/* =============================================
   INTERCELL JTI — style.css
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* ── Tokens ──────────────────────────────────── */
:root {
  --blue:    #1d4ed8;
  --blue-dk: #1e3a8a;
  --blue-lt: #3b82f6;
  --orange:  #ea580c;
  --wa:      #25d366;
  --wa-dk:   #128c7e;
  --text:    #0f172a;
  --muted:   #64748b;
  --border:  #e2e8f0;
  --bg:      #ffffff;
  --bg-soft: #f8fafc;
  --dark:    #0c1628;
  --radius:  10px;
  --radius-lg: 20px;
  --t:       .25s ease;
  --header-h: 68px;
}

/* ── Reset ───────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; font-family: inherit; }
ul { list-style: none; }

/* ── Header ──────────────────────────────────── */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(12,22,40,.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,.06);
  transition: box-shadow var(--t);
}
#header.scrolled { box-shadow: 0 4px 24px rgba(0,0,0,.35); }

.header-inner {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.logo-img {
  height: 42px;
  width: auto;
  object-fit: contain;
}
.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-name { font-size: .95rem; font-weight: 700; color: #fff; letter-spacing: .3px; }
.logo-sub  { font-size: .65rem; color: rgba(255,255,255,.5); font-weight: 500; letter-spacing: .5px; text-transform: uppercase; }

#nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}
#nav a {
  color: rgba(255,255,255,.75);
  font-size: .88rem;
  font-weight: 500;
  padding: 6px 13px;
  border-radius: 7px;
  transition: color var(--t), background var(--t);
}
#nav a:hover, #nav a.active {
  color: #fff;
  background: rgba(255,255,255,.09);
}
.nav-cta {
  background: var(--wa) !important;
  color: #fff !important;
  padding: 7px 15px !important;
  border-radius: 8px !important;
  font-weight: 600 !important;
  margin-left: 6px;
}
.nav-cta:hover { background: var(--wa-dk) !important; }

#hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 6px;
  margin-left: auto;
}
#hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform .3s, opacity .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); }

/* ── Hero — Home ─────────────────────────────── */
.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  background: var(--dark);
  padding-top: var(--header-h);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}
.hero-glow {
  position: absolute;
  top: -120px; left: -120px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(29,78,216,.18) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 80px 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-content { position: relative; z-index: 1; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(29,78,216,.15);
  border: 1px solid rgba(59,130,246,.3);
  color: #93c5fd;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .8px;
  text-transform: uppercase;
  padding: 5px 13px;
  border-radius: 99px;
  margin-bottom: 24px;
}
.hero-badge-dot {
  width: 6px; height: 6px;
  background: #3b82f6;
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: .5; transform: scale(.7); }
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.15;
  margin-bottom: 20px;
}
.hero h1 em {
  font-style: normal;
  color: var(--blue-lt);
}
.hero-desc {
  color: rgba(255,255,255,.62);
  font-size: 1.05rem;
  margin-bottom: 36px;
  max-width: 460px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 48px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--wa);
  color: #fff;
  font-weight: 700;
  font-size: .95rem;
  padding: 13px 26px;
  border-radius: 10px;
  transition: background var(--t), transform var(--t), box-shadow var(--t);
  box-shadow: 0 4px 20px rgba(37,211,102,.25);
}
.btn-primary:hover {
  background: var(--wa-dk);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(37,211,102,.35);
}
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.08);
  color: #fff;
  font-weight: 600;
  font-size: .95rem;
  padding: 13px 24px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,.12);
  transition: background var(--t), border-color var(--t);
}
.btn-secondary:hover { background: rgba(255,255,255,.14); border-color: rgba(255,255,255,.2); }

.hero-stats {
  display: flex;
  gap: 32px;
}
.hero-stat { color: #fff; }
.hero-stat strong { display: block; font-size: 1.5rem; font-weight: 800; color: var(--blue-lt); }
.hero-stat span   { font-size: .78rem; color: rgba(255,255,255,.5); font-weight: 500; }

/* Hero visual — 2x2 product grid */
.hero-visual { position: relative; z-index: 1; }
.hero-products-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.hero-product-card {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--t), border-color var(--t);
}
.hero-product-card:hover { transform: translateY(-4px); border-color: rgba(59,130,246,.3); }
.hero-product-card:nth-child(2) { margin-top: 24px; }
.hero-product-card:nth-child(4) { margin-top: -24px; }
.hero-product-card img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}
.hero-product-label {
  padding: 10px 12px;
  font-size: .72rem;
  font-weight: 600;
  color: rgba(255,255,255,.7);
  border-top: 1px solid rgba(255,255,255,.06);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ── Page Hero — inner pages ─────────────────── */
.page-hero {
  padding: calc(var(--header-h) + 56px) 24px 56px;
  background: var(--dark);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}
.page-hero-inner {
  max-width: 1280px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  font-size: .82rem;
  color: rgba(255,255,255,.45);
}
.breadcrumb a { color: rgba(255,255,255,.5); transition: color var(--t); }
.breadcrumb a:hover { color: rgba(255,255,255,.9); }
.breadcrumb-sep { color: rgba(255,255,255,.25); }
.breadcrumb-current { color: rgba(255,255,255,.85); }
.page-hero h1 {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
}
.page-hero h1 em { font-style: normal; color: var(--blue-lt); }
.page-hero-desc { color: rgba(255,255,255,.55); font-size: 1rem; max-width: 560px; }

/* ── Section helpers ─────────────────────────── */
.section { padding: 88px 24px; }
.section-alt  { background: var(--bg-soft); }
.section-dark { background: var(--dark); }
.container { max-width: 1280px; margin: 0 auto; }

.section-label {
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 10px;
}
.section-title {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 800;
  color: var(--text);
  margin-bottom: 12px;
  line-height: 1.2;
}
.section-title-light { color: #fff; }
.section-sub { color: var(--muted); font-size: 1rem; max-width: 520px; }

/* ── Category Cards ──────────────────────────── */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 48px;
}
.category-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--dark);
  display: flex;
  flex-direction: column;
  text-decoration: none;
  transition: transform var(--t), box-shadow var(--t);
  min-height: 220px;
}
.category-card:hover { transform: translateY(-5px); box-shadow: 0 20px 50px rgba(0,0,0,.2); }
.category-card-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 32px 32px;
}
.category-card-accent {
  position: absolute;
  bottom: -40px; right: -40px;
  width: 200px; height: 200px;
  border-radius: 50%;
  opacity: .12;
}
.cat-blue .category-card-accent  { background: var(--blue-lt); }
.cat-green .category-card-accent { background: var(--wa); }
.category-card-content {
  position: relative;
  z-index: 1;
  padding: 32px;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.category-icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  margin-bottom: 20px;
}
.cat-blue .category-icon  { background: rgba(29,78,216,.2); }
.cat-green .category-icon { background: rgba(37,211,102,.15); }
.category-icon svg { width: 26px; height: 26px; }
.cat-blue .category-icon svg  { color: var(--blue-lt); }
.cat-green .category-icon svg { color: var(--wa); }
.category-card-content h3 { font-size: 1.3rem; font-weight: 700; color: #fff; margin-bottom: 8px; }
.category-card-content p  { font-size: .875rem; color: rgba(255,255,255,.5); margin-bottom: 24px; }
.category-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .85rem;
  font-weight: 600;
  color: rgba(255,255,255,.7);
  border: 1px solid rgba(255,255,255,.12);
  padding: 8px 16px;
  border-radius: 8px;
  align-self: flex-start;
  transition: color var(--t), border-color var(--t), background var(--t);
}
.category-card:hover .category-link {
  color: #fff;
  border-color: rgba(255,255,255,.25);
  background: rgba(255,255,255,.06);
}

/* ── Tab Filter ──────────────────────────────── */
.tabs-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.tab {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 18px;
  border-radius: 9px;
  border: 1.5px solid var(--border);
  background: #fff;
  color: var(--muted);
  font-size: .85rem;
  font-weight: 600;
  transition: all var(--t);
}
.tab:hover { border-color: var(--blue); color: var(--blue); background: rgba(29,78,216,.04); }
.tab.active { background: var(--blue); color: #fff; border-color: var(--blue); }
.tab-count {
  background: rgba(255,255,255,.2);
  border-radius: 99px;
  padding: 1px 7px;
  font-size: .72rem;
  font-weight: 700;
}
.tab:not(.active) .tab-count { background: var(--bg-soft); color: var(--muted); }

/* ── Product Grid ────────────────────────────── */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 20px;
}

.card {
  background: #fff;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  opacity: 0;
  transform: translateY(22px);
  transition: transform var(--t), box-shadow var(--t), border-color var(--t);
}
.card.visible {
  opacity: 1;
  transform: none;
  transition: opacity .4s ease, transform .4s ease, box-shadow var(--t), border-color var(--t);
}
.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 16px 40px rgba(0,0,0,.1);
  border-color: var(--blue-lt);
}

.card-img-wrap {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--bg-soft);
}
.card-img-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.card:hover .card-img-wrap img { transform: scale(1.05); }
.card-badge {
  position: absolute;
  top: 10px; left: 10px;
  background: var(--blue);
  color: #fff;
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .5px;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 6px;
}

.card-body {
  padding: 16px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.card-model {
  font-family: 'Courier New', monospace;
  font-size: .68rem;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: .5px;
  background: var(--bg-soft);
  padding: 2px 7px;
  border-radius: 5px;
  align-self: flex-start;
}
.card-title { font-size: .93rem; font-weight: 700; color: var(--text); line-height: 1.35; }
.card-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 2px;
}
.spec-tag {
  font-size: .68rem;
  font-weight: 600;
  color: var(--muted);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  padding: 2px 8px;
  border-radius: 5px;
  white-space: nowrap;
}
.card-price {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--orange);
  margin-top: auto;
}
.card-price-sub { font-size: .72rem; font-weight: 500; color: var(--muted); }
.card-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  background: var(--wa);
  color: #fff;
  font-size: .82rem;
  font-weight: 700;
  padding: 10px;
  margin: 0 16px 16px;
  border-radius: 9px;
  transition: background var(--t);
}
.card-btn:hover { background: var(--wa-dk); }
.card-btn svg { width: 16px; height: 16px; flex-shrink: 0; }

/* ── Featured section ────────────────────────── */
.featured-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
  margin-top: 40px;
}
.featured-see-all { text-align: center; margin-top: 40px; }
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 2px solid var(--blue);
  color: var(--blue);
  font-weight: 700;
  font-size: .9rem;
  padding: 11px 26px;
  border-radius: 10px;
  transition: background var(--t), color var(--t);
}
.btn-outline:hover { background: var(--blue); color: #fff; }
.btn-outline-dark { border-color: rgba(255,255,255,.25); color: #fff; }
.btn-outline-dark:hover { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.4); }

/* ── Benefits ────────────────────────────────── */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  margin-top: 48px;
}
.benefit-card {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.07);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
}
.benefit-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: rgba(29,78,216,.2);
  display: grid;
  place-items: center;
  margin-bottom: 16px;
}
.benefit-icon svg { width: 24px; height: 24px; color: var(--blue-lt); }
.benefit-card h3 { font-size: 1rem; font-weight: 700; color: #fff; margin-bottom: 8px; }
.benefit-card p  { font-size: .85rem; color: rgba(255,255,255,.5); line-height: 1.6; }

/* ── About ───────────────────────────────────── */
.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.about-img { border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 4 / 3; }
.about-img img { width: 100%; height: 100%; object-fit: cover; }
.about-placeholder {
  width: 100%; height: 100%;
  background: linear-gradient(135deg, var(--dark) 0%, #162032 100%);
  display: grid;
  place-items: center;
  min-height: 300px;
  border-radius: var(--radius-lg);
}
.about-placeholder-icon svg { width: 80px; height: 80px; color: rgba(29,78,216,.4); }
.about-text { color: var(--muted); font-size: .95rem; line-height: 1.75; margin-bottom: 12px; }
.about-highlights { display: flex; flex-direction: column; gap: 10px; margin-top: 28px; }
.about-highlight {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .88rem;
  color: var(--text);
  font-weight: 500;
}
.about-highlight::before {
  content: '';
  width: 18px; height: 18px;
  background: rgba(29,78,216,.1);
  border: 1.5px solid var(--blue);
  border-radius: 50%;
  flex-shrink: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231d4ed8' stroke-width='2.5'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-size: 11px;
  background-repeat: no-repeat;
  background-position: center;
}

/* ── Contact ─────────────────────────────────── */
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}
.contact-info { display: flex; flex-direction: column; gap: 16px; }
.contact-card {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 20px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color var(--t), box-shadow var(--t);
  text-decoration: none;
}
.contact-card:hover { border-color: var(--blue-lt); box-shadow: 0 6px 20px rgba(29,78,216,.08); }
.contact-icon {
  width: 44px; height: 44px;
  border-radius: 11px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.contact-icon.wa  { background: rgba(37,211,102,.12); }
.contact-icon.ig  { background: rgba(225,48,108,.1); }
.contact-icon.loc { background: rgba(29,78,216,.1); }
.contact-icon svg { width: 22px; height: 22px; }
.contact-icon.wa  svg { color: var(--wa-dk); }
.contact-icon.ig  svg { color: #e1306c; }
.contact-icon.loc svg { color: var(--blue); }
.contact-card-text strong { display: block; font-size: .88rem; font-weight: 700; color: var(--text); margin-bottom: 2px; }
.contact-card-text span   { font-size: .82rem; color: var(--muted); }
.contact-cta-box {
  background: var(--dark);
  border-radius: var(--radius-lg);
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.contact-cta-box h3 { font-size: 1.3rem; font-weight: 700; color: #fff; }
.contact-cta-box p  { color: rgba(255,255,255,.55); font-size: .9rem; line-height: 1.65; }
.btn-wa-lg {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--wa);
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  padding: 15px 28px;
  border-radius: 12px;
  transition: background var(--t), transform var(--t), box-shadow var(--t);
  box-shadow: 0 4px 20px rgba(37,211,102,.25);
}
.btn-wa-lg:hover { background: var(--wa-dk); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(37,211,102,.35); }
.btn-wa-lg svg { width: 22px; height: 22px; }

/* ── Footer ──────────────────────────────────── */
footer {
  background: var(--dark);
  border-top: 1px solid rgba(255,255,255,.06);
  padding: 48px 24px 28px;
}
.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand p { color: rgba(255,255,255,.45); font-size: .85rem; margin-top: 14px; max-width: 280px; line-height: 1.7; }
footer h4 { font-size: .88rem; font-weight: 700; color: rgba(255,255,255,.7); margin-bottom: 14px; text-transform: uppercase; letter-spacing: .5px; }
.footer-links { display: flex; flex-direction: column; gap: 8px; }
.footer-links a { font-size: .85rem; color: rgba(255,255,255,.45); transition: color var(--t); }
.footer-links a:hover { color: rgba(255,255,255,.85); }
.footer-bottom {
  max-width: 1280px;
  margin: 0 auto;
  border-top: 1px solid rgba(255,255,255,.06);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-bottom p { font-size: .8rem; color: rgba(255,255,255,.3); }

/* ── WhatsApp Float ──────────────────────────── */
.wa-float {
  position: fixed;
  bottom: 24px; right: 24px;
  z-index: 900;
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--wa);
  color: #fff;
  font-weight: 700;
  font-size: .85rem;
  padding: 12px 18px 12px 14px;
  border-radius: 99px;
  box-shadow: 0 6px 28px rgba(37,211,102,.4);
  transition: background var(--t), transform var(--t), box-shadow var(--t);
}
.wa-float:hover { background: var(--wa-dk); transform: translateY(-3px); box-shadow: 0 10px 36px rgba(37,211,102,.5); }
.wa-float svg { width: 22px; height: 22px; flex-shrink: 0; }
.wa-float-text { white-space: nowrap; }

/* ── Back to top ─────────────────────────────── */
#back-top {
  position: fixed;
  bottom: 84px; right: 24px;
  z-index: 900;
  width: 40px; height: 40px;
  background: rgba(29,78,216,.9);
  color: #fff;
  border: none;
  border-radius: 10px;
  display: grid;
  place-items: center;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity var(--t), transform var(--t), background var(--t);
  pointer-events: none;
}
#back-top.show { opacity: 1; transform: none; pointer-events: auto; }
#back-top:hover { background: var(--blue-dk); }
#back-top svg { width: 18px; height: 18px; }

/* ── Responsive ──────────────────────────────── */
@media (max-width: 1024px) {
  .hero-inner    { gap: 40px; }
  .about-inner   { gap: 40px; }
  .contact-inner { gap: 36px; }
  .footer-inner  { grid-template-columns: 1fr 1fr; }
  .footer-inner > :first-child { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  :root { --header-h: 60px; }

  #nav {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(12,22,40,.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 80px 24px 40px;
    transform: translateX(100%);
    transition: transform .35s cubic-bezier(.4,0,.2,1);
    margin-left: 0;
    z-index: 999;
  }
  #nav.open { transform: translateX(0); }
  #nav a {
    font-size: 1.15rem;
    font-weight: 600;
    padding: 12px 28px;
    color: rgba(255,255,255,.75);
    width: 100%;
    text-align: center;
    border-radius: 10px;
  }
  #nav a:hover, #nav a.active { color: #fff; background: rgba(255,255,255,.08); }
  .nav-cta { background: var(--wa) !important; margin-left: 0 !important; }

  #hamburger { display: flex; z-index: 1001; position: relative; }

  .hero-inner {
    grid-template-columns: 1fr;
    padding: 56px 0 48px;
    gap: 40px;
    text-align: center;
  }
  .hero-actions { justify-content: center; }
  .hero-stats   { justify-content: center; }
  .hero-desc    { max-width: 100%; }
  .hero-products-grid { grid-template-columns: repeat(4, 1fr); }
  .hero-product-card:nth-child(2),
  .hero-product-card:nth-child(4) { margin-top: 0; }
  .hero-product-label { display: none; }

  .about-inner   { grid-template-columns: 1fr; gap: 32px; }
  .contact-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-inner  { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { justify-content: center; text-align: center; }

  .section      { padding: 60px 20px; }
  .page-hero    { padding: calc(var(--header-h) + 36px) 20px 36px; }

  .products-grid { grid-template-columns: repeat(auto-fill, minmax(165px, 1fr)); gap: 14px; }
  .featured-grid { grid-template-columns: repeat(auto-fill, minmax(165px, 1fr)); gap: 14px; }

  .wa-float-text { display: none; }
  .wa-float { padding: 12px; }
}

@media (max-width: 480px) {
  .products-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .featured-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .card-body { padding: 12px; }
  .card-btn  { margin: 0 12px 12px; }
  .hero-products-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-product-card:nth-child(3),
  .hero-product-card:nth-child(4) { display: none; }
  .tabs-wrapper { gap: 6px; }
  .tab { padding: 7px 13px; font-size: .8rem; }
}

@media (max-width: 360px) {
  .products-grid { grid-template-columns: 1fr; }
  .featured-grid { grid-template-columns: 1fr; }
}

/* ── Page fade-in ────────────────────────────── */
@keyframes fade-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
body { animation: fade-in .35s ease both; }