html 
{
  scroll-behavior: smooth;
  margin: 0;
  overflow-x: hidden;
}

#main1
{
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  margin: 0;
  padding: 0;
}

.card 
{
  width: 90%;
  max-width: 1100px;
  height: auto;
  min-height: 200px;
  margin: 25px auto;
  display: flex;
  flex-direction: column;
  background: var(--card-bg);
  border-radius: 64px;
  color: white;
  overflow: hidden;
  position: relative;
  transform-style: preserve-3d;
  perspective: 1000px;
  transition: all 0.5s cubic-bezier(0.23, 1, 0.320, 1);
  justify-content: center;
  align-items: center;
  animation: fadeIn 1s ease-in;
}

:root 
{
  --card-bg: linear-gradient(43deg, #091771 0%, #4158D0 46%, #C850C0 70%, #EEC644 100%);
}

.dark-theme
{
  --card-bg: linear-gradient(43deg, #121416 15%, #1F1F1F 46%, #2B1B4D 70%, #A97E2C 100%);
}

.card-content 
{
  padding: 35px;
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
  color: white;
  align-items: flex-start;
  justify-content: center;
  height: 100%;
  font-family: Verdana, Geneva, Tahoma, sans-serif;
}

.card-content .card-para {
  text-align: left;
  align-self: stretch;
  line-height: 1.6;
}

.card-content .card-para h3 {
  margin: 8px 0 6px;
  font-size: 20px;
}

.card-content .card-para ul {
  margin: 6px 0 12px;
  padding-left: 1.2rem;
}
.card-content .card-title a 
{
  font-size: 32px;
  font-weight: 700;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--text-header);
  transition: 0.3s;
  transform: translateY(0);
  padding: 0;
  cursor: pointer;
}

.card-title a:hover
{
  color: var(--text-header-a);
  transform: translateY(-3px);
}

.card-content .card-para 
{
  color: inherit;
  opacity: 0.8;
  font-size: 18px;
  cursor: default;
}

.card:hover 
{
  transform: scale(1.01);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.card:before 
{
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.1));
  transition: transform 0.5s cubic-bezier(0.23, 1, 0.320, 1);
  z-index: 1;
}

.card:hover:before 
{
  transform: translateX(-100%);
}

.card:after 
{
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.1));
  transition: transform 0.5s cubic-bezier(0.23, 1, 0.320, 1);
  z-index: 1;
}

.card:hover:after 
{
  transform: translateX(100%);
}

.schemy
{
  display: block;
  margin: 0 auto;
  max-width: 100%;
  height: auto;
  filter: invert(1);
}

.peak 
{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  width: 700px; 
  min-height: 200px;
  border-radius: 50px;
  background: var(--peak-bg);
  box-shadow: 15px 15px 30px var(--peak-shadow-dark), -15px -15px 30px var(--peak-shadow-light);
  margin: 25px 20px;
  font-family: Verdana, Geneva, Tahoma, sans-serif;
  color: var(--peak-text);
  animation: fadeIn 1s ease-in;
  transition: all 0.5s cubic-bezier(0.23, 1, 0.320, 1);
  padding: 20px;
}

.peak:hover 
{
  transform: scale(1.1);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.peak .odkazy 
{
  flex: 0 0 400px;
  height: 200px;
  background-color: var(--peak-bg);
  background-blend-mode: multiply;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  border: 1px solid var(--peak-odkaz-border);
  box-shadow: 12px 17px 51px rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(6px);
  border-radius: 50px;
  text-align: center;
  cursor: pointer;
  transition: all 0.5s;
  display: flex;
  align-items: center;
  justify-content: center;
  user-select: none;
  font-weight: bolder;
  color: var(--peak-text);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.peak .odkazy:hover 
{
  border: 1px solid var(--peak-obh);
  transform: scale(1.01);
}

.peak .odkazy:active 
{
  transform: scale(0.95) rotateZ(1.7deg);
}

.peak .odkazy::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #e0e0e0;
  opacity: 0.6;
  pointer-events: none;
  z-index: 0;
  transition: background-color 0.3s ease;
}

/* Layout: make the peaks row a responsive grid and keep .peak as a simple wrapper
   so each .peak shows only the .odkazy link box */
.peaks-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  width: 100%;
  max-width: 1000px;
  margin: 20px auto;
  padding: 0 20px;
  align-items: stretch;
}

.peak {
  background: transparent;
  box-shadow: none;
  width: auto;
  min-height: auto;
  margin: 0;
  padding: 0;
  border-radius: 42px;
  display: block;
}

.peak .odkazy {
  height: 100%;
  min-height: 180px;
  border-radius: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  flex: 1 1 auto;
}

.peak .odkazy > * {
  position: relative;
  z-index: 1;
}

body.dark-theme .peak .odkazy::before 
{
  background-color: #292929;
}

.peak .odkazy span 
{
  font-size: 20px;
  font-weight: inherit;
  color: inherit;
}

.odkaz-teoria 
{
  background-image: url('/obrázky/knihy.jpg');
  background-size: cover;
  background-position: center;
}

.odkaz-simulacie 
{
  background-image: url('/obrázky/02_series_rlc_circuitscb.jpg');
  background-size: cover;
  background-position: center;
}

.odkaz-suciastky 
{
  background-image: url('/obrázky/kopa-sracek.jpg');
  background-size: cover;
  background-position: center;
}

.peak:nth-child(even)
{
  flex-direction: row-reverse;
}

.preklik 
{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  text-decoration: none;
  color: inherit;
  width: 100%;
  height: 100%;
}

:root 
{
  --peak-bg: #e0e0e0;
  --peak-shadow-dark: #bebebe;
  --peak-shadow-light: #ffffff;
  --peak-text: #212121;
  --peak-odkaz: #e0e0e0;
  --peak-odkaz-border: white;
  --peak-obh: #212121;
}

.dark-theme 
{
  --peak-bg: #292929;
  --peak-shadow-dark: rgb(25, 25, 25);
  --peak-shadow-light: rgb(60, 60, 60);
  --peak-text: #e0e0e0;
  --peak-odkaz: #212121;
  --peak-odkaz-border: black;
  --peak-obh: white;
}

@media (max-width: 600px)
{
  .peak .odkazy
  {
    display: flex;
  }

  .peaks-row {
    grid-template-columns: 1fr;
    padding: 0 10px;
    justify-items: center;
  }

.peak 
{
  width: 80%;
  height: auto;
  margin: 10px auto;
}

.peak:hover
{
  transform: scale(1.1);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}
}