:root {
    /* Colors */
    --forest-green: #1A3626;
    --forest-green-light: #2A4F3A;
    --terracotta: #C27B5C;
    --terracotta-dark: #A36248;
    --beige: #F5F2EB;
    --beige-dark: #E6E1D3;
    --white: #FFFFFF;
    --text-dark: #222222;
    --text-light: #666666;
    
    /* Typography */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
    
    /* Layout */
    --container-width: 1200px;
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--text-dark);
    background-color: var(--beige);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

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

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

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

/* Typography elements */
h1, h2, h3, h4, .logo {
    font-family: var(--font-heading);
    color: var(--forest-green);
    font-weight: 600;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    position: relative;
    padding-bottom: 1rem;
}

.section-title.text-center::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--terracotta);
}

.section-title:not(.text-center)::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--terracotta);
}

/* Buttons */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background-color: var(--forest-green);
    color: var(--white);
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 500;
    border-radius: 4px;
    transition: var(--transition);
    border: 1px solid var(--forest-green);
}

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

.btn-primary-outline {
    display: inline-block;
    border: 1px solid var(--forest-green);
    color: var(--forest-green);
    padding: 0.5rem 1.5rem;
    border-radius: 4px;
    font-weight: 500;
}

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

.btn-secondary {
    display: inline-block;
    background-color: var(--terracotta);
    color: var(--white);
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 500;
    border-radius: 4px;
    margin-top: 1.5rem;
}

.btn-secondary:hover {
    background-color: var(--terracotta-dark);
}

/* Header */
#main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: transparent;
    padding: 1.5rem 0;
    z-index: 100;
    transition: var(--transition);
}

#main-header.scrolled {
    background-color: var(--beige);
    padding: 1rem 0;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}

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

.logo {
    font-size: 1.8rem;
    color: var(--forest-green);
    display: flex;
    align-items: center;
}

.logo-img {
    height: 40px;
    width: auto;
}

#main-header:not(.scrolled) .logo {
    color: var(--white);
}

nav {
    display: flex;
    gap: 2rem;
}

nav a {
    font-size: 0.95rem;
    font-weight: 500;
    position: relative;
}

#main-header:not(.scrolled) nav a {
    color: var(--white);
}

nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--terracotta);
    transition: var(--transition);
}

nav a:hover::after {
    width: 100%;
}

#main-header:not(.scrolled) .btn-primary-outline {
    border-color: var(--white);
    color: var(--white);
}
#main-header:not(.scrolled) .btn-primary-outline:hover {
    background-color: var(--white);
    color: var(--forest-green);
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(26, 54, 38, 0.8) 0%, rgba(26, 54, 38, 0.3) 100%);
}

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

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

.hero-text h1 {
    color: var(--white);
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-text h1 span {
    color: var(--terracotta);
    font-style: italic;
}

.hero-text h2 {
    color: var(--beige);
    font-size: 1.25rem;
    font-weight: 400;
    font-family: var(--font-body);
    margin-bottom: 2.5rem;
}

/* Diferencia Biológica */
.diferencia {
    padding: 6rem 0;
    background-color: var(--white);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    margin-top: 4rem;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    margin-top: 2rem;
}

/* Especialización Geográfica */
.especializacion {
    padding: 6rem 0 2rem 0;
    background-color: var(--white);
}

.especializacion-card {
    padding: 3rem;
    background-color: var(--beige);
    border-radius: 8px;
    border-left: 4px solid var(--terracotta);
    transition: transform 0.3s ease;
}

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

.especializacion-card .icon-wrapper {
    margin: 0 0 1.5rem 0;
}

/* Proceso Guante Blanco */
.proceso {
    padding: 6rem 0;
    background-color: var(--beige-dark);
}

.proceso-step {
    text-align: center;
    padding: 2rem 2rem 3rem;
    background-color: var(--white);
    border-radius: 8px;
    position: relative;
    transition: transform 0.3s ease;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    margin-top: 2rem;
}

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

.step-number {
    width: 60px;
    height: 60px;
    background-color: var(--terracotta);
    color: var(--white);
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: -40px auto 1.5rem;
    border: 4px solid var(--white);
}

.btn-large {
    display: block;
    text-align: center;
    width: 100%;
    padding: 1.25rem 2rem;
}

.feature-card {
    text-align: center;
    padding: 2rem;
    background-color: var(--beige);
    border-radius: 8px;
    transition: transform 0.3s ease;
}

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

.icon-wrapper {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background-color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--terracotta);
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.feature-card h3 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.feature-card p {
    color: var(--text-light);
}

/* Portafolio */
.portafolio {
    padding: 6rem 0;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 2rem;
}

.portfolio-item {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.1);
}

.portfolio-item:nth-child(1) { grid-column: span 8; }
.portfolio-item:nth-child(2) { grid-column: span 4; }
.portfolio-item:nth-child(3) { grid-column: span 12; }

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.7s ease;
}

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

.portfolio-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 2rem;
    background: linear-gradient(to top, rgba(26,54,38,0.9), transparent);
    color: var(--white);
}

.portfolio-caption h3 {
    color: var(--white);
    font-size: 1.5rem;
    margin: 0;
}

/* Autoridad */
.autoridad {
    padding: 6rem 0;
    background-color: var(--white);
}

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

.autoridad-img {
    position: relative;
}

.autoridad-img img {
    border-radius: 8px;
    box-shadow: -20px 20px 0 var(--beige-dark);
}

.autoridad-text .subtitle {
    font-size: 1.25rem;
    color: var(--terracotta);
    font-family: var(--font-body);
    font-weight: 500;
    margin-bottom: 2rem;
}

.autoridad-text p {
    margin-bottom: 1.5rem;
    color: var(--text-light);
    font-size: 1.1rem;
}

/* FAQ */
.faq {
    padding: 6rem 0;
    background-color: #F0EFEA;
}

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

.accordion {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.accordion-item {
    background-color: var(--white);
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.03);
    overflow: hidden;
}

.accordion-question {
    width: 100%;
    text-align: left;
    padding: 1.5rem 2rem;
    background: none;
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-family: var(--font-heading);
    font-size: 1.25rem;
    color: var(--forest-green);
    font-weight: 600;
    transition: var(--transition);
}

.accordion-question:hover {
    color: var(--terracotta);
}

.icon-plus {
    font-size: 1rem;
    color: var(--terracotta);
    transition: transform 0.3s ease;
}

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

.accordion-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    padding: 0 2rem;
}

.accordion-item.active .accordion-answer {
    padding: 0 2rem 1.5rem 2rem;
}

.accordion-answer p {
    color: var(--text-light);
    margin: 0;
}

/* Footer */
.footer {
    background-color: var(--forest-green);
    color: var(--beige);
    padding: 5rem 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer .logo {
    color: var(--white);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
}

.logo-img-footer {
    height: 60px;
    width: auto;
}

.footer h4 {
    color: var(--terracotta);
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

.footer ul {
    list-style: none;
}

.footer ul li {
    margin-bottom: 0.5rem;
    color: rgba(255,255,255,0.7);
}

.whatsapp-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--white);
    font-weight: 500;
}

.whatsapp-link:hover {
    color: var(--terracotta);
}

.footer-bottom {
    background-color: rgba(0,0,0,0.2);
    padding: 1.5rem 0;
    text-align: center;
    color: rgba(255,255,255,0.5);
    font-size: 0.9rem;
}

/* WhatsApp Flotante */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    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: 0 4px 15px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: transform 0.3s ease;
}

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

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* Responsive */
@media (max-width: 992px) {
    .grid-3, .grid-2 {
        grid-template-columns: repeat(2, 1fr);
    }
    .portfolio-item:nth-child(1),
    .portfolio-item:nth-child(2),
    .portfolio-item:nth-child(3) {
        grid-column: span 12;
    }
    .autoridad-layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    .autoridad-img img {
        box-shadow: -15px 15px 0 var(--beige-dark);
    }
}

@media (max-width: 768px) {
    .hero-text h1 {
        font-size: 2.5rem;
    }
    .grid-3, .grid-2 {
        grid-template-columns: 1fr;
    }
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    nav, .hidden-mobile {
        display: none;
    }
}