:root {
  --bg: #fcfbf8;
  --surface: rgba(255, 255, 255, 0.9);
  --surface-strong: #ffffff;
  --surface-soft: #f5f1eb;
  --text: #151515;
  --text-soft: #5f5f63;
  --line: rgba(21, 21, 21, 0.08);
  --line-strong: rgba(21, 21, 21, 0.14);
  --accent: #f48120;
  --accent-strong: #d96810;
  --accent-soft: rgba(244, 129, 32, 0.1);
  --shadow: 0 20px 60px rgba(17, 24, 39, 0.06);
  --radius-xl: 26px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --container: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(244, 129, 32, 0.08), transparent 24%),
    linear-gradient(180deg, #fffefc 0%, var(--bg) 100%);
  font-family: 'Manrope', sans-serif;
  line-height: 1.55;
}

a {
  color: inherit;
  text-decoration: none;
}

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

button,
input,
textarea,
select {
  font: inherit;
}

.container {
  width: min(calc(100% - 28px), var(--container));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(14px);
  background: rgba(252, 251, 248, 0.82);
  border-bottom: 1px solid rgba(21, 21, 21, 0.04);
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 0;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-kicker {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, #111827 0%, #26272c 100%);
  color: #fff;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.brand-copy {
  display: grid;
  gap: 2px;
}

.brand-copy strong {
  font-size: 0.98rem;
}

.brand-copy span {
  color: var(--text-soft);
  font-size: 0.82rem;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px;
}

.site-nav a {
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--text-soft);
  font-size: 0.92rem;
  transition: background-color 180ms ease, color 180ms ease;
}

.site-nav a:hover,
.site-nav a.is-active {
  background: rgba(255, 255, 255, 0.92);
  color: var(--text);
}

.section,
.hero-section,
.cta-banner {
  padding: 56px 0;
}

.section-first {
  padding-top: 38px;
}

.section-soft {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.55) 0%, rgba(245, 241, 235, 0.9) 100%);
  border-top: 1px solid rgba(21, 21, 21, 0.04);
  border-bottom: 1px solid rgba(21, 21, 21, 0.04);
}

.hero-grid,
.split-callout,
.about-grid,
.contact-grid,
.course-hero,
.cta-banner-inner,
.footer-grid {
  display: grid;
  gap: 22px;
}

.hero-grid {
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  align-items: center;
}

.hero-copy h1,
.course-hero h1 {
  margin: 0;
  max-width: 11ch;
  font-size: clamp(2.6rem, 6vw, 4.2rem);
  line-height: 0.96;
  letter-spacing: -0.05em;
}

.hero-description,
.section-description,
.cta-banner p,
.card p,
.prose p {
  color: var(--text-soft);
}

.hero-description {
  margin: 14px 0 0;
  max-width: 56ch;
  font-size: 1rem;
}

.eyebrow,
.panel-label,
.footer-eyebrow,
.timeline-index {
  margin: 0 0 12px;
  color: var(--accent-strong);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-panel,
.card,
.cta-banner-inner,
.stats-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hero-panel,
.card,
.stats-panel {
  padding: 18px;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0.85rem 1.1rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  color: #fff;
  font-size: 0.95rem;
  font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease;
  box-shadow: 0 12px 24px rgba(244, 129, 32, 0.18);
}

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

.button-secondary {
  background: #fff;
  color: var(--text);
  box-shadow: inset 0 0 0 1px var(--line-strong);
}

.section-heading {
  max-width: 640px;
  margin-bottom: 22px;
}

.section-heading h2,
.cta-banner h2,
.site-footer h2,
.split-callout h2 {
  margin: 0;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.card-grid,
.timeline-grid {
  display: grid;
  gap: 18px;
}

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

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

.card {
  position: relative;
  overflow: hidden;
}

.card h3,
.contact-card h3 {
  margin: 0 0 10px;
  font-size: 1.12rem;
  line-height: 1.2;
}

.card-topline,
.project-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.pill {
  display: inline-flex;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.project-card {
  padding: 0;
}

.project-card__media {
  display: block;
  aspect-ratio: 1.91 / 1;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(135deg, #f8f4ee 0%, #efebe4 100%);
}

.project-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 220ms ease;
}

.project-card:hover .project-card__media img {
  transform: scale(1.02);
}

.project-card__fallback {
  display: grid;
  align-content: space-between;
  width: 100%;
  height: 100%;
  padding: 18px;
  background:
    radial-gradient(circle at top right, color-mix(in srgb, var(--project-accent) 18%, white), transparent 34%),
    linear-gradient(135deg, #111827 0%, color-mix(in srgb, var(--project-accent) 34%, #1f2937) 100%);
  color: white;
}

.project-card__fallback span {
  opacity: 0.78;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.project-card__fallback strong {
  max-width: 10ch;
  font-size: 1.75rem;
  line-height: 0.96;
  letter-spacing: -0.04em;
}

.project-card__body {
  padding: 16px 18px 18px;
}

.project-card__domain {
  color: var(--text-soft);
  font-size: 0.82rem;
}

.feature-list,
.chip-list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.feature-list li {
  position: relative;
  padding-left: 14px;
  margin-top: 8px;
  color: var(--text-soft);
}

.feature-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--accent);
}

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip-list li {
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  color: var(--text-soft);
  font-size: 0.8rem;
}

.card-link {
  display: inline-flex;
  align-items: center;
  margin-top: 14px;
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 700;
}

.split-callout {
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
  align-items: center;
}

.compact-card {
  align-self: stretch;
}

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

.about-grid {
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
  align-items: start;
}

.prose p {
  margin: 0 0 14px;
}

.stat-item + .stat-item {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.stat-item span {
  display: block;
  margin-bottom: 4px;
  color: var(--text-soft);
  font-size: 0.88rem;
}

.stat-item strong {
  font-size: 1.1rem;
  line-height: 1.2;
}

.contact-grid,
.course-hero,
.cta-banner-inner,
.footer-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.cta-banner-inner {
  align-items: center;
  padding: 22px;
}

.hero-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.hero-pills span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--line);
  color: var(--text-soft);
  font-size: 0.88rem;
}

.course-panel {
  align-self: start;
}

.site-footer {
  padding: 44px 0 28px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px 18px;
  align-content: start;
}

.footer-links a,
.footer-bottom p {
  color: var(--text-soft);
}

.footer-bottom {
  padding-top: 18px;
  margin-top: 18px;
  border-top: 1px solid rgba(21, 21, 21, 0.06);
}

@media (max-width: 980px) {
  .hero-grid,
  .split-callout,
  .about-grid,
  .contact-grid,
  .course-hero,
  .cta-banner-inner,
  .footer-grid,
  .card-grid-two,
  .card-grid-three,
  .timeline-grid {
    grid-template-columns: 1fr;
  }

  .site-nav,
  .footer-links {
    justify-content: flex-start;
  }
}

@media (max-width: 720px) {
  .nav-shell {
    align-items: flex-start;
    flex-direction: column;
  }

  .section,
  .hero-section,
  .cta-banner {
    padding: 42px 0;
  }

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

  .hero-copy h1,
  .course-hero h1 {
    max-width: none;
    font-size: clamp(2.2rem, 11vw, 3.2rem);
  }

  .hero-panel,
  .card,
  .stats-panel,
  .cta-banner-inner {
    padding: 16px;
    border-radius: 18px;
  }

  .button,
  .button-secondary {
    width: 100%;
  }
}