/* ============================================================
   OPTERA — dark JARVIS-class landing page
   Theme: deep blue / black, white reactive sphere, cyan glow
   ============================================================ */

:root {
  /* surfaces */
  --void: #070b16;
  --bg: #0a1020;
  --panel: rgba(20, 31, 56, 0.5);
  --panel-solid: #0d1626;

  /* lines */
  --line: rgba(124, 168, 232, 0.20);
  --line-soft: rgba(124, 168, 232, 0.11);

  /* accents */
  --cyan: #8fccff;
  --cyan-bright: #c4e6ff;
  --blue: #4f93ff;
  --ice: #e2efff;

  /* text */
  --white: #ffffff;
  --text: #d6e3f6;
  --muted: #9bafd0;
  --dim: #7088b0;

  /* glow */
  --glow-cyan: 0 0 32px rgba(90, 170, 255, 0.28);
  --glow-soft: 0 0 24px rgba(70, 130, 240, 0.18);

  --grad: linear-gradient(110deg, #ffffff 0%, #b6e2ff 38%, #5aa0ff 78%, #3b82f6 100%);

  --maxw: 1240px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);

  --font-display: "Space Grotesk", "Inter", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", monospace;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  background: var(--void);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* base radial wash behind everything */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -3;
  background:
    radial-gradient(1000px 640px at 72% -8%, rgba(38, 80, 168, 0.26), transparent 60%),
    radial-gradient(820px 560px at 10% 6%, rgba(28, 60, 132, 0.18), transparent 56%),
    radial-gradient(1100px 820px at 50% 122%, rgba(30, 54, 118, 0.16), transparent 60%),
    var(--void);
}

::selection { background: rgba(122, 196, 255, 0.28); color: #fff; }

a { color: inherit; text-decoration: none; }
img, svg { display: block; }

/* ===================== Ambient layers ===================== */
.bg-grid {
  position: fixed; inset: -2px; z-index: -2; pointer-events: none;
  background-image:
    linear-gradient(rgba(96, 150, 224, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(96, 150, 224, 0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(circle at 50% 30%, #000 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(circle at 50% 30%, #000 0%, transparent 78%);
  animation: gridDrift 30s linear infinite;
}
@keyframes gridDrift { to { background-position: 64px 64px; } }

.bg-glow {
  position: fixed; z-index: -2; pointer-events: none;
  border-radius: 50%; filter: blur(100px); opacity: 0.42;
}
.bg-glow--1 {
  width: 44vw; height: 44vw; top: -10vw; right: -8vw;
  background: radial-gradient(circle, rgba(44, 96, 208, 0.46), transparent 68%);
  animation: float1 16s var(--ease) infinite alternate;
}
.bg-glow--2 {
  width: 38vw; height: 38vw; bottom: -12vw; left: -10vw;
  background: radial-gradient(circle, rgba(32, 72, 172, 0.36), transparent 68%);
  animation: float2 20s var(--ease) infinite alternate;
}
@keyframes float1 { to { transform: translate(-40px, 40px) scale(1.12); } }
@keyframes float2 { to { transform: translate(50px, -30px) scale(1.1); } }

.bg-scanline {
  position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: 0.5;
  background: repeating-linear-gradient(
    0deg, transparent 0, transparent 2px,
    rgba(120, 180, 255, 0.025) 3px, transparent 4px);
}
.bg-noise {
  position: fixed; inset: 0; z-index: 9; pointer-events: none; opacity: 0.04;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ===================== Reticle cursor ===================== */
.reticle, .reticle-dot { position: fixed; top: 0; left: 0; z-index: 9999; pointer-events: none; will-change: transform; }
.reticle { width: 42px; height: 42px; margin: -21px 0 0 -21px; transition: width .25s var(--ease), height .25s var(--ease), margin .25s var(--ease), opacity .3s; opacity: 0; }
.reticle__ring { position: absolute; inset: 0; border: 1px solid rgba(122, 196, 255, 0.6); border-radius: 50%; transition: inherit; }
.reticle__cross { position: absolute; background: rgba(122, 196, 255, 0.5); }
.reticle__cross--h { top: 50%; left: -7px; right: -7px; height: 1px; transform: translateY(-50%); }
.reticle__cross--v { left: 50%; top: -7px; bottom: -7px; width: 1px; transform: translateX(-50%); }
.reticle-dot { width: 5px; height: 5px; margin: -2.5px 0 0 -2.5px; background: var(--cyan-bright); border-radius: 50%; box-shadow: var(--glow-cyan); opacity: 0; transition: opacity .3s; }
.reticle.is-on, .reticle-dot.is-on { opacity: 1; }
.reticle.is-hover { width: 64px; height: 64px; margin: -32px 0 0 -32px; }
.reticle.is-hover .reticle__ring { border-color: var(--cyan-bright); box-shadow: var(--glow-cyan); }

/* ===================== Shared bits ===================== */
.dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); vertical-align: middle; }
.dot--live { background: #54f0c0; box-shadow: 0 0 8px #54f0c0; animation: pulse 1.8s ease-in-out infinite; }
@keyframes pulse { 0%,100%{ opacity:1; transform:scale(1);} 50%{ opacity:.45; transform:scale(.7);} }

.grad {
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}

.kicker, .eyebrow, .hud__label, .nav__status {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--cyan);
}

/* ===================== Buttons ===================== */
.btn {
  --pad: 0.85rem 1.5rem;
  display: inline-flex; align-items: center; gap: 0.6rem;
  padding: var(--pad);
  font-family: var(--font-mono); font-size: 0.8rem; font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase;
  border: 1px solid var(--line); border-radius: 2px;
  position: relative; cursor: pointer; background: transparent; color: var(--white);
  transition: transform .35s var(--ease), border-color .3s, background .3s, box-shadow .3s, color .3s;
  overflow: hidden; white-space: nowrap;
}
.btn svg { transition: transform .35s var(--ease); }
.btn:hover svg { transform: translateX(4px); }
.btn--primary {
  background: linear-gradient(180deg, rgba(123,196,255,.16), rgba(59,130,246,.10));
  border-color: rgba(123, 196, 255, 0.5);
  box-shadow: inset 0 0 24px rgba(90,160,255,.14), 0 0 0 rgba(0,0,0,0);
}
.btn--primary:hover { border-color: var(--cyan-bright); box-shadow: inset 0 0 30px rgba(90,160,255,.26), 0 8px 40px rgba(50,120,240,.34); }
.btn--line:hover, .btn--ghost:hover { border-color: var(--cyan); background: rgba(90,150,240,.08); box-shadow: var(--glow-soft); }
.btn--ghost { padding: 0.62rem 1.1rem; font-size: 0.72rem; }
/* sheen sweep */
.btn::after {
  content: ""; position: absolute; top: 0; left: -120%; width: 60%; height: 100%;
  background: linear-gradient(110deg, transparent, rgba(255,255,255,.22), transparent);
  transform: skewX(-18deg); transition: left .6s var(--ease);
}
.btn:hover::after { left: 140%; }

/* ===================== Navigation ===================== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  gap: 1.5rem; padding: 1.1rem clamp(1.1rem, 4vw, 3rem);
  transition: background .4s, border-color .4s, padding .4s, backdrop-filter .4s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(9, 14, 27, 0.82);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-bottom-color: var(--line);
  padding-top: 0.8rem; padding-bottom: 0.8rem;
}
.nav__brand { display: flex; align-items: center; gap: 0.6rem; }
.nav__mark { color: var(--cyan-bright); width: 30px; height: 30px; filter: drop-shadow(0 0 8px rgba(120,190,255,.55)); }
.nav__mark svg { width: 100%; height: 100%; animation: spinMark 18s linear infinite; }
@keyframes spinMark { to { transform: rotate(360deg); } }
.nav__name { font-family: var(--font-display); font-weight: 700; letter-spacing: 0.32em; font-size: 1.05rem; color: #fff; padding-left: .15em; }

.nav__links { display: flex; gap: 2rem; }
.nav__links a {
  font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--muted); position: relative; padding: 4px 0;
  transition: color .3s;
}
.nav__links a::after { content: ""; position: absolute; left: 0; bottom: 0; width: 0; height: 1px; background: var(--cyan); box-shadow: var(--glow-cyan); transition: width .35s var(--ease); }
.nav__links a:hover { color: #fff; }
.nav__links a:hover::after { width: 100%; }

.nav__right { display: flex; align-items: center; gap: 1.2rem; }
.nav__status { display: flex; align-items: center; gap: 0.5rem; color: var(--muted); }

.nav__toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 6px; }
.nav__toggle span { width: 24px; height: 2px; background: var(--cyan-bright); transition: transform .3s, opacity .3s; }
.nav.open .nav__toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav.open .nav__toggle span:nth-child(2) { opacity: 0; }
.nav.open .nav__toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===================== HERO ===================== */
.hero {
  position: relative; min-height: 100vh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; padding: 7rem 1.2rem 4rem; overflow: hidden;
  /* The hero is its own dark stage so the sphere pops; it fades into the
     lighter navy theme at the bottom so there's no hard seam. */
  background:
    radial-gradient(circle at 50% 46%, rgba(18, 40, 88, 0.42), transparent 52%),
    linear-gradient(180deg, #010206 0%, #010206 68%, var(--void) 100%);
}
.hero__canvas {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: min(94vw, 88vh); height: min(94vw, 88vh);
  z-index: 0; pointer-events: none;
}
/* legibility vignette behind hero text */
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: radial-gradient(circle at 50% 52%, rgba(1,2,6,0.82) 0%, rgba(1,2,6,0.42) 32%, transparent 58%);
}
.hero__content { position: relative; z-index: 2; max-width: 760px; }

.kicker { display: inline-flex; align-items: center; gap: 0.6rem; margin-bottom: 1.6rem; }

.hero__title {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(2.7rem, 8vw, 6rem); line-height: 1.02;
  letter-spacing: -0.01em; color: #fff;
  text-shadow: 0 0 40px rgba(40,100,220,.45);
  margin-bottom: 1.4rem;
}
.hero__title span { display: block; }

.hero__sub {
  font-size: clamp(1rem, 1.6vw, 1.18rem); color: var(--text);
  max-width: 560px; margin: 0 auto 2.2rem;
}
.hero__sub strong { color: var(--cyan-bright); font-weight: 600; }

.hero__actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

.hero__scroll {
  position: absolute; bottom: 1.8rem; left: 50%; transform: translateX(-50%); z-index: 3;
  display: flex; flex-direction: column; align-items: center; gap: 0.6rem;
  font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.3em; color: var(--muted);
}
.hero__scroll-track { width: 1px; height: 42px; background: var(--line); position: relative; overflow: hidden; }
.hero__scroll-dot { position: absolute; top: 0; left: 0; width: 1px; height: 14px; background: var(--cyan); box-shadow: var(--glow-cyan); animation: scrollDot 1.9s var(--ease) infinite; }
@keyframes scrollDot { 0% { transform: translateY(-16px); opacity: 0; } 40% { opacity: 1; } 100% { transform: translateY(44px); opacity: 0; } }

/* HUD corners */
.hud {
  position: absolute; z-index: 2; display: flex; flex-direction: column; gap: 0.25rem;
  font-family: var(--font-mono); padding: 0.8rem 1rem;
}
.hud::before { content: ""; position: absolute; width: 14px; height: 14px; border: 1px solid var(--cyan); opacity: 0.6; }
.hud__label { font-size: 0.6rem; letter-spacing: 0.24em; color: var(--dim); }
.hud__val { font-size: 0.74rem; letter-spacing: 0.1em; color: var(--cyan-bright); display: flex; align-items: center; gap: 0.4rem; }
.hud--tl { top: 5.5rem; left: clamp(1rem, 4vw, 3rem); }
.hud--tl::before { top: 0; left: 0; border-right: none; border-bottom: none; }
.hud--tr { top: 5.5rem; right: clamp(1rem, 4vw, 3rem); text-align: right; align-items: flex-end; }
.hud--tr::before { top: 0; right: 0; border-left: none; border-bottom: none; }
.hud--bl { bottom: 4.5rem; left: clamp(1rem, 4vw, 3rem); }
.hud--bl::before { bottom: 0; left: 0; border-right: none; border-top: none; }
.hud--br { bottom: 4.5rem; right: clamp(1rem, 4vw, 3rem); text-align: right; align-items: flex-end; }
.hud--br::before { bottom: 0; right: 0; border-left: none; border-top: none; }

/* ===================== Marquee ===================== */
.marquee { overflow: hidden; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(11,17,32,.5); padding: 0.9rem 0; }
.marquee__track { display: flex; align-items: center; gap: 2.2rem; width: max-content; animation: marquee 38s linear infinite; }
.marquee__track span { font-family: var(--font-mono); font-size: 0.8rem; letter-spacing: 0.22em; color: var(--muted); text-transform: uppercase; }
.marquee__track i { color: var(--cyan); font-size: 0.6rem; opacity: 0.7; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ===================== Section scaffolding ===================== */
.section { max-width: var(--maxw); margin: 0 auto; padding: clamp(5rem, 11vw, 9rem) clamp(1.2rem, 5vw, 3rem); }
.section__head { max-width: 720px; margin-bottom: 3.4rem; }
.eyebrow { display: inline-block; margin-bottom: 1.1rem; }
h2 { font-family: var(--font-display); font-weight: 600; font-size: clamp(1.9rem, 4.6vw, 3.3rem); line-height: 1.08; letter-spacing: -0.01em; color: #fff; }
.section__lead { margin-top: 1.3rem; color: var(--muted); font-size: 1.05rem; max-width: 560px; }

/* ===================== Cards ===================== */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem; }
.card {
  position: relative; padding: 1.8rem 1.6rem 1.7rem; border: 1px solid var(--line);
  border-radius: 4px; background: var(--panel);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  overflow: hidden; transition: transform .45s var(--ease), border-color .4s, background .4s, box-shadow .4s;
}
.card::before { /* corner accent */
  content: ""; position: absolute; top: 0; right: 0; width: 40px; height: 40px;
  background: linear-gradient(225deg, rgba(123,196,255,.18), transparent 60%);
  opacity: 0; transition: opacity .4s;
}
.card:hover { transform: translateY(-6px); border-color: rgba(143,204,255,.5); background: rgba(24,37,66,.62); box-shadow: 0 20px 60px rgba(2,8,24,.55), inset 0 0 40px rgba(70,130,250,.09); }
.card:hover::before { opacity: 1; }
.card--accent { border-color: rgba(143,204,255,.36); background: linear-gradient(180deg, rgba(24,44,82,.55), rgba(14,24,46,.44)); }
.card__index { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.2em; color: var(--dim); }
.card__icon { display: grid; place-items: center; width: 48px; height: 48px; margin: 1rem 0 1.3rem; border: 1px solid var(--line); border-radius: 3px; color: var(--cyan-bright); background: rgba(90,150,240,.06); transition: transform .4s var(--ease), box-shadow .4s, border-color .4s; }
.card__icon svg { width: 24px; height: 24px; }
.card:hover .card__icon { transform: rotate(-6deg) scale(1.06); border-color: var(--cyan); box-shadow: var(--glow-soft); }
.card h3 { font-family: var(--font-display); font-weight: 600; font-size: 1.25rem; color: #fff; margin-bottom: 0.55rem; }
.card p { color: var(--muted); font-size: 0.94rem; line-height: 1.6; }

/* ===================== Split sections ===================== */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 6vw, 5rem); align-items: center; }
.split--rev .split__text { order: 2; }
.split__text h2 { margin-bottom: 1.2rem; }
.split__text > p { color: var(--muted); margin-bottom: 1.8rem; max-width: 480px; }

.ticks { list-style: none; display: flex; flex-direction: column; gap: 0.9rem; margin-bottom: 2rem; }
.ticks li { display: flex; align-items: flex-start; gap: 0.8rem; color: var(--text); font-size: 0.98rem; }
.ticks i { flex: none; width: 18px; height: 18px; margin-top: 3px; border: 1px solid var(--cyan); border-radius: 50%; position: relative; }
.ticks i::after { content: ""; position: absolute; inset: 4px; border-radius: 50%; background: var(--cyan); box-shadow: var(--glow-cyan); }

/* Scanner visual */
.scanner { display: flex; flex-direction: column; gap: 0.8rem; }
.scanner__frame {
  position: relative; aspect-ratio: 4/3; border: 1px solid var(--line);
  border-radius: 4px; background:
    radial-gradient(circle at 50% 45%, rgba(26,54,116,.46), rgba(8,13,26,.72)),
    repeating-linear-gradient(0deg, transparent 0 11px, rgba(120,170,250,.06) 11px 12px);
  overflow: hidden; color: var(--cyan-bright);
}
.corner { position: absolute; width: 22px; height: 22px; border: 2px solid var(--cyan); }
.corner--tl { top: 12px; left: 12px; border-right: none; border-bottom: none; }
.corner--tr { top: 12px; right: 12px; border-left: none; border-bottom: none; }
.corner--bl { bottom: 12px; left: 12px; border-right: none; border-top: none; }
.corner--br { bottom: 12px; right: 12px; border-left: none; border-top: none; }
.scanner__beam { position: absolute; left: 0; right: 0; height: 2px; top: 0; background: linear-gradient(90deg, transparent, var(--cyan-bright), transparent); box-shadow: 0 0 18px 4px rgba(123,196,255,.55); animation: beam 3.4s var(--ease) infinite; }
@keyframes beam { 0%,100% { top: 8%; opacity: .3; } 50% { top: 92%; opacity: 1; } }
.scanner__target { position: absolute; inset: 0; display: grid; place-items: center; }
.scanner__target svg { width: 46%; color: var(--cyan); opacity: .85; }
.scanner__pulse { transform-origin: center; animation: tgtPulse 2.4s ease-in-out infinite; }
@keyframes tgtPulse { 0%,100% { opacity: 1; r: 14; } 50% { opacity: .35; r: 20; } }
.scanner__readout { position: absolute; left: 14px; right: 14px; bottom: 14px; display: flex; flex-direction: column; gap: 0.3rem; font-family: var(--font-mono); font-size: 0.66rem; background: rgba(2,6,16,.55); backdrop-filter: blur(6px); border: 1px solid var(--line); padding: 0.6rem 0.7rem; border-radius: 3px; }
.readout__row { display: flex; justify-content: space-between; letter-spacing: 0.08em; }
.readout__row span { color: var(--dim); }
.readout__row b { color: var(--cyan-bright); font-weight: 500; }
.readout__row b.ok { color: #54f0c0; text-shadow: 0 0 10px rgba(84,240,192,.5); }
.scanner__caption { font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.26em; color: var(--dim); text-align: center; }

/* Orbit visual (consulting) */
.orbit { position: relative; aspect-ratio: 1; max-width: 460px; margin: 0 auto; display: grid; place-items: center; }
.orbit__core { font-family: var(--font-display); font-weight: 700; letter-spacing: 0.3em; color: #fff; font-size: 0.95rem; padding: 1.1rem 1.4rem; border: 1px solid rgba(123,196,255,.4); border-radius: 50%; background: radial-gradient(circle, rgba(34,68,150,.55), rgba(10,16,32,.4)); box-shadow: var(--glow-cyan); z-index: 2; aspect-ratio: 1; display: grid; place-items: center; }
.orbit__ring { position: absolute; inset: 0; border: 1px solid var(--line-soft); border-radius: 50%; }
.orbit__ring--1 { inset: 8%; animation: spinMark 14s linear infinite; }
.orbit__ring--2 { inset: 22%; border-color: var(--line); animation: spinMark 9s linear infinite reverse; }
.orbit__ring--3 { inset: 36%; animation: spinMark 6s linear infinite; }
.orbit__sat { position: absolute; top: -5px; left: 50%; width: 9px; height: 9px; margin-left: -4.5px; border-radius: 50%; background: var(--cyan-bright); box-shadow: var(--glow-cyan); }
.orbit__ring--2 .orbit__sat { background: #fff; }

/* Pillars */
.pillars { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.pillar { display: flex; gap: 0.9rem; padding: 1.1rem; border: 1px solid var(--line); border-radius: 4px; background: var(--panel); transition: border-color .35s, background .35s, transform .35s var(--ease); }
.pillar:hover { border-color: rgba(143,204,255,.45); background: rgba(24,37,66,.55); transform: translateY(-4px); }
.pillar span { flex: none; width: 30px; height: 30px; display: grid; place-items: center; font-family: var(--font-mono); font-size: 0.8rem; color: var(--cyan-bright); border: 1px solid var(--line); border-radius: 50%; }
.pillar h4 { font-family: var(--font-display); font-size: 1.02rem; color: #fff; margin-bottom: 0.2rem; }
.pillar p { font-size: 0.85rem; color: var(--muted); line-height: 1.5; }

/* ===================== Process steps ===================== */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.step { position: relative; padding: 1.6rem 1.3rem; border: 1px solid var(--line); border-radius: 4px; background: var(--panel); transition: border-color .4s, background .4s, transform .4s var(--ease); }
.step:hover { border-color: rgba(143,204,255,.45); background: rgba(24,37,66,.55); transform: translateY(-5px); }
.step__no { font-family: var(--font-mono); font-size: 1.6rem; font-weight: 700; color: transparent; -webkit-text-stroke: 1px rgba(123,196,255,.5); display: block; margin-bottom: 0.7rem; }
.step h4 { font-family: var(--font-display); font-size: 1.15rem; color: #fff; margin-bottom: 0.4rem; }
.step p { font-size: 0.88rem; color: var(--muted); }
.step__line { position: absolute; top: 2.5rem; right: -0.6rem; width: 1.2rem; height: 1px; background: var(--line); }
.step__line::after { content: ""; position: absolute; right: 0; top: -2px; width: 5px; height: 5px; border-top: 1px solid var(--cyan); border-right: 1px solid var(--cyan); transform: rotate(45deg); }

/* ===================== Stats ===================== */
.stats { max-width: var(--maxw); margin: 0 auto; padding: 2.5rem clamp(1.2rem, 5vw, 3rem); display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 4px; overflow: hidden; }
.stats__item { background: rgba(11,17,32,.66); padding: 2rem 1.4rem; text-align: center; }
.stats__item b { display: block; font-family: var(--font-display); font-weight: 700; font-size: clamp(2rem, 4.5vw, 3rem); color: #fff; text-shadow: 0 0 24px rgba(60,120,240,.4); line-height: 1; margin-bottom: 0.6rem; }
.stats__item > span { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); }

/* ===================== CTA ===================== */
.cta { position: relative; text-align: center; padding: clamp(5rem, 12vw, 9rem) 1.2rem; overflow: hidden; }
.cta__inner { position: relative; z-index: 2; max-width: 620px; margin: 0 auto; }
.cta h2 { margin: 1.1rem 0 1.3rem; }
.cta p { color: var(--muted); margin-bottom: 2.2rem; }
.cta__actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.cta__glow { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); width: 70vw; height: 40vw; max-width: 760px; background: radial-gradient(circle, rgba(40,96,220,.28), transparent 66%); filter: blur(60px); z-index: 1; animation: ctaPulse 7s var(--ease) infinite alternate; }
@keyframes ctaPulse { to { opacity: .55; transform: translate(-50%,-50%) scale(1.12); } }

/* ===================== Footer ===================== */
.footer { border-top: 1px solid var(--line); background: rgba(7,11,22,.82); padding: 3.5rem clamp(1.2rem, 5vw, 3rem) 1.6rem; }
.footer__top { max-width: var(--maxw); margin: 0 auto; display: flex; justify-content: space-between; gap: 3rem; flex-wrap: wrap; padding-bottom: 2.6rem; border-bottom: 1px solid var(--line-soft); }
.footer__brand { display: flex; flex-direction: column; gap: 0.4rem; max-width: 260px; }
.footer__brand .nav__mark { width: 26px; height: 26px; }
.footer__brand .nav__name { font-size: 1rem; }
.footer__brand p { color: var(--muted); font-size: 0.9rem; margin-top: 0.3rem; }
.footer__cols { display: flex; gap: 3rem; flex-wrap: wrap; }
.footer__cols h5 { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--cyan); margin-bottom: 1rem; }
.footer__cols a { display: block; color: var(--muted); font-size: 0.9rem; padding: 0.28rem 0; transition: color .3s, transform .3s; }
.footer__cols a:hover { color: #fff; transform: translateX(3px); }
.footer__bottom { max-width: var(--maxw); margin: 1.6rem auto 0; display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.12em; color: var(--dim); }
.footer__bottom span { display: flex; align-items: center; gap: 0.5rem; }

/* ===================== Reveal animations ===================== */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ===================== Responsive ===================== */
@media (max-width: 980px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .step__line { display: none; }
  .split { grid-template-columns: 1fr; }
  .split--rev .split__text { order: 0; }
  .orbit { max-width: 360px; }
}
@media (max-width: 760px) {
  .nav__links, .nav__status, .nav__right { display: none; }
  .nav__toggle { display: flex; }
  .nav.open .nav__links {
    display: flex; flex-direction: column; gap: 1.4rem; position: absolute; top: 100%; left: 0; right: 0;
    background: #03060e; backdrop-filter: blur(20px); padding: 1.8rem clamp(1.1rem,4vw,3rem) 2.2rem; border-bottom: 1px solid var(--line);
    box-shadow: 0 24px 60px rgba(0,0,0,.6);
  }
  .nav.open .nav__links a { font-size: 0.95rem; }
  .hud--tl, .hud--tr { top: 4.6rem; }
  .hud { padding: 0.5rem 0.6rem; }
  .hud__val { font-size: 0.64rem; }
  .hud__label { font-size: 0.52rem; }
  .reticle, .reticle-dot { display: none; }
}
@media (max-width: 560px) {
  .cards, .stats { grid-template-columns: 1fr; }
  .steps, .pillars { grid-template-columns: 1fr; }
  .hud--bl, .hud--br { display: none; }
  .stats { gap: 1px; }
}

/* ===================== Reduced motion ===================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}