:root {
    --primary: #00926b;
    --primary-light: #00b37d;
    --muted: #757575;
    --card: #222222;
    --bg: #d3d3d3;
    --radius: 10px;
    --gap: 16px;
    --containers: #f9f9f9;
    --header: #111111;
}

.btn,
.btn-comprar {
    box-sizing: border-box;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 33px;
    padding: 10px 16px;
    border: 1px solid transparent;
    border-radius: 6px;
    background: var(--primary);
    color: #fff;
    font: inherit;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.2;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: transform 160ms ease, background-color 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.btn:not(:disabled):hover,
.btn-comprar:not(:disabled):hover {
    transform: translateY(-1px);
    background: #007b5b;
    box-shadow: 0 4px 12px rgba(0, 146, 107, 0.18);
}

.btn.ghost,
.btn-comprar.secundario {
    border-color: #bdd8ca;
    background: #fff;
    color: #176247;
    box-shadow: none;
}

.btn.ghost:not(:disabled):hover,
.btn-comprar.secundario:not(:disabled):hover {
    border-color: #bdd8ca;
    background: #edf7f1;
    color: #15563f;
}

.btn:disabled,
.btn-comprar:disabled {
    transition: none;
    transform: none;
    border-color: transparent;
    background: #ccc;
    color: #fff;
    box-shadow: none;
    cursor: not-allowed;
}

.btn:focus-visible,
.btn-comprar:focus-visible {
    outline: 3px solid rgba(0, 146, 107, 0.3);
    outline-offset: 2px;
}

header {
    width: 100%;
    box-sizing: border-box;
    padding: 15px 20px;
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: var(--header);
    color: white;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
}

.header-container {
    max-width: 1100px;
    margin: 0 auto;
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    height: 90px;
    width: auto;
}

.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 25px;
    height: 20px;
    cursor: pointer;
    z-index: 1100;
}

.hamburger div {
    height: 3px;
    background-color: #f1f1f1;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.hamburger.active div:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active div:nth-child(2) {
    opacity: 0;
}

.hamburger.active div:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.navbar {
    display: flex;
    align-items: center;
}

.navbar a {
    color: #ffffff;
    text-decoration: none;
    margin-left: 20px;
    font-weight: 600;
    font-size: 16px;
    position: relative;
    transition: color 0.3s ease, transform 0.3s ease;
}

.navbar a::after {
    content: "";
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0%;
    height: 2px;
    background-color: var(--primary-light);
    transition: width 0.3s ease;
}

.navbar a:hover {
    color: #fff;
    transform: translateY(-2px);
}

.navbar a:hover::after {
    width: 100%;
}

input[type="text"],
input[type="number"],
input[type="password"],
input[type="email"],
input[type="search"],
input[type="url"],
input[type="tel"],
textarea,
select {
    width: 100%;
    padding: 10px;
    border-radius: 8px;
    border: 1px solid #afafaf;
    color: #333;
    transition: border-color 0.2s ease;
}

input[type="text"]:focus,
input[type="number"]:focus,
input[type="password"]:focus,
input[type="email"]:focus,
input[type="search"]:focus,
input[type="url"]:focus,
input[type="tel"]:focus,
textarea:focus,
select:focus {
    border-color: #00b686;
    box-shadow: 0 0 5px #ebebeb;
    outline: none;
}

footer {
    max-width: 1200px;
    margin: 30px auto;
    padding: 20px;
    color: var(--muted);
    font-size: 13px;
    text-align: center;
}

.alfa-footer-trust {
    max-width: 1200px;
    border-top: 1px solid #bebebe;
    color: #333333;
    font-family: 'Poppins', sans-serif;
    padding: 40px 20px 20px;
    margin-top: 60px;
    font-size: 13px;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
}

.footer-container h3 p {
    color: var(--muted);
}

.footer-col h3 {
    color: #505050;
    font-size: 16px;
    font-weight: 700;
    margin: 0 0 10px;
}

.footer-col h4 {
    color: #505050;
    font-size: 14px;
    font-weight: 600;
    margin: 0 0 10px;
}

.footer-col p {
    margin: 4px 0;
    line-height: 1.5;
    color: #333333;
}

.footer-col p a {
    color: inherit;
    text-decoration: none;
    transition: color 160ms ease;
}

.footer-col p a:hover,
.footer-col p a:focus-visible {
    color: var(--primary);
    text-decoration: underline;
}

.trust-badge {
    margin-top: 8px !important;
    color: #006b4f;
    font-weight: 600;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 6px;
}

.footer-links a {
    color: #111111;
    text-decoration: none;
    font-weight: 500;
}

.footer-links a:hover {
    text-decoration: underline;
}

.footer-bottom {
    max-width: 1200px;
    margin: 30px auto 0;
    padding-top: 20px;
    border-top: 1px solid #bebebe;
    text-align: center;
    color: #444444;
    font-size: 12px;
}

.footer-bottom p {
    color: var(--muted);
}

@media (max-width: 700px) {
    .btn,
    .btn-comprar {
        min-height: 44px;
        padding: 9px 12px;
        font-size: 13px;
    }
}