/* About page. Loads after style.css (header) and before footer.css. */
.ab {
  --ab-ink: #111114;
  --ab-text: #3a3a40;
  --ab-muted: #5f5f66;
  --ab-line: #ecebe8;
  --ab-orange: #ff7b00;
  --ab-orange-soft: #ffb673;
  --ab-orange-text: #c2410c;
  --ab-grad: linear-gradient(90deg, #c2410c, #e86a00); /* readable at display sizes (3.2:1 and up) */
  --ab-wrap: 1120px;
  --ab-gutter: clamp(16px, 4vw, 40px);
  color: var(--ab-text);
  font-family: 'Geist', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}
.ab-wrap { width: 100%; max-width: var(--ab-wrap); margin: 0 auto; padding: 0 var(--ab-gutter); }
.ab h1, .ab h2, .ab h3 { color: var(--ab-ink); margin: 0; }
.ab p { margin: 0; }
.ab-label { font-size: 12px; font-weight: 600; letter-spacing: 0.08em; color: var(--ab-orange-text); }
.ab-big { font-weight: 600; text-transform: uppercase; letter-spacing: -0.035em; line-height: 1.02; }
.ab-grad { background: var(--ab-grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.ab-btn { display: inline-flex; align-items: center; gap: 10px; min-height: 48px; padding: 0 22px; border-radius: 12px; background: var(--ab-orange); color: var(--ab-ink); font-weight: 600; font-size: 15px; text-decoration: none; transition: background .18s, transform .18s; }
.ab-btn:hover { background: #ff8d24; color: var(--ab-ink); }
.ab-btn svg { width: 16px; height: 16px; }
.ab :focus-visible { outline: 2px solid var(--ab-ink); outline-offset: 3px; border-radius: 8px; }

/* 1 · Hero */
.ab-hero { padding: clamp(48px, 8vw, 104px) 0 clamp(56px, 8vw, 96px); }
.ab-hero .ab-wrap { display: grid; gap: 48px; align-items: center; }
@media (min-width: 900px) { .ab-hero .ab-wrap { grid-template-columns: 1fr 1fr; gap: 64px; } }
.ab-hero h1 { margin-top: 14px; font-size: clamp(2.2rem, 5vw, 3.6rem); }
.ab-hero .lede { margin-top: 20px; font-size: clamp(1.02rem, 1.4vw, 1.15rem); line-height: 1.65; max-width: 46ch; color: var(--ab-muted); }
.ab-hero .ab-btn { margin-top: 30px; }
.ab-collage { display: grid; grid-template-columns: 1.45fr 1fr; grid-template-rows: 1fr 1fr; gap: 14px; aspect-ratio: 1.45 / 1; }
.ab-tile { border-radius: 22px; overflow: hidden; position: relative; display: grid; place-items: center; box-shadow: 0 24px 50px -28px rgba(17,17,20,.45); }
.ab-tile.t1 { grid-row: 1 / 3; background: var(--ab-orange); transform: rotate(-1.2deg); }
.ab-tile.t1 svg { width: 62%; height: auto; color: #fff; }
.ab-tile.t1 .wm { position: absolute; left: 22px; bottom: 18px; font-size: clamp(1.1rem, 2vw, 1.5rem); letter-spacing: -0.035em; }
.ab-tile.t1 .wm .arc { color: #fff; font-weight: 600; } .ab-tile.t1 .wm .vale { color: #ffd7b3; }
.ab-tile.t2 { background: #14110e; transform: rotate(1.2deg); }
.ab-tile.t3 { background: #fff4ea; transform: rotate(-.6deg); }
.ab-tile img { width: 46%; height: auto; border-radius: 24%; box-shadow: 0 12px 28px -12px rgba(0,0,0,.5); }

/* 2 · Who we are (framed box) */
.ab-who { padding: clamp(24px, 4vw, 40px) 0; }
.ab-frame { position: relative; border-radius: 22px; padding: 2px; background: linear-gradient(135deg, #ff7b00, #ffd7b3 55%, #ff7b00); }
.ab-frame-in { background: #fff; border-radius: 20px; padding: 14px; }
.ab-frame-box { border: 1px solid var(--ab-line); border-radius: 14px; padding: clamp(32px, 5vw, 56px) clamp(20px, 5vw, 72px); text-align: center; }
.ab-frame .ab-label { position: absolute; top: -8px; left: 50%; transform: translateX(-50%); background: #fff; padding: 0 14px; line-height: 16px; }
.ab-who h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); }
.ab-who p { margin: 18px auto 0; max-width: 62ch; line-height: 1.7; color: var(--ab-muted); }
.ab-who p.belief { color: var(--ab-ink); font-weight: 600; }
.ab-who .rule { display: block; width: 52px; height: 3px; border-radius: 2px; margin: 26px auto 0; background: var(--ab-orange); }

/* 3 · What makes arcvale different */
.ab-why { padding: clamp(56px, 8vw, 96px) 0; }
.ab-why h2 { margin-top: 12px; font-size: clamp(1.8rem, 4.2vw, 2.8rem); }
.ab-why .sub { margin-top: 12px; color: var(--ab-muted); }
.ab-why-grid { display: grid; gap: 32px; margin-top: 36px; align-items: stretch; }
@media (min-width: 900px) { .ab-why-grid { grid-template-columns: 1fr 1.1fr; gap: 48px; } }
.ab-visual { position: relative; border-radius: 22px; background: #14110e; color: #f5f1ea; padding: clamp(28px, 4vw, 44px); min-height: 360px; overflow: hidden; display: flex; flex-direction: column; justify-content: flex-end; }
.ab-visual svg { position: absolute; top: 9%; right: -8%; width: 72%; height: auto; color: var(--ab-orange); filter: drop-shadow(0 0 40px rgba(255,123,0,.35)); }
.ab-visual ul { position: relative; list-style: none; margin: 0; padding: 0; }
.ab-visual li { font-size: clamp(2rem, 4.6vw, 3.2rem); font-weight: 600; letter-spacing: -0.04em; line-height: 1.05; }
.ab-visual li span { color: var(--ab-orange); }
.ab-points { list-style: none; margin: 0; padding: 0; }
.ab-points li { padding: 16px 0; border-bottom: 1px solid var(--ab-line); }
.ab-points li:first-child { padding-top: 4px; }
.ab-points li:last-child { border-bottom: 0; }
.ab-points h3 { font-size: 17px; font-weight: 600; }
.ab-points p { margin-top: 6px; color: var(--ab-muted); line-height: 1.6; font-size: 15.5px; }

/* 4 · Closing call */
.ab-cta { padding: clamp(40px, 6vw, 72px) 0 clamp(24px, 4vw, 40px); text-align: center; }
.ab-cta h2 { font-size: clamp(1.8rem, 4.4vw, 3rem); }
.ab-cta .ab-btn { margin-top: 26px; }

/* 5 · Wide band: the wordmark fading into the page, in place of a photo */
.ab-band { position: relative; height: clamp(110px, 22vw, 300px); overflow: hidden; }
.ab-band .wm { position: absolute; left: 50%; bottom: -0.22em; transform: translateX(-50%); font-size: min(26vw, 23rem); letter-spacing: -0.06em; line-height: 1; white-space: nowrap; -webkit-mask-image: linear-gradient(to bottom, #000 30%, transparent 92%); mask-image: linear-gradient(to bottom, #000 30%, transparent 92%); }
.ab-band .arc { color: var(--ab-orange); font-weight: 600; } .ab-band .vale { color: var(--ab-orange-soft); }

@media (prefers-reduced-motion: reduce) { .ab-btn { transition: none; } }