:root {
  --bg: #0b1020;
  --card: #111833;
  --muted: #94a3b8;
  --text: #e5e7eb;
  --accent: #7c3aed;
  --border: #243053;
  --radius: 16px;
  --radius-lg: 24px;
  --maxw: 1160px;
  --shadow: 0 10px 30px rgba(0, 0, 0, .35);
}

/* GENEL */
html, body {
  height: 100%;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: var(--bg);
  color: var(--text);
}

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

.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: 20px;
  box-sizing: border-box;
}

/* NAV */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(1.3) blur(8px);
  background: rgba(11, 16, 32, .6);
  border-bottom: 1px solid var(--border);
}

/* nav-inner: üç sütunlu düzen (logo | links | right-actions) */
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 16px;
}

/* marka */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: .2px;
}
.brand-logo {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), #9333ea 60%);
  box-shadow: var(--shadow);
}

/* merkezi linkler; flex:1 ile ortada yer kaplayacak */
.nav-links {
  display: flex;
  gap: 18px;
  align-items: center;
  flex: 1 1 auto;
  margin-left: 8px;
}
.nav-links a {
  color: var(--muted);
  font-weight: 500;
}
.nav-links a:hover { color: var(--text); }

/* sağ blok: giriş/kayıt/cüzdan/menu */
.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}

/* nav-actions içinde düğmeler (desktop yatay) */
.nav-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

/* cüzdan wrapper (data attribute ile göster/gizle) */
.wallet-wrap {
  display: inline-flex;
  align-items: center;
}
.wallet-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #0e1530;
  color: var(--text);
  font-weight: 600;
  cursor: pointer;
}

/* BUTON */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #0e1530;
  color: var(--text);
  font-weight: 600;
  box-shadow: inset 0 -2px 0 rgba(255,255,255,.03);
  cursor: pointer;
  box-sizing: border-box;
}
.btn.primary {
  background: linear-gradient(135deg, var(--accent), #5b21b6);
  border-color: transparent;
}

/* küçük / tiny stilleri varsa */
.btn.tiny { padding: 8px 10px; border-radius: 10px; }

/* Menü toggle (hamburger) - desktop gizli */
.menu-toggle { display: none; }

/* === MOBİL MENÜ === */

/* Desktop varsayılanları */
.nav-links { display: flex; gap: 18px; align-items: center; }
.mobile-menu { display: none; }

/* Mobil düzenler - breakpoint 1100px */
@media (max-width: 1100px) {

  /* nav-inner mobilde daha esnek, yüksekliği içeriğe göre */
  .nav-inner {
    height: auto;
    padding: 10px 0;
    align-items: center;
  }

  /* Desktop linklerini gizle, hamburgeri göster */
  .nav-links { display: none; }
  .menu-toggle { display: inline-flex; margin-left: 8px; }

  /* Sağ aksiyon grubunu mobilde daralt: önce butonlar alt alta */
  .nav-right { gap: 6px; }
  .nav-actions {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    width: 160px; /* dar bir sütun */
  }
  .nav-actions .btn { width: 100%; justify-content: center; }

  /* Mobil menü açıldığında görünür */
  .mobile-menu.open {
    display: grid;
    gap: 10px;
    padding: 12px 0 20px;
    width: 100%;
    justify-items: center;
  }
  .mobile-menu a,
  .mobile-menu button { text-align: center; }
}

/* Desktop'a dönünce mobileMenu'yi zorla gizle */
@media (min-width: 1101px) {
  #mobileMenu { display: none !important; }
}

/* HERO */
.hero { padding: 64px 0 24px; }

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 32px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(28px, 4vw, 48px);
  line-height: 1.08;
  margin: 0 0 14px;
}

.hero p.lead {
  color: var(--muted);
  font-size: clamp(14px, 1.6vw, 18px);
  margin: 0 0 22px;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 22px;
}

.stat {
  padding: 16px;
  background: #0f1631;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.stat h3 { margin: 0 0 4px; font-size: 20px; }
.stat p { margin: 0; color: var(--muted); font-size: 13px; }

.hero-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #0e1530;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.hero-visual img { width: 100%; height: 100%; object-fit: cover; display: block; opacity: .9; }

@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 560px) { .stats { grid-template-columns: 1fr; } }

/* SECTION */
.section { padding: 38px 0; }
.section-head {
  display: flex; align-items: end; justify-content: space-between; gap: 16px; margin-bottom: 16px;
}
.section-head h2 { margin: 0; font-size: clamp(22px, 2.6vw, 28px); }
.muted { color: var(--muted); }

/* GRID & CARD */
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 1024px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid { grid-template-columns: 1fr; } }

.card {
  background: #111833;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex; flex-direction: column;
}
.card-media { aspect-ratio: 16/9; background: #0a0f22; position: relative; }
.card-media img { width: 100%; height: 100%; object-fit: cover; opacity: .92; }

.badge {
  position: absolute; top: 10px; left: 10px;
  background: rgba(15, 23, 42, .75); backdrop-filter: blur(4px);
  border: 1px solid var(--border); color: #e2e8f0; padding: 6px 10px; border-radius: 999px; font-size: 12px; font-weight: 700;
}

.card-body { padding: 14px; display: grid; gap: 10px; }
.card-title { margin: 0; font-size: 18px; }

.row { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.pill { font-size: 12px; color: #cbd5e1; padding: 6px 10px; border-radius: 999px; background: #0b1229; border: 1px solid var(--border); }

.progress {
  width: 100%; height: 9px; background: #0b1229; border: 1px solid var(--border); border-radius: 999px; overflow: hidden;
}
.progress > i { height: 100%; display: block; background: linear-gradient(90deg, var(--accent), #9333ea); width: var(--value, 40%); }

/* STEPS */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.step { border: 1px solid var(--border); background: #0e1530; border-radius: var(--radius); padding: 16px; }
.step b { display: inline-flex; width: 36px; height: 36px; border-radius: 10px; align-items: center; justify-content: center; background: #0b1229; border: 1px solid var(--border); margin-bottom: 8px; }
.step h4 { margin: 6px 0 6px; }

@media (max-width: 900px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }

/* CTA */
.cta { display: grid; gap: 12px; padding: 16px; border: 1px dashed var(--border); border-radius: var(--radius); background: linear-gradient(135deg, rgba(124, 58, 237, .12), rgba(34, 197, 94, .1)); }

/* FOOTER */
footer {
  margin-top: 40px; padding: 28px 0 50px; border-top: 1px solid var(--border); color: var(--muted);
  background: radial-gradient(circle at 60px center, rgba(124,58,237,0.3), transparent 400px), var(--bg);
}
.footer-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 18px; }
.footer-links { display: grid; gap: 6px; }
.footer-links a { color: var(--muted); }
.footer-links a:hover { color: var(--text); }
@media (max-width: 800px) { .footer-grid { grid-template-columns: 1fr; } }

/* Modal temel */
.modal { position: fixed; inset: 0; display: none; z-index: 1200; }
.modal.open { display: block; }
.modal-backdrop { position:absolute; inset:0; background:rgba(0,0,0,.55); backdrop-filter: blur(2px); }
.modal-card {
  position: relative; z-index: 1;
  width: min(520px, 92vw); margin: 6vh auto; padding: 18px;
  background: var(--card); border:1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow);
}
.modal-title { margin: 0 0 6px; font-size: 22px; color: var(--text); }
.modal-close { position:absolute; right:12px; top:12px; }

.field { display:grid; gap:6px; margin:10px 0; }
.field label { font-size: 13px; color: var(--muted); }
.field input {
  background:#0b1229; color:var(--text); border:1px solid var(--border);
  border-radius:12px; padding:10px 12px; outline:none;
}
.field input:focus { border-color: var(--accent); box-shadow: 0 0 0 2px rgba(124,58,237,.25); }

.input-with-btn { display:flex; gap:8px; }
.input-with-btn .btn.tiny { padding:8px 10px; border-radius:10px; }

.check { display:flex; gap:8px; align-items:flex-start; font-size: 13px; color: var(--muted); margin:8px 0; }
.err { color:#fca5a5; min-height: 16px; font-size:12px; }
.w-full { width:100%; }

/* Modal base repeated cleaned (safety) */
.modal { position: fixed; inset: 0; display: none; z-index: 9999; }
.modal.open { display: block; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,.55); backdrop-filter: blur(2px); }

/* modal content */
.modal-content { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); width: min(440px, 92vw); background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 20px; box-shadow: var(--shadow); z-index: 1; }
.modal-close { position: absolute; top: 8px; right: 10px; background: transparent; border: none; color: var(--text); font-size: 20px; cursor: pointer; }

/* Utility & forms */
.lead-wide { white-space: normal; overflow: visible; text-overflow: clip; }
.input { display: block; width: 100%; padding: 10px 14px; border-radius: 12px; border: 1px solid var(--border); background: #0e1530; color: var(--text); box-shadow: inset 0 -2px 0 rgba(255,255,255,.03); outline: none; cursor: text; box-sizing: border-box; }
select.input { cursor: default; }
textarea.input { resize: vertical; }
.form-actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
@media (max-width: 560px) { .form-actions .btn { width: 100%; justify-content: center; } }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 12px; }
.row-fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
@media (max-width: 640px) { .row-fields { grid-template-columns: 1fr; } }
.input-with-btn { display: flex; align-items: stretch; gap: 8px; }
.input-with-btn .input { flex: 1 1 auto; min-width: 0; }
.input-with-btn .btn.tiny { padding: 10px 12px; white-space: nowrap; }
.input, .btn { box-sizing: border-box; }
.err { display: block; min-height: 16px; }

/* Listing card */
.input { background:#0e1530; border:1px solid var(--border); color:var(--text); padding:10px 12px; border-radius:12px; min-width:180px; }
.input:focus { outline:2px solid rgba(124,58,237,.4); outline-offset:1px; }
.card-meta { display:flex; gap:8px; flex-wrap:wrap; align-items:center; }
.card-meta .pill { font-size:12px; }

/* Auth state helpers (JS toggles data-auth-state on <html>) */
:root[data-auth-state="guest"] [data-auth-only] { display: none !important; }
:root[data-auth-state="user"] .open-login,
:root[data-auth-state="user"] .open-signup { display: none !important; }