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

:root {
    --primary-glow: #00d4ff;
    --primary-deep: #0066ff;
    --accent-gold: #ffd700;
    --dark-bg: #ffffff;
    --dark-card: #f5f5f5;
    --dark-border: rgba(0, 0, 0, 0.08);
    --text-main: #000000;
    --text-dim: rgba(0, 0, 0, 0.6);
    --white: #000000;
    --transition-smooth: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    --shadow-premium: 0 30px 60px rgba(0, 0, 0, 0.1);
    --glass: rgba(0, 0, 0, 0.03);
    --glass-border: rgba(0, 0, 0, 0.08);
}

/* Global Reset & Base */
body {
    background-color: var(--dark-bg);
    color: var(--text-main);
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
}

a {
    transition: var(--transition-smooth);
    text-decoration: none;
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--dark-bg); }
::-webkit-scrollbar-thumb { background: var(--primary-deep); border-radius: 10px; }

/* Section Utilities */
.section-padding { padding: 120px 0; }
.text-primary-tech { color: var(--primary-glow); }
.text-dim { color: var(--text-dim); }

/* Navbar - Premium Glass */
.navbar {
    padding: 25px 0;
    transition: var(--transition-smooth);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--dark-border);
    padding: 15px 0;
}

.navbar-brand .logo-box {
    display: flex;
    align-items: center;
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.navbar-brand i {
    font-size: 1.8rem;
    background: linear-gradient(135deg, var(--primary-glow), var(--primary-deep));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-link {
    color: var(--text-main) !important;
    font-weight: 500;
    margin: 0 12px;
    opacity: 0.7;
    position: relative;
    padding: 5px 0;
}

.nav-link:hover, .nav-link.active {
    opacity: 1;
    color: var(--primary-glow) !important;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-glow), var(--primary-deep));
    transition: var(--transition-smooth);
}

.nav-link.active::after, .nav-link:hover::after { width: 100%; }

/* Buttons */
.btn-primary-gradient {
    background: linear-gradient(135deg, var(--primary-glow), var(--primary-deep));
    color: var(--white);
    padding: 14px 28px;
    border-radius: 100px;
    font-weight: 600;
    border: none;
    position: relative;
    overflow: hidden;
    z-index: 1;
    display: inline-flex;
    align-items: center;
    transition: var(--transition-smooth);
    box-shadow: 0 10px 30px rgba(0, 102, 255, 0.4);
}

.btn-primary-gradient:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 15px 40px rgba(0, 102, 255, 0.6);
    color: var(--white);
}

.btn-outline-white {
    border: 1px solid rgba(0,0,0,0.2);
    color: var(--white);
    padding: 14px 28px;
    border-radius: 100px;
    font-weight: 600;
    transition: var(--transition-smooth);
}

.btn-outline-white:hover {
    background: var(--white);
    color: #ffffff;
}

/* Hero Section - The Billion Dollar Intro */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 100px;
    overflow: hidden;
    background: radial-gradient(circle at 80% 20%, rgba(0, 212, 255, 0.1) 0%, transparent 40%),
                radial-gradient(circle at 10% 80%, rgba(0, 102, 255, 0.1) 0%, transparent 40%);
}

.hero::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    background-image: url('https://www.transparenttextures.com/patterns/carbon-fibre.png');
    opacity: 0.05;
    z-index: -1;
}

.hero h1 {
    font-size: clamp(3rem, 6vw, 5.5rem);
    line-height: 1;
    font-weight: 900;
    margin-bottom: 25px;
    letter-spacing: -2px;
}

.hero h1 span {
    display: block;
    background: linear-gradient(90deg, #000000, var(--primary-glow));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-dim);
    margin-bottom: 40px;
    max-width: 600px;
}

.hero-image-wrapper {
    position: relative;
    z-index: 2;
}

.image-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120%;
    height: 120%;
    background: radial-gradient(circle, rgba(0, 102, 255, 0.2) 0%, transparent 70%);
    z-index: -1;
}

.hero-img {
    border-radius: 40px;
    box-shadow: var(--shadow-premium);
    transform: perspective(1000px) rotateY(-10deg) rotateX(5deg);
    transition: var(--transition-smooth);
}

.hero-img:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

/* Feature Cards - Bento Style Layout Possible */
.bento-card {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: 30px;
    padding: 40px;
    height: 100%;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.bento-card:hover {
    border-color: var(--primary-glow);
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

.bento-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.05) 0%, transparent 70%);
    opacity: 0;
    transition: var(--transition-smooth);
}

.bento-card:hover::before { opacity: 1; }

.card-icon {
    width: 70px;
    height: 70px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--primary-glow);
    margin-bottom: 25px;
}

/* Glass Panels */
.glass-panel {
    background: var(--glass);
    backdrop-filter: blur(40px);
    border: 1px solid var(--glass-border);
    border-radius: 30px;
}

/* Stats Section */
.stats-container {
    background: var(--dark-card);
    padding: 60px 0;
    border-radius: 40px;
    border: 1px solid var(--dark-border);
}

.stat-box h2 {
    font-size: 3.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #000000, var(--primary-glow));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0;
}

/* Why Us Section */
.check-list li {
    list-style: none;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.check-list i {
    color: var(--primary-glow);
    margin-right: 15px;
    font-size: 1.2rem;
}

/* Footer Section */
.footer {
    background: var(--dark-card);
    padding-top: 100px;
    border-top: 1px solid var(--dark-border);
}

.footer-top { padding-bottom: 80px; }

.footer-heading {
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 700;
}

.footer-links li a {
    color: var(--text-dim);
    display: inline-block;
    padding: 8px 0;
}

.footer-links li a:hover {
    color: var(--primary-glow);
    padding-left: 8px;
}

.social-links a {
    width: 45px;
    height: 45px;
    background: rgba(0,0,0,0.05);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: var(--white);
    margin-right: 10px;
}

.social-links a:hover {
    background: var(--primary-glow);
    color: #ffffff;
}

.footer-bottom {
    padding: 30px 0;
    border-top: 1px solid var(--dark-border);
}

/* Form Controls */
.premium-form .form-control {
    background: rgba(0,0,0,0.03);
    border: 1px solid var(--dark-border);
    border-radius: 15px;
    padding: 15px 20px;
    color: var(--white);
    transition: var(--transition-smooth);
}

.premium-form .form-control:focus {
    background: rgba(0,0,0,0.05);
    border-color: var(--primary-glow);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.1);
}

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-glow);
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    visibility: hidden;
    opacity: 0;
    transition: var(--transition-smooth);
}

.back-to-top.active {
    visibility: visible;
    opacity: 1;
}

/* Responsive */
@media (max-width: 991px) {
    .section-padding { padding: 80px 0; }
    .hero-img { transform: none !important; margin-top: 50px; }
    .navbar-collapse {
        background: #ffffff;
        margin-top: 20px;
        padding: 30px;
        border-radius: 20px;
        border: 1px solid var(--dark-border);
    }
}