/* ============================================================
   DYSON PROTOCOL — marketing site
   Design language: solar-engineering schematic / HUD console.
   Palette: void black, stellar amber, lattice cyan, nebula violet.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Big+Shoulders+Display:wght@600;700;800&family=IBM+Plex+Sans:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root{
  --void:        #06070c;
  --void-2:      #0b0e17;
  --void-3:      #11141f;
  --line:        #232838;
  --sun:         #ffb238;
  --sun-hot:     #ffe0a0;
  --cyan:        #4be8da;
  --cyan-dim:    #2a5a58;
  --nebula:      #8a6fd1;
  --text:        #e9e7e2;
  --text-dim:    #9497a6;
  --text-faint:  #5c6070;

  --display: 'Big Shoulders Display', sans-serif;
  --body: 'IBM Plex Sans', sans-serif;
  --mono: 'IBM Plex Mono', monospace;

  --max: 1180px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *{ animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

body{
  margin: 0;
  background: var(--void);
  color: var(--text);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* faint starfield wash behind everything */
body{
  background-image:
    radial-gradient(1px 1px at 20% 30%, rgba(233,231,226,0.5) 0, transparent 60%),
    radial-gradient(1px 1px at 70% 15%, rgba(233,231,226,0.35) 0, transparent 60%),
    radial-gradient(1px 1px at 85% 60%, rgba(233,231,226,0.4) 0, transparent 60%),
    radial-gradient(1px 1px at 40% 80%, rgba(233,231,226,0.3) 0, transparent 60%),
    radial-gradient(1px 1px at 10% 65%, rgba(233,231,226,0.4) 0, transparent 60%),
    radial-gradient(1px 1px at 60% 45%, rgba(233,231,226,0.25) 0, transparent 60%);
  background-repeat: no-repeat;
  background-size: 100% 2400px;
}

a{ color: inherit; text-decoration: none; }
img{ max-width: 100%; display: block; }
h1,h2,h3{ font-family: var(--display); font-weight: 800; text-transform: uppercase; letter-spacing: 0.01em; margin: 0; }

.wrap{ max-width: var(--max); margin: 0 auto; padding: 0 28px; }
.mono{ font-family: var(--mono); }

/* ---------- nav ---------- */
.nav{
  position: sticky; top: 0; z-index: 50;
  background: rgba(6,7,12,0.72);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s ease, background .3s ease;
}
.nav.scrolled{ border-bottom-color: var(--line); background: rgba(6,7,12,0.92); }
.nav .wrap{ display:flex; align-items:center; justify-content:space-between; height: 68px; }
.brand{ display:flex; align-items:center; gap:10px; font-family: var(--display); font-weight:800; font-size: 1.15rem; letter-spacing: 0.03em; }
.brand img{ width: 30px; height: 30px; border-radius: 7px; }
.navlinks{ display:flex; gap: 28px; align-items:center; }
.navlinks a{ font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-dim); transition: color .2s ease; }
.navlinks a:hover{ color: var(--cyan); }
.nav-cta{ border:1px solid var(--cyan-dim); color: var(--cyan) !important; padding: 8px 16px; border-radius: 2px; }
.nav-cta:hover{ background: rgba(75,232,218,0.08); border-color: var(--cyan); }
.nav-toggle{ display:none; background:none; border:1px solid var(--line); color:var(--text); width:40px; height:40px; align-items:center; justify-content:center; }

/* ---------- hero ---------- */
.hero{
  position: relative;
  padding: 64px 0 0;
  overflow: hidden;
}
.hero-glow{
  position:absolute; top: -220px; right: -160px; width: 640px; height: 640px;
  background: radial-gradient(circle, rgba(255,178,56,0.22) 0%, rgba(138,111,209,0.10) 45%, transparent 70%);
  filter: blur(10px);
  pointer-events:none;
}
.hero .wrap{ position:relative; display:grid; grid-template-columns: 1.05fr 0.95fr; gap: 48px; align-items:center; padding-top: 24px; padding-bottom: 40px;}
.eyebrow{
  font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--cyan); display:flex; align-items:center; gap:10px; margin-bottom: 18px;
}
.eyebrow::before{ content:''; width: 22px; height:1px; background: var(--cyan); display:inline-block; }
.hero h1{
  font-size: clamp(2.8rem, 6vw, 4.6rem);
  line-height: 0.96;
  background: linear-gradient(180deg, #fff 0%, var(--sun-hot) 55%, var(--sun) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-sub{ font-family: var(--body); font-size: 1.15rem; color: var(--text); margin-top: 20px; max-width: 46ch; font-weight: 500;}
.hero-desc{ color: var(--text-dim); margin-top: 14px; max-width: 48ch; font-size: 0.98rem; }
.hero-ctas{ display:flex; gap: 14px; margin-top: 32px; flex-wrap: wrap; }
.btn{
  font-family: var(--mono); font-size: 0.82rem; letter-spacing: 0.06em; text-transform: uppercase;
  padding: 14px 26px; border-radius: 2px; display:inline-flex; align-items:center; gap:10px;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
  border: 1px solid transparent;
}
.btn-primary{ background: var(--sun); color: #1a1204; font-weight: 600; }
.btn-primary:hover{ transform: translateY(-2px); box-shadow: 0 10px 26px -8px rgba(255,178,56,0.5); }
.btn-ghost{ border-color: var(--line); color: var(--text); }
.btn-ghost:hover{ border-color: var(--cyan); color: var(--cyan); }

.hero-art{ position:relative; }
.hero-art .frame{
  position: relative; border: 1px solid var(--line); border-radius: 4px; overflow:hidden;
  box-shadow: 0 30px 80px -30px rgba(0,0,0,0.8);
}
.hero-art img{ width:100%; height:auto; display:block; }
.corner{ position:absolute; width:16px; height:16px; border: 1.5px solid var(--cyan); opacity:0.85; }
.corner.tl{ top:-1px; left:-1px; border-right:none; border-bottom:none; }
.corner.tr{ top:-1px; right:-1px; border-left:none; border-bottom:none; }
.corner.bl{ bottom:-1px; left:-1px; border-right:none; border-top:none; }
.corner.br{ bottom:-1px; right:-1px; border-left:none; border-top:none; }
.hero-tag{
  position:absolute; bottom: 14px; left: 14px; background: rgba(6,7,12,0.78); border:1px solid var(--line);
  font-family: var(--mono); font-size: 0.68rem; color: var(--cyan); padding: 6px 10px; letter-spacing:0.06em;
}

/* ---------- section shared ---------- */
section{ padding: 96px 0; position: relative; }
.section-head{ max-width: 640px; margin-bottom: 48px; }
.section-head .eyebrow{ margin-bottom: 14px; }
.section-head h2{ font-size: clamp(2rem, 4vw, 2.7rem); line-height: 1.02; }
.section-head p{ color: var(--text-dim); margin-top: 16px; font-size: 1.02rem; }
.divider{ height:1px; background: linear-gradient(90deg, transparent, var(--line) 20%, var(--line) 80%, transparent); }

/* ---------- mission ---------- */
.mission-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start;}
.mission-body p{ color: var(--text-dim); margin: 0 0 16px; }
.mission-body strong{ color: var(--text); }
.stat-strip{ display:grid; grid-template-columns: repeat(3,1fr); gap: 1px; background: var(--line); border:1px solid var(--line); margin-top: 8px;}
.stat{ background: var(--void-2); padding: 20px 18px; }
.stat b{ display:block; font-family: var(--display); font-size: 1.8rem; color: var(--sun); }
.stat span{ font-family: var(--mono); font-size: 0.68rem; letter-spacing:0.08em; text-transform:uppercase; color: var(--text-faint); }

/* ---------- features ---------- */
.feature-grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.feature{ background: var(--void-2); padding: 30px 26px; position:relative; transition: background .25s ease; }
.feature:hover{ background: var(--void-3); }
.feature .num{ font-family: var(--mono); color: var(--text-faint); font-size: 0.72rem; letter-spacing:0.08em; }
.feature h3{ font-family: var(--display); font-size: 1.25rem; margin: 14px 0 10px; text-transform: uppercase; color: var(--text); }
.feature p{ color: var(--text-dim); font-size: 0.92rem; margin: 0; }
.feature::before{ content:''; position:absolute; top:0; left:0; width: 2px; height: 0; background: var(--cyan); transition: height .25s ease; }
.feature:hover::before{ height: 100%; }

/* ---------- build log / signature sphere ---------- */
.buildlog{ background: var(--void-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.buildlog .wrap{ display:grid; grid-template-columns: 0.9fr 1.1fr; gap: 56px; align-items:center; }
.sphere-wrap{ display:flex; align-items:center; justify-content:center; position:relative; }
.sphere-caption{ margin-top: 18px; text-align:center; font-family: var(--mono); font-size: 0.72rem; color: var(--text-faint); letter-spacing: 0.06em; }
.seg-list{ margin-top: 28px; }
.seg-row{ display:flex; align-items:center; gap: 14px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.seg-row:last-child{ border-bottom:none; }
.seg-row .idx{ font-family: var(--mono); font-size: 0.75rem; color: var(--cyan); width: 34px; }
.seg-row .label{ flex:1; font-size: 0.92rem; color: var(--text); }
.seg-row .val{ font-family: var(--mono); font-size: 0.72rem; color: var(--text-faint); }

/* ---------- controls ---------- */
.controls-grid{ display:grid; grid-template-columns: repeat(2,1fr); gap: 1px; background: var(--line); border:1px solid var(--line); }
.ctrl{ background: var(--void-2); padding: 28px; }
.ctrl h3{ font-family: var(--display); font-size: 1.1rem; color: var(--cyan); margin-bottom: 8px; }
.ctrl p{ color: var(--text-dim); font-size: 0.92rem; margin:0; }

/* ---------- solana ---------- */
.solana{ position:relative; }
.solana-panel{
  border: 1px solid var(--line); background: linear-gradient(135deg, rgba(138,111,209,0.08), rgba(75,232,218,0.04));
  padding: 44px; display:grid; grid-template-columns: 1.2fr 0.8fr; gap: 40px; align-items:center;
}
.solana-panel h2{ font-size: clamp(1.7rem,3vw,2.2rem); }
.solana-panel p{ color: var(--text-dim); margin-top:14px; }
.wallet-badges{ display:flex; gap: 10px; flex-wrap:wrap; margin-top: 18px; }
.wallet-badge{ font-family: var(--mono); font-size: 0.72rem; border:1px solid var(--line); padding: 8px 14px; color: var(--text-dim); }
.solana-security{ border-left: 2px solid var(--cyan); padding-left: 18px; }
.solana-security b{ display:block; color: var(--cyan); font-family: var(--mono); font-size: 0.72rem; letter-spacing:0.08em; text-transform:uppercase; margin-bottom:8px; }
.solana-security span{ color: var(--text-dim); font-size: 0.9rem; }

/* ---------- footer ---------- */
footer{ border-top: 1px solid var(--line); padding: 56px 0 32px; }
.footer-grid{ display:grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 40px; margin-bottom: 40px;}
.footer-brand{ display:flex; align-items:center; gap:10px; font-family: var(--display); font-weight:800; font-size:1.1rem; margin-bottom: 12px;}
.footer-brand img{ width:26px; height:26px; border-radius:6px; }
.footer-col h4{ font-family: var(--mono); font-size: 0.7rem; letter-spacing:0.1em; text-transform:uppercase; color: var(--text-faint); margin: 0 0 14px; }
.footer-col a, .footer-col p{ display:block; color: var(--text-dim); font-size: 0.9rem; margin-bottom: 10px; }
.footer-col a:hover{ color: var(--cyan); }
.footer-bottom{ display:flex; justify-content:space-between; align-items:center; padding-top: 24px; border-top:1px solid var(--line); flex-wrap:wrap; gap: 12px; }
.footer-bottom p{ color: var(--text-faint); font-size: 0.78rem; font-family: var(--mono); margin:0; }

/* ---------- reveal on scroll ---------- */
.reveal{ opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in{ opacity: 1; transform: translateY(0); }

/* ---------- legal pages ---------- */
.legal-hero{ padding: 56px 0 32px; border-bottom: 1px solid var(--line); }
.legal-hero .eyebrow{ margin-bottom: 14px; }
.legal-hero h1{ font-size: clamp(2rem, 4vw, 2.8rem); }
.legal-hero .updated{ font-family: var(--mono); color: var(--text-faint); font-size: 0.8rem; margin-top: 14px; }
.legal-body{ padding: 56px 0 100px; max-width: 780px; }
.legal-body h2{
  font-family: var(--display); font-size: 1.3rem; color: var(--sun); text-transform: uppercase;
  margin-top: 44px; margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid var(--line);
}
.legal-body h2:first-child{ margin-top: 0; }
.legal-body p{ color: var(--text-dim); margin: 0 0 14px; }
.legal-body ul{ color: var(--text-dim); margin: 0 0 14px; padding-left: 20px; }
.legal-body li{ margin-bottom: 8px; }
.legal-body strong{ color: var(--text); }
.legal-body a{ color: var(--cyan); border-bottom: 1px solid var(--cyan-dim); }
.legal-note{ font-family: var(--mono); font-size: 0.8rem; color: var(--text-faint); border-left: 2px solid var(--line); padding-left: 16px; margin-top: 32px; }

/* ---------- responsive ---------- */
@media (max-width: 900px){
  .navlinks{
    display: none;
    position: absolute; top: 68px; left: 0; right: 0;
    flex-direction: column; align-items: flex-start; gap: 0;
    background: rgba(6,7,12,0.97); border-bottom: 1px solid var(--line);
    padding: 8px 28px 20px;
  }
  .navlinks.open{ display: flex; }
  .navlinks a{ padding: 12px 0; width: 100%; border-bottom: 1px solid var(--line); }
  .navlinks a:last-child{ border-bottom: none; }
  .nav-cta{ margin-top: 8px; text-align: center; }
  .nav-toggle{ display:flex; }
  .hero .wrap{ grid-template-columns: 1fr; padding-top: 8px; }
  .hero-art{ order: -1; }
  .mission-grid{ grid-template-columns: 1fr; }
  .feature-grid{ grid-template-columns: 1fr; }
  .buildlog .wrap{ grid-template-columns: 1fr; }
  .controls-grid{ grid-template-columns: 1fr; }
  .solana-panel{ grid-template-columns: 1fr; padding: 28px; }
  .footer-grid{ grid-template-columns: 1fr; gap: 28px; }
  .stat-strip{ grid-template-columns: 1fr; }
}