/* ============================================================
   NEVIDITELNÉ BRZDY — Hlavní styly
   Mobile-first, empatický design
   ============================================================ */

/* --- CSS Variables --- */
:root {
  --color-bg: #FDFAF6;
  --color-bg-alt: #F7F3EE;
  --color-bg-card: #FFFFFF;
  --color-text: #2D2926;
  --color-text-light: #6B6560;
  --color-text-muted: #9B9590;
  --color-border: #E8E2DC;
  --color-border-light: #F0ECE7;

  --color-primary: #C0392B;
  --color-primary-light: #E74C3C;
  --color-primary-dark: #922B21;

  --color-odvaha: #E74C3C;
  --color-sebevedomi: #F39C12;
  --color-hranice: #27AE60;
  --color-disciplina: #F1C40F;

  --color-green: #27AE60;
  --color-orange: #F39C12;
  --color-red: #E74C3C;
  --color-dark-red: #922B21;

  --font-heading: 'DM Sans', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
  --shadow-xl: 0 16px 50px rgba(0,0,0,0.15);

  --max-width: 720px;
  --max-width-wide: 960px;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  min-height: 100vh;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: opacity 0.2s; }
a:hover { opacity: 0.8; }

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-text);
}

h1 { font-size: clamp(1.8rem, 5vw, 2.8rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.4rem, 4vw, 2rem); letter-spacing: -0.01em; }
h3 { font-size: clamp(1.1rem, 3vw, 1.4rem); }
h4 { font-size: 1.1rem; }

p { margin-bottom: 1rem; }

.text-muted { color: var(--color-text-muted); }
.text-light { color: var(--color-text-light); }
.text-center { text-align: center; }
.text-small { font-size: 0.875rem; }

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.container-wide {
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.section {
  padding: 3rem 0;
}

.section-lg {
  padding: 4rem 0;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  border: none;
  border-radius: var(--radius-xl);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  line-height: 1.4;
}

.btn-primary {
  background: var(--color-primary);
  color: white;
  box-shadow: 0 4px 15px rgba(192, 57, 43, 0.3);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(192, 57, 43, 0.4);
  opacity: 1;
}

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
  background: var(--color-primary);
  color: white;
  opacity: 1;
}

.btn-lg {
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
}

.btn-block {
  display: flex;
  width: 100%;
}

/* --- Cards --- */
.card {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
  transition: all 0.3s ease;
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card-flat {
  box-shadow: none;
  border: 1px solid var(--color-border);
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(253, 250, 246, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border-light);
  padding: 0.75rem 0;
}

.nav-inner {
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: 0 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-text);
}

.nav-logo span { color: var(--color-primary); }

.nav-cta {
  padding: 0.5rem 1.25rem;
  font-size: 0.875rem;
  border-radius: var(--radius-xl);
  background: var(--color-primary);
  color: white;
  font-weight: 600;
  transition: all 0.2s;
}

.nav-cta:hover { background: var(--color-primary-dark); opacity: 1; }

/* --- Hero --- */
.hero {
  padding: 6rem 0 3rem;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  padding: 0.4rem 1rem;
  background: var(--color-bg-alt);
  border-radius: var(--radius-xl);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
}

.hero h1 {
  margin-bottom: 1rem;
}

.hero-sub {
  font-size: clamp(1.05rem, 2.5vw, 1.25rem);
  color: var(--color-text-light);
  max-width: 540px;
  margin: 0 auto 2rem;
  line-height: 1.6;
}

/* --- Progress Bar --- */
.progress-wrapper {
  position: sticky;
  top: 52px;
  z-index: 50;
  background: rgba(253, 250, 246, 0.95);
  backdrop-filter: blur(10px);
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid var(--color-border-light);
}

.progress-bar {
  width: 100%;
  height: 6px;
  background: var(--color-border);
  border-radius: 3px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
  border-radius: 3px;
  transition: width 0.4s ease;
}

.progress-text {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-align: center;
  margin-top: 0.4rem;
}

/* --- Test Question --- */
.question-container {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.25rem;
}

.question-section-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
}

.question-number {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.question-text {
  font-family: var(--font-heading);
  font-size: clamp(1.2rem, 3.5vw, 1.6rem);
  font-weight: 600;
  text-align: center;
  max-width: 600px;
  margin-bottom: 2rem;
  line-height: 1.4;
}

.answer-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0.5rem;
  width: 100%;
  max-width: 420px;
}

.answer-btn {
  aspect-ratio: 1;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-card);
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-text);
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.answer-btn:hover {
  border-color: var(--color-primary);
  background: #FEF2F0;
  transform: scale(1.05);
}

.answer-btn.selected {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: white;
}

.answer-labels {
  display: flex;
  justify-content: space-between;
  width: 100%;
  max-width: 420px;
  margin-top: 0.5rem;
}

.answer-labels span {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  max-width: 80px;
  text-align: center;
}

/* --- Section Break (between test sections) --- */
.section-break {
  min-height: 50vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
}

.section-break-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.section-break h3 {
  margin-bottom: 0.5rem;
}

.section-break p {
  color: var(--color-text-light);
  max-width: 400px;
}

/* --- Results --- */
.result-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 1rem;
  border-left: 4px solid;
  box-shadow: var(--shadow-sm);
}

.result-card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.result-card-icon {
  font-size: 1.8rem;
}

.result-card-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
}

.result-card-motto {
  font-style: italic;
  font-size: 0.9rem;
  color: var(--color-text-light);
}

.result-score {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.result-score-bar {
  flex: 1;
  height: 8px;
  background: var(--color-border);
  border-radius: 4px;
  overflow: hidden;
}

.result-score-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 1s ease;
}

.result-score-value {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  min-width: 45px;
  text-align: right;
}

.result-level {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-xl);
  font-size: 0.8rem;
  font-weight: 600;
  color: white;
}

/* --- Chart --- */
.chart-container {
  width: 100%;
  max-width: 500px;
  margin: 0 auto;
  aspect-ratio: 1;
}

/* --- Zone Cards --- */
.zone-card {
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 1rem;
  border: 1px solid var(--color-border-light);
  transition: all 0.3s;
  cursor: pointer;
}

.zone-card:hover {
  box-shadow: var(--shadow-md);
}

.zone-card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.zone-card-icon {
  font-size: 1.5rem;
}

.zone-card-title {
  font-family: var(--font-heading);
  font-weight: 700;
}

.zone-card-subtitle {
  font-size: 0.85rem;
  color: var(--color-text-light);
}

/* --- Pattern Detail --- */
.pattern-hero {
  padding: 5rem 0 2rem;
  text-align: center;
}

.pattern-icon-large {
  font-size: 4rem;
  margin-bottom: 1rem;
}

.pattern-motto {
  font-style: italic;
  font-size: 1.15rem;
  color: var(--color-text-light);
  margin-top: 0.5rem;
}

.detail-section {
  padding: 2rem 0;
  border-bottom: 1px solid var(--color-border-light);
}

.detail-section:last-child { border-bottom: none; }

.detail-section-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: 0.75rem;
}

.symptom-card {
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-bottom: 0.75rem;
}

.symptom-card h4 {
  margin-bottom: 0.5rem;
}

.symptom-card p {
  font-size: 0.95rem;
  color: var(--color-text-light);
  margin-bottom: 0;
}

.symptom-card .psychology {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-style: italic;
  margin-top: 0.5rem;
  margin-bottom: 0;
}

/* --- Remedy Cards --- */
.remedy-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 1rem;
}

.remedy-header {
  display: flex;
  justify-content: space-between;
  align-items: start;
  margin-bottom: 0.75rem;
}

.remedy-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.05rem;
}

.remedy-meta {
  display: flex;
  gap: 0.5rem;
}

.remedy-badge {
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-xl);
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--color-bg-alt);
  color: var(--color-text-light);
}

/* --- Email Gate --- */
.email-gate {
  max-width: 460px;
  margin: 0 auto;
  text-align: center;
  padding: 3rem 1.25rem;
}

.email-gate h2 {
  margin-bottom: 0.75rem;
}

.email-gate p {
  color: var(--color-text-light);
  margin-bottom: 2rem;
}

.form-group {
  margin-bottom: 1rem;
  text-align: left;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--color-text);
}

.form-input {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text);
  background: var(--color-bg-card);
  transition: border-color 0.2s;
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin: 1rem 0;
  text-align: left;
}

.form-checkbox input {
  margin-top: 0.25rem;
  accent-color: var(--color-primary);
}

.form-checkbox label {
  font-size: 0.85rem;
  color: var(--color-text-light);
  line-height: 1.5;
}

.skip-link {
  display: block;
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  cursor: pointer;
}

.skip-link:hover {
  color: var(--color-text-light);
}

/* --- CTA Section --- */
.cta-section {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  border-radius: var(--radius-xl);
  padding: 2.5rem 1.5rem;
  text-align: center;
  color: white;
  margin: 2rem 0;
}

.cta-section h2 {
  color: white;
  margin-bottom: 1rem;
}

.cta-section p {
  opacity: 0.9;
  margin-bottom: 1.5rem;
}

.cta-section .btn {
  background: white;
  color: var(--color-primary);
}

.cta-section .btn:hover {
  background: var(--color-bg);
  transform: translateY(-2px);
}

/* --- Footer --- */
.footer {
  padding: 2rem 0;
  text-align: center;
  border-top: 1px solid var(--color-border-light);
  margin-top: 3rem;
}

.footer p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.footer a {
  color: var(--color-text-light);
}

/* --- Animations --- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Utility --- */
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }

.hidden { display: none !important; }

/* --- Responsive --- */
@media (min-width: 640px) {
  .section { padding: 4rem 0; }
  .section-lg { padding: 5rem 0; }
  .hero { padding: 7rem 0 4rem; }
  .card { padding: 2rem; }
  .answer-grid { gap: 0.75rem; }
}

@media (min-width: 960px) {
  .hero { padding: 8rem 0 5rem; }
}