/* Google Font Import */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

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

:root {
    /* Light Mode - Paper Theme */
    --bg-primary: #F5F1E8;
    --bg-secondary: #EDE7DC;
    --bg-card: #FAF7F0;
    --text-primary: #2C2416;
    --text-secondary: #5C5445;
    --text-muted: #8B8474;
    --border-color: #D4CFC4;
    --shadow-color: rgba(92, 84, 69, 0.08);
    --shadow-color-hover: rgba(92, 84, 69, 0.15);
    --accent-primary: #8B7355;
    --accent-secondary: #A68968;

    /* Transition */
    --transition-speed: 0.3s;
}

[data-theme="dark"] {
    /* Dark Mode - Paper Theme */
    --bg-primary: #1C1814;
    --bg-secondary: #252118;
    --bg-card: #2D2820;
    --text-primary: #E8E4DB;
    --text-secondary: #C4BFB3;
    --text-muted: #938E82;
    --border-color: #3D3830;
    --shadow-color: rgba(0, 0, 0, 0.3);
    --shadow-color-hover: rgba(0, 0, 0, 0.5);
    --accent-primary: #B8936D;
    --accent-secondary: #9D7F5E;
}

html, body {
    height: 100%;
    overflow: hidden;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    position: relative;
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

/* Paper Texture Overlay */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.03;
    z-index: 1;
    pointer-events: none;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

/* Background Animation Container */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

/* Floating Shapes */
.floating-shape {
    position: absolute;
    opacity: 0.06;
    border-radius: 50%;
    animation: float linear infinite;
}

[data-theme="dark"] .floating-shape {
    opacity: 0.04;
}

@keyframes float {
    0% {
        transform: translateY(100vh) rotate(0deg);
    }
    100% {
        transform: translateY(-100vh) rotate(360deg);
    }
}

/* Dark Mode Toggle */
.dark-mode-toggle {
    position: fixed;
    top: 2rem;
    right: 2rem;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    cursor: pointer;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-speed);
    box-shadow: 0 2px 8px var(--shadow-color);
}

.dark-mode-toggle:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px var(--shadow-color-hover);
}

.dark-mode-toggle .sun-icon {
    display: block;
    color: var(--text-primary);
}

.dark-mode-toggle .moon-icon {
    display: none;
    color: var(--text-primary);
}

[data-theme="dark"] .dark-mode-toggle .sun-icon {
    display: none;
}

[data-theme="dark"] .dark-mode-toggle .moon-icon {
    display: block;
}

/* Main Card Container */
.main-card-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    z-index: 2;
}

.main-card {
    width: 100%;
    max-width: 900px;
    height: 85vh;
    max-height: 700px;
    background: var(--bg-card);
    border-radius: 24px;
    box-shadow:
        0 8px 32px var(--shadow-color),
        0 0 0 1px var(--border-color);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-speed);
}

.main-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.015;
    pointer-events: none;
    z-index: 0;
}


/* Card Content Area */
.card-content {
    flex: 1;
    position: relative;
    overflow: hidden;
}

/* Card Sections */
.card-section {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease;
    overflow-y: auto;
    overflow-x: hidden;
}

.card-section.active {
    opacity: 1;
    visibility: visible;
}

.section-inner {
    padding: 3rem;
    min-height: 100%;
    display: flex;
    flex-direction: column;
}

/* Home Section Specific */
.card-section[data-section="home"] .section-inner {
    justify-content: center;
    align-items: center;
    text-align: center;
}

.profile-placeholder {
    width: 100px;
    height: 100px;
    margin: 0 auto 1.5rem;
    color: var(--accent-primary);
    filter: drop-shadow(0 4px 12px var(--shadow-color));
}

.hero-title {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--accent-primary);
    margin-bottom: 1rem;
    font-weight: 500;
}

.hero-description {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto;
    line-height: 1.7;
}

/* Hero Action Buttons */
.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.btn-download,
.btn-contact {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 24px;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-speed);
    font-family: inherit;
    text-decoration: none;
}

.btn-download {
    background: var(--accent-primary);
    color: var(--bg-card);
    border: 1px solid var(--accent-primary);
}

.btn-download:hover {
    background: var(--accent-secondary);
    border-color: var(--accent-secondary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow-color-hover);
}

.btn-contact {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-contact:hover {
    background: var(--bg-secondary);
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

/* Social Links */
.social-links {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

.social-links a {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    transition: all var(--transition-speed);
}

.social-links a:hover {
    background: var(--accent-primary);
    color: var(--bg-card);
    border-color: var(--accent-primary);
    transform: translateY(-3px);
    box-shadow: 0 4px 12px var(--shadow-color-hover);
}

/* Featured Work */
.featured-work {
    margin-top: 2.5rem;
    width: 100%;
}

.featured-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 1rem;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.featured-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.featured-card {
    cursor: pointer;
    transition: all var(--transition-speed);
}

.featured-card:hover {
    transform: translateY(-4px);
}

.featured-image {
    width: 100%;
    aspect-ratio: 4/3;
    background: var(--bg-secondary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
    border: 1px solid var(--border-color);
    transition: all var(--transition-speed);
}

.featured-card:nth-child(2) .featured-image {
    background: var(--accent-primary);
    color: var(--bg-card);
}

.featured-card:nth-child(3) .featured-image {
    background: var(--accent-secondary);
    color: var(--bg-card);
}

.featured-card:hover .featured-image {
    transform: scale(1.05);
    box-shadow: 0 4px 12px var(--shadow-color-hover);
}

.featured-name {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-align: center;
    font-weight: 500;
}

/* Home Section Scrolling */
.home-section {
    overflow-y: auto;
}

/* Typography */
.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    letter-spacing: -0.01em;
    line-height: 1.2;
}

/* About Section */
.about-text {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
    line-height: 1.8;
}

.about-text:last-child {
    margin-bottom: 0;
}

/* Portfolio Section */
.filter-buttons {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.6rem 1.25rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all var(--transition-speed);
    font-family: inherit;
}

.filter-btn:hover {
    border-color: var(--accent-primary);
    color: var(--text-primary);
    transform: translateY(-1px);
}

.filter-btn.active {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: var(--bg-card);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.25rem;
}

.portfolio-card {
    background: var(--bg-secondary);
    border-radius: 10px;
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition-speed);
    border: 1px solid var(--border-color);
}

.portfolio-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px var(--shadow-color-hover);
    border-color: var(--accent-primary);
}

.portfolio-image-placeholder {
    width: 100%;
    aspect-ratio: 4/3;
    background: var(--bg-card);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.9rem;
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--border-color);
}

.portfolio-card:nth-child(2n) .portfolio-image-placeholder {
    background: var(--accent-primary);
    color: var(--bg-card);
}

.portfolio-card:nth-child(3n) .portfolio-image-placeholder {
    background: var(--accent-secondary);
    color: var(--bg-card);
}

/* Portfolio Image */
.portfolio-image {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    display: block;
    border-bottom: 1px solid var(--border-color);
    transition: transform var(--transition-speed);
}

.portfolio-card:hover .portfolio-image {
    transform: scale(1.05);
}

.portfolio-title {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
    padding: 1rem 1rem 0.4rem;
}

.portfolio-excerpt {
    font-size: 0.85rem;
    color: var(--text-secondary);
    padding: 0 1rem 1rem;
    line-height: 1.5;
}

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

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 2rem;
    margin-top: 1rem;
}

.skill-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    text-align: center;
}

.skill-icon {
    transition: all var(--transition-speed);
    display: flex;
    align-items: center;
    justify-content: center;
}

.skill-icon svg {
    border-radius: 8px;
    box-shadow: 0 2px 8px var(--shadow-color);
    transition: all var(--transition-speed);
}

.skill-item:hover .skill-icon svg {
    transform: scale(1.15);
    box-shadow: 0 4px 12px var(--shadow-color-hover);
}

.skill-item span {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Contact Section */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    align-items: start;
}

/* Contact Form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea {
    padding: 0.75rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    font-size: 0.95rem;
    font-family: inherit;
    color: var(--text-primary);
    transition: all var(--transition-speed);
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(139, 115, 85, 0.15);
}

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

.btn-submit {
    padding: 0.85rem 1.5rem;
    background: var(--accent-primary);
    color: var(--bg-card);
    border: none;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--transition-speed);
    margin-top: 0.5rem;
}

.btn-submit:hover:not(:disabled) {
    background: var(--accent-secondary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow-color-hover);
}

.btn-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.form-status {
    font-size: 0.9rem;
    margin-top: 0.5rem;
    min-height: 1.4em;
}

.form-status.success {
    color: #059669;
}

.form-status.error {
    color: #dc2626;
}

/* Contact Info */
.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    padding-top: 0.5rem;
}

.contact-item {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.contact-item strong {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.85rem;
}

.contact-item span,
.contact-item a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color var(--transition-speed);
}

.contact-item a:hover {
    color: var(--accent-primary);
}

/* Navigation Bar */
.card-nav {
    display: flex;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 0.5rem;
    gap: 0.5rem;
    z-index: 10;
    position: relative;
}

.nav-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
    padding: 0.75rem 0.5rem;
    background: transparent;
    border: none;
    border-radius: 12px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-speed);
    font-family: inherit;
}

.nav-btn svg {
    transition: all var(--transition-speed);
}

.nav-btn span {
    font-size: 0.75rem;
    font-weight: 500;
}

.nav-btn:hover {
    background: var(--bg-card);
    color: var(--text-primary);
}

.nav-btn.active {
    background: var(--accent-primary);
    color: var(--bg-card);
}

.nav-btn.active svg {
    transform: scale(1.1);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 3000;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    animation: fadeIn 0.3s ease;
}

.modal-content {
    position: relative;
    background: var(--bg-card);
    border-radius: 20px;
    max-width: 700px;
    width: 100%;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px var(--shadow-color-hover);
    animation: slideUp 0.3s ease;
    z-index: 1;
}

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

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

.modal-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-speed);
    z-index: 2;
}

.modal-close:hover {
    background: var(--accent-primary);
    color: var(--bg-card);
    transform: rotate(90deg);
}

.modal-body {
    padding: 2.5rem;
}

.modal-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    padding-right: 2rem;
    letter-spacing: -0.01em;
    line-height: 1.2;
}

.modal-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    align-items: center;
}

.modal-category {
    display: inline-block;
    padding: 0.4rem 0.9rem;
    background: var(--accent-primary);
    color: var(--bg-card);
    border-radius: 18px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.modal-year,
.modal-role {
    display: inline-block;
    padding: 0.4rem 0.9rem;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border-radius: 18px;
    font-size: 0.75rem;
    font-weight: 500;
    border: 1px solid var(--border-color);
}

.modal-images {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.modal-image-placeholder {
    width: 100%;
    aspect-ratio: 16/10;
    background: var(--bg-secondary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.9rem;
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

/* Modal Image Containers */
.modal-image-container {
    margin-top: 1rem;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.modal-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

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

.modal-images-grid .modal-image {
    aspect-ratio: 4/3;
    object-fit: cover;
}

.modal-section {
    margin-bottom: 2rem;
}

.modal-section:last-child {
    margin-bottom: 0;
}

.modal-section h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.modal-section p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.modal-tools {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.tool-tag {
    padding: 0.45rem 0.9rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    font-size: 0.85rem;
    color: var(--text-primary);
    font-weight: 500;
}

/* Keyboard Shortcuts Overlay */
.shortcuts-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    z-index: 4000;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    animation: fadeIn 0.2s ease;
}

.shortcuts-overlay.active {
    display: flex;
}

.shortcuts-content {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 2.5rem;
    max-width: 500px;
    width: 100%;
    position: relative;
    box-shadow: 0 20px 60px var(--shadow-color-hover);
    animation: slideUp 0.3s ease;
}

.shortcuts-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    text-align: center;
    letter-spacing: -0.01em;
}

.shortcuts-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-speed);
}

.shortcuts-close:hover {
    background: var(--accent-primary);
    color: var(--bg-card);
    transform: rotate(90deg);
}

.shortcuts-grid {
    display: grid;
    gap: 1rem;
}

.shortcut-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.shortcut-item kbd {
    min-width: 32px;
    height: 32px;
    padding: 0 0.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: monospace;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    box-shadow: 0 2px 0 var(--border-color);
}

.shortcut-item span {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Custom Scrollbar */
.card-section::-webkit-scrollbar,
.modal-content::-webkit-scrollbar {
    width: 8px;
}

.card-section::-webkit-scrollbar-track,
.modal-content::-webkit-scrollbar-track {
    background: transparent;
}

.card-section::-webkit-scrollbar-thumb,
.modal-content::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

.card-section::-webkit-scrollbar-thumb:hover,
.modal-content::-webkit-scrollbar-thumb:hover {
    background: var(--accent-primary);
}

/* Responsive Design */
@media (max-width: 768px) {
    .main-card-container {
        padding: 1rem;
    }

    .main-card {
        height: 90vh;
        border-radius: 20px;
    }

    .section-inner {
        padding: 2rem 1.5rem;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-description {
        font-size: 0.95rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

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

    .skills-grid {
        grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
        gap: 1.5rem;
    }

    .filter-buttons {
        gap: 0.5rem;
    }

    .filter-btn {
        padding: 0.5rem 1rem;
        font-size: 0.8rem;
    }

    .dark-mode-toggle {
        top: 1.5rem;
        right: 1.5rem;
        width: 40px;
        height: 40px;
    }

    .nav-btn span {
        font-size: 0.7rem;
    }

    .contact-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .contact-info {
        order: -1;
        flex-direction: row;
        flex-wrap: wrap;
        gap: 1rem;
    }

    .contact-item {
        flex: 1;
        min-width: 140px;
    }

    .featured-grid {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    .hero-actions {
        flex-direction: column;
        gap: 0.75rem;
    }

    .btn-download,
    .btn-contact {
        width: 100%;
        justify-content: center;
    }

    .social-links {
        gap: 0.75rem;
        margin-top: 1.5rem;
    }

    .social-links a {
        width: 40px;
        height: 40px;
    }

    .shortcuts-content {
        padding: 2rem 1.5rem;
    }

    .modal-content {
        max-height: 80vh;
    }

    .modal-body {
        padding: 2rem 1.5rem;
    }

    .modal-title {
        font-size: 1.5rem;
    }

    .modal-images {
        grid-template-columns: 1fr;
    }

    .modal-images-grid {
        grid-template-columns: 1fr;
    }

    .modal-meta {
        gap: 0.5rem;
    }
}

@media (max-width: 480px) {
    .main-card-container {
        padding: 0.75rem;
    }

    .hero-title {
        font-size: 1.9rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .section-inner {
        padding: 1.5rem 1.25rem;
    }

    .modal {
        padding: 1rem;
    }

    .card-nav {
        padding: 0.4rem;
        gap: 0.3rem;
    }

    .nav-btn {
        padding: 0.6rem 0.3rem;
    }

    .nav-btn svg {
        width: 18px;
        height: 18px;
    }
}

@media (min-width: 1400px) {
    .main-card {
        max-width: 1000px;
        max-height: 750px;
    }
}