/* ============================= */
/* GENEL STİLLER */
/* ============================= */
:root {
    --dark-navy: #0a2540;
    --blue: #0056b3;
    --light-gray: #f8f9fa;
    --yellow: #ffc107;
    --text-on-dark: #ffffff;
    --stroke: rgba(255, 255, 255, 0.1);
    --transition: all 0.3s ease;
    --box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #fff;
    color: #333;
    line-height: 1.6;
}

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

/* ============================= */
/* HERO SECTION */
/* ============================= */
.hero {
    background: linear-gradient(135deg, var(--dark-navy) 0%, var(--blue) 100%);
    color: white;
    padding: 80px 0 60px;
    text-align: center;
    margin-bottom: 60px;
    border-radius: 0 0 20px 20px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    background: url('https://images.unsplash.com/photo-1563013544-824ae1b704d3?ixlib=rb-4.0.3&auto=format&fit=crop&w=800&q=80') no-repeat center/cover;
    opacity: 0.2;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: 0;
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease;
}

.hero p {
    max-width: 600px;
    margin: 0 auto 30px;
    font-size: 1.2rem;
    opacity: 0.9;
    animation: fadeInUp 1.2s ease;
}

.hero-btn {
    display: inline-block;
    background: var(--yellow);
    color: var(--dark-navy);
    padding: 12px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1rem;
    transition: var(--transition);
    animation: fadeInUp 1.4s ease;
}

.hero-btn:hover {
    background: white;
    transform: translateY(-3px);
    box-shadow: var(--box-shadow);
}

/* ============================= */
/* HİZMET DETAY */
/* ============================= */
.service-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    margin-bottom: 100px;
}

.service-content h2 {
    font-size: 2.2rem;
    margin-bottom: 20px;
    color: #2c3e50;
}

.service-content p {
    margin-bottom: 20px;
    color: #555;
    line-height: 1.8;
}

.service-content .btn {
    display: inline-block;
    background: var(--blue);
    color: white;
    padding: 12px 30px;
    border-radius: 6px;
    text-decoration: none;
    transition: var(--transition);
}

.service-content .btn:hover {
    background: #003f88;
}

.service-image img {
    width: 100%;
    max-width: 450px;
    border-radius: 15px;
    box-shadow: var(--box-shadow);
    display: block;
    margin: 0 auto;
}

/* ============================= */
/* PLATFORMLAR */
/* ============================= */
.platforms {
    padding: 80px 20px;
    background: var(--dark-navy);
    border-radius: 20px;
    margin-bottom: 80px;
    width: 100%;
    box-sizing: border-box;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--yellow);
    margin-bottom: 60px;
    text-shadow: 2px 2px 6px rgba(0,0,0,0.3);
}

.platform-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.platform-card {
    background: #fff;
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.platform-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.2);
}

.platform-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
}

.platform-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.platform-card h3 {
    margin-bottom: 15px;
    font-size: 1.4rem;
    color: #2c3e50;
    font-weight: 700;
}

.platform-card p {
    margin-bottom: 20px;
    font-size: 1rem;
    color: #555;
    font-weight: 500;
}

.platform-features {
    list-style: none;
    text-align: left;
    padding-left: 0;
}

.platform-features li {
    margin-bottom: 10px;
    position: relative;
    padding-left: 20px;
    color: #2c3e50;
    font-weight: 500;
}

.platform-features li::before {
    content: "✔";
    position: absolute;
    left: 0;
    color: var(--yellow);
}

/* ============================= */
/* ENTEGRASYON */
/* ============================= */
.integration {
    margin-bottom: 80px;
    background: #fff;
    padding: 60px 20px;
}

.integration-content h2 {
    text-align: center;
    font-size: 2rem;
    color: #2c3e50;
    margin-bottom: 30px;
}

.integration-content p {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 40px;
    color: #555;
}

.integration-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}

.integration-item {
    background: var(--light-gray);
    border-radius: 15px;
    padding: 25px 20px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.integration-item i {
    font-size: 35px;
    color: var(--blue);
    margin-bottom: 15px;
}

.integration-item:hover {
    transform: translateY(-5px);
}

/* ============================= */
/* E-TİCARET YÖNETİMİ HİZMETLERİ */
/* ============================= */
.management {
    background: var(--dark-navy);
    padding: 80px 20px;
    width: 100%;
    box-sizing: border-box;
    border-radius: 20px;
}

.srvc-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.srvc-item {
    background: #fff;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.srvc-item:hover {
    transform: translateY(-5px);
}

.srvc-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #ffc107 0%, #ffc107 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    color: white;
    font-size: 24px;
}

.srvc-item h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: #2c3e50;
}

.srvc-item p {
    color: #555;
    font-size: 0.95rem;
}

/* ============================= */
/* ÇALIŞMA SÜRECİ */
/* ============================= */
.process {
    margin-bottom: 80px;
}

.process-steps {
    display: flex;
    justify-content: space-between;
    position: relative;
}

.process-steps::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--blue);
    z-index: 0;
}

.step {
    position: relative;
    z-index: 1;
    background: #fff;
    padding: 20px;
    text-align: center;
    width: 22%;
    border-radius: 15px;
    box-shadow: var(--box-shadow);
}

.step-number {
    width: 40px;
    height: 40px;
    background: var(--blue);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 10px;
    font-weight: bold;
    position: relative;
}

.section-title2 {
    color: var(--dark-navy);
    text-align: center;
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 50px;
}

/* ============================= */
/* CTA */
/* ============================= */
.cta-section {
    text-align: center;
    padding: 60px 20px;
    background: var(--white);
    color: var(--dark-navy);
    width: 100%;
    border-radius: 15px;
    box-shadow: var(--box-shadow);
}

.cta-section h2 {
    font-size: 2rem;
    margin-bottom: 15px;
}

.cta-section p {
    font-size: 1rem;
    margin-bottom: 25px;
    opacity: 0.9;
}

.cta-btn {
    background: var(--yellow);
    color: var(--dark-navy);
    padding: 12px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    transition: var(--transition);
}

.cta-btn:hover {
    background: white;
    transform: translateY(-3px);
    box-shadow: var(--box-shadow);
}

/* ============================= */
/* ANİMASYON */
/* ============================= */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================= */
/* RESPONSIVE TASARIM */
/* ============================= */

/* Tablet (992px ve altı) */
@media (max-width: 992px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .service-detail {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .service-image img {
        max-width: 350px;
    }

    .srvc-grid {
        grid-template-columns: 1fr 1fr;
    }

    .integration-grid {
        grid-template-columns: 1fr 1fr;
    }

    .process-steps {
        flex-direction: column;
        gap: 30px;
    }

    .process-steps::before {
        display: none;
    }

    .step {
        width: 100%;
    }
}

/* Küçük Tablet (768px ve altı) */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }

    .platform-grid {
        grid-template-columns: 1fr;
    }

    .srvc-grid {
        grid-template-columns: 1fr;
    }

    .integration-grid {
        grid-template-columns: 1fr;
    }
}

/* Telefon (576px ve altı) */
@media (max-width: 576px) {
    .hero {
        padding: 60px 0 40px;
    }

    .hero h1 {
        font-size: 1.8rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .service-content h2 {
        font-size: 1.8rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .srvc-item h3 {
        font-size: 1rem;
    }

    .srvc-item p {
        font-size: 0.85rem;
    }
}

/* Küçük Telefon (400px ve altı) */
@media (max-width: 400px) {
    .hero h1 {
        font-size: 1.5rem;
    }

    .cta-section h2 {
        font-size: 1.5rem;
    }

    .cta-btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
}