:root {
  --page: #fbfcf8;
  --surface: #ffffff;
  --soft: #eef4ef;
  --ink: #172126;
  --muted: #5f6f76;
  --line: #dce5df;
  --teal: #12646b;
  --teal-dark: #0c454a;
  --blue: #386da8;
  --amber: #d79b28;
  --amber-dark: #996915;
  --shadow: 0 18px 45px rgba(18, 43, 47, 0.12);
  --radius: 8px;
  --container: 1160px;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.55;
}

body.nav-open {
  overflow: hidden;
}

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

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

p,
h1,
h2,
h3 {
  margin-top: 0;
}

p:last-child {
  margin-bottom: 0;
}

.container {
  width: min(calc(100% - 40px), var(--container));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 14px;
  background: var(--surface);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid rgba(220, 229, 223, 0.74);
  backdrop-filter: blur(18px);
  transition: box-shadow 180ms ease, background 180ms ease;
}

.site-header.is-scrolled {
  box-shadow: 0 10px 32px rgba(15, 43, 47, 0.12);
}

.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  width: 210px;
  height: auto;
}

.brand-divider {
  width: 1px;
  height: 42px;
  background: var(--line);
}

.brand-dna {
  width: 55px;
  height: auto;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.94rem;
  color: #314044;
}

.main-nav a {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 11px;
  border-radius: var(--radius);
  transition: color 160ms ease, background 160ms ease;
}

.main-nav a:hover,
.main-nav a:focus-visible {
  color: var(--teal-dark);
  background: rgba(18, 100, 107, 0.08);
}

.main-nav .nav-cta {
  margin-left: 4px;
  background: var(--teal);
  color: #fff;
  padding-inline: 16px;
}

.main-nav .nav-cta:hover,
.main-nav .nav-cta:focus-visible {
  color: #fff;
  background: var(--teal-dark);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: var(--radius);
  cursor: pointer;
}

.nav-toggle-line {
  width: 19px;
  height: 2px;
  background: var(--ink);
  border-radius: 99px;
}

.hero {
  position: relative;
  min-height: min(76vh, 720px);
  padding-top: 76px;
  display: grid;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image: url("../img/hero-energia.jpg");
  background-size: cover;
  background-position: center;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(7, 24, 27, 0.88), rgba(7, 24, 27, 0.58) 46%, rgba(7, 24, 27, 0.2)),
    linear-gradient(0deg, rgba(7, 24, 27, 0.22), rgba(7, 24, 27, 0.12));
}

.hero-content {
  padding-block: 76px 56px;
  color: #fff;
}

.eyebrow {
  margin-bottom: 12px;
  color: var(--amber);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 820px;
  margin-bottom: 20px;
  font-size: clamp(2.65rem, 7vw, 6.1rem);
  line-height: 0.97;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 650px;
  margin-bottom: 30px;
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.2rem;
}

.hero-actions,
.blog-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  padding: 11px 18px;
  border: 1px solid transparent;
  font-weight: 700;
  line-height: 1.2;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button-primary {
  background: var(--amber);
  color: #1c170f;
}

.button-primary:hover,
.button-primary:focus-visible {
  background: #efb23c;
}

.button-ghost {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.46);
  background: rgba(255, 255, 255, 0.08);
}

.button-ghost:hover,
.button-ghost:focus-visible {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.16);
}

.button-light {
  background: #fff;
  color: var(--teal-dark);
  white-space: nowrap;
}

.signal-strip {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.signal-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
}

.signal-grid > div {
  min-height: 112px;
  display: grid;
  align-content: center;
  gap: 6px;
  padding: 22px 28px;
  background: var(--surface);
}

.signal-grid strong {
  font-size: 1.05rem;
  color: var(--teal-dark);
}

.signal-grid span {
  color: var(--muted);
  font-size: 0.96rem;
}

.section {
  padding-block: 88px;
}

.section-soft {
  background: var(--soft);
}

.section-heading {
  max-width: 780px;
  margin-bottom: 34px;
}

.section-heading.compact {
  max-width: 640px;
  margin-inline: auto;
  text-align: center;
}

.section h2 {
  margin-bottom: 14px;
  color: #13282c;
  font-size: clamp(2rem, 4vw, 3.45rem);
  line-height: 1.05;
  letter-spacing: 0;
}

.section-heading p,
.section-copy p {
  color: var(--muted);
  font-size: 1.06rem;
}

.split-layout,
.experience-layout,
.systems-layout,
.blog-layout,
.contact-layout,
.footer-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: clamp(28px, 6vw, 78px);
  align-items: center;
}

.about-panel {
  padding: 28px;
  border: 1px solid rgba(18, 100, 107, 0.18);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.74);
  box-shadow: var(--shadow);
}

.about-logos {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 26px;
}

.about-logos-illuminatio {
  width: 160px;
  height: auto;
  flex-shrink: 0;
}

.about-logos-dna {
  width: 50px;
  height: auto;
  flex-shrink: 0;
}

.about-logos-divider {
  width: 1px;
  height: 52px;
  background: var(--line);
}

.about-panel p {
  color: #314044;
  font-size: 1.08rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.service-card {
  min-height: 100%;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 14px 30px rgba(18, 43, 47, 0.08);
}

.service-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: calc(var(--radius) - 2px);
  margin-bottom: 18px;
  background: var(--soft);
}

.service-card h3,
.feature-list h3,
.team-card h3 {
  margin-bottom: 9px;
  color: #183236;
  line-height: 1.18;
  letter-spacing: 0;
}

.service-card p,
.feature-list p,
.team-card p {
  color: var(--muted);
  font-size: 0.98rem;
}

.section-accent {
  background: var(--teal);
  color: #fff;
}

.section-accent h2,
.section-accent .eyebrow {
  color: #fff;
}

.section-accent h2 {
  font-size: clamp(2rem, 4vw, 3.45rem);
}

.section-accent p {
  color: rgba(255, 255, 255, 0.84);
}

.systems-layout {
  grid-template-columns: minmax(0, 1fr) auto;
}

.feature-list {
  display: grid;
  gap: 14px;
}

.feature-list article {
  display: grid;
  grid-template-columns: 56px 1fr;
  column-gap: 18px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.feature-list span {
  grid-row: span 2;
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(18, 100, 107, 0.1);
  color: var(--teal-dark);
  font-weight: 700;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.team-card {
  display: grid;
  grid-template-columns: 168px 1fr;
  gap: 18px;
  min-height: 238px;
  padding: 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.team-card img {
  width: 168px;
  height: 202px;
  object-fit: cover;
  object-position: center top;
  border-radius: calc(var(--radius) - 2px);
  background: var(--soft);
}

.team-card img.team-photo-contain {
  object-fit: contain;
  object-position: center bottom;
  background: #f4f7f2;
}

.partners-section {
  background: var(--surface);
  border-block: 1px solid var(--line);
}

.partner-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  align-items: center;
}

.partner-strip img {
  width: 100%;
  height: 92px;
  object-fit: contain;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  filter: none;
}

.partners-accreditation {
  margin-top: 36px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.88rem;
}

.section-blog {
  background: #f8f6ef;
}

.blog-layout {
  grid-template-columns: minmax(0, 1fr) auto;
}

.blog-actions {
  justify-content: flex-end;
}

.text-link {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--teal-dark);
  font-weight: 700;
  border-bottom: 1px solid rgba(18, 100, 107, 0.36);
}

.contact-section {
  background: #12282d;
  color: #fff;
}

.contact-section h2,
.contact-section .eyebrow {
  color: #fff;
}

.contact-section p {
  color: rgba(255, 255, 255, 0.78);
}

.contact-box {
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
}

.contact-email,
.contact-phone {
  display: block;
  color: #fff;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.contact-email {
  margin-bottom: 8px;
  font-size: clamp(1.35rem, 4vw, 2rem);
}

.contact-phone {
  margin-bottom: 20px;
  color: #f2c060;
}

.site-footer {
  padding-block: 52px 28px;
  background: #f3f6f0;
  color: #35454a;
}

.footer-layout {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
}

.footer-layout img {
  width: 178px;
  margin-bottom: 18px;
  filter: grayscale(100%);
}

.footer-layout p {
  max-width: 520px;
  color: var(--muted);
}

.footer-layout nav {
  display: grid;
  gap: 10px;
  min-width: 190px;
}

.footer-layout nav a {
  color: #314044;
}

.footer-layout nav a:hover,
.footer-layout nav a:focus-visible {
  color: var(--teal-dark);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  margin-top: 38px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  color: #69777b;
  font-size: 0.92rem;
}

@media (max-width: 980px) {
  .nav-toggle {
    display: inline-flex;
  }

  .main-nav {
    position: fixed;
    inset: 76px 0 auto;
    display: none;
    grid-template-columns: 1fr;
    gap: 0;
    padding: 10px 20px 20px;
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 24px 42px rgba(15, 43, 47, 0.14);
  }

  .main-nav.is-open {
    display: grid;
  }

  .main-nav a {
    justify-content: flex-start;
    min-height: 48px;
  }

  .main-nav .nav-cta {
    margin: 8px 0 0;
    justify-content: center;
  }

  .split-layout,
  .experience-layout,
  .systems-layout,
  .blog-layout,
  .contact-layout,
  .footer-layout {
    grid-template-columns: 1fr;
  }

  .systems-layout,
  .blog-layout {
    align-items: start;
  }

  .blog-actions {
    justify-content: flex-start;
  }

  .card-grid,
  .team-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .partner-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .container {
    width: min(calc(100% - 28px), var(--container));
  }

  .brand {
    gap: 8px;
  }

  .brand-logo {
    width: 148px;
  }

  .brand-divider {
    height: 34px;
  }

  .brand-dna {
    width: 42px;
  }

  .hero {
    min-height: 74svh;
  }

  .hero-content {
    padding-block: 60px 42px;
  }

  .hero h1 {
    font-size: clamp(2.4rem, 15vw, 4.3rem);
  }

  .hero-copy {
    max-width: 31ch;
    font-size: 1.04rem;
  }

  .hero-actions,
  .blog-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button,
  .text-link {
    width: 100%;
  }

  .signal-grid,
  .card-grid,
  .team-grid,
  .partner-strip {
    grid-template-columns: 1fr;
  }

  .section {
    padding-block: 64px;
  }

  .signal-grid > div {
    min-height: auto;
    padding: 20px 4px;
  }

  .team-card {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .team-card img {
    width: 100%;
    height: auto;
    aspect-ratio: 4 / 3;
  }

  .feature-list article {
    grid-template-columns: 1fr;
  }

  .feature-list span {
    grid-row: auto;
    margin-bottom: 14px;
  }

  .footer-bottom {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}