/* ==========================================================================
   joemrnice — Joseph Lahai Kanu portfolio
   Design tokens
   ========================================================================== */
:root {
  --bg: #0a0e12;
  --bg-elevated: #121820;
  --bg-elevated-2: #171f29;
  --ink: #eef1f4;
  --ink-muted: #93a0ad;
  --ink-faint: #5c6873;
  --laterite: #e8873a;      /* red-earth road accent, Freetown's laterite laterite terrain */
  --laterite-dim: #b56a2c;
  --atlantic: #2bbfae;      /* Atlantic coast teal */
  --line: rgba(238, 241, 244, 0.09);
  --line-strong: rgba(238, 241, 244, 0.16);

  --font-display: "Space Grotesk", "Inter", sans-serif;
  --font-body: "Inter", sans-serif;

  --container: 1180px;
  --gutter: clamp(1.5rem, 5vw, 4rem);

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: auto; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

::selection { background: var(--laterite); color: #14100a; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  margin: 0;
  font-weight: 600;
  letter-spacing: -0.01em;
}

p { margin: 0; }

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

/* Grain overlay for a film-like feel */
.grain {
  position: fixed;
  inset: 0;
  z-index: 999;
  pointer-events: none;
  opacity: 0.05;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Skip link for keyboard users */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--laterite);
  color: #14100a;
  padding: 0.75rem 1.25rem;
  border-radius: 6px;
  z-index: 10000;
  transition: top 0.2s var(--ease-out);
}
.skip-link:focus { top: 1rem; }

:focus-visible {
  outline: 2px solid var(--laterite);
  outline-offset: 3px;
}

/* ==========================================================================
   Preloader
   ========================================================================== */
#preloader {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  transition: transform 0.8s var(--ease-out), visibility 0.8s;
}
#preloader.hidden {
  transform: translateY(-100%);
  visibility: hidden;
}
.preloader-mark {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.preloader-mark span { color: var(--laterite); }
.preloader-count {
  font-variant-numeric: tabular-nums;
  color: var(--ink-muted);
  font-size: 0.9rem;
  letter-spacing: 0.05em;
}
.preloader-bar {
  width: min(220px, 60vw);
  height: 2px;
  background: var(--line-strong);
  overflow: hidden;
  border-radius: 2px;
}
.preloader-bar-fill {
  height: 100%;
  width: 0%;
  background: var(--laterite);
}

/* ==========================================================================
   Nav
   ========================================================================== */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem var(--gutter);
  background: linear-gradient(to bottom, rgba(10,14,18,0.85), transparent);
  backdrop-filter: blur(2px);
}
.site-nav .mark {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
}
.site-nav .mark span { color: var(--laterite); }
.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
  padding: 0;
  margin: 0;
}
.nav-links a {
  font-size: 0.9rem;
  color: var(--ink-muted);
  transition: color 0.2s;
  position: relative;
}
.nav-links a:hover, .nav-links a:focus-visible { color: var(--ink); }
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  color: var(--ink);
  padding: 0.5rem 0.75rem;
  font-size: 1rem;
  cursor: pointer;
}

@media (max-width: 760px) {
  .nav-links {
    position: fixed;
    inset: 0 0 auto 0;
    flex-direction: column;
    background: var(--bg-elevated);
    padding: 5.5rem var(--gutter) 2rem;
    gap: 1.5rem;
    transform: translateY(-110%);
    transition: transform 0.4s var(--ease-out);
    border-bottom: 1px solid var(--line);
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { font-size: 1.1rem; }
  .nav-toggle { display: block; }
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem var(--gutter) 4rem;
  overflow: hidden;
}
#hero-canvas {
  position: absolute;
  top: 0;
  right: 0;
  width: min(56vw, 720px);
  height: 100%;
  z-index: 0;
  opacity: 0.9;
}
.hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--container);
  margin: 0 auto;
  width: 100%;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--ink-muted);
  border: 1px solid var(--line-strong);
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  margin-bottom: 2rem;
}
.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--atlantic);
  box-shadow: 0 0 0 0 rgba(43, 191, 174, 0.6);
  animation: pulse 2.4s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(43, 191, 174, 0.5); }
  70% { box-shadow: 0 0 0 9px rgba(43, 191, 174, 0); }
  100% { box-shadow: 0 0 0 0 rgba(43, 191, 174, 0); }
}
.hero h1 {
  font-size: clamp(2.6rem, 7.5vw, 5.4rem);
  line-height: 0.98;
  max-width: 16ch;
}
.hero h1 .line { display: block; overflow: hidden; }
.hero h1 .letters { display: inline-block; }
.hero-role {
  margin-top: 1.75rem;
  font-size: clamp(1.1rem, 2.4vw, 1.5rem);
  color: var(--ink-muted);
  min-height: 1.6em;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.hero-role .cursor-blink {
  color: var(--laterite);
  animation: blink 1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }
.hero-lede {
  margin-top: 1.5rem;
  max-width: 46ch;
  color: var(--ink-muted);
  font-size: 1.05rem;
}
.hero-ctas {
  display: flex;
  gap: 1rem;
  margin-top: 2.75rem;
  flex-wrap: wrap;
}
.btn {
  --magnet-x: 0px;
  --magnet-y: 0px;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 1.6rem;
  border-radius: 999px;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transform: translate(var(--magnet-x), var(--magnet-y));
  transition: transform 0.15s var(--ease-out), background 0.2s, border-color 0.2s;
}
.btn-primary {
  background: var(--laterite);
  color: #17110a;
}
.btn-primary:hover { background: #f2984f; }
.btn-outline {
  border-color: var(--line-strong);
  color: var(--ink);
}
.btn-outline:hover { border-color: var(--ink-muted); }

/* ==========================================================================
   Section scaffolding
   ========================================================================== */
section { padding: 7rem 0; position: relative; }
.section-head {
  max-width: 640px;
  margin-bottom: 3.5rem;
}
.section-kicker {
  font-size: 0.9rem;
  color: var(--laterite);
  margin-bottom: 0.75rem;
  display: block;
}
.section-head h2 {
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  line-height: 1.1;
}
.section-head p {
  margin-top: 1rem;
  color: var(--ink-muted);
  font-size: 1.05rem;
  max-width: 56ch;
}

/* ==========================================================================
   About
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 3.5rem;
  align-items: start;
}
.about-portrait {
  position: relative;
}
.about-portrait img {
  width: 100%;
  border-radius: 20px;
  border: 1px solid var(--line);
  filter: grayscale(0.35) contrast(1.05);
}
.about-portrait::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 20px;
  background: linear-gradient(160deg, transparent 55%, rgba(232,135,58,0.28));
  pointer-events: none;
}
.about-card {
  margin-top: 1.25rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1rem 1.1rem;
  background: var(--bg-elevated);
  font-size: 0.9rem;
  color: var(--ink-muted);
}
.about-card strong { color: var(--ink); font-family: var(--font-display); }
.about-copy p { color: var(--ink-muted); margin-bottom: 1.1rem; max-width: 62ch; }
.about-copy p:last-child { margin-bottom: 0; }

.stat-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 2.75rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--line);
}
.stat b {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  color: var(--ink);
}
.stat span {
  color: var(--ink-faint);
  font-size: 0.85rem;
}

/* Marquee */
.marquee-wrap {
  margin-top: 4rem;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 1.5rem 0;
  overflow: hidden;
  white-space: nowrap;
}
.marquee-track {
  display: inline-flex;
  gap: 3rem;
  animation: marquee 28s linear infinite;
}
.marquee-track span {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--ink-faint);
}
.marquee-track span.dot::before {
  content: "•";
  margin-right: 3rem;
  color: var(--laterite-dim);
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .marquee-track { animation: none; }
}

/* ==========================================================================
   Timeline
   ========================================================================== */
.timeline {
  position: relative;
  max-width: 760px;
  margin: 0 auto;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: var(--line-strong);
}
.timeline-node {
  position: relative;
  padding-left: 3rem;
  padding-bottom: 3rem;
}
.timeline-node:last-child { padding-bottom: 0; }
.timeline-node::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 4px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--laterite);
}
.timeline-year {
  font-family: var(--font-display);
  color: var(--laterite);
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
  display: block;
}
.timeline-node h3 { font-size: 1.25rem; margin-bottom: 0.5rem; }
.timeline-node p { color: var(--ink-muted); max-width: 54ch; }

/* ==========================================================================
   Projects
   ========================================================================== */
.project-filters {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}
.chip {
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--ink-muted);
  padding: 0.45rem 1rem;
  border-radius: 999px;
  font-size: 0.85rem;
  cursor: pointer;
  font-family: var(--font-body);
  transition: all 0.2s;
}
.chip.active, .chip:hover {
  border-color: var(--laterite);
  color: var(--ink);
}
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}
.project-card {
  --rx: 0deg;
  --ry: 0deg;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.5rem;
  background: linear-gradient(160deg, var(--bg-elevated), var(--bg-elevated-2));
  transform: perspective(700px) rotateX(var(--rx)) rotateY(var(--ry));
  transition: transform 0.15s ease-out, border-color 0.2s;
  display: flex;
  flex-direction: column;
  min-height: 210px;
}
.project-card:hover { border-color: var(--line-strong); }
.project-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.9rem;
}
.project-card h3 { font-size: 1.15rem; }
.project-card .lang-dot {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: var(--ink-muted);
}
.project-card .lang-dot i {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--atlantic);
  display: inline-block;
}
.project-card p.desc {
  color: var(--ink-muted);
  font-size: 0.92rem;
  flex-grow: 1;
}
.project-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 1.2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  font-size: 0.85rem;
  color: var(--ink-faint);
}
.project-card-meta a { color: var(--ink-muted); }
.project-card-meta a:hover { color: var(--laterite); }
.badge-concept {
  font-size: 0.7rem;
  text-transform: lowercase;
  color: var(--laterite);
  border: 1px solid var(--laterite-dim);
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
}
.projects-status {
  font-size: 0.85rem;
  color: var(--ink-faint);
  margin-top: 1.5rem;
}

/* ==========================================================================
   Skills
   ========================================================================== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem 3rem;
}
.skill-cat h3 {
  font-size: 1.05rem;
  margin-bottom: 1.1rem;
  color: var(--ink-muted);
  font-weight: 500;
  font-family: var(--font-body);
}
.skill-list { list-style: none; margin: 0; padding: 0; }
.skill-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
  cursor: default;
}
.skill-item .name { font-family: var(--font-display); font-size: 1.05rem; }
.skill-item .years {
  color: var(--ink-faint);
  font-size: 0.82rem;
  opacity: 0;
  transform: translateX(6px);
  transition: opacity 0.2s, transform 0.2s;
}
.skill-item:hover .years { opacity: 1; transform: translateX(0); }
.skill-item:hover .name { color: var(--laterite); }

/* ==========================================================================
   Testimonials
   ========================================================================== */
.testimonial-track-wrap { overflow: hidden; }
.testimonial-track {
  display: flex;
  gap: 1.5rem;
  transition: transform 0.5s var(--ease-out);
}
.testimonial-card {
  flex: 0 0 100%;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 2rem;
  background: var(--bg-elevated);
}
@media (min-width: 760px) {
  .testimonial-card { flex: 0 0 calc(50% - 0.75rem); }
}
.testimonial-card p.quote {
  font-size: 1.1rem;
  color: var(--ink);
  line-height: 1.6;
}
.testimonial-who {
  margin-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--ink-muted);
  font-size: 0.85rem;
}
.testimonial-controls {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.75rem;
}
.testimonial-controls button {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  font-size: 1rem;
}
.testimonial-controls button:hover { border-color: var(--laterite); color: var(--laterite); }
.impact-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}
.impact-row .stat { text-align: left; }
.placeholder-note {
  font-size: 0.78rem;
  color: var(--ink-faint);
  margin-top: 2rem;
}

/* ==========================================================================
   Blog
   ========================================================================== */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}
.blog-card {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.75rem;
  transition: border-color 0.2s, transform 0.2s;
}
.blog-card:hover { border-color: var(--line-strong); transform: translateY(-3px); }
.blog-card .blog-meta {
  font-size: 0.8rem;
  color: var(--ink-faint);
  margin-bottom: 0.9rem;
}
.blog-card h3 { font-size: 1.2rem; margin-bottom: 0.7rem; }
.blog-card p { color: var(--ink-muted); font-size: 0.92rem; }

/* ==========================================================================
   Contact
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 4rem;
}
.contact-grid h2 {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  line-height: 1.08;
  max-width: 14ch;
}
.contact-clock {
  margin-top: 2rem;
  font-family: var(--font-display);
  color: var(--ink-muted);
  font-size: 0.95rem;
}
.contact-clock b { color: var(--ink); font-variant-numeric: tabular-nums; }
.social-row {
  display: flex;
  gap: 1rem;
  margin-top: 2.25rem;
  flex-wrap: wrap;
}
.social-row a {
  border: 1px solid var(--line-strong);
  padding: 0.6rem 1.2rem;
  border-radius: 999px;
  font-size: 0.9rem;
  transition: border-color 0.2s, color 0.2s;
}
.social-row a:hover { border-color: var(--laterite); color: var(--laterite); }
.resume-link {
  display: inline-block;
  margin-top: 2rem;
  color: var(--ink-muted);
  font-size: 0.9rem;
  border-bottom: 1px dashed var(--line-strong);
  padding-bottom: 2px;
}
.resume-link:hover { color: var(--laterite); border-color: var(--laterite); }

.contact-form { display: flex; flex-direction: column; gap: 1.25rem; }
.field { display: flex; flex-direction: column; gap: 0.5rem; }
.field label { font-size: 0.85rem; color: var(--ink-muted); }
.field input, .field textarea {
  background: var(--bg-elevated);
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  padding: 0.85rem 1rem;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 0.95rem;
  resize: vertical;
}
.field input:focus, .field textarea:focus {
  border-color: var(--laterite);
  outline: none;
}
.form-note {
  font-size: 0.78rem;
  color: var(--ink-faint);
}

/* ==========================================================================
   Footer
   ========================================================================== */
footer {
  border-top: 1px solid var(--line);
  padding: 2.5rem 0;
}
.footer-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-row p { color: var(--ink-faint); font-size: 0.85rem; }
#to-top {
  background: none;
  border: 1px solid var(--line-strong);
  color: var(--ink-muted);
  border-radius: 999px;
  padding: 0.5rem 1.1rem;
  font-size: 0.85rem;
  cursor: pointer;
}
#to-top:hover { color: var(--ink); border-color: var(--ink-muted); }

/* ==========================================================================
   Reveal-on-scroll utility
   ========================================================================== */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1 !important; transform: none !important; transition: none !important; }
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 980px) {
  .about-grid { grid-template-columns: 1fr; }
  .about-portrait { max-width: 260px; }
  .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .skills-grid { grid-template-columns: 1fr; gap: 2rem; }
  #hero-canvas { opacity: 0.35; width: 100vw; }
}
@media (max-width: 640px) {
  .stat-row { grid-template-columns: repeat(2, 1fr); }
  .impact-row { grid-template-columns: 1fr; }
  section { padding: 4.5rem 0; }
  .hero { padding-top: 7rem; }
}