:root {
  --red: #d30100;
  --red-dark: #a90000;
  --ink: #171717;
  --ink-soft: #4a4a4a;
  --muted: #6f6f6f;
  --line: #e7e1dc;
  --paper: #f7f5f2;
  --white: #ffffff;
  --display: "Poppins", sans-serif;
  --body: "Inter", sans-serif;
  --shadow-lg: 0 22px 48px rgba(18, 18, 18, 0.12);
  --shadow-sm: 0 14px 28px rgba(18, 18, 18, 0.06);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  line-height: 1.7;
}

a {
  color: inherit;
}

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

.skip-link {
  position: absolute;
  left: -9999px;
}

.skip-link:focus {
  left: 16px;
  top: 16px;
  z-index: 12;
  padding: 10px 14px;
  background: var(--ink);
  color: var(--white);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.nav {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.logo-shell {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  background: var(--white);
  border: 1px solid rgba(17, 17, 17, 0.06);
  border-radius: 14px;
  box-shadow: 0 8px 18px rgba(18, 18, 18, 0.04);
}

.logo {
  width: 220px;
  height: auto;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.nav-item {
  position: relative;
}

.nav-link {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 600;
}

.nav-link:hover,
.nav-link:focus,
.nav-link.active {
  color: var(--red);
}

.nav-link--parent {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.nav-link--parent::after {
  content: "▾";
  font-size: 0.7rem;
}

.nav-item::before {
  content: "";
  position: absolute;
  top: 100%;
  left: -12px;
  right: -12px;
  height: 12px;
}

.nav-submenu {
  position: absolute;
  top: calc(100% + 12px);
  left: -12px;
  display: none;
  min-width: 220px;
  flex-direction: column;
  gap: 4px;
  padding: 8px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  z-index: 20;
}

.nav-item:hover .nav-submenu,
.nav-item:focus-within .nav-submenu {
  display: flex;
}

.nav-submenu .nav-link {
  display: block;
  padding: 10px 12px;
  border-radius: 10px;
}

.nav-submenu .nav-link:hover,
.nav-submenu .nav-link:focus {
  background: rgba(211, 1, 0, 0.04);
}

.hero {
  padding: 88px 0 72px;
  background: linear-gradient(135deg, #121212 0%, #202020 40%, #1a1a1a 100%);
  color: var(--white);
}

.eyebrow {
  margin: 0 0 18px;
  color: #ff8f8c;
  font:
    600 0.75rem/1.2 "JetBrains Mono",
    monospace;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  font-family: var(--display);
  line-height: 1.15;
}

.hero h1 {
  max-width: 780px;
  margin: 0 0 20px;
  font-size: clamp(2.6rem, 6vw, 4.8rem);
}

.hero p {
  max-width: 690px;
  margin: 0;
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.08rem;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  transition: background 0.2s ease;
}

.button.primary {
  background: var(--red);
  color: var(--white);
}

.button.primary:hover,
.button.primary:focus {
  background: var(--red-dark);
}

.button.secondary {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.page-section {
  padding: 82px 0;
}

.section-intro {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-intro h2 {
  margin: 0 0 12px;
  font-size: clamp(2rem, 4vw, 3rem);
}

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

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.feature-card,
.step-card,
.list-card,
.stat-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow-sm);
}

.feature-card,
.list-card {
  padding: 28px 24px;
}

.feature-card h3,
.list-card h3,
.step-card h3,
.stat-card h3 {
  margin: 0 0 12px;
  font-size: 1.4rem;
}

.feature-card p,
.list-card p,
.step-card p,
.stat-card p,
.content-column p,
.content-column li {
  color: var(--muted);
}

.feature-card .tag,
.list-card .tag,
.step-card .tag {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--red);
  font:
    600 0.72rem/1.2 "JetBrains Mono",
    monospace;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.split-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 28px;
  align-items: center;
}

.muted-panel {
  padding: 32px;
  background: #f0e9e4;
  border: 1px solid var(--line);
  border-radius: 20px;
}

.content-column ul {
  margin: 18px 0 0 0;
  padding-left: 18px;
}

.content-column li + li {
  margin-top: 12px;
}

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

.step-card {
  padding: 26px 20px;
}

.step-number {
  display: inline-flex;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  background: rgba(211, 1, 0, 0.08);
  border-radius: 50%;
  color: var(--red);
  font-weight: 700;
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.stat-card {
  padding: 26px 20px;
}

.stat-card strong {
  display: block;
  margin-bottom: 8px;
  font-family: var(--display);
  font-size: 2rem;
  line-height: 1;
  color: var(--ink);
}

.cta-band {
  padding: 52px 0 84px;
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: 28px 30px;
  background: var(--ink);
  border-radius: 22px;
  color: var(--white);
  box-shadow: var(--shadow-lg);
}

.cta-inner h2 {
  margin: 0 0 10px;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
}

.cta-inner p {
  margin: 0;
  color: rgba(255, 255, 255, 0.75);
}

.site-footer {
  padding: 28px 0 38px;
  background: var(--ink);
  color: rgba(255, 255, 255, 0.75);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer-inner p {
  margin: 0;
  font-size: 0.875rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
  font-size: 0.875rem;
}

.footer-links a:hover,
.footer-links a:focus {
  color: #ff8f8c;
}

@media (max-width: 900px) {
  .card-grid,
  .steps,
  .stats,
  .split-layout {
    grid-template-columns: 1fr 1fr;
  }

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

@media (max-width: 760px) {
  .nav {
    min-height: 72px;
  }

  .nav-links {
    gap: 10px;
  }

  .card-grid,
  .steps,
  .stats {
    grid-template-columns: 1fr;
  }

  .cta-inner,
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 420px) {
  .container {
    width: min(100% - 28px, 1160px);
  }

  .logo {
    width: 138px;
  }

  .nav-link {
    font-size: 0.75rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}