/* =====================
   AK MERKEZİ SİSTEM - Ana Stil
   ===================== */

:root {
  --primary: #0055a4;
  --primary-dark: #003d7a;
  --primary-light: #e8f1fb;
  --accent: #00b4d8;
  --accent2: #f0a500;
  --white: #ffffff;
  --gray-100: #f5f7fa;
  --gray-200: #e8ecf0;
  --gray-600: #6b7280;
  --gray-800: #1f2937;
  --text: #2d3748;
  --radius: 14px;
  --shadow: 0 4px 24px rgba(0,85,164,0.10);
  --shadow-lg: 0 8px 40px rgba(0,85,164,0.18);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Open Sans', sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
}

h1, h2, h3, h4 { font-family: 'Montserrat', sans-serif; line-height: 1.2; }

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

img { max-width: 100%; display: block; border-radius: var(--radius); object-fit: cover; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ---- NAVBAR ---- */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 999;
  background: rgba(255,255,255,0.97);
  box-shadow: 0 2px 16px rgba(0,0,0,0.08);
  transition: background 0.3s;
}

.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 20px; height: 70px;
}


.sabit-ara-sol {
    position: fixed;
    bottom: 25px; /* Alttan mesafe */
    left: 25px;   /* Soldan mesafe */
    background: linear-gradient(135deg, #0055a4, #003d7a);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    padding: 12px 22px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 16px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    z-index: 9999;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
}

.sabit-ara-sol:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
    color: white;
}

.ara-icerik {
    display: flex;
    align-items: center;
    gap: 10px;
}

.telefon-ikon {
    font-size: 20px;
}

/* MOBİL UYUMLULUK AYARI */
@media (max-width: 768px) {
    .sabit-ara-sol {
        bottom: 20px;
        left: 20px;
        padding: 12px 18px;
        font-size: 14px;
    }
}

/* Çok küçük ekranlarda sadece ikon görünsün isterseniz (Opsiyonel) */
@media (max-width: 480px) {
    .ara-yazi {
        display: none; /* Yazıyı gizle */
    }
    .sabit-ara-sol {
        padding: 15px;
        border-radius: 50%; /* Butonu yuvarlak yap */
    }
    .telefon-ikon {
        margin: 0;
    }
}


.logo {
  display: flex; align-items: center; gap: 10px;
  font-family: 'Montserrat', sans-serif;
}

.logo-icon { font-size: 2rem; color: var(--accent); }
.logo-title { display: block; font-weight: 900; font-size: 1.05rem; color: var(--primary); }
.logo-sub { display: block; font-size: 0.7rem; color: var(--gray-600); font-weight: 500; }

.nav-menu {
  display: flex; align-items: center; gap: 2rem;
  list-style: none;
}

.nav-menu a {
  font-weight: 600; font-size: 0.92rem; color: var(--gray-800);
  padding: 6px 0; border-bottom: 2px solid transparent;
  transition: all 0.2s;
}

.nav-menu a:hover, .nav-menu a.active { color: var(--primary); border-color: var(--primary); }

.nav-menu .nav-cta {
  background: var(--primary); color: var(--white);
  padding: 8px 18px; border-radius: 50px; border: none;
}
.nav-menu .nav-cta:hover { background: var(--primary-dark); }

.hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.hamburger span {
  display: block; width: 26px; height: 2.5px;
  background: var(--primary); border-radius: 2px; transition: 0.3s;
}

/* ---- BUTTONS ---- */
.btn {
  display: inline-block; padding: 13px 28px;
  border-radius: 50px; font-family: 'Montserrat', sans-serif;
  font-weight: 700; font-size: 0.95rem; cursor: pointer;
  transition: all 0.2s; border: 2px solid transparent;
}

.btn-primary {
  background: var(--primary); color: var(--white);
}
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow); }

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

.btn-whatsapp {
  background: #25d366; color: var(--white);
}
.btn-whatsapp:hover { background: #1da851; transform: translateY(-2px); }

.btn-sm { padding: 8px 18px; font-size: 0.85rem; }

/* ---- HERO ---- */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center;
  padding-top: 70px;
}

.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-img { width: 100%; height: 100%; object-fit: cover; border-radius: 0; }
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(0,55,122,0.82) 0%, rgba(0,85,164,0.65) 60%, rgba(0,180,216,0.3) 100%);
}

.hero-content {
  position: relative; z-index: 1; color: var(--white);
  padding: 60px 20px;
}

.hero-badge {
  display: inline-block; background: rgba(255,255,255,0.18);
  border: 1px solid rgba(255,255,255,0.4); color: var(--white);
  padding: 6px 18px; border-radius: 50px; font-size: 0.85rem;
  font-weight: 600; margin-bottom: 1.5rem; backdrop-filter: blur(4px);
}

.hero-content h1 {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 900; margin-bottom: 1.2rem;
  text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.hero-content h1 .accent { color: var(--accent); }

.hero-content p {
  font-size: 1.1rem; max-width: 580px;
  opacity: 0.92; margin-bottom: 2rem;
}

.hero-btns { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 3rem; }

.hero-stats {
  display: flex; align-items: center; gap: 1.5rem;
  background: rgba(255,255,255,0.12); backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.2);
  padding: 16px 28px; border-radius: 14px;
  display: inline-flex;
}

.stat { text-align: center; }
.stat-num { display: block; font-family: 'Montserrat',sans-serif; font-weight: 900; font-size: 1.8rem; color: var(--accent); }
.stat-label { font-size: 0.75rem; opacity: 0.85; }
.stat-divider { width: 1px; height: 40px; background: rgba(255,255,255,0.3); }

/* ---- SECTIONS ---- */
.section { padding: 80px 0; }
.section:nth-child(even) { background: var(--gray-100); }

.section-header { text-align: center; margin-bottom: 3rem; }
.section-tag {
  display: inline-block; background: var(--primary-light);
  color: var(--primary); font-size: 0.78rem; font-weight: 700;
  padding: 4px 14px; border-radius: 50px; margin-bottom: 0.8rem;
  text-transform: uppercase; letter-spacing: 1px;
}

.section-header h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); color: var(--gray-800); margin-bottom: 0.7rem; }
.section-header p { color: var(--gray-600); max-width: 550px; margin: 0 auto; }

/* ---- FEATURES GRID ---- */
.features-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.5rem;
}

.feature-card {
  background: var(--white); border-radius: var(--radius);
  padding: 2rem; box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
  border-top: 4px solid transparent;
}
.feature-card:hover {
  transform: translateY(-6px); box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.feature-icon { font-size: 2.4rem; margin-bottom: 1rem; }
.feature-card h3 { font-size: 1.05rem; color: var(--primary); margin-bottom: 0.5rem; }
.feature-card p { font-size: 0.9rem; color: var(--gray-600); }

/* ---- STEPS ---- */
.steps-grid {
  display: flex; align-items: flex-start; gap: 0.8rem;
  flex-wrap: wrap; justify-content: center;
}

.step {
  flex: 1 1 200px; max-width: 230px;
  text-align: center;
}

.step-num {
  font-family: 'Montserrat',sans-serif; font-weight: 900; font-size: 3rem;
  color: var(--primary-light); line-height: 1; margin-bottom: 0.5rem;
}

.step-img { height: 150px; overflow: hidden; border-radius: var(--radius); margin-bottom: 1rem; }
.step-img img { width: 100%; height: 100%; object-fit: cover; border-radius: var(--radius); }
.step h3 { font-size: 0.95rem; color: var(--primary); margin-bottom: 0.4rem; }
.step p { font-size: 0.85rem; color: var(--gray-600); }

.step-arrow {
  font-size: 2rem; color: var(--accent); align-self: center;
  padding-top: 60px;
}

/* ---- PRODUCTS ---- */
.products-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.5rem;
}

.product-card {
  background: var(--white); border-radius: var(--radius);
  box-shadow: var(--shadow); overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }

.product-img { position: relative; height: 220px; overflow: hidden; }
.product-img img { width: 100%; height: 100%; object-fit: cover; border-radius: 0; transition: transform 0.4s; }
.product-card:hover .product-img img { transform: scale(1.05); }

.product-badge {
  position: absolute; top: 12px; right: 12px;
  background: var(--primary); color: white;
  font-size: 0.72rem; font-weight: 700; padding: 4px 10px; border-radius: 50px;
}
.product-badge.premium { background: var(--accent2); }

.product-info { padding: 1.5rem; }
.product-info h3 { font-size: 1.1rem; color: var(--gray-800); margin-bottom: 0.5rem; }
.product-info p { font-size: 0.88rem; color: var(--gray-600); margin-bottom: 1rem; }

/* ---- ABOUT PREVIEW ---- */
.about-preview-inner {
  display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center;
}

.about-preview-img { position: relative; }
.about-preview-img img { width: 100%; height: 400px; object-fit: cover; border-radius: var(--radius); }

.about-badge {
  position: absolute; bottom: -20px; right: -20px;
  background: var(--white); box-shadow: var(--shadow-lg);
  padding: 16px 20px; border-radius: var(--radius);
  display: flex; align-items: center; gap: 12px; font-size: 0.85rem;
}
.about-badge span { font-size: 2rem; }

.about-preview-text { }
.about-preview-text h2 { font-size: clamp(1.5rem, 2.5vw, 2rem); color: var(--gray-800); margin: 1rem 0; }
.about-preview-text p { color: var(--gray-600); margin-bottom: 1.5rem; }

.about-list { list-style: none; margin-bottom: 1.5rem; }
.about-list li { padding: 6px 0; font-weight: 600; color: var(--primary); }

/* ---- CTA ---- */
.cta-section { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); padding: 60px 0; }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }
.cta-text h2 { color: white; font-size: clamp(1.3rem, 2.5vw, 1.9rem); margin-bottom: 0.5rem; }
.cta-text p { color: rgba(255,255,255,0.8); }
.cta-btns { display: flex; gap: 1rem; flex-wrap: wrap; }
.cta-section .btn-primary { background: white; color: var(--primary); }
.cta-section .btn-primary:hover { background: var(--gray-100); }

/* ---- FAQ ---- */
.faq-list { max-width: 750px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--gray-200); }

.faq-q {
  width: 100%; background: none; border: none; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.2rem 0; font-family: 'Montserrat',sans-serif; font-weight: 700;
  font-size: 1rem; color: var(--gray-800); text-align: left;
}
.faq-q span { font-size: 1.4rem; color: var(--primary); transition: transform 0.3s; }
.faq-item.open .faq-q span { transform: rotate(45deg); }

.faq-a { display: none; padding: 0 0 1.2rem; }
.faq-item.open .faq-a { display: block; }
.faq-a p { color: var(--gray-600); font-size: 0.95rem; }

/* ---- FOOTER ---- */
.footer { background: var(--gray-800); color: rgba(255,255,255,0.8); padding: 60px 0 0; }
.footer-inner { display: grid; grid-template-columns: 2fr 1fr 1.5fr; gap: 3rem; padding-bottom: 2.5rem; }

.footer-logo { font-family: 'Montserrat',sans-serif; font-weight: 900; font-size: 1.1rem; color: white; margin-bottom: 1rem; }
.footer-col h4 { color: white; font-size: 1rem; margin-bottom: 1rem; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 0.5rem; }
.footer-col ul li a, .footer-col p a { color: rgba(255,255,255,0.7); transition: color 0.2s; }
.footer-col ul li a:hover, .footer-col p a:hover { color: var(--accent); }
.footer-col p { margin-bottom: 0.5rem; font-size: 0.9rem; }

.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 20px 0; text-align: center; }
.footer-bottom p { font-size: 0.85rem; opacity: 0.6; }

/* ---- WHATSAPP FLOAT ---- */
.whatsapp-float {
  position: fixed; bottom: 28px; right: 28px; z-index: 9999;
  background: #25d366; width: 60px; height: 60px;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  transition: transform 0.2s, box-shadow 0.2s;
}
.whatsapp-float:hover { transform: scale(1.1); box-shadow: 0 6px 28px rgba(37,211,102,0.6); }

/* ---- PAGE HEADER ---- */
.page-header {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  padding: 120px 0 60px; text-align: center; color: white;
}
.page-header h1 { font-size: clamp(1.8rem, 4vw, 3rem); margin-bottom: 0.8rem; }
.page-header p { font-size: 1.05rem; opacity: 0.9; }
.breadcrumb { font-size: 0.85rem; opacity: 0.7; margin-bottom: 1rem; }
.breadcrumb a { color: white; }

/* ---- FORM ---- */
.form-group { margin-bottom: 1.2rem; }
.form-group label { display: block; font-weight: 600; margin-bottom: 0.4rem; font-size: 0.9rem; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 12px 16px;
  border: 2px solid var(--gray-200); border-radius: 10px;
  font-family: 'Open Sans',sans-serif; font-size: 0.95rem;
  transition: border-color 0.2s; background: white;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--primary);
}
.form-group textarea { min-height: 120px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

/* ---- CARD GRID GENERAL ---- */
.card {
  background: white; border-radius: var(--radius);
  padding: 2rem; box-shadow: var(--shadow);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 900px) {
  .about-preview-inner { grid-template-columns: 1fr; gap: 3rem; }
  .about-badge { right: 0; bottom: -15px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .step-arrow { display: none; }
}

@media (max-width: 768px) {
  .hamburger { display: flex; }
  .nav-menu {
    display: none; flex-direction: column;
    position: fixed; top: 70px; left: 0; right: 0;
    background: white; padding: 1.5rem 2rem; gap: 0;
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
  }
  .nav-menu.open { display: flex; }
  .nav-menu li { border-bottom: 1px solid var(--gray-200); }
  .nav-menu a { display: block; padding: 12px 0; }

  .hero-content h1 { font-size: 2rem; }
  .hero-stats { flex-direction: row; gap: 1rem; }

  .cta-inner { flex-direction: column; text-align: center; }
  .cta-btns { justify-content: center; }
  .footer-inner { grid-template-columns: 1fr; gap: 1.5rem; }
  .form-row { grid-template-columns: 1fr; }
}

/* ---- ANİMASYON ---- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-content > * { animation: fadeUp 0.7s both; }
.hero-content > *:nth-child(1) { animation-delay: 0.1s; }
.hero-content > *:nth-child(2) { animation-delay: 0.2s; }
.hero-content > *:nth-child(3) { animation-delay: 0.3s; }
.hero-content > *:nth-child(4) { animation-delay: 0.4s; }
.hero-content > *:nth-child(5) { animation-delay: 0.5s; }