/* ---------------------------------------------------------------------
   Tokens — mismo sistema visual del brochure (fondo #0d0f12, tarjetas
   #161a20, tipografia Fraunces/Inter/JetBrains Mono) para que ambas
   paginas del sitio se vean coherentes. Acentos de marca SIRTIA: Violeta
   como acento primario (CTAs/estados activos, nunca como texto sobre
   fondo oscuro) y Lila como color de texto de marca sobre fondo oscuro.
--------------------------------------------------------------------- */
:root {
  --bg: #0D0F12;
  --surface: #161A20;
  --surface-alt: #1D222A;
  --ink: #EEF0F3;
  --ink-soft: #8B93A1;
  --ink-faint: #5D6472;
  --line: rgba(255, 255, 255, 0.08);
  --line-soft: rgba(255, 255, 255, 0.14);
  --accent: #4500F9;
  --accent-ink: #FFFFFF;
  --accent-soft: #CCAFFF;
  --accent-text: #CCAFFF;
  --ok: #67C98D;
  --error: #FF8A82;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 12px 28px -14px rgba(0, 0, 0, 0.6);
  --radius: 14px;
}

* { box-sizing: border-box; }

html { color-scheme: dark; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Inter", -apple-system, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1, h2 {
  font-family: "Fraunces", Georgia, serif;
  color: var(--ink);
  text-wrap: balance;
  margin: 0;
}

.page {
  max-width: 1040px;
  margin: 0 auto;
  padding: 48px 24px 64px;
}

/* ---------- Hero ---------- */
.hero {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--line);
}

.hero-logo {
  width: 44px;
  height: 44px;
  margin-bottom: 4px;
}

.eyebrow {
  margin: 0;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-text);
}

.hero h1 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 700;
}

.hero-tagline {
  margin: 0;
  max-width: 60ch;
  color: var(--accent-text);
  font-weight: 600;
  font-size: 1.12rem;
}

.subhead {
  margin: 0;
  max-width: 60ch;
  color: var(--ink-soft);
  font-size: 1.02rem;
}

/* ---------- Layout ---------- */
.layout {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

@media (max-width: 800px) {
  .layout { grid-template-columns: 1fr; }
}

/* ---------- Summary card ---------- */
.summary { position: sticky; top: 24px; }

@media (max-width: 800px) { .summary { position: static; } }

.summary-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
}

.summary-label {
  display: block;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 10px;
}

.price-row {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}

.price-final {
  font-family: "Fraunces", Georgia, serif;
  font-variant-numeric: tabular-nums;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--ink);
}

.price-final small {
  font-size: 0.85rem;
  color: var(--ink-faint);
  font-weight: 400;
}

.price-note {
  margin: 8px 0 0;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.summary-list {
  margin: 18px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--ink-soft);
}

.summary-list li { position: relative; padding-left: 16px; }
.summary-list a { color: var(--accent-text); }
.summary-list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--accent-text);
}

/* ---------- Form card ---------- */
.form-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.form-section {
  padding: 26px 28px;
  border-bottom: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-section:last-of-type { border-bottom: none; }

.form-section h2 {
  font-size: 1.05rem;
  font-weight: 600;
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.step {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.75rem;
  color: var(--accent);
  border: 1px solid var(--accent-soft);
  background: var(--accent-soft);
  padding: 2px 6px;
  border-radius: 4px;
}

.optional-tag {
  font-family: "Inter", sans-serif;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.field-grid {
  display: grid;
  gap: 16px;
}

.field-grid.two { grid-template-columns: 1fr 1fr; }

@media (max-width: 560px) {
  .field-grid.two { grid-template-columns: 1fr; }
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

label {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--ink);
}

input[type="text"],
input[type="email"],
select,
textarea {
  font: inherit;
  color: var(--ink);
  background: var(--surface-alt);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  width: 100%;
}

textarea { resize: vertical; min-height: 72px; }

input:focus-visible,
select:focus-visible,
textarea:focus-visible,
button:focus-visible,
.file-drop:focus-within {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.field-hint {
  margin: 0;
  font-size: 0.84rem;
  color: var(--ink-soft);
}

.field-hint.error { color: var(--error); }
.field-hint.ok { color: var(--ok); }

.btn-secondary {
  font: inherit;
  font-weight: 500;
  font-size: 0.88rem;
  background: var(--surface-alt);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 10px 20px;
  cursor: pointer;
  white-space: nowrap;
}

.btn-secondary:hover { border-color: var(--accent); }
.btn-secondary:disabled { opacity: 0.6; cursor: not-allowed; }

/* ---------- File drop ---------- */
.file-drop {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 28px 16px;
  border: 1.5px dashed var(--line-soft);
  border-radius: 10px;
  background: var(--surface-alt);
  color: var(--ink-soft);
  font-size: 0.92rem;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.file-drop:hover { border-color: var(--accent); color: var(--ink); }
.file-drop.has-file { border-style: solid; border-color: var(--ok); color: var(--ink); }

.file-drop-icon {
  font-family: "JetBrains Mono", monospace;
  font-size: 1.1rem;
  color: var(--accent-text);
}

.file-drop input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

/* ---------- Legal box ---------- */
.legal-box {
  max-height: 220px;
  overflow-y: auto;
  background: var(--surface-alt);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 16px 18px;
  font-size: 0.85rem;
  color: var(--ink-soft);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.legal-box strong { color: var(--ink); }

.checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--ink);
  cursor: pointer;
}

.checkbox-row input {
  margin-top: 3px;
  width: 17px;
  height: 17px;
  accent-color: var(--accent);
  flex-shrink: 0;
}

/* ---------- Footer / submit ---------- */
.form-footer {
  padding: 24px 28px 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.form-error {
  margin: 0;
  font-size: 0.88rem;
  color: var(--error);
  min-height: 1.2em;
}

.btn-submit {
  font: inherit;
  font-weight: 700;
  font-size: 0.98rem;
  background: var(--accent);
  color: var(--accent-ink);
  border: none;
  border-radius: 999px;
  padding: 14px 22px;
  cursor: pointer;
  transition: opacity 0.15s ease, transform 0.05s ease;
}

.btn-submit:hover { opacity: 0.88; }
.btn-submit:active { transform: translateY(1px); }
.btn-submit:disabled { opacity: 0.6; cursor: not-allowed; }

.page-footer {
  margin-top: 32px;
  text-align: center;
  font-size: 0.82rem;
  color: var(--ink-faint);
}

.page-footer p + p { margin-top: 6px; }

.page-footer a {
  color: var(--accent-text);
  text-decoration: none;
}

.page-footer a:hover { text-decoration: underline; }

/* ---------- Success modal ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(13, 15, 18, 0.72);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 10;
}

.modal-overlay[hidden] {
  display: none;
}

.modal {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 32px;
  max-width: 380px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.modal-mark {
  margin: 0 0 6px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--ok);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

.modal h2 { font-size: 1.2rem; }
.modal p { margin: 0; color: var(--ink-soft); font-size: 0.92rem; }

.modal .btn-secondary { margin-top: 10px; }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}