/* =============================================
   Ufuk Kurs Merkezi — Ana Stil Dosyası
   Renk Paleti: Kırmızı #D31011 | Mavi #54ADE1 | Bordo #8E1619
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;700;800&family=Open+Sans:wght@400;600&display=swap');

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

:root {
  --primary: #D31011;
  --primary-dark: #8E1619;
  --accent:  #54ADE1;
  --light:   #f0f4f8;
  --white:   #ffffff;
  --text:    #212121;
  --muted:   #6b7280;
  --radius:  10px;
  --shadow:  0 4px 20px rgba(211,16,17,.12);
  --transition: .3s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Open Sans', sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
}

h1, h2, h3, h4 { font-family: 'Nunito', sans-serif; font-weight: 700; }

img { max-width: 100%; display: block; }

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

ul { list-style: none; }

/* ---------- Yardımcı Sınıflar ---------- */
.container { max-width: 1180px; margin: 0 auto; padding: 0 20px; }

.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-family: 'Nunito', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--accent);
  color: var(--white);
}
.btn-primary:hover { background: #b00d0e; transform: translateY(-2px); box-shadow: 0 6px 18px rgba(211,16,17,.35); }

.btn-outline {
  background: transparent;
  border-color: var(--white);
  color: var(--white);
}
.btn-outline:hover { background: var(--white); color: var(--primary); }

.btn-outline-dark {
  background: transparent;
  border-color: var(--primary);
  color: var(--primary);
}
.btn-outline-dark:hover { background: var(--primary); color: var(--white); }

.section { padding: 72px 0; }
.section--gray { background: var(--light); }

.section-title {
  text-align: center;
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 12px;
}

.section-subtitle {
  text-align: center;
  color: var(--muted);
  font-size: 1.05rem;
  margin-bottom: 48px;
}

/* Fade-in animasyon (JS ile tetiklenir) */
.fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .6s ease, transform .6s ease;
}
.fade-in.visible { opacity: 1; transform: none; }

/* ---------- NAVBAR ---------- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: var(--white);
  box-shadow: 0 2px 12px rgba(211,16,17,.10);
  height: 68px;
  display: flex;
  align-items: center;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.navbar__logo {
  font-family: 'Nunito', sans-serif;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -.3px;
}
.navbar__logo span { color: var(--accent); }

.navbar__links {
  display: flex;
  gap: 32px;
  align-items: center;
}

.navbar__links a {
  font-family: 'Nunito', sans-serif;
  font-weight: 600;
  color: var(--text);
  font-size: .97rem;
  transition: color var(--transition);
  position: relative;
}
.navbar__links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--accent);
  transition: width var(--transition);
}
.navbar__links a:hover::after,
.navbar__links a.active::after { width: 100%; }
.navbar__links a:hover,
.navbar__links a.active { color: var(--primary); }

.navbar__cta {
  background: var(--primary) !important;
  color: var(--white) !important;
  padding: 8px 20px;
  border-radius: var(--radius);
}
.navbar__cta::after { display: none !important; }
.navbar__cta:hover { background: var(--primary-dark) !important; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 25px;
  height: 2.5px;
  background: var(--primary);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* Page offset for fixed navbar */
main { padding-top: 68px; }

@keyframes kenBurns {
  0%   { transform: scale(1)    translate(0,    0);   }
  50%  { transform: scale(1.12) translate(-2%, 1%);  }
  100% { transform: scale(1.08) translate(3%,  -1%); }
}

/* ---------- HERO ---------- */
.hero {
  min-height: calc(100vh - 68px);
  display: flex;
  align-items: center;
  text-align: center;
  color: var(--text);
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  inset: -30px;
  background-image: url('https://images.unsplash.com/photo-1513542789411-b6a5d4f31634?auto=format&fit=crop&w=1920&q=80');
  background-size: cover;
  background-position: center;
  animation: kenBurns 18s ease-in-out infinite alternate;
  z-index: 0;
}

.hero::before { display: none; }

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 auto;
  background: rgba(255,255,255,.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border-radius: 20px;
  padding: 52px 48px;
}

.hero__badge {
  display: inline-block;
  background: rgba(211,16,17,.1);
  color: var(--primary);
  border: 1px solid rgba(211,16,17,.3);
  border-radius: 50px;
  padding: 6px 18px;
  font-size: .88rem;
  font-family: 'Nunito', sans-serif;
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: .5px;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--text);
}
.hero h1 span { color: #212121; }

.hero p {
  font-size: 1.1rem;
  color: var(--muted);
  margin-bottom: 36px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.hero__btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

.hero__stats {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-top: 56px;
  flex-wrap: wrap;
}

.hero__stat span {
  display: block;
  font-size: 2rem;
  font-family: 'Nunito', sans-serif;
  font-weight: 800;
  color: var(--primary);
}
.hero__stat small { font-size: .85rem; color: var(--muted); }

/* ---------- ÖZELLİKLER ---------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px 28px;
  box-shadow: var(--shadow);
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
}
.feature-card:hover { transform: translateY(-6px); box-shadow: 0 12px 32px rgba(211,16,17,.16); }

.feature-card__icon {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.7rem;
}

.feature-card h3 { color: var(--primary); margin-bottom: 10px; font-size: 1.15rem; }
.feature-card p  { color: var(--muted); font-size: .93rem; }

/* ---------- KURS KARTLARI ---------- */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.course-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: row;
}
.course-card:hover { transform: translateY(-6px); box-shadow: 0 12px 32px rgba(211,16,17,.18); }

.course-card__img {
  width: 220px;
  flex-shrink: 0;
  object-fit: contain;
  object-position: center;
  display: block;
  align-self: stretch;
}

.course-card__content {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.course-card__header {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--white);
  padding: 14px 18px;
}
.course-card__header .icon { font-size: 2.2rem; margin-bottom: 12px; }
.course-card__header h3 { font-size: 1.3rem; margin-bottom: 6px; }
.course-card__header p { font-size: .88rem; opacity: .82; }

.course-card__body { padding: 24px; flex: 1; display: flex; flex-direction: column; }

.course-card__list { margin-bottom: 20px; flex: 1; }
.course-card__list li {
  padding: 7px 0;
  border-bottom: 1px solid #eef0f5;
  font-size: .93rem;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}
.course-card__list li::before {
  content: '✓';
  color: var(--accent);
  font-weight: 700;
  flex-shrink: 0;
}

.course-card__footer {
  padding: 16px 24px;
  border-top: 1px solid #eef0f5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

/* ---------- HAKKIMDAKİ ÖNIZLEME ---------- */
.about-preview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-preview__img {
  border-radius: var(--radius);
  background: linear-gradient(135deg, #e8edf2, #d0d8e4);
  aspect-ratio: 4/3;
  display: flex; align-items: center; justify-content: center;
  font-size: 5rem;
}
.about-preview__text h2 { color: var(--primary); font-size: 1.9rem; margin-bottom: 16px; }
.about-preview__text p  { color: var(--muted); margin-bottom: 24px; line-height: 1.8; }

/* ---------- İSTATİSTİKLER ---------- */
.stats { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: var(--white); }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 24px;
  text-align: center;
}
.stat-item strong {
  display: block;
  font-family: 'Nunito', sans-serif;
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--white);
}
.stat-item span { font-size: .9rem; color: rgba(255,255,255,.85); }

/* ---------- ÖĞRETMEN KARTLARI ---------- */
.teachers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 28px;
}

.teacher-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-align: center;
  padding: 32px 20px 24px;
  transition: transform var(--transition);
}
.teacher-card:hover { transform: translateY(-4px); }

.teacher-card__avatar {
  width: 90px; height: 90px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  margin: 0 auto 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 2.4rem;
  color: var(--white);
}
.teacher-card h4 { color: var(--primary); margin-bottom: 4px; }
.teacher-card span { color: var(--accent); font-size: .88rem; font-weight: 600; }
.teacher-card p { color: var(--muted); font-size: .88rem; margin-top: 8px; }

/* ---------- MİSYON VİZYON ---------- */
.mv-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
.mv-card {
  border-radius: var(--radius);
  padding: 36px 28px;
  box-shadow: var(--shadow);
}
.mv-card--mission { background: var(--white); color: var(--text); }
.mv-card--vision  { background: var(--white); color: var(--text); }
.mv-card h3 { font-size: 1.3rem; margin-bottom: 12px; }
.mv-card p  { opacity: .9; line-height: 1.8; }

/* ---------- İLETİŞİM ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.contact-form { background: var(--white); border-radius: var(--radius); padding: 36px; box-shadow: var(--shadow); }
.contact-form h3 { color: var(--primary); font-size: 1.4rem; margin-bottom: 24px; }

.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: 6px; color: var(--text); }
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid #d1d9e8;
  border-radius: 8px;
  font-family: 'Open Sans', sans-serif;
  font-size: .95rem;
  color: var(--text);
  transition: border-color var(--transition);
  background: var(--white);
}
.form-group input:focus,
.form-group textarea:focus { outline: none; border-color: var(--primary); }
.form-group textarea { resize: vertical; min-height: 120px; }

.contact-info { display: flex; flex-direction: column; gap: 20px; }

.info-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.info-card__icon {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}
.info-card h4 { color: var(--primary); margin-bottom: 4px; font-size: 1rem; }
.info-card p  { color: var(--muted); font-size: .9rem; line-height: 1.6; }

.map-container {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  margin-top: 20px;
}
.map-placeholder {
  background: linear-gradient(135deg, #e8edf2, #d0d8e4);
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 8px;
  color: var(--primary);
}
.map-placeholder .map-icon { font-size: 2.5rem; }
.map-placeholder p { font-weight: 600; font-size: .9rem; }

/* ---------- PAGE HERO (iç sayfalar) ---------- */
.page-hero {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--white);
  text-align: center;
  padding: 72px 20px 60px;
}
.page-hero h1 { font-size: 2.4rem; margin-bottom: 12px; }
.page-hero p { opacity: .85; font-size: 1.05rem; max-width: 560px; margin: 0 auto; }

/* ---------- FOOTER ---------- */
.footer {
  background: #6b0e0f;
  color: rgba(255,255,255,.8);
  padding: 56px 0 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer__brand .footer__logo {
  font-family: 'Nunito', sans-serif;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 12px;
}
.footer__brand .footer__logo span { color: var(--accent); }
.footer__brand p { font-size: .9rem; line-height: 1.7; margin-bottom: 20px; }

.footer__social { display: flex; gap: 10px; }
.footer__social a {
  width: 36px; height: 36px;
  background: rgba(255,255,255,.1);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  transition: background var(--transition);
}
.footer__social a:hover { background: var(--accent); }

.footer__col h4 { color: var(--white); font-size: 1rem; margin-bottom: 16px; }
.footer__col ul li { margin-bottom: 10px; }
.footer__col ul li a { font-size: .9rem; transition: color var(--transition); }
.footer__col ul li a:hover { color: var(--accent); }

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: .85rem;
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 900px) {
  .about-preview, .mv-grid, .contact-grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

/* ---------- FLOATING BUTONLAR ---------- */
.fab-group {
  position: fixed;
  bottom: 28px;
  right: 24px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
}

.fab {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0,0,0,.22);
  transition: transform var(--transition), box-shadow var(--transition);
  text-decoration: none;
}
.fab:hover {
  transform: translateY(-3px) scale(1.08);
  box-shadow: 0 8px 24px rgba(0,0,0,.28);
}

.fab--whatsapp { background: #25d366; }
.fab--phone    { background: #22c55e; }

.fab svg { width: 26px; height: 26px; fill: #fff; }

@media (max-width: 768px) {
  .hamburger { display: flex; }
  .features-grid { grid-template-columns: 1fr; }
  .courses-grid  { grid-template-columns: 1fr; }
  .course-card   { flex-direction: column; }
  .course-card__img { width: 100%; height: 260px; }

  .navbar__links {
    display: none;
    position: absolute;
    top: 68px; left: 0; right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 20px;
    box-shadow: 0 8px 24px rgba(211,16,17,.12);
    gap: 16px;
  }
  .navbar__links.open { display: flex; }

  .hero { min-height: auto; padding: 60px 20px; }
  .hero__stats { gap: 24px; }
  .section { padding: 52px 0; }
  .section-title { font-size: 1.6rem; }
  .footer__grid { grid-template-columns: 1fr; gap: 32px; }
  .footer__bottom { flex-direction: column; text-align: center; }
}