/* ─────────────────────────────────────────────────────────────
   ad-hd.cz — lean / Naked-Minds-inspired
   Velký prostor, fotky, jedno setkání jako hrdina.
───────────────────────────────────────────────────────────── */

:root {
  --bg: #0e0c0a;
  --bg-2: #181513;
  --bg-3: #221d1a;
  --ink: #f5efe3;
  --ink-dim: rgba(245, 239, 227, 0.78);
  --ink-muted: rgba(245, 239, 227, 0.48);
  --rule: rgba(245, 239, 227, 0.14);
  --rule-strong: rgba(245, 239, 227, 0.30);
  --accent: #d56b3e;
  --accent-glow: #ec8e5e;

  --serif: "Instrument Serif", "Times New Roman", serif;
  --sans: "Geist", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;

  --maxw: 1280px;
  --gutter: clamp(20px, 4vw, 56px);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  font-weight: 400;
}

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

h1, h2, h3, h4 { margin: 0; font-weight: 400; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; padding: 0; }

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
  position: relative;
}

.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.eyebrow .dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  margin-right: 8px;
  vertical-align: middle;
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.italic { font-style: italic; }
.serif { font-family: var(--serif); }
.mono  { font-family: var(--mono); }

/* ─── NAV ─────────────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(14, 12, 10, 0.85);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid var(--rule);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px var(--gutter);
  max-width: var(--maxw);
  margin: 0 auto;
}
.brand {
  font-family: var(--serif);
  font-size: 26px;
  letter-spacing: -0.01em;
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
}
.brand .slash { color: var(--accent); font-style: italic; }
.nav-links {
  display: flex;
  gap: 28px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.nav-links a { color: var(--ink-dim); transition: color 0.2s; }
.nav-links a:hover { color: var(--accent); }
.nav-cta {
  font-size: 13px;
  font-weight: 500;
  padding: 10px 18px;
  border: 1px solid var(--rule-strong);
  border-radius: 999px;
  transition: all 0.2s;
}
.nav-cta:hover { background: var(--accent); border-color: var(--accent); color: var(--bg); }

@media (max-width: 760px) {
  .nav-links { display: none; }
}

/* ─── HERO ────────────────────────────────────────────────── */
.hero {
  padding: clamp(56px, 9vw, 140px) 0 clamp(48px, 6vw, 96px);
}
.hero h1 {
  font-family: var(--serif);
  font-size: clamp(56px, 10vw, 156px);
  line-height: 0.95;
  letter-spacing: -0.02em;
  margin: 28px 0 0;
}
.hero h1 .accent { color: var(--accent); font-style: italic; }
.hero-sub {
  max-width: 56ch;
  margin-top: 36px;
  font-size: clamp(18px, 1.5vw, 22px);
  line-height: 1.5;
  color: var(--ink);
}
.hero-sub p { margin: 0 0 18px; }
.hero-sub p:last-child { margin-bottom: 0; }
.hero-sub strong { color: var(--ink); font-weight: 500; }

.hero-actions {
  margin-top: 44px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  align-items: center;
}
.hero-meta-strip {
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-dim);
  display: flex;
  flex-wrap: wrap;
  gap: 16px 32px;
  align-items: center;
}
.hero-meta-strip .sep { color: var(--accent); }

/* ─── BUTTONS ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 18px 28px;
  border-radius: 999px;
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -0.005em;
  transition: all 0.2s ease;
  cursor: pointer;
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn .arrow { width: 16px; height: 16px; display: inline-flex; }
.btn-primary {
  background: var(--accent);
  color: #14100c;
  box-shadow: 0 18px 40px -12px rgba(213, 107, 62, 0.55);
}
.btn-primary:hover {
  background: var(--accent-glow);
  transform: translateY(-1px);
  box-shadow: 0 22px 50px -10px rgba(236, 142, 94, 0.65);
}
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--rule-strong);
}
.btn-ghost:hover {
  border-color: var(--ink);
  background: rgba(245, 239, 227, 0.04);
}

/* ─── PHOTO STRIP ────────────────────────────────────────── */
.strip {
  padding: clamp(40px, 5vw, 80px) 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  background: var(--bg-2);
}
.strip-inner {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}
@media (max-width: 980px) { .strip-inner { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 540px) { .strip-inner { grid-template-columns: repeat(2, 1fr); } }
.tile {
  position: relative;
  aspect-ratio: 3 / 4;
  border-radius: 8px;
  overflow: hidden;
  background:
    repeating-linear-gradient(135deg,
      rgba(245, 239, 227, 0.06) 0 1px,
      transparent 1px 14px),
    var(--bg-3);
  display: flex;
  align-items: flex-end;
  padding: 14px;
  border: 1px solid var(--rule);
}
.tile .caption {
  font-family: var(--serif);
  font-style: italic;
  font-size: 22px;
  line-height: 1;
  color: var(--ink);
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.6);
}
.strip-foot {
  margin-top: 24px;
  text-align: center;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

/* ─── SECTION ─────────────────────────────────────────────── */
.section {
  padding: clamp(72px, 10vw, 144px) 0;
  border-bottom: 1px solid var(--rule);
}
.section-tag {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 28px;
}
.section h2 {
  font-family: var(--serif);
  font-size: clamp(40px, 6.5vw, 96px);
  line-height: 0.96;
  letter-spacing: -0.02em;
  max-width: 18ch;
}
.section h2 em { color: var(--accent); }
.section-lede {
  margin-top: 32px;
  max-width: 56ch;
  font-size: clamp(18px, 1.3vw, 20px);
  line-height: 1.55;
  color: var(--ink);
}
.section-lede + .section-lede { margin-top: 18px; color: var(--ink-dim); }

/* ─── EVENT CARD (one setkání) ────────────────────────────── */
.event {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(28px, 4vw, 64px);
  margin-top: clamp(48px, 6vw, 80px);
  align-items: stretch;
}
@media (max-width: 900px) { .event { grid-template-columns: 1fr; } }

.event-main {
  padding: clamp(28px, 3vw, 44px);
  background: var(--bg-2);
  border: 1px solid var(--rule);
  border-radius: 6px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.event-when {
  font-family: var(--serif);
  font-size: clamp(44px, 5.5vw, 72px);
  line-height: 0.98;
  letter-spacing: -0.02em;
}
.event-when em { color: var(--accent); }
.event-rows {
  display: grid;
  gap: 0;
}
.event-row {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 24px;
  padding: 18px 0;
  border-top: 1px solid var(--rule);
  align-items: baseline;
}
.event-row:first-child { border-top: 0; padding-top: 0; }
.event-row .k {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.event-row .v {
  font-size: 17px;
  line-height: 1.45;
  color: var(--ink);
}
.event-row .v strong { font-weight: 500; }

.event-aside {
  padding: clamp(28px, 3vw, 44px);
  border: 1px solid var(--rule);
  border-radius: 6px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  justify-content: space-between;
}
.event-aside h3 {
  font-family: var(--serif);
  font-size: clamp(28px, 3vw, 42px);
  line-height: 1.05;
  letter-spacing: -0.01em;
}
.event-aside h3 em { color: var(--accent); }
.event-aside .next-dates {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
.next-date {
  padding: 14px 10px;
  border: 1px solid var(--rule);
  border-radius: 6px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  align-items: center;
  text-align: center;
}
.next-date.now {
  background: var(--accent);
  color: #14100c;
  border-color: var(--accent);
}
.next-date .d {
  font-family: var(--serif);
  font-size: 32px;
  line-height: 1;
  letter-spacing: -0.02em;
}
.next-date .m {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.next-date.now .m { color: rgba(20, 16, 12, 0.7); }

/* ─── BULLETS ─────────────────────────────────────────────── */
.bullets {
  margin-top: clamp(48px, 6vw, 80px);
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border-top: 1px solid var(--rule);
}
@media (max-width: 760px) { .bullets { grid-template-columns: 1fr; } }
.bullet {
  padding: 28px 32px 28px 0;
  border-bottom: 1px solid var(--rule);
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 16px;
  align-items: start;
}
.bullet:nth-child(odd) { padding-right: 48px; border-right: 1px solid var(--rule); }
.bullet:nth-child(even) { padding-left: 32px; }
@media (max-width: 760px) {
  .bullet:nth-child(odd) { border-right: 0; padding-right: 0; }
  .bullet:nth-child(even) { padding-left: 0; }
}
.bullet .arrow {
  font-family: var(--serif);
  font-style: italic;
  font-size: 28px;
  line-height: 1;
  color: var(--accent);
}
.bullet h4 {
  font-family: var(--serif);
  font-size: clamp(22px, 2.2vw, 32px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
}
.bullet p {
  font-size: 16px;
  line-height: 1.5;
  color: var(--ink-dim);
  max-width: 42ch;
}

/* ─── FOR WHOM ────────────────────────────────────────────── */
.who {
  margin-top: clamp(40px, 5vw, 72px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 4vw, 64px);
}
@media (max-width: 760px) { .who { grid-template-columns: 1fr; } }
.who h3 {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 16px;
}
.who h3.warn { color: var(--accent); }
.who ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 14px; }
.who li {
  font-size: 17px;
  line-height: 1.45;
  color: var(--ink);
  padding-left: 28px;
  position: relative;
}
.who li::before {
  content: '+';
  position: absolute;
  left: 0;
  top: 1px;
  color: var(--accent);
  font-family: var(--serif);
  font-size: 22px;
  font-style: italic;
  line-height: 1;
}
.who.not li::before { content: '–'; }

/* ─── AKRASIA (lean) ──────────────────────────────────────── */
.akrasia-lean {
  margin-top: clamp(48px, 6vw, 80px);
  padding: clamp(28px, 4vw, 56px);
  background: var(--bg-2);
  border: 1px solid var(--rule);
  border-radius: 6px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(24px, 3vw, 48px);
  align-items: center;
}
@media (max-width: 760px) { .akrasia-lean { grid-template-columns: 1fr; } }
.akrasia-lockup {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 32px;
  border: 1px solid var(--rule);
  border-radius: 6px;
  background: var(--bg);
  align-items: center;
  min-width: 220px;
}
.akrasia-lockup .kind {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.akrasia-lockup .name {
  font-family: var(--serif);
  font-size: 38px;
  font-style: italic;
  letter-spacing: -0.01em;
  line-height: 1;
}
.akrasia-lockup .meta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-dim);
}
.akrasia-text p {
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink);
  max-width: 56ch;
}
.akrasia-text p + p { margin-top: 12px; color: var(--ink-dim); }
.akrasia-text a.more {
  display: inline-flex;
  margin-top: 18px;
  font-size: 13px;
  font-family: var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  border-bottom: 1px solid var(--accent);
  padding-bottom: 2px;
}

/* ─── CTA FINAL ───────────────────────────────────────────── */
.cta {
  padding: clamp(72px, 10vw, 144px) 0;
  border-bottom: 1px solid var(--rule);
  text-align: center;
}
.cta .section-tag { display: inline-block; margin-bottom: 24px; }
.cta h2 {
  font-family: var(--serif);
  font-size: clamp(48px, 9vw, 144px);
  line-height: 0.95;
  letter-spacing: -0.02em;
  max-width: none;
  margin: 0 auto;
}
.cta h2 em { color: var(--accent); }
.cta-meta {
  margin: 32px 0 32px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-dim);
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.cta-meta .sep { color: var(--accent); }
.cta .btn { font-size: 16px; padding: 22px 36px; }

/* ─── FOOTER ──────────────────────────────────────────────── */
.foot {
  padding: 40px 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.foot-inner {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.foot a { color: var(--ink-dim); }
.foot a:hover { color: var(--accent); }

/* ─── CALL CARD (copy=call mode) ──────────────────────────── */
.call-card {
  margin-top: clamp(40px, 5vw, 64px);
  padding: clamp(28px, 3vw, 44px);
  background: var(--bg-2);
  border: 1px solid var(--accent);
  border-radius: 6px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0 clamp(28px, 4vw, 56px);
  align-items: start;
}
@media (max-width: 760px) { .call-card { grid-template-columns: 1fr; } }
.call-meta {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 20px;
  padding: 18px 0;
  border-top: 1px solid var(--rule);
  align-items: baseline;
}
.call-meta:first-child,
.call-meta:nth-child(2) { border-top: 0; padding-top: 0; }
@media (max-width: 760px) {
  .call-meta:nth-child(2) { border-top: 1px solid var(--rule); padding-top: 18px; }
}
.call-meta-k {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.call-meta-v {
  font-size: 17px;
  line-height: 1.45;
  color: var(--ink);
}
.call-meta-v strong { font-weight: 500; }
.call-card .btn {
  grid-column: 1 / -1;
  justify-self: start;
  margin-top: 16px;
}

.event-tip {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--ink-muted);
  text-transform: uppercase;
}

/* ─── FAQ ─────────────────────────────────────────────────── */
.faq-list {
  margin-top: clamp(40px, 5vw, 64px);
  border-top: 1px solid var(--rule-strong);
}
.faq-item {
  border-bottom: 1px solid var(--rule);
  cursor: pointer;
  padding: 0;
}
.faq-q {
  padding: 26px 0;
  display: grid;
  grid-template-columns: 1fr 36px;
  gap: 20px;
  align-items: center;
}
.faq-q-text {
  font-family: var(--serif);
  font-size: clamp(22px, 2.4vw, 32px);
  line-height: 1.15;
  letter-spacing: -0.01em;
}
.faq-toggle {
  justify-self: end;
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid var(--rule-strong);
  display: grid; place-items: center;
  font-family: var(--serif);
  font-size: 22px; line-height: 1;
  color: var(--ink-dim);
  transition: all 0.2s;
}
.faq-item.open .faq-toggle {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg);
  transform: rotate(180deg);
}
.faq-a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.3s ease;
}
.faq-a > div {
  overflow: hidden;
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink-dim);
  max-width: 64ch;
}
.faq-item.open .faq-a { grid-template-rows: 1fr; }
.faq-item.open .faq-a > div { padding: 0 0 28px; }

/* ─── LIGHT THEME ─────────────────────────────────────────── */
body.theme-light {
  --bg: #f1eadb;
  --bg-2: #e7decb;
  --bg-3: #ddd2bc;
  --ink: #14100c;
  --ink-dim: rgba(20, 16, 12, 0.78);
  --ink-muted: rgba(20, 16, 12, 0.48);
  --rule: rgba(20, 16, 12, 0.14);
  --rule-strong: rgba(20, 16, 12, 0.28);
}
body.theme-light .nav { background: rgba(241, 234, 219, 0.85); }
body.theme-light .btn-primary { color: #f5efe3; box-shadow: 0 18px 40px -12px rgba(213, 107, 62, 0.4); }
body.theme-light .next-date.now { color: #f5efe3; }
body.theme-light .next-date.now .m { color: rgba(245, 239, 227, 0.7); }