/* 
=========================================
Premium Cinematic Portfolio Design System
=========================================
*/

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

:root {
    --font-primary: 'Inter', sans-serif;
    --font-heading: 'Poppins', sans-serif;

    /* Color System - Midnight Obsidian */
    --bg-color: #05050a;
    --surface-color: rgba(255, 255, 255, 0.03);
    --surface-hover: rgba(255, 255, 255, 0.07);
    
    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --text-tertiary: #4b5563;

    /* Accents */
    --cyan: #00f2fe;
    --blue: #4facfe;
    --purple: #a855f7;
    --pink: #ec4899;
    --amber: #f59e0b;
    
    /* Gradients */
    --grad-primary: linear-gradient(135deg, var(--cyan) 0%, var(--blue) 100%);
    --grad-purple: linear-gradient(135deg, var(--purple) 0%, var(--pink) 100%);
    --grad-dark: linear-gradient(180deg, #05050a 0%, #0a0a15 100%);

    /* Glass Effects */
    --glass-bg: rgba(15, 15, 25, 0.6);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-blur: blur(16px);
    
    /* Shadows & Glows */
    --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.6);
    --glow-cyan: 0 0 30px rgba(0, 242, 254, 0.3);
    --glow-purple: 0 0 30px rgba(168, 85, 247, 0.3);

    /* Spacing & Radius */
    --radius-sm: 12px;
    --radius-md: 20px;
    --radius-lg: 32px;
    --radius-full: 999px;
}

/* ===== RESET & BASE ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-color);
    background-image: var(--grad-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

#particle-canvas {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    opacity: 0.5;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 28px;
    position: relative;
    z-index: 1;
}

a { text-decoration: none; color: inherit; transition: all 0.3s ease; }
ul { list-style: none; }
img { max-width: 100%; border-radius: var(--radius-sm); }

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 800;
    letter-spacing: -0.02em;
}

.text-gradient {
    background: var(--grad-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== HEADER & NAV ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 80px;
    z-index: 1000;
    display: flex;
    align-items: center;
    transition: all 0.4s ease;
}

.header.scrolled {
    background: rgba(5, 5, 10, 0.8);
    backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--glass-border);
    height: 70px;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 28px;
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: 900;
    background: var(--grad-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    gap: 12px;
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    padding: 8px 20px;
    border-radius: var(--radius-full);
}

.nav-links a:hover, .nav-links a.active {
    color: var(--text-primary);
    background: var(--surface-color);
}

/* ===== HERO SECTION ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
    position: relative;
    z-index: 1;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    animation: fadeInSlideUp 1s ease forwards;
}

@keyframes fadeInSlideUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-avatar {
    width: 120px;
    height: 120px;
    background: var(--grad-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3.5rem;
    margin-bottom: 30px;
    box-shadow: var(--glow-cyan);
    border: 3px solid rgba(255, 255, 255, 0.2);
    animation: float 4s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

.hero h1 {
    font-size: 4.5rem;
    line-height: 1.1;
    margin-bottom: 24px;
}

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

.hero-buttons {
    display: flex;
    gap: 20px;
}

/* ===== BUTTONS ===== */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 36px;
    background: var(--grad-primary);
    color: #000;
    font-weight: 700;
    border-radius: var(--radius-full);
    box-shadow: var(--glow-cyan);
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 242, 254, 0.5);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 36px;
    background: var(--surface-color);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    font-weight: 600;
    border-radius: var(--radius-full);
}

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

/* ===== PROJECT CARDS ===== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 3rem;
    margin-bottom: 16px;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.project-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all 0.4s ease;
}

.project-card:hover {
    transform: translateY(-10px);
    border-color: var(--cyan);
    box-shadow: var(--shadow-lg);
}

.project-image-wrapper {
    height: 240px;
    overflow: hidden;
    position: relative;
}

.project-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.project-card:hover .project-image {
    transform: scale(1.1);
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-content {
    padding: 24px;
}

.project-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 16px;
}

.project-tag {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--cyan);
    background: rgba(0, 242, 254, 0.1);
    padding: 4px 12px;
    border-radius: var(--radius-full);
}

/* ===== SKILLS SECTION ===== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}

.skill-category {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    padding: 30px;
    border-radius: var(--radius-md);
}

.skill-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
}

.skill-tag {
    background: var(--surface-color);
    border: 1px solid var(--glass-border);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.skill-tag:hover {
    border-color: var(--cyan);
    color: var(--cyan);
}

/* ===== FOOTER ===== */
.footer {
    padding: 80px 0 40px;
    border-top: 1px solid var(--glass-border);
    margin-top: 100px;
    text-align: center;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
}

.social-links a {
    width: 50px;
    height: 50px;
    background: var(--surface-color);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--text-secondary);
}

.social-links a:hover {
    color: var(--cyan);
    border-color: var(--cyan);
    transform: translateY(-5px);
}

.footer-text {
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 968px) {
    .hero-grid { grid-template-columns: 1fr; text-align: center; }
    .hero-avatar { margin: 0 auto 30px; }
    .hero h1 { font-size: 3.5rem; }
    .hero-buttons { justify-content: center; }
    .hero-subtitle { margin: 0 auto 40px; }
}

@media (max-width: 768px) {
    h1 { font-size: 2.8rem !important; }
    .nav-links { display: none; }
}