/* ==========================================================
   Grúas Los Ríos — estilos
   Paleta: rojo grúa, asfalto y ámbar de baliza.
   La baliza parpadea a 1.4 s en la ilustración y en los botones.
   ========================================================== */
:root {
  --asfalto: #14161b;
  --asfalto-2: #1d2027;
  --grafito: #2a2e37;
  --rojo: #d3161d;
  --rojo-osc: #a80f15;
  --baliza: #ffab00;
  --niebla: #eceff2;
  --papel: #ffffff;
  --tinta: #0e1014;
  --gris: #565d69;
  --wa: #12894a;
  --wa-osc: #0d6c3a;

  --f-display: 'Big Shoulders Display', 'Arial Narrow', Impact, sans-serif;
  --f-body: 'Hanken Grotesk', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --f-mono: 'JetBrains Mono', ui-monospace, Consolas, monospace;

  --r: 18px;
  --wrap: 1240px;
  --gut: clamp(18px, 4vw, 40px);
  --beat: 1.4s;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--niebla);
  color: var(--tinta);
  font: 400 1.0625rem/1.55 var(--f-body);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3, p, ul, ol, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
:focus-visible { outline: 3px solid var(--baliza); outline-offset: 3px; border-radius: 6px; }

.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gut); }
.ico { width: 1.25em; height: 1.25em; flex: none; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* ---------- tipografía ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: .6em;
  font: 700 .78rem/1 var(--f-mono); letter-spacing: .12em; text-transform: uppercase;
  color: var(--rojo);
}
.eyebrow::before { content: ""; width: .6em; height: .6em; border-radius: 50%; background: var(--baliza); box-shadow: 0 0 0 3px rgba(255, 171, 0, .25); animation: dot var(--beat) ease-in-out infinite; }
.eyebrow--light { color: #ffd27a; }
@keyframes dot { 0%, 35% { opacity: 1 } 55%, 90% { opacity: .2 } 100% { opacity: 1 } }

.h2 {
  font: 900 clamp(2.4rem, 5.4vw, 4.4rem)/.92 var(--f-display);
  text-transform: uppercase; letter-spacing: -.005em; margin-top: .55em;
  max-width: 18ch; text-wrap: balance;
}
.h2--light { color: #fff; }
.lede { margin-top: 1.1em; max-width: 52ch; color: var(--gris); font-size: 1.15rem; }
.lede--light { color: #c3c9d2; }

.sec { padding-block: clamp(72px, 10vw, 128px); }
.sec__head { margin-bottom: clamp(32px, 5vw, 56px); }

/* ---------- botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .6em;
  padding: .85em 1.35em; border-radius: 999px; border: 2px solid transparent;
  font: 700 1rem/1.1 var(--f-body); text-decoration: none; cursor: pointer;
  transition: background-color .2s, transform .2s, border-color .2s, color .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn--sm { padding: .7em 1.1em; font-size: .95rem; }
.btn--lg { padding: 1.05em 1.7em; font-size: 1.1rem; }
.btn--block { width: 100%; }
.btn--call { background: var(--rojo); color: #fff; }
.btn--call:hover { background: var(--rojo-osc); }
.btn--wa { background: var(--wa); color: #fff; }
.btn--wa:hover { background: var(--wa-osc); }
.btn--ghost { border-color: rgba(255, 255, 255, .55); color: #fff; background: rgba(20, 22, 27, .35); backdrop-filter: blur(6px); }
.btn--ghost:hover { border-color: #fff; background: rgba(255, 255, 255, .12); }
.beat { animation: beat var(--beat) ease-out infinite; }
@keyframes beat { 0% { box-shadow: 0 0 0 0 rgba(255, 171, 0, .8) } 60%, 100% { box-shadow: 0 0 0 16px rgba(255, 171, 0, 0) } }
.only-wide { display: none; }

/* ---------- cabecera ---------- */
.top { position: fixed; inset: 0 0 auto 0; z-index: 50; color: #fff; transition: background-color .3s, box-shadow .3s; }
.top.is-solid { background: rgba(20, 22, 27, .94); backdrop-filter: blur(10px); box-shadow: 0 1px 0 rgba(255, 255, 255, .08); }
.top__in { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 72px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.brand__mark { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 12px; background: var(--rojo); color: #fff; }
.brand__mark .ico { width: 24px; height: 24px; stroke-width: 2.4; }
.brand__txt { display: grid; line-height: 1; }
.brand__txt strong { font: 900 1.45rem/1 var(--f-display); text-transform: uppercase; letter-spacing: .02em; }
.brand__txt small { margin-top: 4px; font: 500 .68rem/1 var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: #ffd27a; }
.nav { display: none; gap: 28px; }
.nav a { text-decoration: none; font-weight: 600; font-size: .95rem; opacity: .9; position: relative; padding-block: 6px; }
.nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: var(--baliza); transform: scaleX(0); transform-origin: left; transition: transform .25s; }
.nav a:hover { opacity: 1; }
.nav a:hover::after { transform: scaleX(1); }

/* ---------- hero ---------- */
.hero { position: relative; min-height: 100svh; display: grid; align-items: start; background: var(--asfalto); color: #fff; isolation: isolate; overflow: hidden; }
.hero__img { position: absolute; inset: 0 0 auto 0; width: 100%; height: 54svh; min-height: 400px; object-fit: cover; object-position: 60% 50%; z-index: -2; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(20, 22, 27, .55) 0, rgba(20, 22, 27, 0) 32%, var(--asfalto) max(54svh, 400px)); }
.hero::after { content: ""; position: absolute; inset: auto 0 0 0; height: 12px; background: repeating-linear-gradient(-45deg, var(--baliza) 0 14px, var(--asfalto) 14px 28px); }
.hero__body { padding-top: max(50svh, 380px); padding-bottom: 64px; }
.hero__title { margin-top: 18px; font: 900 clamp(3.6rem, 17vw, 5.6rem)/1 var(--f-display); text-transform: uppercase; letter-spacing: -.01em; }
.hero__title span { display: block; color: var(--baliza); }
.hero__lead { margin-top: 22px; max-width: 46ch; font-size: 1.12rem; color: #dde1e7; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.facts { display: flex; flex-wrap: wrap; gap: 10px 26px; margin-top: 32px; font: 500 .74rem/1.3 var(--f-mono); letter-spacing: .06em; text-transform: uppercase; color: #c3c9d2; }
.facts li { display: flex; align-items: center; gap: .6em; }
.facts li::before { content: ""; width: 7px; height: 7px; background: var(--baliza); transform: rotate(45deg); flex: none; }

/* ---------- ¿qué te pasó? ---------- */
.quick { padding-block: clamp(56px, 8vw, 96px); background: var(--niebla); }
.quick__in { display: grid; gap: 32px; }
.chips { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.chip {
  display: flex; align-items: center; justify-content: space-between; gap: 10px; height: 100%;
  padding: 18px 18px; border-radius: 14px; background: var(--papel);
  border: 2px solid transparent; box-shadow: 0 1px 0 rgba(14, 16, 20, .06);
  font-weight: 700; line-height: 1.2; text-decoration: none;
  transition: border-color .2s, transform .2s, box-shadow .2s;
}
.chip .ico { color: var(--rojo); transition: transform .2s; }
.chip:hover { border-color: var(--rojo); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(14, 16, 20, .1); }
.chip:hover .ico { transform: translateX(4px); }

/* ---------- servicios ---------- */
.services { background: var(--papel); }
.svc { display: grid; gap: 16px; }
.card {
  position: relative; display: flex; align-items: flex-end; min-height: 380px;
  border-radius: var(--r); overflow: hidden; color: #fff; text-decoration: none; isolation: isolate;
  background: var(--asfalto);
}
.card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; transition: transform .9s cubic-bezier(.2, .7, .2, 1); }
.card::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(0deg, rgba(14, 16, 20, .92) 0, rgba(14, 16, 20, .55) 42%, rgba(14, 16, 20, 0) 72%); }

.card--a img { object-position: 50% 45%; }
.card--c img { object-position: 88% 50%; }
.card--d img { object-position: 10% 50%; }
.card--e img { object-position: 50% 35%; }
.card:hover img { transform: scale(1.05); }
.card__body { padding: clamp(20px, 3vw, 32px); }
.card h3 { font: 900 clamp(1.9rem, 3.4vw, 2.7rem)/.95 var(--f-display); text-transform: uppercase; max-width: 16ch; }
.card p { margin-top: 10px; max-width: 40ch; color: #dfe3e8; font-size: .98rem; }
.card__go { display: inline-flex; align-items: center; gap: .5em; margin-top: 16px; font-weight: 700; font-size: .95rem; color: #ffd27a; }
.card__go .ico { transition: transform .2s; }
.card:hover .card__go .ico { transform: translateX(5px); }
.card:focus-visible { outline-offset: 4px; }

/* ---------- nuestra grúa ---------- */
.fleet { background: var(--asfalto); color: #fff; overflow: hidden; }
.fleet__stage { position: relative; margin-top: 8px; padding-block: 8px 12px; }
.fleet__fig { position: relative; }
.fleet__fig > img { width: 100%; height: auto; }
.pins { margin-top: 20px; display: grid; gap: 14px; }
.pin { display: grid; grid-template-columns: 14px 1fr; gap: 12px; align-items: start; }
.pin::before { content: ""; width: 14px; height: 14px; margin-top: 5px; border-radius: 50%; background: var(--baliza); box-shadow: 0 0 0 0 rgba(255, 171, 0, .6); animation: ping 2.8s ease-out infinite; }
.pin__label { display: grid; gap: 2px; }
.pin__label strong { font: 800 1.35rem/1 var(--f-display); text-transform: uppercase; letter-spacing: .02em; }
.pin__label span { font-size: .95rem; color: #c3c9d2; }
@keyframes ping { 0% { box-shadow: 0 0 0 0 rgba(255, 171, 0, .6) } 70%, 100% { box-shadow: 0 0 0 14px rgba(255, 171, 0, 0) } }

/* ---------- seguridad ---------- */
.safety { background: var(--niebla); }
.safety__in { display: grid; gap: 40px; align-items: center; }
.safety__fig { position: relative; border-radius: var(--r); overflow: hidden; aspect-ratio: 4 / 3; background: var(--asfalto); box-shadow: 0 24px 50px -24px rgba(14, 16, 20, .55); }
.safety__fig img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 45%; }
.tips { display: grid; gap: 18px; margin-top: 32px; }
.tips li { display: grid; grid-template-columns: 44px 1fr; gap: 16px; align-items: start; }
.tick { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 12px; background: var(--baliza); color: var(--tinta); }
.tick .ico { width: 22px; height: 22px; stroke-width: 3; }
.tips strong { display: block; font-size: 1.12rem; line-height: 1.25; }
.tips p { margin-top: 3px; color: var(--gris); }

/* ---------- cómo funciona ---------- */
.how { background: var(--papel); }
.steps { display: grid; gap: 30px; position: relative; }
.steps::before { content: ""; position: absolute; left: 33px; top: 34px; bottom: 34px; border-left: 3px dashed #c7ccd4; }
.step { position: relative; display: grid; grid-template-columns: 68px 1fr; gap: 20px; align-items: start; }
.step__n { position: relative; display: grid; place-items: center; width: 68px; height: 68px; }
.step__n::before { content: ""; position: absolute; inset: 9px; background: var(--baliza); border: 3px solid var(--tinta); border-radius: 8px; transform: rotate(45deg); box-shadow: 0 0 0 5px var(--papel); }
.step__n b { position: relative; font: 900 2rem/1 var(--f-display); }
.step h3 { margin-top: 10px; font: 900 1.7rem/1 var(--f-display); text-transform: uppercase; }
.step p { margin-top: 6px; color: var(--gris); max-width: 34ch; }

/* ---------- cobertura ---------- */
.cover { position: relative; isolation: isolate; overflow: hidden; color: #fff; padding-block: clamp(80px, 12vw, 150px); background: var(--asfalto); }
.cover__img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 62%; z-index: -2; }
.cover::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(14, 16, 20, .82), rgba(14, 16, 20, .6) 60%, rgba(14, 16, 20, .8)); }
.towns { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; max-width: 760px; }
.towns li { padding: .55em 1.05em; border-radius: 999px; border: 1px solid rgba(255, 255, 255, .35); background: rgba(20, 22, 27, .5); backdrop-filter: blur(6px); font-weight: 600; }
.cover__note { margin-top: 26px; color: #dde1e7; }
.cover__note a { color: #ffd27a; font-weight: 700; text-underline-offset: 3px; }

/* ---------- preguntas ---------- */
.faq { background: var(--niebla); }
.faq__in { display: grid; gap: 28px; }
.faq__list { display: grid; gap: 10px; max-width: 820px; }
.faq details { background: var(--papel); border-radius: 14px; }
.faq summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 20px 22px; font-weight: 700; font-size: 1.08rem; cursor: pointer; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; flex: none; display: grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; background: var(--niebla); color: var(--rojo); font: 700 1.4rem/1 var(--f-body); transition: transform .25s, background-color .25s; }
.faq details[open] summary::after { transform: rotate(45deg); background: var(--rojo); color: #fff; }
.faq details p { padding: 0 22px 22px; max-width: 62ch; color: var(--gris); }

/* ---------- contacto ---------- */
.contact { background: var(--rojo); color: #fff; padding-block: clamp(72px, 10vw, 128px); position: relative; overflow: hidden; }
.contact::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 12px; background: repeating-linear-gradient(-45deg, var(--baliza) 0 14px, var(--asfalto) 14px 28px); }
.contact__in { display: grid; gap: 44px; align-items: center; }
.contact__title { margin-top: .5em; font: 900 clamp(2.8rem, 8vw, 5.6rem)/.9 var(--f-display); text-transform: uppercase; }
.contact__phone { display: inline-flex; align-items: center; gap: .35em; margin-top: 26px; padding: .3em .55em .3em .4em; border-radius: 16px; background: #fff; color: var(--rojo); text-decoration: none; font: 900 clamp(2rem, 7vw, 3.4rem)/1 var(--f-display); letter-spacing: .01em; transition: transform .2s; }
.contact__phone:hover { transform: translateY(-3px); }
.contact__phone .ico { width: .9em; height: .9em; }
.contact__meta { display: grid; gap: 10px; margin-top: 26px; font-weight: 600; }
.contact__meta li { display: flex; align-items: center; gap: .6em; }
.form { display: grid; gap: 14px; padding: clamp(22px, 4vw, 34px); border-radius: 22px; background: var(--papel); color: var(--tinta); box-shadow: 0 30px 60px -28px rgba(0, 0, 0, .55); }
.form h3 { font: 900 1.75rem/1 var(--f-display); text-transform: uppercase; }
.form label { display: grid; gap: 6px; font-weight: 700; font-size: .92rem; }
.form input, .form select {
  width: 100%; height: 52px; padding: 0 14px; border-radius: 12px; border: 2px solid #d3d8df; background: #fff;
  font: 500 1rem var(--f-body); color: var(--tinta);
}
.form input:focus, .form select:focus { outline: 3px solid var(--baliza); outline-offset: 0; border-color: var(--tinta); }
.form input[aria-invalid="true"] { border-color: var(--rojo); }
.loc { justify-self: start; display: inline-flex; align-items: center; gap: .5em; margin-top: -4px; padding: 6px 2px; background: none; border: 0; color: var(--rojo); font: 700 .95rem var(--f-body); cursor: pointer; text-decoration: underline; text-underline-offset: 3px; }
.loc__msg { margin-top: -8px; min-height: 1.2em; font-size: .88rem; color: var(--gris); }
.form__note { font-size: .88rem; color: var(--gris); text-align: center; }

/* ---------- pie ---------- */
.foot { background: var(--asfalto); color: #c3c9d2; padding-block: 44px 110px; }
.foot__in { display: grid; gap: 18px; }
.foot .brand { color: #fff; }
.foot a { text-underline-offset: 3px; }
.foot__copy { font-size: .85rem; opacity: .7; }

/* ---------- barra fija ---------- */
.dock { position: fixed; z-index: 60; inset: auto 0 0 0; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; padding: 10px 14px calc(10px + env(safe-area-inset-bottom)); background: rgba(20, 22, 27, .94); backdrop-filter: blur(10px); box-shadow: 0 -1px 0 rgba(255, 255, 255, .08); }
.dock .btn { padding: .95em 1em; }

/* ---------- aparición al hacer scroll ---------- */
.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s cubic-bezier(.2, .7, .2, 1); }
.js .reveal.in { opacity: 1; transform: none; }

/* ==========================================================
   Tablet y escritorio
   ========================================================== */
@media (max-width: 479px) {
  .eyebrow { font-size: .7rem; letter-spacing: .08em; }
}

@media (min-width: 640px) {
  .chips { grid-template-columns: repeat(3, 1fr); }
  .card { min-height: 420px; }
}

@media (min-width: 900px) {
  .nav { display: flex; }
  .only-wide { display: inline; }

  /* hero: texto a la izquierda, escena a pantalla completa */
  .hero { align-items: end; }
  .hero__img { inset: 0; height: 100%; min-height: 0; object-position: 50% 55%; }
  .hero::before { background: linear-gradient(90deg, rgba(14, 16, 20, .93) 0, rgba(14, 16, 20, .84) 38%, rgba(14, 16, 20, .4) 62%, rgba(14, 16, 20, .05) 100%), linear-gradient(0deg, rgba(14, 16, 20, .8), rgba(14, 16, 20, 0) 34%); }
  .hero__body { padding-top: 110px; padding-bottom: clamp(56px, 9vh, 110px); }
  .hero__title { font-size: clamp(4.6rem, 6.6vw, 8.6rem); line-height: 1.04; }
  .hero__lead { max-width: 38ch; font-size: 1.2rem; }

  .quick__in { grid-template-columns: 5fr 7fr; gap: 56px; align-items: center; }

  .svc { grid-template-columns: repeat(12, 1fr); }
  .card { min-height: 400px; }
  .card--a { grid-column: span 7; min-height: 500px; }
  .card--b { grid-column: span 5; min-height: 500px; }
  .card--c, .card--d, .card--e { grid-column: span 4; }
  .card--f { grid-column: span 12; min-height: 420px; }
  .card--f img { object-position: 50% 62%; }
  .card--c, .card--d, .card--e { min-height: 440px; }
  .card--f .card__body { max-width: 640px; }

  /* grúa: rótulos apuntando a cada pieza */
  .fleet__stage { padding-block: 24px 0; }
  .fleet__fig::after { content: ""; position: absolute; left: -3%; right: -3%; top: 91.5%; border-top: 4px dashed #3a3f4a; }
  .pins { position: absolute; inset: 0; margin: 0; display: block; }
  .pin { position: absolute; left: var(--x); top: var(--y); display: block; width: 0; height: 0; }
  .pin::before { position: absolute; left: -7px; top: -7px; margin: 0; }
  .pin__label { position: absolute; left: 0; width: 230px; padding-left: 16px; border-left: 1px solid rgba(255, 255, 255, .5); }
  .pin--up .pin__label { bottom: 7px; padding-bottom: 14px; }
  .pin--down .pin__label { top: 7px; padding-top: 14px; }
  .pin--left .pin__label { left: auto; right: 0; padding: 0 16px 14px 0; border-left: 0; border-right: 1px solid rgba(255, 255, 255, .5); text-align: right; }

  .safety__in { grid-template-columns: 6fr 6fr; gap: clamp(40px, 6vw, 88px); }
  .safety__fig { aspect-ratio: 1 / 1; }

  .steps { grid-template-columns: repeat(4, 1fr); gap: 28px; }
  .steps::before { left: 34px; right: 34px; top: 33px; bottom: auto; border-left: 0; border-top: 3px dashed #c7ccd4; }
  .step { grid-template-columns: 1fr; gap: 14px; }

  .faq__in { grid-template-columns: 4fr 8fr; gap: 56px; align-items: start; }
  .faq .sec__head { margin-bottom: 0; }

  .contact__in { grid-template-columns: 7fr 5fr; gap: 64px; }

  /* barra fija: en escritorio solo queda WhatsApp, flotando */
  .dock { inset: auto 28px 28px auto; display: flex; padding: 0; background: none; backdrop-filter: none; box-shadow: none; }
  .dock .btn--call { display: none; }
  .dock .btn--wa { padding: 1em 1.4em; box-shadow: 0 12px 30px -8px rgba(0, 0, 0, .5); }
  .foot { padding-bottom: 56px; }
  .foot__in { grid-template-columns: 1fr auto auto auto; align-items: center; gap: 36px; }
}

@media (min-width: 1200px) {
  .top__in { min-height: 80px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .beat, .pin::before, .eyebrow::before { animation: none; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .card img, .btn, .chip, .contact__phone { transition: none; }
}