:root {
    /* Colors - Paleta terrosa y profesional */
    --color-primary: #2C5F2D;
    --color-primary-dark: #1A3A1B;
    --color-primary-light: #4A8F4C;
    --color-secondary: #D97706;
    --color-secondary-light: #FCD34D;
    --color-bg: #FAFAF9;
    --color-surface: #FFFFFF;
    --color-text: #1C1917;
    --color-text-secondary: #57534E;
    --color-border: #E7E5E4;
    --color-error: #DC2626;
    --color-success: #16A34A;

    /* Typography */
    --font-display: 'Bitter', serif;
    --font-body: 'Work Sans', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

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

html {
    scroll-behavior: smooth;
}

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Header */
.header {
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.95);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
    gap: var(--spacing-lg);
}

.brand {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.logo {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.02em;
    line-height: 1;
}

.tagline {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    font-weight: 500;
}

.nav {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
    margin-left: auto;
}

.nav-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color var(--transition-fast);
    position: relative;
    padding: 0.5rem 0;
}

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

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

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

.header-cta {
    display: flex;
    align-items: center;
}

.btn-header {
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
    background-color: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-header:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Hero Section */
.hero {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, #F5F5F4 0%, #FAFAF9 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 70%;
    height: 200%;
    background: radial-gradient(circle, rgba(44, 95, 45, 0.03) 0%, transparent 70%);
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-30px) rotate(5deg); }
}

.hero-content {
    max-width: 700px;
    margin-bottom: var(--spacing-2xl);
    position: relative;
    z-index: 1;
    animation: fadeInUp 0.8s ease;
}

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

.hero-title {
    font-family: var(--font-display);
    font-size: 3.5rem;
    line-height: 1.1;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.03em;
}

.highlight {
    color: var(--color-primary);
    position: relative;
    display: inline-block;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: 8px;
    left: 0;
    width: 100%;
    height: 12px;
    background-color: var(--color-secondary-light);
    opacity: 0.3;
    z-index: -1;
    transform: skew(-2deg);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: var(--spacing-xl);
    animation: fadeInUp 0.8s ease 0.3s both;
}

.stat {
    flex: 1;
    padding: var(--spacing-lg);
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
    transition: transform var(--transition-base);
}

.stat:hover {
    transform: translateY(-4px);
}

.stat-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 1rem 2rem;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

.btn-arrow {
    transition: transform var(--transition-fast);
}

.btn:hover .btn-arrow {
    transform: translateX(4px);
}

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

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: var(--color-surface);
    color: var(--color-text);
    border: 2px solid var(--color-border);
}

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

.btn-outline-secondary {
    background-color: #fff;
    border: 2px solid var(--color-border);
    color: var(--color-text);
    font-weight: 600;
    transition: all 0.2s;
}

.btn-outline-secondary:hover {
    border-color: var(--color-text-secondary);
    background-color: #f5f5f4;
    color: var(--color-text);
    transform: translateY(-1px);
}

.btn-icon-small {
    width: 32px;
    height: 32px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: rgba(44, 95, 45, 0.1);
    color: var(--color-primary);
    border: none;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-icon-small:hover {
    background-color: var(--color-primary);
    color: white;
    transform: scale(1.1);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* Feature Sections */
.feature-section {
    padding: var(--spacing-2xl) 0;
    background-color: var(--color-surface);
}

.feature-section.alt {
    background-color: var(--color-bg);
}

.feature-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.feature-grid.reverse {
    direction: rtl;
}

.feature-grid.reverse > * {
    direction: ltr;
}

.feature-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: rgba(44, 95, 45, 0.1);
    color: var(--color-primary);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-md);
}

.feature-title {
    font-family: var(--font-display);
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.feature-description {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.feature-list {
    list-style: none;
    margin-bottom: var(--spacing-lg);
}

.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    font-size: 1rem;
    color: var(--color-text);
    line-height: 1.6;
}

.check-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background-color: var(--color-primary);
    color: white;
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: 700;
    flex-shrink: 0;
    margin-top: 2px;
}

/* Visual Cards */
.feature-visual {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.visual-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background-color: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.feature-section.alt .visual-card {
    background-color: var(--color-surface);
}

.visual-card:hover {
    transform: translateX(8px);
    border-color: var(--color-primary-light);
    box-shadow: var(--shadow-md);
}

.visual-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.visual-text {
    flex: 1;
}

.visual-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.25rem;
}

.visual-subtitle {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.visual-arrow {
    font-size: 2rem;
    color: var(--color-primary);
    text-align: center;
    font-weight: 300;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.stat-card {
    padding: var(--spacing-lg);
    background-color: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-base);
}

.stat-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-primary-light);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.stat-value {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.25rem;
}

.stat-desc {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

/* How It Works Section */
.how-it-works {
    padding: var(--spacing-2xl) 0;
    background-color: var(--color-surface);
}

.section-title {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-text);
    text-align: center;
    margin-bottom: var(--spacing-xl);
    letter-spacing: -0.02em;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.step {
    padding: var(--spacing-lg);
    background-color: var(--color-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.step:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary-light);
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background-color: var(--color-primary);
    color: white;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    border-radius: 50%;
    margin-bottom: var(--spacing-md);
}

.step-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.step-description {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.step-description strong {
    color: var(--color-text);
    font-weight: 600;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.modal.active {
    display: flex;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 25px rgba(0, 0, 0, 0.15);
    animation: slideUp 0.3s ease;
}

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

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 40px;
    height: 40px;
    border: none;
    background-color: var(--color-bg);
    color: var(--color-text-secondary);
    font-size: 1.5rem;
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    background-color: var(--color-border);
    color: var(--color-text);
    transform: rotate(90deg);
}

.modal-title {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.modal-subtitle {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

/* Forms */
.form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-label {
    font-weight: 600;
    color: var(--color-text);
    font-size: 0.875rem;
}

.form-input,
.form-select {
    padding: 0.75rem 1rem;
    font-family: var(--font-body);
    font-size: 1rem;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    background-color: var(--color-surface);
    color: var(--color-text);
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(44, 95, 45, 0.1);
}

.form-input::placeholder {
    color: var(--color-text-secondary);
    opacity: 0.6;
}

.form-radio-group {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.form-radio {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    cursor: pointer;
    padding: 0.5rem 1rem;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form-radio:hover {
    border-color: var(--color-primary-light);
    background-color: rgba(44, 95, 45, 0.02);
}

.form-radio input[type="radio"] {
    margin: 0;
    cursor: pointer;
}

.form-radio input[type="radio"]:checked + span {
    font-weight: 600;
    color: var(--color-primary);
}

.form-radio:has(input[type="radio"]:checked) {
    border-color: var(--color-primary);
    background-color: rgba(44, 95, 45, 0.05);
}

/* Footer */
.footer {
    background-color: var(--color-text);
    color: var(--color-bg);
    padding: var(--spacing-2xl) 0 0;
    margin-top: var(--spacing-2xl);
}

.footer-main {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 4rem; /* Aumentado el espacio entre columnas */
    padding-bottom: var(--spacing-2xl);
    border-bottom: 1px solid rgba(250, 250, 249, 0.1);
}

.footer-column {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.footer-brand-column .logo {
    color: var(--color-bg);
    margin-bottom: var(--spacing-sm);
    font-size: 2rem;
}

.footer-description {
    color: rgba(250, 250, 249, 0.7);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(250, 250, 249, 0.1);
    color: rgba(250, 250, 249, 0.7);
    border-radius: 50%;
    transition: all var(--transition-fast);
}

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

.footer-title {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-bg);
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links li {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.footer-links svg {
    flex-shrink: 0;
    opacity: 0.5;
}

.footer-links a {
    color: rgba(250, 250, 249, 0.7);
    text-decoration: none;
    transition: color var(--transition-fast);
    font-size: 0.95rem;
}

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

.footer-links span {
    color: rgba(250, 250, 249, 0.7);
    font-size: 0.95rem;
}

.footer-bottom {
    padding: var(--spacing-lg) 0;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-bottom p {
    color: rgba(250, 250, 249, 0.5);
    font-size: 0.875rem;
    margin: 0;
}

.footer-legal {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.footer-legal a {
    color: rgba(250, 250, 249, 0.5);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color var(--transition-fast);
}

.footer-legal a:hover {
    color: var(--color-secondary-light);
}

.separator {
    color: rgba(250, 250, 249, 0.3);
}

/* WhatsApp Floating Button */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: all var(--transition-base);
    text-decoration: none;
    cursor: pointer;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
}

.whatsapp-float.hidden {
    opacity: 0;
    pointer-events: none;
    transform: translateY(100px);
}

.whatsapp-icon {
    width: 32px;
    height: 32px;
    transition: transform var(--transition-base);
}

.whatsapp-float:hover .whatsapp-icon {
    transform: scale(1.1);
}

.whatsapp-tooltip {
    position: absolute;
    right: 70px;
    background-color: white;
    color: var(--color-text);
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-md);
    white-space: nowrap;
    font-weight: 600;
    font-size: 0.95rem;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    pointer-events: none;
    transform: translateX(10px);
    transition: all var(--transition-base);
}

.whatsapp-tooltip::after {
    content: '';
    position: absolute;
    right: -6px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 6px solid white;
    border-top: 6px solid transparent;
    border-bottom: 6px solid transparent;
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    transform: translateX(0);
}

/* Responsive */
@media (max-width: 1024px) {
    .feature-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .feature-grid.reverse {
        direction: ltr;
    }
    
    .footer-main {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer-brand-column {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-wrap: wrap;
    }
    
    .nav {
        order: 3;
        width: 100%;
        justify-content: flex-start;
        gap: var(--spacing-md);
        padding-top: var(--spacing-sm);
        border-top: 1px solid var(--color-border);
    }
    
    .header-cta {
        margin-left: auto;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .hero-stats {
        flex-direction: column;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .feature-title {
        font-size: 1.75rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-main {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .modal-content {
        padding: var(--spacing-md);
    }
    
    .modal-title {
        font-size: 1.5rem;
    }
    
    .nav {
        flex-wrap: wrap;
        font-size: 0.9rem;
    }
    
    .btn-header {
        font-size: 0.875rem;
        padding: 0.625rem 1.25rem;
    }
    
    .whatsapp-float {
        width: 56px;
        height: 56px;
        bottom: 20px;
        right: 20px;
    }
    
    .whatsapp-icon {
        width: 28px;
        height: 28px;
    }
    
    .whatsapp-tooltip {
        display: none;
    }
}

/* Dropdown Navigation */
.nav-dropdown {
    position: relative;
    display: inline-block;
}

.nav-link-dropdown {
    display: flex;
    align-items: center;
    cursor: pointer;
    user-select: none;
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    min-width: 220px;
    z-index: 1000;
    padding: 0.5rem 0;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.25rem;
    color: var(--color-text);
    text-decoration: none;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.dropdown-item:hover {
    background: rgba(44,95,45,.05);
    color: var(--color-primary);
}

.dropdown-item svg {
    color: var(--color-text-secondary);
}

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

/* =========================================
   MEJORAS ESPECÍFICAS CALCULADORA
   ========================================= */

/* Corrección Tabla Evolución (Solución Imagen 2) */
.card-header {
    padding: 1.5rem !important; /* Más aire en los bordes */
    background-color: #fff !important;
    border-bottom: 1px solid var(--color-border);
}

.table-responsive {
    /* Evita que el scrollbar tape contenido */
    padding-bottom: 5px; 
}

/* Encabezado fijo que no se trasluce */
.sticky-top {
    position: sticky;
    top: 0;
    z-index: 20; /* Subido para evitar superposición */
}

.sticky-top th {
    /* Fondo sólido BLANCO para que no se vean las letras de abajo */
    background-color: #fff !important; 
    box-shadow: 0 1px 0 var(--color-border); 
    border-bottom: 2px solid var(--color-border) !important;
    padding-top: 1rem !important;
    padding-bottom: 1rem !important;
}

/* Clase para ocultar elementos molestos */
.d-none-custom {
    display: none !important;
}

/* =========================================
   ESTILOS FORMULARIO AVANZADO Y VALIDACIÓN
   ========================================= */

/* Títulos de sección dentro del form */
.form-section-title {
    font-size: 1rem;
    color: var(--color-primary);
    margin: 1.5rem 0 0.8rem 0;
    font-weight: 600;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 5px;
}

/* Grilla para las píldoras */
.checkbox-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

/* Estilo de "Píldora" (Botón seleccionable) */
.checkbox-pill {
    background: #f4f4f4;
    padding: 8px 14px;
    border-radius: 20px;
    font-size: 0.9rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s ease;
    border: 1px solid transparent;
    user-select: none;
    color: var(--color-text);
}

.checkbox-pill:hover {
    background: #e0e0e0;
}

/* Input de dinero con signo $ */
.input-prefix-wrapper {
    position: relative;
}

.input-prefix {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-secondary);
    font-weight: 500;
}

.input-prefix-wrapper input {
    padding-left: 30px;
}

/* Texto de ayuda pequeño */
.form-help {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    margin-top: 4px;
    display: block;
}

/* --- VALIDACIÓN NARANJA --- */
/* Solo mostramos el error si el formulario ya fue enviado una vez (clase .was-validated) */
.was-validated input:invalid, 
.was-validated select:invalid, 
.was-validated textarea:invalid {
    border-color: #ff9800 !important; /* Naranja */
    background-image: none;
    box-shadow: 0 0 0 1px #ff9800;
}

.was-validated .checkbox-pill:has(input:invalid) {
     border: 1px solid #ff9800;
}