:root {
  --color-primary-blue: #276AB1;
  --color-primary-green: #80BA27;
  --color-blue-dark: #134A78;
  --bg-alt: #EAF2FB;
  --bg-section-alt: #D6E8F7;
  --bg-base: #FFFFFF;
  --bg-soft: #F7F9FC;
  --text: #1A1D29;
  --text-muted: #4B5360;
  --line: #DCE4EE;
  --shadow: 0 18px 44px rgba(19, 74, 120, 0.14);
  --radius: 8px;
  --header-height: 78px;
  --font-display: 'Sora', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
}

/* ---------- RESET ---------- */
* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

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

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }

/* ---------- LANGUAGE TOGGLE VISIBILITY ---------- */
html[lang="es"] .lang-en { display: none; }
html[lang="en"] .lang-es { display: none; }

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  transform: translateY(-150%);
  padding: 10px 14px;
  color: var(--bg-base);
  background: var(--color-blue-dark);
  border-radius: var(--radius);
}

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

/* ---------- HEADER ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid rgba(220, 228, 238, 0.8);
  backdrop-filter: blur(14px);
}

.nav {
  width: min(1200px, calc(100% - 40px));
  min-height: var(--header-height);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand img { width: 220px; height: auto; }

.nav-menu {
  display: flex;
  align-items: center;
  gap: 20px;
  color: #323844;
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 700;
}

.nav-menu > a {
  position: relative;
  padding: 8px 0;
  white-space: nowrap;
}

.nav-menu > a::after {
  position: absolute;
  right: 0; bottom: 0; left: 0;
  height: 2px;
  content: "";
  background: var(--color-primary-blue);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 180ms ease;
}

.nav-menu > a:hover::after,
.nav-menu > a:focus-visible::after { transform: scaleX(1); }

.nav-login {
  color: var(--color-blue-dark);
  font-weight: 700;
}

/* ---------- NAV SERVICES DROPDOWN ---------- */
.nav-dropdown { position: relative; }

.nav-dropdown-trigger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 0;
  color: inherit;
  background: none;
  border: none;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.nav-caret {
  font-size: 0.7em;
  transition: transform 180ms ease;
}

.nav-dropdown.is-open .nav-caret { transform: rotate(180deg); }

.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 60;
  min-width: 250px;
  margin-top: 10px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-base);
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 180ms ease, transform 180ms ease, visibility 180ms ease;
}

.nav-dropdown.is-open .nav-dropdown-menu,
.nav-dropdown:hover .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-dropdown-menu a {
  display: block;
  padding: 10px 12px;
  border-radius: 6px;
  color: #323844;
  font-weight: 600;
  white-space: nowrap;
}

.nav-dropdown-menu a:hover,
.nav-dropdown-menu a:focus-visible {
  background: var(--bg-alt);
  color: var(--color-primary-blue);
}

/* ---------- LANGUAGE SWITCHER ---------- */
.lang-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.lang-btn {
  padding: 4px 2px;
  color: #9AA4B2;
  background: none;
  border: none;
  font: inherit;
  font-weight: 700;
  letter-spacing: 0.03em;
  cursor: pointer;
}

.lang-btn.is-active { color: var(--color-blue-dark); }

.lang-sep { color: #C3CCD6; }

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-base);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: var(--text);
}

/* ---------- COMMON ---------- */
.section { padding: 88px 0; }
.section-alt { background: var(--bg-section-alt); }

.section-inner {
  width: min(1200px, calc(100% - 40px));
  margin: 0 auto;
}

.section-heading {
  max-width: 780px;
  margin-bottom: 40px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--color-primary-blue);
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

h1, h2, h3, p { overflow-wrap: break-word; }
h1, h2, h3 { margin: 0; line-height: 1.15; font-family: var(--font-display); color: var(--color-blue-dark); }

h1 {
  max-width: 640px;
  font-size: clamp(2rem, 4vw, 2.9rem);
  font-weight: 700;
}

h2 { font-size: clamp(1.6rem, 2.8vw, 2.15rem); font-weight: 700; }
h3 { font-size: 1.1rem; font-weight: 700; }

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  color: #FFFFFF;
  background: var(--color-primary-green);
  border: 2px solid var(--color-primary-green);
  border-radius: var(--radius);
  box-shadow: 0 10px 26px rgba(128, 186, 39, 0.28);
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  cursor: pointer;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.button:hover,
.button:focus-visible {
  background: #6DA320;
  border-color: #6DA320;
  transform: translateY(-2px);
}

.button-outline {
  color: var(--color-blue-dark);
  background: transparent;
  border-color: var(--color-primary-blue);
  box-shadow: none;
}

.button-outline:hover,
.button-outline:focus-visible {
  color: #FFFFFF;
  background: var(--color-primary-blue);
  border-color: var(--color-primary-blue);
}

.button-small {
  min-height: 42px;
  padding: 10px 18px;
}

/* ---------- HERO ---------- */
.hero {
  position: relative;
  overflow: hidden;
}

.hero-photo {
  position: relative;
  height: 240px;
}

.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center right;
  background-repeat: no-repeat;
  opacity: 0;
  transition: opacity 1400ms ease;
}

.hero-slide.is-active { opacity: 1; }

.hero-overlay { display: none; }

.hero-content {
  position: relative;
  padding: 40px 20px 44px;
}

.hero-content .eyebrow {
  margin-bottom: 20px;
  color: var(--color-primary-blue);
}

.hero-text {
  max-width: 560px;
  margin: 18px 0 0;
  color: var(--text-muted);
  font-size: 1.1rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

/* ---------- PILARES ---------- */
.pilar-number {
  display: inline-flex;
  margin-bottom: 14px;
  color: var(--color-primary-blue);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.pilar-subtitle {
  max-width: 640px;
  margin: 14px 0 30px;
  color: var(--text-muted);
  font-size: 1.08rem;
}

.tile-group-title {
  margin: 0 0 14px;
  color: var(--color-blue-dark);
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
}

.tile-grid + .tile-group-title { margin-top: 30px; }

.tile-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  align-items: stretch;
  gap: 14px;
}

.tile {
  display: flex;
  align-items: flex-start;
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--color-primary-blue);
  border-radius: var(--radius);
  background: var(--bg-alt);
  transition: border-color 200ms ease, box-shadow 200ms ease, transform 200ms ease;
}

.section-alt .tile { background: var(--bg-base); }

.tile:hover {
  border-color: var(--color-primary-blue);
  box-shadow: 0 12px 30px rgba(39, 106, 177, 0.12);
  transform: translateY(-2px);
}

.tile p {
  margin: 0;
  color: var(--text);
  font-size: 0.96rem;
  font-weight: 600;
  line-height: 1.45;
}

.tile.reveal { transition-delay: calc(var(--i, 0) * 90ms); }

.pilar-close {
  max-width: 640px;
  margin: 30px 0 22px;
  color: var(--color-blue-dark);
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 700;
}

.pilar-footer { margin-top: 4px; }

/* ---------- ABOUT ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 64px;
  align-items: start;
}

.about-stat-bar {
  display: block;
  width: 64px;
  height: 4px;
  margin-bottom: 24px;
  background: #1F6FB2;
  border-radius: 2px;
}

.about-stat-label {
  margin: 0 0 10px;
  color: var(--color-primary-blue);
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.about-stat-number {
  margin: 0;
  color: var(--color-blue-dark);
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 4.75rem);
  font-weight: 800;
  line-height: 1;
}

h2.about-title {
  margin: 0 0 26px;
  color: var(--color-blue-dark);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.about-body {
  display: grid;
  gap: 18px;
  max-width: 700px;
}

.about-body p {
  margin: 0;
  color: var(--text-muted);
  font-size: 1.06rem;
  line-height: 1.7;
}

/* ---------- CONTACTO ---------- */
.contact-section {
  color: #FFFFFF;
  background: var(--color-blue-dark);
}

.contact-section .eyebrow { color: #9FCBEE; }
.contact-section h2 { color: #FFFFFF; }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.contact-list { display: grid; gap: 0; }

.contact-list p {
  display: grid;
  gap: 4px;
  padding: 16px 0;
  margin: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  color: #E7ECF0;
}

.contact-list a {
  color: #E7ECF0;
  transition: color 180ms ease;
}

.contact-list a:hover { color: var(--color-primary-green); }

.contact-label {
  color: #9FB1C4;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.contact-map {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  min-height: 280px;
  padding: 40px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
}

.contact-map-icon {
  display: inline-flex;
  width: 52px;
  height: 52px;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-primary-green);
  font-size: 1.4rem;
}

.contact-map-address {
  margin: 0 0 22px;
  color: #FFFFFF;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.4;
}

.contact-map-link {
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.5);
}

.contact-map-link:hover,
.contact-map-link:focus-visible {
  color: var(--color-blue-dark);
  background: #FFFFFF;
  border-color: #FFFFFF;
}

/* ---------- FOOTER ---------- */
.site-footer {
  padding: 36px 0;
  background: var(--bg-base);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(260px, 1.2fr) 0.8fr 1fr;
  gap: 34px;
  align-items: start;
}

.footer-grid p { color: var(--text-muted); }

.footer-logo { width: 200px; height: auto; margin-bottom: 12px; }

.footer-links,
.footer-meta { display: grid; gap: 10px; }

.footer-links a,
.footer-meta span { color: #3D4551; font-weight: 600; }

.footer-meta p { margin: 0; color: #3D4551; }

/* ---------- MODAL ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(19, 74, 120, 0.55);
  backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 250ms ease, visibility 250ms ease;
}

.modal-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

.modal {
  width: 100%;
  max-width: 640px;
  max-height: calc(100vh - 48px);
  overflow-y: auto;
  background: var(--bg-base);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 26px;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  background: var(--bg-base);
  z-index: 1;
}

.modal-header h2 { font-size: 1.3rem; }

.modal-close {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--text);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 180ms ease;
}

.modal-close:hover { background: var(--bg-soft); }

.quote-form { padding: 26px; }

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

label, legend {
  color: #2F3642;
  font-size: 0.92rem;
  font-weight: 800;
}

input, select, textarea {
  width: 100%;
  margin-top: 7px;
  padding: 11px 13px;
  color: var(--text);
  border: 1px solid #BCCAD6;
  border-radius: var(--radius);
  background: var(--bg-base);
}

textarea { resize: vertical; }

input:focus,
select:focus,
textarea:focus,
.nav-toggle:focus-visible,
a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(39, 106, 177, 0.28);
  outline-offset: 2px;
}

.full-width { grid-column: 1 / -1; }

.quote-form .button {
  width: 100%;
  margin-top: 20px;
}

.form-message {
  min-height: 24px;
  margin: 14px 0 0;
  color: var(--color-blue-dark);
  font-weight: 800;
}

.form-message.error { color: #9A321F; }

/* ---------- REVEAL ---------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 600ms ease, transform 600ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- RESPONSIVE ---------- */
@media (min-width: 901px) {
  .hero-photo {
    position: absolute;
    inset: 0;
    height: 100%;
  }

  .hero-slide { background-position: center 38%; }

  .hero-overlay {
    display: block;
    position: absolute;
    inset: 0;
    background: linear-gradient(100deg, rgba(9, 20, 34, 0.86) 0%, rgba(9, 20, 34, 0.68) 32%, rgba(9, 20, 34, 0.32) 52%, rgba(9, 20, 34, 0.08) 68%, rgba(9, 20, 34, 0) 80%);
  }

  .hero-content {
    position: absolute;
    top: 50%;
    left: max(20px, calc((100vw - 1200px) / 2));
    z-index: 2;
    width: 580px;
    max-width: 580px;
    padding: 0;
    transform: translateY(-50%);
  }

  .hero-content .eyebrow { color: #9FCBEE; }
  .hero-content h1 { color: #FFFFFF; font-size: clamp(1.9rem, 2.5vw, 2.4rem); max-width: 560px; }
  .hero-content .hero-text { color: rgba(255, 255, 255, 0.86); }

  .hero-actions .button-outline {
    color: #FFFFFF;
    border-color: rgba(255, 255, 255, 0.65);
  }

  .hero-actions .button-outline:hover,
  .hero-actions .button-outline:focus-visible {
    color: var(--color-blue-dark);
    background: #FFFFFF;
    border-color: #FFFFFF;
  }

  .hero { min-height: 560px; }
}

@media (max-width: 1120px) {
  .nav-menu { gap: 12px; }
}

@media (max-width: 900px) {
  :root { --header-height: 72px; }

  .nav { width: min(100% - 28px, 1180px); }
  .brand img { width: 188px; }

  .nav-toggle { display: block; }

  .nav-menu {
    position: fixed;
    top: var(--header-height);
    right: 14px;
    left: 14px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--bg-base);
    box-shadow: var(--shadow);
  }

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

  .nav-menu .button { width: 100%; }

  .nav-menu { align-items: stretch; }

  .nav-dropdown-trigger {
    width: 100%;
    justify-content: space-between;
    padding: 8px 0;
  }

  .nav-dropdown-menu {
    position: static;
    display: none;
    margin-top: 6px;
    padding: 0 0 0 12px;
    border: none;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .nav-dropdown.is-open .nav-dropdown-menu { display: block; }

  .nav-dropdown-menu a { padding: 10px 0; }

  .nav-login { padding: 8px 0; }

  .lang-toggle { padding: 8px 0; }

  .section { padding: 56px 0; }

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

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

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

@media (max-width: 640px) {
  .section-inner { width: min(100% - 28px, 1180px); }

  h1 { font-size: clamp(1.85rem, 9vw, 2.3rem); }
  h2 { font-size: clamp(1.45rem, 6vw, 1.9rem); }

  .brand img { width: 164px; }
  .hero-actions { display: grid; }
  .button { width: 100%; }
  .footer-grid { gap: 24px; }
  .form-grid { grid-template-columns: 1fr; }
  .quote-form { padding: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    transition-delay: 0s !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .reveal { opacity: 1; transform: none; }
}