/* ============================================================
   SANDR — marketing site
   Light app-native marketing surface. Skin colors used as
   micro-accents only (squares, dots, stops) — never loud surfaces.
   ============================================================ */

@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap");

:root {
  /* ---- monochrome surface ---- */
  --paper: #f3f1ea;        /* warm paper */
  --paper-2: #eae7dd;      /* deeper paper */
  --bg: #f6f4ee;           /* page ground */
  --card: #faf9f4;         /* raised surface */
  --ink: #0e0e0d;          /* near-black */
  --graphite: #2e2e2c;
  --ink-72: rgba(14, 14, 13, 0.72);
  --ink-54: rgba(14, 14, 13, 0.54);
  --ink-40: rgba(14, 14, 13, 0.40);
  --ink-22: rgba(14, 14, 13, 0.22);
  --ink-12: rgba(14, 14, 13, 0.12);
  --ink-06: rgba(14, 14, 13, 0.06);
  --border: rgba(14, 14, 13, 0.10);
  --radius-panel: 12px;
  --radius-control: 8px;

  /* ---- depth (soft neutral shadow, no glow, no color) ---- */
  --shadow-card: 0 1px 2px rgba(14, 14, 13, 0.05), 0 22px 48px -28px rgba(14, 14, 13, 0.32);
  --shadow-soft: 0 1px 1px rgba(14, 14, 13, 0.04), 0 12px 30px -20px rgba(14, 14, 13, 0.30);
  --shadow-bubble: 0 6px 14px rgba(14, 14, 13, 0.16);

  /* ---- skins collapsed to one ink ---- */
  --cobalt: var(--ink);
  --plum: var(--ink);
  --sage: var(--ink);
  --coral: var(--ink);
  --teal: var(--ink);
  --gold: var(--ink);
  --terracotta: var(--ink);

  --font-display: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --font: var(--font-body);
  --ease: cubic-bezier(0.22, 0.8, 0.2, 1);

  /* live signal dot — the one alive node */
  --live: #0e0e0d;

  /* slabs stay dark in BOTH themes (dark-band, footer) */
  --slab: #0e0e0d;
  --slab-ink: #faf9f4;

  /* scrim behind hero text, theme-aware */
  --scrim-rgb: 246, 244, 238;

  color-scheme: light;
}

/* ============================================================
   DARK THEME — monochrome palette inverted
   ============================================================ */
[data-theme="dark"] {
  --paper: #17171b;
  --paper-2: #1e1e23;
  --bg: #101013;
  --card: #1b1b20;
  --ink: #f3f1ea;
  --graphite: #ceccc5;
  --ink-72: rgba(243, 241, 234, 0.74);
  --ink-54: rgba(243, 241, 234, 0.56);
  --ink-40: rgba(243, 241, 234, 0.42);
  --ink-22: rgba(243, 241, 234, 0.24);
  --ink-12: rgba(243, 241, 234, 0.14);
  --ink-06: rgba(243, 241, 234, 0.07);
  --border: rgba(243, 241, 234, 0.14);
  --live: #f3f1ea;
  --scrim-rgb: 16, 16, 19;
  --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.5), 0 24px 50px -28px rgba(0, 0, 0, 0.72);
  --shadow-soft: 0 1px 1px rgba(0, 0, 0, 0.4), 0 14px 32px -20px rgba(0, 0, 0, 0.6);
  --shadow-bubble: 0 6px 16px rgba(0, 0, 0, 0.55);
  color-scheme: dark;
}

html { transition: background-color 0.4s var(--ease); }
body { transition: background-color 0.4s var(--ease), color 0.4s var(--ease); }

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 0;
  scroll-snap-type: y proximity;
}

/* every top-level section settles to a clean full view */
main > section,
.site-foot {
  scroll-snap-align: start;
  scroll-snap-stop: normal;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-snap-type: none; }
}

/* snap fights the mobile address-bar resize — keep it desktop-only */
@media (max-width: 760px) {
  html { scroll-snap-type: none; }
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

::selection { background: var(--ink); color: var(--card); }

a { color: inherit; text-decoration: none; }
img, svg { display: block; }

/* ---------- paper grain (fixed, monochrome, subtle) ---------- */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.5;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
  background-size: 160px 160px;
}

[data-theme="dark"] body::before {
  mix-blend-mode: screen;
  opacity: 0.11;
}

@media (prefers-reduced-motion: no-preference) {
  body::before { will-change: auto; }
}

/* ============================================================
   THEME TOGGLE + BACK TO TOP
   ============================================================ */
.floating-controls {
  position: fixed;
  bottom: clamp(1rem, 2.5vw, 1.8rem);
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.floating-controls.fc-right { right: clamp(1rem, 2.5vw, 1.8rem); }

.fc-btn {
  -webkit-appearance: none;
  appearance: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 0;
  background: transparent;
  color: var(--ink);
  display: grid;
  place-items: center;
  cursor: pointer;
  box-shadow: none;
  transition: transform 0.25s var(--ease), background 0.3s var(--ease),
    color 0.3s var(--ease), opacity 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.fc-btn:hover {
  transform: translateY(-2px);
}

.fc-btn svg { width: 18px; height: 18px; display: block; }
.fc-btn:focus-visible { outline: 1px solid var(--ink-40); outline-offset: 3px; }

.site-head .fc-theme {
  flex: 0 0 auto;
  margin-left: auto;
  color: var(--ink-72);
}

.site-head .fc-theme:hover { color: var(--ink); }
.site-head.over-dark .fc-theme { color: color-mix(in srgb, var(--slab-ink) 72%, transparent); }
.site-head.over-dark .fc-theme:hover { color: var(--slab-ink); }

/* back-to-top hides until the page has scrolled */
.fc-top {
  background: rgba(246, 244, 238, 0.72);
  -webkit-backdrop-filter: blur(18px) saturate(1.18);
  backdrop-filter: blur(18px) saturate(1.18);
  box-shadow: 0 14px 42px -34px rgba(14, 14, 13, 0.42);
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px) scale(0.92);
}

.fc-top:hover {
  background: rgba(246, 244, 238, 0.84);
  color: var(--ink);
  box-shadow: 0 16px 46px -32px rgba(14, 14, 13, 0.5);
}

[data-theme="dark"] .fc-top {
  background: rgba(16, 16, 19, 0.66);
  box-shadow: 0 14px 42px -32px rgba(0, 0, 0, 0.72);
}

[data-theme="dark"] .fc-top:hover {
  background: rgba(16, 16, 19, 0.78);
}

.fc-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: none;
}

/* sun/moon icon swap driven by theme */
.fc-theme .icon-moon { display: none; }
.fc-theme .icon-sun { display: block; }
[data-theme="dark"] .fc-theme .icon-moon { display: block; }
[data-theme="dark"] .fc-theme .icon-sun { display: none; }

@media (prefers-reduced-motion: reduce) {
  .fc-btn, .fc-top { transition: opacity 0.2s linear; }
}

/* ============================================================
   MOBILE MENU — burger + full-screen overlay
   ============================================================ */
.nav-burger {
  position: fixed;
  top: clamp(0.7rem, 2vw, 1.1rem);
  right: clamp(0.9rem, 3vw, 1.4rem);
  z-index: 120;
  width: 44px;
  height: 44px;
  display: none;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 0;
  cursor: pointer;
  color: #fff;
  mix-blend-mode: difference;
}

/* when the overlay is open the X sits on a solid panel — drop the blend */
.nav-burger.is-open { mix-blend-mode: normal; color: var(--ink); }

.nav-burger__box { position: relative; width: 23px; height: 14px; }

.nav-burger__box span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 1.6px;
  background: currentColor;
  border-radius: 2px;
  transition: transform 0.35s var(--ease), opacity 0.2s var(--ease);
}

.nav-burger__box span:nth-child(1) { top: 0; }
.nav-burger__box span:nth-child(2) { top: 50%; transform: translateY(-50%); }
.nav-burger__box span:nth-child(3) { bottom: 0; }

.nav-burger.is-open .nav-burger__box span:nth-child(1) { top: 50%; transform: translateY(-50%) rotate(45deg); }
.nav-burger.is-open .nav-burger__box span:nth-child(2) { opacity: 0; }
.nav-burger.is-open .nav-burger__box span:nth-child(3) { bottom: 50%; transform: translateY(50%) rotate(-45deg); }

.nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 110;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(4.5rem, 14vw, 7rem) clamp(1.6rem, 9vw, 3rem);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease), visibility 0.4s;
}

.nav-overlay.is-open { opacity: 1; visibility: visible; transform: none; }

.nav-overlay__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: clamp(0.15rem, 1vw, 0.5rem);
}

.nav-overlay__list a {
  display: flex;
  align-items: baseline;
  gap: 1.1rem;
  padding: 0.45rem 0;
  font-family: var(--font-display);
  font-weight: 300;
  letter-spacing: -0.02em;
  font-size: clamp(2rem, 9vw, 3rem);
  line-height: 1.04;
  color: var(--ink);
}

.nav-overlay__list a .n {
  flex: none;
  width: 2.4rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--ink-40);
  transform: translateY(-0.4em);
}

.nav-overlay__list a.active { text-decoration: underline; text-underline-offset: 8px; text-decoration-thickness: 1px; }
.nav-overlay__list a.active .n { color: var(--ink); }

@media (max-width: 1024px) {
  .nav-burger { display: flex; }
  body .main-nav { display: none; }
}

/* ---------- type scale ---------- */

.display {
  font-family: var(--font-display);
  font-size: clamp(2.9rem, 7vw, 6.6rem);
  line-height: 0.92;
  font-weight: 300;
  font-style: normal;
  letter-spacing: -0.025em;
}

.headline {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.8vw, 3.1rem);
  line-height: 1.04;
  font-weight: 300;
  font-style: normal;
  letter-spacing: -0.02em;
}

/* highlighted keyword inside a headline: a touch more weight + a simple,
   continuous light sweep (like a loading shimmer). Monochrome, on-brand. */
.hl {
  font-weight: 500;
  background: linear-gradient(
    90deg,
    var(--ink) 0%,
    var(--ink) 35%,
    var(--ink-40) 50%,
    var(--ink) 65%,
    var(--ink) 100%
  );
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  animation: hl-shimmer 2.6s linear infinite;
}

@keyframes hl-shimmer {
  from { background-position: -100% 0; }
  to { background-position: 100% 0; }
}

@media (prefers-reduced-motion: reduce) {
  .hl {
    animation: none;
    background: none;
    -webkit-text-fill-color: var(--ink);
    color: var(--ink);
  }
}

.lede {
  font-size: clamp(1.05rem, 1.55vw, 1.32rem);
  line-height: 1.55;
  color: var(--graphite);
  font-weight: 400;
  letter-spacing: -0.005em;
}

.kicker {
  --eyebrow-shimmer-color: var(--ink-40);
  font-size: 0.7rem;
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--eyebrow-shimmer-color);
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

/* mono eyebrow with a leading tick rule */
.kicker::before {
  content: "";
  width: 1.6rem;
  height: 1px;
  background: var(--eyebrow-shimmer-color);
  flex: none;
  opacity: 0.6;
  -webkit-text-fill-color: var(--eyebrow-shimmer-color);
}

.kicker,
.chapter-kicker,
.page-masthead__tag {
  background-image: linear-gradient(
    110deg,
    var(--eyebrow-shimmer-color) 0%,
    var(--eyebrow-shimmer-color) 38%,
    color-mix(in srgb, var(--eyebrow-shimmer-color) 34%, var(--bg)) 48%,
    var(--eyebrow-shimmer-color) 58%,
    var(--eyebrow-shimmer-color) 100%
  );
  background-size: 280% 100%;
  background-position: 120% 0;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: eyebrow-shimmer 6.5s ease-in-out infinite;
}

@keyframes eyebrow-shimmer {
  0%, 42% { background-position: 120% 0; }
  82%, 100% { background-position: -120% 0; }
}

@media (prefers-reduced-motion: reduce) {
  .kicker,
  .chapter-kicker,
  .page-masthead__tag {
    animation: none;
    background-image: none;
    -webkit-text-fill-color: currentColor;
  }
}

.muted { color: var(--ink-54); }

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

.wrap {
  width: min(1180px, calc(100% - 3rem));
  margin: 0 auto;
}

section { position: relative; }

.section {
  padding: clamp(5rem, 11vw, 9.5rem) 0;
  overflow: clip;
}

.section + .section { border-top: 1px solid var(--ink-12); }

.grid-2 {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}

@media (max-width: 820px) {
  .grid-2 { grid-template-columns: 1fr; }
}

@media (min-width: 821px) {
  .grid-2 > .kicker:first-child {
    position: sticky;
    top: 7.2rem;
  }
}

/* ---------- header ---------- */

.site-head {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 60;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  gap: clamp(1.2rem, 3vw, 2.6rem);
  padding: clamp(1rem, 2vw, 1.5rem) clamp(1.2rem, 3vw, 2.4rem);
  background: transparent;
  border: 0;
  pointer-events: none;
}

.site-head > * { pointer-events: auto; }

.brand {
  --brand-grape-size: 24px;
  --brand-logo-height: 21px;
  --brand-logo-width: calc(var(--brand-logo-height) * 1638 / 467);
  display: inline-flex;
  align-items: center;
  gap: 0.32rem;
  height: 30px;
  color: var(--ink);
  position: relative;
  isolation: isolate;
  overflow: hidden;
}

.brand::after {
  content: "";
  position: absolute;
  top: 50%;
  left: calc(var(--brand-grape-size) + 0.32rem);
  width: var(--brand-logo-width);
  height: var(--brand-logo-height);
  z-index: 2;
  pointer-events: none;
  -webkit-mask: url("assets/sandr-sharp-transparent.svg") center / contain no-repeat;
  mask: url("assets/sandr-sharp-transparent.svg") center / contain no-repeat;
  background: linear-gradient(
    110deg,
    transparent 0%,
    transparent 38%,
    rgba(255,255,255,0.82) 48%,
    transparent 58%,
    transparent 100%
  );
  background-size: 260% 100%;
  background-position: 125% 0;
  transform: translateY(-50%);
  opacity: 0;
  mix-blend-mode: screen;
  animation: brand-sheen 7.5s ease-in-out infinite;
}

.brand .sq { display: none; }

.brand__grape {
  width: var(--brand-grape-size);
  height: 30px;
  overflow: visible;
  flex: none;
  color: currentColor;
  animation: brand-grape-lift 7.5s ease-in-out infinite;
}

.brand__logo {
  width: auto;
  height: var(--brand-logo-height);
  object-fit: contain;
  object-position: left center;
}

/* primary menu — a transparent vertical rail pinned to the left edge.
   white + difference blend keeps it legible over any section, light or dark,
   so it needs no background panel of its own. */
.main-nav {
  position: fixed;
  top: clamp(5rem, 6.5vw, 6.25rem);
  left: clamp(1.1rem, 2.4vw, 2.2rem);
  z-index: 70;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: clamp(0.6rem, 1.1vw, 0.9rem);
  text-align: left;
  color: #fff;
  mix-blend-mode: difference;
  pointer-events: auto;
}

.main-nav a {
  color: currentColor;
  font: 500 0.82rem/1 var(--font-body);
  letter-spacing: 0.01em;
  opacity: 0.72;
  text-underline-offset: 6px;
  text-decoration-thickness: 1px;
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
}

/* quiet, smooth: a small slide + lift on hover, no scaling */
.main-nav a:hover { opacity: 1; transform: translateX(4px); }

.main-nav a.active {
  opacity: 1;
  text-decoration: underline;
  text-decoration-color: currentColor;
}

@media (prefers-reduced-motion: reduce) {
  .main-nav a { transition: opacity 0.2s linear; }
  .main-nav a:hover { transform: none; }
}

/* over a dark slab the floating brand inverts to stay readable */
.brand,
.brand__logo { transition: color 0.3s var(--ease), filter 0.3s var(--ease); }

/* wordmark is a black SVG image — show it light whenever it sits on dark */
.brand__logo { filter: invert(0); }
[data-theme="dark"] .brand__logo { filter: invert(1); }
.site-head.over-dark .brand__logo { filter: invert(1); }

.site-head.over-dark .brand { color: var(--slab-ink); }

@keyframes brand-sheen {
  0%, 46% {
    opacity: 0;
    background-position: 125% 0;
  }
  54% { opacity: 0.42; }
  66% {
    opacity: 0;
    background-position: -125% 0;
  }
  100% {
    opacity: 0;
    background-position: -125% 0;
  }
}

@keyframes brand-grape-lift {
  0%, 46%, 68%, 100% { filter: none; }
  56% { filter: drop-shadow(0 0 5px color-mix(in srgb, currentColor 28%, transparent)); }
}

@media (prefers-reduced-motion: reduce) {
  .brand::after,
  .brand__grape {
    animation: none;
  }

  .brand::after {
    opacity: 0;
  }
}

@media (max-width: 620px) {
  .site-head {
    gap: 1rem;
    padding-inline: 1rem;
  }

  .brand {
    --brand-grape-size: 22px;
    --brand-logo-height: 20px;
  }

  .site-head .fc-theme {
    margin-right: 3rem;
  }

  .brand__grape { width: 22px; }
  .brand__logo { height: 20px; }
}

/* ---------- shared bits ---------- */

.sq {
  --signal-size: 9px;
  --signal-drift: 5.2s;
  --signal-delay: -0.4s;
  --signal-x: 0.8px;
  --signal-y: 1px;
  display: inline-flex;
  width: var(--signal-size);
  height: var(--signal-size);
  position: relative;
  flex: none;
  background: transparent;
  color: currentColor;
  vertical-align: middle;
}

.sq::before {
  content: "";
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: currentColor;
  animation: signalDrift var(--signal-drift) ease-in-out infinite;
  animation-delay: var(--signal-delay);
}

.sq.cobalt { --signal-size: 11px; --signal-delay: -1.1s; --signal-x: 0.7px; --signal-y: 1.2px; }
.sq.plum { --signal-size: 8px; --signal-delay: -1.9s; --signal-x: 1px; --signal-y: 0.7px; }
.sq.sage { --signal-size: 10px; --signal-delay: -2.6s; --signal-x: 0.6px; --signal-y: 0.9px; }
.sq.coral { --signal-size: 7px; --signal-delay: -0.8s; --signal-x: 0.9px; --signal-y: 1px; }
.sq.teal { --signal-size: 12px; --signal-delay: -1.5s; --signal-x: 0.8px; --signal-y: 0.8px; }
.sq.gold { --signal-size: 6px; --signal-delay: -2.2s; --signal-x: 1.1px; --signal-y: 0.6px; }
.sq.terracotta { --signal-size: 9px; --signal-delay: -3s; --signal-x: 0.7px; --signal-y: 1.1px; }

@keyframes signalDrift {
  0%, 100% { transform: translate3d(0, 0, 0); }
  38% { transform: translate3d(var(--signal-x), calc(var(--signal-y) * -1), 0); }
  72% { transform: translate3d(calc(var(--signal-x) * -0.65), var(--signal-y), 0); }
}

@media (prefers-reduced-motion: reduce) {
  .sq::before {
    animation: none;
    transform: none;
  }
}

.btn-row { display: flex; gap: 1rem; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  min-height: 48px;
  font: 500 0.95rem/1 var(--font-body);
  letter-spacing: 0;
  text-transform: none;
  padding: 0.95rem 1.35rem;
  border: 1px solid var(--ink);
  border-radius: var(--radius-control);
  background: var(--ink);
  color: var(--card);
  cursor: pointer;
  transition: all 0.3s var(--ease);
  position: relative;
  box-shadow: var(--shadow-soft);
}

.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-card); }

.btn .arr { transition: transform 0.3s var(--ease); }
.btn:hover .arr { transform: translateX(6px); }

.btn.ghost { background: transparent; color: var(--ink); }
.btn.ghost:hover { background: var(--ink); color: var(--card); }
.btn.invert { background: var(--slab-ink); color: var(--slab); border-color: var(--slab-ink); }
.btn.invert:hover { background: transparent; color: var(--slab-ink); }

/* reveal on scroll */
[data-reveal] {
  opacity: 1;
  transform: translateY(18px);
  transition:
    opacity 0.7s var(--ease),
    transform 0.7s var(--ease);
}

[data-reveal].in {
  opacity: 1;
  transform: none;
}

[data-reveal][data-delay="1"] { transition-delay: 0.12s; }
[data-reveal][data-delay="2"] { transition-delay: 0.24s; }
[data-reveal][data-delay="3"] { transition-delay: 0.36s; }

/* ghost numbers (WOVE) */
.ghost-num {
  font-family: var(--font-display);
  font-weight: 300;
  font-style: normal;
  color: transparent;
  -webkit-text-stroke: 1.3px var(--ink-22);
  letter-spacing: 0;
  transform: rotate(-10deg);
  display: inline-block;
  line-height: 1;
}

/* ============================================================
   HERO — app-native landing
   ============================================================ */

.poster {
  min-height: 100svh;
  padding: 7.5rem clamp(1.25rem, 4vw, 4.5rem) 4.5rem;
  background: var(--bg);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

.hero-pulse-web {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  display: block;
  pointer-events: none;
  opacity: 1;
}

.poster::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(var(--scrim-rgb),0.96) 0%, rgba(var(--scrim-rgb),0.84) 36%, rgba(var(--scrim-rgb),0.18) 68%, rgba(var(--scrim-rgb),0.02) 100%),
    linear-gradient(180deg, rgba(var(--scrim-rgb),0.42), rgba(var(--scrim-rgb),0.74) 78%, rgba(var(--scrim-rgb),0.92));
}

.poster-content {
  position: relative;
  z-index: 2;
  width: min(760px, 100%);
  text-align: left;
}

.poster-content .kicker { margin-bottom: 1.7rem; }

.poster-content .display { max-width: 11.6ch; }

.poster-content .lede { max-width: 52ch; margin-top: 1.75rem; }

.poster-content .btn-row { margin-top: 2.3rem; }

@media (max-width: 920px) {
  .poster {
    min-height: auto;
    padding-top: 7rem;
  }
}

@media (max-width: 700px) {
  .display {
    font-size: clamp(2.55rem, 11.5vw, 3.25rem);
    line-height: 1.04;
    letter-spacing: 0;
  }

  .poster-content .btn-row {
    flex-direction: column;
    align-items: stretch;
  }

  .poster-content .btn {
    width: 100%;
    justify-content: center;
  }

}

/* ============================================================
   HERO PHONE — the live Today shell on the opening, right column
   ============================================================ */
.sandr-hero__phone {
  position: relative;
  z-index: 2;
  flex: none;
  align-self: center;
  margin-left: auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* hero becomes copy-left / glass-right on desktop */
@media (min-width: 861px) {
  .nav-intro {
    align-items: center;
    gap: clamp(1.5rem, 4vw, 4.5rem);
  }
  .nav-intro .poster-content { flex: 1 1 auto; }
  /* a touch smaller than the inline embeds so it fits the hero viewport */
  .sandr-hero__phone .sandr-glass { --scale: 0.72; }
}

/* clear the fixed left nav rail so the heading never sits under it */
@media (min-width: 1025px) {
  .nav-intro { padding-left: clamp(9.5rem, 9vw, 12rem); }
}

/* narrow screens: drop the glass below the copy */
@media (max-width: 860px) {
  .nav-intro { flex-direction: column; align-items: flex-start; }
  .sandr-hero__phone { margin: 2.4rem auto 0; align-self: center; }
}

/* ============================================================
   homepage as navigation
   ============================================================ */

body.home-dial .site-head {
  justify-content: flex-start;
  animation: logoReveal 1.1s var(--ease) both;
}

body.home-dial .brand {
  transform-origin: left center;
}

body.home-dial .brand__grape {
  animation:
    grapeArrive 1.15s var(--ease) both,
    brand-grape-lift 7.5s ease-in-out infinite;
}

body.home-dial .brand__logo {
  animation: wordmarkArrive 1.15s var(--ease) 0.08s both;
}

@media (prefers-reduced-motion: reduce) {
  body.home-dial .brand__grape,
  body.home-dial .brand__logo {
    animation: none;
  }
}

@keyframes logoReveal {
  from { background: rgba(255,255,255,0); border-color: transparent; }
}

@keyframes grapeArrive {
  0% { opacity: 0; transform: translateX(-14px) rotate(-18deg) scale(0.72); }
  58% { opacity: 1; transform: translateX(3px) rotate(4deg) scale(1.08); }
  100% { opacity: 1; transform: none; }
}

@keyframes wordmarkArrive {
  0% { opacity: 0; transform: translateX(-8px); }
  100% { opacity: 1; transform: none; }
}

.nav-intro {
  min-height: 70svh;
  padding-top: 8rem;
  align-items: flex-end;
  padding-bottom: clamp(4.5rem, 8vw, 7rem);
}

.nav-intro .poster-content {
  width: min(720px, 100%);
}

.nav-intro .display {
  max-width: 12ch;
}

.nav-intro .lede {
  max-width: 46ch;
}

.nav-intro::after {
  background:
    linear-gradient(90deg, rgba(var(--scrim-rgb),0.97) 0%, rgba(var(--scrim-rgb),0.9) 34%, rgba(var(--scrim-rgb),0.26) 72%, rgba(var(--scrim-rgb),0.08) 100%),
    linear-gradient(180deg, rgba(var(--scrim-rgb),0.28), rgba(var(--scrim-rgb),0.74) 84%, rgba(var(--scrim-rgb),1));
}

/* dark mode: light text reads on dark already, so keep the scrim shallow.
   a broad full-screen fade bands badly at 8-bit — restrict it to the edges. */
[data-theme="dark"] .nav-intro::after {
  background:
    linear-gradient(90deg,
      rgba(var(--scrim-rgb),0.82) 0%,
      rgba(var(--scrim-rgb),0.42) 42%,
      rgba(var(--scrim-rgb),0.06) 74%,
      rgba(var(--scrim-rgb),0) 100%),
    linear-gradient(180deg,
      rgba(var(--scrim-rgb),0) 58%,
      rgba(var(--scrim-rgb),0.42) 90%,
      rgba(var(--scrim-rgb),0.82) 100%);
}

.home-nav-loop {
  --loop-accent: var(--ink);
  --loop-accent-soft: var(--ink-06);
  border-top: 1px solid var(--ink-12);
  background: var(--bg);
  transition: color 0.5s var(--ease);
}

.home-nav-loop .loop-stage {
  position: relative;
  top: auto;
  height: calc(100svh - 58px);
  min-height: 680px;
  background: var(--bg);
  justify-content: flex-start;
  gap: clamp(2rem, 5vw, 5.5rem);
  padding: 0 clamp(2rem, 6vw, 6rem);
}

.home-nav-loop .loop-track { display: none; }

/* ---- the dial plate + living cluster hub ---- */
.home-nav-loop .dial-core {
  position: relative;
  flex: none;
  width: 54svh;
  height: 54svh;
  display: grid;
  place-items: center;
}

.home-nav-loop .dial-circle {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 80%;
  height: 80%;
  transform: translate(-50%, -50%);
  border: 1px solid var(--ink-22);
  border-radius: 50%;
  background: var(--card);
  box-shadow: var(--shadow-card), inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

/* engraved tick ring just inside the rim */
.home-nav-loop .dial-circle::after {
  content: "";
  position: absolute;
  inset: 7%;
  border-radius: 50%;
  border: 1px solid var(--ink-12);
}

.home-nav-loop .dial-ring {
  position: absolute;
  inset: 0;
}

.home-nav-loop .dial-cluster {
  position: relative;
  z-index: 2;
  width: 50%;
  height: 50%;
  overflow: visible;
  color: var(--ink);
  --dot: var(--ink);
  filter: drop-shadow(0 6px 10px rgba(14, 14, 13, 0.18));
}

.home-nav-loop .dial-dot {
  top: 50%;
  right: 9%;
  width: 7px;
  height: 7px;
  background: var(--ink);
  z-index: 3;
}

.home-nav-loop .dial-core__label {
  position: absolute;
  bottom: 3%;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-40);
}

.home-nav-loop .dial-content {
  margin-left: 0;
  flex: 1;
  width: auto;
  max-width: 880px;
  padding-right: clamp(2rem, 6vw, 6rem);
  height: calc(100svh - 12rem);
  min-height: 480px;
  display: flex;
  flex-direction: column;
}

.home-nav-loop .dial-content > .kicker {
  margin-bottom: 1.35rem;
  color: var(--loop-accent);
}

.home-nav-loop .dial-content .step-body {
  font-size: clamp(1rem, 1.45vw, 1.15rem);
  max-width: none;
  flex: 1;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 0 0 3rem 0;
  scrollbar-width: none;
}

.home-nav-loop .dial-content .step-body::-webkit-scrollbar { display: none; width: 0; }
.home-nav-loop .dial-content .step-body::-webkit-scrollbar-track { background: transparent; }
.home-nav-loop .dial-content .step-body::-webkit-scrollbar-thumb { background: var(--ink-22); }
.home-nav-loop .dial-content .step-body::-webkit-scrollbar-button { display: none; height: 0; }

.home-nav-loop .dial-ring .dnum {
  font-size: clamp(1.3rem, 3.4svh, 2.1rem);
  -webkit-text-stroke-width: 1px;
}

.home-nav-loop .dial-ring .dnum.active {
  color: var(--loop-accent);
  -webkit-text-stroke: 1px transparent;
  transform-box: fill-box;
}

.home-nav-loop .dial-dot,
.home-nav-loop .loop-progress i.on,
.home-nav-loop .step-title .sq::before {
  background: var(--loop-accent);
}

.home-nav-loop .big-num {
  color: var(--loop-accent);
}

.home-nav-loop .step-title {
  font-size: clamp(1.45rem, 2.7vw, 2.25rem);
  max-width: 26ch;
}

.home-nav-loop .dial-fader {
  min-height: 0;
  flex: 1;
  display: flex;
  flex-direction: column;
  will-change: opacity, transform;
}

.home-nav-loop .dial-fader.fading {
  opacity: 0;
  transform: translateX(-44px) scale(0.985);
}

.chapter-kicker,
.chapter-lede,
.chapter-grid,
.chapter-flow {
  display: block;
}

.chapter-kicker {
  --eyebrow-shimmer-color: var(--ink-40);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--eyebrow-shimmer-color);
  margin: 0 0 1.4rem;
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.chapter-kicker::before {
  content: "";
  width: 1.6rem;
  height: 1px;
  background: var(--eyebrow-shimmer-color);
  opacity: 0.6;
  -webkit-text-fill-color: var(--eyebrow-shimmer-color);
}

.chapter-lede {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3vw, 2.9rem);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.04;
  max-width: 22ch;
  color: var(--ink);
  margin: 0 0 clamp(2.4rem, 4vw, 3.6rem);
}

/* flowing, boxless editorial rows — strong heading, then prose */
.chapter-section {
  display: block;
  max-width: 64ch;
  margin-top: 0;
  padding: clamp(1.6rem, 3vw, 2.4rem) 0;
  border-top: 1px solid var(--ink-12);
  color: var(--ink-72);
  line-height: 1.62;
  font-size: clamp(1rem, 1.05vw, 1.1rem);
}

.chapter-lede + .chapter-section { border-top: 0; padding-top: 0; }

.chapter-section strong {
  display: block;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2vw, 1.85rem);
  font-weight: 300;
  letter-spacing: -0.015em;
  line-height: 1.08;
  margin: 0 0 0.85rem;
}

.chapter-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: 1.8rem;
  border: 1px solid var(--ink-12);
  background: var(--ink-12);
}

.dial-scroll-zone {
  position: absolute;
  top: 0;
  right: 0;
  width: clamp(72px, 8vw, 112px);
  height: 100%;
  z-index: 4;
  border-left: 1px solid var(--ink-12);
  cursor: ns-resize;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-40);
}

.dial-scroll-zone::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 1px;
  height: 46svh;
  transform: translate(-50%, -50%);
  background: var(--ink-12);
}

.dial-scroll-zone span {
  position: relative;
  z-index: 1;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  line-height: 1.8;
  text-transform: uppercase;
  background: var(--card);
  padding: 0.8rem 0;
}

.dial-scroll-zone:hover {
  color: var(--loop-accent);
}

.chapter-grid span {
  min-height: 124px;
  padding: 1.1rem;
  background: var(--card);
  border-top: 3px solid var(--loop-accent);
  color: var(--ink-72);
  font-size: 0.86rem;
  line-height: 1.45;
}

.chapter-grid strong {
  display: block;
  color: var(--ink);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.chapter-flow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 0.9rem;
  margin: 1.4rem 0 2.8rem;
}

.chapter-flow span {
  display: inline-flex;
  align-items: center;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.chapter-flow span:not(:last-child)::after {
  content: "\2192";
  margin-left: 0.9rem;
  color: var(--ink-40);
}

.step-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.7rem;
}

.step-actions .btn {
  display: inline-flex;
}

.home-nav-loop .step-actions .btn:not(.ghost) {
  background: var(--loop-accent);
  border-color: var(--loop-accent);
  color: #fff;
}

.home-nav-loop[data-skin="gold"] .step-actions .btn:not(.ghost),
.home-nav-loop[data-skin="sage"] .step-actions .btn:not(.ghost),
.home-nav-loop[data-skin="teal"] .step-actions .btn:not(.ghost) {
  color: var(--ink);
}

.home-nav-loop .step-actions .btn.ghost:hover {
  background: var(--loop-accent);
  border-color: var(--loop-accent);
  color: #fff;
}

.loop-stack .step .btn {
  margin-top: 1.15rem;
}

.chapter-side {
  position: absolute;
  top: 50%;
  right: clamp(6.4rem, 9vw, 8rem);
  width: clamp(270px, 26vw, 420px);
  height: calc(100svh - 10rem);
  min-height: 520px;
  transform: translateY(-50%);
  border-left: 1px solid var(--ink-12);
  padding-left: clamp(1.4rem, 2.4vw, 2.4rem);
  display: flex;
  align-items: center;
}

.chapter-side__inner {
  width: 100%;
}

.chapter-side .kicker {
  color: var(--loop-accent);
  margin-bottom: 1.4rem;
}

.mock-window {
  border: 1px solid var(--ink-12);
  background: var(--paper);
}

.mock-window__bar {
  height: 42px;
  border-bottom: 1px solid var(--ink-12);
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0 1rem;
}

.mock-window__bar span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--loop-accent);
}

.mock-window__body {
  padding: 1.1rem;
}

.mock-row {
  height: 12px;
  margin-bottom: 0.8rem;
  background: var(--ink-12);
}

.mock-row.strong {
  width: 62%;
  background: var(--loop-accent);
}

.mock-row.short {
  width: 46%;
  margin-top: 1rem;
}

.mock-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--ink-12);
  border: 1px solid var(--ink-12);
  margin-top: 1.2rem;
}

.mock-grid i {
  height: 84px;
  background: var(--card);
}

.mock-grid i:first-child {
  border-top: 3px solid var(--loop-accent);
}

.side-note {
  margin-top: 1.2rem;
  color: var(--ink-54);
  font-size: 0.88rem;
  line-height: 1.45;
}

@media (max-width: 760px) {
  .nav-intro {
    min-height: 76svh;
    padding-bottom: 5rem;
  }

  .nav-intro .display {
    max-width: 10.8ch;
  }

  .home-nav-loop .loop-stack {
    padding-top: 3rem;
  }

  .dial-scroll-zone {
    display: none;
  }

  .chapter-side {
    display: none;
  }
}

/* ============================================================
   CLOSES THE LOOP — five questions (monochrome)
   ============================================================ */

.closing-loop { background: var(--bg); }

.five-q {
  list-style: none;
  margin: clamp(2.4rem, 5vw, 3.8rem) 0 0;
  padding: 0;
  border-top: 1px solid var(--ink-12);
}

.five-q li {
  display: flex;
  align-items: baseline;
  gap: clamp(1.4rem, 4vw, 3.2rem);
  padding: clamp(1.1rem, 2.6vw, 1.7rem) 0;
  border-bottom: 1px solid var(--ink-12);
  transition: padding-left 0.4s var(--ease);
}

.five-q li:hover { padding-left: 0.9rem; }

.five-q__n {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--ink-40);
  flex: none;
  width: 2.5rem;
}

.five-q__t {
  font-family: var(--font-display);
  font-weight: 300;
  letter-spacing: 0;
  font-size: clamp(1.5rem, 3.6vw, 2.7rem);
  line-height: 1.04;
  color: var(--ink);
}

/* ============================================================
   CONVERSATION page
   ============================================================ */

/* discreet placeholder for a chat-UI screenshot (drop an <img> inside) */
.shot {
  position: relative;
  border: 1px solid var(--ink-22);
  border-radius: 12px;
  background: var(--paper);
  box-shadow: var(--shadow-soft);
  display: grid;
  place-items: center;
  min-height: 300px;
  padding: 1.5rem;
  overflow: hidden;
}

.shot[data-ratio="window"] { aspect-ratio: 16 / 10; }
.shot[data-ratio="portrait"] { aspect-ratio: 4 / 5; }
.shot[data-ratio="wide"] { aspect-ratio: 24 / 9; width: 100%; }

@media (max-width: 620px) {
  .shot { min-height: 220px; }
  .shot[data-ratio="wide"] { aspect-ratio: 4 / 3; }
}

.shot__label {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-40);
  text-align: center;
}

.shot__label::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: 1px solid var(--ink-40);
  flex: none;
}

.shot > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* the asks — conversation rendered as oversized prompts */
.asks {
  display: grid;
  gap: clamp(0.5rem, 1.3vw, 0.95rem);
  margin: clamp(2.2rem, 4vw, 3.4rem) 0;
}

.ask {
  position: relative;
  padding-left: 1.7rem;
  font-family: var(--font-display);
  font-weight: 300;
  letter-spacing: -0.02em;
  font-size: clamp(1.45rem, 3.2vw, 2.5rem);
  line-height: 1.1;
  color: var(--ink);
  transition: padding-left 0.4s var(--ease), color 0.3s var(--ease);
}

.ask::before {
  content: "\201C";
  position: absolute;
  left: 0;
  top: 0.05em;
  color: var(--ink-22);
  font-size: 1.1em;
  transition: color 0.3s var(--ease);
}

.ask:hover { padding-left: 2.3rem; }
.ask:hover::before { color: var(--ink); }

/* sources — boxless, mono, middot-separated */
.source-line {
  font-family: var(--font-mono);
  font-size: clamp(0.8rem, 1vw, 0.92rem);
  letter-spacing: 0.02em;
  line-height: 2.1;
  color: var(--ink-72);
  margin: clamp(1.6rem, 3vw, 2.4rem) 0;
  max-width: 60ch;
}

.source-line span:not(:last-child)::after {
  content: "·";
  margin: 0 0.6rem;
  color: var(--ink-22);
}

/* "it knows ___" — the emotional core list */
.knows {
  list-style: none;
  margin: clamp(2rem, 4vw, 3rem) 0;
  padding: 0;
  border-top: 1px solid var(--ink);
}

.knows li {
  display: flex;
  align-items: baseline;
  gap: clamp(1rem, 2.5vw, 2rem);
  padding: clamp(1rem, 2.4vw, 1.55rem) 0;
  border-bottom: 1px solid var(--ink-12);
  font-family: var(--font-display);
  font-weight: 300;
  letter-spacing: -0.015em;
  font-size: clamp(1.3rem, 2.7vw, 2.15rem);
  line-height: 1.08;
  color: var(--ink);
  transition: padding-left 0.4s var(--ease);
}

.knows li:hover { padding-left: 0.9rem; }

.knows li::before {
  content: "It knows";
  flex: none;
  width: 4.6rem;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-40);
  transform: translateY(-0.15em);
}

/* ============================================================
   GRADIENT THREAD — the five questions (Monsoon Glow)
   ============================================================ */

.thread-section {
  background: linear-gradient(168deg, #25406e 0%, #3d5ea0 28%, #98afc7 68%, #e9ecef 100%);
  color: #fff;
  padding: clamp(5rem, 11vw, 9rem) 0 clamp(6rem, 12vw, 10rem);
  position: relative;
  overflow: hidden;
}

.thread-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 48% 32%, rgba(255,255,255,0.18), transparent 18rem),
    radial-gradient(circle at 62% 72%, rgba(17,17,17,0.10), transparent 22rem);
  pointer-events: none;
}

.thread-head {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 680px;
  margin: 0 auto clamp(4rem, 8vw, 6.5rem);
  padding: 0 1.5rem;
}

.thread-head .t-label {
  font-size: 0.7rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  opacity: 0.85;
  margin-bottom: 1.6rem;
}

.thread-head .headline { color: #fff; }

.thread {
  position: relative;
  z-index: 1;
  width: min(640px, calc(100% - 3rem));
  margin: 0 auto;
}

.thread::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 14px;
  bottom: 14px;
  width: 1.5px;
  background: rgba(255,255,255,0.75);
  transform: translateX(-50%);
}

.thread .stop {
  position: relative;
  display: flex;
  align-items: center;
  padding: clamp(1.6rem, 4.5vw, 3.2rem) 0;
  opacity: 0.48;
  transform: translateY(12px);
  transition: opacity 0.45s var(--ease), transform 0.45s var(--ease);
}

.thread .stop.in {
  opacity: 1;
  transform: none;
}

.thread .stop .ring {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 26px;
  height: 26px;
  border: 2.5px solid #fff;
  border-radius: 50%;
  background: transparent;
  flex: none;
  transition: background 0.4s var(--ease), transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.thread .stop.in .ring {
  background: rgba(255,255,255,0.25);
  box-shadow: 0 0 0 8px rgba(255,255,255,0.08);
}

.thread .stop .q {
  width: calc(50% - 38px);
  font-size: clamp(1.05rem, 2.4vw, 1.5rem);
  font-weight: 500;
  letter-spacing: 0;
  line-height: 1.3;
}

.thread .stop:nth-child(odd) .q { margin-right: auto; text-align: right; }
.thread .stop:nth-child(even) .q { margin-left: auto; text-align: left; }

.thread .stop .idx {
  position: absolute;
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  opacity: 0.7;
  top: 50%;
  transform: translateY(-50%);
}

.thread .stop:nth-child(odd) .idx { left: calc(50% + 32px); }
.thread .stop:nth-child(even) .idx { right: calc(50% + 32px); }

.thread .stop:nth-child(4) .q,
.thread .stop:nth-child(5) .q { color: #1c2b45; }
.thread .stop:nth-child(4) .idx,
.thread .stop:nth-child(5) .idx { color: #1c2b45; opacity: .6; }
.thread .stop:nth-child(4) .ring,
.thread .stop:nth-child(5) .ring { border-color: #1c2b45; }
.thread .stop:nth-child(4).in .ring,
.thread .stop:nth-child(5).in .ring { background: rgba(28,43,69,0.18); }

.thread-section .thread-coda {
  text-align: center;
  margin-top: clamp(3.5rem, 7vw, 5.5rem);
  color: #1c2b45;
  font-weight: 600;
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  padding: 0 1.5rem;
}

@media (max-width: 620px) {
  .thread::before { left: 13px; }
  .thread .stop { padding-left: 48px; }
  .thread .stop .ring { left: 13px; }
  .thread .stop .q,
  .thread .stop:nth-child(odd) .q,
  .thread .stop:nth-child(even) .q {
    width: 100%; margin: 0; text-align: left;
  }
  .thread .stop .idx,
  .thread .stop:nth-child(odd) .idx,
  .thread .stop:nth-child(even) .idx {
    position: static; transform: none; display: block;
    margin-bottom: 0.2rem;
  }
  .thread .stop { display: block; }
}

/* ============================================================
   DARK band
   ============================================================ */

.dark-band {
  background: var(--slab);
  color: var(--slab-ink);
  padding: clamp(5.5rem, 12vw, 10rem) 0;
}

.dark-band .headline, .dark-band .display { color: var(--slab-ink); }
.dark-band .lede { color: rgba(251,251,249,0.66); }
.dark-band .kicker { --eyebrow-shimmer-color: rgba(251,251,249,0.55); color: var(--eyebrow-shimmer-color); }
.dark-band ::selection { background: var(--slab-ink); color: var(--slab); }

/* ============================================================
   list rows (problems, patterns)
   ============================================================ */

.rows { border-top: 1px solid var(--ink); }

.row-item {
  display: grid;
  grid-template-columns: 5.5rem 1fr;
  gap: clamp(1rem, 3vw, 2.4rem);
  align-items: center;
  padding: clamp(1.3rem, 3vw, 2.1rem) 0;
  border-bottom: 1px solid var(--ink-12);
  transition: padding-left 0.4s var(--ease);
}

.row-item:hover { padding-left: 0.9rem; }

.row-item .ghost-num {
  font-size: clamp(2rem, 3vw, 2.8rem);
  -webkit-text-stroke-width: 1px;
  -webkit-text-stroke-color: var(--ink-22);
  transform: rotate(-8deg);
  transition: color 0.35s var(--ease), -webkit-text-stroke 0.35s var(--ease);
}

.row-item:hover .ghost-num {
  color: var(--ink);
  -webkit-text-stroke-color: transparent;
}

.row-item p {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.3vw, 1.95rem);
  font-weight: 300;
  letter-spacing: -0.015em;
  line-height: 1.18;
}

.dark-band .rows { border-color: rgba(251,251,249,0.18); }
.dark-band .row-item { border-color: rgba(251,251,249,0.18); }
.dark-band .row-item .ghost-num { -webkit-text-stroke-color: rgba(251,251,249,0.3); }

/* ============================================================
   surface tiles (Today, Places, Pulse…)
   ============================================================ */

.tiles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--ink-12);
  border: 1px solid var(--ink-12);
  box-shadow: var(--shadow-card);
  counter-reset: tile;
}

.tile {
  background: var(--card);
  padding: clamp(1.6rem, 2.8vw, 2.4rem);
  min-height: clamp(190px, 22vw, 240px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.6rem;
  position: relative;
  counter-increment: tile;
  transition: background .3s var(--ease);
}

.tile::before {
  content: counter(tile, decimal-leading-zero);
  position: absolute;
  top: clamp(1.2rem, 2.4vw, 2rem);
  right: clamp(1.2rem, 2.4vw, 2rem);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  color: var(--ink-22);
  transition: color 0.3s var(--ease);
}

.tile:hover { background: var(--paper); }
.tile:hover::before { color: var(--ink); }

.tile h3 {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.1vw, 1.85rem);
  font-weight: 300;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  max-width: 90%;
}

.tile p { font-size: 0.95rem; color: var(--ink-54); line-height: 1.5; }

.tiles.cols-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 900px) { .tiles, .tiles.cols-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .tiles, .tiles.cols-4 { grid-template-columns: 1fr; } }

/* ============================================================
   chain (signal → problem → plan → execution → result)
   ============================================================ */

.chain {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0;
  margin: 2.5rem 0;
  isolation: isolate;
}

.chain .node {
  display: flex;
  align-items: center;
}

.chain .node .pill {
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  border: 1px solid var(--ink);
  padding: 0.7rem 1.1rem;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--card);
  transition:
    transform 0.24s var(--ease),
    background 0.24s var(--ease),
    color 0.24s var(--ease);
}

.chain .node .pill .sq { --signal-size: 7px; }

.chain .node:hover .pill {
  transform: translateY(-3px);
  background: var(--ink);
  color: var(--card);
}

.chain .link {
  width: clamp(1.2rem, 3vw, 2.6rem);
  height: 1px;
  background: var(--ink-40);
  position: relative;
  overflow: visible;
}

.chain .link::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.5s var(--ease);
}

.chain:hover .link::before { transform: scaleX(1); }

.chain .link::after {
  content: "";
  position: absolute;
  right: 0; top: -2.5px;
  border-left: 5px solid var(--ink-40);
  border-top: 3px solid transparent;
  border-bottom: 3px solid transparent;
}

@media (max-width: 760px) {
  .chain { flex-direction: column; align-items: flex-start; gap: 0; }
  .chain .link {
    width: 1px; height: 1.4rem; margin-left: 1.4rem;
  }
  .chain .link::after {
    right: -2.5px; top: auto; bottom: 0;
    border-left: 3px solid transparent;
    border-right: 3px solid transparent;
    border-top: 5px solid var(--ink-40);
  }
}

/* ============================================================
   DIAL — the 7-move loop (WOVE)
   ============================================================ */

.loop-wrap { position: relative; background: var(--card); }

.loop-stage {
  position: sticky;
  top: 0;
  height: 100svh;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.dial-circle {
  position: absolute;
  top: 50%;
  left: 0;
  width: 160svh;
  height: 160svh;
  transform: translate(-62%, -50%);
  border: 1px solid var(--ink-12);
  border-radius: 50%;
}

.dial-ring {
  position: absolute;
  inset: 0;
  transition: transform 0.9s var(--ease);
}

.dial-ring .dnum {
  position: absolute;
  top: 50%;
  left: 50%;
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 7svh, 4.6rem);
  font-weight: 300;
  font-style: normal;
  letter-spacing: 0;
  color: transparent;
  -webkit-text-stroke: 1.4px var(--ink-22);
  transition: color 0.5s var(--ease), -webkit-text-stroke 0.5s var(--ease);
}

.dial-ring .dnum.active { color: var(--ink); -webkit-text-stroke: 1.4px transparent; }

.dial-dot {
  position: absolute;
  top: 50%;
  right: -4.5px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink);
  transform: translateY(-50%);
}

.dial-content {
  position: relative;
  z-index: 2;
  margin-left: clamp(4.5rem, 66svh, 62vw);
  padding: 0 clamp(1.5rem, 4vw, 4rem);
  max-width: 620px;
}

.dial-content .big-num {
  font-family: var(--font-display);
  font-size: clamp(4.5rem, 13svh, 8.5rem);
  font-weight: 300;
  font-style: normal;
  letter-spacing: 0;
  line-height: 0.9;
}

.dial-content .step-title {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.6vw, 1.9rem);
  font-weight: 300;
  font-style: normal;
  letter-spacing: 0;
  margin-top: 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.dial-content .step-body {
  margin-top: 1.1rem;
  color: var(--ink-72);
  font-size: clamp(0.95rem, 1.4vw, 1.1rem);
  max-width: 50ch;
}

.dial-content .step-body strong { color: var(--ink); }

.dial-fader { transition: opacity 0.35s ease, transform 0.45s var(--ease); }
.dial-fader.fading { opacity: 0; transform: translateY(14px); }

.loop-track .panel { height: 100svh; }
.loop-track .panel:first-child { height: 1px; }

.loop-progress {
  position: absolute;
  right: clamp(1rem, 3vw, 2.4rem);
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 3;
}

.loop-progress i {
  width: 6px; height: 6px;
  background: var(--ink-22);
  transition: background .3s, transform .3s;
}

.loop-progress i.on { background: var(--ink); transform: scale(1.35); }

/* mobile fallback: plain stacked steps */
.loop-stack { display: none; }

@media (max-width: 760px), (max-height: 540px) {
  .loop-wrap .loop-stage, .loop-wrap .loop-track { display: none; }
  .loop-stack { display: block; padding: 4.5rem 0; }
  .loop-stack .step {
    padding: 2.6rem 0;
    border-bottom: 1px solid var(--ink-12);
  }
  .loop-stack .step .ghost-num { font-size: 3.4rem; margin-bottom: 0.8rem; }
  .loop-stack .step h3 {
    font-family: var(--font-display); font-size: 1.4rem; font-weight: 300; font-style: normal; letter-spacing: 0;
    display: flex; align-items: center; gap: 0.7rem;
    margin-bottom: 0.7rem;
  }
  .loop-stack .step p { color: var(--ink-72); font-size: 1rem; }
}

/* ============================================================
   culture code principles
   ============================================================ */

.principle {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  padding: clamp(3rem, 6vw, 5rem) 0;
  border-bottom: 1px solid var(--ink-12);
  align-items: start;
}

.principle:first-child { border-top: 1px solid var(--ink); }

.principle .p-head .ghost-num {
  font-size: clamp(3.4rem, 8vw, 6rem);
  -webkit-text-stroke-width: 1px;
}

@media (min-width: 821px) {
  .principle .p-head {
    position: sticky;
    top: 7.2rem;
  }
}

.principle .p-head h3 {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.6vw, 1.9rem);
  font-weight: 300;
  font-style: normal;
  letter-spacing: 0;
  margin-top: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.principle .p-body p { color: var(--ink-72); margin-bottom: 1rem; }
.principle .p-body p strong { color: var(--ink); font-weight: 600; }
.principle .p-body p:last-child { margin-bottom: 0; }

@media (max-width: 720px) {
  .principle { grid-template-columns: 1fr; gap: 1.2rem; }
}

/* ============================================================
   big statement
   ============================================================ */

.statement {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 4.2vw, 3.4rem);
  line-height: 1.04;
  font-weight: 300;
  font-style: normal;
  letter-spacing: -0.02em;
  max-width: 24ch;
}

.statement .dim { color: var(--ink-22); }
.dark-band .statement .dim { color: rgba(251,251,249,0.28); }

/* ============================================================
   contact / footer
   ============================================================ */

.cards-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

@media (max-width: 900px) { .cards-3 { grid-template-columns: 1fr; } }

.contact-card {
  border: 1px solid var(--ink-12);
  padding: clamp(1.6rem, 3vw, 2.6rem);
  background: var(--card);
  box-shadow: var(--shadow-soft);
}

.contact-card .kicker { margin-bottom: 1.2rem; }

.contact-card a.big-link {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.4vw, 1.7rem);
  font-weight: 300;
  font-style: normal;
  letter-spacing: 0;
  border-bottom: 2px solid var(--ink);
  transition: opacity .25s;
}

.contact-card a.big-link:hover { opacity: 0.55; }

.site-foot {
  background: var(--slab);
  color: var(--slab-ink);
  padding: clamp(4.5rem, 9vw, 7.5rem) 0 2.5rem;
}

.site-foot .statement { color: var(--slab-ink); }

.foot-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(2rem, 7vw, 7rem);
}

.footer-grape {
  appearance: none;
  width: clamp(7rem, 14vw, 10.5rem);
  aspect-ratio: 1 / 1;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--slab-ink);
  cursor: crosshair;
  padding: 0;
  display: grid;
  place-items: center;
  touch-action: none;
}

.footer-grape:focus-visible {
  outline: 1px solid rgba(251,251,249,0.45);
  outline-offset: 0.5rem;
}

.footer-grape__mark {
  width: 100%;
  height: 100%;
  overflow: visible;
  color: currentColor;
  --dot: currentColor;
}

.foot-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-top: clamp(3rem, 6vw, 5rem);
  padding-top: 2.5rem;
  border-top: 1px solid rgba(251,251,249,0.18);
}

.foot-grid h4 {
  font-size: 0.68rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: rgba(251,251,249,0.5);
  margin-bottom: 1rem;
  font-weight: 600;
}

.foot-grid a, .foot-grid p {
  display: block;
  font-size: 0.95rem;
  color: rgba(251,251,249,0.82);
  margin-bottom: 0.5rem;
  width: fit-content;
}

.foot-grid a:hover { color: #fff; border-bottom: 1px solid #fff; }

.foot-base {
  margin-top: 3.5rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(251,251,249,0.4);
}

@media (max-width: 720px) {
  .foot-head {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-grape {
    width: clamp(6.5rem, 34vw, 8.5rem);
    justify-self: end;
  }

  .foot-grid { grid-template-columns: 1fr; gap: 2rem; }
}

/* ============================================================
   page hero (inner pages)
   ============================================================ */

.page-hero {
  padding: clamp(8.5rem, 16vh, 12rem) 0 clamp(3.5rem, 7vw, 6rem);
  position: relative;
  overflow: hidden;
  background: var(--bg);
}

.page-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: var(--ink);
  opacity: 0.16;
}

/* editorial masthead bar */
.page-masthead {
  display: flex;
  align-items: center;
  gap: clamp(0.9rem, 2vw, 1.6rem);
  padding-bottom: clamp(2.4rem, 5vw, 4rem);
  margin-bottom: clamp(2.4rem, 5vw, 4rem);
  border-bottom: 1px solid var(--ink-12);
}

.page-masthead__idx {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  line-height: 0.9;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.page-masthead__tag {
  --eyebrow-shimmer-color: var(--ink-54);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--eyebrow-shimmer-color);
}

.page-masthead__rule {
  flex: 1;
  height: 1px;
  background: var(--ink-12);
}

.page-masthead__grape {
  width: 26px;
  height: 32px;
  overflow: visible;
  color: var(--ink);
  flex: none;
}

.page-hero .kicker { margin-bottom: 1.8rem; }
.page-hero .display { max-width: 15ch; }
.page-hero .lede { max-width: 54ch; margin-top: 1.8rem; }

.page-hero .hero-ghost {
  position: absolute;
  right: clamp(-3rem, -2vw, -1rem);
  bottom: clamp(-2rem, -1vw, 1rem);
  font-family: var(--font-display);
  font-size: clamp(11rem, 30vw, 26rem);
  font-weight: 200;
  font-style: normal;
  color: transparent;
  -webkit-text-stroke: 1px var(--ink-12);
  letter-spacing: -0.04em;
  pointer-events: none;
  user-select: none;
  line-height: 0.8;
  z-index: 0;
}

.page-hero .wrap { position: relative; z-index: 1; }

/* prose blocks */
.prose p { margin-bottom: 1.2rem; color: var(--ink-72); }
.prose p strong { color: var(--ink); font-weight: 600; }
.prose p.em {
  color: var(--ink);
  font-weight: 600;
  font-size: 1.15em;
  letter-spacing: 0;
}

/* ============================================================
   LIVE PILOT-SHELL DEMO EMBED — the real product in showcase mode
   (iframed from the deployed shell; scoped so it can't collide)
   ============================================================ */
.sandr-demo-section { background: var(--bg); }

.sandr-demo {
  margin: clamp(1.8rem, 4vw, 3rem) auto 0;
  max-width: 380px;
}

.sandr-demo__cap {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.4rem 1rem;
  margin-bottom: 1.1rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-54);
}

.sandr-demo__cap a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--ink-22);
  transition: border-color 0.3s var(--ease);
  white-space: nowrap;
}

.sandr-demo__cap a:hover { border-color: var(--ink); }

/* ---- liquid-glass demo frame: frosted window around the live shell ---- */
.sandr-glass {
  /* device truth — keeps text proportions right; resize via --scale only */
  --screen-w: 390px;
  --screen-h: 844px;
  --scale: 0.8;          /* on-page size — tweak freely */
  --bar-h: 38px;
  position: relative;
  margin: 0 auto;
  width: calc(var(--screen-w) * var(--scale));
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .55);
  background: rgba(255, 255, 255, .45);
  -webkit-backdrop-filter: blur(22px) saturate(150%);
  backdrop-filter: blur(22px) saturate(150%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .7),
    0 26px 60px -22px rgba(24, 24, 34, .40),
    0 8px 22px -12px rgba(24, 24, 34, .22);
}

.sandr-glass__bar {
  height: var(--bar-h);
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 14px;
  background: rgba(255, 255, 255, .30);
  border-bottom: 1px solid rgba(255, 255, 255, .45);
}

.sandr-glass__dots { display: inline-flex; gap: 6px; }
.sandr-glass__dots i { width: 10px; height: 10px; border-radius: 50%; background: rgba(24, 24, 34, .16); }

.sandr-glass__label {
  font: 600 13px/1 -apple-system, "Inter", sans-serif;
  color: rgba(24, 24, 34, .5);
  letter-spacing: .05em;
}

.sandr-glass__screen {
  position: relative;
  overflow: hidden;
  background: #f6f4ee;
  width: calc(var(--screen-w) * var(--scale));
  height: calc(var(--screen-h) * var(--scale));
}

/* render the iframe at a real mobile viewport, then scale the whole screen
   down — so the app shows its true mobile layout instead of a squished one. */
.sandr-glass__screen iframe {
  width: var(--screen-w);
  height: var(--screen-h);
  border: 0;
  display: block;
  transform: scale(var(--scale));
  transform-origin: top left;
}

@media (max-width: 600px) {
  .sandr-glass { --scale: 0.66; }
  .sandr-demo__cap { font-size: 0.62rem; letter-spacing: 0.1em; }
}