/* ========================================
   GLOBAL STYLES & CSS VARIABLES
   ======================================== */

:root {
    /* Colors - Dark Theme with Transparency */
    --color-primary: rgba(26, 26, 26, 0.85);
    --color-secondary: rgba(20, 20, 20, 0.8);
    --color-accent: rgba(35, 35, 35, 0.75);
    --color-dark: #2d1b69;
    --color-dark-light: #4a3aa3;
    --color-border: rgba(100, 100, 120, 0.3);
    --color-text: #ffffff;
    --color-text-light: #b0b0b0;
    --color-highlight: #6C63FF;
    --color-purple: #6C63FF;
    --color-blue: #5E6FD8;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, rgba(26, 26, 26, 0.85) 0%, rgba(20, 20, 20, 0.8) 100%);
    --gradient-accent: linear-gradient(135deg, #5E6FD8 0%, #6C63FF 100%);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
    
    /* Border radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease-out;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    color: #ffffff;
    background-color: #1a1a1a;
    overflow-x: hidden;
    line-height: 1.6;
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xxl);
    background: rgba(26, 26, 26, 0.7);
    padding: var(--spacing-xl);
    border-radius: var(--radius-md);
}

.section-title {
    font-family: 'Press Start 2P', cursive;
    font-size: clamp(1.5rem, 5vw, 3.5rem);
    color: var(--color-blue);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: var(--spacing-lg);
    font-weight: 800;
}

.title-underline {
    width: 100%;
    height: 2px;
    background: var(--color-blue);
    margin-top: var(--spacing-md);
}

/* ========================================
   NAVIGATION
   ======================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(20, 20, 20, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(15, 15, 15, 0.98);
    box-shadow: var(--shadow-md);
}

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

.navbar-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: 'Press Start 2P', cursive;
    font-size: 1rem;
    color: var(--color-blue);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 800;
}

.logo-icon {
    font-size: 1.5rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
}

.nav-link {
    color: #ffffff;
    text-decoration: none;
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-blue);
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--color-blue);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-buttons {
    display: flex;
    gap: var(--spacing-md);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--color-blue);
    margin: 3px 0;
    transition: var(--transition);
    border-radius: 2px;
}

/* ========================================
   BUTTONS
   ======================================== */

.btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    border: 2px solid var(--color-blue);
    border-radius: var(--radius-sm);
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.85rem;
    text-decoration: none;
    display: inline-block;
    position: relative;
    overflow: hidden;
}

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

.btn-primary {
    color: #ffffff;
    background: var(--color-blue);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}

.btn-secondary {
    color: var(--color-blue);
    background: transparent;
    box-shadow: none;
}

.btn-secondary::before {
    left: 0;
    background: rgba(50, 50, 70, 0.8);
}

.btn-secondary:hover {
    background: rgba(50, 50, 70, 0.8);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-top: 60px;
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.7) 0%, rgba(20, 20, 20, 0.7) 100%);
}

.particles {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 1;
}

.particle {
    position: absolute;
    width: 1px;
    height: 1px;
    background: rgba(0, 0, 0, 0.15);
    border-radius: 50%;
    pointer-events: none;
}

.hero-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.5) 0%, rgba(20, 20, 20, 0.6) 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    font-family: 'Press Start 2P', cursive;
    font-size: clamp(2rem, 10vw, 5rem);
    color: var(--color-blue);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    margin-bottom: var(--spacing-lg);
    font-weight: 900;
}

.hero-subtitle {
    font-size: clamp(1rem, 3vw, 1.5rem);
    color: var(--color-text);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.hero-description {
    font-size: 1rem;
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
    line-height: 1.8;
    font-weight: 300;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1.2s ease-out;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    z-index: 4;
    animation: bounce 2s ease-in-out infinite;
}

.scroll-indicator span {
    display: block;
    color: var(--color-text);
    font-size: 0.85rem;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.scroll-arrow {
    width: 2px;
    height: 20px;
    background: var(--color-blue);
    margin: 0 auto;
}

/* ========================================
   ABOUT SECTION
   ======================================== */

.about {
    padding: var(--spacing-xl) 0;
    background: rgba(20, 20, 20, 0.85);
    background-image: 
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 10px,
            rgba(108, 99, 255, 0.03) 10px,
            rgba(108, 99, 255, 0.03) 20px
        ),
        repeating-linear-gradient(
            -45deg,
            transparent,
            transparent 10px,
            rgba(94, 111, 216, 0.03) 10px,
            rgba(94, 111, 216, 0.03) 20px
        );
    position: relative;
}

.about-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    margin: 0 auto;
}

.about-intro {
    font-size: 1.2rem;
    color: #e0e0e0;
    margin-bottom: var(--spacing-xl);
    font-weight: 600;
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
    padding: var(--spacing-xl);
    background: rgba(35, 35, 35, 0.7);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    color: var(--color-blue);
    font-weight: 800;
}

.stat-label {
    color: var(--color-text);
    font-size: 0.9rem;
    margin-top: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.about-description {
    font-size: 1rem;
    color: var(--color-text);
    line-height: 1.9;
    margin: var(--spacing-xl) 0;
}

.skills-container {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(0, 212, 212, 0.1);
}

.skills-title {
    font-size: 1.1rem;
    color: var(--color-blue);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-lg);
    font-weight: 700;
}

.skills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.skill-badge {
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(50, 50, 70, 0.8);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    transition: var(--transition);
}

.skill-badge:hover {
    background: rgba(50, 50, 70, 0.8);
    border-color: var(--color-blue);
    box-shadow: var(--shadow-md);
}

/* ========================================
   PORTFOLIO SECTION
   ======================================== */

.portfolio {
    padding: var(--spacing-xl) 0;
    background: rgba(26, 26, 26, 0.8);
    background-image: 
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 30px,
            rgba(108, 99, 255, 0.02) 30px,
            rgba(108, 99, 255, 0.02) 60px
        ),
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 30px,
            rgba(94, 111, 216, 0.02) 30px,
            rgba(94, 111, 216, 0.02) 60px
        );
    position: relative;
}

.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xxl);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: transparent;
    border: 2px solid var(--color-border);
    color: #ffffff;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: var(--transition);
    border-radius: var(--radius-sm);
    font-family: 'Poppins', sans-serif;
}

.filter-btn:hover,
.filter-btn.active {
    border-color: var(--color-blue);
    color: var(--color-blue);
    background: transparent;
    box-shadow: var(--shadow-sm);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.portfolio-item {
    animation: fadeInUp 0.6s ease-out;
    opacity: 1;
    transition: var(--transition);
}

.portfolio-item.hidden {
    display: none;
    opacity: 0;
}

.portfolio-card {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 2px solid var(--color-border);
    cursor: pointer;
    transition: var(--transition);
    background: rgba(35, 35, 35, 0.9);
}

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

.portfolio-image {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.portfolio-card:hover .portfolio-image {
    transform: scale(1.08);
}

.portfolio-placeholder {
    font-size: 4rem;
    opacity: 0.8;
}

.portfolio-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: rgba(26, 26, 26, 0.9);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 0;
    opacity: 0;
    transition: var(--transition);
    padding: var(--spacing-md);
    text-align: center;
    max-height: 0;
    overflow: hidden;
}

.portfolio-card:hover .portfolio-overlay {
    opacity: 1;
    max-height: 100px;
}

.portfolio-overlay h3 {
    font-family: 'Press Start 2P', cursive;
    font-size: 0.75rem;
    color: #6C63FF;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 700;
    margin: 0;
}

.portfolio-overlay p,
.view-btn {
    display: none;
}

.view-btn {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-blue);
    border: 2px solid var(--color-blue);
    color: #ffffff;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    font-family: 'Poppins', sans-serif;
    display: none;
}

.view-btn:hover {
    background: rgba(26, 26, 26, 0.85);
    color: var(--color-blue);
    box-shadow: var(--shadow-md);
}

.quick-links-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.quick-link-card {
    padding: var(--spacing-md);
    background: rgba(35, 35, 35, 0.75);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    text-align: center;
}

.quick-link-card:hover {
    background: rgba(50, 50, 60, 0.9);
    border-color: var(--color-blue);
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
}

.quick-link-icon {
    font-size: 2rem;
}

.quick-link-card h4 {
    color: #6C63FF;
    margin: 0;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.quick-link-card p {
    color: #e0e0e0;
    margin: 0;
    font-size: 0.8rem;
}

.contact {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.7) 0%, rgba(20, 20, 20, 0.7) 100%);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xxl);
    align-items: start;
}

.contact-methods {
    animation: fadeInLeft 0.8s ease-out;
    padding: var(--spacing-xl);
    background: rgba(26, 26, 26, 0.6);
    border-radius: var(--radius-md);
}

.contact-subtitle {
    font-size: 1.2rem;
    color: #6C63FF;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-lg);
    font-weight: 700;
    background: rgba(26, 26, 26, 0.8);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-sm);
    display: inline-block;
}

.contact-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.contact-card {
    padding: var(--spacing-lg);
    background: rgba(35, 35, 35, 0.85);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.contact-card:hover {
    background: rgba(50, 50, 60, 0.9);
    border-color: var(--color-blue);
    box-shadow: var(--shadow-md);
    transform: translateX(5px);
}

.contact-icon {
    font-size: 2rem;
    min-width: 60px;
    text-align: center;
}

.contact-card h4 {
    color: var(--color-blue);
    margin: 0;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.contact-card p {
    color: var(--color-text);
    margin: 0;
    font-size: 0.9rem;
}

.contact-form-wrapper {
    animation: fadeInRight 0.8s ease-out;
    padding: var(--spacing-xl);
    background: rgba(26, 26, 26, 0.6);
    border-radius: var(--radius-md);
}

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

.form-group {
    position: relative;
    display: flex;
    flex-direction: column;
}

.contact-form input,
.contact-form textarea {
    padding: var(--spacing-md);
    background: rgba(60, 60, 60, 0.8);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-family: 'Poppins', sans-serif;
    font-size: 0.95rem;
    transition: var(--transition);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: var(--color-text-light);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    background: rgba(80, 80, 100, 0.9);
    border-color: var(--color-blue);
    box-shadow: var(--shadow-sm);
}

.form-error {
    color: #d32f2f;
    font-size: 0.75rem;
    margin-top: 0.25rem;
    display: none;
}

.form-error.show {
    display: block;
}

/* ========================================
   FOOTER
   ======================================== */

.footer {
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    background: rgba(15, 15, 15, 0.95);
    color: #ffffff;
    border-top: 1px solid rgba(100, 100, 120, 0.3);
    background-size: cover;
    background-position: center;
    background-blend-mode: overlay;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section h4 {
    color: #ffffff;
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.95rem;
}

.footer-description {
    color: #b0b0b0;
    font-size: 0.9rem;
    line-height: 1.7;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: #b0b0b0;
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: #6C63FF;
    text-decoration: underline;
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.social-links a {
    color: #b0b0b0;
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

.social-links a:hover {
    color: #6C63FF;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(100, 100, 120, 0.3);
    color: #808080;
    font-size: 0.85rem;
}

/* ========================================
   MODAL
   ======================================== */

.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(26, 26, 26, 0.8);
    backdrop-filter: blur(5px);
    animation: fadeIn 0.3s ease-out;
    padding: var(--spacing-lg);
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: rgba(35, 35, 35, 0.95);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 2px solid var(--color-border);
    max-width: 600px;
    width: 100%;
    position: relative;
    animation: slideUp 0.4s ease-out;
    box-shadow: var(--shadow-lg);
}

.modal-close {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    font-size: 2rem;
    color: var(--color-blue);
    cursor: pointer;
    transition: var(--transition);
}

.modal-close:hover {
    transform: rotate(90deg);
    text-shadow: var(--glow-lg);
}

.modal-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.modal-icon {
    font-size: 3rem;
}

.modal-header h2 {
    color: var(--color-blue);
    font-size: 1.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 0;
}

.modal-content p {
    color: var(--color-text);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

/* ========================================
   IMAGE MODAL
   ======================================== */

.image-modal {
    display: none;
    position: fixed;
    z-index: 2000;
    padding-top: 50px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    align-items: center;
    justify-content: center;
}

.image-modal.show {
    display: flex;
}

.image-modal-close {
    position: absolute;
    top: 20px;
    right: 35px;
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--color-blue);
    cursor: pointer;
    transition: var(--transition);
    z-index: 2001;
}

.image-modal-close:hover {
    color: #ffffff;
    transform: scale(1.2);
}

#imageModalContent {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    animation: zoomIn 0.3s ease-out;
}

/* ========================================
   ANIMATIONS
   ======================================== */

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideUp {
    from {
        transform: translateY(30px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

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

@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes titleGlow {
    0%, 100% {
        text-shadow: 0 0 20px rgba(0, 255, 255, 0.5),
                     0 0 40px rgba(0, 212, 212, 0.3);
    }
    50% {
        text-shadow: 0 0 30px rgba(0, 255, 255, 0.7),
                     0 0 60px rgba(0, 212, 212, 0.5);
    }
}

@keyframes titlePulse {
    0%, 100% {
        letter-spacing: 0.2em;
    }
    50% {
        letter-spacing: 0.25em;
    }
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 768px) {
    :root {
        --spacing-xxl: 3rem;
        --spacing-xl: 2rem;
    }

    .nav-menu {
        gap: var(--spacing-md);
    }

    .nav-link {
        font-size: 0.75rem;
    }

    .hero {
        margin-top: 60px;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .portfolio-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: var(--spacing-md);
    }

    .about-stats {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .navbar-container {
        padding: var(--spacing-sm);
    }

    .navbar-logo {
        font-size: 0.75rem;
    }

    .nav-menu {
        display: none;
    }

    .nav-buttons {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .hero-title {
        font-size: clamp(1.5rem, 8vw, 2.5rem);
    }

    .hero-buttons {
        gap: var(--spacing-md);
    }

    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.75rem;
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: clamp(1.2rem, 4vw, 2rem);
    }

    .contact-form input,
    .contact-form textarea {
        font-size: 16px;
    }
}