/* ==========================================
   متغیرهای رنگی برای تم روشن و تاریک
   ========================================== */
:root {
    /* رنگ‌های اصلی برند (ثابت) */
    --brand-orange: #f7941d;
    --brand-navy: #0a1929;

    /* حالت روشن */
    --color-body-bg: #ffffff;
    --color-body-text: #333333;
    --color-muted: #6c757d;

    --color-topbar-bg: var(--brand-navy);
    --color-topbar-text: #cccccc;
    --color-topbar-icon: var(--brand-orange);

    --color-navbar-bg: var(--brand-navy);
    --color-navbar-text: #dddddd;
    --color-navbar-border: var(--brand-orange);
    --color-navbar-hover: var(--brand-orange);

    --color-card-bg: #ffffff;
    --color-card-border: #e0e0e0;
    --color-card-shadow: rgba(0,0,0,0.05);
    --color-card-hover-shadow: rgba(0,0,0,0.1);

    --color-footer-bg: var(--brand-navy);
    --color-footer-text: #aaaaaa;
    --color-footer-heading: var(--brand-orange);
    --color-footer-link-hover: var(--brand-orange);

    --color-dark-section-bg: var(--brand-navy);
    --color-dark-section-text: #ffffff;

    --color-btn-primary-bg: var(--brand-navy);
    --color-btn-primary-text: #ffffff;
    --color-btn-primary-hover-bg: var(--brand-orange);
    --color-btn-primary-hover-text: #000000;

    --color-btn-warning-bg: var(--brand-orange);
    --color-btn-warning-text: #000000;

    --color-btn-outline: var(--brand-navy);
    --color-btn-outline-hover-bg: var(--brand-navy);
    --color-btn-outline-hover-text: #ffffff;

    --color-theme-toggle-bg: var(--brand-orange);
    --color-theme-toggle-text: #000000;

    --color-pagination-active-bg: var(--brand-navy);
}

[data-bs-theme="dark"] {
    --color-body-bg: #121212;
    --color-body-text: #e0e0e0;
    --color-muted: #adb5bd;

    --color-topbar-bg: #1e1e2f;
    --color-topbar-text: #dddddd;
    --color-topbar-icon: var(--brand-orange);

    --color-navbar-bg: #111827;
    --color-navbar-text: #eeeeee;
    --color-navbar-border: var(--brand-orange);
    --color-navbar-hover: var(--brand-orange);

    --color-card-bg: #1e1e2f;
    --color-card-border: #2d2d3a;
    --color-card-shadow: rgba(0,0,0,0.3);
    --color-card-hover-shadow: rgba(0,0,0,0.5);

    --color-footer-bg: #111827;
    --color-footer-text: #cccccc;
    --color-footer-heading: var(--brand-orange);
    --color-footer-link-hover: var(--brand-orange);

    --color-dark-section-bg: #111827;
    --color-dark-section-text: #eeeeee;

    --color-btn-primary-bg: var(--brand-orange);
    --color-btn-primary-text: #000000;
    --color-btn-primary-hover-bg: #e0860f;
    --color-btn-primary-hover-text: #000000;

    --color-btn-warning-bg: #ffc107;
    --color-btn-warning-text: #000000;

    --color-btn-outline: var(--brand-orange);
    --color-btn-outline-hover-bg: var(--brand-orange);
    --color-btn-outline-hover-text: #000000;

    --color-theme-toggle-bg: #0d6efd;
    --color-theme-toggle-text: #ffffff;

    --color-pagination-active-bg: var(--brand-orange);
}

/* ==========================================
   استایل‌های عمومی
   ========================================== */
body {
    font-family: 'Vazirmatn', Tahoma, sans-serif;
    background-color: var(--color-body-bg);
    color: var(--color-body-text);
    overflow-x: hidden;
    width: 100%;
    transition: background-color 0.3s, color 0.3s;
}

a {
    color: var(--brand-orange);
    text-decoration: none;
    transition: 0.2s;
}
a:hover {
    color: var(--brand-orange);
    opacity: 0.8;
}

/* ===== هدر صنعتی ===== */
.top-bar {
    background: var(--color-topbar-bg);
    color: var(--color-topbar-text);
    font-size: 0.9rem;
    transition: background 0.3s, color 0.3s;
}
.top-bar a {
    color: var(--color-topbar-text);
    text-decoration: none;
}
.top-bar i {
    color: var(--color-topbar-icon);
}

.navbar {
    background: var(--color-navbar-bg) !important;
    border-bottom: 3px solid var(--color-navbar-border);
    transition: background 0.3s;
}
.navbar-brand {
    font-weight: bold;
    font-size: 1.5rem;
    color: #fff !important;
}
.nav-link {
    color: var(--color-navbar-text) !important;
    transition: 0.3s;
}
.nav-link:hover,
.nav-link.active {
    color: var(--color-navbar-hover) !important;
}
.dropdown-menu {
    background-color: var(--color-card-bg);
    border-color: var(--color-card-border);
}
.dropdown-item {
    color: var(--color-body-text);
}
.dropdown-item:hover {
    background-color: var(--brand-orange);
    color: #000;
}

/* ===== اسلایدر ===== */
.slider-safe-container {
    overflow: hidden;
    width: 100%;
    position: relative;
    z-index: 1;
}
.hero-slider .swiper-slide {
    height: 80vh;
    background-size: cover;
    background-position: center;
    will-change: transform;
}
.hero-slider .slide-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to left, rgba(10,25,41,0.85), transparent);
}
.hero-caption {
    position: absolute;
    top: 50%;
    right: 10%;
    transform: translateY(-50%);
    color: #fff;
    max-width: 500px;
    max-width: 90%;
    word-wrap: break-word;
}
.hero-caption h2 {
    font-size: 2.8rem;
    font-weight: bold;
    color: var(--brand-orange);
    text-shadow: 2px 2px 8px rgba(0,0,0,0.5);
}

/* ===== کارت خدمات ===== */
.service-card {
    background: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-radius: 8px;
    transition: all 0.3s;
}
.service-card:hover {
    border-color: var(--brand-orange);
    box-shadow: 0 8px 25px var(--color-card-hover-shadow);
    transform: translateY(-5px);
}
.service-icon {
    font-size: 2.8rem;
    color: var(--brand-navy);
    transition: 0.3s;
}
.service-card:hover .service-icon {
    color: var(--brand-orange);
}

/* ===== کارت مقالات ===== */
.blog-card {
    background: var(--color-card-bg);
    border: none;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 15px var(--color-card-shadow);
    transition: 0.3s;
}
.blog-card:hover {
    box-shadow: 0 8px 25px var(--color-card-hover-shadow);
}
.blog-card img {
    height: 220px;
    object-fit: cover;
}
.card-body, .card-footer {
    background: var(--color-card-bg);
    color: var(--color-body-text);
    border-color: var(--color-card-border);
}

/* ===== دکمه‌ها ===== */
.btn-primary {
    background-color: var(--color-btn-primary-bg);
    border-color: var(--color-btn-primary-bg);
    color: var(--color-btn-primary-text);
}
.btn-primary:hover {
    background-color: var(--color-btn-primary-hover-bg);
    border-color: var(--color-btn-primary-hover-bg);
    color: var(--color-btn-primary-hover-text);
}
.btn-warning {
    background-color: var(--color-btn-warning-bg);
    border-color: var(--color-btn-warning-bg);
    color: var(--color-btn-warning-text);
    font-weight: bold;
}
.btn-outline-primary {
    color: var(--color-btn-outline);
    border-color: var(--color-btn-outline);
}
.btn-outline-primary:hover {
    background-color: var(--color-btn-outline-hover-bg);
    color: var(--color-btn-outline-hover-text);
}

/* ===== فوتر ===== */
.footer {
    background: var(--color-footer-bg);
    color: var(--color-footer-text);
    padding: 2rem 0;
    transition: background 0.3s, color 0.3s;
}
.footer h5 {
    color: var(--color-footer-heading);
}
.footer a {
    color: var(--color-footer-text);
    text-decoration: none;
}
.footer a:hover {
    color: var(--color-footer-link-hover);
}

/* ===== بخش dark ===== */
.bg-dark-section {
    background-color: var(--color-dark-section-bg);
    color: var(--color-dark-section-text);
    transition: background 0.3s, color 0.3s;
}

/* ===== صفحه بندی ===== */
.pagination .page-link {
    color: var(--color-body-text);
    background-color: var(--color-card-bg);
    border-color: var(--color-card-border);
}
.pagination .active .page-link {
    background-color: var(--color-pagination-active-bg);
    border-color: var(--color-pagination-active-bg);
    color: #fff;
}

/* ===== دکمه تغییر تم ===== */
.theme-toggle-btn {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    z-index: 1050;
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    border: none;
    background-color: var(--color-theme-toggle-bg);
    color: var(--color-theme-toggle-text);
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 12px rgba(0,0,0,0.3);
    cursor: pointer;
    transition: background-color 0.3s, transform 0.2s;
}
.theme-toggle-btn:hover {
    transform: scale(1.1);
}

/* ===== ریسپانسیو اضافی ===== */
@media (max-width: 768px) {
    .hero-caption h2 {
        font-size: 2rem;
    }
}