/* =============================================================
   CM Universales Corp — Landing
   Sistema de diseño industrial / acero / azul rey
   Autor: equipo CM Universales (frontend)
   ============================================================= */

/* -------------------------------------------------------------
   1. DESIGN TOKENS
   ------------------------------------------------------------- */
:root {
  /* Fondos grafito */
  --bg:            #0a0d12;
  --bg-2:          #0c1016;
  --bg-3:          #0e131b;

  /* Superficies de acero */
  --surface:       #131a24;
  --surface-2:     #18212e;
  --surface-3:     #1f2a39;

  /* Acero / líneas / bordes */
  --steel:         #2a3645;
  --line:          rgba(150, 170, 196, 0.14);
  --line-strong:   rgba(165, 185, 210, 0.26);
  --hairline:      rgba(255, 255, 255, 0.08);

  /* Azul rey / eléctrico (acento de marca) */
  --blue:          #1f6feb;
  --blue-bright:   #4f93ff;
  --blue-deep:     #0e3f97;
  --blue-ink:      #0a2a66;
  --blue-glow:     rgba(31, 111, 235, 0.40);
  --blue-soft:     rgba(31, 111, 235, 0.12);

  /* Texto */
  --text:          #eef2f8;
  --text-2:        #c2ccda;
  --muted:         #94a3b6;
  --muted-2:       #6c7a8d;
  --white:         #ffffff;

  /* Estado */
  --danger:        #ff5c6c;
  --success:       #3ad29f;

  /* Sombras controladas y profundas */
  --shadow-sm:     0 2px 10px rgba(0, 0, 0, 0.35);
  --shadow-md:     0 14px 40px -18px rgba(0, 0, 0, 0.75);
  --shadow-lg:     0 40px 80px -32px rgba(0, 0, 0, 0.85);
  --glow:          0 0 0 1px rgba(31, 111, 235, 0.55), 0 18px 50px -22px var(--blue-glow);

  /* Radios */
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-pill: 999px;

  /* Espaciado */
  --space-section: clamp(4.5rem, 9vw, 8rem);
  --container: 1200px;
  --gutter: clamp(1.1rem, 4vw, 2rem);

  /* Tipografía */
  --font-display: "Sora", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;

  /* Transiciones */
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --t-fast: 0.18s var(--ease);
  --t: 0.32s var(--ease);
  --t-slow: 0.6s var(--ease);

  /* Texturas */
  --steel-brush: repeating-linear-gradient(
      90deg,
      rgba(255, 255, 255, 0.018) 0 1px,
      rgba(0, 0, 0, 0) 1px 3px);

  --nav-h: 76px;
  --mobile-bar-h: 62px;
}

/* -------------------------------------------------------------
   2. RESET / BASE
   ------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

* { margin: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text-2);
  line-height: 1.7;
  font-size: 1.0625rem;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg, picture, video { display: block; max-width: 100%; }
img { height: auto; }

a { color: inherit; text-decoration: none; -webkit-tap-highlight-color: rgba(31, 111, 235, 0.18); }
button { font: inherit; color: inherit; cursor: pointer; background: none; border: none; -webkit-tap-highlight-color: rgba(31, 111, 235, 0.18); touch-action: manipulation; }
ul { list-style: none; padding: 0; }
input, textarea, select { font: inherit; color: inherit; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--text);
  line-height: 1.1;
  font-weight: 700;
  letter-spacing: -0.015em;
}

::selection { background: var(--blue); color: #fff; }

:focus-visible {
  outline: 2px solid var(--blue-bright);
  outline-offset: 3px;
  border-radius: 3px;
}

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

/* Skip link */
.skip-link {
  position: absolute;
  left: 50%; top: 0;
  translate: -50% -120%;
  background: var(--blue);
  color: #fff;
  padding: 0.6rem 1.2rem;
  border-radius: 0 0 var(--r-sm) var(--r-sm);
  z-index: 200;
  transition: translate var(--t);
}
.skip-link:focus { translate: -50% 0; }

/* -------------------------------------------------------------
   3. LAYOUT HELPERS
   ------------------------------------------------------------- */
.container {
  width: min(92%, var(--container));
  margin-inline: auto;
}

.section {
  position: relative;
  padding-block: var(--space-section);
}

.section--tight { padding-block: clamp(3rem, 6vw, 5rem); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--blue-bright);
  margin-bottom: 1.1rem;
}
.eyebrow::before {
  content: "";
  width: 28px; height: 1px;
  background: linear-gradient(90deg, var(--blue), transparent);
}

.section-head { max-width: 640px; margin-bottom: clamp(2.4rem, 5vw, 3.6rem); }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head.center .eyebrow::before { display: none; }

.section-title {
  font-size: clamp(1.85rem, 4vw, 2.85rem);
  color: var(--white);
}

.section-intro {
  margin-top: 1.1rem;
  color: var(--muted);
  font-size: 1.075rem;
  max-width: 60ch;
}
.center .section-intro { margin-inline: auto; }

/* Hairline divider */
.hairline {
  height: 1px;
  border: 0;
  background: linear-gradient(90deg, transparent, var(--line-strong), transparent);
}

/* -------------------------------------------------------------
   4. BUTTONS
   ------------------------------------------------------------- */
.btn {
  --btn-bg: var(--surface-2);
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.95rem 1.6rem;
  border-radius: var(--r-sm);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.97rem;
  letter-spacing: 0.01em;
  line-height: 1;
  background: var(--btn-bg);
  color: var(--text);
  border: 1px solid var(--line-strong);
  transition: transform var(--t-fast), box-shadow var(--t), background var(--t), border-color var(--t);
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; }
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: linear-gradient(180deg, var(--blue-bright), var(--blue));
  border-color: transparent;
  color: #fff;
  box-shadow: 0 10px 30px -12px var(--blue-glow), inset 0 1px 0 rgba(255, 255, 255, 0.25);
}
.btn-primary:hover {
  box-shadow: 0 16px 40px -12px var(--blue-glow), inset 0 1px 0 rgba(255, 255, 255, 0.3);
  background: linear-gradient(180deg, #66a2ff, var(--blue));
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.02);
  border-color: var(--line-strong);
  color: var(--text);
  backdrop-filter: blur(4px);
}
.btn-ghost:hover {
  border-color: var(--blue);
  box-shadow: var(--glow);
  background: var(--blue-soft);
}

.btn-lg { padding: 1.1rem 2rem; font-size: 1.02rem; }
.btn-block { width: 100%; }

/* -------------------------------------------------------------
   5. NAVBAR
   ------------------------------------------------------------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background var(--t), box-shadow var(--t), border-color var(--t), backdrop-filter var(--t);
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(9, 12, 17, 0.82);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom-color: var(--hairline);
  box-shadow: var(--shadow-sm);
}

.nav__inner {
  width: min(94%, 1280px);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand { display: inline-flex; align-items: center; gap: 0.7rem; }
.brand img { height: 42px; width: auto; }
.brand__text { display: none; }

.nav__links {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}
.nav__links a {
  position: relative;
  padding: 0.5rem 0.85rem;
  font-size: 0.94rem;
  font-weight: 500;
  color: var(--text-2);
  border-radius: var(--r-sm);
  transition: color var(--t-fast), background var(--t-fast);
}
.nav__links a::after {
  content: "";
  position: absolute;
  left: 0.85rem; right: 0.85rem; bottom: 0.28rem;
  height: 1.5px;
  background: var(--blue-bright);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t);
}
.nav__links a:hover { color: var(--white); }
.nav__links a:hover::after,
.nav__links a.active::after { transform: scaleX(1); }
.nav__links a.active { color: var(--white); }

.nav__actions { display: flex; align-items: center; gap: 0.8rem; }

/* Language switch */
.lang {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  overflow: hidden;
  font-family: var(--font-display);
  font-size: 0.74rem;
  font-weight: 600;
}
.lang button {
  padding: 0.4rem 0.7rem;
  color: var(--muted);
  letter-spacing: 0.05em;
  transition: color var(--t-fast), background var(--t-fast);
}
.lang button[aria-pressed="true"] {
  background: var(--blue);
  color: #fff;
}

/* Hamburger */
.nav__toggle {
  display: none;
  width: 46px; height: 46px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  position: relative;
}
.nav__toggle span,
.nav__toggle span::before,
.nav__toggle span::after {
  content: "";
  position: absolute;
  left: 50%; top: 50%;
  width: 20px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  translate: -50% -50%;
  transition: transform var(--t), opacity var(--t-fast), top var(--t);
}
.nav__toggle span::before { top: -6px; }
.nav__toggle span::after  { top: 6px; }
.nav.menu-open .nav__toggle span { background: transparent; }
.nav.menu-open .nav__toggle span::before { top: 0; transform: rotate(45deg); }
.nav.menu-open .nav__toggle span::after  { top: 0; transform: rotate(-45deg); }

/* -------------------------------------------------------------
   6. MOBILE MENU
   ------------------------------------------------------------- */
.mobile-menu {
  position: fixed;
  inset: var(--nav-h) 0 0 0;
  z-index: 99;
  background: linear-gradient(180deg, rgba(8, 11, 16, 0.98), rgba(10, 14, 20, 0.99));
  backdrop-filter: blur(18px);
  border-top: 1px solid var(--hairline);
  display: flex;
  flex-direction: column;
  padding: 2rem max(var(--gutter), env(safe-area-inset-left)) calc(2.4rem + env(safe-area-inset-bottom)) max(var(--gutter), env(safe-area-inset-right));
  gap: 0.4rem;
  transform: translateY(-12px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--t), transform var(--t), visibility var(--t);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}
.mobile-menu.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}
.mobile-menu a.m-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0.4rem;
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text);
  border-bottom: 1px solid var(--hairline);
}
.mobile-menu a.m-link .m-num { color: var(--blue-bright); font-size: 0.9rem; font-family: var(--font-display); }
.mobile-menu .btn { margin-top: 1.4rem; }
.mobile-menu .m-contact {
  margin-top: auto;
  padding-top: 1.4rem;
  color: var(--muted);
  font-size: 0.95rem;
  display: grid;
  gap: 0.4rem;
}
.mobile-menu .m-contact a { color: var(--text-2); }
.mobile-menu .m-lang { width: max-content; margin-bottom: 0.6rem; }
.mobile-menu .m-lang button { padding: 0.5rem 0.9rem; font-size: 0.8rem; }

/* -------------------------------------------------------------
   7. HERO
   ------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-h);
  overflow: hidden;
  isolation: isolate;
}
.hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
}
.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 55% center;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(105deg, rgba(8, 11, 16, 0.95) 0%, rgba(8, 11, 16, 0.78) 36%, rgba(9, 13, 20, 0.45) 70%, rgba(10, 30, 70, 0.35) 100%),
    radial-gradient(120% 90% at 0% 100%, rgba(31, 111, 235, 0.22), transparent 55%);
}
.hero__overlay::after {
  /* línea metálica + textura de acero muy sutil */
  content: "";
  position: absolute;
  inset: 0;
  background: var(--steel-brush);
  opacity: 0.5;
  mix-blend-mode: overlay;
}

.hero__inner {
  width: min(92%, var(--container));
  margin-inline: auto;
  padding-block: clamp(3rem, 8vh, 6rem);
}
.hero__content { max-width: 720px; }

.hero h1 {
  font-size: clamp(2.3rem, 6.2vw, 4.4rem);
  line-height: 1.04;
  color: var(--white);
  margin-block: 1.2rem 1.4rem;
}
.hero h1 .accent {
  background: linear-gradient(120deg, var(--blue-bright), #8fc0ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__lead {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--text-2);
  max-width: 58ch;
}
.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 2.2rem;
}

/* Detalle de marco metálico en esquina del hero */
.hero__bracket {
  position: absolute;
  width: 64px; height: 64px;
  border: 1px solid var(--line-strong);
  z-index: -1;
}
.hero__bracket.tl { top: calc(var(--nav-h) + 28px); left: 4%; border-right: 0; border-bottom: 0; }
.hero__bracket.br { bottom: 96px; right: 4%; border-left: 0; border-top: 0; }

/* Mini-marcadores de sectores */
.hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 2.4rem;
}
.hero__tags span {
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-2);
  padding: 0.45rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, 0.025);
}

/* Indicador de scroll */
.scroll-cue {
  position: absolute;
  left: 50%; bottom: 26px;
  translate: -50% 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--muted);
  font-family: var(--font-display);
  font-size: 0.66rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.scroll-cue .mouse {
  width: 22px; height: 36px;
  border: 1.5px solid var(--line-strong);
  border-radius: var(--r-pill);
  position: relative;
}
.scroll-cue .mouse::after {
  content: "";
  position: absolute;
  left: 50%; top: 7px;
  width: 3px; height: 7px;
  background: var(--blue-bright);
  border-radius: 2px;
  translate: -50% 0;
  animation: scrollDot 1.8s var(--ease) infinite;
}
@keyframes scrollDot {
  0%   { opacity: 0; transform: translateY(-4px); }
  40%  { opacity: 1; }
  80%  { opacity: 0; transform: translateY(10px); }
  100% { opacity: 0; }
}

/* -------------------------------------------------------------
   8. VALUE PANELS (Propuesta de valor)
   ------------------------------------------------------------- */
.panels {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.2rem;
}
.panel {
  position: relative;
  padding: 2.1rem 1.8rem 2rem;
  background:
    linear-gradient(180deg, var(--surface-2), var(--surface));
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: transform var(--t), border-color var(--t), box-shadow var(--t);
}
.panel::before {
  /* línea metálica superior con brillo azul */
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--blue), transparent);
  opacity: 0.55;
  transition: opacity var(--t);
}
.panel::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--steel-brush);
  opacity: 0.4;
  pointer-events: none;
}
.panel:hover {
  transform: translateY(-5px);
  border-color: rgba(31, 111, 235, 0.5);
  box-shadow: var(--shadow-md), 0 0 40px -20px var(--blue-glow);
}
.panel:hover::before { opacity: 1; }

.panel__icon {
  width: 52px; height: 52px;
  display: grid;
  place-items: center;
  border-radius: var(--r-sm);
  background: var(--blue-soft);
  border: 1px solid rgba(31, 111, 235, 0.35);
  color: var(--blue-bright);
  margin-bottom: 1.3rem;
}
.panel__icon svg { width: 26px; height: 26px; }
.panel h3 {
  font-size: 1.22rem;
  color: var(--white);
  margin-bottom: 0.6rem;
}
.panel p { color: var(--muted); font-size: 1rem; }
.panel__num {
  position: absolute;
  top: 1.4rem; right: 1.6rem;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--muted-2);
  letter-spacing: 0.1em;
}

/* -------------------------------------------------------------
   9. SERVICIOS (composición editorial)
   ------------------------------------------------------------- */
.services {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(1.6rem, 4vw, 3.2rem);
  align-items: center;
}
.services__visual {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-lg);
  min-height: 420px;
}
.services__visual img {
  width: 100%; height: 100%;
  min-height: 420px;
  object-fit: cover;
}
.services__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(8, 11, 16, 0.75)),
              linear-gradient(90deg, rgba(31, 111, 235, 0.15), transparent 60%);
}
.services__visual figcaption {
  position: absolute;
  left: 1.5rem; bottom: 1.4rem;
  z-index: 1;
  font-family: var(--font-display);
  font-weight: 600;
  color: #fff;
  font-size: 1.05rem;
}
.services__visual figcaption small {
  display: block;
  font-weight: 500;
  color: var(--text-2);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 0.68rem;
  margin-bottom: 0.3rem;
}

.service-list { display: grid; gap: 0; }
.service-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.1rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--line);
  transition: padding-left var(--t);
}
.service-item:last-child { border-bottom: 1px solid var(--line); }
.service-item:hover { padding-left: 0.5rem; }
.service-item__icon {
  width: 46px; height: 46px;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: var(--r-sm);
  background: var(--surface-2);
  border: 1px solid var(--line-strong);
  color: var(--blue-bright);
  transition: border-color var(--t), box-shadow var(--t);
}
.service-item:hover .service-item__icon {
  border-color: var(--blue);
  box-shadow: 0 0 24px -10px var(--blue-glow);
}
.service-item__icon svg { width: 22px; height: 22px; }
.service-item h3 { font-size: 1.15rem; color: var(--white); margin-bottom: 0.3rem; }
.service-item p { color: var(--muted); font-size: 0.99rem; }

/* -------------------------------------------------------------
   10. PROCESO (timeline ingeniería)
   ------------------------------------------------------------- */
.process { position: relative; }
.process__bg {
  position: absolute; inset: 0; z-index: -1;
  background: var(--bg-2);
}
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem;
  position: relative;
}
.steps::before {
  /* línea metálica que conecta los nodos */
  content: "";
  position: absolute;
  top: 26px; left: 6%; right: 6%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong) 12%, var(--line-strong) 88%, transparent);
}
.step { position: relative; padding-top: 0; }
.step__node {
  width: 52px; height: 52px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  color: var(--blue-bright);
  font-family: var(--font-display);
  font-weight: 700;
  position: relative;
  z-index: 1;
  margin-bottom: 1.3rem;
  transition: border-color var(--t), box-shadow var(--t), color var(--t);
}
.step:hover .step__node {
  border-color: var(--blue);
  color: #fff;
  background: linear-gradient(180deg, var(--blue-bright), var(--blue));
  box-shadow: 0 0 30px -8px var(--blue-glow);
}
.step h3 { font-size: 1.12rem; color: var(--white); margin-bottom: 0.5rem; }
.step p { color: var(--muted); font-size: 0.98rem; }
.process__cta { margin-top: clamp(2.4rem, 5vw, 3.4rem); text-align: center; }

/* -------------------------------------------------------------
   11. GALERÍA (editorial)
   ------------------------------------------------------------- */
.gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 200px;
  gap: 1rem;
}
.g-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
}
.g-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--t-slow);
}
.g-item::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(8, 11, 16, 0.85));
  opacity: 0.85;
  transition: opacity var(--t);
}
.g-item:hover img { transform: scale(1.07); }
.g-item:hover::after { opacity: 0.6; }
.g-item__label {
  position: absolute;
  left: 1rem; bottom: 0.9rem;
  z-index: 1;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: #fff;
  text-shadow: 0 1px 8px rgba(0,0,0,0.6);
}
.g-item.tall { grid-row: span 2; }
.g-item.wide { grid-column: span 2; }

/* -------------------------------------------------------------
   12. NOSOTROS
   ------------------------------------------------------------- */
.about {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(1.8rem, 5vw, 3.6rem);
  align-items: center;
}
.about__media {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-lg);
}
.about__media img { width: 100%; object-fit: cover; }
.about__media::before {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 45%;
  background: linear-gradient(180deg, transparent, rgba(8, 11, 16, 0.55));
  z-index: 1;
}
.about__frame {
  position: absolute;
  inset: 14px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--r-md);
  z-index: 2;
  pointer-events: none;
}
.about__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.8rem;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: var(--surface);
  font-size: 0.88rem;
  color: var(--text-2);
}
.chip svg { width: 16px; height: 16px; color: var(--blue-bright); }

/* -------------------------------------------------------------
   13. CTA DE IMPACTO
   ------------------------------------------------------------- */
.impact {
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.impact__bg {
  position: absolute; inset: 0; z-index: -2;
  background:
    radial-gradient(80% 120% at 100% 0%, rgba(31, 111, 235, 0.20), transparent 55%),
    linear-gradient(180deg, #0b0f15, #0a0d12);
}
.impact__bg::after {
  content: "";
  position: absolute; inset: 0;
  background: var(--steel-brush);
  opacity: 0.6;
}
.impact__inner {
  text-align: center;
  max-width: 720px;
  margin-inline: auto;
  padding-block: clamp(1rem, 3vw, 2rem);
}
.impact h2 {
  font-size: clamp(1.9rem, 4.5vw, 3rem);
  color: var(--white);
}
.impact p { margin-top: 1.1rem; color: var(--text-2); font-size: 1.1rem; }
.impact__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  justify-content: center;
  margin-top: 2.2rem;
}
.impact__line {
  position: absolute;
  left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--blue), transparent);
  opacity: 0.4;
}
.impact__line.top { top: 0; }
.impact__line.bottom { bottom: 0; }

/* -------------------------------------------------------------
   14. CONTACTO + FORMULARIO
   ------------------------------------------------------------- */
.contact {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(1.8rem, 5vw, 3.4rem);
  align-items: start;
}
.form-card {
  position: relative;
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: clamp(1.6rem, 4vw, 2.6rem);
  box-shadow: var(--shadow-lg);
}
.form-card::before {
  content: "";
  position: absolute; inset: 0 0 auto 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--blue), transparent);
  border-radius: var(--r-lg) var(--r-lg) 0 0;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.1rem 1.1rem;
}
.field { display: flex; flex-direction: column; gap: 0.45rem; }
.field.full { grid-column: 1 / -1; }
.field label {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-2);
  letter-spacing: 0.02em;
}
.field label .req { color: var(--blue-bright); }
.field input,
.field textarea,
.field select {
  width: 100%;
  padding: 0.85rem 0.95rem;
  background: rgba(8, 11, 16, 0.6);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-sm);
  color: var(--text);
  font-size: 0.97rem;
  transition: border-color var(--t-fast), box-shadow var(--t-fast), background var(--t-fast);
}
.field textarea { resize: vertical; min-height: 120px; }
.field input::placeholder,
.field textarea::placeholder { color: var(--muted-2); }
.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: none;
  border-color: var(--blue);
  background: rgba(8, 11, 16, 0.85);
  box-shadow: 0 0 0 3px var(--blue-soft);
}
.field.invalid input,
.field.invalid textarea,
.field.invalid select {
  border-color: var(--danger);
  box-shadow: 0 0 0 3px rgba(255, 92, 108, 0.12);
}
.field__error {
  display: none;
  font-size: 0.78rem;
  color: var(--danger);
  font-family: var(--font-display);
}
.field.invalid .field__error { display: block; }

.form-actions { margin-top: 1.6rem; }
.form-note {
  margin-top: 0.9rem;
  font-size: 0.82rem;
  color: var(--muted-2);
  text-align: center;
}

/* Mensaje de estado del formulario */
.form-status {
  display: none;
  align-items: flex-start;
  gap: 0.7rem;
  margin-top: 1.2rem;
  padding: 0.95rem 1.1rem;
  border-radius: var(--r-sm);
  font-size: 0.92rem;
  border: 1px solid var(--line-strong);
}
.form-status.show { display: flex; }
.form-status svg { width: 20px; height: 20px; flex: none; margin-top: 1px; }
.form-status.success { background: rgba(58, 210, 159, 0.08); border-color: rgba(58, 210, 159, 0.4); color: #b6f0d9; }
.form-status.success svg { color: var(--success); }
.form-status.error { background: rgba(255, 92, 108, 0.08); border-color: rgba(255, 92, 108, 0.4); color: #ffd0d5; }
.form-status.error svg { color: var(--danger); }
.form-status.info { background: var(--blue-soft); border-color: rgba(31,111,235,0.4); color: #cfe0ff; }
.form-status.info svg { color: var(--blue-bright); }

/* Panel de información de contacto */
.contact-info { display: grid; gap: 1.1rem; align-content: start; }
.contact-info > p { color: var(--muted); }
.info-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.15rem 1.2rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  transition: border-color var(--t), transform var(--t), box-shadow var(--t);
}
.info-row:hover {
  border-color: rgba(31, 111, 235, 0.5);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.info-row__icon {
  width: 46px; height: 46px;
  flex: none;
  display: grid; place-items: center;
  border-radius: var(--r-sm);
  background: var(--blue-soft);
  border: 1px solid rgba(31, 111, 235, 0.35);
  color: var(--blue-bright);
}
.info-row__icon svg { width: 22px; height: 22px; }
.info-row small {
  display: block;
  color: var(--muted-2);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-family: var(--font-display);
  margin-bottom: 0.15rem;
}
.info-row a, .info-row span.val {
  color: var(--text);
  font-weight: 600;
  font-size: 1.02rem;
  word-break: break-word;
}
.info-row small.info-row__name {
  display: block;
  margin: 0.3rem 0 0;
  color: var(--muted);
  font-size: 0.82rem;
  letter-spacing: 0;
  text-transform: none;
}

/* -------------------------------------------------------------
   15. FOOTER
   ------------------------------------------------------------- */
.footer {
  position: relative;
  background: var(--bg-2);
  border-top: 1px solid var(--hairline);
  padding-block: clamp(3rem, 6vw, 4.5rem) 1.5rem;
}
.footer::before {
  content: "";
  position: absolute; inset: 0 0 auto 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--blue), transparent);
  opacity: 0.5;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.2fr;
  gap: 2.4rem;
}
.footer__brand img {
  height: 64px;
  width: auto;
  margin-bottom: 1.25rem;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.45));
}
.footer__brand p { color: var(--muted); font-size: 0.96rem; max-width: 38ch; }
.footer h4 {
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-2);
  margin-bottom: 1.1rem;
}
.footer__links { display: grid; gap: 0.6rem; }
.footer__links a { color: var(--muted); font-size: 0.96rem; transition: color var(--t-fast); }
.footer__links a:hover { color: var(--blue-bright); }
.footer__contact { display: grid; gap: 0.7rem; }
.footer__contact a {
  display: flex; align-items: center; gap: 0.65rem;
  color: var(--text-2); font-size: 0.96rem;
  transition: color var(--t-fast);
}
.footer__contact a:hover { color: var(--blue-bright); }
.footer__contact svg { width: 17px; height: 17px; color: var(--blue-bright); flex: none; }
.footer__bottom {
  margin-top: 2.6rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--hairline);
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.2rem;
  justify-content: space-between;
  align-items: center;
  color: var(--muted-2);
  font-size: 0.85rem;
}

/* -------------------------------------------------------------
   16. REVEAL ANIMATIONS
   ------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  will-change: opacity, transform;
}
.reveal.is-visible { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: 0.08s; }
.reveal[data-delay="2"] { transition-delay: 0.16s; }
.reveal[data-delay="3"] { transition-delay: 0.24s; }
.reveal[data-delay="4"] { transition-delay: 0.32s; }

/* -------------------------------------------------------------
   17. RESPONSIVE
   ------------------------------------------------------------- */
@media (max-width: 1024px) {
  .services { grid-template-columns: 1fr; }
  .services__visual { min-height: 320px; }
  .services__visual img { min-height: 320px; }
  .about { grid-template-columns: 1fr; }
  .about__media { max-width: 560px; }
  .contact { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 860px) {
  .nav__links, .nav__actions .lang, .nav__actions .btn { display: none; }
  .nav__toggle { display: block; }
  .nav__actions { gap: 0; }
  .steps { grid-template-columns: 1fr 1fr; gap: 1.6rem 1.2rem; }
  .steps::before { display: none; }
  .gallery { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 170px; }
  .g-item.wide { grid-column: span 2; }
}

@media (max-width: 560px) {
  :root { --nav-h: 66px; }
  .brand img { height: 36px; }
  .form-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: 1fr 1fr; grid-auto-rows: 140px; }
  .hero__bracket { display: none; }

  /* CTAs a ancho completo y apiladas para pulgares cómodos */
  .hero__cta,
  .impact__cta { flex-direction: column; align-items: stretch; }
  .hero__cta .btn,
  .impact__cta .btn { width: 100%; }
  .process__cta .btn { width: 100%; }

  /* Toques de aire para texto largo en pantallas estrechas */
  .section-intro { font-size: 1.01rem; }
  .info-row { padding: 1rem; }
  .info-row a, .info-row span.val { font-size: 0.96rem; }

  .footer__grid { grid-template-columns: 1fr; }
  .footer__bottom { justify-content: flex-start; }
}

@media (max-width: 380px) {
  .hero h1 { font-size: clamp(1.95rem, 8.5vw, 2.4rem); }
  .hero__tags span { font-size: 0.66rem; padding: 0.4rem 0.7rem; }
  .panel { padding: 1.7rem 1.4rem; }
  .btn { padding: 0.9rem 1.2rem; }
}

/* Evita el zoom automático de iOS al enfocar campos (requiere >=16px) */
@media (max-width: 768px) {
  .field input,
  .field textarea,
  .field select { font-size: 16px; }
}

/* -------------------------------------------------------------
   18. ACCESIBILIDAD: movimiento reducido
   ------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* -------------------------------------------------------------
   19. BARRA DE ACCIÓN MÓVIL (acceso rápido a contacto)
   ------------------------------------------------------------- */
.mobile-bar {
  position: fixed;
  inset: auto 0 0 0;
  z-index: 90;
  display: none;                 /* solo se muestra en móvil/tablet */
  align-items: stretch;
  gap: 0;
  background: rgba(9, 12, 17, 0.92);
  backdrop-filter: blur(14px) saturate(140%);
  border-top: 1px solid var(--hairline);
  box-shadow: 0 -10px 30px -18px rgba(0, 0, 0, 0.8);
  padding-bottom: env(safe-area-inset-bottom);
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
}
.mobile-bar__btn {
  flex: 1 1 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.2rem;
  min-height: var(--mobile-bar-h);
  padding: 0.5rem 0.4rem;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text-2);
  transition: background var(--t-fast), color var(--t-fast);
}
.mobile-bar__btn + .mobile-bar__btn { border-left: 1px solid var(--hairline); }
.mobile-bar__btn svg { width: 22px; height: 22px; }
.mobile-bar__btn:active { background: rgba(31, 111, 235, 0.14); color: var(--white); }
.mobile-bar__btn--cta {
  background: linear-gradient(180deg, var(--blue-bright), var(--blue));
  color: #fff;
}
.mobile-bar__btn--cta:active { color: #fff; background: var(--blue-deep); }

@media (max-width: 860px) {
  .mobile-bar { display: flex; }
  /* Reserva espacio para que la barra no tape el contenido final */
  body { padding-bottom: calc(var(--mobile-bar-h) + env(safe-area-inset-bottom)); }
  /* El menú móvil debe quedar por encima de la barra */
  .mobile-menu { z-index: 99; }
}

/* -------------------------------------------------------------
   20. AJUSTES PARA MÓVIL EN HORIZONTAL (poca altura)
   ------------------------------------------------------------- */
@media (max-height: 480px) and (orientation: landscape) {
  .hero { min-height: auto; padding-block: calc(var(--nav-h) + 1.5rem) 2.5rem; }
  .scroll-cue { display: none; }
  .hero__tags { margin-top: 1.4rem; }
}

/* -------------------------------------------------------------
   21. TÁCTIL: evita estados :hover "pegados" tras un toque
   ------------------------------------------------------------- */
@media (hover: none) {
  .panel:hover,
  .info-row:hover,
  .btn:hover,
  .g-item:hover img,
  .service-item:hover { transform: none; }
  .service-item:hover { padding-left: 0; }
}