/* NADC Static Site - style.css
   North American Dismantling Corp.
   2026 Modern Industrial Design
*/

/* Google Fonts - Industrial Look */
@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Oswald:wght@400;500;600;700&family=Roboto+Condensed:wght@400;700&display=swap');

/* ============================================
   CSS Custom Properties - Theme System
   ============================================ */
:root {
    /* Base Colors (constant) */
    --color-accent: #f7c51e;
    --color-accent-hover: #ffd54f;
    --color-orange: #ff6f00;
    --color-danger: #e53935;

    /* Typography - Industrial Fonts */
    --font-heading: 'Bebas Neue', 'Arial Black', Impact, sans-serif;
    --font-nav: 'Oswald', 'Arial Black', sans-serif;
    --font-body: 'Roboto Condensed', Arial, Helvetica, sans-serif;

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

    /* Layout */
    --max-width: 1400px;
    --header-height: 80px;

    /* Transitions */
    --transition: 0.3s ease;
    --transition-fast: 0.15s ease;
}

/* ============================================
   Light Theme (Default)
   ============================================ */
:root, [data-theme="light"] {
    --color-black: #0a0a0a;
    --color-dark: #111111;
    --color-charcoal: #1a1a1a;
    --color-primary: #0d0d0d;
    --color-secondary: #151515;
    --color-white: #ffffff;
    --color-light: #f5f5f5;
    --color-gray: #666666;
    --color-gray-dark: #444444;
    --color-gray-light: #e0e0e0;
    --color-text: #333333;

    /* Theme-specific */
    --body-bg: #ffffff;
    --body-text: #333333;
    --section-bg: #f5f5f5;
    --card-bg: #ffffff;
    --card-shadow: rgba(0, 0, 0, 0.1);
    --border-color: #e0e0e0;
    --heading-color: #0d0d0d;
}

/* ============================================
   Dark Theme
   ============================================ */
[data-theme="dark"] {
    --color-black: #0a0a0a;
    --color-dark: #111111;
    --color-charcoal: #1a1a1a;
    --color-primary: #f5f5f5;
    --color-secondary: #e0e0e0;
    --color-white: #0a0a0a;
    --color-light: #1a1a1a;
    --color-gray: #999999;
    --color-gray-dark: #cccccc;
    --color-gray-light: #333333;
    --color-text: #e0e0e0;

    /* Theme-specific */
    --body-bg: #0a0a0a;
    --body-text: #e0e0e0;
    --section-bg: #111111;
    --card-bg: #1a1a1a;
    --card-shadow: rgba(0, 0, 0, 0.4);
    --border-color: #333333;
    --heading-color: #ffffff;
}

/* ============================================
   Theme Toggle Button
   ============================================ */
.theme-toggle {
    background: transparent;
    border: 2px solid var(--color-accent);
    color: var(--color-accent);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
    margin-right: 0;
    flex-shrink: 0;
}

.theme-toggle:hover {
    background: var(--color-accent);
    color: var(--color-black);
    transform: rotate(15deg);
}

.theme-toggle svg {
    width: 22px;
    height: 22px;
    fill: currentColor;
}

/* Sun icon visible in dark mode, moon in light mode */
.theme-toggle .icon-sun {
    display: none;
}

.theme-toggle .icon-moon {
    display: block;
}

[data-theme="dark"] .theme-toggle .icon-sun {
    display: block;
}

[data-theme="dark"] .theme-toggle .icon-moon {
    display: none;
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-body);
    font-size: 17px;
    line-height: 1.7;
    color: var(--body-text);
    background-color: var(--body-bg);
    overflow-x: hidden;
    transition: background-color var(--transition), color var(--transition);
}

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

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

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

ul, ol {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    line-height: 1.2;
    color: var(--heading-color);
    letter-spacing: 1px;
}

h1 { font-size: 2.25rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.6rem; }
h4 { font-size: 1.35rem; }

/* ============================================
   Utility Classes
   ============================================ */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.text-center { text-align: center; }
.text-white { color: var(--color-white); }
.text-accent { color: var(--color-accent); }

.bg-primary { background-color: var(--color-primary); }
.bg-secondary { background-color: var(--color-secondary); }
.bg-light { background-color: var(--section-bg); }
.bg-dark { background-color: var(--color-dark); }

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

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-block;
    padding: 1rem 2.25rem;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: bold;
    text-align: center;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 2px;
    border: none;
    border-radius: 0;
    cursor: pointer;
    transition: all var(--transition);
}

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

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    color: var(--color-black);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(247, 197, 30, 0.4);
}

.btn-outline {
    background-color: transparent;
    color: #ffffff;
    border: 2px solid #ffffff;
}

.btn-outline:hover {
    background-color: #ffffff;
    color: #0a0a0a;
}

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

.btn-dark:hover {
    background-color: var(--color-charcoal);
}

/* ============================================
   Header - Fixed Black Bar
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background-color: var(--color-black);
    z-index: 1000;
    border-bottom: 3px solid var(--color-accent);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.logo {
    flex-shrink: 0;
}

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

/* Mobile Nav Toggle */
.nav-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.nav-toggle span {
    display: block;
    width: 28px;
    height: 3px;
    background-color: var(--color-white);
    margin: 3px 0;
    transition: var(--transition);
    border-radius: 2px;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Navigation */
.nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background-color: var(--color-black);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
    border-bottom: 1px solid var(--color-charcoal);
}

.nav.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.nav-list {
    display: flex;
    flex-direction: column;
    padding: 0;
    margin: 0;
}

.nav-list > li {
    position: relative;
    border-bottom: 1px solid var(--color-charcoal);
}

.nav-list > li > a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    color: #ffffff;
    font-family: var(--font-nav);
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
    transition: all var(--transition-fast);
}

.nav-list > li > a:hover,
.nav-list > li > a.active {
    color: var(--color-accent);
    background-color: var(--color-charcoal);
}

/* Dropdown Arrow */
.nav-list > li.has-dropdown > a::after {
    content: '▼';
    font-size: 0.6rem;
    margin-left: 0.5rem;
    transition: transform var(--transition-fast);
}

/* Dropdown Menu - Mobile */
.dropdown {
    display: none;
    background-color: var(--color-charcoal);
}

.has-dropdown.open .dropdown {
    display: block;
}

.has-dropdown.open > a::after {
    transform: rotate(180deg);
}

.dropdown a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    padding-left: var(--spacing-lg);
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.dropdown a:hover {
    color: var(--color-accent);
    background-color: rgba(255,255,255,0.05);
}

/* Header CTA Area */
.header-cta {
    display: flex;
    align-items: center;
}

.header-phone {
    display: none;
    align-items: center;
    color: var(--color-accent);
    font-family: var(--font-nav);
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: 1px;
}

.header-phone svg {
    margin-right: 0.5rem;
    fill: currentColor;
}

.header-phone:hover {
    color: var(--color-accent-hover);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: var(--header-height);
    background-color: var(--color-black);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        135deg,
        rgba(0, 0, 0, 0.9) 0%,
        rgba(0, 0, 0, 0.7) 50%,
        rgba(0, 0, 0, 0.8) 100%
    );
}

/* Animated accent line */
.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-orange), var(--color-accent));
    background-size: 200% 100%;
    animation: gradientMove 3s ease infinite;
}

@keyframes gradientMove {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-sm);
    max-width: 1000px;
}

.hero h1 {
    font-size: 2.5rem;
    color: #ffffff;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 2px;
    line-height: 1.1;
}

.hero-tagline {
    font-size: 1.25rem;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
    font-family: var(--font-heading);
    text-transform: uppercase;
    letter-spacing: 3px;
}

.hero p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: center;
}

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

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

.section-header h2 {
    position: relative;
    display: inline-block;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-orange));
}

.section-header p {
    color: var(--body-text);
    max-width: 600px;
    margin: var(--spacing-sm) auto 0;
    font-size: 1.1rem;
    opacity: 0.85;
}

/* ============================================
   Services Grid
   ============================================ */
.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.service-card {
    background-color: var(--card-bg);
    overflow: hidden;
    box-shadow: 0 4px 20px var(--card-shadow);
    transition: all var(--transition);
    border-bottom: 4px solid transparent;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px var(--card-shadow);
    border-bottom-color: var(--color-accent);
}

.service-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: transform var(--transition);
}

.service-card:hover img {
    transform: scale(1.05);
}

.service-card-content {
    padding: var(--spacing-md);
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
    color: var(--heading-color);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.service-card p {
    color: var(--body-text);
    font-size: 1rem;
    opacity: 0.85;
}

/* ============================================
   Stats Section
   ============================================ */
.stats {
    background-color: var(--color-black);
    padding: var(--spacing-xl) 0;
    position: relative;
}

.stats::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-orange), var(--color-accent));
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    text-align: center;
}

.stat-item {
    padding: var(--spacing-md);
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    color: #ffffff;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* ============================================
   Client Logos
   ============================================ */
.clients {
    padding: var(--spacing-xl) 0;
    background-color: var(--section-bg);
}

.clients h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--heading-color);
}

.client-logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-lg);
}

.client-logos img {
    height: 45px;
    width: auto;
    filter: grayscale(100%);
    opacity: 0.5;
    transition: all var(--transition);
}

.client-logos img:hover {
    filter: grayscale(0%);
    opacity: 1;
}

/* ============================================
   Why Choose Section
   ============================================ */
.why-choose-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.why-item {
    text-align: center;
    padding: var(--spacing-lg);
    background-color: var(--card-bg);
    box-shadow: 0 2px 15px var(--card-shadow);
    transition: all var(--transition);
    border-top: 4px solid transparent;
}

.why-item:hover {
    border-top-color: var(--color-accent);
    transform: translateY(-4px);
}

.why-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto var(--spacing-sm);
    background: linear-gradient(135deg, var(--color-accent), var(--color-orange));
    display: flex;
    align-items: center;
    justify-content: center;
}

.why-icon svg {
    width: 35px;
    height: 35px;
    fill: var(--color-black);
}

.why-item h3 {
    margin-bottom: var(--spacing-xs);
    font-size: 1.25rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--heading-color);
}

.why-item p {
    color: var(--body-text);
    font-size: 1rem;
    opacity: 0.85;
}

/* ============================================
   About Page
   ============================================ */
.about-intro {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.about-intro img {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.about-text h2 {
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
}

.about-text p {
    margin-bottom: var(--spacing-sm);
    color: var(--body-text);
    font-size: 1.05rem;
}

/* ============================================
   Services Page - Full List
   ============================================ */
.service-full {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid var(--color-gray-light);
}

.service-full:last-child {
    border-bottom: none;
}

.service-full img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.service-full-content h3 {
    margin-bottom: var(--spacing-xs);
    color: var(--heading-color);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 1.4rem;
}

.service-full-content p {
    color: var(--body-text);
    margin-bottom: var(--spacing-sm);
    font-size: 1.05rem;
}

.service-full-content ul {
    list-style: none;
    padding-left: 0;
}

.service-full-content li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: var(--spacing-xs);
    color: var(--body-text);
}

.service-full-content li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: bold;
}

/* ============================================
   Safety Page
   ============================================ */
.safety-hero {
    background: linear-gradient(135deg, var(--color-black) 0%, var(--color-charcoal) 100%);
    color: var(--color-white);
    padding: var(--spacing-xl);
    text-align: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
    overflow: hidden;
}

.safety-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-orange));
}

.safety-hero h2 {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
}

.emr-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--color-accent), var(--color-orange));
    color: var(--color-black);
    padding: var(--spacing-md) var(--spacing-lg);
    margin: var(--spacing-sm) 0;
}

.emr-number {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    display: block;
    line-height: 1;
}

.emr-label {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: bold;
}

.certifications {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
}

.cert-item {
    display: flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--section-bg);
    border-left: 4px solid var(--color-accent);
    color: var(--body-text);
}

.cert-item svg {
    width: 24px;
    height: 24px;
    margin-right: var(--spacing-sm);
    fill: var(--color-accent);
    flex-shrink: 0;
}

/* ============================================
   Contact Page
   ============================================ */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.contact-info {
    background: linear-gradient(135deg, var(--color-black) 0%, var(--color-charcoal) 100%);
    color: var(--color-white);
    padding: var(--spacing-lg);
    position: relative;
}

.contact-info::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-orange));
}

.contact-info h2 {
    color: var(--color-white);
    margin-bottom: var(--spacing-lg);
    text-transform: uppercase;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: var(--spacing-lg);
}

.contact-item svg {
    width: 28px;
    height: 28px;
    margin-right: var(--spacing-sm);
    fill: var(--color-accent);
    flex-shrink: 0;
}

.contact-item-content h3 {
    color: var(--color-accent);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 0.25rem;
}

.contact-item-content p,
.contact-item-content a {
    color: var(--color-white);
    font-size: 1.15rem;
}

.contact-item-content a:hover {
    color: var(--color-accent);
}

.contact-licenses {
    background-color: var(--section-bg);
    padding: var(--spacing-lg);
}

.contact-licenses h3 {
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    color: var(--heading-color);
}

.contact-licenses p,
.contact-licenses li {
    color: var(--body-text);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background-color: var(--color-black);
    color: var(--color-white);
    padding: var(--spacing-xl) 0 var(--spacing-sm);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-orange), var(--color-accent));
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-col h4 {
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.footer-col p,
.footer-col a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1rem;
    line-height: 1.8;
}

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

.footer-col ul li {
    margin-bottom: 0.5rem;
}

.footer-bottom {
    border-top: 1px solid var(--color-charcoal);
    padding-top: var(--spacing-sm);
    text-align: center;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
}

/* ============================================
   Page Header (Inner Pages)
   ============================================ */
.page-header {
    background: linear-gradient(135deg, var(--color-black) 0%, var(--color-charcoal) 100%);
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    margin-top: var(--header-height);
    text-align: center;
    position: relative;
}

.page-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-orange));
}

.page-header h1 {
    color: var(--color-white);
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 3px;
}

.page-header p {
    color: var(--color-accent);
    font-family: var(--font-heading);
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* Breadcrumb */
.breadcrumb {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: var(--spacing-sm);
    font-size: 0.85rem;
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.6);
}

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

.breadcrumb span {
    color: rgba(255, 255, 255, 0.4);
}

/* ============================================
   CTA Section
   ============================================ */
.cta-section {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-orange) 100%);
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.cta-section h2 {
    color: var(--color-black);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.cta-section p {
    color: var(--color-black);
    margin-bottom: var(--spacing-md);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.8;
}

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

.cta-section .btn:hover {
    background-color: var(--color-charcoal);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

/* ============================================
   Media Queries - Tablet (768px+)
   ============================================ */
@media (min-width: 768px) {
    h1 { font-size: 3rem; }
    h2 { font-size: 2.5rem; }
    h3 { font-size: 1.75rem; }

    .container {
        padding: 0 var(--spacing-md);
    }

    .hero h1 {
        font-size: 3.5rem;
    }

    .hero-tagline {
        font-size: 1.5rem;
    }

    .hero-buttons {
        flex-direction: row;
        justify-content: center;
    }

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

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

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

    .about-intro {
        grid-template-columns: 1fr 1fr;
    }

    .service-full {
        grid-template-columns: 350px 1fr;
    }

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

    .contact-grid {
        grid-template-columns: 1fr 1fr;
    }

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

    .client-logos img {
        height: 55px;
    }
}

/* ============================================
   Media Queries - Desktop (1024px+)
   ============================================ */
@media (min-width: 1024px) {
    :root {
        --header-height: 90px;
    }

    h1 { font-size: 3.75rem; }
    h2 { font-size: 2.75rem; }

    .hero h1 {
        font-size: 4rem;
    }

    /* Desktop Navigation */
    .nav-toggle {
        display: none;
    }

    .nav {
        position: static;
        width: auto;
        transform: none;
        opacity: 1;
        visibility: visible;
        background: transparent;
        border: none;
    }

    .nav-list {
        flex-direction: row;
        align-items: center;
        gap: 0;
    }

    .nav-list > li {
        border: none;
    }

    .nav-list > li > a {
        padding: var(--spacing-sm) var(--spacing-sm);
        font-size: 0.9rem;
    }

    .nav-list > li > a:hover,
    .nav-list > li > a.active {
        background: transparent;
        color: var(--color-accent);
    }

    /* Desktop Dropdown */
    .nav-list > li.has-dropdown {
        position: relative;
    }

    .nav-list > li.has-dropdown > a::after {
        content: '▼';
        font-size: 0.5rem;
    }

    .dropdown {
        position: absolute;
        top: 100%;
        left: 0;
        min-width: 220px;
        background-color: var(--color-black);
        border-top: 3px solid var(--color-accent);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        opacity: 0;
        visibility: hidden;
        transform: translateY(10px);
        transition: all var(--transition-fast);
    }

    .nav-list > li.has-dropdown:hover .dropdown {
        display: block;
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .dropdown a {
        padding: var(--spacing-sm) var(--spacing-md);
        padding-left: var(--spacing-md);
        border-bottom: 1px solid var(--color-charcoal);
        color: rgba(255, 255, 255, 0.8);
    }

    .dropdown a:last-child {
        border-bottom: none;
    }

    .dropdown a:hover {
        background-color: var(--color-charcoal);
        color: var(--color-accent);
    }

    .header-cta {
        display: flex;
    }

    .header-phone {
        display: flex;
    }

    .theme-toggle {
        margin-right: var(--spacing-sm);
    }

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

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

    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }

    .client-logos img {
        height: 60px;
    }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    .header,
    .nav,
    .nav-toggle,
    .cta-section {
        display: none;
    }

    .hero {
        min-height: auto;
        margin-top: 0;
        padding: var(--spacing-md);
    }

    .hero::before,
    .hero::after {
        display: none;
    }

    body {
        font-size: 12pt;
        color: #000;
    }

    a {
        color: #000;
        text-decoration: underline;
    }
}