:root {
    --primary-bg: #0a0e1a;
    --secondary-bg: #111827;
    --accent-blue: #00d4ff;
    --accent-glow: rgba(0, 212, 255, 0.4);
    --text-main: #ffffff;
    --text-dim: #9ca3af;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --transition-speed: 0.3s;
}

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

body {
    background-color: var(--primary-bg);
    color: var(--text-main);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

/* Glassmorphism utility */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header & Nav */
header {
    height: 100px;
    display: flex;
    align-items: center;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: all var(--transition-speed);
}

header.scrolled {
    background: rgba(10, 14, 26, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    height: 80px;
}

nav {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    position: relative;
    padding: 0 20px;
}

.logo {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
}

.logo img {
    height: 90px;
    display: block;
    transition: height var(--transition-speed);
}

header.scrolled .logo img {
    height: 60px;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
    margin: 0 auto;
}

.nav-links a {
    color: var(--text-main);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition-speed);
    text-transform: uppercase;
    font-size: 0.95rem;
    letter-spacing: 1.5px;
}

.nav-links a:hover {
    color: var(--accent-blue);
    text-shadow: 0 0 10px var(--accent-glow);
}

.lang-switch {
    display: flex;
    gap: 1rem;
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
}

.lang-btn {
    background: none;
    border: 1px solid var(--accent-blue);
    color: var(--accent-blue);
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all var(--transition-speed);
    font-weight: 700;
}

.lang-btn.active,
.lang-btn:hover {
    background: var(--accent-blue);
    color: var(--primary-bg);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 100px;
    background: url('../img/hero_background.png') no-repeat center center/cover;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(10, 14, 26, 0.4), var(--primary-bg));
    z-index: 1;
}

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

.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(45deg, #fff, var(--accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-dim);
    margin-bottom: 2rem;
}

.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--accent-blue);
    color: var(--primary-bg);
    text-decoration: none;
    font-weight: 700;
    border-radius: 50px;
    box-shadow: 0 0 20px var(--accent-glow);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 30px var(--accent-blue);
}

/* Sections */
section {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-title p {
    color: var(--text-dim);
    max-width: 600px;
    margin: 0 auto;
}

/* AI Agents Section */
.agents-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.agents-img img {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 0 40px rgba(0, 212, 255, 0.2);
}

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

.vertical-card {
    padding: 2.5rem;
    text-align: center;
    transition: transform var(--transition-speed), border-color var(--transition-speed);
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 250px;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.vertical-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0.15;
    z-index: -1;
    transition: opacity var(--transition-speed), transform var(--transition-speed);
}

.vertical-card:hover::before {
    opacity: 0.4;
    transform: scale(1.1);
}

.card-sports::before {
    background-image: url('../img/vertical_sports.png');
}

.card-security::before {
    background-image: url('../img/vertical_security.png');
}

.card-retail::before {
    background-image: url('../img/vertical_retail.png');
}

.card-health::before {
    background-image: url('../img/vertical_healthcare.png');
}

.card-factory::before {
    background-image: url('../img/vertical_factory.png');
}

.card-more::before {
    background: linear-gradient(45deg, var(--secondary-bg), var(--primary-bg));
    opacity: 0.5;
}

.vertical-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-blue);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.2);
}

.vertical-card i {
    font-size: 3rem;
    color: var(--accent-blue);
    margin-bottom: 1.5rem;
    display: block;
    text-shadow: 0 0 10px var(--accent-glow);
}

.vertical-card h3 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
    font-weight: 800;
}

/* Chatbot */
.chat-widget {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 2000;
}

.chat-toggle {
    width: 60px;
    height: 60px;
    background: var(--accent-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 0 20px var(--accent-glow);
    transition: transform var(--transition-speed);
}

.chat-toggle:hover {
    transform: scale(1.1);
}

.chat-toggle i {
    color: var(--primary-bg);
    font-size: 1.5rem;
}

.chat-box {
    position: absolute;
    bottom: 80px;
    right: 0;
    width: 350px;
    height: 450px;
    display: none;
    flex-direction: column;
}

.chat-box.active {
    display: flex;
}

.chat-header {
    padding: 1rem;
    background: var(--accent-blue);
    color: var(--primary-bg);
    border-radius: 12px 12px 0 0;
    display: flex;
    justify-content: space-between;
}

.chat-messages {
    flex: 1;
    padding: 1rem;
    overflow-y: auto;
    font-size: 0.9rem;
}

.chat-input {
    padding: 1rem;
    border-top: 1px solid var(--glass-border);
    display: flex;
    gap: 0.5rem;
}

.chat-input input {
    flex: 1;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    padding: 8px 12px;
    border-radius: 20px;
    color: white;
}

.chat-input button {
    background: var(--accent-blue);
    border: none;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    cursor: pointer;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

.fade-in {
    animation: fadeInUp 0.8s ease forwards;
}

/* Technology Section */
.tech-section {
    background: url('../img/tech_bg.png') no-repeat center center/cover;
    position: relative;
    padding: 120px 0;
}

.tech-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 14, 26, 0.75);
    z-index: 1;
}

.tech-content {
    position: relative;
    z-index: 2;
    padding: 4rem;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.tech-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--accent-blue);
    margin-bottom: 1rem;
    text-shadow: 0 0 15px var(--accent-glow);
}

.feature-item p {
    font-size: 1rem;
    color: var(--text-main);
}

/* Coming Soon Enhancement */
.card-icon-container {
    width: 80px;
    height: 80px;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.coming-soon-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 0 10px var(--accent-glow));
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .agents-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .nav-links {
        display: none;
    }

    .tech-content {
        padding: 2rem;
    }
}