/* =========================================================
   CAMARQ Proyectos — hoja de estilos
   Paleta (BrandBoard 2.1): naranja #e25625 · negro #1a1b1a
   gris #808080 · gris claro #e3e4e3 · blanco #ffffff
   Tipografía: títulos condensados semibold (Acumin SemiCondensed
   en la marca; aquí Barlow Semi Condensed), cuerpo Gadugi / Barlow.
   ========================================================= */

:root {
  --orange: #e25625;
  --orange-dark: #c4461a;
  --black: #1a1b1a;
  --ink: #2a2b2a;
  --gray: #808080;
  --gray-light: #e3e4e3;
  --gray-soft: #f3f3f2;
  --white: #ffffff;

  --font-head: "Barlow Semi Condensed", "Acumin Variable Concept", "Arial Narrow", sans-serif;
  --font-body: Gadugi, "Barlow", "Segoe UI", Helvetica, Arial, sans-serif;

  --container: 1200px;
  --radius: 6px;
  --shadow: 0 10px 30px rgba(26, 27, 26, 0.12);
  --ease: cubic-bezier(.2, .7, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--white);
}
body.nav-open, body.lb-open { overflow: hidden; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3 { font-family: var(--font-head); font-weight: 600; line-height: 1.05; margin: 0 0 .5em; color: var(--black); letter-spacing: .01em; }
h1 { font-size: clamp(2.6rem, 6vw, 5rem); text-transform: uppercase; }
h2 { font-size: clamp(1.9rem, 3.6vw, 2.8rem); max-width: 22ch; }
h3 { font-size: 1.35rem; }
p { margin: 0 0 1em; }

.container { width: min(100% - 32px, var(--container)); margin-inline: auto; }
.section { padding: clamp(64px, 9vw, 120px) 0; }
.section-dark { background: var(--black); color: #cfcfcf; }
.section-dark h2, .section-dark h3 { color: var(--white); }
.section-light { background: var(--gray-soft); }

.eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--font-head); font-weight: 600; font-size: .9rem;
  letter-spacing: .22em; text-transform: uppercase; color: var(--orange);
  margin-bottom: 14px;
}
.eyebrow::before { content: ""; width: 34px; height: 3px; background: var(--orange); }

/* ---------- Botones */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 28px; background: var(--orange); color: var(--white);
  font-family: var(--font-head); font-weight: 600; font-size: 1rem;
  letter-spacing: .08em; text-transform: uppercase; border: 2px solid var(--orange);
  border-radius: var(--radius); cursor: pointer; transition: all .25s var(--ease);
}
.btn:hover { background: var(--orange-dark); border-color: var(--orange-dark); transform: translateY(-2px); }
.btn-outline { background: transparent; color: var(--white); border-color: rgba(255,255,255,.7); }
.btn-outline:hover { background: var(--white); color: var(--black); border-color: var(--white); }
.btn-sm { padding: 9px 18px; font-size: .85rem; }
.btn-whatsapp { background: #25d366; border-color: #25d366; margin-top: 28px; }
.btn-whatsapp:hover { background: #1fb457; border-color: #1fb457; }
.btn-whatsapp svg { width: 22px; height: 22px; }

/* ---------- Header */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  background: linear-gradient(to bottom, rgba(26,27,26,.85), rgba(26,27,26,0));
  transition: background .3s var(--ease), box-shadow .3s var(--ease);
}
.site-header.is-scrolled { background: rgba(26,27,26,.96); box-shadow: 0 2px 20px rgba(0,0,0,.3); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 78px; }
.brand img { height: 38px; width: auto; }
.site-nav { display: flex; align-items: center; gap: 30px; }
.site-nav a {
  color: var(--white); font-family: var(--font-head); font-weight: 600;
  font-size: 1rem; letter-spacing: .1em; text-transform: uppercase;
  position: relative; padding: 6px 0;
}
.site-nav a:not(.btn)::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 0;
  background: var(--orange); transition: width .25s var(--ease);
}
.site-nav a:not(.btn):hover::after { width: 100%; }
.nav-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.nav-toggle span { display: block; width: 26px; height: 3px; background: var(--white); margin: 5px 0; transition: .25s; }

/* ---------- Hero */
.hero { position: relative; min-height: min(100vh, 880px); display: flex; align-items: center; color: var(--white); overflow: hidden; }
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; object-position: center 40%; }
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(26,27,26,.9) 0%, rgba(26,27,26,.65) 50%, rgba(26,27,26,.25) 100%);
}
.hero-content { position: relative; z-index: 1; padding: 140px 0 100px; max-width: 760px; }
.hero h1 { color: var(--white); margin-bottom: 24px; }
.hero h1 span { color: var(--orange); }
.hero .lead { font-size: 1.2rem; max-width: 56ch; color: #e6e6e6; margin-bottom: 36px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.scroll-hint {
  position: absolute; left: 50%; bottom: 28px; z-index: 1; width: 26px; height: 42px;
  border: 2px solid rgba(255,255,255,.6); border-radius: 14px; transform: translateX(-50%);
}
.scroll-hint::after {
  content: ""; position: absolute; left: 50%; top: 8px; width: 4px; height: 8px; margin-left: -2px;
  background: var(--orange); border-radius: 2px; animation: scrollhint 1.8s infinite;
}
@keyframes scrollhint { 0% { transform: translateY(0); opacity: 1; } 100% { transform: translateY(16px); opacity: 0; } }

/* ---------- Números */
.stats { background: var(--orange); color: var(--white); }
.stats-grid { display: grid; grid-template-columns: repeat(5, 1fr); }
.stat { padding: 36px 24px; border-left: 1px solid rgba(255,255,255,.25); }
.stat:first-child { border-left: 0; }
.stat strong { display: block; font-family: var(--font-head); font-weight: 700; font-size: clamp(1.8rem, 2.6vw, 2.4rem); line-height: 1; margin-bottom: 10px; }
.stat strong small { font-size: .55em; font-weight: 600; margin-left: 4px; }
.stat span { font-size: .92rem; line-height: 1.4; opacity: .95; display: block; }

/* ---------- Nosotros */
.about-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(40px, 6vw, 90px); align-items: center; }
.about-text > p { font-size: 1.08rem; color: #444; }
.about-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; margin: 32px 0; padding: 28px 0; border-top: 1px solid var(--gray-light); border-bottom: 1px solid var(--gray-light); }
.about-cols h3 { color: var(--orange); font-size: 1.05rem; letter-spacing: .18em; text-transform: uppercase; margin-bottom: 8px; }
.about-cols p { margin: 0; color: #444; }
.values li { position: relative; padding-left: 26px; margin-bottom: 10px; color: #444; }
.values li::before { content: ""; position: absolute; left: 0; top: .55em; width: 12px; height: 12px; background: var(--orange); }
.values strong { color: var(--black); }
.about-media { position: relative; padding-bottom: 60px; padding-right: 60px; }
.about-img-main { margin: 0; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.about-img-main img { aspect-ratio: 4 / 3; object-fit: cover; width: 100%; }
.about-img-small {
  position: absolute; right: 0; bottom: 0; width: 55%; margin: 0;
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); border: 8px solid var(--white);
}
.about-img-small img { aspect-ratio: 16 / 10; object-fit: cover; width: 100%; }
.about-media::before { content: ""; position: absolute; top: -22px; left: -22px; width: 120px; height: 120px; background: var(--orange); z-index: -1; }

/* ---------- Servicios */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 48px; }
.service {
  background: #222322; border: 1px solid #333; border-top: 4px solid var(--orange);
  padding: 36px 30px; border-radius: var(--radius); transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.service:hover { transform: translateY(-6px); box-shadow: 0 20px 40px rgba(0,0,0,.4); }
.service-icon { width: 56px; height: 56px; color: var(--orange); margin-bottom: 22px; }
.service-icon svg { width: 100%; height: 100%; }
.service h3 { font-size: 1.5rem; margin-bottom: 18px; }
.service ul:not(.tags) li { position: relative; padding-left: 20px; margin-bottom: 8px; color: #d8d8d8; }
.service ul:not(.tags) li::before { content: ""; position: absolute; left: 0; top: .6em; width: 8px; height: 8px; background: var(--orange); }
.service-note { margin-top: 22px; padding-top: 18px; border-top: 1px solid #3a3a3a; font-size: .92rem; color: var(--gray); }
.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tags li { font-size: .82rem; padding: 6px 12px; border: 1px solid #4a4a4a; border-radius: 999px; color: #d8d8d8; }

/* ---------- Proceso */
.process-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 36px 40px; margin-top: 48px; counter-reset: step; }
.process-steps li { position: relative; padding-top: 22px; border-top: 2px solid var(--gray-light); }
.process-steps li::before { content: ""; position: absolute; top: -2px; left: 0; width: 60px; height: 2px; background: var(--orange); }
.process-steps span { display: block; font-family: var(--font-head); font-weight: 700; font-size: 2.2rem; color: var(--orange); line-height: 1; margin-bottom: 10px; }
.process-steps h3 { font-size: 1.3rem; margin-bottom: 6px; }
.process-steps p { color: #555; margin: 0; }

/* ---------- Proyectos */
.section-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 32px; flex-wrap: wrap; margin-bottom: 40px; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; }
.filters button {
  background: transparent; border: 1px solid #c9c9c9; border-radius: 999px; padding: 8px 16px;
  font-family: var(--font-head); font-weight: 600; font-size: .9rem; letter-spacing: .08em; text-transform: uppercase;
  color: var(--ink); cursor: pointer; transition: all .2s var(--ease);
}
.filters button:hover { border-color: var(--black); }
.filters button.is-active { background: var(--black); border-color: var(--black); color: var(--white); }
.projects-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.project { background: var(--white); border-radius: var(--radius); overflow: hidden; box-shadow: 0 2px 10px rgba(0,0,0,.06); cursor: pointer; transition: transform .3s var(--ease), box-shadow .3s var(--ease); }
.project:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.project.is-hidden { display: none; }
.project-media { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: var(--gray-light); }
.project-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.project:hover .project-media img { transform: scale(1.06); }
.project-count { position: absolute; right: 12px; bottom: 12px; background: rgba(26,27,26,.8); color: var(--white); font-size: .75rem; padding: 4px 10px; border-radius: 999px; letter-spacing: .05em; }
.project-body { padding: 20px 22px 24px; }
.project-label { display: block; font-family: var(--font-head); font-weight: 600; font-size: .78rem; letter-spacing: .16em; text-transform: uppercase; color: var(--orange); margin-bottom: 6px; }
.project-body h3 { font-size: 1.35rem; margin-bottom: 8px; }
.project-body p { font-size: .95rem; color: #555; margin: 0; }

/* ---------- Clientes */
.clients-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; margin-top: 40px; }
.clients-grid li {
  display: flex; align-items: center; justify-content: center; text-align: center; min-height: 72px; padding: 12px 10px;
  border: 1px solid var(--gray-light); border-radius: var(--radius); background: var(--white);
  font-family: var(--font-head); font-weight: 600; font-size: 1.05rem; letter-spacing: .06em; text-transform: uppercase; color: var(--gray);
  transition: all .25s var(--ease);
}
.clients-grid li:hover { color: var(--black); border-color: var(--orange); }

/* ---------- CTA */
.cta { position: relative; padding: clamp(80px, 10vw, 130px) 0; color: var(--white); text-align: center; overflow: hidden; }
.cta-bg { position: absolute; inset: 0; }
.cta-bg img { width: 100%; height: 100%; object-fit: cover; }
.cta-bg::after { content: ""; position: absolute; inset: 0; background: rgba(26,27,26,.78); }
.cta-content { position: relative; max-width: 720px; }
.cta h2 { color: var(--white); margin-inline: auto; }
.cta p { font-size: 1.15rem; color: #ddd; margin-bottom: 28px; }

/* ---------- Contacto */
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(40px, 6vw, 90px); }
.contact-list li { display: flex; gap: 16px; align-items: flex-start; margin-bottom: 22px; }
.ci { flex: 0 0 44px; width: 44px; height: 44px; display: grid; place-items: center; border-radius: 50%; background: var(--orange); color: var(--white); }
.ci svg { width: 20px; height: 20px; }
.contact-list small { display: block; font-family: var(--font-head); font-weight: 600; font-size: .78rem; letter-spacing: .16em; text-transform: uppercase; color: var(--gray); }
.contact-list a, .contact-list div > span { font-size: 1.1rem; color: var(--black); }
.contact-list a:hover { color: var(--orange); }
.contact-form { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; background: var(--gray-soft); padding: 32px; border-radius: var(--radius); align-self: start; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field-full { grid-column: 1 / -1; }
.field label { font-family: var(--font-head); font-weight: 600; font-size: .82rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ink); }
.field input, .field select, .field textarea {
  font: inherit; padding: 12px 14px; border: 1px solid #cfcfcf; border-radius: var(--radius); background: var(--white); color: var(--ink);
  transition: border-color .2s;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--orange); box-shadow: 0 0 0 3px rgba(226,86,38,.15); }
.field textarea { resize: vertical; }
.form-hint { font-size: .9rem; color: var(--gray); margin: 12px 0 0; min-height: 1.4em; }
.form-hint.is-ok { color: #1f8f4e; font-weight: 600; }
.form-hint.is-error { color: #c0392b; font-weight: 600; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.btn[disabled] { opacity: .6; cursor: wait; transform: none; }

/* ---------- Footer */
.site-footer { background: var(--black); color: #bdbdbd; padding: 64px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid #333; }
.footer-brand img { height: 90px; width: auto; margin-bottom: 18px; }
.footer-brand p { font-size: .9rem; letter-spacing: .08em; text-transform: uppercase; color: var(--gray); }
.footer-nav, .footer-contact { display: flex; flex-direction: column; gap: 10px; }
.footer-nav a { font-family: var(--font-head); font-weight: 600; letter-spacing: .1em; text-transform: uppercase; font-size: .95rem; color: #ddd; }
.footer-nav a:hover, .footer-contact a:hover { color: var(--orange); }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; padding-top: 22px; font-size: .85rem; color: var(--gray); }

/* ---------- Lightbox */
.lightbox { position: fixed; inset: 0; z-index: 100; background: rgba(15,15,15,.95); display: none; align-items: center; justify-content: center; padding: 60px 70px; }
.lightbox.is-open { display: flex; }
.lb-figure { margin: 0; max-width: 1400px; max-height: 100%; display: flex; flex-direction: column; align-items: center; }
.lb-figure img { max-width: 100%; max-height: calc(100vh - 170px); object-fit: contain; border-radius: 4px; box-shadow: 0 30px 80px rgba(0,0,0,.6); }
.lb-figure figcaption { color: var(--white); text-align: center; margin-top: 18px; display: flex; flex-direction: column; gap: 2px; }
.lb-figure figcaption strong { font-family: var(--font-head); font-size: 1.4rem; font-weight: 600; }
.lb-figure figcaption span { color: #aaa; font-size: .9rem; letter-spacing: .08em; text-transform: uppercase; }
.lb-count { color: var(--orange) !important; }
.lightbox button { position: absolute; background: none; border: 0; color: var(--white); cursor: pointer; font-size: 3rem; line-height: 1; padding: 10px 18px; opacity: .8; transition: opacity .2s; }
.lightbox button:hover { opacity: 1; color: var(--orange); }
.lb-close { top: 16px; right: 20px; }
.lb-prev { left: 10px; top: 50%; transform: translateY(-50%); font-size: 4rem !important; }
.lb-next { right: 10px; top: 50%; transform: translateY(-50%); font-size: 4rem !important; }

/* ---------- Animaciones */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in-view { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } }

/* ---------- Responsive */
@media (max-width: 1100px) {
  .stats-grid { grid-template-columns: repeat(3, 1fr); }
  .stat { border-left: 0; border-top: 1px solid rgba(255,255,255,.25); }
  .stat:nth-child(-n+3) { border-top: 0; }
  .services-grid, .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .clients-grid { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .site-nav {
    position: fixed; inset: 78px 0 0 0; background: rgba(26,27,26,.98); flex-direction: column; justify-content: center; gap: 28px;
    transform: translateX(100%); transition: transform .3s var(--ease);
  }
  .site-nav.is-open { transform: none; }
  .site-nav a { font-size: 1.4rem; }
  .site-header.is-scrolled, .site-header { background: rgba(26,27,26,.96); }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .about-media { order: -1; }
  .footer-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr 1fr; }
  .lightbox { padding: 60px 10px; }
  .lb-prev, .lb-next { font-size: 3rem !important; padding: 10px 8px; }
}
@media (max-width: 600px) {
  body { font-size: 16px; }
  .hero-content { padding: 120px 0 90px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat:nth-child(-n+3) { border-top: 1px solid rgba(255,255,255,.25); }
  .stat:nth-child(-n+2) { border-top: 0; }
  .stat:last-child { grid-column: 1 / -1; }
  .about-cols, .services-grid, .projects-grid, .process-steps, .contact-form { grid-template-columns: 1fr; }
  .clients-grid { grid-template-columns: 1fr 1fr; }
  .about-media { padding-right: 30px; padding-bottom: 40px; }
  .about-img-small { width: 60%; border-width: 5px; }
  .contact-form { padding: 22px; }
}