/* ===== Tesseracoin — brand palette ===== */
:root{
  --navy:#13293D;
  --navy-2:#1b3a55;
  --navy-deep:#0d1d2c;
  --gold:#C9A24B;
  --gold-soft:#dcc07e;
  --cream:#F7F3E9;
  --paper:#FBFAF6;
  --ink:#1d2733;
  --muted:#5b6b7a;
  --line:rgba(201,162,75,.28);
  --radius:14px;
  --shadow:0 18px 48px rgba(8,18,28,.18);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Inter",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  color:var(--ink);
  background:var(--paper);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{font-family:"Fraunces","Georgia",serif;line-height:1.12;letter-spacing:-.01em}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
.accent{color:var(--gold)}

.wrap{max-width:1100px;margin:0 auto;padding:0 24px}
.wrap.narrow{max-width:760px}
.center{text-align:center}

/* ===== NAV ===== */
.nav{
  position:sticky;top:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 28px;
  background:rgba(19,41,61,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(201,162,75,.22);
}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--cream)}
.brand-name{font-family:"Fraunces",serif;font-weight:700;font-size:1.25rem;letter-spacing:.01em}
.brand.small .brand-name{font-size:1.05rem}
img.brand-mark{border-radius:24%;object-fit:cover;box-shadow:0 0 0 1px rgba(201,162,75,.35)}
.nav-links{display:flex;gap:26px}
.nav-links a{color:#cbd6df;text-decoration:none;font-size:.92rem;font-weight:500;transition:color .18s}
.nav-links a:hover{color:var(--gold)}
.nav-gh{display:inline-flex;align-items:center;gap:6px;color:var(--gold-soft)!important}
.nav-gh:hover{color:var(--gold)!important}

/* ===== HERO ===== */
.hero{
  background:
    radial-gradient(1100px 520px at 78% -8%, rgba(201,162,75,.20), transparent 60%),
    linear-gradient(160deg,var(--navy) 0%,var(--navy-deep) 100%);
  color:var(--cream);
  padding:104px 24px 96px;
  position:relative;overflow:hidden;
}
.hero::after{
  content:"";position:absolute;inset:0;opacity:.06;pointer-events:none;
  background-image:linear-gradient(var(--gold) 1px,transparent 1px),linear-gradient(90deg,var(--gold) 1px,transparent 1px);
  background-size:34px 34px;mask-image:radial-gradient(circle at 80% 0,#000,transparent 70%);
}
.hero-inner{max-width:980px;margin:0 auto;position:relative;z-index:1}
.hero-top{display:grid;grid-template-columns:1.25fr .75fr;gap:48px;align-items:center;margin-bottom:34px}
.hero-logo{display:flex;justify-content:center;position:relative}
.hero-logo::before{
  content:"";position:absolute;inset:-6% ;border-radius:50%;
  background:radial-gradient(circle,rgba(201,162,75,.42),transparent 62%);
  filter:blur(12px);z-index:0;
}
.hero-logo img{
  position:relative;z-index:1;width:min(280px,68vw);aspect-ratio:1;border-radius:10%;
  object-fit:cover;box-shadow:0 22px 60px rgba(0,0,0,.45),0 0 0 1px rgba(201,162,75,.4);
}
.eyebrow{text-transform:uppercase;letter-spacing:.22em;font-size:.78rem;color:var(--gold-soft);font-weight:600;margin:0 0 14px}
.hero h1{font-size:clamp(2.4rem,5.4vw,4rem);font-weight:700;margin:0 0 20px}
.lede{font-size:1.2rem;color:#d6e0e8;max-width:620px;margin:0 0 30px}
.cta-row{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:38px}
.cta-row.center{justify-content:center}
.btn{
  display:inline-block;padding:13px 26px;border-radius:999px;
  text-decoration:none;font-weight:600;font-size:.96rem;transition:transform .15s,box-shadow .2s,background .2s;
}
.btn-gold{background:var(--gold);color:var(--navy-deep);box-shadow:0 10px 26px rgba(201,162,75,.35)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(201,162,75,.45)}
.btn-ghost{border:1px solid rgba(201,162,75,.55);color:var(--gold-soft)}
.btn-ghost:hover{background:rgba(201,162,75,.12);transform:translateY(-2px)}
/* "See it live" CTA — warm orange so it visibly competes with the gold
   primary CTA. The pulsing dot conveys "this is a live system, not a mockup." */
.btn-live{background:#E5651F;color:#fff;box-shadow:0 10px 26px rgba(229,101,31,.35);font-weight:700}
.btn-live:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(229,101,31,.50);background:#F0721F}
.btn-live .live-dot{display:inline-block;width:.6em;height:.6em;border-radius:50%;background:#fff;margin-right:.5em;vertical-align:middle;
  box-shadow:0 0 0 0 rgba(255,255,255,.85);animation:livepulse 1.8s infinite}
@keyframes livepulse{
  0%  {box-shadow:0 0 0 0   rgba(255,255,255,.85)}
  70% {box-shadow:0 0 0 10px rgba(255,255,255,0)}
  100%{box-shadow:0 0 0 0   rgba(255,255,255,0)}
}
.tessera-note{
  margin:0;padding:18px 22px;border-left:3px solid var(--gold);
  background:rgba(255,255,255,.04);border-radius:0 10px 10px 0;
  font-size:1rem;color:#cdd8e0;font-style:italic;max-width:640px;
}
.tessera-note em{color:var(--gold-soft);font-style:italic}

/* ===== SECTIONS ===== */
.section{padding:84px 0}
.section.alt{background:var(--cream)}
.section h2{font-size:clamp(1.8rem,3.4vw,2.6rem);font-weight:600;margin:0 0 26px;color:var(--navy)}
.section h2.center{margin-bottom:44px}
.sub{color:var(--muted);margin:-28px 0 44px;font-size:1.05rem}
.statgrid{display:grid;grid-template-columns:repeat(3,minmax(0,240px));justify-content:center;gap:18px;max-width:760px;margin:8px auto 22px}
.stat{background:var(--navy);color:var(--cream);border-radius:var(--radius);padding:26px 16px;text-align:center;border:1px solid var(--line)}
.stat .num{display:block;font-family:"Fraunces",serif;font-weight:700;font-size:clamp(1.5rem,2.6vw,2.1rem);color:var(--gold)}
.stat .num small{font-size:.5em;font-weight:600;color:var(--gold-soft)}
.stat .lbl{display:block;margin-top:8px;font-size:.82rem;letter-spacing:.02em;color:#c2cdd6}
.statnote{margin:0 auto 44px;max-width:720px;font-size:.95rem}
.fine-inline{font-size:.85rem;color:#7d8b96}
.stat .lbl sup{color:var(--gold-soft)}
.big{font-size:1.12rem;color:#33424f;margin:0 0 20px}
.pull{
  font-family:"Fraunces",serif;font-size:clamp(1.4rem,3vw,2rem);font-weight:600;
  color:var(--navy);border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:24px 0;margin:30px 0;line-height:1.25;
}

/* ===== COMPARE TABLE ===== */
.compare{width:100%;border-collapse:collapse;margin:18px 0 8px;background:var(--paper);
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.compare th,.compare td{padding:12px 16px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line);font-size:.95rem}
.compare th{background:rgba(201,162,75,.10);color:var(--navy-deep);font-weight:700}
.compare tr:last-child td{border-bottom:none}
.compare td.tsr{color:var(--navy-deep);font-weight:600;background:rgba(201,162,75,.05)}
.section.alt .compare{background:#fff}

/* ===== SPLIT ===== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}
.split-fig img{border-radius:var(--radius);box-shadow:var(--shadow);background:#fff;padding:14px}
.ticks{list-style:none;padding:0;margin:0}
.ticks li{position:relative;padding:0 0 18px 34px;color:#33424f}
.ticks li::before{content:"◆";position:absolute;left:0;top:1px;color:var(--gold);font-size:.9rem}

/* ===== GRID CARDS ===== */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid.three{grid-template-columns:repeat(3,1fr)}
.card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 24px;transition:transform .18s,box-shadow .2s,border-color .2s;
}
.section.alt .card{background:#fff}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--gold)}
.card .ico{font-size:1.5rem;color:var(--gold);margin-bottom:12px}
.card h3{font-size:1.16rem;font-weight:600;margin:0 0 10px;color:var(--navy)}
.card p{margin:0;color:var(--muted);font-size:.98rem}
.soon{
  display:inline-block;margin-bottom:12px;padding:3px 11px;border-radius:999px;
  font-size:.7rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;
  color:var(--gold);background:rgba(201,162,75,.12);border:1px solid var(--line);
}

/* ===== FIGURES ===== */
.figcard{
  margin:44px auto 0;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);max-width:720px;
}
.figcard.wide{max-width:760px}
.figcard.stack{display:flex;flex-direction:column;gap:18px}
.figcard img{margin:0 auto}

/* ===== FEATURE ROWS ===== */
.feature-row{display:grid;grid-template-columns:1fr 1.05fr;gap:48px;align-items:center;margin:56px 0}
.feature-row.reverse .feature-copy{order:2}
.feature-copy h3{font-size:1.4rem;font-weight:600;color:var(--navy);margin:0 0 12px}
.feature-copy p{color:#41525f;font-size:1.05rem;margin:0}
.feature-row .figcard{margin:0}
/* A wide multi-column diagram (node roles) needs the full content width to
   stay legible — stack the copy above it instead of squeezing it into half a
   row. */
.feature-row.roles-wide{grid-template-columns:1fr;text-align:center;gap:18px}
.feature-row.roles-wide .feature-copy{order:0;max-width:660px;margin:0 auto}
.feature-row.roles-wide .figcard{max-width:960px;margin:0 auto;width:100%}

/* ===== ROADMAP ===== */
.roadmap{list-style:none;padding:0;margin:0}
.roadmap li{position:relative;padding:0 0 16px 32px;color:#33424f}
.roadmap li::before{position:absolute;left:0;top:0;font-weight:700}
.roadmap li.done::before{content:"✓";color:var(--gold)}
.roadmap li.next::before{content:"◷";color:var(--muted)}

/* ===== CTA BAND ===== */
.cta-band{
  background:linear-gradient(160deg,var(--navy) 0%,var(--navy-deep) 100%);
  color:var(--cream);
}
.cta-band h2{color:var(--cream)}
.cta-band .big{color:#cdd8e0}

/* ===== FOOTER ===== */
.footer{background:var(--navy-deep);color:#aebac4;padding:54px 0 30px}
.foot-grid{display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap;padding-bottom:28px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer .brand-name{color:var(--cream)}
.foot-note{margin:12px 0 0;font-size:.92rem;color:#8b99a4}
.foot-links{display:flex;gap:24px;align-items:center;flex-wrap:wrap}
.foot-links a{color:#aebac4;text-decoration:none;font-size:.92rem}
.foot-links a:hover{color:var(--gold)}
.fine{padding-top:22px;font-size:.82rem;color:#71808b}
.fine p{margin:8px 0}

/* ===== RESPONSIVE ===== */
@media (max-width:860px){
  /* Nav-links stay visible — just wrap and shrink. Was display:none,
     which left the sticky header empty on phone. */
  .nav{flex-wrap:wrap;gap:8px 14px;padding:10px 16px}
  .nav-links{display:flex;flex-wrap:wrap;gap:12px;font-size:.85rem;
             flex:1 1 100%;justify-content:center;padding-top:4px;
             border-top:1px solid rgba(201,162,75,.18);margin-top:8px}
  .nav-links a{font-size:.86rem}
  .nav-gh{order:99}
  .split,.feature-row,.feature-row.reverse .feature-copy{grid-template-columns:1fr;order:0}
  .grid,.grid.three{grid-template-columns:1fr 1fr}
  .feature-row{gap:28px}
  .statgrid{grid-template-columns:1fr 1fr}
  .hero-top{grid-template-columns:1fr;text-align:center;gap:30px}
  .hero-logo{order:-1}
  .hero-logo img{width:200px}
  .cta-row{justify-content:center}
  .tessera-note{margin-left:auto;margin-right:auto}
}
@media (max-width:560px){
  .grid,.grid.three{grid-template-columns:1fr}
  .hero{padding:72px 20px 64px}
  .section{padding:60px 0}
  /* Compare table → stacked cards. Each row becomes a card with
     "Concern" as the heading and each network's value as a labeled
     line inside. data-label attribute on each <td> drives the line
     label. */
  .compare, .compare thead, .compare tbody, .compare tr,
  .compare th, .compare td { display:block; }
  .compare thead { display:none; }
  .compare { background:transparent; border:0; box-shadow:none; }
  .compare tr {
    background:var(--paper); border:1px solid var(--line);
    border-radius:10px; margin:0 0 14px; padding:14px 0;
    box-shadow:0 1px 3px rgba(0,0,0,0.04);
  }
  .compare td { border:0; padding:7px 18px; font-size:.92rem; }
  .compare td:first-child {
    font-weight:700; font-size:1.02rem; color:var(--navy-deep);
    padding:0 18px 10px; margin-bottom:6px;
    border-bottom:1px solid var(--line);
  }
  .compare td:not(:first-child)::before {
    content:attr(data-label) ": ";
    color:var(--gold-soft); font-weight:700; font-size:.78rem;
    text-transform:uppercase; letter-spacing:.04em;
    display:block; margin-bottom:2px;
  }
  .compare td.tsr {
    background:rgba(201,162,75,.07);
    border-left:3px solid var(--gold);
    padding-left:15px; margin-top:4px;
  }
}

/* ============ Legal pages + footer legal links ============ */
.legal-links{margin:8px 0}
.legal-links a{color:var(--gold-soft);text-decoration:none}
.legal-links a:hover{color:var(--gold);text-decoration:underline}
.legal{padding:64px 0}
.legal h1{font-size:clamp(1.7rem,3.2vw,2.4rem);font-weight:700;color:var(--navy);margin:0 0 4px}
.legal .updated{color:var(--muted);font-size:.9rem;margin:0 0 10px}
.legal .callout{background:var(--cream);border-left:3px solid var(--gold);padding:14px 18px;border-radius:6px;margin:20px 0;color:#33424f}
.legal h2{font-size:1.2rem;font-weight:600;color:var(--navy);margin:32px 0 10px}
.legal p,.legal li{color:#33424f;line-height:1.65;margin:0 0 12px;font-size:1.02rem}
.legal ul{padding-left:1.25em;margin:0 0 14px}
.legal a{color:#1d6fb8}
.legal .back{display:inline-block;margin-top:28px;color:var(--gold-soft);text-decoration:none}
.legal .back:hover{color:var(--gold)}