/* ==========================================================================
   Reset, typography primitives, layout primitives
   ========================================================================== */

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

* {
  margin: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  /* anchored sections clear the sticky nav */
  scroll-padding-top: calc(var(--nav-h-compact) + 1.5rem);
}

body {
  background: var(--ink);
  color: var(--text-on-dark);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  font-synthesis-weight: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img,
svg,
canvas,
video {
  display: block;
  max-width: 100%;
}

img {
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

ul,
ol {
  list-style: none;
  padding: 0;
}

h1,
h2,
h3,
h4 {
  font-weight: 500;
  text-wrap: balance;
}

p {
  text-wrap: pretty;
}

::selection {
  background: var(--orange);
  color: #fff;
}

/* --- focus ---------------------------------------------------------------
   Visible on keyboard only, but never suppressed entirely.                  */
:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip-link {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 200;
  padding: 0.85rem 1.4rem;
  background: var(--orange);
  color: #fff;
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: var(--tr-mono);
  text-transform: uppercase;
  transform: translateY(-120%);
  transition: transform var(--dur-fast) var(--ease-out-quart);
}

.skip-link:focus-visible {
  transform: translateY(0);
}

/* ==========================================================================
   Layout primitives
   ========================================================================== */

.section {
  position: relative;
  background: var(--bg);
  color: var(--fg);
  padding-block: var(--section-y);
}

.section--flush {
  padding-block: 0;
}

.shell {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.grid12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(1rem, 2.2vw, 2rem);
}

@media (max-width: 860px) {
  .grid12 {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}

/* ==========================================================================
   Type primitives
   ========================================================================== */

.display-xl,
.display-l,
.display-m,
.display-s {
  font-family: var(--font-display);
  font-weight: 500;
}

.display-xl {
  font-size: var(--fs-display-xl);
  line-height: var(--lh-display);
  letter-spacing: var(--tr-display);
}

.display-l {
  font-size: var(--fs-display-l);
  line-height: var(--lh-heading);
  letter-spacing: var(--tr-heading);
}

.display-m {
  font-size: var(--fs-display-m);
  line-height: 1.12;
  letter-spacing: var(--tr-heading);
}

.display-s {
  font-size: var(--fs-display-s);
  line-height: 1.25;
  letter-spacing: -0.015em;
}

.lede {
  font-size: var(--fs-body-l);
  line-height: 1.6;
  color: var(--muted);
  max-width: 56ch;
}

.mono {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  font-weight: 500;
  letter-spacing: var(--tr-mono);
  text-transform: uppercase;
}

.mono--sm {
  font-size: var(--fs-mono-s);
}

.accent {
  color: var(--orange);
}

/* Eyebrow: mono label preceded by a short orange rule. */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  font-weight: 500;
  letter-spacing: var(--tr-mono);
  text-transform: uppercase;
  color: var(--muted);
}

.eyebrow::before {
  content: "";
  width: 2rem;
  height: 1px;
  background: var(--orange);
  flex: none;
}

/* Section header: mono index + display heading. */
.sec-head {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: clamp(2.5rem, 5vw, 4.5rem);
}

.sec-head__index {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  font-weight: 500;
  letter-spacing: var(--tr-mono);
  color: var(--accent-text);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  --btn-pad-y: 1.05rem;
  --btn-pad-x: 1.9rem;
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  padding: var(--btn-pad-y) var(--btn-pad-x);
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  font-weight: 500;
  letter-spacing: var(--tr-mono);
  text-transform: uppercase;
  border: 1px solid transparent;
  overflow: hidden;
  isolation: isolate;
  transition: color var(--dur-fast) var(--ease-out-quart),
    border-color var(--dur-fast) var(--ease-out-quart);
}

/* wipe fill, revealed on hover */
.btn::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform var(--dur-base) var(--ease-out-expo);
}

.btn:hover::after,
.btn:focus-visible::after {
  transform: scaleY(1);
}

.btn__arrow {
  transition: transform var(--dur-base) var(--ease-out-expo);
}

.btn:hover .btn__arrow {
  transform: translate(3px, -3px);
}

.btn--primary {
  background: var(--orange);
  color: #fff;
}

.btn--primary::after {
  background: #fff;
}

.btn--primary:hover,
.btn--primary:focus-visible {
  color: var(--ink);
}

.btn--ghost {
  border-color: var(--rule-strong);
  color: var(--fg);
}

.btn--ghost::after {
  background: var(--fg);
}

.btn--ghost:hover,
.btn--ghost:focus-visible {
  color: var(--bg);
  border-color: var(--fg);
}

/* Inline text link with an orange rule that draws in from the left. */
.link-rule {
  position: relative;
  display: inline-block;
  padding-bottom: 2px;
}

.link-rule::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--orange);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-base) var(--ease-out-expo);
}

.link-rule:hover::after,
.link-rule:focus-visible::after {
  transform: scaleX(1);
}

/* ==========================================================================
   Texture: fine grid + noise. Decorative, pointer-events none.
   ========================================================================== */

.texture-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(var(--rule) 1px, transparent 1px),
    linear-gradient(90deg, var(--rule) 1px, transparent 1px);
  background-size: 88px 88px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 20%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 20%, transparent 78%);
}

.noise {
  position: fixed;
  inset: 0;
  z-index: 80;
  pointer-events: none;
  opacity: 0.035;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ==========================================================================
   Motion: reveal primitive.
   Elements start hidden ONLY once JS has confirmed it will animate them, so a
   JS failure or a no-JS visitor still sees fully readable content.
   ========================================================================== */

.js-motion [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
}

.js-motion [data-reveal-lines] .line__inner {
  transform: translateY(105%);
}

[data-reveal-lines] .line {
  display: block;
  overflow: hidden;
  padding-bottom: 0.06em;
}

[data-reveal-lines] .line__inner {
  display: block;
  will-change: transform;
}

@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;
  }

  /* never leave content hidden waiting for an animation that will not run */
  .js-motion [data-reveal],
  .js-motion [data-reveal-lines] .line__inner {
    opacity: 1 !important;
    transform: none !important;
  }
}

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