/* ==========================================================================
   PRAXIC INTELLIGENCE — Enterprise Trust & Standard Design System v4
   Aesthetic: Bright, Standard, Professional, High-Trust & Peaceful SaaS
   Colors: Deep Sapphire Trust Blue, Serene Ocean Teal, Clean Pearl Canvas
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* --------------------------------------------------------------------------
   1. DESIGN TOKENS (TRUST, HONESTY, PEACE & PROFESSIONAL CLARITY)
   -------------------------------------------------------------------------- */
:root {
  /* Core Bright Canvas */
  --bg-base:        #f8fafc; /* Crisp pearl slate — soothing, clean, peaceful */
  --bg-surface:     #ffffff; /* Pure bright white for transparent honest clarity */
  --bg-elevated:    #f1f5f9; /* Subtle elevated slate for soft interactions */
  --bg-card:        #ffffff;
  --border:         rgba(15, 23, 42, 0.08); /* Clean hairline borders */
  --border-bright:  rgba(15, 23, 42, 0.16);

  /* Brand Primary Accent — Deep Enterprise Trust Blue (Confidence, Security, Honesty) */
  --accent:         #0052cc;
  --accent-hover:   #0040a8;
  --accent-light:   #eff6ff;
  --accent-muted:   rgba(0, 82, 204, 0.08);
  --accent-glow:    rgba(0, 82, 204, 0.22);

  /* Secondary Accents (Peace, Health, Intelligence & Harmony) */
  --violet:  #4f46e5; /* Royal Indigo — Advanced Intelligence */
  --coral:   #ea580c; /* Warm Amber Coral — Action */
  --sky:     #0284c7; /* Peaceful Sky Blue — Serenity & Clarity */
  --emerald: #059669; /* Vitality & Medical Emerald — Safety & Verification */
  --teal:    #0d9488; /* Harmonious Teal — Peaceful balance */

  /* High-Contrast Professional Typography (WCAG AAA Legibility & Truth) */
  --text-1: #0f172a; /* Deep Slate Navy — Authoritative, razor-sharp readable */
  --text-2: #334155; /* Slate 700 — Clear, effortless long-form reading */
  --text-3: #64748b; /* Slate 500 — Refined metadata & subtitles */
  --text-inverse: #ffffff;

  /* Type Stack */
  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', ui-monospace, Menlo, monospace;

  /* Geometry & Shadows */
  --max-w: 1200px;
  --r-sm: 6px;
  --r-md: 12px;
  --r-lg: 20px;
  --r-xl: 28px;
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 16px -2px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 12px 32px -4px rgba(15, 23, 42, 0.08);

  /* Motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --spring: cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Safe Area Insets for Mobile / Notched Displays */
  --sat: env(safe-area-inset-top, 0px);
  --sab: env(safe-area-inset-bottom, 0px);
  --sal: env(safe-area-inset-left, 0px);
  --sar: env(safe-area-inset-right, 0px);
}

/* --------------------------------------------------------------------------
   2. RESET & BASE
   -------------------------------------------------------------------------- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
  width: 100%;
  max-width: 100vw;
  overflow-x: hidden;
  background-color: var(--bg-base);
}

body {
  background-color: var(--bg-base);
  color: var(--text-2);
  font-family: var(--font-sans);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
}

body.nav-open {
  overflow: hidden;
  touch-action: none;
}

a { color: inherit; text-decoration: none; }
img, svg, canvas, iframe, video { display: block; max-width: 100%; height: auto; }
button { cursor: pointer; border: none; background: none; font: inherit; }

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

/* --------------------------------------------------------------------------
   3. LAYOUT PRIMITIVES
   -------------------------------------------------------------------------- */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 max(24px, env(safe-area-inset-right, 0px), env(safe-area-inset-left, 0px));
  width: 100%;
}

.section {
  padding: 120px 0;
  position: relative;
}

.section-sm { padding: 80px 0; }

/* Subtle Ambient Grain Texture */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.02'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
  opacity: 0.5;
}

/* --------------------------------------------------------------------------
   4. NAVIGATION (BRIGHT FROSTED GLASS & TRUST BLUE CTA)
   -------------------------------------------------------------------------- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0 24px;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(20px) saturate(1.5);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s var(--ease-in-out),
              border-color 0.3s var(--ease-in-out),
              box-shadow 0.3s var(--ease-in-out);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.96);
  border-bottom-color: rgba(15, 23, 42, 0.12);
  box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.05);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  max-width: var(--max-w);
  margin: 0 auto;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.02em;
  color: var(--text-1);
  transition: opacity 0.2s;
}
.logo:hover { opacity: 0.85; }

.logo-mark {
  width: 32px; height: 32px;
  border-radius: var(--r-sm);
  background: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.05em;
  flex-shrink: 0;
  box-shadow: 0 2px 10px var(--accent-glow);
}

.brand-logo-img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  object-fit: cover;
  flex-shrink: 0;
  border: 1px solid rgba(0, 82, 204, 0.2);
  box-shadow: 0 2px 8px rgba(0, 82, 204, 0.12);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  background: #ffffff;
}

.logo:hover .brand-logo-img {
  transform: scale(1.05);
  border-color: var(--accent);
  box-shadow: 0 4px 14px rgba(0, 82, 204, 0.25);
}

/* Nav Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-2);
  padding: 7px 14px;
  border-radius: var(--r-sm);
  transition: color 0.2s, background 0.2s;
}

.nav-links a:hover {
  color: var(--accent);
  background: var(--accent-muted);
}

/* Nav Controls */
.nav-controls { display: flex; align-items: center; gap: 8px; }

.btn-nav-cta {
  font-size: 13.5px;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: var(--r-sm);
  background: linear-gradient(135deg, #0052cc 0%, #0066ff 100%);
  color: #ffffff;
  transition: opacity 0.2s, transform 0.15s var(--spring), box-shadow 0.2s;
  letter-spacing: -0.01em;
  box-shadow: 0 2px 10px rgba(0, 82, 204, 0.25);
}
.btn-nav-cta:hover {
  opacity: 0.95;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0, 82, 204, 0.35);
  color: #ffffff;
}

/* Mobile toggle */
.mobile-toggle {
  display: none;
  padding: 8px;
  border-radius: var(--r-sm);
  color: var(--text-1);
  transition: color 0.2s, background 0.2s;
}
.mobile-toggle:hover { background: var(--bg-elevated); color: var(--accent); }

.hamburger {
  display: block;
  width: 18px; height: 2px;
  background: currentColor;
  border-radius: 2px;
  position: relative;
  transition: transform 0.25s var(--ease-in-out);
}
.hamburger::before, .hamburger::after {
  content: '';
  position: absolute;
  left: 0; width: 100%; height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform 0.25s var(--ease-in-out), top 0.25s;
}
.hamburger::before { top: -6px; }
.hamburger::after  { top:  6px; }

.mobile-toggle.active .hamburger { background: transparent; }
.mobile-toggle.active .hamburger::before { top: 0; transform: rotate(45deg); }
.mobile-toggle.active .hamburger::after  { top: 0; transform: rotate(-45deg); }

/* --------------------------------------------------------------------------
   5. BUTTONS (ENTERPRISE TRUST GRADE)
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 14px;
  padding: 12px 24px;
  border-radius: var(--r-md);
  transition: all 0.2s var(--ease-out);
  letter-spacing: -0.01em;
  white-space: nowrap;
  position: relative;
}

.btn-primary {
  background: linear-gradient(135deg, #0052cc 0%, #0066ff 100%);
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(0, 82, 204, 0.25);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 82, 204, 0.35);
  color: #ffffff;
}
.btn-primary:active { transform: translateY(0); }

.btn-ghost, .btn-secondary {
  background: #ffffff;
  color: var(--text-1);
  border: 1px solid rgba(15, 23, 42, 0.14);
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
}
.btn-ghost:hover, .btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: #f8fafc;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(0, 82, 204, 0.1);
}

.btn-lg {
  font-size: 15px;
  padding: 14px 28px;
}

/* --------------------------------------------------------------------------
   6. SCROLL ANIMATIONS
   -------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.65s var(--ease-out),
              transform 0.65s var(--ease-out);
}
.reveal.in-view {
  opacity: 1;
  transform: none;
}
.reveal.delay-1 { transition-delay: 0.1s; }
.reveal.delay-2 { transition-delay: 0.2s; }
.reveal.delay-3 { transition-delay: 0.3s; }
.reveal.delay-4 { transition-delay: 0.4s; }
.reveal.delay-5 { transition-delay: 0.5s; }

/* --------------------------------------------------------------------------
   7. HERO SECTION (BRIGHT, PEACEFUL & HIGH-TRUST)
   -------------------------------------------------------------------------- */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 130px 0 80px;
  position: relative;
  overflow: hidden;
  background-color: var(--bg-base);
}

/* Ambient calming gradient background */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 30%, rgba(0, 82, 204, 0.07) 0%, transparent 65%),
    radial-gradient(ellipse 60% 50% at 85% 25%, rgba(2, 132, 199, 0.06) 0%, transparent 55%),
    radial-gradient(ellipse 50% 40% at 50% 80%, rgba(13, 148, 136, 0.05) 0%, transparent 55%);
  pointer-events: none;
}

/* Crisp subtle dot grid pattern */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(15, 23, 42, 0.045) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
}

.hero-inner {
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--accent);
  border: 1px solid #bfdbfe;
  border-radius: 100px;
  padding: 6px 14px;
  margin-bottom: 32px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  background: #eff6ff;
  box-shadow: 0 2px 8px rgba(0, 82, 204, 0.08);
  backdrop-filter: blur(8px);
}

.badge-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: pulse-dot 2.5s ease infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.8); }
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(42px, 6.5vw, 82px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.04em;
  color: var(--text-1);
  margin-bottom: 28px;
  max-width: 800px;
}

.hero-headline .accent-word {
  background: linear-gradient(135deg, #0052cc 0%, #0284c7 50%, #4f46e5 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 18px;
  color: var(--text-2);
  line-height: 1.75;
  max-width: 600px;
  margin-bottom: 48px;
  font-weight: 400;
}

.hero-sub strong {
  color: var(--text-1);
  font-weight: 600;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

/* Hero Stats */
.hero-metrics {
  display: flex;
  gap: 40px;
  padding-top: 48px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}

.metric-item { }

.metric-val {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-1);
  line-height: 1;
  margin-bottom: 4px;
}

.metric-val .accent { color: var(--accent); }

.metric-label {
  font-size: 12.5px;
  color: var(--text-3);
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

/* Animated scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  opacity: 0.5;
  animation: float-up 2.5s ease infinite;
}

@keyframes float-up {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(-6px); }
}

.scroll-line {
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, var(--accent), transparent);
}

/* --------------------------------------------------------------------------
   8. SECTION HEADERS
   -------------------------------------------------------------------------- */
.section-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.section-label::before {
  content: '';
  width: 24px; height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.15;
  color: var(--text-1);
  margin-bottom: 16px;
}

.section-sub {
  font-size: 17px;
  color: var(--text-2);
  max-width: 560px;
  line-height: 1.7;
}

.section-head-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 32px;
  margin-bottom: 64px;
  flex-wrap: wrap;
}

/* --------------------------------------------------------------------------
   9. ABOUT SECTION (INFERENCE CORE & PILLARS)
   -------------------------------------------------------------------------- */
.about-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-copy .section-sub { max-width: 100%; margin-bottom: 32px; }

.about-pillars {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.pillar {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 20px 24px;
  border-radius: var(--r-md);
  border: 1px solid transparent;
  transition: background 0.25s, border-color 0.25s, transform 0.2s;
  cursor: default;
}

.pillar:hover {
  background: #ffffff;
  border-color: var(--border);
  box-shadow: var(--shadow-sm);
  transform: translateX(4px);
}

.pillar-icon {
  width: 38px; height: 38px;
  border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
  margin-top: 2px;
}

.pillar-icon.teal   { background: #eff6ff; color: #0052cc; border: 1px solid #bfdbfe; }
.pillar-icon.violet { background: #eef2ff; color: #4f46e5; border: 1px solid #c7d2fe; }
.pillar-icon.coral  { background: #fff7ed; color: #ea580c; border: 1px solid #fed7aa; }

.pillar-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-1);
  margin-bottom: 4px;
}

.pillar-desc {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.6;
}

/* About Visual — Inference Core diagram */
.about-visual {
  position: relative;
}

.core-card {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 36px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.core-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, #0052cc, #0284c7, #4f46e5);
}

.core-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

.core-nodes {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.core-node {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  transition: border-color 0.2s, background 0.2s, transform 0.15s;
}

.core-node:hover {
  border-color: var(--accent);
  background: #ffffff;
  box-shadow: 0 2px 8px rgba(0, 82, 204, 0.08);
}

.node-status {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.node-status.active  { background: var(--accent); box-shadow: 0 0 8px var(--accent); animation: pulse-dot 2s infinite; }
.node-status.routing { background: var(--violet); box-shadow: 0 0 8px var(--violet); animation: pulse-dot 2s 0.4s infinite; }
.node-status.verify  { background: var(--sky); box-shadow: 0 0 8px var(--sky); animation: pulse-dot 2s 0.8s infinite; }
.node-status.output  { background: var(--emerald); box-shadow: 0 0 8px var(--emerald); }

.node-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-1);
  flex: 1;
}

.node-tag {
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 100px;
  font-weight: 500;
  font-family: var(--font-mono);
}

.tag-teal   { background: #eff6ff; color: #0052cc; }
.tag-violet { background: #eef2ff; color: #4f46e5; }
.tag-sky    { background: #f0f9ff; color: #0284c7; }
.tag-green  { background: #ecfdf5; color: #059669; }

/* Tech Tags */
.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 32px;
}

.tech-tag {
  font-size: 12px;
  font-weight: 500;
  padding: 5px 12px;
  border-radius: 100px;
  border: 1px solid var(--border-bright);
  color: var(--text-2);
  background: #ffffff;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.tech-tag:hover { border-color: var(--accent); color: var(--accent); background: #eff6ff; }

/* Founder Spotlight Card */
.founder-spotlight-card {
  grid-column: 1 / -1;
  margin-top: 56px;
  padding: 36px 32px;
  background: #ffffff;
  border: 1px solid rgba(0, 82, 204, 0.18);
  border-radius: var(--r-lg);
  box-shadow: 0 10px 30px -5px rgba(15, 23, 42, 0.06), 0 0 20px rgba(0, 82, 204, 0.04);
  position: relative;
  overflow: hidden;
}

.founder-spotlight-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; width: 4px; height: 100%;
  background: linear-gradient(to bottom, #0052cc, #4f46e5);
}

/* --------------------------------------------------------------------------
   10. SECTORS SECTION
   -------------------------------------------------------------------------- */
.sectors-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  border-radius: var(--r-xl);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--border);
  box-shadow: var(--shadow-md);
}

.sector-card {
  padding: 40px;
  background: #ffffff;
  transition: background 0.25s, transform 0.2s;
  position: relative;
  overflow: hidden;
}

.sector-card::after {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}

.sector-card:hover { background: #fbfcfe; }

/* Sector color theming */
.sector-card.s-health  { --sector-color: #059669; }
.sector-card.s-edu     { --sector-color: #4f46e5; }
.sector-card.s-security{ --sector-color: #0052cc; }
.sector-card.s-hr      { --sector-color: #ea580c; }

.sector-card:hover::after {
  opacity: 1;
  background: radial-gradient(ellipse 60% 60% at 50% 0%, color-mix(in srgb, var(--sector-color) 6%, transparent) 0%, transparent 70%);
}

.sector-icon-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}

.sector-emoji {
  width: 44px; height: 44px;
  border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  background: color-mix(in srgb, var(--sector-color) 10%, #ffffff);
  border: 1px solid color-mix(in srgb, var(--sector-color) 25%, transparent);
}

.sector-status {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 100px;
  color: var(--sector-color);
  background: color-mix(in srgb, var(--sector-color) 8%, #ffffff);
  border: 1px solid color-mix(in srgb, var(--sector-color) 20%, transparent);
}

.sector-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-1);
  margin-bottom: 12px;
  line-height: 1.25;
}

.sector-flagship {
  font-size: 12px;
  font-weight: 600;
  color: var(--sector-color);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.sector-desc {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.7;
  margin-bottom: 24px;
}

.sector-caps {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 28px;
}

.cap-tag {
  font-size: 11.5px;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: 4px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-2);
  font-family: var(--font-mono);
}

.sector-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--sector-color);
  transition: gap 0.2s;
}
.sector-link:hover { gap: 10px; }
.sector-link .arrow { transition: transform 0.2s; }
.sector-link:hover .arrow { transform: translateX(2px); }

/* --------------------------------------------------------------------------
   11. LIFECYCLE SECTION
   -------------------------------------------------------------------------- */
.lifecycle-header { margin-bottom: 72px; }

.lifecycle-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  position: relative;
  gap: 0;
}

/* Connector line */
.lifecycle-steps::before {
  content: '';
  position: absolute;
  top: 20px;
  left: calc(10% + 20px);
  right: calc(10% + 20px);
  height: 2px;
  background: linear-gradient(90deg, var(--border), rgba(0, 82, 204, 0.3), var(--border));
  pointer-events: none;
  z-index: 0;
}

.lifecycle-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 16px;
  position: relative;
  z-index: 1;
}

.step-bubble {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: #ffffff;
  border: 1px solid var(--border-bright);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
  margin-bottom: 20px;
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}

.lifecycle-step:hover .step-bubble {
  border-color: var(--accent);
  box-shadow: 0 0 16px var(--accent-glow);
  transform: scale(1.1);
}

.step-num {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}

.step-title {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.step-desc {
  font-size: 13px;
  color: var(--text-3);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   12. PRODUCT CARDS
   -------------------------------------------------------------------------- */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.product-card {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 32px;
  display: flex;
  flex-direction: column;
  transition: border-color 0.25s, transform 0.25s var(--ease-out), box-shadow 0.25s;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, #0052cc, #0284c7);
  opacity: 0;
  transition: opacity 0.25s;
}

.product-card:hover {
  border-color: rgba(0, 82, 204, 0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

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

.product-badge {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
  display: inline-block;
  padding: 3px 8px;
  background: #eff6ff;
  border-radius: 4px;
  align-self: flex-start;
}

.product-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-1);
  margin-bottom: 12px;
}

.product-desc {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.7;
  margin-bottom: 24px;
  flex: 1;
}

.product-features {
  list-style: none;
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.product-features li {
  font-size: 13.5px;
  color: var(--text-2);
  display: flex;
  align-items: center;
  gap: 8px;
}

.product-features li::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   13. WHY DIFFERENT (HONESTY & VALUE)
   -------------------------------------------------------------------------- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  overflow: hidden;
  background: var(--border);
  box-shadow: var(--shadow-md);
}

.why-item {
  padding: 40px 36px;
  background: #ffffff;
  position: relative;
  transition: background 0.25s;
}

.why-item:hover { background: #fbfcfe; }

.why-num {
  font-family: var(--font-display);
  font-size: 56px;
  font-weight: 800;
  letter-spacing: -0.05em;
  color: rgba(15, 23, 42, 0.06);
  line-height: 1;
  margin-bottom: 20px;
  transition: color 0.3s;
}
.why-item:hover .why-num { color: rgba(0, 82, 204, 0.12); }

.why-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-1);
  margin-bottom: 12px;
}

.why-desc {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   14. TERMINAL (DEV INTELLIGENCE PREVIEW)
   -------------------------------------------------------------------------- */
.terminal-wrap {
  margin-top: 60px;
  background: #0f172a;
  border: 1px solid rgba(15, 23, 42, 0.2);
  border-radius: var(--r-lg);
  overflow: hidden;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
  box-shadow: 0 20px 60px rgba(15, 23, 42, 0.16);
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
}

.t-dot {
  width: 12px; height: 12px;
  border-radius: 50%;
}
.t-dot.red    { background: #ef4444; }
.t-dot.yellow { background: #f59e0b; }
.t-dot.green  { background: #10b981; }

.t-title {
  font-size: 12px;
  font-weight: 500;
  color: #94a3b8;
  margin-left: auto;
  font-family: var(--font-mono);
}

.terminal-body {
  padding: 28px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.9;
  color: #cbd5e1;
  white-space: pre;
  overflow-x: auto;
}

.t-cmd   { color: #38bdf8; font-weight: 600; }
.t-key   { color: #818cf8; }
.t-val   { color: #f8fafc; }
.t-ok    { color: #34d399; }
.t-note  { color: #64748b; font-style: italic; }

/* --------------------------------------------------------------------------
   15. TECH FOUNDATION GRID
   -------------------------------------------------------------------------- */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  overflow: hidden;
  background: var(--border);
  box-shadow: var(--shadow-md);
}

.tech-item {
  padding: 32px 28px;
  background: #ffffff;
  transition: background 0.25s, transform 0.2s;
}

.tech-item:hover { background: #fbfcfe; }

.tech-icon-wrap {
  width: 40px; height: 40px;
  border-radius: var(--r-sm);
  background: #eff6ff;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  margin-bottom: 16px;
  border: 1px solid #bfdbfe;
  color: #0052cc;
}

.tech-name {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}

.tech-desc {
  font-size: 13px;
  color: var(--text-3);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   16. ARCHITECTURE / NODE GRAPH
   -------------------------------------------------------------------------- */
.graph-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  position: relative;
  padding: 48px 24px;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.graph-container::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(15, 23, 42, 0.04) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}

.graph-node {
  background: #ffffff;
  border: 1px solid var(--border-bright);
  border-radius: var(--r-md);
  padding: 20px 24px;
  width: 300px;
  position: relative;
  z-index: 1;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}

.graph-node:hover {
  border-color: var(--accent);
  box-shadow: 0 6px 20px rgba(0, 82, 204, 0.15);
  transform: translateY(-2px);
}

.graph-node.node-core {
  width: 340px;
  border-color: rgba(0, 82, 204, 0.35);
  background: #eff6ff;
}

.graph-node.node-sub {
  border-color: rgba(79, 70, 229, 0.3);
  background: #eef2ff;
}

.graph-node.node-safety {
  border-color: rgba(2, 132, 199, 0.3);
  background: #f0f9ff;
}

.graph-node.node-output {
  border-color: rgba(5, 150, 105, 0.3);
  background: #ecfdf5;
}

.node-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.node-icon-wrap {
  width: 32px; height: 32px;
  border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
  background: #ffffff;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.08);
}

.node-label {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--text-1);
  letter-spacing: -0.01em;
}

.node-desc {
  font-size: 12.5px;
  color: var(--text-2);
  line-height: 1.5;
  margin-bottom: 10px;
}

.node-chip {
  font-size: 10.5px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 4px;
  background: var(--accent-muted);
  color: var(--accent);
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
  display: inline-block;
}

/* Graph connectors */
.graph-edge {
  width: 2px;
  height: 32px;
  background: linear-gradient(to bottom, var(--border-bright), var(--border));
  position: relative;
  z-index: 1;
}

.graph-edge::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%;
  transform: translateX(-50%) rotate(45deg);
  width: 6px; height: 6px;
  border-right: 2px solid var(--border-bright);
  border-bottom: 2px solid var(--border-bright);
}

.graph-fork {
  display: flex;
  gap: 32px;
  align-items: flex-start;
  position: relative;
  z-index: 1;
  padding: 0 24px;
}

.graph-fork::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: calc(50% - 18px);
  height: 2px;
  background: var(--border-bright);
  box-shadow: calc(100% - 36px) 0 0 0 var(--border-bright);
}

/* --------------------------------------------------------------------------
   17. TRUST & SECURITY STRIP (HONEST ENTERPRISE ASSURANCE)
   -------------------------------------------------------------------------- */
.trust-strip {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 48px 0;
  background: #ffffff;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
}

.trust-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 32px;
}

.trust-item:not(:last-child) { border-right: 1px solid var(--border); }

.trust-icon {
  font-size: 24px;
  flex-shrink: 0;
}

.trust-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 4px;
}

.trust-desc {
  font-size: 13px;
  color: var(--text-3);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   18. CTA SECTION (INVITING, CLEAR & TRANSPARENT)
   -------------------------------------------------------------------------- */
.cta-section {
  padding: 120px 0;
  position: relative;
  overflow: hidden;
  background: #ffffff;
  border-top: 1px solid var(--border);
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 800px; height: 400px;
  background: radial-gradient(ellipse, rgba(0, 82, 204, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.cta-inner {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
  position: relative;
}

.cta-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.1;
  color: var(--text-1);
  margin-bottom: 20px;
}

.cta-title .accent { color: var(--accent); }

.cta-sub {
  font-size: 17px;
  color: var(--text-2);
  line-height: 1.7;
  margin-bottom: 40px;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

/* Waitlist form */
.waitlist-form {
  display: flex;
  gap: 8px;
  max-width: 440px;
  margin: 0 auto;
}

.waitlist-form input {
  flex: 1;
  background: #ffffff;
  border: 1px solid var(--border-bright);
  border-radius: var(--r-md);
  padding: 12px 18px;
  font-size: 14px;
  font-family: var(--font-sans);
  color: var(--text-1);
  outline: none;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.2s, box-shadow 0.2s;
  min-width: 0;
}

.waitlist-form input::placeholder { color: var(--text-3); }
.waitlist-form input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-muted);
}

.cta-note {
  font-size: 12px;
  color: var(--text-3);
  margin-top: 16px;
  letter-spacing: 0.02em;
}

/* --------------------------------------------------------------------------
   19. FOOTER
   -------------------------------------------------------------------------- */
.footer {
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
  background: #ffffff;
}

.footer-top {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 80px;
  margin-bottom: 56px;
}

.footer-brand .logo { margin-bottom: 16px; }

.footer-tagline {
  font-size: 13.5px;
  color: var(--text-3);
  line-height: 1.7;
  margin-bottom: 20px;
}

.footer-social {
  display: flex;
  gap: 8px;
}

.social-btn {
  width: 34px; height: 34px;
  border-radius: var(--r-sm);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-3);
  background: var(--bg-base);
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.social-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: #eff6ff;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.footer-col h4 {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-1);
  margin-bottom: 20px;
}

.footer-col a {
  display: block;
  font-size: 14px;
  color: var(--text-2);
  margin-bottom: 12px;
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--accent); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-copy {
  font-size: 13px;
  color: var(--text-3);
}

.footer-philosophy {
  font-size: 12px;
  color: var(--text-3);
  font-style: italic;
}

/* --------------------------------------------------------------------------
   20. FADE-IN ENTRANCE ANIMATIONS
   -------------------------------------------------------------------------- */
@keyframes fade-in-up {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: none; }
}

.fade-in { animation: fade-in-up 0.7s var(--ease-out) both; }
.fade-in.d1 { animation-delay: 0.15s; }
.fade-in.d2 { animation-delay: 0.3s; }
.fade-in.d3 { animation-delay: 0.45s; }
.fade-in.d4 { animation-delay: 0.6s; }

/* --------------------------------------------------------------------------
   21. RESPONSIVE MEDIA QUERIES
   -------------------------------------------------------------------------- */
@media (max-width: 1200px) {
  .hero-headline { font-size: clamp(38px, 5.5vw, 68px); }
  .about-layout { gap: 48px; }
}

@media (max-width: 1024px) {
  .about-layout      { grid-template-columns: 1fr; gap: 48px; }
  .sectors-grid      { grid-template-columns: 1fr; }
  .tech-grid         { grid-template-columns: repeat(2, 1fr); }
  .lifecycle-steps   { grid-template-columns: 1fr; gap: 24px; }
  .lifecycle-steps::before { display: none; }
  .lifecycle-step    { padding: 18px 16px; background: #ffffff; border: 1px solid var(--border); border-radius: var(--r-md); }
  .products-grid     { grid-template-columns: 1fr; }
  .why-grid          { grid-template-columns: 1fr; }
  .footer-top        { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 768px) {
  .section           { padding: clamp(60px, 12vh, 80px) 0; }
  .section-head-row  { margin-bottom: 36px; gap: 20px; }
  .nav-links         {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    bottom: 0;
    height: calc(100dvh - 64px);
    height: calc(100vh - 64px);
    flex-direction: column;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    padding: 24px 20px calc(32px + var(--sab, 0px));
    gap: 8px;
    z-index: 999;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 20px 40px rgba(15, 23, 42, 0.1);
  }
  .nav-links.open    { display: flex; }
  .nav-links a       { font-size: 16.5px; padding: 12px 16px; border-radius: var(--r-sm); color: var(--text-1); }
  .nav-links a:hover { background: #eff6ff; color: var(--accent); }
  .mobile-toggle     { display: flex; align-items: center; justify-content: center; min-width: 42px; min-height: 42px; }
  .btn-nav-cta       { font-size: 12px; padding: 7px 12px; }
  
  .hero              { min-height: auto; padding: 110px 0 60px; }
  .hero-headline     { font-size: clamp(32px, 8.5vw, 48px); line-height: 1.12; margin-bottom: 20px; }
  .hero-sub          { font-size: 15.5px; line-height: 1.65; margin-bottom: 32px; }
  .hero-metrics      { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px 16px; padding-top: 32px; width: 100%; }
  .metric-val        { font-size: 24px; }
  
  .founder-spotlight-card { padding: 24px 20px !important; margin-top: 36px !important; }
  .founder-spotlight-card > div { flex-direction: column !important; gap: 20px !important; }
  .founder-spotlight-card > div > div:last-child { min-width: 0 !important; width: 100% !important; }
  
  .footer-links      { grid-template-columns: 1fr 1fr; gap: 32px; }
  .trust-grid        { grid-template-columns: 1fr; gap: 0; }
  .trust-item        { padding: 16px 0; }
  .trust-item:not(:last-child) { border-right: none; border-bottom: 1px solid var(--border); }
  
  .graph-container   { padding: 32px 16px; }
  .graph-fork        { flex-direction: column; align-items: center; gap: 16px; width: 100%; padding: 0; }
  .graph-fork::before{ display: none; }
  .graph-node        { width: 100% !important; max-width: 100% !important; box-sizing: border-box; }
  
  .cta-section       { padding: 80px 0; }
  .cta-title         { font-size: clamp(28px, 7vw, 42px); }
  .cta-sub           { font-size: 15.5px; margin-bottom: 28px; }
}

@media (max-width: 480px) {
  .container         { padding: 0 max(16px, env(safe-area-inset-right, 0px), env(safe-area-inset-left, 0px)); }
  .logo              { font-size: 15px; gap: 8px; }
  .brand-logo-img    { width: 26px; height: 26px; }
  .btn-nav-cta       { font-size: 11px; padding: 6px 10px; }
  
  .hero-badge        { font-size: 11px; padding: 5px 12px; margin-bottom: 20px; max-width: 100%; }
  .hero-headline     { font-size: clamp(28px, 8.2vw, 36px); }
  .hero-actions      { flex-direction: column; align-items: stretch; width: 100%; gap: 10px; margin-bottom: 36px; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  
  .core-card         { padding: 20px 14px; border-radius: var(--r-lg); }
  .core-node         { padding: 10px 12px; gap: 8px; }
  .node-name         { font-size: 12px; }
  .node-tag          { font-size: 10px; padding: 2px 6px; }
  .pillar            { padding: 14px 10px; gap: 12px; }
  
  .sector-card       { padding: 24px 16px; }
  .sector-emoji      { width: 38px; height: 38px; font-size: 18px; }
  .sector-title      { font-size: 18px; }
  .cap-tag           { font-size: 11px; padding: 3px 8px; }
  
  .product-card      { padding: 24px 16px; }
  .product-title     { font-size: 18px; }
  
  .why-item          { padding: 24px 16px; }
  .why-num           { font-size: 38px; margin-bottom: 8px; }
  
  .terminal-wrap     { margin-top: 28px; border-radius: var(--r-md); }
  .terminal-bar      { padding: 10px 14px; }
  .terminal-body     { padding: 16px 12px; font-size: 11px; line-height: 1.6; }
  
  .tech-grid         { grid-template-columns: 1fr; }
  .tech-item         { padding: 20px 16px; }
  
  .cta-actions       { flex-direction: column; width: 100%; gap: 10px; }
  .cta-actions .btn  { width: 100%; justify-content: center; }
  .waitlist-form     { flex-direction: column; width: 100%; gap: 10px; }
  .waitlist-form input { width: 100%; min-height: 48px; font-size: 16px; }
  .waitlist-form button { width: 100%; min-height: 48px; justify-content: center; }
  
  .footer-links      { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom     { flex-direction: column; text-align: center; gap: 12px; }
}

@media (max-width: 350px) {
  .container         { padding: 0 12px; }
  .btn-nav-cta       { display: none; }
  .logo span         { font-size: 13.5px; }
  .hero-headline     { font-size: 25px; }
  .hero-metrics      { grid-template-columns: 1fr; gap: 14px; }
  .metric-val        { font-size: 22px; }
  .founder-spotlight-card { padding: 16px 12px !important; }
  .founder-spotlight-card a { font-size: 11px !important; padding: 7px 8px !important; width: 100%; text-align: center; justify-content: center; }
}

@media (max-height: 500px) and (orientation: landscape) {
  .nav-links         { padding: 14px 20px; gap: 4px; }
  .nav-links a       { font-size: 13.5px; padding: 6px 10px; }
  .hero              { padding: 80px 0 40px; min-height: auto; }
}