/* Public homepage. Layout concept: a rate card on graph paper. */
.home { background-color: var(--bg); }

.top { position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--bg) 92%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.brand:hover { color: var(--ink); }
.mark { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 8px; background: var(--ink); color: var(--bg); font: 600 12px/1 var(--font-mono); letter-spacing: 0.04em; }
.brand-name { font: 700 17px/1.1 var(--font-display); }
.top nav { display: flex; align-items: center; gap: 22px; }
.top nav a:not(.btn) { color: var(--ink); text-decoration: none; font-weight: 500; font-size: 15px; }
.top nav a:not(.btn):hover { color: var(--accent); }

/* Hero */
.hero {
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 32px 32px;
  border-bottom: 1px solid var(--line);
}
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); gap: 40px; align-items: center; padding-block: 72px; }
.eyebrow { font: 500 13px/1.4 var(--font-mono); color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 18px; }
.hero h1 { font-size: clamp(2.4rem, 5.6vw, 4.2rem); font-weight: 700; margin-bottom: 20px; }
.lede { font-size: 1.15rem; max-width: 34em; color: var(--ink); margin-bottom: 28px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 22px; }
.free-note { display: flex; align-items: center; gap: 10px; font: 500 14px/1.4 var(--font-mono); color: var(--muted); }
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); flex: none; }

/* Network diagram */
.hero-art { min-width: 0; }
.diagram { width: 100%; height: auto; display: block; }
.diagram .links path { fill: none; stroke: var(--accent); stroke-width: 2; stroke-dasharray: 6 8; animation: flow 1.6s linear infinite; }
.diagram .node rect { fill: var(--surface); stroke: var(--ink); stroke-width: 1.5; }
.diagram .node text { font: 500 11px var(--font-mono); fill: var(--ink); letter-spacing: 0.05em; }
.diagram .hub rect { fill: var(--accent); stroke: var(--accent); }
.diagram .hub text { fill: var(--accent-ink); font-weight: 600; }
.diagram .pulse circle { fill: none; stroke: var(--accent); stroke-width: 2; transform-origin: 260px 200px; animation: ping 2.8s ease-out infinite; }
.diagram .pulse circle:nth-child(2) { animation-delay: 1.4s; }
@keyframes flow { to { stroke-dashoffset: -28; } }
@keyframes ping { from { transform: scale(1); opacity: 0.7; } to { transform: scale(3.4); opacity: 0; } }

/* Sections */
.section { padding-block: 72px; }
.section.alt { background: var(--surface-2); border-block: 1px solid var(--line); }
.section-head { max-width: 40em; margin-bottom: 36px; display: grid; gap: 10px; }
.section-head h2, .travel h2, .contact h2 { font-size: clamp(1.8rem, 3.4vw, 2.5rem); }
.section-head p { color: var(--muted); }

/* Rate card */
.rate-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 40px 56px; }
.rate-group h3 { font: 600 13px/1.2 var(--font-mono); text-transform: uppercase; letter-spacing: 0.1em; color: var(--accent); padding-bottom: 12px; border-bottom: 2px solid var(--ink); margin-bottom: 4px; }
.rates { list-style: none; margin: 0; padding: 0; }
.rates li { display: flex; align-items: baseline; gap: 8px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.r-name { display: grid; gap: 2px; min-width: 0; flex: 0 1 auto; }
.r-name span { font-weight: 600; }
.r-name small { color: var(--muted); font-size: 13.5px; line-height: 1.4; }
.leader { flex: 1 1 16px; min-width: 16px; border-bottom: 2px dotted var(--line); transform: translateY(-5px); }
.r-price { font-family: var(--font-mono); white-space: nowrap; text-align: right; flex: none; }
.r-price b { font-weight: 500; font-size: 1.05rem; }
.r-price i { font-style: normal; color: var(--muted); font-size: 0.82rem; }
.r-price em { font-style: normal; color: var(--signal); font-size: 0.8rem; }

/* Travel */
.travel { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: 40px; align-items: start; }
.travel p { color: var(--muted); margin-top: 10px; max-width: 26em; }
.travel-rules { margin: 0; padding: 0; list-style: none; display: grid; gap: 12px; }
.travel-rules li { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }

/* Contact */
.contact { display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr); gap: 48px; align-items: start; }
.contact-info { display: grid; gap: 22px; }
.contact-info > p { color: var(--muted); max-width: 28em; }
.reach h3 { font: 600 12px/1.2 var(--font-mono); text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); margin-bottom: 6px; }
.numbers { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.numbers a, .reach a { font: 600 1.35rem/1.3 var(--font-display); text-decoration: none; color: var(--ink); }
.numbers a:hover, .reach a:hover { color: var(--accent); }
.reach p { font-size: 1.05rem; }
.form { display: grid; gap: 16px; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 24px; box-shadow: var(--shadow); }
.form .row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-note { min-height: 1.4em; font-size: 14.5px; }
.form-note.ok { color: var(--ok); font-weight: 600; }
.form-note.err { color: var(--danger); font-weight: 600; }

.foot { border-top: 1px solid var(--line); padding-block: 24px; color: var(--muted); font-size: 14px; }
.foot-bar { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; }

@media (max-width: 860px) {
  .hero-grid, .travel, .contact { grid-template-columns: minmax(0, 1fr); }
  .hero-grid { padding-block: 44px; gap: 28px; }
  .hero-art { order: -1; max-width: 420px; }
  .rate-grid { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .section { padding-block: 52px; }
}
@media (max-width: 560px) {
  .top nav a:not(.btn) { display: none; }
  .brand-name { font-size: 15px; }
  .form .row { grid-template-columns: minmax(0, 1fr); }
  .form { padding: 18px; }
  .rates li { flex-wrap: wrap; }
  .leader { display: none; }
  .r-name { flex: 1 1 100%; }
  .r-price { text-align: left; }
}