/* FIX: :root فقط در main.css تعریف می‌شود — اینجا حذف شد */

@font-face {
    font-family: 'IranSans';
    src: url('../fonts/AbarLow-ExtraBold.woff2') format('woff2');
    font-weight: 400;
}

/* FIX: مسیر اشتباه ../font/ تصحیح شد به ../fonts/ */
@font-face {
    font-family: 'IranSans';
    src: url('../fonts/AbarLow-ExtraBold.woff2') format('woff2');
    font-weight: 500;
}

@font-face {
    font-family: 'IranSans';
    src: url('../fonts/AbarLow-Black.woff2') format('woff2');
    font-weight: 700;
}

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

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--greenlight);
}

::-webkit-scrollbar-thumb {
    background: var(--deep);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--dark);
}

/* FIX: دو بلاک html ادغام شدند */
html {
    scroll-behavior: smooth;
}

/* FIX: font-size:10px روی main حذف شد — باعث خرابی rem‌ها می‌شد */
body {
    font-family: 'IranSans', sans-serif;
    background: none;
    color: #333;
    overflow-x: hidden;
    font-size: 1rem;
    line-height: 1.6;
    background-image: linear-gradient(rgba(3, 17, 0, 0.658), rgba(3, 48, 0, 0.568)), url('../images/backgrand-images/categories/categories-10.jpg');
    /* FIX: در iOS Safari background-attachment:fixed روی body هم مشکل دارد — به scroll تغییر یافت */
    background-attachment: scroll;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

a {
    text-decoration: none;
}

footer {
    background: var(--dark);
    color: var(--light);
    text-align: center;
    padding: 60px 20px;
    margin: 150px 12px 0;
    border-radius: 24px 24px 0 0;
    box-shadow: 0 10px 40px rgba(0, 0, 0, .2);
}

footer h3 {
    color: var(--primary);
    font-size: 1.8rem;
    margin-bottom: 15px;
}

body.categories-page {
    font-family: 'IranSans', sans-serif;
    background-image: linear-gradient(rgba(3, 17, 0, 0.9), rgba(3, 48, 0, 0.75)), url('../images/backgrand-images/categories-bg.jpg');
    background-attachment: scroll;
    background-size: cover;
    background-position: center;
    min-height: 100dvh;
    color: white;
    overflow-x: hidden;
}

/* FIX: fallback برای مرورگرهای بدون dvh */
.categories-container {
    display: grid;
    grid-template-rows: repeat(10, 100vh);
    grid-template-rows: repeat(10, 100dvh);
    width: 100%;
}

.category-section {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 2rem;
    gap: 1rem;
    scroll-margin-bottom: 120px;
}

.main-category {
    font-weight: 400;
    color: var(--primary);
    display: flex;
    flex-wrap: wrap;
    gap: 1.8rem;
    justify-content: center;
    background: rgba(255, 255, 255, 0.15);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 50px;
    text-align: center;
    text-decoration: none;
    font-size: 1.7rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.4s ease;
    min-width: 160px;
}

.main-category:hover {
    background: var(--primary);
    transform: translateY(-8px) scale(1.05);
    box-shadow: 0 10px 30px rgba(71, 181, 158, 0.4);
}

.sub-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 1.8rem;
    justify-content: center;
    max-width: 90%;
}

.sub-categories a {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    padding: .8rem 1rem;
    border-radius: 50px;
    text-decoration: none;
    font-size: 1.3rem;
    font-weight: 700;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.4s ease;
    min-width: 160px;
}

.sub-categories a:hover {
    background: var(--primary);
    transform: translateY(-8px) scale(1.05);
    box-shadow: 0 10px 30px rgba(71, 181, 158, 0.4);
}

@media (max-width: 768px) {
    .main-category {
        font-size: 2.2rem;
    }

    .sub-categories {
        gap: 1.2rem;
    }

    .sub-categories a {
        padding: 0.9rem 1.6rem;
        font-size: 1rem;
        min-width: 140px;
    }
}

/* FIX: background-attachment:fixed روی المنت‌های غیر body در iOS Safari کار نمی‌کند — به scroll تغییر یافت */
#category-1 {
    background-image: linear-gradient(rgba(3, 17, 0, 0.658), rgba(3, 48, 0, 0.568)), url('../images/backgrand-images/categories/categories-1.jpg');
    background-attachment: scroll;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

#category-2 {
    background-image: linear-gradient(rgba(3, 17, 0, 0.658), rgba(3, 48, 0, 0.568)), url('../images/backgrand-images/categories/categories-2.jpg');
    background-attachment: scroll;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

#category-3 {
    background-image: linear-gradient(rgba(3, 17, 0, 0.658), rgba(3, 48, 0, 0.568)), url('../images/backgrand-images/categories/categories-3.jpg');
    background-attachment: scroll;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

#category-4 {
    background-image: linear-gradient(rgba(3, 17, 0, 0.658), rgba(3, 48, 0, 0.568)), url('../images/backgrand-images/categories/categories-4.jpg');
    background-attachment: scroll;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

#category-5 {
    background-image: linear-gradient(rgba(3, 17, 0, 0.658), rgba(3, 48, 0, 0.568)), url('../images/backgrand-images/categories/categories-5.jpg');
    background-attachment: scroll;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

#category-6 {
    background-image: linear-gradient(rgba(3, 17, 0, 0.658), rgba(3, 48, 0, 0.568)), url('../images/backgrand-images/categories/categories-6.jpg');
    background-attachment: scroll;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

#category-7 {
    background-image: linear-gradient(rgba(3, 17, 0, 0.658), rgba(3, 48, 0, 0.568)), url('../images/backgrand-images/categories/categories-7.jpg');
    background-attachment: scroll;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

#category-8 {
    background-image: linear-gradient(rgba(3, 17, 0, 0.658), rgba(3, 48, 0, 0.568)), url('../images/backgrand-images/categories/categories-8.jpg');
    background-attachment: scroll;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

#category-9 {
    background-image: linear-gradient(rgba(3, 17, 0, 0.658), rgba(3, 48, 0, 0.568)), url('../images/backgrand-images/categories/categories-9.jpg');
    background-attachment: scroll;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

#category-10 {
    background-image: linear-gradient(rgba(3, 17, 0, 0.658), rgba(3, 48, 0, 0.568)), url('../images/backgrand-images/categories/categories-10.jpg');
    background-attachment: scroll;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

.category-navigation {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 15px 20px;
    line-height: 2.4rem;
}

.nav-container {
    display: inline-block;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 20px 5px;
    gap: 10px;
}

.nav-link {
    padding: 10px 15px;
    background: var(--dark);
    color: var(--primary);
    text-decoration: none;
    border-radius: 25px;
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    white-space: nowrap;
    flex: 1;
    min-width: 90px;
    text-align: center;
}

.nav-link:hover,
.nav-link.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(71, 181, 158, 0.3);
}

@media (max-width: 768px) {
    .nav-container {
        gap: 8px;
    }

    .nav-link {
        padding: 8px 12px;
        font-size: 0.8rem;
        min-width: 75px;
    }
}

@media (max-width: 480px) {
    .nav-link {
        font-size: 0.75rem;
        padding: 8px 10px;
        min-width: 65px;
    }
}