/* Layout - Premium Business Standards */

/* ============================================
   CONTAINER SYSTEM
   ============================================ */

.container {
    width: 100%;
    max-width: 1280px;
    margin-inline: auto;
    padding-inline: var(--space-6);
}

.container-narrow {
    max-width: 768px;
}

.container-wide {
    max-width: 1440px;
}

/* ============================================
   SECTION SYSTEM
   ============================================ */

.section {
    padding-top: var(--space-20);
    padding-bottom: var(--space-20);
}

.section-sm {
    padding-top: var(--space-12);
    padding-bottom: var(--space-12);
}

.section-lg {
    padding-top: var(--space-32);
    padding-bottom: var(--space-32);
}

.section-dark {
    background: linear-gradient(135deg, var(--color-primary-900) 0%, var(--color-primary-800) 100%);
    color: var(--color-white);
}

.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark h4,
.section-dark p {
    color: var(--color-white);
}

.section-dark .text-lead {
    color: var(--color-neutral-400);
}

.section-light {
    background: var(--color-neutral-050);
}

/* Subtle gradient background */
.section-gradient {
    background: linear-gradient(180deg, var(--color-white) 0%, var(--color-neutral-050) 100%);
}

/* ============================================
   GRID SYSTEM
   ============================================ */

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
    align-items: start;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
}

.grid-auto {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-8);
}

/* Grid alignment */
.grid-center {
    align-items: center;
}

/* ============================================
   PREMIUM HEADER
   ============================================ */

.site-header {
    padding: var(--space-5) 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-neutral-200);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    transition: all var(--transition-base);
}

.site-header.scrolled {
    padding: var(--space-4) 0;
    box-shadow: var(--shadow-md);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-8);
}

/* Premium Logo */
.logo {
    font-family: var(--font-serif);
    font-weight: 400;
    font-size: 2rem;
    letter-spacing: 0.12em;
    color: var(--color-primary-900);
    text-transform: uppercase;
    text-decoration: none;
    transition: all var(--transition-base);
    position: relative;
}

.logo::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent-gold) 0%, transparent 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.logo:hover::after {
    transform: scaleX(1);
}

.logo:hover {
    color: var(--color-accent-gold-dim);
}

/* Navigation Links */
.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.nav-link {
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-neutral-600);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-base);
    position: relative;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--color-accent-gold);
    transition: all var(--transition-base);
    transform: translateX(-50%);
}

.nav-link:hover {
    color: var(--color-primary-900);
}

.nav-link:hover::before {
    width: calc(100% - var(--space-8));
}

.nav-link.active {
    color: var(--color-primary-900);
    font-weight: 600;
}

.nav-link.active::before {
    width: calc(100% - var(--space-8));
}

/* Language Toggle */
.nav-link.lang-btn {
    background: var(--color-neutral-100);
    font-weight: 600;
    color: var(--color-primary-900);
}

.nav-link.lang-btn:hover {
    background: var(--color-neutral-200);
}

/* Navigation Separator */
.nav-separator {
    width: 1px;
    height: 24px;
    background: var(--color-neutral-200);
    margin: 0 var(--space-4);
}

/* Contact Button in Nav */
.contact-btn {
    margin-left: var(--space-4);
    padding: var(--space-3) var(--space-5) !important;
    font-size: var(--text-xs) !important;
}

[dir="rtl"] .contact-btn {
    margin-left: 0;
    margin-right: var(--space-4);
}

/* Mobile Menu Toggle */
.mobile-toggle {
    display: none;
    background: none;
    border: none;
    width: 40px;
    height: 40px;
    cursor: pointer;
    color: var(--color-primary-900);
    padding: var(--space-2);
}

.mobile-toggle svg {
    width: 100%;
    height: 100%;
}

/* ============================================
   PREMIUM FOOTER
   ============================================ */

.site-footer {
    background: linear-gradient(135deg, var(--color-primary-900) 0%, #050D1A 100%);
    color: var(--color-white);
    padding-top: var(--space-20);
    padding-bottom: var(--space-8);
    font-family: var(--font-sans);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-12);
    margin-bottom: var(--space-16);
}

.footer-col {
    display: flex;
    flex-direction: column;
}

.footer-logo {
    font-family: var(--font-serif);
    font-size: var(--text-2xl);
    font-weight: 400;
    letter-spacing: 0.12em;
    margin-bottom: var(--space-4);
    display: inline-block;
    color: var(--color-white);
    text-decoration: none;
    text-transform: uppercase;
}

.footer-description {
    color: var(--color-neutral-400);
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
    max-width: 280px;
}

.footer-heading {
    color: var(--color-accent-gold);
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: var(--tracking-widest);
    margin-bottom: var(--space-6);
    font-weight: 600;
}

.footer-link {
    display: block;
    color: var(--color-neutral-300);
    margin-bottom: var(--space-3);
    font-size: var(--text-sm);
    transition: all var(--transition-base);
    text-decoration: none;
}

.footer-link:hover {
    color: var(--color-white);
    transform: translateX(4px);
}

[dir="rtl"] .footer-link:hover {
    transform: translateX(-4px);
}

.footer-bottom {
    padding-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.footer-legal-links {
    display: flex;
    gap: var(--space-6);
}

.footer-legal-link {
    font-size: var(--text-xs);
    color: var(--color-neutral-500);
    cursor: pointer;
    transition: color var(--transition-base);
}

.footer-legal-link:hover {
    color: var(--color-neutral-300);
}

.footer-copyright {
    font-size: var(--text-xs);
    color: var(--color-neutral-500);
}

/* ============================================
   ACCESSIBILITY
   ============================================ */

/* Skip to Main Content Link */
.skip-link {
    position: absolute;
    top: -100px;
    left: var(--space-4);
    background: var(--color-primary-900);
    color: var(--color-white);
    padding: var(--space-3) var(--space-6);
    text-decoration: none;
    z-index: 1000;
    font-weight: 600;
    font-size: var(--text-sm);
    border-radius: 0 0 var(--border-radius-md) var(--border-radius-md);
    transition: top var(--transition-base);
}

.skip-link:focus {
    top: 0;
}

/* Focus States */
.nav-link:focus-visible,
.btn:focus-visible,
.footer-link:focus-visible,
a:focus-visible {
    outline: 2px solid var(--color-accent-gold);
    outline-offset: 2px;
}

/* ============================================
   RESPONSIVE - MOBILE FIRST
   ============================================ */

@media (max-width: 1024px) {
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

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

@media (max-width: 768px) {
    .container {
        padding-inline: var(--space-4);
    }

    .section {
        padding-top: var(--space-12);
        padding-bottom: var(--space-12);
    }

    .grid-3,
    .grid-2 {
        grid-template-columns: 1fr;
    }

    .grid-4 {
        grid-template-columns: 1fr;
    }

    /* Mobile Navigation */
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-white);
        padding: var(--space-6);
        border-bottom: 1px solid var(--color-neutral-200);
        box-shadow: var(--shadow-lg);
        gap: var(--space-2);
    }

    .nav-links.open {
        display: flex;
    }

    .mobile-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .header-inner {
        position: relative;
    }

    .nav-separator {
        display: none;
    }

    .contact-btn {
        margin: var(--space-4) 0 0 0;
        width: 100%;
    }

    [dir="rtl"] .contact-btn {
        margin: var(--space-4) 0 0 0;
    }

    /* Mobile Footer */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-4);
    }

    .footer-legal-links {
        flex-wrap: wrap;
        gap: var(--space-4);
    }
}

/* High DPI screens */
@media (-webkit-min-device-pixel-ratio: 2),
(min-resolution: 192dpi) {
    .site-header {
        border-bottom-width: 0.5px;
    }
}