:root {
  --blue: #0a67c8;
  --blue-dark: #094a96;
  --blue-light: #e7f1ff;
  --text: #1d2433;
  --muted: #6b7280;
  --bg: #f6f8fb;
  --white: #ffffff;
  --border: #e5e7eb;
}

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

body {
  font-family: "Poppins", Arial, sans-serif;
  color: var(--text);
  background: var(--white);
}

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

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.topbar {
  background: var(--blue-dark);
  color: var(--white);
  font-size: 12px;
  padding: 8px 0;
}

.topbar .bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.topbar .left,
.topbar .right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.topbar .social a {
  opacity: 0.9;
}

.header {
  border-bottom: 1px solid var(--border);
  background: var(--white);
  position: sticky;
  top: 0;
  z-index: 10;
}

.header .nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  gap: 16px;
}

.logo {
  font-weight: 700;
  font-size: 20px;
  color: var(--blue);
}

.menu {
  display: flex;
  gap: 18px;
  font-weight: 500;
  font-size: 14px;
}

.menu a:hover {
  color: var(--blue);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--muted);
}

.account-menu {
  position: relative;
}

.account-menu summary {
  list-style: none;
  cursor: pointer;
  font-weight: 600;
  color: var(--blue);
}

.account-menu summary::-webkit-details-marker {
  display: none;
}

.account-dropdown {
  position: absolute;
  right: 0;
  top: calc(100% + 10px);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  min-width: 140px;
  box-shadow: 0 10px 20px rgba(16, 24, 40, 0.12);
  display: grid;
  gap: 6px;
  padding: 10px;
  z-index: 20;
}

.account-dropdown a {
  font-size: 13px;
  color: var(--text);
  padding: 6px 8px;
  border-radius: 6px;
}

.account-dropdown a:hover {
  background: var(--blue-light);
  color: var(--blue);
}

.hero {
  background: linear-gradient(120deg, rgba(249, 251, 255, 0.88) 0%, rgba(238, 244, 255, 0.9) 100%), url("images/banner.webp");
  background-size: cover;
  background-position: center;
  padding: 60px 0 40px;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 30px;
  align-items: center;
}

.hero h1 {
  font-size: 40px;
  line-height: 1.2;
  margin-bottom: 16px;
}

.hero p {
  color: var(--muted);
  margin-bottom: 20px;
  font-size: 15px;
}

.cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  background: var(--blue);
  color: var(--white);
  padding: 12px 22px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn.secondary {
  background: var(--white);
  border: 1px solid var(--blue);
  color: var(--blue);
}

.hero-card {
  background: var(--white);
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 12px 28px rgba(16, 24, 40, 0.12);
  display: grid;
  gap: 18px;
}

.hero-card .stat {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  background: #f5c84c;
  border-radius: 8px;
  font-size: 14px;
  color: #1d2433;
}

.section {
  padding: 60px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 36px;
}

.section-title h2 {
  font-size: 28px;
  margin-bottom: 10px;
}

.section-title p {
  color: var(--muted);
  font-size: 14px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.feature {
  background: var(--white);
  border: 1px solid var(--border);
  padding: 20px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 14px 24px rgba(15, 23, 42, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.7);
  transform: translateY(0);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  will-change: transform;
}

.feature:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: 0 22px 36px rgba(15, 23, 42, 0.18), inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.feature .icon {
  width: 48px;
  height: 48px;
  background: var(--blue-light);
  color: var(--blue);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  font-weight: 700;
}

.feature h4 {
  font-size: 15px;
  margin-bottom: 8px;
}

.feature p {
  font-size: 13px;
  color: var(--muted);
}

.highlight {
  background: var(--bg);
  padding: 40px;
  border-radius: 12px;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 24px;
  align-items: center;
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.15);
}

.highlight ul {
  list-style: none;
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.highlight li {
  background: #f5c84c;
  padding: 12px 16px;
  border-radius: 6px;
  border: 1px solid var(--border);
  font-size: 14px;
  color: #1d2433;
  box-shadow: 0 10px 18px rgba(15, 23, 42, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.6);
  transform: translateY(0);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.highlight li:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 26px rgba(15, 23, 42, 0.16), inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.tag-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
}

.tag {
  background: var(--blue);
  border: 1px solid var(--blue-dark);
  padding: 10px;
  text-align: center;
  border-radius: 6px;
  font-size: 12px;
  color: var(--white);
  box-shadow: 0 10px 18px rgba(15, 23, 42, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.2);
  transform: translateY(0);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.tag:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 18px 30px rgba(15, 23, 42, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.product-card {
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  background: var(--white);
}

.product-card .info {
  padding: 16px;
}

.product-card h4 {
  font-size: 16px;
  margin-bottom: 8px;
}

.product-card p {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 12px;
}

.app-banner {
  background: var(--blue);
  color: var(--white);
  border-radius: 12px;
  padding: 40px;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 24px;
  align-items: center;
}

.app-banner h3 {
  font-size: 26px;
  margin-bottom: 12px;
}

.app-banner p {
  font-size: 14px;
  opacity: 0.9;
}

.logo-wall {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 16px;
  align-items: center;
}

.logo-wall .logo-tile {
  background: var(--white);
  border: 1px solid var(--border);
  padding: 16px;
  border-radius: 8px;
  text-align: center;
  font-size: 12px;
  color: var(--muted);
}

.footer {
  background: #0b1f3a;
  color: var(--white);
  padding: 40px 0 20px;
  margin-top: 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  margin-bottom: 20px;
}

.footer h4 {
  font-size: 15px;
  margin-bottom: 12px;
}

.footer ul {
  list-style: none;
  display: grid;
  gap: 8px;
  font-size: 13px;
  color: #cbd5f1;
}

.footer .bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 16px;
  font-size: 12px;
  color: #cbd5f1;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

@media (max-width: 980px) {
  .hero-grid,
  .highlight,
  .app-banner {
    grid-template-columns: 1fr;
  }

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

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

  .logo-wall {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (max-width: 640px) {
  .container {
    padding: 0 14px;
  }

  .header .nav {
    flex-wrap: wrap;
    row-gap: 10px;
  }

  .logo img {
    height: 44px !important;
  }

  .menu {
    display: flex;
    order: 3;
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 13px;
  }

  .header-actions {
    margin-left: auto;
    font-size: 13px;
  }

  .topbar {
    font-size: 11px;
    padding: 6px 0;
  }

  .hero h1 {
    font-size: 30px;
  }

  .feature-grid,
  .product-grid,
  .tag-grid,
  .logo-wall,
  .footer-grid {
    grid-template-columns: 1fr;
  }
}