:root {
    --border-color: #e5e5e5;
    --text-muted: #a3a3a3;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 2rem 1.5rem;
    font-family: 'Syne', sans-serif;
    background: #ffffff;
    color: #000000;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

@media (min-width: 768px) {
    body {
        padding: 3rem 4rem;
    }
}

a {
    color: inherit;
    text-decoration: none;
}

/* Header */
header {
    width: 100%;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1.5rem;
}

.logo {
    font-weight: 600;
    letter-spacing: 0.05em;
    font-size: 1.25rem;
    text-transform: none;
    display: inline-flex;
    align-items: center;
}

@media (min-width: 768px) {
    .logo {
        font-size: 1.5rem;
    }
}

/* Main */
main {
    margin: auto 0;
    padding: 3rem 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 2rem;
}

.watch {
    width: 12rem;
    height: 12rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

@media (min-width: 768px) {
    .watch {
        width: 16rem;
        height: 16rem;
    }
}

.watch svg {
    width: 100%;
    height: 100%;
    color: #000000;
}

h1 {
    font-weight: 500;
    letter-spacing: -0.01em;
    font-size: 1.5rem;
    margin: 0;
}

@media (min-width: 768px) {
    h1 {
        font-size: 2.25rem;
    }
}

/* Footer */
footer {
    width: 100%;
    border-top: 1px solid var(--border-color);
    padding-top: 1.5rem;
    display: flex;
    flex-direction: column-reverse;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    font-size: 0.75rem;
    color: var(--text-muted);
}

@media (min-width: 768px) {
    footer {
        flex-direction: row;
    }
}

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

.footer-nav {
    display: flex;
    gap: 1.5rem;
    font-size: 0.9rem;
}

.footer-nav a {
    color: #000000;
    font-weight: 500;
    transition: opacity 0.15s ease;
}

.footer-nav a:hover,
.footer-nav a:focus-visible {
    opacity: 0.6;
}

a:focus-visible,
button:focus-visible {
    outline: 2px solid #000000;
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    * {
        transition: none !important;
    }
}