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

body {
    font-family: "Inter", system-ui, sans-serif;
    background: #f5f6f8;
    color: #222;
    line-height: 1.6;
}

/* ================= NAVBAR ================= */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: #0b0c10;
    padding: 0.8rem 0;
    z-index: 1000;
    box-shadow: 0 3px 10px rgba(0,0,0,0.25);
}

.nav-container {
    max-width: 1100px;
    margin: auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    color: white;
}

.logo img {
    height: 32px;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 1.6rem;
    align-items: center;
}

.nav-link {
    color: #f5f5f5;
    text-decoration: none;
    font-size: 0.95rem;
}

.nav-link:hover {
    color: #45e1c1;
}

/* DROPDOWN */
.nav-item--dropdown {
    position: relative;
}

.dropdown-btn {
    background: none;
    border: none;
    color: #f5f5f5;
    cursor: pointer;
    font-size: 0.95rem;
}

.dropdown-btn:hover {
    color: #45e1c1;
}

.dropdown {
    position: absolute;
    display: none;
    top: 120%;
    right: 0;
    background: #15161d;
    min-width: 200px;
    border-radius: 8px;
    padding: 0.5rem 0;
    box-shadow: 0 8px 20px rgba(0,0,0,0.35);
}

.dropdown li a {
    display: block;
    color: #eee;
    padding: 0.7rem 1rem;
    text-decoration: none;
}

.dropdown li a:hover {
    background: #20222c;
    color: #45e1c1;
}

.dropdown.open {
    display: block;
}

/* HAMBURGUESA */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: #fff;
}

/* HERO */
.hero {
    padding-top: 110px;
    min-height: 80vh;
    background: linear-gradient(135deg, #0b0c10, #171b22);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

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

.hero h1 {
    font-size: clamp(2rem, 4vw, 3rem);
}

.hero p {
    margin-top: 1rem;
    opacity: 0.9;
}

.btn {
    display: inline-block;
    margin-top: 1.8rem;
    background: #45e1c1;
    padding: 0.75rem 1.7rem;
    border-radius: 30px;
    text-decoration: none;
    color: #0b0c10;
    font-weight: 600;
}

.btn:hover {
    background: #33c9ac;
}

/* SECTIONS */
.section {
    padding: 4rem 1.5rem;
    text-align: center;
}

.section-alt {
    background: #ffffff;
}

.cards {
    margin-top: 2rem;
    display: grid;
    gap: 1.2rem;
}

@media (min-width: 768px) {
    .cards {
        grid-template-columns: repeat(3, 1fr);
    }
}

.card {
    background: #fff;
    padding: 1.8rem;
    border-radius: 12px;
    box-shadow: 0 3px 12px rgba(0,0,0,0.07);
}

.card h3 {
    margin-bottom: 0.5rem;
}

/* FOOTER */
.footer {
    background: #0b0c10;
    color: #bbb;
    text-align: center;
    padding: 2rem 1rem;
}

/* BOTÓN FLOTANTE */
.contact-fab {
    position: fixed;
    bottom: 25px;
    right: 25px;
    background: #45e1c1;
    border: none;
    width: 55px;
    height: 55px;
    border-radius: 50%;
    font-size: 1.6rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0,0,0,0.25);
}

/* MODAL */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 2000;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.5);
}

.modal-dialog {
    background: #fff;
    width: 95%;
    max-width: 420px;
    margin: 8% auto;
    padding: 2rem;
    border-radius: 12px;
    position: relative;
    z-index: 2001;
}

.modal-close {
    position: absolute;
    top: 10px;
    right: 14px;
    cursor: pointer;
    background: none;
    border: none;
    font-size: 1.4rem;
}

.modal-text {
    color: #555;
    margin-bottom: 1rem;
}

form input,
form textarea {
    width: 100%;
    padding: 0.8rem;
    margin-bottom: 0.9rem;
    border-radius: 6px;
    border: 1px solid #ccc;
}

.btn-full {
    width: 100%;
}

/* ANIMACIONES */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: 0.7s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* RESPONSIVE NAV */
@media (max-width: 768px) {

    .nav-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 70px;
        right: -260px;
        width: 240px;
        height: calc(100vh - 70px);
        background: #0b0c10;
        flex-direction: column;
        padding: 2rem 1.5rem;
        gap: 1.5rem;
        transition: right 0.3s ease;
    }

    .nav-links.open {
        right: 0;
    }

    .dropdown {
        position: static;
        background: none;
        box-shadow: none;
        padding-left: 1rem;
    }

}