/* --- TABLE OF CONTENTS ---
1.  GLOBAL RESET & ROOT VARIABLES
2.  TYPOGRAPHY & BASIC STYLES
3.  UTILITY CLASSES
4.  HEADER & NAVIGATION
5.  MOBILE MENU
6.  HERO SECTION
7.  PAGE HEADERS (CONTACT, LEGAL)
8.  BUTTONS & FORMS
9.  SERVICES SECTION
10. PROCESS SECTION
11. INDUSTRIES SECTION
12. TESTIMONIALS SECTION
13. CTA SECTION
14. CONTACT PAGE
15. LEGAL PAGES
16. FOOTER
17. ANIMATIONS (KEYFRAMES & SCROLL)
18. RESPONSIVE DESIGN (MEDIA QUERIES)
*/

/* 1. GLOBAL RESET & ROOT VARIABLES */
:root {
    --color-primary: #00f2ff;
    /* Cyan */
    --color-secondary: #8c3dff;
    /* Purple */
    --color-background-dark: #0a0f1e;
    --color-background-medium: #10182c;
    --color-background-light: #1c2640;
    --color-text-primary: #f0f8ff;
    /* Alice Blue */
    --color-text-secondary: #a8b2d1;
    --color-border: rgba(0, 242, 255, 0.2);
    --color-success: #00ff8c;
    --color-error: #ff4d4d;

    --font-heading: 'Orbitron', sans-serif;
    --font-body: 'Rajdhani', sans-serif;

    --header-height: 80px;
    --transition-fast: 0.3s ease;
    --transition-slow: 0.6s ease;

    --shadow-glow: 0 0 15px rgba(0, 242, 255, 0.3), 0 0 25px rgba(0, 242, 255, 0.2);
}

*,
*::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-primary);
    font-family: var(--font-body);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* 2. TYPOGRAPHY & BASIC STYLES */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    color: var(--color-text-primary);
    line-height: 1.3;
    font-weight: 700;
}

h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
}

h2 {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: 1rem;
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.5rem);
    margin-bottom: 0.75rem;
}

p {
    color: var(--color-text-secondary);
    margin-bottom: 1rem;
    font-size: 1.1rem;
    font-weight: 500;
}

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

a:hover {
    color: white;
}

ul {
    list-style: none;
}

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

section {
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

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

/* 3. UTILITY CLASSES */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

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

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

.section-subtitle {
    display: inline-block;
    font-family: var(--font-heading);
    font-weight: 500;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 10px;
    position: relative;
}

.section-subtitle::after {
    content: '';
    display: block;
    width: 40px;
    height: 2px;
    background: var(--color-primary);
    margin: 8px auto 0;
}

.text-center .section-subtitle::after {
    margin-left: auto;
    margin-right: auto;
}

/* 4. HEADER & NAVIGATION */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 10px 0;
    background-color: rgba(10, 15, 30, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition-fast);
}

.header.scrolled {
    background-color: rgba(10, 15, 30, 0.95);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo img {
    height: 60px;
    filter: brightness(0) invert(1);
    transition: transform var(--transition-fast);
}

.logo:hover img {
    transform: scale(1.1);
}

.main-nav .nav-list {
    display: flex;
    gap: 30px;
}

.main-nav .nav-link {
    color: var(--color-text-primary);
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 1rem;
    padding: 10px 0;
    position: relative;
    transition: color var(--transition-fast);
}

.main-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--color-primary);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-fast);
}

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

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

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

/* 5. MOBILE MENU */
.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 {
    width: 30px;
    height: 3px;
    background-color: var(--color-text-primary);
    position: absolute;
    transition: transform 0.2s ease-in-out, background-color 0.2s ease-in-out;
}

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

.hamburger-inner::before,
.hamburger-inner::after {
    content: '';
    display: block;
}

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

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

.mobile-menu-toggle.active .hamburger-inner {
    background-color: transparent;
}

.mobile-menu-toggle.active .hamburger-inner::before {
    transform: translateY(10px) rotate(45deg);
    background-color: var(--color-primary);
}

.mobile-menu-toggle.active .hamburger-inner::after {
    transform: translateY(-10px) rotate(-45deg);
    background-color: var(--color-primary);
}

.mobile-menu {
    position: fixed;
    top: var(--header-height);
    right: 0;
    width: 100%;
    max-width: 400px;
    height: calc(100vh - var(--header-height));
    background-color: var(--color-background-medium);
    transform: translateX(100%);
    transition: transform var(--transition-fast);
    padding: 40px;
    overflow-y: auto;
}

.mobile-menu.active {
    transform: translateX(0);
}

.mobile-nav-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    text-align: center;
}

.mobile-nav-link {
    font-size: 1.5rem;
    font-family: var(--font-heading);
    padding: 10px;
    display: block;
}

/* 6. HERO SECTION */
.hero-section {
    padding-top: calc(var(--header-height) + 100px);
    padding-bottom: 100px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-background-animation {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 10% 20%, rgba(140, 61, 255, 0.15), transparent 40%),
        radial-gradient(circle at 80% 90%, rgba(0, 242, 255, 0.15), transparent 40%);
    animation: pulse-background 15s infinite alternate;
}

.hero-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 40px;
    align-items: center;
}

.hero-text h1 {
    margin-bottom: 1.5rem;
}

.hero-text p {
    font-size: 1.25rem;
    max-width: 600px;
    margin-bottom: 2.5rem;
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

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

.data-orb {
    position: relative;
    width: 300px;
    height: 300px;
    transform-style: preserve-3d;
    animation: rotate-orb 30s linear infinite;
}

.orb-core {
    position: absolute;
    width: 100px;
    height: 100px;
    top: 100px;
    left: 100px;
    background: radial-gradient(circle, var(--color-primary), var(--color-secondary));
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 50px;
    color: var(--color-background-dark);
    box-shadow: 0 0 30px var(--color-primary), inset 0 0 20px rgba(255, 255, 255, 0.5);
    animation: pulse-core 4s infinite alternate;
}

.orb-ring {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 2px solid var(--color-primary);
    border-radius: 50%;
    opacity: 0.5;
}

.orb-ring:nth-child(1) {
    transform: rotateX(70deg);
}

.orb-ring:nth-child(2) {
    transform: rotateY(70deg);
}

.orb-ring:nth-child(3) {
    transform: rotateX(70deg) rotateY(70deg);
}

/* 7. PAGE HEADERS (CONTACT, LEGAL) */
.page-header-section {
    padding-top: calc(var(--header-height) + 60px);
    padding-bottom: 60px;
    text-align: center;
    min-height: 40vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.page-header-section.legal-header {
    min-height: 30vh;
}

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

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

/* 8. BUTTONS & FORMS */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: 50px;
    font-family: var(--font-heading);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn span {
    z-index: 2;
}

.btn i {
    z-index: 2;
    transition: transform var(--transition-fast);
}

.btn:hover i {
    transform: translateX(5px);
}

.btn-primary {
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    color: var(--color-background-dark);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, var(--color-secondary), var(--color-primary));
    opacity: 0;
    transition: opacity var(--transition-fast);
    z-index: -1;
}

.btn-primary:hover::before {
    opacity: 1;
}

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

.btn-secondary:hover {
    background-color: var(--color-primary);
    color: var(--color-background-dark);
    box-shadow: var(--shadow-glow);
}

/* Form styles */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.form-row {
    display: flex;
    gap: 25px;
}

.form-group {
    position: relative;
    width: 100%;
}

.form-group input,
.form-group textarea {
    width: 100%;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 15px;
    color: var(--color-text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form-group label {
    position: absolute;
    top: 15px;
    left: 15px;
    color: var(--color-text-secondary);
    pointer-events: none;
    transition: all var(--transition-fast);
}

.form-group input:focus+label,
.form-group input:valid+label,
.form-group textarea:focus+label,
.form-group textarea:valid+label {
    top: -10px;
    left: 10px;
    font-size: 0.8rem;
    padding: 0 5px;
    background-color: var(--color-background-medium);
    color: var(--color-primary);
}

.form-group .focus-border {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    z-index: 1;
    transform: scaleX(0);
    background-color: var(--color-primary);
    transition: transform var(--transition-fast);
}

.form-group input:focus~.focus-border,
.form-group textarea:focus~.focus-border {
    transform: scaleX(1);
}

/* 9. SERVICES SECTION */
.services-section {
    background-color: var(--color-background-medium);
}

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

.service-card {
    background: var(--color-background-dark);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 1px;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    perspective: 1000px;
}

.service-card:hover {
    transform: translateY(-10px) rotateX(5deg);
    box-shadow: var(--shadow-glow);
}

.service-card-inner {
    background: var(--color-background-dark);
    padding: 40px 30px;
    border-radius: 9px;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.service-icon {
    font-size: 3rem;
    color: var(--color-primary);
    margin-bottom: 20px;
}

.service-description {
    flex-grow: 1;
}

.service-link {
    font-family: var(--font-heading);
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.service-link i {
    transition: transform var(--transition-fast);
}

.service-link:hover i {
    transform: translateX(5px);
}

/* 10. PROCESS SECTION */
.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), var(--color-secondary));
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -1.5px;
    z-index: -1;
}

.process-step {
    padding: 10px 40px;
    position: relative;
    width: 50%;
}

.process-step:nth-child(odd) {
    left: 0;
    text-align: right;
}

.process-step:nth-child(even) {
    left: 50%;
}

.process-icon {
    position: absolute;
    width: 60px;
    height: 60px;
    right: -30px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--color-background-dark);
    border: 3px solid var(--color-primary);
    border-radius: 50%;
    z-index: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    color: var(--color-primary);
    transition: all var(--transition-slow);
}

.process-step:hover .process-icon {
    background: var(--color-primary);
    color: var(--color-background-dark);
    box-shadow: var(--shadow-glow);
    transform: translateY(-50%) scale(1.1);
}

.process-step:nth-child(even) .process-icon {
    left: -30px;
}

.process-content .process-number {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.1);
}

.process-step:nth-child(odd) .process-content {
    padding-right: 30px;
}

.process-step:nth-child(even) .process-content {
    padding-left: 30px;
}

/* 11. INDUSTRIES SECTION */
.industries-section {
    background-color: var(--color-background-medium);
}

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

.industry-item {
    text-align: center;
    padding: 30px;
    background: var(--color-background-dark);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    transition: background var(--transition-fast), transform var(--transition-fast);
}

.industry-item:hover {
    background: var(--color-background-light);
    transform: translateY(-5px);
}

.industry-item i {
    font-size: 3rem;
    margin-bottom: 20px;
    color: var(--color-primary);
    display: block;
    transition: transform var(--transition-fast);
}

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

/* 12. TESTIMONIALS SECTION */
.testimonials-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.testimonial-card {
    background: var(--color-background-medium);
    padding: 40px;
    border-radius: 10px;
    border-left: 4px solid var(--color-primary);
}

.testimonial-text {
    position: relative;
    padding-left: 50px;
    margin-bottom: 20px;
}

.testimonial-text i.fa-quote-left {
    position: absolute;
    top: 0;
    left: 0;
    font-size: 2.5rem;
    color: var(--color-primary);
    opacity: 0.5;
}

.testimonial-text p {
    font-style: italic;
    font-size: 1.1rem;
}

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

.author-info h3 {
    margin-bottom: 0;
    font-size: 1.2rem;
}

.author-info span {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

/* 13. CTA SECTION */
.cta-section {
    background: linear-gradient(rgba(10, 15, 30, 0.9), rgba(10, 15, 30, 0.9)), url('https://www.transparenttextures.com/patterns/clean-gray-paper.png') var(--color-background-dark);
    background-blend-mode: multiply;
}

.cta-section h2 {
    font-size: 2.5rem;
}

.cta-section p {
    max-width: 600px;
    margin: 1rem auto 2rem;
}

/* 14. CONTACT PAGE */
.contact-section-standalone {
    padding: 100px 0;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 50px;
    background-color: var(--color-background-medium);
    padding: 50px;
    border-radius: 10px;
    border: 1px solid var(--color-border);
}

.contact-info .section-header {
    margin-bottom: 30px;
    text-align: left;
}

.contact-info .section-subtitle::after {
    margin: 8px 0 0;
}

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

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.contact-icon {
    font-size: 1.5rem;
    color: var(--color-primary);
    padding-top: 5px;
}

.contact-text h3 {
    margin-bottom: 5px;
}

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

/* POPUP */
.popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 2000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-fast), visibility var(--transition-fast);
}

.popup.active {
    opacity: 1;
    visibility: visible;
}

.popup-content {
    background: var(--color-background-medium);
    padding: 40px;
    border-radius: 10px;
    text-align: center;
    max-width: 500px;
    width: 90%;
    position: relative;
    transform: scale(0.9);
    transition: transform var(--transition-fast);
}

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

.popup-close-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    font-size: 1.5rem;
    color: var(--color-text-secondary);
    cursor: pointer;
}

.popup-icon {
    font-size: 4rem;
    color: var(--color-success);
    margin-bottom: 20px;
}

.popup-content h3 {
    margin-bottom: 10px;
}

.popup-content p {
    margin-bottom: 30px;
}

/* 15. LEGAL PAGES */
.legal-content {
    padding: 80px 0;
    background: var(--color-background-medium);
}

.legal-section {
    margin-bottom: 40px;
}

.legal-section h2 {
    color: var(--color-primary);
    margin-bottom: 1rem;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--color-border);
}

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

.legal-section p strong {
    color: var(--color-text-primary);
    font-weight: 600;
}


/* 16. FOOTER */
.footer {
    background-color: var(--color-background-dark);
    padding: 80px 0 0;
    border-top: 1px solid var(--color-border);
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 40px;
    padding-bottom: 60px;
}

.footer-col h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: var(--color-primary);
}

.about-col .logo img {
    height: 80px;
    margin-bottom: 20px;
}

.footer-socials {
    margin-top: 20px;
    display: flex;
    gap: 15px;
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 1px solid var(--color-border);
    border-radius: 50%;
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

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

.links-col ul li {
    margin-bottom: 10px;
}

.links-col ul a {
    color: var(--color-text-secondary);
}

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

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 15px;
    color: var(--color-text-secondary);
}

.footer-contact li i {
    color: var(--color-primary);
    padding-top: 5px;
}

.footer-bottom {
    border-top: 1px solid var(--color-border);
    padding: 30px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-legal-links a {
    margin-left: 20px;
    color: var(--color-text-secondary);
}

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


/* 17. ANIMATIONS (KEYFRAMES & SCROLL) */
@keyframes pulse-background {
    0% {
        background:
            radial-gradient(circle at 10% 20%, rgba(140, 61, 255, 0.15), transparent 40%),
            radial-gradient(circle at 80% 90%, rgba(0, 242, 255, 0.15), transparent 40%);
    }

    100% {
        background:
            radial-gradient(circle at 15% 25%, rgba(140, 61, 255, 0.2), transparent 50%),
            radial-gradient(circle at 85% 85%, rgba(0, 242, 255, 0.2), transparent 50%);
    }
}

@keyframes rotate-orb {
    from {
        transform: rotate3d(1, 1, 1, 0deg);
    }

    to {
        transform: rotate3d(1, 1, 1, 360deg);
    }
}

@keyframes pulse-core {
    from {
        transform: scale(1);
        box-shadow: 0 0 30px var(--color-primary), inset 0 0 20px rgba(255, 255, 255, 0.5);
    }

    to {
        transform: scale(1.05);
        box-shadow: 0 0 45px var(--color-primary), inset 0 0 30px rgba(255, 255, 255, 0.7);
    }
}

/* Scroll Animations */
[data-animation] {
    opacity: 0;
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

[data-animation].is-visible {
    opacity: 1;
    transform: none !important;
}

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

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

[data-animation="thought-phase-left"] {
    transform: translateX(-100px);
}

[data-animation="thought-phase-right"] {
    transform: translateX(100px);
}

/* Staggered "thought phase" animation */
.thought-phase>*,
.thought-phase-left>*,
.thought-phase-right>* {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.is-visible.thought-phase>*,
.is-visible.thought-phase-left>*,
.is-visible.thought-phase-right>* {
    opacity: 1;
    transform: translateY(0);
}

/* Staggering the children */
.is-visible> :nth-child(1) {
    transition-delay: 0.2s;
}

.is-visible> :nth-child(2) {
    transition-delay: 0.4s;
}

.is-visible> :nth-child(3) {
    transition-delay: 0.6s;
}

.is-visible> :nth-child(4) {
    transition-delay: 0.8s;
}

.is-visible> :nth-child(5) {
    transition-delay: 1s;
}

/* 18. RESPONSIVE DESIGN (MEDIA QUERIES) */
@media (max-width: 992px) {

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

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

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

    .hero-text p {
        margin-left: auto;
        margin-right: auto;
    }

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

    .hero-visual {
        margin-top: 40px;
    }

    .data-orb {
        width: 250px;
        height: 250px;
    }

    .orb-core {
        width: 80px;
        height: 80px;
        top: 85px;
        left: 85px;
        font-size: 40px;
    }

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

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

    .footer-col {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .footer-contact li {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.2rem;
    }

    h2 {
        font-size: 1.8rem;
    }

    section {
        padding: 80px 0;
    }

    .process-timeline::after {
        left: 30px;
    }

    .process-step {
        width: 100%;
        padding-left: 70px;
        padding-right: 10px;
    }

    .process-step:nth-child(odd),
    .process-step:nth-child(even) {
        left: 0;
        text-align: left;
    }

    .process-step:nth-child(odd) .process-content,
    .process-step:nth-child(even) .process-content {
        padding: 0;
    }

    .process-icon,
    .process-step:nth-child(even) .process-icon {
        left: 0;
    }

    [data-animation="thought-phase-left"],
    [data-animation="thought-phase-right"] {
        transform: translateX(0) translateY(50px);
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        padding: 30px;
    }

    .form-row {
        flex-direction: column;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 15px;
    }
}