/* =========================================================
   Constructora Pacífico — obra civil, comercial e industrial
   Estilo: industrial contundente · negro, amarillo seguridad,
   gris concreto · Barlow Condensed + Barlow
   ========================================================= */

:root {
  --black: #111111;
  --black-soft: #1C1C1C;
  --yellow: #F5C400;
  --yellow-dark: #D9AD00;
  --concrete: #B8BCC2;
  --concrete-light: #E6E8EB;
  --concrete-pale: #F4F5F6;
  --white: #FFFFFF;
  --ink: #16181A;
  --muted: #5B6168;
  --display: "Barlow Condensed", "Arial Narrow", sans-serif;
  --sans: "Barlow", system-ui, sans-serif;
  --container: 1220px;
  --radius: 4px;
  --shadow: 0 24px 50px -24px rgba(0, 0, 0, .45);
  --ease: cubic-bezier(.2, .7, .2, 1);
  --stripes: repeating-linear-gradient(135deg, var(--yellow) 0 14px, var(--black) 14px 28px);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; margin: 0; padding: 0; }
h1, h2, h3 { font-family: var(--display); font-weight: 700; line-height: 1.02; margin: 0 0 .5em; color: var(--black); text-transform: uppercase; letter-spacing: .01em; }
h1 { font-size: clamp(2.8rem, 6.5vw, 5.4rem); font-weight: 800; }
h2 { font-size: clamp(2.1rem, 4.4vw, 3.6rem); }
h3 { font-size: 1.5rem; }
p { margin: 0 0 1.1em; }
.mark { background: var(--yellow); color: var(--black); padding: 0 .18em; box-decoration-break: clone; -webkit-box-decoration-break: clone; }
.container { width: min(100% - 2.5rem, var(--container)); margin-inline: auto; }
.section { padding: clamp(4rem, 8vw, 7rem) 0; }

.skip-link { position: absolute; left: -999px; top: 0; background: var(--yellow); color: var(--black); padding: .6rem 1rem; z-index: 999; font-weight: 600; }
.skip-link:focus { left: 1rem; top: 1rem; }
:focus-visible { outline: 3px solid var(--yellow); outline-offset: 3px; }

/* Iconos: trazo grueso, terminaciones cuadradas */
.ic { width: 1.25em; height: 1.25em; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: square; stroke-linejoin: miter; flex-shrink: 0; vertical-align: -.25em; }

.eyebrow { display: inline-flex; align-items: center; gap: .6rem; font-family: var(--display); font-size: .95rem; font-weight: 600; letter-spacing: .2em; text-transform: uppercase; color: var(--black); margin-bottom: .9rem; }
.eyebrow::before { content: ""; width: 28px; height: 4px; background: var(--yellow); }
.eyebrow--yellow { color: var(--yellow); }

/* Franjas diagonales decorativas */
.stripes { height: 14px; background: var(--stripes); }
.stripes--top { position: absolute; top: 0; left: 0; right: 0; }
.stripes--hero { position: absolute; bottom: 0; left: 0; right: 0; height: 18px; z-index: 2; }

/* Botones */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
  padding: 1rem 1.9rem; border-radius: var(--radius); font-family: var(--display); font-weight: 700; font-size: 1.05rem;
  letter-spacing: .08em; text-transform: uppercase; border: 2px solid transparent; cursor: pointer;
  transition: transform .25s var(--ease), background .25s, color .25s, border-color .25s, box-shadow .25s;
}
.btn:hover { transform: translateY(-2px); }
.btn--yellow { background: var(--yellow); color: var(--black); box-shadow: 0 12px 24px -14px rgba(245,196,0,.9); }
.btn--yellow:hover { background: var(--yellow-dark); }
.btn--dark { background: var(--black); color: var(--white); }
.btn--dark:hover { background: var(--yellow); color: var(--black); }
.btn--outline { border-color: var(--white); color: var(--white); background: transparent; }
.btn--outline:hover { background: var(--white); color: var(--black); }
.btn--block { width: 100%; }

/* Topbar */
.topbar { background: var(--black); color: var(--concrete); font-size: .82rem; border-bottom: 1px solid #2a2a2a; }
.topbar__inner { display: flex; justify-content: space-between; align-items: center; min-height: 38px; gap: 1rem; }
.topbar__info { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.topbar__info li { display: inline-flex; align-items: center; gap: .45rem; }
.topbar__info .ic, .topbar__phone .ic { color: var(--yellow); }
.topbar__phone { display: inline-flex; align-items: center; gap: .45rem; font-weight: 600; color: var(--white); white-space: nowrap; }
.topbar__phone:hover { color: var(--yellow); }
@media (max-width: 720px) { .topbar__hide { display: none; } }

/* Header */
.header { position: sticky; top: 0; z-index: 100; background: var(--black); color: var(--white); border-bottom: 4px solid var(--yellow); }
.header__inner { display: flex; align-items: center; justify-content: space-between; min-height: 82px; gap: 1rem; }
.header.is-scrolled .header__inner { min-height: 68px; }
.logo { display: inline-flex; align-items: center; gap: .75rem; position: relative; z-index: 101; }
.logo__mark { width: 42px; height: 42px; flex-shrink: 0; }
.logo__text { font-family: var(--display); font-size: 1.45rem; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; line-height: 1; }
.logo__text b { color: var(--yellow); font-weight: 800; }
.nav ul { display: flex; gap: 1.6rem; align-items: center; }
.nav a { white-space: nowrap; font-family: var(--display); font-size: 1.02rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; position: relative; padding: .4rem 0; }
.nav a::after { content: ""; position: absolute; left: 0; bottom: 0; height: 3px; width: 0; background: var(--yellow); transition: width .3s var(--ease); }
.nav a:hover::after, .nav a.is-active::after { width: 100%; }
.nav__cta { background: var(--yellow); color: var(--black); padding: .55rem 1.1rem !important; border-radius: var(--radius); }
.nav__cta::after { display: none; }
.nav__cta:hover { background: var(--yellow-dark); }
.burger { display: none; background: none; border: 0; width: 46px; height: 46px; flex-direction: column; justify-content: center; gap: 6px; cursor: pointer; padding: 8px; position: relative; z-index: 101; }
.burger span { display: block; height: 3px; background: var(--yellow); transition: transform .3s, opacity .3s; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

@media (max-width: 1080px) {
  .burger { display: flex; }
  .nav { position: fixed; inset: 0 0 0 auto; width: min(85vw, 380px); background: var(--black-soft); border-left: 6px solid var(--yellow); padding: 7rem 2rem 2rem; transform: translateX(100%); transition: transform .4s var(--ease); z-index: 90; overflow-y: auto; }
  .nav.is-open { transform: translateX(0); box-shadow: -20px 0 60px rgba(0,0,0,.5); }
  .nav ul { flex-direction: column; align-items: flex-start; gap: 1.2rem; }
  .nav a { font-size: 1.3rem; }
}

/* Hero */
.hero { position: relative; min-height: min(92vh, 880px); display: grid; align-items: center; overflow: hidden; color: var(--white); }
.hero__img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; animation: heroZoom 16s var(--ease) forwards; }
@keyframes heroZoom { from { transform: scale(1.07); } to { transform: scale(1); } }
.hero__overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(17,17,17,.92) 0%, rgba(17,17,17,.72) 45%, rgba(17,17,17,.3) 100%); }
.hero__content { position: relative; z-index: 1; max-width: 820px; padding: 6rem 0 7rem; }
.hero h1 { color: var(--white); margin-bottom: 1.2rem; }
.hero__sub { font-size: 1.1rem; max-width: 620px; margin-bottom: 2.2rem; color: var(--concrete-light); }
.hero__actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 2.2rem; }
.hero__tags { display: flex; flex-wrap: wrap; gap: .5rem; }
.hero__tags li { font-family: var(--display); font-size: .9rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; padding: .3rem .75rem; border: 1.5px solid rgba(255,255,255,.4); color: var(--concrete-light); }

/* Cifras */
.stats { background: var(--yellow); color: var(--black); padding: 2.5rem 0; }
.stats__grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1.5rem; }
.stat { border-left: 3px solid var(--black); padding-left: 1rem; }
.stat__num { display: block; font-family: var(--display); font-size: clamp(2.4rem, 4vw, 3.6rem); font-weight: 800; line-height: 1; }
.stat__label { display: block; font-size: .82rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; margin-top: .35rem; }
@media (max-width: 960px) { .stats__grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 560px) { .stats__grid { grid-template-columns: 1fr 1fr; } }

/* Encabezados de sección */
.section__head { max-width: 780px; margin-bottom: 3.2rem; }
.section__head p:not(.eyebrow) { color: var(--muted); font-size: 1.05rem; }
.section__head--light h2 { color: var(--white); }
.section__head--light p:not(.eyebrow) { color: var(--concrete); }

/* Servicios */
.servicios { background: var(--concrete-pale); }
.serv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.serv { background: var(--white); border: 1px solid var(--concrete-light); border-top: 5px solid var(--black); padding: 2rem 1.8rem 1.8rem; position: relative; transition: transform .35s var(--ease), box-shadow .35s, border-color .35s; }
.serv:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-top-color: var(--yellow); }
.serv__icon { width: 60px; height: 60px; background: var(--black); color: var(--yellow); display: grid; place-items: center; margin-bottom: 1.2rem; }
.serv__icon .ic { width: 30px; height: 30px; }
.serv h3 { font-size: 1.55rem; margin-bottom: .4rem; }
.serv p { color: var(--muted); font-size: .96rem; margin-bottom: 1rem; }
.serv__meta { display: block; font-family: var(--display); font-size: .85rem; letter-spacing: .12em; text-transform: uppercase; color: var(--black); font-weight: 600; border-top: 1px dashed var(--concrete); padding-top: .8rem; }
@media (max-width: 960px) { .serv-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .serv-grid { grid-template-columns: 1fr; } }

/* Proyectos */
.proyectos { background: var(--black); color: var(--white); position: relative; }
.proj-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.proj { background: var(--black-soft); border: 1px solid #2a2a2a; overflow: hidden; transition: transform .35s var(--ease), border-color .35s; }
.proj:hover { transform: translateY(-6px); border-color: var(--yellow); }
.proj img { aspect-ratio: 4/3; object-fit: cover; width: 100%; filter: saturate(.85); transition: transform .8s var(--ease); }
.proj:hover img { transform: scale(1.05); }
.proj__body { padding: 1.4rem 1.5rem 1.6rem; }
.proj__type { display: inline-block; font-family: var(--display); font-size: .8rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; background: var(--yellow); color: var(--black); padding: .15rem .6rem; margin-bottom: .7rem; }
.proj h3 { color: var(--white); font-size: 1.45rem; margin-bottom: .9rem; }
.proj__data { display: grid; grid-template-columns: repeat(3, 1fr); gap: .5rem; margin: 0; border-top: 1px solid #2f2f2f; padding-top: .9rem; }
.proj__data dt { font-size: .7rem; letter-spacing: .12em; text-transform: uppercase; color: var(--concrete); }
.proj__data dd { margin: 0; font-family: var(--display); font-size: 1.25rem; font-weight: 700; color: var(--yellow); }
@media (max-width: 960px) { .proj-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .proj-grid { grid-template-columns: 1fr; } }

/* Proceso */
.proceso__grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 4rem; align-items: start; }
.proceso__intro { position: sticky; top: 110px; }
.proceso__intro p:not(.eyebrow) { color: var(--muted); margin-bottom: 1.8rem; }
.steps { display: grid; gap: 0; border-left: 4px solid var(--black); }
.step { display: grid; grid-template-columns: 90px 1fr; gap: 1.2rem; padding: 1.6rem 0 1.6rem 1.6rem; border-bottom: 1px solid var(--concrete-light); position: relative; }
.step::before { content: ""; position: absolute; left: -12px; top: 2rem; width: 20px; height: 20px; background: var(--yellow); border: 4px solid var(--white); outline: 2px solid var(--black); }
.step__num { font-family: var(--display); font-size: 3rem; font-weight: 800; line-height: 1; color: var(--concrete); }
.step h3 { font-size: 1.4rem; margin-bottom: .3rem; }
.step p { color: var(--muted); margin: 0; font-size: .96rem; }
@media (max-width: 900px) {
  .proceso__grid { grid-template-columns: 1fr; gap: 2rem; }
  .proceso__intro { position: static; }
  .step { grid-template-columns: 60px 1fr; }
  .step__num { font-size: 2.2rem; }
}

/* Seguridad */
.seguridad { background: var(--concrete-light); }
.seguridad__grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 4rem; align-items: center; }
.seguridad__media { position: relative; }
.seguridad__media img { width: 100%; aspect-ratio: 4/5; object-fit: cover; border: 6px solid var(--white); box-shadow: var(--shadow); }
.seguridad__badge { position: absolute; width: 150px; right: -1.5rem; bottom: -1.5rem; animation: spin 28s linear infinite; filter: drop-shadow(0 10px 20px rgba(0,0,0,.3)); }
@keyframes spin { to { transform: rotate(360deg); } }
.seguridad__text p:not(.eyebrow) { color: var(--muted); }
.checklist { margin: 1.5rem 0 2rem; display: grid; gap: .7rem; }
.checklist li { display: flex; gap: .7rem; align-items: flex-start; font-weight: 500; }
.checklist .ic { color: var(--black); width: 1.4em; height: 1.4em; margin-top: .15em; }
.certs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.cert { background: var(--white); padding: 1rem; display: flex; gap: .7rem; align-items: center; border-bottom: 4px solid var(--yellow); }
.cert .ic { width: 28px; height: 28px; color: var(--black); }
.cert span { display: grid; font-size: .78rem; color: var(--muted); line-height: 1.3; }
.cert strong { font-family: var(--display); font-size: 1.05rem; color: var(--black); letter-spacing: .05em; }
@media (max-width: 960px) {
  .seguridad__grid { grid-template-columns: 1fr; }
  .seguridad__media img { aspect-ratio: 4/3; }
  .seguridad__badge { width: 110px; right: 0; }
  .certs { grid-template-columns: 1fr 1fr; }
}

/* Equipo */
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.member { position: relative; overflow: hidden; background: var(--black); }
.member img { aspect-ratio: 5/6; object-fit: cover; width: 100%; filter: grayscale(1) contrast(1.05); transition: filter .5s, transform .8s var(--ease); }
.member:hover img { filter: grayscale(0); transform: scale(1.04); }
.member__body { position: absolute; left: 0; right: 0; bottom: 0; padding: 1.2rem; background: linear-gradient(0deg, rgba(17,17,17,.95), rgba(17,17,17,0)); color: var(--white); border-left: 5px solid var(--yellow); }
.member h3 { color: var(--white); font-size: 1.3rem; margin-bottom: .15rem; }
.member span { font-size: .82rem; color: var(--concrete); }
@media (max-width: 960px) { .team-grid { grid-template-columns: 1fr 1fr; } }

/* Testimonios */
.testimonios { background: var(--black-soft); color: var(--white); }
.rating { font-size: .9rem; color: var(--concrete) !important; }
.rating span { color: var(--yellow); letter-spacing: .1em; margin-right: .5rem; }
.testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.testi { margin: 0; padding: 2rem 1.8rem; background: var(--black); border: 1px solid #2a2a2a; border-left: 5px solid var(--yellow); display: flex; flex-direction: column; justify-content: space-between; gap: 1.5rem; }
.testi blockquote { margin: 0; font-size: 1.05rem; line-height: 1.6; color: var(--concrete-light); }
.testi figcaption strong { display: block; font-family: var(--display); font-size: 1.25rem; text-transform: uppercase; letter-spacing: .05em; color: var(--yellow); }
.testi figcaption span { font-size: .82rem; color: var(--concrete); }
@media (max-width: 900px) { .testi-grid { grid-template-columns: 1fr; } }

/* FAQ */
.faq__grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 4rem; align-items: start; }
.faq__intro { position: sticky; top: 110px; }
.faq__intro p:not(.eyebrow) { color: var(--muted); margin-bottom: 1.8rem; }
.faq__item { border: 1px solid var(--concrete-light); margin-bottom: .6rem; background: var(--white); }
.faq__item summary { list-style: none; cursor: pointer; padding: 1.2rem 3.5rem 1.2rem 1.4rem; font-family: var(--display); font-size: 1.35rem; font-weight: 600; text-transform: uppercase; letter-spacing: .02em; color: var(--black); position: relative; }
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after { content: "+"; position: absolute; right: 1rem; top: 50%; transform: translateY(-50%); width: 32px; height: 32px; background: var(--yellow); color: var(--black); display: grid; place-items: center; font-size: 1.4rem; font-weight: 700; transition: all .3s; }
.faq__item[open] summary::after { content: "–"; background: var(--black); color: var(--yellow); }
.faq__item[open] summary { border-bottom: 1px solid var(--concrete-light); }
.faq__answer { padding: 1rem 1.4rem 1.4rem; color: var(--muted); }
.faq__answer p { margin: 0; }
@media (max-width: 900px) { .faq__grid { grid-template-columns: 1fr; gap: 2rem; } .faq__intro { position: static; } }

/* Cotizar */
.cotizar { background: var(--black); color: var(--white); position: relative; }
.cotizar__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; }
.cotizar__text p:not(.eyebrow) { color: var(--concrete); }
.contact__details { display: grid; gap: 1rem; margin: 2rem 0; }
.contact__details li { display: flex; gap: .8rem; align-items: flex-start; }
.contact__details .ic { color: var(--yellow); margin-top: .2rem; }
.contact__details span { display: grid; font-size: .95rem; color: var(--concrete-light); }
.contact__details strong { font-family: var(--display); font-size: .85rem; letter-spacing: .14em; text-transform: uppercase; color: var(--concrete); }
.contact__details a:hover { color: var(--yellow); }
.map { position: relative; border: 1px solid #2f2f2f; overflow: hidden; }
.map svg { width: 100%; height: auto; display: block; }
.map span { position: absolute; right: 1rem; bottom: 1rem; background: var(--yellow); color: var(--black); font-family: var(--display); font-weight: 700; letter-spacing: .1em; text-transform: uppercase; font-size: .8rem; padding: .35rem .7rem; }
.form { background: var(--white); color: var(--ink); padding: 2.4rem; display: grid; gap: 1rem; border-top: 8px solid var(--yellow); }
.form h3 { font-size: 1.7rem; margin-bottom: .3rem; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form label { display: grid; gap: .35rem; font-family: var(--display); font-size: .88rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); font-weight: 600; }
.form input, .form select, .form textarea { font-family: var(--sans); font-size: .98rem; padding: .8rem .95rem; border: 1.5px solid var(--concrete); border-radius: var(--radius); background: var(--concrete-pale); color: var(--ink); transition: border .3s, box-shadow .3s; width: 100%; }
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--black); box-shadow: 0 0 0 3px rgba(245,196,0,.5); background: var(--white); }
.form__check { display: flex !important; align-items: center; gap: .6rem; text-transform: none !important; letter-spacing: 0 !important; font-family: var(--sans) !important; font-size: .95rem !important; font-weight: 400 !important; color: var(--ink) !important; }
.form__check input { width: 20px; height: 20px; accent-color: var(--black); }
.form__note { font-size: .92rem; margin: 0; color: var(--black); font-weight: 600; min-height: 1.4em; }
@media (max-width: 900px) { .cotizar__grid { grid-template-columns: 1fr; } }
@media (max-width: 560px) { .form { padding: 1.5rem; } .form__row { grid-template-columns: 1fr; } }

/* Footer */
.footer { background: var(--black-soft); color: var(--concrete); padding: 4rem 0 0; font-size: .92rem; border-top: 14px solid; border-image: var(--stripes) 14; }
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 3rem; padding-bottom: 3rem; border-bottom: 1px solid #2a2a2a; }
.footer .logo { color: var(--white); }
.footer__brand p { margin: 1.2rem 0; max-width: 360px; }
.footer__social { display: flex; gap: .5rem; }
.footer__social a { width: 38px; height: 38px; display: grid; place-items: center; border: 1.5px solid #3a3a3a; color: var(--white); transition: all .3s; }
.footer__social a:hover { background: var(--yellow); border-color: var(--yellow); color: var(--black); }
.footer h3 { color: var(--white); font-size: 1.25rem; margin-bottom: 1rem; letter-spacing: .08em; }
.footer__nav li { margin-bottom: .55rem; }
.footer__nav a:hover { color: var(--yellow); }
.footer__bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: .5rem; padding: 1.5rem 0; font-size: .8rem; }
.footer__bottom a:hover { color: var(--yellow); }
@media (max-width: 960px) { .footer__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer__grid { grid-template-columns: 1fr; } }

/* WhatsApp flotante */
.wa-float { position: fixed; right: 1.2rem; bottom: 1.2rem; z-index: 80; width: 58px; height: 58px; display: grid; place-items: center; background: var(--yellow); color: var(--black); box-shadow: 0 14px 30px -10px rgba(0,0,0,.5); transition: transform .3s var(--ease), background .3s; }
.wa-float .ic { width: 28px; height: 28px; }
.wa-float:hover { transform: translateY(-3px) scale(1.05); background: var(--yellow-dark); }

/* Animaciones de aparición */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal--delay { transition-delay: .18s; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero__img, .seguridad__badge { animation: none; }
  html { scroll-behavior: auto; }
  .btn:hover, .serv:hover, .proj:hover { transform: none; }
}