/* ═══════════════════════════════════════════════════════════════════
   DESIGN-SYSTEM.CSS — جمعية إرث وحضارة بالقريات
   Unified design system tokens, header layout, container width & radii
═══════════════════════════════════════════════════════════════════ */

:root {
    /* ── Surfaces ── */
    --c-bg:             #ffffff;
    --c-bg-soft:        #fbf9f5;
    --c-bg-gradient:    linear-gradient(180deg, #fcfbf8 0%, #ffffff 40%, #f8f6f1 100%);
    --c-surface:        #ffffff;
    --c-surface-2:      #fbfaf8;
    --c-nav-bg:         #f7f4ee;
    --c-glass:          rgba(255, 255, 255, 0.72);
    --c-glass-strong:   rgba(255, 255, 255, 0.88);

    /* ── Text ── */
    --c-text-primary:   #1c1a17;
    --c-text-secondary: #5a5650;
    --c-text-muted:     #8a8478;

    /* ── Accent ── */
    --c-gold:           #b8883e;
    --c-gold-deep:      #9c6e38;
    --c-gold-soft:      #d4a855;
    --c-gold-pale:      rgba(184, 136, 62, 0.12);
    --c-gold-line:      rgba(184, 136, 62, 0.30);

    /* ── Borders & dividers ── */
    --c-border:         rgba(28, 26, 23, 0.08);
    --c-border-soft:    rgba(28, 26, 23, 0.05);

    /* ── Shadows ── */
    --shadow-xs:        0 1px 3px rgba(20, 16, 8, 0.04);
    --shadow-sm:        0 4px 14px -4px rgba(20, 16, 8, 0.07);
    --shadow-md:        0 12px 32px -8px rgba(20, 16, 8, 0.10);
    --shadow-lg:        0 24px 56px -16px rgba(20, 16, 8, 0.14);
    --shadow-card:      0 12px 36px -10px rgba(28, 26, 23, 0.07);
    --shadow-gold:      0 10px 30px -10px rgba(184, 136, 62, 0.28);

    /* ── Radii (Unified Large Radius Scale) ── */
    --r-sm:             12px;
    --r-md:             20px;
    --r-lg:             28px;
    --r-xl:             32px;
    --r-pill:           100px;

    /* ── Motion ── */
    --ease-out:         cubic-bezier(0.16, 1, 0.3, 1);
    --ease-spring:      cubic-bezier(0.22, 1, 0.36, 1);
    --dur-fast:         180ms;
    --dur-base:         280ms;
    --dur-slow:         420ms;

    /* ── Layout & Container ── */
    --nav-h:            68px;
    --container-max:    1400px;
    --container-pad:    clamp(1rem, 3vw, 2.5rem);

    /* ── Spacing scale ── */
    --sp-1:  4px;
    --sp-2:  8px;
    --sp-3:  12px;
    --sp-4:  16px;
    --sp-5:  24px;
    --sp-6:  32px;
    --sp-7:  48px;
    --sp-8:  64px;
    --sp-9:  96px;

    /* ── Type ── */
    --font-arabic: 'Almarai', 'Segoe UI', sans-serif;
    --font-latin:  'Montserrat', sans-serif;
}


/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ═══════════════════════════════════════════════════════════════════
   UNIFIED CONTAINER & SITE WRAPPER
═══════════════════════════════════════════════════════════════════ */
:root {
    --container-max: 1340px;
    --container-pad: clamp(1rem, 2.5vw, 2rem);
    --header-h-desktop: 78px;
    --header-h-mobile: 64px;
}

.site-wrapper {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 1.25rem var(--container-pad) 0;
    position: relative;
    z-index: 2;
}

/* ═══════════════════════════════════════════════════════════════════
   SLEEK HIGH-END HEADER & NAVBAR (Single Source of Truth for all pages)
═══════════════════════════════════════════════════════════════════ */
.nav-container {
    position: sticky;
    top: 0.85rem;
    z-index: 200;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: nowrap;
    padding: 0 1.5rem;
    height: 76px;
    background: var(--c-nav-bg, #f7f4ee);
    margin-top: 0.85rem;
    margin-bottom: var(--sp-6, 2rem);
    border: 1px solid var(--c-border-soft, rgba(28, 26, 23, 0.05));
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
    transition: all var(--dur-base, 280ms) var(--ease-out);
}

.nav-container.scrolled {
    border-color: var(--c-border, rgba(28, 26, 23, 0.08));
    box-shadow: 0 10px 30px -10px rgba(28, 26, 23, 0.08);
    background: rgba(247, 244, 238, 0.96);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.logo-area-nav {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    cursor: pointer;
    flex-shrink: 1;
    min-width: 0;
}

.nav-logo-img {
    height: 42px;
    width: auto;
    object-fit: contain;
    display: block;
    flex-shrink: 0;
    transition: transform 200ms var(--ease-out);
}

.logo-area-nav:hover .nav-logo-img {
    transform: scale(1.03);
}

.association-name-nav {
    font-weight: 800;
    font-size: 1.15rem;
    color: var(--c-text-primary, #1c1a17);
    letter-spacing: -0.3px;
    font-family: var(--font-arabic, 'Alexandria', sans-serif);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.nav-links {
    display: flex;
    gap: 0.85rem;
    flex-wrap: nowrap;
    align-items: center;
}

.nav-links a {
    position: relative;
    text-decoration: none;
    color: var(--c-text-secondary, #5a5650);
    font-weight: 500;
    font-size: 0.88rem;
    transition: color var(--dur-fast, 180ms) var(--ease-out);
    padding: 6px 2px;
    font-family: var(--font-arabic, 'Alexandria', sans-serif);
    white-space: nowrap;
}

.nav-links a::after {
    content: "";
    position: absolute;
    right: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background: var(--c-gold, #b8883e);
    border-radius: var(--r-pill, 100px);
    transition: width var(--dur-base, 280ms) var(--ease-spring);
}

.nav-links a:hover {
    color: var(--c-text-primary, #1c1a17);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-links a.active {
    color: var(--c-text-primary, #1c1a17);
    font-weight: 700;
}

.nav-links a.active::after {
    width: 100%;
}

/* ═══════════════════════════════════════════════════════════════════
   RESPONSIVE MOBILE HEADER & HAMBURGER (Unified across all pages)
═══════════════════════════════════════════════════════════════════ */
.mobile-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    width: 42px;
    height: 42px;
    padding: 0;
    border: 1px solid rgba(184, 136, 62, 0.22);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.7);
    cursor: pointer;
    flex-shrink: 0;
    margin-inline-start: 10px;
    transition: all var(--dur-fast, 180ms) var(--ease-out);
}

.mobile-toggle:hover {
    background: rgba(184, 136, 62, 0.1);
    border-color: var(--c-gold, #b8883e);
}

.mobile-toggle-bar {
    display: block;
    width: 20px;
    height: 2px;
    background-color: var(--c-text-primary, #1c1a17);
    border-radius: var(--r-pill, 100px);
    transition: transform var(--dur-base, 280ms) var(--ease-spring), opacity var(--dur-fast, 180ms) var(--ease-out);
}

@media (max-width: 991px) {
    .nav-links {
        display: none !important;
    }

    .mobile-toggle {
        display: inline-flex !important;
    }

    .nav-container {
        height: 64px;
        min-height: 64px;
        padding: 0 1.1rem;
        margin-top: 0.5rem;
        margin-bottom: 1.25rem;
        top: 0.5rem;
        border-radius: 14px;
    }

    .nav-logo-img {
        height: 38px;
    }

    .association-name-nav {
        font-size: clamp(0.82rem, 3.2vw, 0.98rem);
        font-weight: 800;
    }
}

@media (max-width: 480px) {
    .nav-container {
        height: 58px;
        min-height: 58px;
        padding: 0 0.85rem;
        border-radius: 12px;
    }

    .logo-area-nav {
        gap: 7px;
    }

    .nav-logo-img {
        height: 34px;
    }

    .association-name-nav {
        font-size: clamp(0.75rem, 3.3vw, 0.86rem);
        letter-spacing: -0.2px;
    }

    .mobile-toggle {
        width: 38px;
        height: 38px;
        gap: 4px;
    }

    .mobile-toggle-bar {
        width: 18px;
    }
}

@media (max-width: 350px) {
    .nav-container {
        padding: 0 0.65rem;
    }

    .nav-logo-img {
        height: 30px;
    }

    .association-name-nav {
        font-size: 0.72rem;
    }

    .mobile-toggle {
        width: 36px;
        height: 36px;
    }
}

/* ═══════════════════════════════════════════════════════════════════
   MOBILE MENU DRAWER & SHEET OVERLAY (Unified across all pages)
═══════════════════════════════════════════════════════════════════ */
.mobile-menu {
    position: fixed;
    inset: 0;
    z-index: 999;
    display: flex;
    align-items: flex-start;
    justify-content: flex-end;
    background: rgba(15, 12, 9, 0.45);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--dur-base, 280ms) var(--ease-out), visibility 0s linear var(--dur-base, 280ms);
}

.mobile-menu.open {
    opacity: 1;
    visibility: visible;
    transition: opacity var(--dur-base, 280ms) var(--ease-out);
}

.mobile-menu-panel {
    width: min(320px, 86vw);
    height: 100%;
    background: #fbf9f5;
    box-shadow: -10px 0 35px rgba(28, 26, 23, 0.15);
    padding: 22px 20px;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    transform: translateX(100%);
    transition: transform var(--dur-base, 280ms) cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-menu.open .mobile-menu-panel {
    transform: translateX(0);
}

.mobile-menu-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 14px;
    margin-bottom: 16px;
    border-bottom: 1px solid rgba(28, 26, 23, 0.08);
}

.mobile-menu-head .association-name-nav {
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--c-text-primary, #1c1a17);
}

.mobile-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    color: var(--c-text-secondary, #5a5650);
    border: 1px solid rgba(28, 26, 23, 0.1);
    background: rgba(28, 26, 23, 0.03);
    cursor: pointer;
    transition: all var(--dur-fast, 180ms) var(--ease-out);
}

.mobile-close:hover {
    background: rgba(184, 136, 62, 0.15);
    color: var(--c-gold, #b8883e);
    border-color: var(--c-gold, #b8883e);
}

.mobile-menu-links {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.mobile-menu-links a {
    display: flex;
    align-items: center;
    padding: 12px 14px;
    border-radius: 10px;
    color: var(--c-text-secondary, #5a5650);
    font-weight: 600;
    font-size: 0.94rem;
    text-decoration: none;
    transition: all var(--dur-fast, 180ms) var(--ease-out);
    font-family: var(--font-arabic, 'Alexandria', sans-serif);
}

.mobile-menu-links a:hover {
    background: rgba(184, 136, 62, 0.08);
    color: var(--c-text-primary, #1c1a17);
    transform: translateX(-3px);
}

.mobile-menu-links a.active {
    background: rgba(184, 136, 62, 0.14);
    color: var(--c-gold-deep, #9c6e38);
    font-weight: 800;
}

/* ═══════════════════════════════════════════════════════════════════
   UNIFIED CARDS & CONTAINERS
═══════════════════════════════════════════════════════════════════ */
.card, .ws-card, .activity-card, .news-card, .report-card, .board-card {
    border-radius: var(--r-xl) !important;
    box-shadow: var(--shadow-card) !important;
    border: 1px solid var(--c-border-soft) !important;
    transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out) !important;
}

.card:hover, .ws-card:hover, .activity-card:hover, .news-card:hover, .report-card:hover, .board-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md) !important;
}

/* ═══════════════════════════════════════════════════════════════════
   MOBILE VIEWPORT DRIFT & OVERFLOW PREVENTION (Below 880px)
   ═══════════════════════════════════════════════════════════════════ */
@media (max-width: 880px) {
    html, body {
        position: relative;
        width: 100%;
        max-width: 100%;
        overflow-x: hidden !important;
        margin: 0;
        padding: 0;
        touch-action: pan-y;
    }

    .site-wrapper {
        width: 100% !important;
        max-width: 100% !important;
        overflow-x: hidden !important;
        padding-left: 1rem !important;
        padding-right: 1rem !important;
        box-sizing: border-box;
    }
}