:root {
  --ink: #14231c;
  --ink-soft: #54635b;
  --forest: #173126;
  --forest-deep: #0e2018;
  --sage: #83936e;
  --sage-pale: #dfe5d7;
  --paper: #f7f7f2;
  --white: #ffffff;
  --line: rgba(20, 35, 28, 0.12);
  --shadow-sm: 0 14px 34px rgba(18, 35, 27, 0.08);
  --shadow-lg: 0 34px 80px rgba(18, 35, 27, 0.14);
  --radius: 24px;
  --radius-sm: 16px;
  --max: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font: inherit; }
.skip-link { position: absolute; left: -9999px; top: 0; z-index: 100; background: var(--white); padding: 12px 16px; }
.skip-link:focus { left: 12px; top: 12px; }

.header-shell,
.hero-shell,
.intro-shell,
.section-shell,
.footer-shell {
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(247, 247, 242, 0.88);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(20, 35, 28, 0.08);
}
.header-shell {
  min-height: 86px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.brand { display: inline-flex; align-items: center; gap: 13px; }
.brand-mark { width: 46px; height: 46px; color: var(--sage); flex: 0 0 auto; }
.brand-type { display: grid; line-height: 0.92; letter-spacing: -0.035em; font-size: 1.44rem; }
.brand-type strong { font-weight: 720; }
.brand-type span { color: var(--ink-soft); font-weight: 510; }
.site-nav { display: flex; align-items: center; gap: 27px; }
.site-nav > a:not(.nav-button) { color: var(--ink-soft); font-size: 0.94rem; font-weight: 530; }
.site-nav > a:not(.nav-button):hover,
.site-nav > a:not(.nav-button):focus-visible { color: var(--ink); }
.nav-button,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 21px;
  border-radius: 999px;
  font-weight: 650;
  border: 1px solid transparent;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease, border-color 180ms ease;
}
.nav-button,
.button-primary { background: var(--forest); color: var(--white); box-shadow: var(--shadow-sm); }
.nav-button:hover,
.button-primary:hover { transform: translateY(-2px); background: var(--forest-deep); }
.button-quiet { border-color: var(--line); background: rgba(255,255,255,0.5); color: var(--ink); }
.button-quiet:hover { background: var(--white); transform: translateY(-2px); }
.button-light { border-color: rgba(255,255,255,0.24); color: var(--white); background: rgba(255,255,255,0.08); }
.button-light:hover { background: rgba(255,255,255,0.14); transform: translateY(-2px); }
.menu-button { display: none; border: 0; background: transparent; padding: 8px; }
.menu-button span { display: block; width: 25px; height: 2px; background: var(--ink); margin: 6px 0; }

.hero {
  position: relative;
  overflow: hidden;
  padding: 76px 0 82px;
  background:
    radial-gradient(circle at 14% 28%, rgba(131,147,110,0.14), transparent 30%),
    radial-gradient(circle at 84% 18%, rgba(198,208,188,0.24), transparent 34%),
    linear-gradient(180deg, #fbfbf8 0%, #f1f4ed 100%);
}
.hero::before,
.hero::after {
  content: "";
  position: absolute;
  border: 1px solid rgba(131,147,110,0.14);
  border-radius: 50%;
  pointer-events: none;
}
.hero::before { width: 390px; height: 390px; left: -210px; bottom: -170px; }
.hero::after { width: 520px; height: 520px; right: -260px; top: -250px; }
.hero-glow { position: absolute; border-radius: 999px; filter: blur(80px); pointer-events: none; }
.hero-glow-one { width: 260px; height: 260px; background: rgba(223,229,215,0.5); left: 5%; bottom: -150px; }
.hero-glow-two { width: 320px; height: 320px; background: rgba(185,197,173,0.25); right: 7%; top: 4%; }
.hero-shell {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(460px, 1.08fr);
  gap: 70px;
  align-items: center;
}
.eyebrow { margin: 0 0 17px; color: var(--sage); font-size: 0.78rem; letter-spacing: 0.19em; font-weight: 760; }
.eyebrow-light { color: rgba(255,255,255,0.68); }
.hero h1,
.section-heading h2,
.approach-copy h2,
.contact-panel h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  letter-spacing: -0.045em;
}
.hero h1 { margin: 0; font-size: clamp(3.5rem, 5.6vw, 6rem); line-height: 0.94; max-width: 720px; }
.hero h1 em { color: var(--sage); font-weight: 400; }
.hero-lead { max-width: 560px; margin: 26px 0 0; font-size: 1.13rem; line-height: 1.68; color: var(--ink-soft); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 31px; }
.hero-categories {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 38px;
}
.hero-categories span {
  padding: 9px 13px;
  border: 1px solid rgba(20,35,28,0.12);
  border-radius: 999px;
  background: rgba(255,255,255,0.55);
  color: var(--ink-soft);
  font-size: 0.82rem;
  font-weight: 620;
}
.hero-product {
  margin: 0;
  position: relative;
  overflow: hidden;
  border-radius: 34px;
  background: var(--white);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(20,35,28,0.08);
}
.hero-product img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  object-position: center;
}

.intro-strip { background: var(--white); border-block: 1px solid rgba(20,35,28,0.08); }
.intro-shell { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.intro-shell article { display: grid; grid-template-columns: auto 1fr; gap: 15px; padding: 27px 28px; align-items: start; }
.intro-shell article + article { border-left: 1px solid var(--line); }
.icon-ring { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 999px; border: 1px solid rgba(131,147,110,0.48); color: var(--sage); font-size: 0.72rem; font-weight: 760; }
.intro-shell strong { display: block; margin-bottom: 4px; }
.intro-shell p { margin: 0; color: var(--ink-soft); font-size: 0.92rem; }

.section-shell { padding: 92px 0; }
.section-heading { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 60px; align-items: end; }
.section-heading h2,
.approach-copy h2,
.contact-panel h2 { margin: 0; font-size: clamp(2.65rem, 4.4vw, 4.35rem); line-height: 1.02; }
.section-heading > p,
.approach-copy > p,
.contact-panel p { margin: 0; color: var(--ink-soft); font-size: 1.03rem; line-height: 1.72; }

.index-section { background: var(--paper); }
.index-heading { margin-bottom: 31px; }
.filter-bar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 30px; }
.filter-button { display: inline-flex; align-items: center; gap: 9px; padding: 11px 16px; border: 1px solid var(--line); background: rgba(255,255,255,0.58); color: var(--ink-soft); border-radius: 999px; cursor: pointer; transition: 160ms ease; }
.filter-button span { display: grid; place-items: center; min-width: 23px; height: 23px; padding: 0 5px; border-radius: 999px; background: rgba(20,35,28,0.07); font-size: 0.72rem; font-weight: 720; }
.filter-button:hover,
.filter-button.is-active { color: var(--white); background: var(--forest); border-color: var(--forest); }
.filter-button.is-active span,
.filter-button:hover span { background: rgba(255,255,255,0.15); }
.compound-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.compound-card { overflow: hidden; background: var(--white); border: 1px solid rgba(20,35,28,0.1); border-radius: 26px; cursor: pointer; box-shadow: 0 5px 20px rgba(18,35,27,0.035); transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease; }
.compound-card:hover,
.compound-card:focus-visible { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(131,147,110,0.42); outline: none; }
.card-media { aspect-ratio: 1 / 0.88; overflow: hidden; background: #eef0e7; }
.card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 420ms ease; }
.compound-card:hover .card-media img { transform: scale(1.025); }
.card-content { min-height: 238px; display: flex; flex-direction: column; padding: 22px 23px 21px; }
.card-meta { display: flex; align-items: center; justify-content: space-between; gap: 13px; margin-bottom: 16px; color: var(--sage); font-size: 0.72rem; font-weight: 720; letter-spacing: 0.09em; text-transform: uppercase; }
.card-meta span:last-child { color: var(--ink-soft); text-align: right; }
.card-content h3 { margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: 2rem; font-weight: 400; letter-spacing: -0.035em; }
.card-content p { margin: 12px 0 19px; color: var(--ink-soft); line-height: 1.62; }
.card-link { display: flex; justify-content: space-between; align-items: center; margin-top: auto; padding-top: 17px; border-top: 1px solid var(--line); font-size: 0.86rem; font-weight: 720; letter-spacing: 0.05em; text-transform: uppercase; }
.card-link b { color: var(--sage); font-size: 1.03rem; }
.is-hidden { display: none !important; }

.approach-section { color: var(--white); background: linear-gradient(135deg, #10241b, #21392d); }
.approach-layout { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 70px; align-items: start; }
.approach-copy > p { color: rgba(255,255,255,0.68); margin: 24px 0 28px; max-width: 600px; }
.approach-cards { display: grid; gap: 14px; }
.approach-cards article { display: grid; grid-template-columns: 58px 0.45fr 1fr; gap: 18px; align-items: center; padding: 22px 24px; border-radius: 20px; border: 1px solid rgba(255,255,255,0.12); background: rgba(255,255,255,0.055); }
.approach-cards span { color: rgba(255,255,255,0.45); font-size: 0.78rem; font-weight: 750; letter-spacing: 0.12em; }
.approach-cards h3 { margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: 1.45rem; font-weight: 400; }
.approach-cards p { margin: 0; color: rgba(255,255,255,0.65); }

.evidence-section { background: #f3f5ef; }
.evidence-heading { margin-bottom: 36px; }
.evidence-track { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; border: 1px solid var(--line); border-radius: 24px; overflow: hidden; background: var(--line); }
.evidence-track article { min-height: 245px; padding: 28px; background: var(--white); }
.evidence-track span { display: grid; place-items: center; width: 45px; height: 45px; border-radius: 999px; background: var(--sage-pale); color: var(--forest); font-size: 0.75rem; font-weight: 760; }
.evidence-track h3 { margin: 52px 0 10px; font-family: Georgia, "Times New Roman", serif; font-size: 1.68rem; font-weight: 400; }
.evidence-track p { margin: 0; color: var(--ink-soft); }

.sources-section { background: #eef1e9; }
.source-heading { margin-bottom: 28px; }
.source-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.source-cards a { min-height: 205px; display: flex; flex-direction: column; padding: 25px; border-radius: 22px; background: rgba(255,255,255,0.76); border: 1px solid rgba(20,35,28,0.09); transition: transform 180ms ease, background 180ms ease; }
.source-cards a:hover { transform: translateY(-4px); background: var(--white); }
.source-cards span { color: var(--sage); font-size: 0.75rem; letter-spacing: 0.12em; text-transform: uppercase; font-weight: 740; }
.source-cards strong { margin: 15px 0; font-family: Georgia, "Times New Roman", serif; font-size: 1.55rem; font-weight: 400; line-height: 1.15; }
.source-cards em { margin-top: auto; color: var(--ink-soft); font-style: normal; font-size: 0.9rem; }

.contact-section { background: var(--paper); padding: 0 0 70px; }
.contact-panel { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 60px; align-items: end; padding: 52px 56px; border-radius: 30px; color: var(--white); background: linear-gradient(135deg, #1b3428, #0f231a); box-shadow: var(--shadow-lg); }
.contact-panel p { color: rgba(255,255,255,0.65); margin-bottom: 18px; }
.contact-panel a { color: var(--white); font-size: 1.16rem; font-weight: 700; }
.contact-panel a span { color: var(--sage-pale); }

.site-footer { padding: 38px 0 42px; background: #0c1b14; color: rgba(255,255,255,0.75); }
.footer-shell { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 30px; }
.footer-brand .brand-mark { color: var(--sage-pale); }
.footer-brand .brand-type strong,
.footer-brand .brand-type span { color: var(--white); }
.footer-shell > p { margin: 0; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 18px; justify-content: flex-end; }
.footer-nav a:hover { color: var(--white); }
.footer-shell small { grid-column: 1 / -1; padding-top: 22px; border-top: 1px solid rgba(255,255,255,0.11); color: rgba(255,255,255,0.48); }

.profile-modal { width: min(1040px, calc(100% - 28px)); padding: 0; border: 0; border-radius: 28px; overflow: hidden; box-shadow: 0 40px 100px rgba(0,0,0,0.38); }
.profile-modal::backdrop { background: rgba(7,15,11,0.68); backdrop-filter: blur(6px); }
.modal-layout { display: grid; grid-template-columns: 0.92fr 1.08fr; background: var(--white); }
.modal-media { min-height: 650px; background: #eef0e7; overflow: hidden; }
.modal-media img { width: 100%; height: 100%; object-fit: cover; }
.modal-content { padding: 48px 44px 40px; }
.modal-content h2 { margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: 3.35rem; line-height: 1; font-weight: 400; letter-spacing: -0.045em; }
.modal-intro { margin: 21px 0 25px; color: var(--ink-soft); font-size: 1.04rem; line-height: 1.68; }
.modal-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.modal-facts div { min-height: 90px; padding: 14px 15px; border-radius: 15px; background: #f1f3ed; }
.modal-facts strong { display: block; margin-bottom: 6px; color: var(--sage); font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase; }
.modal-facts span { font-size: 0.91rem; color: var(--ink); }
.modal-note { margin-top: 22px; padding: 18px 19px; border-left: 3px solid var(--sage); background: #f7f8f4; color: var(--ink-soft); }
.modal-note strong { color: var(--ink); }
.modal-note p { margin: 7px 0 0; }
.modal-sources { display: grid; gap: 8px; margin-top: 20px; }
.modal-sources a { display: flex; justify-content: space-between; padding: 12px 14px; border-radius: 13px; border: 1px solid var(--line); font-size: 0.88rem; }
.modal-sources a::after { content: "↗"; color: var(--sage); }
.modal-close { position: absolute; z-index: 5; right: 16px; top: 16px; width: 42px; height: 42px; display: grid; place-items: center; border: 0; border-radius: 999px; background: rgba(20,35,28,0.1); color: var(--ink); font-size: 1.65rem; cursor: pointer; }

@media (max-width: 1080px) {
  .hero-shell { grid-template-columns: 1fr; }
  .hero-copy { max-width: 780px; }
  .hero-product { max-width: 720px; width: 100%; margin: 8px auto 0; }
  .compound-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .approach-layout { grid-template-columns: 1fr; }
  .evidence-track { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .section-heading,
  .contact-panel { grid-template-columns: 1fr; }
  .source-cards { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 820px) {
  .header-shell { min-height: 76px; }
  .menu-button { display: block; }
  .site-nav { position: absolute; top: 76px; right: 20px; width: min(300px, calc(100% - 40px)); padding: 18px; display: none; flex-direction: column; align-items: stretch; gap: 4px; border-radius: 20px; background: rgba(247,247,242,0.98); box-shadow: var(--shadow-lg); border: 1px solid var(--line); }
  .site-nav.is-open { display: flex; }
  .site-nav > a { padding: 11px 12px; }
  .intro-shell { grid-template-columns: 1fr; }
  .intro-shell article + article { border-left: 0; border-top: 1px solid var(--line); }
  .section-shell { padding: 72px 0; }
  .section-heading { gap: 22px; }
  .source-cards { grid-template-columns: 1fr; }
  .footer-shell { grid-template-columns: 1fr; }
  .footer-nav { justify-content: flex-start; }
  .modal-layout { grid-template-columns: 1fr; max-height: 90vh; overflow-y: auto; }
  .modal-media { min-height: 420px; }
}

@media (max-width: 620px) {
  .header-shell,
  .hero-shell,
  .intro-shell,
  .section-shell,
  .footer-shell { width: min(calc(100% - 24px), var(--max)); }
  .brand-type { font-size: 1.18rem; }
  .brand-mark { width: 40px; height: 40px; }
  .hero { padding: 52px 0 60px; }
  .hero h1 { font-size: clamp(3rem, 14vw, 4.2rem); }
  .hero-lead { font-size: 1rem; }
  .compound-grid { grid-template-columns: 1fr; }
  .card-content { min-height: auto; }
  .approach-cards article { grid-template-columns: 44px 1fr; }
  .approach-cards p { grid-column: 2; }
  .evidence-track { grid-template-columns: 1fr; }
  .contact-panel { padding: 36px 27px; }
  .modal-content { padding: 36px 23px 28px; }
  .modal-content h2 { font-size: 2.55rem; }
  .modal-facts { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}