/* =========================================================
   Devanta Digital — base reset, typography, primitives.
   ========================================================= */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; overflow-x: clip; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: var(--t-body);
  line-height: 1.55;
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}

/* Ambient backdrop — extremely subtle radial+grain on the canvas */
body::before {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none;
  background:
    radial-gradient(1100px 600px at 12% -8%, rgba(25,179,107,.10), transparent 60%),
    radial-gradient(900px 500px at 96% 14%, rgba(55,213,231,.06), transparent 70%),
    radial-gradient(700px 480px at 50% 110%, rgba(245,165,36,.05), transparent 60%);
  z-index: 0;
}

img, svg, video { display: block; max-width: 100%; height: auto; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible, summary:focus-visible, input:focus-visible {
  outline: none;
  box-shadow: var(--ring);
  border-radius: 8px;
}

::selection { background: rgba(45, 208, 137, .35); color: var(--text); }

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.04;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--text);
}
h1 { font-size: var(--t-h1); letter-spacing: -0.035em; line-height: 0.98; }
h2 { font-size: var(--t-h2); letter-spacing: -0.03em; line-height: 1.02; }
h3 { font-size: var(--t-h3); letter-spacing: -0.02em; }
h4 { font-size: var(--t-h4); letter-spacing: -0.015em; }
p  { margin: 0; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono);
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-mute);
}
.eyebrow::before {
  content: "";
  width: 22px; height: 1px; background: var(--accent);
  display: inline-block;
}
.eyebrow.no-rule::before { display: none; }

.lede { font-size: var(--t-lead); color: var(--text-mute); line-height: 1.55; }
.mono { font-family: var(--font-mono); }
.text-mute { color: var(--text-mute); }
.text-accent { color: var(--accent); }
.text-cyan { color: var(--accent-2); }
.text-gold { color: var(--accent-3); }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0;
  margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.sr-only:focus, .sr-only:focus-visible {
  position: fixed; top: 12px; left: 12px; width: auto; height: auto;
  clip: auto; padding: 10px 14px; background: var(--accent); color: var(--on-accent);
  border-radius: 10px; z-index: 1000;
}

/* Layout primitives */
.container {
  width: 100%;
  max-width: var(--maxw);
  padding-inline: var(--gutter);
  margin-inline: auto;
  position: relative;
  z-index: 1;
}
.container.narrow { max-width: var(--maxw-narrow); }

.section { padding-block: var(--section-y); position: relative; scroll-margin-top: 88px; }
.section + .section { padding-top: 0; }
.section--bleed { padding-block: var(--section-y); }

.divider {
  height: 1px; background: var(--hairline);
  margin-inline: auto; max-width: var(--maxw);
}

/* Buttons */
.btn {
  --pad-y: 14px;
  --pad-x: 22px;
  position: relative;
  display: inline-flex; align-items: center; gap: 10px;
  padding: var(--pad-y) var(--pad-x);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: -0.005em;
  border-radius: 999px;
  white-space: nowrap;
  transition: transform var(--dur-2) var(--ease-out), background var(--dur-2), color var(--dur-2), border-color var(--dur-2), box-shadow var(--dur-2);
  will-change: transform;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--brand-emerald);
  color: var(--on-accent);
  box-shadow: 0 14px 30px -12px rgba(25,179,107,.42);
}
.btn-primary:hover {
  background: var(--brand-emerald-hi);
  box-shadow: 0 22px 40px -14px rgba(25,179,107,.58);
}

.btn-ghost {
  background: rgba(247,243,234,.02);
  color: var(--text);
  border: 1px solid var(--hairline-strong);
}
.btn-ghost:hover { background: rgba(247,243,234,.06); border-color: rgba(247,243,234,.28); }

.btn-link {
  padding: 0; background: transparent; color: var(--text);
  border-bottom: 1px solid var(--hairline-strong); border-radius: 0;
}
.btn-link:hover { color: var(--accent); border-color: var(--accent); }

/* AI entry point — visible, intentional, not loud */
.btn-ai {
  background: rgba(55,213,231,.06);
  color: var(--text);
  border: 1px solid rgba(55,213,231,.34);
}
.btn-ai:hover { background: rgba(55,213,231,.12); border-color: rgba(55,213,231,.55); }
.btn-ai .ai-spark {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--brand-cyan-hi);
  box-shadow: 0 0 0 4px rgba(55,213,231,.16), 0 0 12px rgba(55,213,231,.6);
  animation: aipulse 1.8s ease-in-out infinite;
}
@media (prefers-reduced-motion: reduce) { .btn-ai .ai-spark { animation: none; } }

.btn-sm { --pad-y: 10px; --pad-x: 16px; font-size: 0.85rem; }
.btn-lg { --pad-y: 16px; --pad-x: 26px; font-size: 1rem; }

.btn .arrow { transition: transform var(--dur-2) var(--ease-out); }
.btn:hover .arrow { transform: translateX(3px); }

/* Pills, chips */
.chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px;
  font-family: var(--font-mono); font-size: 0.72rem;
  text-transform: uppercase; letter-spacing: 0.14em;
  border: 1px solid var(--hairline-strong);
  border-radius: 999px;
  color: var(--text-mute);
  background: rgba(247,243,234,.02);
}
.chip .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 10px rgba(45,208,137,.7);
}

/* Cards */
.card {
  position: relative;
  background: linear-gradient(180deg, rgba(247,243,234,.02), rgba(247,243,234,0)) , var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: clamp(20px, 2vw, 28px);
  box-shadow: var(--shadow-card);
  transition: border-color var(--dur-2), transform var(--dur-2), background var(--dur-2);
}
.card:hover { border-color: var(--hairline-strong); }

.card-elevated {
  background: linear-gradient(180deg, rgba(25,179,107,.08), rgba(25,179,107,0) 50%), var(--surface);
  border-color: rgba(25,179,107,.2);
}

/* Reveal on scroll */
[data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity var(--dur-3) var(--ease-out), transform var(--dur-3) var(--ease-out);
  will-change: transform, opacity;
}
[data-reveal].is-in {
  opacity: 1;
  transform: translateY(0);
}

/* Grids */
.grid { display: grid; gap: var(--s-6); }
.grid-2 { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }
.grid-4 { grid-template-columns: 1fr 1fr; }
@media (min-width: 740px) {
  .grid-2 { grid-template-columns: 1fr 1fr; }
  .grid-3 { grid-template-columns: 1fr 1fr 1fr; }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

/* Tag list */
.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  display: inline-flex; align-items: center; padding: 4px 10px;
  font-family: var(--font-mono); font-size: 0.7rem;
  letter-spacing: 0.08em;
  border: 1px solid var(--hairline-strong);
  border-radius: 999px;
  color: var(--text-mute);
  background: rgba(247,243,234,.015);
}
.tag.tag-accent { color: var(--accent-hi); border-color: rgba(45,208,137,.35); background: rgba(25,179,107,.07); }
.tag.tag-cyan { color: var(--accent-2); border-color: rgba(55,213,231,.35); background: rgba(55,213,231,.07); }
.tag.tag-gold { color: var(--accent-3); border-color: rgba(245,165,36,.35); background: rgba(245,165,36,.06); }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}