/* SEUWEB v5d — Base (cinematic premium) */

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  max-width: 100%;
  overflow-x: hidden;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  font-family: var(--font-body);
  font-size: 1.02rem;
  line-height: 1.68;
  color: var(--color-text);
  background: var(--color-bg);
  overflow-x: hidden;
  position: relative;
}

img, picture, video, canvas, svg { display: block; max-width: 100%; height: auto; }

button, input, textarea, select { font: inherit; color: inherit; }

a { color: inherit; text-decoration: none; }

ul, ol { list-style: none; }

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
}

/* Skip link */
.skip-link {
  position: absolute; top: -100%; left: 1.25rem; z-index: 200;
  padding: 0.75rem 1.4rem; background: var(--color-accent); color: var(--color-accent-contrast);
  font-weight: 700; border-radius: var(--radius-md); font-size: 0.9rem;
  transition: top .2s var(--ease-out-expo);
}
.skip-link:focus { top: 1.25rem; }

/* Container */
.container {
  width: min(100% - 2.75rem, var(--max-width));
  margin-inline: auto;
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 3.25rem, var(--max-width));
  }

  /* Extra safety to kill any right margin/overscroll on mobile */
  html, body {
    overflow-x: hidden;
    max-width: 100%;
  }
}

/* Premium section headers */
.section {
  padding: var(--space-section) 0;
}

.section--border {
  border-top: 1px solid var(--color-border);
}

.section-header {
  margin-bottom: 3.25rem;
}

.section-header.center {
  text-align: center;
}

.section-header.center .section-lead {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.section-label {
  font-family: var(--font-display-sans);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.9rem;
  opacity: 0.95;
}

.section-num {
  font-feature-settings: "tnum";
  margin-right: 0.6em;
  opacity: 0.75;
}

.section-title {
  font-family: var(--font-display-sans);
  font-size: clamp(2.95rem, 7.1vw, 5.65rem);
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 0.94;
  color: var(--color-text);
  margin-bottom: 1.1rem;
  max-width: none;
}

.section-header.center .section-title {
  max-width: none;
  margin-left: auto;
  margin-right: auto;
}

.section-lead {
  font-size: 1.1rem;
  max-width: 42rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* Text accents — como prod online */
.text-accent, .text-gradient {
  background: linear-gradient(90deg, var(--color-accent), var(--color-violet-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-style: normal;
  font-family: inherit;
  font-weight: inherit;
}

.accent {
  color: var(--color-accent);
  font-weight: 600;
  font-style: normal;
  font-family: inherit;
}

/* Scroll progress */
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 2px; z-index: var(--z-progress);
  background: linear-gradient(to right, var(--color-accent), var(--color-violet));
  width: var(--progress, 0%);
  transition: width 60ms linear;
  pointer-events: none;
}

/* Film grain */
.page-grain {
  position: fixed; inset: 0; z-index: 2; pointer-events: none;
  background-image: 
    linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
  background-size: 3px 3px;
  mix-blend-mode: screen;
  opacity: 0.55;
}

/* Constelación canvas */
.constelacion {
  position: fixed; inset: 0; z-index: 3; pointer-events: none; opacity: 0.65;
  mix-blend-mode: screen;
}

/* Preloader — cinematic */
/* Si html.loaded va en <head> (LCP), el preloader no pinta y no se convierte en LCP */
html.loaded .preloader {
  display: none !important;
}

.preloader {
  position: fixed; inset: 0; z-index: var(--z-preloader);
  background: #050508; display: flex; align-items: center; justify-content: center;
  transition: opacity 420ms var(--ease-out-expo), visibility 420ms;
}
.preloader--done { opacity: 0; visibility: hidden; }

.preloader__inner { text-align: center; width: 260px; }
.preloader__logo { margin-bottom: 2.4rem; }
.preloader__word {
  display: block; font-family: var(--font-display-sans); font-size: 2.1rem; font-weight: 800;
  letter-spacing: -0.04em; color: #fff;
}
.preloader__tag { font-size: 0.72rem; letter-spacing: 0.35em; color: var(--color-text-muted); }
.preloader__bar {
  height: 1px; background: rgba(255,255,255,0.1); position: relative; margin: 0 auto 1.25rem;
  width: 100%; max-width: 220px; overflow: hidden;
}
.preloader__bar-fill {
  position: absolute; left: 0; top: 0; height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--color-accent), var(--color-violet-light));
  transition: width 380ms var(--ease-out-expo);
}
.preloader__status { font-size: 0.78rem; letter-spacing: 0.12em; color: var(--color-text-faint); }

.preloader__particles {
  position: absolute; inset: 0; background: radial-gradient(circle at 40% 30%, rgba(0,240,255,0.035) 0%, transparent 55%);
}

/* Footer */
.footer {
  padding: 4.5rem 0 2.5rem; border-top: 1px solid var(--color-border); background: var(--color-bg-elevated);
  font-size: 0.95rem;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 3.25rem; }
.footer__brand { font-family: var(--font-display-sans); font-size: 1.35rem; font-weight: 800; margin-bottom: 0.65rem; }
.footer__desc { color: var(--color-text-muted); max-width: 26rem; }
.footer__col-title { font-weight: 700; font-size: 0.8rem; letter-spacing: 0.1em; margin-bottom: 1rem; color: var(--color-text-muted); }
.footer__bottom { margin-top: 3.75rem; padding-top: 1.5rem; border-top: 1px solid var(--color-border); font-size: 0.82rem; color: var(--color-text-faint); text-align: center; opacity: 0.75; }

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr; gap: 2.5rem; }
}

/* Form base */
.form { margin-top: 2rem; }
.form__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.form__field { margin-bottom: 1.15rem; }
.form__field label { display: block; font-size: 0.8rem; font-weight: 600; letter-spacing: 0.04em; margin-bottom: 0.45rem; color: var(--color-text-muted); }
.form__input, .form__select, .form__textarea {
  width: 100%; padding: 0.95rem 1.1rem; background: var(--color-surface); border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md); font-size: 1rem; transition: border-color .2s var(--ease-out-expo), box-shadow .2s;
}
.form__input:focus, .form__select:focus, .form__textarea:focus {
  border-color: var(--color-accent); box-shadow: 0 0 0 4px rgba(0,240,255,0.08); outline: none;
}
.form__textarea { min-height: 132px; resize: vertical; }

.fineprint, .audit__fineprint { font-size: 0.78rem; color: var(--color-text-faint); text-align: center; margin-top: 1rem; }

/* Toast */
.toast {
  position: fixed; bottom: 1.75rem; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--color-surface-elevated); color: var(--color-text); padding: 0.7rem 1.35rem; border-radius: var(--radius-full);
  font-size: 0.88rem; box-shadow: var(--shadow-soft); border: 1px solid var(--color-border); opacity: 0; pointer-events: none;
  transition: all .3s var(--ease-out-expo);
  z-index: 90;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); pointer-events: auto; }

/* Responsive base */
@media (max-width: 640px) {
  .form__grid { grid-template-columns: 1fr; }
}
