/* ==========================================================================
   Signal by Renny Atkins — Design Tokens & Base Styles
   ========================================================================== */

:root {
  /* Colors */
  --bg: #131110;
  --bg-alt: #171412;
  --text-primary: #F3EFE7;
  --text-secondary: #B4AFA5;
  --text-muted: #8A857C;
  --text-faint: rgba(243, 239, 231, 0.3);
  --hairline: rgba(243, 239, 231, 0.08);

  --accent: #D8A64A;
  --accent-hover: #E7BC63;
  --accent-dim: rgba(216, 166, 74, 0.4);
  --feature-rule: rgba(216, 166, 74, 0.35);

  --btn-text: #161310;
  --selection-bg: rgba(216, 166, 74, 0.28);

  /* Typography */
  --font-serif: 'Newsreader', Georgia, serif;
  --font-sans: 'Helvetica Neue', Helvetica, Arial, sans-serif;

  /* Layout */
  --content-max: 1080px;
  --content-padding: 32px;
}

/* Reset */
* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
}
body {
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
::selection {
  background: var(--selection-bg);
  color: var(--text-primary);
}
a {
  text-decoration: none;
  color: inherit;
}
img { max-width: 100%; display: block; }

.container {
  max-width: var(--content-max);
  margin: 0 auto;
  padding-left: var(--content-padding);
  padding-right: var(--content-padding);
}

.section-alt {
  background: var(--bg-alt);
}
.hairline-top {
  border-top: 1px solid var(--hairline);
}

.eyebrow {
  margin: 0;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
}
.eyebrow--muted {
  color: var(--text-muted);
}

/* Skip link for accessibility */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: var(--btn-text);
  padding: 12px 20px;
  z-index: 100;
  font-size: 14px;
  font-weight: 500;
}
.skip-link:focus {
  left: 16px;
  top: 16px;
}

/* Focus visibility for keyboard nav */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ==========================================================================
   Header / Nav
   ========================================================================== */
.site-header {
  border-bottom: 1px solid var(--hairline);
}
.site-header__row {
  padding: 22px var(--content-padding);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--font-serif);
  font-size: 21px;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--text-primary);
}
.brand__byline {
  font-size: 17px;
  font-weight: 300;
  font-style: italic;
  color: var(--text-muted);
}
.site-nav {
  display: flex;
  gap: 28px;
  align-items: baseline;
  flex-wrap: wrap;
}
.site-nav a {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  transition: color 150ms ease, border-color 150ms ease;
}
.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--text-primary);
}
.site-nav__subscribe {
  color: var(--accent) !important;
  border-bottom: 1px solid var(--accent-dim);
}
.site-nav__subscribe:hover,
.site-nav__subscribe:focus-visible {
  border-bottom: 1px solid var(--accent);
  color: var(--accent) !important;
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  padding-top: clamp(72px, 12vh, 140px);
  padding-bottom: clamp(64px, 10vh, 120px);
}
.hero__inner {
  max-width: 760px;
}
.hero__eyebrow {
  margin: 0 0 28px;
}
.hero__headline {
  margin: 0 0 28px;
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(40px, 6.2vw, 72px);
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: var(--text-primary);
  text-wrap: balance;
}
.hero__subhead {
  margin: 0 0 44px;
  max-width: 560px;
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.55;
  color: var(--text-secondary);
  text-wrap: pretty;
}
.hero__ctas {
  display: flex;
  gap: 20px;
  align-items: center;
  flex-wrap: wrap;
}
.btn-primary {
  display: inline-block;
  padding: 14px 28px;
  background: var(--accent);
  color: var(--btn-text);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.03em;
  border: none;
  cursor: pointer;
  transition: background 150ms ease;
}
.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--accent-hover);
}
.link-secondary {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 14px 4px;
  color: var(--text-primary);
  font-size: 14px;
  letter-spacing: 0.03em;
  border-bottom: 1px solid rgba(243, 239, 231, 0.25);
  transition: border-color 150ms ease;
}
.link-secondary:hover,
.link-secondary:focus-visible {
  border-bottom: 1px solid var(--accent);
}
.link-secondary__arrow {
  color: var(--accent);
}
.hero__positioning {
  margin: clamp(56px, 9vh, 96px) 0 0;
  max-width: 640px;
  padding-top: 32px;
  border-top: 1px solid var(--hairline);
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 300;
  font-size: 19px;
  line-height: 1.6;
  color: var(--text-muted);
  text-wrap: pretty;
}

/* ==========================================================================
   Shared section spacing
   ========================================================================== */
.section {
  padding-top: clamp(56px, 8vh, 88px);
  padding-bottom: clamp(56px, 8vh, 88px);
}
.section__header-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 36px;
}
.section__header-link {
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  transition: color 150ms ease;
}
.section__header-link:hover,
.section__header-link:focus-visible {
  color: var(--accent);
}

/* ==========================================================================
   Featured brief
   ========================================================================== */
.featured-article {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: clamp(28px, 5vw, 64px);
  align-items: start;
  padding-top: 36px;
  border-top: 1px solid var(--feature-rule);
}
.featured-article__category {
  margin: 0 0 22px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}
.featured-article__title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(30px, 4.4vw, 46px);
  line-height: 1.15;
  letter-spacing: -0.015em;
  text-wrap: balance;
}
.featured-article__title a {
  color: var(--text-primary);
  transition: color 150ms ease;
}
.featured-article__title a:hover,
.featured-article__title a:focus-visible {
  color: var(--accent);
}
.featured-article__meta {
  padding-top: 6px;
}
.featured-article__deck {
  margin: 0 0 24px;
  max-width: 480px;
  font-size: 17px;
  line-height: 1.65;
  color: var(--text-secondary);
  text-wrap: pretty;
}
.featured-article__byline {
  margin: 0 0 28px;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--text-muted);
}
.featured-article__byline .dot {
  color: rgba(243, 239, 231, 0.25);
}

/* ==========================================================================
   Recent writing
   ========================================================================== */
.recent-writing__header {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.recent-writing__devnote {
  font-family: 'SF Mono', ui-monospace, Menlo, monospace;
  font-size: 11px;
  color: var(--text-faint);
}
.recent-writing__list {
  display: flex;
  flex-direction: column;
  margin-top: 24px;
}
.recent-writing__row {
  display: grid;
  grid-template-columns: minmax(90px, 120px) 1fr auto;
  gap: 24px;
  align-items: baseline;
  padding: 24px 0;
  border-bottom: 1px solid var(--hairline);
  transition: background 150ms ease;
}
.recent-writing__row:hover,
.recent-writing__row:focus-visible {
  background: rgba(243, 239, 231, 0.02);
}
.recent-writing__date {
  font-size: 13px;
  color: var(--text-muted);
  white-space: nowrap;
}
.recent-writing__title {
  font-family: var(--font-serif);
  font-size: clamp(18px, 2.2vw, 21px);
  font-weight: 400;
  line-height: 1.35;
  color: var(--text-primary);
  text-wrap: pretty;
}
.recent-writing__category {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  white-space: nowrap;
}

/* ==========================================================================
   About
   ========================================================================== */
.about-grid {
  padding-top: clamp(64px, 10vh, 110px);
  padding-bottom: clamp(64px, 10vh, 110px);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: clamp(32px, 6vw, 80px);
  align-items: start;
}
.about-grid__statement {
  margin: 24px 0 0;
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(22px, 2.8vw, 30px);
  line-height: 1.4;
  letter-spacing: -0.005em;
  color: var(--text-primary);
  text-wrap: pretty;
}
.about-grid__body {
  padding-top: 40px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-secondary);
}
.about-grid__body p {
  margin: 0 0 20px;
}
.about-grid__link {
  font-size: 13px;
  color: var(--accent);
  border-bottom: 1px solid var(--accent-dim);
  transition: border-color 150ms ease;
}
.about-grid__link:hover,
.about-grid__link:focus-visible {
  border-bottom: 1px solid var(--accent);
}

/* ==========================================================================
   Newsletter CTA
   ========================================================================== */
.newsletter-cta {
  padding-top: clamp(72px, 11vh, 120px);
  padding-bottom: clamp(72px, 11vh, 120px);
  text-align: center;
}
.newsletter-cta__eyebrow {
  display: inline-block;
}
.newsletter-cta__headline {
  margin: 20px auto 0;
  max-width: 560px;
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(30px, 4.4vw, 44px);
  line-height: 1.15;
}
.newsletter-cta__support {
  margin: 20px auto 40px;
  max-width: 440px;
  font-size: 16px;
  color: var(--text-secondary);
}
.newsletter-cta .btn-primary {
  padding: 16px 36px;
}
.newsletter-cta__footnote {
  margin: 24px 0 0;
  font-size: 12px;
  color: var(--text-faint);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  padding: 32px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.site-footer__copyright {
  font-size: 13px;
  color: var(--text-muted);
}
.site-footer__links {
  display: flex;
  gap: 24px;
}
.site-footer__links a {
  font-size: 13px;
  color: var(--text-muted);
  transition: color 150ms ease;
}
.site-footer__links a:hover,
.site-footer__links a:focus-visible {
  color: var(--text-primary);
}

/* ==========================================================================
   Responsive tweaks
   ========================================================================== */
@media (max-width: 600px) {
  .site-header__row { padding: 18px 20px; }
  .container { padding-left: 20px; padding-right: 20px; }
  .site-footer { padding: 24px 20px; }
}