/* de.imadportfolio.dev, German market portfolio */
:root{
  --bg:#0d1116; --bg-2:#121820; --surface:#18202a; --surface-2:#1e2833;
  --ink:#e8ecef; --muted:#8d98a3; --line:rgba(232,236,239,.10);
  --brand:#3d7068; --accent:#8fc2b8; --accent-2:#c9e4de; --warn:#ef6b5a; --gold:#e9c46a;
  --display:"Unbounded",system-ui,sans-serif; --serif:"DM Serif Display",Georgia,serif;
  --sans:"DM Sans",system-ui,sans-serif; --mono:"IBM Plex Mono",ui-monospace,monospace;
  --gut:clamp(16px,4vw,56px); --ease:cubic-bezier(.16,1,.3,1); --r:22px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:400 17px/1.65 var(--sans);overflow-x:hidden}
a{color:inherit}
img,svg{display:block;max-width:100%}
h1,h2,h3{margin:0;font-weight:600;line-height:1.02;letter-spacing:-.02em}
h2 em,h1 em{font-family:var(--serif);font-style:italic;font-weight:400;color:var(--accent);letter-spacing:0}
.wrap{max-width:1240px;margin:0 auto;padding:0 var(--gut)}
.skip{position:absolute;left:-999px;top:8px;background:var(--accent);color:#0d1116;padding:8px 12px;border-radius:8px;z-index:100}
.skip:focus{left:8px}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}

/* buttons */
.btn{--mx:0px;--my:0px;display:inline-flex;align-items:center;gap:10px;padding:15px 24px;border-radius:999px;background:var(--accent);color:#0d1116;font:600 15px var(--sans);text-decoration:none;border:1px solid transparent;transform:translate(var(--mx),var(--my));transition:transform .35s var(--ease),background .3s,color .3s,border-color .3s}
.btn:hover{background:var(--accent-2)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{background:var(--surface);border-color:rgba(232,236,239,.25)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-xl{padding:20px 30px;font-size:clamp(15px,1.6vw,19px)}

/* header */
.hdr{position:fixed;inset:0 0 auto;z-index:50;transition:background .4s,box-shadow .4s,transform .45s var(--ease)}
.hdr.scrolled{background:rgba(13,17,22,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 1px 0 var(--line)}
.hdr.hide{transform:translateY(-100%)}
.hdr-in{display:flex;align-items:center;justify-content:space-between;gap:20px;height:76px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand svg{width:30px;height:32px}
.brand span{font:600 15px/1.15 var(--sans)}
.brand small{display:block;font:400 11px var(--mono);color:var(--muted);letter-spacing:.06em;text-transform:uppercase}
.nav{display:flex;gap:30px;font-size:15px}
.nav a{text-decoration:none;color:var(--muted);position:relative;transition:color .25s}
.nav a::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:1px;background:var(--accent);transform:scaleX(0);transform-origin:right;transition:transform .4s var(--ease)}
.nav a:hover{color:var(--ink)}.nav a:hover::after{transform:scaleX(1);transform-origin:left}
.hdr-right{display:flex;align-items:center;gap:12px}
.lang{font:500 12px var(--mono);text-decoration:none;color:var(--muted);border:1px solid var(--line);border-radius:8px;padding:6px 9px}
.lang:hover{color:var(--ink)}
@media(max-width:900px){.nav{display:none}}
@media(max-width:480px){.brand small{display:none}.hdr .btn-sm{padding:9px 14px;font-size:13px}}

/* hero */
.hero{position:relative;min-height:100vh;min-height:100svh;display:flex;align-items:center;padding:120px 0 90px;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:radial-gradient(ellipse at 60% 40%,#000 10%,transparent 70%);-webkit-mask:radial-gradient(ellipse at 60% 40%,#000 10%,transparent 70%);animation:gridmove 22s linear infinite;opacity:.6}
@keyframes gridmove{to{background-position:64px 64px}}
.hero-glow{position:absolute;width:60vw;height:60vw;max-width:820px;max-height:820px;right:-10vw;top:-12vw;border-radius:50%;background:radial-gradient(circle,rgba(61,112,104,.45),transparent 65%);filter:blur(20px);animation:breathe 9s ease-in-out infinite}
@keyframes breathe{50%{transform:scale(1.08) translate(-2%,3%)}}
.hero-in{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(24px,4vw,56px);align-items:center;width:100%}
.chip{display:inline-flex;align-items:center;gap:10px;font:500 12px var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:8px 14px;background:rgba(24,32,42,.6)}
.chip i{width:8px;height:8px;border-radius:50%;background:#4ade80;box-shadow:0 0 0 0 rgba(74,222,128,.6);animation:ping 2s infinite}
@keyframes ping{70%{box-shadow:0 0 0 10px rgba(74,222,128,0)}100%{box-shadow:0 0 0 0 rgba(74,222,128,0)}}
.hero h1{font-family:var(--display);font-size:clamp(40px,6.4vw,92px);margin:26px 0 22px;font-weight:600}
.hero h1 em{font-size:1.1em}
.split .w{display:inline-block;overflow:hidden;vertical-align:top;padding-bottom:.08em;margin-bottom:-.08em}
.split .w > span{display:inline-block;transform:translateY(110%);transition:transform 1.1s var(--ease)}
.split.go .w > span{transform:none}
.rotator{font:500 clamp(17px,1.8vw,21px)/1.4 var(--sans);color:var(--ink);margin:0 0 14px}
.rot{display:inline-block;height:1.4em;overflow:hidden;vertical-align:bottom;color:var(--accent);transition:width .8s var(--ease);white-space:nowrap}
.rot b{display:block;width:max-content;font-weight:600;line-height:1.4;transition:transform .8s var(--ease)}
.rot.snap,.rot.snap b{transition:none}
.lead{color:var(--muted);max-width:34em;margin:0 0 32px;font-size:clamp(16px,1.4vw,18px)}
.ctas{display:flex;gap:12px;flex-wrap:wrap}
.in-load{opacity:0;transform:translateY(18px);transition:opacity 1s var(--ease),transform 1s var(--ease)}
.loaded .in-load{opacity:1;transform:none}
.loaded .in-load:nth-of-type(2){transition-delay:.15s}

/* floating windows */
.stack{position:relative;aspect-ratio:1/1;max-width:600px;width:100%;justify-self:end}
.win{--tx:0px;--ty:0px;position:absolute;margin:0;width:68%;border-radius:12px;overflow:hidden;background:var(--surface);border:1px solid var(--line);box-shadow:0 40px 80px -30px rgba(0,0,0,.7);transform:translate(var(--tx),var(--ty)) rotate(var(--rot,0deg));transition:transform .9s var(--ease),opacity 1.2s var(--ease);opacity:0}
.loaded .win{opacity:1}
.win img{width:100%;height:auto}
.win-bar{display:flex;align-items:center;gap:6px;height:28px;padding:0 12px;background:var(--surface-2);border-bottom:1px solid var(--line)}
.win-bar i{width:9px;height:9px;border-radius:50%;background:#3a4552}
.win-bar i:nth-child(1){background:#ef6b5a}.win-bar i:nth-child(2){background:#e9c46a}.win-bar i:nth-child(3){background:#5fbf7f}
.win-bar span{margin-left:10px;font:400 11px var(--mono);color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.w1{left:0;top:4%;--rot:-4deg;z-index:1;animation:float 9s ease-in-out infinite}
.w2{right:0;top:0;--rot:3deg;z-index:2;animation:float 11s ease-in-out -3s infinite}
.w3{left:6%;bottom:6%;--rot:2deg;z-index:3;animation:float 10s ease-in-out -6s infinite}
.w4{right:2%;bottom:0;--rot:-3deg;z-index:4;animation:float 12s ease-in-out -2s infinite}
@keyframes float{50%{translate:0 -12px}}
.win:hover{z-index:9}
@media(max-width:900px){.hero-in{grid-template-columns:1fr}.stack{justify-self:center;max-width:480px;margin-top:20px}}
.scroll-cue{position:absolute;left:50%;bottom:26px;width:26px;height:42px;border:1.5px solid var(--line);border-radius:14px;transform:translateX(-50%)}
.scroll-cue span{position:absolute;left:50%;top:8px;width:3px;height:8px;border-radius:2px;background:var(--accent);transform:translateX(-50%);animation:cue 1.8s ease-in-out infinite}
@keyframes cue{60%{transform:translate(-50%,12px);opacity:0}100%{opacity:0}}
@media(max-height:700px){.scroll-cue{display:none}}

/* marquee */
.marquee{border-block:1px solid var(--line);overflow:hidden;background:var(--bg-2)}
.marquee-track{display:flex;width:max-content;animation:marq 38s linear infinite}
.marquee span{font:500 clamp(20px,2.6vw,34px) var(--display);padding:22px 0;white-space:nowrap;color:rgba(232,236,239,.85)}
.marquee span::after{content:"✦";color:var(--brand);margin:0 clamp(18px,2.5vw,34px);font-size:.6em;vertical-align:middle}
.marquee span:nth-child(even){font-family:var(--serif);font-style:italic;font-weight:400;color:var(--accent)}
@keyframes marq{to{transform:translateX(-50%)}}

/* sections */
.sec{padding:clamp(80px,11vw,150px) 0}
.sec-alt{background:var(--bg-2);border-block:1px solid var(--line)}
.sec-head{max-width:820px;margin-bottom:clamp(44px,6vw,80px)}
.kicker{display:inline-block;font:500 12px var(--mono);color:var(--accent);letter-spacing:.12em;text-transform:uppercase;margin-bottom:18px}
.sec-head h2,.about h2{font-family:var(--display);font-size:clamp(32px,4.6vw,62px);font-weight:600}
.sec-head p{color:var(--muted);margin:22px 0 0;max-width:40em}

/* reveal */
.rv{opacity:0;transform:translateY(34px);transition:opacity 1s var(--ease),transform 1s var(--ease)}
.rv.in{opacity:1;transform:none}

/* projects */
.proj{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(28px,5vw,72px);align-items:center;padding:clamp(36px,5vw,64px) 0;border-top:1px solid var(--line)}
.proj:nth-of-type(even){grid-template-columns:1.15fr .85fr}
.proj:nth-of-type(even) .proj-info{order:2}
.proj-num{font:500 13px var(--mono);color:var(--muted)}
.proj h3{font-family:var(--display);font-size:clamp(28px,3.4vw,44px);margin:10px 0 8px}
.proj-meta{font:500 13px var(--mono);color:var(--accent);margin:0 0 22px;letter-spacing:.02em}
.proj-info > p{color:var(--muted);margin:0 0 18px}
.proj-issue{border-left:2px solid var(--warn);padding:2px 0 2px 14px;color:var(--ink)!important}
.proj-issue b{display:block;font:500 11px var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--warn);margin-bottom:4px}
.tags{list-style:none;display:flex;flex-wrap:wrap;gap:8px;padding:0;margin:0 0 26px}
.tags li{font:400 12px var(--mono);border:1px solid var(--line);border-radius:999px;padding:6px 11px;color:var(--muted)}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-weight:600;text-decoration:none;color:var(--accent);border-bottom:1px solid currentColor;padding-bottom:3px}
.link-arrow span{transition:transform .35s var(--ease)}
.link-arrow:hover span{transform:translate(3px,-3px)}

.proj-view{position:relative}
.toggle{position:relative;display:inline-grid;grid-template-columns:1fr 1fr;background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:4px;margin-bottom:16px}
.toggle button{position:relative;z-index:1;font:600 13px var(--sans);color:var(--muted);background:none;border:0;padding:8px 18px;border-radius:999px;cursor:pointer;transition:color .3s}
.toggle button[aria-pressed=true]{color:#0d1116}
.toggle-pill{position:absolute;top:4px;bottom:4px;left:4px;width:calc(50% - 4px);border-radius:999px;background:var(--accent);transition:transform .5s var(--ease),background .4s}
.toggle[data-state=before] .toggle-pill{background:var(--warn)}
.toggle[data-state=after] .toggle-pill{transform:translateX(100%)}

.frame{border-radius:14px;overflow:hidden;border:1px solid var(--line);background:var(--surface);box-shadow:0 50px 100px -50px rgba(0,0,0,.85);transform:perspective(1400px) rotateY(var(--ry,0deg)) rotateX(var(--rx,0deg));transition:transform .6s var(--ease)}
.screen{position:relative;aspect-ratio:16/10;overflow:hidden;background:#fff}
.after{position:absolute;inset:0}
.after img{width:100%;height:auto;transform:translateY(0);transition:transform 6s cubic-bezier(.45,.05,.35,1)}
.frame:hover .after img,.frame.auto .after img{transform:translateY(var(--scroll,-70%))}
.before{position:absolute;inset:0;z-index:2;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;text-align:center;padding:24px;background:#f1f2f4;color:#3c4043;clip-path:inset(0 100% 0 0);transition:clip-path .8s var(--ease)}
.frame[data-state=before] .before{clip-path:inset(0 0 0 0)}
.before b{font:600 clamp(16px,2vw,22px) var(--sans);color:#202124}
.before span{font-size:14px;max-width:30em;color:#5f6368}
.before svg{width:56px;color:#9aa0a6}
.b-cert{background:#fff}.b-cert svg{color:#d93025}
.b-500{background:#fff}.b-500 code{font:600 clamp(48px,7vw,84px) var(--mono);color:#d0d4d9;line-height:1}
.b-redirect .spinner{width:34px;height:34px;border-radius:50%;border:3px solid #dadce0;border-top-color:#5f6368;animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.hint{font:400 12px var(--mono);color:var(--muted);margin:12px 0 0}
@media(hover:none){.hint{display:none}}
.note{font:400 12px var(--mono);color:var(--muted);margin:28px 0 0;padding-top:24px;border-top:1px solid var(--line)}
@media(max-width:900px){.proj{grid-template-columns:1fr}.proj:nth-of-type(even) .proj-info{order:0}}

/* services */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{--x:50%;--y:50%;position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:clamp(24px,3vw,36px);overflow:hidden;transition:transform .5s var(--ease),border-color .4s}
.card::before{content:"";position:absolute;inset:0;background:radial-gradient(380px circle at var(--x) var(--y),rgba(143,194,184,.14),transparent 60%);opacity:0;transition:opacity .4s}
.card:hover{transform:translateY(-6px);border-color:rgba(143,194,184,.3)}
.card:hover::before{opacity:1}
.card-ic{display:grid;place-items:center;width:52px;height:52px;border-radius:14px;background:rgba(61,112,104,.25);color:var(--accent);margin-bottom:26px}
.card-ic svg{width:26px}
.card h3{font-family:var(--display);font-size:22px;margin-bottom:10px}
.card p{color:var(--muted);margin:0;position:relative}
.incl{list-style:none;padding:0;margin:28px 0 0;display:flex;flex-wrap:wrap;gap:10px}
.incl li{display:inline-flex;align-items:center;gap:8px;font-size:14px;border:1px solid var(--line);border-radius:999px;padding:8px 14px}
.incl li::before{content:"✓";color:var(--accent);font-weight:700}
@media(max-width:900px){.cards{grid-template-columns:1fr}}

/* steps */
.steps{position:relative;list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(18px,3vw,36px)}
.steps li{position:relative;padding-top:74px}
.step-dot{position:absolute;top:0;left:0;width:52px;height:52px;border-radius:50%;display:grid;place-items:center;background:var(--bg);border:1.5px solid var(--line);font:600 18px var(--display);color:var(--muted);transition:background .5s,color .5s,border-color .5s;z-index:1}
.steps li.lit .step-dot{background:var(--accent);color:#0d1116;border-color:var(--accent)}
.steps h3{font-family:var(--display);font-size:22px;margin-bottom:10px}
.steps p{color:var(--muted);margin:0}
.steps-line{position:absolute;left:26px;right:26px;top:25px;height:2px;background:var(--line)}
.steps-line span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--brand),var(--accent));transition:width .2s linear}
@media(max-width:900px){.steps{grid-template-columns:1fr}.steps li{padding:0 0 0 76px;min-height:60px}.steps-line{left:25px;right:auto;top:26px;bottom:26px;width:2px;height:auto}.steps-line span{width:100%;height:0}}

/* about */
.about{display:grid;grid-template-columns:1.2fr .8fr;gap:clamp(32px,6vw,90px);align-items:start}
.about p{color:var(--muted);margin:22px 0 0}
.facts{margin:0;display:grid;gap:12px}
.facts div{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:18px 20px}
.facts dt{font:500 11px var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.facts dd{margin:0;font:600 18px var(--sans)}
@media(max-width:900px){.about{grid-template-columns:1fr}}

/* contact */
.contact{position:relative;padding:clamp(100px,14vw,190px) 0;overflow:hidden;text-align:center}
.contact::before{content:"";position:absolute;left:50%;top:50%;width:900px;height:900px;max-width:140vw;transform:translate(-50%,-50%);background:radial-gradient(circle,rgba(61,112,104,.35),transparent 60%);animation:breathe 10s ease-in-out infinite}
.contact-in{position:relative}
.contact .big{font-family:var(--display);font-size:clamp(34px,6vw,84px);max-width:14em;margin:0 auto}
.contact p{color:var(--muted);max-width:34em;margin:26px auto 40px}
.contact-ctas{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}
@media(max-width:520px){.contact-ctas .btn{width:100%;justify-content:center;word-break:break-all}}

/* footer */
.ftr{border-top:1px solid var(--line);padding:28px 0;font-size:14px;color:var(--muted)}
.ftr-in{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.ftr nav{display:flex;gap:22px;flex-wrap:wrap}
.ftr a{text-decoration:none}.ftr a:hover{color:var(--ink)}

/* legal pages */
.legal{padding:140px 0 100px}
.legal .wrap{max-width:820px}
.legal h1{font-family:var(--display);font-size:clamp(34px,5vw,56px);margin-bottom:36px}
.legal h2{font-family:var(--display);font-size:20px;margin:40px 0 12px}
.legal p,.legal li{color:var(--muted)}
.legal a{color:var(--accent)}
.legal .back{display:inline-flex;margin-bottom:30px;font:500 13px var(--mono);color:var(--muted);text-decoration:none}

/* reduced motion */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition-duration:.01ms!important}
  .rv,.in-load,.win{opacity:1!important;transform:none!important}
  .split .w > span{transform:none!important}
  .marquee-track{animation:none}
}