/* ============================================================
   PVANXT — Global Design System
   Neon-Dark / Glassmorphism / Cyberpunk Minimalism
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800;900&display=swap');

/* ── CSS Variables ── */
:root {
  --bg: #0b1326;
  --bg-dim: #060d20;
  --surface: #131b2e;
  --surface-high: #1a2238;
  --surface-higher: #222a3e;
  --surface-card: rgba(15, 22, 40, 0.7);
  --on-surface: #dbe2fd;
  --on-surface-muted: #bcc9cd;
  --outline: #869397;
  --outline-subtle: rgba(255,255,255,0.06);

  --cyan: #06b6d4;
  --cyan-glow: rgba(6, 182, 212, 0.35);
  --cyan-subtle: rgba(6, 182, 212, 0.12);
  --purple: #a855f7;
  --purple-glow: rgba(168, 85, 247, 0.35);
  --purple-subtle: rgba(168, 85, 247, 0.12);
  --pink: #ec4899;
  --pink-glow: rgba(236, 72, 153, 0.35);
  --pink-subtle: rgba(236, 72, 153, 0.12);

  --gradient: linear-gradient(135deg, #06b6d4 0%, #a855f7 50%, #ec4899 100%);
  --gradient-r: linear-gradient(135deg, #ec4899 0%, #a855f7 50%, #06b6d4 100%);

  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --nav-h: 72px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  background: var(--bg);
  color: var(--on-surface);
  overflow-x: hidden;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
input, textarea, select { font-family: inherit; }
img, svg { display: block; max-width: 100%; }
ul { list-style: none; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-dim); }
::-webkit-scrollbar-thumb { background: var(--surface-higher); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--cyan); }

/* ── Typography ── */
h1, h2, h3, h4, h5 { font-weight: 800; line-height: 1.2; letter-spacing: -0.02em; }
.text-xs  { font-size: 11px; line-height: 1.4; }
.text-sm  { font-size: 13px; line-height: 1.5; }
.text-base{ font-size: 15px; line-height: 1.6; }
.text-lg  { font-size: 18px; line-height: 1.6; }
.text-xl  { font-size: 22px; line-height: 1.4; }
.text-2xl { font-size: 28px; line-height: 1.3; }
.text-3xl { font-size: 36px; line-height: 1.2; }
.text-4xl { font-size: 48px; line-height: 1.15; }
.text-5xl { font-size: 60px; line-height: 1.1; }

.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.muted { color: var(--on-surface-muted); }

/* ── Layout ── */
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; }
.section-sm { padding: 60px 0; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-1 { gap: 4px; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.gap-6 { gap: 24px; }
.gap-8 { gap: 32px; }
.gap-12 { gap: 48px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.w-full { width: 100%; }
.text-center { text-align: center; }
.relative { position: relative; }
.overflow-hidden { overflow: hidden; }

/* ── Glass Panels ── */
.glass {
  background: var(--surface-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(6, 182, 212, 0.12);
}
.glass-purple {
  background: rgba(168, 85, 247, 0.08);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(168, 85, 247, 0.18);
}
.glass-pink {
  background: rgba(236, 72, 153, 0.08);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(236, 72, 153, 0.18);
}

/* ── Background Utils ── */
.bg-grid {
  background-image:
    linear-gradient(to right, rgba(6,182,212,0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(168,85,247,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
}
.bg-radial-purple {
  background: radial-gradient(ellipse at 20% 0%, rgba(168,85,247,0.12) 0%, transparent 60%);
}
.bg-radial-cyan {
  background: radial-gradient(ellipse at 80% 100%, rgba(6,182,212,0.10) 0%, transparent 60%);
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 0 20px rgba(168,85,247,0.4);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 35px rgba(6,182,212,0.6);
}
.btn-outline {
  background: transparent;
  border: 1px solid rgba(6,182,212,0.4);
  color: var(--cyan);
}
.btn-outline:hover {
  background: var(--cyan-subtle);
  border-color: var(--cyan);
  transform: translateY(-2px);
}
.btn-outline-purple {
  background: transparent;
  border: 1px solid rgba(168,85,247,0.4);
  color: var(--purple);
}
.btn-outline-purple:hover {
  background: var(--purple-subtle);
  border-color: var(--purple);
  transform: translateY(-2px);
}
.btn-tg {
  background: linear-gradient(135deg, #229ED9, #1a7fb5);
  color: #fff;
  box-shadow: 0 0 20px rgba(34,158,217,0.35);
}
.btn-tg:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 35px rgba(34,158,217,0.55);
}
.btn-wa {
  background: linear-gradient(135deg, #25D366, #1da553);
  color: #fff;
  box-shadow: 0 0 20px rgba(37,211,102,0.35);
}
.btn-wa:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 35px rgba(37,211,102,0.55);
}
.btn-sm { padding: 8px 18px; font-size: 10px; }
.btn-lg { padding: 16px 36px; font-size: 12px; }
.btn-icon { padding: 10px; border-radius: var(--radius); }

/* ── Cards ── */
.card {
  background: var(--surface-card);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(6,182,212,0.12);
  border-radius: var(--radius-lg);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.card:hover {
  transform: translateY(-4px);
  border-color: rgba(6,182,212,0.5);
  box-shadow: 0 20px 50px rgba(6,182,212,0.15);
}
.card-purple:hover {
  border-color: rgba(168,85,247,0.5);
  box-shadow: 0 20px 50px rgba(168,85,247,0.15);
}
.card-pink:hover {
  border-color: rgba(236,72,153,0.5);
  box-shadow: 0 20px 50px rgba(236,72,153,0.15);
}
.card-glow-line {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: var(--gradient);
  opacity: 0;
  transition: opacity 0.4s;
}
.card:hover .card-glow-line { opacity: 1; }

/* ── Badges ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.badge-live {
  background: var(--cyan-subtle);
  border: 1px solid rgba(6,182,212,0.3);
  color: var(--cyan);
}
.badge-live::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  animation: pulse-dot 1.5s infinite;
}
.badge-purple {
  background: var(--purple-subtle);
  border: 1px solid rgba(168,85,247,0.3);
  color: var(--purple);
}
.badge-purple::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--purple);
  animation: pulse-dot 1.5s infinite;
}
.badge-stock {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--on-surface-muted);
}
.badge-hot {
  background: var(--pink-subtle);
  border: 1px solid rgba(236,72,153,0.3);
  color: var(--pink);
}

/* ── Inputs ── */
.input-field {
  width: 100%;
  background: var(--bg-dim);
  border: 1px solid rgba(6,182,212,0.2);
  border-radius: var(--radius);
  padding: 12px 16px;
  color: var(--on-surface);
  font-size: 14px;
  transition: var(--transition);
  outline: none;
}
.input-field:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 12px rgba(6,182,212,0.2);
}
.input-field::placeholder { color: rgba(188,201,205,0.4); }
select.input-field {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2306b6d4' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}
.input-label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--on-surface-muted);
  margin-bottom: 6px;
}
.input-group { display: flex; flex-direction: column; gap: 6px; }

/* ── Quantity Control ── */
.qty-control {
  display: flex;
  align-items: stretch;
  gap: 0;
  border: 1px solid rgba(6,182,212,0.3);
  border-radius: var(--radius);
  overflow: hidden;
  width: 100%;
}
.qty-btn {
  width: 44px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(6,182,212,0.1);
  color: var(--cyan);
  font-size: 18px;
  font-weight: 700;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  flex-shrink: 0;
}
.qty-btn:hover { background: rgba(6,182,212,0.25); }
.qty-input {
  flex: 1;
  min-width: 50px;
  height: 40px;
  text-align: center;
  background: var(--bg-dim);
  border: none;
  border-left: 1px solid rgba(6,182,212,0.2);
  border-right: 1px solid rgba(6,182,212,0.2);
  color: var(--on-surface);
  font-size: 16px;
  font-weight: 700;
  padding: 0 8px;
  outline: none;
}

/* ── Check Items ── */
.check-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--on-surface-muted);
}
.check-item .check-icon {
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--cyan-subtle);
  border: 1px solid rgba(6,182,212,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 11px;
  color: var(--cyan);
}

/* ── Divider ── */
.divider {
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(6,182,212,0.3), transparent);
}

/* ── Animations ── */
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}
@keyframes pulse-glow {
  0% { box-shadow: 0 0 5px var(--cyan-glow); }
  100% { box-shadow: 0 0 20px var(--cyan-glow), 0 0 40px rgba(6,182,212,0.15); }
}
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
}
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes spin { to { transform: rotate(360deg); } }

.animate-float { animation: float 4s ease-in-out infinite; }
.animate-pulse-glow { animation: pulse-glow 2s ease-in-out infinite alternate; }
.animate-fade-up { animation: fadeInUp 0.6s ease-out both; }
.animate-spin { animation: spin 1s linear infinite; }

/* ── Gradient Border ── */
.gradient-border {
  position: relative;
  border-radius: var(--radius-lg);
}
.gradient-border::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: var(--gradient);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

/* ── NAV ── */
#main-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 1000;
  background: rgba(11, 19, 38, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(6,182,212,0.12);
  transition: var(--transition);
}
#main-nav.scrolled {
  background: rgba(6, 13, 32, 0.95);
  border-bottom-color: rgba(6,182,212,0.25);
  box-shadow: 0 4px 30px rgba(0,0,0,0.5);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}
.nav-logo { display: flex; align-items: center; }
.nav-logo svg { width: 180px; height: auto; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-link {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--on-surface-muted);
  transition: var(--transition);
  position: relative;
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--gradient);
  transition: width 0.3s ease;
}
.nav-link:hover { color: var(--on-surface); }
.nav-link:hover::after { width: 100%; }
.nav-link.active { color: var(--cyan); }
.nav-drop-arrow { transition: transform 0.25s ease; flex-shrink: 0; opacity: 0.6; }
.nav-actions { display: flex; align-items: center; gap: 12px; }

/* ── Catalog Mega Dropdown ── */
.nav-drop-wrap {
  position: static;
}
/* JS controls show/hide via .open class */
.nav-dropdown.open {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  pointer-events: all;
}
.nav-drop-wrap.open .nav-drop-arrow {
  transform: rotate(180deg);
}
.nav-dropdown {
  position: fixed;
  top: var(--nav-h);
  left: 50%;
  transform: translateX(-50%) translateY(-10px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s;
  z-index: 2000;
  width: 720px;
  max-width: calc(100vw - 32px);
  padding-top: 8px;
}
/* Bridge gap so hover doesn't break when moving mouse down */
.nav-dropdown::before {
  content: '';
  position: absolute;
  top: -20px; left: -20px; right: -20px;
  height: 40px;
  z-index: -1;
}
.nav-drop-inner {
  background: rgba(11,19,38,0.97);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(6,182,212,0.2);
  border-radius: 18px;
  box-shadow: 0 24px 60px rgba(0,0,0,0.6), 0 0 0 1px rgba(6,182,212,0.05);
  overflow: hidden;
}
.nav-drop-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  padding: 8px;
}
.nav-drop-col {
  padding: 16px 12px;
  border-right: 1px solid rgba(6,182,212,0.08);
}
.nav-drop-col:last-child { border-right: none; }
.nav-drop-group-label {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 10px;
  padding: 0 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-drop-dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  flex-shrink: 0;
}
.nav-drop-row {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 7px 8px;
  border-radius: 8px;
  transition: all 0.15s;
  cursor: pointer;
  text-decoration: none;
  border: 1px solid transparent;
}
.nav-drop-row:hover {
  background: rgba(6,182,212,0.07);
  border-color: rgba(6,182,212,0.15);
}
.nav-drop-icon {
  width: 28px; height: 28px;
  border-radius: 7px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.07);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
}
.nav-drop-icon img, .nav-drop-icon svg { width: 16px; height: 16px; }
.nav-drop-name {
  font-size: 12px;
  font-weight: 600;
  color: var(--on-surface);
  white-space: nowrap;
}
.nav-drop-footer {
  padding: 12px 20px;
  border-top: 1px solid rgba(6,182,212,0.1);
  background: rgba(6,182,212,0.03);
}
.nav-drop-view-all {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan);
  transition: gap 0.2s;
}
.nav-drop-view-all:hover { gap: 10px; }

/* ── Hamburger ── */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--on-surface);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ── Mobile Menu ── */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-h); left: 0; right: 0;
  background: rgba(6,13,32,0.98);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(6,182,212,0.15);
  padding: 20px 24px 28px;
  flex-direction: column;
  gap: 4px;
  z-index: 999;
  max-height: calc(100vh - var(--nav-h));
  overflow-y: auto;
}
.mobile-menu.open { display: flex; }
.mobile-menu > .nav-link {
  font-size: 13px;
  padding: 11px 0;
  border-bottom: 1px solid var(--outline-subtle);
  color: var(--on-surface-muted);
}
.mobile-catalog-section {
  border-bottom: 1px solid var(--outline-subtle);
  padding-bottom: 12px;
  margin-bottom: 4px;
}
.mobile-section-title {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--on-surface-muted);
  padding: 12px 0 8px;
}
.mobile-group-label {
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 10px 4px 4px;
  opacity: 0.85;
}
.mobile-cat-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 4px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--on-surface);
  transition: all 0.15s;
}
.mobile-cat-row:hover { background: rgba(6,182,212,0.07); color: var(--cyan); }
.mobile-cat-icon {
  width: 26px; height: 26px;
  border-radius: 6px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.07);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
}
.mobile-cat-icon img, .mobile-cat-icon svg { width: 15px; height: 15px; }
.mobile-view-all {
  display: inline-block;
  margin-top: 10px;
  margin-left: 4px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan);
}


/* ── FOOTER ── */
#main-footer {
  background: var(--bg-dim);
  border-top: 1px solid rgba(6,182,212,0.12);
  padding: 60px 0 40px;
}
.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand p {
  font-size: 13px;
  color: var(--on-surface-muted);
  margin-top: 16px;
  max-width: 240px;
  line-height: 1.7;
}
.footer-col h4 {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--on-surface-muted);
  margin-bottom: 16px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a {
  font-size: 13px;
  color: rgba(188,201,205,0.7);
  transition: var(--transition);
}
.footer-col a:hover { color: var(--cyan); }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 32px;
  border-top: 1px solid var(--outline-subtle);
  font-size: 12px;
  color: rgba(188,201,205,0.4);
}
.footer-social {
  display: flex;
  gap: 10px;
}
.footer-social a {
  width: 36px; height: 36px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--outline-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--on-surface-muted);
  font-size: 16px;
  transition: var(--transition);
}
.footer-social a:hover { background: var(--cyan-subtle); border-color: var(--cyan); color: var(--cyan); }

/* ── Hero ── */
.hero { padding: calc(var(--nav-h) + 80px) 0 100px; position: relative; }
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}
.hero-content { position: relative; z-index: 1; }

/* Hero 2-column grid */
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 16px;
  padding-top: 24px;
  border-top: 1px solid rgba(6,182,212,0.15);
  flex-wrap: wrap;
}
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-grid > div:last-child { display: none; } /* hide float card on tablet */
}
@media (max-width: 768px) {
  .hero-stats { gap: 24px; }
  .hero-stats .stat-block { flex: 1; min-width: 80px; }
}
@media (max-width: 480px) {
  .hero-grid { gap: 32px; }
  .hero-stats { gap: 16px; }
  .stat-value { font-size: 26px; }
}

/* ── Section Headers ── */
.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 12px;
}
.section-eyebrow::before {
  content: '';
  width: 20px; height: 1px;
  background: var(--cyan);
}
.section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
}
.section-sub {
  font-size: 17px;
  color: var(--on-surface-muted);
  margin-top: 12px;
  max-width: 560px;
  line-height: 1.7;
}

/* ── Stat Block ── */
.stat-block { text-align: left; }
.stat-value {
  font-size: 40px;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.03em;
}
.stat-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--on-surface-muted);
  margin-top: 6px;
}

/* ── Product Card ── */
.product-card {
  background: var(--surface-card);
  backdrop-filter: blur(16px);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(6,182,212,0.12);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 20px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}
.product-card::after {
  content: '';
  position: absolute;
  inset-x: 0; bottom: 0;
  height: 1px;
  background: var(--gradient);
  transform: scaleX(0);
  transition: transform 0.4s ease;
}
.product-card:hover::after { transform: scaleX(1); }
.product-card:hover {
  transform: translateY(-6px);
  border-color: rgba(6,182,212,0.4);
  box-shadow: 0 20px 50px rgba(6,182,212,0.12);
}
.product-card.purple-card:hover {
  border-color: rgba(168,85,247,0.4);
  box-shadow: 0 20px 50px rgba(168,85,247,0.12);
}
.product-card.pink-card:hover {
  border-color: rgba(236,72,153,0.4);
  box-shadow: 0 20px 50px rgba(236,72,153,0.12);
}
.product-icon-wrap {
  width: 48px; height: 48px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  transition: var(--transition);
  font-size: 22px;
}
.product-card:hover .product-icon-wrap { background: var(--cyan-subtle); border-color: rgba(6,182,212,0.3); }
.product-card.purple-card:hover .product-icon-wrap { background: var(--purple-subtle); border-color: rgba(168,85,247,0.3); }
.product-card.pink-card:hover .product-icon-wrap { background: var(--pink-subtle); border-color: rgba(236,72,153,0.3); }
.product-price {
  font-size: 30px;
  font-weight: 900;
  color: #fff;
  letter-spacing: -0.03em;
  line-height: 1;
}
.product-price span { font-size: 16px; color: var(--cyan); }
.product-price .per { font-size: 11px; font-weight: 600; color: var(--on-surface-muted); letter-spacing: 0.1em; }

/* ── Accordion ── */
.accordion-item {
  border: 1px solid rgba(6,182,212,0.12);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}
.accordion-item.open { border-color: rgba(6,182,212,0.35); }
.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  background: var(--surface-card);
  transition: var(--transition);
}
.accordion-header:hover { background: rgba(6,182,212,0.05); }
.accordion-header h3 { font-size: 15px; font-weight: 600; color: #fff; }
.accordion-icon {
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 1px solid rgba(6,182,212,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan);
  font-size: 18px;
  transition: transform 0.3s ease;
  flex-shrink: 0;
}
.accordion-item.open .accordion-icon { transform: rotate(45deg); }
.accordion-body {
  display: none;
  padding: 0 24px 20px;
  background: var(--surface-card);
  font-size: 14px;
  color: var(--on-surface-muted);
  line-height: 1.75;
  border-top: 1px solid var(--outline-subtle);
}
.accordion-item.open .accordion-body { display: block; }

/* ── Order Modal ── */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(6px);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.modal-overlay.open { display: flex; }
.modal-box {
  background: var(--surface);
  border: 1px solid rgba(6,182,212,0.25);
  border-radius: var(--radius-xl);
  padding: 36px;
  max-width: 520px;
  width: 100%;
  position: relative;
  box-shadow: 0 40px 100px rgba(0,0,0,0.6), 0 0 60px rgba(6,182,212,0.1);
  animation: fadeInUp 0.3s ease-out;
}
.modal-close {
  position: absolute;
  top: 16px; right: 16px;
  width: 32px; height: 32px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--outline-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--on-surface-muted);
  font-size: 18px;
  cursor: pointer;
  transition: var(--transition);
}
.modal-close:hover { background: rgba(255,255,255,0.1); color: #fff; }

/* ── Toast ── */
.toast {
  position: fixed;
  bottom: 24px; left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--surface-higher);
  border: 1px solid rgba(6,182,212,0.3);
  border-radius: var(--radius-full);
  padding: 12px 24px;
  font-size: 13px;
  font-weight: 600;
  color: var(--on-surface);
  z-index: 3000;
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  white-space: nowrap;
}
.toast.show { transform: translateX(-50%) translateY(0); }

/* ── Admin Panel ── */
.admin-sidebar {
  width: 240px;
  min-height: 100vh;
  background: var(--bg-dim);
  border-right: 1px solid rgba(6,182,212,0.12);
  padding: 24px 0;
  position: fixed;
  top: 0; left: 0;
  z-index: 100;
}
.admin-content {
  margin-left: 240px;
  min-height: 100vh;
  background: var(--bg);
  padding: 40px;
}
.admin-nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 24px;
  font-size: 13px;
  font-weight: 600;
  color: var(--on-surface-muted);
  transition: var(--transition);
  cursor: pointer;
}
.admin-nav-item:hover { background: rgba(6,182,212,0.06); color: var(--on-surface); }
.admin-nav-item.active { background: var(--cyan-subtle); color: var(--cyan); border-right: 2px solid var(--cyan); }
.admin-tab { display: none; }
.admin-tab.active { display: block; }
.admin-card {
  background: var(--surface-card);
  border: 1px solid rgba(6,182,212,0.12);
  border-radius: var(--radius-lg);
  padding: 28px;
}
.admin-table { width: 100%; border-collapse: collapse; }
.admin-table th {
  padding: 10px 14px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--on-surface-muted);
  text-align: left;
  border-bottom: 1px solid var(--outline-subtle);
}
.admin-table td {
  padding: 14px;
  font-size: 13px;
  border-bottom: 1px solid var(--outline-subtle);
  color: var(--on-surface);
}
.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr:hover td { background: rgba(6,182,212,0.03); }

/* ── Page Header ── */
.page-header {
  padding: calc(var(--nav-h) + 60px) 0 60px;
  position: relative;
  overflow: hidden;
}
.page-header-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.page-header h1 { font-size: clamp(32px, 5vw, 56px); font-weight: 900; color: #fff; }

/* ── Variation Pills ── */
.variation-pill {
  padding: 8px 18px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(6,182,212,0.25);
  background: transparent;
  color: var(--on-surface-muted);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.variation-pill:hover { border-color: var(--cyan); color: var(--cyan); }
.variation-pill.selected {
  background: var(--cyan-subtle);
  border-color: var(--cyan);
  color: var(--cyan);
  box-shadow: 0 0 12px rgba(6,182,212,0.2);
}

/* ── Page Loader ── */
.page-loader {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 16px;
  transition: opacity 0.5s, visibility 0.5s;
}
.page-loader.hidden { opacity: 0; visibility: hidden; }
.loader-ring {
  width: 48px; height: 48px;
  border: 3px solid rgba(6,182,212,0.15);
  border-top-color: var(--cyan);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* ── Filter Tabs ── */
.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.filter-tab {
  padding: 8px 20px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255,255,255,0.08);
  background: transparent;
  color: var(--on-surface-muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: var(--transition);
}
.filter-tab:hover { border-color: var(--cyan); color: var(--cyan); }
.filter-tab.active {
  background: var(--gradient);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 0 16px rgba(168,85,247,0.3);
}

/* ══════════════════════════════════════════════
   RESPONSIVE SYSTEM — Mobile First
   Breakpoints: 1024px (tablet) | 768px (phablet) | 480px (mobile)
   ══════════════════════════════════════════════ */

/* ── Tablet (≤1024px) ── */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1.2fr 1fr; gap: 32px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }

  /* Hero 2-col → 1-col */
  .hero-content > div[style*="grid-template-columns:1fr 520px"],
  .hero-content > div[style*="grid-template-columns: 1fr 520px"] {
    grid-template-columns: 1fr !important;
  }
  /* Product page 2-col → stacked */
  #product-grid { grid-template-columns: 1fr !important; }
  #product-grid > div:last-child .glass { position: static !important; }
  #product-features { grid-template-columns: 1fr 1fr; }

  /* About page grids */
  .about-grid { grid-template-columns: 1fr !important; }
  .platforms-grid { grid-template-columns: repeat(4, 1fr) !important; }

  /* Contact page */
  .contact-grid { grid-template-columns: 1fr 1fr !important; }
  .info-grid { grid-template-columns: repeat(3, 1fr) !important; }

  /* Section spacing */
  .section { padding: 80px 0; }

  /* Admin form settings */
  .contact-settings-grid { grid-template-columns: 1fr !important; }
}

/* ── Phablet / Large Mobile (≤768px) ── */
@media (max-width: 768px) {
  /* Nav */
  .nav-links, .nav-desktop-only { display: none; }
  .hamburger { display: flex; }
  .nav-actions .btn:not(:last-child) { display: none; }
  .nav-dropdown { display: none !important; }

  /* Section spacing */
  .section { padding: 60px 0; }
  .section-sm { padding: 40px 0; }
  .container { padding: 0 16px; }

  /* Grids → 1 col */
  .grid-2,
  .grid-3,
  .grid-4 { grid-template-columns: 1fr !important; }

  /* Typography scale down */
  .section-title { font-size: clamp(22px, 6vw, 32px); }
  .section-sub { font-size: 15px; }
  h1 { font-size: clamp(26px, 7vw, 42px) !important; }

  /* Hero */
  .hero { padding: calc(var(--nav-h) + 48px) 0 64px; }
  .hero-content > div[style*="grid"],
  .hero-content > div[style*="display:grid"] {
    grid-template-columns: 1fr !important;
    gap: 40px !important;
  }
  /* Hero stat row */
  .hero-content [style*="display:flex"][style*="gap:40px"],
  .hero-content [style*="gap: 40px"] {
    gap: 20px !important;
    flex-wrap: wrap !important;
  }
  /* Hide hero float card on mobile */
  .hero-float-card { display: none !important; }

  /* All-products homepage grid → 2 col on mobile */
  #featured-grid { grid-template-columns: repeat(2, 1fr) !important; gap: 12px !important; }
  #featured-grid .product-card { padding: 14px !important; gap: 12px !important; }
  #featured-grid .product-icon-wrap { width: 32px !important; height: 32px !important; font-size: 16px !important; }
  #featured-grid h3 { font-size: 14px !important; margin-bottom: 2px !important; }
  #featured-grid p { font-size: 11px !important; margin-bottom: 12px !important; line-height: 1.4 !important; }
  #featured-grid .check-item { font-size: 10px !important; gap: 4px !important; }
  #featured-grid .check-icon { width: 14px !important; height: 14px !important; font-size: 9px !important; }
  #featured-grid .product-price { font-size: 18px !important; margin-bottom: 12px !important; }
  #featured-grid .badge { font-size: 9px !important; padding: 2px 6px !important; }
  #featured-grid .btn-outline { padding: 8px !important; font-size: 10px !important; }

  /* Inline grids on homepage */
  div[style*="grid-template-columns:1fr 1fr"],
  div[style*="grid-template-columns: 1fr 1fr"] {
    grid-template-columns: 1fr !important;
  }
  div[style*="grid-template-columns:repeat(3"],
  div[style*="grid-template-columns: repeat(3"] {
    grid-template-columns: 1fr !important;
  }
  div[style*="grid-template-columns:repeat(4"],
  div[style*="grid-template-columns: repeat(4"] {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  /* How-to-order steps → 2×2 grid */
  .grid-4[style*="grid-template-columns:repeat(4,1fr)"],
  .grid-4[style*="grid-template-columns: repeat(4, 1fr)"] {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  /* Product detail page */
  #product-grid { grid-template-columns: 1fr !important; }
  #product-grid > div:last-child .glass { position: static !important; }
  #product-features { grid-template-columns: 1fr !important; }
  #related-grid { grid-template-columns: repeat(2, 1fr) !important; }

  /* Catalog filter tabs */
  .filter-tabs { gap: 6px; }
  .filter-tab { padding: 6px 14px; font-size: 10px; }

  /* About page */
  .about-grid { grid-template-columns: 1fr !important; gap: 32px !important; }
  .about-grid > div:first-child > div[style*="grid-template-columns:1fr 1fr"],
  .about-grid > div:last-child > div[style*="grid"] {
    grid-template-columns: repeat(2, 1fr) !important;
  }
  .platforms-grid { grid-template-columns: repeat(2, 1fr) !important; }

  /* Contact page */
  .contact-grid { grid-template-columns: 1fr !important; }
  .info-grid { grid-template-columns: 1fr !important; }
  .include-grid { grid-template-columns: 1fr !important; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr !important; gap: 28px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }

  /* Buttons */
  .modal-box { padding: 20px; }
  .btn-lg { padding: 14px 24px; font-size: 11px; }

  /* Admin */
  .admin-sidebar { display: none; }
  .admin-content { margin-left: 0; padding: 20px 16px; }
  .contact-settings-grid { grid-template-columns: 1fr !important; }

  /* Variation pill rows */
  .var-row { grid-template-columns: 2fr 1fr auto !important; }
  .var-row .var-label { grid-column: 1 / -1; }

  /* Page headers */
  .page-header { padding: calc(var(--nav-h) + 36px) 0 40px; }

  /* Testimonials / review flex */
  .hero-content [style*="display:flex"][style*="gap:32px"] {
    flex-direction: column !important;
    gap: 16px !important;
  }
}

/* ── Mobile (≤480px) ── */
@media (max-width: 480px) {
  /* Tighter spacing */
  .hero { padding: calc(var(--nav-h) + 28px) 0 48px; }
  .section { padding: 48px 0; }
  .container { padding: 0 14px; }

  /* (Removed 1-col override for products to keep compact 2-col on phones) */

  /* Repeat-4 cols → 1 on phone */
  div[style*="grid-template-columns:repeat(4"],
  div[style*="grid-template-columns: repeat(4"] {
    grid-template-columns: 1fr !important;
  }

  /* Related grid → 1 col */
  #related-grid { grid-template-columns: 1fr !important; }

  /* Platforms grid → 2 col */
  .platforms-grid { grid-template-columns: repeat(2, 1fr) !important; }

  /* Platform strip – wrap nicely */
  #platform-strip { gap: 12px !important; }

  /* How-to-order → 1 col */
  .grid-4[style*="grid-template-columns:repeat(4,1fr)"] {
    grid-template-columns: 1fr !important;
  }

  /* Button groups – stack */
  div[style*="display:flex"][style*="gap:12px"] > .btn,
  div[style*="display:flex"][style*="gap:16px"] > .btn {
    width: 100%;
    justify-content: center;
  }

  /* Hero CTA buttons */
  .hero-content [style*="display:flex"] .btn { white-space: normal; }

  /* Sizes */
  .btn-lg { padding: 13px 20px; font-size: 10px; }
  .section-title { font-size: 22px; }
  h1 { font-size: clamp(22px, 8vw, 36px) !important; }

  /* Product card price */
  .product-price { font-size: 24px; }

  /* Stat values */
  .stat-value { font-size: 30px; }

  /* Modal */
  .modal-box { padding: 18px; border-radius: 16px; }

  /* Toast center */
  .toast { width: calc(100% - 32px); white-space: normal; text-align: center; }

  /* About platform grid → 2 col */
  .about-grid > div:last-child > div[style*="grid"] {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  /* Contact order tips */
  .include-grid { grid-template-columns: 1fr !important; }

  /* Footer branding */
  .footer-brand p { max-width: 100%; }

  /* FAQ accordion */
  .accordion-header { padding: 16px; }
  .accordion-header h3 { font-size: 14px; }
  .accordion-body { padding: 0 16px 16px; }

  /* Admin panel form */
  #product-form-box { padding: 16px; max-height: 95vh; }
}

/* ── Specific inline layout overrides ── */

/* Hero grid: always 1-col on tablet and below */
@media (max-width: 1024px) {
  /* The hero 2-col layout */
  .hero-content > div[style] {
    grid-template-columns: 1fr !important;
  }

  /* Feature cards stay 2-col on tablet */
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

/* Platform strip wraps on mobile */
@media (max-width: 600px) {
  #platform-strip {
    gap: 8px !important;
  }
  #platform-strip > div {
    padding: 8px 12px !important;
  }
}

/* Nav mobile menu link sizes */
@media (max-width: 768px) {
  .mobile-menu .nav-link { font-size: 14px; padding: 10px 0; }
  .mobile-menu .btn { width: 100%; justify-content: center; }
}