:root {
    /* Color Palette */
    --primary-bg: #F8F9FA;
    --secondary-bg: #F1F3F4;
    --dark-bg: #2D2D2D;
    
    --primary: #2D2D2D;
    --primary-hover: #1A1A1A;
    --black: #000000;
    
    --text-main: #2D3748;
    --text-secondary: #4A5568;
    --text-muted: #718096;
    
    --border-color: #E2E8F0;
    --white: #FFFFFF;
    
    --grey-medium: #4A4A4A;
    --grey-support: #808080;

    /* Typography */
    --font-family: 'Inter', sans-serif;
    
    /* Spacing & Sizes */
    --container-width: 1200px;
    --border-radius-sm: 8px;
    --border-radius: 12px;
    --border-radius-lg: 20px;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --shadow-hover: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    color: var(--text-main);
    background-color: var(--primary-bg);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Container */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 24px;
    font-weight: 600;
    font-size: 15px;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all 0.3s ease;
    gap: 8px;
    border: none;
}

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

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

.btn-secondary {
    background-color: var(--white);
    color: var(--primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--primary-bg);
    border-color: var(--grey-medium);
}

.btn-outline {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

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

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

/* Typography Classes */
.text-center { text-align: center; }

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.header.scrolled {
    box-shadow: var(--shadow-sm);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    text-decoration: none;
}

.logo svg {
    stroke: var(--primary);
}

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

.logo-text .text-primary {
    font-weight: 800;
    color: var(--primary);
}

.logo-text .text-muted {
    font-weight: 300;
    color: var(--text-muted);
    margin-left: 4px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 40px;
}

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

.nav-links a {
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 15px;
}

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

.nav-actions {
    display: flex;
    gap: 16px;
    align-items: center;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 28px;
    color: var(--text-main);
    cursor: pointer;
}

/* Hero Section */
.hero {
    padding: 160px 0 80px;
    background: linear-gradient(to bottom, var(--white), var(--primary-bg));
    overflow: hidden;
}

.hero-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 60px;
}

.hero-content {
    max-width: 800px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background-color: var(--secondary-bg);
    color: var(--text-main);
    font-size: 14px;
    font-weight: 600;
    border-radius: 50px;
    border: 1px solid var(--border-color);
}

.badge i {
    color: var(--primary);
    font-size: 18px;
}

.hero h1 {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--black);
}

.hero p {
    font-size: 20px;
    color: var(--text-secondary);
    max-width: 600px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-top: 16px;
}

.trust-indicators {
    display: flex;
    gap: 32px;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 500;
}

.trust-item i {
    font-size: 20px;
    color: var(--grey-support);
}

/* Hero Mockups */
.hero-image {
    width: 100%;
    position: relative;
    perspective: 1000px;
}

.mockup-container {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    border-radius: var(--border-radius-lg);
    background: var(--white);
    padding: 12px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    transform: translateY(0);
    transition: transform 0.5s ease;
}

.mockup-container:hover {
    transform: translateY(-10px);
}

.mockup-desktop {
    border-radius: 8px;
    border: 1px solid var(--border-color);
    width: 100%;
}

.mockup-mobile {
    position: absolute;
    bottom: -30px;
    right: -30px;
    width: 250px;
    border-radius: 12px;
    box-shadow: var(--shadow-hover);
    border: 4px solid var(--black);
    background: var(--white);
}

/* Features Section */
.features {
    padding: 100px 0;
    background-color: var(--white);
}

.section-header {
    margin-bottom: 64px;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--black);
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
}

.feature-card {
    background: var(--primary-bg);
    padding: 32px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.feature-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
    background: var(--white);
    border-color: var(--grey-support);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: var(--secondary-bg);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.feature-icon i {
    font-size: 28px;
    color: var(--primary);
}

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

.feature-card p {
    color: var(--text-secondary);
    font-size: 15px;
}

/* Modules Breakdown */
.modules-breakdown {
    padding: 100px 0;
}

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

.module-row {
    display: flex;
    align-items: center;
    gap: 64px;
    margin-bottom: 100px;
}

.module-row:last-child {
    margin-bottom: 0;
}

.module-row.reverse {
    flex-direction: row-reverse;
}

.module-text {
    flex: 1;
}

.module-label {
    display: inline-block;
    color: var(--primary);
    font-weight: 700;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.module-text h2 {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--black);
    line-height: 1.2;
}

.module-text p {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.module-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-main);
}

.module-list i {
    color: var(--primary);
    font-size: 20px;
    background: var(--border-color);
    border-radius: 50%;
    padding: 4px;
}

.module-image {
    flex: 1;
}

.module-image img {
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.tablet-mockup img {
    max-width: 80%;
    margin: 0 auto;
    border: 8px solid var(--black);
    border-radius: 24px;
}

/* Final CTA */
.cta-section {
    padding: 100px 0;
    background-color: var(--dark-bg);
    color: var(--white);
    text-align: center;
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 24px;
    line-height: 1.2;
}

.cta-content p {
    font-size: 20px;
    color: var(--grey-support);
    margin-bottom: 40px;
}

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

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

/* Pricing Section */
.pricing {
    padding: 100px 0;
    background-color: var(--white);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    margin-top: 48px;
    max-width: 900px;
    margin-inline: auto;
    align-items: stretch;
}

.pricing-card {
    background: var(--primary-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 40px 32px;
    text-align: center;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}

.pricing-card.featured {
    background: var(--primary);
    color: var(--white);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.pricing-card.featured:hover {
    transform: translateY(-5px);
}

.pricing-card .btn {
    margin-top: auto;
}

.pricing-card.featured .plan-name,
.pricing-card.featured .plan-price,
.pricing-card.featured .plan-price span,
.pricing-card.featured .plan-desc,
.pricing-card.featured .plan-features li {
    color: var(--white);
}

.pricing-card.featured .plan-price span,
.pricing-card.featured .plan-desc {
    opacity: 0.9;
}

.pricing-card.featured .plan-features i {
    color: #4CAF50; /* Light green for contrast on dark */
}

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

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

.plan-name {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--black);
}

.plan-price {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 8px;
    color: var(--black);
}

.plan-price span {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-secondary);
}

.plan-desc {
    color: var(--text-secondary);
    margin-bottom: 32px;
    font-size: 15px;
    min-height: 48px;
}

.plan-features {
    text-align: left;
    margin-bottom: 40px;
    flex: 1;
}

.plan-features li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 15px;
    color: var(--text-main);
}

.plan-features i {
    color: var(--primary);
    font-size: 20px;
    margin-top: 2px;
}

/* Footer */
.footer {
    background-color: var(--black);
    color: var(--white);
    padding: 80px 0 32px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 64px;
    margin-bottom: 64px;
}

.footer-brand p {
    color: var(--grey-support);
    margin-top: 24px;
    max-width: 300px;
    font-size: 15px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 28px;
    text-decoration: none;
    margin-bottom: 16px;
}

.footer-logo svg {
    stroke: var(--white);
}

.footer-logo .text-primary {
    font-weight: 800;
    color: var(--white);
}

.footer-logo .text-muted {
    font-weight: 300;
    color: var(--grey-support);
    margin-left: 4px;
}

.footer-links h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 24px;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-links a {
    color: var(--grey-support);
    font-size: 15px;
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 32px;
    border-top: 1px solid var(--grey-medium);
    color: var(--grey-support);
    font-size: 14px;
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-links a {
    color: var(--grey-support);
    font-size: 24px;
}

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

/* Responsive */
@media (max-width: 992px) {
    .hero h1 { font-size: 48px; }
    .hero p { font-size: 18px; }
    .module-row, .module-row.reverse {
        flex-direction: column;
        text-align: center;
        gap: 40px;
    }
    .module-list li {
        justify-content: center;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .mockup-mobile {
        width: 180px;
        bottom: -20px;
        right: -10px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--white);
        flex-direction: column;
        padding: 40px 24px;
        transition: 0.3s ease;
        align-items: flex-start;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-links {
        flex-direction: column;
        width: 100%;
    }

    .nav-links a {
        display: block;
        padding: 16px 0;
        font-size: 18px;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-actions {
        margin-top: 32px;
        flex-direction: column;
        width: 100%;
    }

    .nav-actions .btn {
        width: 100%;
    }

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

    .hero {
        padding: 120px 0 60px;
    }

    .hero h1 {
        font-size: 36px;
    }

    .hero-cta {
        flex-direction: column;
        width: 100%;
    }

    .trust-indicators {
        flex-direction: column;
        gap: 16px;
    }

    .cta-content h2 {
        font-size: 32px;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 420px;
    }

    .plan-desc {
        min-height: auto;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 24px;
        text-align: center;
    }
}

/* Subpages */
.page-main {
    padding-top: 100px;
    min-height: calc(100vh - 400px);
}

.page-hero {
    padding: 64px 0 48px;
    background: var(--white);
    border-bottom: 1px solid var(--border-color);
}

.page-hero h1 {
    font-size: 40px;
    font-weight: 800;
    color: var(--black);
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.page-hero p {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 720px;
}

.page-section {
    padding: 64px 0;
}

.page-content {
    max-width: 800px;
}

.page-content h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--black);
    margin: 40px 0 16px;
}

.page-content h2:first-child {
    margin-top: 0;
}

.page-content p,
.page-content li {
    color: var(--text-secondary);
    font-size: 16px;
    margin-bottom: 16px;
}

.page-content ul {
    list-style: disc;
    padding-left: 24px;
    margin-bottom: 24px;
}

.page-content a {
    color: var(--primary);
    text-decoration: underline;
}

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

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.contact-card {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 32px;
    transition: all 0.3s ease;
}

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

.contact-card-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-bg);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 24px;
    color: var(--primary);
}

.contact-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--black);
}

.contact-card p,
.contact-card a {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
}

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

.contact-cta {
    margin-top: 48px;
    text-align: center;
}

.about-intro {
    max-width: 800px;
    margin-bottom: 48px;
}

.about-intro p {
    font-size: 17px;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    margin-top: 32px;
}

.value-card {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 32px;
}

.value-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--black);
}

.value-card p {
    font-size: 15px;
    color: var(--text-secondary);
    margin: 0;
}

.about-highlight {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    margin-top: 48px;
}

.about-highlight h2 {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 16px;
}

.about-highlight p {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

@media (max-width: 768px) {
    .page-hero h1 {
        font-size: 32px;
    }
}