@import url('https://fonts.googleapis.com/css2?family=Barlow:ital,wght@0,300;0,400;0,500;0,600;1,300&family=Barlow+Condensed:wght@300;400;500;600;700&family=Roboto+Mono:wght@100;200;300&display=swap');

/* ─── TOKENS ─────────────────────────────────────────────── */
:root {
  --bg:           #f5f5f5;
  --surface:      #efefef;
  --surface-2:    #e6e6e6;
  --border:       #d4d4d4;
  --border-light: #c0c0c0;
  --muted:        #aaaaaa;
  --mid:          #777777;
  --text:         #444444;
  --bright:       #111111;
  --accent:       #888888;
  --accent-hi:    #555555;
  --mono:         'Roboto Mono', monospace;
  --display:      'Barlow Condensed', sans-serif;
  --body:         'Barlow', sans-serif;
  --transition:   180ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ─── RESET ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--body);
  font-weight: 300;
  font-size: 15px;
  line-height: 1.65;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
ul { list-style: none; }

/* ─── NOISE OVERLAY ──────────────────────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='1'/%3E%3C/svg%3E");
  opacity: 0.025;
  pointer-events: none;
  z-index: 9999;
}

/* ─── HEADER / NAV ───────────────────────────────────────── */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(245,245,245,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: 'Roboto Mono', monospace;
  font-weight: 200;
  font-size: 0.95rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--bright);
}
.nav-logo span {
  color: var(--bright);
}
nav ul {
  display: flex;
  gap: 2rem;
}
nav a {
  font-family: var(--display);
  font-weight: 400;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mid);
  transition: color var(--transition);
  position: relative;
  padding-bottom: 2px;
}
nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--bright);
  transition: width var(--transition);
}
nav a:hover,
nav a.active { color: var(--bright); }
nav a:hover::after,
nav a.active::after { width: 100%; }

/* ─── PAGE WRAPPER ───────────────────────────────────────── */
.page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem 6rem;
}

/* ─── SECTION LABELS ─────────────────────────────────────── */
.section-label {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}
.section-label::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--border-light);
}

/* ─── DIVIDER ────────────────────────────────────────────── */
.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 4rem 0;
}

/* ─── HERO ───────────────────────────────────────────────── */
.hero {
  padding: 7rem 0 5rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 5rem;
}
.hero-eyebrow {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--mid);
  margin-bottom: 1.5rem;
}
.hero h1 {
  font-family: var(--display);
  font-weight: 300;
  font-size: clamp(3.5rem, 8vw, 7rem);
  line-height: 0.95;
  letter-spacing: -0.01em;
  color: var(--bright);
  margin-bottom: 2rem;
}
.hero h1 strong {
  font-weight: 700;
  display: block;
}
.hero-sub {
  font-size: 1rem;
  font-weight: 300;
  color: var(--mid);
  max-width: 480px;
  line-height: 1.7;
  margin-bottom: 3rem;
}
.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ─── BUTTONS ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--display);
  font-weight: 500;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.75rem 1.5rem;
  border: 1px solid var(--border-light);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  transition: all var(--transition);
}
.btn:hover {
  border-color: var(--bright);
  color: var(--bright);
  background: rgba(17,17,17,0.06);
}
.btn-primary {
  background: var(--bright);
  border-color: var(--bright);
  color: #f5f5f5;
}
.btn-primary:hover {
  background: var(--accent-hi);
  border-color: var(--accent-hi);
  color: #f5f5f5;
}

/* ─── PROJECT GRID ───────────────────────────────────────── */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  margin-bottom: 5rem;
}
.project-card {
  background: var(--surface);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: background var(--transition);
  position: relative;
  overflow: hidden;
}
.project-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 2px;
  height: 0;
  background: var(--accent);
  transition: height 280ms ease;
}
.project-card:hover { background: var(--surface-2); }
.project-card:hover::before { height: 100%; }
.project-thumb {
  width: 100%;
  aspect-ratio: 16/9;
  background: var(--surface-2);
  border: 1px solid var(--border);
  overflow: hidden;
  margin-bottom: 0.5rem;
}
.project-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 400ms ease;
  filter: grayscale(30%);
}
.project-card:hover .project-thumb img { transform: scale(1.04); }
.project-thumb-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--muted);
}
.project-tag {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mid);
}
.project-title {
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.2rem;
  letter-spacing: 0.03em;
  color: var(--bright);
  line-height: 1.2;
}
.project-desc {
  font-size: 0.875rem;
  color: var(--mid);
  line-height: 1.6;
  flex: 1;
}
.project-link {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: color var(--transition);
  margin-top: auto;
}
.project-link::after { content: '→'; }
.project-card:hover .project-link { color: var(--mid); }

/* ─── PAGE TITLE BLOCK ───────────────────────────────────── */
.page-title-block {
  padding: 5rem 0 4rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 4rem;
}
.page-title-block h1 {
  font-family: var(--display);
  font-weight: 300;
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  line-height: 1;
  letter-spacing: 0.01em;
  color: var(--bright);
}
.page-title-block h1 strong { font-weight: 700; }
.page-title-block p {
  margin-top: 1.25rem;
  color: var(--mid);
  max-width: 520px;
  font-size: 0.95rem;
}

/* ─── PHOTO GRID ─────────────────────────────────────────── */
.photo-grid {
  columns: 3;
  column-gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
@media (max-width: 768px) { .photo-grid { columns: 2; } }
@media (max-width: 480px) { .photo-grid { columns: 1; } }
.photo-item {
  break-inside: avoid;
  display: block;
  overflow: hidden;
  position: relative;
  cursor: pointer;
}
.photo-item img {
  width: 100%;
  display: block;
  filter: grayscale(20%) contrast(1.05);
  transition: transform 400ms ease, filter 400ms ease;
}
.photo-item:hover img {
  transform: scale(1.04);
  filter: grayscale(0%) contrast(1.1);
}
.photo-placeholder {
  aspect-ratio: var(--ratio, 4/3);
  background: var(--surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.15em;
  color: var(--muted);
  transition: background var(--transition);
}
.photo-item:hover .photo-placeholder { background: var(--surface); }

/* ─── ABOUT ──────────────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 5rem;
  align-items: start;
}
@media (max-width: 768px) {
  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
}
.about-portrait {
  aspect-ratio: 3/4;
  background: var(--surface-2);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--muted);
  position: sticky;
  top: 80px;
}
.about-content h2 {
  font-family: var(--display);
  font-weight: 600;
  font-size: 2rem;
  color: var(--bright);
  letter-spacing: 0.02em;
  margin-bottom: 1.5rem;
}
.about-content p {
  color: var(--mid);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
}
.skill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 2rem;
}
.skill-tag {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--border-light);
  color: var(--mid);
  background: var(--surface);
  transition: all var(--transition);
}
.skill-tag:hover {
  border-color: var(--bright);
  color: var(--bright);
}

/* ─── PROJECT DETAIL ─────────────────────────────────────── */
.project-detail-header {
  padding: 5rem 0 4rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 4rem;
}
.breadcrumb {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--muted);
  margin-bottom: 2rem;
  display: flex;
  gap: 0.5rem;
  align-items: center;
}
.breadcrumb a { transition: color var(--transition); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb-sep { color: var(--border-light); }
.project-detail-title {
  font-family: var(--display);
  font-weight: 300;
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  line-height: 1;
  color: var(--bright);
  margin-bottom: 1.5rem;
}
.project-detail-title strong { font-weight: 700; display: block; }
.project-meta-row {
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
  margin-top: 2.5rem;
}
.project-meta-item label {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  display: block;
  margin-bottom: 0.3rem;
}
.project-meta-item span {
  font-size: 0.9rem;
  color: var(--text);
}
.project-body {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 5rem;
  align-items: start;
}
@media (max-width: 768px) {
  .project-body { grid-template-columns: 1fr; gap: 3rem; }
}
.project-body h2 {
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.4rem;
  color: var(--bright);
  margin: 2.5rem 0 1rem;
}
.project-body h2:first-child { margin-top: 0; }
.project-body p {
  color: var(--mid);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 1.25rem;
}
.project-image-full {
  width: 100%;
  aspect-ratio: 16/9;
  background: var(--surface-2);
  border: 1px solid var(--border);
  margin: 2.5rem 0;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--muted);
}
.project-sidebar-box {
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 1.75rem;
  position: sticky;
  top: 80px;
}
.project-sidebar-box h3 {
  font-family: var(--display);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bright);
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}
.tech-stack-list li {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--mid);
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.tech-stack-list li:last-child { border-bottom: none; }
.tech-stack-list li::before {
  content: '';
  width: 4px;
  height: 4px;
  background: var(--mid);
  flex-shrink: 0;
}
.sidebar-links { margin-top: 1.5rem; display: flex; flex-direction: column; gap: 0.5rem; }

/* ─── FOOTER ─────────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  margin-top: 6rem;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-name {
  font-family: var(--display);
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}
.footer-copy {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--muted);
}

/* ─── ANIMATIONS ─────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-up {
  animation: fadeUp 0.6s ease forwards;
  opacity: 0;
}
.fade-up-1 { animation-delay: 0.05s; }
.fade-up-2 { animation-delay: 0.15s; }
.fade-up-3 { animation-delay: 0.25s; }
.fade-up-4 { animation-delay: 0.35s; }
.fade-up-5 { animation-delay: 0.45s; }

/* ─── METALLIC RULE ──────────────────────────────────────── */
.metal-rule {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border) 20%, var(--border-light) 50%, var(--border) 80%, transparent);
  border: none;
  margin: 0;
}

/* ─── RESPONSIVE NAV ─────────────────────────────────────── */
@media (max-width: 600px) {
  .nav-inner { padding: 0 1rem; gap: 1rem; }
  .nav-logo { font-size: 0.8rem; letter-spacing: 0.15em; flex-shrink: 0; margin-right: 1rem; }
  nav ul { gap: 1rem; }
  nav a { font-size: 0.68rem; letter-spacing: 0.08em; }
}

@media (max-width: 400px) {
  .nav-logo { font-size: 0.72rem; letter-spacing: 0.1em; }
  nav ul { gap: 0.65rem; }
  nav a { font-size: 0.62rem; }
}