/**
 * Main Stylesheet
 * 
 * Consolidated and organized CSS for ABE Contracting website.
 * Uses CSS variables for theme management.
 * 
 * @package ABE_Contracting
 * @version 1.0.0
 */

/* ============================================
   CSS Variables & Theme Configuration
   ============================================ */

:root {
    /* Colors - Light Theme */
    --primary-color: #000000;
    --secondary-color: #333333;
    --accent-color: #666666;
    --text-color: #000000;
    --text-secondary: #555555;
    --light-text: #FFFFFF;
    --bg-color: #FFFFFF;
    --section-bg: #F9F9F9;
    --card-bg: #FFFFFF;
    --nav-bg: #FFFFFF;
    --nav-text: #000000;
    --border-color: #E0E0E0;
    
    /* Typography */
    --font-main: 'Inter', sans-serif;
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    
    /* Effects */
    --transition-fast: all 0.2s ease;
    --transition-normal: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.08);
    --radius-sm: 4px;
    --radius: 8px;
    --radius-lg: 12px;
    
    /* Layout */
    --header-height: 80px;
    --container-max-width: 1400px;
}

/* Dark Theme Variables */
body.dark-mode {
    --primary-color: #FFFFFF;
    --secondary-color: #CCCCCC;
    --accent-color: #999999;
    --text-color: #FFFFFF;
    --text-secondary: #AAAAAA;
    --light-text: #000000;
    --bg-color: #111111;
    --section-bg: #1A1A1A;
    --card-bg: #1A1A1A;
    --nav-bg: #111111;
    --nav-text: #FFFFFF;
    --border-color: #333333;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
}

/* ============================================
   Base Styles & Reset
   ============================================ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-main);
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    transition: background-color 0.4s ease, color 0.4s ease;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-normal);
}

ul {
    list-style: none;
}

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

/* ============================================
   Layout Utilities
   ============================================ */

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

.section-padding {
    padding: calc(var(--space-xl) * 3) 0;
}

.bg-alt {
    background-color: var(--section-bg);
}

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

/* Grid System */
.grid {
    display: grid;
    gap: var(--space-lg);
}

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

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

.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }

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

.justify-between {
    justify-content: space-between;
}

.flex {
    display: flex;
}

/* ============================================
   Header & Navigation
   ============================================ */

header {
    background-color: transparent;
    color: var(--nav-text);
    padding: var(--space-xl) calc(var(--space-xl) * 2);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: background-color 0.4s ease, padding 0.4s ease;
}

header.scrolled {
    background-color: var(--nav-bg);
    padding: var(--space-md) calc(var(--space-xl) * 2);
    box-shadow: var(--shadow-sm);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 100%;
    overflow: visible;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
    letter-spacing: 2px;
    text-transform: uppercase;
    z-index: 1001;
    flex-shrink: 0;
}

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

.nav-links li {
    white-space: nowrap;
}

.nav-links li.language-dropdown {
    position: relative;
    z-index: 100;
}

.nav-links a {
    color: var(--text-color);
    font-weight: 500;
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--text-color);
    transition: width 0.3s ease;
}

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

.hamburger {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 1001;
}

/* ============================================
   Language Dropdown
   ============================================ */

.language-dropdown {
    position: relative;
}

.language-dropdown button {
    cursor: pointer;
    user-select: none;
}

#language-menu {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    min-width: 150px;
    z-index: 10000;
}

#language-menu a {
    display: block;
    white-space: nowrap;
}

/* ============================================
   Buttons
   ============================================ */

.btn {
    display: inline-block;
    padding: var(--space-md) calc(var(--space-lg) * 1.5);
    border: none;
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition-normal);
    text-align: center;
}

.btn-primary {
    background-color: transparent;
    color: #000000;
    border: 2px solid #000000;
}

.btn-primary:hover {
    background-color: #000000;
    color: white;
    transform: translateY(-2px);
}

body.dark-mode .btn-primary {
    color: #FFFFFF;
    border-color: #FFFFFF;
}

body.dark-mode .btn-primary:hover {
    background-color: #FFFFFF;
    color: #000000;
}

/* ============================================
   Hero Section
   ============================================ */

.hero-fullscreen {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.slide.active {
    opacity: 1;
}

.hero-slider .overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    z-index: 1;
}

.giant-glass-a {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 130vh;
    font-weight: 900;
    line-height: 1;
    z-index: 2;
    pointer-events: none;
    font-family: var(--font-main);
    color: transparent;
    background: linear-gradient(165deg,
        rgba(255, 255, 255, 0.95) 0%,
        rgba(255, 255, 255, 0.7) 15%,
        rgba(200, 200, 200, 0.5) 30%,
        rgba(255, 255, 255, 0.8) 45%,
        rgba(180, 180, 180, 0.6) 60%,
        rgba(255, 255, 255, 0.9) 75%,
        rgba(220, 220, 220, 0.7) 90%,
        rgba(255, 255, 255, 0.95) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    -webkit-text-stroke: 1px rgba(255, 255, 255, 0.3);
    filter: drop-shadow(0 0 80px rgba(255, 255, 255, 0.9)) 
            drop-shadow(0 5px 15px rgba(0, 0, 0, 0.8));
    animation: glassShimmer 6s ease-in-out infinite;
    opacity: 0.92;
}

@keyframes glassShimmer {
    0%, 100% {
        filter: drop-shadow(0 0 80px rgba(255, 255, 255, 0.9)) 
                drop-shadow(0 5px 15px rgba(0, 0, 0, 0.8));
    }
    50% {
        filter: drop-shadow(0 0 100px rgba(255, 255, 255, 1)) 
                drop-shadow(0 5px 15px rgba(0, 0, 0, 0.8));
    }
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 800px;
    padding: var(--space-2xl);
    margin: 0 auto;
    color: white;
}

.hero-content h1 {
    font-size: var(--text-5xl);
    font-weight: 300;
    letter-spacing: -1px;
    margin-bottom: var(--space-lg);
    text-transform: uppercase;
    line-height: 1.1;
}

.hero-content p {
    font-size: var(--text-lg);
    font-weight: 300;
    margin-bottom: var(--space-2xl);
    opacity: 0.9;
    letter-spacing: 0.5px;
}

.hero-spikes::before,
.hero-spikes::after {
    content: '';
    position: absolute;
    bottom: 0;
    width: 15vw;
    height: 15vw;
    z-index: 3;
    opacity: 0.9;
}

.hero-spikes::before {
    left: 0;
    background: linear-gradient(to top right, #FFFFFF 50%, transparent 50.5%);
}

.hero-spikes::after {
    right: 0;
    background: linear-gradient(to top left, #FFFFFF 50%, transparent 50.5%);
}

body.dark-mode .hero-spikes::before {
    background: linear-gradient(to top right, #000000 50%, transparent 50.5%);
    opacity: 0.7;
}

body.dark-mode .hero-spikes::after {
    background: linear-gradient(to top left, #000000 50%, transparent 50.5%);
    opacity: 0.7;
}

/* ============================================
   Glass Panel Effect
   ============================================ */

.glass-panel {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: var(--space-lg);
    transition: var(--transition-normal);
}

.glass-panel:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

/* ============================================
   Footer
   ============================================ */

footer {
    background-color: var(--bg-color);
    color: var(--text-color);
    padding: calc(var(--space-xl) * 3) 5% var(--space-xl);
    border-top: 1px solid var(--border-color);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-2xl);
    margin-bottom: calc(var(--space-xl) * 2);
    max-width: var(--container-max-width);
    margin-left: auto;
    margin-right: auto;
}

.footer-col h4 {
    color: var(--text-color);
    margin-bottom: var(--space-lg);
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-col p,
.footer-col ul li a {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: var(--text-sm);
}

.footer-col ul li {
    margin-bottom: var(--space-sm);
}

.footer-col ul li a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-xl);
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: var(--text-xs);
}

/* ============================================
   Animations
   ============================================ */

.reveal-text {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 1s forwards;
}

.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-10px); }
}

/* ============================================
   Responsive Design
   ============================================ */

/* Large desktop adjustments for navbar */
@media (min-width: 1400px) and (max-width: 1920px) {
    .nav-links {
        gap: var(--space-md);
    }
    
    .nav-links a {
        font-size: 0.7rem;
        letter-spacing: 0.5px;
    }
    
    header {
        padding: var(--space-lg) var(--space-xl);
    }
    
    header.scrolled {
        padding: var(--space-sm) var(--space-xl);
    }
}

@media (max-width: 968px) {
    .grid-2,
    .grid-3 {
        grid-template-columns: 1fr;
    }
    
    .hero-content h1 {
        font-size: var(--text-3xl);
    }
    
    .giant-glass-a {
        font-size: 80vh;
    }
}

@media (max-width: 768px) {
    header {
        padding: var(--space-lg);
    }
    
    .nav-links {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background-color: var(--bg-color);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        z-index: 999;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .hamburger {
        display: block;
    }
    
    .section-padding {
        padding: calc(var(--space-xl) * 2) 0;
    }
}

@media (min-width: 769px) {
    .hamburger {
        display: none;
    }
    
    .nav-links {
        display: flex !important;
    }
    
    /* Ensure language dropdown works on desktop */
    .language-dropdown {
        position: relative;
    }
    
    .language-dropdown button {
        pointer-events: auto;
    }
    
    #language-menu {
        pointer-events: auto;
    }
}