/* ==========================================================================
   MomenKita — Base Design System
   Dipakai bersama oleh halaman Platform (SaaS) dan Template Undangan.
   Palet: Dark Mode + Gold / Champagne Accent.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design Tokens
   -------------------------------------------------------------------------- */
:root {
  /* Warna dasar */
  --mk-bg: #0b0b0d;
  --mk-surface: #131317;
  --mk-surface-2: #1b1b21;
  --mk-surface-3: #24242b;
  --mk-border: rgba(212, 175, 106, 0.18);
  --mk-border-strong: rgba(212, 175, 106, 0.45);

  /* Aksen emas */
  --mk-gold: #d4af6a;
  --mk-gold-rgb: 212, 175, 106;
  --mk-gold-light: #f1dfb8;
  --mk-gold-dark: #a8833f;
  --mk-gradient-gold: linear-gradient(135deg, #f6e7c4 0%, #d4af6a 45%, #a8833f 100%);
  --mk-gradient-fade: linear-gradient(180deg, rgba(11, 11, 13, 0) 0%, rgba(11, 11, 13, 0.85) 75%, #0b0b0d 100%);

  /* Teks */
  --mk-text: #ece6da;
  --mk-muted: #a29c90;

  /* Tipografi */
  --mk-font-display: "Cormorant Garamond", Georgia, serif;
  --mk-font-script: "Great Vibes", cursive;
  --mk-font-body: "Jost", system-ui, -apple-system, "Segoe UI", sans-serif;

  /* Misc */
  --mk-radius: 1.25rem;
  --mk-radius-sm: 0.75rem;
  --mk-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --mk-shadow: 0 20px 50px -20px rgba(0, 0, 0, 0.8);
  --mk-shadow-gold: 0 10px 40px -12px rgba(var(--mk-gold-rgb), 0.45);

  /* Fallback saat gambar gagal dimuat */
  --mk-fallback-bg: radial-gradient(circle at 30% 20%, #2a2418 0%, #131317 55%, #0b0b0d 100%);
}

/* Override variabel Bootstrap 5.3 untuk mode gelap */
[data-bs-theme="dark"] {
  --bs-body-bg: var(--mk-bg);
  --bs-body-bg-rgb: 11, 11, 13;
  --bs-body-color: var(--mk-text);
  --bs-body-font-family: var(--mk-font-body);
  --bs-secondary-color: var(--mk-muted);
  --bs-emphasis-color: #fff;
  --bs-border-color: var(--mk-border);
  --bs-tertiary-bg: var(--mk-surface);
  --bs-secondary-bg: var(--mk-surface-2);
  --bs-link-color: var(--mk-gold);
  --bs-link-color-rgb: var(--mk-gold-rgb);
  --bs-link-hover-color: var(--mk-gold-light);
  --bs-link-hover-color-rgb: 241, 223, 184;
  --bs-primary: var(--mk-gold);
  --bs-primary-rgb: var(--mk-gold-rgb);
  --bs-focus-ring-color: rgba(var(--mk-gold-rgb), 0.3);
  --bs-form-valid-color: #8fd19e;
  --bs-form-invalid-color: #f08a8a;
}

/* --------------------------------------------------------------------------
   2. Base
   -------------------------------------------------------------------------- */
html { scroll-behavior: smooth; }

body {
  font-family: var(--mk-font-body);
  font-weight: 300;
  letter-spacing: 0.01em;
  background-color: var(--mk-bg);
  color: var(--mk-text);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
  font-family: var(--mk-font-display);
  font-weight: 500;
  color: #fff;
  letter-spacing: 0.01em;
}

::selection { background: rgba(var(--mk-gold-rgb), 0.35); color: #fff; }

img { max-width: 100%; }

/* Scrollbar halus */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--mk-bg); }
::-webkit-scrollbar-thumb { background: var(--mk-gold-dark); border-radius: 8px; }

/* --------------------------------------------------------------------------
   3. Utilitas Tipografi & Warna
   -------------------------------------------------------------------------- */
.font-display { font-family: var(--mk-font-display) !important; }
.font-script  { font-family: var(--mk-font-script) !important; font-weight: 400; }
.text-gold    { color: var(--mk-gold) !important; }
.text-champagne { color: var(--mk-gold-light) !important; }
.text-muted-lux { color: var(--mk-muted) !important; }

.text-gradient-gold {
  background: var(--mk-gradient-gold);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--mk-gold);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(2rem, 5vw, 3.25rem);
  line-height: 1.15;
  margin-bottom: 1rem;
}

.section-lead {
  color: var(--mk-muted);
  max-width: 38rem;
  margin-inline: auto;
}

.section-pad { padding-block: clamp(4.5rem, 10vw, 7.5rem); }

.bg-surface   { background-color: var(--mk-surface) !important; }
.bg-surface-2 { background-color: var(--mk-surface-2) !important; }

/* --------------------------------------------------------------------------
   4. Tombol
   -------------------------------------------------------------------------- */
.btn { letter-spacing: 0.08em; font-weight: 500; }

.btn-gold,
.btn-outline-gold {
  --bs-btn-padding-x: 1.75rem;
  --bs-btn-padding-y: 0.8rem;
  --bs-btn-font-size: 0.8rem;
  --bs-btn-border-radius: 50rem;
  text-transform: uppercase;
  transition: transform 0.35s var(--mk-ease), box-shadow 0.35s var(--mk-ease),
              background-color 0.35s, color 0.35s, border-color 0.35s;
}

.btn-gold {
  --bs-btn-color: #17130b;
  --bs-btn-hover-color: #17130b;
  --bs-btn-active-color: #17130b;
  --bs-btn-border-width: 0;
  --bs-btn-disabled-color: #17130b;
  --bs-btn-disabled-bg: var(--mk-gold-dark);
  background-image: var(--mk-gradient-gold);
  background-size: 200% 100%;
  background-position: 0% 0%;
  box-shadow: var(--mk-shadow-gold);
}
.btn-gold:hover,
.btn-gold:focus-visible {
  background-position: 100% 0%;
  transform: translateY(-2px);
  box-shadow: 0 16px 40px -12px rgba(var(--mk-gold-rgb), 0.65);
}

.btn-outline-gold {
  --bs-btn-color: var(--mk-gold-light);
  --bs-btn-border-color: var(--mk-border-strong);
  --bs-btn-hover-color: #17130b;
  --bs-btn-hover-bg: var(--mk-gold);
  --bs-btn-hover-border-color: var(--mk-gold);
  --bs-btn-active-color: #17130b;
  --bs-btn-active-bg: var(--mk-gold-dark);
  --bs-btn-active-border-color: var(--mk-gold-dark);
  backdrop-filter: blur(6px);
}
.btn-outline-gold:hover { transform: translateY(-2px); }

.btn-icon {
  width: 2.75rem;
  height: 2.75rem;
  display: inline-grid;
  place-items: center;
  padding: 0;
  border-radius: 50%;
}

/* --------------------------------------------------------------------------
   5. Komponen Umum
   -------------------------------------------------------------------------- */

/* Kartu mewah */
.card-lux {
  position: relative;
  background: linear-gradient(180deg, var(--mk-surface-2) 0%, var(--mk-surface) 100%);
  border: 1px solid var(--mk-border);
  border-radius: var(--mk-radius);
  color: var(--mk-text);
  transition: transform 0.5s var(--mk-ease), border-color 0.5s, box-shadow 0.5s;
}
.card-lux.is-hoverable:hover {
  transform: translateY(-6px);
  border-color: var(--mk-border-strong);
  box-shadow: var(--mk-shadow);
}

/* Ikon dalam lingkaran emas */
.icon-ring {
  width: 3.5rem;
  height: 3.5rem;
  display: inline-grid;
  place-items: center;
  border-radius: 50%;
  font-size: 1.4rem;
  color: var(--mk-gold);
  border: 1px solid var(--mk-border-strong);
  background: radial-gradient(circle, rgba(var(--mk-gold-rgb), 0.12) 0%, transparent 70%);
}

/* Ornamen pemisah: garis — berlian — garis */
.ornament {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.85rem;
  color: var(--mk-gold);
  margin-block: 1rem;
}
.ornament::before,
.ornament::after {
  content: "";
  height: 1px;
  width: min(80px, 18vw);
  background: linear-gradient(90deg, transparent, var(--mk-gold));
}
.ornament::after { transform: scaleX(-1); }
.ornament > span {
  width: 8px;
  height: 8px;
  transform: rotate(45deg);
  border: 1px solid var(--mk-gold);
}

/* Badge emas */
.badge-gold {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.9rem;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--mk-gold-light);
  border: 1px solid var(--mk-border-strong);
  border-radius: 50rem;
  background: rgba(var(--mk-gold-rgb), 0.08);
}

/* Form gelap */
.form-lux .form-control,
.form-lux .form-select {
  background-color: rgba(255, 255, 255, 0.03);
  border-color: var(--mk-border);
  color: var(--mk-text);
  border-radius: var(--mk-radius-sm);
  padding: 0.8rem 1rem;
}
.form-lux .form-control::placeholder { color: rgba(162, 156, 144, 0.6); }
.form-lux .form-control:focus,
.form-lux .form-select:focus {
  background-color: rgba(255, 255, 255, 0.05);
  border-color: var(--mk-gold);
  box-shadow: 0 0 0 0.2rem rgba(var(--mk-gold-rgb), 0.18);
}
.form-lux .form-label {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--mk-gold-light);
}
.form-lux .form-check-input:checked {
  background-color: var(--mk-gold);
  border-color: var(--mk-gold);
}

/* Gambar dengan fallback gradient bila URL gagal */
.img-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: var(--mk-fallback-bg);
}

/* --------------------------------------------------------------------------
   6. Parallax
   Struktur:
   <section class="parallax">
     <div class="parallax__bg" data-parallax data-speed="0.3" style="--bg:url(...)"></div>
     ...konten...
   </section>
   Transformasi dihitung di core.js (requestAnimationFrame + IntersectionObserver).
   -------------------------------------------------------------------------- */
.parallax {
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.parallax__bg {
  position: absolute;
  inset: -30% 0;
  z-index: -2;
  background-image: var(--bg), var(--mk-fallback-bg);
  background-size: cover;
  background-position: center;
  will-change: transform;
}
/* Overlay gelap agar teks tetap terbaca */
.parallax::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse at center, rgba(11, 11, 13, 0.35) 0%, rgba(11, 11, 13, 0.85) 100%),
    linear-gradient(180deg, rgba(11, 11, 13, 0.55) 0%, rgba(11, 11, 13, 0.4) 50%, rgba(11, 11, 13, 0.95) 100%);
  pointer-events: none;
}
.parallax.overlay-soft::after {
  background: linear-gradient(180deg, rgba(11, 11, 13, 0.75) 0%, rgba(11, 11, 13, 0.6) 50%, rgba(11, 11, 13, 0.85) 100%);
}

/* Visual divider parallax (strip gambar di antara section) */
.parallax-divider {
  min-height: clamp(320px, 55vh, 520px);
  display: grid;
  place-items: center;
  text-align: center;
  padding: 4rem 1.5rem;
}

/* --------------------------------------------------------------------------
   7. Animasi Reveal (aktif hanya bila JS berjalan → class .js pada <html>)
   -------------------------------------------------------------------------- */
.js .reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 1s var(--mk-ease), transform 1s var(--mk-ease);
  transition-delay: var(--reveal-delay, 0s);
}
.js .reveal.reveal-left  { transform: translateX(-40px); }
.js .reveal.reveal-right { transform: translateX(40px); }
.js .reveal.reveal-zoom  { transform: scale(0.92); }
.js .reveal.is-visible   { opacity: 1; transform: none; }

/* --------------------------------------------------------------------------
   8. Toast notifikasi (dibuat via MK.toast())
   -------------------------------------------------------------------------- */
.mk-toast-stack {
  position: fixed;
  left: 50%;
  bottom: 1.5rem;
  transform: translateX(-50%);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  pointer-events: none;
  width: max-content;
  max-width: calc(100vw - 2rem);
}
.mk-toast {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 1.25rem;
  font-size: 0.9rem;
  color: var(--mk-text);
  background: rgba(27, 27, 33, 0.92);
  border: 1px solid var(--mk-border-strong);
  border-radius: 50rem;
  backdrop-filter: blur(10px);
  box-shadow: var(--mk-shadow);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.4s var(--mk-ease), transform 0.4s var(--mk-ease);
}
.mk-toast.is-shown { opacity: 1; transform: none; }
.mk-toast i { color: var(--mk-gold); }

/* --------------------------------------------------------------------------
   9. Aksesibilitas: hormati preferensi pengurangan gerak
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .js .reveal { opacity: 1; transform: none; }
  .parallax__bg { inset: 0; transform: none !important; }
}