/* ============================================================
   _1n1t_ Portfolio — Design System
   Display: Syne · Body: DM Sans · Mono: Space Mono
   ============================================================ */

:root {
  --bg-base:      #0d0f14;
  --bg-surface:   #13161e;
  --bg-elevated:  #1a1e2a;
  --bg-hover:     #1f2434;

  --border:       rgba(255,255,255,0.07);
  --border-glow:  rgba(0,255,200,0.25);

  --text-primary:  #eaedf5;
  --text-secondary:#8b92a8;
  --text-muted:    #4d5368;

  --accent:        #00ffc8;
  --accent-dim:    rgba(0,255,200,0.1);
  --accent-glow:   rgba(0,255,200,0.4);

  --magenta:       #ff2d78;
  --magenta-dim:   rgba(255,45,120,0.1);

  --green:         #39d98a;
  --green-dim:     rgba(57,217,138,0.1);

  --purple:        #9b59ff;
  --purple-dim:    rgba(155,89,255,0.1);

  --gold:          #ffd666;
  --silver:        #b0bec5;

  --nav-height: 68px;

  --radius-sm:  6px;
  --radius-md:  10px;
  --radius-lg:  16px;
  --radius-xl:  24px;

  --transition: 0.2s cubic-bezier(0.4,0,0.2,1);
}

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

body {
  font-family: 'DM Sans', system-ui, sans-serif;
  background: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.65;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* Body copy uses DM Sans — much more readable than Syne for paragraphs */
.body-text {
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--text-secondary);
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
ul { list-style: none; }
strong { font-weight: 600; }

.mono-text, code {
  font-family: 'Space Mono', monospace;
  font-size: 0.82em;
}

code {
  background: var(--bg-elevated);
  padding: 0.15em 0.5em;
  border-radius: var(--radius-sm);
  color: var(--accent);
  border: 1px solid var(--border);
}

/* ---------- Typography ---------- */
.section-label {
  font-family: 'Space Mono', monospace;
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 2.5rem;
}

/* Headings always Syne */
h1, h2, h3, h4 { font-family: 'Syne', sans-serif; }

.accent-text { color: var(--accent); }

/* ---------- Layout ---------- */
.container { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }
.section-pad { padding: 5rem 0; }

/* ---------- Navigation ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-height);
}

.site-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(13,15,20,0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  z-index: -1;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.nav-logo {
  font-family: 'Space Mono', monospace;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.02em;
}

.nav-logo:hover { opacity: 0.8; }

.nav-links { display: flex; gap: 0.25rem; align-items: center; }

.nav-link {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

.nav-link:hover { color: var(--text-primary); background: var(--bg-elevated); }
.nav-link.active { color: var(--accent); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  transition: transform var(--transition), opacity var(--transition);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.5rem;
  border-radius: var(--radius-md);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary { background: var(--accent); color: #0d0f14; border-color: var(--accent); }
.btn-primary:hover { background: transparent; color: var(--accent); box-shadow: 0 0 20px var(--accent-glow); }

.btn-outline { background: transparent; color: var(--accent); border-color: var(--accent); }
.btn-outline:hover { background: var(--accent-dim); box-shadow: 0 0 16px var(--accent-glow); }

.btn-ghost { background: transparent; color: var(--text-secondary); border-color: var(--border); }
.btn-ghost:hover { color: var(--text-primary); border-color: rgba(255,255,255,0.2); background: var(--bg-elevated); }

.btn-sm { padding: 0.45rem 1rem; font-size: 0.82rem; }

.section-cta { text-align: center; margin-top: 3rem; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg { position: absolute; inset: 0; z-index: 0; }

#hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.35;
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,255,200,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,255,200,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at 50% 50%, black 20%, transparent 80%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: calc(var(--nav-height) + 2rem) 1.5rem 4rem;
  width: 100%;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--accent-dim);
  border: 1px solid var(--border-glow);
  border-radius: 100px;
  padding: 0.35rem 1rem;
  font-family: 'Space Mono', monospace;
  font-size: 0.75rem;
  color: var(--accent);
  margin-bottom: 1.75rem;
  animation: fadeInDown 0.7s ease both;
}

.tag-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s infinite;
}

@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:0.5;transform:scale(0.8)} }

.hero-title {
  display: flex;
  flex-direction: column;
  margin-bottom: 1.5rem;
  animation: fadeInDown 0.8s 0.1s ease both;
}

.hero-name {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--text-primary);
}

.hero-handle {
  font-family: 'Space Mono', monospace;
  font-size: clamp(1rem, 2vw, 1.4rem);
  color: var(--text-muted);
  margin-top: 0.5rem;
}

.hero-handle em { color: var(--accent); font-style: italic; }

.hero-desc {
  font-family: 'DM Sans', sans-serif;
  max-width: 560px;
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  animation: fadeInDown 0.8s 0.2s ease both;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
  animation: fadeInDown 0.8s 0.3s ease both;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 2rem;
  animation: fadeInDown 0.8s 0.4s ease both;
}

.stat { display: flex; flex-direction: column; }

.stat-num {
  font-family: 'Syne', sans-serif;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.03em;
}

.stat-label {
  font-family: 'Space Mono', monospace;
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.stat-divider { width: 1px; height: 40px; background: var(--border); }

.hero-scroll-hint {
  position: absolute;
  bottom: 2.5rem;
  left: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  font-family: 'Space Mono', monospace;
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  z-index: 1;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
}

.scroll-line {
  width: 1px; height: 50px;
  background: linear-gradient(to top, var(--text-muted), transparent);
  animation: scrollLine 2s infinite;
}

@keyframes scrollLine {
  0%  { transform: scaleY(0); transform-origin: bottom; }
  50% { transform: scaleY(1); transform-origin: bottom; }
  51% { transform: scaleY(1); transform-origin: top; }
  100%{ transform: scaleY(0); transform-origin: top; }
}

/* ---------- Modules ---------- */
.modules-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.module-card {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  padding: 1.75rem;
  background: var(--bg-surface);
  transition: background var(--transition);
  position: relative;
}

.module-card:hover { background: var(--bg-elevated); }

.module-card.featured {
  background: var(--bg-elevated);
  border-left: 2px solid var(--accent);
}

.module-card.featured::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--accent), transparent);
}

.module-icon { color: var(--accent); flex-shrink: 0; margin-top: 2px; }
.module-card:nth-child(2) .module-icon { color: var(--magenta); }
.module-card:nth-child(3) .module-icon { color: var(--purple); }
.module-card:nth-child(4) .module-icon { color: var(--green); }

.module-info { flex: 1; }
.module-info h3 { font-family: 'Syne', sans-serif; font-size: 1.05rem; font-weight: 700; margin-bottom: 0.35rem; }
.module-info p { font-family: 'DM Sans', sans-serif; font-size: 0.88rem; color: var(--text-secondary); line-height: 1.5; }

.module-arrow {
  color: var(--text-muted);
  font-size: 1.1rem;
  transition: transform var(--transition), color var(--transition);
  flex-shrink: 0;
}

.module-card:hover .module-arrow { transform: translateX(4px); color: var(--accent); }

/* ---------- Projects Preview ---------- */
.projects-preview {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.project-preview-card {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition), transform var(--transition);
}

.project-preview-card:hover { border-color: var(--accent); transform: translateY(-2px); }

.pp-tag {
  display: inline-block;
  font-family: 'Space Mono', monospace;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  border-radius: 4px;
  padding: 0.2rem 0.5rem;
  align-self: flex-start;
}

.pp-tag.accent { color: var(--magenta); background: var(--magenta-dim); }
.pp-tag.green { color: var(--green); background: var(--green-dim); }

.project-preview-card h3 { font-family: 'Syne', sans-serif; font-size: 1rem; font-weight: 700; }
.project-preview-card p { font-family: 'DM Sans', sans-serif; font-size: 0.85rem; color: var(--text-secondary); flex: 1; line-height: 1.55; }

.pp-meta { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: auto; }

.tech-pill {
  font-family: 'Space Mono', monospace;
  font-size: 0.68rem;
  padding: 0.2rem 0.5rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-muted);
}

/* ---------- Skills Strip ---------- */
.skills-strip {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 2.5rem 0;
}

.skills-row { display: flex; flex-wrap: wrap; gap: 0.5rem 0; align-items: center; }

.skill-item {
  font-family: 'Space Mono', monospace;
  font-size: 0.78rem;
  color: var(--text-muted);
  padding: 0 0.75rem;
  white-space: nowrap;
}

.skill-sep { color: var(--accent); opacity: 0.4; }

/* ---------- Page Hero ---------- */
.page-hero {
  padding: calc(var(--nav-height) + 3rem) 0 2.5rem;
  border-bottom: 1px solid var(--border);
}

.page-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  margin-bottom: 0.75rem;
}

.page-subtitle {
  font-family: 'DM Sans', sans-serif;
  font-size: 1.05rem;
  color: var(--text-secondary);
}

/* ---------- Content Cards ---------- */
.content-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
}

.card-label {
  font-family: 'Space Mono', monospace;
  font-size: 0.68rem;
  color: var(--accent);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.content-card p { margin-bottom: 0.9rem; }
.content-card p:last-child { margin-bottom: 0; }

.status-line {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding-top: 1rem;
  margin-top: 1rem;
  border-top: 1px solid var(--border);
  font-family: 'Space Mono', monospace;
  font-size: 0.75rem;
  color: var(--green);
}

.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); }
.status-dot.active { animation: pulse 2s infinite; }

/* ---------- About Layout ---------- */
.about-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 2rem;
  align-items: start;
}

.timeline { display: flex; flex-direction: column; }

.tl-item {
  display: flex;
  gap: 1.25rem;
  padding-bottom: 1.5rem;
  position: relative;
}

.tl-item::before {
  content: '';
  position: absolute;
  left: 7px; top: 18px; bottom: 0;
  width: 1px;
  background: var(--border);
}

.tl-item:last-child::before { display: none; }

.tl-marker {
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--bg-base);
  border: 2px solid var(--accent);
  flex-shrink: 0;
  margin-top: 3px;
  z-index: 1;
}

.tl-marker.green { border-color: var(--green); }

.tl-content h4 { font-size: 0.95rem; font-weight: 700; margin-bottom: 0.2rem; }

.tl-date {
  font-family: 'Space Mono', monospace;
  font-size: 0.7rem;
  color: var(--text-muted);
  display: block;
  margin-bottom: 0.4rem;
}

.skill-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }

.skill-tag {
  font-family: 'Space Mono', monospace;
  font-size: 0.7rem;
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-sm);
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid rgba(0,255,200,0.18);
}

.skill-tag.magenta { background: var(--magenta-dim); color: var(--magenta); border-color: rgba(255,45,120,0.18); }
.skill-tag.green { background: var(--green-dim); color: var(--green); border-color: rgba(57,217,138,0.18); }

.stats-stack { display: flex; flex-direction: column; gap: 0.75rem; }

.stat-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.9rem 1.25rem;
}

.stat-icon { font-size: 1.4rem; }

.stat-meta {
  font-family: 'Space Mono', monospace;
  font-size: 0.65rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.stat-value {
  font-family: 'Syne', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(155px, 1fr));
  gap: 1rem;
}

.tool-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  text-align: center;
  transition: border-color var(--transition), transform var(--transition);
}

.tool-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.tool-icon { font-size: 1.8rem; margin-bottom: 0.6rem; }
.tool-card h4 { font-family: 'Syne', sans-serif; font-size: 0.88rem; font-weight: 700; margin-bottom: 0.2rem; }
.tool-card p { font-family: 'Space Mono', monospace; font-size: 0.72rem; color: var(--text-muted); }

/* ---------- Projects Page ---------- */
.filter-bar { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 2.5rem; }

.filter-btn {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 0.4rem 1rem;
  border-radius: 100px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}

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

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.project-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: border-color var(--transition);
}

.project-card:hover { border-color: rgba(0,255,200,0.25); }
.project-card.hidden { display: none; }

.project-header { display: flex; align-items: center; justify-content: space-between; }

.project-number {
  font-family: 'Space Mono', monospace;
  font-size: 0.68rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
}

.project-tags { display: flex; gap: 0.4rem; }

.tag-pill {
  font-family: 'Space Mono', monospace;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid rgba(0,255,200,0.18);
}

.tag-pill.dfir { background: var(--magenta-dim); color: var(--magenta); border-color: rgba(255,45,120,0.18); }
.tag-pill.cv { background: var(--green-dim); color: var(--green); border-color: rgba(57,217,138,0.18); }
.tag-pill.ai { background: var(--purple-dim); color: var(--purple); border-color: rgba(155,89,255,0.18); }

.project-card h3 { font-family: 'Syne', sans-serif; font-size: 1.1rem; font-weight: 700; }

.project-card > p { font-family: 'DM Sans', sans-serif; }

.project-expand { display: none; }
.project-expand.open { display: block; }

.expand-details {
  border-top: 1px solid var(--border);
  padding-top: 1.25rem;
  margin-top: 0.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.expand-section h5 {
  font-family: 'Space Mono', monospace;
  font-size: 0.68rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.6rem;
}

.expand-section .body-text { margin-bottom: 0; }

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.project-tech span {
  font-family: 'Space Mono', monospace;
  font-size: 0.67rem;
  color: var(--text-muted);
  padding: 0.15rem 0.5rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 4px;
}

.project-actions { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-top: 0.5rem; }

/* ---------- Write-ups ---------- */
.writeups-list { display: flex; flex-direction: column; gap: 1.5rem; }

.writeup-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: border-color var(--transition);
}

.writeup-card:hover { border-color: rgba(0,255,200,0.2); }

.wu-meta { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.1rem; }

.wu-category {
  font-family: 'Space Mono', monospace;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid rgba(0,255,200,0.18);
}

.wu-category.dfir { background: var(--magenta-dim); color: var(--magenta); border-color: rgba(255,45,120,0.18); }

.wu-date {
  font-family: 'Space Mono', monospace;
  font-size: 0.7rem;
  color: var(--text-muted);
}

.wu-body h3 {
  font-family: 'Syne', sans-serif;
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.wu-desc { margin-bottom: 1rem; }

.wu-skills { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 1.5rem; }

.wu-skills span {
  font-family: 'Space Mono', monospace;
  font-size: 0.67rem;
  color: var(--text-muted);
  padding: 0.15rem 0.5rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 4px;
}

.wu-details { margin-bottom: 1.5rem; }

.wu-details summary {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.75rem 0;
  border-top: 1px solid var(--border);
  user-select: none;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: color var(--transition);
}

.wu-details summary::-webkit-details-marker { display: none; }
.wu-details summary::before { content: '▶'; font-size: 0.55rem; color: var(--accent); }
.wu-details[open] summary::before { content: '▼'; }
.wu-details[open] summary { color: var(--text-primary); }

.wu-details-content {
  padding: 1.5rem 0 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Step layout inside writeups */
.wu-step {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}

.wu-step-num {
  font-family: 'Space Mono', monospace;
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(0,255,200,0.18);
  border-radius: var(--radius-sm);
  padding: 0.2rem 0.45rem;
  flex-shrink: 0;
  margin-top: 2px;
  letter-spacing: 0.05em;
}

.wu-step h5 {
  font-family: 'Syne', sans-serif;
  font-size: 0.88rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.wu-step .body-text { margin-bottom: 0.6rem; }
.wu-step .body-text:last-child { margin-bottom: 0; }

.wu-list {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-top: 0.5rem;
  padding-left: 0;
}

.wu-list li {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  padding-left: 1.1rem;
  position: relative;
}

.wu-list li::before {
  content: '–';
  position: absolute;
  left: 0;
  color: var(--accent);
}

/* Code block */
.code-block {
  font-family: 'Space Mono', monospace;
  font-size: 0.78rem;
  line-height: 1.7;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-left: 2px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  color: var(--text-secondary);
  overflow-x: auto;
  white-space: pre;
  margin: 0.6rem 0;
}

.flag-block {
  border-left-color: var(--green);
  color: var(--green);
  background: var(--green-dim);
}

.wu-actions { display: flex; gap: 0.75rem; }

/* ---------- Achievements (new list style) ---------- */
.ach-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.ach-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.25rem 1.5rem;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}

.ach-row:last-child { border-bottom: none; }
.ach-row:hover { background: var(--bg-elevated); }

.ach-row.highlight { background: var(--bg-elevated); }
.ach-row.highlight:hover { background: var(--bg-hover); }

.ach-row-left {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex: 1;
}

.ach-rank {
  font-family: 'Syne', sans-serif;
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-muted);
  min-width: 60px;
  text-align: center;
  flex-shrink: 0;
}

.ach-rank.gold { color: var(--gold); }
.ach-rank.silver { color: var(--silver); }
.ach-rank.accent { color: var(--accent); }
.ach-rank.purple { color: var(--purple); }

.ach-row h3 {
  font-family: 'Syne', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.2rem;
}

.ach-row p { font-family: 'DM Sans', sans-serif; font-size: 0.85rem; margin: 0; }

.ach-row-right { flex-shrink: 0; }

.ach-badge {
  font-family: 'Space Mono', monospace;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.25rem 0.65rem;
  border-radius: 4px;
  background: var(--bg-base);
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.ach-badge.gold { color: var(--gold); border-color: rgba(255,214,102,0.3); background: rgba(255,214,102,0.06); }
.ach-badge.silver { color: var(--silver); border-color: rgba(176,190,197,0.3); background: rgba(176,190,197,0.06); }
.ach-badge.cyan { color: var(--accent); border-color: rgba(0,255,200,0.25); background: var(--accent-dim); }
.ach-badge.magenta { color: var(--magenta); border-color: rgba(255,45,120,0.25); background: var(--magenta-dim); }
.ach-badge.purple { color: var(--purple); border-color: rgba(155,89,255,0.25); background: var(--purple-dim); }

/* ---------- Contact ---------- */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-intro h2 {
  font-family: 'Syne', sans-serif;
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}

.contact-intro p {
  font-family: 'DM Sans', sans-serif;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.75;
  margin-bottom: 0.75rem;
}

.contact-cards { display: flex; flex-direction: column; gap: 0.75rem; }

.contact-card {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  transition: border-color var(--transition), transform var(--transition);
}

.contact-card:hover { border-color: var(--accent); transform: translateX(4px); }

.cc-icon {
  color: var(--accent);
  flex-shrink: 0;
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-dim);
  border-radius: var(--radius-md);
}

.contact-card h3 { font-family: 'Syne', sans-serif; font-size: 0.95rem; font-weight: 700; }
.contact-card p { font-family: 'Space Mono', monospace; font-size: 0.78rem; color: var(--text-muted); }

.cc-arrow {
  margin-left: auto;
  color: var(--text-muted);
  font-size: 1.1rem;
  transition: transform var(--transition), color var(--transition);
}

.contact-card:hover .cc-arrow { transform: translateX(4px); color: var(--accent); }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 3rem 0 2rem;
  margin-top: 2rem;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
}

/* Footer logo — plain mono text, no brackets */
.footer-logo {
  display: inline-block;
  font-family: 'Space Mono', monospace;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.3rem;
}

/* Legacy logo-bracket style kept for index/contact that haven't been rewritten yet */
.nav-logo .logo-bracket,
.logo-bracket { color: var(--accent); }

.footer-brand p { font-family: 'DM Sans', sans-serif; font-size: 0.78rem; color: var(--text-muted); }

.footer-links { display: flex; gap: 1.5rem; }

.footer-links a {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: color var(--transition);
}

.footer-links a:hover { color: var(--accent); }

.footer-bottom {
  font-family: 'Space Mono', monospace;
  font-size: 0.7rem;
  color: var(--text-muted);
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

/* ---------- Animations ---------- */
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .projects-preview, .achievements-grid { grid-template-columns: repeat(2, 1fr); }
  .about-layout { grid-template-columns: 1fr; }
  .modules-grid { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; gap: 2.5rem; }
}

@media (max-width: 700px) {
  .projects-grid, .projects-preview { grid-template-columns: 1fr; }
  .hero-stats { gap: 1.25rem; }
  .stat-num { font-size: 1.3rem; }

  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0; right: 0;
    flex-direction: column;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border);
    padding: 1rem;
    gap: 0.25rem;
  }

  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }

  .footer-inner { flex-direction: column; gap: 1.5rem; text-align: center; }
  .hero-scroll-hint { display: none; }

  .ach-row { flex-direction: column; align-items: flex-start; gap: 0.75rem; }
  .ach-row-left { width: 100%; }
  .ach-rank { min-width: 48px; font-size: 1rem; }
}

@media (max-width: 480px) {
  .section-pad { padding: 3rem 0; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { text-align: center; justify-content: center; }
}

/* ---------- Achievements — simple card grid ---------- */
.ach-simple-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}

.ach-simple-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: border-color var(--transition), transform var(--transition);
}

.ach-simple-card:hover {
  border-color: rgba(255,255,255,0.14);
  transform: translateY(-2px);
}

.ach-simple-card.featured {
  border-color: rgba(0,255,200,0.2);
}

.ach-simple-card.featured:hover {
  border-color: rgba(0,255,200,0.4);
}

.asc-place {
  font-family: 'Space Mono', monospace;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.65rem;
}

.asc-place.gold   { color: var(--gold); }
.asc-place.silver { color: var(--silver); }

.ach-simple-card h3 {
  font-family: 'Syne', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.ach-simple-card p {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin: 0;
}