/* CSS Variables */
:root {
    --primary-navy: #12296B;
    --secondary-blue: #2E4DA1;
    --accent-blue: #5369AE;
    --accent-gold: #C58B07;
    --dark-text: #0B101D;
    --bg-light: #DFE2E9;
    --white: #FFFFFF;
    --shadow: rgba(18, 41, 107, 0.1);
    --shadow-hover: rgba(18, 41, 107, 0.2);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--dark-text);
    background-color: var(--white);
    line-height: 1.7;
    overflow-x: hidden;
    font-weight: 400;
    letter-spacing: 0.01em;
}

/* Responsive Images - Global */
img {
    max-width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

/* Logo images should maintain aspect ratio */
.logo-img,
.logo-img-footer {
    width: auto;
    height: auto;
    object-fit: contain;
}

/* Hero images */
.hero-image-item img,
.coverage-image img,
.service-expanded-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* About section images */
.about-home-center img,
.homepage-about-center img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Lazy loading images - Modern browsers handle lazy loading natively */
/* Images are visible by default, browser handles lazy loading */
img[loading="lazy"] {
    opacity: 1;
    transition: opacity 0.3s ease;
}

/* Ensure all images are visible */
img {
    opacity: 1;
}

/* Typography - All Headings */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Instrument Sans', sans-serif;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 clamp(1rem, 4vw, 2rem);
    width: 100%;
}

/* Responsive container adjustments */
@media (min-width: 1400px) {
    .container:not(.nav-container) {
        max-width: 1320px;
    }
}

@media (max-width: 1399px) and (min-width: 1024px) {
    .container:not(.nav-container) {
        max-width: 95%;
        padding: 0 clamp(2rem, 4vw, 3rem);
    }
}

@media (max-width: 1023px) and (min-width: 768px) {
    .container:not(.nav-container) {
        max-width: 90%;
        padding: 0 clamp(1.5rem, 4vw, 2rem);
    }
}

@media (max-width: 767px) {
    .container:not(.nav-container) {
        max-width: 95%;
        padding: 0 1.5rem;
    }
}

@media (max-width: 480px) {
    .container:not(.nav-container) {
        padding: 0 1rem;
    }
}

/* Section Spacing System - Responsive */
section {
    padding: clamp(3rem, 8vw, 6rem) 0;
}

/* Standard Section Header - Used across all pages */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
    position: relative;
}

.section-header h2 {
    font-family: 'Instrument Sans', sans-serif;
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    color: var(--dark-text);
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
    text-align: center;
}

.highlight-text {
    color: var(--secondary-blue);
    position: relative;
}

.section-header p {
    font-size: 1.125rem;
    color: var(--dark-text);
    opacity: 0.75;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.7;
    font-family: 'DM Sans', sans-serif;
}

/* Standard Page Header - Used on all sub-pages */
.page-header {
    background: linear-gradient(135deg, var(--primary-navy) 0%, var(--secondary-blue) 100%);
    padding: 5rem 0 4rem;
    text-align: center;
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.page-header .container {
    position: relative;
    z-index: 1;
}

.page-header h1 {
    font-family: 'Instrument Sans', sans-serif;
    font-size: clamp(2.25rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
}

.page-header p {
    font-size: clamp(1rem, 2vw, 1.25rem);
    opacity: 0.95;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.7;
    font-family: 'DM Sans', sans-serif;
}

/* Standard Section Backgrounds */
.section-white {
    background: var(--white);
}

.section-light {
    background: var(--bg-light);
}

.section-gradient {
    background: linear-gradient(135deg, var(--primary-navy) 0%, var(--secondary-blue) 100%);
    color: var(--white);
}