/* ===== CSS Variables & Theme ===== */
:root {
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 20px;
    --radius-full: 9999px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --container-max: 1200px;
}

[data-theme="dark"] {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a2e;
    --bg-card: #16161f;
    --bg-card-hover: #1e1e2d;
    --border: #2a2a3e;
    --border-subtle: #1f1f30;
    --text-primary: #f0f0f5;
    --text-secondary: #a0a0b8;
    --text-tertiary: #6b6b80;
    --accent: #6c63ff;
    --accent-hover: #7b73ff;
    --accent-subtle: rgba(108, 99, 255, 0.1);
    --accent-glow: rgba(108, 99, 255, 0.3);
    --success: #34d399;
    --warning: #fbbf24;
    --hero-glow: radial-gradient(ellipse 60% 50% at 50% 0%, rgba(108, 99, 255, 0.15) 0%, transparent 70%);
}

[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fc;
    --bg-tertiary: #f0f1f5;
    --bg-card: #ffffff;
    --bg-card-hover: #f8f9fc;
    --border: #e2e4eb;
    --border-subtle: #eef0f5;
    --text-primary: #111119;
    --text-secondary: #5c5c72;
    --text-tertiary: #8e8ea8;
    --accent: #5b52e6;
    --accent-hover: #4a41d4;
    --accent-subtle: rgba(91, 82, 230, 0.08);
    --accent-glow: rgba(91, 82, 230, 0.15);
    --success: #10b981;
    --warning: #f59e0b;
    --hero-glow: radial-gradient(ellipse 60% 50% at 50% 0%, rgba(91, 82, 230, 0.08) 0%, transparent 70%);
}

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

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

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

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

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

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

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
    transition: background var(--transition), border var(--transition);
}

[data-theme="light"] .navbar {
    background: rgba(255, 255, 255, 0.85);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--text-primary);
}

.logo-img {
    display: block;
    flex-shrink: 0;
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition);
}

.nav-links a:hover {
    color: var(--text-primary);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.theme-toggle {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    transition: background var(--transition), color var(--transition);
}

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

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}

.mobile-menu-toggle span {
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: transform var(--transition), opacity var(--transition);
}

.mobile-menu {
    display: none;
    flex-direction: column;
    padding: 16px 24px 24px;
    gap: 12px;
    border-top: 1px solid var(--border-subtle);
}

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

.mobile-menu a {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
    padding: 8px 0;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: all var(--transition);
    white-space: nowrap;
}

.btn-sm {
    padding: 8px 20px;
    font-size: 0.85rem;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 1rem;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 30px var(--accent-glow);
}

.btn-ghost {
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

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

/* ===== Hero Section ===== */
.hero {
    position: relative;
    padding: 140px 0 100px;
    overflow: hidden;
}

.hero-glow {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 700px;
    background: var(--hero-glow);
    pointer-events: none;
}

.hero-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    text-align: left;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: var(--radius-full);
    background: var(--accent-subtle);
    border: 1px solid var(--border);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--accent);
    margin-bottom: 28px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero-title {
    font-size: clamp(2.8rem, 6vw, 4.2rem);
    font-weight: 800;
    line-height: 1.08;
    letter-spacing: -0.035em;
    margin-bottom: 20px;
    background: linear-gradient(180deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 480px;
    margin-bottom: 36px;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 32px;
}

/* Hero Trust Badges */
.hero-trust-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 16px 24px;
}

.trust-badge-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.trust-badge-item svg {
    color: var(--success);
    flex-shrink: 0;
}

/* Hero Screenshot / Extension Mockup */
.hero-visual {
    position: relative;
}

.hero-screenshot {
    position: relative;
}

.screenshot-browser {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow:
        0 24px 80px rgba(0, 0, 0, 0.35),
        0 0 0 1px var(--border-subtle);
    transition: transform var(--transition), box-shadow var(--transition);
}

.screenshot-browser:hover {
    transform: translateY(-4px) scale(1.01);
    box-shadow:
        0 32px 100px rgba(0, 0, 0, 0.4),
        0 0 0 1px var(--accent);
}

[data-theme="light"] .screenshot-browser {
    box-shadow:
        0 24px 80px rgba(0, 0, 0, 0.08),
        0 0 0 1px var(--border);
}

[data-theme="light"] .screenshot-browser:hover {
    box-shadow:
        0 32px 100px rgba(0, 0, 0, 0.12),
        0 0 0 1px var(--accent);
}

.browser-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-subtle);
}

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

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

.browser-dots span:nth-child(1) { background: #ff5f57; }
.browser-dots span:nth-child(2) { background: #febc2e; }
.browser-dots span:nth-child(3) { background: #28c840; }

.browser-address {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: 0.72rem;
    color: var(--text-tertiary);
    overflow: hidden;
}

.browser-address svg {
    flex-shrink: 0;
    color: var(--success);
}

.browser-content {
    position: relative;
    padding: 20px;
    min-height: 280px;
    display: flex;
    gap: 16px;
}

.page-mock {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding-top: 8px;
}

.page-line {
    height: 10px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    opacity: 0.6;
}

.page-line.w60 { width: 60%; }
.page-line.w70 { width: 70%; }
.page-line.w80 { width: 80%; }
.page-line.w85 { width: 85%; }
.page-line.w90 { width: 90%; }

/* Extension Panel (overlaid) */
.extension-panel {
    width: 220px;
    flex-shrink: 0;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

[data-theme="light"] .extension-panel {
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
}

.ext-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 14px;
    border-bottom: 1px solid var(--border-subtle);
    background: var(--bg-secondary);
}

.ext-title {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-primary);
    flex: 1;
}

.ext-status {
    font-size: 0.65rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    background: rgba(52, 211, 153, 0.15);
    color: var(--success);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.ext-body {
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.ext-claim,
.ext-score,
.ext-sources {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.ext-label {
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-tertiary);
}

.ext-text {
    font-size: 0.78rem;
    color: var(--text-primary);
    line-height: 1.4;
}

.ext-bar {
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.ext-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--success));
    border-radius: var(--radius-full);
}

.ext-percent {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--success);
}

.ext-source-list {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.ext-source-list span {
    padding: 2px 8px;
    border-radius: var(--radius-full);
    background: var(--accent-subtle);
    border: 1px solid var(--border);
    font-size: 0.68rem;
    font-weight: 500;
    color: var(--accent);
}

.ext-verdict {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    background: rgba(52, 211, 153, 0.08);
    border: 1px solid rgba(52, 211, 153, 0.2);
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--success);
}

/* ===== Section Shared ===== */
.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    padding: 6px 14px;
    border-radius: var(--radius-full);
    background: var(--accent-subtle);
    border: 1px solid var(--border);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 20px;
}

.section-title {
    font-size: clamp(2rem, 5vw, 2.8rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 520px;
    margin: 0 auto;
}

/* ===== Verify Hub Section ===== */
.verify-hub {
    padding: 120px 0;
    background: var(--bg-secondary);
    content-visibility: auto;
    contain-intrinsic-size: auto 700px;
}

.verify-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 16px 64px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

[data-theme="light"] .verify-card {
    box-shadow: 0 16px 64px rgba(0, 0, 0, 0.06);
}

/* Tabs */
.verify-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-subtle);
    padding: 0 8px;
    gap: 4px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.verify-tab {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 16px 20px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-tertiary);
    border-bottom: 2px solid transparent;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
    position: relative;
}

.verify-tab:hover {
    color: var(--text-secondary);
    background: var(--accent-subtle);
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

.verify-tab.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

.tab-icon {
    font-size: 1rem;
}

.tab-badge {
    font-size: 0.6rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: var(--radius-full);
    background: var(--bg-tertiary);
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* Panels */
.verify-panels {
    position: relative;
    min-height: 260px;
}

.verify-panel {
    padding: 36px 32px;
    animation: panelFadeIn 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.verify-panel[hidden] {
    display: none;
}

@keyframes panelFadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.panel-inner {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Input Group */
.input-group {
    display: flex;
    gap: 12px;
    align-items: stretch;
}

.input-wrapper {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: 16px;
    color: var(--text-tertiary);
    pointer-events: none;
}

.verify-input {
    width: 100%;
    padding: 16px 16px 16px 46px;
    font-family: var(--font-family);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-primary);
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    outline: none;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

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

.verify-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-subtle);
}

.verify-btn {
    flex-shrink: 0;
}

/* Panel Tip */
.panel-tip {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    color: var(--text-tertiary);
}

.panel-tip strong {
    color: var(--text-secondary);
}

/* Platform Tags */
.platform-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.platform-tag {
    padding: 5px 12px;
    border-radius: var(--radius-full);
    background: var(--accent-subtle);
    border: 1px solid var(--border);
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--accent);
}

/* Info Box */
.panel-info-box {
    display: flex;
    gap: 12px;
    padding: 16px 20px;
    border-radius: var(--radius);
    background: var(--accent-subtle);
    border: 1px solid var(--border);
}

.panel-info-box svg {
    flex-shrink: 0;
    color: var(--accent);
    margin-top: 2px;
}

.panel-info-box p {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.info-meta {
    display: block;
    margin-top: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-tertiary);
}

/* Coming Soon State */
.coming-soon-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 20px;
}

.upload-area {
    width: 100%;
    max-width: 480px;
    padding: 40px 24px;
    border: 2px dashed var(--border);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--text-tertiary);
    opacity: 0.5;
    cursor: not-allowed;
}

.upload-text {
    font-size: 0.9rem;
    font-weight: 500;
    margin: 0;
}

.upload-formats {
    font-size: 0.75rem;
}

.textarea-wrapper {
    width: 100%;
    max-width: 560px;
}

.verify-textarea {
    width: 100%;
    min-height: 140px;
    padding: 16px;
    font-family: var(--font-family);
    font-size: 0.92rem;
    color: var(--text-primary);
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    resize: vertical;
    outline: none;
    opacity: 0.5;
    cursor: not-allowed;
}

.textarea-wrapper.disabled .verify-textarea {
    pointer-events: none;
}

.coming-badge-large {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    border-radius: var(--radius-full);
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-tertiary);
}

.coming-desc {
    font-size: 0.88rem;
    color: var(--text-secondary);
    max-width: 400px;
    margin: 0;
}

.verify-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
    box-shadow: none;
}

/* Article Error */
.article-error {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: #ef4444;
    font-size: 0.85rem;
    font-weight: 500;
}

.article-error[hidden] {
    display: none;
}

/* Article Loading */
.article-loading {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px;
    border-radius: var(--radius);
    background: var(--accent-subtle);
    border: 1px solid var(--border);
}

.article-loading[hidden] {
    display: none;
}

.loading-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    flex-shrink: 0;
}

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

.loading-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.loading-title {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text-primary);
}

.loading-step {
    font-size: 0.78rem;
    color: var(--text-tertiary);
}

/* Article Results */
.article-results {
    border-radius: var(--radius);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    overflow: hidden;
    animation: panelFadeIn 0.4s ease;
}

.article-results[hidden] {
    display: none;
}

.results-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-subtle);
    background: var(--bg-card);
}

.results-header-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.results-header-left img {
    flex-shrink: 0;
}

.results-title {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-primary);
}

.results-verdict-badge {
    font-size: 0.7rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.results-verdict-badge.verified {
    background: rgba(52, 211, 153, 0.12);
    color: var(--success);
}

.results-verdict-badge.unverified {
    background: rgba(239, 68, 68, 0.12);
    color: #ef4444;
}

.results-verdict-badge.partial {
    background: rgba(251, 191, 36, 0.12);
    color: var(--warning);
}

.results-verdict-badge.inconclusive {
    background: var(--bg-tertiary);
    color: var(--text-tertiary);
}

.results-body {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.result-section {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.result-label {
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-tertiary);
}

.result-claim {
    font-size: 0.9rem;
    color: var(--text-primary);
    line-height: 1.5;
    font-style: italic;
}

.result-confidence-row {
    display: flex;
    align-items: center;
    gap: 12px;
}

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

.result-bar-fill {
    height: 100%;
    border-radius: var(--radius-full);
    background: linear-gradient(90deg, var(--accent), var(--success));
    transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
}

.result-percent {
    font-size: 1rem;
    font-weight: 800;
    color: var(--success);
    min-width: 40px;
}

.result-sources {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.result-source-tag {
    padding: 3px 10px;
    border-radius: var(--radius-full);
    background: var(--accent-subtle);
    border: 1px solid var(--border);
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--accent);
}

.result-summary {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.result-verdict-box {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    background: rgba(52, 211, 153, 0.06);
    border: 1px solid rgba(52, 211, 153, 0.15);
}

.result-verdict-box.negative {
    background: rgba(239, 68, 68, 0.06);
    border-color: rgba(239, 68, 68, 0.15);
}

.result-verdict-box.neutral {
    background: rgba(251, 191, 36, 0.06);
    border-color: rgba(251, 191, 36, 0.15);
}

.result-verdict-icon {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(52, 211, 153, 0.15);
    color: var(--success);
    flex-shrink: 0;
}

.result-verdict-box.negative .result-verdict-icon {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
}

.result-verdict-box.neutral .result-verdict-icon {
    background: rgba(251, 191, 36, 0.15);
    color: var(--warning);
}

.result-verdict-text {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.4;
}

.results-footer {
    padding: 12px 20px;
    border-top: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.results-new-btn {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--accent);
    cursor: pointer;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    transition: background 0.2s ease;
}

.results-new-btn:hover {
    background: var(--accent-subtle);
}

.results-time {
    font-size: 0.72rem;
    color: var(--text-tertiary);
}

/* ===== Features Section ===== */
.features {
    padding: 120px 0;
    content-visibility: auto;
    contain-intrinsic-size: auto 800px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.feature-card {
    position: relative;
    padding: 36px 32px;
    border-radius: var(--radius-lg);
    background: var(--bg-card);
    border: 1px solid var(--border);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--success));
    opacity: 0;
    transition: opacity 0.4s ease;
}

.feature-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent);
    transform: translateY(-6px);
    box-shadow: 0 16px 48px var(--accent-glow);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(-3deg);
    background: var(--accent);
    color: #fff;
}

.feature-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    background: var(--accent-subtle);
    color: var(--accent);
    margin-bottom: 22px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.feature-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: -0.01em;
}

.feature-card p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.65;
}

/* ===== Supported Websites Section ===== */
.supported-websites {
    padding: 120px 0;
    background: var(--bg-secondary);
    content-visibility: auto;
    contain-intrinsic-size: auto 700px;
}

.websites-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
}

.website-card {
    position: relative;
    padding: 28px 20px;
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.website-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, rgba(108, 99, 255, 0.05) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

[data-theme="light"] .website-card {
    background: rgba(255, 255, 255, 0.6);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.03);
}

.website-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
    box-shadow: 0 12px 40px var(--accent-glow);
}

.website-card:hover::before {
    opacity: 1;
}

.website-card:hover .website-logo {
    border-color: var(--accent);
    box-shadow: 0 4px 16px var(--accent-glow);
}

.website-logo {
    width: 48px;
    height: 48px;
    margin: 0 auto 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-subtle);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.website-logo-letter {
    font-size: 1rem;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: -0.02em;
}

.website-name {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.website-desc {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    line-height: 1.5;
}

/* ===== Real Verification Example Section ===== */
.verification-example {
    padding: 120px 0;
    content-visibility: auto;
    contain-intrinsic-size: auto 700px;
}

.example-container {
    display: grid;
    grid-template-columns: 1fr 1.1fr 1fr;
    gap: 20px;
    align-items: stretch;
}

.example-panel {
    position: relative;
    padding: 28px 24px;
    border-radius: var(--radius-lg);
    background: rgba(22, 22, 31, 0.7);
    border: 1px solid var(--border);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    display: flex;
    flex-direction: column;
    gap: 16px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] .example-panel {
    background: rgba(255, 255, 255, 0.7);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
}

.example-panel:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
}

[data-theme="light"] .example-panel:hover {
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}

.panel-label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-tertiary);
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-subtle);
}

/* Article Panel */
.article-source {
    display: flex;
    align-items: center;
    gap: 12px;
}

.article-outlet {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--accent);
}

.article-date {
    font-size: 0.72rem;
    color: var(--text-tertiary);
}

.article-headline {
    font-size: 1.05rem;
    font-weight: 700;
    line-height: 1.4;
    color: var(--text-primary);
}

.article-excerpt {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.article-meta {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: auto;
}

.meta-tag {
    padding: 3px 10px;
    border-radius: var(--radius-full);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-subtle);
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--text-tertiary);
}

/* Evidence Panel */
.evidence-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.evidence-item {
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-subtle);
}

[data-theme="light"] .evidence-item {
    background: rgba(0, 0, 0, 0.02);
}

.evidence-source {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
}

.evidence-badge {
    font-size: 0.6rem;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.evidence-badge.trust-high {
    background: rgba(52, 211, 153, 0.12);
    color: var(--success);
    border: 1px solid rgba(52, 211, 153, 0.2);
}

.evidence-badge.trust-medium {
    background: rgba(251, 191, 36, 0.12);
    color: var(--warning);
    border: 1px solid rgba(251, 191, 36, 0.2);
}

.evidence-name {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-primary);
}

.evidence-text {
    font-size: 0.72rem;
    color: var(--text-secondary);
    line-height: 1.5;
    font-style: italic;
}

.evidence-count {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--success);
    padding-top: 8px;
    border-top: 1px solid var(--border-subtle);
    margin-top: auto;
}

/* Verdict Panel */
.verdict-claim p,
.verdict-summary p {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.verdict-claim p {
    font-style: italic;
    color: var(--text-primary);
}

.verdict-section-label {
    display: block;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-tertiary);
    margin-bottom: 6px;
}

.verdict-score-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.verdict-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--success));
    border-radius: var(--radius-full);
}

.verdict-percent {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--success);
}

.verdict-final {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border-radius: var(--radius);
    background: rgba(52, 211, 153, 0.06);
    border: 1px solid rgba(52, 211, 153, 0.15);
    margin-top: auto;
}

.verdict-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 12px;
    border-radius: var(--radius-full);
    font-size: 0.78rem;
    font-weight: 700;
    white-space: nowrap;
}

.verdict-badge.verified {
    background: rgba(52, 211, 153, 0.15);
    color: var(--success);
}

.verdict-explanation {
    font-size: 0.75rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* ===== How It Works Section ===== */
.how-it-works {
    padding: 120px 0;
    background: var(--bg-secondary);
    content-visibility: auto;
    contain-intrinsic-size: auto 600px;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.step-card {
    position: relative;
    padding: 32px 24px;
    border-radius: var(--radius-lg);
    background: var(--bg-card);
    border: 1px solid var(--border);
    text-align: center;
    transition: all var(--transition);
}

.step-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
}

.step-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--accent-subtle);
    line-height: 1;
    margin-bottom: 16px;
    background: linear-gradient(180deg, var(--accent) 0%, transparent 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.4;
}

.step-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--accent-subtle);
    color: var(--accent);
    margin: 0 auto 20px;
}

.step-card h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.step-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== Trust Section ===== */
.trust {
    padding: 120px 0;
    content-visibility: auto;
    contain-intrinsic-size: auto 700px;
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.trust-card {
    position: relative;
    padding: 28px 24px;
    border-radius: var(--radius-lg);
    background: var(--bg-card);
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 14px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.trust-card-glow {
    position: absolute;
    top: -40%;
    left: -40%;
    width: 180%;
    height: 180%;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 65%);
    opacity: 0;
    transition: opacity 0.6s ease;
    pointer-events: none;
}

.trust-card:hover {
    border-color: var(--accent);
    transform: translateY(-5px);
    box-shadow: 0 16px 48px var(--accent-glow);
}

.trust-card:hover .trust-card-glow {
    opacity: 0.15;
    animation: glowPulse 3s ease-in-out infinite;
}

.trust-card:hover .trust-card-logo {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
    box-shadow: 0 4px 16px var(--accent-glow);
}

@keyframes glowPulse {
    0%, 100% { opacity: 0.15; transform: scale(1); }
    50% { opacity: 0.25; transform: scale(1.05); }
}

.trust-card-header {
    display: flex;
    align-items: center;
    gap: 14px;
}

.trust-card-logo {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    background: var(--accent-subtle);
    border: 1px solid var(--border);
    font-size: 0.9rem;
    font-weight: 800;
    color: var(--accent);
    flex-shrink: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.trust-card-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.trust-card-name {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.trust-card-type {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-tertiary);
}

.trust-card-desc {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.6;
    flex: 1;
}

.trust-card-footer {
    padding-top: 12px;
    border-top: 1px solid var(--border-subtle);
    margin-top: auto;
}

.reliability-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.reliability-badge.high {
    background: rgba(52, 211, 153, 0.1);
    color: var(--success);
    border: 1px solid rgba(52, 211, 153, 0.2);
}

.reliability-badge.medium {
    background: rgba(251, 191, 36, 0.1);
    color: var(--warning);
    border: 1px solid rgba(251, 191, 36, 0.2);
}

/* ===== FAQ Section ===== */
.faq {
    padding: 120px 0;
    background: var(--bg-secondary);
    content-visibility: auto;
    contain-intrinsic-size: auto 600px;
}

.faq-list {
    max-width: 720px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    border-radius: var(--radius);
    background: var(--bg-card);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: border-color var(--transition);
}

.faq-item:hover {
    border-color: var(--accent);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    text-align: left;
    transition: color var(--transition);
}

.faq-question svg {
    flex-shrink: 0;
    color: var(--text-tertiary);
    transition: transform var(--transition);
}

.faq-item.active .faq-question svg {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-item.active .faq-answer {
    max-height: 400px;
}

.faq-answer p {
    padding: 0 24px 20px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===== CTA Section ===== */
.cta-section {
    padding: 80px 0;
}

.cta-card {
    text-align: center;
    padding: 80px 40px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--accent-subtle), var(--bg-tertiary));
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.cta-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 60%);
    opacity: 0.3;
    pointer-events: none;
}

.cta-card h2 {
    font-size: clamp(1.8rem, 4vw, 2.4rem);
    font-weight: 800;
    margin-bottom: 12px;
    position: relative;
}

.cta-card p {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    position: relative;
}

.cta-card .btn {
    position: relative;
}

/* ===== Footer ===== */
.footer {
    padding: 80px 0 32px;
    border-top: 1px solid var(--border-subtle);
}

.footer-top {
    display: grid;
    grid-template-columns: 1.4fr 2fr;
    gap: 60px;
    margin-bottom: 48px;
}

.footer-brand p {
    margin-top: 14px;
    font-size: 0.88rem;
    color: var(--text-tertiary);
    line-height: 1.6;
    max-width: 280px;
}

.footer-social {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.social-link {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-subtle);
    color: var(--text-tertiary);
    transition: all var(--transition);
}

.social-link:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--accent-glow);
}

.footer-columns {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.footer-column h5 {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
}

.footer-column ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-column ul li a {
    font-size: 0.88rem;
    color: var(--text-secondary);
    transition: color var(--transition);
}

.footer-column ul li a:hover {
    color: var(--accent);
}

.footer-bottom {
    padding-top: 28px;
    border-top: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-bottom p {
    font-size: 0.78rem;
    color: var(--text-tertiary);
}

.footer-tagline {
    font-style: italic;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .hero-split {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }

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

    .websites-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .example-container {
        grid-template-columns: 1fr 1fr;
    }

    .example-verdict {
        grid-column: 1 / -1;
    }

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

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

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

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

    .nav-actions {
        gap: 8px;
    }

    .hero {
        padding: 120px 0 80px;
    }

    .hero-split {
        grid-template-columns: 1fr;
        gap: 48px;
        text-align: center;
    }

    .hero-content {
        text-align: center;
    }

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

    .hero-trust-badges {
        justify-content: center;
    }

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

    .hero-title br {
        display: none;
    }

    .verify-card {
        border-radius: var(--radius);
    }

    .verify-tabs {
        padding: 0 4px;
    }

    .verify-tab {
        padding: 14px 14px;
        font-size: 0.82rem;
    }

    .verify-panel {
        padding: 24px 20px;
    }

    .input-group {
        flex-direction: column;
    }

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

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

    .example-container {
        grid-template-columns: 1fr;
    }

    .example-verdict {
        grid-column: auto;
    }

    .steps-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .trust-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .section-title br {
        display: none;
    }

    .footer-content {
        flex-direction: column;
        gap: 24px;
        text-align: center;
    }

    .footer-top {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .footer-brand p {
        max-width: 100%;
    }

    .footer-social {
        justify-content: center;
    }

    .footer-columns {
        grid-template-columns: repeat(2, 1fr);
        text-align: left;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 6px;
        text-align: center;
    }

    .footer-links {
        gap: 20px;
    }

    .cta-card {
        padding: 48px 24px;
    }

    .features,
    .how-it-works,
    .trust,
    .faq,
    .supported-websites,
    .verification-example,
    .verify-hub {
        padding: 80px 0;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.2rem;
    }

    .hero-trust-badges {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }

    .websites-grid {
        grid-template-columns: 1fr;
        max-width: 280px;
        margin: 0 auto;
    }

    .btn-lg {
        padding: 12px 24px;
        font-size: 0.9rem;
    }

    .feature-card {
        padding: 24px;
    }

    .extension-panel {
        width: 180px;
    }

    .browser-address span {
        display: none;
    }
}

/* ===== Premium Animations ===== */

/* Page Load Transition */
.page-loading {
    opacity: 0;
}

.page-loaded {
    opacity: 1;
    transition: opacity 0.6s ease;
}

/* Section Fade-In */
.section-animate {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), 
                transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Card Staggered Fade-In */
.card-animate {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    transition-delay: var(--delay, 0s);
}

.card-animate.animate-in {
    opacity: 1;
    transform: translateY(0);
}

/* Button Micro-Interactions */
.btn {
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1), transform 0.15s ease;
}

.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        105deg,
        transparent 40%,
        rgba(255, 255, 255, 0.12) 45%,
        rgba(255, 255, 255, 0.12) 55%,
        transparent 60%
    );
    transform: translateX(-100%);
    transition: none;
}

.btn:hover::after {
    animation: btnSheen 0.6s ease forwards;
}

@keyframes btnSheen {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Button Ripple */
.btn-ripple {
    position: absolute;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.25);
    transform: translate(-50%, -50%);
    animation: rippleExpand 0.5s ease-out forwards;
    pointer-events: none;
}

@keyframes rippleExpand {
    0% {
        width: 0;
        height: 0;
        opacity: 0.6;
    }
    100% {
        width: 300px;
        height: 300px;
        opacity: 0;
    }
}

/* Hero Glow Floating */
.hero-glow {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform;
}

/* Glass Reflection on Cards */
.feature-card::after,
.trust-card::after,
.step-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 60%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.03),
        transparent
    );
    transition: none;
    pointer-events: none;
}

.feature-card:hover::after,
.trust-card:hover::after,
.step-card:hover::after {
    animation: glassReflect 0.8s ease forwards;
}

@keyframes glassReflect {
    0% { left: -100%; }
    100% { left: 150%; }
}

/* Navbar Scroll Enhancement */
.navbar {
    transition: background 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}

.navbar.scrolled {
    border-bottom-color: var(--border);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

[data-theme="light"] .navbar.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

/* Screenshot Browser Float Animation */
.screenshot-browser {
    animation: browserFloat 6s ease-in-out infinite;
}

@keyframes browserFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.screenshot-browser:hover {
    animation: none;
    transform: translateY(-4px) scale(1.01);
}

/* Confidence Bar Animation */
.ext-bar-fill,
.verdict-bar-fill {
    animation: barGrow 1.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
    transform-origin: left;
}

@keyframes barGrow {
    0% { transform: scaleX(0); }
    100% { transform: scaleX(1); }
}

/* Nav Link Hover Underline */
.nav-links a {
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    border-radius: 1px;
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-links a:hover::after {
    width: 100%;
}

/* Theme Toggle Spin */
.theme-toggle svg {
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.theme-toggle:hover svg {
    transform: rotate(20deg);
}

/* FAQ Answer Smooth Reveal */
.faq-answer {
    transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.3s ease;
    opacity: 0;
}

.faq-item.active .faq-answer {
    opacity: 1;
}

/* Social Links Bounce */
.social-link {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1), transform 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* ===== Reduced Motion ===== */
@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;
    }

    .section-animate {
        opacity: 1;
        transform: none;
    }

    .card-animate {
        opacity: 1;
        transform: none;
    }

    .page-loading {
        opacity: 1;
    }

    .screenshot-browser {
        animation: none;
    }

    .hero-glow {
        transform: none !important;
    }

    .badge-dot {
        animation: none;
    }

    .ext-bar-fill,
    .verdict-bar-fill {
        animation: none;
        transform: none;
    }
}

/* ===== Accessibility ===== */
.skip-link {
    position: absolute;
    top: -100%;
    left: 16px;
    padding: 12px 24px;
    background: var(--accent);
    color: #fff;
    font-weight: 600;
    font-size: 0.9rem;
    border-radius: var(--radius-sm);
    z-index: 9999;
    transition: top 0.3s ease;
}

.skip-link:focus {
    top: 16px;
    outline: 3px solid var(--accent);
    outline-offset: 2px;
}

/* Focus Visible Styles */
:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 4px;
}

button:focus-visible,
a:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}

/* High contrast improvements */
@media (forced-colors: active) {
    .btn-primary {
        border: 2px solid ButtonText;
    }

    .feature-icon,
    .trust-card-logo,
    .website-logo {
        border: 2px solid ButtonText;
    }
}

/* Print styles */
@media print {
    .navbar,
    .hero-glow,
    .theme-toggle,
    .mobile-menu-toggle,
    .btn-ripple {
        display: none !important;
    }

    body {
        background: #fff;
        color: #000;
    }

    .hero {
        padding-top: 40px;
    }
}

/* ===== Verification Progress Timeline ===== */
.vn-timeline {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 20px 24px;
    border-radius: var(--radius);
    background: var(--accent-subtle);
    border: 1px solid var(--border);
}

.vn-step {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 6px 0;
    opacity: 0.5;
    transition: opacity 0.4s ease;
}

.vn-step.completed,
.vn-step.active {
    opacity: 1;
}

.vn-step-marker {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    position: relative;
    transition: background 0.4s ease, border-color 0.4s ease;
}

.vn-step-check {
    color: #fff;
    opacity: 0;
    transform: scale(0.5);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.vn-step-dot {
    position: absolute;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    opacity: 0;
}

.vn-step.completed .vn-step-marker {
    background: var(--success);
    border-color: var(--success);
}

.vn-step.completed .vn-step-check {
    opacity: 1;
    transform: scale(1);
}

.vn-step.active .vn-step-marker {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px var(--accent-subtle);
}

.vn-step.active .vn-step-dot {
    opacity: 1;
    animation: vnStepPulse 1.2s ease-in-out infinite;
}

@keyframes vnStepPulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.4); opacity: 0.5; }
}

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

.vn-step.active .vn-step-label {
    color: var(--accent);
}

/* ===== Confidence Meter Tiers ===== */
.vn-confidence-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.vn-confidence-tier {
    font-size: 0.7rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.vn-tier-high { background: rgba(52, 211, 153, 0.12); color: var(--success); }
.vn-tier-medium { background: rgba(251, 191, 36, 0.12); color: var(--warning); }
.vn-tier-low { background: rgba(239, 68, 68, 0.12); color: #ef4444; }

.result-bar-fill {
    transition: width 1.1s cubic-bezier(0.4, 0, 0.2, 1);
}

.vn-bar-high { background: linear-gradient(90deg, var(--accent), var(--success)); }
.vn-bar-medium { background: linear-gradient(90deg, var(--accent), var(--warning)); }
.vn-bar-low { background: linear-gradient(90deg, #f87171, #ef4444); }

.vn-percent-high { color: var(--success); }
.vn-percent-medium { color: var(--warning); }
.vn-percent-low { color: #ef4444; }

/* ===== Claims List ===== */
.vn-claims-list {
    margin: 0;
    padding-left: 18px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.vn-claims-list li {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.55;
}

.vn-summary-hi {
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px dashed var(--border-subtle);
}

/* ===== Detailed Analysis (collapsible) ===== */
.vn-details {
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 12px 14px;
}

.vn-details-toggle {
    cursor: pointer;
    user-select: none;
    list-style: none;
    display: flex;
    align-items: center;
    gap: 6px;
}

.vn-details-toggle::-webkit-details-marker { display: none; }

.vn-details-toggle::before {
    content: '\u203A';
    font-size: 1.1rem;
    transition: transform 0.3s ease;
    display: inline-block;
}

.vn-details[open] .vn-details-toggle::before {
    transform: rotate(90deg);
}

/* ===== Evidence Cards (Result) ===== */
.vn-evidence-grid {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.vn-evidence-card {
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    border: 1px solid var(--border);
    transition: border-color 0.3s ease, transform 0.3s ease;
}

.vn-evidence-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.vn-evidence-head {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
}

.vn-evidence-badge {
    font-size: 0.6rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.vn-trust-high { background: rgba(52, 211, 153, 0.12); color: var(--success); border: 1px solid rgba(52, 211, 153, 0.2); }
.vn-trust-medium { background: rgba(251, 191, 36, 0.12); color: var(--warning); border: 1px solid rgba(251, 191, 36, 0.2); }
.vn-trust-low { background: rgba(239, 68, 68, 0.12); color: #ef4444; border: 1px solid rgba(239, 68, 68, 0.2); }

.vn-evidence-name {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--text-primary);
}

.vn-evidence-snippet {
    font-size: 0.78rem;
    color: var(--text-secondary);
    line-height: 1.5;
    font-style: italic;
    margin: 0 0 8px;
}

.vn-evidence-open {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent);
    transition: gap 0.2s ease;
}

.vn-evidence-open:hover { gap: 8px; }

/* ===== Verification Details ===== */
.vn-vdetails-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
}

.vn-vdetail {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.vn-vdetail-k {
    font-size: 0.68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-tertiary);
}

.vn-vdetail-v {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* ===== Report Header Meta ===== */
.vn-report-headmeta {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.vn-report-id {
    font-size: 0.68rem;
    font-weight: 600;
    color: var(--text-tertiary);
    font-variant-numeric: tabular-nums;
}

/* Verdict badge & box variants */
.results-verdict-badge.vn-verdict-positive { background: rgba(52, 211, 153, 0.12); color: var(--success); }
.results-verdict-badge.vn-verdict-negative { background: rgba(239, 68, 68, 0.12); color: #ef4444; }
.results-verdict-badge.vn-verdict-neutral { background: rgba(251, 191, 36, 0.12); color: var(--warning); }

.result-verdict-box.vn-verdict-box-positive { background: rgba(52, 211, 153, 0.06); border-color: rgba(52, 211, 153, 0.15); }
.result-verdict-box.vn-verdict-box-negative { background: rgba(239, 68, 68, 0.06); border-color: rgba(239, 68, 68, 0.15); }
.result-verdict-box.vn-verdict-box-negative .result-verdict-icon { background: rgba(239, 68, 68, 0.15); color: #ef4444; }
.result-verdict-box.vn-verdict-box-neutral { background: rgba(251, 191, 36, 0.06); border-color: rgba(251, 191, 36, 0.15); }
.result-verdict-box.vn-verdict-box-neutral .result-verdict-icon { background: rgba(251, 191, 36, 0.15); color: var(--warning); }

.vn-verdict-pop { animation: vnVerdictPop 0.6s cubic-bezier(0.34, 1.56, 0.64, 1); }
@keyframes vnVerdictPop {
    0% { transform: scale(0.96); opacity: 0.6; }
    60% { transform: scale(1.02); }
    100% { transform: scale(1); opacity: 1; }
}

/* ===== Feedback Widget ===== */
.vn-feedback-actions {
    display: flex;
    gap: 10px;
    margin-top: 4px;
}

.vn-feedback-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: var(--radius-full);
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: all 0.25s ease;
}

.vn-feedback-btn:hover:not(:disabled) {
    border-color: var(--accent);
    color: var(--text-primary);
    transform: translateY(-1px);
}

.vn-feedback-btn.selected {
    background: var(--accent-subtle);
    border-color: var(--accent);
    color: var(--accent);
}

.vn-feedback-btn:disabled {
    cursor: default;
    opacity: 0.6;
}

.vn-feedback-btn.selected:disabled {
    opacity: 1;
}

.vn-feedback-thanks {
    margin-top: 10px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--success);
    animation: panelFadeIn 0.4s ease;
}

/* ===== Action Buttons ===== */
.vn-actions-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 4px;
}

.vn-action-btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 9px 16px;
    border-radius: var(--radius-full);
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: all 0.25s ease;
}

.vn-action-btn:hover:not(:disabled) {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-1px);
}

.vn-action-btn.vn-action-done {
    background: var(--accent-subtle);
    border-color: var(--accent);
    color: var(--accent);
}

.vn-action-soon {
    opacity: 0.45;
    cursor: not-allowed;
    position: relative;
}

.vn-action-soon::after {
    content: 'Soon';
    font-size: 0.55rem;
    font-weight: 700;
    padding: 1px 5px;
    border-radius: var(--radius-full);
    background: var(--bg-card);
    color: var(--text-tertiary);
    text-transform: uppercase;
}

/* ===== Error View ===== */
.vn-error-view {
    display: flex;
    gap: 16px;
    padding: 24px;
    border-radius: var(--radius);
    background: rgba(239, 68, 68, 0.06);
    border: 1px solid rgba(239, 68, 68, 0.18);
    animation: panelFadeIn 0.4s ease;
}

.vn-error-icon {
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(239, 68, 68, 0.12);
    color: #ef4444;
}

.vn-error-body {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.vn-error-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.vn-error-message {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.vn-retry-btn {
    align-self: flex-start;
    margin-top: 10px;
    padding: 9px 18px;
    font-size: 0.85rem;
}

/* ===== Video Tab Enhancements ===== */
.video-examples {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

.video-examples-label {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-tertiary);
}

.video-examples code {
    font-size: 0.74rem;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    padding: 3px 9px;
    border-radius: var(--radius-sm);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
}

.platform-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.platform-badge {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 7px 14px;
    border-radius: var(--radius-full);
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: all 0.25s ease;
}

.platform-badge svg {
    color: var(--accent);
    flex-shrink: 0;
}

.platform-badge:hover {
    border-color: var(--accent);
    color: var(--text-primary);
    transform: translateY(-2px);
}

/* ===== Coming Soon Features ===== */
.coming-features {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, auto);
    gap: 10px 24px;
    margin: 0;
    padding: 0;
    justify-content: center;
}

.coming-features li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.coming-features li svg {
    color: var(--accent);
    flex-shrink: 0;
}

.notify-btn {
    transition: all 0.25s ease;
}

.notify-btn.notified {
    background: var(--accent-subtle);
    border-color: var(--accent);
    color: var(--accent);
}

@media (max-width: 480px) {
    .coming-features {
        grid-template-columns: 1fr;
        justify-content: start;
        text-align: left;
        max-width: 240px;
    }

    .vn-vdetails-grid {
        grid-template-columns: 1fr;
    }
}

/* Reduced motion for new components */
@media (prefers-reduced-motion: reduce) {
    .vn-step-dot,
    .vn-verdict-pop,
    .result-bar-fill {
        animation: none !important;
        transition: none !important;
    }
}