:root {
  --background: #FFFFFF;
  --paper: #FFFFFF;
  --primary: #0B2D5B;
  --technology: #2563EB;
  --success: #10B981;
  --text: #0B2D5B;
  --muted: #64748B;
  --line: #E5E7EB;
  --surface: #F8FAFC;
  --max-width: 1180px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--background);
  color: var(--text);
  font-family: "Inter", Arial, Helvetica, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
}

/* HEADER */

.site-header {
  width: 100%;
  min-height: 88px;
  padding: 0 max(6%, calc((100% - var(--max-width)) / 2));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.97);
}

.brand {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.brand img {
  display: block;
  width: 190px;
  height: auto;
  max-height: 58px;
  object-fit: contain;
  object-position: left center;
}

.footer-brand img {
  width: 170px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 34px;
}

.main-nav a,
.header-link {
  font-family: "Montserrat", "Inter", Arial, sans-serif;
  font-size: 12px;
  font-weight: 600;
  transition: color 0.2s ease, opacity 0.2s ease;
}

.main-nav a:hover {
  color: var(--technology);
}

.header-link {
  padding: 10px 20px;
  border: 1px solid var(--primary);
  color: var(--primary);
  transition: background 0.2s ease, color 0.2s ease;
}

.header-link:hover {
  background: var(--primary);
  color: var(--paper);
}

/* HERO */

.hero {
  max-width: var(--max-width);
  min-height: 590px;
  margin: 0 auto;
  padding: 90px 35px;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 70px;
}

.eyebrow {
  margin-bottom: 22px;
  color: var(--technology);
  font-family: "Montserrat", "Inter", Arial, sans-serif;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2px;
}

.hero h1 {
  max-width: 650px;
  color: var(--primary);
  font-family: "Montserrat", "Inter", Arial, sans-serif;
  font-size: clamp(42px, 5.2vw, 67px);
  line-height: 1.1;
  letter-spacing: -2.5px;
  font-weight: 700;
}

.hero h1 span {
  color: var(--technology);
}

.hero-description {
  max-width: 490px;
  margin: 28px 0 32px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
}

.button-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 49px;
  padding: 0 23px;
  background: var(--primary);
  color: var(--paper);
  font-family: "Montserrat", "Inter", Arial, sans-serif;
  font-size: 12px;
  font-weight: 700;
  transition: background 0.2s ease, transform 0.2s ease;
}

.button-primary:hover {
  background: var(--technology);
  transform: translateY(-2px);
}

/* HERO VISUAL */

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.visual-frame {
  width: 100%;
  max-width: 390px;
  min-height: 390px;
  padding: 35px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: var(--primary);
  color: var(--paper);
  position: relative;
  overflow: hidden;
}

.visual-frame::before,
.visual-frame::after {
  content: "";
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 50%;
  width: 310px;
  height: 310px;
  right: -130px;
  top: 80px;
}

.visual-frame::after {
  width: 220px;
  height: 220px;
  right: -85px;
  top: 125px;
}

.visual-label {
  font-family: "Montserrat", "Inter", Arial, sans-serif;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 2px;
  color: #DCE8F7;
}

.visual-mark {
  font-family: "Montserrat", "Inter", Arial, sans-serif;
  font-size: 104px;
  line-height: 1;
  font-weight: 700;
  letter-spacing: -8px;
  z-index: 1;
}

.visual-mark span {
  color: var(--success);
  font-size: 35px;
  letter-spacing: 0;
}

.visual-line {
  width: 55px;
  height: 3px;
  background: var(--technology);
  margin-bottom: 10px;
}

.visual-frame p {
  font-size: 12px;
  letter-spacing: 1px;
  color: #DCE8F7;
}

/* INTRODUCTION */

.intro {
  padding: 105px 25px;
  background: var(--surface);
  text-align: center;
}

.intro h2,
.section-heading h2,
.methodology h2,
.contact h2 {
  max-width: 750px;
  margin: 0 auto;
  color: var(--primary);
  font-family: "Montserrat", "Inter", Arial, sans-serif;
  font-size: clamp(30px, 4vw, 43px);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -1.5px;
}

.intro > p:last-child {
  max-width: 650px;
  margin: 25px auto 0;
  color: var(--muted);
  font-size: 15px;
}

/* AUDIT AREAS */

.audit-areas {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 110px 35px;
}

.section-heading {
  margin-bottom: 45px;
}

.section-heading h2 {
  margin: 0;
}

.areas-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 15px;
}

.area-card {
  min-height: 215px;
  padding: 28px;
  border: 1px solid var(--line);
  background: var(--paper);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.area-card:hover {
  transform: translateY(-4px);
  border-color: var(--technology);
}

.area-card > span,
.method-grid article > span {
  color: var(--technology);
  font-family: "Montserrat", "Inter", Arial, sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
}

.area-card h3 {
  margin: 25px 0 10px;
  color: var(--primary);
  font-family: "Montserrat", "Inter", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.4;
  font-weight: 600;
}

.area-card p,
.method-grid p {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

/* METHODOLOGY */

.methodology {
  padding: 105px max(6%, calc((100% - var(--max-width)) / 2));
  background: var(--surface);
}

.methodology h2 {
  margin: 0 0 55px;
}

.method-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.method-grid article {
  padding-top: 20px;
  border-top: 2px solid var(--line);
  transition: border-color 0.2s ease;
}

.method-grid article:hover {
  border-color: var(--technology);
}

.method-grid h3 {
  margin: 20px 0 10px;
  color: var(--primary);
  font-family: "Montserrat", "Inter", Arial, sans-serif;
  font-size: 17px;
  font-weight: 600;
}

/* CONTACT */

.contact {
  padding: 110px 25px;
  background: var(--paper);
  text-align: center;
}

.contact > p:not(.eyebrow) {
  margin: 22px auto 28px;
  color: var(--muted);
  font-size: 14px;
}

/* FOOTER */

.site-footer {
  min-height: 130px;
  padding: 35px max(6%, calc((100% - var(--max-width)) / 2));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 25px;
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.site-footer p {
  color: var(--muted);
  font-size: 11px;
}

/* ACCESSIBILITY */

a:focus-visible {
  outline: 3px solid var(--technology);
  outline-offset: 4px;
}

/* TABLET */

@media (max-width: 850px) {
  .site-header {
    padding: 20px 5%;
    flex-wrap: wrap;
  }

  .main-nav {
    order: 3;
    width: 100%;
    justify-content: center;
    gap: 22px;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 55px;
    padding: 75px 7%;
  }

  .hero-visual {
    justify-content: flex-start;
  }

  .visual-frame {
    max-width: 100%;
    min-height: 310px;
  }

  .areas-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .method-grid {
    grid-template-columns: repeat(2, 1fr);
    row-gap: 40px;
  }

  .site-footer {
    flex-wrap: wrap;
  }
}

/* MOBILE */

@media (max-width: 520px) {
  .site-header {
    min-height: auto;
    gap: 15px;
  }

  .brand img {
    width: 150px;
    max-height: 46px;
  }

  .footer-brand img {
    width: 150px;
  }

  .main-nav {
    justify-content: flex-start;
    gap: 17px;
    overflow-x: auto;
  }

  .main-nav a {
    font-size: 11px;
    white-space: nowrap;
  }

  .header-link {
    padding: 8px 12px;
    font-size: 11px;
  }

  .hero {
    padding: 65px 6%;
  }

  .hero h1 {
    font-size: 43px;
    letter-spacing: -2px;
  }

  .hero-description {
    font-size: 14px;
  }

  .visual-frame {
    min-height: 270px;
    padding: 27px;
  }

  .visual-mark {
    font-size: 82px;
  }

  .intro,
  .audit-areas,
  .methodology,
  .contact {
    padding-top: 75px;
    padding-bottom: 75px;
  }

  .areas-grid,
  .method-grid {
    grid-template-columns: 1fr;
  }

  .area-card {
    min-height: 175px;
  }

  .intro h2,
  .section-heading h2,
  .methodology h2,
  .contact h2 {
    font-size: 32px;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }
}

/* AJUSTE RESPONSIVE DEL LOGOTIPO Y ENCABEZADO */

@media (max-width: 520px) {
  .site-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    column-gap: 12px;
    row-gap: 14px;
    padding: 16px 5%;
  }

  .site-header > .brand {
    grid-column: 1;
    min-width: 0;
    max-width: 100%;
  }

  .site-header > .brand img {
    width: clamp(104px, 36vw, 150px);
    max-width: 100%;
    height: auto;
    max-height: none;
  }

  .site-header > .header-link {
    grid-column: 2;
    justify-self: end;
    max-width: 145px;
    padding: 8px 10px;
    text-align: center;
    white-space: normal;
    font-size: 10px;
  }

  .site-header .main-nav {
    grid-column: 1 / -1;
    width: 100%;
    min-width: 0;
    justify-content: space-between;
    gap: 10px;
    overflow: visible;
  }

  .site-header .main-nav a {
    font-size: clamp(9px, 2.6vw, 11px);
    white-space: normal;
  }

  .footer-brand img {
    width: clamp(130px, 44vw, 160px);
    max-height: none;
  }
}

/* PAGINAS LEGALES */

.legal-main {
  min-height: 70vh;
  padding: 65px 22px 90px;
  background: var(--surface);
}

.legal-document {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  padding: clamp(28px, 6vw, 70px);
  background: var(--paper);
  border: 1px solid var(--line);
}

.legal-back-link {
  display: inline-block;
  margin-bottom: 45px;
  color: var(--technology);
  font-size: 13px;
  font-weight: 600;
}

.legal-back-link:hover,
.legal-bottom a:hover {
  text-decoration: underline;
}

.legal-title {
  max-width: 850px;
  color: var(--primary);
  font-family: "Montserrat", "Inter", Arial, sans-serif;
  font-size: clamp(30px, 4.5vw, 44px);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -1.3px;
}

.legal-meta {
  margin: 28px 0 38px;
  padding: 20px 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 25px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}

.legal-meta p:first-child {
  color: var(--primary);
  font-family: "Montserrat", "Inter", Arial, sans-serif;
  font-weight: 700;
}

.legal-content {
  max-width: 790px;
  color: var(--text);
  font-size: 14px;
  line-height: 1.85;
}

.legal-content h2 {
  margin: 38px 0 13px;
  color: var(--primary);
  font-family: "Montserrat", "Inter", Arial, sans-serif;
  font-size: 19px;
  line-height: 1.4;
  font-weight: 700;
}

.legal-content p {
  margin: 0 0 15px;
}

.legal-content ul {
  margin: 0 0 20px;
  padding-left: 24px;
}

.legal-content li {
  margin-bottom: 7px;
  padding-left: 4px;
}

.legal-content a {
  color: var(--technology);
  text-decoration: underline;
  text-underline-offset: 3px;
  overflow-wrap: anywhere;
}

.legal-bottom {
  margin-top: 45px;
  padding-top: 25px;
  display: flex;
  flex-wrap: wrap;
  gap: 15px 30px;
  border-top: 1px solid var(--line);
}

.legal-bottom a {
  color: var(--technology);
  font-size: 13px;
  font-weight: 600;
}

@media (max-width: 520px) {
  .legal-main {
    padding: 25px 12px 50px;
  }

  .legal-document {
    padding: 25px 20px;
  }

  .legal-back-link {
    margin-bottom: 30px;
  }

  .legal-title {
    font-size: 29px;
  }

  .legal-meta {
    flex-direction: column;
    gap: 5px;
  }

  .legal-content {
    font-size: 13px;
  }

  .legal-content h2 {
    font-size: 17px;
  }

  .legal-bottom {
    flex-direction: column;
    gap: 12px;
  }
}
/* ENLACES LEGALES EN EL PIE DE PAGINA */

.footer-legal a {
  color: var(--technology);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.footer-legal a:hover {
  color: var(--primary);
}
/* HERO - NUEVOS ACCESOS POR AUDIENCIA */

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 25px;
}

.hero-actions .button-primary,
.hero-actions .header-link {
  display: inline-flex;
  min-height: 49px;
  align-items: center;
  justify-content: center;
}

.hero-claim {
  color: var(--muted);
  font-family: "Montserrat", "Inter", Arial, sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2px;
}

@media (max-width: 520px) {
  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .hero-actions a {
    width: 100%;
    text-align: center;
  }
}