/* ============================================
   PAN KRABIČKA — Form (objednávka)
   ============================================ */

:root {
  --purple: #5346ec;
  --purple-dark: #3925b8;
  --lime: #c5ff4d;
  --lime-dark: #aef03b;
  --green-dark: #0c3b25;
  --ink: #0e1a23;
  --ink-soft: #2c3138;
  --muted: #6b7480;
  --light: #f4f6f8;
  --error: #e63946;
  --border: #e2e6ec;
  --radius: 14px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Montserrat', system-ui, sans-serif;
  font-weight: 400;
  color: var(--ink);
  background: var(--light);
  line-height: 1.55;
}
img { max-width: 100%; display: block; }
a { color: var(--purple); text-decoration: none; }
a:hover { text-decoration: underline; }
button { font: inherit; cursor: pointer; border: 0; background: none; }
.req { color: var(--purple); font-weight: 900; }

.form-container {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Header ===== */
.form-header {
  background: var(--purple);
  padding: 22px 0;
}
.form-header .form-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.form-logo {
  font-weight: 900;
  font-size: 28px;
  color: #fff;
  letter-spacing: -1px;
}
.form-logo span { color: var(--lime); }
.form-logo:hover { text-decoration: none; }
.form-back {
  color: #fff;
  font-weight: 500;
  font-size: 14px;
  opacity: 0.9;
}
.form-back:hover { opacity: 1; text-decoration: none; }

/* ===== Main ===== */
.form-main { padding: 50px 0 80px; }

.plan-card {
  background: #fff;
  border: 2px solid var(--purple);
  border-radius: 22px;
  padding: 24px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 50px;
  box-shadow: 0 10px 30px rgba(83,70,236,0.08);
}
.plan-card--dark { background: #0d1424; color: #fff; border-color: var(--lime); }
.plan-card__left { display: flex; align-items: center; gap: 22px; }
.plan-card__num {
  font-size: 44px;
  font-weight: 900;
  color: var(--purple);
  line-height: 1;
}
.plan-card--dark .plan-card__num { color: var(--lime); }
.plan-card__cat {
  font-size: 13px;
  font-weight: 900;
  color: var(--purple);
  letter-spacing: 1px;
  margin-bottom: 6px;
}
.plan-card--dark .plan-card__cat { color: var(--lime); }
.plan-card__desc { font-size: 14px; color: var(--ink-soft); font-weight: 400; }
.plan-card--dark .plan-card__desc { color: rgba(255,255,255,0.8); }
.plan-card__right { text-align: right; }
.plan-card__price {
  font-size: 28px;
  font-weight: 900;
  color: var(--ink);
  letter-spacing: -0.5px;
}
.plan-card--dark .plan-card__price { color: var(--lime); }
.plan-card__period { font-size: 12px; color: var(--muted); }
.plan-card--dark .plan-card__period { color: rgba(255,255,255,0.65); }

/* ===== Titulek ===== */
.form-title {
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 900;
  letter-spacing: -0.5px;
  margin-bottom: 8px;
}
.form-lead {
  font-size: 16px;
  color: var(--ink-soft);
  margin-bottom: 16px;
  font-weight: 400;
}
.form-required-note {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 30px;
}

/* ===== Formulář ===== */
.order-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.form-section {
  background: #fff;
  border: 0;
  border-radius: 22px;
  padding: 30px 32px;
  box-shadow: 0 4px 18px rgba(20,10,80,0.05);
}
.form-section legend {
  font-size: 13px;
  font-weight: 900;
  color: var(--purple);
  letter-spacing: 1.2px;
  text-transform: uppercase;
  padding: 0;
  margin-bottom: 22px;
  border-bottom: 2px solid var(--lime);
  display: inline-block;
  padding-bottom: 6px;
}

.form-row { display: flex; flex-direction: column; gap: 20px; margin-bottom: 20px; }
.form-row:last-child { margin-bottom: 0; }
.form-row--2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-row--3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }
.form-section > .form-field:not(:last-child) { margin-bottom: 20px; }

.form-field { display: flex; flex-direction: column; }
.form-field label {
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--ink);
}
.field-hint {
  font-size: 12.5px;
  color: var(--muted);
  margin-bottom: 10px;
  font-weight: 400;
  line-height: 1.5;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
textarea {
  font-family: inherit;
  font-size: 15px;
  font-weight: 400;
  padding: 13px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
  width: 100%;
  transition: border-color .15s ease, box-shadow .15s ease;
}
input:focus,
textarea:focus {
  outline: none;
  border-color: var(--purple);
  box-shadow: 0 0 0 3px rgba(83,70,236,0.15);
}
textarea { resize: vertical; min-height: 60px; }

/* Input s příponou (cm, kg, let) */
.input-suffix {
  position: relative;
  display: flex;
  align-items: stretch;
}
.input-suffix input { padding-right: 50px; }
.input-suffix .suffix {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
  pointer-events: none;
}

/* Radio inline */
.radio-group { display: flex; gap: 16px; flex-wrap: wrap; }
.radio {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 15px;
  padding: 10px 18px;
  border: 1.5px solid var(--border);
  border-radius: 100px;
  transition: all .15s ease;
}
.radio input { accent-color: var(--purple); }
.radio:has(input:checked) {
  background: rgba(83,70,236,0.08);
  border-color: var(--purple);
}

/* Radio karty (Cíl, Jídla) */
.radio-group--cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.radio-group--meals { grid-template-columns: repeat(4, 1fr); }
.radio-card {
  cursor: pointer;
  position: relative;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  transition: all .15s ease;
}
.radio-card input { position: absolute; opacity: 0; }
.radio-card__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  font-size: 14px;
  text-align: center;
}
.radio-card__inner strong { font-weight: 900; }
.radio-card__sub {
  font-size: 11px;
  color: var(--muted);
  font-weight: 500;
}
.radio-card:has(input:checked) .radio-card__sub { color: var(--purple); }
.radio-card:has(input:checked) {
  background: rgba(83,70,236,0.08);
  border-color: var(--purple);
  box-shadow: 0 6px 14px rgba(83,70,236,0.12);
}

/* Checkbox (souhlas) */
.form-field--consent { padding: 12px 4px; }
.checkbox {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  cursor: pointer;
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.5;
}
.checkbox input {
  margin-top: 3px;
  width: 18px;
  height: 18px;
  accent-color: var(--purple);
}

/* Submit */
.form-submit { text-align: center; margin-top: 16px; }
.form-submit-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 18px 36px;
  font-size: 16px;
  font-weight: 900;
  background: var(--lime);
  color: var(--green-dark);
  border-radius: 100px;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.form-submit-btn:hover {
  background: var(--lime-dark);
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(0,0,0,0.12);
}
.form-submit-btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none; box-shadow: none; }
.form-submit-note {
  margin-top: 14px;
  font-size: 12.5px;
  color: var(--muted);
}

/* Error message + invalid */
.form-error {
  background: #ffeded;
  color: #a4121a;
  border: 1px solid #f6b8b8;
  border-radius: 12px;
  padding: 14px 18px;
  font-size: 14px;
  margin-top: 16px;
}
input.invalid, textarea.invalid {
  border-color: var(--error);
  box-shadow: 0 0 0 3px rgba(230,57,70,0.12);
}

/* Footer */
.form-footer {
  background: #fff;
  border-top: 1px solid var(--border);
  padding: 24px 0;
  text-align: center;
  font-size: 13px;
  color: var(--muted);
}
.form-footer a { color: var(--purple); margin: 0 8px; }

/* ===== Responsive ===== */
@media (max-width: 720px) {
  .form-header .form-container { flex-direction: column; gap: 10px; }
  .plan-card { flex-direction: column; text-align: center; align-items: stretch; }
  .plan-card__left { flex-direction: column; }
  .plan-card__right { text-align: center; }
  .form-section { padding: 24px 20px; }
  .form-row--2,
  .form-row--3 { grid-template-columns: 1fr; }
  .radio-group--cards { grid-template-columns: 1fr; }
  .radio-group--meals { grid-template-columns: 1fr 1fr; }
  .form-submit-btn { width: 100%; justify-content: center; padding: 16px 24px; font-size: 15px; }
}