/* ────────────────────────────────────────────────────────────
   AESCALA 11 — Magazine portfolio · v2
   Aligned with brand manual A11:
   · Pure black #000000 as corporate color
   · Gris oficial #808080
   · Editorial signature: long horizontal lines + bullet labels
   · Heavy display weights (700/800 substituting Roc Grotesk Black)
   · Grid-based, structural, mathematical
   ─────────────────────────────────────────────────────────── */

/* 1. FONTS — self-hosted */
@font-face {
  font-family: 'Archivo';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/archivo-400.woff2') format('woff2');
}
@font-face {
  font-family: 'Archivo';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../fonts/archivo-500.woff2') format('woff2');
}
@font-face {
  font-family: 'Archivo';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../fonts/archivo-600.woff2') format('woff2');
}
@font-face {
  font-family: 'Archivo';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/archivo-700.woff2') format('woff2');
}
@font-face {
  font-family: 'Archivo';
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url('../fonts/archivo-800.woff2') format('woff2');
}
@font-face {
  font-family: 'Archivo Narrow';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../fonts/archivo-narrow-500.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/inter-400.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../fonts/inter-500.woff2') format('woff2');
}

/* 2. DESIGN TOKENS */
:root {
  /* Brand colors — Manual de Marca A11 */
  --black:        #000000;  /* Color corporativo oficial */
  --ink:          #000000;  /* Alias for primary surface */
  --graphite:     #1D1D1D;  /* Soft black for body reading comfort */
  --charcoal:     #2A2A2A;
  --gris-700:     #4A4A4A;
  --gris:         #808080;  /* Gris oficial del manual */
  --gris-300:     #A3A3A3;
  --gris-200:     #D1D1D1;
  --line:         #E1E1E1;  /* Black secundario / línea oficial */
  --bone:         #F3F3F3;
  --paper:        #F8F8F6;
  --ivory:        #FFFFFF;
  --mineral:      #48787C;  /* Green Mineral — acento */
  --mineral-soft: #6A9498;

  /* Type families */
  --font-display: 'Archivo', system-ui, sans-serif;
  --font-narrow:  'Archivo Narrow', 'Archivo', sans-serif;
  --font-body:    'Inter', system-ui, sans-serif;

  /* Layout */
  --container-max: 1320px;
  --container-px:  clamp(1.25rem, 4vw, 3.5rem);

  /* Z-index */
  --z-header: 40;
  --z-menu:   50;
  --z-skip:   60;

  /* Motion */
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* 3. RESET + BASE */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  color: var(--graphite);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
@media (min-width: 768px) {
  body { font-size: 18px; }
}
img, picture, video, svg { max-width: 100%; height: auto; display: block; }
button { font: inherit; cursor: pointer; background: none; border: none; color: inherit; padding: 0; }
a { color: inherit; text-decoration: none; transition: color 250ms var(--ease); }
a:hover { color: var(--mineral); }
::selection { background: var(--black); color: var(--paper); }

/* Focus */
:focus { outline: none; }
:focus-visible {
  outline: 2px solid var(--mineral);
  outline-offset: 4px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* 4. UTILITIES */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-px);
  width: 100%;
}

.skip-link {
  position: absolute;
  top: -100px; left: 0;
  background: var(--black);
  color: var(--paper);
  padding: 0.75rem 1.25rem;
  font-family: var(--font-narrow);
  font-size: 0.75rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  z-index: var(--z-skip);
  transition: top 200ms var(--ease);
}
.skip-link:focus-visible { top: 0; }

/* 5. TYPOGRAPHY — editorial scale, mobile-first clamps */
.eyebrow {
  font-family: var(--font-narrow);
  font-weight: 500;
  font-size: 0.75rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  line-height: 1;
  color: var(--gris);
}
.eyebrow--light   { color: rgba(248,248,246,0.85); }
.eyebrow--mineral { color: var(--mineral-soft); }

/* Section eyebrow with the brand-signature horizontal lines:
   ──── PARTE ▪ 01 ▪ MANIFIESTO ──── */
.part-label {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-family: var(--font-narrow);
  font-weight: 500;
  font-size: 0.6875rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  line-height: 1;
  color: var(--black);
}
.part-label__line {
  flex: 1;
  height: 1px;
  background: currentColor;
  opacity: 0.85;
  max-width: 3.5rem;
}
.part-label__line--grow { max-width: none; }
.part-label .sep {
  display: inline-block;
  width: 4px;
  height: 4px;
  background: currentColor;
  vertical-align: middle;
  margin-top: -2px;
}
@media (min-width: 768px) {
  .part-label__line { max-width: 5rem; }
  .part-label { font-size: 0.75rem; }
}
section.dark .part-label { color: var(--paper); }
section.dark .part-label__line { background: rgba(248,248,246,0.6); }
section.dark .part-label .sep { background: rgba(248,248,246,0.7); }

/* Display heading — punchy editorial */
.display {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(3.5rem, 13vw, 9.5rem);
  letter-spacing: -0.025em;
  line-height: 0.92;
}

/* H2 — mixed weight pattern from brand manual (one word light, one heavy) */
.h2 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.25rem, 6vw, 4.25rem);
  letter-spacing: -0.02em;
  line-height: 1.02;
}
.h2 .heavy { font-weight: 800; }
.h2 .light { font-weight: 400; }

.h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.375rem, 2.5vw, 1.75rem);
  line-height: 1.2;
  letter-spacing: -0.005em;
}

.lede {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.1875rem, 1.9vw, 1.5rem);
  line-height: 1.4;
  letter-spacing: -0.005em;
  color: var(--gris-700);
}
section.dark .lede { color: rgba(248,248,246,0.78); }

.body    { font-size: 1rem; line-height: 1.7; }
.body-lg { font-size: clamp(1.0625rem, 1.5vw, 1.1875rem); line-height: 1.65; }
.caption { font-size: 0.875rem; line-height: 1.4; color: var(--gris); }

/* 6. HEADER */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 4.5rem;
  z-index: var(--z-header);
  transition: background-color 300ms var(--ease), border-color 300ms var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header--scrolled {
  background-color: rgba(248,248,246,0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
}
.site-header .container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.brandmark {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  text-decoration: none;
}
.brandmark img {
  height: 1.625rem;
  width: auto;
  display: block;
  transition: opacity 250ms var(--ease);
}
.brandmark:hover img { opacity: 0.7; }
.brandmark__tag {
  font-family: var(--font-narrow);
  font-weight: 500;
  font-size: 0.5625rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--gris);
  line-height: 1;
  margin-left: 0.0625rem;
}
@media (min-width: 768px) {
  .brandmark img      { height: 1.875rem; }
  .brandmark__tag     { font-size: 0.625rem; }
}
.nav-desktop {
  display: none;
  align-items: center;
  gap: 1.75rem;
}
.nav-desktop a {
  font-family: var(--font-narrow);
  font-weight: 500;
  font-size: 0.6875rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--black);
}
.nav-desktop a:hover { color: var(--mineral); }
.nav-desktop .dot {
  width: 3px; height: 3px;
  background: var(--gris);
  user-select: none;
}
@media (min-width: 900px) {
  .nav-desktop { display: flex; }
  .menu-toggle { display: none !important; }
}
.menu-toggle {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 7px;
  padding: 0.625rem;
  min-width: 44px;
  min-height: 44px;
  justify-content: center;
}
.menu-toggle span {
  display: block;
  height: 1.5px;
  background: var(--black);
}
.menu-toggle span:nth-child(1) { width: 1.75rem; }
.menu-toggle span:nth-child(2) { width: 1.125rem; }

/* 7. MOBILE MENU */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: var(--z-menu);
  background: var(--paper);
  transform: translateX(100%);
  transition: transform 350ms var(--ease);
  display: flex;
  flex-direction: column;
}
.mobile-menu--open { transform: translateX(0); }
.mobile-menu__bar {
  height: 4.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.mobile-menu__close {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.mobile-menu__close span {
  display: block;
  position: absolute;
  width: 1.5rem;
  height: 1.5px;
  background: var(--black);
}
.mobile-menu__close span:nth-child(1) { transform: rotate(45deg); }
.mobile-menu__close span:nth-child(2) { transform: rotate(-45deg); }
.mobile-menu__nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
}
.mobile-menu__nav a {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.875rem, 6vw, 2.5rem);
  letter-spacing: -0.01em;
  line-height: 1;
}
@media (min-width: 900px) { .mobile-menu { display: none; } }

/* 8. HERO */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 25%;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.2) 35%, transparent 65%);
  pointer-events: none;
}
.hero__content {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: flex-end;
  padding-bottom: clamp(3.5rem, 10vh, 7rem);
  padding-top: 5rem; /* leave room for sticky header */
}
.hero__inner { width: 100%; color: var(--paper); }
.hero .part-label { color: var(--paper); margin-bottom: 1.75rem; }
.hero .part-label__line { background: rgba(248,248,246,0.7); }
.hero .part-label .sep { background: rgba(248,248,246,0.8); }
.hero__title {
  color: var(--paper);
  font-weight: 500;
}
.hero__tagline {
  margin-top: 1.5rem;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.125rem, 2.2vw, 1.625rem);
  color: var(--paper);
  max-width: 32ch;
  letter-spacing: -0.005em;
}
.hero__scroll {
  position: absolute;
  bottom: 2rem;
  right: var(--container-px);
  z-index: 1;
  display: none;
  align-items: center;
  gap: 0.75rem;
  color: var(--paper);
  pointer-events: none;
}
@media (min-width: 768px) { .hero__scroll { display: flex; } }
.hero__scroll-line {
  display: block;
  width: 1px;
  height: 3.5rem;
  background: rgba(248,248,246,0.5);
}

/* 9. SECTION DEFAULTS */
section {
  padding: clamp(5rem, 12vw, 10rem) 0;
  position: relative;
}
section.dark {
  background: var(--black);
  color: var(--paper);
}
section.dark h2,
section.dark h3,
section.dark p { color: var(--paper); }
.section-head {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  margin-bottom: clamp(3rem, 7vw, 6rem);
}
.section-head--center { align-items: center; text-align: center; }

/* 10. MANIFIESTO */
.manifiesto { background: var(--paper); }
.manifiesto__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}
.manifiesto__text { max-width: 38rem; }
.manifiesto__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.25rem, 6vw, 4.5rem);
  line-height: 0.98;
  letter-spacing: -0.025em;
  margin-bottom: 2rem;
  color: var(--black);
}
.manifiesto__title .heavy { font-weight: 800; }
.manifiesto__image {
  display: block;
  overflow: hidden;
  background: var(--line);
}
.manifiesto__image img {
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  object-position: center;
}
@media (min-width: 900px) {
  .manifiesto__grid {
    grid-template-columns: 5fr 7fr;
    gap: 5rem;
  }
}

/* 11. SOBRE / ABOUT */
.about { background: var(--black); color: var(--paper); }
.about__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}
.about__media {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
.about__media img {
  aspect-ratio: 3 / 4;
  object-fit: cover;
  width: 100%;
  height: auto;
  background: var(--graphite);
}
@media (min-width: 480px) {
  .about__media {
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }
}
@media (min-width: 900px) {
  .about__grid {
    grid-template-columns: 5fr 7fr;
    gap: 4rem;
    align-items: start;
  }
  .about__media { gap: 1.25rem; }
}
.about__text { max-width: 38rem; }
.about__text p + p { margin-top: 1.25rem; }
.about__pullquote {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.5rem, 3vw, 2.125rem);
  line-height: 1.25;
  letter-spacing: -0.015em;
  border-left: 2px solid var(--mineral);
  padding-left: 1.5rem;
  margin: 2rem 0;
  color: var(--paper);
}
.about__signoff {
  display: block;
  margin-top: 2.5rem;
  color: var(--mineral-soft);
}

/* 12. FILOSOFÍA / NEUROARQUITECTURA */
.filosofia { background: var(--bone); }
.filosofia__intro {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-bottom: 4rem;
}
.filosofia__image img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  background: var(--line);
}
.filosofia__definition { max-width: 38rem; }
.filosofia__definition p + p { margin-top: 1.25rem; }
@media (min-width: 900px) {
  .filosofia__intro {
    grid-template-columns: 5fr 7fr;
    gap: 4rem;
    align-items: center;
  }
}
.principios-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-top: 2rem;
}
.principio {
  border-top: 1px solid var(--gris-200);
  padding-top: 1.75rem;
}
.principio__num {
  font-family: var(--font-narrow);
  font-size: 0.6875rem;
  letter-spacing: 0.32em;
  color: var(--mineral);
  margin-bottom: 1rem;
  display: inline-block;
}
.principio__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.25rem, 2vw, 1.4375rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin-bottom: 0.75rem;
  color: var(--black);
}
.principio__text {
  color: var(--gris-700);
  font-size: 0.9375rem;
  line-height: 1.55;
}
@media (min-width: 640px) {
  .principios-grid { grid-template-columns: repeat(2, 1fr); gap: 2.5rem; }
}
@media (min-width: 1024px) {
  .principios-grid { grid-template-columns: repeat(4, 1fr); gap: 2rem; }
}

/* 13. SERVICIOS */
.servicios { background: var(--paper); }
.servicios-list {
  border-top: 1px solid var(--line);
}
.servicio {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "num   title"
    "blank desc";
  gap: 0.5rem 1.25rem;
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}
.servicio__num {
  grid-area: num;
  font-family: var(--font-narrow);
  font-size: 0.75rem;
  letter-spacing: 0.32em;
  color: var(--mineral);
  min-width: 3rem;
}
.servicio__title {
  grid-area: title;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.5rem, 3.5vw, 2.5rem);
  letter-spacing: -0.015em;
  line-height: 1.05;
  color: var(--black);
}
.servicio__desc {
  grid-area: desc;
  color: var(--gris-700);
  max-width: 56ch;
  margin-top: 0.75rem;
  font-size: 1rem;
}
@media (min-width: 900px) {
  .servicio {
    grid-template-columns: 4rem minmax(0, 5fr) minmax(0, 6fr);
    grid-template-areas: "num title desc";
    gap: 0 2.5rem;
    padding: 3rem 0;
  }
  .servicio__desc { margin-top: 0; }
}

/* 14. PROCESO */
.proceso { background: var(--black); color: var(--paper); }
.pasos {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  list-style: none;
  padding: 0;
}
.paso {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem 1.25rem;
  padding: 2rem 0;
  border-top: 1px solid rgba(248,248,246,0.18);
  align-items: baseline;
}
.paso:last-child { border-bottom: 1px solid rgba(248,248,246,0.18); }
.paso__num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.5rem, 5vw, 4rem);
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--paper);
}
.paso__body { min-width: 0; }
.paso__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.375rem, 2.5vw, 1.875rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin-bottom: 0.5rem;
  color: var(--paper);
}
.paso__desc {
  color: rgba(248,248,246,0.78);
  font-size: 1rem;
  max-width: 60ch;
  line-height: 1.6;
}
@media (min-width: 768px) {
  .paso {
    grid-template-columns: 6rem 1fr;
    gap: 2.5rem;
    padding: 2.5rem 0;
  }
}

/* 15. COLABORADORES */
.colaboradores { background: var(--paper); }
.colab-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
@media (min-width: 600px) {
  .colab-grid { grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
}
@media (min-width: 1024px) {
  .colab-grid { grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
}
.colab-card {
  display: block;
  background: var(--ivory);
  border: 1px solid var(--line);
  padding: 2rem 1.75rem;
  transition: background-color 250ms var(--ease), border-color 250ms var(--ease), transform 250ms var(--ease);
  min-height: 11rem;
  position: relative;
}
.colab-card:hover {
  background: var(--black);
  border-color: var(--black);
  transform: translateY(-3px);
}
.colab-card:hover .colab-card__eyebrow { color: var(--mineral-soft); }
.colab-card:hover .colab-card__name    { color: var(--paper); }
.colab-card:hover .colab-card__handle  { color: rgba(248,248,246,0.85); }
.colab-card__inner {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  height: 100%;
}
.colab-card__eyebrow {
  font-family: var(--font-narrow);
  font-weight: 500;
  font-size: 0.6875rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--gris);
  transition: color 250ms var(--ease);
}
.colab-card__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--black);
  transition: color 250ms var(--ease);
}
.colab-card__handle {
  margin-top: auto;
  font-family: var(--font-narrow);
  font-size: 0.875rem;
  letter-spacing: 0.02em;
  color: var(--gris-700);
  transition: color 250ms var(--ease);
}

/* 16. PORTAFOLIO */
.portafolio { background: var(--bone); }
.portafolio-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem 1.25rem;
}
@media (min-width: 640px) {
  .portafolio-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem 1.5rem;
  }
}
@media (min-width: 1024px) {
  .portafolio-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem 2rem;
  }
}
.project-card { display: block; }
.project-card__media {
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--gris-200);
  position: relative;
}
.project-card__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 600ms var(--ease);
}
.project-card:hover .project-card__media img { transform: scale(1.03); }
.project-card__media .placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gris-200);
  color: var(--gris);
  font-family: var(--font-narrow);
  font-size: 0.6875rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
}
.project-card__title {
  margin-top: 1rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.1875rem;
  letter-spacing: -0.01em;
  line-height: 1.2;
  color: var(--black);
}
.project-card__meta {
  margin-top: 0.375rem;
  font-size: 0.875rem;
  color: var(--gris);
}

/* 17. CONTACTO */
.contacto { background: var(--paper); }
.contacto__inner {
  max-width: 44rem;
  margin: 0 auto;
  text-align: center;
}
.cta-whatsapp {
  display: inline-flex;
  align-items: center;
  gap: 0.875rem;
  background: var(--black);
  color: var(--paper);
  padding: 1.375rem 2.625rem;
  font-family: var(--font-narrow);
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-weight: 500;
  transition: background-color 250ms var(--ease), color 250ms var(--ease), transform 250ms var(--ease);
  margin-top: 2.75rem;
  min-height: 56px;
}
.cta-whatsapp:hover {
  background: var(--mineral);
  color: var(--paper);
  transform: translateY(-2px);
}
.cta-whatsapp__arrow {
  display: inline-block;
  transition: transform 250ms var(--ease);
  font-size: 1rem;
}
.cta-whatsapp:hover .cta-whatsapp__arrow { transform: translateX(6px); }
.contacto__divider {
  width: 3rem;
  height: 1px;
  background: var(--line);
  border: 0;
  margin: 3rem auto;
}
.contacto__links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  font-family: var(--font-narrow);
  font-size: 1rem;
}
@media (min-width: 600px) {
  .contacto__links {
    flex-direction: row;
    justify-content: center;
    gap: 3rem;
  }
}
.contacto__links a {
  color: var(--black);
  letter-spacing: 0.02em;
}
.contacto__links a:hover { color: var(--mineral); }
.contacto__location {
  margin-top: 4rem;
  color: var(--gris);
  font-family: var(--font-narrow);
  font-size: 0.6875rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
}

/* 18. FOOTER */
.site-footer {
  background: var(--black);
  color: var(--paper);
  padding: 2.5rem 0;
}
.site-footer .container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  align-items: center;
  text-align: center;
}
.site-footer__brand img {
  height: 1.5rem;
  width: auto;
  margin-inline: auto;
  opacity: 0.9;
}
.site-footer__copy {
  font-family: var(--font-narrow);
  font-size: 0.6875rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: rgba(248,248,246,0.65);
}
.site-footer__instagram {
  font-family: var(--font-narrow);
  font-size: 0.9375rem;
  color: var(--paper);
  letter-spacing: 0.02em;
}
.site-footer__instagram:hover { color: var(--mineral-soft); }
@media (min-width: 768px) {
  .site-footer .container {
    grid-template-columns: 1fr auto 1fr;
    text-align: left;
  }
  .site-footer__copy     { text-align: left; }
  .site-footer__instagram{ text-align: right; justify-self: end; }
}

/* 19. REVEAL ON SCROLL (added by JS) */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 800ms var(--ease), transform 800ms var(--ease);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

img.lazy-fade {
  opacity: 0;
  transition: opacity 700ms var(--ease);
}
img.lazy-fade.loaded { opacity: 1; }

/* 20. SAFE-AREA insets (notch, gesture bar) */
@supports (padding: env(safe-area-inset-bottom)) {
  .hero__content { padding-bottom: max(env(safe-area-inset-bottom), clamp(3.5rem, 10vh, 7rem)); }
}