/* Metric-matched stand-ins so headlines don't re-wrap when Instrument Serif loads */
@font-face {
  font-family: "Instrument Serif Fallback";
  src: local("Times New Roman"), local("TimesNewRomanPSMT");
  size-adjust: 84.5%;
  ascent-override: 117.2%;
  descent-override: 36.7%;
}
@font-face {
  font-family: "Instrument Serif Fallback";
  font-style: italic;
  src: local("Times New Roman Italic"), local("TimesNewRomanPS-ItalicMT");
  size-adjust: 89.7%;
  ascent-override: 110.3%;
  descent-override: 34.5%;
}
@font-face {
  font-family: "Instrument Serif Fallback Android";
  src: local("Noto Serif"), local("NotoSerif-Regular");
  size-adjust: 71.2%;
  ascent-override: 139%;
  descent-override: 43.5%;
}
@font-face {
  font-family: "Instrument Serif Fallback Android";
  font-style: italic;
  src: local("Noto Serif Italic"), local("NotoSerif-Italic");
  size-adjust: 77.7%;
  ascent-override: 127.4%;
  descent-override: 39.9%;
}

:root {
  --paper: #f6f4ee;
  --ink: #161916;
  --muted: #5b6058;
  --rule: #d9d5ca;
  --green: #1d5b40;
  --green-deep: #123b29;
  --green-tint: #e4ebe3;
  --serif: "Instrument Serif", "Instrument Serif Fallback", "Instrument Serif Fallback Android", "Times New Roman", serif;
  --sans: "Overpass", "Helvetica Neue", Arial, sans-serif;
  --wrap: 1240px;
  --gutter: clamp(20px, 4vw, 48px);
  --header-h: 72px;
  color-scheme: light;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 8px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
figure { margin: 0; }

.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

:focus-visible { outline: 2px solid var(--green); outline-offset: 3px; }
.contact :focus-visible { outline-color: #fff; }
.contact-email:focus-visible { border-bottom-color: #fff; }

.skip {
  position: absolute;
  left: -9999px;
  top: 12px;
  z-index: 20;
  background: var(--ink);
  color: #fff;
  padding: 8px 14px;
}
.skip:focus { left: 12px; }

/* Brand: a nod to the green NYC street sign */
.sign {
  display: inline-block;
  background: var(--green);
  color: #fff;
  font-family: var(--sans);
  font-weight: 700;
  font-size: 15px;
  line-height: 1;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
  padding: 10px 13px 8px;
  border-radius: 5px;
  outline: 1.5px solid rgba(255, 255, 255, 0.95);
  outline-offset: -4px;
}

.sign-sm { font-size: 12px; padding: 8px 10px 6px; outline-offset: -3px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(246, 244, 238, 0.92);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--rule);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: var(--header-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-sub {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 14px;
  font-weight: 500;
}

.nav a { text-decoration: none; color: var(--muted); transition: color 0.2s; }
.nav a:hover { color: var(--ink); }

.nav .nav-cta {
  color: var(--ink);
  border: 1px solid var(--ink);
  border-radius: 999px;
  padding: 9px 18px 7px;
  transition: background 0.2s, color 0.2s;
}
.nav .nav-cta:hover { background: var(--ink); color: var(--paper); }

/* Shared type */
.eyebrow {
  margin: 0 0 20px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--green);
}

h1, h2 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -0.01em;
}

h1, h2 { text-wrap: balance; }
h1 { font-size: clamp(46px, 8vw, 112px); }
h2 { font-size: clamp(36px, 4.8vw, 64px); }
h1 em, h2 em { font-style: italic; color: var(--green); }

.br-wide { display: none; }
.nowrap { white-space: nowrap; }

.sep {
  display: inline-block;
  width: 4px;
  height: 4px;
  margin: 0 0.1em;
  border-radius: 50%;
  background: currentColor;
  vertical-align: middle;
  transform: translateY(-1px);
}
/* Letter-spacing pads the left gap only, so even it out */
.eyebrow .sep { margin: 0 0.25em 0 0.05em; }

.link-arrow {
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
}
.link-arrow::after { content: " \2192"; }
.link-arrow:hover { color: var(--green); }

/* Hero */
.hero { padding-top: clamp(56px, 9vw, 120px); }

.hero-row {
  display: grid;
  gap: 28px;
  margin-top: clamp(28px, 4vw, 48px);
  padding-bottom: clamp(44px, 6vw, 80px);
}

.lede {
  margin: 0;
  max-width: 46ch;
  font-size: clamp(18px, 1.5vw, 20px);
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 28px;
}

.btn-primary {
  display: inline-block;
  background: var(--green);
  color: #fff;
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  padding: 16px 26px 14px;
  border-radius: 999px;
  transition: background 0.2s;
}
.btn-primary:hover { background: var(--green-deep); }

.hero-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* Services */
.services { padding: clamp(80px, 10vw, 140px) 0; }

.services-grid { display: grid; gap: 48px; }

.section-note {
  margin: 24px 0 0;
  max-width: 40ch;
  color: var(--muted);
}

.service-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  border-top: 1px solid var(--rule);
}

.service-list li {
  padding: 28px 0 32px;
  border-bottom: 1px solid var(--rule);
}

.num {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--green);
}

.service-list h3 {
  margin: 10px 0 8px;
  font-size: 19px;
  font-weight: 600;
  line-height: 1.3;
}

.service-list p { margin: 0; font-size: 16px; color: var(--muted); }

/* Approach */
.approach { padding: 0 0 clamp(80px, 10vw, 140px); }

.approach-grid { display: grid; gap: 48px; align-items: center; }

.approach-media img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.principles {
  margin: 36px 0 0;
  border-top: 1px solid var(--rule);
}

.principles div {
  display: grid;
  gap: 4px;
  padding: 22px 0;
  border-bottom: 1px solid var(--rule);
}

.principles dt { font-weight: 600; }
.principles dd { margin: 0; color: var(--muted); }

.types-label {
  margin: 36px 0 14px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}

.tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tags li {
  font-size: 14px;
  padding: 8px 15px 6px;
  border: 1px solid var(--rule);
  border-radius: 999px;
  background: #fff;
}

/* Getting started */
.start {
  background: var(--green-tint);
  padding: clamp(80px, 10vw, 140px) 0;
}

.start-grid { display: grid; gap: 48px; align-items: center; }

.steps {
  list-style: none;
  margin: 32px 0 36px;
  padding: 0;
  border-top: 1px solid rgba(29, 91, 64, 0.22);
}

.steps li {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 8px;
  padding: 20px 0;
  border-bottom: 1px solid rgba(29, 91, 64, 0.22);
}

.steps .num { padding-top: 5px; }
.steps h3 { margin: 0 0 4px; font-size: 19px; font-weight: 600; line-height: 1.3; }
.steps p { margin: 0; color: var(--muted); }

.btn-outline {
  display: inline-block;
  margin-top: 8px;
  color: var(--green);
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  padding: 14px 24px 12px;
  border: 1px solid var(--green);
  border-radius: 999px;
  transition: background 0.2s, color 0.2s;
}
.btn-outline:hover { background: var(--green); color: #fff; }

.start-media img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* Contact */
.contact {
  background: var(--green);
  color: #fff;
  padding: clamp(88px, 12vw, 160px) 0;
}

.contact .eyebrow { color: rgba(255, 255, 255, 0.72); }
.contact h2 em { color: #fff; }

.contact-email {
  display: inline-block;
  margin-top: 36px;
  font-family: var(--serif);
  font-size: clamp(25px, 4.6vw, 56px);
  line-height: 1.15;
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.45);
  overflow-wrap: anywhere;
  transition: border-color 0.2s;
}
.contact-email:hover { border-bottom-color: #fff; }

.contact-note {
  margin: 28px 0 0;
  max-width: 52ch;
  color: rgba(255, 255, 255, 0.82);
}

/* Footer */
.site-footer { padding: 36px 0 44px; }

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px 32px;
  font-size: 14px;
  color: var(--muted);
}
.footer-inner p { margin: 0; }

/* Larger screens */
@media (min-width: 640px) {
  .service-list { grid-template-columns: 1fr 1fr; column-gap: 40px; }
  .principles div { grid-template-columns: 190px 1fr; gap: 24px; }
}

@media (min-width: 700px) {
  .hero-media img { aspect-ratio: 21 / 9; }
}

@media (min-width: 900px) {
  .br-wide { display: inline; }
  .hero-row {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: end;
    gap: 64px;
  }
  .hero-actions { justify-content: flex-end; }
}

@media (min-width: 960px) {
  .services-grid { grid-template-columns: 5fr 7fr; gap: 80px; }
  .section-head { position: sticky; top: calc(var(--header-h) + 48px); align-self: start; }
  .approach-grid { grid-template-columns: 5fr 7fr; gap: 80px; }
  .start-grid { grid-template-columns: 1fr 1fr; gap: 80px; }
}

/* Small phones */
@media (max-width: 760px) {
  .nav a:not(.nav-cta) { display: none; }
}

@media (max-width: 400px) {
  .brand { gap: 9px; }
  .brand-sub { font-size: 11px; letter-spacing: 0.16em; }
  .sign { font-size: 13px; padding: 9px 11px 7px; }
  .nav .nav-cta { padding: 8px 14px 6px; }
  .eyebrow { font-size: 11px; letter-spacing: 0.16em; }
}

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