/* =========================================================================
   TAG TO RACK — shared design system
   Warm boutique resale × precise AI tooling
   ========================================================================= */

:root {
  /* Warm neutrals */
  --bg:        #f6f1e9;   /* warm cream */
  --bg-2:      #efe7d9;   /* deeper cream, alt sections */
  --surface:   #fffdf8;   /* card */
  --surface-2: #faf6ee;   /* nested card */
  --ink:       #211c18;   /* warm near-black */
  --ink-soft:  #6c6357;   /* muted warm gray */
  --ink-faint: #9a9082;   /* faint warm gray */
  --line:      #e4dac8;   /* warm hairline */
  --line-soft: #efe7d8;

  /* Accents */
  --violet:      #6a40c9;  /* primary AI / action accent */
  --violet-ink:  #4d2a9c;  /* darker for text on light */
  --violet-soft: #efe9fb;  /* tint surface */
  --violet-line: #d9cdf4;
  --clay:        #b06a4f;  /* warm secondary, used sparingly */
  --clay-soft:   #f3e3da;

  /* Dark surfaces */
  --espresso:   #211c18;
  --espresso-2: #2b251f;
  --espresso-line: #3d352c;

  /* Status */
  --ok:   #3f7d54;
  --warn: #b07a2e;
  --stop: #b04a3f;

  /* Type */
  --display: "Space Grotesk", system-ui, sans-serif;
  --body:    "Hanken Grotesk", system-ui, sans-serif;
  --mono:    "Space Mono", ui-monospace, monospace;

  /* Geometry */
  --r-sm: 10px;
  --r:    16px;
  --r-lg: 22px;
  --r-xl: 30px;
  --shadow-sm: 0 1px 2px rgba(33,28,24,.05), 0 2px 8px rgba(33,28,24,.04);
  --shadow:    0 2px 6px rgba(33,28,24,.06), 0 12px 30px rgba(33,28,24,.07);
  --shadow-lg: 0 8px 24px rgba(33,28,24,.10), 0 30px 60px rgba(33,28,24,.10);

  --maxw: 1180px;
  --gutter: clamp(20px, 5vw, 56px);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

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

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

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--display);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--ink);
  text-wrap: balance;
}
h1 { font-size: clamp(2.6rem, 6vw, 4.6rem); }
h2 { font-size: clamp(2rem, 4vw, 3.1rem); }
h3 { font-size: clamp(1.3rem, 2vw, 1.6rem); }
p  { margin: 0 0 1em; color: var(--ink-soft); }
p.lead { font-size: clamp(1.1rem, 1.6vw, 1.35rem); color: var(--ink-soft); line-height: 1.55; }

.mono {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
}

/* eyebrow */
.eyebrow {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--violet-ink);
  display: inline-flex;
  align-items: center;
  gap: .6em;
}
.eyebrow::before {
  content: "";
  width: 22px; height: 1px;
  background: var(--violet);
  display: inline-block;
}
.eyebrow.center::before { display: none; }

/* ---------- Layout ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding-inline: var(--gutter); }
section { padding-block: clamp(64px, 9vw, 130px); }
.section-head { max-width: 720px; margin-bottom: clamp(40px, 5vw, 64px); }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head p { margin-top: .9em; }

.grid { display: grid; gap: 24px; }
.cols-2 { grid-template-columns: repeat(2, 1fr); }
.cols-3 { grid-template-columns: repeat(3, 1fr); }
.cols-4 { grid-template-columns: repeat(4, 1fr); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .55em;
  font-family: var(--display);
  font-weight: 500;
  font-size: 1rem;
  letter-spacing: -0.01em;
  padding: .85em 1.4em;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .18s ease, background .18s ease, box-shadow .18s ease, border-color .18s;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--violet);
  color: #fff;
  box-shadow: 0 6px 18px rgba(106,64,201,.28);
}
.btn-primary:hover { background: var(--violet-ink); box-shadow: 0 10px 26px rgba(106,64,201,.34); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn-ghost:hover { border-color: var(--ink); background: rgba(33,28,24,.03); }
.btn-dark {
  background: var(--ink);
  color: var(--bg);
}
.btn-dark:hover { background: #000; }
.btn-lg { padding: 1em 1.7em; font-size: 1.08rem; }
.btn .arrow { transition: transform .18s ease; }
.btn:hover .arrow { transform: translateX(3px); }

/* ---------- Tag chip (motif) ---------- */
.chip {
  display: inline-flex;
  align-items: center;
  gap: .5em;
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: .4em .8em .4em .7em;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--ink-soft);
}
.chip .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--violet); }
.chip.violet { background: var(--violet-soft); border-color: var(--violet-line); color: var(--violet-ink); }
.chip.ok   { background: #eef5ef; border-color: #cfe2d4; color: var(--ok); }
.chip.warn { background: #f7efde; border-color: #e7d6b3; color: var(--warn); }
.chip.stop { background: #f7e7e4; border-color: #e7c6c0; color: var(--stop); }

/* ---------- Cards ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}
.card-pad-lg { padding: 36px; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s, background .2s;
}
.site-header.scrolled { border-color: var(--line); }
.nav {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 16px var(--gutter);
  display: flex;
  align-items: center;
  gap: 28px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: .6em;
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.18rem;
  letter-spacing: -0.03em;
  color: var(--ink);
}
.brand .tag-glyph { color: var(--violet); }
.brand .logo-mark { display: block; flex: none; width: 30px; height: auto; }
.footer-brand .brand .logo-mark { width: 26px; }
.brand small { font-family: var(--mono); font-size:.6rem; letter-spacing:.12em; color: var(--ink-faint); text-transform: uppercase; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: 8px;
}
.nav-links a {
  font-size: .96rem;
  color: var(--ink-soft);
  padding: .5em .8em;
  border-radius: 999px;
  transition: color .15s, background .15s;
}
.nav-links a:hover { color: var(--ink); background: rgba(33,28,24,.04); }
.nav-links a.active { color: var(--violet-ink); }
.nav-cta { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.nav-toggle {
  display: none;
  margin-left: auto;
  background: none; border: none; cursor: pointer;
  width: 42px; height: 42px;
  border-radius: 10px;
}
.nav-toggle span { display:block; width:20px; height:2px; background: var(--ink); margin: 4px auto; transition: .25s; }

@media (max-width: 900px) {
  .nav-links, .nav-cta .btn-ghost { display: none; }
  .nav-toggle { display: block; }
  .nav-cta { margin-left: 0; }
  body.nav-open .nav-links {
    display: flex;
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--surface);
    border-bottom: 1px solid var(--line);
    padding: 12px var(--gutter) 24px;
    gap: 4px;
  }
  body.nav-open .nav-links a { padding: .8em; font-size: 1.05rem; }
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--espresso);
  color: #cabfb0;
  padding-block: clamp(56px, 7vw, 90px) 40px;
}
.site-footer h4 { color: #fff; font-family: var(--mono); font-size:.72rem; letter-spacing:.16em; text-transform: uppercase; font-weight:400; margin-bottom: 1.2em; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; }
.footer-grid a { display:block; color:#cabfb0; padding: .35em 0; font-size:.95rem; transition: color .15s; }
.footer-grid a:hover { color: #fff; }
.footer-brand .brand { color: #fff; margin-bottom: 1em; }
.footer-brand p { color: #9b9081; max-width: 30ch; font-size: .95rem; }
.footer-bottom {
  border-top: 1px solid var(--espresso-line);
  margin-top: 56px; padding-top: 28px;
  display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between;
  font-size: .82rem; color: #877c6d;
}
.footer-bottom .mono { font-size:.68rem; }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr 1fr; } }

/* ---------- Disclaimer banner motif ---------- */
.trust-strip {
  display: inline-flex;
  align-items: center;
  gap: .7em;
  padding: .55em 1em .55em .8em;
  border-radius: 999px;
  background: var(--violet-soft);
  border: 1px solid var(--violet-line);
  color: var(--violet-ink);
  font-size: .9rem;
}
.trust-strip svg { flex: none; }

/* ---------- Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s cubic-bezier(.2,.7,.3,1), transform .7s cubic-bezier(.2,.7,.3,1); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; }
.reveal.d2 { transition-delay: .16s; }
.reveal.d3 { transition-delay: .24s; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; }
  html { scroll-behavior: auto; }
}

/* ---------- Striped image placeholder ---------- */
.ph {
  position: relative;
  background:
    repeating-linear-gradient(135deg, var(--line-soft) 0 10px, transparent 10px 20px),
    var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--r);
  display: grid;
  place-content: center;
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  text-align: center;
  overflow: hidden;
}

/* ---------- Utilities ---------- */
.center { text-align: center; }
.muted { color: var(--ink-soft); }
.divider { height: 1px; background: var(--line); border: 0; margin: 0; }
.kicker-row { display:flex; flex-wrap:wrap; gap: 10px; }
.stack-sm > * + * { margin-top: 10px; }
@media (max-width: 860px) {
  .cols-2, .cols-3, .cols-4 { grid-template-columns: 1fr; }
  .cols-4.keep-2, .cols-3.keep-2 { grid-template-columns: 1fr 1fr; }
}