/* c² Model of Realities — responsive website */
:root{--bg:#05070b;--panel:rgba(7,10,16,.78);--panel-soft:rgba(255,255,255,.045);--text:#f3efe7;--muted:#cfc7bb;--soft:#a9a196;--gold:#d8ad6a;--line:rgba(216,173,106,.38);--max:980px;--serif:Georgia,"Times New Roman",serif;--sans:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);line-height:1.65}a{color:var(--gold);text-decoration-thickness:1px;text-underline-offset:.22em}a:hover{color:#f0d39d}.site-hero{position:relative;min-height:100vh;overflow:hidden;display:grid;place-items:center;padding:4rem 1.25rem;text-align:center;isolation:isolate;background:radial-gradient(circle at 50% 84%,rgba(255,166,69,.55) 0%,rgba(255,166,69,.18) 10%,transparent 32%),radial-gradient(circle at 50% 44%,rgba(72,151,255,.32) 0%,rgba(72,151,255,.12) 20%,transparent 52%),radial-gradient(circle at 20% 20%,rgba(100,160,255,.13) 0%,transparent 28%),radial-gradient(circle at 80% 16%,rgba(216,173,106,.11) 0%,transparent 30%),linear-gradient(180deg,#04060a 0%,#07101b 48%,#05070b 100%)}.site-hero:before{content:"";position:absolute;inset:0;z-index:-2;background-image:radial-gradient(circle,rgba(255,255,255,.9) 0 1px,transparent 1.5px),radial-gradient(circle,rgba(255,255,255,.55) 0 1px,transparent 1.4px),radial-gradient(circle,rgba(216,173,106,.45) 0 1px,transparent 1.6px);background-size:78px 78px,137px 137px,211px 211px;background-position:0 0,33px 47px,91px 18px;opacity:.38}.site-hero:after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,transparent 49.9%,rgba(110,188,255,.16) 50%,transparent 50.1%),linear-gradient(180deg,rgba(0,0,0,.08),rgba(0,0,0,.68)),radial-gradient(ellipse at 50% 86%,rgba(216,173,106,.32),transparent 38%)}.hero-inner{width:min(var(--max),100%);margin:0 auto;padding:clamp(2.25rem,5vw,4rem);border:1px solid rgba(216,173,106,.22);background:linear-gradient(180deg,rgba(0,0,0,.28),rgba(0,0,0,.14));box-shadow:0 30px 90px rgba(0,0,0,.35);backdrop-filter:blur(2px)}.kicker{margin:0 0 1.2rem;color:var(--gold);font-family:var(--serif);font-weight:700;letter-spacing:.22em;text-transform:uppercase;font-size:clamp(.78rem,2.4vw,1rem)}.hero-title{margin:0 0 1.7rem;font-family:var(--serif);font-weight:700;font-size:clamp(2.45rem,8.4vw,5.2rem);line-height:1.07;letter-spacing:-.02em}.gold{color:var(--gold)}.hero-claim{margin:0 auto 1.8rem;max-width:820px;font-family:var(--serif);font-size:clamp(1.35rem,4.4vw,2.15rem);line-height:1.42}.model-chain{color:var(--gold);font-family:var(--serif);font-weight:700;letter-spacing:.12em;margin:2rem auto 1.8rem;text-align:center}.model-chain .desktop{display:block;white-space:nowrap;font-size:clamp(1.65rem,5.6vw,3.05rem)}.model-chain .mobile{display:none}.model-chain .down{display:block;line-height:1;margin:.2rem 0;font-size:1.35rem;opacity:.9;letter-spacing:0}.hero-subline{max-width:760px;margin:0 auto .9rem;font-family:var(--serif);font-size:clamp(1.05rem,3.6vw,1.35rem);color:var(--text)}.hero-keywords{margin:0 auto 2rem;color:#c2a77a;font-family:var(--serif);font-size:clamp(.98rem,3.2vw,1.2rem)}.language-buttons,.cta-row{display:flex;align-items:center;justify-content:center;gap:.9rem;flex-wrap:wrap}.button,.language-button{display:inline-flex;align-items:center;justify-content:center;min-width:142px;padding:.72rem 1.25rem;border:1px solid rgba(216,173,106,.72);color:var(--text);text-decoration:none;background:rgba(0,0,0,.3);letter-spacing:.02em;transition:transform .2s ease,border-color .2s ease,background .2s ease}.button:hover,.language-button:hover{transform:translateY(-1px);border-color:rgba(255,221,165,.95);background:rgba(216,173,106,.14);color:#fff}.page{min-height:100vh;background:radial-gradient(circle at 50% 0%,rgba(84,154,255,.13),transparent 34rem),radial-gradient(circle at 80% 8%,rgba(216,173,106,.12),transparent 30rem),linear-gradient(180deg,#070a10 0%,#05070b 100%)}.site-header{position:sticky;top:0;z-index:10;backdrop-filter:blur(16px);background:rgba(5,7,11,.78);border-bottom:1px solid rgba(216,173,106,.12)}.nav{width:min(1120px,calc(100% - 2rem));margin:0 auto;min-height:64px;display:flex;align-items:center;justify-content:space-between;gap:1rem}.brand{font-family:var(--serif);font-weight:700;color:var(--text);text-decoration:none;letter-spacing:.02em}.nav-links{display:flex;gap:1rem;flex-wrap:wrap;justify-content:flex-end;font-size:.95rem}.nav-links a{color:var(--muted);text-decoration:none}.nav-links a:hover{color:var(--gold)}.content{width:min(var(--max),calc(100% - 2rem));margin:0 auto;padding:clamp(2.8rem,7vw,5.5rem) 0}.content-hero{text-align:center;padding:clamp(3.5rem,8vw,6.5rem) 0 clamp(2rem,6vw,4rem)}.content-hero h1{margin:0 0 1.3rem;font-family:var(--serif);font-size:clamp(2.35rem,7vw,4.8rem);line-height:1.1}.content-hero .lead{margin:0 auto;max-width:820px;font-family:var(--serif);font-size:clamp(1.3rem,4.2vw,2rem);line-height:1.42;color:var(--text)}.card{margin:1.2rem 0;padding:clamp(1.35rem,4vw,2.1rem);background:var(--panel);border:1px solid rgba(216,173,106,.16);box-shadow:0 20px 60px rgba(0,0,0,.24)}.card.soft{background:var(--panel-soft)}h2,h3{font-family:var(--serif);line-height:1.2}h2{margin:0 0 1rem;color:var(--gold);font-size:clamp(1.7rem,4.4vw,2.4rem)}h3{margin:1.35rem 0 .45rem;color:var(--text);font-size:clamp(1.2rem,3.6vw,1.55rem)}p{margin:0 0 1rem}.leadline{font-size:clamp(1.1rem,3.6vw,1.38rem);color:var(--muted)}.formula{display:block;margin:1.2rem auto;padding:1.1rem 1rem;text-align:center;font-family:var(--serif);font-weight:700;color:var(--gold);font-size:clamp(2.1rem,7vw,4rem);letter-spacing:.08em;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.mini-chain{display:block;margin:1rem 0;color:var(--gold);font-family:var(--serif);font-size:clamp(1.5rem,5.2vw,2.6rem);font-weight:700;text-align:center;letter-spacing:.08em}.meta-links{margin-top:2rem;color:var(--soft)}.site-footer{border-top:1px solid rgba(216,173,106,.12);color:var(--soft);padding:2rem 1rem;text-align:center;background:rgba(0,0,0,.24)}.site-footer p{margin:.35rem 0}@media(max-width:680px){.site-hero{min-height:100svh;padding:2.2rem .9rem}.hero-inner{padding:2rem 1rem;border-left:0;border-right:0}.kicker{font-size:.72rem;letter-spacing:.16em;margin-bottom:1rem}.hero-title{font-size:clamp(2.15rem,11vw,3.25rem);line-height:1.08;margin-bottom:1.35rem}.hero-claim{font-size:clamp(1.25rem,6.2vw,1.65rem);line-height:1.36;margin-bottom:1.35rem}.model-chain{margin:1.45rem auto 1.35rem;letter-spacing:.08em}.model-chain .desktop{display:none}.model-chain .mobile{display:block;font-size:clamp(1.8rem,9vw,2.55rem);line-height:1.25}.hero-subline{font-size:1.05rem;line-height:1.45}.hero-keywords{font-size:.98rem;line-height:1.45;margin-bottom:1.45rem}.language-buttons{flex-direction:column;gap:.7rem}.language-button{width:min(260px,88%)}.nav{min-height:auto;padding:.8rem 0;flex-direction:column}.nav-links{justify-content:center;gap:.75rem;font-size:.9rem}.content{width:min(100% - 1.2rem,var(--max))}.content-hero{padding-top:2.6rem}.card{padding:1.15rem}}