:root {
    --blue: #007bff;
    --blue-dark: #0056b3;
    --red: #d32f2f;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: #f5f5f5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    line-height: 1.6;
}

/* Sticky header */
.lp-header {
    position: sticky;
    top: 0;
    background: #fff;
    border-bottom: 3px solid var(--blue);
    height: 60px;
    display: flex;
    align-items: center;
    padding: 0 40px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    z-index: 10;
}

.lp-logo {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--blue);
    letter-spacing: -0.5px;
}

/* Hero */
.lp-hero {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 80px 20px;
}

.lp-hero h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    color: #0f172a;
    margin-bottom: 20px;
    line-height: 1.1;
}

.lp-hero h1 span {
    color: var(--blue);
}

.lp-tagline {
    font-size: 1.2rem;
    color: #555;
    max-width: 400px;
    margin-bottom: 48px;
    line-height: 1.7;
    border-left: 3px solid var(--red);
    padding-left: 16px;
    text-align: left;
}

.lp-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--blue);
    color: #fff;
    padding: 16px 36px;
    border-radius: 6px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    box-shadow: 0 4px 14px rgba(0, 123, 255, 0.35);
    transition: background 0.2s, box-shadow 0.2s, transform 0.1s;
}

.lp-cta-btn:hover {
    background: var(--blue-dark);
    box-shadow: 0 6px 20px rgba(0, 123, 255, 0.45);
    transform: translateY(-1px);
}

.lp-cta-btn:active {
    transform: translateY(0);
}

/* CTA group (Sign in + guest fork) */
.lp-cta-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.lp-cta-guest {
    font-size: 0.95rem;
    color: #555;
    text-decoration: none;
    border-bottom: 1px solid #ccc;
    padding-bottom: 1px;
    transition: color 0.15s, border-color 0.15s;
}

.lp-cta-guest:hover {
    color: var(--blue);
    border-color: var(--blue);
}

.lp-guest-note {
    font-size: 0.8rem;
    color: #aaa;
    margin-top: 4px;
}

/* Footer */
.lp-footer {
    padding: 20px;
    text-align: center;
    font-size: 0.8rem;
    color: #aaa;
}