/* ============================================================
   OrbitHan: Event Horizon — indirme sitesi
   Tactical / amber tema (oyunun HUD paletiyle uyumlu)
   ============================================================ */

:root {
  --bg:        #0a0d12;
  --bg-2:      #0e1219;
  --panel:     #111722;
  --panel-2:   #151c29;
  --line:      #1e2836;
  --amber:     #ffb020;
  --amber-hot: #ff7a1a;
  --red:       #ff3b3b;
  --cyan:      #37d3ff;   /* yalnızca veri vurgusu */
  --text:      #e8eef6;
  --muted:     #8a97a8;
  --font-head: 'Chakra Petch', system-ui, sans-serif;
  --font-body: 'Space Grotesk', system-ui, sans-serif;
  --font-mono: 'Share Tech Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

a { color: inherit; text-decoration: none; }

/* ---------- Arkaplan efektleri ---------- */
.starfield {
  position: fixed; inset: 0; z-index: -2;
  background:
    radial-gradient(1200px 600px at 50% -10%, rgba(255,122,26,.10), transparent 60%),
    radial-gradient(900px 500px at 80% 20%, rgba(55,211,255,.06), transparent 60%),
    var(--bg);
}
.starfield::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    radial-gradient(1px 1px at 20% 30%, #fff, transparent),
    radial-gradient(1px 1px at 70% 60%, #cfd8e6, transparent),
    radial-gradient(1px 1px at 40% 80%, #fff, transparent),
    radial-gradient(1px 1px at 90% 40%, #b9c4d6, transparent),
    radial-gradient(1px 1px at 15% 70%, #fff, transparent),
    radial-gradient(1.5px 1.5px at 55% 15%, #fff, transparent);
  background-size: 100% 100%;
  opacity: .5;
}
.scanlines {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background: repeating-linear-gradient(
    to bottom, rgba(255,255,255,.015) 0 1px, transparent 1px 3px);
  mix-blend-mode: overlay;
}

/* ---------- Üst bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px clamp(16px, 5vw, 48px);
  background: rgba(10,13,18,.72);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-head); font-weight: 700; letter-spacing: 2px;
  font-size: 18px;
}
.brand-icon { width: 30px; height: 30px; border-radius: 7px; }
.topnav { display: flex; gap: clamp(12px, 3vw, 30px); align-items: center; }
.topnav a {
  font-family: var(--font-mono); font-size: 14px; color: var(--muted);
  letter-spacing: 1px; transition: color .2s;
}
.topnav a:hover { color: var(--amber); }
.nav-cta {
  color: var(--bg) !important; background: var(--amber);
  padding: 7px 16px; border-radius: 6px; font-weight: 700;
}
.nav-cta:hover { background: var(--amber-hot); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  text-align: center;
  padding: clamp(48px, 9vw, 110px) clamp(16px, 5vw, 48px) 70px;
  max-width: 900px; margin: 0 auto;
}
.hero-glow {
  position: absolute; top: -40px; left: 50%; transform: translateX(-50%);
  width: 560px; height: 560px; max-width: 90vw; z-index: -1;
  background: radial-gradient(circle, rgba(255,59,59,.20), rgba(255,122,26,.08) 40%, transparent 68%);
  filter: blur(10px);
  animation: pulse 6s ease-in-out infinite;
}
@keyframes pulse { 0%,100%{opacity:.7;transform:translateX(-50%) scale(1);} 50%{opacity:1;transform:translateX(-50%) scale(1.06);} }

.hero-logo {
  width: min(420px, 82vw); height: auto;
  filter: drop-shadow(0 8px 40px rgba(255,59,59,.35));
}
.tagline {
  font-family: var(--font-head); font-weight: 700;
  font-size: clamp(22px, 4.5vw, 40px);
  margin-top: 18px; letter-spacing: 1px;
  background: linear-gradient(90deg, #fff, var(--amber));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.subtitle {
  color: var(--muted); font-size: clamp(15px, 2vw, 18px);
  max-width: 620px; margin: 16px auto 0;
}

/* ---------- İndirme butonları ---------- */
.downloads {
  display: flex; flex-wrap: wrap; gap: 16px; justify-content: center;
  margin-top: 38px;
}
.dl-btn {
  display: flex; align-items: center; gap: 14px;
  padding: 16px 26px; min-width: 260px;
  border-radius: 12px; border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  text-align: left; transition: transform .15s, border-color .2s, box-shadow .2s;
}
.dl-btn:hover { transform: translateY(-3px); }
.dl-ico { font-size: 30px; line-height: 1; }
.dl-text strong { display: block; font-family: var(--font-head); font-size: 17px; letter-spacing: .5px; }
.dl-text small { color: var(--muted); font-family: var(--font-mono); font-size: 12px; }
.dl-pc { border-color: rgba(55,211,255,.35); }
.dl-pc:hover { border-color: var(--cyan); box-shadow: 0 10px 30px rgba(55,211,255,.18); }
.dl-android { border-color: rgba(255,176,32,.4); }
.dl-android:hover { border-color: var(--amber); box-shadow: 0 10px 30px rgba(255,176,32,.18); }

.dl-note { margin-top: 20px; color: var(--muted); font-family: var(--font-mono); font-size: 13px; }
.dl-note a { color: var(--amber); }
.dl-note .ver { color: var(--cyan); }

.play-badge img { height: 56px; margin-top: 18px; }

/* ---------- Bölüm başlığı ---------- */
.section-title {
  font-family: var(--font-head); font-weight: 700;
  font-size: clamp(22px, 3.5vw, 32px);
  text-align: center; margin-bottom: 40px; letter-spacing: 1px;
  position: relative;
}
.section-title::after {
  content: ""; display: block; width: 64px; height: 3px; margin: 14px auto 0;
  background: linear-gradient(90deg, transparent, var(--amber), transparent);
}

section { padding: clamp(56px, 8vw, 96px) clamp(16px, 5vw, 48px); max-width: 1140px; margin: 0 auto; }

/* ---------- Özellikler ---------- */
.feature-grid {
  display: grid; gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}
.feature-card {
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line); border-radius: 14px;
  padding: 26px 22px; transition: transform .18s, border-color .2s;
}
.feature-card:hover { transform: translateY(-4px); border-color: rgba(255,176,32,.45); }
.feature-card .fi { font-size: 34px; margin-bottom: 12px; }
.feature-card h3 { font-family: var(--font-head); font-size: 18px; margin-bottom: 8px; }
.feature-card p { color: var(--muted); font-size: 14.5px; }

/* ---------- Görseller ---------- */
.shot-grid {
  display: grid; gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
.shot { margin: 0; border-radius: 12px; overflow: hidden; border: 1px solid var(--line); }
.shot img { width: 100%; height: 100%; object-fit: cover; display: block; }
.shot-ph {
  aspect-ratio: 16 / 9; display: grid; place-items: center;
  color: var(--muted); font-family: var(--font-mono); font-size: 13px;
  background:
    repeating-linear-gradient(45deg, rgba(255,255,255,.02) 0 10px, transparent 10px 20px),
    var(--panel);
}

/* ---------- Sistem gereksinimleri ---------- */
.req-grid {
  display: grid; gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
.req-col {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 14px; padding: 26px 24px;
}
.req-col h3 { font-family: var(--font-head); font-size: 19px; margin-bottom: 16px; }
.req-col ul { list-style: none; }
.req-col li {
  display: flex; justify-content: space-between; gap: 12px;
  padding: 9px 0; border-bottom: 1px dashed var(--line);
  font-size: 14.5px; color: var(--text);
}
.req-col li:last-child { border-bottom: 0; }
.req-col li span { color: var(--muted); font-family: var(--font-mono); font-size: 13px; }

.apk-help {
  max-width: 640px; margin: 28px auto 0;
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px;
  padding: 4px 22px;
}
.apk-help summary {
  cursor: pointer; padding: 16px 0; font-family: var(--font-head);
  color: var(--amber); list-style: none;
}
.apk-help summary::-webkit-details-marker { display: none; }
.apk-help summary::before { content: "▸ "; }
.apk-help[open] summary::before { content: "▾ "; }
.apk-help ol { padding: 0 0 18px 20px; color: var(--muted); font-size: 14.5px; }
.apk-help li { padding: 4px 0; }

/* ---------- Footer ---------- */
.footer {
  text-align: center; padding: 56px 20px 48px;
  border-top: 1px solid var(--line); background: var(--bg-2);
}
.foot-icon { width: 44px; height: 44px; border-radius: 9px; margin-bottom: 12px; }
.foot-name { font-family: var(--font-head); letter-spacing: 1px; font-size: 16px; }
.foot-links { display: flex; gap: 22px; justify-content: center; flex-wrap: wrap; margin: 16px 0; }
.foot-links a { color: var(--muted); font-family: var(--font-mono); font-size: 13px; transition: color .2s; }
.foot-links a:hover { color: var(--amber); }
.copyright { color: #5a6472; font-size: 12.5px; font-family: var(--font-mono); }

/* ---------- Duyarlı ---------- */
@media (max-width: 560px) {
  .topnav a:not(.nav-cta) { display: none; }
  .dl-btn { min-width: 100%; }
}