/* ===================================
   CSS VARIABLES & DESIGN SYSTEM
   =================================== */
:root {
    /* Colors - Neo-Brutalist Romance Palette */
    --color-primary: #FF4D8F;
    --color-primary-dark: #FF6B6B;
    --color-secondary: #6C5CE7;
    --color-secondary-dark: #1A1D2E;
    --color-accent: #00D9A3;
    --color-accent-warm: #FFB84D;
    --color-bg: #FFF8F0;
    --color-bg-alt: #FFFFFF;
    --color-text: #2D2D2D;
    --color-text-light: #6B6B6B;
    --color-border: rgba(45, 45, 45, 0.1);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #FF4D8F 0%, #FF6B6B 100%);
    --gradient-secondary: linear-gradient(135deg, #6C5CE7 0%, #1A1D2E 100%);
    --gradient-mesh: radial-gradient(at 0% 0%, rgba(255, 77, 143, 0.2) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(108, 92, 231, 0.2) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(0, 217, 163, 0.2) 0px, transparent 50%),
        radial-gradient(at 0% 100%, rgba(255, 184, 77, 0.2) 0px, transparent 50%);

    /* Typography */
    --font-display: 'Space Grotesk', sans-serif;
    --font-body: 'Manrope', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 30px 80px rgba(0, 0, 0, 0.25);

    /* Transitions */
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --transition-smooth: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
}

/* ===================================
   RESET & BASE STYLES
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

/* ===================================
   3D BACKGROUND CANVAS
   =================================== */
#bg-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

/* ===================================
   UTILITY CLASSES
   =================================== */
.hidden {
    display: none !important;
}

.glass {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===================================
   HEADER & NAVIGATION
   =================================== */
.header {
    position: relative;
    z-index: 1000;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
}

.nav {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    font-weight: 700;
    cursor: pointer;
    transition: transform var(--transition-base);
}

.brand-logo {
    height: 38px;
    width: auto;
    object-fit: contain;
    transition: transform var(--transition-base);
}

.nav-logo:hover .brand-logo {
    transform: scale(1.05);
}

.back-to-home-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: var(--radius-full);
    background: rgba(0, 0, 0, 0.04);
    color: var(--color-text);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all var(--transition-base);
    border: 1px solid transparent;
}

.back-to-home-btn:hover {
    background: white;
    box-shadow: var(--shadow-sm);
    border-color: var(--color-border);
    transform: translateY(-1px);
}

.back-icon {
    font-size: 1.1rem;
    transition: transform 0.2s ease;
}

.back-to-home-btn:hover .back-icon {
    transform: translateX(-3px);
}

.nav-logo:hover {
    transform: scale(1.05);
}

.logo-icon {
    font-size: 1.8rem;
    animation: float 3s ease-in-out infinite;
}

.logo-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-link {
    font-family: var(--font-body);
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--color-text);
    text-decoration: none;
    position: relative;
    padding: 8px 16px;
    border-radius: 50px;
    transition: all var(--transition-base);
}

.nav-link::after {
    display: none;
    /* Remove bottom underline in favor of pill wrapper */
}

.nav-link:hover {
    color: var(--color-primary);
    background: rgba(255, 77, 143, 0.08);
    /* Light primary color wrapper */
    transform: translateY(-2px);
}

.nav-link:hover::after {
    display: none;
}

/* ===================================
   HERO SECTION
   =================================== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-3xl) var(--spacing-lg);
    position: relative;
    text-align: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-mesh);
    opacity: 0.4;
    z-index: -1;
}

.hero-content {
    max-width: 900px;
    animation: slideInUp 0.8s ease-out;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    animation: float 3s ease-in-out infinite;
}

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

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 1rem 2rem;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--radius-lg);
    font-family: var(--font-body);
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.cta-button:active {
    transform: translateY(-2px) scale(0.98);
}

/* --- Hero Action Cards --- */
.hero-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.action-card {
    background: white;
    padding: 40px 32px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    text-align: center;
}

.action-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    opacity: 0;
    transition: opacity var(--transition-base);
    z-index: 0;
}

.action-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.action-card:hover::before {
    opacity: 0.04;
}

.action-card.action-primary {
    border: 2px solid var(--color-primary);
}

.action-card.action-secondary {
    border: 2px solid var(--color-secondary);
}

.action-card-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    position: relative;
    z-index: 1;
}

.action-card h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
    position: relative;
    z-index: 1;
}

.action-card p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
    position: relative;
    z-index: 1;
    line-height: 1.5;
}

.action-btn {
    width: 100%;
    padding: 16px 32px;
    font-size: 1.1rem;
    font-weight: 700;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    z-index: 1;
    font-family: var(--font-body);
}

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

.action-btn-secondary {
    background: linear-gradient(135deg, var(--color-secondary), #8B5CF6);
    color: white;
}

.action-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.action-card.action-tertiary {
    border: 2px solid #8B5CF6;
}

.action-btn-tertiary {
    background: linear-gradient(135deg, #8B5CF6, #EC4899);
    color: white;
}

.action-card.action-quaternary {
    border: 2px solid #00D9A3;
}

.action-btn-quaternary {
    background: linear-gradient(135deg, #00D9A3, #00B894);
    color: white;
}

.action-card.action-quinary {
    border: 2px solid #FF8C42;
}

.action-btn-quinary {
    background: linear-gradient(135deg, #FF8C42, #FF3C38);
    color: white;
}

/* 2-col at medium screens for up to 5 cards (last card spans 2 if odd) */
@media (max-width: 1200px) and (min-width: 769px) {
    .hero-actions {
        grid-template-columns: repeat(2, 1fr);
    }

    .action-card:last-child:nth-child(odd) {
        grid-column: span 2;
        max-width: 600px;
        margin: 0 auto;
        width: 100%;
    }
}

/* Ensure 5 cards on huge screens don't get too squished by forcing max 3 per row on desktop */
@media (min-width: 1201px) {
    .hero-actions {
        grid-template-columns: repeat(3, 1fr);
    }

    /* Centering the bottom row of 2 cards (4th and 5th) */
    .action-card:nth-child(4) {
        grid-column-start: 1;
        transform: translateX(50%);
    }

    .action-card:nth-child(5) {
        grid-column-start: 2;
        transform: translateX(50%);
    }
}

.action-stats-badge {
    margin-top: var(--spacing-md);
    font-size: 0.85rem;
    color: var(--color-text-light);
    font-weight: 600;
    position: relative;
    z-index: 1;
}

/* --- Hero Trust Indicators --- */
.hero-trust {
    display: flex;
    justify-content: center;
    gap: var(--spacing-2xl);
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.trust-number {
    font-family: var(--font-mono);
    font-size: 2rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.trust-label {
    font-size: 0.9rem;
    color: var(--color-text-light);
    font-weight: 600;
    margin-top: 4px;
}

/* Keep old stat classes for compatibility */
.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat-number {
    font-family: var(--font-mono);
    font-size: 2rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin-top: var(--spacing-xs);
}

/* ===================================
   UPLOAD SECTION
   =================================== */
.upload-section {
    padding: var(--spacing-3xl) var(--spacing-lg);
    max-width: 900px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-light);
}

.upload-zone {
    background: white;
    border: 3px dashed var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-3xl);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.upload-zone::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-mesh);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.upload-zone:hover::before {
    opacity: 0.1;
}

/* --- Input Toggle --- */
.input-toggle {
    display: flex;
    justify-content: center;
    gap: 8px;
    background: rgba(255, 77, 143, 0.05);
    padding: 6px;
    border-radius: 30px;
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
}

.toggle-btn {
    background: transparent;
    border: none;
    padding: 10px 24px;
    border-radius: 30px;
    font-weight: 600;
    color: rgba(0, 0, 0, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-body);
}

.toggle-btn:hover {
    color: var(--color-text);
}

.toggle-btn.active {
    background: white;
    color: var(--color-primary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

/* --- Text Input Zone --- */
.text-zone {
    width: 100%;
}

.text-input {
    width: 100%;
    min-height: 200px;
    padding: 24px;
    border: 2px solid rgba(255, 77, 143, 0.2);
    border-radius: 16px;
    font-family: var(--font-body);
    font-size: 1.05rem;
    line-height: 1.6;
    resize: vertical;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.8);
}

.text-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(255, 77, 143, 0.1);
    background: white;
}

.upload-zone.drag-over {
    border-color: var(--color-primary);
    background: rgba(255, 77, 143, 0.05);
    transform: scale(1.02);
}

.upload-zone.drag-over::before {
    opacity: 0.2;
}

.upload-icon {
    margin-bottom: var(--spacing-md);
    animation: float 3s ease-in-out infinite;
}

.upload-icon svg {
    stroke: var(--color-primary);
}

.upload-text {
    margin-bottom: var(--spacing-lg);
}

.upload-primary {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

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

.upload-button {
    padding: 0.875rem 2rem;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
}

.upload-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Preview Container */
.preview-container {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    animation: slideInUp 0.5s ease-out;
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.preview-header h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
}

.preview-close {
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    color: var(--color-text-light);
    transition: all var(--transition-base);
    border-radius: var(--radius-sm);
}

.preview-close:hover {
    background: rgba(0, 0, 0, 0.05);
    color: var(--color-text);
}

.preview-image-wrapper {
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: var(--spacing-md);
    max-height: 500px;
    display: flex;
    justify-content: center;
    align-items: center;
    background: var(--color-bg);
}

.preview-image-wrapper img {
    max-width: 100%;
    max-height: 500px;
    object-fit: contain;
}

.analyze-button {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 1rem;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
}

.analyze-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Loading Container */
.loading-container {
    text-align: center;
    padding: var(--spacing-2xl);
    animation: slideInUp 0.5s ease-out;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(255, 77, 143, 0.2);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    margin: 0 auto var(--spacing-lg);
    animation: spin 1s linear infinite;
}

.loading-text {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.loading-tip {
    font-size: 1rem;
    color: var(--color-text-light);
    font-style: italic;
}

/* ===================================
   RESULTS SECTION
   =================================== */
.results-section {
    padding: var(--spacing-3xl) var(--spacing-lg);
    max-width: 1200px;
    margin: 0 auto;
    animation: slideInUp 0.6s ease-out;
}

.suggestions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.suggestion-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    animation: slideInUp 0.5s ease-out backwards;
}

.suggestion-card:nth-child(1) {
    animation-delay: 0.1s;
}

.suggestion-card:nth-child(2) {
    animation-delay: 0.2s;
}

.suggestion-card:nth-child(3) {
    animation-delay: 0.3s;
}

.suggestion-card:nth-child(4) {
    animation-delay: 0.4s;
}

.suggestion-card:nth-child(5) {
    animation-delay: 0.5s;
}

.suggestion-card:hover {
    transform: translateY(-8px) rotate(-1deg);
    box-shadow: var(--shadow-xl);
}

.suggestion-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
}

.tone-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--gradient-primary);
    color: white;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.appropriateness-score {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-accent);
}

.suggestion-message {
    font-size: 1.125rem;
    line-height: 1.6;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-bg);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-primary);
}

.suggestion-explanation {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.copy-button {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 0.75rem;
    background: var(--color-secondary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
}

.copy-button:hover {
    background: var(--color-secondary-dark);
    transform: scale(1.02);
}

.copy-button.copied {
    background: var(--color-accent);
}

.suggestion-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.suggestion-actions .copy-button {
    flex: 1;
}

.like-button {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 1.25rem;
    background: white;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 600;
    transition: all var(--transition-base);
    color: var(--color-text);
}

.like-button:hover {
    border-color: var(--color-primary);
    background: var(--color-bg);
}

.like-button.liked {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
    cursor: default;
}

.like-count {
    font-size: 0.9em;
}

/* Feedback Card */
.feedback-card {
    background: var(--color-surface-hover);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-top: var(--spacing-xl);
    text-align: center;
    border: 1px solid var(--color-border);
    animation: fadeIn 0.5s ease-out;
}

.feedback-question {
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.feedback-actions {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
}

.feedback-btn {
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    border: 1px solid var(--color-border);
    background: white;
    cursor: pointer;
    transition: all var(--transition-base);
    font-size: 0.9rem;
}

.feedback-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.feedback-btn.yes:hover {
    background: #dcfce7;
    border-color: #22c55e;
    color: #15803d;
}

.feedback-btn.no:hover {
    background: #fee2e2;
    border-color: #ef4444;
    color: #b91c1c;
}

.feedback-thanks {
    font-weight: 500;
    color: var(--color-primary);
    animation: fadeIn 0.3s ease-out;
}

.results-actions {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
}

.secondary-button {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.875rem 1.5rem;
    background: white;
    color: var(--color-text);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.secondary-button:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Tips Container */
.tips-container {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

.tips-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.tips-list {
    list-style: none;
    padding: 0;
}

.tips-list li {
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    background: var(--color-bg);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--color-accent);
}

/* ===================================
   HOW IT WORKS SECTION
   =================================== */
.how-it-works {
    padding: var(--spacing-3xl) var(--spacing-lg);
    background: white;
}

.features-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.feature-card {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--color-bg);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-mesh);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.feature-card:hover::before {
    opacity: 0.3;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

/* Score Actions */
.score-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-top: var(--spacing-lg);
}

.reset-score-btn {
    padding: 0.875rem 1.5rem;
    background: white;
    /* Or a light gray/secondary color */
    color: var(--color-text);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-full);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.reset-score-btn:hover {
    border-color: var(--color-text);
    background: var(--color-bg);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.feature-number {
    font-family: var(--font-mono);
    font-size: 3rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    animation: float 3s ease-in-out infinite;
}

.feature-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.feature-description {
    color: var(--color-text-light);
    line-height: 1.6;
}

/* ===================================
   PRIVACY SECTION
   =================================== */
.privacy-section {
    padding: var(--spacing-3xl) var(--spacing-lg);
    max-width: 800px;
    margin: 0 auto;
}

.privacy-card {
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.privacy-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
}

.privacy-title {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.privacy-text {
    font-size: 1.125rem;
    color: var(--color-text-light);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.privacy-badges {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.privacy-badge {
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--color-accent);
    color: white;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
}

/* Upload Variant */
.privacy-card.upload-variant {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    border: 1px solid rgba(0, 0, 0, 0.05);
    background: rgba(255, 255, 255, 0.5);
}

.privacy-icon-small {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.privacy-title-small {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.privacy-text-small {
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.privacy-badges-small {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.privacy-badges-small .privacy-badge {
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    background: rgba(0, 217, 163, 0.1);
    color: var(--color-accent-dark, #00B88A);
    border: 1px solid rgba(0, 217, 163, 0.2);
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    background: var(--color-secondary-dark);
    color: white;
    padding: var(--spacing-2xl) var(--spacing-lg);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.7);
}

.footer-disclaimer {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* ===================================
   ANIMATIONS
   =================================== */
@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {

    0%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    50% {
        transform: translateX(-50%) translateY(-10px);
    }
}

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

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */
@media (max-width: 768px) {
    .nav-links {
        gap: var(--spacing-md);
    }

    .hero {
        padding: var(--spacing-2xl) var(--spacing-md);
        padding-top: calc(var(--spacing-2xl) + 60px);
    }

    .hero-stats {
        gap: var(--spacing-md);
    }

    .upload-section,
    .results-section {
        padding: var(--spacing-2xl) var(--spacing-md);
    }

    .upload-zone {
        padding: var(--spacing-xl);
    }

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

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

    .results-actions {
        flex-direction: column;
    }

    .secondary-button {
        width: 100%;
        justify-content: center;
    }
}

/* ===================================
   MOBILE RESPONSIVE - HERO
   =================================== */
@media (max-width: 768px) {
    .hero-actions {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .action-card {
        padding: 28px 20px;
    }

    .hero-trust {
        gap: var(--spacing-lg);
    }

    .trust-number {
        font-size: 1.5rem;
    }
}

/* ===================================
   ACCESSIBILITY
   =================================== */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}