:root {
  --ink: #0f172a;
  --muted: #475569;
  --soft: #f8fbff;
  --line: rgba(15, 23, 42, 0.08);
  --blue: #2563eb;
  --cyan: #06b6d4;
  --pink: #ec4899;
  --white: #ffffff;
  --shadow: 0 24px 80px rgba(15, 23, 42, 0.10);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, Arial, Helvetica, sans-serif;
  background: var(--soft);
  color: var(--ink);
}

.container {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
}

/* NAV */

.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.nav-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 900;
}

.nav-brand img {
  width: 42px;
  height: 42px;
}

.nav-brand span {
  font-size: 18px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 800;
  padding: 10px 14px;
  border-radius: 999px;
  transition: 0.2s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--blue);
  background: #eaf3ff;
}

/* HERO */

.about-hero {
  padding: 95px 0 80px;
  background:
    radial-gradient(circle at 10% 10%, rgba(37, 99, 235, 0.18), transparent 34%),
    radial-gradient(circle at 90% 20%, rgba(236, 72, 153, 0.12), transparent 30%),
    linear-gradient(135deg, #f8fbff 0%, #eef5ff 48%, #ffffff 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  align-items: center;
  gap: 56px;
}

.eyebrow {
  display: inline-flex;
  color: var(--cyan);
  font-size: 14px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.hero-copy h1 {
  font-size: clamp(42px, 6vw, 72px);
  line-height: 1.02;
  letter-spacing: -2px;
  margin: 16px 0 22px;
}

.hero-copy p {
  max-width: 680px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 14px 22px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 900;
}

.btn-primary {
  color: white;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  box-shadow: 0 14px 32px rgba(37, 99, 235, 0.25);
}

.btn-light {
  color: var(--blue);
  background: #eef5ff;
}

.hero-card {
  padding: 34px;
  border-radius: 32px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.card-top-line {
  width: 74px;
  height: 6px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--blue), var(--pink));
  margin-bottom: 20px;
}

.feature-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

.feature-row:first-of-type {
  border-top: 0;
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  background: #eef5ff;
  display: grid;
  place-items: center;
  font-size: 23px;
}

.feature-row strong {
  display: block;
  font-size: 18px;
}

.feature-row span {
  display: block;
  color: var(--muted);
  margin-top: 4px;
}

/* SECTIONS */

.section {
  padding: 84px 0;
}

.section-heading {
  text-align: center;
  max-width: 800px;
}

.section-heading h2,
.split-card h2,
.final-cta h2 {
  font-size: clamp(34px, 4vw, 52px);
  line-height: 1.1;
  letter-spacing: -1px;
  margin: 12px 0;
}

.section-heading p,
.info-card p,
.split-copy p,
.final-cta p {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.75;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.info-card {
  padding: 30px;
  border-radius: 28px;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 22px 70px rgba(15, 23, 42, 0.08);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.info-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 30px 90px rgba(15, 23, 42, 0.12);
}

.small-icon {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  background: linear-gradient(135deg, #eef5ff, #fff0f7);
  font-size: 25px;
  margin-bottom: 18px;
}

.info-card h3 {
  font-size: 23px;
  margin: 0 0 12px;
}

.soft-section {
  background: #ffffff;
}

.split-card {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 42px;
  align-items: start;
  padding: 44px;
  border-radius: 34px;
  background:
    radial-gradient(circle at top left, rgba(37, 99, 235, 0.13), transparent 30%),
    radial-gradient(circle at bottom right, rgba(236, 72, 153, 0.10), transparent 28%),
    #f8fbff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.final-cta {
  text-align: center;
  padding: 58px 28px;
  border-radius: 34px;
  background:
    radial-gradient(circle at top left, rgba(37, 99, 235, 0.15), transparent 30%),
    radial-gradient(circle at bottom right, rgba(236, 72, 153, 0.12), transparent 30%),
    #ffffff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.final-cta p {
  max-width: 660px;
  margin: 0 auto;
}

.centered {
  justify-content: center;
}

/* FOOTER */

.site-footer {
  background: #ffffff;
  border-top: 1px solid var(--line);
  padding: 34px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-links a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 800;
}

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

/* RESPONSIVE */

@media (max-width: 900px) {
  .nav-inner,
  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .nav-links,
  .footer-links {
    justify-content: center;
  }

  .hero-grid,
  .cards-grid,
  .split-card {
    grid-template-columns: 1fr;
  }

  .about-hero {
    padding: 70px 0 56px;
    text-align: center;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-card {
    text-align: left;
  }
}

@media (max-width: 560px) {
  .container {
    width: min(100% - 26px, 1160px);
  }

  .nav-brand span {
    font-size: 16px;
  }

  .nav-links a {
    padding: 9px 10px;
    font-size: 14px;
  }

  .hero-copy h1 {
    font-size: 38px;
  }

  .hero-copy p {
    font-size: 16px;
  }

  .hero-card,
  .info-card,
  .split-card,
  .final-cta {
    border-radius: 24px;
    padding: 24px;
  }

  .section {
    padding: 60px 0;
  }
}