/* ============================================================
   Yahya Kemal Spor Kulübü — Ana Stil Dosyası
   ============================================================ */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800;900&family=Inter:wght@400;500;600&display=swap');

/* ── CSS Değişkenleri ─────────────────────────────────────── */
:root {
  --birincil:      #E63946;
  --birincil-koy:  #C1121F;
  --birincil-acik: #FF6B6B;
  --koyu:          #0A0A0A;
  --koyu-800:      #141414;
  --koyu-700:      #1E1E1E;
  --koyu-600:      #2A2A2A;
  --koyu-500:      #3D3D3D;
  --gri-400:       #9CA3AF;
  --gri-300:       #D1D5DB;
  --gri-200:       #E5E7EB;
  --acik:          #FFFFFF;
  --cam:           rgba(255,255,255,0.06);
  --cam-cerceve:   rgba(255,255,255,0.10);

  --yazi-birincil: 'Outfit', sans-serif;
  --yazi-govde:    'Inter', sans-serif;

  --golge-kucuk:   0 2px 8px rgba(0,0,0,0.4);
  --golge-orta:    0 8px 24px rgba(0,0,0,0.5);
  --golge-buyuk:   0 20px 60px rgba(0,0,0,0.6);
  --golge-kirmizi: 0 8px 32px rgba(230,57,70,0.35);

  --gecis:         all 0.3s cubic-bezier(0.4,0,0.2,1);
  --gecis-hizli:   all 0.18s ease;

  --radius-kucuk:  6px;
  --radius-orta:   12px;
  --radius-buyuk:  20px;
  --radius-tam:    9999px;

  --header-yukseklik: 80px;
}

/* ── Reset & Temel ────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--yazi-govde);
  background-color: var(--koyu);
  color: var(--acik);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a  { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* ── Yardımcı Sınıflar ────────────────────────────────────── */
.konteyner {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 20px;
}

.bolum-baslik {
  font-family: var(--yazi-birincil);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--acik);
}

.bolum-baslik span { color: var(--birincil); }

.bolum-alt-baslik {
  font-size: 1rem;
  color: var(--gri-400);
  max-width: 560px;
  line-height: 1.7;
}

.bolum-etiket {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--birincil);
  margin-bottom: 14px;
}

.bolum-etiket::before {
  content: '';
  display: block;
  width: 24px; height: 2px;
  background: var(--birincil);
  border-radius: 2px;
}

.bolum-baslik-grup {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 52px;
}

/* ── Butonlar ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius-tam);
  font-family: var(--yazi-birincil);
  font-size: 0.95rem;
  font-weight: 700;
  transition: var(--gecis);
  white-space: nowrap;
}

.btn-birincil {
  background: var(--birincil);
  color: var(--acik);
  box-shadow: var(--golge-kirmizi);
}
.btn-birincil:hover {
  background: var(--birincil-koy);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(230,57,70,0.5);
}

.btn-ikincil {
  background: transparent;
  color: var(--acik);
  border: 2px solid rgba(255,255,255,0.3);
}
.btn-ikincil:hover {
  border-color: var(--birincil);
  color: var(--birincil);
  transform: translateY(-2px);
}

.btn-whatsapp {
  background: #25D366;
  color: var(--acik);
  box-shadow: 0 8px 24px rgba(37,211,102,0.35);
}
.btn-whatsapp:hover {
  background: #20B858;
  transform: translateY(-2px);
}

.btn-kucuk { padding: 9px 20px; font-size: 0.85rem; }
.btn-buyuk { padding: 16px 36px; font-size: 1.05rem; }

/* ── Kart ─────────────────────────────────────────────────── */
.kart {
  background: var(--koyu-700);
  border: 1px solid var(--cam-cerceve);
  border-radius: var(--radius-buyuk);
  overflow: hidden;
  transition: var(--gecis);
}
.kart:hover {
  transform: translateY(-6px);
  box-shadow: var(--golge-buyuk);
  border-color: rgba(230,57,70,0.25);
}

/* ── Glassmorphism ────────────────────────────────────────── */
.cam-kart {
  background: var(--cam);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--cam-cerceve);
  border-radius: var(--radius-buyuk);
}

/* ── Bölüm Padding ────────────────────────────────────────── */
.bolum { padding: 90px 0; }
.bolum-koyu   { background: var(--koyu-800); }
.bolum-cizgili { border-top: 1px solid var(--koyu-600); }

/* ── Grid ─────────────────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* ── Rozet ────────────────────────────────────────────────── */
.rozet {
  display: inline-block;
  padding: 4px 14px;
  border-radius: var(--radius-tam);
  font-size: 0.78rem;
  font-weight: 600;
  background: rgba(230,57,70,0.15);
  color: var(--birincil);
  border: 1px solid rgba(230,57,70,0.3);
}

/* ── Ayrıcı çizgi ─────────────────────────────────────────── */
.ayirici {
  width: 60px; height: 4px;
  background: linear-gradient(90deg, var(--birincil), var(--birincil-acik));
  border-radius: 4px;
  margin-bottom: 20px;
}

/* ── Scroll animasyonu başlangıç durumu ──────────────────── */
.gizli {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.gizli.gorünür {
  opacity: 1;
  transform: translateY(0);
}

.gizli-sol {
  opacity: 0;
  transform: translateX(-32px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.gizli-sol.gorünür { opacity: 1; transform: translateX(0); }

.gizli-sag {
  opacity: 0;
  transform: translateX(32px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.gizli-sag.gorünür { opacity: 1; transform: translateX(0); }

/* ── WhatsApp Sabit Buton ─────────────────────────────────── */
#whatsapp-sabit {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 9999;
  width: 58px; height: 58px;
  border-radius: 50%;
  background: #25D366;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 24px rgba(37,211,102,0.5);
  transition: var(--gecis);
  animation: whatsappNabiz 2.5s ease-in-out infinite;
}
#whatsapp-sabit:hover {
  transform: scale(1.12);
  box-shadow: 0 10px 36px rgba(37,211,102,0.65);
}
#whatsapp-sabit svg { width: 30px; height: 30px; fill: #fff; }

@keyframes whatsappNabiz {
  0%,100% { box-shadow: 0 6px 24px rgba(37,211,102,0.5); }
  50%      { box-shadow: 0 6px 36px rgba(37,211,102,0.8), 0 0 0 10px rgba(37,211,102,0.08); }
}

/* ── Scroll İlerleme Çubuğu ──────────────────────────────── */
#scroll-cubugu {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--birincil), var(--birincil-acik));
  z-index: 99999;
  transition: width 0.1s linear;
}

/* ── Form Ortak Stiller ──────────────────────────────────── */
.form-grup { display: flex; flex-direction: column; gap: 6px; }

.form-etiket {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gri-300);
}

.form-alan {
  padding: 13px 16px;
  background: var(--koyu-600);
  border: 1px solid var(--koyu-500);
  border-radius: var(--radius-orta);
  color: var(--acik);
  font-size: 0.95rem;
  transition: var(--gecis-hizli);
  outline: none;
}
.form-alan:focus {
  border-color: var(--birincil);
  background: var(--koyu-500);
  box-shadow: 0 0 0 3px rgba(230,57,70,0.15);
}
.form-alan::placeholder { color: var(--gri-400); }

textarea.form-alan { resize: vertical; min-height: 120px; }

/* ── Ikonlar (SVG inline yardımcıları) ─────────────────── */
.ikon { width: 24px; height: 24px; flex-shrink: 0; }

/* ── Yıldız Puanı ────────────────────────────────────────── */
.yildizlar { color: #FBBF24; font-size: 1rem; letter-spacing: 2px; }

/* ── Responsive (Mobil) ──────────────────────────────────── */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root { --header-yukseklik: 68px; }
  .bolum { padding: 64px 0; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .bolum-baslik-grup { margin-bottom: 36px; }
  #whatsapp-sabit { bottom: 20px; right: 16px; width: 52px; height: 52px; }
}

@media (max-width: 480px) {
  .konteyner { padding-inline: 16px; }
  .btn { padding: 12px 22px; font-size: 0.9rem; }
}

/* ── Çok Küçük Ekranlar ≤360px (JioPhone2, Nokia, Galaxy Z Fold iç) ── */
@media (max-width: 360px) {
  .konteyner { padding-inline: 12px; }
  .btn { padding: 10px 14px; font-size: 0.85rem; }
  .bolum { padding: 32px 0; }
  .bolum-baslik-grup { margin-bottom: 24px; }
  .hero-istatistikler { gap: 16px; flex-wrap: wrap; }
  .hero-istatistik-sayi { font-size: 1.5rem; }
  .hero-butonlar { gap: 10px; }
  .bolum-baslik { font-size: clamp(1.4rem, 7vw, 1.8rem); }
}

/* ── Çok Dar Ekranlar ≤280px (Galaxy Z Fold 5 iç ekran) ── */
@media (max-width: 280px) {
  .konteyner { padding-inline: 8px; }
  .btn { padding: 9px 12px; font-size: 0.82rem; white-space: normal; text-align: center; justify-content: center; }
  .bolum-baslik { font-size: 1.3rem; }
  .bolum-alt-baslik { font-size: 0.875rem; }
  #whatsapp-sabit { width: 46px; height: 46px; bottom: 14px; right: 12px; }
}