:root {
    --bg-color: #000000;
    --text-color: #f5f5f7;
    --accent-color: #ffffff;
    --gray-color: #86868b;
    --section-light: #0b0b0c;
    --card-bg: rgba(255, 255, 255, 0.02);
    --border-color: rgba(255, 255, 255, 0.08);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

h1, h2, h3, h4 { letter-spacing: -0.03em; font-weight: 600; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 5%; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }

@media (max-width: 768px) { .grid-2 { grid-template-columns: 1fr; gap: 2rem; } }

/* Navigation */
.navbar {
    display: flex; justify-content: space-between; align-items: center;
    padding: 1.5rem 5%; position: fixed; width: 100%; top: 0; z-index: 100;
    background: rgba(0, 0, 0, 0.75); backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px); border-bottom: 1px solid var(--border-color);
}
.logo { font-size: 1.6rem; font-weight: 800; letter-spacing: -1.5px; color: var(--accent-color); text-transform: lowercase; }
.nav-links { display: flex; align-items: center; }
.nav-links a { color: var(--gray-color); text-decoration: none; margin-right: 2rem; font-size: 0.9rem; transition: color 0.3s ease; }
.nav-links a:hover { color: var(--text-color); }
.lang-btn {
    background: transparent; border: 1px solid var(--gray-color); color: var(--text-color);
    padding: 0.4rem 0.9rem; border-radius: 6px; cursor: pointer; font-size: 0.8rem;
    font-weight: 600; transition: all 0.3s ease;
}
.lang-btn:hover { border-color: var(--text-color); background-color: rgba(255, 255, 255, 0.1); }

/* Hero Section */
.hero {
    height: 100vh; display: flex; flex-direction: column; align-items: center;
    justify-content: center; text-align: center; padding: 8rem 5% 0 5%; position: relative;
}
.hero-content { max-width: 900px; z-index: 2; }

/* Load Animations for Hero */
.hero-title {
    font-size: clamp(2.5rem, 5vw, 4.8rem); line-height: 1.1; margin-bottom: 1.5rem;
    background: linear-gradient(180deg, #fff 0%, #888 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    opacity: 0; animation: slideUpFade 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards 0.2s;
}
.hero-desc { 
    font-size: clamp(1.1rem, 2vw, 1.35rem); color: var(--gray-color); font-weight: 300; 
    max-width: 650px; margin: 0 auto; 
    opacity: 0; animation: slideUpFade 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards 0.4s;
}
.hero-bg-visual { 
    width: 100%; max-width: 700px; margin-top: 2rem; z-index: 1; 
    opacity: 0; animation: slideUpFade 1s cubic-bezier(0.16, 1, 0.3, 1) forwards 0.6s;
}

@keyframes slideUpFade {
    0% { opacity: 0; transform: translateY(40px); }
    100% { opacity: 1; transform: translateY(0); }
}

.futuristic-img { width: 100%; height: auto; display: block; }
.dynamic-float { animation: floatAnim 6s ease-in-out infinite; }
@keyframes floatAnim { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }

/* Reveal Animation Class for Scroll */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Sections */
.section { padding: 8rem 0; border-bottom: 1px solid var(--border-color); overflow: hidden; }
.section-title {
    font-size: clamp(2rem, 4vw, 2.8rem); text-align: center; margin-bottom: 5rem;
    background: linear-gradient(180deg, #fff 0%, #aaa 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.dark-section { background-color: var(--bg-color); }
.light-section { background-color: var(--section-light); }
.glass-section { background-color: #050505; }

/* Stats Grid & Hover Effects */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 2.5rem; margin-bottom: 5rem; }
.stat-card {
    text-align: center; padding: 3.5rem 2rem; border: 1px solid var(--border-color);
    border-radius: 16px; background: linear-gradient(145deg, #060607, #000000);
    transition: transform 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease;
}
.stat-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.2);
}
.stat-card h3 { font-size: 3.5rem; color: var(--accent-color); margin-bottom: 0.5rem; font-weight: 800; }
.stat-card p { color: var(--gray-color); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 2px; }
.scale-desc { text-align: center; font-size: 1.25rem; max-width: 800px; margin: 0 auto; color: var(--gray-color); font-weight: 300; }

/* Product Grid (GeoLeads) & Hover Effects */
.product-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 2rem; }
.product-card {
    padding: 2.5rem 2rem; border-top: 1px solid rgba(255,255,255,0.15); border-left: 1px solid rgba(255,255,255,0.05);
    background: linear-gradient(180deg, rgba(255,255,255,0.03) 0%, transparent 100%);
    border-radius: 12px; transition: transform 0.4s ease, box-shadow 0.4s ease;
}
.product-card:hover { 
    transform: translateY(-8px); 
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.04);
}
.product-card h4 { font-size: 1.2rem; color: var(--accent-color); margin-bottom: 1rem; }
.product-card p { font-size: 0.95rem; color: var(--gray-color); font-weight: 300; line-height: 1.6; }

/* Architecture Block */
.text-block h2 { font-size: 2.5rem; margin-bottom: 1.5rem; }
.text-block p { color: var(--gray-color); font-size: 1.1rem; font-weight: 300; }

/* Contact */
.contact-card {
    text-align: center; max-width: 600px; margin: 0 auto; border: 1px solid var(--border-color);
    padding: 4rem 2rem; border-radius: 20px; background: var(--card-bg);
}
.contact-card h4 { font-size: 1.3rem; margin-bottom: 1.5rem; color: var(--text-color); letter-spacing: 1px; }
.contact-card p { font-size: 1.05rem; color: var(--gray-color); margin-bottom: 2.5rem; line-height: 1.8; font-weight: 300; }
.contact-link {
    color: var(--text-color); font-size: 1.3rem; text-decoration: none; border-bottom: 1px solid var(--text-color);
    padding-bottom: 4px; font-weight: 600; transition: opacity 0.3s ease;
}
.contact-link:hover { opacity: 0.6; }

/* Footer */
footer { padding: 4rem 0; text-align: center; background: var(--bg-color); }
footer p { color: var(--gray-color); font-size: 0.85rem; }

/* Responsive */
@media (max-width: 768px) { .nav-links a { display: none; } .hero { height: auto; padding: 10rem 5% 4rem 5%; } }
