:root {
  --color-primary: #082542;
  --color-primary-light: #0d5fb5;
  --color-primary-bright: #0876d6;
  --color-primary-dark: #03192c;
  --color-navy: #061f36;
  --color-white: #ffffff;
  --color-background: #f5f7f9;
  --color-surface: #ffffff;
  --color-metal: #9aa6b1;
  --color-text: #13283b;
  --color-text-muted: #5a6977;
  --color-border: #dce3e9;
  --color-success: #1d6f42;
  --color-error: #b42318;
  --max-width: 1210px;
  --header-height: 82px;
  --radius: 8px;
  --radius-lg: 16px;
  --shadow-sm: 0 8px 26px rgba(3, 25, 44, 0.08);
  --shadow: 0 18px 48px rgba(3, 25, 44, 0.13);
  --transition: 180ms ease;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  background: var(--color-white);
  color: var(--color-text);
  font-family: Inter, Montserrat, "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  overflow-x: hidden;
}
body.no-scroll { overflow: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: var(--color-primary-light); font-weight: 650; text-underline-offset: 3px; }
a:hover { color: var(--color-primary); }
button, input, select, textarea { font: inherit; }
:focus-visible { outline: 3px solid #f0a52b; outline-offset: 3px; }
h1, h2, h3, h4 { margin: 0 0 0.65em; color: var(--color-primary-dark); line-height: 1.13; }
h1 { font-size: clamp(2.5rem, 6vw, 4.75rem); letter-spacing: -0.045em; }
h2 { font-size: clamp(2rem, 4vw, 3.15rem); letter-spacing: -0.032em; }
h3 { font-size: 1.22rem; }
p { margin: 0 0 1rem; }

.container { width: min(calc(100% - 2rem), var(--max-width)); margin-inline: auto; }
.narrow { max-width: 840px; }
.section { padding: clamp(4.5rem, 8vw, 7.5rem) 0; }
.section-muted { background: var(--color-background); }
.lead { max-width: 68ch; color: var(--color-text-muted); font-size: clamp(1.08rem, 2vw, 1.28rem); }
.eyebrow {
  margin-bottom: 0.8rem;
  color: var(--color-primary-light);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.eyebrow-light { color: #fff; }
.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; }
.skip-link { position: fixed; z-index: 999; top: 8px; left: 8px; transform: translateY(-160%); background: #fff; padding: 0.7rem 1rem; border-radius: 4px; }
.skip-link:focus { transform: none; }

/* Header */
.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  height: var(--header-height);
  background: rgba(3, 25, 44, 0.985);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: box-shadow var(--transition), background var(--transition);
}
.site-header.scrolled { box-shadow: 0 8px 28px rgba(0,0,0,0.22); background: rgba(3,25,44,0.99); }
.nav-wrap { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }
.brand { display: inline-flex; align-items: center; flex: 0 0 auto; text-decoration: none; }
.brand img { width: 205px; max-height: 62px; object-fit: contain; object-position: left center; }
.site-header .brand img, .footer-logo img { filter: brightness(0) invert(1); }
.menu-toggle { display: grid; place-content: center; gap: 5px; width: 48px; height: 48px; padding: 0; border: 0; background: transparent; cursor: pointer; }
.menu-toggle span:not(.sr-only) { display: block; width: 27px; height: 2px; background: #fff; transition: transform var(--transition), opacity var(--transition); }
.main-nav {
  display: none;
  position: absolute;
  inset: var(--header-height) 0 auto;
  padding: 1rem;
  background: var(--color-primary-dark);
  box-shadow: var(--shadow);
}
.main-nav.open { display: grid; gap: 0.25rem; }
.main-nav .nav-link { position: relative; padding: 0.75rem; color: #fff; text-decoration: none; font-size: 0.94rem; font-weight: 600; }
.main-nav .nav-link::after { content: ""; position: absolute; right: 0.75rem; bottom: 0.48rem; left: 0.75rem; height: 2px; background: #fff; transform: scaleX(0); transform-origin: left; transition: transform var(--transition); }
.main-nav .nav-link:hover::after, .main-nav .nav-link[aria-current="page"]::after { transform: scaleX(1); }
.nav-cta { margin-top: 0.4rem; }

/* Buttons */
.actions, .card-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 48px;
  padding: 0.72rem 1.25rem;
  border: 1px solid var(--color-primary-light);
  border-radius: 5px;
  background: var(--color-primary-light);
  color: #fff;
  text-decoration: none;
  font-weight: 760;
  cursor: pointer;
  transition: transform var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.button:hover { transform: translateY(-2px); border-color: var(--color-primary-bright); background: var(--color-primary-bright); color: #fff; box-shadow: 0 10px 28px rgba(8,118,214,0.24); }
.button-outline { border-color: #b9c6d1; background: transparent; color: var(--color-primary); }
.button-outline:hover { border-color: var(--color-primary); background: var(--color-primary); color: #fff; }
.button-ghost { border-color: rgba(255,255,255,0.65); background: transparent; color: #fff; }
.button-ghost:hover { border-color: #fff; background: rgba(255,255,255,0.09); }
.button-light { border-color: #fff; background: #fff; color: var(--color-primary); }
.button-small { min-height: 42px; padding: 0.52rem 0.9rem; font-size: 0.88rem; }
.button-block { width: 100%; }
.text-link { display: inline-flex; align-items: center; gap: 0.55rem; text-decoration: none; }
.text-link:hover { gap: 0.8rem; }

/* Home hero */
.hero-home {
  position: relative;
  min-height: 620px;
  overflow: hidden;
  background: var(--color-primary-dark);
  color: #fff;
}
.hero-home-media { position: absolute; inset: 0 0 0 42%; }
.hero-home-media::before { content: ""; position: absolute; z-index: 1; inset: 0; background: linear-gradient(90deg, var(--color-primary-dark) 0%, rgba(3,25,44,0.78) 16%, rgba(3,25,44,0.08) 58%); }
.hero-home-media::after { content: ""; position: absolute; z-index: 2; right: -10%; bottom: -45%; width: 38%; height: 118%; transform: rotate(34deg); background: linear-gradient(180deg, rgba(8,82,146,0.85), rgba(4,35,61,0.98)); }
.hero-home-media img { width: 100%; height: 100%; object-fit: cover; object-position: center 48%; }
.hero-home-overlay { position: absolute; z-index: 1; inset: 0; background: linear-gradient(90deg, rgba(3,25,44,1) 0%, rgba(3,25,44,0.98) 38%, rgba(3,25,44,0.2) 73%, rgba(3,25,44,0.05) 100%); }
.hero-home-inner { position: relative; z-index: 3; display: flex; align-items: center; min-height: 620px; }
.hero-copy { width: min(670px, 57%); padding: 4.5rem 0 3rem; }
.hero-copy h1 { max-width: 650px; color: #fff; font-size: clamp(2.65rem, 5vw, 4.55rem); }
.hero-highlight { color: #1685e8; }
.hero-description { max-width: 590px; margin-bottom: 1.75rem; color: #dce6ee; font-size: 1.08rem; }
.hero-actions { margin-bottom: 2.2rem; }
.trust-strip { display: flex; flex-wrap: wrap; gap: 0.9rem 1.45rem; padding-top: 1.2rem; border-top: 1px solid rgba(255,255,255,0.18); }
.trust-item { display: inline-flex; align-items: center; gap: 0.45rem; color: #fff; font-size: 0.8rem; font-weight: 650; }
.trust-item .icon { width: 28px; height: 28px; padding: 5px; border: 1px solid rgba(255,255,255,0.45); border-radius: 50%; stroke: #fff; }

/* Home about */
.home-about-grid { display: grid; gap: 3rem; align-items: center; }
.home-about-copy { max-width: 680px; }
.home-about-copy h2 { max-width: 600px; }
.about-extra { color: var(--color-text-muted); }
.about-highlight { display: flex; align-items: center; gap: 0.85rem; margin-top: 2.1rem; color: var(--color-primary); font-size: 1.05rem; font-weight: 750; }
.about-highlight-icon { display: grid; place-items: center; flex: 0 0 42px; height: 42px; border: 2px solid var(--color-primary-light); border-radius: 50%; color: var(--color-primary-light); }
.home-about-media { position: relative; padding: 0 0 2rem 2rem; }
.home-about-media::after { content: ""; position: absolute; z-index: -1; right: -1.5rem; bottom: 0; width: 68%; height: 45%; background: repeating-linear-gradient(135deg, transparent 0 8px, rgba(8,37,66,0.09) 8px 10px); }
.home-about-media img { width: 100%; aspect-ratio: 1.32; object-fit: cover; box-shadow: var(--shadow-sm); }

/* Home services */
.section-head { display: flex; flex-direction: column; align-items: flex-start; gap: 1.2rem; margin-bottom: 2.4rem; }
.section-head > div { max-width: 760px; }
.section-head h2 { margin-bottom: 0.35rem; }
.section-head p:last-child { margin-bottom: 0; color: var(--color-text-muted); }
.service-mini-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 1rem; }
.service-mini-card { min-height: 150px; border: 1px solid var(--color-border); border-radius: 8px; background: #fff; transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition); }
.service-mini-card:hover { transform: translateY(-5px); border-color: #b5c9da; box-shadow: var(--shadow-sm); }
.service-mini-card a { display: flex; height: 100%; flex-direction: column; align-items: center; justify-content: center; gap: 1rem; padding: 1.35rem 0.8rem; color: var(--color-text); text-align: center; text-decoration: none; }
.service-mini-card h3 { margin: 0; font-size: 0.98rem; }
.service-mini-icon { display: grid; place-items: center; width: 66px; height: 66px; border-radius: 50%; background: #f3f8fc; }
.service-mini-card .icon { width: 43px; height: 43px; stroke: var(--color-primary-light); }

/* Cards and projects */
.card-grid, .project-showcase-grid, .value-grid { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
.card, .value-card, .info-panel, .quick-quote-card { border: 1px solid var(--color-border); border-radius: var(--radius); background: #fff; }
.card { overflow: hidden; transition: transform var(--transition), box-shadow var(--transition); }
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.card > img { width: 100%; aspect-ratio: 1.52; object-fit: cover; }
.card-body { padding: 1.35rem; }
.card-body h3 a { color: var(--color-primary-dark); text-decoration: none; }
.card-body p { color: var(--color-text-muted); }
.card-body .eyebrow { margin-bottom: 0.55rem; font-size: 0.68rem; }
.project-card .card-body > a:last-child { display: inline-flex; align-items: center; gap: 0.55rem; text-decoration: none; }
.demo-card { position: relative; }
.demo-card::after { content: "Vista de demostración"; position: absolute; top: 0.8rem; right: 0.8rem; padding: 0.25rem 0.55rem; border-radius: 3px; background: rgba(3,25,44,0.86); color: #fff; font-size: 0.66rem; font-weight: 700; text-transform: uppercase; }

/* CTA */
.cta, .cta-home { background: var(--color-primary); color: #fff; }
.cta { padding: 4.5rem 0; }
.cta h2, .cta-home h2 { color: #fff; }
.cta p, .cta-home p { max-width: 68ch; color: #d8e6f1; }
.cta-home { overflow: hidden; background: var(--color-primary-dark); }
.cta-home-grid { display: grid; min-height: 310px; }
.cta-home-copy { display: flex; flex-direction: column; align-items: flex-start; justify-content: center; padding: 3.5rem 0; }
.cta-home-media { min-height: 260px; margin-inline: calc((100vw - 100%)/-2); }
.cta-home-media img { width: 100%; height: 100%; min-height: 260px; object-fit: cover; }

/* Contact and quick form */
.home-contact-grid { display: grid; gap: 2.5rem; align-items: start; }
.contact-summary > p { color: var(--color-text-muted); }
.contact-list { display: grid; gap: 1.1rem; margin: 2rem 0; }
.contact-row { display: flex; gap: 1rem; align-items: flex-start; }
.contact-icon { display: grid; place-items: center; flex: 0 0 36px; height: 36px; border: 1px solid #c9d7e3; border-radius: 50%; color: var(--color-primary-light); font-weight: 800; }
.contact-row div { display: grid; }
.contact-row strong { color: var(--color-primary-dark); }
.contact-row a, .contact-row span { color: var(--color-text-muted); font-size: 0.94rem; }
.quick-quote-card { padding: clamp(1.4rem, 4vw, 2rem); box-shadow: var(--shadow-sm); }
.quick-quote-card h2 { font-size: clamp(1.55rem, 3vw, 2.1rem); }
.quick-quote-card > p { color: var(--color-text-muted); }
.quick-quote-form { display: grid; gap: 1rem; }
.quick-form-row { display: grid; gap: 1rem; }
.consent-field { display: flex; gap: 0.7rem; align-items: flex-start; font-size: 0.88rem; }
.consent-field input { margin-top: 0.35rem; }

/* Interior pages */
.page-hero { padding: clamp(4rem, 8vw, 7rem) 0; background: linear-gradient(135deg, #edf3f7 0%, #fff 70%); }
.page-hero h1 { max-width: 900px; }
.split, .two-cols, .contact-grid, .form-layout { display: grid; gap: 2.5rem; align-items: center; }
.split > img { width: 100%; border-radius: var(--radius); box-shadow: var(--shadow-sm); aspect-ratio: 4/3; object-fit: cover; }
.breadcrumbs { padding-top: 1rem; background: #fff; }
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: 0.45rem; margin: 0; padding: 0; list-style: none; font-size: 0.86rem; }
.breadcrumbs li + li::before { content: "/"; margin-right: 0.45rem; color: var(--color-metal); }
.value-card { padding: 1.5rem; border-top: 4px solid var(--color-primary-light); }
.value-card .icon { width: 46px; height: 46px; margin-bottom: 1rem; stroke: var(--color-primary-light); }
.steps { display: grid; gap: 1rem; margin: 2rem 0 0; padding: 0; list-style: none; }
.steps li { display: flex; gap: 1rem; padding: 1.25rem; border: 1px solid var(--color-border); border-radius: var(--radius); background: #fff; }
.steps li > span { display: grid; place-items: center; flex: 0 0 42px; height: 42px; border-radius: 50%; background: var(--color-primary); color: #fff; font-weight: 800; }
blockquote { margin: 2rem 0; padding: 1.4rem 1.6rem; border-left: 5px solid var(--color-primary-light); background: #f3f7fa; color: var(--color-primary); font-size: 1.2rem; font-weight: 650; }
.feature-list { display: grid; gap: 1rem; padding-left: 1.2rem; }
.prose { max-width: 850px; }
.prose p { color: var(--color-text-muted); }

/* Forms */
.quote-form { display: grid; gap: 1.1rem; }
.field { display: grid; gap: 0.35rem; }
.field label { color: var(--color-primary-dark); font-size: 0.9rem; font-weight: 730; }
.field input, .field select, .field textarea {
  width: 100%;
  min-height: 46px;
  border: 1px solid #b6c1cb;
  border-radius: 4px;
  padding: 0.7rem 0.8rem;
  background: #fff;
  color: var(--color-text);
}
.field textarea { min-height: 118px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--color-primary-light); outline: 0; box-shadow: 0 0 0 3px rgba(8,95,181,0.13); }
.field-errors, .form-errors { color: var(--color-error); font-weight: 650; }
.errorlist { margin: 0.25rem 0; padding-left: 1.2rem; }
.help { margin: 0; color: var(--color-text-muted); font-size: 0.86rem; }
.honeypot { position: absolute !important; left: -9999px !important; }
.info-panel { padding: 1.7rem; }
.summary { display: grid; gap: 0.5rem; margin: 2rem 0; text-align: left; }
.summary div { display: grid; grid-template-columns: 130px 1fr; gap: 1rem; padding: 0.6rem 0; border-bottom: 1px solid var(--color-border); }
.summary dt { font-weight: 800; }
.success-panel { text-align: center; }
.success-icon { color: var(--color-success); font-size: 3.5rem; }

/* Galleries and navigation */
.gallery { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 0.8rem; margin-top: 2rem; }
.gallery-thumb { padding: 0; border: 0; background: none; cursor: zoom-in; }
.gallery-thumb img { width: 100%; aspect-ratio: 3/2; border-radius: 6px; object-fit: cover; }
.image-modal { display: none; position: fixed; z-index: 200; inset: 0; place-items: center; padding: 1rem; background: rgba(0,0,0,0.88); }
.image-modal.open { display: grid; }
.modal-panel { position: relative; max-width: 1000px; color: #fff; }
.modal-panel img { max-height: 78vh; object-fit: contain; }
.modal-close { position: absolute; top: -50px; right: 0; width: 44px; height: 44px; border: 0; border-radius: 50%; background: #fff; font-size: 2rem; cursor: pointer; }
.project-nav, .pagination { display: flex; justify-content: space-between; gap: 1rem; margin-top: 3rem; }
.empty-state, .empty-note { grid-column: 1/-1; padding: 2.5rem; background: var(--color-background); text-align: center; }
.map { width: 100%; min-height: 430px; border: 0; }

/* Messages and floating controls */
.messages { padding-top: 1rem; }
.message { padding: 1rem; border-radius: 6px; background: #e4f3ea; color: var(--color-success); }
.back-top, .whatsapp-float { position: fixed; z-index: 70; right: 1rem; border-radius: 999px; box-shadow: var(--shadow-sm); }
.back-top { bottom: 1rem; width: 48px; height: 48px; border: 1px solid var(--color-border); background: #fff; color: var(--color-primary); cursor: pointer; }
.whatsapp-float { bottom: 4.8rem; padding: 0.7rem 1rem; background: #168448; color: #fff; text-decoration: none; }

/* Footer */
.site-footer { padding: 4rem 0 1rem; background: var(--color-primary-dark); color: #b9c9d6; }
.footer-grid { display: grid; gap: 2.3rem; }
.footer-logo { display: inline-block; }
.footer-logo img { width: 180px; max-height: 60px; object-fit: contain; object-position: left; }
.footer-slogan { color: #fff; font-weight: 650; }
.footer-column { display: flex; flex-direction: column; align-items: flex-start; }
.footer-column h2 { margin-bottom: 0.8rem; color: #fff; font-size: 0.95rem; }
.site-footer a { margin: 0.25rem 0; color: #dce7ef; text-decoration: none; font-size: 0.9rem; }
.site-footer a:hover { color: #fff; }
.site-footer p { font-size: 0.9rem; }
.social-links { display: flex; gap: 0.55rem; margin-top: 1.2rem; }
.social-links a { display: grid; place-items: center; width: 34px; height: 34px; border: 1px solid #60768a; border-radius: 50%; }
.copyright { margin-top: 2.5rem; padding-top: 1.1rem; border-top: 1px solid #1f3d55; font-size: 0.82rem; text-align: center; }

@media (min-width: 640px) {
  .service-mini-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .quick-form-row { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .card-grid, .project-showcase-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .value-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
}

@media (min-width: 768px) {
  .home-about-grid { grid-template-columns: 1.05fr 0.95fr; gap: 4.5rem; }
  .section-head { flex-direction: row; justify-content: space-between; align-items: flex-end; }
  .cta-home-grid { grid-template-columns: 44% 56%; }
  .cta-home-media { min-height: 310px; margin: 0 calc((100vw - min(100vw - 2rem,var(--max-width)))/-2) 0 0; }
  .home-contact-grid { grid-template-columns: 0.85fr 1.15fr; gap: 4rem; }
  .split, .two-cols, .contact-grid, .form-layout { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .footer-grid { grid-template-columns: 1.6fr 0.8fr 1fr 1fr; }
  .gallery { grid-template-columns: repeat(3, minmax(0,1fr)); }
}

@media (min-width: 1024px) {
  .menu-toggle { display: none; }
  .main-nav { display: flex; position: static; align-items: center; gap: 0.2rem; padding: 0; background: transparent; box-shadow: none; }
  .main-nav .nav-link { padding: 0.75rem 0.7rem; font-size: 0.86rem; }
  .main-nav .nav-link::after { right: 0.7rem; left: 0.7rem; }
  .nav-cta { min-height: 44px; margin: 0 0 0 0.65rem; padding-inline: 1rem; font-size: 0.82rem; }
  .service-mini-grid { grid-template-columns: repeat(6, minmax(0,1fr)); }
  .project-showcase-grid, .card-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .value-grid { grid-template-columns: repeat(4, minmax(0,1fr)); }
}

@media (max-width: 900px) {
  .hero-home, .hero-home-inner { min-height: 680px; }
  .hero-home-media { inset: 0; opacity: 0.42; }
  .hero-home-media::before { background: linear-gradient(90deg, rgba(3,25,44,0.88), rgba(3,25,44,0.45)); }
  .hero-home-media::after { display: none; }
  .hero-home-overlay { background: linear-gradient(90deg, rgba(3,25,44,0.98), rgba(3,25,44,0.66)); }
  .hero-copy { width: min(720px, 100%); }
}

@media (max-width: 639px) {
  :root { --header-height: 72px; }
  .brand img { width: 165px; max-height: 52px; }
  .hero-home, .hero-home-inner { min-height: 650px; }
  .hero-copy { padding-block: 3.5rem; }
  .hero-copy h1 { font-size: clamp(2.45rem, 12vw, 3.65rem); }
  .hero-actions .button { width: 100%; }
  .trust-strip { gap: 0.8rem; }
  .trust-item { width: calc(50% - 0.5rem); }
  .section-head .button { width: 100%; }
  .service-mini-grid { grid-template-columns: 1fr 1fr; }
  .service-mini-card { min-height: 135px; }
  .service-mini-icon { width: 56px; height: 56px; }
  .service-mini-card .icon { width: 36px; height: 36px; }
  .cta-home-media { margin-inline: -1rem; }
  .summary div { grid-template-columns: 1fr; gap: 0.2rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}
.service-card-placeholder {
  display: grid;
  place-items: center;
  width: 100%;
  aspect-ratio: 5/3;
  background: linear-gradient(135deg, #edf4f8, #fff);
}
.service-card-placeholder .icon { width: 78px; height: 78px; stroke: var(--color-primary-light); }
html { max-width: 100%; overflow-x: hidden; }
@media (max-width: 639px) {
  .home-about-media::after { right: 0; }
}