:root {
  --ink: #151a1f;
  --muted: #5c6670;
  --line: #dfe4e8;
  --panel: #f5f7f8;
  --panel-strong: #e9eef1;
  --dark: #101417;
  --dark-soft: #1c2328;
  --accent: #39d353;
  --accent-dark: #1f8a35;
  --white: #ffffff;
  --shadow: 0 18px 42px rgba(13, 20, 26, 0.13);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: #f7f9fa !important;
  color: var(--ink) !important;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.65;
}

a {
  color: inherit;
}

.site-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 0.8rem max(1.25rem, calc((100vw - 1120px) / 2));
  background: rgba(16, 20, 23, 0.92);
  color: #fff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(12px);
}

.site-nav a {
  text-decoration: none;
}

.site-nav__brand {
  flex: 0 0 auto;
  font-size: 1rem;
  font-weight: 800;
}

.site-nav__links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.25rem;
  flex-wrap: wrap;
}

.site-nav__links a {
  padding: 0.55rem 0.62rem;
  border-radius: var(--radius);
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.88rem;
  font-weight: 650;
  line-height: 1;
}

.site-nav__links a:hover,
.site-nav__links a[aria-current="page"] {
  color: #fff;
  background: rgba(255, 255, 255, 0.09);
}

.site-nav__links .site-nav__cta {
  margin-left: 0.35rem;
  background: var(--accent);
  color: var(--dark);
}

.site-nav__links .site-nav__cta:hover {
  background: #5bea70;
  color: var(--dark);
}

.content-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.15rem;
  border-radius: var(--radius);
  background: var(--dark);
  color: #fff;
  font-weight: 800;
  text-decoration: none;
}

.content-cta:hover {
  background: #253038;
}

header {
  min-height: 340px;
  display: grid;
  place-items: center;
  padding: 4rem 1.5rem 2.8rem !important;
  border-bottom: 0 !important;
  background:
    linear-gradient(90deg, rgba(5, 9, 12, 0.52), rgba(5, 9, 12, 0.08) 50%, rgba(5, 9, 12, 0.34)),
    url("cabecera-modulacero.png") center bottom / cover no-repeat !important;
  text-align: center !important;
  position: relative;
  overflow: hidden;
}

header::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 6px;
  background: linear-gradient(90deg, var(--accent), transparent 72%);
}

header img {
  width: min(120px, 34vw);
  max-width: none !important;
  margin: 0 0 1.45rem !important;
  filter: drop-shadow(0 8px 24px rgba(0, 0, 0, 0.35));
  position: relative;
  z-index: 1;
}

header h1 {
  max-width: 920px;
  margin: 0 auto 0.7rem !important;
  color: #fff;
  font-size: clamp(2.15rem, 5.2vw, 4.1rem) !important;
  line-height: 1.03;
  font-weight: 750 !important;
  letter-spacing: 0;
  text-transform: none !important;
  position: relative;
  z-index: 1;
  text-shadow:
    0 3px 8px rgba(0, 0, 0, 0.75),
    0 14px 36px rgba(0, 0, 0, 0.65);
}

header p {
  max-width: 720px;
  margin: 0 auto;
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(1rem, 1.7vw, 1.22rem);
  position: relative;
  z-index: 1;
  text-shadow:
    0 2px 6px rgba(0, 0, 0, 0.8),
    0 10px 24px rgba(0, 0, 0, 0.65);
}

main {
  background: linear-gradient(180deg, #fff, #f7f9fa 45%, #fff);
}

section {
  width: min(1120px, calc(100% - 40px));
  max-width: 1120px !important;
  padding: 4.8rem 0 !important;
  margin: 0 auto !important;
  border-bottom: 1px solid var(--line) !important;
}

section:first-child {
  padding-top: 3.8rem !important;
}

h2 {
  max-width: 980px;
  margin: 0 0 1.15rem !important;
  padding-left: 0 !important;
  border-left: 0 !important;
  color: var(--ink);
  font-size: clamp(1.75rem, 2.45vw, 2.45rem) !important;
  line-height: 1.16;
  font-weight: 720 !important;
  letter-spacing: 0;
  text-transform: none !important;
}

h2::before {
  content: "";
  display: block;
  width: 64px;
  height: 4px;
  margin-bottom: 1rem;
  background: var(--accent);
}

h3 {
  color: var(--ink);
  letter-spacing: 0;
}

p {
  color: var(--muted);
  font-size: 1.04rem;
}

strong {
  color: var(--ink);
}

.seo-section {
  display: grid;
  grid-template-columns: minmax(220px, 0.42fr) minmax(0, 1fr);
  gap: 2rem;
  align-items: start;
}

.seo-section h2 {
  font-size: clamp(1.55rem, 2.2vw, 2.1rem) !important;
}

.seo-section p {
  margin: 0;
  padding-top: 0.25rem;
}

.areas-grid,
.efe-container,
.factory-grid,
.stats-container,
.kpi-container {
  display: grid !important;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)) !important;
  gap: 1.1rem !important;
}

.area-box,
.efe-card,
.factory-card,
.highlight-card,
.stat-box,
.kpi-box,
.faq-item,
form {
  border: 1px solid var(--line) !important;
  border-radius: var(--radius) !important;
  background: var(--white) !important;
  box-shadow: var(--shadow) !important;
}

.area-box,
.efe-card,
.factory-card {
  min-height: 210px;
  align-items: flex-start !important;
  padding: 1.65rem !important;
  text-align: left !important;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease !important;
}

.area-box:hover,
.efe-card:hover,
.factory-card:hover {
  transform: translateY(-4px) !important;
  border-color: rgba(57, 211, 83, 0.65) !important;
  box-shadow: 0 24px 50px rgba(13, 20, 26, 0.18) !important;
}

.area-box svg {
  width: 44px;
  height: 44px;
  color: var(--accent-dark) !important;
  margin-bottom: 1.2rem !important;
}

.area-box h3,
.efe-card h3,
.factory-card h3 {
  margin: 0 0 0.7rem !important;
  border-bottom: 0 !important;
  font-size: 1.12rem !important;
  text-transform: none !important;
}

.area-box p,
.efe-card p,
.factory-card p {
  margin: 0 !important;
  color: var(--muted) !important;
  font-size: 0.98rem !important;
}

.highlight-card {
  padding: 2rem !important;
}

.highlight-card h3 {
  border-bottom: 0 !important;
}

.highlight-card li::before {
  content: "";
  width: 7px;
  height: 7px;
  top: 0.78em;
  border-radius: 999px;
  background: var(--accent);
}

.stat-box,
.kpi-box {
  background: var(--dark) !important;
  color: #fff !important;
  border-color: rgba(255, 255, 255, 0.08) !important;
}

.stat-box span,
.kpi-box span,
.eco-stat {
  color: var(--accent) !important;
}

.eco-section,
section[style*="background: #000"] {
  width: 100% !important;
  max-width: none !important;
  background: linear-gradient(135deg, var(--dark), var(--dark-soft)) !important;
  color: #fff !important;
  border-bottom: 0 !important;
}

.eco-section > div,
section[style*="background: #000"] > * {
  max-width: 1120px;
  margin-left: auto !important;
  margin-right: auto !important;
}

.eco-section h2,
section[style*="background: #000"] h2 {
  color: #fff !important;
}

.eco-section p,
section[style*="background: #000"] p,
.stat-box,
.kpi-box {
  color: rgba(255, 255, 255, 0.78) !important;
}

.comparison-table {
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: var(--shadow) !important;
}

.comparison-table th {
  background: var(--dark) !important;
}

.comparison-table th,
.comparison-table td {
  border-color: var(--line) !important;
}

.comparison-table td {
  background: var(--white) !important;
  color: var(--muted);
}

#faq {
  display: grid;
  grid-template-columns: 0.36fr 1fr;
  gap: 1rem 2rem;
}

#faq h2 {
  grid-row: span 5;
}

.faq-item {
  margin: 0 0 1rem !important;
  padding: 1.35rem 1.5rem;
}

.faq-item h3 {
  margin: 0 0 0.45rem !important;
  color: var(--ink);
  font-size: 1.05rem !important;
}

.faq-item p {
  color: var(--muted) !important;
}

form {
  padding: 2rem !important;
}

input,
textarea,
select {
  border: 1px solid var(--line) !important;
  border-radius: var(--radius);
  background: #fbfcfd;
  color: var(--ink);
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--accent-dark) !important;
  outline: 3px solid rgba(57, 211, 83, 0.16);
}

.privacy-check {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 0.7rem;
  align-items: start;
  margin: 0 0 1.25rem;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.45;
}

.privacy-check input {
  width: 18px;
  height: 18px;
  margin: 0.2rem 0 0;
  accent-color: var(--accent-dark);
}

.privacy-check a,
.legal-section a {
  color: var(--accent-dark);
  font-weight: 700;
}

.form__hint {
  min-height: 1.3rem;
  margin: 0.9rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.form__hint.ok {
  color: var(--accent-dark);
  font-weight: 700;
}

.form__hint.error {
  color: #b42318;
  font-weight: 700;
}

.form__backup {
  margin: 0.65rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.form__backup a {
  color: var(--accent-dark);
  font-weight: 700;
}

button,
a[style*="background: #000"] {
  border-radius: var(--radius);
  background: var(--dark) !important;
  color: #fff !important;
  box-shadow: none;
}

button:hover,
a[style*="background: #000"]:hover {
  background: #253038 !important;
}

.btn-floating {
  display: none !important;
  top: 18px !important;
  left: 18px !important;
  border: 1px solid rgba(255, 255, 255, 0.2) !important;
  border-radius: var(--radius) !important;
  background: rgba(16, 20, 23, 0.92) !important;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25) !important;
  backdrop-filter: blur(10px);
}

.btn-floating:hover {
  background: var(--accent) !important;
  color: var(--dark) !important;
}

footer {
  margin-top: 0 !important;
  background: var(--dark) !important;
  color: #fff !important;
  border-top: 6px solid var(--accent);
  padding: 2.4rem 1.25rem !important;
  text-align: center !important;
}

footer img {
  display: block;
  width: min(120px, 42vw);
  max-width: 120px !important;
  height: auto;
  margin: 0 auto 1rem !important;
}

footer p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.92rem;
  text-decoration: none;
}

.footer-links a:hover {
  color: #fff;
  text-decoration: underline;
}

.legal-page {
  background: #fff !important;
}

.legal-main {
  background: #fff;
}

.legal-section {
  max-width: 920px !important;
  padding-top: 4rem !important;
}

.legal-section h1 {
  margin: 0 0 1rem;
  color: var(--ink);
  font-size: clamp(2.25rem, 5vw, 4.1rem);
  line-height: 1;
}

.legal-section h2 {
  margin-top: 2.5rem !important;
  font-size: clamp(1.3rem, 2vw, 1.75rem) !important;
}

.legal-kicker {
  margin: 0 0 0.75rem;
  color: var(--accent-dark);
  font-size: 0.9rem;
  font-weight: 800;
  text-transform: uppercase;
}

.legal-list {
  margin: 1.25rem 0 0;
  padding: 1.25rem 1.4rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.legal-list li {
  margin: 0.35rem 0;
  color: var(--muted);
}

@media (max-width: 760px) {
  .site-nav {
    position: relative;
    display: block;
    padding: 0.85rem 1rem;
  }

  .site-nav__brand {
    display: block;
    margin-bottom: 0.65rem;
  }

  .site-nav__links {
    justify-content: flex-start;
    gap: 0.35rem;
  }

  .site-nav__links a {
    padding: 0.5rem 0.6rem;
    font-size: 0.86rem;
  }

  .site-nav__links .site-nav__cta {
    margin-left: 0;
  }

  header {
    min-height: 300px;
    padding-top: 3.4rem !important;
    padding-bottom: 2.5rem !important;
    text-align: center !important;
  }

  header img {
    width: min(96px, 30vw);
    margin-bottom: 1.1rem !important;
  }

  header h1 {
    font-size: clamp(2rem, 9vw, 3rem) !important;
    line-height: 1.05;
  }

  section,
  .eco-section {
    width: min(100% - 28px, 1120px);
    padding: 3.5rem 0 !important;
  }

  .seo-section,
  #faq {
    display: block;
  }

  #faq h2 {
    margin-bottom: 1.5rem !important;
  }

  .comparison-table,
  .comparison-table tbody,
  .comparison-table tr,
  .comparison-table th,
  .comparison-table td {
    display: block;
    width: 100% !important;
  }

  .comparison-table th {
    padding-bottom: 0.75rem !important;
  }

  .comparison-table td {
    padding-top: 0.75rem !important;
  }

  .btn-floating {
    padding: 10px 14px !important;
    font-size: 0.8rem !important;
  }
}