/**
 * George Akai | Shared academic portfolio design system
 * Headings: Source Sans 3 | Body: Montserrat
 */

@import url("https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,400;0,500;0,600;0,700;1,400&family=Source+Sans+3:wght@600;700&display=swap");

:root {
  --bg-page: #f7f9fc;
  --bg-card: #ffffff;
  --accent: #2d6cdf;
  --accent-2: #14b8a6;
  --text: #1a1a1a;
  --border: #e5e7eb;
  --muted: #6b7280;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 12px rgba(45, 108, 223, 0.06);
  --shadow-lg: 0 4px 6px rgba(0, 0, 0, 0.04), 0 12px 32px rgba(0, 0, 0, 0.08);
  --radius: 12px;
  --radius-sm: 8px;
  --font-heading: "Source Sans 3", "Inter", system-ui, sans-serif;
  --font-body: "Montserrat", system-ui, sans-serif;
  /* Fluid type (320px-1200px) */
  --fs-body: clamp(0.875rem, 0.83rem + 0.2vw, 1rem);
  --fs-lead: clamp(0.9rem, 0.85rem + 0.28vw, 1.0625rem);
  --fs-h1: clamp(1.35rem, 1.1rem + 1.1vw, 2.25rem);
  --fs-h2: clamp(1.2rem, 1.05rem + 0.85vw, 1.5rem);
  --fs-h3: clamp(1.05rem, 0.98rem + 0.45vw, 1.25rem);
  --lh-tight: 1.45;
  --lh-body: 1.65;
  --tap-min: 44px;
}

html.dark {
  --bg-page: #0a0f1f;
  --bg-card: #111827;
  --accent: #3b82f6;
  --accent-2: #14b8a6;
  --text: #e5e7eb;
  --border: #1f2937;
  --muted: #9ca3af;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.35), 0 4px 16px rgba(0, 0, 0, 0.25);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.4);
}

html {
  scroll-behavior: smooth;
}

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

.u-muted {
  color: var(--muted);
}

.u-text {
  color: var(--text);
}

.u-accent,
.link-accent {
  color: var(--accent);
}

.intro-lede {
  font-size: var(--fs-lead);
  line-height: var(--lh-body);
}

.key-contrib-label {
  font-size: 0.75rem;
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--accent);
}

html.dark .key-contrib-label {
  color: #93c5fd;
}

.credential-highlight-card {
  border-left: 4px solid var(--accent);
}

.credential-highlight-label {
  font-size: 0.75rem;
  font-family: var(--font-heading);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin-bottom: 0.25rem;
}

.portfolio-body .page-title-h1 {
  font-size: var(--fs-h1);
  line-height: var(--lh-tight);
}

.portfolio-body .page-section-h2 {
  font-size: var(--fs-h2);
  line-height: var(--lh-tight);
}

.portfolio-body h1,
.portfolio-body h2,
.portfolio-body h3,
.portfolio-body h4,
.portfolio-body .font-heading {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}

.portfolio-body .text-accent {
  color: var(--accent) !important;
}

/* Top bar */
.site-topbar {
  background: linear-gradient(135deg, #1e3a5f 0%, var(--accent) 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}
html.dark .site-topbar {
  background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 55%, #0f172a 100%);
}

.site-nav-inner {
  max-width: 72rem;
  margin-left: auto;
  margin-right: auto;
  padding: 0.875rem 1rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

/* Mobile menu toggle (hidden on desktop) */
.site-nav__toggle {
  display: none;
  align-items: center;
  justify-content: center;
  min-width: var(--tap-min);
  min-height: var(--tap-min);
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.12);
  cursor: pointer;
  transition: background 0.15s ease;
}

.site-nav__toggle:hover {
  background: rgba(255, 255, 255, 0.2);
}

.site-nav__toggle:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 2px;
}

.site-nav__burger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 22px;
  pointer-events: none;
}

.site-nav__burger span {
  display: block;
  height: 2px;
  background: #fff;
  border-radius: 1px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-brand {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.125rem;
  color: #fff !important;
  text-decoration: none;
  letter-spacing: -0.02em;
}

.site-nav-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1rem;
}

.site-nav-links a {
  color: rgba(255, 255, 255, 0.92) !important;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.site-nav-links a:hover {
  border-bottom-color: rgba(255, 255, 255, 0.6);
}

.btn-theme {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 0.35rem 0.85rem;
  border-radius: 9999px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.12);
  color: #fff !important;
  cursor: pointer;
  transition: background 0.15s ease;
}

.btn-theme:hover {
  background: rgba(255, 255, 255, 0.22);
}

/* Shared header strip */
.site-header-strip {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.site-header-inner {
  max-width: 72rem;
  margin-left: auto;
  margin-right: auto;
  padding: 1.75rem 1rem 2rem;
}

.site-header-grid {
  display: grid;
  gap: 1.5rem;
}

@media (max-width: 767px) {
  .site-header-grid {
    justify-items: center;
    text-align: center;
  }

  .site-header-grid > div:last-child {
    width: 100%;
  }

  .site-header-photo {
    width: min(13.5rem, 92vw);
    height: min(13.5rem, 92vw);
    max-width: 100%;
  }

  .site-header-links {
    justify-content: center;
  }
}

@media (min-width: 768px) {
  .site-header-grid {
    grid-template-columns: auto 1fr;
    align-items: start;
  }
}

.site-header-photo {
  width: 10rem;
  height: 10rem;
  border-radius: var(--radius);
  object-fit: cover;
  border: 3px solid var(--border);
  box-shadow: var(--shadow);
}

.site-header-titles {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 0.35rem;
}

.site-header-uni {
  font-size: 0.875rem;
  color: var(--muted);
  margin-bottom: 0.75rem;
}

.site-header-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.btn-outline-academic {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 0.4rem 0.95rem;
  border-radius: 9999px;
  border: 1px solid var(--border);
  background: var(--bg-page);
  color: var(--accent) !important;
  text-decoration: none !important;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.btn-outline-academic:hover {
  border-color: var(--accent);
  background: rgba(45, 108, 223, 0.06);
}

html.dark .btn-outline-academic:hover {
  background: rgba(59, 130, 246, 0.12);
}

/* Section */
.content-wrap {
  max-width: 72rem;
  margin-left: auto;
  margin-right: auto;
  padding: 2rem 1rem 3rem;
}

.section-block {
  margin-bottom: 2.5rem;
}

.section-label {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.section-title {
  font-family: var(--font-heading);
  font-size: var(--fs-h2);
  font-weight: 700;
  color: var(--text);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--border);
}

.section-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
  margin: 2rem 0;
}

/* Cards */
.academic-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.25rem 1.35rem;
  margin-bottom: 1rem;
  transition: box-shadow 0.2s ease;
}

.academic-card:hover {
  box-shadow: var(--shadow-lg);
}

.academic-card h3 {
  font-size: 1.0625rem;
  margin-bottom: 0.5rem;
  color: var(--text);
}

/* Badges */
.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.5rem;
  margin-bottom: 0.25rem;
}

.tech-badge {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  background: rgba(45, 108, 223, 0.1);
  color: var(--accent);
  border: 1px solid rgba(45, 108, 223, 0.2);
}

html.dark .tech-badge {
  background: rgba(59, 130, 246, 0.15);
  border-color: rgba(59, 130, 246, 0.35);
}

.meta-line {
  font-size: 0.8125rem;
  color: var(--muted);
  margin-bottom: 0.35rem;
}

.meta-line strong {
  color: var(--text);
  font-weight: 600;
}

/* Project grid */
.project-grid {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .project-grid.cols-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

.project-card-academic {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  height: 100%;
}

.project-card-academic .project-thumb {
  width: 100%;
  max-height: 14rem;
  object-fit: contain;
  background: var(--bg-page);
  border-bottom: 1px solid var(--border);
}

.project-card-academic .project-body {
  padding: 1.1rem 1.25rem 1.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.project-card__summary {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.project-card__details {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 0.25rem;
  padding-top: 0.65rem;
  border-top: 1px solid var(--border);
}

.project-card__details[hidden] {
  display: none !important;
}

.project-card__toggle {
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 700;
  align-self: flex-start;
  margin-top: 0.15rem;
  padding: 0.5rem 0.25rem;
  min-height: var(--tap-min);
  border: none;
  background: none;
  color: var(--accent);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.project-card__toggle:hover {
  opacity: 0.88;
}

.project-card__toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

html.dark .project-card__toggle {
  color: #93c5fd;
}

@media (max-width: 767px) {
  .project-card__toggle {
    align-self: stretch;
    text-align: center;
  }
}

.project-abstract {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text);
  line-height: 1.55;
}

.project-narrative {
  font-size: 0.875rem;
  color: var(--muted);
}

.project-narrative strong {
  color: var(--text);
  font-weight: 600;
}

/* Timeline */
.timeline-item {
  position: relative;
  padding-left: 1rem;
  border-left: 2px solid var(--accent);
  margin-bottom: 0.75rem;
  padding-bottom: 0.25rem;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-date {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* Lists */
.list-academic {
  margin: 0.5rem 0 0 1.1rem;
  padding: 0;
  font-size: 0.875rem;
  color: var(--muted);
}

.list-academic li {
  margin-bottom: 0.35rem;
}

.list-academic li strong {
  color: var(--text);
}

.list-academic.u-text {
  color: var(--text);
}

/* Research chips */
.research-grid {
  display: grid;
  gap: 0.5rem;
}

@media (min-width: 640px) {
  .research-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.research-chip {
  font-size: 0.875rem;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-page);
  font-weight: 500;
}

/* Home lab dashboard (Projects & Experience) */
.homelab-dashboard {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .homelab-dashboard {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .homelab-dashboard {
    grid-template-columns: repeat(3, 1fr);
  }
}

.homelab-panel {
  position: relative;
  background: linear-gradient(165deg, var(--bg-card) 0%, var(--bg-page) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1rem 1.1rem 1.1rem;
  overflow: hidden;
}

.homelab-panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent-2) 100%);
  opacity: 0.9;
}

html.dark .homelab-panel {
  background: linear-gradient(165deg, var(--bg-card) 0%, #0f172a 100%);
}

.homelab-panel--wide {
  grid-column: 1 / -1;
}

@media (min-width: 1024px) {
  .homelab-panel--wide {
    grid-column: span 2;
  }
}

.homelab-panel__viz {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 4px;
  height: 2.5rem;
  margin-bottom: 0.85rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid rgba(45, 108, 223, 0.12);
}

html.dark .homelab-panel__viz {
  border-bottom-color: rgba(59, 130, 246, 0.15);
}

.homelab-panel__viz--compact {
  max-width: 12rem;
}

.homelab-panel__viz--screenshot {
  height: auto;
  min-height: 0;
  padding: 0 0 0.35rem;
  align-items: stretch;
}

.homelab-panel__screenshot {
  display: block;
  width: 100%;
  height: 5.25rem;
  object-fit: cover;
  object-position: top center;
  border-radius: 4px;
  border: 1px solid rgba(45, 108, 223, 0.12);
}

html.dark .homelab-panel__screenshot {
  border-color: rgba(59, 130, 246, 0.15);
}

.homelab-bar {
  flex: 1;
  min-width: 4px;
  max-width: 100%;
  border-radius: 2px 2px 0 0;
  background: linear-gradient(180deg, rgba(45, 108, 223, 0.55) 0%, rgba(45, 108, 223, 0.2) 100%);
}

.homelab-bar--teal {
  background: linear-gradient(180deg, rgba(20, 184, 166, 0.6) 0%, rgba(20, 184, 166, 0.2) 100%);
}

html.dark .homelab-bar {
  background: linear-gradient(180deg, rgba(59, 130, 246, 0.55) 0%, rgba(59, 130, 246, 0.18) 100%);
}

html.dark .homelab-bar--teal {
  background: linear-gradient(180deg, rgba(45, 212, 191, 0.55) 0%, rgba(45, 212, 191, 0.18) 100%);
}

.homelab-panel__head {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.25rem;
}

.homelab-panel__dot {
  width: 8px;
  height: 8px;
  border-radius: 9999px;
  background: var(--accent-2);
  box-shadow: 0 0 0 2px rgba(20, 184, 166, 0.25);
  flex-shrink: 0;
}

html.dark .homelab-panel__dot {
  box-shadow: 0 0 0 2px rgba(45, 212, 191, 0.3);
}

.homelab-panel__title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  margin: 0;
  line-height: 1.3;
}

.homelab-panel__role {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin: 0 0 0 1.25rem;
}

.homelab-panel__tools {
  margin: 0.6rem 0 0 1.25rem;
  padding: 0;
  font-size: 0.8125rem;
  color: var(--muted);
  line-height: 1.5;
  list-style: disc;
}

.homelab-panel__tools li {
  margin-bottom: 0.2rem;
}

.homelab-panel__tools li::marker {
  color: var(--accent);
}

/* Objectives mini cards */
.objectives-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 768px) {
  .objectives-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.objective-mini {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: var(--shadow);
}

.objective-mini h4 {
  font-size: 1rem;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

html.dark .objective-mini h4 {
  color: #93c5fd;
}

.objective-mini p {
  font-size: 0.8125rem;
  color: var(--muted);
  margin: 0;
}

.objective-span-3 {
  grid-column: 1 / -1;
}

@media (min-width: 768px) {
  .objective-span-3 {
    grid-column: span 3;
  }
}

/* Cert grid */
.cert-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .cert-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .cert-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.cert-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  text-align: center;
  box-shadow: var(--shadow);
}

.cert-card img {
  max-height: 10rem;
  width: 100%;
  object-fit: contain;
  margin-bottom: 0.75rem;
}

/* Featured / highlighted credential */
.cert-highlight {
  background: linear-gradient(
    135deg,
    rgba(45, 108, 223, 0.1),
    rgba(20, 184, 166, 0.07)
  );
  border: 2px solid var(--accent);
  border-radius: var(--radius);
  padding: 1.35rem 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-lg);
}

html.dark .cert-highlight {
  background: linear-gradient(
    135deg,
    rgba(59, 130, 246, 0.18),
    rgba(20, 184, 166, 0.1)
  );
  border-color: #60a5fa;
}

.cert-highlight-badge {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.25rem 0.55rem;
  border-radius: 4px;
  background: var(--accent);
  color: #fff;
  margin-bottom: 0.65rem;
}

html.dark .cert-highlight-badge {
  background: #3b82f6;
}

.cert-highlight-inner {
  display: grid;
  gap: 1.25rem;
  align-items: start;
}

@media (min-width: 768px) {
  .cert-highlight-inner {
    grid-template-columns: minmax(7rem, 10rem) 1fr;
  }
}

.cert-highlight-logo {
  width: 100%;
  max-width: 10rem;
  height: auto;
  margin-left: auto;
  margin-right: auto;
  display: block;
  object-fit: contain;
}

@media (min-width: 768px) {
  .cert-highlight-logo {
    margin-left: 0;
    max-width: 9.5rem;
  }
}

.cert-highlight h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--text);
}

.cert-highlight p {
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 0.75rem;
  line-height: 1.6;
}

.cert-highlight-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.cert-learned {
  margin-top: 1.35rem;
  padding-top: 1.35rem;
  border-top: 1px solid rgba(45, 108, 223, 0.22);
}

html.dark .cert-learned {
  border-top-color: rgba(96, 165, 250, 0.28);
}

.cert-learned-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 1rem;
}

.cert-learned-list {
  margin: 0;
  padding-left: 1.35rem;
  list-style: decimal;
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.55;
}

.cert-learned-list > li {
  margin-bottom: 1.1rem;
  padding-left: 0.35rem;
}

.cert-learned-list > li::marker {
  font-weight: 700;
  color: var(--accent);
}

html.dark .cert-learned-list > li::marker {
  color: #93c5fd;
}

.cert-learned-topic {
  display: block;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.4rem;
}

.cert-learned-sublist {
  margin: 0.25rem 0 0 0;
  padding-left: 1.15rem;
  list-style: disc;
}

.cert-learned-sublist li {
  margin-bottom: 0.3rem;
}

.cert-pdf-link {
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 700;
  color: #fff !important;
  background: var(--accent);
  padding: 0.45rem 1rem;
  border-radius: 9999px;
  text-decoration: none !important;
  transition: opacity 0.15s ease, transform 0.12s ease;
}

.cert-pdf-link:hover {
  opacity: 0.92;
  transform: translateY(-1px);
}

html.dark .cert-pdf-link {
  background: #3b82f6;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-card);
  padding: 1.5rem 1rem;
  text-align: center;
}

.site-footer p {
  font-size: 0.8125rem;
  color: var(--muted);
  margin: 0.25rem 0;
}

.site-footer .motto {
  font-style: italic;
  max-width: 36rem;
  margin-left: auto;
  margin-right: auto;
}

/* Modal */
.modal-backdrop {
  background: rgba(0, 0, 0, 0.82);
}

.modal-img-academic {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  max-width: 90vw;
  max-height: 90vh;
}

/* Utility */
.text-balance {
  text-wrap: balance;
}

/* Private analytics page — form controls (analytics.html) */
.analytics-form__label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text);
}

.analytics-form__input,
.analytics-form__textarea {
  font-family: var(--font-body);
  font-size: 0.875rem;
  width: 100%;
  padding: 0.55rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-page);
  color: var(--text);
}

.analytics-form__textarea {
  min-height: 6rem;
  resize: vertical;
}

.analytics-form__input:focus,
.analytics-form__textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.analytics-form__submit {
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 700;
  align-self: flex-start;
  min-height: var(--tap-min);
  padding: 0.45rem 1.25rem;
  border-radius: 9999px;
  border: none;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
}

html.dark .analytics-form__submit {
  background: #3b82f6;
}

.analytics-form__submit:hover {
  opacity: 0.92;
}

.analytics-form__submit:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.analytics-form__status {
  font-size: 0.8125rem;
  margin: 0;
  min-height: 1.25rem;
}

/* Private analytics page (analytics.html) */
.analytics-private-brand {
  font-family: var(--font-heading);
  font-weight: 700;
  color: #fff;
  text-decoration: none;
}

.analytics-main {
  padding-top: 2rem;
  padding-bottom: 3rem;
}

.analytics-gate {
  max-width: 28rem;
  margin-left: auto;
  margin-right: auto;
}

.analytics-login-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.analytics-page-title {
  margin-bottom: 0.5rem;
}

.analytics-stats-row {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: 1fr;
  margin-bottom: 1.5rem;
}

@media (min-width: 640px) {
  .analytics-stats-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .analytics-stats-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

.analytics-stat {
  padding: 1rem 1.1rem;
}

.analytics-stat__label {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin: 0 0 0.35rem 0;
}

.analytics-stat__value {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--accent);
  margin: 0;
  line-height: 1.2;
}

html.dark .analytics-stat__value {
  color: #93c5fd;
}

.analytics-subheading {
  font-size: 1.05rem;
  margin: 1.75rem 0 0.65rem;
  color: var(--text);
}

.analytics-table-wrap {
  padding: 0;
  overflow-x: auto;
  margin-bottom: 0.25rem;
}

.analytics-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8125rem;
}

.analytics-table th,
.analytics-table td {
  text-align: left;
  padding: 0.55rem 0.85rem;
  border-bottom: 1px solid var(--border);
}

.analytics-table th {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  background: var(--bg-page);
}

.analytics-table tbody tr:last-child td {
  border-bottom: none;
}

.analytics-io {
  padding: 1rem 1.1rem;
}

.analytics-io-textarea {
  font-family: ui-monospace, monospace;
  font-size: 0.75rem;
  width: 100%;
  padding: 0.65rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-page);
  color: var(--text);
  margin-bottom: 0.75rem;
}

.analytics-io-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.analytics-io-secondary {
  text-decoration: none !important;
}

/* ---- Read more (BEM): long paragraphs & cert blocks (all viewports) ---- */
.read-more {
  margin-bottom: 0.75rem;
}

.read-more__panel {
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.read-more__panel--collapsed {
  max-height: 7.5rem;
}

.read-more__panel--expanded {
  max-height: none;
  overflow: visible;
}

.read-more__toggle {
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 700;
  margin-top: 0.5rem;
  padding: 0.5rem 0.25rem;
  min-height: var(--tap-min);
  border: none;
  background: none;
  color: var(--accent);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.read-more__toggle:hover {
  opacity: 0.88;
}

.read-more__toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

html.dark .read-more__toggle {
  color: #93c5fd;
}

.read-more--block .read-more__panel--collapsed {
  max-height: 10rem;
}

img,
video,
iframe,
svg {
  max-width: 100%;
  height: auto;
}

/* ---- Mobile: 320px-480px (and small tablets) ---- */
@media (max-width: 639px) {
  .site-nav__toggle {
    display: inline-flex;
  }

  .site-nav-inner {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 0.5rem 0.75rem;
    padding: 0.65rem 0.875rem;
  }

  .site-brand {
    font-size: clamp(1rem, 0.92rem + 0.35vw, 1.125rem);
  }

  .site-nav-links {
    grid-column: 1 / -1;
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    gap: 0;
    transition: max-height 0.35s ease, opacity 0.25s ease, padding 0.25s ease;
    padding: 0;
  }

  .site-nav-links.is-open {
    max-height: 22rem;
    opacity: 1;
    padding-top: 0.35rem;
    gap: 0.15rem;
  }

  .site-nav-links a {
    padding: 0.65rem 0.5rem;
    min-height: var(--tap-min);
    display: flex;
    align-items: center;
    border-radius: 8px;
  }

  .site-nav-links a:hover {
    background: rgba(255, 255, 255, 0.08);
    border-bottom-color: transparent;
  }

  .site-nav-links .btn-theme {
    margin-top: 0.25rem;
    justify-content: center;
    min-height: var(--tap-min);
    width: 100%;
  }
}

@media (min-width: 640px) {
  .site-nav-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
  }

  .site-nav-links {
    display: flex !important;
    max-height: none !important;
    opacity: 1 !important;
    overflow: visible !important;
    padding-top: 0 !important;
    flex-direction: row !important;
    width: auto !important;
  }
}

@media (max-width: 480px) {
  .content-wrap {
    padding: 1.25rem 0.875rem 2rem;
  }

  .section-block {
    margin-bottom: 1.75rem;
  }

  .section-title {
    margin-bottom: 0.75rem;
    padding-bottom: 0.4rem;
  }

  .section-divider {
    margin: 1.35rem 0;
  }

  .site-header-inner {
    padding: 1.25rem 0.875rem 1.5rem;
  }

  .site-header-grid {
    gap: 1rem;
  }

  .site-header-photo {
    width: min(12rem, 90vw);
    height: min(12rem, 90vw);
  }

  .site-header-links {
    gap: 0.45rem;
  }

  .btn-outline-academic {
    min-height: var(--tap-min);
    padding: 0.5rem 1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .academic-card {
    padding: 1rem 1rem;
  }

  .project-card-academic .project-body {
    padding: 0.95rem 1rem 1.1rem;
  }

  .project-card-academic .project-thumb {
    max-height: 12rem;
  }

  .cert-highlight {
    padding: 1rem 1rem;
  }

  .cert-grid {
    grid-template-columns: 1fr;
  }

  .cert-card {
    padding: 0.9rem;
  }

  .cert-pdf-link {
    min-height: var(--tap-min);
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .objectives-grid {
    grid-template-columns: 1fr;
  }

  .research-grid {
    grid-template-columns: 1fr;
  }

  .site-footer {
    padding: 1.15rem 0.875rem;
  }
}

@media (max-width: 360px) {
  .content-wrap {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
  }

  .site-nav-inner {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
  }
}