/* ============================================================
   VISTA Oberhasli — vista.css
   Réplica 1:1 del mockup del cliente (WhatsApp, 21 sept 2026).
   Se carga DESPUÉS de style.css (CI Lebensraum Schweiz AG).

   OJO: la paleta del mockup de VISTA **no es la misma que la de SACO**.
   Medida sobre el propio mockup (moda de los píxeles planos):
     mint          #cdf0cd   (SACO: #b2eac6)
     verde oscuro  #052521   (SACO: #162a2a)  ← bastante más profundo
     banda         #eff3f0   (SACO: #eaf2ee)
     círculos      #062622   (SACO: #1e3a38)
   ============================================================ */

:root {
  --vista-mint: #cdf0cd;
  --vista-dark: #052521;
  --vista-dark-2: #062622;
  --vista-band: #eff3f0;
  --vista-ink: #16231f;
  --vista-ink-soft: #5a6663;
  --vista-rule: #dfe4e2;
}

/* ---------- Ajustes globales del mockup ---------- */

body { color: var(--vista-ink); }

.vista h2,
.vista h1,
.vista h3 { color: var(--vista-ink); }

.eyebrow-s {
  display: block;
  font-family: var(--sans);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-indent: 0.22em;
  text-transform: uppercase;
  color: var(--vista-ink-soft);
  margin-bottom: 22px;
}

.on-dark .eyebrow-s { color: var(--vista-mint); }

.h-serif {
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.16;
  letter-spacing: -0.005em;
  font-size: clamp(28px, 3.1vw, 44px);
}

.section-s { padding: clamp(56px, 5.6vw, 82px) 0; }

/* ---------- Header ---------- */

/* OJO: el header usa EXACTAMENTE los mismos márgenes laterales que .container,
   para que el logo y el menú queden alineados con el contenido de la página. */
.site-header { padding: 0; }
.site-header .header-inner { padding: 24px var(--pad); align-items: center; }
.site-header.scrolled { padding: 0; }
.site-header.scrolled .header-inner { padding: 14px var(--pad); }

.brand-logo { height: 42px; }

/* el botón de menú tiene padding propio: lo compensamos para que el icono
   quede ópticamente a ras del margen derecho del contenido */
.nav-toggle { margin-right: -6px; }

.main-nav > a:not(.btn) {
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.88);
  letter-spacing: 0;
  text-transform: none;
  font-weight: 400;
}

.main-nav > a:not(.btn):hover,
.main-nav > a.active { color: #fff; }

/* El botón del header es mint en el mockup, no oscuro */
.main-nav .btn-mint,
.btn-mint {
  background: var(--vista-mint);
  color: #16231f;
  border-color: var(--vista-mint);
  font-size: 13px;
  font-weight: 500;
  padding: 13px 22px;
  letter-spacing: 0;
  text-transform: none;
}

.main-nav .btn-mint { padding: 14px 24px; }
.btn-mint::before { background: var(--vista-dark); }
.btn-mint:hover { color: #fff; border-color: var(--vista-dark); }

.btn .arr { font-size: 1.05em; }

.main-nav .lang-switch { font-size: 12.5px; letter-spacing: 0.04em; }

/* ---------- Hero ---------- */

.hero-vista {
  min-height: min(760px, 88svh);
  padding-top: 150px;
  padding-bottom: 54px;
  display: flex;
  align-items: flex-end;
}

.hero-vista .hero-media img { animation: none; }

.hero-vista .hero-media::after {
  background:
    linear-gradient(90deg, rgba(14, 26, 24, 0.62) 0%, rgba(14, 26, 24, 0.28) 46%, rgba(14, 26, 24, 0.06) 78%),
    linear-gradient(180deg, rgba(14, 26, 24, 0.34) 0%, rgba(14, 26, 24, 0) 34%, rgba(14, 26, 24, 0.22) 100%);
}

.hero-vista .hero-content { width: 100%; }

.hero-vista .hero-eyebrow {
  display: block;
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-indent: 0.24em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.86);
  margin-bottom: 20px;
}

.hero-vista h1 {
  font-family: var(--serif);
  font-weight: 400;
  color: #fff;
  font-size: clamp(38px, 5.1vw, 74px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  max-width: 16ch;
}

.hero-vista .hero-text {
  margin: 22px 0 32px;
  font-size: 15px;
  line-height: 1.68;
  color: rgba(255, 255, 255, 0.9);
  max-width: 44ch;
}

.hero-vista .hero-actions { gap: 14px; }

.hero-vista .btn-ghost {
  border: 1px solid rgba(255, 255, 255, 0.75);
  color: #fff;
  background: rgba(5, 37, 33, 0.34);
  font-size: 13px;
  font-weight: 500;
  padding: 13px 26px;
  text-transform: none;
  letter-spacing: 0;
}

.hero-vista .btn-ghost::before { background: #fff; }
.hero-vista .btn-ghost:hover { color: var(--vista-dark); border-color: #fff; }

/* Claim de la esquina inferior derecha */
.hero-claim-box {
  position: absolute;
  right: var(--pad);
  bottom: 54px;
  text-align: right;
  font-size: 10.5px;
  font-weight: 500;
  line-height: 1.85;
  letter-spacing: 0.17em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.92);
  z-index: 3;
}

/* ---------- 02 Über das Projekt ---------- */

.projekt-grid {
  display: grid;
  grid-template-columns: 1.22fr 1fr;
  gap: clamp(30px, 5vw, 78px);
  align-items: start;
}

.projekt-text p {
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--vista-ink-soft);
  max-width: 48ch;
}

.projekt-claim {
  margin-top: 30px;
  padding-top: 26px;
  position: relative;
  font-family: var(--serif);
  font-size: clamp(16px, 1.5vw, 20px);
  line-height: 1.5;
  color: var(--vista-ink);
}

.projekt-claim::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 46px;
  height: 1px;
  background: #b9c2bf;
}

.projekt-quote {
  border-left: 1px solid var(--vista-rule);
  padding: 4px 0 4px clamp(26px, 4vw, 62px);
  min-height: 210px;
}

.projekt-quote .q-mark {
  display: block;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 62px;
  line-height: 1;
  height: 46px;
  color: #d5ddd9;
  margin-bottom: 8px;
}

.projekt-quote blockquote {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(16px, 1.55vw, 21px);
  line-height: 1.55;
  color: #47535a;
  max-width: 26ch;
}

.projekt-quote .q-source {
  display: block;
  margin-top: 30px;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-indent: 0.2em;
  text-transform: uppercase;
  color: var(--vista-ink-soft);
}

.projekt-quote .q-rule {
  display: block;
  width: 34px;
  height: 1px;
  background: #b9c2bf;
  margin-bottom: 16px;
}

/* ---------- Eckdaten ----------
   NO está en el mockup: es un añadido nuestro con las cifras de la ficha
   de proyecto de lebensraumag.ch. Se quita borrando la <section id="eckdaten">. */

.eckdaten { padding-top: 0; }

.fact-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--vista-rule);
  border-bottom: 1px solid var(--vista-rule);
}

.fact-row .fact {
  padding: clamp(22px, 2.6vw, 32px) clamp(14px, 2vw, 30px);
  border-left: 1px solid var(--vista-rule);
}

.fact-row .fact:first-child { border-left: none; padding-left: 0; }

.fact-row dt {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-indent: 0.2em;
  text-transform: uppercase;
  color: var(--vista-ink-soft);
  margin-bottom: 12px;
}

.fact-row dd {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(22px, 2.4vw, 32px);
  line-height: 1.1;
  color: var(--vista-ink);
}

.fact-row dd sup { font-size: 0.55em; vertical-align: super; }

@media (max-width: 760px) {
  .fact-row { grid-template-columns: repeat(2, 1fr); }
  .fact-row .fact:nth-child(3) { border-left: none; padding-left: 0; }
  .fact-row .fact:nth-child(n + 3) { border-top: 1px solid var(--vista-rule); }
}

@media (max-width: 420px) {
  .fact-row { grid-template-columns: 1fr; }
  .fact-row .fact { border-left: none; padding-left: 0; }
  .fact-row .fact + .fact { border-top: 1px solid var(--vista-rule); }
}

/* ---------- 03 Meilensteine ---------- */

.meilensteine { background: var(--vista-band); }

.ms-head {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(24px, 4vw, 60px);
  align-items: start;
  margin-bottom: clamp(42px, 5vw, 66px);
}

.ms-head p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--vista-ink-soft);
  max-width: 46ch;
  padding-top: 40px;
}

.ms-track { position: relative; }

/* En el mockup de VISTA los círculos van directamente sobre la línea:
   no hay «pines» verticales como en SACO. */
.ms-dot-wrap { display: block; margin-bottom: 18px; }

.ms-line {
  position: absolute;
  left: 0;
  right: 0;
  top: 34px;
  width: 100%;
  height: 80px;
  overflow: visible;
  z-index: 0;
  pointer-events: none;
}

.ms-line path {
  fill: none;
  stroke: #33474a;
  stroke-width: 1;
}

.ms-steps {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 8px;
  position: relative;
  z-index: 1;
}

.ms-step {
  text-align: center;
  appearance: none;
  -webkit-appearance: none;
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  color: inherit;
  cursor: pointer;
  display: block;
  width: 100%;
}

.ms-step:focus-visible { outline: 2px solid var(--vista-dark-2); outline-offset: 6px; }

.ms-step .ms-date {
  display: block;
  font-family: var(--sans);
  font-size: 11.5px;
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
  color: #4e5662;
  line-height: 1.45;
  margin: 0 0 10px;
  min-height: 34px;
}

.ms-step .ms-dot {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: var(--vista-dark-2);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  box-shadow: 0 0 0 7px var(--vista-band);
}

.ms-step .ms-dot {
  transition: background 0.3s ease, color 0.3s ease, transform 0.3s ease;
}

.ms-step:hover .ms-dot,
.ms-step[aria-expanded="true"] .ms-dot {
  background: var(--vista-mint);
  color: var(--vista-dark);
  transform: translateY(-3px);
}

.ms-step[aria-expanded="true"] h3 { text-decoration: underline; text-underline-offset: 5px; text-decoration-thickness: 1px; }

.ms-step .ms-dot svg {
  width: 36px;
  height: 36px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.35;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.ms-step h3 {
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.28;
  letter-spacing: 0;
  color: var(--vista-ink);
  margin-bottom: 8px;
}

.ms-step p {
  font-size: 12.5px;
  line-height: 1.55;
  color: #7c8385;
}

/* Panel de detalle que se abre al pulsar un hito */
.ms-detail {
  display: none;
  margin-top: 40px;
  padding: 26px clamp(22px, 3vw, 38px);
  background: #fff;
  border-left: 3px solid var(--vista-mint);
  position: relative;
}

.ms-detail.open { display: block; animation: msFade 0.28s ease both; }

@keyframes msFade {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: none; }
}

.ms-detail .d-date {
  display: block;
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-indent: 0.18em;
  text-transform: uppercase;
  color: var(--vista-ink-soft);
  margin-bottom: 10px;
}

.ms-detail h3 {
  font-family: var(--serif);
  font-size: clamp(18px, 1.9vw, 23px);
  font-weight: 600;
  color: var(--vista-ink);
  margin-bottom: 10px;
  padding-right: 40px;
}

.ms-detail p {
  font-size: 14px;
  line-height: 1.78;
  color: var(--vista-ink-soft);
  max-width: 68ch;
}

.ms-detail .d-close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 28px;
  height: 28px;
  border: 1px solid var(--vista-rule);
  background: none;
  color: var(--vista-ink-soft);
  font-size: 15px;
  line-height: 1;
  cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease;
}

.ms-detail .d-close:hover { background: var(--vista-dark-2); color: #fff; border-color: var(--vista-dark-2); }

/* ---------- 04 Partner ---------- */

/* VISTA tiene 4 partners, así que el titular pasa a ocupar toda la fila
   superior y los logos se reparten las 4 columnas de debajo. */
.partner-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  align-items: start;
}

.partner-intro { grid-column: 1 / -1; margin-bottom: clamp(30px, 3.6vw, 48px); }

.partner-intro .h-serif { font-size: clamp(23px, 2.3vw, 32px); }

.partner-col {
  padding: 4px clamp(16px, 2.2vw, 34px);
  border-left: 1px solid var(--vista-rule);
  min-height: 170px;
}

.partner-col .p-label {
  display: block;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-indent: 0.2em;
  text-transform: uppercase;
  color: var(--vista-ink-soft);
  margin-bottom: 26px;
}

/* Los logos se sirven en versión oscura (#16231f) sobre el fondo blanco.
   Alturas ópticas: los lockups de 2 líneas necesitan algo más de alto. */
.partner-col .p-logo { height: 34px; width: auto; margin-bottom: 18px; display: block; }
.partner-col .p-logo.is-christen { height: 42px; }
.partner-col .p-logo.is-stimo { height: 42px; margin-bottom: 12px; }

.partner-col address {
  font-style: normal;
  font-size: 13px;
  line-height: 1.62;
  color: var(--vista-ink);
}

.partner-col .p-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  font-size: 13px;
  color: var(--vista-ink);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-color: #c3ccc9;
}

.partner-col .p-link:hover { text-decoration-color: var(--vista-ink); }

.partner-col .p-dash {
  display: block;
  width: 26px;
  height: 1px;
  background: #b9c2bf;
  margin: 26px 0 20px;
}

.partner-col .p-note { font-size: 13px; color: var(--vista-ink); white-space: nowrap; }

/* ---------- 05 Galerie (sección nueva del mockup de VISTA) ---------- */

/* La cabecera repite el patrón de Meilensteine: titular a la izquierda,
   texto introductorio + botón a la derecha. */
.galerie .ms-head { margin-bottom: clamp(30px, 3.6vw, 46px); }
.galerie .ms-head p { padding-top: 6px; }

.gal-cta {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-top: 20px;
  padding: 11px 20px;
  border: 1px solid var(--vista-rule);
  background: transparent;
  font-family: var(--sans);
  font-size: 12.5px;
  font-weight: 500;
  color: var(--vista-ink);
  cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

.gal-cta:hover {
  background: var(--vista-dark);
  border-color: var(--vista-dark);
  color: #fff;
}

/* 2 imágenes grandes arriba + 3 más pequeñas debajo, como el mockup */
.gal-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 10px;
}

.gal-item {
  grid-column: span 2;
  appearance: none;
  -webkit-appearance: none;
  border: none;
  padding: 0;
  margin: 0;
  background: var(--vista-band);
  cursor: pointer;
  overflow: hidden;
  display: block;
  position: relative;
  aspect-ratio: 3 / 2;
}

.gal-item:nth-child(1),
.gal-item:nth-child(2) { grid-column: span 3; aspect-ratio: 16 / 9; }

.gal-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.gal-item:hover img,
.gal-item:focus-visible img { transform: scale(1.045); }
.gal-item:focus-visible { outline: 2px solid var(--vista-dark-2); outline-offset: 3px; }

/* la última tarjeta muestra cuántas imágenes quedan por ver */
.gal-item .gal-more {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(5, 37, 33, 0.58);
  color: #fff;
  font-family: var(--serif);
  font-size: clamp(17px, 1.8vw, 23px);
  letter-spacing: 0.01em;
  transition: background 0.3s ease;
}

.gal-item:hover .gal-more { background: rgba(5, 37, 33, 0.7); }

/* ---------- Lightbox ---------- */

.lb {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
  background: rgba(5, 37, 33, 0.96);
}

.lb.open { display: block; animation: lbFade 0.25s ease both; }

@keyframes lbFade { from { opacity: 0; } to { opacity: 1; } }

.lb-stage {
  position: absolute;
  inset: 62px 60px 58px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lb-stage img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  display: block;
}

.lb-btn {
  position: absolute;
  appearance: none;
  -webkit-appearance: none;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.34);
  color: #fff;
  width: 46px;
  height: 46px;
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.25s ease, border-color 0.25s ease, color 0.25s ease;
}

.lb-btn:hover {
  background: var(--vista-mint);
  border-color: var(--vista-mint);
  color: var(--vista-dark);
}

.lb-close { top: 18px; right: 22px; }
.lb-prev { left: 22px; top: 50%; transform: translateY(-50%); }
.lb-next { right: 22px; top: 50%; transform: translateY(-50%); }

.lb-count {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 20px;
  text-align: center;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-indent: 0.2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
}

@media (max-width: 900px) {
  .gal-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .gal-item,
  .gal-item:nth-child(1),
  .gal-item:nth-child(2) { grid-column: span 1; aspect-ratio: 3 / 2; }
  .lb-stage { inset: 58px 14px 62px; }
  .lb-prev { left: 12px; }
  .lb-next { right: 12px; }
  .lb-btn { width: 40px; height: 40px; }
}

@media (max-width: 520px) {
  .gal-grid { grid-template-columns: 1fr; }
}

/* ---------- 06 Kontakt ---------- */

.kontakt-s {
  background: var(--vista-dark);
  color: #fff;
  padding: clamp(52px, 5.4vw, 78px) 0;
}

.kontakt-grid {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: clamp(30px, 5vw, 76px);
  align-items: start;
}

.kontakt-s h2 { color: #fff; margin-bottom: 26px; }

.kontakt-s .k-p {
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.72);
  max-width: 40ch;
}

.kontakt-s .k-p + .k-p { margin-top: 16px; }

.kontakt-s .k-sign {
  display: block;
  margin-top: 30px;
  font-family: var(--serif);
  font-style: italic;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.9);
}

/* Formulario del mockup: inputs con borde fino sobre el verde */
.vista-form .f-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 14px;
}

.vista-form input[type="text"],
.vista-form input[type="email"],
.vista-form input[type="tel"],
.vista-form textarea {
  width: 100%;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 0;
  padding: 14px 16px;
  font-family: var(--sans);
  font-size: 13.5px;
  color: #fff;
  transition: border-color 0.25s ease;
}

.vista-form textarea {
  min-height: 118px;
  resize: vertical;
  display: block;
  margin-bottom: 18px;
}

.vista-form input::placeholder,
.vista-form textarea::placeholder { color: rgba(255, 255, 255, 0.55); }

.vista-form input:focus,
.vista-form textarea:focus {
  outline: none;
  border-color: var(--vista-mint);
}

.vista-form .f-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.vista-form .f-check {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  font-size: 11.5px;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.72);
  max-width: 42ch;
  cursor: pointer;
}

.vista-form .f-check input {
  appearance: none;
  -webkit-appearance: none;
  width: 15px;
  height: 15px;
  flex: none;
  margin-top: 1px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  background: transparent;
  cursor: pointer;
  position: relative;
}

.vista-form .f-check input:checked {
  background: var(--vista-mint);
  border-color: var(--vista-mint);
}

.vista-form .f-check input:checked::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 1px;
  width: 4px;
  height: 8px;
  border: solid var(--vista-dark);
  border-width: 0 1.6px 1.6px 0;
  transform: rotate(45deg);
}

.vista-form .f-check a { color: rgba(255, 255, 255, 0.9); text-decoration: underline; text-underline-offset: 3px; }

.vista-form .req { color: var(--vista-mint); }

/* ---------- Footer ---------- */

.footer-s {
  background: var(--vista-dark);
  color: rgba(255, 255, 255, 0.62);
  border-top: 1px solid rgba(255, 255, 255, 0.11);
  padding: 26px 0;
}

.footer-s .f-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  font-size: 11.5px;
}

.footer-s .brand-logo { height: 34px; }
.footer-s nav { display: flex; gap: 26px; }
.footer-s nav a:hover { color: #fff; }

/* ---------- Menú móvil ---------- */

/* Con 4 partners las columnas se quedan estrechas antes que el resto
   del layout, así que bajan a 2 en cuanto no caben cómodas. */
@media (max-width: 1040px) {
  .partner-grid { grid-template-columns: 1fr 1fr; row-gap: 34px; }
  .partner-col:nth-child(2),
  .partner-col:nth-child(4) { border-left: none; padding-left: 0; }
}

@media (max-width: 900px) {
  /* El logo y el botón de menú quedan POR ENCIMA de la capa del menú:
     así el logo sigue visible (y lleva a la Home) con el menú abierto. */
  .site-header .brand,
  .site-header .nav-toggle { position: relative; z-index: 2; }
  .site-header .main-nav { z-index: 1; background: var(--vista-dark); padding-top: 64px; }

  /* hamburguesa → cruz cuando el menú está abierto */
  .main-nav.open ~ .nav-toggle svg { display: none; }
  .main-nav.open ~ .nav-toggle::before {
    content: "✕";
    display: block;
    width: 26px;
    height: 26px;
    font-size: 21px;
    line-height: 26px;
    text-align: center;
  }
}

/* ---------- Responsive ---------- */

@media (max-width: 1100px) {
  .ms-steps { grid-template-columns: repeat(3, 1fr); gap: 34px 10px; }
  .ms-line { display: none; }
  .ms-step .ms-dot { box-shadow: none; }
}

@media (max-width: 900px) {
  .hero-vista {
    min-height: 88svh;
    padding-top: 120px;
    padding-bottom: 130px;
  }
  .hero-vista .hero-actions .btn { width: 100%; justify-content: center; }
  .hero-claim-box {
    left: var(--pad);
    right: auto;
    bottom: 34px;
    font-size: 9.5px;
    line-height: 1.7;
    /* en móvil el claim se va a la izquierda, así que el texto también */
    text-align: left;
  }
  .projekt-grid { grid-template-columns: 1fr; }
  .projekt-quote {
    border-left: none;
    border-top: 1px solid var(--vista-rule);
    padding: 26px 0 0;
    min-height: 0;
  }
  .ms-head { grid-template-columns: 1fr; align-items: start; }
  .kontakt-grid { grid-template-columns: 1fr; }
  .footer-s .f-inner { flex-direction: column; align-items: flex-start; gap: 16px; }
}

@media (max-width: 680px) {
  .ms-steps { grid-template-columns: repeat(2, 1fr); }
  .partner-grid { grid-template-columns: 1fr; }
  .partner-col {
    border-left: none;
    border-top: 1px solid var(--vista-rule);
    padding: 26px 0 0;
    margin-top: 26px;
    min-height: 0;
  }
  .partner-col:nth-child(2) { margin-top: 0; }
  .partner-col:nth-child(4) { border-left: none; }
  .vista-form .f-row { grid-template-columns: 1fr; }
  .vista-form .f-foot { flex-direction: column; align-items: stretch; }
  .vista-form .f-foot .btn { width: 100%; justify-content: center; }
}

@media (max-width: 1100px) {
  .ms-detail { margin-top: 22px; margin-bottom: 8px; text-align: left; }
  /* en móvil el panel se inserta dentro del grid, justo tras el hito pulsado */
  .ms-steps > .ms-detail { grid-column: 1 / -1; }
}

@media (max-width: 460px) {
  .ms-steps { grid-template-columns: 1fr; gap: 30px; }
  .ms-step .ms-date { min-height: 0; }
}