/* HELIX — landing.css (page-specific) */

/* HERO */
.hero{position:relative;padding:92px 0 48px;overflow:hidden}
.dna-canvas{position:absolute;inset:0;width:100%;height:100%;z-index:0;opacity:.8}
.hero-fade{position:absolute;inset:0;z-index:1;pointer-events:none;background:linear-gradient(180deg,transparent 44%,var(--bg) 97%)}
.hero-in{position:relative;z-index:2;text-align:center;max-width:900px;margin:0 auto}
.hero h1{font-size:clamp(40px,7vw,84px);margin:22px 0 0;letter-spacing:-.03em}
.hero .sub{color:var(--muted);font-size:clamp(16px,2vw,20px);max-width:720px;margin:24px auto 0}
.hero .sub em{color:var(--txt);font-style:normal}
.hero-btns{display:flex;gap:14px;justify-content:center;margin-top:34px;flex-wrap:wrap}

/* FORGE PREVIEW CARD */
.forge-preview{display:grid;grid-template-columns:auto 1fr;gap:22px;align-items:center;margin:56px auto 0;max-width:600px;
  background:linear-gradient(180deg,var(--panel-2),var(--bg-2));border:1px solid var(--line-2);border-radius:20px;padding:22px;text-align:left;
  box-shadow:0 40px 90px -50px rgba(255,60,191,.4)}
@media(max-width:560px){.forge-preview{grid-template-columns:1fr;justify-items:center;text-align:center}}
.fp-avatar{width:132px;height:132px;border-radius:16px;overflow:hidden;border:1px solid var(--line-2);flex-shrink:0}
.fp-avatar svg{width:100%;height:100%}
.fp-info{min-width:0;width:100%}
.fp-top{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}
.fp-name{font-size:22px;font-weight:750;font-family:var(--mono)}
.fp-arch{color:var(--muted);font-size:12.5px;margin-top:2px}
.fp-tier{font-size:11px;letter-spacing:.06em;padding:6px 11px;border-radius:999px;border:1px solid rgba(166,255,46,.4);color:var(--lime);background:rgba(166,255,46,.08);white-space:nowrap}
.fp-genome{margin-top:18px;display:flex;flex-direction:column;gap:9px}
.gbar{display:grid;grid-template-columns:78px 1fr;align-items:center;gap:12px;font-family:var(--mono);font-size:11px;color:var(--dim)}
.gt{height:7px;background:var(--bg);border:1px solid var(--line);border-radius:999px;overflow:hidden}
.gt i{display:block;height:100%;width:0;border-radius:999px;transition:width .8s cubic-bezier(.2,.7,.2,1)}
.gbar:nth-child(1) .gt i{background:var(--lime)}
.gbar:nth-child(2) .gt i{background:var(--cyan)}
.gbar:nth-child(3) .gt i{background:var(--mag)}
.fp-foot{display:flex;justify-content:space-between;align-items:center;margin-top:18px;gap:12px}
.fp-foot .mono{color:var(--dim);font-size:11.5px}

/* WHAT */
.what-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:48px}
@media(max-width:900px){.what-grid{grid-template-columns:1fr}}
.whatc{background:linear-gradient(180deg,var(--panel),var(--bg-2));border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:.25s}
.whatc:hover{transform:translateY(-6px);border-color:var(--line-2)}
.wc-ic{font-size:30px;margin-bottom:16px}
.whatc h3{font-size:19px;margin-bottom:10px}
.whatc p{color:var(--muted);font-size:14.5px}

/* LOOP */
.loop-sec{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.loop{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-top:48px}
@media(max-width:900px){.loop{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.loop{grid-template-columns:1fr}}
.loop-step{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:22px 18px;transition:.25s;position:relative;overflow:hidden}
.loop-step::after{content:"";position:absolute;left:0;top:0;height:3px;width:0;background:linear-gradient(90deg,var(--cyan),var(--mag));transition:.4s}
.loop-step:hover{transform:translateY(-5px);border-color:var(--line-2)}
.loop-step:hover::after{width:100%}
.ls-n{font-family:var(--mono);font-size:12px;color:var(--lime);border:1px solid var(--line-2);width:32px;height:32px;border-radius:8px;display:grid;place-items:center;margin-bottom:14px}
.loop-step h3{font-size:16px;margin-bottom:8px}
.loop-step p{color:var(--muted);font-size:13px}

/* GENOME */
.genome-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
@media(max-width:900px){.genome-layout{grid-template-columns:1fr}}
.gene-list{margin-top:26px;display:flex;flex-direction:column;gap:16px}
.gene{display:flex;gap:16px;align-items:flex-start}
.gene b{font-family:var(--mono);font-size:15px;width:44px;flex-shrink:0}
.gene h4{font-size:16px;margin-bottom:3px}
.gene p{color:var(--muted);font-size:14px}
.genome-viz{display:grid;place-items:center;gap:14px}
.gv-avatar{width:280px;height:280px;max-width:100%;border-radius:24px;overflow:hidden;border:1px solid var(--line-2);box-shadow:0 40px 90px -50px rgba(49,230,255,.5)}
.gv-avatar svg{width:100%;height:100%}
.gv-cap{color:var(--dim);font-size:12px}

/* DUEL */
.duel-sec{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.duel-demo{display:grid;grid-template-columns:150px 1fr 150px;gap:20px;align-items:center;margin-top:46px;
  background:var(--panel);border:1px solid var(--line-2);border-radius:20px;padding:26px}
@media(max-width:820px){.duel-demo{grid-template-columns:1fr;justify-items:center}}
.dd-side{display:grid;justify-items:center;gap:8px}
.dd-av{width:96px;height:96px;border-radius:14px;overflow:hidden;border:1px solid var(--line-2)}
.dd-av svg{width:100%;height:100%}
.dd-name{font-size:13px;color:var(--txt)}
.dd-pnl{font-size:18px;font-weight:700}
.pos{color:var(--green)}.neg{color:var(--red)}
.dd-stage{width:100%}
#duelCanvas{width:100%;height:230px;display:block;background:#080614;border:1px solid var(--line);border-radius:12px}
.dd-bar{display:flex;justify-content:space-between;margin-top:10px;font-size:12px;color:var(--dim)}
.dd-stage .btn{margin-top:12px;width:100%}
.duel-cta{text-align:center;margin-top:36px}