:root {
    --primary: #0f172a;
    --accent: #2563eb;
    --accent-soft: rgba(37, 99, 235, 0.05);
    --text-main: #1e293b;
    --text-muted: #64748b;
    --bg-white: #ffffff;
    --bg-soft: #f8fafc;
    --border: #e2e8f0;
    --font-main: 'Outfit', sans-serif;
    --card-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --card-shadow-hover: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

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

body {
    background-color: var(--bg-white);
    color: var(--text-main);
    font-family: var(--font-main);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

header {
    padding: 1.5rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 100;
}

.logo {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.025em;
    color: var(--primary);
}

.logo span { color: var(--accent); }

nav a {
    text-decoration: none;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    margin-left: 2rem;
    transition: color 0.2s ease;
}

nav a:hover { color: var(--accent); }

main {
    max-width: 1100px;
    margin: 0 auto;
    padding: 6rem 5%;
}

.hero {
    margin-bottom: 8rem;
    text-align: center;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.04em;
    margin-bottom: 2rem;
    color: var(--primary);
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 700px;
    line-height: 1.6;
    margin: 0 auto;
}

.section-label {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent);
    margin-bottom: 1rem;
    display: block;
}

section {
    margin-bottom: 10rem;
}

h2 {
    font-size: 2.25rem;
    font-weight: 800;
    letter-spacing: -0.025em;
    margin-bottom: 4rem;
    text-align: center;
}

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

.card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    padding: 2.5rem;
    border-radius: 24px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--card-shadow-hover);
    border-color: var(--accent);
}

.card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--primary);
}

.card .short-desc {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.card .details {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: all 0.4s ease;
    border-top: 0px solid var(--border);
    padding-top: 0;
}

.card.expanded .details {
    max-height: 500px;
    opacity: 1;
    border-top-width: 1px;
    padding-top: 1.5rem;
    margin-top: 1rem;
}

.card ul {
    list-style: none;
}

.card li {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.card li::before {
    content: "•";
    color: var(--accent);
    font-weight: 800;
}

.card .expand-icon {
    position: absolute;
    bottom: 2rem;
    right: 2rem;
    color: var(--accent);
    transition: transform 0.3s ease;
}

.card.expanded .expand-icon {
    transform: rotate(180deg);
}

/* Fractional Badge */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--accent-soft);
    color: var(--accent);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    border-radius: 100px;
    margin-bottom: 1rem;
}

/* CTA Section */
.cta-box {
    background: var(--primary);
    color: white;
    padding: 5rem;
    border-radius: 32px;
    text-align: center;
}

.cta-box h3 { font-size: 2.5rem; margin-bottom: 1.5rem; }
.cta-box p { opacity: 0.8; margin-bottom: 2.5rem; max-width: 600px; margin-left: auto; margin-right: auto; }

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    background: var(--accent);
    color: white;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    transition: all 0.2s ease;
}

.btn:hover { background: #1d4ed8; transform: scale(1.02); }

footer {
    padding: 6rem 5% 4rem;
    border-top: 1px solid var(--border);
    text-align: center;
}

.footer-nav {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-nav a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.85rem;
}

.legal {
    font-size: 0.75rem;
    color: var(--text-muted);
    opacity: 0.6;
}

@media (max-width: 768px) {
    .cta-box { padding: 3rem 1.5rem; }
    .hero h1 { font-size: 3rem; }
}

.animate {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease-out;
}

.animate.visible {
    opacity: 1;
    transform: translateY(0);
}