/* NavTekstil - Promosyon Tekstil - Modern Clean Design */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

:root {
    --primary: #1a3a5c;
    --primary-light: #2d5a8c;
    --primary-dark: #0f2340;
    --accent: #e63946;
    --bg: #f8f9fb;
    --white: #ffffff;
    --text: #1a1a2e;
    --text-light: #4a5568;
    --border: #e2e8f0;
    --shadow: 0 1px 3px rgba(0,0,0,0.06), 0 4px 12px rgba(0,0,0,0.04);
    --shadow-lg: 0 4px 24px rgba(0,0,0,0.08);
    --radius: 16px;
    --radius-sm: 10px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

/* Header */
.header {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}
.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    max-width: 1200px;
    margin: 0 auto;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--primary);
    font-size: 1.5rem;
    font-weight: 800;
}
.logo-icon { font-size: 1.8rem; }
.logo-text strong { color: var(--accent); }
.nav { display: flex; gap: 28px; align-items: center; }
.nav a {
    color: var(--text);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: color 0.2s;
}
.nav a:hover, .nav a.active { color: var(--primary); }
.nav .btn-nav {
    background: var(--primary);
    color: var(--white);
    padding: 10px 20px;
    border-radius: 8px;
    transition: var(--transition);
}
.nav .btn-nav:hover { background: var(--primary-light); color: var(--white); }
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--primary);
}
.mobile-menu {
    display: none;
    flex-direction: column;
    padding: 15px 20px;
    background: var(--white);
    border-top: 1px solid var(--border);
}
.mobile-menu.show { display: flex; }
.mobile-menu a {
    padding: 12px 0;
    color: var(--text);
    text-decoration: none;
    font-weight: 600;
    border-bottom: 1px solid #f5f5f5;
}

/* Hero */
.hero {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
    color: var(--white);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="60" height="60"><rect width="60" height="60" fill="none"/><path d="M0 30h60M30 0v60" stroke="rgba(255,255,255,0.03)" stroke-width="1"/></svg>');
}
.hero-content { text-align: center; max-width: 700px; margin: 0 auto; position: relative; }
.hero h1 { font-size: 3rem; font-weight: 900; line-height: 1.2; margin-bottom: 16px; }
.hero p { font-size: 1.2rem; opacity: 0.9; margin-bottom: 32px; }
.hero-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 50px;
    margin-top: 60px;
    flex-wrap: wrap;
    position: relative;
}
.hero-stat { text-align: center; }
.hero-stat-number { font-size: 2.5rem; font-weight: 900; color: var(--white); }
.hero-stat-label { font-size: 0.85rem; opacity: 0.8; text-transform: uppercase; letter-spacing: 1px; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.95rem;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    text-align: center;
    justify-content: center;
}
.btn-primary { background: var(--accent); color: var(--white); }
.btn-primary:hover { background: #c92e3e; transform: translateY(-2px); }
.btn-outline { background: transparent; color: var(--white); border: 2px solid var(--white); }
.btn-outline:hover { background: var(--white); color: var(--primary); }
.btn-lg { padding: 16px 36px; font-size: 1.05rem; }
.btn-block { width: 100%; }

/* Sections */
.section { padding: 80px 0; }
.section-alt { background: var(--white); }
.section-title {
    text-align: center;
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 8px;
}
.section-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 1.05rem;
    margin-bottom: 50px;
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    color: var(--white);
    padding: 60px 0;
    text-align: center;
}
.page-header h1 { font-size: 2.5rem; font-weight: 900; margin-bottom: 8px; }
.page-header p { font-size: 1.1rem; opacity: 0.9; }

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}
.service-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 32px 24px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    will-change: transform;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.service-icon { font-size: 3rem; margin-bottom: 16px; }
.service-card h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 8px; }
.service-card p { color: var(--text-light); font-size: 0.9rem; }

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}
.product-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 32px 24px;
    text-align: center;
    text-decoration: none;
    color: var(--text);
    box-shadow: var(--shadow);
    transition: var(--transition);
    will-change: transform;
    position: relative;
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.product-emoji { font-size: 3.5rem; margin-bottom: 16px; }
.product-card h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 8px; }
.product-card p { color: var(--text-light); font-size: 0.9rem; margin-bottom: 12px; }
.product-link { color: var(--accent); font-weight: 600; font-size: 0.9rem; }

/* Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}
.feature-item {
    background: var(--white);
    border-radius: var(--radius);
    padding: 32px 24px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}
.feature-item:hover { box-shadow: var(--shadow-lg); }
.feature-icon { font-size: 2.5rem; margin-bottom: 16px; }
.feature-item h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 8px; }
.feature-item p { color: var(--text-light); font-size: 0.9rem; }

/* Product Sections (urunler.html) */
.product-section { margin-bottom: 50px; }
.product-section-title {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 3px solid var(--primary);
}
.product-items {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
}
.product-item {
    background: var(--white);
    border-radius: var(--radius);
    padding: 28px 20px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    will-change: transform;
    position: relative;
}
.product-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.product-emoji-lg { font-size: 3rem; margin-bottom: 12px; }
.product-item h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 6px; }
.product-item p { color: var(--text-light); font-size: 0.85rem; }
.badge {
    display: inline-block;
    background: var(--accent);
    color: var(--white);
    font-size: 0.7rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 50px;
    margin-top: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Service Detail (hizmetler.html) */
.services-detail { display: flex; flex-direction: column; gap: 32px; }
.service-detail-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 32px;
    box-shadow: var(--shadow);
    display: flex;
    gap: 24px;
}
.service-detail-icon { font-size: 3rem; flex-shrink: 0; }
.service-detail-content h2 { font-size: 1.5rem; font-weight: 800; margin-bottom: 8px; }
.service-detail-content > p { color: var(--text-light); margin-bottom: 20px; }
.service-sub-items {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 16px;
}
.service-sub-item {
    background: var(--bg);
    border-radius: var(--radius-sm);
    padding: 16px;
}
.service-sub-item h3 { font-size: 1rem; font-weight: 700; margin-bottom: 4px; color: var(--primary); }
.service-sub-item p { font-size: 0.85rem; color: var(--text-light); }

/* About */
.about-content { max-width: 900px; margin: 0 auto; }
.about-content h2 { font-size: 1.8rem; font-weight: 800; margin: 40px 0 16px; color: var(--text); }
.about-content p { color: var(--text-light); margin-bottom: 16px; font-size: 1rem; }
.about-list { list-style: none; padding: 0; }
.about-list li {
    padding: 12px 0;
    color: var(--text-light);
    border-bottom: 1px solid var(--border);
}
.about-list li strong { color: var(--text); }
.about-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-top: 20px;
}
.about-feature {
    background: var(--white);
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
    box-shadow: var(--shadow);
}
.about-feature-icon { font-size: 2.5rem; margin-bottom: 12px; }
.about-feature h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 6px; }
.about-feature p { font-size: 0.85rem; color: var(--text-light); }
.sectors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 12px;
    margin-top: 20px;
}
.sector-item {
    background: var(--white);
    border: 2px solid var(--border);
    border-radius: 50px;
    padding: 12px 20px;
    text-align: center;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--primary);
}

/* CTA */
.cta-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: var(--white);
    padding: 60px 0;
    text-align: center;
}
.cta-section h2 { font-size: 2rem; font-weight: 800; margin-bottom: 8px; }
.cta-section p { font-size: 1.1rem; opacity: 0.9; margin-bottom: 28px; }

/* Contact */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 40px;
}
.contact-info h2 { font-size: 1.5rem; font-weight: 800; margin-bottom: 24px; }
.contact-item {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
    align-items: flex-start;
}
.contact-icon { font-size: 1.8rem; flex-shrink: 0; }
.contact-item h3 { font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
.contact-item p { color: var(--text-light); font-size: 0.9rem; }
.contact-item a { color: var(--text-light); text-decoration: none; }
.contact-item a:hover { color: var(--primary); }

.contact-form-wrap h2 { font-size: 1.5rem; font-weight: 800; margin-bottom: 8px; }
.form-subtitle { color: var(--text-light); margin-bottom: 24px; }
.contact-form {
    background: var(--white);
    border-radius: var(--radius);
    padding: 32px;
    box-shadow: var(--shadow);
}
.form-row { display: flex; gap: 16px; }
.form-group { margin-bottom: 16px; flex: 1; }
.form-group label { display: block; font-weight: 600; font-size: 0.85rem; margin-bottom: 6px; color: var(--text); }
.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 12px 14px;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: inherit;
    transition: border-color 0.2s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    border-color: var(--primary);
    outline: none;
}
.form-group textarea { resize: vertical; }

/* Footer */
.footer {
    background: var(--primary-dark);
    color: rgba(255,255,255,0.7);
    padding: 50px 0 20px;
    margin-top: auto;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 32px;
    margin-bottom: 32px;
}
.footer-logo {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 12px;
}
.footer-logo strong { color: var(--accent); }
.footer-col p { font-size: 0.9rem; margin-bottom: 8px; }
.footer-col h4 { font-size: 1rem; font-weight: 700; color: var(--white); margin-bottom: 12px; }
.footer-col a {
    display: block;
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    font-size: 0.9rem;
    padding: 4px 0;
    transition: color 0.2s;
}
.footer-col a:hover { color: var(--white); }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 20px;
    text-align: center;
    font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 768px) {
    .nav { display: none; }
    .mobile-menu-btn { display: block; }
    .hero h1 { font-size: 2rem; }
    .hero p { font-size: 1rem; }
    .hero-stats { gap: 24px; margin-top: 40px; }
    .hero-stat-number { font-size: 1.8rem; }
    .section { padding: 50px 0; }
    .section-title { font-size: 1.6rem; }
    .contact-grid { grid-template-columns: 1fr; }
    .form-row { flex-direction: column; gap: 0; }
    .service-detail-card { flex-direction: column; gap: 16px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .products-grid, .services-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .hero h1 { font-size: 1.6rem; }
    .hero-buttons { flex-direction: column; }
    .hero-buttons .btn { width: 100%; }
    .footer-grid { grid-template-columns: 1fr; }
    .product-items { grid-template-columns: 1fr 1fr; }
}
/* Slider */
.slider {
    position: relative;
    height: 450px;
    overflow: hidden;
    background: linear-gradient(135deg, #0f2340 0%, #1a3a5c 50%, #2d5a8c 100%);
}
.slider-track {
    position: relative;
    width: 100%;
    height: 100%;
}
.slide {
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
    background-size: cover;
    background-position: center;
    pointer-events: none;
}
.slide.active {
    opacity: 1;
    z-index: 2;
    pointer-events: auto;
}
.slide-overlay {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, rgba(15,35,64,0.85) 0%, rgba(26,58,92,0.7) 100%);
    padding: 60px 0;
}
.slide-overlay h2 {
    color: #fff;
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 12px;
    line-height: 1.2;
}
.slide-overlay p {
    color: rgba(255,255,255,0.9);
    font-size: 1.15rem;
    margin-bottom: 24px;
    max-width: 600px;
}
.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.2);
    color: #fff;
    border: none;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    z-index: 5;
    transition: background 0.2s;
}
.slider-arrow:hover {
    background: rgba(255,255,255,0.4);
}
.slider-prev { left: 20px; }
.slider-next { right: 20px; }
.slider-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 5;
}
.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.4);
    cursor: pointer;
    transition: background 0.2s;
}
.slider-dot.active {
    background: #fff;
}
@media (max-width: 768px) {
    .slider { height: 300px; }
    .slide-overlay h2 { font-size: 1.6rem; }
    .slide-overlay p { font-size: 0.95rem; }
    .slider-arrow { width: 36px; height: 36px; font-size: 1rem; }
}

/* Footer Social Media Icons */
.footer-social {
    display: flex;
    gap: 12px;
    margin-top: 16px;
}
.footer-social .social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.7);
    transition: all 0.3s ease;
    text-decoration: none;
}
.footer-social .social-icon:hover {
    background: var(--accent);
    color: #fff;
    transform: translateY(-3px);
}
.footer-social .social-icon svg {
    width: 18px;
    height: 18px;
}