/* Sutura Works: tokens from the website build spec */
:root {
  --forest: #0F1E1A;      /* page background */
  --panel: #13251F;       /* raised panels, How we work band */
  --line: #2A3D37;        /* hairlines on dark */
  --line-strong: #3E5A51; /* dividers, secondary text on light */
  --sage: #7CA67F;        /* eyebrows, numbers, principles band */
  --sage-deep: #608F6F;   /* sage on light grounds */
  --pale: #D3DECF;        /* primary button, contact card */
  --ink: #12241F;         /* text on light and sage */
  --logo-ink: #152B30;    /* the dark mark */
  --mist: #EEF2EC;        /* headings on dark */
  --muted: #A3B3A9;       /* body text on dark */

  --font-head: Verdana, Geneva, sans-serif;
  --font-body: Georgia, "Times New Roman", serif;

  --gutter: 20px;
  --content: 1200px;
}
@media (min-width: 760px) { :root { --gutter: 48px; } }
@media (min-width: 1280px) { :root { --gutter: 120px; } }

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body {
  margin: 0;
  background: var(--forest);
  color: var(--muted);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.55;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--font-head); font-weight: 700; color: var(--mist); margin: 0; }
p { margin: 0 0 1em; }
:focus-visible { outline: 2px solid var(--sage); outline-offset: 3px; }
.wrap { max-width: calc(var(--content) + 2 * var(--gutter)); margin: 0 auto; padding: 0 var(--gutter); }

.eyebrow, .label {
  font-family: var(--font-head);
  font-size: 13px;
  line-height: 1.4;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--sage);
  margin-bottom: 20px;
}
h1 { font-size: clamp(44px, 6.2vw, 88px); line-height: 1.05; letter-spacing: -.01em; }
h2 { font-size: clamp(34px, 4.5vw, 64px); line-height: 1.1; letter-spacing: -.01em; max-width: 24ch; }
.h2-sm { font-size: clamp(30px, 3.4vw, 46px); }
h3 { font-size: clamp(22px, 2vw, 30px); line-height: 1.2; }
.lead { font-size: clamp(18px, 1.5vw, 21px); line-height: 1.5; margin-top: 28px; }
.narrow { max-width: 640px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 64px; padding: 0 30px;
  font-family: var(--font-head); font-size: 15px; font-weight: 700;
  text-decoration: none; border: 0; border-radius: 0; cursor: pointer;
  transition: background-color .15s ease, border-color .15s ease;
}
.btn-primary { background: var(--pale); color: var(--ink); }
.btn-primary:hover { background: var(--mist); }
.btn-secondary { background: var(--forest); color: var(--mist); border: 2px solid var(--line); font-weight: 400; }
.btn-secondary:hover { border-color: var(--sage); }
.btn-ink { background: var(--ink); color: var(--mist); }
.btn-ink:hover { background: var(--logo-ink); }
.text-link { font-family: var(--font-head); font-size: 15px; color: var(--mist); text-decoration: none; border-bottom: 1px solid var(--sage); padding-bottom: 3px; }
.text-link::after { content: " \2192"; }
.text-link.ink { color: var(--ink); border-color: var(--ink); }

/* Header */
.site-head { border-bottom: 1px solid var(--line); background: var(--forest); position: sticky; top: 0; z-index: 20; }
.head-row { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 96px; }
.brand { display: flex; align-items: center; gap: 14px; text-decoration: none; font-family: var(--font-head); font-weight: 700; font-size: 15px; color: var(--mist); letter-spacing: .02em; }
.brand-mark { width: 42px; height: auto; }
.nav { display: flex; gap: 32px; font-family: var(--font-head); font-size: 15px; }
.nav a { color: var(--muted); text-decoration: none; }
.nav a:hover { color: var(--mist); }
@media (max-width: 899px) {
  .head-row { min-height: 72px; }
  .brand-mark { width: 32px; }
  .brand span { font-size: 13px; }
  .nav { gap: 18px; }
  .nav a:not(.keep) { display: none; }
}
@media (max-width: 420px) { .brand span { display: none; } }

/* Hero */
.hero { border-bottom: 1px solid var(--line); padding: 64px 0 72px; }
.hero-grid { display: grid; gap: 56px; align-items: center; }
@media (min-width: 1080px) { .hero-grid { grid-template-columns: minmax(0, 700px) 460px; justify-content: space-between; } .hero { padding: 96px 0 112px; } }
.hero .lead { max-width: 600px; }
.actions { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 40px; }
.hero-panel { position: relative; background: var(--panel); border: 2px solid var(--line); width: 100%; max-width: 460px; aspect-ratio: 460 / 660; overflow: hidden; justify-self: center; }
@media (max-width: 1079px) { .hero-panel { max-width: 360px; aspect-ratio: 1 / 1.1; } }
.diamond { position: absolute; width: 65%; aspect-ratio: 1; border: 2px solid var(--line-strong); transform: translate(-50%, -50%) rotate(45deg); }
.d1 { left: 44%; top: 44%; }
.d2 { left: 58%; top: 56%; }
.panel-mark { position: absolute; left: 50%; top: 50%; width: 33%; aspect-ratio: 572 / 720; transform: translate(-50%, -50%); }
.panel-mark .part { position: absolute; inset: 0; width: 100%; height: 100%; }

/* Hero mark: the diamonds settle, then the W, the S and the chevron rise into place */
@keyframes rise { from { opacity: 0; transform: translateY(60%); } to { opacity: 1; transform: none; } }
@keyframes settle { from { opacity: 0; } to { opacity: 1; } }
.diamond { animation: settle .9s ease-out both; }
.d2 { animation-delay: .15s; }
.part { animation: rise .9s cubic-bezier(.2, .7, .2, 1) both; }
.part-w { animation-delay: .35s; }
.part-s { animation-delay: .65s; }
.part-chevron { animation-delay: 1.05s; animation-duration: .8s; }
@media (prefers-reduced-motion: reduce) { .diamond, .part { animation: none; } }
.panel-caption { position: absolute; left: 28px; bottom: 16px; margin: 0; }

/* Sections */
.section { padding: 88px 0; border-bottom: 1px solid var(--line); }
@media (min-width: 1080px) { .section { padding: 128px 0; } }
.band-panel { background: var(--panel); }

/* What we do */
.services { display: grid; gap: 40px 32px; margin-top: 72px; }
@media (min-width: 640px) { .services { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1080px) { .services { grid-template-columns: repeat(4, 1fr); } }
.service { border-top: 1px solid var(--line-strong); padding-top: 24px; }
.service .label { margin-bottom: 16px; }
.service h3 { font-size: clamp(22px, 1.9vw, 28px); margin-bottom: 18px; }
.service p:last-child { margin: 0; }
.service-extra { margin-top: 56px; padding-top: 24px; border-top: 1px solid var(--line); display: grid; gap: 8px; }
@media (min-width: 860px) { .service-extra { grid-template-columns: 280px 1fr; gap: 32px; } }
.service-extra p:last-child { margin: 0; max-width: 70ch; }

/* How we work */
.steps { list-style: none; margin: 72px 0 0; padding: 0; display: grid; gap: 48px; }
@media (min-width: 900px) { .steps { grid-template-columns: repeat(3, 1fr); gap: 40px; } }
.step { position: relative; }
.step-diamond { display: grid; place-items: center; width: 140px; height: 140px; margin-bottom: 28px; position: relative; }
.step-diamond::before { content: ""; position: absolute; inset: 21px; border: 2px solid var(--sage); background: var(--panel); transform: rotate(45deg); }
.step-diamond span { position: relative; font-family: var(--font-head); font-weight: 700; font-size: 26px; color: var(--sage); }
@media (min-width: 900px) {
  .step:not(:last-child)::after { content: ""; position: absolute; top: 70px; left: 160px; right: 0; border-top: 1px solid var(--line-strong); }
}
.step h3 { margin-bottom: 14px; }
.step p { margin: 0; max-width: 34ch; }

/* Principles */
.band-sage { background: var(--sage); color: var(--ink); border-bottom: 0; }
.band-sage .eyebrow, .band-sage h2, .band-sage h3 { color: var(--ink); }
.principles { margin-top: 64px; }
.principle { display: grid; gap: 10px; padding: 32px 0; border-top: 1px solid var(--ink); }
@media (min-width: 900px) { .principle { grid-template-columns: 120px 1fr 1fr; gap: 32px; align-items: baseline; } }
.p-num { font-family: var(--font-head); font-size: 14px; }
.principle h3 { font-size: clamp(22px, 2vw, 28px); }
.principle p { margin: 0; font-size: 19px; }

/* About */
.about-grid { display: grid; gap: 56px; }
@media (min-width: 1000px) { .about-grid { grid-template-columns: 1.15fr 1fr; gap: 96px; } }
.about-grid h2 { margin-bottom: 32px; }
.prose p { max-width: 60ch; }
.outcomes, .sectors { list-style: none; margin: 0 0 40px; padding: 0; }
.outcomes li { padding: 14px 0 14px 30px; border-top: 1px solid var(--line); position: relative; color: var(--mist); }
.outcomes li::before { content: ""; position: absolute; left: 4px; top: 22px; width: 9px; height: 9px; border: 2px solid var(--sage); transform: rotate(45deg); }
.sectors { display: flex; flex-wrap: wrap; gap: 10px; }
.sectors li { font-family: var(--font-head); font-size: 14px; color: var(--mist); border: 1px solid var(--line-strong); padding: 8px 16px; }

/* Guide cards */
.head-split { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; flex-wrap: wrap; margin-bottom: 56px; }
.guide-grid { list-style: none; margin: 0; padding: 0; display: grid; gap: 24px; }
@media (min-width: 760px) { .guide-grid { grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); } }
.guide-card a { display: flex; flex-direction: column; height: 100%; padding: 32px; background: var(--forest); border: 2px solid var(--line); text-decoration: none; transition: border-color .15s ease; }
.guide-card a:hover { border-color: var(--sage); }
.guide-card .label { margin-bottom: 16px; }
.guide-card h3 { font-size: 24px; margin-bottom: 14px; }
.guide-card p { margin-bottom: 24px; }
.guide-card .card-foot { margin: auto 0 0; padding-top: 16px; border-top: 1px solid var(--line); font-family: var(--font-head); font-size: 13px; }
.guide-grid .empty { color: var(--muted); }

/* Contact */
.contact-card { background: var(--pale); color: var(--ink); padding: 40px 24px; }
@media (min-width: 760px) { .contact-card { padding: 80px; } }
.contact-card .eyebrow, .contact-card .lead { color: var(--line-strong); }
.contact-card h2 { color: var(--ink); }
.contact-card .lead { max-width: 640px; }
.form { display: grid; gap: 36px 40px; margin-top: 56px; }
@media (min-width: 760px) { .form { grid-template-columns: 1fr 1fr; } }
.form .full { grid-column: 1 / -1; }
.form label { display: grid; gap: 10px; font-family: var(--font-head); font-size: 14px; color: var(--ink); }
.form input, .form textarea {
  font: inherit; font-family: var(--font-body); font-size: 17px; color: var(--ink);
  background: transparent; border: 0; border-bottom: 2px solid var(--ink); border-radius: 0;
  padding: 10px 2px; width: 100%;
}
.form textarea { border: 2px solid var(--ink); min-height: 220px; padding: 14px; resize: vertical; }
.form input:focus, .form textarea:focus { outline: 2px solid var(--sage-deep); outline-offset: 2px; }
.form-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 28px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }

/* Footer */
.site-foot { position: relative; overflow: hidden; border-top: 1px solid var(--line); padding: 56px 0 64px; }
.foot-row { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 32px; position: relative; z-index: 1; }
.foot-brand { display: flex; align-items: center; gap: 18px; }
.foot-brand img { width: 56px; }
.foot-name { font-family: var(--font-head); font-weight: 700; font-size: 15px; color: var(--mist); margin: 0 0 6px; }
.foot-tag { font-family: var(--font-body); font-style: italic; font-size: 15px; color: var(--sage); margin: 0 0 6px; }
.foot-meta { font-family: var(--font-head); font-size: 14px; margin: 0; }
.foot-links { display: flex; flex-wrap: wrap; gap: 28px; font-family: var(--font-head); font-size: 15px; }
.foot-links a { text-decoration: none; }
.foot-links a:hover { color: var(--mist); }
.foot-ghost { position: absolute; right: -60px; bottom: -120px; width: 340px; opacity: .06; pointer-events: none; }

/* Guide pages */
.guide-hero { border-bottom: 1px solid var(--line); padding: 56px 0 64px; }
@media (min-width: 1080px) { .guide-hero { padding: 88px 0 88px; } }
.guide-hero .hero-grid { align-items: end; }
@media (min-width: 1080px) { .guide-hero .hero-grid { grid-template-columns: minmax(0, 1fr) 400px; gap: 72px; } }
.crumb a { color: inherit; }
.guide-title { font-size: clamp(34px, 4.6vw, 60px); line-height: 1.08; }
.control-box { background: var(--panel); border: 2px solid var(--line); font-family: var(--font-head); font-size: 14px; }
.cb-head { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px; border-bottom: 1px solid var(--line); color: var(--sage); text-transform: uppercase; letter-spacing: .12em; font-size: 12px; }
.stamp { background: var(--pale); color: var(--ink); padding: 4px 8px; letter-spacing: .08em; }
.control-box dl { margin: 0; }
.control-box dl div { display: grid; grid-template-columns: 130px 1fr; border-bottom: 1px solid var(--line); }
.control-box dl div:last-child { border-bottom: 0; }
.control-box dt, .control-box dd { margin: 0; padding: 12px 20px; }
.control-box dt { color: var(--sage); border-right: 1px solid var(--line); }
.control-box dd { color: var(--mist); }

.guide-layout { display: grid; gap: 40px; padding-top: 56px; padding-bottom: 112px; }
@media (min-width: 1000px) { .guide-layout { grid-template-columns: 260px minmax(0, 1fr); gap: 88px; padding-top: 88px; } }
.guide-toc { font-family: var(--font-head); font-size: 14px; border: 2px solid var(--line); padding: 20px 22px; align-self: start; }
@media (min-width: 1000px) { .guide-toc { position: sticky; top: 124px; border: 0; border-left: 1px solid var(--line-strong); padding: 0 0 0 20px; } }
.guide-toc .label { margin-bottom: 14px; }
.guide-toc ol { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.guide-toc a { text-decoration: none; color: var(--muted); }
.guide-toc a:hover { color: var(--mist); }

.guide-body { max-width: 70ch; min-width: 0; font-size: 18px; line-height: 1.65; }
.guide-body > p:first-child { font-size: 21px; line-height: 1.5; color: var(--mist); }
.guide-body strong { color: var(--mist); }
.guide-body h2 { font-size: clamp(26px, 2.6vw, 34px); max-width: none; margin: 64px 0 20px; padding-top: 24px; border-top: 1px solid var(--line-strong); scroll-margin-top: 110px; }
.guide-body h3 { font-size: 21px; margin: 36px 0 12px; scroll-margin-top: 110px; }
.guide-body hr { display: none; }
.guide-body ul, .guide-body ol { padding-left: 1.3em; margin: 0 0 1em; }
.guide-body li { margin-bottom: .45em; }
.guide-body li::marker { color: var(--sage); }
.guide-body a { color: var(--mist); text-decoration-color: var(--sage); text-underline-offset: 3px; }
.guide-body table { border-collapse: collapse; width: 100%; margin: 0 0 1.4em; font-size: 16px; }
.guide-body th, .guide-body td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); }

.callout { margin: 32px 0; padding: 22px 24px 8px; border: 2px solid var(--line); }
.callout::before { display: inline-block; font-family: var(--font-head); font-size: 12px; letter-spacing: .12em; text-transform: uppercase; padding: 4px 9px; margin-bottom: 12px; }
.callout-attention { background: var(--panel); border-color: var(--sage); }
.callout-attention::before { content: "Attention"; background: var(--sage); color: var(--ink); }
.callout-insider { border-style: dashed; border-color: var(--line-strong); }
.callout-insider::before { content: "Insider note"; color: var(--sage); border: 1px solid var(--sage); }
.callout-critical { background: var(--pale); border-color: var(--pale); color: var(--ink); }
.callout-critical::before { content: "Critical"; background: var(--ink); color: var(--mist); }
.callout-critical strong, .callout-critical a { color: var(--ink); }

.guide-btn { margin: 32px 0; }
.guide-cta { margin: 64px 0 32px; padding: 36px 32px; background: var(--pale); color: var(--ink); }
.guide-cta .eyebrow { color: var(--line-strong); }
.guide-cta h3 { color: var(--ink); margin-bottom: 24px; max-width: 26ch; }
.guide-disclaimer { margin-top: 48px; padding-top: 20px; border-top: 1px solid var(--line); font-size: 15px; }
.guide-disclaimer .label { display: block; margin-bottom: 8px; }

/* Thanks page */
.thanks { min-height: 60vh; }

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }
.list-grid { margin-top: 64px; }