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

:root {
  --bg:        #080C14;
  --bg-2:      #0D1220;
  --bg-3:      #111827;
  --bg-card:   #0F1725;
  --border:    rgba(255,255,255,0.07);
  --border-hi: rgba(0,229,255,0.25);
  --cyan:      #00E5FF;
  --cyan-dim:  rgba(0,229,255,0.12);
  --purple:    #6C63FF;
  --green:     #00C896;
  --gold:      #FFB800;
  --text-1:    #F0F4FF;
  --text-2:    #8A9BB5;
  --text-3:    #5A6A80;
  --font:      'Inter', system-ui, sans-serif;
  --mono:      'JetBrains Mono', 'Fira Code', monospace;
  --r-sm:      6px;
  --r-md:      12px;
  --r-lg:      20px;
  --shadow:    0 4px 32px rgba(0,0,0,0.5);
  --glow:      0 0 40px rgba(0,229,255,0.15);
  --amber:     #F59E0B;
  --red-danger:#EF4444;
  --node-grey: #4a5568;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text-1);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ===== LAYOUT ===== */
.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 96px 0; }

/* ===== TYPOGRAPHY ===== */
h1,h2,h3,h4 { line-height: 1.2; font-weight: 700; }
h1 { font-size: clamp(2.4rem, 5vw, 4rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.75rem); letter-spacing: -0.015em; }
h3 { font-size: 1.15rem; font-weight: 600; }
p { color: var(--text-2); }

.gradient-text {
  background: linear-gradient(135deg, var(--cyan) 0%, var(--purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 12px;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}

.section-header h2 { margin-bottom: 16px; }
.section-desc { font-size: 1.05rem; color: var(--text-2); }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: var(--r-sm);
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  border: none;
}

.btn-primary {
  background: var(--cyan);
  color: #080C14;
  padding: 10px 20px;
}
.btn-primary:hover { background: #33EEFF; box-shadow: 0 0 20px rgba(0,229,255,0.35); }

.btn-ghost {
  background: transparent;
  color: var(--text-1);
  padding: 10px 20px;
  border: 1px solid var(--border);
}
.btn-ghost:hover { border-color: var(--border-hi); color: var(--cyan); }

.btn-lg { padding: 14px 28px; font-size: 1rem; border-radius: var(--r-md); }

/* ===== PATENT BANNER ===== */
.patent-banner {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1001;
  background: rgba(0, 229, 255, 0.06);
  border-bottom: 1px solid rgba(0, 229, 255, 0.15);
  text-align: center;
  font-size: 0.72rem;
  font-family: 'JetBrains Mono', monospace;
  color: rgba(160, 174, 192, 0.85);
  letter-spacing: 0.04em;
  padding: 5px 1rem;
  pointer-events: none;
}

/* ===== NAV ===== */
.nav-wrapper {
  position: fixed;
  top: 27px; left: 0; right: 0;
  z-index: 100;
  background: rgba(8,12,20,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  color: var(--text-1);
  text-decoration: none;
  flex-shrink: 0;
}

.logo-icon { display: flex; align-items: center; }

.nav-links {
  display: flex;
  list-style: none;
  gap: 24px;
  margin-left: auto;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-2);
  text-decoration: none;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text-1); }

.nav-cta { margin-left: 16px; }

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-1);
  border-radius: 2px;
  transition: all 0.25s;
}

/* ===== HERO ===== */
.hero {
  position: relative;
  padding: 187px 0 80px;
  overflow: hidden;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,229,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,229,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 0%, black, transparent);
  pointer-events: none;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px; left: 50%;
  transform: translateX(-50%);
  width: 900px; height: 500px;
  background: radial-gradient(ellipse, rgba(0,229,255,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0,229,255,0.08);
  border: 1px solid rgba(0,229,255,0.2);
  border-radius: 999px;
  padding: 6px 16px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--cyan);
  margin-bottom: 28px;
}

.badge-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.5; transform: scale(1.3); }
}

.hero-headline { margin-bottom: 20px; }

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--text-2);
  max-width: 640px;
  margin: 0 auto 36px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background: var(--bg-card);
  max-width: 820px;
  margin: 0 auto;
  overflow: hidden;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 20px 32px;
  flex: 1;
  min-width: 180px;
}

.stat-value {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-1);
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
  flex-shrink: 0;
}

.hero-scroll-hint {
  display: flex;
  justify-content: center;
  margin-top: 48px;
}

.scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(var(--cyan), transparent);
  animation: scrollFade 2s ease-in-out infinite;
}

@keyframes scrollFade {
  0%,100% { opacity: 0; transform: translateY(-8px); }
  50%     { opacity: 1; transform: translateY(8px); }
}

/* ===== PROBLEM BAND ===== */
.problem-band {
  padding: 32px 0;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.problem-eyebrow {
  text-align: center;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 20px;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.problem-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 16px 24px;
  border-right: 1px solid var(--border);
}
.problem-item:last-child { border-right: none; }

.problem-icon {
  font-size: 1rem;
  color: #FF5252;
  flex-shrink: 0;
  margin-top: 2px;
}

.problem-item p {
  font-size: 0.82rem;
  color: var(--text-2);
  line-height: 1.5;
}

/* ===== VALUE GRID ===== */
.value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.value-card {
  background: var(--bg-card);
  padding: 32px;
  transition: background 0.2s;
}
.value-card:hover { background: var(--bg-3); }

.value-icon {
  width: 44px; height: 44px;
  border-radius: var(--r-sm);
  background: var(--cyan-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.value-card h3 { color: var(--text-1); margin-bottom: 10px; }
.value-card p { font-size: 0.9rem; line-height: 1.65; }

/* ===== HOW IT WORKS ===== */
.how-it-works { background: var(--bg-2); }

.steps-container {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 800px;
  margin: 0 auto;
}

.step {
  display: flex;
  gap: 28px;
  padding: 28px 0;
}

.step-number {
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--cyan);
  background: var(--cyan-dim);
  border: 1px solid rgba(0,229,255,0.2);
  border-radius: var(--r-sm);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.step-content h3 { color: var(--text-1); margin-bottom: 8px; }
.step-content p { font-size: 0.92rem; margin-bottom: 12px; }

.step-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  font-size: 0.72rem;
  font-family: var(--mono);
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(108,99,255,0.12);
  border: 1px solid rgba(108,99,255,0.25);
  color: #A09CFF;
}

.step-connector {
  width: 1px;
  height: 24px;
  background: linear-gradient(var(--border), var(--border));
  margin-left: 22px;
}

/* ===== WHO IT'S FOR ===== */
.audience-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.audience-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 32px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.audience-card:hover {
  border-color: var(--border-hi);
  box-shadow: var(--glow);
}

.audience-card.featured {
  border-color: rgba(0,229,255,0.2);
  background: linear-gradient(135deg, rgba(0,229,255,0.04) 0%, var(--bg-card) 100%);
}

.audience-icon { margin-bottom: 16px; }

.audience-card h3 {
  font-size: 1.1rem;
  color: var(--text-1);
  margin-bottom: 10px;
}

.audience-card > p { font-size: 0.9rem; margin-bottom: 20px; }

.audience-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.audience-features li {
  font-size: 0.83rem;
  color: var(--text-2);
  padding-left: 16px;
  position: relative;
}
.audience-features li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--cyan);
  font-size: 0.75rem;
}

/* ===== EVIDENCE ===== */
.evidence { background: var(--bg-2); }

.evidence-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.evidence-text h2 { margin-bottom: 16px; }
.evidence-text > p { font-size: 0.95rem; margin-bottom: 16px; }

.evidence-points {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 24px;
}

.evidence-point {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-2);
}

.point-icon {
  color: var(--green);
  font-size: 0.9rem;
  flex-shrink: 0;
  margin-top: 1px;
}

/* Code window */
.code-window {
  background: #080C14;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow), 0 0 60px rgba(0,229,255,0.06);
}

.code-titlebar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 16px;
  background: #0D1220;
  border-bottom: 1px solid var(--border);
}

.code-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
}
.code-dot.red    { background: #FF5F57; }
.code-dot.yellow { background: #FFBD2E; }
.code-dot.green  { background: #28CA42; }

.code-title {
  font-size: 0.75rem;
  font-family: var(--mono);
  color: var(--text-3);
  margin-left: 8px;
}

.code-block {
  padding: 20px 24px;
  font-family: var(--mono);
  font-size: 0.8rem;
  line-height: 1.8;
  overflow-x: auto;
  white-space: pre;
}

.code-key  { color: #79AAFF; }
.code-str  { color: #A8E6A3; }
.code-num  { color: #FFD082; }

/* ===== COMPARE TABLE ===== */
.compare-table {
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.compare-header,
.compare-row {
  display: grid;
  grid-template-columns: 2fr 3fr 3fr;
}

.compare-header {
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
}

.compare-row {
  border-bottom: 1px solid var(--border);
  transition: background 0.15s;
}
.compare-row:last-child { border-bottom: none; }
.compare-row:hover { background: rgba(255,255,255,0.02); }

.compare-cell {
  padding: 16px 24px;
  font-size: 0.875rem;
  border-right: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
}
.compare-cell:last-child { border-right: none; }

.compare-cerebro { font-weight: 500; text-align: center; justify-content: center; color: var(--cyan); font-size: 0.8rem; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; }
.compare-traditional { font-size: 0.8rem; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; color: var(--text-3); justify-content: center; }
.compare-feature { color: var(--text-2); font-size: 0.83rem; }

.check { color: var(--green); font-size: 1rem; flex-shrink: 0; }
.cross { color: #FF5252; font-size: 1rem; flex-shrink: 0; }

.compare-cerebro.compare-cell { color: var(--text-1); font-size: 0.875rem; font-weight: 400; letter-spacing: 0; text-transform: none; }
.compare-traditional.compare-cell { color: var(--text-2); font-size: 0.875rem; font-weight: 400; letter-spacing: 0; text-transform: none; }

/* ===== FLOW ===== */
.flow { background: var(--bg-2); }

.flow-steps {
  display: flex;
  align-items: stretch;
  flex-wrap: wrap;
  gap: 0;
  justify-content: center;
}

.flow-step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 20px 18px;
  max-width: 170px;
  flex: 1;
  min-width: 130px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-start;
}

.flow-step p {
  font-size: 0.78rem;
  line-height: 1.5;
  color: var(--text-2);
}

.flow-step code {
  font-family: var(--mono);
  font-size: 0.8em;
  background: var(--cyan-dim);
  color: var(--cyan);
  padding: 1px 5px;
  border-radius: 3px;
}

.flow-num {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--cyan-dim);
  border: 1px solid rgba(0,229,255,0.3);
  font-size: 0.72rem;
  font-weight: 700;
  font-family: var(--mono);
  color: var(--cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.flow-arrow {
  color: var(--text-3);
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  padding: 0 4px;
  flex-shrink: 0;
}

/* ===== CTA / CONTACT ===== */
.cta-section {
  position: relative;
  overflow: hidden;
}

.cta-inner {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-hi);
  border-radius: 24px;
  padding: 72px 64px;
  text-align: center;
  overflow: hidden;
}

.cta-glow {
  position: absolute;
  top: -100px; left: 50%;
  transform: translateX(-50%);
  width: 600px; height: 300px;
  background: radial-gradient(ellipse, rgba(0,229,255,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.cta-inner h2 { margin-bottom: 16px; }
.cta-inner > p { max-width: 560px; margin: 0 auto 48px; font-size: 1rem; }

.contact-form {
  max-width: 680px;
  margin: 0 auto;
  text-align: left;
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

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

.form-group label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-2);
}

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 10px 14px;
  font-family: var(--font);
  font-size: 0.9rem;
  color: var(--text-1);
  outline: none;
  transition: border-color 0.2s;
  width: 100%;
  appearance: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-3); }

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: rgba(0,229,255,0.4); }

.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235A6A80' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

.form-group option { background: #0D1220; }

.form-group textarea { resize: vertical; min-height: 100px; }

.form-submit { width: 100%; justify-content: center; }

/* ===== FOOTER ===== */
.footer {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  padding: 56px 0 0;
}

.footer-inner {
  display: flex;
  gap: 48px;
  justify-content: space-between;
  flex-wrap: wrap;
  padding-bottom: 40px;
}

.footer-brand { max-width: 220px; }
.footer-tagline {
  margin-top: 10px;
  font-size: 0.8rem;
  color: var(--text-3);
}

.footer-links {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}

.footer-col h4 {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 14px;
}

.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 8px; }
.footer-col a {
  font-size: 0.85rem;
  color: var(--text-2);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--text-1); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.footer-bottom p { font-size: 0.78rem; color: var(--text-3); }
.footer-legal { font-size: 0.72rem !important; }

/* ===== PROVENANCE VISUALIZATION ===== */
.provenance {
  background: #12151a;
  border-left: 3px solid var(--amber);
}

.prov-eyebrow {
  font-variant: small-caps;
  color: #5a7a9a;
  letter-spacing: 0.14em;
}

/* Graph scroll wrapper — horizontal scroll on mobile */
.prov-graph-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 0 -4px;
  padding: 0 4px;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background: #0a0c12;
}

.prov-svg {
  display: block;
  min-width: 1000px;
  width: 100%;
  height: auto;
}

/* SVG animations */
#hop2-glow {
  transform-box: fill-box;
  transform-origin: center;
  animation: amber-pulse 2s ease-in-out infinite;
}

#epb-glow {
  transform-box: fill-box;
  transform-origin: center;
  animation: red-pulse 2.8s ease-in-out infinite;
}

@keyframes amber-pulse {
  0%, 100% { opacity: 0.15; transform: scale(1);    }
  50%       { opacity: 0.55; transform: scale(1.07); }
}

@keyframes red-pulse {
  0%, 100% { opacity: 0.15; transform: scale(1);    }
  50%       { opacity: 0.5;  transform: scale(1.04); }
}

/* Tooltip */
.prov-tooltip {
  display: none;
  position: fixed;
  z-index: 9999;
  pointer-events: none;
  width: 300px;
}

.prov-tooltip .code-block {
  font-size: 0.75rem;
  line-height: 1.7;
  padding: 14px 16px;
}

/* Legend */
.prov-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin-top: 20px;
  padding: 16px 20px;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  color: var(--text-2);
}

.legend-dot {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}

.legend-line {
  display: inline-block;
  width: 28px;
  height: 2px;
  flex-shrink: 0;
  background: var(--node-grey);
}

.legend-line-dashed {
  background: none;
  border-top: 2px dashed var(--amber);
}

/* Confidence Decay Bar */
.prov-decay {
  margin-top: 24px;
}

.prov-decay-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 12px;
}

.prov-decay-track {
  display: flex;
  align-items: center;
  gap: 0;
  flex-wrap: wrap;
  row-gap: 12px;
}

.decay-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  min-width: 72px;
}

.decay-pct {
  font-family: var(--mono);
  font-size: 0.85rem;
  font-weight: 700;
  line-height: 1;
}

.decay-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.decay-name {
  font-size: 0.68rem;
  color: var(--text-3);
  white-space: nowrap;
}

.decay-connector {
  flex: 1;
  height: 2px;
  min-width: 24px;
  margin-bottom: 20px; /* align with dot row */
}

/* 2-column callout */
.prov-callout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 32px;
}

.prov-callout-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 28px 32px;
  transition: border-color 0.2s;
}

.prov-callout-card:hover { border-color: rgba(245,158,11,0.3); }

.prov-callout-card h3 {
  font-size: 1rem;
  color: var(--text-1);
  margin-bottom: 10px;
}

.prov-callout-card p { font-size: 0.9rem; }

/* CTA link */
.prov-cta-wrap {
  text-align: center;
  margin-top: 32px;
}

.prov-cta {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--amber);
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: color 0.2s, letter-spacing 0.2s;
}

.prov-cta:hover {
  color: #ffc94d;
  letter-spacing: 0.04em;
}

/* Responsive */
@media (max-width: 700px) {
  .prov-callout { grid-template-columns: 1fr; }
  .decay-connector { min-width: 12px; }
}

/* ===== FORM SPAM PROTECTION ===== */
.hidden { display: none; }

/* ===== SCROLL REVEAL ===== */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .value-grid { grid-template-columns: 1fr 1fr; }
  .audience-grid { grid-template-columns: 1fr; }
  .evidence-inner { grid-template-columns: 1fr; gap: 40px; }
  .problem-grid { grid-template-columns: 1fr 1fr; }
  .problem-item { border-bottom: 1px solid var(--border); border-right: 1px solid var(--border); }
  .problem-item:nth-child(2n) { border-right: none; }
  .compare-header, .compare-row { grid-template-columns: 1fr 1.5fr 1.5fr; }
  .flow-steps { gap: 8px; }
  .flow-arrow { display: none; }
  .flow-step { max-width: calc(50% - 8px); }
}

@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .nav-hamburger { display: flex; }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px; left: 0; right: 0;
    background: var(--bg-2);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px 24px;
    gap: 16px;
  }
  .nav-links.open ~ .nav-cta { display: flex; }

  .hero { padding: 147px 0 60px; }
  .hero-stats { flex-direction: column; gap: 0; }
  .stat-divider { width: 80%; height: 1px; margin: 0 auto; }

  .section { padding: 64px 0; }
  .value-grid { grid-template-columns: 1fr; }
  .problem-grid { grid-template-columns: 1fr; }
  .problem-item { border-right: none; }

  .cta-inner { padding: 40px 24px; }
  .form-row { grid-template-columns: 1fr; }

  .compare-header { display: none; }
  .compare-row { grid-template-columns: 1fr; border-radius: var(--r-sm); margin-bottom: 2px; }
  .compare-cell { border-right: none; border-bottom: 1px solid var(--border); }
  .compare-cell:last-child { border-bottom: none; }
  .compare-cell.compare-feature { font-weight: 600; color: var(--text-1); background: var(--bg-2); }

  .flow-step { max-width: 100%; min-width: 100%; }
  .flow-steps { flex-direction: column; align-items: stretch; }
  .flow-arrow { display: none; }

  .footer-inner { flex-direction: column; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.6rem; }
  .hero-stats .stat { min-width: 100%; text-align: center; }
}