.site-header {
    position: fixed;
    z-index: 1000;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.88);
    border-bottom: 1px solid transparent;
    backdrop-filter: blur(18px);
    transition: height var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.site-header.scrolled {
    height: 72px;
    border-bottom-color: var(--color-border);
    box-shadow: 0 10px 30px rgba(29, 57, 49, 0.06);
}

.nav-shell {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    flex: 0 0 auto;
}

.brand img {
    width: 185px;
    height: auto;
}

.desktop-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    font-size: 0.93rem;
    font-weight: 650;
}

.desktop-nav a {
    position: relative;
    padding: 12px 0;
}

.desktop-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 6px;
    width: 100%;
    height: 2px;
    border-radius: 99px;
    background: var(--color-primary);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition);
}

.desktop-nav a:hover::after,
.desktop-nav a:focus-visible::after {
    transform: scaleX(1);
    transform-origin: left;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.icon {
    font-size: 0.85em;
}

.btn {
    min-height: 46px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    padding: 12px 20px;
    border: 1px solid transparent;
    border-radius: var(--radius-pill);
    cursor: pointer;
    font-weight: 750;
    line-height: 1;
    transition:
        transform var(--transition),
        background var(--transition),
        color var(--transition),
        border-color var(--transition),
        box-shadow var(--transition);
}

.btn:hover {
    transform: translateY(-2px);
}

.btn:focus-visible,
.menu-toggle:focus-visible,
.faq-question:focus-visible,
.service-tab:focus-visible,
.choice-card:focus-visible,
.stacked-options button:focus-visible {
    outline: 3px solid rgba(216, 185, 138, 0.55);
    outline-offset: 3px;
}

.btn-primary {
    color: var(--color-white);
    background: var(--color-primary);
    box-shadow: 0 10px 25px rgba(49, 95, 84, 0.22);
}

.btn-primary:hover {
    background: var(--color-primary-strong);
    box-shadow: 0 14px 32px rgba(49, 95, 84, 0.28);
}

.btn-secondary {
    color: var(--color-primary-strong);
    background: var(--color-sand);
    border-color: rgba(167, 109, 73, 0.12);
}

.btn-ghost {
    color: var(--color-primary);
    background: transparent;
    border-color: rgba(49, 95, 84, 0.24);
}

.btn-light {
    color: var(--color-primary-strong);
    background: var(--color-white);
}

.btn-sm {
    min-height: 40px;
    padding: 10px 16px;
    font-size: 0.9rem;
}

.btn-lg {
    min-height: 54px;
    padding: 16px 24px;
}

.btn-full {
    width: 100%;
}

.text-link {
    display: inline-flex;
    padding: 0;
    color: var(--color-primary);
    background: transparent;
    cursor: pointer;
    font-weight: 750;
}

.text-link::after {
    content: "→";
    margin-left: 8px;
    transition: transform var(--transition);
}

.text-link:hover::after {
    transform: translateX(4px);
}

.menu-toggle {
    width: 46px;
    height: 46px;
    display: none;
    place-items: center;
    gap: 4px;
    padding: 11px;
    border-radius: 14px;
    color: var(--color-primary);
    background: var(--color-soft);
    cursor: pointer;
}

.menu-toggle span {
    width: 23px;
    height: 2px;
    display: block;
    background: currentColor;
    transition: transform var(--transition), opacity var(--transition);
}

.menu-toggle.active span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

.mobile-nav {
    position: fixed;
    inset: var(--header-height) 0 0;
    padding: 18px;
    background: rgba(18, 43, 37, 0.42);
    backdrop-filter: blur(8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition), visibility var(--transition);
}

.mobile-nav.open {
    opacity: 1;
    visibility: visible;
}

.mobile-nav-inner {
    max-height: calc(100vh - var(--header-height) - 30px);
    overflow-y: auto;
    display: grid;
    gap: 4px;
    padding: 20px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-white);
    box-shadow: var(--shadow-lg);
}

.mobile-nav-inner > a {
    padding: 13px 14px;
    border-radius: 12px;
    font-weight: 700;
}

.mobile-nav-inner > a:hover {
    background: var(--color-soft);
}

.mobile-nav-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 12px;
    padding-top: 16px;
    border-top: 1px solid var(--color-border);
}

.modal {
    position: fixed;
    z-index: 3000;
    inset: 0;
    display: grid;
    place-items: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition), visibility var(--transition);
}

.modal.open {
    opacity: 1;
    visibility: visible;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 39, 33, 0.68);
    backdrop-filter: blur(8px);
}

.modal-panel {
    position: relative;
    z-index: 1;
    max-height: calc(100vh - 40px);
    overflow-y: auto;
    padding: 36px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-lg);
    background: var(--color-white);
    box-shadow: var(--shadow-lg);
    transform: translateY(20px) scale(0.98);
    transition: transform var(--transition);
}

.modal.open .modal-panel {
    transform: translateY(0) scale(1);
}

.modal-panel-sm {
    width: min(100%, 470px);
}

.modal-panel-md {
    width: min(100%, 720px);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    color: var(--color-ink);
    background: var(--color-soft);
    cursor: pointer;
    font-size: 1.5rem;
    line-height: 1;
}

.modal-intro {
    font-size: 1.02rem;
}

.choice-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-top: 24px;
}

.choice-card {
    min-height: 145px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 9px;
    padding: 22px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    text-align: left;
    background: var(--color-soft);
    cursor: pointer;
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.choice-card:hover {
    transform: translateY(-3px);
    border-color: rgba(49, 95, 84, 0.36);
    box-shadow: var(--shadow-sm);
}

.choice-card strong {
    color: var(--color-primary-strong);
    font-size: 1.03rem;
}

.choice-card span {
    color: var(--color-muted);
}

.stacked-options {
    display: grid;
    gap: 10px;
    margin-top: 24px;
}

.stacked-options button {
    padding: 17px 18px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-ink);
    text-align: left;
    background: var(--color-soft);
    cursor: pointer;
    font-weight: 700;
    transition: background var(--transition), transform var(--transition);
}

.stacked-options button:hover {
    background: var(--color-sand);
    transform: translateX(3px);
}

.service-modal-meta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin: 24px 0;
}

.service-modal-meta > div {
    padding: 18px;
    border-radius: var(--radius-sm);
    background: var(--color-soft);
}

.service-modal-meta span,
.service-modal-meta strong {
    display: block;
}

.service-modal-meta span {
    color: var(--color-muted);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.inline-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 26px;
}

.floating-whatsapp,
.back-to-top {
    position: fixed;
    z-index: 900;
    right: 24px;
    width: 54px;
    height: 54px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition), opacity var(--transition), visibility var(--transition);
}

.floating-whatsapp {
    bottom: 24px;
    color: var(--color-white);
    background: var(--color-primary);
    font-size: 1.3rem;
}

.back-to-top {
    bottom: 90px;
    color: var(--color-primary);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    opacity: 0;
    visibility: hidden;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.floating-whatsapp:hover,
.back-to-top:hover {
    transform: translateY(-3px);
}

.mobile-action-bar {
    display: none;
}

.toast-region {
    position: fixed;
    z-index: 4000;
    top: 95px;
    right: 22px;
    width: min(380px, calc(100% - 44px));
    display: grid;
    gap: 10px;
}

.toast {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 12px;
    padding: 15px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-white);
    box-shadow: var(--shadow-md);
    animation: toastIn 280ms ease both;
}

.toast.success {
    border-left: 4px solid var(--color-success);
}

.toast.error {
    border-left: 4px solid var(--color-danger);
}

.toast button {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--color-soft);
    cursor: pointer;
}

@keyframes toastIn {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.site-footer {
    padding: 74px 0 24px;
    color: rgba(255, 255, 255, 0.76);
    background: #122b25;
}

.site-footer p {
    color: rgba(255, 255, 255, 0.66);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr repeat(3, 1fr);
    gap: 50px;
}

.footer-brand img {
    width: 180px;
    filter: brightness(0) invert(1);
    margin-bottom: 20px;
}

.footer-column {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
}

.footer-column h3 {
    margin-bottom: 8px;
    color: var(--color-white);
}

.footer-column a:hover {
    color: var(--color-secondary);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    margin-top: 48px;
    padding-top: 22px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    font-size: 0.87rem;
}