/* ============================================================
   swx.css — mlspaceweather.org redesign
   Design system layered on self-hosted Bulma 1.0 (variables)
   Palette direction inherited from the original Elementor site:
   deep violet title (#3807A2), cool sky (#6EC1E4), gray text.
   ============================================================ */

:root {
  /* --- scheme (violet tinted light theme) --- */
  --bulma-scheme-h: 258;
  --bulma-scheme-s: 25%;
  --bulma-scheme-main-l: 100%;
  --bulma-scheme-main-bis-l: 98%;
  --bulma-scheme-main-ter-l: 96%;
  --bulma-background-l: 96%;
  --bulma-border-l: 88%;
  --bulma-border-weak-l: 93%;

  /* --- text --- */
  --bulma-text-h: 258deg;
  --bulma-text-s: 20%;
  --bulma-text-l: 34%;
  --bulma-text-strong-l: 18%;
  --bulma-text-weak-l: 48%;
  --bulma-text-title-l: 13%;

  /* --- primary: deep violet #3807A2 --- */
  --bulma-primary-h: 259deg;
  --bulma-primary-s: 91%;
  --bulma-primary-l: 33%;
  --bulma-primary: hsl(259deg 91% 33%);
  --bulma-primary-invert: #ffffff;
  --bulma-primary-light: hsl(259deg 60% 93%);
  --bulma-primary-light-invert: hsl(259deg 70% 24%);
  --bulma-primary-dark: hsl(259deg 72% 24%);
  --bulma-primary-dark-invert: #ffffff;
  --bulma-primary-soft: hsl(259deg 48% 94%);
  --bulma-primary-bold: hsl(259deg 60% 28%);
  --bulma-primary-soft-invert: hsl(259deg 60% 24%);
  --bulma-primary-bold-invert: #ffffff;
  --bulma-primary-on-scheme-l: 33%;

  /* --- link --- */
  --bulma-link-h: 259deg;
  --bulma-link-s: 91%;
  --bulma-link-l: 38%;
  --bulma-link: hsl(259deg 91% 38%);
  --bulma-link-invert: #ffffff;
  --bulma-link-on-scheme-l: 38%;

  /* --- info: cool sky #6EC1E4 --- */
  --bulma-info-h: 199deg;
  --bulma-info-s: 68%;
  --bulma-info-l: 60%;
  --bulma-info: hsl(199deg 68% 60%);
  --bulma-info-invert: hsl(220deg 45% 16%);

  /* --- success (neutral, unused heavily) --- */
  --bulma-success-h: 160deg;
  --bulma-success-s: 60%;
  --bulma-success-l: 40%;

  /* --- type --- */
  --bulma-family-primary: "Roboto", system-ui, -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  --bulma-family-secondary: "Roboto", system-ui, -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;

  /* --- shape --- */
  --bulma-radius-small: 0.25rem;
  --bulma-radius: 0.375rem;
  --bulma-radius-medium: 0.5rem;
  --bulma-radius-large: 0.75rem;

  /* --- depth --- */
  --bulma-shadow: 0 0.5em 1.25em -0.25em hsla(258deg 30% 25% / 0.10);
  --bulma-shadow-sm: 0 0.125em 0.25em hsla(258deg 30% 25% / 0.06);
  --bulma-shadow-md: 0 0.5em 1.75em hsla(258deg 30% 25% / 0.12);
  --bulma-shadow-lg: 0 1.1em 2.4em hsla(258deg 30% 25% / 0.15);

  /* --- site specific tokens --- */
  --swx-ink: hsl(258deg 38% 16%);
  --swx-ink-soft: hsl(258deg 18% 40%);
  --swx-violet: #3807A2;
  --swx-violet-2: #4219D8;
  --swx-sky: #6EC1E4;
  --swx-sky-soft: hsl(199deg 78% 94%);
  --swx-accent: #E053A6;
  --swx-accent-deep: #B7226E;
  --swx-surface: hsl(258deg 44% 97.5%);
  --swx-line: hsl(258deg 26% 89%);
  --swx-script: "Yomogi", "Roboto", cursive;
  --swx-max: 1140px;
}

/* ---------------- base ---------------- */
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

.swx-body {
  font-family: var(--bulma-family-primary);
  color: var(--swx-ink-soft);
  background: #ffffff;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.swx-body h1, .swx-body h2, .swx-body h3, .swx-body h4 {
  font-family: var(--bulma-family-primary);
  color: var(--swx-ink);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

a { color: var(--bulma-link); }
a:focus-visible { outline: 2px solid var(--swx-accent); outline-offset: 3px; border-radius: 2px; }

::selection { background: var(--swx-sky); color: var(--swx-ink); }

/* ---------------- wordmark / eyebrow ---------------- */
.swx-wordmark {
  font-family: var(--swx-script);
  font-weight: 600;
  font-size: 1.7rem;
  line-height: 1;
  color: var(--swx-violet);
  text-decoration: none;
  letter-spacing: 0.01em;
}
.swx-wordmark:hover { color: var(--swx-violet-2); }
.swx-wordmark .swx-dot { color: var(--swx-accent); }

.swx-eyebrow {
  font-family: var(--swx-script);
  font-weight: 600;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  color: var(--swx-violet-2);
}

/* ---------------- navbar ---------------- */
.swx-navbar {
  position: sticky;
  top: 0;
  z-index: 40;
  background: hsla(258deg 44% 100% / 0.9);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--swx-line);
  min-height: 4.25rem;
}
.swx-navbar .navbar-item { font-weight: 600; color: var(--swx-ink-soft); }
.swx-navbar .navbar-item:hover { color: var(--swx-violet); background: transparent; }
.swx-navbar .navbar-item.swx-is-active {
  color: var(--swx-violet);
  box-shadow: inset 0 -2px 0 var(--swx-accent);
}
.swx-navbar .navbar-burger { color: var(--swx-ink); }

/* ---------------- hero ---------------- */
.swx-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(60rem 30rem at 88% -8%, hsl(199deg 78% 92% / 0.9), transparent 60%),
    radial-gradient(50rem 26rem at -8% 108%, hsl(259deg 70% 94% / 0.9), transparent 60%),
    #ffffff;
  padding: 4.5rem 0 5rem;
}
.swx-hero-title {
  font-size: clamp(2.1rem, 4.4vw, 3.4rem);
  font-weight: 900;
  color: var(--swx-ink);
  margin: 0.75rem 0 1.25rem;
}
.swx-hero-title em {
  font-style: normal;
  color: var(--swx-violet);
}
.swx-hero-lede { font-size: 1.125rem; line-height: 1.7; max-width: 36rem; }

.swx-hero-figure {
  position: relative;
  border-radius: var(--bulma-radius-large);
  overflow: hidden;
  box-shadow: var(--bulma-shadow-lg);
  border: 1px solid var(--swx-line);
}
.swx-hero-figure img { display: block; width: 100%; height: auto; }
.swx-hero-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, transparent 55%, hsla(259deg 91% 33% / 0.22));
  pointer-events: none;
}

/* ---------------- buttons ---------------- */
.swx-btn {
  border-radius: var(--bulma-radius);
  border: 1px solid transparent;
  font-weight: 700;
  padding: 0.8em 1.6em;
  height: auto;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease, background-color 160ms ease;
}
.swx-btn:hover { transform: translateY(-2px); }
.swx-btn-primary {
  background: var(--swx-violet);
  color: #ffffff;
  box-shadow: 0 0.4em 1.1em -0.3em hsla(259deg 91% 33% / 0.55);
}
.swx-btn-primary:hover { background: var(--swx-violet-2); color: #ffffff; }
.swx-btn-ghost {
  background: transparent;
  color: var(--swx-violet);
  border: 1.5px solid var(--swx-violet);
}
.swx-btn-ghost:hover { background: var(--bulma-primary-soft); color: var(--swx-violet); }

/* ---------------- sections ---------------- */
.swx-section { padding: 5rem 0; }
.swx-section-alt { background: var(--swx-surface); border-top: 1px solid var(--swx-line); border-bottom: 1px solid var(--swx-line); }

.swx-heading-block { max-width: 46rem; margin: 0 auto 3rem; text-align: center; }
.swx-h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); margin: 0.5rem 0 0.75rem; }
.swx-lede { font-size: 1.05rem; line-height: 1.7; }

/* ---------------- cards ---------------- */
.swx-card {
  background: #ffffff;
  border: 1px solid var(--swx-line);
  border-radius: var(--bulma-radius-medium);
  padding: 1.75rem 1.6rem;
  height: 100%;
  box-shadow: var(--bulma-shadow-sm);
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}
.swx-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--bulma-shadow);
  border-color: hsl(259deg 40% 82%);
}
.swx-card-icon {
  width: 2.6rem; height: 2.6rem;
  border-radius: 0.625rem;
  display: flex; align-items: center; justify-content: center;
  background: var(--swx-sky-soft);
  color: hsl(220deg 45% 28%);
  margin-bottom: 1rem;
}
.swx-card-icon svg { width: 1.4rem; height: 1.4rem; }
.swx-card h3 { font-size: 1.15rem; margin-bottom: 0.5rem; }
.swx-card p { font-size: 0.975rem; line-height: 1.65; margin: 0; }

.swx-card-accent { border-top: 3px solid var(--swx-accent); }

/* ---------------- consortium ---------------- */
.swx-org {
  background: #ffffff;
  border: 1px solid var(--swx-line);
  border-radius: var(--bulma-radius-medium);
  padding: 1.75rem 1.6rem;
  height: 100%;
}
.swx-org h3 { color: var(--swx-violet); font-size: 1.2rem; margin-bottom: 0.5rem; }
.swx-org .swx-org-tag {
  display: inline-block;
  font-family: var(--swx-script);
  font-weight: 600;
  color: var(--swx-accent-deep);
  margin-bottom: 0.6rem;
}

/* ---------------- callout ---------------- */
.swx-callout {
  position: relative;
  overflow: hidden;
  border-radius: var(--bulma-radius-large);
  background: linear-gradient(120deg, hsl(259deg 91% 30%), hsl(263deg 76% 42%));
  color: #ffffff;
  padding: 2.6rem 2.25rem;
}
.swx-callout::after {
  content: "";
  position: absolute;
  right: -4rem; top: -4rem;
  width: 14rem; height: 14rem;
  border-radius: 50%;
  background: radial-gradient(circle, hsla(324deg 69% 60% / 0.5), transparent 70%);
}
.swx-callout h2 { color: #ffffff; margin-bottom: 0.6rem; }
.swx-callout p { color: hsla(258deg 40% 96% / 0.9); max-width: 42rem; }
.swx-callout .swx-btn {
  background: #ffffff; color: var(--swx-violet);
}
.swx-callout .swx-btn:hover { background: var(--swx-sky); color: hsl(220deg 45% 16%); }

/* ---------------- article ---------------- */
.swx-article-header {
  background:
    radial-gradient(46rem 20rem at 50% -10%, hsl(259deg 70% 95%), transparent 65%),
    #ffffff;
  border-bottom: 1px solid var(--swx-line);
  padding: 3.5rem 0 3rem;
}
.swx-article-title { font-size: clamp(1.8rem, 4vw, 2.9rem); font-weight: 900; margin: 0.75rem 0 1rem; }
.swx-article-sub { font-size: 1.15rem; color: var(--swx-ink-soft); max-width: 42rem; }

.swx-prose { font-size: 1.05rem; line-height: 1.8; color: var(--swx-ink-soft); }
.swx-prose h2 {
  font-size: 1.5rem; margin: 2.5rem 0 0.85rem;
  color: var(--swx-ink);
}
.swx-prose h2::before {
  content: "";
  display: inline-block;
  width: 0.85rem; height: 0.85rem;
  border-radius: 3px;
  background: var(--swx-accent);
  margin-right: 0.6rem;
  transform: translateY(-1px);
}
.swx-prose p { margin-bottom: 1.15rem; }
.swx-prose a { font-weight: 600; }
.swx-prose strong { color: var(--swx-ink); }

/* ---------------- footer ---------------- */
.swx-footer {
  background: var(--swx-ink);
  color: hsla(258deg 40% 94% / 0.72);
  padding: 3.5rem 0 2rem;
}
.swx-footer .swx-wordmark { color: #ffffff; }
.swx-footer a { color: hsla(258deg 40% 94% / 0.85); }
.swx-footer a:hover { color: var(--swx-sky); }
.swx-footer .swx-foot-head {
  color: #ffffff; font-weight: 700; font-size: 0.9rem;
  letter-spacing: 0.04em; margin-bottom: 0.8rem;
}
.swx-footer .swx-foot-link { display: block; margin-bottom: 0.5rem; }
.swx-footer-legal {
  border-top: 1px solid hsla(258deg 40% 94% / 0.16);
  margin-top: 2.5rem; padding-top: 1.5rem;
  font-size: 0.9rem; color: hsla(258deg 40% 94% / 0.6);
  text-align: center;
}

/* ---------------- reveal animation ---------------- */
.swx-reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.swx-reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .swx-reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------------- misc ---------------- */
.swx-skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--swx-violet); color: #fff; padding: 0.7em 1.2em; z-index: 1000;
}
.swx-skip:focus { left: 1rem; top: 1rem; }