/* CSS Variables & Reset */
:root {
    /* Colors */
    --primary-navy: #0D2C57;
    --secondary-blue: #1E4A84;
    --accent-green: #00B26F;
    --silver: #C0C6CC;
    --body-text: #2B2B2B;
    --background: linear-gradient(135deg, #FFFFFF 0%, #F6F8FA 100%);
    --white: #FFFFFF;
    
    /* Typography */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    --font-slogan: 'Merriweather', serif;
    
    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --space-3xl: 64px;
    --space-4xl: 96px;
    
    /* Breakpoints */
    --mobile: 375px;
    --tablet: 768px;
    --laptop: 1024px;
    --desktop: 1366px;
    --large: 1920px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--body-text);
    background: var(--background);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* Typography Scale */
h1 {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 64px;
    line-height: 1.1;
    color: var(--primary-navy);
}

h2 {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 48px;
    line-height: 1.2;
    color: var(--primary-navy);
    margin-bottom: var(--space-2xl);
    text-align: center;
}

h3 {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 32px;
    line-height: 1.3;
    color: var(--primary-navy);
    margin-bottom: var(--space-md);
}

h4 {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 20px;
    line-height: 1.4;
    color: var(--primary-navy);
    margin-bottom: var(--space-md);
}

/* Header Styles */
.header {
    background: var(--white);
    box-shadow: 0 2px 20px rgba(13, 44, 87, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) 0;
}

.logo-brand {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.logo img {
    /* border-radius: 50%; */
    /* box-shadow: 0 4px 12px rgba(13, 44, 87, 0.2); */
    width: 75px;
    height: 50px;
    transform: scale(2);
}

.brand-text .org-name {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 24px;
    text-transform: uppercase;
    color: var(--primary-navy);
    letter-spacing: 1px;
}

.brand-text .org-subtitle {
    font-family: var(--font-heading);
    font-size: 12px;
    text-transform: uppercase;
    color: var(--secondary-blue);
    letter-spacing: 0.5px;
}

.brand-text .slogan {
    font-family: var(--font-slogan);
    font-style: italic;
    font-size: 14px;
    color: var(--accent-green);
    margin-top: var(--space-xs);
}

.nav-contact {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.contact-link {
    text-decoration: none;
    color: var(--body-text);
    font-size: 14px;
    transition: color 0.3s ease;
}

.contact-link:hover {
    color: var(--accent-green);
}

.navigation {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-xl);
}

.nav-menu a {
    text-decoration: none;
    color: var(--body-text);
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: var(--accent-green);
}

.nav-actions {
    display: flex;
    gap: var(--space-md);
}

.hamburger {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
    gap: 3px;
}

.hamburger span {
    width: 20px;
    height: 2px;
    background: var(--primary-navy);
    transition: 0.3s;
}

/* Button Styles */
.btn-primary {
    background: var(--accent-green);
    color: var(--white);
    border: none;
    padding: var(--space-md) var(--space-xl);
    border-radius: 8px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-primary:hover {
    background: #00995E;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 178, 111, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--secondary-blue);
    border: 2px solid var(--secondary-blue);
    padding: calc(var(--space-md) - 2px) calc(var(--space-xl) - 2px);
    border-radius: 8px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.btn-large {
    padding: var(--space-lg) var(--space-2xl);
    font-size: 16px;
}

.btn-full {
    width: 100%;
}

.btn-outline {
    background: transparent;
    color: var(--secondary-blue);
    border: 2px solid var(--secondary-blue);
    padding: var(--space-md) var(--space-lg);
    border-radius: 6px;
    font-family: var(--font-heading);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-outline:hover {
    background: var(--secondary-blue);
    color: var(--white);
}

/* Hero Section */
.hero {
    padding: var(--space-4xl) 0;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

.hero-text h1 {
    margin-bottom: var(--space-xl);
}

.hero-subtitle {
    font-size: 20px;
    line-height: 1.6;
    color: var(--body-text);
    margin-bottom: var(--space-2xl);
}

.hero-actions {
    display: flex;
    gap: var(--space-lg);
}

.hero-visual {
    position: relative;
}

.image-container {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(13, 44, 87, 0.2);
}

.hero-image {
    width: 100%;
    height: 500px;
    object-fit: cover;
    display: block;
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(13, 44, 87, 0.1), rgba(30, 74, 132, 0.1));
}

/* Quick Facts */
.quick-facts {
    padding: var(--space-2xl) 0;
}

.facts-scroll {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.fact-chip {
    background: var(--white);
    padding: var(--space-lg);
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(13, 44, 87, 0.1);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    transition: transform 0.3s ease;
}

.fact-chip:hover {
    transform: translateY(-4px);
}

.fact-icon {
    font-size: 24px;
}

.fact-text {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.fact-text strong {
    font-family: var(--font-heading);
    color: var(--primary-navy);
}

.fact-text span {
    font-size: 14px;
    color: var(--body-text);
}

/* Services Section */
.services {
    padding: var(--space-4xl) 0;
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-2xl);
}

.service-card {
    background: var(--white);
    padding: var(--space-2xl);
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(13, 44, 87, 0.1);
    border: 2px solid transparent;
    transition: all 0.3s ease;
    text-align: center;
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-green);
    box-shadow: 0 12px 40px rgba(13, 44, 87, 0.15);
}

.service-icon {
    font-size: 48px;
    margin-bottom: var(--space-lg);
}

.service-card h3 {
    margin-bottom: var(--space-md);
}

.service-card p {
    color: var(--body-text);
    line-height: 1.6;
}

/* Programs Section */
.programs {
    padding: var(--space-4xl) 0;
}

.programs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-2xl);
}

.program-card {
    background: var(--white);
    padding: var(--space-2xl);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(13, 44, 87, 0.1);
    text-align: center;
    transition: transform 0.3s ease;
}

.program-card:hover {
    transform: translateY(-4px);
}

.program-card h3 {
    margin-bottom: var(--space-md);
}

.program-card p {
    color: var(--body-text);
    margin-bottom: var(--space-xl);
    line-height: 1.6;
}

/* Impact Section */
.impact {
    padding: var(--space-4xl) 0;
    background: var(--primary-navy);
    color: var(--white);
}

.impact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

.impact-text h2 {
    color: var(--white);
    text-align: left;
    margin-bottom: var(--space-lg);
}

.impact-text > p {
    font-size: 18px;
    line-height: 1.6;
    margin-bottom: var(--space-2xl);
    opacity: 0.9;
}

.impact-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.stat {
    text-align: center;
}

.stat-number {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 36px;
    color: var(--accent-green);
    margin-bottom: var(--space-xs);
}

.stat-label {
    font-size: 14px;
    opacity: 0.8;
}

.impact-image {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.impact-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    display: block;
}

/* Contact Section */
.contact {
    padding: var(--space-4xl) 0;
    background: var(--white);
}

.contact-form {
    max-width: 800px;
    margin: 0 auto;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-family: var(--font-heading);
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--primary-navy);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--space-md);
    border: 2px solid var(--silver);
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: 16px;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-green);
    box-shadow: 0 0 0 3px rgba(0, 178, 111, 0.1);
}

/* Footer */
.footer {
    background: var(--primary-navy);
    color: var(--white);
    padding: var(--space-4xl) 0 var(--space-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-4xl);
    margin-bottom: var(--space-2xl);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.footer-logo img {
    border-radius: 50%;
    margin-bottom: var(--space-md);
}

.footer-org {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.4;
}

.footer-org strong {
    font-size: 18px;
}

address {
    font-style: normal;
    opacity: 0.8;
    line-height: 1.6;
}

.udyam-registration {
    font-size: 14px;
    color: var(--accent-green);
    font-weight: 600;
}

.footer-links h4,
.footer-contact h4 {
    color: var(--white);
    margin-bottom: var(--space-lg);
}

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

.footer-links li {
    margin-bottom: var(--space-md);
}

.footer-links a {
    color: var(--silver);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.contact-details a {
    color: var(--silver);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-details a:hover {
    color: var(--accent-green);
}

.social-links {
    display: flex;
    gap: var(--space-md);
}

.social-links a {
    font-size: 20px;
    text-decoration: none;
}

.footer-bottom {
    border-top: 1px solid var(--secondary-blue);
    padding-top: var(--space-lg);
    text-align: center;
    opacity: 0.7;
    font-size: 14px;
}

/* Mobile Sticky CTA */
.mobile-cta {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--white);
    padding: var(--space-md);
    box-shadow: 0 -4px 20px rgba(13, 44, 87, 0.1);
    z-index: 1000;
}

/* Responsive Design */
@media (max-width: 1024px) {
    h1 { font-size: 48px; }
    h2 { font-size: 36px; }
    
    .hero-content {
        gap: var(--space-2xl);
    }
    
    .hero-image {
        height: 400px;
    }
    
    .impact-content {
        gap: var(--space-2xl);
    }
    
    .impact-image img {
        height: 350px;
    }
}

@media (max-width: 768px) {
    h1 { font-size: 36px; }
    h2 { font-size: 28px; }
    h3 { font-size: 24px; }
    
    .container {
        padding: 0 var(--space-md);
    }
    
    .nav-contact .contact-info,
    .navigation {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .facts-scroll {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .programs-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .impact-content {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
    
    .impact-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-lg);
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
    
    .mobile-cta {
        display: block;
    }
}

@media (max-width: 480px) {
    h1 { font-size: 28px; }
    h2 { font-size: 24px; }
    h3 { font-size: 20px; }
    
    body {
        font-size: 14px;
    }
    
    .nav-wrapper {
        padding: var(--space-sm) 0;
    }
    
    .brand-text .org-name {
        font-size: 18px;
    }
    
    .hero {
        padding: var(--space-2xl) 0;
    }
    
    .hero-image {
        height: 300px;
    }
    
    .impact-stats {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .stat-number {
        font-size: 28px;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for keyboard navigation */
button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 3px solid var(--accent-green);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --primary-navy: #000000;
        --accent-green: #006600;
        --body-text: #000000;
    }
}