:root {
  color-scheme: light dark;
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --bg: #0b1220;
  --bg-accent: #111c33;
  --surface: #ffffff;
  --surface-alt: #f3f5f9;
  --surface-dark: #101826f5;
  --text-primary: #0f172a;
  --text-muted: #5b6473;
  --text-inverse: #f8fafc;
  --accent: #2563eb;
  --accent-dark: #1d4ed8;
  --shadow-lg: 0 45px 80px -45px rgba(15, 23, 42, 0.6);
  --shadow-card: 0 24px 50px -30px rgba(15, 23, 42, 0.5);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 16px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --surface: #152036;
    --surface-alt: #111c33;
    --text-primary: #f4f7fb;
    --text-muted: #9caecb;
  }
}

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

body {
  margin: 0;
  background: radial-gradient(circle at 10% -20%, rgba(37, 99, 235, 0.38), transparent 55%),
              radial-gradient(circle at 90% -30%, rgba(236, 72, 153, 0.3), transparent 60%),
              linear-gradient(160deg, var(--bg) 0%, var(--bg-accent) 70%);
  color: var(--text-inverse);
  font-size: 16px;
  line-height: 1.6;
}

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

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.container {
  width: min(1120px, 92vw);
  margin-inline: auto;
}

.hero {
  padding: 28px 0 96px;
}

.hero__nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 48px;
}

.brand {
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.04em;
  padding: 10px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 12px 26px -18px rgba(15, 23, 42, 0.65);
}

.nav {
  display: flex;
  gap: 20px;
  align-items: center;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav a {
  font-weight: 500;
  color: rgba(243, 244, 246, 0.85);
  padding: 8px 12px;
  border-radius: 999px;
}

.nav a:hover,
.nav a:focus-visible {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

.nav__cta {
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.nav__toggle {
  display: none;
  background: transparent;
  border: 0;
  padding: 10px;
  margin-left: auto;
  cursor: pointer;
}

.nav__toggle-line {
  display: block;
  width: 20px;
  height: 2px;
  margin: 4px 0;
  background: #f8fafc;
  border-radius: 999px;
}

.hero__content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 56px;
  align-items: center;
  padding: 52px;
  background: linear-gradient(132deg, rgba(15, 23, 42, 0.9) 0%, rgba(15, 23, 42, 0.65) 55%, rgba(59, 130, 246, 0.35) 100%);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(18px);
}

.hero__text {
  max-width: 520px;
}

.hero__eyebrow {
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(148, 163, 184, 0.9);
  margin-bottom: 18px;
}

.hero h1 {
  font-size: clamp(2.6rem, 3.8vw + 1rem, 3.8rem);
  margin: 0 0 18px;
}

.hero__subtitle {
  font-size: 1.1rem;
  margin-bottom: 32px;
  color: rgba(226, 232, 240, 0.85);
}

.hero__cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 24px;
  border-radius: 999px;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn--primary {
  background: linear-gradient(135deg, var(--accent) 0%, #38bdf8 100%);
  color: #ffffff;
  box-shadow: 0 22px 40px -25px rgba(37, 99, 235, 0.9);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 26px 46px -25px rgba(37, 99, 235, 0.95);
  color: #ffffff;
}

.btn--ghost {
  border: 1px solid rgba(148, 163, 184, 0.45);
  color: rgba(226, 232, 240, 0.85);
  background: rgba(15, 23, 42, 0.45);
}

.btn--ghost:hover,
.btn--ghost:focus-visible {
  border-color: rgba(226, 232, 240, 0.75);
  transform: translateY(-2px);
}

.hero__stats {
  list-style: none;
  padding: 0;
  margin: 0;
  color: rgba(209, 213, 219, 0.85);
}

.hero__stats li {
  margin-bottom: 6px;
  padding-left: 20px;
  position: relative;
}

.hero__stats li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: #93c5fd;
}

.hero__media img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  object-fit: cover;
}

.section {
  padding: 96px 0;
  background: var(--surface-alt);
  color: var(--text-primary);
}

.section:nth-of-type(odd) {
  background: var(--surface);
}

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

.section h2 {
  margin: 0 0 16px;
  text-align: center;
  font-size: clamp(2rem, 2.2vw + 1rem, 2.4rem);
  color: var(--text-primary);
}

.section__intro {
  max-width: 640px;
  margin: 0 auto 36px;
  text-align: center;
  color: var(--text-muted);
}

.grid {
  display: grid;
  gap: 28px;
}

.grid--3 {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-card);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 32px 64px -38px rgba(30, 41, 59, 0.55);
}

.card h3 {
  margin-top: 0;
  margin-bottom: 12px;
  color: var(--text-primary);
}

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

.steps {
  counter-reset: step;
  display: grid;
  gap: 20px;
  padding-left: 0;
  list-style: none;
}

.steps li {
  position: relative;
  padding: 24px 24px 24px 64px;
  background: #ffffff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  color: var(--text-muted);
}

.steps li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 24px;
  top: 24px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent) 0%, #38bdf8 100%);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 700;
  box-shadow: 0 16px 30px -25px rgba(37, 99, 235, 0.9);
}

.steps strong {
  color: var(--text-primary);
}

.video-embed {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.video-embed iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.list {
  color: var(--text-muted);
  padding-left: 20px;
}

.list li {
  margin-bottom: 10px;
}

.form-embed {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 18px;
  box-shadow: var(--shadow-card);
}

.form-embed iframe {
  width: 100%;
  min-height: 620px;
  border: 0;
  border-radius: var(--radius-md);
}

.footer {
  background: rgba(10, 15, 28, 0.92);
  color: rgba(226, 232, 240, 0.82);
  padding: 40px 0;
}

.footer__content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  align-items: center;
}

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

.footer__nav a {
  color: rgba(226, 232, 240, 0.7);
}

.footer__nav a:hover {
  color: #ffffff;
}

.footer__meta {
  text-align: right;
  font-size: 0.9rem;
}

.footer__tagline {
  margin: 6px 0 0;
  color: rgba(226, 232, 240, 0.65);
}

@media (prefers-color-scheme: dark) {
  .section,
  .section--alt {
    background: var(--surface-alt);
  }

  .card,
  .steps li,
  .form-embed {
    background: var(--surface);
  }
}

@media (max-width: 960px) {
  .nav {
    position: absolute;
    top: 78px;
    right: 4vw;
    background: rgba(12, 18, 32, 0.94);
    border-radius: var(--radius-md);
    padding: 18px 20px;
    flex-direction: column;
    align-items: flex-start;
    box-shadow: var(--shadow-card);
    transform: translateY(-20px);
    opacity: 0;
    pointer-events: none;
  }

  .nav--open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav__toggle {
    display: block;
  }
}

@media (max-width: 720px) {
  .hero {
    padding-bottom: 72px;
  }

  .hero__content {
    padding: 36px;
  }

  .footer__meta {
    text-align: left;
  }
}