/* ============================================================
   ANFA CHEMICAL — Design System
   Western industrial-corporate style (Honeywell / Solvay / DDF)
   ============================================================ */

:root {
  /* Brand palette */
  --navy-900: #06182b;
  --navy-800: #0a2540;
  --navy-700: #0f3155;
  --navy-600: #16436f;
  --cyan-500: #00a8c8;
  --cyan-400: #2ec4dd;
  --cyan-100: #d5f1f8;
  --amber-500: #f2994a;
  --amber-600: #e07b1f;

  /* Neutrals */
  --ink-900: #0d1b2a;
  --ink-700: #2c3e50;
  --ink-500: #5a6b7c;
  --ink-400: #7d8b9a;
  --line: #dfe5ec;
  --line-soft: #eef2f6;
  --surface: #ffffff;
  --surface-alt: #f5f8fa;
  --surface-dark: #081c30;

  /* Typography */
  --font-sans: "Inter", "Helvetica Neue", "Segoe UI", "PingFang SC",
    "Microsoft YaHei", Arial, sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;

  /* Layout */
  --maxw: 1280px;
  --gutter: 40px;
  --radius: 4px;
  --radius-lg: 8px;
  --header-h: 78px;

  /* Elevation */
  --shadow-sm: 0 1px 3px rgba(6, 24, 43, 0.08);
  --shadow-md: 0 8px 28px rgba(6, 24, 43, 0.1);
  --shadow-lg: 0 24px 60px rgba(6, 24, 43, 0.16);

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

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

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink-700);
  background: var(--surface);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; cursor: pointer; }

h1, h2, h3, h4 {
  font-family: var(--font-sans);
  color: var(--navy-800);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 0.5em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4.25rem); }
h2 { font-size: clamp(1.85rem, 3.2vw, 2.75rem); }
h3 { font-size: clamp(1.15rem, 1.8vw, 1.5rem); }
h4 { font-size: 1.0625rem; }

p { margin: 0 0 1.1em; }
p:last-child { margin-bottom: 0; }

/* ---------- Utilities ---------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.container--narrow { max-width: 900px; }

.section { padding: 96px 0; }
.section--tight { padding: 64px 0; }
.section--alt { background: var(--surface-alt); }
.section--dark { background: var(--surface-dark); color: #c7d5e2; }
.section--dark h2, .section--dark h3 { color: #fff; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan-500);
  margin-bottom: 18px;
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--cyan-500);
}

.lede {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--ink-500);
  max-width: 68ch;
}

.text-mono {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  letter-spacing: 0.02em;
}

.center { text-align: center; }
.center .lede { margin-left: auto; margin-right: auto; }

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

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  border: 1px solid transparent;
  border-radius: var(--radius);
  transition: all 0.25s var(--ease);
  white-space: nowrap;
}

.btn--primary {
  background: var(--cyan-500);
  color: #fff;
}
.btn--primary:hover {
  background: #0090ad;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 168, 200, 0.3);
}

.btn--outline {
  border-color: rgba(10, 37, 64, 0.35);
  color: var(--navy-800);
}
.btn--outline:hover {
  background: var(--navy-800);
  border-color: var(--navy-800);
  color: #fff;
  transform: translateY(-2px);
}

.btn--dark {
  background: var(--navy-800);
  color: #fff;
}
.btn--dark:hover {
  background: var(--navy-700);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--ghost {
  border-color: var(--line);
  color: var(--navy-800);
  background: #fff;
}
.btn--ghost:hover {
  border-color: var(--navy-800);
  background: var(--navy-800);
  color: #fff;
}

.btn .arrow { transition: transform 0.25s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }

/* ---------- Header ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  transition: background 0.3s var(--ease), box-shadow 0.3s var(--ease),
    height 0.3s var(--ease);
}

.header.is-scrolled {
  background: rgba(255, 255, 255, 0.97);
  box-shadow: 0 6px 24px rgba(6, 24, 43, 0.08);
  height: 68px;
}

.header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

/* Logo */
.logo { display: flex; align-items: center; gap: 14px; }

.logo__img {
  height: 38px;
  width: auto;
  flex: 0 0 auto;
}

.logo__text { display: flex; flex-direction: column; line-height: 1.15; }
.logo__name {
  color: var(--navy-800);
  font-weight: 700;
  font-size: 1.0625rem;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.logo__sub {
  color: var(--ink-400);
  font-size: 0.6563rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

/* Nav */
.nav { display: flex; align-items: center; gap: 6px; }

.nav__link {
  position: relative;
  padding: 8px 14px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--ink-700);
  transition: color 0.2s var(--ease);
}
.nav__link:hover { color: var(--navy-800); }
.nav__link.is-active { color: var(--navy-800); font-weight: 600; }
.nav__link.is-active::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 0;
  height: 2px;
  background: var(--cyan-500);
}

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

/* Language switch */
.lang-switch {
  display: flex;
  border: 1px solid var(--line);
  border-radius: 3px;
  overflow: hidden;
}
.lang-switch button {
  background: transparent;
  border: 0;
  color: var(--ink-500);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 6px 10px;
  transition: all 0.2s var(--ease);
}
.lang-switch button:hover { color: var(--navy-800); }
.lang-switch button.is-active {
  background: var(--navy-800);
  color: #fff;
}

.header__cta {
  padding: 10px 20px;
  font-size: 0.875rem;
  background: var(--cyan-500);
  color: #fff;
  border-radius: 3px;
  font-weight: 600;
  transition: all 0.2s var(--ease);
}
.header__cta:hover { background: #0090ad; }

/* Mobile toggle */
.burger {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  background: transparent;
  border-radius: 3px;
  position: relative;
}
.burger span {
  position: absolute;
  left: 11px;
  right: 11px;
  height: 2px;
  background: var(--navy-800);
  transition: all 0.25s var(--ease);
}
.burger span:nth-child(1) { top: 14px; }
.burger span:nth-child(2) { top: 20px; }
.burger span:nth-child(3) { top: 26px; }
.burger.is-open span:nth-child(1) { top: 20px; transform: rotate(45deg); }
.burger.is-open span:nth-child(2) { opacity: 0; }
.burger.is-open span:nth-child(3) { top: 20px; transform: rotate(-45deg); }

/* Mobile drawer */
.mobile-nav {
  position: fixed;
  inset: var(--header-h) 0 auto 0;
  background: #fff;
  padding: 12px var(--gutter) 32px;
  transform: translateY(-12px);
  opacity: 0;
  pointer-events: none;
  transition: all 0.28s var(--ease);
  z-index: 99;
  border-top: 1px solid var(--line);
  box-shadow: 0 24px 48px rgba(6, 24, 43, 0.12);
  max-height: calc(100vh - var(--header-h));
  overflow-y: auto;
}
.mobile-nav.is-open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}
.mobile-nav a {
  display: block;
  padding: 14px 0;
  color: var(--ink-700);
  font-size: 1.0625rem;
  border-bottom: 1px solid var(--line-soft);
}
.mobile-nav .btn { margin-top: 22px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: #fff;
  overflow: hidden;
  padding-top: var(--header-h);
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 80% 24%, rgba(0, 168, 200, 0.1), transparent 44%),
    radial-gradient(circle at 8% 82%, rgba(10, 37, 64, 0.05), transparent 52%),
    linear-gradient(165deg, #ffffff 0%, #f7fafc 58%, #eef5f9 100%);
}

/* molecular grid pattern overlay */
.hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(10, 37, 64, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10, 37, 64, 0.055) 1px, transparent 1px);
  background-size: 68px 68px;
  mask-image: radial-gradient(ellipse at 60% 40%, #000 20%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse at 60% 40%, #000 20%, transparent 78%);
}

/* floating molecule SVG */
.hero__molecule {
  position: absolute;
  right: -60px;
  top: 50%;
  transform: translateY(-50%);
  width: 720px;
  opacity: 0.6;
  pointer-events: none;
  animation: floatY 14s ease-in-out infinite;
}

@keyframes floatY {
  0%, 100% { transform: translateY(-50%) translateX(0); }
  50% { transform: translateY(-54%) translateX(-14px); }
}

.hero > .container {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: calc(100vh - var(--header-h));
  padding-top: 40px;
  padding-bottom: 0;
}

.hero__inner {
  padding: 60px 0 90px;
  max-width: 780px;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan-500);
  margin-bottom: 24px;
}
.hero__eyebrow::before {
  content: "";
  width: 32px;
  height: 2px;
  background: var(--cyan-500);
}

.hero h1 {
  color: var(--navy-800);
  font-size: clamp(2.6rem, 5.6vw, 4.5rem);
  margin-bottom: 26px;
}
.hero h1 .accent { color: var(--cyan-500); }

.hero__lede {
  font-size: clamp(1.0625rem, 1.5vw, 1.25rem);
  line-height: 1.7;
  color: var(--ink-500);
  max-width: 60ch;
  margin-bottom: 40px;
}

.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; }

.hero__stats {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  margin-top: auto;
}

.hero__stat {
  background: var(--navy-800);
  padding: 28px 24px;
}
.hero__stat dt {
  font-size: 2rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 8px;
}
.hero__stat dt em {
  font-style: normal;
  font-size: 0.6em;
  color: var(--cyan-400);
}
.hero__stat dd {
  margin: 0;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 0.04em;
}

/* ---------- Page header (inner pages) ---------- */
.page-hero {
  position: relative;
  padding: 190px 0 90px;
  background: linear-gradient(135deg, #06182b, #0f3155 70%);
  color: #fff;
  overflow: hidden;
}
.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}
.page-hero__inner { position: relative; z-index: 2; }
.page-hero h1 { color: #fff; margin-bottom: 18px; }
.page-hero p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 1.125rem;
  max-width: 62ch;
  margin: 0;
}

.breadcrumb {
  display: flex;
  gap: 10px;
  align-items: center;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 20px;
}
.breadcrumb a:hover { color: var(--cyan-400); }
.breadcrumb span { opacity: 0.5; }

/* ---------- Cards / grids ---------- */
.grid { display: grid; gap: 28px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

/* Product card */
.pcard {
  position: relative;
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.3s var(--ease);
}
.pcard:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.pcard__media {
  position: relative;
  height: 190px;
  background: linear-gradient(140deg, var(--navy-700), var(--navy-900));
  display: grid;
  place-items: center;
  overflow: hidden;
}
.pcard__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 32px 32px;
}
.pcard__formula {
  position: relative;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 2.25rem;
  font-weight: 600;
  color: #fff;
  letter-spacing: 0.02em;
}
.pcard__formula sub { font-size: 0.6em; }
.pcard__tag {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 3;
  background: var(--cyan-500);
  color: #fff;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 5px 10px;
  border-radius: 2px;
}
.pcard__tag--amber { background: var(--amber-600); }

.pcard__body { padding: 24px 24px 26px; flex: 1; display: flex; flex-direction: column; }
.pcard__cas {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-400);
  margin-bottom: 8px;
}
.pcard__title { font-size: 1.1875rem; margin-bottom: 10px; }
.pcard__title a:hover { color: var(--cyan-500); }
.pcard__desc {
  font-size: 0.9375rem;
  color: var(--ink-500);
  line-height: 1.6;
  margin-bottom: 18px;
  flex: 1;
}
.pcard__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--navy-700);
}
.pcard__link svg { transition: transform 0.25s var(--ease); }
.pcard:hover .pcard__link { color: var(--cyan-500); }
.pcard:hover .pcard__link svg { transform: translateX(5px); }

/* Application tile */
.app-tile {
  position: relative;
  display: block;
  min-height: 260px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--navy-800);
  padding: 34px;
  color: #fff;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.app-tile:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.app-tile::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(0, 168, 200, 0.35), transparent 62%);
  opacity: 0.85;
  transition: opacity 0.35s var(--ease);
}
.app-tile:hover::before { opacity: 1; }
.app-tile__content { position: relative; z-index: 2; height: 100%; display: flex; flex-direction: column; }
.app-tile__icon { margin-bottom: 18px; opacity: 0.9; }
.app-tile h3 { color: #fff; font-size: 1.25rem; margin-bottom: 10px; }
.app-tile p {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.6;
  margin: 0 0 16px;
}
.app-tile__more {
  margin-top: auto;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--cyan-400);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Feature / value card */
.feature {
  padding: 34px 30px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  transition: all 0.3s var(--ease);
}
.feature:hover { border-color: var(--cyan-500); box-shadow: var(--shadow-sm); }
.feature__num {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--cyan-500);
  font-weight: 600;
  margin-bottom: 14px;
}
.feature h3 { font-size: 1.125rem; margin-bottom: 10px; }
.feature p { font-size: 0.9375rem; color: var(--ink-500); margin: 0; }

/* ---------- Spec table ---------- */
.spec-table-wrap {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow-x: auto;
  background: #fff;
}
table.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  min-width: 620px;
}
table.spec-table thead th {
  background: var(--navy-800);
  color: #fff;
  font-weight: 600;
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  text-align: left;
  padding: 14px 18px;
  white-space: nowrap;
}
table.spec-table th:first-child { border-radius: 0; }
table.spec-table tbody th {
  text-align: left;
  font-weight: 500;
  color: var(--navy-800);
  padding: 13px 18px;
  border-bottom: 1px solid var(--line-soft);
  background: var(--surface-alt);
  white-space: nowrap;
}
table.spec-table td {
  padding: 13px 18px;
  border-bottom: 1px solid var(--line-soft);
  color: var(--ink-700);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}
table.spec-table tbody tr:hover td,
table.spec-table tbody tr:hover th { background: #eef8fb; }
table.spec-table caption {
  caption-side: bottom;
  padding: 14px 18px;
  font-size: 0.8125rem;
  color: var(--ink-400);
  text-align: left;
  background: var(--surface-alt);
}

/* ---------- Spec / property list ---------- */
.prop-list {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.prop-list > div {
  padding: 14px 20px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 0.9375rem;
}
.prop-list > div:nth-child(odd) {
  background: var(--surface-alt);
  font-weight: 600;
  color: var(--navy-800);
}
.prop-list > div:nth-last-child(-n + 2) { border-bottom: 0; }

/* ---------- Product detail layout ---------- */
.detail-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 56px;
  align-items: start;
}

.detail-side {
  position: sticky;
  top: 100px;
  background: var(--surface-alt);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px;
}
.detail-side h3 {
  font-size: 1rem;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--navy-800);
  margin-bottom: 18px;
}
.quick-facts { display: grid; gap: 0; }
.quick-facts div {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 0.9rem;
}
.quick-facts div:last-child { border-bottom: 0; }
.quick-facts dt { color: var(--ink-500); flex: 0 0 auto; }
.quick-facts dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--navy-800);
  text-align: right;
  font-weight: 600;
}

.detail-side .btn { width: 100%; justify-content: center; margin-top: 22px; }

/* Packaging chips */
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 15px;
  border: 1px solid var(--line);
  border-radius: 100px;
  font-size: 0.875rem;
  background: #fff;
  color: var(--ink-700);
}
.chip strong { color: var(--navy-800); font-weight: 600; }

/* ---------- Tabs ---------- */
.tabs { border-bottom: 1px solid var(--line); display: flex; gap: 4px; flex-wrap: wrap; margin-bottom: 34px; }
.tab {
  background: none;
  border: 0;
  padding: 14px 22px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--ink-500);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: all 0.2s var(--ease);
}
.tab:hover { color: var(--navy-800); }
.tab.is-active { color: var(--navy-800); border-bottom-color: var(--cyan-500); }
.tab-panel { display: none; animation: fadeUp 0.4s var(--ease); }
.tab-panel.is-active { display: block; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- Process / timeline ---------- */
.process {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  counter-reset: step;
}
.process__item {
  position: relative;
  padding: 34px 22px 10px 0;
}
.process__item::before {
  counter-increment: step;
  content: "0" counter(step);
  display: block;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--cyan-500);
  margin-bottom: 14px;
}
.process__item::after {
  content: "";
  position: absolute;
  top: 22px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--line);
  z-index: 0;
}
.process__item:last-child::after { right: 22px; }
.process__item h4 { font-size: 1rem; margin-bottom: 8px; position: relative; }
.process__item p { font-size: 0.875rem; color: var(--ink-500); margin: 0; position: relative; }

/* ---------- Stats band ---------- */
.stats-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}
.stat__value {
  font-size: clamp(2rem, 3.4vw, 2.75rem);
  font-weight: 700;
  color: #fff;
  line-height: 1;
  letter-spacing: -0.03em;
  margin-bottom: 10px;
}
.stat__value em { font-style: normal; color: var(--cyan-400); font-size: 0.55em; }
.stat__label { font-size: 0.875rem; color: rgba(255, 255, 255, 0.62); line-height: 1.5; }

/* ---------- Certifications ---------- */
.cert-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.cert {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 22px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius);
  font-size: 0.9375rem;
  color: #fff;
  background: rgba(255, 255, 255, 0.04);
}
.cert svg { flex: 0 0 auto; }

/* ---------- EcoVadis badge ---------- */
.eco-badge {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 20px 26px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.04);
  transition: all 0.3s var(--ease);
}
.eco-badge:hover {
  border-color: rgba(46, 196, 221, 0.55);
  background: rgba(255, 255, 255, 0.07);
}

.eco-badge__medal { flex: 0 0 auto; }

.eco-badge__name {
  display: block;
  font-size: 1.0625rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.01em;
  line-height: 1.2;
}
.eco-badge__label {
  display: block;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.66);
  letter-spacing: 0.02em;
  margin-top: 2px;
}
.eco-badge__status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--cyan-400);
}
.eco-badge__status::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan-400);
  animation: pulseDot 2.2s ease-in-out infinite;
}
@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.45; transform: scale(0.75); }
}

/* light-surface variant */
.eco-badge--light {
  border-color: var(--line);
  background: #fff;
}
.eco-badge--light:hover {
  border-color: var(--cyan-500);
  background: #fff;
  box-shadow: var(--shadow-sm);
}
.eco-badge--light .eco-badge__name { color: var(--navy-800); }
.eco-badge--light .eco-badge__label { color: var(--ink-500); }
.eco-badge--light .eco-badge__status { color: var(--cyan-500); }
.eco-badge--light .eco-badge__status::before { background: var(--cyan-500); }

/* Trust strip (home) */
.trust-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 20px;
  padding: 28px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.trust-strip .cert {
  border-color: var(--line);
  background: #fff;
  color: var(--ink-700);
}

/* ---------- CTA band ---------- */
.cta-band {
  position: relative;
  background: linear-gradient(120deg, var(--navy-800), var(--navy-600) 60%, #0f4a72);
  color: #fff;
  padding: 76px 0;
  overflow: hidden;
}
.cta-band::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 54px 54px;
}
.cta-band__inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}
.cta-band h2 { color: #fff; margin-bottom: 12px; }
.cta-band p { color: rgba(255, 255, 255, 0.72); margin: 0; max-width: 52ch; }

/* ---------- Forms ---------- */
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.field { display: flex; flex-direction: column; gap: 8px; }
.field--full { grid-column: 1 / -1; }
.field label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--navy-800);
  letter-spacing: 0.02em;
}
.field input,
.field select,
.field textarea {
  font-family: inherit;
  font-size: 0.9375rem;
  padding: 13px 15px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink-900);
  transition: all 0.2s var(--ease);
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--cyan-500);
  box-shadow: 0 0 0 3px rgba(0, 168, 200, 0.14);
}
.field textarea { resize: vertical; min-height: 130px; }

.form-note {
  font-size: 0.8125rem;
  color: var(--ink-400);
  margin-top: 18px;
}

/* ---------- Contact cards ---------- */
.contact-card {
  padding: 30px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}
.contact-card h3 { font-size: 1.0625rem; margin-bottom: 14px; }
.contact-card p { font-size: 0.9375rem; color: var(--ink-500); margin-bottom: 6px; }
.contact-card a { color: var(--cyan-500); font-weight: 600; }
.contact-card a:hover { text-decoration: underline; }

/* ---------- Footer ---------- */
.footer {
  background: var(--navy-900);
  color: rgba(255, 255, 255, 0.6);
  padding: 76px 0 0;
  font-size: 0.9375rem;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 44px;
  padding-bottom: 56px;
}
.footer__brand p {
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.9rem;
  line-height: 1.7;
  max-width: 34ch;
  margin: 18px 0 0;
}
.footer h4 {
  color: #fff;
  font-size: 0.8125rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.footer ul { display: grid; gap: 11px; }
.footer ul a {
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.9rem;
  transition: color 0.2s var(--ease);
}
.footer ul a:hover { color: var(--cyan-400); }

/* External link (group site) */
.ext-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.ext-link::after {
  content: "";
  width: 9px;
  height: 9px;
  flex: 0 0 9px;
  background: currentColor;
  opacity: 0.55;
  clip-path: polygon(0 20%, 0 0, 100% 0, 100% 80%, 80% 80%, 80% 100%, 20% 100%, 20% 20%);
  transition: transform 0.2s var(--ease), opacity 0.2s var(--ease);
}
.ext-link:hover::after { opacity: 1; transform: translate(1px, -1px); }

.footer__group {
  margin-top: 4px;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}
.footer__group small {
  display: block;
  color: rgba(255, 255, 255, 0.35);
  font-size: 0.75rem;
  margin-top: 2px;
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.45);
}
.footer__bottom a:hover { color: var(--cyan-400); }
.footer__icp { color: rgba(255, 255, 255, 0.32); }

/* ---------- Reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .detail-layout { grid-template-columns: 1fr; gap: 40px; }
  .detail-side { position: static; }
  .hero__molecule { width: 480px; right: -120px; opacity: 0.35; }
}

@media (max-width: 900px) {
  :root { --gutter: 24px; }
  .section { padding: 68px 0; }
  .nav, .header__cta { display: none; }
  .burger { display: block; }
  .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--2 { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  .hero__inner { padding: 60px 0 70px; }
  .hero__stats { grid-template-columns: repeat(2, 1fr); }
  .stats-band { grid-template-columns: repeat(2, 1fr); }
  .process { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .page-hero { padding: 150px 0 64px; }
  .form-grid { grid-template-columns: 1fr; }
  .prop-list { grid-template-columns: 130px 1fr; }
}

@media (max-width: 600px) {
  .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .hero__stats { grid-template-columns: 1fr; }
  .stats-band { grid-template-columns: 1fr; }
  .process { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .cta-band__inner { flex-direction: column; align-items: flex-start; }
}

/* ---------- Print ---------- */
@media print {
  .header, .footer, .cta-band { display: none; }
}
