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

html {
    scroll-behavior: smooth;
    background: var(--color-ink-950);
}

body {
    margin: 0;
    color: var(--color-text);
    background: var(--color-ink-950);
    font-family: var(--font-ar);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

html[dir="ltr"] body {
    font-family: var(--font-latin);
}

img {
    display: block;
    max-width: 100%;
}

/* Critical service-media sizing prevents layout jumps before page CSS is ready. */
.service-feature__media {
    overflow: hidden;
    background: var(--color-ink-950);
}

.service-feature__image {
    display: block;
    width: 100%;
    max-width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

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

button,
input,
textarea,
select {
    font: inherit;
}

button {
    color: inherit;
}

.shell {
    width: var(--shell);
    margin-inline: auto;
}

.skip-link {
    position: fixed;
    inset-block-start: 10px;
    inset-inline-start: 10px;
    z-index: 999;
    padding: 10px 14px;
    border-radius: 8px;
    color: #fff;
    background: #000;
    transform: translateY(-160%);
}

.skip-link:focus {
    transform: translateY(0);
}

.site-header {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: var(--z-header);
    height: var(--header-height);
    background:
        linear-gradient(90deg, rgba(3, 21, 43, 0.94), rgba(6, 33, 63, 0.88)),
        color-mix(in srgb, var(--color-ink-950) 92%, transparent);
    border-bottom: 1px solid rgba(24, 181, 255, 0.16);
    box-shadow: 0 10px 34px rgba(0, 16, 38, 0.18);
    backdrop-filter: blur(16px) saturate(130%);
    transition: background var(--motion-medium) ease;
}

.site-header.is-menu-open {
    z-index: var(--z-mobile-nav);
}

.site-header__inner {
    width: var(--shell-wide);
    height: 100%;
    display: grid;
    grid-template-columns: minmax(220px, 1fr) auto minmax(220px, 1fr);
    grid-template-areas: "brand nav actions";
    align-items: center;
    gap: 24px;
}

.brand {
    grid-area: brand;
    justify-self: start;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    min-width: 0;
    max-height: calc(var(--header-height) - 10px);
}

.brand__logo {
    width: 126px;
    height: auto;
    max-height: 52px;
    object-fit: contain;
    filter: drop-shadow(0 6px 18px rgba(7, 140, 255, 0.16));
}

.brand__name {
    display: inline-flex;
    align-items: baseline;
    gap: 0.34em;
    color: rgba(255, 255, 255, 0.94);
    font-family: var(--font-latin);
    font-size: 0.54rem;
    font-weight: 800;
    line-height: 1;
    letter-spacing: 0.1em;
    white-space: nowrap;
}

.brand__name-zone {
    color: var(--color-blue-400);
    text-shadow: 0 0 14px rgba(24, 181, 255, 0.28);
}

.main-nav {
    grid-area: nav;
    display: flex;
    align-items: center;
    gap: 26px;
}

.main-nav__link {
    position: relative;
    padding-block: 12px;
    color: rgba(255, 255, 255, 0.78);
    font-size: 0.93rem;
    font-weight: 600;
    white-space: nowrap;
    transition: color var(--motion-fast) ease;
}

.main-nav__link::after {
    content: "";
    position: absolute;
    inset-inline: 10px;
    inset-block-end: 2px;
    height: 2px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--color-blue-500), var(--color-cyan-400));
    box-shadow: 0 0 12px rgba(24, 181, 255, 0.34);
    transform: scaleX(0);
    transition: transform var(--motion-fast) ease;
}

.main-nav__link:hover,
.main-nav__link:focus-visible,
.main-nav__link.is-active {
    color: #fff;
}

.main-nav__link:hover::after,
.main-nav__link:focus-visible::after,
.main-nav__link.is-active::after {
    transform: scaleX(1);
}

.header-actions {
    grid-area: actions;
    justify-self: end;
    display: flex;
    align-items: center;
    gap: 12px;
}

.language-switch {
    min-width: 42px;
    padding: 8px 11px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 999px;
    color: rgba(255, 255, 255, 0.86);
    font-size: 0.8rem;
    font-weight: 700;
    text-align: center;
}

.button {
    min-height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 0 20px;
    border: 1px solid transparent;
    border-radius: 14px;
    font-weight: 700;
    line-height: 1;
    transition:
        transform var(--motion-fast) ease,
        box-shadow var(--motion-fast) ease,
        border-color var(--motion-fast) ease;
}

.button:hover {
    transform: translateY(-2px);
}

.button:focus-visible,
.main-nav__link:focus-visible,
.language-switch:focus-visible,
.text-link:focus-visible,
.contact-detail:focus-visible {
    outline: 3px solid rgba(36, 217, 233, 0.5);
    outline-offset: 3px;
}

.button--header,
.button--primary {
    color: #fff;
    background: var(--gradient-brand);
    box-shadow: 0 14px 32px rgba(17, 140, 255, 0.25);
}

.button--header {
    min-height: 44px;
    padding-inline: 18px;
    border-radius: 999px;
    font-size: 0.9rem;
}

.menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    padding: 10px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.05);
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    height: 2px;
    margin: 4px 0;
    border-radius: 2px;
    background: #fff;
}

.site-footer {
    position: relative;
    z-index: var(--z-content);
    color: rgba(255, 255, 255, 0.78);
    background:
        radial-gradient(circle at 18% 0%, rgba(7, 140, 255, 0.16), transparent 30%),
        radial-gradient(circle at 82% 12%, rgba(109, 99, 255, 0.09), transparent 26%),
        linear-gradient(180deg, #04172f 0%, var(--color-ink-950) 100%);
    border-top: 1px solid rgba(24, 181, 255, 0.14);
    padding: 64px 0 22px;
}

.site-footer__grid {
    display: grid;
    grid-template-columns: 1.4fr 0.7fr 0.7fr;
    gap: 64px;
}

.site-footer__brand img {
    width: 250px;
    height: auto;
    margin-bottom: 18px;
}

.site-footer__brand p {
    max-width: 440px;
    margin: 0;
    color: rgba(255, 255, 255, 0.62);
}

.site-footer__links,
.site-footer__contact {
    display: grid;
    align-content: start;
    gap: 10px;
}

.site-footer__links strong,
.site-footer__contact strong {
    margin-bottom: 8px;
    color: #fff;
}

.site-footer__links a,
.site-footer__contact a {
    width: fit-content;
    color: rgba(255, 255, 255, 0.65);
}

.site-footer__links a:hover,
.site-footer__contact a:hover {
    color: var(--color-cyan-300);
}

.site-footer__bottom {
    margin-top: 48px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    justify-content: space-between;
    gap: 20px;
    color: rgba(255, 255, 255, 0.48);
    font-size: 0.85rem;
}

@media (max-width: 1100px) {
    .site-header__inner {
        grid-template-columns: auto 1fr auto;
        grid-template-areas: "brand nav actions";
    }

    .brand__logo {
        width: 120px;
        max-height: 52px;
    }

    .brand__name {
        font-size: 0.51rem;
        letter-spacing: 0.1em;
    }

    .main-nav {
        gap: 16px;
    }

    .main-nav__link {
        font-size: 0.86rem;
    }

    .button--header {
        display: none;
    }
}

@media (max-width: 820px) {
    :root {
        --header-height: 74px;
        --shell: min(100% - 30px, 1180px);
        --shell-wide: min(100% - 30px, 1320px);
    }

    .site-header__inner {
        grid-template-columns: 1fr auto;
        grid-template-areas: "brand actions";
    }

    .brand {
        gap: 2px;
    }

    .brand__logo {
        width: 108px;
        max-height: 45px;
    }

    .brand__name {
        font-size: 0.45rem;
        letter-spacing: 0.08em;
    }

    .menu-toggle {
        display: block;
    }

    .main-nav {
        position: fixed;
        inset: var(--header-height) 0 auto 0;
        z-index: var(--z-mobile-nav);
        display: none;
        padding: 18px 20px 26px;
        flex-direction: column;
        align-items: stretch;
        gap: 2px;
        background: rgba(3, 20, 38, 0.98);
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        box-shadow: var(--shadow-dark);
    }

    .site-header.is-menu-open .main-nav {
        display: flex;
    }

    .main-nav__link {
        padding: 13px 10px;
    }

    .language-switch {
        min-width: 40px;
    }

    .site-footer__grid {
        grid-template-columns: 1fr 1fr;
    }

    .site-footer__brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 560px) {
    .brand__logo {
        width: 98px;
        max-height: 42px;
    }

    .brand__name {
        font-size: 0.41rem;
        letter-spacing: 0.06em;
    }

    .site-footer__grid {
        grid-template-columns: 1fr;
        gap: 34px;
    }

    .site-footer__brand {
        grid-column: auto;
    }

    .site-footer__bottom {
        flex-direction: column;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}