/* Tessra landing5 — base reset, typography, buttons */

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3, p { margin: 0; }
img, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }

.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--pad-x); }

.h1 {
  font-family: var(--font-display);
  font-weight: 480;
  font-size: var(--fs-hero);
  line-height: var(--lh-tight);
  letter-spacing: -0.02em;
}
.italic { font-style: italic; color: var(--accent-deep); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.92rem 1.7rem;
  border-radius: var(--r-pill);
  font-weight: 600;
  font-size: 0.97rem;
  letter-spacing: -0.005em;
  border: 1px solid transparent;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.btn:active { transform: translateY(1px) scale(0.99); }
.btn--primary {
  background: var(--accent);
  color: var(--navy);
  box-shadow: 0 1px 2px rgba(16, 16, 14, 0.12), 0 12px 28px -10px rgba(16, 16, 14, 0.22);
}
.btn--primary:hover { background: var(--accent-deep); color: var(--navy); transform: translateY(-2px); }
.btn--sm { padding: 0.62rem 1.15rem; font-size: 0.88rem; }
.btn--lg { padding: 1.05rem 2rem; font-size: 1.02rem; }

.cta-row { display: flex; flex-wrap: wrap; gap: 0.85rem; align-items: center; justify-content: center; }
.text-link {
  font: 500 0.92rem/1 var(--font-body);
  color: var(--accent-deep);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: gap 0.2s var(--ease);
}
.text-link:hover { gap: 0.6rem; }
.text-link--external .text-link__icon {
  flex-shrink: 0;
  opacity: 0.72;
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease);
}
.text-link--external:hover .text-link__icon {
  opacity: 1;
  transform: translate(1px, -1px);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.45rem 0.85rem;
  border-radius: var(--r-pill);
  border: 1px solid var(--hairline);
  background: rgba(255, 255, 255, 0.04);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  font: 500 0.78rem/1 var(--font-mono);
  letter-spacing: 0.06em;
  color: var(--ink-2);
}
.badge__dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent-soft);
}
.micro { font-size: 0.88rem; color: var(--ink-3); }

/* Gentle bob applied to the real (grow/fade) logo canvases */
@keyframes tessera-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}
.tessera-float { animation: tessera-float 3.4s ease-in-out infinite; }
@media (prefers-reduced-motion: reduce) {
  .tessera-float { animation: none; }
}

.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out); }
.reveal.is-in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: 0.08s; }
.reveal[data-delay="2"] { transition-delay: 0.16s; }
.reveal[data-delay="3"] { transition-delay: 0.24s; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
}