/* Page CSS for the Титан offer mockup. Tokens only. */

.mono { font-family: var(--font-mono); font-size: var(--fs-micro); letter-spacing: 0.04em; }

/* Mockup strip above the header: full width, plain text, no box */
.mock-strip { background: var(--ink-field); color: var(--on-ink-muted); font-size: var(--fs-micro); padding-block: 8px; }
.mock-strip .shell { display: block; }
.mock-strip .ph { color: var(--on-ink); background: transparent; border-color: currentColor; }

/* Header */
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 1.125rem; }
.brand-mark { width: 34px; height: 34px; flex: none; }
.brand-word { font-family: var(--font-display); font-weight: 600; letter-spacing: -0.01em; line-height: 1; }
.brand-word span { font-family: var(--font-body); font-weight: 500; font-size: 0.72em; color: var(--muted); letter-spacing: 0.02em; }
.button-sm { min-height: 44px; padding: 10px 18px; font-size: var(--fs-small); }
.button { font-weight: 500; }
.theme-toggle { display: inline-grid; place-items: center; width: 44px; height: 44px; border: 0; border-radius: var(--radius-button); background: transparent; color: var(--ink); cursor: pointer; }
.theme-toggle svg { width: 20px; height: 20px; }
.theme-toggle[hidden] { display: none; }
@media (max-width: 559px) { .brand-word span { display: none; } .header-inner { gap: 8px; } }

/* Tags and placeholders */
.tag-line { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; color: var(--muted); }
.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag { font-family: var(--font-mono); font-size: 0.6875rem; line-height: 1.4; padding: 2px 8px; border: 1px solid var(--line); border-radius: var(--radius-sm); color: var(--muted-strong); }
.tag-signal { background: var(--accent); border-color: var(--accent); color: var(--bg); }
.ph { font-family: var(--font-mono); font-size: 0.82em; letter-spacing: 0; color: var(--accent-text); background: var(--accent-soft); border-bottom: 1px dashed currentColor; padding: 1px 4px; border-radius: 3px; box-decoration-break: clone; -webkit-box-decoration-break: clone; }
.field-2 .ph, .field-3 .ph, .band-ink .ph { color: inherit; background: color-mix(in srgb, currentColor 12%, transparent); }
.num-tag { color: var(--accent-text); }
.on-dark { color: var(--signal); }

/* Hero: short title, then the scheme */
.scheme-hero { min-height: 0; }
.scheme-head { display: grid; gap: 12px; }
.scheme-hero .display { font-size: clamp(2.75rem, 1.6rem + 4vw, 5rem); }
@media (min-width: 900px) { .scheme-head { grid-template-columns: minmax(0, 1fr) auto; align-items: end; gap: 48px; } }

/* The scheme: «Титан» bracket around three stacked layers, core at the bottom */
.scheme { display: grid; gap: 10px; margin-top: clamp(8px, 2vw, 24px); }
.scheme-total { display: grid; gap: 4px; padding: 0 0 12px; border-bottom: 2px solid var(--accent); color: var(--accent-text); }
.scheme-total-name { font-family: var(--font-display); font-size: clamp(1.75rem, 1.3rem + 1.6vw, 2.5rem); line-height: 1; color: var(--ink); }
.layers { display: grid; gap: 8px; }
.layer { display: grid; gap: 16px 40px; padding: clamp(20px, 3vw, 36px); border-radius: var(--radius); }
.layer-head { display: grid; gap: 4px; align-content: start; }
.layer-no { text-transform: uppercase; letter-spacing: 0.1em; opacity: 0.85; }
.layer-owner { font-family: var(--font-display); font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2.25rem); line-height: 1.05; }
.layer-cap { font-size: var(--fs-small); opacity: 0.85; max-width: 32ch; }
.layer-ui { background: var(--surface); color: var(--ink); }
.layer-products { background: var(--field-2); color: var(--field-2-ink); padding-block: clamp(28px, 4vw, 56px); }
.layer-core { background: var(--field-3); color: var(--field-3-ink); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; align-content: center; }
.chips li { display: inline-flex; flex-wrap: wrap; align-items: baseline; gap: 2px 8px; padding: 10px 16px; border-radius: var(--radius-sm); background: color-mix(in srgb, currentColor 9%, transparent); font-weight: 500; line-height: 1.3; }
.chips-lg li { padding: 14px 20px; font-size: clamp(1.0625rem, 1rem + 0.4vw, 1.3125rem); }
.chip-note { font-size: var(--fs-micro); font-weight: 400; opacity: 0.85; }
.layer .ph { color: inherit; background: transparent; }
@media (min-width: 900px) {
  .scheme { grid-template-columns: 92px minmax(0, 1fr); gap: 0 16px; }
  .scheme-total { grid-column: 1; grid-row: 1; writing-mode: vertical-rl; transform: rotate(180deg); padding: 0 14px 0 0; border-bottom: 0; border-left: 2px solid var(--accent); align-content: center; justify-items: center; text-align: center; }
  .layers { grid-column: 2; grid-row: 1; }
  .layer { grid-template-columns: 240px minmax(0, 1fr); }
}

/* Roles */
.roles-title { margin-bottom: clamp(24px, 3vw, 40px); }
.roles dt { font-family: var(--font-display); font-size: var(--fs-h3); display: flex; align-items: baseline; gap: 10px; }
.roles dd { color: var(--muted-strong); max-width: 40ch; }

/* Case */
.kv-dark > div { border-color: color-mix(in srgb, var(--on-ink) 18%, transparent); }
.kv-dark dt { color: var(--on-ink-muted); }
.band-ink .ph { color: inherit; background: color-mix(in srgb, currentColor 12%, transparent); }

/* Contact */
.brief { align-items: center; }
@media (min-width: 900px) { .brief { grid-template-columns: minmax(0, 1fr) auto; } }

/* Footer */
.footer-brand { font-size: 1.25rem; margin-bottom: 10px; }