@import url('https://fonts.googleapis.com/css2?family=Hind+Siliguri:wght@400;500;600;700&family=Plus+Jakarta+Sans:wght@400;600;700;800&display=swap');

:root {
  --primary: #10b981;
  --primary-hover: #059669;
  --bg-dark: #090d16;
  --bg-card: #131c2e;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --border: #1e293b;
}

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

body {
  font-family: 'Hind Siliguri', 'Plus Jakarta Sans', system-ui, sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(9, 13, 22, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  text-decoration: none;
  letter-spacing: -0.5px;
}

.brand span.green {
  color: var(--primary);
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: #fff;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  padding: 0.65rem 1.35rem;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: background 0.2s, transform 0.15s;
}

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
}

.btn-whatsapp {
  background: #25d366;
  color: #fff;
  padding: 0.65rem 1.25rem;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: transform 0.15s;
}

.btn-whatsapp:hover {
  transform: translateY(-2px);
}

.hero {
  padding: 4.5rem 0 3.5rem;
  text-align: center;
}

.badge {
  display: inline-block;
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 0.4rem 1.1rem;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 1rem;
}

.hero h1 span.highlight {
  color: var(--primary);
  background: linear-gradient(135deg, #34d399, #10b981);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 650px;
  margin: 0 auto 2.5rem;
}

.countdown-box {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.time-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 1rem 1.5rem;
  border-radius: 12px;
  min-width: 95px;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.time-card .number {
  font-size: 2.2rem;
  font-weight: 800;
  color: #fff;
  display: block;
  font-family: 'Plus Jakarta Sans', monospace;
}

.time-card .label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.notify-form {
  max-width: 500px;
  margin: 0 auto;
  display: flex;
  gap: 0.5rem;
  background: var(--bg-card);
  padding: 0.4rem;
  border: 1px solid var(--border);
  border-radius: 12px;
}

.notify-form input {
  flex: 1;
  background: transparent;
  border: none;
  padding: 0.75rem 1rem;
  color: #fff;
  font-size: 0.95rem;
  outline: none;
}

.notify-form input::placeholder {
  color: #64748b;
}

.offer-banner {
  background: linear-gradient(90deg, #10b981 0%, #047857 100%);
  border-radius: 14px;
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 2rem 0;
  flex-wrap: wrap;
  gap: 1rem;
}

.offer-banner h3 {
  font-size: 1.3rem;
  color: #fff;
}

.offer-banner p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.95rem;
}

.section-title {
  text-align: center;
  margin-bottom: 2.5rem;
}

.section-title h2 {
  font-size: 2rem;
  font-weight: 700;
}

.section-title p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.category-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  transition: transform 0.2s, border-color 0.2s;
}

.category-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
}

.card-content {
  padding: 1.5rem;
}

.card-content h3 {
  font-size: 1.15rem;
  margin-bottom: 0.6rem;
  color: #fff;
}

.card-content ul {
  list-style: none;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.card-content ul li {
  padding: 0.3rem 0;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.05);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin: 2.5rem 0;
}

.feature-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.5rem;
  text-align: center;
}

.feature-box .icon {
  font-size: 2.2rem;
  margin-bottom: 0.75rem;
}

.feature-box h4 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

.feature-box p {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.footer {
  border-top: 1px solid var(--border);
  padding: 3rem 0;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.95rem;
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .countdown-box {
    gap: 0.5rem;
  }
  .time-card {
    min-width: 70px;
    padding: 0.75rem 0.5rem;
  }
  .time-card .number {
    font-size: 1.6rem;
  }
  .offer-banner {
    flex-direction: column;
    text-align: center;
  }
  .notify-form {
    flex-direction: column;
  }
  .notify-form .btn-primary {
    width: 100%;
    justify-content: center;
  }
}