/* ==========================================
   Global Styles
========================================== */

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

body {
    font-family: Arial, -apple-system, BlinkMacSystemFont, "Segoe UI", 
             Roboto, Helvetica, sans-serif;

    color: #1d1d1f;
    background-color: #ffffff;

    line-height: 2;

    padding: 0 140px;

    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ==========================================
   Navigation
========================================== */

header {
    padding: 18px 0;
    border-bottom: 1.5px solid #e5e5e5;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    text-decoration: none;
    color: #1d1d1f;
    font-size: 1.25rem;
    font-weight: 700;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 24px;
}

.nav-links a {
    text-decoration: none;
    color: #555;
    transition: color 0.2s ease;
}

.nav-links a:hover {
    color: #000;
}

/* ==========================================
   Main Content
========================================== */

main {
    flex: 1;
    padding: 48px 0;
}

section {
    margin-bottom: 64px;
}

h1 {
    font-size: 3.25rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
}

h2 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 16px;
}

p {
    font-size: 1.2rem;
    margin-bottom: 16px;
    color: #444;
}

ul {
    padding-left: 24px;
}

li {
    font-size: 1.2rem;
    margin-bottom: 8px;
}

/* ==========================================
   Hero Section
========================================== */

.hero {
    text-align: center;
    padding: 24px 0;
}

.hero p {
    max-width: 1000px;
    margin: 0 auto;
    font-size: 1.4rem;
}

/* ==========================================
   Waitlist Section
========================================== */

.waitlist-section {
    margin-bottom: 64px;
    text-align: center;
}

.waitlist-section h2 {
    margin-bottom: 16px;
}

.waitlist-button {
    display: inline-block;
    background-color: #1d1d1f;
    color: white;
    padding: 12px 24px;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: background-color 0.2s ease;
}

.waitlist-button:hover {
    background-color: #555;
}

/* ==========================================
   Footer
========================================== */

footer {
    border-top: 1.5px solid #e5e5e5;

    padding: 32px 0;

    display: flex;
    justify-content: space-between;
    align-items: center;

    flex-wrap: wrap;
    gap: 16px;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    text-decoration: none;
    color: #555;
}

.footer-links a:hover {
    color: #000;
}

/* ==========================================
   Links
========================================== */

a {
    color: #0066cc;
}

a:hover {
    text-decoration: underline;
}

/* ==========================================
   Mobile Layout
========================================== */

@media (max-width: 768px) {

    nav {
        flex-direction: column;
        gap: 16px;
    }

    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 16px;
    }

    h1 {
        font-size: 2.25rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    footer {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        justify-content: center;
    }
}