/* KAIROS venture family — shared design tokens & components.
   Each page sets its own --accent/--accent-2 before this loads, or overrides after. */
:root{
  --ink:#0A0C11; --ink-2:#0F131B; --panel:#141925; --panel-2:#1A2030;
  --line:rgba(255,255,255,.08); --line-strong:rgba(255,255,255,.14);
  --fg:#EAEEF5; --fg-mute:#9AA6B8; --fg-dim:#697488;
  --gold:#E8B45A; --risk:#FF6F6F;
  --accent: var(--brand, #34E5A8); --accent-2: var(--brand-2, #22B9D6);
  --maxw:1120px;
  --serif:'Fraunces',Georgia,'Times New Roman',serif;
  --sans:'Pretendard',-apple-system,BlinkMacSystemFont,system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--ink);color:var(--fg);font-family:var(--sans);line-height:1.7;-webkit-font-smoothing:antialiased;letter-spacing:-.01em;overflow-x:hidden}
::selection{background:color-mix(in srgb, var(--accent) 30%, transparent)}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.serif{font-family:var(--serif)}
.accent-text{color:var(--accent)}
.gold-text{color:var(--gold)}
.mute{color:var(--fg-mute)}
.dim{color:var(--fg-dim)}

nav{position:fixed;top:0;left:0;right:0;z-index:50;backdrop-filter:blur(14px);background:rgba(10,12,17,.62);border-bottom:1px solid transparent;transition:border-color .3s,background .3s}
nav.scrolled{border-bottom-color:var(--line);background:rgba(10,12,17,.85)}
nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.02em}
.brand .dot{width:9px;height:9px;border-radius:50%;background:var(--accent);box-shadow:0 0 14px var(--accent)}
.brand .k{font-family:var(--serif);font-size:19px;letter-spacing:.04em}
.navlinks{display:flex;gap:30px;font-size:13.5px;color:var(--fg-mute)}
.navlinks a{transition:color .2s}
.navlinks a:hover{color:var(--fg)}
.nav-cta{font-size:13px;font-weight:600;padding:8px 16px;border:1px solid var(--line-strong);border-radius:999px;color:var(--fg);transition:.2s}
.nav-cta:hover{background:var(--accent);color:#04150E;border-color:var(--accent)}
@media(max-width:760px){.navlinks{display:none}}

.hero{position:relative;padding:170px 0 100px;overflow:hidden}
.hero-grid{position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:54px 54px;mask-image:radial-gradient(ellipse 80% 60% at 50% 30%,#000 30%,transparent 75%);opacity:.5}
.hero-glow{position:absolute;width:780px;height:780px;left:50%;top:-200px;transform:translateX(-50%);background:radial-gradient(circle,color-mix(in srgb, var(--accent) 16%, transparent),transparent 60%);filter:blur(20px);pointer-events:none}
.hero .wrap{position:relative;z-index:2}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--fg-mute);border:1px solid var(--line);border-radius:999px;padding:7px 15px;margin-bottom:28px;background:rgba(255,255,255,.02)}
.eyebrow .pulse{width:7px;height:7px;border-radius:50%;background:var(--gold);box-shadow:0 0 10px var(--gold);animation:pulse 2.4s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
h1.hero-title{font-family:var(--serif);font-weight:600;font-size:clamp(38px,6.6vw,74px);line-height:1.03;letter-spacing:-.02em;margin-bottom:8px}
.hero-title .sub{display:block;font-family:var(--sans);font-weight:700;font-size:clamp(17px,2.4vw,24px);letter-spacing:-.01em;color:var(--fg);margin-top:16px}
.hero-lede{max-width:680px;font-size:clamp(15px,1.9vw,18px);color:var(--fg-mute);margin:24px 0 12px}
.hero-lede b{color:var(--fg);font-weight:600}
.hero-meta{font-size:13px;color:var(--fg-dim);letter-spacing:.04em;margin-bottom:36px}
.cta-row{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:9px;font-weight:600;font-size:15px;padding:14px 26px;border-radius:999px;transition:.2s;cursor:pointer;border:1px solid transparent}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#04150E;box-shadow:0 8px 30px color-mix(in srgb, var(--accent) 22%, transparent)}
.btn-primary:hover{transform:translateY(-2px)}
.btn-ghost{border-color:var(--line-strong);color:var(--fg)}
.btn-ghost:hover{border-color:var(--fg-mute);background:rgba(255,255,255,.03)}

.thesis{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--ink-2)}
.thesis .wrap{padding:44px 28px}
.thesis p{font-family:var(--serif);font-size:clamp(19px,2.9vw,29px);line-height:1.45;font-weight:400;max-width:920px}
.thesis .em{color:var(--accent);font-style:italic}

section{padding:88px 0;position:relative}
.sec-tag{font-size:12.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--accent);font-weight:600;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.sec-tag::before{content:"";width:26px;height:1px;background:var(--accent);display:inline-block}
h2{font-family:var(--serif);font-weight:600;font-size:clamp(26px,4vw,42px);line-height:1.12;letter-spacing:-.02em;margin-bottom:20px;max-width:880px}
h2 .q{color:var(--fg-dim)}
.lead{font-size:clamp(15.5px,1.9vw,17.5px);color:var(--fg-mute);max-width:760px;margin-bottom:8px}
.lead b{color:var(--fg);font-weight:600}

.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s cubic-bezier(.2,.7,.2,1),transform .6s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:40px}
@media(max-width:820px){.stat-grid{grid-template-columns:1fr}}
.stat{background:linear-gradient(180deg,var(--panel),var(--ink-2));border:1px solid var(--line);border-radius:16px;padding:26px 24px;position:relative;overflow:hidden}
.stat::after{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--accent),transparent)}
.stat.bad::after{background:linear-gradient(90deg,var(--risk),transparent)}
.stat .num{font-family:var(--serif);font-size:44px;font-weight:600;line-height:1;letter-spacing:-.02em}
.stat.bad .num{color:var(--risk)}
.stat .num.good{color:var(--accent)}
.stat .lbl{margin-top:12px;font-size:14px;color:var(--fg-mute)}
.stat .src{margin-top:9px;font-size:11px;color:var(--fg-dim)}

.arch{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:40px}
@media(max-width:820px){.arch{grid-template-columns:1fr}}
.layer{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:26px;transition:.3s}
.layer:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.layer .ic{width:42px;height:42px;border-radius:11px;display:grid;place-items:center;margin-bottom:16px;font-size:19px;border:1px solid var(--line);background:color-mix(in srgb, var(--accent) 10%, transparent);color:var(--accent)}
.layer h3{font-size:17px;margin-bottom:4px;letter-spacing:-.01em}
.layer .en{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--fg-dim);margin-bottom:12px}
.layer p{font-size:13.5px;color:var(--fg-mute)}
.layer .tag{display:inline-block;margin-top:14px;font-size:11.5px;padding:4px 10px;border-radius:999px;border:1px solid var(--line);color:var(--fg-mute)}

table.kt{width:100%;border-collapse:collapse;font-size:13.5px;margin-top:20px}
table.kt th{text-align:left;color:var(--fg-dim);font-weight:600;font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;padding:10px 14px;border-bottom:1px solid var(--line-strong)}
table.kt td{padding:12px 14px;border-bottom:1px solid var(--line);color:var(--fg-mute)}
table.kt tr:hover td{background:rgba(255,255,255,.02)}
table.kt b{color:var(--fg)}

.badge{display:inline-block;font-size:11px;padding:3px 9px;border-radius:6px;font-weight:600;letter-spacing:.02em}
.b-green{background:rgba(52,229,168,.12);color:#34E5A8}
.b-yellow{background:rgba(232,180,90,.14);color:var(--gold)}
.b-red{background:rgba(255,111,111,.12);color:var(--risk)}

.twocol{display:grid;grid-template-columns:1fr 1fr;gap:44px;margin-top:38px}
@media(max-width:820px){.twocol{grid-template-columns:1fr;gap:30px}}
.feat{display:flex;gap:15px;padding:16px 0;border-bottom:1px solid var(--line)}
.feat .fi{flex:0 0 36px;height:36px;border-radius:9px;background:color-mix(in srgb, var(--accent) 10%, transparent);color:var(--accent);display:grid;place-items:center;font-size:16px;border:1px solid var(--line)}
.feat h4{font-size:15px;margin-bottom:3px}
.feat p{font-size:13.5px;color:var(--fg-mute)}

.ethics{background:var(--ink-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.ethics .wrap{padding:70px 28px}
.ethics .quote{font-family:var(--serif);font-size:clamp(18px,2.8vw,25px);line-height:1.5;max-width:840px;font-style:italic;color:var(--fg)}
.ethics .ec{display:flex;gap:12px;margin-top:26px;flex-wrap:wrap}
.echip{font-size:12.5px;color:var(--fg-mute);border:1px solid var(--line);border-radius:999px;padding:8px 15px;background:rgba(255,255,255,.02)}

.cta{position:relative;overflow:hidden;text-align:center;padding:110px 0}
.cta-glow{position:absolute;width:700px;height:500px;left:50%;top:0;transform:translateX(-50%);background:radial-gradient(circle,color-mix(in srgb, var(--accent) 14%, transparent),transparent 62%);filter:blur(16px)}
.cta .wrap{position:relative;z-index:2}
.cta h2{margin:0 auto 16px}
.cta p{max-width:560px;margin:0 auto 32px;color:var(--fg-mute);font-size:16.5px}

footer{border-top:1px solid var(--line);padding:44px 0 56px}
footer .wrap{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;align-items:flex-start}
.disc{max-width:640px;font-size:11.5px;color:var(--fg-dim);line-height:1.7}
.disc b{color:var(--fg-mute)}
footer .fb{font-family:var(--serif);font-size:17px;letter-spacing:.04em}
footer .fb span{color:var(--accent)}