/* Nueva Minería SpA — página única. Misma identidad de la presentación:
   fotografía aérea a sangre alternada con paneles tinta / liquen / papel. */
:root {
  --ink: #14161A;
  --lichen: #2F4A48;
  --lichen-soft: #8FA7A2;
  --steppe: #D8CBB0;
  --paper: #F3F0E8;
  --paper-2: #E9E4D8;
  --roof: #B8372E;
  --mute: #5D6664;
  --f-display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --f-body: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
  --gut: clamp(20px, 5vw, 96px);
  --sec: clamp(64px, 9vw, 130px);
  --header-h: 68px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--f-body); font-size: 17px; line-height: 1.55; overflow-x: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; }
p { margin: 0; }

.skip { position: absolute; left: -999px; top: 0; z-index: 100; background: var(--paper); color: var(--ink); padding: 12px 16px; }
.skip:focus { left: 8px; top: 8px; }

.wrap { width: 100%; max-width: 1440px; margin: 0 auto; padding-left: var(--gut); padding-right: var(--gut); }

/* tipografía compartida */
.eyebrow { font-family: var(--f-mono); font-size: clamp(12px, 1.1vw, 15px); letter-spacing: .14em; text-transform: uppercase; color: var(--lichen); margin: 0 0 clamp(16px, 2vw, 26px); }
h1, h2, h3 { font-family: var(--f-display); margin: 0; text-wrap: balance; letter-spacing: -.01em; }
h2 { font-size: clamp(34px, 5vw, 68px); line-height: 1.04; font-weight: 300; font-stretch: 88%; }
h2 b, h1 b { font-weight: 700; }
.lede { font-size: clamp(18px, 1.9vw, 25px); line-height: 1.5; max-width: 36ch; }
.body { font-size: clamp(16px, 1.45vw, 20px); line-height: 1.6; color: var(--mute); max-width: 48ch; }

.dark { background: var(--ink); color: var(--paper); }
.dark .eyebrow { color: var(--steppe); }
.dark .body { color: #C4C9C6; }

/* foto a sangre */
.hero, .ans, .park, .contact { position: relative; overflow: hidden; isolation: isolate; }
.photo { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
.scrim-l::after, .scrim-b::after, .hero::after { content: ""; position: absolute; inset: 0; z-index: -1; }
.scrim-l::after { background: linear-gradient(90deg, rgba(12,14,16,.9) 0%, rgba(12,14,16,.72) 38%, rgba(12,14,16,0) 72%); }
.scrim-b::after { background: linear-gradient(0deg, rgba(12,14,16,.94) 0%, rgba(12,14,16,.72) 42%, rgba(12,14,16,.15) 75%, rgba(12,14,16,0) 100%); }

/* botones */
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 12px 24px; font-family: var(--f-mono); font-size: 14px; letter-spacing: .1em; text-transform: uppercase; text-decoration: none; border: 1.5px solid transparent; border-radius: 0; cursor: pointer; transition: background .2s, color .2s, border-color .2s; }
.btn--solid { background: var(--roof); color: #fff; }
.btn--solid:hover { background: #9d2d25; }
.btn--ghost { border-color: rgba(243,240,232,.7); color: var(--paper); }
.btn--ghost:hover { background: var(--paper); color: var(--ink); }
.btn--ink { background: var(--ink); color: var(--paper); align-self: flex-start; }
.btn--ink:hover { background: var(--lichen); }
.btn:focus-visible, a:focus-visible, button:focus-visible { outline: 3px solid var(--steppe); outline-offset: 3px; }
.btn[disabled] { opacity: .6; cursor: progress; }

/* cabecera */
.header { position: fixed; inset: 0 0 auto 0; z-index: 50; color: var(--paper); transition: background .25s, box-shadow .25s; padding-top: env(safe-area-inset-top, 0px); }
.header.is-solid, .header.is-open { background: rgba(20,22,26,.94); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); box-shadow: 0 1px 0 rgba(243,240,232,.1); }
.header__in { height: var(--header-h); max-width: 1440px; margin: 0 auto; padding: 0 var(--gut); display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.header__logo { display: block; width: clamp(170px, 18vw, 230px); flex: none; }
.header__logo svg { display: block; width: 100%; height: auto; }
.menu { display: flex; align-items: center; gap: clamp(16px, 2.2vw, 34px); font-family: var(--f-mono); font-size: 13px; letter-spacing: .1em; text-transform: uppercase; }
.menu a { text-decoration: none; padding: 10px 0; opacity: .86; }
.menu a:hover { opacity: 1; }
.menu .menu__cta { opacity: 1; background: var(--roof); color: #fff; padding: 10px 18px; }
.menu .menu__cta:hover { background: #9d2d25; }
.header__btn { all: unset; display: none; cursor: pointer; width: 44px; height: 44px; place-items: center; align-content: center; gap: 5px; }
.header__btn i { display: block; width: 24px; height: 2px; background: currentColor; transition: transform .2s, opacity .2s; }

/* portada */
.hero { min-height: 100vh; min-height: 100svh; display: flex; align-items: flex-end; }
.hero::after { background:
  linear-gradient(180deg, rgba(12,14,16,.6) 0, rgba(12,14,16,0) 220px),
  linear-gradient(90deg, rgba(12,14,16,.88) 0%, rgba(12,14,16,.62) 40%, rgba(12,14,16,0) 75%); }
.hero__in { padding-top: calc(var(--header-h) + 40px); padding-bottom: clamp(48px, 8vw, 110px); }
.hero h1 { font-size: clamp(40px, 6.4vw, 88px); line-height: .98; font-weight: 300; font-stretch: 80%; max-width: 15ch; text-shadow: 0 2px 24px rgba(0,0,0,.35); }
.hero h1 b { font-stretch: 100%; display: block; }
.hero__sub { margin-top: clamp(18px, 2vw, 26px); font-size: clamp(17px, 1.8vw, 24px); line-height: 1.45; color: #D9DCD9; max-width: 40ch; text-shadow: 0 1px 12px rgba(0,0,0,.5); }
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: clamp(26px, 3vw, 40px); }

/* quiénes somos */
.who { display: grid; grid-template-columns: 1fr minmax(320px, 35%); }
.who__txt { padding: var(--sec) clamp(24px, 5vw, 80px) var(--sec) var(--gut); display: flex; flex-direction: column; justify-content: center; }
.who__txt h2 { margin-bottom: clamp(22px, 2.6vw, 34px); }
.who__side { background: var(--lichen); color: var(--paper); padding: var(--sec) clamp(24px, 4.5vw, 72px); display: flex; flex-direction: column; justify-content: center; gap: 10px; }
.km { font-family: var(--f-display); font-size: clamp(110px, 14vw, 210px); font-weight: 700; font-stretch: 70%; line-height: .85; letter-spacing: -.03em; }
.km small { font-size: .29em; font-weight: 300; font-stretch: 90%; margin-left: 8px; letter-spacing: 0; }
.who__cap { font-size: clamp(19px, 1.8vw, 25px); line-height: 1.4; max-width: 18ch; }
.route { margin: clamp(26px, 3vw, 44px) 0 0; border-top: 1px solid rgba(243,240,232,.3); padding-top: 20px; font-family: var(--f-mono); font-size: 15px; letter-spacing: .06em; color: #CFE0DC; }
.route div { display: flex; justify-content: space-between; gap: 16px; padding: 4px 0; }
.route dt { font-weight: 500; color: var(--paper); }
.route dd { margin: 0; text-align: right; }

/* contexto */
.chal { padding: var(--sec) 0; }
.chal__head { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(24px, 5vw, 80px); align-items: end; }
.factors { margin-top: clamp(40px, 6vw, 80px); display: grid; grid-template-columns: repeat(3, 1fr); border-top: 2px solid var(--paper); }
.factor { padding: 28px clamp(20px, 2.6vw, 40px) 0 0; display: flex; flex-direction: column; gap: 14px; }
.factor + .factor { padding-left: clamp(20px, 2.6vw, 40px); border-left: 1px solid rgba(243,240,232,.2); }
.factor .k { font-family: var(--f-mono); font-size: 14px; letter-spacing: .12em; text-transform: uppercase; color: var(--steppe); }
.factor h3 { font-size: clamp(24px, 2.6vw, 36px); font-weight: 600; font-stretch: 90%; line-height: 1.1; }
.factor p { font-size: clamp(16px, 1.35vw, 19px); line-height: 1.6; color: #B9BFBC; }

/* propuesta */
.ans { min-height: min(86vh, 780px); display: flex; align-items: center; padding: var(--sec) 0; }
.ans__in { max-width: 720px; }
.ans h2 { font-size: clamp(42px, 6vw, 84px); margin-bottom: clamp(20px, 2.6vw, 34px); }
.ans .lede { color: #E4E6E3; }

/* mercados */
.mkt { display: grid; grid-template-columns: 1fr 1fr; }
.mkt__l { padding: var(--sec) clamp(24px, 4.5vw, 72px) var(--sec) var(--gut); display: flex; flex-direction: column; align-items: flex-start; }
.mkt__l h2 { margin-bottom: clamp(20px, 2.4vw, 30px); }
.mkt__r { padding: var(--sec) var(--gut) var(--sec) clamp(24px, 4.5vw, 72px); background: var(--paper-2); }
.mkt--alt { border-top: 1px solid rgba(20,22,26,.14); }
.mkt--alt .mkt__r { background: #E1DBCB; }
.fig { font-family: var(--f-display); font-weight: 700; font-stretch: 72%; font-size: clamp(76px, 10.5vw, 150px); line-height: .9; letter-spacing: -.02em; color: var(--lichen); font-variant-numeric: tabular-nums; white-space: nowrap; }
.fig .cur { font-size: .32em; font-weight: 400; font-stretch: 100%; vertical-align: top; margin-right: .25em; letter-spacing: 0; line-height: 1.6; }
.fig-cap { font-family: var(--f-mono); font-size: clamp(13px, 1.1vw, 16px); letter-spacing: .08em; text-transform: uppercase; color: var(--mute); margin-top: 14px; }
.list { list-style: none; margin: clamp(28px, 3.4vw, 44px) 0 0; padding: 0; }
.list li { display: grid; grid-template-columns: 30px 1fr; gap: 12px; font-size: clamp(16px, 1.45vw, 20px); line-height: 1.45; padding: 16px 0; border-top: 1px solid rgba(20,22,26,.16); }
.list li::before { content: ""; width: 18px; height: 8px; background: var(--lichen); margin-top: .55em; }
.tag { margin-top: clamp(22px, 2.6vw, 30px); font-family: var(--f-mono); font-size: 13px; letter-spacing: .1em; text-transform: uppercase; border: 1.5px solid var(--ink); padding: 8px 14px; }

/* instalaciones */
.fac { display: grid; grid-template-columns: minmax(0, 45%) 1fr; }
.fac__pic { position: relative; min-height: 420px; }
.fac__pic .photo { z-index: 0; }
.fac__txt { padding: var(--sec) var(--gut) var(--sec) clamp(24px, 5vw, 80px); }
.caps { display: flex; gap: clamp(28px, 4vw, 56px); margin-top: clamp(26px, 3vw, 40px); }
.cap-n { font-family: var(--f-display); font-size: clamp(84px, 9vw, 132px); font-weight: 700; font-stretch: 72%; line-height: .85; }
.cap-l { font-family: var(--f-mono); font-size: clamp(12px, 1.1vw, 15px); letter-spacing: .1em; text-transform: uppercase; color: var(--mute); margin-top: 12px; }
.amen { display: grid; grid-template-columns: 1fr 1fr; gap: 0 36px; margin-top: clamp(26px, 3vw, 40px); }
.amen div { font-size: clamp(16px, 1.45vw, 20px); padding: 16px 0; border-top: 1px solid rgba(20,22,26,.16); line-height: 1.35; }
.amen div span { display: block; font-family: var(--f-mono); font-size: 13px; letter-spacing: .1em; text-transform: uppercase; color: var(--lichen); margin-bottom: 4px; }

/* certificaciones */
.std { background: var(--lichen); color: var(--paper); padding: var(--sec) 0; overflow: hidden; }
.std .eyebrow { color: #CFE0DC; }
.std .body { color: #D7E3E0; margin-top: clamp(20px, 2.2vw, 28px); }
.std__in { display: grid; grid-template-columns: 1fr auto; gap: clamp(40px, 7vw, 100px); align-items: center; }
.checks { list-style: none; padding: 0; margin: clamp(24px, 2.8vw, 34px) 0 0; display: flex; flex-direction: column; gap: 14px; }
.checks li { font-size: clamp(17px, 1.6vw, 22px); display: flex; gap: 16px; align-items: baseline; }
.checks li::before { content: "✓"; font-family: var(--f-mono); color: var(--steppe); }
.stamp { width: clamp(250px, 30vw, 420px); aspect-ratio: 1; border: 3px solid var(--paper); border-radius: 50%; display: grid; place-items: center; text-align: center; position: relative; rotate: -8deg; container-type: inline-size; }
.stamp::before { content: ""; position: absolute; inset: 4%; border: 1px solid rgba(243,240,232,.5); border-radius: 50%; }
.stamp .t1 { font-family: var(--f-mono); font-size: 4.2cqw; letter-spacing: .3em; text-transform: uppercase; }
.stamp .t2 { font-family: var(--f-display); font-size: 22cqw; font-weight: 800; font-stretch: 75%; line-height: .95; margin: 2.5cqw 0; }
.stamp .t3 { font-family: var(--f-mono); font-size: 3.4cqw; letter-spacing: .2em; text-transform: uppercase; color: #CFE0DC; }

/* estacionamiento */
.park { min-height: min(86vh, 780px); display: flex; align-items: flex-end; padding: var(--sec) 0 clamp(48px, 7vw, 100px); }
.park__in { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(24px, 5vw, 80px); align-items: end; }
.park .body { color: #D4D8D5; }
.park .eyebrow { margin-bottom: clamp(14px, 2vw, 26px); }

/* ubicación */
.loc { display: grid; grid-template-columns: minmax(340px, 36%) 1fr; }
.loc__l { padding: var(--sec) clamp(24px, 4vw, 64px) var(--sec) var(--gut); display: flex; flex-direction: column; gap: clamp(20px, 2.4vw, 30px); }
.loc__l .eyebrow { margin-bottom: 0; }
.loc h2 { font-size: clamp(34px, 4.2vw, 60px); }
.coords { font-family: var(--f-display); font-weight: 600; font-stretch: 75%; font-size: clamp(36px, 4vw, 56px); line-height: 1.05; color: var(--lichen); font-variant-numeric: tabular-nums; }
.coords span { display: block; white-space: nowrap; }
.loc__map { position: relative; background: var(--lichen); min-height: 460px; }
.loc__map iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

/* contacto */
.contact { padding: var(--sec) 0; }
.contact.scrim-l::after { background: linear-gradient(90deg, rgba(12,14,16,.95) 0%, rgba(12,14,16,.86) 45%, rgba(12,14,16,.62) 100%); }
.contact__in { display: grid; grid-template-columns: 1fr minmax(0, 560px); gap: clamp(32px, 6vw, 96px); align-items: start; }
.contact__txt h2 { font-size: clamp(34px, 4.4vw, 60px); margin-bottom: clamp(20px, 2.4vw, 30px); }
.contact__loc { margin-top: clamp(26px, 3vw, 40px); font-family: var(--f-mono); font-size: clamp(13px, 1.1vw, 16px); letter-spacing: .08em; line-height: 1.9; color: #AEB5B2; text-transform: uppercase; }
.contact__mail { display: inline-block; margin-top: 18px; font-size: clamp(16px, 1.4vw, 19px); color: var(--paper); text-underline-offset: 4px; overflow-wrap: anywhere; }
.contact__mail:hover { color: var(--steppe); }

.form { background: rgba(20,22,26,.78); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); border: 1px solid rgba(243,240,232,.16); padding: clamp(22px, 3vw, 40px); display: flex; flex-direction: column; gap: 18px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.field > span { font-family: var(--f-mono); font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--steppe); }
.field input, .field select, .field textarea { width: 100%; font: inherit; font-size: 16px; color: var(--paper); background: rgba(243,240,232,.06); border: 1px solid rgba(243,240,232,.28); border-radius: 0; padding: 13px 14px; min-height: 50px; -webkit-appearance: none; appearance: none; }
.field textarea { resize: vertical; min-height: 130px; line-height: 1.5; }
.field select { background-image: linear-gradient(45deg, transparent 50%, var(--steppe) 50%), linear-gradient(135deg, var(--steppe) 50%, transparent 50%); background-position: calc(100% - 22px) 22px, calc(100% - 16px) 22px; background-size: 6px 6px; background-repeat: no-repeat; padding-right: 40px; }
.field select option { color: var(--ink); background: var(--paper); }
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid var(--steppe); outline-offset: 1px; border-color: var(--steppe); }
.field .is-invalid { border-color: #FF8A7E; background: rgba(184,55,46,.16); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.form__foot { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 20px; margin-top: 4px; }
.form__status { flex: 1 1 220px; font-size: 15px; line-height: 1.45; min-height: 1em; }
.form__status.is-ok { color: #B9E3C6; }
.form__status.is-err { color: #FFB0A7; }

/* pie */
.footer { background: #0C0E10; color: rgba(243,240,232,.62); font-family: var(--f-mono); font-size: 13px; letter-spacing: .1em; text-transform: uppercase; padding: 26px 0 calc(26px + env(safe-area-inset-bottom, 0px)); }
.footer__in { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px 24px; }
.brand { display: inline-flex; align-items: center; gap: 14px; color: var(--paper); }
.mark { display: inline-flex; flex-direction: column; gap: 3px; }
.mark i { display: block; height: 5px; background: currentColor; }
.mark i:nth-child(1) { width: 10px; background: var(--lichen-soft); } .mark i:nth-child(2) { width: 16px; } .mark i:nth-child(3) { width: 22px; }

/* aparición al hacer scroll (solo con JS activo) */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.js .reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- tablet ---------- */
@media (max-width: 1000px) {
  .header__btn { display: grid; }
  .menu { position: absolute; left: 0; right: 0; top: 100%; flex-direction: column; align-items: stretch; gap: 0; background: rgba(20,22,26,.97); padding: 8px var(--gut) 24px; font-size: 15px; display: none; max-height: calc(100vh - var(--header-h)); overflow-y: auto; }
  .header.is-open .menu { display: flex; }
  .menu a { padding: 16px 0; border-bottom: 1px solid rgba(243,240,232,.12); opacity: 1; }
  .menu .menu__cta { margin-top: 18px; text-align: center; border-bottom: 0; padding: 16px; }
  .header.is-open .header__btn i:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .header.is-open .header__btn i:nth-child(2) { opacity: 0; }
  .header.is-open .header__btn i:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .who, .mkt, .fac, .loc { grid-template-columns: 1fr; }
  .who__txt, .mkt__l, .loc__l { padding: var(--sec) var(--gut) clamp(36px, 6vw, 56px); }
  .who__side, .mkt__r, .fac__txt { padding: clamp(40px, 7vw, 64px) var(--gut) var(--sec); }
  .fac__pic { min-height: 0; aspect-ratio: 4 / 3; }
  .loc__map { min-height: 0; height: 70vh; max-height: 520px; }
  .chal__head, .park__in, .contact__in { grid-template-columns: 1fr; }
  .contact.scrim-l::after { background: rgba(12,14,16,.88); }
  .contact__in { gap: 40px; }
  .form { max-width: 640px; }
}

/* ---------- teléfono ---------- */
@media (max-width: 700px) {
  :root { --header-h: 60px; }
  .hero::after { background:
    linear-gradient(180deg, rgba(12,14,16,.6) 0, rgba(12,14,16,0) 160px),
    linear-gradient(0deg, rgba(12,14,16,.95) 0%, rgba(12,14,16,.74) 45%, rgba(12,14,16,.12) 80%); }
  .hero .photo { object-position: 38% center; }
  .hero__cta .btn { flex: 1 1 100%; }

  .factors { grid-template-columns: 1fr; border-top: 0; }
  .factor, .factor + .factor { padding: 26px 0; border-left: 0; border-top: 1px solid rgba(243,240,232,.22); }
  .factor:first-child { border-top: 2px solid var(--paper); }

  .ans { min-height: 0; align-items: flex-end; padding-top: 56vw; }
  .ans.scrim-l::after { background: linear-gradient(0deg, rgba(12,14,16,.96) 0%, rgba(12,14,16,.8) 50%, rgba(12,14,16,.1) 85%); }
  .park { min-height: 0; padding-top: 56vw; }

  .std__in { grid-template-columns: 1fr; }
  .stamp { justify-self: center; margin-top: 8px; }
  .amen { grid-template-columns: 1fr; }
  .form__row { grid-template-columns: 1fr; }
  .form__foot .btn { width: 100%; }
  .footer__in { flex-direction: column; align-items: flex-start; }
}