/* =========================================
   World Class Concrete - Modern SaaS Style
   ========================================= */

:root {
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --secondary: #0f172a;
    --text: #334155;
    --text-light: #64748b;
    --bg: #f8fafc;
    --white: #ffffff;
    --glass: rgba(255, 255, 255, 0.7);
    --border: rgba(255, 255, 255, 0.5);
    --shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.1);
    --radius: 16px;
    --font: 'Inter', system-ui, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--text); background: var(--bg); line-height: 1.6; overflow-x: hidden; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section { padding: 80px 0; }
.bg-light { background: #f1f5f9; }

/* Typography & Links */
h1, h2, h3 { color: var(--secondary); font-weight: 700; line-height: 1.2; }
.text-link { color: var(--primary); text-decoration: none; font-weight: 600; border-bottom: 2px solid transparent; transition: 0.3s; }
.text-link:hover { border-bottom-color: var(--primary); }

/* Buttons */
.btn { display: inline-block; padding: 12px 28px; border-radius: 50px; text-decoration: none; font-weight: 600; transition: 0.3s; cursor: pointer; border: none; font-size: 1rem; }
.btn-primary { background: linear-gradient(135deg, var(--primary), #60a5fa); color: white; box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4); }
.btn-outline { background: transparent; border: 2px solid var(--primary); color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: white; }
.small-btn { padding: 8px 20px; font-size: 0.9rem; }
.full-width { width: 100%; text-align: center; }
.glow-btn:hover { animation: glow 1.5s infinite alternate; }
@keyframes glow { from { box-shadow: 0 0 5px var(--primary); } to { box-shadow: 0 0 20px var(--primary); } }

/* Navigation */
.navbar { position: fixed; top: 0; width: 100%; z-index: 1000; padding: 15px 0; transition: 0.3s; }
.glass-nav { background: rgba(255, 255, 255, 0.8); backdrop-filter: blur(12px); border-bottom: 1px solid rgba(255,255,255,0.3); }
.nav-container { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 1.5rem; font-weight: 800; color: var(--secondary); text-decoration: none; }
.accent { color: var(--primary); }
.nav-links { display: flex; list-style: none; gap: 30px; align-items: center; }
.nav-links a { text-decoration: none; color: var(--text); font-weight: 500; transition: 0.3s; }
.nav-links a:hover { color: var(--primary); }
.hamburger { display: none; cursor: pointer; }
.hamburger span { display: block; width: 25px; height: 3px; background: var(--secondary); margin: 5px 0; transition: 0.3s; }

/* Hero Section */
.hero-section { position: relative; min-height: 100vh; display: flex; align-items: center; justify-content: center; padding-top: 80px; overflow: hidden; background: radial-gradient(circle at top right, #dbeafe, #f0f9ff); }
.bg-shapes .shape { position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.6; animation: float 10s infinite ease-in-out; }
.s1 { width: 400px; height: 400px; background: #bfdbfe; top: -100px; right: -100px; }
.s2 { width: 300px; height: 300px; background: #ddd6fe; bottom: 10%; left: -50px; animation-delay: 2s; }
.s3 { width: 200px; height: 200px; background: #bae6fd; top: 40%; right: 20%; animation-delay: 4s; }
@keyframes float { 0%, 100% { transform: translate(0, 0); } 50% { transform: translate(20px, -20px); } }

.hero-content { position: relative; z-index: 1; text-align: center; max-width: 800px; }
.badge { display: inline-block; background: rgba(37, 99, 235, 0.1); color: var(--primary); padding: 6px 16px; border-radius: 20px; font-size: 0.9rem; font-weight: 600; margin-bottom: 20px; }
.hero-content h1 { font-size: 3.5rem; margin-bottom: 20px; }
.hero-sub { font-size: 1.2rem; color: var(--text-light); margin-bottom: 30px; }
.hero-actions { display: flex; gap: 15px; justify-content: center; margin-bottom: 50px; }
.trust-stats { display: flex; justify-content: center; gap: 50px; }
.stat { text-align: center; }
.stat .counter { font-size: 2.5rem; font-weight: 800; color: var(--primary); }
.stat p { font-size: 0.9rem; color: var(--text-light); text-transform: uppercase; letter-spacing: 1px; }

/* Cards & Grid */
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
.card { background: var(--white); border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow); transition: 0.3s; border: 1px solid rgba(0,0,0,0.05); }
.card:hover { transform: translateY(-10px); box-shadow: 0 20px 40px -10px rgba(0,0,0,0.15); }
.icon { font-size: 2.5rem; margin-bottom: 20px; }
.check-list { list-style: none; margin-top: 15px; font-size: 0.9rem; color: var(--text-light); }
.check-list li::before { content: "✓"; color: var(--primary); margin-right: 8px; font-weight: bold; }

/* Glass Panel */
.glass-panel { background: var(--glass); backdrop-filter: blur(16px); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }

/* Timeline */
.timeline { position: relative; max-width: 800px; margin: 0 auto; }
.timeline::after { content: ''; position: absolute; width: 4px; background: var(--primary); top: 0; bottom: 0; left: 50%; margin-left: -2px; border-radius: 2px; }
.timeline-item { padding: 10px 40px; position: relative; width: 50%; }
.timeline-item::after { content: ''; position: absolute; width: 20px; height: 20px; background: var(--white); border: 4px solid var(--primary); border-radius: 50%; top: 25px; z-index: 1; }
.left { left: 0; }
.right { left: 50%; }
.left::after { right: -14px; }
.right::after { left: -14px; }
.timeline-item .content { padding: 20px; background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow); }

/* Article Styling */
.article-wrapper { max-width: 900px; margin: 0 auto; padding: 50px; }
.article-header { margin-bottom: 40px; border-bottom: 1px solid rgba(0,0,0,0.1); padding-bottom: 20px; }
.tag { background: var(--primary); color: white; padding: 4px 12px; border-radius: 4px; font-size: 0.8rem; text-transform: uppercase; font-weight: 700; }
.article-header h2 { font-size: 2.2rem; margin: 15px 0; }
.meta { color: var(--text-light); font-size: 0.9rem; }
.article-body h2 { font-size: 1.8rem; margin: 40px 0 20px; }
.article-body h3 { font-size: 1.4rem; margin: 30px 0 15px; }
.article-body p { margin-bottom: 20px; font-size: 1.05rem; }
.lead { font-size: 1.2rem; font-weight: 500; color: var(--secondary); }
.callout-box { padding: 20px; border-left: 4px solid var(--primary); background: rgba(37, 99, 235, 0.05); margin: 30px 0; border-radius: 0 8px 8px 0; }
.warning { border-left-color: #ef4444; background: rgba(239, 68, 68, 0.05); }
.checklist { list-style: none; margin: 20px 0; }
.checklist li { margin-bottom: 12px; padding-left: 30px; position: relative; }
.checklist li::before { content: "✔"; position: absolute; left: 0; color: var(--primary); font-weight: bold; }

/* Table */
.styled-table { width: 100%; border-collapse: collapse; margin: 25px 0; font-size: 0.95rem; box-shadow: 0 0 20px rgba(0, 0, 0, 0.05); border-radius: 8px; overflow: hidden; }
.styled-table th, .styled-table td { padding: 12px 15px; text-align: left; border-bottom: 1px solid #dddddd; }
.styled-table th { background-color: var(--primary); color: #ffffff; }
.styled-table tr:nth-of-type(even) { background-color: #f3f3f3; }

/* Pros Cons */
.pros-cons-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin: 30px 0; }
.pros-box, .cons-box { padding: 20px; border-radius: 8px; }
.pros-box { background: rgba(16, 185, 129, 0.1); border: 1px solid rgba(16, 185, 129, 0.2); }
.cons-box { background: rgba(239, 68, 68, 0.1); border: 1px solid rgba(239, 68, 68, 0.2); }
.pros-box h4 { color: #059669; margin-bottom: 10px; }
.cons-box h4 { color: #dc2626; margin-bottom: 10px; }
.pros-box ul, .cons-box ul { list-style: none; }
.pros-box li::before { content: "✅ "; }
.cons-box li::before { content: "⚠️ "; }

/* FAQ */
.faq-container { max-width: 800px; margin: 0 auto; }
.faq-item { margin-bottom: 15px; border-radius: 8px; overflow: hidden; background: var(--white); box-shadow: var(--shadow); }
.faq-question { width: 100%; padding: 20px; text-align: left; background: none; border: none; font-size: 1.1rem; font-weight: 600; cursor: pointer; display: flex; justify-content: space-between; align-items: center; color: var(--secondary); }
.faq-question::after { content: '+'; font-size: 1.5rem; color: var(--primary); }
.faq-item.active .faq-question::after { content: '-'; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease-out; padding: 0 20px; background: #f8fafc; }
.faq-item.active .faq-answer { padding: 20px; max-height: 200px; }

/* Testimonials */
.stars { color: #fbbf24; margin-bottom: 15px; }
.author { display: flex; align-items: center; gap: 15px; margin-top: 20px; }
.avatar { width: 40px; height: 40px; background: var(--primary); color: white; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; }

/* Contact */
.contact-layout { display: grid; grid-template-columns: 1fr 1.5fr; gap: 40px; }
.info-row { display: flex; gap: 15px; margin-bottom: 25px; }
.info-row .icon { font-size: 1.5rem; }
.hours-card { background: rgba(0,0,0,0.03); padding: 20px; border-radius: 8px; margin-bottom: 25px; }
.hours-card ul { list-style: none; margin-top: 10px; }
.hours-card li { display: flex; justify-content: space-between; margin-bottom: 8px; border-bottom: 1px dashed #cbd5e1; padding-bottom: 4px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; margin-bottom: 8px; font-weight: 500; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 12px; border: 1px solid #cbd5e1; border-radius: 8px; font-family: inherit; transition: 0.3s; }
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1); }

/* Footer */
footer { background: var(--secondary); color: #cbd5e1; padding: 60px 0 20px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.brand h3 { color: white; margin-bottom: 15px; }
.footer-col h4 { color: white; margin-bottom: 20px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col a { color: #cbd5e1; text-decoration: none; transition: 0.3s; }
.footer-col a:hover { color: var(--primary); }
.socials { display: flex; gap: 15px; margin-top: 20px; }
.socials a { width: 35px; height: 35px; background: rgba(255,255,255,0.1); display: flex; align-items: center; justify-content: center; border-radius: 50%; color: white; text-decoration: none; }
.footer-bottom { text-align: center; border-top: 1px solid rgba(255,255,255,0.1); padding-top: 20px; font-size: 0.9rem; }

/* Animations */
.fade-in { animation: fadeIn 1s ease-out; }
.fade-in-up { animation: fadeInUp 1s ease-out; }
.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

/* Responsive */
@media (max-width: 992px) {
    .contact-layout { grid-template-columns: 1fr; }
    .timeline::after { left: 31px; }
    .timeline-item { width: 100%; padding-left: 70px; padding-right: 25px; }
    .timeline-item::after { left: 21px; }
    .right { left: 0; }
    .pros-cons-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .nav-links { position: fixed; right: -100%; top: 70px; height: calc(100vh - 70px); background: white; flex-direction: column; width: 100%; padding: 40px; transition: 0.3s; box-shadow: -5px 0 15px rgba(0,0,0,0.1); }
    .nav-links.active { right: 0; }
    .hamburger { display: block; }
    .hero-content h1 { font-size: 2.5rem; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .article-wrapper { padding: 25px; }
}
@media (max-width: 480px) {
    .hero-actions { flex-direction: column; }
    .trust-stats { flex-direction: column; gap: 20px; }
    .footer-grid { grid-template-columns: 1fr; }
}