/*
    Theme: DATARAY
    Colors:
    --color-primary: #2196F3 (Laser Blue)
    --color-secondary: #C6FF00 (Neon Lime)
    --color-dark: #050505 (Dark Space)
    --color-light: #f0f0f0
    --color-bg-dark: #0d0d1a
    --color-bg-light: #1a1a2e
    --color-text-muted: #a0a0b8
*/

/* 1. Global Styles & Variables
-------------------------------------------------- */
:root {
    --color-primary: #2196F3;
    --color-secondary: #C6FF00;
    --color-dark: #050505;
    --color-light: #f0f0f0;
    --color-bg-dark: #080810;
    --color-bg-light: #10101f;
    --color-text-muted: #a0a0b8;
    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Orbitron', sans-serif;
    --header-height: 80px;
    --border-radius: 8px;
    --transition-speed: 0.3s;
}

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

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

body {
    background-color: var(--color-bg-dark);
    color: var(--color-light);
    font-family: var(--font-primary);
    line-height: 1.7;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-secondary);
    color: var(--color-light);
    line-height: 1.3;
    font-weight: 700;
    text-shadow: 0 0 5px rgba(33, 150, 243, 0.2);
}

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

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

ul {
    list-style: none;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 100px 0;
}

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

.section-subtitle {
    display: block;
    font-family: var(--font-secondary);
    color: var(--color-secondary);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.9rem;
    margin-bottom: 10px;
    position: relative;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    border-radius: 2px;
}

.section-description {
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto;
}

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

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--color-primary);
    border-radius: 5px;
}

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

/* 2. Header & Navigation
-------------------------------------------------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: background-color var(--transition-speed) ease, padding var(--transition-speed) ease;
    padding: 20px 0;
}

.header.scrolled {
    background-color: rgba(13, 13, 26, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 15px 0;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

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

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

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

.nav-list {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-link {
    color: var(--color-light);
    font-weight: 500;
    font-family: var(--font-secondary);
    font-size: 0.9rem;
    text-transform: uppercase;
    position: relative;
    padding: 5px 0;
}

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

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

.nav-link.active {
    color: var(--color-secondary);
}

/* Dropdown Menu */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 150%;
    left: 0;
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-primary);
    border-radius: var(--border-radius);
    padding: 10px 0;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-speed) ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li a {
    display: block;
    padding: 10px 20px;
    color: var(--color-light);
    font-size: 0.9rem;
    transition: all var(--transition-speed) ease;
}

.dropdown-menu li a:hover {
    background-color: var(--color-primary);
    color: var(--color-dark);
    padding-left: 25px;
}

/* Mobile Menu */
.menu-toggle {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.hamburger {
    width: 25px;
    height: 2px;
    background-color: var(--color-light);
    position: relative;
    transition: background-color 0s 0.3s;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    background-color: var(--color-light);
    left: 0;
    transition: transform var(--transition-speed) ease, top var(--transition-speed) ease 0.3s;
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    top: 8px;
}

.nav.active .hamburger {
    background-color: transparent;
}

.nav.active .hamburger::before {
    top: 0;
    transform: rotate(45deg);
    transition: top var(--transition-speed) ease, transform var(--transition-speed) ease 0.3s;
}

.nav.active .hamburger::after {
    top: 0;
    transform: rotate(-45deg);
    transition: top var(--transition-speed) ease, transform var(--transition-speed) ease 0.3s;
}

/* 3. Buttons & Forms
-------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 28px;
    border-radius: 50px;
    font-family: var(--font-secondary);
    font-weight: 500;
    text-transform: uppercase;
    border: 2px solid transparent;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    z-index: 1;
    transition: all var(--transition-speed) ease;
}

.btn span {
    z-index: 2;
}

.btn i {
    z-index: 2;
}

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

.btn-primary:hover {
    background-color: var(--color-dark);
    color: var(--color-primary);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(33, 150, 243, 0.4);
}

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

.btn-secondary:hover {
    background-color: var(--color-secondary);
    color: var(--color-dark);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(198, 255, 0, 0.4);
}

/* Form Styles */
.contact-form {
    background: var(--color-bg-light);
    padding: 40px;
    border-radius: var(--border-radius);
    border: 1px solid var(--color-primary);
    box-shadow: 0 0 40px rgba(33, 150, 243, 0.1);
}

.form-title {
    margin-bottom: 30px;
    text-align: center;
    font-size: 1.5rem;
}

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

.form-group {
    position: relative;
    margin-bottom: 20px;
    width: 100%;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 15px;
    background-color: var(--color-bg-dark);
    border: 1px solid #333;
    border-radius: var(--border-radius);
    color: var(--color-light);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: border-color var(--transition-speed) ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 10px rgba(33, 150, 243, 0.5);
}

.form-group i {
    position: absolute;
    top: 50%;
    right: 15px;
    transform: translateY(-50%);
    color: var(--color-text-muted);
}

.form-row .form-group i {
    top: 65%;
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23C6FF00' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1em;
    padding-right: 2.5rem;
}


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

.checkbox-group input[type="checkbox"] {
    width: auto;
}

.checkbox-group label {
    margin: 0;
    font-size: 0.9rem;
}

.btn-full {
    width: 100%;
    justify-content: center;
}


/* 4. Page Specific Sections
-------------------------------------------------- */

/* --- Hero Section --- */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

#hero-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-content {
    max-width: 800px;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 0 0 20px rgba(33, 150, 243, 0.5);
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--color-text-muted);
    margin-bottom: 40px;
}

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

.hero-3d-object {
    position: absolute;
    bottom: -50px;
    right: 5%;
    width: 200px;
    height: 200px;
    perspective: 1000px;
    z-index: 1;
    opacity: 0.3;
}

.cube {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
    animation: rotate-cube 20s infinite linear;
}

.face {
    position: absolute;
    width: 200px;
    height: 200px;
    background: rgba(33, 150, 243, 0.1);
    border: 1px solid var(--color-primary);
    color: white;
    font-size: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.face span {
    font-size: 1rem;
    font-family: var(--font-primary);
}

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

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

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

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

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

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

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

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

.scroll-down-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
}

.mouse {
    width: 25px;
    height: 45px;
    border: 2px solid var(--color-secondary);
    border-radius: 20px;
    position: relative;
}

.mouse span {
    position: absolute;
    display: block;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--color-secondary);
    border-radius: 2px;
    animation: scroll-anim 1.5s infinite;
}

@keyframes scroll-anim {
    0% {
        opacity: 1;
        top: 10px;
    }

    100% {
        opacity: 0;
        top: 25px;
    }
}

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

.service-card {
    background-color: transparent;
    perspective: 1000px;
    min-height: 300px;
}

.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;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 30px;
    border-radius: var(--border-radius);
    background-color: var(--color-bg-light);
    border: 1px solid transparent;
    transition: all var(--transition-speed) ease;
}

.service-card-front {
    border: 1px solid #333;
}

.service-card:hover .service-card-front {
    border-color: var(--color-primary);
    box-shadow: 0 0 30px rgba(33, 150, 243, 0.2);
}

.service-card-back {
    background: linear-gradient(135deg, var(--color-primary), #1a1a2e);
    color: white;
    transform: rotateY(180deg);
}

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

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

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

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

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

.service-card-back li {
    margin-bottom: 10px;
    position: relative;
    padding-left: 20px;
}

.service-card-back li::before {
    content: '\f058';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    color: var(--color-secondary);
    position: absolute;
    left: 0;
}

.btn-read-more {
    color: var(--color-secondary);
    font-weight: bold;
    text-transform: uppercase;
    font-size: 0.9rem;
}

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

.calculator-wrapper {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 50px;
    align-items: center;
}

.form-group-slider {
    margin-bottom: 2rem;
}

.form-group-slider label {
    display: block;
    margin-bottom: 1rem;
    font-weight: 500;
}

.slider-container {
    display: flex;
    align-items: center;
    gap: 15px;
}

.slider-container span {
    color: var(--color-text-muted);
}

input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    background: #333;
    outline: none;
    border-radius: 3px;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    background: var(--color-secondary);
    cursor: pointer;
    border-radius: 50%;
    border: 4px solid var(--color-bg-light);
    box-shadow: 0 0 10px rgba(198, 255, 0, 0.5);
}

input[type="range"]::-moz-range-thumb {
    width: 24px;
    height: 24px;
    background: var(--color-secondary);
    cursor: pointer;
    border-radius: 50%;
    border: 4px solid var(--color-bg-light);
}

.slider-value {
    text-align: right;
    margin-top: 10px;
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--color-secondary);
}

.calculator-results {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.result-card {
    background: var(--color-bg-dark);
    padding: 25px;
    border-radius: var(--border-radius);
    text-align: center;
    border: 1px solid #333;
    position: relative;
    overflow: hidden;
}

.result-label {
    display: block;
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.result-value {
    display: block;
    font-size: 2.5rem;
    font-family: var(--font-secondary);
    color: var(--color-primary);
    font-weight: bold;
}

.result-beam {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0%;
    height: 5px;
    background: linear-gradient(90deg, transparent, var(--color-secondary), transparent);
    transition: width 0.5s ease;
}

/* --- Live Analytics Section --- */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: auto auto;
    gap: 20px;
    grid-template-areas:
        "kpi1 kpi2 kpi3 kpi4"
        "chart1 chart1 chart2 chart2";
}

.dash-card {
    background: var(--color-bg-light);
    padding: 25px;
    border-radius: var(--border-radius);
    border: 1px solid #333;
    transition: all var(--transition-speed) ease;
}

.dash-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    border-color: var(--color-primary);
}

.dash-card.kpi {
    grid-area: kpi;
    text-align: center;
}

.dash-card.kpi:nth-child(1) {
    grid-area: kpi1;
}

.dash-card.kpi:nth-child(2) {
    grid-area: kpi2;
}

.dash-card.kpi:nth-child(3) {
    grid-area: kpi3;
}

.dash-card.kpi:nth-child(4) {
    grid-area: kpi4;
}

.dash-card.chart-bar {
    grid-area: chart1;
}

.dash-card.chart-doughnut {
    grid-area: chart2;
}

.dash-card h4 {
    font-size: 1rem;
    margin-bottom: 15px;
    color: var(--color-text-muted);
    text-transform: uppercase;
}

.kpi-value {
    font-size: 2.5rem;
    font-family: var(--font-secondary);
    color: var(--color-light);
    margin-bottom: 10px;
    display: inline-block;
}

.kpi-trend {
    font-size: 0.9rem;
    font-weight: bold;
}

.kpi-trend.up {
    color: var(--color-secondary);
}

.kpi-trend.down {
    color: #f32156;
}

.kpi-trend i {
    margin-right: 5px;
}

.bar-chart-container {
    display: flex;
    justify-content: space-around;
    align-items: flex-end;
    height: 200px;
    width: 100%;
}

.bar-item {
    width: 15%;
    background-color: var(--bar-color);
    position: relative;
    height: var(--bar-value);
    border-radius: 4px 4px 0 0;
    animation: grow-bar 1s ease-out forwards;
    transform-origin: bottom;
}

.bar-item span {
    position: absolute;
    bottom: -25px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

@keyframes grow-bar {
    from {
        transform: scaleY(0);
    }

    to {
        transform: scaleY(1);
    }
}

.doughnut-chart-container {
    position: relative;
    width: 180px;
    height: 180px;
    margin: 0 auto 20px;
}

.doughnut-chart {
    width: 100%;
    height: 100%;
}

.chart-center-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: var(--color-light);
    font-family: var(--font-secondary);
}

.circle-bg {
    fill: none;
    stroke: #333;
    stroke-width: 3.8;
}

.circle {
    fill: none;
    stroke: var(--color-primary);
    stroke-width: 2.8;
    stroke-linecap: round;
    animation: progress 1s ease-out forwards;
}

@keyframes progress {
    0% {
        stroke-dasharray: 0 100;
    }
}

.chart-legend {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 20px;
}

.chart-legend li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
}

.chart-legend span {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

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

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

.testimonial-slider {
    display: flex;
    transition: transform var(--transition-speed) ease-in-out;
}

.testimonial-slide {
    min-width: 100%;
    padding: 40px;
    background: var(--color-bg-dark);
    border-radius: var(--border-radius);
    border: 1px solid #333;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.testimonial-content {
    text-align: center;
    margin-bottom: 30px;
}

.testimonial-content i {
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: 20px;
}

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

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

.author-info h4 {
    margin-bottom: 5px;
    color: var(--color-light);
}

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

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

.slider-controls button {
    background: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
}

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

.slider-dots {
    display: flex;
    gap: 10px;
    margin: 0 20px;
}

.slider-dots .dot {
    width: 12px;
    height: 12px;
    background: #333;
    border-radius: 50%;
    cursor: pointer;
    transition: background var(--transition-speed) ease;
}

.slider-dots .dot.active {
    background: var(--color-secondary);
}

/* --- CTA Section --- */
.cta-section {
    background: linear-gradient(rgba(13, 13, 26, 0.8), rgba(13, 13, 26, 0.8)), url('https://i.imgur.com/G5g2mN0.jpeg') no-repeat center center/cover;
    padding: 80px 0;
    text-align: center;
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-size: 2.2rem;
    margin-bottom: 20px;
}

.cta-text {
    color: var(--color-text-muted);
    margin-bottom: 30px;
}

/* --- Contact Page --- */
.page-header {
    padding: 150px 0 80px;
    text-align: center;
    background: linear-gradient(180deg, var(--color-bg-light), var(--color-bg-dark));
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 10px;
}

.breadcrumbs a {
    color: var(--color-text-muted);
}

.breadcrumbs span {
    color: var(--color-secondary);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
}

.contact-info-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 25px;
    background: var(--color-bg-light);
    border-radius: var(--border-radius);
    border-left: 5px solid var(--color-primary);
    transition: all var(--transition-speed) ease;
}

.contact-card:hover {
    transform: translateX(10px);
    border-left-color: var(--color-secondary);
}

.contact-icon {
    font-size: 2rem;
    color: var(--color-primary);
}

.contact-card h3 {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.contact-card p,
.contact-card a {
    color: var(--color-text-muted);
}

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

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

.popup-content {
    background: var(--color-bg-light);
    padding: 40px;
    border-radius: var(--border-radius);
    text-align: center;
    position: relative;
    border-top: 5px solid var(--color-secondary);
    transform: scale(0.9);
    transition: transform var(--transition-speed) ease;
}

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

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

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

.popup h3 {
    font-size: 1.8rem;
    margin-bottom: 10px;
}

/* --- Legal Pages --- */
.main-content {
    padding: 100px 0;
}

.legal-content {
    max-width: 800px;
    margin: 0 auto;
    background: var(--color-bg-light);
    padding: 40px;
    border-radius: var(--border-radius);
}

.legal-content h2 {
    font-size: 1.8rem;
    color: var(--color-primary);
    margin-top: 40px;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #333;
}

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

.legal-content strong {
    color: var(--color-secondary);
}

/* 5. Footer
-------------------------------------------------- */
.footer {
    background-color: var(--color-dark);
    padding: 80px 0 0;
    border-top: 2px solid var(--color-primary);
}

.footer-top {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 50px;
}

.footer-col h3 {
    font-size: 1.2rem;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 10px;
}

.footer-col h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background-color: var(--color-secondary);
}

.footer-logo img {
    height: 50px;
    filter: invert(1);
    margin-bottom: 20px;
}

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

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

.footer-socials a {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    border: 1px solid var(--color-primary);
    border-radius: 50%;
    color: var(--color-primary);
    transition: all var(--transition-speed) ease;
}

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

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

.footer-links ul a {
    color: var(--color-text-muted);
    position: relative;
    padding-left: 20px;
}

.footer-links ul a::before {
    content: '\f105';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    left: 0;
    color: var(--color-primary);
    transition: all var(--transition-speed) ease;
}

.footer-links ul a:hover {
    color: var(--color-light);
    padding-left: 25px;
}

.footer-links ul a:hover::before {
    color: var(--color-secondary);
}

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

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

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

.footer-bottom {
    border-top: 1px solid #333;
    padding: 25px 0;
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* 6. Utility & Other
-------------------------------------------------- */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--color-primary);
    color: var(--color-light);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.2rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-speed) ease;
    z-index: 999;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background-color: var(--color-secondary);
    color: var(--color-dark);
}

/* 7. Responsiveness
-------------------------------------------------- */
@media (max-width: 992px) {
    .header {
        padding: 15px 0;
        background-color: rgba(13, 13, 26, 0.95);
    }

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background-color: var(--color-bg-light);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: right var(--transition-speed) ease-in-out;
        padding-top: var(--header-height);
    }

    .nav.active {
        right: 0;
    }

    .nav-list {
        flex-direction: column;
        gap: 25px;
    }

    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        background: transparent;
        border: none;
        box-shadow: none;
        padding-left: 20px;
        display: none;
    }

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

    .dropdown>a i {
        transition: transform 0.3s ease;
    }

    .dropdown.open>a i {
        transform: rotate(180deg);
    }

    .menu-toggle {
        display: block;
    }

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

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

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

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

    .dashboard-grid {
        grid-template-columns: 1fr 1fr;
        grid-template-areas:
            "kpi1 kpi2"
            "kpi3 kpi4"
            "chart1 chart1"
            "chart2 chart2";
    }

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

@media (max-width: 768px) {
    .section {
        padding: 80px 0;
    }

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

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

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

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

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

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

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

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

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

@media (max-width: 576px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
        grid-template-areas:
            "kpi1" "kpi2" "kpi3" "kpi4"
            "chart1" "chart2";
    }

    .doughnut-chart-container {
        margin: 0 auto;
    }
}