/* Modern Reset & Variables */
:root {
    --bg-color: #050505;
    --surface-color: #121212;
    --surface-hover: #1e1e1e;
    --primary-color: #00f2ff;
    --secondary-color: #7000ff;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --font-main: 'Outfit', sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --container-width: 1200px;
    --glass: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-main);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: clamp(3rem, 8vw, 6rem);
    background: linear-gradient(to right, #fff, var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: 3rem;
    text-align: center;
}

h2 span {
    color: var(--primary-color);
}

p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

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

ul {
    list-style: none;
}

/* Layout Utilities */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 8rem 0;
    position: relative;
}

/* Header / Nav */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid transparent;
}

header.scrolled {
    background: rgba(5, 5, 5, 0.8);
    border-bottom: 1px solid var(--glass-border);
    padding: 1rem 0;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.05em;
}

.logo span {
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    gap: 3rem;
}

.nav-links a {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 0.7;
}

.nav-links a:hover {
    opacity: 1;
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

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

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    margin-bottom: 1rem;
    display: block;
    font-weight: 600;
}

.hero-description {
    max-width: 600px;
    margin: 2rem auto;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: 50px;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: var(--primary-color);
    z-index: -1;
    transition: var(--transition);
}

.cta-button:hover {
    color: #000;
    box-shadow: 0 0 20px rgba(0, 242, 255, 0.4);
}

.cta-button:hover::before {
    width: 100%;
}

/* Background Animation Canvas */
#bg-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    opacity: 0.4;
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    aspect-ratio: 1;
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%);
    transition: var(--transition);
}

.about-image:hover img {
    filter: grayscale(0%);
    transform: scale(1.05);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.stat-item h3 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-item p {
    font-size: 0.9rem;
    margin: 0;
}

/* Skills Section */
.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.skill-card {
    background: var(--surface-color);
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid var(--glass-border);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.skill-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px -10px rgba(0, 242, 255, 0.1);
}

.skill-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.skill-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

/* Experience Section */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: var(--glass-border);
}

.timeline-item {
    margin-bottom: 4rem;
    position: relative;
    width: 50%;
}

.timeline-item:nth-child(odd) {
    left: 0;
    padding-right: 3rem;
    text-align: right;
}

.timeline-item:nth-child(even) {
    left: 50%;
    padding-left: 3rem;
}

.timeline-dot {
    position: absolute;
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    border-radius: 50%;
    top: 0;
    box-shadow: 0 0 0 5px rgba(0, 242, 255, 0.2);
}

.timeline-item:nth-child(odd) .timeline-dot {
    right: -10px;
}

.timeline-item:nth-child(even) .timeline-dot {
    left: -10px;
}

.timeline-content {
    background: var(--surface-color);
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid var(--glass-border);
    transition: var(--transition);
}

.timeline-content:hover {
    border-color: var(--primary-color);
}

.timeline-date {
    color: var(--primary-color);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    display: block;
}

/* Contact Section */
.contact-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 3rem;
}

.social-link {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--surface-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    border: 1px solid var(--glass-border);
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary-color);
    color: #000;
    transform: translateY(-5px);
}

/* Footer */
footer {
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid var(--glass-border);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

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

/* Mobile Responsive */
@media (max-width: 768px) {
    h1 { font-size: 3rem; }
    
    .nav-links { display: none; }
    
    .about-grid { grid-template-columns: 1fr; }
    
    .timeline::before { left: 0; }
    
    .timeline-item {
        width: 100%;
        padding-left: 2rem;
        padding-right: 0;
        text-align: left;
    }
    
    .timeline-item:nth-child(odd) {
        left: 0;
        text-align: left;
        padding-left: 2rem;
    }
    
    .timeline-item:nth-child(even) { left: 0; }
    
    .timeline-dot { left: -10px !important; }
}