/* TRX Energy production design system.
   Selected C — Warm Infrastructure (HUMAN gate 1206, 2026-08-04).
   The rejected A/B directions remain isolated under docs/design only. */

:root {
  color-scheme: light;

  /* Warm neutral foundations. */
  --trx-color-canvas: #f0ebe2;
  --trx-color-surface: #fffaf2;
  --trx-color-surface-strong: #ffffff;
  --trx-color-surface-subtle: #f7efe2;
  --trx-color-ink: #2b2722;
  --trx-color-text-muted: #665e54;
  --trx-color-text-quiet: #6f665c;
  --trx-color-border: #d5cab9;
  --trx-color-border-strong: #b8aa97;
  --trx-color-rail: #312b25;
  --trx-color-rail-hover: #443b32;
  --trx-color-on-rail: #fffaf2;

  /* One action accent. TRON red is reserved for the network marker. */
  --trx-color-action: #276d5b;
  --trx-color-action-hover: #1e5849;
  --trx-color-action-soft: #e3efe9;
  --trx-color-on-action: #ffffff;
  --trx-color-network-tron: #a63434;
  --trx-color-focus: #8a4d22;
  --trx-color-danger: #a23232;
  --trx-color-danger-soft: #f7e5df;
  --trx-color-warning: #805418;
  --trx-color-warning-soft: #f4eadb;
  --trx-color-info: #365d75;
  --trx-color-info-soft: #e5eef3;
  --trx-color-disabled: #5d564e;
  --trx-color-disabled-bg: #ddd5ca;

  /* One UI family supports Cyrillic/Latin through native system fonts. */
  --trx-font-ui: Avenir, "Avenir Next", "Segoe UI", system-ui, -apple-system, sans-serif;
  --trx-font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --trx-text-xs: 0.75rem;
  --trx-text-sm: 0.875rem;
  --trx-text-base: 1rem;
  --trx-text-lg: 1.125rem;
  --trx-text-xl: 1.375rem;
  --trx-text-2xl: clamp(1.75rem, 4vw, 2.5rem);
  --trx-leading-tight: 1.15;
  --trx-leading-body: 1.55;

  /* 4px spacing rhythm. */
  --trx-space-1: 0.25rem;
  --trx-space-2: 0.5rem;
  --trx-space-3: 0.75rem;
  --trx-space-4: 1rem;
  --trx-space-5: 1.25rem;
  --trx-space-6: 1.5rem;
  --trx-space-8: 2rem;
  --trx-space-10: 2.5rem;
  --trx-space-12: 3rem;
  --trx-space-16: 4rem;

  --trx-radius-sm: 0.375rem;
  --trx-radius-md: 0.625rem;
  --trx-radius-lg: 0.875rem;
  --trx-radius-status: 999px;
  --trx-shadow-surface: 0 18px 45px rgba(68, 55, 40, 0.11), 0 2px 7px rgba(68, 55, 40, 0.08);
  --trx-shadow-dialog: 0 24px 64px rgba(49, 43, 37, 0.24);
  --trx-duration-fast: 150ms;
  --trx-duration-normal: 220ms;
  --trx-ease-standard: cubic-bezier(0.2, 0, 0, 1);
  --trx-content-max: 1200px;
  --trx-control-min: 44px;

  /* Temporary aliases keep the current generated site readable until its
     sections adopt the semantic names. Both former accents resolve to the
     same selected-C action color, so they no longer compete. */
  --c-bg: #f0ebe2;
  --c-surface: #fffaf2;
  --c-surface-2: #ffffff;
  --c-border: #d5cab9;
  --c-border-2: #d5cab9;
  --c-text: #2b2722;
  --c-muted: #574f48;
  --c-muted-2: #574f48;
  --c-teal: #276d5b;
  --c-teal-dim: #1e5849;
  --c-teal-ghost: #e3efe9;
  --c-amber: #276d5b;
  --c-amber-dim: #1e5849;
  --c-amber-ghost: #e3efe9;
  --c-focus: #8a4d22;
  --font-head: var(--trx-font-ui);
  --font-body: var(--trx-font-ui);
  --text-xs: var(--trx-text-xs);
  --text-sm: var(--trx-text-sm);
  --text-base: var(--trx-text-base);
  --text-lg: var(--trx-text-lg);
  --text-xl: var(--trx-text-xl);
  --text-2xl: 1.5rem;
  --text-3xl: 2rem;
  --text-4xl: 2.75rem;
  --text-5xl: 3.625rem;
  --space-1: var(--trx-space-1);
  --space-2: var(--trx-space-2);
  --space-3: var(--trx-space-3);
  --space-4: var(--trx-space-4);
  --space-5: var(--trx-space-5);
  --space-6: var(--trx-space-6);
  --space-8: var(--trx-space-8);
  --space-10: var(--trx-space-10);
  --space-12: var(--trx-space-12);
  --space-16: var(--trx-space-16);
  --space-20: 5rem;
  --space-24: 6rem;
  --radius-sm: var(--trx-radius-sm);
  --radius-md: var(--trx-radius-md);
  --radius-lg: var(--trx-radius-lg);
  --radius-xl: var(--trx-radius-lg);
  --radius-pill: var(--trx-radius-md);
  --shadow-card: var(--trx-shadow-surface);
  --shadow-lg: var(--trx-shadow-dialog);
  --shadow-teal: 0 0 0 1px var(--trx-color-action);
  --t-fast: var(--trx-duration-fast) var(--trx-ease-standard);
  --t-normal: var(--trx-duration-normal) var(--trx-ease-standard);
  --t-spring: var(--trx-duration-normal) var(--trx-ease-standard);
  --max-w: var(--trx-content-max);
  --nav-h: 64px;
}

:where(a, button, input, select, textarea, summary, [tabindex]):focus-visible {
  outline: 3px solid var(--c-focus) !important;
  outline-offset: 3px !important;
}

body[data-route="order"][data-order-loading="true"] .app-main {
  visibility: hidden;
}

body[data-route="order"][data-order-loading="true"] .app-reference {
  visibility: visible;
}

/* Compatibility for generated marketing pages while their sections migrate to
   components.css. This keeps the selected-C rules true without regenerating
   unrelated content: one action treatment, rectangular controls, no decorative
   color effects, and readable small savings text. */
:where(
  .hero-cta-btn,
  .how-cta-btn,
  .article-cta-btn,
  .cmp-cta-btn
) {
  border-radius: var(--trx-radius-md) !important;
  box-shadow: none !important;
  color: var(--trx-color-on-action) !important;
}

:where(.calc-cta-btn, .maintenance-cta, .e404-links a) {
  border-radius: var(--trx-radius-md) !important;
  box-shadow: none !important;
}

:where(
  .article-tag,
  .blog-card-badge,
  .hero-badge,
  .bots-page-card-badge
) {
  border-radius: var(--trx-radius-sm) !important;
}

.hero::before {
  background: none !important;
}

.article-cta-box {
  background: var(--trx-color-action-soft) !important;
  border-color: var(--trx-color-border-strong) !important;
}

.calc-mid-sav-mo {
  opacity: 1 !important;
}

.trx-consent-settings {
  position: fixed;
  right: 12px;
  bottom: max(12px, env(safe-area-inset-bottom));
  z-index: 9998;
  min-height: 44px;
  padding: 10px 14px;
  border: 1px solid var(--c-border-2);
  border-radius: var(--radius-md);
  background: var(--c-surface-2);
  color: var(--c-text);
  box-shadow: var(--shadow-card);
  font: 600 var(--text-sm)/1.2 var(--font-body);
  cursor: pointer;
}

.trx-consent-panel {
  position: fixed;
  right: 12px;
  bottom: max(68px, calc(env(safe-area-inset-bottom) + 68px));
  left: 12px;
  z-index: 9999;
  max-width: 520px;
  margin-left: auto;
  padding: 20px;
  border: 1px solid var(--c-border-2);
  border-radius: var(--radius-lg);
  background: var(--c-surface-2);
  color: var(--c-text);
  box-shadow: var(--shadow-lg);
  font: var(--text-base)/1.5 var(--font-body);
}

.trx-consent-panel[hidden] { display: none; }
.trx-consent-panel h2 { margin: 0 0 8px; font: 700 var(--text-xl)/1.25 var(--font-head); }
.trx-consent-panel p { margin: 0 0 16px; color: var(--c-muted); }
.trx-consent-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.trx-consent-actions button {
  min-height: 44px;
  padding: 10px 16px;
  border: 1px solid var(--c-border-2);
  border-radius: var(--radius-md);
  background: var(--c-surface);
  color: var(--c-text);
  font: 600 var(--text-sm)/1.2 var(--font-body);
  cursor: pointer;
}
.trx-consent-actions [data-consent='accept'] {
  border-color: var(--c-teal);
  background: var(--c-teal);
  color: var(--c-bg);
}

@media (max-width: 600px) {
  :root {
    --text-xs: 13px;
    --text-sm: 15px;
    --text-base: 16px;
  }

  .brand,
  .support-actions a,
  .app-proof a {
    display: inline-flex !important;
    min-height: var(--trx-control-min) !important;
    align-items: center;
  }

  .site-footer .footer-col a {
    display: flex !important;
    min-height: var(--trx-control-min) !important;
    align-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}