/* =========================================================
   QuilpuéFix — Design tokens
   Paleta: fondo casi negro azulado, acento celeste técnico
   y verde "circuito" para CTAs secundarias.
   Tipografía: JetBrains Mono (etiquetas/datos) + Manrope (cuerpo)
   ========================================================= */
:root {
  --bg: #0A0E14;
  --bg-alt: #0E141C;
  --surface: #121922;
  --surface-border: #212B38;
  --text: #EAF0F6;
  --text-dim: #8FA1B3;
  --accent: #4FD1C5;       /* celeste técnico */
  --accent-2: #7CE08C;     /* verde circuito */
  --accent-soft: rgba(79, 209, 197, 0.12);
  --danger: #FF7A7A;

  --font-display: 'JetBrains Mono', monospace;
  --font-body: 'Manrope', sans-serif;

  --radius: 14px;
  --radius-sm: 8px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; }
img { max-width: 100%; display: block; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

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

/* =================== Eyebrow / títulos =================== */
.eyebrow {
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 14px;
}

.section__title {
  font-family: var(--font-body);
  font-weight: 800;
  font-size: clamp(1.6rem, 3.2vw, 2.4rem);
  margin: 0 0 36px;
  max-width: 640px;
  letter-spacing: -0.01em;
}

.section { padding: 88px 0; }
.section--alt { background: var(--bg-alt); }

/* =================== Botones =================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 14px 26px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.2s ease, border-color 0.2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn--primary { background: var(--accent); color: #06131A; }
.btn--primary:hover { background: #6BDDD1; }
.btn--outline { border-color: var(--surface-border); color: var(--text); background: transparent; }
.btn--outline:hover { border-color: var(--accent); color: var(--accent); }
.btn--ghost { border-color: var(--surface-border); color: var(--text); background: transparent; padding: 10px 18px; font-size: 0.88rem; }
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn--block { width: 100%; }

/* =================== Header =================== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 14, 20, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--surface-border);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 20px;
}
.logo { display: flex; align-items: center; gap: 10px; font-family: var(--font-body); }
.logo__mark {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--accent);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-sm);
  padding: 4px 8px;
  font-size: 0.95rem;
}
.logo__dot { color: var(--accent-2); }
.logo__text { font-weight: 600; font-size: 1.05rem; }
.logo__text strong { color: var(--accent); }

.nav { display: flex; gap: 28px; }
.nav__link {
  font-size: 0.92rem;
  color: var(--text-dim);
  transition: color 0.2s ease;
  position: relative;
}
.nav__link:hover { color: var(--text); }

.header__cta { display: inline-flex; }

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 38px;
  height: 38px;
  background: transparent;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.hamburger span {
  display: block;
  height: 2px;
  width: 18px;
  margin: 0 auto;
  background: var(--text);
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 16px 20px 24px;
  border-top: 1px solid var(--surface-border);
  background: var(--bg);
}
.mobile-nav.is-open { display: flex; }
.mobile-nav__link {
  padding: 12px 4px;
  border-bottom: 1px solid var(--surface-border);
  color: var(--text-dim);
}
.mobile-nav__cta { margin-top: 14px; }

/* =================== Hero =================== */
.hero {
  position: relative;
  padding: 110px 0 90px;
  overflow: hidden;
}
.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--surface-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--surface-border) 1px, transparent 1px);
  background-size: 44px 44px;
  opacity: 0.18;
  mask-image: radial-gradient(ellipse 70% 60% at 30% 20%, black 0%, transparent 70%);
}
.hero__inner { position: relative; z-index: 1; max-width: 720px; }
.hero__title {
  font-size: clamp(2.1rem, 5.2vw, 3.6rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0 0 22px;
}
.hero__title--accent { color: var(--accent); }
.hero__subtitle {
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  color: var(--text);
  font-weight: 600;
  margin: 0 0 14px;
}
.hero__text {
  color: var(--text-dim);
  font-size: 1rem;
  max-width: 560px;
  margin: 0 0 36px;
}
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* =================== Cards: servicios =================== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.card:hover { border-color: var(--accent); transform: translateY(-2px); }
.card__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 1.2rem;
  margin-bottom: 18px;
}
.card__title { font-size: 1.08rem; font-weight: 700; margin: 0 0 10px; }
.card__text { color: var(--text-dim); font-size: 0.92rem; margin: 0; }
.card__note {
  margin-top: 14px;
  font-size: 0.8rem;
  color: var(--text-dim);
  font-family: var(--font-display);
  border-top: 1px dashed var(--surface-border);
  padding-top: 12px;
}

/* =================== Para quién trabajamos =================== */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
}
.audience-card {
  border-left: 2px solid var(--accent-2);
  padding: 6px 0 6px 18px;
}
.audience-card__tag {
  display: block;
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--accent-2);
  margin-bottom: 8px;
}
.audience-card p { color: var(--text-dim); font-size: 0.92rem; margin: 0; }

/* =================== Packs =================== */
.packs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 22px;
}
.pack-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
}
.pack-card--highlight { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent) inset; }
.pack-card__badge {
  position: absolute;
  top: -12px;
  right: 24px;
  background: var(--accent);
  color: #06131A;
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 999px;
}
.pack-card__title { font-size: 1.1rem; font-weight: 700; margin: 0 0 6px; }
.pack-card__desc { color: var(--text-dim); font-size: 0.88rem; margin: 0 0 18px; }
.pack-card__list {
  list-style: none;
  margin: 0 0 22px;
  display: flex;
  flex-direction: column;
  gap: 9px;
  flex-grow: 1;
}
.pack-card__list li {
  font-size: 0.88rem;
  color: var(--text);
  padding-left: 18px;
  position: relative;
}
.pack-card__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  background: var(--accent-2);
  border-radius: 50%;
}
.pack-card__price {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--accent);
  font-size: 1rem;
  margin: 0 0 18px;
}
.pack-card__price-note { display: block; font-family: var(--font-body); font-weight: 400; color: var(--text-dim); font-size: 0.78rem; margin-top: 2px; }

/* =================== Proyectos =================== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}
.project-card {
  border: 1px solid var(--surface-border);
  border-radius: var(--radius);
  padding: 26px;
  background: var(--bg);
}
.project-card__tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dim);
  border: 1px solid var(--surface-border);
  border-radius: 999px;
  padding: 3px 10px;
  margin-bottom: 14px;
}
.project-card__title { font-size: 1.05rem; font-weight: 700; margin: 0 0 10px; }
.project-card__text { color: var(--text-dim); font-size: 0.9rem; margin: 0; }

/* =================== Cómo trabajamos =================== */
.steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 28px;
}
.step { position: relative; padding-top: 8px; }
.step__num {
  display: block;
  font-family: var(--font-display);
  color: var(--accent);
  font-size: 0.85rem;
  margin-bottom: 12px;
}
.step__title { font-size: 1rem; font-weight: 700; margin: 0 0 8px; }
.step__text { color: var(--text-dim); font-size: 0.88rem; margin: 0; }

/* =================== Sobre =================== */
.about__content { max-width: 680px; }
.about__text { color: var(--text-dim); font-size: 1rem; margin: 0 0 16px; }
.about__text--strong { color: var(--text); font-weight: 600; }

/* =================== FAQ / Accordion =================== */
.accordion { max-width: 760px; }
.accordion__item {
  border-bottom: 1px solid var(--surface-border);
}
.accordion__trigger {
  width: 100%;
  background: none;
  border: none;
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  text-align: left;
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}
.accordion__icon {
  font-family: var(--font-display);
  color: var(--accent);
  transition: transform 0.2s ease;
  font-size: 1.2rem;
}
.accordion__trigger[aria-expanded="true"] .accordion__icon { transform: rotate(45deg); }
.accordion__panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
}
.accordion__panel p { color: var(--text-dim); font-size: 0.92rem; margin: 0 0 20px; max-width: 640px; }

/* =================== Contacto =================== */
.contact {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 36px;
}
.contact__form {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 0.85rem; color: var(--text-dim); }
.field input, .field select, .field textarea {
  background: var(--bg);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  resize: vertical;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--accent);
  outline: none;
}
.field__error { font-size: 0.78rem; color: var(--danger); min-height: 14px; }
.contact__status { font-size: 0.9rem; min-height: 18px; margin: 0; }
.contact__status.is-success { color: var(--accent-2); }
.contact__status.is-error { color: var(--danger); }

.contact__side {
  background: var(--bg);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-self: start;
}
.contact__side-title { font-size: 1.05rem; font-weight: 700; margin: 0; }
.contact__side-text { color: var(--text-dim); font-size: 0.9rem; margin: 0; }
.contact__info {
  margin-top: 8px;
  border-top: 1px solid var(--surface-border);
  padding-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.contact__info p { font-size: 0.85rem; color: var(--text-dim); margin: 0; }

/* =================== Footer =================== */
.footer {
  background: var(--bg-alt);
  border-top: 1px solid var(--surface-border);
  padding: 40px 0;
}
.footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.footer__brand { display: flex; align-items: center; gap: 10px; }
.footer__nav { display: flex; gap: 18px; flex-wrap: wrap; }
.footer__nav a { font-size: 0.85rem; color: var(--text-dim); }
.footer__nav a:hover { color: var(--accent); }
.footer__whatsapp { font-family: var(--font-display); color: var(--accent); font-size: 0.85rem; }
.footer__copy { font-size: 0.8rem; color: var(--text-dim); width: 100%; margin-top: 4px; }

/* =================== Responsive =================== */
@media (max-width: 860px) {
  .nav, .header__cta { display: none; }
  .hamburger { display: flex; }
  .contact { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .section { padding: 64px 0; }
  .hero { padding: 80px 0 60px; }
}