/* ==========================================================
   China Tiesiju Civil Engineering Group Co. Ltd. Sucursal del Perú – estilos
   Paleta corporativa tomada del Folleto corporativo de CTCE
   ========================================================== */
:root {
  /* Colores corporativos */
  --bronze: #c99d85;        /* títulos y barras del folleto */
  --bronze-d: #8f644c;      /* bronce oscuro para texto sobre claro */
  --sand: #efe2da;
  --cream: #f7f2ec;
  --blue: #0098dc;          /* azul CTCE */
  --blue-d: #036eb8;        /* azul del logo */
  --sky: #9acaed;
  --green: #007b5a;
  --orange: #f18c34;
  --navy: #0b2a45;          /* secciones oscuras */
  --navy-2: #0f3557;

  --paper: #ffffff;
  --ink: #2b2827;
  --text: #4c4948;          /* gris de texto del folleto */
  --muted: #6e6968;
  --line: rgba(76, 73, 72, .14);
  --line-l: rgba(255, 255, 255, .14);

  --radius: 18px;
  --ease: cubic-bezier(.22, 1, .36, 1);
  --container: 1280px;
  --font: "Inter", system-ui, sans-serif;
  --display: "Space Grotesk", "Inter", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; overflow-x: hidden; overflow-x: clip; }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
body {
  margin: 0;
  background: var(--cream);
  color: var(--text);
  font: 400 16px/1.65 var(--font);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  overflow-x: clip;
  max-width: 100%;
}
body.is-loading { overflow: hidden; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
::selection { background: var(--bronze); color: #fff; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; }

.container { width: min(var(--container), 100% - 48px); margin-inline: auto; }
@media (max-width: 600px) { .container { width: calc(100% - 32px); } }

em, em .wi { font-style: normal; color: transparent; background: linear-gradient(100deg, var(--bronze-d), var(--blue-d)); -webkit-background-clip: text; background-clip: text; }
em:has(.wi) { background: none; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font: 600 12.5px/1.3 var(--font); letter-spacing: .16em; text-transform: uppercase;
  color: var(--bronze-d); margin: 0 0 22px;
}
.eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--bronze); box-shadow: 0 0 0 4px rgba(201,157,133,.25); flex-shrink: 0; }
.eyebrow--light { color: var(--bronze); }
.h2 { font: 600 clamp(32px, 4.4vw, 58px)/1.06 var(--display); letter-spacing: -.025em; margin: 0 0 24px; color: var(--ink); }
.h3 { font: 600 22px/1.25 var(--display); color: var(--ink); margin: 0 0 18px; }
.lead { font-size: clamp(17px, 1.4vw, 20px); color: var(--ink); }
p { margin: 0 0 18px; }
strong { color: var(--ink); }

.section { padding: clamp(90px, 11vw, 150px) 0; position: relative; }
.section__head { display: grid; grid-template-columns: 1.3fr 1fr; gap: 40px; align-items: end; margin-bottom: 60px; }
.section__head--center { grid-template-columns: 1fr; text-align: center; justify-items: center; }
.section__intro { max-width: 440px; justify-self: end; }
@media (max-width: 860px) { .section__head { grid-template-columns: 1fr; } .section__intro { justify-self: start; } }

/* split-text */
.split .w { display: inline-block; overflow: hidden; vertical-align: top; padding-bottom: .08em; margin-bottom: -.08em; }
.split .wi { display: inline-block; will-change: transform; }

/* ---------- Buttons ---------- */
.btn {
  --h: 54px;
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 12px;
  height: var(--h); padding: 0 28px; border-radius: 100px;
  font: 500 15px/1 var(--font); letter-spacing: .01em; overflow: hidden; isolation: isolate;
  transition: color .4s var(--ease), border-color .4s var(--ease);
}
.btn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; transition: transform .4s var(--ease); }
.btn:hover svg { transform: translateX(4px); }
.btn::before { content: ""; position: absolute; inset: 0; z-index: -1; border-radius: inherit; transform: translateY(101%); transition: transform .5s var(--ease); }
.btn:hover::before { transform: none; }
.btn--primary { background: var(--blue-d); color: #fff; }
.btn--primary::before { background: var(--bronze-d); }
.btn--ghost { border: 1px solid rgba(255,255,255,.45); color: #fff; backdrop-filter: blur(8px); }
.btn--ghost::before { background: #fff; }
.btn--ghost:hover { color: var(--navy); }
.btn--sm { --h: 44px; padding: 0 22px; font-size: 14px; }
.btn--lg { --h: 64px; padding: 0 36px; font-size: 16px; }
.btn--block { width: 100%; }

/* ---------- Preloader ---------- */
.preloader { position: fixed; inset: 0; z-index: 1000; background: var(--cream); display: grid; place-items: center; }
.preloader__inner { display: grid; justify-items: center; gap: 18px; }
.preloader__logo { width: 84px; border-radius: 14px; }
.preloader__name { font: 600 12.5px/1.5 var(--font); letter-spacing: .14em; text-transform: uppercase; color: var(--bronze-d); text-align: center; max-width: 320px; padding: 0 16px; }
.preloader__bar { width: 220px; height: 2px; background: var(--line); overflow: hidden; }
.preloader__bar span { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--bronze), var(--blue)); }
.preloader__count { font: 500 13px/1 var(--display); color: var(--muted); letter-spacing: .1em; }

/* ---------- Grain / progress / cursor ---------- */
.grain {
  position: fixed; inset: 0; z-index: 900; pointer-events: none; opacity: .035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain 8s steps(10) infinite;
}
@keyframes grain { 0%,100%{background-position:0 0} 20%{background-position:-40px 30px} 40%{background-position:30px -50px} 60%{background-position:-20px 15px} 80%{background-position:50px 40px} }
.scroll-progress { position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 600; }
.scroll-progress span { display: block; height: 100%; transform-origin: left; transform: scaleX(0); background: linear-gradient(90deg, var(--bronze), var(--blue)); }

.cursor { display: none; }
@media (hover: hover) and (pointer: fine) {
  .cursor { display: block; position: fixed; top: 0; left: 0; z-index: 950; pointer-events: none; mix-blend-mode: difference; opacity: 0; transition: opacity .3s; }
  .cursor.is-on { opacity: 1; }
  .cursor__dot, .cursor__ring { position: fixed; top: 0; left: 0; border-radius: 50%; transform: translate(-50%, -50%); }
  .cursor__dot { width: 6px; height: 6px; background: #fff; }
  .cursor__ring { width: 38px; height: 38px; border: 1px solid #fff; display: grid; place-items: center; transition: width .35s var(--ease), height .35s var(--ease), background .35s; }
  .cursor__label { font: 600 11px/1 var(--font); letter-spacing: .1em; text-transform: uppercase; color: #fff; opacity: 0; transition: opacity .2s; }
  .cursor.is-hover .cursor__ring { width: 64px; height: 64px; background: rgba(255,255,255,.12); }
  .cursor.is-view { mix-blend-mode: normal; }
  .cursor.is-view .cursor__ring { width: 92px; height: 92px; background: var(--bronze-d); border-color: var(--bronze-d); }
  .cursor.is-view .cursor__label { opacity: 1; }
  .cursor.is-view .cursor__dot { opacity: 0; }
}

/* ---------- Header ---------- */
.header { position: fixed; top: 0; left: 0; right: 0; z-index: 500; padding: 18px 0; color: #fff; transition: padding .4s var(--ease), background .4s, color .4s, transform .5s var(--ease), border-color .4s, box-shadow .4s; border-bottom: 1px solid transparent; }
.header.is-scrolled { padding: 10px 0; background: rgba(255,255,255,.9); backdrop-filter: blur(16px) saturate(1.4); border-color: var(--line); color: var(--ink); box-shadow: 0 10px 30px -20px rgba(11,42,69,.4); }
.header.is-hidden { transform: translateY(-100%); }
.header__inner { display: flex; align-items: center; gap: 28px; }
.brand { display: flex; align-items: center; gap: 12px; margin-right: auto; }
.brand img { width: 44px; height: auto; border-radius: 9px; }
.brand__text { font: 500 15px/1.15 var(--display); max-width: 230px; }
.brand__text strong { font-weight: 700; display: block; color: inherit; }
.brand__text small { display: block; margin-top: 2px; font: 600 11px/1.3 var(--font); color: var(--bronze); letter-spacing: .12em; text-transform: uppercase; }
.header.is-scrolled .brand__text small { color: var(--bronze-d); }
.nav { display: flex; gap: 26px; }
.nav a { font-size: 14.5px; opacity: .85; position: relative; padding: 6px 0; transition: opacity .3s; }
.nav a::after { content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 100%; background: var(--bronze); transform: scaleX(0); transform-origin: right; transition: transform .45s var(--ease); }
.nav a:hover, .nav a.is-active { opacity: 1; }
.nav a:hover::after, .nav a.is-active::after { transform: scaleX(1); transform-origin: left; }
.burger { display: none; width: 44px; height: 44px; position: relative; }
.burger span { position: absolute; left: 10px; right: 10px; height: 2px; background: currentColor; transition: transform .45s var(--ease), top .45s var(--ease); }
.burger span:first-child { top: 17px; } .burger span:last-child { top: 25px; }
.menu-open .header { color: #fff; background: transparent; box-shadow: none; border-color: transparent; backdrop-filter: none; }
.menu-open .burger span:first-child { top: 21px; transform: rotate(45deg); }
.menu-open .burger span:last-child { top: 21px; transform: rotate(-45deg); }
@media (max-width: 1180px) { .nav, .header__cta { display: none; } .burger { display: block; } }
@media (max-width: 1180px) {
  /* En móvil y tablet el encabezado y el botón del menú quedan fijos, sin moverse */
  .header, .header.is-scrolled { padding: 10px 0; transition: background .4s, color .4s, box-shadow .4s; }
  .header.is-hidden { transform: none; }
  .burger { flex-shrink: 0; }
}
@media (max-width: 480px) { .brand__text { font-size: 12.5px; max-width: 180px; } .brand__text small { font-size: 9.5px; } }

.mmenu {
  position: fixed; inset: 0; z-index: 450; background: var(--navy); color: #fff;
  display: flex; flex-direction: column; justify-content: center; padding: 100px 24px 40px;
  clip-path: circle(0% at calc(100% - 46px) 42px); transition: clip-path .8s var(--ease); visibility: hidden;
}
.menu-open .mmenu { clip-path: circle(150% at calc(100% - 46px) 42px); visibility: visible; }
.mmenu__nav { display: grid; gap: 4px; }
.mmenu__nav a { font: 600 clamp(28px, 8vw, 50px)/1.15 var(--display); letter-spacing: -.02em; display: flex; align-items: baseline; gap: 16px; opacity: 0; transform: translateY(30px); transition: opacity .5s, transform .6s var(--ease); }
.mmenu__nav a i { font: 400 13px/1 var(--font); font-style: normal; color: var(--bronze); }
.menu-open .mmenu__nav a { opacity: 1; transform: none; transition-delay: calc(.05s * var(--i, 1) + .2s); }
.mmenu__foot { margin-top: auto; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; color: #c9d3de; font-size: 14px; }

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 100svh; display: flex; flex-direction: column; justify-content: center; overflow: hidden; padding: 140px 0 40px; background: var(--navy); color: #fff; }
.hero__slides, .hero__slide, .hero__topo, .hero__shade { position: absolute; inset: 0; }
.hero__slide { background: center/cover no-repeat; opacity: 0; transform: scale(1.15); transition: opacity 1.6s ease, transform 8s linear; }
.hero__slide.is-active { opacity: 1; transform: scale(1.02); }
.hero__topo { width: 100%; height: 100%; opacity: .5; mix-blend-mode: screen; }
.hero__shade { background:
  linear-gradient(90deg, rgba(11,42,69,.92) 0%, rgba(11,42,69,.6) 50%, rgba(11,42,69,.15) 100%),
  linear-gradient(0deg, rgba(11,42,69,.85) 0%, transparent 40%); }
.hero__content { position: relative; z-index: 2; }
.hero__eyebrow { color: var(--bronze); }
.hero__title { font: 600 clamp(40px, 6.4vw, 96px)/1 var(--display); letter-spacing: -.035em; margin: 0 0 28px; max-width: 15ch; color: #fff; }
.hero__title em, .hero__title em .wi { background-image: linear-gradient(100deg, var(--bronze), var(--sky)); }
.hero__title em:has(.wi) { background: none; }
.hero__lead { max-width: 580px; font-size: clamp(16px, 1.3vw, 19px); color: #d5dde6; margin-bottom: 38px; }
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero__meta { position: relative; z-index: 2; margin-top: clamp(50px, 8vh, 100px); display: flex; gap: clamp(24px, 4vw, 60px); align-items: flex-end; border-top: 1px solid var(--line-l); padding-top: 26px; }
.hero__stat b { display: block; font: 600 clamp(24px, 2.4vw, 34px)/1 var(--display); }
.hero__stat span { font-size: 13px; color: #b9c5d2; }
.hero__caption { margin-left: auto; font-size: 13px; color: #d5dde6; text-align: right; overflow: hidden; }
.hero__caption-text { display: inline-block; }
.hero__caption-text::before { content: "◎ "; color: var(--bronze); }
.hero__caption-text.is-in { animation: capin .9s var(--ease); }
@keyframes capin { from { transform: translateY(100%); opacity: 0; } }
.hero__pager { display: flex; gap: 8px; }
.hero__pager button { width: 34px; height: 3px; background: rgba(255,255,255,.25); position: relative; overflow: hidden; padding: 0; }
.hero__pager button.is-active::after { content: ""; position: absolute; inset: 0; background: var(--bronze); animation: pager 6s linear forwards; transform-origin: left; }
@keyframes pager { from { transform: scaleX(0); } to { transform: scaleX(1); } }
.hero__scroll { position: absolute; z-index: 2; right: 32px; top: 50%; writing-mode: vertical-rl; font-size: 11px; letter-spacing: .3em; text-transform: uppercase; color: #b9c5d2; display: flex; align-items: center; gap: 14px; }
.hero__scroll span { width: 1px; height: 70px; background: rgba(255,255,255,.2); position: relative; overflow: hidden; }
.hero__scroll span::after { content: ""; position: absolute; left: 0; top: -40%; width: 100%; height: 40%; background: var(--bronze); animation: scrolldown 2s var(--ease) infinite; }
@keyframes scrolldown { to { top: 100%; } }
@media (max-width: 900px) {
  .hero__meta { flex-wrap: wrap; } .hero__stat:nth-child(3) { display: none; }
  .hero__caption { margin-left: 0; width: 100%; text-align: left; }
  .hero__scroll { display: none; }
}

/* ---------- Marquee ---------- */
.marquee { overflow: hidden; padding: 24px 0; background: var(--sand); }
.marquee__track { display: flex; width: max-content; gap: 30px; align-items: center; animation: marquee 45s linear infinite; }
.marquee__track span { font: 500 clamp(22px, 2.6vw, 34px)/1 var(--display); white-space: nowrap; color: transparent; -webkit-text-stroke: 1px var(--bronze-d); transition: color .3s; }
.marquee__track span:hover { color: var(--bronze-d); }
.marquee__track i { color: var(--blue); font-style: normal; font-size: 22px; }
.marquee:hover .marquee__track { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- About ---------- */
.about__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 7vw, 110px); align-items: center; }
.about__media { position: relative; aspect-ratio: 4/5; }
.about__img { margin: 0; overflow: hidden; border-radius: var(--radius); position: absolute; }
.about__img img { width: 100%; height: 100%; object-fit: cover; }
.about__img--main { inset: 0 18% 12% 0; }
.about__img--float { width: 52%; aspect-ratio: 1; right: 0; bottom: 0; border: 8px solid var(--cream); }
.about__badge { position: absolute; left: 0; bottom: 4%; width: 128px; height: 128px; border-radius: 50%; background: var(--bronze-d); color: #fff; display: grid; place-items: center; z-index: 2; box-shadow: 0 20px 40px -20px rgba(143,100,76,.8); }
.about__badge-ring { position: absolute; inset: 0; animation: spin 18s linear infinite; }
.about__badge-ring text { font: 600 9.4px var(--font); letter-spacing: .14em; fill: #fff; }
.about__badge b { font: 700 34px/1 var(--display); }
.about__badge sup { font-size: .5em; }
@keyframes spin { to { transform: rotate(360deg); } }
.checks { list-style: none; padding: 0; margin: 28px 0 36px; display: grid; grid-template-columns: 1fr 1fr; gap: 14px 24px; }
.checks li { position: relative; padding-left: 30px; font-size: 15px; color: var(--ink); }
.checks li::before { content: ""; position: absolute; left: 0; top: 3px; width: 20px; height: 20px; border-radius: 50%; background: rgba(0,123,90,.12) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23007b5a' stroke-width='3' stroke-linecap='round'%3E%3Cpath d='M6 12l4 4 8-8'/%3E%3C/svg%3E") center/12px no-repeat; }
@media (max-width: 900px) { .about__grid { grid-template-columns: 1fr; } .about__media { max-width: 520px; width: 100%; } }
@media (max-width: 520px) { .checks { grid-template-columns: 1fr; } .about__badge { width: 104px; height: 104px; } .about__badge b { font-size: 28px; } }

/* ---------- Stats ---------- */
.stats { position: relative; padding: clamp(80px, 10vw, 130px) 0; overflow: hidden; background: var(--navy); color: #fff; }
.stats__bg { position: absolute; inset: -20% 0; background: center/cover; opacity: .28; }
.stats::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(11,42,69,.85), rgba(11,42,69,.55), rgba(11,42,69,.9)); }
.stats .container { position: relative; z-index: 1; }
.stats__grid { display: grid; grid-template-columns: repeat(4, 1fr); row-gap: 50px; }
.stat { padding: 6px 24px; border-left: 1px solid var(--line-l); }
.stat b { display: block; font: 600 clamp(30px, 3.2vw, 48px)/1 var(--display); letter-spacing: -.03em; margin-bottom: 10px; background: linear-gradient(180deg, #fff, var(--sky)); -webkit-background-clip: text; background-clip: text; color: transparent; white-space: nowrap; }
.stat span { font-size: 14px; color: #c9d3de; display: block; max-width: 230px; }
@media (max-width: 1000px) { .stats__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .stat { padding: 6px 12px; } .stat b { font-size: 26px; } }

/* ---------- Model (Venn) ---------- */
.model { background: var(--paper); }
.model__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 90px); align-items: center; }
.venn { position: relative; aspect-ratio: 1; max-width: 540px; width: 100%; margin-inline: auto; }
.venn__c { position: absolute; width: 58%; aspect-ratio: 1; border-radius: 50%; display: grid; place-items: center; text-align: center; color: #fff; font: 600 clamp(15px, 1.6vw, 20px)/1.2 var(--display); mix-blend-mode: multiply; transition: scale .6s var(--ease); }
.venn__c span { position: relative; }
.venn__c--1 { top: 0; left: 21%; background: var(--bronze); }
.venn__c--2 { bottom: 4%; left: 0; background: var(--sky); }
.venn__c--3 { bottom: 4%; right: 0; background: var(--green); }
.venn__c--1 span { transform: translateY(-30%); }
.venn__c--2 span { transform: translate(-18%, 18%); color: var(--navy); }
.venn__c--3 span { transform: translate(18%, 18%); }
.venn__c:hover { scale: 1.04; }
.venn::after { content: ""; position: absolute; inset: -4%; border: 1.5px dotted var(--blue); border-radius: 50%; opacity: .55; animation: spin 60s linear infinite; pointer-events: none; }
.chips { list-style: none; padding: 0; margin: 0 0 26px; display: flex; flex-wrap: wrap; gap: 10px; }
.chips li { padding: 9px 16px; border: 1px solid var(--bronze); border-radius: 100px; color: var(--bronze-d); font-size: 14px; background: #fff; transition: background .3s, color .3s; }
.chips li:hover { background: var(--bronze); color: #fff; }
@media (max-width: 900px) { .model__grid { grid-template-columns: 1fr; } }

/* ---------- Tabs ---------- */
.transport { background: var(--cream); }
.urban { background: var(--paper); }
.tabs__list { display: flex; gap: 8px; overflow-x: auto; scrollbar-width: none; padding-bottom: 6px; margin-bottom: 30px; }
.tabs__list::-webkit-scrollbar { display: none; }
.tabs__list button { flex-shrink: 0; padding: 11px 20px; border-radius: 100px; border: 1px solid var(--line); font-size: 14.5px; font-weight: 500; color: var(--text); background: rgba(255,255,255,.6); transition: background .3s, color .3s, border-color .3s; }
.tabs__list button:hover { border-color: var(--bronze); color: var(--bronze-d); }
.tabs__list button[aria-selected="true"] { background: var(--blue-d); border-color: var(--blue-d); color: #fff; }
.tab { display: none; grid-template-columns: 1.15fr 1fr; gap: clamp(28px, 4vw, 60px); align-items: center; background: #fff; border-radius: 26px; padding: clamp(14px, 2vw, 22px); box-shadow: 0 30px 70px -45px rgba(11,42,69,.45); }
.urban .tab { background: var(--cream); box-shadow: none; }
.tab.is-active { display: grid; }
.tab__img { margin: 0; border-radius: 18px; overflow: hidden; aspect-ratio: 4/3; }
.tab__img img { width: 100%; height: 100%; object-fit: cover; }
.tab__body { padding: 10px clamp(6px, 2vw, 26px) 10px 0; }
.tab__body h3 { font: 600 clamp(24px, 2.4vw, 32px)/1.15 var(--display); color: var(--ink); margin: 0 0 14px; }
.tab__body h3::before { content: ""; display: block; width: 56px; height: 4px; background: var(--bronze); margin-bottom: 18px; border-radius: 2px; }
.kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 22px 0; }
.kpis div { padding: 14px; border-radius: 14px; background: var(--sand); }
.urban .kpis div { background: #fff; }
.kpis b { display: block; font: 600 19px/1.15 var(--display); color: var(--blue-d); }
.kpis span { font-size: 12.5px; color: var(--muted); line-height: 1.35; display: block; margin-top: 4px; }
.projects { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.projects li { position: relative; padding-left: 24px; font-size: 14.5px; color: var(--ink); }
.projects li::before { content: "◎"; position: absolute; left: 0; top: 0; color: var(--blue); }
@media (max-width: 900px) { .tab { grid-template-columns: 1fr; } .tab__body { padding: 4px 8px 12px; } }
@media (max-width: 480px) { .kpis { grid-template-columns: 1fr 1fr; } }

/* ---------- Cards (diversificados) ---------- */
.services { background: var(--cream); }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; perspective: 1200px; }
.card { background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: 0 1px 0 rgba(11,42,69,.05), 0 20px 50px -30px rgba(11,42,69,.35); transform-style: preserve-3d; transition: box-shadow .5s var(--ease); will-change: transform; }
.card:hover { box-shadow: 0 30px 70px -30px rgba(11,42,69,.5); }
.card__img { aspect-ratio: 16/10; overflow: hidden; }
.card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease); }
.card:hover .card__img img { transform: scale(1.08); }
.card__body { padding: 24px 26px 28px; position: relative; transform: translateZ(30px); }
.card__num { font: 600 12px/1.3 var(--font); letter-spacing: .12em; text-transform: uppercase; color: var(--bronze-d); }
.card h3 { font: 600 22px/1.2 var(--display); margin: 8px 0 10px; color: var(--ink); }
.card p { margin: 0; font-size: 15px; }
@media (max-width: 980px) { .cards { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .cards { grid-template-columns: 1fr; } }

/* ---------- Horizontal scroll ---------- */
.hscroll { background: var(--navy); color: #fff; }
.hscroll .h2 { color: #fff; }
.hscroll .h2 em { background-image: linear-gradient(100deg, var(--bronze), var(--sky)); }
.hscroll__pin { height: 100vh; display: flex; flex-direction: column; justify-content: center; overflow: hidden; padding: 90px 0 40px; }
.hscroll__head { margin-bottom: 36px; }
.hscroll__head .h2 { margin: 0; }
.hscroll__track { display: flex; gap: 28px; padding-left: max(24px, calc((100vw - var(--container)) / 2)); padding-right: 10vw; width: max-content; }
.panel { position: relative; width: clamp(300px, 46vw, 680px); height: min(58vh, 520px); border-radius: 24px; overflow: hidden; flex-shrink: 0; }
.panel img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.12); }
.panel::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(11,42,69,.95), rgba(11,42,69,.05) 62%); }
.panel__info { position: absolute; z-index: 1; left: 0; right: 0; bottom: 0; padding: clamp(22px, 3vw, 40px); }
.panel__info span { font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--bronze); }
.panel__info h3 { font: 600 clamp(22px, 2.4vw, 34px)/1.1 var(--display); margin: 10px 0; color: #fff; }
.panel__info p { color: #d0d9e3; max-width: 470px; margin: 0; font-size: 15px; }
@media (max-width: 860px) {
  .hscroll__pin { height: auto; padding: 90px 0; }
  .hscroll__track { flex-direction: column; width: auto; padding: 0 16px; }
  .panel { width: 100%; height: 440px; }
}

/* ---------- Process ---------- */
.process { background: var(--sand); }
.process__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 7vw, 110px); }
.process__sticky { position: sticky; top: 110px; align-self: start; }
.process__visual { position: relative; aspect-ratio: 4/3; border-radius: var(--radius); overflow: hidden; margin-top: 30px; }
.process__visual img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transform: scale(1.08); transition: opacity .8s var(--ease), transform 1.2s var(--ease); }
.process__visual img.is-active { opacity: 1; transform: none; }
.steps { list-style: none; margin: 0; padding: 0 0 0 34px; position: relative; }
.steps::before { content: ""; position: absolute; left: 0; top: 10px; bottom: 10px; width: 2px; background: rgba(143,100,76,.2); }
.steps::after { content: ""; position: absolute; left: 0; top: 10px; width: 2px; height: var(--prog, 0%); background: linear-gradient(var(--bronze), var(--blue)); max-height: calc(100% - 20px); }
.step { padding: 40px 0 60px; min-height: 40vh; opacity: .4; transition: opacity .5s; position: relative; }
.step::before { content: ""; position: absolute; left: -40px; top: 48px; width: 14px; height: 14px; border-radius: 50%; background: var(--sand); border: 2px solid var(--bronze); transition: background .4s, border-color .4s; }
.step.is-active { opacity: 1; }
.step.is-active::before { background: var(--blue-d); border-color: var(--blue-d); box-shadow: 0 0 0 6px rgba(3,110,184,.15); }
.step__n { font: 600 14px var(--display); color: var(--bronze-d); }
.step h3 { font: 600 clamp(26px, 2.6vw, 36px)/1.1 var(--display); margin: 8px 0 14px; color: var(--ink); }
.step p { max-width: 460px; }
@media (max-width: 900px) {
  .process__grid { grid-template-columns: 1fr; }
  .process__sticky { position: relative; top: 0; }
  .step { min-height: 0; opacity: 1; padding: 24px 0; }
}

/* ---------- Presence / map ---------- */
.presence { background: var(--navy); color: #c9d3de; }
.presence .h2 { color: #fff; }
.presence .h2 em { background-image: linear-gradient(100deg, var(--bronze), var(--sky)); }
.presence .h2 em:has(.wi) { background: none; }
.presence .h2 em .wi, .hscroll .h2 em .wi { background-image: linear-gradient(100deg, var(--bronze), var(--sky)); }
.hscroll .h2 em:has(.wi) { background: none; }
.map { border: 1px solid var(--line-l); border-radius: 28px; padding: clamp(14px, 3vw, 36px); background: radial-gradient(ellipse at 75% 30%, rgba(0,152,220,.22), transparent 60%), var(--navy-2); margin-bottom: 40px; }
.map__svg { width: 100%; height: auto; overflow: visible; }
.map__dot { fill: rgba(154,202,237,.35); }
.map__arcs path { stroke-dasharray: 1000; stroke-dashoffset: 1000; filter: drop-shadow(0 0 5px rgba(0,152,220,.6)); }
.pin circle:not(.pin__pulse) { fill: var(--sky); }
.pin--hub circle:not(.pin__pulse), .pin--peru circle:not(.pin__pulse) { fill: var(--bronze); }
.pin__pulse { fill: rgba(154,202,237,.25); transform-box: fill-box; transform-origin: center; animation: pulse 2.4s ease-out infinite; }
.pin--hub .pin__pulse, .pin--peru .pin__pulse { fill: rgba(201,157,133,.35); }
@keyframes pulse { from { transform: scale(.4); opacity: 1; } to { transform: scale(2.2); opacity: 0; } }
.pin text { font: 600 15px var(--display); fill: #fff; }
.pin--hub text, .pin--peru text { font-size: 17px; fill: var(--bronze); }
.intl { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.intl__item { border-radius: 20px; overflow: hidden; background: var(--navy-2); border: 1px solid var(--line-l); transition: translate .5s var(--ease), border-color .4s; }
.intl__item:hover { translate: 0 -6px; border-color: rgba(201,157,133,.5); }
.intl__item img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.intl__item > div { padding: 20px 22px 24px; }
.intl__item span { font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--bronze); }
.intl__item h3 { font: 600 19px/1.25 var(--display); color: #fff; margin: 8px 0; }
.intl__item p { font-size: 14.5px; margin: 0; }
@media (max-width: 980px) { .intl { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .intl { grid-template-columns: 1fr; } .pin text { font-size: 20px; } .pin--hub text, .pin--peru text { font-size: 22px; } }

/* ---------- Equipment ---------- */
.equip { background: var(--paper); }
.equip__grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: clamp(30px, 5vw, 70px); align-items: center; }
.equip__stats { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.equip__stats div { padding: 22px; border-radius: 18px; background: var(--cream); border-top: 4px solid var(--bronze); }
.equip__stats div:nth-child(2n) { border-top-color: var(--blue); }
.equip__stats b { display: block; font: 600 clamp(30px, 3vw, 42px)/1 var(--display); color: var(--ink); }
.equip__stats span { font-size: 13.5px; color: var(--muted); display: block; margin-top: 8px; }
.equip__imgs { display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr; gap: 14px; height: clamp(380px, 40vw, 520px); }
.equip__imgs figure { margin: 0; position: relative; border-radius: 18px; overflow: hidden; }
.equip__imgs figure:first-child { grid-row: span 2; }
.equip__imgs img { width: 100%; height: 100%; object-fit: cover; }
.equip__imgs figcaption { position: absolute; left: 12px; bottom: 12px; padding: 6px 12px; border-radius: 100px; background: rgba(255,255,255,.92); color: var(--ink); font-size: 13px; font-weight: 500; }
@media (max-width: 900px) { .equip__grid { grid-template-columns: 1fr; } }

/* ---------- Awards ---------- */
.values { background: var(--cream); }
.values__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.value { position: relative; padding: 32px 28px; border-radius: var(--radius); background: #fff; overflow: hidden; border: 1px solid var(--line); }
.glow::before { content: ""; position: absolute; inset: 0; background: radial-gradient(360px circle at var(--mx, 50%) var(--my, 50%), rgba(201,157,133,.22), transparent 60%); opacity: 0; transition: opacity .4s; pointer-events: none; }
.glow:hover::before { opacity: 1; }
.value__icon { width: 54px; height: 54px; border-radius: 16px; display: grid; place-items: center; background: linear-gradient(135deg, var(--bronze), var(--bronze-d)); margin-bottom: 22px; }
.value:nth-child(even) .value__icon { background: linear-gradient(135deg, var(--blue), var(--blue-d)); }
.value__icon svg { width: 26px; height: 26px; fill: none; stroke: #fff; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.value h3 { font: 600 19px/1.25 var(--display); margin: 0 0 8px; color: var(--ink); }
.value p { margin: 0; font-size: 14.5px; }
@media (max-width: 1000px) { .values__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .values__grid { grid-template-columns: 1fr; } }

/* ---------- Gallery ---------- */
.gallery { background: var(--paper); }
.masonry { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 230px; gap: 16px; grid-auto-flow: dense; }
.masonry__item { position: relative; overflow: hidden; border-radius: 14px; }
.masonry__item img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease); }
.masonry__item:hover img { transform: scale(1.08); }
.masonry__item span { position: absolute; left: 14px; bottom: 12px; font: 500 13.5px var(--display); color: #fff; background: rgba(11,42,69,.65); backdrop-filter: blur(8px); padding: 7px 14px; border-radius: 100px; transform: translateY(10px); opacity: 0; transition: .5s var(--ease); }
.masonry__item:hover span { transform: none; opacity: 1; }
.m-wide { grid-column: span 2; }
.m-tall { grid-row: span 2; }
@media (max-width: 900px) { .masonry { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 180px; } }
@media (max-width: 480px) { .masonry { grid-template-columns: 1fr; } .m-wide { grid-column: auto; } .masonry__item span { opacity: 1; transform: none; } }

/* ---------- CTA ---------- */
.cta { position: relative; overflow: hidden; padding: clamp(110px, 15vw, 190px) 0; text-align: center; color: #fff; background: var(--navy); }
.cta__bg { position: absolute; inset: -25% 0; background: center/cover; }
.cta::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(11,42,69,.85), rgba(11,42,69,.55), rgba(11,42,69,.92)); }
.cta__inner { position: relative; z-index: 1; display: grid; justify-items: center; }
.cta__title { font: 600 clamp(34px, 5.2vw, 74px)/1.04 var(--display); letter-spacing: -.03em; max-width: 17ch; margin: 0 0 22px; }
.cta p { color: #d5dde6; margin-bottom: 38px; max-width: 560px; }

/* ---------- Contact ---------- */
.contact { background: var(--cream); }
.contact__grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: clamp(40px, 7vw, 110px); }
.contact__list { list-style: none; padding: 0; margin: 36px 0 0; display: grid; gap: 22px; }
.contact__list li { display: flex; gap: 18px; align-items: flex-start; }
.contact__list svg { width: 46px; height: 46px; padding: 12px; flex-shrink: 0; border-radius: 14px; background: #fff; border: 1px solid var(--line); fill: none; stroke: var(--bronze-d); stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.contact__list small { display: block; font-size: 12px; text-transform: uppercase; letter-spacing: .12em; color: var(--muted); }
.contact__list a, .contact__list span { font-size: 17px; color: var(--ink); }
.contact__list a:hover { color: var(--blue-d); }
.form { background: #fff; border-radius: 26px; padding: clamp(24px, 4vw, 48px); display: grid; gap: 18px; align-self: start; box-shadow: 0 30px 70px -45px rgba(11,42,69,.45); }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 600px) { .form__row { grid-template-columns: 1fr; } }
.field { position: relative; display: block; }
.field input, .field textarea, .field select {
  width: 100%; padding: 26px 16px 10px; border-radius: 12px; border: 1px solid var(--line); background: var(--cream);
  color: var(--ink); font: 400 16px var(--font); outline: none; resize: vertical; transition: border-color .3s, background .3s; appearance: none;
}
.field--select::after { content: ""; position: absolute; right: 18px; top: 26px; width: 8px; height: 8px; border-right: 1.5px solid var(--muted); border-bottom: 1.5px solid var(--muted); transform: rotate(45deg); pointer-events: none; }
.field span { position: absolute; left: 17px; top: 18px; color: var(--muted); font-size: 15px; pointer-events: none; transition: .25s var(--ease); }
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--blue-d); background: #fff; }
.field input:focus + span, .field input:not(:placeholder-shown) + span,
.field textarea:focus + span, .field textarea:not(:placeholder-shown) + span,
.field select:focus + span, .field select:valid + span { top: 8px; font-size: 11.5px; letter-spacing: .06em; color: var(--blue-d); }
.field.is-invalid input, .field.is-invalid textarea, .field.is-invalid select { border-color: #d43c3c; }
.check { display: flex; gap: 12px; align-items: center; font-size: 14px; color: var(--muted); cursor: pointer; }
.check input { position: absolute; opacity: 0; }
.check i { width: 20px; height: 20px; border-radius: 6px; border: 1px solid rgba(76,73,72,.4); flex-shrink: 0; display: grid; place-items: center; transition: .25s; }
.check input:checked + i { background: var(--blue-d); border-color: var(--blue-d); }
.check input:checked + i::after { content: ""; width: 5px; height: 10px; border: solid #fff; border-width: 0 2px 2px 0; transform: rotate(45deg) translate(-1px, -1px); }
.check input:focus-visible + i { outline: 2px solid var(--blue); outline-offset: 2px; }
.check.is-invalid i { border-color: #d43c3c; }
.check a { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
.form__status { margin: 0; font-size: 14px; min-height: 1.4em; }
.form__status.ok { color: var(--green); }
.form__status.err { color: #c62f2f; }
@media (max-width: 900px) { .contact__grid { grid-template-columns: 1fr; } }

/* ---------- Footer ---------- */
.footer { background: var(--navy); color: #c9d3de; padding: 80px 0 30px; overflow: hidden; }
.footer__big { font: 700 clamp(48px, 11.5vw, 180px)/.85 var(--display); letter-spacing: -.05em; color: transparent; -webkit-text-stroke: 1px rgba(201,157,133,.4); white-space: nowrap; margin-bottom: 60px; text-align: center; }
.footer__grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 50px; border-bottom: 1px solid var(--line-l); }
.footer__grid h4 { font: 600 13px var(--font); text-transform: uppercase; letter-spacing: .14em; color: var(--bronze); margin: 0 0 18px; }
.footer__grid a, .footer__grid span { display: block; padding: 5px 0; font-size: 15px; color: #c9d3de; transition: color .3s, transform .3s; }
.footer__grid a:hover { color: #fff; transform: translateX(4px); }
.footer__brand img { border-radius: 12px; margin-bottom: 18px; }
.footer__brand p { color: #fff; }
.footer__brand .footer__small { color: #9fb0c4; font-size: 13.5px; }
.footer__bottom { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding-top: 28px; font-size: 13.5px; color: #9fb0c4; }
.totop { width: 52px; height: 52px; border-radius: 50%; border: 1px solid var(--line-l); display: grid; place-items: center; flex-shrink: 0; transition: background .3s, border-color .3s; }
.totop:hover { background: var(--bronze-d); border-color: var(--bronze-d); }
.totop svg { width: 20px; height: 20px; fill: none; stroke: #fff; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
@media (max-width: 860px) { .footer__grid { grid-template-columns: 1fr 1fr; } .footer__brand { grid-column: 1 / -1; } }

/* ---------- Lightbox / Modal ---------- */
.lightbox, .modal { position: fixed; inset: 0; z-index: 800; display: grid; place-items: center; background: rgba(7,24,40,.92); backdrop-filter: blur(10px); opacity: 0; visibility: hidden; transition: opacity .4s, visibility .4s; padding: 20px; color: #fff; }
.lightbox.is-open, .modal.is-open { opacity: 1; visibility: visible; }
.lightbox figure { margin: 0; max-width: min(1200px, 100%); transform: scale(.94); transition: transform .5s var(--ease); }
.lightbox.is-open figure { transform: none; }
.lightbox img { max-height: 80vh; border-radius: 12px; margin: auto; }
.lightbox figcaption { text-align: center; color: #c9d3de; margin-top: 14px; }
.lightbox__close, .modal__close { position: absolute; top: 20px; right: 20px; width: 48px; height: 48px; border-radius: 50%; border: 1px solid var(--line-l); font-size: 18px; color: #fff; }
.lightbox__nav { position: absolute; top: 50%; transform: translateY(-50%); width: 54px; height: 54px; border-radius: 50%; border: 1px solid var(--line-l); font-size: 30px; line-height: 1; background: rgba(11,42,69,.6); color: #fff; }
.lightbox__prev { left: 20px; } .lightbox__next { right: 20px; }
.modal__box { position: relative; background: #fff; color: var(--text); border-radius: 22px; padding: 44px 40px 34px; max-width: 620px; width: 100%; max-height: 85vh; overflow: auto; }
.modal__box .modal__close { top: 14px; right: 14px; width: 40px; height: 40px; color: var(--ink); border-color: var(--line); }
.modal__box h3 { font: 600 28px var(--display); margin: 0 0 18px; color: var(--ink); }
.modal__box h3::before { content: ""; display: block; width: 48px; height: 4px; background: var(--bronze); margin-bottom: 16px; }

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .grain { display: none; }
}