:root {
  --paper: #f4efe6;
  --paper-alt: #ebe4d6;
  --ink: #1c1914;
  --ink-soft: #5c564c;
  --line: #d9d0c0;
  --saffron: #c45c12;
  --saffron-deep: #9a4308;
  --white: #fffdf8;
  --max: 40rem;
  --wide: 64rem;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "IBM Plex Sans", system-ui, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3 {
  font-family: "Source Serif 4", "Times New Roman", serif;
  font-weight: 550;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

h1 {
  font-size: clamp(2.1rem, 5vw, 3.35rem);
  margin: 0.35rem 0 1.1rem;
}

h2 {
  font-size: clamp(1.7rem, 3vw, 2.15rem);
  margin: 0 0 1.1rem;
}

h3 {
  font-size: 1.1rem;
  margin: 0 0 0.4rem;
}

p {
  margin: 0 0 1rem;
}

img {
  max-width: 100%;
}

a {
  color: var(--saffron-deep);
}

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

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

.skip {
  position: absolute;
  left: -999px;
  top: 0;
}

.skip:focus {
  left: 1rem;
  top: 1rem;
  z-index: 40;
  background: var(--white);
  padding: 0.4rem 0.7rem;
}

.shell {
  width: min(calc(100% - 2.5rem), var(--wide));
  margin-inline: auto;
}

.prose {
  width: min(100%, var(--max));
}

.wide-prose {
  width: min(100%, 52rem);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  color: var(--ink);
  font-weight: 600;
  letter-spacing: 0.01em;
}

.brand-logo,
.hero-logo {
  display: block;
  flex-shrink: 0;
}

.brand-logo {
  width: 2.5rem;
  height: 2.5rem;
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: 0.85rem;
  padding: 0.35rem 0.7rem;
  cursor: pointer;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.15rem;
}

.site-nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.9rem;
  padding-bottom: 0.15rem;
  border-bottom: 1px solid transparent;
}

.site-nav a:hover {
  color: var(--ink);
}

.site-nav a[aria-current="true"] {
  color: var(--ink);
  border-bottom-color: var(--saffron);
}

.login-btn {
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  font: inherit;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.4rem 0.85rem;
  cursor: pointer;
}

.login-btn:hover,
.login-btn:focus-visible {
  background: var(--saffron);
  border-color: var(--saffron);
}

.hero {
  padding: 3.6rem 0 3.4rem;
  border-bottom: 1px solid var(--line);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2.6rem;
  align-items: center;
}

.hero-logo {
  width: 4.25rem;
  height: 4.25rem;
  margin-bottom: 1.2rem;
}

.hero-figure {
  margin: 0;
}

.hero-figure img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  border: 1px solid var(--line);
}

.hero-figure figcaption,
.side-figure figcaption {
  margin-top: 0.55rem;
  color: var(--ink-soft);
  font-size: 0.8rem;
  line-height: 1.5;
}

.kicker {
  margin: 0 0 0.8rem;
  color: var(--saffron-deep);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.lede {
  max-width: 34rem;
  color: var(--ink-soft);
  font-size: 1.12rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 1.6rem 0 0;
}

.btn {
  display: inline-block;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.55rem 1.1rem;
}

.btn:hover {
  background: var(--saffron);
  border-color: var(--saffron);
  color: var(--paper);
}

.btn.ghost {
  background: transparent;
  color: var(--ink);
}

.btn.ghost:hover {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.facts {
  padding: 1.8rem 0;
  border-bottom: 1px solid var(--line);
  background: var(--paper-alt);
}

.facts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem 2rem;
}

.fact-label {
  margin: 0 0 0.3rem;
  color: var(--saffron);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.fact-text {
  margin: 0;
  font-family: "Source Serif 4", serif;
  font-size: 1.05rem;
  line-height: 1.45;
}

.block {
  padding: 4rem 0;
  border-bottom: 1px solid var(--line);
}

.block.alt {
  background: var(--paper-alt);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 2.8rem;
  align-items: start;
}

.split .prose {
  width: 100%;
}

.split.reverse .prose {
  order: 2;
}

.split.reverse .side-figure {
  order: 1;
}

.side-figure {
  margin: 0;
  position: sticky;
  top: 5.5rem;
}

.side-figure img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  border: 1px solid var(--line);
}

.section-index {
  margin: 0 0 0.55rem;
  color: var(--saffron);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
}

.wide-figure {
  margin: 2.2rem 0 0;
}

.wide-figure img {
  width: 100%;
  aspect-ratio: 16 / 8;
  object-fit: cover;
  display: block;
  border: 1px solid var(--line);
}

.wide-figure figcaption {
  margin-top: 0.55rem;
  color: var(--ink-soft);
  font-size: 0.8rem;
  line-height: 1.5;
  max-width: 40rem;
}

.plain-list,
.check-list,
.steps {
  margin: 1.4rem 0 0;
  padding: 0;
  list-style: none;
}

.plain-list li {
  padding: 0.7rem 0;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
}

.plain-list li:last-child {
  border-bottom: 1px solid var(--line);
}

.check-list li {
  position: relative;
  padding: 0.7rem 0 0.7rem 1.7rem;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
}

.check-list li:last-child {
  border-bottom: 1px solid var(--line);
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.15rem;
  width: 0.55rem;
  height: 0.3rem;
  border-left: 2px solid var(--saffron);
  border-bottom: 2px solid var(--saffron);
  transform: rotate(-45deg);
}

.steps {
  counter-reset: step;
}

.steps li {
  position: relative;
  padding: 1.1rem 0 1.1rem 2.4rem;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
}

.steps li:last-child {
  border-bottom: 1px solid var(--line);
}

.steps li::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1.2rem;
  color: var(--saffron);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
}

.steps strong {
  display: block;
  color: var(--ink);
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.harm-grid,
.report-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem 1.8rem;
  margin-top: 1.8rem;
}

.report-grid {
  grid-template-columns: repeat(4, 1fr);
}

.harm-grid article,
.report-grid article {
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.harm-grid p,
.report-grid p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.note {
  margin: 1.6rem 0 0;
  padding: 0.9rem 1.1rem;
  border-left: 2px solid var(--saffron);
  background: color-mix(in srgb, var(--white) 60%, transparent);
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.photo-band {
  padding: 3rem 0 3.4rem;
  border-bottom: 1px solid var(--line);
  background: var(--paper-alt);
}

.photo-head {
  margin-bottom: 1.5rem;
  max-width: 40rem;
}

.photo-head h2 {
  margin: 0 0 0.7rem;
  font-size: clamp(1.35rem, 2.4vw, 1.8rem);
}

.photo-head .section-index {
  margin: 0 0 0.35rem;
}

.photo-intro {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.98rem;
}

.photo-gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 10.5rem;
  gap: 0.55rem;
}

.photo-gallery figure {
  margin: 0;
  position: relative;
  overflow: hidden;
  background: #d7cfc0;
}

.photo-gallery .span-tall {
  grid-row: span 2;
}

.photo-gallery img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.photo-gallery figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 1.6rem 0.7rem 0.55rem;
  background: linear-gradient(transparent, rgb(28 25 20 / 0.75));
  color: var(--paper);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
}

.credit {
  margin: 1rem 0 0;
  color: var(--ink-soft);
  font-size: 0.78rem;
  line-height: 1.6;
}

.faq {
  margin-top: 1.6rem;
  border-top: 1px solid var(--line);
}

.faq details {
  border-bottom: 1px solid var(--line);
}

.faq summary {
  cursor: pointer;
  padding: 0.95rem 2rem 0.95rem 0;
  position: relative;
  font-weight: 500;
  list-style: none;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "+";
  position: absolute;
  right: 0.2rem;
  top: 0.85rem;
  color: var(--saffron);
  font-size: 1.1rem;
}

.faq details[open] summary::after {
  content: "–";
}

.faq details p {
  margin: 0 0 1rem;
  color: var(--ink-soft);
  font-size: 0.97rem;
  max-width: 38rem;
}

.glossary {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0 2.2rem;
  margin: 1.6rem 0 0;
}

.glossary > div {
  padding: 0.75rem 0;
  border-top: 1px solid var(--line);
}

.glossary dt {
  font-weight: 600;
}

.glossary dd {
  margin: 0.1rem 0 0;
  color: var(--ink-soft);
  font-size: 0.94rem;
}

.contact .email-line {
  margin-top: 1.6rem;
}

.contact .email-line a {
  color: var(--ink);
  font-family: "Source Serif 4", serif;
  font-size: clamp(1.4rem, 3vw, 2rem);
  text-decoration: none;
  border-bottom: 1px solid var(--saffron);
}

.contact .email-line a:hover {
  color: var(--saffron-deep);
}

.site-footer {
  padding: 2.6rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 1.8rem;
}

.footer-grid ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-grid li {
  margin-bottom: 0.35rem;
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.footer-grid a {
  color: var(--ink-soft);
  text-decoration: none;
}

.footer-grid a:hover {
  color: var(--ink);
}

.footer-heading {
  margin: 0 0 0.6rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 0.5rem;
  font-weight: 600;
}

.footer-note {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.88rem;
  max-width: 18rem;
}

.footer-base {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 2.2rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.78rem;
}

.footer-base p {
  margin: 0;
}

.to-top {
  position: fixed;
  right: 1.2rem;
  bottom: 1.2rem;
  z-index: 15;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--ink);
  font: inherit;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.5rem 0.75rem;
  cursor: pointer;
}

.to-top[hidden] {
  display: none;
}

.to-top:hover {
  background: var(--ink);
  color: var(--paper);
}

.auth-modal {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: grid;
  place-items: center;
  background: rgb(28 25 20 / 0.42);
  padding: 1.2rem;
}

.auth-modal[hidden] {
  display: none;
}

.auth-panel {
  width: min(100%, 22rem);
  background: var(--white);
  border: 1px solid var(--line);
  padding: 1.7rem 1.5rem 1.4rem;
  text-align: center;
}

.auth-title {
  margin: 0 0 0.4rem;
  font-family: "Source Serif 4", serif;
  font-size: 1.45rem;
}

.auth-copy {
  margin: 0 0 1.2rem;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.auth-close {
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: 0.85rem;
  padding: 0.4rem 0.95rem;
  cursor: pointer;
}

.auth-close:hover {
  background: var(--ink);
  color: var(--paper);
}

@media (max-width: 980px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .split,
  .split.reverse {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .split.reverse .prose,
  .split.reverse .side-figure {
    order: initial;
  }

  .side-figure {
    position: static;
  }

  .harm-grid,
  .report-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

@media (max-width: 800px) {
  .nav-toggle {
    display: inline-block;
  }

  .site-nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 4rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 0.4rem 1.25rem 1rem;
  }

  .site-nav.open {
    display: flex;
  }

  .site-nav a,
  .site-nav .login-btn {
    width: 100%;
    padding: 0.7rem 0;
    text-align: left;
  }

  .login-btn {
    width: auto;
    margin-top: 0.3rem;
  }

  .hero {
    padding: 2.6rem 0 2.4rem;
  }

  .facts-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .harm-grid,
  .report-grid,
  .glossary {
    grid-template-columns: 1fr;
  }

  .photo-gallery {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 9.5rem;
  }

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

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

@media print {
  .site-header,
  .to-top,
  .auth-modal,
  .hero-actions,
  .photo-band {
    display: none !important;
  }

  body {
    background: #fff;
    color: #000;
    font-size: 11pt;
  }

  .block {
    padding: 1rem 0;
    border: 0;
  }

  a {
    color: #000;
    text-decoration: underline;
  }
}