:root {
  --navy: #1c4367;
  --navy-dark: #102c46;
  --navy-soft: #eaf2f8;
  --sky: #74bce8;
  --teal: #0da39a;
  --teal-dark: #087f79;
  --ink: #173047;
  --muted: #637789;
  --line: #d8e4ee;
  --white: #ffffff;
  --surface: #f7fafc;
  --shadow: 0 18px 45px rgba(16, 44, 70, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Open Sans", Arial, sans-serif;
  color: var(--ink);
  background: var(--surface);
}

a {
  color: inherit;
}

button,
input {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(18px, 4vw, 56px);
  background: rgba(255, 255, 255, 0.93);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 800;
  color: var(--navy);
}

.brand img {
  width: 38px;
  height: 38px;
  border-radius: 8px;
}

.top-nav {
  display: flex;
  gap: 18px;
  color: var(--navy);
  font-size: 0.92rem;
  font-weight: 700;
}

.top-nav a {
  text-decoration: none;
}

.hero,
.intro-band,
.question-section,
.leaders-section,
.fast-section,
.resources-section,
.site-footer {
  padding-inline: clamp(18px, 5vw, 72px);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(300px, 0.72fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  min-height: calc(88vh - 68px);
  padding-block: clamp(34px, 5vw, 64px);
  background:
    linear-gradient(115deg, rgba(255, 255, 255, 0.95), rgba(234, 242, 248, 0.74)),
    radial-gradient(circle at 80% 30%, rgba(116, 188, 232, 0.32), transparent 32%),
    var(--surface);
}

.hero-copy {
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--teal-dark);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.eyebrow a {
  color: inherit;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 22px;
  color: var(--navy);
  font-size: clamp(2.35rem, 5vw, 4.85rem);
  line-height: 1.02;
  letter-spacing: 0;
}

h2 {
  color: var(--navy);
  font-size: clamp(2rem, 4vw, 3.3rem);
  line-height: 1.05;
  letter-spacing: 0;
}

h3 {
  color: var(--navy-dark);
  font-size: 1.12rem;
  line-height: 1.28;
}

.hero-text,
.section-heading p,
.intro-band p,
.timeline p,
.testimonial p,
.resource-grid p {
  color: var(--muted);
  font-size: 1.03rem;
  line-height: 1.7;
}

blockquote {
  margin: 28px 0;
  padding-left: 20px;
  border-left: 5px solid var(--teal);
  color: var(--navy-dark);
  font-size: 1.08rem;
  font-style: italic;
  font-weight: 700;
  line-height: 1.55;
}

blockquote cite {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-style: normal;
  font-weight: 700;
}

.hero-actions,
.search-row,
.toolbar,
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.button,
.question-action,
.view-toggle button,
.chip {
  min-height: 42px;
  border: 0;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 800;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  text-decoration: none;
}

.button.primary {
  color: var(--white);
  background: var(--navy);
  box-shadow: 0 12px 28px rgba(28, 67, 103, 0.22);
}

.button.secondary {
  color: var(--navy);
  background: var(--navy-soft);
}

.hero-media {
  position: relative;
}

.hero-media img {
  display: block;
  width: 100%;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.hero-panel {
  padding: clamp(24px, 4vw, 42px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(234, 242, 248, 0.9)),
    var(--white);
  box-shadow: var(--shadow);
}

.hero-panel img {
  width: 62px;
  height: 62px;
  margin-bottom: 28px;
  border-radius: 8px;
}

.hero-panel h2 {
  margin-bottom: 22px;
  font-size: clamp(1.8rem, 3vw, 2.7rem);
}

.hero-panel ul {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.hero-panel li {
  padding: 14px 16px;
  border-left: 4px solid var(--teal);
  border-radius: 8px;
  color: var(--navy-dark);
  background: var(--white);
  font-weight: 800;
  box-shadow: 0 10px 24px rgba(16, 44, 70, 0.06);
}

.intro-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
  padding-block: 46px;
  color: var(--white);
  background: var(--navy);
}

.intro-band h2 {
  margin-bottom: 12px;
  color: var(--white);
}

.intro-band p {
  max-width: 780px;
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.82);
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(86px, 1fr));
  gap: 12px;
}

.stat-grid div {
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.stat-grid strong {
  display: block;
  color: var(--white);
  font-size: 1.7rem;
}

.stat-grid span {
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.86rem;
  font-weight: 700;
}

.question-section,
.leaders-section,
.fast-section,
.resources-section {
  padding-block: clamp(56px, 8vw, 96px);
}

.section-heading {
  max-width: 880px;
  margin-bottom: 28px;
}

.tool-panel {
  position: sticky;
  top: 67px;
  z-index: 10;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 14px 38px rgba(16, 44, 70, 0.08);
  backdrop-filter: blur(12px);
}

.search-row {
  align-items: end;
  margin-bottom: 14px;
}

.search-box {
  flex: 1 1 320px;
}

.search-box span {
  display: block;
  margin-bottom: 7px;
  color: var(--navy);
  font-size: 0.86rem;
  font-weight: 800;
}

.search-box input {
  width: 100%;
  min-height: 48px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: var(--white);
}

.toolbar {
  justify-content: space-between;
}

.chips {
  display: flex;
  flex: 1 1 620px;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  padding: 8px 12px;
  color: var(--navy);
  background: var(--navy-soft);
}

.chip.active {
  color: var(--white);
  background: var(--teal-dark);
}

.view-toggle {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.view-toggle button {
  min-width: 74px;
  color: var(--muted);
  background: transparent;
}

.view-toggle button.active {
  color: var(--white);
  background: var(--navy);
}

.active-summary {
  margin: 18px 0;
  color: var(--muted);
  font-weight: 700;
}

.question-results {
  display: grid;
  gap: 12px;
}

.question-results.card-view {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.question-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  align-items: start;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.card-view .question-item {
  min-height: 230px;
  align-content: space-between;
}

.question-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.question-meta span {
  padding: 4px 8px;
  border-radius: 8px;
  color: var(--teal-dark);
  background: rgba(13, 163, 154, 0.1);
  font-size: 0.76rem;
  font-weight: 800;
}

.question-item p {
  margin-bottom: 0;
  color: var(--navy-dark);
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.55;
}

.question-actions {
  display: flex;
  gap: 8px;
}

.question-action {
  width: 42px;
  color: var(--navy);
  background: var(--navy-soft);
}

.question-action.saved {
  color: var(--white);
  background: var(--teal-dark);
}

.leaders-section,
.resources-section {
  background: var(--white);
}

.leader-grid,
.resource-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.leader-grid article,
.resource-grid article,
.resource-card,
.timeline article,
.testimonial {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 10px 28px rgba(16, 44, 70, 0.06);
}

.leader-grid article {
  min-height: 190px;
  padding: 24px;
  background: linear-gradient(180deg, var(--white), var(--navy-soft));
}

.leader-grid span,
.timeline span {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--teal-dark);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.leader-grid h3 {
  font-size: 1.45rem;
}

.fast-section {
  background:
    linear-gradient(180deg, var(--surface), #ffffff 65%),
    var(--surface);
}

.fast-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 410px);
  gap: 24px;
  align-items: start;
}

.timeline {
  display: grid;
  gap: 12px;
}

.timeline article {
  padding: 22px;
}

.timeline h3,
.resource-grid h3 {
  margin-bottom: 8px;
}

.testimonial {
  position: sticky;
  top: 190px;
  overflow: hidden;
}

.testimonial img {
  display: block;
  width: 100%;
}

.testimonial p {
  margin: 0;
  padding: 18px;
}

.resource-grid article,
.resource-card {
  padding: 22px;
}

.resource-card {
  display: block;
  color: inherit;
  text-decoration: none;
}

.resource-card:hover,
.resource-card:focus-visible {
  border-color: rgba(13, 163, 154, 0.5);
  transform: translateY(-2px);
}

.external-hero,
.external-index,
.external-section {
  padding-inline: clamp(18px, 5vw, 72px);
}

.external-hero {
  padding-block: clamp(48px, 8vw, 92px);
  background:
    linear-gradient(115deg, rgba(255, 255, 255, 0.95), rgba(234, 242, 248, 0.84)),
    var(--surface);
}

.external-hero h1 {
  max-width: 900px;
}

.external-hero .hero-text {
  max-width: 760px;
}

.external-index {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-block: 22px;
  border-block: 1px solid var(--line);
  background: var(--white);
}

.external-index a {
  padding: 10px 14px;
  border-radius: 8px;
  color: var(--navy);
  background: var(--navy-soft);
  font-weight: 800;
  text-decoration: none;
}

.external-section {
  padding-block: clamp(48px, 7vw, 82px);
}

.external-section:nth-of-type(odd) {
  background: var(--white);
}

.resource-notes,
.comparison-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.comparison-grid {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.resource-notes article,
.comparison-grid article,
.question-list li {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 10px 28px rgba(16, 44, 70, 0.06);
}

.resource-notes article,
.comparison-grid article {
  padding: 22px;
}

.comparison-grid span {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--teal-dark);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.comparison-grid p,
.question-list li {
  color: var(--navy-dark);
  font-weight: 700;
  line-height: 1.55;
}

.before-after {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.before-after div {
  padding: 14px;
  border-radius: 8px;
  background: #fff1f1;
  border-left: 4px solid #d96b6b;
}

.before-after div:last-child {
  background: var(--navy-soft);
  border-left: 4px solid var(--teal);
}

.before-after b {
  display: block;
  margin-bottom: 8px;
  color: var(--teal-dark);
  font-size: 0.78rem;
  text-transform: uppercase;
}

.before-after p {
  margin-bottom: 0;
}

.meetup-photo {
  margin: 24px 0 0;
}

.meetup-photo img {
  display: block;
  width: min(100%, 820px);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.meetup-photo figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 700;
}

.question-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-left: 0;
  list-style-position: inside;
}

.question-list li {
  padding: 16px 18px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding-block: 32px;
  color: rgba(255, 255, 255, 0.82);
  background: var(--navy-dark);
}

.site-footer strong {
  color: var(--white);
}

.site-footer p {
  margin-bottom: 0;
}

.footer-links {
  justify-content: flex-end;
}

.footer-links a,
.footer-links span {
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.9rem;
  font-weight: 700;
}

.site-footer p a {
  color: inherit;
  font-weight: 800;
  text-underline-offset: 3px;
}

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 40;
  max-width: min(360px, calc(100vw - 36px));
  padding: 12px 14px;
  border-radius: 8px;
  color: var(--white);
  background: var(--navy-dark);
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity 180ms ease, transform 180ms ease;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .top-nav {
    display: none;
  }

  .hero,
  .intro-band,
  .fast-layout {
    grid-template-columns: 1fr;
  }

  .intro-band {
    align-items: start;
  }

  .leader-grid,
  .resource-grid,
  .resource-notes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .testimonial {
    position: static;
  }
}

@media (max-width: 640px) {
  .site-header {
    padding-inline: 16px;
  }

  .brand span {
    font-size: 0.9rem;
  }

  .hero {
    min-height: auto;
  }

  h1 {
    font-size: 2.28rem;
  }

  .stat-grid,
  .leader-grid,
  .resource-grid,
  .resource-notes,
  .before-after {
    grid-template-columns: 1fr;
  }

  .tool-panel {
    position: static;
  }

  .question-item {
    grid-template-columns: 1fr;
  }

  .question-actions {
    justify-content: flex-start;
  }

  .site-footer {
    flex-direction: column;
  }

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