/* =========================================================================
   Base: reset, typography, shared components (nav, buttons, labels,
   footer), inspect mode, reveals, focus, reduced motion.
   ========================================================================= */

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 5rem; }
body {
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}
img, svg, video, canvas { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 0.2em; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul[role="list"], ol[role="list"] { list-style: none; padding: 0; }
h1, h2, h3, h4 { font-weight: inherit; text-wrap: balance; }
p { text-wrap: pretty; }
::selection { background: var(--lilac); color: var(--bg); }

/* ---- Focus: always visible, never removed ---- */
:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}

.skip-link {
  position: absolute; left: var(--s-4); top: -100px; z-index: 10000;
  background: var(--butter); color: var(--bg);
  padding: var(--s-2) var(--s-4); border-radius: var(--r-pill);
  font: 600 var(--fs-small) / 1 var(--font-body); text-decoration: none;
}
.skip-link:focus { top: var(--s-4); }
.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---- Layout ---- */
.container {
  width: min(100% - 2 * var(--margin), var(--container));
  margin-inline: auto;
}
.section { position: relative; padding-block: var(--section-y); }
.section + .section { border-top: var(--border); }
.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--gutter);
}

/* ---- Type roles ---- */
.display {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-display);
  line-height: var(--lh-display);
  letter-spacing: var(--ls-display);
  font-variation-settings: "opsz" 96;
}
.h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-h2);
  line-height: var(--lh-heading);
  letter-spacing: var(--ls-h2);
}
.h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-h3);
  line-height: var(--lh-snug);
  letter-spacing: var(--ls-h3);
}
.lead { font-size: var(--fs-lead); line-height: 1.5; color: var(--text-2); max-width: 46ch; }
.body-copy { color: var(--text-2); max-width: var(--measure); }
.body-copy + .body-copy { margin-top: var(--s-4); }
.label, .eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  line-height: 1.4;
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--text-3);
}
.accent {
  font-family: var(--font-accent);
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--accent);
}
kbd {
  font-family: var(--font-mono);
  font-size: 0.85em;
  padding: 0.1em 0.45em;
  border: var(--border);
  border-bottom-width: 2px;
  border-radius: var(--r-sm);
  color: var(--text);
}

/* Section label: "01 — Selected work" */
.section-label {
  display: inline-flex; align-items: center; gap: var(--s-3);
  font-family: var(--font-mono); font-size: var(--fs-mono);
  letter-spacing: var(--ls-label); text-transform: uppercase;
  color: var(--text-3);
}
.section-label::before {
  content: ""; width: 8px; height: 8px; border-radius: 2px;
  background: var(--accent);
}
.section-label span { color: var(--text); }

.section-head {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--gutter);
  row-gap: var(--s-5);
  align-items: end;
  margin-bottom: var(--s-8);
}
.section-head .section-label { grid-column: 1 / -1; }
.section-head .h2 { grid-column: 1 / span 8; }
.section-head__aside { grid-column: 9 / -1; color: var(--text-2); font-size: var(--fs-small); max-width: 34ch; justify-self: end; }
@media (max-width: 900px) {
  .section-head .h2, .section-head__aside { grid-column: 1 / -1; justify-self: start; }
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; gap: var(--s-2);
  min-height: 48px; padding: 0 var(--s-5);
  border-radius: var(--r-pill);
  font: 600 var(--fs-small) / 1 var(--font-body);
  text-decoration: none;
  transition: background var(--dur-fast), color var(--dur-fast), border-color var(--dur-fast), transform var(--dur-fast) var(--ease-out);
}
.btn svg { width: 16px; height: 16px; transition: transform var(--dur-base) var(--ease-out); }
.btn:hover svg { transform: translateX(3px); }
.btn:active { transform: scale(0.98); }
.btn--primary { background: var(--text); color: var(--bg); }
.btn--primary:hover { background: var(--accent); }
.btn--ghost { border: 1px solid var(--line); color: var(--text); }
.btn--ghost:hover { border-color: var(--text); background: var(--hover-tint); }

.tool-btn {
  display: inline-flex; align-items: center; gap: var(--s-2);
  min-height: 36px; padding: 0 var(--s-3);
  border: var(--border); border-radius: var(--r-pill);
  font: 500 var(--fs-mono) / 1 var(--font-mono);
  letter-spacing: 0.04em; color: var(--text-2);
  transition: color var(--dur-fast), border-color var(--dur-fast), background var(--dur-fast);
}
.tool-btn:hover { color: var(--text); border-color: rgb(255 255 255 / 0.35); }
.tool-btn[aria-pressed="true"] { color: var(--text); border-color: rgb(255 255 255 / 0.35); background: var(--hover-tint); }
.tool-btn kbd { font-size: 10px; padding: 1px 5px; }
.tool-btn__dot { width: 8px; height: 8px; border-radius: 50%; background: linear-gradient(135deg, var(--pink), var(--sky)); }
.tool-btn[aria-pressed="false"] .tool-btn__dot { background: var(--text-3); }

/* Pills / tags */
.tags { display: flex; flex-wrap: wrap; gap: var(--s-2); list-style: none; padding: 0; }
.tags li {
  font: 500 var(--fs-mono) / 1 var(--font-mono);
  padding: 7px 10px; border-radius: var(--r-pill);
  border: var(--border); color: var(--text-2);
}

/* ---- Header / nav ---- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgb(10 10 10 / 0.82);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid transparent;
}
.nav {
  display: flex; align-items: center; gap: var(--s-6);
  min-height: 64px;
}
.nav__brand {
  display: inline-flex; align-items: center; gap: var(--s-3);
  font: 600 var(--fs-small) / 1 var(--font-body); text-decoration: none;
}
.nav__mark {
  display: grid; place-items: center;
  width: 32px; height: 32px; border-radius: 8px;
  background: var(--text); color: var(--bg);
  font: 700 13px / 1 var(--font-display); letter-spacing: -0.02em;
}
.nav__links { display: flex; gap: var(--s-5); list-style: none; padding: 0; margin-left: auto; }
.nav__links a {
  font: 500 var(--fs-small) / 1 var(--font-body);
  color: var(--text-2); text-decoration: none;
  padding: var(--s-2) 0;
  background: linear-gradient(var(--text), var(--text)) left bottom / 0 1px no-repeat;
  transition: color var(--dur-fast), background-size var(--dur-base) var(--ease-out);
}
.nav__links a:hover { color: var(--text); background-size: 100% 1px; }
.nav__tools { display: flex; gap: var(--s-2); }
@media (max-width: 760px) {
  .nav { flex-wrap: wrap; gap: var(--s-3) var(--s-4); padding-block: var(--s-3); }
  .nav__links { order: 3; width: 100%; margin-left: 0; gap: var(--s-4); overflow-x: auto; }
  .nav__tools { margin-left: auto; }
  .tool-btn--inspect { display: none; } /* inspect is a keyboard/desktop feature */
}

/* ---- Footer ---- */
.site-footer {
  border-top: var(--border);
  padding-block: var(--s-6);
  font: 400 var(--fs-mono) / 1.6 var(--font-mono);
  color: var(--text-3);
}
.site-footer .container { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--s-3); }

/* =========================================================================
   Inspect mode (press I). Shows real spec labels from data-spec and a
   12-column grid overlay. Proof of the type/spacing system, not decoration.
   ========================================================================= */
.grid-overlay {
  position: fixed; inset: 0; z-index: 90; pointer-events: none;
  opacity: 0; transition: opacity var(--dur-base);
}
.grid-overlay .container { height: 100%; }
.grid-overlay .grid-12 { height: 100%; }
.grid-overlay span { background: rgb(255 203 225 / 0.05); border-inline: 1px solid rgb(255 203 225 / 0.14); }
.is-inspecting .grid-overlay { opacity: 1; }

.is-inspecting [data-spec] {
  position: relative;
  outline: 1px dashed rgb(255 203 225 / 0.7);
  outline-offset: 6px;
}
.is-inspecting [data-spec]::after {
  content: attr(data-spec);
  position: absolute; left: -6px; top: calc(100% + 10px); z-index: 95;
  max-width: min(90vw, 560px);
  padding: 4px 8px; border-radius: var(--r-sm);
  background: var(--pink); color: var(--bg);
  font: 500 11px / 1.35 var(--font-mono);
  letter-spacing: 0; text-transform: none; font-style: normal; font-weight: 500;
  white-space: normal; text-align: left;
  pointer-events: none;
  box-shadow: var(--shadow-pop);
}
.inspect-hint {
  position: fixed; left: 50%; bottom: var(--s-5); z-index: 96;
  transform: translate(-50%, 16px); opacity: 0; pointer-events: none;
  padding: var(--s-2) var(--s-4); border-radius: var(--r-pill);
  background: var(--surface-2); border: var(--border);
  font: 500 var(--fs-mono) / 1.4 var(--font-mono); color: var(--text-2);
  transition: opacity var(--dur-base), transform var(--dur-base) var(--ease-out);
}
.is-inspecting .inspect-hint { opacity: 1; transform: translate(-50%, 0); }

/* ---- Scroll reveal (only when JS + motion allowed) ---- */
.can-reveal [data-reveal] {
  opacity: 0; transform: translateY(16px);
  transition: opacity 600ms var(--ease-out), transform 600ms var(--ease-out);
  transition-delay: var(--delay, 0s);
}
.can-reveal [data-reveal].is-revealed { opacity: 1; transform: none; }

/* ---- Reduced motion: no movement, instant state changes ---- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0s !important;
  }
}