@font-face {
    font-family: 'Vazirmatn';
    src: url('/assets/fonts/Vazirmatn-Regular.ttf') format('truetype');
    font-weight: 400;
    font-display: swap;
}

@font-face {
    font-family: 'Vazirmatn';
    src: url('/assets/fonts/Vazirmatn-Bold.ttf') format('truetype');
    font-weight: 700 900;
    font-display: swap;
}

:root {
    --nav-bg: #12151b;
    --nav-surface: #242a33;
    --nav-surface-raised: #2c333e;
    --nav-text: #e6e7e8;
    --nav-muted: #c7c9cc;
    --nav-green: #6aaa64;
    --nav-yellow: #c9b458;
    --nav-line: rgba(255, 255, 255, 0.09);
}

html { color-scheme: dark; }

body { overflow-x: clip; }

button,
a {
    touch-action: manipulation;
    -webkit-tap-highlight-color: rgba(201, 180, 88, 0.18);
}

.global-header {
    position: relative;
    z-index: 50;
    width: min(1180px, calc(100% - 40px));
    min-height: 84px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 24px;
    border-bottom: 1px solid var(--nav-line);
    color: var(--nav-text);
}

.global-brand {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    gap: 11px;
    color: var(--nav-text);
    font-family: 'Vazirmatn', sans-serif;
    font-size: 1.05rem;
    font-weight: 800;
    line-height: 1.05;
    text-decoration: none;
}

.global-brand img {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    box-shadow: 0 8px 24px rgba(106, 170, 100, 0.18);
}

.global-brand span { display: grid; }

.global-brand small {
    margin-top: 4px;
    color: var(--nav-muted);
    font-size: 0.55rem;
    letter-spacing: 0.13em;
    text-transform: uppercase;
}

.global-nav {
    min-width: 0;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: clamp(8px, 2.2vw, 26px);
}

.global-nav a,
.global-language {
    min-width: 44px;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    color: var(--nav-muted);
    font-family: 'Vazirmatn', sans-serif;
    font-size: 0.86rem;
    font-weight: 700;
    text-decoration: none;
    white-space: nowrap;
}

.global-nav a { padding: 8px 5px; }

.global-nav a:hover,
.global-nav a[aria-current="page"] {
    color: var(--nav-text);
}

.global-nav a[aria-current="page"] {
    background: rgba(106, 170, 100, 0.1);
    box-shadow: inset 0 0 0 1px rgba(106, 170, 100, 0.24);
    padding-inline: 12px;
}

.global-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}

.global-language {
    padding: 7px 14px;
    border: 1px solid var(--nav-line);
    background: rgba(44, 51, 62, 0.58);
    color: var(--nav-text);
}

.global-language:hover {
    border-color: rgba(201, 180, 88, 0.48);
    background: rgba(44, 51, 62, 0.86);
}

.global-menu-button {
    width: 44px;
    height: 44px;
    display: none;
    place-items: center;
    padding: 0;
    border: 1px solid var(--nav-line);
    border-radius: 12px;
    background: rgba(44, 51, 62, 0.58);
    color: var(--nav-text);
    cursor: pointer;
}

.global-menu-icon,
.global-menu-icon::before,
.global-menu-icon::after {
    width: 18px;
    height: 2px;
    display: block;
    border-radius: 999px;
    background: currentColor;
    transition: transform 0.18s ease, opacity 0.18s ease;
}

.global-menu-icon { position: relative; }

.global-menu-icon::before,
.global-menu-icon::after {
    content: '';
    position: absolute;
    inset-inline-start: 0;
}

.global-menu-icon::before { transform: translateY(-6px); }
.global-menu-icon::after { transform: translateY(6px); }

.global-menu-button[aria-expanded="true"] .global-menu-icon { background: transparent; }
.global-menu-button[aria-expanded="true"] .global-menu-icon::before { transform: rotate(45deg); }
.global-menu-button[aria-expanded="true"] .global-menu-icon::after { transform: rotate(-45deg); }

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.global-footer {
    position: relative;
    z-index: 1;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px 18px;
    padding: 26px max(20px, env(safe-area-inset-right)) calc(26px + env(safe-area-inset-bottom)) max(20px, env(safe-area-inset-left));
    border-top: 1px solid var(--nav-line);
    color: var(--nav-muted);
    font-family: 'Vazirmatn', sans-serif;
    font-size: 0.8rem;
    text-align: center;
}

.global-footer a {
    min-width: 44px;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    color: var(--nav-muted);
    text-decoration: none;
}

.global-footer a:hover,
.global-footer a[aria-current="page"] {
    color: var(--nav-yellow);
}

.global-header :focus-visible,
.global-footer :focus-visible {
    outline: 3px solid var(--nav-yellow);
    outline-offset: 4px;
}

@media (max-width: 900px) {
    .global-header {
        width: calc(100% - 28px);
        min-height: 72px;
        grid-template-columns: minmax(0, 1fr) auto;
        gap: 12px;
    }

    .global-brand { min-width: 0; }
    .global-brand small { display: none; }

    .global-controls { grid-column: 2; }
    .global-menu-button { display: grid; }

    .global-nav {
        position: absolute;
        inset-inline: 0;
        top: calc(100% - 1px);
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 8px;
        padding: 12px;
        border: 1px solid var(--nav-line);
        border-radius: 0 0 18px 18px;
        background: rgba(18, 21, 27, 0.98);
        box-shadow: 0 24px 48px rgba(0, 0, 0, 0.34);
        overscroll-behavior: contain;
        transform-origin: top;
        transition: opacity 0.16s ease, transform 0.16s ease;
    }

    .global-nav a {
        min-width: 0;
        padding: 10px 12px;
        border: 1px solid rgba(255, 255, 255, 0.06);
        background: rgba(44, 51, 62, 0.46);
        white-space: normal;
        text-align: center;
    }

    .nav-ready .global-nav[data-open="false"] {
        visibility: hidden;
        opacity: 0;
        pointer-events: none;
        transform: translateY(-8px) scaleY(0.96);
    }

    .nav-ready .global-nav[data-open="true"] {
        visibility: visible;
        opacity: 1;
        pointer-events: auto;
        transform: none;
    }
}

@media (max-width: 420px) {
    .global-brand img { width: 36px; height: 36px; }
    .global-brand { font-size: 0.95rem; }
    .global-language { padding-inline: 11px; }
}

@media (prefers-reduced-motion: reduce) {
    .global-nav,
    .global-menu-icon,
    .global-menu-icon::before,
    .global-menu-icon::after {
        transition-duration: 0.001ms !important;
    }
}