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

:root {
  --blue:    #007AFF;
  --blue-dk: #0055CC;
  --green:   #34C759;
  --orange:  #FF9500;
  --purple:  #AF52DE;
  --bg:      #F5F7FA;
  --card:    #FFFFFF;
  --text:    #1C1C1E;
  --muted:   #6B7280;
  --border:  #E5E7EB;
  --radius:  18px;
}

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

/* ─── NAV ─────────────────────────────────────────── */
nav {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 5%;
  height: 60px;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.logo { display: flex; align-items: center; gap: 8px; font-size: 1.3rem; font-weight: 700; color: var(--blue); letter-spacing: -0.5px; text-decoration: none; }
.logo img { width: 32px; height: 32px; border-radius: 8px; }
.nav-links { display: flex; gap: 24px; align-items: center; }
.nav-links a { text-decoration: none; color: var(--muted); font-size: 0.9rem; font-weight: 500; transition: color .2s; }
.nav-links a:hover { color: var(--blue); }
.lang-switch {
  font-size: 0.85rem; font-weight: 600; color: var(--blue);
  cursor: pointer; background: none; padding: 4px 10px;
  border: 1px solid var(--blue); border-radius: 20px;
}

/* ─── HERO ────────────────────────────────────────── */
.hero {
  display: flex; flex-direction: column; align-items: center;
  text-align: center;
  padding: 90px 5% 70px;
  background: linear-gradient(160deg, #EAF3FF 0%, #F5F7FA 60%);
}
.hero-badge {
  display: inline-block;
  background: #EAF3FF; color: var(--blue);
  font-size: 0.8rem; font-weight: 600;
  padding: 5px 14px; border-radius: 20px;
  margin-bottom: 20px;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 800; letter-spacing: -1.5px;
  line-height: 1.15;
  max-width: 680px;
}
.hero h1 span { color: var(--blue); }
.hero p {
  margin-top: 16px;
  font-size: 1.1rem; color: var(--muted);
  max-width: 520px;
}
.hero-cta { display: flex; gap: 14px; margin-top: 36px; flex-wrap: wrap; justify-content: center; }

.btn-store {
  display: flex; align-items: center; gap: 10px;
  padding: 13px 22px;
  border-radius: 14px;
  text-decoration: none;
  font-weight: 600; font-size: 0.95rem;
  transition: transform .18s, box-shadow .18s;
}
.btn-store:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,.12); }
.btn-appstore  { background: #000; color: #fff; }
.btn-playstore { background: #fff; color: #222; border: 1.5px solid var(--border); }
.btn-store svg { width: 22px; height: 22px; flex-shrink: 0; }

.hero-img {
  margin-top: 56px;
  width: 100%; max-width: 860px;
  background: linear-gradient(135deg, #007AFF22, #34C75922);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 40px 30px;
  display: flex; gap: 20px; justify-content: center; flex-wrap: wrap;
}
.mockup-card {
  background: #fff; border-radius: 16px;
  padding: 20px; width: 180px;
  box-shadow: 0 4px 20px rgba(0,0,0,.08);
  text-align: left;
}
.mockup-icon  { font-size: 2rem; margin-bottom: 8px; }
.mockup-label { font-size: 0.75rem; color: var(--muted); }
.mockup-value { font-size: 1.3rem; font-weight: 700; }
.mockup-value.green { color: var(--green); }
.mockup-value.red   { color: #FF3B30; }
.mockup-value.blue  { color: var(--blue); }

/* ─── FEATURES ────────────────────────────────────── */
section { padding: 80px 5%; }
.section-label    { font-size: 0.8rem; font-weight: 700; color: var(--blue); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 10px; }
.section-title    { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 800; letter-spacing: -0.5px; }
.section-subtitle { margin-top: 10px; color: var(--muted); max-width: 520px; }

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-top: 48px;
}
.feature-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 28px;
  border: 1px solid var(--border);
  transition: transform .2s, box-shadow .2s;
}
.feature-card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(0,0,0,.07); }
.feature-icon {
  width: 48px; height: 48px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; margin-bottom: 16px;
}
.feature-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 6px; }
.feature-card p  { font-size: 0.9rem; color: var(--muted); }

/* ─── STATS ───────────────────────────────────────── */
.stats { background: var(--blue); color: #fff; }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 24px;
  margin-top: 48px;
}
.stat-item   { text-align: center; }
.stat-number { font-size: 2.4rem; font-weight: 800; }
.stat-label  { font-size: 0.9rem; opacity: .8; margin-top: 4px; }

/* ─── PREMIUM ─────────────────────────────────────── */
.premium-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-top: 48px;
}
.premium-item {
  display: flex; align-items: flex-start; gap: 14px;
  background: var(--card); border-radius: 14px;
  padding: 20px; border: 1px solid var(--border);
}
.premium-item .check {
  width: 28px; height: 28px; border-radius: 50%;
  background: #EAF3FF; color: var(--blue);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem; flex-shrink: 0; margin-top: 2px;
}
.premium-item h4 { font-size: 0.95rem; font-weight: 700; }
.premium-item p  { font-size: 0.85rem; color: var(--muted); margin-top: 3px; }

/* ─── FOOTER ──────────────────────────────────────── */
footer {
  background: var(--text); color: #9ca3af;
  padding: 48px 5% 32px;
}
.footer-top {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 32px;
  padding-bottom: 32px; border-bottom: 1px solid #374151;
}
.footer-brand .logo      { color: #fff; font-size: 1.5rem; gap: 10px; }
.footer-brand .logo img  { width: 36px; height: 36px; border-radius: 9px; }
.footer-brand p          { margin-top: 8px; font-size: 0.85rem; max-width: 260px; }
.footer-links h4         { color: #fff; font-size: 0.9rem; margin-bottom: 12px; }
.footer-links ul         { list-style: none; }
.footer-links ul li      { margin-bottom: 8px; }
.footer-links ul li a    { color: #9ca3af; text-decoration: none; font-size: 0.85rem; transition: color .2s; }
.footer-links ul li a:hover { color: #fff; }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 12px;
  padding-top: 24px; font-size: 0.8rem;
}

/* ─── RESPONSIVE ──────────────────────────────────── */
@media (max-width: 600px) {
  .nav-links { display: none; }
  .hero { padding: 60px 5% 50px; }
}

/* ─── LANG ────────────────────────────────────────── */
[data-lang="en"]                  { display: none; }
body.lang-en [data-lang="tr"]     { display: none; }
body.lang-en [data-lang="en"]     { display: revert; }