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

:root{
  --bg: oklch(0.99 0.01 265);
  --surface: oklch(1 0 0);
  --text: oklch(0.18 0.02 265);
  --muted: oklch(0.55 0.02 265);
  --accent: oklch(0.55 0.18 290);
  --accent-2: oklch(0.7 0.16 165);

  background: radial-gradient(1200px 800px at 10% 0%, oklch(0.97 0.03 290), transparent 60%),
              radial-gradient(900px 700px at 90% 10%, oklch(0.97 0.03 165), transparent 55%),
              var(--bg);

  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  line-height: 1.6;
  scroll-behavior: smooth;
}

body{
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img{
  max-width: 100%;
  height: auto;
  display: block;
}

.container{
  width: min(72rem, 100%);
  margin-inline: auto;
  padding-inline: 1rem;
}

header{
  background: color-mix(in oklch, var(--surface) 90%, transparent);
  border-bottom: 1px solid color-mix(in oklch, var(--text) 10%, transparent);
  backdrop-filter: blur(10px);
}

header nav{
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1rem 0;
}

.logo-container{
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-container a{
  text-decoration: none;
  color: var(--text);
  font-weight: 750;
  letter-spacing: 0.2px;
}

.logo-container a:hover{
  color: var(--accent);
}

header nav ol{
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

header nav ol a{
  display: inline-block;
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
  text-decoration: none;
  color: var(--text);
  background: color-mix(in oklch, var(--surface) 85%, transparent);
  border: 1px solid color-mix(in oklch, var(--text) 10%, transparent);
}

header nav ol a:hover,
header nav ol a:focus-visible{
  border-color: color-mix(in oklch, var(--accent) 55%, transparent);
  box-shadow: 0 0 0 4px color-mix(in oklch, var(--accent) 18%, transparent);
  outline: none;
}

main{ flex: 1; }

.intro{
  margin-block: 2rem 1.5rem;
  display: grid;
  gap: 1.25rem;
  align-items: center;
}

.intro-text{
  max-width: 52ch;
}

.intro h1{
  margin: 0 0 0.5rem;
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
  line-height: 1.1;
}

.intro p{
  margin: 0.25rem 0 0;
  color: var(--muted);
}

.intro-img{
  width: min(420px, 100%);
  border-radius: 1.25rem;
  border: 1px solid color-mix(in oklch, var(--text) 10%, transparent);
  box-shadow: 0 12px 40px color-mix(in oklch, var(--text) 20%, transparent);
}

.button{
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.1rem;
  border-radius: 0.9rem;
  text-decoration: none;
  font-weight: 650;
  margin-top: 1rem;
  color: oklch(1 0 0);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border: 0;
}

.button:hover,
.button:focus-visible{
  filter: brightness(1.03);
  outline: none;
  box-shadow: 0 0 0 4px color-mix(in oklch, var(--accent) 22%, transparent);
}

section hr{
  border: none;
  height: 1px;
  background: color-mix(in oklch, var(--text) 10%, transparent);
  margin: 1.5rem 0;
}

h2{
  margin: 0.5rem 0 1rem;
}

.cards{
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 1rem;
}

.cards li{
  background: color-mix(in oklch, var(--surface) 92%, transparent);
  border: 1px solid color-mix(in oklch, var(--text) 10%, transparent);
  border-radius: 1.25rem;
  overflow: hidden;
}

.cards li a{
  display: grid;
  gap: 0.75rem;
  padding: 1rem;
  text-decoration: none;
  color: inherit;
}

.cards li img{
  border-radius: 1rem;
}

.cards li span{
  color: var(--accent);
  font-weight: 650;
}

.cards li a:hover img{
  transform: translateY(-2px) scale(1.01);
  transition: 0.18s ease;
}

.lab-section,
.about-section{
  display: grid;
  gap: 1.25rem;
  margin-top: 1.5rem;
  margin-bottom: 2.5rem;
}

.lab-image,
.about-image{
  width: min(260px, 100%);
  border-radius: 1.25rem;
  border: 1px solid color-mix(in oklch, var(--text) 10%, transparent);
  box-shadow: 0 12px 40px color-mix(in oklch, var(--text) 18%, transparent);
}

.nolist,
.noslist2{
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.75rem;
}

.socials{
  text-align: left;
  margin-block: 2rem;
}

.socials ul{
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.socials li a{
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.75rem 0.9rem;
  border-radius: 1.25rem;
  text-decoration: none;
  color: inherit;
  background: color-mix(in oklch, var(--surface) 92%, transparent);
  border: 1px solid color-mix(in oklch, var(--text) 10%, transparent);
}

.socials li a:hover,
.socials li a:focus-visible{
  outline: none;
  border-color: color-mix(in oklch, var(--accent) 55%, transparent);
  box-shadow: 0 0 0 4px color-mix(in oklch, var(--accent) 18%, transparent);
}

.socials li img{
  width: 34px;
  border-radius: 0.6rem;
}

footer{
  margin-top: auto;
  padding: 1.25rem 0;
  border-top: 1px solid color-mix(in oklch, var(--text) 10%, transparent);
  background: color-mix(in oklch, var(--surface) 90%, transparent);
}

footer p{
  margin: 0;
  color: var(--muted);
}

footer a{
  color: var(--accent);
  text-decoration: none;
  font-weight: 650;
}

footer a:hover{ text-decoration: underline; }

@media (min-width: 720px){
  header nav{
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .intro{
    grid-template-columns: 1.2fr 0.8fr;
  }

  .cards{
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .lab-section,
  .about-section{
    grid-template-columns: 260px 1fr;
    align-items: start;
  }
}
header nav ul,
header nav ol {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 0;
    margin: 0;
    list-style: none;
}