@import url("fonts.css");

/* ============================================================
   AskMyDocs - showcase site
   Direction: "Editorial dossier" - a typeset technical document.
   Rules, margin numbers, a datasheet methods table, annotated
   citations. No shadow cards, no browser mockups, no gradients.
   ============================================================ */

:root {
  --paper: #f4f6f7;
  --paper-2: #eef1f2;
  --ink: #14181a;
  --ink-soft: #46504f;
  --ink-mute: #74807f;
  --line: #cfd8da;
  --line-soft: #e0e6e7;

  --accent: #0e5a6b;
  --accent-strong: #0a424e;
  --marker: #ffd65a;
  --marker-soft: #ffe9a8;
  --good: #1f7a4d;

  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body: "Hanken Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --maxw: 1120px;
  --gutter: clamp(1.15rem, 4vw, 2.5rem);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover {
  color: var(--accent-strong);
}

p {
  margin: 0;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.06;
  letter-spacing: -0.012em;
  margin: 0;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* Mono utility labels */
.mono {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* Signature: highlighter marker */
mark.hl {
  background: linear-gradient(
    100deg,
    rgba(255, 214, 90, 0) 0.3%,
    var(--marker-soft) 1.2%,
    var(--marker) 5%,
    var(--marker) 95%,
    var(--marker-soft) 98.8%,
    rgba(255, 214, 90, 0) 99.7%
  );
  color: inherit;
  padding: 0.02em 0.1em;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

/* ---------- Buttons: flat, sharp, editorial ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.7rem 1.15rem;
  border: 1.5px solid var(--ink);
  border-radius: 2px;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.btn svg {
  width: 1.05em;
  height: 1.05em;
}
.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.btn-primary:hover {
  background: var(--accent-strong);
  border-color: var(--accent-strong);
  color: #fff;
}
.btn-ghost:hover {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

/* Arrowed inline link */
.arrow {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--accent);
  border-bottom: 1.5px solid var(--accent);
  padding-bottom: 2px;
}
.arrow::before {
  content: "-> ";
}
.arrow:hover {
  color: var(--accent-strong);
  border-color: var(--accent-strong);
}

/* ---------- Masthead ---------- */
.masthead {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--paper);
  border-bottom: 1px solid var(--ink);
}
.masthead-row {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  min-height: 60px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.brand:hover {
  color: var(--ink);
}
.brand .logo {
  width: 26px;
  height: 26px;
  flex: none;
}
.brand b {
  color: var(--accent);
  font-weight: 600;
}
.masthead-meta {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.masthead-nav {
  display: flex;
  gap: 1.15rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.masthead-nav a {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.masthead-nav a:hover {
  color: var(--accent);
}
.masthead-actions {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-left: auto;
}

.lang-switch {
  display: inline-flex;
  border: 1px solid var(--ink);
  border-radius: 2px;
  overflow: hidden;
}
.lang-switch button {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  border: none;
  background: transparent;
  color: var(--ink-mute);
  padding: 0.3rem 0.55rem;
  cursor: pointer;
}
.lang-switch button + button {
  border-left: 1px solid var(--line);
}
.lang-switch button[aria-pressed="true"] {
  background: var(--ink);
  color: var(--paper);
}

/* ---------- Section scaffolding ---------- */
.runhead {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding-top: 1rem;
  padding-bottom: 1.1rem;
  border-top: 2px solid var(--ink);
}
.runhead .num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.08em;
}
.runhead .name {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink);
}
.runhead .meta {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--ink-mute);
  text-align: right;
}

.section {
  padding-bottom: clamp(3rem, 6vw, 5rem);
}
.section-lead {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: end;
  padding-top: clamp(1.5rem, 3vw, 2.5rem);
}
.section-lead h2 {
  font-size: clamp(1.9rem, 3.8vw, 3rem);
}
.section-lead p {
  color: var(--ink-soft);
  font-size: 1.02rem;
}

/* ---------- Hero ---------- */
.hero {
  padding-top: clamp(2.5rem, 6vw, 4.5rem);
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
}
.hero-kicker {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: clamp(1.75rem, 4vw, 2.75rem);
}
.hero-kicker .r {
  margin-left: auto;
  color: var(--ink-mute);
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}
.hero h1 {
  font-size: clamp(2.7rem, 6vw, 5.2rem);
  letter-spacing: -0.028em;
}
.hero h1 em {
  font-style: italic;
  color: var(--accent);
}
.hero-lede {
  margin-top: 1.5rem;
  max-width: 30rem;
  font-size: 1.14rem;
  line-height: 1.55;
  color: var(--ink-soft);
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}
.hero-note {
  margin-top: 1.75rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  color: var(--ink-mute);
}

/* Annotated citation (the signature, print style) */
.figure {
  border-top: 2px solid var(--accent);
  padding-top: 0.85rem;
}
.figure .cap {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.excerpt-block {
  border-left: 2px solid var(--accent);
  padding-left: 1.15rem;
  margin-top: 1.1rem;
}
.excerpt-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ink-mute);
  margin-bottom: 0.7rem;
}
.excerpt-meta .score {
  color: var(--good);
}
.excerpt-text {
  font-family: var(--font-display);
  font-size: 1.12rem;
  line-height: 1.5;
  color: var(--ink);
}
.excerpt-answer {
  margin-top: 1.1rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.55;
  color: var(--accent-strong);
}
.excerpt-answer::before {
  content: "-> ";
  color: var(--ink-mute);
}
.excerpt-answer .cite {
  color: var(--ink-mute);
}

/* ---------- 01 Overview: three ruled columns ---------- */
.columns {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}
.columns > div {
  padding: 0.5rem 1.5rem 0 0;
}
.columns > div + div {
  padding-left: 1.5rem;
  border-left: 1px solid var(--line);
}
.col-k {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--accent);
}
.columns h3 {
  font-size: 1.4rem;
  margin-top: 0.8rem;
}
.columns p {
  margin-top: 0.6rem;
  color: var(--ink-soft);
  font-size: 0.97rem;
}

/* ---------- 02 Pipeline: big numerals, ruled ---------- */
.pipeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.pipeline > div {
  padding: 0 1.25rem 0 0;
}
.pipeline > div + div {
  padding-left: 1.25rem;
  border-left: 1px solid var(--line);
}
.pipeline .n {
  font-family: var(--font-display);
  font-size: 2.6rem;
  line-height: 1;
  color: var(--accent);
}
.pipeline h3 {
  font-size: 1.18rem;
  margin-top: 0.7rem;
}
.pipeline p {
  margin-top: 0.5rem;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

/* ---------- 03 Methods: datasheet table ---------- */
.spec {
  width: 100%;
  border-collapse: collapse;
  margin-top: 0.5rem;
}
.spec th,
.spec td {
  text-align: left;
  vertical-align: top;
  padding: 1.1rem 1.25rem 1.1rem 0;
  border-bottom: 1px solid var(--line);
}
.spec thead th {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
  font-weight: 500;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 0.7rem;
}
.spec .m-name {
  font-family: var(--font-display);
  font-size: 1.28rem;
  color: var(--ink);
  white-space: nowrap;
}
.spec .m-tag {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-top: 0.35rem;
}
.spec .m-desc {
  color: var(--ink-soft);
  font-size: 0.97rem;
  padding-right: 1.5rem;
}
.spec .m-best {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ink);
  white-space: nowrap;
}

/* ---------- 04 Under the hood ---------- */
.uth {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: start;
}
.stack-line {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 2.1;
  color: var(--ink-soft);
}
.stack-line b {
  color: var(--ink);
  font-weight: 500;
}
.notes {
  list-style: none;
  margin: 0;
  padding: 0;
}
.notes li {
  padding: 1rem 0;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr);
  gap: 1.25rem;
}
.notes li:first-child {
  border-top: none;
  padding-top: 0;
}
.notes h3 {
  font-size: 1.05rem;
}
.notes p {
  color: var(--ink-soft);
  font-size: 0.94rem;
}

/* ---------- 05 Closing ---------- */
.closing {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: center;
  padding-top: clamp(1.5rem, 3vw, 2.5rem);
}
.closing h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
}
.closing p {
  margin-top: 1rem;
  color: var(--ink-soft);
  max-width: 32rem;
}
.closing-actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: flex-start;
}

/* ---------- Footer / colophon ---------- */
.colophon {
  border-top: 2px solid var(--ink);
  padding-block: 2rem 2.5rem;
  margin-top: 1rem;
}
.colophon-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 3rem;
  justify-content: space-between;
}
.colophon-brand {
  max-width: 24rem;
}
.colophon-brand p {
  margin-top: 0.7rem;
  font-size: 0.88rem;
  color: var(--ink-mute);
}
.colophon-links {
  display: flex;
  gap: 3rem;
  flex-wrap: wrap;
}
.colophon-col h4 {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin: 0 0 0.85rem;
  font-weight: 500;
}
.colophon-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}
.colophon-col a {
  font-size: 0.9rem;
  color: var(--ink-soft);
}
.colophon-col a:hover {
  color: var(--accent);
}
.colophon-bottom {
  margin-top: 2rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.5rem;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.03em;
  color: var(--ink-mute);
}

/* ---------- Legal page ---------- */
.legal {
  padding-block: clamp(2rem, 5vw, 3.5rem) clamp(2.5rem, 6vw, 4.5rem);
}
.legal-head {
  border-bottom: 2px solid var(--ink);
  padding-bottom: 1.5rem;
}
.legal-head h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  margin-top: 0.9rem;
}
.legal-head p {
  margin-top: 0.85rem;
  color: var(--ink-soft);
  max-width: 42rem;
}
.legal-block {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2.4fr);
  gap: 1.25rem clamp(1.5rem, 4vw, 3rem);
  padding: 1.6rem 0;
  border-bottom: 1px solid var(--line);
}
.legal-block h2 {
  font-size: 1.35rem;
  display: flex;
  gap: 0.7rem;
  align-items: baseline;
}
.legal-block h2 .n {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 700;
}
.legal-block p {
  color: var(--ink-soft);
  font-size: 0.98rem;
}
.legal-block a {
  word-break: break-word;
}
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* ---------- Reveal (subtle, opacity only) ---------- */
.js .reveal {
  opacity: 0;
  transition: opacity 0.5s ease;
}
.js .reveal.in {
  opacity: 1;
}

/* ---------- Responsive ---------- */
@media (max-width: 880px) {
  .hero-grid,
  .section-lead,
  .uth,
  .closing {
    grid-template-columns: 1fr;
  }
  .columns {
    grid-template-columns: 1fr;
  }
  .columns > div {
    padding: 1.15rem 0;
    border-top: 1px solid var(--line);
  }
  .columns > div + div {
    padding-left: 0;
    border-left: none;
  }
  .columns > div:first-child {
    padding-top: 0.5rem;
  }
  .pipeline {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem 0;
  }
  .pipeline > div {
    padding: 0 1rem;
  }
  .pipeline > div:nth-child(odd) {
    padding-left: 0;
  }
  .pipeline > div:nth-child(even) {
    border-left: 1px solid var(--line);
  }
  .closing-actions {
    flex-direction: row;
    flex-wrap: wrap;
  }
}

@media (max-width: 620px) {
  body {
    font-size: 16px;
  }
  .masthead-nav {
    display: none;
  }
  .masthead-meta {
    display: none;
  }
  .pipeline {
    grid-template-columns: 1fr;
  }
  .pipeline > div,
  .pipeline > div:nth-child(even) {
    padding-left: 0;
    border-left: none;
    border-top: 1px solid var(--line);
    padding-top: 1rem;
  }
  .pipeline > div:first-child {
    border-top: none;
    padding-top: 0;
  }
  /* Methods table collapses to stacked records */
  .spec,
  .spec tbody,
  .spec tr,
  .spec td {
    display: block;
    width: 100%;
  }
  .spec thead {
    display: none;
  }
  .spec tr {
    border-bottom: 1px solid var(--ink);
    padding-bottom: 1rem;
    margin-bottom: 1rem;
  }
  .spec td {
    border-bottom: none;
    padding: 0.2rem 0;
  }
  .spec .m-best::before {
    content: "Ideal: ";
    color: var(--ink-mute);
  }
  .notes li {
    grid-template-columns: 1fr;
    gap: 0.4rem;
  }
  .legal-block {
    grid-template-columns: 1fr;
    gap: 0.6rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    transition-duration: 0.001ms !important;
  }
  .js .reveal {
    opacity: 1;
  }
}