/* =========================================
   CSS Variables & Design Tokens
========================================= */
:root {
    /* Colors */
    --primary: #1D3C78; /* Azul Marino / Zafiro */
    --primary-light: #2a52a3;
    --primary-dark: #12254a;
    --accent: #54C7EC; /* Celeste Agua / Cian */
    --accent-hover: #3bbde6;
    --text-main: #4A4A4A; /* Gris Cálido */
    --text-light: #718096;
    --bg-main: #FFFFFF;
    --bg-light: #F8FAFC; /* Slate 50 */
    --white: #FFFFFF;
    
    /* Typography */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Shadows */
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-glow: 0 0 20px rgba(84, 199, 236, 0.4);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

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

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

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 100px 0;
}

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

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    width: 60px;
    height: 4px;
    background-color: var(--accent);
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* =========================================
   Buttons
========================================= */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    font-family: var(--font-heading);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: none;
    outline: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), #3da8cc);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(84, 199, 236, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #3bbde6, #2d94b8);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(84, 199, 236, 0.4);
    color: var(--white);
}

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

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

.btn-lg {
    padding: 16px 40px;
    font-size: 1.1rem;
}

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

.btn-link {
    color: var(--accent);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

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

.btn-link:hover i {
    transform: translateX(5px);
}

/* =========================================
   Navbar (Glassmorphism)
========================================= */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    padding: 15px 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
}

.navbar.navbar-hidden {
    transform: translateY(-100%);
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--white);
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo i {
    color: var(--accent);
}

.logo span {
    font-weight: 400;
}

.navbar.scrolled .logo {
    color: var(--primary);
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: var(--white);
    font-weight: 500;
    font-size: 1rem;
    position: relative;
}

.navbar.scrolled .nav-links a {
    color: var(--primary);
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background-color: var(--accent);
    bottom: -5px;
    left: 0;
    transition: width var(--transition-normal);
}

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
}

.navbar.scrolled .mobile-menu-btn {
    color: var(--primary);
}

/* =========================================
   Hero Section
========================================= */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    background: url('assets/hero.webp') no-repeat center center/cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(29, 60, 120, 0.9), rgba(29, 60, 120, 0.5));
}

.hero-content {
    position: relative;
    z-index: 1;
    color: var(--white);
    max-width: 800px;
}

.badge {
    display: inline-block;
    padding: 6px 16px;
    background: #D4AF37;
    border: none;
    border-radius: 30px;
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--primary);
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.4);
}

.hero h1 {
    font-size: 4rem;
    color: var(--white);
    margin-bottom: 20px;
}

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

.hero p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    max-width: 600px;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

/* =========================================
   Features Cards (Overlapping Hero)
========================================= */
.features {
    margin-top: -80px;
    position: relative;
    z-index: 10;
}

.features-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: var(--bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.8rem;
    color: var(--accent);
    transition: background var(--transition-normal), color var(--transition-normal);
}

.feature-card:hover .feature-icon {
    background: var(--accent);
    color: var(--white);
}

.feature-card h3 {
    margin-bottom: 10px;
    font-size: 1.3rem;
}

.feature-card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* =========================================
   Before/After Slider
========================================= */
.slider-container {
    position: relative;
    width: 100%;
    max-width: 800px;
    height: 450px;
    margin: 0 auto;
    overflow: hidden;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    cursor: ew-resize;
}

.image-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    pointer-events: none;
}

.image-container.after {
    clip-path: inset(0 0 0 50%);
}

.slider-handle {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 40px;
    transform: translateX(-50%);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10;
    pointer-events: none;
}

.slider-line {
    position: absolute;
    width: 4px;
    height: 100%;
    background: var(--white);
    box-shadow: 0 0 10px rgba(0,0,0,0.5);
}

.slider-button {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--accent);
    color: var(--white);
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 0 10px rgba(0,0,0,0.5);
    z-index: 11;
    border: 3px solid var(--white);
}

.label {
    position: absolute;
    top: 20px;
    padding: 8px 16px;
    background: rgba(0,0,0,0.6);
    color: var(--white);
    border-radius: 30px;
    font-weight: 600;
    backdrop-filter: blur(5px);
    pointer-events: none;
}

.label-before { left: 20px; }
.label-after { right: 20px; }

@media (max-width: 768px) {
    .slider-container { height: 300px; }
}

/* =========================================
   Services Section
========================================= */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    border: 1px solid rgba(0,0,0,0.05);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.service-img {
    height: 240px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.service-card:hover .service-img::after {
    content: '';
    position: absolute;
    top:0; left:0; right:0; bottom:0;
    background: rgba(84, 199, 236, 0.2);
}

.service-content {
    padding: 30px;
}

.service-content h3 {
    margin-bottom: 15px;
    font-size: 1.4rem;
}

.service-content p {
    color: var(--text-light);
    margin-bottom: 20px;
    font-size: 0.95rem;
}

/* =========================================
   About Section
========================================= */
.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.about-text p {
    margin-bottom: 20px;
    font-size: 1.1rem;
    color: var(--text-light);
}

.about-list {
    margin-top: 30px;
}

.about-list li {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 1.05rem;
    font-weight: 500;
}

.about-list li i {
    color: var(--accent);
    background: rgba(84, 199, 236, 0.1);
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.about-image {
    position: relative;
}

.img-wrapper {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.img-wrapper img {
    width: 100%;
    display: block;
    transition: transform var(--transition-slow);
}

.img-wrapper:hover img {
    transform: scale(1.05);
}

.experience-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: #D4AF37;
    color: var(--primary);
    padding: 30px;
    border-radius: 50%;
    width: 160px;
    height: 160px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    box-shadow: var(--shadow-lg);
    border: 8px solid var(--bg-light);
}

.experience-badge .number {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1;
    color: var(--primary);
}

.experience-badge .text {
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* =========================================
   Process Section
========================================= */
.process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    position: relative;
    margin-top: 40px;
}

/* Connecting line */
.process-steps::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: repeating-linear-gradient(to right, var(--primary) 0, var(--primary) 5px, transparent 5px, transparent 10px);
    z-index: 0;
}

.step-card {
    background: var(--white);
    padding: 30px 20px;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    position: relative;
    z-index: 1;
    transition: transform var(--transition-normal);
}

.step-card:hover {
    transform: translateY(-10px);
}

.step-icon {
    width: 80px;
    height: 80px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2rem;
    margin: 0 auto 20px auto;
    position: relative;
    border: 5px solid var(--bg-light); /* To cover the line */
}

.step-number {
    position: absolute;
    bottom: -5px;
    right: -5px;
    background: var(--accent);
    color: var(--white);
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1rem;
    font-weight: bold;
    border: 3px solid var(--white);
}

.step-card h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
}

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

@media (max-width: 992px) {
    .process-steps {
        grid-template-columns: repeat(2, 1fr);
    }
    .process-steps::before {
        display: none; /* Hide line on tablet/mobile */
    }
}

@media (max-width: 576px) {
    .process-steps {
        grid-template-columns: 1fr;
    }
}

/* =========================================
   Testimonials Section
========================================= */
.testimonials {
    background: linear-gradient(135deg, var(--bg-light), #e4f0f6);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.testimonial-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 40px 30px;
    border-radius: 20px;
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.4);
    transition: transform var(--transition-normal);
}

.testimonial-card:hover {
    transform: translateY(-5px);
}

.stars {
    color: #FFD700;
    margin-bottom: 15px;
}

.testimonial-card p {
    font-size: 1.05rem;
    font-style: italic;
    margin-bottom: 25px;
    color: var(--text-main);
}

.author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--primary);
    color: var(--white);
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: bold;
    font-size: 1.2rem;
}

.author h4 {
    margin-bottom: 0;
    font-size: 1rem;
}

.author span {
    font-size: 0.85rem;
    color: var(--text-light);
}

@media (max-width: 992px) {
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
}

/* =========================================
   FAQ Section
========================================= */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.faq-item {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.faq-question {
    width: 100%;
    text-align: left;
    padding: 20px 25px;
    background: transparent;
    border: none;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-main);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: color var(--transition-fast);
}

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

.faq-question i {
    color: var(--primary);
    transition: transform var(--transition-normal);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal) ease-out;
}

.faq-answer p {
    padding: 0 25px 20px 25px;
    color: var(--text-light);
    margin: 0;
}

/* =========================================
   Contact Section
========================================= */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.contact-info p {
    color: var(--text-light);
    margin-bottom: 40px;
    font-size: 1.1rem;
}

.info-items {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.info-item .icon {
    width: 60px;
    height: 60px;
    background: rgba(84, 199, 236, 0.1);
    color: var(--accent);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.info-item h4 {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.info-item p {
    margin-bottom: 0;
    font-size: 1rem;
    color: var(--text-main);
}

.contact-form-wrapper {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
}

.contact-form h3 {
    margin-bottom: 30px;
    font-size: 1.8rem;
    text-align: center;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: 1rem;
    background-color: var(--bg-light);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(84, 199, 236, 0.2);
    background-color: var(--white);
}

/* =========================================
   Footer
========================================= */
footer {
    background-color: var(--primary-dark);
    color: var(--white);
    padding-top: 80px;
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-logo {
    margin-bottom: 20px;
}

.footer-brand p {
    color: #cbd5e1;
    max-width: 300px;
}

.footer-links h4,
.footer-social h4 {
    color: var(--white);
    margin-bottom: 25px;
    font-size: 1.2rem;
}

.footer-links a {
    display: block;
    color: #cbd5e1;
    margin-bottom: 12px;
}

.footer-links a:hover {
    color: var(--accent);
    padding-left: 5px;
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icons a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.social-icons a:hover {
    background: var(--accent);
    transform: translateY(-3px);
}

.footer-bottom {
    background-color: #0d1b36;
    padding: 20px 0;
    text-align: center;
    color: #94a3b8;
    font-size: 0.9rem;
}

/* =========================================
   WhatsApp Floating Button & Tooltip
========================================= */
.whatsapp-container {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 100;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.whatsapp-tooltip {
    background: var(--white);
    color: var(--text-main);
    padding: 12px 20px;
    border-radius: 15px 15px 0 15px;
    box-shadow: var(--shadow-lg);
    margin-bottom: 15px;
    font-size: 0.95rem;
    font-weight: 500;
    position: relative;
    opacity: 0;
    transform: translateY(20px) scale(0.9);
    pointer-events: none;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    align-items: center;
    gap: 10px;
}

.whatsapp-tooltip.show {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

/* Little triangle pointer */
.whatsapp-tooltip::after {
    content: '';
    position: absolute;
    bottom: -8px;
    right: 20px;
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-top: 10px solid var(--white);
}

.tooltip-close {
    cursor: pointer;
    color: var(--text-light);
    font-size: 0.8rem;
    padding: 5px;
}

.tooltip-close:hover {
    color: var(--text-main);
}

.whatsapp-float {
    background-color: #25D366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 35px;
    box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.2);
    transition: transform var(--transition-fast);
}

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

/* =========================================
   Responsive Design
========================================= */
@media (max-width: 992px) {
    .hero h1 {
        font-size: 3rem;
    }
    
    .features-container {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-container {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        order: -1;
        margin-bottom: 40px;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
    }
    
    .footer-container {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        flex-direction: column;
        align-items: center;
        padding: 20px 0;
        box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-links a {
        color: var(--primary) !important;
        padding: 10px 0;
    }

    .nav-btn {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .features-container {
        grid-template-columns: 1fr;
    }
    
    .features {
        margin-top: 0;
        padding-top: 60px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
    }
    
    .experience-badge {
        width: 120px;
        height: 120px;
        bottom: -10px;
        right: -10px;
    }
    
    .experience-badge .number {
        font-size: 2rem;
    }
}