/* ==========================================================================
   AI Site Guide — Landing Page
   Static prototype styles (v2)
   Reset around WiseOx Design System tokens.
   ========================================================================== */

/* --------------------------------------------------------------------------
   Icon font (bacon-ai-icons)
   Usage: <i class="icon-ai"></i>
   Icon glyph map (icon-*::before content codes) is at the bottom of this file.
   -------------------------------------------------------------------------- */
@font-face {
  font-family: "bacon-ai-icons";
  src:
    url("../assets/icons/bacon-ai-icons.woff") format("woff"),
    url("../assets/icons/bacon-ai-icons.ttf") format("truetype");
  font-weight: normal;
  font-style: normal;
  font-display: block;
}

i[class^="icon-"],
i[class*=" icon-"] {
  font-family: "bacon-ai-icons" !important;
  speak: never;
  font-style: normal;
  font-weight: normal;
  font-variant: normal;
  text-transform: none;
  line-height: 1;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  display: inline-block;
  vertical-align: middle;
}

/* --------------------------------------------------------------------------
   Tokens (reset to WiseOx DS, palette scoped to brief)
   -------------------------------------------------------------------------- */
:root {
  /* Brand palette — deliberately narrow */
  --color-black:            #1e2529;
  --color-white:            #ffffff;
  --color-brand-green:      #2de279;
  --color-brand-green-hover:#19c460;
  --color-positive-blue:    #3dbfbf;
  --color-slate:            #334e59;

  /* Neutrals from DS (kept minimal — surfaces only) */
  --color-off-white:  #f7f7f7;
  --color-silver:     #f0f1f2;
  --color-neutral:    #e6e6e6;
  --color-border:     #e0e0e0;
  --color-border-lt:  #e8ebed;

  /* Text */
  --color-ink:        #1e2529; /* body & headings (same as --color-black) */
  --color-ink-soft:   #334e59; /* slate */
  --color-ink-quiet:  #707070;

  /* Fonts */
  --font-body: "Lexend", "Helvetica", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "PT Mono", ui-monospace, monospace;

  /* Weights */
  --w-light:     300;
  --w-regular:   400;
  --w-medium:    500;
  --w-semibold:  600;
  --w-bold:      700;

  /* Layout */
  --container:      1200px;
  --container-narrow: 780px;
  --header-h:       64px;
  --gutter:         32px;

  /* Radii — DS-derived, rounded but not soft-blob */
  --r-xs:   6px;
  --r-sm:   8px;
  --r-md:   12px;
  --r-lg:   16px;
  --r-xl:   24px;
  --r-pill: 999px;

  /* Shadows — light and playful, per inspiration set */
  --shadow-xs:    0 1px 2px rgba(30,37,41,0.05);
  --shadow-card:  0 8px 24px -12px rgba(30,37,41,0.10), 0 2px 6px -3px rgba(30,37,41,0.06);
  --shadow-pop:   0 24px 60px -20px rgba(30,37,41,0.20), 0 6px 16px -8px rgba(30,37,41,0.08);
  --shadow-lift:  0 30px 80px -20px rgba(30,37,41,0.25);

  --ease-out: cubic-bezier(0.2, 0.7, 0.2, 1);
}

/* --------------------------------------------------------------------------
   Reset + base
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: var(--w-regular);
  line-height: 1.55;
  color: var(--color-ink);
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  letter-spacing: -0.005em;
}

img, svg, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
ul { list-style: none; padding: 0; margin: 0; }

/* --------------------------------------------------------------------------
   Layout helpers
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.container-narrow {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.section-heading {
  max-width: 720px;
}
.section-heading.center {
  margin-left: auto; margin-right: auto; text-align: center;
}

/* --------------------------------------------------------------------------
   Typography (Lexend, DS-inspired but with more variance in scale)
   -------------------------------------------------------------------------- */
h1, h2, h3, h4 {
  font-family: var(--font-body);
  font-weight: var(--w-semibold);
  letter-spacing: -0.03em;
  line-height: 1.02;
  margin: 0 0 20px;
  color: var(--color-ink);
}

/* Loud display for hero — pushed further than before */
.h-display {
  font-size: clamp(48px, 8.5vw, 128px);
  line-height: 0.95;
  letter-spacing: -0.045em;
  font-weight: var(--w-semibold);
}

/* Large section headline (quiet-loud contrast against .h-display) */
.h-xl {
  font-size: clamp(40px, 5.6vw, 76px);
  line-height: 1.02;
  letter-spacing: -0.035em;
}

/* Standard section headline */
.h-lg {
  font-size: clamp(28px, 3.4vw, 44px);
  line-height: 1.1;
  letter-spacing: -0.028em;
}

/* Quieter, for less-emphasized sections */
.h-md {
  font-size: clamp(22px, 2.2vw, 30px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-weight: var(--w-medium);
}

.light { color: var(--color-white); }

.lede {
  font-size: 19px;
  line-height: 1.55;
  color: var(--color-ink-soft);
  max-width: 620px;
  margin: 0 0 32px;
}
.body-lg {
  font-size: 17px;
  line-height: 1.65;
  color: var(--color-ink-soft);
  margin: 0 0 18px;
}
.body-xl {
  font-size: 20px;
  line-height: 1.55;
  color: var(--color-ink-soft);
  margin: 0 0 32px;
  font-weight: var(--w-regular);
}
.section-dark .body-lg,
.section-dark .body-xl,
.section-dark .lede { color: rgba(255,255,255,0.78); }

.accent-highlight {
  background-color: rgba(45, 226, 121, 0.45);
  padding: 0 0.12em;
  border-radius: 4px;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

/* --------------------------------------------------------------------------
   Buttons — "website-y" (larger padding, lighter weight, softer letter-spacing)
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: var(--w-regular);
  letter-spacing: -0.005em;
  padding: 16px 30px;
  border-radius: var(--r-pill);
  border: 1.5px solid transparent;
  background: transparent;
  color: var(--color-ink);
  transition:
    transform 200ms var(--ease-out),
    background 200ms var(--ease-out),
    color 200ms var(--ease-out),
    box-shadow 220ms var(--ease-out);
  white-space: nowrap;
  line-height: 1;
  cursor: pointer;
}
.btn .arrow { transition: transform 220ms var(--ease-out); font-size: 14px; }
.btn:hover .arrow { transform: translateX(4px); }

.btn-primary {
  background: var(--color-ink);
  color: var(--color-white);
  box-shadow: 0 6px 16px -8px rgba(30,37,41,0.5);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-pop);
}

.btn-ghost {
  background: transparent;
  color: var(--color-ink);
  border-color: var(--color-border);
}
.btn-ghost:hover {
  border-color: var(--color-ink);
  background: var(--color-off-white);
}

/* Buttons that live on dark bands */
.btn-on-dark {
  background: var(--color-brand-green);
  color: var(--color-ink);
  box-shadow: 0 8px 24px -8px rgba(45,226,121,0.35);
}
.btn-on-dark:hover {
  background: var(--color-brand-green-hover);
  transform: translateY(-1px);
}
.btn-ghost-on-dark {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,0.25);
}
.btn-ghost-on-dark:hover {
  border-color: var(--color-white);
  background: rgba(255,255,255,0.05);
}

.btn-sm { padding: 12px 22px; font-size: 14px; }
.btn-lg { padding: 20px 36px; font-size: 16px; }

.link-quiet {
  font-size: 15px;
  font-weight: var(--w-regular);
  color: var(--color-ink);
  padding: 8px 4px;
}
.link-quiet:hover { color: var(--color-ink-soft); }

/* --------------------------------------------------------------------------
   Header — "contained pill" navigation, inspired by refs 3/4/5
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 16px; left: 0; right: 0;
  z-index: 40;
  display: flex;
  justify-content: center;
  pointer-events: none;
  transition: top 220ms var(--ease-out);
}
.header-inner {
  pointer-events: auto;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 32px;
  height: var(--header-h);
  padding: 0 12px 0 20px;
  background: rgba(255,255,255,0.85);
  backdrop-filter: saturate(1.4) blur(14px);
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
  border: 1px solid var(--color-border-lt);
  border-radius: var(--r-pill);
  box-shadow: var(--shadow-card);
  min-width: 620px;
}
.site-header.is-scrolled .header-inner {
  box-shadow: var(--shadow-pop);
}

.logo { display: inline-flex; align-items: center; gap: 10px; }
.logo svg { height: 22px; width: auto; display: block; }

.primary-nav {
  display: flex;
  gap: 28px;
  justify-content: center;
}
.primary-nav a {
  font-size: 14px;
  font-weight: var(--w-regular);
  color: var(--color-ink);
  padding: 6px 2px;
  position: relative;
  transition: color 180ms;
}
.primary-nav a:hover { color: var(--color-ink-soft); }
.nav-with-badge { display: inline-flex; align-items: center; gap: 8px; }
.badge-new {
  display: inline-block;
  font-size: 10px;
  font-weight: var(--w-medium);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 3px 8px;
  color: var(--color-ink);
  background: var(--color-brand-green);
  border-radius: var(--r-pill);
  line-height: 1;
}
.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

/* --------------------------------------------------------------------------
   Sticky chapter marker — replaces repeated inline eyebrows.
   Left-edge fixed rail, updates as sections scroll into view.
   -------------------------------------------------------------------------- */
.chapter-rail {
  position: fixed;
  left: 22px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 30;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  pointer-events: none;
  opacity: 0;
  transition: opacity 400ms var(--ease-out);
}
.chapter-rail.is-ready { opacity: 1; }
.chapter-tick {
  display: block;
  width: 2px;
  height: 12px;
  background: rgba(30,37,41,0.15);
  transition: background 300ms var(--ease-out), height 300ms var(--ease-out);
  pointer-events: auto;
}
.chapter-tick.is-active {
  background: var(--color-ink);
  height: 32px;
}
.chapter-label {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: var(--w-medium);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--color-ink);
  height: 0;
  overflow: hidden;
  transition: height 320ms var(--ease-out), margin-top 320ms var(--ease-out);
}
.chapter-tick.is-active + .chapter-label {
  height: 130px;
  margin-top: 4px;
}
/* On dark sections, invert */
.chapter-rail.on-dark .chapter-tick { background: rgba(255,255,255,0.25); }
.chapter-rail.on-dark .chapter-tick.is-active { background: var(--color-brand-green); }
.chapter-rail.on-dark .chapter-label { color: var(--color-white); }

/* --------------------------------------------------------------------------
   Hero — centered, type-forward, abstract voice motion
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  padding: calc(var(--header-h) + 96px) 0 60px;
  background: var(--color-white);
  overflow: hidden;
  text-align: center;
}
.hero-inner {
  position: relative;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: var(--w-medium);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--color-ink);
  padding: 8px 16px 8px 12px;
  background: var(--color-off-white);
  border: 1px solid var(--color-border-lt);
  border-radius: var(--r-pill);
  margin-bottom: 40px;
}
.hero-eyebrow .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--color-brand-green);
  box-shadow: 0 0 0 4px rgba(45,226,121,0.2);
  display: inline-block;
}

.hero h1 { margin: 0 auto 32px; max-width: 1000px; }
.hero .lede {
  margin-left: auto; margin-right: auto;
  max-width: 640px;
  font-size: 20px;
  text-align: center;
}
.hero-actions {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 8px;
}

/* Voice motion — animated waveform placeholder for a future demo asset */
.voice-canvas {
  margin: 88px auto 0;
  max-width: 1100px;
  padding: 0 var(--gutter);
  position: relative;
}
.voice-frame {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: var(--r-xl);
  background:
    radial-gradient(120% 80% at 50% 100%, rgba(45,226,121,0.06) 0%, transparent 65%),
    linear-gradient(180deg, #fbfcfc 0%, #f3f5f6 100%);
  border: 1px solid var(--color-border-lt);
  overflow: hidden;
  box-shadow: var(--shadow-pop);
  display: flex;
  align-items: center;
  justify-content: center;
}
.voice-frame::before {
  /* replace-me tag so it's obvious this is a placeholder for a real asset */
  content: "Preview · will be replaced with product visual";
  position: absolute;
  top: 18px; left: 22px;
  font-size: 11px;
  font-weight: var(--w-medium);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-ink-quiet);
  z-index: 3;
}
.waveform {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 60%;
  width: 90%;
  max-width: 780px;
}
.waveform .bar {
  width: 6px;
  min-height: 8px;
  height: 20%;
  background: var(--color-ink);
  border-radius: 3px;
  transform-origin: center;
  animation: waveflex 1.6s ease-in-out infinite;
}
.waveform .bar.green { background: var(--color-brand-green); }
@keyframes waveflex {
  0%, 100% { transform: scaleY(0.4); opacity: 0.7; }
  50%      { transform: scaleY(1);   opacity: 1; }
}
.mic-anchor {
  position: absolute;
  bottom: 22px; left: 50%;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px 10px 12px;
  background: var(--color-ink);
  color: var(--color-white);
  border-radius: var(--r-pill);
  font-size: 13px;
  font-weight: var(--w-regular);
  z-index: 3;
  box-shadow: var(--shadow-card);
}
.mic-anchor i { color: var(--color-brand-green); font-size: 16px; }
.mic-anchor::before {
  content: "";
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--color-brand-green);
  box-shadow: 0 0 0 4px rgba(45,226,121,0.35);
  animation: micpulse 1.4s ease-in-out infinite;
  margin-right: 2px;
}
@keyframes micpulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(45,226,121,0.35); }
  50%      { box-shadow: 0 0 0 8px rgba(45,226,121,0.15); }
}

/* --------------------------------------------------------------------------
   Trust strip
   -------------------------------------------------------------------------- */
.trust-strip {
  padding: 40px 0 96px;
}
.trust-inner {
  display: grid;
  grid-template-columns: minmax(320px, 1.1fr) minmax(0, 1.4fr);
  gap: 60px;
  align-items: center;
}
.trust-copy {
  font-size: 15px;
  color: var(--color-ink-soft);
  margin: 0;
  line-height: 1.6;
}
.trust-copy strong { color: var(--color-ink); font-weight: var(--w-medium); }
.logo-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  align-items: center;
}
.logo-slot {
  padding: 22px 12px;
  text-align: center;
  font-family: var(--font-body);
  font-weight: var(--w-medium);
  font-size: 13px;
  letter-spacing: 0.22em;
  color: var(--color-ink-quiet);
  background: var(--color-off-white);
  border-radius: var(--r-md);
}

/* --------------------------------------------------------------------------
   Section rhythm — vary padding rather than repeat one value.
   Every "section" gets a base, plus per-section overrides.
   -------------------------------------------------------------------------- */
.section {
  padding: 120px 0;
  position: relative;
}
.section-tight  { padding: 80px 0; }
.section-loud   { padding: 160px 0; }

/* --------------------------------------------------------------------------
   Problem — asymmetric split (7/5), big pull-quote treatment
   -------------------------------------------------------------------------- */
.section-problem .container {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 80px;
  align-items: start;
}
.problem-heading .h-lg { font-size: clamp(34px, 4vw, 56px); }
.problem-heading .h-lg em {
  font-style: normal;
  color: var(--color-brand-green);
  background: var(--color-ink);
  padding: 0 12px;
  border-radius: var(--r-sm);
  display: inline-block;
  transform: translateY(-2px);
  margin: 0 2px;
}
.problem-body {
  border-left: 2px solid var(--color-border);
  padding-left: 32px;
  margin-top: 12px;
}

/* --------------------------------------------------------------------------
   Positioning — quiet, generous, big centered typography moment
   -------------------------------------------------------------------------- */
.section-positioning { padding: 180px 0 160px; text-align: center; }
.positioning-mic {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--color-ink);
  color: var(--color-brand-green);
  font-size: 22px;
  margin-bottom: 40px;
}

/* --------------------------------------------------------------------------
   How It Works — horizontal timeline (no numerics, no bordered card grid)
   -------------------------------------------------------------------------- */
.section-steps { background: var(--color-off-white); padding: 140px 0; }
.steps-heading { margin-bottom: 72px; }
.steps-timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.steps-timeline::before {
  content: "";
  position: absolute;
  left: 4%;
  right: 4%;
  top: 22px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-border) 0%, var(--color-ink) 30%, var(--color-ink) 70%, var(--color-border) 100%);
}
.step-node {
  position: relative;
  padding-top: 64px;
}
.step-node::before {
  content: "";
  position: absolute;
  top: 14px; left: 0;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--color-white);
  border: 2px solid var(--color-ink);
  transition: transform 240ms var(--ease-out), background 240ms var(--ease-out);
}
.step-node:hover::before { background: var(--color-brand-green); transform: scale(1.15); }
.step-title {
  font-size: 22px;
  font-weight: var(--w-semibold);
  margin: 0 0 10px;
  letter-spacing: -0.02em;
}
.step-body {
  color: var(--color-ink-soft);
  font-size: 15px;
  line-height: 1.55;
  margin: 0;
  max-width: 240px;
}

/* --------------------------------------------------------------------------
   Live Demo — dark band, video-forward, asymmetric 60/40 split
   -------------------------------------------------------------------------- */
.section-dark {
  background: var(--color-ink);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}
.section-dark h2,
.section-dark h3 { color: var(--color-white); }

.section-demo { padding: 140px 0 160px; }
.demo-grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 80px;
  align-items: center;
}
.demo-copy .h-lg { color: var(--color-white); }

.video-card {
  position: relative;
  aspect-ratio: 16 / 10;
  background: var(--color-white);
  cursor: pointer;
  overflow: hidden;
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-lift);
  transition: transform 260ms var(--ease-out);
}
.video-card:hover { transform: translateY(-4px); }
.video-card video { width: 100%; height: 100%; object-fit: cover; }
.video-frame {
  position: absolute; inset: 0;
  padding: 22px;
  background: linear-gradient(180deg, #f2f5f7 0%, #e6ecef 100%);
}
.video-frame-inner {
  background: #fff;
  height: 100%;
  border: 1px solid var(--color-border-lt);
  border-radius: var(--r-md);
  overflow: hidden;
}
.vf-topbar {
  display: flex; align-items: center; gap: 6px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--color-border-lt);
  background: #f6f8f9;
}
.vf-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--color-border); }
.vf-url { margin-left: 10px; font-size: 11px; color: var(--color-ink-quiet); }
.vf-content { padding: 22px; }
.vf-line { height: 10px; background: var(--color-border); border-radius: 4px; margin-bottom: 10px; }
.vf-line.long { width: 80%; }
.vf-line.med  { width: 55%; }
.vf-line.short { width: 40%; }
.vf-card {
  margin-top: 22px;
  border: 1px solid var(--color-ink);
  border-radius: var(--r-sm);
  padding: 14px;
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 12px;
}
.vf-thumb { height: 48px; background: var(--color-ink); border-radius: 4px; }
.play-btn {
  position: absolute; left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  transition: transform 260ms var(--ease-out);
  filter: drop-shadow(0 12px 30px rgba(45,226,121,0.35));
}
.video-card:hover .play-btn { transform: translate(-50%, -50%) scale(1.06); }
.video-caption {
  position: absolute;
  left: 16px; bottom: 16px;
  color: var(--color-white);
  background: var(--color-ink);
  padding: 6px 14px;
  border-radius: var(--r-pill);
  font-size: 12px;
  font-weight: var(--w-medium);
  letter-spacing: 0.04em;
}

/* --------------------------------------------------------------------------
   Just Ask — scattered chip cloud, off-grid, one chip is "loud"
   -------------------------------------------------------------------------- */
.section-just-ask { padding: 140px 0; }
.just-ask-head { margin-bottom: 56px; }
.chip-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  align-items: center;
  max-width: 1080px;
  margin: 0 auto;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--r-pill);
  background: var(--color-white);
  font-size: 15px;
  font-weight: var(--w-regular);
  color: var(--color-ink);
  transition: transform 220ms var(--ease-out), background 220ms var(--ease-out), color 220ms var(--ease-out), border-color 220ms var(--ease-out), box-shadow 220ms var(--ease-out);
  cursor: default;
  box-shadow: var(--shadow-xs);
}
.chip:hover {
  transform: translateY(-2px);
  border-color: var(--color-ink);
  box-shadow: var(--shadow-card);
}
.chip i {
  color: var(--color-ink-soft);
  font-size: 14px;
  transition: color 220ms;
}
.chip:hover i { color: var(--color-brand-green); }
/* One chip in the cloud is emphasized */
.chip.chip-lg {
  padding: 22px 32px;
  font-size: 18px;
  background: var(--color-ink);
  color: var(--color-white);
  border-color: var(--color-ink);
}
.chip.chip-lg i { color: var(--color-brand-green); font-size: 18px; }
.chip.chip-lg:hover { background: var(--color-slate); border-color: var(--color-slate); }

/* --------------------------------------------------------------------------
   What Makes It Different — 2-column with big-type feature moments,
   NOT four equal bordered cards.
   -------------------------------------------------------------------------- */
.section-diff { padding: 160px 0; }
.diff-head { margin-bottom: 80px; max-width: 640px; }
.diff-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 64px 80px;
}
.diff-item {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 24px;
}
.diff-item i {
  font-size: 28px;
  color: var(--color-ink);
  padding-top: 6px;
}
.diff-item .k {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: var(--w-medium);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-ink-quiet);
  margin-bottom: 12px;
  display: block;
}
.diff-item h3 {
  font-size: clamp(26px, 2.6vw, 34px);
  font-weight: var(--w-semibold);
  letter-spacing: -0.028em;
  margin: 0 0 12px;
  line-height: 1.15;
}
.diff-item p {
  color: var(--color-ink-soft);
  font-size: 16px;
  line-height: 1.55;
  margin: 0;
  max-width: 400px;
}

/* --------------------------------------------------------------------------
   Where Site Guide Fits — bento (1 large + 3 small)
   -------------------------------------------------------------------------- */
.section-fits { padding: 140px 0; background: var(--color-off-white); }
.fits-head { margin-bottom: 60px; }
.fits-bento {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: auto auto;
  gap: 16px;
}
.fit-card {
  background: var(--color-white);
  border: 1px solid var(--color-border-lt);
  border-radius: var(--r-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 200px;
  transition: transform 240ms var(--ease-out), box-shadow 240ms var(--ease-out);
  box-shadow: var(--shadow-xs);
}
.fit-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.fit-card.fit-lg {
  grid-column: span 2;
  grid-row: span 2;
  padding: 44px;
  background: var(--color-ink);
  color: var(--color-white);
  border-color: var(--color-ink);
  position: relative;
  overflow: hidden;
}
.fit-card.fit-lg::after {
  content: "";
  position: absolute;
  right: -100px; bottom: -100px;
  width: 260px; height: 260px;
  background: radial-gradient(circle, rgba(45,226,121,0.28) 0%, transparent 70%);
  pointer-events: none;
}
.fit-card i { font-size: 24px; color: var(--color-ink); }
.fit-card.fit-lg i { color: var(--color-brand-green); font-size: 32px; }
.fit-eyebrow {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: var(--w-medium);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-ink-quiet);
  margin-bottom: 12px;
}
.fit-card.fit-lg .fit-eyebrow { color: rgba(255,255,255,0.6); }
.fit-title {
  font-size: 22px;
  font-weight: var(--w-semibold);
  letter-spacing: -0.02em;
  margin: 24px 0 10px;
}
.fit-card.fit-lg .fit-title {
  font-size: clamp(28px, 2.6vw, 36px);
  margin-top: 40px;
  color: var(--color-white);
}
.fit-body {
  color: var(--color-ink-soft);
  font-size: 15px;
  line-height: 1.55;
  margin: 0;
}
.fit-card.fit-lg .fit-body {
  color: rgba(255,255,255,0.78);
  font-size: 17px;
  max-width: 420px;
}

/* --------------------------------------------------------------------------
   Market Research — 70/30 split, oversized quote block
   -------------------------------------------------------------------------- */
.section-research { padding: 140px 0; }
.research-grid {
  display: grid;
  grid-template-columns: 4fr 6fr;
  gap: 80px;
  align-items: start;
}
.ba-stack { display: flex; flex-direction: column; gap: 20px; }
.ba-card {
  padding: 24px 28px;
  background: var(--color-white);
  border: 1px solid var(--color-border-lt);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-xs);
}
.ba-card.ba-after {
  background: var(--color-ink);
  color: var(--color-white);
  border-color: var(--color-ink);
  box-shadow: var(--shadow-card);
}
.ba-label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: var(--w-medium);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-ink-quiet);
  margin-bottom: 14px;
}
.ba-card.ba-after .ba-label {
  color: var(--color-ink);
  background: var(--color-brand-green);
  padding: 3px 10px;
  border-radius: var(--r-pill);
}
.ba-quote {
  font-family: var(--font-body);
  font-size: 19px;
  line-height: 1.45;
  color: inherit;
  margin: 0;
  font-weight: var(--w-regular);
}
.ba-card.ba-after .ba-quote { color: var(--color-white); }
.ba-arrow {
  display: flex; justify-content: center;
  color: var(--color-brand-green);
  font-size: 20px;
}

/* --------------------------------------------------------------------------
   Founding Partner — dark, centered, quiet-loud
   -------------------------------------------------------------------------- */
.section-founding { padding: 160px 0; text-align: center; }
.section-founding .container-narrow { max-width: 820px; }
.section-founding .btn { margin-top: 20px; }

/* --------------------------------------------------------------------------
   FAQ — clean, DS-style
   -------------------------------------------------------------------------- */
.section-faq { padding: 140px 0; }
.faq-head { margin-bottom: 48px; }
.faq-list {
  max-width: 860px;
  margin: 0 auto;
  border-top: 1px solid var(--color-border);
}
.faq-item {
  border-bottom: 1px solid var(--color-border);
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 28px 4px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  font-family: var(--font-body);
  font-size: 20px;
  font-weight: var(--w-medium);
  color: var(--color-ink);
  letter-spacing: -0.015em;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-toggle {
  width: 28px; height: 28px;
  position: relative;
  flex-shrink: 0;
  transition: transform 300ms var(--ease-out);
}
.faq-toggle::before, .faq-toggle::after {
  content: "";
  position: absolute;
  background: var(--color-ink);
}
.faq-toggle::before { left: 4px; right: 4px; top: 50%; height: 2px; margin-top: -1px; border-radius: 2px; }
.faq-toggle::after  { top: 4px; bottom: 4px; left: 50%; width: 2px; margin-left: -1px; border-radius: 2px; transition: transform 260ms var(--ease-out); }
.faq-item[open] .faq-toggle::after { transform: rotate(90deg); }
.faq-item p {
  margin: 0 4px 28px;
  color: var(--color-ink-soft);
  font-size: 16px;
  line-height: 1.65;
  max-width: 720px;
}

/* --------------------------------------------------------------------------
   Final CTA — quiet, large type
   -------------------------------------------------------------------------- */
.section-final-cta { padding: 160px 0; background: var(--color-white); text-align: center; }
.section-final-cta .btn { margin-top: 12px; }

/* --------------------------------------------------------------------------
   Footer — dark, 4-column
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--color-ink);
  color: rgba(255,255,255,0.72);
  padding: 96px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  padding-bottom: 72px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand .logo svg path { fill: var(--color-white); }
.footer-brand .logo svg .g-mark { fill: var(--color-brand-green); }
.footer-mission {
  color: rgba(255,255,255,0.7);
  font-size: 15px;
  line-height: 1.6;
  max-width: 340px;
  margin: 20px 0 24px;
}
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  display: inline-flex;
  align-items: center; justify-content: center;
  width: 40px; height: 40px;
  border: 1px solid rgba(255,255,255,0.18);
  color: var(--color-white);
  border-radius: 50%;
  transition: background 200ms, color 200ms, border-color 200ms;
}
.footer-social a i { font-size: 16px; }
.footer-social a:hover { background: var(--color-brand-green); color: var(--color-ink); border-color: var(--color-brand-green); }

.footer-h {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: var(--w-medium);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-white);
  margin: 0 0 20px;
}
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul a {
  color: rgba(255,255,255,0.7);
  font-size: 15px;
  transition: color 180ms;
}
.footer-col ul a:hover { color: var(--color-brand-green); }

.footer-bottom {
  padding-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  font-size: 13px;
  color: rgba(255,255,255,0.55);
}
.footer-bottom-left { display: inline-flex; align-items: center; gap: 10px; }
.footer-bottom-left svg { height: 14px; width: auto; }
.footer-bottom-left svg path { fill: rgba(255,255,255,0.55); }
.footer-bottom-left svg .g-mark { fill: var(--color-brand-green); }
.footer-bottom-right { display: inline-flex; gap: 24px; }
.footer-bottom-right a { color: rgba(255,255,255,0.7); }
.footer-bottom-right a:hover { color: var(--color-brand-green); }

/* --------------------------------------------------------------------------
   Reveal animations
   -------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 700ms var(--ease-out), transform 700ms var(--ease-out);
  will-change: opacity, transform;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 1100px) {
  .chapter-rail { display: none; }
}
@media (max-width: 1024px) {
  .section-problem .container { grid-template-columns: 1fr; gap: 48px; }
  .problem-body { border-left: none; padding-left: 0; border-top: 2px solid var(--color-border); padding-top: 24px; }
  .demo-grid { grid-template-columns: 1fr; gap: 48px; }
  .research-grid { grid-template-columns: 1fr; gap: 48px; }
  .trust-inner { grid-template-columns: 1fr; gap: 40px; }
  .fits-bento { grid-template-columns: repeat(2, 1fr); }
  .fit-card.fit-lg { grid-column: span 2; grid-row: auto; min-height: 320px; }
  .diff-list { grid-template-columns: 1fr; gap: 48px; }
  .steps-timeline { grid-template-columns: repeat(2, 1fr); gap: 48px 32px; }
  .steps-timeline::before { display: none; }
  .step-node { padding-top: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .header-inner { min-width: 0; }
  .primary-nav { display: none; }
}
@media (max-width: 720px) {
  .section, .section-tight, .section-loud,
  .section-problem, .section-positioning, .section-steps,
  .section-demo, .section-just-ask, .section-diff, .section-fits,
  .section-research, .section-founding, .section-faq, .section-final-cta { padding: 88px 0; }
  .hero { padding-top: calc(var(--header-h) + 56px); }
  .voice-canvas { margin-top: 56px; }
  .fits-bento { grid-template-columns: 1fr; }
  .fit-card.fit-lg { grid-column: auto; }
  .logo-row { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; gap: 40px; padding-bottom: 48px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 12px; }
  .header-cta .link-quiet { display: none; }
  .site-header { top: 8px; }
  .header-inner { padding: 0 8px 0 14px; }
  .btn { padding: 14px 24px; }
}

/* --------------------------------------------------------------------------
   Reduced motion
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
  .waveform .bar { animation: none; height: 40%; }
  .mic-anchor::before { animation: none; }
}

/* --------------------------------------------------------------------------
   Icon font glyph map (subset actually used on the page)
   -------------------------------------------------------------------------- */
.icon-ai::before          { content: "\e945"; }
.icon-mic::before         { content: "\e909"; }
.icon-arrow-right::before { content: "\e93d"; }
.icon-arrow-down::before  { content: "\e93b"; }
.icon-play::before        { content: "\e930"; }
.icon-speak::before       { content: "\e938"; }
.icon-workflow::before    { content: "\e939"; }
.icon-transcript::before  { content: "\e93a"; }
.icon-graph::before       { content: "\e925"; }
.icon-behavior::before    { content: "\e923"; }
.icon-globe::before       { content: "\e92a"; }
.icon-briefcase::before   { content: "\e947"; }
.icon-hand::before        { content: "\e94c"; }
.icon-badge::before       { content: "\e946"; }
.icon-question::before    { content: "\e94f"; }
.icon-lock::before        { content: "\e908"; }
.icon-mascot::before      { content: "\e926"; }
.icon-linkedin::before    { content: "\e933"; }
.icon-youtube::before     { content: "\e934"; }
.icon-star::before        { content: "\e91e"; }
.icon-wand::before        { content: "\e914"; }
.icon-map::before         { content: "\e94d"; }
.icon-users::before       { content: "\e91a"; }
.icon-checkmark::before   { content: "\e91d"; }