/* ============================================================
   MODERN UI ENHANCEMENTS - EGY360 2026
   Premium Design System for Egyptian Tourism Platform
   ============================================================ */

/* ==================== DESIGN TOKENS ==================== */
:root {
    /* Primary Palette - Egyptian Inspired */
    --egy-crimson: #c41e3a;
    --egy-crimson-dark: #9a1830;
    --egy-crimson-light: #e63e5c;
    --egy-gold: #d4af37;
    --egy-gold-light: #f4d03f;
    --egy-gold-dark: #b8860b;

    /* Neutral Palette */
    --egy-black: #0a0a0a;
    --egy-charcoal: #1a1a2e;
    --egy-slate: #2d3748;
    --egy-gray-600: #4a5568;
    --egy-gray-500: #718096;
    --egy-gray-400: #a0aec0;
    --egy-gray-300: #cbd5e0;
    --egy-gray-200: #e2e8f0;
    --egy-gray-100: #f7fafc;
    --egy-white: #ffffff;

    /* Accent Colors */
    --egy-azure: #0ea5e9;
    --egy-emerald: #10b981;
    --egy-amber: #f59e0b;
    --egy-rose: #f43f5e;
    --egy-violet: #8b5cf6;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--egy-crimson) 0%, var(--egy-crimson-dark) 100%);
    --gradient-gold: linear-gradient(135deg, var(--egy-gold) 0%, var(--egy-gold-dark) 100%);
    --gradient-dark: linear-gradient(135deg, var(--egy-charcoal) 0%, var(--egy-black) 100%);
    --gradient-sunset: linear-gradient(135deg, #ff416c 0%, #ff4b2b 100%);
    --gradient-ocean: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-forest: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    --gradient-glass: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
    --shadow-glow: 0 0 40px rgba(196, 30, 58, 0.3);
    --shadow-gold-glow: 0 0 40px rgba(212, 175, 55, 0.4);

    /* Typography */
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* Spacing Scale */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Transitions */
    --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --ease-spring: cubic-bezier(0.175, 0.885, 0.32, 1.275);
    --duration-fast: 150ms;
    --duration-normal: 250ms;
    --duration-slow: 350ms;

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

/* ==================== TYPOGRAPHY ==================== */
body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--egy-slate);
    background-color: var(--egy-gray-100);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.3;
    color: var(--egy-charcoal);
    letter-spacing: -0.02em;
}

h1, .h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2, .h2 { font-size: clamp(1.75rem, 4vw, 2.75rem); }
h3, .h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4, .h4 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }
h5, .h5 { font-size: 1.25rem; }
h6, .h6 { font-size: 1rem; }

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-gradient-gold {
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ==================== ENHANCED NAVBAR ==================== */
.navbar-modern {
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1rem 0;
    transition: all var(--duration-normal) var(--ease-smooth);
}

.navbar-modern.scrolled {
    background: rgba(26, 26, 46, 0.98);
    padding: 0.75rem 0;
    box-shadow: var(--shadow-xl);
}

.navbar-modern .navbar-brand {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all var(--duration-normal) var(--ease-smooth);
}

.navbar-modern .navbar-brand:hover {
    transform: scale(1.02);
}

.navbar-modern .navbar-brand i {
    font-size: 1.5rem;
    color: var(--egy-gold);
    filter: drop-shadow(0 0 10px rgba(212, 175, 55, 0.5));
}

.navbar-modern .nav-link {
    color: rgba(255, 255, 255, 0.85) !important;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.6rem 1.1rem !important;
    border-radius: var(--radius-lg);
    transition: all var(--duration-normal) var(--ease-smooth);
    position: relative;
}

.navbar-modern .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-gold);
    transition: all var(--duration-normal) var(--ease-smooth);
    transform: translateX(-50%);
}

.navbar-modern .nav-link:hover {
    color: var(--egy-white) !important;
    background: rgba(255, 255, 255, 0.08);
}

.navbar-modern .nav-link:hover::after {
    width: 60%;
}

.navbar-modern .nav-link.active {
    color: var(--egy-gold) !important;
}

.navbar-modern .nav-link.active::after {
    width: 60%;
}

/* ==================== PREMIUM BUTTONS ==================== */
.btn {
    font-family: var(--font-body);
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-lg);
    transition: all var(--duration-normal) var(--ease-smooth);
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary-modern {
    background: var(--gradient-primary);
    color: var(--egy-white);
    box-shadow: 0 4px 15px rgba(196, 30, 58, 0.3);
}

.btn-primary-modern:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(196, 30, 58, 0.4);
    color: var(--egy-white);
}

.btn-primary-modern:active {
    transform: translateY(0);
}

.btn-gold-modern {
    background: var(--gradient-gold);
    color: var(--egy-charcoal);
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}

.btn-gold-modern:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-gold-glow);
    color: var(--egy-charcoal);
}

.btn-outline-modern {
    background: transparent;
    border: 2px solid var(--egy-crimson);
    color: var(--egy-crimson);
}

.btn-outline-modern:hover {
    background: var(--egy-crimson);
    color: var(--egy-white);
    transform: translateY(-2px);
}

.btn-glass {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--egy-white);
}

.btn-glass:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    color: var(--egy-white);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-xl {
    padding: 1.25rem 2.5rem;
    font-size: 1.2rem;
    border-radius: var(--radius-xl);
}

/* ==================== MODERN CARDS ==================== */
.card-modern {
    background: var(--egy-white);
    border: none;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    transition: all var(--duration-normal) var(--ease-smooth);
    position: relative;
}

.card-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--duration-normal) var(--ease-smooth);
}

.card-modern:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
}

.card-modern:hover::before {
    opacity: 1;
}

.card-modern .card-img-top {
    height: 220px;
    object-fit: cover;
    transition: transform var(--duration-slow) var(--ease-smooth);
}

.card-modern:hover .card-img-top {
    transform: scale(1.05);
}

.card-modern .card-body {
    padding: 1.5rem;
}

.card-modern .card-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--egy-charcoal);
}

.card-modern .card-text {
    color: var(--egy-gray-600);
    line-height: 1.6;
}

/* Glass Card */
.card-glass {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

/* Dark Card */
.card-dark {
    background: var(--gradient-dark);
    color: var(--egy-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.card-dark .card-title,
.card-dark .card-text {
    color: var(--egy-white);
}

/* Featured Card */
.card-featured {
    background: var(--egy-white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    position: relative;
}

.card-featured .featured-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: var(--gradient-gold);
    color: var(--egy-charcoal);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    z-index: 10;
}

/* ==================== SECTIONS ==================== */
.section {
    padding: var(--space-16) 0;
}

.section-lg {
    padding: var(--space-24) 0;
}

.section-dark {
    background: var(--gradient-dark);
    color: var(--egy-white);
}

.section-gradient {
    background: linear-gradient(180deg, var(--egy-gray-100) 0%, var(--egy-white) 100%);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-12);
}

.section-header .section-subtitle {
    display: inline-block;
    color: var(--egy-crimson);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-3);
}

.section-header .section-title {
    margin-bottom: var(--space-4);
}

.section-header .section-description {
    max-width: 600px;
    margin: 0 auto;
    color: var(--egy-gray-600);
    font-size: 1.1rem;
}

/* ==================== HERO SECTIONS ==================== */
.hero-modern {
    position: relative;
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--gradient-dark);
}

.hero-modern .hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.4;
    transition: transform 10s ease;
}

.hero-modern:hover .hero-bg {
    transform: scale(1.05);
}

.hero-modern .hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(26, 26, 46, 0.3) 0%, rgba(26, 26, 46, 0.8) 100%);
}

.hero-modern .hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--egy-white);
    padding: var(--space-8);
    max-width: 900px;
}

.hero-modern .hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: var(--space-6);
    animation: fadeInUp 0.6s ease;
}

.hero-modern .hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    margin-bottom: var(--space-6);
    line-height: 1.1;
    animation: fadeInUp 0.6s ease 0.1s backwards;
}

.hero-modern .hero-description {
    font-size: clamp(1.1rem, 2vw, 1.35rem);
    opacity: 0.9;
    max-width: 700px;
    margin: 0 auto var(--space-8);
    line-height: 1.7;
    animation: fadeInUp 0.6s ease 0.2s backwards;
}

.hero-modern .hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.6s ease 0.3s backwards;
}

/* ==================== FORM ENHANCEMENTS ==================== */
.form-control-modern {
    background: var(--egy-white);
    border: 2px solid var(--egy-gray-200);
    border-radius: var(--radius-lg);
    padding: 0.875rem 1rem;
    font-size: 1rem;
    transition: all var(--duration-normal) var(--ease-smooth);
}

.form-control-modern:focus {
    border-color: var(--egy-crimson);
    box-shadow: 0 0 0 4px rgba(196, 30, 58, 0.1);
    outline: none;
}

.form-control-modern::placeholder {
    color: var(--egy-gray-400);
}

.form-floating-modern {
    position: relative;
}

.form-floating-modern .form-control-modern {
    padding-top: 1.5rem;
}

.form-floating-modern label {
    position: absolute;
    top: 50%;
    left: 1rem;
    transform: translateY(-50%);
    color: var(--egy-gray-500);
    transition: all var(--duration-fast) var(--ease-smooth);
    pointer-events: none;
    font-size: 1rem;
}

.form-floating-modern .form-control-modern:focus ~ label,
.form-floating-modern .form-control-modern:not(:placeholder-shown) ~ label {
    top: 0.75rem;
    transform: translateY(0);
    font-size: 0.75rem;
    color: var(--egy-crimson);
}

/* Search Box */
.search-box-modern {
    position: relative;
    max-width: 600px;
    margin: 0 auto;
}

.search-box-modern input {
    width: 100%;
    padding: 1.25rem 1.5rem 1.25rem 3.5rem;
    border: 2px solid var(--egy-gray-200);
    border-radius: var(--radius-full);
    font-size: 1.1rem;
    background: var(--egy-white);
    box-shadow: var(--shadow-lg);
    transition: all var(--duration-normal) var(--ease-smooth);
}

.search-box-modern input:focus {
    border-color: var(--egy-crimson);
    box-shadow: var(--shadow-xl), 0 0 0 4px rgba(196, 30, 58, 0.1);
    outline: none;
}

.search-box-modern .search-icon {
    position: absolute;
    left: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--egy-gray-400);
    font-size: 1.2rem;
}

.search-box-modern .search-btn {
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
}

/* ==================== BADGES & TAGS ==================== */
.badge-modern {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.badge-primary {
    background: var(--gradient-primary);
    color: var(--egy-white);
}

.badge-gold {
    background: var(--gradient-gold);
    color: var(--egy-charcoal);
}

.badge-success {
    background: linear-gradient(135deg, var(--egy-emerald), #059669);
    color: var(--egy-white);
}

.badge-glass {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--egy-white);
}

/* Price Tags */
.price-tag {
    display: inline-flex;
    align-items: baseline;
    gap: 0.25rem;
}

.price-tag .currency {
    font-size: 0.9em;
    font-weight: 600;
}

.price-tag .amount {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--egy-crimson);
}

.price-tag .period {
    font-size: 0.85rem;
    color: var(--egy-gray-500);
}

.price-tag-lg .amount {
    font-size: 2.5rem;
}

/* ==================== RATING STARS ==================== */
.rating-stars {
    display: inline-flex;
    gap: 0.15rem;
    color: var(--egy-gold);
}

.rating-stars i {
    font-size: 1rem;
}

.rating-stars.rating-lg i {
    font-size: 1.25rem;
}

.rating-value {
    font-weight: 700;
    color: var(--egy-charcoal);
    margin-left: 0.5rem;
}

/* ==================== AVATAR ==================== */
.avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    background: var(--gradient-primary);
    color: var(--egy-white);
    font-weight: 600;
    overflow: hidden;
}

.avatar-sm { width: 32px; height: 32px; font-size: 0.8rem; }
.avatar-md { width: 48px; height: 48px; font-size: 1rem; }
.avatar-lg { width: 64px; height: 64px; font-size: 1.25rem; }
.avatar-xl { width: 96px; height: 96px; font-size: 1.75rem; }

.avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Avatar Group */
.avatar-group {
    display: flex;
}

.avatar-group .avatar {
    border: 3px solid var(--egy-white);
    margin-left: -0.75rem;
}

.avatar-group .avatar:first-child {
    margin-left: 0;
}

/* ==================== TESTIMONIAL CARD ==================== */
.testimonial-modern {
    background: var(--egy-white);
    border-radius: var(--radius-xl);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    position: relative;
}

.testimonial-modern::before {
    content: '"';
    position: absolute;
    top: 1rem;
    left: 1.5rem;
    font-size: 4rem;
    font-family: Georgia, serif;
    color: var(--egy-crimson);
    opacity: 0.1;
    line-height: 1;
}

.testimonial-modern .testimonial-content {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--egy-gray-600);
    margin-bottom: 1.5rem;
    font-style: italic;
}

.testimonial-modern .testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.testimonial-modern .author-name {
    font-weight: 700;
    color: var(--egy-charcoal);
}

.testimonial-modern .author-title {
    font-size: 0.9rem;
    color: var(--egy-gray-500);
}

/* ==================== STATS SECTION ==================== */
.stat-item {
    text-align: center;
    padding: 2rem;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.stat-label {
    font-size: 1rem;
    color: var(--egy-gray-600);
    font-weight: 500;
    margin-top: 0.5rem;
}

/* ==================== FOOTER MODERN ==================== */
.footer-modern {
    background: var(--gradient-dark);
    color: var(--egy-white);
    padding: 5rem 0 2rem;
    position: relative;
    overflow: hidden;
}

.footer-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-gold);
}

.footer-modern h5 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    color: var(--egy-gold);
}

.footer-modern a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all var(--duration-normal) var(--ease-smooth);
    display: inline-block;
}

.footer-modern a:hover {
    color: var(--egy-gold);
    transform: translateX(5px);
}

.footer-modern .footer-links li {
    margin-bottom: 0.75rem;
}

.footer-modern .social-links {
    display: flex;
    gap: 0.75rem;
}

.footer-modern .social-links a {
    display: flex;
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: all var(--duration-normal) var(--ease-smooth);
}

.footer-modern .social-links a:hover {
    background: var(--egy-gold);
    color: var(--egy-charcoal);
    transform: translateY(-4px);
}

.footer-bottom {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

/* ==================== ANIMATIONS ==================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* Animation Classes */
.animate-fade-in { animation: fadeIn 0.6s ease; }
.animate-fade-in-up { animation: fadeInUp 0.6s ease; }
.animate-fade-in-down { animation: fadeInDown 0.6s ease; }
.animate-scale-in { animation: scaleIn 0.4s ease; }
.animate-float { animation: float 3s ease-in-out infinite; }

/* Scroll Animations */
[data-aos="fade-up"] {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s var(--ease-smooth);
}

[data-aos="fade-up"].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

/* ==================== LOADING STATES ==================== */
.skeleton {
    background: linear-gradient(90deg, var(--egy-gray-200) 25%, var(--egy-gray-100) 50%, var(--egy-gray-200) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-md);
}

.skeleton-text {
    height: 1rem;
    margin-bottom: 0.5rem;
}

.skeleton-title {
    height: 1.5rem;
    width: 60%;
    margin-bottom: 1rem;
}

.skeleton-image {
    height: 200px;
}

/* Spinner */
.spinner-modern {
    width: 48px;
    height: 48px;
    border: 4px solid var(--egy-gray-200);
    border-top-color: var(--egy-crimson);
    border-radius: var(--radius-full);
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ==================== TOOLTIPS ==================== */
.tooltip-modern {
    position: relative;
}

.tooltip-modern::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--egy-charcoal);
    color: var(--egy-white);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all var(--duration-fast) var(--ease-smooth);
}

.tooltip-modern:hover::after {
    opacity: 1;
    visibility: visible;
}

/* ==================== RESPONSIVE UTILITIES ==================== */
@media (max-width: 991.98px) {
    .section { padding: var(--space-12) 0; }
    .section-lg { padding: var(--space-16) 0; }

    .hero-modern { min-height: 70vh; }
    .hero-modern .hero-title { font-size: clamp(2rem, 5vw, 3rem); }
}

@media (max-width: 767.98px) {
    .section { padding: var(--space-10) 0; }

    .btn { padding: 0.625rem 1.25rem; }
    .btn-lg { padding: 0.875rem 1.75rem; }

    .card-modern .card-body { padding: 1.25rem; }

    .stat-number { font-size: 2.25rem; }

    .footer-modern { padding: 3rem 0 1.5rem; }
    .footer-modern h5 { margin-bottom: 1rem; }
}

/* ==================== DARK MODE SUPPORT ==================== */
@media (prefers-color-scheme: dark) {
    :root {
        --egy-gray-100: #1a1a2e;
        --egy-gray-200: #2d2d44;
        --egy-white: #0f0f1a;
    }

    body.auto-dark {
        background-color: var(--egy-charcoal);
        color: var(--egy-gray-300);
    }
}

/* ==================== UTILITY CLASSES ==================== */
.overflow-hidden { overflow: hidden; }
.position-relative { position: relative; }
.z-1 { z-index: 1; }
.z-10 { z-index: 10; }

.rounded-xl { border-radius: var(--radius-xl); }
.rounded-2xl { border-radius: var(--radius-2xl); }
.rounded-full { border-radius: var(--radius-full); }

.shadow-xl { box-shadow: var(--shadow-xl); }
.shadow-2xl { box-shadow: var(--shadow-2xl); }
.shadow-glow { box-shadow: var(--shadow-glow); }

.bg-gradient-primary { background: var(--gradient-primary); }
.bg-gradient-gold { background: var(--gradient-gold); }
.bg-gradient-dark { background: var(--gradient-dark); }

.text-gold { color: var(--egy-gold); }
.text-crimson { color: var(--egy-crimson); }

.fw-800 { font-weight: 800; }

.letter-spacing-wide { letter-spacing: 0.05em; }
.letter-spacing-wider { letter-spacing: 0.1em; }

.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.line-clamp-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Hover Effects */
.hover-lift { transition: transform var(--duration-normal) var(--ease-smooth); }
.hover-lift:hover { transform: translateY(-4px); }

.hover-scale { transition: transform var(--duration-normal) var(--ease-smooth); }
.hover-scale:hover { transform: scale(1.02); }

.hover-glow { transition: box-shadow var(--duration-normal) var(--ease-smooth); }
.hover-glow:hover { box-shadow: var(--shadow-glow); }