:root {
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-dark: #0f172a;
  --color-body: #f8fafc;
  --color-surface: #ffffff;
  --color-muted: #475569;
  --color-border: #e2e8f0;
  --shadow-soft: 0 18px 35px -25px rgba(15, 23, 42, 0.45);
  --shadow-card: 0 22px 45px -30px rgba(15, 23, 42, 0.3);
  --max-width: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", "Roboto", "Segoe UI", sans-serif;
  background: var(--color-body);
  color: var(--color-dark);
  line-height: 1.6;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  border: 0;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 160ms ease;
}

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

.container {
  width: min(var(--max-width), calc(100% - 3rem));
  margin: 0 auto;
}

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-header {
  background: var(--color-dark);
  color: #f8fafc;
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(148, 163, 184, 0.2);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 0;
  gap: 1.75rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  font-weight: 600;
  font-size: 1.125rem;
  color: #f8fafc;
  text-decoration: none;
  letter-spacing: 0.02em;
}

.brand img {
  height: 37px;
  width: auto;
}

.site-nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

.nav-links {
  display: flex;
  align-items: center;
  margin: 0;
  padding: 0;
  gap: 1.75rem;
  list-style: none;
}

.nav-links a {
  color: rgba(248, 250, 252, 0.78);
  font-weight: 500;
  letter-spacing: 0.01em;
}

.nav-links a:hover,
.nav-links a:focus {
  color: #ffffff;
}

.nav-actions {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.4rem;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 600;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease, color 160ms ease, border-color 160ms ease;
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
}

.button-primary {
  background: var(--color-primary);
  color: #ffffff;
  box-shadow: var(--shadow-soft);
  border-color: transparent;
}

.button-primary:hover,
.button-primary:focus {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 24px 40px -28px rgba(37, 99, 235, 0.65);
}

.button-outline {
  background: transparent;
  color: #f8fafc;
  border-color: rgba(248, 250, 252, 0.35);
}

.button-outline:hover,
.button-outline:focus {
  border-color: #f8fafc;
  color: #ffffff;
}

.hero {
  background: linear-gradient(135deg, #0b1120 0%, #1e293b 46%, #e0ecff 100%);
  color: #f1f5f9;
  padding: clamp(4rem, 6vw, 6rem) 0;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 10% 10%, rgba(37, 99, 235, 0.18), transparent 50%),
    radial-gradient(circle at 90% 20%, rgba(14, 165, 233, 0.15), transparent 55%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  align-items: center;
  gap: clamp(2.5rem, 5vw, 3.5rem);
  z-index: 1;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.22);
  color: #e2e8f0;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1 {
  font-size: clamp(2.4rem, 4vw, 3.35rem);
  line-height: 1.1;
  margin: 0;
  color: #f8fafc;
}

.hero p {
  margin: 0;
  color: rgba(226, 232, 240, 0.9);
  max-width: 36rem;
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.hero-points {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.85rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.hero-points li {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.45rem 0.7rem;
  border-radius: 12px;
  background: rgba(15, 23, 42, 0.4);
  color: #e2e8f0;
  font-size: 0.95rem;
}

.point-dot {
  display: inline-block;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: #93c5fd;
}

.hero-media {
  position: relative;
}

.hero-media figure {
  margin: 0;
  background: rgba(255, 255, 255, 0.15);
  padding: 1.4rem;
  border-radius: 22px;
  backdrop-filter: blur(12px);
  box-shadow: 0 35px 65px -50px rgba(15, 23, 42, 0.8);
}

.hero-media img {
  border-radius: 14px;
  box-shadow: var(--shadow-card);
}

.section {
  padding: clamp(3.5rem, 7vw, 5.5rem) 0;
}

.section-light {
  background: var(--color-body);
}

.section-heading {
  text-align: center;
  margin: 0 auto clamp(2rem, 4vw, 3rem);
  max-width: 42rem;
}

.section-heading h2 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 3.5vw, 2.55rem);
}

.section-heading p {
  margin: 0;
  color: var(--color-muted);
  font-size: 1.05rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.75rem;
}

.feature-card {
  background: var(--color-surface);
  border-radius: 20px;
  padding: 2rem;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(37, 99, 235, 0.12);
  color: var(--color-primary-dark);
  font-weight: 600;
  font-size: 1rem;
}

.feature-card h3 {
  margin: 0;
  font-size: 1.3rem;
}

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

.support-section {
  background: linear-gradient(135deg, #0f172a 0%, #172554 100%);
  color: #f8fafc;
  position: relative;
  overflow: hidden;
}

.support-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 10% 0%, rgba(37, 99, 235, 0.22), transparent 55%),
    radial-gradient(circle at 85% 20%, rgba(14, 165, 233, 0.18), transparent 60%);
  pointer-events: none;
}

.support-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(250px, 1fr) minmax(320px, 1.2fr);
  gap: clamp(2rem, 4vw, 3.5rem);
  z-index: 1;
}

.support-intro h2 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 3.5vw, 2.5rem);
}

.support-intro p {
  margin: 0 0 1.5rem;
  color: rgba(226, 232, 240, 0.85);
}

.support-cards {
  display: grid;
  gap: 1rem;
}

.support-card {
  background: rgba(15, 23, 42, 0.68);
  border: 1px solid rgba(148, 163, 184, 0.25);
  border-radius: 18px;
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  box-shadow: 0 24px 45px -35px rgba(15, 23, 42, 0.75);
}

.support-card h3 {
  margin: 0;
  font-size: 1.2rem;
  color: #f8fafc;
}

.support-card p {
  margin: 0;
  color: rgba(226, 232, 240, 0.85);
}

.support-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: #bfdbfe;
  font-weight: 600;
}

.support-link::after {
  content: ">";
  font-size: 0.85rem;
  transition: transform 150ms ease;
}

.support-link:hover::after,
.support-link:focus::after {
  transform: translateX(4px);
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: clamp(1.75rem, 4vw, 2.5rem);
}

.about-copy h2 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 3.5vw, 2.4rem);
}

.about-copy p {
  margin: 0 0 1.2rem;
  color: var(--color-muted);
}

.about-list {
  padding: 0;
  margin: 0;
  list-style: none;
  display: grid;
  gap: 0.75rem;
}

.about-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-muted);
}

.about-list span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(37, 99, 235, 0.14);
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.8rem;
}

.about-card {
  background: var(--color-surface);
  border-radius: 18px;
  padding: 1.75rem;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.about-card strong {
  font-size: 1.1rem;
}

.footer {
  background: #0b1120;
  color: rgba(226, 232, 240, 0.8);
  padding: 2.5rem 0;
  margin-top: auto;
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  font-size: 0.95rem;
}

.footer-links {
  display: inline-flex;
  align-items: center;
  gap: 1.5rem;
}

.footer-links a {
  color: rgba(226, 232, 240, 0.9);
  font-weight: 500;
}

.footer-links a:hover,
.footer-links a:focus {
  color: #ffffff;
}

@media (max-width: 960px) {
  .site-nav {
    justify-content: flex-start;
  }

  .nav-wrapper {
    flex-wrap: wrap;
    justify-content: center;
  }

  .nav-actions {
    order: 3;
  }

  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
  }
}

@media (max-width: 720px) {
  .container {
    width: min(var(--max-width), calc(100% - 2rem));
  }

  .nav-wrapper {
    flex-direction: column;
    align-items: center;
    padding: 0.85rem 0;
  }

  .nav-actions {
    display: none;
  }

  .hero-actions {
    width: 100%;
    justify-content: flex-start;
  }

  .nav-links {
    gap: 1.25rem;
  }

  .hero-points {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  }

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

@media (max-width: 520px) {
  .hero h1 {
    font-size: 2.15rem;
  }

  .hero-media figure {
    padding: 1rem;
  }

  .footer-content {
    flex-direction: column;
    align-items: flex-start;
  }
}
