/* Skribe landing page — composed entirely from Skribe Design System tokens.
   Oat ground, paper surfaces, ink hairlines, Space Mono chrome, Inter prose,
   sky-blue interaction, mellow-yellow mark, one hard offset shadow. */

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
}

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

.wrap {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 32px;
}

/* shared chrome label */
.eyebrow {
  font-family: var(--font-mono);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--label-tracking-wide);
  font-size: var(--text-label);
  color: var(--muted);
  margin: 0;
}

.section-head {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 44px;
  max-width: 640px;
}
.section-head h2 {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(28px, 3.4vw, 38px);
  line-height: 1.15;
  letter-spacing: 0.005em;
  margin: 0;
  color: var(--text-strong);
}
.section-head p {
  margin: 0;
  font-size: 17px;
  line-height: var(--leading-prose);
  color: var(--muted);
  text-wrap: pretty;
}

/* ============ TOPBAR ============ */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--canvas-oat) 86%, transparent);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--line-ink);
}
.topbar__inner {
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-strong);
}
.brand__icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: block;
  border: 1px solid var(--line-ink);
}
.brand__name {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.topbar__nav {
  display: flex;
  align-items: center;
  gap: 8px;
}
.navlink {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: var(--text-label);
  letter-spacing: var(--label-tracking);
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  padding: 8px 10px;
  border-radius: var(--radius);
  transition: color 140ms ease, background 140ms ease;
}
.navlink:hover { color: var(--text-strong); background: var(--surface-hover); }
.topbar__nav .nav-hide-sm { }
@media (max-width: 760px) {
  .nav-hide-sm { display: none; }
}

/* ============ HERO ============ */
.hero {
  padding: clamp(56px, 9vw, 104px) 0 clamp(40px, 6vw, 64px);
  text-align: center;
}
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
  margin-bottom: 26px;
}
.hero h1 {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(38px, 6.2vw, 72px);
  line-height: 1.04;
  letter-spacing: -0.01em;
  margin: 0 auto;
  max-width: 16ch;
  color: var(--text-strong);
  text-wrap: balance;
}
.hero h1 .mark {
  background: var(--mark-fill);
  box-shadow: inset 0 -0.34em 0 var(--mark-underline);
  padding: 0 4px;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}
.hero__sub {
  margin: 28px auto 0;
  max-width: 600px;
  font-size: clamp(17px, 1.6vw, 20px);
  line-height: var(--leading-prose);
  color: var(--ink);
  text-wrap: pretty;
}
.hero__sub strong { color: var(--text-strong); font-weight: 600; }

/* command CTA — the main action */
.cta {
  margin: 40px auto 0;
  width: 100%;
  max-width: 560px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.cmd {
  width: 100%;
  display: flex;
  align-items: stretch;
  border: 1px solid var(--line-ink);
  background: var(--paper-white);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 160ms var(--ease-spring), box-shadow 160ms var(--ease-spring);
}
.cmd:hover { transform: var(--lift); box-shadow: var(--hard-shadow); }
.cmd__text {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 18px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--text-strong);
  text-align: left;
  white-space: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
}
.cmd__text::-webkit-scrollbar { display: none; }
.cmd__prompt { color: var(--accent); user-select: none; }
.cmd__copy {
  flex: none;
  border: 0;
  border-left: 1px solid var(--line-ink);
  background: var(--sky-blue);
  color: var(--accent-ink);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: var(--label-tracking);
  text-transform: uppercase;
  padding: 0 22px;
  min-height: 56px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  transition: background 140ms ease;
}
.cmd__copy:hover { background: color-mix(in srgb, var(--sky-blue) 84%, var(--coal)); }
.cmd__copy.is-copied { background: var(--aqua-teal); }
.cmd__copy svg { width: 16px; height: 16px; }
.cta__note {
  font-size: 13.5px;
  color: var(--muted);
  margin: 0;
  line-height: 1.5;
}
.cta__note a { color: var(--link); text-decoration: none; border-bottom: 1px solid color-mix(in srgb, var(--link) 40%, transparent); }
.cta__note a:hover { color: var(--text-strong); }

/* trust pills */
.trust {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin: 36px auto 0;
}

/* ============ PRODUCT SHOT ============ */
.showcase { padding: clamp(40px, 6vw, 72px) 0 clamp(48px, 7vw, 88px); }
.window {
  border: 1px solid var(--line-ink);
  background: var(--paper-white);
  box-shadow: var(--hard-shadow);
  border-radius: var(--radius);
  overflow: hidden;
}
.window__bar {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 38px;
  padding: 0 14px;
  border-bottom: 1px solid var(--line-ink);
  background: var(--smoke-gray);
}
.window__dots { display: flex; gap: 7px; }
.window__dots i {
  width: 11px; height: 11px;
  border-radius: 50%;
  border: 1px solid var(--line-ink);
  display: block;
}
.window__dots i:nth-child(1) { background: var(--coral-red); }
.window__dots i:nth-child(2) { background: var(--mellow-yellow); }
.window__dots i:nth-child(3) { background: var(--aqua-teal); }
.window__title {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 10.5px;
  letter-spacing: var(--label-tracking);
  text-transform: uppercase;
  color: var(--muted);
  margin-left: 6px;
}
.window img { display: block; width: 100%; height: auto; }

/* ============ FEATURES ============ */
.section { padding: clamp(48px, 7vw, 96px) 0; }
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--line-ink);
  background: var(--line-ink);
}
.feature {
  background: var(--paper-white);
  padding: 30px 28px 34px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
  transition: background 140ms ease;
}
.feature:hover { background: var(--frost-blue); }
.feature__icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-ink);
  border-radius: var(--radius);
  background: var(--canvas-oat);
  color: var(--text-strong);
}
.feature__icon svg { width: 21px; height: 21px; }
.feature h3 {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: var(--label-tracking);
  text-transform: uppercase;
  color: var(--text-strong);
  margin: 0;
}
.feature p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--muted);
  text-wrap: pretty;
}
@media (max-width: 900px) { .features-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .features-grid { grid-template-columns: 1fr; } }

/* ============ THREADS VS CHAT ============ */
.duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.duo-card {
  border: 1px solid var(--line-ink);
  background: var(--paper-white);
  padding: 30px 30px 34px;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: transform 160ms var(--ease-spring), box-shadow 160ms var(--ease-spring);
}
.duo-card:hover { transform: var(--lift); box-shadow: var(--hard-shadow); }
.duo-card__tab {
  position: absolute;
  top: -1px; right: 26px;
  height: 22px;
  padding: 0 12px;
  display: inline-flex;
  align-items: center;
  background: var(--mellow-yellow);
  border: 1px solid var(--line-ink);
  border-top: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 9.5px;
  letter-spacing: var(--label-tracking);
  text-transform: uppercase;
  color: var(--coal);
}
.duo-card h3 {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-strong);
}
.duo-card h3 svg { width: 22px; height: 22px; color: var(--accent); }
.duo-row { display: flex; flex-direction: column; gap: 6px; }
.duo-row__k {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 10px;
  letter-spacing: var(--label-tracking);
  text-transform: uppercase;
  color: var(--accent);
}
.duo-row__v { font-size: 15px; line-height: 1.6; color: var(--ink); margin: 0; text-wrap: pretty; }
.duo-foot {
  margin: 26px auto 0;
  text-align: center;
  font-size: 16px;
  line-height: var(--leading-prose);
  color: var(--muted);
  max-width: 620px;
  text-wrap: balance;
}
.duo-foot strong { color: var(--text-strong); font-weight: 600; }
@media (max-width: 760px) { .duo { grid-template-columns: 1fr; } }

/* skills band */
.skills {
  margin-top: 40px;
  border: 1px solid var(--line-ink);
  background: var(--smoke-gray);
  padding: 28px 30px;
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
}
.skills__copy { flex: 1; min-width: 240px; }
.skills__copy p { margin: 8px 0 0; font-size: 14.5px; line-height: 1.6; color: var(--muted); max-width: 460px; }
.skills__chips { display: flex; flex-wrap: wrap; gap: 8px; max-width: 360px; }

/* ============ SHOTS ============ */
.shots { display: flex; flex-direction: column; gap: clamp(40px, 6vw, 72px); }
.shot {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 44px;
  align-items: center;
}
.shot--rev { grid-template-columns: 1.15fr 0.85fr; }
.shot--rev .shot__text { order: 2; }
.shot__text { display: flex; flex-direction: column; gap: 14px; }
.shot__text h3 {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(22px, 2.6vw, 30px);
  letter-spacing: 0.01em;
  margin: 0;
  color: var(--text-strong);
}
.shot__text p { margin: 0; font-size: 16px; line-height: var(--leading-prose); color: var(--muted); text-wrap: pretty; }
@media (max-width: 820px) {
  .shot, .shot--rev { grid-template-columns: 1fr; gap: 24px; }
  .shot--rev .shot__text { order: 0; }
}

/* ============ QUICK START ============ */
.quickstart { background: var(--paper-white); border-top: 1px solid var(--line-ink); border-bottom: 1px solid var(--line-ink); }
.qs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 8px;
}
.qs-card {
  border: 1px solid var(--line-ink);
  background: var(--canvas-oat);
  padding: 26px 26px 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.qs-card__label {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 10px;
  letter-spacing: var(--label-tracking-wide);
  text-transform: uppercase;
  color: var(--muted);
}
.codeblock {
  background: var(--coal);
  border: 1px solid var(--line-ink);
  border-radius: var(--radius);
  padding: 16px 18px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.7;
  color: #f4efea;
  overflow-x: auto;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.codeblock .ln { white-space: nowrap; }
.codeblock .c { color: #818181; }
.codeblock .p { color: var(--sky-blue); }
.qs-req { margin: 0; font-size: 14px; line-height: 1.65; color: var(--muted); }
.qs-req strong { color: var(--text-strong); font-weight: 600; font-family: var(--font-mono); font-size: 12px; letter-spacing: var(--label-tracking); text-transform: uppercase; }
@media (max-width: 760px) { .qs-grid { grid-template-columns: 1fr; } }

/* ============ FOOTER ============ */
.footer {
  padding: 56px 0 44px;
}
.footer__inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.footer__brand { display: flex; flex-direction: column; gap: 12px; max-width: 360px; }
.footer__brand p { margin: 0; font-size: 14px; line-height: 1.6; color: var(--muted); }
.footer__links { display: flex; gap: 56px; flex-wrap: wrap; }
.footer__col { display: flex; flex-direction: column; gap: 10px; }
.footer__col h4 {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 10px;
  letter-spacing: var(--label-tracking-wide);
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 4px;
}
.footer__col a {
  font-size: 14px;
  color: var(--ink);
  text-decoration: none;
  transition: color 140ms ease;
}
.footer__col a:hover { color: var(--accent); }
.footer__legal {
  margin-top: 44px;
  padding-top: 22px;
  border-top: 1px solid var(--line-ink);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: var(--label-tracking);
  text-transform: uppercase;
  color: var(--muted);
}

/* github mark sizing in buttons */
.gh-mark { width: 15px; height: 15px; display: block; }