/* ================================================
   EvidenciaLegal - Sistema de Preservação Forense Digital
   CSS Principal
   ================================================ */

/* CSS Variables */
:root {
    /* Colors */
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-primary-light: #3b82f6;
    --color-secondary: #0f172a;
    --color-accent: #06b6d4;

    /* Neutrals */
    --color-white: #ffffff;
    --color-gray-50: #f8fafc;
    --color-gray-100: #f1f5f9;
    --color-gray-200: #e2e8f0;
    --color-gray-300: #cbd5e1;
    --color-gray-400: #94a3b8;
    --color-gray-500: #64748b;
    --color-gray-600: #475569;
    --color-gray-700: #334155;
    --color-gray-800: #1e293b;
    --color-gray-900: #0f172a;

    /* Status Colors */
    --color-success: #10b981;
    --color-success-light: #d1fae5;
    --color-error: #ef4444;
    --color-error-light: #fee2e2;
    --color-warning: #f59e0b;
    --color-warning-light: #fef3c7;

    /* 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;
    --font-size-6xl: 3.75rem;

    /* 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;
    --spacing-24: 6rem;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-3xl: 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);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;

    /* Z-index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal: 400;
    --z-tooltip: 500;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-gray-700);
    background-color: var(--color-white);
}

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

input, button, textarea, select {
    font: inherit;
}

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

ul, ol {
    list-style: none;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-6);
}

/* ================================================
   Typography
   ================================================ */
h1, h2, h3, h4, h5, h6 {
    color: var(--color-gray-900);
    font-weight: 700;
    line-height: 1.2;
}

.text-gradient {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ================================================
   Buttons
   ================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-5);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: var(--radius-lg);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

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

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

.btn-outline {
    background: transparent;
    color: var(--color-gray-700);
    border-color: var(--color-gray-300);
}

.btn-outline:hover {
    background: var(--color-gray-50);
    border-color: var(--color-gray-400);
}

.btn-ghost {
    background: transparent;
    color: var(--color-gray-600);
}

.btn-ghost:hover {
    background: var(--color-gray-100);
    color: var(--color-gray-900);
}

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

.btn-white:hover {
    background: var(--color-gray-100);
}

.btn-lg {
    padding: var(--spacing-4) var(--spacing-8);
    font-size: var(--font-size-base);
}

.btn-block {
    width: 100%;
}

/* ================================================
   Badge
   ================================================ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-1) var(--spacing-3);
    font-size: var(--font-size-xs);
    font-weight: 500;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-full);
}

.section-badge {
    display: inline-block;
    padding: var(--spacing-1) var(--spacing-4);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-primary);
    background: rgba(37, 99, 235, 0.1);
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-4);
}

/* ================================================
   Header & Navigation
   ================================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-gray-200);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-gray-900);
}

.logo-icon {
    display: flex;
    color: var(--color-primary);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-8);
}

.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);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--spacing-2);
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-gray-700);
    transition: all var(--transition-fast);
}

/* Mobile Navigation */
@media (max-width: 968px) {
    .nav-menu, .nav-actions {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-menu.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--color-white);
        padding: var(--spacing-6);
        border-bottom: 1px solid var(--color-gray-200);
        gap: var(--spacing-4);
    }

    .nav-actions.active {
        display: flex;
        flex-direction: column;
        padding: var(--spacing-4) var(--spacing-6);
        gap: var(--spacing-3);
    }
}

/* ================================================
   Hero Section
   ================================================ */
.hero {
    position: relative;
    padding: calc(72px + var(--spacing-20)) 0 var(--spacing-20);
    overflow: hidden;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
    align-items: center;
}

.hero-badge {
    margin-bottom: var(--spacing-6);
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-6);
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-8);
    max-width: 540px;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-12);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-10);
}

.stat {
    text-align: left;
}

.stat-value {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-gray-900);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

/* Hero Validate Link */
.hero-validate {
    margin-top: var(--spacing-8);
    padding-top: var(--spacing-6);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.validate-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-5);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: all var(--transition-base);
}

.validate-link:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
    color: #fff;
    transform: translateY(-2px);
}

.validate-link svg {
    flex-shrink: 0;
}

/* Browser Mockup */
.hero-visual {
    position: relative;
}

.browser-mockup {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    overflow: hidden;
    border: 1px solid var(--color-gray-200);
}

.browser-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    padding: var(--spacing-3) var(--spacing-4);
    background: var(--color-gray-50);
    border-bottom: 1px solid var(--color-gray-200);
}

.browser-dots {
    display: flex;
    gap: var(--spacing-2);
}

.browser-dots span {
    width: 12px;
    height: 12px;
    border-radius: var(--radius-full);
    background: var(--color-gray-300);
}

.browser-dots span:first-child { background: #ef4444; }
.browser-dots span:nth-child(2) { background: #f59e0b; }
.browser-dots span:last-child { background: #10b981; }

.browser-url {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    flex: 1;
    padding: var(--spacing-2) var(--spacing-3);
    background: var(--color-white);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

.browser-content {
    padding: var(--spacing-8);
    min-height: 300px;
    background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-white) 100%);
}

.capture-demo {
    text-align: center;
}

.capture-step {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3) var(--spacing-6);
    background: var(--color-white);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-6);
}

.step-icon {
    color: var(--color-primary);
    animation: spin 2s linear infinite;
}

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

.capture-progress {
    margin-bottom: var(--spacing-6);
}

.progress-bar {
    height: 8px;
    background: var(--color-gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    width: 65%;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
    border-radius: var(--radius-full);
    animation: progress 2s ease-in-out infinite;
}

@keyframes progress {
    0% { width: 0%; }
    50% { width: 65%; }
    100% { width: 100%; }
}

.capture-info {
    display: flex;
    gap: var(--spacing-6);
    justify-content: center;
}

.info-item {
    text-align: left;
}

.info-label {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-1);
}

.info-value {
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
    background: var(--color-gray-100);
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--radius-sm);
}

/* Hero Background */
.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
    overflow: hidden;
}

.hero-gradient {
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 150%;
    background: radial-gradient(ellipse at center, rgba(37, 99, 235, 0.08) 0%, transparent 70%);
}

.hero-grid {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(rgba(37, 99, 235, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(37, 99, 235, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
}

/* Hero Responsive */
@media (max-width: 968px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-title {
        font-size: var(--font-size-4xl);
    }

    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-actions {
        justify-content: center;
        flex-wrap: wrap;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-visual {
        display: none;
    }
}

/* ================================================
   Trust Bar
   ================================================ */
.trust-bar {
    padding: var(--spacing-8) 0;
    background: var(--color-gray-50);
    border-top: 1px solid var(--color-gray-200);
    border-bottom: 1px solid var(--color-gray-200);
}

.trust-bar .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-6);
}

.trust-text {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.trust-logos {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-8);
    flex-wrap: wrap;
}

.trust-item {
    padding: var(--spacing-2) var(--spacing-4);
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-gray-600);
}

/* ================================================
   Sections
   ================================================ */
.section {
    padding: var(--spacing-24) 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-16);
}

.section-title {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-4);
}

.section-description {
    font-size: var(--font-size-lg);
    color: var(--color-gray-600);
}

/* ================================================
   Problem / Comparison Section
   ================================================ */
.problem-section {
    background: var(--color-gray-50);
}

.comparison-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-6);
}

.comparison-card {
    position: relative;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-8);
    border: 2px solid var(--color-gray-200);
    transition: all var(--transition-base);
}

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

.comparison-bad {
    border-color: var(--color-error-light);
}

.comparison-bad .comparison-icon {
    color: var(--color-error);
}

.comparison-bad .comparison-list svg {
    color: var(--color-error);
}

.comparison-good {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-xl);
}

.comparison-good .comparison-icon {
    color: var(--color-primary);
}

.comparison-good .comparison-list svg {
    color: var(--color-success);
}

.comparison-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--spacing-1) var(--spacing-4);
    background: var(--color-primary);
    color: var(--color-white);
    font-size: var(--font-size-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
}

.comparison-expensive {
    border-color: var(--color-warning-light);
}

.comparison-expensive .comparison-icon {
    color: var(--color-warning);
}

.comparison-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-6);
}

.comparison-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-gray-50);
    border-radius: var(--radius-lg);
}

.comparison-header h3 {
    font-size: var(--font-size-xl);
}

.comparison-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-6);
}

.comparison-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

.comparison-price {
    padding-top: var(--spacing-6);
    border-top: 1px solid var(--color-gray-200);
}

.comparison-price .price-value {
    display: block;
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-gray-900);
}

.comparison-price .price-label {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

@media (max-width: 968px) {
    .comparison-grid {
        grid-template-columns: 1fr;
    }

    .comparison-good {
        order: -1;
    }
}

/* ================================================
   How it Works / Steps
   ================================================ */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-8);
}

.step-card {
    position: relative;
    text-align: center;
    padding: var(--spacing-8);
}

.step-number {
    font-size: var(--font-size-6xl);
    font-weight: 800;
    color: var(--color-gray-100);
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    z-index: 0;
}

.step-icon {
    position: relative;
    z-index: 1;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-6);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    border-radius: var(--radius-2xl);
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.3);
}

.step-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-3);
}

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

@media (max-width: 768px) {
    .steps-grid {
        grid-template-columns: 1fr;
    }
}

/* ================================================
   Features Grid
   ================================================ */
.features-section {
    background: var(--color-gray-50);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-6);
}

.feature-card {
    background: var(--color-white);
    padding: var(--spacing-6);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-gray-200);
    transition: all var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(37, 99, 235, 0.1);
    color: var(--color-primary);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-4);
}

.feature-card h3 {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-2);
}

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

@media (max-width: 968px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
}

/* ================================================
   Pricing Section
   ================================================ */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-6);
    align-items: start;
}

.pricing-card {
    position: relative;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-8);
    border: 2px solid var(--color-gray-200);
    transition: all var(--transition-base);
}

.pricing-card:hover {
    border-color: var(--color-gray-300);
}

.pricing-featured {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-xl);
    transform: scale(1.05);
}

.pricing-featured:hover {
    border-color: var(--color-primary);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--spacing-1) var(--spacing-4);
    background: var(--color-primary);
    color: var(--color-white);
    font-size: var(--font-size-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
}

.pricing-header {
    margin-bottom: var(--spacing-6);
}

.pricing-name {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-1);
}

.pricing-description {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

.pricing-price {
    margin-bottom: var(--spacing-6);
}

.price-currency {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-gray-600);
    vertical-align: top;
}

.price-value {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    color: var(--color-gray-900);
    line-height: 1;
}

.price-period {
    font-size: var(--font-size-base);
    color: var(--color-gray-500);
}

.pricing-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-8);
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

.pricing-features svg {
    color: var(--color-success);
    flex-shrink: 0;
}

@media (max-width: 968px) {
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .pricing-featured {
        transform: none;
        order: -1;
    }
}

/* ================================================
   FAQ Section
   ================================================ */
.faq-grid {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.faq-item {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--spacing-6);
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-gray-900);
    transition: all var(--transition-fast);
}

.faq-question:hover {
    background: var(--color-gray-50);
}

.faq-question svg {
    flex-shrink: 0;
    color: var(--color-gray-400);
    transition: transform var(--transition-fast);
}

.faq-question[aria-expanded="true"] svg {
    transform: rotate(180deg);
}

.faq-answer {
    display: none;
    padding: 0 var(--spacing-6) var(--spacing-6);
}

.faq-answer p {
    color: var(--color-gray-600);
    line-height: 1.7;
}

.faq-item.active .faq-answer {
    display: block;
}

/* ================================================
   CTA Section
   ================================================ */
.cta-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
}

.cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta-title {
    font-size: var(--font-size-4xl);
    color: var(--color-white);
    margin-bottom: var(--spacing-4);
}

.cta-description {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    margin-bottom: var(--spacing-8);
}

/* ================================================
   Footer
   ================================================ */
.footer {
    background: var(--color-gray-900);
    color: var(--color-gray-400);
    padding: var(--spacing-16) 0 var(--spacing-8);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-12);
    margin-bottom: var(--spacing-12);
}

.footer-brand .logo {
    margin-bottom: var(--spacing-4);
    color: var(--color-white);
}

.footer-description {
    font-size: var(--font-size-sm);
    max-width: 280px;
}

.footer-links h4 {
    color: var(--color-white);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-4);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

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

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

.footer-bottom {
    padding-top: var(--spacing-8);
    border-top: 1px solid var(--color-gray-800);
    display: flex;
    justify-content: space-between;
    font-size: var(--font-size-sm);
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-8);
    }

    .footer-brand {
        grid-column: span 2;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-2);
        text-align: center;
    }
}

/* ================================================
   Form Elements
   ================================================ */
.form-group {
    margin-bottom: var(--spacing-5);
}

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-2);
}

.form-input {
    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: 1px solid var(--color-gray-300);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

.form-input.error {
    border-color: var(--color-error);
}

.form-error {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-error);
    margin-top: var(--spacing-2);
}

.form-hint {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    margin-top: var(--spacing-2);
}

/* Checkbox & Radio */
.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    cursor: pointer;
}

.form-checkbox input {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    accent-color: var(--color-primary);
}

.form-checkbox span {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

/* ================================================
   Cards
   ================================================ */
.card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-gray-200);
    overflow: hidden;
}

.card-header {
    padding: var(--spacing-6);
    border-bottom: 1px solid var(--color-gray-200);
}

.card-body {
    padding: var(--spacing-6);
}

.card-footer {
    padding: var(--spacing-6);
    border-top: 1px solid var(--color-gray-200);
    background: var(--color-gray-50);
}

/* ================================================
   Alerts
   ================================================ */
.alert {
    padding: var(--spacing-4) var(--spacing-5);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
}

.alert-success {
    background: var(--color-success-light);
    color: #065f46;
}

.alert-error {
    background: var(--color-error-light);
    color: #991b1b;
}

.alert-warning {
    background: var(--color-warning-light);
    color: #92400e;
}

.alert-info {
    background: rgba(37, 99, 235, 0.1);
    color: var(--color-primary-dark);
}

/* ================================================
   Tables
   ================================================ */
.table-wrapper {
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: var(--spacing-4);
    text-align: left;
    border-bottom: 1px solid var(--color-gray-200);
}

.table th {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-gray-600);
    background: var(--color-gray-50);
}

.table td {
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
}

.table tr:hover td {
    background: var(--color-gray-50);
}

/* ================================================
   Status Badges
   ================================================ */
.status {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-1) var(--spacing-3);
    font-size: var(--font-size-xs);
    font-weight: 500;
    border-radius: var(--radius-full);
}

.status-success {
    background: var(--color-success-light);
    color: #065f46;
}

.status-pending {
    background: var(--color-warning-light);
    color: #92400e;
}

.status-error {
    background: var(--color-error-light);
    color: #991b1b;
}

.status-info {
    background: rgba(37, 99, 235, 0.1);
    color: var(--color-primary);
}

/* ================================================
   Loading States
   ================================================ */
.spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--color-gray-200);
    border-top-color: var(--color-primary);
    border-radius: var(--radius-full);
    animation: spin 0.8s linear infinite;
}

.skeleton {
    background: linear-gradient(90deg, var(--color-gray-200) 25%, var(--color-gray-100) 50%, var(--color-gray-200) 75%);
    background-size: 200% 100%;
    animation: skeleton 1.5s ease-in-out infinite;
    border-radius: var(--radius-md);
}

@keyframes skeleton {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ================================================
   Utilities
   ================================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-sm { font-size: var(--font-size-sm); }
.text-lg { font-size: var(--font-size-lg); }

.text-muted { color: var(--color-gray-500); }
.text-primary { color: var(--color-primary); }
.text-success { color: var(--color-success); }
.text-error { color: var(--color-error); }

.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.mt-4 { margin-top: var(--spacing-4); }
.mt-6 { margin-top: var(--spacing-6); }
.mt-8 { margin-top: var(--spacing-8); }
.mb-4 { margin-bottom: var(--spacing-4); }
.mb-6 { margin-bottom: var(--spacing-6); }
.mb-8 { margin-bottom: var(--spacing-8); }

.hidden { display: none; }
.block { display: block; }
.flex { display: flex; }
.grid { display: grid; }

.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }

.gap-2 { gap: var(--spacing-2); }
.gap-4 { gap: var(--spacing-4); }
.gap-6 { gap: var(--spacing-6); }

.w-full { width: 100%; }
.max-w-md { max-width: 28rem; }
.max-w-lg { max-width: 32rem; }
.max-w-xl { max-width: 36rem; }

/* ================================================
   App Layout (Dashboard)
   ================================================ */
.app-layout {
    display: flex;
    min-height: 100vh;
}

.app-sidebar {
    width: 260px;
    background: var(--color-gray-900);
    color: var(--color-white);
    padding: var(--spacing-6);
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    overflow-y: auto;
}

.app-main {
    flex: 1;
    margin-left: 260px;
    background: var(--color-gray-50);
    min-height: 100vh;
}

.app-header {
    background: var(--color-white);
    padding: var(--spacing-4) var(--spacing-8);
    border-bottom: 1px solid var(--color-gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.app-content {
    padding: var(--spacing-8);
}

/* Sidebar Navigation */
.sidebar-logo {
    margin-bottom: var(--spacing-8);
}

/* Logo contrast fix for app sidebar */
.sidebar-logo .logo {
    color: var(--color-white);
}

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

.sidebar-logo .logo-icon svg path:first-child {
    fill-opacity: 0.4;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3) var(--spacing-4);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    color: var(--color-gray-400);
    transition: all var(--transition-fast);
}

.sidebar-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
}

.sidebar-link.active {
    background: var(--color-primary);
    color: var(--color-white);
}

.sidebar-section {
    margin-top: var(--spacing-8);
    padding-top: var(--spacing-8);
    border-top: 1px solid var(--color-gray-800);
}

.sidebar-section-title {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-4);
}

/* Page Header */
.page-header {
    margin-bottom: var(--spacing-8);
}

.page-title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-2);
}

.page-description {
    color: var(--color-gray-500);
}

/* Dashboard Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-8);
}

.stat-card {
    background: var(--color-white);
    padding: var(--spacing-6);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-gray-200);
}

.stat-card-label {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-2);
}

.stat-card-value {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-gray-900);
}

@media (max-width: 1200px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

    .app-main {
        margin-left: 0;
    }

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

/* ================================================
   Auth Pages
   ================================================ */
.auth-layout {
    min-height: 100vh;
    display: flex;
}

.auth-sidebar {
    flex: 1;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    padding: var(--spacing-12);
    display: flex;
    flex-direction: column;
    justify-content: center;
    color: var(--color-white);
}

.auth-sidebar-content {
    max-width: 480px;
}

.auth-sidebar h2 {
    font-size: var(--font-size-4xl);
    color: var(--color-white);
    margin-bottom: var(--spacing-6);
}

.auth-sidebar p {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    margin-bottom: var(--spacing-8);
}

.auth-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.auth-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    font-size: var(--font-size-base);
}

.auth-feature svg {
    flex-shrink: 0;
}

/* Logo contrast fix for sidebar */
.auth-sidebar .logo {
    color: var(--color-white);
}

.auth-sidebar .logo-icon {
    color: var(--color-white);
    background: rgba(255, 255, 255, 0.15);
    padding: var(--spacing-2);
    border-radius: var(--radius-lg);
}

.auth-sidebar .logo-icon svg path:first-child {
    fill-opacity: 0.3;
}

.auth-main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-8);
    background: var(--color-white);
}

.auth-form-container {
    width: 100%;
    max-width: 400px;
}

.auth-logo {
    margin-bottom: var(--spacing-8);
}

.auth-title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-2);
}

.auth-subtitle {
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-8);
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    margin: var(--spacing-6) 0;
    color: var(--color-gray-400);
    font-size: var(--font-size-sm);
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--color-gray-200);
}

.auth-footer {
    margin-top: var(--spacing-8);
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

.auth-footer a {
    color: var(--color-primary);
    font-weight: 500;
}

@media (max-width: 968px) {
    .auth-sidebar {
        display: none;
    }
}

/* ================================================
   Capture Page
   ================================================ */
.capture-container {
    max-width: 800px;
    margin: 0 auto;
}

.capture-url-form {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-8);
    border: 1px solid var(--color-gray-200);
    margin-bottom: var(--spacing-8);
}

.url-input-wrapper {
    display: flex;
    gap: var(--spacing-4);
}

.url-input-wrapper .form-input {
    flex: 1;
}

.capture-status {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-8);
    border: 1px solid var(--color-gray-200);
    text-align: center;
}

.capture-progress-ring {
    width: 120px;
    height: 120px;
    margin: 0 auto var(--spacing-6);
}

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

.capture-status-detail {
    color: var(--color-gray-500);
}

/* ================================================
   Validate Page
   ================================================ */
.validate-container {
    max-width: 600px;
    margin: 0 auto;
}

.validate-dropzone {
    background: var(--color-white);
    border: 2px dashed var(--color-gray-300);
    border-radius: var(--radius-xl);
    padding: var(--spacing-12);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.validate-dropzone:hover {
    border-color: var(--color-primary);
    background: rgba(37, 99, 235, 0.02);
}

.validate-dropzone.dragover {
    border-color: var(--color-primary);
    background: rgba(37, 99, 235, 0.05);
}

.dropzone-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-4);
    color: var(--color-gray-400);
}

.dropzone-text {
    font-size: var(--font-size-lg);
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-2);
}

.dropzone-hint {
    font-size: var(--font-size-sm);
    color: var(--color-gray-400);
}

.validate-result {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-8);
    border: 1px solid var(--color-gray-200);
    margin-top: var(--spacing-8);
}

.result-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-6);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
}

.result-icon.success {
    background: var(--color-success-light);
    color: var(--color-success);
}

.result-icon.error {
    background: var(--color-error-light);
    color: var(--color-error);
}

.result-title {
    font-size: var(--font-size-xl);
    text-align: center;
    margin-bottom: var(--spacing-6);
}

.result-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.result-item {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-4);
    background: var(--color-gray-50);
    border-radius: var(--radius-lg);
}

.result-item-label {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

.result-item-value {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-gray-900);
}

/* ================================================
   Modal Overlay - Global Styles
   ================================================ */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
    max-width: 90%;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.modal-overlay.active .modal {
    transform: scale(1);
}