/* Cantra Soluciones — Landing */
:root {
  --bone: #F5F2EC;
  --bone-2: #EDE8DD;
  --ink: #0A0A0A;
  --ink-2: #141414;
  --ink-3: #1F1F1F;
  --gold: #C9A961;
  --gold-2: #E8D9B0;
  --gold-deep: #8E7536;
  --line-light: rgba(10,10,10,0.10);
  --line-dark: rgba(245,242,236,0.14);
  --muted-light: rgba(10,10,10,0.55);
  --muted-dark: rgba(245,242,236,0.55);
  --serif: "Instrument Serif", "Cormorant Garamond", Georgia, serif;
  --sans: "Inter Tight", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--sans);
  background: var(--bone);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.5;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }

/* ───────── shared type ───────── */
.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.serif {
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 0.95;
}
.mono { font-family: var(--mono); }

.section-tag {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 48px;
}
.section-tag .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--gold);
}
.section-tag .num { opacity: 0.5; }

/* ───────── nav ───────── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 32px;
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  background: rgba(245,242,236,0.65);
  border-bottom: 1px solid var(--line-light);
  transition: background 0.4s, color 0.4s, border-color 0.4s;
}
.nav.dark {
  background: rgba(10,10,10,0.65);
  color: var(--bone);
  border-bottom-color: var(--line-dark);
}
.nav-brand {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--serif);
  font-size: 22px;
  letter-spacing: 0.02em;
}
.nav-brand .mark {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, var(--gold-2), var(--gold) 50%, var(--gold-deep));
  box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}
.nav-links {
  display: flex; gap: 28px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.nav-links a { opacity: 0.7; transition: opacity 0.2s; }
.nav-links a:hover { opacity: 1; }
.nav-cta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 10px 18px;
  border: 1px solid currentColor;
  border-radius: 999px;
  display: inline-flex; align-items: center; gap: 8px;
  transition: background 0.2s, color 0.2s;
}
.nav-cta:hover {
  background: var(--ink); color: var(--bone);
}
.nav.dark .nav-cta:hover {
  background: var(--bone); color: var(--ink);
}
.nav-burger { display: none; }

@media (max-width: 820px) {
  .nav { padding: 14px 20px; }
  .nav-links { display: none; }
  .nav-cta span:not(.wa-icon) { display: none; }
  .nav-cta { padding: 10px 12px; }
}

/* ───────── hero ───────── */
.hero {
  min-height: 100vh;
  padding: 140px 32px 80px;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.hero-grid-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--line-light) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-light) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
  pointer-events: none;
  opacity: 0.6;
}
.hero-meta {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.55;
  margin-bottom: 60px;
  position: relative;
  z-index: 2;
}
.hero-meta > span { display: flex; align-items: center; gap: 8px; }
.hero h1 {
  font-family: var(--serif);
  font-size: clamp(56px, 9vw, 152px);
  line-height: 0.92;
  letter-spacing: -0.02em;
  font-weight: 400;
  position: relative;
  z-index: 2;
  margin-bottom: 32px;
  max-width: 58%;
}
@media (max-width: 1300px) {
  .hero h1 { max-width: 56%; font-size: clamp(48px, 7.5vw, 120px); }
}
@media (max-width: 820px) {
  .hero h1 { max-width: 100%; font-size: clamp(48px, 11vw, 88px); }
}
.hero h1 .gold {
  color: var(--gold);
  font-style: italic;
  background: linear-gradient(135deg, var(--gold-2), var(--gold) 40%, var(--gold-deep));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-sub {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: end;
  position: relative;
  z-index: 2;
  margin-top: 80px;
}
.hero-sub p {
  font-size: clamp(15px, 1.2vw, 18px);
  max-width: 44ch;
  line-height: 1.5;
  color: var(--muted-light);
}
.hero-cta-row {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 26px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  border-radius: 999px;
  transition: transform 0.2s, background 0.2s, color 0.2s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: var(--ink);
  color: var(--bone);
}
.btn-primary:hover { background: var(--gold-deep); }
.btn-ghost {
  border: 1px solid var(--ink);
  color: var(--ink);
}
.btn-ghost:hover { background: var(--ink); color: var(--bone); }
.btn-gold {
  background: linear-gradient(135deg, var(--gold-2), var(--gold) 50%, var(--gold-deep));
  color: var(--ink);
  box-shadow: 0 6px 20px rgba(201,169,97,0.35);
}
.btn-gold:hover { box-shadow: 0 10px 28px rgba(201,169,97,0.5); }
.btn .arrow {
  width: 14px; height: 14px;
  display: inline-flex; align-items: center; justify-content: center;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 32px; left: 32px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0.5;
  display: flex; align-items: center; gap: 10px;
  z-index: 2;
}
.hero-scroll-hint .line {
  width: 40px; height: 1px; background: currentColor;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 0.3; transform: scaleX(0.6); transform-origin: left; }
  50% { opacity: 1; transform: scaleX(1); transform-origin: left; }
}

/* hero logo plinth */
.hero-plinth {
  position: absolute;
  right: -14%;
  top: 50%;
  transform: translateY(-50%);
  width: 42vw;
  max-width: 560px;
  aspect-ratio: 1 / 1;
  height: auto;
  z-index: 1;
  pointer-events: none;
  clip-path: inset(2% 8% 48% 8%);
  -webkit-clip-path: inset(2% 8% 48% 8%);
  filter: drop-shadow(0 30px 60px rgba(142,117,54,0.25));
}
.hero-plinth img {
  width: 100%; height: 100%; object-fit: contain;
  mix-blend-mode: multiply;
  opacity: 0.95;
  transform: scale(1.4) translateY(15%);
  transform-origin: center top;
}
.hero-plinth::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 30%, rgba(201,169,97,0.22), transparent 60%);
  filter: blur(40px);
  z-index: -1;
}
@media (max-width: 1300px) {
  .hero-plinth { width: 36vw; right: -12%; opacity: 0.5; }
}
@media (max-width: 1100px) {
  .hero-plinth { width: 32vw; right: -10%; opacity: 0.4; }
}

@media (max-width: 820px) {
  .hero { padding: 120px 20px 60px; }
  .hero-sub { grid-template-columns: 1fr; gap: 32px; margin-top: 40px; }
  .hero-meta { font-size: 9px; gap: 12px; flex-wrap: wrap; }
  .hero-plinth {
    position: relative;
    right: auto; top: auto; transform: none;
    width: 70vw;
    margin: 24px auto 0;
    opacity: 1;
  }
  .hero-plinth img { transform: scale(1.4) translateY(15%); }
  .hero-scroll-hint { display: none; }
}

/* ───────── status strip ───────── */
.status-strip {
  background: var(--ink);
  color: var(--bone);
  padding: 18px 32px;
  display: flex;
  gap: 48px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  overflow: hidden;
}
.status-strip .ticker {
  display: flex; gap: 48px;
  animation: ticker 40s linear infinite;
  white-space: nowrap;
}
.status-strip .ticker span {
  display: inline-flex; align-items: center; gap: 12px;
}
.status-strip .ticker span::after {
  content: "✦";
  color: var(--gold);
  margin-left: 24px;
}
@keyframes ticker {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ───────── section base ───────── */
section { padding: 140px 32px; position: relative; }
.section-light { background: var(--bone); color: var(--ink); }
.section-dark { background: var(--ink); color: var(--bone); }
.section-cream { background: var(--bone-2); color: var(--ink); }

@media (max-width: 820px) {
  section { padding: 80px 20px; }
}

.section-head {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 60px;
  margin-bottom: 80px;
  align-items: end;
}
.section-head h2 {
  font-family: var(--serif);
  font-size: clamp(40px, 6vw, 88px);
  line-height: 0.95;
  letter-spacing: -0.015em;
  font-weight: 400;
}
.section-head h2 em {
  font-style: italic;
  color: var(--gold);
  background: linear-gradient(135deg, var(--gold-2), var(--gold), var(--gold-deep));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.section-head p {
  max-width: 50ch;
  font-size: 16px;
  line-height: 1.55;
  opacity: 0.7;
}

@media (max-width: 820px) {
  .section-head { grid-template-columns: 1fr; gap: 24px; margin-bottom: 48px; }
}

/* ───────── services ───────── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line-light);
  border: 1px solid var(--line-light);
}
.service-card {
  background: var(--bone);
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  min-height: 360px;
  transition: background 0.3s;
  position: relative;
  overflow: hidden;
}
.service-card:hover { background: var(--bone-2); }
.service-card .num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  opacity: 0.5;
}
.service-card h3 {
  font-family: var(--serif);
  font-size: clamp(28px, 3vw, 38px);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.01em;
}
.service-card .visual {
  flex: 1;
  margin: 12px 0;
  position: relative;
  min-height: 140px;
  display: flex; align-items: center; justify-content: center;
}
.service-card p {
  font-size: 14px;
  line-height: 1.55;
  opacity: 0.7;
  max-width: 38ch;
}
.service-card .specs {
  display: flex; flex-wrap: wrap;
  gap: 6px; margin-top: 8px;
}
.service-card .specs span {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 10px;
  border: 1px solid var(--line-light);
  border-radius: 999px;
  opacity: 0.7;
}

@media (max-width: 820px) {
  .services-grid { grid-template-columns: 1fr; }
  .service-card { min-height: 280px; padding: 28px 22px; }
}

/* SVG visuals shared */
.viz {
  width: 100%; height: 100%;
  max-height: 160px;
}
.viz line, .viz path, .viz rect, .viz circle, .viz polyline, .viz polygon {
  vector-effect: non-scaling-stroke;
}

/* ───────── manufactura section (dark) ───────── */
.cap-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-top: 1px solid var(--line-dark);
}
.cap-row {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line-dark);
  align-items: baseline;
  transition: padding 0.3s;
}
.cap-row:hover { padding-left: 12px; }
.cap-row .idx {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  opacity: 0.5;
}
.cap-row .name {
  font-family: var(--serif);
  font-size: clamp(22px, 2.4vw, 32px);
  font-weight: 400;
}
.cap-row .tags {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  opacity: 0.6;
  text-align: right;
}
.cap-list {
  display: block;
  grid-template-columns: none;
}

@media (max-width: 820px) {
  .cap-row {
    grid-template-columns: 40px 1fr;
    gap: 12px;
    padding: 20px 0;
  }
  .cap-row .tags {
    grid-column: 2;
    text-align: left;
    margin-top: 6px;
  }
}

/* ───────── proceso ───────── */
.process-track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  border-top: 1px solid var(--line-light);
  border-bottom: 1px solid var(--line-light);
}
.process-step {
  padding: 36px 24px 36px 24px;
  border-right: 1px solid var(--line-light);
  display: flex; flex-direction: column;
  gap: 20px;
  position: relative;
  min-height: 320px;
  transition: background 0.3s;
}
.process-step:last-child { border-right: none; }
.process-step:hover { background: var(--bone-2); }
.process-step .step-num {
  font-family: var(--serif);
  font-size: 64px;
  line-height: 1;
  font-weight: 400;
  color: var(--gold);
  background: linear-gradient(135deg, var(--gold-2), var(--gold), var(--gold-deep));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.process-step .step-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0.5;
}
.process-step h4 {
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 400;
  line-height: 1.1;
}
.process-step p {
  font-size: 13px;
  line-height: 1.55;
  opacity: 0.7;
  margin-top: auto;
}
.process-step .next {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  display: flex; align-items: center; gap: 8px;
  color: var(--gold-deep);
  margin-top: 12px;
}

@media (max-width: 820px) {
  .process-track {
    grid-template-columns: 1fr;
  }
  .process-step {
    border-right: none;
    border-bottom: 1px solid var(--line-light);
    min-height: auto;
    padding: 28px 20px;
  }
  .process-step:last-child { border-bottom: none; }
}

/* ───────── about ───────── */
.about-wrap {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 80px;
  align-items: start;
}
.about-mission {
  font-family: var(--serif);
  font-size: clamp(36px, 5vw, 72px);
  line-height: 1.0;
  letter-spacing: -0.015em;
  font-weight: 400;
}
.about-mission em {
  font-style: italic;
  background: linear-gradient(135deg, var(--gold-2), var(--gold), var(--gold-deep));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 60px;
  border-top: 1px solid var(--line-dark);
  padding-top: 40px;
}
.stat .v {
  font-family: var(--serif);
  font-size: 56px;
  line-height: 1;
  color: var(--gold);
  background: linear-gradient(135deg, var(--gold-2), var(--gold), var(--gold-deep));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat .l {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.6;
  margin-top: 8px;
  max-width: 22ch;
}
.about-side p {
  font-size: 16px;
  line-height: 1.6;
  opacity: 0.75;
  margin-bottom: 20px;
}
.about-tags {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-top: 24px;
}
.about-tags span {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 6px 12px;
  border: 1px solid var(--line-dark);
  border-radius: 999px;
  opacity: 0.8;
}

@media (max-width: 820px) {
  .about-wrap { grid-template-columns: 1fr; gap: 40px; }
  .about-stats { grid-template-columns: 1fr 1fr; gap: 20px; padding-top: 28px; margin-top: 32px; }
  .stat .v { font-size: 40px; }
}

/* ───────── contact ───────── */
.contact-wrap {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 80px;
}
.contact-headline {
  font-family: var(--serif);
  font-size: clamp(48px, 8vw, 120px);
  line-height: 0.92;
  letter-spacing: -0.02em;
  font-weight: 400;
}
.contact-headline em {
  font-style: italic;
  background: linear-gradient(135deg, var(--gold-2), var(--gold), var(--gold-deep));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.contact-cta {
  margin-top: 40px;
  display: flex; flex-direction: column; gap: 16px;
}
.wa-big {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 26px 30px;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--gold-2), var(--gold) 50%, var(--gold-deep));
  color: var(--ink);
  box-shadow: 0 12px 40px rgba(201,169,97,0.25);
  transition: transform 0.2s, box-shadow 0.2s;
}
.wa-big:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 50px rgba(201,169,97,0.4);
}
.wa-big .label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0.7;
}
.wa-big .num {
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 400;
  margin-top: 4px;
}
.wa-big .icon {
  width: 48px; height: 48px;
  background: var(--ink);
  color: var(--gold-2);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}

.contact-side {
  display: flex; flex-direction: column; gap: 28px;
  padding-top: 20px;
}
.contact-block {
  border-top: 1px solid var(--line-dark);
  padding-top: 20px;
}
.contact-block .label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0.5;
  margin-bottom: 10px;
}
.contact-block .value {
  font-family: var(--serif);
  font-size: 22px;
  line-height: 1.2;
}
.contact-block .value a:hover { color: var(--gold-2); }

.next-steps {
  margin-top: 40px;
  padding: 28px;
  border: 1px solid var(--line-dark);
  border-radius: 16px;
  background: rgba(201,169,97,0.04);
}
.next-steps .label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0.6;
  margin-bottom: 14px;
  display: flex; align-items: center; gap: 10px;
}
.next-steps .label::before {
  content: ""; width: 6px; height: 6px; background: var(--gold); border-radius: 50%;
}
.next-steps ol {
  list-style: none;
  display: flex; flex-direction: column; gap: 12px;
}
.next-steps li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 14px;
  font-size: 14px;
  line-height: 1.4;
}
.next-steps li .n {
  font-family: var(--mono);
  font-size: 11px;
  opacity: 0.5;
  padding-top: 2px;
}

@media (max-width: 820px) {
  .contact-wrap { grid-template-columns: 1fr; gap: 40px; }
  .wa-big { padding: 20px 22px; }
  .wa-big .num { font-size: 22px; }
}

/* ───────── footer ───────── */
.footer {
  background: var(--ink);
  color: var(--bone);
  padding: 60px 32px 32px;
  border-top: 1px solid var(--line-dark);
}
.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 60px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--line-dark);
}
.footer-brand {
  font-family: var(--serif);
  font-size: 32px;
  letter-spacing: 0.01em;
}
.footer-brand .sub {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0.5;
  margin-top: 8px;
  display: block;
}
.footer-col h5 {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0.5;
  margin-bottom: 16px;
  font-weight: 500;
}
.footer-col ul {
  list-style: none;
  display: flex; flex-direction: column; gap: 10px;
}
.footer-col a {
  font-size: 14px;
  opacity: 0.85;
  transition: opacity 0.2s, color 0.2s;
}
.footer-col a:hover { color: var(--gold-2); opacity: 1; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 28px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.5;
}

@media (max-width: 820px) {
  .footer { padding: 48px 20px 24px; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 12px; align-items: flex-start; }
}

/* ───────── floating WA ───────── */
.float-wa {
  position: fixed;
  bottom: 24px; right: 24px;
  z-index: 90;
  display: flex; align-items: center; gap: 12px;
  padding: 14px 22px 14px 16px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--gold-2), var(--gold) 50%, var(--gold-deep));
  color: var(--ink);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  box-shadow: 0 14px 40px rgba(201,169,97,0.4);
  transition: transform 0.2s, box-shadow 0.2s;
}
.float-wa:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 50px rgba(201,169,97,0.55);
}
.float-wa .icon {
  width: 28px; height: 28px;
  background: var(--ink);
  color: var(--gold-2);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}

@media (max-width: 820px) {
  .float-wa { bottom: 16px; right: 16px; padding: 12px 18px 12px 12px; font-size: 10px; }
}

/* ───────── reveal anim ───────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s cubic-bezier(0.2,0.7,0.2,1), transform 0.8s cubic-bezier(0.2,0.7,0.2,1);
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s cubic-bezier(0.2,0.7,0.2,1), transform 0.7s cubic-bezier(0.2,0.7,0.2,1);
}
.reveal-stagger.in > * {
  opacity: 1;
  transform: translateY(0);
}
.reveal-stagger.in > *:nth-child(1) { transition-delay: 0.05s; }
.reveal-stagger.in > *:nth-child(2) { transition-delay: 0.12s; }
.reveal-stagger.in > *:nth-child(3) { transition-delay: 0.19s; }
.reveal-stagger.in > *:nth-child(4) { transition-delay: 0.26s; }
.reveal-stagger.in > *:nth-child(5) { transition-delay: 0.33s; }
.reveal-stagger.in > *:nth-child(6) { transition-delay: 0.40s; }
.reveal-stagger.in > *:nth-child(7) { transition-delay: 0.47s; }
.reveal-stagger.in > *:nth-child(8) { transition-delay: 0.54s; }

/* parallax helpers */
.parallax-up { will-change: transform; }

/* hero plinth float — subtle inner image bob (parent stays fixed for parallax JS) */
@keyframes plinthFloat {
  0%, 100% { transform: scale(1.4) translateY(15%); }
  50% { transform: scale(1.4) translateY(13%); }
}
.hero-plinth img { animation: plinthFloat 8s ease-in-out infinite; }
@media (max-width: 820px) {
  .hero-plinth img { animation: none; }
}

/* selection */
::selection { background: var(--gold); color: var(--ink); }

/* ───────── nav pill (estudiantes) ───────── */
.nav-pill {
  padding: 6px 14px;
  border: 1px solid currentColor;
  border-radius: 999px;
  opacity: 1 !important;
  transition: background 0.2s, color 0.2s;
}
.nav-pill:hover {
  background: var(--gold);
  color: var(--ink) !important;
  border-color: var(--gold);
}
.nav.dark .nav-pill:hover {
  background: var(--gold);
  color: var(--ink) !important;
}

/* ───────── trabajos / capacidades ───────── */
.works-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line-light);
  border: 1px solid var(--line-light);
}
.work-card {
  background: var(--bone-2);
  padding: 36px 30px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: background 0.3s;
}
.work-card:hover { background: var(--bone); }
.work-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.work-meta .num { opacity: 0.45; }
.work-meta .sector { color: var(--gold-deep); }
.work-viz {
  background: var(--bone);
  border: 1px solid var(--line-light);
  padding: 8px;
  margin: 4px 0;
  overflow: hidden;
}
.work-viz svg, .work-viz img, .work-viz video {
  width: 100%;
  height: 200px;
  display: block;
  object-fit: contain;
  background: var(--bone);
}
.work-viz video {
  object-fit: cover;
}
.work-viz .media-container {
  position: relative;
  width: 100%;
  height: 200px;
  overflow: hidden;
}
.work-viz .media-container img {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  transition: opacity 0.3s ease;
}
.work-viz .media-container .hover-img {
  opacity: 0;
}
.work-viz .media-container:hover .hover-img {
  opacity: 1;
}
.download-blueprint {
  margin-top: 10px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold-deep);
  transition: color 0.2s;
  text-decoration: none;
}
.download-blueprint:hover {
  color: var(--ink);
}
.work-card h3 {
  font-family: var(--serif);
  font-size: clamp(24px, 2.4vw, 32px);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.01em;
}
.work-card p {
  font-size: 14px;
  line-height: 1.55;
  opacity: 0.7;
  max-width: 42ch;
}
.work-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}
.work-tags span {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 10px;
  border: 1px solid var(--line-light);
  border-radius: 999px;
  opacity: 0.7;
}

.works-note {
  margin-top: 40px;
  padding: 24px 28px;
  border: 1px dashed rgba(10,10,10,0.18);
  border-radius: 14px;
  display: flex;
  align-items: center;
  gap: 20px;
  background: rgba(201,169,97,0.05);
}
.works-note .label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold-deep);
  flex-shrink: 0;
}
.works-note p {
  font-size: 14px;
  opacity: 0.8;
  margin: 0;
}
.works-note a {
  color: var(--gold-deep);
  font-weight: 500;
  border-bottom: 1px solid var(--gold);
  padding-bottom: 1px;
}

@media (max-width: 820px) {
  .works-grid { grid-template-columns: 1fr; }
  .work-card { padding: 28px 22px; }
  .works-note { flex-direction: column; align-items: flex-start; gap: 8px; padding: 20px 22px; }
}

/* ───────── FAQ ───────── */
.faq-list {
  border-top: 1px solid var(--line-light);
}
.faq-item {
  border-bottom: 1px solid var(--line-light);
  transition: background 0.3s;
}
.faq-item[open] { background: rgba(201,169,97,0.04); }
.faq-item summary {
  display: grid;
  grid-template-columns: 80px 1fr 40px;
  gap: 20px;
  padding: 28px 4px;
  align-items: center;
  cursor: pointer;
  list-style: none;
  transition: padding 0.3s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item:hover summary { padding-left: 16px; }
.faq-item .q-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  opacity: 0.5;
}
.faq-item .q-text {
  font-family: var(--serif);
  font-size: clamp(20px, 2vw, 26px);
  line-height: 1.2;
  letter-spacing: -0.005em;
}
.faq-item .q-toggle {
  font-family: var(--mono);
  font-size: 24px;
  font-weight: 300;
  color: var(--gold-deep);
  text-align: right;
  transition: transform 0.3s;
}
.faq-item[open] .q-toggle { transform: rotate(45deg); }
.faq-item .a {
  padding: 0 4px 28px 100px;
  font-size: 15px;
  line-height: 1.6;
  max-width: 68ch;
  opacity: 0.78;
  animation: faqOpen 0.4s cubic-bezier(0.2,0.7,0.2,1);
}
.faq-item .a a {
  color: var(--gold-deep);
  border-bottom: 1px solid var(--gold);
}
@keyframes faqOpen {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 0.78; transform: translateY(0); }
}

@media (max-width: 820px) {
  .faq-item summary { grid-template-columns: 40px 1fr 32px; gap: 12px; padding: 20px 4px; }
  .faq-item .q-num { font-size: 9px; }
  .faq-item .a { padding: 0 4px 20px 52px; }
}

/* ───────── certificaciones ───────── */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line-light);
  border: 1px solid var(--line-light);
}
.cert-card {
  background: var(--bone);
  padding: 36px 30px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: background 0.3s;
}
.cert-card:hover { background: var(--bone-2); }
.cert-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.cert-meta .tag { color: var(--gold-deep); }
.cert-meta .code { opacity: 0.45; }
.cert-card h3 {
  font-family: var(--serif);
  font-size: clamp(24px, 2.4vw, 32px);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 0;
}
.cert-card .details {
  font-size: 14px;
  line-height: 1.55;
  opacity: 0.7;
}
.cert-card .details strong {
  font-weight: 500;
  color: var(--ink);
}
.cert-card .btn-ghost {
  margin-top: auto;
  align-self: flex-start;
}

@media (max-width: 820px) {
  .certs-grid { grid-template-columns: 1fr; }
  .cert-card { padding: 28px 22px; }
}