/* ==============================================================================
   Kütahya Uzman CMS - Frontend CSS (Hafif, Modern, Mobil Odaklı, Sıfır Bağımlılık)
   ============================================================================== */

:root {
    --primary: #0284c7;
    --primary-hover: #0369a1;
    --primary-light: #e0f2fe;
    --secondary: #0f172a;
    --secondary-hover: #1e293b;
    --accent: #f59e0b;
    --accent-hover: #d97706;
    --whatsapp: #25d366;
    --whatsapp-hover: #1ebd5a;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --bg-light: #f8fafc;
    --card-bg: #ffffff;
    --border: #e2e8f0;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
    --transition: all 0.2s ease-in-out;
}

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

body {
    font-family: var(--font);
    color: var(--text-main);
    background-color: var(--bg-light);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    padding-bottom: 70px; /* Mobil alt bar boşluğu */
}

@media (min-width: 769px) {
    body { padding-bottom: 0; }
}

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

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

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

/* ================= Top Bar & Header ================= */
.topbar {
    background-color: var(--secondary);
    color: #cbd5e1;
    font-size: 0.85rem;
    padding: 8px 0;
}
.topbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}
.topbar a { color: #f1f5f9; display: inline-flex; align-items: center; gap: 6px; }
.topbar a:hover { color: var(--accent); }
.topbar-right { display: flex; align-items: center; gap: 18px; }

.header {
    background: #ffffff;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 4px rgba(0,0,0,0.03);
}
.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 76px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--secondary);
}
.logo-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--primary), #0369a1);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
}
.logo-text span {
    display: block;
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--text-muted);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.nav { display: flex; align-items: center; gap: 26px; }
.nav-link {
    color: var(--secondary);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 8px 0;
    position: relative;
}
.nav-link:hover, .nav-link.active {
    color: var(--primary);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 22px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    text-align: center;
}
.btn-primary { background-color: var(--primary); color: #fff; }
.btn-primary:hover { background-color: var(--primary-hover); color: #fff; }
.btn-secondary { background-color: var(--secondary); color: #fff; }
.btn-secondary:hover { background-color: var(--secondary-hover); color: #fff; }
.btn-accent { background-color: var(--accent); color: #fff; }
.btn-accent:hover { background-color: var(--accent-hover); color: #fff; }
.btn-whatsapp { background-color: var(--whatsapp); color: #fff; }
.btn-whatsapp:hover { background-color: var(--whatsapp-hover); color: #fff; }
.btn-outline { background: transparent; border: 2px solid var(--border); color: var(--text-main); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); background: #fff; }
.btn-lg { padding: 14px 28px; font-size: 1.05rem; border-radius: var(--radius); }
.btn-sm { padding: 6px 14px; font-size: 0.85rem; }

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.6rem;
    color: var(--secondary);
    cursor: pointer;
}

/* ================= Hero Section ================= */
.hero {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: #ffffff;
    padding: 70px 0 60px;
    position: relative;
    overflow: hidden;
}
.hero::after {
    content: "";
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(2, 132, 199, 0.25) 0%, transparent 70%);
    pointer-events: none;
}
.hero-content {
    max-width: 800px;
    position: relative;
    z-index: 2;
}
.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}
.badge-pill {
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #f1f5f9;
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.hero h1 {
    font-size: 2.6rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 18px;
    letter-spacing: -0.5px;
}
.hero p {
    font-size: 1.15rem;
    color: #94a3b8;
    margin-bottom: 30px;
    line-height: 1.65;
}
.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

/* ================= Stats / Trust Strip ================= */
.trust-strip {
    background: #ffffff;
    border-bottom: 1px solid var(--border);
    padding: 24px 0;
}
.trust-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}
.trust-item {
    display: flex;
    align-items: center;
    gap: 14px;
}
.trust-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    flex-shrink: 0;
}
.trust-item h4 { font-size: 0.95rem; font-weight: 700; color: var(--secondary); margin-bottom: 2px; }
.trust-item p { font-size: 0.8rem; color: var(--text-muted); margin: 0; }

/* ================= Section Header ================= */
.section {
    padding: 70px 0;
}
.section-alt {
    background-color: #ffffff;
}
.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 50px;
}
.section-subtitle {
    color: var(--primary);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 1px;
    margin-bottom: 8px;
    display: block;
}
.section-title {
    font-size: 2.1rem;
    font-weight: 800;
    color: var(--secondary);
    line-height: 1.25;
    margin-bottom: 14px;
}
.section-desc {
    color: var(--text-muted);
    font-size: 1.05rem;
}

/* ================= Services Grid ================= */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}
.service-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 30px;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: var(--shadow);
}
.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: #cbd5e1;
}
.service-icon-box {
    width: 56px;
    height: 56px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 1.6rem;
}
.service-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 12px;
}
.service-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 20px;
    flex-grow: 1;
}
.service-features-list {
    list-style: none;
    margin-bottom: 24px;
    padding-top: 14px;
    border-top: 1px solid #f1f5f9;
}
.service-features-list li {
    font-size: 0.88rem;
    color: var(--text-main);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.service-features-list li::before {
    content: "✓";
    color: var(--primary);
    font-weight: bold;
}
.service-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

/* ================= Projects Grid ================= */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 26px;
}
.project-card {
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}
.project-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}
.project-img-holder {
    height: 220px;
    background: #e2e8f0;
    position: relative;
    overflow: hidden;
}
.project-img-holder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}
.project-card:hover .project-img-holder img {
    transform: scale(1.04);
}
.project-badge {
    position: absolute;
    top: 14px;
    left: 14px;
    background: rgba(15, 23, 42, 0.85);
    color: #fff;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.78rem;
    font-weight: 600;
}
.project-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}
.project-body h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 10px;
}
.project-body p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.55;
    margin-bottom: 18px;
    flex-grow: 1;
}
.project-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.82rem;
    color: var(--text-muted);
    border-top: 1px solid #f1f5f9;
    padding-top: 14px;
}

/* ================= Testimonials ================= */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}
.testimonial-card {
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 26px;
    box-shadow: var(--shadow);
}
.stars {
    color: var(--accent);
    margin-bottom: 12px;
    font-size: 1rem;
}
.testimonial-text {
    font-size: 0.92rem;
    color: var(--text-main);
    line-height: 1.6;
    margin-bottom: 18px;
    font-style: italic;
}
.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}
.author-avatar {
    width: 42px;
    height: 42px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
}
.author-info h4 { font-size: 0.92rem; font-weight: 700; color: var(--secondary); margin-bottom: 2px; }
.author-info span { font-size: 0.78rem; color: var(--text-muted); }

/* ================= Blog Grid ================= */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}
.post-card {
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}
.post-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.post-img { height: 190px; background: #e2e8f0; }
.post-img img { width: 100%; height: 100%; object-fit: cover; }
.post-body { padding: 22px; display: flex; flex-direction: column; flex-grow: 1; }
.post-meta { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 10px; display: flex; gap: 12px; }
.post-body h3 { font-size: 1.15rem; font-weight: 700; color: var(--secondary); margin-bottom: 10px; line-height: 1.4; }
.post-body p { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 18px; flex-grow: 1; }

/* ================= Lead Form & Quick Quote ================= */
.form-card {
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 34px;
    box-shadow: var(--shadow-lg);
}
.form-group {
    margin-bottom: 18px;
}
.form-group label {
    display: block;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 6px;
}
.form-control {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.95rem;
    color: var(--text-main);
    background-color: #ffffff;
    transition: var(--transition);
}
.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}
textarea.form-control {
    min-height: 110px;
    resize: vertical;
}

/* ================= CTA Banner ================= */
.cta-banner {
    background: linear-gradient(135deg, var(--primary) 0%, #0369a1 100%);
    color: #ffffff;
    padding: 50px 0;
    border-radius: var(--radius);
    text-align: center;
    margin: 50px 0;
}
.cta-banner h2 { font-size: 2rem; font-weight: 800; margin-bottom: 12px; }
.cta-banner p { font-size: 1.1rem; opacity: 0.9; max-width: 600px; margin: 0 auto 24px; }
.cta-banner .actions { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }

/* ================= Footer ================= */
.footer {
    background-color: var(--secondary);
    color: #94a3b8;
    padding: 60px 0 20px;
    font-size: 0.9rem;
}
.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 36px;
    margin-bottom: 50px;
}
.footer-col h4 {
    color: #ffffff;
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 18px;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: #94a3b8; }
.footer-col ul li a:hover { color: #ffffff; }
.footer-bottom {
    border-top: 1px solid #1e293b;
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 0.82rem;
}

/* ================= Mobile Sticky Contact Bar ================= */
.mobile-bar {
    display: none;
}
@media (max-width: 768px) {
    .mobile-bar {
        display: flex;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        height: 60px;
        background: #ffffff;
        border-top: 1px solid var(--border);
        z-index: 999;
        box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.08);
    }
    .mobile-bar-btn {
        flex: 1;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        font-size: 0.72rem;
        font-weight: 600;
        text-decoration: none;
        gap: 3px;
    }
    .mobile-bar-call { background: var(--secondary); color: #fff; }
    .mobile-bar-wa { background: var(--whatsapp); color: #fff; }
    .mobile-bar-quote { background: var(--primary); color: #fff; }
    .mobile-menu-toggle { display: block; }
    .nav {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 76px;
        left: 0;
        right: 0;
        background: #ffffff;
        border-bottom: 1px solid var(--border);
        padding: 20px;
        gap: 14px;
        box-shadow: var(--shadow-lg);
    }
    .nav.open { display: flex; }
    .hero h1 { font-size: 1.9rem; }
    .section-title { font-size: 1.7rem; }
}

/* ================= Alert & Toast ================= */
.alert {
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    font-size: 0.92rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.alert-success { background: #dcfce7; color: #166534; border: 1px solid #bbf7d0; }
.alert-error { background: #fee2e2; color: #991b1b; border: 1px solid #fecaca; }
.alert-warning { background: #fef3c7; color: #92400e; border: 1px solid #fde68a; }
.alert-info { background: #e0f2fe; color: #075985; border: 1px solid #bae6fd; }

/* Breadcrumb */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-muted);
    padding: 16px 0;
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb span { color: #94a3b8; }