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

:root {
    /* Color Palette - Industrial/Professional */
    --primary-dark: #1a2332;
    --primary-blue: #2c3e50;
    --steel-gray: #4a5568;
    --light-gray: #718096;
    --accent-blue: #3182ce;
    --accent-cyan: #00b4d8;
    --white: #ffffff;
    --off-white: #f7fafc;
    --border-color: #e2e8f0;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

    /* Breakpoints */
    --mobile: 320px;
    --tablet: 768px;
    --desktop: 1024px;
    --max-width: 1200px;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-weight: var(--font-weight-normal);
    line-height: 1.6;
    color: var(--steel-gray);
    background-color: var(--off-white);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Container */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* Header */
.header {
    background-color: var(--white);
    border-bottom: 2px solid var(--border-color);
    padding: var(--spacing-lg) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 4px rgba(26, 35, 50, 0.1);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-banner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    text-align: center;
    width: 100%;
}

.logo-image {
    width: 100%;
    max-width: 200px;
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 2px 4px rgba(26, 35, 50, 0.1));
}

.tagline {
    font-size: 1rem;
    font-weight: var(--font-weight-medium);
    color: var(--accent-blue);
    margin: 0;
    letter-spacing: 0.5px;
}

/* Main Content */
main {
    flex: 1;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-blue) 100%);
    color: var(--white);
    padding: var(--spacing-2xl) 0;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-lg);
    line-height: 1.3;
}

.hero-description {
    font-size: 1.125rem;
    font-weight: var(--font-weight-normal);
    line-height: 1.7;
    opacity: 0.95;
}

/* Core Values Section */
.core-values {
    padding: var(--spacing-2xl) 0;
    background-color: var(--white);
}

.section-title {
    font-size: 2.25rem;
    font-weight: var(--font-weight-bold);
    color: var(--primary-dark);
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.values-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.value-card {
    background-color: var(--off-white);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: var(--spacing-lg);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.value-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--accent-blue) 0%, var(--accent-cyan) 100%);
    transform: scaleY(0);
    transform-origin: bottom;
    transition: transform 0.3s ease;
}

.value-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(26, 35, 50, 0.15);
    border-color: var(--accent-blue);
}

.value-card:hover::before {
    transform: scaleY(1);
}

.value-title {
    font-size: 1.375rem;
    font-weight: var(--font-weight-semibold);
    color: var(--primary-dark);
    margin-bottom: var(--spacing-sm);
}

.value-description {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--steel-gray);
}

/* Footer */
.footer {
    background-color: var(--primary-dark);
    color: var(--white);
    padding: var(--spacing-lg) 0;
    margin-top: auto;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    text-align: center;
}

.contact-placeholder {
    font-size: 0.95rem;
    color: var(--light-gray);
}

.copyright {
    font-size: 0.875rem;
    color: var(--light-gray);
}

/* Responsive Design - Mobile First */

/* Small Mobile (320px+) - Base styles above */

/* Large Mobile (480px+) */
@media (min-width: 480px) {
    .logo-image {
        max-width: 250px;
    }

    .tagline {
        font-size: 1.125rem;
    }

    .hero-title {
        font-size: 2.25rem;
    }

    .hero-description {
        font-size: 1.2rem;
    }
}

/* Tablet (768px+) */
@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-lg);
    }

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

    .logo-section {
        gap: var(--spacing-lg);
        text-align: left;
    }

    .hero {
        padding: var(--spacing-2xl) 0 4rem;
    }

    .hero-title {
        font-size: 2.75rem;
    }

    .hero-description {
        font-size: 1.25rem;
    }

    .values-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-xl);
    }

    .value-card {
        padding: var(--spacing-xl);
    }

    .footer-content {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }

    .logo-image {
        max-width: 300px;
    }

    .tagline {
        font-size: 1.25rem;
        letter-spacing: 0.75px;
    }
}

/* Desktop (1024px+) */
@media (min-width: 1024px) {
    .container {
        padding: 0 var(--spacing-xl);
    }

    .hero {
        padding: 5rem 0;
    }

    .hero-title {
        font-size: 3.25rem;
    }

    .hero-description {
        font-size: 1.375rem;
    }

    .section-title {
        font-size: 2.5rem;
    }

    .values-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .value-title {
        font-size: 1.5rem;
    }

    .value-description {
        font-size: 1.0625rem;
    }

    .logo-image {
        max-width: 350px;
    }

    .tagline {
        font-size: 1.375rem;
        letter-spacing: 1px;
    }
}

/* Large Desktop (1200px+) */
@media (min-width: 1200px) {
    .hero-title {
        font-size: 3.5rem;
    }

    .values-grid {
        gap: 2.5rem;
    }

    .logo-image {
        max-width: 400px;
    }

    .tagline {
        font-size: 1.5rem;
    }
}

/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .logo {
        image-rendering: crisp-edges;
    }
}

/* Focus and Accessibility */
*:focus {
    outline: 2px solid var(--accent-blue);
    outline-offset: 2px;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .value-card,
    .value-card::before {
        transition: none;
    }

    .value-card:hover {
        transform: none;
    }
}

/* Print Styles */
@media print {
    .header {
        position: static;
        box-shadow: none;
    }

    .hero {
        background: var(--primary-dark);
        -webkit-print-color-adjust: exact;
        color-adjust: exact;
    }

    .value-card {
        break-inside: avoid;
        page-break-inside: avoid;
    }
}