/* ===========================
   Field Agent Website Styles
   =========================== */

/* CSS Variables */
:root {
    /* Colors - Professional construction tech palette */
    --color-primary: #FF6B35;        /* Bold orange - construction/action */
    --color-primary-dark: #E55A2B;
    --color-secondary: #1A2332;      /* Deep blue-gray - professional */
    --color-accent: #4ECDC4;         /* Teal - modern tech */
    --color-text: #2D3748;
    --color-text-light: #4A5568;
    --color-bg: #FFFFFF;
    --color-bg-light: #F7FAFC;
    --color-bg-dark: #EDF2F7;
    --color-border: #E2E8F0;
    --color-success: #48BB78;
    --color-warning: #ECC94B;

    /* Typography */
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Courier New', monospace;

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

    /* Layout */
    --container-width: 1200px;
    --container-narrow: 800px;
    --border-radius: 8px;
    --border-radius-lg: 12px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
    font-size: 1.5rem;
}

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

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

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

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

.container-narrow {
    max-width: var(--container-narrow);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Navigation */
.nav {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    padding: var(--spacing-sm) 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-secondary);
}

.logo-icon {
    font-size: 1.5rem;
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-links a {
    color: var(--color-text);
    font-weight: 500;
    transition: color 0.2s ease;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    font-family: var(--font-sans);
    font-size: 1rem;
}

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

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

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

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

.btn-secondary-small {
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--color-secondary);
    color: white;
}

.btn-text {
    background: transparent;
    color: var(--color-primary);
    padding: var(--spacing-sm) 0;
}

.btn-text:hover {
    color: var(--color-primary-dark);
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.125rem;
}

/* Hero Section */
.hero {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(135deg, #F7FAFC 0%, #EDF2F7 100%);
}

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

.hero-headline {
    margin-bottom: var(--spacing-md);
}

.hero-subheadline {
    font-size: 1.25rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
    line-height: 1.5;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* Mockup Card */
.mockup-card {
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.mockup-header {
    background: var(--color-secondary);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.mockup-dots {
    display: flex;
    gap: var(--spacing-xs);
}

.mockup-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
}

.mockup-title {
    font-weight: 600;
    font-size: 0.875rem;
}

.mockup-content {
    padding: var(--spacing-lg);
}

.report-item {
    border-bottom: 1px solid var(--color-border);
    padding-bottom: var(--spacing-md);
}

.project-name {
    font-weight: 600;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
    font-size: 1.125rem;
}

.vendor-updates {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.update-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xs) 0;
}

.vendor {
    font-size: 0.95rem;
    color: var(--color-text);
}

.status {
    font-size: 0.875rem;
    font-weight: 600;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
}

.status-green {
    background: #E6FFFA;
    color: #047857;
}

.status-yellow {
    background: #FFFBEB;
    color: #B45309;
}

/* Problem Section */
.problem {
    padding: var(--spacing-xxl) 0;
    background: white;
}

.problem h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.problem-content {
    font-size: 1.125rem;
    line-height: 1.7;
}

.emphasis {
    font-weight: 600;
    color: var(--color-secondary);
    font-size: 1.25rem;
}

/* Solution Section */
.solution {
    padding: var(--spacing-xxl) 0;
    background: var(--color-bg-light);
}

.solution h2 {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.section-intro {
    text-align: center;
    font-size: 1.125rem;
    max-width: 800px;
    margin: 0 auto var(--spacing-md);
}

.how-it-works {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xxl);
}

.step {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.step-number {
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content h3 {
    margin-bottom: var(--spacing-xs);
}

/* Benefits Section */
.benefits {
    padding: var(--spacing-xxl) 0;
    background: white;
}

.benefits h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.benefit-card {
    padding: var(--spacing-lg);
    background: var(--color-bg-light);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--color-border);
    transition: all 0.3s ease;
}

.benefit-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.benefit-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.benefit-card h3 {
    margin-bottom: var(--spacing-sm);
    font-size: 1.25rem;
}

/* FAQ Section */
.faq {
    padding: var(--spacing-xxl) 0;
    background: var(--color-bg-light);
}

.faq h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.faq-items {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.faq-item {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--color-border);
}

.faq-item h3 {
    color: var(--color-secondary);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

/* CTA Section */
.cta-section {
    padding: var(--spacing-xxl) 0;
    background: var(--color-secondary);
    color: white;
    text-align: center;
}

.cta-section h2,
.cta-section p {
    color: white;
}

.cta-section h2 {
    margin-bottom: var(--spacing-md);
}

.cta-section p {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xl);
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* Footer */
.footer {
    background: var(--color-secondary);
    color: white;
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

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

.footer-brand {
    max-width: 400px;
}

.footer-brand .logo {
    margin-bottom: var(--spacing-sm);
}

.footer-brand .logo-text {
    color: white;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.footer-column h4 {
    color: white;
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
}

.footer-column a {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-xs);
    transition: color 0.2s ease;
}

.footer-column a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 968px) {
    .hero .container {
        grid-template-columns: 1fr;
    }

    .hero-visual {
        order: -1;
    }

    .nav-links {
        gap: var(--spacing-md);
        font-size: 0.9rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .hero-cta {
        flex-direction: column;
    }

    .hero-cta .btn {
        width: 100%;
    }

    .nav-links a:not(.btn-secondary-small) {
        display: none;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .cta-buttons .btn {
        width: 100%;
    }

    .how-it-works {
        grid-template-columns: 1fr;
    }

    .benefits-grid {
        grid-template-columns: 1fr;
    }
}