/* C3H8 Media — industrial-clean studio */

:root {
  --paper: #ffffff;
  --paper-2: #F3F3F3;
  --paper-3: #ffffff;
  --ink: #1E1F2B;
  --ink-2: #3a3c48;
  --muted: #5a5c66;
  --rule: #e4e4e6;
  --amber: #F5C400;
  --amber-deep: #1E1F2B;
  --focus: #3d7ee8;
  --before-navy: #1a2a6c;
  --before-gold: #c9a227;
  --sans: "Inter", "Segoe UI", system-ui, sans-serif;
  --serif: "Onest", "Inter", "Segoe UI", system-ui, sans-serif;
  --measure: 38rem;
  --wide: 68rem;
}

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

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.55;
  letter-spacing: -0.011em;
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; }

.skip {
  position: absolute;
  left: 0.75rem;
  top: -3rem;
  z-index: 20;
  padding: 0.45rem 0.7rem;
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
}
.skip:focus { top: 0.75rem; }

.wrap {
  width: min(var(--wide), calc(100% - 2.25rem));
  margin-inline: auto;
}
.wrap.narrow { width: min(36rem, calc(100% - 2.25rem)); }

.sub {
  font-size: 0.68em;
  vertical-align: -0.18em;
  font-weight: 600;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--paper) 86%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
}

.header-inner {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.95rem 0 0.85rem;
}

.wordmark {
  text-decoration: none;
  font-weight: 800;
  letter-spacing: -0.045em;
  font-size: 1.45rem;
  line-height: 1;
}
.wordmark .sub { color: var(--amber); font-size: 1em; vertical-align: 0; }
.wm-rest {
  font-weight: 800;
  letter-spacing: -0.04em;
  margin-left: 0.22em;
}

.header-cta {
  font-size: 0.92rem;
  font-weight: 550;
  text-decoration: none;
  border-bottom: 1px solid var(--amber);
  padding-bottom: 0.08rem;
}
.header-cta:hover { color: var(--amber-deep); }

/* Hero */

.hero {
  padding: 3.4rem 0 3.6rem;
  border-bottom: 1px solid var(--rule);
}

.hero-inner { max-width: 46rem; }

.hero-caption {
  margin: -0.35rem 0 1.25rem;
  font-size: 1.05rem;
  color: var(--muted);
}


.eyebrow {
  margin: 0 0 1.1rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber-deep);
}

.hero h1 {
  margin: 0 0 1.15rem;
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2.35rem, 8vw, 4.35rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
}

.subhead {
  margin: 0 0 1.15rem;
  max-width: 36rem;
  font-family: var(--sans);
  font-weight: 400;
  font-size: 1.15rem;
  line-height: 1.5;
  letter-spacing: -0.011em;
  color: var(--ink-2);
}

.honest {
  margin: 0 0 1.85rem;
  max-width: 28rem;
  padding-top: 1rem;
  border-top: 1px solid var(--rule);
  font-size: 1.02rem;
  color: var(--ink);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.1rem 1.5rem;
}

.btn {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.85rem;
  padding: 0.65rem 1.15rem;
  border: 0;
  border-radius: 2px;
  background: var(--ink);
  color: var(--paper-3);
  font: inherit;
  font-weight: 600;
  letter-spacing: -0.015em;
  text-decoration: none;
  cursor: pointer;
}
.btn:hover { background: #2a2b3a; }
.btn:focus-visible,
.text-link:focus-visible,
.header-cta:focus-visible,
.wordmark:focus-visible,
input:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.text-link {
  font-weight: 550;
  text-decoration: none;
  border-bottom: 1px solid var(--amber);
  padding-bottom: 0.08rem;
}
.text-link:hover { color: var(--amber-deep); }

/* Sections */

.band {
  padding: 3.4rem 0 3.6rem;
  border-bottom: 1px solid var(--rule);
}

.sec-title {
  margin: 0 0 1.5rem;
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(1.7rem, 4vw, 2.35rem);
  letter-spacing: -0.025em;
  line-height: 1.15;
}

/* How */

.how-aside {
  margin: -0.55rem 0 1.6rem;
  max-width: 36rem;
  font-size: 1.02rem;
  font-weight: 400;
  line-height: 1.5;
  color: var(--muted);
}

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.75rem;
}

.steps li { max-width: 22rem; }

.step-num {
  display: block;
  margin-bottom: 0.45rem;
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.55rem;
  color: var(--amber);
  letter-spacing: -0.03em;
}

.steps h3,
.who-list h3 {
  margin: 0 0 0.4rem;
  font-size: 1.15rem;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.steps p,
.who-list p {
  margin: 0;
  color: var(--ink-2);
}

/* Why */

.band-why { background: var(--paper-2); }

.lede {
  margin: 0 0 1rem;
  font-family: var(--serif);
  font-size: 1.45rem;
  line-height: 1.3;
  letter-spacing: -0.02em;
}

.band-why p:last-child {
  margin: 0;
  color: var(--ink-2);
}

.band-shops {
  background: var(--ink);
  color: var(--paper);
  border-bottom: 0;
}

.band-shops .lede { color: var(--paper); }

.band-shops p {
  color: #c5c8d0;
}

.band-shops p:last-child {
  margin-bottom: 0;
  color: var(--paper);
}

/* Who */

.who-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.5rem;
}

.who-list li {
  padding-top: 0.85rem;
  border-top: 1px solid var(--rule);
}

/* Example */

.band-example .sec-title { max-width: 28rem; }

.example-note {
  margin: -0.7rem 0 1.6rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.compare {
  display: grid;
  gap: 1.25rem;
}

.frame {
  margin: 0;
}

.frame figcaption {
  margin-bottom: 0.45rem;
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.chrome {
  display: flex;
  gap: 0.3rem;
  padding: 0.45rem 0.65rem;
  background: #ececee;
  border: 1px solid #e4e4e6;
  border-bottom: 0;
  border-radius: 6px 6px 0 0;
}
.chrome span {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: #c9c9ce;
}

.mock {
  min-height: 16.5rem;
  border: 1px solid #e4e4e6;
  border-radius: 0 0 6px 6px;
  overflow: hidden;
}

/* Before: 2009 dealer */

.mock-before {
  background: #e8e8e8;
  font-family: "Times New Roman", Times, serif;
  letter-spacing: 0;
}

.mb-bar {
  padding: 0.35rem 0.6rem;
  background: var(--before-navy);
  color: #fff;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.68rem;
  text-align: center;
}

.mb-hero {
  padding: 0.85rem 0.7rem 0.7rem;
  background: linear-gradient(#2a3f8f, #1a2a6c);
  color: var(--before-gold);
  text-align: center;
  border-bottom: 4px solid var(--before-gold);
}

.mb-welcome {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.72rem;
  color: #fff;
}

.mb-name {
  margin: 0.2rem 0 0.15rem;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.mb-family {
  margin: 0;
  font-size: 0.72rem;
  color: #d8d0a8;
}

.mb-body {
  padding: 0.75rem 0.8rem 0.9rem;
  color: #222;
  font-size: 0.82rem;
  line-height: 1.45;
}

.mb-body p { margin: 0 0 0.55rem; }
.mb-links { font-size: 0.78rem; }
.mb-links a { color: #00e; text-decoration: underline; cursor: default; }
.mb-phone {
  margin: 0 !important;
  font-size: 0.72rem;
  color: #444;
}

/* After: clean redo */

.mock-after {
  background: #f4f2ea;
  color: #1a2a6c;
}

.ma-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 0.85rem;
  background: #1a2a6c;
  color: #ffffff;
  border-bottom: 3px solid #c9a227;
  font-size: 0.78rem;
}

.ma-mark {
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #c9a227;
}
.ma-phone {
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
  color: #ffffff;
}

.ma-main { padding: 1.15rem 0.9rem 1.25rem; }

.ma-kicker {
  margin: 0 0 0.35rem;
  font-size: 0.68rem;
  font-weight: 650;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--amber-deep);
}

.ma-h {
  margin: 0 0 0.9rem;
  font-family: var(--serif);
  font-size: 1.55rem;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.ma-cta {
  display: inline-block;
  margin: 0 0 0.75rem;
  padding: 0.42rem 0.75rem;
  background: #1a2a6c;
  color: #ffffff;
  font-size: 0.78rem;
  font-weight: 700;
  border-radius: 2px;
  box-shadow: inset 0 0 0 1.5px #c9a227;
}

.ma-meta {
  margin: 0;
  font-size: 0.75rem;
  color: #5a5c66;
}

/* Drip */

.band-drip {
  background: var(--paper-2);
}

.band-drip p {
  margin: 0;
  color: var(--ink-2);
  max-width: 34rem;
}

/* Form */

.band-form { background: var(--paper-3); }

.form-lead {
  margin: -0.6rem 0 1.4rem;
  color: var(--ink-2);
}

.sample-form {
  display: grid;
  gap: 1rem;
}

.field { display: grid; gap: 0.35rem; }

label {
  font-size: 0.88rem;
  font-weight: 600;
}

input {
  width: 100%;
  min-height: 2.75rem;
  padding: 0.55rem 0.7rem;
  border: 1px solid #c9c9ce;
  border-radius: 2px;
  background: #ffffff;
  color: var(--ink);
  font: inherit;
}

input::placeholder,
textarea::placeholder { color: #8a8d96; }

textarea {
  width: 100%;
  min-height: 5.5rem;
  padding: 0.55rem 0.7rem;
  border: 1px solid #c9c9ce;
  border-radius: 2px;
  background: #ffffff;
  color: var(--ink);
  font: inherit;
  resize: vertical;
}

fieldset.choices {
  border: 0;
  margin: 0.35rem 0 0;
  padding: 0;
}

fieldset.choices legend {
  padding: 0;
  margin-bottom: 0.45rem;
  font-size: 0.88rem;
  font-weight: 600;
}

.pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.pills.stack { display: grid; }

.pill,
.check {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  margin: 0;
  padding: 0.55rem 0.7rem;
  border: 1px solid #c9c9ce;
  border-radius: 2px;
  background: #ffffff;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
}

.pill:has(input:checked),
.check:has(input:checked) {
  border-color: var(--ink);
  background: #fff;
  box-shadow: inset 0 0 0 1px var(--ink);
}

.pill input,
.check input {
  width: auto;
  min-height: 0;
  margin: 0;
  accent-color: var(--amber);
}

.checks {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.band-form .wrap.narrow { width: min(40rem, calc(100% - 2.25rem)); }


.sample-form .btn { width: fit-content; margin-top: 0.25rem; }

.form-hint {
  margin: 0;
  color: var(--amber-deep);
  font-size: 0.9rem;
}

.thanks {
  padding: 1.5rem 0 0.25rem;
}
.thanks:focus { outline: none; }

.thanks-mark {
  margin: 0 0 0.4rem;
  font-weight: 650;
  letter-spacing: -0.04em;
  font-size: 1.2rem;
}
.thanks-mark .sub { color: var(--amber); }

.thanks-line {
  margin: 0;
  font-family: var(--serif);
  font-size: 2rem;
  letter-spacing: -0.03em;
}
.thanks p + p {
  margin-top: 0.65rem;
  color: var(--ink-2);
}




/* Change */

.change-lead {
  margin: -0.5rem 0 1.6rem;
  max-width: 36rem;
  color: var(--ink-2);
}

.change-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.5rem;
}

.change-list li {
  padding-top: 0.85rem;
  border-top: 1px solid var(--rule);
}

.change-list h3 {
  margin: 0 0 0.4rem;
  font-size: 1.15rem;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.change-list p {
  margin: 0;
  color: var(--ink-2);
}

/* Leads */

.leads-lead {
  margin: -0.5rem 0 1.6rem;
  max-width: 36rem;
  color: var(--ink-2);
}

.leads-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.5rem;
}

.leads-list li {
  padding-top: 0.85rem;
  border-top: 1px solid var(--rule);
}

.leads-list h3 {
  margin: 0 0 0.4rem;
  font-size: 1.15rem;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.leads-list p {
  margin: 0;
  color: var(--ink-2);
}

/* Price */

.band-price {
  background: var(--ink);
  color: var(--paper);
  border-bottom: 0;
}

.band-price .eyebrow {
  color: var(--amber);
}

.price-num {
  margin: 0 0 0.7rem;
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(3.4rem, 10vw, 5.6rem);
  letter-spacing: -0.045em;
  line-height: 0.95;
}

.price-num span {
  display: inline-block;
  margin-left: 0.15em;
  font-size: 0.38em;
  font-family: var(--sans);
  font-weight: 500;
  letter-spacing: -0.03em;
  color: var(--paper-2);
  vertical-align: 0.55em;
}

.price-lead {
  margin: 0;
  max-width: 22rem;
  color: #c5c8d0;
  font-size: 1.12rem;
}


/* Terms */

.terms h1.sec-title { margin-bottom: 0.7rem; }

.terms-date {
  margin: 0 0 2rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.terms h2 {
  margin: 2rem 0 0.55rem;
  font-size: 1.15rem;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.terms p { color: var(--ink-2); }

.terms-back { margin-top: 2.2rem; }

.form-agree {
  margin: 0.2rem 0 0.4rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.form-agree a,
.footer-inner a {
  color: inherit;
  text-underline-offset: 0.15em;
}

.footer-inner a:hover { color: var(--amber); }

/* Footer */

.site-footer {
  padding: 1.4rem 0 2rem;
}

.footer-inner p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}
.footer-inner .sub { color: var(--amber); }

/* Layout ≥ 720 */

@media (min-width: 720px) {
  .wrap { width: min(var(--wide), calc(100% - 3.5rem)); }
  .wrap.narrow { width: min(36rem, calc(100% - 3.5rem)); }

  .hero { padding: 5.2rem 0 5.4rem; }
  .band { padding: 4.4rem 0 4.6rem; }

  .steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }

  .who-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.75rem;
  }
  .leads-list {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
  }

  .change-list {
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
  }
  .who-list li {
    padding-top: 1rem;
  }

  .compare {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    align-items: start;
  }
}

@media (min-width: 960px) {
  .hero h1 { max-width: 16ch; }
}

.brief-kicker {
  margin: 0 0 0.4rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.brief-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-top: 0.4rem;
}

.skip-brief {
  background: none;
  border: 0;
  padding: 0;
  font: inherit;
  cursor: pointer;
}

/* Dealer-site chrome */

.util-bar {
  background: var(--ink);
  color: var(--paper);
  font-size: 0.82rem;
  letter-spacing: 0.02em;
}
.util-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.35rem 1.25rem;
  padding: 0.45rem 0;
}
.util-inner p { margin: 0; color: #c5c8d0; }

.site-header {
  background: #ffffff;
  border-bottom: 1px solid var(--rule);
  backdrop-filter: none;
}
.header-inner {
  align-items: center;
  padding: 0.7rem 0;
  gap: 1rem;
}
.header-nav {
  display: none;
  gap: 1.15rem;
  font-size: 0.92rem;
  font-weight: 550;
}
.header-nav a { text-decoration: none; color: var(--ink-2); }
.header-nav a:hover { color: var(--amber-deep); }
.header-phone {
  margin-left: auto;
  min-height: 2.55rem;
  padding: 0.5rem 0.95rem;
  background: var(--amber);
  color: #ffffff;
}
.header-phone:hover { background: var(--amber-deep); }

.hero {
  padding: 2.6rem 0 2.8rem;
  background:
    linear-gradient(180deg, #ffffff 0%, var(--paper) 100%);
}
.hero-inner { max-width: 44rem; }
.btn-lg {
  min-height: 3.25rem;
  padding: 0.8rem 1.35rem;
  font-size: 1.08rem;
  background: var(--amber);
  color: #ffffff;
}
.btn-lg:hover { background: var(--amber-deep); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  box-shadow: inset 0 0 0 1.5px var(--ink);
}
.btn-ghost:hover { background: var(--ink); color: var(--paper); }

.trust {
  list-style: none;
  margin: 1.75rem 0 0;
  padding: 1rem 0 0;
  border-top: 1px solid var(--rule);
  display: grid;
  gap: 0.45rem 1.25rem;
  color: var(--ink-2);
  font-size: 0.95rem;
  font-weight: 550;
}
.trust li { margin: 0; }

@media (min-width: 720px) {
  .header-nav { display: flex; }
  .trust {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}


/* Bright Fuelbuyer-like overrides */
.hero {
  background: #ffffff;
  padding-top: 2.8rem;
}
.hero h1,
.sec-title,
.lede,
.price-num,
.thanks-line,
.ma-h {
  font-family: var(--serif);
  font-weight: 700;
  letter-spacing: -0.04em;
}
.step-num {
  font-family: var(--sans);
  font-style: normal;
  font-weight: 700;
  color: var(--ink);
}
.eyebrow { color: var(--muted); letter-spacing: 0.14em; }
.header-phone,
.btn-lg,
.sample-form .btn,
.btn {
  background: var(--amber);
  color: #1E1F2B;
  border-radius: 999px;
  font-weight: 700;
}
.header-phone:hover,
.btn-lg:hover,
.sample-form .btn:hover,
.btn:hover {
  background: #FFD84A;
  color: #1E1F2B;
}
.btn-ghost {
  background: transparent;
  color: var(--ink);
  box-shadow: inset 0 0 0 1.5px var(--ink);
  border-radius: 999px;
}
.btn-ghost:hover {
  background: var(--ink);
  color: #fff;
}
.site-header { background: #ffffff; }
.util-bar { background: #1E1F2B; }
.util-inner p { color: #d6d8e0; }
.band-shops, .band-price { background: #1E1F2B; }
.band-shops p, .price-lead { color: #c5c8d0; }
.band-form { background: #F3F3F3; }
.wordmark .sub { color: #F5C400; }
.mock-after { background: #f4f2ea; color: #1a2a6c; }
.ma-cta { background: #1a2a6c; color: #ffffff; border-radius: 2px; box-shadow: inset 0 0 0 1.5px #c9a227; }
.ma-kicker { color: #1a2a6c; }
.ma-h { color: #1a2a6c; }
input, textarea, .pill, .check {
  background: #ffffff;
  border-color: #c9c9ce;
  border-radius: 6px;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.45rem 1rem;
}
.footer-inner .wordmark {
  font-size: 1.25rem;
}
.footer-inner p { margin: 0; }
.footer-inner .copy { flex-basis: 100%; font-size: 0.85rem; }

.ma-photo {
  display: block;
  width: 100%;
  height: 11rem;
  object-fit: cover;
  object-position: 50% 38%;
}
@media (min-width: 720px) {
  .ma-photo { height: 13.5rem; }
}

.thanks .btn { margin-top: 1.15rem; }


/* Focused sample flow */

.tiny-mark {
  display: none;
  padding: 1.1rem 0 0;
  text-align: center;
  font-weight: 800;
  letter-spacing: -0.05em;
  font-size: 1.05rem;
}
.tiny-mark span { display: inline-block; }

body.mode-brief .tiny-mark { display: block; }

body.mode-brief .util-bar,
body.mode-brief .site-header,
body.mode-brief .hero,
body.mode-brief .band:not(.band-form),
body.mode-brief .site-footer,
body.mode-brief #step-ask,
body.mode-brief .skip,
body.mode-brief #form-lead {
  display: none !important;
}

body.mode-brief .band-form {
  min-height: calc(100vh - 3rem);
  background: #ffffff;
  border-bottom: 0;
  padding-top: 1.4rem;
  padding-bottom: 4rem;
}

body.mode-brief .band-form .sec-title {
  margin-bottom: 0.55rem;
}

body.mode-think #site-chrome,
body.mode-sample #site-chrome,
body.mode-think .tiny-mark,
body.mode-sample .tiny-mark,
body.mode-think .skip,
body.mode-sample .skip {
  display: none !important;
}

.think-view {
  display: none;
  min-height: 100vh;
  align-items: center;
  justify-content: center;
  padding: 2.5rem 1.25rem;
  background: #ffffff;
}

body.mode-think .think-view {
  display: flex;
}

.think-inner {
  text-align: center;
  max-width: 22rem;
}

.think-robot {
  margin: 0 0 1.1rem;
  font-size: 3.6rem;
  line-height: 1;
  animation: think-bob 1.7s ease-in-out infinite;
}

.think-name {
  margin: 0 0 0.7rem;
  font-weight: 800;
  letter-spacing: -0.05em;
  font-size: 1.45rem;
}

.think-line {
  margin: 0;
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
  color: var(--ink-2);
}

@keyframes think-bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-7px); }
}

.sample-view {
  display: none;
  min-height: 100vh;
  background: #F3F3F3;
  padding-bottom: 3rem;
}

body.mode-sample .sample-view { display: block; }
body.mode-sample { background: #F3F3F3; }

.invite-bar {
  background: #1E1F2B;
  color: #ffffff;
  padding: 1.15rem 0;
}

.invite-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.85rem 1.25rem;
}

.invite-text {
  flex: 1 1 22rem;
  min-width: 0;
  max-width: 50rem;
}

.invite-copy {
  margin: 0;
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.12rem;
  letter-spacing: -0.025em;
  line-height: 1.35;
}

.invite-sub {
  margin: 0.4rem 0 0;
  font-family: var(--sans);
  font-weight: 500;
  font-size: 0.9rem;
  letter-spacing: 0;
  line-height: 1.4;
  color: rgba(255, 255, 255, 0.72);
}

.invite-bar .btn {
  background: var(--amber);
  color: #1E1F2B;
  flex: 0 0 auto;
}

.signup-note {
  margin: 0.9rem auto 0;
  padding: 0.95rem 1rem;
  background: #ffffff;
  border: 1px solid var(--rule);
  border-radius: 8px;
}

.signup-note p {
  margin: 0;
  color: var(--ink-2);
  font-size: 0.98rem;
}

.sample-stage {
  display: grid;
  gap: 1.15rem;
  margin-top: 1.15rem;
}

.sample-frame-wrap {
  background: #ffffff;
  border: 1px solid var(--rule);
  border-radius: 8px;
  overflow: hidden;
  min-width: 0;
}

.sample-frame-wrap .chrome {
  border: 0;
  border-bottom: 1px solid #e4e4e6;
  border-radius: 0;
}

.sample-frame {
  display: block;
  width: 100%;
  height: min(78vh, 52rem);
  min-height: 32rem;
  border: 0;
  background: #ffffff;
}

.c3-panel {
  background: #ffffff;
  border: 1px solid var(--rule);
  border-radius: 8px;
  padding: 1.15rem 1.1rem 1.25rem;
}

.c3-who {
  margin: 0 0 0.45rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  font-size: 1.15rem;
}

.c3-say {
  margin: 0 0 1rem;
  color: var(--ink-2);
  font-size: 1.02rem;
  min-height: 2.6em;
}

.c3-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 1.15rem;
}

.c3-chips button {
  appearance: none;
  margin: 0;
  padding: 0.55rem 0.75rem;
  border: 1px solid #c9c9ce;
  border-radius: 999px;
  background: #ffffff;
  color: var(--ink);
  font: inherit;
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  cursor: pointer;
  text-align: left;
}

.c3-chips button:hover,
.c3-chips button.is-on {
  border-color: var(--ink);
  box-shadow: inset 0 0 0 1px var(--ink);
}

.c3-chips button:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.c3-ask label {
  display: block;
  margin-bottom: 0.4rem;
}

.c3-ask-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.c3-ask-row input {
  flex: 1 1 12rem;
}

.c3-ask-row .btn {
  width: auto;
  margin: 0;
}

@media (min-width: 960px) {
  .sample-stage {
    grid-template-columns: minmax(0, 1fr) minmax(17.5rem, 21rem);
    align-items: start;
    gap: 1.25rem;
  }
  .c3-panel {
    position: sticky;
    top: 0.85rem;
  }
  .sample-frame { height: 78vh; }
}


/* Thinking dots + direction picker (2026-08-26c) */

.think-line .think-dots {
  display: inline-block;
  min-width: 1.4em;
  text-align: left;
}
.think-line .think-dots::after {
  content: "";
  animation: think-dots 1.15s steps(1, end) infinite;
}
@keyframes think-dots {
  0% { content: ""; }
  20% { content: "."; }
  40% { content: ".."; }
  60% { content: "..."; }
  80% { content: "…."; }
  100% { content: ""; }
}

.c3-dirs {
  display: grid;
  gap: 0.45rem;
  margin: 0 0 1.25rem;
}
.c3-dirs p {
  margin: 0 0 0.15rem;
  font-size: 0.82rem;
  font-weight: 650;
  color: var(--muted);
}
.c3-dirs button {
  appearance: none;
  margin: 0;
  padding: 0.7rem 0.8rem;
  border: 1px solid #c9c9ce;
  border-radius: 8px;
  background: #ffffff;
  color: var(--ink);
  font: inherit;
  font-size: 0.95rem;
  font-weight: 650;
  letter-spacing: -0.015em;
  cursor: pointer;
  text-align: left;
}
.c3-dirs button small {
  display: block;
  margin-top: 0.15rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--muted);
}
.c3-dirs button:hover,
.c3-dirs button.is-on {
  border-color: var(--ink);
  box-shadow: inset 0 0 0 1px var(--ink);
}
.c3-dirs button:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}
.c3-say-2 {
  margin: 0 0 0.75rem;
  color: var(--ink-2);
  font-size: 0.98rem;
}

/* Hero subhead stays body copy, not a second display head */
.subhead {
  max-width: 36rem;
  font-family: var(--sans);
  font-weight: 400;
  font-size: 1.15rem;
  line-height: 1.5;
  letter-spacing: -0.011em;
  color: var(--ink-2);
}

/* Result screen: Talk to C3H8 is the conversation (2026-08-26) */

.invite-me {
  margin: 0.45rem 0 0;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0;
  line-height: 1.4;
  color: #F5C400;
}

.c3-panel {
  padding: 1.25rem 1.15rem 1.35rem;
  box-shadow: 0 0 0 2px #1E1F2B;
}

.c3-title {
  margin: 0 0 0.55rem;
  font-family: var(--serif);
  font-weight: 800;
  font-size: clamp(1.7rem, 3.5vw, 2.15rem);
  letter-spacing: -0.04em;
  line-height: 1.1;
}

.c3-ask-lead {
  margin: 0 0 1rem;
  color: var(--ink);
  font-size: 1.05rem;
  line-height: 1.4;
}

.c3-ask {
  margin: 0 0 1rem;
}

.c3-ask label {
  display: block;
  margin-bottom: 0.4rem;
  font-weight: 700;
}

.c3-ask textarea {
  width: 100%;
  min-height: 8.5rem;
  padding: 0.8rem 0.85rem;
  border: 2px solid #1E1F2B;
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-size: 1.05rem;
  line-height: 1.4;
  resize: vertical;
}

.c3-ask-btn {
  width: 100%;
  margin-top: 0.6rem;
  min-height: 3.1rem;
  font-size: 1.05rem;
}

.c3-say {
  margin: 0 0 1rem;
  padding: 0.7rem 0.8rem;
  background: #F3F3F3;
  border-radius: 8px;
  color: var(--ink-2);
  font-size: 0.98rem;
  min-height: 0;
}

.c3-or {
  margin: 0 0 0.5rem;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--muted);
}

.c3-chips {
  margin-bottom: 1.35rem;
}

.c3-looks {
  padding-top: 1.05rem;
  border-top: 1px solid var(--rule);
}

.c3-looks-label {
  margin: 0 0 0.2rem;
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.c3-looks-note {
  margin: 0 0 0.7rem;
  font-size: 0.82rem;
  color: var(--muted);
}

.c3-dirs {
  margin: 0;
}

@media (min-width: 960px) {
  .sample-stage {
    grid-template-columns: minmax(0, 1fr) minmax(20rem, 24rem);
  }
}


/* C3H8 character — Andrew's pencil sketches (bright-8) */

.hero-inner {
  max-width: none;
  display: grid;
  gap: 1.25rem 2rem;
}

.hero-copy { max-width: 44rem; }

.hero-bot {
  margin: 0.15rem 0 0.25rem;
  max-width: 20.5rem;
  justify-self: start;
}

.hero-bot img {
  width: 100%;
  height: auto;
}

.hero-bot figcaption {
  margin: 0.4rem 0 0;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--muted);
}

@media (min-width: 860px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1fr) minmax(17rem, 21.5rem);
    align-items: center;
  }
  .hero-copy { grid-column: 1; max-width: none; }
  .hero-bot {
    grid-column: 2;
    grid-row: 1 / span 4;
    max-width: none;
    margin: 0;
    align-self: center;
    justify-self: end;
  }
  .hero-actions { grid-column: 1; }
  .trust { grid-column: 1; }
}

/* Login / talk — sitting at a desk */
.change-layout {
  display: grid;
  gap: 1.1rem 1.75rem;
}

.change-bot {
  margin: 0 0 0.15rem;
  max-width: 13.5rem;
}

.change-bot img {
  width: 100%;
  height: auto;
}

.change-copy .change-lead { margin-top: 0; }

@media (min-width: 720px) {
  .change-layout {
    grid-template-columns: 13rem minmax(0, 1fr);
    align-items: start;
  }
  .change-bot {
    max-width: none;
    margin: 0.15rem 0 0;
  }
  .change-list { grid-column: 1 / -1; }
}

/* Think screen: sitting sketch instead of emoji */
.think-robot {
  font-size: inherit;
  line-height: 0;
}
.think-inner {
  max-width: 28rem;
}
.think-robot img {
  width: min(22rem, 78vw);
  height: auto;
  margin: 0 auto;
}

/* Sample talk chrome — conversation has a face */
.invite-who {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  flex: 1 1 22rem;
  min-width: 0;
}

.invite-bot {
  flex: 0 0 auto;
  width: 4.35rem;
  height: 4.35rem;
  object-fit: contain;
  background: #ffffff;
  border-radius: 6px;
}

.invite-who .invite-text {
  flex: 1 1 auto;
  max-width: none;
}

.c3-head {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin: 0 0 0.55rem;
}

.c3-face {
  flex: 0 0 auto;
  width: 3.5rem;
  height: 3.5rem;
  object-fit: contain;
  background: #ffffff;
}

.c3-head .c3-title { margin: 0; }

/* Mobile: talk field + button first, not buried under the iframe */
@media (max-width: 959px) {
  .sample-stage {
    grid-template-areas: "panel" "frame";
  }
  .c3-panel { grid-area: panel; }
  .sample-frame-wrap { grid-area: frame; }
  .c3-ask textarea { min-height: 6rem; }
  .c3-ask-lead { margin-bottom: 0.7rem; }
  .sample-frame {
    min-height: 18rem;
    height: 55vh;
  }
  .invite-bot {
    width: 3.6rem;
    height: 3.6rem;
  }
}


/* Leads illustration */
.leads-layout {
  display: grid;
  gap: 1.25rem 2rem;
}
.leads-bot {
  margin: 0.2rem 0 0;
}
.leads-bot img {
  width: 100%;
  height: auto;
}
@media (min-width: 860px) {
  .leads-layout {
    grid-template-columns: minmax(16rem, 28rem) minmax(0, 1fr);
    align-items: center;
  }
  .leads-lead { max-width: none; }
}


/* Copy on white, video as a standalone band */
.hero.hero-stack {
  padding: 0;
  border-bottom: 0;
  background: #ffffff;
}
.hero-stack .hero-inner {
  position: static;
  display: block;
  max-width: none;
  padding: 2.8rem 0 2.2rem;
}
.hero-stack .hero-copy {
  max-width: none;
}
.hero-stack .hero-copy h1 {
  max-width: none;
  font-size: clamp(2.6rem, 7.2vw, 5.6rem);
  line-height: 0.98;
}
.hero-stack .trust {
  background: transparent;
}
.hero-band {
  width: 100%;
  aspect-ratio: 16 / 9;
  max-height: none;
  min-height: 18rem;
  overflow: hidden;
  background: #ececec;
  border-top: 1px solid var(--rule);
}
.hero-band video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 62%;
}
@media (max-width: 720px) {
  .hero-stack .hero-inner {
    padding: 2.1rem 0 1.7rem;
  }
  .hero-band {
    aspect-ratio: 16 / 9;
    max-height: none;
    min-height: 13rem;
  }
  .hero-band video {
    object-position: center 58%;
  }
}

.c3-say.is-flash {
  background: #F5C400;
  color: #1E1F2B;
  font-weight: 700;
}