/* Modern CSS Variables */
:root {
    --primary-color: #e63946;
    --primary-dark: #d00000;
    --primary-light: #f1faee;
    --secondary-color: #457b9d;
    --accent-color: #f77f00;
    
    --text-primary: #2d3748;
    --text-secondary: #4a5568;
    --text-muted: #718096;
    --text-light: #a0aec0;
    
    --bg-primary: #ffffff;
    --bg-secondary: #f7fafc;
    --bg-dark: #1a202c;
    --bg-overlay: rgba(0, 0, 0, 0.7);
    
    --border-color: #e2e8f0;
    --border-light: #edf2f7;
    
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-secondary: 'Poppins', sans-serif;
    
    --container-max: 1200px;
    --container-padding: 1rem;
    
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal: 1040;
    --z-popover: 1050;
    --z-tooltip: 1060;
}

/* Modern Reset & Base Styles */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-content {
    text-align: center;
    color: white;
}

.loading-logo {
    margin-bottom: 2rem;
}

.loading-img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin-bottom: 1rem;
    animation: pulse 2s infinite;
}

.loading-text {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 2rem;
}

.loading-bar {
    width: 200px;
    height: 4px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 2px;
    overflow: hidden;
    margin: 0 auto;
}

.loading-progress {
    height: 100%;
    background: white;
    border-radius: 2px;
    animation: loading 2s ease-in-out infinite;
}

@keyframes loading {
    0% { width: 0%; }
    50% { width: 70%; }
    100% { width: 100%; }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* Container Utility */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Modern Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    line-height: 1;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    box-shadow: var(--shadow-md);
}

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

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

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

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

.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;
}

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

/* Section Utilities */
.section-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--primary-light);
    color: var(--primary-color);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-xl);
    margin-bottom: 1rem;
}

.section-title {
    font-family: var(--font-secondary);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 600px;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

/* Modern Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
    z-index: var(--z-sticky);
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem var(--container-padding);
    max-width: var(--container-max);
    margin: 0 auto;
}

.navbar-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.25rem;
}

.logo-img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    /* border: 2px solid var(--primary-color); */
    transition: transform var(--transition-normal);
}

.navbar-logo:hover .logo-img {
    transform: rotate(360deg) scale(1.1);
}

.navbar-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
    padding: 0;
}

.navbar-link {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem 0;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    transition: color var(--transition-normal);
}

.navbar-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width var(--transition-normal);
}

.navbar-link:hover,
.navbar-link.active {
    color: var(--primary-color);
}

.navbar-link:hover::after,
.navbar-link.active::after {
    width: 100%;
}

/* Modern Dropdown */
.dropdown {
    position: relative;
}

.dropdown-icon {
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid currentColor;
    transition: transform var(--transition-normal);
}

.dropdown:hover .dropdown-icon {
    transform: rotate(180deg);
}

.dropdown-content {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-normal);
    z-index: var(--z-dropdown); 
    overflow-y: auto; 
}

.dropdown:hover .dropdown-content {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-fast);
    border-radius: var(--radius-sm);
    margin: 0.25rem;
}

.dropdown-link:hover {
    background: var(--primary-light);
    color: var(--primary-color);
    transform: translateX(4px);
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.navbar-cta {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
}

/* #navbar-menu {
    max-height: 90vh;
    overflow-y: auto;
} */

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.hamburger-line {
    width: 100%;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-normal);
    transform-origin: center;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

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

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

/* Responsive Design */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    #navbar-menu {
        max-height: 90vh;
        overflow-y: auto;
    }
    
    .navbar-menu {
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-primary);
        flex-direction: column;
        padding: 2rem var(--container-padding);
        box-shadow: var(--shadow-lg);
        transform: translateY(-100vh);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
    }
    
    .navbar-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .dropdown-content {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        background: var(--bg-secondary);
        margin-top: 0.5rem;
        border-radius: var(--radius-md);
    }
    
    .section-title {
        font-size: 2rem;
    }

    
}

@media (max-width: 480px) {
    .navbar-container {
        padding: 0.75rem var(--container-padding);
    }
    
    .navbar-cta {
        padding: 0.5rem 1rem;
        font-size: 0.8rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
}