/**
 * VoySpeak — public chrome & design foundation
 * Night blue and electric blue from the logo, Manrope
 * Loaded after styles.css so tokens/chrome stay stable across multi-agent edits.
 */

:root {
  /* VoySpeak — black and electric blue from the logo */
  --green-900: #070b12;
  --green-800: #0d1420;
  --green-700: #141c2c;
  --green-600: #1c2740;
  --green-500: #2c3d58;
  --green-400: #2f9bff;
  --green-300: #7ec4ff;
  --green-200: #d4ebff;
  --accent: #2f9bff;
  --accent-hover: #7ec4ff;
  --accent-soft: rgba(47, 155, 255, 0.16);
  --accent-warm: #e0b87a;
  --on-accent: #041018;
  --brand: var(--accent);
  --cream: #f6f3eb;

  /* Surfaces — blue-black, readable against the logo */
  --bg: #0a1018;
  --bg-soft: #111826;
  --card: #172033;
  --surface-elevated: #1e2940;
  --text: #f4f7fb;
  --text-dim: #b7c4d6;
  --line: rgba(246, 243, 235, 0.12);
  --line-strong: rgba(246, 243, 235, 0.22);
  --danger: #e86a6a;
  --danger-hover: #d45555;

  --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 10px 28px rgba(0, 0, 0, 0.32);
  --shadow: 0 18px 44px rgba(0, 0, 0, 0.38);
  --shadow-accent: 0 8px 24px rgba(47, 155, 255, 0.22);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius: var(--radius-md);
  --radius-pill: 999px;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;

  --font-display: "Manrope", "Segoe UI", system-ui, sans-serif;
  --font-sans: "Manrope", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-md: 1.125rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: clamp(1.75rem, 3.5vw, 2.5rem);
  --font-size-3xl: clamp(2.15rem, 4.8vw, 3.35rem);
  --leading-tight: 1.15;
  --leading-normal: 1.6;
  --tracking-tight: -0.02em;
  --tracking-label: 0.04em;

  --focus-ring: 2px solid var(--accent);
  --focus-offset: 2px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --duration-fast: 150ms;
  --duration-normal: 240ms;

  --header-h: 66px;
  --z-header: 100;
  --z-nav-overlay: 95;
  --z-dropdown: 200;
  --container: 1180px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg);
  background-image:
    radial-gradient(ellipse 80% 48% at 18% -10%, rgba(47, 155, 255, 0.2), transparent 55%),
    linear-gradient(180deg, #152033 0%, var(--bg) 42%);
  background-attachment: scroll;
  color: var(--text);
  line-height: var(--leading-normal);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .logo-text, .section-title, .dl-page-title, .hero-title {
  font-family: var(--font-sans);
  letter-spacing: -0.02em;
  font-weight: 700;
  line-height: 1.2;
}

.container {
  width: min(var(--container), 92%);
}

a[href],
button,
.btn,
.nav-link,
.nav-drop-btn,
.lang-btn,
.account-bar-btn,
.account-bar-link,
.nav-toggle {
  cursor: pointer;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible,
.nav-drop-btn:focus-visible,
.lang-btn:focus-visible,
.nav-toggle:focus-visible,
.account-bar-btn:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-offset);
}

/* ===== Header ===== */
.site-header {
  z-index: var(--z-header);
  background: color-mix(in srgb, var(--bg) 94%, #000);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-bottom: 1px solid var(--line);
  box-shadow: none;
}
.site-header::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(47, 155, 255, 0.35) 30%,
    rgba(47, 155, 255, 0.7) 50%,
    rgba(47, 155, 255, 0.35) 70%,
    transparent 100%
  );
  pointer-events: none;
  opacity: 0.9;
}
.header-inner {
  gap: var(--space-5);
  height: var(--header-h);
  position: relative;
}
.logo {
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  transition: opacity var(--duration-fast) var(--ease-out);
}
.logo:hover { opacity: 0.92; }
.logo:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-offset);
}

.nav-backdrop {
  display: none;
  position: fixed;
  inset: var(--header-h) 0 0 0;
  z-index: var(--z-nav-overlay);
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: none;
  border: none;
  padding: 0;
  cursor: pointer;
}
.nav-backdrop.is-visible { display: block; }
body.nav-open { overflow: hidden; }

.main-nav {
  gap: 2px;
  min-width: 0;
}
.nav-actions {
  gap: var(--space-2);
  flex-shrink: 0;
}
.main-nav > a,
.nav-link {
  position: relative;
  font-size: var(--font-size-sm);
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--text-dim);
  transition: color var(--duration-fast) var(--ease-out);
  padding: 8px 11px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  background: transparent;
}
.main-nav > a:hover,
.nav-link:hover {
  color: var(--text);
  background: transparent;
}
.main-nav > a::after,
.nav-link::after {
  content: "";
  position: absolute;
  left: 11px;
  right: 11px;
  bottom: 4px;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-normal) var(--ease-out);
  opacity: 0.85;
}
.main-nav > a:hover::after,
.nav-link:hover::after,
.main-nav > a.is-active::after,
.main-nav > a[aria-current="page"]::after {
  transform: scaleX(1);
}
.main-nav > a.is-active,
.main-nav > a[aria-current="page"] {
  color: var(--text);
  background: transparent;
  box-shadow: none;
}

.nav-drop-btn {
  font-size: var(--font-size-sm);
  font-weight: 500;
  letter-spacing: 0.01em;
  padding: 8px 11px;
  border-radius: var(--radius-sm);
  transition: color var(--duration-fast) var(--ease-out);
  white-space: nowrap;
  background: transparent;
}
.nav-drop-btn:hover,
.nav-dropdown.open .nav-drop-btn,
.nav-dropdown.is-active .nav-drop-btn {
  color: var(--text);
  background: transparent;
}
.nav-dropdown.is-active .nav-drop-btn {
  color: var(--accent);
  box-shadow: none;
}
.nav-drop-btn .caret {
  transition: transform var(--duration-fast) var(--ease-out);
}
.nav-dropdown.open .nav-drop-btn .caret { transform: rotate(180deg); }
.nav-drop-menu {
  min-width: 220px;
  background: var(--surface-elevated);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  transition: opacity var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out), visibility var(--duration-fast);
  z-index: var(--z-dropdown);
}
.nav-drop-menu a {
  font-size: var(--font-size-sm);
  border-radius: var(--radius-sm);
  transition: background var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out);
}
.nav-drop-menu a:hover,
.nav-drop-menu a:focus-visible {
  background: var(--accent-soft);
  color: var(--text);
}
.nav-drop-menu a.is-active,
.nav-drop-menu a[aria-current="page"] {
  color: var(--text);
  background: var(--accent-soft);
}

.lang-btn {
  background: transparent;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  letter-spacing: 0.04em;
  min-height: 40px;
  border: 1px solid var(--line);
  transition: background var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out);
}
.lang-btn:hover {
  background: rgba(232, 226, 212, 0.04);
  border-color: var(--line-strong);
}
.lang-menu {
  top: calc(100% + 8px);
  background: var(--surface-elevated);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  min-width: 160px;
  box-shadow: var(--shadow-md);
  transition: opacity var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out), visibility var(--duration-fast);
  z-index: var(--z-dropdown);
}
.lang-menu li {
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
}
.lang-menu li:hover,
.lang-menu li:focus-visible {
  background: var(--accent-soft);
  color: var(--text);
  outline: var(--focus-ring);
  outline-offset: -2px;
}

.account-bar {
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

.nav-toggle {
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  transition: background var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out);
}
.nav-toggle:hover {
  background: rgba(232, 226, 212, 0.05);
  border-color: var(--line-strong);
}
.nav-toggle[aria-expanded="true"] {
  background: var(--accent-soft);
  border-color: rgba(47, 155, 255, 0.4);
}
.nav-toggle .icon { width: 22px; height: 22px; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: var(--font-size-sm);
  line-height: 1.2;
  letter-spacing: 0.02em;
  transition:
    transform var(--duration-fast) var(--ease-out),
    box-shadow var(--duration-fast) var(--ease-out),
    background var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out),
    color var(--duration-fast) var(--ease-out);
}
.btn:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-offset);
}
.btn-primary {
  background: var(--accent);
  color: var(--on-accent);
  box-shadow: var(--shadow-accent);
  border: 1px solid transparent;
}
.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(47, 155, 255, 0.28);
  color: var(--on-accent);
}
.btn-primary:active {
  transform: translateY(0);
  background: #2f9bff;
}
a.btn-primary,
a.btn-primary:hover,
a.btn-primary:visited {
  color: var(--on-accent);
}
.btn-ghost {
  background: transparent;
  border: 1px solid var(--line-strong);
  color: var(--text);
  box-shadow: none;
}
.btn-ghost:hover {
  background: var(--accent-soft);
  border-color: rgba(47, 155, 255, 0.45);
  transform: translateY(-1px);
}
.btn-nav {
  padding: 8px 14px;
  font-size: var(--font-size-sm);
  border-radius: var(--radius-sm);
  min-height: 40px;
}

/* Footer visuals live in assets/css/public-footer.css (loaded after this file). */

/* ===== Responsive chrome ===== */
@media (max-width: 1100px) {
  .main-nav { gap: 0; }
  .main-nav > a,
  .nav-drop-btn,
  .nav-link {
    padding: 8px 9px;
    font-size: 0.8125rem;
  }
  .btn-nav { padding: 8px 12px; }
}

@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  .nav-backdrop.is-visible { display: block; }
  .main-nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    z-index: calc(var(--z-nav-overlay) + 1);
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    max-height: 0;
    overflow: hidden;
    padding: 0 5%;
    background: var(--bg-soft);
    border-bottom: 1px solid var(--line-strong);
    box-shadow: var(--shadow-md);
    transition: max-height var(--duration-normal) var(--ease-out), padding var(--duration-normal) var(--ease-out);
  }
  .main-nav.open {
    max-height: min(85vh, 720px);
    padding: 14px 5% 18px;
    overflow-y: auto;
    overscroll-behavior: contain;
  }
  .main-nav > a,
  .nav-drop-btn {
    min-height: 44px;
    padding: 12px 14px;
    font-size: var(--font-size-base);
    font-weight: 600;
  }
  .main-nav > a::after,
  .nav-link::after {
    display: none;
  }
  .nav-drop-menu a {
    padding: 11px 12px;
    min-height: 44px;
    display: flex;
    align-items: center;
  }
  .main-nav .account-bar.account-bar-icons {
    display: flex;
    flex-direction: row;
    width: 100%;
    max-width: 100%;
    align-self: stretch;
    align-items: stretch;
    justify-content: flex-start;
    box-sizing: border-box;
  }
  .main-nav .account-bar-icons .account-bar-seg {
    flex: 1 1 0;
    min-width: 0;
  }
  .main-nav .account-bar-icons .account-bar-icon-btn {
    width: 100%;
    min-width: 0;
    min-height: 44px;
    justify-content: center;
    padding: 12px 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-header::before { opacity: 0.55; }
  .nav-drop-btn .caret { transition: none; }
  .main-nav > a::after,
  .nav-link::after { transition: none; }
  .btn-primary:hover,
  .btn-ghost:hover { transform: none; }
}

/* ===== Cross-page cohesion (downloads + marketing rhythm) ===== */
.dl-page {
  padding: var(--space-10, 48px) 0 var(--space-12, 96px);
}
.dl-page-title {
  font-family: var(--font-display);
  letter-spacing: var(--tracking-tight, -0.03em);
}
.gm-section-title {
  margin: 32px 0 12px;
  font-size: 1.15rem;
}
.gm-linux-note {
  margin: 16px 0 0;
  color: var(--text-dim);
}
.gm-notes {
  margin-top: 36px;
}
.gm-notes h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}
.gm-notes ul {
  margin: 0 0 12px;
  padding-left: 1.2rem;
}
.gm-notes li,
.gm-notes p {
  margin: 0.3rem 0;
}
#main-content {
  scroll-margin-top: calc(var(--header-h) + 12px);
}

.footer-news-ticker-viewport {
  padding-left: clamp(12px, 4vw, 24px);
}

@media (min-width: 861px) and (max-width: 1100px) {
  .dl-tab {
    padding: 10px 12px;
    font-size: 0.86rem;
  }
}