/* AI Profit Weekly Newsletter CSS */

/* Reset & Variables */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Professional color scheme - no rainbow colors */
    --primary-blue: #2563EB;
    --primary-blue-dark: #1D4ED8;
    --primary-blue-light: #3B82F6;

    --accent-green: #10B981;
    --accent-green-dark: #059669;
    --accent-green-light: #34D399;

    --neutral-gray-50: #F9FAFB;
    --neutral-gray-100: #F3F4F6;
    --neutral-gray-200: #E5E7EB;
    --neutral-gray-300: #D1D5DB;
    --neutral-gray-400: #9CA3AF;
    --neutral-gray-500: #6B7280;
    --neutral-gray-600: #4B5563;
    --neutral-gray-700: #374151;
    --neutral-gray-800: #1F2937;
    --neutral-gray-900: #111827;

    --text-primary: #0F172A;
    --text-secondary: #475569;
    --text-muted: #64748B;
    --text-white: #FFFFFF;

    --background-white: #FFFFFF;
    --background-light: #F8FAFC;
    --background-card: #FFFFFF;

    --border-light: #E2E8F0;
    --border-medium: #CBD5E1;

    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

    --gradient-primary: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
    --gradient-accent: linear-gradient(135deg, var(--accent-green), var(--accent-green-light));

    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', Monaco, Inconsolata, 'Roboto Mono', monospace;

    --transition-fast: 0.15s ease-out;
    --transition-normal: 0.2s ease-out;
    --transition-slow: 0.3s ease-out;
}

/* Base Styles */
body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation */
.nav {
    background: var(--background-white);
    border-bottom: 1px solid var(--border-light);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    font-size: 24px;
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
}

.nav-stats {
    display: flex;
    align-items: center;
    gap: 8px;
}

.stat-number {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary-blue);
    font-family: var(--font-mono);
}

.stat-label {
    font-size: 14px;
    color: var(--text-muted);
}

/* Hero Section */
.hero {
    padding: 80px 0 120px;
    background: linear-gradient(180deg, var(--background-white) 0%, var(--background-light) 100%);
}

.hero-content {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary-blue);
    color: var(--text-white);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 32px;
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.1;
    color: var(--text-primary);
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

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

.hero-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto 64px;
    line-height: 1.6;
}

/* Newsletter Preview */
.newsletter-preview {
    background: var(--background-card);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 64px;
    box-shadow: var(--shadow-xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 64px;
}

.preview-header {
    background: var(--neutral-gray-50);
    border-bottom: 1px solid var(--border-light);
    padding: 0;
}

.email-header {
    padding: 20px 24px;
}

.email-from {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.sender-avatar {
    width: 32px;
    height: 32px;
    background: var(--primary-blue);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
}

.sender-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 14px;
}

.sender-email {
    color: var(--text-muted);
    font-size: 12px;
}

.email-subject {
    font-size: 16px;
    color: var(--text-primary);
    font-weight: 500;
    line-height: 1.4;
}

.preview-content {
    padding: 32px 24px;
    text-align: left;
}

.preview-content h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 24px;
}

.content-sections {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.section h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: 8px;
}

.section p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Signup Section */
.signup-section {
    max-width: 600px;
    margin: 0 auto;
}

.signup-header {
    text-align: center;
    margin-bottom: 32px;
}

.signup-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.signup-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.highlight {
    color: var(--primary-blue);
    font-weight: 600;
}

.signup-form {
    margin-bottom: 32px;
}

.form-row {
    margin-bottom: 16px;
}

.input-group {
    display: flex;
    gap: 12px;
    background: var(--background-card);
    border: 2px solid var(--border-light);
    border-radius: 12px;
    padding: 4px;
    transition: border-color var(--transition-normal);
}

.input-group:focus-within {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.input-group input {
    flex: 1;
    border: none;
    outline: none;
    padding: 16px 20px;
    font-size: 16px;
    background: transparent;
    color: var(--text-primary);
}

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

.subscribe-btn {
    background: var(--gradient-primary);
    color: var(--text-white);
    border: none;
    padding: 16px 32px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

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

.form-guarantees {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

.guarantee-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: var(--text-muted);
}

.guarantee-icon {
    color: var(--accent-green);
}

.bonus-callout {
    display: flex;
    align-items: center;
    gap: 16px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05), rgba(16, 185, 129, 0.05));
    border: 1px solid rgba(37, 99, 235, 0.2);
    border-radius: 12px;
    padding: 20px;
}

.bonus-icon {
    font-size: 32px;
    flex-shrink: 0;
}

.bonus-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.bonus-description {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Benefits Section */
.benefits {
    padding: 120px 0;
    background: var(--background-light);
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-title {
    font-size: 40px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
    max-width: 1100px;
    margin: 0 auto;
}

.benefit-card {
    background: var(--background-card);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    padding: 32px;
    transition: all var(--transition-normal);
    cursor: default;
}

.benefit-card:hover {
    border-color: var(--primary-blue);
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.benefit-icon {
    font-size: 40px;
    margin-bottom: 20px;
    display: block;
}

.benefit-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.benefit-description {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
}

.benefit-example {
    font-size: 14px;
    color: var(--text-muted);
    font-style: italic;
    padding: 12px;
    background: var(--neutral-gray-50);
    border-radius: 8px;
    border-left: 3px solid var(--primary-blue);
}

/* Social Proof Section */
.social-proof {
    padding: 120px 0;
    background: var(--background-white);
}

.testimonials-slider {
    margin-bottom: 80px;
    overflow: hidden;
}

.testimonial-track {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 32px;
    max-width: 1200px;
    margin: 0 auto;
}

.testimonial {
    background: var(--background-card);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    padding: 32px;
    transition: all var(--transition-normal);
}

.testimonial:hover {
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-lg);
}

.testimonial-rating {
    font-size: 18px;
    margin-bottom: 16px;
}

.testimonial-text {
    font-size: 16px;
    color: var(--text-primary);
    line-height: 1.6;
    margin-bottom: 24px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.author-avatar {
    width: 48px;
    height: 48px;
    background: var(--primary-blue);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
}

.author-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.author-title {
    font-size: 14px;
    color: var(--text-muted);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.stat-item {
    padding: 24px;
    background: var(--background-light);
    border-radius: 12px;
}

.stat-number {
    font-size: 32px;
    font-weight: 800;
    color: var(--primary-blue);
    margin-bottom: 8px;
    font-family: var(--font-mono);
    display: block;
}

.stat-label {
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 500;
}

/* Final CTA Section */
.final-cta {
    padding: 120px 0;
    background: var(--primary-blue);
    color: var(--text-white);
    text-align: center;
}

.cta-title {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 16px;
}

.cta-subtitle {
    font-size: 20px;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto 48px;
    line-height: 1.6;
}

.final-signup-form {
    max-width: 500px;
    margin: 0 auto 32px;
}

.final-form-row {
    display: flex;
    gap: 12px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 4px;
    backdrop-filter: blur(10px);
}

.final-form-row input {
    flex: 1;
    border: none;
    outline: none;
    padding: 16px 20px;
    font-size: 16px;
    background: transparent;
    color: var(--text-white);
    border-radius: 8px;
}

.final-form-row input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.final-subscribe-btn {
    background: var(--text-white);
    color: var(--primary-blue);
    border: none;
    padding: 16px 32px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

.final-subscribe-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.final-form-note {
    font-size: 14px;
    opacity: 0.8;
    margin-top: 16px;
}

.urgency-note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 16px;
    font-weight: 500;
    opacity: 0.9;
}

.urgency-icon {
    font-size: 18px;
}

/* Footer */
.footer {
    padding: 60px 0 32px;
    background: var(--neutral-gray-900);
    color: var(--text-white);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 32px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.footer-description {
    color: rgba(255, 255, 255, 0.8);
    max-width: 400px;
    line-height: 1.6;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 14px;
    transition: color var(--transition-normal);
}

.footer-links a:hover {
    color: var(--text-white);
}

.footer-bottom {
    text-align: center;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

/* Success Modal */
.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.show {
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: var(--background-card);
    padding: 48px;
    border-radius: 20px;
    text-align: center;
    max-width: 500px;
    margin: 20px;
    animation: slideUp 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-xl);
}

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

.success-icon {
    font-size: 64px;
    margin-bottom: 24px;
}

.modal-content h2 {
    color: var(--text-primary);
    font-size: 28px;
    margin-bottom: 16px;
}

.modal-content p {
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 16px;
}

.modal-close {
    background: var(--gradient-primary);
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    margin-top: 16px;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }

    .hero {
        padding: 60px 0 80px;
    }

    .hero-title {
        font-size: 40px;
    }

    .hero-subtitle {
        font-size: 18px;
        margin-bottom: 48px;
    }

    .signup-title {
        font-size: 28px;
    }

    .section-title {
        font-size: 32px;
    }

    .benefits-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .testimonial-track {
        grid-template-columns: 1fr;
        gap: 24px;
    }

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

    .input-group {
        flex-direction: column;
        gap: 0;
    }

    .subscribe-btn {
        border-radius: 8px;
        margin-top: 8px;
    }

    .final-form-row {
        flex-direction: column;
        gap: 0;
    }

    .final-subscribe-btn {
        margin-top: 8px;
        border-radius: 8px;
    }

    .footer-content {
        flex-direction: column;
        gap: 32px;
    }

    .footer-links {
        flex-wrap: wrap;
        gap: 16px;
    }

    .nav-stats {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 32px;
    }

    .section-title {
        font-size: 28px;
    }

    .cta-title {
        font-size: 32px;
    }

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

    .form-guarantees {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Print styles */
@media print {
    .nav,
    .footer,
    .modal {
        display: none;
    }
}