:root {
    --primary: #0a5c4a;
    --primary-light: #12826a;
    --primary-dark: #074034;
    --accent: #2ecc71;
    --dark: #0a1210;
    --light: #f8faf9;
    --white: #ffffff;
    --glass: rgba(255, 255, 255, 0.7);
    --glass-dark: rgba(10, 92, 74, 0.05);
    --shadow-soft: 0 10px 40px rgba(0,0,0,0.06);
    --shadow-strong: 0 20px 60px rgba(0,0,0,0.12);
    --radius: 24px;
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Montserrat', sans-serif;
    color: var(--dark);
    background-color: var(--light);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3 {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
}

.container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 32px;
}

/* Header & Nav */
.header {
    padding: 24px 0;
    position: fixed;
    width: 100%;
    top: 0;
    background: var(--glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255,255,255,0.3);
    transition: var(--transition);
}

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

.logo-text {
    font-size: 1.6rem;
    color: var(--primary);
    text-decoration: none;
}

.highlight {
    color: var(--primary-light);
    font-style: italic;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 40px;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-light);
    transition: var(--transition);
}

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

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

/* Buttons */
.btn-primary, .btn-whatsapp, .btn-outline, .btn-secondary {
    padding: 14px 32px;
    border-radius: 60px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    display: inline-block;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
    box-shadow: 0 8px 20px rgba(10, 92, 74, 0.2);
}

.btn-primary:hover {
    background: var(--primary-light);
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(10, 92, 74, 0.3);
}

.btn-whatsapp {
    background: #25d366;
    color: var(--white);
    display: flex;
    align-items: center;
    gap: 10px;
}

.btn-whatsapp:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.3);
}

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

.btn-outline:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-3px);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: radial-gradient(circle at 70% 30%, rgba(46, 204, 113, 0.05) 0%, transparent 50%),
                linear-gradient(135deg, #ffffff 0%, #f0f4f3 100%);
    padding-top: 100px;
    position: relative;
}

.hero::after {
    content: "";
    position: absolute;
    right: 5%;
    width: 45%;
    height: 70%;
    background: url('assets/interior.png') no-repeat center;
    background-size: cover;
    border-radius: var(--radius);
    box-shadow: var(--shadow-strong);
    z-index: 1;
    animation: floating 6s ease-in-out infinite;
}

@keyframes floating {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.hero-content {
    max-width: 650px;
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 4.8rem;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--primary-dark);
}

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

.hero p {
    font-size: 1.25rem;
    max-width: 540px;
    margin-bottom: 40px;
    color: #4a5552;
}

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

/* Services */
.services {
    padding: 120px 0;
}

.section-title {
    text-align: center;
    font-size: 3.2rem;
    margin-bottom: 64px;
    color: var(--primary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.service-card {
    padding: 48px;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
    text-align: left;
    border: 1px solid rgba(0,0,0,0.02);
}

.service-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-strong);
    border-color: rgba(46, 204, 113, 0.2);
}

.service-card .icon {
    font-size: 3.5rem;
    margin-bottom: 24px;
    display: inline-block;
    filter: drop-shadow(0 4px 10px rgba(0,0,0,0.1));
}

.service-card h3 {
    margin-bottom: 16px;
    font-size: 1.6rem;
    color: var(--primary-dark);
}

/* Lab Section */
.lab {
    padding: 120px 0;
    background: var(--primary-dark);
    color: var(--white);
    overflow: hidden;
}

.lab-flex {
    display: flex;
    align-items: center;
    gap: 80px;
}

.lab-text {
    flex: 1;
}

.lab-text h2 {
    font-size: 3.5rem;
    margin-bottom: 24px;
}

.lab-text p {
    font-size: 1.15rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

.lab-visual {
    flex: 1;
    height: 500px;
    background: url('assets/experto.png') no-repeat center;
    background-size: cover;
    border-radius: var(--radius);
    position: relative;
    box-shadow: 0 30px 60px rgba(0,0,0,0.4);
}

.lab-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--accent);
    padding: 16px 32px;
    border-radius: 40px;
    font-weight: 700;
    color: var(--primary-dark);
    box-shadow: 0 10px 30px rgba(46, 204, 113, 0.4);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Footer */
.footer {
    padding: 100px 0 40px;
    background: var(--dark);
    color: rgba(255,255,255,0.6);
}

.footer h3 {
    color: var(--white);
    margin-bottom: 24px;
    font-size: 1.8rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 60px;
    margin-bottom: 80px;
}

.copyright {
    text-align: center;
    font-size: 0.85rem;
    border-top: 1px solid rgba(255,255,255,0.05);
    padding-top: 40px;
}

/* Responsive */
@media (max-width: 1200px) {
    .hero::after { display: none; }
    .hero-content { max-width: 100%; text-align: center; margin: 0 auto; }
    .hero-btns { justify-content: center; }
}

@media (max-width: 768px) {
    .hero h1 { font-size: 3.2rem; }
    .lab-flex { flex-direction: column; }
    .nav-links { display: none; }
    .section-title { font-size: 2.5rem; }
}