/* =========================================================
   BoostZone — shared design system
   ========================================================= */

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

:root {
  --bg: #05070d;
  --bg-elevated: #0a0d17;
  --bg-card: #0e1424;
  --bg-card-hover: #121a30;
  --blue: #2f6bff;
  --blue-light: #5b8dff;
  --blue-dim: rgba(47, 107, 255, 0.14);
  --blue-glow: rgba(47, 107, 255, 0.45);
  --white: #ffffff;
  --text: #e9ecf5;
  --text-muted: #9aa4bd;
  --text-faint: #6b7591;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --success: #34d399;
  --danger: #ff5c72;
  --warn: #ffb84d;
  --radius-lg: 20px;
  --radius: 14px;
  --radius-sm: 9px;
  --shadow-glow: 0 0 60px rgba(47, 107, 255, 0.28);
  --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.4);
  --font-head: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --container: 1180px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

ul { list-style: none; }

button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }

input, select { font-family: inherit; }

h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

section { position: relative; }

/* Background glow accents used across sections */
.bg-glow {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}
.bg-glow::before,
.bg-glow::after {
  content: '';
  position: absolute;
  width: 560px;
  height: 560px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--blue-glow) 0%, transparent 70%);
  filter: blur(40px);
  opacity: 0.35;
}
.bg-glow::before { top: -220px; left: -160px; }
.bg-glow::after { bottom: -260px; right: -180px; }

/* =========================================================
   Buttons
   ========================================================= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, opacity .2s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px) scale(0.98); }

.btn-primary {
  background: linear-gradient(135deg, var(--blue), var(--blue-light));
  color: #fff;
  box-shadow: 0 8px 24px rgba(47, 107, 255, 0.4);
}
.btn-primary:hover { box-shadow: 0 10px 32px rgba(47, 107, 255, 0.6); transform: translateY(-2px); }

.btn-ghost {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-strong);
  color: var(--text);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.08); border-color: var(--blue-light); }

.btn-block { width: 100%; }
.btn-lg { padding: 16px 32px; font-size: 1.02rem; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none !important; box-shadow: none !important; }

/* =========================================================
   Nav
   ========================================================= */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(5, 7, 13, 0.78);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}
.nav__logo-mark {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 22px rgba(47, 107, 255, 0.55);
  flex-shrink: 0;
}
.nav__logo-mark img { width: 100%; height: 100%; object-fit: cover; }
.nav__links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav__links a {
  font-size: 0.94rem;
  color: var(--text-muted);
  font-weight: 500;
  transition: color 0.2s ease;
}
.nav__links a:hover, .nav__links a.active { color: var(--white); }
.nav__actions { display: flex; align-items: center; gap: 14px; }

.cart-btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  transition: border-color 0.2s ease, background 0.2s ease;
}
.cart-btn:hover { border-color: var(--blue-light); background: rgba(47,107,255,0.08); }
.cart-btn svg { width: 19px; height: 19px; }
.cart-badge {
  position: absolute;
  top: -6px;
  right: -6px;
  min-width: 19px;
  height: 19px;
  padding: 0 4px;
  border-radius: 999px;
  background: var(--blue);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 0 2px var(--bg);
}
.cart-badge.hidden { display: none; }

.nav__burger {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-strong);
}
.nav__burger span { display: block; width: 18px; height: 2px; background: var(--white); position: relative; }
.nav__burger span::before, .nav__burger span::after {
  content: '';
  position: absolute;
  width: 18px;
  height: 2px;
  background: var(--white);
  left: 0;
  transition: transform .2s ease;
}
.nav__burger span::before { top: -6px; }
.nav__burger span::after { top: 6px; }

/* =========================================================
   Hero
   ========================================================= */

.hero {
  padding: 88px 0 96px;
  overflow: hidden;
}
.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--blue-dim);
  border: 1px solid rgba(47, 107, 255, 0.35);
  color: var(--blue-light);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.hero h1 {
  font-size: clamp(2.4rem, 4.2vw, 3.6rem);
  margin-bottom: 20px;
}
.hero h1 .accent {
  background: linear-gradient(135deg, var(--blue-light), var(--blue));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p.lead {
  color: var(--text-muted);
  font-size: 1.08rem;
  max-width: 480px;
  margin-bottom: 32px;
}
.hero__cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 36px; }
.hero__stats { display: flex; gap: 32px; flex-wrap: wrap; }
.hero__stat b {
  display: block;
  font-family: var(--font-head);
  font-size: 1.5rem;
  color: var(--white);
}
.hero__stat span { color: var(--text-faint); font-size: 0.82rem; }

.hero__visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 420px;
}
.hero__ring-stage {
  position: relative;
  width: 380px;
  height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ripple {
  position: absolute;
  border-radius: 50%;
  border: 1.5px solid var(--blue-light);
  opacity: 0;
  animation: ripple 3.2s ease-out infinite;
}
.ripple:nth-child(1) { width: 140px; height: 140px; animation-delay: 0s; }
.ripple:nth-child(2) { width: 140px; height: 140px; animation-delay: 0.9s; }
.ripple:nth-child(3) { width: 140px; height: 140px; animation-delay: 1.8s; }
@keyframes ripple {
  0% { width: 140px; height: 140px; opacity: 0.65; }
  100% { width: 400px; height: 400px; opacity: 0; }
}
.hero__product-card {
  position: relative;
  z-index: 2;
  width: 230px;
  padding: 28px;
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card), var(--shadow-glow);
  text-align: center;
}
.hero__product-card img { border-radius: 12px; margin-bottom: 14px; }
.hero__price-tag {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  background: var(--blue-dim);
  border: 1px solid rgba(47,107,255,0.35);
  padding: 6px 14px;
  border-radius: 999px;
  font-family: var(--font-head);
}
.hero__price-tag b { font-size: 1.1rem; color: var(--white); }
.hero__price-tag s { color: var(--text-faint); font-size: 0.85rem; }

/* =========================================================
   Section heading pattern
   ========================================================= */

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
  position: relative;
  z-index: 1;
}
.section-head h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); margin-bottom: 14px; }
.section-head p { color: var(--text-muted); font-size: 1.02rem; }
.section-pad { padding: 100px 0; }
.section-pad--tight { padding: 72px 0; }

/* =========================================================
   Before / After comparison
   ========================================================= */

.compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  position: relative;
  z-index: 1;
}
.compare__card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  overflow: hidden;
}
.compare__card--after { border-color: rgba(47,107,255,0.4); box-shadow: var(--shadow-glow); }
.compare__tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 20px;
}
.compare__tag--before { background: rgba(255, 92, 114, 0.14); color: var(--danger); }
.compare__tag--after { background: var(--blue-dim); color: var(--blue-light); }
.ping-stat { text-align: center; margin-bottom: 24px; }
.ping-stat__label {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-faint);
  margin-bottom: 8px;
}
.ping-stat__value {
  font-family: var(--font-head);
  font-size: 3.4rem;
  font-weight: 700;
  line-height: 1;
  display: inline-block;
  font-variant-numeric: tabular-nums;
}
.ping-stat--before .ping-stat__value { color: var(--danger); }
.ping-stat--after .ping-stat__value { color: var(--blue-light); }
.compare__card h3 { font-size: 1.15rem; margin-bottom: 8px; }
.compare__card p { color: var(--text-muted); font-size: 0.95rem; }

/* =========================================================
   How It Works diagram
   ========================================================= */

.how-it-works {
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  box-shadow: var(--shadow-card);
  position: relative;
  z-index: 1;
  overflow-x: auto;
}
.how-it-works__svg { width: 100%; height: auto; display: block; overflow: visible; min-width: 640px; }
.hiw-label {
  font-family: var(--font-body);
  font-size: 11px;
  fill: var(--text-faint);
}
.hiw-label--strong {
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 600;
  fill: var(--text);
}
.hiw-flow { animation: hiwFlow 1.4s linear infinite; }
@keyframes hiwFlow { to { stroke-dashoffset: -28; } }
.hiw-glow-pulse { animation: hiwGlowPulse 2.6s ease-in-out infinite; transform-origin: center; }
.hiw-glow-pulse--delay { animation-delay: 1.1s; }
@keyframes hiwGlowPulse {
  0%, 100% { opacity: 0.55; transform: scale(1); }
  50% { opacity: 0.9; transform: scale(1.08); }
}

/* =========================================================
   Coverage map — signature interactive element
   ========================================================= */

.coverage__inner {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 56px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.coverage__text h2 { font-size: clamp(1.8rem, 3vw, 2.3rem); margin-bottom: 16px; }
.coverage__text p { color: var(--text-muted); margin-bottom: 28px; }
.coverage__toggle {
  display: inline-flex;
  padding: 5px;
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  margin-bottom: 28px;
}
.toggle-btn {
  padding: 10px 20px;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: background .25s ease, color .25s ease;
  white-space: nowrap;
}
.toggle-btn.active { background: linear-gradient(135deg, var(--blue), var(--blue-light)); color: #fff; }
.coverage__legend { display: flex; flex-direction: column; gap: 10px; }
.coverage__legend li { display: flex; align-items: center; gap: 10px; font-size: 0.88rem; color: var(--text-muted); }
.dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.dot--dead { background: var(--danger); box-shadow: 0 0 8px rgba(255,92,114,0.6); }
.dot--weak { background: var(--warn); }
.dot--strong { background: var(--blue-light); box-shadow: 0 0 8px rgba(91,141,255,0.6); }

.coverage__map {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-card);
}
.coverage__map svg { width: 100%; height: auto; display: block; }

.floorplan-room {
  fill: rgba(255,255,255,0.02);
  stroke: var(--border-strong);
  stroke-width: 1.5;
}
.floorplan-label {
  fill: var(--text-faint);
  font-size: 11px;
  font-family: var(--font-body);
  letter-spacing: 0.03em;
}
.deadzone {
  fill: var(--danger);
  opacity: 0.28;
  filter: blur(6px);
  transition: opacity 0.6s ease;
}
.weakzone {
  fill: var(--warn);
  opacity: 0.16;
  filter: blur(6px);
  transition: opacity 0.6s ease;
}
.signal-ring {
  fill: none;
  stroke: var(--blue-light);
  stroke-width: 1.4;
  opacity: 0;
  transform-origin: center;
  transition: opacity 0.5s ease, stroke-dashoffset 0.5s ease;
}
.signal-ring-fill {
  fill: var(--blue);
  opacity: 0;
  transition: opacity 0.6s ease;
}
.router-dot, .repeater-dot {
  fill: var(--blue-light);
}
.repeater-dot { opacity: 0; transition: opacity 0.4s ease 0.2s; }
.repeater-pulse { opacity: 0; transition: opacity 0.4s ease; }

.coverage__map[data-state="after"] .deadzone,
.coverage__map[data-state="after"] .weakzone { opacity: 0; }
.coverage__map[data-state="after"] .signal-ring { opacity: 0.55; }
.coverage__map[data-state="after"] .signal-ring-fill { opacity: 0.13; }
.coverage__map[data-state="after"] .repeater-dot,
.coverage__map[data-state="after"] .repeater-pulse { opacity: 1; }

.coverage__map[data-state="before"] .signal-ring.far { opacity: 0; }
.coverage__map[data-state="before"] .signal-ring.near { opacity: 0.25; }

.stat-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 14px 0;
  margin-top: 56px;
  padding: 22px 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 999px;
  position: relative;
  z-index: 1;
}
.stat-strip li {
  padding: 0 24px;
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  border-right: 1px solid var(--border);
  white-space: nowrap;
}
.stat-strip li:last-child { border-right: none; }

.repeater-pulse {
  animation: repeaterPulse 2.6s ease-out infinite;
  transform-origin: center;
}
@keyframes repeaterPulse {
  0% { r: 6; opacity: 0.6; }
  100% { r: 46; opacity: 0; }
}

/* =========================================================
   Features
   ========================================================= */

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  position: relative;
  z-index: 1;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}
.feature-card:hover {
  transform: translateY(-6px);
  border-color: rgba(47,107,255,0.4);
  background: var(--bg-card-hover);
}
.feature-card__icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--blue-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: var(--blue-light);
}
.feature-card__icon svg { width: 22px; height: 22px; }
.feature-card h3 { font-size: 1.05rem; margin-bottom: 8px; }
.feature-card p { color: var(--text-muted); font-size: 0.92rem; }

/* =========================================================
   Product teaser (home)
   ========================================================= */

.teaser {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 48px;
  position: relative;
  z-index: 1;
  overflow: hidden;
}
.teaser::before {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 320px; height: 320px;
  background: radial-gradient(circle, var(--blue-glow), transparent 70%);
  opacity: 0.4;
}
.teaser__media { position: relative; z-index: 1; display: flex; justify-content: center; }
.teaser__media img { max-width: 260px; filter: drop-shadow(0 20px 40px rgba(0,0,0,0.5)); }
.teaser__content { position: relative; z-index: 1; }
.teaser__content h2 { font-size: clamp(1.6rem, 2.6vw, 2.1rem); margin-bottom: 14px; }
.teaser__content p { color: var(--text-muted); margin-bottom: 20px; }
.teaser__swatches { display: flex; gap: 10px; margin-bottom: 24px; }
.swatch {
  width: 30px; height: 30px; border-radius: 50%;
  border: 2px solid var(--border-strong);
}
.swatch--white { background: #f4f6fb; }
.swatch--black { background: #1a1d24; }
.teaser__price { display: flex; align-items: baseline; gap: 10px; margin-bottom: 24px; }
.teaser__price b { font-family: var(--font-head); font-size: 2rem; }
.teaser__price s { color: var(--text-faint); }
.teaser__list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 28px; }
.teaser__list li { display: flex; align-items: center; gap: 10px; font-size: 0.92rem; color: var(--text-muted); }
.teaser__list svg { width: 16px; height: 16px; color: var(--blue-light); flex-shrink: 0; }

/* =========================================================
   Reviews
   ========================================================= */

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  position: relative;
  z-index: 1;
}
.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  transition: transform .25s ease, border-color .25s ease;
}
.review-card:hover { transform: translateY(-4px); border-color: rgba(47,107,255,0.35); }
.stars { color: var(--warn); font-size: 0.9rem; margin-bottom: 14px; letter-spacing: 2px; }
.review-card p.quote { font-size: 0.95rem; color: var(--text); margin-bottom: 18px; }
.review-card__author { display: flex; align-items: center; gap: 10px; }
.avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--blue-light));
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem; font-weight: 700; color: #fff;
  font-family: var(--font-head);
}
.review-card__author div b { display: block; font-size: 0.88rem; }
.review-card__author div span { font-size: 0.78rem; color: var(--text-faint); }

/* =========================================================
   FAQ
   ========================================================= */

.faq-list { max-width: 760px; margin: 0 auto; position: relative; z-index: 1; }
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-item__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 4px;
  width: 100%;
  text-align: left;
  font-family: var(--font-head);
  font-size: 1.02rem;
  font-weight: 500;
}
.faq-item__q svg { width: 18px; height: 18px; flex-shrink: 0; transition: transform 0.3s ease; color: var(--blue-light); }
.faq-item.open .faq-item__q svg { transform: rotate(45deg); }
.faq-item__a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  color: var(--text-muted);
  font-size: 0.94rem;
}
.faq-item.open .faq-item__a { padding-bottom: 22px; }

/* =========================================================
   Footer
   ========================================================= */

.footer {
  border-top: 1px solid var(--border);
  padding: 56px 0 32px;
  margin-top: 60px;
}
.footer__inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 40px;
}
.footer__brand p { color: var(--text-faint); font-size: 0.88rem; margin-top: 12px; max-width: 280px; }
.footer h4 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-faint); margin-bottom: 16px; }
.footer ul { display: flex; flex-direction: column; gap: 10px; }
.footer a { color: var(--text-muted); font-size: 0.9rem; transition: color 0.2s ease; }
.footer a:hover { color: var(--blue-light); }
.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  color: var(--text-faint);
  font-size: 0.82rem;
}

/* =========================================================
   Scroll reveal
   ========================================================= */

.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.in-view { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* =========================================================
   Breadcrumb / page header (product, cart)
   ========================================================= */

.page-header { padding: 36px 0 8px; }
.breadcrumb { display: flex; gap: 8px; align-items: center; color: var(--text-faint); font-size: 0.85rem; }
.breadcrumb a:hover { color: var(--blue-light); }

/* =========================================================
   Product page
   ========================================================= */

.product-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  padding: 32px 0 100px;
  position: relative;
  z-index: 1;
}

.gallery__main {
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 380px;
  margin-bottom: 16px;
  position: relative;
  overflow: hidden;
}
.gallery__main img { max-width: 320px; transition: transform 0.4s ease; }
.gallery__badge {
  position: absolute;
  top: 20px; left: 20px;
  background: var(--blue-dim);
  border: 1px solid rgba(47,107,255,0.4);
  color: var(--blue-light);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.gallery__thumbs { display: flex; gap: 12px; }
.gallery__thumbs button {
  width: 78px; height: 78px;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  padding: 12px;
  transition: border-color 0.2s ease;
}
.gallery__thumbs button.active, .gallery__thumbs button:hover { border-color: var(--blue-light); }

.product-info__title { font-size: clamp(1.6rem, 2.8vw, 2.1rem); margin-bottom: 10px; }
.product-info__rating { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; color: var(--text-muted); font-size: 0.88rem; }
.product-info__rating .stars { margin-bottom: 0; }
.trustpilot-badge { display: flex; align-items: center; gap: 8px; margin-bottom: 20px; color: var(--text-muted); font-size: 0.85rem; }
.trustpilot-badge img { display: block; }
.section-head .trustpilot-badge { justify-content: center; margin: 18px auto 0; }
.product-info__price { display: flex; align-items: baseline; gap: 12px; margin-bottom: 22px; }
.product-info__price b { font-family: var(--font-head); font-size: 2.1rem; }
.product-info__price s { color: var(--text-faint); font-size: 1.1rem; }
.product-info__price .save-tag { background: rgba(52,211,153,0.15); color: var(--success); font-size: 0.78rem; font-weight: 700; padding: 4px 10px; border-radius: 999px; }
.quick-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  padding: 14px 0;
  margin-bottom: 22px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.quick-specs li { font-size: 0.86rem; color: var(--text); }
.quick-specs li span { color: var(--text-faint); margin-right: 4px; }
.product-info__desc { color: var(--text-muted); margin-bottom: 30px; }

.option-group { margin-bottom: 26px; }
.option-group__label { display: flex; justify-content: space-between; font-size: 0.88rem; font-weight: 600; margin-bottom: 12px; }
.option-group__label span.value { color: var(--text-muted); font-weight: 500; }
.option-row { display: flex; gap: 10px; flex-wrap: wrap; }

.option-pill {
  padding: 10px 18px;
  border-radius: 999px;
  border: 1.5px solid var(--border-strong);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: all 0.2s ease;
}
.option-pill:hover { border-color: var(--blue-light); color: var(--white); }
.option-pill.active {
  border-color: var(--blue);
  background: var(--blue-dim);
  color: var(--white);
}

.option-color {
  width: 42px; height: 42px;
  border-radius: 50%;
  border: 2px solid var(--border-strong);
  position: relative;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.option-color:hover { transform: scale(1.06); }
.option-color.active { border-color: var(--blue-light); box-shadow: 0 0 0 3px rgba(47,107,255,0.25); }
.option-color--white { background: #f4f6fb; }
.option-color--black { background: #1a1d24; }
.option-color.active::after {
  content: '✓';
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem; font-weight: 700;
  color: var(--blue);
}
.option-color--black.active::after { color: var(--blue-light); }

.length-select {
  width: 100%;
  max-width: 280px;
  padding: 13px 14px;
  background: var(--bg-elevated);
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--white);
  font-size: 0.92rem;
  transition: border-color 0.2s ease;
}
.length-select:hover { border-color: var(--blue-light); }
.length-select:focus { outline: none; border-color: var(--blue-light); }

/* Bundle & Save */
.bundle-section { padding-top: 4px; }
.bundle-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.bundle-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--bg-card);
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 18px;
  transition: border-color 0.2s ease;
}
.bundle-card:hover { border-color: rgba(47,107,255,0.4); }
.bundle-card__name { font-size: 0.92rem; font-weight: 600; }
.bundle-card__desc { display: block; color: var(--text-faint); font-size: 0.78rem; margin-top: 4px; font-weight: 400; }
.bundle-card__price { display: flex; align-items: baseline; gap: 8px; }
.bundle-card__price b { font-family: var(--font-head); font-size: 1.3rem; }
.bundle-card__price s { color: var(--text-faint); font-size: 0.85rem; }
.bundle-card__save { color: var(--success); font-size: 0.76rem; font-weight: 700; }

/* Shop catalog page */
.shop-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
  position: relative;
  z-index: 1;
}
.shop-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.shop-card:hover { transform: translateY(-6px); border-color: rgba(47,107,255,0.4); }
.shop-card__media {
  background: var(--bg-elevated);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 36px;
  min-height: 240px;
}
.shop-card__media img { max-width: 220px; max-height: 220px; }
.shop-card__body { padding: 24px 28px 28px; display: flex; flex-direction: column; flex: 1; }
.shop-card__body h3 { font-size: 1.15rem; margin-bottom: 8px; }
.shop-card__body p { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 18px; }
.shop-card__price { display: flex; align-items: baseline; gap: 10px; margin-bottom: 20px; }
.shop-card__price b { font-family: var(--font-head); font-size: 1.5rem; }
.shop-card__price s { color: var(--text-faint); font-size: 0.9rem; }
.shop-card__cta { margin-top: auto; align-self: flex-start; }

.qty-stepper {
  display: inline-flex;
  align-items: center;
  border: 1.5px solid var(--border-strong);
  border-radius: 999px;
  overflow: hidden;
}
.qty-stepper button {
  width: 42px; height: 42px;
  font-size: 1.1rem;
  font-weight: 600;
  transition: background 0.2s ease;
}
.qty-stepper button:hover { background: rgba(255,255,255,0.06); }
.qty-stepper span { width: 44px; text-align: center; font-weight: 600; }

.product-actions { display: flex; gap: 14px; margin-bottom: 20px; }
.product-actions .btn-primary { flex: 1; }
.stock-note { display: flex; align-items: center; gap: 8px; font-size: 0.85rem; color: var(--success); margin-bottom: 30px; }
.stock-note svg { width: 14px; height: 14px; }

.trust-row {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.trust-row div { display: flex; align-items: center; gap: 8px; font-size: 0.82rem; color: var(--text-muted); }
.trust-row svg { width: 16px; height: 16px; color: var(--blue-light); }

.added-toast {
  position: fixed;
  bottom: 28px; right: 28px;
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-card);
  border-radius: var(--radius);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  z-index: 300;
  transform: translateY(120%);
  opacity: 0;
  transition: transform 0.35s ease, opacity 0.35s ease;
}
.added-toast.show { transform: translateY(0); opacity: 1; }
.added-toast img { width: 44px; height: 44px; border-radius: 8px; background: var(--bg-elevated); border: 1px solid var(--border); padding: 4px; }
.added-toast b { display: block; font-size: 0.9rem; }
.added-toast a { color: var(--blue-light); font-size: 0.82rem; font-weight: 600; }

/* Specs table */
.specs-table { width: 100%; border-collapse: collapse; position: relative; z-index: 1; }
.specs-table tr { border-bottom: 1px solid var(--border); }
.specs-table td { padding: 16px 8px; font-size: 0.92rem; }
.specs-table td:first-child { color: var(--text-faint); width: 40%; }

.tabs { display: flex; gap: 8px; border-bottom: 1px solid var(--border); margin-bottom: 32px; position: relative; z-index: 1; }
.tab-btn {
  padding: 14px 20px;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.tab-btn.active { color: var(--white); border-color: var(--blue); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* =========================================================
   Cart page
   ========================================================= */

.cart-layout {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 40px;
  padding: 32px 0 100px;
  align-items: start;
  position: relative;
  z-index: 1;
}
.cart-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 8px 28px;
}
.cart-line {
  display: grid;
  grid-template-columns: 84px 1fr auto auto;
  gap: 18px;
  align-items: center;
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
}
.cart-line:last-child { border-bottom: none; }
.cart-line__img {
  width: 84px; height: 84px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  padding: 10px;
}
.cart-line__info b { display: block; font-size: 0.98rem; margin-bottom: 6px; }
.cart-line__info .variant { color: var(--text-faint); font-size: 0.82rem; margin-bottom: 8px; }
.cart-line__info .remove-btn { color: var(--danger); font-size: 0.8rem; font-weight: 600; }
.cart-line__qty .qty-stepper button { width: 34px; height: 34px; }
.cart-line__price { text-align: right; font-weight: 600; font-family: var(--font-head); white-space: nowrap; }
.cart-line__price s { display: block; color: var(--text-faint); font-weight: 400; font-size: 0.8rem; }

.summary-card {
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 28px;
  position: sticky;
  top: 100px;
}
.summary-card h3 { margin-bottom: 20px; font-size: 1.1rem; }
.summary-row { display: flex; justify-content: space-between; font-size: 0.92rem; color: var(--text-muted); margin-bottom: 14px; }
.summary-row.total { color: var(--white); font-weight: 700; font-size: 1.15rem; padding-top: 16px; border-top: 1px solid var(--border); margin-top: 16px; }
.checkout-error { margin-top: 12px; padding: 12px 14px; border-radius: var(--radius); background: rgba(255,92,114,0.1); border: 1px solid rgba(255,92,114,0.35); color: var(--danger); font-size: 0.82rem; line-height: 1.4; }
.promo-row { display: flex; gap: 8px; margin: 20px 0; }
.promo-row input {
  flex: 1; padding: 12px 14px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--white);
  font-size: 0.88rem;
}
.promo-row input:focus { outline: none; border-color: var(--blue-light); }

.empty-cart {
  text-align: center;
  padding: 80px 20px;
  position: relative;
  z-index: 1;
}
.empty-cart svg { width: 64px; height: 64px; color: var(--text-faint); margin: 0 auto 20px; }
.empty-cart h3 { margin-bottom: 10px; }
.empty-cart p { color: var(--text-muted); margin-bottom: 28px; }

/* Checkout steps */
.checkout-steps { display: flex; align-items: center; gap: 10px; margin-bottom: 36px; position: relative; z-index: 1; }
.checkout-step { display: flex; align-items: center; gap: 10px; color: var(--text-faint); font-size: 0.88rem; font-weight: 600; }
.checkout-step__dot {
  width: 28px; height: 28px; border-radius: 50%;
  border: 1.5px solid var(--border-strong);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem;
  transition: all 0.25s ease;
}
.checkout-step.active { color: var(--white); }
.checkout-step.active .checkout-step__dot { background: var(--blue); border-color: var(--blue); }
.checkout-step.done .checkout-step__dot { background: var(--success); border-color: var(--success); color: #05070d; }
.checkout-step__line { width: 40px; height: 1.5px; background: var(--border-strong); }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-field { margin-bottom: 16px; }
.form-field.full { grid-column: 1 / -1; }
.form-field label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 8px; color: var(--text-muted); }
.form-field input, .form-field select {
  width: 100%;
  padding: 13px 14px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--white);
  font-size: 0.92rem;
  transition: border-color 0.2s ease;
}
.form-field input:focus, .form-field select:focus { outline: none; border-color: var(--blue-light); }
.form-field .hint { font-size: 0.72rem; color: var(--text-faint); margin-top: 6px; }

.checkout-view { display: none; }
.checkout-view.active { display: block; }

.confirmation {
  text-align: center;
  padding: 60px 20px;
}
.confirmation__icon {
  width: 76px; height: 76px;
  border-radius: 50%;
  background: rgba(52,211,153,0.15);
  color: var(--success);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 24px;
}
.confirmation__icon svg { width: 36px; height: 36px; }
.confirmation h2 { margin-bottom: 12px; }
.confirmation p { color: var(--text-muted); margin-bottom: 8px; }
.confirmation .order-id { color: var(--blue-light); font-weight: 700; }

.checkout-back { display: inline-flex; align-items: center; gap: 8px; color: var(--text-muted); font-size: 0.88rem; margin-bottom: 24px; font-weight: 600; }
.checkout-back:hover { color: var(--blue-light); }
.checkout-back svg { width: 16px; height: 16px; }

/* =========================================================
   Mobile responsiveness
   ========================================================= */

@media (max-width: 960px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__visual { order: -1; min-height: 320px; }
  .coverage__inner { grid-template-columns: 1fr; }
  .teaser { grid-template-columns: 1fr; padding: 32px; text-align: center; }
  .teaser__list { text-align: left; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .reviews-grid { grid-template-columns: repeat(2, 1fr); }
  .product-layout { grid-template-columns: 1fr; gap: 32px; }
  .cart-layout { grid-template-columns: 1fr; }
  .summary-card { position: static; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .nav__links { display: none; }
  .nav__burger { display: flex; }
  .nav.open .nav__links {
    display: flex;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 20px 24px;
    gap: 18px;
  }
  .compare { grid-template-columns: 1fr; }
  .stat-strip {
    flex-direction: column;
    align-items: stretch;
    border-radius: var(--radius-lg);
    gap: 0;
  }
  .stat-strip li {
    text-align: center;
    padding: 12px 0;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .stat-strip li:last-child { border-bottom: none; }
  .features-grid { grid-template-columns: 1fr; }
  .reviews-grid { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
  .hero { padding: 48px 0 56px; }
  .section-pad { padding: 64px 0; }
  .form-grid { grid-template-columns: 1fr; }
  .cart-line { grid-template-columns: 60px 1fr; grid-template-areas: "img info" "img qty" "img price"; row-gap: 10px; }
  .cart-line__img { grid-area: img; width: 60px; height: 60px; }
  .cart-line__info { grid-area: info; }
  .cart-line__qty { grid-area: qty; }
  .cart-line__price { grid-area: price; text-align: left; }
  .bundle-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .footer__inner { grid-template-columns: 1fr; }
  .hero__ring-stage { width: 280px; height: 280px; }
  .hero__product-card { width: 200px; padding: 20px; }
}