/*
 * THE MERIDIAN — mobile.css
 * Mobile-first responsive overrides for all pages.
 * Loaded on every page after style.css.
 * Three breakpoints:
 *   960px  — tablet / small laptop
 *   768px  — large phone / small tablet
 *   480px  — phone
 */

/* ═══════════════════════════════════════════════════════════
   GLOBAL — prevents any element from causing horizontal scroll
   ═══════════════════════════════════════════════════════════ */
html, body {
  overflow-x: hidden;
  max-width: 100%;
}

* {
  min-width: 0; /* allows flex/grid children to shrink below content size */
}

img, video, canvas, iframe {
  max-width: 100%;
  height: auto;
}

/* ═══════════════════════════════════════════════════════════
   960px — TABLET
   ═══════════════════════════════════════════════════════════ */
@media (max-width: 960px) {

  /* ── GLOBAL CONTAINER ──────────────────────────── */
  .container,
  .container--narrow {
    padding: 0 1.5rem;
  }

  /* ── MASTHEAD (all pages) ──────────────────────── */
  .masthead__top {
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding-bottom: 1.5rem;
  }
  .masthead__meta { text-align: center !important; }
  /* Nav row: allow toggle to wrap below on narrow screens */
  .nav-row {
    flex-wrap: wrap;
    gap: 0.5rem;
  }
  .nav-row .nav { flex: 1 1 100%; }

  /* ── HOMEPAGE HERO ─────────────────────────────── */
  .hero__inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .hero__sidebar {
    border-left: none;
    border-top: 1px solid var(--rule);
    padding-left: 0;
    padding-top: 2rem;
  }

  /* ── THESIS ────────────────────────────────────── */
  .thesis__inner {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  /* ── DISPATCHES ────────────────────────────────── */
  .dispatches__grid {
    grid-template-columns: 1fr 1fr !important; /* override inline style */
  }

  /* ── SIGNAL BANDS ──────────────────────────────── */
  .signal-bands {
    grid-template-columns: repeat(2, 1fr);
  }

  /* ── SUBSCRIBE ─────────────────────────────────── */
  .subscribe__inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  /* ── ABOUT ─────────────────────────────────────── */
  .about-wrap {
    grid-template-columns: 1fr !important;
    gap: 2rem;
  }
  .about-sidebar {
    position: static;
    padding-top: 0;
  }

  /* ── CONTACT ───────────────────────────────────── */
  .contact-wrap {
    grid-template-columns: 1fr !important;
    gap: 2rem;
    padding: 3rem 1.5rem 4rem;
  }
  .contact-sidebar { position: static; }

  /* ── ESSAYS ────────────────────────────────────── */
  .essay-featured {
    grid-template-columns: 1fr !important;
  }
  .essay-featured__main {
    border-right: none;
    border-bottom: 1px solid var(--rule);
  }

  /* ── FRAMEWORKS ────────────────────────────────── */
  .frameworks-wrap {
    grid-template-columns: 1fr !important;
    gap: 0;
  }
  .frameworks-nav { display: none; }
  .frameworks-main { padding: 2rem 0 0; }
  .fw-card__content {
    grid-template-columns: 1fr !important;
    padding-left: 1.5rem;
  }
  .fw-card__header {
    grid-template-columns: 50px 1fr auto !important;
    gap: 1rem;
  }

  /* ── ARTICLE LAYOUT (all article pages) ───────── */
  .article-hero {
    padding: 4rem 1.5rem 2.5rem;
  }
  .article-layout {
    grid-template-columns: 1fr !important;
    gap: 2rem !important;
    padding: 0 1.5rem 4rem !important;
  }
  .article-body {
    padding: 0;
    max-width: 100%;
  }
  .article-body p,
  .article-body p.intro {
    font-size: 1.05rem;
    line-height: 1.8;
  }
  .sidebar {
    position: static !important;
    order: 1; /* sidebar below content on mobile */
  }

  /* ── DASHBOARD ─────────────────────────────────── */
  .dashboard { padding: 0 1.5rem; }

  /* Inline grid divs inside metr-card and trust-card */
  .metr-card > div[style*="grid"],
  .trust-card > div[style*="grid"] {
    display: block !important;
  }
  .metr-card > div[style*="grid"] > div,
  .trust-card > div[style*="grid"] > div {
    width: 100%;
    margin-bottom: 2rem;
  }

  .debt-grid {
    grid-template-columns: 1fr !important;
  }
  .thesis-callout {
    grid-template-columns: 1fr !important;
  }

  /* ── DASHBOARD NAMED INNER GRIDS ──────────────── */
  .metr-card__inner,
  .trust-card__inner {
    display: block !important;
  }
  .metr-card__inner > div,
  .trust-card__inner > div {
    width: 100%;
    margin-bottom: 2rem;
  }
  .metr-card__inner > div:last-child,
  .trust-card__inner > div:last-child {
    margin-bottom: 0;
  }

}


/* ═══════════════════════════════════════════════════════════
   768px — LARGE PHONE / SMALL TABLET
   ═══════════════════════════════════════════════════════════ */
@media (max-width: 768px) {

  /* ── BASE FONT ─────────────────────────────────── */
  body { font-size: 16px; }

  /* ── GLOBAL CONTAINER ──────────────────────────── */
  .container,
  .container--narrow {
    padding: 0 1.2rem;
  }

  /* ── MASTHEAD (all pages) ──────────────────────── */
  .masthead { padding: 1.5rem 0 0; }
  .masthead__title { font-size: clamp(2.4rem, 14vw, 4rem); }
  .masthead__meta { font-size: 0.55rem; }
  .masthead__wordmark { padding: 0; }

  /* ── NAV ROW ────────────────────────────────────── */
  .nav-row {
    flex-wrap: nowrap;
    align-items: center;
    padding: 0.4rem 0;
  }
  .nav-row .nav { flex: 1 1 auto; padding: 0.4rem 0; overflow: hidden; }
  .nav__inner {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    justify-content: flex-start;
    -webkit-mask-image: linear-gradient(to right, black 80%, transparent 100%);
    mask-image: linear-gradient(to right, black 80%, transparent 100%);
  }
  .nav__inner::-webkit-scrollbar { display: none; }
  .nav__link {
    white-space: nowrap;
    font-size: 0.6rem;
    padding: 0.3rem 0.8rem;
  }
  .nav-row .theme-toggle {
    flex-shrink: 0;
    margin-left: 0.5rem;
    padding: 0.3rem 0.5rem;
  }
  .theme-toggle { padding: 0.3rem 0.5rem; }

  /* ── DISPATCHES GRID — stack to single col ─────── */
  .dispatches__grid {
    grid-template-columns: 1fr !important;
  }
  .dispatch-card {
    border-right: none;
    border-bottom: 1px solid var(--rule);
  }
  .dispatch-card:last-child { border-bottom: none; }

  /* ── SIGNAL BANDS — stack to single col ────────── */
  .signal-bands {
    grid-template-columns: 1fr !important;
  }
  .signal-band {
    border-right: none;
    border-bottom: 1px solid var(--rule);
  }

  /* ── ARTICLE PAGES ─────────────────────────────── */
  .article-hero { padding: 3rem 1.2rem 2rem; }
  .article-hero__title { font-size: clamp(1.8rem, 7vw, 2.8rem); }
  .article-layout { padding: 0 1.2rem 3rem !important; }
  .article-body p { font-size: 1rem; line-height: 1.8; }
  .article-footer__inner {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  /* ── DASHBOARD GRIDS ───────────────────────────── */
  .metr-row {
    grid-template-columns: 70px 1fr 80px !important;
    gap: 0.8rem;
    font-size: 0.75rem;
  }
  .trust-row {
    grid-template-columns: 1fr !important;
    gap: 0.4rem;
  }
  .trust-row__bar-wrap { display: none; } /* bar too compressed, show score only */

  /* ── FOOTER ────────────────────────────────────── */
  .footer__inner { grid-template-columns: 1fr; gap: 2rem; }
  .footer__bottom { flex-direction: column; gap: 1rem; text-align: center; }
  .footer__social { justify-content: center; }
  .footer { padding: 2rem 0; }
}


/* ═══════════════════════════════════════════════════════════
   480px — PHONE
   ═══════════════════════════════════════════════════════════ */
@media (max-width: 480px) {

  /* ── CONTAINER ─────────────────────────────────── */
  .container,
  .container--narrow {
    padding: 0 1rem;
  }

  /* ── MASTHEAD ──────────────────────────────────── */
  .masthead__title { font-size: clamp(2rem, 16vw, 3rem); }

  /* ── HERO ──────────────────────────────────────── */
  .hero { padding: 3rem 0 2rem; }
  .hero__title { font-size: clamp(1.8rem, 9vw, 2.8rem); }
  .hero__standfirst { font-size: 0.95rem; }

  /* ── ARTICLE ───────────────────────────────────── */
  .article-hero { padding: 3rem 1rem 1.5rem; }
  .article-layout { padding: 0 1rem 3rem !important; }
  .article-body p { font-size: 0.975rem; }
  .article-hero__title { font-size: clamp(1.6rem, 8vw, 2.4rem); }

  /* ── DISPATCHES ────────────────────────────────── */
  .dispatch-card { padding: 1.5rem 1rem; }

  /* ── SUBSCRIBE FORM ────────────────────────────── */
  .subscribe__input-row { flex-direction: column; gap: 0.8rem; }
  .subscribe__input { width: 100%; }
  .subscribe__btn { width: 100%; }

  /* ── DASHBOARD ─────────────────────────────────── */
  .dashboard-section { padding: 2rem 0; }
  .metric-cards { gap: 0.8rem; }
  .metric-card { padding: 1.2rem 1rem; }
  .metric-card__value { font-size: clamp(1.4rem, 7vw, 2rem); }

  .metr-row {
    grid-template-columns: 60px 1fr 60px !important;
    gap: 0.5rem;
    font-size: 0.7rem;
  }
  .metr-row__date { font-size: 0.55rem; }

  /* ── ESSAYS ────────────────────────────────────── */
  .essay-card { padding: 1.5rem 1rem; }

  /* ── FRAMEWORKS ────────────────────────────────── */
  .fw-card__header {
    grid-template-columns: 40px 1fr !important;
    gap: 0.8rem;
  }
  .fw-card__num { font-size: 1.2rem; }

  /* ── FOOTER ────────────────────────────────────── */
  .footer__nav { flex-direction: column; align-items: center; gap: 0.8rem; }
}


/* ═══════════════════════════════════════════════════════════
   DASHBOARD.HTML — dashboard-specific mobile overrides
   ═══════════════════════════════════════════════════════════ */

@media (max-width: 960px) {

  /* ── PAGE HEADER ────────────────────────────────────── */
  .page-header { padding: 2.5rem 1.5rem 1.5rem; }

  /* ── SECTION HEADER NOTE — allow wrapping ──────────── */
  .section-header {
    flex-wrap: wrap;
    gap: 0.5rem;
  }
  .section-header__note { flex-basis: 100%; }

}

@media (max-width: 768px) {

  /* ── PAGE HEADER ────────────────────────────────────── */
  .page-header { padding: 2rem 1.2rem 1.2rem; }
  .page-header__meta { flex-direction: column; gap: 0.4rem; }

  /* ── "HOW TO READ" PANEL — stack 2-col grid ─────────── */
  .how-to-read__content {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  /* ── MASTHEAD LIVE DOT — hide on small screens ───────── */
  .masthead__live { display: none; }

  /* ── THESIS CALLOUT ─────────────────────────────────── */
  .thesis-callout { padding: 1.2rem 1rem; }

  /* ── DASHBOARD SECTION SPACING ──────────────────────── */
  .dashboard-section { margin-bottom: 2.5rem; }
  .dashboard { padding-bottom: 3rem; }

  /* ── TOUCH TARGETS: currency toggle buttons ─────────── */
  .currency-toggle button {
    padding: 0.3rem 0.65rem;
    font-size: 0.55rem;
    min-height: 28px;
  }

  /* ── TOUCH TARGETS: chart toggle button ─────────────── */
  .chart-toggle {
    padding: 0.4rem 0.9rem;
    font-size: 0.52rem;
    min-height: 32px;
    margin-top: 1rem;
  }

  /* ── TOUCH TARGETS: chart period tabs ───────────────── */
  .chart-tab {
    padding: 0.3rem 0.7rem;
    font-size: 0.5rem;
    min-height: 28px;
  }

  /* ── TIP / INFO BADGE — slightly larger for tapping ─── */
  .tip {
    width: 16px;
    height: 16px;
    font-size: 0.42rem;
  }

}

@media (max-width: 480px) {

  /* ── PAGE HEADER ────────────────────────────────────── */
  .page-header { padding: 1.5rem 1rem 1rem; }

  /* ── METRIC CARDS — tighter padding ─────────────────── */
  .metric-card { padding: 1.2rem 1rem; }

  /* ── CHART CANVAS — slightly taller for readability ─── */
  .chart-canvas-wrap { height: 170px; }

  /* ── CHART TABS — allow scroll if too many tabs ─────── */
  .chart-tabs {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .chart-tabs::-webkit-scrollbar { display: none; }
  .chart-tab { white-space: nowrap; flex-shrink: 0; }

  /* ── CURRENCY TOGGLE BUTTONS ────────────────────────── */
  .currency-toggle { flex-wrap: wrap; }

}


/* ═══════════════════════════════════════════════════════════
   INDEX.HTML — homepage-specific mobile overrides
   These classes only exist on index.html so are safe to add here.
   ═══════════════════════════════════════════════════════════ */

@media (max-width: 768px) {

  /* ── SECTION PADDING — reduce the desktop 5rem spacing ── */
  .hero       { padding: 2.5rem 0 2rem; }
  .thesis     { padding: 3rem 0; }
  .dispatches { padding: 3rem 0; }
  .signals    { padding: 3rem 0; }
  .manifesto  { padding: 2.5rem 0; }

  /* ── THESIS TEXT — slightly smaller on phone ────────── */
  .thesis__text { font-size: 1.05rem; line-height: 1.7; }

  /* ── PULLQUOTE — scale back the large italic ────────── */
  .pullquote p { font-size: 1.15rem; line-height: 1.55; }

  /* ── HERO STANDFIRST — tighten on phone ─────────────── */
  .hero__standfirst { font-size: 1rem; }

  /* ── HOMEPAGE NAV — horizontal scroll (mirrors inner-page nav) */
  .nav__inner {
    justify-content: flex-start;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    flex-wrap: nowrap;
    -webkit-mask-image: linear-gradient(to right, black 80%, transparent 100%);
    mask-image: linear-gradient(to right, black 80%, transparent 100%);
  }
  .nav__inner::-webkit-scrollbar { display: none; }
  .nav__link {
    white-space: nowrap;
    font-size: 0.6rem;
    padding: 0.3rem 1rem;
  }

}

@media (max-width: 480px) {

  /* ── SECTION PADDING — tightest on small phones ─────── */
  .hero       { padding: 2rem 0 1.5rem; }
  .thesis     { padding: 2.5rem 0; }
  .dispatches { padding: 2.5rem 0; }
  .signals    { padding: 2.5rem 0; }
  .manifesto  { padding: 2rem 0; }

  /* ── THESIS TEXT ─────────────────────────────────────── */
  .thesis__text { font-size: 1rem; }

  /* ── PULLQUOTE ───────────────────────────────────────── */
  .pullquote    { padding: 1.2rem 1.2rem; }
  .pullquote p  { font-size: 1.05rem; }

  /* ── SECTION HEADER — tighten "All Essays →" row ──── */
  .section__header { margin-bottom: 1.8rem; }
  .section__title span { font-size: 1.2rem; }

  /* ── MANIFESTO TEXT ──────────────────────────────────── */
  .manifesto__text { font-size: 1rem; line-height: 1.65; }

}