@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* ========== RESET & DEĞİŞKENLER ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --turkuaz: #00BFFF;
    --turkuaz-dark: #0099cc;
    --dark: #1a1a1a;
    --light: #f8f9fa;
    --gray: #6c757d;
    --shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 20px 45px rgba(0, 180, 255, 0.25);
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--light);
    color: #333;
    line-height: 1.6;
    overflow-x: hidden;
}

        /* ========== TİPOGRAFİ ========== */
        h1,
        h2,
        h3 {
            font-weight: 700;
            line-height: 1.2;
        }

        /* ========== HEADER (STICKY + GLASS) ========== */
        header {
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 14px 5%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
        }

        .logo {
            font-size: 26px;
            font-weight: 800;
            color: var(--turkuaz);
            letter-spacing: -0.5px;
        }

        nav {
            display: flex;
            gap: 28px;
        }

        nav a {
            text-decoration: none;
            color: #333;
            font-weight: 500;
            transition: 0.3s;
            font-size: 1rem;
        }

        nav a:hover {
            color: var(--turkuaz);
        }

        .header-right {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .phone-link {
            color: #333;
            font-weight: 600;
            text-decoration: none;
            font-size: 0.95rem;
        }

        .whatsapp-small {
            background: #25D366;
            color: white;
            padding: 8px 18px;
            border-radius: 50px;
            text-decoration: none;
            font-size: 0.9rem;
            font-weight: 600;
            transition: 0.3s;
        }

        .whatsapp-small:hover {
            background: #128C7E;
            transform: scale(1.02);
        }

        .mobile-menu-btn {
            display: none;
            font-size: 28px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 5px 10px;
        }

        /* ========== MOBILE NAV ========== */
        #mobileNav {
            position: fixed;
            top: 70px;
            left: 0;
            right: 0;
            background: white;
            padding: 20px;
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
            z-index: 999;
            border-radius: 0 0 20px 20px;
        }

        #mobileNav a {
            display: block;
            padding: 14px 0;
            border-bottom: 1px solid #eee;
            color: #333;
            text-decoration: none;
            font-size: 1.1rem;
            font-weight: 500;
        }

        #mobileNav a:last-child {
            border-bottom: none;
        }

        /* ========== HERO ========== */
        .hero {
            min-height: 85vh;
            background: linear-gradient(135deg, rgba(0, 0, 0, 0.65), rgba(0, 0, 0, 0.5)),
                url('../img/C48nP.jpg') center/cover no-repeat;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            color: white;
            padding: 60px 20px;
        }

        .hero-content {
            max-width: 900px;
            padding: 0 16px;
        }

        .hero h1 {
            font-size: 3.2rem;
            margin-bottom: 20px;
            text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
        }

        .hero p {
            font-size: 1.35rem;
            margin-bottom: 35px;
            opacity: 0.95;
        }

        /* ========== BUTONLAR ========== */
        .btn {
            padding: 14px 32px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            text-decoration: none;
            display: inline-block;
            transition: all 0.3s ease;
            margin: 8px;
            cursor: pointer;
            border: none;
        }

        .btn-primary {
            background: var(--turkuaz);
            color: white;
            box-shadow: 0 4px 12px rgba(0, 191, 255, 0.3);
        }

        .btn-primary:hover {
            background: var(--turkuaz-dark);
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(0, 191, 255, 0.4);
        }

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

        .btn-secondary:hover {
            background: white;
            color: var(--turkuaz);
            transform: translateY(-3px);
        }

        /* ========== BÖLÜMLER ========== */
        section {
            padding: 80px 5%;
        }

        .section-title {
            text-align: center;
            font-size: 2.4rem;
            margin-bottom: 60px;
            color: var(--dark);
            position: relative;
        }

        .section-title:after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: var(--turkuaz);
            margin: 15px auto 0;
            border-radius: 2px;
        }

        /* ========== ÜRÜNLER GRİD (8 ÜRÜN İÇİN OPTİMİZE) ========== */
        .products-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            /* 4 kolon */
            gap: 30px;
            max-width: 1400px;
            margin: 0 auto;
        }

        /* 1200px ve altı: 3 kolon */
        @media (max-width: 1200px) {
            .products-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 25px;
                max-width: 1000px;
            }
        }

        /* 900px ve altı: 2 kolon */
        @media (max-width: 900px) {
            .products-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
                max-width: 700px;
            }
        }

        /* 550px ve altı: 1 kolon */
        @media (max-width: 550px) {
            .products-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* Kart stilleri (zaten varsa değiştirmeyin) */
        .card {
            position: relative;
            background: white;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all 0.4s cubic-bezier(0.2, 0.9, 0.4, 1.1);
        }

        .new-badge {
            position: absolute;
            top: 15px;
            right: 15px;
            background: #FF3B30;
            color: white;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 700;
            z-index: 2;
            box-shadow: 0 4px 10px rgba(255, 59, 48, 0.4);
            letter-spacing: 0.5px;
        }

        .card:hover {
            transform: translateY(-10px);
            box-shadow: var(--shadow-hover);
        }

        .card img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            transition: transform 0.5s;
        }

        .card:hover img {
            transform: scale(1.03);
        }

        .card-content {
            padding: 24px;
            text-align: center;
        }

        .card-content h3 {
            margin-bottom: 8px;
            font-size: 1.2rem;
        }

        .card-content p {
            color: var(--gray);
            font-size: 0.85rem;
        }

        /* ========== NEDEN BİZ ========== */
        .why-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 30px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .why-card {
            background: white;
            text-align: center;
            padding: 35px 20px;
            border-radius: 20px;
            box-shadow: var(--shadow);
            transition: 0.3s;
        }

        .why-card:hover {
            transform: translateY(-8px);
        }

        .why-card h3 {
            font-size: 1.5rem;
            margin-bottom: 12px;
            color: var(--turkuaz);
        }

        /* ========== REFERANSLAR 4'LÜ GRİD ========== */
        .references-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            max-width: 1400px;
            margin: 0 auto;
        }

        .ref-card {
            background: white;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all 0.4s cubic-bezier(0.2, 0.9, 0.4, 1.1);
        }

        .ref-card:hover {
            transform: translateY(-10px);
            box-shadow: var(--shadow-hover);
        }

        .ref-image {
            width: 100%;
            height: 220px;
            overflow: hidden;
        }

        .ref-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }

        .ref-card:hover .ref-image img {
            transform: scale(1.05);
        }

        .ref-content {
            padding: 22px;
            text-align: center;
        }

        .ref-content h3 {
            font-size: 1.2rem;
            margin-bottom: 12px;
            color: var(--dark);
        }

        .ref-content p {
            color: var(--gray);
            font-size: 0.85rem;
            line-height: 1.5;
            margin-bottom: 15px;
        }

        .ref-badge {
            display: inline-block;
            background: rgba(0, 191, 255, 0.1);
            color: var(--turkuaz);
            padding: 6px 14px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
        }

        /* ========== ÜRETİM ========== */
        .production-img {
            width: 100%;
            max-width: 1000px;
            border-radius: 24px;
            box-shadow: var(--shadow);
            margin-bottom: 50px;
            display: block;
            margin-left: auto;
            margin-right: auto;
        }

        .process-steps {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            justify-content: center;
            text-align: center;
            max-width: 1000px;
            margin: 0 auto;
        }

        .step {
            flex: 1;
            min-width: 160px;
            padding: 20px;
            background: white;
            border-radius: 16px;
            box-shadow: var(--shadow);
        }

        .step h3 {
            color: var(--turkuaz);
            margin-bottom: 10px;
            font-size: 1.3rem;
        }

        /* ========== İLETİŞİM ========== */
        .contact-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 50px;
            max-width: 1200px;
            margin: 0 auto;
        }

        form {
            background: white;
            padding: 40px;
            border-radius: 24px;
            box-shadow: var(--shadow);
        }

        .form-group {
            margin-bottom: 20px;
        }

        input,
        textarea {
            width: 100%;
            padding: 14px 18px;
            border: 1px solid #ddd;
            border-radius: 12px;
            font-size: 1rem;
            font-family: inherit;
            transition: 0.3s;
        }

        input:focus,
        textarea:focus {
            outline: none;
            border-color: var(--turkuaz);
            box-shadow: 0 0 0 3px rgba(0, 191, 255, 0.1);
        }

        button[type="submit"] {
            width: 100%;
            padding: 14px;
            background: var(--turkuaz);
            color: white;
            border: none;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: 0.3s;
        }

        button[type="submit"]:hover {
            background: var(--turkuaz-dark);
            transform: translateY(-2px);
        }

        .contact-info {
            background: white;
            padding: 40px;
            border-radius: 24px;
            box-shadow: var(--shadow);
        }

        .contact-info h3 {
            color: var(--turkuaz);
            margin-bottom: 25px;
            font-size: 1.5rem;
        }

        .contact-info p {
            margin-bottom: 15px;
        }

        .contact-info a {
            color: var(--turkuaz);
            text-decoration: none;
        }

        .map-container {
            margin-top: 30px;
            border-radius: 16px;
            overflow: hidden;
        }

        .map-container iframe {
            width: 100%;
            height: 280px;
            border: 0;
        }

        /* ========== FOOTER ========== */
        footer {
            background: var(--dark);
            color: #ccc;
            padding: 60px 5% 30px;
            text-align: center;
        }

        footer p:first-child {
            font-size: 1.8rem;
            color: var(--turkuaz);
            margin-bottom: 15px;
            font-weight: 700;
        }

        /* ========== FLOATING WHATSAPP ========== */
        .floating-whatsapp {
            position: fixed;
            bottom: 25px;
            right: 25px;
            background: #25D366;
            color: white;
            width: 65px;
            height: 65px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 32px;
            box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
            z-index: 9999;
            text-decoration: none;
            transition: 0.3s;
        }

        .floating-whatsapp:hover {
            transform: scale(1.08);
            background: #128C7E;
        }

        /* ========== MODAL ========== */
        .modal {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.8);
            z-index: 10000;
            align-items: center;
            justify-content: center;
            backdrop-filter: blur(4px);
        }

        .modal-content {
            background: white;
            padding: 35px 30px;
            border-radius: 28px;
            width: 90%;
            max-width: 420px;
            text-align: center;
        }

        .modal-content h2 {
            margin-bottom: 20px;
            color: var(--turkuaz);
        }

        .close-modal-btn {
            margin-top: 15px;
            background: none;
            border: none;
            color: var(--gray);
            cursor: pointer;
            font-size: 0.9rem;
        }

        /* ========== BİLDİRİM (TOAST) ========== */
        .toast-notification {
            position: fixed;
            bottom: 100px;
            right: 25px;
            background: #28a745;
            color: white;
            padding: 12px 24px;
            border-radius: 50px;
            font-size: 0.9rem;
            z-index: 10001;
            animation: slideIn 0.3s ease;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
        }

        .toast-notification.error {
            background: #dc3545;
        }

        @keyframes slideIn {
            from {
                transform: translateX(100%);
                opacity: 0;
            }

            to {
                transform: translateX(0);
                opacity: 1;
            }
        }

        /* ========== MOBİL RESPONSIVE ========== */
        @media (max-width: 1100px) {
            .references-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 25px;
            }
        }

        @media (max-width: 992px) {
            nav {
                display: none;
            }

            .mobile-menu-btn {
                display: block;
            }

            .hero h1 {
                font-size: 2.5rem;
            }
        }

        @media (max-width: 768px) {
            section {
                padding: 60px 20px;
            }

            .section-title {
                font-size: 1.9rem;
                margin-bottom: 40px;
            }

            .hero {
                min-height: 70vh;
                padding: 50px 20px;
            }

            .hero h1 {
                font-size: 2rem;
            }

            .hero p {
                font-size: 1.1rem;
            }

            .btn {
                padding: 12px 24px;
                margin: 6px;
                width: auto;
            }

            .hero-content div {
                display: flex;
                flex-direction: column;
                align-items: center;
            }

            .btn {
                width: 80%;
            }

            .contact-grid {
                grid-template-columns: 1fr;
                gap: 35px;
            }

            form,
            .contact-info {
                padding: 28px 22px;
            }

            .phone-link {
                display: none;
            }

            .whatsapp-small {
                padding: 6px 14px;
                font-size: 0.8rem;
            }

            .logo {
                font-size: 22px;
            }
        }

        @media (max-width: 576px) {
            .hero h1 {
                font-size: 1.7rem;
            }

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

            .products-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

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

            .references-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .ref-image {
                height: 200px;
            }

            .ref-content {
                padding: 18px;
            }

            .ref-content h3 {
                font-size: 1.1rem;
            }

            .step {
                min-width: 100%;
            }

            .card img {
                height: 190px;
            }

            .floating-whatsapp {
                width: 54px;
                height: 54px;
                font-size: 28px;
                bottom: 15px;
                right: 15px;
            }

            .modal-content {
                padding: 25px 20px;
                margin: 20px;
            }

            input,
            textarea {
                font-size: 16px;
            }

            .production-img {
                margin-bottom: 30px;
            }

            .process-steps {
                gap: 15px;
            }
        }

        @media (max-width: 380px) {
            .hero h1 {
                font-size: 1.5rem;
            }

            .section-title {
                font-size: 1.6rem;
            }

            .card-content {
                padding: 18px;
            }

            footer p:first-child {
                font-size: 1.5rem;
            }
        }

        @media (hover: none) {

            .card:hover,
            .ref-card:hover,
            .why-card:hover {
                transform: none;
            }

            .btn:hover {
                transform: none;
            }
        }