/* =============================================================================
   Miqotul Khoir TV Masjid — Custom Theme
   Ref: BRD-001, BRD-003, TASK-003, TASK-004
   ============================================================================= */

/* --- CSS Variables (Brand Colors — BRD-001) -------------------------------- */
:root {
  --mkt-deep-teal: #075b5e;
  --mkt-primary-teal: #0e9296;
  --mkt-light-teal: #1cc0c5;
  --mkt-gold: #d4a012;
  --mkt-light-gold: #e8c547;
  --mkt-dark-bg: #041e1e;
  --mkt-surface-dark: #082e2e;
  --mkt-surface-light: #0f4343;
  --mkt-text-primary: #f5f5f5;
  --mkt-text-secondary: #b0c9c6;
  --mkt-text-muted: #739a95;
  --mkt-logo-bg-brown: #f4efd8;

  /* Spacing & UI helpers */
  --mkt-radius: 12px;
  --mkt-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
  --mkt-shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.55);
}

/* --- Base & Reset ----------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth; /* GUD-003 */
}

body {
  background-color: var(--mkt-dark-bg);
  color: var(--mkt-text-primary);
  font-family:
    "Segoe UI",
    system-ui,
    -apple-system,
    sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
}

/* --- Link ------------------------------------------------------------------- */
a {
  color: var(--mkt-light-teal);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--mkt-light-gold);
}

/* --- Typography Helpers ----------------------------------------------------- */
.mkt-text-primary {
  color: var(--mkt-text-primary) !important;
}
.mkt-text-secondary {
  color: var(--mkt-text-secondary) !important;
}
.mkt-text-muted {
  color: var(--mkt-text-muted) !important;
}
.mkt-text-gold {
  color: var(--mkt-gold) !important;
}
.mkt-text-teal {
  color: var(--mkt-light-teal) !important;
}

/* --- Background Helpers ----------------------------------------------------- */
.mkt-bg-dark {
  background-color: var(--mkt-dark-bg);
}
.mkt-bg-surface {
  background-color: var(--mkt-surface-dark);
}
.mkt-bg-card {
  background-color: var(--mkt-surface-light);
}

/* --- Navbar ----------------------------------------------------------------- */
.navbar-mkt {
  background-color: var(--mkt-surface-dark);
  border-bottom: 1px solid rgba(28, 192, 197, 0.15);
  transition:
    background-color 0.3s ease,
    box-shadow 0.3s ease;
}

.navbar-mkt.scrolled {
  background-color: rgba(4, 30, 30, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: var(--mkt-shadow);
}

.navbar-mkt .navbar-brand {
  color: var(--mkt-text-primary);
  font-weight: 700;
  font-size: 1.0625rem;
  letter-spacing: -0.01em;
}

.navbar-mkt .navbar-brand:hover {
  color: var(--mkt-light-teal);
}

.logo-mktv-badge {
  background-color: var(--mkt-logo-bg-brown);
  border-radius: 999px;
  padding: 0.2rem;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.22);
}

.navbar-mkt .nav-link {
  color: var(--mkt-text-secondary);
  font-size: 0.9rem;
  padding-left: 0.9rem;
  padding-right: 0.9rem;
}

.navbar-mkt .nav-link:hover,
.navbar-mkt .nav-link:focus {
  color: var(--mkt-light-teal);
}

.navbar-mkt .navbar-toggler {
  border-color: rgba(28, 192, 197, 0.4);
}

.navbar-mkt .navbar-toggler-icon {
  filter: invert(1);
}

/* --- Buttons ---------------------------------------------------------------- */
.btn-mkt-primary {
  background-color: var(--mkt-gold);
  color: var(--mkt-dark-bg);
  border: none;
  border-radius: var(--mkt-radius);
  font-weight: 700;
  padding: 0.625rem 1.5rem;
  transition:
    background-color 0.2s ease,
    transform 0.15s ease,
    box-shadow 0.2s ease;
}

.btn-mkt-primary:hover,
.btn-mkt-primary:focus {
  background-color: var(--mkt-light-gold);
  color: var(--mkt-dark-bg);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(212, 160, 18, 0.35);
}

.btn-mkt-outline {
  background-color: transparent;
  color: var(--mkt-light-teal);
  border: 2px solid var(--mkt-light-teal);
  border-radius: var(--mkt-radius);
  font-weight: 600;
  padding: 0.5rem 1.25rem;
  transition: all 0.2s ease;
}

.btn-mkt-outline:hover,
.btn-mkt-outline:focus {
  background-color: var(--mkt-light-teal);
  color: var(--mkt-dark-bg);
}

/* --- Badges ----------------------------------------------------------------- */
.badge-mkt {
  background-color: rgba(28, 192, 197, 0.15);
  color: var(--mkt-light-teal);
  border: 1px solid rgba(28, 192, 197, 0.35);
  border-radius: 2rem;
  padding: 0.3rem 0.9rem;
  font-size: 0.8125rem;
  font-weight: 600;
  display: inline-block;
}

.badge-mkt-gold {
  background-color: rgba(212, 160, 18, 0.12);
  color: var(--mkt-light-gold);
  border: 1px solid rgba(212, 160, 18, 0.3);
  border-radius: 2rem;
  padding: 0.3rem 0.9rem;
  font-size: 0.8125rem;
  font-weight: 600;
  display: inline-block;
}

/* --- Feature Cards --------------------------------------------------------- */
.card-mkt {
  background-color: var(--mkt-surface-light);
  border: 1px solid rgba(28, 192, 197, 0.18);
  border-radius: var(--mkt-radius);
  box-shadow: var(--mkt-shadow);
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
}

.card-mkt:hover {
  transform: translateY(-4px);
  box-shadow: var(--mkt-shadow-lg);
}

.card-mkt .card-icon {
  font-size: 2rem;
  color: var(--mkt-light-teal);
  line-height: 1;
}

.card-mkt .card-icon.icon-gold {
  color: var(--mkt-gold);
}

/* --- Section Layout -------------------------------------------------------- */
.section-mkt {
  padding: 5rem 0;
}

.section-mkt-alt {
  padding: 5rem 0;
  background-color: var(--mkt-surface-dark);
}

.section-title {
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--mkt-text-primary);
  margin-bottom: 0.75rem;
}

.section-subtitle {
  color: var(--mkt-text-secondary);
  font-size: 1rem;
  max-width: 640px;
}

/* Divider accent line */
.section-divider {
  width: 48px;
  height: 4px;
  background-color: var(--mkt-gold);
  border-radius: 2px;
  margin-bottom: 1.25rem;
}

/* --- Hero ------------------------------------------------------------------- */
.hero-mkt {
  background: linear-gradient(
    135deg,
    var(--mkt-dark-bg) 0%,
    var(--mkt-surface-dark) 55%,
    var(--mkt-deep-teal) 100%
  );
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px; /* Kompensasi navbar sticky */
}

.hero-mkt h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
  color: var(--mkt-text-primary);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.hero-mkt .lead {
  color: var(--mkt-text-secondary);
  font-size: 1.125rem;
}

/* --- TV Mockup Frame ------------------------------------------------------- */
.tv-frame {
  background-color: var(--mkt-surface-dark);
  border: 3px solid rgba(28, 192, 197, 0.3);
  border-radius: 16px;
  padding: 1rem 1rem 0.5rem;
  box-shadow: var(--mkt-shadow-lg);
}

.tv-frame::after {
  content: "";
  display: block;
  width: 40%;
  height: 8px;
  background-color: var(--mkt-surface-light);
  border-radius: 4px;
  margin: 0.5rem auto 0;
}

.tv-screen {
  aspect-ratio: 16 / 9;
  width: 100%;
  background-color: var(--mkt-dark-bg);
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tv-screen img {
  width: 100%;
  height: 100%;
  object-fit: contain; /* TASK-018 */
}

/* --- Screenshot Grid ------------------------------------------------------- */
.screenshot-container {
  aspect-ratio: 16 / 9;
  background-color: var(--mkt-surface-dark);
  border-radius: var(--mkt-radius);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.screenshot-container img {
  width: 100%;
  height: 100%;
  object-fit: contain; /* TASK-018 */
}

/* Placeholder visual jika screenshot belum tersedia (TASK-017) */
.screenshot-placeholder {
  aspect-ratio: 16 / 9;
  background: linear-gradient(
    135deg,
    var(--mkt-surface-dark),
    var(--mkt-deep-teal)
  );
  border-radius: var(--mkt-radius);
  border: 1px dashed rgba(28, 192, 197, 0.3);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--mkt-text-muted);
  font-size: 0.875rem;
  gap: 0.5rem;
}

.screenshot-placeholder i {
  font-size: 2.5rem;
  opacity: 0.45;
}

/* --- How-It-Works Steps ---------------------------------------------------- */
.step-number {
  width: 48px;
  height: 48px;
  min-width: 48px;
  background-color: var(--mkt-primary-teal);
  color: var(--mkt-text-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.125rem;
  box-shadow: 0 2px 12px rgba(14, 146, 150, 0.4);
}

/* --- CTA Section ----------------------------------------------------------- */
.cta-section {
  background: linear-gradient(
    135deg,
    var(--mkt-deep-teal),
    var(--mkt-surface-dark)
  );
  padding: 5rem 0;
}

/* --- Footer ----------------------------------------------------------------- */
.footer-mkt {
  background-color: var(--mkt-dark-bg);
  border-top: 1px solid rgba(28, 192, 197, 0.12);
  padding: 2.5rem 0;
  color: var(--mkt-text-muted);
  font-size: 0.875rem;
}

.footer-mkt a {
  color: var(--mkt-text-secondary);
}

.footer-mkt a:hover {
  color: var(--mkt-light-teal);
}

/* --- Responsive Tweaks ----------------------------------------------------- */
@media (max-width: 767.98px) {
  .section-mkt,
  .section-mkt-alt,
  .cta-section {
    padding: 3rem 0;
  }

  .hero-mkt {
    min-height: auto;
    padding: 100px 0 3rem;
  }

  .section-title {
    font-size: 1.5rem;
  }
}

@media (min-width: 1400px) {
  .hero-mkt {
    padding-top: 88px;
  }
}

/* ==========================================================================
   Panduan Pengguna — Utility Classes (TASK-026 / TASK-027)
   Semua token mengacu ke :root CSS variables — tidak ada hardcoded value.
   ========================================================================== */

/* --- Callout / note boxes (menggantikan inline border-left styles) --- */
.guide-callout {
  background: rgba(14, 146, 150, 0.07);
  border-left: 3px solid var(--mkt-primary-teal);
  border-radius: 0 var(--mkt-radius) var(--mkt-radius) 0;
  padding: 1rem 1.25rem;
}
.guide-callout-warn {
  background: rgba(224, 92, 92, 0.07);
  border-left: 3px solid rgba(224, 92, 92, 0.6);
  border-radius: 0 var(--mkt-radius) var(--mkt-radius) 0;
  padding: 1rem 1.25rem;
}
.guide-callout-gold {
  background: rgba(212, 160, 18, 0.07);
  border-left: 3px solid rgba(212, 160, 18, 0.4);
  border-radius: 0 var(--mkt-radius) var(--mkt-radius) 0;
  padding: 1rem 1.25rem;
}

/* --- Device type badge chips --- */
.guide-device-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.7rem;
  border-radius: 2rem;
}
.guide-device-badge-tv {
  background: rgba(28, 192, 197, 0.12);
  color: var(--mkt-light-teal);
  border: 1px solid rgba(28, 192, 197, 0.3);
}
.guide-device-badge-touch {
  background: rgba(232, 197, 71, 0.12);
  color: var(--mkt-light-gold);
  border: 1px solid rgba(232, 197, 71, 0.3);
}

/* --- Screenshot figures untuk halaman panduan --- */
.guide-figure {
  margin: 0;
}
.guide-figure figcaption {
  font-size: 0.8125rem;
  color: var(--mkt-text-muted);
  text-align: center;
  margin-top: 0.5rem;
  line-height: 1.4;
}
.guide-figure-sm .screenshot-container,
.guide-figure-sm .screenshot-placeholder {
  border-radius: 8px;
  border: 1px solid rgba(28, 192, 197, 0.18);
}
.guide-figure-sm figcaption {
  font-size: 0.775rem;
}

/* Mini label konteks sebelum screenshot */
.guide-screenshot-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--mkt-text-muted);
  margin-bottom: 0.5rem;
}

/* --- Accordion dark-theme override (TASK-026 — dipindah dari panduan.html inline <style>) --- */
.accordion-item {
  background-color: var(--mkt-surface-light);
  border: 1px solid rgba(28, 192, 197, 0.18);
  border-radius: var(--mkt-radius) !important;
  overflow: hidden;
}
.accordion-button {
  background-color: var(--mkt-surface-light);
  color: var(--mkt-text-primary);
  font-weight: 600;
  box-shadow: none !important;
}
.accordion-button:not(.collapsed) {
  background-color: var(--mkt-deep-teal);
  color: var(--mkt-text-primary);
}
.accordion-button::after {
  filter: invert(1) brightness(1.5);
}
.accordion-button:focus {
  box-shadow: 0 0 0 2px rgba(28, 192, 197, 0.35) !important;
}
.accordion-body {
  background-color: var(--mkt-surface-light);
  color: var(--mkt-text-secondary);
}

/* --- Guide separator between settings submenu items --- */
.guide-menu-separator {
  border-top: 1px solid rgba(28, 192, 197, 0.15);
  padding-top: 2rem;
}

/* --- Responsive tweak khusus panduan pada mobile --- */
@media (max-width: 767.98px) {
  .guide-callout,
  .guide-callout-warn,
  .guide-callout-gold {
    padding: 0.75rem 1rem;
  }
}