/* ============================================================
   CraftFlavor — "the flavorist's bench dossier"
   Warm lab-paper · ember accent · serif display + mono data
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=Hanken+Grotesk:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root {
  --paper:      #F4EEE2;
  --paper-2:    #EDE5D5;
  --paper-3:    #E6DCC8;
  --ink:        #18140D;
  --ink-soft:   #4A4234;
  --ink-faint:  #8A7E66;
  --line:       #D8CDB6;
  --line-soft:  #E3DAC8;
  --ember:      #D6401C;
  --ember-deep: #A82E12;
  --ember-wash: #F7E2D6;
  --measure:    #2E5A52;
  --measure-wash:#DCE7E2;
  --danger:     #B23227;
  --danger-wash:#F4DED7;
  --ok:         #4B7A3F;

  --maxw: 1140px;
  --gut: clamp(20px, 5vw, 64px);

  --f-display: 'Instrument Serif', Georgia, serif;
  --f-body: 'Hanken Grotesk', -apple-system, sans-serif;
  --f-mono: 'JetBrains Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--f-body);
  background-color: var(--paper);
  color: var(--ink);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  font-size: 17px;
  /* faint grain + grid for "bench paper" texture */
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 28px 28px, 28px 28px;
  background-position: -1px -1px;
}
body::before {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none; z-index: 0;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- layout primitives ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding-inline: var(--gut); position: relative; z-index: 1; }
.mono { font-family: var(--f-mono); }
.kicker {
  font-family: var(--f-mono);
  font-size: 11px; font-weight: 500;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ink-faint);
}
.em { color: var(--ember); }

/* ---------- masthead ---------- */
.masthead {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px var(--gut);
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: baseline; gap: 12px; text-decoration: none; color: var(--ink); }
.brand b { font-family: var(--f-display); font-weight: 400; font-size: 26px; letter-spacing: -0.01em; }
.brand .dot { color: var(--ember); }
.brand span { font-family: var(--f-mono); font-size: 10.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-faint); }
.masthead nav { display: flex; gap: 22px; align-items: center; }
.masthead nav a { font-family: var(--f-mono); font-size: 12px; letter-spacing: 0.06em; color: var(--ink-soft); text-decoration: none; text-transform: uppercase; }
.masthead nav a:hover { color: var(--ember); }
.tag-rowset { border: 1px solid var(--line); border-radius: 2px; padding: 3px 7px; color: var(--ink-faint) !important; }

/* ---------- hero / intake ---------- */
.hero { padding: clamp(48px, 9vw, 104px) 0 40px; }
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: clamp(28px, 5vw, 72px); align-items: end; }
@media (max-width: 880px){ .hero-grid { grid-template-columns: 1fr; gap: 28px; } }

.hero h1 {
  font-family: var(--f-display); font-weight: 400;
  font-size: clamp(46px, 8vw, 86px); line-height: 0.95;
  letter-spacing: -0.015em; margin: 18px 0 0;
}
.hero h1 i { font-style: italic; color: var(--ember); }
.hero .lede { margin-top: 22px; font-size: clamp(17px, 2.2vw, 20px); color: var(--ink-soft); max-width: 46ch; }
.hero-side { border-left: 2px solid var(--ink); padding-left: 22px; }
.hero-side p { font-size: 14.5px; color: var(--ink-soft); margin-bottom: 14px; }
.hero-side .stat { font-family: var(--f-mono); font-size: 13px; color: var(--ink); display: flex; justify-content: space-between; padding: 7px 0; border-bottom: 1px dotted var(--line); }
.hero-side .stat b { color: var(--ember); font-weight: 700; }

/* ---------- intake form ---------- */
.intake { margin-top: clamp(36px, 6vw, 64px); border: 1.5px solid var(--ink); background: var(--paper-2); position: relative; }
.intake::before {
  content: "FORMULATION INTAKE"; position: absolute; top: -9px; left: 18px;
  background: var(--paper); padding: 0 10px;
  font-family: var(--f-mono); font-size: 10px; letter-spacing: 0.22em; color: var(--ink-faint);
}
.intake-inner { padding: clamp(22px, 3vw, 34px); }
.intake label { display: block; font-family: var(--f-mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 10px; }
.intake textarea {
  width: 100%; min-height: 84px; resize: vertical;
  font-family: var(--f-display); font-size: clamp(22px, 3.4vw, 32px); line-height: 1.2;
  color: var(--ink); background: transparent; border: none; outline: none;
}
.intake textarea::placeholder { color: var(--ink-faint); opacity: 0.7; }
.intake-foot { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: 18px; padding-top: 18px; border-top: 1px solid var(--line); flex-wrap: wrap; }

.chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  font-family: var(--f-mono); font-size: 11.5px; letter-spacing: 0.02em;
  border: 1px solid var(--line); background: var(--paper); color: var(--ink-soft);
  padding: 6px 11px; border-radius: 100px; cursor: pointer; transition: all .15s ease;
}
.chip:hover { border-color: var(--ember); color: var(--ember); transform: translateY(-1px); }

.btn-run {
  font-family: var(--f-mono); font-weight: 700; font-size: 13px; letter-spacing: 0.1em; text-transform: uppercase;
  background: var(--ember); color: #fff; border: none; cursor: pointer;
  padding: 14px 26px; display: inline-flex; align-items: center; gap: 10px;
  transition: background .15s ease, transform .1s ease;
}
.btn-run:hover { background: var(--ember-deep); }
.btn-run:active { transform: translateY(1px); }
.btn-run:disabled { opacity: 0.5; cursor: wait; }
.btn-run .arr { font-family: var(--f-body); font-size: 16px; }

.opts { display: flex; gap: 16px; align-items: center; font-family: var(--f-mono); font-size: 11px; color: var(--ink-faint); }
.opts label { display: inline-flex; gap: 6px; align-items: center; cursor: pointer; text-transform: none; letter-spacing: 0; margin: 0; font-size: 11px; }

/* ---------- how-it-reads strip ---------- */
.reads { margin-top: 56px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
@media (max-width: 760px){ .reads { grid-template-columns: 1fr 1fr; } }
.reads .cell { background: var(--paper); padding: 20px; }
.reads .cell .n { font-family: var(--f-mono); font-size: 12px; color: var(--ember); font-weight: 700; }
.reads .cell h4 { font-family: var(--f-display); font-size: 21px; font-weight: 400; margin: 4px 0 6px; }
.reads .cell p { font-size: 13.5px; color: var(--ink-soft); }

/* ============================================================
   RESULTS / DOSSIER
   ============================================================ */
#results { padding: 8px 0 80px; }
.dossier { animation: rise .5s ease both; }
@keyframes rise { from { opacity: 0; transform: translateY(14px);} to {opacity:1; transform:none;} }

.dh { border-top: 2px solid var(--ink); padding-top: 18px; margin-top: 48px; }
.dh-top { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.dh .brief-echo { font-family: var(--f-display); font-style: italic; font-size: clamp(28px, 5vw, 46px); line-height: 1.05; letter-spacing: -0.01em; max-width: 22ch; }
.dh .meta { display: flex; gap: 18px; flex-wrap: wrap; }
.dh .meta .m { font-family: var(--f-mono); font-size: 11px; color: var(--ink-faint); text-transform: uppercase; letter-spacing: 0.08em; }
.dh .meta .m b { display: block; font-size: 19px; color: var(--ink); letter-spacing: 0; margin-top: 2px; }
.dh .meta .m b.em { color: var(--ember); }

.taglist { margin-top: 16px; display: flex; gap: 8px; flex-wrap: wrap; }
.taglist .t { font-family: var(--f-mono); font-size: 12px; padding: 4px 10px; background: var(--paper-3); border-radius: 2px; }
.taglist .t.avoid { background: var(--danger-wash); color: var(--danger); text-decoration: line-through; }

/* editable base assumptions (matrix + concentrate factor) */
.basebar { margin-top: 18px; display: flex; flex-wrap: wrap; gap: 14px 28px; align-items: flex-end; padding: 16px 18px; background: var(--paper-2); border: 1px solid var(--line); }
.basebar .bc { display: flex; flex-direction: column; gap: 5px; }
.basebar .bc label { font-family: var(--f-mono); font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-faint); }
.basebar .bc-sel { font-family: var(--f-mono); font-size: 13px; color: var(--ink); background: var(--paper); border: 1px solid var(--line); padding: 7px 10px; cursor: pointer; }
.basebar .bc-sel:hover { border-color: var(--ember); }
.basebar .bc-hint { font-family: var(--f-mono); font-size: 10px; color: var(--ink-faint); }
.basebar .bc-base { flex: 1 1 100%; font-size: 13px; color: var(--ink-soft); font-family: var(--f-mono); border-top: 1px dotted var(--line); padding-top: 10px; margin-top: 2px; }
.basebar .bc-base b { color: var(--ember); text-transform: uppercase; font-size: 10px; letter-spacing: 0.1em; margin-right: 8px; }

/* section */
.sec { margin-top: 54px; scroll-margin-top: 80px; }
.sec-head { display: flex; align-items: baseline; gap: 14px; border-bottom: 1px solid var(--line); padding-bottom: 12px; margin-bottom: 24px; }
.sec-head .sn { font-family: var(--f-mono); font-size: 13px; font-weight: 700; color: var(--ember); }
.sec-head h2 { font-family: var(--f-display); font-weight: 400; font-size: clamp(28px, 4.5vw, 42px); letter-spacing: -0.01em; line-height: 1; }
.sec-head .sub { margin-left: auto; font-size: 13px; color: var(--ink-faint); font-family: var(--f-mono); text-transform: uppercase; letter-spacing: 0.08em; }

/* THE READ */
.read-block { margin-bottom: 26px; padding-left: 20px; border-left: 3px solid var(--ember); }
.read-block .rk { font-family: var(--f-mono); font-size: 12px; text-transform: uppercase; letter-spacing: 0.12em; color: var(--ember); font-weight: 700; }
.read-block p { margin-top: 8px; font-size: 17.5px; color: var(--ink); max-width: 72ch; }

/* blueprint table */
.bp { margin-bottom: 30px; }
.bp .bp-cap { font-family: var(--f-mono); font-size: 12px; letter-spacing: 0.06em; color: var(--ink-soft); margin-bottom: 10px; }
.bp .bp-cap b { color: var(--ink); text-transform: uppercase; }
table.cf { width: 100%; border-collapse: collapse; font-size: 14px; }
table.cf th { font-family: var(--f-mono); font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--ink-faint); text-align: left; padding: 8px 12px; border-bottom: 1px solid var(--ink); font-weight: 500; }
table.cf td { padding: 11px 12px; border-bottom: 1px solid var(--line-soft); vertical-align: top; }
table.cf tr:hover td { background: var(--paper-2); }
table.cf .c-name { font-family: var(--f-mono); font-weight: 500; color: var(--ink); white-space: nowrap; }
table.cf .c-cas { font-family: var(--f-mono); font-size: 12px; color: var(--ink-faint); }
table.cf .c-role { color: var(--ink-soft); }
table.cf .c-ppm { font-family: var(--f-mono); color: var(--measure); white-space: nowrap; }
.danger-tag { display: inline-block; font-family: var(--f-mono); font-size: 9.5px; font-weight: 700; letter-spacing: 0.08em; color: #fff; background: var(--danger); padding: 1px 6px; border-radius: 2px; margin-left: 6px; vertical-align: middle; }

/* starting formula = dosing sheet */
.dose { border: 1px solid var(--line); }
.dose-row { display: grid; grid-template-columns: 1.6fr 0.7fr 1.7fr; gap: 16px; padding: 13px 16px; border-bottom: 1px solid var(--line-soft); align-items: center; }
.dose-row:last-child { border-bottom: none; }
.dose-row.head { background: var(--ink); color: var(--paper); }
.dose-row.head span { font-family: var(--f-mono); font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.1em; }
.dose-row .d-name { font-family: var(--f-mono); font-weight: 500; }
.dose-row .d-name small { display: block; color: var(--ink-faint); font-size: 11px; font-weight: 400; }
.dose-row .d-ppm { font-family: var(--f-mono); font-size: 20px; color: var(--ember); font-weight: 700; }
.dose-row .d-ppm small { font-size: 11px; color: var(--ink-faint); font-weight: 400; }
.dose-row .d-why { font-size: 13px; color: var(--ink-soft); }
.prov-chip { font-family: var(--f-mono); font-size: 10px; letter-spacing: 0.04em; padding: 2px 7px; border-radius: 2px; background: var(--measure-wash); color: var(--measure); display: inline-block; margin-top: 4px; }
.prov-chip.fema { background: var(--ember-wash); color: var(--ember-deep); }
.dose-row .d-spread { margin-top: 5px; font-family: var(--f-mono); font-size: 11px; color: var(--ink-faint); letter-spacing: 0.01em; }
.dose-row .d-spread.danger { color: var(--danger); }

/* shopping list */
.skus { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px; }
.sku {
  border: 1px solid var(--line); background: var(--paper-2); padding: 18px;
  display: flex; flex-direction: column; gap: 10px; transition: border-color .15s, transform .15s;
}
.sku:hover { border-color: var(--ink); transform: translateY(-2px); }
.sku .sku-top { display: flex; align-items: center; gap: 10px; }
.vendor-badge { font-family: var(--f-mono); font-size: 11px; font-weight: 700; letter-spacing: 0.05em; background: var(--ink); color: var(--paper); padding: 3px 8px; border-radius: 2px; }
.sku h4 { font-family: var(--f-display); font-weight: 400; font-size: 23px; line-height: 1; }
.sku .delivers { font-size: 13px; color: var(--ink-soft); }
.sku .delivers b { font-family: var(--f-mono); font-size: 11.5px; font-weight: 500; color: var(--measure); }
.sku .sku-foot { margin-top: auto; padding-top: 10px; display: flex; align-items: center; justify-content: space-between; gap: 8px; border-top: 1px dotted var(--line); }
.sku .dose-amt { font-family: var(--f-mono); font-size: 13px; color: var(--ember); font-weight: 700; }
.sku a.buy { font-family: var(--f-mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--ember); padding-bottom: 1px; }
.sku a.buy:hover { color: var(--ember); }
.sku .lab-flag { font-family: var(--f-mono); font-size: 10px; color: var(--measure); border: 1px solid var(--measure); padding: 1px 6px; border-radius: 2px; }
/* shopping list — grouped (character vs surgical) + per-SKU coverage */
.sku-group { margin-bottom: 30px; }
.sku-group:last-child { margin-bottom: 0; }
.sku-grouphd { display: flex; align-items: baseline; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.sku-grouphd b { font-family: var(--f-mono); font-size: 12px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink); }
.sku-grouphd span { font-size: 13px; color: var(--ink-faint); }
.sku .cov { display: flex; flex-direction: column; gap: 4px; }
.sku .cov-bar { height: 4px; background: var(--paper-3); border-radius: 2px; overflow: hidden; }
.sku .cov-fill { height: 100%; background: var(--measure); transition: width .3s ease; }
.sku .cov-n { font-family: var(--f-mono); font-size: 10.5px; color: var(--ink-faint); letter-spacing: 0.04em; }
.sku .cov-note { font-size: 12px; color: var(--ink-faint); line-height: 1.45; }

/* dial it in */
.dial-block { margin-bottom: 20px; }
.dial-block .dk { font-family: var(--f-mono); font-size: 12px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--ink); font-weight: 700; margin-bottom: 6px; }
.dial-block .dk::before { content: "↳ "; color: var(--ember); }
.dial-block p { font-size: 15px; color: var(--ink-soft); max-width: 80ch; }

/* watch-outs */
.watch { border: 1px solid var(--danger); background: var(--danger-wash); padding: 22px; }
.watch h3 { font-family: var(--f-mono); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--danger); margin-bottom: 14px; }
.watch .w-item { padding: 10px 0; border-bottom: 1px solid color-mix(in srgb, var(--danger) 20%, transparent); }
.watch .w-item:last-child { border-bottom: none; }
.watch .w-name { font-family: var(--f-mono); font-weight: 700; font-size: 14px; color: var(--danger); }
.watch .w-note { font-size: 13.5px; color: var(--ink); margin-top: 3px; }

/* provenance */
.prov { margin-top: 56px; border-top: 1px solid var(--line); padding-top: 22px; }
.prov .kicker { margin-bottom: 14px; }
.prov-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 14px; }
.prov-grid .pv { font-family: var(--f-mono); font-size: 11.5px; color: var(--ink-faint); }
.prov-grid .pv b { display: block; font-size: 22px; color: var(--ink); margin-bottom: 2px; }
.prov-note { margin-top: 18px; font-family: var(--f-mono); font-size: 12px; color: var(--ink-faint); max-width: 80ch; line-height: 1.6; }
.decision-log { margin-top: 14px; font-family: var(--f-mono); font-size: 12px; color: var(--ink-soft); }
.decision-log div { padding: 3px 0; }
.decision-log div::before { content: "· "; color: var(--ember); }

/* ---------- loading readout ---------- */
.loading { padding: 48px 0; }
.loading .lwrap { border: 1.5px solid var(--ink); background: var(--paper-2); padding: 28px; max-width: 560px; }
.loading .lhead { font-family: var(--f-mono); font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ember); margin-bottom: 18px; }
.loading .lhead .blink { animation: blink 1s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.loading .step { font-family: var(--f-mono); font-size: 14px; color: var(--ink-faint); padding: 6px 0; opacity: 0.35; transition: opacity .3s, color .3s; }
.loading .step.on { opacity: 1; color: var(--ink); }
.loading .step.on::before { content: "✓ "; color: var(--ok); }
.loading .step.pending::before { content: "→ "; color: var(--ember); }

/* error */
.errbox { border: 1.5px solid var(--danger); background: var(--danger-wash); padding: 22px; font-family: var(--f-mono); font-size: 14px; color: var(--danger); }

/* footer */
.site-foot { border-top: 1px solid var(--line); margin-top: 60px; padding: 40px 0; }
.site-foot .fr { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; align-items: baseline; }
.site-foot p { font-family: var(--f-mono); font-size: 12px; color: var(--ink-faint); line-height: 1.7; max-width: 60ch; }
.site-foot b { font-family: var(--f-display); font-size: 20px; font-weight: 400; color: var(--ink); }
.site-foot .dot { color: var(--ember); }

.hidden { display: none !important; }