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

body {
    font-family: 'Inter', sans-serif;
    background: #0f172a;
    color: #f1f5f9;
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: auto;
}

/* Navbar */

.navbar {
    background: #ffffff;   /* Beyaz arka plan */
    padding: 20px 0;
    position: relative;    /* absolute yerine relative */
    width: 100%;
    z-index: 10;
    border-bottom: 1px solid rgba(0,0,0,0.05); /* Hafif premium çizgi */
}


.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo {
    height: 50px;
}


/* Hero Section */


.hero {
    position: relative;
    min-height: 100vh; /* Tam ekran */
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}




/* Banner + Gradient Overlay */
.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        linear-gradient(rgba(15,23,42,0.88), rgba(15,23,42,0.92)),
        url("banner.jpg") center/cover no-repeat;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 2;
}


.hero h1 {
    font-size: 56px;
    margin-bottom: 20px;
    font-weight: 700;
}

.hero p {
    font-size: 18px;
    margin-bottom: 30px;
    color: #cbd5e1;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
}

/* Buttons */

.btn-primary {
    background: #1e3a8a;
    padding: 12px 28px;
    color: white;
    text-decoration: none;
    border-radius: 8px;
    transition: 0.3s ease;
    font-weight: 600;
}

.btn-primary:hover {
    background: #2563eb;
    transform: translateY(-2px);
}
.btn-secondary {
    display: inline-block;
    margin-top: 20px;
    background: #1e3a8a;
    color: #ffffff;
    padding: 12px 28px;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: 0.3s ease;
}

.btn-secondary:hover {
    background: #2563eb;
    transform: translateY(-2px);
}
/* About */

.about {
    text-align: center;
        padding: 120px 0;
    background: #ffffff; /* Ana koyu lacivert */
    
}

.about h2 {
    margin-bottom: 20px;
}

/* Services */

.services {
    padding: 120px 0;
    background: linear-gradient(to bottom, #111827, #0b1220);
    border-top: 1px solid rgba(255,255,255,0.05);
}

.services h2 {
    text-align: center;
    margin-bottom: 50px;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr); /* 3 kolon */
    gap: 30px;
}


.card {
    background: #1e293b;
    padding: 30px;
    border-radius: 12px;
    transition: 0.3s ease;
}

.card:hover {
    transform: translateY(-6px);
    background: #334155;
}

/* CTA */

.cta {
    padding: 120px 0;
    text-align: center;
    background: #f8fafc;   /* Kırık beyaz */
}

.cta h2 {
    color: #0f172a;
}



/* Footer */

footer {
    padding: 50px 0;
    background: #0b1120;
    text-align: center;
    font-size: 14px;
    color: #94a3b8;
}

footer a {
    color: #cbd5e1;
    text-decoration: none;
}



.about {
    padding: 120px 0;
    background: #f8fafc;   /* Kırık beyaz */
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: center;
}

.about-left h2 {
    font-size: 32px;
    margin-bottom: 30px;
    color: #0f172a;
}

.about-image {
    width: 100%;
    border-radius: 12px;
    margin-top: 10px;
    opacity: 0.9;
}

.about-right p {
    margin-bottom: 20px;
    color: #475569;
    font-size: 16px;
    line-height: 1.8;
}


/* Responsive */

@media (max-width: 768px) {
    .nav-content {
        flex-direction: column;
        gap: 15px;
    }

    .logo {
        height: 45px;
    }

        .hero {
        min-height: 85vh;
        padding: 100px 20px;
    }

    .hero h1 {
        font-size: 32px;
        line-height: 1.3;
    }

    .hero p {
        font-size: 16px;
    }

    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-left {
        text-align: center;
    }

    .about-image {
        max-width: 80%;
        margin: 0 auto;
    }

    .cta {
        padding: 80px 20px;
    }

    .cta h2 {
        font-size: 24px;
    }
        footer {
        font-size: 13px;
        padding: 40px 20px;
    }

}


@media (max-width: 992px) {
    .service-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .service-grid {
        grid-template-columns: 1fr;
    }
}