/* ==========================================================================
   SIGMETRY — AI-Native Quant Studio & Multi-Broker Execution Terminal
   Design System & Styling
   ========================================================================== */

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

:root {
  /* Color Palette */
  --bg-app: #07090e;
  --bg-card: rgba(13, 17, 26, 0.75);
  --bg-card-hover: rgba(19, 24, 38, 0.85);
  --bg-panel: #0d111a;
  --bg-panel-alt: #131722;
  --bg-tertiary: #1a202c;

  /* Borders & Dividers */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-card: rgba(255, 255, 255, 0.12);
  --border-focus: #00f2fe;
  --border-highlight: rgba(0, 242, 254, 0.3);

  /* Typography Colors */
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-highlight: #38bdf8;

  /* Brand Accents & Gradients */
  --accent-cyan: #00f2fe;
  --accent-cyan-dark: #06b6d4;
  --accent-emerald: #10b981;
  --accent-purple: #8b5cf6;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;

  /* Gradients */
  --grad-primary: linear-gradient(135deg, #00f2fe 0%, #06b6d4 50%, #10b981 100%);
  --grad-text: linear-gradient(135deg, #ffffff 30%, #94a3b8 100%);
  --grad-cyan: linear-gradient(135deg, #00f2fe 0%, #0284c7 100%);
  --grad-purple: linear-gradient(135deg, #a855f7 0%, #6366f1 100%);
  --grad-emerald: linear-gradient(135deg, #34d399 0%, #059669 100%);
  --grad-dark-card: linear-gradient(180deg, rgba(17, 24, 39, 0.6) 0%, rgba(10, 14, 23, 0.8) 100%);

  /* Shadows & Glows */
  --glow-cyan: 0 0 35px rgba(0, 242, 254, 0.2);
  --glow-emerald: 0 0 35px rgba(16, 185, 129, 0.2);
  --glow-purple: 0 0 35px rgba(139, 92, 246, 0.2);
  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5), 0 0 1px 1px rgba(255, 255, 255, 0.05);

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-display: 'Outfit', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Transitions */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   Base & Reset
   ========================================================================== */

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

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  background-color: var(--bg-app);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  position: relative;
}

/* Background Atmosphere & Grid */
.bg-ambient {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.ambient-glow-1 {
  position: absolute;
  top: -15%;
  left: 20%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(0, 242, 254, 0.12) 0%, rgba(6, 182, 212, 0.04) 45%, transparent 70%);
  filter: blur(80px);
  border-radius: 50%;
  animation: floatOrb 22s ease-in-out infinite alternate;
}

.ambient-glow-2 {
  position: absolute;
  top: 35%;
  right: -10%;
  width: 850px;
  height: 850px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.09) 0%, rgba(99, 102, 241, 0.04) 50%, transparent 70%);
  filter: blur(90px);
  border-radius: 50%;
  animation: floatOrb 28s ease-in-out infinite alternate-reverse;
}

.ambient-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(circle at 50% 30%, black 20%, transparent 80%);
}

@keyframes floatOrb {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(40px, 60px) scale(1.08); }
  100% { transform: translate(-30px, 30px) scale(0.95); }
}

/* Container */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* ==========================================================================
   Typography & Utilities
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.025em;
  color: var(--text-primary);
}

.text-gradient {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.font-mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 9999px;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.badge-cyan {
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid rgba(0, 242, 254, 0.3);
  color: var(--accent-cyan);
}

.badge-pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--accent-emerald);
  box-shadow: 0 0 10px var(--accent-emerald);
  animation: pulseDot 2s infinite ease-in-out;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 26px;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: none;
  outline: none;
}

.btn-primary {
  background: var(--grad-primary);
  color: #050811;
  font-weight: 700;
  box-shadow: 0 4px 20px rgba(0, 242, 254, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(0, 242, 254, 0.4);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
  border: 1px solid var(--border-card);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

/* Glass Card */
.glass-card {
  background: var(--grad-dark-card);
  border: 1px solid var(--border-card);
  backdrop-filter: blur(16px);
  border-radius: 16px;
  box-shadow: var(--shadow-card);
  transition: border-color var(--transition-normal), transform var(--transition-normal), box-shadow var(--transition-normal);
}

.glass-card:hover {
  border-color: rgba(0, 242, 254, 0.35);
  box-shadow: 0 16px 36px -12px rgba(0, 0, 0, 0.7), 0 0 24px rgba(0, 242, 254, 0.1);
}

/* ==========================================================================
   Header & Navbar
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 100;
  background: rgba(7, 9, 14, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  transition: background-color var(--transition-normal);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
  position: relative;
}

.site-nav {
  display: flex;
  align-items: center;
}

@media (min-width: 769px) {
  .site-nav {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
  }
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  cursor: pointer;
}

.brand-glyph {
  width: 38px;
  height: 38px;
  object-fit: contain;
  display: block;
  border-radius: 9px;
  filter: drop-shadow(0 0 10px rgba(0, 242, 254, 0.3));
  transition: transform var(--transition-normal), filter var(--transition-normal);
}

.brand-logo:hover .brand-glyph {
  transform: translateY(-1px) scale(1.04);
  filter: drop-shadow(0 0 16px rgba(0, 242, 254, 0.55));
}

.footer-glyph {
  width: 30px;
  height: 30px;
  border-radius: 7px;
  filter: drop-shadow(0 0 8px rgba(0, 242, 254, 0.25));
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: #ffffff;
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.brand-tag {
  font-size: 0.6875rem;
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--accent-cyan);
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(0, 242, 254, 0.1);
  border: 1px solid rgba(0, 242, 254, 0.2);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.engine-status-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.25);
  padding: 6px 12px;
  border-radius: 20px;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero-section {
  padding: 80px 0 50px;
  text-align: center;
}

.hero-badge-wrap {
  margin-bottom: 24px;
}

.hero-title {
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  font-weight: 800;
  line-height: 1.12;
  max-width: 980px;
  margin: 0 auto 24px;
  letter-spacing: -0.035em;
}

.hero-description {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 840px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-note {
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.nav-cta {
  padding: 9px 18px;
  font-size: 0.875rem;
}

/* ==========================================================================
   Section Headers
   ========================================================================== */

.section {
  padding: 90px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 820px;
  margin: 0 auto 56px;
}

.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
  display: block;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ==========================================================================
   Pillars & Feature Grid (Fast, Accurate, Capable)
   ========================================================================== */

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.pillar-card {
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.pillar-icon-box {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.pillar-icon-cyan {
  background: rgba(0, 242, 254, 0.1);
  border: 1px solid rgba(0, 242, 254, 0.3);
  color: var(--accent-cyan);
}

.pillar-icon-emerald {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--accent-emerald);
}

.pillar-icon-purple {
  background: rgba(139, 92, 246, 0.1);
  border: 1px solid rgba(139, 92, 246, 0.3);
  color: var(--accent-purple);
}

.pillar-title {
  font-size: 1.3rem;
  margin-bottom: 12px;
  color: #ffffff;
}

.pillar-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 20px;
  flex: 1;
}

.pillar-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}

.pillar-tag {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  padding: 3px 8px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
  border: 1px solid var(--border-subtle);
}

/* ==========================================================================
   The Unified Platform Advantage Callout (The Quick Blurb)
   ========================================================================== */

.section-blurb {
  padding: 30px 0 60px;
  position: relative;
}

.unified-callout-card {
  padding: 48px 44px;
  background: linear-gradient(135deg, rgba(0, 242, 254, 0.04) 0%, rgba(13, 17, 26, 0.85) 50%, rgba(16, 185, 129, 0.03) 100%);
  border: 1px solid rgba(0, 242, 254, 0.22);
  border-radius: 18px;
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5), 0 0 30px rgba(0, 242, 254, 0.06);
  backdrop-filter: blur(16px);
  text-align: center;
  max-width: 960px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

.unified-callout-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 20%;
  right: 20%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 242, 254, 0.6), transparent);
}

.unified-callout-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 16px;
}

.unified-callout-title {
  font-size: clamp(1.4rem, 2.2vw, 1.95rem);
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 16px;
  line-height: 1.3;
  letter-spacing: -0.02em;
}

.unified-callout-text {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.75;
  max-width: 820px;
  margin: 0 auto;
}

/* ==========================================================================
   Capabilities Section (Traditional Rigor, Exotic Alpha, Live Execution)
   ========================================================================== */

.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}

.capabilities-card {
  padding: 36px 30px;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.cap-header {
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-subtle);
}

.cap-pill {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 3px 8px;
  border-radius: 4px;
  margin-bottom: 12px;
}

.pill-cyan { background: rgba(0, 242, 254, 0.1); color: var(--accent-cyan); border: 1px solid rgba(0, 242, 254, 0.25); }
.pill-purple { background: rgba(139, 92, 246, 0.1); color: var(--accent-purple); border: 1px solid rgba(139, 92, 246, 0.25); }
.pill-emerald { background: rgba(16, 185, 129, 0.1); color: var(--accent-emerald); border: 1px solid rgba(16, 185, 129, 0.25); }

.cap-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 8px;
}

.cap-summary {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

.cap-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
  flex: 1;
}

.cap-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--text-secondary);
}

.cap-item strong {
  color: #ffffff;
  font-weight: 600;
}

.cap-bullet {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  margin-top: 8px;
  flex-shrink: 0;
}

.cap-bullet.cyan { background-color: var(--accent-cyan); box-shadow: 0 0 8px rgba(0, 242, 254, 0.5); }
.cap-bullet.purple { background-color: var(--accent-purple); box-shadow: 0 0 8px rgba(139, 92, 246, 0.5); }
.cap-bullet.emerald { background-color: var(--accent-emerald); box-shadow: 0 0 8px rgba(16, 185, 129, 0.5); }


/* ==========================================================================
   Waitlist & Beta Registration Section
   ========================================================================== */

.waitlist-section {
  padding: 110px 0;
  position: relative;
}

.waitlist-card {
  max-width: 740px;
  margin: 0 auto;
  padding: 48px;
  background: var(--grad-dark-card);
  border: 1px solid rgba(0, 242, 254, 0.3);
  box-shadow: 0 0 50px rgba(0, 242, 254, 0.12);
  border-radius: 20px;
  text-align: center;
}

.waitlist-title {
  font-size: 2.25rem;
  margin-bottom: 16px;
}

.waitlist-subtitle {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: 36px;
  line-height: 1.6;
}

.waitlist-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
  text-align: left;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-input, .form-select {
  width: 100%;
  padding: 14px 16px;
  background: rgba(10, 14, 22, 0.8);
  border: 1px solid var(--border-card);
  border-radius: 10px;
  color: #ffffff;
  font-size: 0.9375rem;
  font-family: var(--font-sans);
  transition: all var(--transition-fast);
}

.form-input:focus, .form-select:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.25);
}

.waitlist-btn {
  width: 100%;
  padding: 16px;
  font-size: 1.05rem;
  margin-top: 10px;
}

.form-disclaimer {
  font-size: 0.775rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: 14px;
}

.form-success-box {
  display: none;
  padding: 30px;
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: 12px;
  text-align: center;
}

.form-success-box.show {
  display: block;
  animation: fadeIn 0.4s ease;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  background: #040609;
  border-top: 1px solid var(--border-subtle);
  padding: 80px 0 40px;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1.2fr 1fr;
  gap: 48px;
  margin-bottom: 50px;
}

.footer-brand-desc {
  color: var(--text-secondary);
  line-height: 1.65;
  margin-top: 16px;
  max-width: 360px;
}

.footer-col-title {
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 18px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--accent-cyan);
}

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: 30px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.footer-disclaimer-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: rgba(10, 14, 23, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 10px;
  padding: 18px 20px;
}

.footer-disclaimer-box {
  font-size: 0.75rem;
  line-height: 1.65;
  color: #64748b;
  border-left: 2px solid var(--accent-cyan);
  padding-left: 12px;
}

.footer-disclaimer-box strong {
  color: #94a3b8;
}

.footer-meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

/* ==========================================================================
   Form Error Feedback
   ========================================================================== */
.form-error-box {
  display: none;
  background: rgba(244, 63, 94, 0.12);
  border: 1px solid rgba(244, 63, 94, 0.35);
  color: #f87171;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.875rem;
  text-align: center;
  margin-bottom: 12px;
  animation: fadeInDown 0.2s ease-out;
}

/* ==========================================================================
   Interactive Legal Modal (Privacy & Terms)
   ========================================================================== */
.legal-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(4, 6, 12, 0.82);
  backdrop-filter: blur(16px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease-out;
}

.legal-modal-overlay.is-active {
  opacity: 1;
  pointer-events: auto;
}

.legal-modal-dialog {
  background: #0b0f19;
  border: 1px solid var(--border-card);
  border-radius: 16px;
  width: 100%;
  max-width: 720px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.9), 0 0 30px rgba(0, 242, 254, 0.1);
  overflow: hidden;
  transform: translateY(16px) scale(0.98);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.legal-modal-overlay.is-active .legal-modal-dialog {
  transform: translateY(0) scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(15, 20, 32, 0.7);
}

.modal-tabs {
  display: flex;
  gap: 8px;
}

.modal-tab {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 8px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.modal-tab:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
}

.modal-tab.active {
  color: var(--accent-cyan);
  background: rgba(0, 242, 254, 0.1);
  border: 1px solid rgba(0, 242, 254, 0.25);
}

.modal-close-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
  line-height: 1;
  transition: color var(--transition-fast);
}

.modal-close-btn:hover {
  color: var(--text-primary);
}

.modal-body {
  padding: 24px;
  overflow-y: auto;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

.modal-body h3 {
  font-size: 1.15rem;
  color: #ffffff;
  margin-top: 18px;
  margin-bottom: 8px;
}

.modal-body h3:first-child {
  margin-top: 0;
}

.modal-body p {
  margin-bottom: 14px;
}

.modal-body ul {
  padding-left: 20px;
  margin-bottom: 14px;
}

.modal-body li {
  margin-bottom: 6px;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-subtle);
  background: rgba(15, 20, 32, 0.7);
  display: flex;
  justify-content: flex-end;
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   Responsive Media Queries
   ========================================================================== */

@media (max-width: 1024px) {
  .pillars-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .capabilities-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .unified-callout-card {
    padding: 38px 28px;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 74px;
    left: 0;
    width: 100%;
    background: rgba(9, 12, 19, 0.98);
    backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--border-subtle);
    padding: 24px;
    flex-direction: column;
    gap: 18px;
    z-index: 999;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.7);
  }
  .nav-links.is-open {
    display: flex;
    animation: fadeInDown 0.25s ease-out forwards;
  }
  .engine-status-pill {
    display: none;
  }
  .mobile-toggle {
    display: block;
  }
  .hero-title {
    font-size: 2.2rem;
  }
  .hero-description {
    font-size: 1.05rem;
  }
  .unified-callout-card {
    padding: 30px 20px;
  }
  .unified-callout-title {
    font-size: 1.35rem;
  }
  .capabilities-card {
    padding: 28px 20px;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .waitlist-card {
    padding: 28px 20px;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}