:root {
    --bg: #0f1720; /* daha nötr koyu */
    --bg-soft: #131e29; /* section arkaplanı */

    --card: #1b2a36; /* koyu ama mavi değil */
    --card-light: #223746; /* hover/alt ton */
    /*--accent: #4da3ff;*/ /* canlı modern mavi */
    /*--accent-soft: #7cc4ff;*/
    --accent: #f59e0b; /* header buton sarısı */
    --accent-soft: #fbbf24;
    --energy: #ffb347; /* amber */
    --energy-soft: #ffd089;
    --text: #f1f6fa;
    --muted: #a9c0cf;
}
* {
    box-sizing: border-box;
}
html, body {
    height: 100%;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.main-content {
    flex: 1;
}
body {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    /*    background: #0b1a24;*/
    background: var(--bg);
    color: var(--text);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Container */
.container {
    width: 90%;
    max-width: 1200px;
    margin: auto;
}

/* HEADER */
.header {
    width: 100%;
    position: relative;
    z-index: 1000;
    padding: 10px 0;
    /*background: rgba(5,12,27,.8);*/
    background: rgba(15,23,32,0.85);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text);
    text-decoration: none;
    font-weight: 600;
}
.logo-wrap {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

    .logo-wrap::before {
        content: "";
        position: absolute;
        inset: -25px -50px;
        background: radial-gradient( circle, rgba(77,163,255,0.25) 0%, rgba(77,163,255,0.1) 50%, transparent 100% );
        filter: blur(35px);
        z-index: 0;
        border-radius: 80px;
    }
    .logo-wrap img {
        position: relative;
        z-index: 1;
        height: 125px;
        display: block;
    }
/*    .logo-wrap:hover {
        box-shadow: 0 0 30px rgba(42,111,151,0.35);
    }*/

.logo-dot {
    width: 12px;
    height: 12px;
    background: var(--accent);
    border-radius: 50%;
    box-shadow: 0 0 15px var(--accent);
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 25px;
    flex-wrap: nowrap;
}
    .nav-links a {
        margin: 0 15px;
        color: var(--muted);
        text-decoration: none;
        white-space: nowrap; 
    }

    .nav-links a:hover {
        color: var(--text);
    }

.nav-cta {
    border: 1px solid var(--accent);
    padding: 10px 26px; /* yatay büyüttük */
    border-radius: 25px;
    color: var(--accent);
    text-decoration: none;
    display: inline-flex; /* önemli */
    align-items: center;
    justify-content: center;
    white-space: nowrap; /* yazı alta geçmez */
    min-width: max-content;
}

    .nav-cta:hover {
        /*        background: var(--accent);
        color: #000;*/
        background: var(--energy);
        color: #000;
        border-color: var(--energy);
    }
.nav-right {
    display: flex;
    align-items: center;
    gap: 15px;
}
/* HERO */
.hero {
    padding: 100px 0;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero h1 {
    font-size: 42px;
    line-height: 1.3;
}

.accent {
    color: var(--accent);
}

.badge {
    display: inline-block;
    background: rgba(0,212,255,.1);
    padding: 6px 14px;
    border-radius: 20px;
    margin-bottom: 20px;
    font-size: 12px;
    color: var(--accent);
}

.hero p {
    color: var(--muted);
    margin: 20px 0;
}

.btn-primary {
    /* background: var(--accent);
    color: #000;*/
    background: var(--accent);
    color: white;
    padding: 12px 20px;
    border-radius: 25px;
    text-decoration: none;
}

.btn-outline {
    border: 1px solid var(--muted);
    padding: 12px 20px;
    border-radius: 25px;
    margin-left: 10px;
    text-decoration: none;
    color: var(--text);
}

/* HERO CARD */
.hero-card {
    background: var(--card);
    padding: 40px;
    border-radius: 20px;
    position: relative;
}
.hero-slider-full {
    position: relative;
    width: 100%;
    height: 55vh; /* ÜST YARI */
    min-height: 420px; /* Çok küçülmesin */
    overflow: hidden;
}

.full-slides {
    display: flex;
    height: 100%;
    transition: transform 0.8s ease;
}
.slide {
    min-width: 100%;
    height: 55vh;
    min-height: 420px;
    display: flex;
    align-items: center;
    background: linear-gradient(rgba(11,26,36,.85), rgba(11,26,36,.85)), url('/images/about.jpg') center/cover no-repeat;
    /*    background: linear-gradient(rgba(5,12,27,.85), rgba(5,12,27,.85)), url('/images/anasayfa.jpg') center/cover no-repeat;
*/
}

.hero-content {
    max-width: 700px;
    padding-top: 40px;
}

.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0,0,0,0.4);
    border: none;
    color: white;
    font-size: 32px;
    padding: 10px 18px;
    cursor: pointer;
    border-radius: 50%;
}

    .slider-arrow.prev {
        left: 30px;
    }

    .slider-arrow.next {
        right: 30px;
    }
.card-glow {
    position: absolute;
    width: 200px;
    height: 200px;
    background: var(--accent);
    filter: blur(100px);
    opacity: .3;
    top: 30%;
    left: 30%;
}
.about-hero {
    height: 55vh;
    min-height: 420px;
    display: flex;
    align-items: center;
    background: linear-gradient( rgba(15,23,42,0.55), rgba(15,23,42,0.55) ), url('/images/about.jpg') center/cover no-repeat;
    color: white;
}

    .about-hero h1 {
        font-size: 48px;
        margin-bottom: 20px;
    }

    .about-hero p {
        max-width: 650px;
        font-size: 18px;
        opacity: 0.95;
    }
.about-intro {
    padding: 100px 0 40px 0;
}

    .about-intro h2 {
        margin-bottom: 20px;
    }
.about-features {
    padding: 80px 0 120px 0;
    background: var(--bg-soft);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.feature-card {
    background: var(--card);
    padding: 40px;
    border-radius: 22px;
    border: 1px solid rgba(15,23,42,0.06);
    box-shadow: 0 15px 40px rgba(15,23,42,0.05);
    transition: 0.3s ease;
}

    .feature-card:hover {
        transform: translateY(-6px);
        border: 1px solid var(--accent);
    }

.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}
.product-detail-section {
    padding: 120px 0;
}

.product-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.product-detail-image img {
    width: 100%;
    border-radius: 24px;
    box-shadow: 0 30px 70px rgba(0,0,0,0.5);
}

.product-category {
    display: inline-block;
    margin-bottom: 15px;
    padding: 6px 14px;
    border-radius: 20px;
    background: rgba(245,158,11,0.15);
    color: var(--accent);
    font-size: 13px;
}

.product-detail-content h1 {
    margin-bottom: 25px;
    font-size: 36px;
}

.product-description {
    color: var(--muted);
    margin-bottom: 40px;
    line-height: 1.8;
}
.back-link {
    display: inline-block;
    margin-bottom: 40px;
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
    transition: 0.3s ease;
}

    .back-link:hover {
        opacity: 0.7;
    }
/*
.technical-box {
    background: linear-gradient(160deg, #1b2a36, #16222c);
    padding: 30px;
    border-radius: 20px;
    border: 1px solid rgba(255,255,255,0.06);
}*/
.product-card {
    background: linear-gradient(160deg, #1b2a36, #16222c);
    border-radius: 20px;
    overflow: hidden;
    text-decoration: none;
    color: var(--text);
    transition: 0.3s ease;
    border: 1px solid rgba(255,255,255,0.06);
}

    .product-card img {
        width: 100%;
        height: 220px;
        object-fit: cover;
        transition: transform 0.4s ease;
    }

.product-card-content {
    padding: 25px;
}

.product-card h3 {
    margin-bottom: 10px;
}

.product-card p {
    color: var(--muted);
    font-size: 14px;
}

.product-card:hover {
    transform: translateY(-8px);
    border: 1px solid var(--accent);
}

    .product-card:hover img {
        transform: scale(1.05);
    }
.products-hero {
    height: 55vh;
    min-height: 420px;
    display: flex;
    align-items: center;
    background: linear-gradient( rgba(15,23,42,0.65), rgba(15,23,42,0.65) ), url('/images/about.jpg') center/cover no-repeat;
    color: white;
}

    .products-hero h1 {
        font-size: 48px;
        margin-bottom: 20px;
    }

    .products-hero p {
        max-width: 650px;
        font-size: 18px;
        opacity: 0.95;
    }
.product-section {
    padding: 100px 0;
}

.product-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 120px;
}

.product-image img {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 30px 70px rgba(0,0,0,0.5);
    transition: transform 0.4s ease;
}

    .product-image img:hover {
        transform: scale(1.03);
    }

.product-content h2 {
    margin-bottom: 20px;
    font-size: 32px;
}

.product-content p {
    color: var(--muted);
    margin-bottom: 15px;
    line-height: 1.7;
}

.product-categories {
    padding: 100px 0;
}

.category-block {
    margin-bottom: 120px;
}

.category-title {
    font-size: 32px;
    margin-bottom: 40px;
    position: relative;
}

    .category-title::after {
        content: "";
        width: 80px;
        height: 3px;
        background: var(--accent);
        display: block;
        margin-top: 15px;
    }
/* SERVICES */
.services {
    padding: 80px 0;

}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}
.service-card {
    /* background: linear-gradient(145deg, #0f1f38, #0b1a30);*/
    background: linear-gradient(160deg, #1b2a36, #16222c);
    border: 1px solid rgba(77,163,255,0.2);
    padding: 30px;
    border-radius: 20px;
    /*border: 1px solid rgba(0,212,255,0.08);*/
    box-shadow: 0 10px 30px rgba(0,0,0,0.4);
    transition: all .3s ease;
    position: relative;
    overflow: hidden;
}

    .service-card:hover {
        transform: translateY(-8px);
        /* border: 1px solid rgba(0,212,255,0.4);
        box-shadow: 0 20px 50px rgba(0,212,255,0.2);*/
        border: 1px solid var(--accent-light);
        box-shadow: 0 20px 50px rgba(42,111,151,0.3);
    }
    .service-card::before {
        content: "";
        position: absolute;
        width: 150px;
        height: 150px;
        background: var(--accent);
        filter: blur(100px);
        opacity: 0.08;
        top: -40px;
        right: -40px;
    }
    .service-card::after {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 45%;
        background: linear-gradient( to bottom, rgba(255,255,255,0.10), rgba(255,255,255,0.04), transparent );
        border-radius: 20px 20px 0 0;
        pointer-events: none;
    }
    .service-card .icon {
        width: 60px;
        height: 60px;
        border-radius: 16px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: linear-gradient( 135deg, rgba(245,158,11,0.15), rgba(251,191,36,0.15) );
        margin-bottom: 20px;
        transition: 0.3s ease;
    }

        .service-card .icon i {
            font-size: 24px;
            color: var(--accent);
        }

    .service-card:hover .icon {
        background: var(--accent);
    }

        .service-card:hover .icon i {
            color: #0f172a;
        }
/*.service-card {
    background: var(--card);
    padding: 30px;
    border-radius: 16px;
    transition: .3s;
}

    .service-card:hover {
        transform: translateY(-8px);
    }
*/
/* FOOTER */
.footer {
    padding: 30px 0;
    border-top: 1px solid rgba(255,255,255,.05);
    margin-top: 80px;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    color: var(--muted);
}
/* PROCESS */
.process-section {
    padding: 100px 0;
}

.section-label {
    color: var(--accent);
    font-size: 13px;
    letter-spacing: 2px;
}

.process-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 60px;
    gap: 60px;
}

.process-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
}

.process-steps {
    background: linear-gradient(145deg, #233642, #081426);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid rgba(0,212,255,0.08);
    box-shadow: 0 10px 30px rgba(0,0,0,0.4);
    position: relative;
    overflow: hidden;
}
    .process-steps::after {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 45%;
        background: linear-gradient( to bottom, rgba(255,255,255,0.08), rgba(255,255,255,0.03), transparent );
        border-radius: 20px 20px 0 0;
        pointer-events: none;
    }
.step {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

    .step span {
        width: 55px;
        height: 55px;
        min-width: 55px;
        min-height: 55px;
        flex-shrink: 0;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 50%;
        /*background: #0f1f38; 
        color: #00d4ff;*/
        background: #1b2a36;
        color: var(--energy);
        border: 2px solid var(--energy);
        box-shadow: 0 0 20px rgba(255,179,71,0.3);
        font-weight: 600;
        /* border: 2px solid #00d4ff;*/
    }

.delivery-box {
    background: linear-gradient(145deg, #233642, #081426);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid rgba(0,212,255,0.08);
    position: relative;
    overflow: hidden;
}

    .delivery-box::after {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 45%;
        background: linear-gradient( to bottom, rgba(255,255,255,0.08), rgba(255,255,255,0.03), transparent );
        border-radius: 20px 20px 0 0;
        pointer-events: none;
    }
    .delivery-box ul {
        padding-left: 20px;
        margin-top: 20px;
    }

    .delivery-box li {
        margin-bottom: 10px;
        color: var(--muted);
    }

/* TRUST BAND */
.trust-band {
    margin-top: 80px;
    background: var(--card);
    padding: 40px;
    border-radius: 20px;
    text-align: center;
}

.trust-tags {
    margin-top: 20px;
}

    .trust-tags span {
        display: inline-block;
        border: 1px solid rgba(255,255,255,.1);
        padding: 8px 16px;
        border-radius: 20px;
        margin: 5px;
        color: var(--muted);
    }

/* CONTACT */
.contact-section {
    margin-top: 100px;
    padding: 60px;
    /* background: linear-gradient(145deg, #081426, #0c1f3d);*/
    border-radius: 30px;
    /*border: 1px solid rgba(0,212,255,.3);*/
    background: linear-gradient(145deg, #1f3442, #162a36);
    border: 1px solid rgba(42,111,151,.4);
}
    .contact-section a {
        color: rgba(255,255,255,0.85);
        text-decoration: none;
        transition: 0.2s ease;
    }

        .contact-section a:hover {
            color: #00d4ff;
        }
.contact-grid {
    display: grid;
    grid-template-columns: 1fr; /*1fr;*/
    gap: 60px;
}
.map-wrapper {
    margin-top: 60px;
    border-radius: 16px;
    overflow: hidden;
}

    .map-wrapper iframe {
        display: block;
        width: 100%;
    }
.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 14px;
    margin-bottom: 20px;
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,.1);
    background: #050c1b;
    color: white;
}

.contact-form textarea {
    min-height: 120px;
    resize: none;
}
.user-info::before {
    content: "";
    display: inline-block;
    width: 8px;
    height: 8px;
    background: #00ff88;
    border-radius: 50%;
    margin-right: 8px;
}

.logout-modal {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.logout-box {
    background: linear-gradient(145deg, #0f1f38, #0b1a30);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid rgba(0,212,255,0.2);
    text-align: center;
    width: 350px;
}

.logout-actions {
    margin-top: 25px;
    display: flex;
    justify-content: space-between;
    gap: 15px;
}

.cancel-btn {
    flex: 1;
    padding: 10px;
    border-radius: 10px;
    border: 1px solid rgba(255,255,255,0.2);
    background: transparent;
    color: white;
    cursor: pointer;
}

.confirm-btn {
    flex: 1;
    padding: 10px;
    border-radius: 10px;
    background: linear-gradient(135deg, #2563eb, #1e3a8a);
    color: white;
    text-decoration: none;
    text-align: center;
}
.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

    .hero-image img {
        width: 180px; /* küçülttük */
        max-width: 90%;
        height: auto;
        border-radius: 40px; /* oval köşe */
        object-fit: cover; /* köşeler kırpılır */
        box-shadow: 0 30px 70px rgba(0,0,0,0.5);
        transition: transform 0.4s ease;
    }

        .hero-image img:hover {
            transform: scale(1.03);
        }
.blog-layout {
    display: grid;
    grid-template-columns: 3fr 1fr;
    gap: 60px;
    max-width: 1400px;
    margin: auto;
    padding: 120px 20px;
}

.blog-body {
    line-height: 1.9;
    color: rgba(255,255,255,0.85);
}

    .blog-body h2 {
        margin-top: 60px;
        padding-top: 20px;
        border-top: 1px solid rgba(255,255,255,0.1);
    }

.toc-box {
    position: sticky;
    top: 120px;
    /* background: #0b1a30;*/
    padding: 25px;
    border-radius: 20px;
    /*border: 1px solid rgba(0,212,255,0.2);*/
    height: fit-content;
    background: #233642;
    border: 1px solid rgba(42,111,151,0.4);
    position: relative;
    overflow: hidden;
}

    .toc-box::after {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 45%;
        background: linear-gradient( to bottom, rgba(255,255,255,0.07), rgba(255,255,255,0.02), transparent );
        border-radius: 20px 20px 0 0;
        pointer-events: none;
    }
    .toc-box h3 {
        margin-bottom: 15px;
    }

    .toc-box ul {
        list-style: none;
        padding: 0;
    }

    .toc-box li {
        margin-bottom: 12px;
    }

    .toc-box a {
        /*color: #00d4ff;*/
        color: var(--accent-light);
        text-decoration: none;
        font-size: 14px;
        transition: 0.2s ease;
    }

        .toc-box a:hover {
            color: var(--energy);
        }

html {
    scroll-behavior: smooth;
}
@media (max-width: 992px) {

    .nav-container {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }

    .nav-links {
        display: flex;
        flex-direction: row; /* yatay kalsın */
        justify-content: center;
        gap: 20px;
        flex-wrap: nowrap;
    }
        .nav-links a {
            margin: 0;
            white-space: nowrap; /* kelime kırılmasın */
        }

    .nav-right {
        flex-direction: column;
        width: 100%;
        align-items: center;
        gap: 10px;
    }

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

    .user-info {
        text-align: center;
    }


    .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .hero-left {
        order: 1;
    }

    .hero-card {
        order: 2;
    }

    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    .services-grid {
        grid-template-columns: 1fr;
    }
    .process-grid {
        grid-template-columns: 1fr;
    }
    .contact-grid {
        grid-template-columns: 1fr;
    }
}