/* Reset & Base Styles */
:root {
    --color-black: #000000;
    --color-white: #ffffff;
    --color-charcoal: #333333;
    --color-gray-light: #f4f4f4;
    --color-gray-medium: #888888;
    --font-primary: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;
    --container-width: 1200px;
    --header-height: 80px;
}

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

body {
    font-family: var(--font-primary);
    background-color: var(--color-white);
    color: var(--color-black);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
    transition: opacity 0.2s ease;
}

a:hover {
    opacity: 0.7;
}

ul {
    list-style: none;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 500;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: 3.5rem;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 2.5rem;
    letter-spacing: -0.01em;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: var(--spacing-sm);
    font-size: 1.125rem;
    color: var(--color-charcoal);
}

.micro-line {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-gray-medium);
    margin-top: var(--spacing-sm);
}

.subpage-statement {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-gray-medium);
    margin-top: var(--spacing-lg);
    max-width: 800px;
}

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

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

.dark-section {
    background-color: var(--color-black);
    color: var(--color-white);
}

.dark-section p {
    color: var(--color-gray-light);
}

/* Header */
header {
    position: sticky;
    top: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(5px);
    z-index: 1000;
    border-bottom: 1px solid var(--color-gray-light);
    height: var(--header-height);
    display: flex;
    align-items: center;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    text-transform: uppercase;
}

.nav-desktop {
    display: none;
}

.nav-desktop ul {
    display: flex;
    gap: var(--spacing-md);
}

.nav-desktop a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-charcoal);
}

.nav-desktop a.active {
    color: var(--color-black);
    border-bottom: 1px solid var(--color-black);
}

.cta-button {
    display: inline-block;
    background-color: var(--color-black);
    color: var(--color-white);
    padding: 0.5rem 1.25rem;
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid var(--color-black);
    cursor: pointer;
    transition: all 0.2s ease;
}

.cta-button:hover {
    background-color: var(--color-white);
    color: var(--color-black);
    opacity: 1;
}

.cta-button.secondary {
    background-color: transparent;
    color: var(--color-black);
    border: 1px solid var(--color-black);
}

.cta-button.secondary:hover {
    background-color: var(--color-black);
    color: var(--color-white);
}

.cta-button.inverse {
    background-color: var(--color-white);
    color: var(--color-black);
    border-color: var(--color-white);
}

.cta-button.inverse:hover {
    background-color: var(--color-black);
    color: var(--color-white);
}

/* Mobile Menu */
.mobile-toggle {
    display: block;
    cursor: pointer;
    font-size: 1.5rem;
}

.mobile-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background-color: var(--color-white);
    padding: var(--spacing-md);
    transform: translateX(100%);
    transition: transform 0.3s ease-in-out;
    z-index: 999;
}

.mobile-menu.active {
    transform: translateX(0);
}

.mobile-menu ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.mobile-menu a {
    font-size: 1.5rem;
    font-weight: 500;
}

/* Mobile Sticky CTA */
.mobile-cta-sticky {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: var(--spacing-sm);
    background-color: var(--color-white);
    border-top: 1px solid var(--color-gray-light);
    z-index: 998;
    display: block;
}

.mobile-cta-sticky .cta-button {
    width: 100%;
    text-align: center;
}

/* Components */
.grid-4 {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.card {
    border: 1px solid var(--color-gray-light);
    padding: var(--spacing-md);
    transition: border-color 0.2s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.card:hover {
    border-color: var(--color-black);
}

.card h3 {
    margin-bottom: var(--spacing-sm);
    font-size: 1.25rem;
}

.card p {
    font-size: 1rem;
    color: var(--color-charcoal);
    margin-bottom: var(--spacing-md);
}


.process-step {
    text-align: center;
    padding: 0.25rem 0;
    position: relative;
}

.process-step:not(:last-child)::after {
    content: "↓";
    display: block;
    margin-top: 0.25rem;
    color: var(--color-gray-medium);
}

.statement-box {
    border: 1px solid var(--color-black);
    padding: var(--spacing-md);
    margin: var(--spacing-md) 0;
    background-color: var(--color-gray-light);
}

.statement-box a {
    color: var(--color-black);
    text-decoration: underline;
    text-underline-offset: 3px;
    font-weight: 600;
}

.statement-box a:hover {
    color: var(--color-gray-medium);
}

.form-group {
    margin-bottom: var(--spacing-sm);
}

.form-group label {
    display: block;
    margin-bottom: 0.25rem;
    font-weight: 500;
    font-size: 0.9rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--color-gray-medium);
    font-family: inherit;
    font-size: 1rem;
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

/* Footer */
footer {
    background-color: var(--color-gray-light);
    padding: var(--spacing-lg) 0 var(--spacing-xl); /* Extra bottom padding for mobile sticky CTA */
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.footer-links a {
    display: block;
    margin-bottom: 0.5rem;
}

.footer-bottom {
    border-top: 1px solid #ddd;
    padding-top: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--color-charcoal);
}

/* Venture Cards */
.ventures-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.venture-card {
    border: 1px solid var(--color-gray-light);
    padding: var(--spacing-md);
}

.venture-name {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.venture-role {
    font-size: 0.95rem;
    font-style: italic;
    color: var(--color-gray-medium);
    margin-bottom: 1rem;
}

.activated-label {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-top: 1rem;
    margin-bottom: 0.5rem;
}

.activated-list {
    list-style: disc;
    padding-left: 1.5rem;
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.activated-list li {
    margin-bottom: 0.25rem;
}

.venture-links {
    display: flex;
    gap: 1rem;
    margin-top: 0.5rem;
}

.venture-links a {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-black);
    text-decoration: none;
    border-bottom: 1px solid var(--color-black);
    padding-bottom: 2px;
}

.venture-links a:hover {
    color: var(--color-gray-medium);
    border-color: var(--color-gray-medium);
}

/* Media Queries */
@media (min-width: 768px) {
    h1 { font-size: 4.5rem; }
    h2 { font-size: 3rem; }
    
    .nav-desktop { display: block; }
    .mobile-toggle { display: none; }
    .mobile-menu { display: none; }
    .mobile-cta-sticky { display: none; }
    
    footer { padding-bottom: var(--spacing-lg); }

    .grid-4 { grid-template-columns: repeat(4, 1fr); }
    .grid-2 { grid-template-columns: repeat(2, 1fr); }
    
    .process-flow {
        max-width: 600px;
        margin: 0 auto;
    }

    .contact-layout {
        display: grid;
        grid-template-columns: 2fr 1fr;
        gap: var(--spacing-lg);
    }

    .ventures-grid {
        grid-template-columns: repeat(3, 1fr);
        justify-items: center;
    }

    .ventures-grid .venture-card {
        width: 100%;
    }
}