/* =============================================================
   PHÚC NHÃ KHANG — Main Stylesheet
   Màu sắc: Đỏ tươi + Trắng (Red & White)
   ============================================================= */

/* ── CSS Variables ─────────────────────────────────────────── */
:root {
  /* Backgrounds – trắng tinh với tông đỏ nhẹ */
  --bg-deep:    #fff5f5;
  --bg-dark:    #ffecec;
  --bg-card:    #ffffff;
  --bg-header:  #ffffff;

  /* Red – đỏ tươi chủ đạo */
  --fire-400:   #ef3030;
  --fire-500:   #dc1414;
  --fire-600:   #b81010;

  /* Red secondary – đỏ phụ / hồng đỏ */
  --gold-400:   #ff6b6b;
  --gold-500:   #e52020;
  --gold-600:   #c01818;

  /* Text – đen đỏ ấm */
  --text-900:   #1a0505;
  --text-700:   #4a1010;
  --text-500:   #8b4040;
  --text-400:   #b06060;
  --text-300:   #cc9090;

  /* Kept for compat */
  --sky-400:    #ef3030;
  --sky-500:    #dc1414;
  --blue-600:   #b81010;
  --purple-500: #e52020;
  --slate-300:  #4a1010;
  --slate-400:  #8b4040;
  --slate-500:  #b06060;
  --slate-600:  #cc9090;
  --white:      #ffffff;

  /* Border */
  --border:     rgba(220, 20, 20, 0.12);
  --border-md:  rgba(220, 20, 20, 0.20);
  --border-lg:  rgba(220, 20, 20, 0.35);

  --radius-xl:  1rem;
  --radius-2xl: 1.25rem;
  --transition: 0.25s ease;

  --shadow-sky:    0 0 30px rgba(220,20,20,0.28);
  --shadow-sky-lg: 0 0 50px rgba(220,20,20,0.45);
  --shadow-fire:    0 0 30px rgba(220,20,20,0.28);
  --shadow-fire-lg: 0 0 50px rgba(220,20,20,0.45);
  --shadow-gold:    0 0 24px rgba(239,48,48,0.28);
}

/* ── Reset & Base ───────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background-color: var(--bg-deep);
  color: var(--text-700);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── Typography ─────────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-900);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

a { color: inherit; text-decoration: none; transition: color var(--transition); }
img { max-width: 100%; height: auto; display: block; }
input, textarea, select, button { font-family: inherit; }

/* ── Utilities ──────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.text-sky    { color: var(--sky-400); }
.text-white  { color: var(--white); }
.text-muted  { color: var(--slate-400); }
.text-faint  { color: var(--slate-500); }
.text-center { text-align: center; }

.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.22,1,0.36,1), transform 0.7s cubic-bezier(0.22,1,0.36,1);
}
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ── Top-bar ────────────────────────────────────────────────── */
.topbar {
  background: #fff5f5;
  border-bottom: 1px solid var(--border);
  padding: 0.5rem 0;
  font-size: 0.75rem;
  color: var(--text-500);
}
.topbar__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}
.topbar__left  { display: flex; align-items: center; gap: 1.25rem; }
.topbar a:hover { color: var(--fire-500); }

/* ── Header ─────────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}
.site-header.scrolled {
  box-shadow: 0 4px 24px rgba(220,20,20,0.12);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
  gap: 1.5rem;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
  transition: opacity 0.2s;
}
.logo:hover { opacity: 0.88; }
.logo__icon {
  width: 3.4rem; height: 3.4rem;
  background: #fff8f6;
  border: 1.5px solid rgba(196, 48, 34, 0.12);
  border-radius: 0.75rem;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: transform 0.3s, box-shadow 0.3s;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(196, 48, 34, 0.08);
}
.logo:hover .logo__icon {
  transform: scale(1.05);
  box-shadow: 0 4px 16px rgba(196, 48, 34, 0.18);
}
.logo__icon svg { display: none; }
.logo__icon img { width: 82%; height: 82%; object-fit: contain; display: block; }
.logo__text { display: flex; flex-direction: column; gap: 0.1rem; }
.logo__name {
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--text-900);
  letter-spacing: 0.06em;
  line-height: 1.15;
}
.logo__tagline {
  font-size: 0.58rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--fire-500);
  opacity: 0.9;
  font-weight: 500;
}

/* Desktop Nav */
.nav-desktop { display: flex; align-items: center; gap: 0.25rem; }
.nav-desktop a {
  position: relative;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-700);
  border-radius: 0.5rem;
  transition: color var(--transition), background var(--transition);
}
.nav-desktop a:hover { color: var(--text-900); background: rgba(220,20,20,0.06); }
.nav-desktop a.active {
  color: var(--fire-500);
  background: rgba(220,20,20,0.07);
}
.nav-desktop a.active::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%; transform: translateX(-50%);
  width: 1rem; height: 2px;
  background: var(--fire-500);
  border-radius: 9999px;
}

.btn-nav {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.5rem 1.25rem;
  background: linear-gradient(135deg, var(--fire-400) 0%, var(--fire-600) 100%);
  color: #fff;
  font-size: 0.875rem; font-weight: 600;
  border-radius: 0.5rem;
  white-space: nowrap;
  box-shadow: 0 0 18px rgba(220,20,20,0.28);
  transition: box-shadow var(--transition), filter var(--transition);
}
.btn-nav:hover { box-shadow: 0 0 28px rgba(220,20,20,0.50); filter: brightness(1.05); color: #fff; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 2.5rem; height: 2.5rem;
  background: none; border: none; cursor: pointer;
  padding: 0.4rem;
}
.hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--text-700);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Menu */
.nav-mobile {
  display: none;
  background: #fff5f5;
  border-top: 1px solid var(--border);
  padding: 1rem 0;
}
.nav-mobile.open { display: block; }
.nav-mobile a {
  display: block;
  padding: 0.75rem 1.5rem;
  font-size: 0.9rem; font-weight: 500;
  color: var(--text-700);
  border-radius: 0.5rem;
  margin: 0 1rem 0.25rem;
  transition: background var(--transition), color var(--transition);
}
.nav-mobile a:hover { background: rgba(220,20,20,0.06); color: var(--text-900); }
.nav-mobile a.active { background: rgba(220,20,20,0.10); color: var(--fire-500); border: 1px solid rgba(220,20,20,0.20); }
.nav-mobile .btn-mobile {
  display: block; text-align: center;
  margin: 0.5rem 1rem 0;
  padding: 0.75rem;
  background: linear-gradient(135deg, var(--fire-400), var(--fire-600));
  color: #fff; font-weight: 600; border-radius: 0.5rem;
}

/* ── Buttons ─────────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 1rem 2rem;
  background: linear-gradient(135deg, var(--fire-400) 0%, var(--fire-600) 100%);
  color: #fff;
  font-weight: 600; font-size: 0.95rem;
  border-radius: var(--radius-xl);
  border: none; cursor: pointer;
  box-shadow: var(--shadow-fire);
  transition: box-shadow var(--transition), filter var(--transition);
}
.btn-primary:hover { box-shadow: var(--shadow-fire-lg); filter: brightness(1.08); color: #fff; }

.btn-outline {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 1rem 2rem;
  background: rgba(220,20,20,0.05);
  color: var(--text-900);
  font-weight: 600; font-size: 0.95rem;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-md);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
}
.btn-outline:hover { background: rgba(220,20,20,0.10); border-color: var(--border-lg); color: var(--text-900); }

.btn-ghost-sky {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.6rem 1rem;
  background: rgba(220,20,20,0.07);
  border: 1px solid rgba(220,20,20,0.20);
  color: var(--fire-500);
  font-size: 0.875rem; font-weight: 600;
  border-radius: var(--radius-xl);
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}
.btn-ghost-sky:hover { background: rgba(220,20,20,0.14); border-color: rgba(220,20,20,0.38); color: var(--fire-600); }

/* ── Section labels ─────────────────────────────────────────── */
.section-eyebrow {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--fire-500);
  margin-bottom: 0.75rem;
}

/* ── Grid layouts ───────────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 1.5rem; }

/* ── Card base ──────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-2xl);
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
  overflow: hidden;
}
.card:hover {
  background: #fff5f5;
  border-color: var(--border-md);
}

/* ── Gradient text ──────────────────────────────────────────── */
.grad-text {
  background: linear-gradient(135deg, var(--gold-400) 0%, var(--fire-400) 50%, var(--gold-500) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
  padding-bottom: 0.2em;
  line-height: 1.4;
}

/* ── Badge / pill ───────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: rgba(220,20,20,0.08);
  border: 1px solid rgba(220,20,20,0.20);
  color: var(--fire-500);
  font-size: 0.8rem; font-weight: 500;
  border-radius: 9999px;
}
.badge__dot {
  width: 0.5rem; height: 0.5rem;
  background: var(--fire-500);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; }
  50%      { opacity: 0.4; }
}

/* ── ─── HERO ─────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero__bg {
  position: absolute; inset: 0;
}
.hero__bg img {
  width: 100%; height: 100%; object-fit: cover; opacity: 0.28;
}
.hero__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to right, rgba(255,255,255,0.96) 0%, rgba(255,255,255,0.78) 50%, transparent 100%);
}
.hero__overlay-bottom {
  position: absolute; inset: 0;
  background: linear-gradient(to top, var(--bg-deep) 0%, transparent 40%);
}
.hero__grid {
  position: absolute; inset: 0; opacity: 0.05;
  background-image:
    linear-gradient(rgba(220,20,20,0.25) 1px, transparent 1px),
    linear-gradient(90deg, rgba(220,20,20,0.25) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero__glow-1 {
  position: absolute; top: 25%; left: 33%;
  width: 24rem; height: 24rem;
  background: rgba(220,20,20,0.07);
  border-radius: 50%;
  filter: blur(64px);
  pointer-events: none;
}
.hero__glow-2 {
  position: absolute; bottom: 25%; left: 25%;
  width: 16rem; height: 16rem;
  background: rgba(239,48,48,0.07);
  border-radius: 50%;
  filter: blur(64px);
  pointer-events: none;
}
.hero__content {
  position: relative; z-index: 1;
  width: 100%;
  padding: 7rem 0 9rem;
}
.hero__inner { max-width: 48rem; }
.hero__title {
  font-size: clamp(2.0rem, 6vw, 4rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--text-900);
  margin: 1.5rem 0;
}
.hero__title-top {
  display: block;
  color: var(--fire-600);
  -webkit-text-stroke: 0.5px var(--fire-600);
}
.hero__subtitle {
  font-size: 1.1rem;
  color: var(--slate-300);
  max-width: 40rem;
  line-height: 1.7;
  margin-bottom: 2.5rem;
}
.hero__cta { display: flex; flex-wrap: wrap; gap: 1rem; }
.hero__stats {
  display: flex; flex-wrap: wrap; gap: 2rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}
.hero__stat-value {
  font-size: 2rem; font-weight: 800;
  color: var(--text-900); letter-spacing: -0.02em;
  display: block;
}
.hero__stat-label { font-size: 0.8rem; color: var(--text-500); }
.hero__scroll {
  position: absolute;
  bottom: 2rem; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
  font-size: 0.65rem; letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--text-400);
}
.hero__scroll-line {
  width: 1px; height: 3rem;
  background: linear-gradient(to bottom, var(--text-400), transparent);
}

/* ── Section hero (inner pages) ────────────────────────────── */
.page-hero {
  position: relative;
  padding: 7rem 0 5rem;
  overflow: hidden;
  text-align: center;
}
.page-hero__bg {
  position: absolute; inset: 0;
}
.page-hero__bg img { width: 100%; height: 100%; object-fit: cover; opacity: 0.18; }
.page-hero__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, rgba(255,255,255,0.70) 0%, var(--bg-deep) 100%);
}
.page-hero__grid {
  position: absolute; inset: 0; opacity: 0.05;
  background-image:
    linear-gradient(rgba(220,20,20,0.25) 1px, transparent 1px),
    linear-gradient(90deg, rgba(220,20,20,0.25) 1px, transparent 1px);
  background-size: 40px 40px;
}
.page-hero__content { position: relative; z-index: 1; }
.page-hero__label {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.75rem; font-weight: 600;
  letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--fire-500); margin-bottom: 1rem;
}
.page-hero__label-line { width: 2rem; height: 1px; background: var(--fire-500); }
.page-hero__title {
  font-size: clamp(2rem, 6vw, 4rem);
  font-weight: 900; letter-spacing: -0.03em;
  color: var(--text-900); margin-bottom: 1.25rem;
}
.page-hero__desc { font-size: 1.05rem; color: var(--text-500); max-width: 42rem; margin: 0 auto; }

/* ── Stats band ─────────────────────────────────────────────── */
.stats-band {
  background: linear-gradient(to right, rgba(255,230,230,0.7), rgba(255,245,245,0.7), rgba(255,230,230,0.7));
  border-top: 1px solid rgba(220,20,20,0.12);
  border-bottom: 1px solid rgba(220,20,20,0.12);
  padding: 3.5rem 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 2rem;
  text-align: center;
}
.stat-value {
  font-size: clamp(1.8rem,4vw,2.8rem);
  font-weight: 900;
  background: linear-gradient(135deg, var(--fire-500), var(--gold-500));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
  margin-bottom: 0.25rem;
}
.stat-label { font-size: 0.85rem; color: var(--text-500); }

/* ── Features section ───────────────────────────────────────── */
.features-section { padding: 6rem 0; background: var(--bg-dark); }
.features-header { text-align: center; margin-bottom: 4rem; }
.features-header h2 {
  font-size: clamp(1.6rem,4vw,2.8rem);
  font-weight: 800; letter-spacing: -0.02em; margin-bottom: 1rem;
}
.features-header p { color: var(--text-500); max-width: 40rem; margin: 0 auto; }

.features-grid {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 1.5rem;
}
.feature-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-2xl);
  padding: 1.5rem;
  overflow: hidden;
  transition: background var(--transition), border-color var(--transition);
}
.feature-card:hover { background: #fff5f5; border-color: var(--border-md); }
.feature-card__corner {
  position: absolute; top: 0; right: 0;
  width: 5rem; height: 5rem;
  opacity: 0.1;
  border-bottom-left-radius: 100%;
  transition: opacity var(--transition);
}
.feature-card:hover .feature-card__corner { opacity: 0.2; }
.feature-card__icon {
  width: 3rem; height: 3rem;
  border-radius: 0.75rem;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.25rem;
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
}
.feature-card__icon svg { width: 1.5rem; height: 1.5rem; fill: none; stroke: #fff; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.feature-card h3 { font-size: 0.95rem; font-weight: 600; margin-bottom: 0.75rem; color: var(--text-900); }
.feature-card p { font-size: 0.85rem; color: var(--text-500); line-height: 1.65; }

/* Gradient backgrounds for icons/accents */
.grad-sky     { background: linear-gradient(135deg, var(--fire-400), var(--fire-600)); }
.grad-violet  { background: linear-gradient(135deg, var(--gold-400), var(--gold-600)); }
.grad-amber   { background: linear-gradient(135deg, #f59e0b, #ea580c); }
.grad-emerald { background: linear-gradient(135deg, #10b981, #0d9488); }
.grad-orange  { background: linear-gradient(135deg, var(--fire-400), var(--fire-600)); }
.grad-rose    { background: linear-gradient(135deg, var(--gold-400), var(--gold-600)); }
.grad-slate   { background: linear-gradient(135deg, #8b7355, #5c4830); }
.grad-cyan    { background: linear-gradient(135deg, var(--gold-400), var(--fire-400)); }

/* ── Products section ───────────────────────────────────────── */
.products-section { padding: 6rem 0; background: var(--bg-deep); }
.products-header {
  display: flex; align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 3.5rem; gap: 1rem; flex-wrap: wrap;
}
.products-header__link {
  display: flex; align-items: center; gap: 0.5rem;
  color: var(--fire-500); font-size: 0.875rem; font-weight: 600;
}
.products-header__link:hover { color: var(--fire-600); }

.products-grid {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 1.5rem;
}
.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  transition: transform 0.4s cubic-bezier(0.22,1,0.36,1), border-color var(--transition), background var(--transition);
}
.product-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-md);
  background: #fff5f5;
}
.product-card__img-wrap {
  position: relative; height: 13rem; overflow: hidden;
}
.product-card__img-wrap img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.65s cubic-bezier(0.22,1,0.36,1);
}
.product-card:hover .product-card__img-wrap img { transform: scale(1.1); }
.product-card__img-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(255,255,255,0.85) 0%, transparent 60%);
}
.product-card__grade {
  position: absolute; top: 0.75rem; right: 0.75rem;
  background: rgba(0,0,0,0.60); backdrop-filter: blur(4px);
  border: 1px solid rgba(255,255,255,0.15);
  color: var(--white); padding: 0.2rem 0.5rem;
  border-radius: 0.4rem; font-size: 0.7rem; font-weight: 700; letter-spacing: 0.05em;
}
.product-card__tag {
  position: absolute; top: 0.75rem; left: 0.75rem;
  color: var(--white); padding: 0.2rem 0.65rem;
  border-radius: 9999px; font-size: 0.7rem; font-weight: 600;
}
.tag-sky     { background: var(--fire-500); }
.tag-violet  { background: var(--gold-500); }
.tag-amber   { background: #f59e0b; }
.tag-emerald { background: #10b981; }
.tag-orange  { background: var(--fire-400); }
.tag-rose    { background: var(--fire-500); }
.tag-slate   { background: #7a6050; }
.tag-cyan    { background: var(--gold-400); }

.product-card__body { padding: 1.25rem; }
.product-card__body h3 { font-size: 0.95rem; font-weight: 600; margin-bottom: 0.5rem; color: var(--text-900); }
.product-card__body p { font-size: 0.82rem; color: var(--text-500); margin-bottom: 1rem; }
.product-card__specs { list-style: none; margin-bottom: 1.25rem; display: flex; flex-direction: column; gap: 0.3rem; }
.product-card__specs li {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.75rem; color: var(--text-500);
}
.product-card__specs li::before {
  content: '✓';
  color: var(--fire-500); font-size: 0.7rem; font-weight: 700;
  flex-shrink: 0;
}
.product-card__cta {
  display: flex; align-items: center; justify-content: center; gap: 0.5rem;
  width: 100%; padding: 0.65rem;
  background: rgba(220,20,20,0.07);
  border: 1px solid rgba(220,20,20,0.20);
  color: var(--fire-500); font-size: 0.85rem; font-weight: 600;
  border-radius: var(--radius-xl);
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}
.product-card__cta:hover { background: rgba(220,20,20,0.14); border-color: rgba(220,20,20,0.38); color: var(--fire-600); }

/* ── Partners section ───────────────────────────────────────── */
.partners-section {
  padding: 5rem 0;
  background: var(--bg-dark);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.partners-grid {
  display: grid; grid-template-columns: repeat(4,1fr); gap: 1.25rem;
}
.partner-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-2xl);
  padding: 1.5rem;
  text-align: center;
  transition: background var(--transition), border-color var(--transition);
}
.partner-card:hover { background: #fff5f5; border-color: var(--border-md); }
.partner-card__flag { font-size: 2.25rem; margin-bottom: 0.75rem; }
.partner-card__name { color: var(--text-900); font-weight: 600; font-size: 0.9rem; margin-bottom: 0.25rem; }
.partner-card__mills { color: var(--text-500); font-size: 0.75rem; line-height: 1.5; }

/* ── CTA section ────────────────────────────────────────────── */
.cta-section {
  padding: 6rem 0;
  background: var(--bg-deep);
  position: relative; overflow: hidden;
}
.cta-section__glow {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(circle at 20% 50%, rgba(220,20,20,0.05) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(239,48,48,0.05) 0%, transparent 50%);
}
.cta-section__inner { position: relative; z-index: 1; max-width: 48rem; margin: 0 auto; text-align: center; }
.cta-section__title {
  font-size: clamp(1.6rem, 4vw, 2.8rem);
  font-weight: 900; letter-spacing: -0.01em; line-height: 1.35;
  margin: 1.5rem 0;
  color: var(--text-900);
}
.cta-section__subtitle { font-size: 1rem; color: var(--text-500); margin-bottom: 2.5rem; }
.cta-section__actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 1rem; }

/* ── Products page filter ───────────────────────────────────── */
.filter-bar {
  position: sticky; top: 4rem; z-index: 50;
  background: rgba(255,255,255,0.96); backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
}
.filter-bar__inner { display: flex; align-items: center; gap: 0.75rem; overflow-x: auto; }
.filter-bar__inner::-webkit-scrollbar { display: none; }
.filter-btn {
  display: flex; align-items: center;
  flex-shrink: 0; padding: 0.45rem 1.1rem;
  border-radius: var(--radius-xl);
  font-size: 0.875rem; font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  background: none;
  color: var(--text-500);
  transition: all var(--transition);
}
.filter-btn:hover { color: var(--text-900); background: rgba(220,20,20,0.06); }
.filter-btn.active { color: var(--fire-500); background: rgba(220,20,20,0.09); border-color: rgba(220,20,20,0.28); }

/* Product-detail grid */
.all-products-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 1.5rem;
}
.product-detail-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  transition: transform 0.4s, border-color var(--transition);
  display: none;
}
.product-detail-card.show { display: flex; flex-direction: column; }
.product-detail-card:hover { transform: translateY(-4px); border-color: var(--border-md); }
.product-detail-card__img { position: relative; height: 14rem; overflow: hidden; }
.product-detail-card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s; }
.product-detail-card:hover .product-detail-card__img img { transform: scale(1.08); }
.product-detail-card__img-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(255,255,255,0.85) 0%, transparent 60%);
}
.product-detail-card__body { padding: 1.5rem; flex: 1; display: flex; flex-direction: column; }
.product-detail-card__category {
  font-size: 0.7rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--fire-500); margin-bottom: 0.5rem;
}
.product-detail-card__highlight {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-size: 0.75rem; font-weight: 600;
  color: var(--fire-500);
  margin-bottom: 1rem;
}
.product-detail-card h3 {
  font-size: 1.1rem; font-weight: 700; margin-bottom: 0.75rem; color: var(--text-900);
}
.product-detail-card__specs {
  list-style: none; margin-bottom: 1rem;
  display: flex; flex-direction: column; gap: 0.35rem;
}
.product-detail-card__specs li {
  font-size: 0.8rem; color: var(--text-500);
  display: flex; align-items: flex-start; gap: 0.5rem;
}
.product-detail-card__specs li::before { content: '—'; color: var(--fire-500); font-weight: 700; flex-shrink: 0; }
.product-detail-card__apps {
  display: flex; flex-wrap: wrap; gap: 0.35rem;
  margin-bottom: 1.25rem; margin-top: auto; padding-top: 0.75rem;
}
.app-tag {
  font-size: 0.7rem; padding: 0.2rem 0.6rem;
  background: rgba(220,20,20,0.06); border: 1px solid rgba(220,20,20,0.14);
  border-radius: 9999px; color: var(--text-700);
}
.product-detail-card__cta {
  display: flex; align-items: center; justify-content: center; gap: 0.5rem;
  width: 100%; padding: 0.7rem;
  background: linear-gradient(135deg, var(--fire-400), var(--fire-600));
  color: #fff; font-size: 0.875rem; font-weight: 600;
  border-radius: var(--radius-xl);
  transition: filter var(--transition), box-shadow var(--transition);
}
.product-detail-card__cta:hover { filter: brightness(1.08); box-shadow: var(--shadow-fire); color: #fff; }

/* ── About page ─────────────────────────────────────────────── */
.about-intro { padding: 5rem 0; background: var(--bg-dark); }
.about-intro__grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center;
}
.about-intro__img-wrap {
  position: relative;
}
.about-intro__glow {
  position: absolute; inset: -1rem;
  background: linear-gradient(135deg, rgba(220,20,20,0.12), rgba(239,48,48,0.06));
  border-radius: 2rem; filter: blur(2rem); z-index: 0;
}
.about-intro__img {
  position: relative; z-index: 1;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  border: 1px solid var(--border);
}
.about-intro__img img { width: 100%; aspect-ratio: 16/9; object-fit: cover; display: block; }
.about-intro__float {
  position: absolute; bottom: -1rem; right: -1rem; z-index: 2;
  background: var(--bg-card); border: 1px solid var(--border-md);
  border-radius: var(--radius-2xl); padding: 1.25rem;
  box-shadow: 0 8px 40px rgba(220,20,20,0.15);
}
.about-intro__float-num {
  font-size: 2.2rem; font-weight: 900;
  background: linear-gradient(135deg, var(--fire-500), var(--gold-500));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.about-intro__float-label { font-size: 0.75rem; color: var(--text-500); margin-top: 0.1rem; }
.about-intro__title {
  font-size: clamp(1.4rem,2.5vw,2.2rem); font-weight: 800; margin: 1rem 0 1.5rem; color: var(--text-900);
}
.about-intro__text { color: var(--text-500); line-height: 1.75; margin-bottom: 1.25rem; }
.about-intro__certifications {
  display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 2rem;
}
.cert-badge {
  display: flex; align-items: center; gap: 0.5rem;
  background: rgba(220,20,20,0.06); border: 1px solid var(--border);
  padding: 0.4rem 0.9rem; border-radius: 0.5rem;
}
.cert-badge__icon { color: var(--fire-500); font-size: 0.8rem; }
.cert-badge__text { color: var(--text-700); font-size: 0.875rem; font-weight: 500; }

/* Values grid */
.values-section { padding: 5rem 0; background: var(--bg-deep); }
.values-grid {
  display: grid; grid-template-columns: repeat(4,1fr); gap: 1.5rem;
}

/* Timeline */
.timeline-section { padding: 5rem 0; background: var(--bg-dark); }
.timeline { max-width: 56rem; margin: 3rem auto 0; }
.timeline-item {
  display: flex; gap: 2rem; align-items: flex-start;
  padding-bottom: 2.5rem; position: relative;
}
.timeline-item:not(:last-child)::before {
  content: '';
  position: absolute; left: 2.5rem; top: 3.5rem; bottom: 0;
  width: 1px; background: var(--border);
}
.timeline-item__dot {
  flex-shrink: 0;
  width: 5rem; height: 5rem;
  border-radius: var(--radius-xl);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
}
.timeline-item__year { font-size: 0.75rem; font-weight: 700; color: var(--white); }
.timeline-item__body {}
.timeline-item__title { font-size: 1rem; font-weight: 700; margin-bottom: 0.4rem; color: var(--text-900); }
.timeline-item__desc { font-size: 0.875rem; color: var(--text-500); line-height: 1.65; }

/* Advantages */
.advantages-section { padding: 5rem 0; background: var(--bg-deep); }
.advantages-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0.85rem;
  max-width: 56rem; margin: 2.5rem auto 0;
}
.advantage-item {
  display: flex; align-items: flex-start; gap: 0.75rem;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-xl); padding: 1rem 1.25rem;
}
.advantage-item__icon { color: var(--fire-500); font-size: 0.9rem; margin-top: 0.15rem; flex-shrink: 0; }
.advantage-item span { font-size: 0.85rem; color: var(--text-700); line-height: 1.5; }

/* ── Contact page ────────────────────────────────────────────── */
.contact-cards-section { padding: 0 0 2.5rem; }
.contact-cards-grid {
  display: grid; grid-template-columns: repeat(4,1fr); gap: 1.25rem;
}
.contact-info-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-2xl); padding: 1.5rem;
  transition: background var(--transition), border-color var(--transition);
}
.contact-info-card:hover { background: #fff5f5; border-color: var(--border-md); }
.contact-info-card__icon {
  width: 3rem; height: 3rem; border-radius: 0.75rem;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1rem;
}
.contact-info-card__icon svg { width: 1.5rem; height: 1.5rem; fill: none; stroke: #fff; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.contact-info-card__title {
  font-size: 0.7rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--text-900); margin-bottom: 0.5rem;
}
.contact-info-card__main { font-size: 0.875rem; color: var(--text-700); display: block; margin-bottom: 0.2rem; }
.contact-info-card__main:hover { color: var(--fire-500); }
.contact-info-card__sub { font-size: 0.75rem; color: var(--text-400); }

.contact-main-section { padding: 2.5rem 0 4rem; }
.contact-main-grid {
  display: grid; grid-template-columns: 3fr 2fr; gap: 2.5rem;
  max-width: 72rem; margin: 0 auto;
}

/* Form */
.contact-form-box {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-2xl); padding: 2rem;
}
.contact-form-header {
  display: flex; align-items: center; gap: 0.75rem; margin-bottom: 1.75rem;
}
.contact-form-header__icon {
  width: 2.5rem; height: 2.5rem;
  background: rgba(220,20,20,0.10); border: 1px solid rgba(220,20,20,0.22);
  border-radius: 0.75rem;
  display: flex; align-items: center; justify-content: center;
}
.contact-form-header__icon svg { width: 1.25rem; height: 1.25rem; fill: none; stroke: var(--fire-500); stroke-width: 2; }
.contact-form-header h2 { font-size: 1.3rem; font-weight: 700; margin-bottom: 0.15rem; color: var(--text-900); }
.contact-form-header p { font-size: 0.75rem; color: var(--text-400); }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.form-group { margin-bottom: 1.25rem; }
.form-label {
  display: block; font-size: 0.7rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-500); margin-bottom: 0.5rem;
}
.form-label span { color: var(--fire-500); }
.form-input, .form-select, .form-textarea {
  width: 100%; padding: 0.75rem 1rem;
  background: #ffffff;
  border: 1px solid var(--border-md);
  color: var(--text-900); border-radius: var(--radius-xl);
  font-size: 0.875rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--text-300); }
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: rgba(220,20,20,0.50);
  box-shadow: 0 0 0 3px rgba(220,20,20,0.10);
}
.form-select { appearance: none; }
.form-textarea { resize: none; }
.form-submit {
  width: 100%; display: flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 1rem;
  background: linear-gradient(135deg, var(--fire-400), var(--fire-600));
  color: #fff; font-size: 0.95rem; font-weight: 600;
  border: none; border-radius: var(--radius-xl); cursor: pointer;
  box-shadow: 0 0 20px rgba(220,20,20,0.22);
  transition: box-shadow var(--transition), filter var(--transition);
}
.form-submit:hover { box-shadow: 0 0 40px rgba(220,20,20,0.45); filter: brightness(1.08); }
.form-success {
  display: none; align-items: center; gap: 0.75rem;
  background: rgba(16,185,129,0.1); border: 1px solid rgba(16,185,129,0.3);
  color: #6ee7b7; padding: 1rem 1.25rem;
  border-radius: var(--radius-xl); margin-bottom: 1.5rem;
}
.form-success.show { display: flex; }
.form-success svg { width: 1.25rem; height: 1.25rem; fill: none; stroke: currentColor; stroke-width: 2; flex-shrink: 0; }

/* Sidebar */
.contact-sidebar { display: flex; flex-direction: column; gap: 1.5rem; }
.map-box {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-2xl); overflow: hidden; height: 17rem;
}
.map-box iframe { width: 100%; height: 100%; border: 0; }
.direct-contact-box {
  background: linear-gradient(135deg, rgba(255,230,230,0.7), rgba(255,245,245,0.7));
  border: 1px solid rgba(220,20,20,0.14);
  border-radius: var(--radius-2xl); padding: 1.5rem;
}
.direct-contact-box h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 1.25rem; color: var(--text-900); }
.direct-contact-link {
  display: flex; align-items: center; gap: 1rem;
  background: rgba(255,255,255,0.65); border: 1px solid var(--border);
  border-radius: var(--radius-xl); padding: 1rem;
  margin-bottom: 0.75rem; transition: background var(--transition);
}
.direct-contact-link:hover { background: rgba(255,255,255,0.90); }
.direct-contact-link__icon {
  width: 2.5rem; height: 2.5rem; border-radius: 0.75rem;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.direct-contact-link__icon svg { width: 1.25rem; height: 1.25rem; fill: none; stroke: #fff; stroke-width: 2; }
.direct-contact-link__title { font-size: 0.85rem; font-weight: 600; color: var(--text-900); }
.direct-contact-link__sub { font-size: 0.75rem; color: var(--text-400); }

.commitment-box {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-2xl); padding: 1.5rem;
}
.commitment-box h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 1rem; color: var(--text-900); }
.commitment-item {
  display: flex; align-items: center; gap: 0.75rem; margin-bottom: 0.75rem;
}
.commitment-item::before { content: '✓'; color: var(--fire-500); font-weight: 700; font-size: 0.875rem; flex-shrink: 0; }
.commitment-item span { font-size: 0.85rem; color: var(--text-500); }

/* Quick contact strip */
.quick-strip {
  padding: 3.5rem 0;
  background: linear-gradient(to right, rgba(255,230,230,0.55), rgba(255,245,245,0.55), rgba(255,230,230,0.55));
  border-top: 1px solid rgba(220,20,20,0.12);
}
.quick-strip__inner {
  display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
  flex-wrap: wrap;
}
.quick-strip__title { font-size: clamp(1rem,2.5vw,1.8rem); font-weight: 800; margin-bottom: 0.25rem; color: var(--text-900); }
.quick-strip__sub { font-size: 0.875rem; color: var(--text-500); }

/* ── Footer ─────────────────────────────────────────────────── */
.site-footer {
  background: #fff0f0;
  border-top: 1px solid rgba(220,20,20,0.15);
}
.footer-newsletter {
  background: linear-gradient(to right, rgba(255,220,220,0.55), rgba(255,235,235,0.55), rgba(255,220,220,0.55));
  border-bottom: 1px solid rgba(220,20,20,0.12);
  padding: 1.5rem 0;
}
.footer-newsletter__inner {
  display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap;
}
.footer-newsletter__title { font-size: 0.95rem; font-weight: 600; color: var(--text-900); margin-bottom: 0.2rem; }
.footer-newsletter__sub { font-size: 0.8rem; color: var(--text-700); }
.footer-newsletter__form { display: flex; }
.footer-newsletter__input {
  width: 16rem; padding: 0.6rem 1rem;
  background: rgba(255,255,255,0.65); border: 1px solid rgba(220,20,20,0.22);
  border-right: none; color: var(--text-900); border-radius: 0.5rem 0 0 0.5rem;
  font-size: 0.875rem; outline: none;
}
.footer-newsletter__input::placeholder { color: var(--text-400); }
.footer-newsletter__input:focus { border-color: rgba(220,20,20,0.50); }
.footer-newsletter__btn {
  padding: 0.6rem 1rem; background: var(--fire-500); border: none; cursor: pointer;
  border-radius: 0 0.5rem 0.5rem 0; color: #fff;
  transition: background var(--transition);
}
.footer-newsletter__btn:hover { background: var(--fire-400); }
.footer-newsletter__btn svg { width: 1rem; height: 1rem; fill: none; stroke: #fff; stroke-width: 2; }

.footer-main {
  display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.5fr; gap: 2.5rem;
  padding: 3.5rem 0;
}
.footer-brand p { font-size: 0.875rem; color: var(--text-700); line-height: 1.7; margin: 1.25rem 0; }
.footer-social { display: flex; gap: 0.75rem; }
.footer-social a {
  width: 2.25rem; height: 2.25rem;
  background: rgba(255,255,255,0.55); border: 1px solid rgba(220,20,20,0.18);
  border-radius: 0.5rem;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-700);
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}
.footer-social a:hover { background: rgba(255,255,255,0.88); border-color: rgba(220,20,20,0.38); color: var(--fire-500); }
.footer-social a svg { width: 1rem; height: 1rem; fill: none; stroke: currentColor; stroke-width: 2; }

.footer-col h4 {
  font-size: 0.7rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--text-900); margin-bottom: 1.25rem;
}
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 0.75rem; }
.footer-links a {
  font-size: 0.875rem; color: var(--text-700);
  transition: color var(--transition), padding-left var(--transition);
}
.footer-links a:hover { color: var(--fire-500); padding-left: 0.35rem; }
.footer-contact-list { list-style: none; display: flex; flex-direction: column; gap: 1rem; }
.footer-contact-item {
  display: flex; align-items: flex-start; gap: 0.75rem;
}
.footer-contact-item__icon {
  width: 2rem; height: 2rem; flex-shrink: 0;
  background: rgba(220,20,20,0.10); border: 1px solid rgba(220,20,20,0.20);
  border-radius: 0.5rem;
  display: flex; align-items: center; justify-content: center; margin-top: 0.05rem;
}
.footer-contact-item__icon svg { width: 0.9rem; height: 0.9rem; fill: none; stroke: var(--fire-500); stroke-width: 2; }
.footer-contact-item a, .footer-contact-item span { font-size: 0.85rem; color: var(--text-700); transition: color var(--transition); }
.footer-contact-item a:hover { color: var(--fire-500); }

.footer-bottom {
  border-top: 1px solid rgba(220,20,20,0.12);
  padding: 1.25rem 0;
}
.footer-bottom__inner {
  display: flex; justify-content: space-between; align-items: center; gap: 0.75rem; flex-wrap: wrap;
  font-size: 0.75rem; color: var(--text-500);
}

/* Floating Contact (WhatsApp/Phone) */
.floating-contact {
  position: fixed; bottom: 2rem; right: 2rem; z-index: 200;
  display: flex; flex-direction: column; align-items: flex-end; gap: 0.75rem;
}
.floating-btn {
  width: 3.25rem; height: 3.25rem;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
  border: none; cursor: pointer; transition: transform var(--transition), box-shadow var(--transition);
}
.floating-btn:hover { transform: scale(1.08); }
.floating-btn svg { width: 1.4rem; height: 1.4rem; fill: none; stroke: #fff; stroke-width: 2; }
.floating-btn-phone { background: linear-gradient(135deg, #10b981, #0d9488); }
.floating-btn-phone:hover { box-shadow: 0 4px 24px rgba(16,185,129,0.5); }
.floating-btn-main {
  background: linear-gradient(135deg, var(--fire-400), var(--fire-600));
  box-shadow: var(--shadow-fire);
}
.floating-btn-main:hover { box-shadow: var(--shadow-fire-lg); }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .features-grid,
  .products-grid { grid-template-columns: repeat(2,1fr); }
  .partners-grid { grid-template-columns: repeat(2,1fr); }
  .stats-grid    { grid-template-columns: repeat(2,1fr); }
  .all-products-grid { grid-template-columns: repeat(2,1fr); }
  .about-intro__grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .footer-main   { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

@media (max-width: 768px) {
  .nav-desktop, .btn-nav { display: none; }
  .hamburger { display: flex; }
  .features-grid,
  .products-grid,
  .partners-grid,
  .contact-cards-grid,
  .values-grid { grid-template-columns: 1fr; }
  .contact-main-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .advantages-grid { grid-template-columns: 1fr; }
  .all-products-grid { grid-template-columns: 1fr; }
  .topbar__left a:last-child { display: none; }
  .hero__stats { gap: 1.5rem; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: repeat(2,1fr); }
  .footer-main { grid-template-columns: 1fr; }
  .footer-newsletter__form { width: 100%; }
  .footer-newsletter__input { flex: 1; width: auto; }
  .products-header { flex-direction: column; align-items: flex-start; }
}

/* ══════════════════════════════════════════════════════════════
   PROMO PRODUCT SLIDER
══════════════════════════════════════════════════════════════ */
.promo-slider {
  padding: 6rem 0;
  background: var(--bg-dark);
  overflow: hidden;
}

/* Overflow wrapper keeps arrows inside */
.promo-slider__wrapper {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-2xl);
  box-shadow: 0 8px 48px rgba(220,20,20,0.12);
}

/* Sliding track */
.promo-slider__track {
  display: flex;
  transition: transform 0.55s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform;
}

/* ── Single slide ─────────────────────────────────────────── */
.promo-slide {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-2xl);
  overflow: hidden;
}

/* Image column */
.promo-slide__img-col {
  position: relative;
  overflow: hidden;
  min-height: 420px;
}
.promo-slide__img-col img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s ease;
}
.promo-slider__wrapper:hover .promo-slide__img-col img {
  transform: scale(1.04);
}
.promo-slide__grade {
  position: absolute;
  top: 1.25rem;
  left: 1.25rem;
  background: var(--fire-500);
  color: #fff;
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  padding: 0.35rem 0.9rem;
  border-radius: 0.5rem;
  box-shadow: 0 4px 16px rgba(220,20,20,0.4);
  z-index: 2;
}

/* Info column */
.promo-slide__info-col {
  padding: 3rem 3rem 3rem 3.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1rem;
}

.promo-slide__eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.3rem 0.75rem;
  border-radius: 2rem;
  width: fit-content;
  background: rgba(220,20,20,0.1);
  color: var(--fire-500);
  border: 1px solid rgba(220,20,20,0.2);
}
.promo-slide__eyebrow--violet  { background: rgba(99,60,180,0.1);  color: #6c3ccc; border-color: rgba(99,60,180,0.2); }
.promo-slide__eyebrow--amber   { background: rgba(245,158,11,0.1); color: #b45309; border-color: rgba(245,158,11,0.2); }
.promo-slide__eyebrow--emerald { background: rgba(16,185,129,0.1); color: #047857; border-color: rgba(16,185,129,0.2); }

.promo-slide__title {
  font-size: clamp(1.6rem, 2.8vw, 2.2rem);
  font-weight: 800;
  color: var(--text-900);
  line-height: 1.1;
}

.promo-slide__desc {
  font-size: 0.9rem;
  color: var(--text-500);
  line-height: 1.75;
}

.promo-slide__specs {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.promo-slide__specs li {
  font-size: 0.85rem;
  color: var(--text-700);
  padding-left: 1rem;
  position: relative;
}
.promo-slide__specs li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--fire-500);
  font-weight: 700;
}

.promo-slide__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.5rem;
  align-self: flex-start;
  background: var(--fire-500);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 700;
  padding: 0.7rem 1.5rem;
  border-radius: 0.6rem;
  text-decoration: none;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 16px rgba(220,20,20,0.3);
}
.promo-slide__cta:hover {
  background: var(--fire-600);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(220,20,20,0.4);
}

/* ── Arrows ─────────────────────────────────────────────────── */
.promo-slider__btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  border: 1.5px solid var(--border-md);
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(8px);
  color: var(--text-900);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition), transform 0.2s;
  box-shadow: 0 2px 12px rgba(0,0,0,0.1);
}
.promo-slider__btn:hover {
  background: var(--fire-500);
  color: #fff;
  border-color: var(--fire-500);
  box-shadow: 0 4px 20px rgba(220,20,20,0.35);
  transform: translateY(-50%) scale(1.08);
}
.promo-slider__btn--prev { left: 1rem; }
.promo-slider__btn--next { right: 1rem; }

/* ── Dots ────────────────────────────────────────────────────── */
.promo-slider__dots {
  position: absolute;
  bottom: 1.25rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.5rem;
  z-index: 10;
}
.promo-slider__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: none;
  background: rgba(220,20,20,0.25);
  cursor: pointer;
  padding: 0;
  transition: background var(--transition), transform var(--transition), width var(--transition);
}
.promo-slider__dot.active {
  background: var(--fire-500);
  width: 24px;
  border-radius: 4px;
}

/* ── Progress bar ────────────────────────────────────────────── */
.promo-slider__progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  background: var(--fire-500);
  border-radius: 0 2px 2px 0;
  transition: width 0.1s linear;
  z-index: 10;
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 900px) {
  .promo-slide { grid-template-columns: 1fr; }
  .promo-slide__img-col { min-height: 260px; }
  .promo-slide__info-col { padding: 2rem 1.75rem; }
  .promo-slider__btn--prev { left: 0.5rem; }
  .promo-slider__btn--next { right: 0.5rem; }
}
@media (max-width: 640px) {
  .promo-slider { padding: 4rem 0; }
  .promo-slide__img-col { min-height: 200px; }
  .promo-slide__info-col { padding: 1.5rem 1.25rem; gap: 0.75rem; }
  .promo-slide__title { font-size: 1.4rem; }
}