:root {
    --primary: #1e1b4b;
    --primary-light: #2e2a72;
    --secondary: #4338ca;
    --accent: #f59e0b;
    --neutral-dark: #0f172a;
    --neutral-light: #f8fafc;
    --text: #334155;
    --border: #e2e8f0;
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', system-ui, sans-serif;
    --transition: all 0.3s ease;
}

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

body {
    font-family: var(--font-body);
    color: var(--text);
    background-color: var(--neutral-light);
    line-height: 1.7;
    font-size: 1.125rem;
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    color: var(--neutral-dark);
    line-height: 1.3;
}

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

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.skip-link {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--accent);
    color: var(--neutral-dark);
    padding: 1rem;
    z-index: 9999;
    transition: top 0.2s;
}

.skip-link:focus {
    top: 0;
}

/* Header & Nav */
header {
    background-color: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-img {
    width: 45px;
    height: 45px;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

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

.nav-links a:hover, .nav-links a.active {
    color: var(--secondary);
}

.burger-menu {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--primary);
    aria-label: "Menu de navigation";
}

/* Hero Section */
.hero {
    position: relative;
    background: linear-gradient(135deg, var(--primary) 0%, #0f172a 100%);
    color: white;
    padding: 6rem 0 10rem;
    overflow: hidden;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 80px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 320'%3E%3Cpath fill='%23f8fafc' fill-opacity='1' d='M0,192L120,197.3C240,203,480,213,720,197.3C960,181,1200,139,1320,117.3L1440,96L1440,320L1320,320C1200,320,960,320,720,320C480,320,240,320,120,320L0,320Z'%3E%3C/path%3E%3C/svg%3E");
    background-size: cover;
    background-repeat: no-repeat;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}

.hero-content h1 {
    color: white;
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
}

.btn {
    display: inline-block;
    background-color: var(--accent);
    color: var(--neutral-dark);
    padding: 0.85rem 2rem;
    font-weight: 600;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn:hover {
    background-color: white;
    color: var(--primary);
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid white;
    color: white;
    margin-left: 1rem;
}

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

.hero-image img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

/* Stats Section */
.stats {
    padding: 4rem 0;
    background-color: white;
    margin-top: -4rem;
    position: relative;
    z-index: 10;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    text-align: center;
}

.stat-card h3 {
    font-size: 2.5rem;
    color: var(--secondary);
    margin-bottom: 0.5rem;
}

/* Sections */
section {
    padding: 6rem 0;
}

.section-title {
    text-align: center;
    font-size: 2.25rem;
    margin-bottom: 3rem;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background-color: var(--accent);
    margin: 1rem auto 0;
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
}

.service-card {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(0,0,0,0.1);
}

.service-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.service-card-body {
    padding: 2rem;
}

.service-card h3 {
    margin-bottom: 1rem;
    font-size: 1.4rem;
}

/* How It Works Steps */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2.5rem;
}

.step-card {
    background: white;
    padding: 2.5rem 2rem;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    border-top: 4px solid var(--secondary);
}

.step-num {
    width: 50px;
    height: 50px;
    background: var(--accent);
    color: var(--neutral-dark);
    font-weight: bold;
    font-size: 1.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

/* Features (Asymmetric) */
.features-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.features-split img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
}

.features-list {
    list-style: none;
    margin-top: 1.5rem;
}

.features-list li {
    margin-bottom: 1rem;
    padding-left: 2rem;
    position: relative;
}

.features-list li::before {
    content: "\f00c";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    color: var(--accent);
    position: absolute;
    left: 0;
    top: 2px;
}

/* Pricing Table */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
    align-items: stretch;
}

.pricing-card {
    background: white;
    border-radius: 8px;
    padding: 3rem 2rem;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    border: 1px solid var(--border);
    position: relative;
    display: flex;
    flex-direction: column;
}

.pricing-card.popular {
    border: 2px solid var(--secondary);
    transform: scale(1.03);
    box-shadow: 0 10px 30px rgba(67, 56, 202, 0.15);
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--secondary);
    color: white;
    padding: 0.25rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.price {
    font-size: 2.5rem;
    font-family: var(--font-heading);
    color: var(--neutral-dark);
    margin: 1.5rem 0;
}

.price span {
    font-size: 1rem;
    font-family: var(--font-body);
    color: var(--text);
}

.pricing-features {
    list-style: none;
    margin: 2rem 0;
    text-align: left;
    flex-grow: 1;
}

.pricing-features li {
    margin-bottom: 0.75rem;
    padding-left: 1.5rem;
    position: relative;
}

.pricing-features li::before {
    content: "\f00c";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    color: var(--secondary);
    position: absolute;
    left: 0;
}

/* Contact/Lead Capture Form */
.form-section {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    padding: 4rem;
    max-width: 800px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--neutral-dark);
}

input[type="text"], input[type="email"], input[type="tel"], textarea {
    width: 100%;
    padding: 0.85rem 1rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition);
}

input:focus, textarea:focus {
    outline: none;
    border-color: var(--secondary);
    box-shadow: 0 0 0 3px rgba(67, 56, 202, 0.15);
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.checkbox-group input {
    margin-top: 0.25rem;
}

/* FAQ Accordion */
.faq-accordion {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    border-radius: 8px;
    margin-bottom: 1rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.03);
    overflow: hidden;
}

.faq-question {
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--neutral-dark);
    user-select: none;
}

.faq-answer {
    padding: 0 2rem;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0,1,0,1);
}

.faq-item.active .faq-answer {
    padding: 1.5rem 2rem;
    max-height: 1000px;
    border-top: 1px solid var(--border);
}

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

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

/* Trust Layer Plaque */
.trust-layer {
    background-color: #f1f5f9;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 3rem 0;
}

.trust-box {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 3rem;
    align-items: center;
}

.trust-text p {
    font-size: 0.95rem;
    color: #64748b;
}

/* Footer */
footer {
    background-color: var(--neutral-dark);
    color: #94a3b8;
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-col h4 {
    color: white;
    margin-bottom: 1.5rem;
}

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

.footer-col ul li {
    margin-bottom: 0.75rem;
}

.footer-col ul a {
    color: #94a3b8;
}

.footer-col ul a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid #1e293b;
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    right: 2rem;
    max-width: 500px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.15);
    padding: 2rem;
    z-index: 9999;
    display: none;
    border: 1px solid var(--border);
}

.cookie-banner h4 {
    margin-bottom: 1rem;
}

.cookie-banner p {
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.cookie-btns {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

/* Focus Visibility Styles */
:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 2px;
}

/* Accessibility settings */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-delay: 0s !important;
        animation-duration: 0s !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0s !important;
        scroll-behavior: auto !important;
    }
}

/* Responsive adjustment */
@media (max-width: 992px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    .pricing-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    .pricing-card.popular {
        transform: none;
    }
    .features-split {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 2rem;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        gap: 1.5rem;
    }
    .nav-links.active {
        display: flex;
    }
    .burger-menu {
        display: block;
    }
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    .form-section {
        padding: 2rem;
    }
    .trust-box {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}