/* ============================================================
   OVAL — styles.css  (Ronda 1)
   Paleta: blanco #ffffff · negro #0a0a0a
   Acentos: #c9a876 · #8b6f47 · cursor #b8763f
   ============================================================ */

/* TODO: reemplazar fuentes TTF por WOFF2 de marca cuando estén disponibles */
@font-face {
  font-family: 'NeueAlteGrotesk';
  src: url('../assets/fonts/NeueAlteGrotesk-Medium.ttf') format('truetype');
  font-weight: 500;
  font-display: swap;
}

@font-face {
  font-family: 'AcherusGrotesque';
  src: url('../assets/fonts/AcherusGrotesque-Medium.ttf') format('truetype');
  font-weight: 500;
  font-display: swap;
}

/* ── Custom properties ── */
:root {
  --c-white:   #ffffff;
  --c-black:   #0a0a0a;
  --c-warm:    #c9a876;
  --c-warm-dk: #8b6f47;
  --c-cursor:  #b8763f;
  --c-gray:    #999999;
  --c-muted:   #cccccc;

  /* TODO: reemplazar fallbacks por fuentes de marca cuando lleguen los WOFF2 */
  --f-title: 'NeueAlteGrotesk', 'Neue Haas Grotesk Display', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --f-body:  'AcherusGrotesque', 'Inter', system-ui, sans-serif;

  --nav-h:   72px;
  --ease:    cubic-bezier(0.16, 1, 0.3, 1);
  --ease-io: cubic-bezier(0.76, 0, 0.24, 1);
  --spring:  cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--f-body);
  background: var(--c-white);
  color: var(--c-black);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img, video { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
address { font-style: normal; }
button { font: inherit; }

:focus-visible {
  outline: 2px solid var(--c-warm);
  outline-offset: 4px;
  border-radius: 2px;
}

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}


/* ============================================================
   PRELOADER — extendido: min 4.5s, max 6.5s
   Logo grande + animación de respiración durante la carga
   ============================================================ */
.preloader {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--c-white);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 52px;
  transition: opacity 0.8s var(--ease), visibility 0.8s;
}

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

/* Container fades + slides up once */
.preloader__logo {
  opacity: 0;
  transform: translateY(18px);
  animation: plFadeIn 1.1s var(--ease) 0.2s forwards;
}

/* Image breathes continuously while loading */
.preloader__logo-img {
  width: clamp(260px, 38vw, 420px);
  animation: plBreath 2.8s ease-in-out 1.4s infinite;
}

.preloader__bar-wrap {
  width: clamp(260px, 38vw, 420px);
  height: 1px;
  background: rgba(0,0,0,0.1);
  overflow: hidden;
}

.preloader__bar {
  height: 100%;
  background: var(--c-warm);
  width: 0;
  animation: plBarFill 4.2s var(--ease-io) 0.4s forwards;
}

@keyframes plFadeIn {
  to { opacity: 1; transform: translateY(0); }
}

@keyframes plBreath {
  0%, 100% { transform: scale(1);    opacity: 0.88; }
  50%       { transform: scale(1.05); opacity: 1; }
}

@keyframes plBarFill {
  0%   { width: 0; }
  60%  { width: 70%; }
  85%  { width: 88%; }
  100% { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .preloader__logo { opacity: 1; transform: none; animation: none; }
  .preloader__logo-img { animation: none; }
  .preloader__bar { animation: none; width: 100%; }
  .preloader { transition: opacity 0.3s, visibility 0.3s; }
}


/* ============================================================
   DARK SECTION GLOW — cursor radial gradient on dark bg
   ============================================================ */
#darkGlow {
  display: none;
  position: fixed; inset: 0; z-index: 1;
  pointer-events: none;
  background: radial-gradient(circle 300px at var(--gx, -500px) var(--gy, -500px),
    rgba(201,168,118,0.06) 0%, transparent 70%);
  transition: opacity 0.5s;
  opacity: 0;
}

#darkGlow.is-active { opacity: 1; }

@media (pointer: fine) {
  #darkGlow { display: block; }
}


/* ============================================================
   CUSTOM CURSOR — pointer devices only
   ============================================================ */
@media (pointer: fine) {
  body { cursor: none; }
  a, button, [role="button"] { cursor: none; }

  .cursor,
  .cursor-trail {
    position: fixed; z-index: 9998;
    pointer-events: none;
    will-change: transform;
    top: 0; left: 0;
    opacity: 0;
    transition: opacity 0.3s;
  }

  .cursor {
    width: 10px; height: 10px;
    background: var(--c-cursor);
    margin: -5px 0 0 -5px;
  }

  .cursor-trail {
    width: 8px; height: 8px;
    background: var(--c-cursor);
    margin: -4px 0 0 -4px;
  }

  .cursor.is-ready      { opacity: 1; }
  .cursor-trail.is-ready { opacity: 0.3; }
  .cursor.is-hover      { transform: scale(2.4) !important; }
}


/* ============================================================
   MAGNETIC BUTTONS
   ============================================================ */
.magnet-btn {
  /* JS applies transform; this makes the transition smooth */
  transition: transform 0.4s var(--ease), background 0.25s, color 0.25s, border-color 0.25s;
}

.magnet-inner {
  display: inline-block;
  pointer-events: none;
}


/* ============================================================
   SECTION TITLE STAGGER — word-by-word reveal
   ============================================================ */
.stagger-title .t-word {
  display: inline-block;
  overflow: hidden;
  vertical-align: bottom;
  /* slight gap between words */
  margin-right: 0.18em;
}

.stagger-title .t-word-inner {
  display: inline-block;
  transform: translateY(110%);
  transition: transform 0.7s var(--ease);
}

.stagger-title.is-revealed .t-word-inner {
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .stagger-title .t-word-inner { transform: none; transition: none; }
}


/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100; height: var(--nav-h);
  transition: background 0.45s var(--ease),
              border-color 0.45s,
              backdrop-filter 0.45s;
  border-bottom: 1px solid transparent;
}

.nav.is-scrolled {
  background: rgba(255,255,255,0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: rgba(0,0,0,0.07);
}

.nav__inner {
  max-width: 1440px; margin: 0 auto;
  height: 100%; padding: 0 40px;
  display: flex; align-items: center; gap: 40px;
}

.nav__logo img {
  height: 34px; width: auto;
  filter: brightness(0) invert(1);
  transition: filter 0.4s var(--ease);
}

.nav.is-scrolled .nav__logo img { filter: none; }

.nav__links { display: flex; gap: 28px; margin-left: auto; }

.nav__link {
  font-family: var(--f-body);
  font-size: 0.85rem; letter-spacing: 0.03em;
  color: rgba(255,255,255,0.82);
  transition: color 0.25s;
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute; left: 0; right: 0; bottom: -4px;
  height: 1px; background: var(--c-warm);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.3s var(--ease);
}

.nav__link:hover,
.nav__link.is-active { color: var(--c-white); }

.nav__link:hover::after,
.nav__link.is-active::after { transform: scaleX(1); }

.nav.is-scrolled .nav__link { color: var(--c-black); }
.nav.is-scrolled .nav__link:hover,
.nav.is-scrolled .nav__link.is-active { color: var(--c-warm-dk); }

.nav__cta {
  margin-left: 8px;
  padding: 9px 22px;
  border: 1px solid rgba(255,255,255,0.55);
  font-family: var(--f-body);
  font-size: 0.82rem; letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-white);
}

.nav__cta:hover {
  background: var(--c-white);
  color: var(--c-black);
  border-color: var(--c-white);
}

.nav.is-scrolled .nav__cta {
  border-color: rgba(0,0,0,0.6);
  color: var(--c-black);
}

.nav.is-scrolled .nav__cta:hover {
  background: var(--c-black);
  color: var(--c-white);
  border-color: var(--c-black);
}

.nav__burger {
  display: none;
  flex-direction: column; justify-content: center; gap: 5px;
  background: none; border: none; padding: 8px; margin-left: auto;
}

.nav__burger span {
  display: block; width: 22px; height: 1.5px;
  background: var(--c-white);
  transition: transform 0.3s var(--ease), opacity 0.3s, background 0.4s;
}

.nav.is-scrolled .nav__burger span { background: var(--c-black); }

.nav__burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav__burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.nav__mobile {
  position: absolute; top: var(--nav-h); left: 0; right: 0;
  background: var(--c-white);
  padding: 16px 32px 32px;
  border-bottom: 1px solid rgba(0,0,0,0.08);
  box-shadow: 0 8px 32px rgba(0,0,0,0.08);
}

.nav__mobile[hidden] { display: none; }

.nav__link-m {
  display: block; padding: 14px 0;
  font-size: 1rem; color: var(--c-black);
  border-bottom: 1px solid rgba(0,0,0,0.07);
  transition: color 0.2s;
}

.nav__link-m:hover { color: var(--c-warm-dk); }

.nav__link-m--cta {
  display: block; margin-top: 20px;
  padding: 14px 24px;
  background: var(--c-black); color: var(--c-white) !important;
  text-align: center; border: none;
  font-size: 0.85rem; letter-spacing: 0.06em; text-transform: uppercase;
}

.nav__link-m--cta:hover { background: var(--c-warm-dk); }


/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative; height: 100vh; min-height: 620px;
  overflow: hidden; background: var(--c-black);
}

.hero__video {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover; z-index: 0;
}

.hero__overlay {
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(
    160deg,
    rgba(0,0,0,0.55) 0%,
    rgba(0,0,0,0.18) 60%,
    rgba(0,0,0,0.4) 100%
  );
}

.hero__content {
  position: absolute; inset: 0; z-index: 2;
  display: flex; align-items: center;
  padding: 0 8vw;
}

.hero__logo {
  width: clamp(160px, 24vw, 380px);
  filter: brightness(0) invert(1);
  opacity: 0;
  transform: translateY(20px);
  animation: heroIn 1.1s var(--ease) 0.4s forwards;
}

@keyframes heroIn {
  to { opacity: 1; transform: translateY(0); }
}

.hero__scroll-hint {
  position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%);
  z-index: 2; display: flex; flex-direction: column; align-items: center;
  opacity: 0;
  animation: heroIn 1s var(--ease) 1.4s forwards;
}

.hero__scroll-line {
  display: block; width: 1px; height: 56px;
  background: rgba(255,255,255,0.4);
  position: relative; overflow: hidden;
}

.hero__scroll-line::after {
  content: '';
  position: absolute; top: -100%; left: 0; right: 0; bottom: 0;
  background: var(--c-warm);
  animation: scrollPulse 2s ease-in-out 1.8s infinite;
}

@keyframes scrollPulse {
  0%   { top: -100%; }
  50%  { top: 0; }
  100% { top: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .hero__logo  { opacity: 1; transform: none; animation: none; }
  .hero__scroll-hint { opacity: 1; animation: none; }
  .hero__scroll-line::after { animation: none; top: 0; }
}


/* ============================================================
   QUÉ CREAMOS
   ============================================================ */
.que-creamos {
  padding: 130px 0 150px;
  background: var(--c-white);
}

.que-creamos__inner {
  max-width: 860px; margin: 0 auto;
  padding: 0 48px;
}

.que-creamos__title {
  font-family: var(--f-title);
  font-size: clamp(2.4rem, 5vw, 4.8rem);
  font-weight: 500; letter-spacing: -0.025em;
  line-height: 1.05;
  color: var(--c-black);
  margin-bottom: 52px;
  /* overflow hidden per word set by JS */
}

.que-creamos__text p {
  font-size: clamp(1.05rem, 1.9vw, 1.3rem);
  line-height: 1.8;
  margin-bottom: 28px;
  color: var(--c-black);
}

.que-creamos__text .word {
  display: inline;
  will-change: color;
}

@media (prefers-reduced-motion: reduce) {
  .que-creamos__text .word { color: var(--c-black) !important; }
}


/* ============================================================
   EXPAND SECTION
   ============================================================ */
.expand-wrap {
  height: 280vh;
  position: relative;
  background: var(--c-white);
}

.expand-sticky {
  position: sticky; top: 0;
  height: 100vh;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}

.expand-img-box {
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}

.expand-img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  will-change: transform;
}

.expand-label {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,0.38);
  opacity: 0;
}

.expand-label span {
  font-family: var(--f-title);
  font-size: clamp(1.4rem, 4vw, 3.8rem);
  font-weight: 500;
  color: var(--c-white);
  letter-spacing: -0.015em;
  text-align: center;
  padding: 0 24px;
}

@media (prefers-reduced-motion: reduce) {
  .expand-wrap { height: auto; }
  .expand-sticky { position: static; height: auto; padding: 80px 0; }
  .expand-img-box { width: 100% !important; height: 60vh !important; }
  .expand-label { opacity: 1 !important; }
}


/* ============================================================
   SERVICIOS — cards con borde, ícono grande centrado,
               stroke-draw animation al entrar en viewport
   ============================================================ */
.servicios {
  padding: 120px 0 80px;
  background: var(--c-white);
}

.servicios__inner {
  max-width: 1200px; margin: 0 auto;
  padding: 0 48px;
}

/* Flex: 5 tarjetas en una sola fila en desktop */
.servicios__grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px;
}

/* Card con borde */
.service-card {
  /* 5 por fila: (100% - 4 gaps) / 5 = 20% - 19.2px */
  flex: 0 0 calc(20% - 19.2px);
  min-width: 0;
  display: flex; flex-direction: column; align-items: center;
  text-align: center;
  padding: 28px 20px 36px;
  border: 1px solid rgba(0,0,0,0.09);
  background: var(--c-white);
  position: relative;
  opacity: 0; transform: translateY(28px);
  transition: opacity 0.65s var(--ease), transform 0.65s var(--ease),
              border-color 0.3s, box-shadow 0.3s;
}

.service-card:hover {
  border-color: var(--c-warm);
  box-shadow: 0 8px 48px rgba(0,0,0,0.07);
}

.service-card.is-visible { opacity: 1; transform: translateY(0); }

.service-card:nth-child(2) { transition-delay: 0.1s; }
.service-card:nth-child(3) { transition-delay: 0.2s; }
.service-card:nth-child(4) { transition-delay: 0.3s; }
.service-card:nth-child(5) { transition-delay: 0.4s; }

/* Ícono grande */
.service-card__icon {
  width: 96px; height: 96px;
  color: var(--c-black);
  margin-bottom: 28px;
  flex-shrink: 0;
}

.service-card__icon svg { width: 100%; height: 100%; }

/* SVG stroke paths — start hidden (dashoffset = dasharray) */
.service-card__icon .ip {
  stroke-dasharray: 220;
  stroke-dashoffset: 220;
}

/* Draw strokes when card becomes visible, with stagger */
.service-card.is-visible .service-card__icon .ip {
  animation: drawStroke 0.9s ease forwards;
}

.service-card.is-visible .service-card__icon .ip:nth-child(1) { animation-delay: 0.05s; }
.service-card.is-visible .service-card__icon .ip:nth-child(2) { animation-delay: 0.14s; }
.service-card.is-visible .service-card__icon .ip:nth-child(3) { animation-delay: 0.22s; }
.service-card.is-visible .service-card__icon .ip:nth-child(4) { animation-delay: 0.30s; }
.service-card.is-visible .service-card__icon .ip:nth-child(5) { animation-delay: 0.38s; }
.service-card.is-visible .service-card__icon .ip:nth-child(6) { animation-delay: 0.46s; }
.service-card.is-visible .service-card__icon .ip:nth-child(7) { animation-delay: 0.54s; }
.service-card.is-visible .service-card__icon .ip:nth-child(8) { animation-delay: 0.62s; }
.service-card.is-visible .service-card__icon .ip:nth-child(9) { animation-delay: 0.70s; }

@keyframes drawStroke {
  to { stroke-dashoffset: 0; }
}

/* After draw completes: subtle float pulse */
.service-card.is-visible .service-card__icon svg {
  animation: iconFloat 3.5s ease-in-out 1.2s infinite;
}

@keyframes iconFloat {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-6px); }
}

.service-card:nth-child(2).is-visible .service-card__icon svg { animation-delay: 1.5s; }
.service-card:nth-child(3).is-visible .service-card__icon svg { animation-delay: 1.8s; }
.service-card:nth-child(4).is-visible .service-card__icon svg { animation-delay: 2.1s; }
.service-card:nth-child(5).is-visible .service-card__icon svg { animation-delay: 2.4s; }

.service-card__title {
  font-family: var(--f-title);
  font-size: 1rem; font-weight: 500;
  letter-spacing: -0.01em; line-height: 1.3;
  margin-bottom: 10px;
}

.service-card__desc {
  font-size: 0.875rem; line-height: 1.7;
  color: var(--c-gray);
}

@media (prefers-reduced-motion: reduce) {
  .service-card { opacity: 1; transform: none; transition: none; }
  .service-card__icon .ip { stroke-dashoffset: 0; animation: none; }
  .service-card.is-visible .service-card__icon .ip { animation: none; }
  .service-card.is-visible .service-card__icon svg { animation: none; }
}

/* CTA */
.servicios__cta {
  margin-top: 72px;
  display: flex; justify-content: center;
}

.btn-primary {
  display: inline-block;
  padding: 15px 52px;
  background: var(--c-black);
  color: var(--c-white);
  font-family: var(--f-body);
  font-size: 0.85rem; letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid var(--c-black);
  transition: background 0.28s, color 0.28s, border-color 0.28s, transform 0.4s var(--ease);
}

.btn-primary:hover {
  background: transparent;
  color: var(--c-black);
}


/* ============================================================
   ESPECIALISTAS EN ESTRUCTURA METÁLICA — full-bleed + parallax
   ============================================================ */
.metalica-section {
  position: relative;
  height: 72vh;
  min-height: 480px;
  overflow: hidden;
}

/* Fondo de imagen: más alto que el contenedor para dar margen al parallax */
.metalica-bg {
  position: absolute;
  top: -18%; bottom: -18%;
  left: 0; right: 0;
  background-image: url('../assets/img/metalica.png');
  background-size: cover;
  background-position: center;
  will-change: transform;
}

/* Overlay oscuro leve para que el texto sea legible */
.metalica-overlay {
  position: absolute; inset: 0;
  background: rgba(0,0,0,0.32);
}

.metalica-content {
  position: absolute; inset: 0;
  display: flex; align-items: center;
  padding: 0 8vw;
  z-index: 1;
}

/* Bloque de texto con fondo semi-transparente */
.metalica-text {
  max-width: 580px;
  padding: 40px 44px;
  background: rgba(0,0,0,0.52);
  /* Estado inicial para animación de entrada */
  opacity: 0;
  transform: translateX(-36px);
  filter: blur(10px);
  transition: opacity 0.95s var(--ease),
              transform 0.95s var(--ease),
              filter 0.85s ease;
}

.metalica-text.is-visible {
  opacity: 1;
  transform: translateX(0);
  filter: blur(0);
}

.metalica-title {
  font-family: var(--f-title);
  font-size: clamp(1.5rem, 2.8vw, 2.6rem);
  font-weight: 500;
  color: var(--c-white);
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 18px;
}

.metalica-desc {
  font-size: clamp(0.9rem, 1.3vw, 1.05rem);
  color: rgba(255,255,255,0.82);
  line-height: 1.75;
}

@media (prefers-reduced-motion: reduce) {
  .metalica-text { opacity: 1; transform: none; filter: none; transition: none; }
  .metalica-bg   { top: 0; bottom: 0; } /* sin margen extra para parallax */
}

@media (max-width: 768px) {
  .metalica-section { height: auto; min-height: 420px; }
  .metalica-bg { top: 0; bottom: 0; } /* sin parallax en mobile */
  .metalica-content { padding: 48px 24px; align-items: flex-end; padding-bottom: 48px; }
  .metalica-text { max-width: 100%; padding: 28px 24px; }
}


/* ============================================================
   PROYECTOS — aire generoso + espaciado asimétrico editorial
   Imágenes oscuras por defecto; hover claramente visible
   ============================================================ */
.proyectos {
  background: var(--c-black);
  padding: 96px 0 96px;
  position: relative; /* for darkGlow z-index context */
}

.proyectos__inner {
  max-width: 1440px; margin: 0 auto;
  padding: 0 40px;
  position: relative; z-index: 2;
}

.proyectos__heading {
  font-family: var(--f-title);
  font-size: clamp(0.75rem, 1vw, 0.9rem);
  font-weight: 500;
  color: rgba(255,255,255,0.22);
  text-transform: uppercase;
  letter-spacing: 0.28em;
  margin-bottom: 48px;
}

.proyectos__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 280px;
  column-gap: 20px;
  row-gap: 56px;   /* aire generoso entre filas */
  grid-auto-flow: dense;
}

.proj-item {
  overflow: hidden;
  opacity: 0;
  transform: scale(0.96) translateY(10px);
  transition: opacity 0.75s var(--ease), transform 0.75s var(--ease);
}

.proj-item.is-visible { opacity: 1; transform: scale(1) translateY(0); }

.proj-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  /* Oscuro por defecto — el hover "enciende" la imagen */
  filter: brightness(0.68);
  transition: filter 0.5s ease, transform 0.6s var(--ease);
  will-change: filter, transform;
}

.proj-item:hover img {
  filter: brightness(1.1);
  transform: scale(1.03);
}

/* Variantes de tamaño */
.proj-item--lg   { grid-column: span 2; grid-row: span 2; }
.proj-item--md   { grid-column: span 1; grid-row: span 2; }
.proj-item--tall { grid-column: span 1; grid-row: span 2; }
.proj-item--wide { grid-column: span 2; grid-row: span 1; }
.proj-item--sm   { grid-column: span 1; grid-row: span 1; }

/* Desplazamientos verticales asimétricos (editorial) — padding-top en grid no afecta flujo */
.proj-item--offset-a { margin-top: 40px; }
.proj-item--offset-b { margin-top: 72px; }
.proj-item--offset-c { margin-top: 24px; }

@media (prefers-reduced-motion: reduce) {
  .proj-item { opacity: 1; transform: none; transition: none; }
  .proj-item img { filter: brightness(0.9); transition: filter 0.3s; }
  .proj-item:hover img { transform: none; }
}


/* ============================================================
   INSPIRACIÓN — título visible + wipe reveal
   ============================================================ */
.inspiracion {
  background: var(--c-white);
  padding: 120px 0;
}

.inspiracion__header {
  max-width: 1440px; margin: 0 auto;
  padding: 0 48px;
  margin-bottom: 56px;
}

.inspiracion__title {
  font-family: var(--f-title);
  font-size: clamp(2rem, 4vw, 3.8rem);
  font-weight: 500; letter-spacing: -0.025em;
  color: var(--c-black);
  line-height: 1;
}

.inspiracion__grid {
  max-width: 1440px; margin: 0 auto;
  padding: 0 48px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

/* Cards siempre visibles — el JS añade .is-revealed para una
   transición de entrada suave, pero la base nunca oculta el contenido. */
.inspi-card {
  position: relative;
  overflow: hidden;
  aspect-ratio: 2/3;
}

/* Entrada sutil: las cards comienzan ligeramente desplazadas y
   se revelan al entrar en viewport. Como parten de opacity visible,
   el fallback sin JS o con IO lento es siempre correcto. */
@media (prefers-reduced-motion: no-preference) {
  .inspi-card.will-enter {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.85s var(--ease), transform 0.85s var(--ease);
  }

  .inspi-card.will-enter.is-revealed {
    opacity: 1;
    transform: translateY(0);
  }

  .inspi-card.will-enter.is-revealed:nth-child(2) { transition-delay: 0.12s; }
  .inspi-card.will-enter.is-revealed:nth-child(3) { transition-delay: 0.24s; }
}

.inspi-card__media {
  position: absolute; inset: 0;
}

.inspi-card__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.9s var(--ease);
}

.inspi-card:hover .inspi-card__media img { transform: scale(1.05); }

.inspi-card__body {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 32px 28px;
  background: linear-gradient(
    to top,
    rgba(0,0,0,0.80) 0%,
    rgba(0,0,0,0.12) 55%,
    transparent 100%
  );
  color: var(--c-white);
}

.inspi-card__headline {
  font-family: var(--f-title);
  font-size: clamp(1rem, 1.6vw, 1.45rem);
  font-weight: 500; letter-spacing: -0.01em; line-height: 1.25;
  margin-bottom: 10px;
}

.inspi-card__text {
  font-size: 0.82rem; line-height: 1.65;
  opacity: 0.82;
}

/* reduced-motion: nada que resetear, las cards son visibles por defecto */


/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--c-black);
  padding: 80px 0 48px;
  color: rgba(255,255,255,0.65);
  position: relative; z-index: 2;
}

.footer__inner {
  max-width: 1440px; margin: 0 auto;
  padding: 0 48px;
}

.footer__top {
  display: flex; justify-content: space-between;
  align-items: flex-start;
  gap: 48px;
  padding-bottom: 64px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer__logo img {
  height: 38px; width: auto;
  filter: brightness(0) invert(1);
  opacity: 0.72;
  transition: opacity 0.2s;
}

.footer__logo:hover img { opacity: 1; }

.footer__info { display: flex; gap: 80px; align-items: flex-start; }

.footer__address { font-size: 0.9rem; line-height: 1.9; }

.footer__contact { display: flex; flex-direction: column; gap: 6px; }

.footer__contact a {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.65);
  transition: color 0.2s;
}

.footer__contact a:hover { color: var(--c-warm); }

.footer__social {
  padding-top: 40px;
  margin-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.footer__social-link {
  display: inline-flex; align-items: center; gap: 12px;
  color: rgba(255,255,255,0.55);
  transition: color 0.25s;
}

.footer__social-link:hover { color: var(--c-warm); }

.footer__social-link svg {
  width: 22px; height: 22px;
  flex-shrink: 0;
}

.footer__social-link span {
  font-size: 0.85rem; letter-spacing: 0.02em;
}

.footer__bottom {
  margin-top: 36px;
  font-size: 0.78rem;
  opacity: 0.38;
}


/* ============================================================
   FLOATING BUTTON
   ============================================================ */
.float-btn {
  position: fixed; right: 0; top: 50%;
  z-index: 90;
  writing-mode: vertical-rl;
  padding: 20px 14px;
  background: var(--c-black);
  color: var(--c-white);
  font-family: var(--f-body);
  font-size: 0.72rem; letter-spacing: 0.14em;
  text-transform: uppercase;
  border-left: 3px solid var(--c-warm);
  /* magnet-btn override: combine with translateX for slide-in */
  transform: translateY(-50%) translateX(100%) !important;
  transition: transform 0.55s var(--ease), background 0.25s !important;
  box-shadow: -4px 0 24px rgba(0,0,0,0.15);
}

.float-btn.is-visible {
  transform: translateY(-50%) translateX(0) !important;
}

.float-btn:hover { background: var(--c-warm-dk); }


/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1100px) {
  .nav__links { gap: 20px; }
  /* 3 por fila en tablet: (100% - 2 gaps) / 3 */
  .service-card { flex: 0 0 calc(33.333% - 16px); }
  .proyectos__grid { grid-template-columns: repeat(3, 1fr); grid-auto-rows: 220px; }
  .inspiracion__grid { gap: 14px; }
}

@media (max-width: 768px) {
  :root { --nav-h: 64px; }

  .nav__links, .nav__cta { display: none; }
  .nav__burger { display: flex; }
  .nav__inner { padding: 0 24px; gap: 0; }

  .hero__content { padding: 0 6vw; }
  .hero__logo { width: clamp(130px, 55vw, 220px); }

  .que-creamos { padding: 80px 0 100px; }
  .que-creamos__inner { padding: 0 24px; }

  .expand-wrap { height: 220vh; }

  .servicios { padding: 80px 0 60px; }
  .servicios__inner { padding: 0 24px; }
  .servicios__grid { gap: 0; }
  .service-card { flex: 0 0 100%; opacity: 1; transform: none; }
  .service-card__icon .ip { stroke-dashoffset: 0; }

  .proyectos { padding: 72px 0; }
  .proyectos__inner { padding: 0 16px; }
  .proyectos__grid {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 180px;
    column-gap: 10px; row-gap: 28px;
  }
  .proj-item--lg  { grid-column: span 2; grid-row: span 2; }
  .proj-item--wide { grid-column: span 2; }
  .proj-item--md, .proj-item--tall { grid-row: span 2; }
  /* Disable offsets on mobile to avoid layout quirks */
  .proj-item--offset-a,
  .proj-item--offset-b,
  .proj-item--offset-c { margin-top: 0; }

  .inspiracion { padding: 72px 0; }
  .inspiracion__header { padding: 0 24px; margin-bottom: 36px; }
  .inspiracion__grid { grid-template-columns: 1fr; padding: 0 24px; gap: 20px; }
  .inspi-card { aspect-ratio: 4/3; }

  .footer__inner { padding: 0 24px; }
  .footer__top { flex-direction: column; gap: 40px; }
  .footer__info { flex-direction: column; gap: 32px; }

  .float-btn { font-size: 0.65rem; padding: 16px 12px; }
}

@media (max-width: 480px) {
  .proyectos__grid { grid-template-columns: 1fr; grid-auto-rows: 240px; }
  .proj-item--lg, .proj-item--wide,
  .proj-item--md, .proj-item--tall,
  .proj-item--sm { grid-column: span 1; grid-row: span 1; }
  .proj-item--lg { grid-row: span 2; }
}