/* ============================================
   About Page Styles
   ============================================ */

/* ---------- Page Hero ---------- */
.page-hero {
  position: relative;
  min-height: 60vh;
  display: flex;
  align-items: center;
  padding: 100px 0 50px;
  overflow: hidden;
  background: #0f172a;
}

.hero-photo-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}

.hero-photo-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
}

.hero-photo-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    rgba(15, 23, 42, 0.92) 0%,
    rgba(30, 41, 59, 0.85) 50%,
    rgba(245, 67, 54, 0.55) 100%
  );
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

.page-hero-content {
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}

.page-hero-content .badge {
  font-size: 14px;
  padding: 8px 20px;
  margin-bottom: 24px;
}

.page-hero-content h1 {
  font-size: 56px;
  font-weight: 900;
  color: #fff;
  margin-bottom: 16px;
  line-height: 1.2;
}

.page-hero-content p {
  font-size: 22px;
  color: rgba(255,255,255,0.9);
  font-weight: 500;
}

.hero-wave {
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 120px;
}

.hero-wave svg {
  width: 100%;
  height: 100%;
}

/* ---------- Section Base ---------- */
.section {
  padding: 40px 0;
  position: relative;
}

.section-title {
  text-align: center;
  margin-bottom: 56px;
}

.section-title .subtitle {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 12px;
  padding: 6px 16px;
  border-radius: 50px;
}

.section-title h2 {
  font-size: 38px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 12px;
  line-height: 1.2;
}

.section-title p {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.section-sub {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 16px;
  padding: 6px 16px;
  border-radius: 50px;
}

/* ---------- Brand Intro ---------- */
.about-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

.about-title {
  font-size: 42px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 20px;
  line-height: 1.2;
}

.about-lead {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-red);
  line-height: 1.7;
  margin-bottom: 20px;
}

.about-desc {
  font-size: 16px;
  line-height: 1.9;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.brand-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.brand-tag {
  padding: 10px 18px;
  background: var(--color-gray-50);
  border-radius: 50px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  border: 1px solid var(--color-gray-200);
}

.about-col-image {
  position: relative;
}

.about-img-wrap {
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.12);
  position: relative;
}

.about-img-wrap img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.6s ease;
}

.about-img-wrap:hover img {
  transform: scale(1.03);
}

.about-img-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: #fff;
  border-radius: 20px;
  padding: 24px 32px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.15);
  text-align: center;
}

.aib-num {
  font-size: 42px;
  font-weight: 900;
  background: linear-gradient(135deg, var(--color-red), var(--color-yellow));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.aib-num span {
  font-size: 20px;
}

.aib-label {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
  margin-top: 4px;
}

/* ---------- Philosophy Section ---------- */
.philosophy-big {
  max-width: 1000px;
  margin: 0 auto;
}

.philosophy-quote {
  text-align: center;
  background: #fff;
  border-radius: 24px;
  padding: 60px 50px;
  margin-bottom: 48px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  position: relative;
}

.quote-mark {
  position: absolute;
  top: 20px;
  left: 40px;
  font-size: 80px;
  font-weight: 900;
  color: var(--color-blue-bg);
  font-family: Georgia, serif;
  line-height: 1;
}

.philosophy-quote h3 {
  font-size: 32px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.philosophy-quote p {
  font-size: 17px;
  line-height: 1.8;
  color: var(--text-secondary);
  margin: 0;
}

.philosophy-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.pp-item {
  background: #fff;
  border-radius: 20px;
  padding: 36px 28px;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  transition: all 0.3s ease;
}

.pp-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.12);
}

.pp-icon {
  width: 72px;
  height: 72px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  color: #fff;
}

.pp-icon.red { background: linear-gradient(135deg, var(--color-red), #ff7a6b); }
.pp-icon.blue { background: linear-gradient(135deg, var(--color-blue), #6bc5ff); }
.pp-icon.green { background: linear-gradient(135deg, var(--color-green), #86efac); }

.pp-icon svg {
  width: 32px;
  height: 32px;
}

.pp-item h4 {
  font-size: 18px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.pp-item p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-secondary);
  margin: 0;
}

/* ---------- Thinking Model ---------- */
.thinking-layers {
  max-width: 1100px;
  margin: 0 auto;
}

.tl-section {
  margin-bottom: 24px;
}

.tl-header {
  text-align: center;
  margin-bottom: 28px;
}

.tl-badge {
  display: inline-block;
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 8px;
}

.tl-badge.blue { background: var(--color-blue-bg); color: var(--color-blue); }
.tl-badge.red { background: var(--color-red-bg); color: var(--color-red); }

.tl-header p {
  font-size: 15px;
  color: var(--text-secondary);
  margin: 0;
}

.tl-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.tl-card {
  background: #fff;
  border-radius: 18px;
  padding: 28px 24px;
  text-align: center;
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

.tl-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 36px rgba(0,0,0,0.1);
}

.tl-card-large {
  grid-column: span 1;
}

.tl-section:last-child .tl-grid {
  grid-template-columns: repeat(3, 1fr);
  max-width: 800px;
  margin: 0 auto;
}

.tl-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 28px;
  color: #fff;
}

.tl-card h4 {
  font-size: 16px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.tl-card p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-secondary);
  margin: 0;
}

.tl-arrow {
  text-align: center;
  padding: 12px 0;
  color: var(--color-gray-300);
}

.tl-arrow svg {
  width: 32px;
  height: 32px;
}

/* ---------- Pyramid Section ---------- */
.pyramid-wrap {
  max-width: 600px;
  margin: 0 auto;
}

.pyramid {
  position: relative;
  padding: 20px 0;
}

.pyramid-level {
  height: 80px;
  margin: 0 auto;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  position: relative;
  overflow: hidden;
}

.pyramid-level:last-child {
  margin-bottom: 0;
}

.level-1 {
  width: 100%;
  background: linear-gradient(135deg, #60A5FA, #3B82F6);
}

.level-2 {
  width: 75%;
  background: linear-gradient(135deg, #34D399, #10B981);
}

.level-3 {
  width: 50%;
  background: linear-gradient(135deg, #FBBF24, #F59E0B);
}

.level-4 {
  width: 35%;
  background: linear-gradient(135deg, #F87171, #EF4444);
}

.pyramid-label {
  text-align: center;
  color: #fff;
  z-index: 1;
  position: relative;
}

.pyramid-label strong {
  display: block;
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 2px;
}

.pyramid-label span {
  font-size: 13px;
  opacity: 0.92;
}

/* ---------- 1+X Model ---------- */
.onex-model {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  max-width: 1100px;
  margin: 0 auto;
  flex-wrap: wrap;
}

.onex-core {
  flex-shrink: 0;
}

.onex-core-inner {
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-red), var(--color-yellow));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 20px 60px rgba(245, 67, 54, 0.3);
  position: relative;
}

.onex-1 {
  font-size: 72px;
  font-weight: 900;
  line-height: 1;
}

.onex-core-label {
  font-size: 22px;
  font-weight: 700;
  margin: 8px 0 12px;
}

.onex-core-items {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.onex-core-items span {
  font-size: 14px;
  padding: 4px 14px;
  background: rgba(255,255,255,0.2);
  border-radius: 20px;
  font-weight: 500;
}

.onex-plus {
  text-align: center;
  flex-shrink: 0;
}

.plus-sign {
  font-size: 48px;
  font-weight: 900;
  color: var(--color-yellow-dark);
  display: block;
}

.onex-x {
  font-size: 56px;
  font-weight: 900;
  background: linear-gradient(135deg, var(--color-green), var(--color-teal));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-top: 8px;
}

.onex-x-label {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-secondary);
  margin-top: 8px;
}

.onex-extensions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  flex: 1;
  max-width: 480px;
}

.ox-item {
  padding: 18px 16px;
  border-radius: 14px;
  color: #fff;
  text-align: center;
  font-size: 15px;
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  transition: all 0.3s ease;
}

.ox-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 24px rgba(0,0,0,0.15);
}

/* ---------- CTA Section ---------- */
.cta-section {
  background: var(--color-gray-50);
}

.cta-box {
  background: linear-gradient(135deg, var(--color-red) 0%, var(--color-red-light) 50%, var(--color-yellow) 100%);
  border-radius: 24px;
  padding: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 400px;
  height: 400px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
}

.cta-box::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: 10%;
  width: 300px;
  height: 300px;
  background: rgba(255,255,255,0.08);
  border-radius: 50%;
}

.cta-content {
  position: relative;
  z-index: 1;
  color: #fff;
  flex: 1;
}

.cta-content h2 {
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 12px;
}

.cta-content p {
  font-size: 18px;
  opacity: 0.92;
  margin-bottom: 20px;
}

.cta-features {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.cta-features span {
  font-size: 14px;
  font-weight: 600;
  opacity: 0.95;
}

.cta-actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex-shrink: 0;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
  .about-two-col {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .about-col-image {
    max-width: 500px;
    margin: 0 auto;
  }

  .philosophy-pillars {
    grid-template-columns: repeat(3, 1fr);
  }

  .tl-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .tl-section:last-child .tl-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .onex-model {
    flex-direction: column;
    gap: 24px;
  }

  .onex-extensions {
    max-width: 100%;
    width: 100%;
  }

  .cta-box {
    flex-direction: column;
    text-align: center;
  }

  .cta-features {
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 40px 0;
  }

  .page-hero {
    padding: 80px 0 40px;
    min-height: auto;
  }

  .page-hero-content h1 {
    font-size: 36px;
  }

  .page-hero-content p {
    font-size: 18px;
  }

  .section-title h2 {
    font-size: 28px;
  }

  .about-title {
    font-size: 30px;
  }

  .about-img-badge {
    right: 50%;
    transform: translateX(50%);
    bottom: -20px;
    padding: 16px 24px;
  }

  .philosophy-quote {
    padding: 40px 24px;
  }

  .philosophy-quote h3 {
    font-size: 24px;
  }

  .quote-mark {
    display: none;
  }

  .philosophy-pillars {
    grid-template-columns: 1fr;
  }

  .tl-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .tl-section:last-child .tl-grid {
    grid-template-columns: 1fr;
  }

  .tl-card {
    padding: 20px 16px;
  }

  .pyramid-label strong {
    font-size: 16px;
  }

  .pyramid-label span {
    font-size: 11px;
  }

  .pyramid-level {
    height: 64px;
  }

  .onex-core-inner {
    width: 220px;
    height: 220px;
  }

  .onex-1 {
    font-size: 56px;
  }

  .onex-extensions {
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
  }

  .ox-item {
    padding: 14px 10px;
    font-size: 13px;
  }

  .cta-box {
    padding: 40px 24px;
  }

  .cta-content h2 {
    font-size: 26px;
  }
}