/* Gridiron Science — shared homepage layout, built on the GridironDS tokens.
   Linked alongside styles.css (which carries the @gridiron/ds tokens + fonts). */

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--gds-disp);
  color:var(--gds-ink);
  background:var(--gds-bg);
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit}
img{max-width:100%;display:block}
.wrap{max-width:1200px;margin:0 auto;padding:0 28px}
.mono{font-family:var(--gds-mono)}

/* ambient instrument grid backdrop */
body.grid-bg::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:linear-gradient(var(--gds-line) 1px,transparent 1px),linear-gradient(90deg,var(--gds-line) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 90% 60% at 50% 0%,#000 0%,transparent 75%);
}
main,.site-nav,.foot{position:relative;z-index:1}

/* NAV */
.site-nav{position:sticky;top:0;z-index:50;
  display:flex;align-items:center;gap:26px;height:64px;padding:0 28px;
  background:rgba(8,13,24,.72);backdrop-filter:blur(12px);border-bottom:1px solid var(--gds-border)}
.brand{display:flex;align-items:center;gap:10px;font-weight:900;letter-spacing:.02em;font-size:1.05rem;text-decoration:none;color:var(--gds-ink)}
.brand .mk{width:18px;height:18px;border-radius:4px;background:linear-gradient(135deg,var(--gds-cyan),var(--gds-green));box-shadow:0 0 16px rgba(63,224,200,.5)}
.brand i{color:var(--gds-cyan);font-style:normal}
.nav-links{display:flex;gap:2px;margin-left:auto}
.nav-links a{font-family:var(--gds-mono);font-size:.74rem;letter-spacing:.06em;text-transform:uppercase;
  color:var(--gds-muted);text-decoration:none;padding:8px 11px;border-radius:7px;transition:color .18s}
.nav-links a:hover{color:var(--gds-ink)}
.nav-cta{margin-left:14px}

/* buttons */
.btn{font-family:var(--gds-mono);font-size:.8rem;letter-spacing:.04em;text-transform:uppercase;font-weight:600;
  text-decoration:none;border:0;cursor:pointer;border-radius:9px;padding:12px 20px;display:inline-flex;gap:8px;align-items:center;
  transition:box-shadow .25s,transform .15s,border-color .2s,color .2s}
.btn--primary{background:var(--gds-cyan);color:#04140f}
.btn--primary:hover{box-shadow:0 8px 28px rgba(63,224,200,.38);transform:translateY(-2px)}
.btn--ghost{background:transparent;color:var(--gds-ink);border:1px solid var(--gds-border)}
.btn--ghost:hover{border-color:var(--gds-cyan);color:var(--gds-cyan)}

/* badges */
.badge{font-family:var(--gds-mono);font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;
  border:1px solid var(--gds-border);border-radius:20px;padding:3px 10px;display:inline-block}
.badge--cyan{color:var(--gds-cyan)} .badge--magenta{color:var(--gds-magenta)} .badge--green{color:var(--gds-green)} .badge--muted{color:var(--gds-muted)} .badge--amber{color:var(--gds-amber)}

/* section header */
.sechead__k{font-family:var(--gds-mono);font-size:.74rem;letter-spacing:.2em;text-transform:uppercase;color:var(--gds-magenta);margin-bottom:14px}
.sechead__t{font-size:clamp(1.8rem,3.6vw,2.7rem);font-weight:900;letter-spacing:-.025em;max-width:20ch;line-height:1.06;margin:0 0 12px}
.sechead__s{color:var(--gds-muted);max-width:60ch;margin:0;font-size:1rem}

section{padding:clamp(64px,9vw,120px) 0}
.divline{height:1px;background:var(--gds-border);max-width:1200px;margin:0 auto}

/* HERO (A) */
.hero{padding-top:clamp(48px,7vw,84px);padding-bottom:clamp(56px,8vw,96px)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,5vw,72px);align-items:center}
.hero h1{font-size:clamp(2.4rem,5.4vw,4rem);font-weight:900;letter-spacing:-.035em;line-height:1.0;margin:18px 0 0}
.hero h1 .em{color:var(--gds-cyan)}
.hero .lede{color:var(--gds-muted);font-size:clamp(1rem,1.5vw,1.18rem);max-width:48ch;margin:22px 0 0;line-height:1.6}
.hero .lede b{color:var(--gds-ink);font-weight:600}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.hero-meta{display:flex;gap:22px;flex-wrap:wrap;margin-top:30px;font-family:var(--gds-mono);font-size:.72rem;color:var(--gds-muted);letter-spacing:.04em}
.hero-meta span{display:inline-flex;align-items:center;gap:7px}
.dot{width:6px;height:6px;border-radius:50%;background:var(--gds-green);box-shadow:0 0 8px var(--gds-green)}

/* COORDINATOR DNA instrument panel */
.instrument{background:linear-gradient(180deg,rgba(13,25,50,.92),rgba(8,13,24,.92));
  border:1px solid var(--gds-border);border-radius:16px;padding:20px;position:relative;overflow:hidden;
  box-shadow:0 40px 90px -50px rgba(0,0,0,.9)}
.instrument::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(120% 80% at 100% 0%,rgba(63,224,200,.08),transparent 55%)}
.inst-head{position:relative;font-family:var(--gds-mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--gds-muted);
  display:flex;justify-content:space-between;align-items:center;margin-bottom:6px;padding-bottom:12px;border-bottom:1px solid var(--gds-border)}
.inst-head b{color:var(--gds-cyan);font-weight:600}
.inst-sub{position:relative;font-family:var(--gds-mono);font-size:.62rem;letter-spacing:.1em;text-transform:uppercase;color:var(--gds-muted);
  display:flex;gap:16px;padding:10px 0 12px}
.inst-sub .lg{display:inline-flex;align-items:center;gap:6px}
.swatch{width:9px;height:9px;border-radius:2px}
.sw-pass{background:var(--gds-cyan)} .sw-run{background:var(--gds-amber)}
.crow{position:relative;display:grid;grid-template-columns:88px 1fr 52px;gap:12px;align-items:center;padding:8px 0;font-family:var(--gds-mono)}
.crow + .crow{border-top:1px solid rgba(22,38,74,.55)}
.crow .sit{font-size:.78rem;color:var(--gds-ink)}
.splitbar{height:8px;border-radius:4px;overflow:hidden;display:flex;background:rgba(255,210,74,.18)}
.splitbar i{display:block;height:100%;background:linear-gradient(90deg,var(--gds-cyan),var(--gds-green))}
.crow .pr{font-size:.62rem;color:var(--gds-muted);letter-spacing:.02em;margin-top:5px;display:flex;justify-content:space-between}
.crow .epa{text-align:right;font-weight:600;font-size:.84rem}
.epa.pos{color:var(--gds-green)} .epa.neg{color:var(--gds-magenta)}
.inst-foot{position:relative;font-family:var(--gds-mono);font-size:.62rem;color:var(--gds-muted);margin-top:6px;padding-top:12px;border-top:1px solid var(--gds-border);line-height:1.6}

/* STAT BAND */
.statband{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat{background:var(--gds-panel);border:1px solid var(--gds-border);border-radius:12px;padding:18px 20px}
.stat .v{font-family:var(--gds-mono);font-weight:600;font-size:clamp(1.4rem,2.3vw,1.9rem);line-height:1.05}
.stat .v.cyan{color:var(--gds-cyan)} .stat .v.green{color:var(--gds-green)}
.stat .l{font-size:.82rem;color:var(--gds-muted);margin-top:6px}

/* PILLAR GRID */
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:44px}
.pillar{background:var(--gds-panel);border:1px solid var(--gds-border);border-radius:14px;padding:26px 24px;
  transition:transform .2s,border-color .2s;display:flex;flex-direction:column}
.pillar:hover{transform:translateY(-4px);border-color:rgba(63,224,200,.45)}
.pillar .n{font-family:var(--gds-mono);font-size:.72rem;color:var(--gds-cyan);letter-spacing:.1em;margin-bottom:18px;display:flex;justify-content:space-between;align-items:center}
.pillar h3{font-size:1.18rem;font-weight:800;margin:0 0 10px;letter-spacing:-.015em}
.pillar p{font-size:.92rem;color:var(--gds-muted);line-height:1.6;margin:0;flex:1}
.pillar .stat-line{font-family:var(--gds-mono);font-size:.74rem;color:var(--gds-green);margin-top:18px;font-weight:600}

/* COACH DEEP-DIVE */
.deep{display:grid;grid-template-columns:1fr 1.15fr;gap:clamp(32px,5vw,64px);align-items:center}
.deep-points{list-style:none;padding:0;margin:26px 0 0;display:flex;flex-direction:column;gap:18px}
.deep-points li{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:start}
.deep-points .ix{font-family:var(--gds-mono);font-size:.72rem;color:var(--gds-cyan);border:1px solid var(--gds-border);border-radius:6px;padding:4px 8px;letter-spacing:.08em}
.deep-points h4{margin:0 0 4px;font-size:1rem;font-weight:700}
.deep-points p{margin:0;font-size:.9rem;color:var(--gds-muted);line-height:1.55}

/* FIGURE / RENDER */
.figure{background:linear-gradient(180deg,var(--gds-panel),rgba(8,13,24,.6));border:1px solid var(--gds-border);border-radius:14px;overflow:hidden;
  display:flex;flex-direction:column;transition:transform .2s,border-color .2s,box-shadow .2s}
.figure:hover{transform:translateY(-4px);border-color:rgba(63,224,200,.5);box-shadow:0 22px 50px -28px rgba(0,0,0,.8)}
.figure .frame{aspect-ratio:16/10;position:relative;background:
  repeating-linear-gradient(135deg,rgba(63,224,200,.05) 0 10px,transparent 10px 20px),var(--gds-bg2);
  display:flex;align-items:center;justify-content:center}
.figure .frame img{width:100%;height:100%;object-fit:cover}
.figure .frame .ph{position:absolute;font-family:var(--gds-mono);font-size:.66rem;color:var(--gds-muted);letter-spacing:.08em;text-align:center;padding:0 18px}
.figure .cap{padding:18px 20px}
.figure .cap .tag{font-family:var(--gds-mono);font-size:.64rem;letter-spacing:.12em;text-transform:uppercase;color:var(--gds-cyan)}
.figure .cap h4{margin:8px 0 6px;font-size:1.02rem;font-weight:800;letter-spacing:-.01em}
.figure .cap p{margin:0;font-size:.86rem;color:var(--gds-muted);line-height:1.55}
.render-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:44px}

/* VALIDATION */
.valgrid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,4vw,52px);align-items:center}
.honest{background:linear-gradient(120deg,rgba(255,77,141,.07),rgba(63,224,200,.06));border:1px solid var(--gds-border);
  border-radius:18px;padding:38px}
.honest h3{font-size:clamp(1.3rem,2.4vw,1.8rem);font-weight:900;letter-spacing:-.02em;margin:0 0 14px;line-height:1.12}
.honest h3 .u{border-bottom:3px solid var(--gds-magenta)}
.honest p{color:var(--gds-muted);margin:0;font-size:.95rem;line-height:1.6}
.telem{background:linear-gradient(180deg,rgba(13,25,50,.9),rgba(8,13,24,.9));border:1px solid var(--gds-border);border-radius:16px;padding:22px}
.telem .th{font-family:var(--gds-mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--gds-muted);
  display:flex;justify-content:space-between;margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--gds-border)}
.telem .th b{color:var(--gds-cyan)}
.trow{display:grid;grid-template-columns:1fr 92px 56px;align-items:center;gap:12px;padding:9px 0;font-family:var(--gds-mono)}
.trow .lab{font-size:.84rem;color:var(--gds-ink)}
.trow .bar{height:5px;border-radius:3px;background:rgba(63,224,200,.12);overflow:hidden}
.trow .bar i{display:block;height:100%;background:linear-gradient(90deg,var(--gds-cyan),var(--gds-green));border-radius:3px}
.trow .val{text-align:right;font-weight:600;font-size:.9rem;color:var(--gds-green)}
.telem .foot{font-family:var(--gds-mono);font-size:.64rem;color:var(--gds-muted);margin-top:12px;padding-top:12px;border-top:1px solid var(--gds-border);line-height:1.6}

/* TIMELINE */
.timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:48px;position:relative}
.tl{background:var(--gds-panel);border:1px solid var(--gds-border);border-radius:14px;padding:26px 24px;position:relative}
.tl .yr{font-family:var(--gds-mono);font-size:.78rem;letter-spacing:.1em;color:var(--gds-cyan);margin-bottom:14px}
.tl .yr.now{color:var(--gds-green)}
.tl h4{margin:0 0 10px;font-size:1.14rem;font-weight:800;letter-spacing:-.01em}
.tl p{margin:0;font-size:.9rem;color:var(--gds-muted);line-height:1.6}

/* EARLY ACCESS */
.access{background:linear-gradient(180deg,rgba(13,25,50,.7),rgba(8,13,24,.4));border:1px solid var(--gds-border);border-radius:22px;
  padding:clamp(36px,5vw,60px);display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,60px);align-items:center}
.access h2{font-size:clamp(1.7rem,3vw,2.4rem);font-weight:900;letter-spacing:-.025em;margin:14px 0 0;line-height:1.08;max-width:16ch}
.access p{color:var(--gds-muted);margin:18px 0 0;font-size:.96rem;line-height:1.6;max-width:46ch}
.form{display:flex;flex-direction:column;gap:14px}
.field label{display:block;font-family:var(--gds-mono);font-size:.64rem;letter-spacing:.14em;text-transform:uppercase;color:var(--gds-muted);margin-bottom:7px}
.field input{width:100%;background:var(--gds-bg);border:1px solid var(--gds-border);border-radius:9px;color:var(--gds-ink);
  font-family:var(--gds-disp);font-size:.95rem;padding:13px 15px;transition:border-color .2s}
.field input::placeholder{color:#4d6294}
.field input:focus{outline:none;border-color:var(--gds-cyan)}
.form .btn--primary{justify-content:center;margin-top:4px}
.form .fine{font-family:var(--gds-mono);font-size:.62rem;color:var(--gds-muted);line-height:1.6;margin:2px 0 0}

/* FOOTER */
.foot{border-top:1px solid var(--gds-border);padding:46px 0 60px}
.foot-grid{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;align-items:flex-start}
.foot p{font-family:var(--gds-mono);font-size:.72rem;color:var(--gds-muted);line-height:1.8;margin:14px 0 0;max-width:52ch}
.foot a{color:var(--gds-cyan);text-decoration:none}
.foot-links{display:flex;gap:28px;flex-wrap:wrap}
.foot-links a{font-family:var(--gds-mono);font-size:.74rem;letter-spacing:.06em;text-transform:uppercase;color:var(--gds-muted);text-decoration:none}
.foot-links a:hover{color:var(--gds-ink)}

@media(max-width:920px){
  .hero-grid,.deep,.valgrid,.access{grid-template-columns:1fr}
  .statband{grid-template-columns:repeat(2,1fr)}
  .pillars,.render-grid,.timeline{grid-template-columns:1fr}
  .nav-links{display:none}
  .deep .instrument{order:-1}
}
@media(max-width:560px){
  .statband{grid-template-columns:1fr}
}