/*
 * Aicha Laafia — Blog
 * Premium editorial design · Dark tech-creative theme
 */

/* ═══════════════════════════════════════════════════════════════
   DESIGN TOKENS
══════════════════════════════════════════════════════════════════ */
:root {
  /* Palette — default dark (midnight blue, not pitch-black) */
  --c-bg:            #0D1628;
  --c-surface:       #131E30;
  --c-surface-hover: #182438;
  --c-border:        rgba(255, 255, 255, 0.06);
  --c-border-hover:  rgba(34, 211, 165, 0.28);
  --c-border-focus:  rgba(34, 211, 165, 0.6);

  /* Accent — emerald (tech + sustainability) */
  --c-accent:        #22D3A5;
  --c-accent-dim:    rgba(34, 211, 165, 0.10);
  --c-accent-glow:   rgba(34, 211, 165, 0.06);
  --c-accent-text:   #05091A;

  /* Text */
  --c-text:          #EEF2FF;
  --c-muted:         #8B9DC3;
  --c-dim:           #4A5878;

  /* Shadows */
  --shadow-sm:    0 2px 12px rgba(0, 0, 0, 0.35);
  --shadow-md:    0 8px 32px rgba(0, 0, 0, 0.45);
  --shadow-lg:    0 20px 60px rgba(0, 0, 0, 0.6);
  --shadow-hover: 0 20px 60px rgba(0, 0, 0, 0.65),
                  0 0 0 1px rgba(34, 211, 165, 0.18);

  /* Radii */
  --r-sm:  8px;
  --r-md:  16px;
  --r-lg:  22px;
  --r-pill: 100px;

  /* Typography */
  --f-display: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --f-body:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --f-mono:    'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;

  /* Transitions */
  --t-fast: 0.18s ease;
  --t-base: 0.32s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --t-slow: 0.55s cubic-bezier(0.25, 0.46, 0.45, 0.94);

  /* Layout */
  --max-w: 1300px;
  --pad-x: clamp(1.25rem, 4vw, 2.5rem);
}

/* ═══════════════════════════════════════════════════════════════
   RESET & BASE
══════════════════════════════════════════════════════════════════ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/*
 * CRITICAL: the browser's user-agent [hidden]{display:none} has the same
 * specificity as a class selector so any .class{display:flex} in author CSS
 * beats it. This !important ensures hidden always wins.
 */
[hidden] { display: none !important; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  /* Hard fallback so the page is never flash-white even before vars resolve */
  background: #0D1628;
}

body {
  /* Hardcoded fallback first, then custom property override */
  background-color: #0D1628;
  background-color: var(--c-bg, #0D1628);
  color: #EEF2FF;
  color: var(--c-text, #EEF2FF);
  font-family: var(--f-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  min-height: 100vh;
  min-height: 100dvh;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
}

/* ═══════════════════════════════════════════════════════════════
   BACKGROUND LAYERS
══════════════════════════════════════════════════════════════════ */
.bg-glow {
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  filter: blur(120px);
  opacity: 0.6;
}

.bg-glow--tl {
  width: 700px;
  height: 500px;
  top: -200px;
  left: -150px;
  background: radial-gradient(ellipse, rgba(34, 211, 165, 0.07) 0%, transparent 70%);
}

.bg-glow--br {
  width: 600px;
  height: 400px;
  bottom: -150px;
  right: -100px;
  background: radial-gradient(ellipse, rgba(99, 102, 241, 0.06) 0%, transparent 70%);
}

.bg-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.017) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.017) 1px, transparent 1px);
  background-size: 66px 66px;
  mask-image: linear-gradient(to bottom, transparent 0%, black 10%, black 80%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, black 10%, black 80%, transparent 100%);
}

/* ═══════════════════════════════════════════════════════════════
   STACKING
══════════════════════════════════════════════════════════════════ */
.site-header,
.main,
.site-footer {
  position: relative;
  z-index: 1;
}

/* ═══════════════════════════════════════════════════════════════
   NAVIGATION
══════════════════════════════════════════════════════════════════ */
.site-header__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--c-border);
}

.nav-brand {
  font-family: var(--f-display);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--c-accent);
  user-select: none;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--f-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-muted);
  border: 1px solid var(--c-border);
  padding: 0.5rem 1rem;
  border-radius: var(--r-pill);
  transition: color var(--t-fast), border-color var(--t-fast), background var(--t-fast);
}

.nav-cta:hover {
  color: var(--c-accent);
  border-color: rgba(34, 211, 165, 0.3);
  background: var(--c-accent-dim);
}

.nav-cta:focus-visible {
  outline: 2px solid var(--c-border-focus);
  outline-offset: 3px;
}

.nav-cta__arrow {
  transition: transform var(--t-fast);
}

.nav-cta:hover .nav-cta__arrow {
  transform: translate(2px, -2px);
}

/* ═══════════════════════════════════════════════════════════════
   HERO
══════════════════════════════════════════════════════════════════ */
.hero {
  padding: 5rem 0 4.5rem;
  max-width: 720px;
}

.hero__eyebrow {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--f-mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 1.75rem;
}

.hero__eyebrow-line {
  display: inline-block;
  width: 2rem;
  height: 1px;
  background: var(--c-accent);
  flex-shrink: 0;
}

.hero__title {
  font-family: var(--f-display);
  font-size: clamp(2.6rem, 6.5vw, 4.8rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.025em;
  color: var(--c-text);
  margin-bottom: 1.25rem;
}

.hero__title em {
  font-style: italic;
  color: var(--c-accent);
}

.hero__subtitle {
  font-family: var(--f-mono);
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-muted);
  margin-bottom: 2.5rem;
}

.hero__meta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--f-mono);
  font-size: 0.75rem;
  color: var(--c-dim);
  letter-spacing: 0.04em;
}

/* Animated live indicator */
.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--c-accent);
  flex-shrink: 0;
  animation: pulse 2.4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1;   transform: scale(1);   }
  50%       { opacity: 0.3; transform: scale(0.65); }
}

/* ═══════════════════════════════════════════════════════════════
   MAIN LAYOUT
══════════════════════════════════════════════════════════════════ */
.main {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad-x) 7rem;
}

/* ═══════════════════════════════════════════════════════════════
   FEATURED CARD
══════════════════════════════════════════════════════════════════ */
.featured-section {
  margin-bottom: 4rem;
}

/* ─── Animated entrance ─── */
@keyframes slideUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0);    }
}

.featured-card {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  overflow: hidden;
  color: inherit;
  box-shadow: var(--shadow-md);
  transition: box-shadow var(--t-base), border-color var(--t-base);
  animation: slideUp 0.6s var(--t-base) both;
}

.featured-card:hover {
  box-shadow: var(--shadow-hover);
  border-color: var(--c-border-hover);
}

.featured-card:focus-visible {
  outline: 2px solid var(--c-border-focus);
  outline-offset: 3px;
}

/* Content side */
.featured-card__body {
  padding: clamp(2rem, 4vw, 3.25rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0;
}

.featured-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--f-mono);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-accent);
  background: var(--c-accent-dim);
  border: 1px solid rgba(34, 211, 165, 0.22);
  padding: 0.3rem 0.8rem;
  border-radius: var(--r-pill);
  width: fit-content;
  margin-bottom: 1.5rem;
}

.featured-badge::before {
  content: '✦';
  font-size: 0.5rem;
}

.article-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.pill {
  font-family: var(--f-mono);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-muted);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--c-border);
  padding: 0.2rem 0.65rem;
  border-radius: var(--r-pill);
}

.featured-card__title {
  font-family: var(--f-display);
  font-size: clamp(1.55rem, 2.6vw, 2.15rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--c-text);
  margin-bottom: 1rem;
  transition: color var(--t-fast);
}

.featured-card:hover .featured-card__title {
  color: var(--c-accent);
}

.featured-card__excerpt {
  font-size: 0.975rem;
  line-height: 1.72;
  color: var(--c-muted);
  margin-bottom: 2rem;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.featured-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--f-mono);
  font-size: 0.68rem;
  color: var(--c-dim);
  letter-spacing: 0.04em;
}

.meta-dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--c-dim);
  flex-shrink: 0;
}

.read-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--f-body);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--c-accent);
  background: var(--c-accent-dim);
  border: 1px solid rgba(34, 211, 165, 0.25);
  padding: 0.55rem 1.2rem;
  border-radius: var(--r-pill);
  white-space: nowrap;
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast);
}

.read-link:hover,
.featured-card:hover .read-link {
  background: var(--c-accent);
  color: var(--c-accent-text);
  border-color: var(--c-accent);
}

.read-link__arrow {
  transition: transform var(--t-fast);
  display: inline-block;
}

.featured-card:hover .read-link__arrow {
  transform: translate(3px, -2px);
}

/* Image side */
.featured-card__img-wrap {
  position: relative;
  overflow: hidden;
  min-height: 360px;
}

/* Gradient bleed from content side */
.featured-card__img-wrap::before {
  content: '';
  position: absolute;
  inset: 0 auto 0 0;
  width: 90px;
  background: linear-gradient(to right, var(--c-surface), transparent);
  z-index: 1;
  pointer-events: none;
}

.featured-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--t-slow);
}

.featured-card:hover .featured-card__img {
  transform: scale(1.05);
}

.featured-card__img-fallback {
  width: 100%;
  height: 100%;
  min-height: 360px;
  background: linear-gradient(135deg, #0D1F3C 0%, #1A3350 50%, #0A2540 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(34, 211, 165, 0.25);
  font-size: 3.5rem;
}

/* ═══════════════════════════════════════════════════════════════
   GRID SECTION
══════════════════════════════════════════════════════════════════ */
.section-header {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.section-title {
  font-family: var(--f-display);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--c-text);
  white-space: nowrap;
}

.section-rule {
  flex: 1;
  height: 1px;
  background: var(--c-border);
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

/* ═══════════════════════════════════════════════════════════════
   ARTICLE CARD
══════════════════════════════════════════════════════════════════ */
.article-card {
  display: flex;
  flex-direction: column;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  overflow: hidden;
  color: inherit;
  box-shadow: var(--shadow-sm);

  /* Entrance animation — starts invisible */
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity    0.5s ease,
    transform  0.5s ease,
    box-shadow var(--t-base),
    border-color var(--t-base);
}

.article-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.article-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: var(--c-border-hover);
}

.article-card:focus-visible {
  outline: 2px solid var(--c-border-focus);
  outline-offset: 3px;
}

/* Cover image */
.card__img-wrap {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--c-surface-hover);
  flex-shrink: 0;
}

.card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--t-slow);
}

.article-card:hover .card__img {
  transform: scale(1.07);
}

.card__img-fallback {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #0D1F3C 0%, #1A3350 60%, #0A2540 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(34, 211, 165, 0.2);
  font-size: 2.5rem;
}

/* Card body */
.card__body {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card__title {
  font-family: var(--f-display);
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--c-text);
  margin-bottom: 0.75rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color var(--t-fast);
}

.article-card:hover .card__title {
  color: var(--c-accent);
}

.card__excerpt {
  font-size: 0.875rem;
  line-height: 1.68;
  color: var(--c-muted);
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 1.25rem;
}

.card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid var(--c-border);
}

.card__meta {
  font-family: var(--f-mono);
  font-size: 0.68rem;
  color: var(--c-dim);
  letter-spacing: 0.04em;
}

.card__arrow {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--c-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-muted);
  flex-shrink: 0;
  transition: background var(--t-fast), border-color var(--t-fast), color var(--t-fast), transform var(--t-fast);
}

.article-card:hover .card__arrow {
  background: var(--c-accent);
  border-color: var(--c-accent);
  color: var(--c-accent-text);
  transform: rotate(-42deg);
}

/* ═══════════════════════════════════════════════════════════════
   SKELETON LOADING
══════════════════════════════════════════════════════════════════ */
@keyframes shimmer {
  0%   { background-position: -800px 0; }
  100% { background-position:  800px 0; }
}

.sk {
  border-radius: 6px;
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.04) 20%,
    rgba(255, 255, 255, 0.085) 50%,
    rgba(255, 255, 255, 0.04) 80%
  );
  background-size: 800px 100%;
  animation: shimmer 1.9s ease-in-out infinite;
}

.sk--tag   { height: 18px; width: 80px;  }
.sk--title { height: 26px; width: 100%;  margin-top: 0.5rem; }
.sk--short { width: 65%; }
.sk--mid   { width: 85%; }
.sk--text  { height: 13px; width: 100%; margin-top: 0.35rem; }
.sk--meta  { height: 12px; width: 45%;  margin-top: 0.75rem; }

/* Featured skeleton */
.skeleton-featured {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  overflow: hidden;
  min-height: 360px;
}

.skeleton-featured__content {
  padding: clamp(2rem, 4vw, 3.25rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.5rem;
}

.skeleton-featured__img {
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.035) 20%,
    rgba(255, 255, 255, 0.065) 50%,
    rgba(255, 255, 255, 0.035) 80%
  );
  background-size: 800px 100%;
  animation: shimmer 1.9s ease-in-out infinite;
}

/* Card skeleton */
.skeleton-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.skeleton-card__img {
  aspect-ratio: 16 / 9;
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.035) 20%,
    rgba(255, 255, 255, 0.065) 50%,
    rgba(255, 255, 255, 0.035) 80%
  );
  background-size: 800px 100%;
  animation: shimmer 1.9s ease-in-out infinite;
}

.skeleton-card__body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

/* ═══════════════════════════════════════════════════════════════
   EMPTY & ERROR STATES
══════════════════════════════════════════════════════════════════ */
.state-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.875rem;
  padding: 6rem 2rem;
  text-align: center;
}

.state-card__icon {
  color: var(--c-accent);
  animation: float 3.2s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0);    }
  50%       { transform: translateY(-9px); }
}

.state-card__title {
  font-family: var(--f-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--c-text);
}

.state-card__text {
  font-size: 0.95rem;
  color: var(--c-muted);
  max-width: 360px;
  line-height: 1.6;
}

.btn-retry {
  margin-top: 0.25rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--c-accent);
  background: var(--c-accent-dim);
  border: 1px solid rgba(34, 211, 165, 0.28);
  padding: 0.6rem 1.6rem;
  border-radius: var(--r-pill);
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast);
}

.btn-retry:hover {
  background: var(--c-accent);
  color: var(--c-accent-text);
  border-color: var(--c-accent);
}

.btn-retry:focus-visible {
  outline: 2px solid var(--c-border-focus);
  outline-offset: 3px;
}

/* ═══════════════════════════════════════════════════════════════
   FOOTER
══════════════════════════════════════════════════════════════════ */
.site-footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--c-border);
}

.site-footer__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 1.75rem var(--pad-x);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.site-footer__left {
  display: flex;
  align-items: center;
  gap: 0;
}

.footer-brand {
  font-family: var(--f-display);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--c-text);
}

.footer-sep {
  color: var(--c-dim);
  margin: 0 0.6rem;
}

.footer-year {
  font-family: var(--f-mono);
  font-size: 0.75rem;
  color: var(--c-dim);
}

.footer-links {
  display: flex;
  gap: 1.75rem;
  list-style: none;
}

.footer-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-family: var(--f-mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-muted);
  transition: color var(--t-fast);
}

.footer-links a:hover {
  color: var(--c-accent);
}

.footer-links a:focus-visible {
  outline: 2px solid var(--c-border-focus);
  outline-offset: 3px;
  border-radius: 3px;
}

/* ═══════════════════════════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════════════════════════════ */

/* Tablet landscape */
@media (max-width: 1024px) {
  .articles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Tablet portrait */
@media (max-width: 768px) {
  .hero {
    padding: 3.5rem 0 3rem;
  }

  /* Featured: stack vertically on tablet */
  .featured-card {
    grid-template-columns: 1fr;
  }

  .featured-card__img-wrap {
    order: -1;
    min-height: 240px;
  }

  .featured-card__img-wrap::before {
    /* On mobile, gradient comes from top, not left */
    width: auto;
    height: 60px;
    inset: auto 0 0 0;
    background: linear-gradient(to top, var(--c-surface), transparent);
  }

  .featured-card__img,
  .featured-card__img-fallback {
    min-height: 240px;
  }

  .featured-card__footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .skeleton-featured {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .skeleton-featured__img {
    height: 220px;
  }

  .skeleton-featured__content {
    order: 1;
  }
}

/* Mobile */
@media (max-width: 600px) {
  .articles-grid {
    grid-template-columns: 1fr;
  }

  .site-footer__inner {
    flex-direction: column;
    text-align: center;
  }

  .nav-cta {
    display: none;
  }
}

@media (max-width: 420px) {
  .hero__title {
    font-size: 2.2rem;
  }

  .featured-card__title {
    font-size: 1.35rem;
  }
}

/* ═══════════════════════════════════════════════════════════════
   MEDIUM CTA  (bottom of main — always visible)
══════════════════════════════════════════════════════════════════ */
.medium-cta {
  position: relative;
  margin: 4rem 0 0;
  padding: 4rem 2rem;
  text-align: center;
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  background: var(--c-surface);
  overflow: hidden;
}

/* Radial accent glow behind the content */
.medium-cta__glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 60% at 50% 100%, var(--c-accent-glow), transparent);
  pointer-events: none;
}

.medium-cta__eyebrow {
  font-family: var(--f-mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 0.875rem;
}

.medium-cta__title {
  font-family: var(--f-display);
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.15;
  color: var(--c-text);
  margin-bottom: 0.875rem;
}

.medium-cta__sub {
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--c-muted);
  max-width: 480px;
  margin: 0 auto 2rem;
}

.medium-cta__btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--f-body);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--c-accent-text);
  background: var(--c-accent);
  padding: 0.8rem 2rem;
  border-radius: var(--r-pill);
  transition: opacity var(--t-fast), transform var(--t-fast), box-shadow var(--t-fast);
  box-shadow: 0 4px 20px var(--c-accent-dim);
}

.medium-cta__btn:hover {
  opacity: 0.88;
  transform: translateY(-3px);
  box-shadow: 0 8px 28px var(--c-accent-dim);
}

.medium-cta__btn:focus-visible {
  outline: 2px solid var(--c-border-focus);
  outline-offset: 3px;
}

.medium-cta__btn svg {
  transition: transform var(--t-fast);
}

.medium-cta__btn:hover svg {
  transform: translate(2px, -2px);
}

/* ═══════════════════════════════════════════════════════════════
   LIGHT THEME
   Applied when <html data-theme="light"> (set by JS from localStorage
   or prefers-color-scheme; inline script prevents any flash).
══════════════════════════════════════════════════════════════════ */

/* Re-map every token — all other rules use var() so they update for free */
:root[data-theme="light"] {
  --c-bg:            #F1F5FB;
  --c-surface:       #FFFFFF;
  --c-surface-hover: #EBF0F9;
  --c-border:        rgba(10, 20, 60, 0.09);
  --c-border-hover:  rgba(14, 155, 115, 0.38);
  --c-border-focus:  rgba(14, 155, 115, 0.65);
  --c-accent:        #0E9B73;          /* deeper emerald for WCAG contrast on white */
  --c-accent-dim:    rgba(14, 155, 115, 0.10);
  --c-accent-glow:   rgba(14, 155, 115, 0.05);
  --c-accent-text:   #FFFFFF;
  --c-text:          #0B1320;
  --c-muted:         #506070;
  --c-dim:           #9BAABB;
  --shadow-sm:    0 2px 8px  rgba(0, 0, 0, 0.06);
  --shadow-md:    0 8px 24px rgba(0, 0, 0, 0.09);
  --shadow-lg:    0 20px 48px rgba(0, 0, 0, 0.13);
  --shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.14),
                  0 0 0 1px rgba(14, 155, 115, 0.2);
}

/* Override the hardcoded dark html background for light theme */
:root[data-theme="light"] { background: var(--c-bg, #F1F5FB); }

/* Adjust decorative layers to suit light backgrounds */
:root[data-theme="light"] .bg-glow--tl {
  background: radial-gradient(ellipse, rgba(14, 155, 115, 0.07) 0%, transparent 70%);
}
:root[data-theme="light"] .bg-glow--br {
  background: radial-gradient(ellipse, rgba(99, 102, 241, 0.05) 0%, transparent 70%);
}
:root[data-theme="light"] .bg-grid {
  background-image:
    linear-gradient(rgba(0, 0, 0, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 0, 0, 0.045) 1px, transparent 1px);
}

/* Skeleton shimmer — light variant */
:root[data-theme="light"] .sk,
:root[data-theme="light"] .skeleton-featured__img,
:root[data-theme="light"] .skeleton-card__img {
  background: linear-gradient(
    90deg,
    rgba(0, 0, 0, 0.05) 20%,
    rgba(0, 0, 0, 0.09) 50%,
    rgba(0, 0, 0, 0.05) 80%
  );
  background-size: 800px 100%;
}

/* Image fallback placeholder — light variant */
:root[data-theme="light"] .featured-card__img-fallback,
:root[data-theme="light"] .card__img-fallback {
  background: linear-gradient(135deg, #D8E4F2 0%, #C8D8EE 50%, #D4E0F0 100%);
  color: rgba(14, 155, 115, 0.28);
}

/* ═══════════════════════════════════════════════════════════════
   THEME TOGGLE  (pill with two segmented buttons in footer)
══════════════════════════════════════════════════════════════════ */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--c-border);
  border-radius: var(--r-pill);
  padding: 3px;
  gap: 2px;
}

:root[data-theme="light"] .theme-toggle {
  background: rgba(0, 0, 0, 0.04);
}

.theme-opt {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--f-mono);
  font-size: 0.63rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-muted);
  background: none;
  border: none;
  padding: 0.4rem 0.85rem;
  border-radius: var(--r-pill);
  cursor: pointer;
  transition: background var(--t-fast), color var(--t-fast), box-shadow var(--t-fast);
  white-space: nowrap;
}

.theme-opt.is-active {
  background: var(--c-surface);
  color: var(--c-text);
  box-shadow: 0 1px 5px rgba(0, 0, 0, 0.18);
}

.theme-opt:hover:not(.is-active) {
  color: var(--c-text);
}

.theme-opt:focus-visible {
  outline: 2px solid var(--c-border-focus);
  outline-offset: 1px;
}

/* Footer layout: 3-col on desktop (brand | toggle | links) */
.site-footer__inner {
  justify-content: space-between;
}

/* Smooth theme transitions — added to <html> by JS after first paint
   so the initial load never flashes */
.theme-transitions,
.theme-transitions * {
  transition:
    background-color  0.28s ease,
    background        0.28s ease,
    border-color      0.28s ease,
    color             0.28s ease,
    box-shadow        0.28s ease !important;
}

/* But never animate transforms/opacity — those have their own animation */
.theme-transitions .article-card,
.theme-transitions .featured-card {
  transition:
    background-color  0.28s ease,
    border-color      0.28s ease,
    color             0.28s ease,
    box-shadow        0.28s ease,
    transform         0.32s cubic-bezier(0.25, 0.46, 0.45, 0.94),
    opacity           0.5s ease !important;
}

/* ═══════════════════════════════════════════════════════════════
   REDUCED MOTION
══════════════════════════════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .article-card {
    opacity: 1;
    transform: none;
  }

  .featured-card {
    animation: none;
  }
}