/* assets/css/css_index.css */
/* تعریف فونت سفارشی */
@font-face {
    font-family: 'vazirmatnmedium';
    src: url('/assets/font/vazirmatnmedium.woff2') format('woff2');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

/* اعمال فونت به کل سایت */
* {
    font-family: 'vazirmatnmedium', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* اطمینان از اعمال فونت به اعداد */
body,
input,
textarea,
select,
button {
    font-family: 'vazirmatnmedium', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-variant-numeric: lining-nums;
}


* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* =========================
   Professional Multi-level Header Menu
   Structure expected:
   <ul class="main-menu">
     <li class="has-submenu">
       <a>...</a>
       <ul class="sub-menu">...</ul>
     </li>
   </ul>
========================= */

:root {

    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #8b5cf6;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --dark: #1e293b;
    --dark-light: #334155;
    --gray: #64748b;
    --gray-light: #cbd5e1;
    --white: #ffffff;
    --bg: #f8fafc;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --menu-bg: #ffffff;
    --menu-text: #0f172a;
    --menu-muted: #64748b;
    --menu-hover: #f1f5f9;
    --menu-border: #e2e8f0;
    --menu-shadow: 0 12px 30px rgba(2, 6, 23, 0.12);
    --menu-radius: 12px;
    --menu-speed: 0.24s;
    --menu-z: 1000;
    --menu-item-py: 10px;
    --menu-item-px: 14px;
    --submenu-min-w: 230px;
    --accent: #2563eb;
}

/* کانتینر منو */
.main-nav,
nav.main-nav {
    position: relative;
    z-index: var(--menu-z);
}

/* منوی اصلی */
.main-menu {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 6px;
    margin: 0;
    padding: 0;
}

/* آیتم سطح اول */
.main-menu>li {
    position: relative;
}

.main-menu>li>a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--menu-text);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    padding: 10px 12px;
    border-radius: 10px;
    transition: background var(--menu-speed) ease, color var(--menu-speed) ease;
}

.main-menu>li>a:hover,
.main-menu>li:hover>a,
.main-menu>li:focus-within>a {
    background: var(--menu-hover);
    color: var(--accent);
}

/* فلش */
.main-menu .submenu-arrow {
    font-size: 0.75rem;
    line-height: 1;
    opacity: 0.8;
    transition: transform var(--menu-speed) ease;
}

.main-menu>li.has-submenu:hover>a .submenu-arrow,
.main-menu>li.has-submenu:focus-within>a .submenu-arrow {
    transform: rotate(180deg);
}

/* زیرمنو پایه */
.sub-menu {
    list-style: none;
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    min-width: var(--submenu-min-w);
    margin: 0;
    padding: 8px;
    background: var(--menu-bg);
    border: 1px solid var(--menu-border);
    border-radius: var(--menu-radius);
    box-shadow: var(--menu-shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition:
        opacity var(--menu-speed) ease,
        transform var(--menu-speed) ease,
        visibility var(--menu-speed) ease;
    z-index: calc(var(--menu-z) + 10);
}

/* نمایش زیرمنو سطح اول در hover/focus */
.main-menu>li.has-submenu:hover>.sub-menu,
.main-menu>li.has-submenu:focus-within>.sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* آیتم‌های داخل زیرمنو */
.sub-menu>li {
    position: relative;
}

.sub-menu>li>a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    color: var(--menu-text);
    text-decoration: none;
    font-size: 0.92rem;
    font-weight: 500;
    padding: var(--menu-item-py) var(--menu-item-px);
    border-radius: 10px;
    transition: background var(--menu-speed) ease, color var(--menu-speed) ease;
    white-space: nowrap;
}

.sub-menu>li>a:hover,
.sub-menu>li:hover>a,
.sub-menu>li:focus-within>a {
    background: var(--menu-hover);
    color: var(--accent);
}

/* زیرمنوی تو در تو (سطح 2 به بعد) */
.sub-menu .sub-menu,
.sub-menu .sub-menu-nested {
    top: -8px;
    left: calc(100% + 8px);
    transform: translateX(8px);
    opacity: 0;
    visibility: hidden;
}

/* نمایش زیرمنوی تو در تو */
.sub-menu>li.has-submenu:hover>.sub-menu,
.sub-menu>li.has-submenu:focus-within>.sub-menu,
.sub-menu>li.has-submenu:hover>.sub-menu-nested,
.sub-menu>li.has-submenu:focus-within>.sub-menu-nested {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

/* فلش آیتم‌های داخل زیرمنو */
.sub-menu .submenu-arrow {
    transform: rotate(-90deg);
    font-size: 0.72rem;
    opacity: 0.75;
}

.sub-menu>li.has-submenu:hover>a .submenu-arrow,
.sub-menu>li.has-submenu:focus-within>a .submenu-arrow {
    transform: rotate(-90deg) translateY(0);
    opacity: 1;
}

/* Divider اختیاری اگر کلاس جداکننده داشتید */
.sub-menu .divider {
    height: 1px;
    background: var(--menu-border);
    margin: 6px 4px;
}

/* Active state اختیاری */
.main-menu a.active,
.sub-menu a.active {
    color: var(--accent);
    background: rgba(37, 99, 235, 0.08);
}

/* حالت RTL بهتر */
[dir="rtl"] .sub-menu {
    left: auto;
    right: 0;
}

[dir="rtl"] .sub-menu .sub-menu,
[dir="rtl"] .sub-menu .sub-menu-nested {
    left: auto;
    right: calc(100% + 8px);
}

/* =========================
   Mega Menu (Desktop)
   Trigger: li.mega-menu (سطح اول)
========================= */

@media (min-width: 993px) {
    .main-menu>li.mega-menu {
        position: static;
        /* مهم: تا پنل مگا نسبت به nav چیده شود */
    }

    .main-nav {
        position: relative;
    }

    /* پنل مگا */
    .main-menu>li.mega-menu>.sub-menu {
        left: 0;
        right: 0;
        top: calc(100% + 10px);
        width: 100%;
        min-width: 100%;
        padding: 18px;
        border-radius: 14px;
        display: grid;
        grid-template-columns: repeat(4, minmax(180px, 1fr));
        gap: 14px;
        align-items: flex-start;
        max-height: min(70vh, 720px);
        overflow: auto;
    }

    /* هر آیتم مستقیم زیر mega-menu = یک ستون */
    .main-menu>li.mega-menu>.sub-menu>li {
        background: #fff;
        border: 1px solid var(--menu-border);
        border-radius: 12px;
        padding: 10px;
    }

    /* عنوان ستون */
    .main-menu>li.mega-menu>.sub-menu>li>a {
        font-weight: 700;
        color: #0b1220;
        background: #f8fafc;
        border: 1px solid #eef2f7;
        margin-bottom: 8px;
    }

    /* در مگامنو، زیرمنوی ستون‌ها دیگر absolute نباشند */
    .main-menu>li.mega-menu>.sub-menu>li>.sub-menu,
    .main-menu>li.mega-menu>.sub-menu>li>.sub-menu-nested {
        position: static;
        display: block;
        opacity: 1;
        visibility: visible;
        transform: none;
        min-width: 100%;
        border: 0;
        box-shadow: none;
        background: transparent;
        padding: 0;
        margin: 0;
    }

    .main-menu>li.mega-menu>.sub-menu>li>.sub-menu>li>a,
    .main-menu>li.mega-menu>.sub-menu>li>.sub-menu-nested>li>a {
        padding: 8px 10px;
        border-radius: 8px;
        font-size: 0.9rem;
        font-weight: 500;
    }

    /* فلش‌ها داخل مگا کمتر نمایش داده شوند */
    .main-menu>li.mega-menu .submenu-arrow {
        display: none;
    }

    /* اگر ستون‌ها زیاد شد */
    .main-menu>li.mega-menu>.sub-menu.columns-5 {
        grid-template-columns: repeat(5, minmax(160px, 1fr));
    }

    .main-menu>li.mega-menu>.sub-menu.columns-6 {
        grid-template-columns: repeat(6, minmax(140px, 1fr));
    }
}

/* =========================
   Mega Menu (Mobile)
========================= */
@media (max-width: 992px) {
    .main-menu>li.mega-menu>.sub-menu {
        display: none;
        padding: 4px 0 0;
    }

    .main-menu>li.mega-menu.open>.sub-menu {
        display: block;
    }

    .main-menu>li.mega-menu>.sub-menu>li {
        border: 0;
        padding: 0;
        background: transparent;
    }

    .main-menu>li.mega-menu>.sub-menu>li>a {
        background: #eef2ff;
        color: #1e293b;
        font-weight: 700;
        margin-bottom: 4px;
    }

    .main-menu>li.mega-menu .submenu-arrow {
        display: inline-block;
    }
}

/* =========================
   Mobile / Tablet
========================= */
@media (max-width: 992px) {
    .main-menu {
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
        width: 100%;
        padding: 8px 0;
    }

    .main-menu>li>a {
        width: 100%;
        justify-content: space-between;
        padding: 12px 10px;
        border-radius: 10px;
    }

    /* در موبایل زیرمنو absolute نباشد */
    .sub-menu,
    .sub-menu .sub-menu,
    .sub-menu .sub-menu-nested {
        position: static;
        min-width: 100%;
        border: 0;
        box-shadow: none;
        background: transparent;
        margin-top: 4px;
        padding: 0 0 0 10px;
        opacity: 1;
        visibility: visible;
        transform: none;
        display: none;
        /* با کلاس باز می‌کنیم */
    }

    [dir="rtl"] .sub-menu,
    [dir="rtl"] .sub-menu .sub-menu,
    [dir="rtl"] .sub-menu .sub-menu-nested {
        padding: 0 10px 0 0;
    }

    .main-menu li.open>.sub-menu,
    .sub-menu li.open>.sub-menu,
    .sub-menu li.open>.sub-menu-nested {
        display: block;
    }

    .main-menu .submenu-arrow {
        transform: rotate(0deg);
    }

    .main-menu li.open>a .submenu-arrow {
        transform: rotate(180deg);
    }

    .sub-menu>li>a {
        background: #f8fafc;
        margin-bottom: 4px;
    }
}

/* دسترسی‌پذیری: کاهش انیمیشن */
@media (prefers-reduced-motion: reduce) {

    .main-menu *,
    .sub-menu * {
        transition: none !important;
        animation: none !important;
    }
}


body {

    direction: rtl;
    background: var(--bg);
    color: var(--dark);

}

.container-fluid {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ═══════════════════════════════════════
   MODERN HEADER
═══════════════════════════════════════ */

.modern-header {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

.modern-header.scrolled {
    box-shadow: var(--shadow-lg);
}

/* ─────────────────────────────────────
   TOP NAVIGATION
───────────────────────────────────── */

.top-nav {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    padding: 16px 0;
}

.top-nav-content {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 32px;
    line-height: 3;
}

/* Brand Logo */
.brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    transition: var(--transition);
}

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

.brand-icon {
    width: 48px;
    height: 48px;
    object-fit: contain;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.1);
    padding: 6px;
    backdrop-filter: blur(10px);
}

.brand-name {
    font-size: 24px;
    font-weight: 800;
    color: var(--white);
    letter-spacing: -0.5px;
}

/* Search Wrapper */
.search-wrapper {
    max-width: 600px;
    width: 100%;
}

.search-form {
    position: relative;
    display: flex;
    align-items: center;
    background: var(--white);
    border-radius: 50px;
    padding: 4px 4px 4px 20px;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.search-form:focus-within {
    box-shadow: var(--shadow-xl), 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.search-icon {
    color: var(--gray);
    margin-left: 12px;
    flex-shrink: 0;
}

.search-input {
    flex: 1;
    border: none;
    outline: none;
    font-family: inherit;
    font-size: 15px;
    color: var(--dark);
    background: transparent;
    padding: 12px 8px;
}

.search-input::placeholder {
    color: var(--gray);
}

.search-submit {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    border: none;
    border-radius: 50px;
    padding: 12px 28px;
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.search-submit:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.action-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--white);
    padding: 10px 16px;
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.action-btn:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
}

.action-btn svg {
    flex-shrink: 0;
}

.action-btn .badge {
    position: absolute;
    top: -6px;
    left: -6px;
    background: linear-gradient(135deg, var(--danger), #dc2626);
    color: var(--white);
    font-size: 11px;
    font-weight: 700;
    min-width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    padding: 0 6px;
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.4);
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.1);
    }
}

/* ─────────────────────────────────────
   MAIN NAVIGATION
───────────────────────────────────── */

.main-nav {
    background: var(--white);
    border-top: 1px solid var(--gray-light);
}

.nav-content {
    display: flex;
    align-items: center;
    gap: 8px;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.nav-content::-webkit-scrollbar {
    display: none;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 16px 20px;
    color: var(--gray);
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    white-space: nowrap;
    border-bottom: 3px solid transparent;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover {
    color: var(--primary);
    background: rgba(99, 102, 241, 0.05);
}

.nav-link.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.nav-link svg {
    flex-shrink: 0;
}

/* Quick Categories */
.quick-categories {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-right: auto;
    padding-right: 20px;
    border-right: 1px solid var(--gray-light);
}

.category-chip {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--bg);
    color: var(--gray);
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    border-radius: 50px;
    transition: var(--transition);
    white-space: nowrap;
}

.category-chip:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.category-chip svg {
    flex-shrink: 0;
}

/* ─────────────────────────────────────
   DYNAMIC MENU STYLES
───────────────────────────────────── */

ul.main-menu {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0;
    padding: 0;
}

ul.main-menu>li {
    position: relative;
}

ul.main-menu>li>a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 16px 20px;
    color: var(--gray);
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    white-space: nowrap;
    border-bottom: 3px solid transparent;
    transition: var(--transition);
}

ul.main-menu>li>a:hover {
    color: var(--primary);
    background: rgba(99, 102, 241, 0.05);
}

ul.main-menu>li.has-submenu>a::after {
    content: '▾';
    margin-right: 4px;
    font-size: 12px;
    transition: var(--transition);
}

ul.main-menu>li.has-submenu:hover>a::after {
    transform: rotate(180deg);
}

/* Submenu */
ul.main-menu>li>.sub-menu {
    list-style: none;
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 220px;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-xl);
    padding: 8px;
    margin: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    z-index: 100;
}

ul.main-menu>li:hover>.sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

ul.main-menu>li>.sub-menu>li>a {
    display: block;
    padding: 12px 16px;
    color: var(--dark);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

ul.main-menu>li>.sub-menu>li>a:hover {
    background: var(--bg);
    color: var(--primary);
    padding-right: 20px;
}

/* ═══════════════════════════════════════
   RESPONSIVE DESIGN
═══════════════════════════════════════ */

@media (max-width: 1024px) {
    .top-nav-content {
        grid-template-columns: auto 1fr;
        gap: 20px;
    }

    .search-wrapper {
        grid-column: 1 / -1;
        max-width: 100%;
    }

    .quick-categories {
        display: none;
    }
}

@media (max-width: 768px) {
    .container-fluid {
        padding: 0 16px;
    }

    .top-nav {
        padding: 12px 0;
    }

    .brand-icon {
        width: 40px;
        height: 40px;
    }

    .brand-name {
        font-size: 20px;
    }

    .header-actions {
        gap: 8px;
    }

    .action-btn span {
        display: none;
    }

    .action-btn {
        padding: 10px 12px;
    }

    .nav-link {
        padding: 14px 16px;
        font-size: 14px;
    }

    ul.main-menu>li>.sub-menu {
        position: static;
        box-shadow: none;
        background: var(--bg);
        opacity: 1;
        visibility: visible;
        transform: none;
    }
}

@media (max-width: 480px) {
    .brand-name {
        font-size: 18px;
    }

    .search-form {
        padding: 4px;
    }

    .search-input {
        font-size: 14px;
        padding: 10px 8px;
    }

    .search-submit {
        padding: 10px 20px;
        font-size: 13px;
    }

    .nav-link {
        padding: 12px 14px;
        font-size: 13px;
    }
}

/* ═══════════════════════════════════════
   ANIMATIONS
═══════════════════════════════════════ */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modern-header {
    animation: fadeIn 0.4s ease;
}

/* ===== Banner Section ===== */
.banner-section {
    position: relative;
    background: linear-gradient(135deg, #e00000 0%, #430e79 100%);
    padding: 10px 20px 30px;
    overflow: hidden;
    margin-bottom: 60px;
}

.floating-shapes {
    position: absolute;
    inset: 0;
    overflow: hidden;
    opacity: 0.1;
}

.shape {
    position: absolute;
    background: white;
    border-radius: 50%;
    animation: float 20s infinite ease-in-out;
}

.shape-1 {
    width: 300px;
    height: 300px;
    top: -100px;
    right: -50px;
    animation-delay: 0s;
}

.shape-2 {
    width: 200px;
    height: 200px;
    bottom: -50px;
    left: 10%;
    animation-delay: 5s;
}

.shape-3 {
    width: 150px;
    height: 150px;
    top: 50%;
    left: -75px;
    animation-delay: 10s;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0) rotate(0deg);
    }

    50% {
        transform: translateY(-30px) rotate(180deg);
    }
}

.banner-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    position: relative;
    z-index: 1;
}

.banner-text {
    text-align: center;
    flex: 1;
    animation: fadeInUp 0.8s ease-out;
}

.banner-text h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    color: white;
    margin-bottom: 16px;
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.banner-text p {
    font-size: clamp(1rem, 2.5vw, 1.5rem);
    color: rgba(255, 255, 255, 0.95);
    font-weight: 300;
}

.banner-decoration-right,
.banner-decoration-left {
    display: none;
}

@media (min-width: 768px) {

    .banner-decoration-right,
    .banner-decoration-left {
        display: block;
        animation: fadeIn 1s ease-out 0.3s both;
    }

    .code-blocks {
        display: flex;
        flex-direction: column;
        gap: 8px;
    }

    .code-line {
        height: 4px;
        background: rgba(255, 255, 255, 0.3);
        border-radius: 2px;
        animation: pulse 2s infinite;
    }

    .code-line:nth-child(1) {
        width: 80px;
        animation-delay: 0s;
    }

    .code-line:nth-child(2) {
        width: 120px;
        animation-delay: 0.3s;
    }

    .code-line:nth-child(3) {
        width: 60px;
        animation-delay: 0.6s;
    }

    .terminal {
        width: 140px;
        height: 100px;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 8px;
        padding: 8px;
        backdrop-filter: blur(10px);
    }

    .terminal-header {
        height: 12px;
        background: rgba(255, 255, 255, 0.2);
        border-radius: 4px 4px 0 0;
        margin-bottom: 8px;
    }

    .terminal-body {
        position: relative;
        height: calc(100% - 20px);
    }

    .cursor {
        position: absolute;
        width: 8px;
        height: 16px;
        background: rgba(255, 255, 255, 0.8);
        animation: blink 1s infinite;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 0.3;
    }

    50% {
        opacity: 0.8;
    }
}

@keyframes blink {

    0%,
    49% {
        opacity: 1;
    }

    50%,
    100% {
        opacity: 0;
    }
}

/* Page Preloader */
.page-preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.3s ease;
}

.preloader-content {
    text-align: center;
    color: white;
}

.spinner {
    width: 50px;
    height: 50px;
    margin: 0 auto 20px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.preloader-content p {
    font-size: 16px;
    font-weight: 500;
    margin: 0;
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

/* ===== FIX: menu over banner + unify submenu class ===== */

/* هدر همیشه بالاتر از بنر */
.modern-header {
    position: sticky;
    top: 0;
    z-index: 3000 !important;
}

/* والدهای منو اجازه خروج زیرمنو را بدهند */
.main-nav,
.nav-content,
.main-menu,
.main-menu>li {
    overflow: visible !important;
}

/* زیرمنو واقعی شما: sub-menu (نه submenu) */
.main-menu>li>.sub-menu,
.main-menu .sub-menu {
    z-index: 3500 !important;
}

/* نمایش زیرمنو روی hover/focus */
.main-menu>li.has-submenu:hover>.sub-menu,
.main-menu>li.has-submenu:focus-within>.sub-menu,
.main-menu .sub-menu>li.has-submenu:hover>.sub-menu,
.main-menu .sub-menu>li.has-submenu:focus-within>.sub-menu {
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto;
}

/* بنر پایین‌تر از هدر/منو */
.banner-section {
    position: relative;
    z-index: 1 !important;
}

/* اگر preloader ماندگار شد، کلیک را نبندد */
.page-preloader[style*="display: none"] {
    pointer-events: none;
}
/* ═══════════════════════════════════════
   MOBILE MENU TOGGLE
═══════════════════════════════════════ */

.mobile-menu-toggle {
    display: none;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--white);
    padding: 10px;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
}

.mobile-menu-toggle:hover {
    background: rgba(255, 255, 255, 0.25);
}

.mobile-menu-toggle svg {
    display: block;
}

@media (max-width: 992px) {
    .mobile-menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .main-nav {
        display: none;
    }

    .main-nav.active {
        display: block;
    }

    .nav-content {
        flex-direction: column;
        align-items: stretch;
        padding: 12px 0;
    }

    .main-menu {
        max-height: 70vh;
        overflow-y: auto;
    }

    .quick-categories {
        border-right: none;
        border-top: 1px solid var(--gray-light);
        padding: 12px 0 0;
        margin: 12px 0 0;
        flex-wrap: wrap;
    }
}