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

html {
    scroll-behavior: smooth;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    background: #f5f7fb;
    color: #1d1d1d;
}

a {
    text-decoration: none;
}

img {
    max-width: 100%;
    display: block;
}

/* ÜST MENÜ */

.navbar {
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 999;
    padding: 18px 8%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(8, 22, 48, 0.88);
    backdrop-filter: blur(12px);
}

.logo {
    color: white;
    font-size: 28px;
    font-weight: 800;
}

    .logo span {
        color: #ffbf00;
    }

.nav-links {
    display: flex;
    gap: 24px;
}

    .nav-links a {
        color: white;
        font-size: 15px;
        font-weight: 600;
        transition: 0.3s;
    }

        .nav-links a:hover {
            color: #ffbf00;
        }

.nav-call {
    background: #ffbf00;
    color: #111;
    padding: 12px 20px;
    border-radius: 30px;
    font-weight: 800;
}

/* HERO */

.hero {
    min-height: 100vh;
    background: linear-gradient(rgba(4, 15, 35, 0.68), rgba(4, 15, 35, 0.78)), url("/images/gorsel1.jpg");
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    padding: 120px 8% 70px;
    color: white;
}

.hero-box {
    max-width: 780px;
}

.mini-title {
    color: #ffbf00;
    font-weight: 800;
    font-size: 17px;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

    .mini-title.dark {
        color: #003566;
    }

.hero h1 {
    font-size: 76px;
    line-height: 1.05;
    margin-bottom: 22px;
}

.hero-text {
    font-size: 22px;
    line-height: 1.6;
    max-width: 700px;
    margin-bottom: 34px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 15px 28px;
    border-radius: 40px;
    font-weight: 800;
    transition: 0.3s;
}

    .btn:hover {
        transform: translateY(-3px);
    }

.primary {
    background: #ffbf00;
    color: #111;
}

.secondary {
    background: white;
    color: #003566;
}

.whatsapp-btn {
    background: #25d366;
    color: white;
}

/* İSTATİSTİK */

.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    background: #003566;
    color: white;
    padding: 35px 8%;
    gap: 20px;
    text-align: center;
}

    .stats h2 {
        color: #ffbf00;
        font-size: 32px;
        margin-bottom: 6px;
    }

    .stats p {
        font-weight: 600;
    }

/* GENEL SECTION */

.section {
    padding: 90px 8%;
}

.section-title {
    text-align: center;
    margin-bottom: 45px;
}

    .section-title p {
        color: #ffbf00;
        font-weight: 800;
        margin-bottom: 8px;
        text-transform: uppercase;
    }

    .section-title h2 {
        color: #003566;
        font-size: 42px;
    }

/* HİZMETLER */

.service-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}

.service-card {
    background: white;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.09);
    transition: 0.3s;
}

    .service-card:hover {
        transform: translateY(-10px);
    }

    .service-card img {
        width: 100%;
        height: 210px;
        object-fit: cover;
    }

    .service-card div {
        padding: 24px;
    }

    .service-card h3 {
        color: #003566;
        margin-bottom: 12px;
        font-size: 21px;
    }

    .service-card p {
        color: #555;
        line-height: 1.6;
    }

/* HAKKIMIZDA */

.about {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 55px;
    align-items: center;
    padding: 90px 8%;
    background: white;
}

.about-image img {
    border-radius: 28px;
    height: 520px;
    width: 100%;
    object-fit: cover;
    box-shadow: 0 18px 45px rgba(0, 0, 0, 0.18);
}

.about-text h2 {
    color: #003566;
    font-size: 44px;
    margin-bottom: 22px;
}

.about-text p {
    color: #444;
    line-height: 1.8;
    font-size: 18px;
    margin-bottom: 20px;
}

/* GALERİ */

.gallery-section {
    background: #f5f7fb;
}

.gallery {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 18px;
}

    .gallery img {
        width: 100%;
        height: 260px;
        object-fit: cover;
        border-radius: 22px;
        box-shadow: 0 12px 28px rgba(0,0,0,0.1);
    }

        .gallery img:first-child {
            grid-row: span 2;
            height: 538px;
        }

/* YORUMLAR */

.comments {
    background: white;
}

.comment-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
}

.comment-card {
    background: #f5f7fb;
    padding: 30px;
    border-radius: 22px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.06);
}

    .comment-card h3 {
        color: #ffbf00;
        margin-bottom: 15px;
    }

    .comment-card p {
        line-height: 1.7;
        color: #444;
        margin-bottom: 18px;
    }

    .comment-card strong {
        color: #003566;
    }

/* TEKLİF FORMU */

.offer {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    padding: 90px 8%;
    background: linear-gradient(rgba(0, 53, 102, 0.94), rgba(0, 29, 61, 0.96)), url("/images/gorsel5.jpg");
    background-size: cover;
    background-position: center;
    color: white;
}

.offer-left h2 {
    font-size: 44px;
    margin-bottom: 20px;
}

.offer-left p {
    line-height: 1.8;
    font-size: 18px;
}

.contact-box {
    margin-top: 30px;
    background: rgba(255,255,255,0.1);
    padding: 22px;
    border-radius: 20px;
}

    .contact-box a {
        color: #ffbf00;
        font-weight: bold;
    }

.offer-form-box {
    background: white;
    padding: 35px;
    border-radius: 26px;
    box-shadow: 0 18px 45px rgba(0,0,0,0.22);
}

.offer-form {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

    .offer-form input,
    .offer-form textarea,
    .offer-form select {
        width: 100%;
        padding: 16px;
        border: 1px solid #ddd;
        border-radius: 14px;
        font-size: 16px;
        outline: none;
    }

    .offer-form textarea {
        min-height: 130px;
        resize: vertical;
    }

        .offer-form input:focus,
        .offer-form textarea:focus,
        .offer-form select:focus {
            border-color: #ffbf00;
        }

    .offer-form span {
        color: #d90429;
        font-size: 14px;
    }

    .offer-form button {
        padding: 16px;
        border: none;
        border-radius: 14px;
        background: #ffbf00;
        color: #111;
        font-size: 18px;
        font-weight: 900;
        cursor: pointer;
        transition: 0.3s;
    }

        .offer-form button:hover {
            background: #e5aa00;
        }

.success {
    background: #d4edda;
    color: #155724;
    padding: 15px;
    border-radius: 14px;
    margin-bottom: 18px;
    font-weight: bold;
}

/* SON İLETİŞİM */

.contact-final {
    text-align: center;
    padding: 80px 8%;
    background: white;
}

    .contact-final h2 {
        color: #003566;
        font-size: 42px;
        margin-bottom: 15px;
    }

    .contact-final p {
        font-size: 18px;
        color: #444;
        margin-bottom: 25px;
    }

.final-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
}

/* WHATSAPP SABİT BUTON */

.whatsapp {
    position: fixed;
    right: 22px;
    bottom: 22px;
    z-index: 999;
    background: #25d366;
    color: white;
    padding: 15px 22px;
    border-radius: 50px;
    font-weight: 900;
    box-shadow: 0 12px 30px rgba(0,0,0,0.25);
}

/* FOOTER */

.footer {
    background: #081630;
    color: white;
    text-align: center;
    padding: 40px 8%;
}

    .footer h3 {
        font-size: 28px;
        color: #ffbf00;
        margin-bottom: 10px;
    }

    .footer p {
        margin: 8px 0;
    }

.copy {
    color: #aaa;
    margin-top: 18px;
}

/* MOBİL UYUMLULUK */

@media (max-width: 1100px) {
    .service-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .nav-links {
        display: none;
    }

    .hero h1 {
        font-size: 58px;
    }
}

@media (max-width: 850px) {
    .stats {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

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

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

        .gallery img:first-child {
            grid-row: auto;
            height: 260px;
        }
}

@media (max-width: 600px) {
    .navbar {
        padding: 15px 5%;
    }

    .logo {
        font-size: 24px;
    }

    .nav-call {
        padding: 10px 14px;
        font-size: 14px;
    }

    .hero {
        padding: 110px 6% 60px;
        text-align: center;
    }

        .hero h1 {
            font-size: 42px;
        }

    .hero-text {
        font-size: 17px;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

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

    .section,
    .about,
    .offer,
    .contact-final {
        padding: 60px 6%;
    }

        .section-title h2,
        .about-text h2,
        .offer-left h2,
        .contact-final h2 {
            font-size: 32px;
        }

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

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

        .gallery img,
        .gallery img:first-child {
            height: 240px;
        }

    .final-buttons {
        flex-direction: column;
    }

    .whatsapp {
        right: 14px;
        bottom: 14px;
        padding: 13px 18px;
        font-size: 14px;
    }
}