:root {
  --bg: #f7f8fc;
  --bg-soft: rgba(255, 255, 255, 0.72);
  --surface: #ffffff;
  --surface-strong: #ffffff;
  --text: #1f2937;
  --muted: #5f6b7a;
  --line: rgba(31, 41, 55, 0.08);
  --primary: #5b7cfa;
  --primary-dark: #4664d8;
  --accent: #f59e0b;
  --shadow: 0 24px 60px rgba(40, 61, 110, 0.12);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --container: min(1180px, calc(100% - 32px));
  --transition: 220ms ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(91, 124, 250, 0.12), transparent 30%),
    radial-gradient(circle at right, rgba(245, 158, 11, 0.12), transparent 24%),
    var(--bg);
  line-height: 1.7;
  overflow-x: hidden;
}

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

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

.container {
  width: var(--container);
  margin: 0 auto;
}

.section {
  padding: 44px 0;
  position: relative;
  z-index: 1;
}

.section-heading {
  margin-bottom: 24px;
}

.eyebrow {
  margin: 0 0 10px;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--primary);
}

h1,
h2,
h3,
p,
blockquote {
  margin-top: 0;
}

h1 {
  font-size: clamp(2.5rem, 6vw, 4.7rem);
  line-height: 1.05;
  margin-bottom: 18px;
}

h2 {
  font-size: clamp(1.8rem, 3vw, 2.9rem);
  line-height: 1.1;
  margin-bottom: 0;
}

h3 {
  font-size: 1.2rem;
  line-height: 1.3;
  margin-bottom: 12px;
}

p {
  color: var(--muted);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: rgba(247, 248, 252, 0.8);
  border-bottom: 1px solid rgba(255, 255, 255, 0.55);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 78px;
}

.brand {
  font-weight: 800;
  letter-spacing: -0.03em;
  font-size: 1.05rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.site-nav a {
  padding: 10px 12px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.94rem;
  transition: color var(--transition), background-color var(--transition), transform var(--transition);
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--text);
  background: rgba(91, 124, 250, 0.12);
  transform: translateY(-1px);
}

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 0;
  background: var(--surface);
  border-radius: 14px;
  box-shadow: var(--shadow);
  cursor: pointer;
  padding: 11px;
}

.menu-toggle span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: var(--text);
  margin: 5px 0;
  transition: transform var(--transition), opacity var(--transition);
}

.hero {
  padding-top: 54px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 28px;
  align-items: center;
}

.hero-text {
  font-size: 1.05rem;
  max-width: 66ch;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 16px;
  font-weight: 700;
  transition: transform var(--transition), box-shadow var(--transition), background-color var(--transition), color var(--transition);
}

.button:hover {
  transform: translateY(-3px) scale(1.01);
}

.button.primary {
  background: linear-gradient(135deg, var(--primary), #7b94ff);
  color: #fff;
  box-shadow: 0 18px 34px rgba(91, 124, 250, 0.28);
}

.button.primary:hover {
  box-shadow: 0 24px 42px rgba(91, 124, 250, 0.35);
}

.button.secondary {
  background: rgba(255, 255, 255, 0.8);
  color: var(--text);
  border: 1px solid rgba(91, 124, 250, 0.12);
}

.card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0.94));
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  padding: 26px;
}

.hero-media {
  padding: 14px;
  overflow: hidden;
}

.hero-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 22px;
}

.cards-grid {
  display: grid;
  gap: 18px;
}

.milestones-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: 18px;
}

.milestone-card h3 {
  color: var(--primary-dark);
}

.collection-card {
  background: linear-gradient(135deg, rgba(91, 124, 250, 0.08), rgba(245, 158, 11, 0.08));
}

.content-split {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 20px;
}

.accent-card {
  background: linear-gradient(160deg, rgba(245, 158, 11, 0.12), rgba(255, 255, 255, 1));
}

.stack {
  display: grid;
  gap: 18px;
}

.two-col {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.prose p:last-child {
  margin-bottom: 0;
}

blockquote {
  margin: 22px 0;
  padding: 20px 22px;
  border-left: 4px solid var(--accent);
  background: rgba(245, 158, 11, 0.08);
  border-radius: 18px;
}

blockquote p {
  color: var(--text);
  font-weight: 500;
}

blockquote footer {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.95rem;
}

.checklist-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.checklist-card {
  position: relative;
  overflow: hidden;
}

.checklist-card::after {
  content: "";
  position: absolute;
  inset: auto -40px -50px auto;
  width: 130px;
  height: 130px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(91, 124, 250, 0.16), transparent 70%);
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(91, 124, 250, 0.12);
  color: var(--primary-dark);
  font-weight: 700;
  font-size: 0.84rem;
  margin-bottom: 14px;
}

.site-footer {
  padding: 32px 0 48px;
  position: relative;
  z-index: 1;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: 26px;
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0.92));
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.footer-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 4px;
}

.footer-text {
  margin: 0;
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 16px;
  border-radius: 16px;
  background: rgba(91, 124, 250, 0.08);
  color: var(--text);
  transition: transform var(--transition), background-color var(--transition), box-shadow var(--transition);
}

.social-links a:hover {
  transform: translateY(-3px);
  background: rgba(91, 124, 250, 0.14);
  box-shadow: 0 12px 28px rgba(91, 124, 250, 0.14);
}

.social-links svg {
  width: 19px;
  height: 19px;
  fill: currentColor;
}

.bg-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(20px);
  opacity: 0.45;
  pointer-events: none;
  z-index: 0;
}

.orb-1 {
  width: 280px;
  height: 280px;
  top: 8%;
  left: -80px;
  background: rgba(91, 124, 250, 0.18);
}

.orb-2 {
  width: 240px;
  height: 240px;
  right: -60px;
  bottom: 12%;
  background: rgba(245, 158, 11, 0.18);
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 700ms ease, transform 700ms ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1100px) {
  .site-nav {
    gap: 10px;
  }

  .site-nav a {
    font-size: 0.88rem;
    padding-inline: 10px;
  }

  .hero-grid,
  .content-split,
  .milestones-grid,
  .checklist-grid,
  .two-col {
    grid-template-columns: 1fr 1fr;
  }

  .milestones-grid article:last-child,
  .checklist-grid article:last-child {
    grid-column: span 2;
  }
}

@media (max-width: 860px) {
  .menu-toggle {
    display: inline-block;
  }

  .site-nav {
    position: absolute;
    top: 78px;
    left: 16px;
    right: 16px;
    display: grid;
    gap: 8px;
    background: rgba(255, 255, 255, 0.97);
    border: 1px solid var(--line);
    border-radius: 24px;
    padding: 14px;
    box-shadow: var(--shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity var(--transition), visibility var(--transition), transform var(--transition);
  }

  .site-nav.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .header-inner {
    position: relative;
  }

  .hero-grid,
  .content-split,
  .milestones-grid,
  .checklist-grid,
  .two-col,
  .footer-inner {
    grid-template-columns: 1fr;
    flex-direction: column;
    align-items: stretch;
  }

  .milestones-grid article:last-child,
  .checklist-grid article:last-child {
    grid-column: auto;
  }

  .hero {
    padding-top: 34px;
  }

  .section {
    padding: 34px 0;
  }
}

@media (max-width: 560px) {
  .container {
    width: min(100% - 20px, 1180px);
  }

  .card,
  .footer-inner {
    padding: 20px;
    border-radius: 22px;
  }

  .button {
    width: 100%;
  }

  h1 {
    font-size: 2.35rem;
  }

  h2 {
    font-size: 1.65rem;
  }
}