:root {
  color-scheme: light;
  --ink: #101417;
  --paper: #f7f7f4;
  --white: #ffffff;
  --muted: #636b70;
  --line: #d9ddda;
  --teal: #087f8c;
  --teal-dark: #045d66;
  --coral: #ef6a5b;
  --yellow: #f2c14e;
  --max: 1180px;
  --radius: 1.5rem;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 7rem;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

a { color: inherit; }

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.75rem 1rem;
  background: var(--ink);
  color: var(--white);
  transform: translateY(-150%);
}

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

.site-header,
footer {
  width: min(calc(100% - 3rem), var(--max));
  margin-inline: auto;
}

.site-header {
  min-height: 6.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  color: var(--ink);
  text-decoration: none;
}

.brand-mark {
  width: 2.5rem;
  height: 2.5rem;
  display: grid;
  place-items: center;
  background: var(--ink);
  color: var(--white);
  border-radius: 50% 50% 50% 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.35rem;
  font-style: italic;
  transform: rotate(-8deg);
}

.brand > span:last-child { display: grid; line-height: 1; }
.brand strong { font-size: 1rem; letter-spacing: 0.18em; }
.brand small { margin-top: 0.36rem; font-size: 0.66rem; letter-spacing: 0.13em; }

nav { display: flex; align-items: center; gap: clamp(1rem, 3vw, 2.25rem); }

nav a,
footer a {
  color: var(--ink);
  font-size: 0.88rem;
  font-weight: 650;
  text-decoration: none;
  text-underline-offset: 0.3rem;
}

nav a:hover,
nav a:focus-visible,
footer a:hover,
footer a:focus-visible { text-decoration: underline; }

main > section {
  width: min(calc(100% - 3rem), var(--max));
  margin-inline: auto;
}

.hero {
  min-height: calc(100svh - 6.5rem);
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(20rem, 0.75fr);
  align-items: center;
  gap: clamp(3rem, 7vw, 7rem);
  padding-block: clamp(4.5rem, 10vw, 8rem);
}

.eyebrow,
.section-label p,
.status {
  margin: 0;
  color: var(--teal-dark);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.17em;
}

h1,
h2,
h3,
p { overflow-wrap: break-word; }

h1,
h2 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 0.98;
}

.hero h1 {
  max-width: 12ch;
  margin-top: 1.3rem;
  font-size: clamp(3.2rem, 7vw, 6.8rem);
}

.hero h1 em { color: var(--teal); font-weight: 500; }

.lead {
  max-width: 43rem;
  margin: 2rem 0 0;
  color: #3f484d;
  font-size: clamp(1.08rem, 2vw, 1.3rem);
}

.actions { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-top: 2.4rem; }

.button {
  min-height: 3.25rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.3rem;
  border: 1px solid var(--ink);
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 750;
  text-decoration: none;
  transition: transform 160ms ease, background-color 160ms ease, color 160ms ease;
}

.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--ink); color: var(--white); }
.button-primary:hover { background: var(--teal-dark); border-color: var(--teal-dark); }
.button-secondary:hover { background: var(--white); }

.letter-field {
  position: relative;
  min-height: 29rem;
  overflow: hidden;
  display: grid;
  place-items: center;
  background: var(--ink);
  color: var(--white);
  border-radius: 12rem 12rem var(--radius) var(--radius);
  isolation: isolate;
}

.letter-field::before,
.letter-field::after {
  content: "";
  position: absolute;
  width: 13rem;
  aspect-ratio: 1;
  border-radius: 50%;
  filter: blur(1px);
  opacity: 0.88;
  z-index: -1;
}

.letter-field::before { top: -4rem; right: -3rem; background: var(--coral); }
.letter-field::after { bottom: -5rem; left: -3rem; background: var(--teal); }

.letter {
  position: absolute;
  font-family: Georgia, "Times New Roman", serif;
  line-height: 1;
}

.letter-sinhala { top: 21%; left: 14%; font-size: 8rem; transform: rotate(-9deg); }
.letter-latin { top: 39%; right: 18%; font-size: 10rem; font-style: italic; opacity: 0.82; }
.letter-accent { bottom: 8%; left: 37%; color: var(--yellow); font-size: 6rem; transform: rotate(12deg); }
.letter-field p { position: absolute; left: 1.75rem; bottom: 1.5rem; max-width: 12rem; margin: 0; font-size: 0.9rem; }

.programme,
.approach { padding-block: clamp(6rem, 12vw, 10rem); border-top: 1px solid var(--line); }

.section-label {
  display: grid;
  grid-template-columns: 2rem auto;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 3rem;
}

.section-label span {
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--ink);
  border-radius: 50%;
  font-size: 0.7rem;
  font-weight: 800;
}

.programme-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(20rem, 0.85fr);
  gap: clamp(3rem, 8vw, 7rem);
  padding: clamp(2rem, 6vw, 5rem);
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: 0 1.5rem 5rem rgba(16, 20, 23, 0.08);
}

.programme-heading h2 { margin-top: 1.2rem; font-size: clamp(4rem, 9vw, 8rem); }
.programme-subtitle { max-width: 23rem; margin: 1.5rem 0 0; color: var(--teal-dark); font-size: 1.2rem; font-weight: 750; }
.programme-details > p:first-child { margin-top: 0; font-size: 1.14rem; }

.feature-list { list-style: none; margin: 2rem 0; padding: 0; border-top: 1px solid var(--line); }
.feature-list li { position: relative; padding: 0.9rem 2rem 0.9rem 0; border-bottom: 1px solid var(--line); font-weight: 700; }
.feature-list li::after { content: "↗"; position: absolute; right: 0; color: var(--teal); }
.notice { margin-bottom: 0; padding: 1rem; background: #eaf5f4; border-left: 3px solid var(--teal); color: #31464a; font-size: 0.92rem; }

.section-intro { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(18rem, 0.8fr); gap: 3rem; align-items: end; }
.section-intro h2 { max-width: 11ch; font-size: clamp(3rem, 6vw, 5.5rem); }
.section-intro p { margin: 0; color: var(--muted); font-size: 1.08rem; }

.principles { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 4rem; border-top: 1px solid var(--ink); }
.principles article { min-height: 18rem; padding: 1.5rem; border-right: 1px solid var(--line); }
.principles article:first-child { padding-left: 0; }
.principles article:last-child { border-right: 0; }
.principle-number { color: var(--teal); font-family: Georgia, "Times New Roman", serif; font-size: 2rem; }
.principles h3 { margin: 5rem 0 0.7rem; font-size: 1.25rem; }
.principles p { max-width: 25rem; margin: 0; color: var(--muted); }

.about {
  display: grid;
  grid-template-columns: minmax(16rem, 0.7fr) minmax(0, 1.3fr);
  align-items: center;
  gap: clamp(3rem, 9vw, 8rem);
  padding-block: clamp(6rem, 12vw, 11rem);
  border-top: 1px solid var(--line);
}

.about-mark {
  position: relative;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: var(--teal);
  border-radius: 50% 50% 50% 0;
}

.about-mark span { color: var(--white); font-family: Georgia, "Times New Roman", serif; font-size: clamp(8rem, 18vw, 15rem); font-style: italic; }
.about-mark i { position: absolute; right: 14%; bottom: 14%; width: 1.5rem; aspect-ratio: 1; background: var(--yellow); border-radius: 50%; }
.about h2 { max-width: 11ch; margin-top: 1.5rem; font-size: clamp(3rem, 6vw, 5.5rem); }
.about > div:last-child > p:last-child { max-width: 40rem; margin-top: 2rem; color: var(--muted); font-size: 1.08rem; }

.closing {
  width: 100%;
  max-width: none;
  padding: clamp(5rem, 12vw, 10rem) max(1.5rem, calc((100vw - var(--max)) / 2));
  background: var(--ink);
  color: var(--white);
  text-align: center;
}

.closing .eyebrow { color: #7ed0d4; }
.closing h2 { margin-top: 1.2rem; font-size: clamp(3rem, 7vw, 6rem); }
.closing > p:not(.eyebrow) { margin: 1.5rem auto 0; color: #bdc5c8; font-size: 1.1rem; }
.text-link { display: inline-block; margin-top: 2rem; color: var(--white); font-weight: 750; text-underline-offset: 0.35rem; }
.text-link span { margin-left: 0.4rem; color: #7ed0d4; }

footer {
  min-height: 8rem;
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 2rem;
}

footer p { color: var(--muted); font-size: 0.84rem; }
.footer-brand .brand-mark { width: 2rem; height: 2rem; font-size: 1rem; }
.footer-brand strong { font-size: 0.82rem; }
.footer-brand small { font-size: 0.55rem; }

.compact-header { min-height: 5.5rem; }
.policy-page { width: min(calc(100% - 3rem), 800px); margin: 0 auto; padding-block: clamp(5rem, 10vw, 8rem); }
.policy-page h1 { max-width: 11ch; margin-top: 1rem; font-size: clamp(3.2rem, 8vw, 6.5rem); }
.policy-lead { margin: 2rem 0 4rem; color: var(--teal-dark); font-size: 1.25rem; }
.policy-page section { margin-top: 2.75rem; }
.policy-page section h2 { font-family: inherit; font-size: 1.35rem; font-weight: 800; letter-spacing: -0.02em; }
.policy-page section p { color: var(--muted); }
.policy-date { margin-top: 4rem; padding-top: 1.5rem; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.9rem; }

.error-page { min-height: 100svh; display: grid; place-items: center; padding: 1.5rem; background: var(--ink); color: var(--white); }
.error-page main { max-width: 48rem; text-align: center; }
.error-code { margin: 0; color: #7ed0d4; font-size: 0.8rem; font-weight: 800; letter-spacing: 0.25em; }
.error-page h1 { margin-top: 1rem; font-size: clamp(3rem, 8vw, 6rem); }
.error-page p:not(.error-code) { margin: 1.5rem 0 2rem; color: #bdc5c8; }
.error-page .button-primary { background: var(--white); color: var(--ink); border-color: var(--white); }

:focus-visible { outline: 3px solid var(--yellow); outline-offset: 4px; }

@media (max-width: 800px) {
  .site-header { min-height: auto; padding-block: 1.2rem; align-items: flex-start; }
  .site-header nav { align-items: flex-end; flex-direction: column; gap: 0.45rem; }
  .hero { min-height: auto; grid-template-columns: 1fr; }
  .letter-field { min-height: 25rem; }
  .programme-card,
  .section-intro,
  .about { grid-template-columns: 1fr; }
  .principles { grid-template-columns: 1fr; }
  .principles article,
  .principles article:first-child { min-height: auto; padding: 1.5rem 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .principles article:last-child { border-bottom: 0; }
  .principles h3 { margin-top: 2rem; }
  .about-mark { width: min(24rem, 100%); }
  footer { grid-template-columns: 1fr auto; padding-block: 2rem; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 520px) {
  .site-header,
  footer,
  main > section { width: min(calc(100% - 2rem), var(--max)); }
  .site-header { display: grid; }
  .site-header nav { width: 100%; align-items: flex-start; flex-direction: row; flex-wrap: wrap; }
  .hero { padding-top: 3.5rem; }
  .hero h1 { font-size: clamp(3rem, 15vw, 4.7rem); }
  .actions { display: grid; }
  .button { width: 100%; }
  .letter-field { min-height: 21rem; }
  .letter-sinhala { font-size: 6rem; }
  .letter-latin { font-size: 7.5rem; }
  .letter-accent { font-size: 4rem; }
  .programme-card { padding: 1.5rem; }
  .programme-heading h2 { font-size: clamp(3.7rem, 20vw, 5.8rem); }
  .closing { width: 100%; }
  footer { grid-template-columns: 1fr; gap: 0.6rem; }
  .footer-brand { grid-column: auto; }
  footer p { margin: 0.6rem 0 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}