/* ============================================================
   Manoj Saini — Portfolio Stylesheet
   Dark theme · Indigo/Purple accent · Glassmorphism (sparing)
   Premium-minimal · responsive · accessible
   ============================================================ */

/* ---------- Variables ---------- */
:root {
  /* Colors (unchanged palette) */
  --bg: #0a0a0f;
  --bg-soft: #12121a;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-hover: rgba(255, 255, 255, 0.08);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.18);
  --text: #ececfa;
  --text-muted: #a3a3ba;
  --accent: #6c5ce7;
  --accent-2: #a855f7;
  --gradient: linear-gradient(135deg, #6365e7 0%, #a855f7 100%);
  --on-accent: #ffffff;

  /* Shape & motion */
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 10px 40px rgba(0, 0, 0, 0.45);
  --shadow-lift: 0 18px 44px rgba(0, 0, 0, 0.55);
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout */
  --max-width: 1080px;
  --section-pad: 96px;
}

/* ---------- Reset ---------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  /* Offset sticky navbar when jumping to anchors */
  scroll-padding-top: 90px;
}

body {
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3 {
  line-height: 1.2;
  font-weight: 700;
  color: var(--text);
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
}

img {
  max-width: 100%;
  display: block;
}

/* ---------- Accessible focus ---------- */
:focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute;
  top: -60px;
  left: 16px;
  z-index: 200;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  background: var(--gradient);
  color: var(--on-accent);
  font-size: 0.9rem;
  font-weight: 600;
  transition: top var(--transition);
}

.skip-link:focus {
  top: 12px;
}

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================================
   BACKGROUND — subtle gradient, soft glowing blobs, light grid
   ============================================================ */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

body::after {
  content: "";
  position: fixed;
  top: -15vh;
  left: -10vw;
  width: 55vw;
  height: 55vw;
  z-index: -1;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent), transparent 65%);
  opacity: 0.14;
  filter: blur(90px);
  pointer-events: none;
}

/* Soft glow top-right, anchored to viewport (not just hero) */
.hero::before {
  content: "";
  position: fixed;
  top: -12vh;
  right: -14vw;
  width: 50vw;
  height: 50vw;
  z-index: -1;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-2), transparent 65%);
  opacity: 0.13;
  filter: blur(90px);
  pointer-events: none;
}

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-inner {
  padding: 150px 0 130px;
  color-scheme: dark;
}

/* ---------- Hero typography ---------- */
.hero-greeting {
  display: inline-block;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.hero-name {
  font-size: clamp(2.7rem, 8vw, 4.8rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.02;
  margin-bottom: 12px;
}

.hero-role {
  font-size: clamp(1.3rem, 4vw, 1.8rem);
  font-weight: 700;
  letter-spacing: -0.015em;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 26px;
}

.hero-text {
  max-width: 600px;
  color: var(--text-muted);
  font-size: 1.08rem;
  line-height: 1.75;
  margin-bottom: 38px;
}

/* ==============================================================
   Buttons
   ============================================================== */
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.btn {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 13px 26px;
  border-radius: 12px;
  border: 1px solid transparent;
  font-size: 0.96rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: transform var(--transition), box-shadow var(--transition);
}

/* Ghost ripple ring appears on hover */
.btn::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  opacity: 0;
  transition: opacity var(--transition);
}

.btn > * {
  position: relative;
  z-index: 1;
}

.btn:hover {
  transform: translateY(-3px);
}

.btn:hover::after {
  opacity: 1;
}

.btn:active {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--gradient);
  color: var(--on-accent);
  box-shadow: 0 8px 26px rgba(99, 102, 241, 0.38);
}

.btn-primary:hover {
  box-shadow: 0 14px 34px rgba(168, 85, 247, 0.45);
}

.btn-outline {
  background: var(--surface);
  border-color: var(--border);
  color: var(--text);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.btn-outline::after {
  background: rgba(255, 255, 255, 0.06);
}

.btn-outline:hover {
  border-color: var(--border-strong);
}

/* ==============================================================
   Sections
   ============================================================== */
.section {
  padding: var(--section-pad) 0;
}

/* Adjust vertical gap specifically between Skills and Projects sections */
/* Slightly larger spacing for better visual separation */
#skills.section {
  padding-bottom: 48px;
}
#projects.section {
  padding-top: 48px;
}

.section-title {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: clamp(1.7rem, 4vw, 2.3rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 44px;
}

.section-title::before {
  content: "";
  width: 36px;
  height: 4px;
  flex: 0 0 auto;
  border-radius: 4px;
  background: var(--gradient);
}

.section-title::after {
  /* Short rule that extends the accent marker */
  content: "";
  flex: 1;
  height: 1px;
  max-width: 200px;
  background: var(--border);
}

.about-text {
  max-width: 760px;
  color: var(--text-muted);
  font-size: 1.1rem;
  line-height: 1.75;
  letter-spacing: 0.005em;
}

/* ==============================================================
   Cards
   ============================================================== */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: transform var(--transition), box-shadow var(--transition),
              border-color var(--transition), background-color var(--transition);
}

.card:hover {
  transform: translateY(-5px);
  background: var(--surface-hover);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-lift);
}

.card-icon {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  font-weight: 800;
  border-radius: var(--radius-sm);
  background: var(--gradient);
  color: var(--on-accent);
  box-shadow: 0 6px 18px rgba(99, 102, 241, 0.35);
  margin-bottom: 18px;
}

.card-title {
  font-size: 1.08rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.card-text {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
  margin-top: 8px;
}

/* ==============================================================
   Currently Learning
   ============================================================== */
.learning-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

/* ==============================================================
   Skills — premium chips/badges
   ============================================================== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  align-items: start;
}

.skill-category-title {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
}

/* Skill category card style */
.skill-category {
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  border: 1px solid rgba(255,255,255,0.04);
  padding: 20px;
  border-radius: 14px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.skill-category:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lift);
  border-color: var(--border-strong);
}

/* Skill list and chips */
.skill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.skill-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.04);
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  color: var(--text);
  font-weight: 700;
  font-size: 0.95rem;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.skill-chip:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 10px 30px rgba(99,102,241,0.12);
  border-color: rgba(168,85,247,0.22);
}

.skill-chip .skill-chip-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--gradient);
  box-shadow: 0 6px 18px rgba(99, 102, 241, 0.18);
}

.skill-chip .skill-chip-meta {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  padding-left: 8px;
  border-left: 1px solid rgba(255,255,255,0.03);
}

.skill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.skill-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  white-space: nowrap;
  transition: transform var(--transition), border-color var(--transition),
              background-color var(--transition), box-shadow var(--transition);
}

/* Accent dot inside each chip */
.skill-chip-dot {
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--gradient);
  box-shadow: 0 0 8px rgba(168, 85, 247, 0.6);
}

.skill-chip-name {
  font-weight: 600;
  font-size: 0.92rem;
  line-height: 1;
}

/* Dimmed tag (e.g. "Basic", "Version Control") with divider */
.skill-chip-meta {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--text-muted);
  padding-left: 8px;
  border-left: 1px solid var(--border);
  line-height: 1;
}

.skill-chip:hover {
  transform: translateY(-3px);
  border-color: var(--border-strong);
  background: var(--surface-hover);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.45);
}

/* Underline-sweep accent on chip hover */
.skill-chip:hover .skill-chip-name {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ==============================================================
   Projects
   ============================================================== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.project-card {
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow: hidden;
}

.project-thumbnail {
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    linear-gradient(135deg, rgba(99, 102, 241, 0.18), rgba(168, 85, 247, 0.16)),
    var(--bg-soft);
  border-bottom: 1px solid var(--border);
}

.project-thumbnail-text {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color var(--transition), transform var(--transition);
}

.project-card:hover .project-thumbnail-text {
  color: var(--text);
  transform: scale(1.05);
}

.project-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* ==============================================================
   Certificates
   ============================================================== */
.certificates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.certificate-card {
  display: flex;
  flex-direction: column;
}

.certificate-thumbnail {
  height: 150px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.12), rgba(168, 85, 247, 0.12));
  border: 1px dashed rgba(255, 255, 255, 0.22);
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 20px;
  transition: border-color var(--transition), color var(--transition);
}

.certificate-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: var(--radius-sm);
  display: block;
  background: transparent;
}

.certificate-card:hover .certificate-thumbnail {
  border-color: var(--accent-2);
  color: var(--text);
}

.certificate-title {
  font-size: 1.06rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 12px;
}

.certificate-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 22px;
}

.certificate-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  justify-self: flex-start;
  gap: 8px;
  padding: 11px 18px;
  margin-top: auto;
  border-radius: 11px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 600;
  transition: background-color var(--transition), border-color var(--transition),
              transform var(--transition);
}

.certificate-link::after {
  content: "\2197"; /* ↗ external-link glyph */
  font-size: 0.85rem;
  opacity: 0.7;
}

.certificate-link:hover {
  background: var(--gradient);
  border-color: transparent;
  color: var(--on-accent);
  transform: translateY(-2px);
}

/* Placeholder card button — inert until a real certificate is added */
.certificate-link:disabled {
  cursor: not-allowed;
  opacity: 0.6;
  background: var(--surface);
  border-color: var(--border);
  color: var(--text-muted);
  transform: none;
}

.certificate-link:disabled::after {
  display: none;
}

.certificate-link:disabled:hover {
  background: var(--surface);
  border-color: var(--border);
  color: var(--text-muted);
  transform: none;
}

/* ==============================================================
   Contact
   ============================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.contact-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 30px 20px;
  text-align: center;
}

.contact-icon {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: color var(--transition), border-color var(--transition),
              background-color var(--transition), transform var(--transition);
}

.contact-icon svg {
  width: 22px;
  height: 22px;
}

.contact-card:hover .contact-icon {
  background: var(--gradient);
  border-color: transparent;
  color: var(--on-accent);
  transform: scale(1.08);
}

.contact-label {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
}

.contact-email-value {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Success state on the email card */
.contact-card.copied {
  border-color: var(--accent);
  background: rgba(108, 92, 231, 0.1);
}

.contact-card.copied .contact-label,
.contact-card.copied .contact-email-value {
  color: var(--text);
}

/* Pulse ring on copy success */
.contact-card.copied .contact-icon {
  background: var(--gradient);
  border-color: transparent;
  color: var(--on-accent);
  animation: pulse 0.6s ease;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(168, 85, 247, 0.5); }
  100% { box-shadow: 0 0 0 14px rgba(168, 85, 247, 0); }
}

.contact-hint {
  margin-top: 20px;
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* ==============================================================
   Footer
   ============================================================== */
.footer {
  border-top: 1px solid var(--border);
  padding: 30px 0;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ==============================================================
   Header / Navbar
   ============================================================== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(10, 10, 15, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

/* Scroll-read progress bar pinned to the very top */
.scroll-progress {
  position: absolute;
  top: -1px;
  left: 0;
  height: 2px;
  width: 0;
  background: var(--gradient);
  box-shadow: 0 0 10px rgba(168, 85, 247, 0.5);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.logo {
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
}

.logo-accent {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav-menu {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 30px;
}

.nav-link {
  position: relative;
  padding: 4px 2px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition);
}

/* Underline grows from left */
.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--gradient);
  transition: width var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--text);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-link.active::after {
  width: 100%;
}

/* Hamburger (mobile) */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  border: none;
  background: transparent;
  padding: 8px;
}

.nav-toggle-bar {
  width: 100%;
  height: 2px;
  border-radius: 2px;
  background-color: var(--text);
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle.open .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.open .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ==============================================================
   Scroll-to-top
   ============================================================== */
.scroll-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 90;
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--surface);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--text);
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
  transition: opacity var(--transition), transform var(--transition),
              visibility var(--transition), background-color var(--transition),
              border-color var(--transition), box-shadow var(--transition);
}

.scroll-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top:hover {
  background: var(--gradient);
  border-color: transparent;
  color: var(--on-accent);
  box-shadow: 0 8px 22px rgba(168, 85, 247, 0.4);
}

/* ==============================================================
   Toast (copy-email feedback)
   ============================================================== */
.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  z-index: 120;
  transform: translate(-50%, 20px);
  padding: 11px 20px;
  border-radius: 999px;
  background: var(--gradient);
  color: var(--on-accent);
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: 0 10px 30px rgba(99, 102, 241, 0.45);
  opacity: 0;
  visibility: hidden;
  white-space: nowrap;
  transition: opacity var(--transition), transform var(--transition),
              visibility var(--transition);
}

.toast.show {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
}

/* ==============================================================
   Reveal-on-scroll
   ============================================================== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==============================================================
   Responsive
   ============================================================== */
@media (max-width: 768px) {
  :root {
    --section-pad: 64px;
  }

  .section-title {
    margin-bottom: 32px;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background-color: rgba(18, 18, 26, 0.97);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    padding: 0 24px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
  }

  .nav-menu.open {
    max-height: 440px;
    padding-bottom: 14px;
  }

  .nav-menu li {
    width: 100%;
  }

  .nav-link {
    display: block;
    padding: 14px 0;
    width: 100%;
  }

  .hero-inner {
    padding: 120px 0 100px;
  }

  .hero-actions {
    gap: 12px;
  }

  .btn {
    padding: 12px 22px;
  }

  .scroll-top {
    right: 18px;
    bottom: 18px;
    width: 42px;
    height: 42px;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  :root {
    --section-pad: 80px;
  }
}

/* ==============================================================
   Reduced motion
   ============================================================== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}

/* ==============================================================
   Lightbox / Image viewer
   ============================================================== */
.lightbox-overlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.86);
  z-index: 130;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.18s ease, visibility 0.18s ease;
}
.lightbox-overlay.show {
  opacity: 1;
  visibility: visible;
}
.lightbox-content {
  position: relative;
  max-width: 95vw;
  max-height: 95vh;
  padding: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.lightbox-content img {
  max-width: 100%;
  max-height: 92vh;
  object-fit: contain;
  border-radius: 10px;
  display: block;
}
.lightbox-close {
  position: absolute;
  top: 8px;
  right: 8px;
  border: none;
  background: var(--gradient);
  color: var(--on-accent);
  width: 40px;
  height: 40px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
  cursor: pointer;
  box-shadow: 0 8px 22px rgba(0,0,0,0.5);
}
.lightbox-img-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: calc(100% - 140px);
}
.lightbox-caption {
  margin-top: 10px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.95rem;
}
.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  border: none;
  background: rgba(0,0,0,0.45);
  color: var(--on-accent);
  width: 56px;
  height: 56px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  cursor: pointer;
  z-index: 140;
}
.lightbox-prev { left: 18px; }
.lightbox-next { right: 18px; }
.lightbox-nav[disabled] {
  opacity: 0.35;
  cursor: default;
}
.lightbox-close:focus {
  outline: 3px solid rgba(168,85,247,0.35);
}