/*
================================================
TABLE OF CONTENTS
------------------------------------------------
1.  :root Variables & Global Styles
2.  General Styling (Body, Links, Buttons)
3.  Header & Navigation
4.  Mobile Menu
5.  Footer
6.  Hero Section
7.  Page Header (For inner pages)
8.  Services Section (3D Flip Cards)
9.  Why Choose Us Section
10. ROI Calculator Section
11. Testimonials Section (Slider)
12. CTA (Call to Action) Section
13. Legal & Contact Page Specific Styles
14. Animations & Keyframes
15. Responsive Design (Media Queries)
================================================
*/

/* 1. :root Variables & Global Styles */
:root {
    --primary-bg: #0A192F;
    --secondary-bg: #112240;
    --accent-color: #64FFDA;
    --accent-color-darker: #00C79F;
    --light-text: #CCD6F6;
    --medium-text: #8892B0;
    --white-text: #FFFFFF;
    --font-family: 'Poppins', sans-serif;
    --header-height: 80px;
    --border-radius: 8px;
    --transition-speed: 0.3s;
    --box-shadow: 0 10px 30px -15px rgba(2, 12, 27, 0.7);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

body {
    font-family: var(--font-family);
    background-color: var(--primary-bg);
    color: var(--light-text);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 100px 0;
}

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

.section-header .subtitle {
    display: block;
    color: var(--accent-color);
    font-weight: 600;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--white-text);
    margin-bottom: 15px;
    font-weight: 700;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--medium-text);
    max-width: 600px;
    margin: 0 auto;
}

/* 2. General Styling (Body, Links, Buttons) */
a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color var(--transition-speed) ease;
}

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

h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--white-text);
    font-weight: 600;
    line-height: 1.3;
}

.btn {
    display: inline-block;
    padding: 12px 28px;
    font-family: var(--font-family);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    text-align: center;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background-color: transparent;
    color: var(--accent-color);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(100, 255, 218, 0.2);
}

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

.btn-secondary:hover {
    background-color: rgba(100, 255, 218, 0.1);
    color: var(--accent-color);
    transform: translateY(-3px);
}

.btn-tertiary {
    background-color: rgba(255, 255, 255, 0.9);
    color: var(--secondary-bg);
    padding: 8px 16px;
    font-size: 0.9rem;
}

.btn-tertiary:hover {
    background-color: var(--white-text);
    color: var(--primary-bg);
}

.btn-lg {
    padding: 15px 35px;
    font-size: 1.1rem;
}

.btn-block {
    display: block;
    width: 100%;
}

/* 3. Header & Navigation */
.header {
    background-color: rgba(10, 25, 47, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    padding: 15px 0;
    transition: all var(--transition-speed) ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

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

.logo a {
    display: flex;
    align-items: center;
    color: var(--white-text);
    font-weight: 700;
    font-size: 1.5rem;
}

.logo img {
    height: 80px;
    margin-right: 10px;
    transition: transform 0.5s ease-in-out;
}

.logo a:hover img {
    transform: rotate(360deg);
}

.nav-list {
    display: flex;
    list-style: none;
    align-items: center;
}

.nav-list li {
    margin: 0 15px;
}

.nav-list a {
    color: var(--light-text);
    font-weight: 500;
    padding: 5px 0;
    position: relative;
    letter-spacing: 0.5px;
}

.nav-list a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--accent-color);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-speed) ease-in-out;
}

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

.nav-list a:hover,
.nav-list a.active {
    color: var(--accent-color);
}

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

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
}

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

/* 4. Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    right: -100%;
    width: 75%;
    max-width: 300px;
    height: 100vh;
    background-color: var(--secondary-bg);
    box-shadow: -10px 0 30px -15px rgba(2, 12, 27, 0.7);
    padding: 100px 40px 40px;
    transition: right var(--transition-speed) ease-in-out;
    z-index: 999;
}

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

body.no-scroll {
    overflow: hidden;
}

.mobile-menu ul {
    list-style: none;
}

.mobile-menu li {
    margin-bottom: 25px;
    text-align: center;
}

.mobile-menu a {
    color: var(--light-text);
    font-size: 1.2rem;
    font-weight: 600;
}

.mobile-menu a.active {
    color: var(--accent-color);
}

.mobile-menu .btn-mobile {
    margin-top: 20px;
    width: 100%;
}

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

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

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


/* 5. Footer */
.footer {
    background-color: var(--secondary-bg);
    padding: 60px 0 20px;
    border-top: 2px solid rgba(100, 255, 218, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-about .footer-logo {
    margin-bottom: 20px;
}

.footer-logo a {
    display: flex;
    align-items: center;
    color: var(--white-text);
    font-weight: 700;
    font-size: 1.8rem;
}

.footer-logo img {
    height: 80px;
    margin-right: 12px;
}

.footer-about p {
    color: var(--medium-text);
    margin-bottom: 20px;
}

.social-links a {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    color: var(--light-text);
    margin-right: 10px;
    transition: all var(--transition-speed) ease;
}

.social-links a:hover {
    background-color: var(--accent-color);
    color: var(--primary-bg);
    transform: translateY(-3px);
}

.footer h3 {
    color: var(--white-text);
    font-size: 1.2rem;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--accent-color);
}

.footer-links ul,
.footer-contact ul {
    list-style: none;
}

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

.footer-links a {
    color: var(--medium-text);
    transition: all var(--transition-speed) ease;
}

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

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

.footer-contact i {
    color: var(--accent-color);
    margin-right: 15px;
    margin-top: 5px;
    width: 20px;
    text-align: center;
}

.footer-contact a {
    color: var(--medium-text);
}

.footer-contact a:hover {
    color: var(--accent-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--medium-text);
}

/* 6. Hero Section */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 150px 0 100px;
    overflow: hidden;
}

.hero-bg-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: -1;
}

.hero-bg-shapes .shape {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(100, 255, 218, 0.1) 0%, rgba(100, 255, 218, 0) 60%);
    animation: pulse 10s infinite ease-in-out;
}

.shape-1 {
    width: 400px;
    height: 400px;
    top: 10%;
    left: 5%;
    animation-duration: 8s;
}

.shape-2 {
    width: 300px;
    height: 300px;
    bottom: 15%;
    right: 10%;
    animation-duration: 12s;
    animation-delay: 2s;
}

.shape-3 {
    width: 200px;
    height: 200px;
    top: 20%;
    right: 30%;
    animation-duration: 10s;
    animation-delay: 4s;
}

.hero-content {
    max-width: 800px;
    text-align: center;
    margin: 0 auto;
}

.hero-content h1 {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--white-text);
    text-shadow: 0 0 20px rgba(100, 255, 218, 0.3);
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--light-text);
    margin-bottom: 40px;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 20px;
}

/* 7. Page Header (For inner pages) */
.page-header-section {
    padding: 150px 0 80px;
    text-align: center;
    background-color: var(--secondary-bg);
    position: relative;
    overflow: hidden;
}

.page-header-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 150%;
    height: 200px;
    background: radial-gradient(ellipse at top, rgba(100, 255, 218, 0.1), transparent 70%);
}

.page-header-section h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.page-header-section p {
    font-size: 1.1rem;
    color: var(--medium-text);
    max-width: 600px;
    margin: 0 auto;
}

/* 8. Services Section (3D Flip Cards) */
.services-section {
    background-color: var(--primary-bg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    perspective: 1000px;
}

.service-card {
    background-color: transparent;
    height: 350px;
    border-radius: var(--border-radius);
    position: relative;
}

.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: 30px;
    background-color: var(--secondary-bg);
    border: 1px solid rgba(100, 255, 218, 0.1);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.service-card-back {
    transform: rotateY(180deg);
    justify-content: space-around;
}

.service-card .icon-wrapper {
    width: 80px;
    height: 80px;
    background: linear-gradient(145deg, rgba(100, 255, 218, 0.1), rgba(100, 255, 218, 0.2));
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 20px;
    transition: all var(--transition-speed) ease;
}

.service-card .icon-wrapper i {
    font-size: 2.5rem;
    color: var(--accent-color);
    transition: all var(--transition-speed) ease;
}

.service-card:hover .icon-wrapper {
    transform: scale(1.1);
}

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

.service-card-front p {
    color: var(--medium-text);
}

.service-card-back p {
    color: var(--light-text);
    font-size: 0.95rem;
}

/* 9. Why Choose Us Section */
.why-choose-us-section {
    background-color: var(--secondary-bg);
}

.why-choose-us-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.wcu-image-block {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.wcu-image-block img {
    width: 100%;
    display: block;
    border-radius: var(--border-radius);
    filter: grayscale(50%) contrast(110%);
    transition: all 0.5s ease;
}

.wcu-image-block:hover img {
    filter: grayscale(0%) contrast(100%);
    transform: scale(1.05);
}

.wcu-image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(10, 25, 47, 0.4);
    transition: all var(--transition-speed) ease;
}

.wcu-image-block:hover .wcu-image-overlay {
    background-color: transparent;
}

.wcu-content-block .subtitle {
    display: block;
    color: var(--accent-color);
    font-weight: 600;
    margin-bottom: 10px;
}

.wcu-content-block h2 {
    font-size: 2.2rem;
    margin-bottom: 20px;
}

.wcu-content-block p {
    color: var(--medium-text);
    margin-bottom: 30px;
}

.wcu-list {
    list-style: none;
    margin-bottom: 30px;
}

.wcu-list li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 15px;
    color: var(--light-text);
}

.wcu-list i {
    color: var(--accent-color);
    margin-right: 15px;
    margin-top: 4px;
}

/* 10. ROI Calculator Section */
.roi-calculator-section {
    background-color: var(--primary-bg);
}

.roi-calculator-wrapper {
    background-color: var(--secondary-bg);
    border-radius: var(--border-radius);
    padding: 40px;
    box-shadow: var(--box-shadow);
    border: 1px solid rgba(100, 255, 218, 0.1);
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 40px;
}

.calculator-inputs .form-group {
    margin-bottom: 30px;
}

.calculator-inputs label {
    display: block;
    font-weight: 500;
    margin-bottom: 15px;
    color: var(--light-text);
}

.calculator-inputs input[type="range"] {
    -webkit-appearance: none;
    width: 100%;
    height: 8px;
    background: var(--primary-bg);
    border-radius: 5px;
    outline: none;
    opacity: 0.7;
    transition: opacity .2s;
}

.calculator-inputs input[type="range"]:hover {
    opacity: 1;
}

.calculator-inputs input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    background: var(--accent-color);
    cursor: pointer;
    border-radius: 50%;
    border: 3px solid var(--secondary-bg);
}

.calculator-inputs input[type="range"]::-moz-range-thumb {
    width: 24px;
    height: 24px;
    background: var(--accent-color);
    cursor: pointer;
    border-radius: 50%;
    border: 3px solid var(--secondary-bg);
}

.range-value {
    display: block;
    text-align: right;
    margin-top: 10px;
    font-weight: 600;
    color: var(--accent-color);
    font-size: 1.1rem;
}

.calculator-results {
    background-color: var(--primary-bg);
    padding: 30px;
    border-radius: var(--border-radius);
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.calculator-results p {
    font-weight: 600;
    color: var(--light-text);
    margin-bottom: 20px;
}

.result-box {
    margin-bottom: 15px;
}

.result-box h4 {
    font-size: 1rem;
    color: var(--medium-text);
    font-weight: 500;
    margin-bottom: 5px;
}

.result-box span {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--accent-color);
}

.result-box.roi-highlight span {
    font-size: 2.5rem;
    color: var(--white-text);
    background: linear-gradient(90deg, var(--accent-color), var(--white-text));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.calculator-results small {
    margin-top: 15px;
    color: var(--medium-text);
    font-size: 0.8rem;
}

/* 11. Testimonials Section */
.testimonials-section {
    background-color: var(--secondary-bg);
}

.testimonial-slider-wrapper {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.testimonial-slider {
    display: flex;
    overflow: hidden;
}

.testimonial-card {
    min-width: 100%;
    background-color: var(--primary-bg);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: transform 0.5s ease-in-out;
    border: 1px solid rgba(100, 255, 218, 0.1);
}

.testimonial-content {
    position: relative;
    padding-left: 50px;
    margin-bottom: 30px;
}

.testimonial-content i.fa-quote-left {
    position: absolute;
    top: -10px;
    left: 0;
    font-size: 2.5rem;
    color: var(--accent-color);
    opacity: 0.3;
}

.testimonial-content p {
    font-style: italic;
    color: var(--light-text);
    font-size: 1.1rem;
}

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

.testimonial-author img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    margin-right: 20px;
    border: 2px solid var(--accent-color);
}

.author-info h4 {
    color: var(--white-text);
    margin-bottom: 3px;
}

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

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

.slider-btn {
    pointer-events: all;
    background-color: rgba(100, 255, 218, 0.1);
    color: var(--accent-color);
    border: 1px solid var(--accent-color);
    width: 45px;
    height: 45px;
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
}

.slider-btn:hover {
    background-color: var(--accent-color);
    color: var(--primary-bg);
}

.prev-btn {
    transform: translateX(-60px);
}

.next-btn {
    transform: translateX(60px);
}

/* 12. CTA Section */
.cta-section {
    padding: 0;
}

.cta-section .container {
    padding-top: 100px;
    padding-bottom: 100px;
}

.cta-wrapper {
    background: linear-gradient(135deg, var(--secondary-bg), var(--primary-bg));
    padding: 60px;
    border-radius: var(--border-radius);
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--box-shadow);
    border: 1px solid rgba(100, 255, 218, 0.1);
    position: relative;
    overflow: hidden;
}

.cta-wrapper::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 180deg at 50% 50%, rgba(100, 255, 218, 0.2) 0deg, rgba(100, 255, 218, 0) 180deg);
    animation: rotate-gradient 8s linear infinite;
}

.cta-content {
    max-width: 60%;
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    font-size: 2.2rem;
    margin-bottom: 15px;
}

.cta-content p {
    color: var(--medium-text);
}

.cta-action {
    position: relative;
    z-index: 1;
}


/* 13. Legal & Contact Page Specific Styles */
.legal-page .page-content,
.contact-page-section {
    padding: 50px;
    margin: 50px 0;
    box-shadow: var(--box-shadow);
    border-radius: var(--border-radius);
    background-color: var(--secondary-bg);
    border: 1px solid rgba(100, 255, 218, 0.1);
}

.legal-page h2 {
    font-size: 1.8rem;
    color: var(--accent-color);
    margin: 40px 0 15px;
    border-left: 3px solid var(--accent-color);
    padding-left: 15px;
}

.legal-page h3 {
    font-size: 1.4rem;
    margin: 20px 0 10px;
    color: var(--white-text);
}

.legal-page p,
.legal-page li {
    color: var(--medium-text);
    margin-bottom: 15px;
}

.legal-page strong {
    color: var(--light-text);
}

.legal-page ul {
    list-style: disc;
    padding-left: 20px;
}

.legal-page .page-actions {
    margin-top: 40px;
}

/* Contact Page */
.contact-page-section {
    padding: 0;
    background: none;
    box-shadow: none;
    border: none;
}

.contact-page-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 40px;
    background-color: var(--secondary-bg);
    padding: 50px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    border: 1px solid rgba(100, 255, 218, 0.1);
}

.contact-info-block h2 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.contact-info-block p {
    color: var(--medium-text);
    margin-bottom: 30px;
}

.contact-detail-item {
    display: flex;
    align-items: center;
    margin-bottom: 25px;
}

.contact-detail-item .icon {
    width: 50px;
    height: 50px;
    background-color: rgba(100, 255, 218, 0.1);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-right: 20px;
}

.contact-detail-item .icon i {
    font-size: 1.5rem;
    color: var(--accent-color);
}

.contact-detail-item h3 {
    margin-bottom: 5px;
    font-size: 1.1rem;
    color: var(--white-text);
}

.contact-detail-item p,
.contact-detail-item a {
    color: var(--medium-text);
    font-size: 1rem;
}

.contact-form-wrapper h2 {
    text-align: center;
    margin-bottom: 30px;
    font-size: 2rem;
}

.contact-form .form-group {
    margin-bottom: 25px;
}

.contact-form label {
    display: block;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--light-text);
}

.contact-form .input-wrapper {
    position: relative;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 12px 15px 12px 45px;
    background-color: var(--primary-bg);
    border: 1px solid #233554;
    border-radius: var(--border-radius);
    color: var(--light-text);
    font-family: var(--font-family);
    transition: all var(--transition-speed) ease;
}

.contact-form textarea {
    padding: 12px 15px;
    resize: vertical;
    min-height: 120px;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(100, 255, 218, 0.2);
}

.contact-form .form-icon {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--medium-text);
    transition: color var(--transition-speed) ease;
}

.contact-form input:focus+.form-icon {
    color: var(--accent-color);
}

/* Success Popup */
.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 25, 47, 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) ease, visibility var(--transition-speed) ease;
}

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

.popup-content {
    background: var(--secondary-bg);
    padding: 40px;
    border-radius: var(--border-radius);
    text-align: center;
    max-width: 450px;
    width: 90%;
    box-shadow: var(--box-shadow);
    border: 1px solid rgba(100, 255, 218, 0.2);
    transform: scale(0.9);
    transition: transform var(--transition-speed) ease;
}

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

.popup-close {
    position: absolute;
    top: 15px;
    right: 15px;
    font-size: 2rem;
    color: var(--medium-text);
    cursor: pointer;
    line-height: 1;
}

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

.popup-content h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.popup-content p {
    color: var(--light-text);
    margin-bottom: 30px;
}

/* 14. Animations & Keyframes */
.animate-on-scroll,
.animate-on-load {
    opacity: 0;
    transition-property: opacity, transform;
    transition-duration: 0.8s;
    transition-timing-function: ease-out;
}

.animate-on-scroll.is-visible,
.animate-on-load.is-visible {
    opacity: 1;
    transform: none !important;
}

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

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

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

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

@keyframes pulse {
    0% {
        transform: scale(0.9);
        opacity: 0.7;
    }

    50% {
        transform: scale(1.1);
        opacity: 1;
    }

    100% {
        transform: scale(0.9);
        opacity: 0.7;
    }
}

@keyframes rotate-gradient {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

/* 15. Responsive Design (Media Queries) */

/* Tablets and smaller desktops */
@media (max-width: 1024px) {
    .section-header h2 {
        font-size: 2.2rem;
    }

    .hero-content h1 {
        font-size: 3.5rem;
    }

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

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

    .why-choose-us-wrapper {
        grid-template-columns: 1fr;
    }

    .wcu-image-block {
        margin-bottom: 30px;
    }

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

    .cta-wrapper {
        flex-direction: column;
        text-align: center;
        gap: 30px;
    }

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

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

    section {
        padding: 80px 0;
    }

    .nav {
        display: none;
    }

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

    .menu-toggle {
        display: block;
    }

    .mobile-menu {
        display: block;
    }

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

    .hero-content p {
        font-size: 1.1rem;
    }

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

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

    .section-header h2 {
        font-size: 2rem;
    }

    .page-header-section h1 {
        font-size: 2.5rem;
    }

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

    .slider-btn {
        display: none;
        /* Simpler navigation for mobile */
    }

    .testimonial-slider-wrapper {
        overflow-x: auto;
        -ms-overflow-style: none;
        /* IE and Edge */
        scrollbar-width: none;
        /* Firefox */
    }

    .testimonial-slider-wrapper::-webkit-scrollbar {
        display: none;
        /* Chrome, Safari and Opera */
    }

    .testimonial-slider {
        justify-content: flex-start;
        gap: 20px;
        padding: 0 20px;
        width: max-content;
    }

    .testimonial-card {
        width: 80vw;
    }

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