/* =========================================================
   RC Alliance — sitio informativo
   Dirección visual: tipografía a escala arquitectónica sobre
   lienzo de concreto, bordes hairline, sin sombras.
   ========================================================= */

:root {
  --concrete: #E4E2DD;
  --paper: #F3F2EE;
  --ink: #0F1A20;
  --ink-2: #33414A;
  --muted: #6B757B;
  --line: rgba(15, 26, 32, .16);
  --line-strong: rgba(15, 26, 32, .55);

  --petrol: #135C7A;
  --petrol-deep: #0B3A4F;
  --petrol-ink: #082C3C;
  --silver: #A7ACB0;
  --signal: #E5562E;
  --mint: #7FCDB7;
  --sand: #D6B46A;

  --display: "Inter Tight", "Helvetica Neue", Arial, sans-serif;
  --body: "Inter", "Helvetica Neue", Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --gutter: clamp(16px, 4vw, 48px);
  --max: 1360px;
  --radius: 4px;
  --ease: cubic-bezier(.2, .7, .1, 1);
}

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

html { scroll-behavior: smooth; scroll-padding-top: 88px; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--concrete);
  color: var(--ink);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3, h4, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
.mono { font-family: var(--mono); font-size: 12px; letter-spacing: .06em; text-transform: uppercase; }

.skip {
  position: absolute; left: 16px; top: -60px; z-index: 100;
  background: var(--ink); color: #fff; padding: 10px 16px; border-radius: 999px; text-decoration: none;
}
.skip:focus { top: 16px; }

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

/* ---------- Píldoras / botones ---------- */
.pill {
  display: inline-flex; align-items: center; gap: .55em;
  height: 46px; padding: 0 22px;
  border-radius: 999px; border: 1px solid transparent;
  font: 500 15px/1 var(--body); text-decoration: none; white-space: nowrap;
  transition: background-color .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease), transform .25s var(--ease);
}
.pill:hover { transform: translateY(-1px); }
.pill--dark { background: var(--ink); color: #fff; }
.pill--dark:hover { background: var(--petrol); }
.pill--brand { background: var(--petrol); color: #fff; }
.pill--brand:hover { background: var(--petrol-deep); }
.pill--ghost { border-color: var(--line-strong); color: var(--ink); }
.pill--ghost:hover { background: var(--ink); color: #fff; border-color: var(--ink); }
.pill--light { background: #fff; color: var(--petrol-ink); }
.pill--light:hover { background: var(--ink); color: #fff; }

/* ---------- Navegación ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--concrete) 86%, transparent);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease);
}
.nav.is-scrolled { border-bottom-color: var(--line); }
.nav__inner { display: flex; align-items: center; gap: 24px; height: 76px; }

.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.brand img { width: 40px; height: 40px; }
.brand__text { display: flex; flex-direction: column; line-height: 1; }
.brand__kicker { font: 500 10px/1 var(--mono); letter-spacing: .22em; text-transform: uppercase; color: var(--muted); }
.brand__name { font: 700 21px/1.05 var(--display); letter-spacing: -.02em; color: var(--petrol); margin-top: 3px; }
.brand--light .brand__kicker { color: rgba(255, 255, 255, .55); }
.brand--light .brand__name { color: #fff; }
.brand--light img { background: #fff; border-radius: 50%; }

.nav__links { display: flex; gap: 26px; margin-left: auto; }
.nav__links a { font-size: 14.5px; text-decoration: none; color: var(--ink-2); position: relative; padding: 4px 0; }
.nav__links a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 1px;
  background: var(--ink); transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease);
}
.nav__links a:hover::after, .nav__links a.is-active::after { transform: scaleX(1); }
.nav__links a.is-active { color: var(--ink); }
.nav__cta { height: 40px; padding: 0 18px; font-size: 14px; }

.nav__toggle {
  display: none; margin-left: auto; width: 44px; height: 44px; border-radius: 50%;
  border: 1px solid var(--line-strong); background: transparent; cursor: pointer; position: relative;
}
.nav__toggle span { position: absolute; left: 13px; right: 13px; height: 1.5px; background: var(--ink); transition: transform .3s var(--ease); }
.nav__toggle span:first-child { top: 17px; }
.nav__toggle span:last-child { top: 25px; }
.nav__toggle[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }

.menu-movil {
  display: flex; flex-direction: column; padding: 8px var(--gutter) 24px;
  border-top: 1px solid var(--line);
}
.menu-movil[hidden] { display: none; }
.menu-movil a {
  font: 600 28px/1.1 var(--display); letter-spacing: -.03em; text-decoration: none;
  padding: 14px 0; border-bottom: 1px solid var(--line);
}

/* ---------- Hero ---------- */
.hero { padding: clamp(40px, 7vw, 96px) 0 clamp(48px, 6vw, 80px); }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font: 500 12px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ink-2);
  padding: 9px 14px; border: 1px solid var(--line-strong); border-radius: 999px;
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--petrol); flex: none; }
.dot--live { background: var(--mint); box-shadow: 0 0 0 0 rgba(127, 205, 183, .7); animation: pulse 2.2s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 10px rgba(127, 205, 183, 0); } 100% { box-shadow: 0 0 0 0 rgba(127, 205, 183, 0); } }

.hero__title {
  font-family: var(--display); font-weight: 700;
  font-size: clamp(64px, 13.4vw, 212px);
  line-height: .8; letter-spacing: -.06em;
  margin: clamp(24px, 4vw, 44px) 0 clamp(32px, 5vw, 56px) -.04em;
  color: var(--ink);
}
.hero__title .line { display: block; }

.hero__top { position: relative; }
.seal {
  position: absolute; right: 0; top: 50%; transform: translateY(-46%);
  width: clamp(180px, 20vw, 280px); aspect-ratio: 1;
}
.seal__ring { width: 100%; height: 100%; animation: spin 40s linear infinite; }
.seal__ring text { font: 500 10.4px var(--mono); letter-spacing: .32em; fill: var(--ink-2); text-transform: uppercase; }
.seal__mark { position: absolute; inset: 24%; width: 52%; height: 52%; }
@keyframes spin { to { transform: rotate(360deg); } }
.hero__title .line--accent { color: var(--petrol); }

.hero__grid {
  display: grid; grid-template-columns: 5fr 7fr; gap: clamp(28px, 5vw, 72px);
  align-items: end; border-top: 1px solid var(--ink); padding-top: 28px;
}
.lead { font-size: clamp(18px, 1.6vw, 21px); line-height: 1.55; color: var(--ink-2); max-width: 34em; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

.hero__plan { background: var(--paper); border: 1px solid var(--line-strong); border-radius: var(--radius); padding: 18px 18px 12px; }
.hero__plan figcaption { color: var(--muted); margin-top: 10px; font-size: 10.5px; }

.blueprint { width: 100%; height: auto; overflow: visible; }
.bp-grid path { stroke: rgba(19, 92, 122, .12); stroke-width: 1; fill: none; }
.bp-draw path {
  fill: none; stroke: var(--ink); stroke-width: 1.6; stroke-linejoin: miter;
  stroke-dasharray: 1; stroke-dashoffset: 1;
}
.is-ready .bp-draw path { animation: draw 2.4s var(--ease) forwards; }
.is-ready .bp-draw path:nth-child(2) { animation-delay: .15s; }
.is-ready .bp-draw path:nth-child(3) { animation-delay: .3s; }
.is-ready .bp-draw path:nth-child(4) { animation-delay: .45s; }
.is-ready .bp-draw path:nth-child(5) { animation-delay: .55s; }
.is-ready .bp-draw path:nth-child(6) { animation-delay: .7s; }
.is-ready .bp-draw path:nth-child(7) { animation-delay: .85s; }
.is-ready .bp-draw path:nth-child(8) { animation-delay: 1s; }
.is-ready .bp-draw path:nth-child(9) { animation-delay: 1.1s; }
@keyframes draw { to { stroke-dashoffset: 0; } }

.bp-cross rect { fill: var(--petrol); }
.bp-cross path { stroke: #fff; stroke-width: 4; fill: none; }
.bp-cross { opacity: 0; transition: opacity .8s 1.6s var(--ease); }
.bp-dim path { stroke: var(--muted); stroke-width: 1; fill: none; }
.bp-dim text, .bp-tags text { font: 500 11px var(--mono); letter-spacing: .08em; fill: var(--ink-2); }
.bp-dim, .bp-tags { opacity: 0; transition: opacity .8s 2s var(--ease); }
.bp-tags circle { fill: var(--signal); }
.is-ready .bp-cross, .is-ready .bp-dim, .is-ready .bp-tags { opacity: 1; }

.hero__facts {
  display: grid; grid-template-columns: repeat(4, 1fr);
  margin-top: clamp(40px, 6vw, 72px); border-top: 1px solid var(--line-strong);
}
.hero__facts > div { padding: 18px 20px 0 0; border-right: 1px solid var(--line); }
.hero__facts > div + div { padding-left: 20px; }
.hero__facts > div:last-child { border-right: 0; }
.hero__facts dt { font: 500 11px/1.2 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.hero__facts dd { font: 600 18px/1.3 var(--display); letter-spacing: -.01em; margin-top: 8px; }

/* ---------- Cinta ---------- */
.ticker { background: var(--ink); color: #fff; overflow: hidden; border-block: 1px solid var(--ink); }
.ticker__track { display: flex; width: max-content; animation: marquee 38s linear infinite; }
.ticker span {
  font: 600 clamp(22px, 2.6vw, 34px)/1 var(--display); letter-spacing: -.02em;
  padding: 22px 0; white-space: nowrap; display: inline-flex; align-items: center;
}
.ticker span::after { content: ""; width: 10px; height: 10px; background: var(--petrol); border-radius: 50%; margin: 0 32px; }
.ticker span:nth-child(3n)::after { background: var(--signal); }
.ticker span:nth-child(3n+1)::after { background: var(--mint); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Secciones ---------- */
.section { padding: clamp(72px, 10vw, 140px) 0; border-top: 1px solid var(--line); }
.section--paper { background: var(--paper); }
.section--ink { background: var(--petrol-ink); color: #EAF1F4; border-top: 0; }
.section--brand { background: var(--petrol); color: #fff; border-top: 0; }

.section__head {
  display: grid; grid-template-columns: 120px 1fr; gap: 0 24px; align-items: start;
  margin-bottom: clamp(40px, 6vw, 72px);
}
.index { padding-top: 14px; color: var(--muted); }
.section--ink .index, .section--brand .index { color: rgba(255, 255, 255, .6); }
.section__title {
  font: 700 clamp(40px, 6.4vw, 96px)/.9 var(--display); letter-spacing: -.05em;
}
.section__intro {
  grid-column: 2; max-width: 40em; margin-top: 24px;
  font-size: clamp(17px, 1.4vw, 19px); color: var(--ink-2);
}
.section--ink .section__intro, .section--brand .section__intro { color: rgba(255, 255, 255, .82); }
.section__intro strong { font-weight: 600; color: var(--ink); }

.label { display: block; color: var(--muted); }
.label--light { color: rgba(255, 255, 255, .6); }

/* ---------- Nosotros ---------- */
.about { display: grid; grid-template-columns: 1fr 1fr 1fr; border-top: 1px solid var(--ink); }
.about__card { padding: 28px 28px 8px 0; border-right: 1px solid var(--line); }
.about__card + .about__card { padding-left: 28px; }
.about__card:last-child { border-right: 0; }
.about__card p { margin-top: 18px; font-size: 18px; line-height: 1.55; }
.values-intro { color: var(--ink-2); }
.values { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.values li {
  font: 500 14px/1 var(--body); padding: 10px 14px;
  border: 1px solid var(--line-strong); border-radius: 999px;
  transition: background-color .25s var(--ease), color .25s var(--ease);
}
.values li:hover { background: var(--petrol); color: #fff; border-color: var(--petrol); }

/* ---------- Servicios ---------- */
.services {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--ink); border-left: 1px solid var(--line);
}
.service {
  position: relative; padding: 28px 24px 32px; min-height: 300px;
  border-right: 1px solid var(--line); border-bottom: 1px solid var(--line);
  display: flex; flex-direction: column;
  transition: background-color .35s var(--ease), color .35s var(--ease);
}
.service__n { color: var(--muted); }
.service__icon {
  width: 44px; height: 44px; margin: 28px 0 auto;
  fill: none; stroke: var(--petrol); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
  transition: stroke .35s var(--ease), transform .35s var(--ease);
}
.service h3 { font: 600 23px/1.1 var(--display); letter-spacing: -.02em; margin-top: 36px; }
.service p { margin-top: 12px; font-size: 15.5px; line-height: 1.55; color: var(--ink-2); }
.service:hover { background: var(--ink); color: #fff; }
.service:hover p, .service:hover .service__n { color: rgba(255, 255, 255, .72); }
.service:hover .service__icon { stroke: var(--mint); transform: translateY(-4px); }
.service--brand { background: var(--petrol); color: #fff; }
.service--brand p, .service--brand .service__n { color: rgba(255, 255, 255, .78); }
.service--brand .service__icon { stroke: #fff; }

/* ---------- Proyecto ---------- */
.project { border-top: 1px solid rgba(255, 255, 255, .35); padding-top: 32px; }
.badge {
  display: inline-flex; align-items: center; gap: 10px;
  font: 500 12px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase;
  padding: 9px 14px; border: 1px solid rgba(255, 255, 255, .35); border-radius: 999px;
}
.project__title {
  font: 700 clamp(44px, 8vw, 128px)/.86 var(--display); letter-spacing: -.055em;
  margin-top: 28px; color: #fff;
}
.project__place { margin-top: 18px; color: var(--mint); }
.project__grid { display: grid; grid-template-columns: 7fr 5fr; gap: clamp(32px, 6vw, 88px); margin-top: clamp(40px, 5vw, 64px); }
.project__lead { font-size: clamp(19px, 1.7vw, 23px); line-height: 1.5; color: #fff; }
.project__body p + p { margin-top: 18px; color: rgba(234, 241, 244, .78); }
.project__body h4 { margin-top: 40px; }
.scope { margin-top: 14px; border-top: 1px solid rgba(255, 255, 255, .2); }
.scope li {
  display: flex; gap: 14px; align-items: baseline; padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .2); font-size: 16.5px;
}
.scope li::before { content: "→"; color: var(--mint); font-family: var(--mono); }

.project__sheet { align-self: start; background: #fff; color: var(--ink); border-radius: var(--radius); padding: 8px 24px; position: sticky; top: 100px; }
.project__sheet dl > div { padding: 18px 0; border-bottom: 1px solid var(--line); }
.project__sheet dl > div:last-child { border-bottom: 0; }
.project__sheet dt { font: 500 11px/1.2 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.project__sheet dd { font: 600 18px/1.3 var(--display); letter-spacing: -.01em; margin-top: 6px; }

.stats {
  display: grid; grid-template-columns: 1.8fr 1fr 1fr 1fr;
  margin-top: clamp(64px, 8vw, 112px); border-top: 1px solid rgba(255, 255, 255, .35);
}
.stat { padding: 28px 24px 0 0; border-right: 1px solid rgba(255, 255, 255, .18); }
.stat + .stat { padding-left: 24px; }
.stat:last-child { border-right: 0; }
.stat__n {
  display: block; font: 700 clamp(48px, 6vw, 92px)/.9 var(--display); letter-spacing: -.05em;
  color: #fff; font-variant-numeric: tabular-nums; white-space: nowrap;
}
.stat__l { display: block; margin-top: 16px; font-size: 15px; line-height: 1.5; color: rgba(234, 241, 244, .72); max-width: 22em; }

/* ---------- Presencia ---------- */
.presence__grid { display: grid; grid-template-columns: 7fr 5fr; gap: clamp(32px, 5vw, 72px); align-items: start; }
.map { background: var(--paper); border: 1px solid var(--line-strong); border-radius: var(--radius); padding: clamp(14px, 2vw, 24px); }
.map svg { width: 100%; height: auto; overflow: visible; }
.map__country { fill: #D5D3CD; stroke: var(--ink); stroke-width: 1; stroke-linejoin: round; }
.map__focus { fill: none; stroke: var(--signal); stroke-width: 1.5; }
.map__callout { stroke: var(--signal); stroke-width: 1; stroke-dasharray: 3 4; fill: none; }
.map__inset { fill: #fff; stroke: var(--ink); stroke-width: 1; }
.map__grid { stroke: rgba(15, 26, 32, .12); stroke-width: 1; fill: none; }
.map__coord { font: 500 9.5px var(--mono); fill: var(--muted); letter-spacing: .04em; }
.map__caption { font: 500 10.5px var(--mono); fill: var(--ink-2); letter-spacing: .12em; }
.pin circle { stroke: #fff; stroke-width: 2.5; }
.pin text { font: 600 15px var(--display); fill: var(--ink); letter-spacing: -.01em; }
.pin--chu circle { fill: var(--petrol); }
.pin--sul circle { fill: var(--signal); }
.pin--cas circle { fill: var(--mint); }
.pin--lim circle { fill: var(--sand); }
.pin--lim text { font-size: 13px; }

.places { border-top: 1px solid var(--ink); }
.place { display: flex; gap: 18px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.place__swatch { width: 14px; height: 14px; border-radius: 50%; background: var(--c); flex: none; margin-top: 6px; }
.place h3 { font: 600 22px/1.15 var(--display); letter-spacing: -.02em; }
.place p { margin-top: 6px; color: var(--ink-2); font-size: 15.5px; }

/* ---------- Método ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--ink); counter-reset: step; }
.step { padding: 28px 28px 40px 0; border-bottom: 1px solid var(--line); }
.step:not(:nth-child(3n)) { border-right: 1px solid var(--line); }
.step:not(:nth-child(3n+1)) { padding-left: 28px; }
.step__n { display: block; font: 700 64px/.9 var(--display); letter-spacing: -.05em; color: transparent; -webkit-text-stroke: 1.2px var(--petrol); }
.step h3 { font: 600 23px/1.15 var(--display); letter-spacing: -.02em; margin-top: 28px; }
.step p { margin-top: 10px; font-size: 15.5px; color: var(--ink-2); }
.step:hover .step__n { color: var(--petrol); }
.step__n { transition: color .35s var(--ease); }

/* ---------- Trayectoria ---------- */
.timeline { border-top: 1px solid var(--ink); }
.timeline li {
  display: grid; grid-template-columns: 220px 1fr; gap: 24px;
  padding: 28px 0; border-bottom: 1px solid var(--line); align-items: baseline;
}
.timeline__date { font-size: 13px; color: var(--petrol); font-weight: 500; }
.timeline h3 { font: 600 clamp(24px, 2.6vw, 36px)/1.05 var(--display); letter-spacing: -.03em; }
.timeline p { margin-top: 8px; color: var(--ink-2); max-width: 46em; }

/* ---------- Talento ---------- */
.roles { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid rgba(255, 255, 255, .45); }
.roles li {
  display: flex; flex-direction: column; gap: 14px;
  padding: 24px 24px 28px 0; border-bottom: 1px solid rgba(255, 255, 255, .25);
  font: 600 clamp(22px, 2.2vw, 30px)/1.1 var(--display); letter-spacing: -.025em;
}
.roles li:not(:nth-child(3n)) { border-right: 1px solid rgba(255, 255, 255, .25); }
.roles li:not(:nth-child(3n+1)) { padding-left: 24px; }
.roles .mono { color: rgba(255, 255, 255, .65); font-weight: 400; }
.talent__foot { display: flex; flex-wrap: wrap; gap: 20px 32px; align-items: center; justify-content: space-between; margin-top: 40px; }
.talent__foot p { max-width: 36em; color: rgba(255, 255, 255, .85); }

/* ---------- Contacto ---------- */
.contact__grid { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(32px, 5vw, 72px); align-items: stretch; }
.contact__info dl { border-top: 1px solid var(--ink); margin-bottom: 28px; }
.contact__info dl > div { padding: 20px 0; border-bottom: 1px solid var(--line); }
.contact__info dd { font: 600 clamp(20px, 1.9vw, 26px)/1.3 var(--display); letter-spacing: -.02em; margin-top: 8px; }
.contact__map { min-height: 380px; border: 1px solid var(--line-strong); border-radius: var(--radius); overflow: hidden; background: var(--paper); }
.contact__map iframe { width: 100%; height: 100%; min-height: 380px; border: 0; filter: grayscale(.85) contrast(1.05); }

/* ---------- Pie ---------- */
.footer { background: var(--ink); color: #fff; padding: clamp(48px, 7vw, 96px) 0 32px; overflow: hidden; }
.footer__giant {
  font: 700 clamp(64px, 16vw, 260px)/.8 var(--display); letter-spacing: -.07em;
  color: transparent; -webkit-text-stroke: 1px rgba(255, 255, 255, .28);
  white-space: nowrap; margin-left: -.04em;
}
.footer__row {
  display: flex; flex-wrap: wrap; gap: 16px 32px; align-items: center; justify-content: space-between;
  margin-top: clamp(32px, 5vw, 56px); padding-top: 24px; border-top: 1px solid rgba(255, 255, 255, .18);
}
.footer__legal { color: rgba(255, 255, 255, .55); font-size: 11px; }

/* ---------- Animación de entrada ---------- */
/* Hero: animación al cargar (no depende de JS ni del scroll) */
.rise { animation: rise 1s var(--ease) both; }
.rise--2 { animation-delay: .08s; }
.rise--3 { animation-delay: .22s; }
.rise--4 { animation-delay: .32s; }
.rise--5 { animation-delay: .44s; }
@keyframes rise { from { opacity: 0; transform: translateY(28px); } to { opacity: 1; transform: none; } }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .nav__links { display: none; }
  .nav__toggle { display: block; }
  .nav__cta { display: none; }
  .services { grid-template-columns: repeat(2, 1fr); }
  .service { min-height: 260px; }
}

@media (max-width: 1100px) {
  .seal { display: none; }
}

@media (max-width: 900px) {
  .hero__grid, .project__grid, .presence__grid, .contact__grid { grid-template-columns: 1fr; }
  .hero__facts, .stats { grid-template-columns: 1fr 1fr; }
  .hero__facts > div, .stat { padding: 18px 16px 20px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .stat { border-bottom-color: rgba(255, 255, 255, .18); }
  .hero__facts > div + div, .stat + .stat { padding-left: 0; }
  .hero__facts > div:nth-child(even), .stat:nth-child(even) { padding-left: 16px; border-left: 1px solid var(--line); }
  .stat:nth-child(even) { border-left-color: rgba(255, 255, 255, .18); }
  .about { grid-template-columns: 1fr; }
  .about__card, .about__card + .about__card { padding: 24px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .steps, .roles { grid-template-columns: 1fr 1fr; }
  .step, .step:not(:nth-child(3n+1)) { padding: 24px 20px 32px 0; border-right: 0; }
  .step:nth-child(odd) { border-right: 1px solid var(--line); }
  .step:nth-child(even) { padding-left: 20px; }
  .roles li, .roles li:not(:nth-child(3n+1)) { padding: 20px 16px 24px 0; border-right: 0; }
  .roles li:nth-child(odd) { border-right: 1px solid rgba(255, 255, 255, .25); }
  .roles li:nth-child(even) { padding-left: 16px; }
  .project__sheet { position: static; }
  .section__head { grid-template-columns: 1fr; }
  .index { padding-top: 0; margin-bottom: 14px; }
  .section__intro { grid-column: 1; }
  .timeline li { grid-template-columns: 1fr; gap: 8px; }
}

@media (max-width: 600px) {
  body { font-size: 16px; }
  .hero__title { font-size: clamp(54px, 17vw, 96px); }
  .services, .steps, .roles { grid-template-columns: 1fr; }
  .service { min-height: 0; }
  .service h3 { margin-top: 24px; }
  .step, .step:nth-child(odd), .step:nth-child(even) { padding: 24px 0 28px; border-right: 0; }
  .roles li, .roles li:nth-child(odd), .roles li:nth-child(even) { padding: 18px 0 20px; border-right: 0; }
  .hero__facts dd { font-size: 16px; }
  .stat__n { font-size: 44px; }
  .hero__actions .pill { flex: 1 1 auto; justify-content: center; }
  .contact__map, .contact__map iframe { min-height: 300px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .rise { animation: none; }
  .ticker__track, .seal__ring { animation: none; }
  .bp-draw path { stroke-dashoffset: 0; animation: none !important; }
  .bp-cross, .bp-dim, .bp-tags { opacity: 1; transition: none; }
  .dot--live { animation: none; }
}