:root {
  --ink: #07111f;
  --navy: #0e1c2f;
  --navy-2: #16324a;
  --teal: #1ec8c8;
  --teal-dark: #129a9c;
  --gold: #f4c95d;
  --sand: #f5f1ea;
  --paper: #ffffff;
  --muted: #5c6b7a;
  --line: #e4ddd2;
  --danger: #c2410c;
  --ok: #0f766e;
  --shadow: 0 18px 50px rgba(7, 17, 31, 0.12);
  --radius: 18px;
  --max: 1180px;
  --header: 78px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Manrope", system-ui, sans-serif;
  color: var(--ink);
  background: var(--sand);
  line-height: 1.65;
  min-height: 100vh;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
.wrap { width: min(var(--max), calc(100% - 40px)); margin-inline: auto; }

/* Disclosure */
.disclosure {
  background: #10263b;
  color: #d7e6ef;
  font-size: 13px;
  text-align: center;
  padding: 8px 16px;
  letter-spacing: 0.01em;
}
.disclosure a { color: var(--teal); text-decoration: underline; }

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(14, 28, 47, 0.94);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(30, 200, 200, 0.15);
}
.header-inner {
  height: var(--header);
  display: flex;
  align-items: center;
  gap: 28px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-family: "Syne", sans-serif;
  font-weight: 800;
  font-size: 22px;
  letter-spacing: -0.04em;
  flex-shrink: 0;
}
.logo img { width: 34px; height: 34px; }
.nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav a {
  color: #d5e4ee;
  font-size: 14px;
  font-weight: 600;
  padding: 8px 12px;
  border-radius: 999px;
  transition: 0.2s ease;
}
.nav a:hover, .nav a.active { background: rgba(30, 200, 200, 0.14); color: var(--teal); }
.nav-cta {
  background: var(--teal) !important;
  color: var(--ink) !important;
  margin-left: 8px;
}
.nav-drop { position: relative; }
.nav-drop-btn {
  color: #d5e4ee;
  font-size: 14px;
  font-weight: 600;
  padding: 8px 12px;
  border-radius: 999px;
  border: 0;
  background: transparent;
  cursor: pointer;
}
.nav-drop-btn:hover, .nav-drop-btn.active, .nav-drop.open .nav-drop-btn {
  background: rgba(30, 200, 200, 0.14);
  color: var(--teal);
}
.nav-drop-menu {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 180px;
  background: #10263b;
  border: 1px solid rgba(30, 200, 200, 0.18);
  border-radius: 16px;
  padding: 8px;
  box-shadow: var(--shadow);
}
.nav-drop.open .nav-drop-menu, .nav-drop:hover .nav-drop-menu { display: grid; }
.nav-drop-menu a {
  display: block;
  padding: 10px 12px;
  border-radius: 10px;
}
.burger {
  display: none;
  margin-left: auto;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  cursor: pointer;
}
.burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: #fff;
  margin: 5px auto;
  transition: 0.2s;
}

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(900px 400px at 10% -10%, rgba(30, 200, 200, 0.22), transparent 50%),
    radial-gradient(700px 320px at 90% 10%, rgba(244, 201, 93, 0.12), transparent 45%),
    var(--navy);
  color: #fff;
  padding: 84px 0 72px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(30, 200, 200, 0.12);
  color: var(--teal);
  border: 1px solid rgba(30, 200, 200, 0.28);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
h1, h2, h3, .brand-font { font-family: "Syne", sans-serif; letter-spacing: -0.04em; line-height: 1.12; }
.hero-title {
  font-family: "Bricolage Grotesque", "Syne", sans-serif;
  font-size: clamp(38px, 5.4vw, 66px);
  font-weight: 800;
  letter-spacing: -0.055em;
  line-height: 1.02;
  max-width: 12ch;
  margin: 18px 0 16px;
}
.hero-line {
  display: block;
  overflow: hidden;
}
.hero-line > span {
  display: inline-block;
  animation: titleIn 0.85s cubic-bezier(0.16, 1, 0.3, 1) both;
}
.hero-line-accent > span {
  animation-delay: 0.16s;
  background: linear-gradient(100deg, #7ff6f0 0%, #1ec8c8 42%, #f4c95d 100%);
  background-size: 160% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: titleIn 0.85s cubic-bezier(0.16, 1, 0.3, 1) both, shine 5s ease-in-out 0.8s infinite;
}
@keyframes titleIn {
  from { transform: translateY(120%); opacity: 0; filter: blur(8px); }
  to { transform: none; opacity: 1; filter: none; }
}
@keyframes shine {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
.hero h1.hero-title { max-width: 13ch; }
.hero p.lead { font-size: 18px; color: #c9d8e4; max-width: 52ch; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 999px;
  padding: 13px 22px;
  font-weight: 700;
  border: 0;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--teal); color: var(--ink); box-shadow: 0 10px 24px rgba(30, 200, 200, 0.25); }
.btn-ghost { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,0.22); }
.btn-amazon {
  background: linear-gradient(180deg, #ffd814, #ebc012);
  color: #111;
  width: 100%;
  box-shadow: 0 10px 24px rgba(235, 192, 18, 0.25);
}
.btn-amazon:hover { background: linear-gradient(180deg, #ffe566, #f0c929); }
.btn-ghost-dark {
  background: var(--sand);
  color: var(--navy);
  border: 1px solid var(--line);
  width: 100%;
}

.hero-slider {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0,0,0,0.28);
  position: relative;
}
.slider-window { position: relative; }
.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: translateX(28px) scale(0.98);
  pointer-events: none;
  transition: opacity 0.55s ease, transform 0.55s ease;
  display: flex;
  flex-direction: column;
}
.slide.is-active {
  opacity: 1;
  transform: none;
  pointer-events: auto;
  position: relative;
}
.slide-media {
  position: relative;
  display: block;
  min-height: 300px;
  background:
    radial-gradient(circle at 30% 20%, rgba(30,200,200,0.18), transparent 40%),
    linear-gradient(160deg, #16324a, #0b1726);
}
.slide-media img {
  height: 300px;
  width: 100%;
  object-fit: cover;
}
.slide-chip {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(7,17,31,0.78);
  color: var(--teal);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 10px;
  border-radius: 999px;
}
.slide-meta { padding: 16px 18px 18px; }
.slide-meta span {
  color: var(--teal);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.slide-meta strong { display: block; margin: 6px 0 8px; font-size: 22px; font-family: "Syne", sans-serif; }
.slide-meta p { color: #c9d8e4; font-size: 14px; min-height: 3.2em; }
.slide-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 14px; }
.slide-actions .btn { padding: 11px 10px; font-size: 13px; width: 100%; }
.slider-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 0 16px 14px;
}
.slider-arrow {
  width: 36px; height: 36px;
  border: 1px solid rgba(255,255,255,0.16);
  background: rgba(255,255,255,0.08);
  color: #fff;
  border-radius: 50%;
  cursor: pointer;
  font-size: 22px;
  line-height: 1;
}
.slider-dots { display: flex; gap: 7px; flex: 1; justify-content: center; }
.slider-dots button {
  width: 8px; height: 8px; border-radius: 99px; border: 0;
  background: rgba(255,255,255,0.28); cursor: pointer; padding: 0;
  transition: width 0.25s ease, background 0.25s ease;
}
.slider-dots button.is-on { width: 22px; background: var(--teal); }
.slider-progress {
  height: 3px;
  background: rgba(255,255,255,0.08);
}
.slider-progress i {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--teal), var(--gold));
}
.slider-progress i.is-run {
  animation: fillbar 2.2s linear;
}
@keyframes fillbar { from { width: 0; } to { width: 100%; } }

.card-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding: 0 18px 18px;
}
.card-actions .btn { padding: 10px 8px; font-size: 13px; }

/* Sections */
section { padding: 72px 0; }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 20px; margin-bottom: 28px; }
.section-head h2 { font-size: clamp(28px, 3vw, 40px); }
.muted { color: var(--muted); }
.kicker { color: var(--teal-dark); font-weight: 800; font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 8px; }

.cat-grid, .card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.cat-card, .product-card, .guide-card, .info-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(7, 17, 31, 0.04);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.cat-card:hover, .product-card:hover, .guide-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}
.cat-card { padding: 0; }
.cat-card img, .product-card img, .guide-card img { height: 190px; width: 100%; object-fit: cover; }
.cat-card .body, .product-card .body, .guide-card .body { padding: 18px 18px 20px; }
.cat-card h3, .product-card h3 { font-size: 20px; margin-bottom: 6px; }
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.chip {
  font-size: 12px;
  font-weight: 700;
  background: var(--sand);
  color: var(--navy);
  padding: 5px 10px;
  border-radius: 999px;
}

.product-card .price {
  margin-top: 10px;
  font-weight: 800;
  color: var(--navy);
}
.stars { color: var(--gold); letter-spacing: 1px; font-size: 14px; }
.badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--ink);
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 5px 9px;
  border-radius: 999px;
}
.thumb { position: relative; }

/* Why */
.why { background: #fff; }
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.why-item {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--sand);
}
.why-item b { display: block; font-family: "Syne", sans-serif; font-size: 18px; margin: 8px 0 6px; }

/* Product page */
.crumb { font-size: 13px; color: var(--muted); padding: 22px 0 0; }
.crumb a { color: var(--teal-dark); }
.product-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  padding: 28px 0 20px;
  align-items: start;
}
.gallery {
  background: #fff;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--line);
}
.gallery img { height: 460px; width: 100%; object-fit: cover; }
.buy-box {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 28px;
  position: sticky;
  top: 98px;
}
.buy-box h1 { font-size: clamp(28px, 3vw, 40px); margin: 8px 0 10px; }
.prose { background: #fff; border: 1px solid var(--line); border-radius: 24px; padding: 36px; margin: 12px 0 40px; }
.prose h2 { font-size: 28px; margin: 28px 0 12px; }
.prose h3 { font-size: 20px; margin: 22px 0 8px; }
.prose p { margin-bottom: 14px; color: #243140; }
.prose ul, .prose ol { margin: 0 0 16px 20px; }
.prose li { margin-bottom: 6px; }
.specs {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 8px 16px;
  background: var(--sand);
  padding: 16px;
  border-radius: 14px;
  margin: 16px 0 24px;
}
.specs dt { font-weight: 800; color: var(--navy); }
.proscons { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 18px 0; }
.pros, .cons { border-radius: 14px; padding: 16px 18px; }
.pros { background: #ecfdf5; }
.cons { background: #fff1f2; }
.verdict {
  background: var(--navy);
  color: #fff;
  padding: 22px;
  border-radius: 16px;
  margin-top: 20px;
}

/* Category banner */
.page-hero {
  background: var(--navy);
  color: #fff;
  padding: 54px 0 42px;
}
.page-hero h1 { font-size: clamp(32px, 4vw, 52px); margin: 10px 0; }
.page-hero p { color: #c9d8e4; max-width: 62ch; }

/* Footer */
.footer {
  background: var(--ink);
  color: #c5d3de;
  padding: 48px 0 20px;
  margin-top: 20px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 28px;
  margin-bottom: 28px;
}
.footer h4 { color: #fff; font-family: "Syne", sans-serif; margin-bottom: 12px; }
.footer a { display: block; padding: 4px 0; color: #b7c6d2; }
.footer a:hover { color: var(--teal); }
.legal { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 16px; font-size: 13px; color: #8ea0ae; }

/* Forms */
.form { display: grid; gap: 12px; max-width: 560px; }
.form input, .form textarea, .form select {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 12px;
  padding: 12px 14px;
}
.form textarea { min-height: 140px; resize: vertical; }

/* Reveal */
.reveal { opacity: 0; transform: translateY(18px); animation: rise 0.7s ease forwards; }
.d1 { animation-delay: 0.08s; }
.d2 { animation-delay: 0.16s; }
.d3 { animation-delay: 0.24s; }
.d4 { animation-delay: 0.32s; }
@keyframes rise { to { opacity: 1; transform: none; } }

.search-bar {
  display: flex;
  background: #fff;
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid var(--line);
  margin: 18px 0 8px;
}
.search-bar input { flex: 1; border: 0; padding: 12px 16px; outline: none; }
.search-bar button { border: 0; background: var(--navy); color: #fff; padding: 0 18px; font-weight: 700; cursor: pointer; }

.related { margin: 10px 0 50px; }

.note {
  background: #fff8e1;
  border: 1px solid #f1e0a6;
  color: #5c4b12;
  padding: 12px 14px;
  border-radius: 12px;
  font-size: 14px;
  margin: 12px 0 18px;
}

.contact-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 28px; align-items: start; }

@media (max-width: 960px) {
  .hero-grid, .product-hero, .cat-grid, .card-grid, .footer-grid, .why-grid, .proscons, .contact-grid {
    grid-template-columns: 1fr;
  }
  .nav { display: none; }
  .nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: calc(var(--header) + 32px);
    left: 20px; right: 20px;
    background: #10263b;
    padding: 12px;
    border-radius: 16px;
    border: 1px solid rgba(255,255,255,0.08);
    max-height: 70vh;
    overflow: auto;
    z-index: 60;
  }
  .burger { display: block; }
  .nav-drop-menu { position: static; display: grid; box-shadow: none; border: 0; padding: 0 0 0 8px; }
  .slider-window { min-height: 0; }
  .slide-media img { height: 220px; }
  .slide-actions { grid-template-columns: 1fr; }
  .buy-box { position: static; }
  .gallery img { height: 260px; }
  .header-inner { position: relative; }
}
