/* Zulia Shavaeva: navy and cyan, shared personal-site styles. */
:root{
  --paper:oklch(97% 0.008 240);--paper-2:oklch(94% 0.012 240);--ink:oklch(18% 0.03 260);--ink-2:oklch(36% 0.03 255);--mute:oklch(50% 0.025 250);
  --line:oklch(88% 0.015 240);--petrol:oklch(46% 0.11 210);--petrol-deep:oklch(36% 0.1 215);--petrol-soft:oklch(92% 0.04 205);
  --amber:oklch(58% 0.12 205);--amber-deep:oklch(46% 0.11 210);--amber-soft:oklch(92% 0.04 205);
  --fx-node:oklch(40% 0.06 240/.45);--fx-edge:oklch(45% 0.06 235/.18);--fx-hot:oklch(50% 0.12 205);--fx-grid:oklch(40% 0.04 240/.06);
  --serif:"Space Grotesk","Helvetica Neue",Arial,sans-serif;--mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;--sans:"Figtree",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --w:1120px;--r:18px;--ease:cubic-bezier(.22,1,.36,1)}
*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font:17px/1.6 var(--sans);color:var(--ink);background:var(--paper);font-feature-settings:"ss01"}
img{max-width:100%;height:auto;display:block}a{color:var(--petrol);text-decoration-thickness:1px;text-underline-offset:3px}a:hover{color:var(--petrol-deep);text-decoration-thickness:2px}
h1,h2,h3{font-family:var(--serif);font-weight:600;letter-spacing:-.035em;line-height:1.02;margin:0;color:var(--ink)}
h1{font-size:clamp(38px,6vw,68px)}h2{font-size:clamp(30px,4vw,44px)}h3{font-size:clamp(21px,2.2vw,25px);line-height:1.25}
p{margin:0 0 1em}.eyebrow{font:500 12.5px/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--amber-deep);margin:0 0 18px}.eyebrow::before{content:"// ";opacity:.6}
.wrap{max-width:var(--w);margin:0 auto;padding:0 clamp(18px,4vw,40px)}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:8px 12px;border-radius:8px;z-index:20}.skip:focus{left:8px}
/* nav */
.top{position:sticky;top:0;z-index:10;background:color-mix(in oklch,var(--paper) 88%,transparent);backdrop-filter:saturate(1.2) blur(10px);border-bottom:1px solid transparent;transition:border-color .3s}
.top.scrolled{border-color:var(--line)}
.top .in{max-width:var(--w);margin:0 auto;padding:16px clamp(18px,4vw,40px);display:flex;align-items:center;gap:28px}
.brand{font-family:var(--serif);font-size:19px;font-weight:600;text-decoration:none;color:var(--ink);letter-spacing:-.02em}.brand::after{content:"_";color:var(--petrol);animation:blink 1.1s steps(1) infinite}@keyframes blink{50%{opacity:0}}.brand:hover{color:var(--ink)}
.top nav{margin-left:auto;display:flex;gap:26px;align-items:center}.top nav a{text-decoration:none;color:var(--ink-2);font-size:15.5px;font-weight:500}.top nav a:hover,.top nav a.on{color:var(--petrol-deep)}
.top nav a.btn{padding:10px 16px;font-size:15px;color:var(--paper)}.top nav a.btn:hover{color:var(--paper)}
.menu-btn{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:10px;padding:8px 12px;font:inherit;color:var(--ink);cursor:pointer}
/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--petrol);color:var(--paper);text-decoration:none;padding:14px 22px;border-radius:999px;font-weight:600;font-size:16px;border:1px solid var(--petrol);cursor:pointer;transition:transform .25s var(--ease),background .25s}
.btn:hover{background:var(--petrol-deep);color:var(--paper);transform:translateY(-1px)}.btn.ghost{background:transparent;color:var(--petrol-deep);border-color:oklch(75% 0.04 215)}.btn.ghost:hover{background:var(--petrol-soft)}
.btn.amber{background:var(--amber-deep);border-color:var(--amber-deep)}.btn.amber:hover{background:var(--petrol-deep)}
.btn svg{width:18px;height:18px}
/* hero */
.hero{padding:clamp(28px,5vw,64px) 0 clamp(36px,5vw,64px);display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(28px,5vw,72px);align-items:center}
.hero h1{max-width:16ch;text-wrap:balance}.hero .sub{font-size:clamp(18px,1.6vw,21px);color:var(--ink-2);max-width:52ch;margin:22px 0 30px}
.hero .ctas{display:flex;gap:12px;flex-wrap:wrap}
.hero .pic{position:relative;justify-self:end;width:min(100%,400px)}
.hero .pic img{aspect-ratio:4/5;object-fit:cover;object-position:50% 20%;border-radius:var(--r);outline:1px solid var(--line);outline-offset:-1px;box-shadow:0 30px 60px -30px oklch(30% 0.05 220/.45)}
.hero .pic::before{content:"";position:absolute;inset:-14px auto auto -14px;width:46%;height:38%;border:1px solid var(--petrol);border-right:0;border-bottom:0;border-radius:var(--r) 0 0 0;opacity:.7}.hero .pic::after{content:"";position:absolute;inset:auto -14px -14px auto;width:46%;height:38%;border:1px solid var(--petrol);border-left:0;border-top:0;border-radius:0 0 var(--r) 0;opacity:.7}
/* proof strip */
.facts{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:8px 0 0}
.facts div{padding:22px 22px 22px 0;border-left:1px solid var(--line);padding-left:22px}.facts div:first-child{border-left:0;padding-left:0}
.facts b{display:block;font-family:var(--mono);font-size:clamp(26px,2.8vw,36px);font-weight:500;color:var(--petrol);line-height:1;letter-spacing:-.02em}.facts span{display:block;font-size:14.5px;color:var(--mute);margin-top:6px}
/* sections */
section{padding:clamp(56px,8vw,112px) 0;scroll-margin-top:72px}section+section{padding-top:0}
.sec-head{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(20px,4vw,60px);align-items:end;margin-bottom:clamp(30px,4vw,52px)}
.sec-head p{font-size:18px;color:var(--ink-2);margin:0;max-width:56ch}.sec-head p.eyebrow{font-size:12.5px;color:var(--amber-deep);margin:0 0 18px}
/* help list */
.help{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.help a{display:grid;grid-template-columns:auto 1fr;gap:18px;padding:30px 30px 32px;background:var(--paper);text-decoration:none;color:inherit;transition:background .3s}
.help a:hover{background:var(--paper-2)}.help a:hover h3{color:var(--petrol-deep)}
.help .n{font-family:var(--mono);font-size:15px;line-height:1;color:var(--amber);font-weight:500;min-width:44px;padding-top:12px;letter-spacing:.08em}
.help h3{margin:6px 0 10px;transition:color .3s}.help p{color:var(--ink-2);font-size:16px;margin:0 0 14px}.help .go{color:var(--petrol);font-weight:600;font-size:15px}
.help a:first-child{grid-column:1/-1;grid-template-columns:auto 1fr auto;align-items:center;background:var(--petrol-deep);color:#fff}
.help a:first-child h3,.help a:first-child p{color:#fff}.help a:first-child .n{color:var(--amber)}.help a:first-child .go{color:var(--amber-soft)}.help a:first-child:hover{background:var(--petrol)}.help a:first-child:hover h3{color:#fff}
.help a:first-child p{color:oklch(88% 0.02 215);margin:0}.help a:first-child .go{display:none}
/* about */
.about{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(28px,5vw,80px);align-items:start}
.about .pic img{aspect-ratio:3/4;object-fit:cover;border-radius:var(--r)}.about .pic{position:sticky;top:96px}
.about .text p{font-size:clamp(17px,1.35vw,19.5px);color:var(--ink-2)}.about .text p:first-of-type{font-size:clamp(20px,1.7vw,24px);color:var(--ink);font-family:var(--serif);line-height:1.35}
.about .links{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
/* talks */
.talks{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(28px,5vw,72px);align-items:center}
.talks .pic img{aspect-ratio:4/3;object-fit:cover;object-position:60% 50%;border-radius:var(--r)}
.talks figcaption{font-size:14px;color:var(--mute);margin-top:10px}
.talk-list{list-style:none;padding:0;margin:26px 0 0;border-top:1px solid var(--line)}
.talk-list li{padding:18px 0;border-bottom:1px solid var(--line);display:grid;gap:4px}.talk-list b{font-weight:600}.talk-list span{color:var(--mute);font-size:15px}.talk-list li>span:first-of-type{font-family:var(--mono);font-size:12.5px;letter-spacing:.04em}
/* pages list */
.pages{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.pages a{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr) auto;gap:20px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line);text-decoration:none;color:inherit}
.pages a:hover b{color:var(--petrol-deep)}.pages b{font-family:var(--serif);font-size:21px;font-weight:600;letter-spacing:-.02em;transition:color .3s}.pages .d{color:var(--ink-2);font-size:16px}
.pages .arr{width:38px;height:38px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;color:var(--petrol);transition:all .3s var(--ease)}.pages a:hover .arr{background:var(--petrol);color:#fff;transform:translateX(4px)}
/* cv band */
.band{background:var(--petrol-deep);color:#fff;border-radius:var(--r);padding:clamp(32px,4vw,56px);display:grid;grid-template-columns:minmax(0,7fr) auto;gap:32px;align-items:center}
.band h2{color:#fff}.band p{color:oklch(88% 0.02 215);margin:12px 0 0;font-size:17px;max-width:56ch}.band .btns{display:flex;gap:12px;flex-wrap:wrap}
.band .btn{background:var(--amber-deep);border-color:var(--amber-deep)}.band .btn.ghost{background:transparent;color:#fff;border-color:oklch(60% 0.04 215)}.band .btn.ghost:hover{background:oklch(40% 0.06 215)}
/* footer */
footer{border-top:1px solid var(--line);padding:34px 0 48px;color:var(--mute);font-size:14.5px}
footer .in{display:flex;gap:18px 32px;flex-wrap:wrap;justify-content:space-between;align-items:center}footer a{color:var(--ink-2)}
/* reveal */
.rv,.rv.in{opacity:1;transform:none} /* Content is readable immediately, including without JavaScript. */
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}.btn{transition:none}}
/* responsive */
@media (max-width:900px){
  .hero{grid-template-columns:1fr;gap:34px}.hero .pic{justify-self:start;width:min(100%,360px)}.hero .pic img{aspect-ratio:1;border-radius:50% 50% var(--r) var(--r)}
  .facts{grid-template-columns:1fr 1fr}.facts div{padding:18px 16px;border-left:0}.facts div:nth-child(even){border-left:1px solid var(--line)}.facts div:nth-child(n+3){border-top:1px solid var(--line)}
  .sec-head,.about,.talks,.band{grid-template-columns:1fr}.about .pic{position:static;max-width:420px}
  .help{grid-template-columns:1fr}.help a:first-child{grid-template-columns:auto 1fr}.help a:first-child .btn{grid-column:2}
  .pages a{grid-template-columns:1fr auto;gap:6px 16px}.pages .d{grid-column:1}.pages .arr{grid-column:2;grid-row:1/3}
  .top nav{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;gap:0;background:var(--paper);border-bottom:1px solid var(--line);padding:8px 0 14px}
  .top nav a{padding:12px clamp(18px,4vw,40px)}.top nav a.btn{margin:10px clamp(18px,4vw,40px) 0;justify-content:center;border-radius:12px}
  .top.open nav{display:flex}.menu-btn{display:inline-block}
}
@media (max-width:520px){.help a{padding:24px 20px 26px;gap:14px}.help .n{font-size:34px;min-width:34px}body{font-size:16px}.hero .ctas .btn{width:100%;justify-content:center}}
/* positions */
.beliefs{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:0 clamp(28px,4vw,64px)}
.beliefs li{display:grid;grid-template-columns:auto 1fr;gap:18px;padding:26px 0;border-top:1px solid var(--line)}
.beliefs li:nth-child(1){grid-column:1/-1;grid-template-columns:auto 1fr}.beliefs li:nth-child(1) h3{font-size:clamp(24px,2.6vw,32px)}.beliefs li:nth-child(1) p{font-size:18px;max-width:64ch}
.beliefs .k{font-family:var(--mono);font-size:13px;color:var(--amber-deep);letter-spacing:.08em;padding-top:8px}.beliefs h3{margin:0 0 8px}.beliefs p{color:var(--ink-2);margin:0;font-size:16.5px}
.pull{margin:clamp(36px,5vw,64px) 0;padding:0 0 0 clamp(20px,3vw,40px);border-left:3px solid var(--amber)}
.pull p{font-family:var(--serif);font-size:clamp(24px,3vw,38px);line-height:1.15;margin:0 0 12px;max-width:26ch;letter-spacing:-.03em;font-weight:500}.pull footer{border:0;padding:0;font-size:14.5px;color:var(--mute)}
.topics ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.topics li{padding:16px 18px;border:1px solid var(--line);border-radius:14px;background:var(--paper-2);transition:transform .3s var(--ease),border-color .3s}.topics li:hover{transform:translateY(-2px);border-color:var(--petrol)}
.topics b{display:block;font-weight:600;margin-bottom:4px}.topics span{font-size:14.5px;color:var(--mute);line-height:1.45;display:block}
@media (max-width:900px){.beliefs{grid-template-columns:1fr}.topics ul{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.topics ul{grid-template-columns:1fr}}

/* cyber layer */
#fx{position:fixed;inset:0;width:100%;height:100%;z-index:-1;pointer-events:none}
body{position:relative;isolation:auto}
.typed{display:block;font-family:var(--mono);font-size:clamp(14px,1.2vw,16px);color:var(--petrol);margin:14px 0 0;letter-spacing:.02em;min-height:1.6em}.typed .cur{display:inline-block;width:.6ch;border-bottom:2px solid var(--petrol);margin-left:2px;animation:blink 1s steps(1) infinite}
.top .in{padding-top:14px;padding-bottom:14px}
.help{background:var(--line)}.help a{background:color-mix(in oklch,var(--paper) 86%,transparent)}
.topics li,.talk-list,.pages,.beliefs li,.facts{backdrop-filter:blur(2px)}
.band{background:var(--surface-invert,var(--petrol-deep));border:1px solid var(--line)}

.hero .sub p{margin:0 0 .75em}.hero .sub p:last-child{margin-bottom:0}
.about .text p.eyebrow{font:500 12.5px/1.5 var(--mono);letter-spacing:.12em;color:var(--petrol)}
.eyebrow{line-height:1.5}

.hero .pic{margin-inline:0}
@media(max-width:900px){.hero .pic{width:min(calc(100% - 14px),360px)}}

.about .text h2{margin-bottom:24px}

/* Learning and speaking are readable lists, without an empty quiz gate. */
.route-saved{padding:26px 0;border-block:1px solid var(--line);margin:24px 0}
.route-saved[hidden]{display:none}.route-saved h2{font-size:26px;margin-bottom:16px}
.route-saved ul{list-style:none;padding:0}.route-saved li{margin:10px 0}
.route-saved span,.route-saved>p{font-size:14px;color:var(--mute)}
.speaking-topics{margin-top:40px}.speaking-topics h3{margin-bottom:20px}
.speaking-topics ul{list-style:none;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:16px 36px}
.speaking-topics li{border-top:1px solid var(--line);padding-top:16px}.speaking-topics p{font-size:16px;color:var(--ink-2);margin:8px 0}
.quiz-alternative{margin:0 0 24px;color:var(--mute);font-size:16px;max-width:65ch}
@media(max-width:700px){.speaking-topics ul{grid-template-columns:1fr}}

/* Quiz and contact are peers; beginners have a quieter route underneath. */
.hero-actions{border-top:1px solid var(--line);padding-top:22px}
.hero-actions h2{font-size:clamp(20px,2vw,24px);line-height:1.25;letter-spacing:-.025em;margin:0 0 10px}
.hero-actions .quiz-explanation{font-size:16px;line-height:1.55;color:var(--ink-2);margin:0 0 18px;max-width:52ch}
.hero-actions .ctas{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.hero-actions .ctas .btn{width:100%;justify-content:center;text-align:center;min-height:52px;padding:12px 14px;font-size:15px;line-height:1.35}
.hero-actions .ctas svg{flex-shrink:0}
.hero-beginner{font-size:15px;line-height:1.5;margin:16px 0 14px}
.hero-free{font-size:14px;color:var(--ink-2);line-height:1.6;margin:0 0 8px}
.hero-privacy{font-size:13px;color:var(--mute);line-height:1.65}
.hero-privacy summary{cursor:pointer;width:fit-content;padding:5px 0}
.hero-privacy p{margin:8px 0 0;max-width:65ch}
.hero-actions a:focus-visible,.hero-privacy summary:focus-visible{outline:2px solid var(--petrol);outline-offset:4px}
@media(max-width:359px){.hero-actions .ctas{grid-template-columns:1fr}}