:root {
  --midnight: #1a1030;
  --midnight-2: #241640;
  --pearl: #f2f0ff;
  --pearl-soft: #e6e2ff;
  --mint: #4dffc3;
  --mint-dim: #35d9a3;
  --lavender: #a89cff;
  --coral: #ff7a8a;
  --ink: #1a1030;
  --muted: #6a6488;
  --line: rgba(168, 156, 255, 0.28);
  --glass: rgba(255, 255, 255, 0.06);
  --glass-2: rgba(255, 255, 255, 0.10);
  --radius: 24px;
  --radius-chip: 4px;
  --radius-pill: 999px;
  --shadow: 0 20px 60px rgba(26, 16, 48, 0.35);
  --glow: 0 0 40px rgba(77, 255, 195, 0.35);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Sora', -apple-system, sans-serif;
  background: var(--midnight);
  color: var(--pearl);
  line-height: 1.65;
  font-size: 16px;
  font-weight: 300;
  position: relative;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed; inset: 0;
  background:
    radial-gradient(900px 500px at 15% -10%, rgba(168,156,255,0.18), transparent 60%),
    radial-gradient(700px 400px at 90% 10%, rgba(77,255,195,0.12), transparent 60%),
    radial-gradient(800px 500px at 50% 110%, rgba(255,122,138,0.10), transparent 60%);
  pointer-events: none;
  z-index: 0;
}

body::after {
  content: "";
  position: fixed; inset: 0;
  background-image:
    repeating-linear-gradient(0deg, rgba(255,255,255,0.02) 0 1px, transparent 1px 3px);
  pointer-events: none;
  z-index: 0;
  mix-blend-mode: overlay;
}

header, main, footer, section { position: relative; z-index: 1; }

h1, h2, h3 {
  font-family: 'Instrument Serif', Georgia, serif;
  font-weight: 400;
  color: var(--pearl);
  line-height: 1.15;
  letter-spacing: 0.005em;
}

h1 { font-size: clamp(2.4rem, 6vw, 4.4rem); }
h2 { font-size: clamp(1.8rem, 3.6vw, 2.8rem); }
h3 { font-size: 1.5rem; }
h4 {
  font-family: 'Sora', sans-serif;
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

a { color: var(--mint); text-decoration: none; transition: color 0.25s ease; }
a:hover { color: var(--pearl); }

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

.container { max-width: 1220px; margin: 0 auto; padding: 0 28px; }

/* ---------- Header ---------- */
header {
  background: rgba(26, 16, 48, 0.72);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 100;
}

.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 0;
  gap: 24px;
}

.logo {
  font-family: 'Instrument Serif', serif;
  font-size: 1.6rem;
  color: var(--pearl);
  letter-spacing: 0.01em;
  display: flex; align-items: center; gap: 12px;
}

.logo-mark {
  width: 34px; height: 34px;
  background: linear-gradient(135deg, var(--mint) 0%, var(--lavender) 100%);
  border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--midnight); font-size: 1rem;
  font-weight: 700;
  box-shadow: var(--glow);
}

.nav-links { display: flex; gap: 28px; list-style: none; align-items: center; }
.nav-links a {
  color: var(--pearl-soft); font-size: 0.9rem; font-weight: 400;
  letter-spacing: 0.03em; position: relative;
  padding: 6px 0;
}
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 0; height: 1px; background: var(--mint);
  transition: width 0.3s ease;
}
.nav-links a:hover::after { width: 100%; }
.nav-links a:hover { color: var(--mint); }

.lang-switch {
  display: flex; gap: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  overflow: hidden;
  background: var(--glass);
  backdrop-filter: blur(8px);
}
.lang-switch button {
  background: none; border: none; cursor: pointer;
  padding: 7px 14px; font-family: 'Sora', sans-serif;
  font-size: 0.78rem; font-weight: 500; color: var(--pearl-soft);
  letter-spacing: 0.08em;
}
.lang-switch button.active {
  background: var(--mint); color: var(--midnight);
  font-weight: 600;
}

.cart-link {
  position: relative;
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--pearl); font-weight: 400; font-size: 0.9rem;
  letter-spacing: 0.03em;
}
.cart-count {
  background: var(--mint); color: var(--midnight);
  font-size: 0.72rem; border-radius: 50%;
  width: 20px; height: 20px;
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 700;
}

.burger {
  display: none; background: none; border: none;
  font-size: 1.4rem; cursor: pointer; color: var(--pearl);
}

/* ---------- Hero ---------- */
.hero {
  padding: 100px 0 80px;
  position: relative;
}
.hero-grid {
  display: grid; grid-template-columns: 1.1fr 1fr;
  gap: 70px; align-items: center;
}
.hero-label {
  display: inline-block;
  font-size: 0.72rem; letter-spacing: 0.24em;
  text-transform: uppercase; color: var(--mint);
  font-weight: 500; margin-bottom: 24px;
  padding: 7px 16px;
  border: 1px solid var(--mint);
  border-radius: var(--radius-pill);
  background: rgba(77, 255, 195, 0.06);
}
.hero h1 { margin-bottom: 26px; }
.hero h1 em {
  font-style: italic;
  background: linear-gradient(120deg, var(--mint) 0%, var(--lavender) 60%, var(--coral) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero p {
  color: var(--pearl-soft); font-size: 1.05rem;
  margin-bottom: 36px; max-width: 520px;
  opacity: 0.85;
}

.hero-img {
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 40px;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}
.hero-img::before {
  content: ""; position: absolute;
  top: -60px; right: -60px;
  width: 220px; height: 220px;
  background: radial-gradient(circle, rgba(77,255,195,0.28), transparent 70%);
  border-radius: 50%;
}
.hero-img::after {
  content: ""; position: absolute;
  bottom: -70px; left: -50px;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(168,156,255,0.30), transparent 70%);
  border-radius: 50%;
}
.hero-img img {
  position: relative; z-index: 1;
  border-radius: 16px;
  filter: drop-shadow(0 20px 40px rgba(77,255,195,0.15));
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 15px 34px;
  background: var(--mint);
  color: var(--midnight);
  border: none;
  border-radius: var(--radius-pill);
  font-family: 'Sora', sans-serif;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
  letter-spacing: 0.02em;
  box-shadow: 0 0 0 rgba(77,255,195,0);
}
.btn:hover {
  background: var(--pearl);
  color: var(--midnight);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(77,255,195,0.35);
}
.btn-outline {
  background: transparent; color: var(--pearl);
  border: 1px solid var(--line);
  box-shadow: none;
}
.btn-outline:hover {
  background: var(--glass-2); color: var(--mint);
  border-color: var(--mint);
  box-shadow: 0 0 30px rgba(77,255,195,0.20);
}

/* ---------- Sections ---------- */
section { padding: 90px 0; }
.section-title { text-align: center; margin-bottom: 60px; }
.section-title h2 { margin-bottom: 14px; }
.section-title p { color: var(--pearl-soft); opacity: 0.75; font-size: 1rem; }

/* ---------- Product card ---------- */
.product-card {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 60px; align-items: center;
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 50px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
}
.product-img {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 30px;
  text-align: center;
}
.product-info h3 { font-size: 2rem; margin-bottom: 10px; }
.price {
  font-family: 'Instrument Serif', serif;
  font-size: 2.4rem; color: var(--mint);
  margin: 20px 0 28px;
  letter-spacing: 0.01em;
}
.price small {
  font-size: 0.9rem; color: var(--pearl-soft);
  font-family: 'Sora', sans-serif;
  opacity: 0.7;
  margin-left: 8px;
}

/* ---------- Features ---------- */
.features {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature {
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 40px 28px;
  text-align: center;
  transition: all 0.35s ease;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.feature:hover {
  transform: translateY(-6px);
  border-color: var(--mint);
  box-shadow: 0 20px 50px rgba(77,255,195,0.15);
}
.feature-icon {
  width: 58px; height: 58px;
  background: linear-gradient(135deg, rgba(77,255,195,0.20) 0%, rgba(168,156,255,0.20) 100%);
  border: 1px solid var(--line);
  border-radius: 50%;
  margin: 0 auto 22px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; color: var(--mint);
}
.feature h4 { margin-bottom: 12px; color: var(--mint); }
.feature p { color: var(--pearl-soft); font-size: 0.94rem; opacity: 0.8; }

/* ---------- Reviews ---------- */
.reviews { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.review {
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 34px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  position: relative;
}
.review::before {
  content: "C";
  font-family: 'Instrument Serif', serif;
  font-size: 4rem;
  line-height: 0.5;
  color: var(--mint);
  opacity: 0.5;
  display: block;
  margin-bottom: 12px;
}
.review p {
  font-style: italic; color: var(--pearl);
  margin-bottom: 18px; font-size: 1rem;
  opacity: 0.92;
}
.review-author {
  font-weight: 500; color: var(--mint);
  font-size: 0.85rem; letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ---------- Forms ---------- */
.form-card {
  max-width: 580px; margin: 0 auto;
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 46px;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}
.form-group { margin-bottom: 22px; }
.form-group label {
  display: block; margin-bottom: 8px;
  font-size: 0.82rem; font-weight: 500;
  color: var(--mint);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255,255,255,0.04);
  font-family: 'Sora', sans-serif;
  font-size: 0.95rem;
  color: var(--pearl);
  transition: all 0.25s;
  font-weight: 300;
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--pearl-soft);
  opacity: 0.4;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--mint);
  box-shadow: 0 0 0 3px rgba(77,255,195,0.15);
  background: rgba(255,255,255,0.06);
}
.form-group select option { background: var(--midnight-2); color: var(--pearl); }

/* ---------- Cart ---------- */
.cart-table { width: 100%; border-collapse: collapse; margin-bottom: 34px; }
.cart-table th, .cart-table td {
  padding: 18px 14px; text-align: left;
  border-bottom: 1px solid var(--line);
}
.cart-table th {
  font-size: 0.72rem; text-transform: uppercase;
  letter-spacing: 0.14em; color: var(--mint);
  font-weight: 500;
}
.cart-table td { color: var(--pearl); }
.cart-total {
  text-align: right; font-size: 1.15rem;
  margin-bottom: 34px;
  color: var(--pearl-soft);
}
.cart-total strong {
  color: var(--mint);
  font-family: 'Instrument Serif', serif;
  font-size: 1.8rem;
  margin-left: 10px;
}

/* ---------- FAQ ---------- */
.faq-item {
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: 18px;
  margin-bottom: 14px;
  overflow: hidden;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.faq-item.open {
  border-color: var(--mint);
  box-shadow: 0 10px 40px rgba(77,255,195,0.12);
}
.faq-q {
  width: 100%; text-align: left;
  background: none; border: none; cursor: pointer;
  padding: 24px 28px;
  font-family: 'Instrument Serif', serif;
  font-size: 1.15rem;
  color: var(--pearl);
  display: flex; justify-content: space-between; align-items: center;
  letter-spacing: 0.005em;
}
.faq-q::after {
  content: "+";
  font-size: 1.5rem;
  color: var(--mint);
  font-family: 'Sora', sans-serif;
  font-weight: 200;
  transition: transform 0.35s ease;
  line-height: 1;
}
.faq-item.open .faq-q::after {
  content: "\2212";
  transform: rotate(180deg);
}
.faq-a {
  max-height: 0; overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  padding: 0 28px;
  color: var(--pearl-soft);
  opacity: 0.8;
  font-weight: 300;
}
.faq-item.open .faq-a { max-height: 520px; padding-bottom: 24px; }

/* ---------- Legal ---------- */
.legal-content { max-width: 820px; margin: 0 auto; }
.legal-content h2 {
  margin-top: 46px; margin-bottom: 16px;
  font-size: 1.5rem; color: var(--mint);
}
.legal-content p {
  margin-bottom: 16px; color: var(--pearl-soft);
  opacity: 0.82; font-weight: 300;
}
.legal-content ul { margin: 0 0 18px 24px; color: var(--pearl-soft); opacity: 0.82; }
.legal-content li { margin-bottom: 8px; }

/* ---------- Footer ---------- */
footer {
  background: rgba(0, 0, 0, 0.35);
  border-top: 1px solid var(--line);
  padding: 80px 0 0;
  margin-top: 0;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.footer-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 44px;
  padding-bottom: 55px;
}
.footer-grid h4 {
  color: var(--mint);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  margin-bottom: 22px;
  font-weight: 500;
}
.footer-grid p, .footer-grid a, .footer-grid li {
  color: var(--pearl-soft);
  font-size: 0.9rem;
  line-height: 1.95;
  opacity: 0.78;
  font-weight: 300;
}
.footer-grid a:hover { color: var(--mint); opacity: 1; }
.footer-grid ul { list-style: none; }
.footer-brand {
  font-family: 'Instrument Serif', serif;
  font-size: 1.6rem;
  color: var(--pearl);
  margin-bottom: 14px;
  letter-spacing: 0.01em;
}
.cert-badges { display: flex; gap: 8px; margin-top: 22px; flex-wrap: wrap; }
.cert-badges span {
  font-size: 0.66rem;
  padding: 6px 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  color: var(--mint);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: rgba(77,255,195,0.05);
}
.footer-bottom {
  border-top: 1px solid var(--line);
  padding: 26px 0;
  text-align: center;
  font-size: 0.75rem;
  color: var(--pearl-soft);
  opacity: 0.6;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

/* ---------- Thank you ---------- */
.thanks {
  text-align: center;
  padding: 120px 0;
  max-width: 680px;
  margin: 0 auto;
}
.thanks .check {
  width: 92px; height: 92px;
  background: linear-gradient(135deg, var(--mint) 0%, var(--lavender) 100%);
  color: var(--midnight);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 2.6rem;
  margin: 0 auto 36px;
  box-shadow: var(--glow);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 30px rgba(77,255,195,0.35); }
  50% { box-shadow: 0 0 60px rgba(77,255,195,0.55); }
}
.thanks h1 { margin-bottom: 24px; }
.thanks p {
  color: var(--pearl-soft);
  font-size: 1.05rem;
  margin-bottom: 14px;
  opacity: 0.85;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-grid, .product-card { grid-template-columns: 1fr; gap: 40px; }
  .features, .reviews { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
  .nav-links { display: none; }
  .burger { display: block; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: absolute; top: 100%; left: 0; right: 0;
    background: rgba(26, 16, 48, 0.98);
    backdrop-filter: blur(20px);
    padding: 24px;
    border-bottom: 1px solid var(--line);
    gap: 18px;
  }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
  section { padding: 60px 0; }
  .form-card { padding: 28px; }
  .product-card { padding: 28px; }
  .hero { padding: 60px 0 40px; }
  h1 { font-size: 2rem; }
}