/* ============================================
   SEÇÃO 02 — SOBRE A D.T SAFETY ENGINEERING
   ============================================ */

.about {
  position: relative;
  padding-top: var(--section-padding-top);
  padding-bottom: var(--section-padding-bottom);
  background: var(--gradient-about);
  overflow: hidden;
}

/* Background layers */
.about__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.about__bg-mesh {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 40% at 15% 60%, rgba(0,168,107,0.07) 0%, transparent 60%),
    radial-gradient(ellipse 40% 35% at 85% 25%, rgba(0,168,107,0.05) 0%, transparent 55%);
}

.about__bg-lines {
  position: absolute;
  inset: 0;
  opacity: 0.03;
  background-image:
    linear-gradient(90deg, var(--color-green) 1px, transparent 1px),
    linear-gradient(0deg, var(--color-green) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(180deg, transparent, black 20%, black 80%, transparent);
}

.about__bg-blur {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  transition: opacity 1.4s var(--ease-out);
}

.about__bg-blur.is-visible { opacity: 1; }

.about__bg-blur--1 {
  top: 5%;
  left: -8%;
  width: 500px;
  height: 500px;
  background: rgba(0, 168, 107, 0.08);
}

.about__bg-blur--2 {
  bottom: 10%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: rgba(0, 168, 107, 0.05);
}

/* Decorative */
.about__decor {
  position: absolute;
  pointer-events: none;
  z-index: 1;
}

.about__decor-line {
  stroke: var(--color-green);
  stroke-width: 1;
  fill: none;
  stroke-dasharray: 300;
  stroke-dashoffset: 300;
  opacity: 0.1;
  transition: stroke-dashoffset 2.5s var(--ease-out);
}

.about__decor-line.is-visible {
  opacity: 0.1;
  stroke-dashoffset: 0;
}

.about__decor-hex {
  position: absolute;
  opacity: 0.07;
  transition: opacity 1.2s var(--ease-out) 0.6s;
}

.about__decor-hex.is-visible { opacity: 0.07; }

.about__decor-hex svg {
  width: 100%;
  height: 100%;
  stroke: var(--color-green);
  stroke-width: 1;
  fill: none;
}

.about__decor-hex--1 { top: 15%; right: 10%; width: 56px; height: 56px; }
.about__decor-hex--2 { bottom: 22%; left: 6%; width: 36px; height: 36px; }

.about__cad-svg {
  position: absolute;
  top: 10%;
  left: 4%;
  width: 240px;
  height: 140px;
}

/* Container */
.about .container {
  position: relative;
  z-index: 2;
}

.about__grid {
  display: grid;
  grid-template-columns: 52fr 48fr;
  gap: 80px;
  align-items: center;
}

/* Imagem editorial premium */
.about__image-wrapper {
  position: relative;
  transition: transform 0.15s linear;
  will-change: transform;
}

.about__image-glow {
  position: absolute;
  inset: -20px;
  border-radius: calc(var(--radius-lg) + 20px);
  background: radial-gradient(ellipse at center, rgba(0,168,107,0.15) 0%, transparent 70%);
  filter: blur(30px);
  z-index: 0;
}

.about__image-frame {
  position: relative;
  z-index: 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 5;
  max-height: 760px;
  box-shadow: var(--shadow-float);
}

.about__image-frame::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  padding: 2px;
  background: var(--gradient-image-ring);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  z-index: 3;
  pointer-events: none;
}

.about__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 15%;
  transform: scale(1.02);
  transition: transform 8s var(--ease-out);
}

.about__image-wrapper:hover .about__image {
  transform: scale(1.06);
}

.about__image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(255,255,255,0.05) 0%,
    transparent 50%,
    rgba(0,168,107,0.06) 100%
  );
  z-index: 2;
  pointer-events: none;
}

/* Floating elements */
.about__float {
  position: absolute;
  z-index: 10;
}

.about__float--chart {
  top: 6%;
  right: -6%;
  width: 148px;
  padding: 18px;
}

.about__float--chart.is-visible {
  animation: floatCard 7s ease-in-out infinite;
}

.about__float--chart svg { width: 100%; height: auto; }

.about__float--indicator {
  bottom: 22%;
  left: -8%;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 20px;
}

.about__float--indicator.is-visible {
  animation: floatCard 8s ease-in-out infinite -3s;
}

.about__float-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-green);
  box-shadow: 0 0 12px var(--color-green-glow);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0,168,107,0.5); }
  50% { box-shadow: 0 0 0 8px rgba(0,168,107,0); }
}

.about__float-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-graphite);
}

.about__float--metric {
  bottom: 6%;
  right: -4%;
  padding: 16px 20px;
}

.about__float--metric.is-visible {
  animation: floatCard 6s ease-in-out infinite -1.5s;
}

.about__float-metric-value {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 24px;
  color: var(--color-black);
  letter-spacing: -0.02em;
}

.about__float-metric-value span { color: var(--color-green); }

.about__float-metric-label {
  font-size: 11px;
  color: var(--color-gray);
  margin-top: 2px;
}

/* Conteúdo */
.about__content {
  padding-left: 8px;
}

.about__badge { margin-bottom: 28px; }

.about__headline {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(1.625rem, 2.4vw, 2.5rem);
  line-height: 1.18;
  letter-spacing: -0.025em;
  color: var(--color-black);
  margin-bottom: 24px;
  max-width: 580px;
}

.about__text {
  font-size: 17px;
  line-height: 1.8;
  color: var(--color-graphite);
  max-width: 580px;
  margin-bottom: 40px;
}

.about__text p + p { margin-top: 14px; }

/* Pillars strip */
.about__pillars {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 44px;
}

.about__pillar {
  padding: 8px 16px;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-graphite);
  background: linear-gradient(135deg, rgba(255,255,255,0.9) 0%, rgba(249,250,251,0.8) 100%);
  border: 1px solid rgba(0,168,107,0.12);
  border-radius: 100px;
  transition: border-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
}

.about__pillar:hover {
  border-color: var(--color-green);
  color: var(--color-green-dark);
  box-shadow: var(--shadow-xs);
}

/* Cards */
.about__cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.about__card {
  position: relative;
  padding: 28px 24px;
  background: var(--gradient-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(0,168,107,0.12);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast),
    border-color var(--transition-fast),
    background var(--transition-fast);
}

.about__card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-green);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.about__card:hover {
  transform: translateY(-6px) scale(1.02);
  background: var(--gradient-card-hover);
  box-shadow: var(--shadow-glow), var(--shadow-card);
  border-color: rgba(0,168,107,0.28);
}

.about__card:hover::before { opacity: 1; }

.about__card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 18px;
}

.about__card-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: var(--gradient-green-soft);
  color: var(--color-green);
  transition: transform var(--transition-fast);
}

.about__card:hover .about__card-icon {
  transform: rotate(6deg) scale(1.05);
}

.about__card-icon svg {
  width: 22px;
  height: 22px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
}

.about__card-number {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 32px;
  line-height: 1;
  background: linear-gradient(180deg, rgba(0,168,107,0.25) 0%, rgba(0,168,107,0.08) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about__card-title {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 16px;
  color: var(--color-black);
  margin-bottom: 8px;
}

.about__card-desc {
  font-size: 14px;
  line-height: 1.65;
  color: var(--color-gray);
}

/* Responsive */
@media (max-width: 1200px) {
  .about__grid { gap: 56px; }
}

@media (max-width: 1024px) {
  .about__grid {
    grid-template-columns: 1fr;
    gap: 56px;
  }

  .about__content { padding-left: 0; order: 2; }
  .about__image-wrapper { order: 1; max-width: 540px; margin: 0 auto; }
  .about__pillars { justify-content: center; }
  .about__float--chart { right: 2%; }
  .about__float--indicator { left: 2%; }
  .about__float--metric { right: 2%; }
}

@media (max-width: 768px) {
  .about__cards { grid-template-columns: 1fr; }
  .about__card { padding: 24px 20px; }
}

@media (prefers-reduced-motion: reduce) {
  .reveal-left, .reveal-right, .about__card, .about__float, .about__decor-line, .about__bg-blur {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
    stroke-dashoffset: 0 !important;
    animation: none !important;
  }
  .about__image { transform: none !important; }
}