/* ==========================================================================
   JOAD Core — estilos base y componentes (complementan a Tailwind)
   ========================================================================== */

:root {
  --ink: #0c0b10;
  --ink-2: #131218;
  --ink-3: #1a1921;
  --fg: #ededf0;
  --muted: #a3a1ad;
  --subtle: #6f6d79;
  --accent: #8f74e8;
  --accent-soft: #b9a9f0;
  --line: rgba(255, 255, 255, 0.08);

  /* Curvas (Emil Kowalski) */
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
  background-color: var(--ink);
  color: var(--fg);
  -webkit-tap-highlight-color: transparent;
}

body { margin: 0; overscroll-behavior-y: none; }

/* Grano sutil para romper lo plano del fondo */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 70;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

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

:focus-visible {
  outline: 2px solid var(--accent-soft);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ---------- Tipografía ---------- */
.display {
  line-height: 1.02;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

.section { padding-block: 6rem 7rem; }
@media (min-width: 1024px) { .section { padding-block: 8rem 9rem; } }

.section-title {
  font-size: clamp(2rem, 4.2vw, 3.25rem);
  font-weight: 600;
  line-height: 1.06;
  letter-spacing: -0.03em;
  text-wrap: balance;
  color: var(--fg);
}

.section-lead {
  margin-top: 1.25rem;
  max-width: 34rem;
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--muted);
}

p { text-wrap: pretty; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  height: 3.25rem;
  padding-inline: 1.75rem;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 0.9375rem;
  letter-spacing: -0.005em;
  transition:
    background-color 200ms ease,
    color 200ms ease,
    transform 160ms var(--ease-out);
}
.btn:active { transform: scale(0.97); }
.btn-sm { height: 2.5rem; padding-inline: 1.125rem; font-size: 0.875rem; }

.btn-primary { background: var(--fg); color: var(--ink); }
@media (hover: hover) and (pointer: fine) {
  .btn-primary:hover { background: #ffffff; }
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 2.75rem;
  font-size: 0.9375rem;
  color: var(--muted);
  transition: color 200ms ease;
}
.link-arrow svg { transition: transform 200ms var(--ease-out); }
@media (hover: hover) and (pointer: fine) {
  .link-arrow:hover { color: var(--fg); }
  .link-arrow:hover svg { transform: translateX(3px); }
}

/* ---------- Navegación ---------- */
.nav-bar {
  pointer-events: auto;
  background: rgba(19, 18, 24, 0.72);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border: 1px solid var(--line);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05), 0 12px 32px -12px rgba(6, 4, 14, 0.8);
}

.nav-link {
  position: relative;
  padding: 0.5rem 0.9rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  color: var(--muted);
  transition: color 200ms ease, background-color 200ms ease;
}
.nav-link:hover { color: var(--fg); }
.nav-link[aria-current="true"] { color: var(--fg); background: rgba(255, 255, 255, 0.06); }

/* Menú móvil: sale desde el botón (arriba a la derecha).
   Va fuera del flujo para que, cerrado, no ocupe espacio dentro de la
   cabecera fija ni bloquee los toques sobre el contenido de abajo. */
.mobile-menu {
  position: absolute;
  top: 100%;
  left: 1rem;
  right: 1rem;
  margin-top: 0.5rem;
  padding: 0.5rem;
  border-radius: 1.5rem;
  background: rgba(19, 18, 24, 0.94);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--line);
  transform-origin: top right;
  opacity: 0;
  transform: scale(0.96) translateY(-4px);
  visibility: hidden;
  transition:
    opacity 200ms var(--ease-out),
    transform 200ms var(--ease-out),
    visibility 0s linear 200ms;
}
.mobile-menu[data-open] {
  pointer-events: auto;
  opacity: 1;
  transform: none;
  visibility: visible;
  transition:
    opacity 200ms var(--ease-out),
    transform 200ms var(--ease-out),
    visibility 0s;
}

.mobile-link {
  display: block;
  padding: 0.875rem 1rem;
  border-radius: 1rem;
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--fg);
  transition: background-color 200ms ease;
}
.mobile-link:active { background: rgba(255, 255, 255, 0.06); }

.footer-link { color: var(--muted); transition: color 200ms ease; }
.footer-link:hover { color: var(--fg); }

/* ---------- Hero ---------- */
.hero-fallback {
  background:
    radial-gradient(55% 60% at 72% 40%, rgba(78, 42, 205, 0.35) 0%, rgba(78, 42, 205, 0.08) 50%, transparent 75%),
    var(--ink);
}

/* ---------- Superficies ---------- */
.surface-card {
  background: var(--ink-2);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04), 0 30px 60px -30px rgba(6, 4, 14, 0.9);
}

/* ---------- Servicios ---------- */
.tab-list {
  display: flex;
  gap: 0.25rem;
  overflow-x: auto;
  scrollbar-width: none;
  margin-inline: -0.25rem;
  padding: 0.25rem;
  scroll-snap-type: x proximity;
}
.tab-list::-webkit-scrollbar { display: none; }

.service-tab {
  position: relative;
  flex-shrink: 0;
  scroll-snap-align: start;
  min-height: 2.75rem;
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--muted);
  white-space: nowrap;
  transition: color 200ms ease, background-color 200ms ease;
}
.service-tab:hover { color: var(--fg); }
.service-tab[aria-selected="true"] { color: var(--ink); background: var(--fg); }

@media (min-width: 1024px) {
  .tab-list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    margin: 0;
    padding: 0;
    border-top: 1px solid var(--line);
  }
  .service-tab {
    text-align: left;
    padding: 1.1rem 0 1.1rem 1.5rem;
    border-radius: 0;
    border-bottom: 1px solid var(--line);
    font-size: 1.375rem;
    letter-spacing: -0.02em;
  }
  .service-tab[aria-selected="true"] { background: none; color: var(--fg); }
  /* Indicador: barra a la izquierda que crece desde el centro */
  .service-tab::before {
    content: "";
    position: absolute;
    left: 0;
    top: 1.1rem;
    bottom: 1.1rem;
    width: 2px;
    border-radius: 2px;
    background: var(--accent);
    transform: scaleY(0);
    transition: transform 250ms var(--ease-out);
  }
  .service-tab[aria-selected="true"]::before { transform: scaleY(1); }
}

/* ---------- Proyectos ---------- */
.project-card {
  border-radius: 28px;
  background: var(--ink-2);
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
}
.project-stage {
  flex: 1;
  min-height: 17rem;
  border-radius: 20px;
  background:
    radial-gradient(80% 70% at 50% 100%, rgba(78, 42, 205, 0.16), transparent 70%),
    #0f0e14;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.25rem;
  overflow: hidden;
}
@media (min-width: 1024px) { .project-stage { min-height: 20rem; } }

.project-meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 0.75rem 0.5rem;
}
.project-meta h3 { font-size: 1.0625rem; font-weight: 600; letter-spacing: -0.015em; color: var(--fg); }
.project-meta p { font-size: 0.8125rem; color: var(--subtle); font-family: "Geist Mono", monospace; white-space: nowrap; }

.mock-window {
  border-radius: 12px;
  background: #16151c;
  border: 1px solid rgba(255, 255, 255, 0.09);
  box-shadow: 0 24px 48px -20px rgba(4, 2, 12, 0.9);
  color: var(--muted);
}
.mock-bar { display: flex; gap: 5px; padding: 9px 10px; border-bottom: 1px solid rgba(255, 255, 255, 0.06); }
.mock-bar span { width: 7px; height: 7px; border-radius: 9999px; background: rgba(255, 255, 255, 0.14); }
.mock-tile { border-radius: 7px; background: rgba(255, 255, 255, 0.035); padding: 7px; }
.mock-col { flex: 1; border-radius: 3px 3px 1px 1px; background: rgba(185, 169, 240, 0.22); }
.mock-col.is-hi { background: var(--accent); }

.mock-phone {
  width: 11.5rem;
  height: 19rem;
  border-radius: 2rem;
  padding: 0.85rem 0.85rem 1rem;
  background: #16151c;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 24px 48px -20px rgba(4, 2, 12, 0.9);
  display: flex;
  flex-direction: column;
  color: var(--muted);
}
.mock-row {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.45rem 0.55rem;
  border-radius: 0.5rem;
  background: rgba(255, 255, 255, 0.035);
}

/* ---------- Proceso ---------- */
.step { border-top: 1px solid var(--line); padding-top: 1.5rem; }
.step-num { font-family: "Geist Mono", monospace; font-size: 0.8125rem; color: var(--accent-soft); }
.step h3 { margin-top: 2.5rem; font-size: 1.25rem; font-weight: 600; letter-spacing: -0.02em; color: var(--fg); }
.step p { margin-top: 0.6rem; font-size: 0.9375rem; line-height: 1.6; color: var(--muted); }

/* ---------- Beneficios ---------- */
.benefits { border-top: 1px solid var(--line); }
.benefits li {
  display: grid;
  gap: 0.4rem;
  padding: 1.6rem 0;
  border-bottom: 1px solid var(--line);
}
@media (min-width: 640px) {
  .benefits li { grid-template-columns: 16rem 1fr; gap: 2rem; }
}
.benefits h3 { font-size: 1.0625rem; font-weight: 600; letter-spacing: -0.015em; color: var(--fg); }
.benefits p { font-size: 0.9375rem; line-height: 1.6; color: var(--muted); }

/* ---------- Contacto ---------- */
.contact-row {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  min-height: 4rem;
  border-bottom: 1px solid var(--line);
  color: var(--fg);
}
.contact-row svg { flex-shrink: 0; }

.field { display: flex; flex-direction: column; gap: 0.5rem; }
.field label { font-size: 0.875rem; font-weight: 500; color: var(--fg); }
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  border-radius: 0.875rem;
  background-color: var(--ink);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--fg);
  font-size: 1rem; /* 16px evita el zoom automático en iOS */
  transition: border-color 200ms ease, box-shadow 200ms ease;
}
.field select {
  appearance: none;
  padding-right: 2.5rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='none' stroke='%23a3a1ad' stroke-width='1.75' stroke-linecap='round' stroke-linejoin='round' d='m7 10 5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.85rem center;
  background-size: 1.1rem;
}
.field textarea { resize: none; }
.field input::placeholder,
.field textarea::placeholder { color: var(--subtle); }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(143, 116, 232, 0.2);
}
.field [aria-invalid="true"] { border-color: #f2a39b; }
.field-error { font-size: 0.8125rem; color: #f2a39b; }
.field-error:empty { display: none; }
@media (min-width: 640px) {
  .mobile-menu { left: 1.5rem; right: 1.5rem; }
}
@media (min-width: 640px) {
  .field input, .field select, .field textarea { font-size: 0.9375rem; }
}

.wa-float {
  background: var(--ink-3);
  border: 1px solid var(--line);
  box-shadow: 0 16px 32px -12px rgba(4, 2, 12, 0.9);
  transition: transform 160ms var(--ease-out);
}
.wa-float:active { transform: scale(0.94); }

/* ---------- Entrada al hacer scroll (js/motion.js) ---------- */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition:
    opacity 700ms var(--ease-out) var(--delay, 0ms),
    transform 700ms var(--ease-out) var(--delay, 0ms);
}
.js [data-reveal].is-visible { opacity: 1; transform: none; }
.js [data-reveal].reveal-done { transition: none; }

/* ---------- Interacciones que siguen al cursor (js/motion.js) ---------- */
[data-tilt] { position: relative; }

/* Borde que se ilumina bajo el cursor */
[data-tilt]::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  pointer-events: none;
  background: radial-gradient(260px circle at var(--mx, 50%) var(--my, 50%), rgba(185, 169, 240, 0.55), transparent 70%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box exclude, linear-gradient(#000 0 0);
  opacity: 0;
  transition: opacity 300ms ease;
}
[data-tilt].is-tracking::after { opacity: 1; }

/* ---------- Accesibilidad ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  /* Menos movimiento, no cero: se conservan los fundidos */
  .js [data-reveal] { transform: none; transition: opacity 300ms ease; }
  .mobile-menu, .mobile-menu[data-open] { transform: none; }
  .btn:active, .wa-float:active { transform: none; }
  .service-tab::before { transition: none; }
}

@media (prefers-reduced-transparency: reduce) {
  .nav-bar, .mobile-menu { background: var(--ink-2); backdrop-filter: none; -webkit-backdrop-filter: none; }
}