/* ==========================================================================
   THEME VARIABLES — the only place colors, spacing, and fonts are defined.
   Swap these to re-theme the whole app.
   ========================================================================== */
:root {
  /* Colors */
  --color-paper: #f5f1e8;
  --color-paper-raised: #fbf8f1;
  --color-ink: #2a2420;
  --color-ink-soft: #5c534a;
  --color-ink-faint: #9c9186;
  --color-rule: #d8cfc0;
  --color-accent: #a13d2e;
  --color-accent-soft: #e8d9d3;
  --color-error: #a13d2e;

  /* Typography */
  --font-serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --font-sans: "Inter", -apple-system, "Segoe UI", sans-serif;

  /* Spacing scale */
  --space-1: 0.4rem;
  --space-2: 0.8rem;
  --space-3: 1.4rem;
  --space-4: 2.2rem;
  --space-5: 3.4rem;
  --space-6: 5.2rem;

  /* Layout */
  --content-width: 900px;
}

/* ==========================================================================
   RESET & BASE
   ========================================================================== */
* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

button,
input,
textarea {
  font-family: inherit;
  color: inherit;
}

h1, h2, h3, p {
  margin: 0;
}

h1 a {
  text-decoration: none;
  color: var(--color-ink);
}

/* ==========================================================================
   PAGE SHELL
   ========================================================================== */
.page {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: var(--space-3) var(--space-3) var(--space-6);
}

/* ==========================================================================
   MASTHEAD
   ========================================================================== */
.masthead {
  text-align: center;
  margin-bottom: var(--space-3);
}

.masthead__rule {
  border-bottom: 1px solid var(--color-ink);
  margin: var(--space-2) 0;
}

.masthead__rule:first-child {
  margin-bottom: var(--space-2);
}

.masthead__kicker {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-ink-faint);
  margin-bottom: var(--space-2);
}

.masthead__title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(2.4rem, 6vw, 3.5rem);
  letter-spacing: -0.01em;
  margin: var(--space-1) 0;
}

.masthead__tagline {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--color-ink-soft);
  /* max-width: 480px; */
  margin: var(--space-2) auto var(--space-3);
}

/* ==========================================================================
   SCREENS
   ========================================================================== */
.screen[hidden] {
  display: none;
}

/* ==========================================================================
   HOMEPAGE HERO — index.html landing screen only. Keep this scoped to
   .page--home / .hero so result.html (which reuses .page and shares this
   stylesheet) is never affected.
   ========================================================================== */
.page--home {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: var(--space-4);
  padding-bottom: var(--space-4);
}

.hero {
  text-align: center;
}

.hero__logo {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: -0.01em;
  color: var(--color-ink);
  margin-bottom: var(--space-3);
}

.hero__headline {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  letter-spacing: -0.01em;
  line-height: 1.2;
  margin: 0 auto var(--space-2) auto;
  max-width: 660px;
  
}
.hero__smallheadline {
  font-family: var(--font-sans);
    font-size: 1.15rem;
    line-height: 1.4;
    color: var(--color-ink-soft);
    max-width: 560px;
    margin: var(--space-4) auto var(--space-3) auto;
}

.hero__rule {
      border-bottom: 2px solid var(--color-ink);
      max-width: 10%;
      margin: var(--space-2) auto var(--space-3) auto;
}

.hero__subheadline {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: .95rem;
  line-height: 1.4;
  color: var(--color-ink-soft);
  max-width: 500px;
  margin: 0 auto var(--space-5);
}

.hero__supporting {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2);
  list-style: none;
  max-width: 700px;
  margin: var(--space-1) auto var(--space-6);
  padding: 0;
  font-size: 0.82rem;
  line-height: 1.3;
  color: var(--color-ink-soft);
}

.hero__supporting li {
  flex: 0 1 calc(33.333% - var(--space-2) * 2 / 3);
  padding: 0 var(--space-2);
  /* border-left: 1px solid var(--color-rule); */
}

h2.section__heading {
  margin-top: var(--space-5);
}

.hero__supporting h3 {
  font-size: .88;
  line-height: 1.2;
  margin-bottom: var(--space-1);
}

.hero__supporting-tick {
  display: block;
  width: 18px;
  height: 18px;
  margin: 0 auto var(--space-1);
  color: var(--color-accent);
}

/* .hero__supporting li:first-child {
  border-left: none;
} */

.hero__trust {
  font-size: 0.82rem;
  color: var(--color-ink-faint);
}

.hero__trust a, .colophon a {
  color: var(--color-accent);
  text-decoration: none;
}

.hero__trust--row {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

.hero__trust--row a:not(:last-child)::after {
  content: "•";
  margin-left: var(--space-2);
  color: var(--color-ink-faint);
}

/* ==========================================================================
   EXAMPLE URLS (landing)
   ========================================================================== */
.example-urls {
  max-width: 620px;
  margin: var(--space-4) auto 0;
  text-align: left;
}

.example-urls__title, h2.section__heading {
  font-family: var(--font-sans);
  text-align: center;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink-faint);
  margin-bottom: var(--space-3);
}

.example-urls__title {
  margin-bottom: var(--space-1);
}

.example-urls__subtitle {
  text-align: center;
  color: var(--color-ink-soft);
  margin-bottom: var(--space-3);
}

.example-urls__list {
  list-style: none;
  margin: 0;
  padding: 0;
  background: var(--color-paper-raised);
  border: 1px solid var(--color-rule);
  border-radius: 3px;
  overflow: hidden;
}

.example-urls__row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--color-rule);
}

.example-urls__row:last-child {
  border-bottom: none;
}

.example-urls__info {
  flex: 1;
  min-width: 0;
}

.example-urls__link {
  display: block;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--color-accent);
  text-decoration: none;
  line-height: 1.35;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.example-urls__link:hover {
  text-decoration: underline;
}

.example-urls__why {
  color: var(--color-ink-soft);
  line-height: 1.35;
  font-size: 0.72rem;
  margin-top: 2px;
}

.example-urls__copy {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  padding: 0;
  background: transparent;
  border: none;
  color: var(--color-ink-soft);
  cursor: pointer;
  transition: color 0.15s ease;
}

.example-urls__copy:hover,
.example-urls__copy.is-copied {
  color: var(--color-accent);
}

.example-urls__copy-icon {
  width: 15px;
  height: 15px;
}

@media (max-width: 560px) {
  .example-urls__row {
    align-items: flex-start;
  }

  .example-urls__link {
    white-space: normal;
    word-break: break-all;
  }
}

@media (max-width: 640px) {
  .hero__supporting {
    flex-direction: column;
    gap: var(--space-2);
  }

  .hero__supporting li {
    border-left: none;
    padding: 0;
  }
}

/* ==========================================================================
   URL FORM (landing)
   ========================================================================== */
.url-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  max-width: 620px;
  margin: 0 auto;
}

.url-form__row {
  display: flex;
  gap: var(--space-2);
  align-items: stretch;
  margin-bottom: var(--space-3);
}

.url-form__label {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink-faint);
}

.url-form__input {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: none;
  border-bottom: 2px solid var(--color-ink);
  padding: var(--space-3) 0;
  font-size: 1.35rem;
  font-family: var(--font-serif);
  color: var(--color-ink);
  outline: none;
  transition: border-color 0.2s ease;
}

.url-form__input::placeholder {
  color: var(--color-ink-faint);
  font-style: italic;
}

.url-form__input:focus {
  border-color: var(--color-accent);
}

.url-form__submit {
  padding: 0 var(--space-4);
  font-size: 1rem;
  white-space: nowrap;
}

.url-form__note {
  font-size: 0.82rem;
  color: var(--color-ink);
  margin: var(--space-1) 0 var(--space-2) 0;
}
.url-form__note a {
  color: var(--color-4);
  text-decoration: none;
}
.url-form__note span {
  background: var(--color-accent-soft);
  color: var(--color-ink);
  padding: 0.15em 0.5em;
  border-radius: 3px;
}

.form-error {
  max-width: 620px;
  margin: var(--space-3) auto 0;
  color: var(--color-error);
  font-size: 0.92rem;
  text-align: center;
}

@media (max-width: 560px) {
  .url-form__row {
    flex-direction: column;
  }

  .url-form__submit {
    padding: var(--space-2) var(--space-4);
  }
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  border-radius: 2px;
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.15s ease, background 0.15s ease;
}

.btn:active {
  transform: translateY(1px);
}

.btn--primary {
  background: var(--color-ink);
  color: var(--color-paper-raised);
  border: 1px solid var(--color-ink);
  padding: var(--space-2) var(--space-4);
}

.btn--primary:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.btn--primary:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn--ghost {
  background: transparent;
  text-decoration: none;
  color: var(--color-ink);
  border: 1px solid var(--color-ink);
  padding: var(--space-1) var(--space-3);
}

.btn--ghost:hover {
  background: var(--color-ink);
  color: var(--color-paper-raised);
}

.btn--text {
  background: none;
  border: none;
  padding: 0;
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ==========================================================================
   LOADING
   ========================================================================== */
.loading {
  text-align: center;
  padding: var(--space-6) 0;
}

.loading__mark {
  display: inline-flex;
  gap: var(--space-1);
  margin-bottom: var(--space-3);
}

.loading__mark span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  animation: pulse 1.2s ease-in-out infinite;
}

.loading__mark span:nth-child(2) { animation-delay: 0.15s; }
.loading__mark span:nth-child(3) { animation-delay: 0.3s; }

@keyframes pulse {
  0%, 80%, 100% { opacity: 0.25; transform: scale(0.85); }
  40% { opacity: 1; transform: scale(1); }
}

.loading__step {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--color-ink-soft);
}

/* ==========================================================================
   NOTICE (rejected / thank you)
   ========================================================================== */
.notice {
  text-align: center;
  padding: var(--space-5) 0;
  max-width: 480px;
  margin: 0 auto;
}

.notice__eyebrow {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-ink-faint);
  margin-bottom: var(--space-2);
}

.notice__message {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  margin-bottom: var(--space-3);
  color: var(--color-ink);
}

/* TEMPORARY DEBUG: remove once rejection behavior is diagnosed. */
.notice__debug {
  font-family: monospace;
  font-size: 0.82rem;
  color: var(--color-ink-soft);
  background: var(--color-paper-raised);
  border: 1px solid var(--color-rule);
  border-radius: 6px;
  padding: var(--space-2);
  margin-bottom: var(--space-3);
  text-align: left;
  white-space: pre-wrap;
}

/* ==========================================================================
   RESULTS
   ========================================================================== */
.results__title {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.5rem;
  color: var(--color-ink-soft);
  text-align: center;
  margin-bottom: var(--space-3);
}

.results__source {
  color: var(--color-accent);
  text-decoration: none;
}

.results__disclaimer {
  /* max-width: 520px; */
  margin: 0 auto var(--space-3);
  text-align: center;
  font-size: 0.85rem;
  font-style: italic;
  color: var(--color-ink-soft);
  /* background: var(--color-accent-soft); */
  border: 3px dashed var(--color-rule);
  border-radius: 3px;
  padding: var(--space-2) var(--space-3);
}

/* ---- Result sections (stats / claims / quotes) ---- */
.result-section {
  margin-bottom: var(--space-5);
}

.result-section__heading {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  /* text-transform: uppercase; */
  /* letter-spacing: 0.06em; */
  border-bottom: 1px solid var(--color-rule); 
  padding: var(--space-1) 0;
  /* background: var(--color-paper-raised); */
  margin-bottom: var(--space-1);
}

.result-section__note {
  font-size: 0.82rem;
  font-style: italic;
  color: var(--color-ink-faint);
  margin-bottom: var(--space-3);
}

.eli5-text {
  font-family: var(--font-serif);
  font-size: 1.08rem;
  line-height: 1.65;
  color: var(--color-ink);
}

.result-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2);
}

.result-list > li {
  padding: var(--space-3);
  border: 1px solid var(--color-rule);
  border-radius: 3px;
  background: white;
}

/* .result-list > li:first-child {
  border-top: 1px solid var(--color-rule);
} */

@media (max-width: 600px) {
  .result-list {
    grid-template-columns: 1fr;
  }
}

.stat-entry__figure {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--color-accent);
  margin-bottom: var(--space-1);
}

.stat-entry__context {
  font-size: 0.95rem;
  color: var(--color-ink-soft);
  line-height: 1.6;
}

.claim-entry__claim {
  font-family: var(--font-serif);
  font-size: 1.02rem;
  color: var(--color-ink);
  margin-bottom: var(--space-1);
}

.claim-entry__basis {
  font-size: 0.88rem;
  font-style: italic;
  color: var(--color-ink-faint);
}

.quote-entry__quote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--color-ink);
  line-height: 1.5;
}

.quote-entry__quote::before {
  content: "\201C";
}

.quote-entry__quote::after {
  content: "\201D";
}

.quote-entry__byline {
  font-size: 0.82rem;
  color: var(--color-ink-faint);
  margin-top: var(--space-1);
}

/* ---- Definitions: textbook index / appendix style ---- */
.glossary {
  list-style: none;
  margin: 0;
  padding: 0;
}

.glossary-entry {
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-rule);
}

.glossary-entry:first-child {
  border-top: 1px solid var(--color-rule);
}

.glossary-entry__term {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.02rem;
  /* text-transform: uppercase; */
  /* letter-spacing: 0.03em; */
  color: var(--color-ink);
  margin-bottom: var(--space-1);
}

.glossary-entry__definition {
  font-size: 0.96rem;
  color: var(--color-ink-soft);
  line-height: 1.65;
}

.results__empty {
  text-align: center;
  color: var(--color-ink-faint);
  padding: var(--space-4) 0;
}

.result-section__empty {
  color: var(--color-ink-faint);
  padding: var(--space-2) 0;
}

.results__another {
  display: block;
  margin: var(--space-5) auto 0;
  text-align: center;
}

/* ---- Processed links grid (owner-only) ---- */
.links-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2);
}

@media (max-width: 900px) {
  .links-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .links-list {
    grid-template-columns: 1fr;
  }
}

.links-search {
  position: relative;
  max-width: 320px;
  margin: 0 auto var(--space-3);
}

.links-search__input {
  width: 100%;
  background: white;
  border: 1px solid var(--color-rule);
  border-radius: 3px;
  padding: var(--space-2) var(--space-4) var(--space-2) var(--space-2);
  font-size: 0.9rem;
}

.links-search__input::placeholder {
  color: var(--color-ink-faint);
}

.links-search__input:focus {
  outline: none;
  border-color: var(--color-accent);
}

.links-search__clear {
  position: absolute;
  top: 50%;
  right: var(--space-1);
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  padding: 0;
  background: transparent;
  border: none;
  color: var(--color-ink-faint);
  cursor: pointer;
  transition: color 0.15s ease;
}

.links-search__clear:hover {
  color: var(--color-accent);
}

.links-search__clear-icon {
  width: 12px;
  height: 12px;
}

.links-search__empty {
  text-align: center;
  color: var(--color-ink-faint);
  padding: var(--space-4) 0;
}

.link-entry {
  display: flex;
  flex-direction: column;
  padding: var(--space-2) var(--space-3) var(--space-2) var(--space-3);
  line-height: 1.35;
  border: 1px solid var(--color-rule);
  border-radius: 3px;
  background: white;
}

.link-entry__title {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.05rem;
  margin-bottom: var(--space-1);
}

.link-entry__title a {
  color: var(--color-ink);
  text-decoration: none;
}

.link-entry__footer {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  margin: auto calc(var(--space-1) * -1) calc(var(--space-1) * -1) 0;
}

.link-entry__copy,
.link-entry__delete {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  padding: 0;
  background: transparent;
  border: none;
  color: var(--color-ink-soft);
  cursor: pointer;
  transition: color 0.15s ease;
}

.link-entry__copy:hover,
.link-entry__copy.is-copied {
  color: var(--color-accent);
}

.link-entry__delete:hover {
  color: var(--color-error);
}

.link-entry__delete:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.link-entry__copy-icon,
.link-entry__delete-icon {
  width: 15px;
  height: 15px;
}

/* ==========================================================================
   PRO / WAITLIST
   ========================================================================== */
.pro {
  max-width: 480px;
  margin: 0 auto;
  text-align: center;
}

.pro__eyebrow {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

.pro__limit-note {
  color: var(--color-ink-soft);
  font-size: 0.9rem;
  margin-bottom: var(--space-2);
}

.pro__heading {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  margin-bottom: var(--space-2);
}

.pro__body {
  color: var(--color-ink-soft);
  margin-bottom: var(--space-4);
}

.waitlist-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  text-align: left;
}

.waitlist-form__label {
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-ink-faint);
  margin-top: var(--space-2);
}

.waitlist-form__optional {
  text-transform: none;
  letter-spacing: 0;
}

.waitlist-form__input,
.waitlist-form__textarea {
  background: var(--color-paper-raised);
  border: 1px solid var(--color-rule);
  border-radius: 2px;
  padding: var(--space-2);
  font-size: 0.95rem;
  outline: none;
  resize: vertical;
}

.waitlist-form__input:focus,
.waitlist-form__textarea:focus {
  border-color: var(--color-accent);
}

.waitlist-form button {
  margin-top: var(--space-3);
  align-self: center;
}

/* ==========================================================================
   HOME PRO SECTION (landing)
   ========================================================================== */
.home-pro {
  max-width: 480px;
  margin: var(--space-4) auto 0;
  text-align: center;
}

.home-pro__heading {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  margin-bottom: var(--space-2);
}

.home-pro__body {
  color: var(--color-ink-soft);
  margin-bottom: var(--space-3);
}

.home-pro__small {
    font-size: .8rem;
}

.home-pro__list {
  list-style: none;
  margin: 0 auto var(--space-4);
  padding: 0;
  max-width: 400px;
  text-align: left;
  font-size: 0.88rem;
  color: var(--color-ink-soft);
}

.home-pro__list li {
  position: relative;
  padding-left: var(--space-3);
  margin-bottom: var(--space-1);
  line-height: 1.4;
}

.home-pro__list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.55em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-accent);
}

.home-pro__list strong {
  color: var(--color-ink);
}

/* ==========================================================================
   FAQ (landing)
   ========================================================================== */
.faq {
  max-width: 620px;
  margin: var(--space-4) auto 0;
  text-align: left;
}

.faq__list {
  background: var(--color-paper-raised);
  border: 1px solid var(--color-rule);
  border-radius: 3px;
  overflow: hidden;
}

.faq__item {
  border-bottom: 1px solid var(--color-rule);
}

.faq__item:last-child {
  border-bottom: none;
}

.faq__question {
  position: relative;
  padding: var(--space-2) var(--space-4) var(--space-2) var(--space-3);
  font-weight: 600;
  line-height: 1.4;
  cursor: pointer;
  list-style: none;
}

.faq__question::-webkit-details-marker {
  display: none;
}

.faq__question::after {
  content: "+";
  position: absolute;
  right: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  font-weight: 400;
  font-size: 1.2rem;
  color: var(--color-accent);
}

.faq__item[open] .faq__question::after {
  content: "\2212";
}

.faq__answer {
  padding: 0 var(--space-3) var(--space-3);
  font-size: 0.92rem;
  color: var(--color-ink-soft);
}

/* ==========================================================================
   COLOPHON
   ========================================================================== */
.colophon {
  text-align: center;
  margin-top: var(--space-6);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-rule);
  font-size: 0.8rem;
  color: var(--color-ink-faint);
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 480px) {
  .result-section__heading {
    font-size: 0.95rem;
  }
}