/* ============================================================
   kliimask.ee — site styles
   Sections: tokens · base · nav · section headings · hero ·
   about & skills · experience table · featured build ·
   infographic & lightbox · projects · github activity ·
   contact · footer · reveal animation · responsive
   ============================================================ */

/* ---------- tokens ---------- */
:root{
  color-scheme:dark;
  --bg:#090B24; --panel:#111434; --card:#14173B; --card2:#1B1F4B;
  --line:rgba(255,255,255,.14); --line-soft:rgba(255,255,255,.08);
  --text:#F8F8FF; --sub:#BABBE2; --faint:#8385B7;
  --accent:#5D6BFF; --accent2:#9C7CFF; --violet:#B8B6FF; --green:#39E0B1; --amber:#FFC46B;
  --btn-fg:#FFFFFF; --accent-glow:rgba(93,107,255,.25);
  --grid-line:rgba(255,255,255,.04); --nav-bg:rgba(9,11,36,.78);
  --maxw:1248px;
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --sans:'Inter',system-ui,-apple-system,sans-serif;
  --display:'Red Hat Display','Inter',system-ui,-apple-system,sans-serif;
}

/* ---------- base ---------- */
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--sans);-webkit-font-smoothing:antialiased;line-height:1.5;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(circle at 76% 11%,rgba(5,0,255,.18) 0 38px,transparent 82px),
    radial-gradient(circle at 84% 24%,rgba(5,0,255,.28) 0 76px,transparent 150px),
    radial-gradient(circle at 64% 4%,rgba(74,58,255,.13) 0 70px,transparent 145px),
    linear-gradient(to right,var(--grid-line) 1px,transparent 1px),
    linear-gradient(to bottom,var(--grid-line) 1px,transparent 1px);
  background-size:auto,auto,auto,96px 96px,96px 96px;
  mask-image:linear-gradient(#000 0 70%,transparent 100%)}
body::after{content:"";position:fixed;right:-170px;top:210px;width:620px;height:620px;z-index:0;pointer-events:none;border-radius:45% 55% 56% 44%;
  background:radial-gradient(circle at 48% 34%,rgba(5,0,255,.5),rgba(156,124,255,.18) 42%,rgba(255,255,255,.02) 70%);
  filter:blur(2px);opacity:.45}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;position:relative;z-index:1}
a{color:inherit;text-decoration:none}
.mono{font-family:var(--mono)}
.dot{width:7px;height:7px;border-radius:50%;display:inline-block;flex:none}
.dot-accent{background:var(--accent)}
.dot-violet{background:var(--violet)}
.dot-green{background:var(--green)}
.dot-amber{background:var(--amber)}

/* ---------- nav ---------- */
nav{position:sticky;top:0;z-index:50;border-bottom:1px solid transparent;background:var(--nav-bg);backdrop-filter:blur(18px)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:82px}
.brand{display:flex;align-items:center;gap:12px;font-family:var(--display);font-size:23px;font-weight:900;letter-spacing:-.8px;text-transform:uppercase}
.brand .dot{width:32px;height:18px;border-radius:999px;background:var(--accent);box-shadow:14px 0 0 -7px var(--accent),0 0 34px rgba(5,0,255,.28)}
.nav-links{display:flex;gap:36px;font-family:var(--display);font-size:14px;font-weight:800;letter-spacing:.3px;text-transform:uppercase}
.nav-links a{color:var(--text);transition:color .15s,text-decoration-color .15s;text-decoration:underline;text-decoration-color:transparent;text-underline-offset:4px}
.nav-links a:hover{color:var(--accent);text-decoration-color:var(--accent)}
.nav-cta{display:flex;align-items:center;gap:8px;font-family:var(--display);font-size:14px;font-weight:900;color:var(--accent2);letter-spacing:.4px;text-transform:uppercase;border:0;padding:10px 0;border-radius:999px;transition:color .15s}
.nav-cta:hover{color:var(--accent)}
.nav-cta .dot{width:46px;height:46px;margin-left:6px;background:var(--accent);box-shadow:0 16px 32px -18px var(--accent)}
.nav-right{display:flex;align-items:center;gap:10px}

/* ---------- section headings ---------- */
.kicker{font-family:var(--display);font-size:15px;font-weight:900;color:var(--accent);letter-spacing:.4px;text-transform:uppercase}
.sec-title{font-family:var(--display);font-size:clamp(32px,5vw,58px);font-weight:900;letter-spacing:-1.8px;line-height:.95;margin-top:10px;text-transform:uppercase}
.sec-title.lg{font-size:clamp(36px,5.2vw,64px);letter-spacing:-2px}
.sec-title .rule{display:inline-block;width:52px;height:7px;background:var(--accent);border-radius:999px;margin-right:16px;vertical-align:middle;transform:translateY(-10px)}
.band{padding-top:86px}

/* ---------- hero ---------- */
.hero{display:grid;grid-template-columns:minmax(0,1fr) 500px;gap:34px;align-items:center;min-height:calc(100vh - 82px);padding:46px 0 80px}
.status{display:inline-flex;align-items:center;gap:10px;font-family:var(--display);font-size:22px;font-weight:900;color:var(--accent);letter-spacing:.1px;text-transform:uppercase}
.status .dot{width:8px;height:8px;background:var(--accent)}
.hero h1{font-family:var(--display);font-size:clamp(66px,9.4vw,126px);font-weight:900;letter-spacing:-5px;line-height:.88;margin-top:30px;text-transform:uppercase;max-width:930px}
.hero .role{font-family:var(--display);font-size:clamp(25px,3.2vw,42px);font-weight:900;color:var(--accent);letter-spacing:-.6px;margin-top:16px;text-transform:uppercase}
.hero p.lead{font-size:18px;color:var(--sub);line-height:1.68;max-width:650px;margin-top:24px}
.ctas{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:10px;min-height:58px;padding:17px 31px;border-radius:999px;font-family:var(--display);font-size:15px;font-weight:900;letter-spacing:.2px;text-transform:uppercase;transition:transform .12s,box-shadow .2s,background .15s,border-color .15s,color .15s}
.btn-primary{background:var(--accent);color:var(--btn-fg);box-shadow:0 18px 42px -22px var(--accent)}
.btn-primary:hover{box-shadow:0 0 0 7px var(--accent-glow),0 24px 50px -24px var(--accent);transform:translateY(-2px)}
.btn-ghost{border:1px solid var(--line);color:var(--text);background:rgba(255,255,255,.06)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);background:rgba(5,0,255,.07)}

.hero-art{position:relative;min-height:600px}
.hero-art::before,.hero-art::after{content:"";position:absolute;border-radius:50%;background:radial-gradient(circle at 38% 30%,#C9CCFF 0 14%,#6E73FF 36%,#0500FF 72%);box-shadow:0 28px 56px -34px var(--accent)}
.hero-art::before{width:110px;height:110px;right:112px;top:54px}
.hero-art::after{width:52px;height:52px;right:16px;top:210px;opacity:.85}
.funnel{position:absolute;right:8px;top:150px;width:420px;height:410px;border-radius:38px 38px 44px 44px;background:linear-gradient(135deg,rgba(255,255,255,.78),rgba(211,216,255,.74) 48%,rgba(5,0,255,.28));clip-path:polygon(0 0,100% 0,100% 46%,63% 80%,63% 100%,40% 100%,40% 80%,0 46%);box-shadow:inset 0 0 80px rgba(5,0,255,.22),0 40px 85px -58px var(--accent)}
.funnel::before{content:"";position:absolute;width:168px;height:168px;border-radius:50%;left:47%;top:22%;transform:translateX(-50%);background:radial-gradient(circle,rgba(5,0,255,.48),rgba(5,0,255,.12) 56%,transparent 72%);filter:blur(3px)}
.orb{position:absolute;border-radius:50%;background:linear-gradient(120deg,rgba(255,255,255,.85),rgba(5,0,255,.7) 62%,#0500ff);box-shadow:0 26px 46px -34px var(--accent)}
.orb.one{width:168px;height:168px;right:94px;top:300px}
.orb.two{width:64px;height:64px;right:300px;top:250px}
.orb.three{width:30px;height:30px;right:210px;top:118px}
.hero-panel{position:absolute;left:0;bottom:16px;width:min(360px,78%);border:1px solid var(--line);border-radius:22px;background:rgba(20,23,59,.74);backdrop-filter:blur(16px);box-shadow:0 28px 80px -48px rgba(5,0,255,.6);overflow:hidden}
.hero-panel .hp-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line-soft);font-family:var(--display);font-weight:900;text-transform:uppercase}
.hero-panel .hp-dot{width:42px;height:42px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 9px rgba(5,0,255,.12)}
.hero-panel .hp-row{display:grid;grid-template-columns:66px 1fr;gap:16px;padding:18px 20px;border-bottom:1px solid var(--line-soft)}
.hero-panel .hp-row:last-child{border-bottom:0}
.hero-panel .hp-num{font-family:var(--display);font-size:26px;font-weight:900;color:var(--accent)}
.hero-panel .hp-title{font-family:var(--display);font-weight:900;text-transform:uppercase;line-height:1}
.hero-panel .hp-copy{font-size:13px;color:var(--sub);margin-top:6px}

/* ---------- about & skills ---------- */
.bento{display:grid;grid-template-columns:1fr;gap:16px;margin-top:20px}
.card{background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.035));border:1px solid var(--line);border-radius:22px;box-shadow:0 28px 80px -58px rgba(0,0,0,.85)}
.pad{padding:34px}
.label{font-family:var(--display);font-size:14px;font-weight:900;color:var(--accent);letter-spacing:.4px;text-transform:uppercase}
.about p{font-size:17px;line-height:1.68;color:var(--sub);margin-top:16px;max-width:920px}
.about p.strong{color:var(--text)}
.stats{display:flex;flex-direction:column}
.stat{display:flex;align-items:center;justify-content:space-between;padding:22px 28px;border-bottom:1px solid var(--line-soft)}
.stat:last-child{border-bottom:0}
.stat .lab{font-family:var(--mono);font-size:13px;color:var(--sub);max-width:60%}
.stat .num{font-size:34px;font-weight:800;letter-spacing:-1px}
.skills{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:18px}
.skill{padding:26px 24px;position:relative;overflow:hidden}
.skill::before{content:"";position:absolute;inset:0 0 auto;height:6px;background:linear-gradient(90deg,var(--accent),rgba(5,0,255,0));opacity:.8}
.skill .sh{display:flex;align-items:center;gap:10px;font-family:var(--display);font-size:15px;font-weight:900;text-transform:uppercase;margin-bottom:18px}
.skill ul{list-style:none;display:flex;flex-direction:column;gap:11px}
.skill li{display:flex;align-items:center;gap:10px;font-size:15px;color:var(--sub);font-weight:500}
.skill li .ix{font-family:var(--mono);font-size:12px;color:var(--faint)}

/* ---------- experience table ---------- */
.table{margin-top:20px;overflow:hidden}
.trow{display:grid;grid-template-columns:58px 300px 1fr 150px;gap:18px;align-items:center;padding:25px 30px;border-bottom:1px solid var(--line-soft);transition:background .15s,transform .15s}
.trow.head{padding:14px 26px;border-bottom:1px solid var(--line)}
.trow.head span{font-family:var(--display);font-size:12px;font-weight:900;color:var(--accent);letter-spacing:.5px;text-transform:uppercase}
.trow.item:last-child{border-bottom:0}
.trow.item:hover{background:rgba(5,0,255,.055);transform:translateX(4px)}
.trow .ix{font-family:var(--display);font-size:22px;font-weight:900;color:var(--accent)}
.trow .role-c{display:flex;flex-direction:column;gap:3px}
.trow .role-c .r{font-family:var(--display);font-size:20px;font-weight:900;letter-spacing:-.3px;text-transform:uppercase}
.trow .role-c .co{font-family:var(--mono);font-size:12px;color:var(--sub)}
.trow .desc{font-size:14px;color:var(--sub);line-height:1.5}
.trow .per{display:flex;align-items:center;justify-content:space-between;gap:8px;font-family:var(--mono);font-size:12px;color:var(--faint)}
.stkline{font-family:var(--mono);font-size:11px;margin-top:6px;display:flex;gap:10px;flex-wrap:wrap}
.stkline span{opacity:.9}
.tag-lang{color:var(--accent)} .tag-fe{color:var(--violet)} .tag-data{color:var(--green)} .tag-sci{color:var(--amber)}

/* ---------- featured build ---------- */
.feature{margin-top:18px;display:grid;grid-template-columns:1fr 390px;gap:0;border:1px solid var(--accent);border-radius:26px;overflow:hidden;position:relative;background:linear-gradient(135deg,rgba(20,23,59,.95),rgba(5,0,255,.2));box-shadow:0 24px 74px -48px var(--accent)}
.feature::before{content:"";position:absolute;inset:0;pointer-events:none;box-shadow:0 0 0 6px rgba(5,0,255,.08) inset}
.feature .fpad{padding:38px 40px}
.feature .fbadge{display:inline-flex;align-items:center;gap:8px;font-family:var(--display);font-size:13px;font-weight:900;color:var(--accent);letter-spacing:.6px;text-transform:uppercase;border:0;padding:0;margin-bottom:18px}
.feature .r{font-family:var(--display);font-size:30px;font-weight:900;letter-spacing:-.7px;text-transform:uppercase}
.feature .co{font-family:var(--mono);font-size:13px;color:var(--sub);margin-top:2px}
.feature .desc{font-size:15px;color:var(--sub);line-height:1.6;margin-top:14px;max-width:480px}
.feature .stkline{margin-top:16px;font-size:12px}
.feature .per{font-family:var(--mono);font-size:12px;color:var(--faint);margin-top:16px}
.feature .viz{--sub:#E9EAFF;--line:rgba(255,255,255,.2);position:relative;background:radial-gradient(circle at 50% 44%,rgba(5,0,255,.72),#111434 62%);display:flex;align-items:center;justify-content:center;min-height:270px}
.feature .viz img{width:100%;height:100%;object-fit:cover;opacity:.92}
.feature .viz .cap{position:absolute;bottom:15px;left:16px;right:16px;font-family:var(--mono);font-size:11px;color:var(--sub);background:rgba(9,11,36,.72);backdrop-filter:blur(8px);padding:8px 11px;border-radius:999px;border:1px solid var(--line)}
@media(max-width:980px){.feature{grid-template-columns:1fr}.feature .viz{min-height:220px}}

/* ---------- infographic & lightbox ---------- */
.infographic{margin-top:18px;padding:16px;overflow:hidden;position:relative;display:block;width:100%;font:inherit;color:inherit;text-align:left;cursor:zoom-in;-webkit-tap-highlight-color:transparent;transition:border-color .18s,box-shadow .18s}
/* Timeline infographic is detail-dense; only show it at iPad width and up */
@media(max-width:767px){.infographic{display:none}}
.infographic img{width:100%;height:auto;display:block;border-radius:16px;pointer-events:none}
.infographic:hover,.infographic:focus-visible{border-color:var(--accent);box-shadow:0 22px 60px -40px var(--accent)}
.infographic:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.zoom-hint{position:absolute;right:24px;bottom:24px;display:inline-flex;align-items:center;gap:7px;font-family:var(--mono);font-size:12px;font-weight:500;color:#fff;background:rgba(9,11,36,.72);backdrop-filter:blur(8px);padding:8px 13px;border-radius:999px;border:1px solid rgba(255,255,255,.18);box-shadow:0 8px 24px -10px rgba(0,0,0,.6);pointer-events:none}
.zoom-hint svg{flex:none}
@media(max-width:640px){.zoom-hint{right:20px;bottom:20px;font-size:11px;padding:7px 11px}}

.ig-modal{border:none;padding:0;background:transparent;max-width:100vw;max-height:100dvh;width:100%;height:100%;overflow:auto;overscroll-behavior:contain;color:#fff}
.ig-modal::backdrop{background:rgba(5,6,20,.92);backdrop-filter:blur(4px)}
.ig-modal[open]{display:flex;align-items:flex-start;justify-content:center}
.ig-modal img{display:block;width:auto;max-width:none;min-width:100%;height:auto;cursor:zoom-out}
@media(min-width:900px){.ig-modal img{min-width:0;max-width:96vw;margin:auto}}
.ig-close{position:fixed;top:14px;right:14px;z-index:2;width:44px;height:44px;border-radius:50%;border:1px solid rgba(255,255,255,.28);background:rgba(9,11,36,.8);color:#fff;font-size:18px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;backdrop-filter:blur(8px)}
.ig-close:hover{background:var(--accent);border-color:var(--accent)}

/* ---------- projects ---------- */
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:22px}
.pcard{padding:28px;display:flex;flex-direction:column;gap:14px;min-height:230px;transition:border-color .15s,transform .12s,box-shadow .15s}
.pcard:hover{border-color:var(--accent);transform:translateY(-4px);box-shadow:0 28px 80px -50px var(--accent)}
.pcard .ph{display:flex;align-items:center;justify-content:space-between}
.pcard .ix{font-family:var(--display);font-size:24px;font-weight:900;color:var(--accent)}
.pcard .pn{font-family:var(--display);font-size:25px;font-weight:900;letter-spacing:-.5px;text-transform:uppercase}
.pcard .pd{font-size:14px;color:var(--sub);line-height:1.55}
.pcard .pl{margin-top:auto;font-family:var(--display);font-size:13px;font-weight:900;color:var(--accent);text-transform:uppercase}
.pcard .arr{color:var(--faint);transition:transform .15s,color .15s}
.pcard:hover .arr{transform:translate(2px,-2px);color:var(--accent)}

/* ---------- github activity ---------- */
.gh-activity{display:block;margin-top:16px;padding:24px 28px;transition:border-color .15s,box-shadow .15s}
.gh-activity:hover{border-color:var(--accent);box-shadow:0 28px 80px -50px var(--accent)}
.gh-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.gh-title{font-family:var(--display);font-size:20px;font-weight:900;letter-spacing:-.4px;text-transform:uppercase}
.gh-sub{font-family:var(--mono);font-size:12px;color:var(--sub)}
.gh-chart{overflow-x:auto;overscroll-behavior-x:contain;-webkit-overflow-scrolling:touch;padding:14px;border-radius:14px;background:rgba(255,255,255,.04);border:1px solid var(--line-soft)}
.gh-chart img{display:block;width:100%;min-width:640px;height:auto}

/* ---------- contact ---------- */
.contact{padding:40px 0}
.contact .card{position:relative;overflow:hidden;padding:66px 48px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:24px;background:linear-gradient(135deg,rgba(20,23,59,.95),rgba(5,0,255,.24))}
.contact .card::before{content:"";position:absolute;right:-80px;top:-90px;width:270px;height:270px;border-radius:50%;background:radial-gradient(circle at 35% 35%,#fff,rgba(5,0,255,.74) 42%,transparent 70%);opacity:.42}
.contact h2{position:relative;font-family:var(--display);font-size:clamp(42px,6vw,74px);font-weight:900;line-height:.95;text-transform:uppercase;letter-spacing:-2.5px;max-width:820px}
.hl{position:relative;color:var(--accent2);white-space:nowrap}
.hl::before{content:"";position:absolute;inset:14% -.08em 12%;background:var(--accent);opacity:.18;border-radius:5px;z-index:-1}
.contact p{font-size:18px;color:var(--sub);line-height:1.55;max-width:560px}
.social{display:flex;gap:22px;font-family:var(--mono);font-size:13px;margin-top:4px;flex-wrap:wrap;justify-content:center}
.social a{color:var(--sub);transition:color .15s}
.social a:hover{color:var(--accent)}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--line);margin-top:8px}
.foot-in{display:flex;align-items:center;justify-content:space-between;height:80px;font-family:var(--mono);font-size:13px;color:var(--faint);gap:16px;flex-wrap:wrap}

/* ---------- reveal animation ---------- */
.rv{opacity:0;transform:translateY(24px);transition:opacity .7s ease var(--d,0s),transform .7s cubic-bezier(.16,1,.3,1) var(--d,0s)}
.rv.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media(max-width:920px){
  .nav-links{display:none}
}
@media(max-width:980px){
  .hero{grid-template-columns:1fr;min-height:auto;padding:44px 0 54px}
  .hero-art{min-height:460px;max-width:560px;margin:0 auto;width:100%}
  .funnel{right:0;width:min(420px,82vw);height:360px}
  .hero-art::before{right:92px}
  .bento{grid-template-columns:1fr}
  .skills{grid-template-columns:repeat(2,1fr)}
  .pgrid{grid-template-columns:1fr}
  .trow{grid-template-columns:40px 1fr;gap:6px 14px;padding:18px 16px}
  .trow.item>:nth-child(3){grid-column:2}
  .trow.head span:nth-child(3),.trow.head span:nth-child(4){display:none}
  .trow .per{grid-column:2;justify-content:flex-start}
}
@media(max-width:560px){
  .wrap{padding:0 18px}
  .nav-in{height:72px}
  .brand{font-size:18px}
  .brand .dot{width:26px;height:15px}
  .nav-cta{font-size:0}
  .nav-cta .dot{margin-left:0;width:42px;height:42px}
  .hero h1{font-size:clamp(54px,18vw,74px);letter-spacing:-3px}
  .hero .role{font-size:24px}
  .status{font-size:16px}
  .hero-art{min-height:390px}
  .funnel{top:86px;right:-12px;width:330px;height:320px}
  .orb.one{width:112px;height:112px;right:66px;top:222px}
  .orb.two{right:244px;top:178px}
  .hero-art::before{width:76px;height:76px;right:78px;top:28px}
  .hero-art::after{display:none}
  .hero-panel{width:92%;bottom:0}
  .hero-panel .hp-row{grid-template-columns:48px 1fr;padding:15px 16px}
  .hero-panel .hp-num{font-size:22px}
  .skills{grid-template-columns:1fr}
  .contact .card{padding:40px 24px}
  .pad{padding:22px}
  .stat{padding:18px 20px}
  .trow .role-c .r{font-size:16px}
  .feature .fpad{padding:24px 22px}
  .sec-title .rule{width:24px;margin-right:10px}
}