/* ==========================================================================
   SIRA NETWORKING — DESIGN SYSTEM & STYLES
   Aesthetics: Deep Space, Glassmorphism, Electric Indigo & Cyber Violet
   ========================================================================== */

:root {
  /* Core Color Palette */
  --bg-primary: #050713;
  --bg-secondary: #0a0e24;
  --bg-tertiary: #111638;
  --bg-glass: rgba(16, 22, 54, 0.65);
  --bg-glass-card: rgba(255, 255, 255, 0.035);
  --bg-glass-hover: rgba(255, 255, 255, 0.07);

  /* Accents & Gradients */
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --primary-glow: rgba(99, 102, 241, 0.35);
  --violet: #a855f7;
  --cyan: #06b6d4;
  --emerald: #10b981;
  --amber: #f59e0b;

  --gradient-brand: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #06b6d4 100%);
  --gradient-glow: radial-gradient(circle at 50% 50%, rgba(99, 102, 241, 0.25) 0%, transparent 70%);
  --gradient-card-border: linear-gradient(135deg, rgba(255, 255, 255, 0.15), rgba(255, 255, 255, 0.03));

  /* Text Colors */
  --text-white: #ffffff;
  --text-main: #edf0f8;
  --text-muted: #94a3b8;
  --text-faint: #64748b;

  /* Borders & Shadows */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.16);
  --border-highlight: rgba(99, 102, 241, 0.4);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-card: 0 16px 40px -10px rgba(0, 0, 0, 0.5), 0 0 20px -5px rgba(99, 102, 241, 0.12);
  --shadow-glow: 0 0 50px -10px rgba(99, 102, 241, 0.45);
  --shadow-cyan: 0 0 40px -8px rgba(6, 182, 212, 0.35);

  /* Typography */
  --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Spacing & Radii */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-full: 9999px;
  --max-width: 1220px;
}

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

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

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* Background canvas and ambient glows */
#network-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
  opacity: 0.65;
}

.ambient-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
}

.glow-top-left {
  top: -150px;
  left: -150px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.18) 0%, transparent 70%);
}

.glow-top-right {
  top: 10%;
  right: -200px;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.15) 0%, transparent 70%);
}

.glow-bottom-center {
  bottom: 0;
  left: 30%;
  width: 800px;
  height: 500px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.12) 0%, transparent 70%);
}

/* Common Layout */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
  position: relative;
  z-index: 1;
}

section {
  position: relative;
  padding: 100px 0;
  z-index: 1;
}

@media (max-width: 768px) {
  section {
    padding: 64px 0;
  }
}

/* Typography Helpers */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--text-white);
  line-height: 1.18;
}

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

.text-indigo-400 {
  color: #818cf8;
}

.eyebrow-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.3);
  color: #c7d2fe;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 24px;
  backdrop-filter: blur(8px);
}

.eyebrow-badge .pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #38bdf8;
  box-shadow: 0 0 10px #38bdf8;
  animation: pulse-dot 2s infinite ease-in-out;
}

@keyframes pulse-dot {
  0%, 100% { transform: scale(1); opacity: 0.9; }
  50% { transform: scale(1.4); opacity: 1; }
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 64px;
}

.section-header h2 {
  font-size: clamp(2rem, 4.2vw, 2.9rem);
  margin-bottom: 18px;
  letter-spacing: -0.02em;
}

.section-header p {
  color: var(--text-muted);
  font-size: 1.12rem;
  line-height: 1.6;
}

/* ==========================================================================
   BUTTONS & CTAs
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 13px 26px;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--primary);
  color: #ffffff;
  box-shadow: 0 4px 20px var(--primary-glow), inset 0 1px 0 rgba(255, 255, 255, 0.25);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: 0.5s;
}

.btn-primary:hover {
  background: var(--primary-hover);
  box-shadow: 0 6px 28px rgba(99, 102, 241, 0.55);
  transform: translateY(-2px);
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--border-medium);
  color: #ffffff;
  transform: translateY(-2px);
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1.05rem;
  border-radius: var(--radius-md);
}

/* ==========================================================================
   NAVBAR
   ========================================================================== */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 20px 0;
  transition: all 0.3s ease;
}

.site-nav.nav-scrolled {
  padding: 12px 0;
  background: rgba(5, 7, 19, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand-icon {
  width: 38px;
  height: 38px;
  background: var(--gradient-brand);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 18px rgba(99, 102, 241, 0.4);
}

.brand-text {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--text-white);
}

.brand-text span {
  color: var(--cyan);
}

.brand-badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  background: rgba(99, 102, 241, 0.18);
  border: 1px solid rgba(99, 102, 241, 0.35);
  color: #a5b4fc;
  padding: 2px 7px;
  border-radius: 4px;
  margin-left: 4px;
}

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

.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.92rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--text-white);
}

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

.mobile-menu-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-white);
  cursor: pointer;
  padding: 6px;
}

@media (max-width: 960px) {
  .nav-links {
    position: fixed;
    top: 72px;
    left: 0;
    width: 100%;
    background: rgba(10, 14, 36, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
    flex-direction: column;
    padding: 30px 24px;
    gap: 20px;
    display: none;
  }

  .nav-links.nav-open {
    display: flex;
  }

  .mobile-menu-toggle {
    display: block;
  }
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  padding-top: 150px;
  padding-bottom: 90px;
  position: relative;
  text-align: center;
}

.hero-content {
  max-width: 900px;
  margin: 0 auto;
}

.hero-title {
  font-size: clamp(2.5rem, 5.8vw, 4.3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.08;
  margin-bottom: 24px;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  color: var(--text-muted);
  max-width: 720px;
  margin: 0 auto 36px;
  font-weight: 400;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-metrics-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 36px;
  flex-wrap: wrap;
  padding: 16px 28px;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  max-width: 820px;
  margin: 0 auto 64px;
  backdrop-filter: blur(12px);
}

.metric-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.metric-item strong {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--text-white);
  font-weight: 700;
}

.metric-divider {
  width: 1px;
  height: 24px;
  background: var(--border-subtle);
}

/* Interactive Hero Visual Showcase */
.hero-showcase {
  position: relative;
  max-width: 980px;
  margin: 0 auto;
  perspective: 1200px;
}

.hero-device-frame {
  background: rgba(13, 18, 44, 0.7);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-card), 0 0 60px rgba(99, 102, 241, 0.2);
  backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
}

.device-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 14px;
  margin-bottom: 20px;
}

.device-dots {
  display: flex;
  gap: 7px;
}

.device-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
}

.device-dots span:nth-child(1) { background: #ef4444; }
.device-dots span:nth-child(2) { background: #f59e0b; }
.device-dots span:nth-child(3) { background: #10b981; }

.device-url-bar {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 4px 16px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.hero-mockup-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 20px;
  text-align: left;
}

@media (max-width: 820px) {
  .hero-mockup-grid {
    grid-template-columns: 1fr;
  }
}

/* Glass Card components in mock */
.mockup-col {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.glass-card {
  background: var(--bg-glass-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 18px;
  backdrop-filter: blur(12px);
  transition: all 0.3s ease;
}

.glass-card:hover {
  background: var(--bg-glass-hover);
  border-color: var(--border-medium);
}

.mockup-user-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.mockup-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.95rem;
  color: white;
  flex-shrink: 0;
}

.mockup-user-info h4 {
  font-size: 1rem;
  margin-bottom: 2px;
}

.mockup-user-info p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.mockup-user-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 3px 8px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.05);
  color: #cbd5e1;
  margin-top: 4px;
}

.mockup-match-result {
  background: linear-gradient(145deg, rgba(16, 185, 129, 0.06), rgba(99, 102, 241, 0.06));
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: var(--radius-md);
  padding: 18px;
  position: relative;
}

.synergy-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.35);
  color: #34d399;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

.synergy-type {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.06);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  color: #f1f5f9;
  margin-left: 8px;
}

.match-reason-box {
  margin: 12px 0;
  font-size: 0.85rem;
  color: #cbd5e1;
  line-height: 1.5;
}

.synergy-pill-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 12px;
}

.pill-card {
  padding: 10px;
  border-radius: var(--radius-sm);
  font-size: 0.76rem;
  line-height: 1.4;
}

.pill-card.green {
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.2);
  color: #a7f3d0;
}

.pill-card.blue {
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.2);
  color: #bae6fd;
}

.pill-title {
  font-weight: 700;
  margin-bottom: 4px;
  display: block;
}

/* ==========================================================================
   PROBLEM VS SOLUTION (ANTES Y DESPUÉS)
   ========================================================================== */
.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

@media (max-width: 768px) {
  .comparison-grid {
    grid-template-columns: 1fr;
  }
}

.comparison-card {
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  position: relative;
  overflow: hidden;
}

.comparison-card.card-traditional {
  background: linear-gradient(180deg, rgba(239, 68, 68, 0.04) 0%, rgba(20, 10, 15, 0.5) 100%);
  border: 1px solid rgba(239, 68, 68, 0.18);
}

.comparison-card.card-sira {
  background: linear-gradient(180deg, rgba(99, 102, 241, 0.08) 0%, rgba(16, 22, 54, 0.7) 100%);
  border: 1px solid var(--border-highlight);
  box-shadow: 0 0 40px rgba(99, 102, 241, 0.12);
}

.comp-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.comp-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-weight: 600;
}

.comp-badge.badge-red {
  background: rgba(239, 68, 68, 0.15);
  color: #fca5a5;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.comp-badge.badge-purple {
  background: rgba(99, 102, 241, 0.2);
  color: #c7d2fe;
  border: 1px solid rgba(99, 102, 241, 0.4);
}

.comp-header h3 {
  font-size: 1.45rem;
}

.comp-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.comp-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 0.98rem;
  color: var(--text-muted);
}

.comp-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
  font-size: 0.8rem;
}

.comp-icon.icon-red {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
}

.comp-icon.icon-green {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
}

.comp-list strong {
  color: var(--text-white);
  font-weight: 600;
}

/* ==========================================================================
   LIVE MATCH SIMULATOR
   ========================================================================== */
.simulator-wrapper {
  background: rgba(14, 19, 48, 0.7);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  padding: 40px;
  backdrop-filter: blur(24px);
  box-shadow: var(--shadow-card);
  max-width: 1040px;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .simulator-wrapper {
    padding: 24px 18px;
  }
}

.simulator-controls {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
  margin-bottom: 32px;
}

@media (max-width: 768px) {
  .simulator-controls {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

.sim-select-card {
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px;
}

.sim-select-card label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 10px;
}

.sim-select {
  width: 100%;
  background: rgba(5, 7, 19, 0.8);
  border: 1px solid var(--border-medium);
  color: var(--text-white);
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.92rem;
  outline: none;
  cursor: pointer;
  transition: border-color 0.2s;
}

.sim-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.sim-connector-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan);
  margin: 0 auto;
}

.mini-profile-card {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border-subtle);
}

.mini-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  color: white;
  flex-shrink: 0;
}

.mini-info {
  flex: 1;
  min-width: 0;
}

.mini-name {
  font-size: 0.95rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mini-role {
  font-size: 0.78rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mini-badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: 2px 7px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.05);
  color: #94a3b8;
}

.mini-bio-details {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.mini-detail-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 0.8rem;
}

.mini-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  padding: 1px 6px;
  border-radius: 3px;
  font-weight: 600;
}

.mini-tag-offer {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
}

.mini-tag-need {
  background: rgba(56, 189, 248, 0.15);
  color: #38bdf8;
}

.mini-text {
  color: var(--text-muted);
  line-height: 1.35;
}

.sim-action-center {
  text-align: center;
  margin-bottom: 32px;
}

/* Result Card in Simulator */
.sim-output-area {
  min-height: 280px;
  position: relative;
}

.sim-placeholder {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-faint);
  border: 1px dashed var(--border-medium);
  border-radius: var(--radius-md);
}

.sim-loading {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 24px;
  gap: 16px;
}

.sim-loading .ai-pulse {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--gradient-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 30px rgba(99, 102, 241, 0.5);
  animation: pulse-ring 1.4s cubic-bezier(0.24, 0, 0.38, 1) infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.7); }
  70% { transform: scale(1.05); box-shadow: 0 0 0 20px rgba(99, 102, 241, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(99, 102, 241, 0); }
}

.sim-result-card {
  display: none;
  background: linear-gradient(180deg, rgba(16, 24, 60, 0.9) 0%, rgba(9, 13, 36, 0.95) 100%);
  border: 1px solid var(--border-highlight);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-card);
}

.sim-result-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 18px;
  margin-bottom: 20px;
}

.sim-pair-names {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-white);
}

.sim-score-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
}

.score-circle {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.12);
  border: 2px solid #10b981;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 20px rgba(16, 185, 129, 0.25);
}

.score-number {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 800;
  color: #34d399;
  line-height: 1;
}

.score-label {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  text-transform: uppercase;
  color: #6ee7b7;
}

.sim-match-archetype {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  background: rgba(99, 102, 241, 0.18);
  border: 1px solid rgba(99, 102, 241, 0.35);
  color: #e0e7ff;
  padding: 5px 12px;
  border-radius: var(--radius-full);
}

.sim-rationale {
  font-size: 0.98rem;
  color: #e2e8f0;
  line-height: 1.6;
  margin-bottom: 20px;
}

.sim-synergy-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

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

.synergy-box {
  padding: 16px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
}

.synergy-box.box-offer {
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.22);
}

.synergy-box.box-need {
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.22);
}

.synergy-box-title {
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.box-offer .synergy-box-title { color: #34d399; }
.box-need .synergy-box-title { color: #38bdf8; }

.icebreaker-box {
  background: rgba(255, 255, 255, 0.035);
  border-left: 3px solid var(--violet);
  padding: 14px 18px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
  font-size: 0.9rem;
  color: #cbd5e1;
}

.icebreaker-label {
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  color: #c084fc;
  display: block;
  margin-bottom: 4px;
}

/* ==========================================================================
   ALGORITHM FEATURES (SECRET SAUCE)
   ========================================================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

@media (max-width: 990px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

.feature-card {
  background: var(--bg-glass-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  position: relative;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-highlight);
  box-shadow: var(--shadow-card);
}

.feature-icon-wrapper {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  font-size: 1.35rem;
}

.icon-gradient-1 {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.25), rgba(168, 85, 247, 0.25));
  border: 1px solid rgba(99, 102, 241, 0.4);
  color: #818cf8;
}

.icon-gradient-2 {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.25), rgba(59, 130, 246, 0.25));
  border: 1px solid rgba(6, 182, 212, 0.4);
  color: #38bdf8;
}

.icon-gradient-3 {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.25), rgba(52, 211, 153, 0.25));
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: #34d399;
}

.icon-gradient-4 {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.25), rgba(239, 68, 68, 0.25));
  border: 1px solid rgba(245, 158, 11, 0.4);
  color: #fbbf24;
}

.icon-gradient-5 {
  background: linear-gradient(135deg, rgba(236, 72, 153, 0.25), rgba(168, 85, 247, 0.25));
  border: 1px solid rgba(236, 72, 153, 0.4);
  color: #f472b6;
}

.icon-gradient-6 {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.25), rgba(6, 182, 212, 0.25));
  border: 1px solid rgba(99, 102, 241, 0.4);
  color: #67e8f9;
}

.feature-card h3 {
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.94rem;
  line-height: 1.6;
  flex: 1;
}

.feature-tag {
  align-self: flex-start;
  margin-top: 20px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  color: var(--cyan);
  background: rgba(6, 182, 212, 0.1);
  padding: 3px 8px;
  border-radius: 4px;
}

/* ==========================================================================
   ORGANIZERS SECTION & ROI CALCULATOR
   ========================================================================== */
.organizers-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

@media (max-width: 900px) {
  .organizers-wrapper {
    grid-template-columns: 1fr;
  }
}

.organizers-info h2 {
  font-size: clamp(2rem, 3.8vw, 2.7rem);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.organizers-info > p {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 28px;
}

.benefit-ticks {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 36px;
}

.benefit-ticks li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.98rem;
  color: #e2e8f0;
}

.tick-icon {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(99, 102, 241, 0.2);
  color: #818cf8;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  flex-shrink: 0;
}

/* Interactive Calculator Box */
.calculator-box {
  background: rgba(14, 19, 48, 0.8);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(20px);
}

.calc-header {
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 18px;
  margin-bottom: 24px;
}

.calc-header h3 {
  font-size: 1.35rem;
  margin-bottom: 6px;
}

.calc-header p {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.slider-group {
  margin-bottom: 32px;
}

.slider-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.slider-label-row span {
  font-size: 0.92rem;
  color: var(--text-muted);
}

.slider-val-badge {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--text-white);
  background: rgba(99, 102, 241, 0.2);
  border: 1px solid rgba(99, 102, 241, 0.4);
  padding: 2px 14px;
  border-radius: var(--radius-full);
}

.custom-range {
  width: 100%;
  height: 8px;
  -webkit-appearance: none;
  appearance: none;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  outline: none;
  cursor: pointer;
}

.custom-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 0 15px var(--primary);
  border: 2px solid var(--primary);
  cursor: pointer;
  transition: transform 0.15s;
}

.custom-range::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.calc-results-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 28px;
}

.calc-stat-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 16px;
  text-align: center;
}

.calc-stat-card .stat-number {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-white);
  line-height: 1.1;
  margin-bottom: 4px;
}

.calc-stat-card.stat-indigo .stat-number { color: #818cf8; }
.calc-stat-card.stat-emerald .stat-number { color: #34d399; }
.calc-stat-card.stat-cyan .stat-number { color: #38bdf8; }
.calc-stat-card.stat-amber .stat-number { color: #fbbf24; }

.calc-stat-card .stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.3;
}

/* ==========================================================================
   HOW IT WORKS (STEP BY STEP)
   ========================================================================== */
.steps-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  position: relative;
}

@media (max-width: 840px) {
  .steps-container {
    grid-template-columns: 1fr;
  }
}

.step-card {
  background: var(--bg-glass-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  position: relative;
  transition: all 0.3s ease;
}

.step-card:hover {
  border-color: var(--border-medium);
  transform: translateY(-4px);
}

.step-number-tag {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary);
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.3);
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 20px;
}

.step-card h3 {
  font-size: 1.35rem;
  margin-bottom: 12px;
}

.step-card p {
  color: var(--text-muted);
  font-size: 0.94rem;
  line-height: 1.6;
}

/* ==========================================================================
   USE CASES / TARGET AUDIENCES
   ========================================================================== */
.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

@media (max-width: 990px) {
  .use-cases-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 520px) {
  .use-cases-grid {
    grid-template-columns: 1fr;
  }
}

.use-case-card {
  background: var(--bg-glass-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  transition: all 0.25s;
}

.use-case-card:hover {
  background: var(--bg-glass-hover);
  border-color: var(--border-medium);
  transform: translateY(-3px);
}

.use-case-card .uc-icon {
  font-size: 1.8rem;
  margin-bottom: 14px;
  display: block;
}

.use-case-card h4 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.use-case-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ==========================================================================
   TESTIMONIALS / COHORTS VALIDATION
   ========================================================================== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

@media (max-width: 900px) {
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
}

.testimonial-card {
  background: var(--bg-glass-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.testimonial-quote {
  font-size: 0.98rem;
  color: #e2e8f0;
  line-height: 1.65;
  margin-bottom: 24px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
  border-top: 1px solid var(--border-subtle);
  padding-top: 18px;
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: white;
  font-size: 0.9rem;
}

.author-name {
  font-weight: 700;
  font-size: 0.95rem;
}

.author-role {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ==========================================================================
   FAQ ACCORDION
   ========================================================================== */
.faq-wrapper {
  max-width: 820px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-glass-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color 0.25s;
}

.faq-item:hover {
  border-color: var(--border-medium);
}

.faq-item.faq-open {
  border-color: var(--border-highlight);
  background: rgba(255, 255, 255, 0.05);
}

.faq-question {
  width: 100%;
  background: transparent;
  border: none;
  padding: 22px 24px;
  text-align: left;
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 600;
  color: var(--text-white);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.faq-chevron {
  width: 20px;
  height: 20px;
  transition: transform 0.3s ease;
  color: var(--primary);
  flex-shrink: 0;
}

.faq-item.faq-open .faq-chevron {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1), padding 0.35s ease;
  padding: 0 24px;
}

.faq-item.faq-open .faq-answer {
  max-height: 350px;
  padding-bottom: 22px;
}

.faq-answer p {
  color: var(--text-muted);
  font-size: 0.96rem;
  line-height: 1.65;
}

/* ==========================================================================
   FINAL CTA BANNER
   ========================================================================== */
.final-cta-section {
  padding-bottom: 120px;
}

.cta-banner {
  background: radial-gradient(circle at 50% 0%, rgba(99, 102, 241, 0.3) 0%, rgba(10, 14, 38, 0.95) 75%);
  border: 1px solid var(--border-highlight);
  border-radius: var(--radius-lg);
  padding: 72px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-card), 0 0 80px rgba(99, 102, 241, 0.25);
}

@media (max-width: 640px) {
  .cta-banner {
    padding: 48px 24px;
  }
}

.cta-banner h2 {
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  margin-bottom: 18px;
  letter-spacing: -0.02em;
}

.cta-banner p {
  color: #cbd5e1;
  font-size: 1.15rem;
  max-width: 640px;
  margin: 0 auto 36px;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  border-top: 1px solid var(--border-subtle);
  background: #04050d;
  padding: 60px 0 32px;
  position: relative;
  z-index: 10;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

@media (max-width: 860px) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 520px) {
  .footer-top {
    grid-template-columns: 1fr;
  }
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 14px;
  max-width: 320px;
  line-height: 1.5;
}

.footer-col h5 {
  font-size: 0.9rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  color: var(--text-white);
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.88rem;
  transition: color 0.2s;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.82rem;
  color: var(--text-faint);
}

/* ==========================================================================
   DEMO MODAL
   ========================================================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(3, 4, 12, 0.8);
  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;
}

.modal-overlay.modal-visible {
  opacity: 1;
  pointer-events: auto;
}

.modal-window {
  background: #0d122b;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  max-width: 520px;
  width: 100%;
  padding: 36px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.7), 0 0 50px rgba(99, 102, 241, 0.2);
  position: relative;
  transform: translateY(20px) scale(0.96);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-visible .modal-window {
  transform: translateY(0) scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  width: 34px;
  height: 34px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.modal-close-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
}

.modal-header h3 {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.modal-header p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  color: #cbd5e1;
  margin-bottom: 6px;
  letter-spacing: 0.03em;
}

.form-input, .form-select {
  width: 100%;
  background: rgba(5, 7, 19, 0.7);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: var(--text-white);
  font-family: var(--font-body);
  font-size: 0.92rem;
  outline: none;
  transition: border-color 0.2s;
}

.form-input:focus, .form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.25);
}

.modal-success-state {
  display: none;
  text-align: center;
  padding: 24px 0;
}

.success-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.15);
  border: 2px solid #10b981;
  color: #10b981;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto 20px;
}

.modal-success-state h4 {
  font-size: 1.4rem;
  margin-bottom: 10px;
}

.modal-success-state p {
  color: var(--text-muted);
  font-size: 0.94rem;
  line-height: 1.5;
  margin-bottom: 24px;
}

/* Spinner */
.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: #ffffff;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Animations */
.fade-in-up {
  animation: fadeInUp 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reveal-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-on-scroll.revealed {
  opacity: 1;
  transform: translateY(0);
}