:root {
  --bg: #050505;
  --surface: rgba(255, 255, 255, 0.045);
  --surface-2: rgba(255, 255, 255, 0.07);
  --ink: #f5f7f8;
  --ink-dim: #9aa7b0;
  --accent: #2dd8f0;
  --accent-soft: rgba(45, 216, 240, 0.16);
  --line: rgba(255, 255, 255, 0.1);
  --line-soft: rgba(255, 255, 255, 0.06);
  --radius-outer: 2rem;
  --radius-inner: calc(2rem - 0.4rem);
  --max: 1240px;
  --ease-spring: cubic-bezier(0.32, 0.72, 0, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Manrope', sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

.envoltorio { max-width: var(--max); margin: 0 auto; padding-inline: clamp(20px, 5vw, 48px); position: relative; z-index: 1; }

/* ---------- fondo ambiental ---------- */

.fondo-orbes {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.orbe {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.28;
}

.orbe-a {
  width: 620px;
  height: 620px;
  top: -220px;
  left: -160px;
  background: radial-gradient(circle, var(--accent), transparent 70%);
}

.orbe-b {
  width: 520px;
  height: 520px;
  top: 40vh;
  right: -200px;
  background: radial-gradient(circle, #6d7cff, transparent 70%);
  opacity: 0.16;
}

.fondo-grano {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- glass / doble-bisel ---------- */

.vidrio-externo {
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid var(--line);
  border-radius: var(--radius-outer);
  padding: 6px;
}

.vidrio-interno {
  background: var(--surface);
  border-radius: var(--radius-inner);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  position: relative;
  overflow: hidden;
}

.etiqueta-vidrio {
  display: inline-flex;
  align-items: center;
  padding: 7px 16px;
  border-radius: 999px;
  background: var(--accent-soft);
  border: 1px solid rgba(45, 216, 240, 0.28);
  color: var(--accent);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

/* ---------- nav flotante ---------- */

.nav-isla {
  position: sticky;
  top: 20px;
  z-index: 50;
  display: flex;
  justify-content: center;
  padding-inline: clamp(16px, 4vw, 40px);
}

.nav-pill {
  width: 100%;
  max-width: 1080px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 10px 12px 10px 26px;
  border-radius: 999px;
  background: rgba(10, 10, 12, 0.55);
  backdrop-filter: blur(28px) saturate(160%);
  -webkit-backdrop-filter: blur(28px) saturate(160%);
  border: 1px solid var(--line);
  box-shadow: 0 20px 50px -24px rgba(0, 0, 0, 0.7);
}

.nav-marca { display: flex; align-items: center; text-decoration: none; }

.marca-texto {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--ink);
}

.marca-texto em { font-style: normal; color: var(--accent); }

.nav-links {
  display: none;
  align-items: center;
  gap: 30px;
  list-style: none;
  margin: 0;
  padding: 0;
}

@media (min-width: 900px) { .nav-links { display: flex; } }

.nav-links a { color: var(--ink-dim); text-decoration: none; font-size: 14px; transition: color 0.2s var(--ease-spring); }
.nav-links a:hover { color: var(--accent); }

.nav-derecha { display: flex; align-items: center; gap: 10px; }

.nav-cta { display: none; }
@media (min-width: 900px) { .nav-cta { display: inline-flex; } }

.nav-burger {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: transparent;
  cursor: pointer;
}

@media (min-width: 900px) { .nav-burger { display: none; } }

.nav-burger span {
  width: 16px;
  height: 1.5px;
  background: var(--ink);
  transition: transform 0.4s var(--ease-spring), opacity 0.3s ease;
}

.nav-burger.activo span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-burger.activo span:nth-child(2) { opacity: 0; }
.nav-burger.activo span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 45;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(3, 3, 4, 0.86);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s var(--ease-spring);
}

.nav-overlay.abierto { opacity: 1; pointer-events: auto; }

.nav-overlay-links { list-style: none; margin: 0; padding: 0; text-align: center; }

.nav-overlay-links li { margin-block: 18px; }

.nav-overlay-links a {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.6rem, 6vw, 2.4rem);
  color: var(--ink);
  text-decoration: none;
  opacity: 0;
  transform: translateY(24px);
  display: inline-block;
  transition: opacity 0.5s var(--ease-spring), transform 0.5s var(--ease-spring), color 0.2s ease;
}

.nav-overlay.abierto .nav-overlay-links a { opacity: 1; transform: translateY(0); }
.nav-overlay.abierto .nav-overlay-links li:nth-child(1) a { transition-delay: 0.05s; }
.nav-overlay.abierto .nav-overlay-links li:nth-child(2) a { transition-delay: 0.12s; }
.nav-overlay.abierto .nav-overlay-links li:nth-child(3) a { transition-delay: 0.19s; }
.nav-overlay.abierto .nav-overlay-links li:nth-child(4) a { transition-delay: 0.26s; }

.nav-overlay-links a:hover { color: var(--accent); }

.idiomas {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 999px;
}

.idioma-boton {
  border: none;
  background: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  font-size: 15px;
  line-height: 1;
  border-radius: 50%;
  cursor: pointer;
  opacity: 0.4;
  filter: grayscale(60%);
  transition: opacity 0.18s ease, filter 0.18s ease, background 0.18s ease;
}

.idioma-boton:hover { opacity: 0.85; filter: grayscale(0%); }
.idioma-boton.activo { opacity: 1; filter: grayscale(0%); background: var(--accent-soft); }

/* ---------- botones ---------- */

.boton {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 24px;
  border-radius: 999px;
  font-size: 14.5px;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  transition: transform 0.5s var(--ease-spring), box-shadow 0.3s ease, background 0.3s ease, border-color 0.3s ease;
}

.boton-primario {
  background: var(--accent);
  color: #041016;
  box-shadow: 0 16px 40px -16px rgba(45, 216, 240, 0.55);
}

.boton-primario:hover { background: #58e4f6; }
.boton-primario:active { transform: scale(0.97) !important; }

.boton-con-icono { padding-right: 8px; }

.boton-icono {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(4, 16, 22, 0.14);
  font-size: 14px;
}

.boton-secundario {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}

.boton-secundario:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- hero ---------- */

.hero { position: relative; padding-top: clamp(56px, 9vw, 96px); padding-bottom: clamp(64px, 10vw, 112px); }

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 56px;
  align-items: center;
}

@media (min-width: 980px) {
  .hero-grid { grid-template-columns: 1fr 0.92fr; gap: 40px; }
}

.hero-texto { max-width: 560px; }

.hero-texto h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2.4rem, 5.4vw, 3.7rem);
  line-height: 1.1;
  letter-spacing: -0.015em;
  font-weight: 600;
  margin: 0 0 22px;
}

.hero-texto h1 em { font-style: normal; color: var(--accent); }

.hero-sub { font-size: 1.08rem; line-height: 1.65; color: var(--ink-dim); max-width: 46ch; margin: 0 0 32px; }

.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-visual-stack {
  position: relative;
  min-height: 420px;
}

@media (min-width: 980px) { .hero-visual-stack { min-height: 560px; } }

.hv-carta { position: absolute; }

.hv-carta-fondo {
  width: 62%;
  top: 6%;
  right: 0;
  transform: rotate(4deg);
  z-index: 1;
}

.hv-carta-frente {
  width: 68%;
  bottom: 0;
  left: 0;
  transform: rotate(-3deg);
  z-index: 2;
}

.hv-carta .vidrio-interno { aspect-ratio: 4 / 5; }
.hv-carta img { width: 100%; height: 100%; object-fit: cover; filter: saturate(0.92) brightness(0.86) contrast(1.05); }

.hv-metrica {
  position: absolute;
  right: 4%;
  bottom: 6%;
  z-index: 3;
  width: 168px;
}

.hv-metrica-interno { padding: 18px 20px; display: flex; flex-direction: column; gap: 4px; }

.hv-metrica-num { font-family: 'JetBrains Mono', monospace; font-size: 1.6rem; color: var(--accent); font-weight: 500; }
.hv-metrica-label { font-size: 12px; color: var(--ink-dim); line-height: 1.4; }

@media (max-width: 640px) {
  .hero-visual-stack { min-height: 380px; }
  .hv-carta-fondo { width: 58%; top: 0; }
  .hv-carta-frente { width: 62%; bottom: 0; }
  .hv-metrica { width: 140px; right: 2%; bottom: 2%; }
}

/* ---------- reveal ---------- */

.revela { opacity: 1; }

/* ---------- sections ---------- */

section { padding-block: clamp(64px, 10vw, 128px); position: relative; }

.seccion-cabecera { max-width: 640px; margin-bottom: 48px; }

.seccion-cabecera h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.8rem, 3.6vw, 2.5rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 14px;
}

.seccion-cabecera p { color: var(--ink-dim); font-size: 1.04rem; line-height: 1.65; margin: 0; max-width: 52ch; }

/* flota bento */

.flota-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 880px) {
  .flota-grid { grid-template-columns: 1.3fr 1fr; grid-template-rows: repeat(2, 1fr); }
  .flota-destacada { grid-row: span 2; }
}

.flota-tarjeta .vidrio-interno { aspect-ratio: 4 / 3; }
.flota-destacada .vidrio-interno { aspect-ratio: auto; min-height: 440px; }

.flota-tarjeta img {
  width: 100%; height: 100%; object-fit: cover;
  filter: saturate(0.9) brightness(0.8);
  transition: transform 0.7s var(--ease-spring), filter 0.4s ease;
}

.flota-tarjeta:hover img { transform: scale(1.05); filter: saturate(1) brightness(0.88); }

.flota-etiqueta {
  position: absolute;
  left: 20px;
  bottom: 20px;
  color: var(--ink);
  font-weight: 500;
  font-size: 1.02rem;
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.7);
}

.flota-tarjeta .vidrio-interno::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(2, 3, 4, 0.75), transparent 55%);
  pointer-events: none;
}

/* servicios feature */

.feature-interno {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 10px;
}

@media (min-width: 920px) {
  .feature-interno { grid-template-columns: 1fr 1fr; align-items: center; gap: 0; padding: 18px; }
}

.feature-texto { padding: clamp(24px, 4vw, 42px); }

.feature-texto h2 { font-family: 'Space Grotesk', sans-serif; font-size: clamp(1.8rem, 3.2vw, 2.3rem); font-weight: 600; letter-spacing: -0.01em; margin: 0 0 14px; }
.feature-texto p { color: var(--ink-dim); font-size: 1.03rem; line-height: 1.65; max-width: 44ch; margin: 0 0 26px; }

.feature-visual { border-radius: var(--radius-inner); overflow: hidden; aspect-ratio: 4 / 3.3; }
.feature-visual img { width: 100%; height: 100%; object-fit: cover; filter: saturate(0.9) brightness(0.82); }

/* pasos */

.pasos-grid { display: grid; grid-template-columns: 1fr; gap: 18px; }

@media (min-width: 780px) { .pasos-grid { grid-template-columns: repeat(3, 1fr); } }

.paso .vidrio-interno { padding: 30px 26px; height: 100%; transition: background 0.3s ease; }
.paso:hover .vidrio-interno { background: var(--surface-2); }

.paso-numero {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--accent-soft);
  border: 1px solid rgba(45, 216, 240, 0.3);
  margin-bottom: 20px;
}

.paso h3 { font-family: 'Space Grotesk', sans-serif; font-size: 1.15rem; font-weight: 600; margin: 0 0 8px; }
.paso p { color: var(--ink-dim); font-size: 0.98rem; line-height: 1.6; margin: 0; }

/* cta final */

.cta-interno { text-align: center; max-width: 680px; margin: 0 auto; padding: clamp(40px, 7vw, 72px) clamp(24px, 5vw, 48px); }

.cta-interno h2 { font-family: 'Space Grotesk', sans-serif; font-size: clamp(1.9rem, 4.2vw, 2.7rem); font-weight: 600; letter-spacing: -0.01em; margin: 0 0 16px; }
.cta-interno p { color: var(--ink-dim); font-size: 1.06rem; margin: 0 0 30px; }
.cta-interno .hero-ctas { justify-content: center; }

/* footer */

footer { border-top: 1px solid var(--line-soft); padding-block: 44px; position: relative; z-index: 1; }

.footer-grid { display: flex; flex-direction: column; gap: 24px; }

@media (min-width: 760px) { .footer-grid { flex-direction: row; justify-content: space-between; align-items: center; } }

.footer-marca { display: flex; align-items: center; gap: 10px; color: var(--ink-dim); font-size: 14px; text-decoration: none; }
.footer-marca .marca-texto { font-size: 17px; }

.footer-links { display: flex; gap: 22px; list-style: none; margin: 0; padding: 0; flex-wrap: wrap; }
.footer-links a { color: var(--ink-dim); text-decoration: none; font-size: 14px; }
.footer-links a:hover { color: var(--accent); }

@media (prefers-reduced-motion: reduce) {
  .revela, .hv-carta, .hv-metrica { opacity: 1 !important; transform: none !important; filter: none !important; }
  .flota-tarjeta:hover img { transform: none; }
  .boton-primario, .boton-icono { transform: none !important; }
}