/* ==========================================================================
   GEIN S.A.S. — GERENCIA E INGENIERÍA
   Diseño Minimalista & Monumental (Estética ZHA en Negro Profundo + Identidad GEIN)
   ========================================================================== */

:root {
  --bg-black: #05070A;
  --bg-carbon: #090D13;
  --steel-blue: #0F2537;
  --slate-blue: #1E3A5F;
  --emerald: #00B495;
  --cyan-eng: #06B6D4;
  --pure-white: #FFFFFF;
  --text-secondary: #8E9BAE;
  --border-subtle: rgba(255, 255, 255, 0.09);

  --font-display: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;

  --ease-silk: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  background-color: var(--bg-black);
  color: var(--pure-white);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg-black);
  color: var(--pure-white);
}

::selection {
  background: var(--emerald);
  color: var(--bg-black);
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font-family: inherit;
  color: inherit;
  background: none;
  border: none;
}

.mono {
  font-family: var(--font-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.mono-index {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--emerald);
  display: inline-block;
}

.mono-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.text-emerald {
  color: var(--emerald);
  font-style: normal;
}

.text-cyan {
  color: var(--cyan-eng);
  font-style: normal;
}

.text-outline {
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(255, 255, 255, 0.88);
}

.container-zha {
  width: min(1440px, 90vw);
  margin-inline: auto;
}

.minimal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1.4rem;
  margin-bottom: 4.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

/* ==========================================================================
   PRELOADER MINIMALISTA
   ========================================================================== */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg-black);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.85s var(--ease-silk), visibility 0.85s var(--ease-silk);
}

.preloader.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.preloader__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.preloader__logo {
  height: 78px;
  width: auto;
}

.preloader__track {
  width: 180px;
  height: 1px;
  background: rgba(255, 255, 255, 0.12);
  overflow: hidden;
}

.preloader__bar {
  width: 0%;
  height: 100%;
  background: var(--emerald);
  transition: width 0.2s ease-out;
}

/* ==========================================================================
   BARRA DE PROGRESO SUPERIOR
   ========================================================================== */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 100%;
  background: var(--emerald);
  transform: scaleX(0);
  transform-origin: 0 50%;
  will-change: transform;
  z-index: 1200;
}

/* ==========================================================================
   HEADER CON EL LOGO OFICIAL ENVIADO
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.35rem 0;
  transition: background-color 0.5s var(--ease-silk), padding 0.5s var(--ease-silk), border-color 0.5s var(--ease-silk);
  border-bottom: 1px solid transparent;
}

.site-header.is-scrolled,
.site-header.is-menu-open {
  padding: 0.9rem 0;
  background: rgba(5, 7, 10, 0.94);
  backdrop-filter: blur(18px);
  border-bottom-color: var(--border-subtle);
}

.site-header__inner {
  width: min(1480px, 92vw);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
}

.site-header__logo {
  height: 54px;
  width: auto;
  transition: transform 0.5s var(--ease-silk);
}

.site-header.is-scrolled .site-header__logo {
  height: 46px;
}

.site-header__brand:hover .site-header__logo {
  transform: scale(1.02);
}

.site-header__nav {
  display: flex;
  align-items: center;
  gap: 2.8rem;
}

.nav-link {
  font-size: 0.84rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.72);
  position: relative;
  padding: 0.25rem 0;
  transition: color 0.35s ease;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--emerald);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.45s var(--ease-silk);
}

.nav-link:hover {
  color: var(--pure-white);
}

.nav-link:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.site-header__right {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.btn-minimal {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.7rem 1.25rem;
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: var(--pure-white);
  transition: background-color 0.4s var(--ease-silk), border-color 0.4s var(--ease-silk), color 0.4s var(--ease-silk);
}

.btn-minimal:hover {
  background: var(--emerald);
  border-color: var(--emerald);
  color: var(--bg-black);
}

.menu-toggle {
  width: 42px;
  height: 42px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--pure-white);
  transition: transform 0.4s var(--ease-silk);
}

.menu-toggle.is-active span:first-child {
  transform: translateY(3.75px) rotate(45deg);
}

.menu-toggle.is-active span:last-child {
  transform: translateY(-3.75px) rotate(-45deg);
}

@media (max-width: 980px) {
  .site-header {
    padding: 0.95rem 0;
  }
  .site-header.is-scrolled,
  .site-header.is-menu-open {
    padding: 0.75rem 0;
  }
  .site-header__logo,
  .site-header.is-scrolled .site-header__logo {
    height: 40px;
  }
  .site-header__nav,
  .btn-minimal {
    display: none;
  }
}

/* ==========================================================================
   MENÚ PANTALLA COMPLETA MINIMALISTA (RESPETANDO EL ESPACIO DEL HEADER)
   ========================================================================== */
.fullscreen-menu {
  position: fixed;
  top: var(--header-offset, 96px);
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 980;
  background: rgba(5, 7, 10, 0.98);
  backdrop-filter: blur(24px);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  padding: 2rem 0;
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.45s var(--ease-silk), visibility 0.45s var(--ease-silk), top 0.45s var(--ease-silk);
}

.fullscreen-menu.is-open {
  opacity: 1;
  visibility: visible;
}

.fullscreen-menu__inner {
  width: min(1100px, 88vw);
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: clamp(1.75rem, 3.8vh, 3rem);
}

.fullscreen-menu__links {
  display: flex;
  flex-direction: column;
}

.fs-link {
  display: flex;
  align-items: baseline;
  gap: 2rem;
  padding: clamp(0.85rem, 1.8vh, 1.25rem) 0;
  border-bottom: 1px solid var(--border-subtle);
  transition: transform 0.5s var(--ease-silk), color 0.35s ease;
}

.fs-link:first-child {
  border-top: 1px solid var(--border-subtle);
}

.fs-link span {
  font-size: 0.78rem;
  color: var(--emerald);
}

.fs-link strong {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 3.2vh, 2.75rem);
  letter-spacing: -0.02em;
}

.fs-link:hover {
  transform: translateX(18px);
  color: var(--emerald);
}

.fullscreen-menu__footer {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.72rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   00. HERO MONUMENTAL (PURO GPU: CLIP-PATH + TRANSLATE3D + SCALE3D)
   ========================================================================== */
.hero-stage {
  position: relative;
  height: 200vh;
  background: var(--bg-black);
}

.hero-sticky {
  position: absolute;
  top: 0;
  left: 0;
  height: 100vh;
  height: 100svh;
  width: 100%;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
}

.hero-sticky.is-pinned {
  position: fixed;
  top: 0;
  bottom: auto;
  left: 0;
  z-index: 5;
}

.hero-sticky.is-ended {
  position: absolute;
  top: auto;
  bottom: 0;
  left: 0;
}

.hero-media-frame {
  position: absolute;
  inset: 0;
  z-index: 1;
  /* Empieza como un pórtico arquitectónico enmarcado y se abre a 0% en scroll */
  clip-path: inset(13vh 7vw 13vh 7vw);
  will-change: clip-path;
}

.hero-media-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale3d(1.14, 1.14, 1);
  filter: brightness(0.62) contrast(1.08);
  will-change: transform;
}

.hero-media-vignette {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(5, 7, 10, 0.72) 0%,
    rgba(5, 7, 10, 0.22) 45%,
    rgba(5, 7, 10, 0.88) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 7.5rem 0 3.2rem;
  pointer-events: none;
}

.hero-top-meta {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.75);
  will-change: transform, opacity;
}

.hero-top-meta .sep {
  color: var(--emerald);
}

.hero-headline {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.9rem, 6.8vw, 6.6rem);
  line-height: 0.96;
  letter-spacing: -0.035em;
  text-transform: uppercase;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.hero-headline__line {
  display: block;
  will-change: transform;
}

.hero-headline__line--indent {
  align-self: flex-end;
  text-align: right;
}

.hero-bottom {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  padding-top: 1.75rem;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  will-change: transform, opacity;
}

.hero-summary {
  max-width: 480px;
  font-size: 1rem;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.84);
}

.scroll-indicator {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.68rem;
  color: var(--emerald);
}

.scroll-indicator__line {
  width: 56px;
  height: 1px;
  background: rgba(255, 255, 255, 0.2);
  position: relative;
  overflow: hidden;
}

.scroll-indicator__dot {
  position: absolute;
  left: 0;
  top: 0;
  width: 18px;
  height: 100%;
  background: var(--emerald);
}

@media (max-width: 900px) {
  .hero-media-frame {
    clip-path: inset(11vh 4vw 13vh 4vw);
  }
  .hero-content {
    padding: 5.8rem 0 2rem;
  }
  .hero-top-meta {
    font-size: 0.62rem;
    gap: 0.5rem;
    flex-wrap: wrap;
  }
  .hero-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    padding-top: 1.15rem;
  }
  .hero-summary {
    font-size: 0.9rem;
    line-height: 1.5;
  }
}

/* ==========================================================================
   01. CONCEPTO CENTRAL: ¿POR QUÉ GEIN? (MINIMALISMO Y AIRE EDITORIAL)
   ========================================================================== */
.concept-section {
  padding: 12rem 0;
  background: var(--bg-black);
}

.manifesto-wrap {
  margin: 2rem 0 8rem;
}

.manifesto-text {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.75rem, 3.6vw, 3.35rem);
  line-height: 1.22;
  letter-spacing: -0.025em;
  max-width: 1180px;
}

.manifesto-word {
  color: rgba(255, 255, 255, 0.16);
  transition: color 0.45s ease;
}

.manifesto-word.is-lit {
  color: var(--pure-white);
}

.manifesto-word.is-accent.is-lit {
  color: var(--emerald);
}

.duality-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 4rem;
  align-items: center;
  padding-top: 4rem;
  border-top: 1px solid var(--border-subtle);
}

.duality-panel {
  padding: 2.5rem 0;
  will-change: transform, opacity;
}

.duality-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.75rem, 2.6vw, 2.4rem);
  letter-spacing: -0.02em;
  margin: 0.75rem 0 1.15rem;
}

.duality-desc {
  color: var(--text-secondary);
  font-size: 1.05rem;
  font-weight: 300;
  max-width: 460px;
}

.duality-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.duality-iso {
  width: 92px;
  height: auto;
  will-change: transform;
}

@media (max-width: 960px) {
  .minimal-header {
    margin-bottom: 2.5rem;
    padding-bottom: 1rem;
  }
  .concept-section {
    padding: 6.5rem 0;
  }
  .manifesto-wrap {
    margin: 1rem 0 4.5rem;
  }
  .duality-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding-top: 2.5rem;
  }
  .duality-panel {
    padding: 1.25rem 0;
  }
  .duality-divider {
    justify-content: center;
    padding: 0.5rem 0;
  }
  .duality-iso {
    width: 72px;
  }
}

/* ==========================================================================
   02. LAS 4 DIVISIONES — GALERÍA HORIZONTAL ULTRA-FLUIDA (DESKTOP & MOBILE)
   ========================================================================== */
.divisions-stage {
  position: relative;
  height: 320vh;
  background: var(--bg-carbon);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.divisions-sticky {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  padding-top: 3.5rem;
}

.divisions-sticky.is-pinned {
  position: fixed;
  top: 0;
  bottom: auto;
  left: 0;
  width: 100%;
  z-index: 10;
}

.divisions-sticky.is-ended {
  position: absolute;
  top: auto;
  bottom: 0;
  left: 0;
  width: 100%;
}

.divisions-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 2.75rem;
}

.section-display-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.75rem, 3.8vw, 3.4rem);
  letter-spacing: -0.03em;
  margin-top: 0.4rem;
}

.divisions-counter {
  font-size: 1.1rem;
  color: var(--pure-white);
  flex-shrink: 0;
}

.divisions-counter #divisionCurrent {
  color: var(--emerald);
  font-weight: 700;
}

.divisions-counter__sep {
  color: var(--text-secondary);
  margin: 0 0.35rem;
}

.divisions-viewport {
  width: 100%;
  overflow: hidden;
}

.divisions-track {
  display: flex;
  gap: 3.5rem;
  padding-inline: max(5vw, calc((100vw - 1440px) / 2));
  width: max-content;
  will-change: transform;
}

.division-card {
  width: min(980px, 82vw);
  height: min(540px, 64vh);
  background: var(--bg-black);
  border: 1px solid var(--border-subtle);
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  overflow: hidden;
}

.division-card__media {
  position: relative;
  overflow: hidden;
  height: 100%;
}

.division-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.8) contrast(1.06);
  transition: transform 1.1s var(--ease-silk);
}

.division-card:hover .division-card__img {
  transform: scale3d(1.05, 1.05, 1);
}

.division-card__body {
  padding: 3.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-left: 1px solid var(--border-subtle);
}

.division-card__num {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 3.2rem;
  line-height: 1;
  color: rgba(255, 255, 255, 0.12);
}

.division-card__text h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.35rem, 2.2vw, 2.1rem);
  line-height: 1.14;
  margin: 0.6rem 0 1rem;
}

.division-card__text p {
  color: var(--text-secondary);
  font-size: 0.98rem;
  font-weight: 300;
  line-height: 1.65;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.74rem;
  color: var(--emerald);
  transition: color 0.3s ease, padding-right 0.4s var(--ease-silk);
}

.link-arrow:hover {
  color: var(--pure-white);
  padding-right: 0.5rem;
}

@media (max-width: 960px) {
  .divisions-sticky {
    padding-top: 4.5rem;
  }
  .divisions-header {
    margin-bottom: 1.25rem;
    gap: 1rem;
  }
  .divisions-track {
    gap: 1.25rem;
    padding-inline: 5vw;
  }
  .division-card {
    width: 85vw;
    height: min(64vh, 470px);
    height: min(64svh, 470px);
    grid-template-columns: 1fr;
    grid-template-rows: 40% 60%;
  }
  .division-card__body {
    padding: 1.35rem 1.5rem;
    border-left: none;
    border-top: 1px solid var(--border-subtle);
  }
  .division-card__num {
    font-size: 1.85rem;
  }
  .division-card__text h3 {
    margin: 0.3rem 0 0.5rem;
    font-size: 1.25rem;
  }
  .division-card__text p {
    font-size: 0.88rem;
    line-height: 1.48;
  }
  .link-arrow {
    padding-top: 0.85rem;
    font-size: 0.68rem;
  }
}

/* ==========================================================================
   03. OBRAS & ESCALA ARQUITECTÓNICA (ESPACIO NEGATIVO + CORTINAS GPU)
   ========================================================================== */
.works-section {
  padding: 12rem 0;
  background: var(--bg-black);
}

.works-headline {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.1rem, 4.4vw, 4.1rem);
  line-height: 1.06;
  letter-spacing: -0.03em;
  max-width: 960px;
  margin-bottom: 6rem;
}

.works-gallery {
  display: flex;
  flex-direction: column;
  gap: 7rem;
}

.work-item__frame {
  position: relative;
  overflow: hidden;
  background: var(--bg-carbon);
  aspect-ratio: 16 / 9;
  will-change: clip-path;
}

.work-item--wide .work-item__frame {
  aspect-ratio: 21 / 9;
}

.work-item__img {
  width: 100%;
  height: 116%;
  object-fit: cover;
  filter: brightness(0.84) contrast(1.05);
  will-change: transform;
}

.work-item__caption {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  padding-top: 1.5rem;
}

.work-item__caption h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.25rem, 1.8vw, 1.65rem);
  margin-top: 0.35rem;
}

.work-item__tag {
  font-size: 0.72rem;
  color: var(--text-secondary);
}

.works-pair {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 5rem;
  align-items: start;
}

.work-item--pushed {
  margin-top: 8rem;
}

@media (max-width: 960px) {
  .works-section {
    padding: 6.5rem 0;
  }
  .works-headline {
    margin-bottom: 3.5rem;
  }
  .works-gallery {
    gap: 4rem;
  }
  .works-pair {
    grid-template-columns: 1fr;
    gap: 3.5rem;
  }
  .work-item--pushed {
    margin-top: 0;
  }
  .work-item__frame,
  .work-item--wide .work-item__frame {
    aspect-ratio: 4 / 3;
  }
  .work-item__caption {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
}

/* ==========================================================================
   04. MÉTODO GEIN: 4 PILARES EN LÁMINAS APILABLES MINIMALISTAS
   ========================================================================== */
.pillars-section {
  padding: 12rem 0;
  background: var(--bg-carbon);
  border-top: 1px solid var(--border-subtle);
}

.stack-list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.stack-panel {
  position: sticky;
  top: calc(100px + (var(--i) * 24px));
  background: var(--bg-black);
  border: 1px solid rgba(255, 255, 255, 0.11);
  padding: 3.5rem 4rem;
  display: grid;
  grid-template-columns: 120px 1fr auto;
  align-items: center;
  gap: 3rem;
  box-shadow: 0 -20px 50px rgba(0, 0, 0, 0.65);
  will-change: transform;
}

.stack-panel__num {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.8rem, 4.5vw, 4.2rem);
  line-height: 1;
  color: var(--emerald);
}

.stack-panel__content h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.4rem, 2.2vw, 2rem);
  margin-bottom: 0.6rem;
}

.stack-panel__content p {
  color: var(--text-secondary);
  font-size: 1.02rem;
  font-weight: 300;
  max-width: 640px;
}

.stack-panel__tag {
  font-size: 0.72rem;
  color: var(--text-secondary);
  padding: 0.5rem 0.9rem;
  border: 1px solid var(--border-subtle);
}

@media (max-width: 900px) {
  .pillars-section {
    padding: 6.5rem 0;
  }
  .stack-list {
    gap: 1.35rem;
  }
  .stack-panel {
    top: calc(70px + (var(--i) * 14px));
    grid-template-columns: 1fr;
    gap: 0.9rem;
    padding: 1.75rem 1.5rem;
  }
  .stack-panel__num {
    font-size: 2.2rem;
  }
  .stack-panel__content p {
    font-size: 0.92rem;
  }
  .stack-panel__tag {
    justify-self: start;
    font-size: 0.65rem;
  }
}

/* ==========================================================================
   05. CONTACTO & SOLICITUD DE PRESUPUESTO (MINIMALISTA Y EJECUTIVO)
   ========================================================================== */
.contact-section {
  padding: 12rem 0;
  background: var(--bg-black);
  border-top: 1px solid var(--border-subtle);
}

.contact-layout {
  display: grid;
  grid-template-columns: 0.95fr 1.25fr;
  gap: 6rem;
  align-items: start;
}

.contact-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 3.8vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}

.contact-lead {
  color: var(--text-secondary);
  font-size: 1.05rem;
  font-weight: 300;
  margin-bottom: 3rem;
}

.contact-brand-logo {
  height: 68px;
  width: auto;
  opacity: 0.9;
}

.minimal-form {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.minimal-form__pills {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.85rem;
}

.pill-btn {
  text-align: left;
  padding: 1.05rem 1.25rem;
  border: 1px solid var(--border-subtle);
  background: var(--bg-carbon);
  font-family: var(--font-display);
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: border-color 0.35s ease, color 0.35s ease, background-color 0.35s ease;
}

.pill-btn.is-active,
.pill-btn:hover {
  border-color: var(--emerald);
  color: var(--pure-white);
  background: rgba(0, 180, 149, 0.08);
}

.minimal-form__row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.minimal-input {
  width: 100%;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--pure-white);
  font-size: 1rem;
  font-weight: 300;
  border-radius: 0;
  transition: border-color 0.35s ease;
}

.minimal-input option {
  background: var(--bg-carbon);
  color: var(--pure-white);
}

.minimal-input:focus {
  outline: none;
  border-bottom-color: var(--emerald);
}

.minimal-form__footer {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding-top: 1rem;
}

.btn-submit-arch {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 2rem;
  background: var(--pure-white);
  color: var(--bg-black);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  cursor: pointer;
  transition: background-color 0.4s var(--ease-silk), color 0.4s var(--ease-silk);
}

.btn-submit-arch:hover {
  background: var(--emerald);
  color: var(--bg-black);
}

.form-feedback {
  font-size: 0.75rem;
  color: var(--emerald);
  min-height: 1.2rem;
}

@media (max-width: 960px) {
  .contact-section {
    padding: 6.5rem 0;
  }
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .contact-brand-logo {
    height: 52px;
  }
  .minimal-form__pills {
    grid-template-columns: 1fr;
    gap: 0.65rem;
  }
  .minimal-form__row {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
  .btn-submit-arch {
    padding: 1.15rem 1.35rem;
    font-size: 0.72rem;
  }
}

/* ==========================================================================
   FOOTER MINIMALISTA
   ========================================================================== */
.site-footer {
  padding: 5rem 0 3rem;
  background: var(--bg-black);
  border-top: 1px solid var(--border-subtle);
  overflow: hidden;
}

.site-footer__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 2rem;
}

.site-footer__logo {
  height: 56px;
  width: auto;
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem;
  font-size: 0.74rem;
  color: var(--text-secondary);
}

.site-footer__links a:hover {
  color: var(--pure-white);
}

.site-footer__giant {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(5rem, 21vw, 19rem);
  line-height: 0.82;
  letter-spacing: 0.06em;
  text-align: center;
  color: rgba(255, 255, 255, 0.035);
  padding: 3rem 0;
  user-select: none;
}

.site-footer__bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.68rem;
  color: var(--text-secondary);
}