:root {
  --bg: #f4f7fb;
  --surface: rgba(255,255,255,0.96);
  --surface-strong: #ffffff;
  --surface-alt: #edf4ff;
  --surface-dark: #0f172a;
  --text: #0f172a;
  --muted: #475569;
  --soft: #64748b;
  --border: #dbe5f0;
  --primary: #2563eb;
  --primary-deep: #1d4ed8;
  --accent: #0f766e;
  --accent-2: #7c3aed;
  --warm: #f59e0b;
  --shadow: 0 24px 60px rgba(15, 23, 42, 0.08);
  --shadow-soft: 0 10px 24px rgba(15, 23, 42, 0.05);
  --radius: 24px;
  --max: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, Arial, Helvetica, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(37, 99, 235, 0.08), transparent 26%),
    radial-gradient(circle at top right, rgba(124, 58, 237, 0.06), transparent 26%),
    linear-gradient(180deg, #f8fbff 0%, #f4f7fb 45%, #f4f7fb 100%);
  color: var(--text);
  line-height: 1.7;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(244, 247, 251, 0.84);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(219, 229, 240, 0.85);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 74px;
}

.brand {
  color: var(--text);
  font-weight: 800;
  font-size: 1.06rem;
  letter-spacing: 0.01em;
}

nav {
  display: flex;
  gap: 20px;
  align-items: center;
}

nav a {
  color: var(--muted);
  font-weight: 700;
  position: relative;
  transition: color 0.2s ease;
}

nav a:hover {
  color: var(--primary);
  text-decoration: none;
}

nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -5px;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}

nav a:hover::after {
  transform: scaleX(1);
}

.hero {
  padding: 96px 0 68px;
}

.hero-layout-v4,
.about-layout,
.contact-panel,
.cta-panel,
.resume-layout {
  display: grid;
  gap: 28px;
}

.hero-layout-v4,
.about-layout,
.contact-panel {
  grid-template-columns: 1.22fr 0.9fr;
  align-items: start;
}

.hero-v4 {
  position: relative;
}

.hero-v4::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 85% 18%, rgba(37, 99, 235, 0.12), transparent 24%);
  pointer-events: none;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 12px;
  color: var(--primary);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
}

h1, h2, h3 {
  line-height: 1.14;
  margin-top: 0;
}

h1 {
  font-size: clamp(2.7rem, 4vw, 4.8rem);
  margin-bottom: 18px;
  max-width: 860px;
}

h2 {
  font-size: clamp(1.9rem, 2.5vw, 2.9rem);
  margin-bottom: 14px;
}

h3 {
  font-size: 1.18rem;
  margin-bottom: 10px;
}

.lead {
  color: var(--muted);
  font-size: 1.08rem;
  max-width: 760px;
}

.section {
  padding: 80px 0;
}

.alt {
  background: linear-gradient(180deg, rgba(237, 244, 255, 0.72), rgba(241, 245, 249, 0.8));
}

.section-heading-row {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 24px;
  margin-bottom: 26px;
}

.section-intro,
.intro-narrow,
.resume-meta,
.sample-intro,
.blog-meta,
.muted {
  color: var(--muted);
}

.intro-narrow {
  max-width: 420px;
}

.hero-actions,
.cta-actions {
  display: flex;
  gap: 14px;
  margin-top: 28px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.96);
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
  box-shadow: var(--shadow-soft);
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.button:hover {
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 16px 28px rgba(15, 23, 42, 0.09);
}

.button.primary {
  background: linear-gradient(135deg, var(--primary), #4f8cff);
  color: white;
  border-color: transparent;
}

.button.primary:hover {
  background: linear-gradient(135deg, var(--primary-deep), var(--primary));
}

.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.hero-proof span,
.sample-type,
.tag-list span {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--soft);
  background: rgba(255,255,255,0.94);
  font-weight: 700;
  font-size: 0.9rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}

.hero-visual {
  overflow: hidden;
  padding: 18px;
}

.headshot {
  display: block;
  width: 100%;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: #eef3fb;
}

.visual-caption {
  padding: 18px 8px 4px;
}

.hero-visual h2 {
  font-size: 1.45rem;
}

.about-story,
.about-side-panel,
.skill-card,
.bar-card,
.metric-card,
.blog-card,
.project-card {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.about-side-panel:hover,
.skill-card:hover,
.bar-card:hover,
.metric-card:hover,
.blog-card:hover,
.project-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 28px 60px rgba(15, 23, 42, 0.10);
}

.about-side-panel ul,
.hero-visual p,
.bar-card p {
  color: var(--muted);
}

.mini-icons {
  display: flex;
  gap: 10px;
  margin-bottom: 18px;
  font-size: 1.35rem;
}

.metrics-shell,
.skill-dashboard,
.skill-bars,
.project-grid,
.blog-grid {
  display: grid;
  gap: 22px;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.metric-card strong {
  display: block;
  font-size: 2rem;
  margin-bottom: 6px;
}

.skill-dashboard {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: 22px;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.skill-bars {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.bar {
  width: 100%;
  height: 12px;
  border-radius: 999px;
  background: #e6edf8;
  overflow: hidden;
  margin: 12px 0 14px;
}

.bar span {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--primary), var(--accent), var(--accent-2));
}

.project-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.project-card {
  color: inherit;
  overflow: hidden;
}

.project-card:hover {
  text-decoration: none;
}

.project-image {
  display: block;
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: 18px;
  margin-bottom: 18px;
  border: 1px solid rgba(15, 23, 42, 0.06);
  background: #e8eef8;
}

.project-content h3 {
  margin-top: 12px;
}

.project-content p {
  color: var(--muted);
}

.blog-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.cta-section {
  padding-top: 28px;
}

.cta-panel {
  grid-template-columns: 1.25fr 0.8fr;
  align-items: center;
}

.contact-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.contact-list li + li {
  margin-top: 10px;
}

.site-footer {
  padding: 30px 0 42px;
}

.footer-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--muted);
}

.resume-page,
.sample-page {
  padding: 58px 0 84px;
}

.resume-layout {
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.8fr);
  align-items: start;
}

.resume-main,
.resume-sidebar,
.sample-content {
  background: rgba(255,255,255,0.97);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: var(--shadow);
}

.resume-main section + section,
.sample-content section + section,
.resume-sidebar section + section {
  margin-top: 28px;
}

.resume-main h2,
.sample-content h2 {
  font-size: 1.5rem;
}

.resume-main h3,
.sample-content h3 {
  margin-bottom: 6px;
}

.job {
  padding-bottom: 22px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 22px;
}

.job:last-child {
  border-bottom: 0;
  margin-bottom: 0;
  padding-bottom: 0;
}

.back-link {
  display: inline-block;
  margin-bottom: 20px;
  font-weight: 700;
}

.code-block {
  background: #0b1220;
  color: #e2e8f0;
  padding: 18px;
  border-radius: 16px;
  overflow: auto;
  font-family: "SFMono-Regular", Consolas, Monaco, monospace;
  font-size: 0.92rem;
  line-height: 1.55;
}

.table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 12px;
}

.table th,
.table td {
  text-align: left;
  vertical-align: top;
  padding: 12px;
  border: 1px solid var(--border);
}

.sample-content .sample-hero {
  width: 100%;
  border-radius: 18px;
  margin: 18px 0 26px;
  border: 1px solid var(--border);
  display: block;
}

.sample-content .meta-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin: 20px 0 6px;
}

.sample-content .meta-card {
  padding: 14px 16px;
  border-radius: 16px;
  background: #f8fbff;
  border: 1px solid var(--border);
}

.sample-content .meta-card strong {
  display: block;
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--soft);
  margin-bottom: 6px;
}

.sample-content .meta-card span {
  color: var(--text);
  font-weight: 600;
}

.sample-content blockquote {
  margin: 22px 0;
  padding: 18px 20px;
  border-left: 4px solid var(--primary);
  background: #f8fbff;
  border-radius: 0 16px 16px 0;
  color: var(--muted);
}

.sample-content .section-label {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--accent);
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.8rem;
}

.sample-content .two-col-notes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.sample-content .note-box {
  padding: 18px;
  border-radius: 16px;
  background: #f8fbff;
  border: 1px solid var(--border);
}

.sample-content .note-box h3 {
  font-size: 1rem;
}

.sample-content .result-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.sample-content .result-box {
  padding: 18px;
  border-radius: 16px;
  background: linear-gradient(180deg, #ffffff, #f8fbff);
  border: 1px solid var(--border);
}

.sample-content .result-box strong {
  display: block;
  font-size: 1.4rem;
  margin-bottom: 8px;
}

.sample-content .result-box span {
  color: var(--muted);
}

@media (max-width: 1100px) {
  .hero-layout-v4,
  .about-layout,
  .contact-panel,
  .cta-panel,
  .resume-layout,
  .skill-dashboard,
  .skill-bars,
  .blog-grid,
  .project-grid,
  .sample-content .meta-grid,
  .sample-content .result-grid,
  .sample-content .two-col-notes {
    grid-template-columns: 1fr;
  }

  .metrics-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .nav,
  .footer-row,
  .section-heading-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  nav {
    flex-wrap: wrap;
    gap: 14px;
  }

  .hero {
    padding-top: 68px;
  }

  h1 {
    font-size: 2.35rem;
  }

  .metrics-grid {
    grid-template-columns: 1fr;
  }

  .project-image {
    height: 190px;
  }
}

@media (max-width: 520px) {
  .project-image {
    height: 170px;
  }
}