/* ===== Bengara Labs — landing ===== */
:root {
  --ink:        #07090a;
  --ink-soft:   #1b2023;
  --paper:      #fbfbfa;
  --paper-2:    #f4f5f4;
  --line:       #e5e7e5;
  --line-2:     #d9dcda;
  --muted:      #5d6562;
  --accent:     #587880;   /* slate-teal del logo */
  --accent-dk:  #3f5c63;
  --accent-lt:  #7ea0a8;
  --accent-wash:#eef2f2;

  --radius:     18px;
  --radius-sm:  12px;
  --maxw:       1140px;
  --header-h:   76px;

  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body:    'Inter', system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', ui-monospace, monospace;

  --ease:     cubic-bezier(.22, .61, .36, 1);
  --ease-out: cubic-bezier(.16, 1, .3, 1);

  --shadow:   0 24px 60px -34px rgba(20, 40, 45, .45);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 18px); /* compensa el header sticky en los anchors */
  -webkit-text-size-adjust: 100%;
}

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

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}
::selection { background: var(--accent); color: #fff; }

.skip-link {
  position: absolute; left: 16px; top: -60px; z-index: 100;
  background: var(--ink); color: var(--paper);
  padding: 10px 16px; border-radius: 8px; font-size: 14px;
  transition: top .25s var(--ease);
}
.skip-link:focus { top: 16px; }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: 24px;
}

/* ---------- shared bits ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--font-mono); font-size: 13px;
  letter-spacing: .04em; text-transform: uppercase;
  color: var(--accent-dk); margin-bottom: 22px;
}
.eyebrow--center { justify-content: center; width: 100%; color: var(--muted); }
.eyebrow--light  { color: var(--accent-lt); }

.node-line {
  width: 34px; height: 1px; background: currentColor;
  position: relative; opacity: .65;
}
.node-line::before, .node-line::after {
  content: ""; position: absolute; top: 50%;
  width: 5px; height: 5px; border-radius: 50%;
  background: currentColor; transform: translateY(-50%);
}
.node-line::before { left: -1px; }
.node-line::after  { right: -1px; }

.accent-dot { color: var(--accent); }
.ext { font-size: .8em; margin-left: .25em; opacity: .8; }

.btn {
  --pad-y: 15px; --pad-x: 28px;
  position: relative;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: var(--pad-y) var(--pad-x);
  border-radius: 999px;
  font-family: var(--font-display); font-weight: 500; font-size: 16px;
  letter-spacing: -.01em; cursor: pointer;
  transition: transform .3s var(--ease-out), background .3s var(--ease),
              box-shadow .3s var(--ease), border-color .3s var(--ease), color .3s var(--ease);
  border: 1px solid transparent; will-change: transform;
}
.btn__arrow { display: inline-block; transition: transform .3s var(--ease-out); }
.btn:hover .btn__arrow { transform: translateX(4px); }
.btn--primary { background: var(--ink); color: var(--paper); }
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 16px 34px -12px rgba(7,9,10,.55); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line-2); }
.btn--ghost:hover { border-color: var(--accent); color: var(--accent-dk); transform: translateY(-2px); background: var(--accent-wash); }
.btn--light { background: var(--paper); color: var(--ink); font-family: var(--font-mono); font-size: 17px; }
.btn--light:hover { transform: translateY(-2px); box-shadow: 0 18px 40px -16px rgba(0,0,0,.5); }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(251,251,250,.72);
  backdrop-filter: saturate(160%) blur(16px);
  -webkit-backdrop-filter: saturate(160%) blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color .35s var(--ease), background .35s var(--ease);
}
.site-header.is-scrolled { border-bottom-color: var(--line); background: rgba(251,251,250,.9); }
.header__inner {
  display: flex; align-items: center; justify-content: space-between;
  height: var(--header-h); transition: height .35s var(--ease);
}
.site-header.is-scrolled .header__inner { height: 64px; }
.brand { display: inline-flex; align-items: center; }
.brand__logo { height: 34px; width: auto; transition: height .35s var(--ease); }
.site-header.is-scrolled .brand__logo { height: 30px; }

.nav { display: flex; align-items: center; gap: 28px; }
.nav a:not(.nav__cta) {
  position: relative; font-size: 15px; font-weight: 500; color: var(--ink-soft);
  transition: color .25s var(--ease); padding: 4px 0;
}
.nav a:not(.nav__cta)::after {
  content: ""; position: absolute; left: 0; bottom: -2px;
  width: 100%; height: 1.5px; background: var(--accent);
  transform: scaleX(0); transform-origin: left;
  transition: transform .3s var(--ease-out);
}
.nav a:not(.nav__cta):hover { color: var(--accent-dk); }
.nav a:not(.nav__cta):hover::after, .nav a.is-active::after { transform: scaleX(1); }
.nav a.is-active { color: var(--accent-dk); }
.nav__cta {
  background: var(--ink); color: var(--paper);
  padding: 10px 20px; border-radius: 999px; font-weight: 600; font-size: 15px;
  transition: transform .25s var(--ease-out), background .25s var(--ease), box-shadow .25s var(--ease);
}
.nav__cta:hover { transform: translateY(-1px); background: var(--accent-dk); box-shadow: 0 10px 22px -10px rgba(63,92,99,.7); }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--ink); border-radius: 2px; transition: transform .3s var(--ease), opacity .3s var(--ease); }

/* ---------- hero ---------- */
.hero { position: relative; overflow: hidden; padding: clamp(68px, 11vw, 138px) 0 clamp(56px, 9vw, 104px); }
.hero__bg { position: absolute; inset: 0; z-index: 0; }
.hero__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(88,120,128,.07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(88,120,128,.07) 1px, transparent 1px);
  background-size: 58px 58px;
  -webkit-mask-image: radial-gradient(125% 90% at 72% 0%, #000 0%, transparent 70%);
          mask-image: radial-gradient(125% 90% at 72% 0%, #000 0%, transparent 70%);
}
.hero__glow {
  position: absolute; top: -18%; right: -8%;
  width: min(720px, 70vw); height: min(720px, 70vw);
  background: radial-gradient(circle at center, rgba(88,120,128,.20), rgba(88,120,128,0) 62%);
  filter: blur(8px); animation: drift 18s var(--ease) infinite alternate;
}
@keyframes drift { from { transform: translate3d(0,0,0) scale(1); } to { transform: translate3d(-40px,36px,0) scale(1.08); } }

.hero__inner { position: relative; z-index: 1; max-width: 880px; }
.hero__title { font-family: var(--font-display); font-weight: 600; font-size: clamp(2.4rem, 6vw, 4.4rem); line-height: 1.04; letter-spacing: -.03em; }
.hero__lead { margin-top: 26px; font-size: clamp(1.05rem, 2.2vw, 1.32rem); color: var(--muted); max-width: 640px; }
.hero__lead strong { color: var(--ink); font-weight: 600; }
.hero__actions { margin-top: 38px; display: flex; flex-wrap: wrap; gap: 14px; }

.hero__stats { list-style: none; display: flex; flex-wrap: wrap; gap: 40px; margin-top: 56px; padding-top: 32px; border-top: 1px solid var(--line); }
.hero__stats li { display: flex; flex-direction: column; gap: 3px; }
.stat__num { font-family: var(--font-display); font-weight: 600; font-size: 1.5rem; letter-spacing: -.02em; }
.stat__label { font-family: var(--font-mono); font-size: 12.5px; color: var(--muted); text-transform: uppercase; letter-spacing: .03em; }

.hero__inner > * { animation: rise .8s var(--ease-out) both; }
.hero__inner > *:nth-child(1) { animation-delay: .05s; }
.hero__inner > *:nth-child(2) { animation-delay: .12s; }
.hero__inner > *:nth-child(3) { animation-delay: .19s; }
.hero__inner > *:nth-child(4) { animation-delay: .26s; }
.hero__inner > *:nth-child(5) { animation-delay: .33s; }
@keyframes rise { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }

/* ---------- clients strip ---------- */
.clients { border-block: 1px solid var(--line); background: var(--paper-2); }
.clients__inner { display: flex; flex-wrap: wrap; align-items: center; gap: 18px 40px; padding-block: 26px; }
.clients__label {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 12.5px; text-transform: uppercase;
  letter-spacing: .04em; color: var(--muted); white-space: nowrap;
}
.clients__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 0 rgba(88,120,128,.5); animation: pulse 2.4s var(--ease) infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(88,120,128,.45); } 70% { box-shadow: 0 0 0 9px rgba(88,120,128,0); } 100% { box-shadow: 0 0 0 0 rgba(88,120,128,0); } }
.clients__list { list-style: none; display: flex; flex-wrap: wrap; align-items: center; gap: 14px 32px; margin-left: auto; }
.clients__list a {
  font-family: var(--font-display); font-weight: 600; font-size: 1.18rem;
  letter-spacing: -.02em; color: var(--ink-soft);
  display: inline-flex; align-items: center;
  transition: color .25s var(--ease), transform .25s var(--ease-out);
}
.clients__list a:hover { color: var(--accent-dk); transform: translateY(-2px); }

/* ---------- sections ---------- */
.section { padding: clamp(64px, 10vw, 116px) 0; }
.section--alt { background: var(--paper-2); border-block: 1px solid var(--line); }
.section__head { max-width: 660px; margin-bottom: 52px; }
.section__head--center { max-width: 720px; margin-inline: auto; text-align: center; }
.section__title { font-family: var(--font-display); font-weight: 600; font-size: clamp(1.8rem, 4vw, 2.7rem); line-height: 1.1; letter-spacing: -.025em; }
.section__sub { margin-top: 18px; color: var(--muted); font-size: 1.08rem; }

/* ---------- about ---------- */
.about { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.about__intro .section__title { font-size: clamp(1.9rem, 4.2vw, 2.9rem); }
.about__body p { color: var(--muted); font-size: 1.1rem; margin-bottom: 18px; }
.about__pillars { list-style: none; margin-top: 28px; display: grid; gap: 12px; }
.about__pillars li { display: flex; align-items: baseline; gap: 14px; font-family: var(--font-display); font-weight: 500; font-size: 1.05rem; color: var(--ink); padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.pillar__k { font-family: var(--font-mono); font-size: 13px; color: var(--accent-dk); }

/* ---------- cards (servicios) ---------- */
.cards { display: grid; gap: 20px; }
.cards--services { grid-template-columns: repeat(2, 1fr); }
.card {
  position: relative; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 34px 32px 30px; overflow: hidden;
  transition: transform .4s var(--ease-out), border-color .4s var(--ease), box-shadow .4s var(--ease);
}
.card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-lt));
  transform: scaleX(0); transform-origin: left; transition: transform .45s var(--ease-out);
}
.card:hover { transform: translateY(-5px); border-color: var(--accent-lt); box-shadow: var(--shadow); }
.card:hover::before { transform: scaleX(1); }
.card__index { font-family: var(--font-mono); font-size: 13px; color: var(--accent); letter-spacing: .05em; }
.card__title { font-family: var(--font-display); font-weight: 600; font-size: 1.32rem; letter-spacing: -.02em; margin: 14px 0 10px; }
.card__text { color: var(--muted); font-size: 1rem; }
.card__list { list-style: none; margin-top: 18px; padding-top: 18px; border-top: 1px solid var(--line); display: grid; gap: 9px; }
.card__list li { position: relative; padding-left: 22px; font-size: .94rem; color: var(--ink-soft); }
.card__list li::before { content: ""; position: absolute; left: 3px; top: .26em; width: 5px; height: 9px; border-right: 1.7px solid var(--accent); border-bottom: 1.7px solid var(--accent); transform: rotate(45deg); }

/* ---------- hardware / split ---------- */
.split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.split__text .section__sub { font-size: 1.12rem; }
.hardware__case {
  margin: 26px 0 28px; padding: 20px 22px; border-radius: var(--radius-sm);
  background: var(--accent-wash); border: 1px solid #dfe8e8; color: var(--ink-soft); font-size: 1rem;
}
.hardware__case strong { color: var(--ink); }
.hardware__case-tag {
  display: inline-block; font-family: var(--font-mono); font-size: 11px; text-transform: uppercase;
  letter-spacing: .06em; color: var(--accent-dk); margin-bottom: 8px;
}
.split__specs { list-style: none; display: grid; gap: 0; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff; }
.split__specs li { display: grid; grid-template-columns: 130px 1fr; gap: 18px; padding: 20px 24px; border-bottom: 1px solid var(--line); align-items: baseline; }
.split__specs li:last-child { border-bottom: 0; }
.spec__k { font-family: var(--font-mono); font-size: 13px; text-transform: uppercase; letter-spacing: .04em; color: var(--accent-dk); }
.spec__v { color: var(--muted); font-size: .98rem; }

/* ---------- projects ---------- */
.cards--projects { grid-template-columns: repeat(3, 1fr); }
.project {
  position: relative; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 26px 28px 28px;
  display: flex; flex-direction: column; overflow: hidden;
  transition: transform .4s var(--ease-out), border-color .4s var(--ease), box-shadow .4s var(--ease);
}
.project::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-lt));
  transform: scaleX(0); transform-origin: left; transition: transform .45s var(--ease-out);
}
.project:hover { transform: translateY(-5px); border-color: var(--accent-lt); box-shadow: var(--shadow); }
.project:hover::before { transform: scaleX(1); }
.project__top { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
.project__tag { font-family: var(--font-mono); font-size: 11.5px; text-transform: uppercase; letter-spacing: .06em; color: var(--accent-dk); background: var(--accent-wash); padding: 5px 11px; border-radius: 999px; white-space: nowrap; }
.project__link { font-family: var(--font-mono); font-size: 12px; color: var(--muted); white-space: nowrap; transition: color .2s var(--ease); }
.project__link:hover { color: var(--accent-dk); }
.project__name { font-family: var(--font-display); font-weight: 600; font-size: 1.45rem; letter-spacing: -.02em; margin-bottom: 10px; }
.project__name a { transition: color .2s var(--ease); }
.project__name a:hover { color: var(--accent-dk); }
.project__text { color: var(--muted); font-size: .98rem; }
.project__features { list-style: none; margin: 18px 0 0; padding-top: 16px; border-top: 1px solid var(--line); display: grid; gap: 8px; }
.project__features li { position: relative; padding-left: 20px; font-size: .9rem; color: var(--ink-soft); }
.project__features li::before { content: ""; position: absolute; left: 3px; top: .2em; width: 4.5px; height: 8px; border-right: 1.6px solid var(--accent); border-bottom: 1.6px solid var(--accent); transform: rotate(45deg); }
.project__stack { margin-top: 16px; font-family: var(--font-mono); font-size: 12px; color: var(--muted); letter-spacing: .01em; }

/* ---------- sectors ---------- */
.sectors { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.sector { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 26px; transition: transform .35s var(--ease-out), border-color .35s var(--ease), box-shadow .35s var(--ease); }
.sector:hover { transform: translateY(-4px); border-color: var(--accent-lt); box-shadow: var(--shadow); }
.sector h3 { font-family: var(--font-display); font-weight: 600; font-size: 1.12rem; letter-spacing: -.01em; margin-bottom: 7px; }
.sector p { color: var(--muted); font-size: .95rem; }

/* ---------- steps ---------- */
.steps { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.step { padding: 28px 26px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; position: relative; transition: transform .4s var(--ease-out), border-color .4s var(--ease), box-shadow .4s var(--ease); }
.step:hover { transform: translateY(-4px); border-color: var(--accent-lt); box-shadow: var(--shadow); }
.step__num { font-family: var(--font-mono); font-weight: 500; font-size: 14px; color: var(--accent); display: inline-block; margin-bottom: 18px; padding-bottom: 12px; border-bottom: 1px solid var(--line); width: 100%; }
.step__title { font-family: var(--font-display); font-weight: 600; font-size: 1.2rem; letter-spacing: -.02em; margin-bottom: 8px; }
.step__text { color: var(--muted); font-size: .96rem; }
.step__deliver { display: block; margin-top: 16px; font-family: var(--font-mono); font-size: 11.5px; color: var(--accent-dk); letter-spacing: .02em; }

/* ---------- why ---------- */
.cards--why { grid-template-columns: repeat(4, 1fr); }
.why { padding: 30px 28px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; transition: transform .4s var(--ease-out), border-color .4s var(--ease), box-shadow .4s var(--ease); }
.why:hover { transform: translateY(-4px); border-color: var(--accent-lt); box-shadow: var(--shadow); }
.why__title { font-family: var(--font-display); font-weight: 600; font-size: 1.18rem; letter-spacing: -.02em; margin-bottom: 10px; }
.why__title::before { content: "—"; color: var(--accent); margin-right: 8px; }
.why__text { color: var(--muted); font-size: .96rem; }

/* ---------- stack ---------- */
.stack__groups { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.stack__group { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 22px; }
.stack__label { display: block; font-family: var(--font-mono); font-size: 12px; text-transform: uppercase; letter-spacing: .05em; color: var(--accent-dk); padding-bottom: 14px; margin-bottom: 14px; border-bottom: 1px solid var(--line); }
.stack__group ul { list-style: none; display: grid; gap: 8px; }
.stack__group li { font-size: .96rem; color: var(--ink-soft); }

/* ---------- faq ---------- */
.faq { max-width: 820px; }
.faq__list { display: grid; gap: 0; border-top: 1px solid var(--line); }
.faq__item { border-bottom: 1px solid var(--line); }
.faq__item summary {
  list-style: none; cursor: pointer; padding: 24px 44px 24px 0; position: relative;
  font-family: var(--font-display); font-weight: 500; font-size: 1.14rem; letter-spacing: -.01em;
  color: var(--ink); transition: color .2s var(--ease);
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary:hover { color: var(--accent-dk); }
.faq__item summary::after {
  content: ""; position: absolute; right: 4px; top: 50%; width: 13px; height: 13px;
  background:
    linear-gradient(var(--accent), var(--accent)) center/13px 1.6px no-repeat,
    linear-gradient(var(--accent), var(--accent)) center/1.6px 13px no-repeat;
  transform: translateY(-50%) rotate(0deg); transition: transform .3s var(--ease-out);
}
.faq__item[open] summary::after { transform: translateY(-50%) rotate(135deg); }
.faq__item p { color: var(--muted); font-size: 1rem; padding: 0 44px 26px 0; margin-top: -4px; }

/* ---------- CTA ---------- */
.cta { position: relative; overflow: hidden; background: var(--ink); color: var(--paper); padding: clamp(72px, 11vw, 128px) 0; text-align: center; }
.cta__grid {
  position: absolute; inset: 0; z-index: 0;
  background-image:
    linear-gradient(to right, rgba(126,160,168,.12) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(126,160,168,.12) 1px, transparent 1px);
  background-size: 58px 58px;
  -webkit-mask-image: radial-gradient(80% 100% at 50% 0%, #000 0%, transparent 75%);
          mask-image: radial-gradient(80% 100% at 50% 0%, #000 0%, transparent 75%);
}
.cta::after { content: ""; position: absolute; z-index: 0; bottom: -40%; left: 50%; transform: translateX(-50%); width: min(900px, 90vw); height: min(640px, 60vw); background: radial-gradient(circle at center, rgba(88,120,128,.34), rgba(88,120,128,0) 64%); filter: blur(6px); }
.cta__inner { position: relative; z-index: 1; max-width: 720px; }
.cta__title { font-family: var(--font-display); font-weight: 600; font-size: clamp(1.9rem, 4.5vw, 3rem); line-height: 1.08; letter-spacing: -.025em; }
.cta__text { margin: 20px auto 36px; color: #b9c2c4; font-size: 1.12rem; max-width: 540px; }
.cta__note { margin-top: 22px; font-family: var(--font-mono); font-size: 12.5px; color: #8b9698; letter-spacing: .02em; }

/* ---------- footer ---------- */
.footer { background: var(--paper-2); border-top: 1px solid var(--line); padding: 64px 0 36px; }
.footer__inner { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 32px; }
.footer__logo { height: 44px; width: auto; }
.footer__pitch { color: var(--muted); font-size: .96rem; margin-top: 20px; max-width: 320px; }
.footer__col { display: flex; flex-direction: column; gap: 12px; }
.footer__head { font-family: var(--font-mono); font-size: 12px; text-transform: uppercase; letter-spacing: .05em; color: var(--ink); margin-bottom: 4px; }
.footer__col a { font-size: 15px; color: var(--muted); transition: color .2s var(--ease); }
.footer__col a:hover { color: var(--accent-dk); }
.footer__legal { display: flex; flex-wrap: wrap; gap: 14px; justify-content: space-between; margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--line); font-family: var(--font-mono); font-size: 12.5px; color: var(--muted); }

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease-out), transform .7s var(--ease-out); }
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .reveal { opacity: 1; transform: none; }
  .hero__glow, .clients__dot { animation: none; }
}

/* ---------- responsive ---------- */
@media (max-width: 980px) {
  .stack__groups { grid-template-columns: repeat(3, 1fr); }
  .cards--why { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .cards--services { grid-template-columns: 1fr; }
  .cards--projects { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .sectors { grid-template-columns: repeat(2, 1fr); }
  .about { grid-template-columns: 1fr; gap: 28px; }
  .split { grid-template-columns: 1fr; gap: 36px; }
  .footer__inner { grid-template-columns: 1fr 1fr; gap: 36px 24px; }
}
@media (max-width: 720px) {
  body { font-size: 16px; }
  .nav { display: none; }
  .nav-toggle { display: flex; }
  .site-header.nav-open .nav {
    display: flex; flex-direction: column; align-items: flex-start;
    position: absolute; top: var(--header-h); left: 0; right: 0;
    background: var(--paper); border-bottom: 1px solid var(--line);
    padding: 20px 24px; gap: 18px; animation: rise .35s var(--ease-out) both;
  }
  .site-header.nav-open .nav__cta { width: 100%; }
  .site-header.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .site-header.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
  .site-header.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .cards--projects { grid-template-columns: 1fr; }
  .cards--why { grid-template-columns: 1fr; }
  .sectors { grid-template-columns: 1fr; }
  .stack__groups { grid-template-columns: repeat(2, 1fr); }
  .hero__stats { gap: 24px 32px; }
  .clients__inner { flex-direction: column; align-items: flex-start; gap: 16px; }
  .clients__list { margin-left: 0; }
  .footer__inner { grid-template-columns: 1fr; gap: 28px; }
  .footer__legal { flex-direction: column; gap: 8px; }
  .split__specs li { grid-template-columns: 1fr; gap: 4px; }
}

/* ============================================================
   Creative / color layer
   ============================================================ */
:root {
  --accent-2:    #e0795f;   /* coral complementario, uso puntual */
  --accent-2-dk: #c25f46;
  --brand-grad:  linear-gradient(115deg, var(--accent-dk), var(--accent) 52%, var(--accent-2));
}

/* — menos blanco: tintes suaves de marca — */
body            { background: #f2f5f5; }
.section--alt   { background: #e8eeee; border-block-color: #dbe4e4; }
.hero           { background: linear-gradient(180deg, #e7f0f0 0%, #f2f5f5 60%); }
.clients        { background: #e8eeee; border-block-color: #dbe4e4; }
.footer         { background: #e8eeee; border-top-color: #dbe4e4; }
.eyebrow .node-line::before { box-shadow: 0 0 0 3px rgba(88,120,128,.12); }

/* — hero canvas de partículas — */
.hero__canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; }
.hero__grid   { opacity: .42; }

/* — covers generativos en proyectos — */
.cards--projects { perspective: 1100px; }
.project          { will-change: transform; }
.project::before  { display: none; }
.project__cover {
  margin: -26px -28px 22px; height: 150px; position: relative;
  overflow: hidden; background: #eef2f2;
}
.project__cover img {
  width: 100%; height: 100%; object-fit: cover;
  transform: scale(1.04); transition: transform .7s var(--ease-out);
}
.project:hover .project__cover img { transform: scale(1.13); }
.project__cover::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 46%, rgba(7,14,14,.30));
}

/* — sección Stack en oscuro: rompe el blanco — */
.stack              { background: #0b0f10; border-block-color: #0b0f10; }
.stack .section__title  { color: #f2f5f5; }
.stack .eyebrow--center { color: var(--accent-lt); }
.stack__group       { background: rgba(255,255,255,.035); border-color: rgba(255,255,255,.09); }
.stack__label       { color: var(--accent-lt); border-bottom-color: rgba(255,255,255,.12); }
.stack__group li    { color: #c2cccd; }

/* — cursor glow — */
.cursor-glow {
  position: fixed; top: 0; left: 0; width: 320px; height: 320px;
  border-radius: 50%; pointer-events: none; z-index: 60;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(88,120,128,.16), transparent 62%);
  mix-blend-mode: multiply; opacity: 0; transition: opacity .4s var(--ease);
}
@media (hover: hover) and (pointer: fine) { .cursor-glow.on { opacity: 1; } }

/* — scramble del título — */
.scramble.is-scrambling { color: var(--accent-dk); }
.btn, .nav__cta { will-change: transform; }

/* — easter egg: modo fiesta — */
body.party .hero__title,
body.party .section__title,
body.party .project__name,
body.party .cta__title {
  background: linear-gradient(90deg,#ff5fa2,#7a5cff,#37e0ff,#5fff9e,#ffd24a,#ff5fa2);
  background-size: 320% 100%;
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
  animation: huey 5s linear infinite;
}
@keyframes huey { to { background-position: 320% 0; } }
body.party { animation: huerot .8s var(--ease); }
@keyframes huerot { 30% { filter: hue-rotate(10deg); } 70% { filter: hue-rotate(-10deg); } }
.confetti {
  position: fixed; top: -24px; width: 9px; height: 14px; z-index: 9999;
  pointer-events: none; border-radius: 2px; will-change: transform, opacity;
  animation: fall linear forwards;
}
@keyframes fall { to { transform: translateY(105vh) rotate(720deg); opacity: 0; } }
.party-badge {
  position: fixed; left: 50%; bottom: 26px; transform: translateX(-50%) translateY(40px);
  z-index: 9999; background: var(--ink); color: #fff; font-family: var(--font-mono);
  font-size: 13px; padding: 11px 20px; border-radius: 999px; box-shadow: var(--shadow);
  opacity: 0; transition: opacity .3s var(--ease), transform .3s var(--ease-out);
}
.party-badge.show { opacity: 1; transform: translateX(-50%) translateY(0); }

@media (prefers-reduced-motion: reduce) {
  .hero__canvas, .cursor-glow, .confetti { display: none; }
}

/* ============================================================
   Blog — editorial limpio (estilo Linear / Vercel)
   ============================================================ */
body.blog { background: #ffffff; }
body.blog .site-header { background: rgba(255,255,255,.78); }
body.blog .site-header.is-scrolled { background: rgba(255,255,255,.92); }

/* índice */
.blog-hero { padding: clamp(44px,7vw,80px) 0 clamp(20px,3vw,32px); }
.blog-hero .section__title { font-size: clamp(2.3rem,5vw,3.4rem); }
.blog-hero .section__sub { max-width: 560px; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 30px; }
.chip { font-family: var(--font-body); font-size: 14px; color: var(--muted); background: transparent;
  border: 0; border-radius: 999px; padding: 7px 15px; cursor: pointer;
  transition: color .2s var(--ease), background .2s var(--ease); }
.chip:hover { color: var(--ink); background: #f1f4f4; }
.chip.is-active { color: var(--ink); background: #eaeeee; font-weight: 500; }

/* destacado: imagen ancha + texto debajo, sin caja */
.feature { display: block; margin-bottom: clamp(44px,6vw,68px); }
.feature__cover { display: block; overflow: hidden; border-radius: 16px; background: #eef2f2; aspect-ratio: 16/9; }
.feature__cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease-out); }
.feature:hover .feature__cover img { transform: scale(1.02); }
.feature__body { padding-top: 28px; max-width: 780px; }
.feature__badge { display: none; }
.feature__title { font-family: var(--font-display); font-weight: 600; font-size: clamp(1.7rem,3.3vw,2.5rem); line-height: 1.1; letter-spacing: -.03em; margin: 12px 0 14px; color: var(--ink); }
.feature__excerpt { color: var(--muted); font-size: 1.12rem; line-height: 1.55; max-width: 640px; }
.feature .blog-card__tag { font-size: 13.5px; }
.feature .blog-card__meta { margin-top: 20px; }

/* rejilla de artículos */
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(36px,4vw,52px) 28px; }
.blog-card { display: flex; flex-direction: column; }
.blog-card__cover { display: block; overflow: hidden; aspect-ratio: 16/9; background: #eef2f2; border-radius: 14px; }
.blog-card__cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease-out); }
.blog-card:hover .blog-card__cover img { transform: scale(1.04); }
.blog-card__body { padding-top: 18px; display: flex; flex-direction: column; flex: 1; }
.blog-card__tag { font-family: var(--font-body); font-size: 13px; font-weight: 500; color: var(--accent-dk); align-self: flex-start; }
.blog-card__title { font-family: var(--font-display); font-weight: 600; font-size: 1.2rem; line-height: 1.28; letter-spacing: -.02em; margin: 9px 0 8px; }
.blog-card__title a { color: var(--ink); transition: color .2s var(--ease); }
.blog-card__title a:hover { color: var(--accent-dk); }
.blog-card__excerpt { color: var(--muted); font-size: .96rem; line-height: 1.5; flex: 1; }
.blog-card__meta { margin-top: 14px; font-size: 13px; color: var(--muted); }
.blog-empty { text-align: center; color: var(--muted); padding: 40px 0; }
/* borde sutil para definir las infografías claras sobre el fondo blanco */
.feature__cover, .blog-card__cover { border: 1px solid var(--line); }
.post__cover img, .rel-card img { border: 1px solid var(--line); }

/* artículo */
.post { padding: clamp(28px,4vw,52px) 0 clamp(48px,7vw,88px); }
.post__head { max-width: 720px; margin-inline: auto; }
.crumbs { font-size: 13px; color: var(--muted); margin-bottom: 26px; }
.crumbs a { color: var(--accent-dk); }
.crumbs span { margin: 0 8px; color: var(--line-2); }
.post__tag { font-family: var(--font-body); font-size: 13.5px; font-weight: 600; letter-spacing: 0; color: var(--accent-dk); }
.post__title { font-family: var(--font-display); font-weight: 600; font-size: clamp(2.1rem,5vw,3.2rem); line-height: 1.08; letter-spacing: -.03em; margin: 12px 0 18px; }
.post__lead { font-size: 1.24rem; line-height: 1.55; color: var(--muted); margin-bottom: 28px; }
.byline { display: flex; align-items: center; gap: 12px; padding-bottom: 28px; border-bottom: 1px solid var(--line); }
.byline__avatar { width: 40px; height: 40px; border-radius: 50%; }
.byline__who { display: flex; flex-direction: column; gap: 1px; }
.byline__name { font-family: var(--font-body); font-weight: 600; font-size: 14px; color: var(--ink); }
.byline__meta { font-size: 13px; color: var(--muted); }
.share { margin-left: auto; display: flex; gap: 8px; }
.share__btn { width: 34px; height: 34px; border-radius: 50%; border: 1px solid var(--line); background: #fff;
  display: inline-flex; align-items: center; justify-content: center; font-family: var(--font-body); font-size: 13px;
  color: var(--ink-soft); cursor: pointer; text-decoration: none; transition: border-color .2s var(--ease), color .2s var(--ease); }
.share__btn:hover { border-color: var(--accent); color: var(--accent-dk); }

.post__cover { max-width: 900px; margin: 40px auto 4px; }
.post__cover img { width: 100%; height: auto; border-radius: 16px; display: block; background: #eef2f2; aspect-ratio: 16/9; object-fit: cover; }

.post__body { max-width: 720px; margin-inline: auto; }
.toc { display: none; }

.prose { font-size: 1.19rem; line-height: 1.8; color: #28323a; }
.prose h2 { font-family: var(--font-display); font-weight: 600; font-size: 1.55rem; letter-spacing: -.02em; line-height: 1.25; color: var(--ink); margin: 48px 0 16px; }
.prose h3 { font-family: var(--font-display); font-weight: 600; font-size: 1.24rem; letter-spacing: -.01em; color: var(--ink); margin: 34px 0 10px; }
.prose p { margin: 0 0 22px; }
.prose ul, .prose ol { margin: 0 0 24px; padding-left: 4px; list-style: none; }
.prose ol { counter-reset: li; }
.prose li { position: relative; padding-left: 30px; margin-bottom: 13px; }
.prose ul li::before { content: ""; position: absolute; left: 5px; top: .66em; width: 6px; height: 10px; border-right: 2px solid var(--accent); border-bottom: 2px solid var(--accent); transform: rotate(45deg); }
.prose ol li { counter-increment: li; }
.prose ol li::before { content: counter(li); position: absolute; left: 0; top: .08em; font-family: var(--font-mono); font-size: .82em; font-weight: 600; color: var(--accent-dk); }
.prose strong { color: var(--ink); font-weight: 600; }
.prose a { color: var(--accent-dk); text-decoration: underline; text-underline-offset: 2px; text-decoration-color: var(--line-2); }
.prose a:hover { text-decoration-color: var(--accent-dk); }
.prose blockquote { margin: 28px 0; padding: 4px 0 4px 24px; border-left: 3px solid var(--accent); color: var(--ink-soft); font-style: italic; }
.prose code { font-family: var(--font-mono); font-size: .86em; background: var(--accent-wash); padding: 2px 6px; border-radius: 5px; color: var(--accent-dk); }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 40px 0; }

.prose .btn { text-decoration: none; }
.prose .btn--primary { color: var(--paper); }
.prose .btn--primary:hover { color: var(--paper); }
.post__cta { margin-top: 56px; padding: 38px 36px; background: #f6f8f8; border-radius: 16px; text-align: center; }
.post__cta h2 { font-family: var(--font-display); font-weight: 600; font-size: 1.4rem; letter-spacing: -.02em; margin-bottom: 8px; }
.post__cta p { color: var(--muted); margin-bottom: 22px; }

.related { border-top: 1px solid var(--line); padding: clamp(52px,7vw,84px) 0; background: #fff; }
.related__title { font-family: var(--font-display); font-weight: 600; font-size: 1.4rem; letter-spacing: -.02em; margin-bottom: 30px; }
.related__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 36px 28px; }
.rel-card { display: block; }
.rel-card img { width: 100%; aspect-ratio: 16/9; object-fit: cover; display: block; background: #eef2f2; border-radius: 14px; transition: transform .6s var(--ease-out); }
.rel-card:hover img { transform: scale(1.03); }
.rel-card__tag { display: block; font-family: var(--font-body); font-size: 13px; font-weight: 500; color: var(--accent-dk); padding: 16px 0 0; }
.rel-card__title { display: block; font-family: var(--font-display); font-weight: 600; font-size: 1.1rem; line-height: 1.3; letter-spacing: -.02em; color: var(--ink); padding: 7px 0 0; transition: color .2s var(--ease); }
.rel-card:hover .rel-card__title { color: var(--accent-dk); }

/* legales */
.legal { padding: clamp(40px, 6vw, 72px) 0 clamp(48px, 7vw, 90px); }
.legal__inner { max-width: 760px; margin-inline: auto; }
.legal h1 { font-family: var(--font-display); font-weight: 600; font-size: clamp(1.8rem, 4vw, 2.6rem); letter-spacing: -.025em; margin-bottom: 10px; }
.legal .updated { font-family: var(--font-mono); font-size: 12.5px; color: var(--muted); margin-bottom: 34px; padding-bottom: 26px; border-bottom: 1px solid var(--line); }

@media (max-width: 900px) {
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .related__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .blog-grid { grid-template-columns: 1fr; }
  .related__grid { grid-template-columns: 1fr; }
  .prose { font-size: 1.08rem; }
  .byline { flex-wrap: wrap; }
  .share { margin-left: 0; }
}