/* ====== Minimal, independent design system (serif-ish, luxury, modern) ====== */
:root{
  --bg: #0b0c0f;
  --card: rgba(10, 10, 12, 0.62);
  --card2: rgba(12, 12, 14, 0.78);
  --stroke: rgba(255,255,255,0.12);
  --stroke2: rgba(255,255,255,0.18);
  --text: rgba(255,255,255,0.92);
  --muted: rgba(255,255,255,0.68);
  --muted2: rgba(255,255,255,0.52);
  --accent: rgba(255,255,255,0.92);
  --danger: rgba(255, 120, 120, 0.95);

  --radius: 22px;
  --radius2: 14px;

  --shadow: 0 18px 55px rgba(0,0,0,0.55);
  --shadow2: 0 10px 30px rgba(0,0,0,0.45);

  --pad: 26px;
  --pad2: 18px;

  --max: 980px;
}

/* Use a serif-forward stack without importing external fonts */
html, body { height: 100%; }
body{
  margin: 0;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;

  font-family: ui-serif, "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
  letter-spacing: 0.2px;
}

a{ color: var(--text); text-decoration: none; border-bottom: 1px solid rgba(255,255,255,0.22); }
a:hover{ border-bottom-color: rgba(255,255,255,0.55); }

.shell{
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 56px 18px;
  position: relative;
  z-index: 2;
}

.card{
  width: min(720px, 92vw);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--card), var(--card2));
  border: 1px solid var(--stroke);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  overflow: hidden;
}

.header{
  padding: 28px var(--pad);
  border-bottom: 1px solid var(--stroke);
}

.eyebrow{
  margin: 0 0 10px 0;
  font-size: 13px;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  color: var(--muted2);
  display: flex;
  gap: 10px;
  align-items: center;
}
.eyebrow__label{
  border: 1px solid var(--stroke);
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.04);
}
.eyebrow__dot{ opacity: 0.5; }

.title{
  margin: 0 0 16px 0;
  font-weight: 560;
  font-size: clamp(28px, 4.6vw, 40px);
  line-height: 1.12;
}
.title__date{
  font-weight: 420;
  color: var(--muted);
}
.title__by{
  margin-top: .25rem;
  font-size: .9rem;
  font-style: italic;
  opacity: .8;
}

.meta{
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: 12px;
}
@media (min-width: 640px){
  .meta{ grid-template-columns: 1fr 1fr 1.4fr; }
}
.meta__item{
  border: 1px solid var(--stroke);
  border-radius: var(--radius2);
  padding: 10px 12px;
  background: rgba(255,255,255,0.03);
}
.meta__item--full{
  grid-column: 1 / -1;
}
.meta__k{
  display: block;
  font-size: 12px;
  color: var(--muted2);
  letter-spacing: 0.6px;
  text-transform: uppercase;
}
.meta__v{
  display: block;
  margin-top: 6px;
  font-size: 15px;
  color: var(--text);
}
.meta__v--bullets{
  display: block;
  margin-top: .5rem;
  line-height: 1.6;
}
.meta__v--bullets span{
  display: block;
  margin-bottom: .25rem;
}

.form{
  padding: 22px var(--pad);
}

.choices{
  display: grid;
  gap: 10px;
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--stroke);
}

.check{
  display: flex;
  gap: 12px;
  align-items: center;
  cursor: pointer;
  user-select: none;
}
.check input{
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.check__box{
  width: 18px;
  height: 18px;
  border-radius: 6px;
  border: 1px solid var(--stroke2);
  background: rgba(255,255,255,0.03);
  box-shadow: 0 6px 18px rgba(0,0,0,0.35) inset;
  display: grid;
  place-items: center;
}
.check__box::after{
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 3px;
  background: rgba(255,255,255,0.92);
  transform: scale(0);
  transition: transform 140ms ease;
}
.check input:checked + .check__box::after{
  transform: scale(1);
}
.check__text{
  font-size: 15px;
}

.grid{
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
}
@media (min-width: 720px){
  .grid{ grid-template-columns: 1fr 1fr; }
  .field--full{ grid-column: 1 / -1; }
}

.field label{
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 8px;
  letter-spacing: 0.4px;
}

/* ===== INPUT + SELECT sjednocení ===== */
.field input,
.field select{
  width: 100%;
  box-sizing: border-box;
  border-radius: 14px;
  border: 1px solid var(--stroke);
  background: rgba(255,255,255,0.03);
  color: var(--text);
  padding: 12px 12px;
  font-size: 16px;
  outline: none;
  transition: border-color 140ms ease, box-shadow 140ms ease;
}

.field select{
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
}

.field input:focus,
.field select:focus{
  border-color: rgba(255,255,255,0.28);
  box-shadow: 0 0 0 4px rgba(255,255,255,0.06);
}

.field input.is-invalid{
  border-color: rgba(255,120,120,0.58);
  box-shadow: 0 0 0 4px rgba(255,120,120,0.10);
}

/* === ADDED: select invalid state (so "intent" looks required like other fields) === */
.field select.is-invalid{
  border-color: rgba(255,120,120,0.58);
  box-shadow: 0 0 0 4px rgba(255,120,120,0.10);
}

.hint{
  margin: 8px 0 0 0;
  min-height: 16px;
  font-size: 12px;
  color: rgba(255,120,120,0.92);
}

.gdpr{
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--stroke);
}
.check--gdpr .check__text{
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.actions{
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.btn{
  appearance: none;
  border: 1px solid rgba(255,255,255,0.20);
  border-radius: 999px;
  padding: 12px 16px;
  font-size: 14px;
  letter-spacing: 0.7px;
  text-transform: uppercase;
  color: rgba(10,10,12,0.92);
  background: rgba(255,255,255,0.88);
  cursor: pointer;
  box-shadow: var(--shadow2);
}

.footer{
  padding: 18px var(--pad) 22px var(--pad);
}

/* ===== Background ===== */
.bg{
  position: fixed;
  inset: 0;
  z-index: 0;
}
.bg__image{
  position: absolute;
  inset: -6vh -6vw;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}
.bg__overlay{
  position: absolute;
  inset: 0;
  background: radial-gradient(1200px 700px at 50% 20%,
    rgba(0,0,0,0.12), rgba(0,0,0,0.72) 70%, rgba(0,0,0,0.86));
}
.bg__vignette{
  position: absolute;
  inset: 0;
  box-shadow: inset 0 0 180px rgba(0,0,0,0.72);
}
.bg__grain{
  position: absolute;
  inset: 0;
  opacity: 0.14;
}

/* ===== Modal ===== */
.modal{
  position: fixed;
  inset: 0;
  z-index: 50;
  display: none;
}
.modal.is-open{ display: block; }
.modal__panel{
  position: absolute;
  left: 50%;
  top: 50%;
  width: min(520px, 92vw);
  transform: translate(-50%, -50%);
  border-radius: 20px;
  background: rgba(10,10,12,0.86);
  border: 1px solid rgba(255,255,255,0.14);
  padding: 22px 20px;
}