/* ───────────────────────────────────────────────────────────────────────────
   Tokens
   ─────────────────────────────────────────────────────────────────────────── */
:root {
  --bg: #08080a;
  --text: #f4f4f6;
  --text-muted: #8b8b95;
  --text-subtle: #5c5c66;

  --accent: #fb1f03;
  --accent-grad-start: #ff3a22;
  --accent-grad-end: #c2140a;
  --accent-shadow: rgb(255 42 23 / 40%);

  --field-bg: #131317;
  --field-border: #2a2a31;

  --ok: #35c76b;

  --font-display: 'Saira', system-ui, sans-serif;
  --font-body: 'Barlow', system-ui, -apple-system, sans-serif;

  --radius-md: 12px;

  --target-min: 56px;
  --container-max: 56rem;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --duration-normal: 180ms;
}

@media (prefers-reduced-motion: reduce) {
  :root { --duration-normal: 1ms; }
}

/* ───────────────────────────────────────────────────────────────────────────
   Base
   ─────────────────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

body {
  position: relative;
  margin: 0;
  min-height: 100dvh;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

:where(a) { color: inherit; }
:where(:focus-visible) {
  outline: none;
  box-shadow: 0 0 0 2px var(--bg), 0 0 0 4px var(--accent);
  border-radius: var(--radius-md);
}

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

/* ── Franja d'accent ────────────────────────────────────────────────────── */
.accent-bar {
  flex: 0 0 auto;
  height: 3px;
  background: var(--accent);
}

/* ── Traçat decoratiu ───────────────────────────────────────────────────── */
.bg-track {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.bg-track svg {
  position: absolute;
  top: 42%;
  right: -38%;
  width: 95%;
  height: auto;
  opacity: 0.05;
}

@media (min-width: 48rem) {
  .bg-track svg {
    top: -8%;
    right: -16%;
    width: 52%;
  }
}

/* ── Contingut principal ────────────────────────────────────────────────── */
.hero {
  position: relative;
  z-index: 1;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: center;
  gap: 1.25rem;
  max-width: var(--container-max);
  width: 100%;
  margin-inline: auto;
  padding: 3rem 1.5rem;
  text-align: center;
}

.hero__logo {
  align-self: center;
  display: block;
  height: 1.7rem;
  width: auto;
}

@media (min-width: 48rem) {
  .hero__logo { height: 1.9rem; }
}

.eyebrow {
  align-self: center;
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

.eyebrow__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

h1 {
  margin: 0.5rem auto 0;
  max-width: 23ch;
  font-family: var(--font-display);
  font-size: clamp(2rem, 1.35rem + 4.3vw, 3.625rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.lede {
  margin: 0 auto;
  max-width: 46ch;
  color: var(--text-muted);
  font-size: clamp(1rem, 0.93rem + 0.4vw, 1.125rem);
  line-height: 1.55;
  text-wrap: pretty;
}

/* ── Formulari de captura ───────────────────────────────────────────────── */
.signup {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.75rem;
  width: 100%;
  max-width: 30rem;
  margin: 0.75rem auto 0;
}

@media (min-width: 36rem) {
  .signup {
    flex-direction: row;
    max-width: 34rem;
  }
}

.signup__field {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  min-height: var(--target-min);
  padding-inline: 1.125rem;
  background: var(--field-bg);
  border: 1px solid var(--field-border);
  border-radius: var(--radius-md);
}

.signup__icon {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  color: var(--text-subtle);
}

.signup__field input {
  flex: 1;
  min-width: 0;
  border: 0;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 0.95rem;
}
.signup__field input:focus { outline: none; }
.signup__field input::placeholder { color: var(--text-subtle); }

.btn {
  flex-shrink: 0;
  min-height: var(--target-min);
  padding-inline: 1.875rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: var(--radius-md);
  background-image: linear-gradient(-90deg, var(--accent-grad-start) 0%, var(--accent-grad-end) 100%);
  box-shadow: 0 8px 24px -6px var(--accent-shadow);
  color: #fff;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: filter var(--duration-normal) var(--ease-out);
}
.btn:hover { filter: brightness(1.08); }
.btn[disabled] { opacity: 0.6; cursor: progress; }

.signup-status {
  margin: 0;
  min-height: 1.4em;
  font-size: 0.85rem;
}
.signup-status[data-state='ok'] { color: var(--ok); }
.signup-status[data-state='error'] { color: var(--accent); }

.signup-note {
  margin: 0;
  color: var(--text-subtle);
  font-size: 0.8125rem;
}

/* ── Organitzadors ──────────────────────────────────────────────────────── */
.organizer {
  margin: 1.75rem 0 0;
  color: var(--text-muted);
  font-size: 0.875rem;
}
.organizer a {
  color: var(--text);
  font-weight: 600;
  text-decoration: none;
}
.organizer a:hover { text-decoration: underline; }

/* ── Peu ─────────────────────────────────────────────────────────────────── */
.site-footer {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 1.5rem 1.5rem 2rem;
  color: var(--text-subtle);
  font-size: 0.8125rem;
  text-align: center;
}
.site-footer p { margin: 0; }

@media (min-width: 48rem) {
  .site-footer {
    max-width: var(--container-max);
    width: 100%;
    margin-inline: auto;
    padding-inline: 3.75rem;
  }
}