/* shared-styles.css */
:root {
    /* Anthropic Color Palette */
    --anthropic-beige: #F3F1EB;
    --anthropic-warm-white: #FEFCF8;
    --anthropic-dark: #1A1A1A;
    --anthropic-medium: #6C757D;
    --anthropic-light-gray: #E9ECEF;
    --crimson: #DC143C;
    --crimson-light: #DC143C15;
    --crimson-hover: #B8112E;
    --success: #28A745;
    --warning: #FFC107;
    --shadow-light: rgba(0, 0, 0, 0.08);
    --shadow-medium: rgba(0, 0, 0, 0.12);
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--anthropic-beige);
    color: var(--anthropic-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Header */
.header {
    background: var(--anthropic-warm-white);
    border-bottom: 1px solid var(--anthropic-light-gray);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--anthropic-dark);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--crimson), var(--crimson-hover));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1.2rem;
}

.logo-text h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: -2px;
}

.logo-text p {
    font-size: 0.8rem;
    color: var(--anthropic-medium);
    font-weight: 400;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--anthropic-dark);
    font-weight: 500;
    transition: var(--transition);
    padding: 0.5rem 0;
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--crimson);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--crimson);
    transition: var(--transition);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.cta-button {
    background: var(--crimson);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: 0 4px 12px var(--shadow-light);
}

.cta-button:hover {
    background: var(--crimson-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--shadow-medium);
}

/* Main Content */
.main-content {
    min-height: calc(100vh - 200px);
    padding: 3rem 2rem;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.page-header {
    text-align: center;
    margin-bottom: 4rem;
}

.page-header h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--anthropic-dark), var(--crimson));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.page-header p {
    font-size: 1.2rem;
    color: var(--anthropic-medium);
    max-width: 600px;
    margin: 0 auto;
}

/* Buttons */
.btn-primary {
    background: var(--crimson);
    color: white;
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(220, 20, 60, 0.3);
    display: inline-block;
}

.btn-primary:hover {
    background: var(--crimson-hover);
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(220, 20, 60, 0.4);
}

.btn-secondary {
    background: var(--anthropic-warm-white);
    color: var(--anthropic-dark);
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    border: 2px solid var(--anthropic-light-gray);
    transition: var(--transition);
    display: inline-block;
}

.btn-secondary:hover {
    border-color: var(--crimson);
    color: var(--crimson);
    transform: translateY(-3px);
}

/* Cards */
.card {
    background: var(--anthropic-warm-white);
    border-radius: var(--border-radius);
    padding: 2rem;
    border: 1px solid var(--anthropic-light-gray);
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px var(--shadow-medium);
}

/* Grid Layouts */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

/* Footer */
.footer {
    background: var(--anthropic-dark);
    color: white;
    padding: 3rem 2rem 2rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--crimson);
}

.footer-section p,
.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    line-height: 1.8;
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--crimson);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .page-header h1 {
        font-size: 2.5rem;
    }

    .grid-2,
    .grid-3 {
        grid-template-columns: 1fr;
    }

    .main-content {
        padding: 2rem 1rem;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-in {
    animation: fadeInUp 0.6s ease-out;
}