:root {
    --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --safe-top: env(safe-area-inset-top, 0px);
    --safe-right: env(safe-area-inset-right, 0px);
    --safe-bottom: env(safe-area-inset-bottom, 0px);
    --safe-left: env(safe-area-inset-left, 0px);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    background-color: var(--bg-cream);
    color: var(--ink-dark);
    line-height: 1.5;
}

html, body, * {
    transition: background-color 0.6s ease, border-color 0.6s ease, box-shadow 0.6s ease, fill 0.6s ease, stroke 0.6s ease;
}

h1,
h2 {
    text-align: center;
}

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

.layout__main {
    flex: 1;
}

.container {
    width: min(1120px, 100% - 3rem);
    margin: 0 auto;
    padding-left: var(--safe-left);
    padding-right: var(--safe-right);
}

.header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: var(--header-bg);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border-soft);
    padding-top: var(--safe-top);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 0;
    gap: 1rem;
}

.brand {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--ink-dark);
    font-weight: 700;
    letter-spacing: 0.09em;
    font-size: clamp(0.65rem, 1.4vw, 0.95rem);
    text-transform: uppercase;
    flex-shrink: 1;
    min-width: 0;
    line-height: 1;
}

.brand__text {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.brand__mark {
    width: clamp(30px, 3.5vw, 40px);
    height: clamp(30px, 3.5vw, 40px);
    border-radius: 999px;
    margin-right: 0.75rem;
    box-shadow: var(--shadow-brand-mark);
    flex-shrink: 0;
}

.brand__dot {
    color: var(--accent-rust);
}

.nav__toggle {
    display: none;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    border: 1px solid var(--ink-mid);
    background: transparent;
    color: var(--ink-dark);
    font-size: 0.85rem;
    letter-spacing: 0.09em;
    text-transform: uppercase;
}

.nav {
    display: flex;
    align-items: center;
}

.nav__list {
    display: flex;
    gap: clamp(0.25rem, 1.2vw, 1rem);
    list-style: none;
    margin: 0;
    padding: 0;
    align-items: center;
}

.nav__item {
    display: flex;
    align-items: center;
    padding: 0;
    margin: 0;
}

.nav__link {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: clamp(0.6rem, 1.1vw, 0.85rem);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--ink-mid);
    padding: 0.4rem clamp(0.3rem, 0.8vw, 0.6rem);
    border-radius: 999px;
    border: 1px solid transparent;
    white-space: nowrap;
    line-height: 1;
}

.nav__link:hover,
.nav__link:focus-visible {
    border-color: var(--brand-teal);
    background-color: var(--nav-link-hover-bg);
    outline: none;
}

.nav__link--cta {
    background: var(--brand-gold);
    color: var(--ink-on-dark) !important;
    padding: 0.5rem clamp(0.8rem, 1.5vw, 1.2rem);
    border-radius: var(--radius-sm);
    font-weight: 600;
    box-shadow: var(--shadow-button);
    transition: background 150ms ease, transform 120ms ease, box-shadow 150ms ease;
    white-space: normal;
    text-align: center;
    line-height: 1.15;
    max-width: 160px;
}

.nav__link--cta:hover {
    background: var(--accent-olive);
    transform: scale(1.03);
    box-shadow: var(--shadow-button-hover);
    color: var(--ink-on-dark) !important;
}

strong {
    font-weight: 700;
}

.footer {
    padding: 1.75rem 0 calc(2rem + var(--safe-bottom));
    font-size: 0.85rem;
    border-top: 1px solid var(--border-soft);
    background-color: var(--bg-footer);
}

.footer__inner {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
}

.footer__brand {
    letter-spacing: 0.16em;
}

.footer__small {
    margin: 0;
}

[id] {
    scroll-margin-top: 4rem;
}

@media (max-width: 62rem) {
    .header__inner {
        align-items: center;
    }

    [id] {
        scroll-margin-top: 3rem;
    }

    .nav__toggle {
        display: inline-flex;
    }

    .nav {
        flex: unset;
    }

    .nav__list {
        position: absolute;
        inset-inline: 0;
        top: 100%;
        transform-origin: top center;
        transform: scaleY(0.7);
        opacity: 0;
        pointer-events: none;
        flex-direction: column;
        gap: 0;
        background-color: var(--nav-mobile-bg);
        border-bottom: var(--border-bottom-menu);
        padding: 0.5rem calc(1.5rem + var(--safe-right)) calc(1.2rem + var(--safe-bottom)) calc(1.5rem + var(--safe-left));
        box-shadow: var(--shadow-soft-menu);
        transition: transform 0.16s ease-out, opacity 0.16s ease-out;
    }

    .nav__list.is-open {
        opacity: 1;
        transform: scaleY(1);
        pointer-events: auto;
    }

    .nav__item {
        width: 100%;
        justify-content: center;
        padding-top: 0.4rem;
    }

    .nav__link {
        white-space: normal;
        justify-content: center;
        padding: 0.6rem;
        font-size: 0.85rem;
    }

    .nav__link--cta {
        width: 100%;
        max-width: none;
        margin-top: 0.5rem;
        padding: 0.6rem 1.2rem;
    }

    .brand {
        font-size: 0.95rem;
    }

    .brand__mark {
        width: 40px;
        height: 40px;
    }

    .footer__inner {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 1.5rem;
    }
}