/* =========================================================
   STEPHEN OCHIENG — FUI PORTFOLIO
   Chunk 2: Styles
   ========================================================= */

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

:root {
  /* colors */
  --bg-0: #04060f;
  --bg-1: #070b18;
  --bg-2: #0b1122;
  --panel: rgba(12, 20, 40, 0.55);
  --panel-solid: #0a1224;
  --border: rgba(90, 170, 255, 0.18);
  --border-strong: rgba(120, 200, 255, 0.45);
  --neon: #4fc3ff;
  --neon-2: #7ee0ff;
  --neon-deep: #1e6fe0;
  --glow: rgba(79, 195, 255, 0.55);
  --text: #e8f1ff;
  --text-dim: #8ba3c7;
  --text-mute: #5a6f91;
  --accent: #4fc3ff;

  /* type */
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
  --font-display: 'Orbitron', 'Inter', sans-serif;

  /* layout */
  --max-w: 1240px;
  --pad: clamp(1.25rem, 4vw, 3rem);
  --radius: 14px;
  --radius-sm: 8px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--bg-0);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* subtle radial bg behind canvas */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(30, 111, 224, 0.15), transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 80%, rgba(79, 195, 255, 0.08), transparent 60%);
  pointer-events: none;
  z-index: 0;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
.mono { font-family: var(--font-mono); }

/* ---------- 3D CANVAS ---------- */
.webgl {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 1;
  pointer-events: none;
}

/* ---------- LOADER ---------- */
.loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg-0);
  display: grid;
  place-items: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}
.loader.is-done { opacity: 0; visibility: hidden; }

.loader-inner {
  text-align: center;
  width: min(320px, 80vw);
}
.loader-ring {
  width: 64px; height: 64px;
  margin: 0 auto 1.5rem;
  border: 2px solid rgba(79, 195, 255, 0.15);
  border-top-color: var(--neon);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.loader-text {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  color: var(--neon);
  margin-bottom: 1rem;
}
.loader-bar {
  height: 2px;
  background: rgba(79, 195, 255, 0.15);
  border-radius: 2px;
  overflow: hidden;
}
.loader-bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--neon-deep), var(--neon-2));
  box-shadow: 0 0 12px var(--glow);
  transition: width 0.2s ease;
}
.loader-pct {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-mute);
  margin-top: 0.75rem;
  letter-spacing: 0.15em;
}

/* ---------- HUD ---------- */
.hud {
  position: fixed;
  inset: 0;
  z-index: 100;
  pointer-events: none;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  color: var(--text-dim);
}
.hud-corner {
  position: absolute;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 1rem 1.25rem;
}
.hud-tl { top: 0; left: 0; flex-direction: row; align-items: center; gap: 0.5rem; }
.hud-tr { top: 0; right: 0; text-align: right; }
.hud-bl { bottom: 0; left: 0; }
.hud-br { bottom: 0; right: 0; text-align: right; }

.hud-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 8px var(--glow);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.8); }
}
.hud-label { color: var(--text-dim); }
.hud-sub { color: var(--text-mute); font-size: 0.6rem; }

/* side nav */
.hud-nav {
  position: absolute;
  top: 50%;
  right: 1.5rem;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  pointer-events: auto;
}
.hud-nav-dot {
  position: relative;
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
}
.hud-nav-dot span {
  width: 8px; height: 8px;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  background: transparent;
  transition: all 0.3s ease;
}
.hud-nav-dot:hover span,
.hud-nav-dot.is-active span {
  background: var(--neon);
  border-color: var(--neon);
  box-shadow: 0 0 12px var(--glow);
  transform: scale(1.2);
}
.hud-nav-dot::after {
  content: attr(data-label);
  position: absolute;
  right: 32px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: var(--text-dim);
  opacity: 0;
  transition: opacity 0.25s ease;
  white-space: nowrap;
}
.hud-nav-dot:hover::after { opacity: 1; }

@media (max-width: 640px) {
  .hud-nav { right: 0.75rem; gap: 1rem; }
  .hud-nav-dot::after { display: none; }
  .hud-tr, .hud-br { display: none; }
}

/* ---------- LAYOUT ---------- */
.section {
  position: relative;
  z-index: 5;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: clamp(5rem, 12vh, 9rem) var(--pad);
}

.section-head {
  margin-bottom: clamp(2.5rem, 6vh, 4rem);
  max-width: 720px;
}
.section-index {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  color: var(--neon);
  margin-bottom: 1rem;
}
.section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.75rem, 5vw, 3rem);
  letter-spacing: 0.02em;
  line-height: 1.1;
  margin-bottom: 0.75rem;
}
.section-title .accent {
  color: var(--neon);
  text-shadow: 0 0 24px var(--glow);
}
.section-desc {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--text-dim);
}

/* ---------- HERO ---------- */
.section-hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 6rem;
}
.hero-content { max-width: 780px; }

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 100px;
  background: rgba(79, 195, 255, 0.04);
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  color: var(--text-dim);
  margin-bottom: 1.75rem;
}
.pulse-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 8px var(--glow);
  animation: pulse 2s ease-in-out infinite;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(3rem, 12vw, 7.5rem);
  line-height: 0.92;
  letter-spacing: -0.01em;
  margin-bottom: 1.5rem;
}
.hero-line { display: block; }
.hero-line-accent {
  color: transparent;
  -webkit-text-stroke: 1.5px var(--neon);
  text-stroke: 1.5px var(--neon);
  text-shadow: 0 0 40px rgba(79, 195, 255, 0.35);
}

.hero-tagline {
  font-family: var(--font-mono);
  font-size: clamp(0.9rem, 2.2vw, 1.15rem);
  color: var(--neon-2);
  margin-bottom: 1.5rem;
  min-height: 1.6em;
  letter-spacing: 0.02em;
}
.hero-tagline .mono { color: var(--neon); margin-right: 0.5rem; }
.cursor {
  display: inline-block;
  color: var(--neon);
  animation: blink 1s step-end infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--text-dim);
  max-width: 560px;
  margin-bottom: 2.25rem;
}
.hero-sub strong { color: var(--text); font-weight: 600; }

.hero-cta {
  display: flex;
  gap: 0.9rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1.6rem;
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.3s ease;
}
.btn-primary {
  background: var(--neon);
  color: #04060f;
  box-shadow: 0 0 24px rgba(79, 195, 255, 0.35);
}
.btn-primary:hover {
  background: var(--neon-2);
  transform: translateY(-2px);
  box-shadow: 0 0 40px rgba(79, 195, 255, 0.6);
}
.btn-ghost {
  background: transparent;
  border-color: var(--border-strong);
  color: var(--text);
}
.btn-ghost:hover {
  border-color: var(--neon);
  color: var(--neon);
  background: rgba(79, 195, 255, 0.06);
  transform: translateY(-2px);
}

.hero-quote {
  font-family: var(--font-mono);
  font-size: clamp(0.85rem, 2vw, 1.05rem);
  letter-spacing: 0.08em;
  color: var(--neon);
  margin-bottom: 2rem;
  text-shadow: 0 0 18px rgba(79, 195, 255, 0.45);
  opacity: 0.95;
  animation: none;
}
.hero-quote .hot {
  color: #ff4d2e;
  text-shadow: 0 0 14px rgba(255, 77, 46, 0.7);
  font-weight: 700;
}

/* mobile fix: stop it touching the buttons */
/* mobile fix: stop it touching the buttons */
@media (max-width: 640px) {
  .hero-quote {
    color: #e8f1ff;
    margin: 1rem 0 3rem;
    line-height: 1.6;
    font-size: 0.9rem;
    letter-spacing: 0.04em;
    max-width: 100%;
    display: block;
    word-break: normal;
    overflow-wrap: break-word;
  }
  .hero-cta {
    margin-top: 1rem;
    margin-bottom: 0;
  }
  .hero-sub {
    margin-bottom: 1.5rem;
  }
}

.hero-meta {
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}
.meta-item { display: flex; flex-direction: column; gap: 0.3rem; }
.meta-k { font-size: 0.6rem; letter-spacing: 0.25em; color: var(--text-mute); }
.meta-v { font-size: 0.8rem; color: var(--text); letter-spacing: 0.05em; }
.meta-live { color: var(--neon); text-shadow: 0 0 10px var(--glow); }

.scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  color: var(--text-mute);
}
.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(180deg, var(--neon), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine {
  0%, 100% { transform: scaleY(1); opacity: 1; }
  50% { transform: scaleY(0.5); opacity: 0.4; }
}

/* ---------- BENTO (skills) ---------- */
.bento {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
.bento-card {
  position: relative;
  padding: 1.75rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
  overflow: hidden;
}
.bento-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--mx, 50%) var(--my, 50%), rgba(79, 195, 255, 0.15), transparent 40%);
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}
.bento-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px -20px rgba(79, 195, 255, 0.35);
}
.bento-card:hover::before { opacity: 1; }
.bento-wide { grid-column: span 2; }

.card-corner {
  position: absolute;
  width: 10px; height: 10px;
  border-color: var(--neon);
  border-style: solid;
  border-width: 0;
  opacity: 0.7;
}
.card-corner.tl { top: 8px; left: 8px; border-top-width: 1px; border-left-width: 1px; }
.card-corner.tr { top: 8px; right: 8px; border-top-width: 1px; border-right-width: 1px; }
.card-corner.bl { bottom: 8px; left: 8px; border-bottom-width: 1px; border-left-width: 1px; }
.card-corner.br { bottom: 8px; right: 8px; border-bottom-width: 1px; border-right-width: 1px; }

.card-tag {
  display: block;
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  color: var(--neon);
  margin-bottom: 0.75rem;
}
.card-title {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 1.1rem;
  letter-spacing: 0.01em;
}
.chip-row { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.chip {
  padding: 0.35rem 0.75rem;
  font-size: 0.72rem;
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
  background: rgba(79, 195, 255, 0.07);
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-dim);
  transition: all 0.25s ease;
}
.bento-card:hover .chip {
  border-color: var(--border-strong);
  color: var(--text);
}

@media (max-width: 900px) {
  .bento { grid-template-columns: repeat(2, 1fr); }
  .bento-wide { grid-column: span 2; }
}
@media (max-width: 540px) {
  .bento { grid-template-columns: 1fr; }
  .bento-wide { grid-column: span 1; }
}

/* ---------- PROJECTS ---------- */
.projects { display: flex; flex-direction: column; gap: 2rem; }

.project {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 2rem;
  padding: 1.5rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}
.project:hover {
  border-color: var(--border-strong);
  box-shadow: 0 24px 70px -25px rgba(79, 195, 255, 0.4);
  transform: translateY(-3px);
}
.project-reverse { grid-template-columns: 1fr 1.1fr; }
.project-reverse .project-media { order: 2; }

.project-media {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: var(--bg-2);
  border: 1px solid var(--border);
}
.project-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}
.project:hover .project-media img { transform: scale(1.05); }
.project-media-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(4, 6, 15, 0.7));
  pointer-events: none;
}

.project-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0.5rem;
}
.project-num {
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  color: var(--neon);
  margin-bottom: 0.6rem;
}
.project-title {
  font-size: clamp(1.25rem, 2.5vw, 1.7rem);
  font-weight: 600;
  margin-bottom: 0.9rem;
  letter-spacing: 0.01em;
}
.project-desc {
  color: var(--text-dim);
  font-size: 0.95rem;
  margin-bottom: 1.1rem;
}
.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.4rem;
}
.tag {
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  padding: 0.3rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-dim);
  background: rgba(79, 195, 255, 0.04);
}
.project-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--neon);
  align-self: flex-start;
  padding-bottom: 0.25rem;
  border-bottom: 1px solid transparent;
  transition: all 0.3s ease;
}
.project-link:hover {
  border-bottom-color: var(--neon);
  gap: 0.8rem;
}

@media (max-width: 780px) {
  .project, .project-reverse { grid-template-columns: 1fr; }
  .project-reverse .project-media { order: 0; }
}

/* ---------- EVENTS ---------- */
.events {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.event {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}
.event:hover {
  border-color: var(--border-strong);
  transform: translateY(-4px);
  box-shadow: 0 24px 70px -25px rgba(79, 195, 255, 0.4);
}
.event-media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
}
.event-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}
.event:hover .event-media img { transform: scale(1.06); }
.event-badge {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  padding: 0.3rem 0.7rem;
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  background: rgba(4, 6, 15, 0.75);
  border: 1px solid var(--border-strong);
  border-radius: 100px;
  color: var(--neon);
  backdrop-filter: blur(8px);
}
.event-body { padding: 1.25rem; }
.event-title {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
}
.event-desc {
  font-size: 0.88rem;
  color: var(--text-dim);
  margin-bottom: 1rem;
}
.event-loc {
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  color: var(--neon);
}

@media (max-width: 900px) {
  .events { grid-template-columns: 1fr; }
}

/* ---------- HIGHLIGHTS ---------- */
.highlights {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
.highlight {
  padding: 1.75rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all 0.4s ease;
}
.highlight:hover {
  border-color: var(--border-strong);
  background: rgba(12, 20, 40, 0.75);
}
.highlight-icon {
  display: inline-block;
  color: var(--neon);
  font-size: 0.9rem;
  margin-bottom: 0.9rem;
  text-shadow: 0 0 12px var(--glow);
}
.highlight-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
}
.highlight p { color: var(--text-dim); font-size: 0.9rem; }

@media (max-width: 640px) {
  .highlights { grid-template-columns: 1fr; }
}

/* ---------- FOOTER ---------- */
.footer {
  position: relative;
  z-index: 5;
  border-top: 1px solid var(--border);
  background: rgba(4, 6, 15, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: clamp(3rem, 6vh, 4.5rem) var(--pad) 1.5rem;
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 3rem;
}
.footer-col { display: flex; flex-direction: column; gap: 0.5rem; }
.footer-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.05em;
  color: var(--text);
}
.footer-sub { font-size: 0.7rem; letter-spacing: 0.15em; color: var(--text-mute); }
.footer-k {
  font-size: 0.6rem;
  letter-spacing: 0.25em;
  color: var(--neon);
  margin-bottom: 0.3rem;
}
.footer-link {
  font-size: 0.85rem;
  color: var(--text-dim);
  transition: color 0.25s ease;
}
.footer-link:hover { color: var(--neon); }
.footer-muted { color: var(--text-mute); font-size: 0.7rem; }

.footer-bottom {
  max-width: var(--max-w);
  margin: 0 auto;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  color: var(--text-mute);
}
.footer-live { color: var(--neon); text-shadow: 0 0 8px var(--glow); }

@media (max-width: 780px) {
  .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .footer-inner { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; }
}

/* ---------- SCROLL REVEAL ---------- */
.reveal { opacity: 0; transform: translateY(40px); transition: opacity 0.9s cubic-bezier(0.22, 1, 0.36, 1), transform 0.9s cubic-bezier(0.22, 1, 0.36, 1); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- 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; }
  .webgl { display: none; }
  .reveal { opacity: 1; transform: none; }
}