/* ═══════════════════════════════════════════
   CSS VARIABLES & RESET
   ═══════════════════════════════════════════ */
:root {
  --bg-deep: #040810;
  --bg-primary: #0a0f1a;
  --bg-card: #0e1525;
  --bg-card-hover: #131c30;
  --bg-elevated: #111827;

  --accent-blue: #3b82f6;
  --accent-blue-dim: #1e3a5f;
  --accent-cyan: #22d3ee;
  --accent-red: #ef4444;
  --accent-red-glow: #ff2d2d;
  --accent-gold: #f59e0b;
  --accent-emerald: #10b981;

  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-accent: #cbd5e1;

  --border-subtle: rgba(148, 163, 184, 0.08);
  --border-visible: rgba(148, 163, 184, 0.15);

  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'DM Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --glow-blue: 0 0 60px rgba(59, 130, 246, 0.15);
  --glow-red: 0 0 40px rgba(239, 68, 68, 0.12);
  --glow-cyan: 0 0 40px rgba(34, 211, 238, 0.1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background: var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.7;
  overflow-x: hidden;
}

::selection {
  background: var(--accent-blue);
  color: white;
}

/* ═══════════════════════════════════════════
   UTILITY
   ═══════════════════════════════════════════ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 4vw, 3rem);
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent-blue);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.section-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 1px;
  background: var(--accent-blue);
}

.section-heading {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text-primary);
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* staggered children */
.fade-in-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.fade-in-stagger.visible > *:nth-child(1) { transition-delay: 0s; }
.fade-in-stagger.visible > *:nth-child(2) { transition-delay: 0.1s; }
.fade-in-stagger.visible > *:nth-child(3) { transition-delay: 0.2s; }
.fade-in-stagger.visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* ═══════════════════════════════════════════
   NAV
   ═══════════════════════════════════════════ */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.25rem 0;
  transition: all 0.4s ease;
  background: transparent;
}

nav.scrolled {
  background: rgba(4, 8, 16, 0.85);
  backdrop-filter: blur(20px) saturate(1.2);
  -webkit-backdrop-filter: blur(20px) saturate(1.2);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.75rem 0;
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--text-primary);
}

.nav-logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: white;
}

.nav-logo-text {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.nav-logo-text span {
  color: var(--accent-blue);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: color 0.3s;
  position: relative;
}

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

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent-blue);
  transition: width 0.3s;
}

.nav-links a:hover::after { width: 100%; }

.nav-cta {
  background: var(--accent-blue) !important;
  color: white !important;
  padding: 0.55rem 1.4rem;
  border-radius: 6px;
  font-weight: 600 !important;
  transition: all 0.3s !important;
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.2);
}

.nav-cta:hover {
  background: #2563eb !important;
  box-shadow: 0 0 30px rgba(59, 130, 246, 0.35) !important;
  transform: translateY(-1px);
}

.nav-cta::after { display: none !important; }

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

/* ═══════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════ */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 8rem 0 6rem;
  z-index: 1;
  pointer-events: none;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 70vw;
  height: 70vw;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.06) 0%, transparent 70%);
  animation: vf-heroPulse 8s ease-in-out infinite;
}

.hero-bg::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -20%;
  width: 60vw;
  height: 60vw;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(239, 68, 68, 0.04) 0%, transparent 70%);
  animation: vf-heroPulse 10s ease-in-out infinite reverse;
}

@keyframes vf-heroPulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.1); opacity: 0.7; }
}

.hero-grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(59, 130, 246, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 130, 246, 0.03) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 60% 60% at 50% 40%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 60% 60% at 50% 40%, black 20%, transparent 70%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 780px;
  pointer-events: auto;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  opacity: 0;
  animation: vf-fadeUp 0.8s 0.2s forwards;
}

.hero-eyebrow .pulse-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 10px var(--accent-cyan);
  animation: vf-pulse 2s ease-in-out infinite;
}

@keyframes vf-pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 10px var(--accent-cyan); }
  50% { opacity: 0.5; box-shadow: 0 0 20px var(--accent-cyan); }
}

.hero-heading {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 5.5vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1.75rem;
  opacity: 0;
  animation: vf-fadeUp 0.8s 0.4s forwards;
}

.hero-heading .highlight {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.2rem;
  font-weight: 300;
  color: var(--text-secondary);
  line-height: 1.75;
  max-width: 580px;
  margin-bottom: 2.75rem;
  opacity: 0;
  animation: vf-fadeUp 0.8s 0.6s forwards;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
  opacity: 0;
  animation: vf-fadeUp 0.8s 0.8s forwards;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 2rem;
  background: var(--accent-blue);
  color: white;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 8px;
  transition: all 0.3s;
  box-shadow: 0 0 30px rgba(59, 130, 246, 0.2), 0 4px 20px rgba(0,0,0,0.3);
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  background: #2563eb;
  box-shadow: 0 0 40px rgba(59, 130, 246, 0.35), 0 8px 30px rgba(0,0,0,0.3);
  transform: translateY(-2px);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 2rem;
  background: transparent;
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  border-radius: 8px;
  border: 1px solid var(--border-visible);
  transition: all 0.3s;
  cursor: pointer;
}

.btn-ghost:hover {
  color: var(--text-primary);
  border-color: var(--text-muted);
  background: rgba(255,255,255,0.03);
}

.hero-stats {
  display: flex;
  gap: 3rem;
  margin-top: 4rem;
  padding-top: 3rem;
  border-top: 1px solid var(--border-subtle);
  opacity: 0;
  animation: vf-fadeUp 0.8s 1s forwards;
}

.hero-stat-value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}

.hero-stat-value .unit {
  font-size: 0.65em;
  color: var(--accent-blue);
  margin-left: 2px;
}

.hero-stat-label {
  font-size: 1.0rem;
  color: var(--text-muted);
  margin-top: 0.4rem;
  line-height: 1.4;
}

@keyframes vf-fadeUp {
  from { opacity: 0; transform: translateY(25px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ═══════════════════════════════════════════
   PROBLEM SECTION
   ═══════════════════════════════════════════ */
#problem {
  padding: 10rem 0 6rem;
  position: relative;
}

#problem::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-visible), transparent);
}

.problem-intro {
  max-width: 700px;
  margin-bottom: 5rem;
}

.problem-intro .section-heading {
  font-size: clamp(2rem, 3.5vw, 3rem);
  margin-bottom: 1.5rem;
}

.problem-intro p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  font-weight: 300;
}

.stat-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-bottom: 5rem;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
  transition: all 0.4s;
}

.stat-card:hover {
  border-color: var(--border-visible);
  background: var(--bg-card-hover);
  transform: translateY(-3px);
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
}

.stat-card:nth-child(1)::before { background: linear-gradient(90deg, var(--accent-red), transparent); }
.stat-card:nth-child(2)::before { background: linear-gradient(90deg, var(--accent-red-glow), transparent); }

.stat-number {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 0.75rem;
  background: linear-gradient(135deg, var(--accent-red), #f97316);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-description {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.stat-source {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.3s;
}

.stat-source:hover { color: var(--accent-blue); }

/* Quote block */
.quote-block {
  background: var(--bg-card);
  border-left: 3px solid var(--accent-blue);
  border-radius: 0 12px 12px 0;
  padding: 2.5rem 3rem;
  margin: 4rem 0;
  position: relative;
}

.quote-block::before {
  content: '\201C';
  font-family: var(--font-display);
  font-size: 6rem;
  color: var(--accent-blue);
  opacity: 0.15;
  position: absolute;
  top: -10px;
  left: 20px;
  line-height: 1;
}

.quote-text {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-style: italic;
  color: var(--text-accent);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.quote-attribution {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.quote-attribution strong {
  color: var(--text-secondary);
  font-weight: 600;
}

/* ═══════════════════════════════════════════
   SOLUTION SECTION
   ═══════════════════════════════════════════ */
#solution {
  padding: 8rem 0;
  position: relative;
}

.solution-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: center;
  margin-bottom: 5rem;
}

.solution-visual {
  position: relative;
}

.solution-visual-frame {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 2rem;
  position: relative;
  overflow: hidden;
}

.solution-visual-frame::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.05), transparent 50%, rgba(34, 211, 238, 0.03));
  pointer-events: none;
}

.comparison-cols {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1rem;
  text-align: center;
}

.comparison-col {
  padding: 1.25rem 0.75rem;
  border-radius: 10px;
  border: 1px solid var(--border-subtle);
  transition: all 0.3s;
}

.comparison-col:last-child {
  border-color: var(--accent-blue);
  background: rgba(59, 130, 246, 0.05);
  box-shadow: var(--glow-blue);
}

.comparison-col-label {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.comparison-col:last-child .comparison-col-label {
  color: var(--accent-cyan);
}

.comparison-col-question {
  font-size: 0.9rem;
  font-style: italic;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

.comparison-col-answer {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.5;
}

.comparison-col:last-child .comparison-col-answer {
  color: var(--accent-cyan);
}

.vf-flow-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  justify-content: center;
  margin-top: 0.5rem;
}

.vf-flow-tag {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  background: rgba(34, 211, 238, 0.1);
  color: var(--accent-cyan);
  border: 1px solid rgba(34, 211, 238, 0.15);
}

.solution-content .section-heading {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  margin-bottom: 1.5rem;
}

.solution-content p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  font-weight: 300;
  margin-bottom: 1.5rem;
}

.feature-list {
  list-style: none;
  margin-top: 2rem;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.6rem 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.feature-list li .icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}

.feature-list li .icon::after {
  content: '\2713';
  font-size: 0.75rem;
  color: var(--accent-blue);
}

/* Surgeon endorsement strip */
.endorsement-strip {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 3rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 3rem;
  align-items: center;
}

.endorsement-text {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-style: italic;
  color: var(--text-accent);
  line-height: 1.6;
}

.endorsement-meta {
  text-align: right;
}

.endorsement-name {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.95rem;
}

.endorsement-title {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.endorsement-event {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-blue);
  margin-top: 0.75rem;
  letter-spacing: 0.05em;
}

/* ═══════════════════════════════════════════
   MARKET OPPORTUNITY
   ═══════════════════════════════════════════ */
#market {
  padding: 8rem 0;
  position: relative;
}

#market::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-visible), transparent);
}

.market-header {
  max-width: 700px;
  margin-bottom: 4rem;
}

.market-header .section-heading {
  font-size: clamp(2rem, 3.5vw, 3rem);
  margin-bottom: 1.5rem;
}

.market-header p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  font-weight: 300;
}

.market-playbook {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 3rem;
  margin-bottom: 3rem;
  position: relative;
  overflow: hidden;
}

.market-playbook::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-gold), var(--accent-emerald));
}

.playbook-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.playbook-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.playbook-item {
  text-align: center;
  padding: 1.5rem;
}

.playbook-value {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.playbook-value.growth { color: var(--accent-emerald); }
.playbook-value.valuation { color: var(--accent-gold); }
.playbook-value.sales { color: var(--accent-blue); }

.playbook-description {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.playbook-context {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: center;
}

.advantage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.advantage-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 2rem;
  transition: all 0.4s;
}

.advantage-card:hover {
  border-color: var(--accent-blue);
  background: var(--bg-card-hover);
  transform: translateY(-3px);
  box-shadow: var(--glow-blue);
}

.advantage-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 1.25rem;
}

.advantage-card:nth-child(1) .advantage-icon { background: rgba(59, 130, 246, 0.1); border: 1px solid rgba(59, 130, 246, 0.15); }
.advantage-card:nth-child(2) .advantage-icon { background: rgba(34, 211, 238, 0.1); border: 1px solid rgba(34, 211, 238, 0.15); }
.advantage-card:nth-child(3) .advantage-icon { background: rgba(16, 185, 129, 0.1); border: 1px solid rgba(16, 185, 129, 0.15); }

.advantage-card h3 {
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.advantage-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ═══════════════════════════════════════════
   TEAM SECTION
   ═══════════════════════════════════════════ */
#team {
  padding: 8rem 0;
  position: relative;
}

#team::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-visible), transparent);
}

.team-header {
  max-width: 700px;
  margin-bottom: 4rem;
}

.team-header .section-heading {
  font-size: clamp(2rem, 3.5vw, 3rem);
  margin-bottom: 1.5rem;
}

.team-header p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  font-weight: 300;
}

.founder-spotlight {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 3rem;
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 3rem;
  align-items: start;
  margin-bottom: 4rem;
  position: relative;
  overflow: hidden;
}

.founder-spotlight::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
}

.founder-photo {
  width: 200px;
  height: 240px;
  border-radius: 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-visible);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.founder-photo-placeholder {
  font-family: var(--font-display);
  font-size: 3rem;
  color: var(--accent-blue);
  opacity: 0.4;
}

.founder-info h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.3rem;
}

.founder-info .title {
  font-size: 0.85rem;
  color: var(--accent-blue);
  font-weight: 500;
  margin-bottom: 1.25rem;
}

.founder-info .credentials {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.credential-tag {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 0.3rem 0.7rem;
  border-radius: 4px;
  background: rgba(59, 130, 246, 0.08);
  color: var(--accent-blue);
  border: 1px solid rgba(59, 130, 246, 0.12);
  letter-spacing: 0.03em;
}

.founder-info .bio {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  font-weight: 300;
}

.advisory-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 4rem;
}

.advisor-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
  transition: all 0.4s;
}

.advisor-card:hover {
  border-color: var(--border-visible);
  background: var(--bg-card-hover);
}

.advisor-photo {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  margin: 0 auto 1.25rem;
  background: var(--bg-elevated);
  border: 2px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.advisor-photo-placeholder {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--text-muted);
}

.advisor-card h3 {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.advisor-card .role {
  font-size: 0.8rem;
  color: var(--accent-blue);
  margin-bottom: 0.75rem;
}

.advisor-card .affiliation {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 1rem;
}

.advisor-quote {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-subtle);
}

.clinical-collab {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 2.5rem 3rem;
  text-align: center;
}

.clinical-collab h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.clinical-collab p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.institution-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 3rem;
  flex-wrap: wrap;
}

.institution-logo {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  padding: 1rem 1.5rem;
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  transition: all 0.3s;
  letter-spacing: 0.02em;
}

.institution-logo:hover {
  border-color: var(--border-visible);
  color: var(--text-secondary);
  background: rgba(255,255,255,0.02);
}

/* ═══════════════════════════════════════════
   CTA SECTION
   ═══════════════════════════════════════════ */
#cta {
  padding: 8rem 0;
  position: relative;
}

#cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-blue), transparent);
}

.cta-container {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.cta-container .section-label {
  justify-content: center;
}

.cta-container .section-label::before { display: none; }

.cta-heading {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 1.5rem;
}

.cta-sub {
  font-size: 1.1rem;
  color: var(--text-secondary);
  font-weight: 300;
  margin-bottom: 1rem;
}

.raise-progress {
  max-width: 400px;
  margin: 2.5rem auto;
}

.raise-bar-bg {
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: var(--bg-card);
  overflow: hidden;
  margin-bottom: 0.75rem;
}

.raise-bar-fill {
  height: 100%;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
  width: 0%;
  transition: width 1.5s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 0 12px rgba(59, 130, 246, 0.4);
}

.raise-bar-fill.animated { width: 90%; }

.raise-labels {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.95rem;
}

.raise-raised {
  color: var(--accent-cyan);
  font-weight: 500;
}

.raise-target {
  color: var(--text-muted);
}

.cta-actions {
  margin-top: 2.5rem;
  display: flex;
  justify-content: center;
  gap: 1rem;
}

.cta-note {
  margin-top: 1.5rem;
  font-size: 1.0rem;
  color: var(--text-muted);
}

/* ═══════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════ */
footer {
  padding: 3rem 0;
  border-top: 1px solid var(--border-subtle);
}

footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-copy {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.footer-links a {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.3s;
}

.footer-links a:hover { color: var(--text-secondary); }


/* ═══════════════════════════════════════════
   VESSEL REVEAL BANNER
   ═══════════════════════════════════════════ */
.vessel-banner {
  position: relative;
  width: 100%;
  aspect-ratio: 1920 / 900;
  overflow: hidden;
  cursor: none;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: -18rem;
  z-index: 0;
}

.vessel-banner .flow-layer {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.vessel-banner .flow-layer img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: fill;
}

.vessel-banner .outline-layer {
  position: absolute;
  inset: 0;
  z-index: 2;
}

.vessel-banner .outline-layer img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: fill;
}

.vessel-banner .reveal-canvas {
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
}

.vessel-banner .banner-prompt {
  position: absolute;
  bottom: 24px;
  left: 35%;
  transform: none;
  z-index: 5;
  pointer-events: none;
  transition: opacity 0.6s;
}

.vessel-banner .banner-prompt.hidden { opacity: 0; }

.vessel-banner .banner-prompt span {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(245, 158, 11, 0.4);
  animation: vf-bannerPromptFade 3s ease-in-out infinite;
}

@keyframes vf-bannerPromptFade {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 0.7; }
}


.vessel-caliper {
  position: fixed;
  pointer-events: none;
  z-index: 101;
  opacity: 0;
  transition: opacity 0.15s;
}

.vessel-caliper.visible { opacity: 1; }

.vessel-caliper line {
  stroke: rgba(255, 255, 255, 0.3);
  stroke-width: 1;
  stroke-linecap: round;
}

.vessel-caliper .caliper-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  fill: rgba(34, 211, 238, 0.85);
  text-anchor: middle;
}


.vessel-caliper .caliper-velocity {
  display: none;
}


.vel-counter {
  position: fixed;
  pointer-events: none;
  z-index: 102;
  opacity: 0;
  transition: opacity 0.15s;
  font-family: 'DM Sans', sans-serif;
  font-size: 16px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
}

.vel-counter.visible { opacity: 1; }

.vel-counter-clip {
  display: flex;
  height: 20px;
  line-height: 20px;
  overflow: hidden;
}

.vel-digit {
  width: 10px;
  height: 20px;
  text-align: center;
}

.vel-digit-inner {
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.vel-digit-inner div {
  height: 20px;
}

.banner-cursor-ring {
  position: fixed;
  width: 440px;
  height: 440px;
  border: 1px solid rgba(34, 211, 238, 0.15);
  border-radius: 50%;
  pointer-events: none;
  z-index: 100;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity 0.3s;
}

.banner-cursor-ring.visible { opacity: 1; }

.banner-cursor-ring::after {
  content: '';
  position: absolute;
  inset: 10px;
  border: 1px solid rgba(59, 130, 246, 0.08);
  border-radius: 50%;
}

.banner-cursor-dot {
  position: fixed;
  width: 6px;
  height: 6px;
  background: rgba(255, 255, 255, 0.8);
  border-radius: 50%;
  pointer-events: none;
  z-index: 102;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity 0.3s;
}

.banner-cursor-dot.visible { opacity: 1; }

@media (max-width: 900px) {
  .vessel-banner { cursor: auto; margin-bottom: 0; }
  .banner-cursor-ring { display: none; }
}

/* ═══════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════ */
@media (max-width: 900px) {
  .solution-grid { grid-template-columns: 1fr; gap: 3rem; }
  .stat-cards { grid-template-columns: 1fr; }
  .playbook-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .advantage-grid { grid-template-columns: 1fr; }
  .advisory-grid { grid-template-columns: 1fr; }
  .founder-spotlight { grid-template-columns: 1fr; text-align: center; }
  .founder-photo { margin: 0 auto; }
  .founder-info .credentials { justify-content: center; }
  .endorsement-strip { grid-template-columns: 1fr; text-align: center; }
  .endorsement-meta { text-align: center; }
  .hero-stats { flex-direction: column; gap: 1.5rem; }
  .institution-logos { gap: 1.5rem; }
  .nav-links { display: none; }
  .nav-toggle { display: block; }
}

@media (max-width: 600px) {
  .comparison-cols { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .cta-actions { flex-direction: column; align-items: center; }
  footer .container { flex-direction: column; gap: 1rem; text-align: center; }
}

/* ═══════════════════════════════════════════
   INVEST GATE MODAL
   ═══════════════════════════════════════════ */
.invest-gate-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(4, 8, 16, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  align-items: center;
  justify-content: center;
}
.invest-gate-overlay.active { display: flex; }

.invest-gate-box {
  background: var(--bg-card);
  border: 1px solid var(--border-visible);
  border-radius: 16px;
  padding: 2.5rem 2rem 2rem;
  max-width: 380px;
  width: 90%;
  text-align: center;
  box-shadow: var(--glow-blue);
  position: relative;
}

.invest-gate-box h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.invest-gate-box p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.5;
}

.invest-gate-input {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  border: 1px solid var(--border-visible);
  background: var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  text-align: center;
  letter-spacing: 0.1em;
  outline: none;
  transition: border-color 0.3s;
}
.invest-gate-input:focus { border-color: var(--accent-blue); }
.invest-gate-input.error { border-color: var(--accent-red); animation: vf-gateShake 0.4s ease; }

.invest-gate-submit {
  margin-top: 1rem;
  width: 100%;
  padding: 0.75rem;
  border: none;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent-blue), #2563eb);
  color: white;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: opacity 0.3s;
}
.invest-gate-submit:hover { opacity: 0.9; }

.invest-gate-close {
  position: absolute;
  top: 0.75rem;
  right: 1rem;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.4rem;
  cursor: pointer;
  line-height: 1;
  transition: color 0.3s;
}
.invest-gate-close:hover { color: var(--text-primary); }

@keyframes vf-gateShake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-6px); }
  40%, 80% { transform: translateX(6px); }
}