/* ============================================================
   rum_data — landing
   Type, scale and layout are derived from RD_BROCHURE.pptx:
   Garamond Premier Pro for display (roman lead + italic on the
   underscored word), Helvetica for everything else.
   To switch to the licensed Adobe face, add the Adobe Fonts
   <link> and change --font-display only.
   ============================================================ */

:root {
  --bg:        #000;
  --ink:       #fff;
  --ink-2:     rgba(255, 255, 255, .62);
  --ink-3:     rgba(255, 255, 255, .40);
  --line:      rgba(255, 255, 255, .15);

  --card:      #fafafa;
  --card-ink:  #101010;
  --card-ink-2:#8c8c8c;

  --font-display: "EB Garamond", "Garamond Premier Pro", Garamond, "Times New Roman", serif;
  --font-ui: "Helvetica Neue", Helvetica, Arial, "Segoe UI", sans-serif;

  /* 66px on a 1280px slide ≈ 5.2% */
  --gutter: clamp(1.25rem, 5.2vw, 5.25rem);
  --band-y: clamp(4.5rem, 11vh, 9rem);
  --maxw: 96rem;

  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: clamp(.9375rem, .35vw + .84rem, 1.0625rem);
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; }

:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

.skip {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--ink); color: var(--bg); padding: .75rem 1rem; text-decoration: none;
}
.skip:focus { left: 0; }

/* ── shared type ───────────────────────────────────────────── */

.display {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.5rem, 7.6vw, 6rem);
  line-height: .96;
  letter-spacing: -.005em;
  margin: 0;
  text-wrap: balance;
}
.display em { font-style: italic; }

/* the underscore stroke from the logo, drawn in on reveal */
.display::after {
  content: "";
  display: block;
  height: 3px;
  width: 0;
  background: var(--ink);
  margin-top: .5em;
  transition: width .8s cubic-bezier(.2, .7, .2, 1) .15s;
}
.display.in::after { width: clamp(2.5rem, 4vw, 4rem); }

.kicker {
  font-size: 1.0625rem;
  font-weight: 500;
  margin: 0 0 .6rem;
  letter-spacing: -.005em;
}

.rule {
  font-size: .78rem;
  color: var(--ink-2);
  letter-spacing: .005em;
}
.rule--right { margin-left: auto; }
.rule a { text-decoration: none; border-bottom: 1px solid var(--line); }
.rule a:hover { border-color: var(--ink); }

.folio {
  position: absolute;
  top: calc(var(--band-y) - 1rem);
  right: var(--gutter);
  font-size: .78rem;
  color: var(--ink-3);
  font-variant-numeric: tabular-nums;
}

/* ── topbar ────────────────────────────────────────────────── */

.topbar {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  display: flex; align-items: center; gap: 1.5rem;
  padding: .85rem var(--gutter);
  transition: background .35s, border-color .35s, backdrop-filter .35s;
  border-bottom: 1px solid transparent;
}
.topbar.is-stuck {
  background: rgba(0, 0, 0, .82);
  backdrop-filter: blur(10px);
  border-bottom-color: var(--line);
}

.topbar__brand {
  display: inline-flex; align-items: center; gap: .6rem;
  text-decoration: none; color: var(--ink);
}
.mark--sm { height: 1.05rem; width: auto; color: var(--ink); }
.topbar__tag { font-size: .78rem; color: var(--ink-2); white-space: nowrap; }

.topbar__nav {
  margin-left: auto;
  display: flex; align-items: center; gap: clamp(.75rem, 1.6vw, 1.6rem);
  font-size: .82rem;
}
.topbar__nav a { text-decoration: none; color: var(--ink-2); }
.topbar__nav a:hover { color: var(--ink); }

.topbar__cta {
  color: var(--ink) !important;
  border: 1px solid var(--line);
  padding: .38rem .8rem;
  transition: background .25s, color .25s, border-color .25s;
}
.topbar__cta:hover { background: var(--ink); color: var(--bg) !important; border-color: var(--ink); }

.langtoggle {
  font: inherit; font-size: .78rem;
  background: none; border: 0; padding: .2rem .1rem; cursor: pointer;
  color: var(--ink-3); letter-spacing: .04em;
}
.langtoggle__on { color: var(--ink); }
.langtoggle__sep { margin: 0 .18em; }
.langtoggle:hover .langtoggle__off { color: var(--ink-2); }

/* ── wordmark ──────────────────────────────────────────────── */

.wordmark {
  display: inline-flex; flex-direction: column;
  font-family: var(--font-display);
  font-weight: 400;
  line-height: .8;
}
.wordmark__rum  { font-size: 1em; }
.wordmark__data { font-size: .74em; padding-left: .03em; }
.wordmark__data em { font-style: italic; }

/* ── 01 hero ───────────────────────────────────────────────── */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: calc(var(--band-y) + 2rem) var(--gutter) var(--band-y);
  max-width: var(--maxw);
}

.hero__lockup {
  --wm: clamp(3rem, 11.5vw, 9.5rem);
  display: flex; align-items: flex-end;
  gap: calc(var(--wm) * .3);
}
.hero__lockup .wordmark { font-size: var(--wm); }
.mark--hero { height: calc(var(--wm) * 1.36); width: auto; color: var(--ink); flex: none; }

.hero__lede {
  font-size: clamp(1.0625rem, 1.1vw + .85rem, 1.5rem);
  line-height: 1.45;
  color: var(--ink-2);
  max-width: 34ch;
  margin: clamp(2rem, 5vh, 3.5rem) 0 0;
  text-wrap: pretty;
}

.hero__foot {
  display: flex; gap: 1rem; flex-wrap: wrap;
  margin-top: clamp(3rem, 9vh, 6rem);
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

/* ── bands ─────────────────────────────────────────────────── */

.band {
  position: relative;
  padding: var(--band-y) var(--gutter);
  border-top: 1px solid var(--line);
  max-width: var(--maxw);
}
.band__body { margin-top: clamp(2.5rem, 6vw, 4.5rem); }

.cols2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 21rem), 1fr));
  gap: clamp(2rem, 5vw, 5rem);
}
.cols2 p { margin: 0; color: var(--ink-2); max-width: 46ch; }
.cols2 .cite { max-width: none; }
.cols2 em { font-style: italic; }

/* ── 03 value props ────────────────────────────────────────── */

.props {
  list-style: none; margin: 0; padding: 0;
  margin-top: clamp(2.5rem, 6vw, 4.5rem);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr));
  gap: clamp(2rem, 4vw, 3.5rem) clamp(2rem, 4vw, 4rem);
}
.props h3 { font-size: 1.125rem; font-weight: 500; margin: 0 0 .5rem; letter-spacing: -.005em; }
.props p  { margin: 0; color: var(--ink-2); }
.props li { padding-top: 1.1rem; border-top: 1px solid var(--line); }

/* ── 04 process mosaic ─────────────────────────────────────── */

.steps {
  list-style: none; margin: 0; padding: 0;
  margin-top: clamp(2.5rem, 6vw, 4.5rem);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(.5rem, .9vw, .9rem);
}

.step {
  background: var(--card);
  color: var(--card-ink);
  padding: clamp(1.1rem, 1.7vw, 1.6rem);
  min-height: 11rem;
  display: flex; flex-direction: column;
}
.step__n {
  display: block; text-align: center;
  font-size: .78rem; color: var(--card-ink-2);
  font-variant-numeric: tabular-nums;
}
.step__t {
  font-size: clamp(1.0625rem, 1.4vw, 1.375rem);
  font-weight: 400;
  margin: auto 0 .35rem;      /* pushes title + copy to the card's foot */
  letter-spacing: -.01em;
}
.step p { margin: 0; font-size: .875rem; line-height: 1.5; color: var(--card-ink-2); }

.step--wide { grid-column: 1 / -1; min-height: 8rem; }
.step--tall { grid-column: 1; grid-row: 2 / 4; }
.steps > li:nth-child(3) { grid-column: 2 / 4; grid-row: 2; }
.steps > li:nth-child(4) { grid-column: 2; grid-row: 3; }
.steps > li:nth-child(5) { grid-column: 3; grid-row: 3; }

/* ── deliverables block, inside "por qué nosotros" ─────────── */

/* text column narrower than the checklist, which needs the room */
.deliver {
  margin-top: clamp(3rem, 7vw, 5.5rem);
  padding-top: clamp(2rem, 4vw, 3rem);
  border-top: 1px solid var(--line);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 24rem), 1fr));
}
.deliver > div > p + p { margin-top: 1.1rem; }

.docs {
  list-style: none;
  margin: 0; padding: 0;
  counter-reset: doc;
}
.docs li {
  counter-increment: doc;
  display: grid;
  grid-template-columns: 2.4rem 1fr;
  gap: .5rem;
  padding: .85rem 0;
  border-top: 1px solid var(--line);
  color: var(--ink);
  font-size: .9375rem;
  line-height: 1.5;
}
.docs li::before {
  content: counter(doc, decimal-leading-zero);
  font-size: .78rem;
  color: var(--ink-3);
  font-variant-numeric: tabular-nums;
  padding-top: .18em;
}



.cite {
  margin: 1.5rem 0 0;
  font-size: .78rem; line-height: 1.55;
  color: var(--ink-3);
  max-width: 46ch;
}
.cite a { color: var(--ink-2); text-decoration: none; border-bottom: 1px solid var(--line); }
.cite a:hover { color: var(--ink); border-color: var(--ink); }

/* ── 05 services ───────────────────────────────────────────── */

.services {
  list-style: none; margin: 0; padding: 0;
  margin-top: clamp(2.5rem, 6vw, 4.5rem);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr));
  gap: clamp(1.5rem, 3vw, 2.75rem);
}
.service h3 {
  font-size: 1.125rem; font-weight: 500;
  margin: 0 0 1.25rem; min-height: 2.9em;
  letter-spacing: -.005em;
}
.service figure { margin: 0; overflow: hidden; background: #0e0e0e; }
.service img {
  width: 100%; height: auto;
  aspect-ratio: 3 / 4; object-fit: cover;
  filter: grayscale(1) contrast(1.06);
  transition: transform .8s cubic-bezier(.2, .7, .2, 1), filter .5s;
}
.service:hover img { transform: scale(1.03); filter: grayscale(1) contrast(1.14); }
.service p { margin: 1.1rem 0 0; color: var(--ink-2); font-size: .9375rem; }

/* ── 06 contact ────────────────────────────────────────────── */

.cols2--form { grid-template-columns: repeat(auto-fit, minmax(min(100%, 19rem), 1fr)); }

.cols2 .contact__lede {
  font-size: clamp(1rem, .6vw + .9rem, 1.25rem);
  color: var(--ink-2); max-width: 32ch; margin: 0 0 2.25rem;
}
.contact__meta { margin: 0; display: grid; grid-template-columns: 7.5rem 1fr; gap: .55rem 1rem; }
.contact__meta dt { color: var(--ink-3); font-size: .875rem; }
.contact__meta dd { margin: 0; font-size: .9375rem; }
.contact__meta a { text-decoration: none; border-bottom: 1px solid var(--line); }
.contact__meta a:hover { border-color: var(--ink); }

.form { display: grid; gap: 1.25rem; }
.field-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 11rem), 1fr)); gap: 1.25rem; }
.field { display: grid; gap: .4rem; }
.field label { font-size: .82rem; color: var(--ink-2); display: flex; gap: .5rem; align-items: baseline; }
.opt { color: var(--ink-3); font-size: .72rem; }

.field input, .field select, .field textarea {
  font: inherit; font-size: .9375rem;
  color: var(--ink);
  background: transparent;
  border: 0; border-bottom: 1px solid var(--line);
  padding: .5rem 0;
  border-radius: 0;
  transition: border-color .25s;
}
.field select { appearance: none; cursor: pointer; }
.field select option { background: #111; color: #fff; }
.field textarea { resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-bottom-color: var(--ink);
}
.field input:user-invalid, .field select:user-invalid { border-bottom-color: #ff6b6b; }

.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.consent { display: flex; gap: .65rem; align-items: flex-start; font-size: .82rem; color: var(--ink-2); }
.consent input { margin-top: .25rem; accent-color: #fff; flex: none; }
.consent a { color: var(--ink); }

.btn {
  font: inherit; font-size: .9375rem;
  background: var(--ink); color: var(--bg);
  border: 1px solid var(--ink);
  padding: .8rem 1.6rem;
  cursor: pointer; justify-self: start;
  transition: background .25s, color .25s;
}
.btn:hover:not(:disabled) { background: transparent; color: var(--ink); }
.btn:disabled { opacity: .5; cursor: progress; }

.form__status { margin: 0; font-size: .875rem; min-height: 1.4em; color: var(--ink-2); }
.form__status.ok  { color: #7ee0a5; }
.form__status.err { color: #ff8f8f; }

/* ── footer ────────────────────────────────────────────────── */

.foot {
  padding: var(--band-y) var(--gutter) clamp(2rem, 5vh, 3.5rem);
  border-top: 1px solid var(--line);
  max-width: var(--maxw);
}
.foot__lockup {
  --wm: clamp(2rem, 5.5vw, 4rem);
  display: flex; align-items: flex-end; gap: calc(var(--wm) * .3);
  margin-bottom: clamp(2.5rem, 6vh, 4rem);
}
.foot__lockup .wordmark { font-size: var(--wm); }
.mark--foot { height: calc(var(--wm) * 1.36); width: auto; color: var(--ink); flex: none; }

.foot__meta {
  display: flex; flex-wrap: wrap; gap: .5rem 1.75rem;
  padding-top: 1rem; border-top: 1px solid var(--line);
}

/* ── reveal ────────────────────────────────────────────────── */

.reveal { opacity: 0; transform: translateY(16px); }
.reveal.in {
  opacity: 1; transform: none;
  transition: opacity .7s cubic-bezier(.2, .7, .2, 1), transform .7s cubic-bezier(.2, .7, .2, 1);
}

/* ── responsive ────────────────────────────────────────────── */

@media (max-width: 60rem) {
  .topbar__nav a:not(.topbar__cta) { display: none; }
}

@media (max-width: 48rem) {
  .topbar__tag { display: none; }

  /* the mosaic can't hold three columns on a phone */
  .steps { grid-template-columns: 1fr; }
  .step, .step--wide, .step--tall,
  .steps > li:nth-child(3),
  .steps > li:nth-child(4),
  .steps > li:nth-child(5) { grid-column: auto; grid-row: auto; min-height: 0; }
  .step__t { margin-top: 1.5rem; }

  .service h3 { min-height: 0; }
  .contact__meta { grid-template-columns: 6rem 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal, .reveal.in { opacity: 1; transform: none; transition: none; }
  .display::after { transition: none; width: clamp(2.5rem, 4vw, 4rem); }
  .service img, .service:hover img { transition: none; transform: none; }
}