/*
* Cryo-Stasis Interface Theme
* Digital Marketing Agency Website
* Author: AI Assistant
* Version: 1.0
*/

/* 1. ROOT VARIABLES & GLOBAL STYLES
-------------------------------------------------- */
:root {
    /* Color Palette */
    --color-bg-dark: #020c1b;
    --color-bg-medium: #0a192f;
    --color-bg-light: #112240;
    --color-primary: #00e5ff;
    /* Icy Cyan */
    --color-secondary: #8892b0;
    --color-text-light: #ccd6f6;
    --color-text-dark: #a8b2d1;
    --color-white: #ffffff;
    --color-border: rgba(0, 229, 255, 0.2);
    --color-shadow: rgba(2, 12, 27, 0.7);

    /* Typography */
    --font-primary: 'Orbitron', sans-serif;
    /* For headings, futuristic */
    --font-secondary: 'Roboto', sans-serif;
    /* For body text, readable */

    /* Spacing & Sizing */
    --header-height: 80px;
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --container-width: 1140px;
    --section-padding: 100px 0;

    /* Transitions & Animations */
    --transition-fast: 0.2s ease-in-out;
    --transition-medium: 0.4s ease-in-out;
    --transition-slow: 0.6s ease-in-out;
}

/* Global Reset & Box Sizing */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: var(--color-primary) var(--color-bg-dark);
}

/* Custom Scrollbar for Webkit */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background-color: var(--color-primary);
    border-radius: 10px;
    border: 2px solid var(--color-bg-dark);
}

body {
    font-family: var(--font-secondary);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text-light);
    background-color: var(--color-bg-dark);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    position: relative;
    /* For fog layers */
}

/* Container */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Links & Buttons */
a {
    color: var(--color-primary);
    text-decoration: none;
    transition: var(--transition-fast);
}

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

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

ul {
    list-style: none;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-primary);
    color: var(--color-white);
    line-height: 1.2;
    font-weight: 700;
}

h1 {
    font-size: 4rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.2rem;
}

.section-padding {
    padding: var(--section-padding);
}

/* 2. PRELOADER & UTILITIES
-------------------------------------------------- */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-bg-dark);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: opacity 0.5s ease;
}

.preloader.fade-out {
    opacity: 0;
    pointer-events: none;
}

.preloader-logo-container {
    position: relative;
    margin-bottom: 20px;
}

.preloader-logo {
    width: 100px;
    animation: pulse 2s infinite ease-in-out;
}

.preloader-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120px;
    height: 120px;
    background: radial-gradient(circle, rgba(0, 229, 255, 0.3) 0%, rgba(0, 229, 255, 0) 70%);
    border-radius: 50%;
    animation: glow-pulse 2s infinite ease-in-out;
}

.preloader-bar {
    width: 200px;
    height: 3px;
    background-color: rgba(0, 229, 255, 0.2);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 15px;
}

.preloader-bar::before {
    content: '';
    display: block;
    width: 0;
    height: 100%;
    background-color: var(--color-primary);
    animation: loading-bar 2s ease-out forwards;
}

.preloader-text {
    font-family: var(--font-primary);
    color: var(--color-secondary);
    letter-spacing: 2px;
    font-size: 0.8rem;
    text-transform: uppercase;
}

/* Animation Utilities */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
    transition-delay: var(--delay, 0s);
}

.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.animate-on-load {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInSlideUp 0.8s ease-out forwards;
    animation-delay: var(--delay, 0s);
}

@keyframes fadeInSlideUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

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

@keyframes glow-pulse {

    0%,
    100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.7;
    }

    50% {
        transform: translate(-50%, -50%) scale(1.3);
        opacity: 1;
    }
}

@keyframes loading-bar {
    to {
        width: 100%;
    }
}

/* 3. HEADER & NAVIGATION
-------------------------------------------------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 15px 0px;
    display: flex;
    align-items: center;
    transition: background-color 0.4s ease, height 0.4s ease, box-shadow 0.4s ease;
}

.header.scrolled {
    background-color: rgba(10, 25, 47, 0.85);
    /* Frosty glass effect */
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 10px 30px -10px var(--color-shadow);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.nav-logo-link {
    display: flex;
    align-items: center;
}

.nav-logo {
    height: 80px;
    width: auto;
    filter: invert(1);
    transition: var(--transition-medium);
}


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

.nav-link {
    font-family: var(--font-secondary);
    font-size: 0.9rem;
    color: var(--color-text-light);
    text-transform: capitalize;
    padding: 10px 5px;
    position: relative;
    transition: var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-primary);
    transform: scaleX(0);
    transform-origin: bottom right;
    transition: transform 0.3s ease-out;
}

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

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

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

/* Hamburger Menu */
.hamburger {
    display: none;
    cursor: pointer;
    z-index: 101;
    /* Above nav menu */
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background-color: var(--color-text-light);
    border-radius: 3px;
    transition: all 0.3s ease-in-out;
}

/* 4. BUTTONS & CTA
-------------------------------------------------- */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: var(--border-radius-sm);
    font-family: var(--font-primary);
    font-weight: 500;
    font-size: 0.9rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-medium);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-bg-dark);
    border: 2px solid var(--color-primary);
}

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

.btn-secondary {
    background-color: var(--color-bg-light);
    color: var(--color-text-light);
    border: 2px solid var(--color-border);
}

.btn-secondary:hover {
    background-color: var(--color-bg-medium);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn-outline:hover {
    background-color: rgba(0, 229, 255, 0.1);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1rem;
}

/* Thawing Glow Wipe Animation */
.btn-thaw {
    isolation: isolate;
}

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

.btn-thaw::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(110deg, var(--color-white) 33%, rgba(255, 255, 255, 0) 33%), var(--color-primary);
    z-index: 1;
    transform: translateX(-101%);
    transition: transform 0.6s cubic-bezier(0.7, 0, 0.3, 1);
}

.btn-thaw:hover::before {
    transform: translateX(0);
}

.btn-thaw:hover {
    color: var(--color-bg-dark);
}

.btn-thaw:hover .glimmer {
    display: none;
}

/* Glimmer effect */
.glimmer {
    position: absolute;
    top: 0;
    left: 0;
    pointer-events: none;
}

.glimmer-rect {
    fill: none;
    stroke: var(--color-primary);
    stroke-width: 2;
    stroke-dasharray: 15, 150;
    animation: glimmer-draw 3s linear infinite;
}

@keyframes glimmer-draw {
    to {
        stroke-dashoffset: -165;
    }
}


/* 5. PARALLAX & BACKGROUND EFFECTS
-------------------------------------------------- */
.fog-layer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    z-index: -1;
    pointer-events: none;
    opacity: 0.15;
}

.fog-layer-1 {
    background-image: url('https://i.imgur.com/uR8vKhj.png');
    animation: fog-move 60s linear infinite alternate;
}

.fog-layer-2 {
    background-image: url('https://i.imgur.com/gOUMoV7.png');
    opacity: 0.2;
    animation: fog-move 45s linear infinite alternate-reverse;
}

@keyframes fog-move {
    from {
        transform: translateX(-5%);
    }

    to {
        transform: translateX(5%);
    }
}

/* 6. HERO SECTION
-------------------------------------------------- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding-top: var(--header-height);
    background: url('https://images.unsplash.com/photo-1554435493-93422e8220c8?q=80&w=2070') no-repeat center center/cover;
}

.hero-background-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, var(--color-bg-dark) 0%, rgba(2, 12, 27, 0.6) 100%);
    z-index: 1;
}

.hero-container {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.hero-content {
    max-width: 650px;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    margin-bottom: 20px;
    font-weight: 900;
}

.hero-title .reveal-text {
    display: block;
    overflow: hidden;
}

.hero-title .reveal-text::after {
    content: '';
    display: inline-block;
    vertical-align: bottom;
    width: 100%;
    height: 110%;
    background: var(--color-bg-dark);
    animation: reveal-up 1s cubic-bezier(0.7, 0, 0.3, 1) forwards;
    animation-delay: 0.2s;
}

@keyframes reveal-up {
    from {
        transform: translateY(0);
    }

    to {
        transform: translateY(110%);
    }
}

.hero-title .highlight {
    color: var(--color-primary);
}

.hero-title .highlight::after {
    animation-delay: 0.4s;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-dark);
    margin-bottom: 30px;
    max-width: 500px;
}

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

/* Hero 3D Element */
.hero-3d-element-container {
    perspective: 1000px;
}

.hero-3d-element {
    width: 200px;
    height: 200px;
    position: relative;
    transform-style: preserve-3d;
    animation: rotate-cube 30s infinite linear;
}

.cube {
    width: 100%;
    height: 100%;
    position: absolute;
    transform-style: preserve-3d;
}

.face {
    position: absolute;
    width: 200px;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    color: var(--color-primary);
    background: rgba(17, 34, 64, 0.5);
    border: 1px solid var(--color-border);
    backdrop-filter: blur(5px);
}

.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%);
    z-index: 5;
}

.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: 3px;
    height: 8px;
    background: var(--color-secondary);
    border-radius: 3px;
    animation: scroll-anim 1.5s infinite;
}

@keyframes scroll-anim {
    0% {
        transform: translate(-50%, 0);
        opacity: 1;
    }

    100% {
        transform: translate(-50%, 15px);
        opacity: 0;
    }
}

/* 7. SECTION HEADERS
-------------------------------------------------- */
.section-header {
    margin-bottom: 60px;
}

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

.subtitle {
    display: block;
    font-family: var(--font-primary);
    color: var(--color-primary);
    margin-bottom: 10px;
    letter-spacing: 1px;
    font-size: 1rem;
}

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

.section-description {
    color: var(--color-text-dark);
    max-width: 600px;
}

.section-header.text-center .section-description {
    margin-left: auto;
    margin-right: auto;
}

/* Frosted Crack Reveal Animation */
.crack-reveal {
    position: relative;
    color: transparent;
    -webkit-text-stroke: 1px var(--color-primary);
}

.crack-reveal::before {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    color: var(--color-white);
    -webkit-text-stroke: 0px;
    transition: clip-path 1s cubic-bezier(0.7, 0, 0.3, 1);
    clip-path: polygon(0% 0%, 0% 0%, 0% 100%, 0% 100%);
}

.animate-on-scroll.is-visible .crack-reveal::before,
.animate-on-load .crack-reveal::before {
    clip-path: polygon(0% 0%, 100% 0%, 100% 100%, 0% 100%);
}

/* Set data-text attribute via JS */
h2.crack-reveal,
h1.crack-reveal {
    /* JS will handle adding data-text attribute */
}

/* 8. SERVICES SECTION
-------------------------------------------------- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: transparent;
    perspective: 1000px;
    border-radius: var(--border-radius-md);
    min-height: 280px;
}

.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;
    padding: 30px;
    border-radius: var(--border-radius-md);
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    transition: var(--transition-medium);
}

.service-card-front {
    text-align: center;
}

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

.service-card-back ul {
    margin: 15px 0;
    text-align: left;
    flex-grow: 1;
}

.service-card-back li {
    margin-bottom: 8px;
    font-size: 0.9rem;
    position: relative;
    padding-left: 20px;
}

.service-card-back li::before {
    content: '\f138';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    color: var(--color-primary);
    position: absolute;
    left: 0;
}


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

.service-title {
    margin-bottom: 15px;
}

.service-desc {
    color: var(--color-text-dark);
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
}

.service-card:hover .service-card-front {
    border-color: var(--color-primary);
    box-shadow: 0 0 30px rgba(0, 229, 255, 0.1);
}

/* 9. ABOUT SECTION
-------------------------------------------------- */
.about-container {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: center;
}

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

.about-image {
    padding-top: 120%;
    /* Aspect ratio for vertical image */
    position: relative;
    background: url('https://images.unsplash.com/photo-1522071820081-009f0129c71c?q=80&w=2070') no-repeat center center/cover;
    border-radius: var(--border-radius-md);
    overflow: hidden;
}

.about-image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-primary);
    mix-blend-mode: screen;
    opacity: 0.4;
    transition: var(--transition-medium);
}

.about-image-wrapper:hover .about-image-overlay {
    opacity: 0.2;
}

.about-features {
    margin: 25px 0;
}

.about-features li {
    margin-bottom: 10px;
    color: var(--color-text-dark);
    display: flex;
    align-items: center;
}

.about-features i {
    color: var(--color-primary);
    margin-right: 15px;
    font-size: 1.2rem;
}

/* 10. PROCESS SECTION
--------------------------------------------------- */
.process {
    background-color: var(--color-bg-medium);
}

.process-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 0;
}

.process-timeline::after {
    content: '';
    position: absolute;
    width: 3px;
    background-color: var(--color-bg-light);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -1.5px;
}

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

/* Left items */
.process-item:nth-child(odd) {
    left: 0;
    text-align: right;
}

/* Right items */
.process-item:nth-child(even) {
    left: 50%;
}

.process-item:nth-child(odd) .process-icon {
    right: -30px;
}

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

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

.process-item:hover .process-icon {
    background-color: var(--color-primary);
    color: var(--color-bg-dark);
    transform: translateY(-50%) scale(1.1);
}

.process-content {
    padding: 20px 30px;
    background-color: var(--color-bg-light);
    border-radius: var(--border-radius-md);
    border: 1px solid var(--color-border);
}

.process-content h3 {
    color: var(--color-primary);
    margin-bottom: 10px;
}

.process-content p {
    color: var(--color-text-dark);
    font-size: 0.9rem;
}

/* 11. ROI CALCULATOR
--------------------------------------------------- */
.roi-calculator-section {
    background-color: var(--color-bg-dark);
}

.roi-calculator-wrapper {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 50px;
    background-color: var(--color-bg-light);
    padding: 40px;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--color-border);
}

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

.roi-form label {
    display: block;
    margin-bottom: 15px;
    color: var(--color-text-light);
    font-family: var(--font-primary);
}

.roi-form input[type="range"] {
    -webkit-appearance: none;
    width: 100%;
    height: 4px;
    background: var(--color-bg-medium);
    outline: none;
    border-radius: 2px;
}

.roi-form input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    background: var(--color-primary);
    cursor: pointer;
    border-radius: 50%;
    border: 4px solid var(--color-bg-light);
}

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

.roi-form output {
    display: block;
    margin-top: 10px;
    text-align: right;
    font-family: var(--font-primary);
    color: var(--color-primary);
    font-size: 1.2rem;
}

.roi-results {
    border-left: 1px solid var(--color-border);
    padding-left: 50px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.roi-results h3 {
    margin-bottom: 30px;
    color: var(--color-white);
}

.result-item {
    margin-bottom: 20px;
}

.result-label {
    display: block;
    color: var(--color-text-dark);
    font-size: 0.9rem;
}

.result-value {
    display: block;
    font-family: var(--font-primary);
    font-size: 2.5rem;
    color: var(--color-primary);
    font-weight: 700;
}

.disclaimer {
    font-size: 0.8rem;
    color: var(--color-secondary);
    margin-top: auto;
}

/* 12. TESTIMONIALS SECTION
--------------------------------------------------- */
.testimonial-slider-wrapper {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.testimonial-slider {
    position: relative;
    min-height: 300px;
    overflow: hidden;
}

.testimonial-card {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.5s ease, transform 0.5s ease;
    padding: 40px;
    background-color: var(--color-bg-light);
    border-radius: var(--border-radius-md);
    border-left: 5px solid var(--color-primary);
    text-align: center;
}

.testimonial-card.active {
    opacity: 1;
    transform: scale(1);
    position: relative;
}

.testimonial-quote-icon {
    font-size: 2.5rem;
    color: var(--color-primary);
    opacity: 0.5;
    margin-bottom: 20px;
}

.testimonial-text {
    font-style: italic;
    color: var(--color-text-dark);
    margin-bottom: 30px;
    font-size: 1.1rem;
}

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

.author-name {
    color: var(--color-white);
}

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

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

.slider-btn {
    background: transparent;
    border: 2px solid var(--color-border);
    color: var(--color-secondary);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition-fast);
}

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

/* 13. CTA SECTION
--------------------------------------------------- */
.cta-section {
    background: linear-gradient(rgba(10, 25, 47, 0.9), rgba(10, 25, 47, 0.9)), url('https://images.unsplash.com/photo-1516321497487-e288fb19713f?q=80&w=2070') no-repeat center center/cover;
}

.cta-title {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.cta-text {
    max-width: 600px;
    margin: 0 auto 30px;
    color: var(--color-text-dark);
}

/* 14. FOOTER
--------------------------------------------------- */
.footer {
    background-color: var(--color-bg-medium);
    padding: 80px 0 0;
    font-size: 0.9rem;
}

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

.footer-col h3 {
    font-family: var(--font-primary);
    color: var(--color-white);
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.footer-logo {
    width: 150px;
    filter: invert(1);
    margin-bottom: 20px;
}

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

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

.footer-social a {
    color: var(--color-secondary);
    font-size: 1.2rem;
    width: 40px;
    height: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 1px solid var(--color-border);
    border-radius: 50%;
    transition: var(--transition-medium);
}

.footer-social a:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
    transform: translateY(-5px);
}

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

.footer-links ul li a {
    color: var(--color-text-dark);
}

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

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

.footer-contact ul li i {
    color: var(--color-primary);
    margin-right: 15px;
    margin-top: 4px;
}

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

.footer-contact ul li a:hover {
    color: var(--color-primary);
}

.footer-bottom {
    padding: 25px 0;
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--color-secondary);
}

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

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

/* 15. BACK TO TOP & CHAT BUBBLE
--------------------------------------------------- */
.back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 45px;
    height: 45px;
    background-color: var(--color-primary);
    color: var(--color-bg-dark);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.2rem;
    z-index: 99;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition-medium);
}

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

.chat-bubble {
    position: fixed;
    bottom: 80px;
    right: 20px;
    width: 55px;
    height: 55px;
    background: var(--color-bg-light);
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    z-index: 99;
    cursor: pointer;
    transition: var(--transition-medium);
}

.chat-bubble:hover {
    transform: scale(1.1);
    background-color: var(--color-primary);
    color: var(--color-bg-dark);
}

.chat-bubble-glow {
    position: absolute;
    width: 100%;
    height: 100%;
    background: var(--color-primary);
    border-radius: 50%;
    z-index: -1;
    opacity: 0.5;
    animation: chat-glow 2s infinite;
}

@keyframes chat-glow {
    0% {
        transform: scale(1);
        opacity: 0.5;
    }

    50% {
        transform: scale(1.4);
        opacity: 0;
    }

    100% {
        transform: scale(1);
        opacity: 0.5;
    }
}


/* 16. CONTACT PAGE SPECIFIC STYLES
--------------------------------------------------- */
.page-header {
    padding: 180px 0 100px;
    text-align: center;
    position: relative;
    background: linear-gradient(rgba(2, 12, 27, 0.8), var(--color-bg-dark)), url('https://images.unsplash.com/photo-1557804506-669a67965ba0?q=80&w=1974') no-repeat center center/cover;
}

.page-title {
    font-size: 3.5rem;
    margin-bottom: 10px;
}

.page-subtitle {
    color: var(--color-text-dark);
    font-size: 1.1rem;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 50px;
    background-color: var(--color-bg-light);
    padding: 50px;
    border-radius: var(--border-radius-md);
}

.contact-heading {
    margin-bottom: 20px;
}

.contact-subheading {
    color: var(--color-text-dark);
    margin-bottom: 40px;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 30px;
}

.contact-info-item i {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-right: 20px;
    width: 30px;
    text-align: center;
}

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

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

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

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

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

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    background-color: var(--color-bg-medium);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    color: var(--color-white);
    font-family: var(--font-secondary);
    transition: border-color var(--transition-fast);
}

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

select {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2300e5ff' class='bi bi-chevron-down' viewBox='0 0 16 16'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 15px center;
}

.btn-full-width {
    width: 100%;
}

.popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1001;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-medium);
}

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

.popup-content {
    background: var(--color-bg-light);
    padding: 40px;
    border-radius: var(--border-radius-md);
    text-align: center;
    max-width: 400px;
    position: relative;
    transform: scale(0.9);
    transition: transform 0.3s 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-secondary);
}

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

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

.popup-content p {
    color: var(--color-text-dark);
    margin-bottom: 25px;
}

/* 17. LEGAL PAGES
--------------------------------------------------- */
.breadcrumbs {
    font-size: 0.9rem;
}

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

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

.legal-content .legal-container {
    max-width: 800px;
}

.content-wrapper h2 {
    margin: 40px 0 20px;
    font-size: 1.8rem;
    color: var(--color-primary);
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 10px;
}

.content-wrapper p,
.content-wrapper li {
    color: var(--color-text-dark);
    margin-bottom: 20px;
}

.content-wrapper ul {
    list-style: disc;
    padding-left: 20px;
}

.content-wrapper strong {
    color: var(--color-text-light);
}


/* 18. RESPONSIVE DESIGN
--------------------------------------------------- */
/* Tablets and larger devices */
@media (max-width: 992px) {
    h1 {
        font-size: 3rem;
    }

    h2 {
        font-size: 2.2rem;
    }

    .hero-container {
        flex-direction: column;
        text-align: center;
    }

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

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

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

    .hero-3d-element-container {
        display: none;
    }

    .about-container {
        grid-template-columns: 1fr;
    }

    .about-image {
        padding-top: 60%;
    }

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

    .about-features {
        display: inline-block;
        text-align: left;
    }

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

    .roi-results {
        border-left: none;
        padding-left: 0;
        border-top: 1px solid var(--color-border);
        padding-top: 40px;
        text-align: center;
    }

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

    .footer-about {
        grid-column: 1 / 3;
    }
}

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

    .section-padding {
        padding: 80px 0;
    }

    /* Mobile Navigation */
    .hamburger {
        display: block;
    }

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

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

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

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 0;
        flex-direction: column;
        justify-content: center;
        background-color: var(--color-bg-medium);
        width: 100%;
        height: 100vh;
        text-align: center;
        transition: 0.4s;
        gap: 20px;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-item {
        margin: 16px 0;
    }

    .nav-link {
        font-size: 1.5rem;
    }

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

    h2 {
        font-size: 2rem;
    }

    .header-actions .btn {
        display: none;
        /* Hide quote button on mobile nav */
    }

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

    .process-item {
        width: 100%;
        padding-left: 70px;
        padding-right: 20px;
    }

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

    .process-icon {
        left: 0 !important;
    }

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

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

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

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

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