@import "tokens/fonts.css";
@import "tokens/colors.css";
@import "tokens/typography.css";
@import "tokens/spacing.css";
@import "tokens/motion.css";

/* Base */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { overflow-x: hidden; max-width: 100%; }
img { max-width: 100%; display: block; }
a { color: var(--link); }
p { margin: 0; }

.wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 32px;
}

section {
  padding: var(--space-9) 0;
  border-top: 1px solid var(--rule);
}

.eyebrow {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-mono-label);
  text-transform: uppercase;
  color: var(--graphite);
  margin-bottom: var(--space-3);
}

h1 {
  font-size: var(--text-4xl);
  max-width: 15ch;
}

.headline-plain {
  white-space: nowrap;
}

.headline-ai {
  padding: 0;
  border-radius: 0;
  background: var(--proof-tint);
  color: var(--ink);
}

h2.section-title {
  font-size: var(--text-2xl);
  max-width: 26ch;
}

p.lede {
  font-size: var(--text-md);
  color: var(--graphite);
  max-width: var(--measure-site);
  margin-top: var(--space-4);
}

.headline {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  line-height: var(--leading-snug);
  color: var(--ink);
  max-width: 36ch;
}

.mono-line {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--graphite);
  line-height: 1.7;
}

.plain-label {
  display: inline-flex;
  align-items: baseline;
  gap: 0;
  font-family: var(--font-mono);
  font-size: var(--text-base);
  line-height: 1.2;
  padding: 0.12em 0.34em;
  border-radius: var(--radius-sm);
  background: var(--proof-tint);
  color: var(--proof-deep);
  vertical-align: baseline;
}

.plain-label .plain-prefix { font-weight: var(--weight-medium); }
.plain-label .plain-name { font-weight: var(--weight-display); }

/* Wordmark */
.wordmark { display: inline-block; line-height: 1; text-decoration: none; }
.wordmark .word {
  font-family: var(--font-display);
  font-weight: var(--weight-display);
  letter-spacing: -0.02em;
  color: var(--ink);
}
.wordmark .ai { position: relative; }
.wordmark .ai::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.14em;
  height: 2px;
  background: var(--trace);
}

/* Nav */
.site-header {
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-header .wrap {
  padding: 18px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.site-nav {
  display: flex;
  gap: 26px;
  align-items: center;
}

.site-nav a.nav-link {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--ink);
  text-decoration: none;
}

.site-nav a.nav-link:hover {
  color: var(--proof);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.nav-toggle { display: none; }

/* Buttons */
.btn {
  font-family: var(--font-body);
  font-weight: var(--weight-semibold);
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  line-height: 1.2;
  text-decoration: none;
  transition: background-color var(--duration-micro) var(--ease-out), color var(--duration-micro) var(--ease-out), border-color var(--duration-micro) var(--ease-out);
  border: 1px solid var(--ink);
}

.btn-lg { font-size: var(--text-md); padding: 13px 26px; }
.btn-md { font-size: var(--text-base); padding: 10px 20px; }

.btn-primary { background: var(--ink); color: var(--paper); }
.btn-primary:hover { background: #2B2F33; border-color: #2B2F33; }

.btn-secondary { background: transparent; color: var(--ink); }
.btn-secondary:hover { background: var(--mist); }

/* Shared elements */
.card {
  background: var(--surface-card);
  border-radius: var(--radius-md);
  box-shadow: var(--elevation-flat);
  padding: var(--space-5);
}

.timestamp {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  border: 1px solid var(--rule);
  color: var(--graphite);
  border-radius: var(--radius-full);
  padding: 3px 12px;
  white-space: nowrap;
}

.timestamp .shown { color: var(--proof); font-weight: 500; }

.byfriday-stamp {
  display: inline-block;
  border: 2px solid var(--ink);
  padding: 12px 24px;
  font-family: var(--font-display);
  font-weight: var(--weight-display);
  letter-spacing: var(--tracking-display);
  font-size: 30px;
  line-height: 1.05;
  color: var(--ink);
}

.byfriday-stamp .note {
  display: block;
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 10px;
  letter-spacing: var(--tracking-mono-label);
  text-transform: uppercase;
  color: var(--proof);
  margin-top: 6px;
}

/* Proposition */
.proposition {
  padding-top: 88px;
  padding-bottom: 72px;
}

.problem-banner {
  margin-top: 56px;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  background: transparent;
}

.problem-marquee-viewport {
  overflow: hidden;
  padding: 6px 0;
}

.problem-marquee-track {
  display: flex;
  will-change: transform;
  width: max-content;
  animation: marquee-left 130s linear infinite;
}

.problem-marquee-set {
  display: flex;
  gap: 44px;
}

.problem-marquee-track:hover {
  animation-play-state: paused;
}

.problem-banner-item {
  width: min(520px, 92vw);
  min-width: min(520px, 92vw);
  padding: 6px 4px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  gap: 10px;
  text-align: left;
}

.problem-banner-copy {
  font-family: var(--font-display);
  font-weight: var(--weight-display);
  font-size: var(--text-lg);
  letter-spacing: var(--tracking-display);
  line-height: 1.35;
  color: var(--ink);
}

.problem-banner-link {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  line-height: 1.7;
  border-left: 2px solid var(--trace);
  padding-left: 14px;
  text-decoration: none;
  color: var(--graphite);
}

@keyframes marquee-left {
  from { transform: translateX(0); }
  to { transform: translateX(calc(-1 * var(--marquee-distance, 0px))); }
}

.claim-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 40px;
  margin-top: 56px;
}

.claim-proof {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.claim-proof .claim {
  font-family: var(--font-display);
  font-weight: var(--weight-display);
  letter-spacing: var(--tracking-display);
  font-size: var(--text-lg);
  line-height: var(--leading-snug);
  color: var(--ink);
}

.claim-proof .proof {
  border-left: 2px solid var(--trace);
  padding-left: 14px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  line-height: 1.7;
  color: var(--graphite);
}

.claim-proof .proof a { color: var(--proof); text-underline-offset: 2px; }

/* Journey */
.platform-chip {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  border: 1px solid var(--rule);
  border-radius: var(--radius-md);
  padding: 10px 16px;
  margin-top: var(--space-7);
  display: flex;
  gap: 10px;
  align-items: baseline;
  flex-wrap: wrap;
}

.platform-chip .chip-key {
  color: var(--ink);
  font-weight: var(--weight-display);
  font-size: var(--text-base);
}

.platform-chip .chip-copy { color: var(--graphite); }
.platform-chip a { color: var(--proof); }

.journey-grid {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.stage {
  border-top: 2px solid var(--proof);
  padding-top: 14px;
}

.stage-index {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--proof);
  display: inline-block;
  margin-bottom: 6px;
}

.stage h3 {
  font-size: 18px;
  line-height: 1.2;
}

.stage-question {
  font-size: 14px;
  font-style: italic;
  color: var(--graphite);
  margin: 8px 0 16px;
}

.stage-offers {
  display: grid;
  gap: 10px;
}

.offer-card {
  border: 1px solid var(--rule);
  border-radius: var(--radius-md);
  background: #FFFFFF;
  padding: 12px 14px;
}

.offer-card strong {
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: -0.01em;
}

.offer-card em {
  display: block;
  margin-top: 4px;
  font-style: normal;
  line-height: 1.4;
}

.offer-card p {
  margin-top: 6px;
  font-size: 13px;
  color: var(--graphite);
}

.offer-tag {
  float: right;
  font-family: var(--font-mono);
  font-size: 10px;
  border-radius: var(--radius-full);
  padding: 1px 7px;
}

.offer-tag.free { border: 1px solid var(--ink); color: var(--ink); }
.offer-tag.paid { background: var(--ink); color: var(--paper); padding: 2px 8px; }
.offer-tag.cond { border: 1px dashed var(--graphite); color: var(--graphite); }
.offer-tag.rnd { border: 1px solid var(--proof); color: var(--proof); }
.offer-tag.sub { background: var(--graphite); color: var(--paper); padding: 2px 8px; }

.across-stage {
  border: 1px solid var(--rule);
  border-radius: var(--radius-md);
  background: var(--mist);
  padding: 24px 28px;
  margin-top: 44px;
}

.across-stage h3 {
  font-size: 19px;
  margin-bottom: 16px;
}

.across-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
}

.across-title {
  margin: 0;
  font-weight: var(--weight-semibold);
  font-size: 16px;
}

.across-title span { font-size: var(--text-base); }

.across-grid p:last-child {
  margin-top: 6px;
  font-size: 14px;
  color: var(--graphite);
}

/* Offering */
.offering-layout {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 56px;
  margin-top: 40px;
  align-items: start;
}

.offering-layout h3 {
  font-size: 17px;
  margin: 0 0 10px;
}

.offering-layout p {
  font-size: 16px;
  line-height: 1.5;
  color: var(--graphite);
  margin: 0 0 10px;
}

.offering-layout ul {
  margin: 0;
  padding-left: 20px;
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink);
}

.offering-side {
  display: grid;
  gap: 16px;
}

.offering-side .card p {
  margin-top: 8px;
  font-size: 15px;
  line-height: 1.5;
  color: var(--graphite);
}

.proof-card {
  border-left: 2px solid var(--proof);
}

.proof-card .mono-line { color: var(--proof); }

/* How */
.manifesto {
  background: var(--surface-inverse);
}

.manifesto .eyebrow { color: var(--rule); }

.manifesto h2 {
  color: var(--paper);
  max-width: 22ch;
}

.manifesto .plain-label,
.how-grid .plain-label {
  background: #0A5C37;
  color: #E7F3EC;
}

.how-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 40px;
  margin-top: 48px;
}

.how-grid .mono-line { color: #7FCBA4; margin-bottom: 8px; }

.how-grid .mono-line,
.platform-grid .mono-line {
  font-size: var(--text-base);
}

.how-grid h3 {
  color: var(--paper);
  font-size: 17px;
  font-family: var(--font-body);
  font-weight: var(--weight-semibold);
  letter-spacing: 0;
}

.how-grid p {
  color: var(--rule);
  font-size: 15px;
  line-height: 1.5;
  margin-top: 8px;
}

/* Platform and pricing */
.platform-grid,
.pricing-grid {
  display: grid;
  gap: 20px;
  margin-top: 36px;
}

.platform-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.pricing-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.platform-grid .card h3,
.pricing-grid .card h3 {
  font-size: 20px;
}

.platform-grid .card p,
.pricing-grid .card p {
  margin-top: 10px;
  color: var(--graphite);
}

.pricing-section { background: var(--mist); }

/* Start */
.start-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 56px;
  align-items: center;
}

.start-grid .cta-row {
  display: flex;
  gap: 12px;
  margin-top: 28px;
  flex-wrap: wrap;
}

.start-grid .byfriday-stamp {
  justify-self: end;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--rule);
}

.site-footer .wrap {
  padding: 40px 32px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 32px;
  flex-wrap: wrap;
}

.footer-blurb {
  font-size: var(--text-sm);
  color: var(--graphite);
  max-width: 320px;
  margin-top: 14px;
}

.footer-links {
  display: flex;
  gap: 48px;
  font-size: var(--text-sm);
  flex-wrap: wrap;
}

.footer-col {
  display: grid;
  gap: 8px;
}

.footer-col a {
  color: var(--ink);
  text-decoration: none;
}

.footer-col a:hover {
  color: var(--proof);
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 1100px) {
  .journey-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .claim-grid { grid-template-columns: 1fr; gap: 24px; }
  .platform-grid { grid-template-columns: 1fr; }
  .offering-layout,
  .start-grid { grid-template-columns: 1fr; }
  .start-grid .byfriday-stamp { justify-self: start; }
}

@media (max-width: 900px) {
  .site-nav { display: none; }

  .site-nav.open {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--rule);
    flex-direction: column;
    gap: 0;
    padding: 8px 0;
  }

  .site-nav.open a.nav-link { padding: 12px 32px; }
  .site-nav.open .btn { margin: 8px 32px; }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 1px solid var(--ink);
    background: transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-family: var(--font-mono);
    font-size: 12px;
  }

  h1 { font-size: var(--text-3xl); }
}

@media (max-width: 700px) {
  .journey-grid,
  .across-grid,
  .how-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .wrap,
  .site-header .wrap,
  .site-footer .wrap {
    padding-left: 20px;
    padding-right: 20px;
  }

  section { padding: 72px 0; }
  h1 { font-size: var(--text-2xl); }
  h2.section-title { font-size: var(--text-xl); }

  .problem-banner-item {
    padding: 6px 2px;
    justify-content: flex-start;
    text-align: left;
  }

  .problem-banner-copy {
    font-size: var(--text-lg);
  }

  .timestamp {
    white-space: normal;
    flex-wrap: wrap;
    border-radius: var(--radius-md);
  }

  .start-grid .cta-row {
    flex-direction: column;
    align-items: stretch;
  }
}