/* kliplet.com — single-file stylesheet. No JS, no third-party CSS. */

:root {
  --bg: #fafaf7;
  --bg-elev: #ffffff;
  --ink: #1a1a1a;
  --ink-muted: #525252;
  --ink-soft: #8a8a8a;
  --accent: #2563eb;
  --accent-ink: #ffffff;
  --line: #e6e3dc;
  --success: #16a34a;
  --warn: #f59e0b;
  --danger: #dc2626;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 6px 24px rgba(20, 20, 20, 0.06);
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --maxw: 1080px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15151a;
    --bg-elev: #1d1d24;
    --ink: #f3f3f0;
    --ink-muted: #b3b3b0;
    --ink-soft: #8a8a87;
    --line: #2a2a32;
    --accent: #60a5fa;
    --accent-ink: #0a0a14;
    --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.35);
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}
a:hover { text-decoration: none; }

main, header, footer, section {
  width: 100%;
}

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Top nav ---------- */

.nav {
  border-bottom: 1px solid var(--line);
  background: var(--bg);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  max-width: var(--maxw);
  margin: 0 auto;
}
.nav__brand {
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.nav__brand-mark {
  width: 24px;
  height: 24px;
  display: block;
  flex: 0 0 24px;
  object-fit: contain;
}
.nav__links {
  display: flex;
  gap: 22px;
  font-size: 15px;
}
.nav__links a {
  color: var(--ink-muted);
  text-decoration: none;
}
.nav__links a:hover { color: var(--ink); }

@media (max-width: 560px) {
  .nav__inner {
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 12px;
  }
  .nav__links {
    flex-wrap: wrap;
    gap: 8px 16px;
    width: 100%;
  }
}

/* ---------- Hero ---------- */

.hero {
  padding: 80px 0 56px;
  text-align: center;
}
.hero__eyebrow {
  display: inline-block;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
  margin-bottom: 18px;
  font-weight: 600;
}
.hero__title {
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
  font-weight: 700;
}
.hero__title em {
  font-style: normal;
  color: var(--accent);
}
.hero__lede {
  max-width: 640px;
  margin: 0 auto 32px;
  color: var(--ink-muted);
  font-size: 19px;
}

.cta-row {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.btn {
  display: inline-block;
  padding: 14px 22px;
  border-radius: var(--radius);
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform 80ms ease, box-shadow 80ms ease;
}
.btn--primary {
  background: var(--accent);
  color: var(--accent-ink);
  box-shadow: var(--shadow-sm);
}
.btn--primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn--ghost:hover { border-color: var(--ink); }

.cta-sub {
  color: var(--ink-soft);
  font-size: 14px;
  margin-top: 2px;
}

/* ---------- Demo mockup ---------- */

.demo {
  margin: 56px auto 0;
  max-width: 880px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow-md);
  overflow: hidden;
}
.demo__chrome {
  display: flex;
  gap: 6px;
  padding: 12px 16px;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}
.demo__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--line);
}
.demo__body {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 0;
  min-height: 360px;
}
.demo__article {
  padding: 32px 36px;
  border-right: 1px solid var(--line);
}
.demo__article h3 {
  font-size: 22px;
  margin: 0 0 10px;
  letter-spacing: -0.01em;
}
.demo__article-meta {
  color: var(--ink-soft);
  font-size: 13px;
  margin-bottom: 18px;
}
.demo__article p {
  color: var(--ink-muted);
  font-size: 14px;
  margin: 0 0 12px;
}
.demo__article mark {
  background: rgba(245, 222, 70, 0.45);
  color: inherit;
  padding: 0 2px;
  border-radius: 2px;
}
.demo__popup {
  padding: 24px 22px;
  background: var(--bg-elev);
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.demo__popup h4 {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
}
.demo__target {
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 14px;
}
.demo__target-mark {
  width: 18px;
  height: 18px;
  border-radius: 4px;
  background: var(--line);
  flex-shrink: 0;
}
.demo__target--notion .demo__target-mark { background: #000; }
.demo__target--obsidian .demo__target-mark { background: #7a3ad0; }
.demo__target--md .demo__target-mark {
  background: var(--bg);
  border: 1px solid var(--line);
}
.demo__target-name { color: var(--ink); font-weight: 500; }
.demo__target-sub { color: var(--ink-soft); font-size: 12px; }
.demo__save {
  background: var(--accent);
  color: var(--accent-ink);
  border-radius: var(--radius-sm);
  text-align: center;
  padding: 10px 12px;
  font-weight: 600;
  font-size: 14px;
}
.demo__hint {
  font-size: 12px;
  color: var(--ink-soft);
  text-align: center;
  margin-top: -6px;
}

@media (max-width: 760px) {
  .demo__body { grid-template-columns: 1fr; }
  .demo__article { border-right: 0; border-bottom: 1px solid var(--line); }
}

/* ---------- Feature grid ---------- */

.features {
  padding: 80px 0;
}
.features__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 28px;
}
.feat {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 22px 24px;
}
.feat__icon {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: var(--accent);
  margin-bottom: 12px;
  opacity: 0.85;
}
.feat h3 {
  font-size: 16px;
  margin: 0 0 6px;
  letter-spacing: -0.01em;
}
.feat p {
  margin: 0;
  color: var(--ink-muted);
  font-size: 14.5px;
}

/* ---------- Comparison table ---------- */

.compare {
  padding: 56px 0 80px;
}
.compare h2 {
  text-align: center;
  font-size: clamp(26px, 3vw, 34px);
  letter-spacing: -0.01em;
  margin: 0 0 8px;
}
.compare__sub {
  text-align: center;
  color: var(--ink-muted);
  margin: 0 0 36px;
  font-size: 15px;
}
.compare__scroll {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-elev);
}
table.compare__t {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: 15px;
}
table.compare__t th,
table.compare__t td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}
table.compare__t thead th {
  background: var(--bg);
  font-weight: 600;
  color: var(--ink);
  font-size: 14px;
}
table.compare__t tbody tr:last-child td { border-bottom: 0; }
table.compare__t td.feature {
  font-weight: 500;
  color: var(--ink);
}
table.compare__t td.yes { color: var(--success); font-weight: 600; }
table.compare__t td.no  { color: var(--danger);  font-weight: 600; }
table.compare__t td.partial { color: var(--warn); font-weight: 600; }
table.compare__t td .sub {
  display: block;
  color: var(--ink-soft);
  font-weight: 400;
  font-size: 12.5px;
  margin-top: 2px;
}
table.compare__t th.kliplet {
  background: var(--accent);
  color: var(--accent-ink);
}

.compare__note {
  margin: 18px 4px 0;
  font-size: 13px;
  color: var(--ink-soft);
}

/* ---------- Footer ---------- */

footer.foot {
  border-top: 1px solid var(--line);
  padding: 36px 0 56px;
  margin-top: 40px;
  background: var(--bg);
}
.foot__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 18px;
}
.foot__brand {
  font-weight: 600;
  color: var(--ink);
}
.foot__links {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  font-size: 14.5px;
}
.foot__links a {
  color: var(--ink-muted);
  text-decoration: none;
}
.foot__links a:hover { color: var(--ink); text-decoration: underline; }
.foot__legal {
  color: var(--ink-soft);
  font-size: 13px;
  margin-top: 12px;
}

/* ---------- Legal pages ---------- */

.legal {
  padding: 48px 0 64px;
  max-width: 760px;
  margin: 0 auto;
}
.legal h1 {
  font-size: clamp(28px, 3.5vw, 38px);
  letter-spacing: -0.01em;
  margin: 0 0 6px;
}
.legal__meta {
  color: var(--ink-soft);
  font-size: 14px;
  margin: 0 0 28px;
}
.legal h2 {
  font-size: 20px;
  margin: 36px 0 10px;
  letter-spacing: -0.01em;
}
.legal h3 {
  font-size: 16px;
  margin: 22px 0 6px;
}
.legal p, .legal li {
  color: var(--ink-muted);
  font-size: 16px;
}
.legal ul, .legal ol { padding-left: 22px; }
/* Plain links in legal/text pages render in the accent colour — but NOT
   .btn anchors: a button's background is also var(--accent), so giving it
   the accent text colour made "Back to kliplet.com" invisible (text ==
   background). :not(.btn) lets .btn--primary/.btn--ghost keep their own
   colour. */
.legal a:not(.btn) { color: var(--accent); }

.callout {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  margin: 18px 0;
}
.callout p:last-child { margin-bottom: 0; }

/* ---------- Skip link (a11y) ---------- */

.skip {
  position: absolute;
  left: -1000px;
  top: -1000px;
}
.skip:focus {
  position: fixed;
  left: 12px;
  top: 12px;
  background: var(--accent);
  color: var(--accent-ink);
  padding: 8px 12px;
  border-radius: 6px;
  z-index: 999;
}

/* ---------- Template gallery (phase5-w2-t4) ---------- */

.nav__link--active {
  color: var(--ink) !important;
  font-weight: 600;
}
.gallery {
  padding: 48px 0 64px;
}
.gallery__title {
  font-size: clamp(28px, 3.5vw, 38px);
  letter-spacing: -0.01em;
  margin: 0 0 8px;
}
.gallery__lede {
  color: var(--ink-muted);
  font-size: 17px;
  margin: 0 0 28px;
  max-width: 720px;
}
.install-prompt {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  margin: 0 0 22px;
}
.install-prompt.flash {
  border-left-color: #f59e0b;
  background: rgba(245, 158, 11, 0.08);
}
.gallery__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
@media (min-width: 640px) { .gallery__grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .gallery__grid { grid-template-columns: repeat(3, 1fr); } }
.gallery__card {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.gallery__card-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin: 0;
}
.gallery__card-title {
  font-size: 17px;
  margin: 0;
  letter-spacing: -0.005em;
}
.gallery__card-badge {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 2px 8px;
}
.gallery__card-desc { color: var(--ink-muted); font-size: 14px; margin: 0; }
.gallery__card-domains { color: var(--ink-soft); font-size: 12px; margin: 0; }
.gallery__card-btn { padding: 10px 14px; font-size: 14px; align-self: flex-start; }
.gallery__card-btn[data-state="ok"] { background: #16a34a; color: #fff; }
.gallery__card-btn[data-state="err"] { background: #dc2626; color: #fff; }
.gallery__card-btn[data-state="fallback"] { background: transparent; color: var(--ink); border: 1px solid var(--line); }