/* =========================================================
   PUIG & ASOCIADOS — styles.css
   1. Tokens  2. Base  3. Utilidades  4. Header  5. Hero
   6. Secciones  7. Formulario  8. Footer  9. Responsive
   ========================================================= */

/* ---------- 1. TOKENS ---------- */
:root {
  /* Color institucional extraído del logo original */
  --brand-green:        #2DA172;  /* verde oficial del manual de marca */
  --brand-green-dark:   #1C7352;  /* botones y texto verde: contraste AA (5.8:1) */
  --brand-green-deep:   #0C3E2C;  /* Mi Unidad y pie de página */
  --brand-green-soft:   #E8F5EE;
  --brand-green-line:   #CBE6D8;

  --color-text:         #16211D;
  --color-muted:        #5A6864;
  --color-white:        #FFFFFF;
  --color-background:   #FFFFFF;
  --color-background-alt:#F5F8F6;
  --color-border:       #E4EAE7;

  --font-display: "Montserrat", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-body: "Lato", "Segoe UI", system-ui, -apple-system, sans-serif;

  --container: 1220px;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);

  --space-xs: .5rem;
  --space-sm: 1rem;
  --space-md: 1.75rem;
  --space-lg: 3rem;
  --section-y: clamp(4rem, 9vw, 7.5rem);

  --radius-sm: 4px;
  --radius: 10px;
  --radius-lg: 16px;

  --shadow-sm: 0 1px 2px rgba(12, 62, 44, .05);
  --shadow-md: 0 10px 30px rgba(12, 62, 44, .08);
  --shadow-lg: 0 22px 60px rgba(12, 62, 44, .12);

  --t-fast: 160ms ease;
  --t: 220ms ease;
  --t-slow: 420ms cubic-bezier(.22,.61,.36,1);

  --header-h: 92px;
}

/* ---------- 2. BASE ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 12px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--color-background);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: clamp(1rem, .96rem + .2vw, 1.0625rem);
  line-height: 1.7;
  overflow-x: hidden;
}

img, picture, svg { max-width: 100%; }
img { height: auto; display: block; }

h1, h2, h3 {
  font-family: var(--font-display);
  line-height: 1.14;
  letter-spacing: -.02em;
  margin: 0 0 var(--space-sm);
  font-weight: 600;
}

p { margin: 0 0 var(--space-sm); }

a { color: var(--brand-green-dark); text-decoration: none; }
a:hover { color: var(--brand-green); }

ul, ol { margin: 0; padding: 0; list-style: none; }

:focus-visible {
  outline: 3px solid var(--brand-green);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 2000;
  background: var(--brand-green-dark);
  color: #fff;
  padding: .75rem 1.25rem;
  border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { left: 0; color: #fff; }

/* ---------- 3. UTILIDADES ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: var(--section-y); }
.section-alt { background: var(--color-background-alt); }

.eyebrow {
  font-family: var(--font-display);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--brand-green-dark);
  margin: 0 0 .9rem;
}
.eyebrow-light { color: #9FD9BE; }

.section-title {
  font-size: clamp(1.75rem, 1.15rem + 2.4vw, 2.85rem);
  max-width: 22ch;
}
.section-title.display {
  font-size: clamp(2rem, 1.1rem + 3.6vw, 3.6rem);
  font-weight: 700;
  letter-spacing: -.03em;
}
.section-lead {
  color: var(--color-muted);
  max-width: 60ch;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

/* Botones */
.btn {
  --btn-bg: var(--brand-green-dark);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  min-height: 48px;
  padding: .8rem 1.6rem;
  font-family: var(--font-display);
  font-size: .95rem;
  font-weight: 600;
  letter-spacing: .01em;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--t), color var(--t), border-color var(--t), transform var(--t-fast);
}
.btn:active { transform: translateY(1px); }

.btn-primary { background: var(--btn-bg); color: #fff; }
.btn-primary:hover { background: var(--brand-green-deep); color: #fff; }

.btn-outline {
  background: rgba(255,255,255,.72);
  color: var(--brand-green-deep);
  border-color: var(--brand-green-dark);
}
.btn-outline:hover { background: var(--brand-green-deep); color: #fff; border-color: var(--brand-green-deep); }

.btn-light { background: #fff; color: var(--brand-green-deep); }
.btn-light:hover { background: var(--brand-green-soft); color: var(--brand-green-deep); }

.btn-block { display: flex; width: 100%; }

/* Reveal — solo se ocultan si JavaScript está disponible */
.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity var(--t-slow), transform var(--t-slow);
}
.js .reveal.is-visible { opacity: 1; transform: none; }

/* ---------- 4. HEADER ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: #fff;
  border-bottom: 1px solid rgba(228,234,231,.75);
  transition: box-shadow var(--t), border-color var(--t), background var(--t);
}
.site-header.is-scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: 0 1px 14px rgba(12,62,44,.07);
  background: rgba(255,255,255,.94);
  backdrop-filter: saturate(160%) blur(8px);
}

.header-inner {
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: clamp(.75rem, 2vw, 1.75rem);
}

.brand { display: flex; align-items: center; gap: .7rem; flex: 0 0 auto; }
@media (min-width: 1025px) {
  .nav-desktop { margin-inline: auto; }
}
.brand-logo { height: 46px; width: auto; }

.nav-desktop { margin-left: auto; flex: 0 0 auto; }
.nav-list { display: flex; align-items: center; flex-wrap: nowrap; }
.nav-list li + li { border-left: 1px solid var(--color-border); }

.nav-link {
  display: block;
  padding: .35rem clamp(.5rem, 1vw, .95rem);
  font-family: var(--font-display);
  font-size: .76rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: #3B4744;
  white-space: nowrap;
  position: relative;
  transition: color var(--t);
}
.nav-link::after {
  content: "";
  position: absolute;
  left: clamp(.5rem, 1vw, .95rem);
  right: clamp(.5rem, 1vw, .95rem);
  bottom: -6px;
  height: 2px;
  background: var(--brand-green);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--t);
}
.nav-link:hover { color: var(--brand-green-dark); }
.nav-link.is-active { color: var(--brand-green-dark); }
.nav-link.is-active::after { transform: scaleX(1); }

.btn-header {
  margin-left: clamp(.5rem, 1.2vw, 1rem);
  padding: .7rem 1.05rem;
  font-size: .76rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  white-space: nowrap;
  flex: 0 0 auto;
}

.menu-toggle {
  display: none;
  margin-left: auto;
  width: 48px; height: 48px;
  align-items: center; justify-content: center;
  background: none; border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.menu-bars { display: block; width: 20px; }
.menu-bars span {
  display: block; height: 2px; background: var(--color-text);
  transition: transform var(--t), opacity var(--t-fast);
}
.menu-bars span + span { margin-top: 5px; }
.menu-toggle[aria-expanded="true"] .menu-bars span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-bars span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] .menu-bars span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Menú mobile */
.mobile-menu {
  position: fixed;
  inset: var(--header-h) 0 0;
  z-index: 999;
  background: #fff;
  padding: 1.5rem var(--gutter) 2.5rem;
  overflow-y: auto;
}
.mobile-menu[hidden] { display: none; }
.mobile-list { border-top: 1px solid var(--color-border); margin-bottom: 1.5rem; }
.mobile-list a {
  display: block;
  padding: 1rem .25rem;
  border-bottom: 1px solid var(--color-border);
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text);
}
.mobile-list a:hover { color: var(--brand-green-dark); }
.mobile-phone {
  display: block;
  text-align: center;
  margin-top: 1rem;
  font-weight: 500;
}
body.menu-open { overflow: hidden; }

/* ---------- 5. HERO ---------- */
.hero { position: relative; background: var(--color-background); }

.hero-media { position: relative; }
.hero-media img {
  width: 100%;
  height: clamp(300px, 52vw, 460px);
  object-fit: cover;
  object-position: 74% 62%;
}

.hero-veil {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,.5) 0%, rgba(255,255,255,0) 42%);
  pointer-events: none;
}

/* Geometría diagonal superior (según la referencia) */
.hero-diagonals {
  position: absolute; top: 0; left: 0;
  width: 100%;
  height: clamp(38px, 5.5vw, 96px);
  display: block;
  pointer-events: none;
}

.hero-inner { position: relative; }

.hero-body {
  padding-block: clamp(1.75rem, 4vw, 3rem) clamp(1.5rem, 3vw, 2.5rem);
  padding-inline: clamp(1.25rem, 5vw, 6.5rem);
  max-width: 780px;
}

.hero-logo {
  height: clamp(88px, 11vw, 152px);
  width: auto;
  margin-bottom: clamp(.75rem, 1.6vw, 1.4rem);
}

.hero-title { margin-bottom: 1.15rem; }

.hero-title-sm {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(.9rem, .74rem + .72vw, 1.3rem);
  font-weight: 500;
  letter-spacing: .26em;
  line-height: 1.1;
  text-transform: uppercase;
  color: #2C3835;
  margin-bottom: .1rem;
}

.hero-title-lg {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2rem, .95rem + 3.4vw, 4.4rem);
  font-weight: 800;
  letter-spacing: -.015em;
  line-height: 1;
  text-transform: uppercase;
  color: var(--brand-green-dark);
}

.hero-text {
  max-width: 34ch;
  margin-bottom: .85rem;
  color: #2F3B37;
  font-size: clamp(.98rem, .94rem + .2vw, 1.08rem);
  line-height: 1.6;
}

.hero-claim {
  position: relative;
  padding-left: .9rem;
  margin: 0 0 1.5rem;
  font-family: var(--font-display);
  font-size: clamp(.95rem, .9rem + .25vw, 1.08rem);
  font-weight: 600;
  line-height: 1.45;
  color: var(--brand-green-deep);
  max-width: 34ch;
}
.hero-claim::before {
  content: "";
  position: absolute; left: 0; top: .3em; bottom: .3em;
  width: 3px; background: var(--brand-green);
}

.hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; }

.hero-actions .btn {
  border-radius: 0;
  text-transform: uppercase;
  letter-spacing: .08em;
  font-size: .82rem;
  padding: .95rem 1.5rem;
}

.hero-actions .btn-primary .arrow {
  display: inline-block;
  width: 22px; height: 1px;
  position: relative;
  background: currentColor;
  margin-left: .55rem;
  transition: width var(--t);
}
.hero-actions .btn-primary .arrow::after {
  content: "";
  position: absolute; right: 0; top: -3px;
  width: 7px; height: 7px;
  border-top: 1px solid currentColor;
  border-right: 1px solid currentColor;
  transform: rotate(45deg);
}
.hero-actions .btn-primary:hover .arrow { width: 30px; }

/* ---------- 6. SECCIONES ---------- */

/* Frase post-hero */
.statement { padding-block: clamp(3rem, 6vw, 4.5rem) clamp(1rem, 2vw, 1.5rem); }
.statement-text {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, .95rem + 1vw, 1.6rem);
  font-weight: 500;
  line-height: 1.45;
  letter-spacing: -.015em;
  max-width: 46ch;
  margin: 0;
  color: #24312C;
}

/* Valores */
.values { background: var(--brand-green-soft); border-bottom: 5px solid var(--brand-green); }
.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding-block: clamp(2.25rem, 4vw, 3.25rem);
}
.values-grid .value { padding-inline: clamp(1rem, 2vw, 2rem); text-align: center; }
.values-grid .value + .value { border-left: 1px solid var(--brand-green-line); }
.value-icon { display: inline-flex; color: var(--brand-green-dark); margin-bottom: .75rem; }
.value-icon svg { width: 38px; height: 38px; }
.value-title {
  font-size: .95rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--brand-green-dark);
  margin-bottom: .5rem;
}
.value-text { font-size: .92rem; color: #40514B; margin: 0; }

/* Quiénes somos */
.about-grid { display: grid; grid-template-columns: 300px 1fr; gap: clamp(2rem, 5vw, 4.5rem); }
.about-aside { border-top: 3px solid var(--brand-green); padding-top: 1.25rem; }
.big-year {
  font-family: var(--font-display);
  font-size: clamp(4rem, 2rem + 8vw, 7rem);
  font-weight: 700;
  line-height: .9;
  letter-spacing: -.05em;
  color: var(--brand-green-deep);
  margin: 0 0 1rem;
}
.about-aside-note { font-size: .95rem; color: var(--color-muted); margin: 0; max-width: 30ch; }
.about-body > p { max-width: 62ch; color: #35403C; }
.about-body .section-title { margin-bottom: 1.5rem; }

.pullquote {
  margin: 1.75rem 0;
  padding: 1.25rem 0 1.25rem 1.5rem;
  border-left: 3px solid var(--brand-green);
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 1rem + .8vw, 1.55rem);
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: -.02em;
  color: var(--brand-green-deep);
  max-width: 34ch;
}

/* Diferencial */
.diff-head {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
  margin-bottom: clamp(3rem, 6vw, 4.5rem);
}
.diff-head-title .eyebrow { margin-bottom: 1rem; }
.diff-head-title .section-title {
  margin-bottom: 0;
  max-width: none;
  font-size: clamp(1.9rem, 1.05rem + 2.9vw, 3.15rem);
}
.diff-copy p { color: #35403C; margin-bottom: 1rem; }
.diff-copy p:last-child { margin-bottom: 0; }
.diff-copy p:first-child {
  font-family: var(--font-display);
  font-size: clamp(1.05rem, .95rem + .5vw, 1.25rem);
  font-weight: 600;
  line-height: 1.45;
  color: var(--brand-green-deep);
  margin-bottom: 1.25rem;
}

/* Proceso: cinco pasos sobre una línea, estilo editorial */
.process {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border-top: 1px solid var(--brand-green-line);
}
.process-step {
  position: relative;
  padding: 1.6rem clamp(.75rem, 1.6vw, 1.5rem) .25rem 0;
}
.process-step + .process-step {
  padding-left: clamp(1rem, 2vw, 2rem);
  border-left: 1px solid var(--color-border);
}
.process-step::before {
  content: "";
  position: absolute;
  top: -6px;
  left: 0;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--color-background-alt);
  border: 2px solid var(--brand-green);
}
.process-step + .process-step::before { left: clamp(1rem, 2vw, 2rem); margin-left: -5px; }
.process-step-last::before { background: var(--brand-green); }

.process-num {
  display: block;
  font-family: var(--font-display);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .16em;
  color: var(--brand-green);
  margin-bottom: .5rem;
}
.process-name {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1rem, .92rem + .35vw, 1.2rem);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -.01em;
  color: var(--brand-green-deep);
  text-wrap: balance;
}
.process-step-last .process-name { color: var(--brand-green-dark); }

.diff-final {
  margin: clamp(3rem, 6vw, 4.5rem) auto 0;
  padding-top: clamp(1.75rem, 3vw, 2.5rem);
  border-top: 3px solid var(--brand-green);
  max-width: 46ch;
  text-align: center;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, .95rem + .9vw, 1.6rem);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -.015em;
  color: var(--brand-green-deep);
}

/* Servicios */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1rem, 2vw, 1.5rem); }
.service-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: clamp(1.4rem, 2.4vw, 1.9rem);
  transition: border-color var(--t), box-shadow var(--t), transform var(--t);
}
.service-card:hover { border-color: var(--brand-green-line); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.service-icon { display: inline-flex; color: var(--brand-green-dark); margin-bottom: 1rem; }
.service-icon svg { width: 32px; height: 32px; }
.service-title { font-size: 1.15rem; font-weight: 600; margin-bottom: .5rem; }
.service-desc { font-size: .95rem; color: var(--color-muted); margin-bottom: 1rem; }

.service-toggle {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  margin-top: auto;
  padding: .6rem 0;
  min-height: 44px;
  background: none;
  border: 0;
  font-family: var(--font-display);
  font-size: .85rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--brand-green-dark);
  cursor: pointer;
  transition: color var(--t);
}
.service-toggle:hover { color: var(--brand-green-deep); }
.service-toggle-icon {
  position: relative;
  width: 12px; height: 12px;
}
.service-toggle-icon::before,
.service-toggle-icon::after {
  content: "";
  position: absolute; left: 0; top: 5px;
  width: 12px; height: 2px; background: currentColor;
  transition: transform var(--t);
}
.service-toggle-icon::after { transform: rotate(90deg); }
.service-toggle[aria-expanded="true"] .service-toggle-icon::after { transform: rotate(0deg); }

.service-detail { border-top: 1px solid var(--color-border); padding-top: .9rem; }
.service-detail[hidden] { display: none; }
.service-detail li {
  position: relative;
  padding-left: 1.1rem;
  font-size: .93rem;
  color: #40514B;
  margin-bottom: .45rem;
}
.service-detail li::before {
  content: "";
  position: absolute; left: 0; top: .65em;
  width: 6px; height: 1px; background: var(--brand-green);
}

/* Edificios */
.edificios {
  /* mismas columnas y mismo gap en el encabezado y en la lista,
     para que todo caiga sobre la misma grilla */
  --edificios-gap: clamp(1.5rem, 3vw, 3rem);
}
.edificios-head {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--edificios-gap);
  align-items: end;
  margin-bottom: clamp(2.5rem, 5vw, 3.75rem);
}
.edificios-head-title { grid-column: 1 / 3; }
.edificios-head .section-title { margin-bottom: 0; max-width: 18ch; }
.edificios-lead {
  grid-column: 3 / 4;
  margin: 0;
  color: #35403C;
}

.edificios-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0 var(--edificios-gap);
  border-top: 1px solid var(--brand-green-line);
}
.edificio {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: .2rem;
  padding: 1.15rem 0 1.15rem 1.6rem;
  border-bottom: 1px solid var(--color-border);
}
.edificio::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.55rem;
  width: 8px;
  height: 8px;
  border: 2px solid var(--brand-green);
  border-radius: 2px;
  transform: rotate(45deg);
}
.edificio-nombre {
  font-family: var(--font-display);
  font-size: clamp(.98rem, .92rem + .25vw, 1.08rem);
  font-weight: 600;
  line-height: 1.3;
  color: var(--brand-green-deep);
}
.edificio-barrio {
  font-size: .85rem;
  letter-spacing: .04em;
  color: var(--color-muted);
}

/* Mi Unidad */
.unidad { background: var(--brand-green-deep); color: #E7F2EC; }
.unidad .section-title { color: #fff; max-width: 22ch; font-size: clamp(1.8rem, 1.1rem + 2.6vw, 2.9rem); }
.unidad-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.unidad-text { max-width: 46ch; color: #C3DCD0; }
.unidad .btn-light { margin-top: 1rem; }
.unidad-note { margin-top: 1rem; font-size: .9rem; color: #9FBFB1; max-width: 42ch; }

.unidad-list {
  border-top: 1px solid rgba(255,255,255,.16);
}
.unidad-list li {
  position: relative;
  padding: .9rem 0 .9rem 2rem;
  border-bottom: 1px solid rgba(255,255,255,.16);
  color: #DCEDE4;
  font-size: .97rem;
}
.unidad-list li::before {
  content: "";
  position: absolute; left: .3rem; top: 1.45em;
  width: 12px; height: 6px;
  border-left: 2px solid var(--brand-green);
  border-bottom: 2px solid var(--brand-green);
  transform: rotate(-45deg);
}

/* Estamos cerca */
.cerca-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.cerca-media img {
  border-radius: var(--radius-lg);
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: 50% 50%;
}
.cerca-copy p { max-width: 52ch; color: #35403C; }

/* Captación */
.propuesta-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.propuesta-copy p { max-width: 50ch; color: #35403C; }
.propuesta-alt { font-size: .95rem; color: var(--color-muted); }

/* Contacto */
.contacto-head {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
  margin-bottom: clamp(2.5rem, 5vw, 3.75rem);
}
.contacto-head .section-title { margin-bottom: 0; max-width: 16ch; }
.contacto-lead {
  margin: 0;
  color: #35403C;
  max-width: 46ch;
  padding-top: .35rem;
}

.contacto-canales {
  display: grid;
  grid-template-columns: repeat(2, 1fr);  /* cuatro canales en dos filas */
  gap: clamp(1rem, 2vw, 1.5rem);
}
.contact-btn {
  display: flex;
  align-items: flex-start;
  gap: clamp(.75rem, 1.2vw, 1rem);
  height: 100%;
  padding: 1.35rem clamp(1rem, 1.4vw, 1.4rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: #fff;
  color: var(--color-text);
  transition: border-color var(--t), box-shadow var(--t), transform var(--t-fast);
}
.contact-btn:hover,
.contact-btn:focus-visible {
  border-color: var(--brand-green);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  color: var(--color-text);
}
.contact-btn-icon {
  flex: 0 0 auto;
  display: inline-flex; align-items: center; justify-content: center;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--brand-green-soft);
  color: var(--brand-green-dark);
}
.contact-btn-icon svg { width: 23px; height: 23px; }
.contact-btn-text { min-width: 0; }
.contact-btn-text strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 600;
  margin-bottom: .1rem;
}
.contact-btn-dato {
  display: block;
  font-size: clamp(.8rem, .68rem + .28vw, .9rem);
  color: var(--color-muted);
  overflow-wrap: anywhere;
}
.contact-btn-nota {
  display: block;
  margin-top: .3rem;
  font-size: .8rem;
  line-height: 1.45;
  color: var(--color-muted);
}

.contacto-pie {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: .75rem 2rem;
  margin-top: clamp(2.5rem, 5vw, 3.5rem);
  padding-top: clamp(1.5rem, 3vw, 2rem);
  border-top: 1px solid var(--color-border);
}
.contacto-brand {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--brand-green-deep);
}
.contacto-brand span {
  font-weight: 400;
  font-size: .95rem;
  color: var(--color-muted);
  margin-left: .6rem;
}
.contacto-web { margin: 0; }
.contacto-web a {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .98rem;
}

/* ---------- 7. FORMULARIO ---------- */
.form-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  box-shadow: var(--shadow-sm);
}
.form-title { font-size: 1.25rem; margin-bottom: 1.25rem; }
.field { margin-bottom: 1rem; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.field label {
  display: block;
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .04em;
  margin-bottom: .35rem;
  color: #2C3835;
}
.field input, .field textarea {
  width: 100%;
  min-height: 48px;
  padding: .7rem .9rem;
  font: inherit;
  font-size: 1rem;
  color: var(--color-text);
  background: #FCFDFC;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--t), box-shadow var(--t);
}
.field textarea { resize: vertical; min-height: 120px; }
.field input:hover, .field textarea:hover { border-color: var(--brand-green-line); }
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--brand-green);
  box-shadow: 0 0 0 3px rgba(45,161,114,.20);
}
.field input[aria-invalid="true"], .field textarea[aria-invalid="true"] { border-color: #B3261E; }
.field-error { margin: .35rem 0 0; font-size: .82rem; color: #B3261E; }
.field-error[hidden] { display: none; }

.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.form-status { margin: 1rem 0 0; font-size: .93rem; min-height: 1.2em; }
.form-status.is-ok { color: var(--brand-green-dark); font-weight: 600; }
.form-status.is-error { color: #B3261E; }

/* ---------- 8. FOOTER ---------- */
.site-footer { background: var(--brand-green-deep); color: #C3DCD0; padding-top: clamp(3rem, 6vw, 4.5rem); }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr;
  gap: clamp(2rem, 5vw, 4rem);
  padding-bottom: clamp(2rem, 4vw, 3rem);
}
.footer-logo { height: 104px; width: auto; }
.footer-tag { margin-top: 1rem; font-size: .93rem; }
.footer-heading {
  font-size: .76rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase;
  color: #7FB79C; margin-bottom: 1rem;
}
.site-footer li { margin-bottom: .55rem; }
.site-footer a { color: #DCEDE4; font-size: .95rem; overflow-wrap: anywhere; }
.site-footer a:hover { color: #fff; text-decoration: underline; text-underline-offset: 3px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.14);
  padding-block: 1.5rem;
  font-size: .85rem;
  color: #8FB3A3;
}
.footer-bottom p { margin: 0; }

/* WhatsApp flotante */
.wa-float {
  position: fixed;
  right: clamp(1rem, 2vw, 1.75rem);
  bottom: clamp(1rem, 2vw, 1.75rem);
  z-index: 900;
  display: flex; align-items: center; gap: .75rem;
  padding: .5rem;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  box-shadow: var(--shadow-lg);
  color: var(--color-text);
  transition: transform var(--t), box-shadow var(--t);
}
.wa-float:hover { transform: translateY(-2px); color: var(--color-text); }
.js .wa-float { opacity: 0; visibility: hidden; transform: translateY(10px); }
.js .wa-float.is-visible { opacity: 1; visibility: visible; transform: none; }
.wa-float-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 52px; height: 52px;
  border-radius: 50%;
  background: var(--brand-green-dark);
  color: #fff;
  flex: 0 0 auto;
}
.wa-float-icon svg { width: 28px; height: 28px; }
.wa-float-text {
  display: none;
  padding-left: .75rem;
  font-size: .85rem;
  line-height: 1.35;
  color: var(--color-muted);
  max-width: 200px;
}
.wa-float-text strong { display: block; font-family: var(--font-display); color: var(--color-text); font-size: .9rem; }
@media (min-width: 1025px) and (hover: hover) {
  .wa-float:hover .wa-float-text, .wa-float:focus-visible .wa-float-text { display: block; }
}

/* ---------- 9. RESPONSIVE ---------- */

/* Desktop: contenido superpuesto sobre la imagen, como en la referencia */
@media (min-width: 1025px) {
  .hero { display: grid; }
  .hero-media { grid-area: 1 / 1; height: 100%; }
  .hero-media img { height: 100%; min-height: clamp(600px, 74vh, 780px); object-position: 68% 66%; }
  .hero-veil {
    background:
      linear-gradient(90deg, rgba(255,255,255,.86) 0%, rgba(255,255,255,.70) 24%, rgba(255,255,255,.34) 42%, rgba(255,255,255,0) 60%),
      linear-gradient(180deg, rgba(255,255,255,.42) 0%, rgba(255,255,255,0) 24%);
  }
  .hero-inner { grid-area: 1 / 1; display: flex; align-items: center; z-index: 2; }
  .hero-body { padding-block: clamp(4.5rem, 9vw, 8rem) clamp(2rem, 4vw, 3.5rem); }

  /* Ajuste de equilibrio: el logo gana presencia y el titular la cede */
  .hero-logo { height: clamp(100px, 12.4vw, 172px); }
  .hero-title-sm { font-size: clamp(.9rem, .74rem + .74vw, 1.25rem); }
  .hero-title-lg { font-size: clamp(2rem, .8rem + 3.6vw, 3.65rem); }
}

/* Desktop intermedio: barra algo más compacta */
@media (min-width: 1261px) and (max-width: 1400px) {
  .nav-link { font-size: .72rem; letter-spacing: .04em; padding-inline: .55rem; }
  .nav-link::after { left: .55rem; right: .55rem; }
  .btn-header { font-size: .72rem; padding: .65rem .9rem; }
  .brand-logo { height: 42px; }
}

/* Desktop angosto: máxima compactación de la barra */
@media (min-width: 1025px) and (max-width: 1260px) {
  .nav-link { font-size: .68rem; letter-spacing: .02em; padding-inline: .4rem; }
  .nav-link::after { left: .4rem; right: .4rem; }
  .btn-header { font-size: .68rem; padding: .6rem .75rem; margin-left: .5rem; }
  .brand-logo { height: 36px; }
  .header-inner { gap: .5rem; }
}

/* Tablet */
@media (max-width: 1024px) {
  :root { --header-h: 76px; }

  .nav-desktop, .btn-header { display: none; }
  .menu-toggle { display: inline-flex; }
  .brand-logo { height: 38px; }

  .values-grid { grid-template-columns: 1fr 1fr; row-gap: 2rem; }
  .values-grid .value:nth-child(odd) { border-left: 0; }
  .values-grid .value:nth-child(3) { border-left: 0; }
  .values-grid .value:nth-child(n+3) { border-top: 1px solid var(--brand-green-line); padding-top: 2rem; }

  .about-grid { grid-template-columns: 1fr; gap: 2rem; }
  .about-aside { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0 1.5rem; }
  .about-aside .eyebrow { width: 100%; }
  .big-year { margin-bottom: 0; }

  .diff-head, .cerca-grid, .propuesta-grid, .contacto-head, .unidad-grid, .edificios-head { grid-template-columns: 1fr; }
  .edificios-grid { grid-template-columns: repeat(2, 1fr); }
  /* en una sola columna el encabezado se apila */
  .edificios-head { align-items: start; }
  .edificios-head-title, .edificios-lead { grid-column: 1 / -1; }
  .contacto-canales { grid-template-columns: 1fr; }

  /* Proceso en tablet: dos filas de columnas amplias */
  .process { grid-template-columns: repeat(3, 1fr); }
  .process-step:nth-child(4) { border-left: 0; padding-left: 0; }
  .process-step:nth-child(n+4) { border-top: 1px solid var(--brand-green-line); margin-top: 1.5rem; }
  .process-step:nth-child(4)::before { left: 0; margin-left: 0; }
  .process-step:nth-child(n+4)::before { top: -6px; }
  .cerca-media { order: -1; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .unidad-list { margin-top: 1rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

/* Mobile */
@media (max-width: 640px) {
  .hero-actions .btn { width: 100%; }
  .hero-title-sm { font-size: .82rem; letter-spacing: .2em; }
  .hero-title-lg { font-size: clamp(1.72rem, 8.3vw, 2.5rem); }

  .values-grid { grid-template-columns: 1fr; row-gap: 0; }
  .values-grid .value {
    text-align: left;
    display: grid;
    grid-template-columns: 40px 1fr;
    column-gap: 1rem;
    padding: 1.25rem 0;
    border-left: 0 !important;
  }
  .values-grid .value + .value { border-top: 1px solid var(--brand-green-line); }
  .values-grid .value:nth-child(n+3) { padding-top: 1.25rem; }
  .value-icon { grid-row: span 2; margin-bottom: 0; }
  .value-text { grid-column: 2; }

  .services-grid { grid-template-columns: 1fr; }
  .edificios-grid { grid-template-columns: 1fr; }

  /* Contacto en mobile: marca y web apiladas */
  .contacto-pie { display: block; }
  .contacto-brand span { display: block; margin-left: 0; margin-top: .2rem; }
  .contacto-web { margin-top: .75rem; }

  /* Proceso en mobile: lista vertical con línea guía */
  .process { grid-template-columns: 1fr; border-top: 0; }
  .process-step,
  .process-step + .process-step {
    padding: 0 0 1.4rem 1.9rem;
    border-left: 1px solid var(--brand-green-line);
    border-top: 0;
    margin-top: 0;
  }
  .process-step:last-child { padding-bottom: 0; border-left-color: transparent; }
  .process-step::before,
  .process-step + .process-step::before,
  .process-step:nth-child(4)::before {
    top: .15rem;
    left: 0;
    margin-left: -6px;
    background: var(--color-background-alt);
  }
  .process .process-step-last::before { background: var(--brand-green); }
  .process-num { display: inline-block; margin-bottom: .25rem; }

  .field-row { grid-template-columns: 1fr; gap: 0; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-logo { height: 80px; }
  .wa-float-icon { width: 48px; height: 48px; }
  .section-title { max-width: none; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    transition-duration: .001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* Sin JavaScript: el contenido de los servicios queda visible */
html:not(.js) .service-detail { display: block; }
html:not(.js) .service-toggle { display: none; }
html:not(.js) .mobile-menu { display: none; }


/* =========================================================
   HERO EN PANTALLAS CHICAS
   Misma composición que en desktop, adaptada al formato
   vertical: la foto es el fondo y todo el contenido va encima.
   ========================================================= */
@media (max-width: 1024px) {
  .hero { display: grid; }

  .hero-media { grid-area: 1 / 1; height: 100%; }
  .hero-media img {
    height: 100%;
    min-height: clamp(540px, 122vw, 760px);
    object-position: 70% 58%;
  }

  /* Velo vertical: despeja la zona de lectura y deja la
     arquitectura visible hacia abajo y a la derecha. */
  .hero-veil {
    background:
      linear-gradient(180deg,
        rgba(255,255,255,.94) 0%,
        rgba(255,255,255,.88) 38%,
        rgba(255,255,255,.55) 62%,
        rgba(255,255,255,.12) 82%,
        rgba(255,255,255,0) 100%),
      linear-gradient(100deg,
        rgba(255,255,255,.60) 0%,
        rgba(255,255,255,.18) 52%,
        rgba(255,255,255,0) 78%);
  }

  .hero-inner { grid-area: 1 / 1; display: flex; align-items: center; z-index: 2; }
  .hero-body {
    padding-block: clamp(3.25rem, 13vw, 5rem) clamp(2rem, 7vw, 3rem);
    max-width: 34rem;
  }

  .hero-logo {
    display: block;
    height: clamp(78px, 20vw, 118px);
    margin-bottom: clamp(.85rem, 3vw, 1.25rem);
  }

  .hero-text { margin-bottom: .7rem; }
  .hero-claim { margin-bottom: 1.35rem; }
}

@media (max-width: 640px) {
  /* encuadre con el agua a la izquierda y la arquitectura a la derecha */
  .hero-media img { object-position: 58% 56%; }
  .hero-body { max-width: none; }
  .hero-text, .hero-claim { max-width: 30ch; }
}