/* ========================================
   CSS Variables - Warm Sage + Terracotta Design System
   Philosophy: Warm, approachable, human - NOT tech/cold
   ======================================== */
:root {
    /* Primary - Sage Green */
    --primary-50: #F0FDF4;
    --primary-100: #DCFCE7;
    --primary-200: #B7E4C7;
    --primary-300: #95D5B2;
    --primary-400: #74C69D;
    --primary-500: #52B788;
    --primary-600: #40916C;
    --primary-700: #2D6A4F;
    --primary-800: #1B4332;
    --primary-900: #081C15;

    /* Accent - Terracotta */
    --accent-50: #FEF3EC;
    --accent-100: #FDE7D6;
    --accent-200: #FBCFB0;
    --accent-300: #F0A77A;
    --accent-400: #E18144;
    --accent-500: #D4815B;
    --accent-600: #C46A45;
    --accent-700: #A35332;

    /* Background - Warm Tones */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F8F6F4;
    --bg-elevated: #FFFFFF;
    --bg-dark: #3D3630;
    --bg-gradient: linear-gradient(180deg, #F8F6F4 0%, #FFFFFF 100%);

    /* Text - Warm Dark */
    --text-primary: #3D3630;
    --text-secondary: #7D7267;
    --text-muted: #A69D93;
    --text-inverse: #FFFFFF;

    /* Borders - Warm Gray */
    --border-subtle: #E8E4E0;
    --border-default: #D4CFC8;
    --border-strong: #A69D93;

    /* Shadows - Warm Tones */
    --shadow-sm: 0 1px 3px rgba(61, 54, 48, 0.06);
    --shadow-md: 0 4px 12px rgba(61, 54, 48, 0.08);
    --shadow-lg: 0 8px 24px rgba(61, 54, 48, 0.12);
    --shadow-xl: 0 16px 48px rgba(61, 54, 48, 0.16);

    /* Spacing */
    --space-4: 1rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;

    /* Border Radius - Softer */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-2xl: 28px;

    /* Typography */
    --font-sans: 'Inter', 'Noto Sans SC', system-ui, -apple-system, sans-serif;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.7;
    min-height: 100vh;
}

/* ========================================
   Layout
   ======================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}

/* ========================================
   Main Content Area
   ======================================== */
.main {
    /* Content starts after header naturally */
}

/* ========================================
   Header - Minimal, Warm
   ======================================== */
.header {
    position: relative;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-subtle);
    z-index: 100;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-primary);
}

.logo-icon {
    width: 36px;
    height: 36px;
    padding: 7px;
    background: var(--primary-500);
    border-radius: 8px;
    color: white;
}

.logo-text {
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.nav {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-link {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

/* ========================================
   Hero Section - Warm & Human
   ======================================== */
.hero {
    text-align: center;
    padding: 48px 0 40px;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: -60px;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(82, 183, 136, 0.08) 0%, rgba(212, 129, 91, 0.04) 40%, transparent 70%);
    pointer-events: none;
    z-index: -1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 12px;
    background: var(--primary-100);
    border: 1px solid var(--primary-200);
    border-radius: 100px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--primary-700);
    margin-top: 8px;
}

.hero-badge-dot {
    width: 8px;
    height: 8px;
    background: var(--primary-500);
    border-radius: 50%;
}

.hero-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.hero-title .highlight {
    color: var(--primary-600);
    position: relative;
}

/* ========================================
   Tool Card - Clean & Warm
   ======================================== */
.tool-card {
    margin-top: 24px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

/* Mode Tabs - Simple Tabs */
.mode-tabs {
    display: flex;
    gap: 8px;
    padding: 8px 12px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-subtle);
}

.mode-tab {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 8px 12px;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.mode-tab:hover {
    color: var(--primary-700);
    background: var(--primary-50);
}

.mode-tab.active {
    background: var(--bg-elevated);
    color: var(--primary-600);
    box-shadow: var(--shadow-sm);
}

.mode-tab svg {
    width: 18px;
    height: 18px;
}

/* Tool Content */
.tool-content {
    padding: 16px;
    text-align: left;
}

/* ========================================
   Upload Zone - Warm & Friendly
   ======================================== */
.upload-zone {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 140px;
    padding: 20px;
    border: 2px dashed var(--primary-200);
    border-radius: 12px;
    background: var(--bg-secondary);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.upload-zone:hover {
    border-color: var(--primary-400);
    background: var(--primary-50);
}

.upload-zone.drag-over {
    border-color: var(--primary-500);
    background: var(--primary-100);
    border-style: solid;
}

.upload-zone.hidden {
    display: none;
}

.upload-icon {
    width: 40px;
    height: 40px;
    margin-bottom: 12px;
    padding: 8px;
    background: var(--primary-100);
    border-radius: 8px;
    color: var(--primary-600);
}

.upload-title {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.upload-subtitle {
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.upload-formats {
    display: flex;
    gap: 8px;
    margin-top: 8px;
}

.format-tag {
    padding: 2px 8px;
    background: var(--bg-elevated);
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.upload-input {
    display: none;
}

/* ========================================
   Preview Section
   ======================================== */
.preview-container {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    display: none;
}

.preview-container.visible {
    display: block;
}

.preview-image {
    display: block;
    width: 100%;
    max-height: 240px;
    object-fit: contain;
    background: var(--bg-secondary);
}

.preview-overlay {
    position: absolute;
    top: 8px;
    right: 8px;
    display: flex;
    gap: 8px;
}

.preview-btn {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border: 1px solid var(--border-default);
    border-radius: 6px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.preview-btn:hover {
    background: var(--accent-500);
    border-color: var(--accent-500);
    color: white;
}

.preview-btn svg {
    width: 16px;
    height: 16px;
}

/* ========================================
   Process Button
   ======================================== */
.process-section {
    margin-top: 12px;
    display: none;
}

.process-section.visible {
    display: block;
}

.btn-process {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px;
    font-size: 0.9375rem;
    font-weight: 600;
    color: white;
    background: var(--primary-600);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all var(--transition-fast);
    box-shadow: 0 4px 12px rgba(82, 183, 136, 0.25);
}

.btn-process:hover:not(:disabled) {
    background: var(--primary-700);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(82, 183, 136, 0.3);
}

.btn-process:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-process svg {
    width: 18px;
    height: 18px;
}

/* ========================================
   Loading State - Warm & Friendly
   ======================================== */
.loading-container {
    margin-top: 12px;
    display: none;
}

.loading-container.visible {
    display: block;
}

.loading-card {
    padding: 20px;
    text-align: center;
    background: var(--bg-secondary);
    border-radius: 12px;
}

.loading-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 8px;
}

.loading-dot {
    width: 8px;
    height: 8px;
    background: var(--primary-400);
    border-radius: 50%;
    animation: bounce 1.4s infinite ease-in-out both;
}

.loading-dot:nth-child(1) { animation-delay: -0.32s; }
.loading-dot:nth-child(2) { animation-delay: -0.16s; }

@keyframes bounce {
    0%, 80%, 100% { transform: scale(0.8); opacity: 0.5; }
    40% { transform: scale(1.2); opacity: 1; }
}

.loading-text {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* ========================================
   Result Section - Warm Design
   ======================================== */
.result-container {
    margin-top: 12px;
    display: none;
}

.result-container.visible {
    display: block;
}

.result-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px;
    background: var(--primary-50);
    border-bottom: 1px solid var(--primary-100);
}

.result-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-700);
}

.result-title svg {
    width: 16px;
    height: 16px;
    color: var(--primary-500);
}

.result-meta {
    font-size: 0.8125rem;
    color: var(--primary-600);
}

.result-content {
    padding: 16px;
    max-height: 240px;
    overflow-y: auto;
    font-size: 0.875rem;
    line-height: 1.7;
    color: var(--text-primary);
    background: white;
    white-space: pre-wrap;
    word-break: break-word;
}

/* Custom Scrollbar */
.result-content::-webkit-scrollbar {
    width: 6px;
}

.result-content::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

.result-content::-webkit-scrollbar-thumb {
    background: var(--primary-200);
    border-radius: 9999px;
}

.result-content::-webkit-scrollbar-thumb:hover {
    background: var(--primary-300);
}

/* Action Buttons */
.action-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 16px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-subtle);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 8px 16px;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
}

.btn svg {
    width: 16px;
    height: 16px;
}

.btn-primary {
    background: var(--primary-600);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-700);
}

.btn-secondary {
    background: white;
    color: var(--text-primary);
    border: 1px solid var(--border-default);
}

.btn-secondary:hover {
    background: var(--bg-secondary);
    border-color: var(--border-strong);
}

/* ========================================
   Section Common Styles
   ======================================== */
.section-header {
    text-align: center;
    margin-bottom: 16px;
}

.section-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.section-subtitle {
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

/* ========================================
   How It Works - Warm Cards
   ======================================== */
.how-it-works {
    padding: 40px 0;
}

.how-it-works .section-header {
    text-align: center;
    margin-bottom: 24px;
}

.how-it-works .section-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
    letter-spacing: -0.02em;
}

.how-it-works .section-subtitle {
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.step-card {
    position: relative;
    padding: 20px 16px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.step-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-200);
}

.step-icon-wrapper {
    position: relative;
    width: 48px;
    height: 48px;
    margin: 0 auto 12px;
}

.step-icon-bg {
    position: absolute;
    inset: 0;
    background: var(--primary-100);
    border-radius: 50%;
}

.step-icon {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-600);
    z-index: 1;
}

.step-icon svg {
    width: 24px;
    height: 24px;
}

.step-number {
    position: absolute;
    top: -4px;
    right: -4px;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-600);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 50%;
    box-shadow: var(--shadow-sm);
}

.step-title {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.step-desc {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.step-arrow {
    display: none;
}

/* ========================================
   FAQ Section - Warm Design
   ======================================== */
.faq-section {
    padding-top: 40px;
    border-top: 1px solid var(--border-subtle);
}

.faq-list {
    text-align: left;
}

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

.faq-item:last-child {
    border-bottom: none;
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 12px 0;
    cursor: pointer;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-primary);
    transition: color var(--transition-fast);
}

.faq-question:hover {
    color: var(--primary-600);
}

.faq-question span {
    flex: 1;
}

.faq-icon {
    width: 18px;
    height: 18px;
    color: var(--text-secondary);
    transition: transform var(--transition-fast);
    flex-shrink: 0;
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal), padding var(--transition-normal);
}

.faq-item.active .faq-answer {
    max-height: 120px;
    padding-bottom: 12px;
}

.faq-answer p {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ========================================
   Tips Section - Warm Design
   ======================================== */
.tips-section {
    padding-top: 40px;
    border-top: 1px solid var(--border-subtle);
}

.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 16px;
}

.tip-card {
    padding: 16px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    text-align: center;
}

.tip-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 8px;
    background: var(--accent-100);
    border-radius: 10px;
    color: var(--accent-500);
}

.tip-icon svg {
    width: 18px;
    height: 18px;
}

.tip-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.tip-desc {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* ========================================
   Statistics Bar - Warm Design
   ======================================== */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin: 40px 0;
    padding: 16px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
}

.stat-item {
    text-align: center;
    padding: 8px 12px;
}

.stat-item:not(:last-child) {
    border-right: 1px solid var(--border-subtle);
}

.stat-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-600);
    line-height: 1.2;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

/* ========================================
   Use Cases Section - Warm
   ======================================== */
.use-cases {
    padding-top: 40px;
    border-top: 1px solid var(--border-subtle);
}

.use-cases-header {
    text-align: center;
    margin-bottom: 24px;
}

.use-cases-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.use-cases-subtitle {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.use-case-card {
    position: relative;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    transition: all var(--transition-normal);
    overflow: hidden;
}

.use-case-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--primary-500);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.use-case-card:hover {
    border-color: var(--primary-200);
    box-shadow: var(--shadow-md);
}

.use-case-card:hover::before {
    opacity: 1;
}

.use-case-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-50);
    border-radius: 10px;
    color: var(--primary-600);
}

.use-case-icon svg {
    width: 20px;
    height: 20px;
}

.use-case-content h4 {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.use-case-content p {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ========================================
   Stats Highlight - Clean Cards
   ======================================== */
.stats-highlight {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.stat-card {
    position: relative;
    padding: 16px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-200);
}

.stat-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 12px;
    background: var(--primary-100);
    border-radius: 50%;
    color: var(--primary-600);
}

.stat-icon svg {
    width: 20px;
    height: 20px;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-600);
    line-height: 1;
    letter-spacing: -0.02em;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.stat-desc {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* ========================================
   Comparison Section - Warm Design
   ======================================== */
.comparison {
    padding: 24px 0;
    margin: 24px 0;
    background: var(--bg-secondary);
    border-radius: 16px;
}

.comparison .section-header {
    margin-bottom: 16px;
}

.comparison-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.comparison-card {
    padding: 20px;
    background: var(--bg-elevated);
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
}

.comparison-card.manual {
    border: 1px solid var(--border-subtle);
}

.comparison-card.ai {
    border: 2px solid var(--primary-500);
    position: relative;
}

.comparison-card.ai::before {
    content: '推荐';
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 20px;
    background: var(--primary-600);
    color: white;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 100px;
    box-shadow: var(--shadow-md);
}

.comparison-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.comparison-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
}

.comparison-card.manual .comparison-icon {
    background: var(--accent-100);
    color: var(--accent-500);
}

.comparison-card.ai .comparison-icon {
    background: var(--primary-100);
    color: var(--primary-600);
}

.comparison-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.comparison-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.comparison-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9375rem;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-subtle);
}

.comparison-item:last-child {
    border-bottom: none;
}

.comparison-item-label {
    color: var(--text-secondary);
}

.comparison-item-value {
    font-weight: 500;
    color: var(--text-primary);
}

.comparison-card.manual .comparison-item-value {
    color: var(--text-muted);
}

.comparison-card.ai .comparison-item-value {
    color: var(--primary-700);
}

.comparison-verdict {
    margin-top: 16px;
    padding: 12px;
    border-radius: 8px;
    font-size: 0.9375rem;
    font-weight: 600;
    text-align: center;
}

.comparison-card.manual .comparison-verdict {
    background: var(--bg-secondary);
    color: var(--text-muted);
}

.comparison-card.ai .comparison-verdict {
    background: var(--primary-100);
    color: var(--primary-700);
}

/* ========================================
   Trust Badges - Warm Design
   ======================================== */
.trust-section {
    margin-top: 24px;
    padding: 16px;
    background: var(--bg-secondary);
    border-radius: 16px;
    text-align: center;
}

.trust-badges {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-top: 12px;
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.trust-badge svg {
    width: 16px;
    height: 16px;
    color: var(--primary-500);
}

/* ========================================
   Features Section - Warm
   ======================================== */
.features {
    padding-top: 40px;
    border-top: 1px solid var(--border-subtle);
}

.features-header {
    text-align: center;
    margin-bottom: 24px;
}

.features-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.features-subtitle {
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.feature-card {
    padding: 12px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    text-align: center;
    transition: all var(--transition-normal);
}

.feature-card:hover {
    border-color: var(--primary-200);
    box-shadow: var(--shadow-sm);
}

.feature-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 8px;
    background: var(--primary-50);
    border-radius: 10px;
    color: var(--primary-600);
}

.feature-icon svg {
    width: 18px;
    height: 18px;
}

.feature-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.feature-desc {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* ========================================
   Footer - Warm Design
   ======================================== */
.footer {
    margin-top: 40px;
    padding: 32px 0 24px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-subtle);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-subtle);
}

.footer-brand {
    max-width: 240px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 8px;
}

.footer-logo-icon {
    width: 24px;
    height: 24px;
    color: var(--primary-600);
}

.footer-tagline {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.footer-column h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.footer-column a {
    display: block;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 4px;
    transition: color var(--transition-fast);
}

.footer-column a:hover {
    color: var(--primary-600);
}

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

.footer-bottom p {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.footer-bottom p:first-child {
    margin-bottom: 4px;
}

/* Mobile Footer */
@media (max-width: 640px) {
    .header {
        padding: 0 16px;
        height: 56px;
    }

    .container {
        padding: 0 16px;
    }

    .hero {
        padding: 32px 0 24px;
    }

    .hero-title {
        font-size: 1.625rem;
    }

    .hero-badge {
        font-size: 0.7rem;
        padding: 3px 8px;
    }

    .quick-tips-banner {
        flex-direction: row;
        margin-top: 12px;
    }
            grid-template-columns: 1fr;
            gap: 12px;
        }

        .step-card {
            padding: 16px;
        }

        .stats-highlight {
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
        }

        .stat-card {
            padding: 12px;
        }

        .stat-icon {
            width: 36px;
            height: 36px;
        }

        .stat-icon svg {
            width: 16px;
            height: 16px;
        }

        .stat-value {
            font-size: 1.25rem;
        }

        .features {
            margin-top: 32px;
            padding-top: 24px;
        }

        .features-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
        }

        .faq-section {
            margin-top: 32px;
            padding-top: 24px;
        }

        .tips-section {
            margin-top: 32px;
            padding-top: 24px;
        }

        .tips-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
        }

        .footer {
            padding: 16px 0 12px;
        }

        .footer-content {
            grid-template-columns: 1fr;
            gap: 16px;
        }

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

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

/* ========================================
   Toast Notification - Warm Design
   ======================================== */
.toast {
    position: fixed;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: var(--bg-dark);
    border-radius: 12px;
    font-size: 0.875rem;
    font-weight: 500;
    color: white;
    opacity: 0;
    transition: all var(--transition-normal);
    z-index: 200;
    box-shadow: var(--shadow-lg);
}

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

.toast svg {
    width: 18px;
    height: 18px;
}

.toast.success svg { color: var(--primary-400); }
.toast.error svg { color: var(--accent-400); }