:root {
    /* Brand Colors */
    --color-navy-900: #0B1120;
    /* Deepest Navy - Backgrounds */
    --color-navy-800: #1E293B;
    /* Lighter Navy - Cards/Sections */
    --color-navy-700: #334155;
    /* Borders/Accents */

    --color-slate-500: #64748B;
    /* Subtext */
    --color-slate-300: #CBD5E1;
    /* Light Text */
    --color-white: #F8FAFC;
    /* Headings */

    --color-primary: #00C853;
    /* Compliance Green - Primary Action */
    --color-primary-hover: #00E676;

    --color-accent: #EAB308;
    /* Safety Yellow - Highlights/Alerts */

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;

    /* Typography */
    --font-heading: 'Oswald', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--color-white);
    color: var(--color-navy-900);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.2s ease;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

/* Utilities */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    border: none;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-navy-900);
}

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-1px);
}

.btn-outline {
    border: 2px solid var(--color-navy-900);
    color: var(--color-navy-900);
    background: transparent;
}

.btn-outline:hover {
    background-color: var(--color-navy-900);
    color: var(--color-white);
}

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

.text-center {
    text-align: center;
}

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

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

html {
    scroll-padding-top: 100px;
    /* Fix for sticky header covering anchors */
}

.construction-banner {
    background-color: var(--color-accent);
    color: var(--color-navy-900);
    text-align: center;
    padding: 6px;
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Header */
.site-header {
    background-color: var(--color-navy-900);
    padding: 0;
    position: sticky;
    top: 30px;
    /* Stick below construction banner */
    z-index: 1002;
    /* Above banner */
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    height: 80px;
    overflow: visible;
}

.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.site-header .logo {
    display: flex;
    align-items: center;
    height: 100%;
    /* Ensure it doesn't shrink */
    flex-shrink: 0;
    margin-right: 2rem;
}

.site-header .logo img {
    width: auto;
    height: auto;
    max-height: 48px;
    object-fit: contain;
    object-position: left center;
}

.main-nav ul {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.main-nav a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-slate-300);
}

.main-nav a:hover {
    color: var(--color-white);
}

.mobile-menu-toggle {
    display: none;
    color: var(--color-white);
    font-size: 1.5rem;
    cursor: pointer;
    background: none;
    border: none;
}

/* Hero Section */
.hero {
    background-color: var(--color-navy-900);
    color: var(--color-white);
    padding: 2rem 0 var(--spacing-lg);
    position: relative;
    overflow: hidden;
    min-height: 95vh;
}

.hero-content {
    max-width: 800px;
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-md);
}

.hero p {
    font-size: 1.25rem;
    color: var(--color-slate-300);
    margin-bottom: var(--spacing-md);
    max-width: 600px;
}

.hero-bg {
    position: absolute;
    top: 0;
    right: 0;
    width: 60%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
    z-index: 1;
    mask-image: linear-gradient(to right, transparent, black);
    -webkit-mask-image: linear-gradient(to right, transparent, black);
}

/* Features Grid */
.features {
    background-color: var(--color-white);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--color-navy-900);
    margin-bottom: var(--spacing-sm);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-md);
}

.feature-card {
    background: #fff;
    border: 1px solid #e2e8f0;
    padding: var(--spacing-md);
    border-radius: 8px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    border-color: var(--color-primary);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background-color: var(--color-navy-900);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    margin-bottom: var(--spacing-sm);
    font-size: 1.5rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-navy-900);
}

.feature-card p {
    color: var(--color-slate-500);
    font-size: 0.95rem;
}

/* Weighbridge Section (Dark) */
.weighbridge-section {
    background-color: var(--color-navy-900);
    color: var(--color-white);
    overflow: hidden;
}

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

.weighbridge-content {
    flex: 1;
}

.weighbridge-image {
    flex: 1;
    position: relative;
}

.weighbridge-image img {
    border-radius: 8px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--color-navy-700);
}

.weighbridge-content h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.weighbridge-content p {
    color: var(--color-slate-300);
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
}

.feature-list li {
    display: flex;
    align-items: flex-start;
    /* Aligns checkmark to top for multi-line text */
    margin-bottom: var(--spacing-xs);
    color: var(--color-slate-300);
}

.feature-list li::before {
    content: "✓";
    color: var(--color-primary);
    margin-right: 10px;
    font-weight: bold;
}

/* How it Works */
.how-it-works {
    background-color: #f1f5f9;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.step-card {
    background: white;
    padding: var(--spacing-md);
    border-radius: 8px;
    border: 1px solid #e2e8f0;
    position: relative;
}

.step-number {
    font-family: var(--font-heading);
    font-size: 3rem;
    color: var(--color-slate-300);
    opacity: 0.5;
    position: absolute;
    top: 10px;
    right: 20px;
}

.step-card h3 {
    margin-top: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    color: var(--color-navy-900);
}

/* Pricing Page Styles */
.pricing-hero {
    text-align: center;
    padding: var(--spacing-lg) 0;
    background-color: var(--color-navy-900);
    color: var(--color-white);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: -40px;
    /* Overlap hero */
    position: relative;
    z-index: 10;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.pricing-card {
    background: #fff;
    padding: var(--spacing-md);
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    border: 1px solid #e2e8f0;
    display: flex;
    flex-direction: column;
}

.pricing-card.featured {
    border: 2px solid var(--color-primary);
    transform: scale(1.05);
    z-index: 11;
}

.pricing-header {
    text-align: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid #e2e8f0;
}

.price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-navy-900);
    font-family: var(--font-heading);
}

.price span {
    font-size: 1rem;
    color: var(--color-slate-500);
    font-weight: 400;
}

.plan-features {
    margin-bottom: var(--spacing-md);
    flex-grow: 1;
}

.plan-features li {
    margin-bottom: 10px;
    font-size: 0.9rem;
    color: var(--color-slate-500);
    display: flex;
    align-items: center;
}

.plan-features li::before {
    content: "•";
    color: var(--color-primary);
    font-size: 1.5rem;
    line-height: 0;
    margin-right: 10px;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(to right, var(--color-navy-900), var(--color-navy-800));
    color: var(--color-white);
    text-align: center;
}

.cta-form {
    display: flex;
    gap: 10px;
    max-width: 500px;
    margin: var(--spacing-md) auto 0;
}

.cta-form input {
    flex: 1;
    padding: 12px;
    border-radius: 4px;
    border: 1px solid var(--color-slate-500);
    background: var(--color-white);
}

/* Footer */
.site-footer {
    background-color: var(--color-navy-900);
    color: var(--color-slate-300);
    padding: var(--spacing-lg) 0;
    border-top: 1px solid var(--color-navy-800);
    font-size: 0.9rem;
}

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

.footer-col h4 {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-heading);
}

.footer-col ul li {
    margin-bottom: 8px;
}

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

/* Responsive */
@media (max-width: 768px) {
    .main-nav {
        display: none;
        /* Hidden by default on mobile */
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--color-navy-900);
        padding: var(--spacing-md);
        border-bottom: 1px solid var(--color-navy-800);
    }

    .main-nav.active {
        display: block;
    }

    .main-nav ul {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: flex-start;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero-bg {
        width: 100%;
        opacity: 0.2;
    }

    .weighbridge-container {
        flex-direction: column;
    }

    .pricing-card.featured {
        transform: none;
    }

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

/* Reality Check Flow */
.reality-flow {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.reality-card {
    flex: 1;
    min-width: 220px;
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
}

.reality-card h3 {
    margin-top: 0;
    margin-bottom: 0.5rem;
    font-family: var(--font-heading);
}

.reality-card.faded {
    opacity: 0.3;
    filter: grayscale(100%);
    border-color: #e2e8f0;
}

.reality-card.faded h3 {
    color: #64748b;
}

.reality-card.faded p {
    color: #94a3b8;
    margin: 0;
}

.reality-card.highlight {
    flex: 1.2;
    min-width: 280px;
    border: 4px solid var(--color-primary);
    background: #ffffff;
    box-shadow: 0 0 0 6px rgba(0, 200, 83, 0.1), 0 20px 40px rgba(0, 0, 0, 0.1);
    transform: scale(1.05);
    position: relative;
    z-index: 10;
}

.reality-card.highlight h3 {
    color: var(--color-primary);
    font-size: 1.6rem;
    font-weight: 800;
    margin-bottom: 5px;
    line-height: 1.2;
}

.reality-arrow {
    font-size: 2rem;
    color: #cbd5e1;
}

.reality-arrow.bold {
    font-size: 3.5rem;
    color: var(--color-navy-900);
    font-weight: 900;
    margin: 0 10px;
    line-height: 1;
}

@media (max-width: 768px) {
    .reality-flow {
        flex-direction: column;
        gap: 10px;
    }

    .reality-arrow {
        transform: rotate(90deg);
        margin: 10px 0;
    }

    .reality-card {
        width: 100%;
        min-width: auto;
    }

    .reality-card.highlight {
        transform: scale(1);
        width: 100%;
        margin-top: 10px;
    }
}