/* EU–India ICT Mobility Advisory - Institutional Brand Stylesheet */
/* Brand Manual Compliance: Deep Institutional Blue, Midnight Navy, Muted Gold, Soft Grey */

/* ===== CSS RESET & BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Brand Manual Primary Colors */
    --deep-institutional-blue: #0B2D5C;
    --midnight-navy: #1A1F36;
    --muted-gold: #B89B4C;
    --soft-grey: #F2F4F7;
    
    /* Supporting Colors */
    --white: #ffffff;
    --text-primary: #1A1F36;
    --text-secondary: #4A5568;
    --border-color: #D1D5DB;
    --success-green: #059669;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #0B2D5C 0%, #1A1F36 100%);
    --gradient-overlay: linear-gradient(180deg, rgba(11, 45, 92, 0.95) 0%, rgba(26, 31, 54, 0.90) 100%);
    
    /* Typography - Brand Manual: Serif for authority, Sans-serif for clarity */
    --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-standard: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows - Institutional and minimal */
    --shadow-sm: 0 1px 2px 0 rgba(11, 45, 92, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(11, 45, 92, 0.08);
    --shadow-lg: 0 10px 15px -3px rgba(11, 45, 92, 0.10);
    --shadow-xl: 0 20px 25px -5px rgba(11, 45, 92, 0.12);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-primary);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===== TYPOGRAPHY - INSTITUTIONAL AUTHORITY ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 700;
    line-height: 1.2;
    color: var(--deep-institutional-blue);
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: var(--spacing-sm);
}

a {
    color: var(--deep-institutional-blue);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--muted-gold);
}

/* ===== LAYOUT ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xl) 0;
}

.section:nth-child(even) {
    background-color: var(--soft-grey);
}

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

.section-title {
    font-size: 2.5rem;
    color: var(--deep-institutional-blue);
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    font-weight: 400;
    max-width: 700px;
    margin: 0 auto;
}

/* ===== NAVIGATION - INSTITUTIONAL ===== */
.navbar {
    background-color: var(--white);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 3px solid var(--deep-institutional-blue);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-serif);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--deep-institutional-blue);
}

.logo i {
    font-size: 1.6rem;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    font-weight: 500;
    color: var(--text-primary);
    transition: color var(--transition-fast);
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-links a:hover {
    color: var(--muted-gold);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--deep-institutional-blue);
    cursor: pointer;
}

/* ===== HERO SECTION - AUTHORITATIVE ===== */
.hero {
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--gradient-primary);
    color: var(--white);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="50" height="50" patternUnits="userSpaceOnUse"><path d="M 50 0 L 0 0 0 50" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    padding: var(--spacing-md);
}

.hero-headline {
    font-size: 3.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    line-height: 1.15;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    color: var(--white);
}

.hero-subheadline {
    font-size: 1.25rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
    font-weight: 400;
    opacity: 0.95;
    font-family: var(--font-sans);
}

.hero-tagline {
    font-size: 1rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.85;
    font-weight: 300;
    font-family: var(--font-sans);
}

.hero-disclaimer {
    font-size: 0.85rem;
    opacity: 0.7;
    font-style: italic;
    max-width: 700px;
    margin: 0 auto;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

/* ===== BUTTONS - INSTITUTIONAL ===== */
.btn {
    padding: 0.9rem 2rem;
    font-size: 0.95rem;
    font-weight: 600;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all var(--transition-standard);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-sans);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary {
    background-color: var(--muted-gold);
    color: var(--midnight-navy);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background-color: #C9AA5C;
}

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

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

/* ===== BRAND POSITIONING SECTION ===== */
.section-brand {
    background: var(--white);
}

.brand-statement {
    max-width: 900px;
    margin: 0 auto var(--spacing-lg) auto;
    text-align: center;
}

.brand-headline {
    font-size: 2.25rem;
    color: var(--deep-institutional-blue);
    margin-bottom: var(--spacing-md);
    font-weight: 700;
}

.brand-subheadline {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.brand-values {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.value-item {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--soft-grey);
    border-radius: 6px;
    border-top: 3px solid var(--muted-gold);
}

.value-item i {
    font-size: 2.5rem;
    color: var(--deep-institutional-blue);
    margin-bottom: var(--spacing-sm);
}

.value-item h4 {
    font-size: 1.1rem;
    color: var(--deep-institutional-blue);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

/* ===== SERVICE SECTIONS ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
}

.service-card {
    background: var(--white);
    border: 2px solid var(--border-color);
    border-radius: 6px;
    padding: var(--spacing-md);
    transition: all var(--transition-standard);
}

.service-card:hover {
    border-color: var(--deep-institutional-blue);
    box-shadow: var(--shadow-md);
}

.service-icon {
    width: 60px;
    height: 60px;
    background: var(--deep-institutional-blue);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
}

.service-icon i {
    font-size: 1.75rem;
    color: var(--white);
}

.service-card h3 {
    font-size: 1.35rem;
    color: var(--deep-institutional-blue);
    margin-bottom: var(--spacing-sm);
}

.service-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.service-list {
    list-style: none;
    margin-top: var(--spacing-sm);
}

.service-list li {
    padding: 0.5rem 0;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.service-list i {
    color: var(--muted-gold);
    margin-top: 0.25rem;
    flex-shrink: 0;
}

/* ===== GOVERNANCE FRAMEWORK ===== */
.governance-framework {
    background: var(--soft-grey);
}

.framework-diagram {
    max-width: 1000px;
    margin: 0 auto;
    background: var(--white);
    border: 2px solid var(--deep-institutional-blue);
    border-radius: 8px;
    padding: var(--spacing-lg);
}

.framework-level {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.framework-box {
    background: var(--soft-grey);
    border: 2px solid var(--deep-institutional-blue);
    border-radius: 6px;
    padding: var(--spacing-md);
    text-align: center;
    flex: 1;
    max-width: 350px;
}

.framework-box i {
    font-size: 2rem;
    color: var(--deep-institutional-blue);
    margin-bottom: var(--spacing-sm);
}

.framework-box h4 {
    font-size: 1.1rem;
    color: var(--deep-institutional-blue);
    margin-bottom: 0.5rem;
}

.framework-box p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0;
}

.framework-arrow {
    text-align: center;
    margin: var(--spacing-sm) 0;
}

.framework-arrow i {
    font-size: 2rem;
    color: var(--muted-gold);
}

/* ===== DISCLAIMER SECTION ===== */
.disclaimer-section {
    background: var(--midnight-navy);
    color: var(--white);
    padding: var(--spacing-lg) 0;
}

.disclaimer-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.disclaimer-icon {
    font-size: 3rem;
    color: var(--muted-gold);
    margin-bottom: var(--spacing-sm);
}

.disclaimer-title {
    font-size: 1.75rem;
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.disclaimer-text {
    font-size: 0.95rem;
    line-height: 1.8;
    opacity: 0.9;
    margin-bottom: var(--spacing-sm);
}

.disclaimer-list {
    list-style: none;
    margin-top: var(--spacing-md);
    text-align: left;
}

.disclaimer-list li {
    padding: 0.5rem 0;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.9rem;
}

.disclaimer-list i {
    color: var(--muted-gold);
    margin-top: 0.25rem;
    flex-shrink: 0;
}

/* ===== FOOTER - INSTITUTIONAL ===== */
.footer {
    background: var(--deep-institutional-blue);
    color: var(--white);
    padding: var(--spacing-lg) 0 var(--spacing-md) 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-section h3 {
    color: var(--white);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.footer-text {
    font-size: 0.95rem;
    line-height: 1.7;
    opacity: 0.9;
    margin-bottom: var(--spacing-sm);
}

.footer-link {
    display: block;
    color: var(--white);
    opacity: 0.9;
    margin-bottom: 0.5rem;
    transition: all var(--transition-fast);
}

.footer-link:hover {
    opacity: 1;
    color: var(--muted-gold);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    opacity: 0.8;
}

.footer-bottom p {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
    .hero-headline {
        font-size: 2.75rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero-headline {
        font-size: 2rem;
    }
    
    .hero-subheadline {
        font-size: 1.1rem;
    }
    
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.5rem; }
    
    .section {
        padding: var(--spacing-lg) 0;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .framework-level {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero-headline {
        font-size: 1.75rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
}

/* ===== UTILITY CLASSES ===== */
.text-center {
    text-align: center;
}

.text-primary {
    color: var(--deep-institutional-blue);
}

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

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeIn 0.6s ease-out;
}