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

:root {
    --mavi: #1a365d;
    --mavi-koyu: #121a2a;
    --kirmizi: #b01b2e;
    --kirmizi-hover: #8f1424;
    --beyaz: #ffffff;
    --arka: #ffffff;
    --arka-soft: #f5f7fb;
    --kart: #ffffff;
    --yazi: #1d2733;
    --yazi2: #5e6b7a;
    --border: #e4e8ef;
    --shadow: 0 12px 35px rgba(18, 26, 42, 0.1);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 76px;
}

body {
    font-family: 'Open Sans', sans-serif;
    background: var(--arka);
    color: var(--yazi);
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    line-height: 1.2;
}

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 88px 0;
}

/* ── EYEBROW ── */
.eyebrow,
.eyebrow-sol {
    display: inline-block;
    margin-bottom: 10px;
    color: var(--kirmizi);
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 1.8px;
    text-transform: uppercase;
}

.section-header {
    text-align: center;
    margin-bottom: 42px;
}

    .section-header h2,
    .section-header-sol h2 {
        color: var(--mavi);
        font-size: 2.15rem;
        font-weight: 800;
    }

.section-header-sol {
    margin-bottom: 34px;
}

/* ── BUTONLAR ── */
.btn-primary,
.btn-kirmizi,
.btn-hemen-ulasin {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    font-weight: 700;
    transition: var(--transition);
}

.btn-primary {
    margin-top: 14px;
    padding: 12px 24px;
    background: var(--mavi);
    color: #fff;
}

    .btn-primary:hover {
        background: var(--kirmizi);
        transform: translateY(-2px);
        box-shadow: 0 8px 20px rgba(176,27,46,0.3);
    }

/* ── NAVBAR ── */
.navbar {
    position: fixed;
    inset: 0 0 auto;
    z-index: 1000;
    background: #fff;
    box-shadow: 0 2px 12px rgba(18, 26, 42, 0.08);
    padding: 4px 0;
    transition: box-shadow var(--transition);
}

.nav-inner {
    min-height: 58px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.logo-img {
    flex: 0 0 auto;
}

.nav-logo {
    width: auto;
    height: 50px;
    object-fit: contain;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 22px;
}

    .nav-links li a {
        color: #101820;
        font-size: 0.78rem;
        font-weight: 700;
        text-transform: uppercase;
        white-space: nowrap;
        transition: color var(--transition);
        position: relative;
        padding-bottom: 3px;
    }

        .nav-links li a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--kirmizi);
            transition: width var(--transition);
        }

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

            .nav-links li a:hover::after {
                width: 100%;
            }

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn-hemen-ulasin {
    padding: 9px 18px;
    background: var(--kirmizi);
    color: #fff;
    font-size: 0.86rem;
}

    .btn-hemen-ulasin:hover {
        background: var(--kirmizi-hover);
        transform: translateY(-2px);
        box-shadow: 0 6px 16px rgba(176,27,46,0.3);
    }

.hamburger {
    display: none;
    width: 40px;
    height: 40px;
    border: 0;
    background: transparent;
    color: #101820;
    font-size: 1.35rem;
    cursor: pointer;
    transition: color var(--transition);
}

    .hamburger:hover {
        color: var(--kirmizi);
    }

/* ── HERO ── */
.hero {
    height: calc(100vh - 66px);
    min-height: 560px;
    margin-top: 66px;
    position: relative;
    overflow: hidden;
}

    .hero .swiper-wrapper {
        height: 100%;
        display: flex;
        transition: transform 0.9s ease;
    }

.hero-slide {
    position: relative;
    flex: 0 0 100%;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    background-color: var(--mavi-koyu);
    z-index: 1;
    transform: scale(1.04);
    transition: transform 6s ease;
}

.swiper-slide-active .hero-bg {
    transform: scale(1);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(18,26,42,0.72), rgba(26,54,93,0.45)), radial-gradient(circle at center, rgba(255,255,255,0.08), transparent 58%);
    z-index: 2;
}

.hero-container-ortali {
    position: relative;
    z-index: 3;
    width: 100%;
    max-width: 900px;
    text-align: center;
}

/* Hero içerik fade-up animasyonu */
.hero-alt-baslik,
.hero-ana-baslik-yeni,
.hero-aciklama-ortali,
.hero-butonlar {
    animation: heroFadeUp 0.9s ease both;
}

.hero-alt-baslik {
    animation-delay: 0.1s;
}

.hero-ana-baslik-yeni {
    animation-delay: 0.25s;
}

.hero-aciklama-ortali {
    animation-delay: 0.4s;
}

.hero-butonlar {
    animation-delay: 0.55s;
}

@keyframes heroFadeUp {
    from {
        opacity: 0;
        transform: translateY(28px);
    }

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

.hero-alt-baslik {
    margin-bottom: 18px;
    color: #fff;
    font-family: 'Open Sans', sans-serif;
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 4px;
    text-transform: uppercase;
}

.hero-ana-baslik-yeni {
    margin-bottom: 20px;
    color: #fff;
    font-size: 4.35rem;
    font-weight: 800;
}

.renkli-yazi {
    color: #f05264;
}

.hero-aciklama-ortali {
    max-width: 720px;
    margin: 0 auto 34px;
    color: #e7edf6;
    font-size: 1.12rem;
}

.hero-butonlar {
    display: flex;
    justify-content: center;
}

.btn-kirmizi {
    padding: 13px 32px;
    background: var(--kirmizi);
    color: #fff;
}

    .btn-kirmizi:hover {
        background: var(--kirmizi-hover);
        transform: translateY(-2px);
        box-shadow: 0 8px 20px rgba(176,27,46,0.35);
    }

.hero-ok {
    position: absolute;
    top: 50%;
    z-index: 5;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    border-radius: 4px;
    background: rgba(18,26,42,0.42);
    transform: translateY(-50%);
    transition: background var(--transition), transform var(--transition);
    cursor: pointer;
}

    .hero-ok:hover {
        background: rgba(176,27,46,0.9);
        transform: translateY(-50%) scale(1.08);
    }

.swiper-button-prev.hero-ok {
    left: 22px;
}

.swiper-button-next.hero-ok {
    right: 22px;
}

.hero-ok::after {
    font-size: 1.1rem;
    font-weight: 800;
}

.swiper-button-prev.hero-ok::after {
    content: "‹";
}

.swiper-button-next.hero-ok::after {
    content: "›";
}

.hero-pagination .swiper-pagination-bullet {
    width: 10px;
    height: 10px;
    border: 0;
    border-radius: 50%;
    background: #fff;
    opacity: 0.55;
    cursor: pointer;
    transition: background var(--transition), opacity var(--transition), transform var(--transition);
}

.hero-pagination {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 24px;
    z-index: 5;
    display: flex;
    justify-content: center;
    gap: 9px;
}

    .hero-pagination .swiper-pagination-bullet-active {
        background: var(--kirmizi);
        opacity: 1;
        transform: scale(1.3);
    }

/* ── HAKKIMIZDA ── */
.hakkimizda-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 52px;
    align-items: center;
}

.hakkimizda-text h2 {
    margin-bottom: 20px;
    color: var(--mavi);
    font-size: 2.15rem;
}

.hakkimizda-text p {
    margin-bottom: 15px;
    color: var(--yazi2);
}

.brand-panel {
    min-height: 340px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 56px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: linear-gradient(145deg, #ffffff, #eef2f7);
    box-shadow: var(--shadow);
    transition: box-shadow var(--transition), transform var(--transition);
}

    .brand-panel:hover {
        box-shadow: 0 20px 50px rgba(18,26,42,0.15);
        transform: translateY(-4px);
    }

    .brand-panel img {
        max-width: 360px;
        height: auto;
        object-fit: contain;
    }

/* ── HİZMETLER ── */
.hizmetler {
    background: var(--arka-soft);
}

.hizmet-grid-4 {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px;
}

.hizmet-karti-yeni,
.blog-kart {
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--kart);
    box-shadow: var(--shadow);
}

.hizmet-karti-yeni {
    min-height: 100%;
    padding: 24px;
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
    position: relative;
    overflow: hidden;
}

    .hizmet-karti-yeni::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 0;
        height: 3px;
        background: var(--kirmizi);
        transition: width var(--transition);
    }

    .hizmet-karti-yeni:hover::before {
        width: 100%;
    }

    .hizmet-karti-yeni:hover {
        transform: translateY(-8px);
        border-color: rgba(176,27,46,0.3);
        box-shadow: 0 20px 45px rgba(18,26,42,0.14);
    }

.hizmet-img {
    width: 74px;
    height: 54px;
    margin-bottom: 20px;
    object-fit: contain;
    transition: transform var(--transition);
}

.hizmet-karti-yeni:hover .hizmet-img {
    transform: scale(1.08);
}

.hizmet-karti-yeni h3 {
    margin-bottom: 14px;
    color: var(--mavi);
    font-size: 1.04rem;
}

.hizmet-karti-yeni p {
    margin-bottom: 18px;
    color: var(--yazi2);
    font-size: 0.93rem;
}

.more-details,
.blog-link {
    color: var(--kirmizi);
    font-weight: 800;
    transition: letter-spacing var(--transition);
}

    .more-details:hover,
    .blog-link:hover {
        color: var(--kirmizi-hover);
        letter-spacing: 0.5px;
    }

/* ── PROJELER ── */
.proje-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
}

.proje-kart {
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    background: var(--kart);
    box-shadow: var(--shadow);
    transition: transform var(--transition), box-shadow var(--transition);
}

    .proje-kart:hover {
        transform: translateY(-6px);
        box-shadow: 0 20px 45px rgba(18,26,42,0.14);
    }

    .proje-kart img {
        width: 100%;
        height: 200px;
        object-fit: cover;
        transition: transform 0.5s ease;
    }

    .proje-kart:hover img {
        transform: scale(1.05);
    }

    .proje-kart h3 {
        padding: 16px 20px 8px;
        color: var(--mavi);
        font-size: 1.05rem;
    }

    .proje-kart p {
        padding: 0 20px 20px;
        color: var(--yazi2);
        font-size: 0.92rem;
    }

/* ── BLOG ── */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
}

.blog-kart {
    overflow: hidden;
    padding-bottom: 24px;
    transition: transform var(--transition), box-shadow var(--transition);
}

    .blog-kart:hover {
        transform: translateY(-6px);
        box-shadow: 0 20px 45px rgba(18,26,42,0.14);
    }

.blog-kart-gorsel {
    height: 190px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--mavi), #314e73);
    color: #fff;
    font-size: 3.2rem;
    transition: background var(--transition);
}

.blog-kart:hover .blog-kart-gorsel {
    background: linear-gradient(135deg, var(--kirmizi), #8f1424);
}

.blog-category {
    margin: 20px 24px 8px;
    color: var(--kirmizi);
    font-size: 0.9rem;
    font-weight: 800;
}

.blog-kart h3 {
    min-height: 94px;
    margin: 0 24px 18px;
    color: var(--mavi);
    font-size: 1.08rem;
}

.blog-kart .blog-link {
    margin-left: 24px;
}

/* ── İLETİŞİM ── */
.iletisim {
    background: var(--arka-soft);
}

.iletisim-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 44px;
}

.iletisim-sol h2,
.iletisim-sag h2 {
    margin-bottom: 20px;
    color: var(--mavi);
    font-size: 2rem;
}

.iletisim-sol > p {
    margin-bottom: 30px;
    color: var(--yazi2);
}

.iletisim-satir {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 20px;
    padding: 14px;
    border-radius: 6px;
    transition: background var(--transition);
}

    .iletisim-satir:hover {
        background: #fff;
    }

    .iletisim-satir i {
        margin-top: 5px;
        color: var(--kirmizi);
        font-size: 20px;
    }

    .iletisim-satir strong {
        display: block;
        margin-bottom: 4px;
    }

    .iletisim-satir p {
        color: var(--yazi2);
    }

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

    .contact-form input,
    .contact-form textarea {
        width: 100%;
        border: 1px solid var(--border);
        border-radius: 4px;
        padding: 12px;
        color: var(--yazi);
        font: inherit;
        transition: border-color var(--transition), box-shadow var(--transition);
    }

        .contact-form input:focus,
        .contact-form textarea:focus {
            outline: none;
            border-color: var(--kirmizi);
            box-shadow: 0 0 0 3px rgba(176,27,46,0.12);
        }

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

    .contact-form button {
        width: 150px;
        border: 0;
        border-radius: 4px;
        padding: 14px 18px;
        background: var(--kirmizi);
        color: #fff;
        font-weight: 800;
        cursor: pointer;
        transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
    }

        .contact-form button:hover {
            background: var(--kirmizi-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(176,27,46,0.3);
        }

/* ── FOOTER ── */
.footer {
    padding-top: 56px;
    background: var(--mavi-koyu);
    color: #aeb8c6;
}

.footer-inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1.2fr;
    gap: 40px;
    margin-bottom: 38px;
}

.footer-logo img {
    width: auto;
    max-height: 42px;
    margin-bottom: 16px;
    filter: brightness(0) invert(1);
}

.footer h4 {
    margin-bottom: 18px;
    color: #fff;
}

.footer-linkler li {
    margin-bottom: 10px;
}

.footer-linkler a {
    transition: color var(--transition), padding-left var(--transition);
}

    .footer-linkler a:hover {
        color: #fff;
        padding-left: 5px;
    }

.footer-iletisim p {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
}

.footer-iletisim i {
    color: #f05264;
}

.footer-alt {
    padding: 18px 0;
    border-top: 1px solid rgba(255,255,255,0.1);
    text-align: center;
    font-size: 0.9rem;
}

/* ── SABİT BUTONLAR ── */
.whatsapp-btn,
.yukari-btn {
    position: fixed;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 25px rgba(18,26,42,0.18);
}

.whatsapp-btn {
    left: 28px;
    bottom: 28px;
    width: 58px;
    height: 58px;
    border-radius: 50%;
    background: #25d366;
    color: #fff;
    font-size: 2rem;
    transition: transform var(--transition), box-shadow var(--transition);
}

    .whatsapp-btn:hover {
        transform: scale(1.12);
        box-shadow: 0 14px 32px rgba(37,211,102,0.4);
    }

.yukari-btn {
    right: 28px;
    bottom: 28px;
    width: 48px;
    height: 48px;
    border: 0;
    border-radius: 4px;
    background: var(--mavi);
    color: #fff;
    font-size: 1.1rem;
    cursor: pointer;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition), transform var(--transition), background var(--transition);
}

    .yukari-btn.gorunen {
        opacity: 1;
        pointer-events: auto;
    }

    .yukari-btn:hover {
        background: var(--kirmizi);
        transform: translateY(-3px);
    }

/* ── ARTICLE ── */
.article-page {
    padding-top: 66px;
}

.article-hero {
    padding: 74px 0 54px;
    background: linear-gradient(135deg, var(--mavi-koyu), var(--mavi));
    color: #fff;
}

    .article-hero .eyebrow {
        color: #ff7181;
    }

    .article-hero h1 {
        max-width: 880px;
        margin-bottom: 18px;
        font-size: 3rem;
    }

    .article-hero p {
        max-width: 760px;
        color: #dbe5f2;
        font-size: 1.08rem;
    }

.article-content {
    max-width: 860px;
    padding: 56px 24px 90px;
}

    .article-content h2 {
        margin: 32px 0 14px;
        color: var(--mavi);
        font-size: 1.65rem;
    }

    .article-content p,
    .article-content li {
        color: var(--yazi2);
        font-size: 1.02rem;
    }

    .article-content p {
        margin-bottom: 16px;
    }

    .article-content ul {
        margin: 0 0 18px 22px;
        list-style: disc;
    }

.article-back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 28px;
    color: var(--kirmizi);
    font-weight: 800;
}

/* ════════════════════════════════════
   MOBİL — RESPONSIVE
════════════════════════════════════ */

@media (max-width: 1100px) {
    .nav-links {
        gap: 14px;
    }

        .nav-links li a {
            font-size: 0.72rem;
        }

    .hizmet-grid-4 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 900px) {
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        display: none;
        flex-direction: column;
        gap: 0;
        padding: 12px 24px 18px;
        background: #fff;
        box-shadow: 0 10px 22px rgba(18,26,42,0.1);
        border-top: 2px solid var(--kirmizi);
    }

        .nav-links.active {
            display: flex;
        }

        .nav-links li {
            width: 100%;
        }

            .nav-links li a {
                display: block;
                padding: 13px 0;
                font-size: 0.88rem;
                border-bottom: 1px solid var(--border);
            }

            .nav-links li:last-child a {
                border-bottom: none;
            }

    .hamburger {
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .btn-hemen-ulasin {
        display: none;
    }

    .hakkimizda-inner,
    .iletisim-layout {
        grid-template-columns: 1fr;
    }

    .blog-grid,
    .proje-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    html {
        scroll-padding-top: 66px;
    }

    .container {
        padding: 0 16px;
    }

    .section {
        padding: 56px 0;
    }

    .nav-inner {
        min-height: 52px;
    }

    .nav-logo {
        height: 40px;
    }

    .hero,
    .article-page {
        margin-top: 60px;
        padding-top: 0;
    }

    .hero {
        height: auto;
        min-height: 100svh;
    }

    .hero-ana-baslik-yeni {
        font-size: 2.2rem;
        line-height: 1.15;
    }

    .hero-alt-baslik {
        font-size: 0.75rem;
        letter-spacing: 2px;
    }

    .hero-aciklama-ortali {
        font-size: 0.95rem;
        padding: 0 8px;
    }

    .btn-kirmizi {
        padding: 12px 24px;
        font-size: 0.9rem;
    }

    /* Hero okları mobilde küçük */
    .hero-ok {
        width: 36px;
        height: 36px;
    }

    .swiper-button-prev.hero-ok {
        left: 10px;
    }

    .swiper-button-next.hero-ok {
        right: 10px;
    }

    .hizmet-grid-4,
    .footer-inner {
        grid-template-columns: 1fr;
    }

    .section-header h2,
    .section-header-sol h2 {
        font-size: 1.7rem;
    }

    .hakkimizda-text h2 {
        font-size: 1.7rem;
    }

    .brand-panel {
        padding: 32px;
        min-height: 220px;
    }

    .blog-kart-gorsel {
        height: 150px;
        font-size: 2.5rem;
    }

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

    .proje-kart img {
        height: 180px;
    }

    .iletisim-sol h2 {
        font-size: 1.6rem;
    }

    .contact-form button {
        width: 100%;
    }

    .footer-inner {
        gap: 28px;
    }

    /* WhatsApp ve yukarı butonu mobilden taşmasın */
    .whatsapp-btn {
        left: 16px;
        bottom: 16px;
        width: 50px;
        height: 50px;
        font-size: 1.7rem;
    }

    .yukari-btn {
        right: 16px;
        bottom: 16px;
        width: 42px;
        height: 42px;
    }

    .article-hero h1 {
        font-size: 1.9rem;
    }

    .article-hero {
        padding: 48px 0 36px;
    }
}

@media (max-width: 480px) {
    .hero-ana-baslik-yeni {
        font-size: 1.85rem;
    }

    .hizmet-grid-4 {
        grid-template-columns: 1fr;
    }

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

    .footer-inner {
        grid-template-columns: 1fr;
    }
}