/* Lucas J. Cooke personal site. Quiet paper resume. One accent. No glow. */

:root {
  --ink: #1a1a1a;
  --ink-soft: #3d3d3d;
  --muted: #6b6b6b;
  --paper: #fafafa;
  --surface: #ffffff;
  --line: #e4e4e4;
  --accent: #8b1e2d;
  --focus: #1a1a1a;
  --max: 720px;
  --wide: 960px;
  --gutter: clamp(1.25rem, 4vw, 2rem);
  --nav-h: 3.5rem;
  --font: "IBM Plex Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-name: "IBM Plex Serif", Georgia, "Times New Roman", serif;
  --ease: ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--ink);
  text-underline-offset: 0.15em;
}

a:hover {
  color: var(--accent);
}

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: var(--gutter);
  top: -4rem;
  background: var(--ink);
  color: #fff;
  padding: 0.6rem 0.9rem;
  z-index: 100;
}

.skip-link:focus {
  top: 0.5rem;
}

.wrap {
  width: min(100% - (var(--gutter) * 2), var(--wide));
  margin-inline: auto;
}

.wrap-narrow {
  width: min(100% - (var(--gutter) * 2), var(--max));
  margin-inline: auto;
}

/* NAV */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--nav-h);
  border-bottom: 1px solid var(--line);
  background: rgba(250, 250, 250, 0.92);
  backdrop-filter: blur(8px);
}

.site-nav .wrap {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand-mark {
  font-family: var(--font-name);
  font-size: 1rem;
  font-weight: 500;
  color: var(--ink);
  text-decoration: none;
}

.nav-links {
  display: none;
  gap: 1.1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 400;
}

.nav-links a:hover,
.nav-links a[aria-current="true"] {
  color: var(--ink);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: #fff !important;
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
}

.nav-cta:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff !important;
}

.menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  background: var(--surface);
  cursor: pointer;
}

.menu-toggle svg {
  width: 18px;
  height: 18px;
}

.mobile-panel {
  display: none;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.mobile-panel.open {
  display: block;
}

.mobile-panel ul {
  list-style: none;
  margin: 0;
  padding: 0.5rem var(--gutter) 1rem;
}

.mobile-panel a {
  display: block;
  padding: 0.75rem 0;
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
}

@media (min-width: 880px) {
  .nav-links {
    display: flex;
  }

  .menu-toggle {
    display: none;
  }

  .mobile-panel {
    display: none !important;
  }
}

/* HERO */
.hero {
  padding: clamp(2.5rem, 7vh, 4rem) 0 clamp(2.5rem, 6vh, 3.5rem);
  border-bottom: 1px solid var(--line);
}

.hero-grid {
  display: grid;
  gap: 2rem;
  align-items: start;
}

@media (min-width: 800px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr) 200px;
    gap: 3rem;
    align-items: end;
  }
}

.hero-kicker {
  margin: 0 0 0.75rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.hero-name {
  margin: 0 0 0.35rem;
  font-family: var(--font-name);
  font-weight: 500;
  font-size: clamp(2.4rem, 6vw, 3.4rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.hero-name::after {
  content: "";
  display: block;
  width: 2.5rem;
  height: 2px;
  margin-top: 0.85rem;
  background: var(--accent);
}

.hero-headline {
  margin: 1rem 0 0.85rem;
  font-size: 1.15rem;
  font-weight: 500;
  line-height: 1.4;
  color: var(--ink-soft);
  max-width: 36rem;
}

.hero-lede {
  margin: 0 0 1.5rem;
  color: var(--ink-soft);
  max-width: 38rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0.5rem 1rem;
  font-size: 0.925rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
}

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

.btn-secondary {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}

.btn-secondary:hover {
  border-color: var(--ink);
  color: var(--ink);
}

.hero-meta {
  margin-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.hero-meta a {
  color: inherit;
  text-decoration: underline;
  text-decoration-color: transparent;
}

.hero-meta a:hover {
  color: var(--accent);
  text-decoration-color: currentColor;
}

.portrait {
  width: min(100%, 200px);
  justify-self: start;
}

@media (min-width: 800px) {
  .portrait {
    justify-self: end;
  }
}

.portrait img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  object-position: center 18%;
  border: 1px solid var(--line);
  background: #ddd;
}

.portrait p {
  margin: 0.6rem 0 0;
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.4;
}

/* SECTIONS */
section {
  padding: clamp(2.5rem, 6vh, 3.75rem) 0;
}

section + section {
  border-top: 1px solid var(--line);
}

.section-label {
  margin: 0 0 0.5rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--muted);
  text-transform: none;
  letter-spacing: 0;
}

.section-title {
  margin: 0 0 1.5rem;
  font-family: var(--font-name);
  font-size: clamp(1.45rem, 2.8vw, 1.75rem);
  font-weight: 500;
  letter-spacing: -0.015em;
  line-height: 1.2;
  color: var(--ink);
  scroll-margin-top: calc(var(--nav-h) + 1rem);
}

#about,
#experience,
#projects,
#education,
#coursework,
#skills,
#leadership,
#credentials,
#contact,
#top {
  scroll-margin-top: calc(var(--nav-h) + 0.75rem);
}

.course-list {
  margin: 0.75rem 0 0;
  padding-left: 1.15rem;
  color: var(--ink-soft);
  max-width: 40rem;
}

.course-list li + li {
  margin-top: 0.35rem;
}

.course-list strong {
  color: var(--ink);
  font-weight: 600;
}

.prose p {
  margin: 0 0 1rem;
  max-width: 40rem;
  color: var(--ink-soft);
}

.prose p:last-child {
  margin-bottom: 0;
}

.prose strong {
  color: var(--ink);
  font-weight: 600;
}

/* EXPERIENCE */
.role {
  padding: 0 0 1.75rem;
}

.role:last-child {
  padding-bottom: 0;
}

.role-top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.25rem 1rem;
  margin-bottom: 0.15rem;
}

.role-title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
}

.role-dates {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.role-org {
  margin: 0 0 0.65rem;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.role-org a {
  color: inherit;
}

.bullets {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--ink-soft);
}

.bullets li + li {
  margin-top: 0.35rem;
}

.role-note {
  margin: 0.5rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
  max-width: 40rem;
}

/* SIMPLE BLOCKS */
.block + .block {
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

.block h3 {
  margin: 0 0 0.2rem;
  font-size: 1.05rem;
  font-weight: 600;
}

.block .meta {
  margin: 0 0 0.5rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.block p {
  margin: 0;
  color: var(--ink-soft);
  max-width: 40rem;
}

.block a {
  font-weight: 500;
}

.block.featured {
  padding: 1.25rem 1.25rem 1.35rem;
  border: 1px solid var(--line);
  background: var(--surface);
  border-left: 3px solid var(--accent);
}

.block.featured .bullets {
  color: var(--ink-soft);
}

/* SKILLS */
.skill-row {
  display: grid;
  gap: 0.35rem 1.5rem;
  margin-bottom: 1rem;
}

@media (min-width: 640px) {
  .skill-row {
    grid-template-columns: 9rem 1fr;
  }
}

.skill-row h3 {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ink);
}

.skill-row p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.98rem;
}

/* CONTACT */
.contact {
  background: var(--surface);
}

.contact .section-title {
  margin-bottom: 0.75rem;
}

.contact-list {
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.contact-list li {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.75rem;
}

.contact-list span {
  min-width: 5rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.25rem;
}

.site-footer {
  padding: 1.5rem 0 2rem;
  color: var(--muted);
  font-size: 0.875rem;
  border-top: 1px solid var(--line);
}

.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 1rem;
}

.site-footer a {
  color: inherit;
}

/* light motion only */
.reveal {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 500ms var(--ease), transform 500ms var(--ease);
}

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

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

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