none; }
  body { background: #fff; color: #000; }
}