/* ============================================================
   Mfuneko Ndeya — Portfolio
   Design tokens
   ============================================================ */
:root {
  /* Color */
  --bg: #0B0D10;           /* graphite, not pure black */
  --surface: #14171C;       /* card / panel surface */
  --surface-2: #1B1F26;     /* raised surface (hover) */
  --border: #262B33;
  --text: #E6E8EB;
  --text-muted: #8B92A0;
  --text-faint: #565D6B;
  --accent: #FFB454;        /* terminal-amber — signal/ticker glow */
  --accent-dim: #B9873F;
  --accent-2: #5EEAD4;      /* cool teal, used sparingly for links/hover */
  --danger: #FF6B6B;
  --ok: #5EEAD4;

  /* Type */
  --font-display: 'Space Grotesk', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'SFMono-Regular', Consolas, monospace;

  /* Layout */
  --max-w: 1120px;
  --radius: 10px;
  --radius-sm: 6px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

img, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ============================================================
   Nav
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(11, 13, 16, 0.75);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0.9rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--accent);
}
.nav-logo::before { content: "~/ "; color: var(--text-faint); }
.nav-links {
  display: flex;
  gap: 1.75rem;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
}
.nav-links a { transition: color 0.2s; }
.nav-links a:hover { color: var(--accent); }
.nav-links li::before { content: "// "; color: var(--text-faint); }

/* ============================================================
   Hero — terminal boot sequence
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 6rem 0 3rem;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}
@media (min-width: 900px) {
  .hero-grid { grid-template-columns: 1.1fr 0.9fr; gap: 3rem; }
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.hero-eyebrow .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: pulse 1.8s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 600;
  line-height: 1.08;
  margin-bottom: 1rem;
}
.hero-title .accent { color: var(--accent); }

.hero-sub {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 40ch;
  margin-bottom: 2rem;
}

.hero-actions { display: flex; gap: 0.9rem; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.3rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  cursor: pointer;
  border: 1px solid var(--border);
  transition: all 0.2s;
}
.btn-primary {
  background: var(--accent);
  color: #0B0D10;
  border-color: var(--accent);
  font-weight: 600;
}
.btn-primary:hover { background: #ffc477; transform: translateY(-1px); }
.btn-ghost { color: var(--text); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* Terminal panel */
.terminal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 20px 60px -20px rgba(0,0,0,0.6);
}
.terminal-bar {
  display: flex;
  gap: 0.4rem;
  padding: 0.7rem 0.9rem;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
}
.terminal-bar span {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--text-faint);
}
.terminal-bar span:nth-child(1) { background: #FF6B6B; }
.terminal-bar span:nth-child(2) { background: #FFB454; }
.terminal-bar span:nth-child(3) { background: #5EEAD4; }
.terminal-body {
  padding: 1.25rem 1.4rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
  min-height: 220px;
}
.terminal-body .line { margin-bottom: 0.5rem; white-space: pre-wrap; }
.terminal-body .prompt { color: var(--accent-2); }
.terminal-body .ok { color: var(--ok); }
.terminal-cursor {
  display: inline-block;
  width: 7px; height: 1em;
  background: var(--accent);
  vertical-align: text-bottom;
  animation: blink 1s step-end infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* ============================================================
   Section shell
   ============================================================ */
.section { padding: 5.5rem 0; }
.section-alt { background: var(--surface); }
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
  margin-bottom: 0.6rem;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  font-weight: 600;
  margin-bottom: 0.75rem;
}
.section-desc {
  color: var(--text-muted);
  max-width: 60ch;
  margin-bottom: 3rem;
}

/* reveal-on-scroll */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.in-view { opacity: 1; transform: translateY(0); }

/* ============================================================
   About / Skills marquee
   ============================================================ */
.about-grid {
  display: grid;
  gap: clamp(1.25rem, 2.5vw, 3rem);
  grid-template-columns: 1fr;
  align-items: start;
}
@media (min-width: 860px) {
  .about-grid { grid-template-columns: minmax(220px, 0.85fr) minmax(0, 1.15fr); }
}
.profile-pic {
  width: 130px; height: 130px;
  border-radius: 14px;
  object-fit: cover;
  border: 1px solid var(--border);
  margin-bottom: 1.5rem;
}
.about-text { width: 100%; max-width: 72ch; }
.about-text p {
  color: var(--text-muted);
  margin-bottom: clamp(0.75rem, 1.8vw, 1.1rem);
  font-size: clamp(0.95rem, 2.2vw, 1.05rem);
  line-height: 1.75;
  overflow-wrap: anywhere;
}
.about-text strong { color: var(--text); font-weight: 600; }
@media (max-width: 620px) {
  .about-grid { gap: 1.2rem; }
  .profile-pic { width: 102px; height: 102px; margin-bottom: 1rem; }
  .about-text p { line-height: 1.65; }
}

.marquee {
  overflow: hidden;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
  margin-top: 1.5rem;
}
.marquee-track {
  display: flex;
  gap: 2.2rem;
  width: max-content;
  animation: scroll-left 26s linear infinite;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes scroll-left {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
.marquee-item {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
  white-space: nowrap;
}
.marquee-item::before { content: "▹ "; color: var(--accent); }

/* ============================================================
   Projects grid
   ============================================================ */
.projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 720px) {
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
}
.projects-empty {
  grid-column: 1 / -1;
  color: var(--text-muted);
  font-size: 0.98rem;
}

.section-cyber {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-height: min(calc(100vh - 4.5rem), calc(100vw * 1200 / 1920));
}
.section-cyber-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  display: grid;
  place-items: center;
  background: #050607;
}
.section-cyber-bg img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}
.section-cyber-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(11, 13, 16, 0.42) 0%,
    rgba(11, 13, 16, 0.16) 45%,
    rgba(11, 13, 16, 0.48) 100%
  );
}
.section-cyber .project-card {
  background: rgba(20, 23, 28, 0.88);
  backdrop-filter: blur(8px);
}

.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.25s, transform 0.25s;
  display: block;
}
.project-card:hover {
  border-color: var(--accent-dim);
  transform: translateY(-4px);
}
.project-thumb {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: #0d1013;
  position: relative;
}
.project-thumb img {
  display: block;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.project-card:hover .project-thumb img { transform: scale(1.06); }
.project-thumb--spes {
  background: #f5a3a8;
}
.project-thumb--spes img {
  object-fit: contain;
  object-position: center;
}
.project-thumb--wakimania {
  background: #ead9a8;
}
.project-thumb--wakimania img {
  object-fit: contain;
  object-position: center;
}
.project-thumb--khetha {
  background: #1f7a3a;
}
.project-thumb--khetha img {
  object-fit: contain;
  object-position: center;
}
.project-thumb .video-badge {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: rgba(11,13,16,0.88);
  border: 1px solid var(--border);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.35rem 0.55rem;
  border-radius: var(--radius-sm);
  z-index: 1;
}
.project-thumb .view-tag {
  position: absolute;
  bottom: 0.75rem; right: 0.75rem;
  background: rgba(11,13,16,0.85);
  border: 1px solid var(--border);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 0.3rem 0.6rem;
  border-radius: 999px;
  opacity: 0;
  transform: translateY(6px);
  transition: all 0.25s;
}
.project-card:hover .view-tag { opacity: 1; transform: translateY(0); }

.project-body { padding: 1.2rem 1.3rem 1.4rem; }
.project-kicker {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.4rem;
}
.project-name {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}
.project-blurb {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin-bottom: 0.9rem;
}
.tag-row { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-2);
  border: 1px solid rgba(94, 234, 212, 0.25);
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
}

/* ============================================================
   Certifications
   ============================================================ */
.certs-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--border);
}
.cert-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.35rem 0;
  border-bottom: 1px solid var(--border);
  transition: color 0.2s, padding-left 0.25s;
}
.cert-row:hover { padding-left: 0.35rem; }
.cert-row:hover .cert-title { color: var(--accent); }
.cert-row:hover .cert-action { color: var(--accent-2); }
.cert-category {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.35rem;
}
.cert-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  transition: color 0.2s;
}
.cert-issuer {
  font-size: 0.88rem;
  color: var(--text-muted);
}
.cert-action {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-faint);
  transition: color 0.2s;
}
@media (max-width: 560px) {
  .cert-row { flex-direction: column; align-items: flex-start; gap: 0.6rem; }
}

/* ============================================================
   GitHub activity
   ============================================================ */
.github-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 860px) {
  .github-grid { grid-template-columns: repeat(2, 1fr); }
}
.github-panel {
  display: block;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  padding: 1.25rem 1.35rem 1.4rem;
  transition: border-color 0.25s, transform 0.25s;
}
.github-panel:hover {
  border-color: var(--accent-dim);
  transform: translateY(-3px);
}
.github-panel-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}
.github-handle {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--accent);
}
.github-cta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-faint);
  transition: color 0.2s;
}
.github-panel:hover .github-cta { color: var(--accent-2); }
.github-chart {
  width: 100%;
  height: auto;
  display: block;
  filter: brightness(1.05);
}

/* ============================================================
   Contact
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.2rem;
}
@media (min-width: 720px) { .contact-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 900px) { .contact-grid--four { grid-template-columns: repeat(4, 1fr); } }
.contact-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem;
  transition: border-color 0.25s, transform 0.25s;
}
.contact-card:hover { border-color: var(--accent); transform: translateY(-3px); }
.contact-card .k { font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-faint); margin-bottom: 0.4rem; }
.contact-card .v { font-weight: 600; font-size: 1.02rem; }

.footer {
  text-align: center;
  padding: 2.5rem 0;
  color: var(--text-faint);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  border-top: 1px solid var(--border);
}

/* ============================================================
   Lightbox
   ============================================================ */
.lightbox-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.9);
  z-index: 200;
  display: none;
  align-items: flex-start; justify-content: center;
  padding: 1.5rem;
  overflow-y: auto;
}
.lightbox-overlay.active { display: flex; }
.lightbox-close {
  position: fixed; top: 1.2rem; right: 1.2rem; z-index: 201;
  background: none; border: none; color: var(--text); cursor: pointer;
}
.lightbox-close:hover { color: var(--accent); }
.lightbox-content { max-width: 1000px; width: 100%; margin: auto; }
.lightbox-content img, .lightbox-content video { border-radius: var(--radius); width: 100%; height: auto; display: block; }

/* ============================================================
   Project detail page
   ============================================================ */
.project-hero {
  padding: 8rem 0 3rem;
  border-bottom: 1px solid var(--border);
}
.back-link {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
  transition: color 0.2s;
}
.back-link:hover { color: var(--accent); }

.project-hero-meta {
  display: flex; gap: 0.6rem; flex-wrap: wrap;
  margin-bottom: 1rem;
}
.project-detail-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  margin-bottom: 0.75rem;
}
.project-detail-blurb {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 60ch;
  margin-bottom: 1.5rem;
}
.project-detail-links { display: flex; gap: 0.8rem; flex-wrap: wrap; }

.gallery {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin: 3rem 0;
}
@media (min-width: 720px) { .gallery { grid-template-columns: repeat(2, 1fr); } }
.gallery-item {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  cursor: pointer;
  background: var(--surface);
  position: relative;
  aspect-ratio: 16 / 9;
}
.gallery-item img, .gallery-item video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.gallery-item.wide { grid-column: 1 / -1; }

/* SPES infographic: show the full product sheet, not a 16:9 crop. */
.gallery--spes {
  grid-template-columns: 1fr;
}
.gallery--spes .gallery-item {
  aspect-ratio: auto;
  max-width: 44rem;
  width: 100%;
  justify-self: center;
}
.gallery--spes .gallery-item img {
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: contain;
  object-position: top center;
}
.gallery--spes .gallery-item--video {
  aspect-ratio: 16 / 9;
  background: #0d1013;
}
.gallery--spes .gallery-item video {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* Slow right-to-left strip so each app poster can be read. */
.gallery--marquee {
  display: block;
  overflow: hidden;
  padding: 0.4rem 0;
  mask-image: linear-gradient(to right, transparent, #000 6%, #000 94%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, #000 6%, #000 94%, transparent);
}
.gallery-marquee {
  overflow: hidden;
}
.gallery-marquee-track {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  width: max-content;
  animation: gallery-marquee 72s linear infinite;
  will-change: transform;
}
.gallery--marquee:hover .gallery-marquee-track,
.gallery--marquee:focus-within .gallery-marquee-track {
  animation-play-state: paused;
}
.gallery--marquee .gallery-item {
  flex: 0 0 auto;
  width: auto;
  height: auto;
  aspect-ratio: auto;
  padding: 0;
  border: none;
  background: transparent;
  border-radius: 0;
}
.gallery--marquee .gallery-item img {
  height: clamp(20rem, 58vh, 32rem);
  width: auto;
  max-width: none;
  object-fit: contain;
  object-position: center;
}
@keyframes gallery-marquee {
  from { transform: translate3d(0, 0, 0); }
  to { transform: translate3d(-50%, 0, 0); }
}
@media (prefers-reduced-motion: reduce) {
  .gallery--marquee {
    overflow-x: auto;
    mask-image: none;
    -webkit-mask-image: none;
  }
  .gallery-marquee-track {
    animation: none !important;
    transform: none !important;
  }
}

/* Video play affordance — always visible so demos aren't mistaken for stills */
.gallery-item--video::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(11,13,16,0.55) 0%, rgba(11,13,16,0.15) 45%, transparent 70%);
  pointer-events: none;
  transition: background 0.25s ease;
}
.gallery-item--video:hover::after {
  background: rgba(11,13,16,0.45);
}
.play-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  pointer-events: none;
}
.play-btn {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: var(--bg);
  box-shadow: 0 8px 28px rgba(0,0,0,0.45);
  transition: transform 0.25s ease, background 0.25s ease;
  padding-left: 3px; /* optically center the triangle */
}
.gallery-item--video:hover .play-btn {
  transform: scale(1.08);
  background: #ffc46e;
}
.play-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text);
  background: rgba(11,13,16,0.75);
  border: 1px solid var(--border);
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-sm);
}

.detail-columns {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}
@media (min-width: 860px) { .detail-columns { grid-template-columns: 2fr 1fr; } }
.detail-columns h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin-bottom: 0.9rem;
}
.detail-columns p { color: var(--text-muted); margin-bottom: 1rem; }
.spec-list { list-style: none; }
.spec-list li {
  display: flex; justify-content: space-between;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}
.spec-list .k { color: var(--text-faint); font-family: var(--font-mono); font-size: 0.78rem; }

.project-nav {
  display: flex; justify-content: space-between;
  padding: 2.5rem 0 4rem;
  border-top: 1px solid var(--border);
  margin-top: 2rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}
.project-nav a { color: var(--text-muted); transition: color 0.2s; }
.project-nav a:hover { color: var(--accent); }

.not-found { padding: 10rem 0; text-align: center; color: var(--text-muted); }