/* =========================================================
   ZEVORI — marka sitesi
   Renkler: #00B4D8 · #90E0EF · #0077B6 · #03045E · #FF6B6B
   Font: Fredoka
   ========================================================= */

:root{
  --sky:#00B4D8;
  --turq:#90E0EF;
  --deep:#0077B6;
  --night:#03045E;
  --coral:#FF6B6B;

  --bg:#010426;
  --bg-2:#03045E;
  --text:#EAF7FD;
  --muted:rgba(234,247,253,.62);
  --line:rgba(144,224,239,.18);
  --card:rgba(255,255,255,.035);

  --wrap:1180px;
  --r:22px;
  --ease:cubic-bezier(.22,1,.36,1);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Fredoka",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-weight:400;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
.px{image-rendering:pixelated;image-rendering:crisp-edges}
a{color:inherit;text-decoration:none}
.wrap{width:min(var(--wrap),100% - 40px);margin-inline:auto}

/* ---------- scroll progress ---------- */
.scroll-progress{position:fixed;inset:0 0 auto 0;height:3px;z-index:120;background:rgba(255,255,255,.05)}
.scroll-progress span{
  display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--deep),var(--sky),var(--turq),var(--coral));
  box-shadow:0 0 14px rgba(0,180,216,.7);
}

/* ---------- nav ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:110;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:14px clamp(16px,4vw,38px);
  transition:background .4s var(--ease),backdrop-filter .4s,border-color .4s;
  border-bottom:1px solid transparent;
}
.nav.is-stuck{
  background:rgba(1,4,38,.78);
  backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.nav__brand{display:flex;align-items:center;gap:10px;font-weight:600;letter-spacing:.14em;font-size:15px}
.nav__brand img{width:34px;height:34px}
.nav__links{display:flex;gap:26px;font-size:15px;color:var(--muted)}
.nav__links a{position:relative;transition:color .25s}
.nav__links a::after{
  content:"";position:absolute;left:0;right:100%;bottom:-5px;height:2px;
  background:var(--sky);transition:right .35s var(--ease);border-radius:2px;
}
.nav__links a:hover{color:var(--text)}
.nav__links a:hover::after{right:0}
@media(max-width:860px){.nav__links{display:none}}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 26px;border-radius:999px;
  background:linear-gradient(135deg,var(--sky),var(--deep));
  color:#fff;font-weight:600;font-size:16px;letter-spacing:.01em;
  border:0;cursor:pointer;
  box-shadow:0 10px 30px -10px rgba(0,180,216,.75);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),filter .3s;
}
.btn:hover{transform:translateY(-3px);box-shadow:0 18px 40px -12px rgba(0,180,216,.9);filter:brightness(1.06)}
.btn--sm{padding:9px 18px;font-size:14px}
.btn--ghost{background:transparent;border:1.5px solid var(--line);color:var(--text);box-shadow:none}
.btn--ghost:hover{border-color:var(--turq);background:rgba(144,224,239,.08);box-shadow:none}
.btn--coral{background:linear-gradient(135deg,#FF8B8B,var(--coral));box-shadow:0 10px 30px -10px rgba(255,107,107,.8)}
.btn--coral:hover{box-shadow:0 18px 40px -12px rgba(255,107,107,.9)}

/* ---------- reveal animations ---------- */
[data-anim]{opacity:0;transform:translateY(38px);transition:opacity .9s var(--ease) var(--d,0s),transform .9s var(--ease) var(--d,0s)}
[data-anim].in{opacity:1;transform:none}

/* =========================================================
   HERO
   ========================================================= */
.hero{
  position:relative;min-height:100svh;
  display:grid;place-items:center;
  padding:120px 20px 80px;
  overflow:hidden;
  background:
    radial-gradient(120% 80% at 50% -10%,rgba(0,180,216,.28),transparent 60%),
    radial-gradient(80% 60% at 80% 110%,rgba(0,119,182,.35),transparent 65%),
    var(--bg);
}
.hero__bg{position:absolute;inset:0;pointer-events:none}
.blob{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5}
.blob--1{width:46vw;height:46vw;left:-10vw;top:5vh;background:radial-gradient(circle,var(--deep),transparent 70%)}
.blob--2{width:38vw;height:38vw;right:-8vw;bottom:-6vh;background:radial-gradient(circle,var(--sky),transparent 70%)}
.bubbles span{
  position:absolute;bottom:-40px;left:var(--x);
  width:var(--s);height:var(--s);border-radius:50%;
  border:1px solid rgba(144,224,239,.55);
  background:rgba(144,224,239,.08);
  animation:rise var(--dur) linear var(--t) infinite;
}
@keyframes rise{
  0%{transform:translateY(0) translateX(0);opacity:0}
  10%{opacity:.9}
  50%{transform:translateY(-52vh) translateX(14px)}
  100%{transform:translateY(-105vh) translateX(-10px);opacity:0}
}

.hero__inner{position:relative;text-align:center;max-width:1000px}
.hero__kicker{
  margin:0 0 10px;font-size:clamp(11px,1.4vw,14px);
  letter-spacing:.42em;text-transform:uppercase;color:var(--turq);
}
.hero__title{
  margin:0;font-weight:700;line-height:.86;
  font-size:clamp(4.2rem,17vw,15rem);
  letter-spacing:-.02em;
  background:linear-gradient(180deg,#fff 20%,var(--turq) 70%,var(--sky));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 14px 50px rgba(0,180,216,.45));
}
.hero__title span{display:inline-block;opacity:0;transform:translateY(.5em) rotate(6deg);animation:letterIn .9s var(--ease) forwards var(--d)}
@keyframes letterIn{to{opacity:1;transform:none}}
.hero__tag{
  margin:6px 0 0;font-size:clamp(14px,2vw,20px);
  letter-spacing:.3em;text-transform:uppercase;color:var(--muted);
}
.hero__tag i,.h2 i{font-style:normal;color:var(--coral)}

.hero__mascot{position:relative;margin:22px auto 6px;width:clamp(180px,26vw,300px)}
.hero__mascot img{width:100%;height:auto;animation:bob 4.5s ease-in-out infinite}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
.hero__shadow{
  width:56%;height:16px;margin:-6px auto 0;border-radius:50%;
  background:radial-gradient(ellipse,rgba(0,180,216,.55),transparent 70%);
  filter:blur(5px);animation:shadowPulse 4.5s ease-in-out infinite;
}
@keyframes shadowPulse{0%,100%{transform:scaleX(1);opacity:.75}50%{transform:scaleX(.86);opacity:.5}}

.hero__slogan{margin:8px 0 26px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.hero__slogan b{
  font-size:clamp(15px,2.4vw,24px);font-weight:600;letter-spacing:.08em;
  padding:6px 16px;border-radius:999px;border:1px solid var(--line);
  background:rgba(144,224,239,.06);
}
.hero__slogan b:nth-child(2){color:var(--turq)}
.hero__slogan b:nth-child(3){color:var(--coral);border-color:rgba(255,107,107,.35);background:rgba(255,107,107,.07)}
.hero__cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

.hero__scroll{
  position:absolute;bottom:26px;left:50%;transform:translateX(-50%);
  font-size:12px;letter-spacing:.3em;text-transform:uppercase;color:var(--muted);
  display:flex;align-items:center;gap:10px;
}
.hero__scroll span{
  width:22px;height:36px;border:1.5px solid var(--line);border-radius:14px;position:relative;
}
.hero__scroll span::after{
  content:"";position:absolute;left:50%;top:7px;width:4px;height:8px;border-radius:2px;
  background:var(--turq);transform:translateX(-50%);animation:wheel 1.8s ease-in-out infinite;
}
@keyframes wheel{0%{opacity:0;transform:translate(-50%,0)}30%{opacity:1}100%{opacity:0;transform:translate(-50%,13px)}}

/* =========================================================
   MARQUEE
   ========================================================= */
.marquee{
  overflow:hidden;padding:18px 0;
  border-block:1px solid var(--line);
  background:linear-gradient(90deg,rgba(0,119,182,.25),rgba(0,180,216,.12),rgba(255,107,107,.12));
}
.marquee__track{display:flex;width:max-content;animation:slide 26s linear infinite}
.marquee__track span{
  font-size:clamp(20px,3.4vw,38px);font-weight:600;letter-spacing:.14em;
  white-space:nowrap;padding-right:24px;color:rgba(234,247,253,.9);
}
.marquee__track i{font-style:normal;opacity:.85}
@keyframes slide{to{transform:translateX(-50%)}}
.marquee:hover .marquee__track{animation-play-state:paused}

/* =========================================================
   GENEL BÖLÜM
   ========================================================= */
.section{padding:clamp(90px,14vh,160px) 0;position:relative}
.section--light{
  background:linear-gradient(180deg,#F4FCFF,#E4F7FD);
  color:var(--night);
}
.eyebrow{
  font-size:12px;letter-spacing:.36em;text-transform:uppercase;
  color:var(--turq);margin:0 0 16px;
}
.eyebrow--dark{color:var(--deep)}
.h2{
  font-size:clamp(2rem,5.2vw,3.6rem);font-weight:600;line-height:1.12;
  margin:0 0 46px;letter-spacing:-.01em;max-width:16ch;
}
.h2--dark{color:var(--night);max-width:20ch}
.grad{background:linear-gradient(90deg,var(--sky),var(--turq));-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{color:rgba(3,4,94,.6);margin:-30px 0 0;font-size:17px}

/* ---------- 01 stüdyo ---------- */
.bigtext{
  font-size:clamp(1.5rem,4.2vw,3.05rem);
  line-height:1.28;font-weight:400;margin:0 0 60px;max-width:20ch;
}
.bigtext span{transition:color .5s var(--ease),opacity .5s var(--ease);color:rgba(234,247,253,.16)}
.bigtext span.lit{color:var(--text)}
.studio__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:20px}
.mini{
  padding:26px 24px;border-radius:var(--r);
  border:1px solid var(--line);background:var(--card);
  transition:transform .4s var(--ease),border-color .4s,background .4s;
}
.mini:hover{transform:translateY(-6px);border-color:rgba(144,224,239,.45);background:rgba(144,224,239,.06)}
.mini h3{margin:0 0 6px;font-size:19px;font-weight:600;color:var(--turq)}
.mini p{margin:0;color:var(--muted);font-size:15.5px}

/* ---------- 02 sticky felsefe ---------- */
.steps{height:340vh;position:relative}
.steps__inner{position:sticky;top:0;height:100svh;display:grid;place-items:center;overflow:hidden}
.steps__inner::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(70% 60% at 20% 50%,rgba(0,119,182,.3),transparent 70%);
  pointer-events:none;
}
.steps__wrap{
  position:relative;display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;width:min(var(--wrap),100% - 40px);
}
.steps__title{display:flex;flex-direction:column;gap:2px;margin:0 0 28px;font-weight:700;line-height:1}
.step-word{
  font-size:clamp(2.4rem,6.4vw,5.2rem);letter-spacing:-.02em;
  color:rgba(234,247,253,.14);transition:color .5s var(--ease),transform .5s var(--ease);
  transform-origin:left center;
}
.step-word.on{color:var(--turq);transform:translateX(10px)}
.step-word[data-step="2"].on{color:var(--coral)}
.steps__bar{height:4px;border-radius:4px;background:rgba(255,255,255,.08);overflow:hidden;max-width:340px}
.steps__bar span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--sky),var(--coral));border-radius:4px}

.steps__right{position:relative;min-height:290px}
.step{
  position:absolute;inset:0;
  padding:34px 32px;border-radius:26px;
  border:1px solid var(--line);background:rgba(2,6,60,.6);
  backdrop-filter:blur(8px);
  opacity:0;transform:translateY(34px) scale(.97);
  transition:opacity .55s var(--ease),transform .55s var(--ease);
  pointer-events:none;
}
.step.on{opacity:1;transform:none;pointer-events:auto}
.step__num{
  display:inline-block;font-size:13px;letter-spacing:.28em;color:var(--sky);
  border:1px solid var(--line);border-radius:999px;padding:4px 12px;margin-bottom:14px;
}
.step h3{margin:0 0 10px;font-size:clamp(1.5rem,3vw,2.1rem);font-weight:600}
.step p{margin:0;color:var(--muted);font-size:17px}
@media(max-width:860px){
  .steps{height:300vh}
  .steps__wrap{grid-template-columns:1fr;gap:28px}
  .steps__right{min-height:330px}
}

/* ---------- 03 üretim ---------- */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:22px}
.card{
  position:relative;padding:32px 28px 26px;border-radius:var(--r);
  border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  overflow:hidden;transform-style:preserve-3d;
  transition:border-color .4s,box-shadow .4s;
}
.card::before{
  content:"";position:absolute;inset:0;opacity:0;transition:opacity .45s;
  background:radial-gradient(60% 60% at 50% 0%,rgba(0,180,216,.22),transparent 70%);
}
.card:hover{border-color:rgba(144,224,239,.45);box-shadow:0 30px 60px -30px rgba(0,180,216,.6)}
.card:hover::before{opacity:1}
.card__ico{
  width:56px;height:56px;border-radius:16px;display:grid;place-items:center;margin-bottom:18px;
  background:linear-gradient(135deg,rgba(0,180,216,.25),rgba(0,119,182,.15));
  border:1px solid var(--line);color:var(--turq);
}
.card__ico svg{width:28px;height:28px}
.card h3{margin:0 0 8px;font-size:22px;font-weight:600;position:relative}
.card p{margin:0 0 18px;color:var(--muted);font-size:15.5px;position:relative}
.card__tag{
  font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--sky);
  border:1px solid var(--line);border-radius:999px;padding:4px 12px;position:relative;
}

.brandtree{margin-top:70px;text-align:center}
.brandtree__root{
  display:inline-flex;flex-direction:column;align-items:center;gap:2px;
  padding:16px 34px;border-radius:18px;font-size:26px;font-weight:600;letter-spacing:.16em;
  border:1px solid rgba(144,224,239,.4);background:rgba(0,180,216,.1);
}
.brandtree__root small{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);font-weight:400}
.brandtree__line{width:1px;height:44px;margin:0 auto;background:linear-gradient(var(--sky),transparent)}
.brandtree__kids{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.brandtree__kids span{
  padding:10px 20px;border-radius:12px;font-size:15px;color:var(--muted);
  border:1px dashed rgba(144,224,239,.28);background:rgba(255,255,255,.02);
  transition:transform .35s var(--ease),color .35s,border-color .35s;
}
.brandtree__kids span:hover{transform:translateY(-4px);color:var(--text);border-color:var(--coral)}
.brandtree__note{max-width:56ch;margin:24px auto 0;color:var(--muted);font-size:15.5px}

/* ---------- 04 kimlik (açık tema) ---------- */
.identity .h2{margin-bottom:14px}
.palette{position:relative;margin:60px 0 70px}
.palette__inner{position:sticky;top:0;height:100svh;display:flex;align-items:center;overflow:hidden}
.palette__track{display:flex;gap:22px;padding-inline:clamp(20px,6vw,90px);will-change:transform}
.swatch{
  flex:0 0 auto;width:min(300px,72vw);
  display:flex;flex-direction:column;align-items:flex-start;gap:4px;text-align:left;
  padding:20px;border-radius:26px;cursor:pointer;
  background:#fff;border:1px solid rgba(3,4,94,.08);
  box-shadow:0 26px 50px -34px rgba(3,4,94,.55);
  font-family:inherit;color:var(--night);
  transition:transform .4s var(--ease),box-shadow .4s var(--ease);
}
.swatch:hover{transform:translateY(-8px);box-shadow:0 34px 60px -30px rgba(3,4,94,.55)}
.swatch__chip{
  width:100%;height:170px;border-radius:18px;background:var(--c);margin-bottom:14px;
  box-shadow:inset 0 0 0 1px rgba(0,0,0,.06);
}
.swatch b{font-size:21px;font-weight:600}
.swatch__use{font-size:13px;letter-spacing:.16em;text-transform:uppercase;color:rgba(3,4,94,.5)}
.swatch code{
  margin-top:8px;font-family:"Fredoka",monospace;font-size:15px;letter-spacing:.1em;
  padding:6px 12px;border-radius:10px;background:rgba(3,4,94,.06);
}
.swatch--note{
  background:transparent;box-shadow:none;border:1px dashed rgba(3,4,94,.2);
  justify-content:center;cursor:default;
}
.swatch--note:hover{transform:none}
.swatch--note p{margin:0;font-size:16.5px;color:rgba(3,4,94,.72)}

.identity__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:22px}
.panel{
  padding:28px;border-radius:26px;background:#fff;
  border:1px solid rgba(3,4,94,.07);box-shadow:0 26px 50px -38px rgba(3,4,94,.5);
  transition:transform .4s var(--ease),box-shadow .4s var(--ease);
}
.panel:hover{transform:translateY(-6px);box-shadow:0 34px 60px -34px rgba(3,4,94,.5)}
.panel__label{
  font-size:11px;letter-spacing:.3em;text-transform:uppercase;color:var(--deep);
}
.panel h3{margin:16px 0 6px;font-size:20px;font-weight:600;color:var(--night)}
.panel p{margin:0;font-size:15.5px;color:rgba(3,4,94,.66)}
.panel__art{
  margin-top:14px;height:170px;display:grid;place-items:center;border-radius:18px;
  background:linear-gradient(160deg,#E9F8FE,#D3EEF9);
}
.panel__art img{height:130px;width:auto}
.panel__art--logo img{height:84px;width:84px}
.typo{
  margin-top:10px;font-size:96px;line-height:1;font-weight:600;
  background:linear-gradient(135deg,var(--sky),var(--deep));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.typo__weights{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.typo__weights span{
  font-size:13px;padding:5px 11px;border-radius:999px;
  background:rgba(0,180,216,.1);color:var(--deep);
}
.panel--slogan{background:linear-gradient(140deg,var(--night),#0A1178);color:#fff}
.panel--slogan .panel__label{color:var(--turq)}
.panel--slogan p{color:rgba(255,255,255,.7)}
.slogan3{display:flex;flex-direction:column;margin:14px 0 16px}
.slogan3 em{
  font-style:normal;font-weight:700;font-size:clamp(1.6rem,3.4vw,2.3rem);line-height:1.05;letter-spacing:-.01em;
}
.slogan3 em:nth-child(1){color:#fff}
.slogan3 em:nth-child(2){color:var(--turq)}
.slogan3 em:nth-child(3){color:var(--coral)}

/* ---------- 05 maskot ---------- */
.mascot{background:radial-gradient(80% 60% at 50% 0%,rgba(0,119,182,.28),transparent 65%)}
.gifs{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:22px}
.gif{
  margin:0;padding:24px;border-radius:26px;text-align:center;
  border:1px solid var(--line);background:linear-gradient(170deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  transition:border-color .4s,box-shadow .4s;
}
.gif:hover{border-color:rgba(144,224,239,.45);box-shadow:0 30px 60px -32px rgba(0,180,216,.55)}
.gif img{
  height:190px;width:auto;margin:0 auto 16px;
  filter:drop-shadow(0 18px 24px rgba(0,0,0,.45));
}
.gif figcaption b{display:block;font-size:18px;font-weight:600}
.gif figcaption span{font-size:13px;color:var(--muted);letter-spacing:.06em}

/* ---------- CTA ---------- */
.cta{position:relative;padding:clamp(90px,14vh,150px) 0;overflow:hidden;text-align:center}
.cta__glow{
  position:absolute;inset:0;
  background:
    radial-gradient(60% 70% at 50% 100%,rgba(255,107,107,.22),transparent 65%),
    radial-gradient(70% 70% at 50% 0%,rgba(0,180,216,.25),transparent 65%);
}
.cta__inner{position:relative}
.cta__otter{width:120px;margin:0 auto 18px;animation:bob 4s ease-in-out infinite}
.cta h2{font-size:clamp(2.2rem,6vw,4rem);font-weight:600;margin:0 0 12px;letter-spacing:-.01em}
.cta p{margin:0 auto 28px;color:var(--muted);font-size:18px;max-width:44ch}
.cta__btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ---------- footer ---------- */
.foot{border-top:1px solid var(--line);padding:32px 0;background:rgba(3,4,94,.35)}
.foot__inner{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap}
.foot__brand{display:flex;align-items:center;gap:12px}
.foot__brand b{display:block;font-size:16px;letter-spacing:.16em}
.foot__brand small{font-size:12px;color:var(--muted);letter-spacing:.08em}
.foot__slogan{margin:0;font-size:14px;letter-spacing:.24em;color:var(--turq)}
.foot__copy{color:var(--muted);font-size:13px}

/* ---------- toast ---------- */
.toast{
  position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);
  padding:12px 22px;border-radius:999px;z-index:200;
  background:rgba(3,4,94,.92);border:1px solid var(--line);color:#fff;
  font-size:15px;opacity:0;pointer-events:none;
  transition:opacity .3s,transform .3s var(--ease);
}
.toast.on{opacity:1;transform:translate(-50%,0)}

/* ---------- erişilebilirlik ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  [data-anim]{opacity:1!important;transform:none!important}
  .hero__title span{opacity:1;transform:none}
  .bigtext span{color:var(--text)}
  .step{position:relative;inset:auto;opacity:1;transform:none;margin-bottom:14px;pointer-events:auto}
  .steps{height:auto}
  .steps__inner{position:relative;height:auto;padding:80px 0}
  .steps__right{min-height:0}
  .step-word{color:var(--turq)}
  .palette__inner{position:relative;height:auto;overflow-x:auto}
  .palette__track{transform:none!important}
}