:root{--ink:#0b203b;--ink2:#132d4c;--paper:#f7f9fb;--white:#fff;--muted:#667488;--line:#dfe5eb;--soft:#edf1f5;--max:1240px;--shadow:0 18px 50px rgba(11,32,59,.09)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper);line-height:1.55}a{color:inherit;text-decoration:none}button{font:inherit}.container{width:min(calc(100% - 40px),var(--max));margin:auto}
.topbar{position:sticky;top:0;z-index:20;background:rgba(247,249,251,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(223,229,235,.9)}.nav{height:74px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand,.smallbrand{display:flex;align-items:center;gap:12px;font-weight:850;letter-spacing:.16em}.mark{width:38px;height:38px;display:grid;place-items:center}.mark svg{width:100%;height:100%}.navlinks{display:flex;align-items:center;gap:25px;font-size:14px;font-weight:650}.langs{display:flex;gap:6px;border:1px solid var(--line);border-radius:999px;padding:4px;background:#fff}.langs a{padding:6px 9px;border-radius:999px;font-size:12px;font-weight:800;color:var(--muted)}.langs a.active{background:var(--ink);color:#fff}
.hero{padding:92px 0 64px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,#fff 0%,#f7f9fb 100%)}.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:64px;align-items:center}.eyebrow{font-size:12px;letter-spacing:.18em;text-transform:uppercase;font-weight:850;color:var(--muted)}h1{font-size:clamp(48px,7vw,88px);line-height:.95;letter-spacing:-.055em;margin:18px 0 28px;max-width:850px}.hero p{font-size:20px;color:#42536a;max-width:760px;margin:0 0 30px}.actions{display:flex;gap:12px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 18px;border-radius:12px;border:1px solid var(--ink);font-weight:750;font-size:14px;transition:.2s}.btn.primary{background:var(--ink);color:#fff}.btn.secondary{background:#fff;color:var(--ink)}.btn:hover{transform:translateY(-1px);box-shadow:0 8px 22px rgba(11,32,59,.10)}
.hero-panel{background:var(--ink);color:#fff;border-radius:28px;padding:34px;box-shadow:var(--shadow);min-height:420px;display:flex;flex-direction:column;justify-content:space-between}.hero-panel .bigmark{width:110px;height:110px}.hero-panel h2{font-size:34px;letter-spacing:-.035em;margin:28px 0 10px}.hero-panel p{color:#c7d0db;font-size:16px;margin:0}.metric-row{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#2b4058;border:1px solid #2b4058;border-radius:16px;overflow:hidden;margin-top:28px}.metric{background:#102945;padding:17px}.metric b{display:block;font-size:22px}.metric span{font-size:11px;color:#bdc8d4;text-transform:uppercase;letter-spacing:.08em}.notice{padding:14px 18px;border:1px solid var(--line);border-radius:14px;background:#fff;margin:34px auto 0;font-size:13px;color:#4e6076}
.section{padding:82px 0}.section.dark{background:var(--ink);color:#fff}.section-head{display:flex;align-items:end;justify-content:space-between;gap:40px;margin-bottom:34px}.section-head h2{font-size:clamp(34px,4vw,56px);line-height:1;letter-spacing:-.045em;margin:8px 0 0}.section-head p{max-width:560px;color:var(--muted);margin:0}.dark .section-head p{color:#b9c5d1}.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:26px}.filter{border:1px solid var(--line);background:#fff;color:var(--ink);padding:8px 12px;border-radius:999px;font-size:12px;font-weight:800;cursor:pointer}.filter.active{background:var(--ink);color:#fff;border-color:var(--ink)}
.module-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.module{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;min-height:225px;transition:.2s}.module:hover{transform:translateY(-2px);box-shadow:var(--shadow)}.module.hidden{display:none}.module-top{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:22px}.code{font-size:11px;letter-spacing:.14em;font-weight:850;color:var(--muted);border:1px solid var(--line);padding:5px 8px;border-radius:999px}.group{font-size:11px;color:#7a8797}.module h3{font-size:20px;line-height:1.15;margin:0 0 10px;letter-spacing:-.025em}.module p{font-size:14px;color:#53647a;margin:0}.module .details{margin-top:14px;padding-top:14px;border-top:1px solid var(--soft);font-size:12px;color:#718096}
.pillars{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.pillar{border:1px solid rgba(255,255,255,.14);border-radius:18px;padding:24px;background:rgba(255,255,255,.035)}.pillar .n{font-size:11px;letter-spacing:.16em;color:#9fb0c1}.pillar h3{font-size:21px;margin:18px 0 9px}.pillar p{color:#c2ccd7;font-size:14px;margin:0}.arch{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}.arch-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px}.arch-card h3{font-size:26px;margin:0 0 18px}.arch-list{display:grid;gap:12px}.arch-item{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--soft)}.arch-item:last-child{border-bottom:0}.dot{width:9px;height:9px;border-radius:50%;background:var(--ink);margin-top:7px;flex:none}.arch-item b{display:block;font-size:14px}.arch-item span{font-size:13px;color:#68788b}
.faq{display:grid;grid-template-columns:.8fr 1.2fr;gap:50px}details{border-top:1px solid var(--line);padding:18px 0}details:last-child{border-bottom:1px solid var(--line)}summary{cursor:pointer;font-weight:750;list-style:none;display:flex;justify-content:space-between;gap:18px}summary:after{content:"+";font-size:22px;font-weight:400}details[open] summary:after{content:"−"}details p{color:#607185;font-size:14px;max-width:760px}.cta{border-radius:28px;background:var(--ink);color:#fff;padding:54px;display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center}.cta h2{font-size:42px;line-height:1;letter-spacing:-.04em;margin:0 0 12px}.cta p{color:#c7d0db;margin:0;max-width:760px}.cta .btn{border-color:#fff;background:#fff;color:var(--ink)}
footer{padding:34px 0 46px;color:#6a788a;font-size:13px}.footer-grid{display:flex;justify-content:space-between;gap:30px;align-items:center;border-top:1px solid var(--line);padding-top:28px}.smallbrand{color:var(--ink)}.smallbrand .mark{width:28px;height:28px}.kicker{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:750;color:#5e6d7f}.kicker:before{content:"";width:7px;height:7px;border-radius:50%;background:#8da0b4}
@media(max-width:980px){.navlinks{display:none}.hero-grid,.arch,.faq{grid-template-columns:1fr}.hero-panel{min-height:auto}.module-grid{grid-template-columns:repeat(2,1fr)}.pillars{grid-template-columns:repeat(2,1fr)}.cta{grid-template-columns:1fr}.section-head{display:block}.section-head p{margin-top:16px}}
@media(max-width:620px){.container{width:min(calc(100% - 24px),var(--max))}.nav{height:64px}.brand{font-size:13px}.hero{padding:62px 0 42px}h1{font-size:52px}.hero p{font-size:17px}.hero-panel{padding:24px}.metric-row{grid-template-columns:1fr}.module-grid,.pillars{grid-template-columns:1fr}.section{padding:62px 0}.cta{padding:30px}.cta h2{font-size:34px}.footer-grid{align-items:flex-start;flex-direction:column}}

.diff-section{padding:88px 0;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.diff-intro{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px;align-items:start;margin-bottom:38px}.diff-intro h2{font-size:clamp(38px,5vw,64px);line-height:.98;letter-spacing:-.05em;margin:8px 0 0}.diff-intro p{font-size:18px;color:#56687d;margin:24px 0 0;max-width:760px}
.diff-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.diff-card{border:1px solid var(--line);border-radius:18px;padding:26px;background:var(--paper);min-height:290px}.diff-card>span{display:inline-flex;font-size:11px;font-weight:850;letter-spacing:.15em;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:5px 8px;background:#fff}.diff-card h3{font-size:23px;line-height:1.08;letter-spacing:-.03em;margin:24px 0 12px}.diff-card p{font-size:14px;color:#57697e;margin:0}
.efficiency{padding:86px 0;background:#eef2f6}.eff-head{max-width:980px;margin-bottom:34px}.eff-head h2{font-size:clamp(38px,5vw,64px);line-height:.98;letter-spacing:-.05em;margin:8px 0 20px}.eff-head p{font-size:18px;color:#56687d;max-width:780px}.eff-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.eff-item{background:#fff;border:1px solid var(--line);border-radius:15px;padding:21px}.eff-item b{font-size:16px}.eff-item p{font-size:13px;color:#637488;margin:8px 0 0}
.flow-wrap{padding:86px 0;background:var(--ink);color:#fff}.flow-head{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px;align-items:end;margin-bottom:36px}.flow-head h2{font-size:clamp(38px,5vw,62px);line-height:.98;letter-spacing:-.05em;margin:8px 0 0}.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:#31465e;border:1px solid #31465e;border-radius:18px;overflow:hidden}.flow-step{background:#102945;padding:26px;min-height:250px}.flow-step>span{font-size:11px;color:#9fb0c1;letter-spacing:.14em;font-weight:850}.flow-step h3{font-size:22px;margin:28px 0 10px}.flow-step p{font-size:14px;color:#c2ccd7;margin:0}
.compare{padding:86px 0}.compare-head{max-width:950px;margin-bottom:34px}.compare-head h2{font-size:clamp(38px,5vw,62px);line-height:.98;letter-spacing:-.05em;margin:8px 0 0}.compare-table{border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fff}.compare-row{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line)}.compare-row:first-child{border-top:0}.compare-row>div{padding:20px 24px;font-size:14px;color:#5d6d80}.compare-row>div+div{border-left:1px solid var(--line);color:var(--ink);font-weight:650}.compare-row.header>div{background:#eef2f6;font-size:12px;text-transform:uppercase;letter-spacing:.08em;font-weight:850;color:#5e6d7f}.compare-row.header>div+div{background:var(--ink);color:#fff}
@media(max-width:980px){.diff-intro,.flow-head{grid-template-columns:1fr}.diff-grid,.eff-grid{grid-template-columns:repeat(2,1fr)}.flow-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.diff-section,.efficiency,.flow-wrap,.compare{padding:62px 0}.diff-grid,.eff-grid,.flow-grid{grid-template-columns:1fr}.compare-row{grid-template-columns:1fr}.compare-row>div+div{border-left:0;border-top:1px solid var(--line)}}

/* OIKVRA V3 — first-stage / expansion roadmap */
.roadmap-section{background:#eef2f6;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.roadmap-badge{display:inline-flex;align-items:center;border:1px solid #b9c7d6;background:#fff;border-radius:999px;padding:7px 11px;font-size:11px;font-weight:850;letter-spacing:.12em;color:#51647a;margin-bottom:18px}
.roadmap-intro{display:grid;grid-template-columns:.82fr 1.18fr;gap:56px;align-items:start;margin-bottom:30px}.roadmap-intro h2{font-size:clamp(38px,5vw,64px);line-height:.98;letter-spacing:-.05em;margin:8px 0 0}.roadmap-intro p{font-size:17px;color:#56687d;margin:24px 0 0;max-width:780px}
.roadmap-stats{display:grid;grid-template-columns:1fr 1fr 1.3fr;gap:12px;margin:30px 0}.roadmap-stat{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px}.roadmap-stat b{display:block;font-size:30px;letter-spacing:-.035em}.roadmap-stat span{font-size:12px;color:#69798c}.roadmap-stat code{font-size:14px;font-weight:800;color:var(--ink);word-break:break-word}
.expansion-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.expansion-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:23px;min-height:225px}.expansion-top{display:flex;align-items:center;justify-content:space-between}.roadmap-count{display:inline-grid;place-items:center;min-width:34px;height:34px;border-radius:50%;background:var(--ink);color:#fff;font-size:12px;font-weight:850}.expansion-card h3{font-size:22px;letter-spacing:-.025em;margin:25px 0 10px}.expansion-card p{font-size:14px;color:#5a6b80;margin:0}
.foundation-box{margin-top:24px;background:var(--ink);color:#fff;border-radius:24px;padding:34px;display:grid;grid-template-columns:.9fr 1.1fr;gap:38px}.foundation-box h3{font-size:32px;line-height:1.05;letter-spacing:-.04em;margin:8px 0 14px}.foundation-box p{color:#c3ced9;margin:0}.foundation-box .eyebrow{color:#9fb0c1}.foundation-list{display:flex;align-content:flex-start;flex-wrap:wrap;gap:9px}.foundation-list span{border:1px solid #425875;border-radius:999px;padding:9px 12px;font-size:12px;color:#d7dfe8;background:#122b49}
.sector-box{margin-top:24px;background:#fff;border:1px solid var(--line);border-radius:24px;padding:30px}.sector-head{display:grid;grid-template-columns:.75fr 1.25fr;gap:34px;align-items:start}.sector-head h3{font-size:30px;line-height:1.05;letter-spacing:-.035em;margin:8px 0 0}.sector-head p{color:#617186;margin:8px 0 0}.sector-grid{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}.sector-chip{border:1px solid var(--line);background:var(--paper);padding:8px 11px;border-radius:999px;font-size:12px;font-weight:700;color:#54667a}
.roadmap-gate{margin-top:24px;border-left:4px solid var(--ink);background:#fff;border-radius:0 16px 16px 0;padding:22px 24px}.roadmap-gate b{display:block;font-size:17px;margin-bottom:5px}.roadmap-gate p{margin:0;color:#65758a;font-size:14px}
@media(max-width:980px){.roadmap-intro,.foundation-box,.sector-head{grid-template-columns:1fr}.expansion-grid{grid-template-columns:repeat(2,1fr)}.roadmap-stats{grid-template-columns:1fr 1fr}.roadmap-stat:last-child{grid-column:1/-1}}
@media(max-width:620px){.expansion-grid,.roadmap-stats{grid-template-columns:1fr}.roadmap-stat:last-child{grid-column:auto}.foundation-box,.sector-box{padding:24px}}