/* ===== ÖZTEK İŞ GÜVENLİĞİ - CORPORATE DESIGN ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
  --dark: #1B1B1B;
  --dark2: #2A2A2A;
  --gold: #E8A500;
  --gold-hover: #F5B800;
  --gold-light: #FFF3D0;
  --white: #FFFFFF;
  --offwhite: #F7F7F2;
  --light: #EEEEEA;
  --text: #2D2D2D;
  --text2: #555555;
  --text3: #888888;
  --border: #E0E0DC;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(0,0,0,0.06);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.1);
  --transition: 0.3s ease;
  --font: 'Inter', -apple-system, sans-serif;
  --font-h: 'Outfit', sans-serif;
  --max-w: 1200px;
}

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--text); background: var(--white); line-height: 1.7; overflow-x: hidden; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
img { max-width: 100%; display: block; }
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

/* ===== NAVBAR ===== */
.navbar { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; background: rgba(27,27,27,0.97); backdrop-filter: blur(12px); border-bottom: 1px solid rgba(255,255,255,0.06); }
.navbar .container { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.nav-brand { display: flex; align-items: center; gap: 12px; }
.nav-logo { height: 48px; width: auto; object-fit: contain; transition: var(--transition); }
.nav-brand:hover .nav-logo { opacity: 0.85; }
.footer-logo { height: 40px; width: auto; object-fit: contain; transition: var(--transition); margin-bottom: 4px; }
.footer-brand .nav-brand:hover .footer-logo { opacity: 0.85; }
.nav-menu { display: flex; align-items: center; gap: 4px; list-style: none; }
.nav-menu a { padding: 8px 16px; font-size: 14px; font-weight: 500; color: rgba(255,255,255,0.7); border-radius: 8px; }
.nav-menu a:hover, .nav-menu a.active { color: var(--gold); background: rgba(232,165,0,0.08); }
.nav-phone { display: flex; align-items: center; gap: 8px; color: var(--white); font-weight: 600; font-size: 14px; }
.nav-phone svg { color: var(--gold); }
.hamburger { display: none; background: none; border: none; cursor: pointer; padding: 6px; }
.hamburger span { display: block; width: 22px; height: 2px; background: #fff; margin: 5px 0; border-radius: 2px; transition: var(--transition); }
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* ===== HERO ===== */
.hero { margin-top: 72px; position: relative; background: var(--dark); overflow: hidden; min-height: 640px; display: flex; align-items: center; }
.hero-bg { position: absolute; inset: 0; background: url('../images/hero-bg.jpg') center center / cover no-repeat; }
.hero-bg::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(27,27,27,0.88) 0%, rgba(27,27,27,0.72) 50%, rgba(27,27,27,0.85) 100%); }
.hero-bg::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to right, rgba(27,27,27,0.95) 0%, rgba(27,27,27,0.4) 60%, rgba(27,27,27,0.7) 100%); }
.hero-accent { position: absolute; right: -200px; top: -200px; width: 700px; height: 700px; background: radial-gradient(circle, rgba(232,165,0,0.1) 0%, transparent 70%); pointer-events: none; }
.hero .container { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 60px; padding-top: 80px; padding-bottom: 80px; }
.hero-content { color: var(--white); }
.hero-tag { display: inline-flex; align-items: center; gap: 8px; background: rgba(232,165,0,0.15); border: 1px solid rgba(232,165,0,0.3); color: var(--gold); padding: 8px 18px; border-radius: 50px; font-size: 13px; font-weight: 600; margin-bottom: 24px; backdrop-filter: blur(8px); }
.hero-tag svg { width: 16px; height: 16px; }
.hero h1 { font-family: var(--font-h); font-size: 50px; font-weight: 800; line-height: 1.15; margin-bottom: 20px; text-shadow: 0 2px 12px rgba(0,0,0,0.3); }
.hero h1 span { color: var(--gold); }
.hero-desc { font-size: 17px; color: rgba(255,255,255,0.75); line-height: 1.8; margin-bottom: 36px; max-width: 500px; text-shadow: 0 1px 4px rgba(0,0,0,0.2); }
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-visual { display: flex; justify-content: center; align-items: center; }
.hero-stats-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.stat-box { background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1); border-radius: var(--radius); padding: 28px 24px; text-align: center; transition: var(--transition); backdrop-filter: blur(12px); }
.stat-box:hover { background: rgba(232,165,0,0.1); border-color: rgba(232,165,0,0.25); transform: translateY(-4px); }
.stat-num { font-family: var(--font-h); font-size: 36px; font-weight: 800; color: var(--gold); display: block; }
.stat-label { font-size: 13px; color: rgba(255,255,255,0.6); margin-top: 4px; }

/* ===== BUTTONS ===== */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 13px 28px; border-radius: 10px; font-weight: 600; font-size: 14px; border: none; cursor: pointer; font-family: var(--font); transition: var(--transition); }
.btn-gold { background: var(--gold); color: var(--dark); }
.btn-gold:hover { background: var(--gold-hover); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(232,165,0,0.3); }
.btn-white { background: rgba(255,255,255,0.1); color: #fff; border: 1px solid rgba(255,255,255,0.2); }
.btn-white:hover { background: rgba(255,255,255,0.15); border-color: var(--gold); color: var(--gold); }
.btn-dark { background: var(--dark); color: #fff; }
.btn-dark:hover { background: var(--dark2); transform: translateY(-2px); }
.btn-outline-gold { background: transparent; color: var(--gold); border: 2px solid var(--gold); }
.btn-outline-gold:hover { background: var(--gold); color: var(--dark); }

/* ===== SECTIONS ===== */
.section { padding: 100px 0; }
.section-light { background: var(--offwhite); }
.section-dark { background: var(--dark); color: #fff; }
.section-title { font-family: var(--font-h); font-size: 38px; font-weight: 700; margin-bottom: 16px; line-height: 1.2; }
.section-title span { color: var(--gold); }
.section-desc { font-size: 16px; color: var(--text2); line-height: 1.8; max-width: 560px; }
.section-dark .section-desc { color: rgba(255,255,255,0.6); }
.section-header { margin-bottom: 56px; }
.section-header.center { text-align: center; }
.section-header.center .section-desc { margin: 0 auto; }
.section-label { font-size: 13px; font-weight: 700; color: var(--gold); text-transform: uppercase; letter-spacing: 2px; margin-bottom: 12px; display: block; }
.gold-line { width: 48px; height: 3px; background: var(--gold); border-radius: 2px; margin-bottom: 20px; }
.section-header.center .gold-line { margin: 0 auto 20px; }

/* ===== FEATURES BAR ===== */
.features-bar { background: var(--gold); padding: 48px 0; }
.features-bar .container { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.feature-item { text-align: center; color: var(--dark); }
.feature-item svg { margin: 0 auto 12px; }
.feature-item h4 { font-family: var(--font-h); font-size: 16px; font-weight: 700; margin-bottom: 4px; }
.feature-item p { font-size: 13px; opacity: 0.75; }

/* ===== ABOUT PREVIEW ===== */
.about-preview .container { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.about-img { position: relative; border-radius: var(--radius); overflow: hidden; aspect-ratio: 4/3; background: var(--light); box-shadow: var(--shadow-lg); }
.about-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.about-img:hover img { transform: scale(1.05); }
.about-img-badge { position: absolute; bottom: 24px; left: 24px; background: var(--gold); color: var(--dark); padding: 12px 20px; border-radius: 10px; font-weight: 700; font-size: 14px; box-shadow: 0 4px 16px rgba(0,0,0,0.2); z-index: 2; }
.about-img-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(27,27,27,0.4) 0%, transparent 50%); z-index: 1; }
.about-text .section-desc { margin-bottom: 24px; }
.about-checklist { list-style: none; margin-bottom: 32px; }
.about-checklist li { display: flex; align-items: center; gap: 12px; padding: 8px 0; font-size: 15px; color: var(--text2); }
.about-checklist li svg { color: var(--gold); flex-shrink: 0; }

/* ===== PRODUCTS GRID ===== */
.products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.product-card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; transition: var(--transition); position: relative; overflow: hidden; }
.product-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--gold); transform: scaleX(0); transition: var(--transition); }
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(232,165,0,0.3); }
.product-card:hover::before { transform: scaleX(1); }
.product-icon { width: 56px; height: 56px; background: var(--gold-light); border-radius: 12px; display: flex; align-items: center; justify-content: center; margin-bottom: 20px; }
.product-icon svg { width: 28px; height: 28px; color: var(--gold); }
.product-card h3 { font-family: var(--font-h); font-size: 18px; font-weight: 700; margin-bottom: 8px; color: var(--text); }
.product-card p { font-size: 14px; color: var(--text2); line-height: 1.6; }

/* ===== SERVICES ===== */
.services-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.service-card { display: flex; gap: 20px; background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius); padding: 28px; transition: var(--transition); }
.service-card:hover { background: rgba(232,165,0,0.06); border-color: rgba(232,165,0,0.2); transform: translateY(-4px); }
.service-num { font-family: var(--font-h); font-size: 32px; font-weight: 800; color: var(--gold); opacity: 0.4; line-height: 1; flex-shrink: 0; }
.service-card h3 { font-family: var(--font-h); font-size: 18px; font-weight: 700; color: #fff; margin-bottom: 8px; }
.service-card p { font-size: 14px; color: rgba(255,255,255,0.55); line-height: 1.6; }

/* ===== CTA BANNER ===== */
.cta-banner { background: url('../images/cta-bg.jpg') center center / cover no-repeat; padding: 80px 0; position: relative; overflow: hidden; }
.cta-banner::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(27,27,27,0.9) 0%, rgba(42,37,32,0.85) 100%); }
.cta-banner .container { position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.cta-text h2 { font-family: var(--font-h); font-size: 32px; font-weight: 700; color: #fff; margin-bottom: 12px; text-shadow: 0 2px 8px rgba(0,0,0,0.3); }
.cta-text h2 span { color: var(--gold); }
.cta-text p { color: rgba(255,255,255,0.7); font-size: 16px; }

/* ===== CONTACT ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.contact-form { background: var(--offwhite); border-radius: var(--radius); padding: 40px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; color: var(--text); margin-bottom: 6px; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 12px 16px; background: var(--white); border: 1px solid var(--border); border-radius: 8px; font-family: var(--font); font-size: 14px; color: var(--text); transition: var(--transition); outline: none; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(232,165,0,0.12); }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-group select { appearance: none; cursor: pointer; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 16px center; }
.contact-info-cards { display: flex; flex-direction: column; gap: 16px; }
.info-card { display: flex; gap: 16px; align-items: flex-start; padding: 20px; border: 1px solid var(--border); border-radius: var(--radius); transition: var(--transition); }
.info-card:hover { border-color: var(--gold); transform: translateX(4px); }
.info-card-icon { width: 44px; height: 44px; background: var(--gold-light); border-radius: 10px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.info-card-icon svg { width: 20px; height: 20px; color: var(--gold); }
.info-card h4 { font-size: 14px; font-weight: 700; color: var(--text); margin-bottom: 2px; }
.info-card p, .info-card a { font-size: 14px; color: var(--text2); }
.info-card a:hover { color: var(--gold); }
.map-box { margin-top: 16px; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); }

/* ===== FOOTER ===== */
.footer { background: var(--dark); color: #fff; padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.2fr; gap: 48px; padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer-brand p { color: rgba(255,255,255,0.5); font-size: 14px; line-height: 1.7; margin-top: 16px; }
.footer-col h4 { font-family: var(--font-h); font-size: 15px; font-weight: 700; margin-bottom: 20px; color: var(--gold); }
.footer-col a { display: block; color: rgba(255,255,255,0.55); font-size: 14px; padding: 5px 0; transition: var(--transition); }
.footer-col a:hover { color: var(--gold); padding-left: 4px; }
.footer-col p { color: rgba(255,255,255,0.5); font-size: 14px; line-height: 1.7; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding: 24px 0; flex-wrap: wrap; gap: 8px; }
.footer-bottom p { color: rgba(255,255,255,0.35); font-size: 13px; }

/* ===== ANIMATIONS ===== */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-left { opacity: 0; transform: translateX(-24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal-left.visible { opacity: 1; transform: translateX(0); }
.reveal-right { opacity: 0; transform: translateX(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal-right.visible { opacity: 1; transform: translateX(0); }

/* ===== PAGE HEADER ===== */
.page-header { margin-top: 72px; background: var(--dark); padding: 72px 0; position: relative; overflow: hidden; }
.page-header-bg { position: absolute; inset: 0; background: url('../images/page-header-bg.jpg') center center / cover no-repeat; }
.page-header-bg::after { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(27,27,27,0.92) 0%, rgba(27,27,27,0.8) 100%); }
.page-header::after { content: ''; position: absolute; right: -100px; top: -100px; width: 400px; height: 400px; background: radial-gradient(circle, rgba(232,165,0,0.08) 0%, transparent 70%); z-index: 1; }
.page-header .container { position: relative; z-index: 2; }
.breadcrumb { display: flex; gap: 8px; align-items: center; margin-bottom: 16px; font-size: 14px; color: rgba(255,255,255,0.4); }
.breadcrumb a { color: rgba(255,255,255,0.5); }
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb span.sep { color: rgba(255,255,255,0.2); }
.breadcrumb span.current { color: var(--gold); }
.page-header h1 { font-family: var(--font-h); font-size: 42px; font-weight: 800; color: #fff; text-shadow: 0 2px 12px rgba(0,0,0,0.3); }
.page-header h1 span { color: var(--gold); }
.page-header p { color: rgba(255,255,255,0.6); font-size: 16px; margin-top: 12px; max-width: 560px; }

/* ===== PHOTO CARD ===== */
.photo-card { position: relative; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg); }
.photo-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.photo-card:hover img { transform: scale(1.05); }
.photo-card-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(27,27,27,0.5) 0%, transparent 60%); }

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
  .hero .container { grid-template-columns: 1fr; text-align: center; gap: 40px; }
  .hero h1 { font-size: 36px; }
  .hero-desc { margin: 0 auto 32px; }
  .hero-btns { justify-content: center; }
  .hero-stats-grid { max-width: 360px; margin: 0 auto; }
  .about-preview .container { grid-template-columns: 1fr; gap: 40px; }
  .products-grid { grid-template-columns: 1fr 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .features-bar .container { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cta-banner .container { flex-direction: column; text-align: center; }
}
@media (max-width: 768px) {
  .nav-menu { display: none; position: fixed; inset: 0; background: rgba(27,27,27,0.98); flex-direction: column; align-items: center; justify-content: center; gap: 8px; z-index: 998; }
  .nav-menu.open { display: flex; }
  .nav-menu a { font-size: 18px; padding: 12px 24px; }
  .nav-phone { display: none; }
  .hamburger { display: block; z-index: 999; }
  .section { padding: 64px 0; }
  .section-title { font-size: 28px; }
  .products-grid { grid-template-columns: 1fr; }
  .features-bar .container { grid-template-columns: 1fr; gap: 24px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .page-header h1 { font-size: 32px; }
  .hero { min-height: auto; padding: 40px 0; }
}