/* =========================================================
   江西红睿马钢管股份有限公司 — 官网样式
   VI: 标准红 #D0121B / 辅助黑 #2C2321 / 银灰 / 白
   字体: Noto Sans SC (中文) + Oswald (英文/数字, 近 DIN/CocoGoose)
   ========================================================= */

:root {
  --red: #D0121B;
  --red-dark: #a50e16;
  --red-soft: #e8333c;
  --ink: #2C2321;
  --ink-2: #1c1614;
  --ink-3: #3a302d;
  --gray-1: #f5f6f7;
  --gray-2: #eceef0;
  --gray-3: #d7dbdf;
  --gray-text: #6a7178;
  --silver: linear-gradient(135deg, #e9ecef 0%, #c4cace 40%, #f3f5f6 60%, #aeb4b8 100%);
  --text: #222;
  --maxw: 1200px;
  --radius: 4px;
  --shadow-sm: 0 4px 14px rgba(0,0,0,.08);
  --shadow-md: 0 14px 40px rgba(0,0,0,.12);
  --shadow-lg: 0 24px 60px rgba(0,0,0,.18);
  --ease: cubic-bezier(.22,.61,.36,1);
  --header-h: 76px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: #fff;
  line-height: 1.7;
  overflow-x: hidden;
  font-weight: 400;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.eng { font-family: "Oswald", "Noto Sans SC", sans-serif; letter-spacing: .04em; }

/* ---------- layout ---------- */
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
section { position: relative; }
.section-pad { padding: 110px 0; }
.bg-gray { background: var(--gray-1); }
.bg-ink { background: var(--ink); color: #fff; }

/* ---------- section heading ---------- */
.head { margin-bottom: 56px; }
.head.center { text-align: center; }
.head .kicker {
  display: inline-block;
  font-family: "Oswald", sans-serif;
  font-weight: 600;
  letter-spacing: .28em;
  font-size: 13px;
  color: var(--red);
  text-transform: uppercase;
  margin-bottom: 14px;
  position: relative;
  padding-left: 0;
}
.head.center .kicker::before,
.head.center .kicker::after {
  content: ""; display: inline-block; width: 28px; height: 2px;
  background: var(--red); vertical-align: middle; margin: 0 12px;
}
.head h2 {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 900;
  line-height: 1.15;
  color: var(--ink);
  letter-spacing: .01em;
}
.bg-ink .head h2 { color: #fff; }
.head h2 em { color: var(--red); font-style: normal; }
.head .sub { margin-top: 16px; color: var(--gray-text); font-size: 16px; max-width: 640px; }
.head.center .sub { margin-left: auto; margin-right: auto; }
.bg-ink .head .sub { color: #b9b2ae; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 30px; font-weight: 700; font-size: 15px;
  border-radius: var(--radius); border: 2px solid transparent;
  transition: all .3s var(--ease); cursor: pointer;
}
.btn-red { background: var(--red); color: #fff; }
.btn-red:hover { background: var(--red-dark); transform: translateY(-2px); box-shadow: 0 12px 26px rgba(208,18,27,.34); }
.btn-ghost { border-color: rgba(255,255,255,.5); color: #fff; }
.btn-ghost:hover { background: #fff; color: var(--ink); border-color: #fff; }
.btn-outline { border-color: var(--red); color: var(--red); }
.btn-outline:hover { background: var(--red); color: #fff; }
.btn .arrow { transition: transform .3s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }

/* ====================== HEADER ====================== */
.site-header {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
  height: var(--header-h);
  display: flex; align-items: center;
  transition: background .35s var(--ease), box-shadow .35s var(--ease), height .35s var(--ease);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; }
.brand img { height: 38px; width: auto; transition: opacity .3s; }
.brand .logo-red { display: none; }
.site-header.scrolled { background: #fff; box-shadow: 0 2px 20px rgba(0,0,0,.09); height: 64px; }
.site-header.scrolled .brand .logo-white { display: none; }
.site-header.scrolled .brand .logo-red { display: block; }

.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  position: relative; padding: 10px 18px; font-size: 15.5px; font-weight: 500;
  color: #fff; transition: color .25s;
}
.site-header.scrolled .nav a { color: var(--ink); }
.nav a::after {
  content: ""; position: absolute; left: 18px; right: 18px; bottom: 4px; height: 2px;
  background: var(--red); transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease);
}
.nav a:hover::after, .nav a.active::after { transform: scaleX(1); }
.nav a:hover, .nav a.active { color: var(--red); }
.site-header.scrolled .nav a:hover, .site-header.scrolled .nav a.active { color: var(--red); }

.header-cta { display: flex; align-items: center; gap: 18px; }
.lang { font-family: "Oswald",sans-serif; font-size: 14px; font-weight: 600; letter-spacing: .1em; color:#fff; opacity:.85; }
.site-header.scrolled .lang { color: var(--ink); }
.lang:hover { color: var(--red); opacity:1; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 26px; height: 2.5px; background: #fff; transition: all .3s var(--ease); border-radius: 2px; }
.site-header.scrolled .nav-toggle span { background: var(--ink); }

/* ====================== HERO ====================== */
.hero {
  position: relative; min-height: 100vh; display: flex; flex-direction: column;
  background: linear-gradient(120deg, #211a18 0%, #2C2321 45%, #3a2c29 100%);
  color: #fff; overflow: hidden; padding-top: var(--header-h);
}
.hero__bg {
  position: absolute; inset: 0; z-index: 0;
  background: url("../img/hero-tubes.jpg") right center/contain no-repeat;
  opacity: .9;
}
.hero__bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(105deg, var(--ink) 0%, rgba(44,35,33,.96) 30%, rgba(44,35,33,.55) 55%, rgba(44,35,33,.15) 100%);
}
.hero__pattern { position: absolute; inset: 0; z-index: 1; opacity: .05; pointer-events: none; }
.hero .container { position: relative; z-index: 2; flex: 1 1 auto; display: flex; align-items: center; padding-top: 34px; padding-bottom: 28px; }
.hero__slash {
  position: absolute; top: 0; bottom: 0; right: 0; width: 46%; z-index: 1;
  background: var(--red); clip-path: polygon(38% 0, 100% 0, 100% 100%, 12% 100%);
  opacity: .92; mix-blend-mode: normal;
  display: none; /* refined hero uses gradient instead; keep subtle accent below */
}
.hero__accent {
  position: absolute; right: -120px; top: 50%; transform: translateY(-50%);
  width: 520px; height: 520px; border-radius: 50%;
  border: 60px solid var(--red); opacity: .14; z-index: 1;
}
.hero-inner { max-width: 660px; }
.hero .tagline-en {
  font-family: "Oswald",sans-serif; letter-spacing: .34em; text-transform: uppercase;
  font-size: 14px; color: var(--red-soft); font-weight: 600; margin-bottom: 22px;
}
.hero h1 {
  font-size: clamp(38px, 6vw, 72px); font-weight: 900; line-height: 1.08;
  letter-spacing: .01em; margin-bottom: 24px;
}
.hero h1 em { color: var(--red-soft); font-style: normal; }
.hero p.lead { font-size: clamp(16px, 2vw, 20px); color: #d8d2cf; max-width: 540px; margin-bottom: 38px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-stats {
  position: relative; z-index: 2; width: 100%; margin-top: auto;
  background: rgba(28,22,20,.55); backdrop-filter: blur(6px);
  border-top: 1px solid rgba(255,255,255,.1);
}
.hero-stats .container { display: grid; grid-template-columns: repeat(4,1fr); }
.hero-stats .hs {
  padding: 26px 16px; text-align: center; border-right: 1px solid rgba(255,255,255,.1);
}
.hero-stats .hs:last-child { border-right: 0; }
.hero-stats .num { font-family: "Oswald",sans-serif; font-size: clamp(26px,3vw,36px); font-weight: 700; color: #fff; line-height: 1; }
.hero-stats .num span:not([data-count]) { color: var(--red-soft); font-size: .5em; font-weight: 600; margin-left: .08em; }
.hero-stats .lab { font-size: 14px; color: #c4bdb9; margin-top: 10px; letter-spacing: .02em; }

.scroll-cue {
  position: relative; z-index: 3; align-self: center; margin: 0 auto 20px;
  width: 24px; height: 40px; border: 2px solid rgba(255,255,255,.5); border-radius: 14px;
  display: flex; justify-content: center; padding-top: 8px; flex: 0 0 auto;
}
.scroll-cue i { width: 4px; height: 8px; background: #fff; border-radius: 2px; animation: scrollDot 1.6s infinite; }
@keyframes scrollDot { 0%{opacity:0;transform:translateY(-4px);} 50%{opacity:1;} 100%{opacity:0;transform:translateY(12px);} }

/* ====================== ABOUT ====================== */
.about-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 64px; align-items: center; }
.about-media { position: relative; }
.about-media img { border-radius: 6px; box-shadow: var(--shadow-md); }
.about-media .badge {
  position: absolute; left: -26px; bottom: -26px; background: var(--red); color: #fff;
  padding: 22px 28px; border-radius: 6px; box-shadow: var(--shadow-md);
}
.about-media .badge .b-num { font-family:"Oswald",sans-serif; font-size: 40px; font-weight: 700; line-height: 1; }
.about-media .badge .b-lab { font-size: 13px; opacity: .92; margin-top: 4px; }
.about-media .frame { position:absolute; inset:-18px -18px auto auto; width:70%; height:70%; border:3px solid var(--red); border-radius:6px; z-index:-1; opacity:.5; }
.about-text p { color: #4a5159; font-size: 16.5px; margin-bottom: 18px; }
.about-text .lead-line { font-size: 19px; color: var(--ink); font-weight: 700; line-height: 1.6; margin-bottom: 22px; }
.about-stats { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; margin-top: 34px; }
.about-stats .as { border-left: 3px solid var(--red); padding-left: 16px; }
.about-stats .as .n { font-family:"Oswald",sans-serif; font-size: 30px; font-weight: 700; color: var(--ink); line-height: 1; }
.about-stats .as .n span:not([data-count]) { font-size: .5em; color: var(--red); font-weight: 600; margin-left: .06em; }
.about-stats .as .t { font-size: 14.5px; color: var(--gray-text); margin-top: 8px; }

/* ====================== CULTURE ====================== */
.culture-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 26px; }
.culture-card {
  background: #fff; border-radius: 8px; padding: 38px 28px; text-align: center;
  box-shadow: var(--shadow-sm); border: 1px solid var(--gray-2);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
  position: relative; overflow: hidden;
}
.culture-card::before {
  content:""; position:absolute; top:0; left:0; width:100%; height:4px; background: var(--red);
  transform: scaleX(0); transform-origin: left; transition: transform .4s var(--ease);
}
.culture-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); }
.culture-card:hover::before { transform: scaleX(1); }
.culture-card .ic {
  width: 68px; height: 68px; margin: 0 auto 20px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #fdecec, #fff); color: var(--red);
  transition: all .35s var(--ease);
}
.culture-card:hover .ic { background: var(--red); color: #fff; transform: rotate(-6deg) scale(1.05); }
.culture-card .ic svg { width: 32px; height: 32px; }
.culture-card h3 { font-size: 20px; color: var(--ink); margin-bottom: 12px; font-weight: 700; }
.culture-card p { font-size: 15px; color: var(--gray-text); line-height: 1.7; }
.culture-card .en { font-family:"Oswald",sans-serif; font-size: 12px; letter-spacing:.2em; color: var(--gray-3); text-transform: uppercase; margin-top:14px; }

/* ====================== PRODUCTS ====================== */
.prod-tabs { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 44px; }
.prod-tab {
  padding: 12px 26px; border-radius: 40px; border: 1.5px solid var(--gray-3);
  font-size: 15px; font-weight: 600; color: var(--ink); cursor: pointer; background:#fff;
  transition: all .25s var(--ease);
}
.prod-tab:hover { border-color: var(--red); color: var(--red); }
.prod-tab.active { background: var(--red); border-color: var(--red); color: #fff; box-shadow: 0 8px 20px rgba(208,18,27,.28); }

.prod-panel { display: none; }
.prod-panel.active { display: block; animation: fadeUp .5s var(--ease); }
.prod-card {
  display: grid; grid-template-columns: 1fr 1.1fr; gap: 50px; align-items: center;
  background: #fff; border-radius: 10px; overflow: hidden; box-shadow: var(--shadow-md);
}
.prod-card__img { position: relative; min-height: 360px; height: 100%; }
.prod-card__img img { width: 100%; height: 100%; object-fit: cover; min-height: 360px; }
.prod-card__img .tag {
  position: absolute; top: 22px; left: 22px; background: var(--red); color:#fff;
  font-family:"Oswald",sans-serif; font-weight:600; letter-spacing:.08em; padding: 7px 16px; border-radius: 3px; font-size: 13px;
}
.prod-card__body { padding: 44px 50px 44px 0; }
.prod-card__body h3 { font-size: 28px; color: var(--ink); font-weight: 900; margin-bottom: 6px; }
.prod-card__body .h-en { font-family:"Oswald",sans-serif; letter-spacing:.16em; color: var(--red); text-transform: uppercase; font-size: 13px; margin-bottom: 20px; }
.prod-card__body .desc { color: #555; margin-bottom: 24px; font-size: 15.5px; }
.spec-row { display: flex; gap: 14px; padding: 14px 0; border-top: 1px solid var(--gray-2); }
.spec-row:last-child { border-bottom: 1px solid var(--gray-2); }
.spec-row .k { flex: 0 0 96px; font-weight: 700; color: var(--ink); font-size: 14.5px; }
.spec-row .v { color: #555; font-size: 14.5px; font-family: "Oswald", "Noto Sans SC", sans-serif; letter-spacing: .01em; }

/* ====================== APPLICATIONS ====================== */
.app-grid { display: grid; grid-template-columns: repeat(6,1fr); gap: 20px; }
.app-item {
  text-align: center; padding: 30px 14px; border-radius: 10px; background: var(--ink-3);
  border: 1px solid rgba(255,255,255,.06); transition: all .35s var(--ease);
}
.app-item:hover { background: var(--red); transform: translateY(-6px); }
.app-item .ai { width: 56px; height:56px; margin: 0 auto 14px; color: var(--red-soft); transition: color .3s; }
.app-item:hover .ai { color: #fff; }
.app-item .ai svg { width: 100%; height: 100%; }
.app-item h4 { font-size: 16px; color:#fff; font-weight:600; }
.app-item .e { font-family:"Oswald",sans-serif; font-size: 11px; letter-spacing:.12em; color:#9b938f; text-transform: uppercase; margin-top: 5px; }
.app-item:hover .e { color: rgba(255,255,255,.8); }

/* ====================== MANUFACTURING ====================== */
.mfg-hero {
  position: relative; border-radius: 12px; overflow: hidden; margin-bottom: 56px;
  min-height: 420px; display: flex; align-items: flex-end;
  background: url("../img/piercing.jpg") center/cover no-repeat;
}
.mfg-hero::after { content:""; position:absolute; inset:0; background: linear-gradient(0deg, rgba(28,22,20,.92), rgba(28,22,20,.1) 60%); }
.mfg-hero .mfg-hero__txt { position: relative; z-index: 2; padding: 44px; color: #fff; }
.mfg-hero h3 { font-size: clamp(24px,3vw,34px); font-weight:900; margin-bottom: 10px; }
.mfg-hero p { color:#d8d2cf; max-width: 620px; }

.cap-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.cap-card {
  background: var(--ink-3); border-radius: 10px; padding: 30px; border: 1px solid rgba(255,255,255,.07);
  transition: all .35s var(--ease); position: relative; overflow: hidden;
}
.cap-card:hover { transform: translateY(-6px); border-color: var(--red); }
.cap-card .cap-no { font-family:"Oswald",sans-serif; font-size: 14px; color: var(--red-soft); font-weight:600; letter-spacing:.1em; }
.cap-card h4 { font-size: 21px; color:#fff; margin: 8px 0 16px; font-weight:700; }
.cap-card .cap-metrics { display:flex; gap: 26px; }
.cap-card .cm .v { font-family:"Oswald",sans-serif; font-size: 30px; font-weight:700; color:#fff; line-height:1; }
.cap-card .cm .v span:not([data-count]) { font-size:.5em; color: var(--red-soft); font-weight:600; margin-left:.06em; }
.cap-card .cm .l { font-size: 12.5px; color:#a59d99; margin-top: 5px; }

/* process flow */
.flow { margin-top: 60px; }
.flow h3 { text-align:center; color:#fff; font-size: 22px; margin-bottom: 30px; font-weight:700; }
.flow-track { display:flex; flex-wrap:wrap; justify-content:center; gap: 10px; }
.flow-step {
  display:flex; align-items:center; gap:10px;
  background: rgba(255,255,255,.05); border:1px solid rgba(255,255,255,.1);
  border-radius: 40px; padding: 10px 20px; font-size:14px; color:#e3deda;
}
.flow-step .s-no { font-family:"Oswald",sans-serif; color:var(--red-soft); font-weight:700; font-size:13px; }
.flow-step .s-en { display:block; font-family:"Oswald",sans-serif; font-size:10.5px; color:#8d8480; letter-spacing:.08em; text-transform:uppercase; }
.flow-arrow { color: var(--red); align-self:center; font-weight:700; }

/* ====================== QUALITY ====================== */
.qual-grid { display:grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items:center; }
.qual-policy { background: var(--red); color:#fff; border-radius:12px; padding: 44px; box-shadow: var(--shadow-md); position:relative; overflow:hidden; }
.qual-policy::after{ content:"\201D"; position:absolute; right:24px; bottom:-30px; font-size:200px; opacity:.12; font-family:Georgia,serif; line-height:1; }
.qual-policy .qk { font-family:"Oswald",sans-serif; letter-spacing:.2em; font-size:13px; opacity:.85; text-transform:uppercase; margin-bottom:18px; }
.qual-policy .slogan { font-size: 26px; font-weight:900; line-height:1.5; }
.qual-targets { display:grid; grid-template-columns: repeat(3,1fr); gap:18px; margin-top:34px; }
.qual-targets .qt { background: rgba(255,255,255,.12); border-radius:8px; padding:18px 14px; text-align:center; }
.qual-targets .qt .qn { font-family:"Oswald",sans-serif; font-size:32px; font-weight:700; line-height:1; }
.qual-targets .qt .qn span:not([data-count]) { font-size:.5em; font-weight:600; margin-left:.04em; }
.qual-targets .qt .ql { font-size:13px; margin-top:8px; opacity:.9; }

.qual-list .qi { display:flex; gap:18px; padding: 22px 0; border-bottom:1px solid var(--gray-2); }
.qual-list .qi:first-child{ padding-top:0; }
.qual-list .qi .qic { flex:0 0 50px; height:50px; border-radius:50%; background: #fdecec; color:var(--red); display:flex; align-items:center; justify-content:center; }
.qual-list .qi .qic svg{ width:24px;height:24px; }
.qual-list .qi h4 { font-size:18px; color:var(--ink); margin-bottom:4px; font-weight:700; }
.qual-list .qi p { font-size:14.5px; color:var(--gray-text); }

.cert-bar { margin-top: 70px; }
.cert-bar .cert-items { display:flex; flex-wrap:wrap; gap: 14px; justify-content:center; }
.cert-chip {
  display:flex; align-items:center; gap:10px; background:#fff; border:1px solid var(--gray-2);
  border-radius: 40px; padding: 12px 24px; font-weight:600; color:var(--ink); font-size:14.5px; box-shadow: var(--shadow-sm);
}
.cert-chip svg { width:20px; height:20px; color: var(--red); }

/* ====================== STRENGTH / NETWORK ====================== */
.strength-grid { display:grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
.str-card { text-align:center; padding: 36px 22px; background:#fff; border-radius:10px; box-shadow: var(--shadow-sm); border:1px solid var(--gray-2); }
.str-card .sn { font-family:"Oswald",sans-serif; font-size:38px; font-weight:700; color:var(--red); line-height:1; }
.str-card .sn span:not([data-count]){ font-size:.48em; font-weight:600; margin-left:.05em; }
.str-card .sl { color:var(--ink); font-weight:700; margin-top:8px; }
.str-card .sd { color:var(--gray-text); font-size:13.5px; margin-top:4px; }

.network { display:grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items:center; margin-top:60px; }
.network .clients h4 { font-size:18px; color:var(--ink); margin: 18px 0 12px; font-weight:700; display:flex; align-items:center; gap:10px; }
.network .clients h4::before{ content:""; width:18px;height:3px; background:var(--red); display:inline-block; }
.client-tags { display:flex; flex-wrap:wrap; gap:9px; }
.client-tags span { background:var(--gray-1); border:1px solid var(--gray-2); border-radius:4px; padding:7px 14px; font-size:13.5px; color:#454c52; }
.client-tags.en span { font-family:"Oswald","Noto Sans SC",sans-serif; letter-spacing:.02em; }
.network .map-side { text-align:center; }
.network .map-side .bigpct { font-family:"Oswald",sans-serif; font-size: 76px; font-weight:700; color:var(--red); line-height:1; }
.network .map-side .bigpct span:not([data-count]){ font-size:.42em; font-weight:600; }
.network .map-side .pl { color:var(--ink); font-weight:700; font-size:18px; }
.network .map-side .pd { color:var(--gray-text); margin-top:10px; }

/* ====================== CTA ====================== */
.cta {
  background: linear-gradient(120deg, var(--ink) 0%, var(--ink-2) 100%); color:#fff;
  position: relative; overflow:hidden;
}
.cta__pattern{ position:absolute; inset:0; opacity:.05; }
.cta .container { position:relative; z-index:2; text-align:center; padding: 84px 24px; }
.cta h2 { font-size: clamp(28px,4vw,42px); font-weight:900; margin-bottom:16px; }
.cta h2 em{ color:var(--red-soft); font-style:normal; }
.cta p { color:#c8c1bd; max-width:560px; margin:0 auto 32px; }
.cta-actions{ display:flex; gap:16px; justify-content:center; flex-wrap:wrap; }

/* ====================== FOOTER ====================== */
.footer { background: var(--ink-2); color:#b3aba7; padding: 70px 0 0; }
.footer-top { display:grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 50px; border-bottom:1px solid rgba(255,255,255,.08); }
.footer .f-logo img{ height: 40px; margin-bottom: 20px; }
.footer .f-about p { font-size:14px; line-height:1.8; color:#9a928e; max-width: 320px; }
.footer h5 { color:#fff; font-size:16px; margin-bottom:20px; font-weight:700; }
.footer ul li { margin-bottom:12px; }
.footer ul li a { font-size:14px; color:#a59d99; transition: color .2s; }
.footer ul li a:hover { color: var(--red-soft); }
.footer .f-contact li { display:flex; gap:12px; font-size:14px; line-height:1.6; color:#a59d99; }
.footer .f-contact svg{ width:18px; height:18px; flex:0 0 18px; color:var(--red-soft); margin-top:3px; }
.footer-bottom { display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:12px; padding: 24px 0; font-size:13px; color:#7d756f; }
.footer-bottom a:hover{ color:var(--red-soft); }

/* ====================== reveal animation ====================== */
[data-reveal] { opacity:0; transform: translateY(36px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
[data-reveal].in { opacity:1; transform:none; }
[data-reveal][data-delay="1"]{ transition-delay:.1s; }
[data-reveal][data-delay="2"]{ transition-delay:.2s; }
[data-reveal][data-delay="3"]{ transition-delay:.3s; }
[data-reveal][data-delay="4"]{ transition-delay:.4s; }
[data-reveal][data-delay="5"]{ transition-delay:.5s; }
@keyframes fadeUp { from{opacity:0; transform:translateY(20px);} to{opacity:1;transform:none;} }

/* back to top */
.to-top {
  position: fixed; right: 26px; bottom: 26px; z-index: 900;
  width: 46px; height:46px; border-radius:50%; background:var(--red); color:#fff;
  display:flex; align-items:center; justify-content:center; cursor:pointer;
  box-shadow: 0 10px 24px rgba(208,18,27,.4); opacity:0; pointer-events:none;
  transition: opacity .3s, transform .3s; transform: translateY(10px);
}
.to-top.show { opacity:1; pointer-events:auto; transform:none; }
.to-top:hover { background: var(--red-dark); }

/* ====================== RESPONSIVE ====================== */
@media (max-width: 1024px) {
  .about-grid, .qual-grid, .network { grid-template-columns: 1fr; gap: 44px; }
  .culture-grid { grid-template-columns: repeat(2,1fr); }
  .cap-grid, .strength-grid { grid-template-columns: repeat(2,1fr); }
  .app-grid { grid-template-columns: repeat(3,1fr); }
  .prod-card { grid-template-columns: 1fr; }
  .prod-card__body { padding: 8px 32px 40px; }
  .prod-card__img img, .prod-card__img { min-height: 300px; }
  .hero__bg { opacity:.32; background-size: cover; }
}
@media (max-width: 768px) {
  .section-pad { padding: 72px 0; }
  :root { --header-h: 64px; }
  .nav-toggle { display:flex; }
  .header-cta .lang { display:none; }
  .nav {
    position: fixed; top: var(--header-h); left:0; right:0;
    background:#fff; flex-direction: column; align-items: stretch; gap:0;
    padding: 10px 0; box-shadow: var(--shadow-md);
    transform: translateY(-130%); transition: transform .4s var(--ease); max-height: calc(100vh - var(--header-h)); overflow:auto;
  }
  .nav.open { transform: translateY(0); }
  .nav a { color: var(--ink); padding: 15px 24px; border-bottom:1px solid var(--gray-1); }
  .nav a::after{ display:none; }
  .hero-stats .container { grid-template-columns: repeat(2,1fr); }
  .hero-stats .hs:nth-child(2){ border-right:0; }
  .hero-stats .hs { padding:18px 10px; border-bottom:1px solid rgba(255,255,255,.1); }
  .scroll-cue{ display:none; }
  .footer-top { grid-template-columns: 1fr 1fr; gap:30px; }
  .about-media .badge{ left:0; }
}
@media (max-width: 560px) {
  .culture-grid, .cap-grid, .strength-grid, .app-grid { grid-template-columns: 1fr 1fr; }
  .hero h1{ font-size: 40px; }
  .qual-targets{ grid-template-columns: 1fr; }
  .head { margin-bottom: 38px; }
  .footer-top{ grid-template-columns: 1fr; }
  .cap-card .cap-metrics{ flex-direction:column; gap:14px; }
}