:root {
    /* Dark Luxury Theme - Premium Colors */
    --rz-bg: #0a0a0f;
    --rz-surface: #12121a;
    --rz-surface-elevated: #1a1a24;
    --rz-surface-card: #1e1e2e;

    /* Gold Accent Palette */
    --rz-primary-accent: #d4af37;
    --rz-gold-light: #f0d674;
    --rz-gold-dark: #b8924a;
    --rz-gold-glow: rgba(212, 175, 55, 0.25);

    /* Text Colors */
    --rz-text-dark: #ffffff;
    --rz-text-medium: #e8e8f0;
    --rz-text-light: #b0b0c8;
    --rz-text-muted: #7a7a8e;

    /* Border & Shadow */
    --rz-border: rgba(212, 175, 55, 0.15);
    --rz-border-light: rgba(255, 255, 255, 0.08);
    --rz-shadow-gold: 0 8px 32px rgba(212, 175, 55, 0.2);
    --rz-shadow-dark: 0 4px 24px rgba(0, 0, 0, 0.5);

    --font-main: "Vazirmatn", sans-serif;
    --border-radius: 8px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background: linear-gradient(180deg, #0a0a0f 0%, #12121a 50%, #0a0a0f 100%);
    color: var(--rz-text-dark);
    line-height: 1.8;
    overflow-x: hidden;
    padding-top: 0;
    position: relative;
}

body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(
            circle at 20% 10%,
            rgba(212, 175, 55, 0.08) 0%,
            transparent 30%
        ),
        radial-gradient(
            circle at 80% 80%,
            rgba(212, 175, 55, 0.05) 0%,
            transparent 30%
        );
    pointer-events: none;
    z-index: 0;
}

/* main {
    padding-top: 85px;
} */

/* --- Header --- */
.main-header {
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1030;
    padding: 20px 0;
    background-color: transparent;
    border-bottom: 1px solid transparent;
    transition: padding 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.main-header.scrolled {
    padding: 3px 0;
    box-shadow: 0 4px 32px rgba(0, 0, 0, 0.8), 0 2px 16px var(--rz-gold-glow);
    background: linear-gradient(
        180deg,
        rgba(18, 18, 26, 0.95) 0%,
        rgba(10, 10, 15, 0.98) 100%
    );
    backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--rz-border);
    color: var(--rz-text-dark);
}

/* متن و آیکن‌ها در حالت اسکرول تیره و روشن شوند */
.main-header.scrolled .nav-link {
    color: rgba(255, 255, 255, 0.95) !important;
}

/* در حالت اسکرول، رنگ لینک‌ها در حالت هاور/اکتیو نیز سفید بماند */
.main-header.scrolled .nav-link:hover,
.main-header.scrolled .nav-link.active {
    color: rgba(255, 255, 255, 0.95) !important;
}

.main-logo {
    height: 50px;
    transition: height 0.3s ease;
}

.main-header.scrolled .main-logo {
    height: 45px;
}

.nav-link {
    color: var(--rz-text-medium) !important;
    font-weight: 500;
    margin: 0 1rem;
    position: relative;
    padding-bottom: 8px;
    transition: all 0.3s ease;
}

/* حالت پیش‌فرض (بدون اسکرول): رنگ روشن */
.main-header:not(.scrolled) .nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.nav-link::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(
        90deg,
        var(--rz-gold-light),
        var(--rz-primary-accent),
        var(--rz-gold-dark)
    );
    box-shadow: 0 2px 8px var(--rz-gold-glow);
    transition: width 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--rz-primary-accent) !important;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.navbar-toggler {
    border: none;
}

.navbar-toggler:focus {
    box-shadow: none;
}

/* آیکون navbar-toggler همیشه سفید */
.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255, 255, 255, 1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

/* ===================================================================== */
/* Language Switcher Styles - Minimal & Modern */
/* ===================================================================== */

/* دکمه زبان موبایل */
.lang-btn-mobile {
    background: linear-gradient(
        135deg,
        rgba(212, 175, 55, 0.2),
        rgba(212, 175, 55, 0.1)
    ) !important;
    border: 1px solid var(--rz-border) !important;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3), 0 2px 8px var(--rz-gold-glow) !important;
    padding: 8px !important;
    border-radius: 50% !important;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    width: 40px;
    height: 40px;
    color: var(--rz-primary-accent) !important;
    font-size: 1.1rem;
}

.lang-btn-mobile:hover {
    background: linear-gradient(
        135deg,
        rgba(212, 175, 55, 0.3),
        rgba(212, 175, 55, 0.15)
    ) !important;
    border-color: var(--rz-primary-accent) !important;
    transform: scale(1.08);
    box-shadow: 0 6px 20px var(--rz-gold-glow) !important;
    color: var(--rz-gold-light) !important;
}

/* دکمه زبان دسکتاپ */
.lang-btn-desktop {
    background: linear-gradient(
        135deg,
        rgba(212, 175, 55, 0.15),
        rgba(212, 175, 55, 0.08)
    ) !important;
    border: 1px solid var(--rz-border) !important;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3), 0 2px 8px var(--rz-gold-glow) !important;
    padding: 10px 18px !important;
    border-radius: 12px !important;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    color: var(--rz-text-medium) !important;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
}

.lang-btn-desktop:hover {
    background: linear-gradient(
        135deg,
        rgba(212, 175, 55, 0.25),
        rgba(212, 175, 55, 0.12)
    ) !important;
    border-color: var(--rz-primary-accent) !important;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--rz-gold-glow) !important;
    color: var(--rz-primary-accent) !important;
}

.lang-btn-desktop i.fa-globe {
    color: var(--rz-primary-accent);
    font-size: 1.1rem;
}

.lang-btn-desktop .lang-current {
    font-weight: 600;
    letter-spacing: 0.3px;
}

.lang-btn-desktop .lang-arrow {
    font-size: 0.75rem;
    opacity: 0.7;
    transition: transform 0.3s ease;
}

.lang-btn-desktop[aria-expanded="true"] .lang-arrow {
    transform: rotate(180deg);
}

/* منوی زبان */
.lang-dropdown {
    min-width: 160px !important;
    border-radius: 14px !important;
    background: linear-gradient(
        180deg,
        rgba(18, 18, 26, 0.98) 0%,
        rgba(30, 30, 46, 0.95) 100%
    ) !important;
    backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--rz-border) !important;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6), 0 6px 20px var(--rz-gold-glow) !important;
    padding: 8px !important;
    margin-top: 8px !important;
}

/* آیتم‌های منوی زبان */
.lang-item {
    display: flex !important;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px !important;
    border-radius: 10px !important;
    color: var(--rz-text-medium) !important;
    transition: all 0.25s ease !important;
    font-weight: 500;
    margin-bottom: 4px;
}

.lang-item:last-child {
    margin-bottom: 0;
}

.lang-item:hover {
    background: linear-gradient(
        90deg,
        rgba(212, 175, 55, 0.15),
        rgba(212, 175, 55, 0.08)
    ) !important;
    color: var(--rz-primary-accent) !important;
    transform: translateX(-3px);
}

/* برای RTL - تغییر جهت انیمیشن */
[dir="rtl"] .lang-item:hover {
    transform: translateX(3px);
}

/* آیتم فعال */
.lang-item.active {
    background: linear-gradient(
        90deg,
        rgba(212, 175, 55, 0.2),
        rgba(212, 175, 55, 0.1)
    ) !important;
    color: var(--rz-primary-accent) !important;
    font-weight: 600;
    border: 1px solid rgba(212, 175, 55, 0.3);
}

/* نام زبان */
.lang-name {
    flex: 1;
    letter-spacing: 0.3px;
}

/* آیکون چک */
.lang-check {
    color: var(--rz-primary-accent);
    font-size: 0.9rem;
    margin-left: 8px;
    animation: checkPulse 2s ease-in-out infinite;
}

@keyframes checkPulse {
    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.7;
        transform: scale(1.1);
    }
}

/* استایل منوی موبایل با پس‌زمینه تیره و مدرن - فقط برای موبایل */
@media (max-width: 991px) {
    .navbar-collapse {
        padding: 1.2rem;
        border-radius: 16px;
        margin-top: 8px;
        background: linear-gradient(
            180deg,
            rgba(18, 18, 26, 0.98) 0%,
            rgba(30, 30, 46, 0.95) 100%
        );
        backdrop-filter: blur(20px) saturate(180%);
        border: 1px solid var(--rz-border);
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6),
            0 4px 16px var(--rz-gold-glow);
    }

    .navbar-collapse .nav-link {
        color: var(--rz-text-medium) !important;
        padding: 0.75rem 0.5rem;
        border-bottom: 1px solid var(--rz-border-light);
    }

    .navbar-collapse .nav-link:hover,
    .navbar-collapse .nav-link.active {
        color: var(--rz-primary-accent) !important;
        background: linear-gradient(
            90deg,
            rgba(212, 175, 55, 0.1),
            transparent
        );
        border-radius: 8px;
    }

    .navbar-collapse .nav-item:last-child .nav-link {
        border-bottom: none;
    }
}

/* استایل منو برای دسکتاپ - شفاف و بدون بک‌گراند */
@media (min-width: 992px) {
    .navbar-collapse {
        background-color: transparent;
        padding: 0;
        border-radius: 0;
        margin-top: 0;
        border: none;
        box-shadow: none;
    }
}

/* --- Footer (Dark, Modern) --- */
.main-footer {
    position: relative;
    padding: 40px 0 24px;
    color: var(--rz-text-medium);
    background: linear-gradient(
        180deg,
        rgba(18, 18, 26, 0.95) 0%,
        rgba(10, 10, 15, 0.98) 50%,
        rgba(8, 8, 12, 1) 100%
    );
    border-top: 2px solid var(--rz-border);
    box-shadow: 0 -4px 32px rgba(0, 0, 0, 0.6), 0 -2px 16px var(--rz-gold-glow);
    overflow: hidden;
}

.main-footer::before {
    content: "";
    position: absolute;
    inset: 0 auto auto 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(
        90deg,
        transparent 0%,
        var(--rz-primary-accent) 30%,
        var(--rz-gold-light) 50%,
        var(--rz-primary-accent) 70%,
        transparent 100%
    );
    top: 0;
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
    0%,
    100% {
        opacity: 0.5;
    }
    50% {
        opacity: 1;
    }
}

.footer-logo {
    max-height: 56px;
    display: inline-block;
    opacity: 0.95;
}

.footer-intro {
    color: var(--rz-text-light);
    font-size: 0.98rem;
    margin-top: 14px;
    line-height: 1.8;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1.2fr;
    gap: 36px;
    align-items: start;
}

@media (max-width: 991px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 28px;
    }
}

@media (max-width: 576px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

.footer-title {
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 18px;
    position: relative;
}

/* مخفی کردن عنوان فوتر در موبایل */
@media (max-width: 576px) {
    .footer-title2 {
        display: none !important;
    }
}

.footer-title::after {
    content: "";
    display: block;
    width: 32px;
    height: 3px;
    margin-top: 10px;
    border-radius: 2px;
    background: linear-gradient(
        90deg,
        var(--rz-gold-light),
        var(--rz-primary-accent),
        var(--rz-gold-dark)
    );
    box-shadow: 0 2px 8px var(--rz-gold-glow);
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin: 8px 0;
}

.footer-link {
    color: var(--rz-text-light);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.25s ease;
}

.footer-link i {
    color: var(--rz-primary-accent);
    opacity: 0.9;
    transition: transform 0.3s ease;
}

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

.footer-link:hover i {
    transform: scale(1.2);
}

.footer-contact {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin: 10px 0;
    color: var(--rz-text-light);
}

.footer-contact i {
    color: var(--rz-primary-accent);
    margin-top: 3px;
}

.footer-contact a {
    color: var(--rz-text-medium);
    text-decoration: none;
    border-bottom: 1px dashed rgba(212, 175, 55, 0.4);
    transition: all 0.2s ease;
}

.footer-contact a:hover {
    color: var(--rz-primary-accent);
    border-color: var(--rz-primary-accent);
}

.social-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    border-radius: 12px;
    color: #0a0a0f;
    background: linear-gradient(
        135deg,
        var(--rz-gold-light) 0%,
        var(--rz-primary-accent) 100%
    );
    border: 1px solid var(--rz-primary-accent);
    text-decoration: none;
    font-weight: 700;
    transition: all 0.3s ease;
    box-shadow: 0 4px 16px var(--rz-gold-glow),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.social-btn i {
    font-size: 1.1rem;
}

.social-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px var(--rz-gold-glow),
        0 4px 12px rgba(212, 175, 55, 0.4);
    background: linear-gradient(
        135deg,
        var(--rz-primary-accent) 0%,
        var(--rz-gold-dark) 100%
    );
}

.social-btn.outline {
    color: var(--rz-text-medium);
    background: linear-gradient(
        135deg,
        rgba(212, 175, 55, 0.1),
        rgba(212, 175, 55, 0.05)
    );
    border: 1px solid var(--rz-border);
}

.social-btn.outline:hover {
    background: linear-gradient(
        135deg,
        rgba(212, 175, 55, 0.2),
        rgba(212, 175, 55, 0.1)
    );
    border-color: var(--rz-primary-accent);
    color: var(--rz-primary-accent);
}

.cta-card {
    margin-top: 18px;
    padding: 20px;
    border-radius: 16px;
    background: linear-gradient(
        135deg,
        rgba(212, 175, 55, 0.15),
        rgba(212, 175, 55, 0.08)
    );
    border: 1px solid var(--rz-border);
    color: var(--rz-text-medium);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.cta-card small {
    color: var(--rz-text-light);
    display: block;
    margin-bottom: 8px;
    opacity: 0.9;
}

.footer-divider {
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent,
        var(--rz-border),
        rgba(212, 175, 55, 0.3),
        var(--rz-border),
        transparent
    );
    margin: 36px 0 18px;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    color: var(--rz-text-light);
    font-size: 0.92rem;
}

@media (max-width: 576px) {
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

.footer-copy {
    color: var(--rz-text-muted);
}

/* Back to top button */
#backToTop {
    position: fixed;
    right: 24px;
    bottom: 24px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(
        135deg,
        var(--rz-gold-light),
        var(--rz-primary-accent)
    );
    color: #0a0a0f;
    display: grid;
    place-items: center;
    border: 1px solid var(--rz-primary-accent);
    box-shadow: 0 8px 24px var(--rz-gold-glow), 0 4px 12px rgba(0, 0, 0, 0.4);
    cursor: pointer;
    opacity: 0;
    transform: translateY(10px) scale(0.9);
    transition: all 0.3s ease;
    z-index: 1040;
    pointer-events: none;
}

#backToTop.show {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

#backToTop:hover {
    transform: translateY(-4px) scale(1.1);
    box-shadow: 0 12px 32px var(--rz-gold-glow),
        0 6px 16px rgba(212, 175, 55, 0.5);
}

#backToTop i {
    font-size: 1.2rem;
    font-weight: 900;
}