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

:root {
    --primary-blue: #1280ce;
    --dark-blue: #096ba8;
    --text-dark: #1a1a1a;
    --text-medium: #4a4a4a;
    --text-light: #6a6a6a;
    --gray-bg: #f8f9fa;
    --border-color: #e0e0e0;
    --white: #ffffff;
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--white);
}

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

/* Header */
.header {
    background: var(--white);
    border-bottom: 1px solid var(--border-color);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.logo-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.product-name {
    font-weight: 700;
    color: var(--text-dark);
    font-size: 20px;
    line-height: 1.2;
}

.brand-link {
    font-weight: 400;
    color: var(--text-medium);
    text-decoration: none;
    font-size: 13px;
    line-height: 1.2;
}

nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    color: var(--text-medium);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

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

/* CTA Button */
.cta-button {
    background: var(--primary-blue);
    color: var(--white);
    padding: 12px 28px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: background 0.2s;
    display: inline-block;
    text-align: center;
}

.cta-button:hover {
    background: var(--dark-blue);
}

.cta-button.large {
    padding: 16px 40px;
    font-size: 18px;
}

/* Hero Section */
.hero {
    padding: 80px 0 100px;
    background: linear-gradient(180deg, #ffffff 0%, #f8fcff 100%);
}

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

.hero-title {
    font-size: 44px;
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 24px;
    color: var(--text-dark);
}

.hero-subtitle {
    font-size: 20px;
    line-height: 1.6;
    color: var(--text-medium);
    margin-bottom: 32px;
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.hero-price {
    color: var(--text-light);
    font-size: 16px;
}

/* Phone Mockup */
.phone-mockup {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.phone-frame {
    width: 340px;
    height: 680px;
    background: #1a1a1a;
    border-radius: 40px;
    padding: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    position: relative;
}

.phone-notch {
    position: absolute;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 26px;
    background: #1a1a1a;
    border-radius: 0 0 16px 16px;
    z-index: 10;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: #fff;
    border-radius: 32px;
    overflow: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
}

/* Status Bar */
.status-bar {
    background: #1a1a1a;
    padding: 8px 20px 6px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
}

.status-time {
    color: white;
    font-size: 14px;
    font-weight: 600;
}

.status-icons {
    display: flex;
    align-items: center;
    gap: 6px;
}

.signal-icon, .wifi-icon, .battery-icon {
    flex-shrink: 0;
}

/* Mobile Gmail UI */
.mobile-gmail-header {
    background: #fff;
    border-bottom: 1px solid #e0e0e0;
    padding: 12px 16px;
}

.gmail-mobile-top {
    display: flex;
    align-items: center;
    gap: 12px;
}

.gmail-hamburger {
    flex-shrink: 0;
}

.gmail-search-text {
    flex: 1;
    color: #5f6368;
    font-size: 14px;
}

.gmail-mobile-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary-blue);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
    flex-shrink: 0;
}

/* Scrollable Email Content */
.mobile-email-scroll {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
}

.mobile-email-full {
    padding: 16px 16px;
    font-family: Arial, sans-serif;
}

.mobile-email-subject {
    font-size: 16px;
    font-weight: 400;
    color: #202124;
    margin: 0 0 16px 0;
    line-height: 1.3;
    font-family: Arial, sans-serif;
}

.mobile-email-meta {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid #e0e0e0;
}

.mobile-sender-avatar-large {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary-blue);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
    flex-shrink: 0;
}

.mobile-email-header-info {
    flex: 1;
}

.mobile-sender-name-large {
    font-weight: 600;
    font-size: 12px;
    color: #202124;
    font-family: Arial, sans-serif;
}

.mobile-sender-email {
    font-size: 10px;
    color: #5f6368;
    font-family: Arial, sans-serif;
}

.mobile-recipient {
    font-size: 10px;
    color: #5f6368;
    font-family: Arial, sans-serif;
}

.mobile-newsletter-body {
    font-size: 14px;
    line-height: 1.6;
    color: #202124;
    font-family: Arial, sans-serif;
}

.mobile-newsletter-body .newsletter-header {
    background: #f8f9fa;
    padding: 16px;
    border-radius: 8px;
    margin-bottom: 16px;
    font-size: 13px;
    font-family: Arial, sans-serif;
}

.mobile-newsletter-body p {
    margin-bottom: 14px;
}

.mobile-newsletter-body h3 {
    font-size: 16px;
    font-weight: 600;
    margin: 0px 0 12px 0;
    font-family: Arial, sans-serif;
}

.mobile-newsletter-body h4 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 8px;
    font-family: Arial, sans-serif;
}

.mobile-newsletter-body .newsletter-toc {
    margin-bottom: 20px;
    font-family: Arial, sans-serif;
}

.mobile-newsletter-body .newsletter-toc ul {
    margin-top: 8px;
    padding-left: 20px;
}

.mobile-newsletter-body .newsletter-toc li {
    margin-bottom: 6px;
}

.mobile-newsletter-body strong {
    font-family: Arial, sans-serif;
}

.mobile-newsletter-body .story-card {
    border: 2px solid #303030;
    padding: 14px;
    border-radius: 8px;
    margin-bottom: 16px;
}

.mobile-newsletter-body .story-image-placeholder {
    height: 140px;
    background: linear-gradient(135deg, #e9ecef 0%, #dee2e6 100%);
    border-radius: 6px;
    margin: 10px 0;
}

.mobile-newsletter-body .why-care {
    margin-top: 12px;
}

.mobile-newsletter-body .why-care ul {
    margin-top: 6px;
    padding-left: 20px;
}

.mobile-newsletter-body .why-care li {
    margin-bottom: 4px;
}

.mobile-newsletter-body .spicy-take {
    background: #fff5f5;
    padding: 14px;
    border: 2px solid #e74c3c;
    border-radius: 8px;
    margin: 16px 0;
}

.mobile-newsletter-body .spicy-take h4 {
    color: #e74c3c;
}

/* Value Props */
.value-props {
    padding: 80px 0;
    background: var(--white);
}

.props-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.prop-card {
    text-align: center;
}

.prop-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.prop-card h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 12px;
}

.prop-card p {
    color: var(--text-medium);
    line-height: 1.6;
}

/* How It Works */
.how-it-works {
    padding: 80px 0;
    background: var(--gray-bg);
}

.section-title {
    font-size: 42px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 20px;
    color: var(--text-medium);
    text-align: center;
    margin-bottom: 60px;
}

.steps {
    display: flex;
    flex-direction: column;
    gap: 40px;
    max-width: 800px;
    margin: 0 auto;
}

.step {
    display: flex;
    gap: 24px;
    align-items: flex-start;
}

.step-number {
    background: var(--primary-blue);
    color: var(--white);
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 8px;
}

.step-content p {
    color: var(--text-medium);
    font-size: 18px;
    line-height: 1.6;
}

/* Examples Section */
.examples {
    padding: 80px 0;
    background: var(--white);
}

.example-container {
    max-width: 900px;
    margin: 0 auto;
    background: var(--white);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
}

.example-tabs {
    display: flex;
    border-bottom: 2px solid var(--border-color);
    background: var(--gray-bg);
}

.tab-button {
    flex: 1;
    padding: 16px;
    background: transparent;
    border: none;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-medium);
    cursor: pointer;
    transition: all 0.2s;
}

.tab-button.active {
    background: var(--white);
    color: var(--primary-blue);
    border-bottom: 3px solid var(--primary-blue);
}

.tab-content {
    display: none;
    padding: 40px;
}

.tab-content.active {
    display: block;
}

/* Subject Lines Tab */
.subject-options {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.subject-option {
    background: var(--gray-bg);
    padding: 20px;
    border-radius: 8px;
    border-left: 4px solid var(--primary-blue);
}

.subject-label {
    color: var(--primary-blue);
    font-weight: 700;
    font-size: 14px;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.subject-line {
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.preheader {
    font-size: 16px;
    color: var(--text-medium);
}

/* Gmail Mockup */
.gmail-mockup {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    max-height: 650px;
    display: flex;
    flex-direction: column;
}

.gmail-icon-btn {
    background: none;
    border: none;
    padding: 8px;
    cursor: pointer;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.gmail-icon-btn:hover {
    background: #f1f3f4;
}

.gmail-email {
    flex: 1;
    overflow-y: auto;
    background: #fff;
}

.gmail-subject {
    padding: 20px 24px 12px;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    border-bottom: 1px solid #e0e0e0;
}

.gmail-subject h2 {
    font-size: 22px;
    font-weight: 400;
    color: #202124;
    margin: 0;
    flex: 1;
}

.gmail-sender {
    padding: 16px 24px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    border-bottom: 1px solid #e0e0e0;
}

.gmail-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #1a73e8;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    flex-shrink: 0;
}

.gmail-sender-details {
    flex: 1;
}

.gmail-sender-name {
    font-size: 14px;
    margin-bottom: 2px;
}

.gmail-sender-name strong {
    color: #202124;
    font-weight: 500;
}

.gmail-sender-email {
    color: #5f6368;
    font-size: 12px;
    margin-left: 4px;
}

.gmail-recipient {
    font-size: 12px;
    color: #5f6368;
}

.gmail-date {
    font-size: 12px;
    color: #5f6368;
    white-space: nowrap;
}

.gmail-email-content {
    padding: 0 24px 24px;
}

/* Newsletter Example */
.newsletter-example {
    max-height: 600px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.newsletter-body {
    padding: 24px;
    font-family: Arial, sans-serif;
}

.gmail-email-content .newsletter-body {
    padding: 0;
}

.newsletter-header {
    background: var(--gray-bg);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    margin-top: 20px;
}

.newsletter-toc {
    margin: 20px 0;
}

.newsletter-toc ul {
    margin-top: 12px;
    padding-left: 20px;
}

.newsletter-toc li {
    margin-bottom: 8px;
}

.newsletter-body h3 {
    font-size: 24px;
    margin: 32px 0 20px 0;
}

.story-card {
    border: 3px solid #303030;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.story-card h4 {
    font-size: 20px;
    margin-bottom: 12px;
}

.story-image-placeholder {
    height: 200px;
    background: linear-gradient(135deg, #e9ecef 0%, #dee2e6 100%);
    border-radius: 8px;
    margin: 12px 0;
}

.why-care {
    margin-top: 16px;
}

.why-care ul {
    margin-top: 8px;
    padding-left: 20px;
}

.why-care li {
    margin-bottom: 6px;
}

.spicy-take {
    background: #fff5f5;
    padding: 20px;
    border: 3px solid #e74c3c;
    border-radius: 8px;
    margin: 20px 0;
}

.spicy-take h4 {
    color: #e74c3c;
    margin-bottom: 12px;
}

.quick-hits {
    border: 3px solid #303030;
    padding: 20px;
    border-radius: 8px;
}

.quick-hits h4 {
    margin-bottom: 12px;
}

.quick-hits ul {
    padding-left: 20px;
}

.quick-hits li {
    margin-bottom: 10px;
}

/* Control Section */
.control-section {
    padding: 80px 0;
    background: var(--gray-bg);
}

.control-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    max-width: 900px;
    margin: 0 auto;
}

.control-item h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 12px;
}

.control-item p {
    color: var(--text-medium);
    line-height: 1.6;
}

/* Pricing */
.pricing {
    padding: 80px 0;
    background: var(--white);
}

.pricing-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    max-width: 1100px;
    margin: 0 auto 48px;
}

.pricing-card {
    background: var(--white);
    border: 2px solid #e0e0e0;
    border-radius: 16px;
    padding: 40px;
    text-align: center;
    transition: all 0.3s ease;
}

.pricing-card:hover {
    border-color: var(--primary-blue);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.pricing-card.featured {
    border: 3px solid var(--primary-blue);
    position: relative;
}

.pricing-card.featured::before {
    content: "POPULAR";
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-blue);
    color: white;
    padding: 4px 16px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.pricing-header h3 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 20px;
}

.price {
    margin-bottom: 32px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.original-price {
    text-decoration: line-through;
    color: #999;
    font-size: 20px;
    font-weight: 500;
}

.price-main {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
}

.price-amount {
    font-size: 64px;
    font-weight: 700;
    color: var(--primary-blue);
    line-height: 1;
}

.price-period {
    font-size: 24px;
    color: var(--text-medium);
}

.early-access-badge {
    display: inline-block;
    color: #10b981;
    font-size: 14px;
    font-weight: 600;
}

.pricing-features {
    text-align: left;
    margin-bottom: 32px;
}

.feature {
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 18px;
}

.feature:last-child {
    border-bottom: none;
}

.pricing-cta {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 32px;
}

.pricing-note {
    color: var(--text-light);
    font-size: 14px;
}

/* Guarantee */
.guarantee {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    padding: 32px;
    background: linear-gradient(135deg, #f8faff 0%, #f0f7ff 100%);
    border-radius: 12px;
    border: 2px solid var(--primary-blue);
}

.guarantee h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.guarantee p {
    font-size: 16px;
    color: var(--text-medium);
    line-height: 1.6;
}

/* FAQ */
.faq {
    padding: 80px 0;
    background: var(--gray-bg);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.faq-item h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

.faq-item p {
    color: var(--text-medium);
    line-height: 1.6;
}

/* Final CTA */
.final-cta {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary-blue) 0%, #0a6fa3 100%);
    color: var(--white);
    text-align: center;
}

.final-cta-content h2 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
}

.final-cta-content p {
    font-size: 22px;
    margin-bottom: 32px;
    opacity: 0.95;
}

.final-cta .cta-button {
    background: var(--white);
    color: var(--primary-blue);
}

.final-cta .cta-button:hover {
    background: var(--gray-bg);
}

.final-cta-content p.final-cta-note {
    margin-top: 16px;
    font-size: 16px;
    opacity: 0.9;
}

/* Footer */
.footer {
    padding: 40px 0;
    background: var(--text-dark);
    color: var(--white);
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer a {
    color: var(--white);
    text-decoration: none;
}

.footer a:hover {
    opacity: 0.8;
}

.footer-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

/* Responsive Design */
@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
    }

    .hero-title {
        font-size: 42px;
    }

    .phone-frame {
        width: 300px;
        height: 600px;
    }

    .phone-notch {
        width: 100px;
        height: 22px;
    }

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

    .control-grid,
    .faq-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
    }

    nav {
        gap: 16px;
    }

    .nav-link {
        display: none;
    }

    .gmail-date {
        display: none;
    }

    .tab-content {
        padding: 10px;
    }
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 36px;
    }

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

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

    .cta-button.large {
        padding: 14px 32px;
        font-size: 16px;
    }

    .example-tabs {
        flex-direction: column;
    }

    .final-cta-content h2 {
        font-size: 36px;
    }

    .gmail-subject {
        padding: 16px;
    }

    .gmail-subject h2 {
        font-size: 18px;
    }

    .gmail-sender {
        padding: 12px 16px;
    }

    .gmail-email-content {
        padding: 0 16px 16px;
    }
}