/* ============================================
   PRC Test and Tag - Main Stylesheet
   Brand Colors: Teal #12B4B6, Dark Gray #55555e, Pink Accent #f5245f
   ============================================ */

/* CSS Variables */
:root {
    /* Brand Colors */
    --color-primary: #12B4B6;
    --color-primary-dark: #0e9496;
    --color-primary-light: #4fc9cb;
    --color-secondary: #55555e;
    --color-secondary-dark: #3d3d44;
    --color-accent: #f5245f;
    --color-accent-light: #ff4d7d;

    /* Neutral Colors */
    --color-white: #ffffff;
    --color-background: #f7f8f9;
    --color-gray-100: #f1f3f5;
    --color-gray-200: #e9ecef;
    --color-gray-300: #dee2e6;
    --color-gray-400: #ced4da;
    --color-gray-500: #adb5bd;
    --color-gray-600: #868e96;
    --color-gray-700: #495057;
    --color-gray-800: #343a40;
    --color-gray-900: #212529;
    --color-text: #333333;
    --color-text-light: #666666;

    /* Typography */
    --font-display: 'Space Grotesk', sans-serif;
    --font-body: 'DM Sans', sans-serif;

    /* Spacing Scale */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* 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);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-white);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    margin-top: 0;
    color: var(--color-gray-900);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
    margin-top: 0;
    margin-bottom: var(--space-md);
}

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

a:hover {
    color: var(--color-primary-dark);
}

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

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* Page Wrapper */
.page-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.main-content {
    flex: 1;
}

/* ============================================
   Header
   ============================================ */
.site-header {
    background: var(--color-primary);
    padding: var(--space-md) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

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

.logo {
    display: flex;
    align-items: center;
    background: var(--color-white);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-full);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.logo:hover {
    background: var(--color-gray-100);
    transform: translateY(-1px);
}

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

.main-nav {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.nav-link {
    color: var(--color-white);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: background-color var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    background-color: rgba(255, 255, 255, 0.15);
    color: var(--color-white);
}

.header-cta {
    display: flex;
    align-items: center;
    align-self: stretch;
    gap: var(--space-sm);
    background: var(--color-white);
    color: var(--color-primary);
    padding: 0 var(--space-xl);
    border-radius: var(--radius-full);
    font-weight: 600;
    white-space: nowrap;
    transition: all var(--transition-fast);
}

.header-cta:hover {
    background: var(--color-gray-100);
    color: var(--color-primary-dark);
    transform: translateY(-1px);
}

/* Mobile Menu - CSS-only checkbox toggle */
input.mobile-menu-checkbox {
    display: none !important;
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--color-white);
    cursor: pointer;
    padding: var(--space-sm);
    z-index: 10;
}

.hamburger-icon {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-white);
    position: relative;
    transition: background 0.3s;
}

.hamburger-icon::before,
.hamburger-icon::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--color-white);
    left: 0;
    transition: transform 0.3s;
}

.hamburger-icon::before {
    top: -7px;
}

.hamburger-icon::after {
    top: 7px;
}

.mobile-menu-checkbox:checked ~ .mobile-menu-toggle .hamburger-icon {
    background: transparent;
}

.mobile-menu-checkbox:checked ~ .mobile-menu-toggle .hamburger-icon::before {
    transform: rotate(45deg);
    top: 0;
}

.mobile-menu-checkbox:checked ~ .mobile-menu-toggle .hamburger-icon::after {
    transform: rotate(-45deg);
    top: 0;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    background: linear-gradient(rgba(18, 180, 182, 0.7), rgba(14, 148, 150, 0.7)),
                url('../images/prctestandtag.com_.au-banner.png') center/cover no-repeat;
    color: var(--color-white);
    padding: var(--space-4xl) 0;
    text-align: center;
}

.hero h1 {
    color: var(--color-white);
    font-size: 3rem;
    margin-bottom: var(--space-lg);
}

.hero-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto var(--space-2xl);
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* Page Hero */
.page-hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    padding: var(--space-xl) 0;
    text-align: center;
}

.page-hero h1 {
    color: var(--color-white);
    margin-bottom: var(--space-sm);
}

.page-hero p {
    opacity: 0.9;
    margin-bottom: 0;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transition-fast);
}

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

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

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

.btn-secondary:hover {
    background: var(--color-secondary-dark);
    border-color: var(--color-secondary-dark);
    color: var(--color-white);
}

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

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

.btn-link {
    background: none;
    padding: 0;
    color: var(--color-primary);
    font-weight: 600;
}

.btn-link:hover {
    color: var(--color-primary-dark);
}

.btn-lg {
    padding: var(--space-md) var(--space-xl);
    font-size: 1.1rem;
}

.btn-block {
    width: 100%;
}

/* ============================================
   Sections
   ============================================ */
.section {
    padding: var(--space-2xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-header h2 {
    margin-bottom: var(--space-sm);
}

.section-header p {
    color: var(--color-text-light);
    font-size: 1.1rem;
    margin-bottom: 0;
}

.section-cta {
    text-align: center;
    margin-top: var(--space-2xl);
}

/* ============================================
   Service Cards
   ============================================ */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
}

.service-card {
    background: var(--color-white);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

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

.service-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
}

.service-icon i {
    font-size: 1.75rem;
    color: var(--color-white);
}

.service-card h3 {
    margin-bottom: var(--space-sm);
}

.service-card p {
    color: var(--color-text-light);
    margin-bottom: var(--space-md);
}

/* Services List (Services Page) */
.services-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.service-detail-card {
    display: flex;
    gap: var(--space-xl);
    background: var(--color-white);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.service-images-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-top: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.service-image {
    display: inline-block;
}

.service-image img {
    max-width: 200px;
    height: auto;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.service-icon-large {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-icon-large i {
    font-size: 2rem;
    color: var(--color-white);
}

.service-info h2 {
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
}

.service-short {
    color: var(--color-text-light);
    font-size: 1.1rem;
    margin-bottom: var(--space-md);
}

.service-full {
    margin-bottom: var(--space-lg);
}

/* ============================================
   Features Grid
   ============================================ */
.why-choose-us {
    background: var(--color-background);
}

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

.feature-card {
    text-align: center;
    padding: var(--space-xl);
}

.feature-icon {
    width: 72px;
    height: 72px;
    background: var(--color-white);
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-lg);
}

.feature-icon i {
    font-size: 1.75rem;
    color: var(--color-primary);
}

.feature-card h3 {
    margin-bottom: var(--space-sm);
}

.feature-card p {
    color: var(--color-text-light);
    margin-bottom: 0;
}

/* ============================================
   Testimonials
   ============================================ */
.testimonials-section {
    background: var(--color-white);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-xl);
}

.testimonial-card {
    background: var(--color-background);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-primary);
}

.testimonial-rating {
    margin-bottom: var(--space-md);
}

.testimonial-rating i {
    color: #ffc107;
    font-size: 1.25rem;
}

.testimonial-image {
    margin-bottom: var(--space-md);
    text-align: center;
}

.testimonial-image img {
    max-width: 150px;
    max-height: 80px;
    object-fit: contain;
}

.testimonial-card blockquote {
    font-style: italic;
    font-size: 1.1rem;
    color: var(--color-text);
    margin: 0 0 var(--space-lg) 0;
    line-height: 1.6;
}

.testimonial-author strong {
    display: block;
    color: var(--color-gray-900);
}

.testimonial-author span {
    color: var(--color-text-light);
    font-size: 0.9rem;
}

.testimonials-page-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-xl);
}

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

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    color: var(--color-white);
    margin-bottom: var(--space-md);
}

.cta-content p {
    opacity: 0.9;
    font-size: 1.1rem;
    margin-bottom: var(--space-xl);
}

.cta-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   Credentials
   ============================================ */
/* OHS Logos */
.ohs-logos {
    margin-top: var(--space-xl);
    text-align: center;
}

.ohs-logos-row {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
    margin-bottom: var(--space-md);
}

.ohs-logos-row img {
    width: 150px;
    height: 150px;
    object-fit: contain;
}

.ohs-link {
    color: var(--color-primary);
    font-weight: 600;
}

.ohs-link:hover {
    color: var(--color-primary-dark);
}

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

.credential-card {
    text-align: center;
    padding: var(--space-xl);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.credential-icon {
    width: 64px;
    height: 64px;
    background: var(--color-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-lg);
}

.credential-icon i {
    font-size: 1.5rem;
    color: var(--color-white);
}

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

/* ============================================
   Process Steps
   ============================================ */
.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-xl);
}

.process-step {
    text-align: center;
    padding: var(--space-lg);
}

.step-number {
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.25rem;
    margin: 0 auto var(--space-md);
}

/* ============================================
   FAQs
   ============================================ */
.faqs-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--color-white);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg);
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--font-body);
    font-size: 1.1rem;
    font-weight: 600;
    text-align: left;
    color: var(--color-gray-900);
    transition: background-color var(--transition-fast);
    list-style: none;
}

.faq-question::-webkit-details-marker {
    display: none;
}

.faq-question::marker {
    display: none;
    content: "";
}

.faq-question:hover {
    background: var(--color-gray-100);
}

.faq-icon {
    font-size: 1.25rem;
    color: var(--color-primary);
    transition: transform var(--transition-fast);
}

.faq-item[open] .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 var(--space-lg) var(--space-lg);
    color: var(--color-text-light);
}

/* ============================================
   Gallery
   ============================================ */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.gallery-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform var(--transition-base);
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-caption {
    padding: var(--space-md);
    text-align: center;
}

.gallery-caption h4 {
    margin: 0;
    color: var(--color-gray-900);
    font-size: 1rem;
}

.gallery-caption p {
    margin: var(--space-xs) 0 0;
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.empty-state {
    text-align: center;
    padding: var(--space-4xl) var(--space-lg);
    color: var(--color-text-light);
}

.empty-state i {
    font-size: 4rem;
    opacity: 0.3;
    margin-bottom: var(--space-lg);
    display: block;
}

/* ============================================
   Blog
   ============================================ */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-xl);
}

.blog-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-base);
}

.blog-card:hover {
    transform: translateY(-4px);
}

.blog-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.blog-content {
    padding: var(--space-xl);
}

.blog-category {
    display: inline-block;
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.blog-content h2 {
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
}

.blog-content h2 a {
    color: var(--color-gray-900);
}

.blog-content h2 a:hover {
    color: var(--color-primary);
}

.blog-excerpt {
    color: var(--color-text-light);
    margin-bottom: var(--space-md);
}

.blog-meta {
    display: flex;
    gap: var(--space-lg);
    color: var(--color-gray-500);
    font-size: 0.9rem;
    margin-bottom: var(--space-md);
}

.blog-meta i {
    margin-right: var(--space-xs);
}

/* Blog Post Page */
.blog-post-content {
    max-width: 800px;
    margin: 0 auto;
}

.blog-featured-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: var(--space-2xl);
}

.blog-featured-image img {
    width: 100%;
}

.blog-body {
    font-size: 1.1rem;
    line-height: 1.8;
}

.blog-body h2 {
    margin-top: var(--space-2xl);
}

.blog-body ul, .blog-body ol {
    margin-bottom: var(--space-lg);
    padding-left: var(--space-xl);
}

.blog-body li {
    margin-bottom: var(--space-sm);
}

.blog-tags {
    margin-top: var(--space-2xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-gray-200);
}

.tags-label {
    font-weight: 600;
    margin-right: var(--space-sm);
}

.tag {
    display: inline-block;
    background: var(--color-gray-100);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    margin-right: var(--space-xs);
    margin-bottom: var(--space-xs);
}

.blog-post-footer {
    margin-top: var(--space-2xl);
    text-align: center;
}

.blog-post-meta {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    opacity: 0.9;
}

/* ============================================
   Contact
   ============================================ */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
}

.contact-info h2 {
    margin-bottom: var(--space-md);
}

.contact-details {
    margin: var(--space-2xl) 0;
}

.contact-item {
    display: flex;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    font-size: 1.25rem;
    color: var(--color-white);
}

.contact-text h3 {
    font-size: 1rem;
    margin-bottom: var(--space-xs);
}

.contact-text a,
.contact-text span {
    color: var(--color-text-light);
}

.contact-text a:hover {
    color: var(--color-primary);
}

.contact-hours {
    background: var(--color-background);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
}

.contact-hours h3 {
    margin-bottom: var(--space-sm);
}

.contact-hours p {
    margin-bottom: var(--space-xs);
    color: var(--color-text-light);
}

.contact-form-wrapper h2 {
    margin-bottom: var(--space-xl);
}

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

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--color-gray-800);
}

.form-control {
    width: 100%;
    padding: var(--space-md);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

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

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

.validation-message {
    color: var(--color-accent);
    font-size: 0.9rem;
    margin-top: var(--space-xs);
}

.form-success {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    background: #d4edda;
    color: #155724;
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    margin-top: var(--space-lg);
}

.form-success i {
    font-size: 1.5rem;
}

.form-error {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    background: #f8d7da;
    color: #721c24;
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    margin-top: var(--space-lg);
}

.form-error i {
    font-size: 1.5rem;
}

/* ============================================
   Breadcrumb
   ============================================ */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
    font-size: 0.9rem;
    opacity: 0.9;
}

.breadcrumb a {
    color: var(--color-white);
    opacity: 0.8;
}

.breadcrumb a:hover {
    opacity: 1;
}

.breadcrumb i {
    font-size: 0.8rem;
}

/* ============================================
   Footer
   ============================================ */
.site-footer {
    background: var(--color-gray-900);
    color: var(--color-gray-400);
    padding: var(--space-4xl) 0 var(--space-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-3xl);
}

.footer-logo {
    color: var(--color-white);
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
}

.footer-tagline {
    color: var(--color-primary);
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.footer-description {
    margin-bottom: 0;
}

.site-footer h4 {
    color: var(--color-white);
    font-size: 1rem;
    margin-bottom: var(--space-lg);
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

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

.footer-links a {
    color: var(--color-gray-400);
    transition: color var(--transition-fast);
}

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

.footer-contact {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-contact li {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.footer-contact i {
    color: var(--color-primary);
    flex-shrink: 0;
    margin-top: 2px;
}

.footer-contact a {
    color: var(--color-gray-400);
}

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

.footer-bottom {
    border-top: 1px solid var(--color-gray-700);
    padding-top: var(--space-xl);
    text-align: center;
}

.footer-bottom p {
    margin-bottom: var(--space-xs);
}

.footer-compliance {
    font-size: 0.9rem;
    color: var(--color-primary);
}

/* ============================================
   404 Page
   ============================================ */
.not-found-page {
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-4xl) var(--space-lg);
}

.not-found-code {
    display: block;
    font-family: var(--font-display);
    font-size: 8rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: var(--space-lg);
}

.not-found-content h1 {
    margin-bottom: var(--space-md);
}

.not-found-content p {
    color: var(--color-text-light);
    margin-bottom: var(--space-xl);
}

/* ============================================
   Loading Spinner
   ============================================ */
.loading-spinner {
    display: flex;
    justify-content: center;
    padding: var(--space-3xl) 0;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }

    .hero h1 { font-size: 2.25rem; }

    .header-content {
        flex-wrap: wrap;
    }

    .mobile-menu-toggle {
        display: block;
        order: 2;
    }

    .main-nav {
        display: none;
        width: 100%;
        flex-direction: column;
        gap: 0;
        order: 3;
    }

    .mobile-menu-checkbox:checked ~ .main-nav {
        display: flex;
    }

    .nav-link {
        padding: var(--space-md);
        border-radius: 0;
        border-top: 1px solid rgba(255,255,255,0.1);
    }

    .header-cta {
        display: none;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-contact li {
        justify-content: center;
    }

    .service-detail-card {
        flex-direction: column;
        text-align: center;
    }

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

    .testimonials-page-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-md);
    }

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

    .not-found-code {
        font-size: 5rem;
    }
}