/* =============================================
   Genesis Qu — Custom Portfolio Enhancements
   FT salmon background · terracotta & forest green
   ============================================= */

/* ── Palette ── */
:root {
  /* Page background: Financial Times signature salmon */
  --page-bg:       #FFF1E5;
  --nav-bg:        rgba(255,241,229,0.97);

  /* Ink */
  --ink:           #1a1a18;
  --ink-muted:     #5c4e42;

  /* Warm borders & surfaces */
  --border:        #e8d5c4;
  --surface:       #fdf5ee;

  /* Terracotta — primary accent */
  --accent:        #b85530;
  --accent-light:  #f5e0d4;
  --accent-dark:   #8a3d1f;

  /* Forest green — secondary accent */
  --green:         #2e5e35;
  --green-light:   #e4ede5;

  /* Nav */
  --nav-shadow:    0 1px 10px rgba(80,40,10,0.10);
  --card-radius:   8px;

  /* Project category colors — keep as-is (already varied + distinctive) */
  --cat-ml:        #2563eb;
  --cat-eng:       #0891b2;
  --cat-cv:        #ea580c;
  --cat-civic:     #16a34a;
  --cat-nlp:       #7c3aed;
  --cat-stats:     #c2410c;
  --cat-fullstack: #475569;

  --award-bg:      #fff8e6;
  --award-border:  #f0d070;
  --award-text:    #7a5c00;
}

/* ── Global background ── */
body,
#wrapper {
  background-color: var(--page-bg);
}

/* Cards, nav, wrappers that should be slightly off-white */
.wrapper.style1 {
  background-color: var(--page-bg) !important;
}

/* ──────────────────────────────
   STICKY NAVIGATION
────────────────────────────── */
#site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 9999;
  background: var(--nav-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--nav-shadow);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2.5rem;
  height: 52px;
  transition: transform 0.28s ease;
}

#site-nav.nav-hidden { transform: translateY(-100%); }

/* Logo: lowercase, same casual feel as "hello world" */
#site-nav .nav-brand {
  font-family: 'Source Sans Pro', sans-serif;
  font-weight: 300;
  font-size: 1.25rem;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: 0.01em;
  line-height: 1;
}

#site-nav ul {
  list-style: none;
  margin: 0; padding: 0;
  display: flex;
  gap: 2rem;
}

#site-nav ul li a {
  font-size: 0.73rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
  text-decoration: none;
  transition: color 0.2s;
  padding-bottom: 2px;
  border-bottom: 2px solid transparent;
}

#site-nav ul li a:hover,
#site-nav ul li a.active {
  color: var(--ink);
  border-bottom-color: var(--accent);
}

/* Push content below nav */
#wrapper { padding-top: 52px; }

/* ──────────────────────────────
   HERO
────────────────────────────── */
.banner.fullscreen {
  min-height: calc(100vh - 52px);
}

.banner .image img {
  object-fit: cover;
  object-position: center top;
  width: 100%;
  height: 100%;
}

/* Section eyebrow — left-rule label */
.section-eyebrow {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  border-left: 3px solid var(--accent);
  padding-left: 0.55rem;
  margin-bottom: 0.85rem;
  line-height: 1;
}

/* Blinking cursor */
.typing-cursor {
  display: inline-block;
  width: 3px;
  height: 0.85em;
  background: var(--accent);
  margin-left: 4px;
  vertical-align: middle;
  animation: blink 1s step-end infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }

/* ──────────────────────────────
   TIMELINE
────────────────────────────── */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 3rem auto 4rem;
  padding: 8rem 2rem 6rem;
  /* Gradient fade: text dissolves into the FT salmon background at top and bottom */
  -webkit-mask-image: linear-gradient(
    to bottom,
    transparent 0%,
    black 12%,
    black 88%,
    transparent 100%
  );
  mask-image: linear-gradient(
    to bottom,
    transparent 0%,
    black 12%,
    black 88%,
    transparent 100%
  );
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0; bottom: 0;
  width: 2px;
  background: var(--border);
  transform: translateX(-50%);
}

.tl-item {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 44px 1fr;
  align-items: start;
  margin-bottom: 3rem;
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.tl-item.tl-visible { opacity: 1; transform: translateY(0); }
.tl-item.tl-hidden  { opacity: 0; transform: translateY(18px); }

/* Odd: content left, dot center */
.tl-item .tl-dot     { grid-column: 2; grid-row: 1; }
.tl-item .tl-content { grid-column: 1; grid-row: 1; text-align: right; padding-right: 1.5rem; }

/* Even: dot center, content right */
.tl-item:nth-child(even) .tl-content {
  grid-column: 3;
  grid-row: 1;
  text-align: left;
  padding-left: 1.5rem;
  padding-right: 0;
}

.tl-dot {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 0.15rem;
  z-index: 1;
}

.tl-dot span {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent-light);
  color: var(--accent);
  font-size: 0.85rem;
  border: 2px solid var(--page-bg);
  box-shadow: 0 0 0 2px var(--border);
  flex-shrink: 0;
}

.tl-content {
  padding: 0 0.25rem;
}

.tl-label {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  border-left: 2px solid var(--accent);
  padding-left: 0.4rem;
  margin-bottom: 0.35rem;
  line-height: 1;
}

.tl-content h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 0.4rem;
  line-height: 1.3;
}

.tl-content p {
  font-size: 0.82rem;
  color: var(--ink-muted);
  line-height: 1.6;
  margin: 0;
}

.tl-content a { color: var(--accent); }

/* Mobile */
@media (max-width: 600px) {
  .timeline { padding: 0 1rem; }
  .timeline::before { left: 20px; transform: none; }
  .tl-item { grid-template-columns: 44px 1fr; margin-bottom: 2rem; }
  .tl-item .tl-dot,
  .tl-item:nth-child(even) .tl-dot     { grid-column: 1; }
  .tl-item .tl-content,
  .tl-item:nth-child(even) .tl-content { grid-column: 2; grid-row: 1; text-align: left; padding-left: 1rem; padding-right: 0; }
}

/* ──────────────────────────────
   PROJECTS — SECTION
────────────────────────────── */
#projects {
  padding: 5rem 2rem 0;
  max-width: 1160px;
  margin: 0 auto;
}

.projects-header {
  text-align: left;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.projects-header h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 0.5rem;
  line-height: 1.2;
}

.projects-header p {
  color: var(--ink-muted);
  max-width: 540px;
  font-size: 0.92rem;
  line-height: 1.7;
}

/* ── Filter bar — narrow, bespoke Barlow Condensed ── */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 2.5rem;
}

.filter-btn {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 0.38rem 1.1rem;
  border-radius: 2px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--ink-muted);
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
  line-height: 1.4;
}

.filter-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-light);
}

/* All button: terracotta fill when active */
.filter-btn[data-filter="all"].active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* Category active states — keep original card colors */
.filter-btn[data-filter="ml"].active        { background: var(--cat-ml);        border-color: var(--cat-ml);        color: #fff; }
.filter-btn[data-filter="eng"].active       { background: var(--cat-eng);       border-color: var(--cat-eng);       color: #fff; }
.filter-btn[data-filter="cv"].active        { background: var(--cat-cv);        border-color: var(--cat-cv);        color: #fff; }
.filter-btn[data-filter="civic"].active     { background: var(--cat-civic);     border-color: var(--cat-civic);     color: #fff; }
.filter-btn[data-filter="nlp"].active       { background: var(--cat-nlp);       border-color: var(--cat-nlp);       color: #fff; }
.filter-btn[data-filter="stats"].active     { background: var(--cat-stats);     border-color: var(--cat-stats);     color: #fff; }
.filter-btn[data-filter="fullstack"].active { background: var(--cat-fullstack); border-color: var(--cat-fullstack); color: #fff; }

/* ── Projects grid ── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
  padding-bottom: 5rem;
}

@media (max-width: 960px) { .projects-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 580px) { .projects-grid { grid-template-columns: 1fr; } #projects { padding: 3rem 1rem 0; } }

.project-card.hidden { display: none; }

/* ── Project card ── */
.project-card {
  background: #fffaf6;
  border: 1px solid var(--border);
  border-top: 4px solid var(--cat-color, var(--accent));
  border-radius: var(--card-radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}

.project-card:hover {
  box-shadow: 0 10px 32px rgba(100,50,20,0.12);
  transform: translateY(-4px);
}

.project-card[data-cat="ml"]        { --cat-color: var(--cat-ml); }
.project-card[data-cat="eng"]       { --cat-color: var(--cat-eng); }
.project-card[data-cat="cv"]        { --cat-color: var(--cat-cv); }
.project-card[data-cat="civic"]     { --cat-color: var(--cat-civic); }
.project-card[data-cat="nlp"]       { --cat-color: var(--cat-nlp); }
.project-card[data-cat="stats"]     { --cat-color: var(--cat-stats); }
.project-card[data-cat="fullstack"] { --cat-color: var(--cat-fullstack); }

.project-card__img {
  width: 100%;
  height: 170px;
  object-fit: cover;
  display: block;
  background: var(--surface);
}

.project-card__body {
  padding: 1.1rem 1.2rem 0.8rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.project-card__category {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cat-color, var(--accent));
  margin-bottom: 0.4rem;
}

.project-card__award {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background: var(--award-bg);
  color: var(--award-text);
  border: 1px solid var(--award-border);
  font-size: 0.65rem;
  font-weight: 600;
  padding: 0.22rem 0.55rem;
  border-radius: 4px;
  margin-bottom: 0.55rem;
  width: fit-content;
}
.project-card__award::before { content: '🏆'; font-size: 0.75rem; }

.project-card__title {
  font-size: 0.97rem;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.35;
  margin-bottom: 0.55rem;
}

.project-card__desc {
  font-size: 0.82rem;
  color: var(--ink-muted);
  line-height: 1.65;
  flex: 1;
  margin-bottom: 0.9rem;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 0.9rem;
}

.tech-tag {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.2rem 0.5rem;
  border-radius: 2px;
  background: var(--accent-light);
  color: var(--accent-dark);
  border: 1px solid #e0c0ae;
}

.project-card__actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  padding: 0.7rem 1.2rem 1rem;
  border-top: 1px solid var(--border);
}

/* Bespoke card buttons — narrow Barlow Condensed */
.card-btn {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.35rem 0.9rem;
  border-radius: 2px;
  text-decoration: none;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  border: 1px solid var(--border);
  color: var(--ink-muted);
  background: transparent;
}

.card-btn:hover {
  border-color: var(--ink);
  color: var(--ink);
  background: transparent;
}

.card-btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.card-btn.primary:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
}

/* ──────────────────────────────
   JOURNALISM
────────────────────────────── */
#journalism { background: var(--surface); }
.gallery article .caption h3 { font-size: 0.92rem; font-weight: 600; }

/* ──────────────────────────────
   FOOTER
────────────────────────────── */
footer.wrapper { background: var(--ink); color: #ccc; }
footer.wrapper p { color: #777; font-size: 0.82rem; }
footer.wrapper .icons a       { color: #888 !important; border-color: rgba(255,255,255,0.12) !important; transition: color 0.2s, border-color 0.2s; }
footer.wrapper .icons a:hover { color: #fff !important; border-color: rgba(255,255,255,0.4) !important; }

/* ──────────────────────────────
   UTILITY
────────────────────────────── */
.section-divider {
  border: none;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--border), transparent);
  margin: 0 auto;
  max-width: 640px;
}

/* Responsive nav */
@media (max-width: 640px) {
  #site-nav { padding: 0 1rem; }
  #site-nav ul { gap: 1rem; }
  #site-nav ul li a { font-size: 0.68rem; }
}
@media (max-width: 420px) { #site-nav ul { display: none; } }