/* Yakup Aka — Premium Dark Theme (EN-only)
   Clean, fast, responsive, store-ready
*/

:root{
  --bg:#0b1220;
  --bg2:#0e1a2f;
  --surface: rgba(255,255,255,.06);
  --surface2: rgba(255,255,255,.09);
  --border: rgba(255,255,255,.12);
  --text:#eaf1ff;
  --muted: rgba(234,241,255,.72);
  --muted2: rgba(234,241,255,.58);
  --accent:#19d3ff;
  --accent2:#00ffa8;
  --shadow: 0 18px 50px rgba(0,0,0,.45);
  --shadow2: 0 10px 30px rgba(0,0,0,.35);
  --radius: 18px;
  --radius2: 26px;
  --max: 1120px;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }

body{
  margin:0;
  background:
    radial-gradient(1000px 600px at 18% -10%, rgba(25,211,255,.12), transparent 60%),
    radial-gradient(900px 520px at 105% 10%, rgba(0,255,168,.08), transparent 55%),
    linear-gradient(180deg, var(--bg), #070b14 72%);
  color:var(--text);
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  line-height:1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a{ color:inherit; text-decoration:none; }
a:hover{ opacity:.96; }
img{ max-width:100%; display:block; }

.container{
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
}

.skip-link{
  position:absolute; left:-999px; top:auto; width:1px; height:1px; overflow:hidden;
}
.skip-link:focus{
  position:fixed; left:16px; top:16px; width:auto; height:auto;
  padding:10px 14px;
  background:#000;
  border:1px solid var(--border);
  border-radius:12px;
  z-index:9999;
}

/* =========================
   Header / Navigation
========================= */
.header{
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: rgba(7,11,20,.62);
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.navbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 14px 0;
  gap: 14px;
}

.brand{
  display:flex;
  align-items:center;
  gap: 10px;
  min-width: 160px;
}

.brand-mark{
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: 0 0 0 7px rgba(25,211,255,.10);
}

.brand strong{
  font-weight: 800;
  letter-spacing: .2px;
  font-size: 15px;
}

.navlinks{
  display:flex;
  align-items:center;
  gap: 10px;
}

.navlinks a{
  padding: 10px 10px;
  border-radius: 12px;
  color: var(--muted);
  font-weight: 650;
  font-size: 14px;
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}

.navlinks a:hover{
  background: rgba(255,255,255,.06);
  color: var(--text);
}

.navlinks a.active{
  background: rgba(25,211,255,.12);
  color: var(--text);
  border: 1px solid rgba(25,211,255,.20);
}

.icon-btn{
  border: 1px solid var(--border);
  background: rgba(255,255,255,.06);
  color: var(--text);
  border-radius: 14px;
  padding: 10px 12px;
  cursor:pointer;
  transition: transform .05s ease, background .2s ease, border-color .2s ease;
}

.icon-btn:hover{
  background: rgba(255,255,255,.09);
  border-color: rgba(255,255,255,.18);
}

.icon-btn:active{ transform: translateY(1px); }

.hamburger{
  display:none;
  width: 42px;
  height: 42px;
  border-radius: 14px;
}

.hamburger svg{ width:20px; height:20px; }

/* Mobile menu */
.mobile-menu{ display:none; padding: 10px 0 18px; }

.mobile-menu .panel{
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.05);
  border-radius: 18px;
  padding: 10px;
}

.mobile-menu a{
  display:block;
  padding: 12px 12px;
  border-radius: 14px;
  color: var(--muted);
  font-weight: 750;
}

.mobile-menu a:hover{
  background: rgba(255,255,255,.06);
  color: var(--text);
}

.mobile-menu a.active{
  background: rgba(25,211,255,.12);
  color: var(--text);
  border: 1px solid rgba(25,211,255,.18);
}

/* =========================
   Layout helpers
========================= */
.section{ padding: 56px 0; }
.section.compact{ padding: 38px 0; }

.kicker{
  display:inline-flex;
  gap: 10px;
  align-items:center;
  padding: 6px 12px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.05);
  border-radius: 999px;
  color: var(--muted);
  font-weight: 750;
  font-size: 13px;
}

.kicker i{
  width: 10px; height: 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: 0 0 0 6px rgba(25,211,255,.08);
}

.h1{
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.08;
  margin: 16px 0 12px;
  letter-spacing: -0.6px;
}

.lead{
  color: var(--muted);
  font-size: 16px;
  max-width: 72ch;
}

.grid{ display:grid; gap: 18px; }
.grid.two{ grid-template-columns: 1.15fr .85fr; }
.grid.three{ grid-template-columns: repeat(3, 1fr); }

@media (max-width: 960px){
  .grid.two{ grid-template-columns: 1fr; }
  .grid.three{ grid-template-columns: 1fr; }
}

/* =========================
   Hero
========================= */
.hero{ padding: 56px 0 34px; }

.hero-card{
  border: 1px solid rgba(255,255,255,.12);
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  border-radius: var(--radius2);
  box-shadow: var(--shadow);
  overflow:hidden;
}

.hero-inner{
  padding: 34px;
  display:grid;
  gap: 26px;
  grid-template-columns: 1.15fr .85fr;
  align-items:center;
}

@media (max-width: 960px){
  .hero-inner{
    grid-template-columns: 1fr;
    padding: 26px;
  }
}

/* Visual block */
.hero-visual{
  position:relative;
  border-radius: 22px;
  border: 1px solid rgba(255,255,255,.12);
  background:
    radial-gradient(260px 260px at 25% 25%, rgba(25,211,255,.16), transparent 55%),
    radial-gradient(230px 230px at 75% 75%, rgba(0,255,168,.10), transparent 55%),
    linear-gradient(135deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
  min-height: 260px;
  overflow:hidden;
}

/* Decorative layer stays behind stats */
.hero-visual:before{
  content:"";
  position:absolute;
  inset:-50px;
  background: conic-gradient(from 30deg,
    rgba(25,211,255,.16), transparent 35%,
    rgba(0,255,168,.12), transparent 70%,
    rgba(25,211,255,.10));
  opacity:.8;
  z-index:0;
  pointer-events:none;
}

.hero-visual .stats{
  position:absolute;
  inset:auto 16px 16px 16px;
  display:grid;
  gap: 10px;
  grid-template-columns: repeat(2, 1fr);
  z-index:1;
}

.stat{
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.22);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 12px 12px;
}

.stat strong{
  display:block;
  font-size: 13.5px;
  letter-spacing: -0.1px;
}

.stat span{
  display:block;
  color: var(--muted2);
  font-size: 12px;
  margin-top: 2px;
}

/* Buttons */
.btn-row{
  display:flex;
  gap: 12px;
  flex-wrap:wrap;
  margin-top: 16px;
}

.btn{
  border: 1px solid var(--border);
  background: rgba(255,255,255,.06);
  color: var(--text);
  border-radius: 14px;
  padding: 12px 14px;
  cursor:pointer;
  font-weight: 800;
  letter-spacing: .12px;
  transition: transform .05s ease, background .2s ease, border-color .2s ease;
}

.btn:hover{
  background: rgba(255,255,255,.09);
  border-color: rgba(255,255,255,.18);
}

.btn:active{ transform: translateY(1px); }

.btn.primary{
  border: 1px solid rgba(25,211,255,.30);
  background: linear-gradient(135deg, rgba(25,211,255,.18), rgba(0,255,168,.10));
  box-shadow: 0 14px 40px rgba(25,211,255,.10);
}

.btn.primary:hover{ border-color: rgba(25,211,255,.45); }

.btn.ghost{ background: rgba(255,255,255,.05); }

/* =========================
   Cards / Content blocks
========================= */
.card{
  border: 1px solid rgba(255,255,255,.11);
  background: rgba(255,255,255,.05);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow2);
}

.card h3{
  margin: 0 0 10px;
  font-size: 16px;
  letter-spacing: -0.2px;
}

.card p{
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 14px;
}

.card p:last-child{ margin-bottom:0; }

.card .tag{
  display:inline-flex;
  align-items:center;
  gap: 8px;
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.14);
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  margin-bottom: 10px;
}

.tag-dot{
  width: 8px; height: 8px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
}

.split{
  display:grid;
  gap: 18px;
  grid-template-columns: 1fr 1fr;
}

@media (max-width: 960px){
  .split{ grid-template-columns: 1fr; }
}

/* Forms */
.form{ display:grid; gap: 12px; }
.field{ display:grid; gap: 8px; }

label{
  font-size: 13px;
  color: var(--muted);
  font-weight: 850;
}

input, textarea{
  width:100%;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.18);
  color: var(--text);
  padding: 12px 12px;
  outline:none;
  font-size: 14px;
}

textarea{ min-height: 140px; resize: vertical; }

input:focus, textarea:focus{
  border-color: rgba(25,211,255,.35);
  box-shadow: 0 0 0 6px rgba(25,211,255,.08);
}

.form-note{
  color: var(--muted2);
  font-size: 12.5px;
}

.hr{
  height:1px;
  background: rgba(255,255,255,.10);
  border:0;
  margin: 18px 0;
}

/* Privacy / Long content */
.content h2{
  margin: 22px 0 10px;
  font-size: 18px;
  letter-spacing: -0.2px;
}
.content h3{
  margin: 18px 0 8px;
  font-size: 15px;
}
.content p, .content li{
  color: var(--muted);
  font-size: 14px;
}
.content ul{
  margin: 10px 0 10px 18px;
}

/* =========================
   Footer
========================= */
.footer{
  padding: 28px 0 44px;
  border-top: 1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.15);
}

.footer-inner{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap: 14px;
  flex-wrap:wrap;
}

.footer small{
  color: var(--muted2);
  display:block;
  margin-top: 6px;
}

.footer a{
  color: var(--muted);
  text-decoration: underline;
  text-decoration-color: rgba(255,255,255,.22);
}

.footer a:hover{
  color: var(--text);
  text-decoration-color: rgba(25,211,255,.35);
}

/* =========================
   Responsive Navigation
========================= */
@media (max-width: 960px){
  .navlinks{ display:none; }
  .hamburger{
    display:inline-flex;
    align-items:center;
    justify-content:center;
  }
  .mobile-menu.show{ display:block; }
}

/* =========================
   Mobile polish (CRITICAL FIX)
========================= */
@media (max-width: 520px){
  .container{ width: calc(100% - 32px); }

  .hero-inner{ padding: 22px; }
  .h1{ letter-spacing: -0.4px; }

  /* Buttons: full width = more professional on mobile */
  .btn{ width:100%; display:inline-flex; align-items:center; justify-content:center; }
  .btn-row{ gap:10px; }

  /* Fix hero stats clipping: flow layout instead of absolute */
  .hero-visual{
    min-height: unset;
    padding: 14px;
  }

  .hero-visual .stats{
    position: relative;
    inset: auto;
    grid-template-columns: 1fr;
  }
}

/* =========================
   Splash (page load + transitions)
========================= */
.splash{ display:none; }

.js .splash{
  display:flex;
  position:fixed;
  inset:0;
  z-index:9999;
  align-items:center;
  justify-content:center;
  background: rgba(7,11,20,.86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  opacity:1;
  visibility:visible;
  transition: opacity .22s ease, visibility .22s ease;
}

.js .splash.is-hidden{
  opacity:0;
  visibility:hidden;
  pointer-events:none;
}

.splash-card{
  width: min(420px, calc(100% - 48px));
  border: 1px solid rgba(255,255,255,.10);
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  border-radius: 22px;
  box-shadow: var(--shadow);
  padding: 22px 20px;
  display:grid;
  gap: 12px;
  justify-items:center;
}

.splash-mark{
  width: 56px;
  height: 56px;
  border-radius: 18px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight: 900;
  letter-spacing: .6px;
  color: rgba(11,18,32,.95);
  background: linear-gradient(135deg, rgba(25,211,255,.95), rgba(0,255,168,.80));
  box-shadow: 0 18px 50px rgba(25,211,255,.12);
}

.splash-brand{
  display:flex;
  align-items:center;
  gap: 10px;
}

.splash-brand strong{
  font-weight: 850;
  letter-spacing: .2px;
  font-size: 14px;
}

.splash-spinner{
  width: 18px;
  height: 18px;
  border-radius: 999px;
  border: 2px solid rgba(255,255,255,.18);
  border-top-color: rgba(25,211,255,.85);
  animation: splashSpin .7s linear infinite;
  margin-top: 4px;
}

.splash-text{
  font-size: 12.5px;
  color: var(--muted2);
}

@keyframes splashSpin{
  to{ transform: rotate(360deg); }
}