/* ═══════════════════════════════════════════════════════════
   Mert Özdemir — Portfolyo
   Rafine · Elektrik Mavisi
   ═══════════════════════════════════════════════════════════ */

/* ───── Tokens ───── */
:root{
  --ink:      #060911;
  --ink-1:    #0A0F1C;
  --ink-2:    #0F1728;
  --ink-3:    #16203A;
  --line:     rgba(140,167,220,.13);
  --line-2:   rgba(140,167,220,.26);

  --text:     #E8EDF7;
  --text-2:   #A9B6D0;
  --muted:    #6D7C99;

  --blue:     #3D7BFF;
  --blue-2:   #6BA3FF;
  --blue-3:   #A9C8FF;
  --glow:     rgba(61,123,255,.45);

  --font-d:   'Bricolage Grotesque', -apple-system, sans-serif;
  --font-s:   'Instrument Serif', Georgia, serif;
  --font-m:   'JetBrains Mono', ui-monospace, monospace;

  --ease:     cubic-bezier(.16,1,.3,1);
  --ease-io:  cubic-bezier(.76,0,.24,1);

  --pad:      clamp(20px, 5vw, 72px);
  --maxw:     1440px;
}

/* ───── Reset ───── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{
  background:var(--ink); color:var(--text);
  font-family:var(--font-d); font-weight:300;
  font-size:clamp(15px,1.05vw,17px); line-height:1.6;
  letter-spacing:-.01em;
  overflow-x:hidden; min-height:100vh;
  -webkit-font-smoothing:antialiased;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
::selection{background:var(--blue);color:#fff}

/* ───── Atmosphere: mesh + grain + grid ───── */
.atmos{position:fixed;inset:0;pointer-events:none;z-index:0}

.mesh{position:absolute;inset:-25%;filter:blur(90px);opacity:.55}
.mesh i{position:absolute;display:block;border-radius:50%;mix-blend-mode:screen}
.mesh i:nth-child(1){width:46vw;height:46vw;left:2%;top:4%;
  background:radial-gradient(circle,rgba(61,123,255,.62),transparent 66%);
  animation:drift1 22s var(--ease-io) infinite alternate}
.mesh i:nth-child(2){width:38vw;height:38vw;right:4%;top:14%;
  background:radial-gradient(circle,rgba(107,163,255,.42),transparent 66%);
  animation:drift2 27s var(--ease-io) infinite alternate}
.mesh i:nth-child(3){width:52vw;height:52vw;left:26%;bottom:-14%;
  background:radial-gradient(circle,rgba(28,64,150,.55),transparent 68%);
  animation:drift3 32s var(--ease-io) infinite alternate}
@keyframes drift1{to{transform:translate3d(16vw,10vh,0) scale(1.22)}}
@keyframes drift2{to{transform:translate3d(-14vw,16vh,0) scale(.82)}}
@keyframes drift3{to{transform:translate3d(10vw,-13vh,0) scale(1.16)}}

.grid-bg{position:absolute;inset:0;opacity:.5;
  background-image:
    linear-gradient(var(--line) 1px,transparent 1px),
    linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:76px 76px;
  mask-image:radial-gradient(ellipse 80% 60% at 50% 40%,#000 25%,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 40%,#000 25%,transparent 78%);
}

.grain{position:absolute;inset:-200%;opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='260' height='260'%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");
  animation:grain 6s steps(6) infinite}
@keyframes grain{
  0%,100%{transform:translate(0,0)}   20%{transform:translate(-3%,2%)}
  40%{transform:translate(2%,-3%)}    60%{transform:translate(-2%,-2%)}
  80%{transform:translate(3%,3%)}
}

/* ───── Cursor ───── */
.cur,.cur-dot{position:fixed;top:0;left:0;pointer-events:none;z-index:9999;
  border-radius:50%;mix-blend-mode:difference;will-change:transform}
.cur{width:34px;height:34px;border:1px solid rgba(255,255,255,.65);
  margin:-17px 0 0 -17px;transition:width .32s var(--ease),height .32s var(--ease),background .32s}
.cur-dot{width:5px;height:5px;background:#fff;margin:-2.5px 0 0 -2.5px}
body.cur-lg .cur{width:76px;height:76px;margin:-38px 0 0 -38px;background:rgba(255,255,255,.14)}
@media (hover:none),(pointer:coarse){.cur,.cur-dot{display:none}}

/* ───── Preloader ───── */
.pre{position:fixed;inset:0;z-index:9998;background:var(--ink);
  display:grid;place-items:center}
.pre-inner{text-align:center}
.pre-num{font-family:var(--font-m);font-size:clamp(48px,11vw,140px);
  font-weight:200;letter-spacing:-.04em;color:var(--text);line-height:1}
.pre-bar{width:min(280px,62vw);height:1px;background:var(--line-2);margin:26px auto 0;overflow:hidden}
.pre-bar i{display:block;height:100%;width:0;background:var(--blue);box-shadow:0 0 14px var(--glow)}
.pre-lbl{font-family:var(--font-m);font-size:10px;letter-spacing:.32em;
  text-transform:uppercase;color:var(--muted);margin-top:18px}

/* ───── Shell ───── */
.shell{position:relative;z-index:1;max-width:var(--maxw);margin:0 auto;padding:0 var(--pad)}

/* ───── Topbar ───── */
.topbar{position:relative;z-index:3;display:flex;align-items:center;
  justify-content:space-between;gap:20px;padding:26px 0 0}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{width:34px;height:34px;border:1px solid var(--line-2);border-radius:9px;
  display:grid;place-items:center;font-family:var(--font-d);font-weight:700;
  font-size:16px;color:var(--blue-2);background:rgba(61,123,255,.08);
  box-shadow:inset 0 0 22px rgba(61,123,255,.14)}
.brand-txt{font-family:var(--font-m);font-size:11px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--text-2)}
.status{display:flex;align-items:center;gap:9px;font-family:var(--font-m);
  font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.dot{width:6px;height:6px;border-radius:50%;background:#3DFF9E;
  box-shadow:0 0 0 0 rgba(61,255,158,.6);animation:pulse 2.4s infinite}
@keyframes pulse{
  70%{box-shadow:0 0 0 9px rgba(61,255,158,0)}
  100%{box-shadow:0 0 0 0 rgba(61,255,158,0)}
}

/* ───── Hero ───── */
.hero{position:relative;z-index:2;padding:clamp(44px,9vh,96px) 0 clamp(24px,4vh,44px)}
.hero-kicker{display:flex;align-items:center;gap:14px;margin-bottom:clamp(22px,4vh,40px)}
.hero-kicker span{font-family:var(--font-m);font-size:10.5px;letter-spacing:.28em;
  text-transform:uppercase;color:var(--blue-2)}
.hero-kicker i{flex:1;height:1px;background:linear-gradient(90deg,var(--line-2),transparent)}

.hero-h1{font-size:clamp(38px,7.4vw,104px);font-weight:200;line-height:.98;
  letter-spacing:-.045em;max-width:16ch}
.hero-h1 .ln{display:block;overflow:hidden}
.hero-h1 .ch{display:inline-block;will-change:transform}
.hero-h1 em{font-family:var(--font-s);font-style:italic;font-weight:400;
  color:var(--blue-2);letter-spacing:-.02em}

.hero-sub{margin-top:clamp(24px,4vh,40px);max-width:56ch;
  font-size:clamp(15px,1.35vw,19px);font-weight:300;color:var(--text-2);line-height:1.66}

.hero-meta{margin-top:clamp(28px,5vh,48px);display:flex;flex-wrap:wrap;gap:10px}
.chip{font-family:var(--font-m);font-size:10.5px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--text-2);
  border:1px solid var(--line);border-radius:100px;padding:8px 15px;
  background:rgba(255,255,255,.02);backdrop-filter:blur(8px);
  transition:border-color .4s var(--ease),color .4s var(--ease),background .4s}
.chip:hover{border-color:var(--blue);color:var(--blue-2);background:rgba(61,123,255,.09)}

/* ───── Stat strip ───── */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  margin-top:clamp(40px,7vh,72px);border:1px solid var(--line);
  background:var(--line);border-radius:16px;overflow:hidden}
.stat{background:var(--ink-1);padding:clamp(18px,2.6vw,30px)}
.stat b{display:block;font-family:var(--font-d);font-size:clamp(26px,3.6vw,50px);
  font-weight:200;letter-spacing:-.04em;line-height:1;color:var(--text)}
.stat span{display:block;margin-top:9px;font-family:var(--font-m);font-size:10px;
  letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}
@media(max-width:720px){.stats{grid-template-columns:repeat(2,1fr)}}

/* ───── Tabs ───── */
.tabwrap{position:sticky;top:0;z-index:50;margin-top:clamp(34px,5.5vh,64px);
  background:linear-gradient(180deg,var(--ink) 58%,rgba(6,9,17,.86) 100%);
  backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.tabs{position:relative;display:flex;gap:clamp(4px,1.6vw,26px);
  max-width:var(--maxw);margin:0 auto;padding:0 var(--pad);
  overflow-x:auto;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tab{position:relative;padding:20px 4px 18px;white-space:nowrap;
  font-family:var(--font-m);font-size:clamp(10px,1.05vw,11.5px);
  letter-spacing:.2em;text-transform:uppercase;color:var(--muted);
  transition:color .42s var(--ease)}
.tab i{font-style:normal;opacity:.42;margin-right:8px}
.tab:hover{color:var(--text-2)}
.tab.on{color:var(--text)}
.tab.on i{color:var(--blue)}
.tab-ind{position:absolute;bottom:-1px;height:1px;background:var(--blue);
  box-shadow:0 0 12px var(--glow),0 0 3px var(--blue);pointer-events:none}

/* ───── Panels ───── */
.panel{display:none;padding:clamp(48px,8vh,96px) 0 clamp(64px,11vh,140px)}
.panel.on{display:block}

.sec-head{display:flex;align-items:baseline;justify-content:space-between;
  gap:20px;flex-wrap:wrap;margin-bottom:clamp(30px,5vh,56px)}
.sec-title{font-size:clamp(24px,3.4vw,44px);font-weight:200;letter-spacing:-.035em}
.sec-title em{font-family:var(--font-s);font-style:italic;color:var(--blue-2)}
.sec-note{font-family:var(--font-m);font-size:10.5px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--muted)}

/* ───── Work cards ───── */
.works{display:flex;flex-direction:column;gap:clamp(20px,3vw,34px)}
.work{position:relative;display:grid;grid-template-columns:1fr 1.32fr;gap:0;
  border:1px solid var(--line);border-radius:20px;overflow:hidden;
  background:linear-gradient(150deg,var(--ink-1),var(--ink));
  transform-style:preserve-3d;will-change:transform;
  transition:border-color .55s var(--ease),box-shadow .55s var(--ease)}
.work:hover{border-color:var(--line-2);box-shadow:0 26px 70px -26px rgba(0,0,0,.85),0 0 0 1px rgba(61,123,255,.14)}
@media(max-width:900px){.work{grid-template-columns:1fr}}

.work-body{padding:clamp(24px,3.1vw,44px);display:flex;flex-direction:column;
  justify-content:space-between;gap:26px;min-height:100%}
.work-top{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}
.work-idx{font-family:var(--font-m);font-size:10.5px;letter-spacing:.2em;color:var(--blue)}
.work-live{font-family:var(--font-m);font-size:9.5px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--muted);border:1px solid var(--line);
  border-radius:100px;padding:5px 11px;transition:.4s var(--ease)}
.work-live:hover{color:var(--blue-2);border-color:var(--blue)}
.work h3{font-size:clamp(24px,3vw,40px);font-weight:200;letter-spacing:-.04em;
  line-height:1.06;margin-bottom:12px}
.work-role{font-family:var(--font-m);font-size:10.5px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--blue-2);margin-bottom:16px}
.work p{color:var(--text-2);font-size:clamp(14px,1.08vw,15.5px);line-height:1.68;max-width:46ch}
.work-tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:20px}
.work-tags span{font-family:var(--font-m);font-size:9.5px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--muted);border:1px solid var(--line);
  border-radius:5px;padding:5px 9px}
.work-facts{display:flex;flex-wrap:wrap;gap:22px;padding-top:22px;border-top:1px solid var(--line)}
.work-facts div{min-width:74px}
.work-facts b{display:block;font-size:clamp(17px,1.9vw,25px);font-weight:200;letter-spacing:-.03em}
.work-facts span{display:block;margin-top:4px;font-family:var(--font-m);font-size:9px;
  letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}

.work-vis{position:relative;overflow:hidden;background:var(--ink-2);min-height:280px}
.work-vis img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  object-position:top center;opacity:0;transition:opacity .8s var(--ease)}
.work-vis img.on{opacity:1}
.work-vis::after{content:'';position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(105deg,rgba(6,9,17,.72) 0%,transparent 34%)}
@media(max-width:900px){.work-vis{min-height:230px;order:-1}
  .work-vis::after{background:linear-gradient(180deg,transparent 55%,rgba(6,9,17,.62))}}

.shots{position:absolute;left:0;right:0;bottom:0;z-index:2;
  display:flex;gap:6px;padding:14px;flex-wrap:wrap}
.shot{width:30px;height:3px;border-radius:2px;background:rgba(255,255,255,.2);
  transition:background .4s var(--ease),width .4s var(--ease)}
.shot.on{background:var(--blue);width:42px;box-shadow:0 0 10px var(--glow)}

/* ───── Brand sheets ───── */
.brands{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,270px),1fr));
  gap:clamp(12px,1.7vw,22px)}
.brand-c{position:relative;display:block;border-radius:14px;overflow:hidden;
  border:1px solid var(--line);background:var(--ink-1);
  will-change:transform;
  transition:transform .6s var(--ease),border-color .6s var(--ease),box-shadow .6s var(--ease)}
.brand-c:hover{transform:translateY(-6px);border-color:var(--line-2);
  box-shadow:0 24px 54px -22px rgba(0,0,0,.9),0 0 0 1px rgba(61,123,255,.16)}
.brand-sheet{position:relative;aspect-ratio:4/3;background:#fff;overflow:hidden}
.brand-sheet img{width:100%;height:100%;object-fit:contain;padding:9%;
  transition:transform .75s var(--ease)}
.brand-c:hover .brand-sheet img{transform:scale(1.05)}
.brand-sheet::after{content:'';position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(160deg,rgba(61,123,255,.11),transparent 46%);
  opacity:0;transition:opacity .6s var(--ease)}
.brand-c:hover .brand-sheet::after{opacity:1}
.brand-cap{display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 16px}
.brand-cap b{font-family:var(--font-d);font-size:14.5px;font-weight:300;
  letter-spacing:-.02em;color:var(--text)}
.brand-cap i{font-family:var(--font-m);font-style:normal;font-size:9px;
  letter-spacing:.16em;text-transform:uppercase;color:var(--muted);
  transition:color .5s var(--ease)}
.brand-c:hover .brand-cap i{color:var(--blue-2)}

/* ───── Graphics ───── */
.gfx{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr));
  gap:clamp(12px,1.6vw,20px)}
.gfx-c{position:relative;border:1px solid var(--line);border-radius:14px;
  overflow:hidden;background:var(--ink-1);aspect-ratio:16/10;
  transition:border-color .5s var(--ease),transform .5s var(--ease)}
.gfx-c:hover{border-color:var(--line-2);transform:translateY(-4px)}
.gfx-c img{width:100%;height:100%;object-fit:cover;
  transition:transform .8s var(--ease);opacity:.86}
.gfx-c:hover img{transform:scale(1.06);opacity:1}
.gfx-c figcaption{position:absolute;inset:auto 0 0 0;padding:40px 16px 14px;
  font-family:var(--font-m);font-size:9.5px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--text);text-shadow:0 1px 3px rgba(0,0,0,.9);
  background:linear-gradient(transparent,rgba(6,9,17,.55) 42%,rgba(6,9,17,.97))}

/* ───── About ───── */
.about{display:grid;grid-template-columns:1.25fr 1fr;gap:clamp(30px,5vw,80px)}
@media(max-width:900px){.about{grid-template-columns:1fr}}
.about-lead{font-size:clamp(19px,2.3vw,30px);font-weight:200;line-height:1.42;
  letter-spacing:-.03em;margin-bottom:28px}
.about-lead em{font-family:var(--font-s);font-style:italic;color:var(--blue-2)}
.about p{color:var(--text-2);margin-bottom:17px;max-width:62ch}
.skills{display:flex;flex-direction:column;gap:0;border-top:1px solid var(--line)}
.skill{display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:15px 0;border-bottom:1px solid var(--line);
  transition:padding-left .45s var(--ease)}
.skill:hover{padding-left:11px}
.skill span{font-size:14.5px;font-weight:300}
.skill i{font-family:var(--font-m);font-style:normal;font-size:9.5px;
  letter-spacing:.16em;color:var(--muted)}

/* ───── Contact ───── */
.contact{text-align:center;padding:clamp(20px,4vh,50px) 0}
.contact h2{font-size:clamp(30px,6vw,80px);font-weight:200;line-height:1.02;
  letter-spacing:-.045em;max-width:18ch;margin:0 auto}
.contact h2 em{font-family:var(--font-s);font-style:italic;color:var(--blue-2)}
.contact p{margin:clamp(20px,3vh,32px) auto 0;max-width:48ch;color:var(--text-2)}
.cta{display:inline-flex;align-items:center;gap:13px;margin-top:clamp(30px,5vh,52px);
  padding:17px 34px;border-radius:100px;border:1px solid var(--line-2);
  font-family:var(--font-m);font-size:11px;letter-spacing:.2em;text-transform:uppercase;
  background:rgba(61,123,255,.09);backdrop-filter:blur(10px);
  will-change:transform;transition:background .5s var(--ease),border-color .5s var(--ease),color .5s}
.cta:hover{background:var(--blue);border-color:var(--blue);color:#fff;
  box-shadow:0 0 40px -6px var(--glow)}
.cta svg{width:15px;height:15px;transition:transform .5s var(--ease)}
.cta:hover svg{transform:translateX(4px)}
.chan{display:flex;flex-wrap:wrap;justify-content:center;gap:1px;
  margin-top:clamp(40px,7vh,74px);border:1px solid var(--line);
  background:var(--line);border-radius:16px;overflow:hidden}
.chan a,.chan div{flex:1 1 190px;background:var(--ink-1);padding:24px 20px;
  transition:background .5s var(--ease)}
.chan a:hover{background:var(--ink-2)}
.chan b{display:block;font-family:var(--font-m);font-size:9.5px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--muted);margin-bottom:9px;font-weight:400}
.chan span{font-size:15px;font-weight:300;color:var(--text)}

/* ───── Marquee ───── */
.marq{position:relative;overflow:hidden;padding:clamp(22px,3.4vh,38px) 0;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  margin-top:clamp(46px,8vh,96px)}
.marq-t{display:flex;gap:44px;width:max-content;will-change:transform}
.marq-t span{font-size:clamp(20px,3.1vw,42px);font-weight:200;letter-spacing:-.035em;
  color:var(--muted);white-space:nowrap;display:flex;align-items:center;gap:44px}
.marq-t span::after{content:'';width:6px;height:6px;border-radius:50%;background:var(--blue);flex:none}

/* ───── Footer ───── */
.foot{position:relative;z-index:1;border-top:1px solid var(--line);
  padding:34px 0;margin-top:clamp(40px,7vh,80px)}
.foot-in{display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;
  align-items:center;font-family:var(--font-m);font-size:10px;
  letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}

/* ───── Reveal base ───── */
.rv{opacity:0;will-change:transform,opacity}

/* ───── Reduced motion ───── */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;
    transition-duration:.001ms!important;scroll-behavior:auto!important}
  .rv{opacity:1!important;transform:none!important}
  .mesh i,.grain{animation:none}
  .cur,.cur-dot{display:none}
  .pre{display:none}
}