:root {
    --color-ink: #0a0a0a;
    --color-teal: #123830;
    --color-lime: #e9ff3b;
    --color-paper: #f4f4ef;
    --color-paper-muted: rgba(244, 244, 239, 0.7);
    --color-paper-faint: rgba(244, 244, 239, 0.45);

    --font-display: 'Astheric', 'Iowan Old Style', Georgia, 'Times New Roman', serif;
    --font-body: 'Switzer Variable', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    color-scheme: dark;
}

@font-face {
    font-family: 'Astheric';
    src: url("../fonts/astheric-regular-QOr_vtW.ttf") format('truetype');
    font-weight: 400;
    font-display: swap;
}

@font-face {
    font-family: 'Switzer Variable';
    src: url("../fonts/Switzer-Variable-kIZJKOt.woff2") format('woff2');
    font-weight: 100 900;
    font-display: swap;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    min-height: 100%;
}

body {
    background-color: var(--color-ink);
    color: var(--color-paper);
    font-family: var(--font-body);
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
}

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

/* Header */

.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.5rem clamp(1.25rem, 4vw, 3rem);
}

.brand {
    display: inline-flex;
    align-items: center;
}

.brand__logo {
    display: block;
    height: clamp(2.25rem, 4vw, 3rem);
    width: auto;
}

.site-header__contact {
    font-size: 0.85rem;
    color: var(--color-paper-muted);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.15s ease, color 0.15s ease;
}

.site-header__contact:hover {
    color: var(--color-paper);
    border-color: currentColor;
}

/* Hero */

.hero {
    position: relative;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem clamp(1.25rem, 6vw, 3rem);
    overflow: hidden;
}

.hero__glow {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        radial-gradient(45rem 32rem at 82% 12%, rgba(233, 255, 59, 0.16), transparent 60%),
        radial-gradient(38rem 30rem at 8% 92%, rgba(18, 56, 48, 0.9), transparent 65%);
}

.hero__content {
    position: relative;
    max-width: 40rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.eyebrow {
    margin: 0 0 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-lime);
}

.headline {
    margin: 0 0 1.25rem;
    font-family: var(--font-display);
    font-weight: 400;
    line-height: 1.05;
    font-size: clamp(2.5rem, 6vw, 4.25rem);
    color: var(--color-paper);
}

.subhead {
    margin: 0 0 2.25rem;
    max-width: 34rem;
    font-size: clamp(1rem, 1.6vw, 1.15rem);
    line-height: 1.6;
    color: var(--color-paper-muted);
}

/* Waitlist form */

.waitlist-form {
    width: 100%;
    max-width: 26rem;
}

.waitlist-form__row {
    display: flex;
    gap: 0.6rem;
}

.waitlist-form__input {
    flex: 1;
    min-width: 0;
    padding: 0.85rem 1rem;
    border-radius: 0.5rem;
    border: 1px solid rgba(244, 244, 239, 0.2);
    background: rgba(244, 244, 239, 0.06);
    color: var(--color-paper);
    font-family: var(--font-body);
    font-size: 1rem;
}

.waitlist-form__input::placeholder {
    color: var(--color-paper-faint);
}

.waitlist-form__input:focus {
    outline: none;
    border-color: var(--color-lime);
    background: rgba(244, 244, 239, 0.1);
}

.waitlist-form__submit {
    flex-shrink: 0;
    padding: 0.85rem 1.4rem;
    border: none;
    border-radius: 0.5rem;
    background: var(--color-lime);
    color: var(--color-ink);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: transform 0.1s ease, opacity 0.15s ease;
}

.waitlist-form__submit:hover {
    transform: translateY(-1px);
}

.waitlist-form__submit:disabled {
    opacity: 0.6;
    cursor: default;
    transform: none;
}

.waitlist-form__message {
    margin-top: 0.6rem;
    min-height: 1.2rem;
    font-size: 0.85rem;
    color: #ff8a80;
    text-align: left;
}

.waitlist-form__message:empty {
    display: none;
}

.fine-print {
    margin: 1rem 0 0;
    font-size: 0.8rem;
    color: var(--color-paper-faint);
}

.form-success {
    padding: 0.85rem 1.2rem;
    border-radius: 0.5rem;
    background: rgba(233, 255, 59, 0.12);
    border: 1px solid rgba(233, 255, 59, 0.4);
    color: var(--color-lime);
    font-size: 1rem;
}

/* Footer */

.site-footer {
    padding: 1.5rem clamp(1.25rem, 4vw, 3rem);
    text-align: center;
    font-size: 0.8rem;
    color: var(--color-paper-faint);
}

.site-footer p {
    margin: 0;
}

/* Responsive */

@media (max-width: 640px) {
    .waitlist-form__row {
        flex-direction: column;
    }

    .waitlist-form__submit {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .site-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
}