/*
  Theme: Neon Grid Futurism
  Description: A blend of 80s arcade vibes and cyberpunk tech for a cutting-edge digital marketing agency.
  Colors: Electric blue, magenta, neon cyan on a dark background.
*/

/* ------------------- */
/* ROOT & VARIABLES    */
/* ------------------- */
:root {
    --black: #010409;
    --dark-grey: #0D1117;
    --medium-grey: #161B22;
    --light-grey: #21262d;
    --text-color: #c9d1d9;
    --text-light: #f0f6fc;
    --border-color: #30363d;
    --blue: #58a6ff;
    --magenta: #d836c3;
    --cyan: #39c5cf;
    --glow-strength: 8px;
    --header-height: 80px;
    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Roboto Mono', monospace;
    --transition-fast: 0.2s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

/* ------------------- */
/* BASE & RESET        */
/* ------------------- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    background-color: var(--black);
    color: var(--text-color);
    font-family: var(--font-primary);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul {
    list-style: none;
}

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

/* ------------------- */
/* BACKGROUND & EFFECTS*/
/* ------------------- */
.grid-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background-image:
        linear-gradient(rgba(22, 27, 34, 0.6) 1px, transparent 1px),
        linear-gradient(90deg, rgba(22, 27, 34, 0.6) 1px, transparent 1px);
    background-size: 50px 50px;
    transform: perspective(500px) rotateX(60deg);
    animation: scroll-grid 30s linear infinite;
}

@keyframes scroll-grid {
    0% {
        background-position: 0 0;
    }

    100% {
        background-position: 0 -1000px;
    }
}

.vignette {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    box-shadow: inset 0 0 200px var(--black);
    z-index: -1;
}

/* ------------------- */
/* PRELOADER           */
/* ------------------- */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--black);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    transition: opacity 0.8s ease, visibility 0.8s;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.preloader-logo {
    width: 100px;
    margin-bottom: 2rem;
    filter: drop-shadow(0 0 10px var(--cyan));
    animation: pulse 2s infinite ease-in-out;
}

.preloader-text {
    font-family: var(--font-secondary);
    color: var(--cyan);
    letter-spacing: 2px;
    animation: flicker 1.5s infinite alternate;
}

@keyframes pulse {

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

    50% {
        transform: scale(1.05);
        opacity: 0.8;
    }
}

@keyframes flicker {

    0%,
    18%,
    22%,
    25%,
    53%,
    57%,
    100% {
        text-shadow:
            0 0 4px var(--cyan),
            0 0 11px var(--cyan),
            0 0 19px var(--cyan);
    }

    20%,
    24%,
    55% {
        text-shadow: none;
    }
}

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

.section {
    padding: 6rem 0;
}

.section-header {
    margin-bottom: 4rem;
}

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

.section-tag {
    display: block;
    font-family: var(--font-secondary);
    color: var(--cyan);
    margin-bottom: 1rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    font-weight: 700;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    text-shadow: 0 0 var(--glow-strength) rgba(88, 166, 255, 0.3);
}

.section-intro {
    max-width: 600px;
    margin: 0 auto;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.8rem 1.8rem;
    border-radius: 5px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-family: var(--font-secondary);
    border: 2px solid transparent;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-fast);
    z-index: 1;
}

.btn span {
    z-index: 2;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: var(--cyan);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.4s ease, height 0.4s ease;
    z-index: -1;
}

.btn:hover::before {
    width: 225%;
    height: 500%;
}

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

.btn-primary:hover {
    color: var(--text-light);
    box-shadow: 0 0 15px var(--blue);
}

.btn-primary::before {
    background: var(--cyan);
}


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

.btn-secondary:hover {
    color: var(--black);
    box-shadow: 0 0 15px var(--cyan);
}

.btn-secondary::before {
    background: var(--cyan);
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

.btn-full {
    width: 100%;
}

/* ------------------- */
/* HEADER              */
/* ------------------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background-color: rgba(13, 17, 23, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: background-color var(--transition-fast);
}

.header.scrolled {
    background-color: rgba(13, 17, 23, 0.95);
}

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

.logo-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo {
    height: 60px;
    width: auto;
    filter: drop-shadow(0 0 5px var(--cyan));
    transition: filter var(--transition-fast);
}

.logo-link:hover .logo {
    filter: drop-shadow(0 0 10px var(--text-light));
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-light);
    font-family: var(--font-secondary);
}

.nav-menu {
    display: flex;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: var(--text-color);
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
}

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

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

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

.nav-close {
    display: none;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

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

/* ------------------- */
/* HERO SECTION        */
/* ------------------- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--header-height);
    position: relative;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 2rem;
}

.hero-title {
    font-size: 5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    display: block;
    font-size: 3.5rem;
    font-weight: 400;
    color: var(--text-color);
}

.glitch {
    position: relative;
    color: var(--text-light);
    text-shadow: 0 0 5px var(--magenta);
}

.hero-description {
    font-size: 1.1rem;
    max-width: 500px;
    margin-bottom: 2.5rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 500px;
}

.wireframe-sphere {
    width: 400px;
    height: 400px;
    border-radius: 50%;
    position: relative;
    background: radial-gradient(circle at center, rgba(88, 166, 255, 0.1), transparent 70%);
    animation: rotate-sphere 30s linear infinite;
    transform-style: preserve-3d;
}

.wireframe-sphere::before,
.wireframe-sphere::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 2px solid var(--blue);
    box-shadow: 0 0 20px var(--blue);
}

.wireframe-sphere::before {
    transform: rotateY(75deg);
}

.wireframe-sphere::after {
    transform: rotateX(75deg);
}

@keyframes rotate-sphere {
    from {
        transform: rotateY(0deg) rotateX(10deg);
    }

    to {
        transform: rotateY(360deg) rotateX(10deg);
    }
}

.scroll-down-link {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-down-icon {
    width: 24px;
    height: 40px;
    border: 2px solid var(--cyan);
    border-radius: 20px;
    position: relative;
}

.scroll-down-icon::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    width: 4px;
    height: 8px;
    background: var(--cyan);
    border-radius: 2px;
    transform: translateX(-50%);
    animation: scroll-indicator 2s infinite;
}

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

    50% {
        transform: translate(-50%, 10px);
        opacity: 0;
    }

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

/* ------------------- */
/* ABOUT SECTION       */
/* ------------------- */
.about-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 4rem;
    align-items: center;
}

.about-image-wrapper {
    position: relative;
    border: 1px solid var(--border-color);
    padding: 1rem;
}

.about-image {
    filter: grayscale(80%) contrast(1.2);
    opacity: 0.7;
}

.tech-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        repeating-linear-gradient(0deg, transparent, transparent 49.5%, var(--cyan) 50%, transparent 50.5%),
        repeating-linear-gradient(90deg, transparent, transparent 49.5%, var(--cyan) 50%, transparent 50.5%);
    background-size: 20px 20px;
    opacity: 0.1;
    animation: tech-scan 5s linear infinite;
}

@keyframes tech-scan {
    0% {
        background-position: 0 0;
    }

    100% {
        background-position: 0 100px;
    }
}

.about-stats {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
    margin-bottom: 2rem;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    font-family: var(--font-secondary);
    color: var(--blue);
    text-shadow: 0 0 10px var(--blue);
}

.stat-label {
    font-family: var(--font-secondary);
    color: var(--text-color);
}

/* ------------------- */
/* SERVICES SECTION    */
/* ------------------- */
.services-section {
    background: var(--dark-grey);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--medium-grey);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 2rem;
    position: relative;
    overflow: hidden;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.4s;
    transform-style: preserve-3d;
}

.service-card-inner {
    transform: translateZ(20px);
}

.service-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 0 20px var(--glow-color);
    border-color: var(--glow-color);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at var(--mouse-x) var(--mouse-y), rgba(255, 255, 255, 0.05), transparent 30%);
    opacity: 0;
    transition: opacity var(--transition-slow);
}

.service-card:hover::before {
    opacity: 1;
}

.service-card-icon {
    font-size: 2.5rem;
    color: var(--glow-color);
    margin-bottom: 1.5rem;
    text-shadow: 0 0 15px var(--glow-color);
}

.service-card-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-light);
}

.calculator-wrapper {
    background: var(--medium-grey);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 2rem;
    margin-top: 4rem;
    text-align: center;
}

.calculator-title {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}

.calculator-form {
    display: flex;
    justify-content: center;
    align-items: flex-end;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.calculator-result {
    display: none;
    background: var(--dark-grey);
    padding: 1rem;
    border-radius: 5px;
    border-left: 3px solid var(--cyan);
}

.calculator-result.show {
    display: inline-block;
}

/* ------------------- */
/* PROCESS SECTION     */
/* ------------------- */
.process-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline-line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--border-color);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    width: 50%;
    margin-bottom: 3rem;
    padding: 0 2.5rem;
}

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

.timeline-item:nth-child(even) {
    left: 50%;
}

.timeline-icon {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--medium-grey);
    border: 3px solid var(--border-color);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    color: var(--magenta);
    z-index: 2;
    transition: all var(--transition-slow);
}

.timeline-item:nth-child(odd) .timeline-icon {
    right: -25px;
    transform: translateY(-50%) translateX(50%);
}

.timeline-item:nth-child(even) .timeline-icon {
    left: -25px;
    transform: translateY(-50%) translateX(-50%);
}

.timeline-item.is-visible .timeline-icon {
    border-color: var(--magenta);
    background: var(--magenta);
    color: var(--black);
    box-shadow: 0 0 20px var(--magenta);
}

.timeline-title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-light);
}

/* ------------------- */
/* TESTIMONIALS        */
/* ------------------- */
.testimonials-section {
    background: var(--dark-grey);
    border-top: 1px solid var(--border-color);
}

.testimonial-slider {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.testimonial-card {
    background: var(--medium-grey);
    border: 1px solid var(--border-color);
    padding: 2rem;
    border-radius: 8px;
    position: relative;
}

.testimonial-card::before {
    content: '\f10d';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    top: 1rem;
    left: 1rem;
    font-size: 2.5rem;
    color: var(--blue);
    opacity: 0.1;
}

.testimonial-text {
    margin-bottom: 1.5rem;
    font-style: italic;
}

.testimonial-author {
    border-left: 3px solid var(--blue);
    padding-left: 1rem;
}

.author-name {
    color: var(--text-light);
    font-weight: 600;
}

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

/* ------------------- */
/* CTA SECTION         */
/* ------------------- */
.cta-section {
    background-image:
        radial-gradient(circle at 10% 20%, rgba(88, 166, 255, 0.15), transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(216, 54, 195, 0.15), transparent 40%);
    border-top: 1px solid var(--border-color);
}

.cta-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-text {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 2.5rem;
}


/* ------------------- */
/* FOOTER              */
/* ------------------- */
.footer {
    background-color: var(--dark-grey);
    padding: 5rem 0 2rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.9rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 2fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo-link {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.footer-logo {
    height: 60px;
}

.footer-about-text {
    margin-bottom: 1.5rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

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

.social-links a:hover {
    background-color: var(--cyan);
    border-color: var(--cyan);
    color: var(--black);
    transform: translateY(-3px);
}

.footer-col-title {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    font-family: var(--font-secondary);
    color: var(--text-light);
}

.footer-links ul li {
    margin-bottom: 0.75rem;
}

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

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

.footer-contact ul li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.footer-contact i {
    color: var(--blue);
    margin-top: 4px;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
    text-align: center;
    font-family: var(--font-secondary);
}

/* ------------------- */
/* PAGE-SPECIFIC       */
/* ------------------- */
/* Shared Page Header */
.page-header {
    padding: 8rem 0 4rem;
    text-align: center;
    background: linear-gradient(180deg, rgba(13, 17, 23, 0) 0%, var(--black) 100%);
}

.page-title {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.breadcrumbs {
    font-family: var(--font-secondary);
}

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

.breadcrumbs i {
    font-size: 0.8em;
    margin: 0 0.5rem;
    color: var(--border-color);
}

/* Main content for legal/contact pages */
.main-content {
    padding-bottom: 6rem;
}

.page-content {
    max-width: 800px;
    margin: 0 auto;
    background: var(--dark-grey);
    border: 1px solid var(--border-color);
    padding: 3rem;
    border-radius: 8px;
}

/* Legal pages content styling */
.legal-content h2 {
    font-size: 1.8rem;
    color: var(--blue);
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.legal-content p {
    margin-bottom: 1rem;
}

/* Contact Page */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 3rem;
    background: var(--dark-grey);
    border: 1px solid var(--border-color);
    padding: 3rem;
    border-radius: 8px;
}

.contact-info-panel h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.contact-details-list {
    margin-top: 2rem;
}

.contact-details-list li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.contact-details-list i {
    font-size: 1.2rem;
    color: var(--cyan);
    width: 40px;
    height: 40px;
    background-color: var(--medium-grey);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: inline-flex;
    justify-content: center;
    align-items: center;
}

.contact-details-list h4 {
    color: var(--text-light);
    margin-bottom: 0.25rem;
}

.contact-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-family: var(--font-secondary);
    font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.8rem 1rem;
    background-color: var(--medium-grey);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    color: var(--text-light);
    font-family: var(--font-primary);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--cyan);
    box-shadow: 0 0 10px var(--cyan);
}

textarea {
    resize: vertical;
}

/* Popup */
.popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10001;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

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

.popup-content {
    background: var(--dark-grey);
    padding: 3rem;
    border-radius: 8px;
    border: 1px solid var(--cyan);
    box-shadow: 0 0 30px var(--cyan);
    text-align: center;
    max-width: 500px;
    transform: scale(0.9);
    transition: transform 0.3s;
}

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

.popup-icon {
    font-size: 4rem;
    color: var(--cyan);
    margin-bottom: 1rem;
}

.popup-content h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.popup-content p {
    margin-bottom: 2rem;
}

/* ------------------- */
/* SCROLL & ANIMATIONS */
/* ------------------- */
.anim-fade-in-up,
.anim-fade-in-left,
.anim-fade-in-right {
    opacity: 0;
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.anim-fade-in-up {
    transform: translateY(50px);
}

.anim-fade-in-left {
    transform: translateX(-50px);
}

.anim-fade-in-right {
    transform: translateX(50px);
}

.is-visible {
    opacity: 1;
    transform: translate(0, 0);
}


/* ------------------- */
/* RESPONSIVE DESIGN   */
/* ------------------- */
@media (max-width: 992px) {
    .hero-title {
        font-size: 4rem;
    }

    .hero-subtitle {
        font-size: 2.8rem;
    }

    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    }

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

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

    .about-stats {
        justify-content: center;
    }

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

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

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

    .hero-visual {
        display: none;
    }

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

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

    .testimonial-slider {
        grid-template-columns: 1fr 1fr;
    }

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

@media (max-width: 768px) {
    html {
        font-size: 15px;
    }

    .section {
        padding: 4rem 0;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100%;
        background: var(--dark-grey);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: right 0.4s ease;
        z-index: 1001;
    }

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

    .nav-list {
        flex-direction: column;
        gap: 2.5rem;
    }

    .nav-link {
        font-size: 1.2rem;
    }

    .nav-close {
        display: block;
        position: absolute;
        top: 1.5rem;
        right: 1.5rem;
        font-size: 1.8rem;
        color: var(--text-light);
        background: none;
        border: none;
        cursor: pointer;
    }

    .menu-toggle {
        display: block;
    }

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

    .process-timeline::before {
        left: 25px;
    }

    .timeline-item {
        width: 100%;
        padding-left: 5rem;
        padding-right: 0;
        text-align: left !important;
    }

    .timeline-item:nth-child(even) {
        left: 0;
    }

    .timeline-icon {
        left: 25px !important;
        transform: translateY(-50%) translateX(-50%) !important;
    }

    .testimonial-slider {
        grid-template-columns: 1fr;
    }

    .calculator-form {
        flex-direction: column;
        align-items: stretch;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 3rem;
    }

    .hero-subtitle {
        font-size: 2rem;
    }

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

    .footer-about,
    .footer-contact,
    .footer-links {
        grid-column: auto;
    }

    .page-content {
        padding: 2rem;
    }

    .contact-wrapper {
        padding: 2rem;
    }

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

/* Chat Widget */
.chat-widget {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background: var(--blue);
    color: var(--black);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.8rem;
    cursor: pointer;
    z-index: 999;
    box-shadow: 0 0 20px var(--blue);
    transition: all var(--transition-fast);
}

.chat-widget:hover {
    transform: scale(1.1);
    background: var(--cyan);
}