:root{--navy:#14215a;--navy2:#24379a;--accent:#e8743b;--teal:#14b8a6;--bg:#f4f6fb;--text:#1f2937;--muted:#64748b;--line:#e5e7eb}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{font-family:Inter,system-ui,sans-serif;color:var(--text);background:#fff;line-height:1.65;overflow-x:hidden}
h1,h2,h3,h4,.logo,.btn,.eyebrow,.stats b{font-family:Montserrat,Inter,sans-serif}
a{color:inherit;text-decoration:none}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.btn{display:inline-block;padding:13px 26px;border-radius:40px;font-weight:700;border:none;cursor:pointer;font-size:14px;letter-spacing:.3px;transition:.2s}
.btn-primary{background:var(--navy);color:#fff}.btn-primary:hover{background:var(--navy2)}
.btn-accent{background:var(--accent);color:#fff}.btn-accent:hover{background:#d4612a}
.btn-ghost{border:2px solid rgba(255,255,255,.7);color:#fff}.btn-ghost:hover{background:#fff;color:var(--navy)}
.btn-light{background:#fff;color:var(--navy)}

/* NAV */
.nav{position:fixed;inset:0 0 auto;z-index:20;transition:.25s;background:transparent}
.nav.scrolled{background:#fff;box-shadow:0 4px 20px rgba(20,33,90,.08)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:78px}
.logo{font-size:30px;font-weight:800;color:#fff;letter-spacing:-.5px}.logo span{color:var(--accent)}
.nav.scrolled .logo{color:var(--navy)}.logo.light{color:#fff}
.menu{display:flex;gap:30px;list-style:none;align-items:center;font-weight:600;font-size:14px;color:#fff}
.nav.scrolled .menu{color:var(--navy)}
.menu a:not(.btn){position:relative;padding:6px 0}
.menu a:not(.btn):after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--accent);transform:scaleX(0);transition:.2s}
.menu a:not(.btn):hover:after{transform:scaleX(1)}
.menu .btn{padding:10px 20px}
.burger{display:none;background:none;border:none;font-size:28px;color:#fff;cursor:pointer}
.nav.scrolled .burger{color:var(--navy)}

/* HERO */
.hero{position:relative;height:100vh;min-height:620px;max-height:860px;color:#fff;overflow:hidden;background:var(--navy)}
.slide{position:absolute;inset:0;display:flex;align-items:center;opacity:0;transition:opacity 1s;padding-top:60px}
.slide.on{opacity:1}
.slide:before{content:"";position:absolute;inset:0;background-size:22px 22px;opacity:.12;background-image:radial-gradient(#fff 1.2px,transparent 1.4px)}
.s1{background:linear-gradient(120deg,#14215a 0%,#24379a 60%,#2f56c9 100%)}
.s2{background:linear-gradient(120deg,#0f3d2e 0%,#15803d 70%,#22a35a 100%)}
.s3{background:linear-gradient(120deg,#0b3440 0%,#0e7490 65%,#14b8a6 100%)}
.slide .container{position:relative;width:100%}
.slide h1{font-size:clamp(34px,5.2vw,64px);line-height:1.1;margin:14px 0 20px;font-weight:800;max-width:780px}
.slide h1 em{font-style:normal;color:#ffb88c}
.slide p{font-size:18px;color:rgba(255,255,255,.85);max-width:600px}
.slide.on h1,.slide.on p,.slide.on .hero-btns{animation:up .9s both}.slide.on p{animation-delay:.15s}.slide.on .hero-btns{animation-delay:.3s}
@keyframes up{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
.hero-btns{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}
.eyebrow{display:inline-block;color:#ffb88c;font-weight:700;text-transform:uppercase;font-size:13px;letter-spacing:2px}
.eyebrow.dark{color:var(--accent)}.eyebrow.center{display:block;text-align:center}
.dots{position:absolute;bottom:40px;left:50%;transform:translateX(-50%);display:flex;gap:10px;z-index:2}
.dots button{width:12px;height:12px;border-radius:10px;border:2px solid #fff;background:transparent;cursor:pointer;transition:.3s}
.dots button.on{width:36px;background:#fff}
.hero-fibers{position:absolute;bottom:0;left:0;width:100%;height:45%;pointer-events:none}
.hero-fibers path{fill:none;stroke:rgba(255,255,255,.18);stroke-width:2;stroke-dasharray:1400;animation:draw 6s ease-in-out infinite alternate}
.hero-fibers path:nth-child(2){animation-delay:1s}.hero-fibers path:nth-child(3){animation-delay:2s}
@keyframes draw{from{stroke-dashoffset:1400}to{stroke-dashoffset:0}}

/* STATS */
.stats-band{background:#fff;position:relative;z-index:3;margin-top:-60px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-radius:20px;box-shadow:0 20px 50px rgba(20,33,90,.12);padding:30px 10px}
.stats div{text-align:center;border-right:1px solid var(--line);padding:0 10px}.stats div:last-child{border:0}
.stats b{font-size:40px;color:var(--navy);display:block;font-weight:800}
.stats span{color:var(--muted);font-size:14px}

/* SECTIONS */
.section{padding:100px 0}.section.alt{background:var(--bg)}
.section.dark{background:linear-gradient(130deg,#0f1946,#14215a);color:#fff}
h2{font-size:clamp(28px,3.4vw,40px);color:var(--navy);margin:10px 0 18px;line-height:1.2;font-weight:800}
h2.light{color:#fff}.center{text-align:center}
.lead{color:var(--muted);font-size:17px;max-width:620px;margin:0 auto}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}.two-col.top{align-items:start}
.two-col p{margin-bottom:14px;color:#475569}
.checks{list-style:none;margin-top:18px}.checks li{padding:7px 0 7px 32px;position:relative;font-weight:500}
.checks li:before{content:"✓";position:absolute;left:0;top:9px;color:#fff;background:var(--accent);border-radius:50%;width:21px;height:21px;font-size:12px;display:grid;place-items:center}
.reveal{opacity:0;transform:translateY(30px);transition:opacity .8s,transform .8s}.reveal.in{opacity:1;transform:none}

/* about art — katmanlı keçe */
.about-art{position:relative;height:420px}
.layer{position:absolute;border-radius:22px;box-shadow:0 20px 40px rgba(0,0,0,.12)}
.layer.l1{inset:0 22% 18% 0;background:repeating-linear-gradient(35deg,#cbd5e1 0 3px,#e2e8f0 3px 7px),#e2e8f0}
.layer.l2{inset:12% 8% 8% 14%;background:repeating-linear-gradient(-30deg,#24379a 0 2px,#3b55c4 2px 6px)}
.layer.l3{inset:30% 0 0 34%;background:repeating-linear-gradient(60deg,#e8743b 0 2px,#f59563 2px 7px)}
.badge-float{position:absolute;left:-10px;bottom:20px;background:#fff;border-radius:16px;padding:16px 22px;box-shadow:0 16px 40px rgba(0,0,0,.15)}
.badge-float b{display:block;color:var(--navy);font-family:Montserrat;font-size:18px}.badge-float span{color:var(--muted);font-size:13px}

/* SECTORS */
.sectors{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:46px}
.sector{background:#fff;border:1px solid var(--line);border-radius:22px;padding:0 0 26px;text-align:left;cursor:pointer;font:inherit;color:inherit;overflow:hidden;transition:.25s;position:relative}
.sector:hover{transform:translateY(-6px);box-shadow:0 24px 50px rgba(20,33,90,.13);border-color:var(--c)}
.sector-art{height:180px;display:grid;place-items:center;background:color-mix(in srgb,var(--c) 9%,#fff);margin-bottom:22px;position:relative}
.sector-art:after{content:"";position:absolute;inset:auto 0 0;height:4px;background:var(--c);transform:scaleX(.15);transform-origin:left;transition:.35s}
.sector:hover .sector-art:after{transform:scaleX(1)}
.sector-art svg{width:62%;max-height:150px;transition:.35s}.sector:hover .sector-art svg{transform:scale(1.06)}
/* Fotoğraflı sektör kartı */
.sector-art.photo{height:220px;background-size:cover;background-position:center;transition:background-size .5s}
.sector-art.photo:before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(11,19,56,.45))}
.sector:hover .sector-art.photo{background-size:108%}
.sector-ic{position:absolute;bottom:-26px;inset-inline-start:22px;width:58px;height:58px;border-radius:16px;background:#fff;display:grid;place-items:center;box-shadow:0 10px 24px rgba(0,0,0,.15);z-index:1}
.sector-ic svg{width:42px!important;max-height:34px;transform:none!important}
.sector-art.photo + h3{margin-top:26px}
.modal-art.photo{height:280px;background-size:cover;background-position:center;transition:background-image .3s}
.thumbs{display:flex;gap:8px;margin:-12px 0 18px}
.thumbs button{width:70px;height:54px;border-radius:10px;border:2px solid transparent;background-size:cover;background-position:center;cursor:pointer;opacity:.6}
.thumbs button.on{border-color:var(--accent);opacity:1}
.sector h3{color:var(--navy);font-size:20px;padding:0 26px;margin-bottom:6px}
.sector p{color:var(--muted);padding:0 26px;font-size:14.5px}
.sector .more{display:block;padding:14px 26px 0;color:var(--c);font-weight:700;font-size:14px;font-family:Montserrat}

/* PRODUCTS */
.products{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:46px}
.prod{border:1px solid var(--line);border-radius:20px;padding:30px;transition:.2s;background:#fff}
.prod:hover{border-color:var(--accent);box-shadow:0 14px 34px rgba(232,116,59,.12)}
.prod-ic{font-size:28px;width:60px;height:60px;display:grid;place-items:center;background:#fff3ec;border-radius:16px;margin-bottom:16px}
.prod h3{color:var(--navy);margin-bottom:8px;font-size:19px}.prod p{color:var(--muted);font-size:14.5px}
.prod ul{list-style:none;margin-top:14px;border-top:1px dashed var(--line);padding-top:12px}
.prod li{font-size:13.5px;font-weight:600;color:var(--navy);padding:3px 0}.prod li:before{content:"— ";color:var(--accent)}

/* FLOW */
.flow{list-style:none;display:grid;grid-template-columns:repeat(6,1fr);gap:14px;margin-top:56px;counter-reset:s;position:relative}
.flow:before{content:"";position:absolute;top:28px;left:8%;right:8%;height:2px;background:repeating-linear-gradient(90deg,rgba(255,255,255,.35) 0 8px,transparent 8px 16px)}
.flow li{text-align:center;position:relative}
.flow i{width:56px;height:56px;border-radius:50%;background:var(--accent);display:grid;place-items:center;margin:0 auto 16px;font-style:normal;font-weight:800;font-size:20px;font-family:Montserrat;box-shadow:0 0 0 8px rgba(232,116,59,.2)}
.flow h4{font-size:15px;margin-bottom:6px}.flow p{font-size:13px;color:#b8c2ea}

/* FEATURES */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature{padding:34px;border-radius:20px;background:var(--bg)}
.f-ic{width:54px;height:54px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center;font-size:22px;margin-bottom:16px}
.feature h3{color:var(--navy);margin-bottom:8px}.feature p{color:var(--muted)}

/* CTA */
.cta{background:linear-gradient(110deg,var(--accent),#f59e0b);color:#fff;padding:56px 0}
.cta-in{display:flex;justify-content:space-between;align-items:center;gap:24px}
.cta h2{color:#fff;font-size:30px;margin:0 0 6px}

/* CONTACT */
.contact{display:grid;gap:14px;margin-top:24px}
.contact div{background:#fff;border-radius:14px;padding:16px 20px;border:1px solid var(--line)}
.contact b{display:block;color:var(--accent);font-size:12px;text-transform:uppercase;letter-spacing:1px}
.form{display:grid;gap:12px;background:#fff;padding:32px;border-radius:22px;box-shadow:0 20px 50px rgba(20,33,90,.08)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form input,.form textarea,.form select{padding:14px;border:1px solid var(--line);border-radius:12px;font:inherit;background:#fff;width:100%}
.form input:focus,.form textarea:focus,.form select:focus{outline:2px solid var(--navy2);border-color:transparent}
.kvkk{display:flex;gap:8px;font-size:13px;color:var(--muted);align-items:center}.kvkk input{width:auto}
.ok{color:#15803d;font-weight:600;padding:20px 0}

/* FOOTER */
.footer{background:#0b1338;color:#aeb8e0;padding:70px 0 0}
.foot-in{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px}
.footer h5{color:#fff;margin-bottom:12px;font-size:15px;font-family:Montserrat}
.footer a{display:block;padding:3px 0;font-size:14px}.footer a:hover{color:#fff}.footer p{margin-top:14px;max-width:320px}
.copy{border-top:1px solid #1d2a63;text-align:center;padding:20px;margin-top:50px;font-size:13px}

/* MODAL */
.modal{position:fixed;inset:0;background:rgba(11,19,56,.6);display:none;place-items:center;z-index:50;padding:16px}
.modal.open{display:grid;animation:fade .25s}
@keyframes fade{from{opacity:0}}
.modal-box{background:#fff;border-radius:24px;max-width:560px;width:100%;padding:0 32px 32px;position:relative;max-height:90vh;overflow:auto}
.modal-art{height:170px;margin:0 -32px 24px;display:grid;place-items:center;background:color-mix(in srgb,var(--c) 10%,#fff)}
.modal-art svg{width:45%}
.modal-box h2{margin-top:0}.modal-box h4{color:var(--navy);margin-top:16px}.modal-box .btn{margin-top:22px}
.modal-box .x{position:absolute;top:14px;right:14px;border:none;background:#fff;border-radius:50%;width:36px;height:36px;cursor:pointer;font-size:16px;box-shadow:0 4px 12px rgba(0,0,0,.1);z-index:1}

/* DİL SEÇİCİ */
.lang{position:relative}
.lang-btn{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.4);color:inherit;border-radius:30px;padding:8px 14px;font:inherit;font-weight:700;cursor:pointer}
.nav.scrolled .lang-btn{background:#fff;border-color:var(--line)}
.lang-menu{display:none;position:absolute;top:calc(100% + 10px);inset-inline-end:0;background:#fff;border-radius:14px;box-shadow:0 16px 40px rgba(0,0,0,.15);padding:6px;min-width:170px;z-index:30}
.lang.open .lang-menu{display:block}
.lang-menu button{display:flex;gap:10px;width:100%;text-align:start;border:none;background:none;padding:10px 12px;border-radius:10px;cursor:pointer;font:inherit;color:var(--navy);font-weight:500}
.lang-menu button:hover{background:var(--bg)}.lang-menu button.on{background:#fff3ec;color:var(--accent)}
.lang-menu b{width:26px;font-size:12px;color:var(--muted)}

/* ARAPÇA (sağdan sola) */
[dir=rtl] body,[dir=rtl] h1,[dir=rtl] h2,[dir=rtl] h3,[dir=rtl] h4,[dir=rtl] h5,[dir=rtl] .btn,[dir=rtl] .eyebrow,[dir=rtl] .sector .more{font-family:Cairo,Inter,sans-serif;letter-spacing:0}
[dir=rtl] .eyebrow{text-transform:none}
[dir=rtl] .checks li{padding:7px 32px 7px 0}[dir=rtl] .checks li:before{left:auto;right:0}
[dir=rtl] .badge-float{left:auto;right:-10px}
[dir=rtl] .sector,[dir=rtl] .lang-menu button{text-align:right}
[dir=rtl] .sector-art:after{transform-origin:right}
[dir=rtl] .stats div{border-right:0;border-left:1px solid var(--line)}[dir=rtl] .stats div:last-child{border:0}
[dir=rtl] .modal-box .x{right:auto;left:14px}
[dir=rtl] .prod li:before{content:"— "}
.logo{direction:ltr;unicode-bidi:isolate}

/* RESPONSIVE */
@media(max-width:1000px){
  .sectors,.products,.grid3{grid-template-columns:1fr 1fr}
  .flow{grid-template-columns:repeat(3,1fr);row-gap:36px}.flow:before{display:none}
  .two-col{grid-template-columns:1fr;gap:40px}.about-art{height:320px}
  .foot-in{grid-template-columns:1fr 1fr}
  .burger{display:block}
  .menu{display:none;position:absolute;top:78px;left:0;right:0;background:#fff;color:var(--navy);flex-direction:column;padding:24px;gap:18px;box-shadow:0 20px 30px rgba(0,0,0,.1)}
  .menu.open{display:flex}
  .lang-btn{background:var(--bg);border-color:var(--line)}
  .lang-menu{position:static;box-shadow:none;border:1px solid var(--line);margin-top:8px}
}
@media(max-width:640px){
  .sectors,.products,.grid3,.row2{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr;row-gap:24px}.stats div:nth-child(2){border:0}
  .flow{grid-template-columns:1fr 1fr}.cta-in{flex-direction:column;text-align:center}
  .section{padding:70px 0}.slide p{font-size:16px}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}