/* ==========================================================================
   Talvara — design system
   Palette: slate blue + warm grey. One sans (Inter), heavier weights for display.
   ========================================================================== */

:root {
  /* Slate blue — primary */
  --tv-slate-950: #141c25;
  --tv-slate-900: #1c2733;
  --tv-slate-800: #263647;
  --tv-slate-700: #33485e;
  --tv-slate-600: #425c76;
  --tv-slate-500: #55738f;
  --tv-slate-400: #7d95ac;
  --tv-slate-300: #a8bacb;
  --tv-slate-200: #cdd8e3;
  --tv-slate-100: #e4ebf2;
  --tv-slate-50:  #f2f6fa;

  /* Warm grey — neutral ground */
  --tv-warm-900: #2a2724;
  --tv-warm-800: #403c37;
  --tv-warm-700: #57524b;
  --tv-warm-600: #6f6960;
  --tv-warm-500: #8b8578;
  --tv-warm-400: #a9a396;
  --tv-warm-300: #c8c2b6;
  --tv-warm-200: #e0dbd2;
  --tv-warm-100: #efece6;
  --tv-warm-50:  #f8f6f3;

  /* Semantic */
  --tv-ink: var(--tv-slate-950);
  --tv-body: var(--tv-warm-700);
  --tv-muted: var(--tv-warm-600);
  --tv-rule: var(--tv-warm-200);
  --tv-rule-strong: var(--tv-warm-300);
  --tv-surface: #ffffff;
  --tv-surface-alt: var(--tv-warm-50);
  --tv-accent: var(--tv-slate-700);
  --tv-accent-hover: var(--tv-slate-800);

  --tv-radius: 3px;
  --tv-radius-lg: 5px;
  --tv-measure: 68ch;

  --tv-shadow-sm: 0 1px 2px rgba(20, 28, 37, .05);
  --tv-shadow: 0 1px 3px rgba(20, 28, 37, .06), 0 8px 24px -12px rgba(20, 28, 37, .12);
}

/* --------------------------------------------------------------- base ---- */

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

body {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-feature-settings: "cv05" 1, "cv08" 1, "ss01" 1;
  color: var(--tv-body);
  background: var(--tv-surface);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.65;
}

h1, h2, h3, h4, h5, h6, .tv-display {
  color: var(--tv-ink);
  font-weight: 700;
  letter-spacing: -0.018em;
  line-height: 1.18;
  text-wrap: balance;
}

a { color: inherit; }

::selection { background: var(--tv-slate-200); color: var(--tv-slate-950); }

:focus-visible {
  outline: 2px solid var(--tv-slate-600);
  outline-offset: 2px;
  border-radius: 2px;
}

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

.tv-wrap {
  width: 100%;
  max-width: 76rem;
  margin-inline: auto;
  padding-inline: 1.25rem;
}
@media (min-width: 768px)  { .tv-wrap { padding-inline: 2rem; } }
@media (min-width: 1280px) { .tv-wrap { padding-inline: 2.5rem; } }

.tv-narrow { max-width: 46rem; margin-inline: auto; }

.tv-section { padding-block: 4rem; }
@media (min-width: 768px) { .tv-section { padding-block: 5.5rem; } }

.tv-section-tight { padding-block: 3rem; }
@media (min-width: 768px) { .tv-section-tight { padding-block: 4rem; } }

.tv-alt { background: var(--tv-surface-alt); }
.tv-rule-t { border-top: 1px solid var(--tv-rule); }
.tv-rule-b { border-bottom: 1px solid var(--tv-rule); }

/* Faint technical grid, used behind hero areas. */
.tv-grid-bg {
  background-color: var(--tv-warm-50);
  background-image:
    linear-gradient(to right, rgba(66, 92, 118, .055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(66, 92, 118, .055) 1px, transparent 1px);
  background-size: 56px 56px;
  background-position: center;
}

/* --------------------------------------------------------- typography ---- */

.tv-eyebrow {
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--tv-slate-500);
}

.tv-h1 { font-size: clamp(2.1rem, 1.35rem + 2.6vw, 3.4rem); font-weight: 800; letter-spacing: -0.028em; }
.tv-h2 { font-size: clamp(1.6rem, 1.2rem + 1.5vw, 2.25rem); font-weight: 700; letter-spacing: -0.022em; }
.tv-h3 { font-size: clamp(1.15rem, 1.05rem + .4vw, 1.35rem); font-weight: 650; letter-spacing: -0.014em; }

.tv-lede {
  font-size: clamp(1.05rem, 1rem + .35vw, 1.2rem);
  line-height: 1.6;
  color: var(--tv-warm-700);
}

.tv-small { font-size: .875rem; line-height: 1.6; }
.tv-fine  { font-size: .8125rem; line-height: 1.6; color: var(--tv-muted); }

.tv-mono {
  font-family: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: .9em;
  font-feature-settings: normal;
}

/* -------------------------------------------------------------- links ---- */

.tv-link {
  color: var(--tv-slate-700);
  text-decoration: underline;
  text-decoration-color: var(--tv-slate-300);
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: text-decoration-color .15s ease, color .15s ease;
}
.tv-link:hover { color: var(--tv-slate-900); text-decoration-color: var(--tv-slate-600); }

.tv-arrow-link {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: .9375rem;
  font-weight: 550;
  color: var(--tv-slate-700);
  transition: color .15s ease, gap .15s ease;
}
.tv-arrow-link:hover { color: var(--tv-slate-950); gap: .6rem; }
.tv-arrow-link svg { flex: none; }

/* ------------------------------------------------------------ buttons ---- */

.tv-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .68rem 1.25rem;
  border-radius: var(--tv-radius);
  font-size: .9375rem;
  font-weight: 550;
  line-height: 1.2;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color .15s ease, border-color .15s ease, color .15s ease;
}

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

.tv-btn-secondary {
  background: #fff;
  color: var(--tv-slate-900);
  border-color: var(--tv-rule-strong);
  box-shadow: var(--tv-shadow-sm);
}
.tv-btn-secondary:hover { border-color: var(--tv-slate-400); background: var(--tv-warm-50); }

.tv-btn-ghost { background: transparent; color: var(--tv-slate-800); border-color: transparent; }
.tv-btn-ghost:hover { background: var(--tv-warm-100); }

.tv-btn-lg { padding: .85rem 1.6rem; font-size: 1rem; }

.tv-btn:disabled, .tv-btn[aria-disabled="true"] { opacity: .55; cursor: not-allowed; }

/* -------------------------------------------------------------- cards ---- */

.tv-card {
  background: var(--tv-surface);
  border: 1px solid var(--tv-rule);
  border-radius: var(--tv-radius-lg);
  padding: 1.5rem;
}
@media (min-width: 768px) { .tv-card { padding: 1.75rem; } }

.tv-card-hover { transition: border-color .18s ease, box-shadow .18s ease; }
.tv-card-hover:hover { border-color: var(--tv-slate-300); box-shadow: var(--tv-shadow); }

.tv-card-flat { background: var(--tv-surface-alt); border: 1px solid var(--tv-warm-200); }

/* Numbered / iconed marker used at the top of feature cards. */
.tv-marker {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--tv-radius);
  background: var(--tv-slate-50);
  border: 1px solid var(--tv-slate-100);
  color: var(--tv-slate-700);
  font-size: .8125rem;
  font-weight: 650;
  letter-spacing: .02em;
  flex: none;
}

/* --------------------------------------------------------------- tags ---- */

.tv-tag {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .18rem .5rem;
  border: 1px solid var(--tv-rule-strong);
  border-radius: 2px;
  background: var(--tv-warm-50);
  color: var(--tv-warm-700);
  font-size: .75rem;
  font-weight: 550;
  letter-spacing: .01em;
  white-space: nowrap;
}
.tv-tag-accent { background: var(--tv-slate-50); border-color: var(--tv-slate-200); color: var(--tv-slate-700); }

/* ------------------------------------------------------------- header ---- */

.tv-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, .88);
  backdrop-filter: saturate(1.6) blur(10px);
  -webkit-backdrop-filter: saturate(1.6) blur(10px);
  border-bottom: 1px solid var(--tv-rule);
}

.tv-navlink {
  display: block;
  padding: .45rem .7rem;
  border-radius: var(--tv-radius);
  font-size: .9063rem;
  font-weight: 500;
  color: var(--tv-warm-700);
  transition: color .15s ease, background-color .15s ease;
}
.tv-navlink:hover { color: var(--tv-slate-900); background: var(--tv-warm-100); }
.tv-navlink[aria-current="page"] { color: var(--tv-slate-800); font-weight: 600; }

/* Wordmark */
.tv-wordmark {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  font-weight: 750;
  font-size: 1.1875rem;
  letter-spacing: -0.03em;
  color: var(--tv-slate-950);
}
.tv-wordmark .tv-mark { flex: none; }

/* Mobile menu */
#tv-mobile-menu[hidden] { display: none; }

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

.tv-footer { background: var(--tv-slate-950); color: var(--tv-slate-300); }
.tv-footer h2, .tv-footer h3 { color: #fff; }
.tv-footer-head {
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--tv-slate-400);
}
.tv-footer-link {
  display: inline-block;
  padding-block: .2rem;
  font-size: .9063rem;
  color: var(--tv-slate-300);
  transition: color .15s ease;
}
.tv-footer-link:hover { color: #fff; }

/* ---------------------------------------------------------- logo strip --- */

.tv-logo-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--tv-rule);
  border: 1px solid var(--tv-rule);
  border-radius: var(--tv-radius-lg);
  overflow: hidden;
}
@media (min-width: 640px) { .tv-logo-strip { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (min-width: 1024px) { .tv-logo-strip { grid-template-columns: repeat(6, minmax(0, 1fr)); } }

.tv-logo-cell {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: .3rem;
  min-height: 5.5rem;
  padding: 1rem .75rem;
  background: var(--tv-surface);
  text-align: center;
}
.tv-logo-name {
  font-size: .9375rem;
  font-weight: 650;
  letter-spacing: -0.01em;
  color: var(--tv-warm-500);
}
.tv-logo-sub {
  font-size: .625rem;
  font-weight: 550;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--tv-warm-400);
}

/* ---------------------------------------------------------- data lists --- */

.tv-dl { border-top: 1px solid var(--tv-rule); }
.tv-dl > div {
  display: grid;
  gap: .25rem 1.5rem;
  padding-block: .875rem;
  border-bottom: 1px solid var(--tv-rule);
}
@media (min-width: 640px) { .tv-dl > div { grid-template-columns: 13rem minmax(0, 1fr); } }
.tv-dl dt { font-size: .875rem; font-weight: 600; color: var(--tv-slate-800); }
.tv-dl dd { font-size: .9375rem; color: var(--tv-body); }

/* -------------------------------------------------------------- prose ---- */

.tv-prose { color: var(--tv-body); font-size: 1.0313rem; line-height: 1.75; }
.tv-prose > * + * { margin-top: 1.15em; }

.tv-prose h2 {
  margin-top: 2.5em;
  margin-bottom: .7em;
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  scroll-margin-top: 6rem;
}
.tv-prose h3 {
  margin-top: 1.9em;
  margin-bottom: .55em;
  font-size: 1.09rem;
  font-weight: 650;
  letter-spacing: -0.012em;
  scroll-margin-top: 6rem;
}
.tv-prose h2 + p, .tv-prose h3 + p { margin-top: 0; }

.tv-prose ul, .tv-prose ol { padding-left: 1.35em; }
.tv-prose ul { list-style: disc; }
.tv-prose ol { list-style: decimal; }
.tv-prose li { margin-top: .45em; }
.tv-prose li::marker { color: var(--tv-warm-400); }

.tv-prose strong { color: var(--tv-slate-900); font-weight: 620; }

.tv-prose a {
  color: var(--tv-slate-700);
  text-decoration: underline;
  text-decoration-color: var(--tv-slate-300);
  text-underline-offset: 3px;
}
.tv-prose a:hover { color: var(--tv-slate-950); text-decoration-color: var(--tv-slate-600); }

.tv-prose code {
  font-family: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: .875em;
  padding: .12em .34em;
  border: 1px solid var(--tv-warm-200);
  border-radius: 2px;
  background: var(--tv-warm-50);
  color: var(--tv-slate-800);
  word-break: break-word;
}

.tv-prose pre {
  overflow-x: auto;
  padding: 1rem 1.15rem;
  border: 1px solid var(--tv-warm-200);
  border-radius: var(--tv-radius);
  background: var(--tv-warm-50);
  font-size: .8125rem;
  line-height: 1.7;
  color: var(--tv-slate-800);
  -webkit-overflow-scrolling: touch;
}
.tv-prose pre code { padding: 0; border: 0; background: none; font-size: inherit; }

.tv-prose blockquote {
  padding-left: 1.15rem;
  border-left: 2px solid var(--tv-slate-300);
  color: var(--tv-warm-700);
  font-style: normal;
}

.tv-prose hr { margin-block: 2.5em; border: 0; border-top: 1px solid var(--tv-rule); }

.tv-prose figure { margin-block: 1.6em; }
.tv-prose figcaption { margin-top: .6rem; font-size: .8125rem; color: var(--tv-muted); }

/* Callout inside articles */
.tv-callout {
  padding: 1.15rem 1.35rem;
  border: 1px solid var(--tv-slate-200);
  border-left: 3px solid var(--tv-slate-500);
  border-radius: var(--tv-radius);
  background: var(--tv-slate-50);
  font-size: .9375rem;
  line-height: 1.7;
}
.tv-callout p { margin-top: .5em; }
.tv-callout > :first-child { margin-top: 0; }
.tv-callout strong { color: var(--tv-slate-900); }

/* -------------------------------------------------------------- table ---- */

.tv-table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.tv-table { width: 100%; border-collapse: collapse; font-size: .9063rem; min-width: 34rem; }
.tv-table th, .tv-table td {
  padding: .8rem 1rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--tv-rule);
}
.tv-table thead th {
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--tv-slate-600);
  background: var(--tv-warm-50);
  border-bottom-color: var(--tv-rule-strong);
  white-space: nowrap;
}
.tv-table tbody tr:last-child td { border-bottom: 0; }

/* --------------------------------------------------------------- form ---- */

.tv-label { display: block; font-size: .8125rem; font-weight: 600; color: var(--tv-slate-800); margin-bottom: .35rem; }

.tv-input, .tv-select, .tv-textarea {
  display: block;
  width: 100%;
  padding: .6rem .75rem;
  border: 1px solid var(--tv-rule-strong);
  border-radius: var(--tv-radius);
  background: #fff;
  color: var(--tv-slate-950);
  font: inherit;
  font-size: .9375rem;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.tv-input::placeholder, .tv-textarea::placeholder { color: var(--tv-warm-400); }
.tv-input:focus, .tv-select:focus, .tv-textarea:focus {
  outline: none;
  border-color: var(--tv-slate-500);
  box-shadow: 0 0 0 3px rgba(85, 115, 143, .16);
}
.tv-textarea { min-height: 8rem; resize: vertical; }
.tv-select { appearance: none; padding-right: 2.25rem; background-image: none; }

.tv-help { margin-top: .35rem; font-size: .75rem; color: var(--tv-muted); }

/* Static, non-submitting notice */
.tv-form-notice {
  padding: .8rem 1rem;
  border: 1px dashed var(--tv-warm-300);
  border-radius: var(--tv-radius);
  background: var(--tv-warm-50);
  font-size: .8125rem;
  color: var(--tv-warm-700);
}

/* ---------------------------------------------------------- map block ---- */

.tv-map {
  position: relative;
  min-height: 17rem;
  border: 1px solid var(--tv-rule);
  border-radius: var(--tv-radius-lg);
  overflow: hidden;
  background-color: var(--tv-warm-100);
  background-image:
    linear-gradient(to right, rgba(66, 92, 118, .10) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(66, 92, 118, .10) 1px, transparent 1px),
    linear-gradient(to right, rgba(66, 92, 118, .05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(66, 92, 118, .05) 1px, transparent 1px);
  background-size: 96px 96px, 96px 96px, 24px 24px, 24px 24px;
}
.tv-map::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(150deg, rgba(255,255,255,.5), rgba(255,255,255,0) 55%);
  pointer-events: none;
}
.tv-map-pin {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;
  text-align: center;
}
.tv-map-dot {
  width: .875rem; height: .875rem;
  border-radius: 50%;
  background: var(--tv-slate-700);
  box-shadow: 0 0 0 5px rgba(66, 92, 118, .18), 0 0 0 11px rgba(66, 92, 118, .08);
}
.tv-map-label {
  padding: .3rem .6rem;
  border: 1px solid var(--tv-rule-strong);
  border-radius: 2px;
  background: rgba(255,255,255,.94);
  font-size: .75rem;
  font-weight: 600;
  color: var(--tv-slate-800);
  white-space: nowrap;
}

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

.tv-badge-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .75rem;
}
@media (min-width: 640px) { .tv-badge-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); } }

.tv-badge {
  display: flex;
  flex-direction: column;
  gap: .3rem;
  padding: .9rem 1rem;
  border: 1px solid var(--tv-rule);
  border-radius: var(--tv-radius);
  background: var(--tv-surface);
}
.tv-badge-title { font-size: .8125rem; font-weight: 650; color: var(--tv-slate-800); line-height: 1.35; }
.tv-badge-sub { font-size: .6875rem; letter-spacing: .06em; text-transform: uppercase; color: var(--tv-warm-500); font-weight: 550; }

/* ---------------------------------------------------------- utilities ---- */

.tv-skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  padding: .65rem 1rem;
  background: var(--tv-slate-900);
  color: #fff;
  font-size: .875rem;
  border-radius: 0 0 var(--tv-radius) 0;
}
.tv-skip:focus { left: 0; }

.tv-divider-dot { color: var(--tv-warm-300); }

.tv-stat-num {
  font-size: clamp(1.75rem, 1.4rem + 1.2vw, 2.25rem);
  font-weight: 750;
  letter-spacing: -0.03em;
  color: var(--tv-slate-900);
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
}