/* B&L ENGENHARIA — Página Tecnologia BIM
   Builds on tokens.css + styles/site.css. Prefix: .bimp-  */

/* ── Shared dark grid texture ──────────────────────────── */
.bimp-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.045) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}

/* ── HERO ──────────────────────────────────────────────── */
.bimp-hero {
  position: relative;
  background: var(--bl-ink);
  color: var(--bl-paper);
  padding: 168px 0 96px;
  overflow: hidden;
}
.bimp-hero .bimp-grid {
  mask-image: radial-gradient(ellipse at 80% 24%, black 18%, transparent 76%);
  -webkit-mask-image: radial-gradient(ellipse at 80% 24%, black 18%, transparent 76%);
}
.bimp-hero-inner { position: relative; z-index: 1; }
.bimp-hero .eyebrow { color: var(--bl-cyan); }
.bimp-hero-title {
  font-family: var(--ff-display);
  font-size: clamp(46px, 6.6vw, 104px);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 0.95;
  margin: 22px 0 0;
}
.bimp-hero-title .italic { font-family: var(--ff-serif); font-style: italic; font-weight: 400; color: var(--bl-cyan); }
.bimp-hero-lead {
  margin: 30px 0 0;
  font-size: clamp(16px, 1.5vw, 20px);
  line-height: 1.55;
  color: rgba(255,255,255,0.8);
  max-width: 58ch;
  text-wrap: pretty;
}
.bimp-hero-meta {
  display: flex;
  gap: 56px;
  flex-wrap: wrap;
  margin-top: 52px;
  padding-top: 30px;
  border-top: 1px solid rgba(255,255,255,0.14);
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
}
.bimp-hero-meta .num {
  display: block;
  font-family: var(--ff-display);
  font-size: 34px;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--bl-paper);
  margin-bottom: 6px;
}

/* ── GENERIC SECTION ───────────────────────────────────── */
.bimp-sec { padding: 120px 0; }
.bimp-sec.paper { background: var(--bl-paper); }
.bimp-sec.bone  { background: var(--bl-bone); }
.bimp-sec.ink   { background: var(--bl-ink); color: var(--bl-paper); position: relative; overflow: hidden; }

.bimp-sec-head { max-width: 760px; }
.bimp-sec-head h2 {
  font-family: var(--ff-display);
  font-size: clamp(34px, 4.4vw, 64px);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.02;
  margin: 18px 0 0;
}
.bimp-sec-head h2 .italic { font-family: var(--ff-serif); font-style: italic; font-weight: 400; color: var(--bl-blue); }
.bimp-sec.ink .bimp-sec-head h2 .italic { color: var(--bl-cyan); }
.bimp-sec.ink .eyebrow { color: var(--bl-cyan); }
.bimp-sec-head p {
  margin: 24px 0 0;
  font-size: clamp(16px, 1.5vw, 19px);
  line-height: 1.6;
  color: var(--bl-graphite);
  max-width: 56ch;
  text-wrap: pretty;
}
.bimp-sec.ink .bimp-sec-head p { color: rgba(255,255,255,0.78); }

/* ── DEFINITION — B I M acronym ────────────────────────── */
.bimp-acro {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 64px;
  background: var(--bl-line);
  border: 1px solid var(--bl-line);
}
.bimp-acro-cell {
  background: var(--bl-paper);
  padding: 40px 36px 44px;
}
.bimp-acro-cell .glyph {
  font-family: var(--ff-display);
  font-size: 72px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--bl-blue);
}
.bimp-acro-cell .word {
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--bl-ink);
  margin-top: 16px;
}
.bimp-acro-cell .desc {
  margin: 14px 0 0;
  font-size: 15.5px;
  line-height: 1.55;
  color: var(--bl-graphite);
  text-wrap: pretty;
}

/* ── MÉTODO — numbered process ─────────────────────────── */
.bimp-steps {
  margin-top: 64px;
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(255,255,255,0.16);
}
.bimp-step {
  display: grid;
  grid-template-columns: 100px 300px 1fr;
  gap: 40px;
  align-items: baseline;
  padding: 34px 0;
  border-bottom: 1px solid rgba(255,255,255,0.16);
}
.bimp-step .idx {
  font-family: var(--ff-mono);
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--bl-cyan);
}
.bimp-step .name {
  font-family: var(--ff-display);
  font-size: clamp(22px, 2.2vw, 30px);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.05;
}
.bimp-step .name .italic { font-family: var(--ff-serif); font-style: italic; font-weight: 400; color: var(--bl-cyan); }
.bimp-step .body {
  font-size: 16px;
  line-height: 1.6;
  color: rgba(255,255,255,0.74);
  text-wrap: pretty;
  max-width: 56ch;
}

/* ── ANTES / DEPOIS split ──────────────────────────────── */
.bimp-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin-top: 0;
  border: 1px solid var(--bl-line);
}
.bimp-compare-cell { padding: 64px 56px; display: flex; flex-direction: column; }
.bimp-compare-cell.trad { background: var(--bl-paper); }
.bimp-compare-cell.bim {
  background: var(--bl-ink);
  color: var(--bl-paper);
  position: relative;
  overflow: hidden;
}
.bimp-compare-cell.bim .bimp-grid {
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at 70% 40%, black 30%, transparent 85%);
  -webkit-mask-image: radial-gradient(ellipse at 70% 40%, black 30%, transparent 85%);
}
.bimp-compare-cell .tag {
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--bl-mute);
  position: relative; z-index: 1;
}
.bimp-compare-cell.bim .tag { color: var(--bl-cyan); }
.bimp-compare-cell .big {
  font-family: var(--ff-display);
  font-size: clamp(26px, 2.8vw, 38px);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.04;
  margin: 20px 0 0;
  position: relative; z-index: 1;
}
.bimp-compare-cell .big .italic { font-family: var(--ff-serif); font-style: italic; font-weight: 400; color: var(--bl-cyan); }
.bimp-compare-cell .small {
  margin: 20px 0 0;
  font-size: 16px;
  line-height: 1.55;
  color: var(--bl-graphite);
  max-width: 42ch;
  position: relative; z-index: 1;
}
.bimp-compare-cell.bim .small { color: rgba(255,255,255,0.76); }

/* ── DIMENSÕES ─────────────────────────────────────────── */
.bimp-dims {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 56px;
}
.bimp-dim {
  border-top: 2px solid var(--bl-ink);
  padding-top: 22px;
}
.bimp-dim .d {
  font-family: var(--ff-display);
  font-size: 30px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--bl-blue);
}
.bimp-dim .t {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--bl-ink);
  margin-top: 12px;
}
.bimp-dim p {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--bl-graphite);
  text-wrap: pretty;
}

/* ── MODEL section ─────────────────────────────────────── */
.bimp-model-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 64px;
  align-items: start;
  margin-top: 48px;
}
.bimp-model-text .lead {
  font-size: clamp(16px, 1.5vw, 19px);
  line-height: 1.6;
  color: rgba(255,255,255,0.8);
  margin: 0;
  max-width: 46ch;
  text-wrap: pretty;
}
.bimp-model-discs {
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(255,255,255,0.16);
}
.bimp-model-disc {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255,255,255,0.16);
}
.bimp-model-disc .k {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--bl-cyan);
  min-width: 130px;
  flex-shrink: 0;
}
.bimp-model-disc .v { font-size: 16px; color: rgba(255,255,255,0.86); line-height: 1.4; }
.bimp-formats {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 32px;
}
.bimp-format {
  font-family: var(--ff-mono);
  font-size: 13px;
  letter-spacing: .14em;
  border: 1px solid rgba(255,255,255,0.28);
  padding: 11px 18px;
  color: var(--bl-paper);
}
.bimp-format span { color: var(--bl-cyan); }

/* Model video — full-width cinematic band, real 2546×990 ratio */
.bimp-model-band {
  position: relative;
  margin: 48px 0 0;
  width: 100%;
  aspect-ratio: 2546 / 990;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.18);
  background:
    radial-gradient(120% 120% at 70% 30%, oklch(28% 0.06 245 / .5), transparent 60%),
    linear-gradient(135deg, oklch(20% 0.05 240), oklch(15% 0.03 240));
}
.bimp-model-band video {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.bimp-model-band .label {
  position: absolute; z-index: 2;
  font-family: var(--ff-mono); font-size: 10px; letter-spacing: .14em;
  text-transform: uppercase; color: var(--bl-cyan);
  background: rgba(10,18,32,0.5);
  backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
  padding: 5px 9px;
}
.bimp-model-band .label.tl { top: 16px; left: 16px; }
.bimp-model-band .label.tr { top: 16px; right: 16px; }
.bimp-model-band .label.bl { bottom: 16px; left: 16px; color: rgba(255,255,255,0.7); }
.bimp-model-band .label.br { bottom: 16px; right: 16px; color: rgba(255,255,255,0.7); }
.bimp-model-band .corner {
  position: absolute; z-index: 2; width: 12px; height: 12px;
}

/* Method-vs-platform callout */
.bimp-vs {
  display: flex;
  align-items: stretch;
  gap: 0;
  margin-top: 64px;
  border: 1px solid rgba(255,255,255,0.16);
}
.bimp-vs-cell { flex: 1; padding: 36px 40px; }
.bimp-vs-cell + .bimp-vs-cell { border-left: 1px solid rgba(255,255,255,0.16); }
.bimp-vs-cell .lab { font-family: var(--ff-mono); font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--bl-cyan); }
.bimp-vs-cell .head { font-family: var(--ff-display); font-size: clamp(24px, 2.4vw, 32px); font-weight: 500; letter-spacing: -0.02em; margin-top: 14px; }
.bimp-vs-cell .head .italic { font-family: var(--ff-serif); font-style: italic; font-weight: 400; color: var(--bl-cyan); }
.bimp-vs-cell p { margin: 14px 0 0; font-size: 15.5px; line-height: 1.55; color: rgba(255,255,255,0.74); text-wrap: pretty; }

/* ── GANHOS ────────────────────────────────────────────── */
.bimp-gains {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--bl-line);
  border: 1px solid var(--bl-line);
}
.bimp-gain {
  background: var(--bl-paper);
  padding: 36px 36px 40px;
}
.bimp-gain .n {
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--bl-mute);
}
.bimp-gain h3 {
  font-family: var(--ff-display);
  font-size: clamp(22px, 2.2vw, 28px);
  font-weight: 500;
  letter-spacing: -0.02em;
  margin: 16px 0 0;
}
.bimp-gain p {
  margin: 10px 0 0;
  font-size: 15.5px;
  line-height: 1.55;
  color: var(--bl-graphite);
  text-wrap: pretty;
}

/* ── CTA ───────────────────────────────────────────────── */
.bimp-cta {
  position: relative;
  background: var(--bl-deep);
  color: var(--bl-paper);
  padding: 110px 0;
  overflow: hidden;
}
.bimp-cta-inner { position: relative; z-index: 1; text-align: center; display: flex; flex-direction: column; align-items: center; }
.bimp-cta h2 {
  font-family: var(--ff-display);
  font-size: clamp(34px, 4.6vw, 64px);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.02;
  margin: 18px 0 0;
  max-width: 18ch;
}
.bimp-cta h2 .italic { font-family: var(--ff-serif); font-style: italic; font-weight: 400; color: var(--bl-cyan); }
.bimp-cta p { margin: 22px 0 36px; font-size: 18px; line-height: 1.55; color: rgba(255,255,255,0.8); max-width: 48ch; }

/* ── RESPONSIVE ────────────────────────────────────────── */
@media (max-width: 1024px) {
  .bimp-model-grid { grid-template-columns: 1fr; gap: 48px; }
  .bimp-step { grid-template-columns: 70px 1fr; gap: 12px 28px; }
  .bimp-step .body { grid-column: 2; }
}
@media (max-width: 860px) {
  .bimp-acro { grid-template-columns: 1fr; }
  .bimp-dims { grid-template-columns: 1fr 1fr; }
  .bimp-compare { grid-template-columns: 1fr; }
  .bimp-gains { grid-template-columns: 1fr; }
  .bimp-vs { flex-direction: column; }
  .bimp-vs-cell + .bimp-vs-cell { border-left: none; border-top: 1px solid rgba(255,255,255,0.16); }
}
@media (max-width: 640px) {
  .bimp-hero { padding: 132px 0 72px; }
  .bimp-sec { padding: 80px 0; }
  .bimp-hero-meta { gap: 32px; }
  .bimp-dims { grid-template-columns: 1fr; }
  .bimp-compare-cell { padding: 44px 32px; }
}