/* ================= BODY ================= */
body {
    font-family: 'Montserrat', sans-serif;
    margin: 0;
    padding: 0;
    color: #111;
    background-image: url('../images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
}

/* ================= HEADER ================= */
header {
    padding: 20px;
    text-align: center;
    background: transparent;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

/* ================= HERO ================= */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #fff;
    text-align: center;
    padding: 0 20px;
    background-color: rgba(0,0,0,0.3);
    background-blend-mode: darken;
    position: relative;
    overflow: hidden;
}

.hero img.logo-hero {
    width: 300px;
    max-width: 50%;
    margin-bottom: 30px;
    animation: pulseZoom 3s ease-in-out infinite alternate;
    z-index: 2;
    position: relative;
}

@keyframes pulseZoom {
    0% { transform: scale(1); opacity: 0.9; }
    50% { transform: scale(1.1); opacity: 1; }
    100% { transform: scale(1); opacity: 0.9; }
}

.hero-text {
    z-index: 2;
    position: relative;
}

.hero-text h1 {
    font-size: 2.5em;
    margin-bottom: 20px;
    animation: textFade 2s ease forwards;
}

.hero-text p {
    font-size: 1.2em;
    margin-bottom: 30px;
    animation: textFade 2.5s ease forwards;
}

@keyframes textFade {
    0% { opacity: 0; transform: translateY(20px); }
    100% { opacity: 1; transform: translateY(0); }
}

/* ================= SECCIONES ================= */
section {
    padding: 60px 20px;
    max-width: 900px;
    margin: 40px auto;
    background-color: rgba(255,255,255,0.95);
    border-radius: 10px;
}

.science h2, .about h2, .contact h2, .trust h2, .countdown h2 {
    color: #0a6d3f;
    margin-bottom: 20px;
}

/* ================= FORMULARIOS ================= */
input, select, textarea, button {
    display: block;
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border-radius: 5px;
    border: 1px solid #ccc;
    font-size: 1em;
}

button[type="submit"] {
    background: #0a6d3f;
    color: #fff;
    border: none;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

button[type="submit"]:hover {
    transform: scale(1.03);
    box-shadow: 0 0 10px #0a6d3f;
}

/* ================= LOGOS EN ABOUT US ================= */
.logos {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-top: 20px;
}

.logos img {
    height: 100px;
    width: auto;
    transition: transform 0.3s ease, filter 0.3s ease;
}

.logos img:hover {
    transform: translateY(-10px) scale(1.05);
    filter: drop-shadow(0 0 10px #0a6d3f);
}

/* ================= COUNTDOWN ================= */
.countdown p {
    font-size: 1.5em;
    color: #0a6d3f;
    font-weight: bold;
}

/* ================= MOLECULE BACKGROUND ================= */
#molecule-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}