/* Header — spacious marketing bar (PHPTravels-inspired layout, TradePacer branding) */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: #fff;
    border-bottom: 1px solid transparent;
    transition:
        background-color var(--transition-base),
        border-color var(--transition-base),
        box-shadow var(--transition-base);
}

.site-header.is-scrolled,
.site-header:has(.nav-desktop__item.is-open) {
    border-color: var(--color-border);
    box-shadow: 0 8px 24px rgb(2 22 58 / 0.06);
}

.site-header:has(.nav-desktop__item.is-open) {
    background: #fff;
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    gap: var(--space-4);
}

.site-logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    text-decoration: none;
    color: var(--color-text);
    flex-shrink: 0;
}

.site-logo__text {
    font-size: var(--text-lg);
    font-weight: 600;
    letter-spacing: -0.02em;
}

.site-logo__image {
    display: block;
    height: 2.75rem;
    width: auto;
}

/* Dark hero headers: the mark is navy, so give it a light plate */
.site-header--hero:not(.is-scrolled):not(:has(.nav-desktop__item.is-open)) .site-logo__image {
    height: 3.15rem;
    padding: 0.2rem;
    background: #fff;
    border-radius: 0.55rem;
}

.site-logo--footer .site-logo__text { color: #fff; }

.site-logo--footer .site-logo__image {
    height: 3.15rem;
    padding: 0.2rem;
    background: #fff;
    border-radius: 0.55rem;
}

.site-header__actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-shrink: 0;
}

.site-header__demo {
    padding: 0.625rem 1.15rem;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    border-radius: 0.5rem;
    box-shadow: none;
}

.site-header__demo:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 18px rgb(3 40 106 / 0.22);
}

/* Desktop nav */
.nav-desktop { display: none; }

@media (min-width: 1024px) {
    .nav-desktop {
        display: block;
        flex: 1;
        margin-inline: var(--space-6) var(--space-4);
        min-width: 0;
    }
}

.nav-desktop__list {
    display: flex;
    align-items: center;
    gap: 0.15rem;
    list-style: none;
}

.nav-desktop__trigger,
.nav-desktop__link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    min-height: 2.25rem;
    padding: 0 0.85rem;
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: -0.01em;
    color: rgb(17 24 39 / 0.88);
    background: none;
    border: 0;
    border-radius: 0.5rem;
    cursor: pointer;
    text-decoration: none;
    transition:
        color var(--transition-fast),
        background-color var(--transition-fast);
}

.nav-desktop__trigger:hover,
.nav-desktop__link:hover,
.nav-desktop__link.is-active,
.nav-desktop__item.is-open .nav-desktop__trigger {
    color: var(--color-text);
    background: rgb(2 22 58 / 0.07);
}

.nav-desktop__trigger:focus-visible,
.nav-desktop__link:focus-visible,
.mega-menu__link:focus-visible,
.mega-menu__footer-link:focus-visible,
.mega-menu__footer-cta:focus-visible,
.nav-dropdown__link:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.nav-desktop__chevron {
    width: 0.7rem;
    height: 0.7rem;
    opacity: 0.7;
    transition: transform 220ms cubic-bezier(0.22, 1, 0.36, 1), opacity var(--transition-fast);
}

.nav-desktop__item.is-open .nav-desktop__chevron {
    transform: rotate(180deg);
    opacity: 1;
}

.nav-desktop__item { position: relative; }

/* Full mega panels escape the item and sit under the sticky header */
.nav-desktop__item:has(> .mega-menu:not(.mega-menu--compact)) {
    position: static;
}

.nav-desktop__item:has(> .mega-menu--compact) {
    position: relative;
}

/* Mega menu — floating card under header */
.mega-menu {
    position: absolute;
    left: max(1rem, calc((100% - var(--container-max)) / 2));
    right: max(1rem, calc((100% - var(--container-max)) / 2));
    top: calc(100% + 0.35rem);
    z-index: 120;
    padding: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(0.5rem);
    pointer-events: none;
    transition:
        opacity 200ms cubic-bezier(0.22, 1, 0.36, 1),
        transform 220ms cubic-bezier(0.22, 1, 0.36, 1),
        visibility 0s linear 220ms;
}

.mega-menu.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
    transition:
        opacity 200ms cubic-bezier(0.22, 1, 0.36, 1),
        transform 220ms cubic-bezier(0.22, 1, 0.36, 1),
        visibility 0s linear 0s;
}

.mega-menu[hidden] { display: none !important; }

.mega-menu__panel {
    position: relative;
    background: #fff;
    border: 1px solid rgb(2 22 58 / 0.08);
    border-radius: 1.15rem;
    box-shadow:
        0 18px 50px rgb(2 22 58 / 0.12),
        0 2px 8px rgb(2 22 58 / 0.04);
    overflow: hidden;
}

.mega-menu__panel::before {
    content: '';
    position: absolute;
    top: -6px;
    left: 7.5rem;
    width: 12px;
    height: 12px;
    background: #fff;
    border-left: 1px solid rgb(2 22 58 / 0.08);
    border-top: 1px solid rgb(2 22 58 / 0.08);
    transform: rotate(45deg);
}

.mega-menu__inner {
    display: grid;
    gap: var(--space-2) var(--space-6);
    grid-template-columns: repeat(auto-fit, minmax(12.5rem, 1fr));
    padding: var(--space-6) var(--space-6) var(--space-5);
}

.mega-menu--compact {
    left: 0;
    right: auto;
    width: min(22rem, calc(100vw - 2rem));
}

.mega-menu--compact .mega-menu__panel::before {
    left: 2.75rem;
}

.mega-menu--compact .mega-menu__inner {
    grid-template-columns: 1fr;
    padding: var(--space-5);
}

.mega-menu__title {
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-text-subtle);
    margin: 0 0 var(--space-3);
    padding-inline: var(--space-2);
}

.mega-menu__list { list-style: none; }

.mega-menu__link {
    display: block;
    padding: 0.7rem 0.75rem;
    border-radius: 0.65rem;
    text-decoration: none;
    transition: background-color var(--transition-fast);
}

.mega-menu__link:hover,
.mega-menu__link:focus-visible {
    background: rgb(247 249 252);
}

.mega-menu__link-label {
    display: block;
    font-weight: 600;
    font-size: 0.875rem;
    letter-spacing: -0.01em;
    color: var(--color-text);
    margin-bottom: 0.15rem;
}

.mega-menu__link-desc {
    display: block;
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    line-height: 1.45;
}

.mega-menu__footer {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    padding: 0.85rem 1.25rem;
    background: rgb(247 249 252);
    border-top: 1px solid rgb(2 22 58 / 0.06);
}

.mega-menu__footer-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.mega-menu__footer-link:hover {
    color: var(--color-primary);
}

.mega-menu__footer-cta {
    display: inline-flex;
    align-items: center;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-primary);
    text-decoration: none;
    padding: 0.4rem 0.75rem;
    border-radius: 0.45rem;
    background: var(--color-primary-light);
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.mega-menu__footer-cta:hover {
    background: rgb(3 40 106 / 0.14);
    color: var(--color-primary-hover);
}

/* Dropdown — floating card */
.nav-dropdown {
    position: absolute;
    top: calc(100% + 0.45rem);
    left: 0;
    z-index: 120;
    min-width: 14rem;
    padding: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(0.4rem);
    pointer-events: none;
    transition:
        opacity 180ms cubic-bezier(0.22, 1, 0.36, 1),
        transform 200ms cubic-bezier(0.22, 1, 0.36, 1),
        visibility 0s linear 200ms;
}

.nav-dropdown.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
    transition:
        opacity 180ms cubic-bezier(0.22, 1, 0.36, 1),
        transform 200ms cubic-bezier(0.22, 1, 0.36, 1),
        visibility 0s linear 0s;
}

.nav-dropdown[hidden] { display: none !important; }

.nav-dropdown__panel {
    padding: 0.4rem;
    background: #fff;
    border: 1px solid rgb(2 22 58 / 0.08);
    border-radius: 0.85rem;
    box-shadow:
        0 16px 40px rgb(2 22 58 / 0.12),
        0 2px 8px rgb(2 22 58 / 0.04);
}

.nav-dropdown__list { list-style: none; }

.nav-dropdown__link {
    display: block;
    padding: 0.65rem 0.8rem;
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: -0.01em;
    color: var(--color-text-muted);
    border-radius: 0.5rem;
    text-decoration: none;
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.nav-dropdown__link:hover,
.nav-dropdown__link:focus-visible {
    background: rgb(247 249 252);
    color: var(--color-text);
}

/* Mobile nav toggle */
.nav-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 2.5rem;
    height: 2.5rem;
    padding: var(--space-2);
    background: none;
    border: 0;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.nav-toggle:hover {
    background: rgb(2 22 58 / 0.05);
}

@media (min-width: 1024px) {
    .nav-toggle { display: none; }
}

.nav-toggle__bar {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-text);
    border-radius: 1px;
    transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav-toggle[aria-expanded='true'] .nav-toggle__bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded='true'] .nav-toggle__bar:nth-child(2) { opacity: 0; }

.nav-toggle[aria-expanded='true'] .nav-toggle__bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Mobile nav */
.nav-mobile[hidden] { display: none; }

.nav-mobile {
    position: fixed;
    inset: 0;
    z-index: 400;
}

/* Keep sticky header from intercepting taps while the drawer is open */
body:has(.nav-mobile.is-open) .site-header {
    pointer-events: none;
}

body:has(.nav-mobile.is-open) .nav-toggle {
    pointer-events: auto;
}

.nav-mobile__backdrop {
    position: absolute;
    inset: 0;
    z-index: 0;
    background: rgb(2 22 58 / 0.45);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.nav-mobile.is-open .nav-mobile__backdrop { opacity: 1; }

.nav-mobile__panel {
    position: absolute;
    top: 0;
    right: 0;
    z-index: 1;
    width: min(100%, 22.5rem);
    height: 100%;
    height: 100dvh;
    background: #fff;
    box-shadow: -16px 0 48px rgb(2 22 58 / 0.16);
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 280ms cubic-bezier(0.22, 1, 0.36, 1);
}

.nav-mobile.is-open .nav-mobile__panel { transform: translateX(0); }

.nav-mobile__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    padding-top: max(var(--space-4), env(safe-area-inset-top));
    background: #fff;
    border-bottom: 1px solid var(--color-border);
}

.nav-mobile__brand {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    min-width: 0;
    text-decoration: none;
    color: var(--color-text);
}

.nav-mobile__brand-logo {
    display: block;
    height: 2rem;
    width: auto;
    flex-shrink: 0;
}

.nav-mobile__brand-text {
    font-size: 0.9375rem;
    font-weight: 650;
    letter-spacing: -0.02em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.nav-mobile__close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    flex-shrink: 0;
    border: 1px solid var(--color-border);
    border-radius: 0.5rem;
    background: #fff;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.nav-mobile__close:hover {
    background: var(--color-primary-light);
    border-color: rgb(3 40 106 / 0.18);
    color: var(--color-primary);
}

.nav-mobile__close-icon {
    position: relative;
    display: block;
    width: 0.875rem;
    height: 0.875rem;
}

.nav-mobile__close-icon::before,
.nav-mobile__close-icon::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 1.5px;
    background: currentColor;
    border-radius: 1px;
}

.nav-mobile__close-icon::before { transform: translateY(-50%) rotate(45deg); }
.nav-mobile__close-icon::after { transform: translateY(-50%) rotate(-45deg); }

.nav-mobile__body {
    flex: 1;
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: var(--space-4) var(--space-5);
    align-content: start;
}

.nav-mobile__body > .nav-mobile__group,
.nav-mobile__body > .nav-mobile__link {
    margin: 0;
}

.nav-mobile__body > .nav-mobile__group + .nav-mobile__group,
.nav-mobile__body > .nav-mobile__group + .nav-mobile__link,
.nav-mobile__body > .nav-mobile__link + .nav-mobile__group,
.nav-mobile__body > .nav-mobile__link + .nav-mobile__link {
    margin-top: 0.15rem;
}

.nav-mobile__link,
.nav-mobile__summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    min-height: 3rem;
    padding: 0.8rem 0.9rem;
    font-size: 0.9375rem;
    font-weight: 600;
    letter-spacing: -0.015em;
    color: var(--color-text);
    text-decoration: none;
    background: transparent;
    border: 0;
    border-radius: 0.65rem;
    cursor: pointer;
    transition: background var(--transition-fast), color var(--transition-fast);
}

.nav-mobile__link:hover,
.nav-mobile__summary:hover {
    background: rgb(247 249 252);
}

.nav-mobile__summary {
    list-style: none;
    width: 100%;
    box-sizing: border-box;
}

.nav-mobile__summary::-webkit-details-marker { display: none; }

.nav-mobile__summary-label {
    min-width: 0;
}

.nav-mobile__chevron {
    width: 0.45rem;
    height: 0.45rem;
    border-right: 2px solid var(--color-primary-muted);
    border-bottom: 2px solid var(--color-primary-muted);
    transform: rotate(45deg);
    transition: transform var(--transition-fast);
    flex-shrink: 0;
}

.nav-mobile__group[open] > .nav-mobile__summary .nav-mobile__chevron {
    transform: rotate(-135deg);
    margin-top: 0.15rem;
}

.nav-mobile__group {
    border: 0;
}

.nav-mobile__group[open] > .nav-mobile__summary {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.nav-mobile__group[open] > .nav-mobile__summary .nav-mobile__chevron {
    border-color: var(--color-primary);
}

.nav-mobile__panel-inner {
    padding: 0.25rem 0.5rem 0.75rem 0.75rem;
    background: transparent;
    border: 0;
}

.nav-mobile__section + .nav-mobile__section {
    margin-top: var(--space-3);
    padding-top: var(--space-3);
    border-top: 1px solid var(--color-border);
}

.nav-mobile__section-title {
    margin: 0 0 var(--space-2);
    padding-inline: var(--space-2);
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-primary-muted);
}

.nav-mobile__sublist {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 0.1rem;
}

.nav-mobile__sublink {
    display: grid;
    gap: 0.15rem;
    padding: 0.65rem 0.7rem;
    border-radius: 0.55rem;
    text-decoration: none;
    transition: background var(--transition-fast);
}

.nav-mobile__sublink:hover,
.nav-mobile__sublink:focus-visible {
    background: rgb(247 249 252);
}

.nav-mobile__sublink-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text);
    line-height: 1.3;
}

.nav-mobile__sublink-desc {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    line-height: 1.4;
}

.nav-mobile__summary:focus-visible,
.nav-mobile__link:focus-visible,
.nav-mobile__sublink:focus-visible,
.nav-mobile__overview:focus-visible,
.nav-mobile__close:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.nav-mobile__overview {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-top: var(--space-2);
    margin-inline: 0.25rem;
    padding: 0.55rem 0.7rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-primary);
    text-decoration: none;
    border-radius: 0.5rem;
    background: var(--color-primary-light);
}

.nav-mobile__overview:hover {
    background: rgb(3 40 106 / 0.12);
}

.nav-mobile__overview-arrow {
    transition: transform var(--transition-fast);
}

.nav-mobile__overview:hover .nav-mobile__overview-arrow {
    transform: translateX(2px);
}

.nav-mobile__footer {
    padding: var(--space-4) var(--space-5);
    padding-bottom: max(var(--space-5), env(safe-area-inset-bottom));
    border-top: 1px solid var(--color-border);
    background: #fff;
    display: grid;
    gap: var(--space-3);
}

.nav-mobile__footer .btn {
    border-radius: 0.55rem;
    font-weight: 600;
}

/* Footer */
.site-footer {
    background: var(--color-navy);
    color: rgb(228 231 236 / 0.85);
    padding-block: var(--space-10) var(--space-6);
}

.site-footer__top {
    display: grid;
    gap: var(--space-6);
    margin-bottom: var(--space-6);
}

@media (min-width: 900px) {
    .site-footer__top {
        grid-template-columns: minmax(12rem, 18rem) minmax(0, 1fr);
        align-items: end;
        gap: var(--space-10);
    }

    .site-footer__nav {
        justify-content: flex-end;
    }
}

.site-footer__tagline {
    font-size: var(--text-sm);
    color: rgb(152 162 179 / 0.9);
    margin: var(--space-3) 0 0;
    max-width: 22rem;
    line-height: 1.5;
}

.site-footer__nav {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2) var(--space-5);
}

.site-footer__nav a {
    font-size: var(--text-sm);
    color: rgb(208 213 221 / 0.95);
    text-decoration: none;
    white-space: nowrap;
}

.site-footer__nav a:hover,
.site-footer__nav a:focus-visible {
    color: #fff;
}

.site-footer__bottom {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    padding-top: var(--space-5);
    border-top: 1px solid rgb(255 255 255 / 0.08);
}

@media (min-width: 768px) {
    .site-footer__bottom {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        gap: var(--space-4);
    }
}

.site-footer__copy {
    font-size: var(--text-xs);
    color: rgb(152 162 179 / 0.8);
    margin: 0;
}

.site-footer__legal {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2) var(--space-4);
    list-style: none;
    margin: 0;
    padding: 0;
}

.site-footer__legal a {
    font-size: var(--text-xs);
    color: rgb(152 162 179 / 0.9);
    text-decoration: none;
}

.site-footer__legal a:hover,
.site-footer__legal a:focus-visible {
    color: #fff;
}

/* Cookie consent banner (Consent Mode v2) — fixed, no document flow / CLS */
.cookie-banner {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 50;
    padding:
        var(--space-4)
        max(var(--space-4), env(safe-area-inset-right))
        max(var(--space-4), env(safe-area-inset-bottom))
        max(var(--space-4), env(safe-area-inset-left));
    pointer-events: none;
}

.cookie-banner[hidden] {
    display: none;
}

.cookie-banner__inner {
    pointer-events: auto;
    display: grid;
    gap: var(--space-4);
    width: min(100%, 56rem);
    margin-inline: auto;
    padding: var(--space-4) var(--space-5);
    background: var(--color-surface);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

@media (min-width: 720px) {
    .cookie-banner__inner {
        grid-template-columns: minmax(0, 1fr) auto;
        align-items: center;
        gap: var(--space-6);
    }
}

.cookie-banner__title {
    margin: 0 0 var(--space-2);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text);
}

.cookie-banner__text {
    margin: 0;
    font-size: var(--text-sm);
    line-height: 1.5;
    color: var(--color-text-muted);
}

.cookie-banner__text a {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.cookie-banner__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

@media (min-width: 720px) {
    .cookie-banner__actions {
        justify-content: flex-end;
    }
}

html.has-cookie-banner .whatsapp-float,
html.has-cookie-banner .back-to-top {
    bottom: calc(max(1rem, env(safe-area-inset-bottom)) + 9.5rem);
}

html.has-cookie-banner body:has(.whatsapp-float) .back-to-top {
    bottom: calc(max(1rem, env(safe-area-inset-bottom)) + 13.75rem);
}

@media (min-width: 720px) {
    html.has-cookie-banner .whatsapp-float,
    html.has-cookie-banner .back-to-top {
        bottom: calc(max(1.5rem, env(safe-area-inset-bottom)) + 7.5rem);
    }

    html.has-cookie-banner body:has(.whatsapp-float) .back-to-top {
        bottom: calc(max(1.5rem, env(safe-area-inset-bottom)) + 12rem);
    }
}

/* WhatsApp floating chat */
.back-to-top {
    position: fixed;
    right: max(1rem, env(safe-area-inset-right));
    bottom: max(1rem, env(safe-area-inset-bottom));
    z-index: 41;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    padding: 0;
    border: 1px solid rgb(255 255 255 / 0.14);
    border-radius: 999px;
    background: var(--color-primary);
    color: #fff;
    box-shadow: 0 10px 24px rgb(3 40 106 / 0.28);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(0.5rem);
    transition:
        opacity 160ms ease,
        visibility 160ms ease,
        transform 160ms ease,
        background-color 160ms ease,
        box-shadow 160ms ease;
}

.back-to-top.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover,
.back-to-top:focus-visible {
    background: #021f54;
    box-shadow: 0 12px 28px rgb(3 40 106 / 0.36);
}

.back-to-top:focus-visible {
    outline: 2px solid #fff;
    outline-offset: 3px;
}

.back-to-top__icon {
    display: block;
}

body:has(.whatsapp-float) .back-to-top {
    bottom: calc(max(1rem, env(safe-area-inset-bottom)) + 4.25rem);
}

@media (min-width: 768px) {
    .back-to-top {
        right: max(1.5rem, env(safe-area-inset-right));
        bottom: max(1.5rem, env(safe-area-inset-bottom));
        width: 3rem;
        height: 3rem;
    }

    body:has(.whatsapp-float) .back-to-top {
        bottom: calc(max(1.5rem, env(safe-area-inset-bottom)) + 4.75rem);
    }
}

.whatsapp-float {
    position: fixed;
    right: max(1rem, env(safe-area-inset-right));
    bottom: max(1rem, env(safe-area-inset-bottom));
    z-index: 40;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 999px;
    background: #25d366;
    color: #fff;
    box-shadow: 0 10px 28px rgb(37 211 102 / 0.35);
    text-decoration: none;
    transition: transform 160ms ease, box-shadow 160ms ease, background-color 160ms ease;
}

.whatsapp-float:hover,
.whatsapp-float:focus-visible {
    background: #1ebe57;
    transform: translateY(-2px);
    box-shadow: 0 14px 32px rgb(37 211 102 / 0.42);
    color: #fff;
}

.whatsapp-float:focus-visible {
    outline: 2px solid #fff;
    outline-offset: 3px;
}

.whatsapp-float__icon {
    display: block;
}

@media (min-width: 768px) {
    .whatsapp-float {
        right: max(1.5rem, env(safe-area-inset-right));
        bottom: max(1.5rem, env(safe-area-inset-bottom));
        width: 3.75rem;
        height: 3.75rem;
    }
}

/* Doc layout */
.doc-layout {
    display: grid;
    gap: var(--space-10);
    padding-block: var(--space-10) var(--space-16);
}

@media (min-width: 1024px) {
    .doc-layout {
        grid-template-columns: var(--doc-sidebar-width) 1fr;
        align-items: start;
    }
}

.doc-layout__sidebar {
    display: none;
}

@media (min-width: 1024px) {
    .doc-layout__sidebar {
        display: block;
        position: sticky;
        top: calc(var(--header-height) + var(--space-6));
        max-height: calc(100vh - var(--header-height) - var(--space-12));
        overflow-y: auto;
    }
}

.doc-sidebar__section {
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-text-subtle);
    margin: var(--space-5) 0 var(--space-2);
}

.doc-sidebar__section:first-child { margin-top: 0; }

.doc-sidebar__link {
    display: block;
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    text-decoration: none;
    border-radius: var(--radius-sm);
    border-left: 2px solid transparent;
}

.doc-sidebar__link:hover { color: var(--color-text); background: var(--color-bg); }

.doc-sidebar__link.is-active {
    color: var(--color-primary);
    background: var(--color-primary-light);
    border-left-color: var(--color-primary);
    font-weight: 500;
}

.doc-layout__title { font-size: var(--text-2xl); margin-bottom: var(--space-2); }

.doc-layout__updated {
    font-size: var(--text-xs);
    color: var(--color-text-subtle);
    margin-bottom: var(--space-8);
}

.doc-layout__pager {
    display: grid;
    gap: var(--space-4);
    margin-top: var(--space-12);
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-border);
}

@media (min-width: 768px) {
    .doc-layout__pager { grid-template-columns: 1fr 1fr; }
}

.doc-layout__pager-link {
    display: block;
    padding: var(--space-5);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: border-color var(--transition-fast);
}

.doc-layout__pager-link:hover { border-color: var(--color-primary); }

.doc-layout__pager-link--next { text-align: right; }

.doc-layout__pager-label {
    display: block;
    font-size: var(--text-xs);
    color: var(--color-text-subtle);
    margin-bottom: var(--space-1);
}

.doc-layout__pager-title {
    font-weight: 500;
    color: var(--color-text);
}

/* Docs hub search */
.docs-search {
    max-width: 28rem;
    margin-bottom: var(--space-10);
}

.docs-search__input {
    width: 100%;
    padding: var(--space-4) var(--space-5);
    font-size: var(--text-base);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-lg);
    background: var(--color-surface);
}

.docs-search__input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgb(3 40 106 / 0.12);
}

.docs-grid {
    display: grid;
    gap: var(--space-6);
}

@media (min-width: 768px) {
    .docs-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1280px) {
    .docs-grid { grid-template-columns: repeat(3, 1fr); }
}

.docs-card {
    padding: var(--space-6);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: inherit;
    transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

.docs-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-border-strong);
}

.docs-card__title {
    font-size: var(--text-md);
    font-weight: 600;
    margin-bottom: var(--space-2);
    color: var(--color-text);
}

.docs-card__description {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin: 0;
}

.docs-card[hidden] { display: none; }

/* Hero home */
.home-hero {
    position: relative;
    padding-block: var(--space-20) var(--space-16);
    background: var(--gradient-hero);
    color: var(--color-text-inverse);
    overflow: hidden;
}

.home-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 80% 60% at 70% 20%, rgb(3 40 106 / 0.2) 0%, transparent 60%);
    pointer-events: none;
}

.home-hero__inner {
    position: relative;
    display: grid;
    gap: var(--space-12);
    align-items: center;
}

@media (min-width: 1024px) {
    .home-hero__inner { grid-template-columns: 1fr 1.1fr; gap: var(--space-16); }
}

.home-hero__content { max-width: 36rem; }

.home-hero__eyebrow {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    margin-bottom: var(--space-5);
    font-size: var(--text-xs);
    font-weight: 500;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--color-gold);
    background: rgb(194 160 55 / 0.12);
    border-radius: 999px;
}

.home-hero__title {
    font-size: var(--text-3xl);
    color: #fff;
    margin-bottom: var(--space-5);
    letter-spacing: -0.02em;
}

.home-hero__description {
    font-size: var(--text-lg);
    color: rgb(242 244 247 / 0.85);
    line-height: 1.65;
    margin-bottom: var(--space-8);
}

.home-hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
}

.home-hero__visual {
    position: relative;
}

.home-hero__glow {
    position: absolute;
    inset: 10% -10% -10% 10%;
    background: radial-gradient(circle, rgb(3 40 106 / 0.25) 0%, transparent 70%);
    pointer-events: none;
}

/* Contact info sidebar */
.contact-sidebar {
    padding: var(--space-8);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
}

.contact-sidebar__title {
    font-size: var(--text-lg);
    margin-bottom: var(--space-6);
}

.contact-sidebar__item {
    margin-bottom: var(--space-5);
    font-size: var(--text-sm);
}

.contact-sidebar__label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--space-1);
}

.contact-sidebar__value {
    color: var(--color-text-muted);
    margin: 0;
    white-space: pre-line;
}

.contact-sidebar__value a { color: var(--color-primary); }

/* Demo expect panel */
.demo-expect {
    padding: var(--space-8);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
}

.demo-expect__title { font-size: var(--text-xl); margin-bottom: var(--space-5); }

.demo-expect__list {
    list-style: none;
    display: grid;
    gap: var(--space-4);
}

.demo-expect__list li {
    padding-left: 1.75rem;
    position: relative;
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    line-height: 1.55;
}

.demo-expect__list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.35em;
    width: 1rem;
    height: 1rem;
    background: var(--color-emerald);
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='black' d='M6.5 11.5 3 8l1-1 2.5 2.5L12 4l1 1z'/%3E%3C/svg%3E") center/contain no-repeat;
    -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='black' d='M6.5 11.5 3 8l1-1 2.5 2.5L12 4l1 1z'/%3E%3C/svg%3E") center/contain no-repeat;
}