/* ========================================
   RADIO BALUN - Estilos Principales
   Diseño moderno, minimalista y tecnológico
   ======================================== */

/* Variables CSS */
:root {
    --color-primary: #0a1628;
    --color-secondary: #0d2137;
    --color-accent: #00d4ff;
    --color-accent-alt: #0099cc;
    --color-text: #e8f4f8;
    --color-text-muted: #8ba3b5;
    --color-border: rgba(0, 212, 255, 0.2);
    --color-card-bg: rgba(13, 33, 55, 0.8);
    --font-primary: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --shadow-glow: 0 0 30px rgba(0, 212, 255, 0.15);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    background: var(--color-primary);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Fondo animado con patrón de grilla */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px),
        linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: -1;
}

/* Tipografía */
h1, h2, h3, h4 {
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-text);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 3vw, 1.5rem); }

p {
    color: var(--color-text-muted);
    max-width: 65ch;
}

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

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

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

/* ========================================
   NAVEGACIÓN
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    padding: 1rem 0;
    transition: var(--transition-normal);
}

.navbar.scrolled {
    padding: 0.75rem 0;
    box-shadow: var(--shadow-card);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--color-text);
    letter-spacing: 2px;
}

.nav-logo svg {
    width: 32px;
    height: 32px;
    color: var(--color-accent);
}

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

.nav-links a {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: var(--transition-fast);
}

.nav-links a:hover::after {
    width: 100%;
}

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

/* Menú móvil */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--color-text);
    transition: var(--transition-fast);
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 8rem 0 4rem;
    overflow: hidden;
}

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

.hero-text {
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid var(--color-border);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--color-accent);
    margin-bottom: 1.5rem;
}

.hero-badge::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.hero h1 {
    margin-bottom: 1rem;
}

.hero h1 span {
    color: var(--color-accent);
}

.hero-tagline {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    margin-bottom: 2rem;
    font-weight: 300;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Visualización de ondas */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.wave-container {
    position: relative;
    width: 100%;
    max-width: 500px;
    aspect-ratio: 1;
}

.wave-circle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    animation: waveExpand 4s ease-out infinite;
}

.wave-circle:nth-child(1) { width: 100px; height: 100px; animation-delay: 0s; }
.wave-circle:nth-child(2) { width: 200px; height: 200px; animation-delay: 0.8s; }
.wave-circle:nth-child(3) { width: 300px; height: 300px; animation-delay: 1.6s; }
.wave-circle:nth-child(4) { width: 400px; height: 400px; animation-delay: 2.4s; }

@keyframes waveExpand {
    0% { opacity: 0.8; transform: translate(-50%, -50%) scale(0.8); }
    100% { opacity: 0; transform: translate(-50%, -50%) scale(1.2); }
}

.wave-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-alt));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-glow);
}

.wave-center svg {
    width: 40px;
    height: 40px;
    color: var(--color-primary);
}

/* ========================================
   BOTONES
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition-normal);
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-alt));
    color: var(--color-primary);
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(0, 212, 255, 0.4);
    color: var(--color-primary);
}

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

.btn-secondary:hover {
    background: rgba(0, 212, 255, 0.1);
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.btn svg {
    width: 20px;
    height: 20px;
}

/* ========================================
   SECCIONES GENERALES
   ======================================== */
section {
    padding: 6rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    margin-bottom: 1rem;
}

.section-header p {
    margin: 0 auto;
    font-size: 1.1rem;
}

.section-label {
    display: inline-block;
    color: var(--color-accent);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 0.75rem;
}

/* ========================================
   QUÉ ES RADIO BALUN
   ======================================== */
.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.about-card {
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 2rem;
    transition: var(--transition-normal);
}

.about-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-accent);
    box-shadow: var(--shadow-glow);
}

.about-card-icon {
    width: 48px;
    height: 48px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
}

.about-card-icon svg {
    width: 24px;
    height: 24px;
    color: var(--color-accent);
}

.about-card h3 {
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
}

.about-card p {
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ========================================
   PROGRAMACIÓN / CONTENIDO
   ======================================== */
.content-types {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.content-item {
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    transition: var(--transition-normal);
}

.content-item:hover {
    border-color: var(--color-accent);
    transform: translateY(-2px);
}

.content-item svg {
    width: 40px;
    height: 40px;
    color: var(--color-accent);
    margin-bottom: 1rem;
}

.content-item h4 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.content-item p {
    font-size: 0.85rem;
}

/* ========================================
   RADIO COLABORATIVA
   ======================================== */
.collaborative {
    background: linear-gradient(180deg, var(--color-secondary) 0%, var(--color-primary) 100%);
    position: relative;
}

.collaborative::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
}

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

.collab-features {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.collab-feature {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.collab-feature-icon {
    width: 40px;
    height: 40px;
    min-width: 40px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.collab-feature-icon svg {
    width: 20px;
    height: 20px;
    color: var(--color-accent);
}

.collab-feature h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.collab-feature p {
    font-size: 0.9rem;
}

/* Player embebido */
.player-section {
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
}

.player-section h3 {
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.player-section h3::before {
    content: '';
    width: 10px;
    height: 10px;
    background: #00ff88;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.player-wrapper {
    background: #000;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.player-wrapper iframe {
    width: 100%;
    height: 150px;
    border: none;
    display: block;
}

/* ========================================
   CÓMO COLABORAR
   ======================================== */
.steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.step-card {
    position: relative;
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 2rem;
    padding-top: 3rem;
}

.step-number {
    position: absolute;
    top: -15px;
    left: 2rem;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-alt));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--color-primary);
}

.step-card h4 {
    margin-bottom: 0.75rem;
}

.step-card p {
    font-size: 0.9rem;
}

.steps-cta {
    text-align: center;
}

/* ========================================
   REQUERIMIENTOS
   ======================================== */
.requirements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
}

.requirement-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    transition: var(--transition-fast);
}

.requirement-item:hover {
    border-color: var(--color-accent);
}

.requirement-item svg {
    width: 24px;
    height: 24px;
    min-width: 24px;
    color: var(--color-accent);
}

.requirement-item span {
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

/* ========================================
   TECNOLOGÍA
   ======================================== */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}

.tech-card {
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    transition: var(--transition-normal);
}

.tech-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-2px);
}

.tech-card svg {
    width: 48px;
    height: 48px;
    color: var(--color-accent);
    margin-bottom: 1rem;
}

.tech-card h4 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.tech-card p {
    font-size: 0.85rem;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background: var(--color-secondary);
    border-top: 1px solid var(--color-border);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    letter-spacing: 2px;
}

.footer-brand p {
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.footer-social a:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
}

.footer-social a:hover svg {
    color: var(--color-primary);
}

.footer-social svg {
    width: 20px;
    height: 20px;
    color: var(--color-accent);
}

.footer-links h4 {
    font-size: 1rem;
    margin-bottom: 1.25rem;
    color: var(--color-text);
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

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

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom p {
    font-size: 0.85rem;
}

/* ========================================
   ANIMACIONES DE SCROLL
   ======================================== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 992px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-visual {
        order: -1;
    }

    .wave-container {
        max-width: 350px;
    }

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

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

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

    .footer-bottom {
        justify-content: center;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(10, 22, 40, 0.98);
        flex-direction: column;
        padding: 1.5rem;
        gap: 1rem;
        border-bottom: 1px solid var(--color-border);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-toggle {
        display: flex;
    }

    .hero {
        padding: 6rem 0 3rem;
    }

    section {
        padding: 4rem 0;
    }

    .section-header {
        margin-bottom: 2.5rem;
    }

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

    .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }

    .container {
        padding: 0 1rem;
    }

    .about-card,
    .step-card,
    .tech-card {
        padding: 1.5rem;
    }
}

/* ========================================
   UTILIDADES
   ======================================== */
.text-accent {
    color: var(--color-accent);
}

.text-center {
    text-align: center;
}

.mt-2 { margin-top: 2rem; }
.mb-2 { margin-bottom: 2rem; }

/* ========================================
   FORMULARIO DE SOLICITUD
   ======================================== */
.form-section {
    min-height: 100vh;
    padding: 8rem 0 4rem;
}

.form-section .container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: start;
}

.form-container {
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 3rem;
}

.form-header {
    margin-bottom: 2.5rem;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    transition: var(--transition-fast);
}

.back-link:hover {
    color: var(--color-accent);
}

.back-link svg {
    width: 18px;
    height: 18px;
}

.form-header h1 {
    font-size: 2rem;
    margin-bottom: 0.75rem;
}

.form-header p {
    font-size: 1rem;
}

/* Grupos de formulario */
.form-group {
    margin-bottom: 1.75rem;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    margin-bottom: 0.75rem;
    color: var(--color-text);
}

.form-group label svg {
    width: 18px;
    height: 18px;
    color: var(--color-accent);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.875rem 1rem;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    color: var(--color-text);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-muted);
    opacity: 0.6;
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2300d4ff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 18px;
    padding-right: 3rem;
}

.form-group select option {
    background: var(--color-primary);
    color: var(--color-text);
}

.form-hint {
    display: block;
    margin-top: 0.5rem;
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* Radio buttons personalizados */
.radio-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.radio-option {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.radio-option:hover {
    border-color: var(--color-accent);
}

.radio-option input[type="radio"] {
    display: none;
}

.radio-custom {
    width: 20px;
    height: 20px;
    min-width: 20px;
    border: 2px solid var(--color-border);
    border-radius: 50%;
    position: relative;
    transition: var(--transition-fast);
    margin-top: 2px;
}

.radio-option input[type="radio"]:checked + .radio-custom {
    border-color: var(--color-accent);
}

.radio-option input[type="radio"]:checked + .radio-custom::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 10px;
    height: 10px;
    background: var(--color-accent);
    border-radius: 50%;
}

.radio-label {
    display: flex;
    flex-direction: column;
}

.radio-label strong {
    color: var(--color-text);
    font-weight: 500;
}

.radio-label small {
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

/* Checkbox personalizado */
.checkbox-group {
    margin-top: 2rem;
}

.checkbox-option {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(0, 212, 255, 0.05);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    cursor: pointer;
}

.checkbox-option input[type="checkbox"] {
    display: none;
}

.checkbox-custom {
    width: 22px;
    height: 22px;
    min-width: 22px;
    border: 2px solid var(--color-border);
    border-radius: 4px;
    position: relative;
    transition: var(--transition-fast);
    margin-top: 2px;
}

.checkbox-option input[type="checkbox"]:checked + .checkbox-custom {
    background: var(--color-accent);
    border-color: var(--color-accent);
}

.checkbox-option input[type="checkbox"]:checked + .checkbox-custom::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 6px;
    width: 6px;
    height: 10px;
    border: solid var(--color-primary);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox-label {
    color: var(--color-text);
    font-size: 0.95rem;
    line-height: 1.5;
}

.checkbox-label a {
    color: var(--color-accent);
    text-decoration: underline;
}

.lineamientos-list {
    margin-top: 0.75rem;
    padding-left: 1.25rem;
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

.lineamientos-list li {
    margin-bottom: 0.35rem;
}

/* Acciones del formulario */
.form-actions {
    margin-top: 2.5rem;
    text-align: center;
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.05rem;
}

.form-note {
    margin-top: 1rem;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* Sidebar del formulario */
.form-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    position: sticky;
    top: 6rem;
}

.sidebar-card {
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 1.5rem;
}

.sidebar-card h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--color-text);
}

.process-list {
    padding-left: 1.25rem;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.process-list li {
    margin-bottom: 0.5rem;
}

.contact-email {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-accent);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

.contact-email svg {
    width: 18px;
    height: 18px;
}

.link-accent {
    color: var(--color-accent);
}

/* Responsive formulario */
@media (max-width: 992px) {
    .form-section .container {
        grid-template-columns: 1fr;
    }

    .form-sidebar {
        position: static;
        flex-direction: row;
        flex-wrap: wrap;
    }

    .sidebar-card {
        flex: 1;
        min-width: 250px;
    }
}

@media (max-width: 768px) {
    .form-section {
        padding: 6rem 0 3rem;
    }

    .form-container {
        padding: 1.5rem;
    }

    .form-header h1 {
        font-size: 1.5rem;
    }

    .radio-group {
        gap: 0.5rem;
    }

    .radio-option {
        padding: 0.875rem;
    }

    .checkbox-option {
        padding: 1rem;
    }

    .sidebar-card {
        min-width: 100%;
    }
}