/* ============================================================
   The AI Builders Guild — "Under the Glowing Shield"
   Navy + gold guild-tech design system
   ============================================================ */

:root{
  --navy-950:#050b1c;
  --navy-900:#081327;
  --navy-800:#0A1A3F;   /* brand navy */
  --navy-700:#0f2350;
  --navy-600:#16306b;
  --gold:#D4AF37;        /* brand gold */
  --gold-bright:#F0C955;
  --gold-deep:#a9832a;
  --glow:#5BC8FF;        /* seal glow */
  --parchment:#F6EEDD;
  --ink:#EAF0FF;
  --muted:#AEB9D6;
  --muted-dim:#7f8bab;
  --line:rgba(212,175,55,.22);
  --line-soft:rgba(174,185,214,.14);
  --card:rgba(255,255,255,.03);

  --wrap:1140px;
  --r:16px;
  --r-lg:22px;
  --shadow:0 20px 60px -24px rgba(0,0,0,.7);
  --shadow-gold:0 0 0 1px rgba(212,175,55,.35), 0 18px 50px -20px rgba(212,175,55,.25);

  --f-cinzel:"Cinzel", Georgia, serif;
  --f-serif:"Fraunces", Georgia, "Times New Roman", serif;
  --f-sans:"Inter", system-ui, -apple-system, sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
html:focus-within{scroll-padding-top:96px}
body{
  margin:0;
  font-family:var(--f-sans);
  color:var(--ink);
  background:var(--navy-950);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}

.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:clamp(20px,5vw,40px)}
.section{padding-block:clamp(64px,9vw,112px)}

.skip-link{position:absolute;left:-999px;top:0;background:var(--gold);color:var(--navy-900);
  padding:10px 16px;border-radius:0 0 10px 0;font-weight:600;z-index:200}
.skip-link:focus{left:0}

:focus-visible{outline:2px solid var(--gold-bright);outline-offset:3px;border-radius:6px}

/* ---------- Shared type ---------- */
.eyebrow{font-family:var(--f-cinzel);letter-spacing:.24em;text-transform:uppercase;
  font-size:.72rem;color:var(--gold);margin:0 0 18px}
.kicker{font-family:var(--f-cinzel);letter-spacing:.22em;text-transform:uppercase;
  font-size:.72rem;color:var(--gold);margin:0 0 14px}
.kicker.gold{color:var(--gold-bright)}
.section-title{font-family:var(--f-serif);font-weight:600;line-height:1.05;
  font-size:clamp(1.8rem,4.4vw,3rem);margin:0 0 18px;letter-spacing:-.01em}
.section-lede{font-size:clamp(1.02rem,1.6vw,1.18rem);color:var(--muted);max-width:56ch;margin:0 0 8px}
.section-lede.center{margin-inline:auto;text-align:center}
.center{text-align:center}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  font-family:var(--f-sans);font-weight:600;font-size:1rem;line-height:1;
  padding:15px 26px;border-radius:999px;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease, box-shadow .25s ease, background .2s ease, color .2s ease;
  will-change:transform}
.btn-sm{padding:10px 18px;font-size:.9rem}
.btn-lg{padding:18px 34px;font-size:1.08rem}
.btn-gold{background:linear-gradient(180deg,var(--gold-bright),var(--gold));color:#2a1f05;
  box-shadow:0 10px 30px -10px rgba(212,175,55,.55), inset 0 1px 0 rgba(255,255,255,.4)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 40px -12px rgba(212,175,55,.7), inset 0 1px 0 rgba(255,255,255,.5)}
.btn-ghost{background:transparent;color:var(--parchment);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold-bright);transform:translateY(-2px)}

.cta-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.cta-row.center{justify-content:center}

/* ---------- Backgrounds: blueprint grid + stars ---------- */
.grid-plane{position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(212,175,55,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212,175,55,.06) 1px, transparent 1px);
  background-size:44px 44px;
  mask-image:radial-gradient(120% 90% at 70% 0%, #000 40%, transparent 85%);
  -webkit-mask-image:radial-gradient(120% 90% at 70% 0%, #000 40%, transparent 85%)}
.stars{position:absolute;inset:0;
  background-image:
    radial-gradient(1.4px 1.4px at 12% 22%, rgba(255,255,255,.7), transparent),
    radial-gradient(1.6px 1.6px at 82% 18%, rgba(91,200,255,.8), transparent),
    radial-gradient(1.2px 1.2px at 66% 62%, rgba(255,255,255,.55), transparent),
    radial-gradient(1.5px 1.5px at 28% 74%, rgba(240,201,85,.7), transparent),
    radial-gradient(1.2px 1.2px at 46% 34%, rgba(255,255,255,.5), transparent),
    radial-gradient(1.3px 1.3px at 92% 52%, rgba(255,255,255,.5), transparent);
  opacity:.9}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:100;
  background:rgba(8,19,39,.72);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line-soft)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:72px}
.brand{display:flex;align-items:center;gap:12px}
.brand-seal{filter:drop-shadow(0 0 10px rgba(91,200,255,.35))}
.brand-words{display:flex;flex-direction:column;line-height:1.1}
.brand-line-1{font-family:var(--f-cinzel);font-weight:600;font-size:1.02rem;
  color:var(--parchment);letter-spacing:.02em}
.brand-line-2{font-size:.72rem;color:var(--gold);letter-spacing:.16em;text-transform:uppercase}
.site-nav{display:flex;align-items:center;gap:28px}
.site-nav a:not(.btn){font-size:.94rem;color:var(--muted);font-weight:500;transition:color .18s}
.site-nav a:not(.btn):hover{color:var(--gold-bright)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;padding:8px;cursor:pointer}
.nav-toggle span{width:24px;height:2px;background:var(--parchment);border-radius:2px;transition:.25s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{position:relative;isolation:isolate;overflow:hidden;
  background:
    radial-gradient(90% 70% at 78% 6%, rgba(22,48,107,.55), transparent 60%),
    radial-gradient(70% 60% at 8% 90%, rgba(15,35,80,.5), transparent 60%),
    linear-gradient(180deg, var(--navy-900), var(--navy-950))}
.hero-bg{position:absolute;inset:0;z-index:-1}
.hero-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;
  padding-block:clamp(48px,8vw,92px)}
.hero-copy{max-width:44ch}
h1{margin:0 0 22px;font-weight:600}
.h1-mythic{display:block;font-family:var(--f-serif);font-weight:600;
  font-size:clamp(2.5rem,6.6vw,4.4rem);line-height:1;letter-spacing:-.015em;
  color:var(--parchment)}
.h1-plain{display:block;margin-top:14px;font-family:var(--f-serif);font-weight:400;
  font-size:clamp(1.15rem,2.4vw,1.6rem);line-height:1.25;color:var(--gold-bright)}
.lede{font-size:clamp(1.02rem,1.5vw,1.16rem);color:var(--muted);margin:0}
.trust-row{list-style:none;display:flex;flex-wrap:wrap;gap:10px 22px;margin:28px 0 0;padding:0}
.trust-row li{position:relative;padding-left:20px;font-size:.9rem;color:var(--parchment)}
.trust-row li::before{content:"";position:absolute;left:0;top:.5em;width:9px;height:9px;
  border-radius:50%;background:var(--gold);box-shadow:0 0 8px var(--gold)}

.hero-seal{position:relative;display:grid;place-items:center;min-height:340px}
.seal-img{position:relative;z-index:2;width:min(88%,420px);height:auto;
  filter:drop-shadow(0 16px 40px rgba(0,0,0,.55))}
.seal-halo{position:absolute;z-index:1;width:min(96%,460px);aspect-ratio:1;border-radius:50%;
  background:radial-gradient(circle, rgba(91,200,255,.45) 0%, rgba(91,200,255,.12) 42%, transparent 66%);
  filter:blur(6px);animation:pulse 6s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:.55;transform:scale(.96)}50%{opacity:1;transform:scale(1.04)}}

/* Founding ribbon */
.founding-ribbon{border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:linear-gradient(90deg, rgba(212,175,55,.10), rgba(212,175,55,.03))}
.ribbon-inner{display:flex;flex-wrap:wrap;align-items:center;gap:12px 18px;padding-block:14px}
.ribbon-badge{font-family:var(--f-cinzel);font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--navy-900);background:linear-gradient(180deg,var(--gold-bright),var(--gold));
  padding:6px 12px;border-radius:999px;font-weight:700}
.ribbon-text{color:var(--parchment);font-size:.95rem}
.ribbon-text strong{color:var(--gold-bright)}
.ribbon-link{margin-left:auto;color:var(--gold-bright);font-weight:600;font-size:.92rem;white-space:nowrap}
.ribbon-link:hover{text-decoration:underline}

/* ---------- Ethos ---------- */
.ethos{background:var(--navy-950)}
.epic-quote{font-family:var(--f-serif);font-style:italic;font-weight:400;
  font-size:clamp(1.3rem,2.8vw,1.9rem);line-height:1.35;color:var(--parchment);
  max-width:28ch;margin:0 0 8px;border-left:3px solid var(--gold);padding-left:22px}
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:52px}
.pillar{background:var(--card);border:1px solid var(--line-soft);border-radius:var(--r-lg);
  padding:30px 26px;transition:transform .2s ease, border-color .2s ease}
.pillar:hover{transform:translateY(-4px);border-color:var(--line)}
.pillar-mark{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;
  color:var(--gold-bright);background:rgba(212,175,55,.10);border:1px solid var(--line);margin-bottom:18px}
.pillar h3{font-family:var(--f-serif);font-weight:600;font-size:1.28rem;margin:0 0 8px;color:var(--parchment)}
.pillar p{margin:0;color:var(--muted);font-size:.98rem}

/* ---------- Start / Bootcamp ---------- */
.start{background:linear-gradient(180deg,var(--navy-900),var(--navy-950))}
.start-grid{display:flex;justify-content:center}
.start-copy{max-width:640px;text-align:center}
.start-copy .section-lede{margin-inline:auto}
.start-copy .cta-row{justify-content:center}
.section-lede em{color:var(--parchment);font-style:italic}
.steps{list-style:none;counter-reset:s;margin:26px 0 0;padding:0;display:grid;gap:14px;text-align:left}
.steps li{display:flex;align-items:center;gap:14px;color:var(--parchment);font-size:1.02rem}
.step-n{flex:none;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;
  font-family:var(--f-cinzel);font-weight:700;font-size:.9rem;color:var(--gold-bright);
  background:rgba(212,175,55,.10);border:1px solid var(--line)}

/* ---------- Art cards (shared) ---------- */
.art-card{margin:0;border-radius:var(--r-lg);overflow:hidden;position:relative;
  border:1px solid var(--line);background:var(--navy-800);box-shadow:var(--shadow);
  transition:transform .22s ease, box-shadow .25s ease, border-color .22s ease}
.art-card img{width:100%;height:auto;aspect-ratio:1456/726;object-fit:cover}
.art-card::after{content:"";position:absolute;inset:0;border-radius:inherit;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.05);pointer-events:none}
.art-card:hover{transform:translateY(-6px);border-color:var(--gold);
  box-shadow:0 26px 60px -24px rgba(0,0,0,.75), 0 0 0 1px rgba(212,175,55,.4)}

/* ---------- Everyone ---------- */
.everyone{background:var(--navy-950)}
.everyone .kicker,.everyone .section-title{text-align:center}
.everyone-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:44px}

/* ---------- Tracks ---------- */
.tracks{background:linear-gradient(180deg,var(--navy-950),var(--navy-900))}
.tracks .kicker,.tracks .section-title{text-align:center}
.tracks-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:44px}

/* ---------- Ranks ---------- */
.ranks{background:var(--navy-950)}
.ranks .kicker,.ranks .section-title{text-align:center}
.rank-ladder{list-style:none;margin:48px auto 0;padding:0;max-width:760px;position:relative}
.rank-ladder::before{content:"";position:absolute;left:11px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--gold),rgba(212,175,55,.15))}
.rank{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:8px 18px;
  padding:16px 20px 16px 0;position:relative;border-bottom:1px solid var(--line-soft)}
.rank-node{grid-row:span 2;width:24px;height:24px;border-radius:50%;background:var(--navy-800);
  border:2px solid var(--gold);box-shadow:0 0 0 4px var(--navy-950);z-index:1;margin-left:0}
.rank-name{font-family:var(--f-serif);font-weight:600;font-size:1.16rem;color:var(--parchment)}
.rank-pts{font-family:var(--f-cinzel);font-size:.82rem;letter-spacing:.08em;color:var(--gold-bright);
  justify-self:end;white-space:nowrap}
.rank-how{grid-column:2 / 4;color:var(--muted);font-size:.92rem;margin-top:-2px}
.rank-top .rank-node{background:var(--gold);box-shadow:0 0 16px var(--gold),0 0 0 4px var(--navy-950)}
.rank-top .rank-name{color:var(--gold-bright)}
.rank-foot{text-align:center;margin:26px auto 0;max-width:52ch;color:var(--muted)}
.rank-foot strong{color:var(--parchment)}

/* ---------- Founders ---------- */
.founders{background:linear-gradient(180deg,var(--navy-900),var(--navy-950));
  border-top:1px solid var(--line-soft)}
.founders-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(32px,5vw,60px);align-items:center}
.founders-perks{list-style:none;padding:0;margin:24px 0 0;display:grid;gap:12px}
.founders-perks li{position:relative;padding-left:32px;color:var(--parchment);font-size:1.02rem}
.founders-perks li::before{content:"✦";position:absolute;left:4px;top:0;color:var(--gold)}
.founders-seal{margin:0;display:grid;place-items:center;position:relative}
.founders-seal::before{content:"";position:absolute;width:78%;aspect-ratio:1;border-radius:50%;
  background:radial-gradient(circle,rgba(212,175,55,.28),transparent 65%);filter:blur(8px)}
.founders-seal img{position:relative;width:min(78%,340px);height:auto;
  filter:drop-shadow(0 14px 34px rgba(0,0,0,.5))}

/* ---------- Oath / final CTA ---------- */
.oath{position:relative;isolation:isolate;overflow:hidden;text-align:center;
  padding-block:clamp(72px,11vw,132px);
  background:radial-gradient(80% 120% at 50% 0%, rgba(22,48,107,.6), var(--navy-950) 70%)}
.oath-bg{position:absolute;inset:0;z-index:-1;opacity:.7}
.oath-inner{max-width:760px}
.oath-line{font-family:var(--f-serif);font-style:italic;font-size:clamp(1.3rem,3vw,2rem);
  color:var(--parchment);margin:0 0 22px;line-height:1.3}
.oath-title{font-family:var(--f-serif);font-weight:600;font-size:clamp(1.7rem,4.4vw,2.8rem);
  color:var(--gold-bright);margin:0 0 6px;line-height:1.08}
.oath-sub{margin-top:20px;color:var(--muted);font-size:.94rem}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy-950);border-top:1px solid var(--line);
  padding-block:44px 30px}
.footer-inner{display:flex;flex-wrap:wrap;justify-content:space-between;gap:28px;align-items:flex-start}
.footer-brand{display:flex;gap:16px;align-items:center;max-width:42ch}
.footer-name{font-family:var(--f-cinzel);font-weight:600;color:var(--parchment);margin:0 0 4px;font-size:1.05rem}
.footer-by{margin:0;color:var(--muted);font-size:.9rem}
.footer-by strong{color:var(--gold)}
.footer-nav{display:flex;flex-wrap:wrap;gap:10px 24px}
.footer-nav a{color:var(--muted);font-size:.94rem;transition:color .18s}
.footer-nav a:hover{color:var(--gold-bright)}
.footer-legal{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  margin-top:30px;padding-top:22px;border-top:1px solid var(--line-soft);
  color:var(--muted-dim);font-size:.84rem}

/* ---------- Reveal on scroll ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease, transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width:900px){
  .hero-inner{grid-template-columns:1fr;gap:24px}
  .hero-copy{max-width:none;order:2}
  .hero-seal{order:1;min-height:auto}
  .seal-img{width:min(64%,300px)}
  .seal-halo{width:min(72%,320px)}
  .pillars{grid-template-columns:1fr}
  .everyone-grid{grid-template-columns:1fr;max-width:520px;margin-inline:auto}
  .tracks-grid{grid-template-columns:1fr;max-width:560px;margin-inline:auto}
  .founders-grid{grid-template-columns:1fr;text-align:center}
  .founders-perks{justify-items:center}
  .founders-perks li{padding-left:0;padding-top:26px}
  .founders-perks li::before{left:50%;transform:translateX(-50%)}
  .cta-row{justify-content:center}
  .founders-copy .section-lede{margin-inline:auto}
}

@media (max-width:760px){
  .site-nav{position:fixed;inset:72px 0 auto 0;flex-direction:column;align-items:stretch;
    gap:0;background:rgba(8,19,39,.98);backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);padding:8px 0 20px;
    transform:translateY(-140%);transition:transform .3s ease;
    box-shadow:0 24px 40px -20px rgba(0,0,0,.8)}
  .site-nav.open{transform:translateY(0)}
  .site-nav a:not(.btn){padding:14px clamp(20px,5vw,40px);border-bottom:1px solid var(--line-soft)}
  .nav-join{margin:16px clamp(20px,5vw,40px) 0;text-align:center}
  .nav-toggle{display:flex}
  .ribbon-link{margin-left:0}
  .footer-legal{flex-direction:column}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .seal-halo{animation:none}
  .reveal{opacity:1;transform:none;transition:none}
  .btn,.pillar,.art-card{transition:none}
}