/* ===========================
   CSS Variables & Reset
   =========================== */
:root {
    /* Color Palette */
    --primary-blue: #007BFF;
    --dark-blue: #0056B3;
    --primary-green: #28A745;
    --dark-green: #1E7E34;
    --white: #FFFFFF;
    --light-gray: #F8F9FA;
    --medium-gray: #6C757D;
    --dark-gray: #343A40;
    --black: #000000;

    /* Dark Mode Colors */
    --bg-light: #FFFFFF;
    --bg-dark: #1A1A1A;
    --text-light: #212529;
    --text-dark: #F8F9FA;
    --card-light: #FFFFFF;
    --card-dark: #2A2A2A;

    /* Spacing */
    --section-padding: 80px 0;
    --container-padding: 0 20px;

    /* Transitions */
    --transition-fast: 0.3s ease;
    --transition-medium: 0.5s ease;
    --transition-slow: 0.8s ease;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
}

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

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-light);
    background-color: var(--bg-light);
    overflow-x: hidden;
    transition: background-color var(--transition-medium), color var(--transition-medium);
}

section {
    scroll-margin-top: 110px;
}

/* ===========================
   Dark Mode Styles
   =========================== */
body.dark-mode {
    --bg-light: #1A1A1A;
    --text-light: #F8F9FA;
    --card-light: #2A2A2A;
    --light-gray: #2A2A2A;
    --medium-gray: #B0B0B0;
}

body.dark-mode .hero-overlay {
    background: rgba(0, 0, 0, 0.7);
}

body.dark-mode .header-content {
    background: rgba(26, 26, 26, 0.95);
}

body.dark-mode .service-card,
body.dark-mode .project-card,
body.dark-mode .plan-card {
    background: var(--card-dark);
    border-color: #3A3A3A;
}

body.dark-mode input,
body.dark-mode select,
body.dark-mode textarea {
    background: var(--card-dark);
    color: var(--text-dark);
    border-color: #3A3A3A;
}

/* ===========================
   Utility Classes
   =========================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--container-padding);
}

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

.section-padding {
    padding: var(--section-padding);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--dark-blue);
    transition: color var(--transition-medium);
}

body.dark-mode .section-title {
    color: var(--primary-blue);
}

.title-underline {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-green));
    margin-bottom: 30px;
    border-radius: 2px;
}

.title-underline.center {
    margin-left: auto;
    margin-right: auto;
}

.section-description {
    font-size: 1.1rem;
    color: var(--medium-gray);
    margin-bottom: 50px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* ===========================
   Buttons
   =========================== */
.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    cursor: pointer;
    border: none;
    text-align: center;
}

.btn-primary {
    background: var(--primary-blue);
    color: var(--white);
    box-shadow: var(--shadow-sm);
}

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

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

.btn-secondary:hover {
    background: var(--white);
    color: var(--primary-blue);
    transform: translateY(-2px);
}

.btn-pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(0, 123, 255, 0.7);
    }

    50% {
        box-shadow: 0 0 0 15px rgba(0, 123, 255, 0);
    }
}

.btn-submit {
    width: 100%;
    margin-top: 10px;
}

.btn-submit:hover {
    transform: scale(1.02);
}

/* ===========================
   Header / Navigation
   =========================== */
#header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: all var(--transition-fast);
}

#header.scrolled .header-content {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
}

body.dark-mode #header.scrolled .header-content {
    background: rgba(18, 18, 18, 0.95);
    backdrop-filter: blur(12px);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 22px;
    background: transparent;
    backdrop-filter: blur(0);
    box-shadow: none;
    border-radius: 0;
    margin: 0 auto;
    max-width: 1200px;
    transition: all var(--transition-medium);
}

body.dark-mode .header-content {
    background: transparent;
    box-shadow: none;
}

.logo {
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo img {
    height: 45px;
    width: auto;
    transition: transform var(--transition-fast);
}

.logo span {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: -0.5px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    transition: color var(--transition-fast), transform var(--transition-fast);
}

.logo:hover img {
    transform: translateY(-2px);
}

body.dark-mode .logo span {
    color: var(--white);
}

.nav-menu {
    display: flex;
    gap: 24px;
    align-items: center;
    padding: 0;
    background: transparent;
    border-radius: 0;
    border: none;
}

body.dark-mode .nav-menu {
    background: transparent;
    border-color: transparent;
}

.nav-link {
    text-decoration: none;
    color: var(--white);
    font-weight: 600;
    position: relative;
    padding: 8px 0;
    border-radius: 0;
    transition: all var(--transition-fast);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

header.scrolled .nav-link {
    color: var(--dark-blue);
    text-shadow: none;
}

header.scrolled .logo span {
    color: var(--primary-green);
    text-shadow: none;
}

body.dark-mode header.scrolled .nav-link {
    color: var(--white);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

body.dark-mode header.scrolled .logo span {
    color: var(--white);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--white);
    transition: width var(--transition-fast);
    box-shadow: 0 1px 4px rgba(255, 255, 255, 0.5);
}

.nav-link:hover,
.nav-link:focus-visible {
    color: var(--white);
    transform: translateY(-2px);
}

body.dark-mode .nav-link:hover,
body.dark-mode .nav-link:focus-visible {
    color: var(--white);
}

.nav-link:hover::after,
.nav-link:focus-visible::after {
    width: 100%;
}

.header-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

.theme-toggle {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.toggle-track {
    width: 50px;
    height: 26px;
    background: rgba(0, 0, 0, 0.15);
    border: 2px solid var(--primary-blue);
    border-radius: 20px;
    position: relative;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    padding: 0 3px;
}

.toggle-thumb {
    width: 18px;
    height: 18px;
    background: var(--primary-blue);
    border-radius: 50%;
    transition: all var(--transition-fast);
    transform: translateX(0);
}

body.dark-mode .toggle-track {
    background: rgba(0, 123, 255, 0.2);
    border-color: var(--primary-blue);
}

body.dark-mode .toggle-thumb {
    transform: translateX(24px);
    background: var(--primary-blue);
}

.cta-btn {
    white-space: nowrap;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--white);
    transition: all var(--transition-fast);
    border-radius: 2px;
}

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

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

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
}

.hero-slide.active {
    opacity: 1;
}

.hero-section::before,
.hero-section::after {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.28;
    z-index: 2;
    pointer-events: none;
}

.hero-section::before {
    background: var(--primary-blue);
    top: -120px;
    left: -120px;
}

.hero-section::after {
    background: var(--primary-green);
    bottom: -150px;
    right: -100px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 3;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 4;
    text-align: center;
    color: var(--white);
    max-width: 900px;
    padding: 0 20px;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 20px;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
}

.hero-tagline {
    font-size: 2.2rem;
    margin-bottom: 15px;
    font-weight: 600;
    line-height: 1.3;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 40px;
    color: var(--primary-green);
    font-weight: 600;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.5);
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    animation: bounce 2s infinite;
}

.scroll-indicator span {
    font-size: 2rem;
    color: var(--white);
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    40% {
        transform: translateX(-50%) translateY(-10px);
    }

    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* Animation classes for hero */
.animate-fade-in {
    animation: fadeInUp 1s ease forwards;
    opacity: 0;
}

.animate-fade-in:nth-child(1) {
    animation-delay: 0.2s;
}

.animate-fade-in:nth-child(2) {
    animation-delay: 0.4s;
}

.animate-fade-in:nth-child(3) {
    animation-delay: 0.6s;
}

.animate-fade-in:nth-child(4) {
    animation-delay: 0.8s;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

/* ===========================
   About Section
   =========================== */
.about-section {
    background: radial-gradient(circle at 10% 20%, rgba(0, 123, 255, 0.08), transparent 30%),
        radial-gradient(circle at 80% 0%, rgba(40, 167, 69, 0.08), transparent 32%),
        var(--light-gray);
    position: relative;
    overflow: hidden;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text p {
    margin-bottom: 20px;
    font-size: 1.05rem;
    line-height: 1.8;
}

.about-intro {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-blue);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.stat {
    text-align: center;
    padding: 20px;
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}

.stat:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.stat h3 {
    font-size: 2.5rem;
    color: var(--primary-green);
    margin-bottom: 5px;
}

.stat p {
    font-size: 1rem;
    color: var(--medium-gray);
    margin: 0;
}

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

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

.about-image:hover img {
    transform: scale(1.1);
}

/* ===========================
   Services Section
   =========================== */
.services-section {
    background: var(--light-gray);
}

body.dark-mode .services-section {
    background: var(--bg-dark) !important;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.service-card {
    background: var(--card-light);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(0, 0, 0, 0.06);
    overflow: hidden;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
    cursor: pointer;
}

.service-card:hover {
    transform: translateY(-8px) scale(1.01);
    box-shadow: var(--shadow-lg);
    border-color: rgba(0, 123, 255, 0.2);
}

.service-card h3 {
    font-size: 1.25rem;
    margin: 16px 20px 8px;
    color: var(--dark-blue);
}

body.dark-mode .service-card {
    background: var(--card-dark);
    border-color: rgba(255, 255, 255, 0.1);
}

body.dark-mode .service-card h3 {
    color: var(--primary-blue);
}

body.dark-mode .service-card p {
    color: #C8CDD2;
}

.service-card p {
    color: var(--medium-gray);
    font-size: 0.97rem;
    margin: 0 20px 22px;
}

.service-media {
    position: relative;
    width: 100%;
    height: 190px;
    overflow: hidden;
}

.service-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.05);
    transition: transform var(--transition-slow);
}

.service-card:hover .service-media img {
    transform: scale(1.12);
}

.maintenance-plans {
    background: var(--light-gray);
    padding: 50px;
    border-radius: var(--radius-lg);
    margin-top: 40px;
}

.maintenance-plans h3 {
    font-size: 2rem;
    text-align: center;
    color: var(--primary-green);
    margin-bottom: 15px;
}

.maintenance-plans>p {
    text-align: center;
    font-size: 1.1rem;
    margin-bottom: 40px;
    color: var(--medium-gray);
}

.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.plan-card {
    background: var(--white);
    padding: 30px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border-top: 4px solid var(--primary-blue);
    transition: all var(--transition-fast);
}

.plan-card:nth-child(2) {
    border-top-color: var(--primary-green);
}

.plan-card:nth-child(3) {
    border-top-color: var(--dark-blue);
}

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

.plan-card h4 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--dark-blue);
}

body.dark-mode .plan-card h4 {
    color: var(--primary-blue);
}

.plan-card ul {
    list-style: none;
}

.plan-card li {
    padding: 10px 0;
    padding-left: 25px;
    position: relative;
    color: var(--medium-gray);
}

.plan-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-green);
    font-weight: bold;
}

/* ===========================
   Projects Section
   =========================== */
.projects-section {
    background: var(--light-gray);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.project-card {
    background: var(--card-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-fast);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.project-images {
    position: relative;
    overflow: hidden;
    height: 300px;
}

.project-images img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.project-card:hover .project-images img {
    transform: scale(1.1);
}

.before-after {
    display: grid;
    grid-template-columns: 1fr 1fr;
    height: 100%;
}

.image-container {
    position: relative;
    overflow: hidden;
}

.image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.label {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.7);
    color: var(--white);
    padding: 5px 15px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
}

.project-info {
    padding: 25px;
}

.project-info h3 {
    font-size: 1.4rem;
    margin-bottom: 10px;
    color: var(--dark-blue);
}

body.dark-mode .project-info h3 {
    color: var(--primary-blue);
}

.project-info p {
    color: var(--medium-gray);
    line-height: 1.6;
}

/* ===========================
   Process Section
   =========================== */
.process-section {
    background: var(--light-gray);
}

body.dark-mode .process-section {
    background: var(--bg-dark) !important;
}

.process-timeline {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    max-width: 1100px;
    margin: 0 auto;
    position: relative;
    padding: 20px 0;
}

.process-timeline::before {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 45px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-green));
    z-index: 0;
}

.process-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    z-index: 1;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    font-weight: 700;
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.3);
    margin-bottom: 16px;
    border: 4px solid var(--bg-light);
    transition: all var(--transition-fast);
}

.process-step:hover .step-number {
    transform: scale(1.15);
    box-shadow: 0 6px 20px rgba(0, 123, 255, 0.5);
}

.process-step h3 {
    font-size: 1.15rem;
    margin-bottom: 10px;
    color: var(--dark-blue);
    font-weight: 700;
}

body.dark-mode .process-step h3 {
    color: var(--primary-blue);
}

.process-step p {
    color: var(--medium-gray);
    font-size: 0.92rem;
    line-height: 1.5;
}

.quality-commitment {
    margin-top: 60px;
    background: var(--light-gray);
    padding: 50px;
    border-radius: var(--radius-lg);
    text-align: center;
}

body.dark-mode .quality-commitment {
    background: var(--card-dark);
}

.quality-commitment h3 {
    font-size: 2rem;
    margin-bottom: 40px;
    color: var(--primary-green);
}

.commitment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.commitment-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.commitment-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-green);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: bold;
}

.commitment-item p {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--dark-blue);
}

body.dark-mode .commitment-item p {
    color: var(--text-dark);
}

/* ===========================
   Contact Section
   =========================== */
.contact-section {
    background: var(--light-gray);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
    align-items: start;
}

.contact-left {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-info {
    background: var(--card-light);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 30px;
    color: var(--primary-green);
    text-align: center;
}

.info-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    margin-bottom: 30px;
}

.info-item.featured {
    background: linear-gradient(135deg, rgba(0, 123, 255, 0.08), rgba(40, 167, 69, 0.08));
    padding: 30px;
    border-radius: var(--radius-md);
    margin-bottom: 40px;
}

.info-icon {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    stroke: var(--primary-blue);
    fill: none;
}

.info-item.featured .info-icon {
    width: 40px;
    height: 40px;
    stroke: var(--primary-green);
}

.info-item .phone-number {
    font-size: 1.8rem;
    font-weight: 700;
    display: block;
    margin: 10px 0;
}

.info-item .call-hours {
    font-size: 0.95rem;
    color: var(--medium-gray);
    margin-top: 8px;
}

.info-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.info-item h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
    color: var(--dark-blue);
}

body.dark-mode .info-item h4 {
    color: var(--primary-blue);
}

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

.info-item a:hover {
    color: var(--dark-blue);
    text-decoration: underline;
}

.info-item p {
    color: var(--medium-gray);
    margin: 0;
}

.social-links {
    background: var(--card-light);
    padding: 30px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.social-links h4 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: var(--dark-blue);
    text-align: center;
}

body.dark-mode .social-links h4 {
    color: var(--primary-blue);
}

.social-icons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
}

.social-icons a {
    width: 46px;
    height: 46px;
    border: 1px solid rgba(0, 0, 0, 0.12);
    color: var(--primary-blue);
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(145deg, rgba(0, 123, 255, 0.08), rgba(40, 167, 69, 0.06));
    transition: all var(--transition-fast);
    text-decoration: none;
    font-weight: 700;
    font-size: 0.7rem;
    letter-spacing: 0.5px;
}

body.dark-mode .social-icons a {
    border-color: rgba(255, 255, 255, 0.18);
    color: var(--text-dark);
    background: linear-gradient(145deg, rgba(0, 123, 255, 0.14), rgba(40, 167, 69, 0.12));
}

.social-icons a:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    color: var(--white);
    background: var(--primary-blue);
}

body.dark-mode .social-icons a:hover {
    color: var(--white);
    background: var(--primary-blue);
}

.map-container {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    min-height: 450px;
    height: 100%;
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* ===========================
   Footer
   =========================== */
.footer {
    background: var(--dark-gray);
    color: var(--white);
    padding: 70px 0 30px;
    margin-top: 80px;
}

body.dark-mode .footer {
    background: #0A0A0A;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 32px;
    align-items: flex-start;
}

.footer-logo {
    height: 50px;
    width: auto;
    margin-bottom: 12px;
}

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
    color: var(--primary-green);
}

.footer-brand p {
    color: #B0B0B0;
    line-height: 1.7;
    margin-bottom: 16px;
}

.footer-links,
.footer-contact,
.footer-social {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links h4,
.footer-contact h4,
.footer-social h4 {
    font-size: 1.1rem;
    margin-bottom: 6px;
    color: var(--primary-blue);
}

.footer-links a {
    color: #C8CDD2;
    text-decoration: none;
    transition: color var(--transition-fast), padding var(--transition-fast);
}

.footer-links a:hover {
    color: var(--primary-green);
    padding-left: 4px;
}

.footer-contact p {
    color: #C8CDD2;
    margin: 0;
    display: flex;
    gap: 6px;
    align-items: center;
}

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

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

.footer-social .social-icons {
    gap: 10px;
}

.footer-social .social-icons.compact a {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    border-width: 1px;
}

.footer-bottom {
    text-align: center;
    padding-top: 26px;
    margin-top: 32px;
    border-top: 1px solid #3A3A3A;
}

.footer-bottom p {
    color: #8A8F95;
    margin: 4px 0;
    font-size: 0.92rem;
}

/* ===========================
   Scroll Animations
   =========================== */
.scroll-animate {
    opacity: 0;
    transform: translateY(50px) scale(0.98);
    filter: blur(4px);
    transition: transform var(--transition-slow), opacity var(--transition-slow), filter var(--transition-medium);
}

.scroll-animate.visible {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
}

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

/* Tablet */
@media (max-width: 968px) {
    .hero-title {
        font-size: 3rem;
    }

    .hero-tagline {
        font-size: 1.3rem;
    }

    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

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

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

    .process-timeline::before {
        left: 40px;
    }

    .process-step {
        grid-template-columns: 80px 1fr;
        gap: 20px;
    }

    .process-step:nth-child(odd) .step-content,
    .process-step:nth-child(even) .step-content {
        grid-column: 2;
        text-align: left;
    }

    .process-step:nth-child(odd) .step-number,
    .process-step:nth-child(even) .step-number {
        grid-column: 1;
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }

    .map-container {
        min-height: 350px;
    }
}

/* Mobile */
@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
    }

    .header-content {
        padding: 15px 20px;
        background: rgba(0, 0, 0, 0.5);
        backdrop-filter: blur(10px);
    }

    body.dark-mode .header-content {
        background: rgba(0, 0, 0, 0.7);
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(0, 0, 0, 0.95);
        flex-direction: column;
        justify-content: flex-start;
        padding: 40px 20px;
        transition: left var(--transition-fast);
        box-shadow: var(--shadow-lg);
    }

    body.dark-mode .nav-menu {
        background: rgba(0, 0, 0, 0.98);
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }

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

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    .cta-btn {
        display: none;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-tagline {
        font-size: 1.1rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .hero-buttons .btn {
        width: 100%;
    }

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

    .services-grid,
    .projects-grid {
        grid-template-columns: 1fr;
    }

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

    .process-timeline {
        grid-template-columns: 1fr 1fr;
        gap: 30px 15px;
    }

    .process-timeline::before {
        display: none;
    }

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

    .contact-left {
        gap: 20px;
    }

    .contact-info,
    .social-links {
        padding: 25px;
    }

    .map-container {
        min-height: 300px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .social-icons {
        gap: 10px;
    }

    .social-icons a {
        width: 42px;
        height: 42px;
        font-size: 0.65rem;
    }

    .info-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .info-item.featured {
        padding: 20px;
    }

    .before-after {
        grid-template-columns: 1fr;
    }

    .image-container {
        height: 200px;
    }
}

@media (max-width: 480px) {
    .logo span {
        font-size: 1.1rem;
    }

    .logo img {
        height: 35px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-tagline {
        font-size: 1rem;
    }

    .hero-subtitle {
        font-size: 0.9rem;
    }

    .section-title {
        font-size: 1.7rem;
    }

    .maintenance-plans,
    .quality-commitment {
        padding: 30px 20px;
    }

    .contact-info,
    .social-links {
        padding: 20px;
    }

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

    .process-timeline {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .info-item h4 {
        font-size: 1rem;
    }

    .info-item .phone-number {
        font-size: 1.4rem;
    }

    .social-icons a {
        width: 38px;
        height: 38px;
        font-size: 0.6rem;
    }

    .header-actions {
        gap: 10px;
    }

    .toggle-track {
        width: 45px;
        height: 24px;
    }

    .toggle-thumb {
        width: 16px;
        height: 16px;
    }

    body.dark-mode .toggle-thumb {
        transform: translateX(21px);
    }
}

/* ===========================
   Performance Optimizations
   =========================== */
.hero-section,
.about-image img,
.project-images img,
.service-icon {
    will-change: transform;
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}