/* ==========================================================================
   DIMCON S.A.S. - Diseño, Ingeniería, Mantenimiento y Construcción
   Hoja de estilos principal
   ========================================================================== */

/* IBM Plex Sans autoalojada (variable): evita el bloqueo de fonts.googleapis.com */
@font-face {
  font-family: 'IBM Plex Sans'; font-style: normal; font-weight: 100 700; font-display: swap;
  src: url('../fonts/ibm-plex-sans-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'IBM Plex Sans'; font-style: normal; font-weight: 100 700; font-display: swap;
  src: url('../fonts/ibm-plex-sans-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

:root {
  /* Marca (azules del logo) */
  --navy-950: #061527;
  --navy-900: #0a1f38;
  --navy-800: #0f2c4d;
  --navy-700: #1b4370;
  --blue-600: #2d6594;
  --blue-300: #7ab3df;

  /* Acciones (texto blanco >= 4.5:1) */
  --accent: #006ed4;
  --accent-hover: #005bb5;
  --wa: #0d7a43;
  --wa-hover: #0a6537;

  /* Neutros con tinte azul */
  --white: #fff;
  --ink-placeholder: #64748b;
  --scrollbar: #8aa3bd;
  --ink: #1e293b;
  --ink-muted: #59687d;
  --on-dark-muted: #a9b8cc;
  --bg-alt: #f3f6fa;
  --line: #dce3ec;
  --line-dark: rgba(255, 255, 255, 0.14);
  --field-border: #7a8ca3;
  --danger: #b42318;
  --success: #14683a;

  /* Tipografía */
  --font: 'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --fs-sm: 0.9375rem;
  --fs-lg: 1.125rem;
  --fs-h3: 1.25rem;
  --fs-h2: clamp(1.75rem, 1.2rem + 2vw, 2.75rem);
  --fs-h1: clamp(2.25rem, 1.3rem + 3.4vw, 3.75rem);

  --r-sm: 2px;
  --r-md: 2px;
  --r-lg: 4px;
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-drawer: cubic-bezier(0.32, 0.72, 0, 1);
  --gutter: clamp(1.25rem, 4vw, 2rem);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 6rem; /* alto del encabezado fijo; lo usan los anclajes y scrollIntoView */
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
  accent-color: var(--blue-600);
  scrollbar-color: var(--scrollbar) transparent;
}

body {
  font: 400 1rem/1.6 var(--font);
  letter-spacing: 0.01em;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.menu-open { overflow: hidden; }

::selection { background: var(--blue-300); color: var(--navy-900); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
a { color: inherit; text-decoration: none; }
address { font-style: normal; }
h1, h2, h3 { text-wrap: balance; }
p { text-wrap: pretty; }

:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.hero :focus-visible,
.section-dark :focus-visible,
.contact-panel :focus-visible,
.footer :focus-visible { outline-color: var(--blue-300); }

.container { width: 100%; max-width: 1200px; margin-inline: auto; padding-inline: var(--gutter); }

.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.icon {
  width: 1.25rem; height: 1.25rem; flex: none;
  fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
}

.skip-link {
  position: absolute; left: 1rem; top: -4rem; z-index: 200;
  background: var(--white); color: var(--navy-900); font-weight: 600;
  padding: 0.75rem 1rem; border-radius: var(--r-md);
}
.skip-link:focus { top: 1rem; }

/* Textos pequeños con un poco más de aire entre letras */
.service-norm, .contact-label, .contact-note, .top-bar, .hero-proof span, .footer-bottom { letter-spacing: 0.02em; }

/* ================= Barra superior ================= */
.top-bar { background: var(--navy-950); color: var(--on-dark-muted); font-size: 0.8125rem; padding: 0.5rem 0; }
.top-bar-inner { display: flex; flex-wrap: wrap; gap: 0.5rem 1.75rem; }
.top-bar-item { display: inline-flex; align-items: center; gap: 0.45rem; min-height: 1.5rem; }
.top-bar-item .icon { width: 0.95rem; height: 0.95rem; color: var(--blue-300); }

/* ================= Encabezado ================= */
.header {
  position: sticky; top: 0; z-index: 100;
  background: var(--white); border-bottom: 1px solid var(--line);
  transition: box-shadow 0.2s ease;
}
.header.scrolled { box-shadow: 0 4px 16px rgba(10, 31, 56, 0.08); }

.navbar { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; height: 76px; }
.nav-brand { flex: none; display: flex; align-items: center; min-height: 2.75rem; }
.nav-logo { height: 44px; width: auto; max-width: none; }

.nav-menu { display: flex; align-items: center; gap: 1.75rem; }
.nav-menu-header, .nav-mobile-cta { display: none; }

.nav-link, .nav-actions .btn { white-space: nowrap; }
.nav-link {
  position: relative; padding: 0.4rem 0;
  font-weight: 600; font-size: var(--fs-sm); color: var(--navy-900);
  transition: color 0.2s ease;
}
.nav-link::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 2px;
  background: var(--blue-600); transform: scaleX(0); transform-origin: left;
  transition: transform 0.25s var(--ease-out);
}
.nav-link.active { color: var(--blue-600); }
.nav-link.active::after { transform: scaleX(1); }

.nav-backdrop {
  position: fixed; inset: 0; z-index: 98;
  background: rgba(6, 21, 39, 0.55);
  opacity: 0; visibility: hidden;
  transition: opacity 0.2s ease, visibility 0s 0.2s;
}
.nav-backdrop.active { opacity: 1; visibility: visible; transition: opacity 0.3s ease; }

.menu-toggle, .menu-close-btn {
  display: none; place-items: center; width: 2.75rem; height: 2.75rem;
  background: none; border: 0; color: var(--navy-900); cursor: pointer;
  touch-action: manipulation; user-select: none; -webkit-user-select: none;
}
.menu-toggle .icon, .menu-close-btn .icon { width: 1.6rem; height: 1.6rem; }

/* ================= Botones ================= */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.55rem;
  min-height: 2.75rem; padding: 0.7rem 1.35rem;
  font: 600 var(--fs-sm)/1.1 var(--font);
  color: var(--white); border: 1px solid transparent; border-radius: 0; letter-spacing: 0.01em;
  cursor: pointer; touch-action: manipulation; user-select: none; -webkit-user-select: none;
  transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease, transform 160ms var(--ease-out);
}
.btn:active { transform: scale(0.97); }
.btn[disabled] { opacity: 0.65; cursor: progress; }

.btn-primary { background: var(--accent); }
.btn-accent { background: var(--accent); }
.btn-whatsapp { background: var(--wa); }
.btn-outline { border-color: rgba(255, 255, 255, 0.45); }
.btn-outline-dark { color: var(--navy-800); border-color: var(--navy-800); background: transparent; }

@media (hover: hover) and (pointer: fine) {
  .btn-primary:hover { background: var(--accent-hover); }
  .btn-accent:hover { background: var(--accent-hover); }
  .btn-whatsapp:hover { background: var(--wa-hover); }
  .btn-outline:hover { background: var(--white); color: var(--navy-900); border-color: var(--white); }
  .btn-outline-dark:hover { background: var(--navy-800); color: var(--white); }
  .nav-link:not(.active):hover { color: var(--blue-600); }
}

/* ================= Inicio ================= */
.hero {
  position: relative; isolation: isolate; overflow: clip;
  background: var(--navy-900); color: var(--white);
  padding: clamp(3.5rem, 8vw, 6.5rem) 0 clamp(3rem, 7vw, 5.5rem);
}
/* Marca de agua con el símbolo del logo (tres barras), recortado por el borde derecho */
.hero::before {
  content: ''; position: absolute; z-index: -1; opacity: 0.06;
  right: -10%; top: 50%; width: min(62vw, 780px); aspect-ratio: 685 / 595; transform: translateY(-50%);
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='130 175 685 595'%3E%3Cg fill='white'%3E%3Crect x='405' y='181' width='135' height='311'/%3E%3Cpolygon points='405,492 472,607 203,763 136,647'/%3E%3Cpolygon points='540,492 808,647 741,763 472,607'/%3E%3C/g%3E%3C/svg%3E") center / contain no-repeat;
}

.hero-grid {
  display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
  gap: clamp(2.5rem, 6vw, 5rem); align-items: start;
}

.hero-title {
  font-size: var(--fs-h1); font-weight: 300; line-height: 1.1; letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}
.hero-title span { color: var(--blue-300); }

.hero-desc { font-size: var(--fs-lg); line-height: 1.65; color: var(--on-dark-muted); max-width: 58ch; margin-bottom: 2.25rem; }
.hero-buttons { display: flex; flex-wrap: wrap; gap: 0.75rem; }

.hero-proof {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.25rem;
  margin-top: clamp(2.5rem, 5vw, 3.5rem); padding-top: 1.5rem; border-top: 1px solid var(--line-dark);
}
.hero-proof li { display: flex; align-items: flex-start; gap: 0.65rem; }
.hero-proof .icon { color: var(--blue-300); margin-top: 0.15rem; }
.hero-proof strong { display: block; font-size: var(--fs-sm); font-weight: 600; }
.hero-proof span { font-size: 0.8125rem; color: var(--on-dark-muted); }

.capabilities-title { font-size: var(--fs-lg); font-weight: 600; margin-bottom: 1rem; }
.capabilities-list li { padding: 1.1rem 0; border-top: 1px solid var(--line-dark); }
.capabilities-list h3 { font-size: var(--fs-h3); font-weight: 500; letter-spacing: -0.01em; }
.capabilities-list .initial { color: var(--blue-300); }
.capabilities-list p { font-size: var(--fs-sm); color: var(--on-dark-muted); margin-top: 0.25rem; }

.link-arrow { display: inline-flex; align-items: center; gap: 0.5rem; margin-top: 1rem; font-weight: 600; color: var(--blue-300); }
.link-arrow .icon { transition: transform 0.2s var(--ease-out); }
@media (hover: hover) and (pointer: fine) { .link-arrow:hover .icon { transform: translateX(4px); } }

/* Única animación de entrada de la página: el título se ve al instante y el resto entra en cascada corta */
@keyframes rise { from { opacity: 0; transform: translateY(10px); } }
.hero-desc, .hero-buttons, .hero-proof, .hero-capabilities {
  animation: rise 0.5s var(--ease-out) both;
}
.hero-desc { animation-delay: 0.04s; }
.hero-buttons { animation-delay: 0.08s; }
.hero-proof { animation-delay: 0.12s; }
.hero-capabilities { animation-delay: 0.08s; }

/* ================= Secciones ================= */
.section { padding-block: clamp(4rem, 8vw, 6rem); }
.section-alt { background: var(--bg-alt); }
.section-dark { background: var(--navy-900); color: var(--white); }

.section-header {
  display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 1rem clamp(2rem, 6vw, 4.5rem); align-items: end;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}
.section-title { font-size: var(--fs-h2); font-weight: 300; line-height: 1.15; letter-spacing: -0.015em; color: var(--navy-900); }
.section-dark .section-title { color: var(--white); }
.section-subtitle { color: var(--ink-muted); max-width: 52ch; }
.section-dark .section-subtitle { color: var(--on-dark-muted); }

.list-title {
  font-size: var(--fs-lg); font-weight: 600; color: var(--navy-900);
  padding-bottom: 0.9rem; border-bottom: 2px solid var(--navy-900);
}

/* ================= Quiénes somos ================= */
main > section:not([hidden]) { animation: fade 0.25s var(--ease-out); }
main > section [tabindex="-1"]:focus { outline: none; } /* el título recibe el foco al cambiar de vista; no es un control */
/* Cierre de cada vista: todo el bloque lleva a la siguiente */
.view-next {
  display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
  margin-top: clamp(3rem, 6vw, 4.5rem); padding-block: clamp(1.5rem, 3vw, 2rem);
  border-block: 1px solid var(--line); color: var(--navy-900);
}
.view-next-text { display: grid; gap: 0.35rem; min-width: 0; }
.view-next-label { font-size: var(--fs-sm); font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-muted); }
.view-next-title { font-size: clamp(1.5rem, 1.1rem + 1.6vw, 2.25rem); font-weight: 300; line-height: 1.15; letter-spacing: -0.015em; transition: color 0.2s ease; }
.view-next-arrow {
  flex: none; display: grid; place-items: center; width: 3.5rem; height: 3.5rem;
  border: 1px solid currentColor; color: var(--accent);
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.view-next-arrow .icon { width: 1.25rem; height: 1.25rem; transition: transform 0.2s var(--ease-out); }
.section-dark .view-next { border-color: var(--line-dark); color: var(--white); }
.section-dark .view-next-label { color: var(--on-dark-muted); }
.section-dark .view-next-arrow { color: var(--blue-300); }
@media (hover: hover) and (pointer: fine) {
  .view-next:hover .view-next-title { color: var(--accent); }
  .view-next:hover .view-next-arrow { background: var(--accent); border-color: var(--accent); color: var(--white); }
  .view-next:hover .view-next-arrow .icon { transform: translateX(3px); }
  .section-dark .view-next:hover .view-next-title { color: var(--blue-300); }
}
.nav-actions.is-off { visibility: hidden; } /* en Contacto el formulario ya está en pantalla */

.about-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(2.5rem, 6vw, 5rem); align-items: start; }
.about-text .section-title { margin-bottom: 0.5rem; }
.about-text p { color: var(--ink-muted); max-width: 60ch; margin-top: 1.25rem; }
.about-text p strong { color: var(--navy-900); }
.gallery-block { margin-top: clamp(3rem, 6vw, 4.5rem); }
.gallery { list-style: none; padding: 0; margin: 1.25rem 0 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
@media (min-width: 769px) { .gallery { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.gallery figure { margin: 0; }
.gallery img { display: block; width: 100%; height: auto; aspect-ratio: 1; object-fit: cover; border-radius: var(--r-sm); background: var(--line); }
.gallery figcaption { margin-top: 0.5rem; font-size: var(--fs-sm); color: var(--ink-muted); }

.check-list { display: grid; gap: 0.9rem; margin-top: 2rem; }
.check-list li { display: flex; gap: 0.75rem; font-weight: 600; color: var(--navy-900); }
.check-list .icon { color: var(--blue-600); margin-top: 0.2rem; }

.sector, .norm-item { padding: 1.25rem 0; border-bottom: 1px solid var(--line); }
.sector dt { font-size: var(--fs-lg); font-weight: 600; color: var(--navy-900); }
.sector dd { font-size: var(--fs-sm); color: var(--ink-muted); margin-top: 0.25rem; max-width: 52ch; }

/* ================= Servicios ================= */
.tabs {
  display: flex; flex-wrap: wrap; gap: 0 clamp(1.25rem, 3vw, 2.25rem);
  border-bottom: 1px solid var(--line); margin-bottom: 2.5rem;
}

.tab-btn {
  letter-spacing: 0.01em;
  position: relative; flex: none; padding: 0.9rem 0;
  font: 600 1rem/1.2 var(--font); color: var(--ink-muted);
  background: none; border: 0; cursor: pointer; white-space: nowrap;
  touch-action: manipulation; user-select: none; -webkit-user-select: none;
  transition: color 0.2s ease;
}
.tab-btn::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -1px; height: 3px;
  background: var(--navy-800); transform: scaleX(0); transform-origin: left;
  transition: transform 0.25s var(--ease-out);
}
.tab-btn[aria-selected="true"] { color: var(--navy-900); }
.tab-btn[aria-selected="true"]::after { transform: scaleX(1); }
@media (max-width: 600px) {
  .tabs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 0.75rem; }
  .tab-btn { white-space: normal; text-align: left; font-size: var(--fs-sm); }
}
@media (hover: hover) and (pointer: fine) { .tab-btn:hover { color: var(--navy-900); } }

.tab-panel:not([hidden]) .service { animation: rise 0.22s var(--ease-out) both; }
.tab-panel .service:nth-child(2) { animation-delay: 30ms; }
.tab-panel .service:nth-child(3) { animation-delay: 60ms; }
.tab-panel .service:nth-child(4) { animation-delay: 90ms; }
.tab-panel .service:nth-child(5) { animation-delay: 120ms; }
.tab-panel .service:nth-child(6) { animation-delay: 150ms; }
.tab-panel .service:nth-child(7) { animation-delay: 180ms; }
.tab-panel .service:nth-child(8) { animation-delay: 210ms; }

.service-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: clamp(2rem, 5vw, 4.5rem); }
.service { padding: 1.5rem 0 1.75rem; border-top: 1px solid var(--line); }
.service h3 { font-size: var(--fs-h3); font-weight: 500; letter-spacing: -0.01em; color: var(--navy-900); }
.service p { font-size: var(--fs-sm); color: var(--ink-muted); margin-top: 0.4rem; max-width: 56ch; }
.service .service-norm { font-size: 0.8125rem; font-weight: 600; color: var(--blue-600); margin-top: 0.75rem; font-variant-numeric: tabular-nums; }

.service-cta { display: inline-flex; align-items: center; gap: 0.4rem; margin-top: 0.75rem; font-size: var(--fs-sm); font-weight: 600; color: var(--blue-600); }
.service-cta .icon { width: 1rem; height: 1rem; transition: transform 0.2s var(--ease-out); }
@media (hover: hover) and (pointer: fine) { .service-cta:hover { text-decoration: underline; text-underline-offset: 0.2em; } .service-cta:hover .icon { transform: translateX(3px); } }

/* Resalta la tarjeta a la que llega un enlace del pie */
.tab-panel .service.is-highlighted { outline: 2px solid transparent; outline-offset: 0.6rem; border-radius: var(--r-sm); animation: flash 1.8s ease-out; }
@keyframes flash { from { outline-color: var(--blue-600); } }

/* ================= Necesidades ================= */
.needs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: clamp(2rem, 5vw, 4.5rem); }
.need { padding: 1.5rem 0 1.75rem; border-top: 1px solid var(--line); }
.need h3 { font-size: var(--fs-h3); font-weight: 500; letter-spacing: -0.01em; color: var(--navy-900); }
.need p { font-size: var(--fs-sm); color: var(--ink-muted); margin-top: 0.4rem; max-width: 56ch; }
.need-link { display: inline-flex; align-items: center; gap: 0.5rem; margin-top: 0.9rem; font-weight: 600; color: var(--blue-600); }
.need-link .icon { transition: transform 0.2s var(--ease-out); }
@media (hover: hover) and (pointer: fine) { .need-link:hover .icon { transform: translateX(4px); } }

/* ================= Metodología ================= */
.steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 2rem clamp(1.5rem, 3vw, 2.5rem); }
.step { position: relative; padding-top: 1.5rem; border-top: 1px solid var(--line-dark); }
.step::before { content: ''; position: absolute; top: -1px; left: 0; width: 2.5rem; height: 2px; background: var(--blue-300); }
.step-num { display: block; font-size: 1.75rem; font-weight: 300; letter-spacing: -0.02em; color: var(--blue-300); font-variant-numeric: tabular-nums; margin-bottom: 1rem; }
.step h3 { font-size: var(--fs-h3); font-weight: 500; letter-spacing: -0.01em; }
.step p { font-size: var(--fs-sm); color: var(--on-dark-muted); margin-top: 0.5rem; }
.step .step-out { margin-top: 0.9rem; padding-top: 0.75rem; border-top: 1px solid var(--line-dark); }
.step-out strong { color: var(--white); }

.notice {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.25rem 2rem;
  margin-top: clamp(2.5rem, 5vw, 4rem); padding-top: 2rem; border-top: 1px solid var(--line-dark);
}
.notice p { max-width: 62ch; color: var(--on-dark-muted); }
.notice strong { color: var(--white); }

/* ================= Normativa ================= */
.norm-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(2.5rem, 6vw, 5rem); }
.norm-item { display: grid; grid-template-columns: 9.5rem minmax(0, 1fr); gap: 1rem; padding: 0.95rem 0; }
.norm-item dt { font-weight: 600; color: var(--navy-800); font-variant-numeric: tabular-nums; }
.norm-item dd { font-size: var(--fs-sm); color: var(--ink-muted); }

/* ================= Contacto ================= */
.contact-grid { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: clamp(2.5rem, 6vw, 5rem); align-items: start; }

.contact-panel { background: var(--navy-900); color: var(--white); border-radius: var(--r-lg); padding: clamp(1.75rem, 4vw, 2.75rem); }
.contact-panel h2 { font-size: clamp(1.6rem, 1.2rem + 1.4vw, 2.1rem); font-weight: 300; letter-spacing: -0.015em; line-height: 1.15; }
.contact-panel > p:not(.contact-legal) { color: var(--on-dark-muted); margin-top: 1rem; }

.contact-list { display: grid; gap: 1.5rem; margin: 2rem 0; }
.contact-row { display: flex; gap: 1rem; }
.contact-row .icon { color: var(--blue-300); margin-top: 0.25rem; }
.contact-label { display: block; font-size: 0.8125rem; font-weight: 600; color: var(--on-dark-muted); }
.contact-value { display: block; font-size: 1.0625rem; font-weight: 600; color: var(--white); }
.contact-note { display: block; font-size: 0.8125rem; color: var(--on-dark-muted); margin-top: 0.15rem; }
@media (hover: hover) and (pointer: fine) { a.contact-value:hover { color: var(--blue-300); } }

.contact-legal { padding-top: 1.25rem; border-top: 1px solid var(--line-dark); font-size: 0.875rem; color: var(--on-dark-muted); }
.contact-legal strong { color: var(--white); }

.contact-form h3 { font-size: 1.5rem; font-weight: 400; letter-spacing: -0.01em; color: var(--navy-900); }
.contact-form > p { color: var(--ink-muted); margin: 0.5rem 0 1.75rem; }
.contact-form > .form-next { margin: -0.75rem 0 1.75rem; }

.form-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; }
.field { display: grid; gap: 0.4rem; margin-bottom: 1.25rem; align-content: start; }
.field label { font-size: var(--fs-sm); font-weight: 600; color: var(--navy-900); }

.form-control {
  width: 100%; min-height: 3rem; padding: 0.75rem 0.9rem;
  font: inherit; font-size: 1rem; /* 16px: evita el zoom automático de iOS al enfocar */
  color: var(--ink); background: var(--white);
  border: 1px solid var(--field-border); border-radius: var(--r-md);
  caret-color: var(--blue-600);
  transition: border-color 0.18s ease;
}
.phone-group { display: grid; grid-template-columns: minmax(8.75rem, 38%) minmax(0, 1fr); gap: 0.5rem; }
select.form-control { padding-right: 0.5rem; text-overflow: ellipsis; }
.form-control::placeholder { color: var(--ink-placeholder); }
.form-control:focus { border-color: var(--blue-600); }
.form-control:user-invalid { border-color: var(--danger); }
textarea.form-control { resize: vertical; min-height: 7rem; }

.form-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 0.5rem; }
.form-status { min-height: 1.5em; margin-top: 1rem; font-size: var(--fs-sm); font-weight: 600; }
.form-next { font-size: var(--fs-sm); color: var(--ink-muted); margin: 0 0 1.75rem; max-width: 60ch; }
.field .consent-label { display: flex; align-items: flex-start; gap: 0.7rem; font-weight: 400; color: var(--ink); cursor: pointer; }
.consent-note { font-size: var(--fs-sm); color: var(--ink-muted); max-width: 60ch; margin: 0.25rem 0 1rem; }
.field.consent { margin-bottom: 0.75rem; }
.consent-label input { flex: none; width: 1.25rem; height: 1.25rem; margin-top: 0.2rem; cursor: pointer; }
.consent-label a, .footer-bottom a { text-decoration: underline; text-underline-offset: 0.2em; }
.form-status.is-info { color: var(--ink-muted); }
.form-status:not(:empty) { animation: fade 0.2s var(--ease-out); }
.form-status.is-success { color: var(--success); }
.form-status.is-error { color: var(--danger); }
.form-status a { text-decoration: underline; text-underline-offset: 0.2em; }

/* ================= Glosario ================= */
.glossary { margin-top: clamp(2.5rem, 5vw, 3.5rem); border-top: 1px solid var(--line); }
.glossary summary, .faq-item summary {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 3.25rem;
  font-weight: 600; color: var(--navy-900); cursor: pointer; list-style: none;
}
.glossary summary::-webkit-details-marker, .faq-item summary::-webkit-details-marker { display: none; }
.glossary summary::after, .faq-item summary::after {
  content: ''; flex: none; width: 0.6rem; height: 0.6rem; margin-right: 0.3rem;
  border: solid var(--navy-800); border-width: 0 2px 2px 0; transform: rotate(45deg);
  transition: transform 0.2s var(--ease-out);
}
.glossary[open] summary::after, .faq-item[open] summary::after { transform: rotate(-135deg); }

/* ================= Preguntas frecuentes ================= */
.faq { max-width: 52rem; }
.faq-item { border-top: 1px solid var(--line); }
.faq-item:last-child { border-bottom: 1px solid var(--line); }
.faq-item summary { min-height: 3.5rem; padding: 0.5rem 0; }
.faq-item p { color: var(--ink-muted); max-width: 62ch; padding-bottom: 1.25rem; }
.glossary-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: clamp(2rem, 5vw, 4.5rem); padding-bottom: 1rem; }
.glossary-list > div { padding: 0.95rem 0; border-top: 1px solid var(--line); }
.glossary-list dt { font-weight: 600; color: var(--navy-800); }
.glossary-list dd { font-size: var(--fs-sm); color: var(--ink-muted); margin-top: 0.15rem; }

/* ================= Errores por campo y confirmación ================= */
.field-error { color: var(--danger); font-size: var(--fs-sm); font-weight: 600; animation: fade 0.2s var(--ease-out); }
.form-control[aria-invalid="true"] { border-color: var(--danger); }
.consent-label input[aria-invalid="true"] { outline: 2px solid var(--danger); outline-offset: 2px; }
.form-success { animation: fade 0.25s var(--ease-out); }
.form-success:focus { outline: none; }
.success-icon { width: 2.75rem; height: 2.75rem; padding: 0.65rem; margin-bottom: 1rem; border-radius: 50%; background: var(--success); color: var(--white); }
.form-success p { color: var(--ink-muted); margin: 0.75rem 0 1.5rem; max-width: 52ch; }

/* ================= Objetivos táctiles de 44px en pantallas táctiles ================= */
@media (pointer: coarse) {
  .footer-links { gap: 0; }
  .footer-links a, .footer-bottom a, a.contact-value, .link-arrow, .service-cta, .need-link { display: inline-flex; align-items: center; min-height: 2.75rem; }
  .footer-bottom a { padding-inline: 0.15rem; }
}

/* ================= Barra de contacto móvil ================= */
.mobile-bar { display: none; }

/* ================= Página de texto legal ================= */
.legal { padding-block: clamp(3rem, 6vw, 5rem); }
.legal .container { max-width: 52rem; }
.legal h1 { font-size: var(--fs-h2); font-weight: 300; line-height: 1.15; letter-spacing: -0.015em; color: var(--navy-900); margin-bottom: 0.5rem; }
.legal h2 { font-size: var(--fs-h3); color: var(--navy-900); margin: 2.25rem 0 0.5rem; }
.legal p, .legal li { color: var(--ink); max-width: 65ch; }
.legal p + p, .legal ul { margin-top: 0.75rem; }
.legal ul { list-style: disc; padding-left: 1.25rem; }
.legal .legal-meta { color: var(--ink-muted); font-size: var(--fs-sm); }
.page-actions { margin-top: 1.75rem; }
.footer-bottom-legal { margin-top: 0; border-top: 0; padding-top: 0; }
.legal a, .form-next a, .faq-item a { color: var(--accent); text-decoration: underline; text-underline-offset: 0.2em; }

/* ================= Pie de página ================= */
.footer { background: var(--navy-950); color: var(--on-dark-muted); padding: clamp(3rem, 6vw, 4.5rem) 0 5.5rem; /* deja espacio al botón flotante de WhatsApp */ font-size: var(--fs-sm); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 2.5rem; }
.footer-logo { height: 40px; width: auto; }
.footer-brand p { margin-top: 1rem; max-width: 40ch; }
.footer-heading { font-size: var(--fs-sm); font-weight: 600; color: var(--white); margin-bottom: 1rem; }
.footer-links { display: grid; gap: 0.6rem; justify-items: start; }
.footer-bottom {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.5rem 1.5rem;
  margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--line-dark); font-size: 0.8125rem;
}
@media (hover: hover) and (pointer: fine) {
  .footer-links a:hover { color: var(--white); text-decoration: underline; text-underline-offset: 0.2em; }
}

/* ================= WhatsApp flotante ================= */
.whatsapp-float {
  position: fixed; z-index: 90; /* por debajo del encabezado (100), que contiene el menú móvil */
  right: max(1.25rem, env(safe-area-inset-right)); bottom: max(1.25rem, env(safe-area-inset-bottom));
  display: grid; place-items: center; width: 3.5rem; height: 3.5rem;
  background: var(--wa); color: var(--white); border-radius: 50%;
  box-shadow: 0 8px 20px rgba(10, 31, 56, 0.28);
  touch-action: manipulation; transition: background-color 0.18s ease, transform 160ms var(--ease-out);
}
.whatsapp-float .icon { width: 1.9rem; height: 1.9rem; }
.whatsapp-float:active { transform: scale(0.95); }
@media (hover: hover) and (pointer: fine) { .whatsapp-float:hover { background: var(--wa-hover); } }

/* ================= Responsive ================= */
@media (max-width: 992px) {
  .hero-grid, .about-grid, .norm-grid, .contact-grid, .section-header { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

/* Menú lateral: se activa antes que el resto del diseño móvil porque la barra completa no cabe en pantallas medianas (el logo no se comprime) */
@media (max-width: 1120px) {
  html { scroll-padding-top: 5rem; }
  .navbar { height: 68px; }
  .nav-logo { height: 38px; }
  .nav-actions { display: none; }
  .menu-toggle { display: grid; }

  /* Cerrado queda en visibility:hidden, fuera del orden de tabulación */
  .nav-menu {
    position: fixed; top: 0; right: 0; z-index: 99;
    width: min(20rem, 86vw); height: 100dvh; overflow-y: auto; overscroll-behavior: contain;
    flex-direction: column; align-items: stretch; gap: 0.25rem;
    padding: 1.25rem; background: var(--white); box-shadow: -10px 0 30px rgba(6, 21, 39, 0.25);
    transform: translateX(100%); visibility: hidden;
    transition: transform 0.22s var(--ease-drawer), visibility 0s 0.22s;
  }
  .nav-menu.open { transform: none; visibility: visible; transition: transform 0.32s var(--ease-drawer); }

  /* Los enlaces entran en cascada al abrir; al cerrar se van de inmediato */
  .nav-menu .nav-link, .nav-mobile-cta {
    opacity: 0; transform: translateX(14px);
    transition: opacity 0.16s ease-out, transform 0.16s ease-out, color 0.2s ease;
  }
  .nav-menu.open .nav-link, .nav-menu.open .nav-mobile-cta {
    opacity: 1; transform: none;
    transition: opacity 0.26s var(--ease-out), transform 0.26s var(--ease-out), color 0.2s ease;
  }
  .nav-menu.open > :nth-child(2) { transition-delay: 50ms, 50ms, 0s; }
  .nav-menu.open > :nth-child(3) { transition-delay: 80ms, 80ms, 0s; }
  .nav-menu.open > :nth-child(4) { transition-delay: 110ms, 110ms, 0s; }
  .nav-menu.open > :nth-child(5) { transition-delay: 140ms, 140ms, 0s; }
  .nav-menu.open > :nth-child(6) { transition-delay: 170ms, 170ms, 0s; }
  .nav-menu.open > :nth-child(7) { transition-delay: 200ms, 200ms, 0s; }
  .nav-menu.open > :nth-child(8) { transition-delay: 230ms, 230ms, 0s; }

  .nav-menu-header {
    display: flex; align-items: center; justify-content: space-between;
    padding-bottom: 0.75rem; margin-bottom: 0.5rem; border-bottom: 1px solid var(--line);
  }
  .nav-menu-title { font-weight: 600; font-size: var(--fs-lg); color: var(--navy-900); }
  .menu-close-btn { display: grid; margin-right: -0.5rem; }

  .nav-link { padding: 0.75rem 0.85rem; border-radius: var(--r-md); font-size: 1rem; }
  .nav-link::after { display: none; }
  .nav-link.active { background: var(--bg-alt); font-weight: 600; }

  .nav-mobile-cta { display: grid; gap: 0.75rem; margin-top: 1rem; padding-top: 1.25rem; border-top: 1px solid var(--line); }
}

@media (max-width: 768px) {
  .top-bar { display: none; }
  .hero-buttons .btn { flex: 1 1 100%; }
  .hero-proof { grid-template-columns: 1fr; }
  .service-list { grid-template-columns: 1fr; }
  .norm-item { grid-template-columns: 1fr; gap: 0.15rem; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .form-actions .btn { flex: 1 1 100%; }
  .footer-grid { grid-template-columns: 1fr; }
  .glossary-list { grid-template-columns: 1fr; }
  .needs { grid-template-columns: 1fr; }

  .whatsapp-float { display: none; }
  .footer { padding-bottom: calc(5.5rem + env(safe-area-inset-bottom)); }
  .mobile-bar {
    position: fixed; z-index: 90; left: 0; right: 0; bottom: 0;
    display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.5rem;
    padding: 0.6rem var(--gutter) calc(0.6rem + env(safe-area-inset-bottom));
    background: var(--white); border-top: 1px solid var(--line); box-shadow: 0 -4px 16px rgba(10, 31, 56, 0.08);
  }
  .mobile-bar .btn { padding-inline: 0.5rem; gap: 0.4rem; }
}

@media (max-width: 480px) {
  .steps { grid-template-columns: 1fr; }
}

/* Respeta "reducir movimiento": sin desplazamientos, pero las entradas siguen apareciendo con un fundido */
@keyframes fade { from { opacity: 0; } }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-desc, .hero-buttons, .hero-proof, .hero-capabilities, .tab-panel:not([hidden]) .service:not(.is-highlighted) { animation-name: fade; }
  .nav-menu, .nav-link::after, .tab-btn::after, .link-arrow .icon, .service-cta .icon, .need-link .icon, .glossary summary::after, .faq-item summary::after { transition: none; }
  .nav-menu :is(.nav-link, .nav-mobile-cta), .nav-menu.open :is(.nav-link, .nav-mobile-cta) { transform: none; transition: none; }
  .btn:active, .whatsapp-float:active { transform: none; }
  .link-arrow:hover .icon, .service-cta:hover .icon, .need-link:hover .icon, .view-next:hover .view-next-arrow .icon { transform: none; }
}