/* ==========================================
   CSS RESET & BASE STYLES
   ========================================== */
:root {
    --primary-color: #317EFB;
    --primary-dark: #1e5dd8;
    --primary-light: #5ca0ff;
    --accent-color: #00D9FF;
    --text-dark: #1a1a1a;
    --text-medium: #555;
    --text-light: #777;
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #e9ecef;
    --border-color: #dee2e6;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 12px 32px rgba(0, 0, 0, 0.15);
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.4s ease;
}

/* Dark mode variables */
[data-theme="dark"] {
    --primary-color: #5ca0ff;
    --primary-dark: #4a8ee8;
    --primary-light: #7bb5ff;
    --accent-color: #00E5FF;
    --text-dark: #e8e8e8;
    --text-medium: #b0b0b0;
    --text-light: #888;
    --bg-primary: #1a1a2e;
    --bg-secondary: #16213e;
    --bg-tertiary: #0f3460;
    --border-color: #2d3561;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 12px 32px rgba(0, 0, 0, 0.6);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.7;
    color: var(--text-dark);
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    background-attachment: fixed;
    min-height: 100vh;
    transition: background var(--transition-slow), color var(--transition-normal);
}

[data-theme="dark"] body {
    background: linear-gradient(135deg, #0f1419 0%, #1a1f2e 100%);
}

/* ==========================================
   ACCESSIBILITY
   ========================================== */
.skip-link {
    position: absolute;
    top: -50px;
    left: 0;
    background: var(--text-dark);
    color: var(--bg-primary);
    padding: 12px 20px;
    text-decoration: none;
    z-index: 1000;
    font-weight: 600;
    border-radius: 0 0 var(--radius-sm) 0;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 0;
    outline: 3px solid var(--accent-color);
}

/* ==========================================
   BACK TO TOP BUTTON
   ========================================== */
.back-to-top {
    position: fixed;
    bottom: -60px;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
    z-index: 999;
}

.back-to-top:hover,
.back-to-top:focus {
    transform: translateY(-5px) scale(1.1);
    box-shadow: var(--shadow-xl);
    outline: none;
}

.back-to-top.visible {
    bottom: 2rem;
}

[data-theme="dark"] .back-to-top {
    background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
}

a:focus,
button:focus,
input:focus,
textarea:focus,
select:focus {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
}

/* ==========================================
   TYPOGRAPHY
   ========================================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
}

h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    color: var(--primary-color);
    position: relative;
    padding-bottom: 0.5rem;
}

h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 2px;
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    color: var(--text-dark);
}

/* Buttons */
.btn-primary,
.btn-secondary,
.btn-ghost,
.resume-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.85rem 1.25rem;
    border-radius: var(--radius-md);
    font-weight: 700;
    text-decoration: none;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover,
.btn-primary:focus {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-dark);
    border-color: var(--border-color);
}

.btn-secondary:hover,
.btn-secondary:focus {
    background: var(--primary-light);
    color: white;
    border-color: var(--primary-color);
}

.btn-ghost {
    background: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-ghost:hover,
.btn-ghost:focus {
    background: var(--primary-color);
    color: white;
}

[data-theme="dark"] .btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-dark);
}

[data-theme="dark"] .btn-ghost {
    color: var(--primary-light);
    border-color: var(--primary-light);
}

p {
    margin-bottom: 1rem;
    color: var(--text-medium);
    font-size: 1.05rem;
}

strong {
    color: var(--text-dark);
    font-weight: 600;
}

em {
    color: var(--primary-dark);
}

/* ==========================================
   HEADER & NAVIGATION
   ========================================== */
header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 3rem 2rem;
    text-align: center;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
    transition: background var(--transition-normal);
}

.header-top {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    position: relative;
    z-index: 1;
}

.theme-toggle {
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.4);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-normal);
}

.theme-toggle:hover,
.theme-toggle:focus {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.8);
    transform: scale(1.1) rotate(20deg);
    outline: none;
}

header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: pulse 15s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-10%, -10%) scale(1.1); }
}

header h1 {
    margin: 0;
    position: relative;
    z-index: 1;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

nav {
    position: relative;
    z-index: 1;
    margin-top: 1.5rem;
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

nav li {
    display: inline-block;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.05rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-normal);
    position: relative;
    display: inline-block;
}

nav a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: all var(--transition-normal);
    transform: translateX(-50%);
}

nav a:hover::before,
nav a:focus::before {
    width: 100%;
}

nav a:hover,
nav a:focus {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

/* Ensure nav links are visible in dark mode too */
[data-theme="dark"] nav a {
    color: white;
}

[data-theme="dark"] nav a:hover,
[data-theme="dark"] nav a:focus {
    background: rgba(255, 255, 255, 0.2);
    color: var(--accent-color);
}

/* ==========================================
   MAIN CONTENT
   ========================================== */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

section {
    background: var(--bg-primary);
    margin: 3rem 0;
    padding: 3rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal), background var(--transition-normal), color var(--transition-normal);
    animation: fadeInUp 0.6s ease-out;
}

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

section:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

/* Dark theme adjustments for sections */
[data-theme="dark"] section {
    background: var(--bg-primary);
    color: var(--text-dark);
    border-color: var(--border-color);
}

/* ==========================================
   SKILLS SECTION
   ========================================== */
#skills h3 {
    color: var(--primary-color);
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-size: 1.4rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

#skills h3::before {
    content: '▸';
    color: var(--accent-color);
}

#skills ul {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 1rem;
    list-style: none;
    margin-left: 0;
}

#skills li {
    background: var(--bg-secondary);
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--primary-color);
    transition: all var(--transition-fast);
    font-weight: 500;
}

#skills li:hover {
    background: var(--primary-light);
    color: white;
    transform: translateX(5px);
    border-left-color: var(--accent-color);
}

/* Highlights grid in About section */
.highlight-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}

.highlight-card {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    padding: 1rem 1.25rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.highlight-card i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.highlight-title {
    margin: 0;
    font-weight: 700;
    color: var(--text-dark);
}

.highlight-value {
    margin: 0;
    color: var(--text-medium);
}

[data-theme="dark"] .highlight-card {
    background: var(--bg-secondary);
    border-color: var(--border-color);
}

[data-theme="dark"] .highlight-card i {
    color: var(--primary-light);
}

/* ==========================================
   PROJECTS SECTION
   ========================================== */
.project-card {
    background: linear-gradient(145deg, #ffffff, #f8f9fa);
    border: 1px solid var(--border-color);
    padding: 2.5rem;
    margin: 2.5rem 0;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

.project-card:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.project-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.tag {
    display: inline-block;
    background: var(--primary-light);
    color: white;
    padding: 0.35rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
    transition: all var(--transition-fast);
}

.tag:hover {
    background: var(--primary-color);
    transform: scale(1.05);
}

[data-theme="dark"] .tag {
    background: var(--primary-dark);
}

[data-theme="dark"] .tag:hover {
    background: var(--primary-color);
}

.project-card h3 {
    margin-top: 0;
    margin-bottom: 0;
    color: var(--primary-color);
    font-size: 1.75rem;
}

.project-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin: 1rem 0 2rem;
}

.filter-btn {
    padding: 0.6rem 1rem;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-dark);
    cursor: pointer;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn:focus {
    background: var(--primary-light);
    color: white;
    border-color: var(--primary-color);
}

.filter-btn.active {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border-color: transparent;
    box-shadow: var(--shadow-sm);
}

[data-theme="dark"] .filter-btn {
    background: var(--bg-secondary);
    color: var(--text-dark);
    border-color: var(--border-color);
}

[data-theme="dark"] .filter-btn:hover,
[data-theme="dark"] .filter-btn:focus {
    background: var(--primary-color);
    color: white;
}

.project-card h3 a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.project-card h3 a:hover {
    color: var(--accent-color);
}

.project-card > a {
    display: block;
    margin: 1.5rem 0;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.project-card > a:hover {
    transform: scale(1.03);
    box-shadow: var(--shadow-lg);
}

.project-card img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform var(--transition-slow);
}

.project-card > a:hover img {
    transform: scale(1.05);
}

.project-card > p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-medium);
    margin: 1.5rem 0;
}

.project-card ul {
    list-style: none;
    margin-left: 0;
    margin-top: 1.5rem;
}

.project-card li {
    margin-bottom: 1rem;
    padding: 0.75rem 1rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--primary-color);
    transition: all var(--transition-fast);
}

.project-card li:hover {
    background: var(--bg-tertiary);
    transform: translateX(5px);
}

.project-card li strong {
    color: var(--primary-dark);
    font-weight: 600;
}

.project-card a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-fast);
    position: relative;
}

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

.project-card a:hover {
    color: var(--accent-color);
}

/* ==========================================
   CONTACT SECTION
   ========================================== */
.availability-badges {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin: 1.5rem 0 0.5rem;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.55rem 0.9rem;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.95rem;
    background: var(--bg-secondary);
    color: var(--text-dark);
    border: 1px solid var(--border-color);
}

.badge.open { color: #0f5132; background: #d1e7dd; border-color: #badbcc; }
.badge.learning { color: #664d03; background: #fff3cd; border-color: #ffecb5; }
.badge.remote { color: #055160; background: #cff4fc; border-color: #b6effb; }

[data-theme="dark"] .badge { background: var(--bg-tertiary); color: var(--text-dark); border-color: var(--border-color); }
[data-theme="dark"] .badge.open { color: #d2f4e8; }
[data-theme="dark"] .badge.learning { color: #ffe9a3; }
[data-theme="dark"] .badge.remote { color: #a8e9ff; }

#contact ul {
    list-style: none;
    margin-left: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 1.25rem;
}

#contact li {
    margin-bottom: 0;
}

    .project-filters {
        gap: 0.5rem;
    }

    .filter-btn {
        flex: 1 1 140px;
        text-align: center;
    }

    .highlight-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    }

#contact a {
    display: flex;
    align-items: center;
    padding: 1rem 1.5rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
}

#contact a:hover,
#contact a:focus {
    background: var(--primary-color);
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-dark);
}

#contact i {
    font-size: 1.5rem;
    margin-right: 1rem;
    min-width: 24px;
    text-align: center;
}

/* Updates Section removed */

/* Animation Section */
.animation-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 1.5rem;
}

.animation-card {
    background: linear-gradient(145deg, #ffffff, #f8f9fa);
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    overflow: hidden;
}

.animation-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.animation-card h3 {
    margin-top: 0;
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-size: 1.4rem;
}

.video-container,
.vfx-container {
    width: 100%;
    background: #000;
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: 1rem;
    box-shadow: var(--shadow-md);
}

.video-container video,
.vfx-container img {
    width: 100%;
    height: auto;
    display: block;
}

.animation-specs {
    margin: 0.75rem 0 0.5rem;
    font-weight: 700;
    color: var(--primary-color);
    font-size: 0.95rem;
}

.animation-description {
    margin: 0.5rem 0 0;
    color: var(--text-medium);
    font-size: 0.95rem;
    line-height: 1.6;
}

[data-theme="dark"] .animation-card {
    background: linear-gradient(145deg, var(--bg-secondary), var(--bg-primary));
    border-color: var(--border-color);
    color: var(--text-dark);
}

[data-theme="dark"] .animation-card:hover {
    box-shadow: var(--shadow-xl);
}

[data-theme="dark"] .animation-card h3 {
    color: var(--primary-light);
}

[data-theme="dark"] .animation-specs {
    color: var(--primary-light);
}

[data-theme="dark"] .animation-description {
    color: var(--text-medium);
}

/* Animation card expand functionality */
.animation-card {
    cursor: pointer;
    transition: all var(--transition-normal);
}

.animation-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

/* Animation Modal */
.animation-modal {
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    overflow: auto;
}

.animation-modal.hidden {
    display: none !important;
}

.animation-modal:not(.hidden) {
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn var(--transition-normal);
}

.animation-modal-content {
    background-color: var(--bg-primary);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    max-width: 800px;
    max-width: 90vw;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: slideUp var(--transition-normal);
}

.modal-close {
    position: absolute;
    right: 1rem;
    top: 1rem;
    font-size: 2rem;
    font-weight: bold;
    color: var(--text-medium);
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background-color: var(--primary-color);
    color: white;
}

.modal-title {
    margin-top: 0;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    font-size: 1.8rem;
}

.modal-body {
    color: var(--text-dark);
}

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

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

[data-theme="dark"] .modal-content {
    background-color: var(--bg-secondary);
    color: var(--text-light);
}

[data-theme="dark"] .modal-close {
    color: var(--text-light);
}

[data-theme="dark"] .modal-close:hover {
    background-color: var(--primary-light);
    color: var(--bg-primary);
}

[data-theme="dark"] .modal-title {
    color: var(--primary-light);
}

/* Resume & Contact helpers */
.resume-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
    margin: 1rem 0 0.5rem;
}

.resume-note {
    font-size: 0.9rem;
    color: var(--text-light);
}

.resume-btn.is-hidden {
    display: none;
}

.email-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.copy-email {
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    cursor: pointer;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.copy-email:hover,
.copy-email:focus {
    background: var(--primary-light);
    color: white;
    border-color: var(--primary-color);
}

.copy-status {
    min-height: 1em;
    font-size: 0.9rem;
    color: var(--text-light);
}

/* Contact form */
.contact-form {
    margin-top: 1.5rem;
    display: grid;
    gap: 1rem;
}

.form-row {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.form-row label {
    font-weight: 700;
    color: var(--text-dark);
}

.form-row input,
.form-row select,
.form-row textarea {
    padding: 0.75rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-dark);
    font-size: 1rem;
}

.form-row textarea {
    resize: vertical;
}

.form-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    align-items: center;
}

.form-status {
    font-size: 0.95rem;
    color: var(--text-light);
}

[data-theme="dark"] .contact-form input,
[data-theme="dark"] .contact-form select,
[data-theme="dark"] .contact-form textarea {
    background: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-dark);
}

/* Modal */
.modal {
    position: fixed;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.modal.is-open {
    display: flex;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
}

.modal-content {
    position: relative;
    background: var(--bg-primary);
    color: var(--text-dark);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    width: min(700px, 90vw);
    max-height: 90vh;
    overflow-y: auto;
    z-index: 1;
}

.modal-close {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    background: transparent;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-dark);
}

.modal-features {
    margin: 1rem 0;
    padding-left: 1.1rem;
    color: var(--text-medium);
}

.modal-links {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

[data-theme="dark"] .modal-content {
    background: var(--bg-secondary);
    color: var(--text-dark);
}

/* ==========================================
   CREDITS SECTION
   ========================================== */
#credits p {
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

#credits a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    border-bottom: 2px solid transparent;
    transition: all var(--transition-fast);
}

#credits a:hover {
    color: var(--accent-color);
    border-bottom-color: var(--accent-color);
}

/* ==========================================
   FOOTER
   ========================================== */
footer {
    background: linear-gradient(135deg, #2c3e50 0%, #1a252f 100%);
    color: white;
    text-align: center;
    padding: 2.5rem;
    margin-top: 4rem;
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.1);
}

footer p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
}

/* ==========================================
   UTILITY CLASSES
   ========================================== */
.text-center { text-align: center; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.is-hidden { display: none !important; }

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */
@media (max-width: 1024px) {
    main {
        padding: 2.5rem 1.5rem;
    }
    
    section {
        padding: 2.5rem;
    }
}

@media (max-width: 768px) {
    header {
        padding: 2rem 1rem;
    }
    
    .header-top {
        flex-direction: column;
        gap: 1rem;
    }
    
    header h1 {
        font-size: 1.75rem;
    }
    
    .theme-toggle {
        width: 45px;
        height: 45px;
        font-size: 1.25rem;
    }
    
    nav ul {
        flex-direction: column;
        gap: 0.75rem;
        padding: 0 1rem;
    }
    
    nav a {
        display: block;
        text-align: center;
        padding: 0.75rem 1rem;
    }
    
    main {
        padding: 1.5rem;
    }
    
    section {
        padding: 1.5rem;
        margin: 1.5rem 0;
    }
    
    .project-card {
        padding: 1.5rem;
        margin: 1.5rem 0;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    h2::after {
        width: 40px;
        height: 3px;
    }
    
    h3 {
        font-size: 1.25rem;
    }
    
    #skills ul {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
        gap: 0.75rem;
    }
    
    #skills li {
        padding: 0.65rem 1rem;
        font-size: 0.95rem;
    }
    
    #contact ul {
        grid-template-columns: 1fr;
    }
    
    #contact a {
        padding: 0.85rem 1.25rem;
        font-size: 1rem;
    }
    
    #contact i {
        font-size: 1.25rem;
    }
    
    p {
        font-size: 1rem;
    }

    .animation-grid {
        grid-template-columns: 1fr;
    }
    
    footer {
        padding: 1.5rem 1rem;
    }
}

@media (max-width: 480px) {
    header {
        padding: 1.5rem 0.75rem;
    }
    
    header h1 {
        font-size: 1.5rem;
    }
    
    .theme-toggle {
        width: 40px;
        height: 40px;
        font-size: 1.1rem;
    }
    
    nav ul {
        gap: 0.5rem;
        padding: 0 0.5rem;
    }
    
    nav a {
        font-size: 0.95rem;
        padding: 0.5rem 0.75rem;
    }
    
    main {
        padding: 1rem;
    }
    
    section {
        padding: 1.25rem;
        margin: 1rem 0;
    }
    
    .project-card {
        padding: 1.25rem;
        margin: 1.25rem 0;
    }
    
    h1 {
        font-size: 1.5rem;
    }
    
    h2 {
        font-size: 1.35rem;
    }
    
    h2::after {
        width: 35px;
        height: 2px;
    }
    
    h3 {
        font-size: 1.1rem;
    }
    
    #skills ul {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
    }
    
    #skills li {
        padding: 0.5rem 0.75rem;
        font-size: 0.85rem;
    }
    
    #contact a {
        padding: 0.75rem 1rem;
        font-size: 0.95rem;
    }
    
    #contact i {
        font-size: 1rem;
        margin-right: 0.75rem;
    }
    
    p {
        font-size: 0.95rem;
        line-height: 1.6;
    }
    
    ul {
        margin-left: 1.5rem;
    }

    .project-filters {
        flex-direction: column;
    }

    .filter-btn {
        width: 100%;
    }

    .highlight-grid {
        grid-template-columns: 1fr;
    }
    
    footer {
        padding: 1.25rem 0.75rem;
        font-size: 0.9rem;
    }
    
    .project-card > a {
        margin: 1rem 0;
    }
}

/* ==========================================
   ACCESSIBILITY - HIGH CONTRAST
   ========================================== */
@media (prefers-contrast: high) {
    a:focus,
    button:focus {
        outline: 4px solid;
        outline-offset: 2px;
    }
    
    .project-card,
    section {
        border: 2px solid var(--text-dark);
    }
}

/* ==========================================
   DARK THEME COMPREHENSIVE STYLES
   ========================================== */
[data-theme="dark"] p {
    color: var(--text-medium);
}

[data-theme="dark"] strong {
    color: var(--text-dark);
}

[data-theme="dark"] em {
    color: var(--primary-light);
}

[data-theme="dark"] a {
    color: var(--primary-color);
}

[data-theme="dark"] a:hover,
[data-theme="dark"] a:focus {
    color: var(--accent-color);
}

[data-theme="dark"] h2::after,
[data-theme="dark"] h3::before {
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

[data-theme="dark"] #skills li {
    background: var(--bg-secondary);
    border-left-color: var(--primary-color);
    color: var(--text-dark);
}

[data-theme="dark"] #skills li:hover {
    background: var(--bg-tertiary);
    color: var(--accent-color);
    border-left-color: var(--accent-color);
}

[data-theme="dark"] .project-card {
    background: linear-gradient(145deg, var(--bg-secondary), var(--bg-primary));
    border-color: var(--border-color);
    color: var(--text-dark);
}

[data-theme="dark"] .project-card::before {
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

[data-theme="dark"] .project-card h3 {
    color: var(--primary-color);
}

[data-theme="dark"] .project-card h3 a {
    color: var(--primary-color);
}

[data-theme="dark"] .project-card h3 a:hover {
    color: var(--accent-color);
}

[data-theme="dark"] .project-card > p {
    color: var(--text-medium);
}

[data-theme="dark"] .project-card li {
    background: var(--bg-tertiary);
    border-left-color: var(--primary-color);
    color: var(--text-dark);
}

[data-theme="dark"] .project-card li:hover {
    background: var(--bg-primary);
    transform: translateX(5px);
}

[data-theme="dark"] .project-card li strong {
    color: var(--primary-light);
}

[data-theme="dark"] #contact a {
    background: var(--bg-secondary);
    color: var(--text-dark);
    border-color: transparent;
}

[data-theme="dark"] #contact a:hover,
[data-theme="dark"] #contact a:focus {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-dark);
}

[data-theme="dark"] footer {
    background: linear-gradient(135deg, #1a1f2e 0%, #0f1419 100%);
    color: var(--text-dark);
}

[data-theme="dark"] footer p {
    color: rgba(232, 232, 232, 0.9);
}

/* ==========================================
   ACCESSIBILITY - REDUCED MOTION
   ========================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    header::before {
        animation: none;
    }
}