/* ==========================================================================
   NeuroMetrics PR — hoja de estilos principal
   ========================================================================== */

:root {
  --navy: #0A3054;
  --navy-dark: #071F38;
  --navy-mid: #123B63;
  --teal: #009CA8;
  --teal-dark: #007883;
  --teal-light: #3FC2C7;
  --teal-pale: #EAF6F7;
  --ink: #13233A;
  --gray-700: #45566B;
  --gray-500: #6B7A8C;
  --gray-300: #C9D3DC;
  --gray-100: #F4F7F9;
  --white: #FFFFFF;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 28px;
  --shadow-card: 0 12px 32px -16px rgba(10, 48, 84, 0.25);
  --shadow-soft: 0 4px 18px -8px rgba(10, 48, 84, 0.18);
  --max-width: 1180px;
  --section-pad: 96px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

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

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1, h2, h3, h4 {
  margin: 0;
  font-weight: 800;
  color: var(--navy);
  letter-spacing: -0.01em;
}

p {
  margin: 0;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 32px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal-dark);
  margin-bottom: 14px;
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--teal);
  border-radius: 2px;
}

.eyebrow--lg {
  font-size: 20px;
}

section {
  padding: var(--section-pad) 0;
}

.section-head {
  max-width: 640px;
  margin-bottom: 56px;
}

.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-head h2 {
  font-size: 34px;
  line-height: 1.2;
}

.section-head h3 {
  font-size: 25px;
  line-height: 1.2;
}

.section-head p {
  margin-top: 16px;
  font-size: 17px;
  color: var(--gray-700);
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 15px 30px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--teal);
  color: var(--white);
  box-shadow: var(--shadow-soft);
}

.btn-primary:hover {
  background: var(--teal-dark);
}

.btn-outline {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.55);
  color: var(--white);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--white);
}

.btn-outline-navy {
  background: transparent;
  border-color: var(--navy);
  color: var(--navy);
}

.btn-outline-navy:hover {
  background: var(--navy);
  color: var(--white);
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--teal-dark);
  font-weight: 700;
  font-size: 15px;
}

.link-arrow svg {
  transition: transform 0.15s ease;
}

.link-arrow:hover svg {
  transform: translateX(4px);
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--gray-100);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 84px;
  flex-wrap: nowrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-mark {
  flex: none;
  height: 34px;
  width: auto;
}

.brand-word {
  font-size: 21px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-word .n1 { color: var(--navy); }
.brand-word .n2 { color: var(--teal); }

.brand-tagline {
  display: block;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--gray-500);
  text-transform: uppercase;
  margin-top: 1px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 40px;
}

.main-nav ul {
  display: flex;
  gap: 32px;
}

.main-nav a {
  font-size: 15px;
  font-weight: 600;
  color: var(--navy);
  padding: 8px 0;
  border-bottom: 2px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.main-nav a:hover {
  color: var(--teal-dark);
  border-color: var(--teal);
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 22px;
}

.nav-cta {
  display: none;
}

.lang-switch {
  flex: none;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--navy);
  border: 1.5px solid var(--gray-100);
  border-radius: 999px;
  padding: 6px 14px;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.lang-switch:hover {
  border-color: var(--teal);
  color: var(--teal-dark);
}

.nav-toggle {
  display: none;
  flex: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--navy);
  margin: 5px 0;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  background: radial-gradient(120% 140% at 85% 0%, var(--navy-mid) 0%, var(--navy) 45%, var(--navy-dark) 100%);
  overflow: hidden;
  padding: 110px 0 130px;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(2px 2px at 20% 30%, rgba(255,255,255,0.18) 0, transparent 60%),
    radial-gradient(2px 2px at 60% 70%, rgba(255,255,255,0.14) 0, transparent 60%),
    radial-gradient(2px 2px at 85% 20%, rgba(255,255,255,0.16) 0, transparent 60%);
  pointer-events: none;
}

.hero .container {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: var(--teal-light);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 26px;
}

.hero h1 {
  color: var(--white);
  font-size: 52px;
  line-height: 1.14;
  font-weight: 800;
  max-width: 640px;
}

.hero h1 .accent {
  color: var(--teal-light);
}

.hero .lead {
  margin-top: 24px;
  font-size: 18px;
  color: rgba(255, 255, 255, 0.78);
  max-width: 520px;
}

.hero-actions {
  margin-top: 40px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-figure {
  position: relative;
  justify-self: center;
}

.hero-figure svg {
  width: 100%;
  height: auto;
  max-width: 380px;
}

/* ---------- Why / stats strip ---------- */

.why {
  background: var(--white);
}

.why .section-head {
  max-width: 820px;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.why-card {
  border-left: 3px solid var(--teal);
  padding-left: 20px;
}

.why-card .num {
  font-size: 40px;
  font-weight: 800;
  color: var(--navy);
  line-height: 1.1;
}

.why-card .num span {
  color: var(--teal);
}

.why-card p {
  margin-top: 10px;
  color: var(--gray-700);
  font-size: 15px;
}

/* ---------- Promise / two column ---------- */

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.split-text h2 {
  font-size: 32px;
  line-height: 1.25;
}

.split-text .lead {
  margin-top: 18px;
  font-size: 17px;
  color: var(--gray-700);
}

.check-list {
  margin-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15.5px;
  color: var(--ink);
}

.check-list .tick {
  flex: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--teal-pale);
  color: var(--teal-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 1px;
}

.pillar-list {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.pillar {
  display: flex;
  gap: 18px;
  align-items: flex-start;
}

.pillar-icon {
  flex: none;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--navy);
  display: flex;
  align-items: center;
  justify-content: center;
}

.pillar-icon.alt {
  background: var(--teal);
}

.pillar h3 {
  font-size: 17px;
  color: var(--navy);
}

.pillar p {
  margin-top: 6px;
  font-size: 15px;
  color: var(--gray-700);
}

.bg-tint {
  background: var(--teal-pale);
}

/* ---------- Mission/Vision + Pillars band ---------- */

.pillars-band {
  background: var(--navy);
  color: var(--white);
}

.pillars-band .section-head h2,
.pillars-band .section-head p {
  color: var(--white);
}

.pillars-band .section-head p {
  color: rgba(255, 255, 255, 0.72);
}

.mission-vision {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
  margin-bottom: 56px;
}

.mission-vision .section-head {
  margin-bottom: 0;
}

.tag-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.tag-pill {
  padding: 12px 22px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.06);
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
}

/* ---------- Services ---------- */

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.service-card .icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--teal-pale);
  color: var(--teal-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.service-card h3 {
  font-size: 19px;
}

.service-card p {
  margin-top: 10px;
  font-size: 15px;
  color: var(--gray-700);
  flex: 1;
}

.service-card .link-arrow {
  margin-top: 20px;
}

.service-card.featured {
  background: var(--navy);
  border-color: var(--navy);
}

.service-card.featured h3,
.service-card.featured p {
  color: var(--white);
}

.service-card.featured p {
  color: rgba(255, 255, 255, 0.75);
}

.service-card.featured .icon {
  background: rgba(255, 255, 255, 0.12);
  color: var(--teal-light);
}

.service-card.featured .link-arrow {
  color: var(--teal-light);
}

/* ---------- Team ---------- */

.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.team-grid--single {
  grid-template-columns: minmax(0, 420px);
  justify-content: center;
}

.team-card {
  background: var(--gray-100);
  border-radius: var(--radius-md);
  padding: 32px;
  text-align: left;
}

.avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--navy);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 20px;
  margin-bottom: 20px;
}

.team-card h3 {
  font-size: 18px;
}

.team-card .role {
  display: block;
  margin-top: 2px;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--teal-dark);
  letter-spacing: 0.02em;
}

.team-card p.bio {
  margin-top: 14px;
  font-size: 14.5px;
  color: var(--gray-700);
}

/* ---------- CTA banner ---------- */

.cta-banner {
  background: linear-gradient(120deg, var(--navy-dark), var(--navy) 55%, var(--teal-dark));
  padding: 80px 0;
  text-align: center;
}

.cta-banner h2 {
  color: var(--white);
  font-size: 32px;
  max-width: 680px;
  margin: 0 auto;
  line-height: 1.3;
}

.cta-banner p {
  margin-top: 16px;
  color: rgba(255, 255, 255, 0.75);
  font-size: 16px;
}

.cta-banner .hero-actions {
  justify-content: center;
  margin-top: 32px;
}

/* ---------- Footer ---------- */

.site-footer {
  background: var(--navy-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 72px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-brand .brand-word {
  color: var(--white);
}

.footer-brand .brand-word .n2 {
  color: var(--teal-light);
}

.footer-brand p {
  margin-top: 16px;
  font-size: 14px;
  line-height: 1.7;
  max-width: 280px;
  color: rgba(255, 255, 255, 0.6);
}

.footer-col h4 {
  color: var(--white);
  font-size: 14px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col a {
  font-size: 14.5px;
  transition: color 0.15s ease;
}

.footer-col a:hover {
  color: var(--white);
}

.footer-note {
  margin-top: 24px;
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.4);
}

.footer-bottom {
  margin-top: 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- Responsive ---------- */

@media (max-width: 960px) {
  :root {
    --section-pad: 72px;
  }

  .brand-tagline {
    display: none;
  }

  .header-cta .btn {
    display: none;
  }

  .main-nav ul {
    display: none;
  }

  .main-nav ul.is-open {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    gap: 0;
    padding: 8px 32px 24px;
    border-bottom: 1px solid var(--gray-100);
    box-shadow: var(--shadow-soft);
  }

  .main-nav ul.is-open li {
    width: 100%;
  }

  .main-nav ul.is-open a {
    display: block;
    padding: 14px 0;
  }

  .main-nav ul.is-open .nav-cta {
    display: block;
    margin-top: 8px;
  }

  .main-nav ul.is-open .nav-cta .btn {
    display: inline-flex;
    width: 100%;
  }

  .nav-toggle {
    display: block;
  }

  .hero .container {
    grid-template-columns: 1fr;
  }

  .hero-figure {
    display: none;
  }

  .hero h1 {
    font-size: 40px;
  }

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

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

  .team-grid--single {
    grid-template-columns: minmax(0, 420px);
  }

  .split {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .mission-vision {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

@media (max-width: 620px) {
  .container {
    padding: 0 20px;
  }

  .hero {
    padding: 90px 0 90px;
  }

  .hero h1 {
    font-size: 32px;
  }

  .hero-stats,
  .why-grid,
  .service-grid,
  .team-grid {
    grid-template-columns: 1fr;
  }

  .section-head h2 {
    font-size: 27px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}