/* Apertix landing — shared layout (v2 lineage, multimodal positioning) */

body { background: var(--ink-900); color: var(--paper-50); }
::selection { background: var(--gold-500); color: var(--ink-900); }

.nav { position: sticky; top: 0; z-index: 60; background: rgba(11,13,16,0.72); backdrop-filter: blur(14px); border-bottom: 1px solid var(--rule-deep); }
.nav .wrap { display: flex; align-items: center; justify-content: space-between; padding: 16px var(--gutter); }
.nav nav { display: flex; gap: 32px; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: rgba(248,243,231,0.55); }
.nav nav a { color: inherit; text-decoration: none; }
.wm { display: flex; align-items: center; gap: 12px; font-family: var(--font-sans); font-size: 18px; font-weight: 500; letter-spacing: 0.02em; }
.wm .glyph { width: 22px; height: 22px; border: 1.5px solid var(--paper-50); border-radius: 50%; position: relative; }
.wm .glyph::before { content: ''; position: absolute; left: 50%; top: 50%; width: 3px; height: 3px; background: var(--gold-500); border-radius: 50%; transform: translate(-50%,-50%); }
.wm s { text-decoration: none; color: var(--gold-500); }

/* HERO */
.hero { position: relative; min-height: 96vh; overflow: hidden; }
.hero .bg { position: absolute; inset: 0; }
.hero .bg canvas, .hero .bg svg { width: 100%; height: 100%; display: block; }
.hero .vignette { position: absolute; inset: 0; background: radial-gradient(ellipse at center, transparent 35%, rgba(11,13,16,0.78) 100%); pointer-events: none; }
.hero .wrap { position: relative; padding: 140px var(--gutter) 110px; }
.hero .meta { display: flex; justify-content: space-between; align-items: center; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: rgba(248,243,231,0.6); margin-bottom: 110px; }
.hero .meta .stamp { display: inline-flex; gap: 10px; align-items: center; }
.hero .meta .stamp::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--gold-500); animation: pulse 2.4s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: 0.4 } 50% { opacity: 1 } }

.hero h1 { font-family: var(--font-display); font-weight: 400; font-size: clamp(64px, 11.5vw, 180px); line-height: 0.92; letter-spacing: -0.028em; margin: 0; max-width: 13ch; color: var(--paper-50); }
.hero h1 em { font-style: italic; color: var(--gold-500); }
.hero .lede { margin-top: 56px; max-width: 58ch; font-family: var(--font-display); font-size: 26px; line-height: 1.4; color: rgba(248,243,231,0.78); font-weight: 400; }
.hero .lede em { font-style: italic; color: var(--gold-300); }
.hero .lede strong { font-weight: 400; color: var(--paper-50); font-style: normal; }
.hero .cta { margin-top: 48px; display: flex; gap: 16px; align-items: center; }
.hero .cta .btn { color: var(--paper-50); }
.hero .cta .btn--solid-ink { background: var(--paper-50); color: var(--ink-900); border-color: var(--paper-50); }
.hero .cta .btn--solid-ink:hover { background: var(--gold-500); border-color: var(--gold-500); }

.hero-stats { margin-top: 110px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; border-top: 1px solid var(--rule-deep); padding-top: 24px; position: relative; }
.hero-stats .cell { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: rgba(248,243,231,0.55); }
.hero-stats .cell strong { display: block; color: var(--paper-50); font-family: var(--font-display); font-weight: 400; font-size: 44px; letter-spacing: -0.02em; margin-bottom: 6px; font-style: normal; }
.hero-stats .cell strong em { font-style: italic; color: var(--gold-500); }

/* SECTIONS */
.sec { padding: 140px 0; border-top: 1px solid var(--rule-deep); position: relative; }
.sec-head { display: grid; grid-template-columns: 220px 1fr; gap: 56px; align-items: baseline; margin-bottom: 64px; }
.sec-head .idx { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: rgba(248,243,231,0.55); padding-top: 18px; }
.sec-head .idx span { color: var(--gold-500); margin-right: 12px; }
.sec-head h2 { font-family: var(--font-display); font-weight: 400; font-size: clamp(48px, 6vw, 80px); line-height: 1.0; letter-spacing: -0.022em; margin: 0; max-width: 22ch; }
.sec-head h2 em { font-style: italic; color: var(--gold-500); }

.one-liner-grid { display: grid; grid-template-columns: 220px 1fr; gap: 56px; }
.one-liner { font-family: var(--font-display); font-size: clamp(40px, 5vw, 80px); line-height: 1.04; letter-spacing: -0.02em; max-width: 22ch; }
.one-liner em { font-style: italic; color: var(--gold-500); }

/* Boarding strip — airplane mode crossover */
.boarding { background: var(--paper-100); color: var(--ink-900); border-top: 0; padding: 22px 0; font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; }
.boarding .wrap { display: flex; align-items: center; gap: 32px; justify-content: space-between; }
.boarding .badge { display: inline-flex; align-items: center; gap: 10px; color: var(--rust-700); }
.boarding .badge::before { content: '✈'; font-size: 14px; }
.boarding .msg { color: var(--ink-700); flex: 1; text-align: center; letter-spacing: 0.06em; }
.boarding .msg em { font-family: var(--font-display); font-style: italic; color: var(--rust-700); text-transform: none; letter-spacing: 0; font-size: 14px; }
.boarding .right { color: var(--ink-400); }

/* DEMO — light band */
.demo-band { background: var(--paper-100); color: var(--ink-900); padding: 120px 0; border-top: 0; }
.demo-band .sec-head .idx { color: var(--ink-400); }
.demo-band .sec-head .idx span { color: var(--rust-700); }
.demo-band .sec-head h2 { color: var(--ink-900); }
.demo-band .sec-head h2 em { color: var(--rust-700); }
.demo-stage { display: grid; grid-template-columns: 380px 1fr; gap: 80px; align-items: center; margin-top: 32px; }
.phone { width: 320px; aspect-ratio: 9/19.5; border-radius: 44px; background: #050608; border: 1px solid rgba(11,13,16,0.4); padding: 12px; position: relative; box-shadow: 0 40px 80px rgba(0,0,0,0.18); }
.phone .notch { position: absolute; top: 22px; left: 50%; transform: translateX(-50%); width: 110px; height: 30px; background: #000; border-radius: 18px; z-index: 2; }
.phone .screen { width: 100%; height: 100%; border-radius: 34px; background: #0e1014; overflow: hidden; position: relative; }
.phone .vp { position: absolute; inset: 60px 14px 14px; border-radius: 18px; background: linear-gradient(160deg, #2a2418 0%, #0a0805 100%); overflow: hidden; }
.phone .grid-bg { position: absolute; inset: 0; background-image: linear-gradient(rgba(248,243,231,0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(248,243,231,0.04) 1px, transparent 1px); background-size: 24px 24px; }
.phone .crosshair { position: absolute; left: 50%; top: 45%; transform: translate(-50%,-50%); width: 90px; height: 90px; border: 1px solid var(--gold-500); border-radius: 50%; }
.phone .crosshair::before, .phone .crosshair::after { content: ''; position: absolute; background: var(--gold-500); }
.phone .crosshair::before { left: 50%; top: -10px; bottom: -10px; width: 1px; }
.phone .crosshair::after { left: -10px; right: -10px; top: 50%; height: 1px; }
.phone .pill { position: absolute; top: 50px; left: 14px; background: rgba(200,164,94,0.18); border: 1px solid var(--gold-500); color: var(--gold-300); padding: 3px 8px; font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.06em; text-transform: uppercase; }
.phone .caption { position: absolute; left: 16px; right: 16px; bottom: 18px; background: rgba(11,13,16,0.78); backdrop-filter: blur(10px); border: 1px solid rgba(248,243,231,0.12); border-radius: 10px; padding: 12px 14px; font-family: var(--font-sans); font-size: 11px; color: var(--paper-50); line-height: 1.5; }
.phone .caption em { font-family: var(--font-display); font-style: italic; color: var(--gold-300); }
.phone .hud { position: absolute; top: 12px; left: 14px; right: 14px; display: flex; justify-content: space-between; font-family: var(--font-mono); font-size: 9px; color: rgba(248,243,231,0.6); }

.demo-info dl { margin: 0; }
.demo-info dl > div { display: grid; grid-template-columns: 1fr auto; align-items: baseline; padding: 16px 0; border-top: 1px solid var(--rule); }
.demo-info dl > div:first-child { border-top: 0; }
.demo-info dt { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-400); }
.demo-info dd { font-family: var(--font-display); font-size: 28px; margin: 0; letter-spacing: -0.01em; color: var(--ink-900); }
.demo-info dd em { font-style: italic; color: var(--rust-700); }
.demo-info .blurb { margin-top: 28px; font-family: var(--font-display); font-size: 22px; line-height: 1.45; color: var(--ink-700); max-width: 44ch; }
.demo-info .blurb em { font-style: italic; color: var(--rust-700); }

/* MARKETS */
.markets { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: transparent; border-top: 1px solid var(--rule-deep); border-bottom: 1px solid var(--rule-deep); }
.market { background: transparent; padding: 56px 48px; position: relative; border-right: 1px solid var(--rule-deep); border-bottom: 1px solid var(--rule-deep); }
.market:nth-child(2n) { border-right: 0; }
.market:nth-last-child(-n+2) { border-bottom: 0; }
.market::before { content: ''; position: absolute; left: 48px; top: 48px; width: 8px; height: 8px; border-radius: 50%; background: var(--gold-500); opacity: 0.85; box-shadow: 0 0 16px var(--gold-500); }
.market .mnum { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: rgba(248,243,231,0.55); margin-left: 24px; display: inline-block; }
.market .mnum span { color: var(--gold-500); margin-right: 8px; }
.market .figure { font-family: var(--font-display); font-size: 64px; line-height: 1; letter-spacing: -0.02em; margin: 32px 0 8px; color: var(--paper-50); }
.market .figure em { font-style: italic; color: var(--gold-500); }
.market h3 { font-family: var(--font-display); font-size: 32px; line-height: 1.06; letter-spacing: -0.015em; margin: 16px 0; font-weight: 400; color: var(--paper-50); }
.market h3 em { font-style: italic; color: var(--gold-500); }
.market p { margin: 0; font-family: var(--font-display); font-size: 19px; line-height: 1.5; color: rgba(248,243,231,0.75); max-width: 42ch; font-style: normal; font-weight: 400; }
.market .partners { margin-top: 28px; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.06em; color: rgba(248,243,231,0.5); }

/* RESEARCH */
.research-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; }
.research-grid .num { font-family: var(--font-display); font-size: 96px; line-height: 1; letter-spacing: -0.03em; color: var(--paper-50); }
.research-grid .num em { font-style: italic; color: var(--gold-500); }
.research-grid .lbl { margin-top: 12px; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: rgba(248,243,231,0.55); }
.research-grid p { margin: 20px 0 0; font-family: var(--font-display); font-size: 18px; line-height: 1.45; color: rgba(248,243,231,0.78); }
.research-grid p em { font-style: italic; color: var(--gold-300); }

.credentials { margin-top: 80px; padding-top: 40px; border-top: 1px solid var(--rule-deep); display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 40px; }
.credentials .item { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: rgba(248,243,231,0.55); }
.credentials .item strong { display: block; font-family: var(--font-display); font-weight: 400; font-style: normal; font-size: 26px; letter-spacing: -0.01em; color: var(--paper-50); margin-bottom: 6px; text-transform: none; letter-spacing: -0.01em; }
.credentials .item strong em { font-style: italic; color: var(--gold-500); }
.credentials .item span { display: block; margin-top: 8px; font-family: var(--font-display); font-style: normal; font-size: 16px; line-height: 1.45; color: rgba(248,243,231,0.7); text-transform: none; letter-spacing: 0; font-weight: 400; }

footer { padding: 140px 0 48px; border-top: 1px solid var(--rule-deep); position: relative; overflow: hidden; }
footer .bg { position: absolute; inset: 0; }
footer .bg canvas { width: 100%; height: 100%; }
footer .wrap { position: relative; }
footer .big { font-family: var(--font-display); font-weight: 400; font-size: clamp(64px, 9vw, 132px); line-height: 0.95; letter-spacing: -0.025em; max-width: 20ch; color: var(--paper-50); }
footer .big em { font-style: italic; color: var(--gold-500); }
footer .row { margin-top: 96px; padding-top: 24px; border-top: 1px solid var(--rule-deep); display: flex; justify-content: space-between; align-items: end; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: rgba(248,243,231,0.55); }
footer .row a { color: var(--paper-50); text-decoration: none; }

/* ── Responsive ─────────────────────────────────────────────────────
   Tablet ≤ 860px  |  Mobile ≤ 480px
   ─────────────────────────────────────────────────────────────────── */

@media (max-width: 860px) {

  /* NAV */
  .nav nav { display: none; }

  /* HERO */
  .hero .meta { margin-bottom: 48px; }
  .hero-stats { grid-template-columns: 1fr 1fr; gap: 16px; }

  /* SECTIONS */
  .sec { padding: 72px 0; }
  .sec-head { grid-template-columns: 1fr; gap: 10px; margin-bottom: 36px; }
  .sec-head .idx { padding-top: 0; }
  .one-liner-grid { grid-template-columns: 1fr; }

  /* BOARDING */
  .boarding .wrap { flex-wrap: wrap; gap: 10px; }
  .boarding .right { display: none; }

  /* DEMO */
  .demo-band { padding: 72px 0; }
  .demo-stage { grid-template-columns: 1fr; gap: 48px; }

  /* MARKETS */
  .markets { grid-template-columns: 1fr; }
  .market { border-right: 0 !important; border-bottom: 1px solid var(--rule-deep) !important; padding: 40px 24px; }
  .market:last-child { border-bottom: 0 !important; }
  .market::before { left: 24px; top: 38px; }

  /* RESEARCH */
  .research-grid { grid-template-columns: 1fr 1fr; gap: 32px; }

  /* CREDENTIALS */
  .credentials { grid-template-columns: 1fr; gap: 32px; }

  /* FOOTER */
  footer .row { flex-direction: column; gap: 16px; align-items: flex-start; }
}

@media (max-width: 480px) {

  /* NAV */
  .wm { font-size: 15px; }

  /* HERO */
  .hero .meta { flex-direction: column; align-items: flex-start; gap: 10px; font-size: 10px; }
  .hero h1 { font-size: clamp(34px, 10vw, 56px) !important; }
  .hero .lede { font-size: 17px !important; margin-top: 20px; }
  .hero .cta { flex-direction: column; gap: 12px; align-items: flex-start; }
  .hero-stats { grid-template-columns: 1fr 1fr; margin-top: 48px; }
  .hero-stats .cell strong { font-size: 32px; }

  /* SECTIONS */
  .sec { padding: 56px 0; }
  .sec-head h2 { font-size: clamp(34px, 9vw, 56px) !important; }
  .one-liner { font-size: clamp(32px, 8vw, 56px); }

  /* DEMO */
  .demo-band { padding: 56px 0; }
  .demo-info dd { font-size: 22px; }
  .demo-info .blurb { font-size: 17px; text-align: left; margin-left: 0; }

  /* MARKETS */
  .market .figure { font-size: 48px; }
  .market h3 { font-size: 24px; }
  .market p { font-size: 16px; }

  /* RESEARCH */
  .research-grid { grid-template-columns: 1fr; }
  .research-grid .num { font-size: 72px; }

  /* CREDENTIALS */
  .credentials { margin-top: 48px; }

  /* FOOTER */
  footer { padding: 56px 0 40px; }
  footer .big { font-size: clamp(44px, 12vw, 80px) !important; }
  footer .row { margin-top: 48px; }
}