:root {
  --navy: #0a2f5c;
  --navy-deep: #061f3d;
  --blue: #0959ad;
  --blue-soft: #3d7fc4;
  --green: #78b82a;
  --green-deep: #5f9620;
  --green-soft: #e8f4d8;
  --ink: #1a2b3c;
  --muted: #5a6b7d;
  --line: rgba(10, 47, 92, 0.12);
  --paper: #f7fafc;
  --white: #ffffff;
  --shadow: 0 18px 50px rgba(6, 31, 61, 0.14);
  --radius: 18px;
  --max: 1120px;
  --font-display: "Source Serif 4", "Times New Roman", serif;
  --font-body: "Manrope", "Segoe UI", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(120, 184, 42, 0.08), transparent 55%),
    radial-gradient(900px 420px at 100% 0%, rgba(9, 89, 173, 0.1), transparent 50%),
    linear-gradient(180deg, #f4f8fb 0%, #ffffff 28%, #f7fafc 100%);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

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

.container {
  width: min(var(--max), calc(100% - 2.5rem));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(14px);
  background: rgba(247, 250, 252, 0.86);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 8px 24px rgba(6, 31, 61, 0.06);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
}

.brand img,
.brand svg,
.brand-mark {
  width: 36px;
  height: auto;
  object-fit: contain;
  flex-shrink: 0;
  display: block;
}

.hero-brand img,
.hero-brand .brand-mark {
  width: 52px;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 8px 18px rgba(0, 0, 0, 0.25));
}

.brand-text {
  display: grid;
  line-height: 1.05;
}

.brand-text strong {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: 0.01em;
}

.brand-text strong span {
  color: var(--green);
}

.brand-text small {
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  border-top: 1px solid var(--line);
  margin-top: 0.2rem;
  padding-top: 0.18rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.35rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--navy);
  opacity: 0.82;
  transition: opacity 0.2s ease, color 0.2s ease;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  opacity: 1;
  color: var(--blue);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  border: 0;
  border-radius: 999px;
  padding: 0.85rem 1.35rem;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--green) 0%, var(--green-deep) 100%);
  color: var(--white);
  box-shadow: 0 10px 24px rgba(120, 184, 42, 0.28);
}

.btn-primary:hover {
  box-shadow: 0 14px 28px rgba(120, 184, 42, 0.36);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255, 255, 255, 0.55);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
}

.btn-navy {
  background: var(--navy);
  color: var(--white);
  box-shadow: 0 12px 28px rgba(10, 47, 92, 0.22);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--white);
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--navy);
  position: relative;
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: var(--navy);
}

.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }

/* Hero */
.hero {
  position: relative;
  min-height: min(92vh, 820px);
  display: grid;
  align-items: end;
  overflow: hidden;
  color: var(--white);
  isolation: isolate;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(115deg, rgba(6, 31, 61, 0.9) 0%, rgba(6, 31, 61, 0.72) 42%, rgba(9, 89, 173, 0.35) 100%),
    url("../assets/oficina.jpg") center / cover no-repeat;
  transform: scale(1.04);
  animation: heroZoom 14s ease-out forwards;
}

.hero-waves {
  position: absolute;
  inset: auto 0 0 0;
  height: 38%;
  z-index: -1;
  background:
    radial-gradient(ellipse at 20% 120%, rgba(120, 184, 42, 0.18), transparent 55%),
    repeating-linear-gradient(
      180deg,
      transparent 0 18px,
      rgba(255, 255, 255, 0.045) 18px 19px
    );
  mask-image: linear-gradient(to top, black 20%, transparent 100%);
  pointer-events: none;
}

.hero-content {
  width: min(var(--max), calc(100% - 2.5rem));
  margin: 0 auto 5.5rem;
  max-width: 42rem;
  animation: riseIn 0.9s ease both;
}

.hero-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 1.4rem;
}

.hero-brand .brand-text strong {
  color: var(--white);
  font-size: 2rem;
}

.hero-brand .brand-text small {
  color: rgba(255, 255, 255, 0.72);
  border-top-color: rgba(255, 255, 255, 0.28);
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 4.4vw, 3.35rem);
  line-height: 1.12;
  font-weight: 800;
  letter-spacing: -0.02em;
  max-width: 14ch;
}

.hero h1 em {
  font-style: normal;
  color: var(--green);
}

.hero p {
  margin: 0 0 1.8rem;
  font-size: 1.08rem;
  color: rgba(255, 255, 255, 0.86);
  max-width: 38ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

/* Sections */
section {
  padding: 5.5rem 0;
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--green-deep);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 0.85rem;
}

.section-kicker::before {
  content: "";
  width: 1.4rem;
  height: 3px;
  border-radius: 99px;
  background: var(--green);
}

.section-title {
  margin: 0 0 1rem;
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  line-height: 1.15;
  color: var(--navy);
  letter-spacing: -0.02em;
  max-width: 18ch;
}

.section-lead {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 54ch;
}

.split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3.5rem;
  align-items: center;
}

.split-media {
  position: relative;
  min-height: 420px;
  border-radius: 28px;
  overflow: hidden;
  background:
    linear-gradient(160deg, rgba(10, 47, 92, 0.35), rgba(9, 89, 173, 0.12)),
    url("../assets/equipo-campo.jpg") center / cover no-repeat;
  box-shadow: var(--shadow);
}

.split-media--electrica {
  background:
    linear-gradient(160deg, rgba(10, 47, 92, 0.28), rgba(9, 89, 173, 0.1)),
    url("../assets/energia-electrica.jpg") center / cover no-repeat;
}

.energy-mosaic {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin: 2.4rem 0 1.5rem;
}

.energy-tile {
  position: relative;
  min-height: 280px;
  border-radius: 22px;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  color: var(--white);
  box-shadow: var(--shadow);
  transition: transform 0.25s ease;
  background: var(--navy-deep);
}

.energy-tile:hover {
  transform: translateY(-4px);
}

.energy-tile-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  z-index: 0;
  transition: transform 0.45s ease;
}

.energy-tile::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(6, 31, 61, 0.12) 0%, rgba(6, 31, 61, 0.88) 100%);
  pointer-events: none;
}

.energy-tile:hover .energy-tile-media {
  transform: scale(1.05);
}

.energy-tile-body {
  position: relative;
  z-index: 2;
  padding: 1.25rem 1.2rem 1.35rem;
}

.energy-tile-body h3 {
  margin: 0 0 0.4rem;
  font-size: 1.15rem;
}

.energy-tile-body p {
  margin: 0;
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.86);
  max-width: 28ch;
}

.highlight {
  margin-top: 1.75rem;
  padding: 1.1rem 1.2rem;
  border-left: 3px solid var(--green);
  background: linear-gradient(90deg, rgba(120, 184, 42, 0.1), transparent);
  color: var(--navy);
  font-weight: 650;
}

.service-grid,
.sector-grid,
.value-grid,
.method-grid {
  display: grid;
  gap: 1.25rem;
  margin-top: 2.5rem;
}

.service-grid {
  grid-template-columns: repeat(4, 1fr);
}

.sector-grid,
.method-grid {
  grid-template-columns: repeat(4, 1fr);
}

.value-grid {
  grid-template-columns: repeat(5, 1fr);
}

.feature {
  padding: 1.35rem 1.2rem 1.45rem;
  border-top: 2px solid transparent;
  background: transparent;
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.feature:hover {
  border-top-color: var(--green);
  transform: translateY(-3px);
}

.feature-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 1rem;
  color: var(--green);
}

.feature h3 {
  margin: 0 0 0.55rem;
  color: var(--navy);
  font-size: 1.05rem;
}

.feature p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.band {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(6, 31, 61, 0.94), rgba(9, 89, 173, 0.88)),
    url("../assets/gas-natural.jpg") center / cover no-repeat;
  color: var(--white);
}

.band .section-title,
.band .section-lead {
  color: var(--white);
}

.band .section-lead {
  opacity: 0.86;
}

.band .section-kicker {
  color: #c7ea8f;
}

.band .section-kicker::before {
  background: var(--green);
}

.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2.4rem;
}

.pillar {
  padding: 1.4rem 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.22);
}

.pillar strong {
  display: block;
  margin-bottom: 0.45rem;
  font-size: 1.05rem;
}

.pillar span {
  opacity: 0.82;
  font-size: 0.95rem;
}

.step {
  counter-increment: step;
  position: relative;
  padding-top: 0.4rem;
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  background: var(--green-soft);
  color: var(--green-deep);
  font-weight: 800;
  font-size: 0.85rem;
  margin-bottom: 0.9rem;
}

.process-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 2.2rem;
}

.process-item {
  text-align: center;
  padding: 1.2rem 0.8rem;
}

.process-item strong {
  display: block;
  margin-top: 0.75rem;
  color: var(--navy);
}

/* Reportes CTA */
.reportes-cta {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
  align-items: center;
  padding: 2.2rem;
  border-radius: 28px;
  background:
    linear-gradient(135deg, rgba(10, 47, 92, 0.04), rgba(120, 184, 42, 0.08)),
    var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.reportes-cta h2 {
  margin: 0 0 0.7rem;
  color: var(--navy);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
}

.reportes-cta p {
  margin: 0 0 1.3rem;
  color: var(--muted);
}

.reportes-panel {
  padding: 1.5rem;
  border-radius: 20px;
  background: linear-gradient(160deg, var(--navy-deep), var(--blue));
  color: var(--white);
}

.reportes-panel h3 {
  margin: 0 0 0.5rem;
  font-size: 1.15rem;
}

.reportes-panel p {
  margin: 0 0 1.1rem;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.95rem;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  margin-top: 2.2rem;
}

.contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.contact-list a,
.contact-list span {
  display: flex;
  gap: 0.9rem;
  align-items: flex-start;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
  color: var(--navy);
  font-weight: 650;
}

.contact-list small {
  display: block;
  font-weight: 500;
  color: var(--muted);
  margin-top: 0.15rem;
}

.contact-visual {
  min-height: 280px;
  border-radius: 28px;
  background:
    linear-gradient(145deg, rgba(6, 31, 61, 0.55), rgba(9, 89, 173, 0.25)),
    url("../assets/equipo-campo.jpg") 50% center / cover no-repeat;
  position: relative;
  overflow: hidden;
}

.contact-visual--gnl {
  background:
    linear-gradient(145deg, rgba(6, 31, 61, 0.55), rgba(9, 89, 173, 0.22)),
    url("../assets/gnl.jpg") center / cover no-repeat;
}

/* Footer */
.site-footer {
  background:
    radial-gradient(700px 240px at 80% 0%, rgba(120, 184, 42, 0.16), transparent 60%),
    linear-gradient(180deg, var(--navy) 0%, var(--navy-deep) 100%);
  color: rgba(255, 255, 255, 0.86);
  padding: 3rem 0 2rem;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  align-items: flex-start;
}

.site-footer .brand-text strong {
  color: var(--white);
}

.site-footer .brand-text small {
  color: rgba(255, 255, 255, 0.65);
  border-top-color: rgba(255, 255, 255, 0.2);
}

.footer-meta {
  margin-top: 1.8rem;
  padding-top: 1.2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.88rem;
}

.footer-links {
  display: flex;
  gap: 1.1rem;
  flex-wrap: wrap;
}

.footer-links a:hover {
  color: var(--green);
}

/* Reportes page */
.page-hero {
  padding: 5rem 0 3.5rem;
  background:
    linear-gradient(120deg, rgba(6, 31, 61, 0.94), rgba(9, 89, 173, 0.78)),
    url("../assets/gnc.jpg") center / cover no-repeat;
  color: var(--white);
}

.page-hero h1 {
  margin: 0 0 0.8rem;
  font-size: clamp(2rem, 4vw, 3rem);
}

.page-hero p {
  margin: 0;
  max-width: 48ch;
  color: rgba(255, 255, 255, 0.86);
}

.login-panel {
  margin: -2.5rem auto 4rem;
  width: min(560px, calc(100% - 2.5rem));
  padding: 2rem;
  border-radius: 24px;
  background: var(--white);
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
}

.login-panel h2 {
  margin: 0 0 0.6rem;
  color: var(--navy);
}

.login-panel p {
  margin: 0 0 1.4rem;
  color: var(--muted);
}

.login-panel .btn {
  width: 100%;
}

.note {
  margin-top: 1rem;
  font-size: 0.88rem;
  color: var(--muted);
}

.note a {
  color: var(--blue);
  font-weight: 650;
}

.report-product {
  padding-top: 1.5rem;
}

.kind-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.4rem;
  margin-top: 2.4rem;
}

.kind-card {
  padding: 1.6rem 1.5rem 1.7rem;
  border-radius: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.kind-card--green {
  background: linear-gradient(180deg, rgba(120, 184, 42, 0.08), var(--white) 38%);
}

.kind-badge {
  display: inline-flex;
  margin-bottom: 0.85rem;
  padding: 0.28rem 0.7rem;
  border-radius: 999px;
  background: var(--green-soft);
  color: var(--green-deep);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.kind-card h3 {
  margin: 0 0 0.5rem;
  color: var(--navy);
  font-size: 1.35rem;
}

.kind-card > p {
  margin: 0 0 1.1rem;
  color: var(--muted);
}

.kind-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.7rem;
}

.kind-list li {
  padding: 0.65rem 0 0;
  border-top: 1px solid var(--line);
  color: var(--ink);
  font-size: 0.94rem;
}

.kind-list strong {
  color: var(--navy);
}

.how-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin-top: 2.5rem;
}

/* Motion helpers */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@keyframes riseIn {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes heroZoom {
  from { transform: scale(1.08); }
  to { transform: scale(1); }
}

/* Responsive */
@media (max-width: 980px) {
  .split,
  .service-grid,
  .sector-grid,
  .method-grid,
  .value-grid,
  .pillars,
  .process-row,
  .reportes-cta,
  .contact-grid,
  .energy-mosaic,
  .kind-grid,
  .how-grid {
    grid-template-columns: 1fr 1fr;
  }

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

@media (max-width: 780px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav-links {
    position: absolute;
    top: calc(100% + 0.4rem);
    right: 1.25rem;
    left: 1.25rem;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0.35rem;
    padding: 0.9rem;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 16px;
    box-shadow: var(--shadow);
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links .btn {
    width: 100%;
  }

  .hero {
    min-height: 78vh;
  }

  .hero-content {
    margin-bottom: 3.5rem;
  }

  .split,
  .service-grid,
  .sector-grid,
  .method-grid,
  .value-grid,
  .pillars,
  .process-row,
  .reportes-cta,
  .contact-grid,
  .energy-mosaic,
  .kind-grid,
  .how-grid {
    grid-template-columns: 1fr;
  }

  .split-media {
    min-height: 280px;
  }

  section {
    padding: 4rem 0;
  }
}