/* components.css — Buttons, cards, badges, chips, experience details */

/* ── Profile Photo ────────────────────────────────── */
.about-photo-wrapper {
  margin-bottom: var(--space-6);
}

.about-photo-container {
  position: relative;
  width: 260px;
  height: 260px;
  margin: 0 0 var(--space-6);
}

/* Subtle top-glow gradient border */
.about-photo-ring {
  position: absolute;
  inset: -1px;
  border-radius: calc(var(--radius-xl) + 1px);
  background: linear-gradient(to right, transparent, var(--accent-sf) 20%, var(--accent) 50%, var(--accent-glow) 80%, transparent);
  /* Use a mask to only show the top edge */
  -webkit-mask: linear-gradient(to bottom, #fff 0%, transparent 20%);
  mask: linear-gradient(to bottom, #fff 0%, transparent 20%);
  z-index: 0;
  opacity: 0.7;
}

.about-photo-img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  background: var(--bg-card);
  display: block;
}

/* Glow halo */
.about-photo-container::after {
  content: '';
  position: absolute;
  inset: -24px;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, var(--accent-glow), transparent 65%);
  z-index: -1;
  opacity: 0.5;
  animation: float 6s ease-in-out infinite;
}

/* Status badge on photo */
.about-photo-badge {
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--bg-card);
  border: 1px solid var(--border-accent);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  white-space: nowrap;
  box-shadow: 0 4px 16px rgba(0,0,0,0.4);
}
.about-photo-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse-glow 2s ease-in-out infinite;
  flex-shrink: 0;
}

/* ── Buttons ──────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-7);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition:
    background var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out),
    color var(--dur-fast) var(--ease-out),
    transform var(--dur-fast) var(--ease-out),
    box-shadow var(--dur-base) var(--ease-out);
  border: 1px solid transparent;
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
}
.btn:active { transform: scale(0.97); }

.btn-primary {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
  font-weight: 700;
}
.btn-primary:hover {
  background: #fff;
  border-color: #fff;
  box-shadow: 0 0 28px var(--accent-glow);
  transform: translateY(-2px);
}

/* ── Hero CTA: Chat with AI Agent, AVA — primary/brand ─ */
.btn-ava {
  background: var(--accent);
  color: #000;
  border: 1.5px solid var(--accent);
  font-weight: 700;
  position: relative;
  overflow: hidden;
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}
.btn-ava > * { position: relative; z-index: 1; }
.btn-ava::after {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.22) 50%, transparent 100%);
  transition: left 0.55s ease;
  z-index: 0;
}
.btn-ava:hover {
  background: #fff;
  border-color: #fff;
  color: #000;
  transform: translateY(-3px);
  box-shadow: 0 8px 32px var(--accent-glow);
}
.btn-ava:hover::after { left: 110%; }

/* AI agent icon — continuous subtle oscillation */
.ai-agent-icon {
  flex-shrink: 0;
  transform-origin: center;
  animation: ai-agent-orbit 3.5s ease-in-out infinite;
}
@keyframes ai-agent-orbit {
  0%   { transform: rotate(0deg);     opacity: 1;    }
  20%  { transform: rotate(20deg);    opacity: 0.75; }
  40%  { transform: rotate(0deg);     opacity: 1;    }
  60%  { transform: rotate(-20deg);   opacity: 0.75; }
  80%  { transform: rotate(0deg);     opacity: 1;    }
  100% { transform: rotate(0deg);     opacity: 1;    }
}

/* ── Hero CTA: View Resume — ghost/secondary ────── */
.btn-resume {
  background: transparent;
  color: var(--accent);
  border: 1.5px solid var(--accent);
  font-weight: 600;
  padding: var(--space-4) var(--space-10);
  font-size: var(--text-base);
}
.btn-resume:hover {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px var(--accent-glow);
}

.btn-outline {
  background: transparent;
  color: var(--ink);
  border-color: var(--border-strong);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--ink-muted);
  border-color: transparent;
}
.btn-ghost:hover { color: var(--accent); background: var(--accent-soft); }

.btn-icon {
  padding: var(--space-3);
  width: 42px;
  height: 42px;
}
.btn svg { width: 18px; height: 18px; flex-shrink: 0; }

/* ── Cert Cards ───────────────────────────────────── */


/* Background layer that covers the center of the glow */
.cert-front::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--bg-card);
  border-radius: inherit;
  z-index: 1;
}

/* Glowing layer that sits behind the background */
.cert-front::after {
  content: '';
  position: absolute;
  inset: calc(-1 * var(--glow-border-width));
  border-radius: inherit;
  background: var(--gradient);
  background-attachment: fixed;
  opacity: var(--active);
  transition: opacity 0.3s ease;
  pointer-events: none;
  z-index: 0;
  
  /* Simple pie slice mask, no composite trickery needed */
  -webkit-mask: conic-gradient(from calc((var(--start) - var(--spread)) * 1deg), transparent 0deg, #fff, transparent calc(var(--spread) * 2deg));
  mask: conic-gradient(from calc((var(--start) - var(--spread)) * 1deg), transparent 0deg, #fff, transparent calc(var(--spread) * 2deg));
}

.cert-card:hover:not(.is-expanded) {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 217, 255, 0.15);
}

.cert-icon {
  width: 100%;
  height: 100%;
  background: var(--accent-soft);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  position: relative;
  z-index: 2;
  padding: var(--space-2);
}
.cert-icon img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}
.cert-icon svg { width: 22px; height: 22px; }

.cert-category {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--ink-subtle);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  position: relative;
  z-index: -1;
}

.cert-name {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--ink);
  line-height: 1.4;
  position: relative;
  z-index: -1;
}

.cert-year {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--accent);
  position: relative;
  z-index: -1;
}

/* ── Experience Detail Card ───────────────────────── */
/* Plain wrapper only (kept as the GSAP slide-in animation target) — no
   background/border of its own, so each role below is the only visible box. */
.exp-detail-card {
  position: relative;
}

/* Vertical role list: title, date+duration, location, and a compact
   skill-chip row per role (no long descriptions). */
.exp-role-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.exp-role-card {
  background: color-mix(in srgb, var(--bg-card) 88%, #000 12%);
  border: 1px solid color-mix(in srgb, var(--era-color, var(--border)) 30%, var(--border) 70%);
  border-radius: 12px;
  padding: var(--space-5) var(--space-6);
  padding-left: calc(var(--space-6) + 3px);
  position: relative;
  overflow: hidden;
  transition:
    border-color var(--dur-base) var(--ease-out),
    box-shadow var(--dur-slow) var(--ease-out),
    transform var(--dur-base) var(--ease-out);
}
.exp-role-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--era-color, var(--accent));
  opacity: 0.8;
}
.exp-entry.active .exp-role-card {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--era-color, var(--accent)) 45%, var(--border) 55%);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.28);
}
.exp-role-title {
  font-size: var(--text-base);
  font-weight: 650;
  color: var(--ink);
  letter-spacing: -0.01em;
  margin-bottom: var(--space-1);
}
.exp-role-meta {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--ink-muted);
  letter-spacing: 0.02em;
}
.exp-role-location {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--ink-subtle);
  margin-top: 2px;
}
.exp-role-chip-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
}
.exp-role-chip {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--ink-muted);
  letter-spacing: 0.02em;
}
.exp-role-chip-more {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--ink-subtle);
}

.exp-company-block {
  width: 100%;
}

.exp-company-summary {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin: 0 0 var(--space-3);
}

.exp-company-summary-left {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
}

.exp-company-name-block {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.exp-company-name-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.exp-company-name {
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.exp-company-mode {
  display: inline-flex;
  align-items: center;
  height: 22px;
  padding: 0 10px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--ink-subtle);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.exp-company-tenure {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-subtle);
  letter-spacing: 0.04em;
  transition: color var(--dur-fast) var(--ease-out);
}

.exp-entry.active .exp-company-tenure {
  color: var(--era-color, var(--accent));
}

.exp-company-logo-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  min-width: 40px;
  padding: 6px 10px;
  border-radius: 8px;
  background: #fff;
  border: 1px solid rgba(0, 0, 0, 0.08);
}

.exp-company-logo {
  display: block;
  width: auto;
  max-width: 126px;
  height: 18px;
}

.exp-company-logo-accenture { height: 16px; }
.exp-company-logo-ey { height: 19px; }
.exp-company-logo-wipro { height: 15px; }
.exp-company-logo-hpe { height: 15px; }
.exp-company-logo-salesforce { height: 18px; }

.tech-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.tech-chip {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--ink-muted);
  letter-spacing: 0.02em;
  transition:
    border-color var(--dur-fast) var(--ease-out),
    color var(--dur-fast) var(--ease-out),
    background var(--dur-fast) var(--ease-out);
}
.tech-chip:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

@media (max-width: 480px) {
  .exp-company-summary {
    align-items: flex-start;
  }

  .exp-company-logo-wrap {
    min-height: 34px;
    min-width: 34px;
    padding: 4px 8px;
  }

  .exp-company-logo {
    max-width: 94px;
    height: 14px;
  }

  .exp-company-name {
    font-size: var(--text-xl);
  }
}

/* ── Skill Axis Card ──────────────────────────────── */
.skill-axis-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition:
    border-color var(--dur-base) var(--ease-out),
    transform var(--dur-base) var(--ease-out);
}
.skill-axis-card:hover {
  transform: translateY(-4px);
}

.skill-axis-header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}
.skill-axis-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.skill-axis-icon svg { width: 24px; height: 24px; }

.skill-axis-title {
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.02em;
}
.skill-axis-subtitle {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--ink-subtle);
  margin-top: 2px;
  letter-spacing: 0.06em;
}

.skill-items {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.skill-item { }
.skill-item-name {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-2);
  font-size: var(--text-sm);
  color: var(--ink-muted);
  font-family: var(--font-mono);
}
.skill-item-pct {
  font-size: var(--text-xs);
  color: var(--ink-subtle);
}
.skill-bar-track {
  height: 4px;
  background: var(--border);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.skill-bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  width: 0%;
  transition: width 1.2s var(--ease-out);
}

/* Platform axis */
.skill-axis-card.axis-platform { border-top: 2px solid var(--axis-platform); }
.axis-platform .skill-axis-icon { background: var(--axis-platform-soft); color: var(--axis-platform); }
.axis-platform .skill-axis-title { color: var(--axis-platform); }
.axis-platform .skill-bar-fill { background: var(--axis-platform); box-shadow: 0 0 8px var(--axis-platform-glow); }
.axis-platform .skill-axis-card:hover { border-color: var(--axis-platform); }

/* Integration axis */
.skill-axis-card.axis-integration { border-top: 2px solid var(--axis-integration); }
.axis-integration .skill-axis-icon { background: var(--axis-integration-soft); color: var(--axis-integration); }
.axis-integration .skill-axis-title { color: var(--axis-integration); }
.axis-integration .skill-bar-fill { background: var(--axis-integration); box-shadow: 0 0 8px var(--axis-integration-glow); }

/* Architecture axis */
.skill-axis-card.axis-architecture { border-top: 2px solid var(--axis-architecture); }
.axis-architecture .skill-axis-icon { background: var(--axis-architecture-soft); color: var(--axis-architecture); }
.axis-architecture .skill-axis-title { color: var(--axis-architecture); }
.axis-architecture .skill-bar-fill { background: var(--axis-architecture); box-shadow: 0 0 8px var(--axis-architecture-glow); }

/* ── Project Cards ────────────────────────────────── */
.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  transition:
    border-color var(--dur-base) var(--ease-out),
    transform var(--dur-base) var(--ease-out),
    box-shadow var(--dur-base) var(--ease-out);
  position: relative;
  overflow: hidden;
}
.project-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--axis-architecture));
  opacity: 0;
  transition: opacity var(--dur-base) var(--ease-out);
}
.project-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-6px);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.5);
}
.project-card:hover::before { opacity: 1; }

.project-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
}
.project-icon {
  width: 48px; height: 48px;
  background: var(--accent-soft);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}
.project-icon svg { width: 24px; height: 24px; }

.project-industry {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--ink-subtle);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-2);
}
.project-title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.02em;
  line-height: 1.3;
}
.project-scope {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--accent);
  margin-top: var(--space-2);
}
.project-desc {
  color: var(--ink-muted);
  font-size: var(--text-sm);
  line-height: 1.7;
}
.project-highlights {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.project-highlights li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--ink-muted);
}
.project-highlights li::before {
  content: '◆';
  font-size: 0.5em;
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 5px;
}

/* ── Contact Link Items ───────────────────────────── */
.contact-link-item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--ink-muted);
  font-size: var(--text-sm);
  font-family: var(--font-mono);
  transition:
    border-color var(--dur-fast) var(--ease-out),
    color var(--dur-fast) var(--ease-out),
    background var(--dur-fast) var(--ease-out),
    transform var(--dur-fast) var(--ease-out);
}
.contact-link-item:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
  transform: translateY(-3px);
}
.contact-link-item svg { width: 20px; height: 20px; flex-shrink: 0; }

/* ── Copy Email ───────────────────────────────────── */
.copy-email-btn {
  position: relative;
  cursor: pointer;
}
.copy-email-btn .copy-tooltip {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #000;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-fast) var(--ease-out);
}
.copy-email-btn.copied .copy-tooltip { opacity: 1; }

/* ── Glow dividers ────────────────────────────────── */
.section-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-strong), transparent);
}

/* ── Number Counter ───────────────────────────────── */
.counter { display: inline-block; }

/* ── Tag strips (hero scroll strip) ──────────────── */
.tag-strip {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  padding: var(--space-5) 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
  margin: var(--space-12) 0;
}
.tag-strip-inner {
  display: flex;
  gap: var(--space-6);
  animation: marquee 20s linear infinite;
  white-space: nowrap;
  flex-shrink: 0;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
.tag-strip-item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--ink-subtle);
  white-space: nowrap;
}
.tag-strip-item::before {
  content: '◆';
  color: var(--accent);
  font-size: 0.5em;
}

/* ── Certification 3D Flip ────────────────────── */
.cert-card {
  perspective: 1000px;

  --blur: 0px;
  --spread: 40;
  --start: 0;
  --active: 0;
  --glow-border-width: 2px;
  --gradient: radial-gradient(circle, var(--accent) 10%, transparent 20%),
              radial-gradient(circle at 40% 40%, var(--accent-sf) 5%, transparent 15%),
              radial-gradient(circle at 60% 60%, var(--accent-glow) 10%, transparent 20%), 
              repeating-conic-gradient(
                from 236.84deg at 50% 50%,
                var(--accent) 0%,
                var(--accent-sf) 5%,
                var(--accent-glow) 10%, 
                var(--accent) 15%,
                var(--accent-sf) 20%
              );

  background: transparent;
  border: none;
  padding: 0;
  cursor: pointer;
  z-index: 1; /* base */
  aspect-ratio: 1 / 1;
}

/* Base structural layout */
.cert-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.6s var(--ease-out);
  transform-style: preserve-3d;
}

.cert-front, .cert-back {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: var(--radius-md);
}

.cert-front {
  background: transparent;
  border: 1px solid var(--border);
  padding: var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Ensure the icon stays above the front ::before background */
.cert-front .cert-icon {
  z-index: 2;
  position: relative;
}

.cert-back {
  background: var(--bg-card);
  border: 1px solid var(--border-accent);
  padding: var(--space-4);
  transform: rotateY(180deg);
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
  box-shadow: 0 12px 32px rgba(0, 217, 255, 0.15);
}

.cert-back h5 {
  font-size: var(--text-sm);
  color: var(--accent);
  margin-bottom: var(--space-3);
  line-height: 1.3;
}

.cert-back p {
  font-size: var(--text-xs);
  color: var(--ink-muted);
  margin-bottom: var(--space-2);
}

.cert-back p strong {
  color: var(--ink);
}

/* Expanded state (added via JS) */
.cert-card.is-expanded {
  z-index: 100;
  pointer-events: none; /* Disable hovering effects while expanded */
}
.cert-card.is-expanded .cert-card-inner {
  transform: rotateY(180deg) scale(1.5);
  pointer-events: auto; /* Re-enable for the card itself */
}
.cert-card.is-expanded .cert-front::after {
  display: none; /* Disable the tracking highlight while expanded */
}

/* Overlay for click-away */
/* ── Cert Detail Modal ──────────────────────────────── */
.cert-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  visibility: hidden;
  pointer-events: none;
}
/* open: visible + interactive */
.cert-modal.open {
  visibility: visible;
  pointer-events: auto;
}
/* closing: stay visible so exit animations can play, but no interaction */
.cert-modal.closing {
  visibility: visible;
  pointer-events: none;
}
.cert-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  opacity: 0;
  transition: opacity 0.4s var(--ease-out);
}
.cert-modal.open .cert-modal-backdrop { opacity: 1; }
.cert-modal.closing .cert-modal-backdrop { opacity: 0; }

/* Card zoom-in / zoom-out */
.cert-modal-card {
  position: relative;
  z-index: 1;
  width: 300px;
  height: 300px;
  perspective: 1000px;
  transform: scale(0.4) translateY(40px);
  opacity: 0;
  transition:
    transform 0.45s var(--ease-out),
    opacity 0.4s var(--ease-out);
}
.cert-modal.open .cert-modal-card {
  transform: scale(1) translateY(0);
  opacity: 1;
}
.cert-modal.closing .cert-modal-card {
  transform: scale(0.4) translateY(40px);
  opacity: 0;
}

/* 3D flip container */
.cert-modal-inner {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.65s cubic-bezier(0.45, 0, 0.55, 1);
}
.cert-modal.flipped .cert-modal-inner { transform: rotateY(180deg); }

/* Both faces */
.cert-modal-face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-accent);
  background: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-8);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.6), 0 0 0 1px var(--border-accent);
}
.cert-modal-back {
  transform: rotateY(180deg);
  flex-direction: column;
  gap: var(--space-4);
  text-align: center;
  position: relative;
}
.cert-modal-logo {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.cert-modal-title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.01em;
  margin-bottom: var(--space-2);
}
.cert-modal-row {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}
.cert-modal-row span {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--ink-subtle);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.cert-modal-row strong {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--accent);
}

/* ── AVA Chat Sidebar — push pattern ─────────────────
   Sidebar slides in from the right; body margin pushes
   portfolio content left so it remains fully scrollable.
   ──────────────────────────────────────────────────── */

/* Trigger button in hero */
.ava-trigger-btn {
  background: transparent;
  border: 1px solid var(--border-accent);
  color: var(--accent);
  gap: var(--space-3);
  transition:
    background var(--dur-base) var(--ease-out),
    box-shadow var(--dur-base) var(--ease-out),
    transform var(--dur-base) var(--ease-out);
}
.ava-trigger-btn:hover {
  background: var(--accent-soft);
  box-shadow: 0 0 32px var(--accent-glow);
  transform: translateY(-3px);
}
.ava-trigger-btn svg { color: var(--accent); flex-shrink: 0; }

/* Body gets right margin when sidebar is open */
body {
  transition: margin-right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
body.ava-open {
  margin-right: min(440px, 100vw);
}

/* Full-height fixed sidebar */
.ava-sidebar {
  position: fixed;
  top: 0;
  right: 0;
  width: min(440px, 100vw);
  height: 100dvh;
  z-index: 180;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  border-left: 1px solid var(--border-accent);
  box-shadow: -12px 0 48px rgba(0, 0, 0, 0.5);
}
.ava-sidebar.open { transform: translateX(0); }

/* Chat fills the full sidebar height */
.ava-chat-container {
  flex: 1;
  width: 100%;
  min-height: 0;
  overflow: hidden;
}

/* Close button tab — floats on the left edge of the sidebar.
   Only visible while the sidebar is open. */
.ava-close-btn {
  position: absolute;
  top: 50%;
  left: -40px;
  transform: translateY(-50%);
  width: 40px;
  height: 56px;
  background: var(--bg-card);
  border: 1px solid var(--border-accent);
  border-right: none;
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
  color: var(--ink-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition:
    opacity var(--dur-base) var(--ease-out),
    color var(--dur-fast) var(--ease-out),
    background var(--dur-fast) var(--ease-out);
  z-index: 1;
}
.ava-sidebar.open .ava-close-btn {
  opacity: 1;
  pointer-events: auto;
}
.ava-close-btn:hover { color: var(--accent); background: var(--accent-soft); }

/* Expand tab — pinned to the right viewport edge.
   Invisible until chat is initiated; hidden again while sidebar is open. */
.ava-expand-btn {
  position: fixed;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 56px;
  z-index: 179;
  background: var(--bg-card);
  border: 1px solid var(--border-accent);
  border-right: none;
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition:
    opacity var(--dur-base) var(--ease-out),
    background var(--dur-fast) var(--ease-out),
    box-shadow var(--dur-base) var(--ease-out);
}
/* Show only when chat was initiated AND sidebar is currently closed */
body.ava-initiated:not(.ava-open) .ava-expand-btn {
  opacity: 1;
  pointer-events: auto;
}
.ava-expand-btn:hover {
  background: var(--accent-soft);
  box-shadow: -4px 0 20px var(--accent-glow);
}

/* Unused backdrop — keep so JS references don't error */
.ava-backdrop { display: none; }