/* Modern SaaS Landing Page - Dark Theme Inspired Design */
:root {
    /* Dark Theme Color Palette */
    --bg-primary: #0F1419;
    --bg-secondary: #1A1F2E;
    --bg-card: #252A3A;
    --bg-light: #FFFFFF;
    --bg-light-secondary: #F8FAFC;
    
    /* Text Colors */
    --text-primary: #FFFFFF;
    --text-secondary: #B8BCC8;
    --text-muted: #8B8FA3;
    --text-dark: #1E293B;
    --text-dark-secondary: #475569;
    
    /* Accent Colors */
    --accent-primary: #3B82F6;
    --accent-secondary: #10B981;
    --accent-purple: #8B5CF6;
    --accent-warning: #F59E0B;
    --accent-danger: #EF4444;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #3B82F6 0%, #8B5CF6 100%);
    --gradient-secondary: linear-gradient(135deg, #10B981 0%, #3B82F6 100%);
    --gradient-dark: linear-gradient(135deg, #0F1419 0%, #1A1F2E 100%);
    --gradient-light: linear-gradient(135deg, #FFFFFF 0%, #F8FAFC 100%);
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-2xl: 2rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.3);
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.025em;
}

/* Hero Section - Dark Background */
.hero-section {
    background: var(--gradient-dark);
    padding: var(--space-3xl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 20%, rgba(59, 130, 246, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

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

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    margin-bottom: var(--space-md);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2.5vw, 1.5rem);
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-form {
    max-width: 600px;
    margin: 0 auto var(--space-xl);
}

.lookup-form {
    background: var(--bg-card);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-2xl);
}

.input-group {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.form-input {
    flex: 1;
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-secondary);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-input::placeholder {
    color: var(--text-muted);
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-lg);
    white-space: nowrap;
}

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

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid rgba(255, 255, 255, 0.2);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    border-color: var(--accent-primary);
    background: rgba(59, 130, 246, 0.1);
}

.trust-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-lg);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    font-size: 0.875rem;
    color: var(--text-secondary);
    backdrop-filter: blur(10px);
}



/* Hero Section - Light Background */
.hero-section-light {
    background: var(--gradient-light);
    padding: var(--space-3xl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

/* FAQ Section */
.faq-section {
    background: var(--bg-light);
    padding: var(--space-3xl) 0;
}

.faq-content {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-light-secondary);
    border: 1px solid #E2E8F0;
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    margin-bottom: var(--space-lg);
    transition: all 0.3s ease;
}

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

.faq-question {
    color: var(--text-dark);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.faq-answer {
    color: var(--text-dark-secondary);
    font-size: 1rem;
    line-height: 1.7;
}

.hero-section-light::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 20%, rgba(59, 130, 246, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.hero-title-light {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    margin-bottom: var(--space-md);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle-light {
    font-size: clamp(1.125rem, 2.5vw, 1.5rem);
    color: var(--text-dark-secondary);
    margin-bottom: var(--space-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.lookup-form-light {
    background: var(--bg-light);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    border: 1px solid #E2E8F0;
    box-shadow: var(--shadow-lg);
}

.form-input-light {
    flex: 1;
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-light);
    border: 2px solid #E2E8F0;
    border-radius: var(--radius-md);
    color: var(--text-dark);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-input-light:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-input-light::placeholder {
    color: var(--text-dark-secondary);
}

.btn-primary-light {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-lg);
    white-space: nowrap;
}

.btn-primary-light:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.trust-badge-light {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-lg);
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 50px;
    font-size: 0.875rem;
    color: var(--text-dark-secondary);
}

/* Features Section - Light Background */
.features-section {
    background: var(--bg-light);
    padding: var(--space-3xl) 0;
}

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

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--text-dark);
    margin-bottom: var(--space-md);
}

.section-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-dark-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-xl);
}

.feature-card {
    background: var(--bg-light);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    border: 1px solid #E2E8F0;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
    text-align: center;
}

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

.feature-visual {
    margin-bottom: var(--space-lg);
}

.visual-placeholder {
    height: 120px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
    position: relative;
    overflow: hidden;
}

.visual-placeholder.instant-id {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
}

.visual-placeholder.spam-report {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(59, 130, 246, 0.1));
}

.visual-placeholder.privacy {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(245, 158, 11, 0.1));
}

.placeholder-content {
    color: var(--text-dark-secondary);
    font-weight: 500;
    font-style: italic;
}

.feature-title {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: var(--space-sm);
}

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

/* Scam Examples Section - Dark Background */
.scam-examples-section {
    background: var(--gradient-dark);
    padding: var(--space-3xl) 0;
}

.scam-examples-section .section-title {
    color: var(--text-primary);
}

.scam-examples-section .section-subtitle {
    color: var(--text-secondary);
}

.scam-content {
    max-width: 1000px;
    margin: 0 auto;
}

.scam-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
    margin-bottom: var(--space-3xl);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.scam-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.scam-item.reverse {
    direction: rtl;
}

.scam-item.reverse > * {
    direction: ltr;
}

.scam-title {
    font-size: 1.5rem;
    color: var(--accent-secondary);
    margin-bottom: var(--space-sm);
}

.scam-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

.scam-description strong {
    color: var(--text-primary);
}

.scam-visual .visual-placeholder {
    height: 200px;
}

.visual-placeholder.toll-scam {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.2), rgba(245, 158, 11, 0.2));
}

.visual-placeholder.package-scam {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.2), rgba(139, 92, 246, 0.2));
}

.visual-placeholder.political-scam {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.2), rgba(239, 68, 68, 0.2));
}

/* Final CTA Section - Dark Background */
.final-cta-section {
    background: var(--gradient-primary);
    padding: var(--space-3xl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.final-cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 70%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

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

.cta-title {
    font-size: clamp(2rem, 4vw, 3rem);
    color: white;
    margin-bottom: var(--space-md);
}

.cta-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-xl);
}

.btn-cta-large {
    background: white;
    color: var(--accent-primary);
    padding: var(--space-lg) var(--space-2xl);
    border-radius: var(--radius-lg);
    font-size: 1.125rem;
    font-weight: 700;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-xl);
}

.btn-cta-large:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-2xl);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
}

.modal-close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text-muted);
    cursor: pointer;
    padding: var(--space-xs);
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
}

.modal-close:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.modal-title {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.modal-subtitle {
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
}

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

.form-label {
    display: block;
    margin-bottom: var(--space-xs);
    font-weight: 500;
    color: var(--text-primary);
}

.full-width {
    width: 100%;
}

/* Results Styles */
.results {
    margin-top: var(--space-xl);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.results.warning {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1), rgba(245, 158, 11, 0.1));
    border-color: rgba(239, 68, 68, 0.3);
}

.results.clean {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(59, 130, 246, 0.1));
    border-color: rgba(16, 185, 129, 0.3);
}

.results-header {
    text-align: center;
    margin-bottom: var(--space-lg);
}

.warning-title {
    color: var(--accent-danger);
    margin-bottom: var(--space-sm);
}

.clean-title {
    color: var(--accent-secondary);
    margin-bottom: var(--space-sm);
}

.results-text {
    color: var(--text-secondary);
}

.results-actions {
    display: flex;
    gap: var(--space-sm);
    justify-content: center;
    flex-wrap: wrap;
}

.error-message {
    color: var(--accent-danger);
    font-size: 0.875rem;
    margin-top: var(--space-xs);
}

.success-message {
    text-align: center;
    margin-top: var(--space-lg);
}

.success-title {
    color: var(--accent-secondary);
    margin-bottom: var(--space-sm);
}

.success-text {
    color: var(--text-secondary);
}

/* Loading States */
.btn-primary.loading,
.btn-secondary.loading {
    opacity: 0.7;
    cursor: not-allowed;
}

.btn-primary.loading::after,
.btn-secondary.loading::after {
    content: '';
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-left: var(--space-xs);
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-sm);
    }
    
    .hero-section,
    .hero-section-light,
    .features-section,
    .scam-examples-section,
    .final-cta-section,
    .info-protection-section {
        padding: var(--space-2xl) 0;
    }
    
    .input-group {
        flex-direction: column;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .scam-item,
    .protection-item {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
        text-align: center;
    }
    
    .scam-item.reverse,
    .protection-item.reverse {
        direction: ltr;
    }
    
    .modal-content {
        padding: var(--space-lg);
        margin: var(--space-sm);
    }
    
    .results-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-primary,
    .btn-primary-light,
    .btn-secondary {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .lookup-form,
    .lookup-form-light {
        padding: var(--space-lg);
    }
    
    .feature-card {
        padding: var(--space-lg);
    }
    
    .visual-placeholder {
        height: 80px;
    }
    
    .scam-visual .visual-placeholder,
    .protection-visual .visual-placeholder {
        height: 120px;
    }
}

/* Information Protection Section - Light Background */
.info-protection-section {
    background: var(--bg-light);
    padding: var(--space-3xl) 0;
}

.protection-content {
    max-width: 1000px;
    margin: 0 auto;
}

.protection-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
    margin-bottom: var(--space-3xl);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid #E2E8F0;
}

.protection-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.protection-item.reverse {
    direction: rtl;
}

.protection-item.reverse > * {
    direction: ltr;
}

.protection-title {
    font-size: 1.5rem;
    color: var(--text-dark);
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.protection-description {
    color: var(--text-dark-secondary);
    line-height: 1.6;
}

.protection-visual .visual-placeholder {
    height: 200px;
}

.visual-placeholder.personal-codes {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1), rgba(245, 158, 11, 0.1));
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.visual-placeholder.official-apps {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(59, 130, 246, 0.1));
    border: 1px solid rgba(16, 185, 129, 0.2);
}