/* 
    Thomas Zuberi Portfolio - Design System
    Palette: Black, White, Gray (Monochrome)
*/

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

:root {
    /* Colors - HSL Monochrome */
    --bg-primary: #0a0a0a;
    --bg-secondary: #141414;
    --bg-accent: #1f1f1f;
    
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #666666;
    
    --accent: #ffffff;
    --accent-dim: #e0e0e0;
    
    --border: rgba(255, 255, 255, 0.1);
    --glass: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 8rem;

    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

h1, h2, h3, h4 {
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--text-muted);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* Layout Components */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.section {
    padding: var(--space-xl) 0;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: var(--space-lg);
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.section-title::after {
    content: '';
    height: 1px;
    flex-grow: 1;
    background: linear-gradient(to right, var(--text-muted), transparent);
}

/* Glassmorphism Card */
.glass-card {
    background: var(--glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: var(--space-md);
    transition: var(--transition-smooth);
}

.glass-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-primary {
    background: var(--text-primary);
    color: var(--bg-primary);
}

.btn-primary:hover {
    background: var(--accent-dim);
    transform: scale(1.05);
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: var(--border);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: var(--space-sm) 0;
    transition: var(--transition-smooth);
}

.navbar.scrolled {
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--border);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.6rem;
    font-weight: 800;
    font-family: 'Outfit', sans-serif;
    border: 2px solid var(--text-primary);
    padding: 0.2rem 0.6rem;
    line-height: 1;
    letter-spacing: 0.05em;
    transition: var(--transition-fast);
}

.logo:hover {
    background: var(--text-primary);
    color: var(--bg-primary);
}

.nav-links {
    display: flex;
    gap: var(--space-md);
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.nav-link:hover, .nav-link.active {
    color: var(--text-primary);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(rgba(10, 10, 10, 0.7), rgba(10, 10, 10, 0.7)), url('assets/img/hero-bg.png') center/cover no-repeat;
}

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

.hero-tag {
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    color: var(--text-muted);
    margin-bottom: var(--space-sm);
    display: block;
}

.hero-name {
    font-size: clamp(3rem, 10vw, 7rem);
    line-height: 1;
    margin-bottom: var(--space-md);
}

.hero-name span {
    display: block;
    color: transparent;
    -webkit-text-stroke: 1px var(--text-primary);
}

.hero-roles {
    font-size: clamp(1rem, 3vw, 1.5rem);
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
}

/* Animations - Reveal on Scroll */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

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

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none; /* Mobile menu to be added if needed */
    }
    .section {
        padding: var(--space-lg) 0;
    }
}