/**
 * layout.css — Container, Grid, Section, and Responsive Layout System
 */

/* ── Reset & Base ─────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--v2-header-height, 72px);
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-latin);
    font-size: var(--fluid-body);
    line-height: var(--leading-normal);
    color: var(--color-text-primary);
    background-color: var(--color-bg);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Arabic font family and direction */
[dir="rtl"] body {
    font-family: var(--font-arabic);
    line-height: 1.8;
    letter-spacing: 0;
}

img, video { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* ── Container ────────────────────────────────────────────────────────────────── */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-px);
}

.container--sm  { max-width: 640px; }
.container--md  { max-width: 768px; }
.container--lg  { max-width: 1024px; }
.container--xl  { max-width: 1200px; }

/* ── Sections ─────────────────────────────────────────────────────────────────── */
.section {
    padding-block: var(--section-py-md);
}

.section-lg { padding-block: var(--section-py-lg); }
.section-sm { padding-block: var(--section-py-sm); }

.section-alt {
    background-color: var(--neutral-50);
}

/* ── Grid System (Responsive & Performance Minded) ──────────────────────────────── */
.grid {
    display: grid;
    gap: var(--space-8);
}

.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

/* ── Navigation ─────────────────────────────────────────────────────────── */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    height: 90px;
    display: flex;
    align-items: center;
    background: var(--color-nav-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-nav-border);
    transition: 
        height var(--transition-normal),
        background-color var(--transition-normal),
        box-shadow var(--transition-normal);
}

.nav.is-scrolled {
    height: 70px;
    box-shadow: var(--shadow-nav);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.nav-logo img {
    height: 48px;
    width: auto;
    transition: height var(--transition-normal);
    object-fit: contain;
}

.nav.is-scrolled .nav-logo img {
    height: 40px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin: 0;
    padding: 0;
}

.nav-link {
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    color: var(--color-text-primary);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
    color: var(--color-accent);
    background: var(--color-accent-light);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}


/* ── Mobile Burger ── */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 32px;
    height: 20px;
    padding: 0;
    z-index: var(--z-modal);
}

.nav-toggle span {
    width: 100%;
    height: 2px;
    background: var(--color-text-primary);
    border-radius: var(--radius-full);
    transition: all var(--transition-normal);
    transform-origin: left;
}

.nav-toggle.active span:nth-child(1) { transform: rotate(45deg); width: 33px; }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg); width: 33px; }

/* ── Specific Breakpoint Responsive Pass ─────────────── */

@media (min-width: 1440px) {
    :root { --container-max: 1440px; }
}

@media (max-width: 1024px) {
    .nav { height: 84px; }
    .grid-cols-4 { grid-template-columns: repeat(3, 1fr); }
    .grid-cols-3 { grid-template-columns: repeat(2, 1fr); }
    .section { padding-block: var(--space-20); }
}

/* ── Mobile Menu: Minimalist Ultra-Luxury Redesign ───────────────────────── */
@media (max-width: 1024px) {
    .nav-toggle { display: flex; order: 3; margin-inline-start: auto; }
    .desktop-only-actions { display: none; }
    
    .nav-menu-wrapper {
        position: fixed;
        inset: 0;
        z-index: var(--z-modal);
        background: var(--color-bg);
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transition: 
            opacity 0.6s cubic-bezier(0.19, 1, 0.22, 1),
            visibility 0.6s cubic-bezier(0.19, 1, 0.22, 1);
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }

    .nav-menu-wrapper.open {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
    }

    /* Close Button - Refined & Minimalist */
    .nav-menu-close-btn {
        position: absolute;
        top: var(--space-8);
        inset-inline-end: var(--space-8);
        width: 50px;
        height: 50px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--color-text-primary);
        background: var(--color-bg-alt);
        border-radius: var(--radius-full);
        transition: all 0.3s ease;
        z-index: 10;
        border: none;
        cursor: pointer;
    }

    .nav-menu-close-btn:hover {
        transform: rotate(90deg);
        color: var(--color-accent);
    }

    .nav-menu-content {
        width: 100%;
        max-width: 800px;
        height: 100%;
        display: flex;
        flex-direction: column;
        padding: var(--space-20) var(--space-8) var(--space-12);
        animation: menuContentFadeUp 0.8s cubic-bezier(0.19, 1, 0.22, 1);
    }

    /* Top Branding */
    .nav-menu-top-area {
        text-align: center;
        margin-bottom: var(--space-12);
    }

    .nav-menu-brand {
        font-family: var(--font-latin);
        font-size: 11px;
        font-weight: var(--weight-bold);
        letter-spacing: 0.5em;
        color: var(--color-accent);
        text-transform: uppercase;
        display: block;
        margin-bottom: var(--space-2);
    }

    .nav-menu-tagline {
        font-size: 10px;
        color: var(--color-text-muted);
        text-transform: uppercase;
        letter-spacing: 0.15em;
    }

    /* Links Cluster */
    .nav-menu-primary-links {
        flex-grow: 1;
        display: flex;
        flex-direction: column;
        justify-content: center;
        gap: var(--space-4);
        list-style: none;
        padding: 0;
        margin: 0;
    }

    .nav-link-ultra {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: var(--space-6);
        padding-block: var(--space-4);
        text-decoration: none;
        transition: transform 0.4s cubic-bezier(0.19, 1, 0.22, 1);
    }

    .nav-num {
        font-family: var(--font-latin);
        font-size: 10px;
        font-weight: var(--weight-bold);
        color: var(--color-accent);
        opacity: 0.4;
        margin-top: 4px;
    }

    .nav-label {
        font-family: var(--font-arabic), var(--font-latin);
        font-size: clamp(2rem, 7vw, 4rem);
        font-weight: var(--weight-bold);
        color: var(--color-text-primary);
        text-transform: uppercase;
        transition: all 0.4s ease;
        letter-spacing: -0.01em;
    }

    .nav-link-ultra:hover .nav-label,
    .nav-link-ultra.active .nav-label {
        color: var(--color-accent);
        transform: scale(1.05);
    }

    /* Bottom Utility */
    .nav-menu-bottom-area {
        margin-top: auto;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: var(--space-10);
    }

    .nav-menu-controls-ultra {
        display: flex;
        align-items: center;
        gap: var(--space-8);
        font-size: 11px;
        font-weight: var(--weight-bold);
        text-transform: uppercase;
        letter-spacing: 0.2em;
        color: var(--color-text-secondary);
    }

    .ultra-control-btn {
        display: flex;
        align-items: center;
        gap: var(--space-2);
        cursor: pointer;
        transition: color 0.3s ease;
        background: transparent;
        border: none;
        padding: 0;
        color: inherit;
        font: inherit;
    }

    .ultra-control-btn:hover {
        color: var(--color-accent);
    }

    .control-sep {
        opacity: 0.2;
    }

    .nav-menu-legal-footer {
        display: flex;
        align-items: center;
        gap: var(--space-4);
        font-size: 9px;
        color: var(--color-text-muted);
        letter-spacing: 0.1em;
        text-transform: uppercase;
    }

    .legal-sep {
        width: 1px;
        height: 10px;
        background: var(--color-border);
    }

    @keyframes menuContentFadeUp {
        from { opacity: 0; transform: translateY(40px); }
        to { opacity: 1; transform: translateY(0); }
    }
}

@media (max-width: 480px) {
    .nav-menu-content { padding-top: var(--space-16); }
    .nav-label { font-size: clamp(1.8rem, 9vw, 2.8rem); }
}

@media (max-width: 320px) {
    .nav-menu-close-btn { top: var(--space-4); inset-inline-end: var(--space-4); }
}

/* ── RTL Fixes ───────────────────────────────────────────────────────────── */
[dir="rtl"] .nav-link-ultra { flex-direction: row-reverse; }
[dir="rtl"] .ultra-control-btn { flex-direction: row-reverse; }