/* ===================================
   CONDUCTIVE ELECTRIC - STYLES.CSS
   Mobile-First Responsive Design
   Brand Colors: #000000, #FFD700, #FFFFFF, #808080
   Fonts: Oswald (headings), Lato (body)
   =================================== */

/* --- CSS Custom Properties (Variables) --- */
:root {
    /* Brand Colors */
    --color-black: #000000;
    --color-yellow: #FFD700;
    --color-white: #FFFFFF;
    --color-gray: #808080;
    --color-gray-dark: #333333;
    --color-gray-light: #f5f5f5;
    
    /* Typography */
    --font-heading: 'Oswald', sans-serif;
    --font-body: 'Lato', 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;
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 200ms ease-in-out;
    --transition-slow: 300ms ease-out;
    --transition-carousel: 400ms ease-in-out;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.2);
    --shadow-lift: 0 10px 20px rgba(0, 0, 0, 0.25);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    /* Container */
    --container-max: 1200px;
}

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

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

/* Reduced motion preference - disable animations */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-black);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* --- Skip Link (Accessibility) --- */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-yellow);
    color: var(--color-black);
    padding: var(--spacing-sm) var(--spacing-md);
    font-weight: 700;
    z-index: 9999;
    border-radius: var(--radius-sm);
}

.skip-link:focus {
    top: var(--spacing-sm);
}

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

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.section-title {
    font-size: 1.75rem;
    text-align: center;
    margin-bottom: var(--spacing-sm);
    color: var(--color-black);
}

.section-title-light {
    color: var(--color-white);
}

.section-subtitle {
    font-family: var(--font-body);
    font-size: 1rem;
    text-align: center;
    color: var(--color-gray);
    margin-bottom: var(--spacing-xl);
    text-transform: none;
}

.section-subtitle-light {
    color: rgba(255, 255, 255, 0.8);
}

@media (min-width: 768px) {
    .section-title {
        font-size: 2.5rem;
    }
    
    .section-subtitle {
        font-size: 1.125rem;
    }
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 0.875rem 1.5rem;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-sm);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

/* Primary CTA Button - Yellow background with sparkle effect */
/* MICRO-INTERACTION: Sparkle effect on hover */
.btn-primary {
    background-color: var(--color-yellow);
    color: var(--color-black);
    border: 2px solid var(--color-yellow);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, rgba(255,255,255,0.8) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    transition: width var(--transition-fast), height var(--transition-fast);
    opacity: 0;
}

.btn-primary:hover {
    background-color: #e6c200;
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover::before {
    width: 150px;
    height: 150px;
    opacity: 1;
    animation: sparkle 0.15s ease-out forwards;
}

/* MICRO-INTERACTION: Sparkle animation keyframe */
@keyframes sparkle {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0);
    }
    50% {
        opacity: 0.8;
    }
    100% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(1);
    }
}

.btn-primary:focus {
    outline: 3px solid var(--color-black);
    outline-offset: 2px;
}

/* Secondary Button */
.btn-secondary {
    background-color: transparent;
    color: var(--color-white);
    border: 2px solid var(--color-white);
}

.btn-secondary:hover {
    background-color: var(--color-white);
    color: var(--color-black);
    transform: scale(1.05);
}

.btn-secondary:focus {
    outline: 3px solid var(--color-yellow);
    outline-offset: 2px;
}

/* Outline Button */
.btn-outline {
    background-color: transparent;
    color: var(--color-yellow);
    border: 2px solid var(--color-yellow);
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
}

.btn-outline:hover {
    background-color: var(--color-yellow);
    color: var(--color-black);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-icon {
    flex-shrink: 0;
}

/* ===================================
   HEADER / NAVIGATION
   =================================== */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: var(--color-black);
    box-shadow: var(--shadow-sm);
    transition: background-color var(--transition-normal);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 70px;
    padding: var(--spacing-xs) 0;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    z-index: 1001;
}

.logo-desktop {
    display: none;
    max-height: 50px;
    width: auto;
}

.logo-mobile {
    max-height: 40px;
    width: auto;
}

@media (min-width: 768px) {
    .logo-desktop {
        display: block;
        max-height: 60px;
    }
    .logo-mobile {
        display: none;
    }
}

/* Hamburger Toggle */
.nav-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    z-index: 1001;
}

/* MICRO-INTERACTION: Hamburger to X animation */
.hamburger {
    display: block;
    width: 24px;
    height: 3px;
    background-color: var(--color-white);
    position: relative;
    transition: background-color var(--transition-slow);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 3px;
    background-color: var(--color-white);
    transition: transform var(--transition-slow), top var(--transition-slow);
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    top: 8px;
}

/* Hamburger open state - animate to X */
.nav-toggle[aria-expanded="true"] .hamburger {
    background-color: transparent;
}

.nav-toggle[aria-expanded="true"] .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .hamburger::after {
    top: 0;
    transform: rotate(-45deg);
}

/* Navigation Menu - Mobile */
.nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 320px;
    height: 100vh;
    background-color: var(--color-black);
    padding: 100px var(--spacing-lg) var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    transition: right var(--transition-slow);
    z-index: 1000;
    overflow-y: auto;
}

/* MICRO-INTERACTION: Mobile menu slide-in */
.nav-menu.active {
    right: 0;
}

.nav-link {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-white);
    padding: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    position: relative;
    transition: color var(--transition-normal);
}

/* MICRO-INTERACTION: Nav link underline animation from center */
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: var(--color-yellow);
    transition: width var(--transition-normal), left var(--transition-normal);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-yellow);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
    left: 0;
}

.nav-link:focus {
    outline: 2px solid var(--color-yellow);
    outline-offset: 2px;
}

/* Header Phone */
.header-phone {
    display: none;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-yellow);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    transition: color var(--transition-normal);
}

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

.phone-icon {
    flex-shrink: 0;
}

/* Desktop Navigation */
@media (min-width: 1024px) {
    .nav-toggle {
        display: none;
    }
    
    .nav-menu {
        position: static;
        width: auto;
        max-width: none;
        height: auto;
        background: transparent;
        padding: 0;
        flex-direction: row;
        gap: 0;
        overflow: visible;
    }
    
    .nav-link {
        font-size: 0.9rem;
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .header-phone {
        display: flex;
    }
}

/* ===================================
   HERO SECTION
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 1;
}

/* MICRO-INTERACTION: Parallax effect on desktop only */
@media (min-width: 768px) {
    .hero-background {
        background-attachment: fixed;
    }
}

/* Reduced motion: static background */
@media (prefers-reduced-motion: reduce) {
    .hero-background {
        background-attachment: scroll !important;
    }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.7) 0%,
        rgba(0, 0, 0, 0.5) 50%,
        rgba(0, 0, 0, 0.8) 100%
    );
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-sm);
}

.hero-title {
    font-size: 2.5rem;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-tagline {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    color: var(--color-yellow);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.hero-subtitle {
    font-size: 1rem;
    color: var(--color-white);
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

.hero-cta-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.hero-trust {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
}

.trust-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: rgba(255, 215, 0, 0.1);
    border: 1px solid var(--color-yellow);
    color: var(--color-yellow);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-sm);
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 4rem;
    }
    
    .hero-tagline {
        font-size: 1.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .hero-cta-group {
        flex-direction: row;
        justify-content: center;
    }
    
    .trust-badge {
        font-size: 0.875rem;
    }
}

/* ===================================
   SERVICES SECTION
   =================================== */
.services-section {
    padding: var(--spacing-2xl) 0;
    background-color: var(--color-gray-light);
}

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

@media (min-width: 768px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* MICRO-INTERACTION: Service card hover lift effect */
.service-card {
    background-color: var(--color-black);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 2px solid transparent;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lift);
    border-color: var(--color-yellow);
}

.service-image-wrapper {
    height: 200px;
    overflow: hidden;
}

.service-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

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

.service-title {
    font-size: 1.25rem;
    color: var(--color-yellow);
    margin-bottom: var(--spacing-sm);
}

.service-description {
    color: var(--color-white);
    font-size: 0.9375rem;
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

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

/* ===================================
   ABOUT SECTION
   =================================== */
.about-section {
    padding: var(--spacing-2xl) 0;
    background-color: var(--color-white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

@media (min-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.about-content .section-title {
    text-align: left;
}

.about-block {
    margin-bottom: var(--spacing-lg);
}

.about-subtitle {
    font-size: 1.25rem;
    color: var(--color-black);
    margin-bottom: var(--spacing-sm);
    position: relative;
    padding-left: var(--spacing-md);
}

.about-subtitle::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 4px;
    background-color: var(--color-yellow);
}

.about-content p {
    color: var(--color-gray-dark);
    line-height: 1.8;
}

.highlight {
    color: var(--color-yellow);
    font-weight: 700;
    background-color: var(--color-black);
    padding: 0 4px;
}

.values-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

@media (min-width: 600px) {
    .values-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.value-item {
    text-align: center;
    padding: var(--spacing-md);
    background-color: var(--color-gray-light);
    border-radius: var(--radius-md);
}

.value-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background-color: var(--color-yellow);
    color: var(--color-black);
    border-radius: 50%;
    margin-bottom: var(--spacing-sm);
}

.value-item h4 {
    font-size: 1rem;
    color: var(--color-black);
    margin-bottom: var(--spacing-xs);
}

.value-item p {
    font-size: 0.875rem;
    color: var(--color-gray);
}

.about-image-wrapper {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-image {
    width: 100%;
    height: auto;
    display: block;
}

/* ===================================
   PROCESS SECTION
   =================================== */
.process-section {
    padding: var(--spacing-2xl) 0;
    background-color: var(--color-black);
}

.process-steps {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    counter-reset: process-counter;
}

@media (min-width: 768px) {
    .process-steps {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-md);
    }
}

.process-step {
    text-align: center;
    padding: var(--spacing-md);
    position: relative;
}

/* MICRO-INTERACTION: Process icon pulse on hover */
.process-icon-wrapper {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100px;
    height: 100px;
    background-color: rgba(255, 215, 0, 0.1);
    border: 2px solid var(--color-yellow);
    border-radius: 50%;
    margin-bottom: var(--spacing-md);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.process-step:hover .process-icon-wrapper {
    transform: scale(1.1);
    box-shadow: 0 0 20px rgba(255, 215, 0, 0.3);
    animation: pulse 0.6s ease-out;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(255, 215, 0, 0.4);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(255, 215, 0, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(255, 215, 0, 0);
    }
}

.process-icon {
    width: 50px;
    height: 50px;
}

.process-title {
    font-size: 1.125rem;
    color: var(--color-yellow);
    margin-bottom: var(--spacing-sm);
}

.process-description {
    color: var(--color-white);
    font-size: 0.9375rem;
    line-height: 1.7;
    opacity: 0.9;
}

/* ===================================
   TESTIMONIALS SECTION
   =================================== */
.testimonials-section {
    padding: var(--spacing-2xl) 0;
    background-color: var(--color-gray-light);
}

.testimonials-carousel {
    position: relative;
    overflow: hidden;
}

.testimonials-track {
    display: flex;
    transition: transform var(--transition-carousel);
}

.testimonial-card {
    flex: 0 0 100%;
    padding: var(--spacing-sm);
}

@media (min-width: 768px) {
    .testimonial-card {
        flex: 0 0 50%;
    }
}

@media (min-width: 1024px) {
    .testimonial-card {
        flex: 0 0 33.333%;
    }
}

.testimonial-quote {
    background-color: var(--color-black);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    position: relative;
    border: 1px solid var(--color-gray);
    min-height: 200px;
    transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

/* MICRO-INTERACTION: Testimonial card edge lighting on hover */
.testimonial-quote:hover {
    border-color: var(--color-yellow);
    box-shadow: 0 4px 0 var(--color-yellow), 0 8px 20px rgba(255, 215, 0, 0.15);
}

.quote-icon {
    color: var(--color-yellow);
    opacity: 0.5;
    margin-bottom: var(--spacing-sm);
}

.testimonial-quote p {
    color: var(--color-white);
    font-style: italic;
    font-size: 0.9375rem;
    line-height: 1.8;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
    margin-top: var(--spacing-md);
    padding-left: var(--spacing-lg);
}

.author-name {
    color: var(--color-yellow);
    font-weight: 700;
    font-family: var(--font-heading);
}

.author-title {
    color: var(--color-gray);
    font-size: 0.875rem;
}

/* Carousel Controls */
.carousel-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.carousel-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background-color: var(--color-black);
    color: var(--color-white);
    border-radius: 50%;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

.carousel-btn:hover {
    background-color: var(--color-yellow);
    color: var(--color-black);
}

.carousel-btn:focus {
    outline: 3px solid var(--color-yellow);
    outline-offset: 2px;
}

.carousel-dots {
    display: flex;
    gap: var(--spacing-xs);
}

.carousel-dot {
    width: 12px;
    height: 12px;
    background-color: var(--color-gray);
    border-radius: 50%;
    border: none;
    cursor: pointer;
    transition: background-color var(--transition-normal), transform var(--transition-normal);
}

.carousel-dot.active,
.carousel-dot:hover {
    background-color: var(--color-yellow);
    transform: scale(1.2);
}

.carousel-pause {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background-color: transparent;
    color: var(--color-gray);
    border: 1px solid var(--color-gray);
    border-radius: var(--radius-sm);
    transition: color var(--transition-normal), border-color var(--transition-normal);
}

.carousel-pause:hover {
    color: var(--color-yellow);
    border-color: var(--color-yellow);
}

/* ===================================
   NEWS SECTION
   =================================== */
.news-section {
    padding: var(--spacing-2xl) 0;
    background-color: var(--color-white);
}

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

@media (min-width: 768px) {
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* MICRO-INTERACTION: News card hover lift */
.news-card {
    background-color: var(--color-black);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--color-gray);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.news-image-wrapper {
    height: 200px;
    overflow: hidden;
}

.news-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.news-card:hover .news-image {
    transform: scale(1.05);
}

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

.news-date {
    display: block;
    color: var(--color-gray);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-xs);
}

.news-title {
    font-size: 1.125rem;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.news-excerpt {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9375rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.news-link {
    color: var(--color-yellow);
    font-weight: 700;
    font-family: var(--font-heading);
    text-transform: uppercase;
    font-size: 0.875rem;
    position: relative;
}

.news-link::after {
    content: ' →';
    transition: transform var(--transition-normal);
    display: inline-block;
}

.news-link:hover::after {
    transform: translateX(4px);
}

/* ===================================
   CONTACT CTA SECTION
   =================================== */
.contact-cta-section {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--color-black) 0%, #1a1a1a 100%);
    position: relative;
}

.contact-cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-yellow), #e6c200, var(--color-yellow));
}

.contact-cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.contact-cta-title {
    font-size: 2rem;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.contact-cta-text {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-lg);
}

.contact-cta-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

@media (min-width: 600px) {
    .contact-cta-buttons {
        flex-direction: row;
        justify-content: center;
    }
}

.contact-info {
    color: var(--color-gray);
    font-size: 0.9375rem;
    line-height: 1.8;
}

.contact-info strong {
    color: var(--color-yellow);
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    background-color: var(--color-black);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
    color: var(--color-white);
}

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

@media (min-width: 600px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
}

.footer-logo {
    max-height: 50px;
    margin-bottom: var(--spacing-sm);
}

.footer-tagline {
    color: var(--color-gray);
    margin-bottom: var(--spacing-sm);
}

.footer-phone a,
.footer-email a {
    color: var(--color-yellow);
    font-weight: 700;
    transition: color var(--transition-normal);
}

.footer-phone a:hover,
.footer-email a:hover {
    color: var(--color-white);
}

.footer-heading {
    font-size: 1rem;
    color: var(--color-yellow);
    margin-bottom: var(--spacing-md);
}

.footer-nav {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.footer-nav a {
    color: var(--color-white);
    font-size: 0.9375rem;
    transition: color var(--transition-normal);
}

.footer-nav a:hover {
    color: var(--color-yellow);
}

/* MICRO-INTERACTION: Social icons scale and color change on hover */
.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    color: var(--color-white);
    border: 1px solid var(--color-gray);
    border-radius: var(--radius-sm);
    transition: color var(--transition-normal), border-color var(--transition-normal), transform var(--transition-normal);
}

.social-link:hover {
    color: var(--color-yellow);
    border-color: var(--color-yellow);
    transform: scale(1.1);
}

.footer-address {
    color: var(--color-gray);
    font-size: 0.875rem;
    line-height: 1.6;
    margin-top: var(--spacing-md);
}

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

.copyright {
    color: var(--color-gray);
    font-size: 0.875rem;
}

/* ===================================
   BACK TO TOP BUTTON
   =================================== */
/* MICRO-INTERACTION: Back to top button with arrow animation */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--color-yellow);
    color: var(--color-black);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: opacity var(--transition-normal), visibility var(--transition-normal), transform var(--transition-normal);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background-color: #e6c200;
    transform: translateY(-5px);
}

.back-to-top:hover svg {
    animation: arrowUp 0.3s ease-in-out;
}

@keyframes arrowUp {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-4px);
    }
}

.back-to-top:focus {
    outline: 3px solid var(--color-black);
    outline-offset: 2px;
}

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

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

/* Mobile menu overlay */
.nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-slow), visibility var(--transition-slow);
    z-index: 999;
}

.nav-overlay.active {
    opacity: 1;
    visibility: visible;
}