/* ============================================
   CivicShield — Design System & Styles
   Anti-Hoax Civic Alert Gateway
   ============================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
    /* Color Palette — Formal Government Blue */
    --primary-50: #eff6ff;
    --primary-100: #dbeafe;
    --primary-200: #bfdbfe;
    --primary-300: #93c5fd;
    --primary-400: #60a5fa;
    --primary-500: #3b82f6;
    --primary-600: #2563eb;
    --primary-700: #1d4ed8;
    --primary-800: #1e40af;
    --primary-900: #1e3a8a;

    /* Neutrals */
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    --gray-950: #020617;

    /* Semantic Colors */
    --success: #10b981;
    --success-bg: #ecfdf5;
    --success-border: #a7f3d0;
    --warning: #f59e0b;
    --warning-bg: #fffbeb;
    --warning-border: #fde68a;
    --danger: #ef4444;
    --danger-bg: #fef2f2;
    --danger-border: #fecaca;
    --info: #3b82f6;
    --info-bg: #eff6ff;
    --info-border: #bfdbfe;

    /* Background & Surface */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --surface: #ffffff;
    --surface-elevated: #ffffff;
    --surface-overlay: rgba(255, 255, 255, 0.95);

    /* Text */
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-tertiary: #94a3b8;
    --text-inverse: #ffffff;

    /* Borders */
    --border-light: #e2e8f0;
    --border-medium: #cbd5e1;
    --border-heavy: #94a3b8;

    /* Shadows */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 30px rgba(59, 130, 246, 0.15);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 20px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Layout */
    --nav-height: 72px;
    --container-max: 1200px;
    --container-narrow: 800px;
}

/* ---------- Dark Mode ---------- */
[data-theme="dark"] {
    --bg-primary: #0b1121;
    --bg-secondary: #0f172a;
    --bg-tertiary: #1e293b;
    --surface: #1a2332;
    --surface-elevated: #1e293b;
    --surface-overlay: rgba(15, 23, 42, 0.95);

    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-tertiary: #64748b;

    --border-light: #1e293b;
    --border-medium: #334155;
    --border-heavy: #475569;

    --success-bg: #052e16;
    --success-border: #166534;
    --warning-bg: #451a03;
    --warning-border: #92400e;
    --danger-bg: #450a0a;
    --danger-border: #991b1b;
    --info-bg: #172554;
    --info-border: #1e40af;

    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4), 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 30px rgba(59, 130, 246, 0.25);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-height);
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

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

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

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

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

/* ---------- Navbar ---------- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: var(--surface-overlay);
    backdrop-filter: blur(20px) saturate(1.8);
    -webkit-backdrop-filter: blur(20px) saturate(1.8);
    border-bottom: 1px solid var(--border-light);
    z-index: 1000;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-8);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-weight: 700;
    font-size: 1.15rem;
    flex-shrink: 0;
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-600), var(--primary-800));
    color: white;
    border-radius: var(--radius-lg);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.35);
}

.logo-text {
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.logo-badge {
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    padding: 2px 8px;
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    color: white;
    border-radius: var(--radius-full);
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.nav-link {
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.nav-link:hover {
    color: var(--primary-600);
    background: var(--primary-50);
}

[data-theme="dark"] .nav-link:hover {
    background: rgba(59, 130, 246, 0.1);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    flex-shrink: 0;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: var(--success-bg);
    border: 1px solid var(--success-border);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--success);
}

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
    display: inline-block;
}

.status-dot.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.5); }
    70% { box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
    100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.nav-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

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

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

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 24px;
    padding: 4px 0;
}

.hamburger span {
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--surface-overlay);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
    padding: var(--space-4) var(--space-6);
    z-index: 999;
    flex-direction: column;
    gap: var(--space-2);
}

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

.mobile-link {
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.mobile-link:hover {
    background: var(--primary-50);
    color: var(--primary-600);
}

/* ---------- Hero Section ---------- */
.hero {
    min-height: 100vh;
    padding-top: calc(var(--nav-height) + var(--space-16));
    padding-bottom: var(--space-16);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero-bg-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(139, 92, 246, 0.06) 0%, transparent 50%),
        radial-gradient(circle at 50% 0%, rgba(59, 130, 246, 0.04) 0%, transparent 50%);
    pointer-events: none;
}

[data-theme="dark"] .hero-bg-pattern {
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 50% 0%, rgba(59, 130, 246, 0.08) 0%, transparent 50%);
}

.hero-content {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--primary-50);
    border: 1px solid var(--primary-200);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary-700);
    margin-bottom: var(--space-6);
    animation: fadeInUp 0.6s ease-out;
}

[data-theme="dark"] .hero-badge {
    background: rgba(59, 130, 246, 0.1);
    border-color: rgba(59, 130, 246, 0.25);
    color: var(--primary-400);
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-6);
    animation: fadeInUp 0.6s ease-out 0.1s backwards;
}

.hero-title-line {
    display: block;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-500), #8b5cf6, var(--primary-600));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 560px;
    margin-bottom: var(--space-8);
    animation: fadeInUp 0.6s ease-out 0.2s backwards;
}

.hero-actions {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-10);
    animation: fadeInUp 0.6s ease-out 0.3s backwards;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: var(--space-8);
    animation: fadeInUp 0.6s ease-out 0.4s backwards;
}

.hero-stat-number {
    display: block;
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.hero-stat-label {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border-light);
}

/* Hero Visual — Floating Preview Card */
.hero-visual {
    animation: fadeInRight 0.8s ease-out 0.3s backwards;
    perspective: 1000px;
}

.verification-preview {
    background: var(--surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl), var(--shadow-glow);
    overflow: hidden;
    transform: rotateY(-5deg) rotateX(2deg);
    transition: transform var(--transition-slow);
}

.verification-preview:hover {
    transform: rotateY(0deg) rotateX(0deg);
}

.preview-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--border-light);
    background: var(--bg-secondary);
}

.preview-dots {
    display: flex;
    gap: 6px;
}

.preview-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.preview-dots span:nth-child(1) { background: #ef4444; }
.preview-dots span:nth-child(2) { background: #f59e0b; }
.preview-dots span:nth-child(3) { background: #10b981; }

.preview-title {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.preview-body {
    padding: var(--space-6);
}

.preview-label {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-tertiary);
    margin-bottom: var(--space-2);
}

.preview-input-area {
    margin-bottom: var(--space-5);
}

.preview-text {
    font-size: 0.95rem;
    color: var(--text-primary);
    padding: var(--space-4);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    line-height: 1.5;
    font-style: italic;
}

.preview-result {
    display: flex;
    gap: var(--space-4);
    padding: var(--space-4);
    border-radius: var(--radius-md);
    animation: slideIn 0.5s ease-out 1.5s backwards;
}

.preview-result.verified {
    background: var(--success-bg);
    border: 1px solid var(--success-border);
}

.preview-result-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--success);
    color: white;
    border-radius: var(--radius-md);
}

.preview-result-status {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--success);
    margin-bottom: 2px;
}

.preview-result-detail {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.preview-hash {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-tertiary);
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9rem;
    transition: all var(--transition-fast);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    color: white;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.35);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.45);
    transform: translateY(-1px);
}

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

.btn-outline {
    border: 1.5px solid var(--border-medium);
    color: var(--text-primary);
    background: transparent;
}

.btn-outline:hover {
    border-color: var(--primary-500);
    color: var(--primary-600);
    background: var(--primary-50);
}

[data-theme="dark"] .btn-outline:hover {
    background: rgba(59, 130, 246, 0.1);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: 1rem;
    border-radius: var(--radius-lg);
}

.btn-block {
    width: 100%;
    padding: var(--space-4) var(--space-8);
    font-size: 1rem;
    border-radius: var(--radius-lg);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

/* Button Loading State */
.btn.loading {
    color: transparent;
    pointer-events: none;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* ---------- Sections ---------- */
.section {
    padding: var(--space-24) 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: var(--container-narrow);
    margin: 0 auto var(--space-12);
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-1) var(--space-4);
    background: var(--primary-50);
    border: 1px solid var(--primary-200);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--primary-700);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--space-4);
}

[data-theme="dark"] .section-badge {
    background: rgba(59, 130, 246, 0.1);
    border-color: rgba(59, 130, 246, 0.25);
    color: var(--primary-400);
}

.alert-badge {
    background: var(--danger-bg);
    border-color: var(--danger-border);
    color: var(--danger);
}

[data-theme="dark"] .alert-badge {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.25);
    color: #f87171;
}

.live-dot {
    width: 8px;
    height: 8px;
    background: var(--danger);
    border-radius: 50%;
    display: inline-block;
    animation: pulse-danger 2s infinite;
}

@keyframes pulse-danger {
    0% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.5); }
    70% { box-shadow: 0 0 0 6px rgba(239, 68, 68, 0); }
    100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
}

.section-title {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-4);
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ---------- Verify Section ---------- */
.verify-section {
    background: var(--bg-secondary);
}

.verify-card {
    background: var(--surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-lg);
    max-width: 800px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: var(--space-6);
}

.form-label {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-3);
}

.form-textarea {
    width: 100%;
    padding: var(--space-4);
    border: 1.5px solid var(--border-light);
    border-radius: var(--radius-lg);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.95rem;
    line-height: 1.6;
    resize: vertical;
    transition: all var(--transition-fast);
}

.form-textarea:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.form-textarea::placeholder {
    color: var(--text-tertiary);
}

.form-hint {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-top: var(--space-2);
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

.verify-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.filter-label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--space-2);
}

.form-select {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border: 1.5px solid var(--border-light);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='12' viewBox='0 0 12 12' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M3 4.5L6 7.5L9 4.5' stroke='%2394a3b8' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

.form-select:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

/* Verify Result */
.verify-result {
    margin-top: var(--space-6);
    padding-top: var(--space-6);
    border-top: 1px solid var(--border-light);
    animation: fadeInUp 0.4s ease-out;
}

.verify-result.hidden {
    display: none;
}

.result-header {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-5);
}

.result-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    flex-shrink: 0;
}

.result-icon.verified {
    background: var(--success-bg);
    color: var(--success);
    border: 1px solid var(--success-border);
}

.result-icon.partial {
    background: var(--warning-bg);
    color: var(--warning);
    border: 1px solid var(--warning-border);
}

.result-icon.unverified {
    background: var(--danger-bg);
    color: var(--danger);
    border: 1px solid var(--danger-border);
}

.result-status {
    font-size: 1.2rem;
    font-weight: 700;
}

.result-status.verified { color: var(--success); }
.result-status.partial { color: var(--warning); }
.result-status.unverified { color: var(--danger); }

.result-subtitle {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 2px;
}

.result-details {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
}

.result-detail-row {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--border-light);
}

.result-detail-row:last-child {
    border-bottom: none;
}

.result-detail-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    min-width: 120px;
    flex-shrink: 0;
}

.result-detail-value {
    font-size: 0.9rem;
    color: var(--text-primary);
}

.result-hash {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--primary-600);
    word-break: break-all;
}

.confidence-bar {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.confidence-track {
    flex: 1;
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.confidence-fill {
    height: 100%;
    border-radius: var(--radius-full);
    transition: width 0.6s ease-out;
}

.confidence-fill.high { background: var(--success); }
.confidence-fill.medium { background: var(--warning); }
.confidence-fill.low { background: var(--danger); }

.confidence-label {
    font-size: 0.8rem;
    font-weight: 700;
    min-width: 36px;
}

/* Quick Examples */
.quick-examples {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-top: var(--space-6);
    justify-content: center;
    flex-wrap: wrap;
}

.quick-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-tertiary);
}

.example-chip {
    padding: var(--space-2) var(--space-4);
    background: var(--surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.example-chip:hover {
    border-color: var(--primary-400);
    color: var(--primary-600);
    background: var(--primary-50);
    transform: translateY(-1px);
}

[data-theme="dark"] .example-chip:hover {
    background: rgba(59, 130, 246, 0.1);
}

/* ---------- Alerts Section ---------- */
.alerts-section {
    background: var(--bg-primary);
}

.alert-filters {
    display: flex;
    gap: var(--space-2);
    justify-content: center;
    margin-bottom: var(--space-8);
    flex-wrap: wrap;
}

.filter-chip {
    padding: var(--space-2) var(--space-5);
    border: 1.5px solid var(--border-light);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--surface);
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.filter-chip:hover {
    border-color: var(--primary-400);
    color: var(--primary-600);
}

.filter-chip.active {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    color: white;
    border-color: transparent;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}

.severity-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.severity-dot.critical { background: var(--danger); }
.severity-dot.warning { background: var(--warning); }
.severity-dot.info { background: var(--info); }

.alerts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: var(--space-6);
}

.alert-card {
    background: var(--surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    transition: all var(--transition-base);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    animation: fadeInUp 0.4s ease-out backwards;
}

.alert-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
}

.alert-card.critical::before { background: linear-gradient(90deg, var(--danger), #f97316); }
.alert-card.warning::before { background: linear-gradient(90deg, var(--warning), #eab308); }
.alert-card.info::before { background: linear-gradient(90deg, var(--info), #06b6d4); }

.alert-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--border-medium);
}

.alert-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
}

.alert-severity {
    padding: 2px 10px;
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    flex-shrink: 0;
}

.alert-severity.critical {
    background: var(--danger-bg);
    color: var(--danger);
    border: 1px solid var(--danger-border);
}

.alert-severity.warning {
    background: var(--warning-bg);
    color: var(--warning);
    border: 1px solid var(--warning-border);
}

.alert-severity.info {
    background: var(--info-bg);
    color: var(--info);
    border: 1px solid var(--info-border);
}

.alert-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.4;
}

.alert-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-4);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.alert-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    padding-top: var(--space-4);
    border-top: 1px solid var(--border-light);
}

.alert-source {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-tertiary);
}

.alert-source-icon {
    width: 20px;
    height: 20px;
    background: var(--primary-100);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

[data-theme="dark"] .alert-source-icon {
    background: rgba(59, 130, 246, 0.15);
}

.alert-time {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    font-weight: 500;
}

.alert-hash {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-tertiary);
    margin-top: var(--space-3);
    opacity: 0.7;
}

/* Loading State */
.alerts-loading {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    padding: var(--space-12);
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

.loading-spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--border-light);
    border-top-color: var(--primary-500);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* ---------- Dashboard Section ---------- */
.dashboard-section {
    background: var(--bg-secondary);
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
    margin-bottom: var(--space-8);
}

.dash-card {
    background: var(--surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    transition: all var(--transition-base);
}

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

.dash-card-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: color-mix(in srgb, var(--accent) 10%, transparent);
    color: var(--accent);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-4);
}

.dash-card-value {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.dash-card-label {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    font-weight: 500;
    margin-top: var(--space-1);
    display: block;
}

.dash-card-trend {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    font-size: 0.75rem;
    font-weight: 600;
    margin-top: var(--space-3);
}

.dash-card-trend.up { color: var(--success); }
.dash-card-trend.down { color: var(--danger); }
.dash-card-trend.neutral { color: var(--text-tertiary); }

/* Charts */
.charts-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.chart-card {
    background: var(--surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
}

.chart-title {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-5);
}

.chart-container {
    min-height: 200px;
}

/* Chart Bars */
.chart-bar-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.chart-bar-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.chart-bar-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    min-width: 100px;
    flex-shrink: 0;
}

.chart-bar-track {
    flex: 1;
    height: 24px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.chart-bar-fill {
    height: 100%;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    padding-left: var(--space-2);
    font-size: 0.7rem;
    font-weight: 700;
    color: white;
    transition: width 1s ease-out;
    min-width: 30px;
}

.chart-bar-value {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-secondary);
    min-width: 30px;
    text-align: right;
    flex-shrink: 0;
}

/* Donut Chart */
.donut-chart-wrapper {
    display: flex;
    align-items: center;
    gap: var(--space-6);
}

.donut-chart {
    width: 140px;
    height: 140px;
    flex-shrink: 0;
}

.donut-legend {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.donut-legend-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.donut-legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* Activity Chart */
.activity-chart {
    display: flex;
    align-items: flex-end;
    gap: var(--space-2);
    height: 180px;
    padding-top: var(--space-4);
}

.activity-bar-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    height: 100%;
    justify-content: flex-end;
}

.activity-bar {
    width: 100%;
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    background: linear-gradient(180deg, var(--primary-500), var(--primary-700));
    transition: height 1s ease-out;
    min-height: 4px;
}

.activity-bar-label {
    font-size: 0.65rem;
    color: var(--text-tertiary);
    font-weight: 500;
}

.activity-bar-count {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--text-secondary);
}

/* ---------- Sources Section ---------- */
.sources-section {
    background: var(--bg-primary);
}

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

.source-card {
    background: var(--surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    transition: all var(--transition-base);
}

.source-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--border-medium);
}

.source-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: color-mix(in srgb, var(--accent) 10%, transparent);
    color: var(--accent);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-4);
}

.source-name {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.source-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-4);
}

.source-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.source-tag {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-tertiary);
    padding: 2px 10px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.source-status {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.75rem;
    font-weight: 600;
}

.source-status.active {
    color: var(--success);
}

.source-status .status-dot {
    width: 6px;
    height: 6px;
    background: var(--success);
    border-radius: 50%;
}

/* ---------- How It Works ---------- */
.how-section {
    background: var(--bg-secondary);
}

.steps-timeline {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.step-card {
    display: flex;
    gap: var(--space-6);
    padding: var(--space-8);
    background: var(--surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
    position: relative;
}

.step-card:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-300);
}

.step-number {
    font-size: 3rem;
    font-weight: 900;
    color: var(--primary-100);
    line-height: 1;
    flex-shrink: 0;
    min-width: 80px;
    text-align: center;
}

[data-theme="dark"] .step-number {
    color: rgba(59, 130, 246, 0.15);
}

.step-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-50);
    color: var(--primary-600);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-3);
}

[data-theme="dark"] .step-icon {
    background: rgba(59, 130, 246, 0.1);
}

.step-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.step-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.step-connector {
    width: 2px;
    height: 32px;
    background: linear-gradient(180deg, var(--primary-300), var(--primary-200));
    margin-left: 64px;
}

/* ---------- CTA Section ---------- */
.cta-section {
    padding: var(--space-16) 0;
    background: var(--bg-primary);
}

.cta-card {
    background: linear-gradient(135deg, var(--primary-700), var(--primary-900), #4c1d95);
    border-radius: var(--radius-2xl);
    padding: var(--space-16) var(--space-12);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-title {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 800;
    color: white;
    margin-bottom: var(--space-4);
    letter-spacing: -0.02em;
}

.cta-subtitle {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: var(--space-8);
}

.cta-decoration {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.cta-circle {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.cta-circle:nth-child(1) {
    width: 300px;
    height: 300px;
    top: -80px;
    right: -80px;
}

.cta-circle:nth-child(2) {
    width: 200px;
    height: 200px;
    bottom: -60px;
    left: -40px;
    background: rgba(255, 255, 255, 0.03);
}

.cta-circle:nth-child(3) {
    width: 150px;
    height: 150px;
    top: 50%;
    left: 60%;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

/* ---------- Footer ---------- */
.footer {
    background: var(--gray-950);
    color: var(--gray-400);
    padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

.footer .nav-logo {
    margin-bottom: var(--space-4);
}

.footer .logo-text {
    color: white;
}

.footer-desc {
    font-size: 0.85rem;
    line-height: 1.7;
    color: var(--gray-500);
}

.footer-heading {
    font-size: 0.8rem;
    font-weight: 700;
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--space-5);
}

.footer-link {
    display: block;
    font-size: 0.85rem;
    color: var(--gray-500);
    padding: var(--space-1) 0;
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: white;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-8);
    border-top: 1px solid var(--gray-800);
    font-size: 0.8rem;
    color: var(--gray-600);
}

.footer-tech {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.footer-dot {
    color: var(--gray-700);
}

/* ---------- Modal ---------- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--space-6);
    animation: fadeIn 0.2s ease-out;
}

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

.modal-content {
    background: var(--surface);
    border-radius: var(--radius-xl);
    max-width: 640px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
    padding: var(--space-8);
    position: relative;
    animation: scaleIn 0.3s ease-out;
}

.modal-close {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    font-size: 1.2rem;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--danger-bg);
    color: var(--danger);
}

.modal-alert-severity {
    display: inline-flex;
    padding: 3px 12px;
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-4);
}

.modal-alert-title {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--space-4);
    line-height: 1.3;
}

.modal-alert-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-6);
}

.modal-crypto {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    margin-bottom: var(--space-5);
}

.modal-crypto-title {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-tertiary);
    margin-bottom: var(--space-3);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.modal-crypto-row {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-2) 0;
}

.modal-crypto-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    min-width: 80px;
    flex-shrink: 0;
}

.modal-crypto-value {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--primary-600);
    word-break: break-all;
    line-height: 1.5;
}

.modal-meta-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

.modal-meta-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.modal-meta-label {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-tertiary);
}

.modal-meta-value {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* ---------- Toast ---------- */
.toast-container {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.toast {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    background: var(--surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    font-size: 0.85rem;
    animation: slideInRight 0.3s ease-out;
    min-width: 300px;
}

.toast.success { border-left: 3px solid var(--success); }
.toast.warning { border-left: 3px solid var(--warning); }
.toast.error { border-left: 3px solid var(--danger); }

/* ---------- Animations ---------- */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

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

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

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(100px); }
    to { opacity: 1; transform: translateX(0); }
}

/* Scroll Animation */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-10);
    }

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

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

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

    .hero-visual {
        max-width: 560px;
        margin: 0 auto;
    }

    .verification-preview {
        transform: none;
    }

    .dashboard-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .charts-row {
        grid-template-columns: 1fr;
    }

    .sources-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-8);
    }
}

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

    .hamburger {
        display: flex;
    }

    .status-indicator .status-text {
        display: none;
    }

    .hero {
        min-height: auto;
        padding-top: calc(var(--nav-height) + var(--space-10));
        padding-bottom: var(--space-10);
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--space-4);
    }

    .hero-stat-divider {
        width: 40px;
        height: 1px;
    }

    .verify-options {
        grid-template-columns: 1fr;
    }

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

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

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

    .step-card {
        flex-direction: column;
        gap: var(--space-4);
        padding: var(--space-6);
    }

    .step-number {
        font-size: 2rem;
        text-align: left;
        min-width: auto;
    }

    .step-connector {
        margin-left: 32px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-4);
        text-align: center;
    }

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

    .cta-card {
        padding: var(--space-10) var(--space-6);
    }

    .section {
        padding: var(--space-16) 0;
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .quick-examples {
        flex-direction: column;
    }

    .donut-chart-wrapper {
        flex-direction: column;
        align-items: center;
    }
}