/*
    style.css for Apex Marketing Digital Marketing Website
    Author: AI Assistant
    Version: 1.0
    Description: A comprehensive stylesheet with a custom theme, advanced animations, and full responsiveness.
*/

/* ---------------------------------- */
/* 1. Global Styles & Variables       */
/* ---------------------------------- */

:root {
    /* Color Palette derived from a warm, modern gradient aesthetic */
    --color-primary: #FF8C42;
    /* Vibrant orange for CTAs and highlights */
    --color-primary-dark: #E76F51;
    /* Deeper coral tone */
    --color-secondary: #F4A261;
    /* Soft amber secondary accent */

    --color-background-dark: #2B2D42;
    /* Deep slate for headers and dark sections */
    --color-background-light: #FFF8F3;
    /* Warm off-white for light sections */
    --color-background-medium: #F1E6D8;
    /* Muted beige-gray for cards or panels */

    --color-text-light: #FAF9F7;
    /* Light text for dark backgrounds */
    --color-text-dark: #2A2A2A;
    /* Dark text for light backgrounds */
    --color-text-muted: #A1887F;
    /* Warm muted tone for subheadings */

    --color-border: #E0C9A6;
    /* Subtle warm border */
    --color-success: #81B29A;
    /* Sage green success */
    --color-white: #FFFFFF;

    /* Typography */
    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Open Sans', sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;

    /* Spacing & Layout */
    --container-width: 1200px;
    --spacing-xs: 0.5rem;
    /* 8px */
    --spacing-sm: 1rem;
    /* 16px */
    --spacing-md: 1.5rem;
    /* 24px */
    --spacing-lg: 3rem;
    /* 48px */
    --spacing-xl: 5rem;
    /* 80px */

    /* Effects */
    --border-radius: 8px;
    --box-shadow: 0 10px 30px -15px rgba(43, 45, 66, 0.5);
    --transition-speed: 0.3s ease-in-out;
}


/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600;700&family=Roboto:wght@400;500&display=swap');

/* CSS Reset and Box Sizing */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: var(--font-size-base);
}

body {
    font-family: var(--font-primary);
    line-height: var(--line-height-base);
    color: var(--color-text-dark);
    background-color: var(--color-background-light);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ---------------------------------- */
/* 2. Utility Classes                 */
/* ---------------------------------- */

.container {
    max-width: var(--container-width);
    width: 90%;
    margin: 0 auto;
}

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

.highlight {
    color: var(--color-primary);
}

.section-title {
    margin-bottom: var(--spacing-lg);
}

.section-title h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--color-background-dark);
}

.section-title p {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    max-width: 700px;
    margin: 0 auto;
}


/* ---------------------------------- */
/* 3. Buttons                         */
/* ---------------------------------- */

.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-speed);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

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

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.4);
}

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

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

/* ---------------------------------- */
/* 4. Header                         */
/* ---------------------------------- */

.site-header {
    background-color: var(--color-background-dark);
    padding: var(--spacing-sm) 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: all var(--transition-speed);
}

.site-header.scrolled {
    background-color: rgba(10, 25, 47, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--box-shadow);
    padding: calc(var(--spacing-sm) - 5px) 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a img {
    height: 50px;
    filter: brightness(0) invert(1);
    transition: transform var(--transition-speed);
}

.logo a:hover img {
    transform: scale(1.05);
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: var(--spacing-md);
}

.main-nav ul li a {
    color: var(--color-text-light);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    padding: 5px 0;
}

.main-nav ul li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-speed);
}

.main-nav ul li a:hover::after,
.main-nav ul li a.active::after {
    width: 100%;
}

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

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--color-white);
    margin: 5px 0;
    transition: all var(--transition-speed);
}


/* ---------------------------------- */
/* 5. Main Content Sections           */
/* ---------------------------------- */

main {
    padding-top: 86px;
    /* Height of header */
}

/* Hero Section */
.hero {
    position: relative;
    color: var(--color-white);
    min-height: 80vh;
    display: flex;
    align-items: center;
    padding: var(--spacing-xl) 0;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-background-dark);
    z-index: -1;
}

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

.hero-content {
    max-width: 60%;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

.hero p {
    font-size: 1.2rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    max-width: 550px;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
}

.hero-3d-graphics {
    width: 40%;
    display: flex;
    justify-content: center;
    align-items: center;
    perspective: 1000px;
}

.cube {
    width: 200px;
    height: 200px;
    position: relative;
    transform-style: preserve-3d;
    animation: rotate-cube 20s infinite linear;
}

.face {
    position: absolute;
    width: 200px;
    height: 200px;
    background: rgba(0, 123, 255, 0.1);
    border: 1px solid var(--color-primary);
    color: var(--color-white);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 600;
}

.front {
    transform: rotateY(0deg) translateZ(100px);
}

.back {
    transform: rotateY(180deg) translateZ(100px);
}

.right {
    transform: rotateY(90deg) translateZ(100px);
}

.left {
    transform: rotateY(-90deg) translateZ(100px);
}

.top {
    transform: rotateX(90deg) translateZ(100px);
}

.bottom {
    transform: rotateX(-90deg) translateZ(100px);
}

@keyframes rotate-cube {
    0% {
        transform: rotateY(0deg) rotateX(0deg);
    }

    100% {
        transform: rotateY(360deg) rotateX(360deg);
    }
}

/* About Section */
.about-section {
    padding: var(--spacing-xl) 0;
}

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

.about-card {
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: all var(--transition-speed);
}

.about-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.icon-wrapper {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.about-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-background-dark);
}

.about-card p {
    color: var(--color-text-muted);
}


/* Services Section */
.services-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-background-medium);
}

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

.service-card {
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border-left: 5px solid var(--color-primary);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: all var(--transition-speed);
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-left-color: var(--color-primary-dark);
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.service-card h3 {
    font-size: 1.4rem;
    margin-bottom: var(--spacing-xs);
}

.service-card p {
    color: var(--color-text-muted);
    flex-grow: 1;
    margin-bottom: var(--spacing-sm);
}

.learn-more {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
    align-self: flex-start;
    transition: color var(--transition-speed);
}

.learn-more:hover {
    color: var(--color-primary-dark);
}

/* ROI Calculator Section */
.roi-calculator-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-white);
}

.roi-calculator-section .section-title h2,
.roi-calculator-section .section-title p {
    color: var(--color-white);
}

.calculator-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    backdrop-filter: blur(10px);
}

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

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 12px;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.2);
    color: var(--color-white);
    font-size: 1rem;
}

.form-group input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

#calculate-roi {
    width: 100%;
    padding: 16px;
    background-color: var(--color-white);
    color: var(--color-primary);
    font-size: 1.1rem;
}

#calculate-roi:hover {
    background-color: var(--color-background-light);
}

.calculator-results {
    background: rgba(0, 0, 0, 0.1);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
}

.calculator-results h3 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-md);
}

.result-item {
    margin-bottom: var(--spacing-sm);
}

.result-item h4 {
    font-size: 1.1rem;
    color: var(--color-text-light);
    margin-bottom: 5px;
}

.result-item p {
    font-size: 2.5rem;
    font-weight: 700;
}

.result-item.highlight p {
    color: var(--color-success);
}

.calculator-results small {
    display: block;
    margin-top: var(--spacing-md);
    opacity: 0.8;
}

.calculator-results small a {
    color: var(--color-white);
    font-weight: bold;
}

/* Industry Section */
.industry-section {
    padding: var(--spacing-xl) 0;
}

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

.industry-card {
    position: relative;
    height: 350px;
    border-radius: var(--border-radius);
    overflow: hidden;
    color: var(--color-white);
    display: flex;
    align-items: flex-end;
    padding: var(--spacing-md);
    transition: transform var(--transition-speed);
}

.industry-card:hover {
    transform: scale(1.03);
}

.industry-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to top, rgba(10, 25, 47, 0.9), rgba(10, 25, 47, 0.1));
    z-index: 1;
}

.industry-card::after {
    /* background image */
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-size: cover;
    background-position: center;
    transition: transform 0.5s ease;
}

.industry-card:hover::after {
    transform: scale(1.1);
}

.industry-card:nth-child(1)::after {
    background-image: url('https://source.unsplash.com/random/400x500/?ecommerce');
}

.industry-card:nth-child(2)::after {
    background-image: url('https://source.unsplash.com/random/400x500/?healthcare');
}

.industry-card:nth-child(3)::after {
    background-image: url('https://source.unsplash.com/random/400x500/?saas');
}

.industry-card:nth-child(4)::after {
    background-image: url('https://source.unsplash.com/random/400x500/?local,service');
}

.industry-content {
    position: relative;
    z-index: 2;
}

.industry-content h4 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}


/* Testimonials Section */
.testimonials-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-background-medium);
}

.testimonial-slider-wrapper {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.testimonial-slider {
    position: relative;
    overflow: hidden;
    min-height: 250px;
}

.testimonial-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease-in-out, transform 0.5s ease-in-out;
    transform: translateX(20px);
}

.testimonial-slide.active {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
    position: relative;
}

.testimonial-slide p {
    font-size: 1.2rem;
    font-style: italic;
    color: var(--color-text-dark);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    text-align: center;
}

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

.testimonial-author h4 {
    font-size: 1.1rem;
    font-weight: 700;
}

.testimonial-author span {
    color: var(--color-text-muted);
}

.slider-controls {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.slider-controls button {
    background-color: var(--color-primary);
    color: var(--color-white);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    transition: background-color var(--transition-speed);
}

.slider-controls button:hover {
    background-color: var(--color-primary-dark);
}

/* CTA Section */
.cta-section {
    padding: var(--spacing-xl) 0;
    background: var(--color-background-dark);
    color: var(--color-white);
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.cta-content p {
    max-width: 600px;
    margin: 0 auto var(--spacing-md);
    color: var(--color-text-light);
}

/* ---------------------------------- */
/* 6. Footer                          */
/* ---------------------------------- */

.site-footer {
    background-color: var(--color-background-dark);
    color: var(--color-text-muted);
    padding: var(--spacing-lg) 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-widget h4 {
    color: var(--color-white);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
}

.footer-logo img {
    height: 50px;
    filter: brightness(0) invert(1);
    margin-bottom: var(--spacing-sm);
}

.footer-widget.about p {
    line-height: 1.7;
}

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

.footer-widget ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-widget ul li a {
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color var(--transition-speed);
}

.footer-widget ul li a:hover {
    color: var(--color-primary);
}

.footer-bottom {
    padding: var(--spacing-md) 0;
    text-align: center;
    font-size: 0.9rem;
}

/* ---------------------------------- */
/* 7. Live Chat Widget                */
/* ---------------------------------- */

.live-chat-widget {
    position: fixed;
    bottom: var(--spacing-md);
    right: var(--spacing-md);
    z-index: 1000;
}

.chat-toggle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--color-primary);
    border: none;
    color: var(--color-white);
    font-size: 2rem;
    cursor: pointer;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    display: flex;
    justify-content: center;
    align-items: center;
    transition: transform var(--transition-speed);
}

.chat-toggle:hover {
    transform: scale(1.1);
}

.chat-icon,
.close-icon {
    transition: opacity 0.2s, transform 0.2s;
}

.close-icon {
    position: absolute;
    opacity: 0;
    transform: rotate(-45deg);
    font-size: 2.5rem;
}

.live-chat-widget.open .chat-icon {
    opacity: 0;
    transform: rotate(45deg);
}

.live-chat-widget.open .close-icon {
    opacity: 1;
    transform: rotate(0deg);
}

.chat-window {
    position: absolute;
    bottom: 80px;
    right: 0;
    width: 350px;
    background: var(--color-white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
}

.live-chat-widget.open .chat-window {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.chat-header {
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-sm);
}

.chat-header h3 {
    margin: 0;
}

.chat-header p {
    font-size: 0.9rem;
    opacity: 0.9;
    margin: 0;
}

.chat-body {
    padding: var(--spacing-sm);
    height: 250px;
    overflow-y: auto;
}

.agent-message {
    background-color: var(--color-background-medium);
    padding: 10px 15px;
    border-radius: 15px 15px 15px 0;
    max-width: 80%;
    font-size: 0.9rem;
}

.chat-footer {
    display: flex;
    border-top: 1px solid var(--color-border);
}

.chat-footer input {
    flex-grow: 1;
    border: none;
    padding: var(--spacing-sm);
    font-size: 0.9rem;
}

.chat-footer input:focus {
    outline: none;
}

.chat-footer button {
    background: var(--color-primary);
    border: none;
    color: var(--color-white);
    padding: 0 20px;
    cursor: pointer;
    transition: background-color var(--transition-speed);
}

.chat-footer button:hover {
    background: var(--color-primary-dark);
}

/* ---------------------------------- */
/* 8. Animations & Scroll Effects     */
/* ---------------------------------- */

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Add delays for staggered effect */
.about-card:nth-child(2),
.service-card:nth-child(2) {
    transition-delay: 0.1s;
}

.about-card:nth-child(3),
.service-card:nth-child(3) {
    transition-delay: 0.2s;
}

.service-card:nth-child(4) {
    transition-delay: 0.0s;
}

.service-card:nth-child(5) {
    transition-delay: 0.1s;
}

.service-card:nth-child(6) {
    transition-delay: 0.2s;
}

.industry-card:nth-child(1) {
    transition-delay: 0s;
}

.industry-card:nth-child(2) {
    transition-delay: 0.1s;
}

.industry-card:nth-child(3) {
    transition-delay: 0.2s;
}

.industry-card:nth-child(4) {
    transition-delay: 0.3s;
}

/* ---------------------------------- */
/* 9. Specific Page Styles            */
/* ---------------------------------- */

/* Contact Page & Legal Pages */
.page-hero {
    background: var(--color-background-dark);
    color: var(--color-white);
    text-align: center;
    padding: var(--spacing-lg) 0;
}

.page-hero h1 {
    font-size: 3rem;
    margin-bottom: var(--spacing-xs);
}

.page-hero p {
    font-size: 1.2rem;
    color: var(--color-text-light);
}

.contact-section {
    padding: var(--spacing-xl) 0;
}

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

.contact-form-wrapper h2,
.contact-info-wrapper h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

#contact-form .form-group {
    margin-bottom: var(--spacing-sm);
}

#contact-form label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

#contact-form input,
#contact-form select,
#contact-form textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-family: inherit;
}

#contact-form input:focus,
#contact-form select:focus,
#contact-form textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.2);
}

#contact-form button {
    width: 100%;
    padding: 15px;
}

.contact-details .contact-item {
    margin-bottom: var(--spacing-md);
}

.contact-details .contact-item h3 {
    font-size: 1.2rem;
    margin-bottom: 5px;
    color: var(--color-primary);
}

.contact-details .contact-item p {
    margin: 0;
}

.contact-details .contact-item p a {
    color: var(--color-primary);
    text-decoration: none;
}

.contact-details .contact-item p a:hover {
    text-decoration: underline;
}

.map-placeholder {
    width: 100%;
    height: 250px;
    background-color: var(--color-background-medium);
    border-radius: var(--border-radius);
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--color-text-muted);
}

.legal-page-section {
    padding: var(--spacing-xl) 0;
}

.legal-page-section .container {
    max-width: 800px;
}

.legal-page-section h1 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.legal-page-section h2 {
    font-size: 1.8rem;
    margin: var(--spacing-md) 0 var(--spacing-sm);
}

.legal-page-section h3 {
    font-size: 1.4rem;
    margin: var(--spacing-sm) 0;
}

.legal-page-section p,
.legal-page-section ul li {
    line-height: 1.8;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-muted);
}

.legal-page-section ul {
    padding-left: 20px;
}


/* ---------------------------------- */
/* 10. Responsiveness                 */
/* ---------------------------------- */

@media (max-width: 1024px) {
    .hero .container {
        flex-direction: column;
        text-align: center;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero h1 {
        font-size: 3rem;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-3d-graphics {
        display: none;
    }

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

    .contact-info-wrapper {
        margin-top: var(--spacing-lg);
    }

    .calculator-wrapper {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .section-title h2 {
        font-size: 2rem;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .header-actions .btn {
        display: none;
    }

    .menu-toggle {
        display: block;
    }

    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background-color: var(--color-background-dark);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: right var(--transition-speed);
        display: flex;
    }

    .main-nav.active {
        right: 0;
    }

    .main-nav ul {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-lg);
    }

    .main-nav ul li a {
        font-size: 1.5rem;
    }

    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

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

    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

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

    .footer-widget ul {
        padding: 0;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 15px;
    }

    .hero h1 {
        font-size: 2rem;
    }

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

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

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

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

    .live-chat-widget {
        right: var(--spacing-sm);
        bottom: var(--spacing-sm);
    }

    .chat-window {
        width: calc(100vw - (var(--spacing-sm) * 2));
    }
}