@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Space+Grotesk:wght@500;600;700&display=swap');

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --black: #0A0E1A;
  --dark: #0F1629;
  --dark-mid: #1A2038;
  --indigo: #6366F1;
  --indigo-light: #818CF8;
  --blue: #3B82F6;
  --electric-blue: #00C8FF;
  --neon-green: #10B981;
  --neon-green-light: #34D399;
  --green-glow: #6EE7B7;
  --white: #FFFFFF;
  --gray-50: #F8FAFC;
  --gray-100: #F1F5F9;
  --gray-200: #E2E8F0;
  --gray-300: #CBD5E1;
  --gray-400: #94A3B8;
  --gray-500: #64748B;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1E293B;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Space Grotesk', 'Inter', sans-serif;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-sm: 0 1px 2px rgba(10,14,26,0.06);
  --shadow-md: 0 4px 12px rgba(10,14,26,0.08);
  --shadow-lg: 0 12px 40px rgba(10,14,26,0.12);
  --shadow-glow-green: 0 0 20px rgba(16,185,129,0.3);
  --shadow-glow-indigo: 0 0 20px rgba(99,102,241,0.3);
  --transition: 0.2s ease;
  --transition-slow: 0.35s ease;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: clamp(0.9375rem, 0.9rem + 0.2vw, 1.0625rem);
  line-height: 1.7;
  color: var(--gray-700);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ─── Typography ─── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--black);
  line-height: 1.15;
  letter-spacing: -0.025em;
}

h1 { font-size: clamp(2.25rem, 2rem + 2.5vw, 4rem); }
h2 { font-size: clamp(1.75rem, 1.5rem + 1.5vw, 2.75rem); }
h3 { font-size: clamp(1.25rem, 1.1rem + 0.8vw, 1.75rem); }
h4 { font-size: clamp(1.1rem, 1rem + 0.4vw, 1.3rem); }

p {
  max-width: 72ch;
  margin-bottom: 1em;
}

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

a {
  color: var(--indigo);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover { color: var(--blue); }

/* ─── Utility ─── */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 3vw, 2.5rem);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
}

/* ─── Header / Two-Row Nav ─── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--gray-200);
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(1.25rem, 3vw, 2.5rem);
  min-height: 64px;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

.header-row-top {
  border-bottom: 1px solid var(--gray-100);
  min-height: 60px;
}

.header-row-bottom {
  min-height: 50px;
  background: var(--gray-50);
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--black);
  text-decoration: none;
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

.logo-link:hover { color: var(--black); }

.logo-icon {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.main-nav a {
  display: block;
  padding: 0.4em 0.85em;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--gray-600);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  white-space: nowrap;
}

.main-nav a:hover {
  color: var(--black);
  background: var(--gray-100);
}

.secondary-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.secondary-nav a {
  display: block;
  padding: 0.35em 0.75em;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--gray-500);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  white-space: nowrap;
}

.secondary-nav a:hover {
  color: var(--black);
  background: var(--gray-200);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

/* ─── Mobile Nav Toggle ─── */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--gray-700);
}

.nav-toggle svg {
  width: 24px;
  height: 24px;
}

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.625em 1.35em;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
  text-align: center;
  line-height: 1.3;
}

.btn-primary {
  background: linear-gradient(135deg, var(--indigo), var(--blue));
  color: var(--white);
  box-shadow: 0 2px 8px rgba(99,102,241,0.3);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(99,102,241,0.4);
  color: var(--white);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: var(--white);
  color: var(--gray-700);
  border: 1.5px solid var(--gray-300);
}

.btn-secondary:hover {
  border-color: var(--indigo);
  color: var(--indigo);
  background: rgba(99,102,241,0.04);
}

.btn-ghost {
  background: transparent;
  color: var(--gray-600);
  padding: 0.5em 0.75em;
}

.btn-ghost:hover {
  color: var(--black);
  background: var(--gray-100);
}

.btn-green {
  background: var(--neon-green);
  color: var(--white);
  box-shadow: 0 2px 8px rgba(16,185,129,0.3);
}

.btn-green:hover {
  background: var(--neon-green-light);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(16,185,129,0.4);
  color: var(--white);
}

.btn-large {
  font-size: 1rem;
  padding: 0.85em 2em;
  border-radius: var(--radius-lg);
}

/* ─── Hero ─── */
.page-hero {
  position: relative;
  padding: clamp(4rem, 8vw, 8rem) 0 clamp(3rem, 6vw, 5rem);
  text-align: center;
  overflow: hidden;
  background: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);
}

.hero-bg-glow {
  position: absolute;
  top: -30%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(99,102,241,0.08) 0%, rgba(0,200,255,0.04) 40%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(99,102,241,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99,102,241,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 60% 60% at 50% 30%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 60% 60% at 50% 30%, black 20%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.page-hero > .container {
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  padding: 0.4em 1em;
  background: rgba(99,102,241,0.08);
  border: 1px solid rgba(99,102,241,0.15);
  border-radius: 100px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--indigo);
  margin-bottom: 1.5rem;
}

.hero-badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--neon-green);
  box-shadow: 0 0 6px var(--neon-green);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.4); }
}

.hero-title {
  font-size: clamp(2.5rem, 2rem + 3.5vw, 4.25rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.035em;
  color: var(--black);
  margin-bottom: 1.25rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, var(--indigo) 0%, var(--electric-blue) 50%, var(--neon-green) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1.0625rem, 0.95rem + 0.5vw, 1.3rem);
  color: var(--gray-500);
  max-width: 580px;
  margin: 0 auto 2.5rem;
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

.hero-visual {
  max-width: 900px;
  margin: 0 auto;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(99,102,241,0.1);
  position: relative;
}

.hero-visual::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: calc(var(--radius-xl) + 2px);
  background: linear-gradient(135deg, rgba(99,102,241,0.3), rgba(16,185,129,0.2), rgba(0,200,255,0.3));
  z-index: -1;
}

.hero-visual .image {
  width: 100%;
  display: block;
  aspect-ratio: 16/9;
  object-fit: cover;
}

/* ─── Sections ─── */
.section-wrapper {
  padding: clamp(4rem, 7vw, 7rem) 0;
}

.section-wrapper.alt-bg {
  background: var(--gray-50);
}

.section-wrapper.dark {
  background: var(--dark);
  color: var(--gray-300);
}

.section-wrapper.dark h2,
.section-wrapper.dark h3,
.section-wrapper.dark h4 {
  color: var(--white);
}

.section-heading {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 1.5rem;
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--indigo);
  margin-bottom: 0.75rem;
}

.lead-paragraph {
  font-size: clamp(1.0625rem, 0.95rem + 0.4vw, 1.2rem);
  color: var(--gray-500);
  text-align: center;
  max-width: 600px;
  margin: 0 auto 3.5rem;
  line-height: 1.7;
}

.section-wrapper.dark .lead-paragraph {
  color: var(--gray-400);
}

.body-text {
  color: var(--gray-600);
  line-height: 1.75;
}

/* ─── Cards ─── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: 1.5rem;
  list-style: none;
}

.card-grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
}

.card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 2vw, 2rem);
  transition: all var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--indigo), var(--electric-blue));
  opacity: 0;
  transition: opacity var(--transition);
}

.card:hover {
  border-color: var(--gray-300);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

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

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  font-size: 1.25rem;
  background: linear-gradient(135deg, rgba(99,102,241,0.1), rgba(0,200,255,0.08));
  color: var(--indigo);
  flex-shrink: 0;
}

.card-title {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--black);
  margin-bottom: 0.6rem;
}

.card-text {
  color: var(--gray-500);
  font-size: 0.9375rem;
  line-height: 1.65;
  margin-bottom: 0;
}

/* ─── Stats / Metrics Bar ─── */
.metrics-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.5rem;
  padding: 2.5rem 0;
  border-top: 1px solid var(--gray-200);
  border-bottom: 1px solid var(--gray-200);
  margin: 3rem 0;
}

.metric {
  text-align: center;
}

.metric-value {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 1.5rem + 2vw, 3rem);
  font-weight: 700;
  color: var(--black);
  line-height: 1;
  margin-bottom: 0.35rem;
}

.metric-value.green { color: var(--neon-green); }
.metric-value.indigo { color: var(--indigo); }
.metric-value.blue { color: var(--blue); }

.metric-label {
  font-size: 0.875rem;
  color: var(--gray-500);
  font-weight: 500;
}

/* ─── Code Block ─── */
.code-block {
  background: var(--dark);
  border-radius: var(--radius-lg);
  padding: 1.75rem 2rem;
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--gray-300);
  overflow-x: auto;
  border: 1px solid var(--dark-mid);
  max-width: 100%;
}

.code-block .keyword { color: var(--indigo-light); }
.code-block .string { color: var(--neon-green-light); }
.code-block .comment { color: var(--gray-500); }
.code-block .func { color: var(--electric-blue); }

/* ─── Status Indicator ─── */
.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--neon-green);
  box-shadow: 0 0 6px rgba(16,185,129,0.5);
  margin-right: 6px;
  vertical-align: middle;
}

/* ─── Image ─── */
.image {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-lg);
}

/* ─── Footer ─── */
.site-footer {
  background: var(--dark);
  color: var(--gray-400);
  padding: clamp(3rem, 5vw, 4rem) 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 3rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 3vw, 2.5rem);
}

.footer-brand {
  max-width: 300px;
}

.footer-brand .logo-link {
  color: var(--white);
  margin-bottom: 1rem;
}

.footer-brand p {
  font-size: 0.875rem;
  color: var(--gray-400);
  line-height: 1.7;
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray-300);
  margin-bottom: 1rem;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 0.5rem;
}

.footer-col a {
  font-size: 0.875rem;
  color: var(--gray-400);
  transition: color var(--transition);
}

.footer-col a:hover {
  color: var(--white);
}

.footer-bottom {
  max-width: 1200px;
  margin: 2.5rem auto 0;
  padding: 1.5rem clamp(1.25rem, 3vw, 2.5rem) 0;
  border-top: 1px solid var(--dark-mid);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8125rem;
}

.footer-bottom a {
  color: var(--gray-400);
}

.footer-bottom a:hover {
  color: var(--white);
}

.footer-status {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font-size: 0.8125rem;
  color: var(--neon-green);
  font-weight: 500;
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
  .main-nav,
  .secondary-nav {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .mobile-menu-open .main-nav,
  .mobile-menu-open .secondary-nav {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    padding: 1rem;
    box-shadow: var(--shadow-lg);
  }

  .mobile-menu-open .main-nav a,
  .mobile-menu-open .secondary-nav a {
    padding: 0.75em 0.5em;
    font-size: 1rem;
  }

  .header-row-bottom {
    display: none;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
    max-width: 300px;
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .footer-brand {
    grid-column: 1 / -1;
    max-width: 100%;
  }

  .metrics-bar {
    grid-template-columns: 1fr 1fr;
  }

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

@media (max-width: 480px) {
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .metrics-bar {
    grid-template-columns: 1fr;
  }
}

/* ─── Accessibility ─── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

:focus-visible {
  outline: 2px solid var(--indigo);
  outline-offset: 2px;
}
/* universal guards (not a template) */
*{box-sizing:border-box}img,svg,video{max-width:100%;height:auto}h1,h2,h3,h4,p,li,a,span,blockquote{overflow-wrap:break-word;word-break:normal}html{-webkit-text-size-adjust:100%}body{margin:0}