/**
 * Main Stylesheet
 * Patriot Pro Build Services
 */

/* ========================================
   CSS Variables - Color Palette
   ======================================== */
:root {
    /* Primary Colors - Patriotic Theme */
    --color-navy: #1a365d;
    --color-navy-light: #2d4a7c;
    --color-red: #bf0a30;
    --color-red-dark: #8b0000;
    --color-white: #ffffff;
    --color-offwhite: #f5f5f5;

    /* Neutral Colors */
    --color-gray-100: #f7f7f7;
    --color-gray-200: #e5e5e5;
    --color-gray-300: #d4d4d4;
    --color-gray-500: #737373;
    --color-gray-700: #404040;
    --color-gray-900: #171717;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;

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

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-gray-900);
    background-color: var(--color-white);
}

a {
    color: var(--color-navy);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

img {
    max-width: 100%;
    height: auto;
}

ul, ol {
    list-style: none;
}

/* ========================================
   Header & Navigation
   ======================================== */
.site-header {
    background: var(--color-navy);
    color: var(--color-white);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-md) var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    color: var(--color-white);
    font-weight: bold;
    font-size: var(--font-size-xl);
}

.logo:hover {
    color: var(--color-white);
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.logo-patriot {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-red);
}

.logo-pro {
    font-size: var(--font-size-base);
    font-weight: 600;
}

.logo-services {
    font-size: var(--font-size-sm);
    font-weight: 400;
    opacity: 0.8;
}

.logo-img {
    height: 50px;
    width: auto;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-xl);
}

.nav-menu a {
    color: var(--color-white);
    font-weight: 500;
    padding: var(--spacing-sm) 0;
    border-bottom: 2px solid transparent;
    transition: border-color var(--transition-fast);
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--color-white);
    border-bottom-color: var(--color-red);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-white);
    transition: var(--transition-fast);
}

/* ========================================
   Main Content
   ======================================== */
main {
    min-height: calc(100vh - 200px);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-xl);
}

.section {
    padding: var(--spacing-2xl) 0;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-light) 100%);
    color: var(--color-white);
    padding: var(--spacing-2xl) var(--spacing-xl);
    text-align: center;
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero h1 {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-md);
}

.hero p {
    font-size: var(--font-size-xl);
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-md);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
}

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

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

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

.btn-secondary:hover {
    background: var(--color-gray-100);
    color: var(--color-navy);
}

/* ========================================
   Footer
   ======================================== */
.site-footer {
    background: var(--color-gray-900);
    color: var(--color-white);
    padding: var(--spacing-2xl) var(--spacing-xl);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: var(--spacing-md);
}

.footer-section ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-section a {
    color: var(--color-gray-300);
}

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

.footer-bottom {
    max-width: 1200px;
    margin: var(--spacing-2xl) auto 0;
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-gray-700);
    text-align: center;
    color: var(--color-gray-500);
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-navy);
        flex-direction: column;
        padding: var(--spacing-md);
        gap: 0;
    }

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

    .nav-menu a {
        padding: var(--spacing-md);
        border-bottom: 1px solid var(--color-navy-light);
    }

    .hero h1 {
        font-size: var(--font-size-3xl);
    }

    .hero p {
        font-size: var(--font-size-lg);
    }
}