/* ============================================
   JACK BELL — PORTFOLIO SHARED STYLES
   Palette derived from a torchlit cave (deep
   indigo/purple) with warm torch-flame orange
   accents, and a hint of vaporwave pink for
   glows and gradients.
============================================ */
@import url('https://fonts.googleapis.com/css2?family=Iceberg&family=Atkinson+Hyperlegible:wght@400;700&display=swap');

:root {
  /* -- cave / page background -- */
  --cave-dark:   #150f2b;
  --cave-mid:    #372a63;
  --cave-light:  #6a5a9e;

  /* -- torch / accent -- */
  --torch:       #f0a24a;
  --torch-light: #f7c98a;
  --torch-red:  #cf4c2f;

  /* -- surfaces -- */
  --shell-bg:    #120c24;
  --card-bg:     #241a44;
  --card-bg-2:   #2c2154;
  --tag-bg:      #1c1436;

  /* -- text -- */
  --text-light:  #f4eefc;
  --text-muted:  #b7a9d9;
  --text-on-torch: #2a1608;

  /* -- type -- */
  --font-heading: 'Iceberg', cursive;
  --font-body:    'Atkinson Hyperlegible', system-ui, sans-serif;

  /* -- font sizes -- */
  --font-size-body: clamp(1rem, 1.2vw, 2rem);
  --font-size-header: clamp(2rem, 2.5vw, 3rem);
  --font-size-subheader: clamp(1.2rem, 1.5vw, 1.5rem);
  --font-size-title: clamp(3rem, 5vw, 5rem);

  --radius: 14px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--text-light);
  background-color: var(--cave-dark);
  background-image: url('../images/bg.jpg');
  background-size: cover;
  background-position: center top;
  background-attachment: fixed;
  min-height: 100vh;
}

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

/* ---------- PAGE SHELL ---------- */
.page-shell {
  display: flex;
  flex-direction: column;
  max-width: 1400px;
  margin: 0 auto;
  background: var(--shell-bg);
  min-height: 100vh;
  box-shadow: 0 0 80px rgba(0,0,0,0.5);
}

/* ---------- NAV ---------- */
#site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  flex-shrink: 0;
}

/* Pushes the footer to the bottom of the viewport when the page's own
   content is shorter than the screen, without touching any page's HTML. */
#site-footer {
  margin-top: auto;
}

#site-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 0.9rem 2rem;
  background: var(--cave-mid);
  flex-wrap: wrap;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--text-light);
}

.nav-brand-icon {
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.nav-brand-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.nav-links {
  display: flex;
  gap: 0.6rem;
  list-style: none;
  flex-wrap: wrap;
}

.nav-links a {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.55rem 1.3rem;
  border-radius: 10px;
  background: rgba(255,255,255,0.06);
  color: var(--text-light);
  transition: background 0.2s, color 0.2s, transform 0.15s;
}

.nav-links a:hover { background: rgba(255,255,255,0.14); transform: translateY(-1px); }

.nav-links a.active {
  background: var(--torch);
  color: var(--text-on-torch);
}

/* ---------- HERO ---------- */
.hero {
  display: flex;
  align-items: center;
  gap: 3rem;
  padding: 4rem 3rem;
  flex-wrap: wrap;
}

.hero-photo {
  width: 260px;
  height: 260px;
  border-radius: 50%;
  flex-shrink: 0;
  background:
    linear-gradient(160deg, rgba(36,26,68,0.0), rgba(36,26,68,0.0)),
    var(--card-bg);
  background-size: cover;
  background-position: center;
  border: 6px solid var(--cave-light);
  box-shadow: 0 0 0 4px var(--shell-bg), 0 10px 40px rgba(0,0,0,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 3rem;
  color: var(--text-muted);
}

.hero-info { flex: 1 1 380px; min-width: 280px; }

.hero-name {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: var(--font-size-title);
  color: var(--torch);
  letter-spacing: 0.02em;
  margin-bottom: 0.3rem;
}

.hero-subtitle {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--font-size-subheader);
  background: rgba(255,255,255,0.08);
  padding: 0.35rem 1rem;
  border-radius: 8px;
  margin-bottom: 0.9rem;
}

.hero-email {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--torch-light);
  letter-spacing: 0.03em;
  margin-bottom: 1.2rem;
}

.hero-bio {
  font-size: var(--font-size-body);
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 620px;
}

/* ---------- SECTION HEADING ---------- */
.section-heading {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: var(--font-size-header);
  text-align: center;
  background: linear-gradient(90deg, var(--torch), var(--torch-red));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 2.5rem;
}

/* ---------- PROJECT GRID / CARDS ---------- */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  justify-items: center;
  gap: 1.75rem;
  padding: 0 3rem 4rem;
}

.project-grid-empty {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--text-muted);
  padding: 2rem 0;
}

.project-card {
  position: relative;
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 570px;
  background: var(--card-bg);
  border-radius: var(--radius);
  overflow: hidden;
  padding: 1.1rem;
  transition: background 0.35s ease, transform 0.25s ease, box-shadow 0.25s ease;
  cursor: pointer;
}

.project-card:hover,
.project-card:focus-visible {
  background: linear-gradient(150deg, var(--torch), var(--torch-red));
  transform: translateY(-4px);
  box-shadow: 0 14px 30px rgba(0,0,0,0.45);
}

.project-card-image {
  width: 100%;
  aspect-ratio: 16 / 10;
  border-radius: 10px;
  background:
    linear-gradient(160deg, rgba(0,0,0,0.15), rgba(0,0,0,0.35)),
    linear-gradient(135deg, var(--cave-light), var(--card-bg-2));
  background-size: cover;
  background-position: center;
  margin-bottom: 0.9rem;
}

.project-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.7rem;
}

.tag {
  font-family: var(--font-body);
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--torch-light);
  background: var(--tag-bg);
  padding: 0.3rem 0.6rem;
  border-radius: 999px;
  white-space: nowrap;
}

.project-card-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
  margin-bottom: 0.25rem;
  transition: color 0.3s;
}

.project-card-roles {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--torch-light);
  margin-bottom: 0.5rem;
  transition: color 0.3s;
}

.project-card:hover .project-card-roles,
.project-card:focus-visible .project-card-roles {
  color: var(--text-on-torch);
}

.project-card-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 0.75rem;
  transition: color 0.3s;
}

.project-card:hover .project-card-desc,
.project-card:focus-visible .project-card-desc {
  color: var(--text-on-torch);
}

.project-card:hover .project-card-title,
.project-card:focus-visible .project-card-title {
  color: var(--text-on-torch);
}

.project-card-cta {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--text-on-torch);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.project-card:hover .project-card-cta,
.project-card:focus-visible .project-card-cta {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- TEXT + MEDIA BLOCK (reusable component) ---------- */
.text-media {
  display: flex;
  align-items: center;
  gap: 3rem;
  padding: 3rem;
  flex-wrap: wrap;
}

.text-media.reverse { flex-direction: row-reverse; }

.tm-text, .tm-media { flex: 1 1 320px; }

.tm-text p { color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 0.9rem;
  font-size: var(--font-size-body);
}
.tm-text p:last-child { margin-bottom: 0; }

.tm-text a, .text-block a { color: var(--torch-light); }
.tm-text a:hover, .text-block a:hover { color: var(--torch); }

.tm-media img, .tm-media video {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: 0 10px 30px rgba(0,0,0,0.4);
}

/* ---------- VIDEO MUTE TOGGLE ---------- */
.video-wrap { position: relative; width: 100%; }

.mute-toggle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 48px;
  height: 48px;
  border: none;
  border-radius: 50%;
  background: rgba(90,90,90,0.55);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.2s ease, background 0.2s ease;
}

.video-wrap:hover .mute-toggle,
.mute-toggle:focus-visible {
  opacity: 1;
}

.mute-toggle:hover { background: rgba(90,90,90,0.8); }

/* ---------- AUDIO ---------- */
.audio-wrap {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  background: var(--card-bg-2);
  border-radius: var(--radius);
  padding: 2rem 2.5rem;
  box-shadow: 0 10px 30px rgba(0,0,0,0.4);
}

/* Its own standalone circle button — unlike the video mute-toggle this
   has no video frame to overlay, so it's plainly in-flow and always
   visible rather than absolutely positioned/hover-to-reveal. */
.audio-toggle {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border: none;
  border-radius: 50%;
  background: rgba(90,90,90,0.55);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s ease;
}

.audio-toggle:hover { background: rgba(90,90,90,0.8); }

.audio-seek {
  flex: 1 1 auto;
  min-width: 0;
  max-width: 400px;
  accent-color: var(--torch);
}

/* A text-media block with no media — plain, centered paragraph text. */
.text-block {
  max-width: 760px;
  margin: 0 auto;
  padding: 1.5rem 0;
  text-align: center;
}

.text-block p {
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 0.9rem;
  font-size: var(--font-size-body);
}
.text-block p:last-child { margin-bottom: 0; }

/* A text-media block with no text — plain, centered media. */
.media-block {
  max-width: 760px;
  margin: 0 auto;
  padding: 1.5rem 0;
}

.media-block img, .media-block video {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: 0 10px 30px rgba(0,0,0,0.4);
}

/* ---------- PROJECT DETAIL PAGE ---------- */
.project-hero {
  padding: 3.5rem 3rem 2.5rem;
  text-align: center;
}

.project-hero h1 {
  font-family: var(--font-heading);
  font-weight: 400;
  font-size: var(--font-size-title);
  color: var(--torch);
  margin-bottom: 0.5rem;
}

.project-hero-tagline {
  font-size: var(--font-size-body);
  color: var(--text-light);
  max-width: 640px;
  margin: 0 auto 0.4rem;
}

.project-hero-roles {
  font-size: var(--font-size-body);
  font-weight: 700;
  color: var(--torch-light);
  margin-bottom: 0.9rem;
}

.project-hero .project-card-tags {
  justify-content: center;
  margin-bottom: 1.75rem;
}

.project-hero-media {
  max-width: 900px;
  margin: 0 auto 1.75rem;
}

.project-hero-media img,
.project-hero-media video {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: 0 10px 30px rgba(0,0,0,0.4);
}

.credits-heading {
  font-family: var(--font-heading);
  font-weight: 400;
  font-size: var(--font-size-subheader);
  color: var(--torch);
  margin-bottom: 0.75rem;
}

.credits-table {
  max-width: 520px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.credit-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  background: var(--card-bg);
  border-radius: 8px;
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  text-align: left;
}

.credit-role { color: var(--text-muted); }
.credit-name { color: var(--text-light); font-weight: 700; }

/* Optional blocks between the credits table and the section jump-nav. */
.project-intro {
  font-size: var(--font-size-body);
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 3rem;
}

.section-jumpnav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  padding: 0 3rem 3rem;
}

.section-jumpnav a {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  padding: 0.45rem 1.1rem;
  border-radius: 999px;
  background: var(--tag-bg);
  color: var(--torch-light);
  transition: background 0.2s, color 0.2s;
}

.section-jumpnav a:hover { background: var(--torch); color: var(--text-on-torch); }

.content-section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 3rem 3rem;
  scroll-margin-top: 1.5rem;
}

.content-section h2 {
  font-family: var(--font-heading);
  font-weight: 400;
  font-size: var(--font-size-header);
  color: var(--torch);
  text-align: center;
  margin-bottom: 0.5rem;
}

.content-section .text-media,
.content-section .media-block { padding: 1.5rem 0; }

.back-to-top {
  display: block;
  width: fit-content;
  margin: 1.5rem auto 0;
  padding: 0.5rem 1.3rem;
  border-radius: 999px;
  background: var(--tag-bg);
  color: var(--torch-light);
  font-family: var(--font-heading);
  font-size: 0.85rem;
  transition: background 0.2s, color 0.2s, transform 0.15s;
}

.back-to-top:hover { background: var(--torch); color: var(--text-on-torch); transform: translateY(-2px); }

/* ---------- EMBEDS (YouTube / Google Drive / blueprintue) ---------- */
.embed-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,0.4);
}

.embed-wrap iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* blueprintue graphs have their own fixed pixel size, not a video
   aspect ratio — give them a tall fixed box instead of 16:9 so most
   graphs aren't clipped/scrollbarred. */
.embed-wrap-blueprintue {
  aspect-ratio: auto;
  height: 40rem;
}

/* ---------- SUBSECTIONS (collapsible, collapsed by default) ---------- */
.subsection {
  margin-top: 1.25rem;
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 0 1.25rem;
}

.subsection summary {
  cursor: pointer;
  list-style: none;
  padding: 1rem 0;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-heading);
  font-size: var(--font-size-subheader);
  color: var(--text-light);
}

.subsection summary::-webkit-details-marker { display: none; }
.subsection summary::marker { content: ''; }

.subsection summary::after {
  content: '+';
  margin-left: auto;
  font-size: 1.3rem;
  color: var(--torch-light);
  transition: transform 0.2s;
}

.subsection[open] summary::after { transform: rotate(45deg); }

.subsection-tag {
  flex-shrink: 0;
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-on-torch);
  background: var(--torch);
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
}

.subsection-body { padding-bottom: 1.25rem; }
.subsection-body .text-media,
.subsection-body .text-block,
.subsection-body .media-block { padding: 1rem 0; }

/* ---------- GENERIC PAGE CONTENT (stub pages) ---------- */
.page-content {
  padding: 5rem 3rem;
  text-align: center;
}

.page-content h1 {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: var(--font-size-title);
  color: var(--torch);
  margin-bottom: 1rem;
}

.page-content p {
  font-size: var(--font-size-body);
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ---------- FOOTER ---------- */
#site-footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 1.5rem 2rem;
  background: var(--cave-mid);
  font-size: 0.8rem;
  color: var(--text-muted);
}

#site-footer-inner a { color: var(--torch-light); }
#site-footer-inner a:hover { color: var(--text-light); }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 640px) {
  .hero { padding: 2.5rem 1.5rem; flex-direction: column; text-align: center; justify-content: center; }
  .hero-email { justify-content: center; }
  .project-grid { padding: 0 1.5rem 3rem; }
  .text-media { padding: 2rem 1.5rem; }
  #site-nav-inner { padding: 0.8rem 1.2rem; justify-content: center; }
}