/* ============================================
   ELECTROHUB - COMPLETE RESPONSIVE CSS
   Professional Electronics Components Distributor
   ============================================ */

/* ============ CSS VARIABLES ============ */
:root {
    --primary-dark: #1a365d;
    --primary-blue: #2d5a8c;
    --secondary-blue: #4a7ba7;
    --accent-orange: #ff6b35;
    --accent-red: #ff5722;
    --text-dark: #2d3748;
    --text-light: #718096;
    --white: #ffffff;
    --light-gray: #f7fafc;
    --medium-gray: #edf2f7;
    --dark-gray: #cbd5e0;
    --success-green: #22863a;
    --warning-yellow: #ffc107;
    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Raleway', sans-serif;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s ease-out;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

/* ============ GLOBAL STYLES ============ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font-primary);
    color: var(--text-dark);
    background: var(--white);
    line-height: 1.6;
    font-size: 16px;
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

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

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

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

/* ============ HEADER ============ */

.logo-img {
    height: 60px;
    margin-right: -20px;
    vertical-align: middle;
}

.header {
    background: var(--white);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-top {
    background: var(--primary-dark);
    color: var(--white);
    font-size: 13px;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header-top .container {
    display: flex;
    justify-content: flex-end;
}

.header-top-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.header-top-left {
    display: none;
}

.header-top-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.header-top a {
    color: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    gap: 5px;
    transition: var(--transition);
}

.header-top a:hover {
    color: var(--accent-orange);
}

.divider {
    color: rgba(255, 255, 255, 0.3);
}

.login-btn,
.register-btn {
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.9);
}

.login-btn:hover,
.register-btn:hover {
    background: rgba(255, 107, 53, 0.2);
    color: var(--accent-orange);
}

.header-main {
    padding: var(--spacing-md) 0;
    background: var(--white);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-dark);
    white-space: nowrap;
    min-width: fit-content;
}

.logo i {
    color: var(--accent-orange);
    font-size: 28px;
}

.logo strong {
    color: var(--accent-orange);
}

.search-bar {
    flex: 1;
    max-width: 400px;
    display: flex;
    align-items: center;
    background: var(--light-gray);
    border-radius: var(--radius-lg);
    padding: 8px 12px;
    transition: var(--transition);
}

.search-bar:focus-within {
    box-shadow: 0 0 0 3px rgba(45, 90, 140, 0.1);
}

.search-bar input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    font-size: 14px;
    color: var(--text-dark);
}

.search-bar input::placeholder {
    color: var(--text-light);
}

.search-bar button {
    background: transparent;
    color: var(--text-light);
    padding: 4px 8px;
    transition: var(--transition);
    border: none;
}

.search-bar button:hover {
    color: var(--accent-orange);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.account-menu,
.cart-icon {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    padding: 8px 12px;
    border-radius: var(--radius-md);
    transition: var(--transition);
    color: var(--text-dark);
    font-weight: 500;
    background: transparent;
    border: none;
}

.account-menu:hover,
.cart-icon:hover {
    background: var(--light-gray);
    color: var(--accent-orange);
}

.account-menu i:first-child,
.cart-icon i {
    font-size: 20px;
}

.cart-icon {
    position: relative;
}

.cart-count {
    position: absolute;
    top: 4px;
    right: 4px;
    background: var(--accent-orange);
    color: var(--white);
    font-size: 10px;
    font-weight: 700;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    background: transparent;
    gap: 5px;
    padding: 4px;
    border: none;
    cursor: pointer;
    z-index: 1002;
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--primary-dark);
    border-radius: 1px;
    transition: var(--transition);
    display: block;
}

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

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

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
}

/* ============ NAVIGATION ============ */
.navbar {
    background: var(--white);
    border-top: 1px solid var(--medium-gray);
    padding: 0;
    position: relative;
    z-index: 1000;
    overflow: visible;
}

.nav-menu {
    list-style: none;
    display: flex;
    gap: 0;
}

.nav-item {
    position: relative;
    overflow: visible;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--text-dark);
    font-weight: 500;
    font-size: 14px;
    transition: var(--transition);
    border-bottom: 2px solid transparent;
    white-space: nowrap;
}

.nav-link:hover {
    color: var(--accent-orange);
    background: var(--light-gray);
}

.nav-item.active .nav-link {
    border-bottom-color: var(--accent-orange);
    color: var(--accent-orange);
}

.cta-link {
    font-weight: 600;
}

/* ============ DROPDOWNS ============ */
.dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    display: none;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-lg);
    min-width: 280px;
    z-index: 1001;
    opacity: 0;
    transform: translateY(-10px);
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.nav-item:hover > .dropdown:not(.mega-dropdown) {
    display: block;
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.dropdown-header {
    font-size: 12px;
    font-weight: 700;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-md);
}

.dropdown-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    color: var(--text-dark);
    border-radius: var(--radius-md);
    transition: var(--transition);
    font-size: 13px;
}

.dropdown-item:hover {
    background: var(--light-gray);
    color: var(--accent-orange);
    padding-left: 16px;
}

.dropdown-item i {
    color: var(--accent-orange);
}

.mega-dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-10px);
    width: 900px;
    max-width: calc(100vw - 40px);
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    padding: var(--spacing-xl);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    z-index: 1001;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.nav-item:hover > .mega-dropdown {
    display: grid;
    opacity: 1;
    transform: translateX(-50%) translateY(0);
    pointer-events: auto;
}

.dropdown-section {
    display: flex;
    flex-direction: column;
    padding: 0 var(--spacing-lg);
    border-right: 1px solid var(--light-gray);
}

.dropdown-section:last-child {
    border-right: none;
}

.dropdown-section h4 {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--primary-dark);
    margin-bottom: 10px;
    padding-bottom: 6px;
    border-bottom: 2px solid var(--accent-orange);
}

.dropdown-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.dropdown-section a {
    font-size: 13px;
    color: var(--text-dark);
    padding: 6px 0;
    line-height: 1.4;
    transition: var(--transition);
}

.dropdown-section a:hover {
    color: var(--accent-orange);
    padding-left: 6px;
}

.view-all-btn {
    display: block;
    text-align: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--light-gray);
    color: var(--primary-dark);
    border-radius: var(--radius-md);
    font-size: 12px;
    font-weight: 700;
    transition: var(--transition);
    margin-top: var(--spacing-md);
}

.view-all-btn:hover {
    background: var(--accent-orange);
    color: var(--white);
}

/* ============ HERO SECTION ============ */
.hero {
    height: 500px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-blue) 100%);
}

.hero-carousel {
    position: relative;
    height: 100%;
    width: 100%;
}

.carousel-item {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.6s ease-in-out;
}

.carousel-item.active {
    opacity: 1;
}

.carousel-content {
    text-align: center;
    color: var(--white);
    z-index: 2;
    animation: fadeInUp 0.8s ease-out;
}

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

.carousel-content h1 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.carousel-content p {
    font-size: 20px;
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
}

.cta-button {
    display: inline-block;
    padding: 14px 40px;
    background: var(--accent-orange);
    color: var(--white);
    border-radius: var(--radius-lg);
    font-weight: 700;
    font-size: 14px;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    background: var(--accent-red);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 107, 53, 0.4);
}

.carousel-controls {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    z-index: 3;
}

.carousel-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    color: var(--white);
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    border: none;
    cursor: pointer;
}

.carousel-btn:hover {
    background: var(--accent-orange);
    transform: scale(1.1);
}

.carousel-dots {
    display: flex;
    gap: 8px;
}

.carousel-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.carousel-dot.active {
    background: var(--accent-orange);
    width: 30px;
    border-radius: 6px;
}

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

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

.stat-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

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

.stat-card i {
    font-size: 36px;
    color: var(--accent-orange);
}

.stat-content h3 {
    font-size: 28px;
    color: var(--primary-dark);
    font-weight: 700;
    margin-bottom: 4px;
}

.stat-content p {
    color: var(--text-light);
    font-size: 13px;
}

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

.section-title {
    text-align: center;
    font-size: 36px;
    font-weight: 800;
    color: var(--primary-dark);
    margin-bottom: var(--spacing-xl);
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--accent-orange);
    border-radius: 2px;
    margin: var(--spacing-md) auto 0;
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.category-grid-3x2 {
    grid-template-columns: repeat(5, 1fr);
}

.category-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    background: var(--white);
    border: 2px solid var(--medium-gray);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.category-card:hover {
    border-color: var(--accent-orange);
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.05) 0%, rgba(255, 107, 53, 0.02) 100%);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.category-card i {
    font-size: 48px;
    color: var(--accent-orange);
    margin-bottom: var(--spacing-md);
    transition: var(--transition);
}

.category-card h3 {
    font-size: 16px;
    color: var(--text-dark);
    font-weight: 600;
}

.category-card:hover i {
    transform: scale(1.2) rotate(10deg);
}

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

.about-content {
    margin-top: var(--spacing-xl);
}

.about-intro {
    margin-bottom: var(--spacing-2xl);
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.about-intro h3 {
    font-size: 28px;
    color: var(--primary-dark);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
}

.about-intro p {
    font-size: 16px;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.about-card {
    padding: var(--spacing-xl);
    background: var(--light-gray);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

.about-card:hover {
    border-color: var(--accent-orange);
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.05) 0%, rgba(255, 107, 53, 0.02) 100%);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.about-card i {
    font-size: 40px;
    color: var(--accent-orange);
    margin-bottom: var(--spacing-lg);
    display: block;
    transition: var(--transition);
}

.about-card:hover i {
    transform: scale(1.15) rotate(10deg);
}

.about-card h4 {
    font-size: 18px;
    color: var(--primary-dark);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.about-card p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

.about-values {
    background: var(--light-gray);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-2xl);
}

.about-values h3 {
    font-size: 28px;
    color: var(--primary-dark);
    font-weight: 700;
    margin-bottom: var(--spacing-xl);
    text-align: center;
    position: relative;
}

.about-values h3::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--accent-orange);
    margin: var(--spacing-md) auto 0;
}

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

.value-item {
    padding: var(--spacing-lg);
    background: var(--white);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--accent-orange);
    transition: var(--transition);
}

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

.value-item h5 {
    font-size: 18px;
    color: var(--primary-dark);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.value-item p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

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

.about-cta .btn {
    padding: 14px 40px;
    font-size: 16px;
}

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

.quote-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
    margin-top: var(--spacing-xl);
}

.quote-steps,
.quote-info {
    margin-bottom: var(--spacing-xl);
}

.quote-steps h3,
.quote-info h3 {
    font-size: 24px;
    margin-bottom: var(--spacing-lg);
    color: var(--primary-dark);
    font-weight: 700;
}

.quote-steps h3::after,
.quote-info h3::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--accent-orange);
    margin-top: 12px;
}

.quote-info p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.step-item {
    position: relative;
    padding: var(--spacing-xl);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
}

.step-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.step-number {
    position: absolute;
    top: -26px;
    left: 50%;
    transform: translateX(-50%);
    width: 54px;
    height: 54px;
    background: linear-gradient(135deg, var(--accent-orange), var(--accent-red));
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    font-weight: 700;
    box-shadow: 0 10px 22px rgba(255, 107, 53, 0.35);
}

.step-item h4 {
    margin-top: calc(var(--spacing-lg) + 10px);
    margin-bottom: var(--spacing-sm);
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-dark);
}

.step-item p {
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-light);
}

.quick-contact {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.quick-contact p {
    margin: var(--spacing-sm) 0;
    font-size: 15px;
    color: var(--text-dark);
}

.quick-contact strong {
    color: var(--primary-dark);
}

.quick-contact i {
    margin-right: 8px;
    color: var(--accent-orange);
    width: 20px;
    text-align: center;
}

.quote-form {
    padding: var(--spacing-xl);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    grid-column: 1 / -1;
}

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

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-dark);
    font-weight: 600;
    font-size: 14px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--dark-gray);
    border-radius: var(--radius-md);
    font-size: 15px;
    font-family: inherit;
    color: var(--text-dark);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-orange);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.12);
}

.form-group input.error,
.form-group textarea.error {
    border-color: #cb2431;
    background: rgba(203, 36, 49, 0.05);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
    font-family: inherit;
}

.form-group small {
    display: block;
    margin-top: 6px;
    color: var(--text-light);
    font-size: 13px;
}

.error-message {
    display: block;
    color: #cb2431;
    font-size: 12px;
    margin-top: 4px;
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.service-card {
    padding: var(--spacing-xl);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--accent-orange);
    transition: var(--transition);
    text-align: center;
}

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

.service-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent-orange) 0%, var(--accent-red) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 28px;
    margin: 0 auto var(--spacing-lg);
    transition: var(--transition);
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(10deg);
}

.service-card h3 {
    font-size: 18px;
    color: var(--primary-dark);
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
}

.service-card p {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.6;
}

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

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

.contact-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.info-card {
    padding: var(--spacing-lg);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
}

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

.info-card i {
    font-size: 28px;
    color: var(--accent-orange);
    margin-bottom: var(--spacing-md);
}

.info-card h3 {
    color: var(--primary-dark);
    margin-bottom: var(--spacing-sm);
    font-size: 16px;
    font-weight: 700;
}

.info-card p {
    color: var(--text-light);
    font-size: 13px;
    line-height: 1.6;
}

.contact-form {
    padding: var(--spacing-lg);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

/* ============ BUTTONS ============ */
.btn {
    display: inline-block;
    padding: 12px 32px;
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 14px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    text-decoration: none;
    text-align: center;
}

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

.btn-primary:hover {
    background: var(--accent-red);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
}

.btn-large {
    padding: 16px 48px;
    font-size: 16px;
    width: 100%;
    max-width: 320px;
    margin: var(--spacing-xl) auto 0;
    display: block;
}

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

/* ============ BACK TO TOP ============ */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--accent-orange);
    color: var(--white);
    border-radius: 50%;
    display: flex !important;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 999;
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
    border: none;
}

.back-to-top:hover {
    background: var(--accent-red);
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

/* ============ FOOTER ============ */
.footer {
    background: var(--primary-dark);
    color: var(--white);
}

.footer-main {
    padding: var(--spacing-2xl) 0 var(--spacing-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.footer-section h4 {
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: var(--spacing-lg);
    color: var(--accent-orange);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-section a {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 13px;
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--accent-orange);
    padding-left: 4px;
}

.footer-section i {
    width: 16px;
    text-align: center;
}

.footer-bottom {
    background: rgba(0, 0, 0, 0.3);
    padding: var(--spacing-lg) 0;
}

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

.trust-badges {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.trust-badges span {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.7);
}

.trust-badges i {
    color: var(--accent-orange);
}

.footer-text {
    text-align: center;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.7);
    flex: 1;
}

.footer-text a {
    color: var(--accent-orange);
    transition: var(--transition);
}

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

/* ============ UTILITY CLASSES ============ */
.hide-on-mobile {
    display: inline;
}

.visible {
    display: block !important;
}

.hidden {
    display: none !important;
}

.fade-in {
    animation: fadeInUp 0.6s ease-out;
}

.notification-container {
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: 9999;
    max-width: 400px;
}

/* ============ RESPONSIVE DESIGN ============ */

/* Large Devices - 1024px and above */
@media (min-width: 1024px) {
    .header-actions {
        gap: var(--spacing-lg);
    }
}

/* Tablets - 768px to 1023px */
@media (max-width: 1023px) {
    .container {
        padding: 0 var(--spacing-lg);
    }

    .carousel-content h1 {
        font-size: 36px;
    }

    .section-title {
        font-size: 28px;
    }

    .category-grid-3x2 {
        grid-template-columns: repeat(2, 1fr);
    }

    .quote-content {
        grid-template-columns: 1fr;
    }

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

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

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

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

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

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

    .mega-dropdown {
        width: 600px;
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Medium Tablets - 768px to 899px */
@media (max-width: 899px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    .logo {
        font-size: 22px;
    }

    .logo i {
        font-size: 24px;
    }

    .search-bar {
        max-width: 280px;
    }

    .nav-link {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 13px;
    }

    .hero {
        height: 380px;
    }

    .carousel-content h1 {
        font-size: 32px;
    }

    .carousel-content p {
        font-size: 16px;
    }

    .cta-button {
        padding: 12px 30px;
        font-size: 13px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

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

/* Small Tablets/Large Mobile - 768px and below */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-md);
  }

  /* ===== HEADER ===== */
  .header-top {
    padding: 4px 0;
    display: none;
  }

  .header-top-right {
    display: none;
  }

  .header-main {
    padding: var(--spacing-sm) 0;
  }

  .header-content {
    gap: 0;
    display: flex;
    align-items: center;
    width: 100%;
  }

  .logo {
    order: 0;
    font-size: 18px;
    margin-right: var(--spacing-sm);
    flex-shrink: 0;
  }

  .logo i {
    font-size: 20px;
    margin-right: 4px;
  }

  .menu-toggle {
    order: 2;
    display: flex;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 4px;
    padding: 6px 8px;
    flex-shrink: 0;
  }

  .menu-toggle span {
    width: 22px;
    height: 2.5px;
    background-color: var(--dark-gray);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: block;
    border-radius: 2px;
  }

  .menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
    background-color: var(--accent-orange);
  }

  .menu-toggle.active span:nth-child(2) {
    opacity: 0;
    transition: opacity 0.2s ease;
  }

  .menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
    background-color: var(--accent-orange);
  }

  .search-bar {
    order: 1;
    flex: 1;
    margin: 0 var(--spacing-sm) 0 0;
    max-width: 100%;
    display: flex;
    align-items: center;
  }

  .header-actions {
    order: 3;
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-shrink: 0;
  }

  .account-menu,
  .cart-icon {
    padding: 6px 10px;
    font-size: 12px;
  }

  /* ===== NAVIGATION ===== */
  .navbar {
    border-top: none;
    position: relative;
  }

  .nav-menu {
    display: none;
    flex-direction: column;
    position: absolute;
    top: calc(100% + 1px);
    left: 0;
    right: 0;
    background: linear-gradient(135deg, var(--white) 0%, #f9f9f9 100%);
    border-top: 2px solid var(--accent-orange);
    width: 100%;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    z-index: 999;
    max-height: calc(100vh - 250px);
    overflow-y: auto;
    animation: slideDownMenu 0.3s cubic-bezier(0.4, 0, 0.2, 1) forwards;
  }

  @keyframes slideDownMenu {
    from {
      transform: translateY(-10px);
      opacity: 0;
    }
    to {
      transform: translateY(0);
      opacity: 1;
    }
  }

  .nav-menu.active {
    display: flex;
  }

  .nav-item {
    width: 100%;
    border-bottom: 1px solid #e8e8e8;
    position: relative;
  }

  .nav-item:last-child {
    border-bottom: none;
  }

  .nav-link {
    padding: 14px var(--spacing-lg);
    border-left: 4px solid transparent;
    border-bottom: none;
    font-size: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    box-sizing: border-box;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s ease;
    color: #333;
    gap: 8px;
  }

  .nav-link i:first-child {
    margin-right: 0;
    flex-shrink: 0;
  }

  .nav-link span {
    flex: 1;
  }

  .nav-link:hover {
    background-color: var(--light-gray);
  }

  .nav-link i:last-child {
    font-size: 12px;
    transition: transform 0.3s ease;
    margin-left: auto;
  }

  .nav-item.active > .nav-link {
    border-left-color: var(--accent-orange);
    background-color: var(--light-gray);
    color: #333;
  }

  .nav-item.active > .nav-link i:last-child {
    transform: rotate(180deg);
  }

  /* ===== DROPDOWNS ===== */
  .dropdown {
    position: static;
    display: none;
    box-shadow: none;
    background: linear-gradient(90deg, #f5f5f5 0%, #fafafa 100%);
    padding: 0;
    margin: 0;
    border-radius: 0;
    opacity: 1;
    transform: none;
    pointer-events: all;
    min-width: auto;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-left: 4px solid var(--accent-orange);
  }

  .dropdown.active {
    display: block;
    max-height: 500px;
  }

  .nav-item:hover > .dropdown {
    display: none;
  }

  .dropdown-item {
    padding: 12px var(--spacing-lg) 12px calc(var(--spacing-lg) * 2);
    border-bottom: 1px solid #e8e8e8;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s ease;
    color: #333;
  }

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

  .dropdown-item:hover {
    background-color: #fff;
    color: #333;
    padding-left: calc(var(--spacing-lg) * 2.2);
  }

  .mega-dropdown {
    position: static;
    width: 100%;
    max-width: 100%;
    transform: none;
    display: none;
    grid-template-columns: 1fr;
    gap: 0;
    padding: 0;
    opacity: 1;
    pointer-events: all;
    box-shadow: none;
    background: linear-gradient(90deg, #f5f5f5 0%, #fafafa 100%);
    margin: 0;
    border-radius: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-left: 4px solid var(--accent-orange);
  }

  .mega-dropdown.active {
    display: grid;
    max-height: 600px;
  }

  .dropdown-section {
    border-right: none;
    border-bottom: 1px solid #e8e8e8;
    padding: 16px var(--spacing-lg);
  }

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

  .dropdown-section h4 {
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--accent-orange);
    text-transform: uppercase;
    letter-spacing: 0.5px;
  }

  .dropdown-section a {
    display: block;
    padding: 8px 0;
    font-size: 12px;
    color: #333;
    transition: all 0.2s ease;
    text-decoration: none;
  }

  .dropdown-section a:hover {
    color: #333;
    padding-left: 8px;
  }

  /* ===== HERO ===== */
  .hero {
    height: 320px;
  }

  .carousel-content h1 {
    font-size: 26px;
  }

  .carousel-content p {
    font-size: 14px;
  }

  .cta-button {
    padding: 10px 24px;
    font-size: 12px;
  }

  /* ===== SECTIONS ===== */
  .section-title {
    font-size: 26px;
  }

  .category-grid-3x2 {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
  }

  .category-card {
    padding: var(--spacing-lg);
  }

  .category-card i {
    font-size: 36px;
  }

  .category-card h3 {
    font-size: 14px;
  }

  /* ===== ABOUT SECTION ===== */
  .about-intro h3 {
    font-size: 24px;
  }

  .about-values {
    padding: var(--spacing-xl);
  }

  .about-values h3 {
    font-size: 24px;
  }

  /* ===== QUOTE SECTION ===== */
  .quote-content {
    gap: var(--spacing-lg);
  }

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

  .step-item {
    padding: var(--spacing-lg);
    margin-top: var(--spacing-lg);
  }

  .step-item h4 {
    font-size: 16px;
  }

  .step-item p {
    font-size: 13px;
  }

  /* ===== FORM ===== */
  .quote-form {
    padding: var(--spacing-lg);
  }

  .form-group label {
    font-size: 13px;
  }

  .form-group input,
  .form-group textarea,
  .form-group select {
    padding: 10px 12px;
    font-size: 14px;
  }

  .form-group textarea {
    min-height: 100px;
  }

  .btn-large {
    padding: 12px 28px;
    font-size: 14px;
    max-width: 100%;
  }

  /* ===== SERVICES ===== */
  .services-grid {
    grid-template-columns: 1fr;
  }

  /* ===== CONTACT ===== */
  .contact-content {
    gap: var(--spacing-lg);
  }

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

  /* ===== FOOTER ===== */
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
  }

  .footer-bottom-content {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-md);
  }

  .trust-badges {
    justify-content: center;
    gap: var(--spacing-md);
  }

  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 45px;
    height: 45px;
  }

  .hide-on-mobile {
    display: none !important;
  }
}

/* Mobile - 480px and below */
@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }

  .header-main {
    padding: 8px 0;
  }

  .logo {
    font-size: 16px;
  }

  .logo i {
    font-size: 18px;
  }

  .menu-toggle {
    gap: 3.5px;
    padding: 4px 2px;
  }

  .menu-toggle span {
    width: 20px;
    height: 2px;
  }

  .search-bar {
    padding: 6px 8px;
  }

  .search-bar input {
    font-size: 12px;
  }

  .account-menu,
  .cart-icon {
    padding: 4px 8px;
    font-size: 11px;
  }

  .nav-link {
    padding: 12px var(--spacing-md);
    font-size: 13px;
  }

  .dropdown-item {
    padding: 10px var(--spacing-md) 10px calc(var(--spacing-md) * 2.5);
    font-size: 12px;
  }

  .dropdown-section {
    padding: 14px var(--spacing-md);
  }

  .dropdown-section h4 {
    font-size: 12px;
    margin-bottom: 8px;
  }

  .dropdown-section a {
    padding: 6px 0;
    font-size: 11px;
  }

  .hero {
    height: 260px;
  }

  .carousel-content h1 {
    font-size: 20px;
    margin-bottom: 8px;
  }

  .carousel-content p {
    font-size: 12px;
  }

  .cta-button {
    padding: 8px 20px;
    font-size: 11px;
  }

  .section-title {
    font-size: 22px;
  }

  .category-grid-3x2 {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }

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

  .category-card i {
    font-size: 32px;
    margin-bottom: 8px;
  }

  .quote-steps h3,
  .quote-info h3 {
    font-size: 20px;
  }

  .step-item {
    padding: var(--spacing-md);
    margin-top: var(--spacing-md);
  }

  .step-number {
    width: 44px;
    height: 44px;
    font-size: 20px;
    top: -18px;
  }

  .step-item h4 {
    font-size: 15px;
  }

  .step-item p {
    font-size: 12px;
  }

  .quick-contact {
    padding: var(--spacing-sm);
  }

  .quick-contact p {
    font-size: 12px;
  }

  .quote-form {
    padding: var(--spacing-sm);
  }

  .form-group label {
    font-size: 12px;
    margin-bottom: 4px;
  }

  .form-group input,
  .form-group textarea,
  .form-group select {
    padding: 8px 10px;
    font-size: 13px;
  }

  .form-group textarea {
    min-height: 80px;
  }

  .btn-large {
    padding: 10px 20px;
    font-size: 13px;
  }

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

  .service-icon {
    width: 50px;
    height: 50px;
    font-size: 24px;
    margin: 0 auto var(--spacing-md);
  }

  .service-card h3 {
    font-size: 15px;
  }

  .info-card {
    padding: var(--spacing-sm);
  }

  .info-card i {
    font-size: 22px;
    margin-bottom: 6px;
  }

  .footer-main {
    padding: var(--spacing-lg) 0 var(--spacing-md);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .footer-section h4 {
    font-size: 12px;
  }

  .footer-section a {
    font-size: 11px;
  }

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

  .footer-text {
    font-size: 10px;
  }

  .back-to-top {
    bottom: 15px;
    right: 15px;
    width: 40px;
    height: 40px;
    font-size: 16px;
  }

  .notification-container {
    max-width: calc(100vw - 20px);
    right: 10px;
  }
}

/* Extra Small Mobile - 360px and below */
@media (max-width: 360px) {
  .logo {
    font-size: 15px;
  }

  .logo i {
    font-size: 17px;
  }

  .menu-toggle {
    gap: 3px;
    padding: 3px 2px;
  }

  .menu-toggle span {
    width: 18px;
    height: 1.8px;
  }

  .account-menu,
  .cart-icon {
    font-size: 10px;
    padding: 3px 6px;
  }

  .nav-link {
    padding: 10px var(--spacing-sm);
    font-size: 12px;
  }

  .dropdown-item {
    padding: 8px var(--spacing-sm) 8px calc(var(--spacing-sm) * 2);
    font-size: 11px;
  }

  .hero {
    height: 240px;
  }

  .carousel-content h1 {
    font-size: 18px;
  }

  .carousel-content p {
    font-size: 11px;
  }

  .section-title {
    font-size: 20px;
  }

  .category-grid-3x2 {
    grid-template-columns: 1fr;
  }

  /* ===== ABOUT SECTION ===== */
  .about-intro h3 {
    font-size: 18px;
  }

  .about-intro p {
    font-size: 12px;
  }

  .about-grid {
    gap: var(--spacing-sm);
  }

  .about-card i {
    font-size: 24px;
  }

  .about-card h4 {
    font-size: 13px;
  }

  .about-card p {
    font-size: 10px;
  }

  .about-values h3 {
    font-size: 18px;
  }

  .value-item h5 {
    font-size: 13px;
  }

  .value-item p {
    font-size: 10px;
  }

  .about-cta .btn {
    padding: 8px 20px;
    font-size: 12px;
  }
}