/* Theme default - base.css: reset, page background, typography, wrapper, sections, cards and grids. */
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scrollbar-color: var(--violet) var(--abyss);
}

body {
  margin: 0;
  background: var(--void);
  color: var(--text);
  font-family: var(--sans);
  font-size: clamp(1rem, 0.97rem + 0.15vw, 1.0625rem);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.sky {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(58rem 32rem at 82% -10%, rgb(var(--primary-rgb) / 0.12), transparent 62%),
    radial-gradient(46rem 28rem at 8% 4%, rgb(var(--steel-rgb) / 0.09), transparent 62%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 46%, var(--bg) 100%);
}
.sky::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.55;
  background-image:
    linear-gradient(rgb(var(--ink-rgb) / 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgb(var(--ink-rgb) / 0.03) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(74rem 48rem at 50% 10%, #000 18%, transparent 78%);
  mask-image: radial-gradient(74rem 48rem at 50% 10%, #000 18%, transparent 78%);
}

h1, h2, h3, h4 {
  font-family: var(--display);
  margin: 0 0 0.6em;
  line-height: 1.08;
  letter-spacing: -0.028em;
  font-weight: 700;
  text-wrap: balance;
}
h1 { font-size: clamp(2.2rem, 1.2rem + 4.2vw, 4rem); letter-spacing: -0.035em; }
h2 { font-size: clamp(1.7rem, 1.1rem + 2.4vw, 2.6rem); }
h3 { font-size: clamp(1.12rem, 1rem + 0.6vw, 1.35rem); }
p { margin: 0 0 1rem; text-wrap: pretty; }
ul { padding-left: 1.15rem; }

.wrap { width: min(100% - 2.4rem, var(--wrap)); margin-inline: auto; }
.section { padding-block: var(--pad-y); position: relative; }
.section + .section { padding-top: 0; }
.lead { font-size: clamp(1.05rem, 1rem + 0.5vw, 1.28rem); color: var(--muted); max-width: 62ch; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 1.1rem;
}
.eyebrow::before {
  content: "";
  width: 1.8rem;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan));
}

.head { max-width: 66ch; margin-bottom: clamp(2rem, 4vw, 3rem); }

.horizon {
  height: 1px;
  border: 0;
  margin: 0;
  background: linear-gradient(90deg, transparent, rgb(var(--primary-rgb) / 0.5), rgb(var(--steel-rgb) / 0.45), transparent);
}

.card {
  position: relative;
  padding: clamp(1.25rem, 2.2vw, 1.7rem);
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  background: linear-gradient(180deg, rgb(var(--raise-rgb) / 0.62), rgb(var(--surface-rgb) / 0.62));
  backdrop-filter: blur(10px);
  transition: transform 0.35s cubic-bezier(0.2, 0.7, 0.2, 1), border-color 0.35s, box-shadow 0.35s;
}
.card:hover, .card:focus-within {
  transform: translateY(-3px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow);
}
.card h3 { margin-bottom: 0.4rem; }
.card p { margin: 0; color: var(--muted); font-size: 0.97rem; }

.grid { display: grid; gap: var(--gap); }
.g2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 22rem), 1fr)); }
.g3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr)); }
.g4 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 13rem), 1fr)); }