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

:root {
    /* --- Premium Palette --- */
    --navy-900: #020617;     /* Deepest Void */
    --navy-800: #0f172a;     /* Rich Background */
    --navy-700: #1e293b;     /* Card Background */
    
    --blue-600: #2563eb;     /* Action Blue */
    --blue-500: #3b82f6;     /* Bright Accent */
    
    --gold-400: #fbbf24;     /* Luxury Accent */
    
    --slate-100: #f1f5f9;    /* Light Grey bg */
    --slate-400: #94a3b8;    /* Muted Text */
    
    --white: #ffffff;
    
    /* --- Variables --- */
    --max-w: 1280px;
    --pad: clamp(24px, 6vw, 80px);
    --radius: 12px;          /* Premium rounded corners */
    --glass: rgba(255, 255, 255, 0.05);
    --border: 1px solid rgba(255, 255, 255, 0.08);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.3), 0 8px 10px -6px rgba(0, 0, 0, 0.3);
}

* { box-sizing: border-box; margin: 0; padding: 0; outline: none; }
html { scroll-behavior: smooth; }

body { 
    font-family: 'Inter', sans-serif; 
    color: var(--slate-100); 
    background-color: var(--navy-900); 
    line-height: 1.7; 
    overflow-x: hidden; 
}

a { text-decoration: none; color: inherit; transition: all 0.3s ease; }
img { max-width: 100%; display: block; }

/* --- TYPOGRAPHY --- */
h1, h2, h3, h4 { 
    font-family: 'Outfit', sans-serif; 
    color: var(--white); 
    font-weight: 700; 
    line-height: 1.1; 
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(48px, 6vw, 72px); margin-bottom: 24px; }
h2 { font-size: clamp(32px, 5vw, 48px); margin-bottom: 20px; }
h3 { font-size: 24px; margin-bottom: 16px; }

p.lead { 
    font-size: 18px; 
    color: var(--slate-400); 
    max-width: 65ch; 
    margin-bottom: 40px; 
    font-weight: 300;
}

/* --- UTILITIES --- */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 var(--pad); position: relative; z-index: 2; }
.section { padding: 120px 0; position: relative; }
.text-center { text-align: center; }
.text-gold { color: var(--gold-400); }
.text-blue { color: var(--blue-500); }

/* Background pattern */
.bg-grid {
    background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 40px 40px;
}

/* --- BUTTONS --- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 10px;
    padding: 16px 36px; border-radius: 50px; /* Pill shape for modern feel */
    font-weight: 600; font-size: 15px; cursor: pointer; transition: all 0.3s ease;
    border: 1px solid transparent; letter-spacing: 0.5px;
}

.btn-primary {
    background: var(--blue-600); color: var(--white);
    box-shadow: 0 0 20px rgba(37, 99, 235, 0.4);
}
.btn-primary:hover { 
    background: var(--blue-500); 
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(37, 99, 235, 0.6);
}

.btn-outline {
    background: rgba(255,255,255,0.05); color: var(--white);
    border-color: rgba(255,255,255,0.2);
    backdrop-filter: blur(10px);
}
.btn-outline:hover { 
    background: var(--white); color: var(--navy-900); border-color: var(--white);
}

/* --- COMPONENTS: GLOW CARDS --- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }

.card {
    background: var(--navy-800);
    border: var(--border);
    border-radius: var(--radius);
    padding: 40px;
    transition: 0.4s ease;
    position: relative;
    overflow: hidden;
}

/* Hover Effect: Glow from bottom */
.card::after {
    content: ""; position: absolute; bottom: 0; left: 0; width: 100%; height: 4px;
    background: var(--blue-500); transform: scaleX(0); transform-origin: left; transition: 0.4s ease;
}
.card:hover { 
    transform: translateY(-10px); 
    box-shadow: var(--shadow-lg); 
    border-color: rgba(255,255,255,0.2);
}
.card:hover::after { transform: scaleX(1); }

.card-icon {
    width: 60px; height: 60px; border-radius: 12px;
    background: rgba(37, 99, 235, 0.1); color: var(--blue-500);
    display: flex; align-items: center; justify-content: center;
    font-size: 24px; margin-bottom: 24px;
}

/* --- HEADER --- */
.header {
    position: fixed; top: 0; width: 100%; z-index: 1000;
    background: rgba(2, 6, 23, 0.85); /* Semi-transparent Navy */
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}
.nav-inner { height: 90px; display: flex; justify-content: space-between; align-items: center; }

.brand { font-family: 'Outfit', sans-serif; font-size: 24px; font-weight: 800; color: var(--white); display: flex; align-items: center; gap: 12px; }
.brand img { height: 32px; width: auto; }

.nav-menu { display: flex; gap: 40px; align-items: center; }
.nav-link { font-size: 14px; font-weight: 500; color: var(--slate-400); text-transform: uppercase; letter-spacing: 1px; }
.nav-link:hover { color: var(--white); }

/* --- HERO SECTION --- */
.hero {
    padding-top: 200px; padding-bottom: 120px;
    background: radial-gradient(circle at 50% 0%, #1e293b 0%, #020617 70%);
    position: relative;
    overflow: hidden;
}
/* Abstract "Light Beam" effect */
.hero::before {
    content: ""; position: absolute; top: -50%; left: 50%; transform: translateX(-50%);
    width: 100%; height: 100%;
    background: conic-gradient(from 180deg at 50% 50%, rgba(37,99,235,0.15) 0deg, transparent 60deg, transparent 300deg, rgba(37,99,235,0.15) 360deg);
    filter: blur(80px); opacity: 0.6; pointer-events: none;
}

/* --- TRUST BAR --- */
.trust-bar { border-bottom: 1px solid rgba(255,255,255,0.05); padding: 30px 0; background: rgba(0,0,0,0.2); }
.trust-grid { display: flex; justify-content: center; gap: 60px; flex-wrap: wrap; opacity: 0.6; }
.trust-item { font-size: 14px; font-weight: 600; display: flex; align-items: center; gap: 10px; color: var(--slate-400); }

/* --- FOOTER --- */
.footer { border-top: 1px solid rgba(255,255,255,0.05); padding: 100px 0 40px; background: #020617; }
.footer h4 { color: var(--white); margin-bottom: 24px; font-size: 14px; text-transform: uppercase; letter-spacing: 1px; }
.footer a { display: block; color: var(--slate-400); margin-bottom: 12px; font-size: 14px; transition: 0.2s; }
.footer a:hover { color: var(--blue-500); padding-left: 5px; }

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.05); padding-top: 30px; margin-top: 60px;
    display: flex; justify-content: space-between; align-items: center;
    font-size: 12px; color: var(--slate-400); flex-wrap: wrap; gap: 20px;
}

/* Floating WhatsApp */
.wa-float {
    position: fixed; bottom: 30px; right: 30px; z-index: 9999;
    width: 60px; height: 60px; background: #25D366; color: white;
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); transition: 0.3s;
}
.wa-float:hover { transform: scale(1.1); }
.wa-float svg { width: 32px; height: 32px; fill: white; }

/* Scroll Top (Left) */
#scrollTopBtn {
    position: fixed; bottom: 30px; left: 30px; z-index: 9999;
    width: 50px; height: 50px; background: rgba(255,255,255,0.1); 
    border: 1px solid rgba(255,255,255,0.2); color: white; border-radius: 50%;
    display: flex; align-items: center; justify-content: center; cursor: pointer;
    opacity: 0; visibility: hidden; transition: 0.3s; backdrop-filter: blur(5px);
}
#scrollTopBtn.visible { opacity: 1; visibility: visible; }
#scrollTopBtn:hover { background: var(--blue-600); border-color: var(--blue-600); }

/* --- MOBILE --- */
.mobile-toggle { display: none; background: none; border: none; color: white; font-size: 28px; cursor: pointer; }
.mobile-menu-overlay {
    position: fixed; inset: 0; background: var(--navy-900); z-index: 1001;
    display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 40px;
    transform: translateX(100%); transition: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.mobile-menu-overlay.active { transform: translateX(0); }
.mobile-menu-overlay a { font-size: 24px; font-weight: 600; color: var(--white); }

@media (max-width: 900px) {
    .nav-menu { display: none; }
    .mobile-toggle { display: block; }
    .grid-3, .grid-2 { grid-template-columns: 1fr; gap: 40px; }
    .hero { padding-top: 160px; text-align: center; }
    .footer-bottom { justify-content: center; text-align: center; }
}