/* =========================================================================
   DUROMARMOL — Sitio estático autocontenido
   Sistema de diseño: superficie pétrea premium
   Paleta: grafito + cuarzo + piedra + bronce arquitectónico
   Tipografía: Schibsted Grotesk (display) + Inter (texto)
   ========================================================================= */

:root {
  /* Color */
  --graphite:   #16171a;
  --graphite-2: #1f2024;
  --quartz:     #f4f3f0;
  --veil:       #e5e2dc;
  --stone:      #8c8780;
  --stone-dk:   #6c6963;
  --bronze:     #9b7b4a;
  --bronze-lt:  #b89a6c;
  --line:       #d8d4cc;
  --white:      #ffffff;

  /* Type */
  --display: "Schibsted Grotesk", "Helvetica Neue", Arial, sans-serif;
  --body:    "Inter", "Helvetica Neue", Arial, sans-serif;

  /* Layout */
  --container: 1280px;
  --gutter: clamp(1.25rem, 5vw, 4rem);
  --radius: 2px;

  /* Motion */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ----- Reset & base --------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  font-family: var(--body);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--graphite);
  background: var(--quartz);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; padding: 0; }
button { font: inherit; color: inherit; cursor: pointer; background: none; border: 0; }

:focus-visible {
  outline: 2px solid var(--bronze);
  outline-offset: 3px;
}

/* ----- Typography ----------------------------------------------------- */
h1, h2, h3, h4 {
  font-family: var(--display);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.01em;
  color: var(--graphite);
}

.eyebrow {
  font-family: var(--body);
  font-weight: 600;
  font-size: 0.76rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--bronze);
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--bronze);
  display: inline-block;
}
.eyebrow--center { justify-content: center; }

.lead {
  font-size: clamp(1.15rem, 1.6vw, 1.45rem);
  line-height: 1.5;
  color: var(--stone-dk);
  font-weight: 400;
}

p { text-align: justify; }
p + p { margin-top: 1.1rem; }

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

.section { padding-block: clamp(4.5rem, 9vw, 9rem); }
.section--tight { padding-block: clamp(3.5rem, 6vw, 6rem); }
.section--dark { background: var(--graphite); color: var(--quartz); }
.section--dark h1, .section--dark h2, .section--dark h3 { color: var(--white); }
.section--dark .lead { color: #b7b3ab; }
.section--veil { background: var(--veil); }

.section-head { max-width: 760px; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.section-head .eyebrow { margin-bottom: 1.25rem; }
.section-head h2 {
  font-size: clamp(1.9rem, 4vw, 3.4rem);
  font-weight: 900;
}
.section-head--center { margin-inline: auto; text-align: center; }

/* ----- Buttons & links ------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.95rem 1.8rem;
  font-family: var(--body);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  border-radius: var(--radius);
  transition: background .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease), transform .3s var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn--solid { background: var(--graphite); color: var(--quartz); }
.btn--solid:hover { background: var(--bronze); }
.btn--ghost { border: 1px solid currentColor; color: inherit; }
.btn--ghost:hover { background: var(--graphite); color: var(--quartz); border-color: var(--graphite); }
.btn--bronze { background: var(--bronze); color: var(--white); }
.btn--bronze:hover { background: var(--bronze-lt); }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: 0.02em;
  color: var(--graphite);
  position: relative;
}
.link-arrow span { position: relative; }
.link-arrow span::after {
  content: ""; position: absolute; left: 0; bottom: -3px;
  width: 100%; height: 1px; background: var(--bronze);
  transform: scaleX(0); transform-origin: left; transition: transform .35s var(--ease);
}
.link-arrow:hover span::after { transform: scaleX(1); }
.link-arrow svg { transition: transform .35s var(--ease); }
.link-arrow:hover svg { transform: translateX(5px); }
.section--dark .link-arrow { color: var(--white); }

/* ============================ HEADER ================================== */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  transition: background .4s var(--ease), border-color .4s var(--ease), padding .4s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  padding-block: 1.4rem;
}
.brand { display: flex; align-items: center; z-index: 2; }
.brand img { height: 30px; width: auto; transition: filter .4s var(--ease); }

.nav { display: flex; align-items: center; gap: 1.4rem; }
.nav a {
  font-size: 0.83rem; font-weight: 500; letter-spacing: 0.01em;
  position: relative; padding: 0.25rem 0; color: var(--white);
  transition: color .3s var(--ease);
}
.nav a::after {
  content: ""; position: absolute; left: 0; bottom: -2px; width: 100%; height: 1px;
  background: var(--bronze); transform: scaleX(0); transform-origin: center;
  transition: transform .3s var(--ease);
}
.nav a:hover::after, .nav a[aria-current="page"]::after { transform: scaleX(1); }
.nav a[aria-current="page"] { color: var(--bronze-lt); }

/* Header state: solid (scrolled OR inner pages with light hero) */
.site-header.is-solid {
  background: var(--quartz);
  border-bottom-color: var(--line);
}
.site-header.is-solid .nav a { color: var(--graphite); }
.site-header.is-solid .nav a[aria-current="page"] { color: var(--bronze); }
.site-header.is-solid .brand img { filter: none; }
.site-header.is-solid .nav-toggle span { background: var(--graphite); }

/* On dark/transparent hero, logo stays bright */
.site-header:not(.is-solid) .brand img { filter: brightness(0) invert(1); }

.nav-toggle { display: none; width: 30px; height: 22px; position: relative; z-index: 2; }
.nav-toggle span {
  position: absolute; left: 0; width: 100%; height: 2px; background: var(--white);
  transition: transform .35s var(--ease), opacity .25s var(--ease), background .4s var(--ease);
}
.nav-toggle span:nth-child(1) { top: 0; }
.nav-toggle span:nth-child(2) { top: 10px; }
.nav-toggle span:nth-child(3) { top: 20px; }
body.nav-open .nav-toggle span { background: var(--graphite); }
body.nav-open .nav-toggle span:nth-child(1) { transform: translateY(10px) rotate(45deg); }
body.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
body.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-10px) rotate(-45deg); }

/* ============================ HERO ==================================== */
.hero {
  position: relative; min-height: 100svh;
  display: flex; align-items: flex-end;
  color: var(--white); overflow: hidden;
}
.hero__media { position: absolute; inset: 0; z-index: 0; }
.hero__slide {
  position: absolute; inset: 0; opacity: 0;
  background-size: cover; background-position: center;
  transform: scale(1.06); transition: opacity 1.4s var(--ease), transform 7s linear;
}
.hero__slide.is-active { opacity: 1; transform: scale(1); }
.hero__media::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,10,12,.55) 0%, rgba(10,10,12,.15) 35%, rgba(10,10,12,.55) 78%, rgba(10,10,12,.85) 100%);
}
.hero__inner { position: relative; z-index: 1; width: 100%; padding-bottom: clamp(3.5rem, 8vh, 7rem); padding-top: 9rem; }
.hero .eyebrow { color: var(--bronze-lt); margin-bottom: 1.6rem; }
.hero h1 {
  color: var(--white);
  font-weight: 900;
  font-size: clamp(2.7rem, 7.5vw, 6.4rem);
  letter-spacing: -0.025em;
  line-height: 0.96;
  max-width: 16ch;
  text-wrap: balance;
}
.hero__sub {
  margin-top: 1.8rem; max-width: 46ch;
  font-size: clamp(1.05rem, 1.5vw, 1.3rem); line-height: 1.55;
  color: rgba(255,255,255,.9); text-align: left;
}
.hero__actions { margin-top: 2.4rem; display: flex; flex-wrap: wrap; gap: 1rem; }
.hero__actions .btn--ghost { color: var(--white); }
.hero__actions .btn--ghost:hover { background: var(--white); color: var(--graphite); border-color: var(--white); }

.hero__dots { position: absolute; right: var(--gutter); bottom: clamp(3.5rem,8vh,7rem); z-index: 2; display: flex; gap: 0.6rem; }
.hero__dots button { width: 32px; height: 3px; background: rgba(255,255,255,.35); border-radius: 2px; transition: background .3s var(--ease); }
.hero__dots button.is-active { background: var(--bronze-lt); }

/* Inner page hero (shorter) */
.page-hero {
  position: relative; min-height: 56vh; display: flex; align-items: flex-end;
  color: var(--white); overflow: hidden;
}
.page-hero__bg { position: absolute; inset: 0; background-size: cover; background-position: center; z-index: 0; }
.page-hero::after {
  content: ""; position: absolute; inset: 0; z-index: 0;
  background: linear-gradient(180deg, rgba(12,12,14,.5), rgba(12,12,14,.78));
}
.page-hero__inner { position: relative; z-index: 1; width: 100%; padding-block: clamp(3rem, 7vh, 6rem); padding-top: 8rem; }
.page-hero .eyebrow { color: var(--bronze-lt); margin-bottom: 1.1rem; }
.page-hero h1 { color: var(--white); font-weight: 900; font-size: clamp(2.4rem, 6vw, 5rem); letter-spacing: -0.02em; }
.page-hero p { color: rgba(255,255,255,.88); max-width: 52ch; margin-top: 1.1rem; text-align: left; }

/* Breadcrumb-less simple intro under hero */
.intro { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.intro__statement { font-family: var(--display); font-weight: 700; font-size: clamp(1.5rem, 2.6vw, 2.4rem); line-height: 1.18; letter-spacing: -0.015em; }
.intro__statement em { color: var(--bronze); font-style: normal; }
.intro__body p { color: var(--stone-dk); }

/* ----- Lines of business (two columns) -------------------------------- */
.lob { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.5rem, 3vw, 2.5rem); margin-top: clamp(2.5rem,5vw,4rem); }
.lob__item { border-top: 2px solid var(--graphite); padding-top: 1.5rem; }
.lob__item h3 { font-size: 1.5rem; font-weight: 900; margin-bottom: 0.6rem; }
.lob__item p { color: var(--stone-dk); }

/* ============================ MATERIALS =============================== */
.mat-grid {
  display: grid; gap: 1.5rem;
  grid-template-columns: repeat(3, 1fr);
}
.mat-card {
  position: relative; overflow: hidden; border-radius: var(--radius);
  background: var(--graphite); aspect-ratio: 4 / 5;
  display: block;
}
.mat-card img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  transition: transform .8s var(--ease), opacity .6s var(--ease); opacity: .9;
}
.mat-card:hover img { transform: scale(1.06); opacity: .7; }
.mat-card__overlay {
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(180deg, rgba(0,0,0,0) 40%, rgba(0,0,0,.8) 100%);
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 1.6rem; color: var(--white);
}
.mat-card__overlay h3 { color: var(--white); font-size: 1.45rem; font-weight: 900; letter-spacing: 0.01em; }
.mat-card__overlay p { color: rgba(255,255,255,.82); font-size: 0.92rem; margin-top: 0.4rem; text-align: left;
  max-height: 0; opacity: 0; overflow: hidden; transition: max-height .5s var(--ease), opacity .4s var(--ease), margin .4s var(--ease); }
.mat-card:hover .mat-card__overlay p { max-height: 6rem; opacity: 1; }
.mat-card__tick { position: absolute; top: 1.4rem; left: 1.6rem; z-index: 1; width: 24px; height: 2px; background: var(--bronze-lt); }

/* ============================ PROJECTS ================================ */
.proj-grid {
  display: grid; gap: 1.25rem;
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: 1fr;
}
.proj {
  position: relative; overflow: hidden; border-radius: var(--radius);
  grid-column: span 2; aspect-ratio: 4 / 3; background: var(--veil);
  display: block; cursor: pointer;
}
.proj--wide { grid-column: span 3; }
.proj--tall { grid-column: span 3; aspect-ratio: 3 / 2.4; }
.proj img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  transition: transform .9s var(--ease); filter: saturate(.96);
}
.proj:hover img { transform: scale(1.05); }
.proj__cap {
  position: absolute; inset: auto 0 0 0; z-index: 1;
  padding: 1.4rem 1.5rem; color: var(--white);
  background: linear-gradient(180deg, rgba(0,0,0,0), rgba(0,0,0,.75));
  display: flex; align-items: baseline; gap: 0.7rem;
  transform: translateY(8px); opacity: 0; transition: transform .45s var(--ease), opacity .45s var(--ease);
}
.proj:hover .proj__cap, .proj:focus-visible .proj__cap { transform: translateY(0); opacity: 1; }
.proj__cap .tick { width: 18px; height: 1px; background: var(--bronze-lt); flex: none; transform: translateY(-5px); }
.proj__cap h3 { color: var(--white); font-size: 1.15rem; font-weight: 700; letter-spacing: 0.01em; }
@media (hover: none) {
  .proj__cap { transform: translateY(0); opacity: 1; }
}

/* ============================ STATS =================================== */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1.5rem,4vw,3rem); margin-top: clamp(2.5rem,5vw,4rem); }
.stat { border-left: 2px solid var(--bronze); padding-left: 1.4rem; }
.stat__num { font-family: var(--display); font-weight: 900; font-size: clamp(2.4rem, 5vw, 3.8rem); line-height: 1; letter-spacing: -0.02em; color: var(--white); }
.stat__label { margin-top: 0.7rem; font-size: 0.92rem; color: #b7b3ab; letter-spacing: 0.02em; text-align: left; }

/* ============================ CTA BAND ================================ */
.cta {
  background: var(--bronze); color: var(--white);
  text-align: center; padding-block: clamp(3.5rem, 7vw, 6rem);
}
.cta h2 { color: var(--white); font-weight: 900; font-size: clamp(1.9rem, 4vw, 3.2rem); max-width: 18ch; margin-inline: auto; }
.cta p { color: rgba(255,255,255,.9); max-width: 50ch; margin: 1rem auto 2rem; text-align: center; }
.cta .btn--solid { background: var(--graphite); }
.cta .btn--solid:hover { background: var(--white); color: var(--graphite); }

/* ============================ LOCATIONS =============================== */
.loc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.loc {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 2rem; transition: border-color .3s var(--ease), transform .3s var(--ease);
}
.loc:hover { border-color: var(--bronze); transform: translateY(-3px); }
.loc h3 { font-size: 1.05rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--bronze); margin-bottom: 1rem; }
.loc address { font-style: normal; line-height: 1.6; color: var(--graphite); }
.loc .hours { margin-top: 1rem; font-size: 0.9rem; color: var(--stone-dk); line-height: 1.6; }
.loc a { font-weight: 600; }
.loc a:hover { color: var(--bronze); }

/* ============================ CONTACT ================================= */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2.5rem, 6vw, 5rem); align-items: start; }
.contact-info h3 { font-size: 1rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--bronze); margin-bottom: 0.6rem; }
.contact-info .row { padding-block: 1.3rem; border-bottom: 1px solid var(--line); }
.contact-info .row:first-of-type { border-top: 1px solid var(--line); }
.contact-info address { font-style: normal; line-height: 1.6; }
.contact-info a:hover { color: var(--bronze); }

.form-field { margin-bottom: 1.3rem; }
.form-field label { display: block; font-size: 0.82rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--stone-dk); margin-bottom: 0.5rem; }
.form-field input, .form-field textarea {
  width: 100%; padding: 0.9rem 1rem; font: inherit; color: var(--graphite);
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  transition: border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.form-field input:focus, .form-field textarea:focus {
  outline: none; border-color: var(--bronze); box-shadow: 0 0 0 3px rgba(155,123,74,.14);
}
.form-field textarea { resize: vertical; min-height: 140px; }
.form-field--hidden { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.turnstile-wrap { margin: 0 0 1.1rem; }
.turnstile-placeholder {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1rem;
  border: 1px dashed var(--line);
  color: var(--stone-dk);
  font-size: 0.9rem;
  background: rgba(229, 226, 220, 0.45);
}
.form-note { font-size: 0.82rem; color: var(--stone); margin-top: 0.8rem; text-align: left; }
.form-status {
  min-height: 1.5rem;
  margin-top: 0.8rem;
  font-size: 0.92rem;
  text-align: left;
}
.form-status.is-success { color: #1f6f5b; }
.form-status.is-error { color: #b74a3d; }
.btn[disabled] { cursor: wait; opacity: 0.85; }
.btn.is-loading { transform: none; }

/* ============================ CONTENT PROSE =========================== */
.prose { max-width: 760px; }
.prose h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 900; margin-top: 2.6rem; margin-bottom: 1rem; }
.prose h3 { font-size: 1.3rem; font-weight: 700; margin-top: 1.8rem; margin-bottom: 0.7rem; }
.prose p { color: var(--stone-dk); }
.prose ul.ticks { margin-top: 1rem; display: grid; gap: 0.7rem; }
.prose ul.ticks li { position: relative; padding-left: 1.6rem; color: var(--stone-dk); }
.prose ul.ticks li::before { content: ""; position: absolute; left: 0; top: 0.7em; width: 14px; height: 1px; background: var(--bronze); }
.prose ul.ticks li strong { color: var(--graphite); }

/* Brand block (Marcas propias) */
.brand-block { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem,5vw,4.5rem); align-items: center; }
.brand-block + .brand-block { margin-top: clamp(3.5rem,7vw,6rem); }
.brand-block.reverse .brand-block__media { order: 2; }
.brand-block__media img { border-radius: var(--radius); width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.brand-block__name { font-family: var(--display); font-weight: 900; font-size: clamp(2rem,4vw,3rem); letter-spacing: -0.01em; }
.brand-block .eyebrow { margin-bottom: 0.8rem; }

/* Feature row (image + text) generic */
.feature { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(2rem,5vw,4.5rem); align-items: center; }
.feature.reverse .feature__media { order: 2; }
.feature__media img { border-radius: var(--radius); width: 100%; object-fit: cover; aspect-ratio: 4/3; }

/* ============================ FOOTER ================================== */
.site-footer { background: var(--graphite); color: #b7b3ab; padding-top: clamp(3.5rem,7vw,5.5rem); }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 2.5rem; padding-bottom: 3rem; border-bottom: 1px solid #2c2d31; }
.footer-brand img { height: 34px; filter: brightness(0) invert(1); margin-bottom: 1.2rem; }
.footer-brand p { color: #8c8b88; max-width: 34ch; font-size: 0.92rem; text-align: left; }
.footer-col h4 { color: var(--white); font-size: 0.8rem; letter-spacing: 0.14em; text-transform: uppercase; margin-bottom: 1.1rem; }
.footer-col a, .footer-col address { display: block; color: #b7b3ab; font-size: 0.92rem; line-height: 1.55; font-style: normal; margin-bottom: 0.55rem; transition: color .3s var(--ease); }
.footer-col a:hover { color: var(--bronze-lt); }
.footer-social { display: flex; gap: 0.8rem; margin-top: 0.4rem; }
.footer-social a { width: 38px; height: 38px; border: 1px solid #2c2d31; border-radius: 50%; display: grid; place-items: center; margin: 0; }
.footer-social a:hover { border-color: var(--bronze); background: var(--bronze); }
.footer-social svg { width: 16px; height: 16px; }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; padding-block: 1.8rem; font-size: 0.82rem; color: #76746f; }

/* ============================ REVEAL ANIM ============================= */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: .08s; }
.reveal-d2 { transition-delay: .16s; }
.reveal-d3 { transition-delay: .24s; }

/* ============================ LIGHTBOX ================================ */
.lightbox {
  position: fixed; inset: 0; z-index: 200; display: none;
  background: rgba(10,10,12,.94); padding: clamp(1rem,4vw,3rem);
  align-items: center; justify-content: center;
}
.lightbox.is-open { display: flex; }
.lightbox img { max-width: 92vw; max-height: 82vh; border-radius: var(--radius); object-fit: contain; }
.lightbox__cap { position: absolute; bottom: clamp(1rem,4vw,2.5rem); left: 0; right: 0; text-align: center; color: var(--quartz); font-family: var(--display); font-weight: 700; letter-spacing: 0.02em; }
.lightbox__close { position: absolute; top: clamp(1rem,3vw,2rem); right: clamp(1rem,3vw,2rem); width: 46px; height: 46px; border: 1px solid rgba(255,255,255,.3); border-radius: 50%; color: var(--white); display: grid; place-items: center; font-size: 1.4rem; transition: border-color .3s, background .3s; }
.lightbox__close:hover { background: rgba(255,255,255,.12); border-color: var(--white); }
.lightbox__nav { position: absolute; top: 50%; transform: translateY(-50%); width: 50px; height: 50px; border: 1px solid rgba(255,255,255,.25); border-radius: 50%; color: var(--white); display: grid; place-items: center; transition: background .3s, border-color .3s; }
.lightbox__nav:hover { background: rgba(255,255,255,.12); border-color: var(--white); }
.lightbox__nav.prev { left: clamp(.5rem,3vw,2rem); }
.lightbox__nav.next { right: clamp(.5rem,3vw,2rem); }

/* ============================ RESPONSIVE ============================== */
@media (max-width: 1024px) {
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }

  .nav-toggle { display: block; }
  .nav {
    position: fixed; inset: 0; z-index: 1;
    flex-direction: column; justify-content: center; gap: 1.5rem;
    background: var(--quartz);
    transform: translateX(100%); transition: transform .45s var(--ease);
  }
  body.nav-open .nav { transform: translateX(0); }
  .nav a { color: var(--graphite); font-size: 1.5rem; font-family: var(--display); font-weight: 700; }
  .nav a::after { display: none; }
  /* Con el menú abierto el panel es claro: el logo y el icono vuelven a oscuro */
  body.nav-open .site-header .brand img { filter: none; }
}
@media (max-width: 860px) {
  .intro, .lob, .feature, .brand-block, .contact-grid { grid-template-columns: 1fr; }
  .feature.reverse .feature__media, .brand-block.reverse .brand-block__media { order: 0; }
  .mat-grid { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: 1fr; gap: 1.5rem; }
  .loc-grid { grid-template-columns: 1fr; }

  .proj-grid { grid-template-columns: repeat(2, 1fr); }
  .proj, .proj--wide, .proj--tall { grid-column: span 1; aspect-ratio: 4/3; }
}
@media (max-width: 520px) {
  .mat-grid { grid-template-columns: 1fr; }
  .proj-grid { grid-template-columns: 1fr; }
  .hero__dots { display: none; }
  .lob { gap: 1.5rem; }
}

/* ----- Reduced motion ------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
  .hero__slide { transition: opacity .3s linear; transform: none; }
}

/* ----- Ticks list (global, funciona fuera de .prose) ------------------ */
ul.ticks { list-style: none; padding: 0; margin: 0; }
ul.ticks li { position: relative; padding-left: 1.6rem; color: var(--stone-dk); }
ul.ticks li::before { content: ""; position: absolute; left: 0; top: 0.7em; width: 14px; height: 1px; background: var(--bronze); }
ul.ticks li strong { color: var(--graphite); }

/* ----- Galería uniforme (página Proyectos) ---------------------------- */
.gallery-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; }
.gallery-grid .proj { grid-column: auto; aspect-ratio: 4 / 3; }
@media (max-width: 1024px) { .gallery-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 760px)  { .gallery-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px)  { .gallery-grid { grid-template-columns: 1fr; } }

/* ----- Alineación: prosa justificada, pero NO los textos display ------ */
.intro__statement { text-align: left; }
.cta p { text-align: center; }
.hero__sub, .page-hero p { text-align: left; }