:root {
    /* Dark Theme Palette */
    --bg-dark: #0a0b14;
    --bg-card: #131524;
    --bg-card-hover: #1c1f33;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-purple: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-text: linear-gradient(90deg, #4facfe, #00f2fe, #764ba2);
    
    /* Colors */
    --primary-color: #4facfe;
    --secondary-color: #764ba2;
    --text-color: #ffffff;
    --text-muted: #a0a0b0;
    --border-color: rgba(255, 255, 255, 0.1);
    
    /* Effects */
    --glass-bg: rgba(19, 21, 36, 0.7);
    --glass-border: 1px solid rgba(255, 255, 255, 0.05);
    --shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
    --glow: 0 0 20px rgba(79, 172, 254, 0.3);
    
    --container-width: 1200px;
    --font-main: 'Outfit', sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-dark);
    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%;
    height: auto;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

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

.section {
    padding: 100px 0;
    position: relative;
}

.bg-darker {
    background-color: #05060a;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.section-header p {
    color: var(--text-muted);
    font-size: 1.2rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 35px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    border: none;
    box-shadow: var(--glow);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-purple);
    z-index: -1;
    transition: opacity 0.3s ease;
    opacity: 0;
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 30px rgba(118, 75, 162, 0.5);
}

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

.btn-secondary:hover {
    border-color: var(--primary-color);
    background: rgba(255,255,255,0.05);
    transform: translateY(-3px);
}

.btn-block {
    display: block;
    width: 100%;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(10, 11, 20, 0.8);
    backdrop-filter: blur(20px);
    z-index: 1000;
    border-bottom: var(--glass-border);
    padding: 20px 0;
}

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

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: -1px;
}

.logo .dot {
    color: var(--primary-color);
}

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

.nav-links a {
    font-weight: 500;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.nav-links a:hover, .nav-links a.active {
    color: #fff;
}

.btn-nav {
    background: rgba(255,255,255,0.1);
    padding: 10px 25px;
    border-radius: 50px;
    color: #fff !important;
    border: 1px solid rgba(255,255,255,0.1);
}

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

.hamburger {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #fff;
}

/* Hero Section */
.hero {
    padding: 180px 0 100px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(79,172,254,0.15) 0%, rgba(0,0,0,0) 70%);
    border-radius: 50%;
    z-index: -1;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -10%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(118,75,162,0.15) 0%, rgba(0,0,0,0) 70%);
    border-radius: 50%;
    z-index: -1;
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 50px;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 25px;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 500px;
}

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

.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.glowing-orb {
    position: absolute;
    width: 300px;
    height: 300px;
    background: var(--gradient-primary);
    filter: blur(80px);
    opacity: 0.4;
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0px); }
}

/* Phone Mockup */
.phone-mockup {
    width: 300px;
    height: 600px;
    background: #000;
    border-radius: 40px;
    padding: 12px;
    border: 2px solid rgba(255,255,255,0.1);
    box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5);
    position: relative;
    z-index: 2;
    transform: rotate(-5deg);
    transition: transform 0.5s ease;
}

.phone-mockup:hover {
    transform: rotate(0deg) scale(1.02);
}

.phone-screen {
    background: #fff;
    width: 100%;
    height: 100%;
    border-radius: 30px;
    overflow: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 20px;
    background: linear-gradient(to bottom, #f0f2f5, #dbe0e6);
}

.chat-bubble {
    padding: 12px 16px;
    border-radius: 18px;
    margin-bottom: 12px;
    font-size: 0.9rem;
    max-width: 85%;
    animation: popIn 0.5s ease forwards;
    opacity: 0;
    transform: scale(0.8);
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.chat-bubble.bot {
    background: #fff;
    color: #333;
    align-self: flex-start;
    border-bottom-left-radius: 4px;
}

.chat-bubble.user {
    background: var(--gradient-primary);
    color: #fff;
    align-self: flex-end;
    border-bottom-right-radius: 4px;
    animation-delay: 1s;
}

.chat-bubble:nth-child(2) { animation-delay: 0.5s; }
.chat-bubble:nth-child(3) { animation-delay: 1.5s; }

@keyframes popIn {
    to { opacity: 1; transform: scale(1); }
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--bg-card);
    border: var(--glass-border);
    padding: 40px;
    border-radius: 24px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    display: block;
}

.service-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-10px);
    border-color: rgba(79, 172, 254, 0.3);
    box-shadow: 0 20px 40px -10px rgba(0,0,0,0.3);
}

.service-icon {
    width: 60px;
    height: 60px;
    background: rgba(255,255,255,0.05);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 25px;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: var(--gradient-primary);
    color: #fff;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.service-card p {
    color: var(--text-muted);
    margin-bottom: 25px;
}

.learn-more {
    color: var(--primary-color);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.learn-more i {
    transition: transform 0.3s ease;
}

.service-card:hover .learn-more i {
    transform: translateX(5px);
}

/* Comparison Table */
.comparison-table-wrapper {
    overflow-x: auto;
    background: var(--bg-card);
    border-radius: 24px;
    border: var(--glass-border);
    padding: 10px;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
}

.comparison-table th,
.comparison-table td {
    padding: 20px;
    text-align: left;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.comparison-table th {
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 1px;
}

.comparison-table .highlight-col {
    background: rgba(79, 172, 254, 0.05);
    color: #fff;
}

.comparison-table th.highlight-col {
    color: var(--primary-color);
}

.comparison-table tr:last-child td {
    border-bottom: none;
}

.vs {
    color: var(--text-muted);
    font-style: italic;
    margin: 0 10px;
}

/* Pricing */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.pricing-card {
    background: var(--bg-card);
    border: var(--glass-border);
    border-radius: 24px;
    padding: 40px;
    text-align: center;
    transition: var(--transition);
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
}

.pricing-card.featured {
    background: linear-gradient(180deg, rgba(79,172,254,0.1) 0%, var(--bg-card) 100%);
    border: 1px solid var(--primary-color);
}

.badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(255,255,255,0.1);
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.pricing-card h4 {
    font-size: 1.4rem;
    margin-bottom: 20px;
}

.price {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 5px;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.old-price {
    font-size: 1.2rem;
    color: var(--text-muted);
    text-decoration: line-through;
    margin-right: 10px;
    -webkit-text-fill-color: var(--text-muted);
}

.price-note {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 30px;
}

.pricing-features {
    text-align: left;
    margin-bottom: 30px;
}

.pricing-features li {
    margin-bottom: 15px;
    color: var(--text-muted);
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.pricing-features li i {
    color: var(--primary-color);
    margin-top: 4px;
}

.pricing-features li strong {
    color: #fff;
    display: block;
    margin-bottom: 2px;
}

/* Features List (Voice Hotline) */
.features-list-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

.features-list-large {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-bottom: 50px;
}

.features-list-large li {
    background: var(--bg-card);
    border: var(--glass-border);
    padding: 25px;
    border-radius: 16px;
    display: flex;
    align-items: flex-start;
    gap: 20px;
    transition: var(--transition);
}

.features-list-large li:hover {
    background: var(--bg-card-hover);
    transform: translateX(10px);
}

.features-list-large .icon {
    font-size: 1.5rem;
    color: var(--primary-color);
    background: rgba(79, 172, 254, 0.1);
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.features-list-large h3 {
    font-size: 1.2rem;
    margin-bottom: 5px;
    color: #fff;
}

.features-list-large p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin: 0;
}

/* Contact Page */
.contact-page-section {
    padding-top: 150px;
}

.contact-wrapper {
    display: flex;
    gap: 60px;
    align-items: flex-start;
}

.contact-info {
    flex: 1;
}

.contact-info h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
}

.contact-info p {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 40px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 25px;
    font-size: 1.2rem;
}

.info-item i {
    width: 50px;
    height: 50px;
    background: rgba(255,255,255,0.05);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
}

.social-links {
    display: flex;
    gap: 20px;
    margin-top: 40px;
}

.social-links a {
    width: 45px;
    height: 45px;
    background: rgba(255,255,255,0.05);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.2rem;
}

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

.contact-form-box {
    flex: 1;
    background: var(--bg-card);
    padding: 40px;
    border-radius: 24px;
    border: var(--glass-border);
}

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

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

.form-group input,
.form-group textarea {
    width: 100%;
    background: rgba(0,0,0,0.2);
    border: 1px solid rgba(255,255,255,0.1);
    padding: 15px;
    border-radius: 12px;
    color: #fff;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(0,0,0,0.4);
}

/* References */
.references-wrapper {
    display: flex;
    justify-content: center;
    gap: 50px;
    opacity: 0.5;
}

.client-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: 2px;
}

/* Footer */
footer {
    border-top: var(--glass-border);
    padding: 80px 0 30px;
    margin-top: 50px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.footer-col h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.footer-col h4 {
    font-size: 1.1rem;
    margin-bottom: 25px;
    color: #fff;
}

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

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

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

.footer-bottom {
    text-align: center;
    color: rgba(255,255,255,0.3);
    font-size: 0.9rem;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.05);
}

/* Responsive */
@media (max-width: 768px) {
    .hero {
        padding-top: 120px;
        text-align: center;
    }
    
    .hero .container {
        flex-direction: column;
    }
    
    .hero h1 {
        font-size: 2.8rem;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--bg-card);
        flex-direction: column;
        padding: 30px;
        border-bottom: var(--glass-border);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .hamburger {
        display: block;
    }
    
    .contact-wrapper {
        flex-direction: column;
    }
    
    .phone-mockup {
        transform: rotate(0deg);
        margin-top: 40px;
    }
}