/* LucidPath Digital - Main Stylesheet */
/* Version 1.0 | Based on LucidPath Digital Style Guide */

/* ============================================
   CSS VARIABLES - BRAND COLORS
   ============================================ */
:root {
    --color-primary: #1F4788;
    --color-secondary: #2E5C8A;
    --color-accent-blue: #4A7BA7;
    --color-accent-orange: #F7931E;
    --color-bg-light: #E8F0F7;
    --color-text: #333333;
    --color-text-secondary: #666666;
    --color-border: #CCCCCC;
    --color-white: #FFFFFF;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
    --spacing-unit: 8px;
}

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

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.5;
    color: var(--color-text);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1 {
    font-size: 48px;
    line-height: 1.2;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 24px;
}

h2 {
    font-size: 32px;
    line-height: 1.25;
    font-weight: 700;
    color: var(--color-secondary);
    margin-bottom: 16px;
}

h3 {
    font-size: 24px;
    line-height: 1.4;
    font-weight: 600;
    color: var(--color-accent-blue);
    margin-bottom: 12px;
}

h4 {
    font-size: 20px;
    line-height: 1.4;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 12px;
}

p {
    margin-bottom: 16px;
}

a {
    color: var(--color-accent-blue);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--color-primary);
}

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
    background: var(--color-white);
    padding: 20px 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 32px;
    align-items: center;
}

.nav-link {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-link:hover {
    color: var(--color-primary);
}

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

/* ============================================
   BUTTONS
   ============================================ */
.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
    padding: 12px 24px;
    border-radius: 6px;
    border: none;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: all 0.2s;
}

.btn-primary:hover {
    background: #183a6f;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(31, 71, 136, 0.3);
    color: var(--color-white);
}

.btn-secondary {
    background: transparent;
    color: var(--color-primary);
    padding: 12px 24px;
    border-radius: 6px;
    border: 2px solid var(--color-primary);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: all 0.2s;
}

.btn-secondary:hover {
    background: var(--color-bg-light);
    color: var(--color-primary);
}

.btn-primary-white {
    background: var(--color-white);
    color: var(--color-primary);
}

.btn-primary-white:hover {
    background: var(--color-bg-light);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.3);
    color: var(--color-primary);
}

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

.btn-secondary-white:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    padding: 120px 24px;
    text-align: center;
}

.hero-container {
    max-width: 900px;
    margin: 0 auto;
}

.hero h1 {
    color: var(--color-white);
}

.hero p {
    font-size: 20px;
    line-height: 1.6;
    color: var(--color-white);
    margin-bottom: 32px;
    opacity: 0.95;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   LAYOUT CONTAINERS
   ============================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 80px 0;
}

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

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 64px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--color-text-secondary);
    margin-top: 8px;
}

/* ============================================
   CARDS & GRIDS
   ============================================ */
.value-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-top: 48px;
}

.value-card {
    background: var(--color-white);
    padding: 32px;
    border-radius: 8px;
    border: 1px solid var(--color-border);
    transition: all 0.3s;
}

.value-card:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,0.1);
    transform: translateY(-2px);
}

.value-icon {
    font-size: 40px;
    margin-bottom: 16px;
    display: block;
}

.value-card h3 {
    color: var(--color-primary);
    margin-bottom: 12px;
}

.value-card p {
    color: var(--color-text-secondary);
    margin-bottom: 0;
    font-size: 15px;
}

/* ============================================
   SERVICES
   ============================================ */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 24px;
    margin-top: 48px;
}

.service-card {
    background: var(--color-white);
    padding: 32px;
    border-radius: 8px;
    border-left: 4px solid var(--color-primary);
    transition: all 0.3s;
}

.service-card:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,0.1);
    transform: translateX(4px);
}

.service-number {
    display: inline-block;
    width: 32px;
    height: 32px;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
    text-align: center;
    line-height: 32px;
    font-weight: 700;
    margin-bottom: 16px;
}

.service-card h3 {
    color: var(--color-primary);
    font-size: 20px;
    margin-bottom: 12px;
}

.service-card ul {
    list-style: none;
    margin-top: 16px;
}

.service-card li {
    padding: 6px 0;
    padding-left: 24px;
    position: relative;
    color: var(--color-text-secondary);
    font-size: 15px;
}

.service-card li:before {
    content: "•";
    color: var(--color-accent-orange);
    font-weight: bold;
    position: absolute;
    left: 8px;
}

/* ============================================
   STATS SECTION
   ============================================ */
.stats {
    background: var(--color-primary);
    padding: 80px 24px;
    text-align: center;
}

.stats h2 {
    color: var(--color-white);
    margin-bottom: 48px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 48px;
    max-width: 1000px;
    margin: 0 auto;
}

.stat-item {
    color: var(--color-white);
}

.stat-number {
    font-size: 56px;
    font-weight: 700;
    margin-bottom: 8px;
    display: block;
    line-height: 1;
}

.stat-label {
    font-size: 18px;
    opacity: 0.9;
}

/* ============================================
   CASE STUDIES
   ============================================ */
.case-study-featured {
    background: var(--color-white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0,0,0,0.1);
    margin-top: 48px;
}

.case-study-content {
    padding: 48px;
}

.case-study-tag {
    display: inline-block;
    background: var(--color-bg-light);
    color: var(--color-primary);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
}

.case-study-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 32px;
    margin-top: 32px;
    padding-top: 32px;
    border-top: 1px solid var(--color-border);
}

.metric {
    text-align: center;
}

.metric-value {
    font-size: 36px;
    font-weight: 700;
    color: var(--color-primary);
    display: block;
    margin-bottom: 4px;
}

.metric-label {
    font-size: 14px;
    color: var(--color-text-secondary);
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-accent-blue) 100%);
    padding: 80px 24px;
    text-align: center;
    color: var(--color-white);
}

.cta-section h2 {
    color: var(--color-white);
    margin-bottom: 16px;
}

.cta-section p {
    font-size: 18px;
    opacity: 0.95;
    margin-bottom: 32px;
}

/* ============================================
   FORMS
   ============================================ */
.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--color-text);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-family: var(--font-body);
    font-size: 16px;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    border-width: 2px;
    padding: 11px; /* Compensate for thicker border */
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.form-required {
    color: var(--color-accent-orange);
}

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.form-checkbox input {
    width: auto;
    margin-top: 4px;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--color-text);
    color: var(--color-white);
    padding: 64px 24px 32px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    max-width: 1200px;
    margin: 0 auto 48px;
}

.footer h4 {
    color: var(--color-white);
    margin-bottom: 16px;
    font-size: 18px;
}

.footer p {
    color: rgba(255,255,255,0.8);
    font-size: 15px;
    line-height: 1.6;
}

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

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: color 0.2s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 32px;
    border-top: 1px solid rgba(255,255,255,0.2);
    color: rgba(255,255,255,0.6);
    font-size: 14px;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 768px) {
    h1 {
        font-size: 36px;
    }

    h2 {
        font-size: 28px;
    }

    h3 {
        font-size: 20px;
    }

    .nav-menu {
        display: none; /* Add mobile menu in production */
    }

    .hero {
        padding: 80px 24px;
    }

    .section {
        padding: 60px 0;
    }

    .value-grid,
    .services-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }

    .stat-number {
        font-size: 40px;
    }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */
.btn-primary:focus,
.btn-secondary:focus,
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: 2px solid var(--color-accent-orange);
    outline-offset: 2px;
}

.nav-link:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 4px;
    border-radius: 2px;
}

/* Skip to main content link for screen readers */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary);
    color: var(--color-white);
    padding: 8px;
    text-decoration: none;
    z-index: 100;
}

.skip-link:focus {
    top: 0;
}

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

.mt-1 { margin-top: calc(var(--spacing-unit) * 1); }
.mt-2 { margin-top: calc(var(--spacing-unit) * 2); }
.mt-3 { margin-top: calc(var(--spacing-unit) * 3); }
.mt-4 { margin-top: calc(var(--spacing-unit) * 4); }

.mb-1 { margin-bottom: calc(var(--spacing-unit) * 1); }
.mb-2 { margin-bottom: calc(var(--spacing-unit) * 2); }
.mb-3 { margin-bottom: calc(var(--spacing-unit) * 3); }
.mb-4 { margin-bottom: calc(var(--spacing-unit) * 4); }