:root {
  /* Colors */
  --red: #c8102e;
  --red-d: #9e0b22;
  --red-soft: #f6e7ea;
  --ink: #17110f;
  --ink-2: #2c2320;
  --muted: rgba(23, 17, 15, 0.62);
  --faint: rgba(23, 17, 15, 0.42);
  --line: rgba(23, 17, 15, 0.12);
  --bone: #fbf9f7;
  --bone-2: #f4efec;
  --white: #fff;
  --wa: #1fa855;
  --wa-d: #178a46;

  /* Opacity variants */
  --ink-10: rgba(23, 17, 15, 0.1);
  --ink-14: rgba(23, 17, 15, 0.14);
  --ink-30: rgba(23, 17, 15, 0.3);
  --ink-34: rgba(23, 17, 15, 0.34);
  --ink-55: rgba(23, 17, 15, 0.55);
  --ink-58: rgba(23, 17, 15, 0.58);
  --ink-65: rgba(23, 17, 15, 0.65);
  --ink-72: rgba(23, 17, 15, 0.72);
  --white-42: rgba(255, 255, 255, 0.42);
  --white-55: rgba(255, 255, 255, 0.55);
  --white-66: rgba(255, 255, 255, 0.66);
  --white-72: rgba(255, 255, 255, 0.72);
  --white-85: rgba(255, 255, 255, 0.85);

  /* Typography */
  --serif: "Newsreader", Georgia, serif;
  --sans: "IBM Plex Sans", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;

  /* Font sizes - usando clamp para mejor escalabilidad */
  --text-xs: clamp(0.625rem, 0.55rem + 0.3vw, 0.75rem); /* 10-12px */
  --text-sm: clamp(0.75rem, 0.7rem + 0.2vw, 0.875rem); /* 12-14px */
  --text-base: clamp(0.875rem, 0.8rem + 0.3vw, 1rem); /* 14-16px */
  --text-md: clamp(0.9375rem, 0.875rem + 0.25vw, 1.0625rem); /* 15-17px */
  --text-lg: clamp(1.125rem, 1rem + 0.5vw, 1.375rem); /* 18-22px */

  /* Layout */
  --pad: clamp(20px, 4vw, 44px);
  --max: 1180px;
}
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--bone);
  color: var(--ink);
  font: 400 16px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
}
a {
  color: var(--red);
}
a:hover {
  color: var(--red-d);
}
h1,
h2,
h3 {
  font-family: var(--serif);
  font-weight: 400;
  margin: 0;
  letter-spacing: -0.02em;
  text-wrap: balance;
}
p {
  margin: 0;
  text-wrap: pretty;
}
button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}
:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 3px;
}
.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
}
.eyebrow {
  font: 500 var(--text-xs)/1 var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faint);
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

/* Header */
.hdr {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(251, 249, 247, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.hdr .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 66px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--ink);
}
.brand-logo {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  object-fit: contain;
}
.brand-name {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.brand-name b {
  font: 400 17px/1 var(--serif);
  letter-spacing: -0.01em;
}
.brand-name small {
  font: 500 var(--text-xs)/1 var(--mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--faint);
}
.nav {
  display: flex;
  align-items: center;
  gap: 26px;
}
.nav-links {
  display: flex;
  gap: 22px;
}
.nav-links a {
  font: 500 var(--text-sm)/1 var(--sans);
  color: var(--ink-72);
  text-decoration: none;
}
.nav-links a:hover {
  color: var(--red);
}
.btn-dark {
  display: inline-flex;
  align-items: center;
  padding: 11px 18px;
  background: var(--ink);
  color: #fff;
  border-radius: 7px;
  font: 600 var(--text-sm)/1 var(--sans);
  text-decoration: none;
}
.btn-dark:hover {
  background: #000;
  color: #fff;
}
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 10px;
}
.burger span {
  width: 20px;
  height: 1.5px;
  background: var(--ink);
}

/* Hero */
.hero {
  background: linear-gradient(180deg, var(--bone) 0%, var(--bone-2) 100%);
  padding: clamp(36px, 6vw, 64px) 0 clamp(32px, 5vw, 48px);
}
.hero-top {
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  gap: 56px;
  align-items: end;
  margin-bottom: 40px;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 6px 12px;
  border: 1px solid rgba(200, 16, 46, 0.3);
  border-radius: 100px;
  font: 500 var(--text-xs)/1 var(--mono);
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--red);
}
.badge::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--red);
}
.hero h1 {
  margin: 20px 0 16px;
  font-size: clamp(32px, 4.6vw, 60px);
  line-height: 1.04;
  letter-spacing: -0.028em;
}
.hero-lead {
  max-width: 32em;
  font-size: clamp(15px, 1.4vw, 17px);
  color: var(--muted);
}
.hero-notes {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-bottom: 6px;
}
.hero-notes p {
  display: flex;
  gap: 14px;
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--muted);
}
.hero-notes p::before {
  content: "";
  flex: none;
  width: 1px;
  background: var(--red);
}
.doors-label {
  margin-bottom: 14px;
}
.doors {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.door {
  text-align: left;
  padding: 24px 22px 22px;
  border-radius: 14px;
  background: #fff;
  border: 1px solid var(--ink-14);
  box-shadow: 0 1px 2px rgba(23, 17, 15, 0.05);
  transition:
    background 0.22s,
    border-color 0.22s,
    box-shadow 0.22s,
    transform 0.22s;
}
.door:hover {
  border-color: var(--ink-30);
}
.door-num {
  display: block;
  font: 500 var(--text-xs)/1 var(--mono);
  letter-spacing: 0.14em;
  margin-bottom: 14px;
  color: var(--ink-34);
}
.door-title {
  display: block;
  margin-bottom: 8px;
  font: 400 22px/1.18 var(--serif);
  letter-spacing: -0.015em;
  color: var(--ink);
}
.door-lead {
  display: block;
  font-size: var(--text-sm);
  line-height: 1.55;
  color: var(--ink-58);
}
.door[aria-pressed="true"] {
  background: var(--ink);
  border-color: var(--ink);
  box-shadow: 0 14px 34px rgba(23, 17, 15, 0.24);
  transform: translateY(-2px);
}
.door[aria-pressed="true"] .door-num {
  color: var(--red);
}
.door[aria-pressed="true"] .door-title {
  color: #fff;
}
.door[aria-pressed="true"] .door-lead {
  color: var(--white-66);
}

/* Band */
.band {
  background: var(--ink);
}
.band .wrap {
  display: flex;
  align-items: center;
  gap: 18px;
  padding-top: 16px;
  padding-bottom: 16px;
}
.band .eyebrow {
  color: var(--white-42);
}
.seg {
  display: flex;
  gap: 4px;
  padding: 4px;
  background: rgba(255, 255, 255, 0.09);
  border-radius: 100px;
}
.seg button {
  padding: 9px 16px;
  border-radius: 100px;
  font: 600 var(--text-sm)/1 var(--sans);
  color: var(--white-72);
  transition:
    background 0.2s,
    color 0.2s;
}
.seg button[aria-pressed="true"] {
  background: var(--red);
  color: #fff;
}
.band-note {
  margin-left: auto;
  font-size: var(--text-sm);
  line-height: 1.4;
  color: var(--white-55);
  text-align: right;
}

/* Service panel */
.service {
  background: #fff;
  padding: clamp(36px, 5vw, 52px) 0;
}
.service .wrap {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
}
.tag {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 100px;
  background: var(--red-soft);
  font: 600 var(--text-xs)/1 var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--red-d);
  margin-bottom: 18px;
}
.service h2 {
  font-size: clamp(27px, 3vw, 36px);
  line-height: 1.14;
  margin-bottom: 14px;
}
.service-blurb {
  max-width: 30em;
  font-size: var(--text-md);
  line-height: 1.68;
  color: var(--muted);
  margin-bottom: 30px;
}
.items {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 28px;
}
.items li {
  display: flex;
  gap: 12px;
  padding-top: 13px;
  border-top: 1px solid var(--line);
  font-size: var(--text-base);
  line-height: 1.5;
  color: var(--ink-2);
}
.items li::before {
  content: "";
  flex: none;
  margin-top: 7px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--red);
}
.aside {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.card {
  padding: 26px;
  background: var(--bone);
  border: 1px solid var(--ink-10);
  border-radius: 14px;
}
.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}
.card-head strong {
  font: 600 15px/1.3 var(--sans);
}
.pill-dark {
  padding: 5px 11px;
  border-radius: 100px;
  background: var(--ink);
  font: 500 var(--text-xs)/1 var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #fff;
  white-space: nowrap;
}
.card-lead {
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--muted);
  margin-bottom: 18px;
}
.msg {
  padding: 14px 16px;
  background: #fff;
  border: 1px solid var(--line);
  border-left: 3px solid var(--wa);
  border-radius: 8px;
  margin-bottom: 16px;
}
.msg .eyebrow {
  display: block;
  margin-bottom: 9px;
}
.msg p {
  font-size: var(--text-sm);
  line-height: 1.55;
  color: var(--ink-2);
}
.btn-wa {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 54px;
  background: var(--wa);
  color: #fff;
  border-radius: 9px;
  font: 700 var(--text-md)/1 var(--sans);
  text-decoration: none;
  transition: background 0.2s;
}
.btn-wa:hover {
  background: var(--wa-d);
  color: #fff;
}
.btn-wa svg {
  width: 20px;
  height: 20px;
  fill: #fff;
}
.card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 14px;
  font-size: var(--text-xs);
  line-height: 1.4;
  color: var(--faint);
}
.card-foot a {
  font: 600 var(--text-sm)/1 var(--sans);
  text-decoration: none;
}
.socio {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 18px;
  background: var(--ink);
  border-radius: 14px;
}
.avatar {
  flex: none;
  width: 100px;
  height: 100px;
  border-radius: 10px;
  background: linear-gradient(
    160deg,
    rgba(255, 255, 255, 0.2),
    rgba(255, 255, 255, 0.07)
  );
  object-fit: cover;
}
.socio .eyebrow {
  display: block;
  color: var(--white-42);
  margin-bottom: 7px;
  font-size: var(--text-xs);
}
.socio-name {
  font: 400 var(--text-lg)/1.2 var(--serif);
  color: #fff;
}
.socio-rol {
  margin-top: 4px;
  font-size: var(--text-sm);
  line-height: 1.4;
  color: var(--white-55);
}

/* Steps */
.steps {
  background: var(--bone);
  border-top: 1px solid var(--line);
  padding: clamp(36px, 5vw, 52px) 0;
}
.sec-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 26px;
  flex-wrap: wrap;
}
.sec-head h2 {
  font-size: clamp(26px, 2.8vw, 32px);
  line-height: 1.15;
}
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.steps-grid li {
  padding-top: 16px;
  border-top: 2px solid var(--ink);
}
.step-n {
  display: block;
  font: 500 var(--text-xs)/1 var(--mono);
  letter-spacing: 0.12em;
  color: var(--red);
  margin-bottom: 12px;
}
.steps-grid h3 {
  font-size: var(--text-lg);
  line-height: 1.2;
  letter-spacing: -0.015em;
  margin-bottom: 8px;
}
.steps-grid p {
  font-size: var(--text-base);
  line-height: 1.62;
  color: var(--muted);
}

/* Stats */
.stats {
  background: #fff;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.stats .wrap {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.stat {
  padding: 26px 0;
}
.stat b {
  display: block;
  font: 400 32px/1 var(--serif);
  letter-spacing: -0.02em;
}
.stat span {
  display: block;
  margin-top: 8px;
  font-size: var(--text-sm);
  line-height: 1.45;
  color: var(--ink-55);
}

/* Partners */
.partners {
  background: #fff;
}
.partners .wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}
.partner {
  display: flex;
  gap: 22px;
  padding: 38px 0;
}
.partner + .partner {
  padding-left: 44px;
  border-left: 1px solid var(--line);
}
.portrait {
  flex: none;
  width: 200px;
  height: 250px;
  border-radius: 8px;
  background: linear-gradient(160deg, #efe9e6, #e2dad6);
  object-fit: cover;
}
.partner h3 {
  font-size: 24px;
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin-bottom: 6px;
}
.partner .eyebrow {
  display: block;
  color: var(--red);
  font-size: var(--text-xs);
  letter-spacing: 0.13em;
  margin-bottom: 12px;
}
.partner p {
  font-size: var(--text-sm);
  line-height: 1.62;
  color: var(--muted);
}

/* FAQ */
.faq {
  background: var(--bone-2);
  padding: clamp(36px, 5vw, 52px) 0;
}
.faq .wrap {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 48px;
}
.faq h2 {
  font-size: 30px;
  line-height: 1.15;
  margin-bottom: 14px;
}
.faq-lead {
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--muted);
}
.faq details + details {
  border-top: 1px solid var(--ink-14);
}
.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 0;
  cursor: pointer;
  list-style: none;
  font: 500 var(--text-md)/1.4 var(--sans);
}
.faq summary::-webkit-details-marker {
  display: none;
}
.faq summary:hover {
  color: var(--red);
}
.faq summary::after {
  content: "+";
  flex: none;
  font: 400 17px/1 var(--mono);
  color: var(--red);
}
.faq details[open] summary::after {
  content: "−";
}
.faq details p {
  padding: 0 44px 20px 0;
  font-size: var(--text-base);
  line-height: 1.72;
  color: var(--ink-65);
}

/* CTA + footer */
.cta {
  background: var(--red);
}
.cta .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  padding-top: 46px;
  padding-bottom: 46px;
}
.cta h2 {
  font-size: clamp(28px, 3vw, 36px);
  line-height: 1.1;
  color: #fff;
  margin-bottom: 10px;
}
.cta p {
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--white-85);
}
.cta .btn-big {
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 18px 28px;
  background: var(--ink);
  color: #fff;
  border-radius: 8px;
  font: 600 15px/1 var(--sans);
  text-decoration: none;
}
.cta .btn-big:hover {
  background: #000;
  color: #fff;
}
.ftr {
  background: var(--ink);
}
.ftr .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: 22px;
  padding-bottom: 22px;
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--white-55);
}

/* Floating WhatsApp */
.fab {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 22px 14px 16px;
  background: var(--wa);
  border-radius: 100px;
  box-shadow: 0 10px 30px rgba(31, 168, 85, 0.42);
  color: #fff;
  font: 700 var(--text-base)/1 var(--sans);
  text-decoration: none;
  transition:
    transform 0.2s,
    background 0.2s;
}
.fab:hover {
  background: var(--wa-d);
  color: #fff;
  transform: translateY(-2px);
}
.fab-ico {
  flex: none;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  display: grid;
  place-items: center;
}
.fab-ico svg {
  width: 20px;
  height: 20px;
  fill: #fff;
}

/* Responsive */
@media (max-width: 960px) {
  .nav-links {
    display: none;
  }
  .hero-top {
    grid-template-columns: 1fr;
    gap: 24px;
    margin-bottom: 30px;
  }
  .service .wrap,
  .faq .wrap {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .stats .wrap {
    grid-template-columns: 1fr 1fr;
  }
  .partners .wrap {
    grid-template-columns: 1fr;
  }
  .partner + .partner {
    padding-left: 0;
    border-left: 0;
    border-top: 1px solid var(--line);
  }
  .band-note {
    display: none;
  }
}
@media (max-width: 720px) {
  .hdr .btn-dark {
    display: none;
  }
  .burger {
    display: flex;
  }
  .nav.open .nav-links {
    display: flex;
    position: absolute;
    top: 66px;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--bone);
    border-bottom: 1px solid var(--line);
  }
  .nav.open .nav-links a {
    padding: 16px var(--pad);
    border-top: 1px solid var(--line);
    font-size: 15px;
  }
  .doors {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .door {
    padding: 18px;
    border-radius: 12px;
  }
  .band .wrap {
    flex-direction: column;
    align-items: stretch;
    gap: 11px;
  }
  .seg button {
    flex: 1;
    text-align: center;
    padding: 10px 8px;
    font-size: var(--text-sm);
  }
  .items {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .steps-grid {
    grid-template-columns: 1fr;
    gap: 22px;
  }
  .partner {
    gap: 16px;
  }
  .portrait {
    width: 101px;
    height: 125px;
  }
  .faq details p {
    padding-right: 0;
  }
  .cta .wrap {
    flex-direction: column;
    align-items: flex-start;
    gap: 22px;
  }
  .cta .btn-big {
    width: 100%;
    justify-content: center;
  }
  .ftr .wrap {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding-bottom: 100px;
  }
  .fab {
    right: 16px;
    bottom: 16px;
    width: 60px;
    height: 60px;
    padding: 0;
    justify-content: center;
  }
  .fab-ico {
    width: auto;
    height: auto;
    background: none;
  }
  .fab-ico svg {
    width: 30px;
    height: 30px;
  }
  .fab-label {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
  }
}
@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    scroll-behavior: auto !important;
  }
}