/* ==========================================================================
   AMMY TERRA — layout.css
   Contenedor, secciones, topbar, header sticky, menu lateral movil, footer.
   Propiedad: Claude (T01). Consume solo variables de tokens.css.
   ========================================================================== */

/* Recorte horizontal global. `clip` en body no crea contenedor de scroll,
   asi `position: sticky` del header sigue funcionando. */
html { overflow-x: hidden; }
body { overflow-x: clip; }

/* Contenedor: 1240 px >=1280 · calc(100% - 48px) 1024-1279 (ERS 11) */
.container {
  width: 100%;
  max-width: calc(var(--container) + 2 * var(--gutter));
  margin-inline: auto;
  padding-inline: var(--gutter);
}
@media (max-width: 1279px) { .container { max-width: none; padding-inline: var(--s3); } }
@media (max-width: 767px)  { .container { padding-inline: var(--s2); } }

.icon-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

/* ---------------------------------------------------------------- Topbar */
.topbar {
  background: var(--c-green);
  color: var(--c-bg);
  font-size: 12.5px;
  line-height: 1;
}
.topbar__inner { height: var(--topbar-h); display: flex; align-items: center; }
.topbar__list {
  display: flex; align-items: center; justify-content: flex-start;
  margin: 0; padding: 0; list-style: none; width: 100%;
}
.topbar__item { display: flex; align-items: center; gap: 10px; padding-inline: 26px; white-space: nowrap; }
.topbar__item:first-child { padding-left: 0; }
.topbar__item + .topbar__item { border-left: 1px solid color-mix(in srgb, var(--c-bg) 32%, transparent); }
.topbar__item a { display: inline-flex; align-items: center; gap: 10px; color: inherit; }
.topbar__item a:hover { color: var(--c-surface); text-decoration: underline; text-underline-offset: 3px; }
.topbar__icon { width: 17px; height: 17px; stroke-width: 3.2; }

@media (max-width: 1023px) {
  .topbar__item--phone { display: none; }
  .topbar__list { justify-content: center; }
  .topbar__item { padding-inline: 18px; }
}
/* Movil: un mensaje a la vez, rotado por main.js (sin JS queda el primero). */
@media (max-width: 767px) {
  .topbar__item { display: none; padding: 0; border: 0; }
  .topbar__item.is-active { display: flex; border: 0; animation: topbar-in .45s ease; }
}
@keyframes topbar-in { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

/* ---------------------------------------------------------------- Header */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: var(--c-surface);
  border-bottom: 1px solid var(--c-border-soft);
  transition: box-shadow var(--t-base);
}
.site-header__inner {
  height: var(--header-h);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--s3);
  transition: height var(--t-base);
}
/* Sticky tras 120 px: -15 % de altura de barra (80 -> 68) y el logo -22 % (86 -> 67),
   para que la compresion se perciba (el logo es lo que mas pesa visualmente). */
.site-header.is-stuck { box-shadow: var(--sh-head); background: color-mix(in srgb, var(--c-surface) 96%, transparent); backdrop-filter: saturate(1.2) blur(6px); }
.site-header.is-stuck .site-header__inner { height: var(--header-h-sticky); }

.site-header__logo { display: block; line-height: 0; }
.site-header__logo img {
  width: auto; height: 86px; max-width: none; margin-block: -3px;
  transition: height var(--t-base);
}
.site-header.is-stuck .site-header__logo img { height: 67px; }

.main-nav { justify-self: center; }
.main-nav__list { display: flex; align-items: center; gap: 30px; margin: 0; padding: 0; list-style: none; }
.main-nav__link {
  position: relative; display: inline-flex; align-items: center; min-height: 44px;
  font-size: 12.5px; font-weight: var(--fw-ui-med); letter-spacing: .05em; text-transform: uppercase;
  color: var(--c-text); white-space: nowrap;
}
.main-nav__link::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 8px; height: 2px;
  background: var(--c-green-600); border-radius: 2px;
  transform: scaleX(0); transform-origin: left; transition: transform var(--t-base);
}
.main-nav__link:hover { color: var(--c-green); }
.main-nav__link:hover::after, .main-nav__link.is-active::after { transform: scaleX(1); }
.main-nav__link.is-active { color: var(--c-green); }

.site-header__actions { display: flex; align-items: center; gap: 6px; justify-self: end; }
.site-header__actions .site-header__burger { display: none; }

@media (max-width: 1279px) {
  .site-header__inner { gap: 12px; }
  .site-header__logo img { height: 62px; margin-left: -8px; }
  .site-header.is-stuck .site-header__logo img { height: 50px; }
  .main-nav__list { gap: clamp(12px, 2.4vw - 12px, 22px); }
  .main-nav__link { font-size: 11.5px; letter-spacing: .035em; }
  .site-header__actions { gap: 0; }
}
/* 768-1023: menu compacto (hamburguesa + panel lateral) */
@media (max-width: 1023px) {
  .main-nav { display: none; }
  .site-header__actions .site-header__burger { display: inline-flex; }
  .site-header__inner { grid-template-columns: auto 1fr; }
}
@media (max-width: 767px) {
  .site-header__inner { height: 68px; gap: var(--s1); }
  .site-header.is-stuck .site-header__inner { height: 58px; }
  .site-header__logo img { height: 56px; margin-left: -6px; }
  .site-header.is-stuck .site-header__logo img { height: 46px; }
  .site-header__actions .site-header__account { display: none; }
  .site-header__actions { gap: 0; }
}
@media (max-width: 359px) { .site-header__logo img { height: 48px; } }

/* Buscador desplegable bajo el header */
.header-search { border-top: 1px solid var(--c-border-soft); background: var(--c-surface); }
.header-search[hidden] { display: none; }
.header-search__form { display: flex; gap: var(--s1); padding-block: 14px; }
.header-search__form input { flex: 1; min-width: 0; }
.header-search__form .btn { flex: none; }
@media (max-width: 479px) { .header-search__form .btn span { display: none; } }

/* ------------------------------------------------ Menu lateral (off-canvas)
   El contenedor fijo ocupa exactamente el viewport y recorta el panel: el panel
   trasladado nunca genera desborde horizontal. */
.offcanvas, .drawer {
  position: fixed; inset: 0; z-index: 100;
  overflow: hidden; visibility: hidden; pointer-events: none;
  transition: visibility 0s linear .32s;
}
.offcanvas.is-open, .drawer.is-open { visibility: visible; pointer-events: auto; transition-delay: 0s; }
.offcanvas__backdrop, .drawer__backdrop {
  position: absolute; inset: 0;
  background: color-mix(in srgb, var(--c-text) 45%, transparent);
  opacity: 0; transition: opacity .32s ease;
}
.is-open > .offcanvas__backdrop, .is-open > .drawer__backdrop { opacity: 1; }
.offcanvas__panel, .drawer__panel {
  position: absolute; top: 0; right: 0; bottom: 0;
  width: min(380px, 88vw);
  display: flex; flex-direction: column;
  background: var(--c-bg);
  box-shadow: var(--sh-hover);
  transform: translateX(100%);
  transition: transform .32s var(--t-base);
  overflow-y: auto; overscroll-behavior: contain;
}
.is-open > .offcanvas__panel, .is-open > .drawer__panel { transform: none; }

.offcanvas__head, .drawer__head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px var(--s2) 10px var(--s3);
  border-bottom: 1px solid var(--c-border);
  background: var(--c-surface);
}
.offcanvas__logo { height: 54px; width: auto; margin-left: -8px; }
.offcanvas__nav { list-style: none; margin: 0; padding: var(--s1) 0; }
.offcanvas__nav a {
  display: flex; align-items: center; min-height: 52px; padding-inline: var(--s3);
  border-bottom: 1px solid var(--c-border-soft);
  font-size: 13.5px; font-weight: var(--fw-ui-med); letter-spacing: .06em; text-transform: uppercase;
  color: var(--c-text);
}
.offcanvas__nav a.is-active { color: var(--c-green); box-shadow: inset 3px 0 0 var(--c-terracotta); }
.offcanvas__foot { margin-top: auto; padding: var(--s3); display: grid; gap: 12px; }
.offcanvas__note { font-size: var(--fs-xs); color: var(--c-text-muted); margin: 4px 0 0; }

body.is-locked { overflow: hidden; }

/* ---------------------------------------------------------------- Footer */
.site-footer {
  background: var(--c-green);
  color: color-mix(in srgb, var(--c-bg) 82%, transparent);
  font-size: 13px;
  line-height: 1.6;
  padding-top: 44px;
}
.site-footer a { color: inherit; }
.site-footer a:hover { color: var(--c-surface); text-decoration: underline; text-underline-offset: 3px; }
.site-footer :focus-visible { outline-color: var(--c-bg); }

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.5fr .85fr 1.1fr 1.15fr 2fr;
  gap: var(--s4);
  padding-bottom: 30px;
}
.site-footer__brand img { width: 236px; height: auto; margin: -16px 0 6px -12px; max-width: none; }
.site-footer__social { display: flex; gap: 18px; list-style: none; margin: 0; padding: 0; }
.site-footer__social a, .site-footer__social > li > span {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; margin-left: -4px; color: var(--c-surface);
}
.site-footer__social .icon { width: 22px; height: 22px; stroke-width: 3.6; }

.site-footer__title {
  font-family: var(--font-ui);
  font-size: 12.5px; font-weight: var(--fw-ui-semi); letter-spacing: .05em; text-transform: uppercase;
  color: var(--c-surface);
  margin: 0 0 10px;
}
.site-footer__col ul { list-style: none; margin: 0; padding: 0; }
.site-footer__col li + li { margin-top: 3px; }
.site-footer__col a { display: inline-block; }
.site-footer__news p { margin: 0 0 14px; }

.newsletter { display: grid; grid-template-columns: 1fr auto; gap: 8px; max-width: 420px; }
.newsletter input {
  min-height: 46px;
  background: transparent;
  border: 1px solid color-mix(in srgb, var(--c-bg) 55%, transparent);
  color: var(--c-surface);
  font-size: 14px;
}
.newsletter input::placeholder { color: color-mix(in srgb, var(--c-bg) 78%, transparent); }
.newsletter input:focus { border-color: var(--c-bg); box-shadow: 0 0 0 3px color-mix(in srgb, var(--c-bg) 22%, transparent); }
.newsletter button {
  width: 52px; min-height: 46px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--c-surface); color: var(--c-green);
  border: 0; border-radius: var(--r-btn); cursor: pointer;
  transition: background var(--t-fast);
}
.newsletter button:hover { background: var(--c-green-050); }
.newsletter button .icon { width: 24px; height: 24px; }
.newsletter__msg { grid-column: 1 / -1; margin: 0; font-size: var(--fs-xs); min-height: 1em; color: var(--c-surface); }

.site-footer__bottom {
  display: flex; justify-content: space-between; align-items: center; gap: var(--s2);
  padding-block: 16px 18px;
  border-top: 1px solid color-mix(in srgb, var(--c-bg) 18%, transparent);
  font-size: 12.5px;
}
.site-footer__bottom small { font-size: inherit; display: inline-flex; align-items: center; gap: 8px; }

@media (max-width: 1279px) {
  .site-footer__grid { grid-template-columns: 1.3fr 1fr 1fr 1.2fr; }
  .site-footer__news { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr minmax(280px, 420px); column-gap: var(--s4); align-items: end; }
  .site-footer__news .site-footer__title { grid-column: 1 / -1; }
  .site-footer__news p { margin: 0; align-self: center; }
}
@media (max-width: 767px) {
  .site-footer { padding-top: var(--s4); }
  .site-footer__grid { grid-template-columns: 1fr 1fr; gap: var(--s3) var(--s2); }
  .site-footer__brand, .site-footer__news { grid-column: 1 / -1; }
  .site-footer__news { display: block; }
  .site-footer__news p { margin-bottom: 12px; }
  .site-footer__col a { padding-block: 6px; }
  .site-footer__bottom { flex-direction: column; align-items: flex-start; gap: 6px; padding-bottom: 88px; }
}