:root {
    --bg-main: #020617;
    --bg-soft: #020617;
    --bg-elevated: #020617;
    --primary: #2563eb;
    --primary-soft: rgba(37,99,235,0.15);
    --text-main: #f9fafb;
    --text-muted: #9ca3af;
    --border-soft: rgba(148, 163, 184, 0.3);
    --radius-lg: 18px;
    --shadow-soft: 0 18px 45px rgba(15, 23, 42, 0.85);
}

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

html, body {
    margin: 0;
    padding: 0;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: radial-gradient(circle at top left, #111827 0, #020617 40%, #020617 100%);
    color: var(--text-main);
    line-height: 1.6;
}

/* GENEL LAYOUT */

.container {
    width: 100%;
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 20px;
}

.site-main {
    padding-bottom: 80px;
}

.section {
    padding: 80px 0;
}

.section-title {
    font-size: 30px;
    margin: 0 0 10px;
}

.section-subtitle {
    margin: 0 0 30px;
    color: var(--text-muted);
    max-width: 620px;
}

/* TOP BAR */

.top-analysis-bar {
    background: var(--primary-soft);
    border-bottom: 1px solid rgba(37, 99, 235, 0.4);
    font-size: 14px;
}

.top-analysis-bar .container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 8px 20px;
}

.top-analysis-text {
    font-weight: 500;
}

.top-analysis-link {
    color: var(--primary);
    font-weight: 600;
}

/* HEADER */

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(16px);
    background: rgba(2, 6, 23, 0.92);
    border-bottom: 1px solid rgba(15, 23, 42, 0.8);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-main);
}

.logo-img {
    width: 36px;
    height: 36px;
    object-fit: contain;
}

.logo-text {
    font-weight: 700;
    letter-spacing: 0.04em;
    font-size: 18px;
}

/* NAV */

.main-nav {
    display: flex;
    align-items: center;
    gap: 26px;
}

.main-menu {
    display: flex;
    align-items: center;
    gap: 22px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-item > a {
    text-decoration: none;
    color: var(--text-muted);
    font-size: 15px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 0;
}

.nav-item > a:hover {
    color: var(--text-main);
}

/* MEGA MENÜ */

.nav-item--has-mega {
    position: relative;
}

/* İstersen köprü alanını bırakabiliriz, şart değil ama zararı yok */
.nav-item--has-mega::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    height: 18px;
}

.mega-menu {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 100%;
    width: 880px;
    background: #020617;
    border-radius: 20px;
    padding: 18px 22px;
    display: none;
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(31, 41, 55, 0.9);
    z-index: 999;
}

/* SADECE .mega-open MENÜYÜ AÇAR */
.nav-item--has-mega.mega-open > .mega-menu {
    display: flex;
}

.mega-column {
    flex: 1;
    padding: 10px 18px;
    border-right: 1px solid rgba(30, 64, 175, 0.65);
}

.mega-column:last-child {
    border-right: none;
}

.mega-title {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.09em;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.mega-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 6px;
    padding: 7px 0;
    font-size: 14px;
    color: var(--text-main);
    text-decoration: none;
}

.mega-link:hover {
    color: var(--primary);
}

.badge-new {
    font-size: 11px;
    color: #22c55e;
    border-radius: 999px;
    border: 1px solid rgba(34,197,94,0.5);
    padding: 1px 7px;
}

/* CTA BUTONLAR */

.header-cta {
    display: flex;
    align-items: center;
    gap: 10px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 9px 18px;
    border-radius: 999px;
    font-size: 14px;
    text-decoration: none;
    border: 1px solid transparent;
    cursor: pointer;
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary);
    color: #e5f0ff;
    box-shadow: 0 14px 30px rgba(37, 99, 235, 0.55);
}

.btn-outline {
    background: transparent;
    border-color: rgba(148, 163, 184, 0.5);
    color: var(--text-main);
}

.btn-secondary {
    background: rgba(15, 23, 42, 0.8);
    border-color: rgba(148, 163, 184, 0.4);
    color: var(--text-main);
}

.btn-link {
    padding: 0;
    border: none;
    background: none;
    color: var(--primary);
}

/* MOBİL MENÜ BUTONU */

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    padding: 4px;
    cursor: pointer;
}

.nav-toggle span {
    width: 22px;
    height: 2px;
    background: var(--text-main);
    border-radius: 999px;
}

/* HERO */

.hero {
    padding: 70px 0 50px;
}

.hero-inner {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    gap: 50px;
    align-items: center;
}

.eyebrow {
    font-size: 14px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: 10px;
}

.hero h1 {
    font-size: 44px;
    line-height: 1.15;
    margin: 0 0 12px;
}

.hero h1 span {
    background: linear-gradient(135deg, #f97316, #a855f7, #38bdf8);
    -webkit-background-clip: text;
    color: transparent;
}

.hero-sub {
    color: var(--text-muted);
    max-width: 520px;
}

.hero-bullets {
    list-style: none;
    padding: 0;
    margin: 20px 0 24px;
    color: var(--text-muted);
}

.hero-bullets li {
    position: relative;
    padding-left: 18px;
    margin-bottom: 6px;
}

.hero-bullets li::before {
    content: "•";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--primary);
}

.hero-actions {
    display: flex;
    gap: 12px;
    margin-bottom: 26px;
}

.hero-stats {
    display: flex;
    gap: 22px;
    flex-wrap: wrap;
}

.stat-item {
    min-width: 110px;
}

.stat-value {
    font-size: 22px;
    font-weight: 700;
}

.stat-label {
    font-size: 13px;
    color: var(--text-muted);
}

/* HERO GÖRSELİ */

.hero-visual {
    position: relative;
}

.hero-cube-wrap {
    background: radial-gradient(circle at top, #1d4ed8, #020617 65%);
    border-radius: 999px;
    padding: 26px;
    box-shadow: var(--shadow-soft);
}

.hero-gif {
    display: block;
    width: 100%;
    border-radius: 28px;
    object-fit: cover;
}

.hero-floating-card {
    position: absolute;
    bottom: -16px;
    left: 10%;
    right: 10%;
    background: rgba(15, 23, 42, 0.96);
    border-radius: 16px;
    padding: 12px 16px;
    border: 1px solid rgba(55, 65, 81, 0.9);
    font-size: 13px;
    box-shadow: 0 20px 40px rgba(15, 23, 42, 0.9);
}

.hero-floating-title {
    font-weight: 600;
}

/* SERVİS GRID */

.section-services {
    background: radial-gradient(circle at top, #0f172a, #020617 55%);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}

.service-card {
    background: rgba(15, 23, 42, 0.95);
    border-radius: var(--radius-lg);
    padding: 16px 18px;
    border: 1px solid rgba(31, 41, 55, 0.9);
    box-shadow: 0 20px 40px rgba(15, 23, 42, 0.85);
    font-size: 14px;
}

.service-card h3 {
    margin: 0 0 8px;
    font-size: 16px;
}

.service-card p {
    margin: 0 0 16px;
    color: var(--text-muted);
}

.card-link {
    font-size: 13px;
    color: var(--primary);
}

/* METRİKLER */

.section-metrics {
    background: #020617;
}

.metrics-inner {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.metric-card {
    background: rgba(15, 23, 42, 0.96);
    border-radius: var(--radius-lg);
    padding: 22px 20px;
    border: 1px solid rgba(31, 41, 55, 0.95);
    text-align: center;
}

.metric-label {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 6px;
}

/* BLOG GRID */

.section-blog-preview {
    background: #020617;
}

.section-header-row {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 24px;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.blog-card {
    background: rgba(15, 23, 42, 0.96);
    border-radius: var(--radius-lg);
    padding: 18px 18px 20px;
    border: 1px solid rgba(31, 41, 55, 0.95);
    font-size: 14px;
}

.blog-card h3,
.blog-card h2 {
    margin: 0 0 6px;
    font-size: 16px;
}

.blog-date {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 10px;
}



/* FİNAL CTA */

.section-cta-final {
    background: linear-gradient(135deg, #1d4ed8, #4f46e5);
}

.cta-final-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.cta-final-inner h2 {
    margin: 0 0 8px;
}

.cta-final-inner p {
    margin: 0;
    max-width: 520px;
}

.cta-final-actions {
    display: flex;
    gap: 12px;
}

/* FORM SAYFALARI */

.form-page {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: 40px;
}

.form {
    background: rgba(15, 23, 42, 0.96);
    border-radius: var(--radius-lg);
    padding: 20px 22px;
    border: 1px solid rgba(31, 41, 55, 0.9);
}

.form-field {
    display: flex;
    flex-direction: column;
    margin-bottom: 14px;
    font-size: 14px;
}

.form-field span {
    margin-bottom: 4px;
}

.form input,
.form textarea {
    border-radius: 10px;
    border: 1px solid rgba(55, 65, 81, 0.9);
    background: #020617;
    padding: 9px 10px;
    color: var(--text-main);
    font-family: inherit;
    font-size: 14px;
}

.form input:focus,
.form textarea:focus {
    outline: 1px solid var(--primary);
}

/* FOOTER */

.site-footer {
    background: #020617;
    border-top: 1px solid rgba(15, 23, 42, 0.9);
    padding-top: 32px;
    padding-bottom: 26px;
    font-size: 14px;
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1.4fr 1.2fr;
    gap: 40px;
    margin-bottom: 26px;
}

.footer-title {
    margin: 0 0 10px;
    font-size: 15px;
}

.footer-list {
    list-style: none;
    margin: 0;
    padding: 0;
    color: var(--text-muted);
}

.footer-list a {
    color: inherit;
    text-decoration: none;
}

.footer-bottom {
    border-top: 1px solid rgba(31, 41, 55, 0.9);
    padding-top: 14px;
    color: var(--text-muted);
}

/* WHATSAPP BALONU */

.whatsapp-bubble {
    position: fixed;
    right: 18px;
    bottom: 18px;
    width: 54px;
    height: 54px;
    border-radius: 999px;
    background: #22c55e;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #022c22;
    font-weight: 700;
    text-decoration: none;
    box-shadow: 0 12px 30px rgba(22, 163, 74, 0.7);
    z-index: 1500;
}

.wa-icon {
    font-size: 14px;
}
/* BLOG SAYFASI – ANA LİSTE GÖRÜNÜMÜ */

.section-blog-main {
    background: #020617;
    padding-top: 60px;
    padding-bottom: 80px;
}

.blog-header {
    text-align: center;
    margin-bottom: 28px;
}

.blog-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 11px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    border: 1px solid rgba(148, 163, 184, 0.7);
    color: var(--text-muted);
    background: rgba(15, 23, 42, 0.95);
    margin-bottom: 10px;
}

.blog-title {
    margin: 0 0 6px;
    font-size: 30px;
}

.blog-subtitle {
    margin: 0;
    color: var(--text-muted);
    max-width: 620px;
    margin-left: auto;
    margin-right: auto;
}

/* Sekmeler + arama satırı */

.blog-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.blog-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.blog-tab {
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    border-radius: 999px;
    border: 1px solid rgba(51, 65, 85, 0.8);
    font-size: 12px;
    color: var(--text-muted);
    background: rgba(15, 23, 42, 0.96);
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
}

.blog-tab--active {
    background: var(--primary-soft);
    border-color: rgba(37, 99, 235, 0.9);
    color: #e5f0ff;
}

.blog-search input {
    min-width: 220px;
    border-radius: 999px;
    border: 1px solid rgba(55, 65, 81, 0.9);
    background: rgba(15, 23, 42, 0.98);
    padding: 8px 14px;
    font-size: 13px;
    color: var(--text-main);
    font-family: inherit;
}

.blog-search input::placeholder {
    color: var(--text-muted);
}

/* Kart grid – blog ana sayfa */

.blog-grid--main {
    margin-top: 8px;
}

.blog-grid--main .blog-card {
    background: rgba(15, 23, 42, 0.96);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(31, 41, 55, 0.95);
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.85);
    padding: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    font-size: 14px;
}

/* Kapak görseli */

.blog-card-thumb {
    position: relative;
    padding-top: 60%; /* 16:10 civarı oran */
    overflow: hidden;
}

.blog-card-thumb img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.35s ease;
}

.blog-grid--main .blog-card:hover .blog-card-thumb img {
    transform: scale(1.04);
}

/* Kart gövde */

.blog-card-body {
    padding: 14px 16px 14px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-height: 180px;
}

.blog-card-meta-top {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    font-size: 12px;
    color: var(--text-muted);
}

.blog-badge {
    padding: 2px 8px;
    border-radius: 999px;
    background: rgba(37, 99, 235, 0.14);
    color: #dbeafe;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.blog-meta {
    opacity: 0.9;
}

.blog-meta-sep {
    opacity: 0.5;
}

.blog-card-title {
    margin: 0;
    font-size: 16px;
    line-height: 1.3;
}

.blog-card-title a {
    color: var(--text-main);
    text-decoration: none;
}

.blog-card-title a:hover {
    color: var(--primary);
}

.blog-card-excerpt {
    margin: 0;
    color: var(--text-muted);
    font-size: 13px;
}

/* Kart altı */

.blog-card-footer {
    margin-top: 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.blog-card-stats {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 12px;
    color: var(--text-muted);
    flex-wrap: wrap;
    justify-content: flex-end;
}

.blog-stat {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

/* Küçük buton varyantı */

.btn-sm {
    padding: 7px 14px;
    font-size: 13px;
}

/* Blog toolbar için mobile uyumu */
@media (max-width: 768px) {
    .blog-toolbar {
        flex-direction: column;
        align-items: flex-start;
    }

    .blog-search input {
        width: 100%;
        min-width: 0;
    }
}

/* RESPONSIVE */

@media (max-width: 992px) {
    .main-nav {
        position: absolute;
        right: 0;
        top: 100%;
        flex-direction: column;
        align-items: flex-start;
        background: rgba(2, 6, 23, 0.98);
        width: 100%;
        max-width: 320px;
        padding: 14px 18px 16px;
        transform: translateY(-10px);
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.2s ease, transform 0.2s ease;
    }

    .main-nav.is-open {
        opacity: 1;
        pointer-events: auto;
        transform: translateY(0);
    }

    .main-menu {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .nav-item--has-mega > .mega-menu {
        position: static;
        transform: none;
        width: 100%;
        margin-top: 8px;
        display: none;
        flex-direction: column;
        box-shadow: none;
    }

    .nav-item--has-mega.open > .mega-menu {
        display: block;
    }

    .mega-column {
        border-right: none;
        border-top: 1px solid rgba(31, 41, 55, 0.9);
    }

    .mega-column:first-child {
        border-top: none;
    }

    .header-cta {
        margin-top: 12px;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-inner {
        grid-template-columns: minmax(0, 1fr);
    }

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

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

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

    .form-page {
        grid-template-columns: minmax(0, 1fr);
    }

    .footer-top {
        grid-template-columns: minmax(0, 1fr);
    }
}

@media (max-width: 640px) {
    .services-grid,
    .metrics-inner,
    .blog-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .hero {
        padding-top: 50px;
    }
}