:root {
    --bg: #050507;
    --bg-secondary: #0a0a12;
    --accent-purple: #8a2be2;
    --accent-cyan: #00d4ff;
    --text: #ffffff;
    --text-gray: #aaaaaa;
    --card-bg: rgba(255, 255, 255, 0.05);
    --card-border: rgba(255, 255, 255, 0.1);
}

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

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: 'Montserrat', sans-serif;
    overflow-x: hidden;
    line-height: 1.6;
}

html {
    scroll-behavior: smooth;
}

/* NAVBAR */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(5, 5, 7, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--card-border);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    padding: 0.7rem 5%;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

.brand-logo {
    height: 50px;
    width: auto;
    filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.3));
    transition: transform 0.3s ease;
}

.brand-logo:hover {
    transform: scale(1.05);
}

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

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a:not(.btn-nav):hover {
    color: var(--accent-cyan);
}

.nav-links a:not(.btn-nav)::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-cyan);
    transition: width 0.3s ease;
}

.nav-links a:not(.btn-nav):hover::after {
    width: 100%;
}

.btn-nav {
    background: var(--accent-purple);
    padding: 10px 25px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.btn-nav:hover {
    background: #9b4dff;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(138, 43, 226, 0.4);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: white;
    border-radius: 3px;
    transition: all 0.3s ease;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* HERO */
.hero {
    display: flex;
    padding: 140px 5% 80px;
    align-items: center;
    gap: 60px;
    min-height: 100vh;
}

.hero-content {
    flex: 1;
    animation: fadeInUp 1s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin: 20px 0;
    font-weight: 900;
    background: linear-gradient(135deg, #fff, var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-content > p {
    font-size: 1.2rem;
    color: var(--text-gray);
    margin: 20px 0;
    max-width: 600px;
}

.badge {
    background: rgba(138, 43, 226, 0.2);
    padding: 8px 20px;
    border-radius: 25px;
    border: 1px solid var(--accent-purple);
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
}

.hero-cta {
    display: flex;
    gap: 20px;
    margin-top: 30px;
    flex-wrap: wrap;
}

.btn-main {
    background: var(--accent-purple);
    color: white;
    text-decoration: none;
    padding: 15px 35px;
    border-radius: 10px;
    font-weight: 700;
    display: inline-block;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-main:hover {
    background: #9b4dff;
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(138, 43, 226, 0.5);
}

.btn-secondary {
    background: transparent;
    color: white;
    text-decoration: none;
    padding: 15px 35px;
    border-radius: 10px;
    font-weight: 700;
    display: inline-block;
    transition: all 0.3s ease;
    border: 2px solid var(--accent-cyan);
}

.btn-secondary:hover {
    background: var(--accent-cyan);
    color: var(--bg);
    transform: translateY(-3px);
}

.trust-badges {
    display: flex;
    gap: 25px;
    margin-top: 30px;
    flex-wrap: wrap;
}

.trust-badges span {
    color: var(--text-gray);
    font-size: 0.9rem;
}

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

.tv-container {
    position: relative;
    animation: float 6s ease-in-out infinite;
}

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

.screen-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120%;
    height: 120%;
    background: radial-gradient(circle, rgba(138, 43, 226, 0.3), transparent 70%);
    filter: blur(40px);
    z-index: -1;
}

.tv-img {
    max-width: 100%;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.tv-reflection {
    position: absolute;
    bottom: -50px;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(to bottom, rgba(138, 43, 226, 0.1), transparent);
    filter: blur(20px);
}

/* UNIVERSO EXPANDIDO SECTION */
.universo-section {
    padding: 100px 5%;
    background: linear-gradient(135deg, var(--bg) 0%, var(--bg-secondary) 100%);
    position: relative;
    overflow: hidden;
}

.universo-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(138, 43, 226, 0.1), transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(0, 212, 255, 0.1), transparent 50%);
    pointer-events: none;
}

.universo-container {
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.universo-video {
    margin: 60px 0;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.universo-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.highlight-item {
    background: var(--card-bg);
    padding: 35px;
    border-radius: 20px;
    border: 1px solid var(--card-border);
    text-align: center;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.highlight-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(138, 43, 226, 0.1), transparent);
    transition: left 0.6s ease;
}

.highlight-item:hover::before {
    left: 100%;
}

.highlight-item:hover {
    transform: translateY(-10px);
    border-color: var(--accent-purple);
    box-shadow: 0 20px 50px rgba(138, 43, 226, 0.2);
}

.highlight-icon {
    font-size: 3.5rem;
    display: block;
    margin-bottom: 20px;
    filter: drop-shadow(0 0 20px rgba(138, 43, 226, 0.3));
}

.highlight-item h4 {
    font-size: 1.4rem;
    margin-bottom: 12px;
    color: var(--accent-cyan);
    font-weight: 700;
}

.highlight-item p {
    color: var(--text-gray);
    line-height: 1.6;
}

/* DEMO SECTION */
.demo-section {
    padding: 100px 5%;
    background: var(--bg-secondary);
    text-align: center;
}

.demo-container {
    max-width: 1400px;
    margin: 0 auto;
}

.demo-container h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.demo-container > p {
    color: var(--text-gray);
    margin-bottom: 60px;
    font-size: 1.1rem;
}

.demo-mockup {
    display: grid;
    gap: 40px;
}

/* VIDEO WRAPPER */
.video-wrapper {
    position: relative;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.demo-video {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s ease;
}

.video-wrapper:hover .demo-video {
    transform: scale(1.02);
}

.mockup-image {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    transition: transform 0.3s ease;
}

.mockup-image:hover {
    transform: scale(1.02);
}

.demo-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.demo-feature-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    text-align: left;
    padding: 25px;
    background: var(--card-bg);
    border-radius: 15px;
    border: 1px solid var(--card-border);
    transition: all 0.3s ease;
}

.demo-feature-item:hover {
    border-color: var(--accent-cyan);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.2);
}

.feature-icon {
    font-size: 2rem;
    min-width: 50px;
}

.demo-feature-item strong {
    display: block;
    color: var(--accent-cyan);
    margin-bottom: 8px;
    font-size: 1.1rem;
}

.demo-feature-item p {
    color: var(--text-gray);
    line-height: 1.5;
}

/* FEATURES */
.features-container {
    padding: 100px 5%;
    text-align: center;
}

.section-header {
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.8rem;
    margin-bottom: 15px;
    font-weight: 700;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-gray);
}

.universe-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.universe-item {
    background: var(--card-bg);
    padding: 40px 30px;
    border-radius: 20px;
    border: 1px solid var(--card-border);
    transition: all 0.4s ease;
    cursor: pointer;
}

.universe-item:hover {
    transform: translateY(-10px);
    border-color: var(--accent-purple);
    box-shadow: 0 20px 50px rgba(138, 43, 226, 0.2);
}

.u-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.universe-item h4 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--accent-cyan);
    font-weight: 700;
}

.universe-item p {
    color: var(--text-gray);
    line-height: 1.6;
}

/* SMART HUB */
.smart-hub-section {
    padding: 100px 5%;
    background: var(--bg-secondary);
}

.hub-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

.hub-info {
    animation: fadeInUp 1s ease;
}

.badge-new {
    background: rgba(0, 212, 255, 0.15);
    padding: 8px 18px;
    border-radius: 25px;
    border: 1px solid var(--accent-cyan);
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--accent-cyan);
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hub-info h2 {
    font-size: 2.8rem;
    margin-bottom: 20px;
}

.hub-info > p {
    color: var(--text-gray);
    font-size: 1.1rem;
    margin-bottom: 40px;
    line-height: 1.7;
}

.h-feature {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    padding: 20px;
    background: var(--card-bg);
    border-radius: 15px;
    border: 1px solid var(--card-border);
    transition: all 0.3s ease;
}

.h-feature:hover {
    border-color: var(--accent-cyan);
    transform: translateX(10px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.15);
}

.f-icon {
    font-size: 2.5rem;
    min-width: 60px;
}

.f-text strong {
    display: block;
    color: var(--accent-cyan);
    margin-bottom: 8px;
    font-size: 1.1rem;
}

.f-text p {
    color: var(--text-gray);
    line-height: 1.6;
}

/* HUB VISUALIZER */
.hub-visualizer {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.connection-lines {
    filter: drop-shadow(0 0 8px rgba(0, 212, 255, 0.4));
}

.connection-lines line {
    animation: linePulse 2s ease-in-out infinite;
}

@keyframes linePulse {
    0%, 100% {
        opacity: 0.5;
    }
    50% {
        opacity: 0.8;
    }
}

.central-box-wrapper {
    position: relative;
    width: 550px;
    height: 550px;
    perspective: 1500px;
    transform-style: preserve-3d;
}

/* Resplandor en el "piso" debajo del box */
.central-box-wrapper::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotateX(70deg);
    width: 380px;
    height: 380px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.3), rgba(138, 43, 226, 0.25) 40%, transparent 70%);
    box-shadow: 0 0 100px rgba(138, 43, 226, 0.5);
    border-radius: 50%;
    z-index: 1;
    animation: floorPulse 4s ease-in-out infinite;
}

@keyframes floorPulse {
    0%, 100% { 
        opacity: 0.6; 
        transform: translate(-50%, -50%) rotateX(70deg) scale(1);
    }
    50% { 
        opacity: 1; 
        transform: translate(-50%, -50%) rotateX(70deg) scale(1.08);
    }
}

/* Box en 3D con perspectiva */
.central-box {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 300px;
    height: 210px;
    transform: translate(-50%, -50%) perspective(1200px) rotateX(18deg) rotateZ(-6deg);
    transform-style: preserve-3d;
    z-index: 10;
    animation: float3DBox 6s ease-in-out infinite;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

@keyframes float3DBox {
    0%, 100% { 
        transform: translate(-50%, -50%) perspective(1200px) rotateX(18deg) rotateZ(-6deg) translateY(0px);
    }
    50% { 
        transform: translate(-50%, -50%) perspective(1200px) rotateX(18deg) rotateZ(-6deg) translateY(-25px);
    }
}

/* Cuerpo principal del dispositivo negro */
.central-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(150deg, #1c1c22 0%, #0d0d10 45%, #050508 100%);
    border-radius: 42px;
    border: 1px solid rgba(50, 50, 60, 0.4);
    box-shadow:
        /* Sombra profunda del objeto */
        16px 16px 50px rgba(0, 0, 0, 0.85),
        /* Sombras internas */
        inset 0 -3px 10px rgba(0, 0, 0, 0.7),
        inset 0 2px 5px rgba(255, 255, 255, 0.02);
    z-index: 1;
}

/* Brillo sutil en la superficie del dispositivo */
.central-box::after {
    content: '';
    position: absolute;
    top: 10%;
    left: 10%;
    right: 10%;
    height: 32%;
    background: linear-gradient(180deg, 
        rgba(255, 255, 255, 0.04) 0%,
        rgba(255, 255, 255, 0.015) 60%,
        transparent 100%);
    border-radius: 38px 38px 65% 65%;
    z-index: 2;
    pointer-events: none;
}

.box-logo {
    font-size: 1.6rem;
    font-weight: 900;
    color: var(--accent-cyan);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 5px;
    text-shadow: 
        0 0 12px rgba(0, 212, 255, 1),
        0 0 25px rgba(0, 212, 255, 0.9),
        0 0 38px rgba(0, 212, 255, 0.7),
        0 0 50px rgba(0, 212, 255, 0.5);
    animation: textGlow 2s ease-in-out infinite alternate;
    z-index: 5;
    position: relative;
}

@keyframes textGlow {
    0% {
        text-shadow: 
            0 0 12px rgba(0, 212, 255, 1),
            0 0 25px rgba(0, 212, 255, 0.9),
            0 0 38px rgba(0, 212, 255, 0.7),
            0 0 50px rgba(0, 212, 255, 0.5);
    }
    100% {
        text-shadow: 
            0 0 18px rgba(0, 212, 255, 1),
            0 0 35px rgba(0, 212, 255, 1),
            0 0 52px rgba(0, 212, 255, 0.85),
            0 0 70px rgba(0, 212, 255, 0.65);
    }
}

.box-spec {
    font-size: 1.25rem;
    color: var(--accent-cyan);
    font-weight: 700;
    letter-spacing: 3px;
    text-shadow: 
        0 0 10px rgba(0, 212, 255, 1),
        0 0 20px rgba(0, 212, 255, 0.85),
        0 0 30px rgba(0, 212, 255, 0.65);
    z-index: 5;
    position: relative;
}

/* Sombra de neón del box (efecto de "base" con colores) */
.orbit-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 300px;
    height: 210px;
    transform: translate(-50%, -44%) perspective(1200px) rotateX(18deg) rotateZ(-6deg);
    z-index: 5;
    pointer-events: none;
}

.orbit-ring::before {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 5px;
    width: 100%;
    height: 100%;
    border-radius: 42px;
    background: transparent;
    box-shadow:
        20px 20px 0px rgba(138, 43, 226, 0.65),
        0 0 70px rgba(0, 212, 255, 0.45);
    opacity: 0.92;
    filter: blur(4px);
}

.connection-node {
    position: absolute;
    width: 80px;
    height: 80px;
    background: linear-gradient(145deg, #1a1a1f, #0d0d10);
    border: 3px solid var(--accent-cyan);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 
        0 0 25px rgba(0, 212, 255, 0.6),
        0 8px 20px rgba(0, 0, 0, 0.5),
        inset 0 2px 0 rgba(255, 255, 255, 0.1);
    animation: nodePulse 3s ease-in-out infinite;
    z-index: 10;
}

@keyframes nodePulse {
    0%, 100% {
        box-shadow: 
            0 0 25px rgba(0, 212, 255, 0.6),
            0 8px 20px rgba(0, 0, 0, 0.5),
            inset 0 2px 0 rgba(255, 255, 255, 0.1);
    }
    50% {
        box-shadow: 
            0 0 40px rgba(0, 212, 255, 1),
            0 10px 25px rgba(0, 0, 0, 0.6),
            inset 0 2px 0 rgba(255, 255, 255, 0.2);
    }
}

.connection-node:hover {
    transform: scale(1.15);
    box-shadow: 
        0 0 50px rgba(0, 212, 255, 1),
        0 12px 35px rgba(0, 0, 0, 0.7),
        inset 0 3px 0 rgba(255, 255, 255, 0.3);
    border-color: var(--accent-purple);
}

.node-1 { 
    top: 35px; 
    left: 50%; 
    transform: translateX(-50%);
    animation-delay: 0s;
}
.node-2 { 
    top: 50%; 
    right: 35px; 
    transform: translateY(-50%);
    animation-delay: 0.75s;
}
.node-3 { 
    bottom: 35px; 
    left: 50%; 
    transform: translateX(-50%);
    animation-delay: 1.5s;
}
.node-4 { 
    top: 50%; 
    left: 35px; 
    transform: translateY(-50%);
    animation-delay: 2.25s;
}

/* PRICING */
.pricing-section {
    padding: 100px 5%;
    background: var(--bg);
}

.pricing-grid {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    max-width: 1400px;
    margin: 0 auto 40px;
}

.price-card {
    background: var(--card-bg);
    padding: 40px 30px;
    border-radius: 20px;
    border: 2px solid var(--card-border);
    width: 100%;
    max-width: 380px;
    transition: all 0.4s ease;
    position: relative;
}

.price-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-purple);
    box-shadow: 0 20px 60px rgba(138, 43, 226, 0.3);
}

.price-card.featured {
    transform: scale(1.05);
    border-color: var(--accent-cyan);
    background: linear-gradient(145deg, rgba(138, 43, 226, 0.1), rgba(0, 212, 255, 0.05));
}

.price-card.featured:hover {
    transform: scale(1.08) translateY(-10px);
}

.popular-badge {
    position: absolute;
    top: -15px;
    right: 20px;
    background: var(--accent-purple);
    padding: 8px 20px;
    border-radius: 25px;
    font-size: 0.85rem;
    font-weight: 700;
    box-shadow: 0 5px 20px rgba(138, 43, 226, 0.4);
}

.plan-header h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: var(--accent-cyan);
}

.price {
    font-size: 3rem;
    font-weight: 900;
    color: white;
    margin-bottom: 30px;
}

.price span {
    font-size: 1.2rem;
    color: var(--text-gray);
    font-weight: 400;
}

.plan-features {
    list-style: none;
    margin-bottom: 30px;
    text-align: left;
}

.plan-features li {
    padding: 12px 0;
    color: var(--text-gray);
    font-size: 0.95rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.plan-features li:last-child {
    border-bottom: none;
}

.btn-plan {
    width: 100%;
    padding: 15px;
    background: transparent;
    border: 2px solid var(--accent-purple);
    color: white;
    border-radius: 10px;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-plan:hover {
    background: var(--accent-purple);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(138, 43, 226, 0.5);
}

.featured-btn {
    background: var(--accent-purple);
    border-color: var(--accent-purple);
}

.featured-btn:hover {
    background: #9b4dff;
}

.pricing-note {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    padding: 30px;
    background: rgba(0, 212, 255, 0.05);
    border-radius: 15px;
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.pricing-note p {
    color: var(--text-gray);
    font-size: 1rem;
}

/* AI SECTION */
.ai-section {
    padding: 100px 5%;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg) 100%);
    position: relative;
    overflow: hidden;
}

.ai-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 20%, rgba(138, 43, 226, 0.15), transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(0, 212, 255, 0.1), transparent 40%);
    pointer-events: none;
}

.ai-container {
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.badge-ai {
    background: linear-gradient(135deg, rgba(138, 43, 226, 0.3), rgba(0, 212, 255, 0.3));
    padding: 10px 25px;
    border-radius: 25px;
    border: 2px solid var(--accent-purple);
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.ai-intro {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: center;
    margin: 60px 0;
    padding: 50px;
    background: var(--card-bg);
    border-radius: 25px;
    border: 1px solid var(--card-border);
}

.ai-intro-content h3 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--accent-cyan);
}

.ai-intro-content p {
    color: var(--text-gray);
    font-size: 1.1rem;
    line-height: 1.8;
}

.ai-intro-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.ai-brain-icon {
    font-size: 10rem;
    animation: pulse 3s ease-in-out infinite;
    filter: drop-shadow(0 0 30px rgba(138, 43, 226, 0.6));
}

.ai-solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin: 60px 0;
}

.ai-solution-card {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
    padding: 40px;
    border-radius: 20px;
    border: 1px solid var(--card-border);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.ai-solution-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(138, 43, 226, 0.1), transparent);
    transition: left 0.5s ease;
}

.ai-solution-card:hover::before {
    left: 100%;
}

.ai-solution-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-purple);
    box-shadow: 0 20px 50px rgba(138, 43, 226, 0.3);
}

.ai-card-icon {
    font-size: 3.5rem;
    margin-bottom: 20px;
    display: inline-block;
    transition: transform 0.3s ease;
}

.ai-solution-card:hover .ai-card-icon {
    transform: scale(1.2) rotate(5deg);
}

.ai-solution-card h4 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--accent-cyan);
}

.ai-solution-card > p {
    color: var(--text-gray);
    line-height: 1.7;
    margin-bottom: 25px;
}

.ai-benefits {
    list-style: none;
    padding: 0;
}

.ai-benefits li {
    color: #ddd;
    padding: 10px 0;
    padding-left: 25px;
    position: relative;
    font-size: 0.95rem;
}

.ai-benefits li::before {
    content: '⚡';
    position: absolute;
    left: 0;
    color: var(--accent-purple);
    font-size: 1.2rem;
}

.ai-cta-section {
    background: linear-gradient(135deg, rgba(138, 43, 226, 0.15), rgba(0, 212, 255, 0.15));
    border-radius: 30px;
    padding: 60px;
    margin-top: 60px;
    border: 2px solid var(--card-border);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.ai-cta-content h3 {
    font-size: 2.2rem;
    margin-bottom: 15px;
    color: var(--accent-cyan);
}

.ai-cta-content p {
    color: var(--text-gray);
    font-size: 1.1rem;
    margin-bottom: 30px;
}

.ai-cta-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.ai-stats {
    display: grid;
    grid-template-columns: 1fr;
    gap: 25px;
}

.stat-item {
    background: rgba(0, 0, 0, 0.3);
    padding: 25px;
    border-radius: 15px;
    border-left: 4px solid var(--accent-purple);
    transition: all 0.3s ease;
}

.stat-item:hover {
    transform: translateX(10px);
    border-left-color: var(--accent-cyan);
}

.stat-number {
    display: block;
    font-size: 3rem;
    font-weight: 900;
    color: var(--accent-cyan);
    margin-bottom: 10px;
}

.stat-label {
    display: block;
    color: var(--text-gray);
    font-size: 0.95rem;
}

/* SERVICES SECTION */
.services-section {
    padding: 100px 5%;
    background: var(--bg-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 35px;
    max-width: 1400px;
    margin: 0 auto;
}

.service-card {
    background: var(--card-bg);
    padding: 45px 35px;
    border-radius: 20px;
    border: 1px solid var(--card-border);
    transition: all 0.4s ease;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-purple), var(--accent-cyan));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-cyan);
    box-shadow: 0 20px 50px rgba(0, 212, 255, 0.15);
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.04));
}

.service-icon {
    font-size: 4rem;
    margin-bottom: 25px;
    display: inline-block;
    transition: transform 0.3s ease;
}

.service-card:hover .service-icon {
    transform: scale(1.2) rotate(5deg);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--accent-cyan);
    font-weight: 700;
}

.service-card > p {
    color: var(--text-gray);
    line-height: 1.6;
    margin-bottom: 25px;
}

.service-features {
    list-style: none;
    padding: 0;
    margin: 25px 0 0;
    text-align: left;
}

.service-features li {
    color: #ddd;
    padding: 10px 0;
    padding-left: 25px;
    position: relative;
    font-size: 0.95rem;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-purple);
    font-weight: bold;
    font-size: 1.2rem;
}

.services-cta {
    text-align: center;
    margin-top: 80px;
    padding: 50px;
    background: linear-gradient(135deg, rgba(138, 43, 226, 0.1), rgba(0, 212, 255, 0.1));
    border-radius: 20px;
    border: 2px solid var(--card-border);
}

.services-cta h3 {
    font-size: 2rem;
    margin-bottom: 15px;
    color: var(--accent-cyan);
}

.services-cta p {
    color: var(--text-gray);
    font-size: 1.1rem;
    margin-bottom: 30px;
}

.services-cta .btn-main {
    display: inline-block;
}

/* CONTACT SECTION */
.contact-section {
    padding: 100px 5%;
    background: var(--bg);
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    max-width: 1200px;
    margin: 0 auto;
}

.contact-info h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

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

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.contact-method {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    padding: 20px;
    background: var(--card-bg);
    border-radius: 15px;
    border: 1px solid var(--card-border);
    transition: all 0.3s ease;
}

.contact-method:hover {
    border-color: var(--accent-purple);
    transform: translateX(10px);
}

.contact-icon {
    font-size: 2rem;
}

.contact-method strong {
    display: block;
    color: var(--accent-cyan);
    margin-bottom: 5px;
}

.contact-method p {
    color: var(--text-gray);
}

.contact-form {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid var(--card-border);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 15px;
    margin-bottom: 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    color: white;
    font-family: 'Montserrat', sans-serif;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.2);
}

.contact-form select {
    cursor: pointer;
}

.contact-form textarea {
    resize: vertical;
}

/* FOOTER */
.footer {
    background: #000;
    padding: 60px 5% 30px;
    border-top: 1px solid var(--card-border);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    max-width: 1400px;
    margin: 0 auto 40px;
}

.footer-logo {
    height: 40px;
    width: auto;
    margin-bottom: 20px;
}

.footer-section p {
    color: var(--text-gray);
    margin-bottom: 20px;
    line-height: 1.6;
}

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

.social-links a {
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.social-links a:hover {
    transform: scale(1.2);
}

.footer-section h4 {
    margin-bottom: 20px;
    color: var(--accent-cyan);
}

.footer-section ul {
    list-style: none;
}

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

.footer-section ul li a {
    color: var(--text-gray);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--accent-cyan);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--card-border);
    color: var(--text-gray);
}

.footer-bottom p {
    margin: 5px 0;
}

/* RESPONSIVE DESIGN */
@media (max-width: 1200px) {
    .hub-container {
        gap: 50px;
    }
    
    .central-box-wrapper {
        width: 400px;
        height: 400px;
    }

    .ai-intro {
        grid-template-columns: 1fr;
    }

    .ai-brain-icon {
        font-size: 6rem;
    }

    .ai-cta-section {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 968px) {
    .nav-links {
        position: fixed;
        top: 70px;
        right: -100%;
        flex-direction: column;
        background: rgba(5, 5, 7, 0.98);
        padding: 40px;
        border-radius: 20px 0 0 20px;
        box-shadow: -5px 5px 30px rgba(0, 0, 0, 0.5);
        transition: right 0.3s ease;
        width: 250px;
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 120px;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    .hub-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hub-visualizer {
        margin-top: 50px;
    }
    
    .central-box-wrapper {
        transform: scale(0.8);
    }
    
    .contact-container {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }

    .ai-solutions-grid {
        grid-template-columns: 1fr;
    }

    .ai-intro {
        grid-template-columns: 1fr;
    }

    .ai-cta-section {
        grid-template-columns: 1fr;
    }

    .universo-highlights {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    h1 {
        font-size: 2rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn-main, .btn-secondary {
        width: 100%;
        text-align: center;
    }
    
    .trust-badges {
        flex-direction: column;
        gap: 10px;
    }
    
    .universe-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        flex-direction: column;
    }
    
    .price-card.featured {
        transform: scale(1);
    }
    
    .central-box-wrapper {
        transform: scale(0.6);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .service-card {
        padding: 30px 20px;
    }
    
    .services-cta {
        padding: 30px 20px;
    }
    
    .services-cta h3 {
        font-size: 1.5rem;
    }

    .ai-intro {
        padding: 30px;
    }

    .ai-intro-content h3 {
        font-size: 1.5rem;
    }

    .ai-cta-section {
        padding: 30px;
    }

    .ai-cta-content h3 {
        font-size: 1.6rem;
    }

    .ai-cta-buttons {
        flex-direction: column;
    }

    .ai-cta-buttons .btn-main,
    .ai-cta-buttons .btn-secondary {
        width: 100%;
    }
}