/* ===================================
   BLOG – UI Components
   =================================== */

/* ─── Reading Progress Bar ─── */
#progress-bar {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: var(--grad-accent);
  z-index: var(--z-progress);
  transition: width 0.1s linear;
  box-shadow: 0 0 10px rgba(242,143,59,0.6);
}

/* ─── Navigation ─── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: var(--bg-nav);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  z-index: var(--z-nav);
  transition: border-color var(--t-slow), background var(--t-slow);
}

.nav.scrolled { border-bottom-color: var(--border-a); }

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--sp-6);
  gap: var(--sp-4);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
  color: var(--text);
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

/* Allen full logo in nav */
.nav__logo-img {
  height: 28px;
  width: auto;
  max-width: 120px;
  object-fit: contain;
  flex-shrink: 0;
  transition: transform var(--t-base);
}
.nav__logo:hover .nav__logo-img { transform: scale(1.05); }
/* dark mode: show white logo, hide dark logo */
.nav__logo-img--light { display: none; }
[data-theme="light"] .nav__logo-img--dark  { display: none; }
[data-theme="light"] .nav__logo-img--light { display: block; }

/* Hero logo mark — centrado e grande */
.blog-hero__logo {
  display: flex;
  justify-content: center;
  margin-bottom: var(--sp-5);
}
.blog-hero__logo-img {
  width: 168px;
  height: 168px;
  object-fit: contain;
}
.blog-hero__logo-img--light { display: none; }
[data-theme="light"] .blog-hero__logo-img--dark  { display: none; }
[data-theme="light"] .blog-hero__logo-img--light { display: block; }

/* "Allen" brand text — orange gradient */
.nav__logo-name {
  background: var(--grad-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav__logo span     { color: var(--accent); }
.nav__logo .dot     { color: var(--accent-2); font-size: 1.4em; line-height: 0; }
.nav__logo-sub      { color: var(--text-muted); font-weight: 500; }

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
}

.nav__link {
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--r-md);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--t-fast), background var(--t-fast);
}
.nav__link:hover, .nav__link.active { color: var(--text); background: var(--border); }
.nav__link--home { color: var(--accent); opacity: .75; }
.nav__link--home:hover { color: var(--accent); opacity: 1; background: transparent; }

.nav__controls {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

/* Language switcher */
.lang-switcher {
  display: flex;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-full);
  padding: var(--sp-1);
  gap: 2px;
}

.lang-btn {
  padding: 4px 10px;
  border-radius: var(--r-full);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  transition: all var(--t-fast);
  cursor: pointer;
  background: transparent;
  border: none;
}

.lang-btn.active, .lang-btn:hover {
  background: var(--accent-dim);
  color: var(--accent);
}

.lang-btn.active { background: var(--accent); color: #000; }

/* Theme toggle */
.theme-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--r-md);
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: all var(--t-fast);
  flex-shrink: 0;
}
.theme-btn:hover { border-color: var(--border-a); color: var(--accent); }

/* Hamburger */
.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--sp-2);
  cursor: pointer;
  background: none;
  border: none;
}
.nav__burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-muted);
  border-radius: 2px;
  transition: all var(--t-base);
}
.nav__burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__burger.open span:nth-child(2) { opacity: 0; }
.nav__burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.nav__mobile {
  display: none;
  position: fixed;
  top: var(--nav-h);
  left: 0; right: 0;
  background: var(--bg-nav);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: var(--sp-4) var(--sp-6);
  flex-direction: column;
  gap: var(--sp-2);
  z-index: calc(var(--z-nav) - 1);
}

.nav__mobile.open { display: flex; }
.nav__mobile .nav__link { padding: var(--sp-3) var(--sp-4); width: 100%; }

/* ─── Blog Hero — Allen Editorial Masthead ─── */
.blog-hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-top: calc(var(--nav-h) + var(--sp-20));
  padding-bottom: var(--sp-16);
  position: relative;
  overflow: hidden;
}

/* Vídeo de fundo — fica abaixo de todo o conteúdo */
.blog-hero__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.22;
  z-index: 0;
  pointer-events: none;
}

/* Overlay gradiente — escurece o vídeo nas bordas para o texto respirar */
.blog-hero__video-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to bottom,
      rgba(12, 18, 32, 0.50) 0%,
      rgba(12, 18, 32, 0.15) 40%,
      rgba(12, 18, 32, 0.15) 60%,
      rgba(12, 18, 32, 0.75) 100%
    );
  z-index: 1;
  pointer-events: none;
}

/* Decorative orbs */
.blog-hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  will-change: transform;
}

.blog-hero__orb--1 {
  width: 640px; height: 640px;
  background: rgba(242, 143, 59, 0.08);
  top: -180px; right: -120px;
  animation: float 20s ease-in-out infinite;
}

.blog-hero__orb--2 {
  width: 380px; height: 380px;
  background: rgba(120, 161, 187, 0.07);
  bottom: 60px; left: -100px;
  animation: float 15s ease-in-out infinite reverse;
}

/* Hero inner — centered content block */
.blog-hero__inner {
  position: relative;
  z-index: 2;
  max-width: 860px;
  margin-inline: auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Logo mark — dark/light switching */
.blog-hero__logo {
  display: flex;
  justify-content: center;
  margin-bottom: var(--sp-6);
}
.blog-hero__logo-img {
  width: 192px;
  height: 192px;
  object-fit: contain;
}
.blog-hero__logo-img--light { display: none; }
[data-theme="light"] .blog-hero__logo-img--dark  { display: none; }
[data-theme="light"] .blog-hero__logo-img--light { display: block; }

/* Badge / live-dot eyebrow */
.blog-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: var(--sp-2) var(--sp-4);
  border: 1px solid rgba(242, 143, 59, 0.28);
  border-radius: var(--r-full);
  background: rgba(242, 143, 59, 0.06);
  backdrop-filter: blur(8px);
  margin-bottom: var(--sp-8);
}

.blog-hero__badge::before {
  content: '';
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
  animation: pulse-ring 2.2s ease-out infinite;
}

/* Multi-line display title — very large, tight leading */
.blog-hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7.5vw, 6.5rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.1;
  padding-bottom: 0.2em;
  margin-bottom: var(--sp-8);
}

.blog-hero__title-line { display: block; }

.blog-hero__title-line--accent {
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.blog-hero__desc {
  font-family: var(--font-sans);
  font-size: clamp(var(--text-base), 1.8vw, var(--text-lg));
  color: var(--text-muted);
  max-width: 520px;
  line-height: var(--lead-relaxed);
  text-align: center;
}

/* Bottom stats bar — separates above content from metrics */
.blog-hero__bottom {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--sp-6);
  margin-top: var(--sp-16);
  padding-top: var(--sp-6);
  border-top: 1px solid var(--border);
}

.blog-hero__stats {
  display: flex;
  gap: var(--sp-10);
}

.blog-hero__stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.blog-hero__stat strong {
  font-family: var(--font-display);
  font-size: clamp(var(--text-2xl), 3vw, var(--text-4xl));
  font-weight: 700;
  letter-spacing: -0.03em;
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.blog-hero__stat span {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  color: var(--text-dim);
  letter-spacing: 0.10em;
  text-transform: uppercase;
}

/* Scroll indicator — vertical line + label */
.blog-hero__scroll {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  color: var(--text-dim);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  display: flex;
  align-items: flex-end;
  gap: var(--sp-2);
  padding-bottom: 2px;
}

.blog-hero__scroll::after {
  content: '';
  display: block;
  width: 1px;
  height: 36px;
  background: linear-gradient(to bottom, var(--border), transparent);
}

/* ─── Post Card — Allen Brand Editorial ─── */
.post-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--r-lg);
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
  transition: border-color var(--t-base), box-shadow var(--t-base), transform var(--t-base);
  position: relative;
  overflow: hidden;
}

/* Left accent bar — slides in from bottom on hover (Reflexion-inspired) */
.post-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--grad-accent);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform var(--t-slow) var(--ease-out-expo);
  z-index: 2;
  border-radius: var(--r-lg) 0 0 var(--r-lg);
}

.post-card:hover::before { transform: scaleY(1); }

.post-card:hover {
  border-color: rgba(242, 143, 59, 0.22);
  box-shadow:
    var(--shadow-lg),
    0 0 60px rgba(242,143,59,0.05);
  transform: translateY(-5px);
}

/* Card body */
.post-card__body {
  padding: var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  flex: 1;
}

/* Featured card — wide horizontal layout */
.post-card--featured {
  grid-column: 1 / -1;
  flex-direction: row;
  gap: 0;
}

.post-card--featured > .post-card__cover {
  width: 46%;
  padding-top: 0;
  min-height: 300px;
  flex-shrink: 0;
}

.post-card--featured > .post-card__body {
  padding: var(--sp-10) var(--sp-8);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.post-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

/* Card title — KoHo display */
.post-card__title {
  font-family: var(--font-display);
  font-size: clamp(var(--text-base), 2vw, var(--text-xl));
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.post-card--featured .post-card__title {
  font-size: clamp(var(--text-xl), 3vw, var(--text-3xl));
  line-height: 1.15;
}

.post-card__title a {
  color: var(--text);
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 3px;
  transition: color var(--t-fast), text-decoration-color var(--t-fast);
}
.post-card__title a:hover { text-decoration-color: var(--text); }

/* Stretched link — entire card is clickable */
.post-card__title a::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--r-lg);
  z-index: 1;
  cursor: pointer;
}

/* Elements above the stretched link overlay */
.post-card .tag,
.post-card .eyebrow,
.post-card__link,
.post-card__meta a,
.post-card__meta button {
  position: relative;
  z-index: 2;
}

.post-card__excerpt {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: var(--lead-relaxed);
  flex: 1;
}

.post-card--featured .post-card__excerpt { font-size: var(--text-base); }

.post-card__meta {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  font-size: var(--text-xs);
  color: var(--text-dim);
  flex-wrap: wrap;
  padding-top: var(--sp-4);
  border-top: 1px solid var(--border);
  margin-top: auto;
}

.post-card__dot { width: 3px; height: 3px; border-radius: 50%; background: var(--text-dim); }

.post-card__link {
  color: var(--accent);
  font-weight: 600;
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  transition: gap var(--t-fast);
  margin-left: auto;
  text-transform: uppercase;
}
.post-card__link:hover { gap: var(--sp-2); }

/* ─── Section header — editorial chapter marker ─── */
.section-header {
  display: flex;
  align-items: baseline;
  gap: var(--sp-4);
  margin-bottom: var(--sp-8);
  padding-top: var(--sp-2);
}

.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(var(--text-xl), 3vw, var(--text-3xl));
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: var(--lead-tight);
}

/* Thin category-colored rule above section */
.section-rule {
  border: none;
  border-top: 1px solid var(--border);
  margin-bottom: var(--sp-6);
  margin-top: 0;
}

/* Section header — accent color per category */
.section-header--ai h2         { color: var(--cat-ai); }
.section-header--llm h2        { color: var(--cat-llm); }
.section-header--data h2       { color: var(--cat-data); }
.section-header--soccer h2     { color: var(--cat-soccer); }
.section-header--basketball h2 { color: var(--cat-basketball); }

/* Top accent bar on the section-rule per category */
.section-header--ai + .section-header,
hr.section-rule { border-top-color: var(--border); }

.section-header__count {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-dim);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-left: auto;
  align-self: center;
}

/* ─── Article page header ─── */
.post-header { padding-top: calc(var(--nav-h) + var(--sp-12)); padding-bottom: var(--sp-10); }

.post-header__back {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-bottom: var(--sp-6);
  transition: color var(--t-fast), gap var(--t-fast);
}
.post-header__back:hover { color: var(--accent); gap: var(--sp-1); }
.post-header__back svg { width: 16px; height: 16px; }

.post-header__tags { display: flex; flex-wrap: wrap; gap: var(--sp-2); margin-bottom: var(--sp-5); }

.post-header__title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: var(--sp-5);
  color: var(--text);
}

.post-header__lead {
  font-size: clamp(var(--text-base), 2vw, var(--text-xl));
  color: var(--text-muted);
  line-height: var(--lead-relaxed);
  margin-bottom: var(--sp-6);
}

.post-header__meta {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  flex-wrap: wrap;
  padding-top: var(--sp-5);
  border-top: 1px solid var(--border);
}

.post-header__author {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.post-header__avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--grad-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: var(--text-sm);
  color: #000;
  flex-shrink: 0;
}

.post-header__author-info strong { display: block; font-size: var(--text-sm); font-weight: 600; }
.post-header__author-info span   { font-size: var(--text-xs); color: var(--text-muted); }

.post-header__stats {
  display: flex;
  gap: var(--sp-4);
  margin-left: auto;
  font-size: var(--text-sm);
  color: var(--text-muted);
}

/* ─── Table of Contents ─── */
.toc {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--r-lg) var(--r-lg) 0;
  padding: var(--sp-5) var(--sp-6);
  margin-bottom: var(--sp-8);
}

.toc h4 {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--sp-3);
}

.toc ol { list-style: decimal; padding-left: var(--sp-5); }
.toc li { font-size: var(--text-sm); color: var(--text-muted); margin-bottom: var(--sp-2); }
.toc a { color: inherit; transition: color var(--t-fast); }
.toc a:hover { color: var(--accent); }

/* ─── Share bar ─── */
.share-bar {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding-block: var(--sp-6);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-block: var(--sp-8);
  flex-wrap: wrap;
}

.share-bar span { font-size: var(--text-sm); color: var(--text-muted); font-weight: 600; }

.share-btn {
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--r-full);
  font-size: var(--text-sm);
  font-weight: 600;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--t-fast);
}
.share-btn:hover { border-color: var(--border-a); color: var(--accent); }

/* ─── Footer ─── */
.footer {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  padding-block: var(--sp-10);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--sp-8);
  align-items: center;
}

.footer__logo {
  display: inline-block;
  margin-bottom: var(--sp-3);
}
.footer__logo-img {
  height: 32px;
  width: auto;
  object-fit: contain;
}
/* dark mode: show white logo, hide dark logo */
.footer__logo-img--light { display: none; }
[data-theme="light"] .footer__logo-img--dark  { display: none; }
[data-theme="light"] .footer__logo-img--light { display: block; }

.footer__brand strong {
  display: block;
  font-size: var(--text-lg);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: var(--sp-2);
}

.footer__brand p { font-size: var(--text-sm); color: var(--text-muted); }

.footer__links {
  display: flex;
  gap: var(--sp-4);
  flex-wrap: wrap;
}

.footer__link {
  font-size: var(--text-sm);
  color: var(--text-muted);
  transition: color var(--t-fast);
}
.footer__link:hover { color: var(--accent); }

.footer__bottom {
  margin-top: var(--sp-6);
  padding-top: var(--sp-6);
  border-top: 1px solid var(--border);
  font-size: var(--text-xs);
  color: var(--text-dim);
  text-align: center;
}

/* ─── Scroll to top ─── */
#scroll-top {
  position: fixed;
  bottom: var(--sp-6);
  right: var(--sp-6);
  width: 44px;
  height: 44px;
  border-radius: var(--r-full);
  background: var(--bg-card);
  border: 1px solid var(--border-a);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: all var(--t-base);
  z-index: 50;
}
#scroll-top.visible { opacity: 1; pointer-events: auto; }
#scroll-top:hover { background: var(--accent); color: #000; border-color: var(--accent); }

/* ─── Category filter — minimal underline tab style (size.swiss-inspired) ─── */
.filter-bar {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--sp-10);
  overflow-x: auto;
  scrollbar-width: none;
}

.filter-bar::-webkit-scrollbar { display: none; }

.filter-btn {
  padding: var(--sp-3) var(--sp-5);
  border-radius: 0;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: none;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: color var(--t-fast), border-color var(--t-fast);
  white-space: nowrap;
  margin-bottom: -1px;
  flex-shrink: 0;
}

.filter-btn:hover { color: var(--text); }

.filter-btn.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ─── Newsletter — Allen brand editorial ─── */
.newsletter {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-top: 3px solid var(--accent);
  border-radius: var(--r-card);
  padding: var(--sp-10);
  text-align: left;
  position: relative;
  overflow: hidden;
  margin-bottom: var(--sp-16);
}

/* Orb decorativo no canto superior direito */
.newsletter__orb {
  position: absolute;
  right: -80px; top: -80px;
  width: 280px; height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(242,143,59,0.12) 0%, rgba(120,161,187,0.06) 60%, transparent 100%);
  pointer-events: none;
}

.newsletter h2 {
  font-family: var(--font-display);
  font-size: clamp(var(--text-xl), 3vw, var(--text-3xl));
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--sp-3);
  text-align: left;
}

.newsletter p {
  color: var(--text-muted);
  margin-bottom: var(--sp-6);
  max-width: 480px;
  margin-inline: 0;
  text-align: left;
}

.newsletter__form {
  display: flex;
  gap: var(--sp-3);
  max-width: 440px;
  margin-inline: 0;
  flex-wrap: wrap;
  justify-content: flex-start;
}

.newsletter__input {
  flex: 1;
  min-width: 220px;
  padding: var(--sp-3) var(--sp-5);
  border-radius: var(--r-card);
  border: 1px solid var(--border-a);
  background: var(--bg);
  color: var(--text);
  font-size: var(--text-sm);
  outline: none;
  transition: border-color var(--t-fast);
}
.newsletter__input:focus { border-color: var(--accent); }
.newsletter__input::placeholder { color: var(--text-dim); }