:root {
  --primary: #229ef5;
  --primary-dark: #1177c8;
  --text: #1d2630;
  --muted: #5d6b79;
  --bg: #ffffff;
  --surface: #f3f8fd;
  --border: #dbe7f3;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(7, 42, 77, 0.12);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

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

a {
  color: inherit;
}

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

.section {
  padding: 4.5rem 0;
}

.section h2 {
  margin: 0 0 0.8rem;
  font-size: clamp(1.65rem, 1.2rem + 2vw, 2.2rem);
  line-height: 1.2;
}

.section-intro {
  margin: 0 0 1.8rem;
  color: var(--muted);
  max-width: 72ch;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.6rem 0;
}

.brand img {
  width: 170px;
  height: auto;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.9rem;
  justify-content: flex-end;
}

nav a {
  text-decoration: none;
  color: #345;
  font-weight: 700;
  font-size: 0.95rem;
}

nav a:hover,
nav a:focus-visible {
  color: var(--primary-dark);
}

.hero {
  position: relative;
  min-height: 78vh;
  display: flex;
  align-items: center;
  color: #fff;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(4, 22, 36, 0.83), rgba(34, 158, 245, 0.38));
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-block: 4rem;
}

.eyebrow {
  display: inline-block;
  margin: 0 0 0.8rem;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: rgba(255, 255, 255, 0.15);
}

.hero h1 {
  margin: 0;
  font-size: clamp(2rem, 1.5rem + 3vw, 3.3rem);
  line-height: 1.1;
  max-width: 16ch;
}

.hero p {
  max-width: 62ch;
  margin: 1rem 0 0;
  font-size: 1.05rem;
}

.hero-badges {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 1.2rem 0 0;
  padding: 0;
}

.hero-badges li {
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 999px;
  padding: 0.35rem 0.75rem;
  font-size: 0.9rem;
}

.btn {
  border: none;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.85rem 1.15rem;
  border-radius: 12px;
  font-weight: 700;
  font-size: 0.98rem;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 10px 20px rgba(34, 158, 245, 0.34);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--primary-dark);
}

.btn-secondary {
  background: #fff;
  color: var(--primary-dark);
  border: 1px solid #b9d8f0;
}

.cta-row {
  margin-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero .cta-row .btn {
  flex: 1 1 240px;
}

.hero .cta-row {
  max-width: 62ch;
}

.center {
  justify-content: center;
}

.grid {
  display: grid;
  gap: 1rem;
}

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

.cards-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card,
.feature,
.note-box {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow);
}

.card {
  overflow: hidden;
}

.card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  max-height: 400px;
  object-fit: cover;
}

.card h3,
.card p {
  margin-inline: 1rem;
}

.card h3 {
  margin-top: 1rem;
  margin-bottom: 0.5rem;
  line-height: 1.25;
}

.card p {
  margin-top: 0;
  margin-bottom: 1.15rem;
  color: var(--muted);
}

.section-highlight {
  background: linear-gradient(to bottom, #eef7ff, #f8fbff);
}

.split {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1rem;
  align-items: start;
}

.note-box {
  padding: 1rem;
}

.note-box h3 {
  margin-top: 0.3rem;
  margin-bottom: 0.6rem;
}

.note-box ul {
  margin: 0;
  padding-left: 1.1rem;
}

.feature {
  padding: 1rem;
  position: relative;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.feature::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), #7dc6ff);
  transform: scaleX(0.3);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.feature:hover,
.feature:focus-within {
  transform: translateY(-5px);
  border-color: #b7daf5;
  box-shadow: 0 16px 32px rgba(15, 80, 132, 0.18);
}

.feature:hover::before,
.feature:focus-within::before {
  transform: scaleX(1);
}

.feature-head {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 0.45rem;
}

.feature-icon {
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #e8f5ff, #d7ecff);
  border: 1px solid #bddcf5;
  font-size: 1.15rem;
  line-height: 1;
}

.feature h3 {
  margin: 0;
}

.feature p {
  margin: 0;
  color: var(--muted);
}

.section-muted {
  background: var(--surface);
}

.steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.5rem;
}

.steps li {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.85rem 0.9rem;
}

.faq {
  display: grid;
  gap: 0.75rem;
}

.faq details {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.8rem 0.9rem;
  background: #fff;
}

.faq summary {
  font-weight: 700;
  cursor: pointer;
}

.faq p {
  margin-bottom: 0.3rem;
  color: var(--muted);
}

.footer {
  background: #0f1f2c;
  color: #dce9f4;
  padding: 3rem 0 6.2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1rem;
}

.footer h2 {
  margin-top: 0;
  color: #fff;
}

.cta-stack {
  display: grid;
  gap: 0.7rem;
  align-content: start;
}

.copyright {
  text-align: center;
  margin: 2rem 0 0;
  color: #9db0c2;
  font-size: 0.92rem;
}

.mobile-cta {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 120;
  background: rgba(255, 255, 255, 0.97);
  border-top: 1px solid var(--border);
  display: none;
  grid-template-columns: 1fr 1fr;
  gap: 0.55rem;
  padding: 0.6rem;
}

.mobile-cta .btn {
  width: 100%;
  min-height: 44px;
  font-size: 0.92rem;
  padding-block: 0.55rem;
  padding-inline: 0.5rem;
}

@media (max-width: 1024px) {
  .cards-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (max-width: 780px) {
  .section {
    padding: 3.4rem 0;
  }

  .nav-wrap {
    flex-direction: column;
    align-items: flex-start;
  }

  nav {
    width: 100%;
    justify-content: flex-start;
  }

  .hero {
    min-height: 72vh;
  }

  .hero h1 {
    max-width: 100%;
  }

  .hero p {
    font-size: 1rem;
  }

  .cards-3,
  .cards-4 {
    grid-template-columns: 1fr;
  }

  .feature:hover,
  .feature:focus-within {
    transform: none;
  }

  .card img {
    max-height: 200px;
  }

  .mobile-cta {
    display: grid;
  }
}