/* ============================================
   KWT Labs — About Page Styles
   ============================================ */

.section--soft { background: var(--gray-50); }

.about-hero {
  padding-top: calc(var(--header-h) + 56px);
  padding-bottom: 80px;
  background:
    radial-gradient(ellipse 70% 60% at 80% 10%, rgba(15, 111, 255, 0.14) 0%, transparent 55%),
    radial-gradient(ellipse 50% 40% at 10% 90%, rgba(255, 61, 61, 0.07) 0%, transparent 50%),
    linear-gradient(180deg, #eef4ff 0%, var(--white) 100%);
}

.about-hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.about-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 20px;
}

.about-hero__desc {
  font-size: 1.05rem;
  color: var(--gray-500);
  line-height: 1.75;
  margin-bottom: 32px;
  max-width: 540px;
}

.about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* Illustration cluster */
.about-illus {
  position: relative;
  min-height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-illus__center {
  width: 200px;
  height: 200px;
  background: linear-gradient(135deg, var(--primary), #0847a8);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow);
  position: relative;
  z-index: 2;
}

.about-illus__center img {
  width: 140px;
  height: auto;
  object-fit: contain;
}

.about-illus__orb {
  position: absolute;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 14px 18px;
  box-shadow: var(--shadow-md);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--dark);
  display: flex;
  align-items: center;
  gap: 8px;
  animation: aboutFloat 5s ease-in-out infinite;
}

.about-illus__orb .icon { width: 20px; height: 20px; color: var(--primary); }

.about-illus__orb--1 { top: 20px; left: 0; animation-delay: 0s; }
.about-illus__orb--2 { top: 40px; right: 0; animation-delay: -1.2s; }
.about-illus__orb--3 { bottom: 80px; left: -10px; animation-delay: -2.4s; }
.about-illus__orb--4 { bottom: 60px; right: -10px; animation-delay: -3.6s; }
.about-illus__orb--5 { bottom: 10px; left: 50%; transform: translateX(-50%); animation-delay: -4.8s; }

@keyframes aboutFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.about-illus__orb--5 {
  animation-name: aboutFloatCenter;
}

@keyframes aboutFloatCenter {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(-8px); }
}

/* Who We Are */
.about-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.about-split__visual {
  background: linear-gradient(135deg, var(--primary-light), var(--gray-100));
  border-radius: var(--radius-xl);
  min-height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--gray-200);
  position: relative;
  overflow: hidden;
}

.about-split__visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(15,111,255,0.06) 1px, transparent 1px),
    linear-gradient(rgba(15,111,255,0.06) 1px, transparent 1px);
  background-size: 32px 32px;
}

.about-workspace-icon {
  position: relative;
  z-index: 1;
  text-align: center;
}

.about-workspace-icon .icon {
  width: 64px;
  height: 64px;
  color: var(--primary);
  margin-bottom: 12px;
}

.about-workspace-icon span {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-600);
}

.about-split__content h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 16px;
}

.about-split__content > p {
  font-size: 1rem;
  color: var(--gray-500);
  line-height: 1.75;
  margin-bottom: 24px;
}

.about-beliefs {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.about-beliefs li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--gray-700);
}

.about-beliefs li::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  flex-shrink: 0;
}

/* Mission & Vision */
.mv-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.mv-card {
  border-radius: var(--radius-xl);
  padding: 40px 36px;
  border: 1px solid var(--gray-200);
}

.mv-card--mission {
  background: linear-gradient(135deg, #e8f1ff 0%, #f0f6ff 100%);
  border-color: rgba(15, 111, 255, 0.15);
}

.mv-card--vision {
  background: var(--white);
}

.mv-card__icon {
  width: 56px;
  height: 56px;
  background: var(--white);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
}

.mv-card--mission .mv-card__icon { background: var(--primary); }
.mv-card--mission .mv-card__icon .icon { color: white; width: 28px; height: 28px; }
.mv-card--vision .mv-card__icon .icon { color: var(--primary); width: 28px; height: 28px; }

.mv-card h3 {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
  margin-bottom: 10px;
}

.mv-card p {
  font-size: 1.05rem;
  color: var(--gray-700);
  line-height: 1.7;
}

/* What We Build */
.build-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.build-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  transition: all var(--transition);
}

.build-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  border-color: var(--primary-light);
}

.build-card__icon {
  width: 48px;
  height: 48px;
  background: var(--primary-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.build-card__icon .icon { width: 24px; height: 24px; color: var(--primary); }

.build-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
}

.build-card ul li {
  font-size: 0.8rem;
  color: var(--gray-500);
  padding: 3px 0;
  padding-left: 12px;
  position: relative;
}

.build-card ul li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 700;
}

/* Engineering Principles */
.principles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.principle-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: all var(--transition);
}

.principle-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.principle-card__num {
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 10px;
  letter-spacing: 0.05em;
}

.principle-card h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}

.principle-card p {
  font-size: 0.85rem;
  color: var(--gray-500);
  line-height: 1.6;
}

/* Inside KWT Labs */
.inside-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.inside-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: center;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.inside-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transition: transform var(--transition);
}

.inside-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.inside-card:hover::after { transform: scaleX(1); }

.inside-card__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  background: var(--primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.inside-card__icon .icon { width: 26px; height: 26px; color: var(--primary); }

.inside-card h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}

.inside-card p {
  font-size: 0.85rem;
  color: var(--gray-500);
  line-height: 1.6;
}

/* Product Journey - vertical flow */
.journey-flow {
  max-width: 480px;
  margin: 0 auto;
  position: relative;
}

.journey-flow::before {
  content: '';
  position: absolute;
  left: 24px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--primary), var(--success), var(--gray-300));
}

.journey-step {
  display: flex;
  gap: 24px;
  padding-bottom: 28px;
  position: relative;
}

.journey-step__dot {
  width: 20px;
  height: 20px;
  background: var(--primary);
  border-radius: 50%;
  border: 3px solid var(--white);
  box-shadow: 0 0 0 2px var(--primary);
  flex-shrink: 0;
  margin-left: 15px;
  margin-top: 2px;
}

.journey-step--done .journey-step__dot { background: var(--success); box-shadow: 0 0 0 2px var(--success); }
.journey-step--future .journey-step__dot { background: var(--white); box-shadow: 0 0 0 2px var(--gray-300); }

.journey-step__body {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  flex: 1;
}

.journey-step__year {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--primary);
  margin-bottom: 4px;
}

.journey-step h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--dark);
}

.journey-step p {
  font-size: 0.85rem;
  color: var(--gray-500);
  margin-top: 4px;
}

/* Our Products row */
.about-products {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.about-product-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  text-align: center;
  transition: all var(--transition);
}

.about-product-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.about-product-card--upcoming {
  background: var(--gray-50);
  border-style: dashed;
}

.about-product-card__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  background: var(--primary-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-product-card__icon .icon { width: 32px; height: 32px; color: var(--primary); }

.about-product-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}

.about-product-card p {
  font-size: 0.875rem;
  color: var(--gray-500);
  margin-bottom: 20px;
}

/* Choose Us */
.choose-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.choose-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: center;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.choose-card:hover {
  border-color: var(--primary-light);
  box-shadow: var(--shadow-sm);
}

.choose-card .icon {
  width: 32px;
  height: 32px;
  color: var(--success);
  margin-bottom: 12px;
}

.choose-card h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--dark);
}

/* Values */
.values-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}

.value-item {
  text-align: center;
  padding: 24px 12px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}

.value-item:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
}

.value-item__icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 12px;
  background: var(--primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.value-item__icon .icon { width: 22px; height: 22px; color: var(--primary); }

.value-item h4 {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--dark);
}

/* Tech Stack */
.tech-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  max-width: 800px;
  margin: 0 auto;
}

.tech-tag {
  padding: 10px 20px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gray-700);
  transition: all var(--transition);
}

.tech-tag:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
}

/* FAQ */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  background: var(--white);
}

.faq-item summary {
  padding: 18px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--dark);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background var(--transition);
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: '+';
  font-size: 1.25rem;
  color: var(--primary);
  font-weight: 400;
  flex-shrink: 0;
  margin-left: 16px;
}

.faq-item[open] summary::after { content: '−'; }

.faq-item summary:hover { background: var(--gray-50); }

.faq-item__answer {
  padding: 0 24px 18px;
  font-size: 0.9rem;
  color: var(--gray-500);
  line-height: 1.7;
}

/* Contact CTA */
.about-cta {
  background: linear-gradient(135deg, var(--primary) 0%, #0847a8 100%);
  border-radius: var(--radius-xl);
  padding: 64px 48px;
  text-align: center;
  color: var(--white);
  max-width: calc(var(--container) - 48px);
  margin: 0 auto;
}

.about-cta h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  margin-bottom: 12px;
}

.about-cta p {
  opacity: 0.9;
  margin-bottom: 28px;
  font-size: 1.05rem;
}

.about-cta__actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}

/* Responsive */
@media (max-width: 1024px) {
  .about-hero__grid,
  .about-split { grid-template-columns: 1fr; }
  .build-grid { grid-template-columns: repeat(3, 1fr); }
  .inside-grid { grid-template-columns: repeat(2, 1fr); }
  .values-grid { grid-template-columns: repeat(3, 1fr); }
  .principles-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .mv-grid,
  .about-products,
  .choose-grid { grid-template-columns: 1fr; }
  .build-grid { grid-template-columns: repeat(2, 1fr); }
  .inside-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .about-illus__orb { display: none; }
  .about-cta { padding: 48px 24px; }
}

@media (max-width: 480px) {
  .build-grid,
  .principles-grid,
  .values-grid { grid-template-columns: 1fr; }
}