/* ======================================== */
/* Empak Paketleme - Açık Gri Kurumsal Tema */
/* ======================================== */

:root {
    --primary-color: #b30000; /* Az kullanılan kırmızı vurgu */
    --background-color: #f2f2f2; /* Sayfa genel açık gri */
    --card-bg-color: #ffffff; /* Beyaz kart */
    --text-color: #1f1f1f; /* Koyu gri metin */
    --heading-color: #111111; /* Başlık koyu */
    --border-color: #d8d8d8; /* Hafif gri çizgi */
    --font-stack: 'Inter', sans-serif;
}

/* GENEL */
body {
    background-color: var(--background-color);
    font-family: var(--font-stack);
    color: var(--text-color);
    margin: 0;
    padding: 0;
}

a {
    text-decoration: none;
    color: var(--text-color);
}

/* HEADER */
header {
    background-color: var(--card-bg-color);
    padding: 15px 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    font-size: 1.7em;
    font-weight: 700;
    color: var(--heading-color);
}

.menu {
    list-style: none;
    display: flex;
}

.menu li {
    margin-left: 22px;
}

.menu a {
    font-weight: 600;
    color: var(--text-color);
    padding-bottom: 3px;
    position: relative;
}

.menu a:hover::after,
.menu a.active::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -4px;
    width: 100%;
    height: 2px;
    background-color: var(--primary-color); /* İnce kırmızı çizgi */
}

/* BÖLÜMLER */
section {
    padding: 60px 5%;
    max-width: 1200px;
    margin: auto;
}

h2 {
    font-size: 2.1em;
    text-align: center;
    color: var(--heading-color);
    margin-bottom: 45px;
}

h3 {
    color: var(--heading-color);
}

/* BUTONLAR */
.btn {
    display: inline-block;
    padding: 10px 20px;
    background-color: var(--heading-color); /* Siyah-gri buton */
    color: #ffffff;
    border-radius: 5px;
    font-weight: 600;
    border: none;
    transition: 0.25s ease;
}

.btn:hover {
    background-color: var(--primary-color); /* Hover kırmızı */
}

/* ================================================= */
/*                BANNER - GÜNCELLENMİŞ               */
/* ================================================= */

.banner {
    background-image: linear-gradient(rgba(0, 0, 0, 0.35), rgba(0, 0, 0, 0.55)),
                      url('../images/empak_makine.jpg');
    background-size: cover;
    background-position: center;
    height: 70vh;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    text-align: left;
    padding: 0 5%;
}

.banner h1,
.banner p {
    color: #f5f5f5 !important; /* Çok açık gri – okunabilir */
    text-shadow: 0 0 9px rgba(0, 0, 0, 0.45);
}

.banner .btn {
    background-color: #d10000 !important;
    color: #fff !important;
    font-weight: bold;
    padding: 12px 26px;
    border-radius: 8px;
}

.banner .btn:hover {
    background-color: #a80000 !important;
}

/* DEĞERLER */
.core-values {
    background-color: #ececec;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 70px 5%;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
}

.value-item {
    background-color: var(--card-bg-color);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.06);
    transition: 0.3s ease;
}

.value-item:hover {
    transform: translateY(-4px);
}

.value-item i {
    font-size: 2.6em;
    color: var(--primary-color);
}

/* ÜRÜNLER */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
}

.product-card {
    background-color: var(--card-bg-color);
    padding: 20px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: 0.3s ease;
    box-shadow: 0 3px 12px rgba(0,0,0,0.06);
}

.product-card:hover {
    transform: translateY(-4px);
}

.product-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 6px;
}

/* FOOTER */
footer {
    background-color: var(--card-bg-color);
    border-top: 1px solid var(--border-color);
    text-align: center;
    padding: 25px 5%;
}

footer p {
    color: #666;
}
/* ================================================= */
/*                MOBİL UYUMLULUK                   */
/* ================================================= */

/* Hamburger icon mobilde göster, desktop gizle */
.hamburger {
    display: none;
    font-size: 1.8em;
    cursor: pointer;
    color: var(--heading-color);
}

/* Menü responsive */
@media (max-width: 768px) {
    header {
        flex-wrap: wrap;
        padding: 15px 5%;
    }

    .menu {
        flex-direction: column;
        width: 100%;
        display: none; /* Başlangıçta gizli */
        margin-top: 10px;
    }

    .menu li {
        margin: 15px 0;
    }

    .menu.active {
        display: flex;
    }

    .hamburger {
        display: block;
    }

    /* Banner mobil */
    .banner {
        height: 60vh;
        padding: 0 5%;
        justify-content: center;
        text-align: center;
    }

    .banner h1 {
        font-size: 1.7em;
    }

    .banner p {
        font-size: 1em;
    }

    .banner .btn {
        padding: 10px 20px;
        margin-top: 10px;
    }

    /* Core Values / Değerler */
    .values-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    /* Ürünler */
    .product-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .product-card img {
        height: 180px;
    }
}

/* Daha küçük ekranlar (max-width: 480px) */
@media (max-width: 480px) {
    .banner h1 {
        font-size: 1.5em;
    }

    .banner p {
        font-size: 0.95em;
    }

    .btn {
        font-size: 0.9em;
        padding: 8px 16px;
    }

    .value-item i {
        font-size: 2em;
    }

    footer p {
        font-size: 0.9em;
    }
}
/* HAMBURGER MENÜ - MOBİL */
.hamburger {
    display: none;
    font-size: 1.8em;
    cursor: pointer;
}

/* 768px altı için hamburger aktif */
@media (max-width: 768px) {
    .menu {
        display: none; /* Menü gizli */
        flex-direction: column;
        position: absolute;
        top: 65px; /* header yüksekliği kadar */
        left: 0;
        width: 100%;
        background-color: #fff;
        border-top: 1px solid #ddd;
        padding: 15px 0;
        z-index: 999;
    }

    .menu.active {
        display: flex; /* Hamburger tıklayınca göster */
    }

    .menu li {
        margin: 10px 0;
        text-align: center;
    }

    .hamburger {
        display: block; /* Mobilde hamburger görünür */
        color: var(--text-color);
    }
}
/* Tecrübe ve Belgeler */
.experience-certificates {
    padding: 60px 20px;
    background-color: #f9f9f9;
    text-align: center;
}
.experience-certificates h2 {
    font-size: 2em;
    margin-bottom: 15px;
}
.experience-certificates p {
    font-size: 1.1em;
    margin-bottom: 40px;
}
.certificates-grid {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}
.certificate-item img {
    width: 100px;
    height: auto;
    display: block;
    margin: 0 auto 10px;
}
.certificate-item p {
    font-size: 0.95em;
}

/* Dünya Haritası */
.export-map {
    padding: 60px 20px;
    background-color: #fff;
    text-align: center;
}
.export-map h2 {
    font-size: 2em;
    margin-bottom: 15px;
}
.export-map p {
    font-size: 1.1em;
    margin-bottom: 30px;
}
.banner {
    position: relative;
    height: 500px;
    overflow: hidden;
}

.banner-slider {
    display: flex;
    width: calc(100% * 2); /* 2 slide var, ihtiyaca göre değiştir */
    transition: transform 0.6s ease-in-out;
}

.slide {
    flex: 0 0 100%;
    position: relative;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slide .banner-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: #fff;
}

.slider-controls {
    position: absolute;
    top: 50%;
    width: 100%;
    display: flex;
    justify-content: space-between;
    transform: translateY(-50%);
    padding: 0 20px;
    z-index: 10;
}

.slider-controls span {
    font-size: 2em;
    color: #fff;
    cursor: pointer;
}