/* ============================================
   MAIN.CSS — Karaman Anadolu Lisesi
   Dark Tema: Derin Siyah + Elektrik Mavisi
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=Inter:wght@300;400;500&display=swap');

/* ---- RENK PALETİ ---- */
:root {
  --bg:           #080c10;
  --bg-2:         #0d1117;
  --bg-3:         #131920;
  --blue:         #00a8ff;
  --blue-dim:     #0077cc;
  --blue-glow:    rgba(0, 168, 255, 0.12);
  --blue-glow-md: rgba(0, 168, 255, 0.22);
  --white:        #eef2f6;
  --gray:         #8899aa;
  --gray-dim:     #334455;
  --border:       rgba(0, 168, 255, 0.12);
  --border-active:rgba(0, 168, 255, 0.38);
}

/* ---- RESET ---- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--white);
  font-family: 'Inter', sans-serif;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ---- HEADER ---- */
header {
  background: rgba(8, 12, 16, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 0 28px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 200;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo-badge {
  width: 38px;
  height: 38px;
  background: var(--blue);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 13px;
  color: #000;
  letter-spacing: -0.5px;
  flex-shrink: 0;
  box-shadow: 0 0 18px var(--blue-glow-md);
}

.logo-text { display: flex; flex-direction: column; line-height: 1; }

.logo-text .school {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 14px;
  color: var(--white);
}

.logo-text .city {
  font-size: 9px;
  color: var(--blue);
  letter-spacing: 2.5px;
  text-transform: uppercase;
  margin-top: 3px;
}

/* Nav */
header nav { display: flex; align-items: center; gap: 4px; }

header nav a {
  color: var(--gray);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  padding: 7px 14px;
  border-radius: 6px;
  border: 1px solid transparent;
  transition: all 0.18s;
}

header nav a:hover {
  color: var(--white);
  background: var(--bg-3);
  border-color: var(--border);
}

header nav a.active {
  color: var(--blue);
  background: var(--blue-glow);
  border-color: var(--border-active);
}

/* ---- FOOTER ---- */
footer {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  padding: 24px;
  text-align: center;
}

footer .footer-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 13px;
  color: var(--blue);
  letter-spacing: 1px;
  margin-bottom: 6px;
}

footer p { font-size: 11px; color: var(--gray-dim); letter-spacing: 0.5px; }

/* ---- PAYLAŞILAN BİLEŞENLER ---- */
.divider {
  height: 1px;
  background: linear-gradient(to right, var(--blue-dim), transparent);
  margin: 28px 0;
  opacity: 0.3;
}

.section-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 10px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--blue);
  font-family: 'Syne', sans-serif;
  font-weight: 600;
  margin-bottom: 24px;
}

.section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ---- HAMBURGEr BUTONU ---- */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  padding: 8px;
  transition: border-color 0.18s;
}

.nav-toggle:hover { border-color: var(--border-active); }

.nav-toggle span {
  display: block;
  height: 1.5px;
  background: var(--white);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
  transform-origin: center;
}

/* Açıkken X'e dönüşür */
.nav-toggle.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ---- MOBİL ---- */
@media (max-width: 600px) {
  header { padding: 0 16px; height: 56px; position: relative; }

  .nav-toggle { display: flex; }

  header nav {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 56px;
    left: 0; right: 0;
    background: rgba(8, 12, 16, 0.97);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 10px 16px 14px;
    gap: 4px;
    /* Kapalı durum */
    opacity: 0;
    transform: translateY(-8px);
    pointer-events: none;
    transition: opacity 0.22s ease, transform 0.22s ease;
    z-index: 199;
  }

  header nav.open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: all;
  }

  header nav a {
    padding: 11px 14px;
    font-size: 14px;
    border-radius: 8px;
  }
}