/* ==========================================================================
   Fortune Group — Blog of the Day: editorial story + 3D deck of cover cards
   ========================================================================== */
.gf-blog {
  --b-ink: #1b1f24;
  --b-soft: #5a636d;
  --b-line: rgba(27, 31, 36, 0.1);
  --b-mist: #f3f5f7;
  --b-red: #d90a0a;
  --b-grad: linear-gradient(100deg, #ff3b2f 0%, #d90a0a 45%, #7e0606 100%);
  --b-font: "Archivo", "Manrope", system-ui, sans-serif;
  --b-ease: cubic-bezier(0.2, 0.8, 0.2, 1);
  position: relative;
  padding: clamp(80px, 10vw, 150px) 0;
  background:
    radial-gradient(45% 60% at 78% 45%, rgba(217, 10, 10, 0.07), rgba(217, 10, 10, 0) 70%),
    linear-gradient(180deg, #fff 0%, var(--b-mist) 100%);
  overflow: hidden;
  color: var(--b-ink);
}
.gf-blog__grid { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: clamp(32px, 5vw, 90px); align-items: center; }

/* ------------------------------------------------------------ editorial */
.gf-blog__eyebrow { display: inline-flex; align-items: center; gap: 12px; margin-bottom: 18px; font: 600 15px/1 var(--b-font); color: var(--b-red); }
.gf-blog__eyebrow::before { content: ""; width: 34px; height: 2px; background: var(--b-grad); }
.gf-blog__title-row { display: flex; align-items: flex-start; gap: 16px; margin-bottom: clamp(30px, 4vw, 48px); }
.gf-blog .gf-blog__h2 {
  margin: 0;
  font-family: var(--b-font); font-variation-settings: "wdth" 118; font-weight: 800;
  font-size: clamp(40px, 5.4vw, 84px); line-height: 0.92; letter-spacing: -0.035em;
  color: var(--b-ink); text-transform: none;
}
.gf-blog .gtfblog-plate {
  flex: none;
  display: grid; place-items: center; align-content: center; gap: 2px;
  width: 62px; height: 62px; margin-top: 4px;
  border-radius: 50%;
  background: var(--b-grad); color: #fff;
  box-shadow: 0 14px 26px -12px rgba(217, 10, 10, 0.9);
}
.gf-blog .gtfblog-plate-day { font: 800 21px/1 var(--b-font); }
.gf-blog .gtfblog-plate-month { font: 700 10px/1 var(--b-font); letter-spacing: 0.14em; opacity: 0.9; }

/* the active story; the others wait underneath, invisible */
.gf-blog__articles { display: grid; }
.gf-blog__article { grid-area: 1 / 1; visibility: hidden; opacity: 0; transform: translateY(16px); transition: opacity 0.35s ease, transform 0.45s var(--b-ease), visibility 0s linear 0.45s; }
.gf-blog__article.is-active { visibility: visible; opacity: 1; transform: none; transition: opacity 0.6s ease 0.25s, transform 0.8s var(--b-ease) 0.25s, visibility 0s; }
.gf-blog__kicker { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-bottom: 16px; font-size: 14px; color: var(--b-soft); }
.gf-blog__cat { padding: 7px 14px; border-radius: 999px; background: rgba(217, 10, 10, 0.08); color: var(--b-red); font: 700 13px/1 var(--b-font); }
.gf-blog__by span { color: var(--b-red); }
.gf-blog__by a { color: var(--b-ink); font-weight: 700; text-decoration: none; }
.gf-blog .gf-blog__title { margin: 0 0 16px; font: 800 clamp(26px, 2.6vw, 38px)/1.08 var(--b-font); font-variation-settings: "wdth" 106; letter-spacing: -0.025em; text-transform: none; }
.gf-blog .gf-blog__title a { color: var(--b-ink); text-decoration: none; }
.gf-blog .gf-blog__title a:hover { color: var(--b-red); }
.gf-blog__intro { margin: 0 0 24px; max-width: 52ch; font-size: 16px; line-height: 1.7; color: var(--b-soft); }
.gf-blog__intro strong { color: var(--b-ink); }
/* specs read as one engineered line, not boxes */
.gf-blog__specs { display: flex; flex-wrap: wrap; gap: 0; margin: 0 0 18px; padding: 16px 0; list-style: none; border-top: 1px solid var(--b-line); border-bottom: 1px solid var(--b-line); }
.gf-blog__specs li { display: grid; gap: 4px; padding: 0 22px; font-size: 12.5px; line-height: 1.3; color: var(--b-soft); border-left: 1px solid var(--b-line); }
.gf-blog__specs li:first-child { padding-left: 0; border-left: 0; }
.gf-blog__specs b { font: 800 24px/1 var(--b-font); letter-spacing: -0.02em; background: var(--b-grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.gf-blog__more { margin-bottom: 22px; }
.gf-blog__more summary { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; list-style: none; font: 700 14px/1 var(--b-font); color: var(--b-ink); }
.gf-blog__more summary::-webkit-details-marker { display: none; }
.gf-blog__more summary::after { content: "+"; color: var(--b-red); font-weight: 400; font-size: 18px; transition: transform 0.3s var(--b-ease); }
.gf-blog__more[open] summary::after { transform: rotate(45deg); }
.gf-blog__more ul { margin: 14px 0 0; padding: 0; list-style: none; display: grid; gap: 8px; }
.gf-blog__more li { position: relative; padding-left: 20px; font-size: 14px; line-height: 1.6; color: var(--b-soft); }
.gf-blog__more li::before { content: ""; position: absolute; left: 0; top: 9px; width: 10px; height: 2px; background: var(--b-grad); }
.gf-blog__read {
  display: inline-flex; align-items: center;
  height: 52px; padding: 0 28px; border-radius: 999px;
  background: var(--b-grad); color: #fff;
  font: 700 15px/1 var(--b-font); text-decoration: none;
  box-shadow: 0 16px 32px -16px rgba(217, 10, 10, 0.85);
  transition: transform 0.25s var(--b-ease), box-shadow 0.25s;
}
.gf-blog__read:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 20px 36px -16px rgba(217, 10, 10, 0.95); }

/* nav */
.gf-blog__nav { display: flex; align-items: center; gap: 12px; margin-top: clamp(30px, 4vw, 48px); }
.gf-blog__arrow {
  width: 58px; height: 58px; display: grid; place-items: center;
  border-radius: 50%; border: 1px solid rgba(27, 31, 36, 0.16); background: #fff; cursor: pointer;
  transition: background 0.3s, border-color 0.3s, transform 0.3s var(--b-ease), box-shadow 0.3s;
}
.gf-blog__arrow svg { width: 20px; height: 20px; fill: none; stroke: var(--b-ink); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.gf-blog__arrow:hover { background: var(--b-ink); border-color: transparent; transform: translateY(-2px); }
.gf-blog__arrow:hover svg { stroke: #fff; }
.gf-blog__next { background: var(--b-grad); border-color: transparent; box-shadow: 0 14px 28px -12px rgba(217, 10, 10, 0.8); }
.gf-blog__next svg { stroke: #fff; }
.gf-blog__arrow:focus-visible, .gf-cover:focus-visible { outline: 3px solid rgba(217, 10, 10, 0.4); outline-offset: 4px; }
.gf-blog__progress { display: grid; gap: 10px; margin-left: 14px; min-width: 120px; }
.gf-blog__count { font: 600 14px/1 var(--b-font); color: var(--b-soft); font-variant-numeric: tabular-nums; }
.gf-blog__count b { font-size: 22px; font-weight: 800; color: var(--b-ink); }
.gf-blog__bar { position: relative; height: 2px; background: rgba(27, 31, 36, 0.12); border-radius: 2px; overflow: hidden; }
.gf-blog__bar i { position: absolute; inset: 0; background: var(--b-grad); transform-origin: 0 50%; transform: scaleX(var(--prog, 0.25)); transition: transform 0.7s var(--b-ease); }

/* --------------------------------------------------------------- covers */
.gf-blog__stage {
  position: relative;
  height: clamp(440px, 46vw, 620px);
  perspective: 1700px;
  perspective-origin: 20% 45%;
}
.gf-cover {
  position: absolute; top: 0; left: 0;
  width: min(68%, 420px); aspect-ratio: 3 / 4;
  padding: 0; border: 0;
  border-radius: 18px;
  overflow: visible;
  background: #2a2f36;
  cursor: pointer;
  transform-origin: 50% 50%;
  transform-style: preserve-3d;
  transition: transform 0.95s var(--b-ease), opacity 0.7s ease, filter 0.7s ease;
  box-shadow: 0 60px 90px -50px rgba(27, 31, 36, 0.7);
  /* mirror on the polished floor */
  -webkit-box-reflect: below 14px linear-gradient(transparent 72%, rgba(255, 255, 255, 0.28));
}
.gf-cover img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; border-radius: inherit; transition: transform 1.2s var(--b-ease); }
.gf-cover__shade { position: absolute; inset: 0; border-radius: inherit; background: linear-gradient(180deg, rgba(27, 31, 36, 0.05) 30%, rgba(27, 31, 36, 0.75) 100%); }
.gf-cover__glare { position: absolute; inset: 0; border-radius: inherit; background: radial-gradient(60% 45% at var(--gx, 30%) var(--gy, 20%), rgba(255, 255, 255, 0.35), rgba(255, 255, 255, 0) 70%); mix-blend-mode: soft-light; opacity: 0; transition: opacity 0.4s; }
.gf-cover__no {
  position: absolute; top: 18px; left: 22px;
  font: 800 64px/1 var(--b-font); font-variation-settings: "wdth" 120; letter-spacing: -0.04em;
  color: transparent; -webkit-text-stroke: 1.5px rgba(255, 255, 255, 0.85);
}
.gf-cover__tag {
  position: absolute; left: 22px; bottom: 22px;
  padding: 9px 16px; border-radius: 999px;
  background: rgba(255, 255, 255, 0.94); color: var(--b-red);
  font: 700 13px/1 var(--b-font);
}
.gf-cover::after { /* red edge light on the front cover */
  content: ""; position: absolute; left: 22px; right: 22px; bottom: -1px; height: 3px; border-radius: 3px;
  background: var(--b-grad); opacity: 0; transition: opacity 0.5s;
}

/* deck positions: 0 front, then fanned back and to the right */
.gf-cover[data-pos="0"] { z-index: 4; transform: translate3d(0, 0, 0) rotateY(var(--ry, -10deg)) rotateX(var(--rx, 0deg)); }
.gf-cover[data-pos="0"]::after { opacity: 1; }
.gf-cover[data-pos="0"] .gf-cover__glare { opacity: 1; }
.gf-cover[data-pos="1"] { z-index: 3; transform: translate3d(42%, 2%, -200px) rotateY(-26deg); filter: brightness(0.82) saturate(0.7); }
.gf-cover[data-pos="2"] { z-index: 2; transform: translate3d(76%, 4%, -400px) rotateY(-34deg); filter: brightness(0.66) saturate(0.4); opacity: 0.85; }
.gf-cover[data-pos="3"] { z-index: 1; transform: translate3d(104%, 6%, -600px) rotateY(-40deg); filter: brightness(0.55) saturate(0.2); opacity: 0.5; }
.gf-cover:not([data-pos="0"]):hover { filter: brightness(0.95) saturate(0.9); }
/* the front cover is dealt off to the left, then slides in at the back */
.gf-cover.is-leaving { z-index: 6 !important; transform: translate3d(-95%, -6%, 220px) rotateY(55deg) rotateZ(-6deg) !important; opacity: 0 !important; transition: transform 0.6s cubic-bezier(0.6, 0, 0.8, 0.3), opacity 0.55s ease 0.05s; }
.gf-cover.is-reset { transition: none !important; }
.gf-blog__stage.is-tilting .gf-cover[data-pos="0"] { transition: transform 0.15s linear, opacity 0.7s, filter 0.7s; }
.gf-cover[data-pos="0"]:hover img { transform: scale(1.04); }

/* ----------------------------------------------------------- responsive */
@media (max-width: 991px) {
  .gf-blog__grid { grid-template-columns: 1fr; }
  .gf-blog__stage { order: -1; height: clamp(380px, 70vw, 520px); margin-bottom: 30px; }
  .gf-cover { width: min(56%, 360px); }
}
@media (max-width: 560px) {
  .gf-blog__stage { height: 120vw; }
  .gf-cover { width: 62%; -webkit-box-reflect: unset; }
  .gf-cover__no { font-size: 46px; }
  .gf-cover[data-pos="1"] { transform: translate3d(30%, 2%, -160px) rotateY(-22deg); }
  .gf-cover[data-pos="2"] { transform: translate3d(48%, 4%, -320px) rotateY(-28deg); }
  .gf-cover[data-pos="3"] { transform: translate3d(60%, 6%, -480px) rotateY(-32deg); }
  .gf-blog__specs li { padding: 0 12px; }
  .gf-blog__specs b { font-size: 19px; }
  .gf-blog__progress { min-width: 90px; }
}
@media (prefers-reduced-motion: reduce) {
  .gf-cover, .gf-blog__article { transition: opacity 0.2s !important; }
  .gf-cover.is-leaving { transform: none !important; }
}
/* phones: stage only as tall as the covers */
@media (max-width: 560px) {
  .gf-blog__stage { height: calc(62vw * 4 / 3 + 20px); margin-bottom: 24px; }
}
@media (min-width: 561px) and (max-width: 991px) {
  .gf-blog__stage { height: calc(min(56vw, 360px) * 4 / 3 + 40px); }
}