/* Dead Simple Email — Blog article template (blog/*.html only) */

:root {
  --ax-paper: #f7f1e8;
  --ax-paper-deep: #ebdfcf;
  --ax-mist: #dbe7f0;
  --ax-sky: #6d9bc8;
  --ax-sky-deep: #4775a6;
  --ax-sky-dark: #2d5178;
  --ax-ink: #171f2b;
  --ax-ink-soft: #314157;
  --ax-glow: #a7f4ff;
  --ax-line: rgba(31, 46, 68, 0.12);
  --ax-line-strong: rgba(31, 46, 68, 0.22);
  --ax-shadow: 0 24px 60px rgba(39, 53, 74, 0.12);
  --ax-shadow-soft: 0 12px 30px rgba(39, 53, 74, 0.08);
}

body.article-page {
  font-family: 'Public Sans', sans-serif;
  color: var(--ax-ink-soft);
  background:
    radial-gradient(circle at top, rgba(255,255,255,0.95), rgba(247,241,232,0.86) 42%, rgba(236,228,216,0.96)),
    linear-gradient(180deg, #fbf8f2 0%, #f2ebe0 100%);
  min-height: 100vh;
}

.article-page h1,
.article-page h2,
.article-page h3,
.article-page h4 {
  font-family: 'Space Grotesk', sans-serif;
  color: var(--ax-ink);
  letter-spacing: -0.02em;
}

.ax-noise {
  pointer-events: none;
  position: fixed;
  inset: 0;
  opacity: 0.12;
  z-index: 0;
  background-image:
    radial-gradient(circle at 20% 20%, rgba(255,255,255,0.8), transparent 18%),
    radial-gradient(circle at 80% 8%, rgba(109,155,200,0.08), transparent 24%),
    radial-gradient(circle at 78% 78%, rgba(167,244,255,0.12), transparent 18%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180' viewBox='0 0 180 180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.95' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='.2'/%3E%3C/svg%3E");
  background-size: auto, auto, auto, 190px 190px;
}

.article-page .nav,
.article-page main,
.article-page .footer {
  position: relative;
  z-index: 1;
}

.article-page .nav {
  background: rgba(247, 241, 232, 0.82);
  border-bottom: 1px solid rgba(45, 81, 120, 0.11);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.article-page .nav--scrolled {
  box-shadow: 0 12px 30px rgba(39, 53, 74, 0.08);
}

.article-page .nav__links a,
.article-page .nav__hamburger,
.article-page .nav__mobile a {
  color: var(--ax-ink-soft);
}

.article-page .nav__mobile {
  background: rgba(247, 241, 232, 0.98);
}

/* ---------- Scroll reveal ---------- */

body.has-reveal .reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 640ms ease, transform 640ms ease;
}

body.has-reveal .reveal--delay {
  transition-delay: 120ms;
}

body.has-reveal .reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- Article shell ---------- */

.article-page .article {
  padding: calc(var(--nav-h) + 58px) 0 64px;
}

.ax-top {
  max-width: 720px;
  margin: 0 auto 26px;
}

.ax-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 15px;
  border-radius: 999px;
  border: 1px solid var(--ax-line);
  background: rgba(255,255,255,0.48);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.7);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--ax-sky-dark);
  text-decoration: none;
  transition: background 160ms ease, transform 160ms ease, border-color 160ms ease;
}

.ax-back:hover {
  background: rgba(255,255,255,0.82);
  border-color: var(--ax-line-strong);
  transform: translateY(-1px);
}

.ax-back span {
  transition: transform 200ms ease;
}

.ax-back:hover span {
  transform: translateX(-3px);
}

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

.article-page .article__header {
  max-width: 720px;
  margin: 0 auto 44px;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--ax-line);
  text-align: left;
}

.article-page .article__tag {
  display: inline-flex;
  align-items: center;
  padding: 7px 13px;
  border-radius: 999px;
  border: 1px solid var(--ax-line);
  background: rgba(255,255,255,0.48);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.7);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ax-sky-dark);
  margin-bottom: 20px;
}

.article-page .article__title {
  font-size: clamp(2rem, 4.2vw, 3.1rem);
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.article-page .article__meta {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ax-sky-deep);
}

.article-page .article__meta a {
  color: var(--ax-sky-dark);
  text-decoration: none;
  border-bottom: 1px solid var(--ax-line-strong);
}

.article-page .article__meta a:hover {
  color: var(--ax-ink);
  border-bottom-color: var(--ax-sky-deep);
}

/* ---------- Article body ---------- */

.article-page .article__body {
  color: var(--ax-ink-soft);
  font-size: 1.0625rem;
  line-height: 1.8;
}

.article-page .article__body a {
  color: var(--ax-sky-deep);
  text-decoration: underline;
  text-decoration-color: rgba(71, 117, 166, 0.36);
  text-underline-offset: 3px;
  transition: color 140ms ease, text-decoration-color 140ms ease;
}

.article-page .article__body a:hover {
  color: var(--ax-sky-dark);
  text-decoration-color: var(--ax-sky-deep);
}

.article-page .article__body h2 {
  margin: 58px 0 18px;
  padding-top: 26px;
  border-top: 1px solid var(--ax-line);
  font-size: clamp(1.45rem, 2.4vw, 1.8rem);
  line-height: 1.18;
  letter-spacing: -0.025em;
}

.article-page .article__body h3 {
  margin: 38px 0 12px;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.article-page .article__body h4 {
  margin: 30px 0 10px;
  font-size: 1.05rem;
}

.article-page .article__body strong {
  color: var(--ax-ink);
}

.article-page .article__body li::marker {
  color: var(--ax-sky-deep);
}

.article-page .article__body blockquote {
  margin: 34px 0;
  padding: 22px 28px;
  border-left: 3px solid var(--ax-sky);
  border-radius: 0 18px 18px 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.62), rgba(255,253,249,0.4));
  box-shadow: var(--ax-shadow-soft);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.14rem;
  line-height: 1.5;
  letter-spacing: -0.01em;
  font-style: normal;
  color: var(--ax-ink);
}

.article-page .article__body code {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.85em;
  padding: 2px 7px;
  border-radius: 6px;
  border: 1px solid var(--ax-line);
  background: rgba(235, 223, 207, 0.55);
  color: var(--ax-sky-dark);
}

/* ---------- Code panels (dark ink) ---------- */

.article-page .code-block,
.article-page .article__body > pre,
.article-page .article__body pre:not(.code-block pre) {
  border-radius: 18px;
  border: 1px solid rgba(16, 24, 36, 0.85);
  background:
    radial-gradient(circle at 84% 10%, rgba(167, 244, 255, 0.1), transparent 44%),
    radial-gradient(circle at 8% 96%, rgba(109, 155, 200, 0.18), transparent 50%),
    linear-gradient(180deg, #22314a 0%, #141c29 100%);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.08),
    0 28px 60px rgba(23, 31, 43, 0.28);
  overflow: hidden;
}

.article-page .article__body .code-block {
  margin: 30px 0;
}

.article-page .article__body > pre,
.article-page .article__body pre:not(.code-block pre) {
  margin: 30px 0;
  padding: 20px 24px;
  color: #dfe9f5;
  font-size: 0.85rem;
  line-height: 1.75;
}

.article-page .code-block__header {
  background: rgba(10, 16, 26, 0.5);
  border-bottom: 1px solid rgba(159, 178, 200, 0.14);
  padding: 12px 16px;
}

.article-page .code-block__dot,
.article-page .code-block__dot--red,
.article-page .code-block__dot--yellow,
.article-page .code-block__dot--green {
  width: 8px;
  height: 8px;
  background: rgba(159, 178, 200, 0.24);
}

.article-page .code-block__title {
  color: #9fb2c8;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.68rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.article-page .code-block__body {
  padding: 20px 24px 22px;
}

.article-page .code-block pre {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.85rem;
  line-height: 1.75;
  color: #dfe9f5;
  background: none;
  margin: 0;
  padding: 0;
  border-radius: 0;
}

.article-page .code-block .kw { color: #f0c36a; }
.article-page .code-block .fn { color: #a7f4ff; }
.article-page .code-block .str { color: #6fcf97; }
.article-page .code-block .cm { color: #7e91a8; font-style: italic; }
.article-page .code-block .op { color: #d8e2ee; }
.article-page .code-block .num { color: #f0c36a; }
.article-page .code-block .var { color: #e8eef6; }
.article-page .code-block .res { color: #8fa3bb; }

/* ---------- Tables ---------- */

.article-page .article__body table,
.article-page .comparison-table {
  width: 100%;
  margin: 30px 0;
  border-collapse: separate;
  border-spacing: 0;
  border: 1px solid var(--ax-line);
  border-radius: 18px;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(255,255,255,0.6), rgba(255,253,249,0.42));
  box-shadow: var(--ax-shadow-soft);
  font-size: 0.92rem;
}

.article-page .article__body th,
.article-page .comparison-table th,
.article-page .article__body td,
.article-page .comparison-table td {
  padding: 13px 18px;
  text-align: left;
  border-bottom: 1px solid var(--ax-line);
  background: transparent;
}

.article-page .article__body thead th,
.article-page .comparison-table thead th {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--ax-sky-dark);
  background: rgba(219, 231, 240, 0.5);
  border-bottom: 1px solid var(--ax-line-strong);
}

.article-page .article__body tbody tr:last-child td {
  border-bottom: none;
}

.article-page .article__body tbody td:first-child,
.article-page .comparison-table tbody td:first-child {
  font-weight: 600;
  color: var(--ax-ink);
}

.article-page .comparison-table tbody td {
  color: var(--ax-ink-soft);
}

.article-page .comparison-table .check {
  color: #2e7d5b;
  font-weight: 700;
}

.article-page .comparison-table .cross {
  color: rgba(49, 65, 87, 0.32);
}

/* ---------- Related posts ---------- */

.ax-related {
  padding: 26px 0 30px;
}

.ax-related__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-top: 30px;
  border-top: 1px solid var(--ax-line);
}

.ax-related__kicker {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ax-sky-dark);
}

.ax-related__all {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ax-sky-deep);
  text-decoration: none;
  transition: color 140ms ease;
}

.ax-related__all:hover {
  color: var(--ax-ink);
}

.ax-related__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.ax-rel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 24px 24px 20px;
  border-radius: 22px;
  border: 1px solid var(--ax-line);
  background: linear-gradient(180deg, rgba(255,255,255,0.6), rgba(255,253,249,0.42));
  box-shadow: var(--ax-shadow-soft);
  overflow: hidden;
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.ax-rel-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 44px;
  height: 44px;
  background: linear-gradient(225deg, rgba(219, 231, 240, 0.9) 0%, rgba(219, 231, 240, 0.9) 50%, transparent 50%);
  border-bottom-left-radius: 18px;
  pointer-events: none;
  transition: background 180ms ease;
}

.ax-rel-card:hover {
  transform: translateY(-4px);
  border-color: var(--ax-line-strong);
  box-shadow: var(--ax-shadow);
}

.ax-rel-card:hover::after {
  background: linear-gradient(225deg, rgba(167, 244, 255, 0.65) 0%, rgba(167, 244, 255, 0.65) 50%, transparent 50%);
}

.ax-rel-card__tag {
  margin-bottom: 12px;
  padding-right: 30px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ax-sky-dark);
}

.ax-rel-card h3 {
  margin: 0 0 16px;
  font-size: 1.08rem;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.02em;
  transition: color 160ms ease;
}

.ax-rel-card:hover h3 {
  color: var(--ax-sky-dark);
}

.ax-rel-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--ax-line);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: rgba(49, 65, 87, 0.72);
}

.ax-rel-card__arrow {
  color: var(--ax-sky-deep);
  font-size: 0.95rem;
  transition: transform 200ms ease;
}

.ax-rel-card:hover .ax-rel-card__arrow {
  transform: translateX(4px);
}

/* ---------- CTA banner (dark ink panel) ---------- */

.article-page .section--gray {
  background: transparent;
  padding: 20px 0 96px;
}

.article-page .cta-banner {
  position: relative;
  padding: 52px 40px;
  border-radius: 30px;
  border: 1px solid rgba(16, 24, 36, 0.85);
  background:
    radial-gradient(circle at 82% 18%, rgba(167, 244, 255, 0.14), transparent 42%),
    radial-gradient(circle at 12% 88%, rgba(109, 155, 200, 0.24), transparent 48%),
    linear-gradient(180deg, #22314a 0%, #141c29 100%);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.08),
    0 40px 80px rgba(23, 31, 43, 0.32);
  overflow: hidden;
}

.article-page .cta-banner::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 96px;
  height: 96px;
  background: linear-gradient(225deg, rgba(167, 244, 255, 0.1) 0%, rgba(167, 244, 255, 0.1) 50%, transparent 50%);
  border-bottom-left-radius: 30px;
  pointer-events: none;
}

.article-page .cta-banner h2 {
  color: #f2f7fd;
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  letter-spacing: -0.03em;
}

.article-page .cta-banner p {
  color: #b6c5d8;
  font-size: 0.98rem;
  line-height: 1.66;
}

.article-page .signup-form__input {
  border-radius: 999px;
  border: 1px solid rgba(159, 178, 200, 0.3);
  background: rgba(255,255,255,0.08);
}

.article-page .signup-form__input:focus {
  border-color: rgba(167, 244, 255, 0.6);
}

.article-page .signup-form button {
  border-radius: 999px;
  font-family: 'IBM Plex Mono', monospace;
  letter-spacing: 0.04em;
}

.article-page .signup-form__success {
  color: var(--ax-glow);
}

/* ---------- Footer harmonizing ---------- */

.article-page .footer {
  background: transparent;
  border-top: 1px solid var(--ax-line);
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  .ax-related__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .article-page .article {
    padding-top: calc(var(--nav-h) + 40px);
  }

  .article-page .article__title {
    font-size: clamp(1.7rem, 7vw, 2.2rem);
  }

  .article-page .article__body {
    font-size: 1rem;
  }

  .article-page .cta-banner {
    padding: 40px 24px;
  }

  .article-page .article__body table,
  .article-page .comparison-table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ax-back,
  .ax-back span,
  .ax-rel-card,
  .ax-rel-card__arrow {
    transition: none;
  }
}