/* ============================================
   Chidi Confidence Obumneke — Portfolio
   Modern dark theme with warm accents
   ============================================ */

:root,
[data-theme="dark"] {
  color-scheme: dark;

  --bg: #080c12;
  --bg-elevated: #0f1520;
  --surface: #151d2b;
  --surface-hover: #1a2436;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);

  --text: #e8edf5;
  --text-muted: #8b9cb3;
  --text-faint: #5a6b82;

  --accent: #3dd6c3;
  --accent-hover: #52e8d5;
  --accent-dim: rgba(61, 214, 195, 0.12);
  --accent-glow: rgba(61, 214, 195, 0.35);
  --warm: #f0a060;
  --warm-dim: rgba(240, 160, 96, 0.12);

  --btn-primary-text: #041210;
  --header-bg: rgba(8, 12, 18, 0.75);
  --header-bg-scrolled: rgba(8, 12, 18, 0.92);
  --hero-grid-color: rgba(255, 255, 255, 0.03);
  --hero-badge-bg: rgba(8, 12, 18, 0.85);
  --video-cover-bg: #0a0a0a;
  --cursor-glow-color: rgba(61, 214, 195, 0.12);
  --mobile-nav-bg: rgba(8, 12, 18, 0.97);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);

  --font-sans: "DM Sans", system-ui, -apple-system, sans-serif;
  --font-serif: "Instrument Serif", Georgia, serif;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --header-h: 72px;
  --container: 1140px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] {
  color-scheme: light;

  --bg: #f4f7fb;
  --bg-elevated: #e9eef5;
  --surface: #ffffff;
  --surface-hover: #f8fafc;
  --border: rgba(15, 23, 42, 0.08);
  --border-strong: rgba(15, 23, 42, 0.14);

  --text: #1a2332;
  --text-muted: #5a6b82;
  --text-faint: #8b9cb3;

  --accent: #0d9b8a;
  --accent-hover: #0bbda8;
  --accent-dim: rgba(13, 155, 138, 0.1);
  --accent-glow: rgba(13, 155, 138, 0.22);
  --warm: #d4822a;
  --warm-dim: rgba(212, 130, 42, 0.1);

  --btn-primary-text: #ffffff;
  --header-bg: rgba(244, 247, 251, 0.82);
  --header-bg-scrolled: rgba(244, 247, 251, 0.96);
  --hero-grid-color: rgba(15, 23, 42, 0.05);
  --hero-badge-bg: rgba(255, 255, 255, 0.92);
  --video-cover-bg: #1a2332;
  --cursor-glow-color: rgba(13, 155, 138, 0.08);
  --mobile-nav-bg: rgba(244, 247, 251, 0.98);

  --shadow-sm: 0 2px 12px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 8px 28px rgba(15, 23, 42, 0.1);
  --shadow-lg: 0 20px 48px rgba(15, 23, 42, 0.12);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 24px);
  overflow-x: clip;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
  transition: background-color 0.35s ease, color 0.35s ease;
}

body.nav-open {
  overflow: hidden;
}

.site-header,
main,
.site-footer {
  position: relative;
  z-index: 1;
}

.site-header,
.site-footer,
.section,
.skill-card,
.project-card,
.article-card,
.mentor-pillar,
.mentor-photo,
.about-card-inner,
.contact-box,
.blog-banner,
.btn,
.theme-toggle,
.nav-menu a {
  transition: background-color 0.35s ease, border-color 0.35s ease, color 0.35s ease, box-shadow 0.35s ease;
}

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

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

ul {
  list-style: none;
}

strong {
  font-weight: 600;
  color: var(--text);
}

.container {
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
  min-width: 0;
}

/* ---- Typography helpers ---- */
.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text);
}

.section-desc {
  margin-top: 0.75rem;
  color: var(--text-muted);
  max-width: 52ch;
}

.section-header {
  margin-bottom: 3rem;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.5rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: var(--btn-primary-text);
  border-color: var(--accent);
}

.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 0 24px var(--accent-glow);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}

.btn-ghost:hover {
  background: var(--surface);
  border-color: var(--text-faint);
}

.btn-full {
  width: 100%;
  justify-content: center;
}

/* ---- Header / Nav ---- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  background: var(--header-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), background var(--transition);
}

.site-header.scrolled {
  border-bottom-color: var(--border);
  background: var(--header-bg-scrolled);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: 100%;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 600;
  font-size: 0.95rem;
  min-width: 0;
  flex-shrink: 0;
}

.logo-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  background: var(--accent-dim);
  border: 1px solid rgba(61, 214, 195, 0.25);
  border-radius: var(--radius-sm);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
}

.logo-text {
  display: none;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-left: auto;
}

.nav-menu a {
  padding: 0.5rem 0.85rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

.nav-menu a:hover {
  color: var(--text);
  background: var(--surface);
}

.nav-cta {
  background: var(--accent-dim) !important;
  color: var(--accent) !important;
  border: 1px solid rgba(61, 214, 195, 0.2);
}

.nav-cta:hover {
  background: rgba(61, 214, 195, 0.2) !important;
  color: var(--accent) !important;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.theme-toggle {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  padding: 0;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  cursor: pointer;
  transition: color var(--transition), background var(--transition), border-color var(--transition), transform var(--transition);
}

.theme-toggle:hover {
  color: var(--accent);
  border-color: rgba(61, 214, 195, 0.35);
  background: var(--accent-dim);
  transform: rotate(-8deg) scale(1.05);
}

.theme-icon {
  grid-area: 1 / 1;
  transition: opacity 0.3s ease, transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

[data-theme="dark"] .theme-icon--sun {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

[data-theme="dark"] .theme-icon--moon {
  opacity: 0;
  transform: rotate(90deg) scale(0.5);
}

[data-theme="light"] .theme-icon--sun {
  opacity: 0;
  transform: rotate(-90deg) scale(0.5);
}

[data-theme="light"] .theme-icon--moon {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---- Hero ---- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-h);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
}

.hero-orb--1 {
  width: 500px;
  height: 500px;
  top: -10%;
  right: -5%;
  background: radial-gradient(circle, var(--accent-glow), transparent 70%);
  opacity: 0.5;
  animation: float 12s ease-in-out infinite;
}

.hero-orb--2 {
  width: 400px;
  height: 400px;
  bottom: 10%;
  left: -10%;
  background: radial-gradient(circle, rgba(240, 160, 96, 0.25), transparent 70%);
  animation: float 15s ease-in-out infinite reverse;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--hero-grid-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--hero-grid-color) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black, transparent);
}

@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(20px, -20px); }
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  padding-block: 4rem 6rem;
  min-width: 0;
}

.hero-content,
.hero-visual {
  min-width: 0;
}

.hero-eyebrow {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.04em;
  margin-bottom: 1.25rem;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5.5vw, 3.75rem);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  overflow-wrap: break-word;
}

.hero-title em {
  font-style: italic;
  color: var(--accent);
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 48ch;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}

.hero-stats {
  display: flex;
  gap: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.stat dt {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 400;
  color: var(--text);
  line-height: 1;
  margin-bottom: 0.25rem;
}

.stat dd {
  font-size: 0.8rem;
  color: var(--text-faint);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot--red { background: #ff5f57; }
.dot--yellow { background: #febc2e; }
.dot--green { background: #28c840; }

/* Hero photo */
.hero-photo-frame {
  position: relative;
  max-width: 380px;
  width: 100%;
  margin-inline: auto;
}

.hero-photo-ring {
  position: absolute;
  inset: -12px -12px 12px 12px;
  border: 1px solid rgba(240, 160, 96, 0.35);
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, var(--accent-dim), var(--warm-dim));
  z-index: 0;
}

.hero-photo {
  position: relative;
  z-index: 1;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  object-position: center top;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-lg);
}

.hero-photo-badge {
  position: absolute;
  bottom: 1.25rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--hero-badge-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-strong);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text);
  white-space: nowrap;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: #34d399;
  border-radius: 50%;
  box-shadow: 0 0 8px rgba(52, 211, 153, 0.6);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
  animation: bounce 2.5s ease-in-out infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* ---- Sections ---- */
.section {
  padding-block: 6rem;
}

.section:nth-child(even) {
  background: var(--bg-elevated);
}

/* ---- About ---- */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: start;
}

.about-text p {
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.about-highlights {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.about-highlights li {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.9rem;
  color: var(--text);
}

.about-highlights svg {
  flex-shrink: 0;
  color: var(--accent);
}

.about-card {
  position: sticky;
  top: calc(var(--header-h) + 2rem);
}

.about-card-inner {
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-xl);
  padding: 2rem;
  text-align: center;
}

.avatar {
  width: 96px;
  height: 96px;
  margin: 0 auto 1.25rem;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--accent-dim), var(--warm-dim));
  border: 2px solid var(--border-strong);
  border-radius: 50%;
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--accent);
}

.avatar--photo {
  object-fit: cover;
  object-position: center top;
}

.about-card-inner h3 {
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}

.about-role {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.about-links {
  text-align: left;
  margin-bottom: 1.5rem;
}

.about-links li {
  margin-bottom: 0.65rem;
}

.about-links a,
.about-links span {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.about-links a:hover {
  color: var(--accent);
}

.social-row {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}

.social-row a {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: all var(--transition);
}

.social-row a:hover {
  color: var(--accent);
  border-color: rgba(61, 214, 195, 0.3);
  background: var(--accent-dim);
}

/* ---- Skills ---- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.skill-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: border-color var(--transition), transform var(--transition);
}

.skill-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-3px);
}

.skill-icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  background: var(--accent-dim);
  border-radius: var(--radius-sm);
  color: var(--accent);
  margin-bottom: 1.25rem;
}

.skill-card h3 {
  font-size: 1rem;
  margin-bottom: 1rem;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.skill-tags li {
  font-size: 0.75rem;
  padding: 0.3rem 0.65rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-muted);
}

/* ---- Projects ---- */
.project-featured {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  background: linear-gradient(135deg, var(--surface) 0%, rgba(21, 29, 43, 0.6) 100%);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  margin-bottom: 2rem;
  position: relative;
  overflow: hidden;
  min-width: 0;
}

.project-featured-content,
.project-featured-visual {
  min-width: 0;
}

.project-featured::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--warm));
}

.project-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--warm);
  background: var(--warm-dim);
  border: 1px solid rgba(240, 160, 96, 0.25);
  padding: 0.3rem 0.75rem;
  border-radius: 100px;
  margin-bottom: 1rem;
}

.project-featured h3 {
  font-family: var(--font-serif);
  font-size: clamp(1.35rem, 4vw, 1.75rem);
  font-weight: 400;
  margin-bottom: 0.35rem;
  overflow-wrap: break-word;
}

.featured-org {
  font-size: 1rem;
  font-weight: 500;
  color: var(--accent) !important;
  margin-bottom: 1rem !important;
}

.project-featured p {
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.project-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.project-meta li {
  font-size: 0.75rem;
  padding: 0.3rem 0.7rem;
  background: var(--accent-dim);
  color: var(--accent);
  border-radius: 100px;
}

/* Browser mockup */
.browser-mockup {
  width: 100%;
  max-width: 100%;
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.browser-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0.65rem 1rem;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
}

.browser-url {
  flex: 1;
  min-width: 0;
  margin-left: 0.5rem;
  font-size: 0.7rem;
  color: var(--text-faint);
  font-family: monospace;
  background: var(--surface);
  padding: 0.3rem 0.75rem;
  border-radius: 4px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.browser-body {
  padding: 2.5rem 2rem;
  display: flex;
  justify-content: center;
}

.mock-login {
  width: 100%;
  max-width: 220px;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.mock-logo {
  width: 48px;
  height: 48px;
  margin: 0 auto 0.5rem;
  background: var(--accent-dim);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(61, 214, 195, 0.2);
}

.mock-field {
  height: 36px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.mock-btn {
  height: 38px;
  background: var(--accent);
  border-radius: var(--radius-sm);
  opacity: 0.85;
  margin-top: 0.25rem;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  border-color: var(--border-strong);
  background: var(--surface-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-sm);
}

.project-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.project-labels {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.project-type {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.project-live-badge {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #34d399;
  background: rgba(52, 211, 153, 0.12);
  border: 1px solid rgba(52, 211, 153, 0.25);
  padding: 0.2rem 0.55rem;
  border-radius: 100px;
}

.project-card--live {
  border-color: rgba(52, 211, 153, 0.15);
}

.project-card--live:hover {
  border-color: rgba(52, 211, 153, 0.3);
}

.project-link {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  color: var(--text-faint);
  border: 1px solid var(--border);
  transition: all var(--transition);
}

.project-link:hover {
  color: var(--accent);
  border-color: rgba(61, 214, 195, 0.3);
  background: var(--accent-dim);
}

.project-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.65rem;
  line-height: 1.35;
}

.project-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
  flex: 1;
  margin-bottom: 1rem;
}

.project-visit {
  display: inline-flex;
  align-items: center;
  margin-top: auto;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent);
  transition: color var(--transition), transform var(--transition);
}

.project-visit:hover {
  color: var(--accent-hover);
  transform: translateX(3px);
}

/* ---- Mentorship ---- */
.mentorship-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2.5rem;
  align-items: start;
  margin-bottom: 2.5rem;
  min-width: 0;
}

.mentorship-video,
.mentorship-content {
  min-width: 0;
}

.mentorship-video {
  width: 100%;
}

.video-frame {
  width: 100%;
  max-width: 100%;
  padding: 3px;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, var(--accent), var(--warm), var(--accent));
  background-size: 200% 200%;
  animation: gradientSpin 6s ease infinite;
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

/* Native HTML5 video player */
.video-native {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  min-height: 220px;
  overflow: hidden;
  border-radius: calc(var(--radius-xl) - 3px);
  background: #000;
}

.video-native video {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  background: #000;
}

/* Engagement sessions (NECA, BPP, etc.) */
.neca-session,
.client-engagement {
  margin-top: 2.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--border);
}

.client-engagement {
  margin-bottom: 2.5rem;
  padding: 2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
}

.engagement-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
  min-width: 0;
}

.engagement-content,
.engagement-video {
  min-width: 0;
}

.session-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--warm);
  background: var(--warm-dim);
  border: 1px solid rgba(240, 160, 96, 0.25);
  padding: 0.3rem 0.75rem;
  border-radius: 100px;
  margin-bottom: 0.85rem;
}

.session-badge--gov {
  color: var(--accent);
  background: var(--accent-dim);
  border-color: rgba(61, 214, 195, 0.25);
}

.session-topics {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  margin: 1.25rem 0;
}

.session-topics li {
  font-size: 0.9rem;
  color: var(--text-muted);
  padding-left: 1.5rem;
  position: relative;
}

.session-topics li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

.session-thanks {
  font-size: 0.85rem;
  color: var(--text-faint);
  line-height: 1.65;
  font-style: italic;
}

.engagement-content strong {
  color: var(--text-muted);
}

.session-status {
  font-size: 0.9rem;
  color: var(--accent);
  font-weight: 500;
  margin: 1rem 0 1.25rem;
}

/* YouTube cover — used when embed is disabled by video owner */
.video-cover {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  min-height: 220px;
  overflow: hidden;
  border-radius: calc(var(--radius-xl) - 3px);
  background: var(--video-cover-bg);
  cursor: pointer;
  text-decoration: none;
}

.video-cover-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1), filter 0.4s ease;
}

.video-cover-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(0, 0, 0, 0.75) 0%,
    rgba(0, 0, 0, 0.25) 45%,
    rgba(0, 0, 0, 0.15) 100%
  );
  transition: background 0.35s ease;
  z-index: 1;
}

.video-cover-play {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.85rem;
}

.youtube-icon {
  width: 72px;
  height: auto;
  filter: drop-shadow(0 8px 24px rgba(0, 0, 0, 0.5));
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), filter 0.35s ease;
}

.video-cover-label {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: #fff;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
  padding: 0.4rem 1rem;
  background: rgba(0, 0, 0, 0.45);
  border-radius: 100px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  transition: background 0.3s ease, transform 0.3s ease;
}

.video-cover:hover .video-cover-thumb {
  transform: scale(1.04);
  filter: brightness(0.85);
}

.video-cover:hover .video-cover-overlay {
  background: linear-gradient(
    to top,
    rgba(255, 0, 0, 0.35) 0%,
    rgba(0, 0, 0, 0.4) 50%,
    rgba(0, 0, 0, 0.2) 100%
  );
}

.video-cover:hover .youtube-icon {
  transform: scale(1.12);
  filter: drop-shadow(0 12px 32px rgba(255, 0, 0, 0.45));
}

.video-cover:hover .video-cover-label {
  background: rgba(255, 0, 0, 0.85);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

.video-cover:active .youtube-icon {
  transform: scale(1.05);
}

.video-caption {
  margin-top: 0.85rem;
  font-size: 0.85rem;
  color: var(--text-faint);
  text-align: center;
}

.video-caption a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.video-caption a:hover {
  color: var(--accent-hover);
}

.mentorship-pillars {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  height: 100%;
}

.mentor-pillar {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  flex: 1;
  transition: border-color var(--transition), transform var(--transition);
}

.mentor-pillar:hover {
  border-color: var(--border-strong);
  transform: translateY(-3px);
}

.mentor-pillar h3 {
  font-size: 1rem;
  margin-bottom: 0.85rem;
  color: var(--accent);
}

.mentor-pillar ul {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.mentor-pillar li {
  font-size: 0.875rem;
  color: var(--text-muted);
  padding-left: 1.1rem;
  position: relative;
}

.mentor-pillar li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--text-faint);
  font-size: 0.75rem;
}

/* ---- Sierra Leone / work gallery ---- */
.sierra-leone {
  margin-top: 3.5rem;
  padding-top: 3rem;
  border-top: 1px solid var(--border);
}

.work-gallery-title {
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 4vw, 1.5rem);
  font-weight: 400;
  margin-bottom: 0.65rem;
  overflow-wrap: break-word;
}

.work-gallery-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  max-width: 65ch;
  margin-bottom: 1.75rem;
}

.work-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 1.25rem;
}

.work-gallery--two {
  grid-template-columns: repeat(2, 1fr);
}

.community-building {
  margin-top: 2.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--border);
}

.work-photo {
  margin: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition);
}

.work-photo:hover {
  border-color: var(--border-strong);
}

.work-photo img {
  width: 100%;
  display: block;
  object-fit: cover;
}

.work-photo--featured img {
  aspect-ratio: 16 / 9;
  object-position: center center;
}

.work-gallery .work-photo img {
  aspect-ratio: 4 / 3;
  object-position: center center;
}

.work-photo figcaption {
  padding: 1rem 1.15rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.5;
  border-top: 1px solid var(--border);
}

/* ---- Experience Timeline ---- */
.timeline {
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: var(--border-strong);
}

.timeline-item {
  position: relative;
  padding-bottom: 2.5rem;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-marker {
  position: absolute;
  left: -2rem;
  top: 6px;
  width: 11px;
  height: 11px;
  background: var(--bg-elevated);
  border: 2px solid var(--accent);
  border-radius: 50%;
  z-index: 1;
}

.timeline-content time {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--accent);
}

.timeline-content h3 {
  font-size: 1.1rem;
  margin: 0.25rem 0 0.15rem;
}

.timeline-org {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.timeline-content > p:last-child {
  font-size: 0.9rem;
  color: var(--text-muted);
  max-width: 60ch;
}

.opensource {
  margin-top: 3rem;
  padding-top: 3rem;
  border-top: 1px solid var(--border);
}

.opensource-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 400;
  margin-bottom: 1.25rem;
}

.opensource-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.os-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.os-card h4 {
  font-size: 0.95rem;
  margin-bottom: 0.4rem;
  color: var(--accent);
}

.os-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.os-card a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ---- Writing ---- */
.section-desc a,
.about-text a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition);
}

.section-desc a:hover,
.about-text a:hover {
  color: var(--accent-hover);
}

.blog-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  padding: 2rem 2.25rem;
  margin-bottom: 3rem;
  background: linear-gradient(135deg, rgba(41, 98, 255, 0.12), var(--accent-dim));
  border: 1px solid rgba(41, 98, 255, 0.25);
  border-radius: var(--radius-xl);
}

.blog-banner-label {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #6b8cff;
  margin-bottom: 0.5rem;
}

.blog-banner-content h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 400;
  margin-bottom: 0.5rem;
}

.blog-banner-content p {
  color: var(--text-muted);
  max-width: 52ch;
  font-size: 0.9rem;
}

.writing-group {
  margin-bottom: 2.5rem;
}

.writing-group:last-child {
  margin-bottom: 0;
}

.writing-group-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
  color: var(--text);
}

.writing-group-icon {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 700;
}

.writing-group-icon--openreplay {
  background: rgba(240, 160, 96, 0.15);
  color: var(--warm);
  border: 1px solid rgba(240, 160, 96, 0.25);
}

.writing-group-icon--hashnode {
  background: rgba(41, 98, 255, 0.15);
  color: #6b8cff;
  border: 1px solid rgba(41, 98, 255, 0.25);
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.articles-grid--hashnode {
  grid-template-columns: repeat(2, 1fr);
}

.article-card {
  position: relative;
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: all var(--transition);
  overflow: hidden;
}

.article-card::before {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.article-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-3px);
}

.article-card:hover::before {
  transform: scaleX(1);
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.article-source {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.2rem 0.55rem;
  border-radius: 100px;
}

.article-source--openreplay {
  color: var(--warm);
  background: var(--warm-dim);
  border: 1px solid rgba(240, 160, 96, 0.25);
}

.article-source--hashnode {
  color: #6b8cff;
  background: rgba(41, 98, 255, 0.12);
  border: 1px solid rgba(41, 98, 255, 0.25);
}

.article-topic {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.article-card h4 {
  font-size: 1.05rem;
  margin: 0 2rem 0.5rem 0;
  line-height: 1.35;
  overflow-wrap: break-word;
}

.article-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.article-arrow {
  position: absolute;
  top: 1.75rem;
  right: 1.75rem;
  font-size: 1.25rem;
  color: var(--text-faint);
  transition: transform var(--transition), color var(--transition);
}

.article-card:hover .article-arrow {
  transform: translateX(4px);
  color: var(--accent);
}

/* ---- Contact ---- */
.contact-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-xl);
  padding: 3rem;
}

.contact-content p {
  color: var(--text-muted);
  margin: 1rem 0 1.5rem;
  max-width: 42ch;
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
}

.form-group input,
.form-group textarea {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--text);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  transition: border-color var(--transition);
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-faint);
}

.form-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.form-note {
  font-size: 0.8rem;
  color: var(--accent);
  text-align: center;
  min-height: 1.2em;
}

.form-note--success {
  color: #34d399;
}

.form-note--error {
  color: #f87171;
}

.contact-form button:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

/* ---- SEO text ---- */
.seo-text {
  padding: 2.5rem 0 0;
  border-top: 1px solid var(--border);
  background: var(--bg-elevated);
}

.seo-text p {
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--text-faint);
  max-width: 72ch;
  margin-bottom: 0.85rem;
}

.seo-text p:last-child {
  margin-bottom: 0;
}

.seo-text strong {
  color: var(--text-muted);
  font-weight: 600;
}

/* ---- Footer ---- */
.site-footer {
  padding: 2rem 0;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-inner p {
  font-size: 0.85rem;
  color: var(--text-faint);
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--accent);
}

/* ---- Animations ---- */

/* Cursor glow (desktop) */
.cursor-glow {
  position: fixed;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--cursor-glow-color), transparent 70%);
  pointer-events: none;
  z-index: 0;
  transform: translate(-50%, -50%);
  transition: opacity 0.4s ease;
  opacity: 0;
}

body.cursor-active .cursor-glow {
  opacity: 1;
}

/* Hero page-load entrance */
.hero-load {
  opacity: 0;
  transform: translateY(28px);
  animation: heroEnter 0.9s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  animation-delay: var(--load-delay, 0s);
}

.hero-load--right {
  transform: translateX(40px);
  animation-name: heroEnterRight;
}

@keyframes heroEnter {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes heroEnterRight {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Shimmer text */
.text-shimmer {
  background: linear-gradient(
    120deg,
    var(--accent) 0%,
    #a8fff5 25%,
    var(--warm) 50%,
    var(--accent) 75%,
    #a8fff5 100%
  );
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shimmer 4s linear infinite;
}

@keyframes shimmer {
  to { background-position: 200% center; }
}

/* Floating photo */
.hero-photo-frame {
  animation: photoFloat 6s ease-in-out infinite;
}

@keyframes photoFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.hero-photo-ring {
  animation: ringPulse 4s ease-in-out infinite;
}

@keyframes ringPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(1.02); }
}

/* Button shine */
.btn-primary {
  position: relative;
  overflow: hidden;
}

.btn-primary::after {
  content: "";
  position: absolute;
  top: 0;
  left: -120%;
  width: 80%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.35), transparent);
  transform: skewX(-20deg);
  transition: left 0.6s ease;
}

.btn-primary:hover::after {
  left: 140%;
}

/* Nav link underline */
.nav-menu a:not(.nav-cta) {
  position: relative;
}

.nav-menu a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transition: width 0.3s ease, left 0.3s ease;
}

.nav-menu a:not(.nav-cta):hover::after,
.nav-menu a:not(.nav-cta).active::after {
  width: 60%;
  left: 20%;
}

.nav-menu a.active {
  color: var(--accent);
}

/* Glow border on featured project */
.glow-border {
  position: relative;
}

.glow-border::after {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, var(--accent), var(--warm), var(--accent));
  background-size: 200% 200%;
  animation: gradientSpin 6s ease infinite;
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0.6;
}

@keyframes gradientSpin {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* 3D tilt cards */
.tilt-card {
  transform-style: preserve-3d;
  will-change: transform;
  transition: transform 0.15s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.tilt-card.is-tilting {
  transition: transform 0.08s ease;
}

.tilt-card:hover {
  box-shadow: 0 12px 40px rgba(61, 214, 195, 0.1);
}

/* Skill icon spin on hover */
.skill-card:hover .skill-icon {
  animation: iconPop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes iconPop {
  0% { transform: scale(1) rotate(0deg); }
  50% { transform: scale(1.15) rotate(8deg); }
  100% { transform: scale(1) rotate(0deg); }
}

/* Timeline draw */
.timeline.visible::before {
  animation: lineGrow 1.2s ease forwards;
  transform-origin: top;
  transform: scaleY(0);
}

@keyframes lineGrow {
  to { transform: scaleY(1); }
}

.timeline-item.visible .timeline-marker {
  animation: markerPop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
  transform: scale(0);
}

@keyframes markerPop {
  to { transform: scale(1); }
}

/* Stat counter pop */
.stat dt.counted {
  animation: statPop 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes statPop {
  0% { transform: scale(0.8); opacity: 0.5; }
  100% { transform: scale(1); opacity: 1; }
}

/* Reveal animations */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.75s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.75s cubic-bezier(0.22, 1, 0.36, 1);
}

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

/* Stagger children */
.stagger-item {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.stagger-group.visible .stagger-item,
.reveal.visible .stagger-item,
.stagger-item.visible {
  opacity: 1;
  transform: translateY(0);
}

.stagger-group.visible .stagger-item:nth-child(1),
.stagger-item:nth-child(1).visible { transition-delay: 0.05s; }
.stagger-group.visible .stagger-item:nth-child(2),
.stagger-item:nth-child(2).visible { transition-delay: 0.12s; }
.stagger-group.visible .stagger-item:nth-child(3),
.stagger-item:nth-child(3).visible { transition-delay: 0.19s; }
.stagger-group.visible .stagger-item:nth-child(4),
.stagger-item:nth-child(4).visible { transition-delay: 0.26s; }
.stagger-group.visible .stagger-item:nth-child(5),
.stagger-item:nth-child(5).visible { transition-delay: 0.33s; }
.stagger-group.visible .stagger-item:nth-child(6),
.stagger-item:nth-child(6).visible { transition-delay: 0.4s; }
.stagger-group.visible .stagger-item:nth-child(7),
.stagger-item:nth-child(7).visible { transition-delay: 0.47s; }
.stagger-group.visible .stagger-item:nth-child(8),
.stagger-item:nth-child(8).visible { transition-delay: 0.54s; }

/* ---- Responsive ---- */
@media (min-width: 640px) {
  .logo-text {
    display: inline;
  }
}

@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .hero-visual {
    max-width: 480px;
  }

  .about-grid {
    grid-template-columns: 1fr;
  }

  .about-card {
    position: static;
  }

  .skills-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .project-featured {
    grid-template-columns: 1fr;
  }

  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-box {
    grid-template-columns: 1fr;
    padding: 2rem;
  }

  .mentorship-layout {
    grid-template-columns: 1fr;
  }

  .work-gallery {
    grid-template-columns: repeat(2, 1fr);
  }

  .engagement-grid {
    grid-template-columns: 1fr;
  }

  .client-engagement {
    padding: 1.25rem;
  }
}

@media (max-width: 1024px) {
  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0.35rem;
    margin-left: 0;
    padding: 0.85rem 1.25rem 1rem;
    background: var(--mobile-nav-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    transform: translateY(-110%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition), opacity var(--transition);
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    z-index: 99;
  }

  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

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

  .nav-menu a {
    display: block;
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    text-align: left;
  }

  .nav-menu a.nav-cta {
    margin-top: 0.15rem;
    text-align: center;
  }
}

@media (max-width: 768px) {
  .container {
    width: min(100% - 1.5rem, var(--container));
  }

  .hero {
    min-height: auto;
  }

  .hero-inner {
    padding-block: 2.5rem 3rem;
    gap: 2rem;
  }

  .hero-photo-ring {
    inset: -8px -8px 8px 8px;
  }

  .hero-visual {
    overflow: hidden;
    padding-inline: 0.25rem;
  }

  .hero-stats {
    gap: 1.5rem;
    flex-wrap: wrap;
  }

  .project-featured {
    padding: 1.5rem;
    gap: 1.75rem;
  }

  .browser-body {
    padding: 1.75rem 1.25rem;
  }

  .skills-grid,
  .projects-grid,
  .articles-grid,
  .articles-grid--hashnode,
  .opensource-grid,
  .work-gallery,
  .work-gallery--two {
    grid-template-columns: 1fr;
  }

  .blog-banner {
    flex-direction: column;
    align-items: flex-start;
    padding: 1.5rem;
  }

  .contact-box {
    padding: 1.5rem;
    gap: 2rem;
  }

  .client-engagement {
    padding: 1.25rem;
  }

  .section {
    padding-block: 4rem;
  }

  .section-title {
    font-size: clamp(1.65rem, 6vw, 2.25rem);
  }

  .scroll-hint {
    display: none;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-links {
    flex-wrap: wrap;
    gap: 1rem;
  }

  .video-cover-label {
    font-size: 0.75rem;
    padding: 0.35rem 0.85rem;
    text-align: center;
    max-width: calc(100% - 2rem);
  }

  .youtube-icon {
    width: 56px;
  }
}

@media (max-width: 480px) {
  .container {
    width: min(100% - 1.25rem, var(--container));
  }

  :root {
    --header-h: 64px;
  }

  .logo-text {
    display: none;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
    white-space: normal;
    text-align: center;
  }

  .hero-stats {
    flex-direction: column;
    gap: 1rem;
  }

  .stat dt {
    font-size: 1.65rem;
  }

  .project-featured {
    padding: 1.15rem;
    border-radius: var(--radius-lg);
  }

  .project-featured .btn {
    width: 100%;
    justify-content: center;
    white-space: normal;
  }

  .about-card-inner {
    padding: 1.5rem;
  }

  .skill-card,
  .project-card,
  .mentor-pillar {
    padding: 1.25rem;
  }

  .article-card {
    padding: 1.35rem;
  }

  .article-arrow {
    top: 1.25rem;
    right: 1.25rem;
  }

  .contact-box {
    padding: 1.25rem;
    border-radius: var(--radius-lg);
  }

  .contact-actions .btn {
    width: 100%;
    justify-content: center;
    white-space: normal;
  }

  .blog-banner .btn {
    width: 100%;
    justify-content: center;
    white-space: normal;
  }

  .timeline {
    padding-left: 1.5rem;
  }

  .timeline-marker {
    left: -1.5rem;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal,
  .stagger-item,
  .hero-load {
    transition: none;
    animation: none;
    opacity: 1;
    transform: none;
  }
  .hero-orb,
  .scroll-hint,
  .badge-dot,
  .hero-photo-frame,
  .hero-photo-ring,
  .text-shimmer,
  .glow-border::after,
  .video-frame,
  .cursor-glow {
    animation: none;
  }
  .tilt-card { transform: none !important; }
}

@media (max-width: 1024px) {
  .cursor-glow { display: none; }
}