:root {
  --bg: #07111f;
  --surface: #101f36;
  --card: #152a49;
  --primary: #00d3a7;
  --primary-dark: #04a383;
  --text: #ebf2ff;
  --muted: #a7b6cf;
  --accent: #ffbf46;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  background:
    radial-gradient(circle at 10% 0%, #16305a 0%, transparent 45%),
    radial-gradient(circle at 90% 10%, #1f245a 0%, transparent 45%),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.container {
  width: min(1100px, 92%);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  background: rgba(7, 17, 31, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  z-index: 20;
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 0;
  gap: 1rem;
}

.brand {
  color: var(--text);
  text-decoration: none;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}

nav {
  display: flex;
  gap: 1.2rem;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
}

nav a:hover {
  color: var(--text);
}

.hero {
  padding: 4.5rem 0 3rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 2rem;
  align-items: center;
}

.eyebrow {
  color: var(--primary);
  font-weight: 700;
  letter-spacing: 1.1px;
  font-size: 0.78rem;
}

h1 {
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  line-height: 1.12;
  margin: 0.35rem 0 1rem;
}

.subtitle {
  color: var(--muted);
  max-width: 52ch;
}

.hero-card,
.product-card,
.offer-wrap,
.contact .container {
  background: linear-gradient(155deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.02));
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 18px;
}

.hero-card {
  padding: 1.4rem;
}

.hero-card p {
  margin-top: 0;
  color: var(--muted);
}

.hero-card h2 {
  margin: 0 0 0.5rem;
}

.hero-card ul {
  padding-left: 1.1rem;
  color: var(--muted);
  margin-bottom: 1.2rem;
}

.price-row {
  display: flex;
  gap: 0.8rem;
  align-items: baseline;
}

.price {
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--accent);
}

.old-price {
  color: var(--muted);
  text-decoration: line-through;
}

.btn {
  display: inline-block;
  padding: 0.72rem 1.05rem;
  background: var(--primary);
  color: #062018;
  text-decoration: none;
  border-radius: 10px;
  border: none;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
  background: var(--primary-dark);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-small {
  padding: 0.5rem 0.8rem;
  font-size: 0.88rem;
}

.hero-actions {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-top: 1.2rem;
}

.products,
.offers,
.contact {
  padding: 2.3rem 0;
}

h2 {
  margin-top: 0;
  font-size: clamp(1.4rem, 2.8vw, 2rem);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.product-card {
  padding: 1.1rem;
}

.product-card p {
  color: var(--muted);
}

.product-card span {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent);
}

.offer-wrap {
  text-align: center;
  padding: 1.7rem;
}

.contact .container {
  padding: 1.7rem;
  text-align: center;
}

.signup-form {
  display: flex;
  justify-content: center;
  gap: 0.7rem;
  flex-wrap: wrap;
  margin-top: 0.8rem;
}

input[type="email"] {
  width: min(390px, 100%);
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(10, 19, 32, 0.8);
  color: var(--text);
  border-radius: 10px;
  padding: 0.72rem 0.8rem;
  font-family: inherit;
}

.status {
  min-height: 1.3rem;
  margin-top: 0.6rem;
  color: var(--primary);
}

.site-footer {
  padding: 1rem 0 1.4rem;
}

.footer-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.footer-wrap a {
  color: var(--muted);
}

@media (max-width: 900px) {
  nav {
    display: none;
  }

  .hero-grid {
    grid-template-columns: 1fr;
  }

  .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .product-grid {
    grid-template-columns: 1fr;
  }

  .footer-wrap {
    flex-direction: column;
    text-align: center;
  }
}