/* ===========================================================
   POSTPOINT — Design tokens
   =========================================================== */
:root {
  --green-light: #8bc53f;
  --green: #4a9c3f;
  --green-dark: #1e7a3d;
  --forest: #13321d;
  --forest-2: #1c231d;
  --paper: #f7f9f4;
  --paper-2: #eef2e8;
  --ink: #1c231d;
  --ink-soft: #4b5347;
  --line: #d9e2cf;
  --amber: #c98a2b;
  --white: #ffffff;

  --font-display: "Space Grotesk", "Helvetica Neue", Arial, sans-serif;
  --font-body: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;

  --grid-cell: 44px;
  --radius: 10px;
  --container: 1160px;
}

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.08;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}

p { margin: 0 0 1em; color: var(--ink-soft); }

.mono { font-family: var(--font-mono); }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* Grid texture — echoes the real 5x5m addressing grid */
.grid-texture {
  background-image:
    linear-gradient(to right, rgba(30, 122, 61, 0.07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(30, 122, 61, 0.07) 1px, transparent 1px);
  background-size: var(--grid-cell) var(--grid-cell);
}

/* ===========================================================
   Buttons & badges
   =========================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  padding: 13px 24px;
  border-radius: 8px;
  border: 1.5px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn:focus-visible { outline: 3px solid var(--green-light); outline-offset: 2px; }

.btn-primary {
  background: linear-gradient(135deg, var(--green-light), var(--green-dark));
  color: var(--white);
  box-shadow: 0 4px 14px rgba(30, 122, 61, 0.28);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 18px rgba(30, 122, 61, 0.36); }

.btn-ghost {
  background: transparent;
  border-color: var(--forest);
  color: var(--forest);
}
.btn-ghost:hover { background: var(--forest); color: var(--white); }

.btn-ghost.on-dark {
  border-color: rgba(255,255,255,0.5);
  color: var(--white);
}
.btn-ghost.on-dark:hover { background: var(--white); color: var(--forest); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--green-dark);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1.5px;
  background: var(--green-dark);
  display: inline-block;
}

/* ===========================================================
   Header / Nav
   =========================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(247, 249, 244, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  max-width: var(--container);
  margin: 0 auto;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  color: var(--forest);
}
.brand img { width: 30px; height: 30px; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  text-decoration: none;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--ink-soft);
}
.nav-links a:hover { color: var(--forest); }
.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-toggle { display: none; }

@media (max-width: 860px) {
  .nav-links { display: none; }
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    background: none;
    border: 1.5px solid var(--line);
    border-radius: 8px;
    cursor: pointer;
  }
}

/* Hamburger ↔ close icon */
.hamburger {
  position: relative;
  display: block;
  width: 18px;
  height: 2px;
  background: var(--forest);
  border-radius: 2px;
  transition: background 0.15s ease 0.05s;
}
.hamburger::before,
.hamburger::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: var(--forest);
  border-radius: 2px;
  transition: top 0.15s ease 0.15s, transform 0.15s ease;
}
.hamburger::before { top: -6px; }
.hamburger::after { top: 6px; }

.nav-toggle[aria-expanded="true"] .hamburger { background: transparent; }
.nav-toggle[aria-expanded="true"] .hamburger::before,
.nav-toggle[aria-expanded="true"] .hamburger::after {
  top: 0;
  transition: top 0.15s ease, transform 0.15s ease 0.15s;
}
.nav-toggle[aria-expanded="true"] .hamburger::before { transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .hamburger::after { transform: rotate(-45deg); }

/* ===========================================================
   Hero
   =========================================================== */
.hero {
  padding: 72px 0 56px;
  position: relative;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
}

.hero h1 {
  font-size: clamp(2.2rem, 4.2vw, 3.4rem);
  color: var(--forest);
  margin-bottom: 20px;
}
.hero h1 .accent { color: var(--green-dark); }
.hero-lede {
  font-size: 18px;
  max-width: 46ch;
  margin-bottom: 28px;
}
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 34px; }

.hero-note {
  font-size: 13.5px;
  color: var(--ink-soft);
  display: flex;
  align-items: center;
  gap: 8px;
}
.hero-note::before {
  content: "●";
  color: var(--green);
  font-size: 9px;
}

/* --- Live DAC resolver (signature element) --- */
.resolver {
  background: var(--forest);
  border-radius: 16px;
  padding: 26px;
  color: var(--white);
  position: relative;
  box-shadow: 0 24px 60px -20px rgba(19, 50, 29, 0.55);
}
.resolver-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--green-light);
  margin-bottom: 14px;
}
.resolver-chips {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}
.chip {
  font-family: var(--font-mono);
  font-size: 12.5px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.16);
  color: var(--white);
  padding: 8px 12px;
  border-radius: 100px;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}
.chip:hover, .chip:focus-visible { background: rgba(139, 197, 63, 0.18); border-color: var(--green-light); outline: none; }
.chip[aria-pressed="true"] {
  background: var(--green-light);
  color: var(--forest);
  border-color: var(--green-light);
  font-weight: 600;
}

.resolver-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 12px;
  padding: 20px;
  min-height: 210px;
  background-image:
    linear-gradient(to right, rgba(139, 197, 63, 0.09) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(139, 197, 63, 0.09) 1px, transparent 1px);
  background-size: 22px 22px;
}
.resolver-code {
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  font-weight: 600;
  color: var(--green-light);
  letter-spacing: 0.02em;
  margin-bottom: 4px;
  min-height: 1.2em;
}
.resolver-place { font-size: 14px; color: rgba(255,255,255,0.75); margin-bottom: 16px; }
.resolver-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 18px;
  font-size: 13px;
}
.resolver-meta div span {
  display: block;
  font-family: var(--font-mono);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.5);
  margin-bottom: 2px;
}
.resolver-meta div strong { color: var(--white); font-weight: 500; }
.resolver-precision {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed rgba(255,255,255,0.15);
  font-size: 12.5px;
  color: var(--green-light);
  font-family: var(--font-mono);
}

/* ===========================================================
   Proof strip
   =========================================================== */
.proof-strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 26px 0;
}
.proof-row {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  justify-content: space-between;
  align-items: center;
}
.proof-item { display: flex; align-items: baseline; gap: 8px; }
.proof-num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  color: var(--forest);
}
.proof-label { font-size: 13px; color: var(--ink-soft); }

/* ===========================================================
   Section shells
   =========================================================== */
section { padding: 88px 0; }
.section-head { max-width: 640px; margin-bottom: 48px; }
.section-head h2 { font-size: clamp(1.7rem, 3vw, 2.3rem); color: var(--forest); }
.section-head p { font-size: 16.5px; }

.dark-section {
  background: var(--forest);
  color: var(--white);
}
.dark-section p { color: rgba(255,255,255,0.72); }
.dark-section .section-head h2 { color: var(--white); }
.dark-section .eyebrow { color: var(--green-light); }
.dark-section .eyebrow::before { background: var(--green-light); }

/* ===========================================================
   Problem section
   =========================================================== */
.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
@media (max-width: 900px) { .problem-grid { grid-template-columns: 1fr; } }

.blank-map {
  aspect-ratio: 4/3;
  border-radius: 14px;
  background:
    repeating-linear-gradient(45deg, #e4e9dc 0 2px, transparent 2px 14px),
    var(--paper-2);
  border: 1px dashed var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.blank-map::after {
  content: "NO FORMAL ADDRESS";
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--ink-soft);
  background: var(--paper);
  padding: 8px 14px;
  border-radius: 100px;
  border: 1px solid var(--line);
}

.stat-list { list-style: none; margin: 28px 0 0; padding: 0; display: grid; gap: 18px; }
.stat-list li {
  display: flex;
  gap: 16px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}
.stat-list .num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 28px;
  color: var(--green-dark);
  min-width: 70px;
}

/* ===========================================================
   How it works — code anatomy
   =========================================================== */
.anatomy {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 32px;
}
.anatomy-code {
  font-family: var(--font-mono);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 600;
  color: var(--forest);
  margin-bottom: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}
.anatomy-code .part { position: relative; padding: 4px 2px; border-radius: 4px; }
.anatomy-code .part.prefix { background: rgba(139,197,63,0.22); }
.anatomy-code .part.grid { background: rgba(30,122,61,0.14); }
.anatomy-legend {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  font-size: 14px;
}
@media (max-width: 560px) { .anatomy-legend { grid-template-columns: 1fr; } }
.anatomy-legend .dot { width: 10px; height: 10px; border-radius: 3px; display: inline-block; margin-right: 8px; }
.anatomy-legend .dot.prefix { background: var(--green-light); }
.anatomy-legend .dot.grid { background: var(--green-dark); }

.steps { display: grid; gap: 22px; margin-top: 40px; }
.step { display: flex; gap: 18px; }
.step-num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--white);
  background: var(--green-dark);
  width: 30px; height: 30px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.step h4 { font-size: 16px; margin-bottom: 4px; color: var(--forest); }
.step p { margin: 0; font-size: 14.5px; }

/* ===========================================================
   Two-path cards (certification / lockbox)
   =========================================================== */
.path-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
@media (max-width: 800px) { .path-grid { grid-template-columns: 1fr; } }

.path-card {
  border-radius: 16px;
  padding: 32px;
  border: 1px solid var(--line);
  background: var(--white);
}
.path-card.featured {
  background: linear-gradient(160deg, var(--green-dark), var(--forest));
  color: var(--white);
  border: none;
}
.path-card.featured p, .path-card.featured .path-tag { color: rgba(255,255,255,0.78); }
.path-tag {
  font-family: var(--font-mono);
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--green-dark);
  margin-bottom: 10px;
  display: block;
}
.path-card h3 { font-size: 22px; margin-bottom: 10px; }
.path-card ul { margin: 18px 0 0; padding-left: 20px; font-size: 14.5px; }
.path-card li { margin-bottom: 8px; color: inherit; }

/* ===========================================================
   Developer section
   =========================================================== */
.dev-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
@media (max-width: 900px) { .dev-grid { grid-template-columns: 1fr; } }

.code-window {
  background: #0f1f13;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.08);
}
.code-window-bar {
  display: flex;
  gap: 6px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.03);
}
.code-window-bar span { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,0.15); }
.code-window pre {
  margin: 0;
  padding: 22px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  color: #cfe8bd;
  overflow-x: auto;
}
.code-window .k { color: #8bc53f; }
.code-window .s { color: #e8c07d; }
.code-window .c { color: #6b8a70; }

.badge-live {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--green-dark);
  background: rgba(139,197,63,0.16);
  padding: 6px 12px;
  border-radius: 100px;
  margin-bottom: 16px;
}
.badge-live::before { content: "●"; font-size: 8px; }

/* ===========================================================
   Trust strip
   =========================================================== */
.trust-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  align-items: center;
  justify-content: space-between;
  padding-top: 40px;
  margin-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.14);
}
.trust-item { font-family: var(--font-mono); font-size: 13px; color: rgba(255,255,255,0.65); }
.trust-item strong { color: var(--white); display: block; font-family: var(--font-display); font-size: 15px; margin-bottom: 2px; }

/* ===========================================================
   CTA band
   =========================================================== */
.cta-band {
  background: var(--paper-2);
  border-radius: 20px;
  padding: 56px;
  text-align: center;
}
.cta-band h2 { color: var(--forest); }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 26px; }

/* ===========================================================
   Footer
   =========================================================== */
.site-footer {
  background: var(--forest-2);
  color: rgba(255,255,255,0.7);
  padding: 56px 0 28px;
  font-size: 14px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 40px;
}
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer-grid h5 {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.45);
  margin-bottom: 14px;
}
.footer-grid ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.footer-grid a { text-decoration: none; color: rgba(255,255,255,0.75); }
.footer-grid a:hover { color: var(--green-light); }
.footer-brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 700; font-size: 18px; color: var(--white); margin-bottom: 12px; }
.footer-brand img { width: 26px; height: 26px; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 13px;
  color: rgba(255,255,255,0.45);
}

/* ===========================================================
   Media / press logos strip
   =========================================================== */
.media-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 36px;
  margin: 28px 0 8px;
}
.media-logo {
  height: 40px;
  width: auto;
  filter: grayscale(1) opacity(0.55);
  transition: filter 0.2s ease;
}
.media-logo-link { display: inline-flex; }
.media-logo:hover { filter: grayscale(0) opacity(1); }

/* ===========================================================
   Field photo gallery (real on-the-ground photos)
   =========================================================== */
.field-gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 36px;
}
@media (max-width: 760px) { .field-gallery { grid-template-columns: repeat(2, 1fr); } }
.field-photo {
  margin: 0;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--white);
}
.field-photo img { aspect-ratio: 4/3; object-fit: cover; width: 100%; }
.field-caption { padding: 10px 12px; font-size: 12.5px; color: var(--ink-soft); }

/* Utility */
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.visually-hide-until-js.js-ready { display: none; }