/* =========================================================
   Çimen Digital — Ortak Tasarım Sistemi / Shared Design System
   Static site, no build step. Used by all pages.
   ========================================================= */

:root{
  /* Brand */
  --brand:#2563EB;
  --brand-600:#1d4ed8;
  --brand-700:#1e40af;
  --brand-soft:#eff4ff;
  --ink:#0f172a;
  --ink-2:#334155;
  --muted:#64748b;
  --line:#e6eaf1;
  --bg:#ffffff;
  --bg-soft:#f6f8fc;
  --card:#ffffff;
  /* App accents */
  --coloring:#7a3bd0;
  --coloring-2:#ff5d8f;
  --unicorn:#a855f7;
  --unicorn-2:#ec4899;
  --dino:#3fae6a;
  --dino-2:#ff8a65;
  --yum:#ef5350;
  --yum-2:#f9a825;
  /* Effects */
  --radius:18px;
  --radius-lg:26px;
  --shadow:0 6px 24px rgba(15,23,42,.07);
  --shadow-lg:0 18px 50px rgba(15,23,42,.12);
  --container:1140px;
  --font:"Poppins",-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  color:var(--ink);
  background:var(--bg);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;}

/* ---- Language visibility ---- */
body.lang-mode-en .lang-tr{display:none !important;}
body.lang-mode-tr .lang-en{display:none !important;}

/* ---- Layout ---- */
.container{max-width:var(--container);margin:0 auto;padding:0 22px;}
.section{padding:84px 0;}
.section--soft{background:var(--bg-soft);}
.section__head{text-align:center;max-width:680px;margin:0 auto 48px;}
.eyebrow{
  display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.12em;
  text-transform:uppercase;color:var(--brand);background:var(--brand-soft);
  padding:6px 14px;border-radius:999px;margin-bottom:16px;
}
h1,h2,h3{line-height:1.18;color:var(--ink);margin:0;}
h2.section__title{font-size:clamp(1.7rem,3.4vw,2.4rem);font-weight:700;letter-spacing:-.02em;}
.section__sub{color:var(--muted);font-size:1.06rem;margin-top:14px;}

/* ---- Buttons ---- */
.btn{
  display:inline-flex;align-items:center;gap:9px;justify-content:center;
  font-family:var(--font);font-weight:600;font-size:1rem;cursor:pointer;
  padding:13px 26px;border-radius:999px;border:1px solid transparent;
  transition:transform .15s ease,box-shadow .2s ease,background .2s ease;
}
.btn:hover{transform:translateY(-2px);}
.btn--primary{background:var(--brand);color:#fff;box-shadow:0 10px 24px rgba(37,99,235,.28);}
.btn--primary:hover{background:var(--brand-600);}
.btn--ghost{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--shadow);}
.btn--ghost:hover{border-color:var(--brand);color:var(--brand);}
.btn--light{background:rgba(255,255,255,.16);color:#fff;border-color:rgba(255,255,255,.35);}
.btn--light:hover{background:rgba(255,255,255,.26);}

/* ---- Navbar ---- */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);
  backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line);}
.nav__inner{display:flex;align-items:center;gap:18px;height:70px;}
.nav__logo{display:flex;align-items:center;}
.nav__logo img{height:30px;width:auto;}
.nav__links{display:flex;align-items:center;gap:26px;margin-left:auto;}
.nav__links a{color:var(--ink-2);font-weight:500;font-size:.98rem;transition:color .15s;}
.nav__links a:hover{color:var(--brand);}
.nav__right{display:flex;align-items:center;gap:14px;}

/* Language toggle */
.langbar{display:inline-flex;background:var(--bg-soft);border:1px solid var(--line);
  border-radius:999px;padding:3px;}
.langbar button{border:0;background:transparent;color:var(--muted);font-family:var(--font);
  font-weight:600;font-size:.82rem;padding:6px 13px;border-radius:999px;cursor:pointer;transition:all .15s;}
.langbar button.active{background:var(--brand);color:#fff;}

/* Mobile menu */
.nav__burger{display:none;border:0;background:transparent;cursor:pointer;padding:8px;margin-left:auto;}
.nav__burger span{display:block;width:24px;height:2px;background:var(--ink);margin:5px 0;border-radius:2px;transition:.2s;}

/* ---- Hero ---- */
.hero{position:relative;overflow:hidden;
  background:
    radial-gradient(900px 420px at 85% -120px, #dbe7ff 0%, rgba(219,231,255,0) 60%),
    radial-gradient(700px 380px at 0% 0%, #eef3ff 0%, rgba(238,243,255,0) 55%),
    var(--bg);}
.hero__inner{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;
  padding:78px 0 86px;}
.hero h1{font-size:clamp(2.1rem,4.6vw,3.4rem);font-weight:700;letter-spacing:-.03em;}
.hero h1 .grad{background:linear-gradient(90deg,var(--brand),#7c3aed);
  -webkit-background-clip:text;background-clip:text;color:transparent;}
.hero__lead{font-size:1.16rem;color:var(--ink-2);margin:22px 0 30px;max-width:540px;}
.hero__cta{display:flex;gap:14px;flex-wrap:wrap;}
.hero__stats{display:flex;gap:34px;margin-top:38px;flex-wrap:wrap;}
.hero__stat .n{font-size:1.7rem;font-weight:700;color:var(--brand);}
.hero__stat .l{font-size:.9rem;color:var(--muted);}
.hero__art{position:relative;display:flex;align-items:center;justify-content:center;}

/* Hero app cards (prominent logos) */
.hero__cards{display:grid;grid-template-columns:1fr 1fr;gap:16px;width:100%;max-width:520px;margin-left:auto;}
.hero__appcard{text-decoration:none;display:block;}
.hero__appcard .appcard__top{padding:26px 18px;text-align:center;
  display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:140px;height:100%;}
.hero__applogo{height:56px;width:auto;max-width:90%;margin:0 auto 10px;display:block;
  filter:drop-shadow(0 8px 18px rgba(0,0,0,.25));}
.hero__appcard p{margin:0;font-size:.92rem;}
.hero__unirow{display:flex;align-items:center;gap:16px;justify-content:center;position:relative;z-index:1;}
.hero__uniart{height:84px;width:auto;filter:drop-shadow(0 8px 18px rgba(0,0,0,.22));}
.hero__uniname{font-size:2rem;font-weight:700;color:#fff;letter-spacing:-.02em;line-height:1;}

/* ---- App cards (homepage) ---- */
.apps-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;}
.appcard{position:relative;border-radius:var(--radius-lg);overflow:hidden;
  background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .25s ease;display:flex;flex-direction:column;}
.appcard:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);}
.appcard__top{padding:34px 30px 26px;color:#fff;position:relative;overflow:hidden;}
.appcard__top::after{content:"";position:absolute;inset:0;
  background:radial-gradient(420px 200px at 90% -40px,rgba(255,255,255,.28),transparent 60%);}
.appcard--coloring .appcard__top{background:linear-gradient(135deg,var(--coloring),var(--coloring-2));}
.appcard--unicorn .appcard__top{background:linear-gradient(135deg,var(--unicorn),var(--unicorn-2));}
.appcard--dino .appcard__top{background:linear-gradient(135deg,var(--dino),var(--dino-2));}
.appcard--yum .appcard__top{background:linear-gradient(135deg,var(--yum),var(--yum-2));}
.appcard__logo{height:48px;width:auto;margin-bottom:16px;position:relative;z-index:1;
  filter:drop-shadow(0 4px 10px rgba(0,0,0,.18));}
.appcard__top h3{color:#fff;font-size:1.5rem;position:relative;z-index:1;}
.appcard__top p{color:rgba(255,255,255,.92);margin:8px 0 0;position:relative;z-index:1;font-size:1rem;}
.appcard__body{padding:24px 30px 30px;display:flex;flex-direction:column;gap:16px;flex:1;}
.appcard__feats{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px;}
.appcard__feats li{position:relative;padding-left:26px;color:var(--ink-2);font-size:.97rem;}
.appcard__feats li::before{content:"✓";position:absolute;left:0;top:1px;color:var(--brand);font-weight:700;}
.appcard__foot{margin-top:auto;display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.tag{display:inline-flex;align-items:center;gap:6px;font-size:.74rem;font-weight:700;
  letter-spacing:.04em;text-transform:uppercase;padding:5px 11px;border-radius:999px;}
.tag--new{background:#dcfce7;color:#15803d;}
.tag--live{background:#dbeafe;color:#1d4ed8;}
.tag--soon{background:#f1f5f9;color:#64748b;}

/* ---- Feature / service grid ---- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 26px;box-shadow:var(--shadow);transition:transform .18s,box-shadow .2s;}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.card__icon{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;
  justify-content:center;font-size:26px;background:var(--brand-soft);margin-bottom:16px;}
.card h3{font-size:1.18rem;margin-bottom:8px;}
.card p{color:var(--muted);font-size:.98rem;margin:0;}

/* ---- Steps ---- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.step{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 24px;text-align:center;box-shadow:var(--shadow);}
.step .n{width:38px;height:38px;border-radius:50%;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;margin:0 auto 14px;}
.step .e{font-size:34px;display:block;margin-bottom:10px;}
.step p{margin:0;color:var(--ink-2);}

/* ---- Pack gallery (coloringhub) ---- */
.packs{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.pack{border-radius:var(--radius);overflow:hidden;background:var(--card);
  border:1px solid var(--line);box-shadow:var(--shadow);transition:transform .18s,box-shadow .2s;}
.pack:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);}
.pack__img{aspect-ratio:3/2;overflow:hidden;background:var(--bg-soft);}
.pack__img img{width:100%;height:100%;object-fit:cover;}
.pack__body{padding:15px 16px 18px;}
.pack__cat{font-size:.72rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;
  color:var(--brand);}
.pack__title{font-size:1.02rem;font-weight:600;margin:4px 0 6px;}
.pack__desc{font-size:.86rem;color:var(--muted);margin:0;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}

/* ---- Feature list (two col) ---- */
.feats{display:grid;grid-template-columns:1fr 1fr;gap:16px 30px;list-style:none;margin:0;padding:0;}
.feats li{position:relative;padding-left:34px;color:var(--ink-2);}
.feats li::before{content:"✓";position:absolute;left:0;top:0;color:#fff;background:var(--brand);
  width:22px;height:22px;border-radius:50%;font-size:.8rem;display:flex;align-items:center;justify-content:center;}

/* ---- Screenshots strip ---- */
.shots{display:flex;gap:20px;overflow-x:auto;padding:6px 2px 18px;scroll-snap-type:x mandatory;}
.shots img{height:380px;width:auto;border-radius:20px;scroll-snap-align:center;flex:0 0 auto;
  box-shadow:var(--shadow-lg);border:1px solid var(--line);}

/* ---- Store badges ---- */
.stores{display:flex;gap:14px;flex-wrap:wrap;}
.store{display:flex;align-items:center;gap:11px;background:#0f172a;color:#fff;
  border-radius:14px;padding:11px 18px;min-width:190px;text-decoration:none;
  box-shadow:var(--shadow);transition:transform .15s,opacity .2s;}
.store:hover{transform:translateY(-2px);}
.store--soon{opacity:.55;cursor:default;}
.store .glyph{font-size:24px;line-height:1;}
.store small{display:block;font-size:.66rem;opacity:.82;}
.store strong{display:block;font-size:1rem;line-height:1.2;}
.store .pill{margin-left:auto;font-size:.58rem;background:var(--brand);padding:3px 7px;
  border-radius:999px;letter-spacing:.06em;}

/* ---- Contact ---- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.contact-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow);display:flex;align-items:center;gap:16px;}
.contact-card .ico{width:48px;height:48px;border-radius:12px;background:var(--brand-soft);
  display:flex;align-items:center;justify-content:center;font-size:22px;flex:0 0 auto;}
.contact-card .lbl{font-size:.85rem;color:var(--muted);}
.contact-card a{font-weight:600;font-size:1.05rem;}

/* ---- Footer ---- */
.footer{background:#0b1220;color:#cbd5e1;padding:56px 0 30px;}
.footer__top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:34px;}
.footer__brand img{height:30px;margin-bottom:14px;filter:brightness(0) invert(1);}
.footer__brand p{color:#94a3b8;font-size:.95rem;max-width:330px;margin:0;}
.footer h4{color:#fff;font-size:.95rem;margin:0 0 14px;letter-spacing:.02em;}
.footer ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.footer a{color:#cbd5e1;font-size:.94rem;}
.footer a:hover{color:#fff;}
.footer__bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:40px;padding-top:22px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;color:#94a3b8;font-size:.88rem;}

/* ---- Back link (sub pages) ---- */
.backlink{display:inline-flex;align-items:center;gap:7px;color:var(--muted);font-size:.92rem;font-weight:500;}
.backlink:hover{color:var(--brand);}

/* =========================================================
   Responsive
   ========================================================= */
@media(max-width:960px){
  .hero__inner{grid-template-columns:1fr;gap:32px;padding:54px 0 60px;}
  .hero__art{order:-1;}
  .hero__cards{margin:0 auto;}
  .grid-4{grid-template-columns:1fr 1fr;}
  .packs{grid-template-columns:1fr 1fr;}
  .footer__top{grid-template-columns:1fr 1fr;}
}
@media(max-width:760px){
  .section{padding:60px 0;}
  .nav__links{display:none;position:absolute;top:70px;left:0;right:0;flex-direction:column;
    background:#fff;border-bottom:1px solid var(--line);padding:14px 22px;gap:6px;box-shadow:var(--shadow);}
  .nav__links.open{display:flex;}
  .nav__links a{padding:10px 0;width:100%;}
  .nav__burger{display:block;}
  .nav__right .langbar{margin-left:0;}
  .apps-grid{grid-template-columns:1fr;}
  .grid-3,.grid-4,.steps,.feats,.contact-grid{grid-template-columns:1fr;}
  .footer__top{grid-template-columns:1fr;}
  .shots img{height:300px;}
}
@media(max-width:460px){
  .packs{grid-template-columns:1fr;}
}