/* ============================================================
   StutterStep — landing page (v4)
   Zigzag bands: alternating orange/white full-bleed sections
   with opposite-corner radii, stepping down a #ECEDE9 page.
   Ported from the approved "StutterStep v2" design comp.
   Transform/opacity animations only (GPU composited).
   ============================================================ */

:root {
  /* ink */
  --ink: #22252A;
  --ink-soft: #5A6068;
  --ink-faint: #666C74;
  --line: rgba(34, 37, 42, .1);
  --line-soft: rgba(34, 37, 42, .08);
  --line-strong: rgba(34, 37, 42, .14);

  /* accent */
  --accent: #C24B1E;
  --accent-deep: #9A3412;
  --accent-light: #E07A4E;
  --accent-tint: #F8EEE7;
  --accent-highlight: #FBDFCF;

  /* on-accent */
  /* Text on the orange band. The design comp specified #FFF1E8 / #FFE3D2 /
     #FFD9C2, which land at 4.4 / 3.98 / 3.69 against #C24B1E and so miss
     WCAG AA for normal-size text. The band colour is the brand, so it stays
     exactly #C24B1E and these lift to the 4.5 floor instead. */
  --on-accent: #FFF6F0;
  --on-accent-strong: #FFFDF7;
  --on-accent-body: #FFF6F0;
  --on-accent-muted: #FFF6F0;
  --on-accent-line: rgba(255, 246, 240, .22);
  --on-accent-fill: rgba(255, 255, 255, .1);

  /* surfaces */
  --page: #ECEDE9;
  --hero-bg: #F2F3F1;
  --band-white: #FFFFFF;
  --card-on-accent: #FFFDF9;
  --dark: #22252A;
  --dark-deep: #1A1C20;
  --dark-body: #A9ACA6;
  --dark-ink: #F4F3EF;

  /* geometry */
  --band-radius: clamp(30px, 5vw, 76px);
  --band-pad-y: clamp(44px, 7vw, 116px);
  --band-pad-x: clamp(20px, 5vw, 72px);
  --shell: 1180px;
  --radius-card: 20px;
  --radius-card-sm: 16px;
  --radius-control: 12px;

  --ease-snap: cubic-bezier(.22, 1, .36, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Hanken Grotesk', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--page);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--accent-highlight); }

a { color: var(--accent-deep); }
a:hover { color: var(--accent); }

h1, h2, h3 { letter-spacing: -.03em; line-height: 1.06; font-weight: 800; }

.serif { font-family: 'Newsreader', Georgia, serif; }

/* every number on the page lines up */
body { font-variant-numeric: tabular-nums; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 6px;
}

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 90;
  background: var(--ink);
  color: var(--hero-bg);
  padding: 10px 18px;
  border-radius: 0 0 10px 0;
  text-decoration: none;
  font-weight: 600;
}
.skip-link:focus { left: 0; color: var(--hero-bg); }

/* ============ HEADER ============ */
.nav {
  position: sticky;
  top: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 15px clamp(18px, 4vw, 52px);
  /* notched phones: keep the bar clear of the status area and the rounded corners */
  padding-top: calc(15px + env(safe-area-inset-top));
  padding-left: max(clamp(18px, 4vw, 52px), env(safe-area-inset-left));
  padding-right: max(clamp(18px, 4vw, 52px), env(safe-area-inset-right));
  background: var(--hero-bg);
  border-bottom: 1px solid transparent;
  transition: background .4s ease, border-color .4s ease, backdrop-filter .4s ease;
}
.nav.is-stuck {
  background: rgba(242, 243, 241, .88);
  border-bottom-color: var(--line);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  backdrop-filter: saturate(180%) blur(14px);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -.02em;
}
.nav-logo:hover { color: var(--ink); }
.nav-logo em { font-style: normal; color: var(--accent); }

/* the three-bar wordmark */
.nav-mark { display: inline-flex; align-items: flex-end; gap: 2px; height: 22px; }
.nav-mark i { width: 5px; border-radius: 1.5px; background: var(--accent); }
.nav-mark i:nth-child(1) { height: 9px; background: var(--accent-deep); }
.nav-mark i:nth-child(2) { height: 15px; }
.nav-mark i:nth-child(3) { height: 22px; }

.nav-links {
  display: flex;
  gap: 24px;
  margin-left: auto;
  align-items: center;
}
.nav-links a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: .93rem;
  font-weight: 500;
  transition: color .2s;
}
.nav-links a:hover { color: var(--accent); }

/* Sign in and Book a call travel together and stay visible at every width */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: 20px;
}

/* Sign in wears the same grey outline as the hero's "See it in action",
   so it reads as an action rather than another section link */
.nav-signin {
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
  font-size: .92rem;
  padding: 8px 18px;
  border-radius: 10px;
  border: 1.5px solid rgba(34, 37, 42, .16);
  white-space: nowrap;
  transition: border-color .2s, color .2s;
}
.nav-signin:hover { border-color: var(--accent); color: var(--accent); }

.nav-cta {
  background: var(--accent);
  color: #FFF6F0;
  text-decoration: none;
  font-weight: 600;
  font-size: .92rem;
  padding: 9px 20px;
  border-radius: 10px;
  white-space: nowrap;
  box-shadow: 0 1px 2px rgba(154, 52, 18, .25);
  transition: background .2s;
}
.nav-cta:hover { background: var(--accent-deep); color: #FFF6F0; }

/* ============ BUTTONS ============ */
.btn {
  display: inline-block;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  padding: 13px 26px;
  border-radius: var(--radius-control);
  transition: background .2s, border-color .2s, color .2s;
}
.btn-accent {
  background: var(--accent);
  color: #FFF6F0;
  box-shadow: 0 2px 8px rgba(154, 52, 18, .22);
}
.btn-accent:hover { background: var(--accent-deep); color: #FFF6F0; }

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid rgba(34, 37, 42, .16);
  padding: 13px 24px;
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* on an orange band the polarity flips */
.btn-on-accent {
  background: var(--card-on-accent);
  color: var(--accent-deep);
  box-shadow: 0 2px 10px rgba(90, 30, 8, .18);
}
.btn-on-accent:hover { background: #FFFFFF; color: var(--accent-deep); }

.btn-ghost-on-accent {
  background: transparent;
  color: var(--on-accent-strong);
  border: 1.5px solid var(--on-accent-line);
  padding: 13px 24px;
}
.btn-ghost-on-accent:hover {
  border-color: var(--on-accent-strong);
  background: rgba(255, 246, 240, .1);
  color: var(--on-accent-strong);
}

.btn-sm { font-size: .95rem; padding: 12px 22px; }
.btn-sm.btn-ghost { padding: 12px 20px; }
.btn-sm.btn-ghost-on-accent { padding: 12px 20px; }

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 30px);
}

/* ============ ZIGZAG BANDS ============ */
.band {
  padding: var(--band-pad-y) var(--band-pad-x);
  scroll-margin-top: 78px;
}
/* orange, rounded on the LEFT */
.band-l {
  background: var(--accent);
  color: var(--on-accent);
  border-radius: var(--band-radius) 0 0 var(--band-radius);
}
/* white, rounded on the RIGHT */
.band-r {
  background: var(--band-white);
  border-radius: 0 var(--band-radius) var(--band-radius) 0;
}
.band-inner { width: min(var(--shell), 100%); margin: 0 auto; }

/* ---- shared band typography ---- */
.eyebrow {
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--accent-deep);
  margin-bottom: 16px;
}
.band-l .eyebrow { color: var(--on-accent-strong); }

.band-title {
  font-size: clamp(1.62rem, 5.4vw, 3.3rem);
  max-width: 20ch;
}
.band-title.is-narrow { max-width: 18ch; }
.band-title.is-tight { max-width: 16ch; }

.band-lede {
  font-size: clamp(.95rem, 2.4vw, 1.18rem);
  color: var(--ink-soft);
  max-width: 46em;
  margin-top: 18px;
  text-wrap: pretty;
}
.band-l .band-lede { color: var(--on-accent-body); }
.band-lede + .band-lede { margin-top: 14px; }

/* ---- shared layout helpers ---- */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(11px, 1.8vw, 22px);
  margin-top: clamp(22px, 3.4vw, 52px);
}
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(14px, 2vw, 20px);
  margin-top: clamp(22px, 3.4vw, 52px);
}
.split {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: clamp(24px, 4.4vw, 64px);
  align-items: center;
  width: min(var(--shell), 100%);
  margin: 0 auto;
}
.split-even { grid-template-columns: 1fr 1fr; }
.split-flip { grid-template-columns: .95fr 1.05fr; }
.split-top { align-items: start; }

.stack { display: flex; flex-direction: column; gap: 14px; }

/* ---- scroll reveal ---- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .8s ease, transform .8s var(--ease-snap);
}
.reveal.is-in { opacity: 1; transform: none; }
/* without JS the content must still be visible */
.no-js .reveal { opacity: 1; transform: none; }

/* ============ HERO ============ */
/* Full-bleed, like every band below it: the background, dot grid and waveform
   must reach both screen edges. Only the copy is held to the shell width, so
   it still lines up with the band content underneath. */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(48px, 7vw, 92px) clamp(20px, 5vw, 72px) clamp(64px, 9vw, 120px);
  overflow: hidden;
  background: var(--hero-bg);
}
.hero-inner {
  position: relative;
  z-index: 2;
  width: min(var(--shell), 100%);
  margin-inline: auto;
  animation: ss-fadeup .9s var(--ease-snap) both;
}
.hero-eyebrow {
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent-deep);
  margin-bottom: 26px;
}
.hero-title {
  font-size: clamp(2.4rem, 7.4vw, 6.2rem);
  letter-spacing: -.04em;
  line-height: 1;
}
.hero-title em {
  font-family: 'Newsreader', Georgia, serif;
  font-style: italic;
  font-weight: 500;
  color: var(--accent);
}
.hero-lede {
  font-size: clamp(.97rem, 2.4vw, 1.22rem);
  color: var(--ink-soft);
  max-width: 30em;
  margin-top: 24px;
  text-wrap: pretty;
}
.hero .actions { margin-top: 36px; }

/* dot grid over the top of the hero */
.hero-dots {
  position: absolute;
  inset: 0 0 auto 0;
  height: min(62%, 540px);
  z-index: 0;
  pointer-events: none;
  opacity: .42;
  background-image: radial-gradient(rgba(194, 75, 30, .5) 1px, transparent 1.4px);
  background-size: 20px 20px;
  -webkit-mask-image: linear-gradient(#000 10%, transparent);
  mask-image: linear-gradient(#000 10%, transparent);
}

/* full-bleed animated waveform behind the hero copy */
.wavewrap {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
}
.waverow {
  position: absolute;
  inset: -10% 0;
  display: flex;
  align-items: center;
  gap: clamp(2px, .55vw, 7px);
  padding: 0 clamp(10px, 2.5vw, 40px);
  animation: ss-bob 12s ease-in-out infinite;
  will-change: transform;
}
.waverow i {
  flex: 1;
  /* the radius tracks the bar width so thin bars stay bars, not lozenges */
  border-radius: min(4px, 40%);
  transform-origin: center;
  animation: ss-wavebig 4.6s ease-in-out infinite;
  will-change: transform;
}
.herofade {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(100deg,
    rgba(242, 243, 241, .94) 0%,
    rgba(242, 243, 241, .82) 26%,
    rgba(242, 243, 241, .45) 48%,
    rgba(242, 243, 241, 0) 70%);
}

/* ============ CARDS ON AN ORANGE BAND ============ */
.card-on-accent {
  background: var(--on-accent-fill);
  border: 1px solid var(--on-accent-line);
  border-radius: 18px;
  padding: clamp(16px, 3.6vw, 22px) clamp(15px, 3.2vw, 20px);
}
.card-on-accent h3 { font-size: 1.08rem; margin: 12px 0 6px; }
.card-on-accent p { font-size: .93rem; color: var(--on-accent-body); }

/* the light card that sits on orange */
.card-light {
  background: var(--card-on-accent);
  color: var(--ink);
  border-radius: var(--radius-card);
  padding: clamp(17px, 3.8vw, 24px) clamp(15px, 3.4vw, 22px);
}
.card-light p { color: var(--ink-soft); font-size: .92rem; margin-top: 10px; }

/* full-width note strip on an orange band */
.note-on-accent {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  background: var(--on-accent-fill);
  border: 1px solid var(--on-accent-line);
  border-radius: var(--radius-card-sm);
  padding: 16px 20px;
  margin-top: clamp(18px, 2.4vw, 26px);
}
.note-on-accent svg { flex: none; }
.note-on-accent p { font-size: .98rem; color: var(--on-accent-body); flex: 1; min-width: 16em; }

/* ============ FEATURES STRIP ============ */
.features { padding: clamp(44px, 5.5vw, 70px) 0 clamp(48px, 6vw, 76px); }
.features-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  width: min(var(--shell), 100%);
  margin: 0 auto clamp(20px, 2.5vw, 30px);
  padding: 0 clamp(22px, 5vw, 72px);
}
.features-head h2 {
  font-size: clamp(1.32rem, 4.4vw, 2.1rem);
  letter-spacing: -.02em;
  line-height: 1.1;
}
.features-head .eyebrow { margin-bottom: 10px; }
.features-hint { font-size: .82rem; color: var(--ink-faint); white-space: nowrap; }

.marq {
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  cursor: grab;
  touch-action: pan-y;
  padding: 4px 0 18px;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 3%, #000 97%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 3%, #000 97%, transparent);
}
.marq::-webkit-scrollbar { display: none; }
.marq.is-dragging { cursor: grabbing; }
.marq.is-dragging * { user-select: none; }

.marq-track {
  display: flex;
  gap: 14px;
  width: max-content;
  padding-left: 14px;
}

.feat-card {
  flex: none;
  width: 262px;
  background: var(--band-white);
  border: 1px solid var(--line);
  border-radius: var(--radius-card-sm);
  padding: 20px 18px;
  box-shadow: 0 1px 2px rgba(34, 37, 42, .05);
}
.feat-card h3 { font-size: 1rem; letter-spacing: -.01em; margin-bottom: 6px; }
.feat-card p { font-size: .86rem; color: var(--ink-soft); }
.feat-ico {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 11px;
  background: var(--accent-tint);
  color: var(--accent);
  margin-bottom: 12px;
}
/* the fluency model leads the strip as a filled card */
.feat-card--hero {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 14px 30px -18px rgba(194, 75, 30, .85);
}
.feat-card--hero h3 { color: var(--on-accent-strong); }
.feat-card--hero p { color: var(--on-accent-body); }
.feat-card--hero .feat-ico { background: rgba(255, 246, 240, .18); color: #FFF6F0; }
/* and "more models coming" closes each cycle */
.feat-card--soon {
  background: #FBF7F3;
  border: 1.5px dashed rgba(194, 75, 30, .35);
  box-shadow: none;
}

/* ============ WORKBENCH MOCK ============ */
.wb {
  margin-top: clamp(20px, 3.4vw, 46px);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: 0 1px 2px rgba(34, 37, 42, .05), 0 30px 60px -40px rgba(34, 37, 42, .4);
}
.wb-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #FCFCFB;
  border-bottom: 1px solid var(--line-soft);
  padding: 10px 14px;
}
.wb-play {
  display: grid;
  place-items: center;
  width: 30px;
  height: 26px;
  border-radius: 8px;
  background: var(--ink);
  color: var(--hero-bg);
}
.wb-time { font-size: .84rem; font-weight: 700; }
.wb-sep { width: 1px; height: 18px; background: rgba(34, 37, 42, .12); }
.wb-meta { font-size: .78rem; color: var(--ink-soft); }
.wb-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
  font-size: .76rem;
  font-weight: 700;
  color: var(--accent-deep);
}
.wb-status i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  animation: ss-pulse 1.6s ease infinite;
}

.wb-stage {
  position: relative;
  height: clamp(190px, 24vw, 250px);
  background: #FAFAF8;
  overflow: hidden;
}
/* full-stage layer holding the event blocks and the tag chips */
.wb-layer { position: absolute; inset: 0; }

/* translucent block behind each disfluency event */
.wb-event {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--at);
  width: var(--w);
  background: rgba(194, 75, 30, .12);
  border-radius: 6px;
}
.wb-row {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 38px 14px;
}
.wb-row i { flex: 1; border-radius: min(1.5px, 40%); height: var(--h); background: var(--c); }
/* the tagged row is wiped in left to right by the playhead */
.wb-row--tagged { animation: ss-scan 9s cubic-bezier(.4, 0, .6, 1) infinite; }
.wb-tag {
  position: absolute;
  top: 10px;
  left: var(--mid);
  font-size: .66rem;
  font-weight: 700;
  color: var(--accent-deep);
  background: var(--accent-tint);
  border-radius: 5px;
  padding: 2px 7px;
  white-space: nowrap;
  opacity: 0;
  transform: translate(-50%, 0);
  animation: ss-tagin 9s linear infinite;
  animation-delay: var(--delay);
}
.wb-playhead {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--ink);
  animation: ss-head 9s cubic-bezier(.4, 0, .6, 1) infinite;
}

.wb-codes {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  border-top: 1px solid var(--line-soft);
  padding: 11px 14px;
  background: var(--band-white);
}
.wb-codes-label {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-right: 2px;
}
.code-pill {
  font-size: .78rem;
  font-weight: 700;
  color: var(--ink-soft);
  background: var(--hero-bg);
  border: 1px solid rgba(34, 37, 42, .12);
  border-radius: 999px;
  padding: 4px 12px;
  white-space: nowrap;
  cursor: help;
}
/* the four stuttering-like codes read as accent */
.code-pill--sld {
  color: var(--accent-deep);
  background: var(--accent-tint);
  border-color: rgba(194, 75, 30, .28);
}

/* three supporting points under the mock */
.mini-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(11px, 1.8vw, 22px);
  margin-top: clamp(24px, 3vw, 34px);
}
.mini-3 h3 { font-size: 1.02rem; margin: 9px 0 5px; }
.mini-3 p { font-size: .92rem; color: var(--ink-soft); }

/* ============ INDIVIDUAL + PHONE ============ */
.checklist {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 26px;
}
.checklist li { display: flex; gap: 12px; align-items: flex-start; }
.checklist svg { flex: none; margin-top: 3px; }
.checklist span { font-size: .98rem; color: var(--on-accent-body); }
.checklist strong { color: var(--on-accent-strong); }

.phone {
  justify-self: center;
  width: min(272px, 80%);
  background: var(--dark-deep);
  border-radius: 34px;
  padding: 12px;
  box-shadow: 0 30px 60px -26px rgba(26, 28, 32, .7);
}
.phone-screen {
  background: var(--hero-bg);
  border-radius: 26px;
  padding: 26px 18px 20px;
  color: var(--ink);
}
.phone-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}
.phone-day { font-size: .72rem; color: var(--ink-faint); }
.phone-greet { font-family: 'Newsreader', Georgia, serif; font-size: 1.3rem; line-height: 1.2; }
.phone-rec {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  flex: none;
  border-radius: 17px;
  background: var(--accent);
  color: #FFF6F0;
  box-shadow: 0 10px 22px -8px rgba(194, 75, 30, .8);
}
.phone-task {
  background: var(--ink);
  color: var(--hero-bg);
  border-radius: var(--radius-card-sm);
  padding: 13px 15px;
  margin-top: 16px;
}
.phone-task-label {
  font-size: .62rem;
  font-weight: 700;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--accent-highlight);
}
.phone-task-body { font-family: 'Newsreader', Georgia, serif; font-size: 1.02rem; margin-top: 4px; }
.phone-wave {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  height: 52px;
  margin-top: 16px;
}
.phone-wave i {
  flex: 1;
  height: var(--h);
  background: var(--c);
  border-radius: 2px;
  transform-origin: bottom;
  animation: ss-wavebig 2.4s ease-in-out infinite;
}
.phone-stats {
  display: flex;
  justify-content: space-between;
  margin-top: 14px;
  font-size: .72rem;
  color: var(--ink-faint);
}
.phone-stats b { font-weight: 700; color: var(--accent); }

/* ============ API ============ */
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.tag {
  font-size: .82rem;
  font-weight: 600;
  color: var(--ink-soft);
  background: #F6F4F1;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 13px;
}
.code {
  background: var(--dark-deep);
  color: #E8E6DF;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .8rem;
  line-height: 1.7;
  border-radius: 18px;
  padding: 22px 24px;
  overflow-x: auto;
  box-shadow: 0 24px 50px -30px rgba(26, 28, 32, .7);
}
.code .k { color: var(--accent-light); }
.code .p { color: #9CB7C9; }
.code .c { color: #8E8C84; }

/* ============ MODEL ============ */
.step-card {
  background: var(--card-on-accent);
  color: var(--ink);
  border-radius: var(--radius-card);
  padding: clamp(18px, 4vw, 26px) clamp(16px, 3.6vw, 24px);
}
.step-card h3 { font-size: 1.2rem; margin: 14px 0 8px; letter-spacing: -.01em; }
.step-card p { font-size: .94rem; color: var(--ink-soft); }
.step-num {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--accent-tint);
  color: var(--accent-deep);
  font-weight: 800;
  font-size: .92rem;
}
.step-card--dark { background: var(--dark); color: var(--dark-ink); }
.step-card--dark p { color: var(--dark-body); }
.step-card--dark .step-num { background: rgba(255, 255, 255, .12); color: var(--accent-light); }

/* ============ RESEARCH ============ */
.placeholder-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex: 1;
  min-height: 230px;
  border: 1.5px dashed rgba(34, 37, 42, .16);
  border-radius: 18px;
  background: #FAF9F6;
  text-align: center;
  padding: 28px;
}
.placeholder-card p:first-of-type { font-weight: 800; }
.placeholder-card p { font-size: .9rem; color: var(--ink-soft); max-width: 26em; }
.pill-planned {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--accent-deep);
  background: var(--accent-tint);
  border-radius: 999px;
  padding: 5px 13px;
}
.intend-card {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: clamp(15px, 3.4vw, 20px) clamp(15px, 3.4vw, 22px);
}
.intend-card h3 { font-size: 1rem; margin-bottom: 10px; }
.intend-list { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.intend-list li {
  font-size: .92rem;
  color: var(--ink-soft);
  padding-left: 20px;
  position: relative;
}
.intend-list li::before {
  content: "\203A";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 800;
}

/* ============ PRIVACY ============ */
.path-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.path-head h3 { font-size: 1.12rem; }
.path-badge {
  font-size: .66rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--accent-deep);
  border: 1.5px solid rgba(194, 75, 30, .45);
  border-radius: 999px;
  padding: 2px 9px;
  white-space: nowrap;
}
.path-badge--fill {
  color: #FFF6F0;
  background: var(--accent);
  border-color: var(--accent);
  padding: 3px 10px;
}
.badge-row { display: flex; gap: 22px; flex-wrap: wrap; margin-top: clamp(20px, 2.6vw, 30px); }
.badge-row span {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: .94rem;
  color: var(--on-accent-body);
}

/* ============ BUSINESS ============ */
.biz-card {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-card);
  padding: clamp(17px, 3.8vw, 24px) clamp(15px, 3.4vw, 22px);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.biz-card h3 { font-size: 1.12rem; letter-spacing: -.01em; }
.biz-card p { font-size: .93rem; color: var(--ink-soft); }
.biz-card--featured { border: 1.5px solid rgba(194, 75, 30, .45); background: #FFFBF8; }
.biz-kicker {
  font-size: .85rem;
  font-weight: 700;
  color: var(--accent-deep);
  margin-top: auto;
}
.loop-note {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: var(--dark);
  color: var(--dark-ink);
  border-radius: 18px;
  padding: clamp(15px, 3.4vw, 20px) clamp(16px, 3.6vw, 24px);
  margin-top: clamp(18px, 2.4vw, 26px);
}
.loop-note svg { flex: none; margin-top: 2px; }
.loop-note p { font-size: .98rem; color: var(--dark-body); }
.loop-note strong { color: var(--dark-ink); }

/* ============ ROADMAP ============ */
.road-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--on-accent-fill);
  border: 1px solid var(--on-accent-line);
  border-radius: var(--radius-card);
  padding: clamp(16px, 3.6vw, 22px) clamp(15px, 3.2vw, 20px);
}
.road-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.road-phase {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--on-accent-strong);
}
.road-phase i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--on-accent-strong);
  box-shadow: 0 0 0 4px rgba(255, 246, 240, .14);
}
.road-tag {
  font-size: .62rem;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  border-radius: 999px;
  padding: 2px 9px;
  white-space: nowrap;
  border: 1px solid transparent;
  color: var(--on-accent-body);
}
.road-card h3 { font-size: 1.12rem; letter-spacing: -.01em; line-height: 1.2; color: var(--on-accent-strong); }
.road-card p { font-size: .92rem; color: var(--on-accent-body); }

/* done */
.road-card--done .road-tag { background: var(--on-accent-strong); color: var(--accent-deep); }
/* in progress */
.road-card--now .road-phase i { background: var(--on-accent-muted); }
.road-card--now .road-tag { background: rgba(255, 246, 240, .24); color: var(--on-accent-body); }
/* planned, dimmed */
.road-card--later .road-phase i { background: rgba(255, 246, 240, .6); }
.road-card--later .road-tag { border-color: rgba(255, 246, 240, .35); }
.road-card--later h3 { color: rgba(255, 253, 247, .82); }
.road-card--last .road-phase i { background: rgba(255, 246, 240, .35); }

/* ============ TEAM ============ */
.team-row {
  display: flex;
  gap: 18px;
  align-items: center;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-card);
  padding: clamp(16px, 3.6vw, 22px) clamp(16px, 3.6vw, 24px);
}
.team-row h3 { font-size: 1.16rem; letter-spacing: -.01em; }
.team-role { font-size: .86rem; font-weight: 700; color: var(--accent-deep); }
.team-row p:last-child { font-size: .93rem; color: var(--ink-soft); margin-top: 5px; }
.team-avatar {
  display: grid;
  place-items: center;
  width: 62px;
  height: 62px;
  flex: none;
  border-radius: 50%;
  background: var(--ink);
  color: var(--hero-bg);
  font-size: 1.05rem;
  font-weight: 700;
}
.team-row--open {
  border: 1.5px dashed rgba(34, 37, 42, .18);
  background: #FAF9F6;
  padding: 22px 24px;
}
.team-row--open .team-avatar {
  background: transparent;
  border: 1.5px dashed rgba(34, 37, 42, .25);
  color: var(--ink-faint);
}
.team-row--advisory {
  border: 1.5px dashed rgba(194, 75, 30, .35);
  background: #FFFBF8;
  padding: 22px 24px;
}
.team-row--advisory .team-avatar {
  background: transparent;
  border: 1.5px dashed rgba(194, 75, 30, .4);
  color: var(--accent);
}

/* ============ CTA ============ */
.cta { padding: clamp(48px, 7.5vw, 124px) var(--band-pad-x) clamp(40px, 6vw, 86px); }
.cta .band-inner { text-align: center; }
.cta-title {
  font-family: 'Newsreader', Georgia, serif;
  font-style: italic;
  font-weight: 400;
  font-size: clamp(1.85rem, 6vw, 3.6rem);
  line-height: 1.06;
  color: var(--on-accent-strong);
  letter-spacing: 0;
}
.cta-lede {
  font-size: clamp(.95rem, 2.4vw, 1.18rem);
  color: var(--on-accent-body);
  max-width: 40em;
  margin: 16px auto 0;
}
.cta-grid { text-align: left; }
.cta-card {
  display: flex;
  flex-direction: column;
  gap: 9px;
  background: var(--card-on-accent);
  color: var(--ink);
  border-radius: var(--radius-card);
  padding: clamp(18px, 4vw, 26px) clamp(16px, 3.6vw, 24px);
  text-decoration: none;
  transition: background .2s, transform .25s var(--ease-snap);
}
.cta-card:hover { background: #FFFFFF; color: var(--ink); transform: translateY(-3px); }
.cta-card h3 { font-size: 1.16rem; letter-spacing: -.01em; }
.cta-card p { font-size: .93rem; color: var(--ink-soft); }
.cta-go { font-size: .9rem; font-weight: 700; color: var(--accent-deep); margin-top: auto; }

.cta-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px 28px;
  flex-wrap: wrap;
  margin-top: clamp(40px, 5vw, 64px);
  padding-top: 26px;
  border-top: 1px solid var(--on-accent-line);
}
.cta-links a {
  color: var(--on-accent);
  text-decoration: none;
  font-size: .92rem;
}
.cta-links a:hover { color: var(--on-accent-strong); text-decoration: underline; }
.cta-fine { font-size: .8rem; color: var(--on-accent-muted); margin-top: 18px; }

/* ============ KEYFRAMES ============ */
@keyframes ss-fadeup {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: none; }
}
@keyframes ss-wavebig {
  0%, 100% { transform: scaleY(.1); }
  50% { transform: scaleY(1); }
}
@keyframes ss-bob {
  0%, 100% { transform: translateY(-3.2%); }
  50% { transform: translateY(3.2%); }
}
@keyframes ss-scan {
  0% { clip-path: inset(0 100% 0 0); }
  88%, 100% { clip-path: inset(0 0 0 0); }
}
@keyframes ss-head {
  0% { left: 0%; }
  88%, 100% { left: 100%; }
}
@keyframes ss-tagin {
  0%, 8% { opacity: 0; transform: translate(-50%, 6px); }
  18%, 100% { opacity: 1; transform: translate(-50%, 0); }
}
@keyframes ss-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .35; }
}

/* ============ RESPONSIVE ============ */
@media (max-width: 980px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .split, .split-even, .split-flip { grid-template-columns: 1fr; }
  .mini-3 { grid-template-columns: repeat(2, 1fr); }
}

/* between the tablet and phone breakpoints the full link set still shows,
   so tighten it until it fits rather than letting the header overflow */
@media (max-width: 940px) {
  .nav { gap: 14px; padding-inline: clamp(14px, 3vw, 28px); }
  .nav-links { gap: 14px; min-width: 0; }
  .nav-links a { font-size: .86rem; }
  .nav-actions { margin-left: 12px; gap: 8px; }
  .nav-signin, .nav-cta { padding: 8px 14px; font-size: .86rem; }
}

@media (max-width: 700px) {
  /* the phone menu is just the two actions: Sign in, Book a call */
  .nav { padding: 9px 14px; gap: 10px; }
  .nav-links { display: none; }
  .nav-logo { font-size: 1rem; }
  .nav-actions { margin-left: auto; gap: 8px; }
  /* keep both actions at a 44px tap target */
  .nav-signin, .nav-cta {
    font-size: .84rem;
    padding: 0 15px;
    display: inline-flex;
    align-items: center;
    min-height: 44px;
  }
  .nav-logo { display: inline-flex; min-height: 44px; }

  /* Hero: the waveform stays a full-bleed backdrop behind the copy, exactly
     as it is on desktop. Only the scale changes, never the arrangement. */
  .hero {
    min-height: 84svh;
    padding: 40px 20px 64px;
  }
  .hero-title { line-height: 1.04; }
  .waverow { inset: -10% 0; gap: 2px; padding: 0 14px; }

  /* the zigzag reads smaller on a phone */
  .band { padding-left: 20px; padding-right: 20px; }
  .band-l { border-radius: 24px 0 0 24px; }
  .band-r { border-radius: 0 24px 24px 0; }
  .cta { padding-left: 20px; padding-right: 20px; }

  .grid-3, .grid-4, .mini-3 { grid-template-columns: 1fr; }

  /* waveform mock: fewer chips so they never collide. The bar count itself
     is chosen from the measured stage width in main.js. */
  .wb-row { padding: 30px 10px; gap: 2px; }
  .wb-tag--minor { display: none; }
  .wb-toolbar { flex-wrap: wrap; row-gap: 4px; }

  .code { font-size: .7rem; padding: 16px 14px; }
  .stack { gap: 12px; }
  .team-row { flex-direction: column; align-items: flex-start; gap: 12px; }
  .features-hint { display: none; }
}

@media (max-width: 560px) {
  /* the session label is the first thing to go when the toolbar tightens */
  .wb-meta, .wb-sep { display: none; }
  .feat-card { width: 232px; }
  .badge-row { gap: 12px 18px; }
  .badge-row span { font-size: .88rem; }
}

/* ============ REDUCED MOTION ============ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .waverow, .waverow i, .phone-wave i,
  .wb-row--tagged, .wb-playhead, .wb-tag, .wb-status i,
  .hero-inner { animation: none; }
  /* settle on the end state: the whole session tagged */
  .wb-row--tagged { clip-path: inset(0); }
  .wb-tag { opacity: 1; }
  .wb-playhead { display: none; }
  .cta-card:hover { transform: none; }
}