:root {
  --ink: #173023;
  --ink-soft: #526158;
  --paper: #f8f2e7;
  --paper-deep: #ede3d3;
  --agave: #0d3522;
  --agave-mid: #174b31;
  --agave-bright: #397449;
  --amber: #bf531e;
  --white: #fffdf8;
  --line: #d9cfbf;
  --shadow: 0 24px 60px rgba(32, 47, 35, 0.20);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
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;
}

a { color: inherit; }
img { display: block; max-width: 100%; }
.shell { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 100; padding: 12px 18px; background: var(--white); }
.skip-link:focus { top: 16px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(13, 53, 34, 0.96);
  color: var(--white);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(14px);
}
.nav { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; }
.brand-mark { width: 36px; height: 36px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.55); border-radius: 50%; font: 700 1rem Georgia, "Times New Roman", serif; }
.brand-copy strong { display: block; font: 700 1.1rem Georgia, "Times New Roman", serif; letter-spacing: .03em; }
.brand-copy small { display: block; max-width: 215px; color: rgba(255,255,255,.67); font-size: .68rem; line-height: 1.15; }
.nav-links { display: flex; align-items: center; gap: 24px; }
.nav-links a { color: rgba(255,255,255,.86); font-size: 0.86rem; font-weight: 650; text-decoration: none; }
.nav-links a:hover, .nav-links a:focus-visible { color: #fff; }
.nav-links a:first-child { padding-bottom: .4rem; border-bottom: 2px solid var(--amber); }
.header-name { padding: .4rem .72rem; border-radius: 999px; background: var(--white); color: var(--agave) !important; font-size: .72rem !important; font-weight: 850 !important; }
.menu-button { display: none; border: 1px solid rgba(255,255,255,.45); background: transparent; color: #fff; border-radius: 999px; padding: 9px 14px; font: inherit; font-weight: 700; }

.hero { padding: 64px 0 56px; background: linear-gradient(115deg, rgba(255,250,241,.98), rgba(240,228,210,.88)); border-bottom: 1px solid var(--line); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(380px, 0.92fr); gap: clamp(36px, 5vw, 72px); align-items: center; }
.eyebrow { margin: 0 0 18px; color: var(--agave); font-size: 0.76rem; font-weight: 850; letter-spacing: 0.16em; text-transform: uppercase; }
h1, h2, h3 { font-family: Georgia, "Times New Roman", serif; letter-spacing: -0.035em; line-height: 1.08; }
h1 { max-width: 770px; margin: 0; font-size: clamp(3rem, 6.3vw, 5.8rem); font-weight: 500; line-height: .94; }
h1 em { color: var(--agave); font-style: italic; }
.hero-copy { max-width: 650px; margin: 28px 0 0; color: var(--ink-soft); font-size: clamp(1.08rem, 1.7vw, 1.28rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 20px; border-radius: 7px; background: var(--agave-bright); color: var(--white); font-weight: 750; text-decoration: none; }
.button:hover, .button:focus-visible { background: var(--agave); }
.button.secondary { background: transparent; border: 1px solid var(--line); color: var(--ink); }
.button.secondary:hover, .button.secondary:focus-visible { border-color: var(--agave); color: var(--agave); }
.site-header .button.secondary { border-color: rgba(255,255,255,.48); color: var(--white); }
.site-header .button.secondary:hover, .site-header .button.secondary:focus-visible { border-color: var(--white); color: var(--white); background: rgba(255,255,255,.08); }
.hero-visual { position: relative; }
.hero-visual::before { content: ""; position: absolute; inset: 12px -12px -12px 12px; border: 1px solid #8e806d; border-radius: 18px; }
.hero-visual img { position: relative; width: 100%; aspect-ratio: 8 / 7; object-fit: cover; border-radius: 18px; box-shadow: var(--shadow); filter: saturate(0.85) contrast(1.04); }
.image-note { position: absolute; left: -20px; bottom: 24px; z-index: 2; max-width: 230px; margin: 0; padding: 14px 17px; border-left: 4px solid var(--amber); background: var(--white); box-shadow: 0 12px 34px rgba(13, 27, 20, 0.18); color: var(--ink-soft); font-size: 0.82rem; line-height: 1.45; }
.image-note strong { display: block; color: var(--ink); font-size: 0.92rem; }

.principles { padding: 28px 0 72px; }
.principle-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.principle { padding: 24px 28px; }
.principle + .principle { border-left: 1px solid var(--line); }
.principle span { display: block; margin-bottom: 6px; color: var(--amber); font-weight: 850; font-size: 0.72rem; letter-spacing: 0.12em; }
.principle strong { font-family: Georgia, "Times New Roman", serif; font-size: 1.2rem; }

.section { padding: 94px 0; }
.section.dark { background: var(--agave); color: var(--white); }
.section.deep { background: var(--paper-deep); }
.section-head { display: grid; grid-template-columns: 0.75fr 1.25fr; gap: 70px; align-items: start; margin-bottom: 52px; }
.section h2 { margin: 0; font-size: clamp(2.35rem, 4.6vw, 4.5rem); font-weight: 500; }
.section-lead { max-width: 690px; margin: 4px 0 0; color: var(--ink-soft); font-size: 1.12rem; }
.dark .section-lead { color: rgba(255, 253, 248, 0.72); }

.definition-card { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 60px; padding: clamp(30px, 5vw, 58px); background: var(--white); border: 1px solid var(--line); border-radius: 9px; }
.definition-card h3 { margin: 0 0 20px; font-size: clamp(1.8rem, 3vw, 2.7rem); font-weight: 500; }
.definition-card p { color: var(--ink-soft); }
.boundary { align-self: stretch; padding: 28px; background: var(--paper); border-left: 4px solid var(--amber); }
.boundary strong { display: block; margin-bottom: 8px; }
.boundary strong:not(:first-child) { margin-top: 24px; }
.boundary p { margin: 0; }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.step { min-height: 300px; padding: 26px; border: 1px solid rgba(255,255,255,0.18); display: flex; flex-direction: column; }
.step-number { color: var(--agave-bright); font-weight: 800; letter-spacing: 0.12em; }
.step h3 { margin: auto 0 14px; font-size: 1.6rem; font-weight: 500; }
.step p { margin: 0; color: rgba(255, 253, 248, 0.68); font-size: 0.94rem; }

.audiences { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.audience { padding: 30px; background: rgba(255, 253, 248, 0.56); border-top: 3px solid var(--agave); }
.audience h3 { margin: 0 0 14px; font-size: 1.55rem; font-weight: 500; }
.audience p { margin: 0; color: var(--ink-soft); }

.research { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: start; }
.research h2 { max-width: 620px; }
.research-copy p { color: var(--ink-soft); }
.research-meta { margin-top: 30px; padding-top: 22px; border-top: 1px solid var(--line); }
.research-meta strong { display: block; color: var(--agave); }
.social-links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.social-links a { display: inline-flex; align-items: center; min-height: 40px; padding: 8px 13px; border: 1px solid var(--line); border-radius: 7px; color: var(--agave); font-size: .86rem; font-weight: 750; text-decoration: none; }
.social-links a:hover, .social-links a:focus-visible { border-color: var(--agave); background: var(--white); }

.contact-band { padding: 70px 0; background: #f3eadc; color: var(--ink); border-top: 1px solid var(--line); }
.contact-grid { display: grid; grid-template-columns: 1.3fr 0.7fr; gap: 50px; align-items: end; }
.contact-band h2 { max-width: 760px; margin: 0; font-size: clamp(2.1rem, 4.4vw, 4rem); font-weight: 500; }
.contact-info { padding-left: 24px; border-left: 1px solid rgba(20, 32, 25, 0.32); }
.contact-info p { margin: 0; }
.contact-info strong { display: block; font-size: 1.05rem; }

.site-footer { padding: 30px 0; background: var(--agave); color: rgba(255,255,255,0.72); }
.footer-grid { display: flex; justify-content: space-between; gap: 24px; align-items: center; }
.footer-grid p { margin: 0; font-size: 0.88rem; }
.footer-links { display: flex; gap: 20px; }
.footer-links a { font-size: 0.86rem; }

.legal-page { min-height: calc(100vh - 150px); padding: 72px 0 100px; }
.legal-wrap { max-width: 820px; }
.legal-page h1 { max-width: 750px; font-size: clamp(2.8rem, 6vw, 5rem); }
.legal-intro { margin: 28px 0 46px; padding: 24px; border-left: 4px solid var(--amber); background: var(--white); }
.legal-page h2 { margin: 42px 0 12px; font-size: 1.7rem; }
.legal-page p, .legal-page li { color: var(--ink-soft); }
.legal-page a { color: var(--agave); }

@media (max-width: 900px) {
  .menu-button { display: inline-flex; }
  .nav-links { display: none; position: absolute; inset: 76px 0 auto; padding: 22px 20px 28px; background: var(--agave); border-bottom: 1px solid rgba(255,255,255,.15); flex-direction: column; align-items: flex-start; }
  .nav-links.open { display: flex; }
  .hero-grid, .section-head, .definition-card, .research, .contact-grid { grid-template-columns: 1fr; }
  .hero-grid { gap: 54px; }
  .hero-visual { max-width: 620px; margin-left: auto; }
  .hero-visual img { aspect-ratio: 8 / 6; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .section-head { gap: 22px; }
}

@media (max-width: 640px) {
  .shell { width: min(100% - 28px, 1180px); }
  .hero { padding-top: 40px; }
  h1 { font-size: clamp(2.65rem, 15vw, 4rem); }
  .brand-copy small { display: none; }
  .hero-visual::before { inset: 10px -6px -8px 10px; }
  .image-note { left: -6px; bottom: 18px; }
  .principle-grid, .steps, .audiences { grid-template-columns: 1fr; }
  .principle + .principle { border-left: 0; border-top: 1px solid var(--line); }
  .step { min-height: 230px; }
  .section { padding: 72px 0; }
  .footer-grid { align-items: flex-start; flex-direction: column; }
}

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