/* =============================================
   ABOUT.CSS — Bio, Timeline, Skills, Stats
   ============================================= */

/* ── BIO SECTION ─────────────────────────── */
#bio { padding: var(--space-lg) 0; }

.bio-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: clamp(40px, 6vw, 80px);
}

.bio-image {
  flex: 1 1 300px;
  max-width: 100%;
}

.bio-img-wrap {
  width: 100%;
  height: 100%;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  position: relative;
}
.bio-img-wrap img { width: 100%; height: 100%; object-fit: cover; object-position: center top; }

.bio-img-tag {
  position: absolute;
  bottom: clamp(10px, 2vw, 20px);
  left: 50%;
  transform: translateX(-50%);
  background: rgba(17,19,24,0.9);
  border: 1px solid var(--border-accent);
  color: var(--accent);
  font-size: clamp(0.7rem, 1vw, 0.78rem);
  font-weight: 700;
  padding: 6px 16px;
  border-radius: 50px;
  white-space: nowrap;
}

.bio-text { flex: 2 1 400px; min-width: 0; }
.bio-text .section-tag { margin-bottom: 8px; }
.bio-text .section-title { margin-bottom: 20px; }

.bio-desc {
  font-size: clamp(0.9rem, 1.5vw, 0.95rem);
  font-weight: 300;
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 16px;
}

.bio-resume { margin-top: clamp(20px, 3vw, 32px); }

/* ── STATS ───────────────────────────────── */
#stats { padding: var(--space-md) 0; background: var(--bg-surface); }

.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 2px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--border); /* To show gap as border */
}

.stat-box {
  padding: clamp(20px, 3vw, 36px) clamp(14px, 2vw, 24px);
  text-align: center;
  background: var(--bg-card);
  transition: background var(--transition);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.stat-box:hover { background: var(--bg-hover); }

.stat-number {
  display: block;
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: clamp(0.7rem, 1vw, 0.8rem);
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ── WORK EXPERIENCE TIMELINE ─────────────────── */
#experience { padding: var(--space-lg) 0; }

.exp-timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: clamp(30px, 4vw, 56px);
}

/* ── Each row ─────────────────────────────────── */
.exp-item {
  display: grid;
  grid-template-columns: clamp(40px, 6vw, 56px) 1fr;
  gap: 0 clamp(16px, 3vw, 28px);
  position: relative;
}

/* ── Spine column (dot + line) ────────────────── */
.exp-spine {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.exp-dot {
  width: clamp(40px, 5vw, 52px);
  height: clamp(40px, 5vw, 52px);
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: clamp(0.85rem, 1.5vw, 1.05rem);
  color: var(--accent);
  flex-shrink: 0;
  position: relative;
  z-index: 2;
  box-shadow: 0 0 0 6px rgba(245,158,11,0.1);
  transition: box-shadow 0.4s ease, background 0.4s ease;
}

.exp-item:hover .exp-dot {
  background: var(--accent);
  color: #000;
  box-shadow: 0 0 0 10px rgba(245,158,11,0.15), 0 0 24px rgba(245,158,11,0.4);
}

.exp-line {
  flex: 1;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent) 0%, rgba(245,158,11,0.1) 100%);
  margin: 8px 0;
  min-height: 40px;
}

/* ── Card ─────────────────────────────────────── */
.exp-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: clamp(20px, 3vw, 32px) clamp(20px, 3vw, 36px);
  margin-bottom: clamp(24px, 4vw, 32px);
  position: relative;
  overflow: hidden;
  transition: border-color 0.4s ease, box-shadow 0.4s ease, transform 0.4s ease;
}

.exp-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), #fcd34d, transparent);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.exp-item:hover .exp-card {
  border-color: rgba(245,158,11,0.35);
  box-shadow: 0 16px 48px rgba(0,0,0,0.4), 0 0 0 1px rgba(245,158,11,0.12);
  transform: translateY(-4px);
}

.exp-item:hover .exp-card::before { opacity: 1; }

/* ── Card Header ──────────────────────────────── */
.exp-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.exp-role {
  font-size: clamp(1.1rem, 2vw, 1.25rem);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 6px;
  letter-spacing: -0.3px;
}

.exp-company {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: clamp(0.8rem, 1.5vw, 0.88rem);
  font-weight: 600;
  color: var(--accent);
}

.exp-company i { font-size: 0.78rem; }

.exp-date {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: clamp(0.7rem, 1vw, 0.78rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--text-muted);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  padding: 6px 14px;
  border-radius: 50px;
  white-space: nowrap;
  flex-shrink: 0;
}

.exp-date i { color: var(--accent); }

/* ── Bullet list ──────────────────────────────── */
.exp-bullets {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.exp-bullets li {
  font-size: clamp(0.85rem, 1.5vw, 0.9rem);
  color: var(--text-secondary);
  line-height: 1.7;
  padding-left: 20px;
  position: relative;
}

.exp-bullets li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.7;
}

/* ── Tech tags ────────────────────────────────── */
.exp-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.exp-tags span {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 12px;
  background: var(--accent-dim);
  color: var(--accent);
  border-radius: 50px;
  letter-spacing: 0.3px;
  border: 1px solid rgba(245,158,11,0.2);
}

/* ── SKILLS PRO (About Page) ──────────────────── */
#full-skills { padding: var(--space-lg) 0; background: var(--bg-surface); }

.skills-pro-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: clamp(20px, 3vw, 28px);
  margin-top: clamp(30px, 4vw, 56px);
}

/* ── Category Card ────────────────────────────── */
.skill-pro-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: clamp(20px, 3vw, 30px);
  transition: border-color 0.4s ease, box-shadow 0.4s ease, transform 0.4s ease;
  position: relative;
  overflow: hidden;
}

.skill-pro-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), #fcd34d, transparent);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.skill-pro-card:hover {
  border-color: rgba(245,158,11,0.25);
  box-shadow: 0 16px 48px rgba(0,0,0,0.35), 0 0 0 1px rgba(245,158,11,0.1);
  transform: translateY(-4px);
}
.skill-pro-card:hover::before { opacity: 1; }

/* ── Card Header ──────────────────────────────── */
.skill-pro-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.skill-pro-icon-wrap {
  width: 48px; height: 48px;
  border-radius: 14px;
  background: color-mix(in srgb, var(--cat-color) 15%, transparent);
  border: 1px solid color-mix(in srgb, var(--cat-color) 30%, transparent);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.15rem;
  color: var(--cat-color);
  flex-shrink: 0;
}

.skill-pro-header h3 {
  font-size: clamp(0.9rem, 1.5vw, 1rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 3px;
}

.skill-pro-count {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

/* ── Skill Row ────────────────────────────────── */
.skill-pro-row {
  margin-bottom: 20px;
}
.skill-pro-row:last-child { margin-bottom: 0; }

.skill-pro-label {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 9px;
}

.skill-pro-label img {
  width: 20px; height: 20px;
  object-fit: contain;
  flex-shrink: 0;
}

.skill-fa-icon {
  width: 20px;
  font-size: 0.88rem;
  color: var(--accent);
  text-align: center;
  flex-shrink: 0;
}

.skill-pro-label span {
  font-size: clamp(0.8rem, 1.5vw, 0.88rem);
  font-weight: 600;
  color: var(--text-primary);
  flex: 1;
}

/* ── Bar Row ──────────────────────────────────── */
.skill-pro-bar-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}

.skill-pro-bar {
  flex: 1;
  height: 8px;
  background: rgba(255,255,255,0.05);
  border-radius: 50px;
  overflow: hidden;
  position: relative;
}

.skill-pro-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent) 0%, #fde68a 100%);
  border-radius: 50px;
  position: relative;
  box-shadow: 0 0 10px rgba(245,158,11,0.35);
  transition: width 1.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Shimmer sweep */
.bar-shine {
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.35), transparent);
  border-radius: 50px;
  animation: none;
}
.bar-shine.animate {
  animation: barShimmer 0.7s ease-in-out 1.2s forwards;
}
@keyframes barShimmer {
  0%   { left: -50%; opacity: 1; }
  100% { left: 120%;  opacity: 0; }
}

/* Percentage display */
.skill-pro-pct {
  font-size: clamp(0.75rem, 1.2vw, 0.85rem);
  font-weight: 800;
  color: var(--accent);
  min-width: 24px;
  text-align: right;
  font-variant-numeric: tabular-nums;
}
.pct-sym {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-muted);
}

/* ══════════════════════════════════════════════════
   TECHNOLOGIES & TOOLS
   ══════════════════════════════════════════════════ */
#tech-tools { padding: var(--space-lg) 0; background: var(--bg-surface); }

/* 2-col outer grid */
.tech-cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: clamp(20px, 3vw, 28px);
}

/* Category card */
.tech-cat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: clamp(20px, 3vw, 30px);
  transition: border-color 0.4s ease, box-shadow 0.4s ease, transform 0.4s ease;
  position: relative;
  overflow: hidden;
}

.tech-cat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), #fcd34d, transparent);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.tech-cat-card:hover {
  border-color: rgba(245,158,11,0.3);
  box-shadow: 0 16px 48px rgba(0,0,0,0.35);
  transform: translateY(-4px);
}

.tech-cat-card:hover::before { opacity: 1; }

/* Card header */
.tech-cat-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border);
}

.tech-cat-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: color-mix(in srgb, var(--tc) 15%, transparent);
  border: 1px solid color-mix(in srgb, var(--tc) 30%, transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--tc);
  flex-shrink: 0;
}

.tech-cat-header h3 {
  font-size: clamp(0.9rem, 1.5vw, 1rem);
  font-weight: 700;
  color: var(--text-primary);
}

/* Icon chip grid inside each card */
.tech-icon-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tech-icon-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 50px;
  cursor: default;
  transition: border-color 0.3s ease,
              background 0.3s ease,
              transform 0.3s ease,
              box-shadow 0.3s ease;
}

.tech-icon-chip:hover {
  border-color: var(--accent);
  background: var(--accent-dim);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(245,158,11,0.15);
}

.tech-icon-chip img {
  width: clamp(18px, 2vw, 22px);
  height: clamp(18px, 2vw, 22px);
  object-fit: contain;
  flex-shrink: 0;
}

/* GitHub logo needs lightening on dark bg */
.tech-icon-chip img[alt="GitHub"] {
  filter: invert(1) brightness(0.85);
}

.tech-icon-chip span {
  font-size: clamp(0.75rem, 1.2vw, 0.82rem);
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
}

/* ── CERTIFICATIONS ────────────────────────── */
#certifications { padding: var(--space-lg) 0; }

.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: clamp(16px, 3vw, 24px);
  margin-top: clamp(30px, 4vw, 48px);
}

.cert-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.cert-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-5px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}

.cert-card-img {
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}
.cert-card-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.cert-card:hover .cert-card-img img { transform: scale(1.05); }

.cert-card-body {
  padding: clamp(16px, 3vw, 24px);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.cert-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}
.cert-tech span {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 3px 10px;
  background: var(--accent-dim);
  color: var(--accent);
  border-radius: 50px;
  letter-spacing: 0.3px;
}

.cert-card-body h3 {
  font-size: clamp(0.95rem, 1.5vw, 1.05rem);
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.cert-card-body p {
  font-size: clamp(0.8rem, 1.2vw, 0.85rem);
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 24px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.cert-card-links {
  display: flex;
  gap: 12px;
  margin-top: auto;
  flex-wrap: wrap;
}
.cert-card-links a {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: clamp(0.75rem, 1.2vw, 0.8rem);
  font-weight: 600;
  padding: 10px;
  border-radius: 6px;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
.cert-card-links .primary-link {
  background: var(--accent);
  color: #000;
}
.cert-card-links .primary-link:hover {
  background: #d97706; /* slightly darker amber */
}
.cert-card-links .outline-link {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}
.cert-card-links .outline-link:hover {
  border-color: var(--text-primary);
}

/* ── CERTIFICATE MODAL ───────────────────── */
.cert-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(10px, 2vw, 20px);
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.cert-modal.active {
  visibility: visible;
  opacity: 1;
}

.cert-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(8px);
}

.cert-modal-content {
  position: relative;
  z-index: 10000;
  max-width: 900px;
  width: 100%;
  border-radius: 12px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
  transform: scale(0.95);
  transition: transform 0.3s ease;
}

.cert-modal.active .cert-modal-content {
  transform: scale(1);
}

#cert-modal-img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
}

.cert-modal-close {
  position: absolute;
  top: clamp(8px, 2vw, 16px);
  right: clamp(8px, 2vw, 16px);
  width: clamp(36px, 4vw, 44px);
  height: clamp(36px, 4vw, 44px);
  background: rgba(10, 10, 10, 0.7);
  color: #fff;
  border: none;
  border-radius: 50%;
  font-size: clamp(1rem, 2vw, 1.2rem);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s ease, color 0.3s ease;
  z-index: 10001;
}

.cert-modal-close:hover {
  background: var(--accent);
  color: #000;
}

/* -- CURRENTLY LEARNING -------------------- */
#learning { padding: var(--space-md) 0; }

.learning-inner { text-align: center; }
.learning-inner .section-title { margin-bottom: 12px; }
.learning-inner .section-subtitle { margin: 0 auto clamp(24px, 4vw, 44px); }

.learning-chips {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
}

.learning-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: clamp(12px, 2vw, 16px) clamp(16px, 3vw, 24px);
  transition: border-color var(--transition), transform var(--transition);
}
.learning-chip:hover {
  border-color: var(--border-accent);
  transform: translateY(-3px);
}
.learning-chip img { width: clamp(24px, 3vw, 28px); height: clamp(24px, 3vw, 28px); object-fit: contain; }
.learning-chip span {
  font-size: clamp(0.8rem, 1.5vw, 0.88rem);
  font-weight: 600;
  color: var(--text-primary);
}

/* ── RESPONSIVE ──────────────────────────── */

@media (max-width: 900px) {
  .bio-inner { flex-direction: column; text-align: center; }
  .bio-image { margin: 0 auto; max-width: 320px; width: 100%; }
  .bio-img-wrap { height: auto; aspect-ratio: 3/4; }
  .bio-desc { margin-left: auto; margin-right: auto; }
}

@media (max-width: 480px) {
  .stats-row { grid-template-columns: 1fr; }
  .cert-card-links { flex-direction: column; }
}