/* ─────────────────────────────────────────────────────────────────────────────
   Techblog · Field Notes template
   Dark, magazine-style layout. All rules are scoped under
   .techblog-page--fieldnotes so they don't bleed into other techblog pages.
   ───────────────────────────────────────────────────────────────────────── */

.techblog-page--fieldnotes {
  --fn-ink: #F1F5F9;
  --fn-ink-strong: #FFFFFF;
  --fn-paper: #000000;
  --fn-paper-warm: #0E0E12;
  --fn-paper-high: #161619;
  --fn-accent: #38BDF8;
  --fn-accent-deep: #1DA1F2;
  --fn-indigo: #1F3965;
  --fn-indigo-deep: #152747;
  --fn-rust: #F87171;
  --fn-rule: #1A1A1F;
  --fn-rule-strong: #26262D;
  --fn-muted: #94A3B8;
  --fn-muted-deep: #64748B;

  background: var(--fn-paper);
  color: var(--fn-ink);
  font-family: 'Inter', sans-serif;
  font-size: 18px;
  line-height: 1.7;
  font-weight: 400;
  letter-spacing: -0.005em;
  background-image:
    radial-gradient(circle at 15% 8%, rgba(56,189,248,0.08) 0%, transparent 45%),
    radial-gradient(circle at 85% 92%, rgba(31,57,101,0.25) 0%, transparent 50%),
    radial-gradient(circle at 50% 50%, rgba(29,161,242,0.03) 0%, transparent 60%);
}

.techblog-page--fieldnotes * { box-sizing: border-box; }

/* ---------- Top meta bar ---------- */
.techblog-page--fieldnotes .fn-topbar {
  border-bottom: 1px solid var(--fn-rule-strong);
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.techblog-page--fieldnotes .fn-topbar__inner {
  max-width: 920px;
  margin: 0 auto;
  padding: 18px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--fn-ink);
}
.techblog-page--fieldnotes .fn-topbar__brand { font-weight: 700; }
.techblog-page--fieldnotes .fn-topbar__brand span { color: var(--fn-accent); }
.techblog-page--fieldnotes .fn-topbar__meta { color: var(--fn-muted); }

/* ---------- Hero ---------- */
.techblog-page--fieldnotes .fn-hero {
  max-width: 920px;
  margin: 0 auto;
  padding: 80px 40px 60px;
  padding-top: 48px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  position: relative;
}
.techblog-page--fieldnotes .fn-eyebrow {
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--fn-accent);
  display: flex;
  align-items: center;
  gap: 14px;
}
.techblog-page--fieldnotes .fn-eyebrow::before {
  content: "";
  width: 40px;
  height: 1px;
  background: var(--fn-accent);
}
.techblog-page--fieldnotes .fn-hero__title {
  font-weight: 600;
  font-size: clamp(40px, 6.5vw, 76px);
  line-height: 1.02;
  letter-spacing: -0.04em;
  margin: 28px 0 36px;
  max-width: 1100px;
  color: var(--fn-ink);
}
.techblog-page--fieldnotes .fn-hero__title em {
  font-style: italic;
  font-weight: 400;
  color: var(--fn-accent);
}
.techblog-page--fieldnotes .fn-hero__deck {
  font-weight: 300;
  font-size: clamp(20px, 2.2vw, 26px);
  line-height: 1.45;
  color: var(--fn-ink);
  max-width: 780px;
  letter-spacing: -0.01em;
}
.techblog-page--fieldnotes .fn-hero__byline {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--fn-rule-strong);
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--fn-muted);
}
.techblog-page--fieldnotes .fn-hero__byline strong { color: var(--fn-ink-strong); }

/* ---------- Stats band ---------- */
.techblog-page--fieldnotes .fn-stats {
  max-width: 920px;
  margin: 0 auto 80px;
  padding: 0 40px;
}
.techblog-page--fieldnotes .fn-stats__inner {
  background: var(--fn-indigo);
  color: #fff;
  padding: 56px 48px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  position: relative;
  overflow: hidden;
  border-radius: 24px;
}
.techblog-page--fieldnotes .fn-stats__inner::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(29,161,242,0.20) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(231,57,57,0.10) 0%, transparent 50%);
  pointer-events: none;
}
.techblog-page--fieldnotes .fn-stat {
  position: relative;
  border-left: 1px solid rgba(255,255,255,0.18);
  padding-left: 24px;
}
.techblog-page--fieldnotes .fn-stat:first-child { border-left: none; padding-left: 0; }
.techblog-page--fieldnotes .fn-stat__num {
  font-size: clamp(48px, 6vw, 76px);
  font-weight: 300;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--fn-accent);
  display: block;
}
.techblog-page--fieldnotes .fn-stat__lbl {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.65);
  margin-top: 14px;
  line-height: 1.5;
  display: block;
}

/* ---------- Article ---------- */
.techblog-page--fieldnotes .fn-article {
  max-width: 920px;
  margin: 0 auto;
  padding: 0 40px 120px;
}
.techblog-page--fieldnotes .fn-article > .fn-paragraph,
.techblog-page--fieldnotes .fn-article > .fn-h2,
.techblog-page--fieldnotes .fn-article > .fn-list-enhanced {
  max-width: 720px;
  margin-left: 0;
  margin-right: 0;
}
.techblog-page--fieldnotes .fn-paragraph {
  margin-bottom: 1.5em;
  font-size: 19px;
  line-height: 1.75;
  color: var(--fn-ink);
}
.techblog-page--fieldnotes .fn-paragraph strong { font-weight: 600; color: var(--fn-ink-strong); }
.techblog-page--fieldnotes .fn-paragraph em { color: var(--fn-accent); font-style: italic; }
.techblog-page--fieldnotes .fn-paragraph--lede {
  font-size: 22px;
  line-height: 1.6;
  letter-spacing: -0.01em;
}
.techblog-page--fieldnotes .fn-paragraph--lede::first-letter {
  font-weight: 600;
  font-size: 88px;
  line-height: 0.88;
  float: left;
  padding: 10px 14px 0 0;
  color: var(--fn-accent);
  letter-spacing: -0.04em;
}
.techblog-page--fieldnotes .fn-h2 {
  font-weight: 600;
  font-size: clamp(30px, 3.6vw, 42px);
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--fn-ink-strong);
  margin-top: 80px;
  margin-bottom: 32px;
  position: relative;
  padding-top: 24px;
}
.techblog-page--fieldnotes .fn-h2::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 56px;
  height: 3px;
  background: var(--fn-accent);
  border-radius: 2px;
}
.techblog-page--fieldnotes .fn-h2__num {
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--fn-muted);
  display: block;
  margin-bottom: 12px;
  font-weight: 500;
  text-transform: uppercase;
}

/* ---------- Figure / image ---------- */
.techblog-page--fieldnotes .fn-figure {
  margin: 56px 0;
  position: relative;
}
.techblog-page--fieldnotes .fn-figure img,
.techblog-page--fieldnotes .fn-figure video {
  width: 100%;
  height: auto;
  max-height: 480px;
  object-fit: cover;
  display: block;
  border-radius: 16px;
  box-shadow: 0 30px 60px -25px rgba(0,0,0,0.6),
              0 0 0 1px var(--fn-rule-strong);
}
.techblog-page--fieldnotes .fn-figure img {
  filter: saturate(0.92) contrast(1.02) brightness(0.88);
}
.techblog-page--fieldnotes .fn-figure video { background: var(--fn-paper); }
.techblog-page--fieldnotes .fn-figure--product img,
.techblog-page--fieldnotes .fn-figure--product video {
  max-height: none;
  object-fit: contain;
  filter: saturate(1.0) contrast(1.0) brightness(1.0);
  background: var(--fn-paper);
}
.techblog-page--fieldnotes .fn-figure figcaption {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--fn-muted);
  margin-top: 16px;
  padding-left: 16px;
  border-left: 2px solid var(--fn-accent);
  line-height: 1.6;
}

/* ---------- Pullquotes ---------- */
.techblog-page--fieldnotes .fn-blockquote {
  margin: 60px 0;
  padding: 0 0 0 32px;
  font-weight: 300;
  font-style: italic;
  font-size: clamp(24px, 2.6vw, 30px);
  line-height: 1.35;
  color: var(--fn-ink);
  letter-spacing: -0.015em;
  position: relative;
  border-left: 3px solid var(--fn-accent);
}
.techblog-page--fieldnotes .fn-blockquote::before {
  content: "\201C";
  font-size: 80px;
  line-height: 0.8;
  color: var(--fn-accent);
  position: absolute;
  top: -4px;
  left: 16px;
  font-weight: 400;
  opacity: 0.2;
}
.techblog-page--fieldnotes .fn-blockquote p { margin-bottom: 0; position: relative; z-index: 1; }
.techblog-page--fieldnotes .fn-blockquote cite {
  display: block;
  margin-top: 20px;
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-style: normal;
  color: var(--fn-muted);
  font-weight: 500;
}

/* ---------- Capabilities grid ---------- */
.techblog-page--fieldnotes .fn-capabilities {
  margin: 64px 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.techblog-page--fieldnotes .fn-cap {
  background: var(--fn-paper-warm);
  padding: 40px 32px 36px;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--fn-rule-strong);
  border-radius: 20px;
  transition: transform 0.35s cubic-bezier(0.2, 0.8, 0.2, 1),
              box-shadow 0.35s ease,
              border-color 0.35s ease,
              background 0.35s ease;
  display: flex;
  flex-direction: column;
  min-height: 260px;
}
.techblog-page--fieldnotes .fn-cap::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--fn-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.45s cubic-bezier(0.2, 0.8, 0.2, 1);
  border-radius: 20px 20px 0 0;
}
.techblog-page--fieldnotes .fn-cap::after {
  content: "";
  position: absolute;
  bottom: -60px;
  right: -60px;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(29,161,242,0.08) 0%, transparent 70%);
  border-radius: 50%;
  transition: transform 0.5s ease;
}
.techblog-page--fieldnotes .fn-cap:hover {
  transform: translateY(-4px);
  background: var(--fn-paper-high);
  box-shadow: 0 20px 50px -15px rgba(0, 0, 0, 0.5),
              0 0 0 1px rgba(56, 189, 248, 0.15);
  border-color: var(--fn-accent);
}
.techblog-page--fieldnotes .fn-cap:hover::before { transform: scaleX(1); }
.techblog-page--fieldnotes .fn-cap:hover::after { transform: scale(1.3); }
.techblog-page--fieldnotes .fn-cap:hover .fn-cap__number { color: var(--fn-accent); }
.techblog-page--fieldnotes .fn-cap:hover .fn-cap__arrow {
  transform: translate(4px, -4px);
  opacity: 1;
}
.techblog-page--fieldnotes .fn-cap__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 32px;
  position: relative;
  z-index: 1;
}
.techblog-page--fieldnotes .fn-cap__number {
  font-size: 52px;
  font-weight: 200;
  letter-spacing: -0.04em;
  line-height: 0.9;
  color: var(--fn-ink-strong);
  transition: color 0.35s ease;
  font-feature-settings: "tnum";
}
.techblog-page--fieldnotes .fn-cap__number sup {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.15em;
  vertical-align: super;
  margin-left: 2px;
  color: var(--fn-muted);
  text-transform: uppercase;
}
.techblog-page--fieldnotes .fn-cap__icon {
  width: 44px;
  height: 44px;
  border: 1px solid var(--fn-rule-strong);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--fn-accent);
  flex-shrink: 0;
}
.techblog-page--fieldnotes .fn-cap__icon svg { width: 20px; height: 20px; }
.techblog-page--fieldnotes .fn-cap__label {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--fn-accent);
  margin-bottom: 10px;
  text-transform: uppercase;
  font-weight: 700;
  position: relative;
  z-index: 1;
}
.techblog-page--fieldnotes .fn-cap__title {
  font-weight: 600;
  font-size: 22px;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
  line-height: 1.15;
  position: relative;
  z-index: 1;
  color: var(--fn-ink-strong);
}
.techblog-page--fieldnotes .fn-cap__desc {
  font-size: 15px;
  line-height: 1.6;
  color: var(--fn-muted);
  margin: 0;
  position: relative;
  z-index: 1;
  flex-grow: 1;
}
.techblog-page--fieldnotes .fn-cap__arrow {
  margin-top: 20px;
  align-self: flex-start;
  font-size: 18px;
  color: var(--fn-accent);
  opacity: 0.4;
  transition: transform 0.3s ease, opacity 0.3s ease;
  position: relative;
  z-index: 1;
  line-height: 1;
}

/* ---------- Flow diagram ---------- */
.techblog-page--fieldnotes .fn-flow {
  margin: 64px 0;
  padding: 48px 40px;
  background: linear-gradient(135deg, #000000 0%, #0E0E12 100%);
  color: #fff;
  border: 1px solid var(--fn-rule-strong);
  border-radius: 20px;
  position: relative;
  overflow: hidden;
}
.techblog-page--fieldnotes .fn-flow::before {
  content: "REQUEST FLOW";
  position: absolute;
  top: 20px;
  right: 24px;
  font-size: 10px;
  letter-spacing: 0.25em;
  color: var(--fn-accent);
}
.techblog-page--fieldnotes .fn-flow__steps {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: 24px;
}
.techblog-page--fieldnotes .fn-flow__step {
  padding: 10px 16px;
  border: 1px solid rgba(29,161,242,0.35);
  border-radius: 10px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: #fff;
  background: rgba(29,161,242,0.08);
}
.techblog-page--fieldnotes .fn-flow__arrow {
  color: var(--fn-accent);
  font-weight: bold;
}

/* ---------- Enhanced list ---------- */
.techblog-page--fieldnotes .fn-list-enhanced {
  margin: 28px 0 40px;
  padding: 0;
  list-style: none;
  counter-reset: fnlist;
}
.techblog-page--fieldnotes .fn-list-enhanced li {
  padding: 20px 0 20px 44px;
  border-bottom: 1px solid var(--fn-rule-strong);
  position: relative;
  font-size: 18px;
  line-height: 1.6;
  color: var(--fn-ink);
}
.techblog-page--fieldnotes .fn-list-enhanced li:first-child { border-top: 1px solid var(--fn-rule-strong); }
.techblog-page--fieldnotes .fn-list-enhanced li::before {
  counter-increment: fnlist;
  content: counter(fnlist, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 22px;
  font-size: 11px;
  color: var(--fn-accent);
  letter-spacing: 0.1em;
  font-weight: 700;
}
.techblog-page--fieldnotes .fn-list-enhanced li strong { font-weight: 600; color: var(--fn-ink-strong); }

/* ---------- Section divider ---------- */
.techblog-page--fieldnotes .fn-divider {
  display: flex;
  justify-content: center;
  margin: 60px 0;
  gap: 16px;
}
.techblog-page--fieldnotes .fn-divider span {
  width: 4px;
  height: 4px;
  background: var(--fn-muted);
  border-radius: 50%;
  opacity: 0.5;
}
.techblog-page--fieldnotes .fn-divider span:nth-child(2) { background: var(--fn-accent); opacity: 1; }

/* ---------- Closing card ---------- */
.techblog-page--fieldnotes .fn-closing {
  max-width: 920px;
  margin: 60px auto 0;
  padding: 0 40px;
}
.techblog-page--fieldnotes .fn-closing__inner {
  background: linear-gradient(135deg, var(--fn-indigo) 0%, var(--fn-indigo-deep) 100%);
  color: #fff;
  padding: 80px 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
  border-radius: 24px;
}
.techblog-page--fieldnotes .fn-closing__inner::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 20%, rgba(29,161,242,0.18) 0%, transparent 50%),
    radial-gradient(circle at 70% 80%, rgba(231,57,57,0.08) 0%, transparent 50%);
}
.techblog-page--fieldnotes .fn-closing__inner > * { position: relative; z-index: 1; }
.techblog-page--fieldnotes .fn-closing__quote {
  font-weight: 300;
  font-style: italic;
  font-size: clamp(28px, 3.2vw, 40px);
  line-height: 1.3;
  letter-spacing: -0.02em;
  max-width: 900px;
  margin: 0 auto 32px;
}
.techblog-page--fieldnotes .fn-closing__quote em { color: var(--fn-accent); font-style: italic; font-weight: 400; }
.techblog-page--fieldnotes .fn-closing__sub {
  color: rgba(255,255,255,0.7);
  font-size: 16px;
  max-width: 620px;
  margin: 0 auto 36px;
  line-height: 1.6;
}
.techblog-page--fieldnotes .fn-cta {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 28px;
  background: var(--fn-accent);
  color: var(--fn-paper);
  text-decoration: none;
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 700;
  border-radius: 999px;
  transition: all 0.25s ease;
}
.techblog-page--fieldnotes .fn-cta:hover {
  background: #fff;
  color: var(--fn-paper);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px -10px rgba(56,189,248,0.5);
}
.techblog-page--fieldnotes .fn-cta__arrow { transition: transform 0.25s ease; }
.techblog-page--fieldnotes .fn-cta:hover .fn-cta__arrow { transform: translate(4px, -4px); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .techblog-page--fieldnotes .fn-stats__inner { grid-template-columns: 1fr; gap: 32px; padding: 40px 28px; }
  .techblog-page--fieldnotes .fn-stat { border-left: none; border-top: 1px solid rgba(255,255,255,0.18); padding-left: 0; padding-top: 24px; }
  .techblog-page--fieldnotes .fn-stat:first-child { border-top: none; padding-top: 0; }
  .techblog-page--fieldnotes .fn-figure { margin: 40px 0; }
  .techblog-page--fieldnotes .fn-capabilities { grid-template-columns: 1fr; margin: 40px 0; gap: 16px; }
  .techblog-page--fieldnotes .fn-cap { min-height: auto; padding: 32px 24px 28px; }
  .techblog-page--fieldnotes .fn-cap__number { font-size: 42px; }
  .techblog-page--fieldnotes .fn-blockquote { margin: 48px 0; padding: 0 0 0 24px; }
  .techblog-page--fieldnotes .fn-blockquote::before { display: none; }
  .techblog-page--fieldnotes .fn-flow { margin: 40px 0; padding: 28px 20px; }
  .techblog-page--fieldnotes .fn-article { padding: 0 24px 80px; }
  .techblog-page--fieldnotes .fn-hero { padding: 48px 24px 40px; padding-top: 12px;}
  .techblog-page--fieldnotes .fn-topbar__inner { padding: 14px 24px; flex-wrap: wrap; gap: 10px; }
  .techblog-page--fieldnotes .fn-closing__inner { padding: 56px 28px; }
  .techblog-page--fieldnotes .fn-closing { padding: 0 24px; }
}