@import url('../about.css');

/* ------------------------------------------------------------------ */
/* SIGNAL ARTICLE — long-form reading page                            */
/* ------------------------------------------------------------------ */

/* On-brand text selection */
::selection        { background: #2a2a2a; color: #fff; }
::-moz-selection   { background: #2a2a2a; color: #fff; }

/* Article-scoped scroll progress: 1px white bar at top of viewport. */
.art-progress {
  position: fixed; top: 0; left: 0; right: 0;
  height: 1px;
  z-index: 90;
  pointer-events: none;
  background: rgba(255,255,255,0.04);
}
.art-progress__bar {
  height: 100%;
  width: 100%;
  background: rgba(255,255,255,1);
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 80ms linear;
}

/* =================================================================== */
/* 01 · ARTICLE HEADER                                                 */
/* =================================================================== */
.art-hdr {
  padding: clamp(60px, 9vh, 120px) 40px clamp(64px, 9vh, 110px);
  position: relative;
}
.art-hdr-inner {
  max-width: 1040px;
  margin: 0 auto;
  position: relative; z-index: 2;
}
.art-eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-mute);
  margin: 28px 0 36px;
}
.art-title {
  font-family: var(--font-sans);
  font-size: clamp(44px, 5.4vw, 68px);
  line-height: 1.02;
  letter-spacing: -0.03em;
  font-weight: 500;
  color: var(--fg-0);
  margin: 0 0 28px;
  max-width: 20ch;
  text-wrap: balance;
}
.art-subtitle {
  font-size: clamp(20px, 2vw, 28px);
  line-height: 1.28;
  letter-spacing: -0.015em;
  font-weight: 400;
  color: var(--fg-2);
  margin: 0 0 48px;
  max-width: 36ch;
  text-wrap: balance;
}
.art-hdr-rule {
  width: 100%;
  max-width: 820px;
  height: 1px;
  background: var(--divider);
  margin: 0 0 28px;
}
.art-byline {
  font-size: 16px;
  line-height: 1.4;
  color: var(--fg-0);
  margin: 0 0 6px;
  font-weight: 500;
}
.art-byline-role {
  font-size: 15px;
  color: var(--fg-2);
  margin: 0 0 18px;
}
.art-meta {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-mute);
  margin: 0;
}
.art-meta .sep {
  display: inline-block;
  margin: 0 10px;
  opacity: 0.5;
}

/* =================================================================== */
/* 02 · ARTICLE BODY                                                   */
/* =================================================================== */
.art-body {
  padding: clamp(40px, 6vh, 80px) 40px clamp(60px, 8vh, 100px);
  position: relative;
}
.art-body-inner {
  max-width: 680px;
  margin: 0 auto;
  position: relative; z-index: 2;
}
.art-body p {
  font-family: var(--font-sans);
  font-size: 19px;
  line-height: 1.75;
  color: #c0c0c0;
  margin: 0 0 1.5em;
  font-weight: 400;
  letter-spacing: -0.003em;
  text-wrap: pretty;
}
.art-body p.art-lead {
  font-size: 21px;
  line-height: 1.6;
  color: #e0e0e0;
  margin-bottom: 1.6em;
}
.art-body p b,
.art-body p strong {
  color: #f4f4f4;
  font-weight: 500;
}
.art-body p em,
.art-body p i {
  font-style: italic;
  color: #d8d8d8;
}

/* Section break divider: 60px centered rule with big breathing room */
.art-break {
  display: flex; justify-content: center;
  margin: clamp(56px, 10vh, 96px) 0 clamp(56px, 10vh, 96px);
}
.art-break span {
  display: block;
  width: 60px;
  height: 1px;
  background: rgba(255,255,255,0.18);
  opacity: 0;
  transition: opacity 400ms var(--ease-out);
}
.art-break.is-in span { opacity: 0.6; }

/* Cursor on final line */
.art-end-cursor {
  display: inline-block;
  width: 0.55ch;
  height: 1em;
  vertical-align: -0.14em;
  margin-left: 0.18ch;
  background: #c0c0c0;
  animation: art-blink 1.05s step-end infinite;
}
@keyframes art-blink {
  0%, 55%  { opacity: 1; }
  55.01%,100% { opacity: 0; }
}

/* =================================================================== */
/* 03 · CLOSE                                                          */
/* =================================================================== */
.art-close {
  padding: clamp(60px, 8vh, 100px) 40px clamp(80px, 10vh, 120px);
  position: relative;
}
.art-close-inner {
  max-width: 680px; margin: 0 auto;
  position: relative; z-index: 2;
}
.art-close-rule {
  width: 100%;
  height: 1px;
  background: var(--divider);
  margin: 0 0 36px;
}
.art-close-sig {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--fg-1);
  margin: 0 0 16px;
}
.art-close-role {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.55;
  color: var(--fg-2);
  margin: 0 0 2px;
  padding-left: 28px;
}
.art-close-loc {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.55;
  color: var(--fg-mute);
  margin: 0;
  padding-left: 28px;
}

/* =================================================================== */
/* 04 · ADJACENT CTA                                                   */
/* =================================================================== */
.art-cta {
  padding: clamp(100px, 14vh, 160px) 40px clamp(80px, 10vh, 120px);
  border-top: 1px solid var(--divider);
  position: relative;
}
.art-cta-inner {
  max-width: 680px; margin: 0 auto;
  position: relative; z-index: 2;
}
.art-cta-head {
  font-size: clamp(22px, 2.4vw, 28px);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--fg-0);
  margin: 16px 0 32px;
}
.art-cta-link {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-0);
  text-decoration: none;
  padding: 4px 0;
  position: relative;
  transition: gap 220ms var(--ease-out);
}
.art-cta-link::after {
  content: '';
  position: absolute; left: 0; right: 0; bottom: 0;
  height: 1px; background: var(--fg-0);
  transform-origin: left;
  transform: scaleX(1);
  transition: transform 300ms var(--ease-out);
}
.art-cta-link:hover { gap: 14px; }
.art-cta-link .arr { transition: transform 220ms var(--ease-out); }
.art-cta-link:hover .arr { transform: translateX(4px); }

/* =================================================================== */
/* 05 · RELATED                                                        */
/* =================================================================== */
.art-rel {
  padding: clamp(80px, 12vh, 140px) 40px clamp(100px, 14vh, 160px);
  border-top: 1px solid var(--divider);
  position: relative;
}
.art-rel-inner {
  max-width: 680px; margin: 0 auto;
  position: relative; z-index: 2;
}
.art-rel-head {
  font-size: clamp(22px, 2.4vw, 28px);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--fg-2);
  margin: 16px 0 32px;
  max-width: 28ch;
  text-wrap: balance;
}
.art-rel-link {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-0);
  text-decoration: none;
  padding: 4px 0;
  position: relative;
  transition: gap 220ms var(--ease-out);
}
.art-rel-link::after {
  content: '';
  position: absolute; left: 0; right: 0; bottom: 0;
  height: 1px; background: var(--fg-0);
  transform-origin: left;
  transform: scaleX(0.45);
  transition: transform 300ms var(--ease-out);
}
.art-rel-link:hover { gap: 14px; }
.art-rel-link:hover::after { transform: scaleX(1); }
.art-rel-link .arr { transition: transform 220ms var(--ease-out); }
.art-rel-link:hover .arr { transform: translateX(4px); }

/* =================================================================== */
/* Header reveal animation                                             */
/* =================================================================== */
.art-anim {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 500ms var(--ease-out), transform 500ms var(--ease-out);
}
.art-anim.is-in {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 900px) {
  .art-hdr, .art-body, .art-close, .art-cta, .art-rel {
    padding-left: 20px; padding-right: 20px;
  }
  .art-body p { font-size: 18px; }
  .art-body p.art-lead { font-size: 19px; }
}