/* ===========================================
   SECTIONS - Page-specific layouts
   =========================================== */

/* ------------------------------------- MASTHEAD */
.masthead {
  border-bottom: 1px solid var(--rule);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(6px);
}

.masthead-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
  padding: 14px 0;
}

.ticker {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
}

.ticker span {
  display: inline-block;
  padding-right: 48px;
}

.brand {
  font-family: "Old Standard TT", serif;
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.02em;
  text-align: center;
}

.nav {
  display: flex;
  gap: 22px;
  justify-content: flex-end;
  align-items: center;
  font-size: 13px;
}

.nav a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}

.nav a:hover {
  border-bottom-color: var(--ink);
}

.nav .buy {
  background: var(--ink);
  color: var(--bg);
  padding: 8px 14px;
  border-radius: 2px;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  border-bottom: none;
}

.nav .buy:hover {
  background: var(--accent);
}

/* ------------------------------------- HERO */
.hero {
  position: relative;
  border-bottom: 3px solid var(--rule);
  padding: 28px 0 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 40%, color-mix(in oklab, var(--bg) 90%, var(--accent) 4%), var(--bg) 80%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr 1.1fr;
  gap: 40px;
  align-items: end;
  padding-bottom: 36px;
}

.hero-col {
  position: relative;
}

.hero-kicker {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--muted);
  text-transform: uppercase;
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  margin-bottom: 24px;
}

.hero-title {
  font-family: "Old Standard TT", serif;
  font-weight: 700;
  font-size: clamp(40px, 8.2vw, 132px);
  line-height: 0.86;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0;
}

.hero-title .amp {
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
}

.hero-title .ul {
  text-decoration: underline;
  text-decoration-thickness: 3px;
  text-underline-offset: 8px;
}

.hero-sub {
  margin-top: 18px;
  font-size: 19px;
  line-height: 1.45;
  color: var(--ink-2);
  font-family: "Newsreader", serif;
  font-style: italic;
  max-width: 46ch;
}

.cta-row {
  display: flex;
  gap: 12px;
  margin-top: 26px;
  align-items: center;
  flex-wrap: wrap;
}

.hero-trust {
  margin-top: 14px;
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--ink-2);
}

.hero-trust strong {
  color: var(--ink);
  font-weight: 600;
}

.hero-trust .dot-sep {
  color: var(--muted);
  opacity: 0.6;
}

/* ------------------------------------- BOTTLE */
.bottle-stage {
  position: relative;
  aspect-ratio: 3/4.5;
  display: flex;
  align-items: center;
  justify-content: center;
  filter: drop-shadow(0 20px 40px rgba(10,20,14,0.18));
}

.bottle-bg {
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(90deg, transparent 0 23px, color-mix(in oklab, var(--ink) 10%, transparent) 23px 24px);
  opacity: 0.25;
  pointer-events: none;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 55%, #000 30%, transparent 80%);
}

.bottle {
  position: relative;
  width: 62%;
  height: 92%;
  display: flex;
  flex-direction: column;
  align-items: stretch;
}

.cap {
  height: 12%;
  background: var(--ink);
  border-radius: 3px 3px 1px 1px;
  margin: 0 18%;
  position: relative;
}

.cap::after {
  content: '';
  position: absolute;
  left: 8%;
  right: 8%;
  bottom: -6px;
  height: 10px;
  background: var(--ink);
  border-radius: 1px;
}

.neck {
  height: 4%;
  background: color-mix(in oklab, var(--ink) 85%, var(--bg));
  margin: 4px 28% 0;
  border-radius: 1px;
}

.body {
  flex: 1;
  margin-top: 8px;
  background: linear-gradient(170deg,
    color-mix(in oklab, var(--accent) 85%, #000 15%) 0%,
    color-mix(in oklab, var(--accent) 92%, #000 5%) 50%,
    color-mix(in oklab, var(--accent) 70%, #000 30%) 100%);
  border-radius: 6px 6px 4px 4px;
  position: relative;
  overflow: hidden;
  box-shadow:
    inset 4px 0 20px rgba(0,0,0,0.25),
    inset -6px 0 18px rgba(255,255,255,0.08);
}

.body::before {
  content: '';
  position: absolute;
  left: 8%;
  top: 0;
  bottom: 0;
  width: 14%;
  background: linear-gradient(90deg, rgba(255,255,255,0.18), transparent);
  filter: blur(3px);
}

.body::after {
  content: '';
  position: absolute;
  right: 10%;
  top: 0;
  bottom: 0;
  width: 8%;
  background: linear-gradient(90deg, transparent, rgba(0,0,0,0.35));
  filter: blur(2px);
}

.label {
  position: absolute;
  left: 8%;
  right: 8%;
  top: 16%;
  bottom: 14%;
  background: var(--paper);
  color: var(--ink);
  border: 1px solid color-mix(in oklab, var(--ink) 70%, transparent);
  padding: 14px 12px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 1px 0 rgba(255,255,255,0.5) inset, 0 6px 12px rgba(0,0,0,0.12);
}

.label-top {
  border-bottom: 1px solid var(--ink);
  padding-bottom: 8px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  font-family: "JetBrains Mono", monospace;
  font-size: 8.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
}

.label-center {
  text-align: center;
  padding: 6px 0;
}

.label-center .k {
  font-family: "Old Standard TT", serif;
  font-weight: 700;
  font-size: 15px;
  line-height: 0.95;
  letter-spacing: 0.02em;
}

.label-center .s {
  font-family: "Old Standard TT", serif;
  font-weight: 700;
  font-size: 34px;
  line-height: 0.9;
  letter-spacing: -0.02em;
  margin-top: 2px;
}

.label-center .tag {
  margin-top: 4px;
  font-style: italic;
  font-size: 9px;
  color: var(--ink-2);
}

.label-bottom {
  border-top: 1px solid var(--ink);
  padding-top: 8px;
  font-family: "JetBrains Mono", monospace;
  font-size: 7.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 6px;
}

/* ------------------------------------- MARQUEE BAND */
.broadside-band {
  background: var(--ink);
  color: var(--bg);
  padding: 10px 0;
  overflow: hidden;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.marquee {
  display: flex;
  gap: 48px;
  white-space: nowrap;
  animation: scroll 40s linear infinite;
  font-family: "Old Standard TT", serif;
  font-size: 20px;
  letter-spacing: 0.02em;
}

.marquee .star {
  color: var(--accent-2);
}

/* ------------------------------------- PROOF STRIP */
.proof-strip {
  background: var(--bg-2);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 44px 0;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

/* ------------------------------------- INGREDIENTS */
.ing-intro {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 60px;
  border-top: 1px solid var(--rule);
  padding-top: 32px;
}

.ing-intro p {
  font-size: 19px;
  line-height: 1.55;
  margin: 0 0 14px;
}

.ing-intro .lead {
  font-family: "Old Standard TT", serif;
  font-size: 24px;
  line-height: 1.35;
  font-weight: 400;
}

.ing-intro .lead::first-letter {
  font-size: 68px;
  line-height: 0.85;
  float: left;
  padding: 6px 10px 0 0;
  font-family: "Old Standard TT", serif;
  font-weight: 700;
  color: var(--accent);
}

/* Periodic table */
.periodic {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 10px;
}

.element {
  background: var(--bg-2);
  border: 1px solid var(--rule);
  padding: 20px 18px 18px;
  aspect-ratio: 1 / 1.05;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
  transition: all 200ms cubic-bezier(.2,.8,.2,1);
}

.element:hover {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
  transform: translateY(-2px);
}

.element:hover .el-small { color: var(--bg); opacity: 0.7; }
.element:hover .el-num { color: var(--accent-2); }
.element:hover .el-mech { color: var(--bg); }

.element .el-num {
  font-family: "JetBrains Mono", monospace;
  font-size: 9px;
  letter-spacing: 0.06em;
  color: var(--muted);
  position: absolute;
  top: 12px;
  left: 14px;
  max-width: 42%;
  overflow: hidden;
  white-space: nowrap;
}

.element .el-dose {
  font-family: "JetBrains Mono", monospace;
  font-size: 9px;
  color: var(--muted);
  position: absolute;
  top: 12px;
  right: 14px;
  max-width: 42%;
  text-align: right;
  white-space: nowrap;
}

.element .el-sym {
  font-family: "Old Standard TT", serif;
  font-weight: 700;
  font-size: clamp(28px, 4.2vw, 62px);
  line-height: 0.9;
  margin-top: 14px;
  letter-spacing: -0.02em;
}

.element .el-name {
  font-family: "Newsreader", serif;
  font-style: italic;
  font-size: 15px;
  margin-top: 6px;
}

.element .el-mech {
  font-size: 12px;
  line-height: 1.35;
  color: var(--ink-2);
  margin-top: 10px;
}

.element .el-small {
  font-family: "JetBrains Mono", monospace;
  font-size: 9px;
  letter-spacing: 0.12em;
  color: var(--muted);
  text-transform: uppercase;
}

.element.featured {
  grid-column: span 2;
  grid-row: span 2;
  background: var(--accent);
  color: var(--paper);
  border-color: var(--accent);
}

.element.featured .el-num,
.element.featured .el-dose,
.element.featured .el-mech,
.element.featured .el-small {
  color: var(--paper);
  opacity: 0.85;
}

.element.featured:hover {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}

.element.featured .el-sym {
  font-size: clamp(48px, 7.4vw, 140px);
}

/* Ingredient detail panel */
.ing-detail {
  margin-top: 40px;
  border-top: 3px solid var(--rule);
  padding-top: 28px;
  display: grid;
  grid-template-columns: 240px 1fr 260px;
  gap: 40px;
  min-height: 260px;
}

.ing-detail .big-sym {
  font-family: "Old Standard TT", serif;
  font-weight: 700;
  font-size: 200px;
  line-height: 0.85;
  letter-spacing: -0.04em;
  color: var(--ink);
}

.ing-detail .dt-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 6px;
  margin-bottom: 14px;
}

.ing-detail .dt-head .name {
  font-family: "Old Standard TT", serif;
  font-weight: 700;
  font-size: 28px;
}

.ing-detail .dt-head .conc {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--muted);
  text-transform: uppercase;
}

.ing-detail .mech-body {
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink-2);
  margin: 0 0 14px;
}

.ing-detail .mech-body strong {
  color: var(--ink);
  font-weight: 600;
}

.ing-detail .cites {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  line-height: 1.7;
  color: var(--muted);
}

.ing-detail .cites .tag {
  display: inline-block;
  background: var(--ink);
  color: var(--bg);
  padding: 1px 6px;
  margin-right: 6px;
  letter-spacing: 0.1em;
  font-size: 10px;
}

.ing-detail .facts {
  border-left: 1px solid var(--rule);
  padding-left: 24px;
}

.ing-detail .fact {
  margin-bottom: 14px;
}

.ing-detail .fact .l {
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 2px;
}

.ing-detail .fact .v {
  font-family: "Old Standard TT", serif;
  font-size: 18px;
  color: var(--ink);
}

/* ------------------------------------- MECHANISM */
.mech-wrap {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  align-items: center;
}

.mech-copy h3 {
  font-family: "Old Standard TT", serif;
  font-weight: 700;
  font-size: 26px;
  margin: 0 0 10px;
}

.mech-copy p {
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink-2);
  margin: 0 0 12px;
}

.mech-copy .pathway {
  margin-top: 24px;
  padding: 18px;
  border: 1px solid var(--rule);
  background: var(--paper);
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink);
}

.mech-copy .pathway .arrow { color: var(--accent); }
.mech-copy .pathway .step { display: block; }

.follicle {
  width: 100%;
  height: auto;
  display: block;
}

/* Follicle diagram */
.follicle-diagram {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.follicle-container {
  position: relative;
  width: 100%;
  max-width: 500px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
}

.follicle-container svg {
  width: 100%;
  max-width: 280px;
}

.follicle-annotations {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.follicle-annot {
  padding: 12px 16px;
  border-left: 3px solid var(--accent);
  background: var(--bg-2);
}

.follicle-annot .annot-num {
  display: inline-block;
  width: 20px;
  height: 20px;
  background: var(--accent);
  color: var(--bg);
  border-radius: 50%;
  text-align: center;
  line-height: 20px;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  font-weight: 600;
  margin-right: 8px;
}

.follicle-annot .annot-title {
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink);
}

.follicle-annot .annot-detail {
  display: block;
  margin-top: 4px;
  font-family: "Newsreader", serif;
  font-style: italic;
  font-size: 13px;
  color: var(--ink-2);
}

.follicle-caption {
  margin-top: 16px;
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  text-align: center;
}

/* ------------------------------------- COMPARISON */
.compare {
  border-top: 3px solid var(--rule);
  border-bottom: 3px solid var(--rule);
}

.compare-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
}

.compare-grid > div {
  padding: 18px 20px;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  font-size: 15px;
  line-height: 1.4;
}

.compare-grid > div:last-child {
  border-right: 0;
}

.compare-head {
  background: var(--ink);
  color: var(--bg);
  font-family: "Old Standard TT", serif;
  font-weight: 700;
  font-size: 20px;
  padding: 24px 20px !important;
  line-height: 1.1;
}

.compare-head .sub {
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  color: color-mix(in oklab, var(--bg) 70%, transparent);
  font-weight: 400;
  letter-spacing: 0.14em;
  display: block;
  margin-top: 6px;
  text-transform: uppercase;
}

.compare-head.ours {
  background: var(--accent);
}

.compare-row-label {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ------------------------------------- BEFORE / AFTER SLIDER */
.ba-slider {
  position: relative;
  width: 100%;
  max-width: 700px;
  margin: 0 auto;
  aspect-ratio: 1/1;
  overflow: hidden;
  border: 3px solid var(--accent);
  cursor: ew-resize;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  touch-action: pan-y;
}

.ba-slider img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  pointer-events: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-user-drag: none;
  -webkit-touch-callout: none;
}

.ba-slider .ba-after {
  clip-path: inset(0 0 0 50%);
}

.ba-slider .ba-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 4px;
  background: var(--bg);
  transform: translateX(-50%);
  cursor: ew-resize;
  z-index: 10;
  box-shadow: 0 0 12px rgba(0,0,0,0.4);
}

.ba-slider .ba-handle::before,
.ba-slider .ba-handle::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 12px;
  height: 12px;
  background: var(--bg);
  border: 2px solid var(--accent);
  border-radius: 50%;
  transform: translateY(-50%);
}

.ba-slider .ba-handle::before { left: -14px; }
.ba-slider .ba-handle::after { right: -14px; }

.ba-slider .ba-label-before,
.ba-slider .ba-label-after {
  position: absolute;
  top: 16px;
  padding: 8px 14px;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  z-index: 5;
}

.ba-slider .ba-label-before {
  left: 16px;
  background: var(--ink);
  color: var(--bg);
}

.ba-slider .ba-label-after {
  right: 16px;
  background: var(--accent);
  color: var(--paper);
}

.ba-slider .ba-instructions {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--ink);
  color: var(--bg);
  padding: 6px 12px;
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.9;
  z-index: 5;
  pointer-events: none;
}

.ba-cap {
  margin-top: 18px;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

/* ------------------------------------- ROUTINE */
.routine {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
}

.step-card {
  padding: 28px 24px 32px;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  position: relative;
  min-height: 300px;
  display: flex;
  flex-direction: column;
}

.step-num {
  font-family: "Old Standard TT", serif;
  font-weight: 700;
  font-size: 100px;
  line-height: 0.85;
  color: var(--accent);
  margin-bottom: 10px;
}

.step-num .x {
  font-size: 40px;
  color: var(--muted);
  vertical-align: 30px;
  margin-left: 6px;
  font-style: italic;
}

.step-name {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 4px;
}

.step-title {
  font-family: "Old Standard TT", serif;
  font-weight: 700;
  font-size: 22px;
  line-height: 1.1;
  margin: 0 0 10px;
}

.step-body {
  font-size: 15px;
  line-height: 1.5;
  color: var(--ink-2);
  margin: 0;
}

.step-time {
  margin-top: auto;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.12em;
  padding-top: 16px;
}

/* ------------------------------------- FOUNDER */
.founder {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.founder-portrait {
  aspect-ratio: 4/5;
  background:
    repeating-linear-gradient(135deg, var(--bg-2) 0 8px, color-mix(in oklab, var(--bg-2) 92%, var(--ink)) 8px 9px);
  border: 1px solid var(--rule);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.portrait-caption {
  position: absolute;
  bottom: -1px;
  left: -1px;
  right: -1px;
  background: var(--ink);
  color: var(--bg);
  padding: 10px 14px;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  display: flex;
  justify-content: space-between;
}

.founder-text .fletter {
  font-family: "Old Standard TT", serif;
  font-size: 20px;
  line-height: 1.5;
  margin-bottom: 16px;
}

.founder-text .fletter::first-letter {
  font-size: 80px;
  line-height: 0.8;
  float: left;
  padding: 8px 12px 0 0;
  color: var(--accent);
  font-weight: 700;
}

.founder-text .sign {
  font-family: "Old Standard TT", serif;
  font-style: italic;
  font-size: 22px;
  margin-top: 20px;
}

.founder-text .sign-name {
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 4px;
}

/* ------------------------------------- PRICING */
.plans {
  display: grid;
  grid-template-columns: 1fr 1.2fr 1fr;
  gap: 24px;
  margin-top: 40px;
}

.plan {
  border: 1px solid var(--rule);
  padding: 32px 28px 36px;
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--paper);
}

.plan.featured {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
  transform: translateY(-12px);
}

.plan.featured .plan-name,
.plan.featured .plan-price,
.plan.featured .plan-muted { color: var(--bg); }

.plan .plan-name {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.plan .plan-title {
  font-family: "Old Standard TT", serif;
  font-weight: 700;
  font-size: 30px;
  margin: 10px 0 6px;
}

.plan .plan-desc {
  font-size: 15px;
  color: var(--ink-2);
  margin: 0 0 24px;
  line-height: 1.45;
}

.plan.featured .plan-desc {
  color: color-mix(in oklab, var(--bg) 78%, transparent);
}

.plan .plan-price {
  font-family: "Old Standard TT", serif;
  font-weight: 700;
  font-size: 64px;
  line-height: 1;
}

.plan .plan-price .unit {
  font-size: 18px;
  color: var(--muted);
  font-weight: 400;
  font-style: italic;
  margin-left: 4px;
}

.plan.featured .plan-price .unit {
  color: color-mix(in oklab, var(--bg) 70%, transparent);
}

.plan .plan-list {
  list-style: none;
  padding: 20px 0 0;
  margin: 20px 0 26px;
  border-top: 1px solid var(--rule);
  font-size: 15px;
  line-height: 1.6;
}

.plan.featured .plan-list {
  border-top-color: color-mix(in oklab, var(--bg) 40%, transparent);
}

.plan .plan-list li {
  display: flex;
  gap: 10px;
  padding: 3px 0;
}

.plan .plan-list li::before {
  content: '✓';
  color: var(--accent);
  font-weight: 700;
  font-family: "Old Standard TT", serif;
}

.plan.featured .plan-list li::before {
  color: var(--accent-2);
}

.plan .plan-btn {
  margin-top: auto;
  text-align: center;
  background: var(--ink);
  color: var(--bg);
  padding: 14px;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid var(--ink);
}

.plan.featured .plan-btn {
  background: var(--accent);
  border-color: var(--accent);
}

.plan-badge {
  position: absolute;
  top: -14px;
  left: 28px;
  background: var(--accent);
  color: var(--paper);
  padding: 5px 12px;
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.plan-pick {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}

.plan-pick button {
  background: var(--bg);
  color: var(--ink);
  border: 1px solid var(--rule);
  padding: 10px 6px;
  cursor: pointer;
  text-align: center;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.plan-pick button.active {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}

.plan.featured .plan-pick button {
  background: color-mix(in oklab, var(--bg) 10%, transparent);
  color: var(--bg);
  border-color: color-mix(in oklab, var(--bg) 35%, transparent);
}

.plan.featured .plan-pick button.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--paper);
}

.plan-pick button small {
  display: block;
  font-size: 9px;
  opacity: 0.6;
  margin-top: 2px;
  letter-spacing: 0.08em;
}

/* ------------------------------------- FAQ */
.faq {
  border-top: 3px solid var(--rule);
}

.faq details {
  border-bottom: 1px solid var(--rule);
  padding: 22px 0;
}

.faq summary {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: 48px 1fr auto;
  gap: 20px;
  align-items: baseline;
  font-family: "Old Standard TT", serif;
  font-weight: 700;
  font-size: 22px;
  line-height: 1.2;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary .q-num {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.14em;
  padding-top: 4px;
}

.faq summary .q-mark {
  font-family: "Old Standard TT", serif;
  font-weight: 400;
  font-size: 28px;
  color: var(--accent);
  transition: transform 200ms;
}

.faq details[open] summary .q-mark {
  transform: rotate(45deg);
}

.faq .a {
  padding: 14px 20px 6px 68px;
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink-2);
  max-width: 75ch;
}

/* ------------------------------------- GLOSSARY */
.glossary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  border-top: 3px solid var(--rule);
  padding-top: 40px;
}

.gloss-term {
  margin-bottom: 22px;
  border-bottom: 1px dotted var(--rule);
  padding-bottom: 14px;
}

.gloss-term dt {
  font-family: "Old Standard TT", serif;
  font-weight: 700;
  font-size: 18px;
  margin-bottom: 4px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.gloss-term dt .ipa {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  color: var(--muted);
  font-weight: 400;
}

.gloss-term dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.45;
  color: var(--ink-2);
}

.gloss-term dd .pos {
  font-style: italic;
  color: var(--muted);
  margin-right: 6px;
}

/* ------------------------------------- REFERENCES */
.refs {
  columns: 2;
  column-gap: 48px;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  line-height: 1.6;
  color: var(--ink-2);
}

.refs .ref {
  break-inside: avoid;
  margin-bottom: 14px;
  padding-left: 44px;
  position: relative;
}

.refs .ref .n {
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent);
  font-weight: 600;
}

.refs .ref .j {
  font-style: italic;
  color: var(--muted);
  font-family: "Newsreader", serif;
  font-size: 13px;
}

.refs .ref a {
  color: var(--ink);
}

/* ------------------------------------- FOOTER */
footer {
  background: var(--ink);
  color: var(--bg);
  padding: 80px 0 100px; /* extra bottom padding for sticky buy bar */
  border-top: 3px solid var(--rule);
}

footer .foot-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}

footer .foot-logo {
  font-family: "Old Standard TT", serif;
  font-weight: 700;
  font-size: 44px;
  line-height: 0.9;
}

footer .foot-logo .sm {
  display: block;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: color-mix(in oklab, var(--bg) 65%, transparent);
  margin-top: 14px;
}

footer h5 {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: color-mix(in oklab, var(--bg) 70%, transparent);
  margin: 0 0 14px;
}

footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 14px;
  line-height: 1.9;
}

footer ul a {
  color: var(--bg);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

footer ul a:hover {
  border-bottom-color: var(--bg);
}

footer .finale {
  margin-top: 80px;
  text-align: center;
  font-family: "Old Standard TT", serif;
  font-size: 16px;
  color: color-mix(in oklab, var(--bg) 70%, transparent);
  font-style: italic;
  border-top: 1px solid color-mix(in oklab, var(--bg) 25%, transparent);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* ------------------------------------- STICKY BUY BAR */
.sticky-buy {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 50;
  background: var(--ink);
  color: var(--bg);
  transform: translateY(110%);
  transition: transform 300ms cubic-bezier(.2,.8,.2,1);
  border-top: 1px solid var(--rule);
}

.sticky-buy.visible {
  transform: translateY(0);
}

.sticky-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 12px 40px;
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  gap: 24px;
  align-items: center;
}

.sb-mark {
  font-family: "Old Standard TT", serif;
  font-weight: 700;
  font-size: 18px;
}

.sb-meta {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: color-mix(in oklab, var(--bg) 75%, transparent);
}

.sb-meta strong {
  color: var(--bg);
  font-weight: 600;
}

.sb-qty {
  display: inline-flex;
  align-items: center;
  gap: 0;
  border: 1px solid color-mix(in oklab, var(--bg) 30%, transparent);
}

.sb-qty button {
  background: transparent;
  border: 0;
  color: var(--bg);
  width: 32px;
  height: 32px;
  cursor: pointer;
  font-family: "Old Standard TT", serif;
  font-size: 18px;
}

.sb-qty button:hover {
  background: color-mix(in oklab, var(--bg) 15%, transparent);
}

.sb-qty .n {
  width: 36px;
  text-align: center;
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
}

.sb-btn {
  background: var(--accent);
  color: var(--paper);
  padding: 10px 22px;
  text-decoration: none;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border: 1px solid var(--accent);
}

.sb-btn:hover {
  filter: brightness(1.1);
}

/* ------------------------------------- SINK BANNER */
.sink-banner {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  line-height: 1.35;
  white-space: pre;
  color: color-mix(in oklab, var(--bg) 55%, transparent);
  overflow-x: auto;
  margin-top: 40px;
}