/**
 * Tech Sutro — About Page
 * assets/css/about.css
 *
 * "Bold Tech / Dark Glass" — frosted glass panels, aurora backlights,
 * gradient icon chips / numbers / hairlines and glowing hover lift.
 *
 * Shared atoms (`.container`, `.section`, `.eyebrow`, `.card`, `.btn`,
 * `.grid*`, `.text*`) are owned by main.css — everything here is scoped
 * to `.about-*` and only ever overrides visuals inside those scopes.
 */


/* =========================================================
   HERO
========================================================= */

.about-hero {
  position: relative;

  padding-top: clamp(5rem, 10vw, 9rem);
  padding-bottom: clamp(4.5rem, 9vw, 7.5rem);
}

.about-hero h1 {
  max-width: 1000px;
  margin-inline: auto;

  font-size: clamp(3rem, 7vw, 6.25rem);
  font-weight: 800;
  line-height: 0.98;
  letter-spacing: -0.055em;
  text-wrap: balance;
}

.about-hero-description {
  max-width: 720px;
  margin: 1.75rem auto 0;

  font-size: clamp(1rem, 1.4vw, 1.125rem);
  line-height: 1.8;
  text-wrap: pretty;
}

.about-hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;

  gap: var(--space-2);

  margin-top: var(--space-10);
}

.about-hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;

  padding: 0.6rem 1rem;

  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);

  background: var(--glass-bg-soft);
  box-shadow: inset 0 1px 0 var(--glass-highlight);

  backdrop-filter: blur(12px) saturate(140%);
  -webkit-backdrop-filter: blur(12px) saturate(140%);

  color: var(--text-secondary);

  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;

  transition:
    transform var(--transition-base),
    color var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-base);
}

.about-hero-meta span:hover {
  transform: translateY(-3px);

  color: var(--text-primary);

  border-color: color-mix(in oklab, var(--accent-primary), transparent 55%);

  box-shadow:
    inset 0 1px 0 var(--glass-highlight),
    0 12px 26px -16px var(--accent-glow);
}

.about-hero-meta svg {
  width: 15px;
  height: 15px;

  flex-shrink: 0;

  color: var(--accent-primary);
  stroke-width: 1.7;
}


/* =========================================================
   SECTION LABELS — gradient eyebrow chip
========================================================= */

.about-section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;

  margin-bottom: 0.35rem;
  padding: 0.4rem 0.9rem;

  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);

  background: var(--glass-bg-soft);
  box-shadow: inset 0 1px 0 var(--glass-highlight);

  backdrop-filter: blur(12px) saturate(140%);
  -webkit-backdrop-filter: blur(12px) saturate(140%);

  color: var(--accent-primary);

  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  line-height: 1.3;
  text-transform: uppercase;
}

.about-section-label::before {
  content: '';

  flex: 0 0 6px;
  width: 6px;
  height: 6px;

  border-radius: var(--radius-full);

  background: var(--accent-gradient);
  box-shadow: 0 0 10px var(--accent-glow);
}


/* =========================================================
   SECTION WRAPPERS — anchors + gradient hairline dividers
========================================================= */

.about-what-we-do {
  position: relative;

  background-image: linear-gradient(
    90deg,
    transparent,
    var(--border-base) 50%,
    transparent
  );
  background-repeat: no-repeat;
  background-position: center top;
  background-size: min(880px, 84%) 1px;
}

.about-partnership {
  position: relative;

  scroll-margin-top: clamp(5rem, 9vh, 7rem);
}

.about-why {
  position: relative;

  scroll-margin-top: clamp(5rem, 9vh, 7rem);
}

.about-process {
  position: relative;

  scroll-margin-top: clamp(5rem, 9vh, 7rem);
}

.about-team {
  position: relative;

  scroll-margin-top: clamp(5rem, 9vh, 7rem);
}


/* =========================================================
   SECTION HEADINGS — split block with gradient hairline
========================================================= */

.about-section-heading {
  position: relative;

  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.55fr);

  gap: clamp(2rem, 6vw, 7rem);

  align-items: end;

  margin-bottom: clamp(2.5rem, 5vw, 3.5rem);
  padding-bottom: var(--space-6);

  background-image: linear-gradient(
    90deg,
    color-mix(in oklab, var(--accent-primary), transparent 30%),
    var(--border-base) 55%,
    transparent 100%
  );
  background-repeat: no-repeat;
  background-position: left bottom;
  background-size: 100% 1px;
}

.about-section-heading h2 {
  max-width: 760px;
  margin: 1.1rem 0 0;

  font-size: clamp(2.1rem, 4.4vw, 3.75rem);
  line-height: 1.03;
  letter-spacing: -0.05em;
  text-wrap: balance;
}

.about-section-heading > p {
  max-width: 520px;

  margin: 0;

  font-size: 0.95rem;
  line-height: 1.75;
}

.about-section-heading-centered {
  grid-template-columns: 1fr;

  max-width: 900px;

  margin-inline: auto;
  padding-bottom: var(--space-6);

  text-align: center;
  justify-items: center;

  background-image: linear-gradient(
    90deg,
    transparent,
    color-mix(in oklab, var(--accent-primary), transparent 35%) 50%,
    transparent
  );
  background-size: min(460px, 80%) 1px;
  background-position: center bottom;
}

.about-section-heading-centered h2 {
  margin-inline: auto;
}

.about-section-heading-centered > p {
  margin-inline: auto;
}


/* =========================================================
   OVERVIEW — aurora backlight + frosted glass panel
========================================================= */

.about-overview {
  position: relative;
  z-index: 0;

  padding-top: var(--space-10);

  scroll-margin-top: clamp(5rem, 9vh, 7rem);
}

/* Aurora field sitting behind the glass panel. */
.about-overview::before {
  content: '';

  position: absolute;
  z-index: -1;

  top: 4%;
  right: -6%;

  width: min(720px, 72%);
  height: min(560px, 82%);

  background:
    radial-gradient(50% 50% at 55% 45%, var(--aurora-1) 0%, transparent 70%),
    radial-gradient(45% 45% at 80% 72%, var(--aurora-2) 0%, transparent 72%);

  filter: blur(30px);

  pointer-events: none;
}

.about-overview-grid {
  position: relative;

  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);

  gap: clamp(3rem, 7vw, 8rem);

  align-items: start;
}

.about-overview-intro {
  position: sticky;
  top: clamp(6rem, 14vh, 9rem);
}

.about-overview-intro h2 {
  max-width: 580px;

  margin: 1.1rem 0 0;

  font-size: clamp(2.1rem, 4.2vw, 3.9rem);
  line-height: 1.03;
  letter-spacing: -0.05em;
  text-wrap: balance;
}

.about-overview-content {
  position: relative;

  padding: clamp(1.75rem, 3vw, 2.75rem);

  border: 1px solid var(--glass-border);
  border-radius: var(--card-radius);

  background: var(--glass-bg);
  box-shadow:
    var(--card-shadow),
    inset 0 1px 0 var(--glass-highlight);

  backdrop-filter: blur(var(--glass-blur)) saturate(140%);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(140%);
}

/* Gradient hairline across the panel top. */
.about-overview-content::after {
  content: '';

  position: absolute;

  top: 0;
  left: 0;
  right: 0;

  height: 1px;

  background: linear-gradient(
    90deg,
    color-mix(in oklab, var(--accent-primary), transparent 10%),
    color-mix(in oklab, var(--accent-3), transparent 70%) 55%,
    transparent
  );

  opacity: 0.7;

  pointer-events: none;
}

.about-overview-content p {
  max-width: 64ch;

  margin: var(--space-5) 0 0;

  font-size: 0.95rem;
  line-height: 1.8;
}

.about-overview-content p:last-child {
  margin-bottom: 0;
}

/* Lead statement — accent gradient rule + display sizing. */
.about-lead {
  position: relative;

  margin-top: 0;
  padding-left: var(--space-5);

  color: var(--text-primary);

  font-size: clamp(1.15rem, 1.9vw, 1.45rem);
  font-weight: 500;
  line-height: 1.55;
  letter-spacing: -0.02em;
}

.about-lead::before {
  content: '';

  position: absolute;

  left: 0;
  top: 0.3em;
  bottom: 0.3em;

  width: 3px;
  border-radius: var(--radius-full);

  background: var(--accent-gradient);
  box-shadow: 0 0 14px var(--accent-glow);
}

.about-overview-content .about-lead {
  margin-top: 0;
  margin-bottom: var(--space-5);

  color: var(--text-primary);

  font-size: clamp(1.2rem, 2vw, 1.5rem);
  line-height: 1.55;
  letter-spacing: -0.02em;
}


/* =========================================================
   CAPABILITY STRIP
========================================================= */

.about-capability-strip {
  position: relative;

  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));

  margin-top: clamp(3rem, 6vw, 5rem);

  border-top: 1px solid var(--border-base);
  border-bottom: 1px solid var(--border-base);
}

/* Accent hairline riding the top edge of the strip. */
.about-capability-strip::after {
  content: '';

  position: absolute;

  top: -1px;
  left: 0;
  right: 0;

  height: 1px;

  background: linear-gradient(
    90deg,
    var(--accent-primary),
    var(--accent-secondary) 55%,
    transparent
  );

  opacity: 0.55;

  pointer-events: none;
}

.about-capability-item {
  position: relative;

  display: flex;
  flex-direction: column;

  min-height: 150px;

  padding: var(--space-6);

  border-right: 1px solid var(--border-subtle);

  transition: background var(--transition-base);
}

.about-capability-item:hover {
  background: var(--glass-bg-soft);
}

.about-capability-item:last-child {
  border-right: 0;
}

.about-capability-number {
  margin-bottom: auto;

  color: transparent;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;

  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  line-height: 1;

  opacity: 0.85;

  transition: opacity var(--transition-base);
}

.about-capability-item:hover .about-capability-number {
  opacity: 1;
}

.about-capability-item strong {
  margin-top: var(--space-4);

  color: var(--text-primary);

  font-size: 0.95rem;
  letter-spacing: -0.01em;
}

.about-capability-item > span:last-child {
  margin-top: 0.35rem;

  color: var(--text-secondary);

  font-size: var(--text-xs);
  line-height: 1.5;
}


/* =========================================================
   DOMAIN CARDS — frosted glass + gradient icon chips
========================================================= */

.about-domain-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));

  gap: clamp(1rem, 1.6vw, 1.35rem);
}

.about-domain-card {
  position: relative;

  display: flex;
  flex-direction: column;

  min-height: 400px;

  padding: clamp(1.5rem, 3vw, 2.15rem);

  border: 1px solid var(--glass-border);
  border-radius: var(--card-radius);

  background: var(--glass-bg);
  box-shadow:
    var(--card-shadow),
    inset 0 1px 0 var(--glass-highlight);

  backdrop-filter: blur(var(--glass-blur)) saturate(140%);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(140%);

  overflow: hidden;

  transition:
    transform var(--transition-slow),
    background var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-base);
}

/* Aurora orb in the top-right corner, revealed on hover. */
.about-domain-card::after {
  content: '';

  position: absolute;

  top: -80px;
  right: -80px;

  width: 220px;
  height: 220px;

  border-radius: 50%;

  background: radial-gradient(
    circle,
    var(--accent-glow) 0%,
    transparent 70%
  );

  opacity: 0;

  transition: opacity var(--transition-slow);

  pointer-events: none;
}

.about-domain-card:hover {
  transform: translateY(-6px);

  background: var(--card-bg-hover);

  box-shadow:
    var(--card-shadow-hover),
    0 26px 60px -34px var(--accent-glow);
}

.about-domain-card:hover::after {
  opacity: 1;
}

.about-domain-top {
  position: relative;
  z-index: 1;

  display: flex;
  align-items: flex-start;
  justify-content: space-between;

  margin-bottom: var(--space-8);
}

.about-domain-number {
  color: transparent;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;

  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  line-height: 1;

  opacity: 0.85;

  transition: opacity var(--transition-base);
}

.about-domain-card:hover .about-domain-number {
  opacity: 1;
}

.about-domain-icon {
  position: relative;

  display: inline-flex;
  align-items: center;
  justify-content: center;

  width: 56px;
  height: 56px;

  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);

  color: var(--accent-primary);

  background: var(--accent-gradient-soft);
  box-shadow: inset 0 1px 0 var(--glass-highlight);

  transition:
    transform var(--transition-slow),
    border-color var(--transition-base),
    box-shadow var(--transition-base);
}

.about-domain-icon svg {
  width: 24px;
  height: 24px;

  stroke-width: 1.5;
}

.about-domain-card:hover .about-domain-icon {
  transform: translateY(-4px) scale(1.04);

  border-color: color-mix(in oklab, var(--accent-primary), transparent 42%);

  box-shadow:
    inset 0 1px 0 var(--glass-highlight),
    0 0 0 5px color-mix(in oklab, var(--accent-primary), transparent 93%),
    0 0 30px var(--accent-glow);
}

.about-domain-label {
  position: relative;
  z-index: 1;

  display: block;

  margin-bottom: 0.6rem;

  color: var(--accent-primary);

  font-family: var(--font-mono);
  font-size: 0.64rem;
  font-weight: 700;

  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.about-domain-card h3 {
  position: relative;
  z-index: 1;

  margin: 0;

  font-size: clamp(1.3rem, 2.2vw, 1.7rem);
  line-height: 1.2;

  letter-spacing: -0.03em;
}

.about-domain-card > p {
  position: relative;
  z-index: 1;

  max-width: 52ch;

  margin: 0.85rem 0 0;

  font-size: 0.9rem;
  line-height: 1.7;
}


/* =========================================================
   FEATURE LIST — gradient hairline + glowing bullets
========================================================= */

.about-feature-list {
  position: relative;
  z-index: 1;

  display: flex;
  flex-direction: column;

  gap: 0.6rem;

  margin: auto 0 0;
  padding-top: var(--space-5);

  list-style: none;

  border-top: 1px solid transparent;
  border-image: linear-gradient(
      90deg,
      color-mix(in oklab, var(--accent-primary), transparent 35%),
      var(--border-subtle) 60%,
      transparent
    )
    1;
}

.about-feature-list li {
  position: relative;

  padding-left: 1.1rem;

  color: var(--text-secondary);

  font-size: var(--text-xs);
  line-height: 1.5;

  transition: color var(--transition-base);
}

.about-feature-list li::before {
  content: '';

  position: absolute;

  top: 0.5em;
  left: 0;

  width: 5px;
  height: 5px;

  border-radius: 50%;

  background: var(--accent-gradient);
  box-shadow: 0 0 8px var(--accent-glow);
}

.about-domain-card:hover .about-feature-list li,
.about-partnership-card:hover .about-feature-list li,
.about-principle-card:hover .about-feature-list li {
  color: var(--text-primary);
}


/* =========================================================
   PARTNERSHIP
========================================================= */

.about-partnership-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));

  gap: clamp(1rem, 1.6vw, 1.35rem);
}

.about-partnership-card {
  position: relative;

  display: flex;
  flex-direction: column;

  padding: clamp(1.75rem, 3vw, 2.5rem);

  border: 1px solid var(--glass-border);
  border-radius: var(--card-radius);

  background:
    linear-gradient(
      150deg,
      color-mix(in oklab, var(--accent-primary), transparent 95%),
      transparent 55%
    ),
    var(--glass-bg);

  box-shadow:
    var(--card-shadow),
    inset 0 1px 0 var(--glass-highlight);

  backdrop-filter: blur(var(--glass-blur)) saturate(140%);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(140%);

  overflow: hidden;

  transition:
    transform var(--transition-slow),
    background var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-base);
}

/* Gradient hover ring. */
.about-partnership-card::before {
  content: '';

  position: absolute;
  inset: 0;

  border-radius: inherit;
  padding: 1px;

  background: var(--accent-gradient);

  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
          mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;

  opacity: 0;

  pointer-events: none;

  transition: opacity var(--transition-base);
}

/* Gradient hairline across the card top. */
.about-partnership-card::after {
  content: '';

  position: absolute;

  top: 0;
  left: 0;
  right: 0;

  height: 1px;

  background: linear-gradient(
    90deg,
    color-mix(in oklab, var(--accent-secondary), transparent 15%),
    color-mix(in oklab, var(--accent-primary), transparent 60%) 60%,
    transparent
  );

  opacity: 0.5;

  pointer-events: none;

  transition: opacity var(--transition-base);
}

.about-partnership-card:hover {
  transform: translateY(-6px);

  border-color: color-mix(in oklab, var(--accent-primary), transparent 55%);

  box-shadow:
    var(--card-shadow-hover),
    0 26px 60px -34px var(--accent-glow);
}

.about-partnership-card:hover::before,
.about-partnership-card:hover::after {
  opacity: 1;
}

.about-partnership-number {
  position: absolute;

  z-index: 1;

  top: 1.75rem;
  right: 1.75rem;

  color: transparent;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;

  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  line-height: 1;

  opacity: 0.85;
}

.about-partnership-icon {
  position: relative;
  z-index: 1;

  display: inline-flex;
  align-items: center;
  justify-content: center;

  width: 58px;
  height: 58px;

  margin-bottom: var(--space-8);

  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);

  color: var(--accent-primary);

  background: var(--accent-gradient-soft);
  box-shadow: inset 0 1px 0 var(--glass-highlight);

  transition:
    transform var(--transition-slow),
    border-color var(--transition-base),
    box-shadow var(--transition-base);
}

.about-partnership-card:hover .about-partnership-icon {
  transform: translateY(-3px);

  border-color: color-mix(in oklab, var(--accent-primary), transparent 42%);

  box-shadow:
    0 0 0 5px color-mix(in oklab, var(--accent-primary), transparent 93%),
    0 0 30px var(--accent-glow);
}

.about-partnership-icon svg {
  width: 24px;
  height: 24px;

  stroke-width: 1.5;
}

.about-partnership-card h3 {
  position: relative;
  z-index: 1;

  margin: 0;

  font-size: clamp(1.45rem, 2.4vw, 1.95rem);
  line-height: 1.15;

  letter-spacing: -0.035em;
}

.about-partnership-card > p {
  position: relative;
  z-index: 1;

  max-width: 55ch;

  margin: 0.85rem 0 0;

  font-size: 0.9rem;
  line-height: 1.75;
}

.about-partnership-card .about-feature-list {
  margin-top: var(--space-8);
}

/* Parent company note — frosted inset strip. */
.about-parent-note {
  position: relative;

  display: flex;
  align-items: center;

  gap: var(--space-3);

  margin-top: var(--space-6);
  padding: var(--space-4) var(--space-5);

  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);

  background:
    linear-gradient(
      90deg,
      color-mix(in oklab, var(--accent-primary), transparent 88%),
      transparent 45%
    ),
    var(--glass-bg-soft);

  box-shadow: inset 0 1px 0 var(--glass-highlight);

  backdrop-filter: blur(12px) saturate(140%);
  -webkit-backdrop-filter: blur(12px) saturate(140%);

  color: var(--text-secondary);
}

.about-parent-note svg {
  flex: 0 0 auto;

  width: 18px;
  height: 18px;

  color: var(--accent-primary);
}

.about-parent-note p {
  margin: 0;

  font-size: var(--text-xs);
  line-height: 1.6;
}


/* =========================================================
   PRINCIPLES — "why Tech Sutro"
========================================================= */

.about-principles-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));

  gap: clamp(1rem, 1.6vw, 1.35rem);
}

.about-principle-card {
  position: relative;

  display: flex;
  flex-direction: column;

  min-height: 350px;

  padding: var(--space-6);

  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);

  background: var(--glass-bg);
  box-shadow:
    var(--card-shadow),
    inset 0 1px 0 var(--glass-highlight);

  backdrop-filter: blur(var(--glass-blur)) saturate(140%);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(140%);

  overflow: hidden;

  transition:
    transform var(--transition-slow),
    background var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-base);
}

.about-principle-card:hover {
  transform: translateY(-6px);

  background: var(--card-bg-hover);

  box-shadow:
    var(--card-shadow-hover),
    0 26px 60px -34px var(--accent-glow);
}

.about-principle-number {
  position: absolute;
  z-index: 1;

  top: 1.5rem;
  right: 1.5rem;

  color: transparent;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;

  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  line-height: 1;

  opacity: 0.85;

  transition: opacity var(--transition-base);
}

.about-principle-card:hover .about-principle-number {
  opacity: 1;
}

.about-principle-icon {
  position: relative;
  z-index: 1;

  display: inline-flex;
  align-items: center;
  justify-content: center;

  width: 48px;
  height: 48px;

  margin-bottom: var(--space-8);

  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);

  color: var(--accent-primary);

  background: var(--accent-gradient-soft);
  box-shadow: inset 0 1px 0 var(--glass-highlight);

  transition:
    transform var(--transition-slow),
    border-color var(--transition-base),
    box-shadow var(--transition-base);
}

.about-principle-card:hover .about-principle-icon {
  transform: translateY(-3px);

  border-color: color-mix(in oklab, var(--accent-primary), transparent 42%);

  box-shadow:
    0 0 0 5px color-mix(in oklab, var(--accent-primary), transparent 93%),
    0 0 30px var(--accent-glow);
}

.about-principle-icon svg {
  width: 21px;
  height: 21px;

  stroke-width: 1.6;
}

.about-principle-card h3 {
  position: relative;
  z-index: 1;

  margin: 0;

  font-size: var(--text-lg);
  line-height: 1.3;

  letter-spacing: -0.02em;
}

.about-principle-card > p {
  position: relative;
  z-index: 1;

  margin: 0.75rem 0 0;

  font-size: var(--text-xs);
  line-height: 1.7;
}


/* =========================================================
   WORKING MODEL — aurora-backed glass panel
========================================================= */

.about-working-model {
  position: relative;
  z-index: 0;
}

/* Aurora field glowing behind the glass panel. */
.about-working-model::before {
  content: '';

  position: absolute;
  z-index: -1;

  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);

  width: min(960px, 92%);
  height: min(660px, 96%);

  background:
    radial-gradient(50% 50% at 30% 40%, var(--aurora-1) 0%, transparent 70%),
    radial-gradient(50% 50% at 72% 62%, var(--aurora-2) 0%, transparent 72%),
    radial-gradient(40% 40% at 55% 85%, var(--aurora-3) 0%, transparent 74%);

  filter: blur(40px);

  pointer-events: none;
}

.about-working-model-panel {
  position: relative;

  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.75fr);

  gap: clamp(3rem, 7vw, 7rem);

  padding: clamp(2rem, 5vw, 4rem);

  border: 1px solid var(--glass-border);
  border-radius: var(--radius-2xl);

  background: var(--glass-bg);
  box-shadow:
    var(--card-shadow),
    inset 0 1px 0 var(--glass-highlight);

  backdrop-filter: blur(var(--glass-blur)) saturate(150%);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(150%);

  overflow: hidden;
}

/* Gradient hairline across the panel top. */
.about-working-model-panel::after {
  content: '';

  position: absolute;

  top: 0;
  left: 0;
  right: 0;

  height: 1px;

  background: linear-gradient(
    90deg,
    transparent,
    var(--accent-secondary) 30%,
    var(--accent-primary) 65%,
    transparent
  );

  opacity: 0.6;

  pointer-events: none;
}

.about-working-model-copy {
  position: relative;
  z-index: 1;
}

.about-working-model-copy h2 {
  max-width: 680px;

  margin: 1.1rem 0 1.25rem;

  font-size: clamp(1.95rem, 3.8vw, 3.4rem);
  line-height: 1.03;

  letter-spacing: -0.045em;
  text-wrap: balance;
}

.about-working-model-copy p {
  max-width: 650px;

  margin: 1rem 0 0;

  font-size: 0.92rem;
  line-height: 1.75;
}

.about-working-model-copy p:last-child {
  margin-bottom: 0;
}

.about-working-model-points {
  position: relative;
  z-index: 1;

  display: flex;
  flex-direction: column;

  border-top: 1px solid transparent;
  border-image: linear-gradient(
      90deg,
      color-mix(in oklab, var(--accent-primary), transparent 35%),
      var(--border-subtle) 60%,
      transparent
    )
    1;
}

.about-working-point {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);

  gap: var(--space-4);

  padding: var(--space-5) 0;

  border-bottom: 1px solid var(--border-subtle);
}

.about-working-point:last-child {
  border-bottom: 0;
}

.about-working-point > span {
  display: inline-flex;
  align-items: center;
  justify-content: center;

  width: 40px;
  height: 26px;

  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);

  background: var(--accent-gradient-soft);
  box-shadow: inset 0 1px 0 var(--glass-highlight);

  color: var(--accent-primary);

  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 700;

  letter-spacing: 0.1em;
}

.about-working-point h4 {
  margin: 0;

  color: var(--text-primary);

  font-size: 1rem;
  line-height: 1.3;

  letter-spacing: -0.015em;
}

.about-working-point p {
  margin: 0.35rem 0 0;

  font-size: var(--text-xs);
  line-height: 1.6;
}


/* =========================================================
   PROCESS
========================================================= */

.about-process-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));

  gap: clamp(1rem, 1.6vw, 1.35rem);
}

.about-process-step {
  position: relative;

  display: flex;
  flex-direction: column;

  min-height: 250px;

  padding: var(--space-6);

  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);

  background: var(--glass-bg);
  box-shadow:
    var(--card-shadow),
    inset 0 1px 0 var(--glass-highlight);

  backdrop-filter: blur(var(--glass-blur)) saturate(140%);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(140%);

  overflow: hidden;

  transition:
    transform var(--transition-slow),
    background var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-base);
}

/* Gradient hover ring. */
.about-process-step::before {
  content: '';

  position: absolute;
  inset: 0;

  border-radius: inherit;
  padding: 1px;

  background: var(--accent-gradient);

  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
          mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;

  opacity: 0;

  pointer-events: none;

  transition: opacity var(--transition-base);
}

/* Accent hairline across the step top. */
.about-process-step::after {
  content: '';

  position: absolute;

  top: 0;
  left: 0;
  right: 0;

  height: 1px;

  background: var(--accent-gradient);

  opacity: 0.3;

  pointer-events: none;

  transition: opacity var(--transition-base);
}

.about-process-step:hover {
  transform: translateY(-6px);

  background: var(--card-bg-hover);

  border-color: color-mix(in oklab, var(--accent-primary), transparent 55%);

  box-shadow:
    var(--card-shadow-hover),
    0 24px 56px -32px var(--accent-glow);
}

.about-process-step:hover::before,
.about-process-step:hover::after {
  opacity: 1;
}

.about-process-top {
  display: flex;
  align-items: center;
  justify-content: space-between;

  margin-bottom: var(--space-6);
}

.about-process-top > span {
  color: transparent;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;

  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  line-height: 1;

  opacity: 0.85;

  transition: opacity var(--transition-base);
}

.about-process-step:hover .about-process-top > span {
  opacity: 1;
}

.about-process-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;

  width: 50px;
  height: 50px;

  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);

  color: var(--accent-primary);

  background: var(--accent-gradient-soft);
  box-shadow: inset 0 1px 0 var(--glass-highlight);

  transition:
    transform var(--transition-slow),
    border-color var(--transition-base),
    box-shadow var(--transition-base);
}

.about-process-step:hover .about-process-icon {
  transform: translateY(-3px) scale(1.04);

  border-color: color-mix(in oklab, var(--accent-primary), transparent 42%);

  box-shadow:
    0 0 0 5px color-mix(in oklab, var(--accent-primary), transparent 93%),
    0 0 30px var(--accent-glow);
}

.about-process-icon svg {
  width: 21px;
  height: 21px;

  stroke-width: 1.6;
}

.about-process-label {
  display: block;

  margin-bottom: 0.55rem;

  color: var(--accent-primary);

  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 700;

  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.about-process-step h3 {
  margin: 0;

  font-size: clamp(1.2rem, 1.8vw, 1.4rem);
  line-height: 1.2;

  letter-spacing: -0.025em;
}

.about-process-step p {
  max-width: 34ch;

  margin: 0.65rem 0 0;

  font-size: var(--text-xs);
  line-height: 1.65;
}


/* =========================================================
   TEAM
========================================================= */

.about-team-group + .about-team-group {
  margin-top: var(--space-20);
}

.about-team-group-header {
  position: relative;

  display: flex;
  align-items: flex-end;
  justify-content: space-between;

  gap: var(--space-8);

  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);

  border-bottom: 1px solid var(--border-base);
}

/* Gradient segment anchoring the header rule. */
.about-team-group-header::after {
  content: '';

  position: absolute;

  bottom: -1px;
  left: 0;

  width: 120px;
  height: 1px;

  background: var(--accent-gradient);

  opacity: 0.9;
}

.about-team-group-label {
  display: block;

  margin-bottom: 0.4rem;

  color: var(--accent-primary);

  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 700;

  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.about-team-group-header h3 {
  margin: 0;

  font-size: var(--text-xl);
  line-height: 1.2;

  letter-spacing: -0.025em;
}

.about-team-company {
  color: var(--text-tertiary);

  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;

  text-align: right;
}

/* Technology sub-group — full-width gradient divider above it. */
.about-team-group-tech {
  position: relative;
  padding-top: var(--space-2);
}

.about-team-group-tech::before {
  content: '';

  position: absolute;

  top: 0;
  left: 0;
  right: 0;

  height: 1px;

  background: linear-gradient(
    90deg,
    color-mix(in oklab, var(--accent-secondary), transparent 20%),
    transparent 65%
  );

  opacity: 0.6;
}

.about-team-grid {
  display: grid;

  gap: clamp(1rem, 1.6vw, 1.35rem);
}

.about-team-grid-directors {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.about-team-grid-tech {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.about-team-card {
  position: relative;

  display: flex;
  flex-direction: column;

  min-height: 385px;

  padding: clamp(1.4rem, 2.4vw, 1.85rem);

  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);

  background: var(--glass-bg);
  box-shadow:
    var(--card-shadow),
    inset 0 1px 0 var(--glass-highlight);

  backdrop-filter: blur(var(--glass-blur)) saturate(140%);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(140%);

  overflow: hidden;

  transition:
    transform var(--transition-slow),
    background var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-base);
}

.about-team-card:hover {
  transform: translateY(-6px);

  background: var(--card-bg-hover);

  box-shadow:
    var(--card-shadow-hover),
    0 28px 64px -34px var(--accent-glow);
}

.about-team-card-top {
  position: relative;
  z-index: 2;

  display: flex;
  align-items: center;
  justify-content: space-between;

  margin-bottom: var(--space-5);
}

.about-team-card-top span:first-child {
  color: transparent;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;

  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  line-height: 1;

  opacity: 0.85;
}

.about-team-card-top span:last-child {
  display: inline-flex;
  align-items: center;

  min-height: 26px;
  padding: 0.3rem 0.7rem;

  border: 1px solid var(--border-base);
  border-radius: var(--radius-full);

  color: var(--text-tertiary);

  font-family: var(--font-mono);
  font-size: 0.58rem;
  font-weight: 700;

  letter-spacing: 0.12em;
  text-transform: uppercase;

  transition:
    color var(--transition-base),
    border-color var(--transition-base),
    background var(--transition-base);
}

.about-team-card:hover .about-team-card-top span:last-child {
  color: var(--accent-primary);

  border-color: color-mix(in oklab, var(--accent-primary), transparent 45%);

  background: color-mix(in oklab, var(--accent-primary), transparent 92%);
}

.about-team-avatar {
  position: relative;

  display: flex;
  align-items: center;
  justify-content: center;

  width: 120px;
  height: 120px;

  margin-bottom: var(--space-6);

  border: 1px solid transparent;
  border-radius: var(--radius-full);

  overflow: hidden;

  background:
    linear-gradient(var(--glass-bg), var(--glass-bg)) padding-box,
    var(--accent-gradient) border-box;

  box-shadow:
    inset 0 1px 0 var(--glass-highlight),
    var(--shadow-sm);

  transition:
    transform var(--transition-slow),
    box-shadow var(--transition-slow);
}

/* Inner highlight ring that brightens with the card. */
.about-team-avatar::after {
  content: '';

  position: absolute;
  inset: 0;

  border-radius: inherit;

  border: 1px solid color-mix(in oklab, var(--accent-primary), transparent 65%);

  opacity: 0;

  transition: opacity var(--transition-base);

  pointer-events: none;
}

.about-team-avatar img {
  display: block;

  width: 100%;
  height: 100%;

  border-radius: inherit;

  object-fit: cover;

  transition: transform var(--transition-slow);
}

.about-team-card:hover .about-team-avatar {
  transform: translateY(-4px) scale(1.03);

  box-shadow:
    inset 0 1px 0 var(--glass-highlight),
    0 0 0 5px color-mix(in oklab, var(--accent-primary), transparent 92%),
    0 0 32px var(--accent-glow);
}

.about-team-card:hover .about-team-avatar::after {
  opacity: 1;
}

.about-team-card:hover .about-team-avatar img {
  transform: scale(1.05);
}

.about-team-info {
  position: relative;
  z-index: 1;

  display: flex;
  flex-direction: column;

  margin-top: auto;
}

.about-team-info h4 {
  margin: 0 0 0.4rem;

  font-size: clamp(1.05rem, 1.6vw, 1.2rem);
  line-height: 1.25;

  letter-spacing: -0.025em;
}

.about-team-info p {
  margin: 0;

  font-size: var(--text-xs);
  line-height: 1.6;
}

/* Department as a frosted glass pill. */
.about-team-department {
  display: inline-flex;
  align-self: flex-start;

  margin-top: var(--space-3);
  padding: 0.32rem 0.7rem;

  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);

  background: var(--glass-bg-soft);
  box-shadow: inset 0 1px 0 var(--glass-highlight);

  color: var(--accent-primary);

  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 700;

  letter-spacing: 0.1em;
  text-transform: uppercase;
}


/* =========================================================
   CTA
========================================================= */

.about-cta {
  position: relative;

  padding-top: clamp(5rem, 9vw, 8rem);
}

.about-cta h2 {
  max-width: 820px;

  margin-inline: auto;

  font-size: clamp(2.1rem, 4.8vw, 4.25rem);
  line-height: 1.02;
  letter-spacing: -0.05em;
  text-wrap: balance;
}


/* =========================================================
   SHARED PAGE COMPONENTS (components/about.php + team.php)
========================================================= */

.about-card {
  position: relative;

  display: flex;
  flex-direction: column;

  padding: clamp(1.5rem, 3vw, 2.25rem);

  border: 1px solid var(--glass-border);
  border-radius: var(--card-radius);

  background: var(--glass-bg);
  box-shadow:
    var(--card-shadow),
    inset 0 1px 0 var(--glass-highlight);

  backdrop-filter: blur(var(--glass-blur)) saturate(140%);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(140%);
}

.about-card::after {
  content: '';

  position: absolute;

  top: 0;
  left: 0;
  right: 0;

  height: 1px;

  background: var(--accent-gradient);

  opacity: 0.4;

  pointer-events: none;

  transition: opacity var(--transition-base);
}

.about-card:hover::after {
  opacity: 1;
}

.about-list {
  list-style: none;

  display: grid;
  grid-template-columns: 1fr;
  gap: 0.45rem;

  margin: 0;
  padding: 0;
}

.about-list li {
  position: relative;

  padding-left: 1.1rem;

  color: var(--text-secondary);

  font-size: var(--text-sm);
  line-height: 1.55;
}

.about-list li::before {
  content: '';

  position: absolute;

  top: 0.55em;
  left: 0;

  width: 5px;
  height: 5px;

  border-radius: var(--radius-full);

  background: var(--accent-gradient);
  box-shadow: 0 0 8px var(--accent-glow);
}

.avatar-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;

  flex-shrink: 0;

  width: 56px;
  height: 56px;

  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);

  background: var(--accent-gradient-soft);

  color: var(--accent-primary);

  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 700;
  letter-spacing: 0.04em;

  user-select: none;
}

/* Initials fill the full avatar ring inside team cards. */
.about-team-avatar .avatar-img,
.about-team-avatar .avatar-placeholder {
  width: 100%;
  height: 100%;
  min-width: 0;

  border: 0;
  border-radius: inherit;
}

.about-team-avatar .avatar-placeholder {
  background: transparent;

  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: 0.02em;
}


/* =========================================================
   RESPONSIVE — 1100
========================================================= */

@media (max-width: 1100px) {

  .about-principles-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .about-domain-card {
    min-height: 360px;
  }

}


/* =========================================================
   RESPONSIVE — 900
========================================================= */

@media (max-width: 900px) {

  .about-overview-grid {
    grid-template-columns: 1fr;

    gap: 2rem;
  }

  .about-overview-intro {
    position: static;
  }

  .about-overview::before {
    top: 0;
    right: -10%;
    width: 80%;
    height: 420px;
    opacity: 0.8;
  }

  .about-section-heading {
    grid-template-columns: 1fr;

    gap: 1.25rem;
  }

  .about-capability-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .about-capability-item:nth-child(2) {
    border-right: 0;
  }

  .about-capability-item:nth-child(-n + 2) {
    border-bottom: 1px solid var(--border-base);
  }

  .about-domain-grid,
  .about-partnership-grid {
    grid-template-columns: 1fr;
  }

  .about-working-model-panel {
    grid-template-columns: 1fr;

    gap: 3rem;
  }

  .about-process-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .about-team-grid-directors {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

}


/* =========================================================
   RESPONSIVE — 640
========================================================= */

@media (max-width: 640px) {

  .about-hero {
    padding-top: 4rem;
    padding-bottom: 4.5rem;
  }

  .about-hero h1 {
    font-size: clamp(2.5rem, 13vw, 4rem);
  }

  .about-hero-description {
    font-size: 0.95rem;
  }

  .about-hero-meta {
    justify-content: flex-start;
  }

  .about-hero-meta span {
    font-size: 0.65rem;
  }

  .about-section-heading {
    padding-bottom: var(--space-5);
    background-size: 100% 1px;
  }

  .about-section-heading-centered {
    background-size: min(280px, 75%) 1px;
  }

  .about-overview-intro h2 {
    font-size: 2.3rem;
  }

  .about-overview-content {
    padding: 1.5rem;
    border-radius: var(--radius-xl);
  }

  .about-capability-strip {
    grid-template-columns: 1fr;

    margin-top: 3rem;
  }

  .about-capability-item {
    min-height: 125px;

    border-right: 0 !important;
    border-bottom: 1px solid var(--border-base);
  }

  .about-capability-item:last-child {
    border-bottom: 0;
  }

  .about-domain-card {
    min-height: auto;

    padding: 1.5rem;
  }

  .about-partnership-card {
    padding: 1.5rem;
  }

  .about-principles-grid {
    grid-template-columns: 1fr;
  }

  .about-principle-card {
    min-height: auto;
  }

  .about-working-model-panel {
    padding: 1.5rem;

    border-radius: var(--radius-xl);
  }

  .about-working-model-copy h2 {
    font-size: 2.2rem;
  }

  .about-process-grid {
    grid-template-columns: 1fr;
  }

  .about-process-step {
    min-height: auto;
  }

  .about-team-group + .about-team-group {
    margin-top: var(--space-16);
  }

  .about-team-group-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.75rem;
  }

  .about-team-grid-directors,
  .about-team-grid-tech {
    grid-template-columns: 1fr;
  }

  .about-team-card {
    min-height: 350px;
  }

  .about-team-avatar {
    width: 105px;
    height: 105px;
  }

  .about-parent-note {
    align-items: flex-start;
  }

  .about-cta h2 {
    font-size: 2.3rem;
  }

}


/* =========================================================
   REDUCED MOTION
========================================================= */

@media (prefers-reduced-motion: reduce) {

  .about-hero-meta span,
  .about-capability-item,
  .about-domain-card,
  .about-principle-card,
  .about-process-step,
  .about-team-card,
  .about-team-avatar,
  .about-team-avatar img,
  .about-domain-icon,
  .about-principle-icon,
  .about-partnership-card,
  .about-partnership-icon {
    transition: none;
  }

  .about-hero-meta span:hover,
  .about-domain-card:hover,
  .about-principle-card:hover,
  .about-process-step:hover,
  .about-partnership-card:hover,
  .about-team-card:hover {
    transform: none;
  }

  .about-team-card:hover .about-team-avatar,
  .about-team-card:hover .about-team-avatar img,
  .about-domain-card:hover .about-domain-icon,
  .about-principle-card:hover .about-principle-icon,
  .about-partnership-card:hover .about-partnership-icon,
  .about-process-step:hover .about-process-icon {
    transform: none;
  }

}