/* ==========================================================================
   Environmental Innovators of America
   Design language: field survey / engineering document.
   Blueprint grid, condensed industrial type, monospace data, technical line art.
   Palette logic: RUST = the problem (corroded steel, the well as found)
                  GREEN = the outcome (restored land)
                  STEEL = the organisation doing the work
   ========================================================================== */

:root {
  --steel:       #1f2933;   /* ink / dark ground */
  --steel-2:     #33414f;
  --steel-3:     #5b6b7a;
  --steel-4:     #8c99a6;

  --rust:        #b4532a;   /* oxidised casing — problem, calls to action */
  --rust-2:      #8e3f1f;
  --rust-light:  #d9834f;

  --restored:    #4f7a4a;   /* revegetated ground — outcome */
  --restored-lt: #6fa363;

  --paper:       #f7f5f0;   /* report stock */
  --paper-2:     #efece4;
  --white:       #ffffff;
  --grid:        rgba(31, 41, 51, .07);

  --font-head: "Barlow Condensed", "Oswald", "Arial Narrow", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --maxw: 1200px;
  --gap: clamp(1.5rem, 3.5vw, 3rem);
}

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

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

/* Blueprint grid: 8px minor, 40px major. Drawn with gradients, no image. */
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: clamp(1rem, .96rem + .2vw, 1.06rem);
  line-height: 1.65;
  color: var(--steel);
  background-color: var(--paper);
  background-image:
    linear-gradient(to right, var(--grid) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid) 1px, transparent 1px);
  background-size: 40px 40px, 40px 40px;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
sub { font-size: .75em; }

a { color: var(--rust); text-underline-offset: 3px; }
a:hover { color: var(--rust-2); }

:focus-visible { outline: 3px solid var(--rust); outline-offset: 2px; }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 999;
  background: var(--steel); color: var(--paper);
  padding: .7rem 1.1rem; font-weight: 600;
}
.skip-link:focus { left: .5rem; top: .5rem; }

.wrap {
  width: 100%; max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: clamp(1.15rem, 4vw, 2.5rem);
}

/* ----------------------------- typography -------------------------------- */
h1, h2, h3 {
  font-family: var(--font-head);
  font-weight: 700;
  line-height: 1.04;
  text-transform: uppercase;
  letter-spacing: .005em;
  margin: 0 0 .5em;
  color: var(--steel);
}
h1 { font-size: clamp(2.4rem, 1.5rem + 4vw, 4.4rem); }
h2 { font-size: clamp(1.9rem, 1.4rem + 2.2vw, 3rem); }
h3 { font-size: clamp(1.15rem, 1.05rem + .45vw, 1.4rem); letter-spacing: .02em; }

h1 .hl { color: var(--rust); }

p { margin: 0 0 1.1em; }

.lede, .section-lede {
  font-size: clamp(1.06rem, 1rem + .4vw, 1.28rem);
  line-height: 1.55;
  color: var(--steel-2);
  max-width: 60ch;
}

.fineprint { font-size: .85rem; color: var(--steel-3); }

/* monospace tag / label */
.tag {
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--steel-3);
  margin: 0 0 .7rem;
}
.tag-rust { color: var(--rust); }

/* big section number, like a drawing sheet reference */
.sec-no {
  font-family: var(--font-mono);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .2em;
  color: var(--rust);
  margin: 0 0 .5rem;
  padding-bottom: .5rem;
  border-bottom: 2px solid var(--steel);
  display: inline-block;
  min-width: 3.5rem;
}
.sec-no.light { color: var(--rust-light); border-bottom-color: var(--steel-4); }

/* ------------------------------- buttons --------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: .5rem;
  font-family: var(--font-mono);
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: .85rem 1.6rem;
  border: 2px solid var(--steel);
  border-radius: 0;                 /* engineering drawings have corners */
  text-decoration: none;
  cursor: pointer;
  background: transparent;
  color: var(--steel);
  transition: background-color .15s ease, color .15s ease, transform .1s ease;
}
.btn:active { transform: translateY(1px); }
.btn-sm { padding: .5rem 1rem; font-size: .74rem; }

.btn-rust { background: var(--rust); border-color: var(--rust); color: var(--white); }
.btn-rust:hover { background: var(--rust-2); border-color: var(--rust-2); color: var(--white); }

.btn-outline:hover { background: var(--steel); color: var(--paper); }

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

.btn-row { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.75rem; }

/* -------------------------------- header --------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(247, 245, 240, .95);
  backdrop-filter: blur(6px);
  border-bottom: 2px solid var(--steel);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; min-height: 74px;
}
.brand { display: flex; align-items: center; gap: .7rem; text-decoration: none; color: var(--steel); }
.brand-text { display: flex; flex-direction: column; line-height: 1.05; }
.brand-text strong {
  font-family: var(--font-head);
  font-size: 1.32rem;
  text-transform: uppercase;
  letter-spacing: .01em;
  max-width: 15ch;
}
.brand-text small {
  font-family: var(--font-mono);
  font-size: .62rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--steel-3);
  margin-top: .2rem;
}

.nav ul { display: flex; align-items: center; gap: 1.5rem; list-style: none; margin: 0; padding: 0; }
.nav a:not(.btn) {
  font-family: var(--font-mono);
  font-size: .76rem;
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--steel-2);
  text-decoration: none;
  padding: .3rem 0;
  border-bottom: 2px solid transparent;
}
.nav a:not(.btn):hover { color: var(--rust); border-bottom-color: var(--rust); }

.nav-toggle {
  display: none;
  width: 46px; height: 42px;
  border: 2px solid var(--steel);
  background: transparent;
  cursor: pointer;
  position: relative;
}
.bars, .bars::before, .bars::after {
  position: absolute; left: 50%; width: 20px; height: 2px;
  background: var(--steel); transform: translateX(-50%);
  transition: transform .2s ease, opacity .2s ease;
}
.bars { top: 50%; translate: 0 -50%; }
.bars::before { content: ""; top: -6px; }
.bars::after { content: ""; top: 6px; }
.nav-toggle[aria-expanded="true"] .bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .bars::before { top: 0; transform: translateX(-50%) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .bars::after { top: 0; transform: translateX(-50%) rotate(-45deg); }

@media (max-width: 960px) {
  .nav-toggle { display: block; }
  .nav {
    position: absolute; inset: 100% 0 auto 0;
    background: var(--paper);
    border-bottom: 2px solid var(--steel);
    display: none;
  }
  .nav.is-open { display: block; }
  .nav ul {
    flex-direction: column; align-items: stretch; gap: 0;
    padding: .4rem clamp(1.15rem, 4vw, 2.5rem) 1.2rem;
  }
  .nav li { border-bottom: 1px solid rgba(31,41,51,.12); }
  .nav li:last-child { border: 0; padding-top: 1rem; }
  .nav a:not(.btn) { display: block; padding: .9rem 0; font-size: .86rem; }
  .brand-text strong { max-width: 11ch; font-size: 1.1rem; }
}

/* --------------------------------- hero ---------------------------------- */
.hero { padding-block: clamp(2.5rem, 6vw, 4.5rem); }
.hero-grid {
  display: grid; gap: var(--gap);
  grid-template-columns: 1fr 1.15fr;
  align-items: center;
}
@media (max-width: 1000px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-fig { order: -1; }
}
.hero-text h1 { margin-bottom: .4em; }

/* ---------------------- technical drawing conventions -------------------- */
/* All figures share one visual grammar so they read as one document set. */
.draw {
  width: 100%; height: auto;
  color: var(--steel);
  font-family: var(--font-mono);
}
.hero-fig, .method-fig {
  margin: 0;
  background: var(--white);
  border: 2px solid var(--steel);
}

.draw .frame { color: var(--steel-4); }
.draw .dwg-label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .1em;
  fill: var(--steel-2);
  stroke: none;
  text-transform: uppercase;
}
.draw .dwg-label.dwg-right { text-anchor: end; }
.draw .dwg-label.dim { fill: var(--steel-4); }
.draw .dwg-label.leak-label { fill: var(--rust); }

.draw g[class] { fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; }
.draw .hair { stroke-width: 1; }
.draw .rust-stroke { color: var(--rust); stroke-width: 2.2; }
.draw .green-stroke { color: var(--restored); stroke-width: 2.2; }
.draw .ground { stroke: var(--steel); stroke-width: 2.5; fill: none; }
.draw .strata { color: var(--steel-4); stroke-width: 1.2; }
.draw .bore { color: var(--steel-2); stroke-width: 2.4; }
.draw .leak { color: var(--rust); stroke-width: 1.8; }
.draw .anno { color: var(--steel-3); stroke-width: 1; }
.draw .anno path { stroke-dasharray: 4 3; }
.draw .dim-line path { stroke-dasharray: none; }
.draw .plug rect { fill: var(--restored); stroke: var(--restored); stroke-width: 2; }

/* ---------------------------- mission plate ------------------------------ */
.section { padding-block: clamp(3rem, 7vw, 5.5rem); }
.section-plate { background: var(--paper-2); border-block: 2px solid var(--steel); }

.plate {
  background: var(--white);
  border: 2px solid var(--steel);
  border-left: 10px solid var(--rust);
  padding: clamp(1.5rem, 4vw, 2.75rem);
}
.plate-kicker {
  font-family: var(--font-mono);
  font-size: .72rem; font-weight: 600;
  letter-spacing: .2em; text-transform: uppercase;
  color: var(--rust);
  margin: 0 0 .9rem;
}
.plate-statement {
  font-family: var(--font-head);
  font-size: clamp(1.25rem, 1.05rem + .95vw, 1.95rem);
  line-height: 1.32;
  color: var(--steel);
  margin: 0;
  max-width: 62ch;
}

/* ------------------------------- problem --------------------------------- */
.two-col {
  display: grid; gap: var(--gap);
  grid-template-columns: .85fr 1.15fr;
  margin-top: 1.5rem;
}
@media (max-width: 900px) { .two-col { grid-template-columns: 1fr; } }

.risk-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 1.5rem; }
.risk-list li { display: flex; gap: 1.1rem; align-items: flex-start; }
.risk-no {
  font-family: var(--font-mono);
  font-size: .8rem; font-weight: 600;
  flex: none;
  width: 30px; height: 30px;
  display: grid; place-items: center;
  border: 2px solid var(--rust);
  color: var(--rust);
  margin-top: .2rem;
}
.risk-list h3 { margin-bottom: .2em; }
.risk-list p { margin: 0; color: var(--steel-2); font-size: .97rem; }

/* -------------------------------- our work ------------------------------- */
.section-dark {
  background: var(--steel);
  color: var(--paper-2);
  border-block: 2px solid var(--steel);
}
.section-dark h2, .section-dark h3 { color: var(--paper); }
.section-dark .section-lede { color: var(--steel-4); }

.op-grid {
  display: grid; gap: var(--gap); margin-top: 2.5rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.op {
  border: 1px solid var(--steel-3);
  border-top: 4px solid var(--rust);
  padding: 1.5rem 1.4rem 1.7rem;
  background: rgba(255, 255, 255, .03);
}
.op-no {
  font-family: var(--font-mono);
  font-size: .75rem; font-weight: 600; letter-spacing: .18em;
  color: var(--rust-light);
  margin: 0 0 1rem;
}
.op-ico {
  width: 84px; height: 84px;
  color: var(--restored-lt);
  margin-bottom: 1.1rem;
}
.op p:last-child { margin: 0; color: var(--steel-4); font-size: .97rem; }
.op h3 { margin-bottom: .35em; }

.note-dark {
  margin: 2.5rem 0 0;
  padding-left: 1.2rem;
  border-left: 4px solid var(--rust);
  font-family: var(--font-head);
  font-size: clamp(1.1rem, 1rem + .5vw, 1.45rem);
  line-height: 1.4;
  color: var(--paper);
  max-width: 62ch;
}

/* --------------------------------- method -------------------------------- */
.method-grid {
  display: grid; gap: var(--gap); margin-top: 2.5rem;
  grid-template-columns: .9fr 1.1fr;
  align-items: start;
}
@media (max-width: 960px) { .method-grid { grid-template-columns: 1fr; } }

.steps { list-style: none; counter-reset: s; padding: 0; margin: 0; }
.steps li {
  counter-increment: s;
  position: relative;
  padding: 0 0 1.5rem 3.4rem;
  border-left: 2px solid rgba(31,41,51,.18);
  margin-left: 14px;
}
.steps li:last-child { border-left-color: transparent; padding-bottom: 0; }
.steps li::before {
  content: counter(s, decimal-leading-zero);
  position: absolute; left: -15px; top: 0;
  width: 28px; height: 28px;
  display: grid; place-items: center;
  background: var(--steel); color: var(--paper);
  font-family: var(--font-mono); font-size: .68rem; font-weight: 600;
}
.steps h3 { margin-bottom: .2em; }
.steps p { margin: 0; color: var(--steel-2); font-size: .97rem; }

/* -------------------------------- veterans ------------------------------- */
.section-veterans {
  background: var(--steel-2);
  color: var(--paper-2);
  border-block: 2px solid var(--steel);
  background-image:
    repeating-linear-gradient(135deg,
      rgba(255,255,255,.022) 0 14px,
      transparent 14px 28px);
}
.section-veterans h2, .section-veterans h3 { color: var(--paper); }

.vet-head { display: flex; align-items: center; gap: 1.1rem; flex-wrap: wrap; }
.chevrons { width: 74px; height: 37px; color: var(--rust-light); flex: none; margin-bottom: .45em; }

.vet-grid {
  display: grid; gap: var(--gap); margin-top: 1rem;
  grid-template-columns: 1.1fr .9fr;
  align-items: start;
}
@media (max-width: 900px) { .vet-grid { grid-template-columns: 1fr; } }

.vet-statement {
  font-family: var(--font-head);
  font-size: clamp(1.3rem, 1.1rem + 1vw, 2rem);
  line-height: 1.3;
  color: var(--paper);
}
.vet-lead p:not(.vet-statement) { color: var(--steel-4); }

.partner-card {
  background: rgba(0, 0, 0, .22);
  border: 1px solid var(--steel-4);
  border-top: 4px solid var(--rust-light);
  padding: 1.5rem 1.4rem;
}
.partner-card .tag { color: var(--rust-light); }
.partner-card h3 { font-size: clamp(1.2rem, 1.05rem + .5vw, 1.5rem); margin-bottom: .7em; }
.partner-card p { color: var(--steel-4); font-size: .95rem; }

.chip-list { list-style: none; padding: 0; margin: 1.1rem 0 0; display: flex; flex-wrap: wrap; gap: .5rem; }
.chip-list li {
  font-family: var(--font-mono);
  font-size: .7rem; font-weight: 600;
  letter-spacing: .1em; text-transform: uppercase;
  padding: .35rem .7rem;
  border: 1px solid var(--steel-4);
  color: var(--paper-2);
}

.vet-cta {
  margin-top: 2.5rem;
  padding: 1.5rem;
  border: 2px dashed var(--steel-4);
  display: flex; align-items: center; justify-content: space-between;
  gap: 1.5rem; flex-wrap: wrap;
}
.vet-cta h3 { margin-bottom: .2em; }
.vet-cta p { margin: 0; color: var(--steel-4); }

/* ------------------------------ get involved ----------------------------- */
.route-grid {
  display: grid; gap: var(--gap); margin-top: 2.5rem;
  grid-template-columns: repeat(auto-fit, minmax(255px, 1fr));
}
.route {
  background: var(--white);
  border: 1px solid rgba(31,41,51,.2);
  border-left: 5px solid var(--restored);
  padding: 1.4rem 1.4rem 1.5rem;
  transition: transform .15s ease, box-shadow .15s ease;
}
.route:hover { transform: translateY(-3px); box-shadow: 5px 6px 0 rgba(31,41,51,.1); }
.route h3 { margin-bottom: .35em; }
.route p { margin: 0; font-size: .96rem; color: var(--steel-2); }

/* -------------------------------- contact -------------------------------- */
.contact-grid {
  display: grid; gap: var(--gap);
  grid-template-columns: .9fr 1.1fr;
  align-items: start;
}
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }

.data-list {
  display: grid; grid-template-columns: 7rem 1fr;
  gap: .1rem 1rem; margin: 1.5rem 0;
  font-family: var(--font-mono); font-size: .9rem;
  border-top: 1px solid rgba(31,41,51,.2);
}
.data-list dt {
  font-size: .7rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase;
  color: var(--steel-3);
  padding: .6rem 0;
  border-bottom: 1px solid rgba(31,41,51,.12);
}
.data-list dd {
  margin: 0; padding: .6rem 0;
  border-bottom: 1px solid rgba(31,41,51,.12);
  overflow-wrap: anywhere;       /* long addresses must not overflow the column */
}

/* The org's email is long; give it room rather than letting it break mid-word. */
@media (max-width: 480px) {
  .data-list { grid-template-columns: 1fr; gap: 0; }
  .data-list dt { padding-bottom: .1rem; border-bottom: 0; }
  .data-list dd { font-size: .82rem; }
}

.form-card {
  background: var(--white);
  border: 2px solid var(--steel);
  padding: clamp(1.4rem, 3.5vw, 2.2rem);
}
.form-card h3 { margin-bottom: 1.3rem; }

.field { margin-bottom: 1.1rem; }
.field label {
  display: block;
  font-family: var(--font-mono);
  font-size: .7rem; font-weight: 600;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--steel-3);
  margin-bottom: .35rem;
}
.field .opt { color: var(--steel-4); letter-spacing: .05em; }
.field input, .field select, .field textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--steel);
  width: 100%;
  padding: .65rem .75rem;
  background: var(--paper);
  border: 1.5px solid var(--steel-4);
  border-radius: 0;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--rust);
  box-shadow: inset 0 0 0 1px var(--rust);
  background: var(--white);
}
.field [aria-invalid="true"] { border-color: var(--rust); background: rgba(180,83,42,.05); }
.field textarea { resize: vertical; }

.form-status {
  margin: 1rem 0 0;
  font-family: var(--font-mono); font-size: .82rem; font-weight: 600;
  letter-spacing: .04em;
}
.form-status.is-error { color: var(--rust); }
.form-status.is-ok { color: var(--restored); }

/* --------------------------------- footer -------------------------------- */
.site-footer {
  background: var(--steel);
  color: var(--steel-4);
  padding-block: 2.5rem;
  border-top: 2px solid var(--steel);
}
.footer-inner {
  display: grid; gap: var(--gap);
  grid-template-columns: 1.4fr 1fr 1fr;
  align-items: start;
}
@media (max-width: 820px) { .footer-inner { grid-template-columns: 1fr; } }
.footer-brand { display: flex; align-items: flex-start; gap: .8rem; }
.footer-brand p { margin: 0; line-height: 1.4; }
.footer-brand strong {
  font-family: var(--font-head);
  font-size: 1.2rem; text-transform: uppercase;
  color: var(--paper);
}
.footer-brand span { font-family: var(--font-mono); font-size: .7rem; letter-spacing: .06em; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .5rem; }
.site-footer a {
  font-family: var(--font-mono); font-size: .76rem;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--steel-4); text-decoration: none;
}
.site-footer a:hover { color: var(--paper); }
.copyright { font-family: var(--font-mono); font-size: .7rem; letter-spacing: .06em; margin: 0; }

/* ---------------------- drawing "plots itself" on scroll ----------------- */
.draw-in path, .draw-in circle, .draw-in rect, .draw-in ellipse {
  stroke-dasharray: var(--len, 900);
  stroke-dashoffset: var(--len, 900);
}
.draw-in.is-plotting path, .draw-in.is-plotting circle,
.draw-in.is-plotting rect, .draw-in.is-plotting ellipse {
  animation: plot .8s ease-out forwards;
  animation-delay: var(--delay, 0s);
}
@keyframes plot { to { stroke-dashoffset: 0; } }

/* Text inside a plotting figure must never be dashed. */
.draw-in text { stroke: none; }

@media (prefers-reduced-motion: reduce) {
  .draw-in path, .draw-in circle, .draw-in rect, .draw-in ellipse {
    stroke-dasharray: none; stroke-dashoffset: 0;
  }
}

.reveal { opacity: 0; transform: translateY(14px); transition: opacity .5s ease, transform .5s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; } }

/* --------------------------------- print --------------------------------- */
@media print {
  body { background: #fff; color: #000; }
  .site-header, .nav-toggle, .form-card { display: none; }
  .section-dark, .section-veterans { background: #fff; color: #000; border: 1px solid #000; }
  .section-dark h2, .section-dark h3,
  .section-veterans h2, .section-veterans h3 { color: #000; }
}