/* -------------------------------------------------------------
   PAGE ABOUT: INDUSTRIAL OUTDOOR PREMIUM DESIGN
   Based on DESIGN.md and Rooftop Tent Factory Specifications
------------------------------------------------------------- */

/* HERO SECTION */
.about-hero {
  background-color: var(--color-carbon);
  color: var(--color-canvas);
  padding: 120px 0 96px;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border-dark);
}

.hero-backdrop-pattern {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: 
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.6;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  padding: 6px 14px;
  border-radius: 2px;
  margin-bottom: 28px;
}

.badge-dot {
  width: 7px;
  height: 7px;
  background-color: var(--color-amber);
  border-radius: 50%;
  display: inline-block;
}

.badge-mono {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.15em;
  color: rgba(246, 244, 238, 0.8);
}

.hero-title {
  font-size: clamp(38px, 5.5vw, 68px);
  font-weight: 800;
  color: var(--color-canvas);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  max-width: 980px;
}

.hero-outline {
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(246, 244, 238, 0.55);
}

.hero-desc {
  font-size: 18px;
  line-height: 1.75;
  color: rgba(246, 244, 238, 0.72);
  max-width: 740px;
  margin-bottom: 48px;
}

.hero-meta-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  border-top: 1px solid var(--color-border-dark);
  padding-top: 28px;
  max-width: 820px;
}

.hero-meta-card .meta-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-amber);
  letter-spacing: 0.12em;
  margin-bottom: 6px;
}

.hero-meta-card .meta-val {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-canvas);
}

/* STAT BAR */
.stat-bar {
  background-color: var(--color-graphite);
  border-bottom: 1px solid var(--color-border-dark);
  padding: 48px 0;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.stat-item {
  border-left: 2px solid var(--color-amber);
  padding-left: 20px;
}

.stat-header {
  margin-bottom: 6px;
}

.stat-code {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  color: rgba(246, 244, 238, 0.45);
}

.stat-number {
  font-family: var(--font-mono);
  font-size: 42px;
  font-weight: 700;
  color: var(--color-canvas);
  line-height: 1;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.stat-number .unit {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 600;
  color: var(--color-amber);
  margin-left: 4px;
}

.stat-label {
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 700;
  color: var(--color-canvas);
  margin-bottom: 4px;
}

.stat-sub {
  font-size: 12px;
  color: rgba(246, 244, 238, 0.55);
  line-height: 1.4;
}
/* SECTION COMMONS */
.about-section {
  padding: 108px 0;
  position: relative;
}

.bg-canvas {
  background-color: var(--color-canvas);
  color: var(--color-carbon);
}

.bg-graphite {
  background-color: var(--color-graphite);
  color: var(--color-canvas);
}

.section-lead-header {
  margin-bottom: 64px;
  max-width: 820px;
}

.section-tag-mono {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--color-moss);
  margin-bottom: 14px;
}

.section-tag-mono.accent {
  color: var(--color-amber);
}

.section-title {
  font-size: clamp(32px, 4.2vw, 48px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin-bottom: 18px;
  color: var(--color-carbon);
}

.section-title.text-white {
  color: var(--color-canvas);
}

.section-lead {
  font-size: 17px;
  color: var(--color-text-mid);
  line-height: 1.75;
}

.text-steel {
  color: #B2B7B0 !important;
}

.text-amber {
  color: var(--color-amber) !important;
}

/* TWO COLUMN GRID */
.two-col-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.two-col-grid.reverse-on-desktop {
  direction: rtl;
}

.two-col-grid.reverse-on-desktop > * {
  direction: ltr;
}

/* MEDIA BOX WITH TECHNICAL GREY BLOCK (PLACEHOLDER) */
.media-box-wrapper {
  display: flex;
  flex-direction: column;
}

.media-box {
  width: 100%;
  border-radius: 2px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  position: relative;
  background-color: #E2E6E1;
}

.media-box.border-graphite {
  border: 1px solid rgba(255, 255, 255, 0.15);
  background-color: #1E231F;
}

.aspect-16-10 {
  aspect-ratio: 16 / 10;
}

.img-placeholder {
  width: 100%;
  height: 100%;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px 24px;
  text-align: center;
  color: var(--color-carbon);
  background: #DFE3DE;
}

.img-placeholder.dark {
  background: #1C201C;
  color: var(--color-canvas);
}

.ph-cad-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(23, 25, 22, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23, 25, 22, 0.06) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}

.ph-cad-grid.dark {
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
}

.ph-corner {
  position: absolute;
  width: 12px;
  height: 12px;
  border-color: var(--color-steel);
  pointer-events: none;
}

.ph-corner.top-left { top: 12px; left: 12px; border-top: 1.5px solid; border-left: 1.5px solid; }
.ph-corner.top-right { top: 12px; right: 12px; border-top: 1.5px solid; border-right: 1.5px solid; }
.ph-corner.bottom-left { bottom: 12px; left: 12px; border-bottom: 1.5px solid; border-left: 1.5px solid; }
.ph-corner.bottom-right { bottom: 12px; right: 12px; border-bottom: 1.5px solid; border-right: 1.5px solid; }

.ph-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  font-weight: 600;
  background: rgba(23, 25, 22, 0.08);
  padding: 4px 10px;
  border-radius: 2px;
  margin-bottom: 16px;
  z-index: 2;
}

.ph-badge.accent {
  background: rgba(215, 154, 50, 0.15);
  color: var(--color-amber);
}

.ph-icon-box {
  width: 56px;
  height: 56px;
  background: rgba(23, 25, 22, 0.06);
  border: 1px solid rgba(23, 25, 22, 0.12);
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  z-index: 2;
  color: var(--color-carbon);
}

.ph-icon-box.accent {
  background: rgba(215, 154, 50, 0.12);
  border-color: rgba(215, 154, 50, 0.3);
  color: var(--color-amber);
}

.ph-spec {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
  z-index: 2;
}

.ph-caption {
  font-size: 13px;
  color: var(--color-text-mid);
  max-width: 80%;
  line-height: 1.5;
  z-index: 2;
}

.img-placeholder.dark .ph-caption {
  color: rgba(246, 244, 238, 0.7);
}

.media-caption-bar {
  display: flex;
  justify-content: space-between;
  padding: 10px 14px;
  background: #E8EBE6;
  border: 1px solid var(--color-border);
  border-top: none;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--color-text-mid);
}

.media-caption-bar.dark {
  background: #181C19;
  border-color: rgba(255, 255, 255, 0.15);
  color: rgba(246, 244, 238, 0.5);
}
/* TEXT CONTENT & PROCESS CHECKLIST */
.pillar-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--color-moss);
  margin-bottom: 8px;
  font-weight: 600;
}

.content-heading {
  font-size: 28px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
  color: var(--color-carbon);
}

.process-checklist {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 28px 0;
}

.check-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.check-num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--color-amber);
  background: rgba(215, 154, 50, 0.1);
  padding: 4px 8px;
  border-radius: 2px;
  line-height: 1;
  margin-top: 2px;
}

.check-item strong {
  display: block;
  font-size: 15px;
  color: var(--color-carbon);
  margin-bottom: 2px;
}

.check-item p {
  font-size: 14px;
  color: var(--color-text-mid);
  line-height: 1.5;
  margin: 0;
}

.quote-stat-box {
  border-left: 2px solid var(--color-moss);
  padding-left: 18px;
  margin-top: 32px;
}

.quote-text {
  font-style: italic;
  font-size: 15px;
  color: var(--color-carbon);
  line-height: 1.6;
}

/* TECHNOLOGY COMPARISON STACK */
.tech-card-stack {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.tech-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 28px;
  border-radius: 2px;
}

.tech-card.proprietary {
  background: rgba(215, 154, 50, 0.06);
  border: 1px solid rgba(215, 154, 50, 0.35);
}

.tech-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 2px;
  display: inline-block;
  margin-bottom: 12px;
}

.tech-badge.warning {
  background: rgba(255, 255, 255, 0.1);
  color: #B2B7B0;
}

.tech-badge.success {
  background: var(--color-amber);
  color: var(--color-carbon);
}

.tech-card h4 {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-canvas);
  margin-bottom: 10px;
}

.tech-card p {
  font-size: 14.5px;
  color: #B2B7B0;
  line-height: 1.65;
  margin: 0;
}

.material-pills {
  display: flex;
  gap: 16px;
  margin-top: 28px;
  flex-wrap: wrap;
}

.material-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 10px 16px;
  font-size: 13.5px;
  color: rgba(246, 244, 238, 0.85);
  border-radius: 2px;
}

.pill-dot {
  width: 6px;
  height: 6px;
  background-color: var(--color-amber);
  border-radius: 50%;
}
/* 4 SPECIALIZED WORKSHOPS GRID */
.dept-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.dept-card {
  background: var(--color-pure-white);
  border: 1px solid var(--color-border);
  border-radius: 2px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.dept-media {
  border-bottom: 1px solid var(--color-border);
  background: #E8ECE6;
  aspect-ratio: 4 / 3;
}

.img-placeholder.sm {
  height: 100%;
  padding: 20px 16px;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: #E5E9E3;
}

.ph-badge-sm {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  font-weight: 700;
  color: var(--color-carbon);
  background: rgba(23, 25, 22, 0.08);
  padding: 3px 8px;
  border-radius: 2px;
  margin-bottom: 10px;
  z-index: 2;
}

.ph-icon-sm {
  width: 42px;
  height: 42px;
  background: rgba(23, 25, 22, 0.05);
  border: 1px solid rgba(23, 25, 22, 0.1);
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-carbon);
  margin-bottom: 10px;
  z-index: 2;
}

.ph-caption-sm {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--color-text-mid);
  z-index: 2;
  line-height: 1.4;
}

.dept-info {
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.dept-station {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--color-moss);
  font-weight: 600;
  margin-bottom: 8px;
}

.dept-info h3 {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 10px;
  color: var(--color-carbon);
}

.dept-info p {
  font-size: 13.5px;
  color: var(--color-text-mid);
  line-height: 1.6;
  margin-bottom: 18px;
  flex-grow: 1;
}

.dept-metric {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-carbon);
  background: var(--color-canvas);
  border: 1px solid var(--color-border);
  padding: 8px 12px;
  border-radius: 2px;
  font-weight: 500;
}

/* GLOBAL MARKET GRID (4 COLUMNS) */
.market-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.market-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
}

.market-share {
  font-family: var(--font-mono);
  font-size: 46px;
  font-weight: 700;
  color: var(--color-amber);
  line-height: 1;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.market-region {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-canvas);
  margin-bottom: 12px;
}

.market-card p {
  font-size: 13.5px;
  color: #B2B7B0;
  line-height: 1.6;
  margin-bottom: 24px;
  flex-grow: 1;
}

.market-pill {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  padding: 6px 10px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(246, 244, 238, 0.85);
  border-radius: 2px;
}
/* COOPERATION TIERS & PROCESS */
.tier-compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-bottom: 56px;
}

.tier-card {
  background: var(--color-pure-white);
  border: 1px solid var(--color-border);
  padding: 40px 36px;
  border-radius: 2px;
}

.tier-card.deep {
  border: 1.5px solid var(--color-moss);
  background: #FCFCFA;
}

.tier-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  font-weight: 700;
  color: var(--color-moss);
  background: rgba(83, 92, 62, 0.1);
  padding: 4px 10px;
  border-radius: 2px;
  display: inline-block;
  margin-bottom: 14px;
}

.tier-badge.accent {
  color: var(--color-amber);
  background: rgba(215, 154, 50, 0.12);
}

.tier-card h3 {
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 8px;
  color: var(--color-carbon);
}

.tier-card p {
  font-size: 14px;
  color: var(--color-text-mid);
  margin-bottom: 24px;
}

.tier-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  border-top: 1px solid var(--color-border);
  padding-top: 24px;
}

.tier-features li {
  font-size: 14px;
  color: var(--color-carbon);
  line-height: 1.5;
}

.tier-features li strong {
  color: var(--color-carbon);
}

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

.flow-step {
  background: var(--color-pure-white);
  border: 1px solid var(--color-border);
  padding: 32px 26px;
  border-radius: 2px;
}

.step-num-mono {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--color-amber);
  letter-spacing: 0.15em;
  margin-bottom: 12px;
}

.flow-step h4 {
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 8px;
  color: var(--color-carbon);
}

.step-detail {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--color-text-mid);
  margin-bottom: 14px;
  border-bottom: 1px dashed var(--color-border);
  padding-bottom: 8px;
}

.flow-step p {
  font-size: 14px;
  color: var(--color-text-mid);
  line-height: 1.6;
  margin: 0;
}

/* ABOUT CTA SECTION */
.about-cta {
  background-color: var(--color-carbon);
  padding: 120px 0;
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--color-border-dark);
}

.cta-backdrop-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

.cta-content-box {
  text-align: center;
  max-width: 840px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.cta-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--color-amber);
  margin-bottom: 20px;
}

.cta-title {
  font-size: clamp(34px, 4.5vw, 52px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-canvas);
  margin-bottom: 22px;
}

.cta-desc {
  font-size: 17px;
  color: rgba(246, 244, 238, 0.72);
  line-height: 1.75;
  margin-bottom: 40px;
}

.cta-actions {
  display: flex;
  gap: 18px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.btn-amber {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-amber);
  color: var(--color-carbon);
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 16px 36px;
  border-radius: 2px;
  transition: background-color 0.2s ease, transform 0.15s ease;
}

.btn-amber:hover {
  background-color: var(--color-amber-hover);
  color: var(--color-carbon);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--color-canvas);
  border: 1px solid rgba(255, 255, 255, 0.35);
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.05em;
  padding: 16px 36px;
  border-radius: 2px;
  transition: all 0.2s ease;
}

.btn-ghost:hover {
  border-color: var(--color-canvas);
  background: rgba(255, 255, 255, 0.06);
}

.cta-footnote {
  display: flex;
  gap: 16px;
  justify-content: center;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: rgba(246, 244, 238, 0.45);
  letter-spacing: 0.1em;
}

/* RESPONSIVE ADAPTATIONS */
@media (max-width: 1024px) {
  .stat-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
  .two-col-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .dept-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .market-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .tier-compare-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .about-hero {
    padding: 80px 0 60px;
  }
  .hero-meta-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .stat-grid {
    grid-template-columns: 1fr;
  }
  .dept-grid-4 {
    grid-template-columns: 1fr;
  }
  .market-grid-4 {
    grid-template-columns: 1fr;
  }
  .flow-steps-grid {
    grid-template-columns: 1fr;
  }
  .cta-actions {
    flex-direction: column;
  }
  .cta-footnote {
    flex-direction: column;
    gap: 6px;
  }
}