/* =========================================
   BURSA MERTTEL ÇİT - Ana Stil Dosyası
   ========================================= */

@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@400;600;700&family=Source+Sans+3:wght@300;400;600&display=swap');

:root {
  --primary: #1a5c2a;
  --primary-dark: #0f3a18;
  --primary-light: #2d8040;
  --accent: #f5a623;
  --accent-dark: #d4891a;
  --dark: #1c1c1c;
  --gray: #555;
  --light-gray: #f4f4f4;
  --white: #fff;
  --border: #ddd;
  --shadow: 0 4px 20px rgba(0,0,0,0.12);
  --radius: 6px;
  --transition: 0.3s ease;
  --whatsapp: #25d366;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Source Sans 3', sans-serif;
  color: var(--dark);
  background: var(--white);
  line-height: 1.7;
  font-size: 16px;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* ---- TOP BAR ---- */
.topbar {
  background: var(--primary-dark);
  color: #cde8d2;
  font-size: 13px;
  padding: 7px 0;
}
.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.topbar a { color: #cde8d2; transition: color var(--transition); }
.topbar a:hover { color: var(--accent); }
.topbar .sep { opacity: 0.4; margin: 0 8px; }

/* ---- HEADER ---- */
header {
  background: var(--white);
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
  position: sticky;
  top: 0;
  z-index: 1000;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 20px;
}
.logo {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.logo .logo-main {
  font-family: 'Oswald', sans-serif;
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.5px;
}
.logo .logo-sub {
  font-size: 12px;
  color: var(--gray);
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* ---- NAV ---- */
nav { display: flex; align-items: center; gap: 4px; }
nav > ul { display: flex; align-items: center; gap: 2px; }
nav > ul > li { position: relative; }
nav > ul > li > a {
  font-family: 'Oswald', sans-serif;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--dark);
  padding: 10px 14px;
  border-radius: var(--radius);
  display: block;
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
}
nav > ul > li > a:hover,
nav > ul > li > a.active {
  background: var(--primary);
  color: var(--white);
}
/* Dropdown */
.dropdown { display: none; position: absolute; top: 100%; left: 0; background: var(--white); box-shadow: var(--shadow); border-radius: var(--radius); min-width: 220px; border-top: 3px solid var(--primary); z-index: 200; }
.dropdown li a { font-size: 14px; padding: 10px 18px; display: block; color: var(--dark); transition: background var(--transition), color var(--transition); border-bottom: 1px solid #f0f0f0; }
.dropdown li:last-child a { border-bottom: none; }
.dropdown li a:hover { background: var(--light-gray); color: var(--primary); padding-left: 24px; }
nav > ul > li:hover .dropdown { display: block; }

/* ---- HAMBURGER ---- */
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; }
.hamburger span { display: block; width: 26px; height: 2px; background: var(--primary); border-radius: 2px; transition: var(--transition); }
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ---- MOBILE NAV ---- */
.mobile-nav { display: none; background: var(--white); border-top: 2px solid var(--primary); }
.mobile-nav.open { display: block; }
.mobile-nav ul { padding: 10px 0; }
.mobile-nav ul li a { display: block; padding: 12px 20px; font-family: 'Oswald', sans-serif; font-size: 14px; text-transform: uppercase; color: var(--dark); border-bottom: 1px solid #f0f0f0; }
.mobile-nav ul li a:hover { background: var(--light-gray); color: var(--primary); }
.mobile-nav .mobile-sub a { padding-left: 36px; font-family: 'Source Sans 3', sans-serif; text-transform: none; font-size: 14px; color: var(--gray); }

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

/* ---- HERO SLIDER ---- */
.hero {
  position: relative;
  background: var(--primary-dark);
  overflow: hidden;
  min-height: 480px;
  display: flex;
  align-items: center;
}
.hero-slide {
  display: none;
  width: 100%;
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  align-items: center;
  justify-content: center;
}
.hero-slide.active { display: flex; animation: fadeIn 0.6s ease; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.hero-bg {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  filter: brightness(0.45);
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--white);
  padding: 60px 20px;
  max-width: 700px;
}
.hero-content h2 {
  font-family: 'Oswald', sans-serif;
  font-size: clamp(28px, 5vw, 52px);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
  text-shadow: 0 2px 8px rgba(0,0,0,0.5);
}
.hero-content p { font-size: 18px; opacity: 0.9; margin-bottom: 28px; text-shadow: 0 1px 4px rgba(0,0,0,0.4); }
.hero-btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.btn-primary {
  background: var(--primary);
  color: var(--white);
  padding: 13px 30px;
  border-radius: var(--radius);
  font-family: 'Oswald', sans-serif;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  transition: background var(--transition), transform var(--transition);
  display: inline-block;
}
.btn-primary:hover { background: var(--primary-light); transform: translateY(-2px); }
.btn-outline {
  background: transparent;
  color: var(--white);
  padding: 12px 30px;
  border: 2px solid rgba(255,255,255,0.7);
  border-radius: var(--radius);
  font-family: 'Oswald', sans-serif;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  transition: var(--transition);
  display: inline-block;
}
.btn-outline:hover { background: rgba(255,255,255,0.15); border-color: var(--white); }
.hero-dots { position: absolute; bottom: 20px; left: 50%; transform: translateX(-50%); display: flex; gap: 8px; z-index: 3; }
.hero-dot { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,0.4); cursor: pointer; border: none; transition: background var(--transition); }
.hero-dot.active { background: var(--white); }

/* ---- SECTION TITLE ---- */
.section-title {
  text-align: center;
  margin-bottom: 44px;
}
.section-title h2 {
  font-family: 'Oswald', sans-serif;
  font-size: clamp(24px, 3.5vw, 36px);
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}
.section-title p { color: var(--gray); max-width: 600px; margin: 0 auto; font-size: 17px; }
.title-line { width: 60px; height: 4px; background: var(--accent); margin: 12px auto 0; border-radius: 2px; }

/* ---- PRODUCTS GRID ---- */
.products-section { padding: 70px 0; background: var(--white); }
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
}
.product-card {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
  transition: transform var(--transition), box-shadow var(--transition);
  background: var(--white);
  border: 1px solid var(--border);
}
.product-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.product-card img { width: 100%; height: 200px; object-fit: cover; transition: transform var(--transition); }
.product-card:hover img { transform: scale(1.04); }
.product-card-body { padding: 18px; }
.product-card-body h3 { font-family: 'Oswald', sans-serif; font-size: 18px; color: var(--primary); margin-bottom: 8px; }
.product-card-body p { font-size: 14px; color: var(--gray); line-height: 1.6; margin-bottom: 14px; }
.btn-sm {
  display: inline-block;
  background: var(--primary);
  color: var(--white);
  padding: 8px 18px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 600;
  font-family: 'Oswald', sans-serif;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  transition: background var(--transition);
}
.btn-sm:hover { background: var(--primary-light); }

/* ---- ABOUT STRIP ---- */
.about-strip {
  background: var(--primary);
  color: var(--white);
  padding: 60px 0;
}
.about-strip-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.about-strip h2 { font-family: 'Oswald', sans-serif; font-size: 32px; margin-bottom: 14px; }
.about-strip p { opacity: 0.9; margin-bottom: 10px; }
.about-strip .btn-accent {
  display: inline-block;
  background: var(--accent);
  color: var(--dark);
  padding: 13px 30px;
  border-radius: var(--radius);
  font-family: 'Oswald', sans-serif;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-top: 16px;
  transition: background var(--transition);
}
.about-strip .btn-accent:hover { background: var(--accent-dark); }
.stats-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.stat-box {
  background: rgba(255,255,255,0.12);
  border-radius: var(--radius);
  padding: 22px;
  text-align: center;
}
.stat-box .stat-num { font-family: 'Oswald', sans-serif; font-size: 40px; font-weight: 700; color: var(--accent); line-height: 1; }
.stat-box .stat-label { font-size: 13px; opacity: 0.85; margin-top: 6px; }

/* ---- PAGE HERO ---- */
.page-hero {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  color: var(--white);
  padding: 50px 0;
  text-align: center;
}
.page-hero h1 { font-family: 'Oswald', sans-serif; font-size: clamp(26px, 4vw, 42px); font-weight: 700; }
.breadcrumb { margin-top: 10px; opacity: 0.75; font-size: 14px; }
.breadcrumb a { color: rgba(255,255,255,0.85); }
.breadcrumb a:hover { color: var(--white); }
.breadcrumb .sep { margin: 0 8px; }

/* ---- PRODUCT PAGE ---- */
.product-page { padding: 60px 0; }
.product-page-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.product-main-img { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.product-main-img img { width: 100%; height: 380px; object-fit: cover; }
.product-info h2 { font-family: 'Oswald', sans-serif; font-size: 28px; color: var(--primary); margin-bottom: 16px; }
.product-info p { margin-bottom: 14px; color: #444; }
.product-info ul { margin: 14px 0 20px; padding-left: 18px; }
.product-info ul li { margin-bottom: 6px; position: relative; padding-left: 14px; }
.product-info ul li::before { content: '✓'; position: absolute; left: -4px; color: var(--primary); font-weight: 700; }
.product-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-top: 48px;
}
.gallery-item { border-radius: var(--radius); overflow: hidden; box-shadow: 0 2px 8px rgba(0,0,0,0.1); }
.gallery-item img { width: 100%; height: 180px; object-fit: cover; transition: transform var(--transition); }
.gallery-item:hover img { transform: scale(1.05); }

/* ---- CONTACT PAGE ---- */
.contact-section { padding: 60px 0; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.contact-info h2 { font-family: 'Oswald', sans-serif; font-size: 28px; color: var(--primary); margin-bottom: 20px; }
.contact-item { display: flex; gap: 16px; margin-bottom: 24px; align-items: flex-start; }
.contact-icon { width: 48px; height: 48px; background: var(--primary); color: var(--white); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 20px; flex-shrink: 0; }
.contact-item h4 { font-family: 'Oswald', sans-serif; font-size: 16px; color: var(--primary); margin-bottom: 4px; }
.contact-item p, .contact-item a { color: var(--gray); font-size: 15px; }
.contact-item a:hover { color: var(--primary); }
.working-hours { background: var(--light-gray); border-radius: var(--radius); padding: 24px; margin-top: 24px; }
.working-hours h3 { font-family: 'Oswald', sans-serif; color: var(--primary); margin-bottom: 14px; }
.hours-row { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px solid var(--border); font-size: 14px; }
.hours-row:last-child { border-bottom: none; }
/* Quick contact form */
.quick-form { background: var(--light-gray); border-radius: var(--radius); padding: 32px; }
.quick-form h3 { font-family: 'Oswald', sans-serif; font-size: 22px; color: var(--primary); margin-bottom: 20px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; color: var(--dark); }
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: 'Source Sans 3', sans-serif;
  font-size: 15px;
  color: var(--dark);
  background: var(--white);
  transition: border-color var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus { border-color: var(--primary); }
.form-group textarea { height: 120px; resize: vertical; }
.btn-submit {
  background: var(--primary);
  color: var(--white);
  border: none;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-family: 'Oswald', sans-serif;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.5px;
  cursor: pointer;
  text-transform: uppercase;
  transition: background var(--transition);
  width: 100%;
}
.btn-submit:hover { background: var(--primary-light); }

/* ---- HAKKIMIZDA ---- */
.about-section { padding: 60px 0; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.about-text h2 { font-family: 'Oswald', sans-serif; font-size: 30px; color: var(--primary); margin-bottom: 18px; }
.about-text p { margin-bottom: 14px; color: #444; }
.features-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 32px; }
.feature-card { background: var(--light-gray); border-radius: var(--radius); padding: 22px; border-left: 4px solid var(--primary); }
.feature-card h4 { font-family: 'Oswald', sans-serif; color: var(--primary); font-size: 17px; margin-bottom: 8px; }
.feature-card p { font-size: 14px; color: var(--gray); }
.services-list { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 16px 0; }
.services-list li { font-size: 14px; padding: 8px 12px; background: var(--light-gray); border-radius: 4px; color: var(--dark); border-left: 3px solid var(--primary); }

/* ---- WHATSAPP FLOAT ---- */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
}
.whatsapp-btn {
  width: 58px; height: 58px;
  background: var(--whatsapp);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  animation: pulse-wa 2.5s infinite;
  transition: transform var(--transition);
}
.whatsapp-btn:hover { transform: scale(1.1); }
.whatsapp-btn svg { width: 30px; height: 30px; fill: white; }
@keyframes pulse-wa {
  0%, 100% { box-shadow: 0 4px 20px rgba(37,211,102,0.4); }
  50% { box-shadow: 0 4px 30px rgba(37,211,102,0.7); }
}
.whatsapp-tooltip {
  background: var(--dark);
  color: white;
  padding: 8px 14px;
  border-radius: 20px;
  font-size: 13px;
  white-space: nowrap;
  opacity: 0;
  transform: translateX(10px);
  transition: var(--transition);
  pointer-events: none;
  display: flex; align-items: center; gap: 6px;
}
.whatsapp-float:hover .whatsapp-tooltip { opacity: 1; transform: translateX(0); }

/* ---- TEKLIF BUTTON ---- */
.teklif-float {
  position: fixed;
  bottom: 24px;
  left: 24px;
  z-index: 9998;
}
.teklif-btn {
  background: var(--accent);
  color: var(--dark);
  padding: 14px 22px;
  border-radius: 50px;
  font-family: 'Oswald', sans-serif;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 16px rgba(245,166,35,0.45);
  transition: var(--transition);
  animation: pulse-teklif 3s infinite;
}
.teklif-btn:hover { background: var(--accent-dark); transform: translateY(-2px); }
@keyframes pulse-teklif {
  0%, 100% { box-shadow: 0 4px 16px rgba(245,166,35,0.45); }
  50% { box-shadow: 0 4px 28px rgba(245,166,35,0.7); }
}

/* ---- FOOTER ---- */
footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.8);
  padding: 50px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 40px;
}
.footer-brand .logo-main { color: white; font-size: 22px; margin-bottom: 12px; }
.footer-brand p { font-size: 14px; line-height: 1.7; opacity: 0.75; margin-bottom: 16px; }
footer h4 { font-family: 'Oswald', sans-serif; color: white; font-size: 16px; margin-bottom: 16px; letter-spacing: 0.5px; padding-bottom: 8px; border-bottom: 2px solid rgba(255,255,255,0.15); }
footer ul li { margin-bottom: 8px; }
footer ul li a { font-size: 14px; color: rgba(255,255,255,0.7); transition: color var(--transition), padding-left var(--transition); display: block; }
footer ul li a:hover { color: var(--accent); padding-left: 6px; }
.footer-contact li { display: flex; gap: 10px; margin-bottom: 12px; font-size: 14px; align-items: flex-start; }
.footer-contact li span:first-child { color: var(--accent); flex-shrink: 0; }
.footer-social { display: flex; gap: 10px; margin-top: 16px; }
.social-link { width: 36px; height: 36px; background: rgba(255,255,255,0.1); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,0.75); font-size: 16px; transition: background var(--transition), color var(--transition); }
.social-link:hover { background: var(--accent); color: var(--dark); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 18px 0;
  text-align: center;
  font-size: 13px;
  opacity: 0.6;
}

/* ---- RESPONSIVE ---- */
@media (max-width: 992px) {
  .about-strip-inner { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .product-page-inner { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  nav { display: none; }
  .hamburger { display: flex; }
  .hero { min-height: 360px; }
  .hero-content h2 { font-size: 26px; }
  .products-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .services-list { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .product-cta { flex-direction: column; }
}
@media (max-width: 480px) {
  .products-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .hero-btns { flex-direction: column; align-items: center; }
  .teklif-float { display: none; }
}

/* ---- UTILITY ---- */
.text-center { text-align: center; }
.mt-10 { margin-top: 10px; }
.mt-20 { margin-top: 20px; }
.section-pad { padding: 70px 0; }
.bg-light { background: var(--light-gray); }