/* ===== Reset & Base ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --emerald-600: #059669;
  --emerald-500: #10b981;
  --teal-600: #0d9488;
  --teal-500: #14b8a6;
  --slate-900: #0f172a;
  --slate-800: #1e293b;
  --slate-600: #475569;
  --slate-400: #94a3b8;
  --slate-200: #e2e8f0;
  --slate-100: #f1f5f9;
  --slate-50: #f8fafc;
  --white: #ffffff;
  --gradient: linear-gradient(135deg, var(--emerald-500), var(--emerald-600), var(--teal-600));
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--slate-800);
  line-height: 1.6;
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

a {
  color: inherit;
  text-decoration: none;
}

ul { list-style: none; }
address { font-style: normal; }

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--slate-200);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--gradient);
  color: var(--white);
  font-weight: 800;
  font-size: 14px;
  border-radius: 8px;
  letter-spacing: -0.5px;
}

.logo-icon-sm {
  width: 32px;
  height: 32px;
  font-size: 12px;
}

.logo-text {
  font-weight: 700;
  font-size: 16px;
  color: var(--slate-900);
  letter-spacing: -0.3px;
}

.nav {
  display: flex;
  gap: 32px;
}

.nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--slate-600);
  transition: color 0.2s;
}

.nav a:hover {
  color: var(--emerald-600);
}

/* ===== Hero ===== */
.hero {
  padding: 140px 0 80px;
  text-align: center;
  background: linear-gradient(180deg, var(--slate-50) 0%, var(--white) 100%);
}

.hero h1 {
  font-size: 48px;
  font-weight: 800;
  color: var(--slate-900);
  letter-spacing: -1px;
  margin-bottom: 16px;
}

.hero-tagline {
  font-size: 20px;
  color: var(--slate-600);
  max-width: 560px;
  margin: 0 auto 32px;
  line-height: 1.5;
}

.hero-badges {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.badge {
  display: inline-block;
  padding: 6px 16px;
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  color: var(--slate-600);
}

/* ===== Sections ===== */
.section {
  padding: 80px 0;
}

.section-alt {
  background: var(--slate-50);
}

.section-title {
  text-align: center;
  font-size: 32px;
  font-weight: 700;
  color: var(--slate-900);
  margin-bottom: 48px;
  letter-spacing: -0.5px;
}

/* ===== About Grid ===== */
.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.about-card {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: 12px;
  padding: 32px;
  transition: box-shadow 0.2s;
}

.about-card:hover {
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
}

.about-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--emerald-500), var(--teal-600));
  border-radius: 10px;
  color: var(--white);
  margin-bottom: 16px;
}

.about-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--slate-900);
  margin-bottom: 8px;
}

.about-card p {
  font-size: 14px;
  color: var(--slate-600);
  line-height: 1.6;
}

/* ===== Product Card ===== */
.product-card {
  display: flex;
  gap: 40px;
  align-items: flex-start;
  background: var(--slate-50);
  border: 1px solid var(--slate-200);
  border-radius: 16px;
  padding: 48px;
  max-width: 800px;
  margin: 0 auto;
}

.product-logo {
  flex-shrink: 0;
}

.product-info h3 {
  font-size: 24px;
  font-weight: 700;
  color: var(--slate-900);
  margin-bottom: 12px;
}

.product-info p {
  font-size: 15px;
  color: var(--slate-600);
  line-height: 1.6;
  margin-bottom: 16px;
}

.product-features {
  margin-bottom: 24px;
}

.product-features li {
  font-size: 14px;
  color: var(--slate-600);
  padding: 4px 0;
  padding-left: 20px;
  position: relative;
}

.product-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 8px;
  background: var(--emerald-500);
  border-radius: 50%;
}

.btn {
  display: inline-block;
  padding: 12px 28px;
  background: var(--gradient);
  color: var(--white);
  font-size: 14px;
  font-weight: 600;
  border-radius: 8px;
  transition: opacity 0.2s, transform 0.2s;
}

.btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

/* ===== Footer ===== */
.footer {
  background: var(--slate-900);
  color: var(--slate-400);
  padding: 48px 0 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.footer-logo .logo-text {
  color: var(--white);
  font-size: 14px;
}

.footer-description {
  font-size: 14px;
  line-height: 1.5;
}

.footer-address h4,
.footer-links h4 {
  font-size: 13px;
  font-weight: 600;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}

.footer-address address {
  font-size: 14px;
  line-height: 1.7;
}

.footer-links li {
  margin-bottom: 8px;
}

.footer-links a {
  font-size: 14px;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--emerald-500);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  padding: 20px 0;
  font-size: 13px;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 32px;
  }

  .hero-tagline {
    font-size: 17px;
  }

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

  .product-card {
    flex-direction: column;
    padding: 32px;
    gap: 24px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 4px;
    text-align: center;
  }

  .nav {
    gap: 20px;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 120px 0 60px;
  }

  .hero h1 {
    font-size: 28px;
  }

  .section {
    padding: 60px 0;
  }

  .section-title {
    font-size: 26px;
  }

  .nav a {
    font-size: 13px;
  }
}