/* === Header === */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    height: var(--header-height);
    background-color: var(--color-porcelain);
    border-bottom: 1px solid var(--color-hairline);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: 1280px;
    margin-inline: auto;
    padding-inline: 16px;
}

@media (min-width: 375px) {
    .site-header__inner {
        padding-inline: 24px;
    }
}

@media (min-width: 768px) {
    .site-header__inner {
        padding-inline: 40px;
    }
}

.site-logo {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    color: var(--color-charcoal);
}

.site-logo__text {
    font-family: var(--font-display);
    font-size: 1.375rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--color-charcoal);
}

.site-logo img,
.site-logo svg {
    height: 28px;
    width: auto;
}

.site-nav {
    display: none;
    align-items: center;
    gap: 28px;
}

.site-nav a {
    position: relative;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-charcoal);
    text-decoration: none;
    padding-block: 8px;
}

.site-nav a:hover {
    color: var(--color-cobalt);
}

.site-nav a.is-active::after,
.site-nav a:hover::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 2px;
    background-color: var(--color-cobalt);
}

.site-header__phone {
    display: none;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-charcoal);
    text-decoration: none;
}

.site-header__phone:hover {
    color: var(--color-cobalt);
}

.site-header__phone img {
    width: 18px;
    height: 18px;
}

.nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: 1px solid var(--color-hairline);
    border-radius: var(--radius);
    background-color: var(--color-surface);
}

.nav-toggle__bar {
    display: block;
    width: 18px;
    height: 1.5px;
    background-color: var(--color-charcoal);
    position: relative;
}

.nav-toggle__bar::before,
.nav-toggle__bar::after {
    content: "";
    position: absolute;
    left: 0;
    width: 18px;
    height: 1.5px;
    background-color: var(--color-charcoal);
}

.nav-toggle__bar::before {
    top: -6px;
}

.nav-toggle__bar::after {
    top: 6px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar {
    background-color: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar::before {
    top: 0;
    transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar::after {
    top: 0;
    transform: rotate(-45deg);
}

@media (min-width: 1024px) {
    .site-nav {
        display: flex;
    }

    .site-header__phone {
        display: inline-flex;
    }

    .nav-toggle {
        display: none;
    }
}

/* === Drawer === */
.nav-drawer {
    position: fixed;
    inset: 0;
    z-index: 70;
    visibility: hidden;
    pointer-events: none;
}

.nav-drawer.is-open {
    visibility: visible;
    pointer-events: auto;
}

.nav-drawer__backdrop {
    position: absolute;
    inset: 0;
    background-color: rgba(18, 23, 28, 0.45);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.nav-drawer.is-open .nav-drawer__backdrop {
    opacity: 1;
}

.nav-drawer__panel {
    position: absolute;
    top: 0;
    right: 0;
    width: min(320px, 88vw);
    height: 100%;
    padding: 28px 24px;
    background-color: var(--color-footer);
    color: var(--color-text-on-dark);
    transform: translateX(100%);
    transition: transform 240ms ease;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nav-drawer.is-open .nav-drawer__panel {
    transform: translateX(0);
}

.nav-drawer__close {
    align-self: flex-end;
    width: 44px;
    height: 44px;
    color: var(--color-text-on-dark);
    font-size: 1.5rem;
    line-height: 1;
}

.nav-drawer__links {
    list-style: none;
    margin-top: 12px;
}

.nav-drawer__links a {
    display: block;
    padding: 14px 0;
    color: var(--color-text-on-dark);
    text-decoration: none;
    font-size: 1.0625rem;
    border-bottom: 1px solid rgba(245, 247, 249, 0.12);
}

.nav-drawer__links a:hover {
    color: #c5d4e4;
}

.nav-drawer__phone {
    margin-top: auto;
    padding-top: 24px;
    color: var(--color-text-on-dark);
    text-decoration: none;
    font-size: 0.975rem;
}

body.nav-open {
    overflow: hidden;
}

/* === Footer === */
.site-footer {
    background-color: var(--color-footer);
    color: var(--color-text-on-dark);
    padding: 56px 0 32px;
}

.site-footer a {
    color: rgba(245, 247, 249, 0.82);
    text-decoration: none;
}

.site-footer a:hover {
    color: var(--color-text-on-dark);
}

.site-footer__grid {
    display: grid;
    gap: 32px;
    max-width: 1280px;
    margin-inline: auto;
    padding-inline: 16px;
}

@media (min-width: 375px) {
    .site-footer__grid {
        padding-inline: 24px;
    }
}

@media (min-width: 768px) {
    .site-footer__grid {
        grid-template-columns: 1.3fr 1fr 1fr 1fr;
        gap: 40px;
        padding-inline: 40px;
    }
}

.site-footer__brand {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.site-footer__text {
    font-size: 0.875rem;
    color: rgba(245, 247, 249, 0.7);
    line-height: 1.65;
}

.site-footer__title {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 14px;
    color: rgba(245, 247, 249, 0.55);
}

.site-footer__list {
    list-style: none;
}

.site-footer__list li + li {
    margin-top: 10px;
}

.site-footer__list a,
.site-footer__list button {
    font-size: 0.875rem;
}

.site-footer__list button {
    color: rgba(245, 247, 249, 0.82);
}

.site-footer__list button:hover {
    color: var(--color-text-on-dark);
}

.site-footer__bottom {
    max-width: 1280px;
    margin: 40px auto 0;
    padding: 20px 16px 0;
    border-top: 1px solid rgba(245, 247, 249, 0.12);
    font-size: 0.8125rem;
    color: rgba(245, 247, 249, 0.55);
}

@media (min-width: 375px) {
    .site-footer__bottom {
        padding-inline: 24px;
    }
}

@media (min-width: 768px) {
    .site-footer__bottom {
        padding-inline: 40px;
    }
}