/* ===================================
   Premium HVAC Website - Main Styles
   =================================== */

/* CSS Variables */
:root {
    --primary-color: #0066cc;
    --primary-dark: #004999;
    --primary-light: #3385d6;
    --secondary-color: #00b4d8;
    --accent-color: #ff6b35;
    --dark-color: #1a1a2e;
    --text-color: #333333;
    --text-light: #666666;
    --white: #ffffff;
    --light-bg: #f8f9fa;
    --border-color: #e0e0e0;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base Styles */
* {
    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;
    color: var(--text-color);
    line-height: 1.7;
    overflow-x: hidden;
    background: var(--white);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    color: var(--dark-color);
}

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

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

/* Container */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Section Styling */
section {
    padding: 100px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-label {
    display: inline-block;
    color: var(--primary-color);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.875rem;
    margin-bottom: 12px;
}

.section-title {
    font-size: 2.75rem;
    margin-bottom: 16px;
    color: var(--dark-color);
}

.section-description {
    font-size: 1.125rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    font-weight: 600;
    font-size: 1rem;
    border-radius: 50px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
}

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

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-3px);
}

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

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

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

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

.btn-large {
    padding: 18px 42px;
    font-size: 1.125rem;
}

/* ===================================
   Navigation
   =================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
}

.logo i {
    font-size: 2rem;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 35px;
}

.nav-link {
    font-weight: 500;
    color: var(--text-color);
    position: relative;
    padding: 8px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s;
}

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

.nav-link.active {
    color: var(--primary-color);
}

.btn-nav {
    padding: 10px 28px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50px;
    font-weight: 600;
}

.btn-nav:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
}

.hamburger span {
    width: 28px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 3px;
    transition: var(--transition);
}

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

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.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;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.85), rgba(0, 73, 153, 0.9));
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
}

.hero-text {
    color: var(--white);
}

.hero-title {
    font-size: 3.5rem;
    color: var(--white);
    margin-bottom: 24px;
    line-height: 1.15;
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    font-size: 1.375rem;
    margin-bottom: 40px;
    opacity: 0.95;
    font-weight: 300;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease 0.4s both;
}

.hero-badges {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    animation: fadeInRight 1s ease 0.6s both;
}

.badge-card {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 24px;
    border-radius: 16px;
    text-align: center;
    color: var(--white);
    transition: var(--transition);
}

.badge-card:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-5px);
}

.badge-card i {
    font-size: 2.5rem;
    margin-bottom: 12px;
    display: block;
    color: var(--secondary-color);
}

.badge-card span {
    font-weight: 600;
    font-size: 0.9rem;
    display: block;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    color: var(--white);
    font-size: 2rem;
    animation: bounce 2s infinite;
    cursor: pointer;
}

/* ===================================
   Services Section
   =================================== */

.services {
    background: var(--light-bg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    cursor: pointer;
}

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

.service-image {
    width: 100%;
    height: 240px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.service-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent, rgba(0, 0, 0, 0.3));
}

.service-content {
    padding: 30px;
}

.service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: var(--white);
    margin-bottom: 20px;
    box-shadow: var(--shadow-md);
}

.service-content h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--dark-color);
}

.service-content p {
    color: var(--text-light);
    margin-bottom: 20px;
    font-size: 1rem;
}

.service-link {
    color: var(--primary-color);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.service-link:hover {
    gap: 12px;
    color: var(--primary-dark);
}

/* ===================================
   About Section
   =================================== */

.about {
    background: var(--white);
}

.about-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

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

.experience-badge {
    position: absolute;
    bottom: 30px;
    right: 30px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.experience-number {
    font-size: 3rem;
    font-weight: 800;
    display: block;
    line-height: 1;
}

.experience-text {
    font-size: 0.875rem;
    font-weight: 600;
    margin-top: 8px;
    display: block;
}

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

.about-content .section-header {
    text-align: left;
    margin-bottom: 30px;
}

.about-text {
    font-size: 1.0625rem;
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.8;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
    margin-top: 40px;
}

.stat-card {
    text-align: center;
    padding: 30px 20px;
    background: var(--light-bg);
    border-radius: 16px;
    transition: var(--transition);
}

.stat-card:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-5px);
}

.stat-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.stat-card:hover i {
    color: var(--white);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
    display: block;
    margin-bottom: 8px;
}

.stat-card:hover .stat-number {
    color: var(--white);
}

.stat-label {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-color);
}

.stat-card:hover .stat-label {
    color: var(--white);
}

/* ===================================
   Accreditations Section
   =================================== */

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

.accreditations .section-label {
    color: var(--secondary-color);
}

.accreditations .section-title,
.accreditations .section-description {
    color: var(--white);
}

.accreditations-slider {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 30px;
    padding: 20px 0;
}

.accreditation-item {
    display: flex;
    align-items: center;
    justify-content: center;
}

.accreditation-logo {
    text-align: center;
    padding: 30px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
    width: 100%;
}

.accreditation-logo:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
}

.accreditation-logo i {
    font-size: 3rem;
    color: var(--white);
    opacity: 0.7;
    margin-bottom: 15px;
}

.accreditation-logo span {
    display: block;
    font-weight: 600;
    font-size: 0.9375rem;
    opacity: 0.8;
}

/* ===================================
   Projects Section
   =================================== */

.projects {
    background: var(--light-bg);
}

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

.project-card {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

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

.project-image {
    width: 100%;
    height: 280px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.project-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent 50%, rgba(0, 0, 0, 0.6));
}

.project-content {
    padding: 35px;
}

.project-tag {
    display: inline-block;
    background: var(--primary-color);
    color: var(--white);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 15px;
}

.project-content h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--dark-color);
}

.project-location {
    color: var(--text-light);
    font-size: 0.9375rem;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.project-description {
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.7;
}

.project-stats {
    display: flex;
    gap: 20px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}

.project-stats span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    color: var(--text-color);
    font-weight: 600;
    background: var(--light-bg);
    padding: 8px 16px;
    border-radius: 20px;
}

.project-stats i {
    color: var(--primary-color);
}

/* ===================================
   Industries Section
   =================================== */

.industries {
    background: var(--white);
}

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

.industry-card {
    background: var(--light-bg);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

.industry-card:hover {
    background: var(--white);
    border-color: var(--primary-color);
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.industry-icon {
    width: 90px;
    height: 90px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 2.5rem;
    color: var(--white);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.industry-card:hover .industry-icon {
    transform: scale(1.1) rotate(5deg);
}

.industry-card h3 {
    font-size: 1.375rem;
    margin-bottom: 12px;
    color: var(--dark-color);
}

.industry-card p {
    color: var(--text-light);
    line-height: 1.7;
}

/* ===================================
   Testimonials Section
   =================================== */

.testimonials {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    position: relative;
    overflow: hidden;
}

.testimonials-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/></svg>');
    opacity: 0.3;
}

.testimonials .section-label {
    color: var(--secondary-color);
}

.testimonials .section-title,
.testimonials .section-description {
    color: var(--white);
}

.testimonials-slider {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.testimonial-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 40px;
    border-radius: 20px;
    color: var(--white);
    transition: var(--transition);
}

.testimonial-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-10px);
}

.stars {
    display: flex;
    gap: 5px;
    margin-bottom: 20px;
    font-size: 1.25rem;
    color: #ffd700;
}

.testimonial-text {
    font-size: 1.0625rem;
    line-height: 1.8;
    margin-bottom: 25px;
    font-style: italic;
    opacity: 0.95;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.author-avatar {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.author-info h4 {
    font-size: 1.125rem;
    color: var(--white);
    margin-bottom: 4px;
}

.author-info span {
    font-size: 0.9375rem;
    opacity: 0.8;
}

.slider-controls {
    display: flex;
    justify-content: center;
    gap: 15px;
}

.slider-btn {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    color: var(--white);
    font-size: 1.25rem;
    cursor: pointer;
    transition: var(--transition);
}

.slider-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

/* ===================================
   Brands Section
   =================================== */

.brands {
    background: var(--light-bg);
}

.brands-slider {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 30px;
}

.brand-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 30px;
    background: var(--white);
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    opacity: 0.7;
}

.brand-item:hover {
    opacity: 1;
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.brand-item i {
    font-size: 3.5rem;
    color: var(--text-color);
    margin-bottom: 15px;
}

.brand-item span {
    font-weight: 600;
    font-size: 1.0625rem;
    color: var(--text-color);
}

/* ===================================
   CTA Section
   =================================== */

.cta {
    background: linear-gradient(135deg, var(--dark-color), #16213e);
    position: relative;
    overflow: hidden;
    color: var(--white);
}

.cta-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="2" fill="rgba(0,102,204,0.2)"/></svg>');
    opacity: 0.5;
}

.cta-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.cta-title {
    font-size: 3rem;
    color: var(--white);
    margin-bottom: 20px;
    line-height: 1.2;
}

.cta-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 40px;
}

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

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

.footer {
    background: var(--dark-color);
    color: var(--white);
    padding: 80px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
    gap: 50px;
    margin-bottom: 50px;
}

.footer-column h3 {
    font-size: 1.25rem;
    margin-bottom: 25px;
    color: var(--white);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 20px;
}

.footer-logo i {
    font-size: 2rem;
    color: var(--secondary-color);
}

.footer-about {
    line-height: 1.8;
    opacity: 0.85;
    margin-bottom: 25px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.125rem;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    opacity: 0.85;
    transition: var(--transition);
}

.footer-links a:hover {
    opacity: 1;
    color: var(--secondary-color);
    padding-left: 5px;
}

.footer-contact {
    list-style: none;
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 15px;
    opacity: 0.85;
}

.footer-contact i {
    color: var(--secondary-color);
    margin-top: 4px;
    font-size: 1.125rem;
}

.footer-map {
    margin-top: 25px;
    border-radius: 12px;
    overflow: hidden;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 30px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-bottom-left p {
    opacity: 0.7;
}

.footer-bottom-right {
    display: flex;
    gap: 15px;
    align-items: center;
    flex-wrap: wrap;
}

.footer-bottom-right a {
    opacity: 0.7;
    font-size: 0.9375rem;
    transition: var(--transition);
}

.footer-bottom-right a:hover {
    opacity: 1;
    color: var(--secondary-color);
}

.footer-bottom-right span {
    opacity: 0.3;
}

/* ===================================
   Scroll to Top Button
   =================================== */

.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 55px;
    height: 55px;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 50%;
    font-size: 1.25rem;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-5px);
}

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

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

@media (max-width: 1024px) {
    .section-title {
        font-size: 2.25rem;
    }
    
    .hero-title {
        font-size: 2.75rem;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-badges {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .about-wrapper {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-title {
        font-size: 2.25rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .hero-badges {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .nav-menu {
        position: fixed;
        top: 72px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 72px);
        background: var(--white);
        flex-direction: column;
        padding: 40px 20px;
        box-shadow: var(--shadow-lg);
        transition: left 0.3s;
        align-items: flex-start;
    }
    
    .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);
    }
    
    .services-grid,
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonials-slider {
        grid-template-columns: 1fr;
    }
    
    .cta-title {
        font-size: 2rem;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-bottom-right {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.875rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-large {
        width: 100%;
        justify-content: center;
    }
    
    .industries-grid {
        grid-template-columns: 1fr;
    }
    
    .brands-slider {
        grid-template-columns: repeat(2, 1fr);
    }
}