/*
================================================
TABLE OF CONTENTS
------------------------------------------------
1.  RESET & ROOT VARIABLES
2.  GENERAL & UTILITY CLASSES
3.  PRELOADER
4.  HEADER & NAVIGATION
5.  MOBILE NAVIGATION
6.  HERO SECTION
7.  PAGE HEADER (FOR INNER PAGES)
8.  SERVICES SECTION
9.  ABOUT SECTION
10. GROWTH PROJECTOR SECTION
11. PRICING SECTION
12. TESTIMONIALS SECTION
13. CTA (CALL TO ACTION) SECTION
14. FOOTER
15. CONTACT PAGE SPECIFIC STYLES
16. LEGAL PAGES (PRIVACY, TERMS, DISCLAIMER)
17. ANIMATIONS & KEYFRAMES
18. RESPONSIVE DESIGN (MEDIA QUERIES)
================================================
*/

/* 1. RESET & ROOT VARIABLES */
/* ================================================ */
:root {
    --primary-color-start: #6a11cb;
    --primary-color-end: #2575fc;
    --secondary-color: #0d1128;
    --background-color: #0a0a1a;
    --surface-color: #12122d;
    --text-color: rgba(255, 255, 255, 0.85);
    --heading-color: #ffffff;
    --border-color: rgba(255, 255, 255, 0.1);
    --gradient-primary: linear-gradient(90deg, var(--primary-color-start) 0%, var(--primary-color-end) 100%);
    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Roboto', sans-serif;
    --header-height: 80px;
    --border-radius: 12px;
    --shadow-light: 0 4px 15px rgba(0, 0, 0, 0.2);
    --shadow-medium: 0 8px 30px rgba(0, 0, 0, 0.3);
    --shadow-heavy: 0 10px 50px rgba(0, 0, 0, 0.5);
    --transition-fast: 0.2s ease-in-out;
    --transition-medium: 0.4s ease-in-out;
    --transition-slow: 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

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

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

body {
    font-family: var(--font-secondary);
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.7;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-primary);
    color: var(--heading-color);
    font-weight: 700;
    line-height: 1.3;
}

h1 {
    font-size: 3.5rem;
}

h2 {
    font-size: 2.75rem;
}

h3 {
    font-size: 1.75rem;
}

h4 {
    font-size: 1.25rem;
}

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

a:hover {
    color: var(--heading-color);
}

ul {
    list-style: none;
}

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

::selection {
    background-color: var(--primary-color-end);
    color: var(--heading-color);
}

::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--secondary-color);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color-end);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color-start);
}

/* 2. GENERAL & UTILITY CLASSES */
/* ================================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 50px;
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 1rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--heading-color);
    box-shadow: 0 5px 20px rgba(37, 117, 252, 0.4);
}

.btn-primary:hover {
    color: var(--heading-color);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 25px rgba(106, 17, 203, 0.5);
}

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

.btn-secondary:hover {
    background-color: var(--heading-color);
    color: var(--background-color);
    border-color: var(--heading-color);
    transform: translateY(-3px);
}

.btn-tertiary {
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
    padding: 8px 20px;
    font-size: 0.9rem;
}

.btn-tertiary:hover {
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
}

.highlight-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;
}

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

.section-subtitle {
    display: inline-block;
    font-family: var(--font-primary);
    font-weight: 600;
    color: var(--primary-color-end);
    background: rgba(37, 117, 252, 0.1);
    padding: 8px 16px;
    border-radius: 50px;
    margin-bottom: 15px;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
}

.section-title {
    margin-bottom: 20px;
}

.section-description {
    max-width: 700px;
    margin: 0 auto;
    font-size: 1.1rem;
}

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

/* 3. PRELOADER */
/* ================================================ */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--background-color);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader-logo {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.preloader-logo img {
    width: 80px;
    filter: brightness(0)invert(1);
    animation: pulse 1.5s infinite ease-in-out;
}

.preloader-text {
    font-family: var(--font-primary);
    font-size: 2rem;
    font-weight: 700;
    color: var(--heading-color);
}

.preloader-bar {
    width: 150px;
    height: 4px;
    background-color: var(--surface-color);
    border-radius: 2px;
    position: relative;
    overflow: hidden;
}

.preloader-bar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 50%;
    background: var(--gradient-primary);
    border-radius: 2px;
    animation: preloader-slide 1.5s infinite ease-in-out;
}

/* 4. HEADER & NAVIGATION */
/* ================================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 15px 0;
    background-color: transparent;
    z-index: 1000;
    transition: background-color var(--transition-medium), box-shadow var(--transition-medium), height var(--transition-medium);
}

.header.scrolled {
    background-color: rgba(18, 18, 45, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow-light);
}

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

.logo a {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--heading-color);
}

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

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

.nav-list {
    display: flex;
    align-items: center;
    gap: 35px;
}

.nav-link {
    font-family: var(--font-primary);
    font-weight: 500;
    color: var(--text-color);
    position: relative;
    padding: 5px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-medium);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

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

.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 150%;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 10px 0;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transition: top var(--transition-medium), opacity var(--transition-medium), visibility var(--transition-medium);
    box-shadow: var(--shadow-medium);
}

.dropdown:hover .dropdown-menu {
    top: 100%;
    opacity: 1;
    visibility: visible;
}

.dropdown-menu li a {
    display: block;
    padding: 10px 20px;
    color: var(--text-color);
    font-weight: 500;
}

.dropdown-menu li a:hover {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--heading-color);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--heading-color);
    font-size: 1.5rem;
    cursor: pointer;
}

/* 5. MOBILE NAVIGATION */
/* ================================================ */
.mobile-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--background-color);
    z-index: 1001;
    display: flex;
    flex-direction: column;
    padding: 30px;
    transform: translateX(100%);
    transition: transform 0.5s cubic-bezier(0.77, 0, 0.175, 1);
}

.mobile-nav.open {
    transform: translateX(0);
}

.mobile-nav-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 50px;
}

.close-btn {
    background: none;
    border: none;
    color: var(--heading-color);
    font-size: 2.5rem;
    cursor: pointer;
}

.mobile-nav-list {
    display: flex;
    flex-direction: column;
    gap: 25px;
    flex-grow: 1;
}

.mobile-nav-link {
    font-family: var(--font-primary);
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--text-color);
}

.mobile-nav-link:hover {
    color: var(--heading-color);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.mobile-dropdown-menu {
    padding-left: 20px;
    margin-top: 10px;
    display: none;
}

.mobile-dropdown-menu.open {
    display: block;
}

.mobile-dropdown-menu li a {
    font-size: 1.2rem;
    color: var(--text-color);
    padding: 8px 0;
    display: block;
}

.mobile-quote-btn {
    width: 100%;
    text-align: center;
    margin-top: auto;
}

/* 6. HERO SECTION */
/* ================================================ */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: var(--header-height);
    background: radial-gradient(circle at 10% 20%, rgba(106, 17, 203, 0.15), transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(37, 117, 252, 0.15), transparent 40%);
}

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

.hero-bg-shapes .shape {
    position: absolute;
    background: var(--gradient-primary);
    border-radius: 50%;
    opacity: 0.05;
    filter: blur(50px);
}

.shape1 {
    width: 400px;
    height: 400px;
    top: 10%;
    left: 5%;
}

.shape2 {
    width: 300px;
    height: 300px;
    top: 60%;
    left: 30%;
}

.shape3 {
    width: 250px;
    height: 250px;
    top: 20%;
    right: 10%;
}

.shape4 {
    width: 350px;
    height: 350px;
    bottom: 5%;
    right: 20%;
}

.shape5 {
    width: 200px;
    height: 200px;
    bottom: 15%;
    left: 15%;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 50px;
}

.hero-content {
    z-index: 2;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    letter-spacing: -2px;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 40px;
    max-width: 500px;
}

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

.hero-3d-graphics {
    position: relative;
    width: 100%;
    height: 500px;
    perspective: 1000px;
}

.graphic-element {
    position: absolute;
    width: 100px;
    height: 100px;
    background-color: var(--surface-color);
    border-radius: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 3rem;
    color: var(--heading-color);
    box-shadow: var(--shadow-medium);
    border: 1px solid var(--border-color);
    transition: transform 0.5s ease-out;
}

.graphic-element i {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.element-chart {
    top: 10%;
    left: 20%;
    transform: translateZ(50px);
}

.element-target {
    top: 30%;
    right: 10%;
    transform: translateZ(100px);
}

.element-rocket {
    bottom: 20%;
    left: 5%;
    transform: translateZ(20px);
}

.element-data {
    bottom: 10%;
    right: 30%;
    transform: translateZ(70px);
}

/* 7. PAGE HEADER (FOR INNER PAGES) */
/* ================================================ */
.page-header {
    padding: 160px 0 80px;
    background: linear-gradient(rgba(10, 10, 26, 0.8), rgba(10, 10, 26, 0.8)),
        url('https://images.unsplash.com/photo-1519389950473-47ba0277781c?q=80&w=2070&auto=format&fit=crop') no-repeat center center/cover;
    text-align: center;
}

.page-header h1 {
    font-size: 3.5rem;
    margin-bottom: 15px;
}

.breadcrumbs a {
    color: var(--text-color);
    font-weight: 500;
}

.breadcrumbs a:hover {
    color: var(--primary-color-end);
}

.breadcrumbs span {
    color: var(--heading-color);
    font-weight: 500;
}

/* 8. SERVICES SECTION */
/* ================================================ */
.services-section {
    background-color: var(--secondary-color);
}

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

.service-card {
    perspective: 1500px;
    min-height: 320px;
}

.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;
    background-color: var(--surface-color);
    border-radius: var(--border-radius);
    padding: 40px 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    border: 1px solid var(--border-color);
}

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

.service-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;
}

.service-title {
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.service-desc {
    font-size: 1rem;
}

.service-card-back ul {
    text-align: left;
    margin: 20px 0;
    width: 100%;
    padding-left: 15px;
}

.service-card-back li {
    margin-bottom: 10px;
    position: relative;
}

.service-card-back li::before {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    color: var(--primary-color-end);
    position: absolute;
    left: -20px;
}

/* 9. ABOUT SECTION */
/* ================================================ */
.about-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 80px;
    align-items: center;
}

.about-image-container {
    position: relative;
}

.about-image {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-heavy);
    transform: rotate(-3deg);
    transition: var(--transition-slow);
}

.about-image:hover {
    transform: rotate(0deg) scale(1.05);
}

.about-image-decoration {
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 80%;
    height: 80%;
    background: transparent;
    border: 10px solid var(--primary-color-start);
    border-radius: var(--border-radius);
    z-index: -1;
    transition: var(--transition-slow);
}

.about-image-container:hover .about-image-decoration {
    transform: translate(10px, 10px);
}

.about-features {
    margin-top: 30px;
    margin-bottom: 40px;
}

.about-features li {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
    font-size: 1.1rem;
    font-weight: 500;
}

.about-features i {
    font-size: 1.2rem;
    color: var(--primary-color-end);
}

/* 10. GROWTH PROJECTOR SECTION */
/* ================================================ */
.growth-projector-section {
    background-color: var(--secondary-color);
}

.projector-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    background-color: var(--surface-color);
    padding: 40px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-medium);
}

.projector-controls h3 {
    margin-bottom: 20px;
}

.service-selectors {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 30px;
}

.service-btn {
    flex-grow: 1;
    padding: 12px 20px;
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.service-btn:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.service-btn.active {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
}

.budget-slider {
    position: relative;
}

#budgetRange {
    width: 100%;
    -webkit-appearance: none;
    appearance: none;
    height: 8px;
    background: var(--background-color);
    outline: none;
    border-radius: 4px;
}

#budgetRange::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    background: var(--primary-color-end);
    cursor: pointer;
    border-radius: 50%;
    border: 4px solid var(--surface-color);
}

#budgetRange::-moz-range-thumb {
    width: 24px;
    height: 24px;
    background: var(--primary-color-end);
    cursor: pointer;
    border-radius: 50%;
    border: 4px solid var(--surface-color);
}

.budget-value {
    margin-top: 15px;
    text-align: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--heading-color);
}

.projector-display {
    border-left: 1px solid var(--border-color);
    padding-left: 50px;
}

.chart-container {
    height: 250px;
    border-left: 2px solid var(--border-color);
    border-bottom: 2px solid var(--border-color);
    position: relative;
    padding-left: 10px;
}

.chart-title {
    position: absolute;
    top: -30px;
    left: 0;
    font-size: 0.9rem;
}

.chart-bars {
    display: flex;
    justify-content: space-around;
    height: 100%;
    align-items: flex-end;
}

.bar-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
    justify-content: flex-end;
}

.bar-group span {
    font-size: 0.8rem;
    margin-top: 5px;
}

.bar {
    width: 30px;
    background: var(--gradient-primary);
    border-radius: 5px 5px 0 0;
    transition: height 0.8s cubic-bezier(0.19, 1, 0.22, 1);
}

.projection-summary {
    margin-top: 30px;
    background: rgba(0, 0, 0, 0.2);
    padding: 20px;
    border-radius: var(--border-radius);
}

.projection-summary h4 {
    margin-bottom: 10px;
}

#summaryService {
    color: var(--primary-color-end);
}

/* 11. PRICING SECTION */
/* ================================================ */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    align-items: center;
}

.pricing-card {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 40px;
    text-align: center;
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

.pricing-card.featured {
    transform: scale(1.05);
    border: 2px solid var(--primary-color-end);
    box-shadow: 0 0 40px rgba(37, 117, 252, 0.3);
}

.featured-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: 5px 15px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
}

.pricing-header {
    margin-bottom: 30px;
}

.pricing-tier-name {
    font-size: 2rem;
    font-weight: 700;
}

.pricing-tier-desc {
    margin-top: 5px;
    font-size: 0.9rem;
}

.pricing-price {
    margin: 30px 0;
    font-size: 4rem;
    font-weight: 800;
    line-height: 1;
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

.pricing-price .dollar {
    font-size: 1.5rem;
    font-weight: 600;
    margin-right: 5px;
    margin-top: 10px;
    color: var(--primary-color-end);
}

.pricing-price .period {
    font-size: 1rem;
    font-weight: 500;
    margin-left: 5px;
    align-self: flex-end;
    margin-bottom: 10px;
}

.pricing-price .custom {
    font-size: 2.5rem;
}

.pricing-features {
    text-align: left;
    margin-bottom: 40px;
}

.pricing-features li {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.pricing-features i {
    font-size: 1.2rem;
}

.pricing-features .fa-check {
    color: #2ecc71;
}

.pricing-features .fa-times {
    color: #e74c3c;
    opacity: 0.5;
}

/* 12. TESTIMONIALS SECTION */
/* ================================================ */
.testimonials-section {
    background: linear-gradient(rgba(13, 17, 40, 0.95), rgba(13, 17, 40, 0.95)),
        url('https://images.unsplash.com/photo-1454165804606-c3d57bc86b40?q=80&w=2070&auto=format&fit=crop') no-repeat center center/cover;
}

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

.testimonial-slider {
    position: relative;
    overflow: hidden;
    height: 350px;
}

.testimonial-slide {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.6s ease, transform 0.6s ease;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

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

.testimonial-content {
    background-color: var(--surface-color);
    padding: 40px;
    border-radius: var(--border-radius);
    position: relative;
    margin-bottom: 40px;
    font-size: 1.15rem;
    font-style: italic;
    box-shadow: var(--shadow-medium);
}

.testimonial-content::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 20px solid transparent;
    border-right: 20px solid transparent;
    border-top: 20px solid var(--surface-color);
}

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

.testimonial-author img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 3px solid var(--primary-color-end);
}

.author-info {
    text-align: left;
}

.author-name {
    display: block;
    font-weight: 700;
    color: var(--heading-color);
    font-size: 1.1rem;
}

.author-title {
    font-size: 0.9rem;
    opacity: 0.8;
}

.slider-controls {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
}

.slider-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    color: var(--heading-color);
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.slider-btn:hover {
    background-color: var(--primary-color-end);
    border-color: var(--primary-color-end);
}

/* 13. CTA (CALL TO ACTION) SECTION */
/* ================================================ */
.cta-section {
    background-color: var(--secondary-color);
    padding: 80px 0;
}

.cta-wrapper {
    background: var(--gradient-primary);
    padding: 60px;
    border-radius: var(--border-radius);
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 10px 40px rgba(37, 117, 252, 0.3);
}

.cta-title {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.cta-text {
    max-width: 600px;
    color: white;
    opacity: 0.9;
}

.btn-cta {
    background: white;
    color: var(--primary-color-start);
    padding: 18px 40px;
}

.btn-cta:hover {
    background: var(--background-color);
    color: white;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

/* 14. FOOTER */
/* ================================================ */
.footer {
    background-color: #050510;
    padding: 80px 0 0;
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 50px;
    margin-bottom: 60px;
}

.footer-col h3 {
    margin-bottom: 25px;
    font-size: 1.25rem;
    position: relative;
    padding-bottom: 10px;
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}

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

.footer-about p {
    margin-bottom: 25px;
}

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

.footer-socials a {
    width: 40px;
    height: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: var(--surface-color);
    color: var(--text-color);
    border-radius: 50%;
    transition: var(--transition-fast);
}

.footer-socials a:hover {
    background: var(--gradient-primary);
    color: white;
    transform: translateY(-3px);
}

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

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

.footer-contact ul li {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 15px;
}

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

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding: 25px 0;
    text-align: center;
    font-size: 0.9rem;
}

/* 15. CONTACT PAGE SPECIFIC STYLES */
/* ================================================ */
.contact-page-section {
    padding-top: 0;
}

.contact-page-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 40px;
    margin-top: 60px;
}

.contact-info-panel {
    background-color: var(--surface-color);
    padding: 40px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.contact-panel-title {
    margin-bottom: 15px;
}

.contact-panel-desc {
    margin-bottom: 30px;
}

.contact-info-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    margin-bottom: 25px;
}

.contact-info-item i {
    font-size: 1.5rem;
    color: var(--primary-color-end);
    margin-top: 5px;
    width: 30px;
    text-align: center;
}

.contact-info-item h4 {
    margin-bottom: 5px;
    font-size: 1.1rem;
}

.contact-info-item p,
.contact-info-item a {
    color: var(--text-color);
}

.contact-info-item a:hover {
    color: var(--heading-color);
}

.contact-form-container {
    background-color: var(--surface-color);
    padding: 40px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.form-title {
    margin-bottom: 30px;
}

.form-row {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    flex-grow: 1;
    width: 100%;
}

.form-group:not(.checkbox-group) {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px;
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-color);
    font-size: 1rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color-end);
    box-shadow: 0 0 0 3px rgba(37, 117, 252, 0.3);
}

textarea {
    resize: vertical;
    min-height: 120px;
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 20px 0;
}

.checkbox-group input {
    width: auto;
}

.checkbox-group label a {
    color: var(--primary-color-end);
    font-weight: 600;
}

.submit-btn {
    width: 100%;
}

.popup-overlay {
    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: var(--transition-medium);
}

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

.popup-content {
    background-color: var(--surface-color);
    padding: 40px;
    border-radius: var(--border-radius);
    text-align: center;
    transform: scale(0.7);
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

.popup-icon {
    font-size: 4rem;
    color: #2ecc71;
    margin-bottom: 20px;
}

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

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

/* 16. LEGAL PAGES (PRIVACY, TERMS, DISCLAIMER) */
/* ================================================ */
.main-content {
    padding: 50px 0;
}

.legal-content {
    background-color: var(--surface-color);
    padding: 50px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    max-width: 900px;
    margin: 0 auto;
}

.legal-content h2 {
    font-size: 2rem;
    margin-top: 40px;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.legal-content h3 {
    font-size: 1.5rem;
    margin-top: 30px;
    margin-bottom: 15px;
}

.legal-content p,
.legal-content li {
    margin-bottom: 1.2em;
    line-height: 1.8;
}

.legal-content ul {
    list-style: disc;
    padding-left: 25px;
}

.legal-content a {
    color: white;
    font-weight: 600;
}

.legal-content a:hover {
    text-decoration: underline;
}

.legal-content strong {
    color: var(--heading-color);
    font-weight: 600;
}

.legal-contact-section {
    margin-top: 50px;
    text-align: center;
}

/* 17. ANIMATIONS & KEYFRAMES */
/* ================================================ */
.animate-up {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.animate-up.visible {
    opacity: 1;
    transform: translateY(0);
}

@keyframes preloader-slide {
    0% {
        transform: translateX(-100%);
    }

    50% {
        transform: translateX(200%);
    }

    100% {
        transform: translateX(-100%);
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.1);
    }

    100% {
        transform: scale(1);
    }
}

/* 18. RESPONSIVE DESIGN (MEDIA QUERIES) */
/* ================================================ */
@media (max-width: 1024px) {

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

    h2 {
        font-size: 2.2rem;
    }

    section {
        padding: 80px 0;
    }

    .nav {
        display: none;
    }

    .menu-toggle {
        display: block;
    }

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

    .hero-content {
        order: 2;
    }

    .hero-3d-graphics {
        order: 1;
        height: 350px;
        margin-bottom: 40px;
    }

    .hero-subtitle {
        margin: 20px auto 40px;
    }

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

    .about-wrapper {
        grid-template-columns: 1fr;
        gap: 50px;
    }

    .about-image-container {
        max-width: 500px;
        margin: 0 auto;
    }

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

    .about-features {
        display: inline-flex;
        flex-direction: column;
        align-items: flex-start;
    }

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

    .projector-display {
        border-left: none;
        padding-left: 0;
        margin-top: 40px;
        border-top: 1px solid var(--border-color);
        padding-top: 40px;
    }

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

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

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

@media (max-width: 768px) {

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

    h2 {
        font-size: 1.8rem;
    }

    .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }

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

    .pricing-card.featured {
        transform: scale(1);
    }

    .pricing-card {
        margin-bottom: 20px;
    }

    .cta-wrapper {
        flex-direction: column;
        text-align: center;
        gap: 30px;
        padding: 40px 20px;
    }

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

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

    .footer-col h3::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .footer-socials {
        justify-content: center;
    }

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

    .form-row {
        flex-direction: column;
        gap: 0;
    }

    .legal-content {
        padding: 30px 20px;
    }
}

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

    .hero-title {
        font-size: 2.2rem;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 15px;
    }

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

    .graphic-element {
        width: 80px;
        height: 80px;
        font-size: 2rem;
    }
}