/* Option 1: Bold & Minimal */
/* Inspired by Linear, Vercel - Clean, high-contrast, large typography */

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

:root {
    --color-bg: #FFFFFF;
    --color-bg-subtle: #F8F9FA;
    --color-text: #000000;
    --color-text-secondary: #666666;
    --color-border: #E5E5E5;
    --color-primary: #1D70E3;
    --color-primary-hover: #155BB8;
    --color-primary-light: #E3F0FF;
    --color-primary-text: #0D4FA3;  /* Darker blue for small text - WCAG AA compliant (7:1 ratio) */

    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-2xl: 64px;
    --spacing-3xl: 96px;
    --spacing-4xl: 128px;

    --shadow-subtle: 0 1px 3px rgba(0, 0, 0, 0.04);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

/* Navigation */
.nav {
    position: sticky;
    top: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    z-index: 100;
}

.nav .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo-img {
    height: 24px;
    display: block;
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-links a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: color 0.2s;
}

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

/* Hero */
.hero {
    padding: var(--spacing-4xl) 0 var(--spacing-3xl);
    text-align: center;
}

.announcement {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: #F5F5F5;
    border-radius: 100px;
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
}

/* Pill/Badge Design */
.announcement-badge,
.pill {
    display: inline-block;
    background: var(--color-primary);
    color: #FFFFFF !important;
    padding: 4px 12px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.announcement-badge {
    padding: 2px 8px;
}

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

.hero-title {
    font-size: 72px;
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.hero-subtitle {
    font-size: 20px;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
    font-family: inherit;
}

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

.btn-primary:hover {
    background: var(--color-primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(29, 112, 227, 0.3);
}

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

.btn-secondary:hover {
    border-color: var(--color-text-secondary);
    background: #FAFAFA;
}

/* Product Section */
.product {
    padding: var(--spacing-3xl) 0;
    background: white;
    border-top: 1px solid var(--color-border);
    box-shadow: inset 0 1px 0 0 rgba(0, 0, 0, 0.02);
}

.product-content {
    max-width: 700px;
}

.product-header {
    margin-bottom: var(--spacing-md);
}

.product-header .pill {
    margin-bottom: var(--spacing-md);
}

.product-title {
    font-size: 48px;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

.product-description {
    font-size: 18px;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

/* Access Section */
.access {
    padding: var(--spacing-3xl) 0;
}

.access-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.section-title {
    font-size: 48px;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: 18px;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.access-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.form-row {
    display: flex;
    gap: var(--spacing-sm);
}

.access-form input {
    flex: 1;
    padding: 14px 18px;
    font-size: 15px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-family: inherit;
    transition: border-color 0.2s;
}

.access-form input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-note {
    font-size: 14px;
    color: var(--color-text-secondary);
}

/* About Section */
.about {
    padding: var(--spacing-3xl) 0;
    background: var(--color-bg-subtle);
    border-top: 1px solid var(--color-border);
    box-shadow:
        inset 0 1px 0 0 rgba(0, 0, 0, 0.02),
        inset 0 -1px 0 0 rgba(0, 0, 0, 0.02);
}

.about-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

.about-text {
    font-size: 18px;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.audience-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

.audience-list {
    list-style: none;
}

.audience-list li {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-border);
    font-weight: 500;
}

.audience-list li:last-child {
    border-bottom: none;
}

/* Newsletter Section */
.newsletter {
    padding: var(--spacing-3xl) 0;
}

.newsletter-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-sm);
    max-width: 500px;
    margin: 0 auto;
}

.newsletter-form input {
    flex: 1;
    padding: 14px 18px;
    font-size: 15px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-family: inherit;
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

/* Footer */
.footer {
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    background: var(--color-bg-subtle);
    box-shadow: inset 0 1px 0 0 rgba(0, 0, 0, 0.02);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: var(--spacing-lg);
}

.footer-logo {
    height: 20px;
    margin-bottom: var(--spacing-xs);
}

.footer-tagline {
    font-size: 14px;
    color: var(--color-text-secondary);
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-links a {
    font-size: 14px;
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color 0.2s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.footer-bottom p {
    font-size: 14px;
    color: var(--color-text-secondary);
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 48px;
    }

    .section-title,
    .product-title {
        font-size: 36px;
    }

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

    .form-row {
        flex-direction: column;
    }

    .newsletter-form {
        flex-direction: column;
    }

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

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