/* ============================================
   SUSPENDED FRONTEND - Modern Bilingual (AR/EN)
   ============================================ */

:root {
    --sf-primary: #25D366;
    --sf-primary-hover: #1da851;
    --sf-primary-light: rgba(37, 211, 102, 0.08);
    --sf-dark: #0f1117;
    --sf-text: #1e2330;
    --sf-text-secondary: #6b7280;
    --sf-text-muted: #9ca3af;
    --sf-bg: #ffffff;
    --sf-bg-alt: #f8fafb;
    --sf-border: #e5e8ed;
    --sf-radius: 12px;
    --sf-radius-sm: 8px;
    --sf-radius-lg: 20px;
    --sf-shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --sf-shadow-lg: 0 20px 60px rgba(0,0,0,0.08);
    --sf-font-en: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --sf-font-ar: 'Cairo', 'Inter', -apple-system, sans-serif;
    --sf-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }

body.sf-body {
    margin: 0;
    padding: 0;
    background: var(--sf-bg);
    color: var(--sf-text);
    font-family: var(--sf-font-en);
    font-size: 15px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

[dir="rtl"] body.sf-body {
    font-family: var(--sf-font-ar);
}

a { color: var(--sf-primary); text-decoration: none; transition: color 0.15s; }
a:hover { color: var(--sf-primary-hover); }

img { max-width: 100%; }

/* ---------- Navigation ---------- */
.sf-nav {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--sf-border);
}

.sf-nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.sf-nav-logo img {
    height: 36px;
}

.sf-nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.sf-nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
}

.sf-nav-link {
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--sf-text-secondary);
    border-radius: var(--sf-radius-sm);
    transition: all 0.15s;
}

.sf-nav-link:hover {
    color: var(--sf-text);
    background: var(--sf-bg-alt);
}

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

.sf-nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
}

.sf-nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--sf-text);
    border-radius: 2px;
    transition: all 0.2s;
}

/* ---------- Buttons ---------- */
.sf-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 22px;
    border-radius: var(--sf-radius-sm);
    font-size: 14px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    white-space: nowrap;
    font-family: inherit;
}

.sf-btn-primary {
    background: var(--sf-primary);
    color: #fff;
    box-shadow: 0 2px 8px rgba(37, 211, 102, 0.25);
}

.sf-btn-primary:hover {
    background: var(--sf-primary-hover);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.3);
}

.sf-btn-outline {
    background: transparent;
    border: 1.5px solid var(--sf-border);
    color: var(--sf-text);
}

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

.sf-btn-lg {
    padding: 14px 32px;
    font-size: 16px;
    border-radius: var(--sf-radius);
}

.sf-btn-lang {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: var(--sf-radius-sm);
    border: 1px solid var(--sf-border);
    background: var(--sf-bg);
    color: var(--sf-text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.15s;
}

.sf-btn-lang:hover {
    border-color: var(--sf-primary);
}

/* ---------- Hero Section ---------- */
.sf-hero {
    padding: 80px 0 100px;
    text-align: center;
    background: linear-gradient(180deg, var(--sf-bg) 0%, var(--sf-bg-alt) 100%);
    position: relative;
    overflow: hidden;
}

.sf-hero::before {
    content: '';
    position: absolute;
    top: -200px;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(37, 211, 102, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.sf-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: var(--sf-primary-light);
    color: var(--sf-primary);
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 24px;
}

.sf-hero h1 {
    font-size: clamp(32px, 5vw, 56px);
    font-weight: 800;
    line-height: 1.15;
    color: var(--sf-text);
    margin: 0 auto 20px;
    max-width: 700px;
}

.sf-hero p {
    font-size: 18px;
    color: var(--sf-text-secondary);
    max-width: 560px;
    margin: 0 auto 36px;
    line-height: 1.7;
}

.sf-hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* ---------- Features ---------- */
.sf-features {
    padding: 80px 0;
}

.sf-section-title {
    text-align: center;
    margin-bottom: 48px;
}

.sf-section-title h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--sf-text);
    margin-bottom: 12px;
}

.sf-section-title p {
    font-size: 16px;
    color: var(--sf-text-secondary);
    max-width: 520px;
    margin: 0 auto;
}

.sf-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.sf-feature-card {
    padding: 32px;
    background: var(--sf-bg);
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius-lg);
    transition: all var(--sf-transition);
}

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

.sf-feature-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--sf-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin-bottom: 20px;
}

.sf-feature-icon.green { background: rgba(37, 211, 102, 0.1); color: #25D366; }
.sf-feature-icon.blue { background: rgba(59, 130, 246, 0.1); color: #3b82f6; }
.sf-feature-icon.purple { background: rgba(139, 92, 246, 0.1); color: #8b5cf6; }
.sf-feature-icon.orange { background: rgba(249, 115, 22, 0.1); color: #f97316; }

.sf-feature-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--sf-text);
}

.sf-feature-card p {
    font-size: 14px;
    color: var(--sf-text-secondary);
    margin: 0;
    line-height: 1.7;
}

/* ---------- Pricing ---------- */
.sf-pricing {
    padding: 80px 0;
    background: var(--sf-bg-alt);
}

.sf-pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    max-width: 960px;
    margin: 0 auto;
}

.sf-pricing-card {
    background: var(--sf-bg);
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius-lg);
    padding: 36px 32px;
    text-align: center;
    transition: all var(--sf-transition);
    position: relative;
}

.sf-pricing-card.popular {
    border-color: var(--sf-primary);
    box-shadow: 0 8px 40px rgba(37, 211, 102, 0.12);
}

.sf-pricing-card.popular::after {
    content: attr(data-label);
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--sf-primary);
    color: #fff;
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.sf-pricing-name {
    font-size: 18px;
    font-weight: 600;
    color: var(--sf-text);
    margin-bottom: 8px;
}

.sf-pricing-price {
    font-size: 40px;
    font-weight: 800;
    color: var(--sf-text);
    margin-bottom: 4px;
}

.sf-pricing-price span {
    font-size: 16px;
    font-weight: 400;
    color: var(--sf-text-muted);
}

.sf-pricing-features {
    list-style: none;
    padding: 0;
    margin: 24px 0;
    text-align: start;
}

.sf-pricing-features li {
    padding: 8px 0;
    font-size: 14px;
    color: var(--sf-text-secondary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.sf-pricing-features li i {
    color: var(--sf-primary);
    font-size: 12px;
}

/* ---------- FAQs ---------- */
.sf-faqs {
    padding: 80px 0;
}

.sf-faq-item {
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius);
    margin-bottom: 12px;
    overflow: hidden;
}

.sf-faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 24px;
    font-size: 15px;
    font-weight: 600;
    color: var(--sf-text);
    cursor: pointer;
    background: none;
    border: none;
    width: 100%;
    text-align: start;
    font-family: inherit;
}

.sf-faq-question i {
    transition: transform 0.2s;
    color: var(--sf-text-muted);
}

.sf-faq-item.open .sf-faq-question i {
    transform: rotate(180deg);
}

.sf-faq-answer {
    display: none;
    padding: 0 24px 18px;
    font-size: 14px;
    color: var(--sf-text-secondary);
    line-height: 1.8;
}

.sf-faq-item.open .sf-faq-answer {
    display: block;
}

/* ---------- Auth Pages ---------- */
.sf-auth {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    background: var(--sf-bg-alt);
}

.sf-auth-card {
    width: 100%;
    max-width: 440px;
    background: var(--sf-bg);
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius-lg);
    padding: 40px;
    box-shadow: var(--sf-shadow-lg);
}

.sf-auth-logo {
    text-align: center;
    margin-bottom: 32px;
}

.sf-auth-logo img {
    height: 38px;
}

.sf-auth-title {
    font-size: 22px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 8px;
    color: var(--sf-text);
}

.sf-auth-subtitle {
    font-size: 14px;
    text-align: center;
    color: var(--sf-text-muted);
    margin-bottom: 32px;
}

.sf-auth-form .form-group {
    margin-bottom: 18px;
}

.sf-auth-form label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--sf-text);
}

.sf-auth-form .form-control {
    padding: 10px 14px;
    border-radius: var(--sf-radius-sm);
    border: 1px solid var(--sf-border);
    font-size: 14px;
    font-family: inherit;
    background: var(--sf-bg-alt);
}

.sf-auth-form .form-control:focus {
    border-color: var(--sf-primary);
    box-shadow: 0 0 0 3px rgba(37, 211, 102, 0.1);
}

.sf-auth-footer {
    text-align: center;
    margin-top: 24px;
    font-size: 14px;
    color: var(--sf-text-muted);
}

.sf-auth-footer a {
    color: var(--sf-primary);
    font-weight: 500;
}

/* ---------- Footer ---------- */
.sf-footer {
    background: var(--sf-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 64px 0 0;
}

.sf-footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
}

.sf-footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    margin: 16px 0 20px;
    opacity: 0.8;
}

.sf-footer-logo {
    height: 36px;
}

.sf-social-links {
    display: flex;
    gap: 12px;
}

.sf-social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: 15px;
    transition: all 0.2s;
}

.sf-social-links a:hover {
    background: var(--sf-primary);
    color: #fff;
}

.sf-footer-links h4 {
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 20px;
}

.sf-footer-links ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sf-footer-links li {
    margin-bottom: 10px;
}

.sf-footer-links a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    transition: color 0.15s;
}

.sf-footer-links a:hover {
    color: var(--sf-primary);
}

.sf-footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 20px 0;
    text-align: center;
}

.sf-footer-bottom p {
    font-size: 13px;
    margin: 0;
    opacity: 0.6;
}

/* ---------- Responsive ---------- */
@media (max-width: 991.98px) {
    .sf-nav-toggle {
        display: flex;
    }

    .sf-nav-menu {
        position: fixed;
        top: 0;
        inset-inline-end: 0;
        width: 300px;
        height: 100vh;
        background: var(--sf-bg);
        flex-direction: column;
        align-items: flex-start;
        padding: 80px 24px 24px;
        gap: 24px;
        box-shadow: var(--sf-shadow-lg);
        transform: translateX(100%);
        transition: transform var(--sf-transition);
        z-index: 1001;
    }

    [dir="rtl"] .sf-nav-menu {
        transform: translateX(-100%);
    }

    .sf-nav-menu.open {
        transform: translateX(0) !important;
    }

    .sf-nav-links {
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
    }

    .sf-nav-link {
        width: 100%;
        padding: 12px 16px;
    }

    .sf-nav-actions {
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
    }

    .sf-nav-actions .sf-btn {
        width: 100%;
        justify-content: center;
    }

    .sf-footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .sf-hero h1 {
        font-size: 32px;
    }

    .sf-hero p {
        font-size: 16px;
    }
}

@media (max-width: 575.98px) {
    .sf-features-grid {
        grid-template-columns: 1fr;
    }

    .sf-pricing-grid {
        grid-template-columns: 1fr;
    }

    .sf-auth-card {
        padding: 28px 20px;
    }
}

/* ---------- RTL Fixes ---------- */
[dir="rtl"] .sf-body .dropdown-menu {
    text-align: right;
}

[dir="rtl"] .sf-body .form-check {
    padding-left: 0;
    padding-right: 1.5em;
}

[dir="rtl"] .sf-body .form-check-input {
    float: right;
    margin-left: 0;
    margin-right: -1.5em;
}

[dir="rtl"] .sf-faq-question {
    text-align: right;
}

/* ---------- Animations ---------- */
@keyframes sf-fade-up {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.sf-animate {
    animation: sf-fade-up 0.5s ease forwards;
}

.sf-delay-1 { animation-delay: 0.1s; opacity: 0; }
.sf-delay-2 { animation-delay: 0.2s; opacity: 0; }
.sf-delay-3 { animation-delay: 0.3s; opacity: 0; }