/* ============================================================
   Christian Harris — Projects
   Shares design tokens with css/index.css.
   ============================================================ */

:root {
  --ink:         #15171A;
  --ink-mid:     #3A3F45;
  --muted:       #5B6169;
  --faint:       #6B7178;
  --line:        #E7E9EA;
  --line-soft:   #F0F1F2;
  --bg:          #FFFFFF;
  --bg-soft:     #F6F7F8;

  --blue:        #3671A0;
  --blue-dark:   #2F6291;
  --blue-tint:   #EAF3F9;

  --moss:        #5C7A5E;
  --moss-dark:   #46603F;
  --moss-tint:   #EEF2EC;

  --display:     'Fraunces', serif;
  --body:        'Inter', sans-serif;

  --radius-lg:   22px;
  --radius-md:   14px;
  --radius-sm:   9px;

  --shadow-sm:   0 1px 2px rgba(21,23,26,.06);
  --shadow-md:   0 8px 24px rgba(21,23,26,.08);
  --shadow-lg:   0 24px 60px rgba(21,23,26,.16);

  --ease: cubic-bezier(0.22,1,0.36,1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}
body { margin: 0; font-family: var(--body); color: var(--ink); background: var(--bg); -webkit-font-smoothing: antialiased; line-height: 1.5; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; }

.skip-link { position: absolute; left: -999px; top: 0; z-index: 999; background: var(--ink); color: #fff; padding: .75rem 1.25rem; border-radius: 0 0 8px 0; }
.skip-link:focus { left: 0; }

/* ---------- Nav (shared pattern with homepage) ---------- */
.site-nav { position: sticky; top: 0; z-index: 500; background: rgba(255,255,255,.86); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); border-bottom: 1px solid transparent; transition: border-color .2s var(--ease); }
.site-nav.scrolled { border-color: var(--line); }
.site-nav__inner { max-width: 1240px; margin: 0 auto; padding: .9rem 2rem; display: flex; align-items: center; gap: 2rem; }
.site-nav__logo { display: flex; align-items: center; gap: .6rem; margin-right: auto; }
.logo-mark { width: 34px; height: 34px; border-radius: 9px; background: var(--ink); color: #fff; display: flex; align-items: center; justify-content: center; font-family: var(--display); font-size: .85rem; font-weight: 600; }
.logo-word { font-weight: 600; font-size: .98rem; letter-spacing: -.01em; }
.site-nav__links { display: flex; gap: 1.8rem; font-size: .92rem; font-weight: 500; color: var(--muted); }
.site-nav__links a:hover { color: var(--ink); }
.site-nav__links a.is-active { color: var(--blue-dark); }
.site-nav__cta { background: var(--ink); color: #fff; padding: .6rem 1.25rem; border-radius: 999px; font-size: .88rem; font-weight: 600; transition: background .18s var(--ease); }
.site-nav__cta:hover { background: var(--blue-dark); }
.site-nav__burger { display: none; flex-direction: column; gap: 4px; background: none; border: none; padding: .4rem; cursor: pointer; }
.site-nav__burger span { width: 20px; height: 2px; background: var(--ink); transition: transform .2s, opacity .2s; }
.site-nav__mobile { display: none; }
@media (max-width: 780px) {
  .site-nav__links, .site-nav__cta { display: none; }
  .site-nav__burger { display: flex; }
  .site-nav__mobile { display: flex; flex-direction: column; max-height: 0; overflow: hidden; background: #fff; border-top: 1px solid var(--line); transition: max-height .25s var(--ease); }
  .site-nav__mobile.open { max-height: 280px; }
  .site-nav__mobile a { padding: 1rem 2rem; border-bottom: 1px solid var(--line-soft); font-weight: 500; }
  .site-nav__mobile .site-nav__cta { display: block; margin: 1rem 2rem; text-align: center; }
  .site-nav__burger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .site-nav__burger.open span:nth-child(2) { opacity: 0; }
  .site-nav__burger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
}

/* ---------- Editorial hero w/ photo mosaic ---------- */
.page-hero { position: relative; overflow: hidden; padding: clamp(3rem, 8vw, 6rem) 2rem clamp(2.5rem, 6vw, 4rem); background: var(--bg-soft); }
.page-hero-mosaic { position: absolute; inset: 0; z-index: 0; display: grid; grid-template-columns: repeat(6, 1fr); opacity: .14; }
.mosaic-tile { overflow: hidden; aspect-ratio: 1; }
.mosaic-tile img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(45%); }
.page-hero-inner { position: relative; z-index: 1; max-width: 1240px; margin: 0 auto; text-align: center; }
.page-eyebrow { font-size: .8rem; font-weight: 600; color: var(--blue-dark); margin: 0 0 .8rem; }
.page-hero-inner h1 { font-family: var(--display); font-weight: 500; font-size: clamp(2.6rem, 6vw, 4.4rem); line-height: 1.05; margin: 0 0 1.1rem; letter-spacing: -.01em; color: var(--ink); }
.page-sub { max-width: 46ch; margin: 0 auto; color: var(--muted); font-size: 1.05rem; line-height: 1.6; }
.page-hero-stats { display: flex; justify-content: center; gap: 2.5rem; margin-top: 2rem; }
.stat { display: flex; flex-direction: column; align-items: center; }
.stat-num { font-family: var(--display); font-size: 1.8rem; font-weight: 600; color: var(--ink); }
.stat-label { font-size: .8rem; color: var(--muted); font-weight: 500; }

/* ---------- Filters: sliding pill ---------- */
.filters { position: sticky; top: 62px; z-index: 100; background: rgba(255,255,255,.92); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.filters-inner { position: relative; max-width: 1240px; margin: 0 auto; padding: .9rem 2rem; display: flex; gap: .4rem; overflow-x: auto; scrollbar-width: none; }
.filters-inner::-webkit-scrollbar { display: none; }
.filter-btn { background: transparent; border: none; padding: .6rem 1.1rem; border-radius: 999px; font-size: .88rem; font-weight: 600; color: var(--muted); cursor: pointer; white-space: nowrap; transition: color .2s var(--ease), background-color .2s var(--ease); }
.filter-btn.active { background: var(--ink); color: #fff; }
.filter-btn:hover:not(.active) { color: var(--ink); background: var(--line-soft); }
.filter-count { font-size: .74rem; opacity: .65; margin-left: .3rem; }

/* ---------- Project grid (bento) ---------- */
.project-grid { max-width: 1240px; margin: 0 auto; padding: clamp(2.5rem, 5vw, 4rem) 2rem clamp(3rem, 6vw, 5rem); display: grid; grid-template-columns: repeat(3, 1fr); grid-auto-flow: dense; gap: 1.4rem; }
.project-card {
  position: relative; border-radius: var(--radius-md); overflow: hidden; background: var(--bg-soft); border: 1px solid var(--line); cursor: pointer;
  opacity: 0; transform: translateY(16px); transition: opacity .5s var(--ease), transform .5s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease);
}
.project-card.revealed { opacity: 1; transform: translateY(0); }
.project-card:hover { box-shadow: var(--shadow-md); border-color: transparent; }
.project-card--wide { grid-column: span 2; }
.card-thumb { position: relative; aspect-ratio: 4/3; overflow: hidden; }
.project-card--wide .card-thumb { aspect-ratio: 16/9; }
.card-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.project-card:hover .card-thumb img { transform: scale(1.045); }
.card-no-img { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; background: var(--line-soft); color: var(--faint); font-size: .85rem; }
.card-overlay { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(21,23,26,0) 55%, rgba(21,23,26,.55) 100%); opacity: 0; transition: opacity .25s var(--ease); display: flex; align-items: flex-end; padding: 1rem; }
.project-card:hover .card-overlay { opacity: 1; }
.card-view-label { color: #fff; font-size: .82rem; font-weight: 600; }
.card-img-count { position: absolute; top: .7rem; right: .7rem; background: rgba(21,23,26,.6); color: #fff; font-size: .68rem; font-weight: 600; padding: .28rem .6rem; border-radius: 999px; }
.card-share-btn {
  position: absolute; bottom: .7rem; right: .7rem; display: flex; align-items: center; gap: .35rem;
  background: rgba(255,255,255,.92); border: none; padding: .4rem .65rem; border-radius: 999px;
  font-size: .72rem; font-weight: 600; color: var(--ink); cursor: pointer; opacity: 0; transform: translateY(4px);
  transition: opacity .2s var(--ease), transform .2s var(--ease);
}
.project-card:hover .card-share-btn { opacity: 1; transform: translateY(0); }
/* Touch devices have no :hover — keep the share control reachable without it */
@media (hover: none) {
  .card-share-btn { opacity: 1; transform: none; }
  .card-share-btn span { display: none; }
}
.card-body { padding: 1.1rem 1.2rem 1.3rem; }
.card-category { display: inline-block; font-size: .72rem; font-weight: 600; color: var(--moss-dark); background: var(--moss-tint); padding: .22rem .6rem; border-radius: 999px; margin-bottom: .5rem; text-transform: capitalize; }
.card-title { font-family: var(--display); font-weight: 500; font-size: 1.08rem; margin: 0 0 .3rem; }
.card-date { color: var(--faint); font-size: .82rem; }
.empty-state { grid-column: 1/-1; text-align: center; padding: 4rem 1rem; color: var(--muted); }
.empty-state .btn-primary { display: inline-block; margin-top: 1rem; background: var(--blue); color: #fff; padding: .8rem 1.6rem; border-radius: 999px; font-weight: 600; }

@media (max-width: 900px) {
  .project-grid { grid-template-columns: repeat(2, 1fr); }
  .project-card--wide { grid-column: span 2; }
}
@media (max-width: 560px) {
  .project-grid { grid-template-columns: 1fr; }
  .project-card--wide { grid-column: span 1; }
  .filters { top: 0; }
}

/* ---------- Contact section ---------- */
.contact-section { background: linear-gradient(135deg, var(--ink) 0%, #232830 100%); padding: clamp(3.5rem, 7vw, 6rem) 2rem; }
.contact-section-inner { max-width: 1000px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1.15fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.contact-eyebrow { font-size: .8rem; font-weight: 600; color: var(--blue-tint); }
.contact-heading { font-family: var(--display); font-weight: 500; font-size: clamp(1.9rem, 3.5vw, 2.5rem); color: #fff; margin: .6rem 0 .8rem; }
.contact-desc { color: rgba(255,255,255,.72); line-height: 1.6; margin: 0 0 1.4rem; }
.contact-desc a { color: #fff; font-weight: 600; text-decoration: underline; text-underline-offset: 2px; }
.contact-points { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: .6rem; }
.contact-points li { display: flex; align-items: center; gap: .6rem; color: rgba(255,255,255,.82); font-size: .92rem; }
.point-dot { width: 6px; height: 6px; border-radius: 999px; background: var(--blue); flex-shrink: 0; }
.contact-form { background: #fff; border-radius: var(--radius-lg); padding: 1.8rem; box-shadow: var(--shadow-lg); display: flex; flex-direction: column; gap: 1.1rem; }
.contact-form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.contact-form__field { display: flex; flex-direction: column; gap: .4rem; }
.contact-form__field label { font-size: .82rem; font-weight: 600; color: var(--ink-mid); }
.contact-form__field input, .contact-form__field textarea {
  border: 1px solid var(--line); border-radius: var(--radius-sm); padding: .75rem .9rem; font-family: var(--body);
  font-size: .92rem; color: var(--ink); background: var(--bg-soft); resize: vertical; transition: border-color .18s var(--ease);
}
.contact-form__field input:focus, .contact-form__field textarea:focus { outline: none; border-color: var(--blue); background: #fff; }
.contact-form__foot { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.contact-submit { background: var(--blue); color: #fff; border: none; padding: .85rem 1.6rem; border-radius: 999px; font-weight: 600; font-size: .92rem; cursor: pointer; transition: background .18s var(--ease); }
.contact-submit:hover { background: var(--blue-dark); }
.contact-submit:disabled { opacity: .6; cursor: default; }
.contact-form__status { font-size: .85rem; margin: 0; }
.contact-form__status.success { color: var(--moss-dark); }
.contact-form__status.error { color: #b3441f; }
@media (max-width: 780px) { .contact-section-inner { grid-template-columns: 1fr; } .contact-form__row { grid-template-columns: 1fr; } }

/* ---------- Footer ---------- */
.page-footer { border-top: 1px solid var(--line); }
.footer-inner { max-width: 1240px; margin: 0 auto; padding: 2rem; display: flex; align-items: center; justify-content: center; gap: 1rem; flex-wrap: wrap; font-size: .84rem; color: var(--faint); }
.footer-logo { font-family: var(--display); font-weight: 600; color: var(--ink); }
.footer-email { color: var(--blue-dark); font-weight: 500; }

/* ---------- Lightbox ---------- */
.lightbox { position: fixed; inset: 0; z-index: 1000; display: flex; align-items: center; justify-content: center; padding: 1.5rem; opacity: 0; pointer-events: none; transition: opacity .25s var(--ease); }
.lightbox.open { opacity: 1; pointer-events: auto; }
.lightbox-backdrop { position: absolute; inset: 0; background: rgba(21,23,26,.72); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.lightbox-panel {
  position: relative; background: #fff; border-radius: var(--radius-lg); max-width: 960px; width: 100%; max-height: 90vh; max-height: 90dvh;
  overflow: hidden; display: grid; grid-template-columns: 1.3fr 1fr; box-shadow: var(--shadow-lg);
  transform: scale(.96); transition: transform .25s var(--ease);
}
.lightbox.open .lightbox-panel { transform: scale(1); }
.lb-close { position: absolute; top: 1rem; right: 1rem; z-index: 3; width: 36px; height: 36px; border-radius: 999px; background: rgba(255,255,255,.92); border: none; cursor: pointer; font-size: 1rem; }
.lb-media { position: relative; background: var(--bg-soft); overflow: hidden; min-height: 320px; align-self: stretch; }
.lb-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: opacity .18s var(--ease); }
.lb-nav { position: absolute; top: 50%; transform: translateY(-50%); width: 38px; height: 38px; border-radius: 999px; background: rgba(255,255,255,.9); border: none; display: flex; align-items: center; justify-content: center; cursor: pointer; z-index: 2; }
.lb-prev { left: 1rem; } .lb-next { right: 1rem; }
.lb-img-counter { position: absolute; bottom: 1rem; left: 50%; transform: translateX(-50%); background: rgba(21,23,26,.6); color: #fff; font-size: .74rem; font-weight: 600; padding: .3rem .7rem; border-radius: 999px; }
.lb-info { padding: 1.8rem; overflow-y: auto; display: flex; flex-direction: column; }
.lb-meta { display: flex; align-items: center; gap: .8rem; margin-bottom: .8rem; }
.lb-category { font-size: .72rem; font-weight: 600; color: var(--moss-dark); background: var(--moss-tint); padding: .25rem .6rem; border-radius: 999px; text-transform: capitalize; }
.lb-date { font-size: .8rem; color: var(--faint); }
.lb-title { font-family: var(--display); font-weight: 500; font-size: 1.4rem; margin: 0 0 .6rem; }
.lb-desc { color: var(--muted); line-height: 1.6; margin: 0 0 1.2rem; }
.lb-skills { margin-bottom: 1.4rem; }
.lb-skills-label { display: block; font-size: .76rem; font-weight: 600; color: var(--faint); margin-bottom: .5rem; }
.lb-skills-tags { display: flex; flex-wrap: wrap; gap: .35rem; }
.lb-skill-tag { font-size: .74rem; font-weight: 600; color: var(--blue-dark); background: var(--blue-tint); padding: .25rem .6rem; border-radius: 999px; }
.lb-actions { display: flex; gap: .6rem; margin-top: auto; flex-wrap: wrap; }
.lb-btn { padding: .7rem 1.2rem; border-radius: 999px; font-weight: 600; font-size: .85rem; cursor: pointer; border: 1px solid var(--line); background: #fff; display: inline-flex; align-items: center; gap: .4rem; }
.lb-btn.primary { background: var(--blue); color: #fff; border-color: var(--blue); }
@media (max-width: 720px) { .lightbox-panel { grid-template-columns: 1fr; max-height: 92vh; max-height: 92dvh; overflow-y: auto; } .lb-media { aspect-ratio: 4/3; min-height: 0; } }

/* ---------- Small phones ---------- */
@media (max-width: 480px) {
  .site-nav__inner, .page-hero, .filters-inner, .project-grid, .contact-section, .footer-inner { padding-left: 1.25rem; padding-right: 1.25rem; }
  .page-hero-inner h1 { font-size: clamp(2rem, 9vw, 2.6rem); }
  .page-hero-stats { gap: 1.8rem; }
  .contact-form { padding: 1.4rem; }
  .lightbox { padding: .75rem; }
  .lb-info { padding: 1.3rem; }
}