/* ============================================================
   BuildUp — /apply  ·  Private-equity memo, not marketing funnel
   ============================================================ */

:root {
  /* Color tokens */
  --navy-950: #0A1628;
  --navy-900: #10203A;
  --navy-800: #1A2F4F;
  --gold-500: #C9A45C;
  --gold-400: #D9BC7F;
  --ivory-50: #F7F5F0;
  --ivory-100: #EFEBE2;
  --ink-900: #14181F;
  --ink-600: #4A5568;
  --line-200: #DDD6C8;

  /* Type */
  --font-display: 'Zodiak', Georgia, serif;
  --font-body: 'Switzer', 'Helvetica Neue', -apple-system, sans-serif;

  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.8125rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.3vw, 1.125rem);
  --text-lg: clamp(1.25rem, 1.1rem + 0.6vw, 1.5rem);
  --text-xl: clamp(1.75rem, 1.3rem + 1.6vw, 2.5rem);
  --text-2xl: clamp(2.125rem, 1.4rem + 2.8vw, 3.5rem);
  --stat: clamp(2rem, 1.4rem + 2.2vw, 3rem);

  /* Spacing */
  --space-1: .25rem; --space-2: .5rem; --space-3: .75rem; --space-4: 1rem;
  --space-6: 1.5rem; --space-8: 2rem; --space-10: 2.5rem; --space-12: 3rem;
  --space-16: 4rem; --space-20: 5rem; --space-24: 6rem; --space-28: 7rem;

  --transition: 150ms ease;
  --container: 1140px;
}

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

html {
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-8);
}

body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--ink-900);
  background: var(--navy-950);
}

img, svg { display: block; max-width: 100%; height: auto; }
input, button, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: none; }
h1, h2, h3 { text-wrap: balance; line-height: 1.12; }
p, li { text-wrap: pretty; max-width: 68ch; }
ul[role='list'] { list-style: none; }
::selection { background: rgba(201,164,92,.3); }
:focus-visible { outline: 2px solid var(--gold-500); outline-offset: 3px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}

/* ---------- Layout primitives ---------- */
.container { max-width: var(--container); margin-inline: auto; padding-inline: var(--space-6); }
.container.narrow { max-width: 800px; }
.center { text-align: center; margin-inline: auto; }

section { padding-block: clamp(var(--space-16), 8vw, var(--space-28)); }

.light { background: var(--ivory-50); }
.light.alt { background: var(--ivory-100); }
.dark { background: var(--navy-950); color: rgba(247,245,240,.82); }

/* ---------- Typography ---------- */
h1 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-2xl);
  color: var(--ivory-50);
  max-width: none;
  margin-inline: auto;
}

h2 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-xl);
  color: var(--ink-900);
  max-width: 26ch;
}
h2.center { margin-inline: auto; }
h2.on-dark { color: var(--ivory-50); }

h3 { font-size: var(--text-lg); font-weight: 600; font-family: var(--font-body); }

.eyebrow {
  max-width: none;
  margin-inline: auto;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--gold-500);
  margin-bottom: var(--space-4);
}
.eyebrow.center { text-align: center; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  background: var(--gold-500);
  color: var(--navy-950);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-4) var(--space-10);
  border-radius: 2px;
  text-decoration: none;
  letter-spacing: .01em;
  transition: background var(--transition);
  white-space: nowrap;
}
.btn:hover { background: var(--gold-400); }
.btn-sm { padding: var(--space-2) var(--space-6); }
.btn-lg { padding: var(--space-4) var(--space-12); }

/* ---------- Announcement bar ---------- */
.announce {
  background: var(--navy-900);
  color: var(--gold-400);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: .04em;
  text-align: center;
  padding: var(--space-3) var(--space-6);
  border-bottom: 1px solid var(--navy-800);
}

/* ---------- Header ---------- */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container);
  margin-inline: auto;
  padding: var(--space-6);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--gold-500);
}
.logo-mark { width: 26px; height: 26px; }
.logo-word {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.35rem;
  color: var(--ivory-50);
  letter-spacing: .01em;
}

/* ---------- Hero ---------- */
.hero { padding-top: clamp(var(--space-8), 4vw, var(--space-12)); padding-bottom: 0; text-align: center; }
.hero .eyebrow { margin-bottom: var(--space-6); }

.hero-sub {
  color: rgba(247,245,240,.72);
  max-width: 54ch;
  margin: var(--space-5, 1.25rem) auto 0;
}

.hero-cta { margin: var(--space-8) auto var(--space-10); max-width: none; }

/* VSL placeholder */
.vsl {
  position: relative;
  max-width: 920px;
  margin-inline: auto;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--navy-800);
  border-radius: 2px;
  overflow: hidden;
  background: var(--navy-900);
}
.vsl-poster { width: 100%; height: 100%; object-fit: cover; }
.vsl-scrim {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,22,40,.25) 0%, rgba(10,22,40,.55) 100%);
}
.vsl-play {
  position: absolute;
  top: 50%; left: 50%;
  translate: -50% -50%;
  width: clamp(64px, 8vw, 84px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--gold-500);
  color: var(--navy-950);
  display: grid;
  place-items: center;
  transition: background var(--transition), scale var(--transition);
}
.vsl-play:hover { background: var(--gold-400); scale: 1.05; }
.vsl-play svg { width: 42%; margin-left: 6%; }
.vsl-tag {
  position: absolute;
  bottom: var(--space-3); right: var(--space-3);
  font-size: var(--text-xs);
  color: rgba(247,245,240,.65);
  background: rgba(10,22,40,.7);
  padding: var(--space-1) var(--space-3);
  border: 1px solid var(--navy-800);
  border-radius: 2px;
  letter-spacing: .03em;
}
.vsl-caption {
  font-size: var(--text-xs);
  color: rgba(247,245,240,.5);
  margin-top: var(--space-4);
  letter-spacing: .02em;
}

/* ---------- Application block ---------- */
.apply { padding-top: clamp(var(--space-16), 6vw, var(--space-24)); }
.apply h2 { margin-bottom: var(--space-4); }
.apply-frame {
  color: rgba(247,245,240,.72);
  max-width: 60ch;
  margin: 0 auto var(--space-10);
}

.tf-shell {
  max-width: 760px;
  margin-inline: auto;
  background: var(--navy-900);
  border: 1px solid var(--navy-800);
  border-radius: 2px;
  overflow: hidden;
}
.tf-chrome {
  display: flex;
  gap: 6px;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--navy-800);
}
.tf-chrome span { width: 9px; height: 9px; border-radius: 50%; background: var(--navy-800); }
.tf-body {
  padding: clamp(var(--space-10), 6vw, var(--space-20)) var(--space-6);
  text-align: center;
}
.tf-kicker {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--gold-500);
  margin-bottom: var(--space-4);
}
.tf-headline {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-lg);
  line-height: 1.3;
  color: var(--ivory-50);
  max-width: 34ch;
  margin: 0 auto var(--space-3);
}
.tf-sub {
  font-size: var(--text-sm);
  color: rgba(247,245,240,.55);
  margin: 0 auto var(--space-8);
}
.tf-note {
  font-size: var(--text-xs);
  color: rgba(247,245,240,.35);
  margin: var(--space-6) auto 0;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.tf-progress { height: 3px; background: var(--navy-800); }
.tf-progress span { display: block; height: 100%; background: var(--gold-500); }

.trust-line {
  font-size: var(--text-xs);
  color: rgba(247,245,240,.45);
  margin-top: var(--space-6);
  max-width: none;
}

/* ---------- Proof bar ---------- */
.proof {
  background: var(--navy-900);
  border-block: 1px solid var(--navy-800);
  padding-block: clamp(var(--space-10), 4vw, var(--space-16));
}
.proof-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
}
.stat { text-align: center; }
.stat-num {
  display: block;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--stat);
  color: var(--gold-500);
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
}
.stat-label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: rgba(247,245,240,.55);
  margin: var(--space-3) auto 0;
  max-width: 24ch;
}

/* ---------- Editorial split ---------- */
.split {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: start;
}
.split-right p + p { margin-top: var(--space-4); }

/* Framed editorial photo */
.photo-frame {
  border: 1px solid var(--line-200);
  background: var(--ivory-100);
  padding: var(--space-3);
}
.photo-frame img { width: 100%; filter: saturate(.88); }
.photo-frame figcaption {
  font-size: var(--text-xs);
  color: var(--ink-600);
  padding-top: var(--space-3);
  text-align: center;
  letter-spacing: .04em;
}

.firm .cards-3 { margin-top: clamp(var(--space-12), 5vw, var(--space-20)); }

/* ---------- Cards ---------- */
.cards-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
.cards-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  margin-top: clamp(var(--space-10), 4vw, var(--space-16));
}
.card {
  border: 1px solid var(--line-200);
  padding: var(--space-8);
  border-radius: 2px;
  background: transparent;
}
.card h3 { margin-bottom: var(--space-3); }
.card p { font-size: var(--text-sm); color: var(--ink-600); }

.num-card { background: var(--ivory-50); position: relative; }
.card-icon {
  position: absolute;
  top: var(--space-8);
  right: var(--space-8);
  width: 28px;
  height: 28px;
  color: var(--gold-500);
}
.card-num {
  display: block;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-xl);
  color: var(--gold-500);
  line-height: 1;
  margin-bottom: var(--space-4);
}

.section-intro { color: var(--ink-600); max-width: 58ch; margin-top: var(--space-4); }

.decisions-close {
  margin: clamp(var(--space-10), 4vw, var(--space-16)) auto 0;
  text-align: center;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  line-height: 1.4;
  max-width: 44ch;
}
.decisions-close em { color: var(--gold-500); font-style: italic; }

/* ---------- How it works ---------- */
.how h2 { margin-bottom: clamp(var(--space-10), 4vw, var(--space-16)); }
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}
.step { border-top: 1px solid var(--navy-800); padding-top: var(--space-6); }
.step-index {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--gold-500);
  display: block;
  margin-bottom: var(--space-3);
}
.step h3 { color: var(--ivory-50); margin-bottom: var(--space-2); }
.step p { font-size: var(--text-sm); color: rgba(247,245,240,.62); }

/* ---------- Guarantee ---------- */
.guarantee-box {
  border: 1px solid var(--gold-500);
  border-radius: 2px;
  padding: clamp(var(--space-10), 6vw, var(--space-20));
  max-width: 860px;
  margin-inline: auto;
  background: var(--ivory-50);
}
.guarantee-box h2 { margin-bottom: var(--space-6); }
.guarantee-box p + p { margin-top: var(--space-4); }
.signature {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-lg);
  color: var(--ink-900);
  margin-top: var(--space-8) !important;
}

/* ---------- Filter ---------- */
.filter h2 { margin-bottom: clamp(var(--space-10), 4vw, var(--space-16)); }
.filter-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-8), 4vw, var(--space-16));
  max-width: 980px;
  margin-inline: auto;
}
.filter-title {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .14em;
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--navy-800);
  margin-bottom: var(--space-6);
}
.filter-title.yes { color: var(--gold-500); }
.filter-title.no { color: rgba(247,245,240,.45); }

.filter-col li {
  position: relative;
  padding-left: var(--space-8);
  margin-bottom: var(--space-4);
  font-size: var(--text-sm);
  color: rgba(247,245,240,.78);
}
.filter-col li::before {
  content: '';
  position: absolute;
  left: 0; top: .62em;
  width: 14px; height: 2px;
  background: var(--gold-500);
}
.filter-col .neg li { color: rgba(247,245,240,.55); }
.filter-col .neg li::before { background: rgba(247,245,240,.3); }

/* ---------- Founders ---------- */
.founders .split { align-items: center; }
.founders-photo img {
  width: 100%;
  border-radius: 2px;
  filter: saturate(.85);
}
.founders-photo {
  position: relative;
  border: 1px solid var(--line-200);
  padding: var(--space-3);
  background: var(--ivory-100);
}
.founders-photo figcaption {
  font-size: var(--text-xs);
  color: var(--ink-600);
  padding-top: var(--space-3);
  text-align: center;
  letter-spacing: .04em;
}
.founders-copy h2 { margin-bottom: var(--space-6); }
.founders-copy p + p { margin-top: var(--space-4); }

/* ---------- FAQ ---------- */
.faq h2 { margin-bottom: clamp(var(--space-8), 4vw, var(--space-12)); }
.faq-list { border-top: 1px solid var(--line-200); }
.faq-list details { border-bottom: 1px solid var(--line-200); }
.faq-list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-6) var(--space-2);
  font-weight: 600;
  font-size: var(--text-base);
  cursor: pointer;
  list-style: none;
  transition: color var(--transition);
}
.faq-list summary:hover { color: var(--gold-500); }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-icon {
  flex: 0 0 auto;
  position: relative;
  width: 14px; height: 14px;
}
.faq-icon::before, .faq-icon::after {
  content: '';
  position: absolute;
  background: var(--gold-500);
  transition: transform var(--transition);
}
.faq-icon::before { left: 0; top: 6px; width: 14px; height: 2px; }
.faq-icon::after { left: 6px; top: 0; width: 2px; height: 14px; }
details[open] .faq-icon::after { transform: scaleY(0); }
.faq-list details p {
  padding: 0 var(--space-2) var(--space-6);
  color: var(--ink-600);
  font-size: var(--text-sm);
  max-width: 62ch;
}

/* ---------- Final CTA ---------- */
.final-cta { text-align: center; position: relative; overflow: hidden; }
.final-bg {
  position: absolute; inset: 0;
  background: url('assets/aerial-dusk.jpg') center / cover no-repeat;
  opacity: .35;
}
.final-cta::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, var(--navy-950) 0%, rgba(10,22,40,.55) 50%, var(--navy-950) 100%);
}
.final-cta .container { position: relative; z-index: 1; }
.final-sub {
  color: rgba(247,245,240,.75);
  max-width: 46ch;
  margin: var(--space-6) auto var(--space-10);
  margin-inline: auto;
}
.final-note {
  font-size: var(--text-xs);
  color: rgba(247,245,240,.5);
  margin: var(--space-6) auto 0;
  max-width: none;
  letter-spacing: .03em;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy-950);
  border-top: 1px solid var(--navy-800);
  padding-block: var(--space-10);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  flex-wrap: wrap;
}
.footer-legal {
  font-size: var(--text-xs);
  color: rgba(247,245,240,.4);
  max-width: none;
}

/* ---------- Sticky mobile CTA ---------- */
.sticky-cta {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 50;
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  background: var(--navy-900);
  border-top: 1px solid var(--gold-500);
  padding: var(--space-3) var(--space-6);
  transform: translateY(100%);
  transition: transform 250ms ease;
}
.sticky-cta.visible { transform: translateY(0); }
.sticky-cta span {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--ivory-50);
}

/* ---------- Reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 600ms ease, transform 600ms ease;
}
.reveal.in { opacity: 1; transform: none; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 900px) {
  .proof-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-8) var(--space-4); }
  .cards-3 { grid-template-columns: 1fr; }
  .cards-2 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; }
  .filter-grid { grid-template-columns: 1fr; }
  .founders .split { gap: var(--space-8); }
}

@media (max-width: 640px) {
  .sticky-cta { display: flex; }
  .site-header { padding: var(--space-4) var(--space-6); }
  .hero-steps { text-align: center; }
  h1 br { display: none; }
}

/* ============================================================
   v3 additions — new copy structure
   ============================================================ */

/* Watch lead-in (hero) */
.watch-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-lg);
  color: var(--ivory-50);
  margin: var(--space-4) auto var(--space-2);
  max-width: none;
}
.watch-sub {
  font-size: var(--text-sm);
  color: rgba(247,245,240,.62);
  max-width: 58ch;
  margin: 0 auto var(--space-8);
}

/* Application status line */
.apply .apply-frame { margin-bottom: var(--space-3); }
.apply-status {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--gold-400);
  margin: 0 auto var(--space-10);
  max-width: none;
}

/* Chain logic (Why BuildUp) */
.chain { margin: var(--space-6) 0; }
.chain li {
  position: relative;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-lg);
  line-height: 1.35;
  color: var(--ink-900);
  padding: var(--space-2) 0 var(--space-2) var(--space-8);
}
.chain li::before {
  content: '';
  position: absolute;
  left: 0; top: 1.05em;
  width: 14px; height: 2px;
  background: var(--gold-500);
}

/* Generic callout (mirrors decisions-close) */
.callout {
  margin: clamp(var(--space-10), 4vw, var(--space-16)) auto 0;
  text-align: center;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  line-height: 1.4;
  max-width: 44ch;
}
.callout em { color: var(--gold-500); font-style: italic; }

/* Your-project list (Engagement) */
.your-list { margin-top: var(--space-6); }
.your-list li {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-lg);
  color: var(--ink-900);
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--line-200);
}
.your-list li:last-child { border-bottom: none; }

/* Deliverables grid */
.deliverables { margin-top: clamp(var(--space-12), 5vw, var(--space-20)); }

/* Dark-section card variants (Four Decisions) */
.dark .card { border-color: var(--navy-800); }
.dark .num-card { background: var(--navy-900); }
.dark .card h3 { color: var(--ivory-50); }
.dark .card p { color: rgba(247,245,240,.62); }
.dark .section-intro { color: rgba(247,245,240,.65); }
.section-intro.center { margin-inline: auto; }

/* Active developers chips */
.chip-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-3);
  max-width: 720px;
  margin: var(--space-8) auto;
}
.chip {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-600);
  border: 1px solid var(--line-200);
  background: var(--ivory-100);
  border-radius: 2px;
  padding: var(--space-2) var(--space-4);
}
.active-dev .section-intro.center { margin-top: var(--space-4); }

/* Guarantee conditions */
.check-list { margin: var(--space-4) 0; }
.check-list li {
  position: relative;
  padding: var(--space-2) 0 var(--space-2) var(--space-8);
  color: var(--ink-900);
  font-weight: 500;
}
.check-list li::before {
  content: '';
  position: absolute;
  left: 0; top: 1.05em;
  width: 14px; height: 2px;
  background: var(--gold-500);
}
.fine { font-size: var(--text-xs); color: var(--ink-600); margin-top: var(--space-4); }
.guarantee-close {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  line-height: 1.4;
  color: var(--ink-900);
  margin-top: var(--space-8) !important;
}
.guarantee-close em { color: var(--gold-500); font-style: italic; }

/* Center photo in engagement split */
.positioning .split { align-items: center; }

/* Founders closing line */
.founders-close {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  line-height: 1.45;
  color: var(--ink-900);
}

/* Official logo mark */
.logo-mark-img{width:34px;height:34px;border-radius:8px;display:block}
@media (max-width:640px){.logo-mark-img{width:30px;height:30px}}