/* ========== THEME TOKENS =================================== */
:root{
  --accent:       #1154b5;
  --accent-dim:   #0d4596;
  --fg:           #111111;
  --bg:           #ffffff;
  --card:         #ffffff;
  --card-border:  rgba(17, 17, 17, 0.06);
  --card-shadow:  0 20px 45px -24px rgba(14, 52, 120, 0.45);
  --muted:        rgba(17, 17, 17, 0.62);
}
[data-theme="dark"]{
  --fg:           #f5f7fb;
  --bg:           #090a0c;
  --card:         #12141a;
  --card-border:  rgba(255, 255, 255, 0.08);
  --card-shadow:  0 20px 50px -28px rgba(0, 0, 0, 0.65);
  --muted:        rgba(229, 233, 246, 0.68);
}

/* ========== GLOBAL LAYOUT ================================= */
.blog-page{
  background: var(--bg);
  color: var(--fg);
  font-family: "Inter", sans-serif;
  display: grid;
  gap: clamp(3rem, 6vw, 4rem);
}

/* ---------- HERO ----------------------------------------- */
.blog-hero{
  position: relative;
  padding: clamp(5.5rem, 10vw, 7.5rem) 1.5rem clamp(4rem, 8vw, 6rem);
  color: #ffffff;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(17, 84, 181, 0.94), rgba(2, 16, 52, 0.9));
}

.blog-hero::after{
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(17, 84, 181, 0.35) 10%, rgba(12, 34, 78, 0.75) 70%);
  mix-blend-mode: screen;
  pointer-events: none;
}

.hero-content{
  position: relative;
  max-width: min(860px, 92vw);
  margin: 0 auto;
  text-align: center;
  display: grid;
  gap: 1.5rem;
}

.hero-eyebrow{
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  opacity: 0.85;
}

.hero-title{
  margin: 0;
  font-size: clamp(2.6rem, 5vw + 1rem, 3.8rem);
  line-height: 1.12;
  font-weight: 800;
}

.hero-subtitle{
  margin: 0;
  font-size: clamp(1.05rem, 1.2vw + 0.9rem, 1.25rem);
  line-height: 1.75;
  opacity: 0.92;
}

.hero-actions{
  display: inline-flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 0.5rem;
}

.hero-btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.95rem 1.9rem;
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.2s ease, background 0.25s ease, color 0.25s ease;
}

.hero-btn-primary{
  background: #ffffff;
  color: #0c3270;
}
.hero-btn-primary:hover{
  transform: translateY(-2px);
  background: #e2ebff;
}

.hero-btn-secondary{
  border: 1px solid rgba(255, 255, 255, 0.55);
  color: #ffffff;
}
.hero-btn-secondary:hover{
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.12);
}

/* ---------- METRICS STRIP -------------------------------- */
.blog-metrics{
  padding: 0 1.5rem;
}

.metrics-inner{
  max-width: 1080px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: clamp(1rem, 3vw, 1.75rem);
}

.metric-card{
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  padding: 1.8rem;
  box-shadow: var(--card-shadow);
  display: grid;
  gap: 0.35rem;
}

.metric-value{
  font-size: clamp(1.9rem, 2vw + 1.2rem, 2.6rem);
  font-weight: 800;
  color: var(--accent);
}

.metric-label{
  margin: 0;
  font-weight: 600;
}

.metric-note{
  margin: 0;
  font-size: 0.95rem;
  color: var(--muted);
}

/* ---------- STORIES / PORTFOLIO --------------------------- */
.stories-section{
  padding: 0 1.5rem clamp(3rem, 6vw, 4.5rem);
}

.section-head{
  max-width: 1080px;
  margin: 0 auto clamp(2.5rem, 5vw, 3rem);
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: clamp(1rem, 2.5vw, 2rem);
  justify-content: space-between;
}

.section-copy{
  max-width: min(640px, 100%);
  display: grid;
  gap: 0.75rem;
}

.section-title{
  margin: 0;
  font-size: clamp(2.1rem, 4vw + 1rem, 3.1rem);
  font-weight: 800;
}

.section-lead{
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--muted);
}

.section-filters{
  display: inline-flex;
  gap: 0.6rem;
  padding: 0.5rem;
  background: color-mix(in srgb, var(--card) 70%, var(--bg));
  border: 1px solid var(--card-border);
  border-radius: 999px;
}

.filter-btn{
  position: relative;
  padding: 0.55rem 1.35rem;
  border-radius: 999px;
  border: none;
  background: transparent;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--muted);
  cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease, transform 0.2s ease;
}

.filter-btn.is-active{
  background: var(--accent);
  color: #ffffff;
  box-shadow: 0 10px 20px -12px rgba(17, 84, 181, 0.65);
}

.filter-btn:hover{
  transform: translateY(-1px);
}

.stories-grid{
  max-width: 1080px;
  margin: 0 auto;
  display: grid;
  gap: clamp(1.2rem, 2vw, 1.75rem);
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.story-card{
  position: relative;
  overflow: hidden;
  border-radius: 20px;
  background: var(--card);
  border: 1px solid var(--card-border);
  box-shadow: var(--card-shadow);
  cursor: zoom-in;
  display: grid;
  transition: transform 0.45s ease, box-shadow 0.45s ease, opacity 0.35s ease;
  opacity: 0;
  transform: translateY(24px) scale(0.97);
}

.story-card.visible{
  opacity: 1;
  transform: none;
}

.story-card img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.story-card figcaption{
  position: absolute;
  inset: auto 0 0 0;
  padding: 1.35rem 1.5rem 1.6rem;
  display: grid;
  gap: 0.5rem;
  background: linear-gradient(180deg, rgba(4, 12, 32, 0) 0%, rgba(4, 12, 32, 0.82) 85%);
  color: #ffffff;
}

.story-tag{
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.72;
}

.story-title{
  margin: 0;
  font-size: 1.2rem;
  font-weight: 700;
}

.story-excerpt{
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.55;
  opacity: 0.88;
}

.story-card:hover{
  transform: translateY(-6px) scale(1.01);
  box-shadow: 0 32px 60px -30px rgba(10, 28, 80, 0.55);
}

.story-card:hover img{
  transform: scale(1.08);
}

.story-card.is-filtered{
  display: none;
}

.empty-state{
  grid-column: 1 / -1;
  text-align: center;
  padding: 3rem 1rem;
  border-radius: 18px;
  border: 1px dashed var(--card-border);
  color: var(--muted);
}

.stories-cta{
  margin: clamp(2.5rem, 5vw, 3rem) auto 0;
  max-width: 1080px;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.cta-primary,
.cta-secondary{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.95rem 1.85rem;
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.cta-primary{
  background: var(--accent);
  color: #ffffff;
  box-shadow: 0 12px 28px -18px rgba(17, 84, 181, 0.65);
}
.cta-primary:hover{ transform: translateY(-2px); background: var(--accent-dim); }

.cta-secondary{
  border: 1px solid var(--card-border);
  color: var(--fg);
  background: var(--card);
}
.cta-secondary:hover{
  transform: translateY(-2px);
  border-color: var(--accent);
  color: var(--accent);
}

.blog-footnote{
  padding: 0 1.5rem clamp(3rem, 6vw, 4rem);
  text-align: center;
  font-size: 0.92rem;
  color: var(--muted);
}

/* ---------- LIGHTBOX -------------------------------------- */
#imgLightbox{
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(5, 10, 25, 0.72);
  z-index: 9999;
  padding: 2rem;
  backdrop-filter: blur(4px);
}

#imgLightbox.open{ display: flex; }

#imgLightbox .lb-img{
  max-width: min(96vw, 1280px);
  max-height: 90vh;
  border-radius: 16px;
  background: var(--bg);
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.45);
}

#imgLightbox .lb-close{
  position: absolute;
  top: 18px;
  right: 18px;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--fg);
  background: var(--card);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.25);
  display: grid;
  place-items: center;
}

#imgLightbox .lb-close:focus{
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ---------- RESPONSIVE & ACCESSIBILITY -------------------- */
@media (max-width: 720px){
  .hero-content{ text-align: left; }
  .hero-actions{ justify-content: flex-start; }
  .section-head{ flex-direction: column; align-items: flex-start; }
  .section-filters{ align-self: stretch; justify-content: space-between; }
  .stories-grid{ grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
}

@media (max-width: 540px){
  .hero-subtitle{ font-size: 1rem; }
  .metric-card{ padding: 1.4rem; }
  .section-filters{ flex-direction: column; padding: 0.35rem; }
  .filter-btn{ width: 100%; }
  .stories-cta{ flex-direction: column; }
}

@media (max-width: 600px){
  #imgLightbox{ padding: 1rem; }
  #imgLightbox .lb-close{ top: 12px; right: 12px; }
}

@media (prefers-reduced-motion: reduce){
  *, *::before, *::after{ animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}