/* =========================================================================
   NI | SE Coaching – Kalorienrechner
   Design auf Basis "Praxisheft – Designsystem 2.0"
   Farbe: Mint auf Anthrazit (dunkel) / Kiefer auf Papier (hell)
   Schrift: Schibsted Grotesk (Fließtext/Überschrift) + Spline Sans Mono (Labels/Werte)
   ========================================================================= */

:root {
  --mint: #8ED4B0;
  --anthrazit: #303030;
  --kiefer: #24705A;
  --papier: #E9EBE7;
  --schiefer: #5C6462;
  --signal: #B4502A;

  --bg: var(--papier);
  --fg: var(--anthrazit);
  --fg-muted: var(--schiefer);
  --surface: #ffffff;
  --border: #d7dad4;

  --font-sans: 'Schibsted Grotesk', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono: 'Spline Sans Mono', ui-monospace, 'SFMono-Regular', Menlo, Consolas, monospace;

  --radius: 4px;
  --max-width: 1040px;
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: 6rem;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: var(--kiefer); }
a:hover { color: var(--anthrazit); }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---- Label / Mono-Typografie ------------------------------------------ */
.label,
.mono-label {
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 0.72rem;
  color: var(--kiefer);
}

.on-dark .label,
.on-dark .mono-label { color: var(--mint); }

.value,
.mono-value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ---- Header / Wortmarke ------------------------------------------------ */
.site-header {
  background: var(--anthrazit);
  color: var(--papier);
  padding: 1.1rem 0;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.wordmark {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: var(--mint);
}

.wordmark-img {
  height: 34px;
  width: auto;
  display: block;
}

.header-cta {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--papier);
  text-decoration: none;
  border: 1px solid rgba(233, 235, 231, 0.3);
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius);
  white-space: nowrap;
}

.header-cta:hover { border-color: var(--mint); color: var(--mint); }

/* ---- Hook / Hero -------------------------------------------------------- */
.hero {
  background: var(--anthrazit);
  color: var(--papier);
  padding: var(--space-6) 0 var(--space-5);
}

.hero .container { max-width: 760px; }

.hero .eyebrow {
  display: inline-block;
  background: var(--mint);
  color: var(--anthrazit);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 0.3rem 0.6rem;
  border-radius: 2px;
  margin-bottom: var(--space-3);
}

.hero h1 {
  font-weight: 800;
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  line-height: 1.08;
  margin: 0 0 var(--space-3);
}

.hero p.lead {
  font-size: 1.15rem;
  color: #cfd3cf;
  max-width: 46ch;
  margin: 0 0 var(--space-4);
}

.btn {
  display: inline-block;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1rem;
  padding: 0.9rem 1.6rem;
  border-radius: var(--radius);
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

.btn:active { transform: scale(0.98); }

.btn-primary {
  background: var(--mint);
  color: var(--anthrazit);
}

.btn-primary:hover { opacity: 0.9; }

.btn-secondary {
  background: transparent;
  color: var(--kiefer);
  border: 1.5px solid var(--kiefer);
}

.btn-secondary:hover { background: var(--kiefer); color: #fff; }

.on-dark .btn-secondary {
  color: var(--mint);
  border-color: var(--mint);
}

.on-dark .btn-secondary:hover { background: var(--mint); color: var(--anthrazit); }

/* ---- Sections ------------------------------------------------------------ */
section { padding: var(--space-5) 0; }

.section-head { max-width: 620px; margin: 0 auto var(--space-4); text-align: center; }
.section-head .label { display: block; margin-bottom: var(--space-1); }
.section-head h2 {
  font-weight: 700;
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  margin: 0 0 var(--space-2);
}
.section-head p { color: var(--fg-muted); margin: 0; }

/* ---- Rechner / Formular --------------------------------------------------- */
.calculator-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: var(--space-4);
  max-width: 680px;
  margin: 0 auto;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}

.form-grid .field-full { grid-column: 1 / -1; }

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

.field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 0.4rem;
}

.field input[type="number"],
.field input[type="email"],
.field input[type="text"],
.field select {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 1rem;
  padding: 0.75rem 0.85rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  color: var(--fg);
}

.field input:focus,
.field select:focus {
  outline: none;
  border-color: var(--kiefer);
}

.field-hint {
  font-size: 0.82rem;
  color: var(--fg-muted);
  margin-top: 0.3rem;
}

.field-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.92rem;
  color: var(--fg-muted);
}

.field-checkbox input { margin-top: 0.25rem; }

fieldset {
  border: none;
  padding: 0;
  margin: 0;
}

fieldset legend {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--kiefer);
  padding: 0;
  margin-bottom: var(--space-2);
  width: 100%;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.6rem;
}

.form-section + .form-section { margin-top: var(--space-4); }

.radio-group {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
}

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

.radio-card {
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem;
  cursor: pointer;
  text-align: center;
  font-size: 0.9rem;
  position: relative;
}

.radio-card input {
  position: absolute;
  opacity: 0;
}

.radio-card:has(input:checked) {
  border-color: var(--kiefer);
  background: rgba(36, 112, 90, 0.06);
  color: var(--kiefer);
  font-weight: 700;
}

.submit-row { margin-top: var(--space-4); }

.submit-row .btn { width: 100%; text-align: center; }

.consent { margin-top: var(--space-3); }

/* ---- Teaser / Ergebnis ---------------------------------------------------- */
.teaser {
  margin-top: var(--space-4);
  padding: var(--space-3);
  border-radius: var(--radius);
  background: var(--anthrazit);
  color: var(--papier);
  text-align: center;
  display: none;
}

.teaser.is-visible { display: block; }

.teaser .kcal-number {
  font-family: var(--font-mono);
  font-size: 2.6rem;
  color: var(--mint);
  font-weight: 500;
  line-height: 1;
  margin: 0.4rem 0;
}

.teaser p { margin: 0.3rem 0; color: #cfd3cf; font-size: 0.95rem; }

.form-status {
  margin-top: var(--space-3);
  padding: 0.9rem 1rem;
  border-radius: var(--radius);
  font-size: 0.92rem;
  display: none;
}

.form-status.is-visible { display: block; }

.form-status.status-error {
  background: #fbeae3;
  color: var(--signal);
  border: 1px solid rgba(180, 80, 42, 0.3);
}

.form-status.status-pending {
  background: rgba(36, 112, 90, 0.08);
  color: var(--kiefer);
  border: 1px solid rgba(36, 112, 90, 0.25);
}

/* ---- Über mich ------------------------------------------------------------- */
.about {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.about .container {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: var(--space-4);
  align-items: start;
}

@media (max-width: 640px) {
  .about .container { grid-template-columns: 1fr; }
}

.about-photo {
  width: 100%;
  aspect-ratio: 4 / 5;
  border-radius: 6px;
  background: var(--papier);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--fg-muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-align: center;
  padding: 1rem;
  overflow: hidden;
}

.about-photo img { width: 100%; height: 100%; object-fit: cover; }

.about h2 { margin-top: 0; }

.about-ctas {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: var(--space-3);
}

/* ---- Footer ----------------------------------------------------------------- */
.site-footer {
  background: var(--anthrazit);
  color: #b7bbb7;
  padding: var(--space-4) 0 var(--space-3);
  font-size: 0.85rem;
}

.site-footer a { color: var(--mint); }

.footer-links {
  display: flex;
  gap: 1.2rem;
  flex-wrap: wrap;
  margin-bottom: var(--space-2);
  list-style: none;
  padding: 0;
}

.footer-links a { text-decoration: none; }
.footer-links a:hover { text-decoration: underline; }

.footer-disclaimer {
  color: #8f938f;
  max-width: 70ch;
  font-size: 0.78rem;
  line-height: 1.6;
}

/* ---- Legal pages -------------------------------------------------------------- */
.legal-page { padding: var(--space-5) 0 var(--space-6); }
.legal-page .container { max-width: 760px; }
.legal-page h1 { font-size: 2rem; margin-bottom: 0.3rem; }
.legal-page .updated { font-family: var(--font-mono); font-size: 0.8rem; color: var(--fg-muted); margin-bottom: var(--space-4); display: block; }
.legal-page h2 { font-size: 1.2rem; margin-top: var(--space-4); }
.legal-page p, .legal-page li { color: #444; }
.legal-page .placeholder {
  background: #fff3e9;
  border: 1px dashed var(--signal);
  color: var(--signal);
  padding: 0.15rem 0.4rem;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 0.9em;
}

/* ---- Status/Confirmation pages ------------------------------------------------ */
.status-page {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-5) 0;
}

.status-page .container { max-width: 520px; }

.status-icon {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--kiefer);
  display: block;
  margin-bottom: var(--space-2);
}

.status-page h1 { font-size: 1.8rem; margin: 0 0 var(--space-2); }
.status-page p { color: var(--fg-muted); }

.spinner {
  display: inline-block;
  width: 22px; height: 22px;
  border: 3px solid var(--border);
  border-top-color: var(--kiefer);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: var(--space-2);
}

@keyframes spin { to { transform: rotate(360deg); } }