/* Genel Stil Tanımlamaları */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700&family=Open+Sans:wght@400;600&display=swap');

body {
    font-family: 'Open Sans', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #ffffff;
    color: #333;
    line-height: 1.6;
    font-size: 16px;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

a {
    color: #0056b3; /* Özplas Mavi */
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #e60000; /* Özplas Kırmızı */
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    color: #1a1a1a;
    font-weight: 600;
}

img {
    max-width: 100%;
    height: auto;
}

/* Header Alanı */
.main-header {
    background-color: #fff;
    padding: 15px 0;
    border-bottom: 1px solid #eee;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo img {
    height: 60px;
}

.main-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
}

.main-nav ul li {
    margin-left: 25px;
}

.main-nav ul li a {
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
    font-size: 17px;
    color: #333;
    padding-bottom: 5px;
    border-bottom: 2px solid transparent;
}

.main-nav ul li a:hover,
.main-nav ul li a.active {
    color: #0056b3; /* Özplas Mavi */
    border-bottom: 2px solid #0056b3;
}

/* Hero (Giriş) Bölümü */
.hero-section {
    background-color: #f0f0f0; /* Geçici arkaplan */
    background-image: url('images/hero_bg_placeholder.jpg'); /* Gerçek bir görsel ile değiştirilecek */
    background-size: cover;
    background-position: center;
    color: #fff;
    padding: 100px 0;
    text-align: center;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-section .container {
    background-color: rgba(0, 0, 0, 0.5); /* Metin okunurluğu için hafif koyu arkaplan */
    padding: 40px;
    border-radius: 8px;
}

.hero-section h1 {
    font-size: 48px;
    margin-bottom: 20px;
    color: #fff;
    font-weight: 700;
}

.hero-section p {
    font-size: 20px;
    margin-bottom: 30px;
    color: #f0f0f0;
}

.btn {
    display: inline-block;
    background-color: #0056b3; /* Özplas Mavi */
    color: #fff;
    padding: 12px 25px;
    border-radius: 5px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 16px;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.btn:hover {
    background-color: #e60000; /* Özplas Kırmızı */
    color: #fff;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    border: 2px solid #fff;
}

.btn-secondary:hover {
    background-color: #fff;
    color: #0056b3;
}

/* Genel Bölümler */
.section {
    padding: 60px 0;
}

.section-title {
    text-align: center;
    font-size: 36px;
    margin-bottom: 15px;
    color: #0056b3;
}

.section-subtitle {
    text-align: center;
    font-size: 18px;
    color: #777;
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Hakkımızda Kısa Bölümü */
.about-short-section {
    background-color: #f9f9f9;
}

/* Ürünler Bölümü */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.product-card {
    background-color: #fff;
    border: 1px solid #eee;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.product-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.product-card-content {
    padding: 20px;
}

.product-card h3 {
    font-size: 20px;
    margin-top: 0;
    margin-bottom: 10px;
    color: #0056b3;
}

.product-card p {
    font-size: 15px;
    margin-bottom: 15px;
}

/* Kalite Politikası Bölümü */
.quality-section {
    background-color: #0056b3;
    color: #fff;
}

.quality-section .section-title,
.quality-section .section-subtitle,
.quality-section h3,
.quality-section p {
    color: #fff;
}

/* Footer Alanı */
.main-footer {
    background-color: #222;
    color: #ccc;
    padding: 40px 0;
    font-size: 15px;
}

.main-footer .container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.footer-column h4 {
    font-family: 'Montserrat', sans-serif;
    color: #fff;
    font-size: 18px;
    margin-bottom: 15px;
}

.footer-column ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-column ul li {
    margin-bottom: 10px;
}

.footer-column ul li a {
    color: #ccc;
}

.footer-column ul li a:hover {
    color: #fff;
}

.footer-bottom {
    text-align: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #444;
    font-size: 14px;
}

/* Responsive Tasarım */
@media (max-width: 768px) {
    .main-header .container {
        flex-direction: column;
    }
    .main-nav ul {
        margin-top: 15px;
        flex-direction: column;
        align-items: center;
    }
    .main-nav ul li {
        margin-left: 0;
        margin-bottom: 10px;
    }
    .hero-section h1 {
        font-size: 36px;
    }
    .hero-section p {
        font-size: 18px;
    }
    .section-title {
        font-size: 28px;
    }
}

/* Sadece Ürünler menüsünü etkiler */
nav.main-nav .products-dropdown {
    position: relative;
}

nav.main-nav .products-dropdown > .submenu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: #fff;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
    border-radius: 6px;
    padding: 0;
    margin: 0;
    z-index: 999;
}

nav.main-nav .products-dropdown:hover > .submenu {
    display: block;
}

nav.main-nav .products-dropdown .submenu li {
    list-style: none;
    position: relative;
}

nav.main-nav .products-dropdown .submenu li a {
    display: block;
    padding: 10px 16px;
    color: #222;
    text-decoration: none;
    background: #fff;
    white-space: nowrap;
    transition: background 0.2s ease;
}

nav.main-nav .products-dropdown .submenu li a:hover {
    background: #f5f5f5;
}

nav.main-nav .products-dropdown .has-submenu:hover > .submenu {
    display: block;
}

nav.main-nav .products-dropdown .has-submenu > .submenu {
    display: none;
    position: absolute;
    top: 0;
    left: 100%;
    min-width: 200px;
    background: #fff;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    border-radius: 6px;
}

.solutions-grid {
  display: grid;
  gap: 30px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  margin-top: 40px;
}
.solution-card {
  position: relative;
  overflow: hidden;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
  transition: all 0.3s ease;
  cursor: pointer;
}
.solution-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.solution-card:hover img {
  transform: scale(1.05);
}
.solution-overlay {
  position: absolute;
  bottom: 0;
  background: rgba(0,0,0,0.6);
  color: #fff;
  padding: 20px;
  width: 100%;
}
.solution-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 5px;
}
.solution-description {
  font-size: 14px;
  opacity: 0.9;
}
.solution-link a {
  margin-top: 10px;
  display: inline-block;
}

@media (max-width: 768px) {
    .hide-on-mobile {
        display: none !important;
    }
}