/* Base: reset, typography, layout primitives, header, footer. */

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

* {
    margin: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-ink);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4 {
    font-family: var(--font-display);
    font-weight: 800;
    line-height: 1.15;
    text-wrap: balance;
    color: var(--color-ink);
}

img,
picture,
svg {
    display: block;
    max-width: 100%;
    height: auto;
}

a {
    color: var(--color-primary);
}

a:hover {
    color: var(--color-primary-dark);
}

:focus-visible {
    outline: var(--focus-ring);
    outline-offset: 2px;
    border-radius: 2px;
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Layout primitives */

.container {
    max-width: var(--page-max);
    margin-inline: auto;
    padding-inline: clamp(1rem, 4vw, 2rem);
}

.flow > * + * {
    margin-block-start: var(--space-4);
}

.skip-link {
    position: absolute;
    left: var(--space-2);
    top: var(--space-2);
    z-index: 100;
    padding: var(--space-2) var(--space-4);
    background: var(--color-primary);
    color: #fff;
    border-radius: var(--radius-pill);
    transform: translateY(-300%);
}

.skip-link:focus {
    transform: none;
    color: #fff;
}

/* Header */

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgb(255 255 255 / 0.92);
    backdrop-filter: blur(8px);
    border-block-end: 1px solid var(--color-tint);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    min-height: 4.25rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
}

.brand__seal {
    width: 2.75rem;
    height: 2.75rem;
}

.brand__name {
    font-family: var(--font-wordmark);
    font-weight: 700;
    font-stretch: 75%;
    font-size: 1.0625rem;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    line-height: 1.2;
    color: var(--color-seal);
}

.brand__tag {
    display: block;
    font-family: var(--font-body);
    font-weight: 400;
    font-stretch: normal;
    font-size: 0.75rem;
    letter-spacing: 0.04em;
    text-transform: none;
    color: var(--color-primary);
}

/* Nav */

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 2.75rem;
    height: 2.75rem;
    padding: 0;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle__bar {
    display: block;
    width: 1.5rem;
    height: 2px;
    margin-inline: auto;
    background: var(--color-ink);
    border-radius: 1px;
    transition: transform 0.2s, opacity 0.2s;
}

.site-nav ul {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    list-style: none;
    padding: 0;
}

.site-nav a {
    display: block;
    padding: var(--space-2) var(--space-3);
    font-weight: 600;
    font-size: var(--text-sm);
    text-decoration: none;
    color: var(--color-ink);
    border-radius: var(--radius-pill);
}

.site-nav a:hover {
    background: var(--color-tint);
    color: var(--color-primary-dark);
}

.site-nav a.is-current {
    background: var(--color-tint);
    color: var(--color-primary);
}

.site-nav .nav-cta {
    background: var(--color-primary);
    color: #fff;
}

.site-nav .nav-cta:hover {
    background: var(--color-primary-dark);
    color: #fff;
}

@media (max-width: 47.9375rem) {
    .nav-toggle {
        display: flex;
    }

    .site-nav {
        display: none;
        position: absolute;
        inset-inline: 0;
        top: 100%;
        background: #fff;
        border-block-end: 1px solid var(--color-tint);
        box-shadow: var(--shadow-card);
    }

    .site-nav.is-open {
        display: block;
    }

    .site-nav ul {
        flex-direction: column;
        align-items: stretch;
        padding: var(--space-4);
        gap: var(--space-1);
    }

    .site-nav a {
        font-size: var(--text-base);
        padding: var(--space-3) var(--space-4);
        border-radius: 0.75rem;
    }

    .nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }
}

/* Footer */

.site-footer {
    margin-block-start: var(--space-24);
    background: var(--color-ink);
    color: #fff;
    padding-block: var(--space-16) var(--space-8);
}

.site-footer a {
    color: var(--color-tint);
}

.site-footer a:hover {
    color: #fff;
}

.site-footer__grid {
    display: grid;
    gap: var(--space-8);
    grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
}

.site-footer h2 {
    color: #fff;
    font-size: var(--text-base);
    margin-block-end: var(--space-3);
}

.site-footer .brand__name,
.site-footer .brand__tag {
    color: #fff;
}

.site-footer address {
    font-style: normal;
    white-space: pre-line;
}

.site-footer__contact {
    list-style: none;
    padding: 0;
}

.site-footer__contact > li {
    display: flex;
    align-items: start;
    gap: var(--space-3);
}

.site-footer__contact > li + li {
    margin-block-start: var(--space-3);
}

.contact-icon {
    flex: none;
    width: 1.125rem;
    height: 1.125rem;
    margin-block-start: 0.2em;
    fill: none;
    stroke: var(--color-accent);
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.site-footer__phones {
    list-style: none;
    padding: 0;
}

.site-footer__phones li + li {
    margin-block-start: var(--space-1);
}

.site-footer__meta {
    margin-block-start: var(--space-12);
    padding-block-start: var(--space-6);
    border-block-start: 1px solid rgb(255 255 255 / 0.15);
    font-size: var(--text-sm);
    color: rgb(255 255 255 / 0.75);
}

/* Visually hidden but available to screen readers. */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
}