/* ============================================================
   kubarig — professional cinematic landing
   ============================================================ */
:root{
  --bg:#08080a; --bg-2:#0d0d10; --panel:#121217; --panel-2:#16161c;
  --line:rgba(255,255,255,.08); --line-2:rgba(255,255,255,.14);
  --text:#f2f2ee; --dim:#9c9c99; --faint:#6a6a68;
  --accent:#e8b14c; --accent-2:#f3c873; --accent-deep:#b8862f;
  --silver:linear-gradient(180deg,#fff,#bfc4cc 60%,#8a9099);
  --maxw:1200px; --gut:clamp(20px,5vw,64px);
  --ease:cubic-bezier(.16,.84,.44,1);
  --r:16px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg); color:var(--text); font-family:'Inter',system-ui,sans-serif;
  font-weight:300; line-height:1.65; -webkit-font-smoothing:antialiased; overflow-x:hidden;
}
h1,h2,h3,h4,h5{font-family:'Space Grotesk',sans-serif; font-weight:600; line-height:1.08; letter-spacing:-.02em}
a{color:inherit; text-decoration:none}
img{display:block; max-width:100%}
section{position:relative}
::selection{background:var(--accent); color:#1a1304}

/* ---- grain + scroll progress ---- */
.grain{position:fixed; inset:0; z-index:1; pointer-events:none; opacity:.04; mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");}
.scroll-progress{position:fixed; top:0; left:0; height:2px; width:0; z-index:200;
  background:linear-gradient(90deg,var(--accent-deep),var(--accent-2)); transition:width .1s linear}

/* ---- header ---- */
.header{position:fixed; top:0; left:0; right:0; z-index:100; transition:background .4s var(--ease),backdrop-filter .4s var(--ease),border-color .4s var(--ease); border-bottom:1px solid transparent}
.header.scrolled{background:rgba(8,8,10,.7); backdrop-filter:blur(16px) saturate(1.2); border-bottom-color:var(--line)}
.header-inner{max-width:var(--maxw); margin:0 auto; padding:22px var(--gut) 16px; display:flex; flex-direction:column; align-items:center; gap:15px; transition:padding .4s var(--ease),gap .4s var(--ease)}
.header.scrolled .header-inner{padding-top:10px; padding-bottom:10px; gap:9px}
.brand-logo{height:100px; width:auto; display:block; transition:height .4s var(--ease)}
.header.scrolled .brand-logo{height:50px}
.nav-row{display:flex; align-items:center; gap:32px}
.nav-desktop a{font-size:.95rem; color:var(--dim); position:relative; transition:color .25s; white-space:nowrap}
.nav-desktop a:not(.nav-cta)::after{content:''; position:absolute; left:0; bottom:-5px; height:1px; width:0; background:var(--accent); transition:width .3s var(--ease)}
.nav-desktop a:hover{color:var(--text)}
.nav-desktop a:not(.nav-cta):hover::after{width:100%}
.nav-cta{border:1px solid var(--line-2); padding:8px 18px; border-radius:999px; color:var(--text)!important; transition:border-color .25s,background .25s}
.nav-cta:hover{border-color:var(--accent); background:rgba(232,177,76,.08)}
.lang-toggle{background:none; border:1px solid var(--line); color:var(--dim); border-radius:999px; padding:6px 12px; font:500 .76rem 'Inter'; cursor:pointer; letter-spacing:.04em; transition:border-color .25s; white-space:nowrap}
.lang-toggle:hover{border-color:var(--line-2)}
.lang-opt.active{color:var(--accent)}
.lang-sep{margin:0 3px; color:var(--faint)}
.menu-btn{display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:6px}
.menu-btn span{width:24px; height:2px; background:var(--text); transition:.3s}
.nav-mobile{display:none}

/* ---- buttons ---- */
.btn{display:inline-flex; align-items:center; gap:10px; padding:14px 26px; border-radius:999px; font:500 .95rem 'Inter'; cursor:pointer; border:1px solid transparent; transition:all .3s var(--ease)}
.btn-primary{background:var(--accent); color:#1a1304}
.btn-primary:hover{background:var(--accent-2); transform:translateY(-2px); box-shadow:0 14px 34px -10px rgba(232,177,76,.55)}
.btn-ghost{border-color:var(--line-2); color:var(--text)}
.btn-ghost:hover{border-color:rgba(255,255,255,.4); background:rgba(255,255,255,.04)}
.btn-lg{padding:18px 40px; font-size:1.05rem}
.btn-arrow{width:18px; height:18px; transition:transform .3s var(--ease)}
.btn-primary:hover .btn-arrow{transform:translateX(4px)}

/* ---- hero ---- */
.hero{position:relative; padding:200px var(--gut) 0; max-width:var(--maxw); margin:0 auto; min-height:100svh; display:flex; flex-direction:column; justify-content:center}
.hero-bg{position:absolute; inset:0; z-index:0; overflow:hidden}
.hero-grid{position:absolute; inset:-2px; background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px); background-size:64px 64px; mask-image:radial-gradient(ellipse 80% 60% at 30% 40%,#000,transparent 75%); opacity:.5}
.hero-glow{position:absolute; top:-15%; right:-5%; width:55vw; height:55vw; background:radial-gradient(circle,rgba(232,177,76,.14),transparent 60%); filter:blur(30px)}
.hero-inner{position:relative; z-index:2; display:grid; grid-template-columns:1.05fr .95fr; gap:48px; align-items:center; flex:1}
.eyebrow{display:flex; align-items:center; gap:14px; text-transform:uppercase; letter-spacing:.22em; font-size:.72rem; color:var(--accent); font-weight:500; margin-bottom:28px}
.eyebrow-line{width:34px; height:1px; background:var(--accent)}
.hero-title{font-size:clamp(2.8rem,6.4vw,5.4rem); font-weight:700; letter-spacing:-.03em}
.hero-title span{display:block}
.hero-title .grad{background:var(--silver); -webkit-background-clip:text; background-clip:text; color:transparent}
.hero-sub{margin:26px 0 38px; font-size:clamp(1rem,1.4vw,1.16rem); color:var(--dim); max-width:540px}
.hero-cta{display:flex; gap:14px; flex-wrap:wrap}

/* blueprint */
.blueprint{position:relative; background:linear-gradient(160deg,var(--panel),var(--bg-2)); border:1px solid var(--line); border-radius:var(--r); padding:26px; overflow:hidden;
  background-image:linear-gradient(160deg,var(--panel),var(--bg-2)),linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:100% 100%,28px 28px,28px 28px}
.blueprint::after{content:''; position:absolute; inset:0; background:radial-gradient(circle at 70% 20%,rgba(232,177,76,.10),transparent 55%); pointer-events:none}
.bp-tag{position:absolute; top:16px; left:18px; font:500 .66rem 'Space Grotesk'; letter-spacing:.18em; color:var(--faint); z-index:2}
.bp-svg{width:100%; height:auto; display:block; position:relative; z-index:1; animation:floaty 7s ease-in-out infinite}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
.bp-line{fill:none; stroke:rgba(255,255,255,.55); stroke-width:1.6}
.bp-thin{stroke:rgba(255,255,255,.25); stroke-width:1}
.bp-accent{fill:none; stroke:var(--accent); stroke-width:2; filter:drop-shadow(0 0 6px rgba(232,177,76,.4))}
.bp-center{stroke:rgba(255,255,255,.18); stroke-width:1; stroke-dasharray:6 5}
.bp-dim line{stroke:var(--accent-2); stroke-width:1}
.bp-dim path{fill:var(--accent-2)}
.bp-dim text{fill:var(--dim); font:400 11px 'Space Grotesk'; letter-spacing:.05em}
.bp-reg{fill:none; stroke:var(--faint); stroke-width:1.4}
.bp-foot{position:relative; z-index:2; display:flex; justify-content:space-between; margin-top:14px; font:500 .72rem 'Space Grotesk'; letter-spacing:.04em; color:var(--faint)}
.bp-img{width:100%; height:auto; display:block; position:relative; z-index:1; animation:floaty 7s ease-in-out infinite}
.bp-prov{position:absolute; top:14px; right:14px; z-index:3; font:600 .58rem 'Space Grotesk'; letter-spacing:.16em; color:var(--accent); border:1px solid rgba(232,177,76,.4); background:rgba(232,177,76,.08); padding:4px 9px; border-radius:999px; text-transform:uppercase}

/* hero stats */
.hero-stats{position:relative; z-index:2; display:grid; grid-template-columns:repeat(4,1fr); gap:24px; padding:36px 0 48px; margin-top:24px; border-top:1px solid var(--line)}
.stat{display:flex; flex-direction:column; gap:4px}
.stat-num{font:600 clamp(1.6rem,3vw,2.4rem) 'Space Grotesk'; color:var(--text); letter-spacing:-.02em}
.stat-num .unit{font-size:.6em; color:var(--accent)}
.stat-label{font-size:.82rem; color:var(--dim)}

/* marquee */
.marquee-wrap{padding:46px 0; border-top:1px solid var(--line); border-bottom:1px solid var(--line); background:var(--bg-2); overflow:hidden}
.marquee-label{text-align:center; text-transform:uppercase; letter-spacing:.2em; font-size:.72rem; color:var(--faint); margin-bottom:26px}
.marquee{overflow:hidden; -webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent); mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.marquee-track{display:inline-flex; align-items:center; gap:30px; white-space:nowrap; animation:scrollx 26s linear infinite; font:600 1.5rem 'Space Grotesk'; letter-spacing:.02em; color:var(--text)}
.marquee-track span{opacity:.45; transition:opacity .3s}
.marquee-track i{color:var(--accent); font-style:normal}
.marquee:hover .marquee-track{animation-play-state:paused}
@keyframes scrollx{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* sections */
.section{max-width:var(--maxw); margin:0 auto; padding:clamp(90px,13vh,150px) var(--gut)}
.section-head{max-width:760px; margin-bottom:64px}
.section-tag{text-transform:uppercase; letter-spacing:.2em; font:500 .74rem 'Space Grotesk'; color:var(--accent); margin-bottom:18px}
.section-tag.center{text-align:center}
.section-head h2{font-size:clamp(1.9rem,4vw,3rem)}
.section-lead{margin-top:20px; color:var(--dim); font-size:1.08rem; max-width:620px}

/* feature rows */
.feature{display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:center; padding:46px 0; border-top:1px solid var(--line)}
.feature--rev .feature-visual{order:2}
.feature-kicker{text-transform:uppercase; letter-spacing:.18em; font:500 .72rem 'Space Grotesk'; color:var(--accent)}
.feature-body h3{font-size:clamp(1.5rem,2.6vw,2.1rem); margin:14px 0 16px}
.feature-body>p{color:var(--dim); font-size:1.04rem; margin-bottom:24px}
.spec{list-style:none; display:flex; flex-direction:column; gap:12px; margin-bottom:28px}
.spec li{position:relative; padding-left:28px; color:var(--text); font-size:.98rem}
.spec li::before{content:''; position:absolute; left:0; top:8px; width:13px; height:7px; border-left:2px solid var(--accent); border-bottom:2px solid var(--accent); transform:rotate(-45deg)}
.feature-meta{font:500 .82rem 'Space Grotesk'; letter-spacing:.06em; color:var(--faint); margin:-10px 0 26px}
.cable-block{margin:0 0 26px}
.cable-label{font:600 .72rem 'Space Grotesk'; text-transform:uppercase; letter-spacing:.16em; color:var(--faint); margin-bottom:12px}
.cable-tags{display:flex; flex-wrap:wrap; gap:8px}
.cable-tag{font:500 .84rem 'Space Grotesk'; color:var(--text); background:var(--panel-2); border:1px solid var(--line-2); border-radius:999px; padding:6px 14px; letter-spacing:.02em; transition:border-color .25s,color .25s}
.cable-tag:hover{border-color:var(--accent); color:var(--accent)}
.feature-link{display:inline-flex; align-items:center; gap:10px; font:500 .98rem 'Inter'; color:var(--text); border-bottom:1px solid var(--line-2); padding-bottom:5px; transition:gap .3s var(--ease),border-color .3s}
.feature-link:hover{gap:16px; border-color:var(--accent)}
.feature-link .arr{color:var(--accent)}
.blueprint--card .bp-svg{animation-duration:8s}
.feature-visual .blueprint{padding:30px}

/* process */
.steps{display:grid; grid-template-columns:repeat(4,1fr); gap:24px}
.step{padding:30px 26px; background:var(--panel); border:1px solid var(--line); border-radius:var(--r); transition:transform .4s var(--ease),border-color .4s}
.step:hover{transform:translateY(-6px); border-color:var(--line-2)}
.step-num{font:600 .9rem 'Space Grotesk'; color:var(--accent); letter-spacing:.1em}
.step h4{font-size:1.3rem; margin:16px 0 10px}
.step p{color:var(--dim); font-size:.94rem}

/* about */
.about{border-top:1px solid var(--line)}
.about-grid{display:grid; grid-template-columns:1fr 1.05fr; gap:64px; align-items:start}
.about-intro h2{font-size:clamp(1.8rem,3.4vw,2.7rem); margin:16px 0 22px}
.about-intro>p{color:var(--dim); font-size:1.08rem; margin-bottom:30px}
.values{display:flex; flex-direction:column; gap:18px}
.value{display:grid; grid-template-columns:auto 1fr; gap:20px 22px; padding:26px; background:var(--panel); border:1px solid var(--line); border-radius:var(--r); align-items:center; transition:border-color .35s}
.value:hover{border-color:rgba(232,177,76,.3)}
.value-ic{grid-row:span 2; width:46px; height:46px; border-radius:11px; background:rgba(232,177,76,.1); border:1px solid rgba(232,177,76,.25); display:flex; align-items:center; justify-content:center; color:var(--accent)}
.value-ic svg{width:22px; height:22px}
.value h4{align-self:end; font-size:1.12rem}
.value p{align-self:start; grid-column:2; color:var(--dim); font-size:.92rem; margin-top:-8px}

/* faq */
.faq{border-top:1px solid var(--line)}
.faq-list{display:flex; flex-direction:column; border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{list-style:none; cursor:pointer; display:flex; align-items:center; justify-content:space-between; gap:20px; padding:26px 0; font:500 1.12rem 'Space Grotesk'; color:var(--text); transition:color .25s}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--accent)}
.faq-ic{position:relative; flex:none; width:18px; height:18px}
.faq-ic::before,.faq-ic::after{content:''; position:absolute; background:var(--accent); transition:transform .3s var(--ease)}
.faq-ic::before{top:8px; left:0; width:18px; height:2px}
.faq-ic::after{top:0; left:8px; width:2px; height:18px}
.faq-item[open] .faq-ic::after{transform:scaleY(0)}
.faq-item p{color:var(--dim); padding:0 40px 26px 0; max-width:760px; font-size:1rem}

/* cta */
.cta{position:relative; text-align:center; padding:clamp(90px,14vh,160px) var(--gut); overflow:hidden; border-top:1px solid var(--line)}
.cta-bg{position:absolute; inset:0; background:radial-gradient(ellipse 60% 100% at 50% 100%,rgba(232,177,76,.16),transparent 70%)}
.cta-inner{position:relative; z-index:2; max-width:760px; margin:0 auto}
.cta h2{font-size:clamp(2rem,4.4vw,3.2rem); margin-bottom:18px}
.cta-sub{color:var(--dim); font-size:1.1rem; margin-bottom:38px}

/* footer */
.footer{border-top:1px solid var(--line); background:var(--bg-2)}
.footer-inner{max-width:var(--maxw); margin:0 auto; padding:64px var(--gut) 40px; display:grid; grid-template-columns:1.6fr 1fr 1fr; gap:48px}
.footer-logo{height:46px; margin-bottom:20px}
.footer-brand p{color:var(--dim); font-size:.95rem; max-width:300px}
.footer-parent{margin-top:14px!important; font:500 .82rem 'Space Grotesk'; letter-spacing:.03em; color:var(--faint)}
.footer-col h5{font-size:.78rem; text-transform:uppercase; letter-spacing:.16em; color:var(--faint); margin-bottom:18px; font-weight:600}
.footer-col a{display:block; color:var(--dim); font-size:.95rem; padding:6px 0; transition:color .25s}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{max-width:var(--maxw); margin:0 auto; padding:24px var(--gut); border-top:1px solid var(--line); display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px; color:var(--faint); font-size:.82rem}

/* reveal */
.reveal{opacity:0; transform:translateY(30px); transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1; transform:none}

/* responsive */
@media(max-width:980px){
  .hero-inner{grid-template-columns:1fr; gap:40px}
  .hero-visual{max-width:440px}
  .about-grid{grid-template-columns:1fr; gap:40px}
  .steps{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:900px){
  .header-inner{flex-direction:row; justify-content:space-between; align-items:center; gap:0; padding:14px var(--gut)}
  .nav-desktop{display:none}
  .brand-logo{height:50px}
  .header.scrolled .brand-logo{height:44px}
  .hero{padding-top:120px}
  .menu-btn{display:flex; z-index:120}
  .nav-mobile{display:flex; position:fixed; inset:0 0 0 auto; width:min(80vw,330px); flex-direction:column; justify-content:center; align-items:flex-start; gap:26px; padding:48px; background:var(--bg-2); border-left:1px solid var(--line); transform:translateX(100%); transition:transform .4s var(--ease); z-index:110}
  .nav-mobile.open{transform:none}
  .nav-mobile a{font-size:1.4rem; color:var(--dim); transition:color .25s}
  .nav-mobile a:hover{color:var(--text)}
}
@media(max-width:760px){
  .feature,.feature--rev{grid-template-columns:1fr; gap:32px}
  .feature--rev .feature-visual{order:0}
  .feature-visual{max-width:460px}
  .hero-stats{grid-template-columns:repeat(2,1fr); gap:28px 20px}
  .footer-inner{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1/-1}
}
@media(max-width:460px){
  .steps{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:1fr 1fr}
}