:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --tech-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --dark-bg: linear-gradient(135deg, #0c0c0c 0%, #1a1a1a 100%);
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --accent-cyan: #00d4ff;
    --accent-purple: #8b5cf6;
    --success-green: #10b981;
}

* {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(circle at 20% 80%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(16, 185, 129, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

header {
    background: var(--dark-bg);
    color: white;
    padding: 10rem 0 8rem;
    position: relative;
    overflow: hidden;
}

header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at center, rgba(0, 212, 255, 0.1) 0%, transparent 70%),
        linear-gradient(45deg, transparent 30%, rgba(139, 92, 246, 0.05) 50%, transparent 70%);
    pointer-events: none;
}

section {
    background: var(--dark-bg);
    padding: 5rem 0;
    position: relative;
}

section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 20%, rgba(139, 92, 246, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 212, 255, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

h1 {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    background: var(--tech-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 4rem;
    margin-bottom: 1.5rem;
}

h2 {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    margin-bottom: 3rem;
    color: var(--text-primary);
    position: relative;
}

h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--tech-gradient);
    border-radius: 2px;
}

h3,
h4,
h5,
h6 {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    color: var(--text-primary);
}

.card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--tech-gradient);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-cyan);
    box-shadow: 0 20px 60px rgba(0, 212, 255, 0.2);
}

.card:hover::before {
    opacity: 0.1;
}

.card-title {
    color: var(--text-primary);
    font-weight: 600;
}

.card-text {
    color: var(--text-secondary);
}

.btn-primary {
    background: var(--tech-gradient);
    border: none;
    border-radius: 50px;
    padding: 1rem 2.5rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.4);
    background: var(--primary-gradient);
}

nav {
    background: rgba(12, 12, 12, 0.9) !important;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar-brand {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    background: var(--tech-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-link {
    font-weight: 500;
    color: var(--text-secondary) !important;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--accent-cyan) !important;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 50%;
    background: var(--tech-gradient);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 80%;
}

.form-control {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    border-radius: 12px;
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    background: var(--glass-bg);
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 0.2rem rgba(0, 212, 255, 0.25);
    color: var(--text-primary);
}

.form-label {
    color: var(--text-primary);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

img {
    filter: brightness(0.7) contrast(1.2);
    transition: all 0.3s ease;
}

img:hover {
    filter: brightness(1) contrast(1) hue-rotate(180deg);
    transform: scale(1.05);
}

footer {
    background: rgba(12, 12, 12, 0.95) !important;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

p {
    color: var(--text-secondary);
}

.lead {
    color: var(--text-secondary);
}

.text-warning {
    color: #ffc107 !important;
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    header {
        padding: 6rem 0 4rem;
    }
}