:root {
    /* Cyber-Premium Color Palette */
    --bg-deep: #020617; /* Darkest Navy */
    --bg-card: rgba(15, 23, 42, 0.7); /* Translucent Glass */
    --primary: #38bdf8; /* Sky Blue Glow */
    --secondary: #818cf8; /* Indigo Glow */
    --accent: #f43f5e; /* Rose Glow for highlights */
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-glow: rgba(56, 189, 248, 0.15);
    
    /* Fluid Typography */
    --font-display: clamp(3rem, 10vw, 6rem);
    --font-h1: clamp(2.5rem, 8vw, 4.5rem);
    --font-h2: clamp(2rem, 5vw, 3rem);
    --font-p: clamp(1rem, 1.5vw, 1.125rem);
    
    /* Utilities */
    --section-spacing: clamp(5rem, 12vw, 10rem);
    --container-max: 1400px;
    --transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
    --radius: 24px;
}

/* Base Reset & Smoothness */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-deep);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

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

.container {
    width: 90%;
    max-width: var(--container-max);
    margin: 0 auto;
}

/* Floating Glass Header */
header {
    position: fixed;
    top: 2rem;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 1200px;
    padding: 1.25rem 2.5rem;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 100px;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

header.scrolled {
    top: 0;
    width: 100%;
    max-width: 100%;
    border-radius: 0;
    padding: 1rem 5%;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-decoration: none;
    letter-spacing: -1px;
}

.nav-links { display: flex; gap: 3rem; align-items: center; }
.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
}
.nav-links a:hover { color: var(--primary); text-shadow: 0 0 10px var(--glass-glow); }

/* Immersive Hero */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background: radial-gradient(circle at 50% 50%, rgba(56, 189, 248, 0.1), transparent 70%);
}

.hero-video-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
    background: 
        linear-gradient(to bottom, rgba(2, 6, 23, 0.8), rgba(2, 6, 23, 0.95)),
        url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?auto=format&fit=crop&q=80&w=2072') center/cover no-repeat;
    filter: brightness(0.7);
}

.hero-content {
    text-align: center;
    max-width: 1000px;
    z-index: 1;
}

.hero h1 {
    font-size: var(--font-display);
    font-weight: 800;
    line-height: 0.9;
    margin-bottom: 2rem;
    letter-spacing: -3px;
    background: linear-gradient(to bottom, #fff 30%, var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 3rem;
}

.btn {
    display: inline-block;
    padding: 1.25rem 3rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 100px;
    font-weight: 700;
    font-size: 1.1rem;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--secondary), var(--primary));
    opacity: 0;
    transition: var(--transition);
}

.btn:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 20px 40px -10px rgba(56, 189, 248, 0.5);
}
.btn:hover::before { opacity: 1; }
.btn span { position: relative; z-index: 1; }

/* Sections Styling */
.section { padding: var(--section-spacing) 0; }
.section-title {
    text-align: center;
    margin-bottom: 6rem;
}
.section-title h2 {
    font-size: var(--font-h2);
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(90deg, #fff, var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Glass Cards for Services */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
}

.service-card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    padding: 4rem 3rem;
    border-radius: var(--radius);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card:hover {
    border-color: var(--primary);
    transform: translateY(-15px);
    box-shadow: 0 30px 60px -20px var(--glass-glow);
}

.service-card i {
    font-size: 3rem;
    margin-bottom: 2rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.service-card h3 { font-size: 1.75rem; margin-bottom: 1rem; color: #fff; }
.service-card p { color: var(--text-secondary); line-height: 1.8; }

/* Layered About Section */
.about-layered {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: center;
}

.about-visual-group {
    position: relative;
}

.about-img-main {
    width: 100%;
    border-radius: var(--radius);
    box-shadow: 0 50px 100px -20px rgba(0,0,0,0.5);
}

.about-stats-overlay {
    position: absolute;
    bottom: -2rem;
    right: -2rem;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    padding: 3rem;
    border-radius: var(--radius);
    text-align: center;
}

.about-stats-overlay span {
    display: block;
    font-size: 4rem;
    font-weight: 900;
    line-height: 1;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.about-content-text h2 {
    margin-bottom: 2.5rem;
}

.about-content-text p {
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.about-content-text .btn {
    margin-top: 1.5rem;
}

/* Bento Portfolio Grid */
.portfolio-bento {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: 400px;
    gap: 1.5rem;
}

.portfolio-tile {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    cursor: pointer;
}

.portfolio-tile.wide { grid-column: span 2; }
.portfolio-tile.tall { grid-row: span 2; }

.portfolio-tile img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 1s cubic-bezier(0.23, 1, 0.32, 1);
}

.portfolio-tile:hover img { transform: scale(1.1); }

.portfolio-info {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, var(--bg-deep) 0%, transparent 70%);
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    opacity: 0;
    transition: var(--transition);
}

.portfolio-tile:hover .portfolio-info { opacity: 1; }
.portfolio-info h3 { font-size: 1.5rem; color: #fff; margin-bottom: 0.5rem; }
.portfolio-info p { color: var(--text-secondary); font-size: 0.9rem; }

/* Cyber Contact Form */
.contact-glass {
    background: var(--bg-card);
    backdrop-filter: blur(30px);
    border: 1px solid var(--glass-border);
    padding: 5rem;
    border-radius: 40px;
    max-width: 900px;
    margin: 0 auto;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.input-group { position: relative; }
.input-group input, .input-group textarea {
    width: 100%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    padding: 1.25rem 1.5rem;
    border-radius: 12px;
    color: #fff;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.input-group input:focus, .input-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(56, 189, 248, 0.05);
    box-shadow: 0 0 20px var(--glass-glow);
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 1s cubic-bezier(0.23, 1, 0.32, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Overrides */
@media (max-width: 1024px) {
    .about-layered { 
        grid-template-columns: 1fr; 
        gap: 4rem; 
    }
    
    .about-content-text {
        order: -1; /* Move text above visual on stack */
        text-align: center;
    }

    .about-visual-group {
        max-width: 500px;
        margin: 0 auto;
    }

    .portfolio-bento { grid-template-columns: 1fr 1fr; grid-auto-rows: 350px; }
}

@media (max-width: 768px) {
    header { top: 0; width: 100%; border-radius: 0; }
    .nav-links { display: none; }
    .portfolio-bento { grid-template-columns: 1fr; }
    .portfolio-tile.wide { grid-column: auto; }
    .form-row { grid-template-columns: 1fr; }
    .contact-glass { padding: 3rem 1.5rem; }
}