/* ============================================================
   C. A. Broderick — shared site chrome, built on tokens.css
   ============================================================ */

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-normal);
  background: var(--surface-page);
  color: var(--text-body);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--link);
  text-decoration: none;
  transition: color var(--dur-base) var(--ease-standard);
}
a:hover { color: var(--link-hover); }

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

h1, h2, h3, h4 { line-height: var(--lh-snug); font-weight: var(--fw-bold); }

p + p, p + ul, p + ol, ul + p, ol + p { margin-top: 1rem; }

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-5);
}

.reading { max-width: var(--reading-max); }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--green-dark);
  color: var(--off-white);
  padding: 0.6rem 1rem;
  z-index: 400;
}
.skip-link:focus { left: 0; }

/* ============ NAVIGATION ============ */

.site-nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 200;
  background: var(--green-primary);
  box-shadow: var(--shadow-sm);
}

.site-nav .nav-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-5);
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.nav-brand {
  color: var(--off-white);
  font-weight: var(--fw-bold);
  font-size: 1.02rem;
  letter-spacing: var(--ls-tight);
  white-space: nowrap;
}
.nav-brand:hover { color: var(--green-light); }
.nav-brand .nav-brand-mark {
  font-family: var(--font-data);
  font-weight: var(--fw-medium);
  color: var(--green-light);
  margin-right: 0.45rem;
}

.site-nav ul {
  display: flex;
  align-items: center;
  list-style: none;
  gap: var(--gap-inline);
}

.site-nav ul a {
  color: var(--off-white);
  font-weight: var(--fw-medium);
  font-size: 0.95rem;
  position: relative;
  padding: 0.45rem 0;
  display: inline-block;
}

.site-nav ul a::before {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--green-light);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--dur-base) var(--ease-standard);
}

.site-nav ul a:hover { color: var(--green-light); }
.site-nav ul a:hover::before,
.site-nav ul a.active::before { transform: scaleX(1); transform-origin: left; }
.site-nav ul a.active { color: var(--green-light); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: var(--radius-xs);
  color: var(--off-white);
  font-size: 1.1rem;
  line-height: 1;
  padding: 0.45rem 0.6rem;
  cursor: pointer;
}

/* ============ PAGE HEADER BANDS ============ */

.page-header {
  margin-top: var(--nav-height);
  background: var(--grad-brand);
  color: var(--text-on-green);
  padding: var(--space-10) 0 var(--space-8);
  position: relative;
  overflow: hidden;
}

/* faint lattice motif — subtle nod to the physics, no chalkboard */
.page-header::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(255, 255, 255, 0.16) 1px, transparent 0);
  background-size: 26px 26px;
  opacity: 0.5;
  pointer-events: none;
}

.page-header > .container { position: relative; z-index: 1; }

.page-header h1 {
  font-size: var(--fs-h1);
  font-weight: var(--fw-black);
  letter-spacing: var(--ls-tight);
  margin-bottom: 0.5rem;
}

.page-header .page-lead {
  font-size: var(--fs-lead);
  color: rgba(247, 248, 244, 0.86);
  max-width: 62ch;
}

/* ============ HOME HERO ============ */

.hero {
  margin-top: var(--nav-height);
  background: var(--grad-brand);
  color: var(--text-on-green);
  padding: var(--space-12) 0 var(--space-10);
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(255, 255, 255, 0.16) 1px, transparent 0);
  background-size: 26px 26px;
  opacity: 0.5;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: var(--space-8);
  align-items: center;
}

.hero-photo {
  width: 190px;
  height: 190px;
  border-radius: var(--radius-round);
  object-fit: cover;
  border: 4px solid rgba(255, 255, 255, 0.5);
  box-shadow: var(--shadow-lg);
  animation: fadeIn var(--dur-enter) var(--ease-out);
}

.hero-eyebrow {
  font-family: var(--font-data);
  font-size: 0.8rem;
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
  color: var(--green-light);
  margin-bottom: 0.6rem;
}

.hero h1 {
  font-size: clamp(2.1rem, 5vw, var(--fs-hero));
  font-weight: var(--fw-black);
  letter-spacing: var(--ls-tight);
  line-height: var(--lh-tight);
  margin-bottom: 0.5rem;
  animation: fadeInDown var(--dur-enter) var(--ease-out);
}

/* the two position titles sit on consecutive lines, no gap between them */
.hero .hero-titles { margin-bottom: 0.45rem; }

.hero .hero-roles {
  font-size: var(--fs-lead);
  line-height: 1.35;
  color: rgba(247, 248, 244, 0.9);
  margin: 0;
}

.hero .hero-affil {
  font-size: var(--fs-small);
  color: rgba(247, 248, 244, 0.72);
  margin-bottom: 1.5rem;
}

.hero-social {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  animation: fadeInUp var(--dur-enter) var(--ease-out) 0.2s both;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: var(--off-white);
  font-weight: var(--fw-medium);
  font-size: var(--fs-small);
  transition: all var(--dur-base) var(--ease-standard);
}
.social-link:hover {
  background: rgba(255, 255, 255, 0.22);
  color: var(--white);
  transform: var(--lift-btn);
}
.social-link:active { transform: var(--press); }

/* ============ SECTIONS ============ */

.page-body { padding: var(--space-10) 0 var(--space-8); }

section.block { margin-bottom: var(--section-gap); }
section.block:last-child { margin-bottom: 0; }

section.block > h2 {
  font-size: var(--fs-h2);
  color: var(--text-heading);
  margin-bottom: 0.4rem;
}

section.block > .block-sub {
  color: var(--text-muted);
  max-width: 68ch;
  margin-bottom: var(--space-5);
}

.rule {
  height: 2px;
  background: var(--green-tint-12);
  border: 0;
  border-radius: 1px;
  margin: var(--space-8) 0;
}

.prose h2 { font-size: var(--fs-h2); color: var(--text-heading); margin: var(--space-6) 0 0.6rem; }
.prose h3 { font-size: var(--fs-h3); color: var(--green-dark); margin: var(--space-5) 0 0.4rem; }
.prose ul, .prose ol { margin-left: 1.25rem; }
.prose li { margin-bottom: 0.35rem; }
.prose > :first-child { margin-top: 0; }

/* ============ CARDS & GRIDS ============ */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--gap-stack);
}

.card {
  background: var(--surface-card);
  border-radius: var(--radius-sm);
  padding: var(--pad-card);
  box-shadow: var(--shadow-sm);
  border-top: 3px solid transparent;
  transition: transform var(--dur-base) var(--ease-standard),
              box-shadow var(--dur-base) var(--ease-standard),
              border-color var(--dur-base) var(--ease-standard);
}
.card:hover {
  transform: var(--lift-card);
  box-shadow: var(--shadow-md);
  border-top-color: var(--green-mid);
}

.card h3 {
  color: var(--green-primary);
  font-size: var(--fs-h3);
  font-weight: var(--fw-semibold);
  margin-bottom: 0.4rem;
}

.card p { color: var(--text-muted); font-size: 0.95rem; }

.card .card-eyebrow {
  font-family: var(--font-data);
  font-size: 0.7rem;
  letter-spacing: var(--ls-caps);
  text-transform: uppercase;
  color: var(--green-mid);
  margin-bottom: 0.4rem;
}

.card .card-link {
  display: inline-block;
  margin-top: 0.8rem;
  font-weight: var(--fw-semibold);
  font-size: 0.92rem;
}

/* featured card — the green gradient panel (Join us, highlights) */
.featured-card {
  background: var(--grad-brand);
  color: var(--off-white);
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}
.featured-card h2, .featured-card h3 { color: var(--off-white); }
.featured-card h2 { font-size: 1.5rem; margin-top: 0; margin-bottom: 0.6rem; }
.featured-card > :first-child { margin-top: 0; }
.featured-card h3 {
  font-size: 1.05rem;
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-caps);
  color: var(--green-light);
  margin-bottom: 0.3rem;
}
.featured-card a { color: var(--green-light); text-decoration: underline; }
.featured-card a:hover { color: var(--white); }
.featured-card .featured-eyebrow {
  font-family: var(--font-data);
  font-size: 0.72rem;
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
  color: var(--green-light);
  margin-bottom: 0.5rem;
}

/* inset note */
.inset-accent {
  background: var(--surface-inset);
  border-left: var(--border-accent);
  border-radius: var(--radius-sm);
  padding: var(--pad-card);
}

/* ============ TAGS, BADGES, BUTTONS ============ */

.tag-row { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1rem; }

.tag {
  display: inline-block;
  background: var(--green-pale);
  color: var(--green-dark);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-tag);
  font-size: var(--fs-tag);
  font-weight: var(--fw-medium);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--grad-brand);
  color: var(--off-white) !important;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-pill);
  font-size: var(--fs-tag);
  font-weight: var(--fw-semibold);
  margin: 0.5rem 0.4rem 0 0;
  transition: all var(--dur-base) var(--ease-standard);
}
.badge:hover {
  background: var(--grad-brand-rev);
  transform: var(--lift-btn);
  box-shadow: var(--shadow-green);
}

.btn {
  display: inline-block;
  background: var(--grad-brand);
  color: var(--off-white) !important;
  border: none;
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-ui);
  font-weight: var(--fw-semibold);
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--dur-base) var(--ease-standard);
}
.btn:hover { transform: var(--lift-btn); box-shadow: var(--shadow-green); }
.btn:active { transform: var(--press); }

.btn.outline {
  background: none;
  border: 2px solid var(--green-primary);
  color: var(--green-primary) !important;
}
.btn.outline:hover { background: var(--green-primary); color: var(--white) !important; box-shadow: none; }

.btn.on-green {
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.35);
  text-decoration: none;
}
.btn.on-green:hover { background: rgba(255, 255, 255, 0.25); box-shadow: none; }

/* ============ ACCORDION (research themes) ============ */

.accordion { display: flex; flex-direction: column; gap: var(--gap-stack); }

.accordion-item {
  background: var(--surface-card);
  border-radius: var(--radius-sm);
  padding: var(--pad-card);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: transform var(--dur-base) var(--ease-standard),
              box-shadow var(--dur-base) var(--ease-standard);
}
.accordion-item:hover { transform: var(--nudge-x); box-shadow: var(--shadow-md); }

.accordion-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}
.accordion-head h3 {
  color: var(--green-primary);
  font-size: var(--fs-h3);
  font-weight: var(--fw-semibold);
}
.accordion-head .yr {
  font-family: var(--font-data);
  font-size: 0.78rem;
  color: var(--green-mid);
  margin-right: 0.6rem;
  font-weight: var(--fw-regular);
}

.accordion-icon { width: 22px; height: 22px; position: relative; flex-shrink: 0; }
.accordion-icon::before, .accordion-icon::after {
  content: '';
  position: absolute;
  background: var(--green-primary);
  border-radius: 2px;
  transition: all var(--dur-base) var(--ease-standard);
}
.accordion-icon::before { width: 2px; height: 16px; top: 3px; left: 10px; }
.accordion-icon::after  { width: 16px; height: 2px; top: 10px; left: 3px; }
.accordion-item.expanded .accordion-icon::before { transform: rotate(90deg); opacity: 0; }

.accordion-body {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height var(--dur-base) var(--ease-out), opacity var(--dur-base) var(--ease-out);
}
.accordion-item.expanded .accordion-body { max-height: 400em; opacity: 1; }

.accordion-inner {
  padding-top: 1rem;
  margin-top: 0.6rem;
  border-top: 1px solid rgba(8, 28, 21, 0.1);
}

/* rail down the left of a themed list */
.railed { position: relative; padding-left: 2rem; }
.railed::before {
  content: '';
  position: absolute;
  left: 0.6rem;
  top: 0.6rem;
  bottom: 0.6rem;
  width: 2px;
  background: var(--green-tint-12);
  border-radius: 1px;
}
.railed .accordion-item { position: relative; }
.railed .accordion-item::before {
  content: '';
  position: absolute;
  left: -1.45rem;
  top: 1.7rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--off-white);
  border: 2px solid var(--green-primary);
  transition: all var(--dur-base) var(--ease-standard);
}
.railed .accordion-item:hover::before { transform: translateX(-8px); }
.railed .accordion-item:hover::before,
.railed .accordion-item.expanded::before {
  background: var(--green-primary);
  box-shadow: 0 0 10px rgba(45, 106, 79, 0.5);
}

/* ============ PEOPLE ============ */

.people-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--gap-stack);
}

.person {
  background: var(--surface-card);
  border-radius: var(--radius-sm);
  padding: var(--pad-card);
  box-shadow: var(--shadow-sm);
  text-align: center;
  transition: transform var(--dur-base) var(--ease-standard),
              box-shadow var(--dur-base) var(--ease-standard);
}
.person:hover { transform: var(--lift-card); box-shadow: var(--shadow-md); }

.person img,
.person .avatar {
  width: 104px;
  height: 104px;
  border-radius: var(--radius-round);
  margin: 0 auto 0.9rem;
  object-fit: cover;
  border: 3px solid var(--green-pale);
}

.person .avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--green-pale);
  color: var(--green-dark);
  font-family: var(--font-data);
  font-size: 1.5rem;
  font-weight: var(--fw-semibold);
  letter-spacing: 1px;
}

/* expanded member detail inside an accordion box */
.person-detail { display: flex; gap: 1.25rem; align-items: flex-start; }
.person-detail .person-photo {
  width: 92px;
  height: 92px;
  border-radius: var(--radius-round);
  object-fit: cover;
  border: 3px solid var(--green-pale);
  flex-shrink: 0;
}
.person-detail .person-links { justify-content: flex-start; }
.person-detail .support { font-size: 0.92rem; color: var(--text-muted); }

@media (max-width: 560px) {
  .person-detail { flex-direction: column; }
}

.person h3 { font-size: 1.05rem; color: var(--green-dark); margin-bottom: 0.15rem; }
.person .role, .person-detail .role {
  font-family: var(--font-data);
  font-size: 0.78rem;
  letter-spacing: 0.2px;
  color: var(--green-mid);
  margin-bottom: 0.6rem;
}
.person p { font-size: 0.88rem; color: var(--text-muted); }
.person .person-links { margin-top: 0.7rem; display: flex; justify-content: center; gap: 0.8rem; font-size: 0.85rem; }

/* alumni: compact rows rather than cards */
.alumni-list { list-style: none; display: flex; flex-direction: column; gap: 0.25rem; }
.alumni-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.7rem 0.9rem;
  background: var(--surface-card);
  border-left: 3px solid var(--green-pale);
  border-radius: var(--radius-xs);
  transition: border-color var(--dur-base) var(--ease-standard);
}
.alumni-list li:hover { border-left-color: var(--green-mid); }
.alumni-list .name { font-weight: var(--fw-semibold); color: var(--green-dark); }
.alumni-list .years { font-family: var(--font-data); font-size: 0.78rem; color: var(--green-mid); }
.alumni-list .now { font-size: 0.9rem; color: var(--text-muted); }
.alumni-list .thesis {
  flex-basis: 100%;
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 0.15rem;
}
.alumni-list .thesis em { color: var(--text-body); font-style: italic; }

/* ============ PUBLICATIONS ============ */

.pub-list { list-style: none; display: flex; flex-direction: column; gap: 0.9rem; }
.pub-list li {
  background: var(--surface-card);
  border-radius: var(--radius-sm);
  padding: 1rem 1.2rem;
  box-shadow: var(--shadow-sm);
  border-left: 3px solid var(--green-pale);
  transition: border-color var(--dur-base) var(--ease-standard), box-shadow var(--dur-base) var(--ease-standard);
}
.pub-list li:hover { border-left-color: var(--green-mid); box-shadow: var(--shadow-md); }
.pub-list .pub-title { font-weight: var(--fw-semibold); color: var(--green-dark); display: block; margin-bottom: 0.2rem; }
.pub-list .pub-authors { font-size: 0.9rem; color: var(--text-muted); }
.pub-list .pub-venue { font-size: 0.9rem; color: var(--text-body); }
.pub-list .pub-venue em { color: var(--green-primary); font-style: italic; }

/* ============ CV TIMELINE ============ */

.cv-list { list-style: none; }
.cv-list li {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 1rem;
  padding: 0.7rem 0;
  border-bottom: 1px dashed rgba(45, 106, 79, 0.2);
}
.cv-list li:last-child { border-bottom: none; }
.cv-list .when {
  font-family: var(--font-data);
  font-size: 0.82rem;
  color: var(--green-mid);
  padding-top: 0.12rem;
}
.cv-list .what strong { color: var(--green-dark); }
.cv-list .what .where { display: block; font-size: 0.9rem; color: var(--text-muted); }
.cv-list .what .thesis { display: block; font-size: 0.9rem; color: var(--text-muted); }
.cv-list .what .thesis em { color: var(--text-body); font-style: italic; }

/* ============ BLOG ============ */

.post-list { list-style: none; display: flex; flex-direction: column; gap: var(--gap-stack); }

.post-item {
  background: var(--surface-card);
  border-radius: var(--radius-sm);
  padding: var(--pad-card);
  box-shadow: var(--shadow-sm);
  border-left: 3px solid var(--green-pale);
  transition: transform var(--dur-base) var(--ease-standard),
              box-shadow var(--dur-base) var(--ease-standard),
              border-color var(--dur-base) var(--ease-standard);
}
.post-item:hover { transform: var(--nudge-x); box-shadow: var(--shadow-md); border-left-color: var(--green-mid); }

.post-meta {
  font-family: var(--font-data);
  font-size: 0.75rem;
  letter-spacing: 0.4px;
  color: var(--green-mid);
  margin-bottom: 0.35rem;
}
.post-item h3 { font-size: var(--fs-h3); color: var(--green-primary); margin-bottom: 0.35rem; }
.post-item p { color: var(--text-muted); font-size: 0.95rem; }

.post-body { max-width: var(--reading-max); }
.post-body h2 { font-size: 1.4rem; }
.post-body blockquote {
  border-left: var(--border-accent);
  padding: 0.6rem 1rem;
  background: var(--green-tint-08);
  border-radius: var(--radius-xs);
  margin: 1rem 0;
  color: var(--text-muted);
}
.post-body pre {
  background: var(--green-deep);
  color: var(--green-pale);
  padding: 1rem;
  border-radius: var(--radius-sm);
  overflow-x: auto;
  font-family: var(--font-data);
  font-size: 0.85rem;
  margin: 1rem 0;
}
.post-body code { font-family: var(--font-data); font-size: 0.88em; }
.post-body :not(pre) > code {
  background: var(--green-pale);
  color: var(--green-dark);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
}
.post-body img { border-radius: var(--radius-sm); margin: 1rem 0; }

.post-nav {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: var(--space-8);
  padding-top: var(--space-5);
  border-top: 1px solid rgba(45, 106, 79, 0.15);
  font-size: 0.92rem;
}

/* ============ TABLES ============ */

table { width: 100%; border-collapse: collapse; margin: 1rem 0; font-size: 0.95rem; }
th, td { text-align: left; padding: 0.6rem 0.8rem; border-bottom: 1px solid rgba(45, 106, 79, 0.15); }
th { background: var(--green-pale); color: var(--green-dark); font-weight: var(--fw-semibold); }

/* ============ FOOTER ============ */

.site-footer {
  background: var(--green-dark);
  color: var(--off-white);
  padding: var(--space-8) 0 var(--space-6);
  margin-top: var(--space-10);
}

.site-footer .footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-6);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.site-footer h4 {
  font-family: var(--font-data);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: var(--ls-eyebrow);
  color: var(--green-light);
  margin-bottom: 0.7rem;
}

.site-footer p, .site-footer li { font-size: 0.9rem; color: rgba(247, 248, 244, 0.8); }
.site-footer ul { list-style: none; display: flex; flex-direction: column; gap: 0.35rem; }
.site-footer a { color: rgba(247, 248, 244, 0.9); }
.site-footer a:hover { color: var(--green-light); }

.site-footer .footer-base {
  padding-top: var(--space-5);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.82rem;
  color: rgba(247, 248, 244, 0.6);
}

/* ============ REVEAL ON SCROLL ============ */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ============ RESPONSIVE ============ */

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; justify-items: center; }
  .hero-social { justify-content: center; }
  .cv-list li { grid-template-columns: 1fr; gap: 0.15rem; }
}

@media (max-width: 780px) {
  .nav-toggle { display: block; }
  .site-nav .nav-inner { flex-wrap: wrap; height: auto; padding-top: 0.8rem; padding-bottom: 0.8rem; }
  .site-nav ul {
    display: none;
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    gap: 0.2rem;
    padding: 0.6rem 0 0.2rem;
  }
  .site-nav.open ul { display: flex; }
  .site-nav ul a { width: 100%; padding: 0.5rem 0; }
  :root { --nav-height: 60px; }
  .hero { padding: var(--space-8) 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  * { animation: none !important; }
}