:root {
  --bg: #f5efe3;
  --bg-soft: #fffaf0;
  --ink: #171717;
  --ink-soft: #4d4a43;
  --line: rgba(23, 23, 23, 0.12);
  --card: rgba(255, 250, 240, 0.84);
  --navy: #1b365d;
  --teal: #006d77;
  --gold: #d88a1d;
  --clay: #b24c2d;
  --shadow: 0 18px 45px rgba(27, 54, 93, 0.12);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --content-width: 1160px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(216, 138, 29, 0.24), transparent 32%),
    radial-gradient(circle at top right, rgba(0, 109, 119, 0.18), transparent 30%),
    linear-gradient(180deg, #f8f2e8 0%, #f1e8d6 100%);
  font-family: "Palatino Linotype", "Book Antiqua", Georgia, serif;
  line-height: 1.6;
}

body::before {
  position: fixed;
  inset: 0;
  pointer-events: none;
  content: "";
  background-image:
    linear-gradient(rgba(23, 23, 23, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23, 23, 23, 0.03) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.3), transparent 90%);
}

a {
  color: inherit;
}

code,
.brand-mark,
.terminal-body,
.project-tag,
.timeline-date,
.step,
.eyebrow,
.site-nav,
.button {
  font-family: Consolas, "Courier New", monospace;
}

.page-shell {
  width: min(calc(100% - 2rem), var(--content-width));
  margin: 0 auto;
  padding-bottom: 3rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 0;
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 50%;
  color: #fffaf0;
  background: linear-gradient(135deg, var(--navy), var(--teal));
  box-shadow: var(--shadow);
  font-weight: 700;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-text small {
  color: var(--ink-soft);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.92rem;
}

.site-nav a {
  position: relative;
  text-decoration: none;
  padding-bottom: 0.15rem;
}

.site-nav a::after {
  position: absolute;
  left: 0;
  bottom: -0.1rem;
  width: 100%;
  height: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
  background: linear-gradient(90deg, var(--gold), var(--clay));
  content: "";
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.9fr);
  gap: 2rem;
  align-items: center;
  padding: 4rem 0 2rem;
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--clay);
  font-size: 0.88rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero h1,
.section-heading h2,
.contact-panel h2 {
  margin: 0;
  font-size: clamp(2.3rem, 5vw, 4.9rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
  text-wrap: balance;
}

.hero-text {
  max-width: 60ch;
  margin: 1.35rem 0 0;
  font-size: 1.08rem;
  color: var(--ink-soft);
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.7rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.8rem 1.2rem;
  border: 1px solid transparent;
  border-radius: 999px;
  text-decoration: none;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background-color 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  color: #fffaf0;
  background: linear-gradient(135deg, var(--navy), var(--teal));
  box-shadow: var(--shadow);
}

.button-secondary {
  border-color: var(--line);
  background: rgba(255, 250, 240, 0.7);
}

.hero-panel,
.panel,
.stat-card,
.focus-card,
.project-card,
.method-card,
.timeline-item,
.contact-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--card);
  box-shadow: var(--shadow);
}

.terminal-card {
  overflow: hidden;
  border: 1px solid rgba(255, 250, 240, 0.12);
  border-radius: var(--radius-lg);
  color: #f5efe3;
  background: linear-gradient(155deg, #0c1a2d, #102a43 52%, #0d4b5a 120%);
}

.terminal-top {
  display: flex;
  gap: 0.45rem;
  padding: 1rem 1rem 0;
}

.terminal-top span {
  width: 0.72rem;
  height: 0.72rem;
  border-radius: 50%;
  background: rgba(255, 250, 240, 0.38);
}

.terminal-body {
  padding: 1.1rem 1rem 1.2rem;
  font-size: 0.95rem;
}

.terminal-body p {
  margin: 0.45rem 0;
}

.prompt {
  color: #edc35f;
}

.cmd {
  color: #8ed2da;
}

.muted {
  color: #c9d3df;
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin: 1rem 0 0;
}

.stat-card {
  padding: 1.4rem 1.2rem;
}

.stat-card strong {
  display: block;
  margin-bottom: 0.45rem;
  color: var(--navy);
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1;
}

.stat-card span {
  color: var(--ink-soft);
}

.section {
  padding: 4rem 0 0;
}

.section-heading {
  max-width: 52rem;
  margin-bottom: 1.4rem;
}

.section-heading h2 {
  font-size: clamp(1.8rem, 4vw, 3.3rem);
}

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

.panel,
.method-card,
.timeline-item {
  padding: 1.4rem;
}

.panel-accent {
  background:
    linear-gradient(135deg, rgba(216, 138, 29, 0.11), rgba(0, 109, 119, 0.11)),
    var(--card);
}

.snapshot-list {
  padding-left: 1.15rem;
  margin: 1rem 0 0;
}

.cards-grid,
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.focus-card,
.project-card {
  padding: 1.35rem;
}

.focus-card h3,
.project-card h3,
.timeline-item h3,
.method-card h3,
.panel h3 {
  margin: 0 0 0.65rem;
  font-size: 1.2rem;
}

.project-tag,
.timeline-date,
.step {
  display: inline-flex;
  margin-bottom: 0.8rem;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  color: var(--navy);
  background: rgba(27, 54, 93, 0.08);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.project-card a {
  color: var(--clay);
  font-weight: 700;
  text-decoration: none;
}

.project-card a:hover,
.project-card a:focus-visible {
  text-decoration: underline;
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-bottom: 1.1rem;
}

.filter-button {
  padding: 0.7rem 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  background: rgba(255, 250, 240, 0.72);
  font: inherit;
  cursor: pointer;
  transition:
    transform 180ms ease,
    background-color 180ms ease,
    color 180ms ease;
}

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

.filter-button.is-active {
  color: #fffaf0;
  background: linear-gradient(135deg, var(--navy), var(--teal));
}

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

.timeline-item {
  position: relative;
  overflow: hidden;
}

.timeline-item::after {
  position: absolute;
  inset: auto -3rem -3rem auto;
  width: 7rem;
  height: 7rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(216, 138, 29, 0.18), transparent 65%);
  content: "";
}

.timeline-item.is-hidden {
  display: none;
}

.method-layout {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.method-card {
  min-height: 100%;
}

.contact-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(220px, 0.8fr);
  gap: 1.2rem;
  align-items: center;
  padding: 1.6rem;
  background:
    linear-gradient(135deg, rgba(27, 54, 93, 0.08), rgba(216, 138, 29, 0.08)),
    var(--card);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 2.4rem 0 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 520ms ease,
    transform 520ms ease;
}

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

@media (max-width: 980px) {
  .hero,
  .about-grid,
  .contact-panel,
  .timeline,
  .method-layout,
  .cards-grid,
  .projects-grid,
  .stats {
    grid-template-columns: 1fr 1fr;
  }

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

@media (max-width: 720px) {
  .page-shell {
    width: min(calc(100% - 1.2rem), var(--content-width));
  }

  .site-header,
  .site-footer,
  .hero,
  .about-grid,
  .contact-panel,
  .timeline,
  .method-layout,
  .cards-grid,
  .projects-grid,
  .stats {
    grid-template-columns: 1fr;
  }

  .site-header,
  .site-footer {
    display: grid;
  }

  .site-nav {
    gap: 0.8rem;
  }

  .hero {
    padding-top: 2rem;
  }

  .hero h1,
  .section-heading h2,
  .contact-panel h2 {
    line-height: 1.02;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}