/**
 * Libya Business - Main Stylesheet
 * Modern, professional design with luxury aesthetic
 */

/* ============================================
   CSS CUSTOM PROPERTIES (VARIABLES)
   ============================================ */
:root {
    /* Colors */
    --primary-dark: #0a1f1a;
    --primary-green: #1a472a;
    --accent-gold: #d4af37;
    --accent-gold-dark: #b8941f;
    --accent-red: #8b0000;

    --text-light: #ffffff;
    --text-dark: #1a1a1a;
    --text-gray: #666666;
    --text-muted: #999999;

    --bg-light: #fafafa;
    --bg-white: #ffffff;
    --bg-dark: #0a1f1a;
    --border-color: #e0e0e0;
    --border-light: #f0f0f0;

    /* Typography */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --font-size-xs: 0.75rem;    /* 12px */
    --font-size-sm: 0.875rem;   /* 14px */
    --font-size-base: 1rem;     /* 16px */
    --font-size-lg: 1.125rem;   /* 18px */
    --font-size-xl: 1.25rem;    /* 20px */
    --font-size-2xl: 1.5rem;    /* 24px */
    --font-size-3xl: 1.875rem;  /* 30px */
    --font-size-4xl: 2.25rem;   /* 36px */
    --font-size-5xl: 3rem;      /* 48px */

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Layout */
    --max-width: 1200px;
    --max-width-lg: 1400px;
    --max-width-sm: 800px;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.15);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Border Radius */
    --radius-sm: 2px;
    --radius-md: 4px;
    --radius-lg: 8px;
    --radius-xl: 12px;
    --radius-full: 9999px;

    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: var(--text-dark);
    background: var(--bg-white);
    overflow-x: hidden;
}

/* RTL Support */
body[dir="rtl"] {
    direction: rtl;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--primary-dark);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

p {
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--primary-green);
    text-decoration: none;
    transition: color var(--transition-base);
}

a:hover {
    color: var(--accent-gold);
}

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

ul, ol {
    list-style-position: inside;
}

/* ============================================
   LAYOUT UTILITIES
   ============================================ */
.container {
    max-width: var(--max-width);
    margin-inline: auto;
    padding-inline: var(--spacing-lg);
}

.container-lg {
    max-width: var(--max-width-lg);
    margin-inline: auto;
    padding-inline: var(--spacing-lg);
}

.container-sm {
    max-width: var(--max-width-sm);
    margin-inline: auto;
    padding-inline: var(--spacing-lg);
}

.section {
    padding-block: var(--spacing-3xl);
}

.section-sm {
    padding-block: var(--spacing-2xl);
}

.section-lg {
    padding-block: 8rem;
}

/* Flex utilities */
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }
.gap-xs { gap: var(--spacing-xs); }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }
.gap-xl { gap: var(--spacing-xl); }

/* Grid utilities */
.grid { display: grid; }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

/* Text alignment */
.text-center { text-align: center; }
.text-start { text-align: start; }
.text-end { text-align: end; }

/* Visibility */
.hidden { display: none !important; }
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-base);
    letter-spacing: 0.5px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-green) 100%);
    color: var(--text-light);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--text-light);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-dark);
    border: 2px solid var(--primary-dark);
}

.btn-secondary:hover {
    background: var(--primary-dark);
    color: var(--text-light);
}

.btn-gold {
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-dark) 100%);
    color: var(--primary-dark);
    box-shadow: 0 8px 25px rgba(212, 175, 55, 0.3);
}

.btn-gold:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 35px rgba(212, 175, 55, 0.4);
    color: var(--primary-dark);
}

.btn-sm {
    padding: 0.5rem 1.25rem;
    font-size: var(--font-size-sm);
}

.btn-lg {
    padding: 1.125rem 2.5rem;
    font-size: var(--font-size-lg);
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-block: 1.25rem;
}

.nav-logo {
    font-family: var(--font-heading);
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--primary-dark);
    letter-spacing: 1px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    list-style: none;
}

.nav-link {
    color: var(--text-dark);
    font-weight: 500;
    font-size: var(--font-size-sm);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    transition: color var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-gold);
}

/* Dropdown menu */
.nav-dropdown {
    position: relative;
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    min-width: 200px;
    box-shadow: var(--shadow-md);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) 0;
    margin-top: 0;
    list-style: none;
    z-index: var(--z-dropdown);
}

.nav-dropdown:hover .dropdown-menu {
    display: block;
}

.dropdown-menu li {
    padding: 0;
}

.dropdown-menu a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-lg);
    color: var(--text-dark);
    font-size: var(--font-size-sm);
    text-decoration: none;
    transition: background-color var(--transition-base);
}

.dropdown-menu a:hover {
    background-color: var(--bg-light);
    color: var(--accent-gold);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

/* Mobile menu toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.menu-toggle span {
    width: 25px;
    height: 2px;
    background: var(--primary-dark);
    transition: all var(--transition-base);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Language Switcher */
.lang-switcher {
    position: fixed;
    top: 90px;
    right: 40px;
    z-index: var(--z-dropdown);
    background: rgba(255, 255, 255, 0.98);
    padding: 8px;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(10px);
    display: flex;
    gap: 5px;
}

body[dir="rtl"] .lang-switcher {
    right: auto;
    left: 40px;
}

.lang-btn {
    background: transparent;
    border: none;
    color: var(--text-gray);
    padding: 8px 16px;
    border-radius: var(--radius-full);
    cursor: pointer;
    font-weight: 500;
    transition: all var(--transition-base);
    font-size: var(--font-size-xs);
    letter-spacing: 0.5px;
}

.lang-btn:hover {
    background: var(--bg-light);
    color: var(--primary-green);
}

.lang-btn.active {
    background: var(--primary-dark);
    color: var(--text-light);
}

/* ============================================
   HERO SECTIONS
   ============================================ */
.hero {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-green) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-block: 140px 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        linear-gradient(45deg, transparent 48%, rgba(212, 175, 55, 0.03) 49%, rgba(212, 175, 55, 0.03) 51%, transparent 52%),
        linear-gradient(-45deg, transparent 48%, rgba(212, 175, 55, 0.03) 49%, rgba(212, 175, 55, 0.03) 51%, transparent 52%);
    background-size: 60px 60px;
}

.hero::after {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.1) 0%, transparent 70%);
    top: -200px;
    right: -200px;
    border-radius: 50%;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--text-light);
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    color: var(--text-light);
    margin-bottom: var(--spacing-lg);
    letter-spacing: 1px;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
    font-weight: 300;
    line-height: 1.8;
    max-width: 700px;
    margin-inline: auto;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--spacing-xl);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-xl);
    justify-content: center;
    margin-top: var(--spacing-2xl);
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--accent-gold);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.8);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Decorative line */
.decorative-line {
    width: 80px;
    height: 2px;
    background: var(--accent-gold);
    margin: 0 auto var(--spacing-lg);
}

/* ============================================
   CARDS
   ============================================ */
.card {
    background: var(--bg-white);
    border-radius: var(--radius-sm);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border-top: 3px solid transparent;
    position: relative;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-gold) 0%, var(--primary-green) 100%);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.card:hover::before {
    transform: scaleX(1);
}

.card-number {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 3.5rem;
    color: rgba(212, 175, 55, 0.15);
    font-weight: 700;
    line-height: 1;
    margin-bottom: var(--spacing-md);
}

.card-title {
    font-size: var(--font-size-2xl);
    color: var(--primary-dark);
    margin-bottom: var(--spacing-md);
}

.card-description {
    color: var(--text-gray);
    margin-bottom: var(--spacing-lg);
}

/* ============================================
   PRICING TABLES
   ============================================ */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.pricing-card {
    background: var(--bg-white);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    border: 2px solid var(--border-light);
    transition: all var(--transition-base);
    position: relative;
}

.pricing-card:hover {
    border-color: var(--accent-gold);
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.pricing-card.featured {
    border-color: var(--accent-gold);
    box-shadow: 0 12px 48px rgba(212, 175, 55, 0.2);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-gold);
    color: var(--primary-dark);
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.pricing-name {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.pricing-price {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--accent-gold);
    margin-bottom: var(--spacing-xs);
}

.pricing-price-original {
    font-size: var(--font-size-lg);
    color: var(--text-muted);
    text-decoration: line-through;
    margin-left: var(--spacing-sm);
}

.pricing-desc {
    color: var(--text-gray);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
}

.pricing-features {
    list-style: none;
    margin-bottom: var(--spacing-xl);
}

.pricing-features li {
    padding: 0.75rem 0;
    padding-left: 30px;
    position: relative;
    color: var(--text-dark);
}

.pricing-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-gold);
    font-weight: bold;
}

body[dir="rtl"] .pricing-features li {
    padding-left: 0;
    padding-right: 30px;
}

body[dir="rtl"] .pricing-features li::before {
    left: auto;
    right: 0;
}

/* ============================================
   FORMS
   ============================================ */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--text-dark);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.875rem 1.25rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    outline: none;
    transition: all var(--transition-base);
    background: var(--bg-light);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--accent-gold);
    background: var(--bg-white);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

.form-error {
    color: var(--accent-red);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--primary-dark);
    color: rgba(255, 255, 255, 0.7);
    padding-block: var(--spacing-3xl) var(--spacing-xl);
    border-top: 1px solid rgba(212, 175, 55, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand {
    font-family: var(--font-heading);
    font-size: var(--font-size-2xl);
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
    letter-spacing: 1px;
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: var(--spacing-lg);
}

.footer-title {
    font-family: var(--font-heading);
    color: var(--text-light);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-base);
}

.footer-links a:hover {
    color: var(--accent-gold);
}

.footer-divider {
    width: 60px;
    height: 1px;
    background: var(--accent-gold);
    margin: var(--spacing-xl) auto;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.copyright {
    color: rgba(255, 255, 255, 0.5);
    font-size: var(--font-size-sm);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    :root {
        --font-size-5xl: 2.5rem;
        --font-size-4xl: 2rem;
    }

    .nav-menu {
        gap: var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-2xl: 3rem;
        --spacing-3xl: 4rem;
    }

    .menu-toggle {
        display: flex;
    }

    .nav-actions {
        display: none;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        max-width: 400px;
        height: calc(100vh - 70px);
        background: var(--bg-white);
        flex-direction: column;
        align-items: flex-start;
        padding: var(--spacing-xl);
        box-shadow: var(--shadow-xl);
        transition: left var(--transition-base);
        overflow-y: auto;
    }

    .nav-menu.active {
        left: 0;
    }

    body[dir="rtl"] .nav-menu {
        left: auto;
        right: -100%;
    }

    body[dir="rtl"] .nav-menu.active {
        right: 0;
    }

    /* Mobile dropdown */
    .dropdown-menu {
        position: static;
        display: none;
        box-shadow: none;
        background: var(--bg-light);
        margin: var(--spacing-sm) 0;
        padding: var(--spacing-sm);
        border-radius: var(--radius-sm);
    }

    .nav-dropdown.active .dropdown-menu {
        display: block;
    }

    .dropdown-menu a {
        padding: var(--spacing-sm);
        font-size: var(--font-size-base);
    }

    .lang-switcher {
        top: 80px;
        right: 20px;
        padding: 6px;
        gap: 3px;
    }

    body[dir="rtl"] .lang-switcher {
        right: auto;
        left: 20px;
    }

    .lang-btn {
        padding: 6px 12px;
        font-size: 11px;
    }

    .grid-cols-2,
    .grid-cols-3,
    .grid-cols-4 {
        grid-template-columns: 1fr;
    }

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

    .hero-stats {
        gap: var(--spacing-lg);
    }

    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }
}

@media (max-width: 480px) {
    .container,
    .container-lg,
    .container-sm {
        padding-inline: var(--spacing-md);
    }

    .card,
    .pricing-card {
        padding: var(--spacing-lg);
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.bg-light { background: var(--bg-light); }
.bg-white { background: var(--bg-white); }
.bg-dark { background: var(--bg-dark); }

.text-primary { color: var(--primary-dark); }
.text-accent { color: var(--accent-gold); }
.text-muted { color: var(--text-gray); }

.mt-xs { margin-top: var(--spacing-xs); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-xs { margin-bottom: var(--spacing-xs); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.fade-in {
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}