/* =========================================================
   Radu Voican — personal brand site
   Design: "E · Scale + Signal"
   Scale, white space, one idea per screen, dark tone, one accent.
   ========================================================= */

/* Self-hosted variable fonts (no requests to Google → GDPR-friendly) */
@font-face{font-family:"Inter";font-style:normal;font-weight:100 900;font-display:swap;
  src:url(../fonts/inter-var-latin.woff2) format("woff2");
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Inter";font-style:normal;font-weight:100 900;font-display:swap;
  src:url(../fonts/inter-var-latin-ext.woff2) format("woff2");
  unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"JetBrains Mono";font-style:normal;font-weight:100 800;font-display:swap;
  src:url(../fonts/jbmono-var-latin.woff2) format("woff2")}

:root{
  --bg:#0B0C0E;
  --panel:#16181B;
  --panel-2:#1C1F23;
  --line:#26292E;
  --ink:#F2F3F5;
  --mute:#8D939B;
  --acc:#C6FF3D;
  --acc-ink:#0B0C0E;
  --light:#F2F3F5;
  --light-mute:#5B6068;

  --font:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;

  --radius:28px;
  --wrap:1200px;
  --gutter:24px;
  --section:clamp(96px,12vw,160px);
}

*,*::before,*::after{box-sizing:border-box}
*{margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px;-webkit-text-size-adjust:100%}
body{
  background:var(--bg);color:var(--ink);font-family:var(--font);
  font-size:17px;line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
::selection{background:var(--acc);color:var(--acc-ink)}

:focus-visible{outline:2px solid var(--acc);outline-offset:3px;border-radius:6px}

.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip{position:absolute;left:16px;top:-60px;z-index:100;background:var(--acc);color:var(--acc-ink);padding:10px 16px;border-radius:999px;font-weight:600;text-decoration:none}
.skip:focus{top:12px}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter)}
.center{text-align:center}

.eyebrow{display:block;font-family:var(--mono);font-size:clamp(13px,1vw,15px);font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--acc)}

h1,h2,h3{font-weight:700;letter-spacing:-.035em;line-height:1.04;text-wrap:balance}
.h-display{font-size:clamp(52px,8.4vw,112px);line-height:1;letter-spacing:-.045em}
.h-section{font-size:clamp(40px,6vw,80px)}
.h-sub{font-size:clamp(28px,3.4vw,44px);letter-spacing:-.03em;line-height:1.08}
.acc{color:var(--acc)}
.lead{font-size:clamp(19px,2vw,24px);line-height:1.4;color:var(--mute);font-weight:500;letter-spacing:-.01em;text-wrap:pretty}
.muted{color:var(--mute)}

/* ---------- Buttons ---------- */
.actions{display:flex;justify-content:center;align-items:center;gap:28px;flex-wrap:wrap;margin-top:40px}
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--acc);color:var(--acc-ink);border-radius:999px;padding:14px 28px;font-size:17px;font-weight:600;text-decoration:none;transition:transform .2s ease,box-shadow .2s ease}
.btn:hover{transform:translateY(-1px);box-shadow:0 8px 30px rgba(198,255,61,.25)}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn.ghost:hover{border-color:var(--mute);box-shadow:none}
.link{font-size:17px;font-weight:500;text-decoration:none;color:var(--ink)}
.link::after{content:" →";content:" →" / "";color:var(--acc);transition:margin .2s ease}
.link:hover::after{margin-left:4px}

/* ---------- Nav ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(11,12,14,.92);backdrop-filter:saturate(1.4) blur(14px);-webkit-backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;justify-content:space-between;align-items:center;min-height:60px;flex-wrap:wrap;gap:8px 24px}
.logo{font-weight:600;font-size:16px;text-decoration:none;letter-spacing:-.01em}
.logo i{font-style:normal;color:var(--acc)}
.nav ul{display:flex;gap:32px;list-style:none;font-size:14px}
.nav ul a{text-decoration:none;color:var(--mute);transition:color .2s}
.nav ul a:hover{color:var(--ink)}
.nav .btn{padding:9px 18px;font-size:14px}

/* ---------- Hero ---------- */
.hero{padding:clamp(80px,11vw,136px) 0 clamp(56px,7vw,88px)}
.hero .eyebrow{font-size:clamp(15px,1.5vw,20px);letter-spacing:.12em}
.hero h1{margin:26px auto 0;max-width:12ch}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:clamp(48px,7vw,80px);align-items:center;text-align:center}
.hero .lead{max-width:32ch;margin:26px auto 0}

.portrait{width:100%;max-width:960px;margin:0 auto;border-radius:var(--radius);overflow:hidden;position:relative;border:1px solid var(--line);background:var(--panel)}
.portrait img{width:100%;aspect-ratio:16/10;object-fit:cover;object-position:center 28%}
.portrait .cap{position:absolute;left:20px;bottom:20px;right:20px;display:flex;gap:10px;flex-wrap:wrap}
.chip{display:inline-flex;align-items:center;gap:8px;background:rgba(11,12,14,.78);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.08);border-radius:999px;padding:8px 14px;font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink)}
.chip .dot{width:7px;height:7px;border-radius:50%;background:var(--acc);box-shadow:0 0 0 4px rgba(198,255,61,.18)}

/* ---------- Light band ---------- */
.band{background:var(--light);color:var(--bg);padding:var(--section) 0;margin-top:var(--section)}
.band .eyebrow{color:var(--light-mute)}
.band h2{margin:20px auto 0;max-width:17ch}
.band h2 span{color:var(--light-mute)}
.logos{list-style:none;display:flex;justify-content:center;flex-wrap:wrap;gap:12px 36px;margin-top:48px;font-weight:700;font-size:clamp(18px,2vw,22px);letter-spacing:-.02em;color:#2B2F35}

/* ---------- Section heads ---------- */
.section{padding:var(--section) 0 0}
.section-head{max-width:820px;margin:0 auto clamp(48px,6vw,72px)}
.section-head h2{margin-top:18px}
.section-head .lead{margin:22px auto 0;max-width:38ch}

/* ---------- Impact tiles ---------- */
.tiles{display:grid;grid-template-columns:repeat(6,1fr);gap:20px}
.tile{grid-column:span 3;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(32px,4vw,56px) clamp(28px,4vw,48px);min-height:300px;display:flex;flex-direction:column;justify-content:space-between;gap:28px}
.tile.third{grid-column:span 2;min-height:260px}
.tile b{display:block;font-size:clamp(56px,7vw,100px);font-weight:700;letter-spacing:-.05em;line-height:.95}
.tile.third b{font-size:clamp(48px,5vw,72px)}
.tile p{font-size:clamp(17px,1.6vw,21px);line-height:1.38;color:var(--mute);letter-spacing:-.01em;max-width:24ch}
.tile.hot{background:var(--acc);border-color:var(--acc);color:var(--acc-ink)}
.tile.hot .eyebrow{color:var(--acc-ink)}
.tile.hot p{color:#2B3016}

/* ---------- Use cases ---------- */
.case{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:20px}
.case-main{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(32px,4vw,56px);display:flex;flex-direction:column;justify-content:space-between;gap:40px}
.case-main h3{font-size:clamp(28px,3.2vw,42px);margin-top:16px;max-width:18ch}
.case-main .client{font-size:15px;color:var(--mute);margin-top:14px}
.case-result{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap}
.case-result b{font-size:clamp(56px,6.4vw,88px);font-weight:700;letter-spacing:-.05em;line-height:1;color:var(--acc)}
.case-result span{color:var(--mute);font-size:17px;max-width:20ch}
.case-detail{border:1px solid var(--line);border-radius:var(--radius);padding:clamp(32px,4vw,56px);display:grid;gap:28px;align-content:start}
.case-detail dl{display:grid;gap:28px}
.case-detail dt{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--mute)}
.case-detail dd{margin-top:8px;font-size:17px;line-height:1.55;color:var(--ink)}
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tags span{border:1px solid var(--line);border-radius:999px;padding:6px 12px;font-size:13px;color:var(--mute)}
.case:nth-of-type(even) .case-main{order:2}

/* ---------- Services ---------- */
.services{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.service{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(32px,4vw,48px);display:flex;flex-direction:column;gap:18px}
.service .num{font-family:var(--mono);font-size:13px;color:var(--acc)}
.service h3{font-size:clamp(26px,2.6vw,34px);letter-spacing:-.03em}
.service p{color:var(--mute);font-size:17px;line-height:1.55}
.service ul{list-style:none;display:grid;gap:8px;margin-top:4px}
.service li{font-size:15px;color:var(--ink);padding-left:20px;position:relative}
.service li::before{content:"";position:absolute;left:0;top:.62em;width:8px;height:2px;background:var(--acc)}

/* ---------- Principles (one idea per screen) ---------- */
.principle{min-height:70vh;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:72px 0;border-top:1px solid var(--line)}
.principle:first-child{border-top:0}
.principle h3{font-size:clamp(40px,6.4vw,88px);letter-spacing:-.045em;line-height:1.02;max-width:14ch;margin-top:20px}
.principle p{margin:26px auto 0;max-width:40ch}

/* ---------- Experience ---------- */
.about{display:grid;grid-template-columns:5fr 7fr;gap:clamp(32px,5vw,72px);align-items:start}
.about-photo{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);position:sticky;top:92px}
.about-photo img{width:100%;aspect-ratio:4/5;object-fit:cover;object-position:center 20%}
.about-text h2{margin-top:18px}
.about-text > p{margin-top:24px;font-size:19px;line-height:1.6;color:var(--mute);max-width:56ch}
.about-text > p strong{color:var(--ink);font-weight:600}
.timeline{list-style:none;margin-top:48px;border-top:1px solid var(--line)}
.timeline li{display:grid;grid-template-columns:140px 1fr;gap:20px;padding:20px 0;border-bottom:1px solid var(--line)}
.timeline .yr{font-family:var(--mono);font-size:13px;color:var(--mute);padding-top:3px}
.timeline .role{font-weight:600;font-size:17px}
.timeline .org{color:var(--mute);font-size:15px;margin-top:2px}
.creds{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:40px}
.cred{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:20px}
.cred .eyebrow{font-size:12px}
.cred p{margin-top:10px;font-size:15px;line-height:1.4}

/* ---------- Contact ---------- */
.contact{padding:var(--section) 0;text-align:center}
.contact h2{max-width:14ch;margin:20px auto 0}
.contact .lead{max-width:34ch;margin:24px auto 0}
.contact .email{display:inline-block;margin-top:28px;font-family:var(--mono);font-size:clamp(15px,1.8vw,18px);color:var(--mute);text-decoration:none;border-bottom:1px solid var(--line);padding-bottom:4px}
.contact .email:hover{color:var(--ink);border-color:var(--acc)}

/* ---------- Footer ---------- */
footer{border-top:1px solid var(--line);padding:32px 0 40px;font-size:13px;color:var(--mute)}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
footer nav{display:flex;gap:24px}
footer a{text-decoration:none}
footer a:hover{color:var(--ink)}

/* ---------- Reveal on scroll (only when JS is on) ---------- */
.js .reveal{opacity:0;transform:translateY(24px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
.js .reveal.in{opacity:1;transform:none}
@media print{.js .reveal{opacity:1!important;transform:none!important}}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .reveal{opacity:1;transform:none;transition:none}
  .btn,.link::after{transition:none}
}

/* ---------- Responsive ---------- */
/* Wide screens: text and portrait side by side */
@media (min-width:960px){
  .hero{padding:clamp(72px,8vw,120px) 0 clamp(40px,5vw,72px)}
  .hero-grid{grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:clamp(40px,5vw,96px);text-align:left}
  .hero h1,.hero .lead{margin-left:0;margin-right:0}
  .hero h1{font-size:clamp(64px,7.2vw,124px)}
  .hero .actions{justify-content:flex-start}
  .hero .portrait{max-width:none}
  .hero .portrait img{aspect-ratio:4/5;object-position:center 30%}
}
@media (min-width:960px) and (max-height:760px){
  .hero .portrait img{aspect-ratio:1/1}
}
@media (max-width:900px){
  .nav ul{display:none}
}
@media (max-width:960px){
  .about{grid-template-columns:1fr}
  .about-photo{position:static;max-width:420px}
  .tile.third{grid-column:span 3}
}
@media (max-width:760px){
  :root{--gutter:16px;--radius:22px}
  .nav ul{display:none}
  .tiles{grid-template-columns:1fr}
  .tile,.tile.third{grid-column:auto;min-height:0}
  .case{grid-template-columns:1fr}
  .case:nth-of-type(even) .case-main{order:0}
  .services{grid-template-columns:1fr}
  .principle{min-height:0;padding:88px 0}
  .timeline li{grid-template-columns:1fr;gap:4px}
  .creds{grid-template-columns:1fr}
  .portrait img{aspect-ratio:4/5}
  .portrait .cap{left:14px;bottom:14px}
}

/* ---------- 404 ---------- */
.page-404{min-height:100vh;display:flex;align-items:center}

/* =========================================================
   Sub-pages (Book a call, Projects)
   ========================================================= */
.nav ul a[aria-current="page"]{color:var(--ink)}
.page-hero{padding:clamp(72px,9vw,128px) 0 clamp(40px,5vw,64px)}
.page-hero h1{font-size:clamp(44px,6.4vw,96px);letter-spacing:-.045em;line-height:1.02;margin-top:22px;max-width:14ch}
.page-hero .lead{margin-top:24px;max-width:40ch}
.page-hero .eyebrow{font-size:clamp(15px,1.5vw,20px);letter-spacing:.12em}

/* ---------- Book a call ---------- */
.book{display:grid;grid-template-columns:minmax(0,1fr);gap:20px;padding-bottom:var(--section)}
@media (min-width:960px){.book{grid-template-columns:minmax(0,5fr) minmax(0,7fr);align-items:start}}
.book-info{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(28px,4vw,48px);display:grid;gap:32px}
.facts{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.facts dt{font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--mute)}
.facts dd{margin-top:6px;font-size:19px;font-weight:600;letter-spacing:-.01em}
.agenda{list-style:none;counter-reset:a;display:grid;gap:16px}
.agenda li{counter-increment:a;display:grid;grid-template-columns:36px 1fr;gap:12px;font-size:17px;line-height:1.5;color:var(--mute)}
.agenda li::before{content:"0" counter(a);font-family:var(--mono);font-size:13px;color:var(--acc);padding-top:3px}
.agenda strong{color:var(--ink);font-weight:600}
.book-cal{border:1px solid var(--line);border-radius:var(--radius);min-height:560px;display:flex;flex-direction:column;overflow:hidden;background:var(--panel-2)}
.book-cal .cal-start{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:18px;padding:48px 28px}
.book-cal .cal-start h2{font-size:clamp(28px,3vw,40px);letter-spacing:-.03em;max-width:16ch}
.book-cal .note{font-size:14px;color:var(--mute);max-width:44ch;line-height:1.5}
.book-cal .note a{color:var(--ink)}
.book-cal iframe{width:100%;flex:1;min-height:640px;border:0;background:#fff}
.book-cal[data-state="loaded"] .cal-start{display:none}
.cal-big{font-size:clamp(56px,7vw,88px);line-height:1}

/* ---------- Projects ---------- */
.projects{display:grid;grid-template-columns:minmax(0,1fr);gap:20px}
@media (min-width:860px){.projects{grid-template-columns:repeat(2,minmax(0,1fr))}.project.featured{grid-column:1/-1;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);display:grid;align-items:center}}
.project{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column}
.project-body{padding:clamp(28px,3.4vw,44px);display:flex;flex-direction:column;gap:16px;flex:1}
.project h2{font-size:clamp(26px,2.8vw,38px);letter-spacing:-.03em;line-height:1.08}
.project p{color:var(--mute);font-size:17px;line-height:1.55}
.project .links{display:flex;gap:24px;flex-wrap:wrap;margin-top:auto;padding-top:8px}
.project.draft{border-style:dashed}
.project.draft h2,.project.draft p{opacity:.7}

/* Browser-frame visual used instead of screenshots */
.frame{margin:20px 20px 0;border:1px solid var(--line);border-bottom:0;border-radius:16px 16px 0 0;background:var(--bg);aspect-ratio:16/10;display:flex;flex-direction:column;overflow:hidden}
.project.featured .frame{margin:28px;border-bottom:1px solid var(--line);border-radius:16px}
.frame-bar{display:flex;align-items:center;gap:6px;padding:10px 14px;border-bottom:1px solid var(--line)}
.frame-bar i{width:9px;height:9px;border-radius:50%;background:var(--line)}
.frame-bar span{margin-left:10px;font-family:var(--mono);font-size:11px;color:var(--mute)}
.frame-body{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:20px;text-align:center}
.frame-body b{font-size:clamp(28px,4vw,52px);letter-spacing:-.045em;line-height:1}
.frame-body small{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--mute)}
.frame img{width:100%;height:100%;object-fit:cover}
.frame.empty .frame-body{background:repeating-linear-gradient(135deg,transparent 0 14px,rgba(255,255,255,.025) 14px 28px)}

.how{display:grid;grid-template-columns:minmax(0,1fr);gap:20px}
@media (min-width:860px){.how{grid-template-columns:repeat(3,minmax(0,1fr))}}
.how div{border-top:2px solid var(--acc);padding-top:20px}
.how h3{font-size:24px;letter-spacing:-.02em;margin-top:12px}
.how p{color:var(--mute);margin-top:10px;line-height:1.55}

/* Project screenshots + flipped featured card */
.frame img{flex:1;min-height:0;width:100%;height:auto;object-fit:cover;object-position:top}
@media (min-width:860px){.project.featured.flip .frame{order:2}}
.demo-hint{font-size:14px!important;color:var(--mute)}