/* ═══════════════════════════════════════════════════════════════
   ABOUT.CSS  –  About Me Section (Module 3)
   Jeeva Sivan Portfolio | Dark Futuristic Developer Theme
   ═══════════════════════════════════════════════════════════════ */

/* ─── Section wrapper ────────────────────────────────────────── */
.about-content {
  padding-block: var(--sp-24);
}

/* ─── Section header ─────────────────────────────────────────── */
.about-header {
  margin-bottom: var(--sp-16);
}

/* ─── Two-column grid ────────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: clamp(32px, 4vw, 64px);
  align-items: start;
}

/* ═══════════════════════════════════════════════════════════════
   LEFT COLUMN
   ═══════════════════════════════════════════════════════════════ */
.about-left {
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
}

/* ── Identity card ── */
.about-identity-card {
  padding: var(--sp-6);
  display: flex;
  align-items: center;
  gap: var(--sp-5);
  position: relative;
}

/* Corner accent marks reused from global glass-card pattern */
.about-identity-corner {
  position: absolute;
  width: 16px;
  height: 16px;
  pointer-events: none;
}

.about-identity-corner-tl {
  top: 0;
  left: 0;
  border-top: 2px solid var(--clr-cyan);
  border-left: 2px solid var(--clr-cyan);
  border-radius: var(--radius-xl) 0 0 0;
}

.about-identity-corner-br {
  bottom: 0;
  right: 0;
  border-bottom: 2px solid var(--clr-cyan);
  border-right: 2px solid var(--clr-cyan);
  border-radius: 0 0 var(--radius-xl) 0;
}

/* ── Avatar (JS initials + spinning rings) ── */
.about-avatar {
  position: relative;
  flex-shrink: 0;
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-avatar-initials {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: var(--fw-black);
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, #60a5fa, #06b6d4, #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 0 10px rgba(6, 182, 212, 0.5));
}

.about-avatar-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1.5px solid transparent;
}

.about-avatar-ring-1 {
  border-top-color: rgba(96, 165, 250, 0.7);
  border-right-color: rgba(96, 165, 250, 0.15);
  animation: aboutSpinCW 4s linear infinite;
}

.about-avatar-ring-2 {
  inset: -9px;
  border-bottom-color: rgba(6, 182, 212, 0.5);
  border-left-color: rgba(6, 182, 212, 0.12);
  animation: aboutSpinCCW 6s linear infinite;
}

@keyframes aboutSpinCW  { to { transform: rotate(360deg);  } }
@keyframes aboutSpinCCW { to { transform: rotate(-360deg); } }

/* ── Identity text ── */
.about-identity-info {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
}

.about-identity-name {
  font-size: var(--fs-xl);
  font-weight: var(--fw-bold);
  color: var(--clr-text-primary);
  letter-spacing: -0.01em;
}

.about-identity-role {
  font-size: var(--fs-sm);
  color: var(--clr-cyan-bright);
  font-weight: var(--fw-medium);
}

.about-identity-location {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  font-size: var(--fs-xs);
  color: var(--clr-text-muted);
  font-family: var(--font-mono);
  margin-top: var(--sp-1);
}

.about-identity-location svg {
  flex-shrink: 0;
  color: var(--clr-blue-bright);
}

/* ── Summary card ── */
.about-summary-card {
  padding: var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.about-card-title {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--fs-base);
  font-weight: var(--fw-semibold);
  color: var(--clr-blue-bright);
}

.about-card-title svg {
  flex-shrink: 0;
  color: var(--clr-blue-bright);
}

.about-summary-text {
  font-size: var(--fs-sm);
  color: rgba(148, 163, 184, 0.9);
  line-height: var(--lh-relaxed);
}

/* ═══════════════════════════════════════════════════════════════
   RIGHT COLUMN
   ═══════════════════════════════════════════════════════════════ */
.about-right {
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
}

/* ── Focus area card grid (3 cards) ── */
.about-focus-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-4);
}

.about-focus-card {
  padding: var(--sp-5) var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  position: relative;
  overflow: hidden;
}

/* Top shimmer line (revealed on hover via parent .card::before) */

.about-focus-icon {
  font-size: 1.4rem;
  line-height: 1;
}

.about-focus-title {
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  color: var(--clr-text-primary);
  line-height: var(--lh-snug);
}

.about-focus-desc {
  font-size: var(--fs-xs);
  color: var(--clr-text-secondary);
  line-height: var(--lh-relaxed);
}

/* ── Education highlight card ── */
.about-edu-card {
  padding: var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
  background: linear-gradient(
    135deg,
    rgba(10, 22, 40, 0.9) 0%,
    rgba(15, 31, 61, 0.7) 100%
  );
  border-color: rgba(96, 165, 250, 0.2);
}

.about-edu-card:hover {
  border-color: rgba(96, 165, 250, 0.4);
  box-shadow: 0 8px 32px rgba(0,0,0,0.5), var(--glow-blue);
}

/* Header row */
.about-edu-header {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-4);
}

.about-edu-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--clr-blue-bright);
}

.about-edu-label {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--clr-cyan);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--sp-1);
}

.about-edu-degree {
  font-size: var(--fs-base);
  font-weight: var(--fw-semibold);
  color: var(--clr-text-primary);
  line-height: var(--lh-snug);
}

/* Details grid */
.about-edu-details {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  padding-top: var(--sp-4);
  border-top: 1px solid rgba(59, 130, 246, 0.1);
}

.about-edu-detail {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
}

.about-edu-detail-label {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--clr-text-muted);
  letter-spacing: 0.06em;
  flex-shrink: 0;
}

.about-edu-detail-value {
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--clr-text-primary);
  text-align: right;
}

/* CGPA highlight */
.about-edu-cgpa {
  font-family: var(--font-mono);
  font-size: var(--fs-lg);
  font-weight: var(--fw-black);
  background: linear-gradient(135deg, var(--clr-blue-bright), var(--clr-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 8px rgba(6, 182, 212, 0.4));
}

/* ═══════════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════════ */

/* ── Tablet (≤ 1100px) – collapse focus grid to 1 col each row -- */
@media (max-width: 1100px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--sp-10);
  }

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

/* ── Tablet-portrait (≤ 768px) ── */
@media (max-width: 768px) {
  .about-content {
    padding-block: var(--sp-16);
  }

  .about-focus-grid {
    grid-template-columns: 1fr;
    gap: var(--sp-3);
  }

  .about-focus-card {
    flex-direction: row;
    align-items: flex-start;
    gap: var(--sp-4);
  }

  .about-focus-icon {
    margin-top: 2px;
    flex-shrink: 0;
  }

  .about-focus-title,
  .about-focus-desc {
    margin: 0;
  }
}

/* ── Mobile (≤ 540px) ── */
@media (max-width: 540px) {
  .about-identity-card {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--sp-4);
  }

  .about-edu-header {
    flex-direction: column;
    gap: var(--sp-3);
  }

  .about-edu-degree {
    font-size: var(--fs-sm);
  }

  .about-edu-detail {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--sp-1);
  }

  .about-edu-detail-value {
    text-align: left;
  }
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
  .about-avatar-ring {
    animation: none !important;
  }
}