:root{
  --bg: #ffffff;
  --text: #111;
  --muted: #666;
  --line: #111;
  --card-border: #1a1a1a;

  --sidebar-w: 340px;
  --gutter: 48px;

  --section-title-size: 30px;
  --name-size: 56px;

  --card-w: 315px;
  --card-cover-h: 250px;
  --card-pad: 14px;

  --grid-gap: 24px;

  --grid-color-one: rgb(255, 255, 255);
  --grid-color-two: rgb(250, 250, 250);
  --grid-size: 100px 100px;
  --grid-speed: 500s;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  
  background-size: var(--grid-size);
    animation: scroll var(--grid-speed) linear infinite;
    background-image: repeating-conic-gradient(
      var(--grid-color-two) 0% 25%, 
      var(--grid-color-one) 0% 50%
    );
    overflow-y: visible; /* disable vertical scrolling */
    overflow-x: hidden; /* disable horizontal scroll */
}

@keyframes scroll {
    100%{
        background-position: 500% -1000%;
    }
}

.layout{
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  min-height: 100vh;
}

.sidebar{
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 32px 18px 32px 32px;
  border-right: 0;
  background-color: white;
  filter: drop-shadow(10px 0px 10px #00000014);
}
.sidebar__inner{
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.brand__name{
  margin: 0;
  font-size: var(--name-size);
  line-height: 0.92;
  letter-spacing: -0.5px;
}

.brand__icons{
  display: flex;
  gap: 10px;
  align-items: center;
  margin-top: 20px;
  margin-bottom: 14px;
}

.brand__icon{
  width: 22px;
  height: 22px;
  display: block;
  opacity: 0.95;
}

.brand__contact{
  margin: 10px 0 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.35;
}

a{
  text-decoration:none;
  color:#333;
}

a:hover{
  color:#898989;
}

a:visited{
  text-decoration: none;
}

.brand__link{
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.brand__link:hover{ border-bottom-color: var(--text); }

.nav__list{
  list-style: decimal;
  padding-left: 22px;
  margin: 0;
}
.nav__list li{
  margin: 10px 0;
  font-size: 20px;
  color: var(--muted);
}
.nav__list a{
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.nav__list a:hover{ border-bottom-color: currentColor; }
.nav__list a.is-active{
  color: var(--text);
  border-bottom-color: var(--text);
}

.content{
  padding: 36px var(--gutter) 80px var(--gutter);
}

.section{
  padding: 10px 0 60px 0;
}

.section__header{
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 18px;
  margin: 6px 0 24px 0;
}
.section__rule{
  height: 2px;
  background: var(--line);
  opacity: 0.9;
}
.section__title{
  margin: 0;
  font-size: var(--section-title-size);
  font-weight: 500;
  letter-spacing: -0.3px;
}

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

.card--design .card__cover{
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.grid{
  display: grid;

  /* FORCE 3 columns */
  grid-template-columns: repeat(3, var(--card-w));

  gap: var(--grid-gap);

  justify-content: center;   /* centers the whole grid */
  align-items: start;        /* prevents stretching */
}


.card{
  border: 2px solid var(--card-border);
  background: #fff;
  width: var(--card-w);
}

.card__cover{
  height: var(--card-cover-h);
  border-bottom: 2px solid var(--card-border);
  background: rgb(255, 255, 255); /* fallback if no image */
  background-size: cover;
  background-position: center;
}

.card__cover-link {
  display: block;
  text-decoration: none;
  color: inherit;
}


.card__body{
  padding: var(--card-pad);
}

.card__title{
  margin: 0 0 8px 0;
  font-size: 16px;
  font-weight: 800;
  text-transform: uppercase;
  line-height: 1.1;
}
.card__title a{
  color: var(--text);
  text-decoration: none;
}
.card__title a:hover{ text-decoration: underline; }

.card__desc{
  margin: 0;
  font-size: 12px;
  line-height: 1.35;
  color: #333;
}

/* remove fixed height behavior */
.card--design .card__cover{
  border-bottom: 0;
  background-size: cover;
  background-position: center;
}



/* Responsive */
@media (max-width: 1200px){
  :root{ --sidebar-w: 300px; --gutter: 32px; }
  .grid{ grid-template-columns: repeat(2, minmax(0, var(--card-w))); }
}

@media (max-width: 860px){
  .layout{ grid-template-columns: 1fr; }
  .sidebar{
    position: relative;
    height: auto;
    padding: 24px 20px 0 20px;
    border-right: 0;
  }
  .content{ padding: 18px 20px 60px 20px; }
  .grid{ grid-template-columns: 1fr; }
  .card{ width: 100%; }
  :root{ --card-w: 100%; }
}