/* ========================================
   DESIGN TOKENS & CSS VARIABLES
   ======================================== */

:root {
    /* Colors - Dark Theme */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a26;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b8;
    --text-tertiary: #6b6b85;

    /* Accent Colors */
    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
    --accent-glow: rgba(99, 102, 241, 0.3);

    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;

    /* Typography */
    --font-primary: 'Inter', sans-serif;
    --font-display: 'Outfit', sans-serif;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
}

/* Light Theme */
[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #e9ecef;
    --text-primary: #1a1a26;
    --text-secondary: #4a4a5e;
    --text-tertiary: #6b6b85;

    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(0, 0, 0, 0.1);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

/* ========================================
   RESET & BASE STYLES
   ======================================== */

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

html {
    scroll-behavior: smooth;
}

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

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

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

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    transition: all var(--transition-base);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    cursor: pointer;
}

.logo-icon {
    font-size: 2rem;
    animation: glow-pulse 2s ease-in-out infinite;
}

.logo-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: var(--space-lg);
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    padding: var(--space-xs) 0;
    transition: color var(--transition-fast);
}

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

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}

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

/* Theme Toggle */
.theme-toggle {
    cursor: pointer;
    padding: var(--space-xs);
}

.toggle-track {
    width: 60px;
    height: 30px;
    background: var(--glass-bg);
    border: 2px solid var(--glass-border);
    border-radius: var(--radius-full);
    position: relative;
    transition: all var(--transition-base);
}

.toggle-thumb {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 22px;
    height: 22px;
    background: var(--accent-gradient);
    border-radius: 50%;
    transition: transform var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
}

.toggle-thumb .icon {
    font-size: 0.75rem;
    position: absolute;
}

.toggle-thumb .sun {
    opacity: 0;
}

.toggle-thumb .moon {
    opacity: 1;
}

[data-theme="light"] .toggle-thumb {
    transform: translateX(30px);
}

[data-theme="light"] .toggle-thumb .sun {
    opacity: 1;
}

[data-theme="light"] .toggle-thumb .moon {
    opacity: 0;
}

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

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 70px;
    overflow: hidden;
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 10;
    animation: fade-in-up 1s ease-out;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--space-md);
}

.gradient-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient-shift 3s ease infinite;
    background-size: 200% 200%;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Search Bar */
.search-container {
    position: relative;
    max-width: 500px;
    margin: 0 auto;
    animation: fade-in-up 1s ease-out 0.2s backwards;
}

.search-input {
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    padding-right: 50px;
    background: var(--glass-bg);
    border: 2px solid var(--glass-border);
    border-radius: var(--radius-full);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: var(--font-primary);
    backdrop-filter: blur(20px);
    transition: all var(--transition-base);
}

.search-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 4px var(--accent-glow);
}

.search-input::placeholder {
    color: var(--text-tertiary);
}

.search-icon {
    position: absolute;
    right: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.25rem;
    pointer-events: none;
}

/* Animated Background */
.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, #6366f1 0%, transparent 70%);
    top: -200px;
    left: -200px;
    animation-delay: 0s;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, #8b5cf6 0%, transparent 70%);
    top: 50%;
    right: -250px;
    animation-delay: 5s;
}

.orb-3 {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, #ec4899 0%, transparent 70%);
    bottom: -175px;
    left: 50%;
    animation-delay: 10s;
}

/* ========================================
   TOOLS SECTION
   ======================================== */

.tools-section {
    padding: var(--space-2xl) 0;
    position: relative;
}

.section-title {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--space-xl);
}

.tool-category {
    margin-bottom: var(--space-2xl);
}

.category-title {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.category-icon {
    font-size: 2rem;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-lg);
}

/* Tool Card */
.tool-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    backdrop-filter: blur(20px);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.tool-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-primary);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.2);
}

.tool-card:hover::before {
    transform: scaleX(1);
}

.tool-icon {
    font-size: 3rem;
    margin-bottom: var(--space-sm);
    display: block;
}

.tool-name {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.tool-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* ========================================
   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(--space-md);
}

.modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    animation: fade-in var(--transition-base);
}

.modal-content {
    position: relative;
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    max-width: 700px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    padding: var(--space-xl);
    animation: scale-in var(--transition-base);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
}

.modal-close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    width: 40px;
    height: 40px;
    border: none;
    background: var(--glass-bg);
    color: var(--text-primary);
    font-size: 1.5rem;
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.modal-header {
    margin-bottom: var(--space-lg);
}

.modal-title {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--space-xs);
}

.modal-subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* Upload Zone */
.upload-zone {
    border: 2px dashed var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    background: var(--glass-bg);
}

.upload-zone:hover,
.upload-zone.drag-over {
    border-color: var(--accent-primary);
    background: rgba(99, 102, 241, 0.05);
}

.file-input {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.upload-icon {
    font-size: 4rem;
    margin-bottom: var(--space-sm);
    animation: bounce 2s ease-in-out infinite;
}

.upload-text {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.upload-subtext {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* File Preview */
.file-preview {
    margin-top: var(--space-lg);
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-md);
}

.preview-header h4 {
    font-size: 1.25rem;
    font-weight: 600;
}

.btn-clear {
    background: none;
    border: none;
    color: var(--accent-primary);
    cursor: pointer;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.btn-clear:hover {
    color: var(--accent-secondary);
}

.preview-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.preview-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
}

.preview-thumbnail {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-sm);
    object-fit: cover;
    background: var(--bg-tertiary);
}

.preview-info {
    flex: 1;
}

.preview-name {
    font-weight: 600;
    margin-bottom: 4px;
    word-break: break-all;
}

.preview-meta {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* Conversion Options */
.conversion-options {
    margin-top: var(--space-lg);
    padding: var(--space-lg);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
}

.option-group {
    margin-bottom: var(--space-md);
}

.option-group:last-child {
    margin-bottom: 0;
}

.option-label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.option-input,
.option-select {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.option-input:focus,
.option-select:focus {
    outline: none;
    border-color: var(--accent-primary);
}

/* Progress Bar */
.progress-container {
    margin-top: var(--space-lg);
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--space-sm);
}

.progress-fill {
    height: 100%;
    background: var(--accent-gradient);
    border-radius: var(--radius-full);
    transition: width var(--transition-base);
    animation: shimmer 2s ease-in-out infinite;
    background-size: 200% 100%;
}

.progress-text {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Convert Button */
.btn-convert {
    width: 100%;
    margin-top: var(--space-lg);
    padding: var(--space-md) var(--space-xl);
    background: var(--accent-gradient);
    border: none;
    border-radius: var(--radius-md);
    color: white;
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-base);
}

.btn-convert:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px var(--accent-glow);
}

.btn-convert:active {
    transform: translateY(0);
}

.btn-text {
    position: relative;
    z-index: 1;
}

/* Download Section */
.download-section {
    margin-top: var(--space-lg);
    text-align: center;
    padding: var(--space-xl);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
}

.success-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-md);
    background: var(--accent-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: white;
    animation: scale-in var(--transition-base);
}

.success-text {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
}

.btn-download {
    padding: var(--space-md) var(--space-xl);
    background: var(--accent-gradient);
    border: none;
    border-radius: var(--radius-md);
    color: white;
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-download:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px var(--accent-glow);
}

/* ========================================
   TOAST NOTIFICATIONS
   ======================================== */

.toast-container {
    position: fixed;
    top: 90px;
    right: var(--space-md);
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.toast {
    min-width: 300px;
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    box-shadow: var(--glass-shadow);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    animation: slide-in-right var(--transition-base);
}

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

.toast-message {
    flex: 1;
    font-size: 0.95rem;
}

.toast.success {
    border-left: 4px solid #10b981;
}

.toast.error {
    border-left: 4px solid #ef4444;
}

.toast.info {
    border-left: 4px solid #3b82f6;
}

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

.about-section {
    padding: var(--space-2xl) 0;
    background: var(--bg-primary);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    backdrop-filter: blur(20px);
    box-shadow: var(--glass-shadow);
}

.about-header {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--glass-border);
}

.profile-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 10px 30px var(--accent-glow);
}

.avatar-text {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    font-family: var(--font-display);
}

.profile-info {
    flex: 1;
}

.profile-name {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--space-xs);
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.profile-title {
    color: var(--text-secondary);
    font-size: 1.125rem;
    font-weight: 500;
}

.about-body {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.about-text {
    color: var(--text-secondary);
    font-size: 1.0625rem;
    line-height: 1.8;
}

.skills-section,
.features-highlight,
.connect-section,
.mission-statement {
    padding: var(--space-lg);
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
}

.skills-title,
.features-title,
.connect-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.skills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.skill-tag {
    padding: var(--space-xs) var(--space-md);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.skill-tag:hover {
    background: var(--accent-gradient);
    color: white;
    border-color: transparent;
    transform: translateY(-2px);
}

.features-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.features-list li {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
    padding-left: var(--space-sm);
}

.features-list strong {
    color: var(--text-primary);
}

.connect-text {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

.social-links {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.social-link {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-lg);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: all var(--transition-base);
}

.social-link:hover {
    background: var(--accent-gradient);
    color: white;
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px var(--accent-glow);
}

.social-icon {
    font-size: 1.25rem;
}

.social-label {
    font-size: 0.9375rem;
}

.mission-statement {
    text-align: center;
}

.mission-quote {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    font-style: italic;
    color: var(--text-primary);
    line-height: 1.6;
    margin-bottom: var(--space-md);
    position: relative;
    padding: 0 var(--space-lg);
}

.mission-quote::before,
.mission-quote::after {
    content: '"';
    color: var(--accent-primary);
    font-size: 3rem;
    line-height: 0;
}

.mission-author {
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 500;
}

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

.footer {
    padding: var(--space-xl) 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--glass-border);
    text-align: center;
}

.footer-text {
    color: var(--text-secondary);
    margin-bottom: var(--space-xs);
}

.footer-copyright {
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

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

.hidden {
    display: none !important;
}

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

@keyframes fade-in {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

@keyframes scale-in {
    from {
        opacity: 0;
        transform: scale(0.9);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes slide-in-right {
    from {
        opacity: 0;
        transform: translateX(100px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0);
    }

    33% {
        transform: translate(30px, -30px);
    }

    66% {
        transform: translate(-20px, 20px);
    }
}

@keyframes bounce {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

@keyframes glow-pulse {

    0%,
    100% {
        filter: drop-shadow(0 0 5px var(--accent-primary));
    }

    50% {
        filter: drop-shadow(0 0 15px var(--accent-primary));
    }
}

@keyframes gradient-shift {

    0%,
    100% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }

    100% {
        background-position: 200% 0;
    }
}

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

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero-title {
        font-size: 2.5rem;
    }

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

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

    .modal-content {
        padding: var(--space-lg);
    }

    .toast-container {
        right: var(--space-sm);
        left: var(--space-sm);
    }

    .toast {
        min-width: auto;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-sm);
    }

    .hero {
        min-height: 80vh;
    }

    .section-title {
        font-size: 2rem;
    }

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