/* ===================================================================
   Daniela Rázková — redesign ve stylu bedigit, původní růžová paleta
   (#FB5FAB / #DB246D akcenty, #FCEEF5 podklady, text #0F172A)
   =================================================================== */

:root {
  --bg: #ffffff;
  --panel: #ffffff;
  --panel-alt: #FCEEF5;
  --text: #0F172A;
  --text-soft: rgba(15, 23, 42, 0.78);
  --text-muted: rgba(15, 23, 42, 0.56);
  --text-faint: rgba(15, 23, 42, 0.38);
  --line: rgba(15, 23, 42, 0.12);
  --line-soft: rgba(15, 23, 42, 0.07);
  --accent: #FB5FAB;          /* původní růžová webu */
  --accent-hover: #EA559D;
  --accent-deep: #DB246D;     /* sytá magenta na nadpisové akcenty */
  --accent-soft: rgba(251, 95, 171, 0.14);
  --pink-tint: #FAD8E9;
  --on-accent: #ffffff;
  --radius: 15px;
  --radius-sm: 10px;
  --shadow-card: 0 2px 24px rgba(219, 36, 109, 0.08), inset 0 -8px 20px rgba(15, 23, 42, 0.02);
  --shadow-header: 0 8px 30px rgba(219, 36, 109, 0.1);
  --font: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* jemné růžové radiální nádechy pozadí */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(75% 60% at 100% 0%, rgba(251, 95, 171, 0.14) 0%, transparent 55%),
    radial-gradient(60% 50% at 0% 100%, rgba(250, 216, 233, 0.55) 0%, transparent 58%),
    radial-gradient(50% 40% at 50% 50%, rgba(252, 238, 245, 0.6) 0%, transparent 62%);
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container {
  max-width: 72rem;
  margin-inline: auto;
  padding-inline: 1.5rem;
}
.container-narrow { max-width: 52rem; }

/* =============== typografie =============== */

.eyebrow {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent-deep);
  margin-bottom: 1rem;
}

h1 {
  font-size: clamp(2.1rem, 5vw, 3.3rem);
  font-weight: 900;
  letter-spacing: -0.025em;
  line-height: 1.08;
  margin-bottom: 1.2rem;
}

h2 {
  font-size: clamp(1.6rem, 3.4vw, 2.25rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 1.6rem;
}

h3 {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

/* =============== header =============== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.82);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line-soft);
}

.header-inner {
  max-width: 80rem;
  margin-inline: auto;
  padding: 0.85rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand-text {
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
}
.brand-accent { color: var(--accent-deep); }

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.6rem;
}
.main-nav > a:not(.btn) {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-soft);
  transition: color 0.2s;
}
.main-nav > a:not(.btn):hover { color: var(--accent-deep); }

/* mobile */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  background: var(--accent-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 0 10px;
}
.nav-toggle span {
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.2s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  border-top: 1px solid var(--line-soft);
  background: var(--panel);
  padding: 1rem 1.5rem 1.5rem;
}
.mobile-menu nav { display: flex; flex-direction: column; }
.mobile-menu a {
  padding: 0.8rem 0;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-soft);
  border-bottom: 1px solid var(--line-soft);
}

@media (max-width: 900px) {
  .main-nav { display: none; }
  .nav-toggle { display: flex; }
}
@media (min-width: 901px) {
  .mobile-menu { display: none !important; }
}

/* =============== tlačítka =============== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  padding: 0.8em 1.6em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.15s;
  font-family: inherit;
}
.btn:hover { transform: translateY(-1px); }

.btn-solid {
  background: var(--accent);
  color: var(--on-accent);
  box-shadow: inset 0 -2px 16px -2px rgba(255, 255, 255, 0.3);
}
.btn-solid:hover { background: var(--accent-hover); }

.btn-ghost {
  background: transparent;
  color: var(--text-soft);
  border-color: rgba(15, 23, 42, 0.18);
}
.btn-ghost:hover {
  color: var(--accent-deep);
  border-color: var(--accent);
  background: var(--accent-soft);
}

.btn-nav { padding: 0.6em 1.3em; }

/* =============== hero =============== */

.hero { padding: clamp(3rem, 7vw, 6rem) 0; }

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-photo { order: -1; max-width: 340px; margin-inline: auto; }
}

.hero-motto {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--accent-deep);
  margin-bottom: 1.1rem;
}
.hero-lead {
  color: var(--text-muted);
  max-width: 34rem;
  margin-bottom: 2rem;
}
.hero-cta {
  display: flex;
  gap: 0.9rem;
  flex-wrap: wrap;
  margin-bottom: 2.2rem;
}
.hero-meta {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  flex-wrap: wrap;
}
.kdu-logo { height: 29px; width: auto; }

.social-row { display: flex; gap: 0.6rem; }
.social-row a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--line);
  color: var(--text-muted);
  transition: color 0.2s, border-color 0.2s, background 0.2s, transform 0.15s;
}
.social-row a:hover {
  color: var(--on-accent);
  background: var(--accent);
  border-color: var(--accent);
  transform: translateY(-2px);
}

.hero-photo img {
  border-radius: var(--radius);
  box-shadow: 0 14px 44px rgba(219, 36, 109, 0.18);
  height: auto;
}

/* =============== sekce =============== */

.section { padding: clamp(3.5rem, 8vw, 6rem) 0; }
.section-alt {
  background: var(--panel-alt);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

/* =============== prose =============== */

.prose p { color: var(--text-soft); margin-bottom: 1.1rem; }
.prose p:last-child { margin-bottom: 0; }
.prose a {
  color: var(--accent-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.2s;
}
.prose a:hover { color: var(--accent); }
.prose em { font-style: italic; }

/* =============== karty =============== */

.cards-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.4rem;
  margin-top: 2.2rem;
}
@media (max-width: 800px) {
  .cards-2 { grid-template-columns: 1fr; }
}

.card {
  background: var(--panel);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 2rem;
  transition: transform 0.2s, box-shadow 0.2s;
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 34px rgba(219, 36, 109, 0.14), inset 0 -8px 20px rgba(15, 23, 42, 0.02);
}
.card h3 { margin-bottom: 0.8rem; }
.card h3::after {
  content: "";
  display: block;
  width: 44px;
  height: 3px;
  border-radius: 2px;
  background: var(--accent);
  margin-top: 0.6rem;
}
.card p { color: var(--text-muted); font-size: 0.95rem; }

/* =============== kontakt =============== */

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.4rem;
  margin-top: 2.2rem;
}
@media (max-width: 800px) {
  .contact-grid { grid-template-columns: 1fr; }
}
.contact-block {
  background: var(--panel);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 1.8rem 2rem;
  font-size: 1rem;
  color: var(--text-soft);
}
.contact-label {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-deep);
  margin-bottom: 0.5rem;
}
.contact-block a {
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.2s;
}
.contact-block a:hover { color: var(--accent-deep); }
.social-row-contact { margin-top: 0.3rem; }

/* =============== footer =============== */

.site-footer {
  border-top: 1px solid var(--line-soft);
  padding: 2rem 0;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.8rem;
  color: var(--text-faint);
}
.footer-inner a { transition: color 0.2s; }
.footer-inner a:hover { color: var(--accent-deep); }