/* =========================================================================
   iTipton.com — "The Conjugation Table"
   A scholarly-reference identity built around the verb table. No framework.
   Fraunces (display) · IBM Plex Sans (text) · IBM Plex Mono (verb forms).
   ========================================================================= */

:root {
  --paper: #f5f3ee;
  --paper-raised: #fbfaf6;
  --ink: #1c1b22;
  --ink-soft: #57544c;
  --ink-faint: #6d6a5e;
  --pine: #1f5c4a;
  --pine-deep: #16463a;
  --amber: #e5a200;
  --line: #e4dfd2;
  --line-strong: #d4cebd;
  --band: #efece3;
  /* Link colour — same as pine in light mode, decoupled for dark mode where
     buttons keep a solid green but text links need a lighter tone. */
  --link: var(--pine);

  /* per-language accents (set on the app scope, used as --accent) */
  --l-english: #4c5568;
  --l-french: #3b5ba5;
  --l-german: #b07a1e;
  --l-italian: #2f7d57;
  --l-portuguese: #7a466e;
  --l-spanish: #c0492e;

  --accent: var(--pine);

  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans: "IBM Plex Sans", system-ui, -apple-system, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --measure: 68ch;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(28, 27, 34, 0.04), 0 8px 24px rgba(28, 27, 34, 0.06);
}

/* per-language accent scope (cards use .english, bodies use "app english") */
.english {
  --accent: var(--l-english);
}
.french {
  --accent: var(--l-french);
}
.german {
  --accent: var(--l-german);
}
.italian {
  --accent: var(--l-italian);
}
.portuguese {
  --accent: var(--l-portuguese);
}
.spanish {
  --accent: var(--l-spanish);
}

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

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

a:hover {
  text-decoration: underline;
}

h1,
h2,
h3 {
  font-family: var(--serif);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 0 0 0.4em;
}

.structured-data-only {
  display: none;
}

:focus-visible {
  outline: 2px solid var(--pine);
  outline-offset: 2px;
  border-radius: 2px;
}

/* -------------------------------------------------------------------------
   Layout
   ------------------------------------------------------------------------- */

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 72px 0;
}

.eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 18px;
}

/* -------------------------------------------------------------------------
   Header / nav (zero JS — wraps on small screens)
   ------------------------------------------------------------------------- */

.site-header {
  border-bottom: 1px solid var(--line);
}

.site-header .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 28px;
  padding-top: 20px;
  padding-bottom: 20px;
}

.brand {
  font-family: var(--serif);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-right: auto;
}

.brand:hover {
  text-decoration: none;
  color: var(--pine);
}

.site-nav {
  display: flex;
  gap: 22px;
  font-size: 0.95rem;
}

.site-nav a {
  color: var(--ink-soft);
}

.site-nav a:hover {
  color: var(--ink);
  text-decoration: none;
}

.lang-switch {
  display: flex;
  gap: 10px;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}

.lang-switch a {
  color: var(--ink-faint);
  text-transform: uppercase;
}

.lang-switch a:hover {
  color: var(--ink);
  text-decoration: none;
}

.lang-switch a[aria-current="true"] {
  color: var(--ink);
  font-weight: 600;
  border-bottom: 2px solid var(--accent);
}

/* -------------------------------------------------------------------------
   Language chip
   ------------------------------------------------------------------------- */

.chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}

.chip::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

/* -------------------------------------------------------------------------
   Conjugation table (the signature motif)
   ------------------------------------------------------------------------- */

.conj {
  background: var(--paper-raised);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.conj-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 22px 16px;
  border-bottom: 1px solid var(--line);
}

.conj-verb {
  font-family: var(--serif);
  font-size: 1.7rem;
  font-weight: 500;
  line-height: 1;
}

.conj-gloss {
  color: var(--ink-faint);
  font-size: 0.9rem;
  font-style: italic;
}

.conj-tense {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  white-space: nowrap;
}

.conj-rows {
  font-family: var(--mono);
  font-size: 0.98rem;
}

.conj-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 9px 22px;
}

.conj-row + .conj-row {
  border-top: 1px solid var(--line);
}

.conj-row .pronoun {
  color: var(--ink-faint);
}

.conj-row .form {
  color: var(--ink);
  font-weight: 500;
}

.conj-row.is-highlight {
  background: rgba(229, 162, 0, 0.09);
}

.conj-row.is-highlight .form {
  box-shadow: inset 0 -0.5em 0 rgba(229, 162, 0, 0.28);
}

/* -------------------------------------------------------------------------
   Hero (home)
   ------------------------------------------------------------------------- */

.hero {
  padding: 84px 0 72px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.6rem, 5.4vw, 4.4rem);
  margin-bottom: 22px;
}

.hero-lead {
  font-size: 1.2rem;
  color: var(--ink-soft);
  max-width: 30ch;
  margin: 0 0 30px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 18px;
  align-items: center;
}

.hero-langs {
  margin-top: 40px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
}

.hero-langs a {
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  color: var(--ink-soft);
  border: 1px solid var(--line-strong);
  border-radius: 100px;
  padding: 6px 14px;
}

.hero-langs a:hover {
  border-color: var(--ink);
  color: var(--ink);
  text-decoration: none;
}

/* -------------------------------------------------------------------------
   Buttons
   ------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--sans);
  font-size: 0.98rem;
  font-weight: 500;
  padding: 12px 22px;
  border-radius: 100px;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn:hover {
  text-decoration: none;
}

.btn-primary {
  background: var(--pine);
  color: #fff;
}

.btn-primary:hover {
  background: var(--pine-deep);
  color: #fff;
}

.btn-ghost {
  border-color: var(--line-strong);
  color: var(--ink);
}

.btn-ghost:hover {
  border-color: var(--ink);
}

/* -------------------------------------------------------------------------
   App grid (home)
   ------------------------------------------------------------------------- */

.apps-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 34px;
}

.apps-head h2 {
  font-size: 2rem;
  margin: 0;
}

.apps-head p {
  margin: 0;
  color: var(--ink-soft);
}

.app-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.app-card {
  display: flex;
  flex-direction: column;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}

.app-card:hover {
  border-color: var(--line-strong);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.app-card .card-top {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.app-card .card-icon {
  width: 46px;
  height: 46px;
  border-radius: 10px;
}

.app-card h3 {
  font-size: 1.32rem;
  margin: 0;
}

.app-card h3 a {
  color: var(--ink);
}

.app-card h3 a:hover {
  color: var(--accent);
  text-decoration: none;
}

.app-card .card-desc {
  color: var(--ink-soft);
  font-size: 0.98rem;
  margin: 0 0 18px;
}

.app-card .card-stats {
  display: flex;
  gap: 22px;
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--ink-soft);
  padding: 14px 0;
  border-top: 1px solid var(--line);
  margin-top: auto;
}

.app-card .card-stats b {
  display: block;
  font-size: 1.25rem;
  color: var(--ink);
  font-weight: 600;
}

.app-card .card-links {
  display: flex;
  gap: 16px;
  font-size: 0.9rem;
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

/* -------------------------------------------------------------------------
   Store badges
   ------------------------------------------------------------------------- */

.store-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.store-badges img {
  height: 44px;
  width: auto;
}

/* -------------------------------------------------------------------------
   App detail page
   ------------------------------------------------------------------------- */

.app-hero {
  border-bottom: 1px solid var(--line);
  padding: 56px 0;
}

.app-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.app-hero h1 {
  font-size: clamp(2.2rem, 4.6vw, 3.4rem);
  margin: 16px 0 12px;
}

.app-hero .lead {
  font-size: 1.15rem;
  color: var(--ink-soft);
  margin: 0 0 26px;
}

.stat-strip {
  display: flex;
  gap: 40px;
  margin: 0 0 30px;
}

.stat-strip .stat b {
  display: block;
  font-family: var(--serif);
  font-size: 2rem;
  line-height: 1;
  color: var(--accent);
}

.stat-strip .stat span {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.dl-block {
  margin-top: 8px;
}

.dl-block .dl-label {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 8px;
}

.dl-block + .dl-block {
  margin-top: 20px;
}

.app-hero-visual {
  display: flex;
  justify-content: center;
  gap: 18px;
}

.app-hero-visual img {
  width: auto;
  max-height: 380px;
  filter: drop-shadow(0 18px 30px rgba(28, 27, 34, 0.16));
}

/* Feature list */
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px 40px;
}

.features-grid p {
  margin: 0;
  padding-left: 26px;
  position: relative;
  color: var(--ink-soft);
  font-size: 1.05rem;
}

.features-grid p::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--accent);
}

.features-grid u {
  color: var(--ink);
  text-decoration: none;
  font-weight: 500;
  box-shadow: inset 0 -0.45em 0 rgba(229, 162, 0, 0.22);
}

/* "See it conjugate" */
.conjugate-section {
  padding-top: 0;
}

.conjugate-wrap {
  max-width: 480px;
}

/* Screenshots */
.shots {
  background: var(--band);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.shot-block + .shot-block {
  margin-top: 44px;
}

.shots h3 {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 20px;
}

.shot-row {
  display: flex;
  gap: 22px;
  overflow-x: auto;
  padding-bottom: 8px;
}

.shot {
  flex: 0 0 auto;
  width: 190px;
  text-align: center;
}

.shot img {
  width: 100%;
  height: auto;
  border-radius: 14px;
  box-shadow: 0 10px 26px rgba(28, 27, 34, 0.14);
}

.shot p {
  margin: 12px 0 0;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

/* Testimonials */
.quotes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
}

.quote {
  margin: 0;
}

.quote p {
  font-family: var(--serif);
  font-size: 1.25rem;
  line-height: 1.4;
  color: var(--ink);
  margin: 0 0 14px;
}

.quote p::before {
  content: "\201C";
  color: var(--accent);
}
.quote p::after {
  content: "\201D";
  color: var(--accent);
}

.quote footer {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

/* CTA band */
.cta {
  text-align: center;
}

.cta h2 {
  font-size: 2.2rem;
  margin-bottom: 24px;
}

.cta .dl-block {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.cta .dl-block + .dl-block {
  margin-top: 26px;
}

.cta .store-badges {
  justify-content: center;
}

/* -------------------------------------------------------------------------
   Prose (FAQ / contact / privacy)
   ------------------------------------------------------------------------- */

.page-head {
  padding: 56px 0 8px;
}

.page-head h1 {
  font-size: clamp(2.2rem, 4.4vw, 3.2rem);
  margin: 0;
}

.prose {
  max-width: var(--measure);
  padding-bottom: 72px;
  font-size: 1.05rem;
}

.prose h2 {
  font-size: 1.5rem;
  margin: 1.8em 0 0.5em;
}

.prose h3 {
  font-size: 1.2rem;
}

.prose a {
  text-decoration: underline;
  text-underline-offset: 2px;
}

.prose ul,
.prose ol {
  padding-left: 1.3em;
}

.prose li {
  margin: 0.35em 0;
}

.prose u {
  text-decoration: none;
  font-weight: 500;
  box-shadow: inset 0 -0.45em 0 rgba(229, 162, 0, 0.22);
}

/* FAQ */
.faq-toc {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 26px;
  margin: 0 0 40px;
}

.faq-toc h2 {
  font-size: 0.75rem;
  font-family: var(--mono);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 12px;
}

.faq-toc ul {
  margin: 0;
  padding-left: 1.1em;
}

.faq-toc-group + .faq-toc-group {
  margin-top: 16px;
}

.faq-toc-cat {
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--pine);
  margin: 0 0 6px;
}

/* Category heading that separates each group of questions. */
.faq-group-head {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--pine);
  margin: 46px 0 2px;
}

.faq-group:first-of-type .faq-group-head {
  margin-top: 8px;
}

.faq-item {
  padding: 26px 0;
  border-top: 1px solid var(--line);
}

.faq-item h3 {
  margin: 0 0 10px;
  color: var(--ink);
}

.faq-item p:last-child,
.faq-item ol:last-child {
  margin-bottom: 0;
}

.contact-callout {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 22px;
  margin: 0 0 28px;
}

.contact-callout p {
  margin: 0;
}

/* Not-found grid */
.notfound-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 32px;
  padding: 48px 0 72px;
}

.notfound-grid h2 {
  font-size: 1.4rem;
}

/* -------------------------------------------------------------------------
   Language-availability banner (injected by JS)
   ------------------------------------------------------------------------- */

#lang_message {
  margin: 20px 0 0;
}

#lang_message .alert {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  padding: 14px 44px 14px 18px;
  background: var(--paper-raised);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  font-size: 0.95rem;
}

#lang_message .close {
  position: absolute;
  top: 8px;
  right: 12px;
  font-size: 20px;
  line-height: 1;
  background: none;
  border: 0;
  color: var(--ink-faint);
  cursor: pointer;
}

#lang_message .btn {
  padding: 7px 16px;
  font-size: 0.88rem;
  background: var(--pine);
  color: #fff;
}

/* -------------------------------------------------------------------------
   Footer
   ------------------------------------------------------------------------- */

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--paper-raised);
  padding: 56px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
}

.footer-brand .brand {
  margin: 0 0 10px;
  display: inline-block;
}

.footer-brand p {
  color: var(--ink-soft);
  max-width: 34ch;
  margin: 0;
}

.footer-col h4 {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 14px;
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
  font-size: 0.95rem;
}

.footer-col a {
  color: var(--ink-soft);
}

.footer-col a:hover {
  color: var(--ink);
  text-decoration: none;
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  justify-content: space-between;
  margin-top: 48px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  font-size: 0.85rem;
  color: var(--ink-faint);
}

/* -------------------------------------------------------------------------
   Responsive
   ------------------------------------------------------------------------- */

@media (max-width: 900px) {
  .hero-grid,
  .app-hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .hero {
    padding: 56px 0 48px;
  }
  .app-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 600px) {
  body {
    font-size: 16px;
  }
  .section {
    padding: 52px 0;
  }
  .app-grid {
    grid-template-columns: 1fr;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .stat-strip {
    gap: 28px;
  }
  .apps-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .site-header .container {
    gap: 10px 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}

/* -------------------------------------------------------------------------
   Dark mode — follows the visitor's OS setting (no toggle, no JS).
   A warm "dark parchment" that keeps the paper identity inverted.
   ------------------------------------------------------------------------- */

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #1a1815;
    --paper-raised: #232019;
    --ink: #ece6d9;
    --ink-soft: #b0a894;
    --ink-faint: #98917d;
    --pine: #2f8266;
    --pine-deep: #266b53;
    --amber: #f0b02a;
    --line: #322f28;
    --line-strong: #453f34;
    --band: #201d17;

    /* text links: a lighter sage that reads on the dark background */
    --link: #7cc0a0;

    /* per-language accents, lightened for dark backgrounds */
    --l-english: #97a0b3;
    --l-french: #7f9ad9;
    --l-german: #d8a44f;
    --l-italian: #5fb98b;
    --l-portuguese: #bd8bb1;
    --l-spanish: #e6836c;

    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 10px 28px rgba(0, 0, 0, 0.45);
  }

  /* Primary button: a sage fill with dark text reads better than white-on-green */
  .btn-primary,
  #lang_message .btn {
    background: var(--link);
    color: #16231c;
  }

  .btn-primary:hover {
    background: #8fccae;
    color: #16231c;
  }

  /* Keep the amber verb-form highlight legible against the darker card */
  .conj-row.is-highlight {
    background: rgba(240, 176, 42, 0.15);
  }
}