:root {
    /* Colors */
    --primary-color: #0052cc;
    --primary-dark: #003d99;
    --primary-light: #eff6ff;
    --secondary-color: #10b981;
    /* Green for success/money */
    --accent-color: #f59e0b;
    --text-color: #1e293b;
    --text-light: #64748b;
    --bg-color: #ffffff;
    --bg-light: #f8fafc;
    --bg-dark: #0f172a;
    --border-color: #e2e8f0;
    --white: #ffffff;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --container-width: 1200px;
    --header-height: 70px;

    /* Typography */
    --font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    --font-size-base: 16px;
    --font-size-h1: 2.5rem;
    --font-size-h2: 2rem;
    --font-size-h3: 1.5rem;

    /* Shadows & Radius */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --radius-md: 8px;
    --radius-lg: 12px;
}

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

html {
    scroll-behavior: smooth;
    font-size: var(--font-size-base);
}

body {
    font-family: var(--font-family);
    color: var(--text-color);
    background-color: var(--bg-color);
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img,
svg {
    max-width: 100%;
    display: block;
}

/* Utils */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

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

.text-white {
    color: white;
}

.text-white-50 {
    color: rgba(255, 255, 255, 0.7);
}

.text-muted {
    color: var(--text-light);
}

.text-sm {
    font-size: 0.875rem;
}

.mb-2 {
    margin-bottom: 0.5rem;
}

.mb-5 {
    margin-bottom: 3rem;
}

.mt-5 {
    margin-top: 3rem;
}

.section {
    padding: var(--spacing-lg) 0;
}

.bg-light {
    background-color: var(--bg-light);
}

.bg-dark {
    background-color: var(--bg-dark);
}

.bg-primary-light {
    background-color: var(--primary-light);
}

.section-title {
    font-size: var(--font-size-h2);
    margin-bottom: var(--spacing-sm);
    color: var(--text-color);
    font-weight: 700;
}

.section-desc {
    font-size: 1.125rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
}

/* Components */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 2px solid transparent;
}

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

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

.btn-outline {
    background-color: transparent;
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-light);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-block {
    display: block;
    width: 100%;
    text-align: center;
}

/* Header */
.header {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    height: var(--header-height);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav a {
    color: var(--text-color);
    font-weight: 500;
}

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

.nav .btn-primary {
    color: white;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-color);
}

/* Hero */
.hero {
    padding: 4rem 0;
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: var(--primary-light);
    color: var(--primary-color);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 1.5rem;
}

.hero h1 {
    font-size: var(--font-size-h1);
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--text-color);
}

.hero-sub {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
}

/* Carousel */
/* Carousel */
.hero-carousel {
    position: relative;
    width: 100%;
    /* Standard 16:9 ratio usually fits better for full screenshots */
    aspect-ratio: 16/9;
    border-radius: var(--radius-lg);
    overflow: hidden;
    /* Stronger, more premium shadow */
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    background-color: #f8fafc;
    border: 1px solid var(--border-color);
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transform: scale(1.02);
    /* Start slightly zoomed in */
    transition: opacity 1s ease-in-out, transform 1.5s ease-out;
    /* Dual transition */
}

.carousel-slide.active {
    opacity: 1;
    z-index: 10;
    transform: scale(1);
    /* Zoom out to normal */
}

.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.icon-box {
    width: 48px;
    height: 48px;
    background-color: var(--primary-light);
    color: var(--primary-color);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.feature-card ul {
    list-style: none;
    color: var(--text-light);
}

.feature-card li {
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
    font-size: 0.95rem;
}

.feature-card li::before {
    content: "•";
    color: var(--primary-color);
    position: absolute;
    left: 0;
    font-weight: bold;
}

/* Security */
.security-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.security-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: var(--radius-md);
}

.security-item h4 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
}

.security-item p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
}

/* Pricing */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 2rem;
    align-items: flex-start;
}

.pricing-card {
    background: white;
    padding: 2rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    position: relative;
    display: flex;
    flex-direction: column;
}

.pricing-card.popular {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
    z-index: 1;
    transform: scale(1.02);
}

.badge-pop {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--primary-color);
    color: white;
    padding: 0.25rem 1rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.plan-name {
    font-size: 1.25rem;
    text-align: center;
    margin-bottom: 1rem;
}

.plan-price {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.plan-price span {
    font-size: 1rem;
    color: var(--text-light);
    font-weight: 400;
}

.plan-features {
    margin: 1.5rem 0;
    flex-grow: 1;
}

.plan-features li {
    margin-bottom: 0.75rem;
    color: var(--text-light);
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    font-size: 0.95rem;
}

.plan-features li::before {
    content: "✓";
    color: var(--secondary-color);
    font-weight: bold;
}

/* Comparison Table */
.comparison-table-wrapper {
    overflow-x: auto;
    margin-top: 4rem;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 600px;
}

.comparison-table th,
.comparison-table td {
    padding: 1rem;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.comparison-table th:first-child,
.comparison-table td:first-child {
    text-align: left;
    font-weight: 600;
}

.comparison-table th {
    background-color: var(--bg-light);
    font-weight: 700;
}

/* Target Audience & Stats */
.audience-list li {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.audience-list li::before {
    content: "";
    display: block;
    width: 8px;
    height: 8px;
    background-color: var(--primary-color);
    border-radius: 50%;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    padding: 2rem;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.stat-card h3 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

/* Testimonials */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: var(--radius-lg);
    font-style: italic;
}

.quote {
    font-size: 1.125rem;
    color: var(--text-color);
    margin-bottom: 1.5rem;
}

.author {
    font-weight: 600;
    color: var(--primary-color);
    font-style: normal;
}

/* Contact Form */
.contact-container {
    max-width: 600px;
    background: white;
    padding: 3rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.contact-header {
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-color);
}

input,
select,
textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #cbd5e1;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.2s;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 82, 204, 0.1);
}

.form-note {
    font-size: 0.875rem;
    color: var(--text-light);
    text-align: center;
    margin-top: 1rem;
}

/* Footer */
.footer {
    background-color: #0f172a;
    color: white;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 2rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
}

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

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.footer-contact p {
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-contact a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s;
}

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

.copyright {
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    :root {
        --font-size-h1: 2rem;
        --section-spacing: 3rem;
    }

    .nav {
        display: none;
    }

    /* Simplified for mobile, could add hamburger */
    .menu-toggle {
        display: block;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-actions {
        justify-content: center;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

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