/* İzmir TAS DUVAR - MİNİMALİST PROFESYONEL STİL */
:root {
    --primary: #8B2335;
    --primary-dark: #5C1523;
    --primary-light: #A93040;
    --secondary: #2D2D2D;
    --accent: #C9A050;
    --text-dark: #1A1A1A;
    --text-light: #5A5A5A;
    --bg-light: #F5F5F5;
    --bg-white: #FFFFFF;
    --border: #E5E5E5;
    --shadow: 0 2px 12px rgba(0,0,0,0.06);
    --shadow-lg: 0 4px 20px rgba(0,0,0,0.10);
    --radius: 8px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: 'Inter', 'Segoe UI', sans-serif; line-height: 1.7; color: var(--text-dark); background: var(--bg-white); overflow-x: hidden; font-size: 16px; }
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: all 0.3s; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* TOP BAR */
.top-bar { background: #F0F0F0; color: #666; padding: 10px 0; font-size: 13px; border-bottom: 1px solid #E5E5E5; }
.top-bar .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }
.top-bar-left { display: flex; align-items: center; gap: 20px; }
.top-bar a { color: #666; }
.top-bar a:hover { color: var(--primary); }
.top-bar i { color: var(--primary); margin-right: 4px; }

/* HEADER */
.header { background: white; border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 1000; padding: 14px 0; }
.header .container { display: flex; justify-content: space-between; align-items: center; }
.logo { display: flex; align-items: center; gap: 14px; }
.site-logo-img, .izmir-tas-duvar-logo, .site-izmir-tas-duvar-logo-img { height: 42px; max-width: 150px; width: auto; object-fit: contain; }
.logo-icon { width: 56px; height: 56px; background: linear-gradient(135deg, var(--primary), var(--primary-dark)); border-radius: 12px; display: flex; align-items: center; justify-content: center; color: white; font-size: 24px; }
.logo-text h1 { font-size: 22px; color: var(--primary-dark); font-weight: 700; }
.logo-text p { font-size: 12px; color: var(--text-light); margin: 0; text-transform: uppercase; letter-spacing: 1px; }
.nav-menu { display: flex; gap: 4px; list-style: none; }
.nav-menu a { color: var(--text-dark); font-weight: 500; padding: 10px 18px; position: relative; font-size: 14px; letter-spacing: 0.3px; }
.nav-menu a:hover, .nav-menu a.active { color: var(--primary); }
.mobile-toggle { display: none; background: none; border: none; font-size: 22px; cursor: pointer; color: var(--text-dark); padding: 8px; }

/* HERO */
.hero { background: linear-gradient(135deg, #1A1A1A 0%, #2D2D2D 50%, #1A1A1A 100%); min-height: 100vh; display: flex; align-items: center; justify-content: center; position: relative; overflow: hidden; color: white; padding: 120px 20px 80px; }
.hero::before { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: url('https://bursatasduvar.com/images/bursatasduvar-anasayfa.jpg') center/cover no-repeat; opacity: 0.15; }
.hero::after { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 120px; background: linear-gradient(to top, var(--bg-white), transparent); }
.hero-overlay { position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: linear-gradient(180deg, rgba(26,26,26,0.3) 0%, rgba(26,26,26,0.7) 100%); z-index: 1; }
.hero-content { max-width: 900px; margin: 0 auto; position: relative; z-index: 2; text-align: center; }
.hero-badge-wrapper { display: flex; align-items: center; justify-content: center; gap: 16px; margin-bottom: 24px; }
.hero-badge-line { width: 40px; height: 1px; background: rgba(255,255,255,0.4); }
.hero-badge { display: inline-block; color: rgba(255,255,255,0.9); padding: 8px 20px; font-size: 12px; font-weight: 500; text-transform: uppercase; letter-spacing: 2px; border: 1px solid rgba(255,255,255,0.3); }
.hero h1 { font-size: 56px; margin-bottom: 24px; font-weight: 800; line-height: 1.1; letter-spacing: -2px; color: white; }
.hero-subtitle { font-size: 18px; margin-bottom: 40px; opacity: 0.85; max-width: 650px; margin-left: auto; margin-right: auto; line-height: 1.7; color: rgba(255,255,255,0.9); }
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 60px; }
.hero-actions .btn { min-width: 200px; }
.btn-lg { padding: 18px 36px; font-size: 15px; }
.btn-outline-white { background: transparent; color: white; border: 1.5px solid rgba(255,255,255,0.5); }
.btn-outline-white:hover { background: white; color: #1A1A1A; border-color: white; }
.hero-stats { display: flex; justify-content: center; align-items: center; gap: 40px; padding-top: 40px; border-top: 1px solid rgba(255,255,255,0.15); }
.hero-stat { text-align: center; }
.hero-stat-number { display: block; font-size: 36px; font-weight: 800; letter-spacing: -1px; color: white; }
.hero-stat-label { display: block; font-size: 13px; color: rgba(255,255,255,0.6); text-transform: uppercase; letter-spacing: 1px; margin-top: 4px; }
.hero-stat-divider { width: 1px; height: 50px; background: rgba(255,255,255,0.2); }

/* BUTONLAR */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 14px 28px; border-radius: var(--radius); font-weight: 600; font-size: 14px; cursor: pointer; border: none; transition: all 0.25s; letter-spacing: 0.3px; }
.btn i { font-size: 16px; }
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); }
.btn-secondary { background: white; color: var(--primary); border: 1.5px solid var(--primary); }
.btn-secondary:hover { background: var(--primary); color: white; }
.btn-outline { background: transparent; color: var(--primary); border: 1.5px solid var(--primary); }
.btn-outline:hover { background: var(--primary); color: white; }

/* STICKY BUTONLAR */
.sticky-buttons { position: fixed; right: 20px; bottom: 20px; z-index: 9999; display: flex; flex-direction: column; gap: 10px; }
.sticky-btn { width: 54px; height: 54px; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: white; font-size: 22px; box-shadow: 0 4px 12px rgba(0,0,0,0.15); transition: all 0.25s; }
.sticky-btn i { font-size: 22px; }
.sticky-btn:hover { transform: scale(1.08); }
.sticky-btn.whatsapp { background: #25D366; }
.sticky-btn.phone { background: var(--primary); }

/* BOLUMLER */
.section { padding: 80px 20px; }
.section-light { background: var(--bg-light); }
.section-title { text-align: center; margin-bottom: 50px; }
.section-title h2 { font-size: 32px; color: #1A1A1A; margin-bottom: 14px; font-weight: 700; letter-spacing: -0.5px; }
.section-title p { font-size: 16px; color: #666; max-width: 600px; margin: 0 auto; }

/* HIZMET KARTLARI */
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; margin-top: 40px; }
.service-card { background: white; border-radius: var(--radius); padding: 32px 24px; border: 1px solid var(--border); text-align: center; transition: all 0.3s; }
.service-card:hover { border-color: var(--primary); box-shadow: var(--shadow-lg); }
.service-icon { width: 56px; height: 56px; background: var(--primary); border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; color: white; font-size: 20px; }
.service-card h3 { font-size: 18px; color: #1A1A1A; margin-bottom: 12px; font-weight: 600; }
.service-card p { color: #666; margin-bottom: 16px; font-size: 14px; line-height: 1.6; }
.service-card .link { color: var(--primary); font-weight: 600; font-size: 13px; text-transform: uppercase; letter-spacing: 0.5px; }

/* OZELLIKLER */
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; margin-top: 40px; }
.feature-item { display: flex; gap: 16px; align-items: flex-start; padding: 24px; background: white; border: 1px solid var(--border); transition: all 0.3s; }
.feature-item:hover { border-color: var(--primary); }
.feature-icon { flex-shrink: 0; width: 44px; height: 44px; background: var(--bg-light); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 18px; color: var(--primary); }
.feature-content h4 { color: #1A1A1A; margin-bottom: 6px; font-size: 16px; font-weight: 600; }
.feature-content p { color: #666; font-size: 13px; line-height: 1.5; }

/* GALERI */
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 40px; }
.gallery-item { position: relative; border-radius: var(--radius); overflow: hidden; aspect-ratio: 4/3; cursor: pointer; background: #333; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: all 0.4s; }
.gallery-item:hover img { transform: scale(1.05); }
.gallery-overlay { position: absolute; bottom: 0; left: 0; right: 0; padding: 20px; background: linear-gradient(to top, rgba(0,0,0,0.9), transparent); z-index: 2; opacity: 0; transition: all 0.3s; }
.gallery-item:hover .gallery-overlay { opacity: 1; }
.gallery-overlay h4 { color: white; font-size: 16px; font-weight: 600; margin-bottom: 2px; }
.gallery-overlay p { color: rgba(255,255,255,0.7); font-size: 12px; }

/* CTA */
.cta-section { background: #1A1A1A; color: white; padding: 70px 20px; text-align: center; }
.cta-section h2 { font-size: 30px; margin-bottom: 16px; font-weight: 700; letter-spacing: -0.5px; }
.cta-section p { font-size: 16px; margin-bottom: 30px; color: #AAA; max-width: 600px; margin-left: auto; margin-right: auto; }

/* ILETISIM */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-top: 40px; }
.contact-info { background: #1A1A1A; color: white; padding: 40px; border-radius: var(--radius); }
.contact-info h3 { font-size: 20px; margin-bottom: 24px; color: white; font-weight: 600; }
.contact-item { display: flex; align-items: center; gap: 14px; margin-bottom: 20px; }
.contact-item-icon { flex-shrink: 0; width: 40px; height: 40px; background: rgba(255,255,255,0.1); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 16px; color: white; }
.contact-item strong { display: block; margin-bottom: 2px; color: white; font-size: 14px; font-weight: 600; }
.contact-item span, .contact-item a { color: #AAA; font-size: 13px; }
.contact-item a:hover { color: white; }
.contact-form { background: white; padding: 40px; border: 1px solid var(--border); }
.contact-form h3 { font-size: 20px; margin-bottom: 8px; color: #1A1A1A; font-weight: 600; }
.contact-form > p { color: #666; margin-bottom: 24px; font-size: 14px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; margin-bottom: 6px; font-weight: 500; color: #333; font-size: 13px; }
.form-group input, .form-group textarea, .form-group select { width: 100%; padding: 12px 14px; border: 1px solid #DDD; border-radius: var(--radius); font-size: 14px; font-family: inherit; transition: all 0.25s; background: #FAFAFA; }
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { outline: none; border-color: var(--primary); background: white; }
.form-group textarea { resize: vertical; min-height: 110px; }

/* FOOTER */
.footer { background: #F0F0F0; color: #333; padding: 60px 20px 30px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-col h4 { color: #1A1A1A; margin-bottom: 20px; font-size: 15px; font-weight: 700; letter-spacing: 0.5px; text-transform: uppercase; }
.footer-col p { color: #666; font-size: 14px; line-height: 1.7; margin-bottom: 10px; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: #555; font-size: 14px; font-weight: 500; }
.footer-col a:hover { color: var(--primary); }
.footer-contact-item { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; color: #555; font-size: 14px; }
.footer-contact-item i { color: var(--primary); width: 16px; text-align: center; }
.footer-contact-item a { color: #555; }
.footer-contact-item a:hover { color: var(--primary); }
.footer-bottom { border-top: 1px solid #DDD; padding-top: 24px; text-align: center; color: #888; font-size: 13px; }

/* SAYFA HERO */
.page-hero { background: #1A1A1A; color: white; padding: 80px 20px; text-align: center; position: relative; }
.page-hero::after { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 60px; background: linear-gradient(to top, var(--bg-white), transparent); }
.page-hero h1 { font-size: 36px; margin-bottom: 12px; font-weight: 700; letter-spacing: -0.5px; }
.breadcrumb { display: flex; justify-content: center; gap: 8px; font-size: 14px; opacity: 0.7; position: relative; z-index: 1; }
.breadcrumb a { color: white; }
.breadcrumb a:hover { opacity: 0.8; }

/* ICERIK */
.content-wrapper { max-width: 1000px; margin: 0 auto; padding: 50px 20px; }
.content-wrapper h2 { color: #1A1A1A; font-size: 26px; margin: 32px 0 16px; font-weight: 700; position: relative; padding-left: 16px; }
.content-wrapper h2::before { content: ''; position: absolute; left: 0; top: 6px; bottom: 6px; width: 3px; background: var(--primary); border-radius: 2px; }
.content-wrapper h3 { color: var(--primary); font-size: 20px; margin: 28px 0 14px; font-weight: 600; }
.content-wrapper p { margin-bottom: 16px; color: #444; font-size: 15px; line-height: 1.7; }

/* SAYFA HERO */
.page-hero { background: linear-gradient(135deg, var(--primary-dark), var(--secondary)); color: white; padding: 100px 20px; text-align: center; position: relative; }
.page-hero::after { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 80px; background: linear-gradient(to top, var(--bg-white), transparent); }
.page-hero h1 { font-size: 44px; margin-bottom: 16px; font-weight: 800; }
.breadcrumb { display: flex; justify-content: center; gap: 10px; font-size: 15px; opacity: 0.9; position: relative; z-index: 1; }
.breadcrumb a { color: rgba(255,255,255,0.8); display: flex; align-items: center; gap: 8px; }
.breadcrumb a:hover { color: var(--accent); }

/* ICERIK */
.content-wrapper { max-width: 1100px; margin: 0 auto; padding: 60px 20px; }
.content-wrapper h2 { color: var(--primary-dark); font-size: 32px; margin: 40px 0 20px; font-weight: 800; position: relative; padding-left: 20px; }
.content-wrapper h2::before { content: ''; position: absolute; left: 0; top: 8px; bottom: 8px; width: 4px; background: var(--accent); border-radius: 2px; }
.content-wrapper h3 { color: var(--primary); font-size: 24px; margin: 32px 0 16px; font-weight: 700; }
.content-wrapper p { margin-bottom: 20px; color: #4A5568; font-size: 16px; line-height: 1.8; }
.content-wrapper ul, .content-wrapper ol { margin: 16px 0 28px 28px; }
.content-wrapper li { margin-bottom: 12px; color: #4A5568; font-size: 16px; line-height: 1.7; }

/* LIGHTBOX */
.lightbox { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.95); z-index: 10000; justify-content: center; align-items: center; padding: 40px; }
.lightbox.active { display: flex; }
.lightbox-content { max-width: 90%; max-height: 90%; position: relative; }
.lightbox-content img { max-width: 100%; max-height: 85vh; border-radius: var(--radius); }
.lightbox-close { position: absolute; top: 20px; right: 20px; width: 44px; height: 44px; background: rgba(255,255,255,0.1); border: none; border-radius: 50%; color: white; font-size: 20px; cursor: pointer; transition: all 0.3s; z-index: 10001; }
.lightbox-close:hover { background: rgba(255,255,255,0.2); }
.lightbox-nav { position: absolute; top: 50%; transform: translateY(-50%); width: 44px; height: 44px; background: rgba(255,255,255,0.1); border: none; border-radius: 50%; color: white; font-size: 18px; cursor: pointer; transition: all 0.3s; }
.lightbox-nav:hover { background: var(--primary); }
.lightbox-prev { left: 20px; }
.lightbox-next { right: 20px; }

/* RESPONSIVE */
@media (max-width: 992px) {
    .nav-menu { display: none; position: absolute; top: 100%; left: 0; right: 0; background: white; flex-direction: column; padding: 16px; box-shadow: var(--shadow); gap: 4px; border-top: 1px solid var(--border); }
    .nav-menu.active { display: flex; }
    .nav-menu a { padding: 14px 16px; }
    .mobile-toggle { display: block; }
    .hero h1 { font-size: 42px; }
    .hero-stats { gap: 24px; }
    .hero-stat-number { font-size: 28px; }
    .section-title h2 { font-size: 28px; }
    .gallery-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
    .contact-grid { grid-template-columns: 1fr; gap: 24px; }
}
@media (max-width: 768px) {
    .hero { padding: 100px 20px 60px; min-height: auto; }
    .hero h1 { font-size: 34px; letter-spacing: -1px; }
    .hero-subtitle { font-size: 16px; }
    .hero-stats { flex-direction: column; gap: 20px; padding-top: 30px; }
    .hero-stat-divider { width: 60px; height: 1px; }
    .hero-actions { flex-direction: column; align-items: center; }
    .hero-actions .btn { width: 100%; max-width: 300px; }
    .section-title h2 { font-size: 26px; }
    .services-grid { grid-template-columns: 1fr; }
    .features-grid { grid-template-columns: 1fr; }
    .gallery-grid { grid-template-columns: 1fr; }
    .sticky-buttons { right: 14px; bottom: 14px; }
    .sticky-btn { width: 50px; height: 50px; }
    .sticky-btn i { font-size: 20px; }
    .section { padding: 50px 20px; }
    .footer-grid { grid-template-columns: 1fr; gap: 24px; }
    .contact-info, .contact-form { padding: 28px; }
}
@media (max-width: 480px) {
    .hero h1 { font-size: 28px; letter-spacing: -0.5px; }
    .hero-badge-wrapper { flex-direction: column; gap: 8px; }
    .hero-badge-line { width: 30px; height: 1px; }
    .hero-subtitle { font-size: 15px; }
    .btn-lg { padding: 16px 24px; font-size: 14px; }
    .hero-actions .btn { width: 100%; }
    .section-title h2 { font-size: 22px; }
}