*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-0: #080E1A;
  --bg-1: #0D1525;
  --bg-2: #111D30;
  --bg-3: #172035;
  --surface: #1A2640;
  --border: #1F2F48;
  --border-dim: #172035;
  --text-0: #F0F4FA;
  --text-1: #B8C6DC;
  --text-2: #7A90AD;
  --text-3: #4A5E74;
  --accent: #3ABFF8;
  --accent-dim: rgba(58,191,248,0.12);
  --accent-glow: rgba(58,191,248,0.06);
  --green: #34D399;
  --green-dim: rgba(52,211,153,0.12);
  --amber: #FBBF24;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --radius: 4px;
  --radius-lg: 8px;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg-0);
  color: var(--text-0);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ── GRID LINES BACKGROUND ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(var(--border-dim) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-dim) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.35;
  pointer-events: none;
  z-index: 0;
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg-0); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 2px; }

/* ── UTILITIES ── */
.container { max-width: 1100px; margin: 0 auto; padding: 0 32px; position: relative; z-index: 1; }
.mono { font-family: var(--font-mono); font-size: 0.78rem; }
.accent { color: var(--accent); }
.green { color: var(--green); }
.dim { color: var(--text-2); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

/* ── ANIMATIONS ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes blinkCursor {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}
@keyframes pulse-dot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50%       { transform: scale(1.6); opacity: 0.5; }
}
@keyframes scanline {
  0%   { transform: translateY(-100%); }
  100% { transform: translateY(100vh); }
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── NAV ── */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 16px 0;
  background: rgba(8,14,26,0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: padding 0.3s;
}
nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: 0.05em;
}
.nav-logo span {
  color: var(--text-2);
}
.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
  align-items: center;
}
.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-2);
  text-decoration: none;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text-0); }
.nav-cta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent) !important;
  border: 1px solid var(--accent);
  padding: 6px 16px;
  border-radius: var(--radius);
  transition: background 0.2s, color 0.2s !important;
}
.nav-cta:hover { background: var(--accent) !important; color: var(--bg-0) !important; }

/* ── HERO ── */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 80px 0 60px;
  position: relative;
  overflow: hidden;
}
.hero-glow {
  position: absolute;
  top: -200px;
  right: -300px;
  width: 800px;
  height: 800px;
  background: radial-gradient(ellipse, rgba(58,191,248,0.07) 0%, transparent 70%);
  pointer-events: none;
}
.hero-glow-2 {
  position: absolute;
  bottom: -100px;
  left: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(ellipse, rgba(52,211,153,0.05) 0%, transparent 70%);
  pointer-events: none;
}
.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 48px;
  align-items: center;
}
.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  animation: fadeUp 0.6s ease both;
}
.hero-eyebrow::before {
  content: '';
  display: block;
  width: 32px;
  height: 1px;
  background: var(--accent);
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.55rem, 5.1vw, 4.55rem);
  font-weight: 700;
  line-height: 1.02;
  color: var(--text-0);
  margin-bottom: 20px;
  animation: fadeUp 0.6s 0.1s ease both;
}
.hero-title em {
  font-style: normal;
  color: var(--accent);
}
.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-1);
  max-width: 640px;
  line-height: 1.7;
  margin-bottom: 28px;
  animation: fadeUp 0.6s 0.2s ease both;
}
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
  animation: fadeUp 0.6s 0.3s ease both;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  padding: 5px 12px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-1);
}
.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse-dot 2s ease infinite;
}
.hero-profile-card {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 16px;
  align-items: center;
  max-width: 360px;
  margin: 24px 0 0;
  padding: 18px;
  border: 1px solid var(--border);
  border-left: 2px solid var(--accent);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, rgba(58,191,248,0.08), transparent 55%),
    var(--bg-1);
  animation: fadeUp 0.6s 0.35s ease both;
}
.profile-mark {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(58,191,248,0.35);
  border-radius: var(--radius);
  background: rgba(8,14,26,0.72);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
}
.profile-name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-0);
  line-height: 1.2;
  margin-bottom: 4px;
}
.profile-role {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1.45;
}
.profile-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}
.profile-meta span {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  color: var(--text-2);
  padding: 2px 8px;
  border: 1px solid var(--border-dim);
  border-radius: 2px;
  background: rgba(26,38,64,0.72);
}
.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  animation: fadeUp 0.6s 0.4s ease both;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: var(--bg-0);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 12px 24px;
  border-radius: var(--radius);
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.15s;
}
.btn-primary:hover { opacity: 0.88; transform: translateY(-1px); }
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--text-1);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 12px 24px;
  border-radius: var(--radius);
  text-decoration: none;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, transform 0.15s;
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-1px); }
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--green-dim);
  color: var(--green);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 12px 24px;
  border-radius: var(--radius);
  text-decoration: none;
  border: 1px solid rgba(52,211,153,0.2);
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
}
.btn-ghost:hover { background: rgba(52,211,153,0.2); transform: translateY(-1px); }

/* ── SECTION GENERIC ── */
section { padding: 96px 0; position: relative; z-index: 1; scroll-margin-top: 88px; }
.section-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}
.section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--accent) 0%, transparent 80%);
  max-width: 80px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  color: var(--text-0);
  line-height: 1.15;
  margin-bottom: 16px;
}
.section-title em {
  color: var(--accent);
  font-style: normal;
}
.section-subtitle {
  font-size: 1rem;
  color: var(--text-2);
  max-width: 560px;
  line-height: 1.65;
}
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border) 20%, var(--border) 80%, transparent);
  margin: 0;
}

/* ── MANIFESTO / DIFFERENTIATORS ── */
#manifesto { background: var(--bg-1); }
.manifesto-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: 56px;
}
.manifesto-item {
  padding: 36px 40px;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  position: relative;
  transition: background 0.2s;
  overflow: hidden;
}
.manifesto-item:nth-child(2n) { border-right: none; }
.manifesto-item:nth-last-child(-n+2) { border-bottom: none; }
.manifesto-item:hover { background: var(--accent-glow); }
.manifesto-item::before {
  content: attr(data-num);
  position: absolute;
  top: 20px;
  right: 24px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-3);
  letter-spacing: 0.1em;
}
.manifesto-item h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-0);
  margin-bottom: 10px;
  line-height: 1.25;
}
.manifesto-item p {
  font-size: 0.9rem;
  color: var(--text-2);
  line-height: 1.65;
}

/* ── EXPERIENCE ── */
#experience { background: var(--bg-0); }
.exp-timeline {
  margin-top: 64px;
  display: flex;
  flex-direction: column;
  gap: 0;
  border-left: 1px solid var(--border);
  padding-left: 40px;
}
.exp-block {
  padding: 0 0 64px 0;
  position: relative;
}
.exp-block::before {
  content: '';
  position: absolute;
  left: -44px;
  top: 6px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg-0);
  box-shadow: 0 0 0 3px rgba(58,191,248,0.2);
}
.exp-block:last-child { padding-bottom: 0; }
.exp-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}
.exp-company {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}
.exp-period {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-3);
  padding: 2px 10px;
  border: 1px solid var(--border);
  border-radius: 2px;
}
.exp-badge-active {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--green);
  padding: 2px 10px;
  background: var(--green-dim);
  border: 1px solid rgba(52,211,153,0.25);
  border-radius: 2px;
  display: flex;
  align-items: center;
  gap: 5px;
}
.exp-badge-active::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse-dot 2s ease infinite;
}
.exp-title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-0);
  line-height: 1.2;
  margin-bottom: 16px;
}
.exp-desc {
  font-size: 0.95rem;
  color: var(--text-1);
  line-height: 1.75;
  max-width: 680px;
  margin-bottom: 20px;
}
.exp-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.exp-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-2);
  padding: 3px 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 2px;
  letter-spacing: 0.04em;
}

/* ── PROJECTS ── */
#projects { background: var(--bg-1); }
.projects-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: 56px;
}
.project-card {
  background: var(--bg-1);
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: background 0.2s;
  position: relative;
}
.project-card:hover { background: var(--bg-2); }
.project-card.featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
}
.project-card.featured:hover { background: var(--bg-3); }
.project-type {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
}
.project-type.own { color: var(--green); }
.project-name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-0);
  line-height: 1.2;
}
.project-desc {
  font-size: 0.9rem;
  color: var(--text-2);
  line-height: 1.65;
}
.project-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: auto;
}
.project-stack span {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-3);
  padding: 2px 8px;
  background: var(--surface);
  border: 1px solid var(--border-dim);
  border-radius: 2px;
}
.project-pill {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  line-height: 1.5;
  color: var(--green);
  background: var(--green-dim);
  border: 1px solid rgba(52,211,153,0.2);
  padding: 3px 10px;
  border-radius: 2px;
  width: fit-content;
  max-width: 100%;
}
.project-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 2px;
}
.project-link {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 5px 10px;
  border: 1px solid rgba(58,191,248,0.25);
  border-radius: 2px;
  background: var(--accent-dim);
  transition: border-color 0.2s, color 0.2s, transform 0.15s;
}
.project-link:hover {
  border-color: var(--accent);
  color: var(--text-0);
  transform: translateY(-1px);
}
.project-note {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-3);
}
.project-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface);
  border-radius: var(--radius);
  min-height: 180px;
  overflow: hidden;
  position: relative;
}
.project-visual svg {
  width: 100%;
  height: 100%;
  opacity: 0.5;
}
.project-visual-inner {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.project-icon {
  font-size: 3rem;
  opacity: 0.15;
}

/* ── HOW I WORK ── */
#process { background: var(--bg-0); }
.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: 56px;
}
.process-item {
  background: var(--bg-0);
  padding: 36px 32px;
  position: relative;
  transition: background 0.2s;
}
.process-item:hover { background: var(--accent-glow); }
.process-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}
.process-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-0);
  margin-bottom: 10px;
  line-height: 1.25;
}
.process-desc {
  font-size: 0.875rem;
  color: var(--text-2);
  line-height: 1.65;
}

/* ── STACK ── */
#stack { background: var(--bg-1); }
.stack-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 56px;
}
.stack-group {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: border-color 0.2s;
}
.stack-group:hover { border-color: var(--accent); }
.stack-group-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.stack-group-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}
.stack-items {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.stack-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-1);
}
.stack-item::before {
  content: '';
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--text-3);
  flex-shrink: 0;
}

/* ── EDUCATION ── */
#education { background: var(--bg-0); }
.edu-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 48px;
}
.edu-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
}
.edu-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-0);
  margin-bottom: 6px;
}
.edu-card p {
  font-size: 0.875rem;
  color: var(--text-2);
}
.edu-card .mono {
  color: var(--accent);
  margin-bottom: 12px;
  display: block;
}

/* ── CTA FINAL ── */
#contact {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  text-align: center;
}
#contact .section-title {
  max-width: 640px;
  margin: 0 auto 16px;
}
#contact .section-subtitle {
  margin: 0 auto 44px;
  max-width: 480px;
  text-align: center;
}
.contact-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}
.contact-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  margin-top: 56px;
  flex-wrap: wrap;
}
.contact-meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-3);
}
.contact-meta-item strong { color: var(--text-2); }
.contact-meta-item.contact-link {
  text-decoration: none;
  transition: color 0.2s;
}
.contact-meta-item.contact-link:hover,
.contact-meta-item.contact-link:hover strong {
  color: var(--accent);
}

/* ── FOOTER ── */
footer {
  background: var(--bg-0);
  border-top: 1px solid var(--border);
  padding: 32px 0;
  position: relative;
  z-index: 1;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-brand {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-3);
}
.footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
}
.footer-links a {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-3);
  text-decoration: none;
  letter-spacing: 0.05em;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--accent); }

/* ── MOBILE NAV TOGGLE ── */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text-1);
  transition: transform 0.3s, opacity 0.3s;
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .hero-layout { grid-template-columns: 1fr; gap: 28px; }
  .hero-profile-card { max-width: 640px; margin: -8px 0 0; }
  .manifesto-grid { grid-template-columns: 1fr; }
  .manifesto-item { border-right: none !important; }
  .manifesto-item:nth-last-child(-n+2) { border-bottom: 1px solid var(--border); }
  .manifesto-item:last-child { border-bottom: none !important; }
  .projects-grid { grid-template-columns: 1fr; }
  .project-card.featured { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr 1fr; }
  .stack-grid { grid-template-columns: 1fr 1fr; }
  .edu-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .container { padding: 0 20px; }
  .nav-links { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--bg-0); border-bottom: 1px solid var(--border); flex-direction: column; padding: 24px; gap: 20px; }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }
  .hero-profile-card { grid-template-columns: 1fr; margin-top: 0; }
  .profile-mark { display: none; }
  .profile-meta span { max-width: 100%; }
  .section-label { font-size: 0.68rem; letter-spacing: 0.12em; }
  .hero-ctas { flex-direction: column; }
  .btn-primary, .btn-outline, .btn-ghost { justify-content: center; }
  .process-grid { grid-template-columns: 1fr; }
  .stack-grid { grid-template-columns: 1fr; }
  .footer-links { width: 100%; flex-wrap: wrap; gap: 14px 20px; }
  section { padding: 64px 0; }
}