/*
 * Downlink Media website theme, on top of Bootstrap 5.3.
 *
 * Colours are the brand manual's (Downlink 2026 Brand Manual, page 4):
 *   Downlink Navy #21285D  Signal Violet #7C6CFF  Deep Space #0F1330
 *   SpaceRex Teal #45C2CC  Cool Gray #D0D1CE  Cloud #F4F5F8  Ink #1B1E33
 * Ratio guide ~60% white/cloud, 25% navy/deep space, 10% gray, 5% violet.
 *
 * Contrast (WCAG AA, checked): violet buttons carry Deep Space text (4.71:1);
 * violet as text on white is #5A4FD1 (6.05:1); on dark it is #9A8DFF (6.60:1);
 * muted text is #5D6178 on white (6.09:1) and #A9ADD0 on Deep Space (8.28:1).
 */

/* ---------------------------------------------------------------- fonts */

@font-face { font-family: "Barlow Semi Condensed"; font-weight: 400; font-style: normal; font-display: swap;
  src: url("../fonts/BarlowSemiCondensed-Regular.f2a2319bd9da.woff2") format("woff2"); }
@font-face { font-family: "Barlow Semi Condensed"; font-weight: 700; font-style: normal; font-display: swap;
  src: url("../fonts/BarlowSemiCondensed-Bold.b0bc8839e9da.woff2") format("woff2"); }
@font-face { font-family: "Barlow Semi Condensed"; font-weight: 900; font-style: normal; font-display: swap;
  src: url("../fonts/BarlowSemiCondensed-Black.f5b6563f3ec2.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-weight: 400; font-style: normal; font-display: swap;
  src: url("../fonts/Inter-Regular.e37b820d2b2f.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-weight: 700; font-style: normal; font-display: swap;
  src: url("../fonts/Inter-Bold.f9c1d05613f4.woff2") format("woff2"); }

/* ---------------------------------------------------------------- tokens */

:root {
  --dl-navy: #21285d;
  --dl-violet: #7c6cff;
  --dl-violet-text: #5a4fd1;   /* violet as text on light backgrounds */
  --dl-violet-light: #9a8dff;  /* violet as text on dark backgrounds */
  --dl-violet-tint: #eeebff;
  --dl-space: #0f1330;
  --dl-space-2: #151a3e;
  --dl-space-3: #1f2552;
  --dl-teal: #45c2cc;
  --dl-gray: #d0d1ce;
  --dl-cloud: #f4f5f8;
  --dl-ink: #1b1e33;
  --dl-muted: #5d6178;
  --dl-muted-dark: #a9add0;
  --dl-line: #e3e4ea;

  --dl-display: "Barlow Semi Condensed", "Arial Narrow", system-ui, sans-serif;
  --dl-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --bs-body-font-family: var(--dl-body);
  --bs-body-color: var(--dl-ink);
  --bs-body-color-rgb: 27, 30, 51;
  --bs-body-bg: #ffffff;
  --bs-secondary-color: var(--dl-muted);
  --bs-border-color: var(--dl-line);
  --bs-link-color: var(--dl-violet-text);
  --bs-link-color-rgb: 90, 79, 209;
  --bs-link-hover-color: var(--dl-navy);
  --bs-link-hover-color-rgb: 33, 40, 93;
  --bs-primary: var(--dl-violet);
  --bs-primary-rgb: 124, 108, 255;
  --bs-emphasis-color: var(--dl-ink);
  --bs-border-radius: 0.5rem;
  --bs-border-radius-lg: 0.85rem;
  --bs-focus-ring-color: rgba(124, 108, 255, 0.35);
}

body {
  font-family: var(--dl-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, .display-heading, .navbar-brand, .btn, .eyebrow {
  font-family: var(--dl-display);
}

h1, h2, h3, h4 {
  font-weight: 700;
  color: var(--dl-navy);
  letter-spacing: 0.005em;
  line-height: 1.12;
}

h1 { font-size: clamp(2.4rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.9rem, 3.4vw, 2.6rem); }
h3 { font-size: 1.5rem; }

a { text-underline-offset: 0.18em; }

.eyebrow {
  display: inline-block;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dl-violet-text);
  margin-bottom: 0.5rem;
}

.lead { color: var(--dl-muted); font-size: 1.2rem; }

.skip-link:focus { position: absolute; z-index: 2000; top: 0.5rem; left: 0.5rem; background: #fff; padding: 0.5rem 1rem; }

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

.btn {
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.02em;
  padding: 0.6rem 1.35rem;
  border-radius: 999px;
}

.btn-primary {
  --bs-btn-color: var(--dl-space);
  --bs-btn-bg: var(--dl-violet);
  --bs-btn-border-color: var(--dl-violet);
  --bs-btn-hover-color: var(--dl-space);
  --bs-btn-hover-bg: var(--dl-violet-light);
  --bs-btn-hover-border-color: var(--dl-violet-light);
  --bs-btn-active-color: var(--dl-space);
  --bs-btn-active-bg: var(--dl-violet-light);
  --bs-btn-active-border-color: var(--dl-violet-light);
  --bs-btn-focus-shadow-rgb: 124, 108, 255;
}

.btn-outline {
  --bs-btn-color: var(--dl-navy);
  --bs-btn-border-color: var(--dl-navy);
  --bs-btn-hover-color: #fff;
  --bs-btn-hover-bg: var(--dl-navy);
  --bs-btn-hover-border-color: var(--dl-navy);
  --bs-btn-active-color: #fff;
  --bs-btn-active-bg: var(--dl-navy);
}

.btn-light-outline, .on-dark .btn-outline {
  --bs-btn-color: #fff;
  --bs-btn-border-color: rgba(255, 255, 255, 0.55);
  --bs-btn-hover-color: var(--dl-space);
  --bs-btn-hover-bg: #fff;
  --bs-btn-hover-border-color: #fff;
  --bs-btn-active-color: var(--dl-space);
  --bs-btn-active-bg: #fff;
}

/* ---------------------------------------------------------------- dark surfaces */

.on-dark {
  background: var(--dl-space);
  color: #fff;
  --bs-link-color: var(--dl-violet-light);
  --bs-link-color-rgb: 154, 141, 255;
  --bs-link-hover-color: #fff;
  --bs-link-hover-color-rgb: 255, 255, 255;
}
.on-dark h1, .on-dark h2, .on-dark h3, .on-dark h4 { color: #fff; }
.on-dark .lead, .on-dark .text-muted, .on-dark .muted { color: var(--dl-muted-dark) !important; }
.on-dark .eyebrow { color: var(--dl-violet-light); }

/* ---------------------------------------------------------------- banners and header */

.env-banner {
  background: repeating-linear-gradient(-45deg, #f2b33d, #f2b33d 12px, #f5c35f 12px, #f5c35f 24px);
  color: var(--dl-ink);
  font-family: var(--dl-display);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-align: center;
  font-size: 0.9rem;
  padding: 0.25rem 1rem;
}

.announcement { background: var(--dl-navy); color: #fff; text-align: center; font-size: 0.95rem; padding: 0.5rem 1rem; }
.announcement a { color: var(--dl-violet-light); font-weight: 700; }

.site-header {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--dl-line);
}
.site-header .navbar-brand img { height: 40px; width: auto; min-width: 120px; }
.site-header .nav-link {
  font-family: var(--dl-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--dl-navy);
  padding-inline: 0.85rem !important;
}
.site-header .nav-link:hover, .site-header .nav-link:focus { color: var(--dl-violet-text); }
.site-header .nav-link.active { color: var(--dl-violet-text); box-shadow: inset 0 -3px 0 var(--dl-violet); }

/* ---------------------------------------------------------------- hero */

.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(4rem, 9vw, 7.5rem) 0 clamp(3.5rem, 7vw, 6rem);
}
/* The logo's signal arcs, drawn large and faint behind the hero. */
.hero::before {
  content: "";
  position: absolute;
  right: -12rem;
  top: -14rem;
  width: 46rem;
  height: 46rem;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 50%, rgba(124, 108, 255, 0.55) 0 2.1rem, transparent 2.15rem),
    radial-gradient(circle at 50% 50%, transparent 0 6rem, rgba(124, 108, 255, 0.22) 6.05rem 7.4rem, transparent 7.45rem),
    radial-gradient(circle at 50% 50%, transparent 0 11rem, rgba(124, 108, 255, 0.15) 11.05rem 12.4rem, transparent 12.45rem),
    radial-gradient(circle at 50% 50%, transparent 0 16rem, rgba(124, 108, 255, 0.09) 16.05rem 17.4rem, transparent 17.45rem);
  /* Like the logo's mark: the dot whole, the arcs only below it. */
  -webkit-mask-image: radial-gradient(circle at 50% 50%, #000 0 2.2rem, transparent 2.25rem),
    linear-gradient(to bottom, transparent 0 56%, #000 56%);
  mask-image: radial-gradient(circle at 50% 50%, #000 0 2.2rem, transparent 2.25rem),
    linear-gradient(to bottom, transparent 0 56%, #000 56%);
  pointer-events: none;
}
.hero .container { position: relative; }
.hero h1 { max-width: 16ch; }
.hero .lead { max-width: 42rem; font-size: 1.3rem; }
.hero-image { border-radius: var(--bs-border-radius-lg); box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45); }

.page-header { padding: clamp(3rem, 7vw, 5rem) 0 clamp(2rem, 4vw, 3rem); background: var(--dl-cloud); border-bottom: 1px solid var(--dl-line); }
.page-header .lead { max-width: 46rem; }

/* ---------------------------------------------------------------- sections and blocks */

.section { padding: clamp(3rem, 6vw, 5rem) 0; }
.section + .section { padding-top: 0; }
.section-alt { background: var(--dl-cloud); }

.block-heading { margin-top: 1rem; }
.prose { max-width: 46rem; }
.prose h2 { margin-top: 2.5rem; }
.prose h3 { margin-top: 2rem; }
.prose img { max-width: 100%; height: auto; }
.prose code { color: var(--dl-navy); background: var(--dl-cloud); padding: 0.1em 0.35em; border-radius: 0.3rem; }

.feature-card {
  height: 100%;
  padding: 1.75rem;
  border: 1px solid var(--dl-line);
  border-radius: var(--bs-border-radius-lg);
  background: #fff;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.feature-card:hover { border-color: rgba(124, 108, 255, 0.55); transform: translateY(-2px); }
.feature-icon {
  display: inline-grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  border-radius: 0.8rem;
  background: var(--dl-violet-tint);
  color: var(--dl-violet-text);
  font-size: 1.45rem;
  margin-bottom: 1rem;
}
.feature-card h3 { font-size: 1.35rem; margin-bottom: 0.5rem; }
.feature-card p:last-child { margin-bottom: 0; }

.split-image { border-radius: var(--bs-border-radius-lg); box-shadow: 0 18px 50px rgba(15, 19, 48, 0.18); width: 100%; height: auto; }

.steps { counter-reset: step; list-style: none; padding: 0; }
.steps li { counter-increment: step; position: relative; padding-left: 3.75rem; margin-bottom: 1.75rem; }
.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 2.6rem;
  height: 2.6rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--dl-navy);
  color: #fff;
  font-family: var(--dl-display);
  font-weight: 700;
  font-size: 1.2rem;
}
.steps h3 { font-size: 1.3rem; margin-bottom: 0.25rem; }

.stats { border-top: 1px solid var(--dl-line); border-bottom: 1px solid var(--dl-line); }
.stat-value { font-family: var(--dl-display); font-weight: 900; font-size: clamp(2.4rem, 5vw, 3.4rem); color: var(--dl-navy); line-height: 1; }
.stat-label { color: var(--dl-muted); margin-top: 0.4rem; }

.cta-band { border-radius: 1.25rem; padding: clamp(2.5rem, 5vw, 4rem); }

.faq details { border-bottom: 1px solid var(--dl-line); padding: 1.1rem 0; }
.faq summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--dl-display);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--dl-navy);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--dl-violet-text); font-size: 1.6rem; line-height: 1; }
.faq details[open] summary::after { content: "\2212"; }
.faq .answer { padding-top: 0.75rem; color: var(--dl-ink); }
.faq .answer p:last-child { margin-bottom: 0; }

.spec-list { border: 1px solid var(--dl-line); border-radius: var(--bs-border-radius-lg); overflow: hidden; }
.spec-list .row { margin: 0; border-bottom: 1px solid var(--dl-line); }
.spec-list .row:last-child { border-bottom: 0; }
.spec-list dt { background: var(--dl-cloud); font-weight: 700; padding: 0.9rem 1.25rem; color: var(--dl-navy); }
.spec-list dd { padding: 0.9rem 1.25rem; margin: 0; }
.spec-list dd p:last-child { margin-bottom: 0; }

blockquote.dl-quote { border-left: 4px solid var(--dl-violet); padding: 0.5rem 0 0.5rem 1.5rem; font-size: 1.3rem; color: var(--dl-navy); }
blockquote.dl-quote footer { font-size: 1rem; color: var(--dl-muted); margin-top: 0.5rem; }

.codehilite { border-radius: var(--bs-border-radius); overflow-x: auto; }
.codehilite pre { margin: 0; padding: 1rem 1.25rem; font-size: 0.92rem; }

.table-wrap { overflow-x: auto; }
.table-wrap table { width: 100%; }

.responsive-object { border-radius: var(--bs-border-radius-lg); overflow: hidden; }

/* ---------------------------------------------------------------- pricing */

.plan {
  height: 100%;
  display: flex;
  flex-direction: column;
  padding: 2rem;
  border: 1px solid var(--dl-line);
  border-radius: 1.1rem;
  background: #fff;
}
.plan.highlighted { border: 2px solid var(--dl-violet); box-shadow: 0 22px 60px rgba(124, 108, 255, 0.18); position: relative; }
.plan .plan-badge {
  position: absolute;
  top: -0.85rem;
  left: 2rem;
  background: var(--dl-violet);
  color: var(--dl-space);
  font-family: var(--dl-display);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.2rem 0.75rem;
  border-radius: 999px;
}
.plan h3 { font-size: 1.6rem; }
.plan .price { font-family: var(--dl-display); font-weight: 900; font-size: 2.6rem; color: var(--dl-navy); line-height: 1.1; }
.plan .period { color: var(--dl-muted); }
.plan ul { list-style: none; padding: 0; margin: 1.5rem 0; flex-grow: 1; }
.plan li { padding: 0.35rem 0 0.35rem 1.75rem; position: relative; }
.plan li::before { content: "\F26E"; font-family: "bootstrap-icons"; position: absolute; left: 0; color: var(--dl-violet-text); }

/* ---------------------------------------------------------------- releases and blog */

.release-item { border: 1px solid var(--dl-line); border-radius: var(--bs-border-radius-lg); padding: 1.5rem 1.75rem; margin-bottom: 1.25rem; }
.release-item h2 { font-size: 1.6rem; margin: 0; }
.version-badge {
  display: inline-block;
  font-family: var(--dl-display);
  font-weight: 700;
  letter-spacing: 0.04em;
  background: var(--dl-navy);
  color: #fff;
  border-radius: 999px;
  padding: 0.15rem 0.75rem;
  font-size: 0.95rem;
}
.version-badge.latest { background: var(--dl-violet); color: var(--dl-space); }
.release-meta, .post-meta { color: var(--dl-muted); font-size: 0.95rem; }
.highlight-card { border-left: 4px solid var(--dl-teal); padding: 0.5rem 0 0.5rem 1.25rem; margin-bottom: 1.25rem; }
.highlight-card h3 { font-size: 1.25rem; margin-bottom: 0.25rem; }
.highlight-card .bi { color: var(--dl-navy); margin-right: 0.35rem; }

.latest-release { border-radius: 1rem; padding: 1.25rem 1.5rem; }

.post-card { height: 100%; border: 1px solid var(--dl-line); border-radius: var(--bs-border-radius-lg); overflow: hidden; background: #fff; }
.post-card img { width: 100%; height: auto; aspect-ratio: 1200 / 630; object-fit: cover; }
.post-card .post-card-body { padding: 1.4rem 1.5rem; }
.post-card h3 { font-size: 1.4rem; }
.post-card a.stretched-link { color: inherit; text-decoration: none; }
.tag-pill { display: inline-block; border: 1px solid var(--dl-line); border-radius: 999px; padding: 0.1rem 0.7rem; font-size: 0.85rem; color: var(--dl-muted); text-decoration: none; margin: 0 0.25rem 0.25rem 0; }
.tag-pill:hover, .tag-pill.active { border-color: var(--dl-violet); color: var(--dl-violet-text); }

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

.contact-form .form-label { font-weight: 700; color: var(--dl-navy); }
.contact-form .form-control, .contact-form .form-select { padding: 0.7rem 0.9rem; border-color: var(--dl-gray); }
.contact-form .form-control:focus, .contact-form .form-select:focus { border-color: var(--dl-violet); box-shadow: 0 0 0 0.25rem var(--bs-focus-ring-color); }
/* The honeypot: present for bots, absent for people and screen readers. */
.contact-form .hp-field { position: absolute !important; left: -10000px !important; width: 1px; height: 1px; overflow: hidden; }

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

.site-footer { padding: 4rem 0 2rem; font-size: 0.97rem; }
.site-footer img.footer-logo { height: 44px; width: auto; min-width: 120px; }
.site-footer a { text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }
.site-footer ul { list-style: none; padding: 0; }
.site-footer li { margin-bottom: 0.45rem; }
.site-footer .social a { font-size: 1.35rem; margin-right: 0.9rem; }
.site-footer .legal { border-top: 1px solid var(--dl-space-3); margin-top: 3rem; padding-top: 1.5rem; color: var(--dl-muted-dark); font-size: 0.9rem; }
.site-footer .product-of { font-family: var(--dl-display); letter-spacing: 0.14em; text-transform: uppercase; color: var(--dl-muted-dark); font-size: 0.85rem; }

/* ---------------------------------------------------------------- small screens */

@media (max-width: 575.98px) {
  body { font-size: 1rem; }
  .hero::before { right: -22rem; top: -18rem; opacity: 0.7; }
  .btn { width: 100%; }
  .btn + .btn { margin-top: 0.6rem; }
}