*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: #f0f4f2;
  color: #14201c;
  line-height: 1.65;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

:root {
  --ink: #14201c;
  --muted: #5a6b64;
  --bg: #f0f4f2;
  --panel: #ffffff;
  --forest: #0f3d32;
  --lime: #8bdc3c;
  --lime-dim: rgba(139,220,60,0.15);
  --border: rgba(20,32,28,0.1);
  --mono: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
}

/* ——— PATH NAV: my / vault / shield / relay / port (unique) ——— */
.pathbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(240,244,242,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.pathbar .brand {
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}
.pathbar .brand span {
  color: var(--muted);
  font-weight: 500;
}

.path {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0;
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 600;
}
.path a {
  color: var(--muted);
  padding: 6px 4px;
  transition: color 0.2s;
}
.path a:hover { color: var(--ink); }
.path a.active {
  color: var(--forest);
  background: var(--lime-dim);
  border-radius: 4px;
  padding: 6px 8px;
}
.path .sep {
  color: var(--lime);
  padding: 0 6px;
  font-weight: 400;
  user-select: none;
}

.mob {
  display: none;
  background: var(--forest);
  color: #fff;
  border: none;
  padding: 8px 12px;
  font-size: 0.8rem;
  font-weight: 700;
  border-radius: 6px;
  cursor: pointer;
}

/* ——— VAULT HERO ——— */
.vault {
  max-width: 1080px;
  margin: 0 auto;
  padding: 48px 24px 32px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 28px;
  align-items: stretch;
}
.vault .copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.vault .tag {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--forest);
  margin-bottom: 12px;
}
.vault h1 {
  font-size: clamp(1.9rem, 4vw, 2.7rem);
  font-weight: 800;
  letter-spacing: -0.8px;
  line-height: 1.12;
  margin-bottom: 14px;
}
.vault p {
  color: var(--muted);
  margin-bottom: 24px;
  max-width: 420px;
}
.vault .frame {
  background: var(--forest);
  border-radius: 16px;
  overflow: hidden;
  position: relative;
  min-height: 320px;
}
.vault .frame img {
  width: 100%;
  height: 100%;
  min-height: 320px;
  object-fit: cover;
  opacity: 0.75;
  mix-blend-mode: luminosity;
}
.vault .frame .chip {
  position: absolute;
  bottom: 16px;
  left: 16px;
  background: var(--lime);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 800;
  padding: 8px 12px;
  border-radius: 999px;
  letter-spacing: 0.06em;
}

.btn {
  display: inline-flex;
  align-items: center;
  padding: 12px 22px;
  font-size: 0.88rem;
  font-weight: 700;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-forest {
  background: var(--forest);
  color: #fff;
}
.btn-forest:hover { filter: brightness(1.1); }
.btn-lime {
  background: var(--lime);
  color: var(--ink);
}
.btn-lime:hover { filter: brightness(0.95); }
.btn-line {
  background: transparent;
  border: 1.5px solid var(--ink);
  color: var(--ink);
}
.btn-line:hover { background: var(--ink); color: #fff; }

/* ——— CARDS ——— */
.row {
  max-width: 1080px;
  margin: 0 auto;
  padding: 12px 24px 48px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px;
}
.card .ico {
  width: 36px;
  height: 36px;
  background: var(--lime-dim);
  color: var(--forest);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.85rem;
  margin-bottom: 12px;
}
.card h3 {
  font-size: 1.05rem;
  font-weight: 800;
  margin-bottom: 6px;
}
.card p {
  font-size: 0.9rem;
  color: var(--muted);
}

/* ——— SHIELD ——— */
.page-head {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 24px 20px;
}
.page-head .tag {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--forest);
  margin-bottom: 10px;
}
.page-head h1 {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.6px;
  margin-bottom: 10px;
}
.page-head p {
  color: var(--muted);
  font-size: 1.05rem;
}

.shield-list {
  max-width: 720px;
  margin: 0 auto 50px;
  padding: 0 24px;
}
.shield-item {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}
.shield-item .n {
  font-family: var(--mono);
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--forest);
  background: var(--lime-dim);
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.shield-item h3 {
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 4px;
}
.shield-item p {
  font-size: 0.92rem;
  color: var(--muted);
}

/* ——— RELAY ——— */
.relay-grid {
  max-width: 1080px;
  margin: 0 auto 50px;
  padding: 20px 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.relay-grid img {
  width: 100%;
  height: 100%;
  min-height: 300px;
  object-fit: cover;
  border-radius: 14px;
}
.relay-box {
  background: var(--forest);
  color: rgba(255,255,255,0.75);
  border-radius: 14px;
  padding: 36px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.relay-box h2 {
  color: #fff;
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 12px;
}
.relay-box p { margin-bottom: 10px; font-size: 0.98rem; }

/* ——— PORT ——— */
.port-wrap {
  max-width: 1080px;
  margin: 20px auto 60px;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 16px;
}
.port-side {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 32px;
}
.port-side h2 {
  font-size: 1.35rem;
  font-weight: 800;
  margin-bottom: 20px;
}
.p-row { margin-bottom: 16px; }
.p-row .lbl {
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--forest);
  margin-bottom: 4px;
}
.p-row p, .p-row a {
  font-size: 0.95rem;
  color: var(--muted);
}
.p-row a:hover { color: var(--ink); }

.port-form {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 32px;
}
.form-group { margin-bottom: 14px; }
.form-group label {
  display: block;
  font-size: 0.82rem;
  color: var(--muted);
  margin-bottom: 5px;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  font-size: 0.95rem;
  color: var(--ink);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--forest);
}
.form-group textarea { min-height: 110px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

.ft {
  border-top: 1px solid var(--border);
  padding: 24px;
  font-size: 0.82rem;
  color: var(--muted);
  text-align: center;
}
.ft strong { color: var(--ink); }

@media (max-width: 860px) {
  .path { display: none; width: 100%; }
  .path.open { display: flex; }
  .mob { display: block; }
  .vault { grid-template-columns: 1fr; }
  .row { grid-template-columns: 1fr; }
  .relay-grid { grid-template-columns: 1fr; }
  .relay-grid img { min-height: 220px; }
  .port-wrap { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}