/* CSS Variables & Reset */
:root {
    --bg-dark: #0f172a;
    --bg-card: #1e293b;
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --accent: #f59e0b;
    --accent-hover: #d97706;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border: rgba(255, 255, 255, 0.1);
    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.08);
    
    --font-sans: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4 {
    line-height: 1.2;
    font-weight: 700;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(2rem, 4vw, 2.5rem); margin-bottom: 1rem; }
h3 { font-size: 1.5rem; margin-bottom: 0.5rem; }
p { margin-bottom: 1rem; color: var(--text-muted); }

.accent { color: var(--accent); }
.accent-gradient {
    background: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.grid {
    display: grid;
    gap: 2rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--accent);
    color: #fff;
    box-shadow: 0 4px 14px 0 rgba(245, 158, 11, 0.39);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(245, 158, 11, 0.5);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-main);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background-color: var(--bg-card);
    transform: translateY(-2px);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-block {
    width: 100%;
}

/* Glassmorphism utility */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    padding: 1rem 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 800;
}

.logo-icon { font-size: 1.8rem; }

.nav-links {
    display: none;
}

.nav-links a {
    color: var(--text-main);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--accent);
}

@media (min-width: 768px) {
    .nav-links {
        display: flex;
        gap: 2rem;
    }
}

/* Hero Section */
.hero {
    padding: 8rem 0 5rem 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
    position: relative;
    z-index: 2;
}

@media (min-width: 992px) {
    .hero-container {
        grid-template-columns: 1.2fr 1fr;
        align-items: center;
    }
}

.badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary);
    border-radius: 2rem;
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.hero-title {
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.125rem;
    max-width: 32rem;
    margin-bottom: 2.5rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
}

.trust-indicators {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Hero Visual / Animation */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.blob {
    position: absolute;
    filter: blur(80px);
    z-index: -1;
    opacity: 0.5;
    animation: float 10s infinite ease-in-out alternate;
}

.blob-1 {
    width: 300px;
    height: 300px;
    background: var(--primary);
    top: -50px;
    right: -50px;
    border-radius: 50%;
}

.blob-2 {
    width: 250px;
    height: 250px;
    background: var(--accent);
    bottom: -20px;
    left: 20px;
    border-radius: 50%;
    animation-delay: -5s;
}

@keyframes float {
    0% { transform: translateY(0) scale(1); }
    100% { transform: translateY(-30px) scale(1.1); }
}

.main-glass-card {
    width: 100%;
    max-width: 400px;
    position: relative;
    transform: perspective(1000px) rotateY(-10deg) rotateX(5deg);
    transition: transform 0.5s ease;
}

.main-glass-card:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border);
    padding-bottom: 1rem;
}

.doc-icon {
    font-size: 2.5rem;
    background: rgba(255,255,255,0.1);
    padding: 0.75rem;
    border-radius: 0.75rem;
}

.status.success {
    color: #10b981;
    font-size: 0.875rem;
    font-weight: 600;
}

.debt-list {
    margin-bottom: 1.5rem;
}

.debt-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px dashed var(--border);
}

.strike {
    text-decoration: line-through;
    color: #ef4444;
}

.total-saved {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(16, 185, 129, 0.1);
    padding: 1rem;
    border-radius: 0.5rem;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.total-saved span {
    font-weight: 600;
    color: #10b981;
}

.total-amount {
    font-size: 1.25rem;
    font-weight: 800;
}

/* Features Section */
.features {
    padding: 5rem 0;
    background-color: #0b1120;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 4rem auto;
}

.features-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.feature-card {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: 1rem;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: rgba(245, 158, 11, 0.5); /* Accent border on hover */
    box-shadow: 0 10px 30px -10px rgba(0,0,0,0.5);
}

.icon-wrapper {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    display: inline-block;
    padding: 1rem;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 1rem;
}

/* Requirements */
.requirements {
    padding: 6rem 0;
}

.requisitos-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
    align-items: center;
}

@media (min-width: 992px) {
    .requisitos-container {
        grid-template-columns: 1fr 1fr;
    }
}

.req-card {
    position: relative;
}

.checklist {
    list-style: none;
    margin: 1.5rem 0;
}

.checklist li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

.check-icon {
    color: #10b981;
    font-weight: bold;
}

.progress-bar {
    height: 8px;
    background: var(--bg-dark);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 1rem;
}

.progress-fill {
    height: 100%;
    background: var(--accent);
    border-radius: 4px;
}

.req-result {
    color: #10b981;
    font-weight: 600;
    text-align: center;
}

/* Accordion */
.accordion {
    margin-top: 2rem;
}

.accordion-item {
    border-bottom: 1px solid var(--border);
}

.accordion-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
    background: none;
    border: none;
    color: var(--text-main);
    font-size: 1.25rem;
    font-weight: 600;
    cursor: pointer;
    text-align: left;
}

.chevron {
    transition: transform 0.3s ease;
}

.accordion-item.active .chevron {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.accordion-item.active .accordion-content {
    max-height: 200px;
}

.accordion-content p {
    padding-bottom: 1.5rem;
}

/* CTA Section */
.cta-section {
    padding: 5rem 0;
}

.cta-box {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    background: linear-gradient(145deg, var(--bg-card), #0f172a);
    border: 1px solid rgba(245, 158, 11, 0.2);
    padding: 3rem;
    border-radius: 1rem;
}

@media (min-width: 992px) {
    .cta-box {
        grid-template-columns: 1fr 1fr;
        align-items: center;
    }
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 1rem;
    border-radius: 0.5rem;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    color: var(--text-main);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.2);
}

.privacy-notice {
    font-size: 0.875rem;
    text-align: center;
    margin-top: 1rem;
    color: var(--text-muted);
}

/* Footer */
footer {
    background: #0b1120;
    padding: 4rem 0 2rem 0;
    border-top: 1px solid var(--border);
}

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

@media (min-width: 768px) {
    .footer-container {
        grid-template-columns: 2fr 1fr 1fr;
    }
}

.footer-brand p {
    margin-top: 1rem;
    max-width: 300px;
}

.footer-links h4, .footer-contact h4 {
    color: var(--text-main);
    margin-bottom: 1.5rem;
}

.footer-links a {
    display: block;
    color: var(--text-muted);
    text-decoration: none;
    margin-bottom: 0.75rem;
    transition: var(--transition);
}

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

.footer-contact p {
    margin-bottom: 0.75rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    font-size: 0.875rem;
}

/* Reduced Motion for Accessibility */
@media (prefers-reduced-motion: reduce) {
    *, ::before, ::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}