:root {
  color-scheme: light;
  --ink: #17383d;
  --ink-soft: #4c686c;
  --deep: #0a4a53;
  --deep-dark: #06363d;
  --teal: #087e7c;
  --aqua: #b9e1da;
  --cream: #f5f1e8;
  --paper: #fffdf7;
  --sand: #e9e1d3;
  --line: rgba(15, 65, 73, 0.16);
  --shadow: 0 24px 60px rgba(10, 57, 65, 0.1);
  --serif: Georgia, "Times New Roman", serif;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

html {
  background: var(--cream);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.6;
  scroll-behavior: smooth;
  text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 91% 7%, rgba(185, 225, 218, 0.55), transparent 30rem),
    var(--cream);
}

body.nav-open {
  overflow: hidden;
}

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

a {
  color: var(--deep);
  text-underline-offset: 0.18em;
}

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

button,
input {
  font: inherit;
}

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

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--paper);
  color: var(--deep);
  transform: translateY(-180%);
}

.skip-link:focus {
  transform: translateY(0);
}

.section-shell,
.header-inner,
.site-footer {
  width: min(1180px, calc(100% - 48px));
  margin-inline: auto;
}

.site-header {
  position: relative;
  z-index: 20;
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 86px;
  gap: 32px;
}

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

.brand:hover {
  color: var(--deep);
}

.brand-mark {
  display: grid;
  width: 44px;
  aspect-ratio: 1;
  place-items: center;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--deep);
  color: var(--paper);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.brand-copy {
  display: grid;
  line-height: 1.15;
}

.brand-copy strong {
  font-size: 1rem;
  letter-spacing: -0.02em;
}

.brand-copy small {
  margin-top: 4px;
  color: var(--ink-soft);
  font-size: 0.69rem;
  font-weight: 600;
  letter-spacing: 0.015em;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2.5vw, 34px);
}

.primary-nav a {
  position: relative;
  color: var(--ink);
  font-size: 0.86rem;
  font-weight: 700;
  text-decoration: none;
}

.primary-nav a::after {
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--teal);
  content: "";
  opacity: 0;
  transform: scaleX(0.4);
  transition: opacity 160ms ease, transform 160ms ease;
}

.primary-nav a:hover::after,
.primary-nav a:focus-visible::after,
.primary-nav a[aria-current="page"]::after {
  opacity: 1;
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--teal);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  color: var(--deep-dark);
  font-family: var(--serif);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1.06;
}

h1,
h2,
h3,
p {
  text-wrap: pretty;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.7fr);
  gap: clamp(54px, 8vw, 112px);
  align-items: center;
  padding-block: clamp(58px, 8vw, 104px);
}

.hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(3.2rem, 6.7vw, 6.6rem);
  letter-spacing: -0.06em;
  line-height: 0.96;
}

.lead {
  max-width: 700px;
  margin: 28px 0 0;
  color: var(--ink-soft);
  font-size: clamp(1.08rem, 1.8vw, 1.35rem);
  line-height: 1.55;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 12px 19px;
  border: 1px solid var(--deep);
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 750;
  text-decoration: none;
  transition: background-color 160ms ease, color 160ms ease, transform 160ms ease;
}

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

.button-primary {
  background: var(--deep);
  color: var(--paper);
}

.button-primary:hover {
  background: var(--deep-dark);
  color: var(--paper);
}

.button-secondary {
  background: transparent;
  color: var(--deep);
}

.button-secondary:hover {
  background: var(--paper);
  color: var(--deep);
}

.hero-portrait,
.profile-portrait {
  position: relative;
  overflow: hidden;
  border-radius: 200px 200px 24px 24px;
  background: var(--sand);
  box-shadow: var(--shadow);
}

.hero-portrait img,
.profile-portrait img {
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 3;
  object-fit: cover;
}

.portrait-caption {
  position: absolute;
  right: 14px;
  bottom: 14px;
  left: 14px;
  display: grid;
  padding: 15px 18px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 14px;
  background: rgba(5, 45, 51, 0.88);
  color: var(--paper);
  backdrop-filter: blur(8px);
}

.portrait-caption strong {
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 500;
}

.portrait-caption span {
  margin-top: 2px;
  color: #d8eeea;
  font-size: 0.74rem;
}

.trust-strip {
  border-block: 1px solid var(--line);
  background: rgba(255, 253, 247, 0.45);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.trust-grid > div {
  display: grid;
  gap: 5px;
  padding: 25px clamp(16px, 3vw, 36px);
  border-left: 1px solid var(--line);
}

.trust-grid > div:last-child {
  border-right: 1px solid var(--line);
}

.trust-grid strong {
  color: var(--deep);
  font-family: var(--serif);
  font-size: 1.18rem;
  font-weight: 500;
}

.trust-grid span {
  color: var(--ink-soft);
  font-size: 0.82rem;
}

.content-section,
.social-hub,
.channel-section {
  padding-block: clamp(70px, 9vw, 116px);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 420px);
  gap: 32px;
  align-items: end;
  margin-bottom: 38px;
}

.section-heading h2,
.split-feature h2,
.related-section h2 {
  margin: 0;
  font-size: clamp(2.2rem, 4.4vw, 4.2rem);
}

.section-heading > p {
  margin: 0;
  color: var(--ink-soft);
}

.text-link,
.back-link {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  color: var(--deep);
  font-size: 0.86rem;
  font-weight: 800;
  text-decoration-thickness: 1px;
}

.text-link::after {
  margin-left: 8px;
  content: "→";
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.article-card {
  display: flex;
  min-height: 290px;
  flex-direction: column;
  padding: clamp(24px, 3vw, 32px);
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 253, 247, 0.62);
  transition: border-color 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}

.article-card:hover {
  border-color: rgba(8, 126, 124, 0.45);
  box-shadow: 0 16px 34px rgba(10, 57, 65, 0.07);
  transform: translateY(-2px);
}

.article-card h3 {
  margin: 22px 0 14px;
  font-size: clamp(1.45rem, 2.4vw, 2rem);
}

.article-card h3 a {
  color: var(--deep-dark);
  text-decoration: none;
}

.article-card h3 a::after {
  position: absolute;
  inset: 0;
  content: "";
}

.article-card {
  position: relative;
}

.article-card p {
  margin: 0 0 22px;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.tag {
  display: inline-flex;
  padding: 5px 9px;
  border-radius: 999px;
  background: rgba(8, 126, 124, 0.1);
  color: var(--teal);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.025em;
}

.card-meta {
  display: flex;
  gap: 12px;
  margin-top: auto;
  color: var(--ink-soft);
  font-size: 0.72rem;
}

.card-meta span::before {
  margin-right: 12px;
  content: "·";
}

.empty-state {
  max-width: 780px;
  padding: clamp(30px, 5vw, 54px);
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 253, 247, 0.62);
}

.empty-state h3 {
  margin: 0;
  font-size: clamp(1.8rem, 3.6vw, 3rem);
}

.empty-state p:not(.eyebrow) {
  max-width: 600px;
  color: var(--ink-soft);
}

.split-feature {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(44px, 9vw, 124px);
  padding-block: clamp(70px, 9vw, 116px);
  border-top: 1px solid var(--line);
}

.split-feature h2 {
  max-width: 570px;
}

.prose {
  color: var(--ink);
  font-size: 1.02rem;
  line-height: 1.78;
}

.prose > *:first-child {
  margin-top: 0;
}

.prose h2,
.prose h3 {
  margin: 2.2em 0 0.65em;
}

.prose h2 {
  font-size: clamp(1.9rem, 3.4vw, 2.8rem);
}

.prose h3 {
  font-size: clamp(1.35rem, 2.6vw, 1.8rem);
}

.prose p,
.prose li {
  max-width: 720px;
}

.prose li + li {
  margin-top: 0.55em;
}

.compact-prose {
  max-width: 690px;
}

.social-hub {
  border-top: 1px solid var(--line);
}

.social-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.social-grid a {
  position: relative;
  display: grid;
  min-height: 106px;
  align-content: center;
  padding: 17px 42px 17px 18px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: rgba(255, 253, 247, 0.58);
  color: var(--deep);
  text-decoration: none;
  transition: border-color 160ms ease, background-color 160ms ease, transform 160ms ease;
}

.social-grid a:hover,
.social-grid a:focus-visible {
  border-color: rgba(8, 126, 124, 0.5);
  background: var(--paper);
  color: var(--deep);
  transform: translateY(-1px);
}

.social-grid strong {
  font-size: 0.91rem;
}

.social-grid a > span:not(.social-arrow, .sr-only) {
  overflow: hidden;
  margin-top: 3px;
  color: var(--ink-soft);
  font-size: 0.68rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.social-arrow {
  position: absolute;
  top: 50%;
  right: 17px;
  color: var(--teal);
  transform: translateY(-50%);
}

.page-intro {
  display: grid;
  align-items: end;
  min-height: 430px;
  padding-block: 74px;
}

.page-intro h1 {
  max-width: 920px;
  margin: 0;
  font-size: clamp(3.2rem, 7vw, 6.3rem);
}

.profile-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(50px, 9vw, 126px);
  align-items: start;
  padding-block: 20px clamp(80px, 11vw, 140px);
}

.profile-portrait {
  position: sticky;
  top: 30px;
}

.article-library {
  padding-bottom: clamp(86px, 11vw, 150px);
}

.library-toolbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 30px;
}

.library-toolbar h2,
.contact-heading {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2rem, 3.6vw, 3rem);
  font-weight: 500;
  letter-spacing: -0.04em;
}

.library-toolbar p {
  margin: 6px 0 0;
  color: var(--ink-soft);
  font-size: 0.8rem;
}

.search-field {
  display: grid;
  gap: 7px;
  width: min(100%, 340px);
  color: var(--ink-soft);
  font-size: 0.72rem;
  font-weight: 750;
}

.search-field input,
.search-field select {
  width: 100%;
  min-height: 46px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  outline: none;
  background: var(--paper);
  color: var(--ink);
  font: inherit;
}

.search-field input:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(8, 126, 124, 0.12);
}

.search-status {
  min-height: 1.5em;
  margin: 0 0 16px;
  color: var(--ink-soft);
  font-size: 0.8rem;
}

.article-card[hidden] {
  display: none;
}

.channel-section {
  padding-top: 20px;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(48px, 9vw, 120px);
  padding-bottom: clamp(86px, 11vw, 150px);
}

.contact-notice {
  padding: clamp(28px, 4vw, 42px);
  border-radius: 20px;
  background: var(--deep);
  color: #e8f3f1;
}

.contact-notice h2 {
  margin-top: 0;
  color: var(--paper);
}

.contact-socials {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 24px;
}

.article-shell {
  width: min(100% - 48px, 1180px);
  margin-inline: auto;
}

.article-header {
  max-width: 900px;
  padding: clamp(64px, 9vw, 120px) 0 58px;
}

.back-link {
  margin-bottom: 34px;
}

.back-link::before {
  margin-right: 8px;
  content: "←";
}

.article-header .tag-row {
  margin-bottom: 20px;
}

.article-header h1 {
  margin: 0;
  font-size: clamp(3rem, 6.6vw, 6.2rem);
}

.article-summary {
  max-width: 780px;
  margin: 28px 0 0;
  color: var(--ink-soft);
  font-size: clamp(1.12rem, 2vw, 1.4rem);
}

.article-byline {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin-top: 28px;
  color: var(--ink-soft);
  font-size: 0.76rem;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 740px) minmax(220px, 300px);
  gap: clamp(44px, 8vw, 100px);
  align-items: start;
  padding-block: 56px clamp(80px, 10vw, 130px);
  border-top: 1px solid var(--line);
}

.article-content {
  font-size: 1.08rem;
}

.article-content > p:first-child {
  color: var(--deep-dark);
  font-size: 1.18em;
}

.article-note {
  position: sticky;
  top: 28px;
  padding: 22px;
  border-left: 3px solid var(--teal);
  background: rgba(255, 253, 247, 0.62);
  color: var(--ink-soft);
  font-size: 0.8rem;
}

.article-note strong {
  color: var(--deep);
}

.article-note p {
  margin: 8px 0 0;
}

.related-video {
  margin-top: 52px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 253, 247, 0.64);
}

.related-video h2 {
  margin-top: 0;
}

.video-frame {
  position: relative;
  overflow: hidden;
  width: 100%;
  aspect-ratio: 16 / 9;
  margin: 20px 0;
  border-radius: 10px;
  background: var(--deep-dark);
}

.video-frame iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.video-consent { width:100%; height:100%; border:0; background:var(--deep); color:var(--paper); cursor:pointer; padding:20px; }
.video-consent span { display:block; font-size:.75rem; margin-top:10px; }

@media (max-width:720px) {
  .primary-nav { display:flex; flex-wrap:wrap; position:static; min-height:0; padding:12px 0; gap:16px; }
  .primary-nav a { font:inherit; font-size:.8rem; padding:4px 0; }
  .header-inner { flex-wrap:wrap; gap:0; }
  .nav-toggle { display:none; }
}

.related-section {
  padding-block: clamp(70px, 9vw, 116px);
  border-top: 1px solid var(--line);
}

.related-section .card-grid {
  margin-top: 34px;
}

.error-page {
  min-height: 68vh;
}

.site-footer {
  padding-block: 48px 32px;
  border-top: 1px solid var(--line);
}

.footer-main {
  display: grid;
  grid-template-columns: 1fr auto minmax(260px, 0.7fr);
  gap: clamp(34px, 7vw, 92px);
  padding-bottom: 34px;
}

.footer-brand {
  color: var(--deep);
  font-family: var(--serif);
  font-size: 1.4rem;
  text-decoration: none;
}

.footer-main p {
  max-width: 300px;
  margin: 8px 0 0;
  color: var(--ink-soft);
  font-size: 0.78rem;
}

.footer-nav,
.footer-social {
  display: grid;
  align-content: start;
  gap: 7px 20px;
}

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

.footer-nav a,
.footer-social a {
  color: var(--ink);
  font-size: 0.76rem;
  font-weight: 650;
  text-decoration: none;
}

.footer-legal {
  display: grid;
  grid-template-columns: auto minmax(0, 680px);
  gap: 28px;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.7rem;
}

.footer-legal p {
  margin: 0;
}

@media (max-width: 900px) {
  .section-shell,
  .header-inner,
  .site-footer,
  .article-shell {
    width: min(100% - 32px, 720px);
  }

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

  .hero-copy {
    padding-top: 20px;
  }

  .hero-portrait {
    width: min(100%, 490px);
  }

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

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

  .profile-grid,
  .contact-grid,
  .article-layout {
    grid-template-columns: 1fr;
  }

  .profile-portrait {
    position: static;
    width: min(100%, 440px);
  }

  .article-note {
    position: static;
    max-width: 600px;
  }

  .footer-main {
    grid-template-columns: 1fr 0.6fr 1fr;
  }
}

@media (max-width: 720px) {
  .header-inner {
    min-height: 74px;
  }

  .brand-mark {
    width: 40px;
  }

  .brand-copy small {
    display: none;
  }

  .nav-toggle {
    display: grid;
    width: 44px;
    height: 44px;
    place-content: center;
    gap: 7px;
    border: 0;
    border-radius: 50%;
    background: transparent;
    color: var(--deep);
    cursor: pointer;
  }

  .nav-toggle > span[aria-hidden="true"] {
    width: 22px;
    height: 2px;
    background: currentColor;
    transition: transform 160ms ease;
  }

  .nav-toggle[aria-expanded="true"] > span[aria-hidden="true"]:nth-child(2) {
    transform: translateY(4.5px) rotate(45deg);
  }

  .nav-toggle[aria-expanded="true"] > span[aria-hidden="true"]:nth-child(3) {
    transform: translateY(-4.5px) rotate(-45deg);
  }

  .primary-nav {
    position: absolute;
    top: 74px;
    right: 0;
    left: 0;
    display: none;
    min-height: calc(100vh - 74px);
    align-content: start;
    padding: 26px 24px;
    background: var(--cream);
  }

  .primary-nav.is-open {
    display: grid;
  }

  .primary-nav a {
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
    font-family: var(--serif);
    font-size: 1.7rem;
    font-weight: 500;
  }

  .primary-nav a::after {
    display: none;
  }

  .hero {
    gap: 42px;
    padding-block: 58px 72px;
  }

  .hero h1,
  .page-intro h1,
  .article-header h1 {
    font-size: clamp(3rem, 14vw, 4.8rem);
  }

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

  .trust-grid > div,
  .trust-grid > div:last-child {
    border-right: 1px solid var(--line);
  }

  .trust-grid > div + div {
    border-top: 1px solid var(--line);
  }

  .section-heading,
  .split-feature {
    grid-template-columns: 1fr;
  }

  .section-heading {
    align-items: start;
  }

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

  .article-card {
    min-height: 250px;
  }

  .page-intro {
    min-height: 350px;
    padding-block: 58px;
  }

  .library-toolbar {
    align-items: stretch;
    flex-direction: column;
  }

  .search-field {
    width: 100%;
  }

  .footer-main,
  .footer-legal {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 450px) {
  .social-grid,
  .contact-socials {
    grid-template-columns: 1fr;
  }

  .button-row {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}