/* ===================================
   AI Developer Portfolio - Styles
   Futuristic, Cinematic, Glassmorphism
   =================================== */

/* === CSS Custom Properties === */
:root {
    /* Colors - Dark Futuristic Palette */
    --color-bg-primary: #0a0a0f;
    --color-bg-secondary: #12121a;
    --color-bg-tertiary: #1a1a28;
    
    /* Neon Accents */
    --color-neon-cyan: #00f0ff;
    --color-neon-blue: #0066ff;
    --color-neon-purple: #9d00ff;
    --color-neon-pink: #ff00aa;
    
    /* Text Colors */
    --color-text-primary: #ffffff;
    --color-text-secondary: #b8b8d1;
    --color-text-muted: #6b6b8a;
    
    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: rgba(0, 240, 255, 0.1);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Typography */
    --font-heading: 'Orbitron', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.4s ease;
    --transition-slow: 0.6s ease;
    
    /* Effects */
    --glow-cyan: 0 0 20px rgba(0, 240, 255, 0.5),
                 0 0 40px rgba(0, 240, 255, 0.3),
                 0 0 60px rgba(0, 240, 255, 0.1);
    --glow-blue: 0 0 20px rgba(0, 102, 255, 0.5),
                 0 0 40px rgba(0, 102, 255, 0.3);
}

/* === Reset & Base Styles === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

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

/* Animated Background Pattern */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 102, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(157, 0, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(0, 240, 255, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
    animation: backgroundPulse 15s ease-in-out infinite;
}

@keyframes backgroundPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* === Typography === */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
}

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

/* === Utility Classes === */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xl) 0;
    position: relative;
}

/* Glassmorphism Card */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: 0 8px 32px var(--glass-shadow);
    transition: var(--transition-normal);
}

.glass-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(0, 240, 255, 0.3);
    box-shadow: 0 8px 32px rgba(0, 240, 255, 0.2);
    transform: translateY(-5px);
}

/* Neon Text Effect */
.neon-text {
    color: var(--color-neon-cyan);
    text-shadow: var(--glow-cyan);
    animation: neonPulse 2s ease-in-out infinite;
}

@keyframes neonPulse {
    0%, 100% { 
        text-shadow: var(--glow-cyan);
        opacity: 1;
    }
    50% { 
        text-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
        opacity: 0.9;
    }
}

.neon-accent {
    color: var(--color-neon-cyan);
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-label {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-neon-cyan);
    margin-bottom: var(--spacing-sm);
    padding: 0.5rem 1.5rem;
    background: rgba(0, 240, 255, 0.1);
    border: 1px solid rgba(0, 240, 255, 0.3);
    border-radius: 50px;
}

.section-title {
    font-size: 3.5rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-neon-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    border: 2px solid transparent;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-neon-cyan), var(--color-neon-blue));
    color: var(--color-bg-primary);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
}

.btn-primary:hover {
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.6);
    transform: translateY(-3px);
}

.btn-secondary {
    background: transparent;
    border-color: var(--color-neon-cyan);
    color: var(--color-neon-cyan);
}

.btn-secondary:hover {
    background: rgba(0, 240, 255, 0.1);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
    transform: translateY(-3px);
}

/* === Navigation === */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-normal);
}

.nav.scrolled {
    background: rgba(10, 10, 15, 0.95);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.25rem var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 900;
}

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    position: relative;
    transition: var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--color-neon-cyan);
    transform: translateX(-50%);
    transition: var(--transition-fast);
}

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

.nav-link-cta {
    background: rgba(0, 240, 255, 0.1);
    border: 1px solid var(--color-neon-cyan);
    border-radius: 50px;
}

.nav-link-cta:hover {
    background: rgba(0, 240, 255, 0.2);
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 2px;
    background: var(--color-neon-cyan);
    transition: var(--transition-fast);
}

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

.hero-video-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.hero-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(10, 10, 15, 0.9) 0%,
        rgba(0, 102, 255, 0.2) 50%,
        rgba(10, 10, 15, 0.9) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 1000px;
    padding: 0 var(--spacing-md);
}

.hero-headline {
    font-size: clamp(2.5rem, 8vw, 5.5rem);
    font-weight: 900;
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
}

.hero-subheadline {
    font-size: clamp(1rem, 2vw, 1.5rem);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    font-weight: 300;
}

.separator {
    color: var(--color-neon-cyan);
    margin: 0 1rem;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    z-index: 10;
    animation: scrollBounce 2s ease-in-out infinite;
}

.scroll-line {
    width: 2px;
    height: 40px;
    background: linear-gradient(to bottom, transparent, var(--color-neon-cyan));
}

.scroll-text {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-neon-cyan);
}

@keyframes scrollBounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

/* Reveal Animations */
.animate-reveal {
    opacity: 0;
    transform: translateY(30px);
    animation: revealUp 1s ease forwards;
}

.animate-reveal-delay {
    opacity: 0;
    transform: translateY(30px);
    animation: revealUp 1s ease 0.3s forwards;
}

.animate-reveal-delay-2 {
    opacity: 0;
    transform: translateY(30px);
    animation: revealUp 1s ease 0.6s forwards;
}

@keyframes revealUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* === About Section === */
.about-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.about-intro {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.highlight {
    color: var(--color-neon-cyan);
    font-weight: 700;
    position: relative;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--color-neon-cyan), transparent);
}

.about-description {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.stat-item {
    padding: var(--spacing-md);
    text-align: center;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 900;
    color: var(--color-neon-cyan);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Tech Orbit Animation */
.about-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.tech-orbit {
    position: relative;
    width: 300px;
    height: 300px;
}

.orbit-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border: 1px solid rgba(0, 240, 255, 0.2);
    border-radius: 50%;
    animation: orbitRotate 20s linear infinite;
}

.orbit-1 {
    width: 100%;
    height: 100%;
    animation-duration: 15s;
}

.orbit-2 {
    width: 75%;
    height: 75%;
    animation-duration: 20s;
    animation-direction: reverse;
}

.orbit-3 {
    width: 50%;
    height: 50%;
    animation-duration: 25s;
}

@keyframes orbitRotate {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

.orbit-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, var(--color-neon-cyan), var(--color-neon-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--glow-cyan);
}

.orbit-text {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 900;
    color: var(--color-bg-primary);
}

/* === Skills Section === */
.skills {
    background: var(--color-bg-secondary);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.skill-card {
    padding: var(--spacing-md);
    text-align: center;
    cursor: pointer;
}

.skill-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    filter: drop-shadow(0 0 10px rgba(0, 240, 255, 0.5));
}

.skill-name {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-primary);
}

.skill-description {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}

.skill-bar {
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    overflow: hidden;
    position: relative;
}

.skill-progress {
    height: 100%;
    width: var(--progress, 0%);
    background: linear-gradient(90deg, var(--color-neon-cyan), var(--color-neon-blue));
    border-radius: 2px;
    box-shadow: 0 0 10px var(--color-neon-cyan);
    transition: width 1.5s ease;
}

/* === Projects Section === */
.project-filters {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    color: var(--color-text-secondary);
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    background: rgba(0, 240, 255, 0.1);
    border-color: var(--color-neon-cyan);
    color: var(--color-neon-cyan);
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.2);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    gap: var(--spacing-lg);
}

.project-card {
    overflow: hidden;
    transition: var(--transition-normal);
}

.project-card.hidden {
    display: none;
}

.project-media {
    position: relative;
    width: 100%;
    height: 300px;
    overflow: hidden;
    border-radius: 12px 12px 0 0;
    background: var(--color-bg-tertiary);
}

.project-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.project-card:hover .project-video {
    transform: scale(1.05);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent 0%, rgba(10, 10, 15, 0.9) 100%);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: var(--spacing-md);
    opacity: 0;
    transition: var(--transition-normal);
}

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

.btn-play {
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--color-neon-cyan), var(--color-neon-blue));
    border: none;
    border-radius: 50px;
    color: var(--color-bg-primary);
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.5);
    transition: var(--transition-fast);
}

.btn-play:hover {
    transform: scale(1.05);
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.7);
}

.play-icon {
    font-size: 1.2rem;
}

.project-content {
    padding: var(--spacing-md);
}

.project-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.project-description {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: var(--spacing-md);
}

.tag {
    padding: 0.4rem 1rem;
    background: rgba(0, 240, 255, 0.1);
    border: 1px solid rgba(0, 240, 255, 0.3);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-neon-cyan);
}

.project-meta {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding-top: var(--spacing-sm);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.meta-item {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.meta-item strong {
    color: var(--color-text-primary);
}

/* === Experience Section === */
.experience {
    background: var(--color-bg-secondary);
}

.experience-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.experience-card {
    padding: var(--spacing-lg);
}

.experience-header {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.experience-icon {
    font-size: 3rem;
    filter: drop-shadow(0 0 10px rgba(0, 240, 255, 0.5));
}

.experience-title {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
    color: var(--color-text-primary);
}

.experience-company {
    font-size: 1.1rem;
    color: var(--color-neon-cyan);
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.experience-location,
.experience-period {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.experience-description {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.experience-description p {
    margin-bottom: var(--spacing-md);
    font-size: 1.05rem;
}

.experience-achievements {
    list-style: none;
    padding-left: 0;
}

.experience-achievements li {
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
    position: relative;
}

.experience-achievements li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--color-neon-cyan);
    font-size: 1.2rem;
}

/* === Contact Section === */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--spacing-lg);
    align-items: start;
}

.contact-heading {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--color-text-primary), var(--color-neon-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.contact-text {
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
    font-size: 1.1rem;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    cursor: pointer;
    text-decoration: none;
}

.contact-icon {
    font-size: 2rem;
    filter: drop-shadow(0 0 10px rgba(0, 240, 255, 0.5));
}

.contact-btn-content {
    display: flex;
    flex-direction: column;
}

.contact-btn-label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.contact-btn-value {
    font-size: 1.1rem;
    color: var(--color-neon-cyan);
    font-weight: 600;
}

/* Contact Form */
.contact-form {
    padding: var(--spacing-lg);
}

.form-group {
    position: relative;
    margin-bottom: var(--spacing-md);
}

.form-input {
    width: 100%;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: var(--color-text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-neon-cyan);
    background: rgba(255, 255, 255, 0.05);
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.2);
}

.form-label {
    position: absolute;
    top: 1rem;
    left: 1rem;
    color: var(--color-text-muted);
    font-size: 1rem;
    pointer-events: none;
    transition: var(--transition-fast);
}

.form-input:focus + .form-label,
.form-input:not(:placeholder-shown) + .form-label {
    top: -0.75rem;
    left: 0.75rem;
    font-size: 0.75rem;
    color: var(--color-neon-cyan);
    background: var(--color-bg-primary);
    padding: 0 0.5rem;
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.btn-submit {
    width: 100%;
    position: relative;
}

.btn-loading {
    display: none;
}

.btn-submit.loading .btn-text {
    display: none;
}

.btn-submit.loading .btn-loading {
    display: inline;
}

.form-message {
    margin-top: var(--spacing-md);
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
    font-weight: 600;
    display: none;
}

.form-message.success {
    display: block;
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid rgba(0, 255, 136, 0.3);
    color: #00ff88;
}

.form-message.error {
    display: block;
    background: rgba(255, 0, 85, 0.1);
    border: 1px solid rgba(255, 0, 85, 0.3);
    color: #ff0055;
}

/* === Footer === */
.footer {
    background: var(--color-bg-secondary);
    padding: var(--spacing-lg) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-text {
    color: var(--color-text-muted);
}

.footer-link {
    color: var(--color-neon-cyan);
    font-weight: 600;
    transition: var(--transition-fast);
}

.footer-link:hover {
    text-shadow: 0 0 10px var(--color-neon-cyan);
}

/* === Modal === */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(5px);
}

.modal-content {
    position: relative;
    max-width: 1000px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    padding: var(--spacing-lg);
    z-index: 10;
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: var(--color-text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.modal-close:hover {
    background: rgba(255, 0, 85, 0.2);
    border-color: #ff0055;
    color: #ff0055;
    transform: rotate(90deg);
}

/* === Responsive Design === */
@media (max-width: 1024px) {
    .section-title {
        font-size: 2.5rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .tech-orbit {
        width: 250px;
        height: 250px;
    }
    
    .projects-grid {
        grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(10, 10, 15, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: var(--spacing-lg);
        transition: var(--transition-normal);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .project-media {
        height: 250px;
    }
    
    .experience-header {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }
    
    .hero-cta {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
}