/* =====================================================================
   Zennin Soft — sistema visual "synthwave / dojo digital"
   Un sabio ermitaño (Sennin) que domina la claridad del Zen aplicada al
   software: retícula de neón tipo outrun, tipografía técnica (Orbitron),
   un trazo cursivo (Kaushan Script) como firma, y kanji como textura de
   fondo — la estética cyberpunk clásica de letras asiáticas en neón.
   ===================================================================== */

:root {
  --bg: #0a0a1a;
  --bg-alt: #0f0e26;
  --surface: #14132e;
  --cyan: #2de2ff;
  --magenta: #ff2e9a;
  --text: #f3f1ff;
  --text-dim: #9a93c9;
  --border: rgba(243, 241, 255, 0.14);

  --font-display: 'Orbitron', 'Segoe UI', sans-serif;
  --font-script: 'Kaushan Script', cursive;
  --font-body: 'Rajdhani', 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  --radius: 6px;
  --header-h: 76px;
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  position: relative;
}

/* velo tipo CRT/VHS, muy sutil, sobre toda la página */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 50;
  opacity: 0.4;
  mix-blend-mode: overlay;
  background-image: repeating-linear-gradient(
    0deg,
    rgba(255, 255, 255, 0.045) 0px,
    rgba(255, 255, 255, 0.045) 1px,
    transparent 1px,
    transparent 3px
  );
}

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

.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

img, svg { max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, dl { list-style: none; margin: 0; padding: 0; }

h1, h2, h3 { font-family: var(--font-display); font-weight: 700; letter-spacing: 0.01em; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 28px;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}
.btn--primary {
  background: var(--magenta);
  color: #0a0a1a;
  box-shadow: 0 0 18px rgba(255, 46, 154, 0.45), 0 0 40px rgba(255, 46, 154, 0.15);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 0 26px rgba(255, 46, 154, 0.65), 0 0 60px rgba(255, 46, 154, 0.25); }
.btn--primary:active { transform: translateY(1px) scale(0.97); }
.btn--ghost {
  background: transparent;
  color: var(--cyan);
  border-color: rgba(45, 226, 255, 0.5);
}
.btn--ghost:hover { background: rgba(45, 226, 255, 0.08); box-shadow: 0 0 20px rgba(45, 226, 255, 0.25); }
.btn--ghost:active { transform: translateY(1px) scale(0.98); }
.btn--block { width: 100%; }

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  display: flex;
  align-items: center;
  z-index: 100;
  background: rgba(10, 10, 26, 0.78);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.header__inner { display: flex; align-items: center; justify-content: space-between; }

.brand { display: flex; align-items: baseline; gap: 2px; font-family: var(--font-display); font-size: 1.15rem; }
.brand__name { color: var(--text); font-weight: 800; text-shadow: 0 0 10px rgba(45, 226, 255, 0.55); }
.brand__soft { font-family: var(--font-script); font-size: 1.3rem; color: var(--magenta); text-shadow: 0 0 10px rgba(255, 46, 154, 0.55); margin-left: 2px; }

.nav { display: flex; align-items: center; gap: 4px; }
.nav__link {
  position: relative;
  padding: 10px 16px;
  color: var(--text-dim);
  font-weight: 600;
  font-size: 0.95rem;
  transition: color 0.2s ease;
}
.nav__link::after {
  content: '';
  position: absolute;
  left: 16px; right: 16px; bottom: 6px;
  height: 1px;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
  transform: scaleX(0);
  transition: transform 0.25s ease;
}
.nav__link:hover { color: var(--text); }
.nav__link:hover::after { transform: scaleX(1); }
.nav__link--cta {
  color: var(--cyan);
  border: 1px solid rgba(45, 226, 255, 0.5);
  border-radius: var(--radius);
  margin-left: 8px;
}
.nav__link--cta::after { display: none; }
.nav__link--cta:hover { background: rgba(45, 226, 255, 0.08); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px; height: 40px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
}
.nav-toggle span { width: 18px; height: 1px; background: var(--cyan); margin: 0 auto; }

/* ===== Hero ===== */
.hero {
  position: relative;
  padding: calc(var(--header-h) + 70px) 0 120px;
  overflow: hidden;
}
.hero__bg { position: absolute; inset: 0; z-index: 0; }

.grid-floor {
  position: absolute;
  left: -20%; right: -20%; bottom: -40px; height: 320px;
  background-image:
    linear-gradient(rgba(45, 226, 255, 0.55) 1px, transparent 1px),
    linear-gradient(90deg, rgba(45, 226, 255, 0.55) 1px, transparent 1px);
  background-size: 64px 42px;
  transform: perspective(320px) rotateX(58deg);
  transform-origin: bottom;
  -webkit-mask-image: linear-gradient(to top, black 15%, transparent 85%);
  mask-image: linear-gradient(to top, black 15%, transparent 85%);
  opacity: 0.55;
}
.diamond-lines {
  position: absolute; inset: 0;
  background-image:
    repeating-linear-gradient(45deg, rgba(45, 226, 255, 0.10) 0 2px, transparent 2px 110px),
    repeating-linear-gradient(-45deg, rgba(255, 46, 154, 0.10) 0 2px, transparent 2px 110px);
  -webkit-mask-image: radial-gradient(ellipse at 30% 20%, black 0%, transparent 65%);
  mask-image: radial-gradient(ellipse at 30% 20%, black 0%, transparent 65%);
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 400px);
  align-items: center;
  gap: 40px;
}

.eyebrow {
  font-family: var(--font-mono);
  color: var(--cyan);
  font-size: 0.85rem;
  margin: 0 0 20px;
}
.eyebrow--script {
  font-family: var(--font-script);
  color: var(--magenta);
  font-size: 1.5rem;
  text-shadow: 0 0 12px rgba(255, 46, 154, 0.5);
}
.hero__title {
  font-size: clamp(2.1rem, 4.6vw, 3.3rem);
  line-height: 1.2;
  font-weight: 800;
  text-transform: uppercase;
  margin: 0 0 24px;
  color: var(--text);
  text-shadow: 0 0 18px rgba(45, 226, 255, 0.35), 0 0 40px rgba(255, 46, 154, 0.15);
}
.hero__subtitle {
  color: var(--text-dim);
  font-size: 1.15rem;
  max-width: 50ch;
  margin: 0 0 36px;
}
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 44px; }

.hero__credentials {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 0;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  border-top: 1px solid var(--border);
  padding-top: 20px;
  max-width: 46ch;
}
.hero__credentials span:not(:last-child)::after { content: '\0020/\0020'; color: var(--magenta); }

.hero__mark { display: flex; justify-content: center; }
.logo-card {
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: 20px;
  padding: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(155deg, #1c1450 0%, #3a1a63 55%, #4a1750 100%);
  border: 2px solid var(--cyan);
  box-shadow:
    0 0 0 6px rgba(10, 10, 26, 0.9),
    0 0 0 8px rgba(255, 46, 154, 0.55),
    0 0 40px rgba(45, 226, 255, 0.25),
    0 0 70px rgba(255, 46, 154, 0.15);
}
.logo-card__img { width: 100%; height: 100%; object-fit: contain; filter: drop-shadow(0 0 18px rgba(0,0,0,0.35)); }

/* ===== Sections ===== */
.section { padding: 110px 0; position: relative; z-index: 1; }
.section--alt { background: var(--bg-alt); }

.section__eyebrow { color: var(--cyan); font-family: var(--font-mono); font-size: 0.85rem; margin: 0 0 12px; text-align: center; }
.section__eyebrow--left { text-align: left; }
.section__title {
  font-size: clamp(1.8rem, 3.2vw, 2.3rem);
  text-transform: uppercase;
  margin: 0 0 16px;
  text-align: center;
}
.section__title--left { text-align: left; }
.section__subtitle { color: var(--text-dim); text-align: center; max-width: 60ch; margin: 0 auto 60px; font-size: 1.05rem; }

/* ===== Scroll reveal ===== */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ===== Manifiesto ===== */
.manifesto {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  margin-bottom: 64px;
  align-items: start;
}
.manifesto__text p { color: var(--text-dim); font-size: 1.05rem; margin: 0 0 18px; }
.manifesto__text strong { color: var(--cyan); font-weight: 700; }
.manifesto__quote {
  margin: 0;
  padding: 30px 32px;
  border-left: 3px solid var(--magenta);
  background: var(--surface);
  border-radius: 0 var(--radius) var(--radius) 0;
  box-shadow: 0 0 30px rgba(255, 46, 154, 0.08);
}
.manifesto__quote p {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
  line-height: 1.55;
  color: var(--text);
}

/* ===== Cards ===== */
.cards { display: grid; gap: 28px; }
.cards--3 { grid-template-columns: repeat(3, 1fr); }

.card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px 30px;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}
.card:hover { transform: translateY(-3px); border-color: rgba(45, 226, 255, 0.5); box-shadow: 0 0 26px rgba(45, 226, 255, 0.15); }
.card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px; height: 42px;
  border: 1px solid rgba(45, 226, 255, 0.4);
  border-radius: var(--radius);
  color: var(--cyan);
  margin-bottom: 22px;
}
.card__icon svg { width: 22px; height: 22px; }
.card__icon--muted { color: var(--text-dim); border-color: var(--border); }
.card__title { margin: 0 0 10px; font-size: 1.05rem; text-transform: uppercase; letter-spacing: 0.02em; }
.card__text { color: var(--text-dim); margin: 0; font-size: 0.95rem; }
.card--placeholder { border-style: dashed; border-color: var(--text-dim); opacity: 0.85; }

/* Pilares filosóficos */
.pillar { text-align: center; overflow: hidden; }
.pillar__kanji {
  position: absolute;
  top: -10px; right: -6px;
  font-size: 5.5rem;
  font-weight: 700;
  color: rgba(45, 226, 255, 0.08);
  line-height: 1;
  pointer-events: none;
  user-select: none;
}
.pillar__kanji--soft { color: rgba(255, 46, 154, 0.08); font-size: 2.6rem; top: 4px; }
.pillar__title { margin: 0 0 4px; font-size: 1.3rem; color: var(--cyan); text-shadow: 0 0 10px rgba(45, 226, 255, 0.4); }
.pillar__subtitle { font-family: var(--font-mono); color: var(--magenta); font-size: 0.8rem; margin: 0 0 14px; text-transform: uppercase; letter-spacing: 0.05em; }

/* Sello / stamp */
.stamp {
  position: absolute;
  top: -16px; right: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 84px; height: 84px;
  border-radius: 50%;
  border: 1.5px solid var(--cyan);
  color: var(--cyan);
  background: var(--bg);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  text-align: center;
  line-height: 1.2;
  padding: 8px;
  transform: rotate(-9deg);
  box-shadow: 0 0 16px rgba(45, 226, 255, 0.3);
}
.stamp--magenta { border-color: var(--magenta); color: var(--magenta); box-shadow: 0 0 16px rgba(255, 46, 154, 0.35); }

/* ===== Pricing ===== */
.price-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 38px 32px;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}
.price-card--featured { border-color: rgba(255, 46, 154, 0.55); box-shadow: 0 0 34px rgba(255, 46, 154, 0.15); }
.price-card__name { margin: 6px 0 6px; font-size: 1.2rem; text-transform: uppercase; }
.price-card__desc { color: var(--text-dim); font-size: 0.9rem; margin: 0 0 20px; }
.price-card__price { font-family: var(--font-mono); font-size: 1.6rem; font-weight: 700; color: var(--cyan); margin: 0 0 24px; }
.price-card__price span { font-size: 0.85rem; font-weight: 400; color: var(--text-dim); }
.price-card__features { margin: 0 0 30px; flex: 1; }
.price-card__features li { padding: 9px 0; border-top: 1px solid var(--border); color: var(--text-dim); font-size: 0.92rem; }
.price-card__features li:first-child { border-top: none; }

/* ===== About ===== */
.about { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.about__lead { color: var(--text-dim); font-size: 1.05rem; max-width: 50ch; margin: 0; }

.colophon { border-top: 1px solid var(--border); }
.colophon__row { display: grid; grid-template-columns: 110px 1fr; gap: 20px; padding: 22px 0; border-bottom: 1px solid var(--border); }
.colophon__row dt { font-family: var(--font-mono); color: var(--cyan); font-size: 0.85rem; }
.colophon__row dd { margin: 0; color: var(--text-dim); font-size: 0.95rem; }

/* ===== Contact ===== */
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.contact__list { margin-top: 26px; display: flex; flex-direction: column; gap: 16px; }
.contact__list li { display: flex; align-items: center; gap: 12px; color: var(--text-dim); }
.contact__list svg { width: 18px; height: 18px; color: var(--cyan); flex-shrink: 0; }
.contact__list a:hover { color: var(--text); }

.contact__form { padding-top: 4px; }
.field { margin-bottom: 22px; }
.field label { display: block; margin-bottom: 8px; font-family: var(--font-mono); font-size: 0.8rem; color: var(--text-dim); }
.field input, .field textarea {
  width: 100%;
  padding: 10px 2px;
  border: none;
  border-bottom: 1px solid var(--border);
  border-radius: 0;
  background: transparent;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1.02rem;
  resize: vertical;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.field input::placeholder, .field textarea::placeholder { color: rgba(154, 147, 201, 0.6); }
.field input:focus, .field textarea:focus {
  outline: none;
  border-bottom-color: var(--cyan);
  box-shadow: 0 1px 0 0 var(--cyan);
}
.form__note { margin: 16px 0 0; font-size: 0.9rem; color: var(--cyan); min-height: 1.2em; }

/* ===== Footer ===== */
.footer { border-top: 1px solid var(--border); padding: 40px 0; position: relative; z-index: 1; }
.footer__inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.footer__text { color: var(--text-dim); font-size: 0.85rem; margin: 0; font-family: var(--font-mono); }
.footer__links { display: flex; gap: 22px; }
.footer__links a { color: var(--text-dim); font-size: 0.9rem; }
.footer__links a:hover { color: var(--magenta); }

/* ===== Reduced motion ===== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn, .card { transition: none; }
}

/* ===== Responsive ===== */
@media (max-width: 980px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__mark { order: -1; max-width: 320px; margin: 0 auto 30px; }
  .cards--3, .about, .contact, .manifesto { grid-template-columns: 1fr; }
  .manifesto__quote { border-left: none; border-top: 3px solid var(--magenta); border-radius: 0 0 var(--radius) var(--radius); }
}

@media (max-width: 760px) {
  .nav {
    position: absolute;
    top: var(--header-h);
    left: 0; right: 0;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: stretch;
    padding: 10px;
    display: none;
  }
  .nav.is-open { display: flex; }
  .nav__link { text-align: center; }
  .nav__link--cta { margin: 6px 10px 0; text-align: center; }
  .nav-toggle { display: flex; }
  .colophon__row { grid-template-columns: 1fr; gap: 6px; }
  .pillar__kanji { font-size: 4rem; }
}