/* ══════════════════════════════════════════════════════════
   SPACEX CONCEPT — black · grey/white · aerospace engineering
   Palette: 纯黑 #000 · 白 #f5f5f5 · 灰 #9a9a9a · 弱灰 #555 · 线 #2a2a2a
   Fonts: Space Grotesk (display) + Inter (body) — self-hosted woff2
   ══════════════════════════════════════════════════════════ */

/* ---------- Fonts (self-hosted, offline-safe) ---------- */
@font-face {
  font-family: 'Space Grotesk';
  src: url('../fonts/space-grotesk-300.woff2') format('woff2');
  font-weight: 300; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Space Grotesk';
  src: url('../fonts/space-grotesk-400.woff2') format('woff2');
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Space Grotesk';
  src: url('../fonts/space-grotesk-500.woff2') format('woff2');
  font-weight: 500; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Space Grotesk';
  src: url('../fonts/space-grotesk-700.woff2') format('woff2');
  font-weight: 700; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('../fonts/inter-300.woff2') format('woff2');
  font-weight: 300; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('../fonts/inter-400.woff2') format('woff2');
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('../fonts/inter-500.woff2') format('woff2');
  font-weight: 500; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('../fonts/inter-600.woff2') format('woff2');
  font-weight: 600; font-style: normal; font-display: swap;
}

:root {
  --bg: #000000;
  --fg: #f5f5f5;
  --fg-dim: #9a9a9a;
  --fg-faint: #555555;
  --line: #2a2a2a;
  --line-soft: rgba(255, 255, 255, .08);
  --font-display: 'Space Grotesk', 'Bahnschrift', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-body: 'Inter', 'Segoe UI', 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-mono: 'Cascadia Code', 'SF Mono', Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body {
  font-family: var(--font-body);
  background: #010204;
  color: var(--fg);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ---------- Global deep-space backdrop (fixed, shared by every section) ---------- */
.space-bg {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(60% 45% at 78% 8%, rgba(96, 118, 162, .14), transparent 70%),
    radial-gradient(50% 40% at 10% 30%, rgba(70, 86, 126, .10), transparent 70%),
    radial-gradient(45% 35% at 55% 105%, rgba(120, 150, 200, .08), transparent 75%),
    #010204;
}
/* star field */
.space-bg::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(1px 1px at 12% 22%, rgba(255,255,255,.75) 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 24% 62%, rgba(200,215,240,.5) 50%, transparent 51%),
    radial-gradient(1px 1px at 34% 12%, rgba(255,255,255,.55) 50%, transparent 51%),
    radial-gradient(1px 1px at 46% 48%, rgba(255,255,255,.45) 50%, transparent 51%),
    radial-gradient(2px 2px at 52% 78%, rgba(205,218,240,.5) 50%, transparent 51%),
    radial-gradient(1px 1px at 60% 30%, rgba(255,255,255,.6) 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 70% 64%, rgba(190,205,230,.45) 50%, transparent 51%),
    radial-gradient(1px 1px at 78% 18%, rgba(255,255,255,.6) 50%, transparent 51%),
    radial-gradient(1px 1px at 86% 52%, rgba(255,255,255,.5) 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 92% 84%, rgba(200,215,240,.5) 50%, transparent 51%),
    radial-gradient(1px 1px at 16% 86%, rgba(255,255,255,.45) 50%, transparent 51%),
    radial-gradient(1px 1px at 66% 92%, rgba(255,255,255,.4) 50%, transparent 51%),
    radial-gradient(1px 1px at 8% 44%, rgba(255,255,255,.4) 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 40% 34%, rgba(210,222,245,.4) 50%, transparent 51%),
    radial-gradient(1px 1px at 55% 8%, rgba(255,255,255,.45) 50%, transparent 51%),
    radial-gradient(1px 1px at 95% 26%, rgba(255,255,255,.4) 50%, transparent 51%);
}
/* twinkling bright stars */
.space-bg::after {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(2.5px 2.5px at 18% 34%, rgba(255,255,255,.9) 50%, transparent 51%),
    radial-gradient(2px 2px at 58% 66%, rgba(255,255,255,.8) 50%, transparent 51%),
    radial-gradient(2.5px 2.5px at 82% 22%, rgba(220,230,250,.85) 50%, transparent 51%),
    radial-gradient(2px 2px at 38% 82%, rgba(255,255,255,.75) 50%, transparent 51%),
    radial-gradient(2px 2px at 68% 14%, rgba(255,255,255,.8) 50%, transparent 51%),
    radial-gradient(2.5px 2.5px at 90% 72%, rgba(215,225,248,.8) 50%, transparent 51%),
    radial-gradient(2px 2px at 6% 64%, rgba(255,255,255,.7) 50%, transparent 51%),
    radial-gradient(2px 2px at 47% 4%, rgba(255,255,255,.75) 50%, transparent 51%);
  animation: bg-twinkle 5.5s ease-in-out infinite;
}
@keyframes bg-twinkle {
  0%, 100% { opacity: .55; }
  50% { opacity: 1; }
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; background: none; border: 0; color: inherit; }
::selection { background: var(--fg); color: var(--bg); }
a:focus-visible, button:focus-visible { outline: 1px solid var(--fg); outline-offset: 3px; }

.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.skip {
  position: fixed; top: -60px; left: 12px; z-index: 200;
  background: var(--fg); color: var(--bg);
  padding: 10px 16px; font-size: .8rem; letter-spacing: .08em;
  transition: top .3s;
}
.skip:focus { top: 12px; }

/* ---------- Scroll progress ---------- */
.progress {
  position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 300;
  background: rgba(255,255,255,.06);
}
.progress::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 0;
  background: linear-gradient(90deg, #fff, #aaa);
  transition: width .1s linear;
}

/* ---------- Scrollbar (dark, unobtrusive) ---------- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #000; }
::-webkit-scrollbar-thumb { background: #1f1f1f; border-radius: 0; }
::-webkit-scrollbar-thumb:hover { background: #3a3a3a; }

/* ---------- Stars (canvas is painted by JS) ---------- */
.stars { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }

/* ---------- WebGL2 effects (Threads / Aurora) ---------- */
.threads, .aurora {
  position: absolute; inset: 0; width: 100%; height: 100%;
  pointer-events: none; display: block;
}
.hero .threads { z-index: 1; opacity: .3; }
.hero .stars { z-index: 1; }
.hero .grid-lines { z-index: 0; }
.section-bg .stars { z-index: 1; }
.aurora-global {
  position: absolute; inset: 0; width: 100%; height: 100%;
  pointer-events: none; display: block;
  opacity: .5; z-index: 0;
}

/* ---------- ShinyText (ReactBits) — light sweep across text ---------- */
.shiny-text {
  background: linear-gradient(115deg,
    rgba(175, 185, 205, .45) 38%,
    rgba(255, 255, 255, 1) 50%,
    rgba(175, 185, 205, .45) 62%);
  background-size: 260% 100%;
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
  animation: shine 5.5s linear infinite;
  filter: drop-shadow(0 0 16px rgba(255,255,255,.12));
}
@keyframes shine {
  0% { background-position: 130% 0; }
  100% { background-position: -130% 0; }
}

/* ---------- Header ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 22px clamp(20px, 4vw, 56px);
  padding-top: calc(22px + env(safe-area-inset-top));
  transition: background .35s, padding .35s, border-color .35s;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(0, 0, 0, .82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: var(--line);
  padding-block: 14px;
}
.brand { display: inline-flex; align-items: center; }
.brand img { height: 28px; width: auto; display: block; }
.desktop-nav { display: flex; gap: clamp(18px, 2.6vw, 36px); }
.desktop-nav a, .mobile-nav a {
  font-size: .78rem; font-weight: 400; letter-spacing: .22em; text-transform: uppercase;
  color: var(--fg-dim);
  transition: color .25s;
}
.desktop-nav a:hover, .mobile-nav a:hover { color: var(--fg); }
.header-actions { display: flex; align-items: center; gap: 20px; }
.header-link {
  font-size: .78rem; letter-spacing: .22em; text-transform: uppercase;
  color: var(--fg-dim); display: inline-flex; align-items: center; gap: 8px;
  transition: color .25s;
}
.header-link:hover { color: var(--fg); }
.menu { display: none; width: 44px; height: 44px; flex-direction: column; justify-content: center; align-items: flex-end; gap: 6px; }
.menu i { display: block; width: 26px; height: 1.5px; background: var(--fg); transition: transform .3s, opacity .3s; }
.menu i:nth-child(2) { width: 18px; }
.menu.open i:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.menu.open i:nth-child(2) { transform: translateY(-7.5px) rotate(-45deg); width: 26px; }
.menu.open i:nth-child(3) { opacity: 0; }
.mobile-nav {
  display: none; position: absolute; top: 100%; left: 12px; right: 12px;
  background: rgba(0, 0, 0, .96); border: 1px solid var(--line);
  padding: 20px; flex-direction: column; gap: 16px;
}
.mobile-nav.open { display: flex; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-size: .8rem; letter-spacing: .24em; text-transform: uppercase;
  padding: 16px 34px; border: 1px solid var(--fg);
  transition: background .25s, color .25s, border-color .25s;
  white-space: nowrap;
}
.btn span { transition: transform .25s; }
.btn:hover span { transform: translateX(4px); }
.btn-solid { background: var(--fg); color: var(--bg); border-color: var(--fg); }
.btn-solid:hover { background: transparent; color: var(--fg); }
.btn-ghost { background: transparent; color: var(--fg); }
.btn-ghost:hover { background: var(--fg); color: var(--bg); }
.btn.small { padding: 11px 22px; font-size: .72rem; letter-spacing: .2em; }

/* ---------- Section shell ---------- */
section { position: relative; scroll-margin-top: 0; }
.section { min-height: 92vh; display: flex; align-items: center; overflow: hidden; }
.section-bg { position: absolute; inset: 0; }
.section-bg::after {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(1px 1px at 22% 30%, rgba(255,255,255,.5) 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 68% 22%, rgba(190,205,230,.4) 50%, transparent 51%),
    radial-gradient(1px 1px at 84% 70%, rgba(255,255,255,.35) 50%, transparent 51%),
    radial-gradient(1px 1px at 40% 82%, rgba(255,255,255,.35) 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 92% 44%, rgba(170,190,220,.35) 50%, transparent 51%),
    radial-gradient(1px 1px at 10% 60%, rgba(255,255,255,.4) 50%, transparent 51%);
}
.starship .section-bg::after {
  background:
    radial-gradient(50% 45% at 85% 12%, rgba(96, 122, 168, .15), transparent 72%),
    radial-gradient(40% 40% at 8% 88%, rgba(52, 66, 100, .12), transparent 72%),
    radial-gradient(1px 1px at 22% 30%, rgba(255,255,255,.5) 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 68% 22%, rgba(190,205,230,.4) 50%, transparent 51%),
    radial-gradient(1px 1px at 84% 70%, rgba(255,255,255,.35) 50%, transparent 51%),
    radial-gradient(1px 1px at 40% 82%, rgba(255,255,255,.35) 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 92% 44%, rgba(170,190,220,.35) 50%, transparent 51%);
}
.starlink .section-bg::after {
  background:
    radial-gradient(55% 45% at 20% 20%, rgba(84, 128, 170, .16), transparent 72%),
    radial-gradient(45% 40% at 90% 85%, rgba(60, 96, 140, .12), transparent 72%),
    radial-gradient(1px 1px at 22% 30%, rgba(255,255,255,.5) 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 68% 22%, rgba(190,205,230,.4) 50%, transparent 51%),
    radial-gradient(1px 1px at 84% 70%, rgba(255,255,255,.35) 50%, transparent 51%),
    radial-gradient(1px 1px at 40% 82%, rgba(255,255,255,.35) 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 92% 44%, rgba(170,190,220,.35) 50%, transparent 51%);
}
.dragon .section-bg::after {
  background:
    radial-gradient(50% 45% at 85% 15%, rgba(110, 100, 150, .14), transparent 72%),
    radial-gradient(40% 40% at 12% 85%, rgba(70, 60, 105, .12), transparent 72%),
    radial-gradient(1px 1px at 22% 30%, rgba(255,255,255,.5) 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 68% 22%, rgba(190,205,230,.4) 50%, transparent 51%),
    radial-gradient(1px 1px at 84% 70%, rgba(255,255,255,.35) 50%, transparent 51%),
    radial-gradient(1px 1px at 40% 82%, rgba(255,255,255,.35) 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 92% 44%, rgba(170,190,220,.35) 50%, transparent 51%);
}
.section-inner {
  position: relative; z-index: 2;
  max-width: 1280px; width: 100%;
  margin: 0 auto;
  padding: clamp(110px, 16vh, 170px) clamp(20px, 5vw, 64px);
}
.section-inner.right { text-align: right; }
.section-inner.full { max-width: 1280px; }
.section-inner.full.center { text-align: center; }

.section-index {
  font-family: var(--font-mono);
  font-size: .72rem; letter-spacing: .34em; color: var(--fg-faint);
  text-transform: uppercase; margin-bottom: 22px;
}
.section-index::before { content: '// '; }

h2 {
  font-size: clamp(2.6rem, 6.4vw, 5.2rem);
  font-weight: 300; letter-spacing: .06em; text-transform: uppercase;
  line-height: 1.05; margin-bottom: 22px;
  text-shadow: 0 0 34px rgba(255,255,255,.07);
}
.section-lead {
  max-width: 560px; font-size: clamp(.95rem, 1.3vw, 1.08rem);
  font-weight: 300; color: #a8a8a8; margin-bottom: 48px;
}
.section-inner.right .section-lead { margin-left: auto; }

.section-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.section-inner.right .section-actions { justify-content: flex-end; }
.section-inner.full.center .section-actions { justify-content: center; }

/* ---------- Hero ---------- */
.hero {
  position: relative; height: 100svh; min-height: 640px;
  display: flex; align-items: center; overflow: hidden;
  background:
    radial-gradient(70% 55% at 78% 18%, rgba(100, 126, 170, .16), transparent 72%),
    radial-gradient(55% 45% at 20% 75%, rgba(58, 72, 108, .12), transparent 72%),
    radial-gradient(40% 30% at 60% 100%, rgba(120, 150, 200, .10), transparent 75%),
    #010204;
}
/* launch-pad horizon glow */
.hero::before {
  content: ''; position: absolute; left: 50%; bottom: -14%; transform: translateX(-50%);
  width: 150%; height: 52%; pointer-events: none;
  background:
    radial-gradient(42% 55% at 50% 100%, rgba(165, 190, 230, .22), rgba(95, 115, 155, .07) 55%, transparent 78%),
    radial-gradient(70% 30% at 50% 100%, rgba(140, 165, 210, .10), transparent 70%);
  filter: blur(1px);
}
/* faint nebula sweep */
.hero::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(1px 1px at 18% 22%, rgba(255,255,255,.7) 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 34% 68%, rgba(180,200,230,.5) 50%, transparent 51%),
    radial-gradient(1px 1px at 52% 12%, rgba(255,255,255,.55) 50%, transparent 51%),
    radial-gradient(2px 2px at 66% 42%, rgba(200,215,240,.45) 50%, transparent 51%),
    radial-gradient(1px 1px at 78% 74%, rgba(255,255,255,.5) 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 88% 18%, rgba(170,190,220,.4) 50%, transparent 51%),
    radial-gradient(1px 1px at 8% 82%, rgba(255,255,255,.4) 50%, transparent 51%),
    radial-gradient(1px 1px at 45% 88%, rgba(200,215,240,.4) 50%, transparent 51%);
}
.hero .grid-lines {
  position: absolute; inset: 0; pointer-events: none; opacity: .35;
  background:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 100px 100px;
  mask-image: radial-gradient(80% 80% at 50% 50%, #000 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(80% 80% at 50% 50%, #000 30%, transparent 100%);
}
.hero-inner {
  position: relative; z-index: 3;
  max-width: 900px;
  padding: clamp(120px, 18vh, 190px) clamp(20px, 5vw, 64px);
}
.hero-kicker {
  font-family: var(--font-mono);
  font-size: .72rem; letter-spacing: .32em; color: var(--fg-faint);
  text-transform: uppercase; margin-bottom: 26px;
}
.hero-kicker::before { content: '● '; color: var(--fg-dim); animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .25; } }

.hero h1 {
  font-size: clamp(2.8rem, 7.6vw, 6.4rem);
  font-weight: 300; letter-spacing: .02em; text-transform: uppercase;
  line-height: 1.0; margin-bottom: 30px;
  text-shadow: 0 0 42px rgba(255,255,255,.09), 0 2px 30px rgba(130, 160, 210, .12);
}
.hero h1 span { color: #b4b4b4; font-weight: 300; }
.hero-sub {
  max-width: 560px; font-size: clamp(.92rem, 1.2vw, 1.05rem);
  font-weight: 300; color: var(--fg-dim); margin-bottom: 40px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 64px; }

.hero-data {
  display: flex; gap: clamp(28px, 5vw, 64px); flex-wrap: wrap;
  border-top: 1px solid var(--line); padding-top: 22px; max-width: 640px;
}
.hero-data div { display: flex; flex-direction: column; gap: 4px; }
.hero-data dt {
  font-family: var(--font-mono); font-size: .62rem; letter-spacing: .26em;
  color: var(--fg-faint); text-transform: uppercase;
}
.hero-data dd {
  font-size: .86rem; letter-spacing: .14em; color: var(--fg-dim);
  display: flex; align-items: center; gap: 8px;
}
.hero-data dd i { width: 7px; height: 7px; border-radius: 50%; background: #9fd49f; display: inline-block; animation: pulse 1.6s ease-in-out infinite; }

/* Hero ship — rocket photo, right side */
.hero-ship {
  position: absolute; z-index: 2;
  right: clamp(-50px, 1vw, 40px); top: 50%;
  transform: translateY(-50%);
  height: min(88vh, 800px); width: auto;
  opacity: .92;
  filter: drop-shadow(0 0 30px rgba(150, 180, 225, .12));
}

/* Hero corner HUD data */
.hero-corner {
  position: absolute; z-index: 4;
  font-family: var(--font-mono); font-size: .62rem; letter-spacing: .2em;
  color: #6f6f6f; text-transform: uppercase;
  display: flex; flex-direction: column; gap: 2px;
  pointer-events: none;
}
.corner-tl { top: calc(96px + env(safe-area-inset-top)); left: clamp(20px, 4vw, 56px); }
.corner-tr { top: calc(96px + env(safe-area-inset-top)); right: clamp(20px, 4vw, 56px); text-align: right; }
.corner-bl { bottom: 78px; left: clamp(20px, 4vw, 56px); }
.corner-br { bottom: 78px; right: clamp(20px, 4vw, 56px); text-align: right; }

.scroll-hint {
  position: absolute; z-index: 4;
  bottom: 80px; left: 50%; transform: translateX(-50%);
  font-size: .66rem; letter-spacing: .3em; color: var(--fg-dim);
  text-transform: uppercase; display: flex; flex-direction: column; align-items: center; gap: 8px;
  transition: color .25s;
}
.scroll-hint:hover { color: var(--fg); }
.scroll-hint span { animation: bob 1.6s ease-in-out infinite; }
@keyframes bob { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(6px); } }

/* ---------- Telemetry strip (hero bottom) ---------- */
.telemetry {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 4;
  border-top: 1px solid var(--line);
  background: rgba(0, 0, 0, .5);
  overflow: hidden; white-space: nowrap;
}
.telemetry-track {
  display: inline-flex; align-items: center; gap: 26px; width: max-content;
  padding: 9px 0;
  font-family: var(--font-mono); font-size: .64rem; letter-spacing: .18em; color: #5f5f5f;
  animation: telemetry 46s linear infinite;
}
.telemetry-track i { font-style: normal; color: #3d3d3d; }
.telemetry-track span b { color: #a5a5a5; font-weight: 400; }
@keyframes telemetry { to { transform: translateX(-50%); } }

/* ---------- Block graphics ---------- */
.block-ship, .block-sat, .block-dragon {
  position: absolute; z-index: 1; pointer-events: none;
}
.block-ship { right: clamp(-30px, 6vw, 120px); top: 50%; transform: translateY(-50%); height: min(66vh, 560px); color: rgba(255,255,255,.22); filter: drop-shadow(0 0 18px rgba(150,180,225,.1)); }
.block-sat {
  left: clamp(0px, 4vw, 70px); top: 50%; transform: translateY(-50%);
  width: min(46vw, 540px); color: rgba(255,255,255,.2);
  filter: drop-shadow(0 0 16px rgba(140,170,215,.1));
}
.block-dragon { right: clamp(-30px, 6vw, 140px); top: 50%; transform: translateY(-50%); height: min(62vh, 520px); color: rgba(255,255,255,.15); filter: drop-shadow(0 0 18px rgba(150,180,225,.1)); }

/* ---------- Specs ---------- */
.spec-grid {
  display: grid; grid-template-columns: repeat(4, auto); gap: clamp(24px, 4vw, 64px);
  margin-bottom: 52px;
}
.spec-grid.slim { grid-template-columns: repeat(3, auto); }
.section-inner.right .spec-grid { justify-content: flex-end; }
.section-inner.right .spec-grid .spec { text-align: right; }
.spec { display: flex; align-items: baseline; gap: 6px; flex-wrap: wrap; border-top: 1px solid var(--line); padding-top: 18px; min-width: 120px; }
.spec-num { font-family: var(--font-display); font-size: clamp(1.8rem, 3vw, 2.6rem); font-weight: 300; letter-spacing: .02em; text-shadow: 0 0 26px rgba(255,255,255,.08); }
.spec-unit { font-size: .88rem; color: var(--fg-dim); letter-spacing: .08em; }
.spec-label {
  width: 100%; margin-top: 4px; font-size: .66rem; letter-spacing: .26em;
  color: #6a6a6a; text-transform: uppercase;
}

/* ---------- Launches ---------- */
.launches { align-items: flex-start; }
.launch-list {
  margin: 8px 0 44px; border-top: 1px solid var(--line);
}
.launch {
  display: grid;
  grid-template-columns: 110px 1fr auto auto;
  align-items: center; gap: clamp(16px, 3vw, 40px);
  padding: 22px 8px 22px 18px; border-bottom: 1px solid var(--line);
  border-left: 2px solid transparent;
  transition: background .25s, border-left-color .25s;
}
.launch:hover { background: rgba(255, 255, 255, .035); border-left-color: #8a8a8a; }
.launch-date { display: flex; align-items: baseline; gap: 6px; font-family: var(--font-mono); }
.launch-date span { font-size: .62rem; letter-spacing: .24em; color: var(--fg-faint); }
.launch-date b { font-size: 1.7rem; font-weight: 300; letter-spacing: .04em; }
.launch-date small { font-size: .62rem; color: var(--fg-faint); letter-spacing: .1em; }
.launch-info h3 { font-size: 1rem; font-weight: 500; letter-spacing: .14em; text-transform: uppercase; margin-bottom: 3px; }
.launch-info p { font-size: .8rem; color: var(--fg-dim); font-weight: 300; }
.launch-status span {
  font-family: var(--font-mono); font-size: .66rem; letter-spacing: .22em;
  border: 1px solid var(--line); padding: 5px 12px; color: var(--fg-dim);
}
.launch-status span:first-letter { color: var(--fg); }

/* ---------- Stats ---------- */
.stats-section { align-items: center; }
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(20px, 4vw, 48px);
  margin-top: 52px;
}
.stat { border-top: 1px solid var(--line); padding-top: 22px; text-align: left; }
.stat-num {
  display: block; font-family: var(--font-display);
  font-size: clamp(2.6rem, 5.4vw, 4.4rem); font-weight: 300;
  letter-spacing: .02em; line-height: 1;
  text-shadow: 0 0 30px rgba(255,255,255,.08);
}
.stat-num::after { content: '+'; color: var(--fg-dim); font-size: .6em; }
.stat-label {
  display: block; margin-top: 10px; font-size: .68rem; letter-spacing: .26em;
  color: #7a7a7a; text-transform: uppercase;
}

/* ---------- Reveal (FadeContent-style: fade + rise + unblur) ---------- */
.reveal {
  opacity: 0; transform: translateY(26px);
  filter: blur(7px);
  transition: opacity .9s ease, transform .9s ease, filter .9s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); filter: blur(0); }

/* ---------- Contract ---------- */
.contract-section { text-align: center; }
.center-lead { margin-left: auto; margin-right: auto; }
.contract-box {
  max-width: 780px; margin: 0 auto 34px;
  border: 1px solid var(--line); padding: 28px 30px 24px;
  background: rgba(255, 255, 255, .02);
}
.contract-meta {
  display: flex; justify-content: center; align-items: center; gap: 12px; flex-wrap: wrap;
  font-family: var(--font-mono); font-size: .64rem; letter-spacing: .2em;
  color: #7a7a7a; text-transform: uppercase; margin-bottom: 18px;
}
.contract-meta .dot { width: 3px; height: 3px; border-radius: 50%; background: #555; }
.contract-box code {
  display: block; font-family: var(--font-mono);
  font-size: clamp(.8rem, 1.8vw, 1.15rem); letter-spacing: .05em;
  color: var(--fg); word-break: break-all; margin-bottom: 22px;
}
.copy-btn { margin: 0 auto; display: inline-flex; }
.contract-tools {
  display: flex; justify-content: center; gap: 14px; flex-wrap: wrap;
}

/* ---------- Footer social ---------- */
.footer-social {
  display: flex; justify-content: center; gap: 12px;
  margin: -14px 0 34px;
}
.footer-social a {
  width: 44px; height: 44px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--line); color: #b5b5b5;
  transition: color .25s, border-color .25s, background .25s;
}
.footer-social a:hover {
  color: var(--fg); border-color: var(--fg); background: rgba(255, 255, 255, .05);
}

/* ---------- Footer ---------- */
footer {
  border-top: 1px solid var(--line);
  background:
    radial-gradient(60% 50% at 50% 0%, rgba(90, 110, 150, .08), transparent 75%),
    linear-gradient(180deg, #05070d, #000);
  padding: clamp(48px, 6vw, 80px) clamp(20px, 5vw, 64px) 30px;
}
.footer-top {
  display: flex; justify-content: space-between; align-items: center;
  gap: 24px; flex-wrap: wrap; margin-bottom: 34px;
}
.footer-brand { height: 24px; width: auto; display: block; }
.footer-links { display: flex; gap: clamp(16px, 2.4vw, 32px); flex-wrap: wrap; }
.footer-links a {
  font-size: .74rem; letter-spacing: .22em; text-transform: uppercase; color: var(--fg-dim);
  transition: color .25s;
}
.footer-links a:hover { color: var(--fg); }
.footer-note {
  max-width: 640px; font-size: .74rem; font-weight: 300; color: var(--fg-faint);
  line-height: 1.7; margin-bottom: 40px;
}
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap;
  border-top: 1px solid var(--line); padding-top: 22px;
  font-family: var(--font-mono); font-size: .62rem; letter-spacing: .22em;
  color: var(--fg-faint); text-transform: uppercase;
}

/* ---------- Toast ---------- */
.toast {
  position: fixed; bottom: 26px; left: 50%; transform: translate(-50%, 80px);
  background: var(--fg); color: var(--bg);
  font-size: .8rem; letter-spacing: .12em;
  padding: 12px 22px; z-index: 200; opacity: 0;
  transition: transform .35s cubic-bezier(.2, 1.4, .4, 1), opacity .35s;
}
.toast.show { transform: translate(-50%, 0); opacity: 1; }

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  html { scroll-behavior: auto; }
}

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .desktop-nav { display: none; }
  .menu { display: flex; }
  .header-link { display: none; }
  .hero-ship { right: -90px; opacity: .8; }
  .block-ship { right: -120px; opacity: .4; }
  .block-dragon { right: -120px; opacity: .4; }
  .block-sat { width: 88vw; opacity: .5; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-corner { display: none; }
  .scroll-hint { display: none; }
}

@media (max-width: 640px) {
  .section-inner, .hero-inner { padding-inline: 22px; }
  .hero { min-height: 600px; }
  .hero h1 { font-size: clamp(2.1rem, 10.2vw, 2.6rem); }
  .hero-ship { display: none; }
  .telemetry { display: none; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .hero-data { gap: 22px; }
  .hero-data dd { font-size: .78rem; }
  .spec-grid, .spec-grid.slim { grid-template-columns: repeat(2, 1fr); }
  .section-inner.right { text-align: left; }
  .section-inner.right .section-actions { justify-content: flex-start; }
  .section-inner.right .section-lead { margin-left: 0; }
  .launch { grid-template-columns: 84px 1fr; }
  .launch-status, .launch .btn { display: none; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 18px; }
  .stat-num { font-size: 2.6rem; }
  .section-actions .btn { flex: 1; }
}