/* ==========================================================================
   Press Mentions — Stacked Editorial Layout
   Single-page vertical cards. No archive, no single posts.
   Design: clean, institutional, minimal, premium newspaper aesthetic.
   ========================================================================== */

/* ── Design Tokens ─────────────────────────────────────────────────────── */
:root {
  /* Brand palette */
  --pm-brand-teal: #0d9488;
  --pm-brand-teal-light: #ccfbf1;
  --pm-brand-navy: #0f172a;
  --pm-brand-navy-muted: #475569;
  --pm-brand-navy-light: #94a3b8;
  --pm-brand-navy-border: #e2e8f0;
  --pm-brand-bg: #f8fafc;
  --pm-brand-white: #ffffff;
  --pm-brand-black: #09090b;

  /* Typography */
  --pm-font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --pm-text-xs: 0.75rem;
  --pm-text-sm: 0.875rem;
  --pm-text-base: 1rem;
  --pm-text-lg: 1.125rem;
  --pm-text-xl: 1.25rem;
  --pm-text-2xl: 1.5rem;
  --pm-text-3xl: 1.875rem;
  --pm-text-4xl: 2.25rem;

  --pm-leading-tight: 1.2;
  --pm-leading-snug: 1.3;
  --pm-leading-normal: 1.5;
  --pm-leading-relaxed: 1.65;

  /* Spacing — 8px grid */
  --pm-space-2: 0.5rem;
  --pm-space-3: 0.75rem;
  --pm-space-4: 1rem;
  --pm-space-5: 1.25rem;
  --pm-space-6: 1.5rem;
  --pm-space-8: 2rem;
  --pm-space-10: 2.5rem;
  --pm-space-12: 3rem;
  --pm-space-16: 4rem;
  --pm-space-20: 5rem;

  /* Radii */
  --pm-radius-card: 12px;
  --pm-radius-btn: 6px;

  /* Shadows */
  --pm-shadow-card: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.06);
  --pm-shadow-card-hover: 0 4px 12px rgba(0, 0, 0, 0.06), 0 2px 4px rgba(0, 0, 0, 0.04);

  /* Container */
  --pm-container-max: 1200px;
  --pm-container-padding: var(--pm-space-6);

  /* Transitions */
  --pm-transition: 200ms ease;
}

/* ── Container ─────────────────────────────────────────────────────────── */
.pm-container {
  max-width: var(--pm-container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--pm-container-padding);
  padding-right: var(--pm-container-padding);
}

/* ── Card Stack ───────────────────────────────────────────────────────── */
.pm-card-stack {
  display: flex;
  flex-direction: column;
  gap: var(--pm-space-8);
  padding-bottom: var(--pm-space-20);
}

/* ── Card (base) ──────────────────────────────────────────────────────── */
.pm-card {
  background: var(--pm-brand-white);
  border: 1px solid var(--pm-brand-navy-border);
  border-radius: var(--pm-radius-card);
  padding: var(--pm-space-8);
  box-shadow: var(--pm-shadow-card);
  transition: box-shadow var(--pm-transition);
  display: flex;
  flex-direction: column;
  gap: var(--pm-space-6);
}

.pm-card:hover {
  box-shadow: var(--pm-shadow-card-hover);
}

/* Card header row: title (left) + publication/date (right) */
.pm-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--pm-space-6);
}

.pm-card-title {
  font-family: var(--pm-font-sans);
  font-weight: 700;
  font-size: var(--pm-text-2xl);
  line-height: var(--pm-leading-snug);
  letter-spacing: -0.015em;
  color: var(--pm-brand-black);
  margin: 0;
  flex: 1;
}

.pm-card-meta {
  text-align: right;
  flex-shrink: 0;
  white-space: nowrap;
}

.pm-card-publication {
  font-family: var(--pm-font-sans);
  font-weight: 600;
  font-size: var(--pm-text-sm);
  line-height: var(--pm-leading-normal);
  color: var(--pm-brand-navy);
  margin: 0;
}

.pm-card-date {
  font-family: var(--pm-font-sans);
  font-weight: 400;
  font-size: var(--pm-text-xs);
  line-height: var(--pm-leading-normal);
  color: var(--pm-brand-navy-light);
  margin: 0;
}

/* Card summary */
.pm-card-summary {
  font-family: var(--pm-font-sans);
  font-weight: 400;
  font-size: var(--pm-text-base);
  line-height: var(--pm-leading-relaxed);
  color: var(--pm-brand-navy-muted);
  margin: 0;
}

/* ── CTA Button ───────────────────────────────────────────────────────── */
.pm-card-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background-image: linear-gradient(90deg, #1a8cff, #22c322);
  color: #fff;
  border-radius: 8px;
  padding: 12px 25px;
  font-family: var(--pm-font-sans);
  font-weight: 700;
  font-size: var(--pm-text-sm);
  text-decoration: none;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
  transition: transform 0.2s, box-shadow 0.2s;
  align-self: flex-start;
}

.pm-card-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.25);
}

.pm-card-cta:active {
  transform: translateY(0);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
}

.pm-card-cta svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

/* ── Featured Card ────────────────────────────────────────────────────── */
.pm-card--featured {
  padding: var(--pm-space-8);
  gap: var(--pm-space-6);
  overflow: hidden;
}

/* Featured banner image — breaks out to card edges via negative margins */
.pm-featured-banner {
  width: calc(100% + var(--pm-space-8) * 2);
  margin-left: calc(var(--pm-space-8) * -1);
  margin-right: calc(var(--pm-space-8) * -1);
  aspect-ratio: 16 / 7;
  overflow: hidden;
  background: var(--pm-brand-navy-border);
}

.pm-featured-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Featured body content */
.pm-featured-body {
  font-family: var(--pm-font-sans);
  font-size: var(--pm-text-base);
  line-height: var(--pm-leading-relaxed);
  color: var(--pm-brand-navy-muted);
}

.pm-featured-body p {
  margin: 0 0 var(--pm-space-4) 0;
}

.pm-featured-body p:last-child {
  margin-bottom: 0;
}

.pm-featured-body strong {
  color: var(--pm-brand-navy);
  font-weight: 600;
}

/* ── Empty State ──────────────────────────────────────────────────────── */
.pm-empty {
  text-align: center;
  padding: var(--pm-space-16) var(--pm-space-5);
  color: var(--pm-brand-navy-light);
  font-family: var(--pm-font-sans);
  font-size: var(--pm-text-lg);
}

/* ── Tap highlight reset ──────────────────────────────────────────────── */
.pm-card-cta {
  -webkit-tap-highlight-color: transparent;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

/* Tablet */
@media (max-width: 991px) {
  :root {
    --pm-container-padding: var(--pm-space-5);
  }

  .pm-card {
    padding: var(--pm-space-6);
    gap: var(--pm-space-5);
  }

  .pm-card--featured {
    padding: var(--pm-space-6);
    gap: var(--pm-space-5);
  }

  .pm-featured-banner {
    width: calc(100% + var(--pm-space-6) * 2);
    margin-left: calc(var(--pm-space-6) * -1);
    margin-right: calc(var(--pm-space-6) * -1);
  }

  .pm-card-title {
    font-size: var(--pm-text-xl);
  }
}

/* Mobile */
@media (max-width: 767px) {
  :root {
    --pm-container-padding: var(--pm-space-4);
  }

  .pm-card-stack {
    gap: var(--pm-space-6);
    padding-bottom: var(--pm-space-12);
  }

  .pm-card {
    padding: var(--pm-space-5);
    gap: var(--pm-space-4);
  }

  .pm-card--featured {
    padding: var(--pm-space-5);
    gap: var(--pm-space-4);
  }

  .pm-featured-banner {
    width: calc(100% + var(--pm-space-5) * 2);
    margin-left: calc(var(--pm-space-5) * -1);
    margin-right: calc(var(--pm-space-5) * -1);
    aspect-ratio: 16 / 9;
  }

  .pm-card-header {
    flex-direction: column;
    gap: var(--pm-space-3);
  }

  .pm-card-meta {
    text-align: left;
  }

  .pm-card-title {
    font-size: var(--pm-text-lg);
  }
}