/* ============================================================
   ZÁKLADNÍ STYLY Z HLAVNÍHO WEBU (ZACHOVÁNÍ DESIGNU)
   ============================================================ */

body {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Manrope', Arial, Helvetica, sans-serif;
  background-color: #f8fafc;
  color: #1e293b;
}

* {
  box-sizing: border-box;
}

html,
body {
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: black;
}

/* NAVIGATION / MENU */
.menu {
  top: 0;
  position: fixed;
  display: flex;
  flex-direction: row;
  background: linear-gradient(
    90deg,
    rgb(255, 255, 255),
    rgba(235, 254, 255, 0.736)
  );
  border-bottom: 5px solid rgba(0, 66, 81, 0.056);
  height: fit-content;
  width: 100%;
  z-index: 999;
}

.navbar {
  font-family: Roboto, Arial, Helvetica, sans-serif;
  display: flex;
  flex-direction: row;
  width: auto;
  height: 100%;
  align-items: center;
}

.logo {
  width: 80px;
  height: 80px;
  margin: 10px;
  transition: transform 0.25s linear;
  object-fit: contain;
}

.logo:hover {
  animation: spin 0.25s linear infinite;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.logo-placeholder {
  align-self: center;
  justify-self: center;
  margin: 10px;
  padding: 10px;
  font-family: Roboto, Arial, Helvetica, sans-serif;
  font-size: x-large;
  font-weight: 400;
  color: rgb(0, 0, 0) !important;
  display: inline-block;
  transition: transform 0.2s ease;
  cursor: pointer;
}

.logo-placeholder:hover {
  animation: chaos 0.4s infinite alternate ease-in-out;
}

@keyframes chaos {
  0% { transform: rotate(0deg) scale(1); }
  25% { transform: rotate(3deg) scale(1.05) translateX(2px); }
  50% { transform: rotate(-3deg) scale(1.02) translateX(-2px); }
  75% { transform: rotate(2deg) scale(1.06) translateY(2px); }
  100% { transform: rotate(-2deg) scale(1.04) translateY(-2px); }
}

.menu-text {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: right;
  padding-right: 2vw;
  width: 100%;
}

.menu-item {
  position: relative;
  margin: 10px;
  padding: 10px;
  font-family: Roboto, Arial, Helvetica, sans-serif;
  font-size: x-large;
  font-weight: 300;
  color: rgb(0, 0, 0) !important;
  text-decoration: none;
}

.menu-item::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 0;
  height: 3px;
  background: black;
  transform: translateX(-50%);
  transition: width 0.3s ease;
}

.menu-item:hover::after {
  width: 100%;
}

.menu-item:hover {
  opacity: 0.7;
  cursor: pointer;
}

.horizontal-flex {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
}

/* MAIN CONTENT LAYOUT */
.content {
  padding-top: 130px;
  padding-bottom: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  width: 100%;
}

/* ============================================================
   SEKCE A KARTY UDÁLOSTÍ (PODLOUHLÉ OBDÉLNÍKOVÉ ŠABLONY)
   ============================================================ */

.events-section {
  width: 85vw;
  max-width: 1200px;
  margin-bottom: 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.section-title {
  font-family: Manrope, Arial, Helvetica, sans-serif;
  font-size: 2.3rem;
  font-weight: 700;
  color: rgb(0, 66, 81);
  margin-bottom: 30px;
  text-align: center;
}

.events-list {
  display: flex;
  flex-direction: column;
  gap: 35px;
  width: 100%;
}

/* KARTA UDÁLOSTI (PODLOUHLÝ OBDÉLNÍK PODLE NÁVRHU) */
.event-card {
  display: flex;
  flex-direction: column;
  background: #ffffff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  border: 1px solid rgba(0, 66, 81, 0.12);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  width: 100%;
}

.event-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
}

/* OBRÁZEK NAHOŘE (MODRÁ PLOCHA Z NÁVRHU) */
.event-image-wrapper {
  width: 100%;
  height: 280px;
  background-color: #4a777a; /* Mírně tlumené modré pozadí pro záložní účely */
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.event-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* SPODNÍ PÁS S INFORMACEMI (NÁZEV, POPIS, DATUM, TLAČÍTKO) */
.event-details-bar {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  padding: 20px 30px;
  background: #ffffff;
  gap: 20px;
  border-top: 1px solid rgba(0, 44, 111, 0.1);
}

.event-title {
  font-family: Manrope, Arial, Helvetica, sans-serif;
  font-size: 1.8rem;
  font-weight: 700;
  color: #000000;
  margin: 0;
  flex: 1.2;
  min-width: 180px;
}

.event-description {
  flex: 2;
  padding: 0 10px;
}

.event-description p {
  font-family: Manrope, Arial, Helvetica, sans-serif;
  font-size: 1.05rem;
  color: #444444;
  margin: 0;
  text-align: left;
  line-height: 1.4;
}

.event-date {
  font-family: Manrope, Arial, Helvetica, sans-serif;
  font-size: 1.6rem;
  font-weight: 700;
  color: rgb(0, 44, 111);
  text-align: center;
  min-width: 140px;
  letter-spacing: 0.03em;
}

.event-action {
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

/* ZLATÉ / ŽLUTÉ TLAČÍTKO PODLE NÁVRHU ("Více informací") */
.button-event {
  font-family: Manrope, Arial, Helvetica, sans-serif;
  font-size: 1.15rem;
  font-weight: 600;
  padding: 12px 28px;
  background-color: #fbc02d; /* Zlatá žluť z návrhu */
  color: #ffffff;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.25s ease, transform 0.15s ease;
  white-space: nowrap;
  display: inline-block;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.button-event:hover {
  background-color: #f57f17;
  color: #ffffff;
  transform: scale(1.02);
}

/* ============================================================
   FOOTER (PATIČKA Z HLAVNÍHO WEBU)
   ============================================================ */

.footer {
  width: 100%;
  padding: 40px 0 20px;
  background: #004251;
  color: #e5e7eb;
  font-family: system-ui, sans-serif;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 40px;
}

.footer-left h2 {
  margin: 0;
  font-size: 1.6rem;
  font-weight: 600;
  color: #fff;
}

.footer-left p {
  margin: 6px 0 0;
  opacity: 0.7;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: #cbd5e1;
  text-decoration: none;
  transition: 0.25s ease;
}

.footer-links a:hover {
  color: #4f9cff;
  transform: translateX(3px);
}

.botnik {
  font-family: Manrope, Arial, Helvetica, sans-serif;
  display: block;
  width: 100%;
  padding: 16px 0 0 0;
  margin-top: 20px;
  text-align: center;
  font-size: 1.2rem;
  color: #94a3b8;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* ============================================================
   RESPONZIVITA PRO MOBILY A TABLETY
   ============================================================ */

@media (max-width: 900px) {
  .event-details-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 15px;
  }

  .event-title, .event-description, .event-date, .event-action {
    width: 100%;
    text-align: left;
  }

  .event-date {
    font-size: 1.3rem;
  }

  .event-action {
    justify-content: flex-start;
  }

  .button-event {
    width: 100%;
    text-align: center;
  }
}

@media (max-width: 768px) {
  .menu {
    flex-direction: column !important;
    position: relative !important;
    height: auto !important;
    padding: 10px 0 !important;
    align-items: center !important;
  }

  .menu > a.horizontal-flex {
    flex-direction: column !important;
    margin-bottom: 5px !important;
  }

  .logo {
    width: 50px !important;
    height: 50px !important;
  }

  .logo-placeholder {
    font-size: 1.1rem !important;
    text-align: center !important;
    margin: 5px 10px !important;
  }

  .menu-text {
    width: 100% !important;
    justify-content: center !important;
    padding-right: 0 !important;
  }

  .menu-item {
    font-size: 1rem !important;
    margin: 5px 10px !important;
  }

  .content {
    padding-top: 20px !important;
  }

  .events-section {
    width: 92vw;
  }

  .section-title {
    font-size: 1.6rem;
  }

  .event-image-wrapper {
    height: 180px;
  }
}


/* ============================================================
   STYLY PRO DETAIL UDÁLOSTI (linuxdays2026.html / podstránky)
   ============================================================ */

.event-detail-container {
  width: 70vw;
  max-width: 900px;
  background: #ffffff;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  border: 1px solid rgba(0, 66, 81, 0.12);
  margin-bottom: 50px;
}

.event-detail-header-image {
  width: 100%;
  height: 350px;
  background-color: #004251;
  overflow: hidden;
}

.detail-banner-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.event-detail-body {
  padding: 40px 50px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.event-detail-title {
  font-family: Manrope, Arial, Helvetica, sans-serif;
  font-size: 2.5rem;
  font-weight: 800;
  color: rgb(0, 66, 81);
  margin-top: 0;
  margin-bottom: 10px;
  line-height: 1.2;
}

.event-detail-lead {
  font-size: 1.25rem !important;
  line-height: 1.6;
  color: #1e293b;
}

.event-detail-body p {
  font-family: Manrope, Arial, Helvetica, sans-serif;
  font-size: 1.1rem;
  line-height: 1.6;
  color: #334155;
  margin: 0;
}

/* BLOCK / BOX ROZCESTNÍKU PRO ZÁKLADNÍ INFORMACE */
.info-box {
  background-color: #f0f9ff;
  border-left: 5px solid rgb(0, 66, 81);
  padding: 25px 30px;
  border-radius: 8px;
  margin: 10px 0;
}

.info-box h2 {
  font-size: 1.5rem;
  color: rgb(0, 66, 81);
  margin-top: 0;
  margin-bottom: 15px;
}

.info-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.info-list li {
  font-family: Manrope, Arial, Helvetica, sans-serif;
  font-size: 1.1rem;
  color: #1e293b;
}

.info-list a {
  color: #0284c7;
  text-decoration: underline;
  font-weight: 600;
}

.info-list a:hover {
  color: #0369a1;
}

.cta-callout {
  font-weight: 700 !important;
  font-size: 1.2rem !important;
  color: rgb(0, 66, 81) !important;
  margin-top: 15px !important;
}

.event-detail-actions {
  margin-top: 20px;
  display: flex;
  justify-content: center;
}

.event-detail-actions .button-17 {
  width: auto;
  text-decoration: none;
  padding: 10px 30px;
}

/* RESPONZIVITA DETAILU UDÁLOSTI */
@media (max-width: 900px) {
  .event-detail-container {
    width: 92vw;
  }
  .event-detail-body {
    padding: 25px 20px;
  }
  .event-detail-title {
    font-size: 1.8rem;
  }
  .event-detail-header-image {
    height: 220px;
  }
}