/* ==========================================================================
   MESTRO brand override — primary #FF7F00 · #202B9E
   Loaded after journal.css / nav-override.css
   ========================================================================== */

:root {
  --mestro-orange: #ff7f00;
  --mestro-orange-deep: color-mix(in oklab, #ff7f00 72%, black);
  --mestro-orange-soft: color-mix(in oklab, #ff7f00 18%, white);
  --mestro-indigo: #202b9e;
  --mestro-indigo-deep: color-mix(in oklab, #202b9e 78%, black);
  --mestro-indigo-soft: color-mix(in oklab, #202b9e 14%, white);

  /* Accent aliases (legacy *-gold names → Mestro orange) */
  --mestro-gold: var(--mestro-orange);
  --mestro-gold-deep: var(--mestro-orange-deep);
  --mestro-gold-soft: var(--mestro-orange-soft);
  --mestro-accent: var(--mestro-orange);
  --mestro-accent-strong: var(--mestro-orange-deep);
  --mestro-on-accent: #ffffff;

  --mestro-night: var(--mestro-indigo);
  --mestro-night-deep: var(--mestro-indigo-deep);
  --mestro-night-elevated: color-mix(in oklab, #202b9e 82%, white);

  --mestro-ink: color-mix(in oklab, #202b9e 72%, black);
  --mestro-ink-soft: color-mix(in oklab, #202b9e 55%, black);
  --mestro-ink-mid: color-mix(in oklab, #202b9e 42%, #4a5568);
  --mestro-paper: color-mix(in oklab, #202b9e 4%, #ffffff);
  --mestro-paper-soft: color-mix(in oklab, #202b9e 7%, #f4f5fb);
  --mestro-line: color-mix(in oklab, #202b9e 16%, #e4e7f2);
  --mestro-muted: color-mix(in oklab, #202b9e 28%, #6b7280);
  --mestro-cyan: color-mix(in oklab, #202b9e 22%, #d8dcec);
  --mestro-sky: color-mix(in oklab, #202b9e 12%, #eef0f8);
}

/* —— Hero photo background —— */
body.page-home .mestro-hero--night,
.mestro-hero--night {
  background: var(--mestro-indigo-deep);
}

.mestro-hero--photo .mestro-hero__photo {
  display: block;
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  z-index: 0;
}

.mestro-hero--photo .mestro-hero__scrim {
  display: block;
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(
      105deg,
      color-mix(in oklab, var(--mestro-indigo-deep) 88%, transparent) 0%,
      color-mix(in oklab, var(--mestro-indigo) 62%, transparent) 42%,
      color-mix(in oklab, #0a1028 48%, transparent) 100%
    ),
    linear-gradient(
      180deg,
      color-mix(in oklab, var(--mestro-indigo-deep) 35%, transparent) 0%,
      transparent 28%,
      color-mix(in oklab, var(--mestro-indigo-deep) 55%, transparent) 100%
    );
}

.mestro-hero--photo .mestro-hero__canvas {
  z-index: 2;
}

.mestro-hero--photo .mestro-hero__mist--a {
  background: radial-gradient(
    circle at 40% 40%,
    color-mix(in oklab, var(--mestro-indigo) 28%, transparent),
    transparent 68%
  );
}

.mestro-hero--photo .mestro-hero__mist--b {
  background: radial-gradient(
    circle at 50% 45%,
    color-mix(in oklab, var(--mestro-orange) 22%, transparent),
    transparent 70%
  );
}

.mestro-hero--night .mestro-hero__title-sub {
  color: color-mix(in oklab, var(--mestro-orange) 82%, white);
}

.mestro-hero__title-mid {
  display: block;
  max-width: none;
  font-family: var(--mestro-font-display);
  font-size: clamp(2.05rem, 4.6vw, 3.35rem);
  font-weight: 700;
  line-height: 0.98;
  letter-spacing: -0.04em;
}

.mestro-hero--night .mestro-hero__title-mid {
  color: color-mix(in oklab, var(--mestro-white) 96%, #d6d6d6);
}

.mestro-hero--night .mestro-hero__title-main {
  max-width: none;
}

/* MESTRO watermark sits just above "Mechanical and Electrical" */
.mestro-hero__copy .mestro-hero__watermark {
  top: 0.05em;
}

.mestro-hero__eyebrow--oa {
  gap: 0.55rem;
}

.mestro-hero__oa-logo {
  display: block;
  width: 1.55rem;
  height: 1.55rem;
  flex-shrink: 0;
  object-fit: contain;
}

.mestro-hero--night .mestro-hero__rule {
  background: linear-gradient(90deg, var(--mestro-orange), var(--mestro-indigo-soft));
}

.mestro-hero--night .mestro-hero__eyebrow-dot,
.mestro-hero--night .mestro-hero__signal-label {
  color: var(--mestro-orange);
}

.mestro-hero--night .mestro-hero__signal-metric {
  color: var(--mestro-orange);
}

.mestro-hero--night .mestro-hero__signal-panel {
  border-color: color-mix(in oklab, var(--mestro-orange) 35%, transparent);
  background: color-mix(in oklab, var(--mestro-indigo) 35%, transparent);
}

.mestro-hero--night .mestro-hero__signal-row {
  background: color-mix(in oklab, var(--mestro-indigo-deep) 72%, transparent);
  border-color: color-mix(in oklab, white 12%, transparent);
}

.mestro-hero--night .mestro-hero__signal-row:hover {
  background: color-mix(in oklab, var(--mestro-indigo) 78%, var(--mestro-orange));
}

/* Hero right column: transparent PNG, no frame */
.mestro-hero__signal--visual {
  align-self: center;
  max-width: none;
}

.mestro-hero__visual {
  margin: 0;
  height: auto;
  min-height: 0;
  border: 0;
  border-radius: 15px;
  overflow: visible;
  box-shadow: none;
  background: transparent;
}

.mestro-hero__visual-img {
  display: block;
  width: 100%;
  max-width: 36rem;
  height: auto;
  aspect-ratio: 16 / 9;
  margin-inline: auto;
  object-fit: cover;
  object-position: center;
  background: transparent;
  border-radius: 15px;
}

@media (max-width: 899px) {
  .mestro-hero__visual-img {
    max-width: 100%;
  }
}

/* Header + accents */
.mestro-header {
  background: color-mix(in oklab, var(--mestro-indigo-deep) 92%, transparent);
  border-bottom-color: color-mix(in oklab, var(--mestro-orange) 28%, transparent);
}

/* Shared CTA chrome — match .mestro-current__open shape/color; keep each button's own type */
.mestro-nav-auth--register,
.mestro-btn--gold,
.mestro-btn.mestro-btn--gold,
.mestro-btn--soft,
.mestro-btn.mestro-btn--soft,
.mestro-current__open,
.mestro-article__actions .obj_galley_link,
.mestro-article__actions a.obj_galley_link,
.mestro-current__articles-list .mestro-article__actions .obj_galley_link,
.mestro-current__articles-list .mestro-article__actions a.obj_galley_link,
.mestro-article__actions a.obj_galley_link.pdf,
a.obj_galley_link.pdf {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  border: 0 !important;
  border-radius: 1.2rem !important;
  background: var(--mestro-orange) !important;
  color: #fff !important;
  text-decoration: none !important;
  box-shadow: none !important;
  transition: background 0.2s var(--mestro-ease), color 0.2s var(--mestro-ease) !important;
}

/* White hover — View issue, Register, Contact Us */
.mestro-nav-auth--register:hover,
.mestro-nav-auth--register:focus,
.mestro-nav-auth--register:focus-visible,
.mestro-btn--soft:hover,
.mestro-btn--soft:focus,
.mestro-btn--soft:focus-visible,
.mestro-btn.mestro-btn--soft:hover,
.mestro-btn.mestro-btn--soft:focus,
.mestro-current__open:hover,
.mestro-current__open:focus-visible,
.mestro-mobile__auth a.mestro-btn--gold:hover,
.mestro-mobile__auth a.mestro-btn--gold:focus {
  background: #fff !important;
  border-color: transparent !important;
  color: var(--mestro-indigo) !important;
  filter: none !important;
  transform: none !important;
  text-decoration: none !important;
}

/* Dark hover — Author Guidelines, PDF */
.mestro-btn--gold:hover,
.mestro-btn--gold:focus,
.mestro-btn--gold:focus-visible,
.mestro-btn.mestro-btn--gold:hover,
.mestro-btn.mestro-btn--gold:focus,
.mestro-article__actions .obj_galley_link:hover,
.mestro-article__actions .obj_galley_link:focus,
.mestro-article__actions a.obj_galley_link:hover,
.mestro-article__actions a.obj_galley_link:focus,
.mestro-current__articles-list .mestro-article__actions .obj_galley_link:hover,
.mestro-current__articles-list .mestro-article__actions .obj_galley_link:focus,
.mestro-current__articles-list .mestro-article__actions a.obj_galley_link:hover,
.mestro-current__articles-list .mestro-article__actions a.obj_galley_link:focus,
.mestro-article__actions a.obj_galley_link.pdf:hover,
.mestro-article__actions a.obj_galley_link.pdf:focus,
a.obj_galley_link.pdf:hover,
a.obj_galley_link.pdf:focus {
  background: #1a216a !important;
  border-color: transparent !important;
  color: #fff !important;
  filter: none !important;
  transform: none !important;
  text-decoration: none !important;
}

.mestro-issue-band,
.mestro-desk,
.mestro-updates__panel,
.me-cta,
.mestro-cta {
  border-color: color-mix(in oklab, var(--mestro-indigo) 12%, transparent);
}

.mestro-footer {
  background: var(--mestro-indigo-deep);
  border-top: 0;
}

.mestro-footer__heading {
  color: rgba(255, 255, 255, 1) !important;
}
.mestro-eyebrow,
.mestro-updates__panel-kicker {
  color: var(--mestro-orange) !important;
}

/* —— Page Header Logo (OJS: Settings > Website > Appearance > Setup) ——
   !important beats body.mestro-theme img { height: auto } (higher element specificity). */
.mestro-brand {
  gap: 0;
}

body.mestro-theme .mestro-brand__logo {
  display: block !important;
  width: auto !important;
  height: 2.85rem !important; /* ~45.6px — change this to resize */
  max-width: 12.5rem !important; /* ~200px */
  object-fit: contain !important;
  object-position: left center;
}

body.mestro-theme .mestro-brand__logo--mobile {
  height: 2.25rem !important;
  max-width: 10rem !important;
}

@media (max-width: 640px) {
  body.mestro-theme .mestro-brand__logo {
    height: 2.35rem !important;
    max-width: 9.5rem !important;
  }
}