/* style.css — Eva design tokens + component styles */

/* === TYPE SCALE === */
:root {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);
  --text-hero: clamp(2.75rem, 0.5rem + 6.5vw, 6rem);
}

/* === SPACING === */
:root {
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;
}

/* === FONTS === */
:root {
  --font-display: 'Cabinet Grotesk', 'Inter', sans-serif;
  --font-body: 'Satoshi', 'Inter', sans-serif;
}

/* === EVA PALETTE — dark-forward premium, emerald growth accent === */
:root,
[data-theme='dark'] {
  --color-bg: #0a0d0c;
  --color-surface: #101413;
  --color-surface-2: #141a18;
  --color-surface-offset: #181f1d;
  --color-surface-dynamic: #1f2725;
  --color-divider: #1d2422;
  --color-border: #262e2b;

  --color-text: #eef2f0;
  --color-text-muted: #9aa6a2;
  --color-text-faint: #5c6864;
  --color-text-inverse: #0a0d0c;

  --color-accent: #2dd4a7;
  --color-accent-hover: #1fbf95;
  --color-accent-active: #16a582;
  --color-accent-soft: rgba(45, 212, 167, 0.12);
  --color-accent-glow: rgba(45, 212, 167, 0.35);

  --color-amber: #f5b942;
  --color-violet: #a78bfa;

  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px rgba(45, 212, 167, 0.18);

  --content-narrow: 640px;
  --content-default: 1080px;
  --content-wide: 1240px;
}

[data-theme='light'] {
  --color-bg: #f6f8f7;
  --color-surface: #ffffff;
  --color-surface-2: #f9fbfa;
  --color-surface-offset: #eef2f0;
  --color-surface-dynamic: #e3e8e6;
  --color-divider: #dde3e1;
  --color-border: #cfd6d3;

  --color-text: #0e1413;
  --color-text-muted: #54625f;
  --color-text-faint: #8b9692;
  --color-text-inverse: #ffffff;

  --color-accent: #0d9b78;
  --color-accent-hover: #0a8065;
  --color-accent-active: #086b53;
  --color-accent-soft: rgba(13, 155, 120, 0.1);
  --color-accent-glow: rgba(13, 155, 120, 0.25);

  --shadow-sm: 0 1px 2px rgba(15, 30, 27, 0.06);
  --shadow-md: 0 8px 24px rgba(15, 30, 27, 0.08);
  --shadow-lg: 0 24px 60px rgba(15, 30, 27, 0.12);
  --shadow-glow: 0 0 40px rgba(13, 155, 120, 0.12);
}

/* === LAYOUT === */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-5), 4vw, var(--space-12));
}

.section {
  padding-block: clamp(var(--space-16), 7vw, var(--space-32));
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

.eyebrow::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--color-accent);
  opacity: 0.6;
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
  max-width: 18ch;
}

.section-sub {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 52ch;
  margin-top: var(--space-4);
}

/* === HEADER === */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--color-bg) 80%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition-interactive);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  height: 68px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
  letter-spacing: -0.02em;
  color: var(--color-text);
  text-decoration: none;
}

.logo__mark {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.nav {
  display: none;
  align-items: center;
  gap: var(--space-8);
}

.nav a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
}

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

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}

.theme-toggle:hover {
  color: var(--color-text);
  border-color: var(--color-accent);
}

@media (min-width: 880px) {
  .nav {
    display: flex;
  }
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: -0.005em;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  text-decoration: none;
  white-space: nowrap;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-glow);
}

.btn--primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
}

.btn--ghost {
  color: var(--color-text);
  border-color: var(--color-border);
  background: color-mix(in oklab, var(--color-surface) 60%, transparent);
}

.btn--ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn--lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

.btn .arrow {
  transition: transform var(--transition-interactive);
}

.btn:hover .arrow {
  transform: translateX(3px);
}

/* === HERO === */
.hero {
  position: relative;
  overflow: hidden;
  padding-top: clamp(var(--space-16), 8vw, var(--space-24));
  padding-bottom: clamp(var(--space-20), 10vw, var(--space-32));
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.hero__glow {
  position: absolute;
  width: 60vw;
  height: 60vw;
  max-width: 800px;
  max-height: 800px;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  background: radial-gradient(circle, var(--color-accent-glow) 0%, transparent 65%);
  opacity: 0.5;
  filter: blur(40px);
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--color-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-border) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 0%, #000 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 0%, #000 0%, transparent 70%);
  opacity: 0.4;
}

.hero__inner {
  position: relative;
  z-index: 1;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  background: var(--color-accent-soft);
  border: 1px solid color-mix(in oklab, var(--color-accent) 30%, transparent);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--color-accent);
  margin-bottom: var(--space-6);
}

.hero__badge .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 8px var(--color-accent);
}

.hero__title {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.02;
  max-width: 16ch;
  margin-bottom: var(--space-6);
}

.hero__title .accent {
  color: var(--color-accent);
}

.hero__sub {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 56ch;
  margin-bottom: var(--space-10);
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: center;
}

/* === HERO VISUAL === */
.hero-visual {
  position: relative;
  z-index: 1;
  margin-top: clamp(var(--space-12), 6vw, var(--space-20));
  max-width: 980px;
  margin-inline: auto;
}

.hero-visual__frame {
  position: relative;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  aspect-ratio: 16 / 9;
}

.hero-visual__frame svg {
  width: 100%;
  height: 100%;
  display: block;
}

/* === PROBLEM === */
.problem {
  background: var(--color-surface);
  border-block: 1px solid var(--color-border);
}

.split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-top: clamp(var(--space-10), 5vw, var(--space-16));
}

.split__col {
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
  padding: clamp(var(--space-6), 4vw, var(--space-10));
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.split__col--bad {
  border-color: color-mix(in oklab, var(--color-text-faint) 40%, transparent);
}

.split__col--good {
  border-color: color-mix(in oklab, var(--color-accent) 35%, transparent);
  background: linear-gradient(180deg, var(--color-accent-soft), var(--color-surface-2));
}

.split__tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  width: fit-content;
}

.split__col--bad .split__tag {
  color: var(--color-text-faint);
}

.split__col--good .split__tag {
  color: var(--color-accent);
}

.split__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.split__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

.split__list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: none;
}

.split__list .ico {
  flex-shrink: 0;
  margin-top: 2px;
}

@media (min-width: 760px) {
  .split {
    grid-template-columns: 1fr 1fr;
  }
}

/* === DIFFERENCE (3 cards) === */
.diff-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin-top: clamp(var(--space-10), 5vw, var(--space-16));
}

.diff-card {
  position: relative;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  padding: clamp(var(--space-8), 4vw, var(--space-12));
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  overflow: hidden;
}

.diff-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  background: radial-gradient(circle at 50% 0%, var(--color-accent-soft), transparent 60%);
  opacity: 0;
  transition: opacity 300ms ease;
  pointer-events: none;
}

.diff-card:hover::after {
  opacity: 1;
}

.diff-card:hover {
  border-color: color-mix(in oklab, var(--color-accent) 30%, var(--color-border));
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.diff-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--color-accent-soft);
  border: 1px solid color-mix(in oklab, var(--color-accent) 25%, transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
}

.diff-card__num {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-accent);
}

.diff-card__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.diff-card__body {
  font-size: var(--text-base);
  color: var(--color-text-muted);
}

@media (min-width: 760px) {
  .diff-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* === HOW IT WORKS === */
.how {
  background: var(--color-surface);
  border-block: 1px solid var(--color-border);
}

.steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-top: clamp(var(--space-10), 5vw, var(--space-16));
}

.step {
  position: relative;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
  padding: clamp(var(--space-6), 4vw, var(--space-8));
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--color-accent);
  color: var(--color-text-inverse);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
  margin-bottom: var(--space-2);
}

.step__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.step__body {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.step__icon {
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

@media (min-width: 640px) and (max-width: 959px) {
  .steps {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .steps {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-3);
  }
  .step::before {
    content: '';
    position: absolute;
    top: 50%;
    right: calc(var(--space-3) * -1);
    width: var(--space-3);
    height: 1px;
    background: var(--color-border);
    transform: translateY(-50%);
  }
  .step:last-child::before {
    display: none;
  }
}

/* === DEMO === */
.demo-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin-top: clamp(var(--space-10), 5vw, var(--space-16));
}

.demo-video {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  aspect-ratio: 16 / 9;
  box-shadow: var(--shadow-lg);
}

.demo-video__placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at 30% 20%, var(--color-accent-glow), transparent 50%),
    linear-gradient(135deg, var(--color-surface-offset), var(--color-surface-2));
}

.play-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 84px;
  height: 84px;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-text-inverse);
  box-shadow: 0 0 0 0 var(--color-accent-glow);
  animation: pulse 2.4s ease-out infinite;
}

.play-btn svg {
  margin-left: 4px;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 var(--color-accent-glow); }
  70% { box-shadow: 0 0 0 24px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}

.demo-video__label {
  position: absolute;
  bottom: var(--space-5);
  left: var(--space-5);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.demo-screenshot {
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  aspect-ratio: 16 / 10;
}

.demo-screenshot svg {
  width: 100%;
  height: 100%;
  display: block;
}

@media (min-width: 900px) {
  .demo-grid {
    grid-template-columns: 1.2fr 1fr;
    align-items: stretch;
  }
  .demo-screenshot {
    aspect-ratio: auto;
  }
}

/* === EVA DEMO — how it works (deterministic Renderer v0) === */
.eva-demo {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: clamp(var(--space-4), 3vw, var(--space-6));
  font-family: var(--font-body);
  background:
    radial-gradient(circle at 30% 18%, var(--color-accent-glow), transparent 55%),
    linear-gradient(135deg, var(--color-surface-offset), var(--color-surface-2));
  color: var(--color-text);
}
.eva-demo__bar {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.eva-demo__brand { display: inline-flex; align-items: center; gap: var(--space-2); font-weight: 700; color: var(--color-text); }
.eva-demo__counter { margin-left: auto; font-variant-numeric: tabular-nums; }
.eva-demo__pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--color-accent); box-shadow: 0 0 10px var(--color-accent-glow); animation: eva-blink 1.6s ease-in-out infinite; }
@keyframes eva-blink { 0%,100%{opacity:1} 50%{opacity:.35} }
.eva-demo__replay { display: none; align-items: center; color: var(--color-text-muted); padding: var(--space-1); border-radius: var(--radius-sm); }
.eva-demo__replay:hover { color: var(--color-accent); }
.eva-demo[data-state="running"] .eva-demo__replay,
.eva-demo[data-state="done"] .eva-demo__replay { display: inline-flex; }

.eva-demo__stage { position: relative; flex: 1; display: flex; align-items: center; justify-content: center; min-height: 0; }
.eva-scene {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: var(--space-3);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.5s ease;
}
.eva-demo[data-scene="1"] .eva-scene--ingest,
.eva-demo[data-scene="2"] .eva-scene--score,
.eva-demo[data-scene="3"] .eva-scene--gates,
.eva-demo[data-scene="4"] .eva-scene--shortlist,
.eva-demo[data-scene="5"] .eva-scene--outreach,
.eva-demo[data-scene="6"] .eva-scene--close { opacity: 1; visibility: visible; }

.deal-mini {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-size: var(--text-xs); font-weight: 600;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: var(--color-surface-offset);
  color: var(--color-text-muted);
  white-space: nowrap;
}
.deal-mini.teal { color: var(--color-accent); border-color: var(--color-accent); background: var(--color-accent-soft); }
.deal-mini.slate { color: var(--color-text-faint); }

/* scene 1 — ingest */
.ingest-stream { display: flex; flex-wrap: wrap; gap: var(--space-2); justify-content: center; max-width: 440px; }
.deal-chip {
  font-size: var(--text-xs); font-weight: 600;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-full);
  background: var(--color-surface-offset);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  transform: translateX(60px); opacity: 0;
  white-space: nowrap;
}
.eva-demo[data-scene="1"] .deal-chip { animation: eva-slidein 0.5s cubic-bezier(0.16,1,0.3,1) forwards; animation-delay: calc(var(--i) * 0.16s); }
@keyframes eva-slidein { to { transform: translateX(0); opacity: 1; } }

/* scene 2 — v7 score */
.score-row { display: flex; align-items: flex-end; gap: clamp(var(--space-2), 2vw, var(--space-4)); height: 58%; max-width: 460px; width: 100%; }
.score-card { display: flex; flex-direction: column; align-items: center; gap: var(--space-2); flex: 1; height: 100%; justify-content: flex-end; }
.score-card__bar { width: 100%; max-width: 44px; height: 0; border-radius: var(--radius-sm) var(--radius-sm) 0 0; background: linear-gradient(var(--color-text-faint), var(--color-text-muted)); opacity: 0.5; }
.eva-demo[data-scene="2"] .score-card__bar { animation: eva-bar 0.7s cubic-bezier(0.16,1,0.3,1) forwards; animation-delay: calc(var(--i) * 0.16s); }
@keyframes eva-bar { to { height: var(--h); opacity: 1; } }
.score-card__num { font-family: var(--font-display); font-weight: 800; font-size: var(--text-sm); color: var(--color-text-muted); opacity: 0; }
.eva-demo[data-scene="2"] .score-card__num { animation: eva-fade 0.4s ease forwards; animation-delay: calc(var(--i) * 0.16s + 0.5s); }
@keyframes eva-fade { to { opacity: 1; } }

/* scene 3 — cost-gate cascade */
.gate-track { display: flex; gap: var(--space-2); flex-wrap: wrap; justify-content: center; max-width: 440px; }
.gate-chip { font-size: var(--text-xs); font-weight: 600; padding: var(--space-2) var(--space-3); border-radius: var(--radius-full); border: 1px solid var(--color-border); color: var(--color-text-faint); background: var(--color-surface); white-space: nowrap; }
.eva-demo[data-scene="3"] .gate-chip { animation: eva-gate 0.4s ease forwards; animation-delay: calc(var(--i) * 0.22s); }
@keyframes eva-gate { to { color: var(--color-accent); border-color: var(--color-accent); background: var(--color-accent-soft); } }
.gate-drop { margin-top: var(--space-4); }
.eva-demo[data-scene="3"] .gate-drop .deal-mini { animation: eva-drop 0.5s ease forwards; animation-delay: 1.15s; }
@keyframes eva-drop { 0% { opacity: 1; transform: translateY(0); } 100% { opacity: 0; transform: translateY(8px); } }

/* scene 4 — shortlist */
.eva-scene--shortlist { flex-direction: column; }
.threshold { position: absolute; left: 6%; right: 6%; top: 36%; height: 1px; background: var(--color-border); }
.threshold::after { content: '≥ 7.5'; position: absolute; right: 0; top: -16px; font-size: var(--text-xs); color: var(--color-text-faint); }
.shortlist-rail { display: flex; gap: var(--space-2); flex-wrap: wrap; justify-content: center; margin-top: auto; }
.eva-demo[data-scene="4"] .shortlist-rail .deal-mini { opacity: 0; transform: translateY(10px); animation: eva-flash 0.5s ease forwards; animation-delay: calc(var(--i) * 0.22s); }
@keyframes eva-flash { 0% { opacity: 0; transform: translateY(10px); box-shadow: 0 0 0 var(--color-accent-glow); } 60% { box-shadow: 0 0 22px var(--color-accent-glow); } 100% { opacity: 1; transform: translateY(0); } }

/* scene 5 — outreach */
.eva-scene--outreach { gap: var(--space-4); }
.lane { display: flex; flex-direction: column; align-items: center; gap: var(--space-2); padding: var(--space-3); border: 1px dashed var(--color-border); border-radius: var(--radius-md); min-width: 120px; }
.lane__title { font-size: var(--text-xs); letter-spacing: 0.06em; text-transform: uppercase; color: var(--color-text-muted); font-weight: 700; }
.eva-demo[data-scene="5"] .lane .deal-mini { opacity: 0; animation: eva-fade 0.4s ease forwards; animation-delay: calc(var(--i) * 0.18s); }
.sync-glyph { position: absolute; bottom: var(--space-2); right: var(--space-3); width: 12px; height: 12px; border-radius: 50%; border: 2px solid var(--color-accent); }
.eva-demo[data-scene="5"] .sync-glyph { animation: eva-sync 1.4s ease-in-out infinite; }
@keyframes eva-sync { 0%,100% { box-shadow: 0 0 0 0 var(--color-accent-glow); } 50% { box-shadow: 0 0 0 8px transparent; } }

/* scene 6 — close */
.eva-scene--close { flex-direction: column; gap: var(--space-3); text-align: center; }
.eva-close__mark { font-family: var(--font-display); font-weight: 800; font-size: var(--text-xl); color: var(--color-accent); }
.eva-close__line { font-size: var(--text-sm); color: var(--color-text-muted); max-width: 36ch; }

.eva-scene__tag { position: absolute; bottom: var(--space-2); left: 50%; transform: translateX(-50%); font-size: var(--text-xs); letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-accent); font-weight: 700; }

/* caption + progress */
.eva-demo__caption { text-align: center; font-size: var(--text-sm); color: var(--color-text-muted); min-height: 2.6em; max-width: 46ch; margin: 0 auto; }
.eva-demo__progress { display: flex; gap: var(--space-2); justify-content: center; align-items: flex-start; }
.eva-node { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.eva-node::before { content: ''; width: 8px; height: 8px; border-radius: 50%; background: var(--color-border); transition: background var(--transition-interactive); }
.eva-node span { font-size: 9px; letter-spacing: 0.04em; text-transform: uppercase; color: var(--color-text-faint); }
.eva-demo[data-scene="1"] .eva-node[data-go="1"]::before,
.eva-demo[data-scene="2"] .eva-node[data-go="2"]::before,
.eva-demo[data-scene="3"] .eva-node[data-go="3"]::before,
.eva-demo[data-scene="4"] .eva-node[data-go="4"]::before,
.eva-demo[data-scene="5"] .eva-node[data-go="5"]::before { background: var(--color-accent); box-shadow: 0 0 10px var(--color-accent-glow); }

/* play overlay */
.eva-demo__play {
  position: absolute;
  inset: 0;
  z-index: 4;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  background: radial-gradient(circle at 50% 50%, transparent 38%, color-mix(in srgb, var(--color-bg) 68%, transparent));
}
.eva-demo__play .play-core {
  width: 74px; height: 74px; border-radius: 50%;
  background: var(--color-accent); color: var(--color-text-inverse);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 0 0 0 var(--color-accent-glow);
  animation: pulse 2.4s ease-out infinite;
}
.eva-demo__play .play-core svg { margin-left: 3px; }
.eva-demo__play-label { font-size: var(--text-xs); letter-spacing: 0.1em; text-transform: uppercase; font-weight: 700; color: var(--color-text); }
.eva-demo[data-state="running"] .eva-demo__play,
.eva-demo[data-state="done"] .eva-demo__play { display: none; }

@media (max-width: 899px) {
  .demo-video { aspect-ratio: 1 / 1; }
  .eva-demo { padding: var(--space-3); gap: var(--space-2); }
  .eva-demo__caption { min-height: 2.2em; font-size: var(--text-xs); }
  .eva-demo__progress { gap: var(--space-1); }
  .eva-node span { font-size: 8px; }
  .eva-demo__counter { font-size: 9px; }
  .score-row { height: 62%; }
  .eva-demo__play .play-core { width: 60px; height: 60px; }
}

/* === TRACTION === */
.traction {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
}

.stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin-top: clamp(var(--space-10), 5vw, var(--space-16));
}

.stat {
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
  padding: clamp(var(--space-6), 4vw, var(--space-10));
  text-align: left;
}

.stat__num {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--color-accent);
  line-height: 1;
}

.stat__label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-3);
}

.stat__note {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-2);
}

@media (min-width: 760px) {
  .stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* === CTA FOOTER === */
.cta-footer {
  position: relative;
  overflow: hidden;
  text-align: center;
  padding-block: clamp(var(--space-20), 8vw, var(--space-32));
}

.cta-footer__glow {
  position: absolute;
  width: 50vw;
  height: 50vw;
  max-width: 700px;
  max-height: 700px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, var(--color-accent-glow) 0%, transparent 60%);
  opacity: 0.4;
  filter: blur(50px);
  pointer-events: none;
}

.cta-footer__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
}

.cta-footer__title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  max-width: 20ch;
}

.cta-footer__sub {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 48ch;
}

.cta-footer__email {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-4);
}

.cta-footer__email a {
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 600;
}

.cta-footer__email a:hover {
  text-decoration: underline;
}

/* === WAITLIST FORM === */
.waitlist-form {
  width: 100%;
  max-width: 560px;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  text-align: left;
}

.waitlist-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

@media (max-width: 540px) {
  .waitlist-form__row {
    grid-template-columns: 1fr;
  }
}

.waitlist-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.waitlist-field label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: 0.01em;
}

.waitlist-field__opt {
  color: var(--color-text-faint);
  font-weight: 400;
}

.waitlist-field input,
.waitlist-field select,
.waitlist-field textarea {
  width: 100%;
  padding: 0.7rem 0.9rem;
  font-family: inherit;
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  transition: border-color 180ms ease, box-shadow 180ms ease;
  -webkit-appearance: none;
  appearance: none;
}

.waitlist-field textarea {
  resize: vertical;
  min-height: 84px;
}

.waitlist-field input:focus,
.waitlist-field select:focus,
.waitlist-field textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.waitlist-field input::placeholder,
.waitlist-field textarea::placeholder {
  color: var(--color-text-faint);
}

.waitlist-field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%239aa6a2' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.8rem center;
  background-size: 18px;
  padding-right: 2.4rem;
}

.waitlist-form__submit {
  align-self: center;
  margin-top: var(--space-2);
  position: relative;
  min-width: 220px;
}

.waitlist-form__submit-loading {
  display: none;
}

.waitlist-form__submit.is-loading .waitlist-form__submit-label {
  display: none;
}
.waitlist-form__submit.is-loading .waitlist-form__submit-loading {
  display: inline;
}
.waitlist-form__submit.is-loading {
  pointer-events: none;
  opacity: 0.75;
}

.waitlist-form__status {
  text-align: center;
  font-size: var(--text-sm);
  font-weight: 600;
  min-height: 1.2em;
}

.waitlist-form__status.is-success {
  color: var(--color-accent);
}

.waitlist-form__status.is-error {
  color: #f87171;
}

/* === SITE FOOTER === */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-10);
}

.site-footer__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-items: center;
  text-align: center;
}

.site-footer__brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--color-text);
}

.site-footer__meta {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* === SCROLL REVEAL === */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 600ms cubic-bezier(0.16, 1, 0.3, 1), transform 600ms cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* === MOBILE NAV === */
.mobile-nav {
  display: flex;
  gap: var(--space-3);
}

@media (min-width: 880px) {
  .mobile-nav .btn--ghost {
    display: none;
  }
}