/* ===== TOKENS ===== */
:root{
  --ink:#0c1a2e; --blue:#1d4ab0; --red:#d42a2f; --paper:#f4f5f7; --line:#e1e4e9; --mute:#5a6678; --white:#fff;
  --f-head:'Bricolage Grotesque',system-ui,sans-serif;
  --f-body:'Instrument Sans',system-ui,sans-serif;
  --h:76px; --r:10px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:var(--h)}
body{font-family:var(--f-body);color:var(--ink);background:var(--white);line-height:1.65;font-size:17px;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
ul,ol{list-style:none}
:focus-visible{outline:2px solid var(--red);outline-offset:3px}
.container{width:min(1280px,100% - 48px);margin-inline:auto}
.section{padding:120px 0}
.section--grey{background:var(--paper)}
.center{text-align:center;margin-top:56px}
.h2{font-family:var(--f-head);font-weight:700;font-size:clamp(30px,4.2vw,52px);line-height:1.1;letter-spacing:-.02em;max-width:18ch}
.h2--sm{font-size:clamp(22px,2.4vw,30px);max-width:none}
.lead{font-size:20px;color:var(--ink);margin:24px 0 16px}
.head{margin-bottom:56px}
.head p{color:var(--mute);margin-top:14px}
.head:not(.head--left){text-align:center}
.head:not(.head--left) .h2{margin-inline:auto}
.head--light p{color:rgba(255,255,255,.7)}
.header .logo img {
  height: 70px;
  width: auto;
  display: block;
}

.footer .logo img {
  height: 110px; 
  width: auto;
  display: block;
}

/* ===== BUTTONS ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 28px;border-radius:999px;font-weight:600;font-size:15px;transition:background .25s,color .25s,border-color .25s;border:1.5px solid transparent;cursor:pointer}
.btn--red{background:var(--red);color:#fff}.btn--red:hover{background:#b81f24}
.btn--dark{background:var(--ink);color:#fff;margin-top:12px}.btn--dark:hover{background:var(--blue)}
.btn--white{background:#fff;color:var(--ink)}.btn--white:hover{background:var(--paper)}
.btn--ghost{border-color:rgba(255,255,255,.55);color:#fff}.btn--ghost:hover{background:#fff;color:var(--ink)}

/* ===== HEADER ===== */
.header{position:fixed;inset:0 0 auto 0;height:var(--h);z-index:50;color:#fff;transition:background .3s,color .3s,box-shadow .3s}
.header.is-solid{background:rgba(255,255,255,.96);backdrop-filter:blur(10px);color:var(--ink);box-shadow:0 1px 0 var(--line)}
.header__in{display:flex;align-items:center;justify-content:space-between;height:100%}
.logo{display:flex;align-items:center;gap:10px;font-family:var(--f-head);font-weight:700;font-size:24px;letter-spacing:.02em}
.logo small{font-weight:500;font-size:.7em;opacity:.75;letter-spacing:.04em}
.nav{display:flex;align-items:center;gap:36px;font-weight:500;font-size:15px}
.nav a:not(.btn){position:relative;padding:6px 0}
.nav a:not(.btn)::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--red);transition:width .3s}
.nav a:not(.btn):hover::after{width:100%}
.nav__cta{padding:10px 22px}
.burger{display:none;width:44px;height:44px;position:relative}
.burger span{position:absolute;left:10px;right:10px;height:2px;background:currentColor;transition:transform .3s}
.burger span:first-child{top:18px}.burger span:last-child{top:26px}
.burger[aria-expanded="true"] span:first-child{transform:translateY(4px) rotate(45deg)}
.burger[aria-expanded="true"] span:last-child{transform:translateY(-4px) rotate(-45deg)}

/* ===== HERO ===== */
.hero{position:relative;height:100svh;min-height:620px;overflow:hidden;background:var(--ink);color:#fff}
.hero__track{display:flex;height:100%;transition:transform .9s cubic-bezier(.77,0,.18,1)}
.slide{position:relative;flex:0 0 100%;height:100%;display:flex;align-items:center}
.slide__bg{position:absolute;inset:0}
.slide__bg img{width:100%;height:100%;object-fit:cover}
.slide__bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,16,30,.82) 0%,rgba(8,16,30,.45) 55%,rgba(8,16,30,.15) 100%)}
.bg-1{background:linear-gradient(135deg,#12294d,#1d4ab0 70%,#2d62d1)}
.bg-2{background:linear-gradient(135deg,#1a1a1f,#4a1618 70%,#8a2024)}
.bg-3{background:linear-gradient(135deg,#0d2a35,#14606e 70%,#1d8a93)}
.slide__in{position:relative;z-index:2;padding-top:var(--h)}
.slide h1{font-family:var(--f-head);font-weight:700;font-size:clamp(42px,7vw,96px);line-height:1.02;letter-spacing:-.03em;max-width:12ch}
.slide p{max-width:50ch;font-size:19px;margin:28px 0 36px;color:rgba(255,255,255,.85)}
.slide__btns{display:flex;gap:14px;flex-wrap:wrap}
/* tek, yönetilen giriş animasyonu: sadece aktif slaytın metni */
.slide__in>*{opacity:0;transform:translateY(24px)}
.slide.is-active .slide__in>*{opacity:1;transform:none;transition:opacity .8s .55s,transform .8s .55s}
.slide.is-active .slide__in>p{transition-delay:.7s}
.slide.is-active .slide__in>.slide__btns{transition-delay:.85s}
.hero__ctrl{position:absolute;left:50%;bottom:44px;transform:translateX(-50%);z-index:5;display:flex;align-items:center;gap:32px}
.hero__count{font-family:var(--f-head);font-size:18px;white-space:nowrap}
.hero__count span{opacity:.6;margin-left:6px}
.hero__bars{flex:1;display:flex;gap:10px}
.hero__bars i{flex:1;height:3px;background:rgba(255,255,255,.3);position:relative;overflow:hidden;cursor:pointer}
.hero__bars i::after{content:"";position:absolute;inset:0;background:#fff;transform:scaleX(0);transform-origin:left}
.hero__bars i.done::after{transform:scaleX(1)}
.hero__bars i.run::after{animation:fill var(--dur,6s) linear forwards}
@keyframes fill{to{transform:scaleX(1)}}
.hero__arrows{display:flex;gap:10px}
.hero__arrows button{width:48px;height:48px;border-radius:50%;border:1.5px solid rgba(255,255,255,.5);display:grid;place-items:center;transition:background .25s,color .25s}
.hero__arrows button:hover{background:#fff;color:var(--ink)}

/* ===== PLACEHOLDER (görsel alanları) ===== */
.ph{position:relative;overflow:hidden;border-radius:var(--r);background:linear-gradient(135deg,#dfe4ec,#c4cddb)}
.ph img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}

/* ===== HAKKIMIZDA ===== */
.about__grid{display:grid;grid-template-columns:1fr 1.05fr;gap:96px;align-items:center}
.about__media{position:relative;padding-bottom:70px}
.ph--tall{aspect-ratio:4/5;width:82%}
.ph--small{position:absolute;right:0;bottom:0;width:48%;aspect-ratio:1;border:8px solid #fff;border-radius:14px}
.about__text p:not(.lead){color:var(--mute);max-width:60ch}
.stats{display:flex;gap:48px;margin:36px 0 24px;padding:28px 0;border-block:1px solid var(--line)}
.stats b{display:block;font-family:var(--f-head);font-size:44px;line-height:1;color:var(--blue)}
.stats span{font-size:14px;color:var(--mute)}

/* ===== ÜRÜNLER ===== */
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.card{position:relative;aspect-ratio:5/7;border-radius:var(--r);overflow:hidden;display:block;width:100%;text-align:center;color:#fff;isolation:isolate}
.card__bg,.card img{position:absolute;inset:0;width:100%;height:100%}
.card img{object-fit:cover;transition:transform .7s cubic-bezier(.2,.7,.2,1)}
.card:hover img{transform:scale(1.06)}
.card::after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,rgba(0,0,0,.5),transparent 40%)}
.card__name{position:absolute;z-index:2;top:22px;left:0;right:0;font-family:var(--f-head);font-weight:700;font-size:clamp(18px,1.8vw,26px);letter-spacing:.02em;text-shadow:0 2px 8px rgba(0,0,0,.35)}
.c1{background:linear-gradient(160deg,#5b3a29,#2a1a12)}.c2{background:linear-gradient(160deg,#2d4ea8,#14224f)}
.c3{background:linear-gradient(160deg,#e0a21b,#8a5a0a)}.c4{background:linear-gradient(160deg,#6d6a62,#2b2a28)}
.c5{background:linear-gradient(160deg,#9a9ea6,#52565d)}.c6{background:linear-gradient(160deg,#2f9a4a,#134d22)}
.c7{background:linear-gradient(160deg,#3b8bd6,#164a80)}.c8{background:linear-gradient(160deg,#d7a43a,#5a3b10)}
.c9{background:linear-gradient(160deg,#a8773e,#4a3016)}.c10{background:linear-gradient(160deg,#c9338c,#4a1535)}

/* ===== ÜRETİM SÜRECİ ===== */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative}
.steps::before{content:"";position:absolute;top:22px;left:22px;right:22px;height:2px;background:var(--line)}
.steps li{position:relative;padding-right:28px}
.steps__n{position:relative;display:grid;place-items:center;width:46px;height:46px;border-radius:50%;background:var(--ink);color:#fff;font-family:var(--f-head);font-weight:700;margin-bottom:24px}
.steps li:last-child .steps__n{background:var(--red)}
.steps h3{font-family:var(--f-head);font-size:21px;margin-bottom:8px}
.steps p{font-size:15px;color:var(--mute)}

/* ===== NEDEN BİZ ===== */
.why{background:var(--ink);color:#fff}
.why .h2{max-width:20ch}
.why__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.12);border-radius:var(--r);overflow:hidden}
.why__item{background:var(--ink);padding:44px 32px;transition:background .3s}
.why__item:hover{background:#12264a}
.why__item svg{color:var(--red);margin-bottom:28px}
.why__item h3{font-family:var(--f-head);font-size:22px;margin-bottom:10px}
.why__item p{color:rgba(255,255,255,.68);font-size:15.5px}

/* ===== REFERANS ŞERİDİ ===== */
.refs{padding:90px 0 100px}
.refs .head{margin-bottom:36px}
.marquee{overflow:hidden;border-block:1px solid var(--line)}
.marquee__in{display:flex;width:max-content;animation:slide 32s linear infinite}
.marquee:hover .marquee__in{animation-play-state:paused}
.marquee span{font-family:var(--f-head);font-weight:700;font-size:30px;color:#b4bbc7;padding:36px 64px;white-space:nowrap}
@keyframes slide{to{transform:translateX(-50%)}}

/* ===== CTA ===== */
.cta {
  background: #f8fafc; 
  padding: 60px 0;
  color: #fff;
}

.cta__in {
  background: var(--ink);
  border-radius: 24px; 
  padding: 56px 48px; 
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  flex-wrap: wrap;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.18); 
}

.cta p {
  margin-top: 12px;
  color: rgba(255, 255, 255, 0.75);
  font-size: 1.05rem;
}

.cta__btns {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.cta__btns .btn--white {
  background: var(--red);
  color: #fff;
  border-color: var(--red);
  border-radius: 99px; 
  padding: 14px 28px;
  font-weight: 600;
}

.cta__btns .btn--white:hover {
  filter: brightness(0.9);
}

.cta__btns .btn--ghost {
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: #fff;
  border-radius: 99px;
  padding: 14px 28px;
}

.cta__btns .btn--ghost:hover {
  background: var(--red);
  border-color: var(--red);
  color: #fff;
}

/* ===== FOOTER ===== */
.footer{background:#08121f;color:rgba(255,255,255,.7);padding-top:88px;font-size:15.5px}
.footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:56px;padding-bottom:64px}
.footer .logo{color:#fff;margin-bottom:18px}
.footer__brand p{max-width:34ch;margin-bottom:24px}
.footer h4{font-family:var(--f-head);color:#fff;font-size:17px;margin-bottom:20px}
.footer__grid>div:not(.footer__brand) a,.footer__grid>div:not(.footer__brand) p{display:block;margin-bottom:12px}
.footer a:hover{color:#fff}
.news{display:flex;gap:8px;max-width:400px}
.news input{flex:1;min-width:0;padding:13px 18px;border-radius:999px;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.06);color:#fff;font:inherit}
.news input::placeholder{color:rgba(255,255,255,.45)}
.footer__bar{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-block:26px;border-top:1px solid rgba(255,255,255,.12);font-size:14px}
.social{display:flex;gap:24px}

/* ===== LIGHTBOX ===== */
.lb{position:fixed;inset:0;z-index:100;background:rgba(6,12,22,.88);backdrop-filter:blur(6px);display:grid;place-items:center;padding:24px}
.lb[hidden]{display:none}
.lb__box{display:grid;grid-template-columns:1.1fr 1fr;width:min(1060px,100%);max-height:90vh;background:#fff;border-radius:16px;overflow:hidden;animation:pop .35s cubic-bezier(.2,.8,.2,1)}
@keyframes pop{from{opacity:0;transform:scale(.96)}}
.lb__img{min-height:420px;background:#ccd3de center/cover no-repeat}
.lb__info{padding:48px 44px;overflow:auto;display:flex;flex-direction:column;align-items:flex-start}
.lb__info h3{font-family:var(--f-head);font-size:34px;line-height:1.1;margin-bottom:14px}
.lb__info p{color:var(--mute);margin-bottom:24px}
.lb__info dl{width:100%;margin-bottom:28px}
.lb__info dl div{display:flex;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px solid var(--line);font-size:15px}
.lb__info dt{color:var(--mute)}.lb__info dd{font-weight:600;text-align:right}
.lb__x{position:absolute;top:18px;right:24px;font-size:42px;color:#fff;line-height:1}
.lb__nav{position:absolute;top:50%;transform:translateY(-50%);width:52px;height:52px;border-radius:50%;background:rgba(255,255,255,.12);color:#fff;font-size:34px;line-height:1;display:grid;place-items:center;transition:background .25s}
.lb__nav:hover{background:rgba(255,255,255,.28)}
.lb__nav--l{left:20px}.lb__nav--r{right:20px}


/* == RENK SKALASII ==== */

/* ===== CANLI RENK SKALASI (KESİNTİSİZ CSS) ===== */
.color-showcase {
  overflow: hidden;
  padding-bottom: 60px;
}

.color-marquee {
  width: 100%;
  overflow: hidden;
  position: relative;
  padding: 100px 0 20px 0;
  display: flex;
}

/* Yan Gölgeler */
.color-marquee::before,
.color-marquee::after {
  content: "";
  position: absolute;
  top: 0;
  width: 120px;
  height: 100%;
  z-index: 3;
  pointer-events: none;
}
.color-marquee::before {
  left: 0;
  background: linear-gradient(to right, #f8fafc, transparent);
}
.color-marquee::after {
  right: 0;
  background: linear-gradient(to left, #f8fafc, transparent);
}

/* Sonsuz Kayan Ana Hat */
.color-marquee__track {
  display: flex;
  width: max-content;
  /* 30 saniye pürüzsüz ve kesintisiz akış sağlar */
  animation: marqueeContinuous 30s linear infinite; 
}

.color-group {
  display: flex;
  gap: 32px;
  padding-right: 32px;
  flex-shrink: 0;
}

/* Hover Yapılınca Akışı Durdur */
.color-marquee:hover .color-marquee__track {
  animation-play-state: paused;
}

/* Kesintisiz Matematiksel Döngü */
@keyframes marqueeContinuous {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* Renk Yuvarlağı (Chip) */
.color-chip {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
}

.color-chip__circle {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background-color: var(--color-hex);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease;
  border: 3px solid #ffffff;
}

.color-chip:hover .color-chip__circle {
  transform: scale(1.2);
  box-shadow: 0 10px 25px var(--color-hex);
}

/* ÜST TARAFA AÇILAN BILGI KUTUSU */
.color-chip__tooltip {
  position: absolute;
  bottom: calc(100% + 14px); 
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: #0f172a;
  color: #ffffff;
  padding: 8px 14px;
  border-radius: 8px;
  white-space: nowrap;
  display: flex;
  flex-direction: column;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
  z-index: 10;
  pointer-events: none;
}

.color-chip__tooltip b {
  color: #ffffff;
  font-size: 0.85rem;
  font-family: 'Instrument Sans', sans-serif;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.color-chip__tooltip small {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.75rem;
  margin-top: 2px;
}

.color-chip__tooltip::before {
  content: "";
  position: absolute;
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%);
  border-width: 6px 6px 0 6px;
  border-style: solid;
  border-color: #0f172a transparent transparent transparent;
}

.color-chip:hover .color-chip__tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width:1100px){
  .grid{grid-template-columns:repeat(3,1fr)}
  .why__grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(3,1fr);row-gap:40px}.steps::before{display:none}
  .footer__grid{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .section{padding:80px 0}
  .burger{display:block}
  .nav{position:fixed;inset:var(--h) 0 auto 0;flex-direction:column;align-items:flex-start;gap:0;background:#fff;color:var(--ink);padding:12px 24px 28px;box-shadow:0 20px 40px rgba(0,0,0,.12);transform:translateY(-130%);transition:transform .4s}
  .nav.is-open{transform:none}
  .nav a:not(.btn){width:100%;padding:16px 0;border-bottom:1px solid var(--line)}
  .nav__cta{margin-top:20px}
  .header.menu-open{background:#fff;color:var(--ink)}
  .about__grid{grid-template-columns:1fr;gap:56px}
  .stats{gap:28px;flex-wrap:wrap}
  .hero__ctrl{gap:16px;bottom:28px}.hero__arrows{display:none}
  .lb__box{grid-template-columns:1fr}.lb__img{min-height:240px}.lb__info{padding:28px}
  .lb__nav{display:none}
}
@media (max-width:560px){
  .grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .why__grid,.steps{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr}
  .slide p{font-size:17px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .slide__in>*{opacity:1;transform:none}
}