:root {
    --dg-primary: #2c3e50;
    --dg-secondary: #e67e22;
    --dg-white: #ffffff;
    --dg-dark: #1a1a2e;

    --viewport-mobile: 480px;
    --viewport-tablet: 768px;
    --viewport-laptop: 1024px;
    --viewport-desktop: 1440px;
    --viewport-tv: 2560px;

    --spacing-unit: 1rem;
    --container-width: 1200px;

    --font-fa: 'Vazir', 'Vazirmatn', sans-serif;
    --font-en: 'Nunito', sans-serif;
    --app-bg: #ffffff;
    --app-text: #2c3e50;
}

*, *::before, *::after {
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-fa);
    background-color: var(--dg-white);
    color: var(--dg-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Featured Image */
.post-thumbnail {
    margin-bottom: 1.5rem;
}

.post-thumbnail img {
    width: 100%;
    height: auto;
    border-radius: 4px;
}

/* Mobile */
@media screen and (max-width: 480px) {
    body { font-size: 14px; }
    .site-content { padding: 10px; }
}

/* Tablet */
@media screen and (min-width: 481px) and (max-width: 1024px) {
    body { font-size: 16px; }
    a, button, input { min-height: 44px; min-width: 44px; }
}

/* Desktop */
@media screen and (min-width: 1025px) {
    .container { max-width: var(--container-width); margin: 0 auto; }
}

/* 4K */
@media screen and (min-width: 1921px) {
    :root { --spacing-unit: 2rem; }
    body { font-size: 24px; max-width: 2000px; margin: 0 auto; }
}

@media print {
    body { background: white; color: black; }
    .site-header, .site-footer { display: none; }
}

/* Elementor Compatibility */
.elementor-section { position: relative; }
.site-main { min-height: 60vh; }

/* Loader */
#shahin-app-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--app-bg);
    z-index: 999999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.6s ease-out, visibility 0.6s;
}

#shahin-app-loader.loaded {
    opacity: 0;
    visibility: hidden;
}

.loader-content {
    text-align: center;
    animation: fadeInUp 0.8s ease-out;
}

.loader-brand {
    font-size: 2rem;
    font-weight: 900;
    color: var(--app-text);
    margin-top: 20px;
    letter-spacing: -0.5px;
}

.loader-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(44, 62, 80, 0.1);
    border-left-color: #e67e22;
    border-radius: 50%;
    margin: 0 auto;
    animation: spin 1s linear infinite;
}

@keyframes spin { 100% { transform: rotate(360deg); } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

@media screen and (max-width: 480px) {
    .loader-brand { font-size: 1.8rem; }
}