/* ==========================================================================
   Global Styles
   ========================================================================== */
:root {
    --primary-color: #28a745;
    --secondary-color: #20c997;
    --text-color: #333;
    --bg-light: #f8f9fa;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Arial', sans-serif;
    line-height: 1.7;
    margin: 0;
    padding-top: 70px; /* Increased for fixed navbar */
    color: var(--text-color);
    background: var(--bg-light);
}

html {
    scroll-behavior: smooth;
    font-size: 16px; /* Base font size for rem consistency */
}

h1, h2, h3, h4, h5, h6 {
    margin-bottom: 1.25rem;
    font-weight: 600;
    line-height: 1.3;
}

p {
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
}

#back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: none;
    background: var(--primary-color);
    color: #fff;
    border-radius: 50%;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    transition: var(--transition);
}

#back-to-top:hover {
    background: var(--secondary-color);
    transform: translateY(-3px);
}

/* ==========================================================================
   Navbar
   ========================================================================== */
.navbar {
    background: #fff !important;
    box-shadow: var(--shadow);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1030;
    padding: 1rem 0;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary-color) !important;
}

.nav-link {
    transition: var(--transition);
    font-weight: 500;
    color: var(--text-color) !important;
    padding: 0.5rem 1rem !important;
}

.nav-link:hover {
    color: var(--primary-color) !important;
    transform: translateY(-1px);
}

.nav-link.active {
    color: var(--primary-color) !important;
    font-weight: 600;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    min-height: 70vh; /* Increased for better visual balance */
    color: #fff;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem 1rem;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem); /* Responsive font size */
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: clamp(1rem, 3vw, 1.25rem);
    max-width: 600px;
    margin: 0 auto 2rem;
}

.hero .btn {
    font-size: 1.25rem;
    padding: 0.75rem 2rem;
    border-radius: 8px;
    background: #fff;
    color: var(--primary-color);
    border: none;
    font-weight: 500;
    transition: var(--transition);
}

.hero .btn:hover {
    background: var(--secondary-color);
    color: #fff;
    transform: translateY(-3px);
}

/* ==========================================================================
   Features Page Hero
   ========================================================================== */
.hero-features {
    background: linear-gradient(135deg, #28a745 0%, #198754 50%, #155724 100%);
    min-height: 70vh;
    position: relative;
}

.hero-features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/hero.jpg') center/cover;
    opacity: 0.1;
    z-index: 1;
}

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

.hero-highlights .highlight-item {
    padding: 1.5rem;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.hero-highlights .highlight-item:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
}

/* Technology Page Hero */
.hero-technology {
    background: linear-gradient(135deg, #28a745 0%, #198754 50%, #155724 100%);
    min-height: 70vh;
    position: relative;
}

.hero-technology::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/hero.jpg') center/cover;
    opacity: 0.1;
    z-index: 1;
}

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

/* Home Page Hero */
.hero-home {
    background: linear-gradient(135deg, #28a745 0%, #198754 50%, #155724 100%);
    min-height: 70vh;
    position: relative;
}

.hero-home::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/hero.jpg') center/cover;
    opacity: 0.1;
    z-index: 1;
}

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

.hero-actions {
    margin-top: 2rem;
}

.hero-actions .btn {
    margin: 0.5rem;
    padding: 0.75rem 2rem;
    font-weight: 600;
    border-radius: 8px;
    transition: var(--transition);
}

/* ==========================================================================
   Sections
   ========================================================================== */
section {
    padding: 5rem 0; /* Increased padding for better spacing */
}

section h2 {
    font-size: clamp(2rem, 4vw, 2.75rem);
    text-align: center;
    margin-bottom: 2.5rem;
    color: var(--text-color);
}

section p {
    font-size: 1.1rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* ==========================================================================
   Features Section
   ========================================================================== */
#features .col-md-3 {
    margin-bottom: 2.5rem;
    text-align: center;
}

#features h4 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 500;
}

/* ==========================================================================
   Feature Cards
   ========================================================================== */
.feature-card {
    background: #fff;
    border-radius: 12px;
    padding: 2rem 1.5rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    border: none;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    margin-bottom: 1rem;
}

.feature-card h4 {
    color: var(--text-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

.feature-card p {
    flex-grow: 1;
    color: #666;
}

/* ==========================================================================
   How It Works Section
   ========================================================================== */
#how-it-works .col-md-4 {
    margin-bottom: 2.5rem;
    text-align: center;
}

#how-it-works h4 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 500;
}

/* ==========================================================================
   Step Cards (How It Works)
   ========================================================================== */
.step-card {
    position: relative;
    padding: 2rem 1.5rem;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    height: 100%;
}

.step-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.step-number {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: #fff;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
}

.step-card h4 {
    margin-top: 1rem;
    color: var(--text-color);
    font-weight: 600;
}

/* ==========================================================================
   Contact Form
   ========================================================================== */
form .form-control {
    border-radius: 8px;
    border: 1px solid #ced4da;
    padding: 0.75rem;
    transition: var(--transition);
}

form .form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(40, 167, 69, 0.25);
}

form .btn {
    border-radius: 8px;
    background: var(--primary-color);
    color: #fff;
    padding: 0.75rem 1.5rem;
    font-weight: 500;
}

form .btn:hover {
    background: var(--secondary-color);
}

/* ==========================================================================
   Technology Section
   ========================================================================== */
.tech-feature {
    background: #fff;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    height: 100%;
}

.tech-feature h3 {
    color: var(--text-color);
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.tech-feature ul {
    list-style: none;
    padding: 0;
}

.tech-feature li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 1.5rem;
}

.tech-feature li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.stats-row {
    background: #fff;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    margin-top: 2rem;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-item p {
    color: #666;
    font-weight: 500;
    margin: 0;
}

/* ==========================================================================
   Testimonials
   ========================================================================== */
.testimonial-card {
    background: #fff;
    border-radius: 12px;
    padding: 2rem 1.5rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    height: 100%;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.stars {
    margin-bottom: 1rem;
}

.testimonial-card .blockquote p {
    font-style: italic;
    color: #444;
    font-size: 1rem;
}

.testimonial-card .blockquote-footer {
    color: var(--text-color);
}

.testimonial-card .blockquote-footer strong {
    color: var(--primary-color);
}

/* ==========================================================================
   Footer
   ========================================================================== */
footer {
    background: #2c3e50 !important;
    color: #fff;
    padding: 2rem 0;
}

footer p {
    margin: 0;
    font-size: 0.95rem;
}

.footer-link {
    display: inline-block;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    line-height: 40px;
    text-align: center;
    transition: var(--transition);
    text-decoration: none;
}

.footer-link:hover {
    background: var(--primary-color);
    color: #fff !important;
    transform: translateY(-2px);
}

/* ==========================================================================
   General Components
   ========================================================================== */
.btn {
    transition: var(--transition);
    border-radius: 8px;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.img-fluid {
    max-width: 100%;
    height: auto;
    border-radius: 8px; /* Subtle rounding for images */
}

.shadow-lg {
    box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.15) !important;
}

/* ==========================================================================
   Card Styling
   ========================================================================== */
.card {
    border: none;
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0.75rem 1.5rem rgba(0, 0, 0, 0.1);
}

.card-body i {
    font-size: 2rem;
    color: var(--primary-color);
    transition: var(--transition);
}

.card:hover .card-body i {
    color: var(--secondary-color);
}

/* ==========================================================================
   News Section
   ========================================================================== */
.news-card {
    background: #fff;
    border-radius: 12px;
    padding: 2rem 1.5rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    height: 100%;
    position: relative;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.news-date {
    position: absolute;
    top: 1rem;
    right: 1rem;
}

.news-icon {
    margin: 1rem 0;
}

.news-card h4 {
    color: var(--text-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

.news-card p {
    color: #666;
    margin-bottom: 1.5rem;
}

/* ==========================================================================
   Call to Action Section
   ========================================================================== */
.cta-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.1);
    z-index: 1;
}

.cta-section .container {
    position: relative;
    z-index: 2;
}

.cta-section h2 {
    font-weight: 700;
    color: #fff;
}

.cta-section p {
    color: rgba(255, 255, 255, 0.9);
}

.cta-buttons .btn {
    font-weight: 600;
    padding: 1rem 2rem;
    border-radius: 8px;
    transition: var(--transition);
}

.cta-buttons .btn-light:hover {
    background: var(--secondary-color);
    border-color: var(--secondary-color);
    color: #fff;
    transform: translateY(-2px);
}

.cta-buttons .btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.8);
    transform: translateY(-2px);
}

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

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

/* Add scroll-triggered animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease-out;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   About Page Specific Styles
   ========================================================================== */
.hero-about {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    min-height: 60vh;
    color: #fff;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem 1rem;
}

.hero-stats {
    margin-top: 3rem;
}

.stat-hero {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 1.5rem 1rem;
    backdrop-filter: blur(10px);
}

.stat-hero h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: #fff;
}

.stat-hero p {
    margin: 0;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

/* Mission Section */
.mission-card {
    background: #fff;
    border-radius: 20px;
    padding: 3rem 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.mission-points h5 {
    font-weight: 600;
    color: var(--text-color);
    margin: 0.5rem 0;
}

.mission-points p {
    color: #666;
    font-size: 0.95rem;
    margin: 0;
}

/* Value Cards */
.value-card {
    background: #fff;
    border-radius: 12px;
    padding: 2rem 1.5rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    height: 100%;
}

.value-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
}

.value-card h4 {
    color: var(--text-color);
    font-weight: 600;
    margin: 1rem 0;
}

.value-card p {
    color: #666;
    margin: 0;
}

/* Team Cards */
.team-card {
    background: #fff;
    border-radius: 12px;
    padding: 2rem 1.5rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    height: 100%;
}

.team-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
}

.team-avatar {
    margin-bottom: 1.5rem;
}

.avatar-placeholder {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    border: 3px solid #e9ecef;
}

.team-info h4 {
    color: var(--text-color);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.team-role {
    font-weight: 600;
    margin-bottom: 1rem;
}

.team-bio {
    color: #666;
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.team-social a {
    display: inline-block;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background: var(--bg-light);
    line-height: 35px;
    text-align: center;
    transition: var(--transition);
    text-decoration: none;
}

.team-social a:hover {
    background: var(--primary-color);
    color: #fff !important;
    transform: translateY(-2px);
}

/* Timeline */
.timeline {
    position: relative;
    padding: 2rem 0;
}

.timeline-item {
    background: #fff;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    position: relative;
    margin-left: 2rem;
}

.timeline-year {
    position: absolute;
    left: -2rem;
    top: 2rem;
}

.timeline-item h4 {
    color: var(--text-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

.timeline-item p {
    color: #666;
    margin: 0;
}

/* Partner Cards */
.partner-card {
    background: #fff;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    height: 100%;
    border: none;
}

.partner-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
}

.partner-card h5 {
    color: var(--text-color);
    font-weight: 600;
    margin: 1rem 0;
}

.partner-card p {
    color: #666;
    font-size: 0.95rem;
    margin: 0;
}

/* Responsive adjustments for About page */
@media (max-width: 768px) {
    .hero-about h1 {
        font-size: 2.5rem;
    }
    
    .timeline-item {
        margin-left: 0;
    }
    
    .timeline-year {
        position: relative;
        left: 0;
        top: 0;
        margin-bottom: 1rem;
        text-align: center;
    }
    
    .stat-hero {
        margin-bottom: 1rem;
    }
    
    .mission-card {
        padding: 2rem 1rem;
    }
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */
@media (max-width: 992px) {
    .hero {
        min-height: 60vh;
        text-align: center;
    }

    .hero h1 {
        font-size: clamp(2rem, 4vw, 3rem);
    }

    .hero .btn {
        font-size: 1.1rem;
        padding: 0.6rem 1.5rem;
    }

    section {
        padding: 3rem 0;
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .feature-card,
    .step-card,
    .testimonial-card,
    .news-card {
        margin-bottom: 2rem;
    }
    
    .step-number {
        position: relative;
        top: 0;
        left: 0;
        transform: none;
        margin: 0 auto 1rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
}

@media (max-width: 576px) {
    .hero {
        min-height: 80vh;
        padding: 2rem 1rem;
    }

    .hero h1 {
        font-size: clamp(1.5rem, 3vw, 2rem);
    }

    .hero .col-lg-6 {
        margin-bottom: 1.5rem;
    }

    #back-to-top {
        bottom: 20px;
        right: 20px;
        width: 40px;
        height: 40px;
    }
}

/* Contact Page Styles */
.hero-contact {
    background: linear-gradient(135deg, #28a745 0%, #198754 50%, #155724 100%);
    min-height: 70vh;
    position: relative;
}

.hero-contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/hero.jpg') center/cover;
    opacity: 0.1;
    z-index: 1;
}

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

.contact-highlights .contact-item {
    padding: 1.5rem;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.contact-highlights .contact-item:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
}

.contact-form-card {
    background: #fff;
    border-radius: 15px;
    padding: 3rem 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    margin-top: -100px;
    position: relative;
    z-index: 10;
}

.contact-form .form-control {
    border: 2px solid #e9ecef;
    border-radius: 8px;
    padding: 0.75rem 1rem;
    transition: var(--transition);
    background: #f8f9fa;
}

.contact-form .form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.25);
    background: #fff;
}

.contact-form .form-label {
    font-weight: 600;
    color: #333;
    margin-bottom: 0.5rem;
}

.contact-form .btn-primary {
    padding: 0.75rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    transition: var(--transition);
}

.contact-info-card {
    background: #fff;
    border-radius: 12px;
    padding: 2rem 1.5rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.contact-info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.contact-info-card h4 {
    color: #333;
    margin-bottom: 1rem;
    font-weight: 600;
}

.contact-info-card p {
    color: #666;
    margin-bottom: 0;
    line-height: 1.6;
}

/* Technology Stats */
.stat-tech {
    padding: 1.5rem;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    transition: var(--transition);
    text-align: center;
}

.stat-tech:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
}

.stat-tech h3 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: #fff;
}

.stat-tech p {
    margin-bottom: 0;
    opacity: 0.9;
    font-size: 1rem;
}

/* Technology Stats Container */
.tech-stats {
    margin-top: 3rem;
}

@media (max-width: 768px) {
    .stat-tech {
        margin-bottom: 1rem;
    }
    
    .stat-tech h3 {
        font-size: 2rem;
    }
}