:root {
    --bg-color: #020202;
    --card-bg: #0a0a0a;
    --text-color: #ffffff;
    --text-muted: #dddddd;
    --accent-color: #00f0ff;
    --accent-glow: rgba(0, 240, 255, 0.3);
    --border-color: #222;
    --font-main: 'Outfit', sans-serif;
    --transition: all 0.3s ease;
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

/* Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

.mt-4 {
    margin-top: 2rem;
}

.mb-5 {
    margin-bottom: 3rem;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.95rem;
    border: none;
    outline: none;
}

.btn-outline {
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-color);
    background: transparent;
    backdrop-filter: blur(5px);
}

.btn-outline:hover {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: #000;
    box-shadow: 0 0 20px var(--accent-glow);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    background: rgba(2, 2, 2, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: 1px;
}

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

.nav-link {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.8);
    position: relative;
}

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

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

/* Hero Section (Home) */
.hero-home {
    height: 100vh;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 1;
    z-index: 0;
    filter: brightness(0.4);
}

.hero-content-home {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero-logo-large {
    margin-bottom: 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero-logo-large svg {
    filter: drop-shadow(0 0 20px var(--accent-glow));
}

.main-title {
    font-size: 4rem;
    font-weight: 700;
    margin-top: 15px;
    letter-spacing: 5px;
    text-transform: uppercase;
    background: linear-gradient(180deg, #fff, #aaa);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 30px rgba(255, 255, 255, 0.2);
}

.hero-desc {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 600px;
    line-height: 1.6;
}

/* Intro Section */
.intro-section {
    padding: 100px 0;
    background: var(--bg-color);
    position: relative;
}

.intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.section-title-left {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 25px;
    background: linear-gradient(90deg, var(--accent-color), #fff);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.intro-desc {
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 30px;
}

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

.robot-3d {
    width: 300px;
    position: relative;
    z-index: 2;
    animation: float 6s ease-in-out infinite;
}

.floating-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px;
    border-radius: 15px;
    width: 220px;
    z-index: 3;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.card-1 {
    top: 50px;
    right: 20px;
    border-left: 3px solid var(--accent-color);
}

.card-2 {
    bottom: 80px;
    left: 0;
    border-left: 3px solid var(--accent-color);
}

.floating-card h3 {
    font-size: 1rem;
    margin-bottom: 8px;
    color: #fff;
}

.floating-card p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Why Choose Us */
.why-choose-section {
    padding: 100px 0;
    background: #000000;
}

.choose-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.section-header-row {
    display: flex;
    align-items: center;
    margin-bottom: 40px;
    border-left: 4px solid var(--accent-color);
    padding-left: 20px;
}

.section-title {
    font-size: 2.2rem;
    color: var(--text-color);
}

.choose-list li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 15px;
    color: var(--text-muted);
    font-size: 1rem;
}

.choose-list li::before {
    content: '•';
    color: var(--accent-color);
    font-size: 1.5rem;
    position: absolute;
    left: 0;
    top: -5px;
}

.choose-visual {
    display: flex;
    justify-content: center;
}

.robot-laptop {
    width: 350px;
    /*filter: drop-shadow(0 0 30px rgba(0, 240, 255, 0.1));*/
}

/* Process Section */
.process-home-section {
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.process-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../assets/images/chess-bg.png') no-repeat center center/cover;
    opacity: 0.15;
    z-index: 0;
}

.timeline-container {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: space-between;
    margin-top: 60px;
    padding: 0 20px;
}

.timeline-line {
    position: absolute;
    top: 40px;
    left: 50px;
    right: 50px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
    z-index: 0;
}

.timeline-step {
    position: relative;
    z-index: 1;
    text-align: center;
    width: 18%;
}

.step-icon {
    width: 80px;
    height: 80px;
    background: rgba(10, 10, 10, 0.8);
    border: 1px solid var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.8rem;
    color: var(--accent-color);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.15);
    transition: var(--transition);
}

.timeline-step:hover .step-icon {
    background: var(--accent-color);
    color: #000;
    transform: scale(1.1);
}

.step-content h4 {
    font-size: 0.95rem;
    color: #fff;
    margin-bottom: 5px;
}

/* CTA Home Section */
.cta-home-section {
    padding: 100px 0;
    background: linear-gradient(to top, rgba(0, 240, 255, 0.05), transparent);
}

.cta-box {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--accent-color);
    border-radius: 30px;
    padding: 60px 40px;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    box-shadow: 0 0 50px rgba(0, 240, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.cta-box::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 240, 255, 0.1) 0%, transparent 70%);
    animation: rotate 10s linear infinite;
}

.cta-title {
    font-size: 2.2rem;
    margin-bottom: 20px;
    color: var(--accent-color);
    position: relative;
    z-index: 1;
}

.cta-subtitle {
    color: var(--text-color);
    font-size: 1.1rem;
    margin-bottom: 30px;
    position: relative;
    z-index: 1;
}

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

/* Footer (Same as One Services) */
.footer {
    padding: 80px 0 30px;
    background: #000;
    border-top: 1px solid #111;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr 1.2fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 20px 0;
    max-width: 300px;
}

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

.social-links a {
    width: 36px;
    height: 36px;
    background: #111;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.social-links a:hover {
    background: var(--accent-color);
    color: #000;
}

.footer-heading {
    font-size: 1.1rem;
    margin-bottom: 25px;
    color: #fff;
}

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

.footer-links a {
    color: var(--text-muted);
    font-size: 0.9rem;
}

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

.contact-info li {
    display: flex;
    gap: 12px;
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 15px;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #111;
    color: #444;
    font-size: 0.85rem;
}

/* Animations */
@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-20px);
    }
}

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

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

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

/* Responsive */
@media (max-width: 1024px) {

    .intro-grid,
    .choose-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .intro-visuals {
        height: 400px;
    }

    .section-header-row {
        justify-content: center;
        border-left: none;
        border-bottom: 4px solid var(--accent-color);
        padding-left: 0;
        padding-bottom: 10px;
        display: inline-flex;
    }

    .choose-list {
        text-align: left;
        display: inline-block;
    }

    .timeline-container {
        flex-wrap: wrap;
        justify-content: center;
        gap: 30px;
    }

    .timeline-line {
        display: none;
    }

    .timeline-step {
        width: 45%;
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background: #050505;
        padding: 20px;
        border-bottom: 1px solid var(--border-color);
        transform: translateY(-150%);
        transition: var(--transition);
        z-index: 999;
    }

    .nav.active {
        transform: translateY(0);
    }

    .nav-list {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }

    .mobile-menu-btn {
        display: block;
    }

    .header .btn {
        display: none;
    }

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

    .timeline-step {
        width: 100%;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}