/*
Theme Name: KymViet 2026
Theme URI: https://www.kymviet.com.vn
Author: KYMVIET
Author URI: https://www.kymviet.com.vn
Description: Theme landing page chính thức của KYMVIET — Linh Vật & Quà Tặng Thương Hiệu B2B.
Version: 1.0.0
Text Domain: kymviet
*/

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

:root {
  --red: #EB143C;
  --red-dark: #C4002A;
  --red-light: #F05070;
  --teal: #05AF9B;
  --teal-light: #4BBEB4;
  --gold: #FCB941;
  --gold-light: #FFCD55;
  --gold-pale: #FFF8E7;
  --green: #008C46;
  --ink: #202020;
  --ink2: #2A2A2A;
  --cream: #FAF8F4;
  --grey-warm: #F2F0EB;
  --grey-line: #E6E3DC;
  --muted: #6B6B6B;
  --muted-light: #8C8478;
  --line: rgba(0,0,0,0.08);
  --white: #ffffff;
  --pad-x: max(40px, calc((100% - 1280px) / 2));
  --brand-gradient: linear-gradient(135deg, #EB143C 0%, #FCB941 50%, #05AF9B 100%);
}

body { font-family: 'Be Vietnam Pro', sans-serif; color: var(--ink); background: #fff; overflow-x: hidden; }

::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--ink); }
::-webkit-scrollbar-thumb { background: var(--gold); border-radius: 2px; }

/* ── NAV ── */
.nav {
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  padding: 0 var(--pad-x);
  height: 64px;
  display: flex; align-items: center; justify-content: space-between;
  position: sticky; top: 0; z-index: 100;
  border-bottom: 1px solid var(--grey-line);
  transition: background .3s, box-shadow .3s;
}
.nav.scrolled { box-shadow: 0 4px 20px rgba(0,0,0,.07); border-bottom: 2px solid transparent; border-image: var(--brand-gradient) 1; }
.nav-logo { display: flex; align-items: center; text-decoration: none; }
.nav-logo img { height: 44px; width: auto; display: block; } /* chiều cao ghi đè bởi inline style từ admin */
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { color: var(--muted); font-size: 12px; font-weight: 400; letter-spacing: 1.5px; text-transform: uppercase; text-decoration: none; transition: color .2s; }
.nav-links a:hover { color: var(--red); }
.nav-actions { display: flex; align-items: center; gap: 14px; margin-left: 20px; }
.nav-cta {
  background: var(--red); color: #fff; border: none;
  padding: 8px 20px; font-size: 12px; font-weight: 400;
  letter-spacing: 1.5px; text-transform: uppercase;
  cursor: pointer; border-radius: 2px;
  font-family: 'Be Vietnam Pro', sans-serif;
  transition: background .2s;
}
.nav-cta:hover { background: var(--red-dark); }
.nav-ham { display: none; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-ham span { display: block; width: 22px; height: 2px; background: var(--ink); margin: 5px 0; transition: .3s; }

/* ── LANGUAGE TOGGLE ── */
.lang-toggle {
  display: flex; align-items: center;
  background: var(--grey-warm);
  border: 1px solid var(--grey-line);
  border-radius: 100px;
  padding: 3px;
  gap: 2px;
  flex-shrink: 0;
}
.lang-btn {
  font-size: 10px; font-weight: 600; letter-spacing: 1.5px;
  color: var(--muted);
  text-decoration: none;
  padding: 4px 10px;
  border-radius: 100px;
  transition: background .2s, color .2s;
  text-transform: uppercase;
  line-height: 1;
}
.lang-btn:hover { color: var(--ink); }
.lang-btn.active {
  background: var(--red);
  color: #fff !important;
  box-shadow: 0 2px 8px rgba(235,20,60,.25);
}

/* ── HERO ── */
.hero {
  background: var(--cream);
  padding: 52px var(--pad-x) 0;
  position: relative; overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; top: -140px; right: -120px;
  width: 540px; height: 540px;
  background: radial-gradient(circle, rgba(252,185,65,.18) 0%, transparent 68%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute; bottom: 80px; left: -160px;
  width: 440px; height: 440px;
  background: radial-gradient(circle, rgba(5,175,155,.10) 0%, transparent 68%);
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 2; }
.hero-grid {
  display: grid; grid-template-columns: 1.05fr .95fr;
  gap: 56px; align-items: center; padding: 40px 0 52px;
}

.hero-tag {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1px solid var(--grey-line); background: #fff;
  color: var(--red);
  font-size: 10px; font-weight: 500; letter-spacing: 2.5px; text-transform: uppercase;
  padding: 7px 16px; border-radius: 100px; margin-bottom: 28px;
}
.hero-tag i { font-size: 13px; }
.hero h1 {
  font-size: 54px; font-weight: 200; color: var(--ink);
  line-height: 1.12; margin-bottom: 24px; letter-spacing: .3px;
}
.hero h1 em { color: var(--red); font-style: normal; font-weight: 500; }
.hero-sub {
  color: var(--muted); font-size: 17px; font-weight: 300;
  line-height: 1.9; max-width: 560px; margin-bottom: 36px;
}
.hero-sub em { color: var(--ink); font-style: normal; font-weight: 500; }
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-primary {
  background: var(--red); color: #fff; padding: 14px 32px;
  font-size: 12px; font-weight: 400; letter-spacing: 2px; text-transform: uppercase;
  border: none; border-radius: 4px; cursor: pointer;
  font-family: 'Be Vietnam Pro', sans-serif;
  display: flex; align-items: center; gap: 8px;
  box-shadow: 0 8px 20px rgba(235,20,60,.22);
  transition: background .2s, transform .2s, box-shadow .2s;
}
.btn-primary:hover { background: var(--red-dark); transform: translateY(-2px); box-shadow: 0 12px 26px rgba(235,20,60,.3); }
.btn-outline {
  background: #fff; color: var(--ink);
  padding: 14px 32px; font-size: 12px; font-weight: 400;
  letter-spacing: 2px; text-transform: uppercase;
  border: 1px solid var(--grey-line); border-radius: 4px; cursor: pointer;
  font-family: 'Be Vietnam Pro', sans-serif;
  display: flex; align-items: center; gap: 8px;
  transition: border-color .2s, color .2s, transform .2s;
}
.btn-outline:hover { border-color: var(--red); color: var(--red); transform: translateY(-2px); }

.hero-feature { position: relative; }
.hf-deco { position: absolute; inset: 0; z-index: 3; pointer-events: none; }
.hf-corner { position: absolute; animation: hfFloat 6s ease-in-out infinite; }
.hf-corner img { width: 100%; height: auto; display: block; filter: drop-shadow(0 8px 18px rgba(0,0,0,.12)); }
.hf-corner.tl { width: 18%; top: -8%; left: -13%; }
.hf-corner.br { width: 10%; bottom: -8%; right: -13%; animation-delay: 1.4s; }
@keyframes hfFloat { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
.hero-bg {
  position: relative; z-index: 1; width: 100%; aspect-ratio: 1 / 1;
  border-radius: 3px; overflow: hidden;
  background: var(--grey-warm);
  box-shadow: 0 28px 60px rgba(0,0,0,.18);
}
.hero-bg video { width: 100%; height: 100%; object-fit: cover; }
.hero-slide {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  opacity: 0; transform: scale(1.05);
  transition: opacity 1.1s ease;
  will-change: opacity, transform;
}
.hero-slide.active {
  opacity: 1;
  animation: heroKenBurns 6s ease forwards;
}
@keyframes heroKenBurns { from { transform: scale(1.05); } to { transform: scale(1.12); } }
.hero-overlay {
  position: absolute; inset: 0; z-index: 2; pointer-events: none;
  border-radius: 3px;
  background: linear-gradient(180deg, transparent 52%, rgba(0,0,0,.34) 100%);
}
.hero-dots { position: absolute; bottom: 14px; right: 16px; z-index: 4; display: flex; gap: 6px; }
.hero-dots span { width: 7px; height: 7px; border-radius: 50%; background: rgba(255,255,255,.5); cursor: pointer; transition: background .3s, width .3s; }
.hero-dots span.on { background: #fff; width: 18px; border-radius: 4px; }
.hero-feature-badge {
  position: absolute; left: -20px; bottom: 28px; z-index: 4;
  background: #fff; border-radius: 4px; padding: 14px 20px 14px 16px;
  box-shadow: 0 18px 40px rgba(0,0,0,.18);
  display: flex; align-items: center; gap: 13px;
  max-width: 78%;
  transition: opacity .35s ease, transform .35s ease;
}
.hero-feature-badge.swap { opacity: 0; transform: translateY(8px); }
.hero-feature-badge .hfb-icon {
  width: 42px; height: 42px; border-radius: 3px; background: var(--gold-pale);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.hero-feature-badge .hfb-icon i { font-size: 22px; color: var(--gold); }
.hero-feature-badge .hfb-num { font-size: 15px; font-weight: 600; color: var(--ink); line-height: 1.25; }
.hero-feature-badge .hfb-txt { font-size: 11px; color: var(--muted); line-height: 1.4; margin-top: 3px; }

.hero-stats {
  border-top: 1px solid var(--grey-line);
  padding: 34px 0 0;
}
.stat-grid { display: flex; flex-wrap: wrap; gap: 28px 56px; }
.stat-num { font-size: 38px; font-weight: 100; color: var(--ink); letter-spacing: 1px; line-height: 1; }
.stat-num b { color: var(--red); font-weight: 100; }
.stat-label { font-size: 10px; color: var(--muted); font-weight: 400; margin-top: 6px; letter-spacing: 1.5px; text-transform: uppercase; }
.hero-markets {
  display: flex; align-items: center; flex-wrap: wrap; gap: 10px 16px;
  padding: 26px 0 56px; margin-top: 30px;
  border-top: 1px solid var(--grey-line);
}
.hero-markets-label {
  font-size: 10px; color: var(--muted-light); font-weight: 500;
  letter-spacing: 2px; text-transform: uppercase; white-space: nowrap;
}
.market-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.market-tag {
  display: flex; align-items: center; gap: 6px;
  background: #fff; border: 1px solid var(--grey-line);
  border-radius: 100px; padding: 6px 14px;
  font-size: 11px; color: var(--muted); letter-spacing: .3px;
  transition: border-color .2s, color .2s;
}
.market-tag:hover { border-color: var(--red); color: var(--red); }
.market-dot { width: 4px; height: 4px; border-radius: 50%; background: var(--red); flex-shrink: 0; }

/* ── AWARD STRIP ── */
.award-strip {
  background: var(--ink);
  padding: 14px var(--pad-x);
  display: flex; align-items: center; gap: 12px;
  overflow-x: auto; white-space: nowrap;
  border-top: 1px solid rgba(255,255,255,.06);
  border-bottom: 3px solid transparent;
  border-image: var(--brand-gradient) 1;
}
.award-strip::-webkit-scrollbar { height: 0; }
.award-item {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 11px; color: rgba(255,255,255,.5); font-weight: 300;
  padding: 0 20px; flex-shrink: 0; letter-spacing: .5px;
}
.award-item i { font-size: 15px; }
.award-item:nth-child(1) i { color: var(--gold); }
.award-item:nth-child(3) i { color: var(--teal); }
.award-item:nth-child(5) i { color: var(--red); }
.award-item:nth-child(7) i { color: var(--green); }
.award-item:nth-child(9) i { color: var(--teal-light); }
.award-sep { width: 1px; height: 16px; background: rgba(255,255,255,.1); flex-shrink: 0; }

/* ── SECTIONS ── */
section { padding: 64px var(--pad-x); }
.s-eyebrow { font-size: 10px; font-weight: 500; letter-spacing: 3px; text-transform: uppercase; color: var(--red); margin-bottom: 14px; }
.s-title { font-size: 38px; font-weight: 200; color: var(--ink); line-height: 1.2; margin-bottom: 16px; letter-spacing: .5px; }
.s-title em { color: var(--red); font-style: normal; }
.s-sub { font-size: 16px; color: var(--muted); font-weight: 300; line-height: 1.9; max-width: 580px; text-wrap: pretty; }
.hero-sub, .why-card p, .cap-content p, .proof-text, .faq-a p, .s-sub, .prod-client { text-wrap: pretty; }

/* ── CAPACITY ── */
.capacity { background: var(--grey-warm); padding: 60px var(--pad-x); }
.cap-top { display: grid; grid-template-columns: 1fr 1.05fr; gap: 48px; align-items: center; }
.cap-people { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.cap-sq { position: relative; aspect-ratio: 1/1; overflow: hidden; border-radius: 3px; background: #d8d4cc; }
.cap-sq img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) contrast(1.04); transition: filter .5s ease, transform .6s ease; }
.cap-sq:hover img { filter: grayscale(0); transform: scale(1.05); }
.cap-sq-ph { width: 100%; height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; color: #9a9488; background: linear-gradient(135deg, #e6e2da, #d4cfc5); }
.cap-sq-ph i { font-size: 30px; opacity: .6; }
.cap-sq-ph span { font-size: 9px; letter-spacing: 1px; opacity: .7; }
/* Điện thoại & tablet (cảm ứng, không hover được): giữ 2 ô vuông/hàng như PC,
   hiện ảnh ĐỦ MÀU "full vuông" thay vì kẹt đen trắng */
@media (hover: none), (max-width: 1024px) {
  .cap-people { grid-template-columns: 1fr 1fr; gap: 8px; }
  .cap-sq img { filter: none; }
  .cap-sq:hover img { transform: none; }
}
.cap-content { }
.cap-eyebrow { font-size: 10px; font-weight: 600; letter-spacing: 3px; text-transform: uppercase; color: var(--red); margin-bottom: 16px; }
.cap-content h2 { font-size: 32px; font-weight: 200; color: var(--ink); line-height: 1.25; margin-bottom: 16px; }
.cap-content h2 em { color: var(--red); font-style: normal; font-weight: 500; }
.cap-content p { font-size: 16px; color: var(--muted); font-weight: 300; line-height: 1.85; margin-bottom: 20px; }
.cap-highlight {
  background: #fff; border-left: 3px solid var(--red);
  padding: 16px 20px; border-radius: 0 6px 6px 0;
  box-shadow: 0 6px 18px rgba(0,0,0,.05);
}
.cap-highlight p { font-size: 15px; color: var(--ink); font-weight: 300; line-height: 1.7; margin: 0; font-style: italic; }
.cap-highlight p em { color: var(--red); font-style: normal; font-weight: 600; }
.cap-pattern { display: flex; gap: 10px; margin-top: 22px; }
.cap-pattern img { width: 44px; height: 44px; border-radius: 4px; transition: transform .3s ease; }
.cap-pattern img:hover { transform: translateY(-4px) scale(1.05); }
.cap-nums {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 14px; margin-top: 40px;
}
.cap-num { background: #fff; border: 1px solid var(--grey-line); border-radius: 10px; padding: 24px 26px; transition: transform .25s, box-shadow .25s; }
.cap-num:hover { transform: translateY(-4px); box-shadow: 0 16px 34px rgba(0,0,0,.08); }
.cap-big { font-size: 42px; font-weight: 100; color: var(--red); line-height: 1; margin-bottom: 8px; letter-spacing: 1px; }
.cap-nm-label { font-size: 13px; color: var(--ink); font-weight: 500; line-height: 1.5; }
.cap-nm-sub { font-size: 11px; color: var(--muted); font-weight: 300; margin-top: 4px; }
.cap-more {
  display: inline-flex; align-items: center; gap: 7px; margin-top: 24px;
  color: var(--red); font-size: 13px; font-weight: 600; text-decoration: none;
  border-bottom: 1.5px solid transparent; padding-bottom: 1px;
  transition: gap .2s ease, border-color .2s ease;
  width: fit-content;
}
.cap-more:hover { gap: 12px; border-color: var(--red); }
.cap-more i { font-size: 16px; }

/* ── WHY ── */
.why { background: var(--cream); }
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 38px; }
.why-card {
  background: #fff; padding: 36px 30px; border-radius: 2px;
  border: 1px solid var(--line);
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  cursor: default; position: relative; overflow: hidden;
}
.why-card::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 3px;
  background: var(--red); transform: scaleX(0); transform-origin: left;
  transition: transform .35s ease;
}
.why-card.gold::after { background: var(--gold); }
.why-card:hover { transform: translateY(-8px); box-shadow: 0 20px 48px rgba(0,0,0,.1); border-color: rgba(235,20,60,.15); }
.why-card:hover::after { transform: scaleX(1); }
.why-icon {
  width: 58px; height: 58px; border-radius: 14px;
  background: var(--cream); display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px; transition: transform .3s ease, box-shadow .3s ease, background .3s ease;
}
.why-icon img { width: 36px; height: 36px; object-fit: contain; transition: transform .35s ease; }
.why-card:hover .why-icon { transform: translateY(-2px) rotate(-3deg); box-shadow: 0 10px 22px rgba(0,0,0,.08); background: #fff; }
.why-card:hover .why-icon img { transform: scale(1.08); }
.why-card h3 { font-size: 14px; font-weight: 600; color: var(--ink); margin-bottom: 12px; line-height: 1.5; }
.why-card p { font-size: 15px; color: var(--muted); line-height: 1.9; font-weight: 300; }
.why-card p strong { color: var(--ink); font-weight: 500; }

/* ── CLIENTS ── */
.clients { background: #fff; }
.client-logos { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 34px; }
.client-chip {
  display: flex; align-items: center; gap: 8px;
  background: var(--cream); border: 1px solid rgba(0,0,0,.07);
  border-radius: 100px; padding: 8px 18px;
  font-size: 12px; font-weight: 400; color: var(--ink); letter-spacing: .5px;
  transition: border-color .2s, background .2s, transform .2s;
  cursor: default;
}
.client-chip:hover { background: #fff; border-color: var(--red); transform: translateY(-2px); box-shadow: 0 6px 16px rgba(0,0,0,.07); }
.client-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--red); flex-shrink: 0; }
.client-note {
  margin-top: 40px; padding: 20px 24px;
  background: var(--cream); border-left: 3px solid var(--gold);
  border-radius: 0 2px 2px 0;
  font-size: 15px; color: var(--muted); font-weight: 300; line-height: 1.7;
  max-width: 640px;
}
.client-note strong { color: var(--ink); font-weight: 500; }

/* ── PRODUCTS ── */
.products { background: var(--cream); }
.prod-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 38px; }
.prod-card {
  position: relative; aspect-ratio: 1 / 1;
  border-radius: 6px; overflow: hidden;
  background: var(--ink); cursor: pointer;
  box-shadow: 0 2px 12px rgba(0,0,0,.06);
  transition: transform .35s ease, box-shadow .35s ease;
}
.prod-card:hover { transform: translateY(-6px); box-shadow: 0 22px 46px rgba(0,0,0,.20); }
.prod-img { position: absolute; inset: 0; overflow: hidden; display: flex; align-items: center; justify-content: center; }
.prod-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.prod-card:hover .prod-img img { transform: scale(1.08); }
.prod-badge {
  position: absolute; top: 12px; left: 12px; z-index: 3;
  background: var(--red); color: #fff;
  font-size: 9px; font-weight: 600; letter-spacing: 1.5px;
  padding: 4px 11px; border-radius: 100px; text-transform: uppercase;
  box-shadow: 0 4px 14px rgba(0,0,0,.25);
}
.prod-badge.gold { background: var(--gold); color: var(--ink); }
.prod-overlay {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 2;
  padding: 40px 16px 16px;
  background: linear-gradient(to top, rgba(16,16,16,.94) 0%, rgba(16,16,16,.5) 55%, transparent 100%);
  transition: background .4s ease;
}
.prod-cat {
  font-size: 9px; font-weight: 600; letter-spacing: 2px; text-transform: uppercase;
  color: var(--gold-light); margin-bottom: 6px;
  opacity: 0; transform: translateY(10px);
  transition: opacity .4s ease, transform .4s ease;
}
.prod-name { font-size: 14px; font-weight: 600; color: #fff; line-height: 1.45; margin-bottom: 4px; }
.prod-client {
  font-size: 11px; color: rgba(255,255,255,.78); font-weight: 300; line-height: 1.55;
  max-height: 0; opacity: 0; overflow: hidden; transform: translateY(8px);
  transition: opacity .4s ease, transform .4s ease, max-height .4s ease;
}
.prod-card:hover .prod-overlay {
  background: linear-gradient(to top, var(--red) 0%, rgba(196,0,42,.9) 48%, rgba(16,16,16,.15) 100%);
}
.prod-card:nth-child(even):hover .prod-overlay {
  background: linear-gradient(to top, var(--teal) 0%, rgba(0,130,110,.9) 48%, rgba(16,16,16,.15) 100%);
}
.prod-card:hover .prod-cat { opacity: 1; transform: translateY(0); color: #fff; }
.prod-card:hover .prod-client { opacity: 1; transform: translateY(0); max-height: 64px; }
.prod-img-placeholder {
  width: 100%; height: 100%;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 10px; color: rgba(255,255,255,.55);
  background: linear-gradient(135deg, #333, #1c1c1c);
}
.prod-img-placeholder i { font-size: 42px; opacity: .55; }
.prod-img-placeholder span { font-size: 10px; opacity: .6; letter-spacing: 1.5px; }
.prod-more { display: flex; justify-content: center; margin-top: 34px; }
.btn-more {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 14px 34px; border-radius: 4px;
  border: 1px solid var(--ink); background: transparent;
  color: var(--ink); font-size: 12px; font-weight: 500;
  letter-spacing: 1.5px; text-transform: uppercase; text-decoration: none;
  font-family: 'Be Vietnam Pro', sans-serif;
  transition: background .25s, color .25s, transform .25s;
}
.btn-more:hover { background: var(--ink); color: #fff; transform: translateY(-2px); }
.btn-more i { font-size: 16px; transition: transform .25s; }
.btn-more:hover i { transform: translateX(4px); }

/* ── PROCESS ── */
.process { background: var(--grey-warm); }
.process .s-eyebrow { color: var(--red); }
.process .s-title { color: var(--ink); }
.process .s-sub { color: var(--muted); }
.steps-wrap { margin-top: 44px; position: relative; }
.steps-line {
  position: absolute; top: 27px; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, rgba(252,185,65,.5) 10%, rgba(5,175,155,.4) 50%, rgba(235,20,60,.4) 90%, transparent);
  pointer-events: none;
}
.steps { display: grid; grid-template-columns: repeat(6, 1fr); gap: 0; }
.step { padding-right: 16px; position: relative; }
.step-num {
  width: 54px; height: 54px; background: #fff;
  border: 1px solid var(--grey-line); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 300; color: var(--red);
  margin-bottom: 22px; letter-spacing: 1px;
  box-shadow: 0 4px 12px rgba(0,0,0,.05);
  transition: border-color .3s, background .3s, transform .3s;
}
.step:hover .step-num { border-color: var(--red); background: var(--red); color: #fff; transform: translateY(-3px); }
.step h3 { font-size: 13px; font-weight: 600; color: var(--ink); margin-bottom: 10px; line-height: 1.4; }
.step p { font-size: 13px; color: var(--muted); line-height: 1.75; font-weight: 300; }

/* ── TESTIMONIALS ── */
.testimonials { background: #fff; }
.proof-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 38px; }
.proof-card {
  background: var(--cream); border-radius: 2px; padding: 32px;
  position: relative; border: 1px solid transparent;
  transition: border-color .3s, transform .3s, box-shadow .3s;
}
.proof-card:hover { border-color: rgba(5,175,155,.2); transform: translateY(-4px); box-shadow: 0 12px 32px rgba(0,0,0,.06); }
.proof-quote-icon { font-size: 36px; color: rgba(235,20,60,.12); line-height: 1; margin-bottom: 10px; font-family: Georgia, serif; }
.proof-stars { color: var(--gold); font-size: 12px; letter-spacing: 3px; margin-bottom: 14px; }
.proof-text { font-size: 15.5px; color: var(--ink); line-height: 1.85; font-weight: 300; margin-bottom: 20px; font-style: italic; }
.proof-sep { width: 24px; height: 2px; background: var(--red); margin-bottom: 14px; }
.proof-name { font-size: 12px; font-weight: 600; color: var(--ink); text-transform: uppercase; letter-spacing: 1px; }
.proof-org { font-size: 11px; color: var(--muted); font-weight: 300; margin-top: 3px; }

/* ── FAQ ── */
.faq { background: var(--cream); }
.faq-list { margin-top: 36px; display: grid; grid-template-columns: 1fr 1fr; gap: 0 56px; align-items: start; }
.faq-col { display: flex; flex-direction: column; }
.faq-item { border-bottom: 1px solid var(--grey-line); overflow: hidden; }
.faq-q { display: flex; align-items: center; justify-content: space-between; padding: 20px 0; cursor: pointer; gap: 16px; }
.faq-q span { font-size: 14px; font-weight: 400; color: var(--ink); line-height: 1.5; }
.faq-icon { width: 24px; height: 24px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; }
.faq-icon i { font-size: 16px; color: var(--red); transition: transform .3s; }
.faq-item.open .faq-icon i { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .4s ease; }
.faq-a p { font-size: 13px; color: var(--muted); line-height: 1.9; font-weight: 300; padding: 0 0 20px; }
.faq-item.open .faq-a { max-height: 300px; }

/* ── CTA BAND ── */
.cta-band {
  background: linear-gradient(135deg, #C4002A 0%, var(--red) 55%, #E83050 100%);
  padding: 56px var(--pad-x);
  display: flex; align-items: center; justify-content: space-between;
  gap: 32px; flex-wrap: wrap;
  position: relative; overflow: hidden;
}
.cta-band::before {
  content: '';
  position: absolute; top: -80px; right: -80px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(255,255,255,.06) 0%, transparent 70%);
  pointer-events: none;
}
.cta-band h2 { font-size: 36px; font-weight: 200; color: #fff; line-height: 1.25; max-width: 520px; }
.cta-band h2 span { color: rgba(255,255,255,.5); display: block; font-size: 13px; font-weight: 300; letter-spacing: 1px; margin-top: 12px; }
.cta-actions { display: flex; flex-direction: column; align-items: flex-end; gap: 12px; }
.cta-btn {
  background: #fff; color: var(--red); padding: 15px 36px;
  font-size: 12px; font-weight: 600; letter-spacing: 2px; text-transform: uppercase;
  border: none; border-radius: 2px; cursor: pointer;
  font-family: 'Be Vietnam Pro', sans-serif;
  white-space: nowrap; transition: background .2s, transform .2s;
}
.cta-btn:hover { background: var(--cream); transform: translateY(-2px); }
.cta-note { font-size: 11px; color: rgba(255,255,255,.45); font-weight: 300; letter-spacing: .5px; }

/* ── CONTACT ── */
.contact { background: var(--white); padding: 64px var(--pad-x); display: grid; grid-template-columns: 1fr 1fr; gap: 72px; }
.contact-info h3 { font-size: 24px; color: var(--ink); margin-bottom: 12px; font-weight: 300; }
.contact-info p { font-size: 13px; color: var(--muted); font-weight: 300; margin-bottom: 36px; line-height: 1.8; }
.contact-row { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 18px; }
.contact-icon {
  width: 38px; height: 38px; border-radius: 50%;
  background: var(--cream); border: 1px solid var(--grey-line);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.contact-icon i { font-size: 15px; color: var(--red); }
.contact-row span { font-size: 13px; color: var(--muted); font-weight: 300; line-height: 1.7; padding-top: 9px; }
.contact-row a { color: var(--red); text-decoration: none; font-weight: 400; transition: opacity .2s; }
.contact-row a:hover { opacity: .7; }
.contact-social { display: flex; gap: 12px; margin-top: 32px; }
.social-btn {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--cream); border: 1px solid var(--grey-line);
  display: flex; align-items: center; justify-content: center;
  color: var(--muted); font-size: 16px; text-decoration: none;
  transition: background .2s, border-color .2s, color .2s;
}
.social-btn:hover { background: var(--red); border-color: var(--red); color: #fff; }
.contact-form { background: var(--cream); border: 1px solid var(--grey-line); border-radius: 14px; padding: 32px; }
.contact-form h3 { font-size: 24px; color: var(--ink); margin-bottom: 12px; font-weight: 300; }
.contact-form > p { font-size: 13px; color: var(--muted); font-weight: 300; margin-bottom: 28px; line-height: 1.8; }
.form-row { margin-bottom: 16px; }
.form-row label { display: block; font-size: 10px; color: var(--muted-light); font-weight: 600; letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 8px; }
.form-row input,
.form-row select,
.form-row textarea {
  width: 100%; background: #fff;
  border: 1px solid var(--grey-line); color: var(--ink);
  padding: 11px 14px; font-size: 15px; font-weight: 300;
  border-radius: 6px; outline: none;
  font-family: 'Be Vietnam Pro', sans-serif;
  transition: border-color .2s, box-shadow .2s;
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus { border-color: var(--red); box-shadow: 0 0 0 3px rgba(235,20,60,.1); }
.form-row input::placeholder,
.form-row textarea::placeholder { color: #B8B2A8; }
.form-row select option { background: #fff; color: var(--ink); }
.form-row textarea { height: 96px; resize: none; }
.form-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-submit {
  width: 100%; background: var(--red); color: #fff; border: none;
  padding: 14px; font-size: 12px; font-weight: 500; letter-spacing: 2px;
  text-transform: uppercase; border-radius: 6px; cursor: pointer; margin-top: 6px;
  box-shadow: 0 8px 20px rgba(235,20,60,.2);
  font-family: 'Be Vietnam Pro', sans-serif;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  transition: background .2s, transform .2s;
}
.form-submit:hover { background: var(--red-dark); transform: translateY(-1px); }
.form-msg { display: none; margin-top: 14px; padding: 12px 16px; border-radius: 6px; font-size: 13px; font-weight: 400; }
.form-msg.success { display: block; background: #e6f9f5; color: var(--teal); border: 1px solid var(--teal-light); }
.form-msg.error { display: block; background: #fff0f3; color: var(--red); border: 1px solid var(--red-light); }

/* ── FOOTER ── */
.footer {
  background: #0A0703; padding: 26px var(--pad-x);
  display: grid; grid-template-columns: 1fr auto;
  align-items: center; gap: 24px;
  border-top: 1px solid rgba(255,255,255,.05);
}
.footer-brand { font-size: 12px; color: rgba(255,255,255,.42); font-weight: 300; letter-spacing: .4px; }
.footer-brand b { color: var(--gold); font-weight: 600; letter-spacing: 3px; }
.footer-copy { font-size: 11px; color: rgba(255,255,255,.22); font-weight: 300; text-align: right; white-space: nowrap; }

/* ── FLOATING CTA ── */
.float-cta {
  position: fixed; bottom: 28px; right: 28px; z-index: 90;
  display: flex; flex-direction: column; align-items: flex-end; gap: 10px;
  opacity: 0; transform: translateY(16px); transition: opacity .4s, transform .4s;
  pointer-events: none;
}
.float-cta.visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
.float-btn {
  display: flex; align-items: center; gap: 8px;
  padding: 11px 18px; border-radius: 100px; border: none; cursor: pointer;
  font-size: 13px; font-weight: 400; font-family: 'Be Vietnam Pro', sans-serif;
  box-shadow: 0 6px 24px rgba(0,0,0,.2); transition: transform .2s, box-shadow .2s;
  text-decoration: none;
}
.float-btn:hover { transform: translateY(-3px); box-shadow: 0 10px 32px rgba(0,0,0,.25); }
.float-btn.zalo { background: var(--teal); color: #fff; }
.float-btn.quote { background: var(--red); color: #fff; }
.float-btn i { font-size: 16px; }

/* ── REVEAL ANIMATION ── */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
.reveal-delay-3 { transition-delay: .3s; }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .hero h1 { font-size: 44px; }
  .hero-grid { gap: 36px; }
  .steps { grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .steps-line { display: none; }
  .prod-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav { padding: 0 16px; gap: 12px; }
  .nav-logo { flex: 1 1 auto; min-width: 0; max-width: 160px; }
  .nav-logo img { max-width: 100%; }
  .nav-links { display: none; }
  .nav-actions { margin-left: auto; gap: 10px; }
  .nav-cta { display: none; }
  .nav-ham {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    padding: 0;
    flex-shrink: 0;
  }
  .nav-ham span { width: 22px; height: 2px; margin: 3px 0; border-radius: 2px; }

  .hero { padding: 40px 20px 0; }
  .hero-grid { grid-template-columns: 1fr; gap: 32px; padding: 24px 0 40px; }
  .hero-feature { order: -1; max-width: 420px; }
  .hf-deco { display: none; }
  .hero h1 { font-size: 32px; }
  .stat-grid { gap: 24px 36px; }
  .stat-grid > div { flex: 0 0 calc(50% - 18px); }
  .stat-num { font-size: 32px; }
  .hero-markets { padding-bottom: 44px; }

  section { padding: 64px 20px; }
  .award-strip { padding: 14px 20px; }
  .capacity { padding: 56px 20px; }
  .cap-top { grid-template-columns: 1fr; gap: 32px; }
  .cap-nums { grid-template-columns: 1fr; }

  .why-grid { grid-template-columns: 1fr; }
  .prod-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr 1fr; }
  .proof-grid { grid-template-columns: 1fr; }
  .faq-list { grid-template-columns: 1fr; gap: 0; }

  .cta-band { padding: 52px 20px; }
  .cta-band h2 { font-size: 26px; }
  .cta-actions { align-items: flex-start; }

  .contact { grid-template-columns: 1fr; padding: 64px 20px; gap: 48px; }
  .form-row-2 { grid-template-columns: 1fr; }

  .footer { grid-template-columns: 1fr; text-align: center; padding: 24px 20px; gap: 10px; }
  .footer-copy { text-align: center; }

  .float-cta { bottom: 16px; right: 16px; }
  .float-btn span { display: none; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 26px; }
  .prod-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
}

/* ── CUSTOM CURSOR ── */
body.kv-cursor-on, body.kv-cursor-on * { cursor: none; }
body.kv-cursor-on input,
body.kv-cursor-on textarea,
body.kv-cursor-on select { cursor: auto; }
.kv-cursor-dot {
  position: fixed; top: 0; left: 0; width: 8px; height: 8px;
  border-radius: 50%; background: var(--red);
  pointer-events: none; z-index: 10000;
  /* dot theo chuột tức thì — không transition transform */
  transition: background .7s ease;
  will-change: transform;
}
.kv-cursor-ring {
  position: fixed; top: 0; left: 0; width: 32px; height: 32px;
  border-radius: 50%; border: 2px solid var(--red);
  pointer-events: none; z-index: 9999;
  /* transform lag effect xử lý bởi CSS (GPU) thay vì rAF JS */
  transition: transform 0.13s linear,
              border-color .7s ease,
              width .25s ease, height .25s ease,
              background .25s ease, opacity .25s ease;
  will-change: transform;
}
.kv-cursor-ring.is-hover { width: 52px; height: 52px; background: rgba(0,0,0,.04); }
.kv-cursor-ring.is-down { width: 24px; height: 24px; }
.kv-cursor-hidden { opacity: 0 !important; }

/* ── KYMVIET ECOSYSTEM TOP BAR ── */
.kv-eco-bar {
  background: var(--ink);
  height: 34px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.kv-eco-bar-inner {
  display: flex;
  align-items: center;
  width: 100%;
  padding: 0 var(--pad-x);
}
.kv-eco-bar-link {
  display: flex;
  align-items: center;
  height: 34px;
  padding: 0 18px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1.8px;
  text-transform: uppercase;
  text-decoration: none;
  color: rgba(255,255,255,.45);
  border-right: 1px solid rgba(255,255,255,.08);
  transition: color .18s, background .18s;
  white-space: nowrap;
  position: relative;
}
.kv-eco-bar-link:first-child { padding-left: 0; }
.kv-eco-bar-link:last-child  { border-right: none; }
.kv-eco-bar-link:hover { color: rgba(255,255,255,.85); background: rgba(255,255,255,.05); }
.kv-eco-bar-link.is-current {
  color: var(--gold);
}
.kv-eco-bar-link.is-current::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: var(--gold);
}

/* ── KYMVIET ECOSYSTEM FOOTER SECTION ── */
.kv-eco-section {
  background: #161616;
  padding: 36px var(--pad-x);
}
.kv-eco-section-inner {
  max-width: 1280px;
  margin: 0 auto;
}
.kv-eco-section-label {
  font-size: 9px;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: rgba(255,255,255,.3);
  margin-bottom: 20px;
  font-weight: 600;
}
.kv-eco-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.kv-eco-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 20px;
  border: 1px solid rgba(255,255,255,.07);
  border-radius: 4px;
  text-decoration: none;
  transition: border-color .2s, background .2s;
}
.kv-eco-card:hover {
  border-color: rgba(255,255,255,.18);
  background: rgba(255,255,255,.03);
}
.kv-eco-card.is-current {
  border-color: rgba(252,185,65,.45);
  background: rgba(252,185,65,.04);
}
.kv-eco-card-name {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255,255,255,.75);
}
.kv-eco-card.is-current .kv-eco-card-name { color: var(--gold); }
.kv-eco-card-desc {
  display: block;
  font-size: 12px;
  color: rgba(255,255,255,.38);
  line-height: 1.65;
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
}

@media (max-width: 900px) {
  .kv-eco-cards { grid-template-columns: 1fr; gap: 8px; }
}
@media (max-width: 768px) {
  .kv-eco-bar { overflow-x: auto; scrollbar-width: none; }
  .kv-eco-bar::-webkit-scrollbar { display: none; }
  .kv-eco-bar-inner { padding: 0 16px; min-width: max-content; }
  .kv-eco-bar-link { font-size: 9px; padding: 0 14px; height: 30px; }
  .kv-eco-section { padding: 28px 16px; }
  .kv-eco-card { padding: 14px 16px; }
}