/**
 * EdgeThink Landing — single-screen layout
 * Uses design-system.css for tokens, typography, grid.
 */

/* --- Single-screen grid (no scroll) --- */
.screen {
  min-height: 100vh;
  max-height: 100vh;
  overflow: hidden;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 0 var(--grid-gap);
  grid-template-rows: auto 1fr auto;
  grid-template-areas:
    "brand brand brand brand brand brand . . status status status status"
    "hero hero hero hero hero hero hero hero hero hero hero hero"
    "modules modules modules modules . . support support support support support support";
  max-width: var(--grid-max);
  margin: 0 auto;
  padding: var(--space-6) var(--grid-margin) var(--space-4);
}

/* --- Top row --- */
.top-row {
  grid-area: brand;
  display: contents;
}

.brand {
  grid-area: brand;
  align-self: start;
}

.brand-name {
  margin: 0 0 var(--space-1);
  font-family: var(--font-display);
  font-size: var(--text-size-lg);
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--color-text);
}

.brand-desc {
  margin: 0;
  font-family: var(--font-ui);
  font-size: var(--text-size-sm);
  color: var(--color-text-secondary);
}

.status {
  grid-area: status;
  align-self: start;
  justify-self: end;
  text-align: right;
}

.status-line {
  font-family: var(--font-ui);
  font-size: var(--text-size-xs);
  color: var(--color-text-tertiary);
  letter-spacing: 0.02em;
}

/* --- Center hero --- */
.hero {
  grid-area: hero;
  align-self: center;
  justify-self: center;
  text-align: center;
  padding: var(--space-3) 0;
}

.headline {
  margin: 0 0 var(--space-2);
  font-family: var(--font-display);
  font-size: var(--text-size-hero);
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--color-text);
  line-height: var(--line-height-tight);
}

.tagline {
  margin: 0;
  font-family: var(--font-ui);
  font-size: var(--text-size-sm);
  color: var(--color-text-secondary);
  max-width: 42ch;
  margin-left: auto;
  margin-right: auto;
  line-height: var(--line-height-relaxed);
}

/* --- Lower left: modules (indexed tools) --- */
.modules {
  grid-area: modules;
  align-self: end;
}

.section-title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-display);
  font-size: var(--text-size-sm);
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0.02em;
  color: var(--color-text-secondary);
}

.module-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.module-list li {
  margin: var(--space-1) 0;
}

.module-link {
  font-family: var(--font-ui);
  font-size: var(--text-size-sm);
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition-base);
}

.module-link:hover {
  color: var(--color-text);
  text-decoration: underline;
  text-underline-offset: 2px;
  filter: none;
}

.module-link:focus-visible {
  outline: var(--outline-focus);
  outline-offset: var(--outline-offset);
}

/* --- Lower right: support --- */
.support {
  grid-area: support;
  align-self: end;
  text-align: right;
}

.support .section-title {
  text-align: right;
}

.support-text {
  margin: 0 0 var(--space-2);
  font-family: var(--font-ui);
  font-size: var(--text-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

.addresses {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  align-items: flex-end;
}

.address-block {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-1);
}

.chain {
  font-family: var(--font-ui);
  font-size: var(--text-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-tertiary);
}

.address {
  font-family: var(--font-ui);
  font-size: var(--text-size-xs);
  color: var(--color-text);
  background: var(--color-surface);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  word-break: break-all;
  text-align: right;
}