/* ============================================================
   SOBRE · Milano Engenharia
   Page-specific styles only. Shared header/footer/eyebrow lives
   in css/shared.css.
   ============================================================ */

/* TODO marker used in copy that's pending client confirmation */
.todo {
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 0.85em;
  color: var(--signal-600);
  background: var(--signal-100);
  padding: 0 6px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ============================================================
   2 · STORY (copy + photo)
   ============================================================ */
.story-section {
  background: var(--bg-canvas);
  padding: clamp(80px, 12vh, 140px) 0;
}
.story-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-20);
  align-items: start;
}
@media (max-width: 900px) {
  .story-grid { grid-template-columns: 1fr; gap: var(--sp-12); }
}

.story-copy .section-h2 {
  margin-bottom: var(--sp-8);
}
.story-lead {
  font-size: clamp(17px, 1.3vw, 19px);
  line-height: 1.6;
  color: var(--text-primary);
  margin: 0 0 var(--sp-5);
  max-width: 52ch;
  text-wrap: pretty;
}
.story-body {
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-secondary);
  margin: 0 0 var(--sp-8);
  max-width: 52ch;
  text-wrap: pretty;
}
.story-cta {
  align-self: flex-start;
}

.story-media {
  position: sticky;
  top: 120px;
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}
@media (max-width: 900px) {
  .story-media { position: static; }
}
.story-photo {
  position: relative;
  aspect-ratio: 4 / 5;
  background:
    linear-gradient(135deg, var(--ink-100) 0%, var(--ink-200) 100%);
  border: 1px solid var(--border-subtle);
  display: grid;
  place-items: center;
  overflow: hidden;
}
.story-photo::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--ink-300) 1px, transparent 1px),
    linear-gradient(90deg, var(--ink-300) 1px, transparent 1px);
  background-size: 32px 32px;
  opacity: 0.25;
  pointer-events: none;
}
.story-photo-tag {
  position: relative;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  text-align: center;
  padding: var(--sp-3) var(--sp-5);
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
}
.story-caption {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin: 0;
}

/* ============================================================
   3 · TIMELINE
   ============================================================ */
.timeline-section {
  background: var(--ink-100);
  padding: clamp(80px, 12vh, 140px) 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}
.timeline {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border-subtle);
  border: 1px solid var(--border-subtle);
}
@media (max-width: 760px) {
  .timeline { grid-template-columns: 1fr; }
}
.timeline-item {
  position: relative;
  background: var(--bg-surface);
  padding: var(--sp-10) var(--sp-8) var(--sp-10);
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
}
.timeline-item.is-current {
  background: var(--ink-900);
  color: var(--ink-0);
}

.timeline-marker {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  padding-bottom: var(--sp-5);
  border-bottom: 1px solid var(--border-subtle);
}
.timeline-item.is-current .timeline-marker {
  border-bottom-color: var(--ink-700);
}
.timeline-year {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(36px, 4vw, 48px);
  line-height: 1;
  letter-spacing: -0.025em;
  color: var(--text-primary);
}
.timeline-item.is-current .timeline-year {
  color: var(--ink-0);
}
.timeline-dot {
  width: 14px;
  height: 14px;
  background: var(--border-default);
  display: inline-block;
}
.timeline-dot.is-current {
  background: var(--signal-500);
  box-shadow: 0 0 0 4px rgba(31, 92, 168, 0.18);
}
.timeline-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 20px;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 0;
  text-wrap: balance;
  text-transform: none;
}
.timeline-item.is-current .timeline-title { color: var(--ink-0); }
.timeline-desc {
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-secondary);
  margin: 0;
  max-width: 42ch;
  text-wrap: pretty;
}
.timeline-item.is-current .timeline-desc { color: var(--ink-200); }

/* ============================================================
   4 · ESTRUTURA
   ============================================================ */
.structure-section {
  background: var(--bg-canvas);
  padding: clamp(80px, 12vh, 140px) 0;
}
.structure-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border-subtle);
  border: 1px solid var(--border-subtle);
}
@media (max-width: 900px) {
  .structure-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 540px) {
  .structure-grid { grid-template-columns: 1fr; }
}

.structure-card {
  position: relative;
  background: var(--bg-surface);
  padding: var(--sp-8);
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
  transition: background var(--dur-base) var(--ease-out),
              color var(--dur-base) var(--ease-out);
}
.structure-card:hover {
  background: var(--ink-900);
  color: var(--ink-0);
}
.structure-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
}
.structure-icon {
  color: var(--signal-600);
  width: 40px; height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-default);
  flex-shrink: 0;
  transition: color var(--dur-base) var(--ease-out),
              border-color var(--dur-base) var(--ease-out);
}
.structure-card:hover .structure-icon {
  color: var(--signal-400);
  border-color: var(--ink-700);
}
.structure-index {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.22em;
  color: var(--text-tertiary);
  line-height: 1;
}
.structure-card:hover .structure-index {
  color: var(--ink-400);
}
.structure-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 22px;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0;
  text-transform: none;
}
.structure-desc {
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-secondary);
  margin: 0;
}
.structure-card:hover .structure-desc { color: var(--ink-200); }

/* ============================================================
   5 · MINI-CTA
   ============================================================ */
.mini-cta {
  background: var(--ink-900);
  color: var(--ink-0);
  padding: clamp(72px, 10vh, 112px) 0;
  position: relative;
  overflow: hidden;
}
.mini-cta::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--ink-800) 1px, transparent 1px),
    linear-gradient(90deg, var(--ink-800) 1px, transparent 1px);
  background-size: 56px 56px;
  opacity: 0.4;
  mask-image: radial-gradient(ellipse at 80% 50%, black 0%, transparent 65%);
  -webkit-mask-image: radial-gradient(ellipse at 80% 50%, black 0%, transparent 65%);
  pointer-events: none;
}
.mini-cta .container { position: relative; }

.mini-cta-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--sp-12);
  flex-wrap: wrap;
}
.mini-cta-copy {
  flex: 1 1 0;
  min-width: 0;
  max-width: 60ch;
}
@media (max-width: 900px) {
  .mini-cta-inner { flex-direction: column; align-items: flex-start; gap: var(--sp-8); }
  .mini-cta-copy { max-width: none; }
}

.mini-cta-copy .eyebrow { color: var(--ink-300); }
.mini-cta-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 3.4vw, 44px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 var(--sp-4);
  color: var(--ink-0);
  text-wrap: balance;
  text-transform: none;
}
.mini-cta-desc {
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink-200);
  margin: 0;
  max-width: 50ch;
  text-wrap: pretty;
}
.mini-cta-actions {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--sp-3);
}
@media (max-width: 900px) {
  .mini-cta-actions { align-items: flex-start; }
}
@media (max-width: 540px) {
  .mini-cta-actions { width: 100%; }
  .mini-cta-actions .btn { width: 100%; justify-content: center; }
}