/*
================================================
TABLE OF CONTENTS
------------------------------------------------
1.  CSS Variables & Root Styles
2.  Global Styles & Resets
3.  Typography
4.  Layout & Container
5.  Buttons & Links
6.  Header & Navigation
7.  Mobile Menu
8.  Footer
9.  Animations & Transitions
10. Hero Section
11. Section Headers
12. Services Section
13. Process Section (Timeline)
14. Industries Section (Tabs)
15. Testimonials Section (Slider)
16. CTA Section
17. Page Headers (Contact & Legal)
18. Contact Page Specifics
19. Legal Pages Specifics
20. Popups & Modals
21. Particle.js Canvas
22. Responsive Design (Media Queries)
================================================
*/

/* 1. CSS Variables & Root Styles */
:root {
    --color-primary-start: #6a11cb;
    --color-primary-end: #2575fc;
    --color-background-dark: #0a0b1e;
    --color-background-medium: #10122d;
    --color-background-light: #1c1e42;
    --color-text-primary: #ffffff;
    --color-text-secondary: #c0c8e7;
    --color-text-muted: #8a94b6;
    --color-border: rgba(255, 255, 255, 0.1);
    --color-success: #28a745;
    --color-shadow: rgba(0, 0, 0, 0.5);

    --font-primary: 'Orbitron', sans-serif;
    --font-secondary: 'Rajdhani', sans-serif;

    --header-height: 80px;
    --border-radius: 8px;
    --container-width: 1200px;
    --transition-speed: 0.3s;
}

/* 2. Global Styles & Resets */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    background-color: var(--color-background-dark);
    color: var(--color-text-secondary);
    font-family: var(--font-secondary);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

ul {
    list-style: none;
}

a {
    text-decoration: none;
    color: inherit;
}

/* 3. Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-primary);
    color: var(--color-text-primary);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3.5rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.75rem;
}

p {
    margin-bottom: 1.5rem;
}

.text-gradient {
    background: linear-gradient(90deg, var(--color-primary-start), var(--color-primary-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;
}

.text-gradient-animated {
    background-size: 200% auto;
    background-image: linear-gradient(to right, #6a11cb 0%, #2575fc 51%, #6a11cb 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradient-flow 5s ease infinite;
}

@keyframes gradient-flow {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

/* 4. Layout & Container */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

section {
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
}

/* 5. Buttons & Links */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.8rem 1.8rem;
    border-radius: 50px;
    font-family: var(--font-primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-speed) ease-in-out;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn span {
    position: relative;
    z-index: 2;
}

.btn-primary {
    background: linear-gradient(90deg, var(--color-primary-start), var(--color-primary-end));
    color: var(--color-text-primary);
    box-shadow: 0 5px 20px rgba(71, 78, 230, 0.4);
}

.btn-primary:hover {
    box-shadow: 0 8px 30px rgba(71, 78, 230, 0.6);
    transform: translateY(-3px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-text-primary);
    border-color: var(--color-primary-start);
}

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

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1rem;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
}

.btn-block {
    width: 100%;
}

/* 6. Header & Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    display: flex;
    align-items: center;
    z-index: 1000;
    transition: all var(--transition-speed) ease;
    background: transparent;
}

.header.scrolled {
    background-color: rgba(10, 11, 30, 0.85);
    backdrop-filter: blur(10px);
    box-shadow: 0 5px 15px var(--color-shadow);
    height: 70px;
}

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

.logo img {
    height: 80px;
    filter: brightness(0) invert(1);
    transition: var(--transition-speed);
}

.main-nav .nav-list {
    display: flex;
    gap: 2.5rem;
}

.main-nav .nav-link {
    font-family: var(--font-secondary);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    position: relative;
    transition: color var(--transition-speed);
}

.main-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary-start), var(--color-primary-end));
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-speed) ease;
}

.main-nav .nav-link:hover,
.main-nav .nav-link.active {
    color: var(--color-text-primary);
}

.main-nav .nav-link:hover::after,
.main-nav .nav-link.active::after {
    transform: scaleX(1);
    transform-origin: left;
}

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

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

.hamburger-box {
    width: 30px;
    height: 24px;
    position: relative;
}

.hamburger-inner,
.hamburger-inner::before,
.hamburger-inner::after {
    position: absolute;
    width: 30px;
    height: 3px;
    background-color: var(--color-text-primary);
    border-radius: 2px;
    transition: transform 0.22s cubic-bezier(0.55, 0.055, 0.675, 0.19);
}

.hamburger-inner {
    top: 50%;
    transform: translateY(-50%);
}

.hamburger-inner::before {
    content: '';
    top: -10px;
}

.hamburger-inner::after {
    content: '';
    bottom: -10px;
}

.mobile-menu-toggle.is-active .hamburger-inner {
    transform: rotate(225deg);
    transition-delay: 0.12s;
    transition-timing-function: cubic-bezier(0.215, 0.61, 0.355, 1);
}

.mobile-menu-toggle.is-active .hamburger-inner::before {
    top: 0;
    opacity: 0;
    transition: top 0.1s ease-out, opacity 0.1s 0.12s ease-out;
}

.mobile-menu-toggle.is-active .hamburger-inner::after {
    bottom: 0;
    transform: rotate(-90deg);
    transition: bottom 0.1s ease-out, transform 0.22s 0.12s cubic-bezier(0.215, 0.61, 0.355, 1);
}

/* 7. Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background-color: var(--color-background-medium);
    z-index: 999;
    transition: right var(--transition-speed) ease-in-out;
    padding-top: var(--header-height);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.mobile-menu.is-active {
    right: 0;
}

.mobile-nav-list {
    text-align: center;
}

.mobile-nav-list li {
    margin: 2rem 0;
}

.mobile-nav-link {
    font-family: var(--font-primary);
    font-size: 2rem;
    color: var(--color-text-primary);
}

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

/* 8. Footer */
.footer {
    background-color: var(--color-background-medium);
    padding: 5rem 0 2rem;
    border-top: 1px solid var(--color-border);
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

.footer-col .footer-logo img {
    height: 80px;
    filter: brightness(0) invert(1);
    margin-bottom: 1.5rem;
}

.footer-col p {
    color: var(--color-text-muted);
    max-width: 350px;
}

.footer-col h3 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    position: relative;
}

.footer-col h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary-start), var(--color-primary-end));
}

.footer-socials {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-link {
    width: 40px;
    height: 40px;
    display: grid;
    place-items: center;
    background: var(--color-background-light);
    color: var(--color-text-secondary);
    border-radius: 50%;
    transition: var(--transition-speed);
}

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

.links-col ul li:not(:last-child) {
    margin-bottom: 1rem;
}

.links-col a {
    color: var(--color-text-muted);
    transition: var(--transition-speed);
}

.links-col a:hover {
    color: var(--color-text-primary);
    padding-left: 5px;
}

.footer-contact li {
    display: flex;
    align-items: start;
    gap: 1rem;
    color: var(--color-text-muted);
}

.footer-contact li:not(:last-child) {
    margin-bottom: 1rem;
}

.footer-contact i {
    color: var(--color-primary-end);
    margin-top: 4px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--color-border);
    padding-top: 2rem;
    color: var(--color-text-muted);
}

.footer-legal-links {
    display: flex;
    gap: 1.5rem;
}

.footer-legal-links a {
    transition: var(--transition-speed);
}

.footer-legal-links a:hover {
    color: var(--color-text-primary);
}

/* 9. Animations & Transitions */
[data-animation] {
    opacity: 0;
    transition: opacity 0.8s ease, transform 0.8s ease;
}

[data-animation].is-visible {
    opacity: 1;
}

[data-animation="fade-up"].is-visible {
    transform: translateY(0);
}

[data-animation="fade-up"] {
    transform: translateY(50px);
}

[data-animation="fade-right"].is-visible {
    transform: translateX(0);
}

[data-animation="fade-right"] {
    transform: translateX(-50px);
}

[data-animation="fade-left"].is-visible {
    transform: translateX(0);
}

[data-animation="fade-left"] {
    transform: translateX(50px);
}

[data-animation="zoom-in"].is-visible {
    transform: scale(1);
}

[data-animation="zoom-in"] {
    transform: scale(0.9);
}

/* 10. Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--header-height);
    padding-bottom: 4rem;
}

.hero-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    align-items: center;
    gap: 3rem;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    margin-bottom: 1.5rem;
    font-weight: 900;
}

.hero-subtitle {
    font-size: 1.25rem;
    max-width: 550px;
    margin-bottom: 2.5rem;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
}

.hero-visual {
    perspective: 1000px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-3d-cube {
    width: 250px;
    height: 250px;
    position: relative;
    transform-style: preserve-3d;
    animation: rotate-cube 20s infinite linear;
}

.hero-3d-cube .face {
    position: absolute;
    width: 250px;
    height: 250px;
    background: rgba(28, 30, 66, 0.7);
    border: 1px solid var(--color-border);
    backdrop-filter: blur(5px);
    color: var(--color-text-primary);
    font-size: 1.5rem;
    font-family: var(--font-primary);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 1rem;
}

.face.front {
    transform: rotateY(0deg) translateZ(125px);
}

.face.back {
    transform: rotateY(180deg) translateZ(125px);
}

.face.right {
    transform: rotateY(90deg) translateZ(125px);
}

.face.left {
    transform: rotateY(-90deg) translateZ(125px);
}

.face.top {
    transform: rotateX(90deg) translateZ(125px);
}

.face.bottom {
    transform: rotateX(-90deg) translateZ(125px);
}

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

    to {
        transform: rotateY(360deg) rotateX(360deg);
    }
}

/* 11. Section Headers */
.section-header {
    margin-bottom: 4rem;
}

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

.section-subtitle {
    display: block;
    font-family: var(--font-primary);
    font-weight: 600;
    color: var(--color-primary-end);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 0.5rem;
}

.section-title {
    margin-bottom: 1rem;
}

.section-description {
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    font-size: 1.1rem;
}

/* 12. Services Section */
.services-section {
    background-color: var(--color-background-medium);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: transparent;
    perspective: 1500px;
    height: 350px;
}

.service-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.8s;
    transform-style: preserve-3d;
}

.service-card:hover .service-card-inner {
    transform: rotateY(180deg);
}

.service-card-front,
.service-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 2rem;
    border-radius: var(--border-radius);
    background: var(--color-background-light);
    border: 1px solid var(--color-border);
    box-shadow: 0 10px 30px var(--color-shadow);
}

.service-card-back {
    transform: rotateY(180deg);
    background: linear-gradient(145deg, var(--color-primary-start), var(--color-primary-end));
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: var(--color-primary-start);
}

.service-card-front .service-icon {
    color: var(--color-primary-start);
}

.service-card-front h3 {
    margin-bottom: 1rem;
}

.service-card-back h3 {
    color: var(--color-text-primary);
}

.service-card-back ul {
    text-align: left;
    margin-bottom: 1.5rem;
}

.service-card-back li {
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.service-card-back .btn {
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
    border-color: #fff;
}

.service-card-back .btn:hover {
    background: #fff;
    color: var(--color-primary-start);
}

/* 13. Process Section (Timeline) */
.process-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.process-timeline::after {
    content: '';
    position: absolute;
    width: 3px;
    background: linear-gradient(to bottom, var(--color-primary-start), var(--color-primary-end));
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -1.5px;
}

.timeline-item {
    padding: 1rem 3rem;
    position: relative;
    width: 50%;
}

.timeline-item:nth-child(odd) {
    left: 0;
}

.timeline-item:nth-child(even) {
    left: 50%;
}

.timeline-item:nth-child(odd)::before,
.timeline-item:nth-child(even)::before {
    display: none;
}

/* Hide default bullets */

.timeline-icon {
    position: absolute;
    width: 50px;
    height: 50px;
    right: -25px;
    top: 32px;
    background-color: var(--color-background-dark);
    border: 3px solid var(--color-primary-start);
    border-radius: 50%;
    z-index: 10;
    display: grid;
    place-items: center;
    font-size: 1.5rem;
    color: var(--color-primary-start);
}

.timeline-item:nth-child(even) .timeline-icon {
    left: -25px;
}

.timeline-content {
    padding: 2rem;
    background-color: var(--color-background-medium);
    position: relative;
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
}

.timeline-item:nth-child(even) {
    text-align: left;
}

.timeline-item:nth-child(odd) {
    text-align: right;
}

.timeline-step {
    font-family: var(--font-primary);
    font-size: 3rem;
    font-weight: 900;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0.05;
    color: var(--color-text-primary);
    z-index: -1;
}

.timeline-item:nth-child(odd) .timeline-step {
    right: 2rem;
}

.timeline-item:nth-child(even) .timeline-step {
    left: 2rem;
}

/* 14. Industries Section (Tabs) */
.industries-section {
    background-color: var(--color-background-medium);
}

.industries-wrapper {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    background-color: var(--color-background-dark);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
}

.industry-tabs {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.tab-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background-color: var(--color-background-medium);
    border: none;
    color: var(--color-text-secondary);
    font-family: var(--font-secondary);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    text-align: left;
    border-radius: var(--border-radius);
    border-left: 4px solid transparent;
    transition: var(--transition-speed);
}

.tab-link i {
    font-size: 1.5rem;
    width: 30px;
    text-align: center;
}

.tab-link:hover {
    background-color: var(--color-background-light);
    color: var(--color-text-primary);
}

.tab-link.active {
    background-color: var(--color-background-light);
    color: var(--color-text-primary);
    border-left-color: var(--color-primary-start);
}

.industry-content .tab-content {
    display: none;
}

.industry-content .tab-content.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

.industry-content h3 {
    margin-bottom: 1.5rem;
}

.industry-content ul {
    margin-top: 1.5rem;
}

.industry-content li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.industry-content i {
    color: var(--color-primary-end);
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

/* 15. Testimonials Section (Slider) */
.testimonial-slider-wrapper {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.testimonial-slider {
    display: flex;
    transition: transform 0.5s ease-in-out;
}

.testimonial-slide {
    min-width: 100%;
    padding: 2rem;
    background: var(--color-background-medium);
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
}

.testimonial-content {
    font-size: 1.2rem;
    font-style: italic;
    margin-bottom: 2rem;
    position: relative;
    padding-left: 3rem;
}

.testimonial-content::before {
    content: '\f10d';
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    position: absolute;
    left: 0;
    top: -0.5rem;
    font-size: 2rem;
    color: var(--color-primary-start);
    opacity: 0.5;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-info h4 {
    font-size: 1.1rem;
    margin: 0;
}

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

.slider-controls {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    pointer-events: none;
}

.slider-controls button {
    pointer-events: all;
    background-color: var(--color-background-light);
    border: 1px solid var(--color-border);
    color: var(--color-text-primary);
    width: 45px;
    height: 45px;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition-speed);
}

.prev-btn {
    margin-left: -60px;
}

.next-btn {
    margin-right: -60px;
}

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

/* 16. CTA Section */
.cta-section {
    padding: 0;
}

.cta-container {
    background: linear-gradient(90deg, var(--color-primary-start), var(--color-primary-end));
    padding: 4rem;
    border-radius: var(--border-radius);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cta-title {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.cta-text {
    max-width: 600px;
    margin: 0;
    color: #e0e0e0;
}

.cta-action .btn-primary {
    background: var(--color-text-primary);
    color: var(--color-primary-start);
    box-shadow: none;
}

.cta-action .btn-primary:hover {
    background: var(--color-background-dark);
    color: var(--color-text-primary);
}

/* 17. Page Headers (Contact & Legal) */
.page-header-section {
    padding: 10rem 0 6rem;
    text-align: center;
    min-height: 50vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-background-medium);
}

.page-title {
    font-size: 3rem;
}

.page-subtitle {
    font-size: 1.2rem;
    max-width: 600px;
    margin: 1rem auto 0;
}

.legal-header {
    min-height: 40vh;
}

/* 18. Contact Page Specifics */
.contact-section-standalone {
    padding: 6rem 0;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    background: var(--color-background-medium);
    padding: 4rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
}

.contact-info .section-header {
    margin-bottom: 2rem;
}

.contact-info p {
    max-width: 450px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-top: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.contact-icon {
    width: 60px;
    height: 60px;
    flex-shrink: 0;
    display: grid;
    place-items: center;
    background: linear-gradient(90deg, var(--color-primary-start), var(--color-primary-end));
    color: var(--color-text-primary);
    font-size: 1.5rem;
    border-radius: 50%;
}

.contact-text h3 {
    font-size: 1.2rem;
    margin: 0;
}

.contact-text p {
    margin: 0;
    color: var(--color-text-muted);
}

.contact-form .form-group {
    position: relative;
    margin-bottom: 2rem;
}

.contact-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 1rem;
    background: var(--color-background-dark);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    color: var(--color-text-primary);
    font-family: var(--font-secondary);
    font-size: 1rem;
    transition: var(--transition-speed);
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: var(--color-primary-start);
    outline: none;
    box-shadow: 0 0 0 3px rgba(106, 17, 203, 0.3);
}

.contact-form label {
    position: absolute;
    top: 1rem;
    left: 1rem;
    color: var(--color-text-muted);
    pointer-events: none;
    transition: var(--transition-speed);
}

.contact-form input:focus+label,
.contact-form input:valid+label,
.contact-form textarea:focus+label,
.contact-form textarea:valid+label {
    top: -0.7rem;
    left: 0.8rem;
    font-size: 0.8rem;
    padding: 0 0.3rem;
    background: var(--color-background-medium);
    color: var(--color-primary-start);
}

/* 19. Legal Pages Specifics */
.legal-content {
    padding: 6rem 0;
}

.legal-content .container {
    max-width: 900px;
}

.legal-section {
    margin-bottom: 3rem;
}

.legal-section h2 {
    margin-bottom: 1.5rem;
    color: var(--color-primary-end);
}

.legal-section p {
    color: var(--color-text-secondary);
}

.legal-section strong {
    color: var(--color-text-primary);
}

/* 20. Popups & Modals */
.popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 11, 30, 0.8);
    backdrop-filter: blur(5px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-speed), visibility var(--transition-speed);
}

.popup.is-visible {
    opacity: 1;
    visibility: visible;
}

.popup-content {
    background: var(--color-background-medium);
    padding: 3rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
    text-align: center;
    max-width: 500px;
    position: relative;
    transform: scale(0.9);
    transition: transform var(--transition-speed);
}

.popup.is-visible .popup-content {
    transform: scale(1);
}

.popup-close-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 1.5rem;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: var(--transition-speed);
}

.popup-close-btn:hover {
    color: var(--color-text-primary);
}

.popup-icon {
    font-size: 4rem;
    color: var(--color-success);
    margin-bottom: 1rem;
}

.popup-content h3 {
    margin-bottom: 1rem;
}

.popup-content p {
    color: var(--color-text-secondary);
}

.popup-content .btn {
    margin-top: 1.5rem;
}

/* 21. Particle.js Canvas */
#particles-js-hero,
#particles-js-contact {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: -1;
}

/* 22. Responsive Design */
@media (max-width: 1024px) {
    h1 {
        font-size: 2.8rem;
    }

    h2 {
        font-size: 2.2rem;
    }

    .main-nav,
    .header-actions .btn {
        display: none;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .footer-top {
        grid-template-columns: 1fr 1fr;
    }

    .about-col {
        grid-column: 1 / -1;
    }

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

    .hero-text {
        order: 2;
    }

    .hero-visual {
        order: 1;
        margin-bottom: 3rem;
    }

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

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

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

    .slider-controls button {
        opacity: 0.7;
    }

    .prev-btn {
        margin-left: -20px;
    }

    .next-btn {
        margin-right: -20px;
    }

    .cta-container {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
    }

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

@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }

    section {
        padding: 4rem 0;
    }

    h1 {
        font-size: 2.2rem;
    }

    h2 {
        font-size: 1.8rem;
    }

    .container {
        padding: 0 1rem;
    }

    .process-timeline::after {
        left: 25px;
    }

    .timeline-item {
        width: 100%;
        padding-left: 5rem;
        padding-right: 1rem;
    }

    .timeline-item:nth-child(even) {
        left: 0;
    }

    .timeline-item:nth-child(odd),
    .timeline-item:nth-child(even) {
        text-align: left;
    }

    .timeline-icon {
        left: 0;
    }

    .timeline-item:nth-child(even) .timeline-icon {
        left: 0;
    }

    .timeline-step {
        left: 2rem;
    }

    .timeline-item:nth-child(odd) .timeline-step {
        left: 2rem;
    }

    .slider-controls {
        display: none;
    }

    /* Hide on mobile for simplicity */
    .footer-top {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1.5rem;
    }

    .contact-wrapper,
    .industries-wrapper {
        padding: 2rem;
    }

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

    .hero-3d-cube {
        width: 200px;
        height: 200px;
    }

    .hero-3d-cube .face {
        width: 200px;
        height: 200px;
        font-size: 1.2rem;
    }

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

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

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

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

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

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

@media (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
        gap: 1rem;
        align-items: center;
    }

    .btn-lg {
        width: 100%;
        max-width: 300px;
    }

    .service-card {
        height: auto;
        min-height: 300px;
    }
}