/* ============================================================
   GOLD ELEVATOR — style.css
   Tông màu: Navy đậm + Vàng gold sang trọng
   ============================================================ */

:root {
  --navy-900: #0b1120;
  --navy-800: #111a2e;
  --navy-700: #1a2740;
  --navy-600: #24334f;
  --gold-300: #f3d98b;
  --gold-400: #e8c25a;
  --gold-500: #d4a72c;
  --gold-600: #b8901f;
  --gold-grad: linear-gradient(135deg, #f3d98b 0%, #d4a72c 45%, #b8901f 100%);
  --ink: #16213a;
  --muted: #5c6a85;
  --line: #e6e9f2;
  --bg-soft: #f6f7fb;
  --white: #ffffff;
  --radius: 18px;
  --shadow-sm: 0 2px 10px rgba(11, 17, 32, .06);
  --shadow-md: 0 12px 34px rgba(11, 17, 32, .12);
  --shadow-lg: 0 24px 60px rgba(11, 17, 32, .18);
  --ease: cubic-bezier(.22, .61, .36, 1);
  --container: 1200px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Be Vietnam Pro', system-ui, -apple-system, 'Segoe UI', sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.65;
  font-size: 16px;
  overflow-x: hidden;
}

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

.container {
  width: min(var(--container), 92%);
  margin-inline: auto;
}

/* ---------- Typography helpers ---------- */
.section { padding: 96px 0; }
.section--soft { background: var(--bg-soft); }
.section--dark { background: var(--navy-900); color: #dfe5f1; }

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--gold-600);
  margin-bottom: 14px;
}
.kicker::before {
  content: "";
  width: 34px; height: 2px;
  background: var(--gold-grad);
  border-radius: 2px;
}
.section--dark .kicker { color: var(--gold-400); }

.h2 {
  font-size: clamp(1.7rem, 3.4vw, 2.5rem);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -.01em;
}
.h2 .gold { background: var(--gold-grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

.lead { color: var(--muted); max-width: 640px; margin-top: 16px; }
.section--dark .lead { color: #9aa7c0; }

.section-head { margin-bottom: 52px; }
.section-head--center { text-align: center; }
.section-head--center .kicker { justify-content: center; }
.section-head--center .kicker::before { display: none; }
.section-head--center .lead { margin-inline: auto; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 30px;
  border-radius: 999px;
  font-weight: 700;
  font-size: .95rem;
  border: none;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), background .3s;
  will-change: transform;
}
.btn svg { width: 18px; height: 18px; flex: none; }
.btn:hover { transform: translateY(-3px); }
.btn:active { transform: translateY(-1px); }

.btn--gold {
  background: var(--gold-grad);
  color: var(--navy-900);
  box-shadow: 0 10px 26px rgba(212, 167, 44, .35);
}
.btn--gold:hover { box-shadow: 0 16px 34px rgba(212, 167, 44, .45); }

.btn--ghost {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, .35);
}
.btn--ghost:hover { border-color: var(--gold-400); color: var(--gold-300); }

.btn--dark {
  background: var(--navy-900);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn--dark:hover { box-shadow: var(--shadow-md); }

/* ---------- Topbar ---------- */
.topbar {
  background: var(--navy-900);
  color: #aab6cf;
  font-size: .82rem;
  padding: 9px 0;
}
.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.topbar__group { display: flex; gap: 26px; flex-wrap: wrap; }
.topbar__item { display: inline-flex; align-items: center; gap: 8px; }
.topbar__item svg { width: 14px; height: 14px; color: var(--gold-400); }
.topbar__item a:hover { color: var(--gold-300); }
.topbar__slogan { color: var(--gold-300); font-weight: 600; letter-spacing: .04em; }

/* ---------- Header ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .3s;
}
.header.is-scrolled { box-shadow: var(--shadow-sm); }

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 78px;
}

.brand { display: flex; align-items: center; gap: 12px; }
.brand__mark {
  width: 46px; height: 46px;
  border-radius: 13px;
  background: var(--gold-grad);
  display: grid;
  place-items: center;
  box-shadow: 0 6px 18px rgba(212, 167, 44, .4);
  flex: none;
}
.brand__mark svg { width: 26px; height: 26px; color: var(--navy-900); }
.brand__name { font-size: 1.28rem; font-weight: 800; letter-spacing: .01em; line-height: 1.1; }
.brand__name .gold { background: var(--gold-grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.brand__tag { font-size: .68rem; letter-spacing: .28em; text-transform: uppercase; color: var(--muted); }

.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  padding: 10px 16px;
  font-weight: 600;
  font-size: .93rem;
  color: var(--ink);
  border-radius: 10px;
  position: relative;
  transition: color .25s;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 16px; right: 16px; bottom: 4px;
  height: 2px;
  background: var(--gold-grad);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s var(--ease);
}
.nav a:hover { color: var(--gold-600); }
.nav a:hover::after, .nav a.is-active::after { transform: scaleX(1); }
.nav a.is-active { color: var(--gold-600); }

.header__cta { display: flex; align-items: center; gap: 14px; }
.header__hotline { display: flex; align-items: center; gap: 10px; }
.header__hotline-icon {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(212, 167, 44, .12);
  display: grid; place-items: center;
  color: var(--gold-600);
  animation: ring-pulse 2.4s infinite;
}
.header__hotline-icon svg { width: 20px; height: 20px; }
.header__hotline small { display: block; font-size: .7rem; color: var(--muted); text-transform: uppercase; letter-spacing: .1em; }
.header__hotline strong { font-size: 1.05rem; color: var(--navy-900); }

@keyframes ring-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(212, 167, 44, .35); }
  50% { box-shadow: 0 0 0 9px rgba(212, 167, 44, 0); }
}

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.nav-toggle span {
  width: 20px; height: 2px;
  background: var(--navy-900);
  border-radius: 2px;
  transition: transform .3s var(--ease), opacity .2s;
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background:
    radial-gradient(900px 500px at 85% -10%, rgba(212, 167, 44, .16), transparent 60%),
    radial-gradient(700px 500px at -10% 110%, rgba(212, 167, 44, .08), transparent 55%),
    var(--navy-900);
  color: #fff;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at 70% 40%, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 70% 40%, black 30%, transparent 75%);
}
.hero .container {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 56px;
  align-items: center;
  padding: 110px 0 130px;
}
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 18px;
  border-radius: 999px;
  border: 1px solid rgba(243, 217, 139, .35);
  background: rgba(212, 167, 44, .1);
  color: var(--gold-300);
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .04em;
  margin-bottom: 26px;
}
.hero__badge svg { width: 15px; height: 15px; }

.hero h1 {
  font-size: clamp(2.2rem, 4.6vw, 3.6rem);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -.015em;
  margin-bottom: 22px;
}
.hero h1 .gold {
  background: var(--gold-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p { color: #a7b3cc; max-width: 540px; font-size: 1.06rem; margin-bottom: 36px; }

.hero__actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 52px; }

.hero__stats {
  display: flex;
  gap: 44px;
  flex-wrap: wrap;
}
.hero__stat strong {
  display: block;
  font-size: 1.9rem;
  font-weight: 800;
  background: var(--gold-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__stat span { font-size: .84rem; color: #8b99b5; }

.hero__art { position: relative; }
.hero__art svg { width: 100%; height: auto; filter: drop-shadow(0 30px 60px rgba(0, 0, 0, .45)); }

.hero__card {
  position: absolute;
  background: rgba(17, 26, 46, .88);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(243, 217, 139, .22);
  border-radius: 16px;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-lg);
  animation: float 5.5s ease-in-out infinite;
}
.hero__card--1 { top: 8%; left: -6%; }
.hero__card--2 { bottom: 10%; right: -4%; animation-delay: -2.7s; }
.hero__card-icon {
  width: 40px; height: 40px;
  border-radius: 11px;
  background: var(--gold-grad);
  display: grid; place-items: center;
  color: var(--navy-900);
  flex: none;
}
.hero__card-icon svg { width: 20px; height: 20px; }
.hero__card strong { font-size: .95rem; display: block; color: #fff; }
.hero__card span { font-size: .76rem; color: #8b99b5; }

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

/* ---------- USP strip ---------- */
.usp {
  position: relative;
  z-index: 5;
  margin-top: -66px;
}
.usp__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.usp__item {
  padding: 34px 28px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  border-right: 1px solid var(--line);
  transition: background .3s;
}
.usp__item:last-child { border-right: none; }
.usp__item:hover { background: var(--bg-soft); }
.usp__icon {
  width: 50px; height: 50px;
  flex: none;
  border-radius: 14px;
  background: rgba(212, 167, 44, .12);
  display: grid; place-items: center;
  color: var(--gold-600);
}
.usp__icon svg { width: 24px; height: 24px; }
.usp__item h3 { font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
.usp__item p { font-size: .85rem; color: var(--muted); }

/* ---------- Product cards ---------- */
.products__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.p-card {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  overflow: hidden;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .3s;
  display: flex;
  flex-direction: column;
}
.p-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
  border-color: rgba(212, 167, 44, .4);
}
.p-card__media {
  position: relative;
  aspect-ratio: 16 / 10;
  display: grid;
  place-items: center;
  overflow: hidden;
}
.p-card__media svg.p-card__art {
  width: 96px; height: 96px;
  color: rgba(255, 255, 255, .92);
  transition: transform .5s var(--ease);
}
.p-card:hover .p-card__media svg.p-card__art { transform: scale(1.12) translateY(-4px); }
.p-card__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 30px 30px;
}
.p-card__tag {
  position: absolute;
  top: 16px; left: 16px;
  z-index: 2;
  background: rgba(11, 17, 32, .55);
  backdrop-filter: blur(6px);
  color: var(--gold-300);
  padding: 5px 14px;
  border-radius: 999px;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.p-card__body { padding: 26px 26px 28px; flex: 1; display: flex; flex-direction: column; }
.p-card__body h3 { font-size: 1.14rem; font-weight: 700; margin-bottom: 8px; }
.p-card__body p { font-size: .9rem; color: var(--muted); flex: 1; }
.p-card__link {
  margin-top: 18px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: .88rem;
  color: var(--gold-600);
}
.p-card__link svg { width: 16px; height: 16px; transition: transform .3s var(--ease); }
.p-card:hover .p-card__link svg { transform: translateX(5px); }

/* gradient variants for product media */
.g-1 { background: linear-gradient(135deg, #1a2740, #24334f 55%, #3b4c6e); }
.g-2 { background: linear-gradient(135deg, #2b3a55, #16213a 60%, #0b1120); }
.g-3 { background: linear-gradient(135deg, #b8901f, #d4a72c 50%, #8a6c14); }
.g-4 { background: linear-gradient(135deg, #24334f, #1a2740 45%, #101a30); }
.g-5 { background: linear-gradient(135deg, #8a6c14, #b8901f 55%, #d4a72c); }
.g-6 { background: linear-gradient(135deg, #101a30, #24334f 60%, #2f4066); }

/* ---------- About ---------- */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 64px;
  align-items: center;
}
.about__art { position: relative; }
.about__frame {
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: var(--navy-800);
}
.about__frame svg { width: 100%; height: auto; }
.about__xp {
  position: absolute;
  bottom: -26px;
  right: -18px;
  background: var(--gold-grad);
  color: var(--navy-900);
  border-radius: 20px;
  padding: 24px 30px;
  text-align: center;
  box-shadow: 0 18px 40px rgba(212, 167, 44, .45);
}
.about__xp strong { display: block; font-size: 2.3rem; font-weight: 800; line-height: 1; }
.about__xp span { font-size: .8rem; font-weight: 700; letter-spacing: .06em; }

.about__checks { margin-top: 28px; display: grid; gap: 14px; }
.about__checks li {
  display: flex;
  gap: 13px;
  align-items: flex-start;
  font-weight: 600;
  font-size: .96rem;
}
.about__checks li svg {
  width: 22px; height: 22px;
  flex: none;
  color: var(--gold-600);
  margin-top: 2px;
}
.about__checks li small { display: block; font-weight: 400; color: var(--muted); font-size: .87rem; }
.about .btn { margin-top: 34px; }

/* ---------- Process ---------- */
.process__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
  counter-reset: step;
}
.step {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 26px 30px;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.step:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.step__num {
  position: absolute;
  top: -18px;
  left: 24px;
  width: 40px; height: 40px;
  border-radius: 12px;
  background: var(--gold-grad);
  color: var(--navy-900);
  font-weight: 800;
  display: grid;
  place-items: center;
  box-shadow: 0 8px 20px rgba(212, 167, 44, .4);
}
.step__icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: rgba(212, 167, 44, .12);
  color: var(--gold-600);
  display: grid; place-items: center;
  margin-bottom: 18px;
}
.step__icon svg { width: 26px; height: 26px; }
.step h3 { font-size: 1.05rem; margin-bottom: 8px; }
.step p { font-size: .88rem; color: var(--muted); }

/* ---------- Stats (dark) ---------- */
.stats {
  background:
    radial-gradient(700px 340px at 15% 0%, rgba(212, 167, 44, .13), transparent 60%),
    var(--navy-900);
}
.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.stat {
  text-align: center;
  padding: 40px 18px;
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .025);
  transition: border-color .3s, background .3s;
}
.stat:hover { border-color: rgba(243, 217, 139, .35); background: rgba(212, 167, 44, .05); }
.stat strong {
  display: block;
  font-size: clamp(2.1rem, 4vw, 2.9rem);
  font-weight: 800;
  background: var(--gold-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1.15;
}
.stat span { color: #94a1bd; font-size: .9rem; }

/* ---------- Metrics bars ---------- */
.metrics { display: grid; gap: 26px; max-width: 620px; }
.metric__head { display: flex; justify-content: space-between; font-weight: 700; font-size: .93rem; margin-bottom: 10px; }
.metric__head span:last-child { color: var(--gold-600); }
.metric__bar {
  height: 10px;
  border-radius: 999px;
  background: var(--line);
  overflow: hidden;
}
.metric__fill {
  height: 100%;
  width: 0;
  border-radius: 999px;
  background: var(--gold-grad);
  transition: width 1.4s var(--ease);
}
.why__grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 64px;
  align-items: center;
}
.why__points { margin-top: 30px; display: grid; gap: 22px; }
.why__point { display: flex; gap: 16px; }
.why__point-icon {
  width: 48px; height: 48px;
  flex: none;
  border-radius: 13px;
  background: rgba(212, 167, 44, .12);
  color: var(--gold-600);
  display: grid; place-items: center;
}
.why__point-icon svg { width: 23px; height: 23px; }
.why__point h3 { font-size: 1.02rem; margin-bottom: 4px; }
.why__point p { font-size: .88rem; color: var(--muted); }

/* ---------- Projects ---------- */
.projects__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.pj-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4 / 5;
  display: flex;
  align-items: flex-end;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease);
}
.pj-card:hover { transform: translateY(-7px); box-shadow: var(--shadow-lg); }
.pj-card__bg {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
}
.pj-card__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 26px 26px;
}
.pj-card__bg svg {
  width: 80px; height: 80px;
  color: rgba(255, 255, 255, .8);
  transition: transform .5s var(--ease);
}
.pj-card:hover .pj-card__bg svg { transform: scale(1.15); }
.pj-card__overlay {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: 22px;
  background: linear-gradient(transparent, rgba(11, 17, 32, .92) 70%);
  color: #fff;
}
.pj-card__overlay .cat {
  display: inline-block;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--gold-300);
  margin-bottom: 6px;
}
.pj-card__overlay h3 { font-size: .98rem; font-weight: 700; line-height: 1.35; }
.pj-card__overlay p { font-size: .78rem; color: #9aa7c0; margin-top: 3px; }

/* ---------- Testimonials ---------- */
.quotes__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.quote {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 30px;
  position: relative;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.quote:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.quote__mark {
  width: 42px; height: 42px;
  border-radius: 12px;
  background: var(--gold-grad);
  color: var(--navy-900);
  display: grid; place-items: center;
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 18px;
  font-family: Georgia, serif;
}
.quote p { font-size: .93rem; color: #44506b; font-style: italic; }
.quote__who { margin-top: 20px; display: flex; align-items: center; gap: 13px; }
.quote__avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--navy-800);
  color: var(--gold-400);
  display: grid; place-items: center;
  font-weight: 800;
  font-size: .95rem;
  flex: none;
}
.quote__who strong { display: block; font-size: .93rem; }
.quote__who span { font-size: .8rem; color: var(--muted); }
.quote__stars { color: var(--gold-500); letter-spacing: 3px; font-size: .85rem; margin-bottom: 12px; }

/* ---------- News ---------- */
.news__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.n-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
  display: flex;
  flex-direction: column;
}
.n-card:hover { transform: translateY(-7px); box-shadow: var(--shadow-md); }
.n-card__media {
  aspect-ratio: 16 / 9;
  display: grid;
  place-items: center;
  position: relative;
}
.n-card__media svg { width: 62px; height: 62px; color: rgba(255, 255, 255, .85); }
.n-card__body { padding: 24px 26px 26px; flex: 1; display: flex; flex-direction: column; }
.n-card__meta {
  display: flex;
  gap: 16px;
  font-size: .78rem;
  color: var(--muted);
  margin-bottom: 10px;
}
.n-card__meta span { display: inline-flex; align-items: center; gap: 6px; }
.n-card__meta svg { width: 13px; height: 13px; color: var(--gold-600); }
.n-card h3 { font-size: 1.05rem; line-height: 1.4; margin-bottom: 10px; }
.n-card h3 a:hover { color: var(--gold-600); }
.n-card p { font-size: .88rem; color: var(--muted); flex: 1; }

/* ---------- CTA banner ---------- */
.cta {
  position: relative;
  background:
    radial-gradient(800px 400px at 80% 20%, rgba(212, 167, 44, .22), transparent 60%),
    var(--navy-900);
  border-radius: 26px;
  padding: 72px 60px;
  color: #fff;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.3fr .7fr;
  align-items: center;
  gap: 40px;
}
.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 44px 44px;
}
.cta > * { position: relative; }
.cta h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); font-weight: 800; line-height: 1.25; margin-bottom: 14px; }
.cta p { color: #9aa7c0; max-width: 520px; }
.cta__actions { display: flex; flex-direction: column; gap: 14px; align-items: flex-start; justify-self: end; }

/* ---------- Footer ---------- */
.footer {
  background: var(--navy-900);
  color: #93a0bc;
  padding: 80px 0 0;
  font-size: .92rem;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 56px;
}
.footer h4 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 22px;
  position: relative;
  padding-bottom: 12px;
}
.footer h4::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 36px; height: 2px;
  background: var(--gold-grad);
  border-radius: 2px;
}
.footer__about p { margin: 18px 0 22px; line-height: 1.7; }
.footer__links li { margin-bottom: 12px; }
.footer__links a {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  transition: color .25s, transform .25s;
}
.footer__links a svg { width: 12px; height: 12px; color: var(--gold-500); }
.footer__links a:hover { color: var(--gold-300); transform: translateX(4px); }
.footer__contact li {
  display: flex;
  gap: 13px;
  margin-bottom: 16px;
  align-items: flex-start;
}
.footer__contact svg { width: 18px; height: 18px; color: var(--gold-400); flex: none; margin-top: 3px; }
.footer__contact a:hover { color: var(--gold-300); }
.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding: 22px 0;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: .84rem;
}
.footer__bottom .gold { color: var(--gold-400); font-weight: 600; }

/* ---------- Floating contact ---------- */
.float-contact {
  position: fixed;
  right: 22px;
  bottom: 24px;
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.float-btn {
  width: 54px; height: 54px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #fff;
  box-shadow: var(--shadow-md);
  transition: transform .3s var(--ease);
  position: relative;
}
.float-btn:hover { transform: scale(1.1); }
.float-btn svg { width: 26px; height: 26px; }
.float-btn--phone { background: linear-gradient(135deg, #d4a72c, #b8901f); animation: ring-pulse 2.2s infinite; }
.float-btn--zalo { background: linear-gradient(135deg, #0068ff, #0047b3); font-weight: 800; font-size: .8rem; }
.float-btn--top {
  background: var(--navy-800);
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s, transform .3s var(--ease);
}
.float-btn--top.is-visible { opacity: 1; pointer-events: auto; }

/* ---------- Page hero (subpages) ---------- */
.page-hero {
  background:
    radial-gradient(700px 320px at 80% 0%, rgba(212, 167, 44, .16), transparent 60%),
    var(--navy-900);
  color: #fff;
  padding: 88px 0;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 50px 50px;
  mask-image: radial-gradient(ellipse at 60% 40%, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at 60% 40%, black 30%, transparent 80%);
}
.page-hero .container { position: relative; }
.page-hero h1 { font-size: clamp(2rem, 4vw, 2.9rem); font-weight: 800; margin-bottom: 12px; }
.page-hero h1 .gold { background: var(--gold-grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.breadcrumb { display: flex; gap: 10px; align-items: center; font-size: .87rem; color: #8b99b5; }
.breadcrumb a:hover { color: var(--gold-300); }
.breadcrumb svg { width: 13px; height: 13px; }
.breadcrumb .current { color: var(--gold-300); font-weight: 600; }

/* ---------- Contact page ---------- */
.contact__grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 52px;
  align-items: start;
}
.contact__cards { display: grid; gap: 20px; }
.c-card {
  display: flex;
  gap: 18px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.c-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.c-card__icon {
  width: 52px; height: 52px;
  flex: none;
  border-radius: 14px;
  background: rgba(212, 167, 44, .12);
  color: var(--gold-600);
  display: grid; place-items: center;
}
.c-card__icon svg { width: 24px; height: 24px; }
.c-card h3 { font-size: 1rem; margin-bottom: 4px; }
.c-card p, .c-card a { font-size: .92rem; color: var(--muted); }
.c-card a:hover { color: var(--gold-600); }
.c-card strong a { color: var(--navy-900); font-size: 1.05rem; }

.form-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 42px;
  box-shadow: var(--shadow-sm);
}
.form-card h2 { font-size: 1.5rem; font-weight: 800; margin-bottom: 6px; }
.form-card > p { color: var(--muted); font-size: .92rem; margin-bottom: 30px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { display: flex; flex-direction: column; gap: 7px; }
.form-group--full { grid-column: 1 / -1; }
.form-group label { font-size: .85rem; font-weight: 700; }
.form-group label span { color: #d64545; }
.form-group input,
.form-group select,
.form-group textarea {
  font-family: inherit;
  font-size: .93rem;
  padding: 13px 16px;
  border: 1.5px solid var(--line);
  border-radius: 12px;
  background: var(--bg-soft);
  transition: border-color .25s, box-shadow .25s, background .25s;
  color: var(--ink);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--gold-500);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(212, 167, 44, .14);
}
.form-note { font-size: .8rem; color: var(--muted); margin-top: 14px; }
.form-success {
  display: none;
  margin-top: 18px;
  padding: 14px 18px;
  border-radius: 12px;
  background: #eaf7ef;
  border: 1px solid #b9e4c8;
  color: #1e7a3e;
  font-size: .9rem;
  font-weight: 600;
}
.form-success.is-visible { display: block; }

.map-embed {
  border-radius: 22px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--line);
  margin-top: 64px;
}
.map-embed iframe { width: 100%; height: 420px; border: 0; display: block; }

/* ---------- Feature list page (san pham detail rows) ---------- */
.spec-list { margin-top: 18px; display: grid; gap: 10px; }
.spec-list li {
  display: flex;
  gap: 11px;
  align-items: flex-start;
  font-size: .92rem;
  color: #44506b;
}
.spec-list svg { width: 18px; height: 18px; color: var(--gold-600); flex: none; margin-top: 3px; }

.product-row {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 56px;
  align-items: center;
  padding: 64px 0;
  border-bottom: 1px solid var(--line);
}
.product-row:last-child { border-bottom: none; }
.product-row:nth-child(even) .product-row__media { order: 2; }
.product-row__media {
  border-radius: 22px;
  aspect-ratio: 4 / 3;
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.product-row__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 32px 32px;
}
.product-row__media svg { width: 120px; height: 120px; color: rgba(255, 255, 255, .9); position: relative; z-index: 2; }
.product-row h2 { font-size: 1.55rem; font-weight: 800; margin-bottom: 12px; }
.product-row > div > p { color: var(--muted); font-size: .95rem; }
.product-row .btn { margin-top: 26px; }

/* ---------- Values / mission cards ---------- */
.values__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.v-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px 30px;
  text-align: center;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.v-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.v-card__icon {
  width: 64px; height: 64px;
  margin: 0 auto 20px;
  border-radius: 18px;
  background: var(--gold-grad);
  color: var(--navy-900);
  display: grid; place-items: center;
  box-shadow: 0 10px 24px rgba(212, 167, 44, .35);
}
.v-card__icon svg { width: 30px; height: 30px; }
.v-card h3 { font-size: 1.1rem; margin-bottom: 10px; }
.v-card p { font-size: .9rem; color: var(--muted); }

/* ---------- CMS: ảnh upload đè lên hình minh hoạ ---------- */
.cms-has-img > svg,
.cms-has-img .p-card__art { display: none; }
.cms-has-img::after { display: none !important; }

/* ---------- Scroll reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: .1s; }
.reveal-d2 { transition-delay: .2s; }
.reveal-d3 { transition-delay: .3s; }
.reveal-d4 { transition-delay: .4s; }
.reveal-d5 { transition-delay: .5s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1080px) {
  .products__grid, .quotes__grid, .news__grid, .values__grid { grid-template-columns: repeat(2, 1fr); }
  .projects__grid { grid-template-columns: repeat(2, 1fr); }
  .usp__grid { grid-template-columns: repeat(2, 1fr); }
  .usp__item:nth-child(2) { border-right: none; }
  .usp__item:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .process__grid { grid-template-columns: repeat(2, 1fr); row-gap: 40px; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .hero .container { grid-template-columns: 1fr; padding: 80px 0 120px; }
  .hero__art { max-width: 480px; margin-inline: auto; }
  .header__hotline { display: none; }
}

@media (max-width: 860px) {
  .section { padding: 68px 0; }
  .topbar__group--right { display: none; }
  .nav {
    position: fixed;
    top: 0; right: 0; bottom: 0;
    width: min(320px, 84vw);
    background: var(--navy-900);
    flex-direction: column;
    align-items: stretch;
    padding: 90px 26px 30px;
    gap: 6px;
    transform: translateX(100%);
    transition: transform .4s var(--ease);
    z-index: 99;
    box-shadow: var(--shadow-lg);
  }
  .nav.is-open { transform: translateX(0); }
  .nav a { color: #dfe5f1; padding: 14px 16px; font-size: 1rem; border-radius: 12px; }
  .nav a:hover, .nav a.is-active { background: rgba(212, 167, 44, .12); color: var(--gold-300); }
  .nav a::after { display: none; }
  .nav-toggle { display: flex; z-index: 100; }
  .nav-toggle.is-open span { background: #fff; }
  .about__grid, .why__grid, .contact__grid { grid-template-columns: 1fr; gap: 48px; }
  .about__xp { right: 10px; bottom: -20px; padding: 18px 24px; }
  .about__xp strong { font-size: 1.8rem; }
  .cta { grid-template-columns: 1fr; padding: 52px 32px; }
  .cta__actions { justify-self: start; flex-direction: row; flex-wrap: wrap; }
  .product-row { grid-template-columns: 1fr; gap: 32px; }
  .product-row:nth-child(even) .product-row__media { order: 0; }
  .form-card { padding: 30px 24px; }
}

@media (max-width: 600px) {
  .products__grid, .quotes__grid, .news__grid, .projects__grid, .values__grid,
  .process__grid, .usp__grid, .footer__grid { grid-template-columns: 1fr; }
  .usp__item { border-right: none; border-bottom: 1px solid var(--line); }
  .usp__item:last-child { border-bottom: none; }
  .stats__grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .form-grid { grid-template-columns: 1fr; }
  .hero__stats { gap: 26px; }
  .hero__card--1 { left: 0; }
  .hero__card--2 { right: 0; }
  .topbar .container { justify-content: center; }
  .brand__tag { display: none; }
}