/* User guide site. Visual language follows the partner portal: black top band with the Müze
 * wordmark (turquoise ü bar), off-white reading zone, kahve accent, sharp corners,
 * Plus Jakarta Sans for text and IBM Plex Mono for codes. Self-hosted fonts only. */

@font-face {
  font-family: 'Plus Jakarta Sans';
  font-style: normal;
  font-weight: 200 800;
  font-display: swap;
  src: url('fonts/PlusJakartaSans.ttf') format('truetype');
}

@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('fonts/ibm-plex-mono-latin-400-normal.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122, U+2212, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('fonts/ibm-plex-mono-latin-ext-400-normal.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1E00-1E9F, U+20A0-20AB, U+20AD-20C0, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('fonts/ibm-plex-mono-latin-600-normal.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122, U+2212, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('fonts/ibm-plex-mono-latin-ext-600-normal.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1E00-1E9F, U+20A0-20AB, U+20AD-20C0, U+2C60-2C7F, U+A720-A7FF;
}

:root {
  --color-black: #000000;
  --color-anthracite: #151515;
  --color-white: #ffffff;
  --color-off-white: #f9f9f9;
  --color-panel: #f2f2f2;
  --color-kahve: #60332a;
  --color-kahve-dark: #4e2a22;
  --color-terracotta: #975a4d;
  --color-turquoise: #5ff7fa;
  --color-warning-tint: #f6efed;

  --ink: var(--color-anthracite);
  --ink-2: rgba(21, 21, 21, 0.68);
  --line: rgba(21, 21, 21, 0.12);
  --accent: var(--color-kahve);

  --font-sans: 'Plus Jakarta Sans', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  --band-height: 64px;
  --toc-bar-height: 0px;
  --gutter: 20px;
  --page-width: 1200px;
  --logo-base: 56px;

  color-scheme: light;
}

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

html {
  text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--band-height) + var(--toc-bar-height) + 16px);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  background: var(--color-off-white);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
}

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

a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

a:hover {
  color: var(--color-kahve-dark);
  text-decoration-thickness: 2px;
}

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

::selection {
  background: var(--color-kahve);
  color: var(--color-white);
}

/* ---------- skip link ---------- */

.skip-link {
  position: absolute;
  z-index: 700;
  top: 8px;
  left: 8px;
  padding: 8px 16px;
  transform: translateY(-200%);
  background: var(--color-kahve);
  color: var(--color-white);
  text-decoration: none;
}

.skip-link:focus {
  transform: none;
  color: var(--color-white);
}

/* ---------- top band (dark zone) ---------- */

.band {
  position: sticky;
  z-index: 200;
  top: 0;
  background: var(--color-black);
  color: var(--color-white);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.band-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: var(--page-width);
  min-height: var(--band-height);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.band :focus-visible {
  outline-color: var(--color-turquoise);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
  min-height: 44px;
  color: var(--color-white);
  text-decoration: none;
}

.brand:hover {
  color: var(--color-white);
}

.wordmark {
  flex: none;
  width: auto;
  height: 30px;
  color: var(--color-white);
}

.wordmark-accent {
  fill: var(--color-turquoise);
}

.product {
  overflow: hidden;
  padding-left: 14px;
  border-left: 1px solid rgba(255, 255, 255, 0.14);
  color: rgba(255, 255, 255, 0.64);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}

.band-nav ul {
  display: flex;
  gap: 24px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.band-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 6px 0 3px;
  border-bottom: 3px solid transparent;
  color: rgba(255, 255, 255, 0.64);
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
}

.band-link:hover {
  color: var(--color-white);
  text-decoration: none;
}

.band-link.is-active {
  border-bottom-color: var(--color-turquoise);
  color: var(--color-white);
}

/* ---------- layout ---------- */

.layout {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 56px;
  max-width: var(--page-width);
  margin: 0 auto;
  padding: 40px var(--gutter) 64px;
}

.content {
  min-width: 0;
  max-width: 860px;
}

.content:focus {
  outline: none;
}

/* ---------- table of contents ---------- */

.toc-bar {
  display: none;
}

.toc {
  position: sticky;
  top: calc(var(--band-height) + 32px);
  align-self: start;
  max-height: calc(100vh - var(--band-height) - 56px);
  overflow-y: auto;
  padding-right: 8px;
  font-size: 14px;
  line-height: 1.4;
  overscroll-behavior: contain;
}

.toc-title {
  margin: 0 0 12px;
  color: var(--ink-2);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.toc ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.toc-list > li {
  border-top: 1px solid var(--line);
}

.toc-list > li > a {
  font-weight: 600;
}

.toc a {
  display: block;
  padding: 8px 10px;
  border-left: 3px solid transparent;
  color: var(--ink);
  text-decoration: none;
}

.toc a:hover {
  background: var(--color-panel);
  color: var(--ink);
}

.toc-sub {
  padding-bottom: 6px !important;
}

.toc-sub a {
  padding: 5px 10px 5px 22px;
  color: var(--ink-2);
  font-size: 13.5px;
}

.toc a.is-current {
  border-left-color: var(--color-kahve);
  color: var(--color-kahve);
  background: var(--color-panel);
}

/* ---------- document head ---------- */

.doc-head {
  margin-bottom: 40px;
}

.eyebrow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin: 0 0 12px;
  color: var(--ink-2);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.badge-restricted {
  padding: 3px 10px;
  border: 1px solid var(--color-kahve);
  color: var(--color-kahve);
  letter-spacing: 0.1em;
}

h1 {
  margin: 0;
  font-size: clamp(30px, 5vw, 44px);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.1;
}

.accent-bar {
  display: block;
  width: 56px;
  height: 6px;
  margin-top: 18px;
  background: var(--color-kahve);
}

.doc-meta {
  margin: 16px 0 0;
  color: var(--ink-2);
  font-size: 14px;
}

/* ---------- body text ---------- */

.content h2 {
  margin: 64px 0 20px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
  font-size: clamp(24px, 3.5vw, 30px);
  font-weight: 600;
  line-height: 1.2;
}

.doc-head + h2 {
  margin-top: 0;
}

.content h3 {
  margin: 40px 0 12px;
  font-size: 19px;
  font-weight: 600;
  line-height: 1.3;
}

.content p,
.content ul,
.content ol {
  margin: 0 0 16px;
}

.content ul,
.content ol {
  padding-left: 1.5em;
}

.content li {
  margin-bottom: 6px;
}

.content li > ul,
.content li > ol {
  margin: 6px 0 0;
}

.content ol > li::marker {
  color: var(--color-kahve);
  font-family: var(--font-mono);
  font-weight: 600;
}

.content ul > li::marker {
  color: var(--color-terracotta);
}

strong {
  font-weight: 650;
}

code {
  padding: 0.05em 0.2em;
  background: rgba(21, 21, 21, 0.06);
  font-family: var(--font-mono);
  font-size: 0.9em;
  overflow-wrap: anywhere;
}

.content {
  overflow-wrap: break-word;
}

a.xref {
  color: inherit;
  text-decoration-color: var(--color-terracotta);
}

/* ---------- tables (portal DataTable look) ---------- */

.table-scroll {
  margin: 8px 0 24px;
  overflow-x: auto;
}

.table-scroll:focus-visible {
  outline-offset: 0;
}

.content table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
  line-height: 1.5;
}

.content th {
  padding: 10px 14px;
  border-bottom: 2px solid var(--color-terracotta);
  color: var(--ink-2);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-align: left;
  text-transform: uppercase;
  vertical-align: bottom;
}

.content td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.content td:first-child {
  min-width: 9em;
}

.content colgroup col {
  width: auto !important;
}

/* ---------- callouts ---------- */

.callout {
  margin: 24px 0;
  padding: 16px 20px 4px;
  border-left: 6px solid rgba(21, 21, 21, 0.28);
  background: var(--color-panel);
}

.callout-label {
  margin: 0 0 6px !important;
  color: var(--ink-2);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.callout-warning {
  border-left-color: var(--color-kahve);
  background: var(--color-warning-tint);
}

.callout-warning .callout-label {
  color: var(--color-kahve);
}

/* ---------- screenshots ---------- */

.shot {
  margin: 24px 0 32px;
}

.shot-link {
  display: block;
  border: 1px solid rgba(21, 21, 21, 0.18);
  background: var(--color-white);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 8px 24px -16px rgba(0, 0, 0, 0.25);
}

.shot-link:hover {
  border-color: var(--color-kahve);
}

.shot img {
  width: 100%;
  height: auto;
}

.shot figcaption {
  margin-top: 10px;
  padding-left: 12px;
  border-left: 2px solid var(--color-terracotta);
  color: var(--ink-2);
  font-size: 14px;
  line-height: 1.45;
}

.fig-l {
  max-width: 100%;
}

.fig-m {
  max-width: 82%;
}

.fig-s {
  max-width: 68%;
}

.fig-phone {
  max-width: 300px;
}

.shot-pair {
  display: flex;
  gap: 32px;
  align-items: flex-start;
  margin: 24px 0 32px;
}

.shot-pair .shot {
  flex: 1 1 0;
  min-width: 0;
  max-width: none;
  margin: 0;
}

.shot-pair .fig-phone {
  flex: 0 1 300px;
}

/* ---------- footer ---------- */

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--color-white);
}

.footer-inner {
  max-width: var(--page-width);
  margin: 0 auto;
  padding: 40px var(--gutter) 48px;
}

.logo-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px 28px;
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
}

.logo-item img {
  width: auto;
}

.logo-ktb img { height: calc(var(--logo-base) * 1); }
.logo-vgm img { height: calc(var(--logo-base) * 0.554); }
.logo-vakif img { height: calc(var(--logo-base) * 0.562); }
.logo-tt img { height: calc(var(--logo-base) * 0.57); }
.logo-assistt img { height: calc(var(--logo-base) * 0.286); }

.logo-sep {
  align-self: stretch;
  width: 1px;
  margin: 4px 0;
  background: var(--line);
}

.footer-title {
  margin: 0 0 4px;
  font-weight: 600;
}

.footer-support {
  margin: 0;
  color: var(--ink-2);
  font-size: 15px;
}


/* ---------- landing ---------- */

.landing:focus {
  outline: none;
}

.hero-inner,
.quick-inner {
  max-width: var(--page-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.hero {
  padding: 72px 0 56px;
  border-bottom: 1px solid var(--line);
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 48px;
  align-items: center;
}

.hero-shot {
  width: 280px;
  height: 420px;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(21, 21, 21, 0.18);
  background: var(--color-white);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 16px 40px -20px rgba(0, 0, 0, 0.35);
}

.hero-shot img {
  width: 100%;
  height: auto;
}

@media (max-width: 860px) {
  .hero-inner {
    display: block;
  }

  .hero-shot {
    display: none;
  }
}

.hero h1 {
  max-width: 16ch;
  font-size: clamp(38px, 6.4vw, 64px);
  letter-spacing: -0.02em;
}

.hero-lead {
  max-width: 34ch;
  margin: 24px 0 0;
  font-size: clamp(19px, 2.4vw, 24px);
  line-height: 1.4;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 26px;
  border: 0;
  border-radius: 0;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
}

.button-primary {
  background: var(--color-kahve);
  color: var(--color-white);
}

.button-primary:hover {
  background: var(--color-kahve-dark);
  color: var(--color-white);
  text-decoration: none;
}

.button-secondary {
  border: 2px solid var(--ink);
  color: var(--ink);
}

.button-secondary:hover {
  background: var(--color-panel);
  color: var(--ink);
  text-decoration: none;
}

.hero-url {
  margin: 20px 0 0;
  color: var(--ink-2);
  font-size: 14px;
}

.quick {
  padding: 56px 0 72px;
}

.quick h2 {
  margin: 0 0 24px;
  font-size: clamp(24px, 3.5vw, 30px);
  font-weight: 600;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  grid-auto-flow: dense;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.card {
  display: flex;
  border-left: 6px solid var(--color-kahve);
  background: var(--color-panel);
}

.card-link {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 6px;
  padding: 20px 22px 18px;
  color: var(--ink);
  text-decoration: none;
}

.card-link:hover {
  background: #ebebeb;
  color: var(--ink);
  text-decoration: none;
}

.card-link:focus-visible {
  outline-offset: -2px;
}

.card-title {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.3;
}

.card-text {
  flex: 1;
  color: var(--ink-2);
  font-size: 14.5px;
  line-height: 1.5;
}

.card-arrow {
  margin-top: 8px;
  color: var(--color-kahve);
  font-size: 18px;
  font-weight: 600;
}

.card-featured {
  grid-column: span 2;
  border-left-color: var(--color-turquoise);
  background: var(--color-black);
}

.card-featured .card-link {
  justify-content: center;
  padding: 26px 28px 24px;
  color: var(--color-white);
}

.card-featured .card-link::before {
  display: block;
  width: 56px;
  height: 6px;
  margin-bottom: 10px;
  background: var(--color-turquoise);
  content: '';
}

.card-featured .card-link:hover {
  background: var(--color-anthracite);
  color: var(--color-white);
}

.card-featured .card-link:focus-visible {
  outline-color: var(--color-turquoise);
}

.card-featured .card-title {
  font-size: 22px;
}

.card-featured .card-text {
  flex: 0 0 auto;
  color: rgba(255, 255, 255, 0.78);
  font-size: 16px;
}

.card-featured .card-arrow {
  color: var(--color-turquoise);
}

.quick-meta {
  margin: 32px 0 0;
  color: var(--ink-2);
  font-size: 14px;
}

@media (max-width: 600px) {
  .hero {
    padding: 40px 0 36px;
  }

  .hero-actions .button {
    flex: 1 1 auto;
  }

  .quick {
    padding: 40px 0 48px;
  }

  .card-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
  }

  .card-featured {
    grid-column: auto;
  }

  .band-link.is-home,
  .band-link.is-mobile-hidden {
    display: none;
  }
}

/* ---------- narrow screens ---------- */

@media (max-width: 960px) {
  :root {
    --toc-bar-height: 52px;
  }

  .layout {
    display: block;
    padding-top: 28px;
  }

  .toc-bar {
    position: sticky;
    z-index: 150;
    top: var(--band-height);
    display: block;
    height: var(--toc-bar-height);
    padding: 0 var(--gutter);
    border-bottom: 1px solid var(--line);
    background: var(--color-off-white);
  }

  .toc-toggle {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    height: 44px;
    margin-top: 4px;
    padding: 0 14px;
    border: 1px solid rgba(21, 21, 21, 0.4);
    border-radius: 0;
    background: var(--color-white);
    color: var(--ink);
    font: inherit;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
  }

  .toc-toggle-icon,
  .toc-toggle-icon::before,
  .toc-toggle-icon::after {
    display: block;
    width: 16px;
    height: 2px;
    background: currentColor;
  }

  .toc-toggle-icon {
    position: relative;
  }

  .toc-toggle-icon::before,
  .toc-toggle-icon::after {
    position: absolute;
    left: 0;
    content: '';
  }

  .toc-toggle-icon::before { top: -5px; }
  .toc-toggle-icon::after { top: 5px; }

  .toc-toggle[aria-expanded='true'] {
    border-color: var(--color-kahve);
    color: var(--color-kahve);
  }

  /* Without script the contents list simply stays open above the text. */
  .toc {
    position: static;
    max-height: none;
    margin-bottom: 32px;
    padding: 16px;
    border: 1px solid var(--line);
    background: var(--color-white);
  }

  .js .toc {
    position: fixed;
    z-index: 160;
    top: calc(var(--band-height) + var(--toc-bar-height));
    right: 0;
    left: 0;
    display: none;
    max-height: calc(100vh - var(--band-height) - var(--toc-bar-height));
    max-height: calc(100dvh - var(--band-height) - var(--toc-bar-height));
    margin: 0;
    padding: 16px var(--gutter) 24px;
    border: 0;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 16px 32px -16px rgba(0, 0, 0, 0.35);
  }

  .js .toc.is-open {
    display: block;
  }

  .toc a {
    padding-top: 10px;
    padding-bottom: 10px;
  }

  .fig-m,
  .fig-s {
    max-width: 100%;
  }
}

@media (max-width: 600px) {
  :root {
    --band-height: 56px;
    --gutter: 16px;
    --logo-base: 36px;
  }

  .band-inner {
    gap: 12px;
  }

  .brand {
    gap: 10px;
  }

  .wordmark {
    height: 24px;
  }

  .product {
    padding-left: 10px;
    font-size: 11px;
    letter-spacing: 0.06em;
  }

  .band-nav ul {
    gap: 16px;
  }

  .band-link {
    font-size: 14px;
  }

  .band-link.is-active {
    display: none;
  }

  .content h2 {
    margin-top: 48px;
  }

  .shot-pair {
    flex-direction: column;
    align-items: center;
    gap: 24px;
  }

  .shot-pair .shot {
    flex: none;
    width: 100%;
  }

  .shot-pair .fig-phone {
    width: 100%;
    max-width: 300px;
  }

  .fig-phone {
    margin-right: auto;
    margin-left: auto;
  }

  .content table {
    font-size: 14px;
  }

  .content th,
  .content td {
    padding: 9px 10px;
  }

  .content td:first-child {
    min-width: 7em;
  }

  .logo-strip {
    gap: 14px;
  }
}

@media print {
  .band,
  .toc,
  .toc-bar,
  .skip-link {
    display: none !important;
  }

  .layout {
    display: block;
  }

  .shot-link {
    box-shadow: none;
  }
}