:root {
  --bg: #05060b;
  --bg-alt: #0b0e16;
  --card: #0f1420;
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-strong: rgba(255, 255, 255, 0.12);
  --text: #f5f7ff;
  --text-muted: #9aa0b8;
  --accent: #4dd0b5;
  --accent-soft: rgba(77, 208, 181, 0.12);
  --accent-strong: #37b499;
  --danger: #ff5c5c;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --shadow-soft: 0 24px 80px rgba(0, 0, 0, 0.6);
  --shadow-subtle: 0 10px 30px rgba(0, 0, 0, 0.4);
  --max-width: 1120px;
  --gutter: 1.5rem;
  --transition-fast: 180ms ease-out;
}

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

html, body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
    "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #151a2b 0, #05060b 48%, #000 100%);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

.page-shell {
  min-height: 100vh;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.5rem var(--gutter) 2.5rem;
  display: flex;
  flex-direction: column;
}

/* HEADER */

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.75rem;
  padding: 0.75rem 1.25rem;
  margin-bottom: 2.5rem;
  border-radius: 999px;
  border: 1px solid var(--border-subtle);
  background: linear-gradient(135deg, rgba(16, 22, 36, 0.9), rgba(6, 8, 14, 0.96));
  box-shadow: var(--shadow-subtle);
  position: sticky;
  top: 0.75rem;
  z-index: 20;
  backdrop-filter: blur(18px);
}

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

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 14px;
  border: 1px solid var(--border-strong);
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.brand-name {
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.brand-tagline {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.85rem;
}

.nav a {
  color: var(--text-muted);
  text-decoration: none;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: background var(--transition-fast), border-color var(--transition-fast),
              color var(--transition-fast), transform 120ms ease-out;
}

.nav a:hover {
  background: rgba(255, 255, 255, 0.02);
  border-color: var(--border-subtle);
  color: var(--text);
  transform: translateY(-1px);
}

/* HERO */

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: 2.5rem;
  align-items: center;
  margin-bottom: 3rem;
  margin-top: 1rem;
}

.hero-content h1 {
  font-size: clamp(2rem, 2.6vw + 1.2rem, 2.7rem);
  line-height: 1.15;
  margin: 0 0 1.2rem;
}

.hero-lead {
  margin: 0 0 1.5rem;
  color: var(--text-muted);
  font-size: 0.98rem;
  max-width: 32rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.3rem;
  font-size: 0.9rem;
  border-radius: 999px;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast),
              box-shadow var(--transition-fast), transform 120ms ease-out,
              border-color var(--transition-fast);
}

.btn-primary {
  background: radial-gradient(circle at top left, var(--accent-strong), var(--accent));
  color: #02110c;
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.7);
}

.btn-primary:hover {
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.85);
  transform: translateY(-1px);
}

.btn-ghost {
  background: rgba(9, 11, 19, 0.92);
  color: var(--text-muted);
  border-color: var(--border-subtle);
}

.btn-ghost:hover {
  background: rgba(17, 22, 36, 1);
  color: var(--text);
  border-color: var(--border-strong);
}

.hero-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  opacity: 0.9;
}

/* HERO CARD */

.hero-visual {
  display: flex;
  justify-content: flex-end;
}

.hero-card {
  position: relative;
  width: 100%;
  max-width: 360px;
  padding: 1.1rem 1.1rem 1.1rem;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-strong);
  background:
    radial-gradient(circle at top, rgba(77, 208, 181, 0.14), transparent 55%),
    linear-gradient(145deg, rgba(10, 14, 24, 0.96), rgba(3, 5, 10, 0.98));
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.hero-icon-bg {
  position: absolute;
  inset: -10%;
  opacity: 0.12;
  pointer-events: none;
}

.hero-card-header {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.hero-card-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}

.hero-card-value {
  font-size: 0.9rem;
  font-weight: 600;
}

.hero-card-body {
  position: relative;
  padding: 0.75rem 0.75rem;
  margin: 0.25rem 0 0.75rem;
  border-radius: var(--radius-lg);
  background: rgba(1, 4, 8, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.hero-card-body ul {
  margin: 0;
  padding-left: 1.1rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.hero-card-body li + li {
  margin-top: 0.2rem;
}

.hero-card-footer {
  position: relative;
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 0.7rem;
  font-size: 0.72rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid rgba(77, 208, 181, 0.6);
}

/* SECTIONS */

.section {
  margin-bottom: 3rem;
}

.section-alt {
  background: radial-gradient(circle at top left, rgba(77, 208, 181, 0.06), transparent 60%);
  border-radius: var(--radius-xl);
  padding: 2rem 1.5rem;
  border: 1px solid var(--border-subtle);
}

.section-header {
  margin-bottom: 1.5rem;
}

.section-header h2 {
  font-size: 1.4rem;
  margin: 0 0 0.4rem;
}

.section-header p {
  margin: 0;
  color: var(--text-muted);
  max-width: 35rem;
  font-size: 0.95rem;
}

/* GRID & CARDS */

.grid {
  display: grid;
  gap: 1.5rem;
}

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

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  padding: 1.3rem 1.35rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  background: linear-gradient(140deg, rgba(10, 14, 24, 0.96), rgba(3, 5, 10, 0.98));
  box-shadow: var(--shadow-subtle);
}

.card-compact {
  padding: 1.1rem 1.1rem 1.2rem;
}

.card h3 {
  margin: 0 0 0.7rem;
  font-size: 1rem;
}

.card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.card-icon {
  width: 24px;
  height: 24px;
  margin-bottom: 0.4rem;
  opacity: 0.9;
}

/* LISTS */

.checklist,
.bullet-list {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.checklist li + li,
.bullet-list li + li {
  margin-top: 0.35rem;
}

/* CONTACT */

.contact-card {
  padding: 1.4rem 1.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  background: linear-gradient(145deg, rgba(8, 11, 20, 0.96), rgba(2, 4, 9, 0.98));
}

.contact-line {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: baseline;
  font-size: 0.9rem;
  margin: 0 0 0.7rem;
}

.contact-line .label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-muted);
}

.contact-line a {
  color: var(--accent);
  text-decoration: none;
}

.contact-line a:hover {
  text-decoration: underline;
}

.contact-note {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* FOOTER */

.site-footer {
  margin-top: auto;
  padding-top: 1.5rem;
  font-size: 0.78rem;
  color: var(--text-muted);
  text-align: center;
  opacity: 0.9;
}

/* RESPONSIVE */

@media (max-width: 900px) {
  .site-header {
    flex-direction: column;
    align-items: flex-start;
    border-radius: 20px;
  }

  .nav {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .hero {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-visual {
    justify-content: flex-start;
  }

  .hero-card {
    max-width: none;
  }

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

  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .page-shell {
    padding-top: 1rem;
  }

  .site-header {
    padding-inline: 1rem;
  }

  .hero {
    margin-top: 1.2rem;
  }

  .section-alt {
    padding: 1.5rem 1.1rem;
  }

  .grid-3 {
    grid-template-columns: minmax(0, 1fr);
  }
}