:root {
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --secondary: #10b981;
    --secondary-hover: #059669;
    --dark: #0f172a;
    --light: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --white: #ffffff;
    --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --glass: rgba(255, 255, 255, 0.8);
    --border-radius: 12px;
}

.ad-container-horizontal {
    width: 100%;
    display: flex;
    justify-content: center;
    padding: 20px 0;
    overflow: hidden;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--light);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Navbar */
.header {
    background-color: var(--white);
    padding: 20px 0;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.85);
}

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

.logo {
    font-size: 24px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--dark);
}

.logo .highlight {
    color: var(--primary);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--primary);
}

/* Hero Section */
.hero-section {
    padding: 80px 0;
    background: radial-gradient(circle at top right, #e0e7ff 0%, #f8fafc 40%);
    text-align: center;
}

.hero-content h1 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 20px;
    background: linear-gradient(to right, var(--primary), #8b5cf6);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    font-size: 18px;
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto 40px;
}

.email-container {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.email-box {
    background: var(--white);
    padding: 15px;
    border-radius: 20px;
    box-shadow: var(--shadow);
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    align-items: center;
    border: 1px solid var(--gray-200);
}

.email-box input {
    flex: 1;
    min-width: 280px;
    padding: 15px 20px;
    border: 2px solid var(--gray-100);
    border-radius: 12px;
    font-size: 18px;
    font-family: inherit;
    color: var(--primary);
    font-weight: 600;
    outline: none;
    background: var(--gray-100);
}

.email-actions {
    display: flex;
    gap: 10px;
}

.btn {
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    border: none;
    font-size: 15px;
}

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

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

.btn-secondary {
    background-color: var(--secondary);
    color: var(--white);
}

.btn-secondary:hover {
    background-color: var(--secondary-hover);
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--gray-200);
    color: var(--text-muted);
}

.btn-outline:hover {
    background-color: var(--gray-100);
    border-color: var(--gray-300);
}

.copy-status {
    position: absolute;
    bottom: -35px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--dark);
    color: var(--white);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 12px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.copy-status.show {
    opacity: 1;
}

/* Inbox Section */
.inbox-section {
    padding: 40px 0;
}

.inbox-card {
    background: var(--white);
    border-radius: 24px;
    box-shadow: var(--shadow);
    overflow: hidden;
    border: 1px solid var(--gray-200);
}

.inbox-header {
    padding: 25px 30px;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.inbox-header h2 {
    font-size: 20px;
    font-weight: 700;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--text-muted);
}

.pulse {
    width: 10px;
    height: 10px;
    background: var(--secondary);
    border-radius: 50%;
    box-shadow: 0 0 0 rgba(16, 185, 129, 0.4);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    }

    70% {
        transform: scale(1);
        box-shadow: 0 0 0 10px rgba(16, 185, 129, 0);
    }

    100% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    }
}

.inbox-table-wrapper {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th {
    text-align: left;
    padding: 15px 30px;
    background: var(--gray-100);
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

td {
    padding: 20px 30px;
    border-bottom: 1px solid var(--gray-100);
    transition: background 0.2s ease;
    cursor: pointer;
}

tr:hover td {
    background-color: #f7f9ff;
}

.empty-state {
    text-align: center;
    padding: 60px 0;
    color: var(--text-muted);
}

.empty-icon {
    font-size: 48px;
    margin-bottom: 15px;
    opacity: 0.5;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    background-color: var(--white);
    margin: 5% auto;
    padding: 40px;
    border-radius: 20px;
    width: 80%;
    max-width: 800px;
    position: relative;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.close-modal {
    position: absolute;
    right: 25px;
    top: 25px;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    color: var(--text-muted);
}

.modal-meta {
    background: var(--gray-100);
    padding: 15px;
    border-radius: 12px;
    margin: 20px 0;
}

.message-body-content {
    padding: 20px 0;
}

/* Features & Content */
.features-section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 50px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-icon {
    font-size: 40px;
    margin-bottom: 20px;
}

.seo-content {
    padding: 80px 0;
    background: var(--white);
}

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

.content-wrapper h2 {
    font-size: 32px;
    margin: 40px 0 20px;
}

.content-wrapper h3 {
    font-size: 24px;
    margin: 30px 0 15px;
}

.content-wrapper p {
    margin-bottom: 20px;
    color: var(--text-muted);
}

.content-wrapper ol {
    margin: 20px 0 20px 20px;
    color: var(--text-muted);
}

.faq-section {
    margin-top: 60px;
}

.faq-item {
    margin-bottom: 30px;
}

.faq-item h3 {
    font-size: 20px;
    color: var(--dark);
}

/* Footer */
.footer {
    background: var(--dark);
    color: var(--white);
    padding: 60px 0;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.footer-logo {
    font-size: 24px;
    font-weight: 700;
}

.footer-links {
    display: flex;
    list-style: none;
    gap: 30px;
    margin-top: 20px;
}

.footer-links a {
    color: var(--gray-400);
    text-decoration: none;
    font-size: 14px;
}

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

/* Comparison Table */
.comparison-section {
    padding: 80px 0;
    background: #f1f5f9;
}

.table-container {
    overflow-x: auto;
    background: var(--white);
    padding: 30px;
    border-radius: 24px;
    box-shadow: var(--shadow);
    max-width: 900px;
    margin: 0 auto;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.comparison-table th {
    padding: 20px;
    border-bottom: 2px solid var(--gray-100);
    color: var(--dark);
    font-weight: 700;
}

.comparison-table td {
    padding: 20px;
    border-bottom: 1px solid var(--gray-100);
}

.comparison-table td:nth-child(2) {
    color: var(--primary);
    font-weight: 700;
}

.benefits-list {
    background: #eff6ff;
    padding: 30px;
    border-radius: 20px;
    margin: 30px 0;
    border-left: 5px solid var(--primary);
}

.benefits-list ul {
    list-style: none;
    margin-top: 15px;
}

.benefits-list li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-main);
}

.benefits-list li::before {
    content: "✅";
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero-content h1 {
        font-size: 32px;
    }

    .email-box {
        flex-direction: column;
    }

    .email-box input {
        width: 100%;
    }

    .email-actions {
        width: 100%;
        justify-content: center;
    }

    .modal-content {
        width: 95%;
        padding: 20px;
    }
}