:root {
  --bg: #0a0a0b;
  --card: #151517;
  --card-2: #1c1c1f;
  --border: #2a2a2e;
  --text-1: #ffffff;
  --text-2: #b3b3bd;
  --accent: #ff2d78;
  --accent-dark: #d61f61;
  --error: #ff6b6b;
  --success: #4dd4ac;
  --radius: 14px;
}

* { box-sizing: border-box; }

::selection { background: var(--accent); color: #fff; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text-1);
  font-family: -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.5;
  font-variant-numeric: tabular-nums;
}

.page {
  max-width: 640px;
  margin: 0 auto;
  padding: 56px 20px 80px;
}

.page-center {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.logo-mark { height: 192px; width: auto; display: block; margin-bottom: 40px; }
.page-logo { height: 36px; width: auto; display: block; margin-bottom: 32px; }
.card-logo { height: 40px; width: auto; display: block; margin: 0 auto 20px; }

.hero h1 {
  font-size: 42px;
  line-height: 1.12;
  margin: 0 0 20px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.hero h1 .accent { color: var(--accent); }

.hero .sub {
  color: var(--text-2);
  font-size: 17px;
  max-width: 52ch;
  margin: 0 0 40px;
}

.how { margin: 48px 0; }
.how h2, .form-section h2 { font-size: 20px; margin: 0 0 20px; }
.how ol { color: var(--text-2); padding-left: 20px; display: flex; flex-direction: column; gap: 10px; }

.card, .form-section {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}

.card { max-width: 420px; width: 100%; text-align: center; }
.card h1 { font-size: 24px; margin: 0 0 12px; }
.card p { color: var(--text-2); }

form { display: flex; flex-direction: column; gap: 18px; margin-top: 8px; }

label {
  display: flex;
  flex-direction: column;
  gap: 7px;
  font-size: 13px;
  color: var(--text-2);
  text-align: left;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="password"],
select {
  background: var(--card-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  color: var(--text-1);
  font-size: 15px;
  font-family: inherit;
}

input:focus-visible, select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: var(--accent);
}

.phone-row { display: flex; gap: 8px; }
.phone-row select { flex: 0 0 45%; }
.phone-row input { flex: 1; }

.btn-primary {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 14px 18px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  display: inline-block;
}

.btn-primary:hover { background: var(--accent-dark); }

.btn-secondary {
  background: transparent;
  color: var(--text-1);
  text-align: center;
  text-decoration: none;
  display: inline-block;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 18px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
}
.btn-secondary:hover { border-color: var(--text-2); }

.link-muted { color: var(--text-2); text-decoration: underline; }

.hint { color: var(--text-2); font-size: 13px; text-align: center; margin: 12px 0 0; }
.hint-ok { color: var(--success); }

.alert {
  border-radius: 8px;
  padding: 12px 14px;
  margin-bottom: 16px;
  font-size: 14px;
}

.alert-error {
  background: rgba(255, 107, 107, 0.12);
  border: 1px solid var(--error);
  color: var(--error);
}

.alert ul { margin: 0; padding-left: 18px; }

.foot {
  display: flex;
  justify-content: space-between;
  color: var(--text-2);
  font-size: 12px;
  margin-top: 56px;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

/* Cuestionario multi-paso */
.progress-wrap { margin-bottom: 36px; }
.progress {
  height: 4px;
  background: var(--border);
  border-radius: 999px;
  overflow: hidden;
}
.progress-bar {
  height: 100%;
  width: 100%;
  background: var(--accent);
  transform: scaleX(0.33);
  transform-origin: left;
  transition: transform 0.25s ease;
}
.progress-label {
  color: var(--text-2);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 10px 0 0;
}
.step h1 { font-size: 27px; margin: 0 0 8px; letter-spacing: -0.01em; }
.step .sub { color: var(--text-2); margin: 0 0 28px; }
.step { display: flex; flex-direction: column; gap: 18px; }
.step-actions { display: flex; gap: 12px; margin-top: 8px; }
.step-actions .btn-primary, .step-actions .btn-secondary { flex: 1; text-align: center; }
.disclaimer { color: var(--text-2); font-size: 12px; text-align: center; margin-top: 36px; }

/* Resultado */
.result-page { width: 100%; max-width: 480px; display: flex; flex-direction: column; gap: 20px; }

.result-sheet {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}

.result-sheet-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}
.result-logo { height: 40px; width: auto; display: block; }
.result-date { color: var(--text-2); font-size: 12px; }

.result-title { font-size: 23px; font-weight: 800; letter-spacing: -0.01em; margin: 0 0 24px; }

.result-hero {
  background: linear-gradient(155deg, rgba(255,45,120,0.20), rgba(255,45,120,0.03));
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  margin-bottom: 16px;
}
.result-kcal { font-size: 48px; font-weight: 800; line-height: 1; }
.result-kcal-label { color: var(--accent); font-size: 12px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; margin: 6px 0 14px; }
.badge {
  display: inline-block;
  background: #fff;
  color: #0a0a0b;
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 700;
}
.result-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 10px;
}
.result-box {
  background: var(--card-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
}
.result-box span { display: block; color: var(--text-2); font-size: 11px; letter-spacing: 0.04em; margin-bottom: 6px; }
.result-box b { font-size: 22px; font-weight: 800; }
.result-box b i { font-size: 13px; font-weight: 600; font-style: normal; color: var(--text-2); }
.result-box-wide { margin-bottom: 4px; }
.result-footnote { color: var(--text-2); font-size: 11px; margin: 20px 0 0; }

.result-actions { display: flex; flex-direction: column; gap: 12px; }
.cta-text { color: var(--text-2); font-size: 14px; margin: 0; text-align: center; }
.result-actions-row { display: flex; gap: 10px; }
.result-actions-row .btn-secondary, .result-actions-row form { flex: 1; }
.result-actions-row button { width: 100%; }
#formEnviarCorreo { display: contents; }

@media print {
  body * { visibility: hidden; }
  #printArea, #printArea * { visibility: visible; }
  #printArea {
    position: absolute;
    inset: 0;
    background: #fff;
    color: #0a0a0b;
    border: none;
    padding: 40px;
  }
  .result-date { color: #666; }
  .result-title { color: #0a0a0b; }
  .result-hero { background: #fff5f8; border-color: var(--accent); }
  .result-box { background: #f7f7f8; border-color: #e4e4e7; }
  .result-box span { color: #666; }
  .result-box b i { color: #666; }
  .badge { background: var(--accent); color: #fff; }
  .result-footnote { color: #888; }
}