/* ShoSoft LLC — warm & indie design system
   Type: Instrument Serif (display) + IBM Plex Mono (UI) + IBM Plex Sans (body)
   Palette: warm cream paper + warm ink + cobalt accent
*/

:root {
  --bg:        oklch(0.972 0.013 82);
  --bg-soft:   oklch(0.938 0.018 80);
  --bg-card:   oklch(0.985 0.010 84);
  --rule:      oklch(0.86 0.020 74);
  --rule-strong: oklch(0.72 0.025 70);
  --ink:       oklch(0.205 0.018 55);
  --ink-soft:  oklch(0.42 0.018 55);
  --ink-mute:  oklch(0.58 0.020 60);
  --accent:    oklch(0.62 0.18 245);
  --accent-deep: oklch(0.48 0.16 250);
  --accent-ink: oklch(0.97 0.02 240);

  --ff-display: "Instrument Serif", Georgia, serif;
  --ff-body:    "IBM Plex Sans", ui-sans-serif, system-ui, sans-serif;
  --ff-mono:    "IBM Plex Mono", ui-monospace, monospace;

  --maxw: 1180px;
  --gutter: clamp(20px, 4vw, 56px);
}

html[data-theme="dark"] {
  --bg:        oklch(0.165 0.012 60);
  --bg-soft:   oklch(0.205 0.014 58);
  --bg-card:   oklch(0.225 0.014 58);
  --rule:      oklch(0.32 0.018 55);
  --rule-strong: oklch(0.45 0.022 55);
  --ink:       oklch(0.96 0.010 80);
  --ink-soft:  oklch(0.78 0.012 78);
  --ink-mute:  oklch(0.62 0.014 70);
  --accent:    oklch(0.78 0.16 245);
  --accent-deep: oklch(0.86 0.15 245);
  --accent-ink: oklch(0.16 0.04 245);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--ff-body);
  font-size: 17px;
  line-height: 1.55;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body { min-height: 100vh; }

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; }

/* ── Type ─────────────────────────────────────────────── */
.serif { font-family: var(--ff-display); font-weight: 400; letter-spacing: -0.005em; }
.mono  { font-family: var(--ff-mono); letter-spacing: 0; }

h1, h2, h3 { font-family: var(--ff-display); font-weight: 400; letter-spacing: -0.012em; margin: 0; }
h1 { font-size: clamp(48px, 7.5vw, 104px); line-height: 0.98; }
h2 { font-size: clamp(34px, 4.6vw, 60px); line-height: 1.02; }
h3 { font-size: clamp(22px, 2.2vw, 30px); line-height: 1.15; }
p  { margin: 0; }

.eyebrow {
  font-family: var(--ff-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.eyebrow .dot {
  display: inline-block; width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent); margin-right: 8px; vertical-align: middle;
  transform: translateY(-1px);
}

.lede { font-size: clamp(18px, 1.5vw, 22px); line-height: 1.5; color: var(--ink-soft); }

.kicker { font-family: var(--ff-mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-mute); }

/* ── Layout ───────────────────────────────────────────── */
.wrap { max-width: var(--maxw); margin: 0 auto; padding-left: var(--gutter); padding-right: var(--gutter); }
.row  { display: flex; }
.col  { display: flex; flex-direction: column; }
.gap-2 { gap: 8px; } .gap-3 { gap: 12px; } .gap-4 { gap: 16px; } .gap-6 { gap: 24px; } .gap-8 { gap: 32px; } .gap-12 { gap: 48px; }
.center { align-items: center; }
.between { justify-content: space-between; }
.fill { flex: 1; }
.divider { height: 1px; background: var(--rule); border: 0; margin: 0; }

/* ── Nav ──────────────────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 30;
  backdrop-filter: blur(12px) saturate(140%);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
  background: color-mix(in oklab, var(--bg) 78%, transparent);
  border-bottom: 1px solid var(--rule);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 0;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--ff-mono); font-size: 13px; letter-spacing: 0.04em;
  color: var(--ink);
}
.brand .sho-mark {
  width: 22px; height: 22px; border-radius: 6px;
  background: var(--ink);
  display: inline-grid; place-items: center;
  color: var(--bg);
  font-family: var(--ff-display); font-size: 16px; line-height: 1;
  position: relative;
}
.brand .sho-mark::after {
  content: ""; position: absolute; right: -3px; bottom: -3px;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent); border: 2px solid var(--bg);
}
.brand .name { font-weight: 600; }
.brand .llc { color: var(--ink-mute); }

.nav-links { display: flex; gap: 4px; align-items: center; }
.nav-links a {
  font-family: var(--ff-mono); font-size: 12.5px; letter-spacing: 0.04em;
  padding: 8px 12px; border-radius: 8px; color: var(--ink-soft);
  position: relative;
}
.nav-links a:hover { color: var(--ink); background: var(--bg-soft); }
.nav-links a.is-active { color: var(--ink); }
.nav-links a.is-active::after {
  content: ""; position: absolute; left: 12px; right: 12px; bottom: 2px;
  height: 2px; background: var(--accent); border-radius: 2px;
}

/* ── Buttons ──────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-family: var(--ff-mono); font-size: 13px; letter-spacing: 0.04em;
  padding: 14px 22px; border-radius: 12px; border: 1px solid var(--ink);
  background: var(--ink); color: var(--bg);
  cursor: pointer; transition: transform 90ms ease, background 120ms ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn.lg { padding: 18px 28px; font-size: 14px; border-radius: 14px; }
.btn.xl { padding: 22px 36px; font-size: 15px; border-radius: 16px; }
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: transparent; }
.btn.primary:hover { background: color-mix(in oklab, var(--accent) 92%, black); }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--rule-strong); }
.btn.ghost:hover { background: var(--bg-soft); }

.price-tag {
  display: inline-flex; align-items: baseline; gap: 6px;
  font-family: var(--ff-display); font-size: 22px; line-height: 1;
}
.price-tag .num { font-size: 34px; }
.price-tag .cur { color: var(--ink-mute); font-family: var(--ff-mono); font-size: 13px; }

/* ── Card ─────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--rule);
  border-radius: 18px;
  padding: 28px;
}

/* Paper texture overlay (subtle indie warmth) */
.paper {
  position: relative;
}
.paper::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(rgba(0,0,0,0.025) 1px, transparent 1px);
  background-size: 3px 3px; opacity: 0.5; mix-blend-mode: multiply;
}
html[data-theme="dark"] .paper::before { mix-blend-mode: screen; opacity: 0.18; }

/* ── Section ─────────────────────────────────────────── */
section { padding-block: clamp(56px, 8vw, 120px); }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 24px; margin-bottom: 36px; flex-wrap: wrap; }

/* ── Hero ─────────────────────────────────────────────── */
.hero { padding-top: clamp(56px, 7vw, 96px); padding-bottom: clamp(56px, 7vw, 110px); }
.hero h1 em { font-style: italic; color: var(--accent-deep); }
.hero .lede { max-width: 56ch; margin-top: 28px; }
.hero .cta-row { margin-top: 38px; display: flex; gap: 14px; flex-wrap: wrap; }

/* ── Footer ───────────────────────────────────────────── */
footer.foot {
  padding: 48px 0 56px;
  border-top: 1px solid var(--rule);
  font-family: var(--ff-mono); font-size: 12px; color: var(--ink-mute);
}
footer.foot a:hover { color: var(--ink); }

/* ── Product card on home ─────────────────────────────── */
.feat {
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 0;
  border: 1px solid var(--rule); border-radius: 20px; overflow: hidden;
  background: var(--bg-card);
}
.feat-art { background: var(--bg-soft); padding: 56px; display: grid; place-items: center; border-right: 1px solid var(--rule); }
.feat-body { padding: 48px; display: flex; flex-direction: column; gap: 20px; }
.feat .title-row { display: flex; align-items: baseline; justify-content: space-between; gap: 18px; }
@media (max-width: 820px) {
  .feat { grid-template-columns: 1fr; }
  .feat-art { border-right: 0; border-bottom: 1px solid var(--rule); padding: 40px; }
  .feat-body { padding: 32px; }
}

/* ── Thumbforge demo ──────────────────────────────────── */
.tf-stage {
  display: grid; grid-template-columns: 1.05fr 1fr; gap: 32px; align-items: stretch;
}
@media (max-width: 900px) { .tf-stage { grid-template-columns: 1fr; } }

.drop {
  border: 1.5px dashed var(--rule-strong);
  border-radius: 16px; padding: 28px;
  background: var(--bg-soft);
  display: flex; flex-direction: column; gap: 14px;
  min-height: 320px;
  position: relative; transition: border-color 120ms, background 120ms;
}
.drop.is-over { border-color: var(--accent); background: color-mix(in oklab, var(--accent) 8%, var(--bg-soft)); }
.drop input[type=file] { display: none; }

.thumbnail-tile {
  aspect-ratio: 16/9; border-radius: 12px; overflow: hidden; background: #000;
  position: relative; box-shadow: 0 12px 32px rgba(0,0,0,0.18);
  border: 1px solid var(--rule);
}
.thumbnail-tile canvas { width: 100%; height: 100%; display: block; }
.thumbnail-tile .badge {
  position: absolute; top: 10px; left: 10px; padding: 4px 8px;
  background: rgba(0,0,0,.6); color: #fff; font-family: var(--ff-mono); font-size: 10px; letter-spacing: 0.12em;
  border-radius: 6px; text-transform: uppercase;
}
.thumbnail-tile .badge.live { background: var(--accent); color: var(--accent-ink); }

.tf-controls { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.ctrl {
  display: flex; flex-direction: column; gap: 6px;
  background: var(--bg-soft); border: 1px solid var(--rule); border-radius: 12px; padding: 12px 14px;
}
.ctrl label { font-family: var(--ff-mono); font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-mute); }
.ctrl .v { font-family: var(--ff-mono); font-size: 13px; color: var(--ink); }
.ctrl input[type=range] { width: 100%; }

/* ── Spec list ────────────────────────────────────────── */
.specs { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 0; border-top: 1px solid var(--rule); }
.spec { padding: 22px 0; border-bottom: 1px solid var(--rule); border-right: 1px solid var(--rule); padding-right: 22px; }
.spec:last-child { border-right: 0; }
@media (max-width: 720px) { .spec { border-right: 0; } }
.spec .k { font-family: var(--ff-mono); font-size: 10.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-mute); margin-bottom: 6px; }
.spec .v { font-family: var(--ff-display); font-size: 22px; }

/* ── Features list ────────────────────────────────────── */
.flist { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; border-top: 1px solid var(--rule); }
@media (max-width: 720px) { .flist { grid-template-columns: 1fr; } }
.fitem { padding: 28px 32px 28px 0; border-bottom: 1px solid var(--rule); }
.fitem:nth-child(odd) { padding-right: 32px; }
.fitem:nth-child(even) { padding-left: 32px; border-left: 1px solid var(--rule); }
@media (max-width: 720px) { .fitem:nth-child(even) { padding-left: 0; border-left: 0; } }
.fitem .num { font-family: var(--ff-mono); font-size: 11px; color: var(--ink-mute); letter-spacing: 0.12em; }
.fitem h3 { margin-top: 8px; margin-bottom: 10px; }
.fitem p { color: var(--ink-soft); }

/* ── About / founder ──────────────────────────────────── */
.about {
  display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 56px; align-items: start;
}
@media (max-width: 820px) { .about { grid-template-columns: 1fr; gap: 32px; } }
.about .portrait {
  aspect-ratio: 4/5; border-radius: 16px; overflow: hidden;
  background: var(--bg-soft); border: 1px solid var(--rule);
  display: grid; place-items: center;
  background-image: repeating-linear-gradient(135deg, transparent 0 14px, color-mix(in oklab, var(--ink) 6%, transparent) 14px 15px);
}
.about .portrait .ph {
  font-family: var(--ff-mono); font-size: 11px; color: var(--ink-mute); letter-spacing: 0.12em;
}
.about blockquote {
  font-family: var(--ff-display); font-size: clamp(26px, 2.6vw, 38px);
  line-height: 1.2; margin: 0; color: var(--ink);
}
.about .sig {
  display: flex; gap: 14px; align-items: center; margin-top: 28px;
  font-family: var(--ff-mono); font-size: 12px; letter-spacing: 0.04em; color: var(--ink-soft);
}

/* ── Modal ────────────────────────────────────────────── */
.modal-scrim {
  position: fixed; inset: 0; background: rgba(0,0,0,0.45);
  display: grid; place-items: center; padding: 24px;
  z-index: 100; backdrop-filter: blur(8px);
}
.modal {
  background: var(--bg); color: var(--ink);
  border-radius: 20px; border: 1px solid var(--rule);
  width: min(560px, 100%); max-height: 90vh; overflow: auto;
  padding: 32px; box-shadow: 0 30px 80px rgba(0,0,0,0.4);
}
.modal h2 { font-size: 36px; }
.modal .row { display: flex; gap: 12px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-family: var(--ff-mono); font-size: 10.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-mute); }
.field input {
  font-family: var(--ff-mono); font-size: 14px; padding: 12px 14px;
  border: 1px solid var(--rule-strong); border-radius: 10px; background: var(--bg-card); color: var(--ink); outline: none;
}
.field input:focus { border-color: var(--accent); }
.field.fill { flex: 1; min-width: 0; }
.summary {
  display: flex; justify-content: space-between; align-items: baseline;
  border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule);
  padding: 16px 0; margin: 22px 0;
}
.summary .lab { font-family: var(--ff-mono); font-size: 12px; letter-spacing: 0.04em; color: var(--ink-soft); }
.success { text-align: center; padding: 16px 0; }
.success .check { font-size: 56px; color: var(--accent); font-family: var(--ff-display); }

/* ── Support ──────────────────────────────────────────── */
.support-grid {
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: start;
}
@media (max-width: 820px) { .support-grid { grid-template-columns: 1fr; gap: 32px; } }
.contact-list { display: flex; flex-direction: column; gap: 0; border-top: 1px solid var(--rule); }
.contact-list .item { padding: 22px 0; border-bottom: 1px solid var(--rule); display: grid; grid-template-columns: 160px 1fr; gap: 24px; align-items: baseline; }
.contact-list .k { font-family: var(--ff-mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-mute); }
.contact-list .v { font-family: var(--ff-display); font-size: 26px; line-height: 1.15; }
.contact-list .v a { border-bottom: 1px solid var(--rule-strong); }
.contact-list .v a:hover { border-color: var(--accent); }
.contact-list .v small { display: block; font-family: var(--ff-mono); font-size: 12px; color: var(--ink-soft); letter-spacing: 0; text-transform: none; margin-top: 4px; }

/* ── Misc ─────────────────────────────────────────────── */
.tag {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px; border-radius: 999px;
  font-family: var(--ff-mono); font-size: 10.5px; letter-spacing: 0.1em;
  text-transform: uppercase;
  background: color-mix(in oklab, var(--accent) 16%, var(--bg));
  color: var(--accent-deep);
  border: 1px solid color-mix(in oklab, var(--accent) 28%, transparent);
}
html[data-theme="dark"] .tag { background: color-mix(in oklab, var(--accent) 18%, var(--bg-soft)); color: var(--accent); }

.crumbs { font-family: var(--ff-mono); font-size: 11.5px; color: var(--ink-mute); letter-spacing: 0.08em; }
.crumbs a:hover { color: var(--ink); }

.center-text { text-align: center; }
.muted { color: var(--ink-soft); }

/* tfBar animation (checkout + demo loading state) */
@keyframes tfBar {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(300%); }
}

/* Selection */
::selection { background: var(--accent); color: var(--accent-ink); }