:root {
    --color-primary: #1a1a1a;
    --color-secondary: #2d2d2d;
    --color-accent: #0a0a0a;
    --color-text: #171717;
    --color-text-light: #525252;
    --color-text-muted: #737373;
    --color-bg: #ffffff;
    --color-bg-subtle: #fafafa;
    --color-border: #e5e5e5;
    --color-border-light: #f5f5f5;

    --font-heading: 'Cabinet Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;

    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;
    --spacing-2xl: 8rem;

    --border-radius: 12px;
    --border-radius-lg: 16px;
    --transition: all 0.2s ease;
}

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

body {
    font-family: var(--font-body);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
    overflow-x: hidden;
    position: relative;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-text), transparent);
    opacity: 0.1;
    z-index: 1000;
}

.grain-overlay {
    display: none;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header */
.header {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border-light);
    padding: 1.25rem 0;
    z-index: 100;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.125rem;
    letter-spacing: -0.02em;
    color: var(--color-text);
}

.logo-icon {
    font-size: 1.25rem;
}

.logo-text {
    color: var(--color-text);
}

.nav {
    display: flex;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--color-text-muted);
    font-weight: 500;
    font-size: 0.9375rem;
    transition: var(--transition);
    position: relative;
    padding: 0.5rem 0;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-text);
}

/* Tab Content */
.tab-content {
    display: none;
}

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

/* Hero Section */
.hero {
    padding: var(--spacing-2xl) 0 var(--spacing-xl) 0;
    position: relative;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

.hero .container {
    max-width: 980px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--color-bg-subtle);
    color: var(--color-text);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--color-border);
}

.hero-badge svg {
    color: var(--color-accent);
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.03em;
    color: var(--color-text);
}

.gradient-text {
    color: var(--color-text);
    display: block;
    position: relative;
    display: inline-block;
}

.gradient-text::after {
    content: '';
    position: absolute;
    bottom: 0.1em;
    left: 0;
    right: 0;
    height: 0.12em;
    background: var(--color-text);
    opacity: 0.15;
    z-index: -1;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--color-text-light);
    max-width: 680px;
    margin-bottom: var(--spacing-lg);
    line-height: 1.65;
}

.hero-cta {
    margin-bottom: var(--spacing-xl);
}

.cta-button {
    background: var(--color-primary);
    color: var(--color-bg);
    border: none;
    padding: 1rem 2rem;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--border-radius);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.6s ease;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15);
}

.cta-button:hover::before {
    left: 100%;
}

.cta-arrow {
    transition: var(--transition);
    font-size: 1.25rem;
}

.cta-button:hover .cta-arrow {
    transform: translateX(3px);
}

.cta-subtext {
    margin-top: var(--spacing-sm);
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: var(--spacing-md);
    max-width: 680px;
}

.stat-card {
    background: var(--color-bg);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-text), transparent);
    opacity: 0.15;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--color-text);
    line-height: 1;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

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

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.feature-card {
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    background: var(--color-bg);
    transition: var(--transition);
    border: 1px solid var(--color-border);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.02) 0%, transparent 50%);
    opacity: 0;
    transition: var(--transition);
}

.feature-card:hover {
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    border-color: var(--color-text);
    transform: translateY(-4px);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.feature-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.01em;
    color: var(--color-text);
}

.feature-description {
    color: var(--color-text-light);
    line-height: 1.7;
}

/* How It Works Section */
.how-it-works {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg);
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    letter-spacing: -0.02em;
    color: var(--color-text);
    position: relative;
    padding-bottom: var(--spacing-md);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-text), transparent);
    opacity: 0.2;
}

.steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    max-width: 1280px;
    margin: 0 auto;
}

.step {
    position: relative;
    padding: var(--spacing-md);
    border-left: 2px solid transparent;
    transition: var(--transition);
}

.step:hover {
    border-left-color: var(--color-text);
    background: rgba(0, 0, 0, 0.01);
}

.step-number {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-text);
    line-height: 1;
    margin-bottom: var(--spacing-sm);
    opacity: 0.12;
}

.step-content {
    flex: 1;
}

.step-title {
    font-family: var(--font-heading);
    font-size: 1.375rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    letter-spacing: -0.01em;
    color: var(--color-text);
}

.step-description {
    color: var(--color-text-light);
    line-height: 1.7;
}

.step-connector {
    display: none;
}

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

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
    max-width: 1100px;
    margin: 0 auto;
}

.faq-item {
    padding: var(--spacing-md);
    background: var(--color-bg-subtle);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.faq-item:hover {
    border-color: var(--color-text);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.faq-question {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
    letter-spacing: -0.01em;
}

.faq-answer {
    color: var(--color-text-light);
    line-height: 1.7;
}

/* Testimonial Section */
.testimonial {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-subtle);
}

.testimonial-card {
    max-width: 840px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    background: var(--color-bg);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--color-border);
    position: relative;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.04);
}

.testimonial-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: var(--spacing-lg);
    right: var(--spacing-lg);
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

.quote-mark {
    display: none;
}

.testimonial-text {
    font-size: 1.25rem;
    line-height: 1.75;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--color-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1rem;
}

.author-name {
    font-weight: 600;
    color: var(--color-text);
}

.author-title {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* Contact Section */
.contact {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-subtle);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    max-width: 1000px;
    margin: 0 auto;
}

.contact-heading {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.02em;
    color: var(--color-text);
}

.contact-text {
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-button {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--color-primary);
    color: var(--color-bg);
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    width: fit-content;
}

.contact-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.contact-note {
    padding: var(--spacing-md);
    background: var(--color-bg);
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
}

.contact-note p {
    margin-bottom: 0.5rem;
    color: var(--color-text-light);
    font-size: 0.9375rem;
}

.contact-note p:last-child {
    margin-bottom: 0;
}

.contact-callout {
    padding: var(--spacing-lg);
    background: var(--color-bg);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--color-border);
}

.contact-callout h4 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
    letter-spacing: -0.01em;
}

.contact-checklist {
    list-style: none;
    margin-bottom: var(--spacing-md);
}

.contact-checklist li {
    padding: 0.5rem 0;
    color: var(--color-text-light);
    font-size: 0.9375rem;
}

.contact-callout-note {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    font-style: italic;
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--color-border);
}

/* CTA Section */
.cta-section {
    padding: var(--spacing-xl) 0;
    background: var(--color-primary);
}

.cta-card {
    text-align: center;
    color: var(--color-bg);
    max-width: 720px;
    margin: 0 auto;
}

.cta-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 2.75rem);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.02em;
}

.cta-description {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-md);
}

.cta-section .cta-button {
    background: var(--color-bg);
    color: var(--color-primary);
}

.cta-section .cta-button:hover {
    background: var(--color-bg-subtle);
}

/* Directories Section */
.directories-section {
    padding: var(--spacing-2xl) 0 var(--spacing-xl) 0;
    min-height: 80vh;
}

.directories-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.directories-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.03em;
    color: var(--color-text);
}

.directories-description {
    font-size: 1.125rem;
    color: var(--color-text-light);
    max-width: 680px;
    margin: 0 auto var(--spacing-xl);
    line-height: 1.65;
}

.directories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-md);
}

.directory-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.directory-card::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-text), transparent);
    opacity: 0;
    transition: var(--transition);
}

.directory-card:hover {
    border-color: var(--color-text);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

.directory-card:hover::before {
    opacity: 0.2;
}

.directory-number {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-border);
    line-height: 1;
    transition: var(--transition);
}

.directory-card:hover .directory-number {
    color: var(--color-text);
    opacity: 0.2;
}

.directory-name {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--color-text);
    letter-spacing: -0.01em;
    padding-right: 2.5rem;
}

.directory-link {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    text-decoration: none;
    word-break: break-all;
    transition: var(--transition);
    display: block;
}

.directory-link:hover {
    color: var(--color-text);
}

/* Paid Add-Ons Section */
.paid-addons-section {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-subtle);
    border-top: 1px solid var(--color-border);
}

.paid-addons-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.paid-addons-title {
    font-family: var(--font-heading);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.02em;
    color: var(--color-text);
}

.paid-addons-description {
    font-size: 1rem;
    color: var(--color-text-light);
    max-width: 680px;
    margin: 0 auto;
    line-height: 1.65;
}

.paid-addon-card {
    border-color: var(--color-text);
    background: var(--color-bg);
}

.paid-addon-badge {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: var(--color-text);
    color: var(--color-bg);
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Footer */
.footer {
    background: var(--color-bg-subtle);
    color: var(--color-text);
    padding: var(--spacing-lg) 0;
    margin-top: 0;
    border-top: 1px solid var(--color-border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-left .logo {
    margin-bottom: var(--spacing-xs);
}

.footer-tagline {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.footer-text {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

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

    .hero-title {
        font-size: 2.25rem;
    }

    .hero-description {
        font-size: 1.125rem;
    }

    .features-grid,
    .directories-grid {
        grid-template-columns: 1fr;
    }

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

    .contact-content {
        grid-template-columns: 1fr;
    }

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

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .nav {
        gap: var(--spacing-sm);
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Selection */
::selection {
    background: rgba(0, 0, 0, 0.1);
    color: var(--color-text);
}