@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

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

:root {
  --primary: #1a73b5;
  --primary-dark: #155a8a;
  --primary-light: #2196F3;
  --accent: #00d4ff;
  --bg-dark: #0a1628;
  --bg-card: #111d33;
  --bg-card-hover: #162744;
  --text: #e8edf5;
  --text-muted: #8899b3;
  --gradient-1: linear-gradient(135deg, #1a73b5, #00d4ff);
  --gradient-2: linear-gradient(135deg, #0a1628 0%, #1a2744 100%);
  --glass: rgba(17, 29, 51, 0.7);
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  --radius: 16px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg-dark);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 4px; }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 1rem 2rem;
  background: rgba(10, 22, 40, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(26, 115, 181, 0.15);
  transition: all 0.3s ease;
}
.navbar.scrolled { padding: 0.6rem 2rem; background: rgba(10, 22, 40, 0.95); }
.nav-container { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; }
.nav-logo { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.nav-logo img { height: 44px; width: auto; border-radius: 10px; }
.nav-logo span { font-size: 1.4rem; font-weight: 700; background: var(--gradient-1); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a { color: var(--text-muted); text-decoration: none; font-weight: 500; font-size: 0.95rem; transition: color 0.3s; position: relative; }
.nav-links a::after { content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px; background: var(--gradient-1); transition: width 0.3s; }
.nav-links a:hover { color: var(--accent); }
.nav-links a:hover::after { width: 100%; }
.nav-cta { padding: 10px 24px; background: var(--gradient-1); color: white; border: none; border-radius: 50px; font-weight: 600; font-size: 0.9rem; cursor: pointer; transition: transform 0.3s, box-shadow 0.3s; text-decoration: none; }
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(26, 115, 181, 0.4); }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; background: none; border: none; }
.hamburger span { width: 25px; height: 2px; background: var(--text); transition: 0.3s; }

/* ===== HERO ===== */
.hero {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden; padding: 120px 2rem 80px;
}
.hero-bg {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(26, 115, 181, 0.15) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 50%, rgba(0, 212, 255, 0.08) 0%, transparent 50%),
              var(--bg-dark);
}
.hero-particles { position: absolute; inset: 0; overflow: hidden; }
.particle {
  position: absolute; width: 3px; height: 3px; background: var(--accent);
  border-radius: 50%; opacity: 0; animation: float-particle 6s infinite;
}
@keyframes float-particle {
  0% { opacity: 0; transform: translateY(100vh) scale(0); }
  20% { opacity: 0.6; }
  100% { opacity: 0; transform: translateY(-100px) scale(1); }
}
.hero-content { position: relative; z-index: 2; max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.hero-text h1 { font-size: 3.5rem; font-weight: 800; line-height: 1.15; margin-bottom: 1.5rem; }
.hero-text h1 .highlight { background: var(--gradient-1); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.hero-text p { font-size: 1.15rem; color: var(--text-muted); margin-bottom: 2rem; max-width: 500px; }
.hero-buttons { display: flex; gap: 1rem; flex-wrap: wrap; }
.btn-primary { padding: 14px 32px; background: var(--gradient-1); color: white; border: none; border-radius: 50px; font-weight: 600; font-size: 1rem; cursor: pointer; transition: all 0.3s; text-decoration: none; display: inline-flex; align-items: center; gap: 8px; }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 12px 35px rgba(26, 115, 181, 0.4); }
.btn-secondary { padding: 14px 32px; background: transparent; color: var(--text); border: 2px solid rgba(26, 115, 181, 0.4); border-radius: 50px; font-weight: 600; font-size: 1rem; cursor: pointer; transition: all 0.3s; text-decoration: none; display: inline-flex; align-items: center; gap: 8px; }
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-3px); }
.hero-visual { position: relative; display: flex; justify-content: center; }
.hero-image-wrapper { position: relative; border-radius: 24px; overflow: hidden; box-shadow: 0 25px 60px rgba(0,0,0,0.4); }
.hero-image-wrapper img { width: 100%; height: auto; display: block; }
.hero-glow { position: absolute; width: 300px; height: 300px; background: radial-gradient(circle, rgba(0,212,255,0.2) 0%, transparent 70%); border-radius: 50%; top: 50%; left: 50%; transform: translate(-50%,-50%); animation: pulse-glow 3s ease-in-out infinite; z-index: -1; }
@keyframes pulse-glow { 0%,100% { transform: translate(-50%,-50%) scale(1); opacity: 0.5; } 50% { transform: translate(-50%,-50%) scale(1.2); opacity: 1; } }
.hero-stats { display: flex; gap: 2rem; margin-top: 2.5rem; }
.stat { text-align: left; }
.stat-number { font-size: 1.8rem; font-weight: 800; background: var(--gradient-1); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.stat-label { font-size: 0.85rem; color: var(--text-muted); }

/* ===== SECTIONS ===== */
section { padding: 100px 2rem; }
.section-header { text-align: center; margin-bottom: 4rem; }
.section-tag { display: inline-block; padding: 6px 16px; background: rgba(26, 115, 181, 0.15); border: 1px solid rgba(26, 115, 181, 0.3); border-radius: 50px; font-size: 0.8rem; font-weight: 600; color: var(--accent); text-transform: uppercase; letter-spacing: 2px; margin-bottom: 1rem; }
.section-title { font-size: 2.5rem; font-weight: 800; margin-bottom: 1rem; }
.section-title .highlight { background: var(--gradient-1); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.section-desc { color: var(--text-muted); font-size: 1.1rem; max-width: 600px; margin: 0 auto; }

/* ===== FEATURES ===== */
.features-grid { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.8rem; }
.feature-card {
  background: var(--glass); backdrop-filter: blur(10px);
  border: 1px solid rgba(26, 115, 181, 0.12); border-radius: var(--radius);
  padding: 2.5rem 2rem; transition: all 0.4s ease; position: relative; overflow: hidden;
}
.feature-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--gradient-1); transform: scaleX(0); transition: transform 0.4s; }
.feature-card:hover { transform: translateY(-8px); border-color: rgba(26, 115, 181, 0.3); background: var(--bg-card-hover); }
.feature-card:hover::before { transform: scaleX(1); }
.feature-icon { width: 56px; height: 56px; background: rgba(26, 115, 181, 0.12); border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; margin-bottom: 1.5rem; color: var(--accent); }
.feature-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 0.75rem; }
.feature-card p { color: var(--text-muted); font-size: 0.95rem; line-height: 1.7; }

/* ===== SHOWCASE ===== */
.showcase { max-width: 1200px; margin: 0 auto; }
.showcase-item { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; margin-bottom: 5rem; }
.showcase-item.reverse { direction: rtl; }
.showcase-item.reverse > * { direction: ltr; }
.showcase-img { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.showcase-img img { width: 100%; height: auto; display: block; transition: transform 0.5s; }
.showcase-img:hover img { transform: scale(1.03); }
.showcase-text h3 { font-size: 1.8rem; font-weight: 700; margin-bottom: 1rem; }
.showcase-text p { color: var(--text-muted); font-size: 1.05rem; margin-bottom: 1.5rem; }
.check-list { list-style: none; }
.check-list li { padding: 0.4rem 0; color: var(--text-muted); display: flex; align-items: center; gap: 10px; }
.check-list li::before { content: '✓'; color: var(--accent); font-weight: 700; font-size: 1.1rem; }

/* ===== PRODUCTS ===== */
.products-grid { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 2rem; }
.product-card {
  background: var(--glass); backdrop-filter: blur(10px);
  border: 1px solid rgba(26, 115, 181, 0.12); border-radius: var(--radius);
  overflow: hidden; transition: all 0.4s;
}
.product-card:hover { transform: translateY(-8px); border-color: rgba(26, 115, 181, 0.3); box-shadow: 0 20px 40px rgba(0,0,0,0.3); }
.product-card .product-img { overflow: hidden; height: 200px; }
.product-card .product-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.product-card:hover .product-img img { transform: scale(1.08); }
.product-info { padding: 1.5rem; }
.product-info h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 0.5rem; }
.product-info p { color: var(--text-muted); font-size: 0.9rem; }

/* ===== APP DOWNLOAD ===== */
.app-section { background: var(--gradient-2); position: relative; overflow: hidden; }
.app-container { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.app-badges { display: flex; gap: 1rem; margin-top: 2rem; }
.app-badge { display: inline-flex; align-items: center; gap: 10px; padding: 12px 24px; background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.15); border-radius: 12px; color: white; text-decoration: none; transition: all 0.3s; }
.app-badge:hover { background: rgba(255,255,255,0.15); transform: translateY(-3px); }
.app-badge .badge-icon { font-size: 1.5rem; }
.app-badge .badge-text { display: flex; flex-direction: column; }
.app-badge .badge-text small { font-size: 0.65rem; opacity: 0.7; }
.app-badge .badge-text span { font-size: 0.95rem; font-weight: 600; }
.app-mockup { text-align: center; }
.app-mockup img { max-width: 80%; border-radius: 20px; box-shadow: 0 25px 60px rgba(0,0,0,0.4); }

/* ===== CONTACT ===== */
.contact-container { max-width: 1000px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; }
.contact-info { display: flex; flex-direction: column; gap: 2rem; }
.contact-item { display: flex; gap: 1rem; align-items: flex-start; }
.contact-item-icon { width: 48px; height: 48px; background: rgba(26, 115, 181, 0.12); border-radius: 12px; display: flex; align-items: center; justify-content: center; color: var(--accent); font-size: 1.2rem; flex-shrink: 0; }
.contact-item h4 { font-weight: 600; margin-bottom: 0.25rem; }
.contact-item p { color: var(--text-muted); font-size: 0.95rem; }
.contact-form { background: var(--glass); backdrop-filter: blur(10px); border: 1px solid rgba(26, 115, 181, 0.12); border-radius: var(--radius); padding: 2.5rem; }
.form-group { margin-bottom: 1.25rem; }
.form-group label { display: block; font-weight: 500; margin-bottom: 0.5rem; font-size: 0.9rem; }
.form-group input, .form-group textarea {
  width: 100%; padding: 12px 16px; background: rgba(10, 22, 40, 0.6);
  border: 1px solid rgba(26, 115, 181, 0.2); border-radius: 10px;
  color: var(--text); font-family: 'Inter', sans-serif; font-size: 0.95rem;
  transition: border-color 0.3s;
}
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--accent); }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-submit { width: 100%; padding: 14px; background: var(--gradient-1); color: white; border: none; border-radius: 50px; font-weight: 600; font-size: 1rem; cursor: pointer; transition: all 0.3s; }
.form-submit:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(26, 115, 181, 0.4); }

/* ===== FOOTER ===== */
.footer { background: #060e1a; padding: 60px 2rem 30px; border-top: 1px solid rgba(26,115,181,0.1); }
.footer-content { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem; margin-bottom: 3rem; }
.footer-brand p { color: var(--text-muted); margin-top: 1rem; font-size: 0.9rem; max-width: 300px; }
.footer-col h4 { font-weight: 600; margin-bottom: 1rem; font-size: 1rem; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 0.6rem; }
.footer-col ul li a { color: var(--text-muted); text-decoration: none; font-size: 0.9rem; transition: color 0.3s; }
.footer-col ul li a:hover { color: var(--accent); }
.footer-bottom { max-width: 1200px; margin: 0 auto; padding-top: 2rem; border-top: 1px solid rgba(255,255,255,0.05); display: flex; justify-content: space-between; align-items: center; }
.footer-bottom p { color: var(--text-muted); font-size: 0.85rem; }
.social-links { display: flex; gap: 1rem; }
.social-links a { width: 40px; height: 40px; background: rgba(26,115,181,0.1); border-radius: 10px; display: flex; align-items: center; justify-content: center; color: var(--text-muted); text-decoration: none; transition: all 0.3s; font-size: 1.1rem; }
.social-links a:hover { background: var(--primary); color: white; transform: translateY(-3px); }

/* ===== LANG SWITCHER & NAV RIGHT ===== */
.nav-right { display: flex; align-items: center; gap: 1rem; }
.lang-switcher { display: flex; gap: 4px; background: rgba(26, 115, 181, 0.1); border-radius: 8px; padding: 3px; }
.lang-btn { padding: 5px 10px; background: transparent; border: none; color: var(--text-muted); font-size: 0.75rem; font-weight: 600; cursor: pointer; border-radius: 6px; transition: all 0.3s; font-family: 'Inter', sans-serif; }
.lang-btn.active { background: var(--primary); color: white; }
.lang-btn:hover:not(.active) { color: var(--accent); }

/* ===== FENSTER GALLERY ===== */
.fenster-gallery { max-width: 1200px; margin: 0 auto; }
.fenster-card { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; margin-bottom: 4rem; padding: 2rem; background: var(--glass); backdrop-filter: blur(10px); border: 1px solid rgba(26, 115, 181, 0.12); border-radius: var(--radius); transition: all 0.4s; }
.fenster-card:hover { border-color: rgba(26, 115, 181, 0.3); transform: translateY(-4px); box-shadow: 0 20px 40px rgba(0,0,0,0.2); }
.fenster-card.reverse { direction: rtl; }
.fenster-card.reverse > * { direction: ltr; }
.fenster-img { border-radius: 12px; overflow: hidden; background: rgba(255,255,255,0.03); display: flex; align-items: center; justify-content: center; padding: 1rem; }
.fenster-img img { max-width: 100%; max-height: 400px; object-fit: contain; transition: transform 0.5s; }
.fenster-card:hover .fenster-img img { transform: scale(1.05); }
.fenster-info h3 { font-size: 1.5rem; font-weight: 700; margin-bottom: 0.75rem; }
.fenster-info p { color: var(--text-muted); font-size: 1rem; margin-bottom: 1rem; }

/* ===== CARD LINK ===== */
.card-link { display: inline-block; margin-top: 1rem; color: var(--accent); font-weight: 600; font-size: 0.9rem; transition: all 0.3s; }
.feature-card:hover .card-link { transform: translateX(4px); }

/* ===== INSTALLATION STEPS ===== */
.steps-grid { max-width: 1100px; margin: 0 auto; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.step-card {
  background: var(--glass); backdrop-filter: blur(10px);
  border: 1px solid rgba(26,115,181,0.12); border-radius: var(--radius);
  padding: 2rem 1.5rem; text-align: center; position: relative; overflow: hidden;
  transition: all 0.4s;
}
.step-card:hover { transform: translateY(-6px); border-color: rgba(0,212,255,0.3); }
.step-num { position: absolute; top: -10px; right: 14px; font-size: 4rem; font-weight: 900; color: rgba(26,115,181,0.12); line-height: 1; pointer-events: none; }
.step-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.75rem; margin-top: 0.5rem; color: var(--accent); }
.step-card p { color: var(--text-muted); font-size: 0.9rem; line-height: 1.7; }

/* ===== COMPARISON TABLE ===== */
.compare-wrapper { max-width: 900px; margin: 0 auto; overflow-x: auto; }
.compare-table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
.compare-table th, .compare-table td { padding: 14px 18px; text-align: center; border-bottom: 1px solid rgba(255,255,255,0.05); }
.compare-table th:first-child, .compare-table td:first-child { text-align: left; color: var(--text-muted); font-weight: 500; }
.compare-table thead tr { background: var(--bg-card); }
.compare-table thead th { font-weight: 700; font-size: 1rem; color: var(--text); }
.compare-table thead th span { display: block; font-size: 0.75rem; font-weight: 400; color: var(--text-muted); margin-top: 2px; }
.compare-table tbody tr:hover { background: rgba(26,115,181,0.05); }
.col-pro { background: rgba(0,212,255,0.06); }
.compare-table .col-pro { color: var(--accent); font-weight: 600; }
.compare-table .col-ent { color: var(--text-muted); }
.compare-table thead .col-pro { background: rgba(0,212,255,0.12); border-top: 3px solid var(--accent); color: var(--accent); }
.compare-table thead .col-pro span { color: var(--accent); }
.compare-table thead .col-lite { border-top: 3px solid transparent; }
.compare-table thead .col-ent { border-top: 3px solid transparent; }

/* ===== REVIEWS ===== */
.reviews-grid { max-width: 1100px; margin: 0 auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.review-card {
  background: var(--glass); backdrop-filter: blur(10px);
  border: 1px solid rgba(26,115,181,0.12); border-radius: var(--radius);
  padding: 2rem; transition: all 0.4s;
}
.review-card:hover { transform: translateY(-6px); border-color: rgba(0,212,255,0.2); }
.review-stars { font-size: 1.2rem; color: #f59e0b; margin-bottom: 1rem; }
.review-text { color: var(--text-muted); font-size: 0.95rem; line-height: 1.7; margin-bottom: 1.5rem; font-style: italic; }
.review-author { display: flex; align-items: center; gap: 0.75rem; }
.review-avatar { width: 42px; height: 42px; border-radius: 50%; background: var(--gradient-1); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 1.1rem; flex-shrink: 0; }
.review-author strong { display: block; font-size: 0.95rem; }
.review-author small { color: var(--text-muted); font-size: 0.8rem; }

/* ===== FAQ ===== */
.faq-list { max-width: 780px; margin: 0 auto; }
.faq-item { background: var(--glass); border: 1px solid rgba(26,115,181,0.12); border-radius: 12px; margin-bottom: 0.75rem; overflow: hidden; transition: border-color 0.3s; }
.faq-item[open] { border-color: rgba(0,212,255,0.3); }
.faq-item summary { padding: 1.2rem 1.5rem; font-weight: 600; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; font-size: 1rem; }
.faq-item summary::after { content: '+'; font-size: 1.5rem; color: var(--accent); transition: transform 0.3s; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { padding: 0 1.5rem 1.2rem; color: var(--text-muted); font-size: 0.95rem; line-height: 1.7; }

/* ===== ANIMATIONS ===== */
.fade-in { opacity: 0; transform: translateY(30px); transition: all 0.8s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ===== LIGHTBOX ===== */
#lightbox { display:none; position:fixed; inset:0; z-index:9999; align-items:center; justify-content:center; }
#lightbox.active { display:flex; }
.lb-overlay { position:fixed; inset:0; background:rgba(0,0,0,0.93); }
.lb-container { position:relative; z-index:1; display:flex; align-items:center; gap:1.2rem; padding:0 1rem; max-width:95vw; }
.lb-img-wrap { display:flex; flex-direction:column; align-items:center; }
#lb-img { max-width:82vw; max-height:82vh; object-fit:contain; border-radius:10px; box-shadow:0 30px 70px rgba(0,0,0,0.6); display:block; transition:opacity 0.2s; }
.lb-caption { color:#ccd8e8; font-size:1rem; font-weight:600; margin-top:1rem; text-align:center; min-height:1.4em; }
.lb-counter { color:var(--text-muted); font-size:0.8rem; margin-top:0.25rem; text-align:center; }
.lb-close { position:fixed; top:1.2rem; right:1.4rem; background:rgba(255,255,255,0.1); border:1px solid rgba(255,255,255,0.15); color:#fff; width:44px; height:44px; border-radius:50%; font-size:1.1rem; cursor:pointer; display:flex; align-items:center; justify-content:center; transition:all 0.2s; z-index:2; }
.lb-close:hover { background:rgba(255,255,255,0.25); }
.lb-nav { background:rgba(255,255,255,0.08); border:1px solid rgba(255,255,255,0.15); color:#fff; width:52px; height:52px; border-radius:50%; font-size:1.3rem; cursor:pointer; display:flex; align-items:center; justify-content:center; flex-shrink:0; transition:all 0.2s; }
.lb-nav:hover { background:rgba(26,115,181,0.5); border-color:var(--accent); }

/* Clickable product images */
.prod-img, .fenster-img, .product-img { cursor:zoom-in; }
.prod-img img, .fenster-img img, .product-img img { transition:transform 0.4s, opacity 0.3s; }
.prod-item:hover .prod-img img { transform:scale(1.07); }

/* ===== RESPONSIVE ===== */
@media (max-width: 968px) {
  .hero-content { grid-template-columns: 1fr; text-align: center; }
  .hero-text p { margin: 0 auto 2rem; }
  .hero-buttons { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { margin-top: 2rem; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .showcase-item, .showcase-item.reverse { grid-template-columns: 1fr; }
  .fenster-card, .fenster-card.reverse { grid-template-columns: 1fr; direction: ltr; }
  .app-container { grid-template-columns: 1fr; text-align: center; }
  .app-badges { justify-content: center; }
  .contact-container { grid-template-columns: 1fr; }
  .footer-content { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .nav-links { display: none; position: absolute; top: 100%; left: 0; right: 0; background: rgba(10,22,40,0.98); flex-direction: column; padding: 2rem; gap: 1rem; }
  .nav-links.active { display: flex; }
  .hamburger { display: flex; }
  .nav-right { gap: 0.5rem; }
  .nav-cta { display: none; }
  .hero-text h1 { font-size: 2.2rem; }
  .features-grid { grid-template-columns: 1fr; }
  .section-title { font-size: 1.8rem; }
  .footer-content { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
}