* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: #f3f4f6;
    color: #111827;
    font-family: 'Roboto', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1,
h2,
h3 {
    font-family: 'Playfair Display', Georgia, serif;
    line-height: 1.15;
}

a {
    color: inherit;
}

.container {
    width: min(100% - 2rem, 1120px);
    margin-inline: auto;
}

.site-nav {
    position: sticky;
    top: 0;
    z-index: 50;
    background: #111827;
    color: #ffffff;
    padding: 1rem 0;
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.logo {
    display: block;
    height: 100px;
    width: auto;
}

.thank-you-logo {
    margin: 0 auto 2rem;
    background: #ffffff;
}

.thank-you-hero {
    min-height: 100vh;
    display: grid;
    place-items: center;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.nav-links a,
.footer-link {
    text-decoration: none;
    transition: color 160ms ease;
}

.nav-links a:hover,
.nav-links a:focus-visible,
.footer-link:hover,
.footer-link:focus-visible {
    color: #facc15;
}

.hero {
    background: linear-gradient(rgba(0, 0, 0, 0.75), rgba(0, 0, 0, 0.75)), #1a1a2e;
    color: #ffffff;
    padding: 5rem 0;
    text-align: center;
}

.hero h1 {
    font-size: clamp(2.75rem, 7vw, 5rem);
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
}

.section {
    padding: 4rem 0;
    scroll-margin-top: 150px;
}

.section-white {
    background: #ffffff;
}

.section-gray {
    background: #f3f4f6;
}

.section-gold {
    background: #facc15;
    color: #111827;
    text-align: center;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    text-align: center;
    margin-bottom: 2rem;
}

.lead {
    max-width: 48rem;
    margin: 0 auto 1.5rem;
    color: #374151;
    font-size: 1.125rem;
    text-align: center;
}

.grid-three,
.grid-two {
    display: grid;
    gap: 2rem;
    margin-top: 2rem;
}

.grid-three {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.feature-card {
    text-align: center;
}

.feature-card h3,
.detail-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.feature-card p,
.detail-card li {
    color: #4b5563;
}

.detail-list {
    margin: 0;
    padding-left: 1.25rem;
}

.detail-list li + li {
    margin-top: 0.5rem;
}

.cta-copy {
    max-width: 42rem;
    margin: 0 auto 1.5rem;
    font-size: 1.125rem;
}

.narrow {
    max-width: 850px;
}

.registration-form {
    width: min(100%, 720px);
    margin: 2rem auto 0;
    padding: 2rem;
    border-radius: 1.5rem;
    background: rgba(255, 255, 255, 0.88);
    color: #111827;
    box-shadow: 0 24px 60px rgba(17, 24, 39, 0.18);
    text-align: left;
}

.registration-form label {
    display: block;
    margin-bottom: 1rem;
    font-weight: 700;
}

.registration-form input,
.registration-form textarea {
    width: 100%;
    margin-top: 0.4rem;
    border: 1px solid #d1d5db;
    border-radius: 0.75rem;
    padding: 0.85rem 1rem;
    color: #111827;
    background: #ffffff;
    font: inherit;
}

.registration-form textarea {
    resize: vertical;
}

.registration-form input:focus,
.registration-form textarea:focus {
    outline: 3px solid rgba(17, 24, 39, 0.16);
    border-color: #111827;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.optional,
.form-note {
    color: #4b5563;
    font-weight: 400;
}

.form-note {
    margin: 1rem 0 0;
    font-size: 0.95rem;
    text-align: center;
}

.botcheck {
    display: none;
}

.button {
    display: inline-block;
    border-radius: 999px;
    padding: 0.75rem 1.5rem;
    font-weight: 700;
    text-decoration: none;
    transition: background-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.button:hover,
.button:focus-visible {
    transform: translateY(-1px);
}

.button-gold {
    background: #facc15;
    color: #111827;
}

.button-gold:hover,
.button-gold:focus-visible {
    background: #eab308;
}

.button-dark {
    background: #111827;
    color: #ffffff;
}

.button-dark:hover,
.button-dark:focus-visible {
    background: #1f2937;
}

.site-footer {
    background: #111827;
    color: #ffffff;
    padding: 2rem 0;
    text-align: center;
}

.site-footer p {
    margin-bottom: 1rem;
}

.site-footer p:last-child {
    margin-bottom: 0;
}

.footer-link {
    text-decoration: underline;
}

@media (max-width: 760px) {
    .nav-inner {
        flex-direction: column;
        text-align: center;
    }

    .logo {
        height: 80px;
    }

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

    .grid-three,
    .grid-two,
    .form-grid {
        grid-template-columns: 1fr;
    }

    .registration-form {
        padding: 1.25rem;
    }
}
