/* ==========================================================================
   Apprend Technologies — products.aiknol.com
   A precision-instrument catalogue. Near-black canvas, hairline grid,
   nine products each holding one hue of a single spectrum.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Tokens
   -------------------------------------------------------------------------- */

:root {
  /* Surfaces — cool-cast near-black, four steps of elevation */
  --ink-000: #06070a;
  --ink-050: #090b11;
  --ink-100: #0d0f16;
  --ink-200: #12141d;
  --ink-300: #191c27;

  /* Hairlines */
  --line: rgba(255, 255, 255, 0.07);
  --line-2: rgba(255, 255, 255, 0.12);
  --line-3: rgba(255, 255, 255, 0.2);

  /* Type */
  --text: #edeff5;
  --text-2: #9aa1b2;
  --text-3: #656c7e;
  --text-4: #434959;

  /* The nine. Order matters — this is the spectrum. */
  --p1: #2dd4bf;
  --p2: #f0b429;
  --p3: #fb7185;
  --p4: #a78bfa;
  --p5: #38bdf8;
  --p6: #4ade80;
  --p7: #f472b6;
  --p8: #fb923c;
  --p9: #818cf8;

  /* Default accent — overridden per product via inline custom property */
  --accent: var(--p5);

  --spectrum: linear-gradient(
    90deg,
    var(--p1) 0%, var(--p2) 12.5%, var(--p3) 25%, var(--p4) 37.5%,
    var(--p5) 50%, var(--p6) 62.5%, var(--p7) 75%, var(--p8) 87.5%, var(--p9) 100%
  );

  /* Fonts */
  --font-display: "Bricolage Grotesque", "Trebuchet MS", sans-serif;
  --font-body: "Instrument Sans", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "Martian Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  /* Rhythm */
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --measure: 78rem;
  --radius: 14px;
  --radius-lg: 22px;

  /* Motion */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-io: cubic-bezier(0.65, 0, 0.35, 1);
}

/* --------------------------------------------------------------------------
   2. Reset & base
   -------------------------------------------------------------------------- */

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

* { margin: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  min-height: 100%;
  background: var(--ink-000);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  font-synthesis-weight: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

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

::selection { background: color-mix(in oklab, var(--accent) 40%, transparent); color: #fff; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Ambient field — grid, two coloured glows, and a grain plate.
   Fixed so the page slides over a stationary atmosphere. */
.field {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

.field::before {
  /* the technical grid, faded out toward the edges */
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(ellipse 90% 65% at 50% 22%, #000 0%, transparent 78%);
  mask-image: radial-gradient(ellipse 90% 65% at 50% 22%, #000 0%, transparent 78%);
}

.field::after {
  content: "";
  position: absolute;
  inset: -20%;
  background:
    radial-gradient(38rem 30rem at 12% 4%, rgba(45, 212, 191, 0.11), transparent 60%),
    radial-gradient(42rem 34rem at 88% 12%, rgba(129, 140, 248, 0.13), transparent 62%),
    radial-gradient(34rem 28rem at 60% 46%, rgba(244, 114, 182, 0.055), transparent 65%);
  filter: blur(4px);
}

.grain {
  position: fixed;
  inset: 0;
  z-index: 9998;
  pointer-events: none;
  opacity: 0.28;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* --------------------------------------------------------------------------
   3. Layout primitives
   -------------------------------------------------------------------------- */

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

.section { padding-block: clamp(4.5rem, 9vw, 8.5rem); position: relative; }
.section--tight { padding-block: clamp(3rem, 6vw, 5rem); }

.rule {
  height: 1px;
  border: 0;
  background: linear-gradient(90deg, transparent, var(--line-2) 18%, var(--line-2) 82%, transparent);
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 10000;
  padding: 0.75rem 1.25rem;
  background: var(--ink-200);
  border: 1px solid var(--line-2);
  border-radius: 8px;
}
.skip:focus { left: 1rem; top: 1rem; }

/* --------------------------------------------------------------------------
   4. Type scale
   -------------------------------------------------------------------------- */

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-3);
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}

.eyebrow::before {
  content: "";
  width: 1.75rem;
  height: 1px;
  background: var(--accent);
  opacity: 0.85;
}

.eyebrow--plain::before { display: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.04;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.display {
  font-size: clamp(2.75rem, 7.4vw, 5.75rem);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 0.95;
}

.h2 { font-size: clamp(1.9rem, 4vw, 3rem); }
.h3 { font-size: clamp(1.25rem, 2.2vw, 1.6rem); letter-spacing: -0.025em; }

.lede {
  font-size: clamp(1.0625rem, 1.5vw, 1.25rem);
  line-height: 1.62;
  color: var(--text-2);
  max-width: 46ch;
  text-wrap: pretty;
}

.muted { color: var(--text-2); }
.dim { color: var(--text-3); }

.sweep {
  background: var(--spectrum);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.mono {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
}

/* --------------------------------------------------------------------------
   5. Header
   -------------------------------------------------------------------------- */

.header {
  position: sticky;
  top: 0;
  z-index: 500;
  transition: background 0.35s var(--ease), border-color 0.35s var(--ease),
    backdrop-filter 0.35s var(--ease);
  border-bottom: 1px solid transparent;
}

.header.is-stuck {
  background: color-mix(in oklab, var(--ink-000) 78%, transparent);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-bottom-color: var(--line);
}

.header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  height: 4.5rem;
}

/* Mark — a 3×3 grid of the nine product hues. One dot per product. */
.mark { display: flex; align-items: center; gap: 0.7rem; flex-shrink: 0; }

.mark__grid { width: 24px; height: 24px; overflow: visible; }
.mark__grid circle { transition: transform 0.5s var(--ease), opacity 0.5s var(--ease); transform-origin: center; }
.mark:hover .mark__grid circle { opacity: 1; }
.mark:hover .mark__grid circle:nth-child(odd) { transform: scale(1.35); }

.mark__word {
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  white-space: nowrap;
}
.mark__word span { color: var(--text-3); font-weight: 400; }

.nav { display: flex; align-items: center; gap: 0.25rem; }

.nav__link {
  font-size: 0.875rem;
  color: var(--text-2);
  padding: 0.5rem 0.85rem;
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
}
.nav__link:hover { color: var(--text); background: rgba(255, 255, 255, 0.045); }
.nav__link[aria-current="page"] { color: var(--text); }

.nav__cta {
  /* inline-flex, not inline: the global `svg { display: block }` would
     otherwise drop the arrow onto its own line */
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 0.55rem 1rem;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  color: var(--text);
  transition: border-color 0.25s, background 0.25s, transform 0.25s var(--ease);
  white-space: nowrap;
}
.nav__cta:hover {
  border-color: var(--line-3);
  background: rgba(255, 255, 255, 0.055);
  transform: translateY(-1px);
}

/* Products dropdown */
.menu { position: relative; }

.menu__btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.875rem;
  color: var(--text-2);
  padding: 0.5rem 0.85rem;
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
}
.menu__btn:hover, .menu__btn[aria-expanded="true"] { color: var(--text); background: rgba(255, 255, 255, 0.045); }
.menu__btn svg { transition: transform 0.3s var(--ease); }
.menu__btn[aria-expanded="true"] svg { transform: rotate(180deg); }

.menu__panel {
  position: absolute;
  top: calc(100% + 0.65rem);
  left: 50%;
  translate: -50% 0;
  width: min(30rem, calc(100vw - 2rem));
  padding: 0.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.125rem;
  background: color-mix(in oklab, var(--ink-200) 94%, transparent);
  backdrop-filter: blur(24px) saturate(150%);
  -webkit-backdrop-filter: blur(24px) saturate(150%);
  border: 1px solid var(--line-2);
  border-radius: var(--radius);
  box-shadow: 0 28px 60px -20px rgba(0, 0, 0, 0.85), 0 0 0 1px rgba(0, 0, 0, 0.4);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 0.24s var(--ease), transform 0.24s var(--ease), visibility 0.24s;
}
.menu__panel.is-open { opacity: 1; visibility: visible; transform: translateY(0); }

.menu__item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.55rem 0.7rem;
  border-radius: 9px;
  font-size: 0.875rem;
  color: var(--text-2);
  transition: background 0.18s, color 0.18s;
}
.menu__item:hover { background: rgba(255, 255, 255, 0.05); color: var(--text); }
.menu__dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px color-mix(in oklab, var(--accent) 70%, transparent);
  flex-shrink: 0;
}
.menu__soon {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.5rem;
  letter-spacing: 0.1em;
  color: var(--text-4);
  text-transform: uppercase;
}

.burger { display: none; padding: 0.5rem; border-radius: 8px; }
.burger:hover { background: rgba(255, 255, 255, 0.05); }
.burger span {
  display: block; width: 18px; height: 1.5px; background: var(--text);
  border-radius: 2px; transition: transform 0.3s var(--ease), opacity 0.2s;
}
.burger span + span { margin-top: 4.5px; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* --------------------------------------------------------------------------
   6. Buttons
   -------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  padding: 0.8rem 1.4rem;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform 0.3s var(--ease), background 0.25s, border-color 0.25s,
    box-shadow 0.3s var(--ease), color 0.25s;
  white-space: nowrap;
}

.btn svg { transition: transform 0.3s var(--ease); }
.btn:hover svg { transform: translate(2px, -2px); }
.btn--down:hover svg { transform: translate(0, 2px); }

.btn--primary {
  background: var(--text);
  color: var(--ink-000);
  font-weight: 600;
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px -10px rgba(255, 255, 255, 0.28);
}

.btn--accent {
  background: color-mix(in oklab, var(--accent) 16%, transparent);
  border-color: color-mix(in oklab, var(--accent) 42%, transparent);
  color: color-mix(in oklab, var(--accent) 82%, white);
}
.btn--accent:hover {
  transform: translateY(-2px);
  background: color-mix(in oklab, var(--accent) 26%, transparent);
  border-color: color-mix(in oklab, var(--accent) 68%, transparent);
  box-shadow: 0 14px 34px -12px color-mix(in oklab, var(--accent) 55%, transparent);
}

.btn--ghost {
  border-color: var(--line-2);
  color: var(--text);
}
.btn--ghost:hover {
  transform: translateY(-2px);
  border-color: var(--line-3);
  background: rgba(255, 255, 255, 0.05);
}

.btn--sm { font-size: 0.8125rem; padding: 0.55rem 1rem; }

.btn:disabled, .btn.is-disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

/* --------------------------------------------------------------------------
   7. Pills & tags
   -------------------------------------------------------------------------- */

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.3rem 0.7rem 0.3rem 0.55rem;
  border-radius: 999px;
  border: 1px solid var(--line-2);
  color: var(--text-2);
  background: rgba(255, 255, 255, 0.02);
}

.pill__dot {
  width: 5px; height: 5px; border-radius: 50%;
  background: currentColor;
}

.pill--live {
  color: color-mix(in oklab, var(--p6) 78%, white);
  border-color: color-mix(in oklab, var(--p6) 35%, transparent);
  background: color-mix(in oklab, var(--p6) 10%, transparent);
}
.pill--live .pill__dot {
  background: var(--p6);
  box-shadow: 0 0 0 0 color-mix(in oklab, var(--p6) 70%, transparent);
  animation: ping 2.4s var(--ease-io) infinite;
}

@keyframes ping {
  0% { box-shadow: 0 0 0 0 color-mix(in oklab, var(--p6) 60%, transparent); }
  70%, 100% { box-shadow: 0 0 0 6px transparent; }
}

.pill--soon {
  color: var(--text-3);
  border-style: dashed;
}

/* --------------------------------------------------------------------------
   8. Hero (home)
   -------------------------------------------------------------------------- */

.hero { padding-block: clamp(3.5rem, 9vw, 7.5rem) clamp(3rem, 6vw, 5rem); position: relative; }

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: start;
}

.hero__title { margin-block: 1.5rem 1.75rem; }

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2.25rem;
}

.hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(1.5rem, 4vw, 3.25rem);
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}

.stat__n {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
}
.stat__l {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-top: 0.6rem;
}

/* The manifest — a numbered index of all nine, styled like a spec sheet */
.manifest {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.008));
  overflow: hidden;
  position: relative;
}

.manifest::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: var(--spectrum);
  opacity: 0.9;
}

.manifest__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.15rem;
  border-bottom: 1px solid var(--line);
}

.manifest__row {
  --accent: var(--p5);
  display: grid;
  grid-template-columns: 2.25rem 1fr auto;
  align-items: center;
  gap: 0.85rem;
  padding: 0.72rem 1.15rem;
  border-bottom: 1px solid var(--line);
  position: relative;
  transition: background 0.22s, padding-left 0.28s var(--ease);
}
.manifest__row:last-child { border-bottom: 0; }
.manifest__row::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 2px;
  background: var(--accent);
  transform: scaleY(0);
  transform-origin: center;
  transition: transform 0.3s var(--ease);
}
.manifest__row:hover { background: rgba(255, 255, 255, 0.035); padding-left: 1.5rem; }
.manifest__row:hover::before { transform: scaleY(1); }

.manifest__n {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  color: var(--text-4);
  letter-spacing: 0.06em;
  transition: color 0.22s;
}
.manifest__row:hover .manifest__n { color: var(--accent); }

.manifest__name {
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: -0.015em;
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
  min-width: 0;
}
.manifest__name em {
  font-style: normal;
  font-size: 0.75rem;
  color: var(--text-3);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.manifest__arrow {
  color: var(--text-4);
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity 0.24s, transform 0.24s var(--ease), color 0.24s;
}
.manifest__row:hover .manifest__arrow { opacity: 1; transform: translateX(0); color: var(--accent); }

/* Spectrum rail — the signature element, reused as card edging */
.rail {
  height: 3px;
  border-radius: 3px;
  background: var(--spectrum);
  opacity: 0.85;
}

/* --------------------------------------------------------------------------
   9. Product cards
   -------------------------------------------------------------------------- */

.section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: clamp(2.25rem, 4vw, 3.5rem);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(20.5rem, 1fr));
  gap: 1.125rem;
}

.card {
  --accent: var(--p5);
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 1.6rem 1.6rem 1.4rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.032), rgba(255, 255, 255, 0.006));
  overflow: hidden;
  isolation: isolate;
  transition: border-color 0.35s var(--ease), transform 0.4s var(--ease),
    box-shadow 0.4s var(--ease);
}

/* pointer-tracked bloom */
.card::before {
  content: "";
  position: absolute;
  inset: -1px;
  z-index: -1;
  background: radial-gradient(
    18rem 18rem at var(--mx, 50%) var(--my, 0%),
    color-mix(in oklab, var(--accent) 16%, transparent),
    transparent 62%
  );
  opacity: 0;
  transition: opacity 0.4s var(--ease);
}

/* accent edging along the top */
.card::after {
  content: "";
  position: absolute;
  top: 0; left: 1.6rem; right: 1.6rem;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.45;
  transition: opacity 0.4s var(--ease), left 0.5s var(--ease), right 0.5s var(--ease);
}

.card:hover {
  transform: translateY(-4px);
  border-color: color-mix(in oklab, var(--accent) 32%, var(--line));
  box-shadow: 0 26px 60px -28px rgba(0, 0, 0, 0.9);
}
.card:hover::before { opacity: 1; }
.card:hover::after { opacity: 1; left: 0; right: 0; }

.card__n {
  position: absolute;
  top: 1.15rem;
  right: 1.4rem;
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.08em;
  color: var(--text-4);
  transition: color 0.35s;
}
.card:hover .card__n { color: color-mix(in oklab, var(--accent) 65%, var(--text-3)); }

.card__icon {
  width: 2.75rem;
  height: 2.75rem;
  display: grid;
  place-items: center;
  border-radius: 12px;
  border: 1px solid color-mix(in oklab, var(--accent) 26%, transparent);
  background: color-mix(in oklab, var(--accent) 11%, transparent);
  color: var(--accent);
  margin-bottom: 1.1rem;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease),
    background 0.35s;
}
.card:hover .card__icon {
  transform: translateY(-2px) rotate(-4deg);
  background: color-mix(in oklab, var(--accent) 17%, transparent);
  box-shadow: 0 10px 26px -10px color-mix(in oklab, var(--accent) 60%, transparent);
}
.card__icon svg { width: 20px; height: 20px; }

.card__name {
  font-family: var(--font-display);
  font-size: 1.3125rem;
  font-weight: 600;
  letter-spacing: -0.028em;
  margin-bottom: 0.45rem;
}

.card__one {
  font-size: 0.90625rem;
  line-height: 1.55;
  color: var(--text-2);
  margin-bottom: 1.15rem;
  text-wrap: pretty;
}

.card__feats {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
  display: grid;
  gap: 0.5rem;
  font-size: 0.84375rem;
  color: var(--text-2);
}

.card__feats li {
  display: grid;
  grid-template-columns: 0.9rem 1fr;
  gap: 0.55rem;
  align-items: start;
  line-height: 1.45;
}

.card__feats svg {
  width: 0.9rem; height: 0.9rem;
  margin-top: 0.24rem;
  color: var(--accent);
  opacity: 0.9;
  flex-shrink: 0;
}

.card__foot {
  margin-top: auto;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.card__link {
  font-size: 0.8125rem;
  color: var(--text-3);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.2rem;
  transition: color 0.22s;
}
.card__link:hover { color: var(--text); }
.card__link svg { transition: transform 0.28s var(--ease); }
.card__link:hover svg { transform: translateX(3px); }

.card__soon {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-4);
  border: 1px dashed var(--line-2);
  border-radius: 999px;
  padding: 0.45rem 0.85rem;
}

/* --------------------------------------------------------------------------
   10. Principles / generic feature grids
   -------------------------------------------------------------------------- */

.trio {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
  gap: 1.125rem;
}

.tile {
  padding: 1.6rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.028), rgba(255, 255, 255, 0.005));
  transition: border-color 0.3s, transform 0.35s var(--ease), background 0.3s;
}
.tile:hover {
  border-color: color-mix(in oklab, var(--accent) 26%, var(--line));
  transform: translateY(-3px);
}

.tile__icon {
  width: 2.25rem; height: 2.25rem;
  display: grid; place-items: center;
  border-radius: 10px;
  color: var(--accent);
  background: color-mix(in oklab, var(--accent) 11%, transparent);
  border: 1px solid color-mix(in oklab, var(--accent) 22%, transparent);
  margin-bottom: 1rem;
}
.tile__icon svg { width: 17px; height: 17px; }

.tile h3 {
  font-size: 1.0625rem;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}
.tile p { font-size: 0.90625rem; color: var(--text-2); line-height: 1.6; text-wrap: pretty; }

.tile__n {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  opacity: 0.75;
  margin-bottom: 0.9rem;
  display: block;
}

/* --------------------------------------------------------------------------
   11. Product page
   -------------------------------------------------------------------------- */

.crumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-4);
  padding-top: 2rem;
}
.crumbs a { color: var(--text-3); transition: color 0.2s; }
.crumbs a:hover { color: var(--text); }

.phero { padding-block: clamp(2.5rem, 6vw, 4.5rem) clamp(3rem, 6vw, 4.5rem); position: relative; }

.phero::before {
  content: "";
  position: absolute;
  top: -10rem; left: 50%;
  translate: -50% 0;
  width: min(64rem, 110vw);
  height: 34rem;
  background: radial-gradient(
    50% 50% at 50% 50%,
    color-mix(in oklab, var(--accent) 17%, transparent),
    transparent 70%
  );
  filter: blur(30px);
  pointer-events: none;
  z-index: -1;
}

.phero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.phero__badge {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.phero__mark {
  width: 3.5rem; height: 3.5rem;
  display: grid; place-items: center;
  border-radius: 15px;
  color: var(--accent);
  background: color-mix(in oklab, var(--accent) 13%, transparent);
  border: 1px solid color-mix(in oklab, var(--accent) 30%, transparent);
  box-shadow: 0 14px 34px -14px color-mix(in oklab, var(--accent) 70%, transparent);
  flex-shrink: 0;
}
.phero__mark svg { width: 26px; height: 26px; }

.phero__name {
  font-size: clamp(2.5rem, 6.2vw, 4.5rem);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 0.98;
  margin-bottom: 1rem;
}

.phero__tag {
  font-family: var(--font-display);
  font-size: clamp(1.125rem, 2.1vw, 1.5rem);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.3;
  color: color-mix(in oklab, var(--accent) 60%, var(--text));
  margin-bottom: 1.25rem;
  max-width: 30ch;
  text-wrap: balance;
}

.phero__actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 2rem; }

.spec {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.006));
  overflow: hidden;
}
.spec__head {
  padding: 0.85rem 1.1rem;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-3);
}
.spec__row {
  display: grid;
  grid-template-columns: 8rem 1fr;
  gap: 1rem;
  padding: 0.72rem 1.1rem;
  border-bottom: 1px solid var(--line);
  font-size: 0.84375rem;
}
.spec__row:last-child { border-bottom: 0; }
.spec__k {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-4);
  padding-top: 0.2rem;
}
.spec__v { color: var(--text-2); }

/* Screenshot placeholders — a framed application window, tinted by accent */
.shots {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  gap: 1.125rem;
}

/* The two small frames divide exactly the height the large one sets, so the
   pair reads as one composed figure rather than two boxes that nearly line up. */
.shots__stack {
  display: grid;
  grid-template-rows: 1fr 1fr;
  gap: 1.125rem;
  min-height: 0;
}

.shot {
  display: grid;
  grid-template-rows: auto 1fr;
  min-height: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-100);
  position: relative;
  transition: border-color 0.35s, transform 0.4s var(--ease);
}
.shot:hover { border-color: color-mix(in oklab, var(--accent) 28%, var(--line)); transform: translateY(-3px); }

.shot__chrome {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.022);
}
.shot__dot { width: 7px; height: 7px; border-radius: 50%; background: var(--line-3); }
.shot__url {
  margin-left: 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.5rem;
  letter-spacing: 0.06em;
  color: var(--text-4);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.shot__body {
  position: relative;
  aspect-ratio: 16 / 10;
  padding: 1rem;
  display: grid;
  gap: 0.7rem;
  background:
    radial-gradient(20rem 14rem at 22% 8%, color-mix(in oklab, var(--accent) 13%, transparent), transparent 70%),
    var(--ink-050);
  overflow: hidden;
}

/* The small frames take whatever height the stack allots them. */
.shot--sm .shot__body { aspect-ratio: auto; min-height: 8rem; }

.sk {
  border-radius: 6px;
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.045) 0%,
    rgba(255, 255, 255, 0.09) 50%,
    rgba(255, 255, 255, 0.045) 100%
  );
  background-size: 220% 100%;
  animation: shimmer 3.2s var(--ease-io) infinite;
}
.sk--accent {
  background: linear-gradient(
    90deg,
    color-mix(in oklab, var(--accent) 14%, transparent) 0%,
    color-mix(in oklab, var(--accent) 34%, transparent) 50%,
    color-mix(in oklab, var(--accent) 14%, transparent) 100%
  );
  background-size: 220% 100%;
}

@keyframes shimmer {
  0% { background-position: 130% 0; }
  100% { background-position: -130% 0; }
}

.shot__rows { display: grid; grid-template-columns: 1fr 2.4fr; gap: 0.7rem; height: 100%; }
.shot__side { display: grid; grid-auto-rows: 0.55rem; gap: 0.5rem; align-content: start; }
.shot__main { display: grid; grid-template-rows: 2.6rem 1fr; gap: 0.7rem; }
.shot__bars { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.5rem; align-items: end; }

.shot__label {
  position: absolute;
  inset: auto 0 0 0;
  padding: 0.55rem 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.5rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-4);
  background: linear-gradient(0deg, color-mix(in oklab, var(--ink-000) 92%, transparent), transparent);
}

/* Steps */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 1.125rem;
  counter-reset: step;
}

.step {
  position: relative;
  padding: 1.4rem 1.4rem 1.4rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.018);
  transition: border-color 0.3s, background 0.3s;
}
.step:hover { border-color: color-mix(in oklab, var(--accent) 24%, var(--line)); background: rgba(255, 255, 255, 0.032); }

.step__n {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.55rem;
}
.step__n::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, color-mix(in oklab, var(--accent) 45%, transparent), transparent);
}
.step h3 { font-size: 1rem; letter-spacing: -0.02em; margin-bottom: 0.45rem; }
.step p { font-size: 0.875rem; color: var(--text-2); line-height: 1.58; text-wrap: pretty; }

/* Inside list — two columns of hairline-separated detail rows */
.inside {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(20rem, 1fr));
  gap: 0 3rem;
}
.inside__row {
  display: grid;
  grid-template-columns: 1.15rem 1fr;
  gap: 0.85rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.90625rem;
  color: var(--text-2);
  line-height: 1.55;
}
.inside__row svg { width: 1.15rem; height: 1.15rem; color: var(--accent); margin-top: 0.15rem; opacity: 0.85; }
.inside__row strong { color: var(--text); font-weight: 500; }

/* CTA band */
.band {
  position: relative;
  padding: clamp(2.5rem, 6vw, 4.25rem);
  border: 1px solid var(--line-2);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(38rem 22rem at 50% 0%, color-mix(in oklab, var(--accent) 15%, transparent), transparent 70%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.008));
  text-align: center;
  overflow: hidden;
}
.band::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}
.band h2 { margin-bottom: 0.9rem; }
.band .lede { margin-inline: auto; text-align: center; }
.band__actions { display: flex; flex-wrap: wrap; gap: 0.75rem; justify-content: center; margin-top: 2rem; }

/* Prev / next */
.pn {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.125rem;
}
.pn__item {
  --accent: var(--p5);
  padding: 1.25rem 1.4rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.3s, background 0.3s, transform 0.35s var(--ease);
  display: block;
}
.pn__item:hover {
  border-color: color-mix(in oklab, var(--accent) 30%, var(--line));
  background: rgba(255, 255, 255, 0.03);
  transform: translateY(-2px);
}
.pn__item--next { text-align: right; }
.pn__k {
  font-family: var(--font-mono);
  font-size: 0.5rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-4);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.5rem;
}
.pn__item--next .pn__k { justify-content: flex-end; }
.pn__item--next .pn__v { flex-direction: row; }
.pn__v {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.pn__v .menu__dot { width: 6px; height: 6px; }

/* --------------------------------------------------------------------------
   12. Footer
   -------------------------------------------------------------------------- */

.footer {
  border-top: 1px solid var(--line);
  margin-top: clamp(3rem, 7vw, 6rem);
  padding-block: clamp(3rem, 6vw, 4.5rem) 2rem;
  background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.014));
}

.footer__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr));
  gap: clamp(2rem, 4vw, 3rem);
}

.footer__blurb {
  font-size: 0.875rem;
  color: var(--text-3);
  line-height: 1.65;
  max-width: 34ch;
  margin-top: 1rem;
}

.footer h4 {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-4);
  margin-bottom: 1.1rem;
}

.footer ul { list-style: none; padding: 0; display: grid; gap: 0.6rem; }
.footer li a {
  font-size: 0.875rem;
  color: var(--text-2);
  transition: color 0.2s, padding-left 0.25s var(--ease);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.footer li a:hover { color: var(--text); padding-left: 3px; }

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: clamp(2.5rem, 5vw, 4rem);
  padding-top: 1.75rem;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-4);
}
.footer__bottom a { color: var(--text-3); transition: color 0.2s; }
.footer__bottom a:hover { color: var(--text); }

/* --------------------------------------------------------------------------
   13. Reveal animation
   -------------------------------------------------------------------------- */

.rv {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.75s var(--ease), transform 0.75s var(--ease);
  transition-delay: var(--d, 0ms);
}
.rv.is-in { opacity: 1; transform: none; }

/* First paint on the hero runs on a timer, not on scroll */
.load > * { animation: rise 0.9s var(--ease) both; }
.load > *:nth-child(1) { animation-delay: 0.05s; }
.load > *:nth-child(2) { animation-delay: 0.13s; }
.load > *:nth-child(3) { animation-delay: 0.21s; }
.load > *:nth-child(4) { animation-delay: 0.29s; }
.load > *:nth-child(5) { animation-delay: 0.37s; }

@keyframes rise {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: none; }
}

/* --------------------------------------------------------------------------
   14. Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 68rem) {
  .hero__grid, .phero__grid { grid-template-columns: 1fr; }
  .manifest { max-width: 34rem; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .shots { grid-template-columns: 1fr; }
  .shots__stack { display: none; }
}

@media (max-width: 52rem) {
  .nav { display: none; }
  .burger { display: block; }

  .header__bar { height: 4rem; }

  /* mobile drawer */
  .nav.is-open {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0.15rem;
    position: absolute;
    top: 100%;
    left: var(--gutter);
    right: var(--gutter);
    padding: 0.65rem;
    background: color-mix(in oklab, var(--ink-200) 96%, transparent);
    backdrop-filter: blur(24px) saturate(150%);
    -webkit-backdrop-filter: blur(24px) saturate(150%);
    border: 1px solid var(--line-2);
    border-radius: var(--radius);
    box-shadow: 0 30px 60px -22px rgba(0, 0, 0, 0.9);
    animation: rise 0.3s var(--ease) both;
  }
  .nav.is-open .nav__link, .nav.is-open .menu__btn { padding: 0.7rem 0.75rem; }
  .nav.is-open .nav__cta { margin-top: 0.4rem; justify-content: center; }
  .pn__item--next .pn__k { justify-content: flex-start; }
  .nav.is-open .menu { width: 100%; }
  .nav.is-open .menu__btn { width: 100%; justify-content: space-between; }
  .nav.is-open .menu__panel {
    position: static;
    translate: none;
    width: 100%;
    transform: none;
    box-shadow: none;
    border: 0;
    background: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    padding: 0.25rem 0 0.5rem;
    display: none;
  }
  .nav.is-open .menu__panel.is-open { display: grid; opacity: 1; visibility: visible; }

  .pn { grid-template-columns: 1fr; }
  .pn__item--next { text-align: left; }
  .spec__row { grid-template-columns: 7rem 1fr; }
}

@media (max-width: 34rem) {
  :root { --radius-lg: 16px; }
  .cards { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .menu__panel { grid-template-columns: 1fr; }
  .hero__stats { gap: 1.5rem 2rem; }
  .card { padding: 1.35rem; }
  .band { padding: 2rem 1.35rem; }
  .btn { width: 100%; }
  .hero__actions .btn, .phero__actions .btn, .band__actions .btn { width: 100%; }
}

/* --------------------------------------------------------------------------
   15. Motion & print preferences
   -------------------------------------------------------------------------- */

@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;
  }
  .rv { opacity: 1; transform: none; }
}

@media print {
  .field, .grain, .header, .band, .pn { display: none; }
  body { background: #fff; color: #000; }
}