/* METRYX Design System */
:root {
    /* Brand Colors */
    --color-primary: #0f172a;
    /* Deep Navy Blue */
    --color-primary-light: #1e293b;
    /* Lighter Navy */
    --color-accent: #3b82f6;
    /* Bright Blue for CTAs/Links */
    --color-text-main: #334155;
    /* Dark Grey for text */
    --color-text-light: #64748b;
    /* Medium Grey for subtitles */
    --color-bg-light: #f8fafc;
    /* Very light grey for backgrounds */
    --color-white: #ffffff;
    --color-border: #e2e8f0;

    /* Typography */
    --font-primary: 'Inter', system-ui, -apple-system, sans-serif;

    /* Spacing System (8pt grid basis) */
    --spacing-xs: 0.5rem;
    /* 8px */
    --spacing-sm: 1rem;
    /* 16px */
    --spacing-md: 1.5rem;
    /* 24px */
    --spacing-lg: 2rem;
    /* 32px */
    --spacing-xl: 3rem;
    /* 48px */
    --spacing-xxl: 5rem;
    /* 80px */

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
}

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

body {
    font-family: var(--font-primary);
    color: var(--color-text-main);
    line-height: 1.6;
    background-color: var(--color-white);
    background-image: linear-gradient(135deg, #f8fafc 0%, #eef2ff 100%);
    background-attachment: fixed;
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--color-primary);
    line-height: 1.2;
    font-weight: 700;
}

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

ul {
    list-style: none;
}

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

/* Layout Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

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

.grid {
    display: grid;
    gap: var(--spacing-lg);
}

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

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

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 768px) {

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
}

/* Button Styles */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    /* Classic corporate rounded corners */
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    border: 1px solid transparent;
}

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

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

.btn-outline {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background-color: transparent;
}

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

/* Navbar */
.navbar {
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: var(--spacing-sm) 0;
}

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

.logo img {
    height: 40px;
    /* Adjust based on actual logo aspect ratio */
}

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

.nav-links a {
    font-weight: 500;
    color: var(--color-text-main);
    font-size: 0.95rem;
}

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

/* Dropdown */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.2s ease;
    border-radius: 4px;
    padding: 0.5rem 0;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu a {
    display: block;
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.dropdown-menu a:hover {
    background-color: var(--color-bg-light);
    color: var(--color-accent);
}

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

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

.footer-links a {
    color: #94a3b8;
    /* Muted text for footer links */
    margin-left: var(--spacing-lg);
}

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

/* Hamburger Menu (Mobile) */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-primary);
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-white);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-lg);
        text-align: center;
    }

    .nav-links.active {
        display: flex;
    }

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

    .dropdown-menu {
        position: static;
        box-shadow: none;
        border: none;
        background: var(--color-bg-light);
        display: none;
        padding-left: 0;
    }

    .dropdown:hover .dropdown-menu {
        display: block;
        /* Simple toggle for now */
        transform: none;
        opacity: 1;
        visibility: visible;
    }
}
/* Visual Breaks */
.visual-break {
    position: relative;
    padding: 6rem 0;
    color: var(--color-white);
    text-align: center;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.visual-break::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.85); /* Dark Navy Overlay */
    z-index: 1;
}

.visual-break .container {
    position: relative;
    z-index: 2;
}

.visual-break h2 {
    color: var(--color-white);
    font-size: 2.25rem;
    font-weight: 600;
    max-width: 800px;
    margin: 0 auto;
    letter-spacing: -0.02em;
    line-height: 1.3;
}

@media (max-width: 768px) {
    .visual-break h2 {
        font-size: 1.75rem;
    }
}

/* Strategic CTA for RGM */
.btn-strategic {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-accent);
    font-weight: 600;
    font-size: 1rem;
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
}

.btn-strategic:hover {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}