/* Homepage notebook layer: the notebook frames the page, real product UI stays crisp. */
:root {
  --note-paper: var(--surface-off-white);
  --note-rule: color-mix(in srgb, var(--text-slate) 13%, transparent);
  --note-line: 24px;
  --note-tape-lime: color-mix(in srgb, var(--border-warm) 80%, var(--brand));
  --note-tape-teal: color-mix(in srgb, var(--component-border) 78%, var(--chart-context));
  --note-pen: color-mix(in srgb, var(--brand-ink) 45%, var(--text-soft));
  --note-pen-soft: color-mix(in srgb, var(--note-pen) 45%, transparent);
  --note-highlight: color-mix(in srgb, var(--brand) 60%, transparent);
  --note-hand: "Mansalva", "Bradley Hand", cursive;
  --note-shadow: 0 6px 12px rgba(26, 26, 26, 0.045), 0 16px 28px -18px rgba(26, 26, 26, 0.16);
  --sticky-shadow: 0 1px 2px rgba(26, 26, 26, 0.06), 0 14px 20px -14px rgba(26, 26, 26, 0.28);
  --sticky-fold: linear-gradient(to bottom, rgba(26, 26, 26, 0.035), transparent 26px);
  --tape-shape: polygon(2% 0, 98% 3%, 96% 22%, 100% 43%, 97% 64%, 99% 96%, 1% 100%, 3% 76%, 0 53%, 3% 29%);
}

/* Primitives */
.nb-paper {
  position: relative;
  background-color: var(--note-paper);
  background-image: linear-gradient(to bottom, transparent calc(100% - 1px), var(--note-rule) 0);
  background-size: 100% var(--note-line);
  background-position: 0 var(--rule-offset, 0px);
  box-shadow: var(--note-shadow);
}
.nb-tape::before,
.product-story .story-stage::before,
.care-home-demo::before,
#get-started .faq::before {
  content: "";
  position: absolute;
  z-index: 2;
  top: -9px;
  left: var(--tape-x, 50%);
  width: var(--tape-w, 72px);
  height: 19px;
  background: var(--tape-color, var(--note-tape-lime));
  opacity: 0.8;
  transform: translateX(-50%) rotate(var(--tape-angle, -3deg));
  clip-path: var(--tape-shape);
  pointer-events: none;
}
.nb-tape--teal { --tape-color: var(--note-tape-teal); --tape-angle: 3deg; }
.nb-hl {
  background: linear-gradient(transparent 58%, var(--note-highlight) 58%, var(--note-highlight) 92%, transparent 92%);
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
  padding-inline: 2px;
}
/* One handwriting spec everywhere, matching the learning-loop card titles. */
.nb-hand {
  color: var(--brand-ink);
  font: 400 clamp(17px, 1.8vw, 20px)/1.2 var(--note-hand);
  letter-spacing: 0;
  font-synthesis: none;
  -webkit-text-stroke: 0.35px var(--hand-surface, var(--note-paper));
  paint-order: fill stroke;
}
.nb-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}
.nb-chip {
  display: inline-flex;
  align-items: center;
  height: 18px;
  padding: 0 7px;
  border-radius: 999px;
  background: var(--brand-surface);
  color: var(--brand-ink);
  font-size: 11px;
}
.nb-button-outline {
  min-height: 54px;
  padding-inline: 24px;
  box-shadow: inset 0 0 0 1.5px var(--text-primary);
  color: var(--text-primary);
}
.nb-section-head {
  display: grid;
  justify-items: center;
  gap: 14px;
  max-width: 760px;
  margin: 0 auto 40px;
  text-align: center;
}
.nb-section-head h2 {
  margin: 0;
  font-size: clamp(32px, 3.6vw, 48px);
  line-height: 1.04;
  letter-spacing: -0.055em;
}
.nb-section-head p:not(.audience-badge) { max-width: 620px; margin: 0; color: var(--text-soft); font-size: 16px; line-height: 1.5; }
.nb-section-head .audience-badge { margin: 0; }
.nb-section-head--split {
  max-width: none;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  justify-items: start;
  text-align: left;
}
.nb-text-link {
  display: inline-flex;
  gap: 6px;
  font-size: 15px;
  font-weight: 700;
  text-decoration: underline;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 4px;
  white-space: nowrap;
}

/* Hero: an open notebook spread */
.nb-hero { padding: calc(var(--home-header-height, 88px) + clamp(8px, 1.6vw, 20px)) 0 clamp(28px, 3vw, 40px); }
.nb-hero .shell { width: min(1200px, calc(100% - (var(--page-pad) * 2))); }
.nb-spread {
  --rule-offset: 15px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: min(600px, calc(100dvh - var(--home-header-height, 88px) - 140px));
  background-image:
    linear-gradient(to right, transparent calc(50% - 26px), rgba(26, 26, 26, 0.055) 50%, transparent calc(50% + 26px)),
    linear-gradient(to bottom, transparent calc(100% - 1px), var(--note-rule) 0);
  background-size: 100% 100%, 100% var(--note-line);
  background-position: 0 0, 0 var(--rule-offset);
  border-radius: 4px;
}
.nb-spread.nb-tape::before { --tape-x: 18%; --tape-w: 96px; }
.nb-spread::after {
  content: "";
  position: absolute;
  z-index: 2;
  top: -9px;
  right: 10%;
  width: 96px;
  height: 19px;
  background: var(--note-tape-teal);
  opacity: 0.8;
  transform: rotate(4deg);
  clip-path: var(--tape-shape);
}
.nb-spread-page { position: relative; min-width: 0; padding: clamp(32px, 4.5vw, 64px) clamp(28px, 4.5vw, 64px); }
.nb-page-left { display: flex; flex-direction: column; justify-content: center; gap: 24px; }
.nb-page-right { display: grid; align-items: center; }
.nb-hero h1 {
  margin: 0;
  color: var(--text-primary);
  font-size: clamp(42px, 5.2vw, 72px);
  line-height: 0.98;
  letter-spacing: -0.06em;
}
.nb-hero-lead { max-width: 480px; margin: 0; color: var(--text-body); font-size: 17px; line-height: var(--note-line); }
.nb-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.nb-hero-actions .button { min-height: 48px; padding-inline: 24px; font-size: 15px; box-shadow: none; }
.nb-hero-actions .nb-button-outline { box-shadow: inset 0 0 0 1.5px var(--text-primary); }
.nb-margin-note { display: flex; align-items: center; gap: 8px; margin: 0; }
.nb-margin-note svg { flex: none; width: 34px; height: 22px; fill: none; stroke: var(--note-pen); stroke-width: 1.4; stroke-linecap: round; }

.nb-collage { position: relative; width: 100%; max-width: 560px; aspect-ratio: 560 / 600; margin: auto; }
.nb-collage > * { position: absolute; margin: 0; }
.nb-polaroid { --hand-surface: var(--background); left: 0; top: 8%; width: 54%; padding: 10px 10px 0; background: var(--background); box-shadow: var(--note-shadow); transform: rotate(-4deg); }
.nb-polaroid img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; object-position: 58% 50%; }
.nb-polaroid figcaption { padding: 8px 8px 10px; text-align: left; }
.nb-phone { right: 0; top: 0; width: 42%; padding: 7px; border-radius: 34px; background: var(--text-primary); box-shadow: 0 24px 50px -24px rgba(26, 26, 26, 0.45); transform: rotate(3.5deg); }
.nb-phone.nb-tape::before { top: -6px; }
.nb-phone img { width: 100%; border-radius: 27px; }
.nb-scrap {
  --hand-surface: var(--brand-surface);
  z-index: 3;
  left: 2%;
  bottom: 0;
  width: max(44%, 216px);
  padding: 14px 16px 16px;
  background: var(--sticky-fold), var(--brand-surface);
  box-shadow: var(--sticky-shadow);
  transform: rotate(1.5deg);
}
.nb-scrap header { display: flex; align-items: baseline; gap: 10px; margin-bottom: 8px; }
.nb-scrap header strong { line-height: 1; }
.nb-scrap header time { color: var(--text-soft); font-size: 12px; font-variant-numeric: tabular-nums; }
.nb-scrap dl { display: grid; gap: 6px; margin: 0; }
.nb-scrap dl div { display: flex; justify-content: space-between; align-items: center; gap: 8px; font-size: 12px; line-height: 18px; white-space: nowrap; }
.nb-scrap dt { color: var(--text-soft); }
.nb-scrap dd { margin: 0; font-weight: 500; }
.nb-scrap .nb-chip { background: var(--background); }
.nb-scrap .nb-sticker { position: absolute; top: -62px; right: -30px; width: 108px; filter: drop-shadow(0 10px 10px rgba(26, 26, 26, 0.2)); transform: rotate(8deg); }
.nb-pen-arrow { left: 56%; bottom: 11%; width: 11%; height: 10%; overflow: visible; fill: none; stroke: var(--note-pen); stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }
.nb-pen-arrow .nb-dash { stroke-dasharray: 3 4; }
.nb-arrow-note { left: 56%; bottom: 3%; width: 38%; transform: rotate(-2deg); }

.nb-sticky-notes {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(12px, 2vw, 28px);
  margin: -44px clamp(16px, 4vw, 56px) 0;
  padding: 0;
  list-style: none;
}
.nb-sticky {
  --hand-surface: var(--sticky-bg);
  display: grid;
  align-content: start;
  gap: 4px;
  min-height: 132px;
  padding: 16px 18px 18px;
  background: var(--sticky-fold), var(--sticky-bg);
  box-shadow: var(--sticky-shadow);
  transform: rotate(var(--tilt));
  transition: transform 200ms ease, box-shadow 200ms ease;
}
.nb-sticky-notes li:nth-child(1) .nb-sticky { --sticky-bg: var(--brand-surface); --tilt: -1.6deg; }
.nb-sticky-notes li:nth-child(2) .nb-sticky { --sticky-bg: #FFF8E1; --tilt: 1.2deg; }
.nb-sticky-notes li:nth-child(3) .nb-sticky { --sticky-bg: #E0F2F1; --tilt: -0.8deg; }
.nb-sticky-notes li:nth-child(4) .nb-sticky { --sticky-bg: var(--note-paper); --tilt: 1.6deg; }
.nb-sticky-index { color: var(--text-soft); font-size: 13px; font-weight: 500; font-variant-numeric: tabular-nums; }
.nb-sticky-title { margin-bottom: 2px; }
.nb-sticky-copy { color: var(--text-body); font-size: 14px; line-height: 1.45; }

/* Product demo: the live demo is a print taped into the notebook. */
.product-story .story-stage {
  position: relative;
  margin-top: 24px;
  padding: 10px 10px 0;
  background: var(--background);
  box-shadow: var(--note-shadow);
  transform: rotate(-0.4deg);
}
.product-story .story-stage::before { --tape-x: 22px; --tape-w: 104px; --tape-angle: -38deg; top: 10px; }
.product-story .story-showcase { border-radius: 2px; }
/* Polaroid caption: follows the selected tab. */
.product-story .story-stage::after {
  justify-self: start;
  padding: 10px 4px 12px 44px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 34 22'%3E%3Cpath d='M3 19c6-1 13-6 18-15' fill='none' stroke='%235A6236' stroke-width='1.4' stroke-linecap='round' stroke-dasharray='3 4'/%3E%3Cpath d='M15 6l6-3 2 7' fill='none' stroke='%235A6236' stroke-width='1.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") 4px 40% / 30px 20px no-repeat;
  color: var(--brand-ink);
  font: 400 clamp(17px, 1.8vw, 20px)/1.2 var(--note-hand);
  font-synthesis: none;
  -webkit-text-stroke: 0.35px var(--background);
  paint-order: fill stroke;
  content: "Checking a stuffed pepper before dinner";
}
.product-story:has(#story-tab-1[aria-selected="true"]) .story-stage::after { content: "Logging how lunch went"; }
.product-story:has(#story-tab-2[aria-selected="true"]) .story-stage::after { content: "Reading September’s health trend"; }
.product-story:has(#story-tab-3[aria-selected="true"]) .story-stage::after { content: "Notes for the next GI visit"; }
.product-story:has(#story-tab-4[aria-selected="true"]) .story-stage::after { content: "Planning this week’s meals"; }
.product-story:has(#story-tab-5[aria-selected="true"]) .story-stage::after { content: "Any food question, any time"; }
@media (min-width: 761px) {
  .home-paged .product-story .story-showcase { height: min(620px, calc(100dvh - 260px)); }
}
.product-story .story-tabs { border-bottom: 0; background-image: linear-gradient(to right, var(--note-pen-soft) 50%, transparent 50%); background-size: 8px 1px; background-repeat: repeat-x; background-position: 0 100%; }
.product-story .story-tab::after { display: none; }
.product-story .story-tab-label { align-self: center; justify-self: center; padding-inline: 2px; }
.product-story .story-tab[aria-selected="true"] .story-tab-label {
  background: linear-gradient(transparent 55%, var(--note-highlight) 55%, var(--note-highlight) 95%, transparent 95%);
}

/* Care team: index cards beside a clipped printout of the portal. */
.care-home-case {
  border: 0;
  border-radius: 2px;
  background: var(--note-paper);
  box-shadow: var(--note-shadow);
}
.care-home-case:hover { background-color: var(--note-paper); }
.care-home-case:nth-child(odd) { transform: rotate(-0.5deg); }
.care-home-case:nth-child(even) { transform: rotate(0.4deg); }
.care-home-case[aria-selected="true"] {
  background: var(--sticky-fold), var(--brand-surface);
  box-shadow: var(--sticky-shadow);
  transform: rotate(-1deg);
}
.care-home-case:active { transform: translateY(1px); }
.clinician-section .clinician-teaser .clinician-actions { column-gap: 12px; }
.care-home-demo { position: relative; }
.care-home-demo::before { --tape-color: var(--note-tape-teal); --tape-angle: 3deg; --tape-w: 96px; }
.care-home-window { padding: 8px; border: 0; border-radius: 2px; background: var(--background); box-shadow: var(--note-shadow); }
.care-home-frame-viewport { border-radius: 2px; }

/* Comparison: a ruled sheet with pen ticks */
.comparison-section { background: var(--background); }
.nb-sheet-wrap { position: relative; max-width: 920px; margin-inline: auto; }
.nb-sheet {
  --margin-x: clamp(16px, 7vw, 72px);
  padding: 0 clamp(16px, 4vw, 40px) 24px var(--margin-x);
  background-image:
    linear-gradient(to right, transparent calc(var(--margin-x) - 18px), color-mix(in srgb, var(--chart-context) 30%, transparent) calc(var(--margin-x) - 18px), color-mix(in srgb, var(--chart-context) 30%, transparent) calc(var(--margin-x) - 17px), transparent 0),
    linear-gradient(to bottom, transparent calc(100% - 1px), var(--note-rule) 0);
  background-size: 100% 100%, 100% var(--note-line);
}
.nb-sheet.nb-tape::before { --tape-x: 14%; }
.nb-sheet::after {
  content: "";
  position: absolute;
  top: -9px;
  right: 10%;
  width: 72px;
  height: 19px;
  background: var(--note-tape-teal);
  opacity: 0.8;
  transform: rotate(3deg);
  clip-path: var(--tape-shape);
}
.nb-compare { width: 100%; border-collapse: collapse; font-size: 15px; line-height: var(--note-line); }
.nb-compare th, .nb-compare td { padding: 24px 12px 0; vertical-align: bottom; }
.nb-compare thead th { font-weight: 500; text-align: center; }
.nb-compare thead th:nth-child(2) { color: var(--text-soft); }
.nb-compare thead th:nth-child(3) { color: var(--text-primary); font-weight: 700; }
.nb-compare tbody th { padding-left: 0; text-align: left; font-weight: 500; }
.nb-compare td { text-align: center; }
.nb-compare td:nth-child(2) { color: var(--text-soft); }
.nb-compare td:nth-child(3) { color: var(--text-primary); font-weight: 600; }
.nb-compare col:first-child { width: 42%; }
.nb-tick { display: inline-block; width: 26px; height: 24px; vertical-align: bottom; fill: none; stroke: var(--brand-ink); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.nb-tick--muted { stroke: var(--text-soft); }

/* Articles: index cards with taped photos */
.nb-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 36px 24px; margin: 0; padding: 0; list-style: none; }
.nb-card {
  --rule-offset: 0px;
  display: grid;
  grid-template-columns: clamp(150px, 44%, 210px) minmax(0, 1fr);
  grid-template-rows: auto 1fr;
  column-gap: 18px;
  height: 100%;
  min-height: 244px;
  padding: 24px 22px 18px;
  transform: rotate(var(--tilt, 0deg));
  transition: transform 220ms ease, box-shadow 220ms ease;
}
.nb-cards li:nth-child(3n + 1) .nb-card { --tilt: -0.6deg; }
.nb-cards li:nth-child(3n + 2) .nb-card { --tilt: 0.5deg; --tape-color: var(--note-tape-teal); --tape-angle: 3deg; }
.nb-cards li:nth-child(3n) .nb-card { --tilt: -0.3deg; }
.nb-card-photo { grid-row: 1 / 3; align-self: start; padding: 6px; background: var(--background); box-shadow: 0 2px 6px rgba(26, 26, 26, 0.08); transform: rotate(-1.5deg); }
.nb-card-photo img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; }
.nb-card-tag { display: flex; align-items: flex-end; height: 24px; }
.nb-card h3 { margin: 0; font-size: 19px; line-height: var(--note-line); letter-spacing: -0.02em; }
.nb-card p { margin: 0; color: var(--text-soft); font-size: 14px; line-height: var(--note-line); }

/* Get started and FAQ: a sticky note beside a page of questions */
#get-started .cta-panel { padding-top: 24px; }
#get-started .cta-content {
  --hand-surface: var(--brand-surface);
  padding: clamp(28px, 3.5vw, 44px);
  background: var(--sticky-fold), var(--brand-surface);
  box-shadow: var(--sticky-shadow);
  transform: rotate(-1deg);
}
#get-started .cta-content > p { font-size: 16px; }
#get-started .faq { position: relative; padding: 8px clamp(20px, 3vw, 32px); border-top: 0; background: var(--note-paper); box-shadow: var(--note-shadow); }
#get-started .faq::before { --tape-color: var(--note-tape-teal); --tape-angle: 3deg; }
#get-started .faq-item { border-top: 0; background-image: linear-gradient(to right, var(--note-pen-soft) 50%, transparent 50%); background-size: 8px 1px; background-repeat: repeat-x; background-position: 0 0; }
#get-started .faq-item:first-child { background-image: none; }
#get-started .faq-item:last-child { border-bottom: 0; }
#get-started .faq-question::after { border-color: var(--note-pen-soft); }
#get-started .medical-note,
.site-footer .footer-bottom { border-top: 0; background-image: linear-gradient(to right, var(--note-pen-soft) 50%, transparent 50%); background-size: 8px 1px; background-repeat: repeat-x; }

@media (hover: hover) and (pointer: fine) and (prefers-reduced-motion: no-preference) {
  .nb-sticky:hover { transform: rotate(0deg) translateY(-4px); box-shadow: 0 2px 4px rgba(26, 26, 26, 0.06), 0 22px 26px -16px rgba(26, 26, 26, 0.3); }
  .nb-card:hover { transform: rotate(0deg) translateY(-4px); box-shadow: 0 8px 16px rgba(26, 26, 26, 0.06), 0 26px 36px -20px rgba(26, 26, 26, 0.22); }
  .nb-button-outline:hover { background: var(--brand-surface); }
}

@media (max-width: 1100px) {
  .nb-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
  .nb-card { grid-template-columns: 150px minmax(0, 1fr); min-height: 0; padding: 18px 20px 14px; }
}
@media (max-width: 980px) {
  .nb-spread {
    grid-template-columns: 1fr;
    min-height: 0;
    background-image: linear-gradient(to bottom, transparent calc(100% - 1px), var(--note-rule) 0);
    background-size: 100% var(--note-line);
    background-position: 0 var(--rule-offset);
  }
  .nb-page-right { padding-top: 8px; }
  .nb-sticky-notes { grid-template-columns: repeat(2, 1fr); margin-top: -24px; }
}
@media (max-width: 760px) {
  .nb-section-head--split { grid-template-columns: 1fr; }
  .nb-cards {
    grid-template-columns: none;
    grid-auto-flow: column;
    grid-auto-columns: min(82vw, 320px);
    gap: 16px;
    overflow-x: auto;
    margin-inline: calc(var(--page-pad) * -1);
    padding: 14px var(--page-pad) 20px;
    scroll-padding-inline: var(--page-pad);
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
  }
  .nb-cards::-webkit-scrollbar { display: none; }
  .nb-cards li { scroll-snap-align: start; }
  .nb-card { grid-template-columns: minmax(0, 1fr); grid-template-rows: auto auto 1fr; }
  .nb-card-photo { grid-row: auto; margin-bottom: 4px; transform: rotate(-1deg); }
  .nb-card-photo img { aspect-ratio: 16 / 10; }
  #get-started .cta-panel { padding-top: 24px; }
#get-started .cta-content { transform: rotate(-0.6deg); }
  .care-home-case,
  .care-home-case:nth-child(odd),
  .care-home-case:nth-child(even),
  .care-home-case[aria-selected="true"] { transform: none; }
}
@media (max-width: 640px) {
  .nb-spread-page { padding: 32px 20px; }
  .nb-page-right { padding: 0 12px 36px; }
  .nb-hero-lead { font-size: 16px; }
  .nb-hero-actions .button { flex: 1 1 100%; }
  .nb-collage { aspect-ratio: 560 / 660; }
  .nb-polaroid { width: 58%; }
  .nb-phone { width: 44%; }
  .nb-scrap { left: 0; width: max(66%, 216px); }
  .nb-pen-arrow { left: 66%; bottom: 13%; width: 9%; height: 8%; }
  .nb-arrow-note { left: 68%; bottom: 0; width: 32%; }
  .nb-sticky-notes { margin-inline: 4px; gap: 12px; }
  .nb-sticky { min-height: 124px; padding: 14px 14px 16px; }
  .nb-sticky-copy { font-size: 13px; }
  .nb-compare { font-size: 14px; }
  .nb-compare th, .nb-compare td { padding-inline: 6px; }
  .nb-compare col:first-child { width: 40%; }
}
@media (prefers-reduced-motion: reduce) {
  .nb-sticky, .nb-card { transition: none; }
}
@media (forced-colors: active) {
  .nb-paper, .nb-sticky, .nb-scrap, #get-started .cta-content, #get-started .faq { border: 1px solid CanvasText; }
}