:root {
  --bg: #f8f8f7;
  --bg-soft: #f1f1ee;
  --panel: #ffffff;
  --text: #1f2933;
  --muted: #5c6670;
  --line: #ddddda;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-soft: #dbeafe;
  --accent-border: #93c5fd;
  --shadow: 0 8px 20px rgba(15, 23, 42, 0.03);
  --radius-lg: 14px;
  --radius-md: 10px;
  --radius-sm: 8px;
  --max: 1080px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Manrope", sans-serif;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
}

body::before {
  content: none;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.24s ease, border-color 0.24s ease, background-color 0.24s ease, box-shadow 0.24s ease;
}

img {
  max-width: 100%;
  display: block;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  padding: 0.75rem 1rem;
  background: var(--text);
  color: #06111d;
  border-radius: 999px;
  z-index: 10;
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: var(--max);
  margin: 0 auto;
  padding: 1rem 1.25rem;
  background: rgba(248, 248, 247, 0.96);
  border-bottom: 1px solid rgba(221, 221, 218, 0.9);
}

.brand-mark {
  display: grid;
  grid-template-columns: repeat(3, 8px);
  gap: 0.25rem;
}

.brand-mark span {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--accent);
}

.brand {
  margin-right: auto;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.site-nav a {
  color: var(--muted);
  padding: 0.25rem 0;
  border-radius: 0;
  transition: color 0.24s ease, border-color 0.24s ease;
  border-bottom: 1px solid transparent;
  font-size: 0.96rem;
}

.site-nav a:focus-visible,
.site-nav a.is-active {
  color: var(--accent);
  border-color: var(--accent);
}

.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--text);
  padding: 0.7rem;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
}

.menu-toggle span + span {
  margin-top: 0.3rem;
}

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 4.5rem 1.25rem;
}

.page-shell {
  min-height: calc(100vh - 160px);
}

.page-section {
  padding-top: 5.25rem;
}

.about-home {
  padding-top: 0.15rem;
}

.page-intro {
  max-width: 54rem;
  margin-bottom: 2rem;
}

.page-title {
  font-size: clamp(2rem, 3.6vw, 2.8rem);
  letter-spacing: -0.02em;
}

.page-title-compact {
  max-width: 34rem;
}

.surface {
  position: relative;
}

.surface::before {
  content: none;
}

.hero {
  display: grid;
  grid-template-columns: minmax(260px, 340px) minmax(0, 1.15fr);
  gap: 4rem;
  padding-top: 5.5rem;
  align-items: center;
}

.hero-home {
  min-height: calc(100vh - 330px);
}

.hero-media {
  align-self: center;
}

.portrait-frame {
  margin: 0;
  background: #fff;
  border: 1px solid #e3e6ea;
  border-radius: 14px;
  padding: 0.6rem;
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.05);
  width: min(320px, 100%);
}

.portrait-frame img {
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 6;
  object-fit: cover;
  object-position: center 16%;
  border-radius: 10px;
  display: block;
}

.eyebrow {
  margin: 0 0 1rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.77rem;
  color: var(--accent);
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  line-height: 1.05;
}

h1 {
  font-size: clamp(2.1rem, 3.6vw, 3rem);
  max-width: none;
  letter-spacing: -0.02em;
  color: #111827;
}

h2 {
  font-size: clamp(1.55rem, 2.8vw, 2.1rem);
}

h3 {
  font-size: 1.08rem;
  font-weight: 600;
}

.hero-text,
.prose-card p,
.note-card p,
.service-card p,
.project-card p,
.resume-card p,
.contact-card p,
.timeline li span,
.site-footer,
.stats-grid dd {
  color: var(--muted);
  line-height: 1.8;
}

.hero-role {
  margin: 0.35rem 0 0;
  font-size: 1rem;
  line-height: 1.55;
  color: var(--muted);
  max-width: 44rem;
}

.hero-role-company {
  margin-top: 1rem;
  font-weight: 600;
  color: #374151;
}

.cta-row,
.hero-links,
.contact-actions,
.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.cta-row {
  margin-top: 1.5rem;
}

.hero-links {
  list-style: none;
  padding: 0;
  margin: 1.25rem 0 0;
}

.hero-links a {
  color: var(--muted);
  border-bottom: 1px solid transparent;
}

.hero-links a:hover,
.hero-links a:focus-visible {
  color: var(--text);
  border-color: currentColor;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.8rem;
  padding: 0.7rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.24s ease, border-color 0.24s ease, background-color 0.24s ease, color 0.24s ease, box-shadow 0.24s ease;
}

.button:focus-visible {
  transform: translateY(-1px);
}

.button-primary {
  background: var(--accent-soft);
  border-color: var(--accent-border);
  color: var(--accent);
}

.button-secondary {
  background: #fff;
  color: var(--text);
}

.button[aria-disabled="true"] {
  opacity: 0.6;
  pointer-events: none;
}

.identity-label {
  margin: 0 0 0.6rem;
  color: var(--accent);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero-copy,
.prose-card,
.note-card,
.service-card,
.project-card,
.timeline-card,
.skills-card,
.resume-card,
.contact-card {
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.hero-copy {
  max-width: 38rem;
}

.hero-copy h1 {
  margin-bottom: 0.35rem;
}

.section-heading {
  display: grid;
  gap: 0.65rem;
  margin-bottom: 1.7rem;
  max-width: 48rem;
}

.split-layout,
.experience-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.4rem;
}

#about .split-layout {
  grid-template-columns: minmax(0, 1fr);
}

.prose-card,
.resume-card,
.contact-card {
  padding: 0;
}

.prose-card {
  max-width: 62rem;
}

.prose-page {
  max-width: 62rem;
}

.about-home-copy {
  max-width: 72rem;
}

.about-home-title {
  position: relative;
  display: inline-block;
  margin-bottom: 1.6rem;
  font-size: clamp(1.5rem, 2.2vw, 1.9rem);
  font-weight: 700;
  color: #111827;
}

.about-home-title::after {
  content: "";
  display: block;
  width: 3.2rem;
  height: 2px;
  margin-top: 0.55rem;
  background: var(--accent);
}

.prose-card p + p {
  margin-top: 1.35rem;
}

#about .section-heading,
#about .prose-card {
  max-width: 62rem;
}

#about .prose-card p {
  font-size: 1rem;
  line-height: 1.9;
}

#about .prose-card a {
  color: var(--accent);
  border-bottom: 1px solid transparent;
}

#about .prose-card a:hover,
#about .prose-card a:focus-visible {
  color: var(--accent-hover);
  border-color: var(--accent-hover);
}

.about-home .prose-card p {
  max-width: none;
  font-size: 1rem;
  line-height: 1.9;
}

.about-home .prose-card p + p {
  margin-top: 1.35rem;
}

.about-home .prose-card a {
  color: var(--accent);
  border-bottom: 1px solid transparent;
}

.about-home .prose-card a strong {
  font-weight: 700;
}

.about-home .prose-card a:hover,
.about-home .prose-card a:focus-visible {
  color: var(--accent-hover);
  border-color: var(--accent-hover);
}

.note-stack,
.card-grid,
.project-grid {
  display: grid;
  gap: 1.2rem;
}

.note-card,
.service-card,
.project-card,
.timeline-card,
.skills-card {
  padding: 0;
}

.card-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  column-gap: 2.25rem;
  row-gap: 2.25rem;
}

.project-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 2.25rem;
  row-gap: 2.25rem;
}

.project-tag {
  margin: 0 0 0.75rem;
  color: var(--accent);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.project-link {
  color: var(--accent);
  font-size: 0.92rem;
  white-space: nowrap;
  border-bottom: 1px solid transparent;
  margin-left: 0.35rem;
}

.project-link:focus-visible {
  border-color: var(--accent);
}

.chip-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  padding: 0;
  margin: 1.2rem 0 0;
}

.chip-list li {
  padding: 0.45rem 0.72rem;
  border-radius: 999px;
  background: var(--accent-soft);
  border: 1px solid var(--accent-border);
  color: #1f2937;
  font-size: 0.88rem;
  transition: border-color 0.24s ease, background-color 0.24s ease, color 0.24s ease, box-shadow 0.24s ease;
}

.timeline {
  list-style: none;
  padding: 0;
  margin: 1.2rem 0 0;
  display: grid;
  gap: 1rem;
}

.timeline li {
  padding-left: 1rem;
  border-left: 2px solid #dbe7ff;
}

.experience-stack {
  grid-template-columns: 1fr;
  gap: 1.6rem;
}

.education-stack {
  grid-template-columns: 1fr;
  gap: 1.8rem;
}

.experience-stack .timeline-card {
  padding-bottom: 1.2rem;
  border-bottom: 1px solid #e5e7eb;
}

.experience-stack .timeline-card:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.education-card {
  padding-bottom: 1.3rem;
  border-bottom: 1px solid #e5e7eb;
}

.education-card:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.education-degree {
  margin: 0.45rem 0 0.9rem;
  color: #1f2937;
  font-weight: 600;
}

.education-list {
  margin-top: 1rem;
}

.education-list li {
  background: #eff6ff;
  border-color: var(--accent-border);
}

.tools-card {
  padding: 0;
}

.contact-links a {
  color: var(--accent);
  border-bottom: 1px solid transparent;
  padding-bottom: 0.15rem;
}

.contact-links a:focus-visible {
  border-color: var(--accent);
}

.portrait-frame,
.note-card,
.service-card,
.project-card,
.timeline-card,
.education-card,
.tools-card,
.resume-card,
.contact-card {
  transition: border-color 0.24s ease, background-color 0.24s ease, box-shadow 0.24s ease;
}

.timeline li strong,
.service-card h3,
.project-card h3,
.note-card h3,
.timeline-card h3,
.skills-card h3,
.resume-card h3 {
  display: block;
  margin-bottom: 0.35rem;
}

.contact-section {
  padding-bottom: 6rem;
}

.short-intro {
  padding-top: 1rem;
}

.site-footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.25rem 2.4rem;
  border-top: 1px solid #e5e7eb;
  font-size: 0.94rem;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 500ms ease, transform 500ms ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (hover: hover) and (pointer: fine) {
  .site-nav a:hover {
    color: var(--accent-hover);
    border-color: var(--accent-hover);
  }

  .button:hover {
    transform: translateY(-1px);
    border-color: var(--accent-border);
    box-shadow: 0 8px 18px rgba(74, 144, 226, 0.08);
  }

  .button-primary:hover {
    color: var(--accent-hover);
    background: #eff6ff;
    border-color: var(--accent-border);
  }

  .button-secondary:hover {
    color: var(--accent-hover);
    background: #f8fbff;
    border-color: var(--accent-border);
  }

  .hero-links a:hover,
  .project-link:hover,
  .contact-links a:hover {
    color: var(--accent-hover);
    border-color: var(--accent-hover);
  }

  .chip-list li:hover {
    color: var(--accent-hover);
    background: #eff6ff;
    border-color: var(--accent-border);
  }

  .portrait-frame:hover,
  .note-card:hover,
  .service-card:hover,
  .project-card:hover,
  .timeline-card:hover,
  .education-card:hover,
  .tools-card:hover,
  .resume-card:hover,
  .contact-card:hover {
    box-shadow: 0 10px 22px rgba(74, 144, 226, 0.05);
  }
}

@media (max-width: 980px) {
  .hero,
  .split-layout,
  .experience-layout,
  .card-grid,
  .project-grid {
    grid-template-columns: 1fr;
  }

  h1 {
    max-width: none;
  }
}

@media (max-width: 760px) {
  .site-header {
    flex-wrap: wrap;
  }

  .menu-toggle {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }

  .site-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    border-radius: 12px;
    padding: 0.65rem;
    border: 1px solid var(--line);
    background: #fff;
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    text-align: center;
  }

  .hero {
    gap: 2rem;
    padding-top: 4rem;
  }

  .page-section {
    padding-top: 4rem;
  }

  .about-home {
    padding-top: 0.9rem;
  }

  .hero-media {
    justify-self: center;
    width: 100%;
    max-width: 320px;
  }
}