/* PC Teknik Servis - Frontend Styles */
:root {
    --navy: #0f172a;
    --navy-light: #1e293b;
    --blue: #2563eb;
    --blue-dark: #1d4ed8;
    --blue-light: #3b82f6;
    --orange: #f97316;
    --orange-dark: #ea580c;
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gradient-hero: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #1e40af 100%);
    --gradient-accent: linear-gradient(135deg, #2563eb, #3b82f6);
    --shadow-sm: 0 1px 2px rgba(15,23,42,.06);
    --shadow: 0 4px 6px -1px rgba(15,23,42,.08), 0 2px 4px -2px rgba(15,23,42,.06);
    --shadow-lg: 0 10px 25px -5px rgba(15,23,42,.12), 0 8px 10px -6px rgba(15,23,42,.08);
    --shadow-xl: 0 20px 40px -10px rgba(15,23,42,.2);
    --radius: 12px;
    --radius-lg: 16px;
    --font: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
    --transition: .2s ease;
}

*, *::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(--gray-700);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--blue-dark); }
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.text-center { text-align: center; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }

/* Buttons */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 12px 24px; font-family: var(--font); font-size: 15px; font-weight: 600;
    border-radius: 10px; border: 2px solid transparent; cursor: pointer;
    transition: all var(--transition); text-decoration: none; white-space: nowrap;
}
.btn-primary { background: var(--gradient-accent); color: var(--white); box-shadow: 0 4px 14px rgba(37,99,235,.35); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(37,99,235,.45); color: var(--white); }
.btn-outline { background: transparent; color: var(--blue); border-color: var(--blue); }
.btn-outline:hover { background: var(--blue); color: var(--white); }
.btn-outline-light { background: transparent; color: var(--white); border-color: rgba(255,255,255,.4); }
.btn-outline-light:hover { background: rgba(255,255,255,.1); color: var(--white); border-color: var(--white); }
.btn-sm { padding: 8px 16px; font-size: 14px; }
.btn-lg { padding: 14px 32px; font-size: 16px; }
.btn-block { width: 100%; }

/* Header */
.site-header {
    position: sticky; top: 0; z-index: 1000;
    background: rgba(255,255,255,.95); backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--gray-200);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 20px; color: var(--navy); text-decoration: none; }
.logo-icon { font-size: 28px; }
.main-nav { display: flex; gap: 28px; }
.main-nav a { color: var(--gray-600); font-weight: 500; font-size: 15px; }
.main-nav a:hover { color: var(--blue); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.mobile-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.mobile-toggle span { display: block; width: 24px; height: 2px; background: var(--navy); border-radius: 2px; transition: var(--transition); }

/* Hero */
.hero { position: relative; padding: 80px 0 100px; overflow: hidden; }
.hero-bg {
    position: absolute; inset: 0;
    background: var(--gradient-hero);
    z-index: 0;
}
.hero-bg::after {
    content: ''; position: absolute; inset: 0;
    background: radial-gradient(ellipse at 70% 20%, rgba(59,130,246,.3) 0%, transparent 60%),
                radial-gradient(ellipse at 20% 80%, rgba(249,115,22,.15) 0%, transparent 50%);
}
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 420px; gap: 48px; align-items: center; }
.hero-badge {
    display: inline-block; padding: 6px 14px; background: rgba(249,115,22,.2);
    color: #fdba74; border-radius: 50px; font-size: 13px; font-weight: 600; margin-bottom: 16px;
}
.hero-content h1 { font-size: clamp(32px, 5vw, 48px); font-weight: 800; color: var(--white); line-height: 1.15; margin-bottom: 16px; }
.hero-subtitle { font-size: 18px; color: rgba(255,255,255,.8); margin-bottom: 28px; max-width: 520px; }
.hero-features { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 32px; }
.hero-feature {
    display: flex; align-items: center; gap: 8px; color: rgba(255,255,255,.9);
    font-size: 14px; font-weight: 500; background: rgba(255,255,255,.08);
    padding: 8px 14px; border-radius: 8px; border: 1px solid rgba(255,255,255,.1);
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-form-card {
    background: var(--white); border-radius: var(--radius-lg); padding: 28px;
    box-shadow: var(--shadow-xl);
}
.hero-form-card h3 { font-size: 20px; color: var(--navy); margin-bottom: 4px; }
.hero-form-card > p { font-size: 14px; color: var(--gray-500); margin-bottom: 20px; }

/* Sections */
.section { padding: 80px 0; }
.section-header { text-align: center; max-width: 640px; margin: 0 auto 48px; }
.section-badge {
    display: inline-block; padding: 4px 12px; background: rgba(37,99,235,.1);
    color: var(--blue); border-radius: 50px; font-size: 13px; font-weight: 600; margin-bottom: 12px;
}
.section-header h2 { font-size: clamp(28px, 4vw, 36px); font-weight: 800; color: var(--navy); margin-bottom: 12px; }
.section-header p { color: var(--gray-500); font-size: 17px; }

/* Services */
.services-section { background: var(--gray-50); }
.services-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; }
.service-card {
    background: var(--white); border-radius: var(--radius-lg); padding: 28px;
    border: 1px solid var(--gray-200); transition: all var(--transition);
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--blue-light); }
.service-icon {
    width: 56px; height: 56px; display: flex; align-items: center; justify-content: center;
    background: rgba(37,99,235,.1); color: var(--blue); border-radius: 14px; margin-bottom: 16px;
}
.service-card h3 { font-size: 18px; font-weight: 700; color: var(--navy); margin-bottom: 8px; }
.service-card p { font-size: 14px; color: var(--gray-500); line-height: 1.6; }
.services-grid-sm { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
.service-card-sm { padding: 20px; }
.service-card-sm h3 { font-size: 16px; }

/* Why */
.why-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.why-content h2 { font-size: 32px; font-weight: 800; color: var(--navy); margin-bottom: 12px; }
.why-content > p { color: var(--gray-500); margin-bottom: 28px; }
.why-list { list-style: none; display: flex; flex-direction: column; gap: 20px; }
.why-list li { display: flex; gap: 14px; }
.why-check {
    flex-shrink: 0; width: 28px; height: 28px; background: rgba(37,99,235,.1);
    color: var(--blue); border-radius: 8px; display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 14px;
}
.why-list strong { display: block; color: var(--navy); margin-bottom: 2px; }
.why-list p { font-size: 14px; color: var(--gray-500); margin: 0; }
.why-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.stat-card {
    background: var(--gradient-hero); border-radius: var(--radius-lg); padding: 28px; text-align: center;
    color: var(--white);
}
.stat-num { display: block; font-size: 36px; font-weight: 800; }
.stat-label { font-size: 14px; opacity: .8; }

/* Regions */
.region-selector { background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius-lg); padding: 28px; margin-bottom: 32px; }
.cities-grid { display: flex; flex-wrap: wrap; gap: 10px; }
.city-link {
    padding: 8px 16px; background: var(--gray-100); color: var(--gray-700);
    border-radius: 8px; font-size: 14px; font-weight: 500; transition: all var(--transition);
}
.city-link:hover { background: var(--blue); color: var(--white); }

/* FAQ */
.faq-section { background: var(--gray-50); }
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
    background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius);
    overflow: hidden;
}
.faq-item summary {
    padding: 18px 24px; font-weight: 600; color: var(--navy); cursor: pointer;
    list-style: none; display: flex; justify-content: space-between; align-items: center;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; font-size: 20px; color: var(--blue); }
.faq-item[open] summary::after { content: '−'; }
.faq-item p { padding: 0 24px 18px; color: var(--gray-500); font-size: 15px; }

/* Testimonials */
.testimonials-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; }
.testimonial-card {
    background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius-lg);
    padding: 28px; position: relative;
}
.testimonial-card::before {
    content: '"'; position: absolute; top: 16px; right: 24px; font-size: 48px;
    color: var(--gray-200); font-family: Georgia, serif; line-height: 1;
}
.stars { color: var(--orange); font-size: 16px; margin-bottom: 12px; }
.testimonial-card p { font-size: 15px; color: var(--gray-600); margin-bottom: 16px; font-style: italic; }
.testimonial-author strong { display: block; color: var(--navy); font-size: 14px; }
.testimonial-author span { font-size: 13px; color: var(--gray-400); }

/* Blog */
.blog-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 28px; }
.blog-card {
    background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius-lg);
    overflow: hidden; transition: all var(--transition);
}
.blog-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.blog-card-img img { width: 100%; height: 200px; object-fit: cover; }
.blog-card-body { padding: 24px; }
.blog-card-body time { font-size: 13px; color: var(--gray-400); }
.blog-card-body h2, .blog-card-body h3 { font-size: 18px; font-weight: 700; color: var(--navy); margin: 8px 0; }
.blog-card-body h2 a, .blog-card-body h3 a { color: inherit; }
.blog-card-body h2 a:hover, .blog-card-body h3 a:hover { color: var(--blue); }
.blog-card-body p { font-size: 14px; color: var(--gray-500); margin-bottom: 12px; }
.read-more { font-size: 14px; font-weight: 600; color: var(--blue); }
.blog-single { max-width: 800px; margin: 0 auto; }
.blog-single-img { border-radius: var(--radius-lg); margin-bottom: 32px; width: 100%; }

/* Contact */
.contact-section { background: var(--gray-50); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.contact-info h2 { font-size: 32px; font-weight: 800; color: var(--navy); margin-bottom: 12px; }
.contact-info > p { color: var(--gray-500); margin-bottom: 24px; }
.contact-list { list-style: none; display: flex; flex-direction: column; gap: 12px; font-size: 16px; }
.contact-form-wrap {
    background: var(--white); border-radius: var(--radius-lg); padding: 28px;
    border: 1px solid var(--gray-200); box-shadow: var(--shadow);
}

/* Forms */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 14px; font-weight: 600; color: var(--gray-700); margin-bottom: 6px; }
.form-control {
    width: 100%; padding: 12px 14px; font-family: var(--font); font-size: 15px;
    border: 1px solid var(--gray-300); border-radius: 10px; background: var(--white);
    color: var(--gray-700); transition: border-color var(--transition);
}
.form-control:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(37,99,235,.15); }
.form-control:disabled { background: var(--gray-100); cursor: not-allowed; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.radio-group { display: flex; flex-wrap: wrap; gap: 16px; }
.radio-label { display: flex; align-items: center; gap: 6px; font-size: 14px; cursor: pointer; }
.form-message { padding: 12px; border-radius: 8px; font-size: 14px; margin-bottom: 12px; }
.form-message.success { background: #dcfce7; color: #166534; }
.form-message.error { background: #fee2e2; color: #991b1b; }

/* Page hero */
.page-hero {
    background: var(--gradient-hero); padding: 60px 0; color: var(--white);
}
.page-hero h1 { font-size: clamp(28px, 4vw, 40px); font-weight: 800; margin-bottom: 12px; }
.page-hero-desc { font-size: 17px; opacity: .85; max-width: 640px; }
.regional-hero .hero-cta { margin-top: 24px; }

/* Breadcrumb */
.breadcrumb { margin-bottom: 16px; }
.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; font-size: 14px; }
.breadcrumb li:not(:last-child)::after { content: '/'; margin-left: 8px; opacity: .5; }
.breadcrumb a { color: rgba(255,255,255,.7); }
.breadcrumb a:hover { color: var(--white); }
.breadcrumb li[aria-current] { color: rgba(255,255,255,.9); }

/* Content */
.content-grid { display: grid; grid-template-columns: 1fr 380px; gap: 40px; align-items: start; }
.content-body { font-size: 16px; line-height: 1.8; color: var(--gray-600); margin-bottom: 32px; }
.content-body h2 { font-size: 24px; color: var(--navy); margin: 24px 0 12px; }
.content-body p { margin-bottom: 16px; }
.content-main h2 { font-size: 24px; font-weight: 700; color: var(--navy); margin-bottom: 20px; }
.sidebar-card {
    background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius-lg);
    padding: 24px; margin-bottom: 20px; box-shadow: var(--shadow);
}
.sidebar-card h3, .sidebar-card h4 { font-size: 18px; color: var(--navy); margin-bottom: 16px; }
.sidebar-cta { text-align: center; background: var(--gradient-hero); color: var(--white); border: none; }
.sidebar-cta h4 { color: var(--white); }
.phone-big { display: block; font-size: 24px; font-weight: 800; color: var(--white); margin-top: 8px; }
.phone-big:hover { color: #fdba74; }

/* Pagination */
.pagination ul { list-style: none; display: flex; justify-content: center; gap: 8px; margin-top: 32px; }
.pagination a, .pagination li.active {
    display: flex; align-items: center; justify-content: center;
    width: 40px; height: 40px; border-radius: 8px; font-weight: 600; font-size: 14px;
}
.pagination a { background: var(--gray-100); color: var(--gray-700); }
.pagination a:hover { background: var(--blue); color: var(--white); }
.pagination li.active { background: var(--blue); color: var(--white); }

/* Footer */
.site-footer { background: var(--navy); color: rgba(255,255,255,.7); padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 48px; }
.footer-col h4 { color: var(--white); font-size: 16px; margin-bottom: 16px; }
.footer-col p { font-size: 14px; line-height: 1.7; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 8px; }
.footer-col a { color: rgba(255,255,255,.6); font-size: 14px; }
.footer-col a:hover { color: var(--white); }
.footer-contact a { color: rgba(255,255,255,.8); }
.social-links { display: flex; flex-direction: column; gap: 8px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 20px 0; text-align: center; font-size: 14px; }

/* Float buttons */
.whatsapp-float {
    position: fixed; bottom: 24px; right: 24px; width: 56px; height: 56px;
    background: #25d366; color: var(--white); border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 4px 20px rgba(37,211,102,.4); z-index: 999;
    transition: transform var(--transition);
}
.whatsapp-float:hover { transform: scale(1.08); color: var(--white); }
.call-float {
    position: fixed; bottom: 24px; left: 24px; width: 52px; height: 52px;
    background: var(--orange); color: var(--white); border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 4px 16px rgba(249,115,22,.4); z-index: 999;
}
.call-float:hover { color: var(--white); }

/* Error */
.error-section { padding: 100px 0; }
.error-code { font-size: 120px; font-weight: 800; color: var(--gray-200); line-height: 1; margin-bottom: 16px; }

/* Utilities */
.hide-mobile { display: inline-flex; }
.hide-desktop { display: none; }

/* Responsive */
@media (max-width: 992px) {
    .hero-grid, .why-grid, .contact-grid, .content-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .hero { padding: 60px 0 80px; }
    .hero-form-card { order: -1; }
}
@media (max-width: 768px) {
    .main-nav {
        position: fixed; top: 72px; left: 0; right: 0; background: var(--white);
        flex-direction: column; padding: 20px; gap: 0; border-bottom: 1px solid var(--gray-200);
        transform: translateY(-120%); opacity: 0; transition: all .3s; pointer-events: none;
    }
    .main-nav.open { transform: translateY(0); opacity: 1; pointer-events: all; }
    .main-nav a { padding: 12px 0; border-bottom: 1px solid var(--gray-100); }
    .mobile-toggle { display: flex; }
    .hide-mobile { display: none !important; }
    .hide-desktop { display: flex; }
    .form-row { grid-template-columns: 1fr; }
    .why-stats { grid-template-columns: 1fr 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .section { padding: 60px 0; }
}