/* DİJİSAN Atölye — shared design system (original implementation) */

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  margin-left: 6px;
  padding: 2px;
  border: 1px solid var(--card-border, rgba(15, 20, 28, 0.12));
  border-radius: 999px;
  background: var(--card-bg, rgba(255, 255, 255, 0.6));
}
.lang-switch button {
  border: 0;
  background: transparent;
  color: var(--text-muted);
  font: 600 11px/1 var(--mono, monospace);
  letter-spacing: 0.06em;
  padding: 5px 8px;
  border-radius: 999px;
  cursor: pointer;
}
.lang-switch button.is-active {
  background: var(--accent-grad, linear-gradient(135deg, #4d963b, #2f6f45));
  color: #fff;
}
:root {
  --font: "Instrument Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "Spline Sans Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --bg-dark: #eef0f3;
  --bg-elevated: #ffffff;
  --card-bg: rgb(255 255 255 / 0.86);
  --card-border: rgba(16, 18, 30, 0.14);
  --text-main: #10121e;
  --text-muted: #586072;
  --text-dim: #6b7285;
  --heading: #0b0d16;
  --accent: #007bab;
  --accent-text: #00618a;
  --link: #00618a;
  --accent-soft: rgba(0, 123, 171, 0.10);
  --accent-grad: linear-gradient(135deg, #0090c6 0%, #005f86 100%);
  --guide-accent: #00618a;
  --success-text: #1c6b46;
  --warning-text: #8a5a12;
  --danger-text: #a33235;
  --info-text: #005f86;
  --code-text: #3a4152;
  --overlay-rgb: 16, 18, 30;
  --shadow-rgb: 16, 18, 30;
  --page-bg: #eef0f3;
  --page-grid: rgba(16, 18, 30, 0.055);
  --nav-solid: rgba(238, 240, 243, 0.92);
  --nav-scrim: rgba(16, 18, 30, 0.45);
  --control-bg: rgba(255, 255, 255, 0.96);
  --control-hover: rgba(16, 18, 30, 0.06);
  --input-bg: rgba(255, 255, 255, 0.94);
  --code-bg: rgba(16, 18, 30, 0.055);
  --focus-ring: rgba(0, 123, 171, 0.30);
  --soft-shadow: 0 16px 40px rgba(var(--shadow-rgb), 0.09);
  --radius: 3px;
  --radius-sm: 2px;
  --radius-pill: 999px;
  --dj-rule: rgba(16, 18, 30, 0.14);
  --dj-surface: #ffffff;
  --dj-ink-soft: rgba(16, 18, 30, 0.62);
}

html[data-theme="dark"] {
  --bg-dark: #0b0e13;
  --bg-elevated: #12161d;
  --card-bg: rgba(18, 22, 29, 0.88);
  --card-border: rgba(255, 255, 255, 0.12);
  --text-main: #e9edf4;
  --text-muted: #a7b0bf;
  --text-dim: #8d97a6;
  --heading: #ffffff;
  --accent: #38c6f4;
  --accent-text: #7dd8f8;
  --link: #7dd8f8;
  --accent-soft: rgba(56, 198, 244, 0.14);
  --accent-grad: linear-gradient(135deg, #38c6f4 0%, #0f7fb0 100%);
  --guide-accent: #7fd4f0;
  --success-text: #7fd4ab;
  --warning-text: #e2b96a;
  --danger-text: #ef9a9d;
  --info-text: #9ec8f2;
  --code-text: #cbd5e1;
  --overlay-rgb: 255, 255, 255;
  --shadow-rgb: 0, 0, 0;
  --page-bg: #0b0e13;
  --page-grid: rgba(255, 255, 255, 0.045);
  --nav-solid: rgba(9, 12, 17, 0.88);
  --nav-scrim: rgba(5, 7, 10, 0.5);
  --control-bg: rgba(20, 25, 33, 0.96);
  --control-hover: rgba(255, 255, 255, 0.08);
  --input-bg: rgba(20, 25, 33, 0.88);
  --code-bg: rgba(0, 0, 0, 0.38);
  --focus-ring: rgba(56, 198, 244, 0.28);
  --soft-shadow: 0 18px 44px rgba(0, 0, 0, 0.34);
  --dj-rule: rgba(255, 255, 255, 0.14);
  --dj-surface: #12161d;
  --dj-ink-soft: rgba(255, 255, 255, 0.62);
}

/* ============ 2. Base ============ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-main);
  background: var(--page-bg) fixed;
  background-color: var(--bg-dark);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: "";
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(var(--page-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--page-grid) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,.5), transparent 70%);
}
h1, h2, h3, h4 { color: var(--heading); font-weight: 800; line-height: 1.15; margin: 0 0 .5em; letter-spacing: -0.015em; }
h1 { font-size: clamp(2rem, 4.2vw, 3.1rem); }
h2 { font-size: clamp(1.35rem, 2.4vw, 1.85rem); }
h3 { font-size: 1.16rem; font-weight: 700; }
h4 { font-size: 1.02rem; font-weight: 700; }
p { margin: 0 0 1em; }
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; }
code, kbd, pre { font-family: var(--mono); font-size: .88em; }
code { background: var(--code-bg); color: var(--code-text); padding: .15em .4em; border-radius: 6px; }
pre { background: var(--code-bg); padding: 1em 1.1em; border-radius: var(--radius-sm); overflow-x: auto; border: 1px solid var(--card-border); }
pre code { background: none; padding: 0; }
::selection { background: var(--accent-soft); }
:focus-visible { outline: 3px solid var(--focus-ring); outline-offset: 2px; border-radius: 6px; }
hr { border: none; border-top: 1px solid var(--card-border); margin: 2em 0; }

/* ============ 3. Layout ============ */
.container { width: min(1100px, 100% - 2.5rem); margin-inline: auto; }
.narrow { width: min(880px, 100% - 2.5rem); }
.xtra-narrow { width: min(680px, 100% - 2.5rem); }
main { padding-bottom: 4rem; }
.section { margin: 3.4rem 0; }
.section-head { margin-bottom: 1.6rem; }
.section-head .kicker { display: block; margin-bottom: .6rem; }
.center { text-align: center; }
.mt-0{margin-top:0}.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.6rem}.mt-4{margin-top:2.4rem}
.mb-0{margin-bottom:0}.mb-1{margin-bottom:.5rem}.mb-2{margin-bottom:1rem}.mb-3{margin-bottom:1.6rem}
.stack > * + * { margin-top: 1rem; }
.row { display: flex; gap: .7rem; flex-wrap: wrap; align-items: center; }
.row-between { display: flex; gap: 1rem; flex-wrap: wrap; align-items: center; justify-content: space-between; }
.grow { flex: 1 1 auto; }

/* ============ 4. Header nav ============ */
.site-nav {
  position: sticky; top: 0; z-index: 60;
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  background: var(--nav-solid);
  border-bottom: 1px solid var(--dj-rule);
}
.nav-inner {
  width: min(1400px, 100% - 2rem); margin-inline: auto;
  display: flex; align-items: center; gap: .75rem; height: 4.25rem;
}
.brand { display: inline-flex; align-items: center; gap: .45rem; flex: 0 0 auto; font-weight: 800; color: var(--heading); font-size: 1rem; text-decoration: none !important; letter-spacing: -0.01em; text-transform: uppercase; }
.brand-mark {
  width: 26px; height: 26px; border-radius: 3px;
  background: var(--accent);
  display: inline-flex; align-items: center; justify-content: center;
  color: #fff; font-size: 13px; font-weight: 700;
}
.brand-tag {
  font: 600 .66rem/1 var(--mono);
  letter-spacing: .16em; text-transform: uppercase;
  color: var(--text-dim);
  border-left: 1px solid var(--dj-rule);
  padding-left: .45rem; margin-left: .1rem;
}
.brand-logo { display: inline-flex; align-items: center; flex: 0 0 auto; }
.brand-logo img { display: block; width: auto !important; height: auto; max-width: none; }
.brand-logo-word img { height: 28px !important; }
.brand-logo-mark { display: none; }
.brand-logo-mark img { width: 32px !important; height: 32px !important; }
html[data-theme="dark"] .brand-logo img { filter: brightness(0) invert(1); }
@media (min-width: 640px) { .brand-logo-word img { height: 32px !important; } }
@media (max-width: 420px) {
  .brand-logo-word { display: none; }
  .brand-logo-mark { display: inline-flex; }
  .brand-tag { display: none; }
}
.nav-ext {
  font: 600 .68rem/1 var(--mono) !important;
  letter-spacing: .04em; text-transform: none !important;
  color: var(--accent-text) !important;
  border: 1px solid var(--dj-rule);
  padding: .42rem .5rem !important;
}
.nav-ext:hover { background: var(--accent-soft) !important; }
.nav-links { display: flex; align-items: center; gap: 0; margin-left: auto; flex-wrap: wrap; }
.nav-links a {
  color: var(--text-muted); font-weight: 600; font-size: 11px;
  text-transform: uppercase; letter-spacing: .055em;
  padding: .5rem .45rem; border-radius: 2px; white-space: nowrap;
}
.nav-links a:hover { color: var(--accent-text); text-decoration: none; background: transparent; }
.nav-links a[aria-current="page"], .nav-links a.active { color: var(--accent-text); background: transparent; }
.nav-sep { width: 1px; height: 18px; background: var(--dj-rule); margin: 0 .5rem; }
.nav-cta-extra { color: var(--text-muted); }
.icon-btn {
  border: 1px solid var(--card-border); background: var(--control-bg);
  width: 34px; height: 34px; border-radius: 50%; cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center; color: var(--text-muted);
}
.icon-btn:hover { background: var(--control-hover); color: var(--heading); }
.nav-toggle { display: none; }
@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; margin-left: auto; }
  .nav-links { display: none; position: absolute; top: 62px; left: 0; right: 0; background: var(--nav-solid); backdrop-filter: blur(14px); border-bottom: 1px solid var(--card-border); flex-direction: column; align-items: stretch; padding: .8rem 1.2rem 1.2rem; gap: .2rem; }
  .nav-links.open { display: flex; }
  .nav-sep { display: none; }
}

/* ============ 5. Buttons & controls ============ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .45rem;
  font-family: var(--font); font-size: .92rem; font-weight: 600;
  padding: .58rem 1.05rem; border-radius: var(--radius-pill);
  border: 1px solid var(--card-border); background: var(--control-bg); color: var(--heading);
  cursor: pointer; text-decoration: none !important; transition: background .15s, transform .1s;
  white-space: nowrap;
}
.btn:hover { background: var(--control-hover); }
.btn:active { transform: translateY(1px); }
.btn-accent, .btn-primary {
  background: var(--accent-grad); color: #fff; border: none;
  box-shadow: 0 6px 18px rgba(47, 111, 69, .28);
}
.btn-accent:hover, .btn-primary:hover { filter: brightness(1.06); }
.btn-secondary { background: var(--control-bg); }
.btn-ghost { background: transparent; border-color: transparent; color: var(--text-muted); }
.btn-ghost:hover { background: var(--control-hover); color: var(--heading); }
.btn-sm { padding: .34rem .72rem; font-size: .84rem; }
.btn-lg { padding: .8rem 1.5rem; font-size: 1rem; }
.btn[disabled], .btn.disabled { opacity: .5; pointer-events: none; }
.btn-block { width: 100%; }

.seg { display: inline-flex; border: 1px solid var(--card-border); border-radius: var(--radius-pill); background: var(--control-bg); padding: 3px; gap: 2px; }
.seg button {
  border: none; background: transparent; font: 600 .84rem var(--font); color: var(--text-muted);
  padding: .32rem .8rem; border-radius: var(--radius-pill); cursor: pointer;
}
.seg button[aria-pressed="true"], .seg button.active { background: var(--accent-soft); color: var(--accent-text); }

.chip {
  display: inline-flex; align-items: center; gap: .35rem;
  border: 1px solid var(--card-border); background: var(--control-bg); color: var(--text-muted);
  font: 600 .84rem var(--font); padding: .36rem .8rem; border-radius: var(--radius-pill); cursor: pointer;
}
.chip:hover { background: var(--control-hover); color: var(--heading); }
.chip[aria-pressed="true"], .chip.active { background: var(--accent-soft); border-color: var(--accent); color: var(--accent-text); }
.chip-sm { padding: .2rem .55rem; font-size: .78rem; }
.chip-row { display: flex; flex-wrap: wrap; gap: .45rem; }

.badge {
  display: inline-flex; align-items: center; gap: .35rem;
  font: 700 .68rem var(--mono); text-transform: uppercase; letter-spacing: .08em;
  color: var(--text-muted); border: 1px solid var(--card-border); background: var(--control-bg);
  padding: .28rem .62rem; border-radius: var(--radius-pill);
}
.badge-accent { color: var(--accent-text); border-color: transparent; background: var(--accent-soft); }
.pill { display: inline-block; font: 600 .78rem var(--font); color: var(--text-muted); background: var(--control-hover); padding: .18rem .6rem; border-radius: var(--radius-pill); }
.kicker { font: 700 .72rem var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--accent-text); }

/* ============ 6. Forms ============ */
.field { margin-bottom: 1rem; }
.field label, .label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: .35rem; color: var(--heading); }
.field .hint, .hint { font-size: .82rem; color: var(--text-dim); margin-top: .3rem; }
input[type="text"], input[type="url"], input[type="number"], input[type="search"], input[type="email"], select, textarea {
  width: 100%; font-family: var(--font); font-size: .95rem; color: var(--text-main);
  background: var(--input-bg); border: 1px solid var(--card-border); border-radius: var(--radius-sm);
  padding: .62rem .8rem;
}
textarea { resize: vertical; min-height: 110px; line-height: 1.55; }
textarea.mono, input.mono { font-family: var(--mono); font-size: .86rem; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--focus-ring); }
.switch { display: flex; align-items: center; gap: .5rem; font-size: .9rem; color: var(--text-main); cursor: pointer; }
.switch input { width: auto; accent-color: var(--accent); width: 16px; height: 16px; }

/* ============ 7. Cards ============ */
.card {
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: var(--radius); box-shadow: var(--soft-shadow);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
.card-pad { padding: 1.4rem 1.5rem; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; padding: 1rem 1.4rem; border-bottom: 1px solid var(--card-border); }
.card-title { font: 700 .74rem var(--mono); text-transform: uppercase; letter-spacing: .1em; color: var(--text-dim); margin: 0; }
.card-body { padding: 1.4rem; }
.grid { display: grid; gap: 1.1rem; }
.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 980px) { .cols-3, .cols-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .cols-2, .cols-3, .cols-4 { grid-template-columns: 1fr; } }
.tile { display: block; color: inherit !important; text-decoration: none !important; transition: transform .15s, box-shadow .15s; }
.tile:hover { transform: translateY(-3px); box-shadow: 0 22px 55px rgba(var(--shadow-rgb), 0.14); }

/* ============ 8. Prose (guides, articles) ============ */
.prose { font-size: 1.02rem; line-height: 1.75; color: var(--text-main); }
.prose h2 { margin: 2.2em 0 .6em; }
.prose h3 { margin: 1.7em 0 .5em; }
.prose ul, .prose ol { margin: 0 0 1.2em; padding-left: 1.4em; }
.prose li { margin-bottom: .45em; }
.prose blockquote { margin: 1.4em 0; padding: .8em 1.2em; border-left: 3px solid var(--accent); background: var(--accent-soft); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; color: var(--text-muted); }
.prose table { width: 100%; border-collapse: collapse; margin: 1.4em 0; font-size: .92rem; }
.prose th, .prose td { text-align: left; padding: .6em .8em; border-bottom: 1px solid var(--card-border); }
.prose th { font-weight: 700; color: var(--heading); background: var(--code-bg); }
.prose img { border-radius: var(--radius-sm); }

.callout { border-radius: var(--radius-sm); padding: .9rem 1.1rem; margin: 1.3em 0; border: 1px solid var(--card-border); background: var(--code-bg); font-size: .95rem; }
.callout-info { border-color: var(--info-text); background: color-mix(in srgb, var(--info-text) 8%, transparent); }
.callout-warn { border-color: var(--warning-text); background: color-mix(in srgb, var(--warning-text) 8%, transparent); }
.callout-ok { border-color: var(--success-text); background: color-mix(in srgb, var(--success-text) 8%, transparent); }
.checklist { list-style: none; padding-left: 0; }
.checklist li { padding-left: 1.7em; position: relative; margin-bottom: .5em; }
.checklist li::before { content: "✓"; position: absolute; left: 0; color: var(--accent-text); font-weight: 700; }

/* ============ 9. FAQ & details ============ */
details.faq, details.acc { border: 1px solid var(--card-border); border-radius: var(--radius-sm); background: var(--card-bg); margin-bottom: .6rem; }
details.faq summary, details.acc summary {
  cursor: pointer; padding: .85rem 1.1rem; font-weight: 600; color: var(--heading);
  list-style: none; display: flex; justify-content: space-between; align-items: center; gap: .8rem;
}
details summary::-webkit-details-marker { display: none; }
details.faq summary::after, details.acc summary::after { content: "+"; font-family: var(--mono); color: var(--text-dim); }
details.faq[open] summary::after, details.acc[open] summary::after { content: "−"; }
details.faq .faq-body, details.acc .acc-body { padding: 0 1.1rem 1rem; color: var(--text-muted); font-size: .95rem; }

/* ============ 10. Tool shared components ============ */
.tool-hero { text-align: center; padding: 2.2rem 1rem .6rem; }
.tool-hero .badge { margin-bottom: 1rem; }
.tool-hero p.lede { color: var(--text-muted); max-width: 640px; margin: .6rem auto 1rem; font-size: 1.05rem; }
.tool-card { max-width: 860px; margin: 1.6rem auto; }
.tool-textarea { min-height: 220px; border: none; background: transparent; box-shadow: none !important; font-family: var(--mono); font-size: .88rem; }
.tool-textarea:focus { box-shadow: none !important; }
.output-pane { min-height: 160px; border: none; background: transparent; font-family: var(--mono); font-size: .88rem; }
.status-line { font: 600 .78rem var(--mono); color: var(--text-dim); }
.drop-zone {
  border: 2px dashed var(--card-border); border-radius: var(--radius); padding: 2.2rem 1.2rem; text-align: center;
  color: var(--text-muted); cursor: pointer; background: var(--code-bg);
}
.drop-zone.drag-over, .drop-zone:hover { border-color: var(--accent); color: var(--accent-text); background: var(--accent-soft); }
.result-list { list-style: none; margin: 0; padding: 0; }
.song-row { display: flex; align-items: center; gap: .9rem; padding: .7rem .9rem; border: 1px solid var(--card-border); border-radius: var(--radius-sm); background: var(--card-bg); margin-bottom: .55rem; }
.song-row img.thumb { width: 48px; height: 48px; border-radius: 8px; object-fit: cover; background: var(--code-bg); flex: none; }
.song-row .meta { min-width: 0; flex: 1; }
.song-row .meta .t { font-weight: 600; color: var(--heading); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.song-row .meta .s { font-size: .82rem; color: var(--text-dim); }
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: .8rem; }
.stat { border: 1px solid var(--card-border); border-radius: var(--radius-sm); padding: .8rem .9rem; background: var(--card-bg); }
.stat .k { font: 700 .68rem var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--text-dim); }
.stat .v { font-size: 1.25rem; font-weight: 800; color: var(--heading); }
.kv { display: grid; grid-template-columns: 170px 1fr; gap: .3rem .9rem; font-size: .92rem; }
.kv dt { color: var(--text-dim); font-weight: 600; }
.kv dd { margin: 0; color: var(--text-main); }
.codeblock { background: var(--code-bg); border: 1px solid var(--card-border); border-radius: var(--radius-sm); padding: .9rem 1rem; font-family: var(--mono); font-size: .85rem; white-space: pre-wrap; word-break: break-word; color: var(--code-text); }
.progressbar { height: 8px; border-radius: 99px; background: var(--code-bg); overflow: hidden; }
.progressbar > i { display: block; height: 100%; width: 0%; background: var(--accent-grad); transition: width .2s; }
.table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.table th, .table td { text-align: left; padding: .55em .7em; border-bottom: 1px solid var(--card-border); }
.table th { font: 700 .72rem var(--mono); text-transform: uppercase; letter-spacing: .07em; color: var(--text-dim); }
.tabs { display: flex; gap: .3rem; border-bottom: 1px solid var(--card-border); margin-bottom: 1.1rem; flex-wrap: wrap; }
.tabs button { border: none; background: none; font: 600 .9rem var(--font); color: var(--text-muted); padding: .55rem .9rem; cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px; }
.tabs button[aria-selected="true"] { color: var(--accent-text); border-color: var(--accent); }
.spinner { width: 22px; height: 22px; border: 3px solid var(--code-bg); border-top-color: var(--accent); border-radius: 50%; animation: spin 1s linear infinite; display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }
.toast-wrap { position: fixed; bottom: 1.4rem; left: 50%; transform: translateX(-50%); z-index: 200; display: flex; flex-direction: column; gap: .5rem; align-items: center; }
.toast { background: var(--heading); color: var(--bg-elevated); font-size: .9rem; font-weight: 600; padding: .6rem 1.1rem; border-radius: var(--radius-pill); box-shadow: 0 12px 30px rgba(0,0,0,.25); animation: rise .25s ease; }
html[data-theme="dark"] .toast { background: #fff; color: #111; }
@keyframes rise { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

dialog.modal {
  border: 1px solid var(--card-border); border-radius: var(--radius); background: var(--bg-elevated);
  color: var(--text-main); max-width: 560px; width: calc(100% - 2rem); padding: 0; box-shadow: 0 30px 80px rgba(0,0,0,.35);
}
dialog.modal::backdrop { background: rgba(9, 9, 11, .55); backdrop-filter: blur(3px); }
dialog.modal .modal-head { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: 1rem 1.3rem; border-bottom: 1px solid var(--card-border); }
dialog.modal .modal-body { padding: 1.2rem 1.3rem; max-height: 65vh; overflow-y: auto; }
dialog.modal .modal-foot { padding: 1rem 1.3rem; border-top: 1px solid var(--card-border); display: flex; justify-content: flex-end; gap: .6rem; }

/* ============ 11. Hero & portfolio bits ============ */
.hero { padding: 4rem 0 2.6rem; text-align: center; }
.hero p.lede { font-size: 1.14rem; color: var(--text-muted); max-width: 660px; margin: 0 auto 1.6rem; }
.hero-actions { display: flex; gap: .8rem; justify-content: center; flex-wrap: wrap; }
.split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 2rem; align-items: center; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } }
.media-card { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--card-border); box-shadow: var(--soft-shadow); }
.media-card img { display: block; width: 100%; height: 100%; object-fit: cover; }

/* ============ 12. Footer ============ */
.site-footer { border-top: 1px solid var(--card-border); margin-top: 4rem; padding: 2.6rem 0 2rem; font-size: .92rem; color: var(--text-muted); }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 1.6rem; }
@media (max-width: 820px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer-grid h4 { font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; font-family: var(--mono); color: var(--text-dim); margin-bottom: .7rem; }
.footer-grid a { display: block; color: var(--text-muted); padding: .16rem 0; }
.footer-grid a:hover { color: var(--accent-text); }
.footer-bottom { margin-top: 2rem; padding-top: 1.4rem; border-top: 1px solid var(--card-border); display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; font-size: .84rem; color: var(--text-dim); }

/* ============ 13. Utilities ============ */
.muted { color: var(--text-muted); }
.dim { color: var(--text-dim); }
.small { font-size: .86rem; }
.tiny { font-size: .78rem; }
.mono { font-family: var(--mono); }
.hidden { display: none !important; }
.break-word { overflow-wrap: anywhere; }
.tag-list { display: flex; flex-wrap: wrap; gap: .35rem; }
.tag { font: 600 .74rem var(--font); color: var(--text-muted); border: 1px solid var(--card-border); padding: .16rem .55rem; border-radius: var(--radius-pill); background: var(--control-bg); }
.warn-text { color: var(--warning-text); }
.ok-text { color: var(--success-text); }
.err-text { color: var(--danger-text); }
.link-plain { color: inherit; text-decoration: none; }

/* ============ 14. Reference table (guide lists) ============ */
.ref-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.ref-table td { padding: .5em .7em; border-bottom: 1px solid var(--card-border); vertical-align: top; }
.ref-table td:first-child { font-weight: 600; color: var(--heading); white-space: nowrap; }

/* scrollbar (webkit) */
::-webkit-scrollbar { width: 11px; height: 11px; }
::-webkit-scrollbar-thumb { background: var(--card-border); border-radius: 99px; border: 3px solid transparent; background-clip: content-box; }
::-webkit-scrollbar-thumb:hover { background: var(--text-dim); background-clip: content-box; border: 3px solid transparent; }