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

/* ═══════════════════════════════════════════════════
   GLOBAL DESIGN TOKENS & PREMIUM GLASSMORPHISM
═══════════════════════════════════════════════════ */
:root {
  /* Core Brand Colors */
  --primary: #0037ff;
  --primary-dark: #00028f;
  --primary-light: #4da3ff;

  /* Light Theme */
  --bg-main: #f4f7fc;
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-secondary: #475569;

  /* Premium Glassmorphism (Light) */
  --glass-bg: rgba(255, 255, 255, 0.65);
  --glass-border: rgba(255, 255, 255, 0.4);
  --glass-edge: rgba(255, 255, 255, 0.8);
  --glass-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
  --nav-bg: rgba(255, 255, 255, 0.7);
  --glass-blur: blur(16px);

  /* Typography & Structure */
  --font-sans: 'Inter', system-ui, sans-serif;
  --nav-h: 4rem;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  --transition: 300ms cubic-bezier(0.16, 1, 0.3, 1);
  --container-max: 1200px;
}

[data-theme="dark"] {
  --bg-main: #050812;
  --text-main: #ffffff;
  --text-muted: #94a3b8;
  --text-secondary: #94a3b8;

  --glass-bg: rgba(15, 23, 42, 0.4);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-edge: rgba(255, 255, 255, 0.05);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  --nav-bg: rgba(5, 8, 18, 0.7);
}

/* ═══════════════════════════════════════════════════
   RESET & AMBIENT BACKGROUND
═══════════════════════════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  background-image:
    radial-gradient(circle at 10% 20%, rgba(0, 55, 255, 0.05) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(77, 163, 255, 0.08) 0%, transparent 40%);
  background-attachment: fixed;
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  transition: background-color var(--transition), color var(--transition);
}
[data-theme="dark"] body {
  background-image:
    radial-gradient(circle at 10% 20%, rgba(0, 55, 255, 0.15) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(77, 163, 255, 0.1) 0%, transparent 40%);
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; background: none; border: none; }
img, svg { display: block; max-width: 100%; }
.container { width: 100%; max-width: var(--container-max); margin-inline: auto; padding-inline: 1.5rem; }

/* ═══════════════════════════════════════════════════
   GLASS NAVBAR
═══════════════════════════════════════════════════ */
.nav {
  position: fixed; inset-block-start: 0; inset-inline: 0; z-index: 900;
  height: var(--nav-h);
  background: var(--nav-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border);
  display: flex; align-items: center;
  transition: all var(--transition);
}
.nav-inner { width: 100%; max-width: var(--container-max); margin-inline: auto; padding-inline: 1.5rem; display: flex; align-items: center; justify-content: space-between; }
.nav-logo { display: flex; align-items: center; gap: 0.5rem; font-weight: 800; font-size: 1.25rem; letter-spacing: -0.02em; }

/* ═══════════════════════════════════════════════════
   LOGO STYLES
═══════════════════════════════════════════════════ */
.img-logo {
  height: 32px;
  width: 32px;
  object-fit: contain;
  filter: drop-shadow(0 4px 12px rgba(0, 55, 255, 0.2));
}

.footer-logo-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  margin-bottom: 1rem;
}
.footer-logo-link h4 { margin-bottom: 0 !important; }

.nav-logo span { color: var(--primary); }
.nav-links { display: none; gap: 0.5rem; }
@media (min-width: 768px) { .nav-links { display: flex; } }
.nav-links a {
  padding: 0.5rem 1rem; font-size: 0.875rem; font-weight: 500;
  color: var(--text-muted); border-radius: var(--radius-md);
  transition: var(--transition);
}
.nav-links a:hover, .nav-links a.active {
  color: var(--text-main);
  background: rgba(0,0,0,0.05);
}
[data-theme="dark"] .nav-links a:hover,
[data-theme="dark"] .nav-links a.active { background: rgba(255,255,255,0.05); }

.nav-actions { display: flex; align-items: center; gap: 1rem; }
.theme-toggle {
  display: flex; align-items: center; justify-content: center;
  width: 2.25rem; height: 2.25rem; border-radius: var(--radius-full);
  color: var(--text-muted); transition: var(--transition);
  background: rgba(0,0,0,0.03);
}
[data-theme="dark"] .theme-toggle { background: rgba(255,255,255,0.05); }
.theme-toggle:hover { color: var(--text-main); background: rgba(0,0,0,0.08); }
[data-theme="dark"] .theme-toggle:hover { background: rgba(255,255,255,0.1); }
[data-theme="dark"] .icon-moon { display: none; }
[data-theme="light"] .icon-sun, :root:not([data-theme="dark"]) .icon-sun { display: none; }

/* Hamburger Menu Button */
.hamburger {
  display: none;
  position: relative;
  width: 24px;
  height: 24px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1001;
}
.hamburger span {
  position: absolute;
  left: 2px;
  right: 2px;
  height: 2px;
  background-color: var(--text-main);
  border-radius: var(--radius-full);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), 
              opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1),
              background-color var(--transition);
}
.hamburger span:nth-child(1) { top: 6px; }
.hamburger span:nth-child(2) { top: 11px; }
.hamburger span:nth-child(3) { top: 16px; }

.btn-primary {
  background: var(--primary); color: #fff !important; padding: 0.5rem 1.25rem;
  border-radius: var(--radius-full); font-size: 0.875rem; font-weight: 600;
  box-shadow: 0 4px 12px rgba(0, 55, 255, 0.25); transition: var(--transition);
}
.btn-primary:hover { transform: translateY(-1px); background: var(--primary-light); box-shadow: 0 6px 16px rgba(0, 55, 255, 0.35); }

/* ═══════════════════════════════════════════════════
   HERO SECTION
═══════════════════════════════════════════════════ */
.hero {
  padding-block: calc(var(--nav-h) + 6rem) 5rem;
  text-align: center; position: relative; overflow: hidden;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.375rem 1rem; border-radius: var(--radius-full);
  background: var(--glass-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--glass-border);
  box-shadow: inset 1px 1px 0 0 var(--glass-edge);
  color: var(--primary); font-size: 0.75rem; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase;
  margin-bottom: 2rem;
}
[data-theme="dark"] .eyebrow { color: var(--primary-light); }

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem); font-weight: 800;
  letter-spacing: -0.04em; line-height: 1.05; margin-bottom: 1rem;
  color: var(--text-main);
}
.hero-tagline {
  font-size: clamp(1rem, 2vw, 1.125rem);
  font-weight: 600;
  color: var(--primary);
  letter-spacing: 0.01em;
  margin-bottom: 1rem;
}
[data-theme="dark"] .hero-tagline { color: var(--primary-light); }

.hero p {
  font-size: clamp(1.0625rem, 2vw, 1.1875rem); color: var(--text-muted);
  max-width: 580px; margin: 0 auto 2.5rem; line-height: 1.6;
}
.hero-actions { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; }
.btn-secondary {
  padding: 0.5rem 1.25rem; border-radius: var(--radius-full);
  font-size: 0.875rem; font-weight: 600; color: var(--text-main);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  transition: var(--transition);
}
.btn-secondary:hover { background: rgba(0,0,0,0.03); }
[data-theme="dark"] .btn-secondary:hover { background: rgba(255,255,255,0.05); }

/* ═══════════════════════════════════════════════════
   PREMIUM GLASS CARDS
═══════════════════════════════════════════════════ */
.section { padding-block: 5rem; position: relative; z-index: 10; }
.section-header { text-align: center; margin-bottom: 4rem; }
.section-header h2 { font-size: clamp(2rem, 4vw, 2.5rem); font-weight: 700; letter-spacing: -0.03em; margin-bottom: 1rem; }
.section-header p { font-size: 1.125rem; color: var(--text-muted); max-width: 600px; margin: 0 auto; }

.grid { display: grid; gap: 1.5rem; }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr)); }

.glass-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  box-shadow: inset 1px 1px 0 0 var(--glass-edge), var(--glass-shadow);
  border-radius: var(--radius-xl);
  padding: 2rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.glass-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 55, 255, 0.2);
  box-shadow: inset 1px 1px 0 0 var(--glass-edge), 0 12px 32px rgba(0, 55, 255, 0.08);
}
[data-theme="dark"] .glass-card:hover {
  border-color: rgba(77, 163, 255, 0.3);
  box-shadow: inset 1px 1px 0 0 var(--glass-edge), 0 12px 32px rgba(0, 0, 0, 0.6);
}

.glass-card .icon {
  width: 3rem; height: 3rem; border-radius: var(--radius-md);
  background: rgba(0, 55, 255, 0.08); color: var(--primary);
  display: flex; align-items: center; justify-content: center; margin-bottom: 1.5rem;
}
[data-theme="dark"] .glass-card .icon { background: rgba(77, 163, 255, 0.1); color: var(--primary-light); }
.glass-card h3 { font-size: 1.125rem; font-weight: 600; margin-bottom: 0.75rem; letter-spacing: -0.01em; }
.glass-card p { font-size: 0.9375rem; color: var(--text-muted); line-height: 1.6; }

/* ═══════════════════════════════════════════════════
   WHY SECTION
═══════════════════════════════════════════════════ */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
  gap: 1.5rem;
}
.why-card { padding: 2rem; }
.why-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary);
  opacity: 0.15;
  line-height: 1;
  margin-bottom: 1rem;
  font-variant-numeric: tabular-nums;
}
[data-theme="dark"] .why-number { opacity: 0.25; }

/* ═══════════════════════════════════════════════════
   AUDIENCE / WHO IS IT FOR
═══════════════════════════════════════════════════ */
.audience-card { display: flex; flex-direction: column; }
.audience-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 1rem;
}
[data-theme="dark"] .audience-tag { color: var(--primary-light); }
.audience-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.audience-list li {
  font-size: 0.875rem;
  color: var(--text-muted);
  padding-left: 1rem;
  position: relative;
}
.audience-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-size: 0.75rem;
  top: 0.05em;
}
[data-theme="dark"] .audience-list li::before { color: var(--primary-light); }

/* ═══════════════════════════════════════════════════
   LEARNING TOOLS NOTE
═══════════════════════════════════════════════════ */
.learning-tools-note { margin-top: 2rem; max-width: 700px; margin-left: auto; margin-right: auto; }

/* ═══════════════════════════════════════════════════
   ROADMAP
═══════════════════════════════════════════════════ */
.roadmap-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}
.roadmap-phase { display: flex; flex-direction: column; gap: 0.5rem; }
.phase-badge {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding-left: 0.25rem;
}
.roadmap-card { position: relative; }
.active-phase .phase-badge { color: var(--primary); }
[data-theme="dark"] .active-phase .phase-badge { color: var(--primary-light); }
.active-phase .roadmap-card {
  border-color: rgba(0, 55, 255, 0.3);
  box-shadow: inset 1px 1px 0 0 var(--glass-edge), 0 0 0 1px rgba(0, 55, 255, 0.1), var(--glass-shadow);
}
[data-theme="dark"] .active-phase .roadmap-card {
  border-color: rgba(77, 163, 255, 0.35);
}

.phase-dot {
  width: 0.625rem; height: 0.625rem;
  border-radius: 50%;
  background: var(--primary);
  position: absolute;
  top: 1.5rem; right: 1.5rem;
  box-shadow: 0 0 8px rgba(0, 55, 255, 0.5);
}
.phase-dot-future {
  background: var(--text-muted);
  opacity: 0.35;
  box-shadow: none;
}
.phase-status { margin-top: 1rem; }
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}
.status-active {
  background: rgba(16, 185, 129, 0.1);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.2);
}
.status-upcoming {
  background: rgba(0, 55, 255, 0.08);
  color: var(--primary);
  border: 1px solid rgba(0, 55, 255, 0.15);
}
[data-theme="dark"] .status-upcoming { color: var(--primary-light); border-color: rgba(77, 163, 255, 0.2); }
.status-planned {
  background: rgba(100, 116, 139, 0.08);
  color: var(--text-muted);
  border: 1px solid rgba(100, 116, 139, 0.15);
}

/* ═══════════════════════════════════════════════════
   FOUNDER CARD
═══════════════════════════════════════════════════ */
.founder-card { position: relative; }
.founder-quote {
  margin-bottom: 1rem;
}
.founder-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--glass-border);
}
.founder-avatar {
  width: 2.5rem; height: 2.5rem;
  border-radius: 50%;
  background: rgba(0, 55, 255, 0.08);
  color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
[data-theme="dark"] .founder-avatar { background: rgba(77, 163, 255, 0.1); color: var(--primary-light); }

/* ═══════════════════════════════════════════════════
   COMMUNITY
═══════════════════════════════════════════════════ */
.community-cta {
  display: inline-block;
  margin-top: 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary);
  transition: var(--transition);
}
.community-cta:hover { color: var(--primary-light); }
[data-theme="dark"] .community-cta { color: var(--primary-light); }
.coming-soon-tag {
  display: inline-block;
  margin-top: 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: rgba(100, 116, 139, 0.08);
  border: 1px solid rgba(100, 116, 139, 0.15);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
}

/* ═══════════════════════════════════════════════════
   PLATFORM STATUS
═══════════════════════════════════════════════════ */
.status-card { }
.status-badge-row {
  display: flex;
  justify-content: center;
  margin-bottom: 0.5rem;
}
.status-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  text-align: left;
  padding: 1.5rem;
  background: rgba(0,0,0,0.02);
  border-radius: var(--radius-lg);
  border: 1px solid var(--glass-border);
}
[data-theme="dark"] .status-grid { background: rgba(255,255,255,0.02); }
.status-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.status-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.status-value {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-main);
}

/* ═══════════════════════════════════════════════════
   PROSE / CONTENT (Terms, Privacy)
═══════════════════════════════════════════════════ */
.prose-layout { max-width: 800px; margin-inline: auto; padding-block: calc(var(--nav-h) + 4rem) 5rem; }
.prose h2 { font-size: 1.5rem; font-weight: 700; letter-spacing: -0.02em; margin: 2.5rem 0 1rem; }
.prose p, .prose li { font-size: 1rem; color: var(--text-muted); line-height: 1.7; margin-bottom: 1rem; }
.prose ul { padding-left: 1.5rem; margin-bottom: 1.5rem; }
.prose a { color: var(--primary); text-decoration: underline; text-underline-offset: 4px; }
.prose a:hover { color: var(--primary-light); }

.prose-box {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  box-shadow: inset 1px 1px 0 0 var(--glass-edge);
  border-radius: var(--radius-lg);
  padding: 1.5rem; margin-bottom: 2rem;
}
.prose-box p { margin: 0; color: var(--text-main); font-weight: 500; }

/* ═══════════════════════════════════════════════════
   GLASS FOOTER
═══════════════════════════════════════════════════ */
.footer {
  border-top: 1px solid var(--glass-border);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  padding-block: 4rem 2rem;
  margin-top: 4rem;
}
.footer-inner { max-width: var(--container-max); margin: 0 auto; padding-inline: 1.5rem; display: flex; flex-direction: column; gap: 3rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2rem; }
@media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-brand h4 { font-size: 1.25rem; font-weight: 700; margin-bottom: 1rem; letter-spacing: -0.02em; }
.footer-brand h4 span { color: var(--primary); }
.footer-brand p { color: var(--text-muted); font-size: 0.9375rem; max-width: 300px; }
.footer-links h5 { font-size: 0.875rem; font-weight: 600; color: var(--text-main); margin-bottom: 1.25rem; }
.footer-links ul { list-style: none; display: flex; flex-direction: column; gap: 0.75rem; }
.footer-links a { color: var(--text-muted); font-size: 0.875rem; transition: var(--transition); }
.footer-links a:hover { color: var(--primary); }
.footer-bottom { border-top: 1px solid var(--glass-border); padding-top: 2rem; display: flex; justify-content: space-between; font-size: 0.875rem; color: var(--text-muted); flex-wrap: wrap; gap: 0.5rem; }

/* ═══════════════════════════════════════════════════
   GLASS MODAL & FORMS
═══════════════════════════════════════════════════ */
.modal-overlay {
  position: fixed; inset: 0; z-index: 1000;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center;
  padding: 1.5rem;
  opacity: 1; transition: opacity 0.3s ease;
}
.modal-overlay.hidden {
  opacity: 0; pointer-events: none; visibility: hidden;
}
.modal-content {
  width: 100%; max-width: 400px; position: relative;
  padding: 2rem;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  box-shadow: inset 1px 1px 0 0 var(--glass-edge), var(--glass-shadow);
  border-radius: var(--radius-xl);
}
[data-theme="dark"] .modal-content {
  background: rgba(15, 23, 42, 0.95);
}
.modal-close {
  position: absolute; top: 1.25rem; right: 1.25rem;
  color: var(--text-muted); transition: var(--transition);
  display: flex; align-items: center; justify-content: center;
}
.modal-close:hover { color: var(--text-main); transform: scale(1.1); }

.input-group { margin-bottom: 1rem; text-align: left; }
.input-group label {
  display: block; font-size: 0.8125rem; font-weight: 500;
  color: var(--text-main); margin-bottom: 0.5rem;
}
.input-group input {
  width: 100%; padding: 0.625rem 1rem;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-main); font-family: var(--font-sans); font-size: 0.9375rem;
  transition: var(--transition);
}
[data-theme="dark"] .input-group input { background: rgba(0, 0, 0, 0.6); }
.input-group input:focus {
  outline: none; border-color: var(--primary);
  background: rgba(255, 255, 255, 1);
}
[data-theme="dark"] .input-group input:focus { background: rgba(0, 0, 0, 0.8); }
.input-group input::placeholder { color: var(--text-muted); opacity: 0.7; }

.w-full { width: 100%; display: flex; justify-content: center; margin-top: 1.5rem; }

.form-message {
  margin-top: 1rem; font-size: 0.875rem; font-weight: 500; text-align: center;
  min-height: 1.5rem; transition: var(--transition);
}
.form-message.success { color: #10b981; }
.form-message.error { color: #ef4444; }

.btn-primary.loading { opacity: 0.7; pointer-events: none; cursor: not-allowed; }

/* ═══════════════════════════════════════════════════
   ANIMATIONS
═══════════════════════════════════════════════════ */
.fade-up { animation: fadeUp 0.6s var(--transition) both; }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ═══════════════════════════════════════════════════
   ARCHITECTURE PAGE SPECIFICS (preserved + enhanced)
═══════════════════════════════════════════════════ */
.pipeline-container { position: relative; max-width: 900px; margin: 4rem auto; padding-left: 2rem; }
.pipeline-container::before {
  content: ''; position: absolute; top: 0; bottom: 0; left: 0; width: 2px;
  background: linear-gradient(to bottom, var(--primary), rgba(0, 55, 255, 0.1));
}
.pipeline-step { position: relative; margin-bottom: 3rem; }
.pipeline-step:last-child { margin-bottom: 0; }
.step-marker {
  position: absolute; left: -2.65rem; top: 1.5rem; width: 1.5rem; height: 1.5rem;
  border-radius: 50%; background: var(--bg-main); border: 3px solid var(--primary);
  box-shadow: 0 0 10px rgba(0, 55, 255, 0.3); z-index: 2;
}
.engine-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; margin-top: 2rem; }
.tech-pill {
  display: inline-flex; align-items: center; gap: 0.375rem; padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full); background: rgba(0, 55, 255, 0.08); color: var(--primary);
  font-size: 0.75rem; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase;
  margin-right: 0.5rem; margin-bottom: 0.5rem; border: 1px solid rgba(0, 55, 255, 0.15);
}
[data-theme="dark"] .tech-pill {
  background: rgba(77, 163, 255, 0.1); color: var(--primary-light); border-color: rgba(77, 163, 255, 0.2);
}

/* ═══════════════════════════════════════════════════
   RESPONSIVE OVERRIDES
═══════════════════════════════════════════════════ */
@media (max-width: 640px) {
  .hero { padding-block: calc(var(--nav-h) + 4rem) 4rem; }
  .roadmap-grid { grid-template-columns: 1fr; }
  .status-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: center; }
}

/* ═══════════════════════════════════════════════════
   IR-1 LAUNCH BANNER
═══════════════════════════════════════════════════ */
.ir1-banner {
  position: fixed;
  top: var(--nav-h);
  left: 0; right: 0;
  z-index: 800;
  background: linear-gradient(90deg, rgba(0, 37, 200, 0.97) 0%, rgba(0, 55, 255, 0.97) 50%, rgba(77, 163, 255, 0.97) 100%);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  padding: 0.5rem 1.5rem;
}
.ir1-banner-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.875rem;
  flex-wrap: wrap;
  text-align: center;
}
.ir1-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-full);
  padding: 0.2rem 0.7rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.ir1-text {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.4;
}
.ir1-text strong {
  color: #fff;
}
.ir1-cta {
  font-size: 0.8125rem;
  font-weight: 700;
  color: #fff;
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: var(--radius-full);
  padding: 0.25rem 0.875rem;
  transition: var(--transition);
  white-space: nowrap;
  text-decoration: none;
}
.ir1-cta:hover {
  background: rgba(255, 255, 255, 0.3);
  color: #fff;
}

/* Offset hero to account for banner height */
.ir1-banner ~ * .hero,
body:has(.ir1-banner) .hero {
  padding-top: calc(var(--nav-h) + 3rem + 2.5rem);
}

/* ═══════════════════════════════════════════════════
   IR-1 MODAL COMPONENTS
═══════════════════════════════════════════════════ */
.modal-launch-badge {
  margin-bottom: 0.25rem;
}
.ir1-modal-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  background: rgba(0, 55, 255, 0.08);
  border: 1px solid rgba(0, 55, 255, 0.18);
  border-radius: var(--radius-full);
  padding: 0.3rem 0.875rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--primary);
  text-transform: uppercase;
}
[data-theme="dark"] .ir1-modal-tag {
  background: rgba(77, 163, 255, 0.1);
  border-color: rgba(77, 163, 255, 0.2);
  color: var(--primary-light);
}

.ir1-whats-in {
  background: rgba(0, 55, 255, 0.04);
  border: 1px solid rgba(0, 55, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 1rem 1.125rem;
  margin-bottom: 1.25rem;
}
[data-theme="dark"] .ir1-whats-in {
  background: rgba(77, 163, 255, 0.05);
  border-color: rgba(77, 163, 255, 0.12);
}
.ir1-section-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 0.625rem;
}
[data-theme="dark"] .ir1-section-label { color: var(--primary-light); }

.ir1-feature-list {
  list-style: none;
  padding: 0; margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}
.ir1-feature-list li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.4;
}
.ir1-feature-list li svg {
  color: #10b981;
  flex-shrink: 0;
}

.modal-footnote {
  margin-top: 1rem;
  font-size: 0.7rem;
  text-align: center;
  color: var(--text-muted);
  opacity: 0.6;
  letter-spacing: 0.03em;
}

/* Wider modal for IR-1 content */
.modal-content {
  max-width: 440px;
}

/* ═══════════════════════════════════════════════════
   ORIGIN TIMELINE (Product Vision)
═══════════════════════════════════════════════════ */
.origin-timeline {
  max-width: 780px;
  margin: 0 auto;
}
.timeline-track {
  position: relative;
  padding-left: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.timeline-track::before {
  content: '';
  position: absolute;
  top: 1.25rem;
  bottom: 1.25rem;
  left: 0.5rem;
  width: 2px;
  background: linear-gradient(
    to bottom,
    var(--primary) 0%,
    var(--primary) 75%,
    rgba(0, 55, 255, 0.15) 100%
  );
}
.timeline-item {
  position: relative;
  padding-bottom: 1.75rem;
}
.timeline-item:last-child {
  padding-bottom: 0;
}
.timeline-dot {
  position: absolute;
  left: -1.65rem;
  top: 1.25rem;
  width: 1.125rem;
  height: 1.125rem;
  border-radius: 50%;
  border: 2.5px solid var(--primary);
  background: var(--bg-main);
  z-index: 2;
}
.timeline-dot-done {
  background: var(--primary);
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 55, 255, 0.15);
}
.timeline-dot-now {
  background: #10b981;
  border-color: #10b981;
  box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.2), 0 0 12px rgba(16, 185, 129, 0.4);
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.2), 0 0 12px rgba(16, 185, 129, 0.4); }
  50%       { box-shadow: 0 0 0 7px rgba(16, 185, 129, 0.1), 0 0 18px rgba(16, 185, 129, 0.3); }
}
.timeline-card {
  padding: 1.5rem;
}
.timeline-card-active {
  border-color: rgba(16, 185, 129, 0.3);
  box-shadow: inset 1px 1px 0 0 var(--glass-edge), 0 0 0 1px rgba(16, 185, 129, 0.1), var(--glass-shadow);
}
.timeline-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.625rem;
  flex-wrap: wrap;
}
.timeline-date {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.timeline-card h4 {
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 0.5rem;
  color: var(--text-main);
}
.timeline-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin: 0;
}

/* Status done pill */
.status-done {
  background: rgba(0, 55, 255, 0.07);
  color: var(--primary);
  border: 1px solid rgba(0, 55, 255, 0.15);
}
[data-theme="dark"] .status-done {
  color: var(--primary-light);
  border-color: rgba(77, 163, 255, 0.2);
}

@media (max-width: 640px) {
  .timeline-track { padding-left: 1.5rem; }
  .timeline-dot { left: -1.15rem; }
}

/* ═══════════════════════════════════════════════════
   IR-1.5 ROADMAP CARD
═══════════════════════════════════════════════════ */

/* Span full width so it stands out as a special release */
.ir15-phase {
  grid-column: 1 / -1;
}

.phase-badge-ir15 {
  color: #7c3aed;
}
[data-theme="dark"] .phase-badge-ir15 {
  color: #a78bfa;
}

.roadmap-card-ir15 {
  border-color: rgba(124, 58, 237, 0.25);
  box-shadow: inset 1px 1px 0 0 var(--glass-edge),
              0 0 0 1px rgba(124, 58, 237, 0.08),
              var(--glass-shadow);
  position: relative;
  overflow: hidden;
}
.roadmap-card-ir15::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(124, 58, 237, 0.04) 0%,
    transparent 60%
  );
  pointer-events: none;
}
[data-theme="dark"] .roadmap-card-ir15 {
  border-color: rgba(167, 139, 250, 0.25);
  box-shadow: inset 1px 1px 0 0 var(--glass-edge),
              0 0 0 1px rgba(167, 139, 250, 0.1),
              0 12px 32px rgba(0,0,0,0.5);
}

.phase-dot-ir15 {
  background: #7c3aed;
  border-color: #7c3aed;
  box-shadow: 0 0 8px rgba(124, 58, 237, 0.45);
}
[data-theme="dark"] .phase-dot-ir15 {
  background: #a78bfa;
  border-color: #a78bfa;
  box-shadow: 0 0 10px rgba(167, 139, 250, 0.4);
}

.ir15-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #7c3aed;
  margin-bottom: 0.5rem;
}
[data-theme="dark"] .ir15-label {
  color: #a78bfa;
}

/* Feature list inside IR-1.5 card */
.ir15-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.5rem;
  margin-top: 1rem;
}
.ir15-feature-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.4;
}
.ir15-feature-item svg {
  color: #7c3aed;
  flex-shrink: 0;
}
[data-theme="dark"] .ir15-feature-item svg {
  color: #a78bfa;
}

/* Status pill */
.status-ir15 {
  background: rgba(124, 58, 237, 0.08);
  color: #7c3aed;
  border: 1px solid rgba(124, 58, 237, 0.18);
}
[data-theme="dark"] .status-ir15 {
  background: rgba(167, 139, 250, 0.1);
  color: #a78bfa;
  border-color: rgba(167, 139, 250, 0.2);
}

@media (max-width: 640px) {
  .ir15-features {
    grid-template-columns: 1fr;
  }
}

/* ═══════════════════════════════════════════════════
   CLOUDFLARE TURNSTILE
═══════════════════════════════════════════════════ */
.turnstile-wrap {
  margin: 1rem 0 0.25rem;
  display: flex;
  justify-content: center;
  min-height: 65px; /* reserves space while widget loads */
}
/* Ensure iframe doesn't overflow modal on small screens */
.turnstile-wrap iframe {
  max-width: 100%;
}

/* ═══════════════════════════════════════════════════
   MOBILE RESPONSIVENESS OVERRIDES & IMPROVEMENTS
   Targeting < 768px (Mobile & Tablet)
═══════════════════════════════════════════════════ */
@media (max-width: 767.98px) {
  /* Navigation & Hamburger */
  .hamburger {
    display: block;
  }
  .nav-cta-desktop {
    display: none !important;
  }
  .nav-actions {
    gap: 0.75rem;
  }
  
  /* Hamburger open state */
  .hamburger.is-open span:nth-child(1) {
    transform: translateY(5px) rotate(45deg);
  }
  .hamburger.is-open span:nth-child(2) {
    opacity: 0;
  }
  .hamburger.is-open span:nth-child(3) {
    transform: translateY(-5px) rotate(-45deg);
  }

  /* Mobile menu overlay dropdown */
  .nav-links.nav-open {
    display: flex;
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    height: calc(100vh - var(--nav-h));
    background: var(--nav-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-top: 1px solid var(--glass-border);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    padding: 3rem 1.5rem;
    z-index: 999;
    animation: slideDownMobileNav 0.35s cubic-bezier(0.16, 1, 0.3, 1) both;
  }
  @keyframes slideDownMobileNav {
    from {
      opacity: 0;
      transform: translateY(-10px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .nav-links.nav-open a {
    font-size: 1.25rem;
    font-weight: 600;
    width: 100%;
    text-align: center;
    padding: 0.75rem;
    border-radius: var(--radius-md);
  }

  /* Compact Banner Layout on Mobile */
  .ir1-banner {
    position: relative;
    top: auto;
    margin-top: var(--nav-h);
    padding: 0.75rem 1rem;
  }
  /* Offset Hero dynamically when banner is relative */
  .ir1-banner ~ * .hero,
  body:has(.ir1-banner) .hero {
    padding-top: 2.5rem;
  }
  .ir1-banner-inner {
    flex-direction: column;
    gap: 0.5rem;
    padding: 0.25rem 0;
  }
  .ir1-text {
    font-size: 0.8125rem;
  }

  /* Standard sections & page spacing adjustments */
  .section {
    padding-block: 3.5rem;
  }
  .section-header {
    margin-bottom: 2.5rem;
  }
  .hero {
    padding-block: calc(var(--nav-h) + 2.5rem) 3.5rem;
  }
  .prose-layout {
    padding-block: calc(var(--nav-h) + 1.5rem) 3.5rem;
  }

  /* Glass Card padding overrides on mobile (including inline styles) */
  .glass-card, 
  .glass-card[style] {
    padding: 1.5rem !important;
  }
  .glass-card.founder-card,
  .glass-card.founder-card[style] {
    padding: 2rem 1.5rem !important;
  }

  /* Footer styling adjustments */
  .footer {
    padding-block: 3rem 1.5rem;
    margin-top: 3rem;
  }
  .footer-inner {
    gap: 2rem;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.75rem;
    padding-top: 1.5rem;
  }
  
  /* Pipeline layout on small mobile screen sizes */
  .pipeline-container {
    padding-left: 1.5rem;
    margin: 2.5rem auto;
  }
  .step-marker {
    left: -2.15rem;
  }
}