/* ===== إعادة ضبط أساسية ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    background: var(--bg-base);
    color: var(--text-body);
    font-family: var(--font-body-ar);
    line-height: 1.7;
    transition: background var(--transition), color var(--transition);
}

html[lang="en"] body { font-family: var(--font-body-en); }

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    color: var(--text-heading);
    line-height: 1.3;
}

a { color: var(--color-cyan); text-decoration: none; }

.container {
    max-width: 1200px;
    margin-inline: auto;
    padding-inline: 24px;
}

/* ===== الهيدر ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--bg-surface);
    border-block-end: 1px solid var(--color-border);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-block: 16px;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-heading);
}

.main-nav {
    display: flex;
    gap: 28px;
    list-style: none;
}

.main-nav a {
    color: var(--text-heading);
    font-weight: 500;
    transition: color var(--transition);
}

.main-nav a:hover { color: var(--color-cyan); }

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* ===== مبدّل اللغة ===== */
.lang-switch a {
    padding: 4px 10px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--text-heading);
    font-size: 0.85rem;
}

/* ===== زر الوضع الليلي ===== */
.theme-toggle {
    background: none;
    border: 1px solid var(--color-border);
    border-radius: 50%;
    width: 36px;
    height: 36px;
    cursor: pointer;
    color: var(--text-heading);
    font-size: 1rem;
}

/* ===== الأزرار ===== */
.btn-primary {
    display: inline-block;
    background: var(--color-cyan);
    color: var(--color-navy);
    font-weight: 700;
    padding: 14px 32px;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: transform var(--transition), box-shadow var(--transition);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 201, 214, 0.35);
}

.btn-secondary {
    display: inline-block;
    background: transparent;
    color: inherit;
    border: 1.5px solid var(--color-navy);
    padding: 13px 30px;
    border-radius: var(--radius-md);
}

[data-theme="dark"] .btn-secondary { border-color: var(--color-cyan); }

/* ===== الفوتر ===== */
.site-footer {
    background: var(--color-navy);
    color: #C9D4E8;
    padding-block: 48px;
    margin-block-start: 80px;
}

.site-footer a { color: #C9D4E8; }
.site-footer .container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 24px;
}

.footer-bottom {
    text-align: center;
    margin-block-start: 32px;
    padding-block-start: 24px;
    border-block-start: 1px solid rgba(255,255,255,0.1);
    font-size: 0.85rem;
}

/* ===== استجابة للموبايل ===== */
@media (max-width: 768px) {
    .main-nav { display: none; } /* سنضيف قائمة موبايل في خطوة لاحقة */
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    background: var(--bg-hero);
    overflow: hidden;
    padding-block: 120px 100px;
    color: #fff;
}
#node-network {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}
.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 720px;
    margin-inline: auto;
}
.hero-content h1 {
    color: #fff;
    font-size: clamp(2rem, 4vw, 3.2rem);
    margin-block-end: 20px;
}
.hero-content p {
    color: #C9D4E8;
    font-size: 1.15rem;
    margin-block-end: 36px;
}

/* ===== الخدمات ===== */
.services-section {
    background: linear-gradient(135deg, rgba(0,201,214,0.07), rgba(10,31,68,0.04));
    padding-block: 100px;
}
.section-heading {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 50px;
}
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 28px;
}
.service-card {
    background: var(--card-glass-bg);
    border: 1px solid var(--card-glass-border);
    backdrop-filter: blur(14px);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.service-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(0, 201, 214, 0.22);
    border-color: var(--color-cyan);
}
.service-card .icon { font-size: 2rem; color: var(--color-cyan); margin-block-end: 16px; }
.service-card a.card-link { display: inline-block; margin-block-start: 14px; font-weight: 600; }

/* ===== لماذا تختارنا ===== */
.why-us-section { padding-block: 100px; }
.why-us-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 32px;
}
.why-us-item { text-align: center; }
.why-us-item .icon {
    width: 56px; height: 56px;
    border-radius: 50%;
    background: rgba(0,201,214,0.12);
    color: var(--color-cyan);
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 16px;
    font-size: 1.4rem;
}

/* ===== الإحصائيات ===== */
.stats-section { background: var(--color-navy); color: #fff; padding-block: 70px; }
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    text-align: center;
    gap: 24px;
}
.stat-number, .stat-suffix {
    font-size: 2.6rem;
    font-weight: 700;
    color: var(--color-cyan);
    font-family: var(--font-heading);
}
.stat-label { margin-block-start: 6px; color: #C9D4E8; }

/* ===== Scroll Reveal ===== */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal-visible { opacity: 1; transform: translateY(0); }

/* ===== المقالات ===== */
.insights-section { padding-block: 80px; }
.insights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 28px;
}
.insight-card {
    background: var(--bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform var(--transition), box-shadow var(--transition);
}
.insight-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 32px rgba(0,201,214,0.15);
}
.insight-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}
.insight-card-body { padding: 24px; }
.insight-card-body .date {
    font-size: 0.82rem;
    color: var(--color-cyan);
    margin-block-end: 8px;
}
.insight-card-body h3 { margin-block-end: 10px; font-size: 1.1rem; }
.insight-card-body p { font-size: 0.93rem; margin-block-end: 16px; }
.insight-card-body a.read-more { font-weight: 600; color: var(--color-cyan); }

/* ===== تفاصيل المقال ===== */
.article-header { padding-block: 80px; background: var(--color-navy); color: #fff; }
.article-header h1 { color: #fff; max-width: 760px; }
.article-meta { color: #C9D4E8; font-size: 0.9rem; margin-block-start: 12px; }
.article-body {
    max-width: 760px;
    margin: 60px auto;
    padding-inline: 24px;
}

/* ===== الوظائف ===== */
.careers-section { padding-block: 80px; }
.jobs-list { display: flex; flex-direction: column; gap: 20px; }
.job-card {
    background: var(--bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 28px 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    transition: border-color var(--transition), box-shadow var(--transition);
}
.job-card:hover {
    border-color: var(--color-cyan);
    box-shadow: 0 8px 24px rgba(0,201,214,0.12);
}
.job-info h3 { margin-block-end: 8px; }
.job-tags { display: flex; gap: 10px; flex-wrap: wrap; margin-block-start: 8px; }
.job-tag {
    background: rgba(0,201,214,0.1);
    color: var(--color-cyan);
    padding: 4px 12px;
    border-radius: 100px;
    font-size: 0.82rem;
    font-weight: 600;
}
@media (max-width: 600px) {
    .job-card { flex-direction: column; align-items: flex-start; }
}

/* ===== تفاصيل الوظيفة ===== */
.job-detail-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    padding-block: 60px;
    align-items: start;
}
@media (max-width: 768px) { .job-detail-layout { grid-template-columns: 1fr; } }

.job-sidebar {
    background: var(--card-glass-bg);
    border: 1px solid var(--card-glass-border);
    border-radius: var(--radius-lg);
    padding: 28px;
    position: sticky;
    top: 90px;
}
.job-sidebar .info-row {
    display: flex;
    justify-content: space-between;
    padding-block: 10px;
    border-block-end: 1px solid var(--color-border);
    font-size: 0.9rem;
}
.job-sidebar .info-row span:first-child { color: var(--text-body); }
.job-sidebar .info-row span:last-child { font-weight: 600; color: var(--text-heading); }

/* ===== نموذج التواصل ===== */
.contact-section { padding-block: 80px; }
.contact-layout {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 48px;
    align-items: start;
}
@media (max-width: 768px) { .contact-layout { grid-template-columns: 1fr; } }

.contact-info h3 { margin-block-end: 20px; }
.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-block-end: 20px;
}
.contact-info-item .icon {
    width: 44px; height: 44px;
    border-radius: 50%;
    background: rgba(0,201,214,0.1);
    color: var(--color-cyan);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
    font-size: 1.1rem;
}

/* ===== نموذج Django (شكل موحد) ===== */
.styled-form .form-row { margin-block-end: 20px; }
.styled-form label {
    display: block;
    font-weight: 600;
    margin-block-end: 6px;
    font-size: 0.9rem;
}
.styled-form input,
.styled-form textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--bg-surface);
    color: var(--text-heading);
    font-family: inherit;
    font-size: 0.95rem;
    transition: border-color var(--transition);
}
.styled-form input:focus,
.styled-form textarea:focus {
    outline: none;
    border-color: var(--color-cyan);
    box-shadow: 0 0 0 3px rgba(0,201,214,0.12);
}
.styled-form textarea { resize: vertical; min-height: 130px; }

/* ===== رسائل الـ Django ===== */
.messages-box { margin-block-end: 20px; }
.message-success {
    background: rgba(0,201,214,0.1);
    border: 1px solid var(--color-cyan);
    color: var(--color-cyan);
    padding: 14px 18px;
    border-radius: var(--radius-md);
    font-weight: 600;
}
.message-error {
    background: rgba(220,38,38,0.08);
    border: 1px solid #DC2626;
    color: #DC2626;
    padding: 14px 18px;
    border-radius: var(--radius-md);
}