/* ===== CSS Variables ===== */
:root {
    --primary: #683de4;
    --primary-light: #8d6cf2;
    --accent: #19f9f9;
    --dark: #353434;
    --yellow: #f4c142;
    --pink: #eaa3e5;
    --white: #ffffff;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #6c757d;
    --gray-700: #495057;
    --gray-800: #343a40;
    --gradient-primary: linear-gradient(135deg, var(--primary), var(--primary-light));
    --gradient-accent: linear-gradient(135deg, var(--accent), var(--primary));
    --gradient-warm: linear-gradient(135deg, var(--yellow), var(--pink));
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.15);
    --shadow-primary: 0 10px 40px rgba(104, 61, 228, 0.3);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--dark);
    background: var(--white);
    overflow-x: hidden;
    padding: 0;
}

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

ul {
    list-style: none;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Prevenir scroll horizontal en todos los elementos */
* {
    max-width: 100%;
}

.container,
.hero,
.services,
.features,
.how-it-works,
.platforms,
.pricing,
.testimonials,
.faq,
.cta,
.contact,
.footer {
    max-width: 100%;
    overflow-x: hidden;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--dark);
}

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

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 28px;
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 50px rgba(104, 61, 228, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: var(--white);
}

.btn-light {
    background: var(--white);
    color: var(--primary);
}

.btn-light:hover {
    background: var(--gray-100);
    transform: translateY(-2px);
}

.btn-outline-light {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-outline-light:hover {
    background: var(--white);
    color: var(--primary);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 17px;
}

.btn-block {
    width: 100%;
}

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: #ffffff;
    transition: var(--transition);
}

/* Línea divisoria DESPUÉS del header */
.header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background-color: #e5e5e5;
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.header.scrolled::after {
    background-color: transparent;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 90px;
    padding: 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 28px;
    font-weight: 800;
    padding: 20px 0;
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: var(--radius-md);
    font-weight: 800;
}

.logo-text {
    color: var(--dark);
}

/* Header logo - más grande y visible */
.header .logo-img {
    height: auto;
    width: 190px;
    max-width: 200px;
    object-fit: contain;
    display: block;
}

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

.nav-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-700);
    position: relative;
    padding: 8px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition);
}

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

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-buttons {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Botones del header - misma altura y proporción */
.nav-buttons .btn {
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 600;
    height: 42px;
    line-height: 1;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
}

.nav-buttons .btn-outline {
    border: 2px solid var(--primary);
    background: transparent;
    color: var(--primary);
}

.nav-buttons .btn-outline:hover {
    background: var(--primary);
    color: #ffffff;
}

.nav-buttons .btn-primary {
    border: 2px solid var(--primary);
    background: var(--primary);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(104, 61, 228, 0.3);
}

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

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--dark);
    border-radius: 2px;
    transition: var(--transition);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
}

.hero-gradient {
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 150%;
    background: radial-gradient(ellipse at center, rgba(104, 61, 228, 0.1) 0%, transparent 70%);
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    background: rgba(104, 61, 228, 0.1);
    color: var(--primary);
    border-radius: var(--radius-xl);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 25px;
}

.hero-badge i {
    font-size: 18px;
}

.hero-title {
    font-size: 52px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 25px;
}

.hero-description {
    font-size: 18px;
    color: var(--gray-600);
    margin-bottom: 35px;
    max-width: 520px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    margin-bottom: 50px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 40px;
    justify-content: center;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.stat-number {
    font-size: 36px;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}

.stat-plus {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
}

.stat-label {
    font-size: 14px;
    color: var(--gray-600);
    margin-top: 8px;
}

/* Hero Visual */
.hero-visual {
    position: relative;
}

.chat-window {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    border: 1px solid var(--gray-200);
}

.chat-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px 20px;
    background: var(--gradient-primary);
    color: var(--white);
}

.chat-avatar {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.chat-info {
    display: flex;
    flex-direction: column;
}

.chat-name {
    font-weight: 600;
    font-size: 16px;
}

.chat-status {
    font-size: 12px;
    opacity: 0.9;
    display: flex;
    align-items: center;
    gap: 5px;
}

.chat-status i {
    font-size: 8px;
    color: #4ade80;
}

.chat-messages {
    padding: 20px;
    min-height: 280px;
    background: var(--gray-100);
}

.message {
    margin-bottom: 15px;
    animation: fadeInUp 0.5s ease;
}

.message p {
    padding: 12px 16px;
    border-radius: var(--radius-md);
    font-size: 14px;
    max-width: 85%;
}

.message.bot p {
    background: var(--white);
    border: 1px solid var(--gray-200);
}

.message.user p {
    background: var(--gradient-primary);
    color: var(--white);
    margin-left: auto;
}

.message ul {
    margin-top: 10px;
    padding-left: 0;
}

.message li {
    font-size: 13px;
    margin-bottom: 5px;
}

.chat-input {
    display: flex;
    padding: 15px 20px;
    background: var(--white);
    border-top: 1px solid var(--gray-200);
}

.chat-input input {
    flex: 1;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    padding: 12px 15px;
    font-size: 14px;
    outline: none;
    transition: var(--transition);
}

.chat-input input:focus {
    border-color: var(--primary);
}

.chat-input button {
    width: 45px;
    height: 45px;
    margin-left: 10px;
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
}

.chat-input button:hover {
    transform: scale(1.05);
}

/* Floating Cards */
.floating-cards {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.floating-card {
    position: absolute;
    background: var(--white);
    padding: 12px 18px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    font-weight: 600;
    animation: float 3s ease-in-out infinite;
}

.floating-card i {
    font-size: 18px;
}

.card-1 {
    top: 10%;
    left: -10%;
    color: var(--primary);
    animation-delay: 0s;
}

.card-2 {
    top: 40%;
    right: -15%;
    color: var(--accent);
    animation-delay: 1s;
}

.card-3 {
    bottom: 15%;
    left: -5%;
    color: var(--yellow);
    animation-delay: 2s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Trusted Section ===== */
.trusted {
    padding: 60px 0;
    background: var(--gray-100);
    border-top: 1px solid var(--gray-200);
    border-bottom: 1px solid var(--gray-200);
}

.trusted-text {
    text-align: center;
    font-size: 14px;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 30px;
}

.trusted-logos {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 40px;
}

.logo-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-500);
    transition: var(--transition);
}

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

.logo-item i {
    font-size: 24px;
}

/* ===== Section Styles ===== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(104, 61, 228, 0.1);
    color: var(--primary);
    border-radius: var(--radius-xl);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

.section-title {
    font-size: 42px;
    margin-bottom: 15px;
}

.section-description {
    font-size: 18px;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== Services Section ===== */
.services {
    padding: 100px 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    position: relative;
    background: var(--white);
    padding: 35px 30px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.service-card.featured {
    border: 2px solid var(--primary);
}

.service-card .featured-badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background: var(--gradient-primary);
    color: var(--white);
    padding: 6px 15px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 600;
}

.service-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.service-icon i {
    font-size: 26px;
    color: var(--white);
}

.service-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
}

.service-card > p {
    font-size: 14px;
    color: var(--gray-600);
    margin-bottom: 20px;
}

.service-features {
    border-top: 1px solid var(--gray-200);
    padding-top: 20px;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--gray-700);
    margin-bottom: 10px;
}

.service-features i {
    color: var(--primary);
    font-size: 12px;
}

/* ===== Features Section ===== */
.features {
    padding: 100px 0;
    background: var(--gray-100);
}

.features-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.features-text .section-badge {
    display: inline-block;
}

.features-text .section-title {
    text-align: left;
    font-size: 38px;
}

.features-text .section-description {
    text-align: left;
    margin: 0 0 40px 0;
}

.features-list {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.feature-item {
    display: flex;
    gap: 20px;
}

.feature-icon {
    flex-shrink: 0;
    width: 55px;
    height: 55px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon i {
    font-size: 22px;
    color: var(--white);
}

.feature-content h4 {
    font-size: 18px;
    margin-bottom: 5px;
}

.feature-content p {
    font-size: 14px;
    color: var(--gray-600);
}

/* AI Brain Visual */
.features-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.ai-brain {
    position: relative;
    width: 350px;
    height: 350px;
}

.brain-core {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100px;
    height: 100px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    box-shadow: var(--shadow-primary);
}

.brain-core i {
    font-size: 40px;
    color: var(--white);
}

.brain-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    border: 2px dashed var(--gray-300);
}

.ring-1 {
    width: 180px;
    height: 180px;
    animation: rotate 20s linear infinite;
}

.ring-2 {
    width: 260px;
    height: 260px;
    animation: rotate 30s linear infinite reverse;
}

.ring-3 {
    width: 340px;
    height: 340px;
    animation: rotate 40s linear infinite;
}

@keyframes rotate {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

.brain-node {
    position: absolute;
    width: 50px;
    height: 50px;
    background: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    z-index: 5;
}

.brain-node i {
    font-size: 20px;
    color: var(--primary);
}

.node-1 { top: 0; left: 50%; transform: translateX(-50%); }
.node-2 { top: 50%; right: 0; transform: translateY(-50%); }
.node-3 { bottom: 0; left: 50%; transform: translateX(-50%); }
.node-4 { top: 50%; left: 0; transform: translateY(-50%); }

/* ===== How It Works Section ===== */
.how-it-works {
    padding: 100px 0;
    overflow: hidden;
}

.steps {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 20px;
    overflow: hidden;
}

.step {
    flex: 1;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.step-number {
    font-size: 60px;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.12;
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
}

.step-icon {
    width: 80px;
    height: 80px;
    margin: 30px auto 20px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
}

.step-icon i {
    font-size: 32px;
    color: var(--white);
}

.step h3 {
    font-size: 20px;
    margin-bottom: 10px;
}

.step p {
    font-size: 14px;
    color: var(--gray-600);
    padding: 0 10px;
}

.step-connector {
    flex: 0 0 60px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    margin-top: 70px;
}

/* ===== Platforms Section ===== */
.platforms {
    padding: 80px 0;
    background: var(--gray-100);
}

.platforms-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.platform-card {
    background: var(--white);
    padding: 30px 20px;
    border-radius: var(--radius-md);
    text-align: center;
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

.platform-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}

.platform-card i {
    font-size: 40px;
    color: var(--primary);
    margin-bottom: 15px;
}

.platform-card span {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--dark);
}

/* ===== Pricing Section ===== */
.pricing {
    padding: 100px 0;
}

.pricing-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 50px;
}

.toggle-label {
    font-size: 15px;
    font-weight: 500;
    color: var(--gray-500);
    cursor: pointer;
    transition: var(--transition);
}

.toggle-label.active {
    color: var(--dark);
}

.toggle-switch {
    position: relative;
    width: 60px;
    height: 32px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gray-300);
    border-radius: 34px;
    transition: var(--transition);
}

.toggle-slider::before {
    position: absolute;
    content: '';
    height: 24px;
    width: 24px;
    left: 4px;
    bottom: 4px;
    background: var(--white);
    border-radius: 50%;
    transition: var(--transition);
}

.toggle-switch input:checked + .toggle-slider {
    background: var(--gradient-primary);
}

.toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(28px);
}

.discount-badge {
    background: var(--accent);
    color: var(--dark);
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 700;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.pricing-card {
    position: relative;
    background: var(--white);
    padding: 40px 35px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
    border: 2px solid var(--primary);
    transform: scale(1.05);
    box-shadow: var(--shadow-xl);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-5px);
}

.pricing-card .featured-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: var(--white);
    padding: 6px 20px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 600;
}

.pricing-header {
    text-align: center;
    margin-bottom: 25px;
}

.pricing-header h3 {
    font-size: 24px;
    margin-bottom: 5px;
}

.pricing-header p {
    font-size: 14px;
    color: var(--gray-600);
}

.pricing-price {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--gray-200);
}

.pricing-price .currency {
    font-size: 24px;
    font-weight: 700;
    color: var(--dark);
    vertical-align: top;
}

.pricing-price .amount {
    font-size: 56px;
    font-weight: 800;
    color: var(--dark);
    line-height: 1;
}

.pricing-price .amount-custom {
    font-size: 32px;
    font-weight: 700;
    color: var(--dark);
}

.pricing-price .period {
    font-size: 16px;
    color: var(--gray-500);
}

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

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    margin-bottom: 15px;
}

.pricing-features li i {
    font-size: 14px;
    color: var(--primary);
}

.pricing-features li.disabled {
    color: var(--gray-400);
}

.pricing-features li.disabled i {
    color: var(--gray-400);
}

/* ===== Testimonials Section ===== */
.testimonials {
    padding: 100px 0;
    background: var(--gray-100);
}

.testimonials-slider {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.testimonial-card {
    background: var(--white);
    padding: 35px 30px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.testimonial-card:hover {
    box-shadow: var(--shadow-md);
}

.testimonial-rating {
    margin-bottom: 20px;
}

.testimonial-rating i {
    color: var(--yellow);
    font-size: 16px;
}

.testimonial-text {
    font-size: 15px;
    color: var(--gray-700);
    line-height: 1.7;
    margin-bottom: 25px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.author-avatar i {
    color: var(--white);
    font-size: 20px;
}

.author-info h4 {
    font-size: 16px;
    margin-bottom: 3px;
}

.author-info span {
    font-size: 13px;
    color: var(--gray-500);
}

/* ===== FAQ Section ===== */
.faq {
    padding: 100px 0;
}

.faq-grid {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    margin-bottom: 15px;
    overflow: hidden;
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 25px;
    background: var(--white);
    border: none;
    cursor: pointer;
    text-align: left;
    transition: var(--transition);
}

.faq-question span {
    font-size: 16px;
    font-weight: 600;
    color: var(--dark);
}

.faq-question i {
    color: var(--primary);
    transition: var(--transition);
}

.faq-item.active .faq-question {
    background: var(--gray-100);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-answer p {
    padding: 0 25px 20px;
    font-size: 15px;
    color: var(--gray-600);
    line-height: 1.7;
}

/* ===== CTA Section ===== */
.cta {
    padding: 100px 0;
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 60%;
    height: 200%;
    background: radial-gradient(ellipse at center, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    font-size: 40px;
    color: var(--white);
    margin-bottom: 15px;
}

.cta-content p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 35px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
}

/* ===== Contact Section ===== */
.contact {
    padding: 100px 0;
    background: var(--gray-100);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
}

.contact-info .section-badge {
    display: inline-block;
}

.contact-info .section-title {
    text-align: left;
    font-size: 36px;
}

.contact-info > p {
    color: var(--gray-600);
    margin-bottom: 35px;
}

.contact-details {
    margin-bottom: 35px;
}

.contact-item {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
}

.contact-item i {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.contact-item h4 {
    font-size: 14px;
    color: var(--gray-500);
    font-weight: 500;
    margin-bottom: 3px;
}

.contact-item a {
    font-size: 16px;
    color: var(--dark);
    font-weight: 600;
}

.contact-item a:hover {
    color: var(--primary);
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 45px;
    height: 45px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--gray-600);
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

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

.contact-form label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 8px;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 15px;
    font-family: inherit;
    transition: var(--transition);
    background: var(--white);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(104, 61, 228, 0.1);
}

.contact-form textarea {
    resize: vertical;
    min-height: 120px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

/* ===== Footer ===== */
.footer {
    background: var(--dark);
    color: var(--white);
    padding: 80px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 50px;
    padding-bottom: 50px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo {
    margin-bottom: 20px;
    display: inline-block;
}

/* Footer logo - BLANCO visible sobre fondo oscuro */
.footer-brand .logo-img,
.footer .logo-img {
    height: auto;
    width: 150px;
    max-width: 150px;
    object-fit: contain;
    filter: brightness(0) invert(1) !important;
    opacity: 1 !important;
}

.footer-brand .logo-text {
    color: var(--white);
}

.footer-brand > p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 25px;
    line-height: 1.7;
}

.footer-brand .social-links .social-link {
    background: rgba(255, 255, 255, 0.1);
    border-color: transparent;
    color: var(--white);
}

.footer-brand .social-links .social-link:hover {
    background: var(--primary);
}

.footer-links h4 {
    font-size: 16px;
    color: var(--white);
    margin-bottom: 25px;
}

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

.footer-links ul li a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

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

.footer-bottom {
    padding: 25px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
}

/* ===== Responsive ===== */

/* Tablets y pantallas medianas */
@media (max-width: 1024px) {
    .nav {
        height: 85px;
    }

    .header .logo-img {
        width: 160px;
        max-width: 170px;
    }

    .nav-menu {
        gap: 20px;
    }

    .nav-link {
        font-size: 13px;
    }

    .nav-buttons .btn {
        padding: 8px 16px;
        font-size: 13px;
        height: 38px;
    }

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

    .hero-title {
        font-size: 38px;
    }

    .hero-description {
        margin: 0 auto 35px;
    }

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

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

    .hero-visual {
        max-width: 450px;
        margin: 40px auto 0;
    }

    .floating-card {
        display: none;
    }

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

    .features-content {
        grid-template-columns: 1fr;
    }

    .features-visual {
        order: -1;
    }

    .ai-brain {
        width: 280px;
        height: 280px;
    }

    .steps {
        flex-wrap: wrap;
    }

    .step {
        flex: 0 0 calc(50% - 40px);
    }

    .step-connector {
        display: none;
    }

    .platforms-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .pricing-grid {
        grid-template-columns: 1fr !important;
        max-width: 450px !important;
        margin: 0 auto !important;
    }

    .pricing-card.featured {
        transform: none;
    }

    .pricing-card.featured:hover {
        transform: translateY(-5px);
    }

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

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

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

    .footer .logo-img,
    .footer-brand .logo-img {
        width: 120px;
        max-width: 120px;
    }
}

/* Móviles y tablets pequeñas */
@media (max-width: 768px) {
    .container {
        padding: 0 20px;
        max-width: 100%;
    }

    .header {
        padding: 0;
    }

    .header .logo-img {
        width: 140px;
        max-width: 150px;
    }

    .nav {
        height: 75px;
    }

    .logo {
        padding: 18px 0;
    }

    .nav-menu,
    .nav-buttons {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .nav-menu.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--white);
        padding: 20px;
        box-shadow: var(--shadow-md);
        border-top: 1px solid var(--gray-200);
        gap: 0;
    }

    .nav-menu.active .nav-link {
        padding: 15px 0;
        border-bottom: 1px solid var(--gray-100);
        width: 100%;
    }

    /* Mostrar botones en menú móvil */
    .nav-buttons.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: calc(70px + 200px);
        left: 0;
        right: 0;
        background: var(--white);
        padding: 20px;
        gap: 10px;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero-title {
        font-size: 28px;
        line-height: 1.2;
    }

    .hero-description {
        font-size: 16px;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
        align-items: center;
    }

    .hero-buttons .btn {
        width: calc(100% - 40px);
        max-width: 500px;
        margin: 0 auto;
    }

    .hero-stats {
        width: 100%;
        gap: 30px;
    }

    .section-header {
        margin-bottom: 40px;
    }

    .section-title {
        font-size: 28px;
        line-height: 1.3;
    }

    .section-description {
        font-size: 16px;
    }

    .services-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .service-card {
        padding: 25px 20px;
    }

    /* Espaciado uniforme entre secciones */
    .services,
    .features,
    .pricing,
    .testimonials,
    .faq,
    .contact {
        padding: 60px 0;
    }

    /* Corrección números "Cómo Funciona" en móvil */
    .how-it-works {
        padding: 60px 0;
    }

    .platforms {
        padding: 50px 0;
    }

    .steps {
        flex-direction: column;
        gap: 50px;
    }

    .step {
        flex: 0 0 100%;
        max-width: 100%;
        padding: 0 10px;
    }

    .step-number {
        font-size: 40px;
        opacity: 0.1;
        top: -10px;
    }

    .step-connector {
        display: none;
    }

    .platforms-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .platform-card {
        padding: 20px 15px;
    }

    .platform-card i {
        font-size: 30px;
    }

    /* CTAs en móvil */
    .cta {
        padding: 80px 0;
    }

    .cta-content h2 {
        font-size: 24px;
        line-height: 1.3;
    }

    .cta-content p {
        font-size: 16px;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
        gap: 12px;
        width: 100%;
    }

    .cta-buttons .btn {
        width: calc(100% - 40px);
        max-width: 500px;
        margin: 0 auto;
    }

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

    .contact-form-wrapper {
        padding: 25px 20px;
    }

    .footer {
        padding: 50px 0 0;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 35px;
    }

    .footer-brand .logo {
        justify-content: center;
    }

    .footer .logo-img,
    .footer-brand .logo-img {
        width: 130px;
        max-width: 130px;
    }

    .footer-brand .social-links {
        justify-content: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 10px;
        text-align: center;
        padding: 20px 0;
    }

    .contact-details {
        text-align: left;
    }

    .contact-item {
        justify-content: flex-start;
    }
}

/* Móviles pequeños */
@media (max-width: 480px) {
    .container {
        padding: 0 20px;
        max-width: 100%;
    }

    .nav {
        height: 70px;
    }

    .header .logo-img {
        width: 120px;
        max-width: 130px;
    }

    .logo {
        padding: 16px 0;
    }

    .hero {
        padding-top: 90px;
    }

    .hero-title {
        font-size: 24px;
        line-height: 1.3;
    }

    .hero-description {
        font-size: 15px;
    }

    .hero-stats {
        flex-direction: column;
        gap: 15px;
        align-items: center;
    }

    .stat {
        align-items: center;
        width: 100%;
    }

    .stat-number {
        font-size: 28px;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 12px;
        width: 100%;
    }

    .hero-buttons .btn {
        width: 100%;
        max-width: 100%;
        justify-content: center;
    }

    .btn-lg {
        width: 100%;
        padding: 14px 24px;
        font-size: 15px;
    }

    .section-title {
        font-size: 24px;
        line-height: 1.3;
    }

    .section-description {
        font-size: 15px;
    }

    /* Números "Cómo Funciona" extra pequeños en móvil */
    .step-number {
        font-size: 32px;
        opacity: 0.08;
        top: -5px;
    }

    .step-icon {
        width: 70px;
        height: 70px;
        margin: 20px auto 15px;
    }

    .step-icon i {
        font-size: 28px;
    }

    .step h3 {
        font-size: 18px;
    }

    .step p {
        font-size: 14px;
    }

    /* Botones CTA móvil pequeño */
    .cta-buttons .btn {
        width: 100%;
        max-width: 100%;
        padding: 14px 20px;
        font-size: 15px;
    }

    .pricing-card {
        padding: 30px 20px;
    }

    .pricing-features li {
        font-size: 13px;
    }

    .testimonial-card {
        padding: 25px 20px;
    }

    .faq-question span {
        font-size: 14px;
    }

    .footer .logo-img,
    .footer-brand .logo-img {
        width: 120px;
        max-width: 120px;
    }
}

/* iPhone SE y dispositivos similares (375px) */
@media (max-width: 375px) {
    .container {
        padding: 0 16px;
    }

    .hero-title {
        font-size: 22px;
    }

    .section-title {
        font-size: 22px;
    }

    .step-number {
        font-size: 28px;
        opacity: 0.06;
    }

    .hero-buttons .btn,
    .cta-buttons .btn {
        padding: 12px 18px;
        font-size: 14px;
    }

    .service-card {
        padding: 20px 16px;
    }

    .service-card h3 {
        font-size: 18px;
    }
}

/* iPhone 12/13/14 (390px) */
@media (min-width: 376px) and (max-width: 430px) {
    .container {
        padding: 0 18px;
    }

    .step-number {
        font-size: 30px;
        opacity: 0.08;
    }

    .hero-title {
        font-size: 23px;
    }

    .section-title {
        font-size: 23px;
    }
}