/* ===================================
   Trocador - Mouse Sensitivity Converter
   CSS Stylesheet
   =================================== */

/* CSS Custom Properties (Variables) */
:root {
    /* Colors */
    --color-primary: #6366f1;
    --color-primary-dark: #4f46e5;
    --color-primary-light: #818cf8;
    --color-secondary: #10b981;
    --color-secondary-dark: #059669;
    
    /* Neutrals */
    --color-white: #ffffff;
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;
    
    /* Semantic Colors */
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --color-info: #3b82f6;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-gray-800);
    background-color: var(--color-gray-50);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img, svg {
    display: block;
    max-width: 100%;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input, select {
    font-family: inherit;
    font-size: inherit;
}

/* ===================================
   Layout
   =================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}

@media (min-width: 640px) {
    .container {
        padding: 0 var(--spacing-6);
    }
}

/* ===================================
   Header
   =================================== */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-gray-200);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.logo-icon {
    width: 32px;
    height: 32px;
    color: var(--color-primary);
}

.logo-text {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-gray-900);
}

.nav {
    display: none;
    align-items: center;
    gap: var(--spacing-8);
}

@media (min-width: 768px) {
    .nav {
        display: flex;
    }
}

.nav-link {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-gray-600);
    transition: color var(--transition-fast);
}

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

.mobile-menu-btn {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    padding: 4px;
}

.mobile-menu-btn span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-gray-700);
    border-radius: var(--radius-full);
    transition: var(--transition-base);
}

@media (min-width: 768px) {
    .mobile-menu-btn {
        display: none;
    }
}

/* Mobile Navigation */
.mobile-nav {
    display: none;
    flex-direction: column;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
    padding: var(--spacing-4);
    z-index: 99;
    box-shadow: var(--shadow-lg);
}

.mobile-nav.active {
    display: flex;
}

.mobile-nav-link {
    padding: var(--spacing-3) var(--spacing-4);
    font-weight: 500;
    color: var(--color-gray-700);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.mobile-nav-link:hover {
    background: var(--color-gray-100);
    color: var(--color-primary);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    padding: var(--spacing-16) 0 var(--spacing-20);
    text-align: center;
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-2);
}

@media (min-width: 640px) {
    .hero-title {
        font-size: var(--font-size-5xl);
    }
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    font-weight: 500;
    opacity: 0.9;
    margin-bottom: var(--spacing-6);
}

.hero-description {
    max-width: 600px;
    margin: 0 auto var(--spacing-8);
    font-size: var(--font-size-lg);
    opacity: 0.9;
    line-height: 1.7;
}

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-6);
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.btn-primary {
    background: var(--color-white);
    color: var(--color-primary);
}

.btn-primary:hover {
    background: var(--color-gray-100);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--color-gray-100);
    color: var(--color-gray-700);
}

.btn-secondary:hover {
    background: var(--color-gray-200);
}

.btn-convert {
    width: 100%;
    padding: var(--spacing-4) var(--spacing-8);
    font-size: var(--font-size-lg);
    background: var(--color-primary);
    color: var(--color-white);
    margin-top: var(--spacing-6);
}

.btn-convert:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn-convert:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.btn-loader {
    display: flex;
    align-items: center;
}

.spinner {
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.btn-copy {
    padding: var(--spacing-2) var(--spacing-4);
    font-size: var(--font-size-sm);
}

.btn-copy .icon {
    width: 16px;
    height: 16px;
}

/* ===================================
   Converter Section
   =================================== */
.converter {
    padding: var(--spacing-16) 0;
    margin-top: -var(--spacing-10);
}

.converter-card {
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-8);
    box-shadow: var(--shadow-xl);
}

@media (min-width: 640px) {
    .converter-card {
        padding: var(--spacing-12);
    }
}

.section-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-2);
    text-align: center;
}

.section-description {
    font-size: var(--font-size-base);
    color: var(--color-gray-600);
    text-align: center;
    margin-bottom: var(--spacing-8);
}

/* ===================================
   Form Styles
   =================================== */
.converter-form {
    max-width: 800px;
    margin: 0 auto;
}

.form-row {
    display: grid;
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-6);
}

@media (min-width: 640px) {
    .form-row {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

.form-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-2);
}

.tooltip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-gray-500);
    background: var(--color-gray-200);
    border-radius: var(--radius-full);
    cursor: help;
    position: relative;
}

.tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    padding: var(--spacing-2) var(--spacing-3);
    font-size: var(--font-size-xs);
    font-weight: 400;
    color: var(--color-white);
    background: var(--color-gray-900);
    border-radius: var(--radius-md);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-fast);
    z-index: 10;
    max-width: 250px;
    white-space: normal;
    text-align: center;
}

.tooltip:hover::after {
    opacity: 1;
    visibility: visible;
}

.form-input,
.form-select {
    width: 100%;
    padding: var(--spacing-3) var(--spacing-4);
    font-size: var(--font-size-base);
    color: var(--color-gray-900);
    background: var(--color-white);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.form-input::placeholder {
    color: var(--color-gray-400);
}

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 20px;
    padding-right: 44px;
}

/* DPI Presets */
.dpi-presets {
    display: flex;
    gap: var(--spacing-2);
    margin-top: var(--spacing-2);
}

.dpi-preset {
    flex: 1;
    padding: var(--spacing-2);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-gray-600);
    background: var(--color-gray-100);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.dpi-preset:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

/* ===================================
   Results Section
   =================================== */
.results {
    margin-top: var(--spacing-10);
    padding-top: var(--spacing-10);
    border-top: 1px solid var(--color-gray-200);
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.results-header {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-6);
}

@media (min-width: 640px) {
    .results-header {
        flex-direction: row;
    }
}

.results-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-gray-900);
}

.results-grid {
    display: grid;
    gap: var(--spacing-4);
}

@media (min-width: 640px) {
    .results-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) {
    .results-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.result-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-6);
    background: var(--color-gray-50);
    border-radius: var(--radius-xl);
    text-align: center;
}

.result-card.result-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    grid-column: span 1;
}

@media (min-width: 640px) {
    .result-card.result-primary {
        grid-column: span 2;
    }
}

@media (min-width: 768px) {
    .result-card.result-primary {
        grid-column: span 1;
    }
}

.result-label {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-1);
}

.result-primary .result-label {
    color: rgba(255, 255, 255, 0.8);
}

.result-value {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-gray-900);
    line-height: 1.2;
}

.result-primary .result-value {
    color: var(--color-white);
}

.result-game,
.result-unit {
    font-size: var(--font-size-xs);
    color: var(--color-gray-400);
    margin-top: var(--spacing-1);
}

.result-primary .result-game {
    color: rgba(255, 255, 255, 0.7);
}

.results-note {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    margin-top: var(--spacing-6);
    padding: var(--spacing-4);
    background: var(--color-info);
    background: rgba(59, 130, 246, 0.1);
    border-radius: var(--radius-lg);
}

.results-note .icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    color: var(--color-info);
}

.results-note p {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

/* ===================================
   How It Works Section
   =================================== */
.how-it-works {
    padding: var(--spacing-16) 0;
    background: var(--color-white);
}

.steps-grid {
    display: grid;
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-12);
}

@media (min-width: 768px) {
    .steps-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.step-card {
    text-align: center;
    padding: var(--spacing-8);
    background: var(--color-gray-50);
    border-radius: var(--radius-xl);
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-white);
    background: var(--color-primary);
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-4);
}

.step-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-2);
}

.step-description {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

.info-card {
    padding: var(--spacing-8);
    background: var(--color-gray-50);
    border-radius: var(--radius-xl);
    border-left: 4px solid var(--color-primary);
}

.info-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-4);
}

.info-text {
    font-size: var(--font-size-base);
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-4);
}

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

.formula {
    padding: var(--spacing-4);
    background: var(--color-gray-800);
    border-radius: var(--radius-md);
    margin: var(--spacing-4) 0;
    overflow-x: auto;
}

.formula code {
    font-family: 'Monaco', 'Consolas', monospace;
    font-size: var(--font-size-sm);
    color: var(--color-secondary);
}

/* ===================================
   Supported Games Section
   =================================== */
.supported-games {
    padding: var(--spacing-16) 0;
    background: var(--color-gray-50);
}

.games-grid {
    display: grid;
    gap: var(--spacing-4);
    grid-template-columns: repeat(2, 1fr);
}

@media (min-width: 640px) {
    .games-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 768px) {
    .games-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.game-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-6);
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

.game-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.game-icon {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-2);
}

.game-name {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-gray-900);
    text-align: center;
}

.game-yaw {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    margin-top: var(--spacing-1);
}

/* ===================================
   FAQ Section
   =================================== */
.faq {
    padding: var(--spacing-16) 0;
    background: var(--color-white);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--color-gray-200);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--spacing-5) 0;
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-gray-900);
    text-align: left;
    cursor: pointer;
    list-style: none;
}

.faq-question::-webkit-details-marker {
    display: none;
}

.faq-question::after {
    content: '+';
    font-size: var(--font-size-xl);
    font-weight: 400;
    color: var(--color-gray-400);
    transition: var(--transition-fast);
}

.faq-item[open] .faq-question::after {
    content: '−';
    color: var(--color-primary);
}

.faq-answer {
    padding-bottom: var(--spacing-5);
    font-size: var(--font-size-base);
    color: var(--color-gray-600);
    line-height: 1.7;
}

/* ===================================
   About Section
   =================================== */
.about {
    padding: var(--spacing-16) 0;
    background: var(--color-gray-50);
}

.about-content {
    max-width: 800px;
    margin: 0 auto var(--spacing-8);
    text-align: center;
}

.about-content p {
    font-size: var(--font-size-base);
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-4);
    line-height: 1.7;
}

.disclaimer-card {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-6);
    background: var(--color-white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-gray-200);
}

.disclaimer-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-3);
}

.disclaimer-text {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    line-height: 1.7;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--color-gray-900);
    color: var(--color-gray-300);
    padding: var(--spacing-12) 0 var(--spacing-6);
}

.footer-content {
    display: grid;
    gap: var(--spacing-10);
    margin-bottom: var(--spacing-10);
}

@media (min-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr 2fr;
    }
}

.footer-brand {
    text-align: center;
}

@media (min-width: 768px) {
    .footer-brand {
        text-align: left;
    }
}

.footer .logo {
    justify-content: center;
    margin-bottom: var(--spacing-3);
}

@media (min-width: 768px) {
    .footer .logo {
        justify-content: flex-start;
    }
}

.footer .logo-icon {
    color: var(--color-primary-light);
}

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

.footer-tagline {
    font-size: var(--font-size-sm);
    color: var(--color-gray-400);
}

.footer-links {
    display: grid;
    gap: var(--spacing-8);
    grid-template-columns: repeat(3, 1fr);
}

.footer-column {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.footer-heading {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-1);
}

.footer-column a {
    font-size: var(--font-size-sm);
    color: var(--color-gray-400);
    transition: color var(--transition-fast);
}

.footer-column a:hover {
    color: var(--color-white);
}

.footer-bottom {
    padding-top: var(--spacing-6);
    border-top: 1px solid var(--color-gray-800);
    text-align: center;
}

.copyright {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-1);
}

.footer-note {
    font-size: var(--font-size-xs);
    color: var(--color-gray-600);
}

/* ===================================
   Toast Notification
   =================================== */
.toast {
    position: fixed;
    bottom: var(--spacing-6);
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-4) var(--spacing-6);
    background: var(--color-gray-900);
    color: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    z-index: 1000;
    opacity: 0;
    transition: transform var(--transition-slow), opacity var(--transition-slow);
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.toast .icon {
    width: 20px;
    height: 20px;
    color: var(--color-success);
}

.toast-message {
    font-size: var(--font-size-sm);
    font-weight: 500;
}

/* ===================================
   Legal Pages Styles
   =================================== */
.legal-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.legal-content {
    flex: 1;
    padding: var(--spacing-12) 0;
}

.legal-content h1 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-2);
}

.legal-content .last-updated {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-8);
}

.legal-content h2 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-gray-900);
    margin-top: var(--spacing-8);
    margin-bottom: var(--spacing-4);
}

.legal-content p,
.legal-content li {
    font-size: var(--font-size-base);
    color: var(--color-gray-600);
    line-height: 1.7;
    margin-bottom: var(--spacing-4);
}

.legal-content ul {
    padding-left: var(--spacing-6);
    margin-bottom: var(--spacing-4);
}

.legal-content li {
    margin-bottom: var(--spacing-2);
}

.legal-content a {
    color: var(--color-primary);
    text-decoration: underline;
}

.legal-content a:hover {
    color: var(--color-primary-dark);
}

/* ===================================
   Contact Form Styles
   =================================== */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

.contact-form .form-group {
    margin-bottom: var(--spacing-4);
}

.contact-form textarea {
    width: 100%;
    min-height: 150px;
    padding: var(--spacing-3) var(--spacing-4);
    font-family: inherit;
    font-size: var(--font-size-base);
    color: var(--color-gray-900);
    background: var(--color-white);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    resize: vertical;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.contact-form textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.contact-form .btn-primary {
    width: 100%;
    padding: var(--spacing-4);
    background: var(--color-primary);
    color: var(--color-white);
}

.contact-form .btn-primary:hover {
    background: var(--color-primary-dark);
}

/* ===================================
   Utility Classes
   =================================== */
.icon {
    display: inline-block;
    width: 24px;
    height: 24px;
}

[hidden] {
    display: none !important;
}

/* Focus Visible for Accessibility */
:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Reduce Motion for Accessibility */
@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;
    }
}