/* --- CSS Variables & Reset --- */
:root {
    --primary: #8B5CF6;
    --primary-dark: #7C3AED;
    --secondary: #10B981;
    --dark: #111827;
    --gray: #6B7280;
    --light: #F3F4F6;
    --white: #ffffff;
    --max-width: 1200px;
}

/* IranYekan Font */
@font-face {
    font-family: 'IranYekanXFaNum';
    src: url('../fonts/BYekan.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}

/* Body styles */
body {
    font-family: 'IranYekanXFaNum', sans-serif;
    color: var(--dark);
    line-height: 1.8;
    overflow-x: hidden;
    direction: rtl;
    background-color: #f6f7f8;
}

/* Utility Classes */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 12px 28px;
    border-radius: 10px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
    font-size: 0.95rem;
    border: none;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--white);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(19, 127, 236, 0.35);
}

.btn-outline {
    border: 2px solid #e5e7eb;
    background: var(--white);
    color: var(--dark);
}

.btn-outline:hover {
    background-color: var(--light);
    border-color: var(--primary);
    color: var(--primary);
}

.material-symbols-outlined {
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
    vertical-align: middle;
}

/* Trust Alert */
.trust-alert {
    background-color: red;
    padding: 12px 20px;
    text-align: center;
    font-size: .9rem;
    font-weight: 600;
    color: white;
}

.trust-alert .material-symbols-outlined {
    font-size: 18px;
    margin-left: 6px;
}

/* Custom Header */
.site-header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid #e5e7eb;
}

.site-header nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.site-header .logo {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.site-header .logo-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.site-header .logo-icon img,
.site-header .logo-icon .custom-logo {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.site-header .nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.site-header .nav-links a {
    font-weight: 500;
    color: var(--gray);
    font-size: 0.95rem;
    text-decoration: none;
    transition: color 0.3s;
}

.site-header .nav-links a:hover { 
    color: var(--primary); 
}

.site-header .nav-buttons {
    display: flex;
    align-items: center;
    gap: 12px;
}

.site-header .btn-login {
    padding: 10px 20px;
    border: 1px solid #e5e7eb;
    background: var(--primary);
    border-radius: 10px;
    font-weight: 600;
    color: var(--dark);
    text-decoration: none;
}

.site-header .btn-login:hover {
    background: blue;
    color: white;
}

.site-header .mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .site-header nav {
        flex-wrap: wrap;
        padding: 10px 0;
    }

    .site-header .logo {
        order: 1;
    }

    .site-header .nav-buttons {
        order: 2;
        margin-right: auto;
    }

    .site-header .nav-links {
        display: flex !important;
        order: 3;
        width: 100%;
        justify-content: center;
        margin-top: 15px;
        padding-top: 15px;
        border-top: 1px solid #e5e7eb;
        gap: 1.5rem;
        flex-wrap: wrap;
    }

    .site-header .nav-links a {
        font-size: 0.9rem;
        padding: 5px 10px;
        white-space: nowrap;
    }

    .site-header .mobile-menu-btn {
        order: 4;
        display: none;
    }

    .site-header {
        padding: 5px 0;
    }

    .site-header nav {
        height: auto;
        min-height: 70px;
    }
}

@media (max-width: 480px) {
    .site-header .nav-links {
        gap: 0.8rem;
        justify-content: space-around;
    }

    .site-header .nav-links a {
        font-size: 0.85rem;
        padding: 5px 8px;
    }

    .site-header .nav-buttons {
        gap: 8px;
    }

    .site-header .btn-login {
        padding: 8px 16px;
        font-size: 0.85rem;
    }

    .site-header .btn-primary {
        padding: 10px 16px;
        font-size: 0.85rem;
    }
}