:root {
  --navy-900: #0b1526;
  --navy-800: #101f38;
  --navy-700: #16294a;
  --navy-600: #22365c;
  --blue-500: #2f4f7a;
  --blue-200: #cfe0f5;
  --blue-100: #eaf2fc;
  --amber-500: #ff8c42;
  --amber-400: #ffb35c;
  --amber-100: #fff1e0;
  --text-900: #1c2733;
  --text-600: #5c6b7a;
  --text-400: #8a97a6;
  --white: #ffffff;
  --soft-bg: #f6f9fd;
  --border: #e2e9f2;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-lg: 0 24px 60px -18px rgba(11, 21, 38, 0.28);
  --shadow-md: 0 12px 30px -12px rgba(11, 21, 38, 0.22);
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text-900);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

.container-narrow { max-width: 780px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  width: 44px;
  height: auto;
}

.brand-name {
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  color: var(--navy-900);
  white-space: nowrap;
}

.site-nav {
  display: flex;
  gap: 26px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-600);
}

.site-nav a { transition: color 0.2s; }
.site-nav a:hover { color: var(--amber-500); }

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--white);
}

.lang-btn {
  border: 0;
  background: transparent;
  padding: 7px 13px;
  border-radius: 999px;
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-600);
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.lang-btn:hover { color: var(--navy-900); }

.lang-btn.active {
  background: var(--navy-800);
  color: var(--white);
}

.lang-btn.active:hover { color: var(--white); }

.cart-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--white);
  color: var(--navy-700);
  cursor: pointer;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.cart-btn:hover { border-color: var(--amber-400); box-shadow: var(--shadow-md); }

.cart-count {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 20px;
  height: 20px;
  padding: 0 5px;
  border-radius: 10px;
  background: var(--amber-500);
  color: var(--white);
  font-size: 0.72rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.cart-count[hidden],
.modal-backdrop[hidden],
.toast[hidden] {
  display: none;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--navy-900);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  border-radius: 999px;
  font-family: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.2s, background 0.2s;
  text-align: center;
}

.btn:hover { transform: translateY(-1px); }

.btn-primary {
  background: linear-gradient(135deg, var(--amber-400), var(--amber-500));
  color: var(--white);
  box-shadow: 0 10px 24px -10px rgba(255, 140, 66, 0.7);
}

.btn-primary:hover { box-shadow: 0 14px 30px -10px rgba(255, 140, 66, 0.85); }

.btn-ghost {
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
  border: 1.5px solid rgba(255, 255, 255, 0.35);
}

.btn-ghost:hover { background: rgba(255, 255, 255, 0.16); }

.btn-sm { padding: 10px 22px; font-size: 0.9rem; }
.btn-lg { padding: 16px 32px; font-size: 1.05rem; }
.btn-block { width: 100%; padding: 15px 24px; font-size: 1rem; }

/* ---------- Hero ---------- */
.hero {
  background: radial-gradient(1200px 600px at 85% -10%, rgba(255, 140, 66, 0.18), transparent 55%),
              linear-gradient(160deg, var(--navy-900) 0%, var(--navy-700) 100%);
  color: var(--white);
  padding: 72px 0 96px;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--blue-200);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  padding: 8px 16px;
  border-radius: 999px;
  margin: 0 0 22px;
}

.eyebrow-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--amber-400);
  box-shadow: 0 0 0 4px rgba(255, 179, 92, 0.25);
}

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin: 0 0 20px;
}

.hero h1 .accent { color: var(--amber-400); }

.hero-sub {
  font-size: 1.1rem;
  color: var(--blue-200);
  max-width: 46ch;
  margin: 0 0 32px;
}

.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 30px; }

.hero-trust {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  margin: 0;
  padding: 0;
  font-size: 0.92rem;
  color: var(--blue-200);
}

.hero-trust li { position: relative; padding-left: 24px; }
.hero-trust li::before {
  content: "\2713";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--amber-400);
  font-weight: 800;
}

.hero-art { position: relative; }
.hero-svg { width: 100%; height: auto; filter: drop-shadow(0 30px 50px rgba(0, 0, 0, 0.35)); }

/* ---------- Stats ---------- */
.stats {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 34px 0 20px;
  text-align: center;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.stat strong {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--navy-800);
  letter-spacing: -0.02em;
}

.stat span { color: var(--text-600); font-size: 0.92rem; }

.stats-note {
  margin: 18px 0 0;
  font-size: 0.78rem;
  color: var(--text-400);
}

/* ---------- Sections ---------- */
.section { padding: 88px 0; }
.section-dark {
  background: linear-gradient(160deg, var(--navy-900), var(--navy-700));
  color: var(--white);
}
.section-soft { background: var(--soft-bg); }
.section-buy { background: linear-gradient(180deg, var(--white), var(--blue-100)); }

.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 52px;
}

.section-head h2 {
  font-size: clamp(1.8rem, 3.4vw, 2.5rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0 0 14px;
  color: var(--navy-900);
}

.section-dark .section-head h2 { color: var(--white); }

.section-sub { color: var(--text-600); margin: 0; font-size: 1.05rem; }

.kicker {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--amber-500);
  margin: 0 0 14px;
}

/* ---------- Features ---------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px;
  box-shadow: 0 6px 18px -12px rgba(11, 21, 38, 0.12);
  transition: transform 0.2s, box-shadow 0.2s;
}

.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }

.feature-icon {
  width: 58px;
  height: 58px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--amber-500);
  background: var(--amber-100);
  margin-bottom: 20px;
}

.feature-card h3 { margin: 0 0 10px; font-size: 1.15rem; color: var(--navy-900); }
.feature-card p { margin: 0; color: var(--text-600); font-size: 0.97rem; }

/* ---------- Steps ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  counter-reset: steps;
}

.step {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 36px 30px;
  text-align: center;
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--amber-400), var(--amber-500));
  color: var(--white);
  font-weight: 800;
  font-size: 1.15rem;
  margin-bottom: 18px;
}

.step h3 { margin: 0 0 10px; font-size: 1.2rem; }
.step p { margin: 0; color: var(--blue-200); font-size: 0.95rem; }

/* ---------- Comparison table ---------- */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  background: var(--white);
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
  font-size: 0.95rem;
}

.compare-table th,
.compare-table td {
  padding: 16px 20px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.compare-table thead th {
  background: var(--navy-800);
  color: var(--white);
  font-size: 1rem;
}

.compare-table thead small { font-weight: 500; color: var(--blue-200); font-size: 0.8rem; }

.compare-table tbody tr:last-child td { border-bottom: 0; }

.compare-table tbody th {
  font-weight: 600;
  color: var(--text-600);
  background: var(--soft-bg);
}

.compare-table tbody td:first-child { font-weight: 600; color: var(--navy-800); }

.highlight-col {
  background: var(--blue-100);
  font-weight: 600;
  color: var(--navy-800);
}

.check { color: #1c9d67; font-weight: 800; }
.cross { color: #d64545; font-weight: 700; }

/* ---------- Reviews ---------- */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.review-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: 0 6px 18px -12px rgba(11, 21, 38, 0.1);
}

.stars { color: var(--amber-500); letter-spacing: 3px; }

.review-card p {
  margin: 0;
  color: var(--text-600);
  font-size: 0.98rem;
  flex: 1;
}

.review-card footer { display: flex; flex-direction: column; }
.review-card footer strong { color: var(--navy-900); }
.review-card footer span { color: var(--text-400); font-size: 0.85rem; }

.reviews-note {
  text-align: center;
  color: var(--text-400);
  font-size: 0.8rem;
  margin: 28px 0 0;
}

/* ---------- FAQ ---------- */
.faq-list { display: flex; flex-direction: column; gap: 12px; }

.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 18px 22px;
  font-weight: 600;
  color: var(--navy-900);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: "+";
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--amber-500);
  transition: transform 0.2s;
  line-height: 1;
}

.faq-item[open] summary::after { transform: rotate(45deg); }

.faq-body {
  padding: 0 22px 18px;
  color: var(--text-600);
  font-size: 0.97rem;
}

.faq-body p { margin: 0; }

/* ---------- Buy ---------- */
.buy-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  max-width: 860px;
  margin: 0 auto;
}

.product-card {
  position: relative;
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
  box-shadow: var(--shadow-md);
}

.product-card.featured {
  border-color: var(--amber-400);
  box-shadow: 0 24px 60px -18px rgba(255, 140, 66, 0.45);
}

.product-badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--navy-800);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 999px;
  white-space: nowrap;
}

.product-card.featured .product-badge { background: linear-gradient(135deg, var(--amber-400), var(--amber-500)); }

.product-card h3 { margin: 0 0 6px; font-size: 1.4rem; color: var(--navy-900); }

.product-size { margin: 0 0 14px; color: var(--text-400); font-size: 0.9rem; }

.price { margin: 0 0 20px; }
.price strong { font-size: 2.4rem; font-weight: 800; color: var(--navy-900); letter-spacing: -0.02em; }
.price span { color: var(--text-400); }

.product-features {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  color: var(--text-600);
  font-size: 0.95rem;
}

.product-features li { position: relative; padding-left: 26px; }
.product-features li::before {
  content: "\2713";
  position: absolute;
  left: 0;
  color: var(--amber-500);
  font-weight: 800;
}

.buy-note {
  text-align: center;
  color: var(--text-400);
  font-size: 0.85rem;
  max-width: 560px;
  margin: 30px auto 0;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy-900);
  color: var(--blue-200);
  padding: 64px 0 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand img { margin-bottom: 14px; }
.company-name {
  margin: 0 0 10px;
  font-weight: 700;
  color: var(--white);
  font-size: 1rem;
}
.footer-brand p { margin: 0; font-size: 0.95rem; max-width: 30ch; }

.footer-col h4 {
  color: var(--white);
  margin: 0 0 16px;
  font-size: 1rem;
}

.footer-col a {
  display: block;
  margin-bottom: 10px;
  font-size: 0.92rem;
  transition: color 0.2s;
}

.footer-col a:hover { color: var(--amber-400); }

.footer-note { font-size: 0.8rem; color: var(--text-400); }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 24px;
  font-size: 0.82rem;
  color: var(--text-400);
}

.footer-bottom p { margin: 0; }

/* ---------- Modal ---------- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(11, 21, 38, 0.55);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 5vh 16px;
  overflow-y: auto;
}

.modal {
  position: relative;
  background: var(--white);
  border-radius: var(--radius);
  width: min(560px, 100%);
  padding: 36px;
  box-shadow: var(--shadow-lg);
  animation: modalIn 0.25s ease;
}

@keyframes modalIn {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 38px;
  height: 38px;
  border: 0;
  border-radius: 50%;
  background: var(--soft-bg);
  color: var(--text-600);
  font-size: 1.4rem;
  cursor: pointer;
  line-height: 1;
}

.modal-close:hover { background: var(--blue-100); color: var(--navy-900); }

.modal h2 { margin: 0 0 22px; color: var(--navy-900); }

.cart-items { display: flex; flex-direction: column; gap: 12px; margin-bottom: 18px; }

.cart-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
}

.cart-item-info { display: flex; flex-direction: column; }
.cart-item-name { font-weight: 600; color: var(--navy-900); }
.cart-item-price { color: var(--text-400); font-size: 0.85rem; }

.cart-item-controls {
  display: flex;
  align-items: center;
  gap: 10px;
}

.qty-btn {
  width: 30px;
  height: 30px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--white);
  cursor: pointer;
  font-size: 1rem;
  color: var(--navy-800);
  line-height: 1;
}

.qty-btn:hover { border-color: var(--amber-400); }

.cart-total {
  display: flex;
  justify-content: space-between;
  font-weight: 700;
  color: var(--navy-900);
  font-size: 1.15rem;
  border-top: 1px solid var(--border);
  padding-top: 16px;
  margin-bottom: 24px;
}

.modal form h3 { margin: 0 0 16px; font-size: 1.05rem; color: var(--navy-900); }

.modal form label {
  display: block;
  margin-bottom: 14px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-600);
}

.modal form input {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 12px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text-900);
  background: var(--white);
}

.modal form input:focus {
  outline: none;
  border-color: var(--amber-400);
  box-shadow: 0 0 0 4px rgba(255, 179, 92, 0.2);
}

.modal form input.invalid {
  border-color: #d64545;
  box-shadow: 0 0 0 4px rgba(214, 69, 69, 0.15);
}

.form-note {
  font-size: 0.8rem;
  color: var(--text-400);
  margin: 14px 0 0;
  text-align: center;
}

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 120;
  background: var(--navy-800);
  color: var(--white);
  padding: 14px 24px;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  animation: modalIn 0.25s ease;
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero { padding: 56px 0 72px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-art { max-width: 560px; margin: 0 auto; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .features-grid, .reviews-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .buy-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .section { padding: 64px 0; }
  .brand-name { font-size: 0.95rem; }
  .site-nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: center;
    gap: 0;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    padding: 12px 0;
    display: none;
  }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 12px 0; width: 100%; text-align: center; }
  .nav-toggle { display: flex; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; }
}

@media (max-width: 480px) {
  .brand-name { display: none; }
}