/* ============================================================
   A R V · estudio digital — Página Completa (ARV-W2)
   Identidad: tinta clara + azul sobre fondo navy con partículas.
   Tipografía: Cabinet Grotesk (display) · Satoshi (texto).
   ============================================================ */

:root {
  --paper: #05060f;
  --paper-2: #10141f;
  --ink: #e7eefb;
  --ink-soft: #b7c6de;
  --muted: #7d8ba3;
  --line: rgba(255, 255, 255, 0.14);
  --accent: #2b4f8a;
  --accent-deep: #3d6bb8;
  --accent-text: #86aeeb;
  --accent-glow: 157, 195, 247;
  --on-dark: var(--ink);
  --on-dark-muted: var(--muted);
  --line-dark: var(--line);
  --font-display: "Cabinet Grotesk", "Avenir Next", "Helvetica Neue", sans-serif;
  --font-body: "Satoshi", -apple-system, "Segoe UI", sans-serif;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);

  --glass-blur: 20px;
  --glass-sat: 180%;
  --glass-bg: rgba(16, 20, 31, 0.5);
  --glass-bg-strong: rgba(16, 20, 31, 0.7);
  --glass-border: rgba(231, 238, 251, 0.14);
  --glass-highlight: rgba(231, 238, 251, 0.22);
  --radius-glass-lg: 22px;
  --radius-glass-md: 14px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a { color: inherit; }

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

/* ---------- Fondo global: partículas + luz ambiental ---------- */

#bg-particles {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  pointer-events: none;
}

body {
  background-image: linear-gradient(0deg, rgba(216, 236, 248, .05), rgba(152, 192, 239, .05));
}

.fx-ambient {
  position: fixed;
  inset: -30% -20%;
  z-index: -1;
  pointer-events: none;
  mix-blend-mode: screen;
  will-change: transform;
  background:
    radial-gradient(55rem 36rem at 78% 18%, rgba(var(--accent-glow), 0.12), transparent 62%),
    radial-gradient(40rem 30rem at 12% 78%, rgba(var(--accent-glow), 0.07), transparent 60%);
}

.fx-cursor {
  position: fixed;
  left: 0;
  top: 0;
  width: 12rem;
  height: 12rem;
  margin: -6rem 0 0 -6rem;
  z-index: -1;
  pointer-events: none;
  mix-blend-mode: screen;
  will-change: transform;
  background: radial-gradient(closest-side, rgba(var(--accent-glow), 0.12), transparent 70%);
  opacity: 0;
  transition: opacity 0.6s var(--ease);
}

.fx-cursor.on { opacity: 1; }

.fx-sparks {
  position: fixed;
  inset: 0;
  z-index: 999;
  pointer-events: none;
}

@media (prefers-reduced-motion: reduce) {
  #bg-particles { display: none; }
  .fx-ambient { display: none; }
  .fx-cursor { display: none; }
  .fx-sparks { display: none; }
}

.wrap {
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: clamp(20px, 4.5vw, 48px);
}

/* ---------- Tipografía ---------- */

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.08;
  text-wrap: balance;
}

.display {
  font-size: clamp(2.4rem, 5vw, 3.75rem);
  letter-spacing: -0.03em;
}

h2 { font-size: clamp(1.8rem, 3.6vw, 2.6rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); line-height: 1.2; }

.lede {
  font-size: clamp(1.0625rem, 1.6vw, 1.1875rem);
  color: var(--muted);
  max-width: 34em;
}

.small { font-size: 0.875rem; color: var(--muted); }

/* ---------- Botones: magnetismo + brillo ---------- */

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  padding: 0.875rem 1.5rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 700;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 999px;
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  z-index: 0;
  transform: translate3d(var(--bx, 0px), var(--by, 0px), 0) scale(var(--press, 1));
  transition: background-color 0.25s var(--ease), border-color 0.25s var(--ease),
    color 0.25s var(--ease), transform 0.2s var(--ease), box-shadow 0.3s var(--ease);
}

.btn:active { --press: 0.97; }

.btn:focus-visible,
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent-text);
  outline-offset: 3px;
}

.btn-solid { background: color-mix(in srgb, var(--accent) 80%, transparent); border-color: rgba(255, 255, 255, 0.22); color: #fff; }
.btn-solid:hover {
  background: color-mix(in srgb, var(--accent-deep) 85%, transparent);
  box-shadow: 0 0 0 1px rgba(var(--accent-glow), 0.35), 0 8px 32px rgba(31, 59, 105, 0.45);
}

.btn-line::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease);
  z-index: -1;
}

.btn-line { border-color: var(--ink); color: var(--ink); background: rgba(231, 238, 251, 0.06); }
.btn-line:hover { color: var(--paper); }
.btn-line:hover::before { transform: scaleX(1); }

.close .btn-line { border-color: var(--on-dark); color: var(--on-dark); }
.close .btn-line::before { background: var(--on-dark); }
.close .btn-line:hover { color: var(--ink); }

/* Enlace con subrayado fino */
.link {
  color: var(--accent-text);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 1px;
  transition: opacity 0.2s var(--ease);
}
.link:hover { opacity: 0.7; }

/* ---------- Liquid Glass (material compartido) ----------
   Botones, tarjetas y paneles que usan este material comparten blur+saturate,
   borde y highlight que sigue el cursor (--mx/--my, ver assets/main.js). Radio
   grande y redondeado para paneles (tarjetas), radio de píldora para controles
   (botones) — mismo criterio que el nav flotante en assets/anime-navbar.css. */

.glass,
.btn-solid,
.btn-line,
.tier,
.q-card,
.q-summary {
  position: relative;
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-sat));
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-sat));
  box-shadow:
    inset 0 1px 1px var(--glass-highlight),
    inset 0 -1px 14px rgba(0, 0, 0, 0.22);
}

.glass::after,
.btn-solid::after,
.btn-line::after,
.tier::after,
.q-card::after,
.q-summary::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(220px circle at var(--mx, 30%) var(--my, 20%), rgba(255, 255, 255, 0.14), transparent 60%);
  mix-blend-mode: overlay;
  pointer-events: none;
}

.glass {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-glass-lg);
}

/* ---------- Header / Nav ---------- */

.site-head {
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease);
}

.site-head.scrolled { border-bottom-color: var(--line); }

.head-in {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 2rem;
}

.brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: 0.08em;
  text-decoration: none;
  display: flex;
  align-items: baseline;
  gap: 0.6em;
}

.brand span {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
  color: var(--muted);
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(1.25rem, 2.5vw, 2.25rem);
}

.nav a:not(.btn) {
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--ink-soft);
  transition: color 0.2s var(--ease);
}

.nav a:not(.btn):hover { color: var(--ink); }

.nav a[aria-current="page"] {
  color: var(--ink);
  font-weight: 700;
  border-bottom: 2px solid var(--accent-text);
  padding-bottom: 2px;
}

.nav .btn { padding: 0.625rem 1.125rem; font-size: 0.875rem; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--ink);
  margin-inline: auto;
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}

@media (max-width: 860px) {
  .nav-toggle { display: flex; }

  .nav {
    position: fixed;
    inset: 72px 0 auto 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 0.5rem clamp(20px, 4.5vw, 48px) 1.5rem;
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.3s var(--ease), opacity 0.3s var(--ease), visibility 0.3s;
  }

  .nav.open { transform: translateY(0); opacity: 1; visibility: visible; }

  .nav a:not(.btn) {
    width: 100%;
    padding: 0.875rem 0;
    font-size: 1.125rem;
    border-bottom: 1px solid var(--line);
  }

  .nav a[aria-current="page"] { border-bottom: 1px solid var(--line); color: var(--accent-text); }

  .nav .btn { margin-top: 1.25rem; }

  .nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }
}

/* ---------- Hero ---------- */

.hero { padding: clamp(3rem, 8vh, 5rem) 0 clamp(1.75rem, 4vh, 2.75rem); }

/* Hero de solo texto (título + lede) pegado a la siguiente sección: sin este ajuste
   se suman dos paddings grandes pensados para contenido distinto y queda un
   vacío injustificado entre el lede y el siguiente heading. */
.hero + .section { padding-top: clamp(1.5rem, 3vh, 2.5rem); }

/* .section-head trae margin-bottom para separarse del contenido que sigue
   dentro de su misma sección (tiers, rows). Dentro del hero no hay nada
   después: ese margen solo sumaba vacío extra al padding de arriba. */
.hero .section-head { margin-bottom: 0; }

.hero-title {
  max-width: 17em;
  margin-bottom: clamp(2rem, 5vh, 3rem);
}

.hero-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: clamp(2.5rem, 5vw, 4.5rem);
  align-items: start;
}

.hero-copy { padding-top: 0.5rem; }

.hero-copy .lede { margin-bottom: 2rem; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 0.875rem; }

.hero-media figcaption { margin-top: 0.75rem; }

@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
}

/* ---------- Hero de partículas (home) ---------- */

@property --p {
  syntax: '<percentage>';
  inherits: false;
  initial-value: 0%;
}

.hero-particles {
  position: relative;
  overflow: hidden;
  height: clamp(560px, 92vh, 820px);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: max(calc(min(600px, 80vh) * 0.03), 12px);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.hero-particles__spotlight {
  pointer-events: none;
  position: absolute;
  inset: 0 0 auto 0;
  margin: 0 auto;
  height: 42em;
  width: 100%;
  overflow: hidden;
  z-index: 0;
}

.hero-particles__spotlight span {
  display: block;
  border-radius: 0 0 50% 50%;
  position: absolute;
  left: 50%;
  margin-left: -15em;
  top: -6em;
  width: 30em;
  height: max(42em, 86vh);
  background-image: conic-gradient(from 0deg at 50% -5%, transparent 45%, rgba(124, 145, 182, .3) 49%, rgba(124, 145, 182, .5) 50%, rgba(124, 145, 182, .3) 51%, transparent 55%);
  transform-origin: 50% 0;
  filter: blur(15px) opacity(0.5);
}

.hero-particles__spotlight span:nth-child(1) {
  transform: rotate(20deg);
  animation: load 2s ease-in-out forwards, loadrot 2s ease-in-out forwards, spotlight 17s ease-in-out infinite;
}

.hero-particles__spotlight span:nth-child(2) {
  transform: rotate(-20deg);
  animation: load 2s ease-in-out forwards, loadrot 2s ease-in-out forwards, spotlight 14s ease-in-out infinite;
}

.hero-particles__spotlight span:nth-child(3) {
  transform: rotate(0deg);
  animation: load 2s ease-in-out forwards, loadrot 2s ease-in-out forwards, spotlight 21s ease-in-out infinite reverse;
}

.hero-particles__accents {
  pointer-events: none;
  position: absolute;
  inset: 0;
  height: 42em;
  z-index: 0;
}

.hero-particles__accents-row {
  position: absolute;
  right: 0;
  left: 0;
  margin: auto;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(186, 215, 247, .18), transparent);
  opacity: 0;
  transform: scale(0);
  animation: accentload 0.8s ease-out 0.4s forwards;
}

.hero-particles__accents-row:nth-child(1) { top: 6em; }
.hero-particles__accents-row:nth-child(2) { top: 11em; }
.hero-particles__accents-row:nth-child(3) { top: 16em; }
.hero-particles__accents-row:nth-child(4) { top: 24em; }
.hero-particles__accents-row:nth-child(5) { top: 29em; }

.hero-particles__accents-col {
  position: absolute;
  top: 0;
  margin: auto;
  width: 1px;
  height: 100%;
  background: rgba(186, 215, 247, .18);
  opacity: 0;
  transform: scale(0);
  animation: accentload 0.8s ease-out 0.3s forwards;
}

.hero-particles__accents-col:nth-child(6) { left: 24em; }
.hero-particles__accents-col:nth-child(7) { left: 34em; }
.hero-particles__accents-col:nth-child(8) { right: 24em; }
.hero-particles__accents-col:nth-child(9) { right: 34em; }

.hero-particles__copy {
  position: relative;
  z-index: 2;
  max-width: 42em;
  margin-inline: auto;
  padding-inline: clamp(20px, 4.5vw, 48px);
  min-width: 0;
  text-align: center;
  opacity: 0;
  animation: load 0.8s ease-in-out .15s forwards;
}

.hero-particles__title {
  display: grid;
  place-items: center;
  margin: 0 0 .28em;
}

.hero-particles__title-main,
.hero-particles__title-glow {
  grid-area: 1 / 1;
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 6vw + 2rem, 6.4em);
  font-weight: 700;
  letter-spacing: 0.06em;
  white-space: nowrap;
  line-height: 1;
}

.hero-particles__title-main {
  color: #9dc3f7;
  background:
    radial-gradient(2em 2em at 50% 50%,
      transparent calc(var(--p, 0%) - 2em),
      #fff calc(var(--p, 0%) - 1em),
      #fff calc(var(--p, 0%) - 0.4em),
      transparent var(--p, 0%)
    ),
    linear-gradient(0deg, #bad1f1 30%, #9dc3f7 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 2px 16px rgba(174, 207, 242, .24);
  transition: --p 3s linear;
  animation: pulse 10s linear 0.3s infinite;
}

.hero-particles__title-glow {
  background:
    radial-gradient(2em 2em at 50% 50%,
      transparent calc(var(--p, 0%) - 2em),
      transparent calc(var(--p, 0%) - 1em),
      #fff calc(var(--p, 0%) - 1em),
      #fff calc(var(--p, 0%) - 0.4em),
      transparent calc(var(--p, 0%) - 0.4em),
      transparent var(--p, 0%)
    );
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: blur(16px) opacity(0.4);
}

.hero-particles__lede {
  font-size: 1.3em;
  color: #d8ecf8;
  background: linear-gradient(0deg, #d8ecf8 0, #98c0ef 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin: 0 0 1.7em;
  opacity: 0;
  transform: translateY(1em);
  animation: load 0.8s ease-out .5s forwards, up 0.8s ease-out .5s forwards;
}

.hero-particles__actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.875rem;
  font-size: 1rem;
  opacity: 0;
  transform: translateY(1em);
  animation: load 0.8s ease-out .65s forwards, up 0.8s ease-out .65s forwards;
}

.hero-particles__actions .btn-solid:hover {
  box-shadow: 0 0 0 1px rgba(157, 195, 247, .45), 0 8px 32px rgba(31, 59, 105, .55), 0 0 40px rgba(157, 195, 247, .25);
}

.hero-particles__actions .btn-line {
  border-color: rgba(216, 236, 248, .5);
  color: #d8ecf8;
}

.hero-particles__actions .btn-line::before { background: #d8ecf8; }
.hero-particles__actions .btn-line:hover { color: #05060f; }

.hero-particles__actions .btn-line:hover {
  background: #d8ecf8;
  color: #05060f;
}

@keyframes load {
  0% { opacity: 0; }
  100% { opacity: 1; }
}

@keyframes up {
  100% { transform: translateY(0); }
}

@keyframes pulse {
  0% { --p: 0%; }
  15% { --p: 300%; }
  100% { --p: 300%; }
}

@keyframes spotlight {
  0% { transform: rotateZ(0deg) scale(1); filter: blur(15px) opacity(0.5); }
  20% { transform: rotateZ(-1deg) scale(1.2); filter: blur(16px) opacity(0.6); }
  40% { transform: rotateZ(2deg) scale(1.3); filter: blur(14px) opacity(0.4); }
  60% { transform: rotateZ(-2deg) scale(1.2); filter: blur(15px) opacity(0.6); }
  80% { transform: rotateZ(1deg) scale(1.1); filter: blur(13px) opacity(0.4); }
  100% { transform: rotateZ(0deg) scale(1); filter: blur(15px) opacity(0.5); }
}

@keyframes loadrot {
  0% { transform: rotate(0deg) scale(0); }
  100% { transform: scale(1); }
}

@keyframes accentload {
  0% { opacity: 0; transform: scale(0); }
  100% { opacity: 1; transform: scale(1); }
}

@media (prefers-reduced-motion: reduce) {
  .hero-particles__spotlight span,
  .hero-particles__accents-row,
  .hero-particles__accents-col,
  .hero-particles__copy,
  .hero-particles__title-main,
  .hero-particles__lede,
  .hero-particles__actions {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
  .hero-particles__title-main { --p: 300%; }
}

@media (max-width: 640px) {
  .hero-particles { height: clamp(520px, 100vh, 720px); }
}

/* ---------- Marcos de imagen ---------- */

.shot {
  border: 1px solid var(--line);
  background: var(--paper-2);
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: top;
}

.close .shot { border-color: var(--line-dark); }

/* Miniaturas de proyecto: zoom + chip "Abrir" al hover, sin tocar el HTML */
a:has(> .shot) {
  position: relative;
  display: block;
  overflow: hidden;
}

a:has(> .shot) .shot { transition: transform 0.7s var(--ease); }

a:has(> .shot)::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(5, 6, 15, 0.6) 100%);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
  pointer-events: none;
}

a:has(> .shot)::after {
  content: "Abrir ↗";
  position: absolute;
  right: 1.25rem;
  bottom: 1.25rem;
  display: inline-flex;
  align-items: center;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  box-shadow: 0 6px 20px -6px rgba(var(--accent-glow), 0.7);
  opacity: 0;
  transform: translateY(0.5rem);
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease);
  pointer-events: none;
}

@media (hover: hover) and (pointer: fine) {
  a:has(> .shot):hover .shot { transform: scale(1.045); }
  a:has(> .shot):hover::before,
  a:has(> .shot):hover::after { opacity: 1; transform: none; }
}

a:has(> .shot):focus-visible {
  outline: 2px solid var(--accent-text);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  a:has(> .shot) .shot,
  a:has(> .shot)::before,
  a:has(> .shot)::after { transition: none; }
}

/* ---------- Secciones ---------- */

.section { padding: clamp(3.5rem, 9vh, 6.5rem) 0; }

.section-tint { background: var(--paper-2); }

.section-head { margin-bottom: clamp(2rem, 5vh, 3.5rem); max-width: 38em; }
.section-head .lede { margin-top: 1rem; }

/* Filas de servicios */

.rows { border-top: 1px solid var(--line); }

.row {
  display: grid;
  grid-template-columns: 4.5rem 1fr 1.4fr auto;
  gap: clamp(1rem, 3vw, 2.5rem);
  align-items: baseline;
  padding: clamp(1.5rem, 3.5vh, 2.25rem) 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  transition: background-color 0.25s var(--ease);
}

a.row:hover { background: var(--paper-2); }

.row-num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--accent-text);
}

.row p { color: var(--muted); font-size: 1rem; }

.row-go {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--ink);
  justify-self: end;
}

@media (max-width: 860px) {
  .row { grid-template-columns: 1fr; gap: 0.5rem; }
  .row-num { font-size: 0.875rem; }
  .row-go { justify-self: start; }
}

/* Proyecto destacado */

.feature-media { margin-bottom: 2rem; }

.feature-body {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: start;
}

.feature-body p { color: var(--muted); }

.feature-aside { display: grid; gap: 1rem; justify-items: start; }

@media (max-width: 860px) {
  .feature-body { grid-template-columns: 1fr; }
}

/* Métricas */

.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
}

.metric strong {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.25rem, 4.5vw, 3.5rem);
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.metric span { color: var(--muted); font-size: 0.9375rem; }

@media (max-width: 860px) {
  .metrics { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- Proyectos ---------- */

.project { padding: clamp(3rem, 8vh, 5.5rem) 0; border-top: 1px solid var(--line); }
.project:first-of-type { border-top: none; }

.project-split {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.project-split.flip { grid-template-columns: 0.85fr 1.15fr; }
.project-split.flip .project-copy { order: -1; }

.project-type {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-text);
  display: block;
  margin-bottom: 0.875rem;
}

.project-copy h2, .project-copy h3 { margin-bottom: 1rem; }
.project-copy p { color: var(--muted); margin-bottom: 1.25rem; }

.project-facts { list-style: none; margin: 0 0 1.75rem; display: grid; gap: 0.625rem; }

.project-facts li {
  padding-left: 1.25rem;
  position: relative;
  font-size: 1rem;
  color: var(--ink-soft);
}

.project-facts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 0.5rem;
  height: 1px;
  background: var(--accent);
}

.project-note {
  border-left: 2px solid var(--accent);
  padding-left: 1rem;
  font-size: 0.9375rem;
  color: var(--ink-soft);
  margin-bottom: 1.5rem;
}

@media (max-width: 860px) {
  .project-split, .project-split.flip { grid-template-columns: 1fr; }
  .project-split.flip .project-copy { order: 0; }
}

.project-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 4vw, 3.5rem);
}

@media (max-width: 860px) {
  .project-pair { grid-template-columns: 1fr; }
}

.pair-card h3 { margin: 1.25rem 0 0.75rem; }
.pair-card p { color: var(--muted); margin-bottom: 1rem; }

/* ---------- Paquetes ---------- */

.tiers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  align-items: stretch;
}

.tier {
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-glass-lg);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  display: flex;
  flex-direction: column;
  background: var(--glass-bg);
}

.tier-hot { border-color: var(--accent); border-width: 2px; }

.tier-tag {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--accent-text);
  margin-bottom: 1rem;
}

.tier h3 { margin-bottom: 0.25rem; }

.tier-price {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 2.5vw, 1.875rem);
  letter-spacing: -0.02em;
  margin: 0.75rem 0 0.25rem;
}

.tier-scope { font-size: 0.875rem; color: var(--muted); margin-bottom: 1.5rem; }

.tier ul { list-style: none; display: grid; gap: 0.625rem; margin-bottom: 2rem; }

.tier li {
  padding-left: 1.25rem;
  position: relative;
  font-size: 0.9375rem;
  color: var(--ink-soft);
}

.tier li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 0.5rem;
  height: 1px;
  background: var(--accent);
}

.tier .btn { margin-top: auto; justify-content: center; }

@media (max-width: 960px) {
  .tiers { grid-template-columns: 1fr; }
}

/* ---------- Nosotros ---------- */

.team {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
}

.member { border-top: 2px solid var(--ink); padding-top: 1.5rem; }

.member-letter {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(3.5rem, 7vw, 5.5rem);
  line-height: 1;
  color: var(--accent-text);
  display: block;
  margin-bottom: 1rem;
}

.member h3 { margin-bottom: 0.25rem; }
.member .role { font-weight: 700; font-size: 0.9375rem; color: var(--ink-soft); display: block; margin-bottom: 0.75rem; }
.member p { color: var(--muted); font-size: 1rem; }

@media (max-width: 860px) {
  .team { grid-template-columns: 1fr; }
}

/* Pasos */

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
  counter-reset: paso;
}

.step { counter-increment: paso; }

.step::before {
  content: counter(paso, decimal-leading-zero);
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--accent-text);
  display: block;
  margin-bottom: 0.75rem;
}

.step h3 { font-size: 1.1875rem; margin-bottom: 0.5rem; }
.step p { color: var(--muted); font-size: 0.9375rem; }

@media (max-width: 860px) {
  .steps { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
  .steps { grid-template-columns: 1fr; }
}

/* ---------- Contacto ---------- */

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

@media (max-width: 860px) {
  .contact-grid { grid-template-columns: 1fr; }
}

.contact-tel {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  letter-spacing: -0.01em;
  text-decoration: none;
  display: inline-block;
  margin: 0.75rem 0 0.5rem;
}

.contact-tel:hover { color: var(--accent-text); }

.field { display: grid; gap: 0.5rem; margin-bottom: 1.5rem; }

.field label { font-weight: 700; font-size: 0.9375rem; }

.field input,
.field select,
.field textarea {
  font: inherit;
  color: var(--ink);
  background: var(--paper-2);
  border: 1px solid var(--line);
  padding: 0.8125rem 1rem;
  width: 100%;
  border-radius: var(--radius-glass-md);
  -webkit-appearance: none;
  appearance: none;
  transition: border-color 0.2s var(--ease);
}

.field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23e7eefb' stroke-width='1.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.75rem;
}

.field textarea { min-height: 8.5rem; resize: vertical; }

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 2px solid var(--accent-text);
  outline-offset: -1px;
  border-color: var(--accent-text);
}

.field .hint { font-size: 0.8125rem; color: var(--muted); }

.field .error-msg {
  display: none;
  font-size: 0.875rem;
  font-weight: 500;
  color: #ff8079;
}

.field.invalid input,
.field.invalid select,
.field.invalid textarea { border-color: #ff8079; }

.field.invalid .error-msg { display: block; }

.form-note { margin-top: 1rem; }

.form-ok {
  display: none;
  border-left: 2px solid var(--accent);
  padding-left: 1rem;
  margin-top: 1.5rem;
  color: var(--ink-soft);
}

.form-ok.show { display: block; }

/* ---------- Cotizador: arma tu proyecto ---------- */

.quoter {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(2rem, 4vw, 3.5rem);
  align-items: start;
  padding: clamp(1.5rem, 4vh, 2.5rem) 0 clamp(3rem, 8vh, 5rem);
}

@media (max-width: 960px) {
  .quoter { grid-template-columns: 1fr; }
}

.q-block { margin-bottom: 2.25rem; }
.q-block > h3 { margin-bottom: 1.125rem; }

.q-options { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }

@media (max-width: 560px) {
  .q-options { grid-template-columns: 1fr; }
}

.q-card {
  position: relative;
  display: block;
  overflow: hidden;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-glass-md);
  background: var(--glass-bg);
  padding: 1.125rem 1.25rem;
  cursor: pointer;
  transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease), transform 0.3s var(--ease);
}

.q-card input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.q-card .q-title {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.0625rem;
  margin-bottom: 0.25rem;
}

.q-card .q-desc {
  display: block;
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.5;
}

.q-card.checked {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 16%, var(--glass-bg-strong));
}

.q-card.checked .q-title { color: var(--accent-text); }

@media (hover: hover) and (pointer: fine) {
  .q-card::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.4s var(--ease);
    background: radial-gradient(16rem 16rem at var(--sx, 50%) var(--sy, 50%), rgba(var(--accent-glow), 0.12), transparent 70%);
  }
  .q-card:hover::after { opacity: 1; }
  .q-card:hover { transform: translateY(-2px); border-color: var(--accent); }
}

/* Panel especial "algo más grande" */
.q-big {
  border-left: 2px solid var(--accent);
  background: var(--paper-2);
  padding: 1.75rem;
  display: none;
}

.q-big.show { display: block; }
.q-big h3 { margin-bottom: 0.5rem; }
.q-big p { color: var(--muted); margin-bottom: 1.5rem; }
.q-big .q-big-actions { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; }

.q-big .tel {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.375rem;
  color: var(--ink);
  text-decoration: none;
}
.q-big .tel:hover { color: var(--accent-text); }

/* Robot 3D: flota sin marco sobre el fondo, recortado de la cintura para
   arriba, y se queda fijo mientras se recorre el bloque de opciones. */
.q-robot {
  position: sticky;
  top: 128px;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  pointer-events: none;
  /* Máscara, no una capa oscura encima: desvanece los pixeles del robot
     a transparente y se funde con el fondo sin pintar ningún marco. */
  -webkit-mask-image: linear-gradient(to bottom, #000 78%, transparent 98%);
  mask-image: linear-gradient(to bottom, #000 78%, transparent 98%);
}

.q-robot spline-viewer {
  position: absolute;
  left: 50%;
  top: -4%;
  transform: translateX(-50%);
  width: 100%;
  height: 124%;
}

@media (max-width: 960px) {
  .q-robot {
    /* relative, no static: el spline-viewer interno es absolute y sin un
       ancestro posicionado se ancla al viewport y tapa toda la página */
    position: relative;
    top: auto;
    width: auto;
    max-width: none;
    margin-inline: calc(-1 * clamp(20px, 4.5vw, 48px));
  }
}

/* Resumen: aparece hasta abajo, al terminar las opciones */
.q-summary {
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-glass-lg);
  background: var(--glass-bg-strong);
  padding: clamp(1.5rem, 3vw, 2rem);
  max-width: 26rem;
  margin: 0 0 0 auto;
}

.q-summary h3 { margin-bottom: 1.25rem; }

.q-summary-list { list-style: none; display: grid; gap: 0.625rem; margin-bottom: 1.5rem; }

.q-summary-list li {
  padding-left: 1.25rem;
  position: relative;
  font-size: 0.9375rem;
  color: var(--ink-soft);
}

.q-summary-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 0.5rem;
  height: 1px;
  background: var(--accent);
}

.q-summary-list li.q-empty { color: var(--muted); padding-left: 0; }
.q-summary-list li.q-empty::before { display: none; }

.q-price-label { font-size: 0.8125rem; color: var(--muted); }

.q-price {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.625rem, 3vw, 2rem);
  letter-spacing: -0.02em;
  margin: 0.125rem 0 1.5rem;
  color: var(--ink);
}

.q-summary .btn { width: 100%; }
.q-summary .small { margin-top: 0.875rem; }

@media (max-width: 960px) {
  .q-summary { max-width: none; margin-left: 0; }
}

/* ---------- Cierre oscuro + footer ---------- */

.close {
  background: #030408;
  color: var(--on-dark);
  padding-top: clamp(4rem, 10vh, 7rem);
}

.close-cta { padding-bottom: clamp(3.5rem, 9vh, 6rem); }

.close-cta h2 {
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  letter-spacing: -0.025em;
  max-width: 14em;
  margin-bottom: 1rem;
}

.close-cta p { color: var(--on-dark-muted); max-width: 32em; margin-bottom: 2rem; }

.close-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1.25rem; }

.close-tel {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1875rem;
  color: var(--on-dark);
  text-decoration: none;
}

.close-tel:hover { color: #fff; text-decoration: underline; }

.site-foot { border-top: 1px solid var(--line-dark); padding: 3rem 0 2.5rem; }

.foot-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.foot-brand .brand { color: var(--on-dark); }
.foot-brand .brand span { color: var(--on-dark-muted); }
.foot-brand p { color: var(--on-dark-muted); font-size: 0.9375rem; margin-top: 1rem; max-width: 22em; }

.foot-col h4 {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--on-dark-muted);
  margin-bottom: 1rem;
}

.foot-col ul { list-style: none; display: grid; gap: 0.625rem; }

.foot-col a {
  color: var(--on-dark);
  text-decoration: none;
  font-size: 0.9375rem;
}

.foot-col a:hover { text-decoration: underline; }

.foot-legal {
  border-top: 1px solid var(--line-dark);
  padding-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.8125rem;
  color: var(--on-dark-muted);
}

@media (max-width: 860px) {
  .foot-grid { grid-template-columns: 1fr 1fr; }
}

/* ---------- Animación de entrada ---------- */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  transition-delay: var(--d, 0s);
}

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn, .nav, .site-head { transition: none; }
}

/* ---------- Paquetes: entrada con resorte, brillo y badge ---------- */

.tier {
  --ty-reveal: 18px;
  --ty-base: 0px;
  --ty-hover: 0px;
  --scale: 1;
  opacity: 0;
  transform: translateY(calc(var(--ty-reveal) + var(--ty-base) + var(--ty-hover))) scale(var(--scale));
  transition: opacity 0.8s cubic-bezier(0.34, 1.56, 0.64, 1),
    transform 0.8s cubic-bezier(0.34, 1.56, 0.64, 1),
    box-shadow 0.3s var(--ease);
  transition-delay: var(--d, 0s);
}

.tier.in { opacity: 1; --ty-reveal: 0px; }

.tier-hot { box-shadow: 0 20px 48px -24px rgba(var(--accent-glow), 0.55); }

@media (min-width: 961px) {
  .tier-hot.in { --ty-base: -10px; --scale: 1.02; }
  .tier.in:not(.tier-hot) { --scale: 0.97; }
}

@media (hover: hover) and (pointer: fine) {
  .tier:hover { --ty-hover: -6px; }

  .tier::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 0;
    border-radius: inherit;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.4s var(--ease);
    background: radial-gradient(16rem 16rem at var(--sx, 50%) var(--sy, 50%), rgba(var(--accent-glow), 0.14), transparent 70%);
  }

  .tier:hover::after { opacity: 1; }
}

.tier-badge {
  position: absolute;
  top: 0;
  right: 1.5rem;
  z-index: 1;
  transform: translateY(-50%);
  display: inline-flex;
  align-items: center;
  gap: 0.35em;
  background: var(--accent);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  box-shadow: 0 6px 20px -6px rgba(var(--accent-glow), 0.7);
}

.tier-badge svg { width: 0.8em; height: 0.8em; fill: currentColor; }

@media (prefers-reduced-motion: reduce) {
  .tier { transition: none; opacity: 1; transform: none; }
  .tier::after { display: none; }
}