/* --- 1. VARIABLES & THEME --- */
:root {
    /* Palette: Professional Charcoal & Muted Gold */
    --primary: #1a1a1a;     /* Deep Black/Charcoal */
    --secondary: #2c2c2c;   /* Dark Grey */
    --accent: #d4af37;      /* Metallic Gold */
    --accent-hover: #b5952f;
    --text-dark: #333333;
    --text-light: #f5f5f5;
    --bg-light: #ffffff;
    --bg-off: #f8f9fa;
    
    /* Effects */
    --shadow-soft: 0 10px 30px rgba(0,0,0,0.05);
    --shadow-hover: 0 20px 40px rgba(0,0,0,0.1);
    
    /* Typography */
    --font-heading: 'Playfair Display', serif; 
    --font-body: 'Lato', sans-serif;
    
    --transition: all 0.4s ease;
}

/* --- 2. GLOBAL RESET --- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: var(--font-body);
    line-height: 1.7;
    color: var(--text-dark);
    background: var(--bg-light);
    overflow-x: hidden;
}

a { text-decoration: none; color: inherit; transition: var(--transition); }
img { width: 100%; display: block; }

/* --- 3. UTILITY CLASSES --- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section { padding: 100px 0; position: relative; }
.text-center { text-align: center; }
.text-accent { color: var(--accent); }
.text-light { color: var(--text-light); }
.bg-dark { background: var(--primary); color: var(--text-light); }
.bg-light { background: var(--bg-off); }

/* Headers */
.section-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--accent);
    margin-bottom: 15px;
    font-weight: 700;
}
.section-header h2 {
    font-family: var(--font-heading);
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 25px;
}
.bg-dark .section-header h2 { color: #fff; }
.line { width: 60px; height: 3px; background: var(--accent); margin-bottom: 30px; }
.bg-dark .line { background: var(--accent); }

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 35px;
    border-radius: 0; 
    font-weight: 700;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    font-size: 0.8rem;
}
.btn-primary { background: var(--accent); color: #fff; border: 1px solid var(--accent); }
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-3px); }
.btn-text { background: transparent; color: #fff; border-bottom: 1px solid rgba(255,255,255,0.5); padding: 10px 0; margin-left: 20px; }
.btn-text:hover { color: var(--accent); border-color: var(--accent); }

/* --- 4. HEADER & NAV --- */
.header {
    position: fixed; top: 0; width: 100%; z-index: 1000;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 20px rgba(0,0,0,0.03);
}
.nav-container { height: 90px; display: flex; justify-content: space-between; align-items: center; }
.logo { font-family: var(--font-heading); font-size: 1.6rem; font-weight: 700; color: var(--primary); letter-spacing: -0.5px; }
.logo span { color: var(--accent); font-style: italic; }
.nav-list { display: flex; align-items: center; gap: 40px; }
.nav-link { font-size: 0.8rem; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; color: var(--primary); }
.nav-link:hover, .nav-link.active { color: var(--accent); }
.btn-nav { padding: 10px 25px; border: 1px solid var(--primary); }
.btn-nav:hover { background: var(--primary); color: #fff; }
.hamburger { display: none; font-size: 1.5rem; cursor: pointer; color: var(--primary); }

/* --- 5. HERO SECTION --- */
.hero {
    height: 100vh;
    background: url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?ixlib=rb-1.2.1&auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
    position: relative; display: flex; align-items: center; color: #fff;
}
.hero-overlay {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(135deg, rgba(10, 10, 10, 0.9) 0%, rgba(20, 20, 20, 0.7) 100%);
}
.hero-content { position: relative; z-index: 2; max-width: 800px; padding-top: 60px; }
.hero-tag { display: block; color: var(--accent); letter-spacing: 3px; font-weight: 700; margin-bottom: 20px; font-size: 0.8rem; text-transform: uppercase; }
.hero h1 { font-family: var(--font-heading); font-size: 4rem; line-height: 1.1; margin-bottom: 30px; }
.hero p { font-size: 1.2rem; opacity: 0.9; margin-bottom: 40px; font-weight: 300; max-width: 600px; }

/* Scroll Animation */
.scroll-indicator { position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%); opacity: 0.7; }
.mouse { width: 30px; height: 50px; border: 2px solid rgba(255,255,255,0.5); border-radius: 20px; position: relative; }
.wheel { width: 4px; height: 8px; background: #fff; position: absolute; top: 10px; left: 50%; transform: translateX(-50%); border-radius: 2px; animation: scroll 2s infinite; }
@keyframes scroll { 0% { top: 10px; opacity: 1; } 100% { top: 30px; opacity: 0; } }

/* --- 6. STATS BAR --- */
.stats-bar { margin-top: -60px; position: relative; z-index: 10; padding: 0 20px; }
.stats-grid { background: #fff; box-shadow: var(--shadow-hover); padding: 40px; display: flex; justify-content: space-around; border-bottom: 4px solid var(--accent); }
.stat-item { text-align: center; }
.stat-num { display: block; font-family: var(--font-heading); font-size: 2.5rem; color: var(--primary); font-weight: 700; line-height: 1; }
.stat-desc { font-size: 0.8rem; color: #888; text-transform: uppercase; letter-spacing: 1px; margin-top: 5px; }

/* --- 7. ABOUT SECTION --- */
.about-wrapper { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.checklist { margin-top: 30px; display: grid; grid-template-columns: 1fr; gap: 15px; }
.checklist div { font-weight: 600; color: var(--primary); font-size: 0.95rem; }
.checklist i { color: var(--accent); margin-right: 8px; }
.about-visual { position: relative; }
.image-frame img { box-shadow: var(--shadow-soft); width: 100%; border-radius: 2px; }
.visual-card {
    position: absolute; bottom: -30px; left: -30px; background: var(--primary); color: #fff; padding: 30px;
    box-shadow: var(--shadow-soft); display: flex; align-items: center; gap: 15px;
}
.visual-card i { font-size: 2rem; color: var(--accent); }
.visual-card span { font-weight: 700; line-height: 1.2; font-size: 0.9rem; text-transform: uppercase; letter-spacing: 1px; }

/* --- 8. SECTORS GRID (Detailed) --- */
.sectors-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 40px; margin-top: 50px; }
.sector-card { background: #fff; transition: var(--transition); cursor: default; }
.sector-card:hover { transform: translateY(-5px); }
.sector-img { height: 250px; overflow: hidden; margin-bottom: 25px; }
.sector-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.sector-card:hover .sector-img img { transform: scale(1.05); }
.sector-content h3 { font-family: var(--font-heading); font-size: 1.4rem; color: var(--primary); margin-bottom: 10px; }
.sector-content p { color: #666; font-size: 0.95rem; }

/* --- 9. STANDARDS (New) --- */
.standards-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; margin-top: 50px; }
.standard-box { background: rgba(255,255,255,0.05); padding: 40px; border: 1px solid rgba(255,255,255,0.1); transition: var(--transition); }
.standard-box:hover { border-color: var(--accent); background: rgba(255,255,255,0.08); }
.standard-box i { font-size: 2.5rem; color: var(--accent); margin-bottom: 20px; }
.standard-box h3 { font-size: 1.2rem; margin-bottom: 15px; font-weight: 600; color: #fff; }
.standard-box p { font-size: 0.9rem; opacity: 0.7; color: #ddd; }

/* --- 10. TOOLS STRIP --- */
.tools-strip { background: var(--bg-off); padding: 50px 0; border-top: 1px solid #eee; border-bottom: 1px solid #eee; }
.tools-grid { display: flex; justify-content: center; flex-wrap: wrap; gap: 40px; }
.tools-grid span { font-size: 1.1rem; font-weight: 700; color: #888; display: flex; align-items: center; gap: 10px; }
.tools-grid span i { color: var(--accent); }

/* --- 11. CONTACT DISPLAY (No Form) --- */
.contact-display-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 30px; margin-top: 50px; }
.contact-card { background: #fff; padding: 40px 20px; text-align: center; border: 1px solid #eee; transition: var(--transition); }
.contact-card:hover { box-shadow: var(--shadow-hover); border-color: var(--accent); }
.icon-circle { width: 70px; height: 70px; background: var(--bg-off); border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; color: var(--accent); font-size: 1.5rem; }
.contact-card h3 { font-family: var(--font-heading); margin-bottom: 10px; color: var(--primary); }
.contact-link { font-size: 1.1rem; font-weight: 700; color: var(--primary); margin-bottom: 5px; }
.sub-text { font-size: 0.85rem; color: #888; }

/* --- 12. FOOTER --- */
.footer { background: #111; color: #777; padding: 80px 0 20px; font-size: 0.9rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 60px; }
.logo-light { color: #fff; font-size: 1.5rem; font-family: var(--font-heading); font-weight: 700; margin-bottom: 20px; }
.logo-light span { color: var(--accent); }
.footer h4 { color: #fff; margin-bottom: 20px; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; font-size: 0.8rem; }
.footer ul li { margin-bottom: 10px; }
.footer ul li:hover { color: var(--accent); cursor: default; }
.footer-bottom { border-top: 1px solid #222; padding-top: 20px; text-align: center; }
.social-links a { color: #fff; margin-right: 15px; font-size: 1.2rem; }
.social-links a:hover { color: var(--accent); }

/* --- 13. ANIMATIONS --- */
.fade-in { opacity: 0; transform: translateY(30px); transition: all 0.8s ease-out; }
.fade-in.visible { opacity: 1; transform: translateY(0); }
.fade-in-left { opacity: 0; transform: translateX(-50px); transition: all 0.8s ease-out; }
.fade-in-left.visible { opacity: 1; transform: translateX(0); }
.fade-in-right { opacity: 0; transform: translateX(50px); transition: all 0.8s ease-out; }
.fade-in-right.visible { opacity: 1; transform: translateX(0); }

/* --- RESPONSIVE --- */
@media (max-width: 992px) {
    .hero h1 { font-size: 3rem; }
    .about-wrapper { grid-template-columns: 1fr; gap: 50px; }
    .stats-bar { display: none; }
    .footer-grid { grid-template-columns: 1fr; gap: 30px; }
}
@media (max-width: 768px) {
    .hamburger { display: block; }
    .nav-menu { position: fixed; top: 0; right: -100%; width: 85%; height: 100vh; background: #fff; flex-direction: column; padding-top: 100px; box-shadow: -10px 0 30px rgba(0,0,0,0.1); z-index: 999; transition: 0.4s; }
    .nav-menu.active { right: 0; }
    .nav-list { flex-direction: column; width: 100%; }
}