/* ============================================
   PROJEKTOVÝ KLUB — Editorial Minimalist Design
   Černobílý základ, barvy z loga jako střídmé akcenty
   ============================================ */

/* --- CSS Variables --- */
:root {
  --teal: #3DB88C;
  --teal-light: #E1F5EE;
  --teal-dark: #085041;
  --purple: #7B6BAA;
  --purple-light: #F5F4FA;
  --purple-dark: #3C3489;
  --ink: #111;
  --ink-mid: #444;
  --ink-soft: #777;
  --ink-faint: #aaa;
  --border: #e8e8e8;
  --border-light: #f2f2f2;
  --surface: #fafafa;
  --white: #fff;
  --font-body: 'Instrument Sans', sans-serif;
  --font-display: 'Newsreader', serif;
  --max-width: 960px;
  --radius: 6px;
  --transition: 0.2s ease;
}

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

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

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink-mid);
  background: var(--white);
}

a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--teal);
  text-underline-offset: 3px;
  transition: color var(--transition);
}
a:hover { color: var(--teal-dark); }

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

/* --- Header / Nav --- */
.site-header {
  background: var(--white);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-logo {
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--ink);
  padding: 0.75rem 0;
  display: flex;
  align-items: center;
}
.site-logo:hover { text-decoration: none; }

/* Hamburger */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  margin: 5px 0;
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.main-nav ul {
  list-style: none;
  display: flex;
  gap: 0;
}

.main-nav a {
  display: block;
  padding: 1rem 0.85rem;
  color: var(--ink-soft);
  font-size: 0.88rem;
  font-weight: 500;
  text-decoration: none;
  transition: color var(--transition), background var(--transition);
  border-bottom: 2px solid transparent;
}
.main-nav a:hover {
  color: var(--ink);
  background: var(--surface);
  text-decoration: none;
}
.main-nav a.active {
  color: var(--ink);
  border-bottom-color: var(--teal);
  text-decoration: none;
}

/* --- Page Header (replaces hero) --- */
.page-header {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3rem 1.5rem 0;
}

.eyebrow {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.page-header h1 {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--ink);
  line-height: 1.2;
  margin-bottom: 0.75rem;
}

.page-header .lede {
  font-size: 1.05rem;
  color: var(--ink-mid);
  line-height: 1.6;
  max-width: 680px;
  margin-bottom: 1.5rem;
}

/* --- Teal accent line --- */
.accent-line {
  width: 36px;
  height: 3px;
  background: var(--teal);
  margin-bottom: 0.75rem;
  border: none;
}

/* --- Chips / Badges --- */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.chip {
  display: inline-block;
  padding: 0.35rem 0.85rem;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 100px;
}

.chip-dark {
  background: var(--ink);
  color: var(--white);
}

.chip-outline {
  border: 1px solid var(--border);
  color: var(--ink-mid);
}

.chip-teal {
  border: 1px solid var(--teal);
  color: var(--teal-dark);
  background: var(--teal-light);
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: 0.7rem 1.75rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--teal);
  color: var(--white);
}
.btn-primary:hover {
  background: var(--teal-dark);
  color: var(--white);
  text-decoration: none;
  transform: translateY(-1px);
}

/* --- Main Content Area --- */
.content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2.5rem 1.5rem 3rem;
}

/* --- Section Label --- */
.section-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
  font-weight: 600;
  margin-bottom: 1rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-light);
}
.section-label:first-child { border-top: none; padding-top: 0; }

/* --- Section Titles --- */
.content h2 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 500;
  color: var(--ink);
  margin: 2.5rem 0 0.75rem;
  line-height: 1.3;
  letter-spacing: -0.01em;
}
.content h2:first-child { margin-top: 0; }

.content h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
  margin: 1.5rem 0 0.5rem;
}

/* --- Paragraphs, Lists --- */
.content p {
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.content ul, .content ol {
  margin: 0 0 1.25rem 1.5rem;
  font-size: 0.9rem;
}
.content li {
  margin-bottom: 0.35rem;
}

/* --- Cards / Boxes --- */
.card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 1.75rem;
  border: 1px solid var(--border);
  margin-bottom: 1.5rem;
}

.card h3 { margin-top: 0; }

/* --- Speaker Cards --- */
.speakers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  margin: 1rem 0 0;
}

.speaker-card {
  background: var(--surface);
  border-left: 3px solid var(--border);
  padding: 1.25rem 1.5rem;
  border-radius: 0 var(--radius) var(--radius) 0;
  transition: border-color var(--transition);
}
.speaker-card:hover { border-left-color: var(--teal); }
.speaker-card.purple:hover { border-left-color: var(--purple); }

.speaker-card .speaker-name {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--ink);
  margin-bottom: 0.15rem;
}

.speaker-card .speaker-role {
  font-size: 0.82rem;
  color: var(--ink-soft);
  margin-bottom: 0.5rem;
}

.speaker-card .speaker-talk {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 0.9rem;
  color: var(--ink-mid);
}

/* --- Program Steps --- */
.program-list {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
}

.program-list li {
  padding: 0.5rem 0;
  padding-left: 1.25rem;
  position: relative;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--border-light);
}
.program-list li:last-child { border-bottom: none; }

.program-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.85rem;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--teal);
}
.program-list li.purple::before { background: var(--purple); }
.program-list li.gray::before { background: var(--ink-faint); }

/* --- Topic Tags --- */
.topic-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 1rem 0 0;
}

.topic-tag {
  background: var(--surface);
  border: 1px solid var(--border-light);
  color: var(--ink-mid);
  padding: 0.3rem 0.75rem;
  border-radius: 100px;
  font-size: 0.8rem;
}

/* --- Info Table --- */
.info-table {
  margin: 1rem 0 0;
}

.info-table .info-row {
  display: flex;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-light);
  font-size: 0.9rem;
}
.info-table .info-row:last-child { border-bottom: none; }

.info-row .info-label {
  width: 140px;
  flex-shrink: 0;
  color: var(--ink-soft);
  font-weight: 500;
}

.info-row .info-value {
  color: var(--ink);
}

/* --- Medailonek (bio) --- */
.bio { margin: 1rem 0; }

.bio-name {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--ink);
  margin-bottom: 0.25rem;
  padding-left: 1rem;
  position: relative;
}
.bio-name::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.35rem;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal);
}
.bio-name.purple::before { background: var(--purple); }

.bio p {
  font-size: 0.88rem;
  color: var(--ink-mid);
}

/* --- CTA Block (dark registration) --- */
.cta-block {
  background: var(--ink);
  color: var(--white);
  padding: 2rem;
  border-radius: var(--radius);
  margin: 2rem 0;
}

.cta-block h3 {
  color: var(--white);
  margin-top: 0;
  margin-bottom: 0.5rem;
}

.cta-block p {
  color: rgba(255,255,255,0.75);
  font-size: 0.9rem;
}

.cta-block .btn-primary {
  margin-top: 0.5rem;
}

.cta-signature {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255,255,255,0.15);
  font-size: 0.88rem;
  color: rgba(255,255,255,0.6);
}
.cta-signature strong { color: var(--white); }

/* --- Stats Row (homepage) --- */
.stats-row {
  display: flex;
  justify-content: center;
  gap: 3rem;
  padding: 1.5rem 0 0.5rem;
  margin-bottom: 1rem;
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.2;
}

.stat-label {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
  font-weight: 600;
  margin-top: 0.15rem;
}

@media (max-width: 480px) {
  .stats-row { gap: 1.5rem; }
  .stat-number { font-size: 1.5rem; }
}

/* --- Benefits Grid (homepage) --- */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}

.benefit-item {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-top: 3px solid var(--teal);
}

.benefit-item h3 {
  font-size: 0.95rem;
  margin: 0 0 0.35rem;
  color: var(--ink);
}

.benefit-item p {
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin: 0;
}

/* --- Upcoming Events (homepage) --- */
.events-list {
  margin: 1.5rem 0;
}

.event-item {
  display: flex;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border-light);
  align-items: flex-start;
}
.event-item:last-child { border-bottom: none; }

.event-badge {
  flex-shrink: 0;
  padding: 0.3rem 0.75rem;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.event-badge.online {
  background: var(--teal-light);
  color: var(--teal-dark);
}
.event-badge.praha {
  background: var(--purple-light);
  color: var(--purple-dark);
}
.event-badge.ostrava {
  background: var(--surface);
  color: var(--ink-mid);
  border: 1px solid var(--border);
}

.event-detail h3 {
  font-size: 0.95rem;
  margin: 0 0 0.15rem;
  font-weight: 600;
}
.event-detail h3 a {
  text-decoration-color: var(--teal);
}
.event-detail p {
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin: 0;
}

/* --- Highlight Box --- */
.highlight-box {
  background: var(--white);
  border-left: 3px solid var(--teal);
  padding: 1.25rem 1.5rem;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 1.5rem 0;
  border: 1px solid var(--border);
  border-left: 3px solid var(--teal);
}

/* --- Contact Info --- */
.contact-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.5rem 1.5rem;
}
.contact-label {
  font-weight: 600;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

/* --- SmartEmailing Form Wrapper --- */
.form-wrapper {
  max-width: 440px;
  margin: 1.5rem 0;
}

.form-wrapper .se-webform {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-body);
  padding: 0;
  width: 100% !important;
}

.form-wrapper .se-webform .se-body ul {
  list-style: none;
  margin: 0;
  padding: 1rem 1.5rem;
}

.form-wrapper .se-webform .se-body ul li {
  margin: 0;
  padding: 0.5rem 0;
}

.form-wrapper .se-webform .se-body ul li label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 0.25rem;
}

.form-wrapper .se-webform .se-body ul li label.se-required::after {
  content: " *";
  color: var(--teal);
}

.form-wrapper .se-webform .se-body ul li label.se-checkbox {
  font-weight: 400;
  font-size: 0.88rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  padding: 0.15rem 0;
}

.form-wrapper .se-webform .se-body ul li label.se-checkbox input {
  margin: 0;
}

.form-wrapper .se-webform .se-body ul li input[type="text"],
.form-wrapper .se-webform .se-body ul li input[type="email"] {
  width: 100%;
  padding: 0.55rem 0.75rem;
  font-size: 0.9rem;
  font-family: var(--font-body);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--ink);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-wrapper .se-webform .se-body ul li input[type="text"]:focus,
.form-wrapper .se-webform .se-body ul li input[type="email"]:focus {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(61, 184, 140, 0.12);
}

.form-wrapper .se-submit {
  padding: 0.5rem 1.5rem 1.5rem;
  text-align: left;
}

.form-wrapper .se-submit button {
  background: var(--teal);
  color: var(--white);
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.65rem 1.75rem;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}
.form-wrapper .se-submit button:hover {
  background: var(--teal-dark);
  transform: translateY(-1px);
}

/* --- Person Card (medailonek) --- */
/* --- Photo Mira Vlach --- */
.photo-mira {
  display: block;
  max-width: 300px;
  margin: 1.5rem auto;
  border-radius: var(--radius);
}

/* --- Gallery Grid --- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.5rem;
  margin: 1.5rem 0;
}

.gallery-grid img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: var(--radius);
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
}

.gallery-grid img:hover {
  transform: scale(1.03);
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
}

/* --- History List --- */
.history-list {
  columns: 1;
  margin: 1rem 0;
}

.history-list li {
  font-size: 0.85rem;
  padding: 0.3rem 0;
  break-inside: avoid;
  color: var(--ink-mid);
}

/* --- No-event card --- */
.no-event {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

/* --- Footer --- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem 1.5rem;
  margin-top: 3rem;
  text-align: center;
  font-size: 0.82rem;
  color: var(--ink-faint);
}

.site-footer a {
  color: var(--ink-soft);
  text-decoration-color: var(--border);
}
.site-footer a:hover { color: var(--ink); }

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.footer-inner p {
  margin-bottom: 0.35rem;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .nav-toggle { display: block; }

  .main-nav {
    display: block;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: 0 8px 32px rgba(0,0,0,0.08);
    border-bottom: 1px solid var(--border);
  }
  .main-nav.open { max-height: 400px; }

  .main-nav ul {
    flex-direction: column;
  }
  .main-nav a {
    padding: 0.75rem 1.5rem;
    border-bottom: 1px solid var(--border-light);
  }

  .page-header { padding: 2rem 1.5rem 0; }
  .page-header h1 { font-size: 1.75rem; }

  .content { padding: 1.5rem 1rem 2.5rem; }


  .speakers-grid { grid-template-columns: 1fr; }

  .info-row .info-label { width: 110px; }

  .chips { gap: 0.35rem; }

  .history-list { columns: 1; }
}

@media (min-width: 900px) {
  .history-list { columns: 2; column-gap: 2rem; }
}

/* --- Utility --- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: 2rem; }
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}