/**
 * KiriMel - Landing Page Styles
 * Email Marketing System
 * Blue Theme with Montserrat Font
 */

/* Import Montserrat Font */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700;800&display=swap');

/* ============================================
   CSS Variables (Theme Configuration)
   ============================================ */
:root {
    /* Primary Colors - Blue Theme */
    --color-primary: #2563EB;
    --color-primary-hover: #1D4ED8;
    --color-primary-light: #3B82F6;
    --color-primary-lighter: #60A5FA;
    --color-primary-lightest: #93C5FD;

    /* Secondary Colors */
    --color-secondary: #64748B;
    --color-secondary-light: #94A3B8;

    /* Accent Colors */
    --color-success: #10B981;
    --color-error: #EF4444;
    --color-warning: #F59E0B;

    /* Neutral Colors */
    --bg-body: #F8FAFC;
    --bg-surface: #FFFFFF;
    --bg-card: #FFFFFF;
    --bg-hover: #F1F5F9;

    --text-primary: #1E293B;
    --text-secondary: #64748B;
    --text-muted: #94A3B8;
    --text-inverse: #FFFFFF;

    /* Border Colors */
    --border-color: #E2E8F0;
    --border-light: #F1F5F9;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 2.5rem;
    --spacing-3xl: 3rem;
    --spacing-4xl: 4rem;
    --spacing-5xl: 5rem;

    /* Border Radius */
    --border-radius: 0.5rem;
    --border-radius-md: 0.75rem;
    --border-radius-lg: 1rem;
    --border-radius-xl: 1.5rem;
    --border-radius-2xl: 2rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition: 200ms ease-in-out;
    --transition-slow: 300ms ease-in-out;

    /* Container widths */
    --container-sm: 640px;
    --container-md: 768px;
    --container-lg: 1024px;
    --container-xl: 1280px;
    --container-2xl: 1536px;
}

/* ============================================
   Global Styles
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-body);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.landing-page {
    overflow-x: hidden;
}

/* ============================================
   Navigation Bar
   ============================================ */
.landing-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-light);
    transition: all var(--transition);
}

.landing-nav.scrolled {
    box-shadow: var(--shadow-md);
}

.landing-nav .container {
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.landing-nav .logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: var(--color-primary);
    font-weight: 700;
    font-size: 1.5rem;
}

.landing-nav .logo img {
    height: 36px;
    width: auto;
}

.landing-nav .nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

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

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

.landing-nav .nav-buttons {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.landing-nav .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.625rem 1.25rem;
    border-radius: var(--border-radius-md);
    font-family: 'Montserrat', sans-serif;
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition);
    border: none;
}

.landing-nav .btn-primary {
    background-color: var(--color-primary);
    color: var(--text-inverse);
}

.landing-nav .btn-primary:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.landing-nav .btn-outline {
    background-color: transparent;
    border: 2px solid var(--border-color);
    color: var(--text-primary);
}

.landing-nav .btn-outline:hover {
    background-color: var(--bg-hover);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* Mobile menu button */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    margin: 5px 0;
    transition: all var(--transition);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--spacing-5xl) 0 var(--spacing-4xl);
    background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 50%, #BFDBFE 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%232563EB' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.hero .container {
    position: relative;
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

@media (min-width: 992px) {
    .hero .container {
        grid-template-columns: 1fr 1fr;
    }
}

.hero-content {
    text-align: center;
}

@media (min-width: 992px) {
    .hero-content {
        text-align: left;
    }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: rgba(37, 99, 235, 0.1);
    color: var(--color-primary);
    border-radius: var(--border-radius-2xl);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

.hero h1 {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.2;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.02em;
}

@media (min-width: 768px) {
    .hero h1 {
        font-size: 3.5rem;
    }
}

.hero p {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
}

@media (min-width: 992px) {
    .hero p {
        margin-left: 0;
        margin-right: 0;
    }
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: center;
}

@media (min-width: 992px) {
    .hero-buttons {
        flex-direction: row;
        justify-content: flex-start;
    }
}

.hero-buttons .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.875rem 1.75rem;
    border-radius: var(--border-radius-md);
    font-family: 'Montserrat', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition);
    border: none;
    min-width: 160px;
}

.hero-buttons .btn-primary {
    background-color: var(--color-primary);
    color: var(--text-inverse);
}

.hero-buttons .btn-primary:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.hero-buttons .btn-outline {
    background-color: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
}

.hero-buttons .btn-outline:hover {
    background-color: var(--color-primary);
    color: var(--text-inverse);
}

.hero-illustration {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-illustration svg {
    width: 100%;
    max-width: 500px;
    height: auto;
}

/* ============================================
   Stats Infographic Section
   ============================================ */
.stats-infographic {
    padding: var(--spacing-4xl) 0;
    background: linear-gradient(180deg, var(--bg-surface) 0%, var(--bg-body) 100%);
}

.stats-infographic .container {
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.stats-infographic-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

@media (min-width: 768px) {
    .stats-infographic-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-xl);
    }
}

.stat-infographic-card {
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    min-width: 0; /* Prevents grid blowout */
}

.stat-infographic-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px -8px rgba(37, 99, 235, 0.15);
}

.infographic-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.infographic-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.infographic-chart {
    width: 100%;
    height: auto;
    display: block;
    max-width: 100%;
    overflow: visible;
}

/* ============================================
   Features Section
   ============================================ */
.features {
    padding: var(--spacing-5xl) 0;
    background-color: var(--bg-surface);
}

.features .container {
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-4xl);
}

.section-header h2 {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.section-header p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: var(--spacing-xl);
}

@media (min-width: 768px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.feature-card {
    padding: var(--spacing-xl);
    background-color: var(--bg-body);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-light);
    transition: all var(--transition);
}

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

.feature-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-lg);
    color: white;
}

.feature-icon svg {
    width: 28px;
    height: 28px;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

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

/* ============================================
   Pricing Section
   ============================================ */
.pricing {
    padding: var(--spacing-5xl) 0;
    background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 50%, #BFDBFE 100%);
}

.pricing .container {
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: var(--spacing-xl);
    max-width: 1000px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
        align-items: stretch;
    }
}

.pricing-card {
    background-color: var(--bg-surface);
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-2xl);
    border: 2px solid var(--border-light);
    transition: all var(--transition);
    position: relative;
}

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

.pricing-card.featured {
    border-color: var(--color-primary);
    transform: scale(1.05);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-4px);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius-2xl);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pricing-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    text-align: center;
}

.pricing-price {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.pricing-price .amount {
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
}

.pricing-price .currency {
    font-size: 1.5rem;
    vertical-align: super;
}

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

.pricing-features {
    list-style: none;
    margin-bottom: var(--spacing-xl);
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.pricing-features li svg {
    width: 20px;
    height: 20px;
    color: var(--color-success);
    flex-shrink: 0;
}

.pricing-card .btn {
    width: 100%;
    padding: 0.875rem;
    border-radius: var(--border-radius-md);
    font-family: 'Montserrat', sans-serif;
    font-size: 0.9375rem;
    font-weight: 600;
    text-decoration: none;
    text-align: center;
    display: block;
    transition: all var(--transition);
    border: none;
    cursor: pointer;
}

.pricing-card .btn-primary {
    background-color: var(--color-primary);
    color: var(--text-inverse);
}

.pricing-card .btn-primary:hover {
    background-color: var(--color-primary-hover);
}

.pricing-card .btn-outline {
    background-color: transparent;
    border: 2px solid var(--border-color);
    color: var(--text-primary);
}

.pricing-card .btn-outline:hover {
    background-color: var(--bg-hover);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.pricing-cta {
    text-align: center;
    margin-top: var(--spacing-3xl);
}

.pricing-cta a {
    color: var(--color-primary);
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: all var(--transition);
}

.pricing-cta a:hover {
    gap: var(--spacing-sm);
}

/* ============================================
   About Section
   ============================================ */
.about {
    padding: var(--spacing-5xl) 0;
    background-color: var(--bg-surface);
}

.about .container {
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

@media (min-width: 992px) {
    .about-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.about-content h2 {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.02em;
}

.about-content p {
    font-size: 1.0625rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-lg);
    background-color: var(--bg-body);
    border-radius: var(--border-radius-lg);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.about-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.about-image svg {
    width: 100%;
    max-width: 450px;
    height: auto;
}

/* ============================================
   FAQ Section
   ============================================ */
.faq {
    padding: var(--spacing-5xl) 0;
    background-color: var(--bg-surface);
}

.faq .container {
    max-width: var(--container-lg);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.faq-list {
    display: grid;
    gap: var(--spacing-md);
    margin-top: var(--spacing-3xl);
}

.faq-item {
    background-color: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    transition: all var(--transition);
}

.faq-item:hover {
    border-color: var(--color-primary-lightest);
}

.faq-item.active {
    border-color: var(--color-primary-light);
    box-shadow: var(--shadow);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    padding: var(--spacing-lg) var(--spacing-xl);
    background: none;
    border: none;
    text-align: left;
    font-family: 'Montserrat', sans-serif;
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition);
}

.faq-question:hover {
    background-color: var(--bg-hover);
}

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

.faq-question span {
    flex: 1;
}

.faq-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    color: var(--color-primary);
    transition: transform var(--transition);
}

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

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

.faq-item.active .faq-answer {
    max-height: 500px;
    opacity: 1;
}

.faq-answer p {
    padding: 0 var(--spacing-xl) var(--spacing-xl);
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.7;
}

.faq-item.active .faq-answer p {
    padding-top: 0;
}

@media (max-width: 767px) {
    .faq-question {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 1rem;
    }

    .faq-answer p {
        padding: 0 var(--spacing-lg) var(--spacing-lg);
    }

    .faq-item.active .faq-answer {
        max-height: 600px;
    }
}

/* ============================================
   CTA Section
   ============================================ */
.cta-section {
    padding: var(--spacing-5xl) 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
    color: white;
    text-align: center;
}

.cta-section .container {
    max-width: var(--container-lg);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.cta-section h2 {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.cta-section p {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-section .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    background-color: white;
    color: var(--color-primary);
    border-radius: var(--border-radius-md);
    font-family: 'Montserrat', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition);
    border: none;
    cursor: pointer;
}

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

/* ============================================
   Footer
   ============================================ */
.landing-footer {
    background-color: var(--text-primary);
    color: white;
    padding: var(--spacing-4xl) 0 var(--spacing-xl);
}

.landing-footer .container {
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.landing-footer-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-3xl);
}

@media (min-width: 768px) {
    .landing-footer-grid {
        grid-template-columns: 2fr repeat(3, 1fr);
    }
}

.footer-brand .logo {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: white;
    font-weight: 700;
    font-size: 1.25rem;
    text-decoration: none;
    margin-bottom: var(--spacing-md);
}

.footer-brand .logo img {
    height: 32px;
}

.footer-brand p {
    color: var(--color-secondary-light);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    color: white;
    transition: all var(--transition);
}

.footer-social a:hover {
    background-color: var(--color-primary);
    transform: translateY(-2px);
}

.footer-social svg {
    width: 20px;
    height: 20px;
}

.footer-column h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: var(--color-secondary-light);
    text-decoration: none;
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

.footer-bottom p {
    color: var(--color-secondary-light);
    font-size: 0.875rem;
}

.footer-bottom a {
    color: var(--color-secondary-light);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-bottom a:hover {
    color: white;
}

.footer-version {
    color: var(--color-secondary-light);
    font-size: 0.8125rem;
    opacity: 0.7;
}

/* ============================================
   Legal Page Styles
   ============================================ */
.legal-page {
    padding: var(--spacing-5xl) 0 var(--spacing-4xl);
    background-color: var(--bg-body);
    min-height: 100vh;
}

.legal-container {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-2xl);
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
}

.legal-container h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.legal-container .updated {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.legal-container h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-md);
}

.legal-container h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.legal-container p,
.legal-container ul {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.legal-container ul {
    padding-left: var(--spacing-xl);
}

.legal-container li {
    margin-bottom: var(--spacing-sm);
}

.legal-container a {
    color: var(--color-primary);
    text-decoration: none;
}

.legal-container a:hover {
    text-decoration: underline;
}

.legal-container strong {
    color: var(--text-primary);
}

.legal-container hr {
    margin: var(--spacing-2xl) 0;
    border: none;
    border-top: 1px solid var(--border-color);
}

.legal-container .back-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-primary);
    text-decoration: none;
    margin-bottom: var(--spacing-xl);
    font-weight: 500;
}

.legal-container .back-link:hover {
    text-decoration: underline;
}

@media (max-width: 767px) {
    .legal-page {
        padding: var(--spacing-3xl) var(--spacing-md);
    }

    .legal-container {
        padding: var(--spacing-lg);
    }
}

/* ============================================
   Contact Page
   ============================================ */
.contact-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl) var(--spacing-md);
    background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 50%, #BFDBFE 100%);
}

.contact-container {
    width: 100%;
    max-width: 600px;
}

.contact-card {
    background-color: var(--bg-card);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-2xl);
    border: 1px solid var(--border-light);
}

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

.contact-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.contact-header p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.contact-form .form-group {
    margin-bottom: var(--spacing-md);
}

.contact-form label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 0.75rem var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    font-family: 'Montserrat', sans-serif;
    font-size: 0.9375rem;
    color: var(--text-primary);
    background-color: var(--bg-surface);
    transition: all var(--transition-fast);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.contact-form textarea {
    min-height: 150px;
    resize: vertical;
}

.contact-form .btn {
    width: 100%;
    padding: 0.875rem;
    margin-top: var(--spacing-sm);
}

.contact-info {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border-light);
    text-align: center;
}

.contact-info h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.contact-info p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    margin-bottom: var(--spacing-sm);
}

.contact-info a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
}

.contact-info a:hover {
    text-decoration: underline;
}

/* ============================================
   Alert Messages
   ============================================ */
.alert {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    font-size: 0.875rem;
    line-height: 1.5;
    margin-bottom: var(--spacing-lg);
}

.alert-success {
    background-color: #D1FAE5;
    color: #065F46;
    border: 1px solid #A7F3D0;
}

.alert-error {
    background-color: #FEE2E2;
    color: #991B1B;
    border: 1px solid #FECACA;
}

.alert-info {
    background-color: #DBEAFE;
    color: #1E40AF;
    border: 1px solid #BFDBFE;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 991px) {
    .landing-nav .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

    .mobile-menu-open .landing-nav .nav-links {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: white;
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-lg);
        border-top: 1px solid var(--border-light);
    }

    .mobile-menu-open .landing-nav .nav-buttons {
        display: none;
    }
}

@media (max-width: 767px) {
    html {
        font-size: 14px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .section-header h2 {
        font-size: 1.75rem;
    }

    .pricing-card.featured {
        transform: none;
    }

    .pricing-card.featured:hover {
        transform: translateY(-4px);
    }
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* ============================================
   Focus Styles for Accessibility
   ============================================ */
*:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.btn:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* ============================================
   Pricing Page Styles
   ============================================ */
.pricing-page {
    background-color: var(--bg-body);
}

.pricing-hero {
    padding: var(--spacing-5xl) 0 var(--spacing-3xl);
    background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 50%, #BFDBFE 100%);
    text-align: center;
}

.billing-toggle-landing {
    display: inline-flex;
    align-items: center;
    background: var(--bg-surface);
    border-radius: var(--border-radius-2xl);
    padding: var(--spacing-xs);
    gap: var(--spacing-xs);
    box-shadow: var(--shadow-md);
    margin-top: var(--spacing-xl);
}

.billing-toggle-landing .toggle-btn {
    position: relative;
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: var(--border-radius-xl);
    font-family: 'Montserrat', sans-serif;
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: transparent;
    color: var(--text-secondary);
}

.billing-toggle-landing .toggle-btn:hover {
    color: var(--color-primary);
    background: var(--bg-hover);
}

.billing-toggle-landing .toggle-btn.active {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
    color: white;
}

.billing-toggle-landing .savings-badge {
    background: var(--color-success);
    color: white;
    padding: 2px 8px;
    border-radius: var(--border-radius);
    font-size: 0.75rem;
    font-weight: 700;
}

.pricing-full {
    padding: var(--spacing-4xl) 0;
    background-color: var(--bg-surface);
}

.pricing-grid-landing {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
    max-width: var(--container-2xl);
    margin: 0 auto;
}

@media (min-width: 992px) {
    .pricing-grid-landing {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 767px) {
    .pricing-grid-landing {
        grid-template-columns: 1fr;
    }
}

.pricing-card-landing {
    background-color: var(--bg-card);
    border: 2px solid var(--border-light);
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-2xl);
    position: relative;
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
}

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

.pricing-card-landing.featured {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-xl);
    position: relative;
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius-2xl);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pricing-card-landing .plan-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.pricing-card-landing .plan-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.pricing-card-landing .plan-description {
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.pricing-card-landing .plan-price {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.pricing-card-landing .plan-price .currency {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-secondary);
    vertical-align: super;
}

.pricing-card-landing .plan-price .amount {
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
}

.pricing-card-landing .plan-price .period {
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.pricing-card-landing .plan-features {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--spacing-xl) 0;
    flex: 1;
}

.pricing-card-landing .plan-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.pricing-card-landing .plan-features li svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.pricing-card-landing .plan-features li .check-icon {
    color: var(--color-success);
}

.pricing-card-landing .plan-features li .x-icon {
    color: var(--color-error);
}

.pricing-card-landing .plan-features li.feature-excluded {
    opacity: 0.5;
}

.pricing-card-landing .plan-features li.feature-excluded svg {
    stroke: var(--color-error);
}

.pricing-card-landing .btn {
    margin-top: auto;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.features-detail {
    padding: var(--spacing-5xl) 0;
    background-color: var(--bg-body);
}

.comparison-chart {
    width: 100%;
    height: auto;
    display: block;
}

/* Analytics Section & Tracking Flow */
.analytics-section {
    padding: var(--spacing-4xl) 0;
    background: linear-gradient(180deg, var(--bg-surface) 0%, var(--bg-body) 100%);
}

.tracking-flow-infographic {
    max-width: var(--container-2xl);
    margin: 0 auto;
    padding: var(--spacing-xl);
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.flow-diagram {
    width: 100%;
    height: auto;
    display: block;
}

.features-table-wrapper {
    max-width: var(--container-2xl);
    margin: 0 auto;
    overflow-x: auto;
}

.features-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.features-table thead {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
}

.features-table th {
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: left;
    font-weight: 600;
    color: white;
    font-size: 0.9375rem;
}

.features-table th:first-child {
    border-top-left-radius: var(--border-radius-lg);
}

.features-table th:last-child {
    border-top-right-radius: var(--border-radius-lg);
}

.features-table tbody tr {
    border-bottom: 1px solid var(--border-light);
}

.features-table tbody tr:last-child {
    border-bottom: none;
}

.features-table tbody tr:nth-child(even) {
    background-color: var(--bg-hover);
}

.features-table td {
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--text-secondary);
    font-size: 0.9375rem;
    list-style: none !important;
    text-align: center;
    vertical-align: middle;
}

.features-table td:first-child {
    font-weight: 600;
    color: var(--text-primary);
    text-align: left;
}

.features-table .check-icon,
.features-table .x-icon {
    width: 18px;
    height: 18px;
    display: inline-block;
    vertical-align: middle;
}

.features-table .check-icon {
    color: var(--color-success);
}

.features-table .x-icon {
    color: var(--color-error);
}

@media (max-width: 767px) {
    .pricing-hero {
        padding: var(--spacing-3xl) var(--spacing-md);
    }

    .features-table {
        font-size: 0.8125rem;
    }

    .features-table th,
    .features-table td {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .features-table-wrapper {
        margin-left: calc(-1 * var(--spacing-lg));
        margin-right: calc(-1 * var(--spacing-lg));
    }
}

/* ============================================
   API Documentation Page Styles
   ============================================ */
.api-docs-page {
    background-color: var(--bg-body);
    padding-top: 70px; /* Account for fixed navbar */
}

.api-hero {
    padding: var(--spacing-5xl) 0 var(--spacing-3xl);
    background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 50%, #BFDBFE 100%);
    text-align: center;
}

.api-hero .section-header {
    margin-bottom: var(--spacing-3xl);
}

.api-content {
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--spacing-lg) var(--spacing-5xl);
}

.api-endpoint {
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-xl);
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    text-align: left;
}

.api-endpoint h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.api-endpoint p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.api-endpoint pre {
    background: var(--bg-body);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    overflow-x: auto;
}

.api-endpoint code {
    color: var(--text-primary);
    font-size: 0.875rem;
}

.api-section {
    margin-top: var(--spacing-3xl);
}

.api-section h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

.api-section p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

.api-endpoint-card {
    display: flex;
    align-items: center;
    padding: var(--spacing-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
    transition: all var(--transition);
}

.api-endpoint-card:hover {
    border-color: var(--color-primary-light);
    box-shadow: var(--shadow);
}

.api-method {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--color-primary);
    color: white;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 0.875rem;
    min-width: 70px;
}

.api-path {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    flex: 1;
    min-width: 0;
}

.api-path code {
    font-family: 'Courier New', monospace;
    font-size: 0.9375rem;
    color: var(--text-primary);
    background: var(--bg-body);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    word-break: break-all;
    overflow-wrap: break-word;
    hyphens: auto;
}

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

.api-code-example {
    margin-top: var(--spacing-3xl);
    padding: var(--spacing-xl);
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
}

.api-code-example h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.api-code-example pre {
    background: #1e293b;
    color: #e2e8f0;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    overflow-x: auto;
}

.api-code-example code {
    font-family: 'Courier New', monospace;
    font-size: 0.875rem;
}

@media (max-width: 767px) {
    .api-docs-page {
        padding-top: 60px;
    }

    .api-endpoint-card {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }

    .api-method {
        min-width: auto;
    }

    .api-endpoint-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }

    .api-endpoint-header code {
        width: 100%;
        word-break: break-all;
        font-size: 0.85rem;
    }

    .api-endpoint-header .api-description {
        text-align: left;
        margin-left: 0;
        width: 100%;
        font-size: 0.8rem;
    }

    .api-section h2 {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .api-endpoint-header code {
        font-size: 0.75rem;
        padding: var(--spacing-xs);
    }

    .api-method {
        font-size: 0.75rem;
        padding: var(--spacing-xs) var(--spacing-sm);
    }
}

/* Additional fix for smaller screens */
@media (max-width: 375px) {
    .api-endpoint-header {
        font-size: 0.75rem;
    }

    .api-endpoint-card p {
        font-size: 0.85rem;
    }
}

/* ============================================
   How It Works - Campaign Workflow Styles
   ============================================ */
.workflow-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: var(--spacing-4xl) 0;
}

.workflow-step {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-4xl);
    align-items: start;
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.1);
}

.step-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.step-content > h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.step-content > p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.step-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.step-icon svg {
    width: 48px;
    height: 48px;
}

.step-details {
    margin-top: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--bg-surface);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-light);
}

.step-details h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.step-details p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.step-details ul {
    list-style: none;
    padding-left: 0;
    margin-bottom: var(--spacing-md);
}

.step-details li {
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
    position: relative;
}

.step-details li::before {
    content: "•";
    position: absolute;
    left: var(--spacing-sm);
    color: var(--color-primary);
}

.step-details strong {
    color: var(--text-primary);
}

.step-details code {
    background: var(--bg-body);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    font-family: 'Courier New', monospace;
    color: var(--color-primary);
}

@media (max-width: 767px) {
    .workflow-container {
        padding: var(--spacing-3xl) var(--spacing-md);
    }

    .workflow-step {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .step-number {
        width: 40px;
        height: 40px;
        font-size: 1.25rem;
    }

    .step-icon svg {
        width: 40px;
        height: 40px;
    }

    .step-details {
        padding: var(--spacing-md);
    }

    .step-details li {
        padding-left: var(--spacing-md);
    }
}

/* ============================================
   Workflow Page Specific Styles
   ============================================ */
.workflow-page {
    background-color: var(--bg-body);
    padding: var(--spacing-4xl) 0;
}

.workflow-page .container {
    max-width: 1200px;
    padding: 0 var(--spacing-lg);
}

.workflow-page .step-icon svg {
    color: var(--color-primary);
    stroke: var(--color-primary);
}

@media (max-width: 767px) {
    .workflow-page {
        padding: var(--spacing-3xl) 0;
    }

    .workflow-page .container {
        padding: 0 var(--spacing-md);
    }
}

/* ============================================
   API Documentation Enhanced Styles
   ============================================ */
.api-endpoint-header {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-light);
}

.api-method.get {
    background: var(--color-success);
    flex-shrink: 0;
}

.api-method.post {
    background: var(--color-primary);
    flex-shrink: 0;
}

.api-method.put {
    background: #f59e0b;
    flex-shrink: 0;
}

.api-method.delete {
    background: var(--color-error);
    flex-shrink: 0;
}

.api-endpoint-header code {
    flex: 1;
    min-width: 0;
    word-break: break-all;
    overflow-wrap: break-word;
}

.api-endpoint-header .api-description {
    flex-shrink: 0;
    text-align: right;
    margin-left: auto;
}

.code-examples {
    margin-top: var(--spacing-lg);
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.code-tabs {
    display: flex;
    background: var(--bg-body);
    border-bottom: 1px solid var(--border-light);
}

.code-tab {
    padding: var(--spacing-md) var(--spacing-lg);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition);
}

.code-tab:hover {
    color: var(--color-primary);
}

.code-tab.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.code-tab-content {
    display: none;
    padding: var(--spacing-lg);
    background: var(--bg-card);
}

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

.api-section {
    margin-top: var(--spacing-4xl);
    padding-bottom: var(--spacing-3xl);
}

/* Ensure code elements in API headers wrap properly */
.api-endpoint-card code {
    word-break: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
    max-width: 100%;
}

.api-endpoint-card {
    overflow: hidden;
}

.api-params pre,
.api-params code {
    white-space: pre;
    word-break: break-word;
    overflow-x: auto;
    max-width: 100%;
    display: block;
}

/* Code blocks within params should scroll horizontally */
.api-params pre {
    -webkit-overflow-scrolling: touch;
}

.api-params pre code {
    white-space: pre;
}

.api-section h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.api-params {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--bg-body);
    border-radius: var(--border-radius);
}

.api-params h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.error-codes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.error-code-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow);
}

.error-code-card h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.error-codes-table {
    width: 100%;
    border-collapse: collapse;
}

.error-codes-table th {
    text-align: left;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-body);
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-light);
}

.error-codes-table td {
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: 1px solid var(--border-light);
    font-family: 'Courier New', monospace;
    font-size: 0.875rem;
}

.error-codes-table code {
    background: var(--bg-body);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    color: var(--color-error);
}

.rate-limit-info {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.rate-limit-info h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.rate-limit-info p {
    margin-bottom: var(--spacing-md);
}

.rate-limit-info ul {
    list-style: none;
    padding-left: 0;
}

.rate-limit-info li {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-light);
}

.rate-limit-info li:last-child {
    border-bottom: none;
}

.webhook-events {
    margin-top: var(--spacing-xl);
}

.event-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.event-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    text-align: center;
}

.event-card code {
    background: var(--color-primary);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    font-size: 0.875rem;
}

.event-card span {
    display: block;
    margin-top: var(--spacing-sm);
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.webhook-config {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-xl);
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-light);
}

@media (max-width: 767px) {
    .error-codes-grid {
        grid-template-columns: 1fr;
    }

    .event-list {
        grid-template-columns: 1fr;
    }

    .code-tabs {
        flex-wrap: wrap;
    }

    .code-tab {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.8125rem;
    }
}

/* API Documentation - New v2 Styles */
.api-notice {
    position: relative;
    z-index: 10;
}

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

.auth-method {
    background: var(--bg-hover);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
}

.auth-method h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-top: 0;
    margin-bottom: var(--spacing-md);
}

.alert {
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.alert-warning {
    background: #FEF3C7;
    border-left: 4px solid #F59E0B;
    color: #92400E;
}

.alert-warning strong {
    color: #B45309;
}

/* ============================================
   Stripe-style API Documentation Styles
   ============================================ */

/* Hero Section */
.api-hero h1 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
}

.api-hero .lead {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

/* Client Libraries */
.client-libraries {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.library-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition);
}

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

.library-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.library-card h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.library-card p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-md);
}

.library-card code {
    display: block;
    background: var(--bg-body);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    font-family: 'Courier New', monospace;
    font-size: 0.75rem;
    color: var(--color-primary);
}

/* Info Boxes */
.info-box {
    background: #EFF6FF;
    border-left: 4px solid var(--color-primary);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.info-box h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-top: 0;
    margin-bottom: var(--spacing-sm);
}

.info-box p {
    color: var(--text-secondary);
    margin: 0;
}

/* Warning Boxes */
.warning-box {
    background: #FEF3C7;
    border-left: 4px solid #F59E0B;
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.warning-box p {
    color: #92400E;
    margin: 0;
}

.warning-box strong {
    color: #B45309;
}

/* Code Example Blocks */
.code-example-block {
    margin: var(--spacing-lg) 0;
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.code-example-header {
    background: var(--bg-body);
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.code-example-block pre {
    margin: 0;
}

/* Tables */
.status-codes-table,
.error-types-table,
.rate-limit-table,
.params-table {
    margin: var(--spacing-xl) 0;
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.status-codes-table table,
.error-types-table table,
.rate-limit-table table,
.params-table table {
    width: 100%;
    border-collapse: collapse;
}

.status-codes-table th,
.error-types-table th,
.rate-limit-table th,
.params-table th {
    text-align: left;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-body);
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-light);
    font-size: 0.875rem;
}

.status-codes-table td,
.error-types-table td,
.rate-limit-table td,
.params-table td {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.status-codes-table tr:last-child td,
.error-types-table tr:last-child td,
.rate-limit-table tr:last-child td,
.params-table tr:last-child td {
    border-bottom: none;
}

.status-codes-table code,
.error-types-table code,
.params-table code {
    background: var(--bg-body);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    font-family: 'Courier New', monospace;
    font-size: 0.875rem;
    color: var(--color-primary);
}

.status-codes-table td code {
    color: var(--color-success);
}

/* Rate Limit Table Special Styling */
.rate-limit-table td:nth-child(3) {
    text-align: center;
}

/* Params Table Inner */
.params-table-inner {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-md) 0;
}

.params-table-inner th {
    text-align: left;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-body);
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-light);
    font-size: 0.875rem;
}

.params-table-inner td {
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: 1px solid var(--border-light);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.params-table-inner code {
    background: var(--bg-body);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    font-family: 'Courier New', monospace;
    font-size: 0.8125rem;
    color: var(--color-primary);
}

/* API Response Section */
.api-response {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--bg-body);
    border-radius: var(--border-radius);
}

.api-response h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: 0;
    margin-bottom: var(--spacing-md);
}

/* Updated Webhook Events */
.webhook-events {
    margin: var(--spacing-xl) 0;
}

.webhook-events h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

.event-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    transition: all var(--transition);
}

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

.event-card code {
    background: var(--color-primary);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    font-size: 0.8125rem;
    align-self: flex-start;
    font-family: 'Courier New', monospace;
}

.event-card span {
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

/* Section Heading Styles */
.api-section h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--border-light);
}

.api-section h3 {
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: var(--spacing-3xl);
    margin-bottom: var(--spacing-lg);
}

.api-section > p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

/* Auth Methods */
.auth-methods {
    margin: var(--spacing-xl) 0;
}

.auth-methods h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.auth-methods p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

/* Endpoint Cards */
.api-endpoint-card {
    display: flex;
    flex-direction: column;
    padding: var(--spacing-xl);
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--spacing-md);
    transition: all var(--transition);
}

.api-endpoint-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow);
}

.api-endpoint-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

/* Mobile Responsive */
@media (max-width: 767px) {
    .api-hero h1 {
        font-size: 1.875rem;
    }

    .api-hero .lead {
        font-size: 1rem;
    }

    .client-libraries {
        grid-template-columns: 1fr;
    }

    .status-codes-table,
    .error-types-table,
    .rate-limit-table,
    .params-table {
        margin-left: calc(-1 * var(--spacing-md));
        margin-right: calc(-1 * var(--spacing-md));
        border-left: none;
        border-right: none;
        border-radius: 0;
    }

    .status-codes-table th,
    .error-types-table th,
    .rate-limit-table th,
    .params-table th,
    .status-codes-table td,
    .error-types-table td,
    .rate-limit-table td,
    .params-table td {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.875rem;
    }

    .api-section h2 {
        font-size: 1.5rem;
    }

    .api-section h3 {
        font-size: 1.125rem;
    }
}

/* ============================================
   Email Analytics Section Styles
   ============================================ */
.email-analytics-section {
    padding: var(--spacing-5xl) 0;
    background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 50%, #BFDBFE 100%);
    position: relative;
    overflow: hidden;
}

.email-analytics-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%232563EB' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.section-badge {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(37, 99, 235, 0.1);
    color: var(--color-primary);
    border-radius: var(--border-radius-2xl);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.analytics-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-xl);
    margin: var(--spacing-3xl) 0;
    position: relative;
    z-index: 1;
}

.analytics-feature {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    border: 1px solid rgba(37, 99, 235, 0.2);
    transition: all var(--transition);
}

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

.analytics-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.analytics-icon svg {
    width: 28px;
    height: 28px;
    color: var(--color-primary);
}

.analytics-feature h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.analytics-feature p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
}

.analytics-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--spacing-3xl);
    position: relative;
    z-index: 1;
}

.analytics-cta .btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--border-radius-md);
    font-family: 'Montserrat', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition);
}

.analytics-cta .btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
    color: white;
}

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

.analytics-cta .btn-outline {
    background: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
}

.analytics-cta .btn-outline:hover {
    background: var(--color-primary);
    color: white;
}

@media (max-width: 768px) {
    .analytics-features {
        grid-template-columns: 1fr;
    }
    
    .analytics-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .analytics-cta .btn {
        width: 100%;
        max-width: 300px;
    }
}

/* ============================================
   Features Page Styles
   ============================================ */
.features-hero {
    background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 50%, #BFDBFE 100%);
}

.featured-card {
    background: white;
    border: 1px solid var(--border-color);
}

.feature-list {
    list-style: none;
    padding: 0;
    margin-top: var(--spacing-md);
}

.feature-list li {
    padding: var(--spacing-xs) 0;
    font-size: 0.875rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
}

.feature-list li::before {
    content: "✓";
    color: var(--color-success);
    margin-right: var(--spacing-sm);
    font-weight: bold;
    font-size: 1rem;
}

/* ============================================
   Email Analytics Page Styles
   ============================================ */
.feature-detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.feature-detail-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    transition: all var(--transition);
}

.feature-detail-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.feature-detail-icon {
    width: 48px;
    height: 48px;
    background: #EFF6FF;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.feature-detail-icon svg {
    width: 24px;
    height: 24px;
    color: var(--color-primary);
}

.feature-detail-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.feature-detail-card p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
}

.event-types-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.event-type-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.event-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-xl);
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.event-badge.delivered { background: #ECFDF5; color: #10B981; }
.event-badge.opened { background: #EFF6FF; color: #2563EB; }
.event-badge.clicked { background: #FEF3C7; color: #F59E0B; }
.event-badge.bounced { background: #FEE2E2; color: #EF4444; }
.event-badge.complained { background: #F3E8FF; color: #9333EA; }
.event-badge.campaign { background: #F1F5F9; color: #64748B; }

.event-type-card h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    font-family: monospace;
}

.event-type-card p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.use-case-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    position: relative;
    border: 1px solid var(--border-color);
}

.use-case-number {
    position: absolute;
    top: -0.5rem;
    left: var(--spacing-lg);
    background: var(--color-primary);
    color: white;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
}

.use-case-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin: var(--spacing-sm) 0 var(--spacing-sm) 0;
}

.use-case-card p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
}

/* ============================================
   SDK Quick Start Tabs
   ============================================ */

.tabs {
    margin-top: var(--spacing-lg);
}

.tab-buttons {
    display: flex;
    gap: var(--spacing-sm);
    border-bottom: 2px solid var(--border-color);
    margin-bottom: var(--spacing-lg);
}

.tab-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-secondary);
    font-size: 0.9375rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: var(--font-family);
    margin-bottom: -2px;
}

.tab-btn:hover {
    color: var(--color-primary);
    background: var(--bg-hover);
}

.tab-btn.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
    font-weight: 600;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 768px) {
    .feature-detail-grid,
    .event-types-grid,
    .use-cases-grid {
        grid-template-columns: 1fr;
    }

    .tab-buttons {
        flex-wrap: wrap;
    }

    .tab-btn {
        flex: 1;
        min-width: 80px;
        text-align: center;
    }

    .sdk-tab-buttons {
        flex-direction: column;
    }

    .sdk-tab-btn {
        width: 100%;
    }
}

/* ============================================
   SDK Quick Start Tabs (Enhanced)
   ============================================ */

.sdk-tabs {
    margin-top: var(--spacing-xl);
}

.sdk-tab-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    background: var(--bg-surface);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
}

.sdk-tab-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    background: transparent;
    border: none;
    border-radius: var(--border-radius);
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: var(--font-family);
    flex: 1;
}

.sdk-tab-icon {
    font-size: 1.5rem;
    line-height: 1;
}

.sdk-tab-label {
    font-size: 0.9375rem;
}

.sdk-tab-btn:hover {
    background: var(--bg-hover);
    color: var(--color-primary);
}

.sdk-tab-btn.active {
    background: var(--color-primary);
    color: white;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}

.sdk-tab-content {
    display: none;
}

.sdk-tab-content.active {
    display: block;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.sdk-tab-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.sdk-tab-header h3 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.sdk-tab-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.sdk-tab-links a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9375rem;
    transition: color 0.2s ease;
}

.sdk-tab-links a:hover {
    color: var(--color-primary-hover);
    text-decoration: underline;
}

.sdk-tab-links .separator {
    color: var(--text-muted);
}

.sdk-install-section,
.sdk-quickstart-section {
    margin-bottom: var(--spacing-xl);
}

.sdk-install-section:last-child,
.sdk-quickstart-section:last-child {
    margin-bottom: 0;
}

.sdk-install-section h4,
.sdk-quickstart-section h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}