:root {
  --bg: #050505;
  --bg-raise: #0b0b0c;
  --line: rgba(255,255,255,0.07);
  --line-strong: rgba(255,255,255,0.14);
  --text: #f4f1ea;
  --muted: rgba(244,241,234,0.64);   /* Classic: was 0.56; raised with --faint to keep the hierarchy (7.4:1 on #050505) */
  --faint: rgba(244,241,234,0.52);   /* Classic: was 0.30 (2.4:1); now 5.2:1 on #050505 and #0b0b0c (WCAG AA) */
  --cyan: #00f5d4;
  --serif: "Instrument Serif", "Times New Roman", serif;
  --sans: "Geist", "Helvetica Neue", Arial, sans-serif;
  --pad: clamp(1.25rem, 4vw, 3.5rem);
  --max: 1180px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  /* Theme tokens. Classic values below are the site's original hard-coded colours, unchanged. */
  --accent-rgb: 0,245,212;
  --vignette: rgba(0,0,0,0.6);
  --scroll-thumb: #232323;
  --scroll-track: #080808;
  --scroll-hover: #333;
  --nav-bg: rgba(5,5,5,0.72);
  --on-text: #0b0b0b;
  --aurora-a1: 0.13;
  --aurora-2: rgba(90,120,255,0.09);
  --aurora-a3: 0.06;
  --em: #efe9dc;
  --glow-a: 0.16;
  --screen-bg: linear-gradient(180deg, #0e0f10, #070707 60%);
  --island: #000;
  --track: #1a1c1c;
  --arc-glow-a: 0.4;
  --num-font: var(--serif);
  --bar-track: #191919;
  --bubble-you: rgba(244,241,234,0.06);
  --shadow: rgba(0,0,0,0.45);
  --phone-shadow: rgba(0,0,0,0.6);
  --cta-bg: var(--cyan);
  --cta-ink: #06110e;
  --radius-card: 0px;
  --radius-control: 0px;
  --mark-ring: #00F5D4;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 6rem; }

body {
  min-height: 100dvh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  counter-reset: head;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 90;
  pointer-events: none;
  opacity: 0.028;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 220 220' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 89;
  pointer-events: none;
  box-shadow: inset 0 0 220px var(--vignette);
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; color: inherit; }
button { background: none; border: none; cursor: pointer; }
ul { list-style: none; }
h1, h2, h3 { text-wrap: balance; }
p { text-wrap: pretty; }
::selection { background: rgba(var(--accent-rgb),0.22); color: #fff; }
:focus-visible { outline: 1px solid var(--cyan); outline-offset: 4px; }
/* skip link: hidden until focused */
.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 120;
  padding: 0.7rem 1rem;
  background: var(--cta-bg);
  color: var(--cta-ink);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  border-radius: var(--radius-control);
  transform: translateY(-160%);
  transition: transform 0.2s var(--ease);
}
.skip-link:focus, .skip-link:focus-visible { transform: none; outline-offset: 2px; }
main:focus { outline: none; }

html { color-scheme: dark; scrollbar-color: var(--scroll-thumb) var(--scroll-track); }
::-webkit-scrollbar { width: 11px; }
::-webkit-scrollbar-track { background: var(--scroll-track); }
::-webkit-scrollbar-thumb {
  background: var(--scroll-thumb);
  border: 3px solid var(--scroll-track);
  border-radius: 999px;
}
::-webkit-scrollbar-thumb:hover { background: var(--scroll-hover); }

/* ---------- opening curtain ---------- */
/* Without JavaScript there is no curtain and nothing waits to be revealed (noscript fallback). */
html:not(.js) .curtain { display: none; }
.curtain {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: var(--bg);
  display: grid;
  place-items: center;
  transition: opacity 1s var(--ease), visibility 1s var(--ease);
}
.curtain svg {
  width: 38px;
  height: 38px;
  animation: breathe 2.2s ease-in-out infinite;
}
.curtain.done { opacity: 0; visibility: hidden; }
@keyframes breathe {
  0%, 100% { opacity: 0.35; transform: scale(0.97); }
  50% { opacity: 1; transform: scale(1); }
}

/* ---------- masked line reveal ---------- */
.mask .line {
  display: block;
  overflow: hidden;
  padding-bottom: 0.09em;
  margin-bottom: -0.09em;
}
.mask .line > span { display: block; }
.js .mask .line > span {
  transform: translateY(108%);
  transition: transform 1.15s var(--ease);
}
.js .mask .line.in > span { transform: none; }

.wrap { width: min(var(--max), calc(100% - var(--pad) * 2)); margin-inline: auto; }

.eyebrow {
  font-size: 0.6875rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--faint);
  font-weight: 500;
}
.eyebrow.accent { color: var(--cyan); }

.rule { height: 1px; background: var(--line); border: 0; }

/* ---------- nav ---------- */
.progress {
  position: fixed;
  top: 0; left: 0;
  height: 1px;
  width: 0;
  background: var(--cyan);
  z-index: 60;
  opacity: 0.7;
}

.nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.15rem var(--pad);
  border-bottom: 1px solid transparent;
  transition: background 0.4s var(--ease), border-color 0.4s var(--ease), padding 0.4s var(--ease);
}
.nav.on {
  background: var(--nav-bg);
  backdrop-filter: blur(22px) saturate(140%);
  -webkit-backdrop-filter: blur(22px) saturate(140%);
  border-color: var(--line);
  padding-block: 0.85rem;
}

.brand { display: flex; align-items: center; gap: 0.85rem; }
.brand-mark {
  position: relative;
  width: 30px;
  height: 30px;
  flex: 0 0 30px;
  perspective: 48px;
}
.brand-mark svg {
  position: absolute;
  inset: 0;
  width: 30px;
  height: 30px;
  overflow: visible;
}
.brand-a {
  transform-origin: 50% 50%;
  transform-style: preserve-3d;
  animation: brand-spin 4.5s linear infinite;
}
@keyframes brand-spin {
  to { transform: rotateY(360deg); }
}
@media (prefers-reduced-motion: reduce) {
  .brand-a { animation: none; }
}
.brand span {
  font-family: var(--serif);
  font-size: 1.5rem;
  letter-spacing: 0.05em;
}

.nav-links { display: none; gap: 2.1rem; }
.nav-links a {
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--muted);
  position: relative;
  padding-bottom: 2px;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  height: 1px; width: 0;
  background: var(--cyan);
  transition: width 0.4s var(--ease);
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }

.nav-cta {
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 500;
  padding: 0.6rem 1.05rem;
  border: 1px solid var(--line-strong);
  transition: border-color 0.3s var(--ease), color 0.3s var(--ease), background 0.3s var(--ease);
}
.nav-cta:hover { background: var(--text); color: var(--on-text); border-color: var(--text); }

@media (min-width: 860px) { .nav-links { display: flex; } }

/* ---------- hero ---------- */
.hero {
  position: relative;
  min-height: 100dvh;
  display: grid;
  align-items: center;
  padding: 8.5rem var(--pad) 3.5rem;
  isolation: isolate;
}

.aurora {
  position: absolute;
  inset: -20% -10% auto;
  height: 120vh;
  z-index: -2;
  pointer-events: none;
  background:
    radial-gradient(46% 38% at 22% 26%, rgba(var(--accent-rgb),var(--aurora-a1)), transparent 68%),
    radial-gradient(40% 34% at 78% 18%, var(--aurora-2), transparent 70%),
    radial-gradient(52% 44% at 58% 62%, rgba(var(--accent-rgb),var(--aurora-a3)), transparent 72%);
  filter: blur(30px);
  animation: drift 26s ease-in-out infinite alternate;
}
@keyframes drift {
  from { transform: translate3d(-2%, -1%, 0) scale(1); }
  to   { transform: translate3d(3%, 2%, 0) scale(1.08); }
}

.spot {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.6s var(--ease);
  background: radial-gradient(320px circle at var(--mx, 50%) var(--my, 40%), rgba(var(--accent-rgb),0.07), transparent 70%);
}
.hero:hover .spot { opacity: 1; }

.hero-grid {
  width: min(var(--max), 100%);
  margin-inline: auto;
  display: grid;
  gap: 3.5rem;
  align-items: center;
}
@media (min-width: 940px) {
  .hero-grid { grid-template-columns: 1.08fr 0.92fr; gap: 4.5rem; }
}

.hero h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(3.2rem, 7.4vw, 6.6rem);
  line-height: 0.92;
  letter-spacing: -0.035em;
  margin: 1.1rem 0 1.4rem;
}
.hero h1 em { font-style: italic; color: var(--em); }
.hero-sub em { font-style: italic; color: var(--em); }

.hero-sub {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.45rem, 2.5vw, 2.05rem);
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--text);
  margin: 0 0 1.15rem;
}
.hero-lead {
  color: var(--muted);
  font-weight: 300;
  font-size: 1.05rem;
  max-width: 33rem;
  margin-bottom: 2rem;
}

.devices {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem 1.1rem;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 2.2rem;
}
.devices b { color: var(--muted); font-weight: 500; }
.devices i { display: block; width: 3px; height: 3px; border-radius: 50%; background: var(--line-strong); }
/* small laptops (13" at 1024-1180px): keep the five device names on one line */
@media (min-width: 940px) and (max-width: 1180px) { .devices { gap: 0.55rem 0.75rem; letter-spacing: 0.14em; font-size: 0.68rem; } }

/* underline form */
.field {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  max-width: 27rem;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 0.65rem;
  transition: border-color 0.35s var(--ease);
}
.field:focus-within { border-color: var(--cyan); }
.field input {
  flex: 1;
  min-width: 0;
  background: none;
  border: 0;
  outline: none;
  font-size: 0.98rem;
  padding: 0.15rem 0;
}
.field input::placeholder { color: var(--faint); }
.field button {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--text);
  white-space: nowrap;
}
.field button svg { width: 16px; height: 16px; transition: transform 0.35s var(--ease); }
.field button:hover { color: var(--cyan); }
.field button:hover svg { transform: translateX(4px); }

.ok { display: none; color: var(--cyan); font-size: 0.92rem; margin-top: 0.9rem; }
.form-error { display: none; color: var(--text); font-size: 0.9rem; line-height: 1.55; margin-top: 0.9rem; max-width: 27rem; padding-left: 0.85rem; border-left: 2px solid var(--error); }
.form-error.show { display: block; }
.form-error a { color: var(--cyan); text-decoration: underline; text-underline-offset: 3px; word-break: break-word; }
.invite .form-error { margin-inline: auto; text-align: left; }
.field.invalid { border-color: var(--error); }
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.ok.show { display: block; }
.micro { margin-top: 1rem; font-size: 0.78rem; color: var(--faint); }

/* ---------- phone ---------- */
.phone-stage {
  justify-self: center;
  position: relative;
  width: min(100%, 336px);
  transform: translate3d(0, var(--py, 0px), 0);
}
.phone-stage::before {
  content: "";
  position: absolute;
  inset: 12% -18% -12%;
  background: radial-gradient(closest-side, rgba(var(--accent-rgb),var(--glow-a)), transparent 72%);
  filter: blur(36px);
  z-index: -1;
}

.phone {
  border-radius: 46px;
  padding: 9px;
  background: linear-gradient(150deg, rgba(255,255,255,0.16), rgba(255,255,255,0.02) 38%, rgba(255,255,255,0.09));
  box-shadow: 0 44px 90px var(--phone-shadow), 0 2px 0 rgba(255,255,255,0.05) inset;
}
.screen {
  position: relative;
  border-radius: 38px;
  background: var(--screen-bg);
  padding: 1.5rem 1.25rem 1.4rem;
  overflow: hidden;
}

/* glass: fixed specular corner + a sheen that passes every few seconds */
.screen::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  background: linear-gradient(128deg, rgba(255,255,255,0.09), rgba(255,255,255,0) 34%);
}
.screen::before {
  content: "";
  position: absolute;
  top: -60%;
  left: -45%;
  width: 55%;
  height: 220%;
  z-index: 4;
  pointer-events: none;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.05), transparent);
  transform: translateX(-40%) rotate(18deg);
  animation: sheen 11s ease-in-out infinite;
}
@keyframes sheen {
  0%, 64% { transform: translateX(-40%) rotate(18deg); opacity: 0; }
  70% { opacity: 1; }
  100% { transform: translateX(340%) rotate(18deg); opacity: 0; }
}
.island {
  width: 74px; height: 20px;
  border-radius: 999px;
  background: var(--island);
  margin: -0.35rem auto 1.1rem;
}
.screen-top {
  display: flex;
  justify-content: space-between;
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 1rem;
}

.dial { position: relative; display: grid; place-items: center; margin-bottom: 1.2rem; }
.dial svg { width: 190px; height: 190px; transform: rotate(-90deg); }
.dial .track { fill: none; stroke: var(--track); stroke-width: 5; }
.dial .arc {
  fill: none;
  stroke: var(--cyan);
  stroke-width: 5;
  stroke-linecap: round;
  stroke-dasharray: 314.16;
  stroke-dashoffset: 314.16;
  transition: stroke-dashoffset 1.6s var(--ease);
  filter: drop-shadow(0 0 8px rgba(var(--accent-rgb),var(--arc-glow-a)));
}
.dial-mid {
  position: absolute;
  display: grid;
  justify-items: center;
  gap: 0.1rem;
}
.dial-num {
  font-family: var(--num-font);
  font-size: 3.6rem;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.dial-label {
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--faint);
}

.metrics { display: grid; gap: 0.9rem; }
.metric { display: grid; grid-template-columns: 1fr auto; gap: 0.4rem 1rem; align-items: baseline; }
.metric span { font-size: 0.78rem; color: var(--muted); }
.metric b { font-size: 0.82rem; font-weight: 500; font-variant-numeric: tabular-nums; }
.metric .bar { grid-column: 1 / -1; height: 2px; background: var(--bar-track); border-radius: 2px; overflow: hidden; }
.metric .bar i {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, rgba(var(--pillar-rgb, var(--accent-rgb)),0.45), rgb(var(--pillar-rgb, var(--accent-rgb))));
  transition: width 1.4s var(--ease);
}
.screen-note {
  margin-top: 1.2rem;
  padding-top: 0.95rem;
  border-top: 1px solid var(--line);
  font-size: 0.78rem;
  color: var(--muted);
  font-weight: 300;
}

/* ---------- stat band ---------- */
.band {
  border-block: 1px solid var(--line);
}
.band .wrap {
  display: grid;
  gap: 0;
}
@media (min-width: 760px) {
  .band .wrap { grid-template-columns: repeat(3, 1fr); }
  /* titles that wrap on tablets/small laptops keep the three descriptions on one baseline */
  @supports (grid-template-rows: subgrid) { .band-cell { display: grid; grid-row: span 2; grid-template-rows: subgrid; align-content: start; } .band-cell b { align-self: end; } }
}
.band-cell { padding: 2rem 0; }
@media (min-width: 760px) {
  .band-cell + .band-cell { border-left: 1px solid var(--line); padding-left: 2.25rem; }
  .band-cell:not(:last-child) { padding-right: 2.25rem; }
}
@media (max-width: 759px) {
  .band-cell + .band-cell { border-top: 1px solid var(--line); }
}
.band-cell b {
  display: block;
  font-family: var(--serif);
  font-size: clamp(1.75rem, 2.75vw, 2.3rem);
  font-weight: 400;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin-bottom: 0.55rem;
  text-wrap: balance;
}
.band-cell span { color: var(--muted); font-weight: 300; font-size: 0.92rem; }

/* ---------- sections ---------- */
.section { padding: clamp(5rem, 10vw, 8rem) 0; }
.section + .section { border-top: 1px solid var(--line); }

.head { max-width: 40rem; margin-bottom: clamp(2.5rem, 5vw, 3.75rem); }
/* section numeral sits inline with the eyebrow: "I · THE APP", "II · THE SCORE", ... (same style in every section) */
.eyebrow.sec { counter-increment: head; }
.eyebrow.sec::before {
  content: counter(head, upper-roman) "\2009\00B7\2009";
  content: counter(head, upper-roman) "\2009\00B7\2009" / "";
  color: var(--faint);
  letter-spacing: 0.24em;
}
.head.center { margin-inline: auto; text-align: center; }
.head h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.1rem, 4.4vw, 3.5rem);
  line-height: 1.06;
  letter-spacing: -0.028em;
  margin: 0.7rem 0 0.8rem;
}
.head p { color: var(--muted); font-weight: 300; }
.head.center p { margin-inline: auto; }

/* manifesto */
.manifesto { display: grid; gap: 2.25rem; }
@media (min-width: 900px) { .manifesto { grid-template-columns: 1.1fr 0.9fr; gap: 4.5rem; align-items: end; } }
.manifesto blockquote {
  font-family: var(--serif);
  font-size: clamp(1.9rem, 3.6vw, 3.1rem);
  line-height: 1.14;
  letter-spacing: -0.025em;
}
.manifesto blockquote em { font-style: italic; }
/* score section opener: second line italic, like the hero */
.head h2 em { font-style: italic; color: var(--em); }
.manifesto p { color: var(--muted); font-weight: 300; }

/* instrument split */
.split { display: grid; gap: 3rem; align-items: center; }
@media (min-width: 980px) { .split { grid-template-columns: 0.9fr 1.1fr; gap: 5rem; } }

.facts { display: grid; }
.facts li { padding: 1.15rem 0; border-top: 1px solid var(--line); }
.facts li:last-child { border-bottom: 1px solid var(--line); }
.facts strong { display: block; font-weight: 500; margin-bottom: 0.2rem; }
.facts span { color: var(--muted); font-weight: 300; font-size: 0.95rem; }

/* ---------- coach exchange ---------- */
.coach-grid {
  display: grid;
  gap: 3.25rem;
  align-items: center;
}
@media (min-width: 960px) {
  .coach-grid { grid-template-columns: 0.92fr 1.08fr; gap: 5rem; }
}
.chat {
  background: var(--bg-raise);
  border: 1px solid var(--line);
  padding: 1.35rem 1.25rem 1.2rem;
  display: grid;
  gap: 0.95rem;
}
.chat-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--faint);
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--line);
}
.chat-top b { color: var(--muted); font-weight: 500; }
.bubble {
  max-width: 92%;
  padding: 0.85rem 1rem;
  font-size: 0.92rem;
  font-weight: 300;
  line-height: 1.55;
  color: var(--muted);
}
.bubble.you {
  justify-self: end;
  background: var(--bubble-you);
  color: var(--text);
  font-weight: 400;
}
.bubble.aether {
  justify-self: start;
  border: 1px solid var(--line);
}
.bubble .who {
  display: block;
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 0.4rem;
}
.bubble.aether .who { color: var(--cyan); }
.bubble em { font-style: italic; color: var(--text); }
.chat-foot {
  font-size: 0.72rem;
  color: var(--faint);
  letter-spacing: 0.04em;
  padding-top: 0.2rem;
}

.legal-note {
  max-width: 46rem;
  margin: 0 auto;
  padding: 1.4rem 0 0;
  color: var(--faint);
  font-size: 0.82rem;
  font-weight: 300;
  line-height: 1.65;
}
.legal-note a { color: var(--muted); border-bottom: 1px solid var(--line); }
.legal-note a:hover { color: var(--text); }

/* features */
.features { border-top: 1px solid var(--line); }
.feature {
  display: grid;
  gap: 0.35rem 2.5rem;
  padding: 1.9rem 0;
  border-bottom: 1px solid var(--line);
  transition: background 0.45s var(--ease), padding-left 0.45s var(--ease);
}
@media (min-width: 820px) {
  .feature { grid-template-columns: 5rem 16rem 1fr; align-items: baseline; }
  .feature:hover { padding-left: 1rem; background: linear-gradient(90deg, rgba(var(--accent-rgb),0.045), transparent 55%); }
}
.feature h3 { font-family: var(--serif); font-size: 1.6rem; font-weight: 400; letter-spacing: -0.01em; }
.feature p { color: var(--muted); font-weight: 300; max-width: 46ch; }

/* steps */
.steps { display: grid; gap: 2.25rem; }
@media (min-width: 820px) { .steps { grid-template-columns: repeat(3, 1fr); gap: 2.75rem; } }
.step { position: relative; padding-top: 1.5rem; border-top: 1px solid var(--line-strong); }
.step .n { font-family: var(--serif); font-size: 1.5rem; color: var(--cyan); margin-bottom: 0.5rem; }
.step h3 { font-size: 1.08rem; font-weight: 500; margin-bottom: 0.35rem; }
.step p { color: var(--muted); font-weight: 300; font-size: 0.95rem; }

/* privacy band */
.privacy {
  text-align: center;
  padding: clamp(5.5rem, 12vw, 9rem) var(--pad);
  border-top: 1px solid var(--line);
  background:
    radial-gradient(60% 100% at 50% 0%, rgba(var(--accent-rgb),0.07), transparent 62%),
    var(--bg-raise);
}
.privacy h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.3rem, 5.6vw, 4.3rem);
  line-height: 1.04;
  letter-spacing: -0.03em;
  max-width: 17ch;
  margin: 0.9rem auto 1.1rem;
}
.privacy p { color: var(--muted); font-weight: 300; max-width: 37rem; margin-inline: auto; }
.privacy .keys {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem 1.6rem;
  margin-top: 2rem;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--faint);
}

/* membership */
.plans { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
@media (min-width: 800px) { .plans { grid-template-columns: 1fr 1.1fr; } }
.plan {
  background: var(--bg);
  padding: clamp(1.6rem, 3vw, 2.4rem);
  transition: transform 0.6s var(--ease), box-shadow 0.6s var(--ease);
}
.plan:hover { transform: translateY(-3px); box-shadow: 0 24px 60px var(--shadow); }
.plan.featured {
  background:
    radial-gradient(90% 60% at 50% 0%, rgba(var(--accent-rgb),0.07), transparent 70%),
    var(--bg-raise);
}
.plan .tier { font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--faint); }
.plan .price {
  font-family: var(--serif);
  font-size: clamp(2.6rem, 5vw, 3.6rem);
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin: 0.6rem 0 0.15rem;
}
.plan .price small { font-family: var(--sans); font-size: 0.95rem; color: var(--muted); letter-spacing: 0; }
.plan .alt { color: var(--faint); font-size: 0.88rem; margin-bottom: 1.4rem; }
.plan .offer { color: var(--muted); font-size: 0.88rem; line-height: 1.5; margin: -0.6rem 0 1.4rem; padding-top: 0.9rem; border-top: 1px solid var(--line); }
.plan .offer b { color: var(--text); font-weight: 500; }
.plan ul { margin-top: 0.4rem; }
.plan li {
  display: flex;
  gap: 0.7rem;
  padding: 0.62rem 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-weight: 300;
  font-size: 0.94rem;
}
.plan li::before { content: "—"; color: var(--faint); }
.plan .cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.9rem;
  padding: 0 1.35rem;
  margin-top: 1.5rem;
  background: var(--cta-bg);
  color: var(--cta-ink);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 600;
}
.plan .cta:hover { filter: brightness(1.07); }
.plans-note { margin-top: 1.4rem; color: var(--faint); font-size: 0.88rem; text-align: center; }

/* faq */
.faq-list { max-width: 780px; border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  text-align: left;
  padding: 1.35rem 0;
  font-size: 1.02rem;
  transition: color 0.3s var(--ease);
}
.faq-q:hover { color: var(--cyan); }
.faq-q i {
  font-style: normal;
  font-family: var(--serif);
  font-size: 1.45rem;
  line-height: 1;
  color: var(--faint);
  transition: transform 0.4s var(--ease), color 0.3s var(--ease);
}
.faq-a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.45s var(--ease);
}
.faq-a > div { overflow: hidden; }
.faq-a p {
  color: var(--muted);
  font-weight: 300;
  max-width: 64ch;
  padding-bottom: 1.35rem;
}
.faq-item.open .faq-a { grid-template-rows: 1fr; }
.faq-item.open .faq-q i { transform: rotate(45deg); color: var(--cyan); }

/* invite */
.invite { text-align: center; }
.invite .field { margin-inline: auto; }
.invite .ios {
  margin-top: 1.6rem;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--faint);
}

/* footer */
.footer {
  border-top: 1px solid var(--line);
  padding: 1.6rem var(--pad) 2.2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  justify-content: space-between;
  align-items: center;
  color: var(--faint);
  font-size: 0.78rem;
}
.footer nav { display: flex; flex-wrap: wrap; gap: 1.4rem; }
.footer-nav { display: flex; flex-wrap: wrap; align-items: center; gap: 0.6rem 2rem; }
@media (max-width: 600px) {
  .footer-nav { flex-direction: column; align-items: flex-start; gap: 0; width: 100%; }
  .footer nav.footer-contact { flex-direction: column; gap: 0; }
}
.footer a:hover { color: var(--text); }

/* reveal (only when JS runs; see theme-init.js) */
.js .reveal {
  opacity: 0;
  transform: translateY(20px);
  filter: blur(6px);
  transition: opacity 0.95s var(--ease), transform 0.95s var(--ease), filter 0.95s var(--ease);
}
.js .reveal.in { opacity: 1; transform: none; filter: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .aurora, .screen::before, .curtain svg { animation: none; }
  .js .reveal { opacity: 1; transform: none; filter: none; transition: none; }
  .js .mask .line > span { transform: none; transition: none; }
  .phone-stage { transform: none; }
  .dial .arc, .metric .bar i { transition: none; }
}

/* =====================================================================
   Emerald theme. Every value maps to an iOS app token (Aether-v3-premium):
   EP = Aether/Theme/AetherThemeStore.swift (enum EmeraldPalette)
   AT = Aether/Theme/AetherTheme.swift (struct AetherTheme, emerald branch)
   GC = Aether/Components/GlassCard.swift
   AC = Aether/Assets.xcassets/AccentColor (sRGB .827/.922/.878 = #D3EBE0)
   Classic = the site's original values in :root above, untouched.
   ===================================================================== */
:root[data-theme="emerald"] {
  --bg: #0B2C25;                         /* EP.bgPrimary */
  --bg-raise: #0F3A30;                   /* EP.surfacePrimary */
  --surface-2: #134236;                  /* EP.surfaceSecondary */
  --surface-3: #1A4D40;                  /* EP.surfaceTertiary */
  --line: rgba(255,255,255,0.10);        /* AT.hairline (white 10% on emerald) */
  --line-strong: #2F6455;                /* EP.border */
  --text: #F7F5EE;                       /* EP.textPrimary (ivory) */
  --muted: #A9C7BC;                      /* EP.textTertiary (8.3:1) */
  --faint: #8FB3A6;                      /* EP.textDisabled (6.5:1) */
  --cyan: #D3EBE0;                       /* EP.mint = AT.accentCyan = AC */
  --accent-rgb: 211,235,224;             /* EP.mint */
  --vignette: rgba(8,36,30,0.55);        /* EP.mesh #08241E */
  --scroll-thumb: #1A4D40;               /* EP.surfaceTertiary */
  --scroll-track: #08241E;               /* EP.mesh */
  --scroll-hover: #2F6455;               /* EP.border */
  --nav-bg: rgba(11,44,37,0.78);         /* EP.bgPrimary */
  --on-text: #0B2C25;                    /* EP.bgPrimary (AT.switchOnKnob on mint) */
  --aurora-a1: 0.14;                     /* EP.mesh mint opacity */
  --aurora-2: rgba(226,203,148,0.06);    /* AT.strainBlue emerald = champagne #E2CB94 */
  --aurora-a3: 0.06;
  --em: #EFE8D8;                         /* AT.sleepBlue emerald (ivory) */
  --glow-a: 0.18;                        /* AT.glow emerald opacity */
  --screen-bg: linear-gradient(180deg, #0F3A30, #0B2C25 60%); /* EP.surfacePrimary -> EP.bgPrimary */
  --track: #1A4D40;                      /* EP.surfaceTertiary */
  --arc-glow-a: 0.18;                    /* AT.glow */
  --num-font: ui-rounded, "SF Pro Rounded", -apple-system, BlinkMacSystemFont, "Geist", sans-serif; /* AetherTypography.heroNumber: rounded, monospaced digits */
  --bar-track: #134236;                  /* EP.surfaceSecondary */
  --bubble-you: rgba(247,245,238,0.06);  /* EP.textPrimary 6% */
  --shadow: rgba(8,36,30,0.5);           /* EP.mesh */
  --phone-shadow: rgba(8,36,30,0.7);     /* EP.mesh */
  --cta-bg: #2F7A64;                     /* EP.buttonTint */
  --cta-ink: #FFFFFF;                    /* white label on buttonTint, 5:1 (EP comment) */
  --radius-card: 22px;                   /* AT.radiusCard */
  --radius-control: 14px;                /* AT.radiusControl */
  --glass-stroke: rgba(255,255,255,0.12);/* GC stroke */
  --glass-stroke-on: rgba(211,235,224,0.28); /* GC emphasized: accentCyan 28% */
  --error: #FF9C94;                      /* AT.negative emerald */
  /* pillar rings: sleep ivory, recovery jade, activity champagne, score mint */
  --ring-sleep: 239,232,216;             /* AT.sleepBlue  #EFE8D8 */
  --ring-recovery: 143,217,182;          /* AT.recoveryGreen #8FD9B6 */
  --ring-recovery-mid: 173,208,162;      /* AT.recoveryYellow (sage) #ADD0A2 */
  --ring-activity: 226,203,148;          /* AT.strainBlue #E2CB94 */
  --ring-score: 211,235,224;             /* EP.mint #D3EBE0 */
}
:root { --error: #c45c5c; }              /* original form error colour (Classic) */

/* ---------- emerald: refined type and glass ---------- */
[data-theme="emerald"] .dial-num { font-weight: 600; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
[data-theme="emerald"] .metric b,
[data-theme="emerald"] .plan .price,
[data-theme="emerald"] .score-num { font-family: var(--num-font); font-weight: 600; font-variant-numeric: tabular-nums; letter-spacing: -0.01em; }
[data-theme="emerald"] .plan .price { font-size: clamp(2.2rem, 4.2vw, 3rem); }
[data-theme="emerald"] .metric[data-pillar="sleep"] { --pillar-rgb: var(--ring-sleep); }
[data-theme="emerald"] .metric[data-pillar="recovery"] { --pillar-rgb: var(--ring-recovery); }
[data-theme="emerald"] .metric[data-pillar="activity"] { --pillar-rgb: var(--ring-activity); }
[data-theme="emerald"] .metric .bar { height: 3px; }

[data-theme="emerald"] .chat,
[data-theme="emerald"] .plan,
[data-theme="emerald"] .shot {
  background: linear-gradient(180deg, rgba(255,255,255,0.035), rgba(255,255,255,0) 40%), rgba(15,58,48,0.96); /* GC: surfacePrimary 96% */
  border: 1px solid var(--glass-stroke);
  border-radius: var(--radius-card);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  backdrop-filter: blur(20px) saturate(140%);
}
[data-theme="emerald"] .plans { gap: 1rem; background: none; border: 0; }
[data-theme="emerald"] .plan.featured {
  border-color: var(--glass-stroke-on);
  background: radial-gradient(90% 60% at 50% 0%, rgba(var(--accent-rgb),0.08), transparent 70%), rgba(15,58,48,0.96);
}
[data-theme="emerald"] .plan .cta,
[data-theme="emerald"] .nav-cta { border-radius: var(--radius-control); }
[data-theme="emerald"] .bubble { border-radius: 16px; }
[data-theme="emerald"] .bubble.aether { border-color: var(--glass-stroke); }
[data-theme="emerald"] .privacy { background: radial-gradient(60% 100% at 50% 0%, rgba(var(--accent-rgb),0.07), transparent 62%), var(--bg-raise); }
[data-theme="emerald"] .phone { background: linear-gradient(150deg, rgba(247,245,238,0.20), rgba(247,245,238,0.03) 38%, rgba(211,235,224,0.10)); }

/* ---------- brand marks per theme ---------- */
.mark-emerald { display: none; }
[data-theme="emerald"] .mark-classic { display: none; }
[data-theme="emerald"] .mark-emerald { display: block; }
/* both marks sit in absolutely positioned wrappers so the spin never shifts layout;
   each wrapper carries the original 48px perspective so rotateY looks the same as the old mark */
.brand-mark > .mark-classic,
.brand-mark > .mark-emerald { position: absolute; inset: 0; perspective: 48px; }
.curtain .mark-emerald { width: 44px; height: 40px; perspective: 48px; animation: breathe 2.2s ease-in-out infinite; }
[data-theme="emerald"] .curtain .mark-emerald { display: block; }
.curtain .mark-emerald svg { width: 44px; height: 40px; overflow: visible; transform-origin: 50% 50%; transform-style: preserve-3d; animation: brand-spin 4.5s linear infinite; }
@media (prefers-reduced-motion: reduce) {
  .curtain .mark-emerald, .curtain .mark-emerald svg, .brand-mark .brand-a { animation: none; }
}

/* ---------- Classic header: the same folded A as Emerald, in Classic colours ----------
   left leg = Classic --text (#f4f1ea), right leg = Classic accent shade #00D4B8
   (--color-accent-hover in the legal pages' Classic tokens; 11:1 on #050505), mirroring Emerald's ivory + mintDeep. */
.brand .mark-classic { display: none; }
.brand .mark-emerald { display: block; }
:root:not([data-theme="emerald"]) .brand .mark-emerald path:nth-child(1),
:root:not([data-theme="emerald"]) .curtain .mark-emerald path:nth-child(1) { fill: #00D4B8; }
:root:not([data-theme="emerald"]) .brand .mark-emerald path:nth-child(2),
:root:not([data-theme="emerald"]) .curtain .mark-emerald path:nth-child(2) { fill: var(--text); }
/* loading screen: folded A in both themes */
.curtain .mark-classic { display: none; }
.curtain .mark-emerald { display: block; }

/* ---------- theme switch (header) ---------- */
.nav-right { display: flex; align-items: center; gap: 0.75rem; }
.theme-switch {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
}
.theme-switch button {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.34rem 0.62rem;
  border-radius: 999px;
  font-size: 0.64rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--muted);
  transition: background 0.3s var(--ease), color 0.3s var(--ease);
}
.theme-switch button:hover { color: var(--text); }
.theme-switch button[aria-pressed="true"] { background: rgba(255,255,255,0.09); color: var(--text); }
.swatch { width: 10px; height: 10px; border-radius: 50%; flex: 0 0 10px; }
.swatch.classic { background: #050505; box-shadow: inset 0 0 0 2px #00F5D4; }
.swatch.emerald { background: #0B2C25; box-shadow: inset 0 0 0 2px #D3EBE0; }
@media (max-width: 600px) {
  .theme-switch .lbl { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }
  .theme-switch button { padding: 0.42rem; }
  .swatch { width: 12px; height: 12px; flex-basis: 12px; }
  .nav-right { gap: 0.5rem; }
  .nav-cta { padding: 0.55rem 0.75rem; letter-spacing: 0.1em; font-size: 0.64rem; }
  .brand { gap: 0.6rem; }
  .brand span { font-size: 1.35rem; }
}

/* ---------- layout fixes (both themes) ---------- */
.nw { white-space: nowrap; }
/* footer phrases: each phrase stays whole; a separator never starts or ends a line */
.dotlist { overflow: hidden; }
.dotlist .dl { display: block; margin-left: -1.3em; white-space: normal; text-wrap: balance; }
.dotlist .dl > span { display: inline-block; white-space: nowrap; }
.dotlist .dl > span::before { content: "·"; content: "·" / ""; display: inline-block; width: 1.3em; text-align: center; }
@media (max-width: 600px) { .devices i { display: none; } .devices { gap: 0.55rem 1.25rem; } .footer nav a { display: inline-flex; align-items: center; min-height: 44px; } }
@media (max-width: 939px) { .hero-grid { grid-template-columns: minmax(0, 1fr); } }
.hero { overflow-x: clip; }
html { overflow-x: clip; }

/* ---------- mobile menu (below 860px, where the inline links already hide) ---------- */
.menu-btn { display: none; }
.msheet { display: none; }
@media (max-width: 859px) {
  .nav {
    padding-left: max(var(--pad), env(safe-area-inset-left));
    padding-right: max(var(--pad), env(safe-area-inset-right));
    padding-top: max(1.15rem, env(safe-area-inset-top));
  }
  .nav.on { padding-top: max(0.85rem, env(safe-area-inset-top)); }
  .nav-right { display: none; }
  .brand { min-height: 44px; }
  .menu-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    min-height: 44px;
    min-width: 44px;
    padding: 0 0.9rem;
    margin-right: -0.35rem;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-control);
    font-size: 0.68rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    font-weight: 500;
    color: var(--text);
  }
  .menu-btn .bars { position: relative; width: 16px; height: 8px; flex: 0 0 16px; }
  .menu-btn .bars::before, .menu-btn .bars::after {
    content: ""; position: absolute; left: 0; right: 0; height: 1.5px; border-radius: 1px; background: currentColor;
  }
  .menu-btn .bars::before { top: 0; }
  .menu-btn .bars::after { bottom: 0; }
  [data-theme="emerald"] .menu-btn { border-radius: 999px; }

  .msheet {
    position: fixed;
    inset: 0;
    z-index: 80;
    display: flex;
    flex-direction: column;
    padding:
      max(1.15rem, env(safe-area-inset-top))
      max(var(--pad), env(safe-area-inset-right))
      max(1.5rem, env(safe-area-inset-bottom))
      max(var(--pad), env(safe-area-inset-left));
    background: var(--nav-bg);
    -webkit-backdrop-filter: blur(28px) saturate(150%);
    backdrop-filter: blur(28px) saturate(150%);
    overflow-y: auto;
    overscroll-behavior: contain;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.35s var(--ease), transform 0.45s var(--ease), visibility 0s linear 0.45s;
  }
  .msheet.open { opacity: 1; visibility: visible; transform: none; transition: opacity 0.35s var(--ease), transform 0.45s var(--ease), visibility 0s; }
  .msheet[hidden] { display: none; }
  .msheet-top { display: flex; align-items: center; justify-content: space-between; }
  .msheet-close .bars::before { top: 50%; transform: translateY(-50%) rotate(45deg); }
  .msheet-close .bars::after { bottom: auto; top: 50%; transform: translateY(-50%) rotate(-45deg); }
  .msheet nav { display: grid; margin-top: 2rem; border-top: 1px solid var(--line); }
  .msheet nav a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 60px;
    border-bottom: 1px solid var(--line);
    font-family: var(--serif);
    font-size: clamp(1.7rem, 7.5vw, 2.1rem);
    letter-spacing: -0.01em;
    color: var(--text);
  }
  .msheet nav a::after { content: "→"; font-family: var(--sans); font-size: 1rem; color: var(--faint); }
  .msheet nav a:active { color: var(--cyan); }
  .msheet-foot { margin-top: auto; padding-top: 2rem; display: grid; gap: 1rem; }
  .msheet-foot .theme-label { font-size: 0.66rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--faint); }
  .msheet .theme-switch { display: grid; grid-template-columns: 1fr 1fr; width: 100%; }
  .msheet .theme-switch button { justify-content: center; min-height: 44px; padding: 0 0.8rem; font-size: 0.7rem; }
  .msheet .theme-switch .lbl { position: static; width: auto; height: auto; overflow: visible; clip: auto; }
  .msheet .cta-full {
    display: flex; align-items: center; justify-content: center;
    min-height: 52px;
    background: var(--cta-bg); color: var(--cta-ink);
    border-radius: var(--radius-control);
    font-size: 0.74rem; letter-spacing: 0.16em; text-transform: uppercase; font-weight: 600;
  }
  .msheet .msheet-note { font-size: 0.74rem; color: var(--faint); text-align: center; }
  body.menu-open { overflow: hidden; }
}

/* ---------- hero: real Today screenshot in the phone frame ---------- */
.screen.shot-screen { padding: 0; aspect-ratio: 636 / 1192; background: var(--bg); box-shadow: 0 0 0 1px rgba(0,0,0,0.55); }
/* the screen image sits inside the bezel like a real phone: a dark inner rim between frame and glass */
.phone:has(.shot-screen) { padding: 10px; }
.screen.shot-screen::after { box-shadow: inset 0 0 0 1px rgba(255,255,255,0.06); border-radius: inherit; }
.hero-shot { width: 100%; height: 100%; object-fit: cover; }
.hero-shot.emerald { display: none; }
[data-theme="emerald"] .hero-shot.classic { display: none; }
[data-theme="emerald"] .hero-shot.emerald { display: block; }

/* ---------- app screens ---------- */
.shots {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(230px, 74%);
  gap: 1rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 0.75rem;
  scrollbar-width: thin;
}
@media (min-width: 700px) { .shots { grid-auto-columns: minmax(250px, 40%); } }
/* six cards: phone keeps the sideways scroller; tablet 2 x 3; desktop 3 x 2 */
@media (min-width: 700px) { .shots { grid-auto-flow: row; grid-template-columns: repeat(2, 1fr); grid-auto-columns: auto; overflow: visible; gap: 1.1rem; padding-bottom: 0; } }
@media (min-width: 1100px) { .shots { grid-template-columns: repeat(3, 1fr); gap: 1.25rem; } }
.shot {
  scroll-snap-align: start;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--bg-raise);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
/* each app screen sits inset in its card: equal top and side padding, rounded screen corners, soft fade at the crop */
.shot { --shot-pad: clamp(12px, 1.1vw, 16px); --shot-radius: 6px; }
[data-theme="emerald"] .shot { --shot-radius: 14px; }
.shot .img { padding: var(--shot-pad) var(--shot-pad) 0; background: none; overflow: visible; border-bottom: 0; }
.shot img {
  width: 100%; height: auto; aspect-ratio: 900 / 843; object-fit: cover;
  border-radius: var(--shot-radius);
  outline: 1px solid var(--line); outline-offset: -1px;
  -webkit-mask-image: linear-gradient(180deg, #000 82%, transparent 100%);
  mask-image: linear-gradient(180deg, #000 82%, transparent 100%);
}
.shot img.emerald { display: none; }
[data-theme="emerald"] .shot img.classic { display: none; }
[data-theme="emerald"] .shot img.emerald { display: block; }
.shot figcaption { padding: 1rem 1.1rem 1.2rem; }
.shot h3 { font-family: var(--serif); font-weight: 400; font-size: 1.45rem; letter-spacing: -0.01em; margin-bottom: 0.25rem; }
.shot p { color: var(--muted); font-weight: 300; font-size: 0.9rem; line-height: 1.55; }
.shots:focus-visible { outline: 1px solid var(--cyan); outline-offset: 6px; }
.shots-note { margin-top: 1.1rem; color: var(--faint); font-size: 0.8rem; }

.screen-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem; margin-top: 1rem; }
.screen-pair div { border: 1px solid var(--line); padding: 0.5rem 0.6rem; text-align: center; }
[data-theme="emerald"] .screen-pair div { border-radius: 12px; background: rgba(255,255,255,0.03); }
.screen-pair b { display: block; font-family: var(--num-font); font-size: 1.15rem; font-weight: 500; font-variant-numeric: tabular-nums; line-height: 1.2; }
.screen-pair span { font-size: 0.58rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--faint); }

/* ---------- hero: large faint folded A (app-icon geometry) bleeding off the top-right, with a soft glow ----------
   Same paths as the header mark and the app icon (viewBox 237 260 553 506). Clipped by .hero-bg so it never
   causes overflow; masked towards the bottom so it never fights the copy or the phone. */
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  pointer-events: none;
}
.hero-wash {
  position: absolute;
  top: -18%;
  right: -12%;
  width: min(78vw, 1100px);
  aspect-ratio: 1;
  background: radial-gradient(closest-side, rgba(var(--accent-rgb), var(--hero-wash-a)), transparent 72%);
}
.hero-mark {
  position: absolute;
  top: -9vh;
  right: -7vw;
  width: min(58vw, 860px);
  height: auto;
  max-width: none;
  overflow: visible;
  opacity: var(--hero-mark-a);
  transform-origin: 50% 0%;
  -webkit-mask-image: linear-gradient(to bottom, #000 35%, rgba(0,0,0,0.35) 70%, transparent 96%);
  mask-image: linear-gradient(to bottom, #000 35%, rgba(0,0,0,0.35) 70%, transparent 96%);
  animation: hero-mark-drift 42s ease-in-out infinite alternate;
}
.hero-mark .leg-l { fill: var(--hero-mark-l); }
.hero-mark .leg-r { fill: var(--hero-mark-r); }
@keyframes hero-mark-drift {
  from { transform: translate3d(0, 0, 0) rotate(0deg); }
  to   { transform: translate3d(-1.2%, 1.6%, 0) rotate(-1.2deg); }
}
@media (prefers-reduced-motion: reduce) {
  .hero-mark { animation: none; }
}
/* Classic palette: ivory + Classic accent shade, as in the Classic header mark */
:root {
  --hero-mark-l: #f4f1ea;
  --hero-mark-r: #00D4B8;
  --hero-mark-a: 0.10;
  --hero-wash-a: 0.085;
}
/* Emerald palette: ivory + mintDeep, as in the app icon */
:root[data-theme="emerald"] {
  --hero-mark-l: #F7F5EE;
  --hero-mark-r: #7FB8A4;
  --hero-mark-a: 0.075;
  --hero-wash-a: 0.10;
}
/* tablet: single column, phone below the copy. Keep the mark in the top-right corner, cropped. */
@media (max-width: 939px) {
  .hero-mark { top: -8vh; right: -30vw; width: 80vw;
    -webkit-mask-image: linear-gradient(to bottom, #000 25%, rgba(0,0,0,0.3) 55%, transparent 82%);
    mask-image: linear-gradient(to bottom, #000 25%, rgba(0,0,0,0.3) 55%, transparent 82%); }
  .hero-wash { top: -14%; right: -30%; width: 110vw; }
}
/* phones: smaller, mostly off-canvas, and fainter so it never clutters the headline */
@media (max-width: 600px) {
  .hero-mark { top: -3vh; right: -48vw; width: 108vw; opacity: calc(var(--hero-mark-a) * 0.75); }
  .hero-wash { top: -10%; right: -55%; width: 140vw; }
}

/* ---------- phone/tablet refinements (below 860px): slimmer header, quieter menu sheet, theme switch in the footer ---------- */
.footer-theme { display: none; }
@media (max-width: 859px) {
  .nav { padding-top: max(0.8rem, env(safe-area-inset-top)); padding-bottom: 0.8rem; }
  .nav.on { padding-top: max(0.5rem, env(safe-area-inset-top)); padding-bottom: 0.5rem; }
  .brand { min-height: 40px; gap: 0.6rem; }
  .brand span { font-size: 1.25rem; }
  .brand-mark, .brand-mark svg { width: 26px; height: 26px; flex-basis: 26px; }
  .menu-btn { min-height: 38px; min-width: 38px; padding: 0 0.8rem; gap: 0.5rem; font-size: 0.62rem; letter-spacing: 0.14em; margin-right: -0.2rem; }
  .menu-btn .bars { width: 14px; height: 7px; flex-basis: 14px; }

  .msheet { padding-top: max(0.8rem, env(safe-area-inset-top)); }
  .msheet nav { margin-top: 1.25rem; }
  .msheet nav a { min-height: 48px; font-size: 1.3rem; letter-spacing: 0; }
  .msheet nav a::after { font-size: 0.85rem; }
  .msheet-foot { padding-top: 1.5rem; gap: 0.75rem; }
  .msheet .cta-full { min-height: 46px; font-size: 0.68rem; }
  .msheet .msheet-note { font-size: 0.7rem; }

  .footer-theme {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    width: 100%;
    padding-top: 1rem;
    border-top: 1px solid var(--line);
  }
  .footer-theme-label { font-size: 0.62rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--faint); }
  .footer-theme .theme-switch button { padding: 0.3rem 0.6rem; min-height: 32px; font-size: 0.6rem; }
  .footer-theme .theme-switch .lbl { position: static; width: auto; height: auto; overflow: visible; clip: auto; }
  .footer-theme .swatch { width: 9px; height: 9px; flex-basis: 9px; }
}

/* ---------- footer social links (monochrome inline SVG) ---------- */
.footer .footer-social { display: flex; align-items: center; gap: 0.35rem; }
.footer .footer-social a { display: inline-flex; align-items: center; justify-content: center; width: 34px; height: 34px; min-height: 0; color: var(--muted); border-radius: 999px; transition: color 0.3s var(--ease), background 0.3s var(--ease); }
.footer .footer-social a:hover { color: var(--text); background: rgba(255,255,255,0.06); }
.footer .footer-social svg { width: 16px; height: 16px; }
@media (max-width: 600px) { .footer .footer-social { margin: 0.4rem 0 0 -0.55rem; } .footer .footer-social a { min-height: 0; } }