/* =========================================
   ServiBSA Bolivia - Professional CSS
   Design: Corporate Trust & Bolivian Identity
   ========================================= */

:root {
    /* Colors - Bolivia Corporate */
    --color-primary: #003d7a;
    --color-secondary: #2d5016;
    --color-accent: #ff6b35;
    --color-text: #2c2c2c;
    --color-text-light: #555555;
    --color-text-muted: #777777;
    --color-background: #f8f9fa;
    --color-surface: #ffffff;
    --color-border: #e0e0e0;
    --color-success: #2d5016;
    
    /* Typography */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    
    /* Effects */
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.12);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.16);
    --transition: 0.3s ease;
}

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

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

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-background);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-primary);
}

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul {
    list-style: none;
}

/* Navigation */
.navigation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    transition: var(--transition);
}

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

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-primary);
}

.brand-icon {
    font-size: 1.75rem;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 28px;
    height: 24px;
}

.hamburger {
    width: 100%;
    height: 2px;
    background-color: var(--color-primary);
    transition: var(--transition);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-item {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text);
    padding: 0.5rem 0;
    position: relative;
}

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

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

.nav-cta {
    padding: 0.75rem 1.5rem;
    background-color: var(--color-accent);
    color: white;
    border-radius: 6px;
    font-weight: 700;
    font-size: 0.95rem;
    transition: var(--transition);
}

.nav-cta:hover {
    background-color: #ff5722;
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

/* Hero Section */
.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    padding: 8rem 2rem 4rem;
    max-width: 1280px;
    margin: 0 auto;
}

.hero-container {
    max-width: 700px;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: var(--color-surface);
    border: 2px solid var(--color-primary);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--color-primary);
}

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

.hero-lead {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-text-light);
    margin-bottom: 2rem;
}

.hero-disclaimer {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    background-color: #fff8f0;
    border-left: 4px solid var(--color-accent);
    border-radius: 4px;
    margin-bottom: 2rem;
}

.disclaimer-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.disclaimer-content {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--color-text);
}

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

.btn-primary,
.btn-secondary {
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 700;
    border-radius: 6px;
    transition: var(--transition);
    display: inline-block;
}

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

.btn-primary:hover {
    background-color: #ff5722;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

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

/* Trust Bar */
.trust-bar {
    background-color: var(--color-primary);
    color: white;
    padding: 2rem;
}

.trust-container {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

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

.trust-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 0.25rem;
}

.trust-label {
    font-size: 0.9rem;
    opacity: 0.9;
}

.trust-divider {
    width: 1px;
    height: 50px;
    background-color: rgba(255, 255, 255, 0.3);
}

/* Content Wrapper */
.content-wrapper {
    max-width: 1280px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-light);
    max-width: 700px;
    margin: 0 auto;
}

/* Services */
.services {
    background-color: var(--color-surface);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: var(--color-background);
    padding: 2rem;
    border-radius: 12px;
    border: 2px solid var(--color-border);
    transition: var(--transition);
    position: relative;
}

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

.service-card.featured {
    background-color: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.service-card.featured .service-title {
    color: white;
}

.featured-badge {
    position: absolute;
    top: -12px;
    right: 20px;
    padding: 0.25rem 0.75rem;
    background-color: var(--color-accent);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    border-radius: 20px;
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.service-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.service-description {
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.service-features {
    margin-bottom: 1rem;
}

.service-features li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    font-size: 0.95rem;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-success);
    font-weight: 700;
}

.service-card.featured .service-features li::before {
    color: var(--color-accent);
}

/* Process */
.process {
    background-color: var(--color-background);
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.process-step {
    background-color: var(--color-surface);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    transition: var(--transition);
}

.process-step:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.step-number {
    width: 60px;
    height: 60px;
    background-color: var(--color-accent);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    font-weight: 800;
    margin: 0 auto 1.5rem;
}

.step-title {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.step-description {
    color: var(--color-text-light);
    font-size: 0.95rem;
}

/* FAQ */
.faq {
    background-color: var(--color-surface);
}

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

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

.faq-question {
    width: 100%;
    padding: 1.5rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text);
    cursor: pointer;
    transition: var(--transition);
}

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

.faq-icon {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--color-accent);
    transition: var(--transition);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

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

.faq-item.active .faq-answer {
    max-height: 500px;
    padding-bottom: 1.5rem;
}

.faq-answer p {
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: 0.75rem;
}

.faq-answer ul {
    padding-left: 1.5rem;
}

.faq-answer ul li {
    list-style: disc;
    color: var(--color-text-light);
    margin-bottom: 0.5rem;
}

/* Legal Disclaimer */
.legal-disclaimer {
    background-color: var(--color-background);
    padding: 3rem 2rem;
}

.disclaimer-box {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem;
    background-color: var(--color-surface);
    border-radius: 12px;
    border: 2px solid var(--color-border);
}

.disclaimer-box h2 {
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.disclaimer-box p {
    margin-bottom: 1rem;
    line-height: 1.7;
}

.disclaimer-box ul {
    margin: 1rem 0;
}

.disclaimer-box ul li {
    padding: 0.5rem 0;
    font-size: 0.95rem;
}

/* Contact */
.contact {
    background-color: var(--color-surface);
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 3rem;
}

.contact-title {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.contact-lead {
    font-size: 1.125rem;
    color: var(--color-text-light);
    margin-bottom: 2rem;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.method {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.method-icon {
    font-size: 1.5rem;
}

.contact-form {
    background-color: var(--color-background);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.form-title {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid var(--color-border);
    border-radius: 6px;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-accent);
}

.checkbox-label {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
    cursor: pointer;
}

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

.checkbox-label span {
    font-size: 0.95rem;
}

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

.btn-submit {
    width: 100%;
    padding: 1rem 2rem;
    background-color: var(--color-accent);
    color: white;
    font-weight: 700;
    font-size: 1.05rem;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
}

.btn-submit:hover {
    background-color: #ff5722;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Footer */
.footer {
    background-color: var(--color-primary);
    color: white;
    padding: 3rem 2rem 1.5rem;
}

.footer-container {
    max-width: 1280px;
    margin: 0 auto;
}

.footer-columns {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-col h4 {
    color: white;
    font-size: 1.125rem;
    margin-bottom: 1rem;
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-col ul li {
    font-size: 0.95rem;
}

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

.footer-bottom {
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    text-align: center;
    font-size: 0.9rem;
    opacity: 0.8;
}

/* WhatsApp Button */
.whatsapp-button {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--transition);
}

.whatsapp-button:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 24px rgba(37, 211, 102, 0.6);
}

.whatsapp-icon {
    width: 32px;
    height: 32px;
    color: white;
}

/* Responsive */
@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: white;
        flex-direction: column;
        align-items: flex-start;
        padding: 2rem;
        gap: 1.5rem;
        transition: left var(--transition);
        box-shadow: var(--shadow-md);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero {
        padding-top: 6rem;
    }
    
    .trust-divider {
        display: none;
    }
    
    .contact-layout {
        grid-template-columns: 1fr;
    }
    
    .footer-columns {
        grid-template-columns: 1fr;
    }
}

@media print {
    .navigation,
    .whatsapp-button {
        display: none;
    }
}