/* The Stranger Labs - Ana stiller */
:root {
  --bg-dark: #0d0f14;
  --bg-card: #151922;
  --bg-elevated: #1c2029;
  --border: #2a3142;
  --text: #e4e8f0;
  --text-muted: #8b92a8;
  --accent: #00d4aa;
  --accent-dim: #00a884;
  --accent-glow: rgba(0, 212, 170, 0.25);
  --danger: #ff6b6b;
  --font-sans: 'DM Sans', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --radius: 10px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg-dark);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

/* Arka plan deseni */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: 
    radial-gradient(ellipse 80% 50% at 50% -20%, var(--accent-glow), transparent),
    linear-gradient(180deg, var(--bg-dark) 0%, #0a0c10 100%);
  pointer-events: none;
  z-index: 0;
}

/* Tipografi */
h1, h2, h3, h4 {
  font-family: var(--font-mono);
  font-weight: 600;
  line-height: 1.2;
}

h1 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h2 { font-size: 1.5rem; margin-top: 2rem; margin-bottom: 0.75rem; }
h3 { font-size: 1.2rem; margin-top: 1.5rem; }

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--accent-dim);
}

/* Header & Nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13, 15, 20, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
}

.logo span {
  color: var(--accent);
}

.nav-desktop {
  display: flex;
  gap: 0.5rem;
}

.nav-desktop a {
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius);
  color: var(--text-muted);
  font-size: 0.95rem;
}

.nav-desktop a:hover,
.nav-desktop a[aria-current="page"] {
  color: var(--accent);
  background: var(--accent-glow);
}

.lang-switcher {
  font-weight: 600;
  font-size: 0.85rem;
  margin-left: 0.25rem;
  padding: 0.35rem 0.5rem !important;
  background: var(--border);
  color: var(--text);
}
.lang-switcher:hover {
  background: var(--accent-glow);
  color: var(--accent);
}

/* Mobil menü */
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.5rem;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 1.25rem;
}

.nav-mobile {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 1rem;
  flex-direction: column;
  gap: 0.25rem;
}

.nav-mobile.open {
  display: flex;
}

.nav-mobile a {
  padding: 0.75rem;
  border-radius: var(--radius);
  color: var(--text-muted);
}

.nav-mobile a:hover,
.nav-mobile a[aria-current="page"] {
  color: var(--accent);
  background: var(--accent-glow);
}

@media (max-width: 768px) {
  .nav-desktop { display: none; }
  .nav-toggle { display: block; }
  .nav-wrapper { position: relative; }
}

@media (min-width: 769px) {
  .nav-mobile { display: none !important; }
}

/* Ana içerik */
.main-content {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

/* Hero */
.hero {
  text-align: center;
  padding: 3rem 0 4rem;
}

.hero h1 {
  margin-bottom: 0.75rem;
}

.hero p {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 2rem;
}

/* Kartlar */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow);
}

.card h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

.card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin: 0;
}

/* Uygulama kartları */
.app-card {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.app-icon {
  width: 56px;
  height: 56px;
  background: var(--bg-elevated);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
  overflow: hidden;
}

.app-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* Butonlar */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.25rem;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg-dark);
}

.btn-primary:hover {
  background: var(--accent-dim);
}

.btn-secondary {
  background: var(--bg-elevated);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* Formlar */
.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: inherit;
  font-size: 1rem;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

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

/* Doküman sayfaları (EULA, Privacy) */
.doc-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  margin-top: 2rem;
}

.doc-content p,
.doc-content li {
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.doc-content ul {
  padding-left: 1.5rem;
}

.doc-content .updated {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.doc-content code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--bg-elevated);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  border: 1px solid var(--border);
}

/* İzin listesi (Başlarken eğitimi) */
.permission-list {
  list-style: none;
  padding-left: 0;
}
.permission-list > li {
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}
.permission-list > li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
.permission-fig {
  margin: 1rem 0 0;
}
.permission-fig img {
  max-width: 280px;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.permission-fig figcaption {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

/* Tutorial listesi */
.tutorial-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.tutorial-list li {
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
}

.tutorial-list li:last-child {
  border-bottom: none;
}

.tutorial-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--text);
}

.tutorial-list a:hover {
  color: var(--accent);
}

.tutorial-list .meta {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Footer */
.site-footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border);
  margin-top: 4rem;
  padding: 2rem 1.5rem;
  text-align: center;
}

.site-footer p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.site-footer a {
  color: var(--text-muted);
}

.site-footer a:hover {
  color: var(--accent);
}

.footer-links {
  margin-top: 1rem;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Breadcrumb */
.breadcrumb {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.breadcrumb a {
  color: var(--text-muted);
}

.breadcrumb span {
  margin: 0 0.5rem;
}

/* Sayfa başlığı */
.page-title {
  margin-bottom: 0.5rem;
}

.page-lead {
  color: var(--text-muted);
  margin-bottom: 2rem;
}

/* Destek / iletişim formu container */
.form-section {
  max-width: 560px;
  margin-top: 2rem;
}

/* Alert / bilgi kutusu */
.alert {
  padding: 1rem 1.25rem;
  border-radius: var(--radius);
  margin-bottom: 1.5rem;
  border: 1px solid;
}

.alert-info {
  background: rgba(0, 212, 170, 0.1);
  border-color: var(--accent);
  color: var(--text);
}

.alert-warning {
  background: rgba(255, 193, 7, 0.1);
  border-color: #ffc107;
  color: var(--text);
}