/* =========================================================================
   WhatsApp SaaS — Site Stylesheet (RTL/LTR aware)
   ========================================================================= */

:root {
    --primary:        #25D366;
    --primary-dark:   #128C7E;
    --primary-light:  #DCF8C6;
    --secondary:      #075E54;
    --accent:         #34B7F1;
    --dark:           #0a2540;
    --gray-100:       #f8fafc;
    --gray-200:       #e2e8f0;
    --gray-300:       #cbd5e1;
    --gray-500:       #64748b;
    --gray-700:       #334155;
    --gray-900:       #0f172a;
    --white:          #ffffff;
    --success:        #10b981;
    --warning:        #f59e0b;
    --danger:         #ef4444;
    --info:           #3b82f6;
    --shadow-sm:      0 1px 2px rgba(0,0,0,.05);
    --shadow:         0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -1px rgba(0,0,0,.06);
    --shadow-lg:      0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -2px rgba(0,0,0,.05);
    --radius:         12px;
    --radius-sm:      8px;
    --radius-lg:      18px;
    --transition:     all .25s ease;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    color: var(--gray-900);
    background: var(--white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Arabic font */
html[lang="ar"], html[lang="ar"] body {
    font-family: 'Cairo', 'Tajawal', 'Segoe UI', Tahoma, sans-serif;
}

/* English font */
html[lang="en"], html[lang="en"] body {
    font-family: 'Inter', 'Segoe UI', Roboto, system-ui, sans-serif;
}

a { color: var(--primary-dark); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary); }

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

/* ===== الحاوية ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== الترويسة ===== */
.site-header {
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    background: rgba(255,255,255,.95);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: 30px;
}

.logo {
    font-size: 22px;
    font-weight: 800;
    color: var(--secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 20px;
}

.main-nav {
    display: flex;
    gap: 28px;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
}

.main-nav a {
    color: var(--gray-700);
    font-weight: 500;
    font-size: 15px;
    padding: 8px 0;
    position: relative;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--primary-dark);
}

.main-nav a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
}

.header-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

.lang-switcher {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 7px 12px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--gray-700);
    background: var(--white);
}

.lang-switcher:hover { border-color: var(--primary); color: var(--primary-dark); }

/* ===== الأزرار ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 22px;
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(37,211,102,.3);
}
.btn-primary:hover { background: var(--primary-dark); color: var(--white); transform: translateY(-1px); }

.btn-outline {
    background: transparent;
    color: var(--gray-700);
    border-color: var(--gray-300);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary-dark); }

.btn-lg { padding: 14px 32px; font-size: 16px; }
.btn-block { width: 100%; }

/* ===== بطل الصفحة (Hero) ===== */
.hero {
    padding: 100px 0 80px;
    background: linear-gradient(135deg, #f0fdf4 0%, #ecfeff 100%);
    position: relative;
    overflow: hidden;
}

.hero-inner {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero h1 {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.2;
    margin: 0 0 18px;
    color: var(--dark);
}

.hero p.lead {
    font-size: 18px;
    color: var(--gray-700);
    margin: 0 0 30px;
    line-height: 1.7;
}

.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-visual {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 30px;
    position: relative;
}

.hero-visual::before {
    content: '';
    position: absolute;
    top: -20px;
    right: -20px;
    width: 150px;
    height: 150px;
    background: var(--primary-light);
    border-radius: 50%;
    z-index: -1;
}

html[dir="rtl"] .hero-visual::before { right: auto; left: -20px; }

/* ===== الأقسام ===== */
.section { padding: 80px 0; }
.section-alt { background: var(--gray-100); }

.section-head {
    text-align: center;
    margin-bottom: 50px;
}

.section-head h2 {
    font-size: 36px;
    font-weight: 800;
    margin: 0 0 12px;
    color: var(--dark);
}

.section-head p {
    color: var(--gray-500);
    font-size: 17px;
    margin: 0 auto;
    max-width: 600px;
}

/* ===== شبكة المميزات ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.feature-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 30px;
    transition: var(--transition);
}

.feature-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary-light), #ecfdf5);
    color: var(--primary-dark);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    margin-bottom: 18px;
}

.feature-card h3 { margin: 0 0 8px; font-size: 19px; color: var(--dark); }
.feature-card p { margin: 0; color: var(--gray-500); font-size: 15px; }

/* ===== شبكة الأسعار ===== */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    align-items: stretch;
}

.price-card {
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 35px 28px;
    text-align: center;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.price-card.featured {
    border-color: var(--primary);
    transform: scale(1.03);
    box-shadow: var(--shadow-lg);
    position: relative;
}

.price-card.featured::before {
    content: 'الأكثر شعبية';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: var(--white);
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

html[lang="en"] .price-card.featured::before { content: 'Most Popular'; }

.price-card h3 { font-size: 22px; margin: 0 0 8px; color: var(--dark); }
.price-card .price { font-size: 42px; font-weight: 800; color: var(--primary-dark); margin: 12px 0; }
.price-card .price small { font-size: 16px; color: var(--gray-500); font-weight: 500; }

.price-features { list-style: none; padding: 0; margin: 20px 0 28px; text-align: start; }
.price-features li { padding: 8px 0; color: var(--gray-700); display: flex; align-items: center; gap: 10px; }
.price-features li::before { content: '✓'; color: var(--primary); font-weight: 700; font-size: 18px; }

/* ===== التذييل ===== */
.site-footer {
    background: var(--dark);
    color: var(--gray-300);
    padding: 60px 0 30px;
    margin-top: 80px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand p { color: var(--gray-300); margin: 14px 0 0; line-height: 1.7; max-width: 360px; }

.footer-col h4 { color: var(--white); margin: 0 0 16px; font-size: 16px; }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: var(--gray-300); font-size: 14px; }
.footer-col a:hover { color: var(--primary); }

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,.08);
    padding-top: 24px;
    text-align: center;
    color: var(--gray-500);
    font-size: 14px;
}

/* ===== التنبيهات ===== */
.alert {
    padding: 12px 16px;
    border-radius: 10px;
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
    border: 1px solid transparent;
    font-size: 14px;
    line-height: 1.5;
    box-shadow: 0 2px 6px rgba(15,23,42,.04);
}
.alert .alert-icon {
    width: 26px; height: 26px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
    font-weight: 700;
    background: rgba(255,255,255,.7);
}
.alert .alert-msg { flex: 1; font-weight: 500; }
.alert .alert-close {
    background: transparent;
    border: 0;
    font-size: 20px;
    cursor: pointer;
    line-height: 1;
    color: inherit;
    opacity: .55;
    padding: 0 4px;
    transition: opacity .15s ease;
}
.alert .alert-close:hover { opacity: 1; }

.alert-success { background: #ecfdf5; border-color: #a7f3d0; color: #065f46; }
.alert-danger  { background: #fef2f2; border-color: #fecaca; color: #991b1b; }
.alert-warning { background: #fffbeb; border-color: #fde68a; color: #92400e; }
.alert-info    { background: #eff6ff; border-color: #bfdbfe; color: #1e40af; }

/* ===== الاستجابة ===== */
@media (max-width: 900px) {
    .hero-inner { grid-template-columns: 1fr; gap: 40px; text-align: center; }
    .hero h1 { font-size: 34px; }
    .hero-cta { justify-content: center; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .main-nav { display: none; }
}

@media (max-width: 600px) {
    .hero { padding: 60px 0; }
    .hero h1 { font-size: 28px; }
    .section { padding: 50px 0; }
    .section-head h2 { font-size: 26px; }
    .footer-grid { grid-template-columns: 1fr; }
    .header-actions .btn-outline { display: none; }
}

/* ===== ضبط RTL ===== */
html[dir="rtl"] .feature-icon,
html[dir="rtl"] .price-features li::before { direction: rtl; }