/* NetworkAjans - Modern Agency Theme */
:root {
    --font: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --radius: 12px;
    --radius-lg: 20px;
    --shadow: 0 4px 24px rgba(0,0,0,.08);
    --shadow-lg: 0 20px 60px rgba(0,0,0,.12);
    --transition: .25s ease;
}

/* Light theme - mavi palet */
.theme-light,
[data-theme="light"] {
    --bg: #f0f9ff;
    --bg-card: #fff;
    --text: #0f172a;
    --text-muted: #475569;
    --accent: #0284c7;
    --accent-hover: #0369a1;
    --border: #e0f2fe;
    --gradient-start: #0ea5e9;
    --gradient-end: #0284c7;
}

/* Dark theme - mavi palet */
.theme-dark,
[data-theme="dark"] {
    --bg: #0c1929;
    --bg-card: #132f4c;
    --text: #f1f5f9;
    --text-muted: #94a3b8;
    --accent: #38bdf8;
    --accent-hover: #7dd3fc;
    --border: #1e4976;
    --gradient-start: #0ea5e9;
    --gradient-end: #0284c7;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    transition: background var(--transition), color var(--transition);
    overflow-x: hidden;
}

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

a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-hover); }

ul, ol { list-style: none; }

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }

.skip-link {
    position: absolute;
    top: -100px;
    left: 20px;
    padding: 10px 20px;
    background: var(--accent);
    color: #fff;
    z-index: 9999;
    border-radius: var(--radius);
    transition: top .2s;
}
.skip-link:focus { top: 20px; }

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    transition: background var(--transition), border-color var(--transition);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 72px;
    gap: 24px;
}

.logo {
    font-weight: 800;
    font-size: 1.35rem;
    color: var(--text);
}
.logo-text { background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.logo-img { height: 40px; }
.logo-img.logo-dark { display: none; }
[data-theme="dark"] .logo-img.logo-light { display: none; }
[data-theme="dark"] .logo-img.logo-dark { display: block; }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}
.nav-toggle span { width: 24px; height: 2px; background: var(--text); border-radius: 1px; transition: var(--transition); }

.main-nav ul { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.main-nav a {
    display: block;
    padding: 10px 16px;
    color: var(--text);
    font-weight: 500;
    border-radius: var(--radius);
}
.main-nav a:hover,
.main-nav a.active { color: var(--accent); background: rgba(99, 102, 241, .1); }

.btn { display: inline-flex; align-items: center; justify-content: center; padding: 12px 24px; font-weight: 600; border-radius: var(--radius); border: none; cursor: pointer; transition: var(--transition); font-family: var(--font); }
.btn-primary { background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end)); color: #fff; }
.btn-primary:hover { opacity: .9; transform: translateY(-1px); box-shadow: 0 8px 24px rgba(99, 102, 241, .35); }
.btn-sm { padding: 8px 16px; font-size: .9rem; }

.theme-toggle {
    width: 44px; height: 44px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--bg-card);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: var(--transition);
}
.theme-toggle:hover { background: var(--border); }
.theme-toggle i { font-size: 1.1rem; }
.theme-toggle .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-moon { display: inline-block; }

@media (max-width: 900px) {
    .nav-toggle { display: flex; }
    .main-nav { position: fixed; top: 72px; left: 0; right: 0; background: var(--bg-card); border-bottom: 1px solid var(--border); padding: 20px; transform: translateY(-100%); opacity: 0; visibility: hidden; transition: var(--transition); }
    .main-nav.is-open { transform: translateY(0); opacity: 1; visibility: visible; }
    .main-nav ul { flex-direction: column; }
    .main-nav a { padding: 12px; width: 100%; }
}

/* Sections */
.section { padding: 80px 0; }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 48px; }
.section-head .label { font-size: .85rem; font-weight: 600; color: var(--accent); text-transform: uppercase; letter-spacing: .1em; margin-bottom: 8px; }
.section-head h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); font-weight: 800; color: var(--text); margin-bottom: 12px; line-height: 1.2; }
.section-head p { color: var(--text-muted); font-size: 1.05rem; }

/* Hero */
.hero {
    min-height: 85vh;
    display: flex;
    align-items: center;
    padding: 100px 0 80px;
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 70%;
    height: 140%;
    background: linear-gradient(135deg, rgba(14, 165, 233, .12), rgba(2, 132, 199, .06));
    border-radius: 50%;
    pointer-events: none;
}
.hero-inner { position: relative; z-index: 1; }
.hero h1 {
    font-size: clamp(2.25rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
    color: var(--text);
}
.hero h1 .gradient { background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero .lead { font-size: 1.2rem; color: var(--text-muted); margin-bottom: 32px; max-width: 540px; }
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }

/* Cards */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; }
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--accent); }
.card-icon {
    width: 52px; height: 52px; border-radius: var(--radius);
    background: rgba(14, 165, 233, .12);
    color: var(--accent);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.35rem; margin-bottom: 16px;
}
.card-icon i { font-size: inherit; }
.card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 8px; color: var(--text); }
.card p { color: var(--text-muted); font-size: .95rem; margin-bottom: 16px; }
.card .link { font-weight: 600; color: var(--accent); display: inline-flex; align-items: center; gap: 6px; }

/* References grid */
.ref-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 24px; }
.ref-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: var(--transition);
}
.ref-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.ref-card img { width: 100%; height: 220px; object-fit: cover; }
.ref-card-body { padding: 24px; }
.ref-card h3 { font-size: 1.2rem; margin-bottom: 8px; color: var(--text); }
.ref-card .tech { font-size: .85rem; color: var(--accent); margin-bottom: 8px; }
.ref-card p { color: var(--text-muted); font-size: .9rem; }

/* Stats */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 24px; text-align: center; }
.stat-item .value { font-size: 2.5rem; font-weight: 800; background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.stat-item .label { color: var(--text-muted); font-size: .95rem; margin-top: 4px; }

/* Process steps */
.process-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 32px; }
.process-item { text-align: center; }
.process-item .step-num { width: 56px; height: 56px; border-radius: 50%; background: rgba(14, 165, 233, .18); color: var(--accent); font-weight: 800; font-size: 1.25rem; display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; }
.process-item h4 { font-size: 1.1rem; margin-bottom: 8px; color: var(--text); }
.process-item p { color: var(--text-muted); font-size: .95rem; }

/* Testimonials - yan yana slider, kendisi kayar */
.testimonials-slider { overflow: hidden; margin: 0 -20px; }
.testimonials-track {
    display: flex;
    gap: 24px;
    width: max-content;
    animation: testimonial-scroll 35s linear infinite;
    padding: 8px 0;
}
.testimonials-track:hover { animation-play-state: paused; }
@keyframes testimonial-scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}
.testimonial-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    flex: 0 0 340px;
    min-width: 340px;
    transition: var(--transition);
}
.testimonial-card .stars { color: #f59e0b; margin-bottom: 12px; }
.testimonial-card blockquote { font-size: 1rem; color: var(--text); margin-bottom: 16px; line-height: 1.65; }
.testimonial-card .author { font-weight: 700; color: var(--text); }
.testimonial-card .company { font-size: .9rem; color: var(--text-muted); }
@media (max-width: 400px) {
    .testimonial-card { flex: 0 0 280px; min-width: 280px; }
}

/* CTA bölümü - footer ile arası boşluksuz */
.section-cta { padding: 48px 0 0; margin-bottom: 0; }

/* Footer */
.site-footer {
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    padding: 48px 0 24px;
    margin-top: 0;
}
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
@media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr; gap: 32px; } }
.logo-footer { font-weight: 800; font-size: 1.25rem; color: var(--text); display: inline-block; margin-bottom: 12px; }
.footer-desc { color: var(--text-muted); font-size: .95rem; margin-bottom: 16px; max-width: 280px; }
.social-links { display: flex; gap: 12px; }
.social-links a { font-size: .9rem; }
.footer-links h4,
.footer-contact h4 { font-size: 1rem; margin-bottom: 16px; color: var(--text); }
.footer-links ul { display: flex; flex-direction: column; gap: 8px; }
.footer-links a,
.footer-contact a { color: var(--text-muted); }
.footer-contact p { margin-bottom: 8px; color: var(--text-muted); font-size: .95rem; }
.footer-bottom { padding-top: 24px; border-top: 1px solid var(--border); text-align: center; color: var(--text-muted); font-size: .9rem; }

/* Cookie notice */
.cookie-notice {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    padding: 20px;
    z-index: 1000;
    box-shadow: 0 -4px 24px rgba(0,0,0,.1);
}
.cookie-inner { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.cookie-notice p { color: var(--text-muted); font-size: .95rem; margin: 0; }
.cookie-actions { display: flex; align-items: center; gap: 16px; }

/* Breadcrumb */
.breadcrumb { padding: 16px 0; font-size: .9rem; color: var(--text-muted); }
.breadcrumb a { color: var(--text-muted); }
.breadcrumb span { margin: 0 8px; }

/* Content card (sayfa içi kutu) */
.content-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

/* Özellikler / Avantajlar tablosu */
.features-table { width: 100%; border-collapse: collapse; }
.features-table th,
.features-table td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border); }
.features-table th { background: rgba(14, 165, 233, .08); color: var(--accent); font-weight: 600; font-size: .9rem; }
.features-table tr:hover td { background: rgba(14, 165, 233, .04); }
.features-table td:first-child { font-weight: 600; color: var(--text-muted); width: 48px; }

/* Page content */
.page-content { padding: 40px 0 80px; }
.page-content .content-body { max-width: 720px; }
.page-content .content-body h2 { font-size: 1.5rem; margin: 24px 0 12px; color: var(--text); }
.page-content .content-body p { margin-bottom: 16px; color: var(--text-muted); }
.page-content .content-body ul { margin: 16px 0; padding-left: 24px; }
.page-content .content-body li { margin-bottom: 8px; color: var(--text-muted); }

/* Form */
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-weight: 500; margin-bottom: 8px; color: var(--text); }
.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-card);
    color: var(--text);
    font-family: var(--font);
    font-size: 1rem;
    transition: var(--transition);
}
.form-group input:focus,
.form-group textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(2, 132, 199, .2); }
.form-group textarea { min-height: 140px; resize: vertical; }
.alert { padding: 14px 18px; border-radius: var(--radius); margin-bottom: 20px; }
.alert-success { background: rgba(34, 197, 94, .15); color: #15803d; border: 1px solid rgba(34, 197, 94, .3); }
.alert-error { background: rgba(239, 68, 68, .15); color: #b91c1c; border: 1px solid rgba(239, 68, 68, .3); }

/* Animations */
.reveal { opacity: 0; transform: translateY(24px); }
.reveal.revealed { opacity: 1; transform: translateY(0); }

/* 404 */
.page-404 { text-align: center; padding: 80px 20px; }
.page-404 h1 { font-size: 6rem; font-weight: 800; color: var(--text-muted); margin-bottom: 16px; }
.page-404 p { color: var(--text-muted); margin-bottom: 24px; }