/* ==================================================================
   SECCIONES — mismo lenguaje visual que el hero, a escala de lectura
   ================================================================== */

#main {
  position: relative;
  z-index: 5;
  background: var(--bg);
  border-top: 1px solid var(--hair-soft);
}

.sec {
  max-width: var(--sec-max);
  margin: 0 auto;
  padding: clamp(72px, 9vw, 132px) clamp(20px, 5vw, 48px);
}
.sec + .sec { border-top: 1px solid var(--hair-soft); }

.sec__head { margin-bottom: clamp(36px, 4.4vw, 60px); }

.sec__no {
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--blue-ink);
  margin-bottom: 14px;
}

.sec__title {
  font-size: clamp(30px, 4.6vw, 52px);
  font-weight: 500;
  letter-spacing: 0.015em;
  line-height: 1.04;
  color: var(--ink-strong);
}

.sec__sub {
  margin-top: 12px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--ink-4);
}

/* reveal al entrar en pantalla */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
.reveal.is-in { opacity: 1; transform: none; }

/* ---- 01 pipeline --------------------------------------------------- */
.pipeline {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(196px, 1fr));
  gap: 1px;
  background: var(--hair-soft);
  border: 1px solid var(--hair-soft);
}

.step {
  position: relative;
  background: var(--bg);
  padding: 26px 22px 30px;
  transition: background 0.3s var(--ease);
}
.step::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 2px;
  background: var(--blue);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 0.45s var(--ease-out);
}
.step:hover { background: #f4f6fc; }
.step:hover::before { transform: scaleX(1); }

.step__n {
  display: block;
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--blue-ink);
  margin-bottom: 16px;
}
.step h3 {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--ink-strong);
  margin-bottom: 12px;
}
.step p {
  font-size: 12.4px;
  line-height: 1.78;
  color: var(--ink-3);
  text-wrap: pretty;
}

/* ---- 02 proyectos --------------------------------------------------- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.card {
  border: 1px solid var(--hair-soft);
  border-radius: 10px;
  padding: 22px 22px 20px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.7), rgba(255, 255, 255, 0.25));
  display: flex;
  flex-direction: column;
  transition: border-color 0.3s, transform 0.35s var(--ease-out), box-shadow 0.35s;
}
.card:hover {
  border-color: rgba(38, 118, 252, 0.4);
  transform: translateY(-3px);
  box-shadow: 0 16px 40px -18px rgba(16, 30, 66, 0.4);
}

.card header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}
.card__tag {
  font-size: 9px;
  letter-spacing: 0.18em;
  color: var(--ink-5);
}
.card__st {
  font-size: 9px;
  letter-spacing: 0.14em;
  padding: 3px 8px;
  border-radius: 3px;
}
.card__st--live { color: #04795e; background: rgba(7, 190, 143, 0.14); }
.card__st--beta { color: #9a5c05; background: rgba(224, 138, 30, 0.15); }

.card h3 {
  font-size: 19px;
  font-weight: 500;
  letter-spacing: 0.005em;
  color: var(--ink-strong);
  margin-bottom: 10px;
}
.card > p {
  font-size: 12.4px;
  line-height: 1.75;
  color: var(--ink-3);
  margin-bottom: 20px;
  text-wrap: pretty;
}

.card__meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--hair-soft);
}
.card__meta li { display: flex; flex-direction: column; gap: 3px; }
.card__meta b { font-size: 14px; font-weight: 500; color: var(--ink); }
.card__meta span { font-size: 9px; letter-spacing: 0.1em; color: var(--ink-5); }

.card__links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 18px;
  font-size: 9px;
  letter-spacing: 0.14em;
}
.card__links a {
  color: var(--blue-ink);
  transition: color 0.2s, transform 0.2s var(--ease-out);
}
.card__links a:hover {
  color: var(--blue-deep);
  transform: translateX(2px);
}

/* ---- 03 experimentos ------------------------------------------------ */
.exp { border-top: 1px solid var(--hair-soft); }

.exp__row {
  display: grid;
  grid-template-columns: 84px minmax(160px, 1fr) minmax(0, 2fr) 104px;
  gap: 20px;
  align-items: center;
  padding: 20px 6px;
  border-bottom: 1px solid var(--hair-soft);
  font-size: 12.4px;
  transition: background 0.25s, padding-left 0.25s var(--ease-out);
}
.exp__row:not(.exp__row--head):hover { background: #f4f6fc; padding-left: 14px; }

.exp__row--head {
  font-size: 9px;
  letter-spacing: 0.18em;
  color: var(--ink-5);
  padding: 0 6px 12px;
}
.exp__row--head:hover { background: none; }

.exp__id { color: var(--blue-ink); letter-spacing: 0.06em; }
.exp__name { color: var(--ink-strong); font-weight: 500; }
.exp__hyp { color: var(--ink-3); line-height: 1.65; text-wrap: pretty; }

.exp__st {
  justify-self: start;
  font-size: 9px;
  letter-spacing: 0.14em;
  padding: 4px 9px;
  border-radius: 3px;
}
.exp__st--run  { color: #0b47c4; background: rgba(38, 118, 252, 0.13); }
.exp__st--ok   { color: #04795e; background: rgba(7, 190, 143, 0.14); }
.exp__st--stop { color: var(--ink-4); background: rgba(24, 38, 74, 0.07); }

.exp__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}
.exp__actions a {
  transition: filter 0.2s, transform 0.2s var(--ease-out);
}
.exp__actions a:hover {
  filter: saturate(1.2) brightness(0.94);
  transform: translateY(-1px);
}

@media (max-width: 760px) {
  .exp__row { grid-template-columns: 1fr; gap: 8px; }
  .exp__row--head { display: none; }
}

/* ---- 04 about -------------------------------------------------------- */
.about {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(220px, 1fr);
  gap: clamp(32px, 6vw, 72px);
  align-items: start;
}

.about__text p {
  font-size: 13px;
  line-height: 1.92;
  color: var(--ink-3);
  text-wrap: pretty;
}
.about__text p + p { margin-top: 20px; }
.about__lead { font-size: 15px !important; color: var(--ink) !important; }

.about__link {
  display: inline-flex;
  align-items: center;
  margin-top: 30px;
  padding-bottom: 5px;
  border-bottom: 1px solid rgba(38, 118, 252, 0.38);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--blue-ink);
  transition: border-color 0.2s, color 0.2s, transform 0.25s var(--ease-out);
}
.about__link:hover {
  color: var(--blue-deep);
  border-color: var(--blue);
  transform: translateX(3px);
}

.about__stats { display: grid; gap: 1px; background: var(--hair-soft); border: 1px solid var(--hair-soft); }
.about__stats > div { background: var(--bg); padding: 18px 20px; }
.about__stats dt { font-size: 9px; letter-spacing: 0.16em; color: var(--ink-5); margin-bottom: 6px; }
.about__stats dd {
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.18;
  font-weight: 500;
  color: var(--ink-strong);
}

@media (max-width: 760px) { .about { grid-template-columns: 1fr; } }

/* ---- 05 contacto ----------------------------------------------------- */
.sec--contact { padding-bottom: clamp(56px, 7vw, 92px); }

.contact__mail {
  display: inline-block;
  font-size: clamp(24px, 4.4vw, 44px);
  font-weight: 500;
  letter-spacing: 0.005em;
  color: var(--ink-strong);
  background-image: linear-gradient(var(--blue), var(--blue));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0% 2px;
  transition: background-size 0.45s var(--ease-out), color 0.3s;
}
.contact__mail:hover { color: var(--blue-ink); background-size: 100% 2px; }

.contact__note {
  margin-top: 22px;
  max-width: 460px;
  font-size: 13px;
  line-height: 1.85;
  color: var(--ink-3);
  text-wrap: pretty;
}

.contact__links {
  display: flex;
  flex-wrap: wrap;
  gap: 26px;
  margin-top: 38px;
  font-size: 10.5px;
  letter-spacing: 0.16em;
}
.contact__links a { color: var(--ink-4); transition: color 0.2s; }
.contact__links a:hover { color: var(--blue-ink); }

/* ---- pie ------------------------------------------------------------- */
.foot {
  max-width: var(--sec-max);
  margin: 0 auto;
  padding: 26px clamp(20px, 5vw, 48px) 34px;
  border-top: 1px solid var(--hair-soft);
  display: flex;
  justify-content: space-between;
  gap: 20px;
  font-size: 9.5px;
  letter-spacing: 0.12em;
  color: var(--ink-5);
}
.foot__muted { color: #a9aec2; }