/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
}

/* Navigation Styles */
nav {
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95);
}

.nav-link {
    color: #64748b;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #2563eb;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: #2563eb;
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

/* Hero Section */
.hero-gradient {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    position: relative;
    overflow: hidden;
    color: white;
    padding: 6rem 0;
}

.hero-gradient::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 1;
}

.hero-gradient .container {
    position: relative;
    z-index: 2;
}

.hero-gradient h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-gradient p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

@media (max-width: 768px) {
    .hero-gradient h1 {
        font-size: 2.5rem;
    }
    
    .hero-gradient p {
        font-size: 1.1rem;
    }
}

.hero-gradient::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="25" cy="75" r="1" fill="rgba(255,255,255,0.05)"/><circle cx="75" cy="25" r="1" fill="rgba(255,255,255,0.05)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero-gradient h1,
.hero-gradient p {
    position: relative;
    z-index: 1;
}

/* Button Styles */
.btn-primary {
    display: inline-flex;
    align-items: center;
    background: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
    color: white;
    padding: 16px 32px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(255, 107, 53, 0.4);
    border: none;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(255, 107, 53, 0.6);
    background: linear-gradient(135deg, #ff7b45 0%, #ffa32e 100%);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 14px 30px;
    border: 2px solid rgba(255, 255, 255, 0.8);
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: white;
    transform: translateY(-2px);
}

/* Feature Cards */
.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid #e5e7eb;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

/* Report Cards */
.report-card {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    text-align: center;
}

.report-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}

.report-icon {
    width: 50px;
    height: 50px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin: 0 auto 1rem;
}

/* Download Cards */
.download-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 2px solid;
}

.download-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.download-header {
    padding: 2rem;
    text-align: center;
}

.download-body {
    padding: 2rem;
}

/* Contact Cards */
.contact-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: all 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.contact-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto 1rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-gradient {
        padding: 4rem 0;
    }
    
    .hero-gradient h1 {
        font-size: 2.5rem;
    }
    
    .hero-gradient p {
        font-size: 1.1rem;
    }
    
    .feature-card,
    .download-card,
    .contact-card {
        padding: 1.5rem;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Section Padding */
section {
    padding: 5rem 0;
}

@media (max-width: 768px) {
    section {
        padding: 3rem 0;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Mobile Menu Styles */
#mobile-menu {
    transition: all 0.3s ease;
}

#mobile-menu.hidden {
    display: none;
}

#mobile-menu:not(.hidden) {
    display: block;
    animation: slideDown 0.3s ease;
}

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

/* Accordion Styles */
.accordion-item {
    border-bottom: 1px solid #e5e7eb;
}

.accordion-button {
    width: 100%;
    text-align: left;
    padding: 1.5rem 1rem;
    font-size: 1.1rem;
    font-weight: 500;
    color: #374151;
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.3s ease;
}

.accordion-button:hover {
    background-color: #f9fafb;
}

.accordion-button::after {
    content: '\f078';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    transition: transform 0.3s ease;
}

.accordion-button.active::after {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    padding: 0 1rem;
}

.accordion-content p {
    padding: 1rem 0;
    color: #6b7280;
}