/* ============================================================
   LUMINA GRADE — site styles
   Palette and type lifted verbatim from the design documents
   (Lumina Website.dc.html / Website Assets.dc.html)
   ============================================================ */

:root {
  /* surfaces */
  --bg:        #07080A;
  --bg-alt:    #0A0B0E;
  --card:      #0B0D10;
  --card-2:    #0E1114;
  --tile:      #13161B;
  /* lines */
  --line:      #16191F;
  --border:    #232830;
  /* type */
  --text:      #F2F4F6;
  --body:      #A9AFB8;
  --muted:     #7A828C;
  /* accents */
  --teal:      #2FD3B5;
  --blue:      #6FA8F5;
  --amber:     #F0A93B;
  --red:       #FF4D4D;
  --violet:    #A78BFA;

  --sans: 'Liberation Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --mono: 'Liberation Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  --maxw: 1280px;
  --pad: 40px;
  --nav-h: 70px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a { color: var(--text); text-decoration: none; transition: color .25s var(--ease); }
a:hover { color: var(--teal); }

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

h1, h2, h3 { margin: 0; font-weight: 700; letter-spacing: -0.03em; line-height: 1.08; text-wrap: balance; }
p { margin: 0; text-wrap: pretty; }

::selection { background: rgba(47, 211, 181, 0.28); color: var(--text); }

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

/* ---------- layout primitives ---------- */

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
}

.section {
  border-bottom: 1px solid var(--line);
  position: relative;
}
.section--alt { background: var(--bg-alt); }
.section > .wrap { padding-top: 96px; padding-bottom: 96px; }
.section--tight > .wrap { padding-top: 88px; padding-bottom: 88px; }

.eyebrow {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.26em;
  margin-bottom: 20px;
  text-transform: uppercase;
}
.eyebrow--teal   { color: var(--teal); }
.eyebrow--blue   { color: var(--blue); }
.eyebrow--amber  { color: var(--amber); }
.eyebrow--red    { color: var(--red); }
.eyebrow--violet { color: var(--violet); }

.h2 { font-size: clamp(32px, 4vw, 48px); }
.h2--sm { font-size: clamp(30px, 3.4vw, 44px); }
.h2--xs { font-size: clamp(28px, 3vw, 40px); }

.lede {
  margin-top: 22px;
  max-width: 760px;
  color: var(--body);
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.6;
}

.mono {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--muted);
  text-transform: uppercase;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 60px;
  flex-wrap: wrap;
}

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: inherit;
  font-size: 18px;
  font-weight: 700;
  padding: 17px 34px;
  border-radius: 6px;
  border: 1px solid transparent;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease),
              background-color .25s var(--ease), color .25s var(--ease),
              border-color .25s var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--teal);
  color: #07080A;
  box-shadow: 0 0 0 rgba(47, 211, 181, 0);
}
.btn--primary:hover {
  color: #07080A;
  box-shadow: 0 12px 34px -12px rgba(47, 211, 181, 0.7);
}
/* sheen sweep */
.btn--primary::after {
  content: '';
  position: absolute;
  inset: 0 auto 0 -60%;
  width: 45%;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,0.45), transparent);
  transform: skewX(-18deg);
  transition: left .65s var(--ease);
  pointer-events: none;
}
.btn--primary:hover::after { left: 120%; }

.btn--ghost {
  background: var(--tile);
  color: var(--text);
  border-color: var(--border);
}
.btn--ghost:hover { border-color: var(--teal); color: var(--teal); }

.btn--sm { font-size: 15px; padding: 11px 22px; }
.btn--block { display: flex; width: 100%; }

/* ---------- nav ---------- */

.progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--teal), var(--blue));
  z-index: 60;
  will-change: transform;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(7, 8, 10, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  transition: background-color .35s var(--ease), border-color .35s var(--ease);
}
.nav.is-scrolled {
  background: rgba(7, 8, 10, 0.96);
  border-bottom-color: var(--border);
}

.nav-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--pad);
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: height .35s var(--ease);
}
.nav.is-scrolled .nav-inner { height: 60px; }

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.32em;
  white-space: nowrap;
}
.brand svg { width: 22px; height: 22px; color: var(--teal); flex: none; }
.brand:hover { color: var(--text); }
.brand:hover svg { animation: spin 1.2s var(--ease); }
@keyframes spin { to { transform: rotate(180deg); } }

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-links a:not(.btn) {
  color: var(--body);
  font-size: 15px;
  position: relative;
  padding: 6px 0;
}
.nav-links a:not(.btn)::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  height: 1px;
  width: 100%;
  background: var(--teal);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform .3s var(--ease);
}
.nav-links a:not(.btn):hover::after,
.nav-links a.is-active::after { transform: scaleX(1); }
.nav-links a.is-active { color: var(--text); }

.nav-toggle {
  display: none;
  background: var(--tile);
  border: 1px solid var(--border);
  border-radius: 6px;
  width: 42px; height: 40px;
  cursor: pointer;
  padding: 0;
  position: relative;
}
.nav-toggle span {
  position: absolute;
  left: 11px;
  width: 18px; height: 1.5px;
  background: var(--text);
  transition: transform .3s var(--ease), opacity .2s linear;
}
.nav-toggle span:nth-child(1) { top: 15px; }
.nav-toggle span:nth-child(2) { top: 20px; }
.nav-toggle span:nth-child(3) { top: 25px; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

/* ---------- hero ---------- */

.hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--line); }
.hero .wrap { position: relative; padding-top: 96px; padding-bottom: 88px; }

.glow {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}
.glow--hero {
  left: 50%;
  top: -420px;
  width: 1400px;
  height: 900px;
  margin-left: -700px;
  background: radial-gradient(circle, rgba(47,211,181,0.13), rgba(47,211,181,0) 62%);
  animation: drift 18s ease-in-out infinite alternate;
}
.glow--foot {
  left: 50%;
  bottom: -500px;
  width: 1300px;
  height: 900px;
  margin-left: -650px;
  background: radial-gradient(circle, rgba(47,211,181,0.15), rgba(47,211,181,0) 62%);
  animation: drift 22s ease-in-out infinite alternate-reverse;
}
.glow--blue {
  right: -260px;
  top: -280px;
  width: 900px;
  height: 900px;
  background: radial-gradient(circle, rgba(111,168,245,0.14), rgba(111,168,245,0) 66%);
  animation: drift 26s ease-in-out infinite alternate;
}
@keyframes drift {
  from { transform: translate3d(-40px, 0, 0) scale(1); }
  to   { transform: translate3d(40px, 30px, 0) scale(1.08); }
}

.badge {
  display: inline-flex;
  align-items: flex-start;
  gap: 13px;
  margin-bottom: 26px;
  color: var(--teal);
  font-family: var(--mono);
  font-size: clamp(12px, 1.1vw, 14px);
  letter-spacing: 0.26em;
}
.dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--teal);
  flex: none;
  position: relative;
  margin-top: 0.4em;   /* sits on the first line when the label wraps */
}
.dot::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--teal);
  animation: pulse 2.4s var(--ease) infinite;
}
@keyframes pulse {
  0%   { transform: scale(1); opacity: .7; }
  70%  { transform: scale(3.2); opacity: 0; }
  100% { transform: scale(3.2); opacity: 0; }
}

.hero h1 {
  max-width: 1000px;
  font-size: clamp(40px, 6.2vw, 76px);
  line-height: 1.02;
  letter-spacing: -0.035em;
}
.hero h1 .accent { color: var(--teal); }

.hero-sub {
  margin-top: 28px;
  max-width: 720px;
  color: var(--body);
  font-size: clamp(17px, 1.7vw, 22px);
  line-height: 1.55;
}

.hero-cta {
  display: flex;
  gap: 14px;
  margin-top: 38px;
  align-items: center;
  flex-wrap: wrap;
}

.hero-note {
  margin-top: 22px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

/* ---------- image slots ---------- */
/* Frames are intentionally empty until real stills are dropped into
   assets/frames/. See assets/frames/README.txt. */

.slot {
  position: relative;
  margin: 0;
  width: 100%;
  height: 100%;
  min-height: 100%;
  background: var(--card);
  background-size: cover;
  background-position: center;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  isolation: isolate;
}
.slot::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(35, 40, 48, 0.55) 1px, transparent 1px),
    linear-gradient(90deg, rgba(35, 40, 48, 0.55) 1px, transparent 1px);
  background-size: 44px 44px;
  opacity: .5;
  transition: opacity .4s var(--ease);
}
.slot::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(120% 90% at 50% 0%, rgba(47,211,181,0.07), transparent 60%);
}
.slot-label {
  position: relative;
  z-index: 1;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--muted);
  text-transform: uppercase;
  text-align: center;
  padding: 10px 14px;
  max-width: 90%;
  line-height: 1.6;
}
.slot.has-image::before,
.slot.has-image::after,
.slot.has-image .slot-label { display: none; }

.frame {
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  background: var(--card);
  transition: border-color .35s var(--ease), transform .45s var(--ease),
              box-shadow .45s var(--ease);
}
.frame--sm { border-radius: 10px; }
.frame--xs { border-radius: 8px; }
.frame--teal   { border-color: var(--teal); }
.frame--red    { border-color: var(--red); }
.frame--amber  { border-color: var(--amber); }
.frame--violet { border-color: var(--violet); }

.frame--hover:hover {
  transform: translateY(-4px);
  border-color: var(--teal);
  box-shadow: 0 22px 44px -26px rgba(0, 0, 0, 0.9);
}

.ar-16-9  { aspect-ratio: 16/9; }
.ar-ui    { aspect-ratio: 2552/1333; }
.ar-16-10 { aspect-ratio: 16/10; }
.ar-4-3   { aspect-ratio: 4/3; }
.ar-3-4   { aspect-ratio: 3/4; }
.ar-1-1   { aspect-ratio: 1/1; }
.ar-hero  { aspect-ratio: 2.2/1; }

.frames-note {
  margin-top: 24px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 12px 18px;
  border: 1px solid var(--border);
  border-left: 2px solid var(--amber);
  border-radius: 8px;
  background: var(--tile);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  line-height: 1.7;
}

/* ---------- before / after compare ---------- */

.compare {
  position: relative;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  background: var(--card);
  cursor: ew-resize;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
}
.compare > .compare-layer { position: absolute; inset: 0; }
.compare-before {
  position: absolute;
  inset: 0;
  clip-path: inset(0 50% 0 0);
  will-change: clip-path;
}
.compare-handle {
  position: absolute;
  top: 0; bottom: 0;
  left: 50%;
  width: 2px;
  background: var(--teal);
  z-index: 3;
  will-change: left;
  box-shadow: 0 0 18px rgba(47, 211, 181, 0.55);
}
.compare-grip {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 46px; height: 46px;
  border-radius: 50%;
  border: none;
  background: var(--teal);
  color: #07080A;
  font-family: inherit;
  font-size: 15px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: ew-resize;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.compare-grip:hover { transform: translate(-50%, -50%) scale(1.1); }
.compare:active .compare-grip { transform: translate(-50%, -50%) scale(0.94); }
.compare--sm .compare-grip { width: 36px; height: 36px; font-size: 12px; }

.compare-tag {
  position: absolute;
  top: 16px;
  z-index: 4;
  color: var(--text);
  background: rgba(7, 8, 10, 0.72);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  padding: 7px 12px;
  border-radius: 4px;
  pointer-events: none;
}
.compare-tag--l { left: 18px; }
.compare-tag--r { right: 18px; color: var(--teal); }

/* the two stacked layers each carry a placeholder label — park them on
   opposite sides of the handle instead of overprinting each other */
.compare .slot-label {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40%;
}
.compare > .compare-before .slot-label { left: 4%; }
.compare > .compare-layer  .slot-label { right: 4%; }

.compare-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  margin-top: 16px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.16em;
}

/* the sweep the slider performs once, on first view */
.compare.is-demo .compare-before { transition: clip-path 1.5s var(--ease-out); }
.compare.is-demo .compare-handle { transition: left 1.5s var(--ease-out); }

/* ---------- stat strip ---------- */

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.stat {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 28px 26px;
  transition: border-color .35s var(--ease), transform .45s var(--ease);
}
.stat:hover { border-color: var(--teal); transform: translateY(-4px); }
.stat-k {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--muted);
  margin-bottom: 12px;
}
.stat-v {
  font-size: clamp(34px, 4vw, 44px);
  font-weight: 700;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}
.stat-d { margin-top: 8px; color: var(--body); font-size: 16px; }

/* ---------- pipeline cards ---------- */

.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.mt-52 { margin-top: 52px; }
.mt-44 { margin-top: 44px; }
.mt-40 { margin-top: 40px; }
.mt-34 { margin-top: 34px; }
.mt-24 { margin-top: 24px; }

.stage {
  background: var(--card);
  border: 1px solid var(--border);
  border-top: 2px solid var(--teal);
  border-radius: 10px;
  padding: 28px 26px;
  transition: transform .45s var(--ease), box-shadow .45s var(--ease);
}
.stage:hover { transform: translateY(-5px); box-shadow: 0 24px 48px -30px #000; }
.stage--blue   { border-top-color: var(--blue); }
.stage--amber  { border-top-color: var(--amber); }
.stage--red    { border-top-color: var(--red); }
.stage-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 20px;
}
.stage-head b { font-size: 22px; font-weight: 700; }
.stage-head i {
  font-style: normal;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--teal);
}
.stage--blue  .stage-head i { color: var(--blue); }
.stage--amber .stage-head i { color: var(--amber); }
.stage--red   .stage-head i { color: var(--red); }
.stage-list { color: var(--body); font-size: 16px; line-height: 2; }

/* ---------- split columns ---------- */

.split {
  display: flex;
  gap: 72px;
  align-items: flex-start;
}
.split--center { align-items: center; gap: 64px; }
.split > * { min-width: 0; }
.split-1 { flex: 1; }
.split-105 { flex: 1.05; }

.tick-list { display: flex; flex-direction: column; gap: 12px; margin-top: 34px; }
.tick {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  color: var(--body);
  font-size: 18px;
  line-height: 1.5;
}
.tick span:first-child {
  color: var(--teal);
  font-family: var(--mono);
  font-size: 14px;
  padding-top: 4px;
  flex: none;
}

/* ---------- tools ---------- */

.tool-groups { margin-top: 56px; display: flex; flex-direction: column; gap: 52px; }
.group-head {
  display: flex;
  align-items: baseline;
  gap: 18px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}
.group-head b { font-size: clamp(20px, 2.2vw, 26px); }
.group-head i {
  font-style: normal;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.tool-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-top: 22px;
}
.tool-item {
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 14px 16px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: border-color .3s var(--ease), background-color .3s var(--ease),
              transform .35s var(--ease);
}
.tool-item:hover {
  border-color: var(--teal);
  background: var(--card-2);
  transform: translateY(-2px);
}
.tool-item .icon {
  width: 20px; height: 20px;
  flex: none;
  color: var(--muted);
  transition: color .3s var(--ease);
}
.tool-item:hover .icon { color: var(--teal); }
.tool-item span { font-size: 16px; font-weight: 700; }

.icon { fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }

/* ---------- step tiles ---------- */

.step {
  background: var(--tile);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  transition: border-color .35s var(--ease), transform .4s var(--ease);
}
.step:hover { border-color: var(--blue); transform: translateY(-3px); }
.step-k {
  color: var(--blue);
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.18em;
  margin-bottom: 10px;
}
.step p { color: var(--body); font-size: 16px; line-height: 1.5; }

.caption {
  margin-top: 12px;
  display: flex;
  gap: 12px;
  align-items: baseline;
  color: var(--body);
  font-size: 16px;
}
.caption i {
  font-style: normal;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--muted);
  flex: none;
}
.caption i.c-red    { color: var(--red); }
.caption i.c-amber  { color: var(--amber); }
.caption i.c-violet { color: var(--violet); }

.caption--mono {
  margin-top: 12px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.16em;
}
.caption--mono.c-amber  { color: var(--amber); }
.caption--mono.c-violet { color: var(--violet); }

/* ---------- prints / looks grids ---------- */

/* ---------- name chips (prints, signature looks) ---------- */

.chip {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 18px 20px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  transition: border-color .35s var(--ease), transform .4s var(--ease),
              background-color .35s var(--ease);
}
.chip:hover {
  border-color: var(--teal);
  transform: translateY(-3px);
  background: var(--card-2);
}
.chip-n {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--muted);
  flex: none;
  transition: color .3s var(--ease);
}
.chip:hover .chip-n { color: var(--teal); }
.chip-name { font-size: 16px; font-weight: 700; }

.chip--lg { padding: 24px 24px; border-radius: 12px; }
.chip--lg .chip-name { font-size: 20px; letter-spacing: -0.02em; }

/* the pull quote that replaced the philosophy still */
.pull {
  margin: 0;
  border-left: 2px solid var(--teal);
  padding: 8px 0 8px 28px;
}
.pull p {
  color: var(--text);
  font-size: clamp(22px, 2.4vw, 30px);
  line-height: 1.32;
  letter-spacing: -0.02em;
  font-weight: 700;
  text-wrap: balance;
}
.pull cite {
  display: block;
  margin-top: 20px;
  font-style: normal;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--muted);
  text-transform: uppercase;
}

/* ---------- click-to-grade pipeline ---------- */

.pipe { --pipe-ar: 16/9; }

.pipe-view {
  position: relative;
  aspect-ratio: var(--pipe-ar);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  background: var(--card);
}
.pipe-layer {
  position: absolute;
  inset: 0;
  opacity: 0;
  /* stages stack in DOM order, so a later one covers the ones before it */
  transition: opacity .45s var(--ease-out);
  will-change: opacity;
}
.pipe-layer.is-on { opacity: 1; }

.pipe-tag {
  position: absolute;
  left: 18px; top: 16px;
  z-index: 3;
  color: var(--teal);
  background: rgba(7, 8, 10, 0.72);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  padding: 7px 12px;
  border-radius: 4px;
  pointer-events: none;
}

.pipe-cue {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 22px;
  color: var(--teal);
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.24em;
  transition: color .3s var(--ease);
}
.pipe-cue.is-done { color: var(--muted); }
.pipe-cue.is-done .dot { background: var(--muted); }
.pipe-cue.is-done .dot::after { display: none; }

.pipe-steps {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 10px 12px;
  margin-top: 26px;
}

.pipe-arrow {
  color: #333a44;
  font-size: 15px;
  line-height: 1;
  user-select: none;
}

.pipe-step {
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.18em;
  padding: 13px 20px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--tile);
  color: var(--muted);
  cursor: pointer;
  white-space: nowrap;
  transition: color .3s var(--ease), border-color .3s var(--ease),
              background-color .3s var(--ease), transform .3s var(--ease),
              box-shadow .3s var(--ease), opacity .3s var(--ease);
}
.pipe-step:disabled { cursor: default; }
.pipe-plus { margin-right: 5px; opacity: .8; }

/* stages already walked through */
.pipe-step.is-done {
  color: var(--teal);
  border-color: #244f48;
  background: rgba(47, 211, 181, 0.05);
}

/* the stage on screen right now */
.pipe-step.is-active {
  color: #07080A;
  background: var(--teal);
  border-color: var(--teal);
  font-weight: 700;
  box-shadow: 0 12px 30px -14px rgba(47, 211, 181, .85);
}

/* the one to click next */
.pipe-step.is-next {
  color: var(--amber);
  border-color: var(--amber);
  background: rgba(240, 169, 59, 0.07);
  animation: nextPulse 2s var(--ease) infinite;
}
.pipe-step.is-next:hover {
  transform: translateY(-2px);
  background: rgba(240, 169, 59, 0.14);
}
@keyframes nextPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(240, 169, 59, .5); }
  60%      { box-shadow: 0 0 0 8px rgba(240, 169, 59, 0); }
}

/* not reached yet */
.pipe-step:disabled:not(.is-done):not(.is-active) { opacity: .38; }

.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;
}

.grid-chips { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.grid-chips--lg { grid-template-columns: repeat(4, 1fr); gap: 16px; }

/* marquee of look names */
.marquee {
  margin-top: 32px;
  overflow: hidden;
  border-block: 1px solid var(--line);
  padding: 18px 0;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee-track {
  display: flex;
  gap: 44px;
  width: max-content;
  animation: slide 38s linear infinite;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track span {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.24em;
  color: var(--muted);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 44px;
}
.marquee-track span::after {
  content: '';
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--border);
}
@keyframes slide { to { transform: translateX(-50%); } }

/* ---------- split tone bar ---------- */

.tonebar {
  margin-top: 32px;
  background: var(--tile);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
}
.tonebar-keys {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  margin-bottom: 14px;
}
.tonebar-ramp {
  height: 44px;
  border-radius: 6px;
  background: linear-gradient(90deg, #16233a 0%, #2b3a4f 34%, #5b5f56 58%, #8d7a54 78%, #c9a668 100%);
  background-size: 200% 100%;
  animation: ramp 12s ease-in-out infinite alternate;
}
@keyframes ramp {
  from { background-position: 0% 50%; }
  to   { background-position: 100% 50%; }
}
.tonebar-vals {
  display: flex;
  justify-content: space-between;
  margin-top: 14px;
  color: var(--body);
  font-size: 15px;
}

/* ---------- generic cards ---------- */

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 32px 30px;
  transition: transform .45s var(--ease), border-color .35s var(--ease);
}
.card:hover { transform: translateY(-4px); }
.card--teal { border-color: var(--teal); }
.card-k {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--muted);
  margin-bottom: 14px;
}
.card-k.c-teal  { color: var(--teal); }
.card-k.c-amber { color: var(--amber); }
.card-t { font-size: 24px; font-weight: 700; margin-bottom: 12px; }
.card p { color: var(--body); font-size: 18px; line-height: 1.6; }

.pass {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 28px 26px;
  position: relative;
  overflow: hidden;
  transition: transform .45s var(--ease), border-color .35s var(--ease);
}
.pass::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 2px;
  background: var(--teal);
  transform: scaleY(0);
  transform-origin: 50% 0;
  transition: transform .45s var(--ease);
}
.pass:hover { transform: translateY(-4px); border-color: var(--border); }
.pass:hover::before { transform: scaleY(1); }
.pass-head { display: flex; align-items: baseline; gap: 14px; margin-bottom: 14px; }
.pass-head i {
  font-style: normal;
  color: var(--teal);
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.16em;
}
.pass-head b { font-size: 22px; }
.pass p { color: var(--body); font-size: 17px; line-height: 1.55; }

.who { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.who div {
  background: var(--tile);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 26px 22px;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.35;
  transition: border-color .35s var(--ease), transform .4s var(--ease), color .3s var(--ease);
}
.who div:hover { border-color: var(--teal); transform: translateY(-4px); }

.vs-list { display: flex; flex-direction: column; gap: 12px; }
.vs-list div { font-size: 18px; line-height: 1.45; color: var(--body); }
.vs-list--on div { color: var(--text); }
.vs-foot {
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--border);
  color: var(--teal);
  font-size: 18px;
}

/* ---------- accordions ---------- */

.acc {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  transition: border-color .3s var(--ease), background-color .3s var(--ease);
}
.acc[open] { border-color: var(--teal); }
.acc:hover { border-color: #2f3540; }
.acc[open]:hover { border-color: var(--teal); }
.acc > summary {
  list-style: none;
  cursor: pointer;
  padding: 22px 26px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-size: 19px;
  font-weight: 700;
  color: var(--text);
}
.acc > summary::-webkit-details-marker { display: none; }
.acc > summary i {
  font-style: normal;
  color: var(--teal);
  font-family: var(--mono);
  font-size: 20px;
  line-height: 1;
  flex: none;
  transition: transform .35s var(--ease);
}
.acc[open] > summary i { transform: rotate(45deg); }
.acc-body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .4s var(--ease);
}
.acc[open] .acc-body { grid-template-rows: 1fr; }
.acc-body > div { overflow: hidden; }
.acc-body p {
  padding: 0 26px 24px;
  color: var(--body);
  font-size: 17px;
  line-height: 1.65;
  max-width: 840px;
}
.acc--sm > summary { padding: 20px 24px; font-size: 18px; }
.acc--sm .acc-body p { padding: 0 24px 22px; font-size: 16px; }

.stack { display: flex; flex-direction: column; gap: 10px; }
.cols-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; align-items: start; }

/* ---------- waitlist ---------- */

.waitlist { position: relative; overflow: hidden; }
.waitlist-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  border: 1px solid var(--teal);
  border-radius: 999px;
  color: var(--teal);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  margin-bottom: 24px;
}

.perks { display: flex; flex-direction: column; gap: 14px; margin-top: 34px; }
.perk {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  color: var(--body);
  font-size: 17px;
  line-height: 1.5;
}
.perk svg { width: 20px; height: 20px; color: var(--teal); flex: none; margin-top: 2px; }
.perk b { color: var(--text); font-weight: 700; }

.form-card {
  background: var(--card);
  border: 1px solid var(--teal);
  border-radius: 12px;
  padding: 34px 32px;
  position: relative;
  overflow: hidden;
}
.form-card::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: 12px;
  padding: 1px;
  background: linear-gradient(140deg, rgba(47,211,181,.9), rgba(47,211,181,0) 45%, rgba(111,168,245,.5));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  pointer-events: none;
  opacity: .8;
}

.field { margin-bottom: 18px; }
.field label {
  display: block;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--muted);
  margin-bottom: 9px;
  text-transform: uppercase;
}
.field label .opt { color: #4d545e; letter-spacing: 0.1em; }

.input, .select {
  width: 100%;
  background: var(--tile);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 14px 16px;
  color: var(--text);
  font-family: inherit;
  font-size: 16px;
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease), background-color .25s var(--ease);
  appearance: none;
  -webkit-appearance: none;
}
.input::placeholder { color: #4d545e; }
.input:focus, .select:focus {
  outline: none;
  border-color: var(--teal);
  background: #0E1215;
  box-shadow: 0 0 0 3px rgba(47, 211, 181, 0.14);
}
.input[aria-invalid="true"] { border-color: var(--red); }

.select {
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%),
                    linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 20px) 50%, calc(100% - 14px) 50%;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  cursor: pointer;
  padding-right: 42px;
}
.select option { background: var(--tile); color: var(--text); }

.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

.check {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  cursor: pointer;
  color: var(--body);
  font-size: 14px;
  line-height: 1.55;
  margin: 6px 0 22px;
}
.check input {
  appearance: none;
  -webkit-appearance: none;
  width: 18px; height: 18px;
  flex: none;
  margin: 1px 0 0;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--tile);
  cursor: pointer;
  position: relative;
  transition: background-color .2s var(--ease), border-color .2s var(--ease);
}
.check input:checked { background: var(--teal); border-color: var(--teal); }
.check input:checked::after {
  content: '';
  position: absolute;
  left: 5px; top: 1px;
  width: 5px; height: 10px;
  border: solid #07080A;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.err {
  display: block;
  margin-top: 8px;
  color: var(--red);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  min-height: 0;
}

.form-status {
  margin-top: 16px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  line-height: 1.7;
  color: var(--muted);
}
.form-status.is-error { color: var(--red); }
.form-status.is-warn  { color: var(--amber); }

.form-foot {
  margin-top: 18px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

/* success state */
.form-done {
  display: none;
  text-align: center;
  padding: 26px 8px 14px;
}
.form-card.is-done .form-inner { display: none; }
.form-card.is-done .form-done { display: block; animation: rise .5s var(--ease) both; }
@keyframes rise {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: none; }
}
.form-done .mark {
  width: 62px; height: 62px;
  margin: 0 auto 22px;
  border-radius: 50%;
  border: 1px solid var(--teal);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--teal);
}
.form-done .mark svg { width: 26px; height: 26px; }
.form-done h3 { font-size: 26px; margin-bottom: 12px; }
.form-done p { color: var(--body); font-size: 16px; line-height: 1.6; }

.btn[aria-busy="true"] { pointer-events: none; opacity: .75; }
.spinner {
  width: 15px; height: 15px;
  border: 2px solid rgba(7,8,10,.3);
  border-top-color: #07080A;
  border-radius: 50%;
  animation: rot .7s linear infinite;
  display: none;
}
.btn[aria-busy="true"] .spinner { display: block; }
@keyframes rot { to { transform: rotate(360deg); } }

/* ---------- pricing ---------- */

.price-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 16px;
  margin-top: 44px;
  align-items: start;
}
.price-card {
  background: var(--card);
  border: 1px solid var(--teal);
  border-radius: 12px;
  padding: 38px 36px;
}
.price-head { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; }
.price-head b { font-size: 28px; }
.price-head i {
  font-style: normal;
  color: var(--teal);
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.18em;
}
.price-amount { margin-top: 22px; display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.price-amount b { font-size: clamp(40px, 5vw, 56px); letter-spacing: -0.03em; }
.price-amount span { color: var(--muted); font-size: 18px; }
.price-includes {
  margin-top: 30px;
  padding-top: 26px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 13px;
}
.inc { display: flex; gap: 14px; align-items: flex-start; color: var(--body); font-size: 17px; }
.inc span:first-child { color: var(--teal); font-size: 16px; padding-top: 2px; flex: none; }

/* ---------- three-tier pricing ---------- */

.tiers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; align-items: stretch; }

.tier {
  position: relative;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 34px 32px;
  display: flex;
  flex-direction: column;
  transition: transform .45s var(--ease), border-color .35s var(--ease),
              box-shadow .45s var(--ease);
}
.tier:hover {
  transform: translateY(-6px);
  border-color: var(--teal);
  box-shadow: 0 30px 60px -34px #000;
}
.tier--featured {
  border-color: var(--teal);
  background:
    radial-gradient(120% 80% at 50% 0%, rgba(47, 211, 181, 0.09), transparent 62%),
    var(--card);
}

.tier-flag {
  position: absolute;
  top: -1px; right: 24px;
  background: var(--teal);
  color: #07080A;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  padding: 6px 12px;
  border-radius: 0 0 6px 6px;
}

.tier-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 22px;
}
.tier-head b { font-size: 22px; font-weight: 700; }
.tier-head i {
  font-style: normal;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--muted);
  white-space: nowrap;
}
.tier-head i.c-teal { color: var(--teal); }

.tier-price {
  font-size: clamp(42px, 4.4vw, 54px);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  display: flex;
  align-items: flex-start;
}
.tier-price .cur {
  font-size: 0.5em;
  font-weight: 700;
  margin-right: 4px;
  padding-top: 0.16em;
  color: var(--body);
}
.tier-price .dec { font-size: 0.5em; padding-top: 0.16em; letter-spacing: -0.02em; }

.tier-period {
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--muted);
  text-transform: uppercase;
}
.tier-note {
  margin-top: 20px;
  color: var(--body);
  font-size: 16px;
  line-height: 1.6;
  flex: 1;
}
.tier-note b { color: var(--text); font-weight: 700; }
.tier .btn { margin-top: 28px; font-size: 16px; padding: 15px 24px; }

.price-foot {
  margin-top: 22px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
  max-width: 780px;
}

.includes-strip {
  margin-top: 44px;
  background: var(--tile);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 26px 30px;
}
.includes-k {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--muted);
  margin-bottom: 18px;
}
.includes-list {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}
.includes-list .inc { font-size: 16px; }

.specs { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.specs--wide { grid-template-columns: repeat(3, 1fr); }
.spec {
  background: var(--tile);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 22px;
  transition: border-color .35s var(--ease);
}
.spec:hover { border-color: var(--teal); }
.spec-k {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  margin-bottom: 12px;
}
.spec-v { color: var(--body); font-size: 17px; line-height: 1.5; white-space: pre-line; }

/* ---------- closing ---------- */

.closing { position: relative; overflow: hidden; border-bottom: 1px solid var(--line); }
.closing .wrap { position: relative; padding: 110px var(--pad); text-align: center; }
.closing h2 {
  font-size: clamp(36px, 5.4vw, 60px);
  line-height: 1.05;
  letter-spacing: -0.035em;
}
.closing p {
  margin: 24px auto 0;
  max-width: 620px;
  color: var(--body);
  font-size: clamp(17px, 1.7vw, 21px);
  line-height: 1.55;
}
.closing .hero-cta { justify-content: center; }
/* beats the `.closing p` size rule above */
.closing .hero-note {
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--muted);
  max-width: none;
}

.install-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 56px;
  text-align: left;
}
.install-step {
  background: var(--tile);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
}
.install-step i {
  font-style: normal;
  color: var(--teal);
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.16em;
  display: block;
  margin-bottom: 12px;
}
.install-step p { color: var(--body); font-size: 16px; line-height: 1.5; }

/* ---------- footer ---------- */

.footer .wrap {
  padding-top: 48px;
  padding-bottom: 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 26px;
  flex-wrap: wrap;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.3em;
}
.footer-brand svg { width: 20px; height: 20px; color: var(--teal); }
.footer-links { display: flex; gap: 26px; flex-wrap: wrap; }
.footer-links a { color: var(--muted); font-size: 15px; }
.footer-right { display: flex; align-items: center; gap: 26px; flex-wrap: wrap; }
.footer-tag { color: var(--muted); font-family: var(--mono); font-size: 13px; letter-spacing: 0.16em; }

/* ---------- social ---------- */

.social {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--body);
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  padding: 9px 16px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--tile);
  transition: border-color .3s var(--ease), color .3s var(--ease),
              transform .35s var(--ease), box-shadow .35s var(--ease);
}
.social .icon { width: 17px; height: 17px; flex: none; transition: transform .4s var(--ease); }
.social:hover {
  color: var(--teal);
  border-color: var(--teal);
  transform: translateY(-2px);
  box-shadow: 0 12px 26px -14px rgba(47, 211, 181, 0.6);
}
.social:hover .icon { transform: rotate(-8deg) scale(1.1); }

.social--lg {
  margin-top: 34px;
  font-family: var(--sans);
  font-size: 15px;
  letter-spacing: 0;
  padding: 13px 22px;
  gap: 12px;
}
.social--lg .icon { width: 20px; height: 20px; }
.social--lg b { color: var(--text); font-weight: 700; }
.social--lg:hover b { color: var(--teal); }

/* ---------- scroll reveal ---------- */

[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .8s var(--ease-out), transform .8s var(--ease-out);
  transition-delay: var(--d, 0ms);
  will-change: opacity, transform;
}
[data-reveal].is-in { opacity: 1; transform: none; }

/* ---------- responsive ---------- */

@media (max-width: 1080px) {
  .grid-chips { grid-template-columns: repeat(3, 1fr); }
  .grid-chips--lg { grid-template-columns: repeat(3, 1fr); }
  .who { grid-template-columns: repeat(3, 1fr); }
  .split { gap: 44px; }
}

@media (max-width: 900px) {
  :root { --pad: 24px; }
  .nav-toggle { display: block; }
  /* anchored to the bar itself, so it follows the nav's shrink on scroll */
  .nav { position: sticky; }
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 20px 24px 28px;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 24px 40px -20px #000;
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity .3s var(--ease), transform .3s var(--ease);
    max-height: calc(100dvh - var(--nav-h));
    overflow-y: auto;
  }
  .nav-links.is-open { opacity: 1; transform: none; pointer-events: auto; }
  .nav-links a:not(.btn) { padding: 13px 0; font-size: 17px; border-bottom: 1px solid var(--line); }
  .nav-links a:not(.btn)::after { display: none; }
  .nav-links .btn { margin-top: 16px; }

  .section > .wrap,
  .section--tight > .wrap { padding-top: 64px; padding-bottom: 64px; }
  .hero .wrap { padding-top: 64px; padding-bottom: 64px; }
  .closing .wrap { padding: 76px var(--pad); }

  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .tool-list { grid-template-columns: repeat(3, 1fr); }
  .split, .split--center { flex-direction: column; gap: 40px; }
  .split--reverse { flex-direction: column-reverse; }
  .waitlist-grid { grid-template-columns: 1fr; gap: 40px; }
  .price-grid { grid-template-columns: 1fr; }
  .tiers { grid-template-columns: 1fr; }
  .specs--wide { grid-template-columns: 1fr 1fr; }
  .includes-list { grid-template-columns: 1fr 1fr; }
  .cols-2 { grid-template-columns: 1fr; }
  .install-steps { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .footer .wrap { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 640px) {
  /* ---- layout ---- */
  :root { --pad: 20px; --nav-h: 60px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .grid-chips, .grid-chips--lg { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .chip { padding: 14px 15px; gap: 9px; }
  .chip--lg { padding: 16px 16px; }
  .chip-name { font-size: 14px; }
  .chip--lg .chip-name { font-size: 16px; }
  .pipe-steps { gap: 7px 8px; margin-top: 20px; }
  .pipe-step { font-size: 11px; letter-spacing: 0.12em; padding: 10px 13px; }
  .pipe-arrow { font-size: 12px; }
  .pipe-cue { font-size: 11px; letter-spacing: 0.16em; margin-top: 16px; }
  .pipe-tag { font-size: 10px; padding: 5px 9px; left: 12px; top: 12px; }
  .pull { padding-left: 20px; }
  .who { grid-template-columns: 1fr 1fr; }
  .specs, .specs--wide { grid-template-columns: 1fr; }
  .includes-list { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .section > .wrap,
  .section--tight > .wrap { padding-top: 48px; padding-bottom: 48px; }
  .hero .wrap { padding-top: 44px; padding-bottom: 48px; }
  .closing .wrap { padding: 56px var(--pad); }
  .tool-groups { margin-top: 36px; gap: 36px; }
  .section-head { gap: 18px; }
  .mt-52 { margin-top: 32px; } .mt-44 { margin-top: 30px; }
  .mt-40 { margin-top: 28px; } .mt-34 { margin-top: 24px; }

  /* ---- type: the whole page steps down a size on a phone ---- */
  body { font-size: 15px; }
  .hero h1 { font-size: 31px; letter-spacing: -0.028em; }
  .h2 { font-size: 25px; }
  .h2--sm { font-size: 24px; }
  .h2--xs { font-size: 23px; }
  .hero-sub, .lede { font-size: 16px; line-height: 1.55; margin-top: 16px; }
  .eyebrow { font-size: 11px; letter-spacing: 0.2em; margin-bottom: 14px; }
  .badge { font-size: 11px; letter-spacing: 0.2em; margin-bottom: 18px; }
  .hero-note, .closing .hero-note { font-size: 11px; letter-spacing: 0.12em; }
  .mono { font-size: 11px; }

  .btn { font-size: 15px; padding: 14px 24px; }
  .btn--sm { font-size: 14px; padding: 10px 18px; }
  .hero-cta { gap: 10px; margin-top: 26px; }
  .nav-links a:not(.btn) { font-size: 16px; padding: 12px 0; }

  .stat { padding: 20px 18px; }
  .stat-k { font-size: 11px; margin-bottom: 8px; }
  .stat-v { font-size: 30px; }
  .stat-d { font-size: 14px; }

  .stage { padding: 22px 20px; }
  .stage-head { margin-bottom: 14px; }
  .stage-head b { font-size: 19px; }
  .stage-list { font-size: 15px; line-height: 1.85; }

  .group-head b { font-size: 19px; }
  .tool-list { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .tool-item { padding: 11px 12px; gap: 10px; }
  .tool-item .icon { width: 17px; height: 17px; }
  .tool-item span { font-size: 14px; }

  .tick { font-size: 16px; }
  .step { padding: 16px; }
  .step p { font-size: 15px; }
  .caption { font-size: 14px; }
  .caption--mono { font-size: 11px; }

  .card-t { font-size: 20px; }
  .card p, .vs-list div { font-size: 16px; }
  .vs-foot { font-size: 16px; }
  .pass { padding: 22px 20px; }
  .pass-head b { font-size: 19px; }
  .pass p { font-size: 15px; }
  .who div { padding: 20px 18px; font-size: 16px; }

  .acc > summary, .acc--sm > summary { font-size: 16px; padding: 17px 18px; }
  .acc-body p, .acc--sm .acc-body p { font-size: 15px; padding: 0 18px 18px; }

  .tier { padding: 26px 22px; }
  .tier-head b { font-size: 19px; }
  .tier-price { font-size: 38px; }
  .tier-note { font-size: 15px; margin-top: 16px; }
  .tier .btn { margin-top: 22px; }
  .price-foot { font-size: 13px; }
  .includes-strip { padding: 20px 22px; margin-top: 32px; }
  .includes-list .inc, .inc { font-size: 15px; }
  .spec { padding: 18px; }
  .spec-v { font-size: 15px; }

  .perk { font-size: 15px; }
  .pill { font-size: 11px; letter-spacing: 0.18em; padding: 7px 13px; }
  .form-card { padding: 24px 20px; }
  .input, .select { font-size: 16px; padding: 12px 14px; }  /* 16px stops iOS zooming on focus */
  .field { margin-bottom: 14px; }
  .form-foot { font-size: 12px; }
  .social--lg { font-size: 14px; padding: 11px 18px; margin-top: 26px; }
  .install-step { padding: 20px 18px; }
  .install-step p { font-size: 15px; }
  .marquee-track { gap: 28px; }
  .marquee-track span { font-size: 11px; letter-spacing: 0.18em; gap: 28px; }
  .frames-note { font-size: 11px; padding: 10px 14px; }
  .footer-links a { font-size: 14px; }
  .footer-tag, .footer-brand { font-size: 11px; }

  /* ---- compare sliders ---- */
  .compare-meta { flex-direction: column; align-items: flex-start; gap: 8px; font-size: 11px; }
  .compare-tag { font-size: 10px; letter-spacing: 0.14em; padding: 5px 9px; top: 12px; }
  .compare-tag--l { left: 12px; }
  .compare-tag--r { right: 12px; }
  .compare-grip { width: 38px; height: 38px; font-size: 13px; }
  .slot-label { font-size: 10px; letter-spacing: 0.14em; }
  .ar-hero { aspect-ratio: 4/3; }

  .price-card, .form-card, .card { padding: 24px 20px; }
}

/* ---------- motion preferences ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  [data-reveal] { opacity: 1 !important; transform: none !important; }
  .marquee-track { animation: none; }
}

@media print {
  .nav, .progress, .marquee { display: none; }
  body { background: #fff; color: #000; }
}