:root{
  --bg:#f5f3ee;
  --bg-soft:#ece8e1;
  --surface:#ffffff;
  --text:#111111;
  --text-soft:#5e5a55;
  --line:rgba(17,17,17,.12);
  --line-strong:rgba(17,17,17,.22);
  --dark:#0d0d0d;
  --dark-soft:#171717;
  --light:#f7f5f0;
  --accent:#3f4b42;
  --max-width:1440px;
  --radius:22px;
  --radius-sm:14px;
  --header-h:96px;
  --container-pad:clamp(22px,3vw,48px);
  --section-space:clamp(84px,10vw,160px);
  --title-xl:clamp(3.2rem,8vw,8.5rem);
  --title-lg:clamp(2.2rem,5vw,4.9rem);
  --title-md:clamp(1.45rem,2.3vw,2.2rem);
  --body-lg:clamp(1.02rem,1.4vw,1.28rem);
  --body:1rem;
  --small:.84rem;
  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow:0 20px 60px rgba(0,0,0,.08);
}

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

html{
  scroll-behavior:smooth;
}

body{
  margin:0;
  font-family:'Inter',system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  background:var(--bg);
  color:var(--text);
  text-rendering:optimizeLegibility;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

body.menu-open{
  overflow:hidden;
}

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

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

button{
  font:inherit;
}

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

p,
h1,
h2,
h3,
h4{
  margin:0;
}

.container{
  width:min(100%,var(--max-width));
  margin:0 auto;
  padding-inline:var(--container-pad);
}

.section{
  position:relative;
  padding:var(--section-space) 0;
}

.section-dark{
  background:var(--dark);
  color:#f5f5f5;
}

.section-dark .eyebrow,
.section-dark .section-text,
.section-dark .project-meta,
.section-dark .project-text,
.section-dark .step p{
  color:rgba(255,255,255,.72);
}

.site-loader{
  position:fixed;
  inset:0;
  background:var(--bg);
  z-index:9999;
  pointer-events:none;
  opacity:0;
  visibility:hidden;
}

/* =========================
   HEADER
========================= */

.site-header{
  position:fixed;
  top:0;
  left:0;
  width:100%;
  z-index:120;
  background:rgba(245,243,238,0);
  backdrop-filter:blur(0px);
  -webkit-backdrop-filter:blur(0px);
  border-bottom:1px solid rgba(17,17,17,0);
  transition:
    background-color .45s var(--ease),
    backdrop-filter .45s var(--ease),
    -webkit-backdrop-filter .45s var(--ease),
    border-color .45s var(--ease),
    transform .4s var(--ease);
}

.site-header.scrolled{
  background:rgba(245,243,238,.72);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-color:rgba(17,17,17,.08);
}

.site-header.scrolled .header-inner{
  min-height:88px;
}

.section-dark + .site-footer{
  border-top:1px solid rgba(255,255,255,.1);
}

.header-inner{
  min-height:var(--header-h);
  display:grid;
  grid-template-columns:auto 1fr auto auto;
  align-items:center;
  gap:28px;
  transition:min-height .35s var(--ease);
}

/* =========================
   LOGO
========================= */

.logo{
  display:flex;
  align-items:center;
  line-height:0;
  white-space:nowrap;
  position:relative;
  z-index:130;
}

.logo img{
  height:50px;
  width:auto;
  max-width:none;
  display:block;
  filter:brightness(0) invert(1);
  transition:
    filter .45s var(--ease),
    transform .25s ease,
    height .3s ease,
    opacity .3s ease;
}

.site-header.scrolled .logo img{
  filter:none;
}

.logo:hover img{
  transform:translateY(-1px);
}

/* =========================
   NAV
========================= */

.main-nav{
  display:flex;
  justify-content:center;
  gap:28px;
  align-items:center;
}

.main-nav a{
  font-size:.83rem;
  font-weight:500;
  letter-spacing:.06em;
  text-transform:uppercase;
  opacity:.78;
  transition:
    opacity .25s ease,
    color .45s var(--ease);
}

.main-nav a:hover{
  opacity:1;
}

.site-header:not(.scrolled) .main-nav a{
  color:#fff;
  opacity:.88;
}

.site-header:not(.scrolled) .main-nav a:hover{
  opacity:1;
}

.site-header.scrolled .main-nav a{
  color:var(--text);
}

/* =========================
   HEADER CTA
========================= */

.header-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:44px;
  padding:0 18px;
  border:1px solid var(--line-strong);
  border-radius:999px;
  font-size:.82rem;
  font-weight:600;
  letter-spacing:.05em;
  text-transform:uppercase;
  transition:
    background-color .3s ease,
    border-color .3s ease,
    color .45s var(--ease),
    transform .25s ease;
}

.header-cta:hover{
  background:var(--text);
  color:var(--light);
  border-color:var(--text);
  transform:translateY(-1px);
}

.site-header:not(.scrolled) .header-cta{
  color:#fff;
  border-color:rgba(255,255,255,.38);
  background:rgba(255,255,255,.04);
}

.site-header:not(.scrolled) .header-cta:hover{
  background:#fff;
  color:#111;
  border-color:#fff;
}

.site-header.scrolled .header-cta{
  color:var(--text);
  border-color:var(--line-strong);
  background:transparent;
}

/* =========================
   MENU TOGGLE
========================= */

.menu-toggle{
  display:none;
  width:46px;
  height:46px;
  border:0;
  background:transparent;
  padding:0;
  cursor:pointer;
  position:relative;
}

.menu-toggle span{
  position:absolute;
  left:10px;
  right:10px;
  height:1.5px;
  background:var(--text);
  transition:transform .25s ease, top .25s ease, opacity .25s ease, background-color .45s var(--ease);
}

.site-header:not(.scrolled) .menu-toggle span{
  background:#fff;
}

.site-header.scrolled .menu-toggle span{
  background:var(--text);
}

.menu-toggle span:first-child{
  top:18px;
}

.menu-toggle span:last-child{
  top:27px;
}

body.menu-open .menu-toggle span:first-child{
  top:22px;
  transform:rotate(45deg);
}

body.menu-open .menu-toggle span:last-child{
  top:22px;
  transform:rotate(-45deg);
}

/* =========================
   HERO
========================= */

.hero{
  position:relative;
  min-height:100svh;
  display:flex;
  align-items:flex-end;
  overflow:hidden;
  padding:calc(var(--header-h) + 40px) 0 42px;
  background:#0f0f0f;
}

.hero-media{
  position:absolute;
  inset:0;
  overflow:hidden;
}

.hero-media video,
.hero-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transform:scale(1.08);
  will-change:transform;
}

.hero-overlay{
  position:absolute;
  inset:0;
  background:
    linear-gradient(
      to top,
      rgba(0,0,0,.88) 0%,
      rgba(0,0,0,.64) 40%,
      rgba(0,0,0,.46) 72%,
      rgba(0,0,0,.32) 100%
    );
}

.hero-content{
  position:relative;
  z-index:2;
  width:100%;
}

.hero-text{
  max-width:980px;
}

.eyebrow{
  display:inline-block;
  margin-bottom:18px;
  font-size:.78rem;
  line-height:1.2;
  font-weight:600;
  text-transform:uppercase;
  letter-spacing:.14em;
  color:var(--text-soft);
}

.hero .eyebrow{
  color:rgba(255,255,255,.72);
}

.hero-title{
  font-size:var(--title-xl);
  line-height:.92;
  font-weight:800;
  letter-spacing:-.05em;
  color:#fff;
  max-width:11ch;
}

.title-line{
  display:block;
}

.hero-description{
  max-width:700px;
  margin-top:28px;
  font-size:var(--body-lg);
  line-height:1.55;
  color:rgba(255,255,255,.82);
}

.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:34px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:52px;
  padding:0 22px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:.86rem;
  font-weight:650;
  letter-spacing:.05em;
  text-transform:uppercase;
  transition:
    transform .25s ease,
    background-color .25s ease,
    color .25s ease,
    border-color .25s ease;
}

.btn:hover{
  transform:translateY(-2px);
}

.btn-primary{
  background:#fff;
  color:#111;
}

.btn-primary:hover{
  background:rgba(255,255,255,.88);
}

.btn-secondary{
  border-color:rgba(255,255,255,.28);
  color:#fff;
  background:rgba(255,255,255,.06);
  backdrop-filter:blur(10px);
}

.btn-secondary:hover{
  background:rgba(255,255,255,.12);
  border-color:rgba(255,255,255,.44);
}

.hero-scroll{
  position:absolute;
  right:var(--container-pad);
  bottom:26px;
  z-index:3;
  color:rgba(255,255,255,.58);
  font-size:.76rem;
  letter-spacing:.16em;
  text-transform:uppercase;
  writing-mode:vertical-rl;
  transform:rotate(180deg);
}

/* =========================
   LAYOUT
========================= */

.section-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:clamp(28px,5vw,80px);
  align-items:start;
}

.section-col{
  min-width:0;
}

.section-head{
  display:flex;
  flex-direction:column;
  gap:12px;
  margin-bottom:clamp(36px,5vw,62px);
}

.section-title{
  font-size:var(--title-lg);
  line-height:.98;
  font-weight:760;
  letter-spacing:-.045em;
  max-width:12ch;
}

.section-text{
  max-width:680px;
  font-size:var(--body-lg);
  line-height:1.65;
  color:var(--text-soft);
}

/* =========================
   PARALLAX
========================= */

.parallax-block{
  position:relative;
  height:min(90vh,900px);
  overflow:hidden;
  background:#111;
}

.parallax-media{
  position:absolute;
  inset:0;
  overflow:hidden;
}

.parallax-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(to top, rgba(0,0,0,.52), rgba(0,0,0,.18));
  pointer-events:none;
  z-index:2;
}

.parallax-track{
  position:absolute;
  top:0;
  left:0;
  width:100%;
  height:180%;
  transform:translate3d(0,-100%,0);
  will-change:transform;
  backface-visibility:hidden;
  -webkit-backface-visibility:hidden;
  transform-style:preserve-3d;
}

.parallax-img{
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center center;
  display:block;
  transform:translateZ(0);
  backface-visibility:hidden;
  -webkit-backface-visibility:hidden;
}

.parallax-caption{
  position:absolute;
  left:var(--container-pad);
  right:var(--container-pad);
  bottom:44px;
  z-index:3;
}

.parallax-caption--center{
  bottom:auto;
  top:50%;
  transform:translateY(-50%);
  display:flex;
  justify-content:center;
  text-align:center;
}

.parallax-caption span{
  display:block;
  max-width:520px;
  color:#fff;
  font-size:clamp(1.4rem,2.6vw,2.4rem);
  line-height:1.15;
  font-weight:650;
  letter-spacing:-.04em;
}

.parallax-caption--center span{
  max-width:680px;
}

/* =========================
   SERVICES
========================= */

.services-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
}

.service-card{
  background:rgba(255,255,255,.55);
  backdrop-filter:blur(8px);
  min-height:320px;
  padding:26px;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  gap:24px;
  transition:
    background-color .25s ease,
    transform .25s ease;
}

.service-card:hover{
  background:#fff;
  transform:translateY(-4px);
}

.service-number{
  font-size:.78rem;
  font-weight:700;
  letter-spacing:.16em;
  color:var(--text-soft);
}

.service-card h3{
  max-width:15ch;
  font-size:var(--title-md);
  line-height:1.02;
  font-weight:720;
  letter-spacing:-.035em;
}

.service-card p{
  max-width:34ch;
  font-size:1rem;
  line-height:1.62;
  color:var(--text-soft);
}

/* =========================
   MODEL
========================= */

.model{
  overflow:hidden;
}

.model-grid{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:1px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.12);
}

.model-item{
  min-height:200px;
  display:flex;
  align-items:flex-end;
  padding:24px;
  background:rgba(255,255,255,.03);
  backdrop-filter:blur(6px);
}

.model-item span{
  display:block;
  font-size:clamp(1.15rem,2vw,1.8rem);
  line-height:1;
  letter-spacing:-.03em;
  font-weight:650;
  color:#fff;
}

/* =========================
   PORTFOLIO
========================= */

.portfolio-list{
  display:flex;
  flex-direction:column;
  gap:clamp(54px,8vw,120px);
}

.project{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:clamp(24px,4vw,52px);
  align-items:center;
}

.project.reverse{
  grid-template-columns:.85fr 1.15fr;
}

.project.reverse .project-media{
  order:2;
}

.project.reverse .project-info{
  order:1;
}

.project-media{
  position:relative;
  min-height:640px;
  overflow:hidden;
  border-radius:var(--radius);
  background:#d8d3ca;
}

.project-media img{
  width:100%;
  height:120%;
  object-fit:cover;
}

.project-info{
  min-width:0;
}

.project-meta{
  font-size:.8rem;
  font-weight:600;
  text-transform:uppercase;
  letter-spacing:.14em;
  color:var(--text-soft);
}

.project-title{
  margin-top:14px;
  font-size:clamp(2rem,4vw,4rem);
  line-height:.96;
  letter-spacing:-.05em;
  font-weight:760;
  max-width:10ch;
}

.project-text{
  margin-top:22px;
  max-width:34ch;
  font-size:1.05rem;
  line-height:1.65;
  color:var(--text-soft);
}

.project-link{
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin-top:26px;
  font-size:.88rem;
  font-weight:650;
  letter-spacing:.08em;
  text-transform:uppercase;
  position:relative;
}

.project-link::after{
  content:"";
  width:42px;
  height:1px;
  background:currentColor;
  transition:transform .25s ease;
}

.project-link:hover::after{
  transform:translateX(6px);
}

/* =========================
   SECTORES
========================= */

.sectors .section-head{
  margin-bottom:clamp(36px,5vw,62px);
}

.sector-grid{
  display:grid;
  grid-template-columns:repeat(3, minmax(0,1fr));
  gap:2px;
}

.sector-item{
  position:relative;
  overflow:hidden;
  aspect-ratio:4/3;
  cursor:default;
  background:#1a1a1a;
}

.sector-bg{
  position:absolute;
  inset:0;
  background-size:cover;
  background-position:center;
  filter:grayscale(100%);
  transform:scale(1.04);
  transition:
    filter .7s var(--ease),
    transform .7s var(--ease);
}

.sector-overlay{
  position:absolute;
  inset:0;
  background:rgba(0,0,0,.52);
  transition:background .7s var(--ease);
  z-index:1;
}

.sector-name{
  position:absolute;
  inset:0;
  z-index:2;
  display:flex;
  align-items:flex-end;
  padding:22px 24px;
  font-size:clamp(1rem,1.4vw,1.22rem);
  font-weight:700;
  letter-spacing:-.02em;
  color:#fff;
  transition:transform .4s var(--ease);
}

.sector-item:hover .sector-bg{
  filter:grayscale(0%);
  transform:scale(1.08);
}

.sector-item:hover .sector-overlay{
  background:rgba(0,0,0,.28);
}

.sector-item:hover .sector-name{
  transform:translateY(-4px);
}

/* =========================
   PROCESS
========================= */

.process-steps{
  display:grid;
  grid-template-columns:repeat(5,minmax(0,1fr));
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
}

.step{
  min-height:260px;
  padding:24px;
  background:var(--surface);
  display:flex;
  flex-direction:column;
  justify-content:flex-start;
  gap:18px;
}

.step-index{
  font-size:.78rem;
  font-weight:700;
  letter-spacing:.16em;
  color:var(--text-soft);
}

.step h3{
  font-size:1.34rem;
  line-height:1.05;
  font-weight:700;
  letter-spacing:-.03em;
}

.step p{
  max-width:24ch;
  color:var(--text-soft);
  line-height:1.62;
}

/* =========================
   CTA
========================= */

.cta{
  overflow:hidden;
}

.cta-inner{
  min-height:46vh;
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:flex-start;
}

.cta-title{
  max-width:11ch;
  font-size:clamp(2.4rem,6vw,5.6rem);
  line-height:.96;
  font-weight:780;
  letter-spacing:-.05em;
  color:#fff;
  margin-bottom:28px;
}

/* =========================
   FOOTER
========================= */

.site-footer{
  padding:42px 0 46px;
  border-top:1px solid var(--line);
  background:var(--bg);
}

.footer-inner{
  display:grid;
  grid-template-columns:auto 1fr auto;
  align-items:center;
  gap:24px;
}

.footer-left img{
  height:40px;
  width:auto;
  display:block;
  opacity:.9;
  transition:opacity .25s ease;
}

.footer-left img:hover{
  opacity:1;
}

.footer-center{
  display:flex;
  justify-content:center;
}

.footer-center a{
  font-size:.9rem;
  font-weight:600;
  letter-spacing:.04em;
  color:var(--text-soft);
  transition:
    color .25s ease,
    letter-spacing .25s ease;
}

.footer-center a:hover{
  color:var(--text);
  letter-spacing:.06em;
}

.footer-right{
  display:flex;
  flex-direction:column;
  align-items:flex-end;
  gap:10px;
}

.footer-social{
  display:flex;
  gap:18px;
}

.footer-social a{
  font-size:.75rem;
  font-weight:600;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--text-soft);
  transition:
    color .25s ease,
    transform .25s ease;
}

.footer-social a:hover{
  color:var(--text);
  transform:translateY(-2px);
}

.footer-right span{
  font-size:.78rem;
  font-weight:600;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--text-soft);
}

/* =========================
   REVEAL
========================= */

.reveal-up{
  opacity:0;
  transform:translate3d(0,42px,0);
  transition:
    opacity .9s var(--ease),
    transform .9s var(--ease);
  will-change:opacity,transform;
}

.reveal-up.is-visible{
  opacity:1;
  transform:translate3d(0,0,0);
}

.delay-1{ transition-delay:.08s; }
.delay-2{ transition-delay:.16s; }
.delay-3{ transition-delay:.24s; }
.delay-4{ transition-delay:.32s; }
.delay-5{ transition-delay:.4s; }

@media (prefers-reduced-motion: reduce){
  html{
    scroll-behavior:auto;
  }

  *,
  *::before,
  *::after{
    animation:none !important;
    transition:none !important;
  }

  .reveal-up{
    opacity:1 !important;
    transform:none !important;
  }

  .parallax-track,
  .hero-media video,
  .hero-media img{
    transform:none !important;
  }

  .sector-bg{
    filter:grayscale(0%) !important;
    transform:none !important;
  }
}

@media (max-width: 1180px){
  .project,
  .project.reverse{
    grid-template-columns:1fr;
  }

  .project.reverse .project-media,
  .project.reverse .project-info{
    order:initial;
  }

  .project-media{
    min-height:540px;
  }

  .model-grid{
    grid-template-columns:repeat(3,1fr);
  }

  .process-steps{
    grid-template-columns:repeat(3,minmax(0,1fr));
  }

  .sector-grid{
    grid-template-columns:repeat(3,minmax(0,1fr));
  }
}

@media (max-width: 980px){
  :root{
    --header-h:74px;
    --section-space:clamp(72px,11vw,112px);
  }

  .header-inner{
    grid-template-columns:auto 1fr auto;
    min-height:88px;
  }

  .logo img{
    height:42px;
  }

  .main-nav{
    position:fixed;
    top:74px;
    left:0;
    right:0;
    bottom:0;
    background:rgba(245,243,238,.98);
    backdrop-filter:blur(20px);
    flex-direction:column;
    justify-content:flex-start;
    align-items:flex-start;
    padding:34px var(--container-pad) 40px;
    gap:22px;
    transform:translateY(12px);
    opacity:0;
    visibility:hidden;
    transition:
      opacity .25s ease,
      transform .25s ease,
      visibility .25s ease;
  }

  body.menu-open .main-nav{
    opacity:1;
    visibility:visible;
    transform:translateY(0);
  }

  .main-nav a{
    font-size:1.15rem;
    letter-spacing:.02em;
    text-transform:none;
  }

  .header-cta{
    display:none;
  }

  .menu-toggle{
    display:block;
    justify-self:end;
  }

  .section-grid{
    grid-template-columns:1fr;
  }

  .hero{
    min-height:92svh;
    padding-bottom:32px;
  }

  .hero-title{
    max-width:12ch;
  }

  .services-grid,
  .model-grid,
  .process-steps{
    grid-template-columns:1fr 1fr;
  }

  .sector-grid{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }

  .footer-inner{
    grid-template-columns:1fr;
    gap:20px;
    text-align:center;
  }

  .footer-left,
  .footer-center,
  .footer-right{
    justify-content:center;
    align-items:center;
  }

  .footer-right{
    gap:12px;
  }

  .footer-social{
    justify-content:center;
  }
}

@media (max-width: 680px){
  :root{
    --container-pad:20px;
    --radius:18px;
  }

  .logo img{
    height:38px;
  }

  .hero{
    min-height:100svh;
    align-items:flex-end;
  }

  .hero-title{
    font-size:clamp(2.7rem,15vw,4.5rem);
    max-width:9ch;
  }

  .hero-description{
    margin-top:22px;
    font-size:1rem;
    line-height:1.58;
  }

  .hero-actions{
    flex-direction:column;
    align-items:stretch;
  }

  .btn{
    width:100%;
  }

  .hero-scroll{
    display:none;
  }

  .section-title{
    max-width:none;
  }

  .parallax-block{
    height:62vh;
  }

  .parallax-caption--center span{
    font-size:clamp(.95rem,4vw,1.2rem);
  }

  .services-grid,
  .model-grid,
  .process-steps{
    grid-template-columns:1fr;
  }

  .sector-grid{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }

  .service-card,
  .step{
    min-height:auto;
  }

  .model-item{
    min-height:120px;
  }

  .project-media{
    min-height:380px;
  }

  .project-title{
    max-width:none;
  }

  .cta-inner{
    min-height:auto;
  }

  .cta-title{
    max-width:none;
  }
}