/* ============================================
   CSS Variables & Root Styles
   ============================================ */
:root {
    /* Color Palette - Professional & Trustworthy */
    --color-primary: #1a5f7a;
    --color-primary-dark: #134557;
    --color-primary-light: #2e7c95;
    --color-secondary: #159895;
    --color-accent: #57c5b6;
    --color-gold: #d4af37;
    
    /* Neutral Colors */
    --color-dark: #1a1d29;
    --color-dark-light: #2d3142;
    --color-gray: #4f5d75;
    --color-gray-light: #8b96a8;
    --color-gray-lighter: #e8ecf1;
    --color-light: #f8fafc;
    --color-white: #ffffff;
    
    /* Typography */
    --font-primary: 'Work Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-heading: 'Crimson Pro', Georgia, serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Container Width */
    --container-width: 1200px;
    --container-padding: 1.5rem;
}

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

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

body {
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-dark);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: var(--spacing-md);
}

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

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ============================================
   Utility Classes
   ============================================ */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

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

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

.btn-outline {
    background-color: transparent;
    color: var(--color-dark);
    border-color: var(--color-dark);
}

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

.btn-lg {
    padding: 1.125rem 2.5rem;
    font-size: 1.125rem;
}

.btn-block {
    display: block;
    width: 100%;
}

/* ============================================
   Header & Navigation
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all var(--transition-base);
}

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

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem var(--container-padding);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 0.25rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--color-dark);
    border-radius: 2px;
    transition: all var(--transition-base);
}

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

.nav-link {
    font-weight: 500;
    color: var(--color-dark);
    padding: 0.5rem 0;
    position: relative;
    transition: color var(--transition-base);
}

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

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

.nav-cta .btn {
    padding: 0.625rem 1.5rem;
}

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

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1a5f7a 0%, #159895 100%);
    opacity: 0.03;
    z-index: -1;
}

.hero-background::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 150%;
    background: radial-gradient(ellipse at center, rgba(87, 197, 182, 0.15) 0%, transparent 70%);
    animation: pulse 10s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1) rotate(0deg); opacity: 0.15; }
    50% { transform: scale(1.1) rotate(5deg); opacity: 0.25; }
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    color: var(--color-dark);
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
}

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

.hero-title .highlight::after {
    content: '';
    position: absolute;
    bottom: 0.25rem;
    left: 0;
    width: 100%;
    height: 0.375rem;
    background-color: var(--color-accent);
    opacity: 0.3;
    z-index: -1;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    color: var(--color-gray);
    margin-bottom: var(--spacing-xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-3xl);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    max-width: 700px;
    margin: 0 auto;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

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

/* ============================================
   Trust Section
   ============================================ */
.trust-section {
    padding: 2rem 0;
    background-color: var(--color-light);
    border-top: 1px solid var(--color-gray-lighter);
    border-bottom: 1px solid var(--color-gray-lighter);
}

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

.trust-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    justify-content: center;
}

.trust-icon {
    font-size: 2rem;
}

.trust-text {
    font-weight: 600;
    color: var(--color-dark);
}

/* ============================================
   Services Overview Section
   ============================================ */
.services-overview {
    padding: var(--spacing-3xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-gray);
    max-width: 600px;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: var(--color-white);
    border: 2px solid var(--color-gray-lighter);
    border-radius: var(--radius-lg);
    padding: 2.5rem 2rem;
    transition: all var(--transition-base);
    position: relative;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary);
}

.service-card-featured {
    border-color: var(--color-primary);
    background: linear-gradient(135deg, rgba(26, 95, 122, 0.02) 0%, rgba(21, 152, 149, 0.02) 100%);
}

.featured-badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background-color: var(--color-gold);
    color: var(--color-white);
    padding: 0.375rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.service-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.service-title {
    margin-bottom: var(--spacing-sm);
}

.service-description {
    color: var(--color-gray);
    margin-bottom: var(--spacing-md);
}

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

.service-features li {
    padding: 0.5rem 0;
    color: var(--color-gray);
    position: relative;
    padding-left: 1.5rem;
}

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

.service-link {
    color: var(--color-primary);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: gap var(--transition-base);
}

.service-link:hover {
    gap: 0.75rem;
}

/* ============================================
   Detail Sections (Legal & Financial)
   ============================================ */
.detail-section {
    padding: var(--spacing-3xl) 0;
}

.detail-legal {
    background-color: var(--color-light);
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 4rem;
    align-items: center;
}

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

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

.detail-title {
    margin-bottom: var(--spacing-md);
}

.detail-intro {
    font-size: 1.125rem;
    color: var(--color-gray);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

.detail-features {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: var(--spacing-xl);
}

.feature-item {
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
}

.feature-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.feature-content h4 {
    color: var(--color-dark);
    margin-bottom: 0.5rem;
}

.feature-content p {
    color: var(--color-gray);
    margin-bottom: 0;
}

.detail-image {
    width: 100%;
    height: 100%;
    min-height: 400px;
}

.image-placeholder {
    width: 100%;
    height: 100%;
    border-radius: var(--radius-xl);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    position: relative;
    overflow: hidden;
}

.image-placeholder::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120px;
    height: 120px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.legal-image::after {
    content: '⚖️';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 5rem;
    opacity: 0.3;
}

.financial-image::after {
    content: '📊';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 5rem;
    opacity: 0.3;
}

/* ============================================
   Why Us Section
   ============================================ */
.why-us {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-white);
}

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

.benefit-card {
    padding: 2rem;
    text-align: center;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    background-color: var(--color-light);
}

.benefit-card:hover {
    background-color: var(--color-white);
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.benefit-number {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
    opacity: 0.5;
}

.benefit-card h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--color-dark);
}

.benefit-card p {
    color: var(--color-gray);
    margin-bottom: 0;
}

/* ============================================
   Contact Section
   ============================================ */
.contact-section {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, rgba(26, 95, 122, 0.03) 0%, rgba(21, 152, 149, 0.03) 100%);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 4rem;
}

.contact-title {
    margin-bottom: var(--spacing-sm);
}

.contact-subtitle {
    font-size: 1.125rem;
    color: var(--color-gray);
    margin-bottom: var(--spacing-xl);
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: var(--spacing-xl);
}

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

.method-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.method-content h4 {
    margin-bottom: 0.25rem;
}

.method-content p {
    margin-bottom: 0.25rem;
    color: var(--color-dark);
    font-weight: 600;
}

.method-content small {
    color: var(--color-gray);
}

.contact-trust {
    padding: 1.5rem;
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-primary);
}

.trust-message {
    margin-bottom: 0;
    color: var(--color-gray);
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
}

.trust-icon-inline {
    font-size: 1.25rem;
    flex-shrink: 0;
}

/* ============================================
   Contact Form
   ============================================ */
.contact-form-wrapper {
    background-color: var(--color-white);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
    color: var(--color-dark);
}

.form-group input,
.form-group textarea,
.form-group select {
    padding: 0.875rem 1rem;
    border: 2px solid var(--color-gray-lighter);
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 1rem;
    color: var(--color-dark);
    transition: all var(--transition-base);
    background-color: var(--color-white);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(26, 95, 122, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-checkbox {
    flex-direction: row;
    align-items: flex-start;
}

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

.checkbox-label input[type="checkbox"] {
    margin-top: 0.25rem;
    cursor: pointer;
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.checkbox-label span {
    font-weight: 400;
    color: var(--color-gray);
}

.checkbox-label a {
    text-decoration: underline;
}

.form-note {
    font-size: 0.875rem;
    color: var(--color-gray);
    margin-bottom: 0;
    text-align: center;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background-color: var(--color-dark);
    color: var(--color-gray-lighter);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: var(--spacing-xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.footer-description {
    color: var(--color-gray-light);
    line-height: 1.8;
}

.footer-title {
    color: var(--color-white);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a,
.footer-contact li {
    color: var(--color-gray-light);
    transition: color var(--transition-base);
}

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

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-bottom {
    border-top: 1px solid var(--color-dark-light);
    padding-top: var(--spacing-lg);
    text-align: center;
    color: var(--color-gray);
}

.footer-bottom p {
    margin-bottom: 0.5rem;
}

.footer-legal {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

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

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

/* ============================================
   WhatsApp Floating Button
   ============================================ */
.whatsapp-float {
    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: var(--shadow-xl);
    z-index: 999;
    transition: all var(--transition-base);
    animation: pulse-whatsapp 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 15px 30px rgba(37, 211, 102, 0.4);
}

.whatsapp-icon {
    width: 35px;
    height: 35px;
    fill: var(--color-white);
}

@keyframes pulse-whatsapp {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    50% {
        box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
    }
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 968px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--color-white);
        flex-direction: column;
        align-items: flex-start;
        padding: 2rem var(--container-padding);
        gap: 1.5rem;
        transition: left var(--transition-base);
        box-shadow: var(--shadow-lg);
        overflow-y: auto;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-cta {
        width: 100%;
    }
    
    .nav-cta .btn {
        width: 100%;
    }
    
    .hero {
        min-height: auto;
        padding: 6rem 0 3rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .detail-grid {
        gap: 2rem;
    }
    
    .detail-grid-reverse {
        direction: ltr;
    }
    
    .contact-grid {
        gap: 2rem;
    }
    
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 55px;
        height: 55px;
    }
    
    .whatsapp-icon {
        width: 30px;
        height: 30px;
    }
}

@media (max-width: 640px) {
    :root {
        --container-padding: 1rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-form-wrapper {
        padding: 1.5rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    .header,
    .whatsapp-float,
    .nav-toggle {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        color: #000;
        background: #fff;
    }
    
    .container {
        max-width: 100%;
    }
}