/* =====================================================
   آزمایا - استایل اصلی
   فونت: Vazirmatn (فونت فارسی مدرن و خوانا)
   ===================================================== */

@import url('https://cdn.jsdelivr.net/gh/rastikerdar/vazirmatn@v33.003/Vazirmatn-font-face.css');

:root {
    --color-ink: #142433;
    --color-ink-soft: #2B4356;
    --color-bg: #F7F8F6;
    --color-surface: #FFFFFF;
    --color-accent: #2F6F62;
    --color-accent-dark: #204A41;
    --color-border: #E3E6E1;
    --color-error-bg: #FCEBEA;
    --color-error-text: #A32B2B;

    --radius: 10px;
    --shadow: 0 2px 10px rgba(20, 36, 51, 0.06);
    --max-width: 1140px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: 'Vazirmatn', Tahoma, sans-serif;
    background: var(--color-bg);
    color: var(--color-ink);
    line-height: 1.8;
    font-size: 16px;
}

a { color: inherit; text-decoration: none; }

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

/* ---------- دکمه‌ها ---------- */
.btn {
    display: inline-block;
    padding: 10px 22px;
    border-radius: var(--radius);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    border: 1px solid transparent;
    transition: background-color 0.15s ease, border-color 0.15s ease;
}
.btn-primary { background: var(--color-accent); color: #fff; }
.btn-primary:hover { background: var(--color-accent-dark); }
.btn-outline { background: transparent; border-color: var(--color-accent); color: var(--color-accent); }
.btn-outline:hover { background: rgba(47, 111, 98, 0.08); }
.btn-text { background: none; color: var(--color-ink-soft); padding: 10px 12px; }
.btn-full { width: 100%; text-align: center; }
.btn-lg { padding: 14px 30px; font-size: 16px; }

/* ---------- هدر ---------- */
.site-header {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 50;
}
.header-inner { position: relative; }
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    height: 68px;
}
.logo-text { font-size: 20px; font-weight: 700; color: var(--color-accent-dark); }
.logo-image { height: 38px; max-width: 160px; object-fit: contain; }
.main-nav { display: flex; gap: 22px; flex: 1; justify-content: center; }
.main-nav a { color: var(--color-ink-soft); font-size: 15px; padding: 6px 2px; }
.main-nav a:hover { color: var(--color-accent-dark); }
.header-actions { display: flex; align-items: center; gap: 10px; }
.mobile-menu-toggle { display: none; }

@media (max-width: 860px) {
    .main-nav { display: none; }
    .main-nav.mobile-open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 68px;
        right: 0;
        left: 0;
        background: var(--color-surface);
        border-bottom: 1px solid var(--color-border);
        padding: 10px 20px;
        gap: 4px;
        z-index: 60;
        box-shadow: var(--shadow);
    }
    .main-nav.mobile-open a { padding: 10px 4px; border-bottom: 1px solid var(--color-border); }
    .main-nav.mobile-open a:last-child { border-bottom: none; }
    .mobile-menu-toggle {
        display: flex; flex-direction: column; gap: 4px;
        background: none; border: none; cursor: pointer; padding: 6px;
    }
    .mobile-menu-toggle span { width: 22px; height: 2px; background: var(--color-ink); }
}

/* ---------- Hero ---------- */
.hero { padding: 70px 0 50px; }
.hero-inner { text-align: center; max-width: 720px; margin: 0 auto; }
.hero h1 { font-size: 34px; margin-bottom: 16px; color: var(--color-ink); }
.hero-subtitle { color: var(--color-ink-soft); font-size: 17px; margin-bottom: 28px; }
.hero-actions { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }

/* ---------- آمار ---------- */
.stats-section { padding: 30px 0 60px; }
.stats-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
}
.stat-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 24px 16px;
    text-align: center;
}
.stat-number { display: block; font-size: 26px; font-weight: 700; color: var(--color-accent-dark); }
.stat-label { color: var(--color-ink-soft); font-size: 14px; }
.stats-note { text-align: center; color: #8A968F; font-size: 13px; margin-top: 14px; }

@media (max-width: 720px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 721px) and (max-width: 980px) {
    .stats-grid { grid-template-columns: repeat(3, 1fr); }
    .hero h1 { font-size: 27px; }
}

/* ---------- فرم‌های احراز هویت ---------- */
.auth-section { padding: 50px 0 80px; }
.auth-box {
    max-width: 420px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 32px 28px;
    box-shadow: var(--shadow);
}
.auth-box h1 { font-size: 22px; margin-bottom: 22px; text-align: center; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; margin-bottom: 6px; font-size: 14px; color: var(--color-ink-soft); }
.form-group input[type="text"],
.form-group input[type="tel"],
.form-group input[type="password"] {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-family: inherit;
    font-size: 15px;
}
.form-group input:focus { outline: 2px solid var(--color-accent); outline-offset: 1px; }
.form-checkbox label { display: flex; align-items: center; gap: 8px; font-size: 14px; }
.form-checkbox input { width: auto; }
.auth-switch { text-align: center; margin-top: 18px; font-size: 14px; color: var(--color-ink-soft); }
.auth-switch a { color: var(--color-accent-dark); font-weight: 500; }

.alert { border-radius: 8px; padding: 12px 16px; margin-bottom: 18px; font-size: 14px; }
.alert-error { background: var(--color-error-bg); color: var(--color-error-text); }
.alert ul { margin: 0; padding-inline-start: 18px; }

/* ---------- داشبورد ---------- */
.dashboard-section { padding: 40px 0 70px; }
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-top: 24px;
}
.dashboard-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 20px;
}
.dashboard-card h3 { margin: 0 0 8px; font-size: 16px; }
.dashboard-card p { margin: 0; color: #8A968F; font-size: 14px; }

@media (max-width: 860px) {
    .dashboard-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 500px) {
    .dashboard-grid { grid-template-columns: 1fr; }
}

/* ---------- خطاها ---------- */
.error-section { padding: 90px 0; text-align: center; }
.error-box h1 { font-size: 60px; color: var(--color-accent-dark); margin-bottom: 10px; }
.error-box p { color: var(--color-ink-soft); margin-bottom: 22px; }

/* ---------- فوتر ---------- */
.site-footer {
    background: var(--color-ink);
    color: #C9D3CC;
    padding: 36px 0;
    margin-top: 40px;
}
.footer-inner {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 14px;
}
.footer-brand .logo-text { color: #fff; }
.footer-brand p { margin: 4px 0 0; color: #9BA9A2; font-size: 13px; }
.footer-contact { display: flex; flex-direction: column; gap: 3px; margin-top: 10px; font-size: 13px; color: #9BA9A2; }
.footer-social { display: flex; gap: 12px; margin-top: 8px; }
.footer-social a { color: #C9D3CC; font-size: 13px; }
.footer-social a:hover { color: #fff; }
.footer-links { display: flex; gap: 16px; }
.footer-links a:hover { color: #fff; }
.footer-copy { color: #7E8C86; font-size: 13px; }

/* ---------- لیست آزمون‌ها ---------- */
.exam-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    margin-top: 20px;
}
.exam-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.exam-card h3 { margin: 0; font-size: 17px; }
.exam-desc { color: var(--color-ink-soft); font-size: 14px; flex: 1; margin: 4px 0; }
.exam-meta {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    font-size: 13px;
    color: var(--color-ink-soft);
    margin-bottom: 10px;
}
@media (max-width: 860px) { .exam-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .exam-grid { grid-template-columns: 1fr; } }

/* ---------- فرم شرکت در آزمون ---------- */
.exam-option-label {
    display: block;
    padding: 8px 10px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    margin-bottom: 6px;
    cursor: pointer;
    font-size: 14px;
}
.exam-option-label:hover { background: var(--color-bg); }
.exam-option-label input { margin-left: 8px; }

/* ---------- نتیجه آزمون ---------- */
.exam-result-box {
    border-radius: var(--radius);
    padding: 28px;
    margin: 20px 0;
}
.exam-result-box.passed { background: #E7F4E8; }
.exam-result-box.failed { background: var(--color-error-bg); }
.exam-result-percent { display: block; font-size: 40px; font-weight: 700; }
.exam-result-status { font-size: 16px; }

/* ---------- فروشگاه ---------- */
.shop-head { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; margin-bottom: 16px; }
.shop-categories { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 20px; }
.shop-categories a {
    padding: 6px 16px; border-radius: 20px; border: 1px solid var(--color-border);
    font-size: 14px; color: var(--color-ink-soft);
}
.shop-categories a.active { background: var(--color-accent); color: #fff; border-color: var(--color-accent); }

.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}
.product-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 14px;
    padding: 0 0 14px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    overflow: hidden;
    transition: box-shadow 0.15s ease, transform 0.15s ease;
}
.product-card:hover {
    box-shadow: 0 8px 24px rgba(20, 36, 51, 0.10);
    transform: translateY(-2px);
}
.product-image-wrap {
    width: 100%;
    aspect-ratio: 4 / 3;
    background: #F1F3EF;
    overflow: hidden;
}
.product-image {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}
.product-image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #A9B3AC;
    font-size: 13px;
}
.product-card-body { padding: 0 14px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.product-card h3 {
    font-size: 14.5px;
    margin: 0;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 43px;
}
.product-price { font-size: 14px; margin-top: auto; }
.price-old { text-decoration: line-through; color: #A9B3AC; margin-left: 6px; font-size: 12.5px; }
.price-new { color: var(--color-accent-dark); font-weight: 700; font-size: 16px; }

@media (max-width: 980px) { .product-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 720px) { .product-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .product-grid { grid-template-columns: 1fr; } }

.product-detail { display: grid; grid-template-columns: 320px 1fr; gap: 24px; }
.product-detail-image {
    display: block;
    width: 100%;
    height: 320px;
    border-radius: var(--radius);
    object-fit: cover;
    object-position: center;
    background: #EEF0EC;
}
@media (max-width: 720px) {
    .product-detail { grid-template-columns: 1fr; }
    .product-detail-image { height: 220px; }
}

.cart-total { text-align: left; font-size: 17px; margin: 16px 0; }

/* ---------- Hero: عنصر تصویری پس‌زمینه ---------- */
.hero { position: relative; overflow: hidden; }
.hero-decor {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}
.hero-decor svg { width: 100%; height: 100%; }
.hero-inner { position: relative; z-index: 1; }

/* ---------- عنوان بخش‌ها ---------- */
.section-title { font-size: 24px; margin: 0 0 22px; text-align: center; }
.section-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}
.section-head .section-title { margin: 0; text-align: right; }
.section-link { font-size: 14px; color: var(--color-accent-dark); font-weight: 500; }
.section-link:hover { text-decoration: underline; }

/* ---------- چرا آزمایا ---------- */
.why-section { padding: 20px 0 50px; }
.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.why-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 26px 22px;
    text-align: center;
}
.why-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: rgba(47, 111, 98, 0.10);
    color: var(--color-accent-dark);
    font-size: 20px;
    margin-bottom: 14px;
}
.why-card h3 { font-size: 16px; margin: 0 0 8px; }
.why-card p { font-size: 14px; color: var(--color-ink-soft); margin: 0; }

@media (max-width: 860px) { .why-grid { grid-template-columns: 1fr; } }

/* ---------- بخش‌های معرفی محتوا (آزمون/محصول اخیر) ---------- */
.featured-section { padding: 40px 0; }
.featured-section-alt { background: var(--color-surface); }

/* ---------- نظر کاربران (صفحه اصلی) ---------- */
.testimonial-section { padding: 40px 0 60px; }
.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}
.testimonial-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 22px;
}
.testimonial-rating { font-size: 13px; margin-bottom: 8px; }
.testimonial-text { font-size: 14px; color: var(--color-ink-soft); line-height: 1.8; margin: 0 0 10px; }
.testimonial-name { font-size: 13px; font-weight: 500; color: var(--color-accent-dark); }

@media (max-width: 860px) { .testimonial-grid { grid-template-columns: 1fr; } }