:root {
  --bg: #050816;
  --bg-soft: #0b1020;
  --bg-muted: #111827;
  --fg: #f9fafb;
  --fg-muted: #9ca3af;
  --accent: #38bdf8;
  --accent-soft: rgba(56, 189, 248, 0.1);
  --card-bg: #0f172a;
  --border-subtle: #1f2937;
  --radius-lg: 1.5rem;
  --radius-md: 1rem;
  --shadow-soft: 0 18px 45px rgba(15, 23, 42, 0.9);
  --shadow-card: 0 12px 30px rgba(15, 23, 42, 0.75);
  --transition-fast: 0.18s ease-out;
  --container-width: 1100px;
  --nav-height: 72px;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
}

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

html, body {
  margin: 0;
  padding: 0;
  background: radial-gradient(circle at top, #1f2937 0, var(--bg) 55%);
  color: var(--fg);
  min-height: 100%;
}

body {
  -webkit-font-smoothing: antialiased;
}

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

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

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: linear-gradient(to bottom, rgba(5,8,22,0.95), rgba(5,8,22,0.85));
  border-bottom: 1px solid rgba(55,65,81,0.6);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
}

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

.brand-logo {
  width: 36px;
  height: 36px;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 0, #f9fafb 0, #38bdf8 40%, #0ea5e9 100%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  color: #020617;
  box-shadow: 0 10px 25px rgba(56,189,248,0.55);
}

.brand-text {
  font-weight: 600;
  letter-spacing: 0.04em;
  font-size: 0.95rem;
  text-transform: uppercase;
  color: #e5e7eb;
}

.main-nav {
  display: flex;
  gap: 1.5rem;
  font-size: 0.95rem;
}

.main-nav a {
  position: relative;
  padding: 0.25rem 0;
  color: var(--fg-muted);
  transition: color var(--transition-fast);
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.3rem;
  width: 0;
  height: 2px;
  background: linear-gradient(to right, #38bdf8, #a855f7);
  border-radius: 999px;
  transition: width var(--transition-fast);
}

.main-nav a:hover {
  color: var(--fg);
}

.main-nav a:hover::after {
  width: 100%;
}

.hero {
  padding: 4rem 0 3rem;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2.5fr);
  align-items: center;
  gap: 3rem;
}

.eyebrow {
  font-size: 0.85rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.hero h1 {
  font-size: clamp(2.4rem, 4vw, 3rem);
  line-height: 1.1;
  margin: 0 0 1rem;
}

.hero .accent {
  background: linear-gradient(135deg, #38bdf8, #a855f7);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lead {
  font-size: 1.05rem;
  color: var(--fg-muted);
  max-width: 36rem;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.75rem 0 1.5rem;
}

.hero-tags span {
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  font-size: 0.82rem;
  border: 1px solid rgba(148,163,184,0.5);
  background: radial-gradient(circle at top left, rgba(56,189,248,0.12), rgba(15,23,42,0.95));
  color: var(--fg-muted);
}

.hero-actions {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.4rem;
  border-radius: 999px;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.btn.primary {
  background: linear-gradient(135deg, #38bdf8, #0ea5e9);
  color: #020617;
  font-weight: 600;
  box-shadow: 0 18px 40px rgba(8,47,73,0.7);
}

.btn.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 20px 50px rgba(8,47,73,0.9);
}

.btn.ghost {
  border-color: rgba(148,163,184,0.6);
  color: var(--fg);
  background: radial-gradient(circle at top, rgba(15,23,42,0.9), rgba(17,24,39,0.9));
}

.btn.ghost:hover {
  border-color: rgba(148,163,184,0.9);
  background: radial-gradient(circle at top, rgba(30,64,175,0.4), rgba(15,23,42,1));
}

.hero-photo {
  display: flex;
  justify-content: center;
}

.photo-frame {
  position: relative;
  width: min(320px, 100%);
  aspect-ratio: 3 / 4;
  border-radius: 2rem;
  padding: 4px;
  background:
    radial-gradient(circle at 0 0, #38bdf8, transparent 55%),
    radial-gradient(circle at 100% 0, #a855f7, transparent 55%),
    radial-gradient(circle at 100% 100%, #22c55e, transparent 55%);
  box-shadow: var(--shadow-soft);
}

.photo-frame::before {
  content: "";
  position: absolute;
  inset: 12px;
  border-radius: 1.7rem;
  border: 1px solid rgba(148,163,184,0.45);
  pointer-events: none;
}

.photo-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 1.6rem;
  display: block;
}

.section {
  padding: 3.5rem 0;
}

.section-muted {
  background: radial-gradient(circle at top, rgba(30,64,175,0.35), rgba(15,23,42,1));
  border-top: 1px solid rgba(31,41,55,0.9);
  border-bottom: 1px solid rgba(31,41,55,0.9);
}

.section-grid .cards {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1.1fr);
  gap: 2.5rem;
  align-items: flex-start;
}

.section h1,
.section h2,
.section h3 {
  margin-top: 0;
}

.section h1 {
  font-size: clamp(2rem, 3vw, 2.4rem);
}

.section h2 {
  font-size: 1.4rem;
}

.section p {
  color: var(--fg-muted);
  line-height: 1.7;
}

.checklist {
  list-style: none;
  padding: 0;
  margin: 0;
}

.checklist li {
  position: relative;
  padding-left: 1.7rem;
  margin-bottom: 0.6rem;
  color: var(--fg-muted);
  font-size: 0.97rem;
}

.checklist li::before {
  content: "✔";
  position: absolute;
  left: 0;
  top: 0.1rem;
  font-size: 0.8rem;
  color: var(--accent);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 1.6rem 1.5rem;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top left, rgba(56,189,248,0.13), transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-fast);
  pointer-events: none;
}

.card:hover::before {
  opacity: 1;
}

.card h2,
.card h3 {
  margin-top: 0;
  margin-bottom: 0.6rem;
}

.card p {
  font-size: 0.95rem;
}

.info-block {
  background: rgba(15,23,42,0.95);
  border-radius: var(--radius-md);
  padding: 1.2rem 1.3rem;
  border: 1px solid rgba(55,65,81,0.9);
  box-shadow: 0 12px 30px rgba(15,23,42,0.8);
  margin-bottom: 1rem;
}

.info-block h2 {
  font-size: 1.1rem;
  margin-bottom: 0.6rem;
}

.info-block ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--fg-muted);
  font-size: 0.95rem;
}

.pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding-left: 0;
  list-style: none;
}

.pill-list li {
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  border: 1px solid rgba(148,163,184,0.7);
  background: radial-gradient(circle at top left, rgba(56,189,248,0.18), rgba(15,23,42,0.95));
  font-size: 0.85rem;
  color: var(--fg-muted);
}

.section-timeline .timeline {
  position: relative;
  padding-left: 1rem;
}

.section-timeline .timeline::before {
  content: "";
  position: absolute;
  left: 0.2rem;
  top: 0.5rem;
  bottom: 0.5rem;
  width: 2px;
  background: linear-gradient(to bottom, #38bdf8, rgba(148,163,184,0.2));
}

.timeline-item {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.timeline-year {
  font-size: 0.9rem;
  font-weight: 600;
  color: #e5e7eb;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding-top: 0.4rem;
}

.timeline-content {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  padding: 1.2rem 1.3rem;
  box-shadow: var(--shadow-card);
}

.timeline-content h2 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-size: 1.15rem;
}

.site-footer {
  border-top: 1px solid rgba(31,41,55,0.9);
  background: radial-gradient(circle at top, rgba(15,23,42,0.9), rgba(3,7,18,1));
  margin-top: 2rem;
}

.footer-inner {
  padding: 1.4rem 0 1.6rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--fg-muted);
}

@media (max-width: 880px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
  }
  .hero-photo {
    order: -1;
  }
  .split {
    grid-template-columns: minmax(0, 1fr);
  }
  .timeline-item {
    grid-template-columns: minmax(0, 1fr);
  }
  .timeline-year {
    padding-top: 0;
  }
  .main-nav {
    gap: 1rem;
    font-size: 0.85rem;
  }
}

@media (max-width: 640px) {
  .site-header {
    position: static;
  }
  .nav-container {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.4rem;
    height: auto;
    padding-top: 0.8rem;
    padding-bottom: 0.8rem;
  }
  .main-nav {
    width: 100%;
    justify-content: space-between;
  }
  .hero {
    padding-top: 2.5rem;
  }
}