/* Landing screen visual styles */

.landing { min-height: 100%; background: var(--paper); }

.landing-hero {
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px;
  padding: 40px 48px 32px; max-width: 1440px; margin: 0 auto;
  border-bottom: 1px solid var(--line);
}
.landing-hero-left h1 {
  font-size: 38px; line-height: 1.08; letter-spacing: -0.02em; margin: 12px 0 16px;
  font-weight: 700; color: var(--ink-900); text-wrap: balance;
}
.landing-hero-left p { font-size: 15px; color: var(--ink-700); max-width: 54ch; margin: 0 0 20px; text-wrap: pretty; }

.landing-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--brand-cyan-600);
  background: var(--brand-cyan-50); padding: 6px 10px; border-radius: 999px;
}
.landing-eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: #3FD69A; box-shadow: 0 0 0 3px rgba(63,214,154,0.18); }

.landing-hero-meta {
  display: grid; grid-template-columns: repeat(3, auto); gap: 0 36px; margin: 24px 0;
  padding: 16px 0; border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft);
}
.landing-hero-meta > div { display: flex; flex-direction: column; }
.landing-hero-meta strong { font-size: 26px; font-weight: 700; color: var(--brand-cyan-600); letter-spacing: -0.02em; }
.landing-hero-meta span { font-size: 12px; color: var(--ink-500); margin-top: 2px; }

.landing-cta { display: flex; gap: 10px; flex-wrap: wrap; }

/* Systems map */
.landing-hero-right { display: grid; place-items: stretch; }
.systems-map {
  position: relative; min-height: 380px; height: 100%;
  background: radial-gradient(ellipse at center, var(--card) 0%, var(--ink-50) 80%);
  border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.sys-node {
  position: absolute; transform: translate(-50%,-50%);
  display: flex; align-items: center; gap: 8px;
  background: var(--card); border: 1px solid var(--line); border-radius: 8px;
  padding: 6px 10px; box-shadow: var(--shadow-sm);
  font-size: 11.5px; white-space: nowrap;
}
.sys-dot { width: 10px; height: 10px; border-radius: 50%; flex: none; }
.sys-name { font-weight: 700; font-size: 12px; color: var(--ink-900); }
.sys-note { font-size: 10.5px; color: var(--ink-500); }

.sys-hub {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%);
  display: flex; align-items: center; gap: 10px;
  background: var(--navy); color: #fff; padding: 10px 14px 10px 10px;
  border-radius: 12px; box-shadow: 0 10px 30px rgba(14,42,71,0.22);
  border: 1px solid rgba(255,255,255,0.06);
}
.sys-hub img { width: 36px; height: 36px; object-fit: contain; background: #fff; border-radius: 6px; padding: 3px; }
.sys-hub-title { font-weight: 700; font-size: 13px; }
.sys-hub-sub { font-size: 10.5px; color: rgba(255,255,255,0.6); font-family: var(--font-mono); margin-top: 1px; }

/* Section headers */
.landing-section { padding: 28px 48px; max-width: 1440px; margin: 0 auto; }
.landing-section-head { display: flex; align-items: baseline; gap: 12px; margin-bottom: 16px; }
.landing-section-head h2 { font-size: 17px; font-weight: 700; margin: 0; letter-spacing: -0.01em; }
.landing-section-head .muted { font-size: 12.5px; }

/* Roles */
.roles-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.role-card {
  display: flex; flex-direction: column; gap: 4px; align-items: flex-start; text-align: left;
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 16px; transition: transform .08s, border-color .1s, box-shadow .12s;
  min-height: 170px; position: relative; overflow: hidden;
}
.role-card:hover { border-color: var(--brand-cyan); box-shadow: 0 6px 20px rgba(31,167,230,0.12); transform: translateY(-1px); }
.role-ico { width: 34px; height: 34px; border-radius: 8px; background: var(--brand-cyan-50); color: var(--brand-cyan-600); display: grid; place-items: center; margin-bottom: 6px; }
.role-title { font-weight: 700; font-size: 14px; color: var(--ink-900); }
.role-who { font-size: 11.5px; color: var(--ink-500); font-family: var(--font-mono); }
.role-desc { font-size: 12.5px; color: var(--ink-700); line-height: 1.45; margin-top: 6px; flex: 1; text-wrap: pretty; }
.role-foot { display: flex; justify-content: space-between; align-items: center; width: 100%; margin-top: 10px; }

/* Flows */
.flows-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.flow-card {
  display: flex; flex-direction: column; gap: 6px; align-items: flex-start; text-align: left;
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 16px; min-height: 160px; transition: border-color .1s, box-shadow .12s;
  position: relative;
}
.flow-card:hover { border-color: var(--brand-cyan); box-shadow: 0 6px 20px rgba(31,167,230,0.12); }
.flow-card-head { display: flex; width: 100%; justify-content: space-between; align-items: center; }
.flow-card-roles { display: flex; gap: 4px; }
.mini-pill { font-size: 10px; padding: 1px 6px; background: var(--ink-100); color: var(--ink-500); border-radius: 999px; font-family: var(--font-mono); }
.flow-card-title { font-weight: 700; font-size: 13.5px; color: var(--ink-900); margin-top: 6px; }
.flow-card-desc { font-size: 12px; color: var(--ink-500); line-height: 1.45; flex: 1; text-wrap: pretty; }
.flow-card-cta { font-size: 12px; font-weight: 700; color: var(--brand-cyan-600); display: inline-flex; align-items: center; gap: 6px; margin-top: 8px; }

@media (max-width: 1100px) {
  .landing-hero { grid-template-columns: 1fr; }
  .roles-grid, .flows-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 820px) {
  .landing-hero {
    padding: 24px 16px 20px;
    gap: 24px;
  }
  .landing-hero-left h1 { font-size: 28px; }
  .landing-hero-left p { font-size: 14px; }
  .landing-hero-meta {
    grid-template-columns: repeat(3, 1fr);
    gap: 0 16px;
    margin: 18px 0;
  }
  .landing-hero-meta strong { font-size: 20px; }
  .landing-hero-meta span { font-size: 11px; }
  .systems-map { min-height: 280px; }
  .sys-node { font-size: 10.5px; padding: 5px 8px; }
  .sys-name { font-size: 11px; }
  .sys-hub-title { font-size: 12px; }
  .sys-hub img { width: 28px; height: 28px; }

  .landing-section { padding: 20px 16px; }
  .landing-section-head h2 { font-size: 15px; }
  .roles-grid, .flows-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .role-card, .flow-card { min-height: 0; padding: 14px; }
}

@media (max-width: 420px) {
  .landing-hero-left h1 { font-size: 24px; }
  .landing-hero-meta { grid-template-columns: 1fr 1fr; row-gap: 10px; }
}