/**
 * Liberty Builders - Main Stylesheet
 * Modern Construction Theme - Charcoal & Amber
 */

/* ===================================
   CSS Variables
   =================================== */
:root {
    /* Colors - Modern Construction Theme */
    --primary-charcoal: #2c3e50;
    --primary-charcoal-light: #34495e;
    --primary-charcoal-dark: #1a252f;
    --secondary-amber: #e67e22;
    --secondary-amber-light: #f39c12;
    --accent-teal: #16a085;
    --slate-gray: #7f8c8d;
    --slate-gray-light: #95a5a6;
    --white: #ffffff;
    --off-white: #fafafa;
    --light-gray: #ecf0f1;
    --border-gray: #bdc3c7;
    --text-dark: #2c3e50;
    --text-gray: #7f8c8d;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-secondary: 'Open Sans', Arial, sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Layout - Widget Style */
    --container-max: 1200px;
    --container-wide: 1400px;
    --border-radius: 16px;
    --border-radius-lg: 20px;
    --border-radius-xl: 24px;

    /* Shadows - Widget Style */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1), 0 10px 10px rgba(0, 0, 0, 0.04);
    --shadow-widget: 0 2px 8px rgba(0, 0, 0, 0.08), 0 1px 4px rgba(0, 0, 0, 0.04);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-secondary);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-dark);
    background-color: var(--off-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.75rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

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

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

a:hover {
    color: var(--secondary-amber);
}

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

ul, ol {
    list-style-position: inside;
}

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

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

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

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

.skip-to-main {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--primary-charcoal);
    color: white;
    padding: var(--spacing-sm);
    z-index: 10000;
}

.skip-to-main:focus {
    top: 0;
}

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--secondary-amber), var(--secondary-amber-light));
    color: var(--white);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--white);
}

.btn-outline {
    background-color: var(--white);
    color: var(--primary-charcoal);
    border: 2px solid var(--border-gray);
    box-shadow: var(--shadow-widget);
}

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

.btn-sm {
    padding: 0.5rem 1.25rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 1.125rem 2.5rem;
    font-size: 1.125rem;
}

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

.header-top {
    background-color: var(--primary-charcoal);
    color: var(--white);
    padding: var(--spacing-xs) 0;
    font-size: 0.875rem;
}

.header-top-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.contact-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.phone-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--white);
    font-weight: 600;
}

.phone-link:hover {
    color: var(--secondary-amber);
}

.phone-link .icon {
    width: 16px;
    height: 16px;
}

.separator {
    opacity: 0.5;
}

.header-main {
    padding: var(--spacing-sm) 0;
}

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

.logo img {
    height: 60px;
    width: auto;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    list-style: none;
}

.nav-menu a {
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-dark);
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--secondary-amber);
    transition: width var(--transition-base);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

.nav-menu a.active {
    color: var(--primary-charcoal);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--text-dark);
    transition: all var(--transition-base);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--primary-charcoal) 0%, var(--primary-charcoal-light) 100%);
    color: var(--white);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('/assets/images/hero/hero-bg.jpg') center/cover no-repeat;
    opacity: 0.15;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
}

.hero h1 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
}

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

/* ===================================
   Section Styles
   =================================== */
.section {
    padding: var(--spacing-3xl) 0;
}

.section-gray {
    background-color: var(--off-white);
}

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

.section-title {
    position: relative;
    display: inline-block;
    margin-bottom: var(--spacing-md);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--secondary-amber);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-gray);
    max-width: 700px;
    margin: 0 auto;
}

/* ===================================
   Card Styles - Widget Design
   =================================== */
.card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-widget);
    transition: all var(--transition-base);
    border: 1px solid rgba(0, 0, 0, 0.06);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary-amber), var(--accent-teal));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(0, 0, 0, 0.08);
}

.card:hover::before {
    opacity: 1;
}

.card-icon {
    width: 60px;
    height: 60px;
    margin-bottom: var(--spacing-md);
    color: var(--secondary-amber);
}

.card-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.card-text {
    color: var(--text-gray);
    line-height: 1.7;
}

/* ===================================
   Grid Layouts
   =================================== */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

/* ===================================
   Services Section
   =================================== */
.service-card {
    text-align: center;
    position: relative;
}

.service-card .card-icon {
    margin: 0 auto var(--spacing-md);
}

/* ===================================
   Stats Section
   =================================== */
.stats {
    background: linear-gradient(135deg, var(--primary-charcoal) 0%, var(--primary-charcoal-light) 100%);
    color: var(--white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    text-align: center;
}

.stat-item h3 {
    font-size: 3rem;
    color: var(--secondary-amber);
    margin-bottom: var(--spacing-xs);
}

.stat-item p {
    font-size: 1.125rem;
    margin: 0;
    opacity: 0.95;
}

/* ===================================
   Portfolio/Gallery - Widget Style
   =================================== */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.portfolio-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-widget);
    cursor: pointer;
    background: var(--white);
    border: 1px solid rgba(0, 0, 0, 0.06);
}

.portfolio-item img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.portfolio-item:hover img {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    padding: var(--spacing-lg);
    color: var(--white);
    transform: translateY(10px);
    opacity: 0;
    transition: all var(--transition-base);
}

.portfolio-item:hover .portfolio-overlay {
    transform: translateY(0);
    opacity: 1;
}

.portfolio-overlay h4 {
    color: var(--white);
    margin-bottom: var(--spacing-xs);
}

.portfolio-overlay p {
    margin: 0;
    font-size: 0.875rem;
}

/* ===================================
   Testimonials - Widget Style
   =================================== */
.testimonial {
    background: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-widget);
    text-align: center;
    border: 1px solid rgba(0, 0, 0, 0.06);
    transition: all var(--transition-base);
}

.testimonial:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.testimonial-text {
    font-size: 1.125rem;
    font-style: italic;
    margin-bottom: var(--spacing-md);
    color: var(--text-gray);
}

.testimonial-author {
    font-weight: 600;
    color: var(--text-dark);
}

.testimonial-location {
    color: var(--text-gray);
    font-size: 0.875rem;
}

/* ===================================
   CTA Section
   =================================== */
.cta-section {
    background: linear-gradient(135deg, var(--secondary-amber) 0%, var(--secondary-amber-light) 100%);
    color: var(--white);
    text-align: center;
}

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

.cta-section .btn {
    background-color: var(--white);
    color: var(--secondary-amber);
}

.cta-section .btn:hover {
    background-color: var(--primary-charcoal);
    color: var(--white);
}

/* ===================================
   Footer
   =================================== */
.site-footer {
    background-color: var(--slate-gray);
    color: rgba(255, 255, 255, 0.9);
}

.footer-main {
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

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

.footer-tagline {
    margin-bottom: var(--spacing-sm);
    color: rgba(255, 255, 255, 0.8);
}

.license-info,
.years-info {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--white);
    transition: all var(--transition-base);
}

.social-links a:hover {
    background-color: var(--secondary-amber);
    transform: translateY(-3px);
}

.footer-col h4 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
    font-size: 1.125rem;
}

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

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--secondary-amber);
    padding-left: 5px;
}

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

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    color: rgba(255, 255, 255, 0.8);
}

.footer-contact .icon {
    flex-shrink: 0;
    margin-top: 2px;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.8);
}

.footer-contact a:hover {
    color: var(--secondary-amber);
}

.footer-cta {
    margin-top: var(--spacing-lg);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-lg) 0;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.copyright {
    margin: 0;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
}

.footer-legal {
    display: flex;
    gap: var(--spacing-md);
    list-style: none;
}

.footer-legal a {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
}

.footer-legal a:hover {
    color: var(--secondary-amber);
}

/* ===================================
   Back to Top Button
   =================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--secondary-amber);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--primary-charcoal);
    transform: translateY(-5px);
}

/* ===================================
   Forms
   =================================== */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--text-dark);
}

.form-control {
    width: 100%;
    padding: 0.875rem 1rem;
    font-family: var(--font-secondary);
    font-size: 1rem;
    color: var(--text-dark);
    background-color: var(--white);
    border: 2px solid var(--border-gray);
    border-radius: var(--border-radius);
    transition: border-color var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-charcoal);
}

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

.form-error {
    color: #d32f2f;
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
}

.form-success {
    color: var(--accent-teal);
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
}