/* about/about.css — page-specific styles for the About page */

/* Hero */
.subpage-hero {
  min-height: 50vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: 140px;
  padding-bottom: 60px;
  position: relative;
}
.subpage-hero-inner { max-width: 720px; }
.subpage-hero h1 {
  font-size: clamp(3rem, 8vw, 6rem);
  line-height: 0.92;
  letter-spacing: -0.07em;
  margin: 18px 0 20px;
  background: linear-gradient(135deg, #fff 0%, var(--primary-2) 45%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Intro paragraph */
.about-content { padding-top: 0; }
.about-intro {
  max-width: 720px;
  margin: 0 auto 60px;
  text-align: center;
}
.about-intro p {
  font-size: 1.15rem;
  line-height: 1.8;
  color: var(--muted);
}

/* About foundations grid */
.about-foundations {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

/* About card */
.about-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: linear-gradient(145deg, var(--panel-strong), rgba(255,255,255,0.04));
  box-shadow: var(--shadow);
  overflow: hidden;
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 0;
  transform-style: preserve-3d;
  transition: transform 0.2s ease, border-color 0.3s ease;
}
.about-card:hover { border-color: rgba(0,231,255,0.35); }

/* Spinning border */
.about-card::before {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  background: conic-gradient(from 180deg, transparent, rgba(0,231,255,0.28), transparent, rgba(124,92,255,0.28), transparent);
  animation: spin 8s linear infinite;
  z-index: -1;
  opacity: 0;
  transition: opacity 0.4s ease;
}
.about-card::after {
  content: "";
  position: absolute;
  inset: 1px;
  border-radius: calc(var(--radius-xl) - 2px);
  background: rgba(8, 12, 30, 0.86);
  z-index: 0;
}
[data-theme="light"] .about-card::after { background: rgba(245,248,255,0.92); }
.about-card:hover::before { opacity: 1; }

/* Large background number */
.about-card-num {
  position: absolute;
  top: 24px;
  right: 28px;
  font-size: 5rem;
  font-weight: 900;
  letter-spacing: -0.08em;
  color: rgba(255,255,255,0.04);
  line-height: 1;
  pointer-events: none;
  z-index: 1;
  user-select: none;
}
[data-theme="light"] .about-card-num { color: rgba(0,0,0,0.04); }

.about-card .card-affiliation,
.about-card .about-card-body,
.about-card .card-glow { position: relative; z-index: 1; }

.about-card .card-affiliation { margin-bottom: 16px; }

.about-card-body {}
.about-card h2 {
  font-size: 2rem;
  margin-bottom: 14px;
  letter-spacing: -0.04em;
}
.about-card p {
  color: var(--muted);
  line-height: 1.75;
  margin-bottom: 28px;
}
.about-card .card-category {
  display: inline-flex;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.about-card:nth-child(1) .card-category {
  background: rgba(124,92,255,0.12);
  color: #a08aff;
}
.about-card:nth-child(2) .card-category {
  background: rgba(40,255,191,0.10);
  color: var(--accent);
}

/* Core Pillars section */
.about-pillars {
  max-width: 860px;
  margin: 0 auto 64px;
}
.pillars-heading {
  font-size: clamp(1.4rem, 3vw, 2rem);
  letter-spacing: -0.04em;
  margin-bottom: 40px;
  text-align: center;
  background: linear-gradient(135deg, #fff 0%, var(--primary-2) 60%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
[data-theme="light"] .pillars-heading {
  background: linear-gradient(135deg, #1a1a2e 0%, var(--primary-2) 60%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.pillar-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}
.pillar-item {
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: linear-gradient(145deg, var(--panel-strong), rgba(255,255,255,0.03));
  padding: 30px 28px;
  transition: border-color 0.3s ease;
}
.pillar-item:hover { border-color: rgba(0,231,255,0.3); }
.pillar-item h3 {
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
  color: var(--text);
}
.pillar-item p {
  font-size: 0.97rem;
  color: var(--muted);
  line-height: 1.75;
  margin: 0;
}

/* Narrative body */
.about-narrative {
  max-width: 720px;
  margin: 0 auto;
}
.about-narrative p {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--muted);
  margin-bottom: 24px;
}
.about-narrative p:last-child { margin-bottom: 0; }

@media (max-width: 720px) {
  .about-foundations { grid-template-columns: 1fr; }
  .pillar-list { grid-template-columns: 1fr; gap: 16px; }
}

@media (max-width: 560px) {
  .subpage-hero {
    min-height: auto;
    padding-top: 104px;
    padding-bottom: 36px;
  }
  .subpage-hero h1 {
    font-size: clamp(2rem, 7.5vw, 3.2rem);
    letter-spacing: -0.04em;
    margin: 12px 0 16px;
    overflow-wrap: break-word;
    hyphens: auto;
  }
  .about-intro {
    margin-bottom: 40px;
  }
  .about-intro p {
    font-size: 1rem;
    line-height: 1.7;
  }
  .about-pillars {
    margin-bottom: 44px;
  }
  .pillars-heading {
    font-size: clamp(1.3rem, 5vw, 1.65rem);
    margin-bottom: 24px;
  }
  .pillar-item {
    padding: 20px 18px;
    border-radius: var(--radius-lg);
  }
  .pillar-item h3 {
    font-size: 1rem;
    margin-bottom: 10px;
  }
  .pillar-item p {
    font-size: 0.92rem;
    line-height: 1.65;
  }
  .about-narrative p {
    font-size: 0.96rem;
    line-height: 1.75;
    margin-bottom: 18px;
  }
}

@media (max-width: 400px) {
  .subpage-hero {
    padding-top: 96px;
    padding-bottom: 28px;
  }
  .subpage-hero h1 {
    font-size: clamp(1.75rem, 7vw, 2.2rem);
  }
  .pillar-item {
    padding: 18px 14px;
    border-radius: 16px;
  }
}