/* ==========================================================================
   Nat4 — One Page (NORAIRTEC 4 S.L.)
   ========================================================================== */

:root {
  --color-bg: #FFFFFF;
  --color-bg-alt: #F8FAFC;
  --color-primary: #0F172A;
  --color-primary-light: #1E3A8A;
  --color-accent: #0EA5E9;
  --color-text: #334155;
  --color-border: #E2E8F0;
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Inter', sans-serif;
  --max-width: 1180px;
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--color-primary);
  line-height: 1.25;
  margin: 0;
}

p {
  margin: 0;
}

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

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-eyebrow {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.section-heading {
  font-size: clamp(1.75rem, 2.5vw, 2.25rem);
  font-weight: 700;
  margin-bottom: 1rem;
}

.section-lead {
  max-width: 640px;
  font-size: 1.05rem;
  color: var(--color-text);
}

/* ==========================================================================
   Botones
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.9rem 2rem;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
}

.btn--primary {
  background-color: var(--color-accent);
  color: #FFFFFF;
}

.btn--primary:hover {
  background-color: #0c8dc4;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(14, 165, 233, 0.3);
}

.btn--block {
  width: 100%;
}

/* ==========================================================================
   Header
   ========================================================================== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background-color: #FFFFFF;
  border-bottom: 1px solid var(--color-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 1.5rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.nav__logo {
  display: inline-flex;
  align-items: center;
}

.nav__logo-img {
  height: 34px;
  width: auto;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 2.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__links a {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--color-primary);
  transition: color 0.15s ease;
}

.nav__links a:hover {
  color: var(--color-accent);
}

.nav__right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav__lang {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
}

.nav__lang a {
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  color: var(--color-primary);
}

.nav__lang a.is-active {
  color: var(--color-accent);
}

.nav__lang a:hover {
  color: var(--color-accent);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.4rem;
}

.nav__toggle span {
  width: 24px;
  height: 2px;
  background-color: var(--color-primary);
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  padding-top: 6rem;
  background-color: var(--color-primary);
  background-image: linear-gradient(120deg, rgba(15, 23, 42, 0.92) 0%, rgba(15, 23, 42, 0.72) 55%, rgba(15, 23, 42, 0.55) 100%), url('images/hero-manometro.jpg');
  background-size: cover;
  background-position: center;
}

.hero__content {
  max-width: 750px;
  padding: 4rem 1.5rem;
  margin: 0 auto;
  width: 100%;
}

.hero__title {
  color: #FFFFFF;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.hero__subtitle {
  color: #E2E8F0;
  font-size: 1.1rem;
  margin-bottom: 2.25rem;
  max-width: 560px;
}

/* ==========================================================================
   Servicios
   ========================================================================== */

.services {
  padding: 6rem 0;
  background-color: var(--color-bg);
}

.services__intro {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3.5rem;
}

.services__intro .section-lead {
  margin: 0 auto;
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}

.service-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  background-color: var(--color-bg);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(15, 23, 42, 0.08);
}

.service-card__image {
  width: 100%;
  height: 190px;
  object-fit: cover;
}

.service-card__body {
  padding: 1.75rem;
}

.service-card__title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.service-card__text {
  font-size: 0.95rem;
}

/* ==========================================================================
   Empresa
   ========================================================================== */

.company {
  padding: 6rem 0;
  background-color: var(--color-bg-alt);
}

.company__grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 3.5rem;
  align-items: start;
}

.company__text {
  font-size: 1.05rem;
  margin-top: 1.5rem;
}

.pillars {
  display: grid;
  gap: 1.75rem;
}

.pillar {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}

.pillar__marker {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: rgba(14, 165, 233, 0.12);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
}

.pillar__title {
  font-size: 1.02rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.pillar__text {
  font-size: 0.95rem;
}

/* ==========================================================================
   Contacto
   ========================================================================== */

.contact {
  padding: 6rem 0;
  background-color: var(--color-bg);
}

.contact__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3.5rem;
}

.contact-form {
  display: grid;
  gap: 1.25rem;
  margin-top: 2rem;
}

.form-group {
  display: grid;
  gap: 0.5rem;
}

.form-group label {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--color-primary);
}

.form-group input,
.form-group textarea {
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background-color: var(--color-bg-alt);
  color: var(--color-text);
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
  background-color: var(--color-bg);
}

.form-honeypot {
  position: absolute;
  left: -9999px;
  opacity: 0;
  pointer-events: none;
}

.form-feedback {
  font-size: 0.9rem;
  font-weight: 600;
  min-height: 1.2em;
}

.form-feedback[data-state="success"] {
  color: #0F9D58;
}

.form-feedback[data-state="error"] {
  color: #D93025;
}

.contact-info {
  margin-top: 2rem;
  display: grid;
  gap: 1.75rem;
}

.contact-info__item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.contact-info__label {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-accent);
  margin-bottom: 0.25rem;
}

.contact-info__value {
  font-size: 0.98rem;
  color: var(--color-primary);
}

.contact-map {
  display: block;
  margin-top: 2rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  max-width: 100%;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.contact-map:hover {
  box-shadow: 0 12px 24px rgba(15, 23, 42, 0.12);
  transform: translateY(-2px);
}

.contact-map img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  background-color: #000000;
  color: #CBD5E1;
  padding: 2.5rem 0;
}

.footer__grid {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer__logo {
  height: 28px;
  width: auto;
  margin-bottom: 0.6rem;
}

.footer__legal {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer__legal button {
  background: none;
  border: none;
  cursor: pointer;
  color: #CBD5E1;
  font-family: var(--font-body);
  font-size: 0.88rem;
  padding: 0;
}

.footer__legal button:hover {
  color: var(--color-accent);
}

.footer__copy {
  font-size: 0.82rem;
  color: #94A3B8;
}

/* ==========================================================================
   Modales legales (dialog nativo)
   ========================================================================== */

.legal-dialog {
  width: min(720px, 92vw);
  max-height: 82vh;
  padding: 0;
  border: none;
  border-radius: var(--radius);
  box-shadow: 0 20px 60px rgba(15, 23, 42, 0.35);
}

.legal-dialog::backdrop {
  background-color: rgba(15, 23, 42, 0.55);
}

.legal-dialog__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 1.75rem;
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  background-color: var(--color-bg);
}

.legal-dialog__close {
  background: none;
  border: none;
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  color: var(--color-text);
  padding: 0.25rem 0.5rem;
}

.legal-dialog__body {
  padding: 1.75rem;
  overflow-y: auto;
  max-height: calc(82vh - 78px);
  font-size: 0.92rem;
}

.legal-dialog__body h3 {
  font-size: 1rem;
  margin: 1.5rem 0 0.5rem;
}

.legal-dialog__body h3:first-child {
  margin-top: 0;
}

.legal-dialog__body p,
.legal-dialog__body li {
  margin-bottom: 0.85rem;
}

.legal-dialog__body ul {
  padding-left: 1.25rem;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 900px) {
  .services__grid {
    grid-template-columns: 1fr;
  }

  .company__grid,
  .contact__grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

@media (max-width: 768px) {
  .nav__toggle {
    display: flex;
  }

  .nav__links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 0.5rem 1.5rem 1rem;
    display: none;
  }

  .nav__links.is-open {
    display: flex;
  }

  .nav__links li {
    width: 100%;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-border);
  }

  .nav__links li:last-child {
    border-bottom: none;
  }

  .hero {
    min-height: auto;
    padding-bottom: 4rem;
  }

  .services,
  .company,
  .contact {
    padding: 4rem 0;
  }
}

@media (max-width: 480px) {
  .hero__content {
    padding: 3rem 1.25rem;
  }

  .section-heading {
    font-size: 1.6rem;
  }
}