/* ==========================================================================
   Diagram Alur Akad Perbankan & Keuangan Syariah
   Design system: Deep Emerald Glassmorphism + Gold Accent
   Created by Azmi Adi Parira
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Reem+Kufi:wght@400..700&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root{
  --emerald-deep: #0D3B66;
  --emerald: #0F5257;
  --emerald-light: #14707A;
  --gold: #D4AF37;
  --gold-soft: #E8C766;
  --glass: rgba(255,255,255,0.15);
  --glass-strong: rgba(255,255,255,0.22);
  --glass-border: rgba(255,255,255,0.28);
  --ink: #EAF3F1;
  --ink-dim: #B9CCC9;
  --ink-faint: #86a19d;
  --shadow: 0 8px 32px rgba(4,20,22,0.35);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --font-display: 'Reem Kufi', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

body{
  margin:0;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(1100px 700px at 12% -8%, rgba(212,175,55,0.14), transparent 60%),
    radial-gradient(900px 600px at 100% 10%, rgba(20,112,122,0.35), transparent 55%),
    linear-gradient(160deg, var(--emerald-deep) 0%, var(--emerald) 55%, #092b30 100%);
  background-attachment: fixed;
  min-height: 100vh;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Ambient geometric motif — genuine 8-point Islamic star (khatam) lattice,
   the page's signature background element */
body::before{
  content:"";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.1;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140' viewBox='0 0 140 140'%3E%3Cg fill='none' stroke='%23D4AF37' stroke-width='0.9'%3E%3Cpath d='M70 10 L83 34 L110 30 L94 52 L118 68 L91 74 L96 101 L70 88 L44 101 L49 74 L22 68 L46 52 L30 30 L57 34 Z'/%3E%3Ccircle cx='70' cy='70' r='58' stroke-width='0.6'/%3E%3Cpath d='M0 70h140M70 0v140M20 20l100 100M120 20L20 120' stroke-width='0.4' opacity='0.5'/%3E%3C/g%3E%3C/svg%3E");
  background-size: 140px 140px;
}

a{ color: inherit; text-decoration: none; }
img{ max-width: 100%; }
.container{ max-width: 1180px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; }

/* ---------- Glass utility ---------- */
.glass{
  background: var(--glass);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

/* ---------- Top bar ---------- */
.topbar{
  position: sticky; top:0; z-index: 50;
  background: rgba(10,40,43,0.55);
  border-bottom: 1px solid var(--glass-border);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.topbar-inner{
  display:flex; align-items:center; justify-content: space-between;
  padding: 14px 24px; max-width: 1180px; margin:0 auto;
}
.brand{ display:flex; align-items:center; gap:10px; }
.brand-mark{ width:34px; height:34px; flex-shrink:0; }
.brand-text{ display:flex; flex-direction:column; line-height:1.1; }
.brand-text strong{ font-family: var(--font-display); font-size: 1.02rem; letter-spacing: .02em; color: var(--gold-soft); }
.brand-text span{ font-size: .68rem; color: var(--ink-dim); letter-spacing:.08em; text-transform: uppercase; }
.back-link{
  display:inline-flex; align-items:center; gap:8px;
  font-size:.85rem; font-weight:600; padding:9px 16px;
  border-radius: 999px; border:1px solid var(--glass-border);
  background: var(--glass); transition: all .2s ease;
}
.back-link:hover{ background: var(--glass-strong); border-color: var(--gold); }
.back-link svg{ width:16px; height:16px; }

/* ---------- Hero ---------- */
.hero{ padding: 72px 0 40px; text-align:center; position:relative; }
.hero-eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-size:.72rem; letter-spacing:.16em; text-transform: uppercase;
  color: var(--gold-soft); border:1px solid var(--glass-border);
  background: var(--glass); padding:7px 16px; border-radius: 999px;
  margin-bottom: 22px;
}
.hero h1{
  font-family: var(--font-display);
  font-size: clamp(2rem, 5.2vw, 3.4rem);
  line-height: 1.15; margin: 0 0 16px;
  color: var(--ink);
  text-shadow: 0 2px 24px rgba(212,175,55,0.18);
}
.hero h1 em{ color: var(--gold-soft); font-style: normal; }
.hero p{
  max-width: 640px; margin: 0 auto; color: var(--ink-dim);
  font-size: 1.02rem;
}
.hero-stats{
  display:flex; gap:14px; justify-content:center; margin-top: 34px; flex-wrap: wrap;
}
.hero-stat{
  padding: 12px 22px; border-radius: var(--radius-md);
  min-width: 128px;
}
.hero-stat strong{ display:block; font-family: var(--font-display); font-size: 1.5rem; color: var(--gold); }
.hero-stat span{ font-size: .72rem; color: var(--ink-dim); letter-spacing:.04em; }

/* ---------- Filter / search ---------- */
.controls{
  display:flex; flex-wrap:wrap; gap:10px; align-items:center; justify-content:center;
  padding: 6px 0 36px;
}
.search-box{
  display:flex; align-items:center; gap:8px;
  padding: 10px 16px; border-radius: 999px;
  min-width: 240px;
}
.search-box svg{ width:16px; height:16px; color: var(--ink-dim); flex-shrink:0; }
.search-box input{
  background: transparent; border:none; outline:none; color: var(--ink);
  font-family: var(--font-body); font-size: .88rem; width: 100%;
}
.search-box input::placeholder{ color: var(--ink-faint); }
.filter-chip{
  padding: 9px 15px; border-radius: 999px; font-size: .78rem; font-weight:600;
  border: 1px solid var(--glass-border); background: var(--glass); cursor:pointer;
  color: var(--ink-dim); transition: all .18s ease; white-space: nowrap;
}
.filter-chip:hover{ color: var(--ink); border-color: var(--gold-soft); }
.filter-chip.active{
  background: linear-gradient(135deg, var(--gold), #b8912a);
  color: #14282a; border-color: var(--gold); box-shadow: 0 4px 16px rgba(212,175,55,0.3);
}

/* ---------- Akad grid ---------- */
.akad-grid{
  display:grid; grid-template-columns: repeat(3, 1fr); gap:16px;
  padding-bottom: 30px;
}
.akad-card{
  display:flex; align-items:flex-start; gap:12px;
  padding: 16px 16px; border-radius: var(--radius-md);
  position: relative; overflow:hidden;
  transition: transform .22s ease, border-color .22s ease, background .22s ease;
  border-left: 3px solid var(--cat-color, var(--gold));
}
.akad-card:hover{
  transform: translateY(-4px);
  background: var(--glass-strong);
  border-color: var(--glass-border);
  border-left-color: var(--cat-color, var(--gold));
}
.akad-card .icon{
  width:38px; height:38px; flex-shrink:0; border-radius: 10px;
  display:flex; align-items:center; justify-content:center;
  background: rgba(212,175,55,0.12); color: var(--gold-soft);
}
.akad-card .icon svg{ width:20px; height:20px; }
.akad-card .body{ min-width:0; }
.akad-card .num{ font-size:.68rem; color: var(--ink-faint); letter-spacing:.06em; }
.akad-card h3{
  margin: 2px 0 4px; font-size: .93rem; font-weight:700; color: var(--ink);
  font-family: var(--font-body); line-height:1.25;
}
.akad-card .cat{ font-size: .68rem; color: var(--cat-color, var(--gold-soft)); font-weight:600; letter-spacing:.03em; }
.no-results{ text-align:center; color: var(--ink-faint); padding: 40px 0; display:none; }

/* ---------- Footer ---------- */
footer{
  margin-top: 40px; padding: 34px 0 26px;
  border-top: 1px solid var(--glass-border);
  text-align:center; color: var(--ink-dim); font-size:.82rem;
}
footer strong{ color: var(--gold-soft); }
.footer-fatwa-note{
  max-width: 620px; margin: 0 auto 14px; font-size:.76rem; color: var(--ink-faint);
}

/* ---------- Detail page ---------- */
.detail-hero{ padding: 44px 0 20px; }
.detail-hero .kicker{
  font-size:.72rem; letter-spacing:.14em; text-transform:uppercase; color: var(--gold-soft);
}
.detail-hero h1{
  font-family: var(--font-display); font-size: clamp(1.7rem, 4.4vw, 2.6rem);
  margin: 10px 0 12px;
}
.detail-hero .arabic{ font-size: 1rem; color: var(--ink-faint); margin-bottom: 14px; }
.detail-hero p.desc{ max-width: 700px; color: var(--ink-dim); font-size:.98rem; }

.fatwa-banner{
  display:flex; gap:14px; align-items:flex-start;
  padding: 18px 20px; border-radius: var(--radius-md);
  margin: 22px 0 6px;
  border-left: 3px solid var(--gold);
}
.fatwa-banner .icon{ width:34px; height:34px; flex-shrink:0; color: var(--gold-soft); }
.fatwa-banner h4{ margin:0 0 4px; font-size:.78rem; letter-spacing:.08em; text-transform:uppercase; color: var(--gold-soft); }
.fatwa-banner p{ margin:0; font-size:.92rem; color: var(--ink); font-weight:600; }
.fatwa-banner span{ display:block; font-size:.8rem; color: var(--ink-dim); font-weight:400; margin-top:2px; }
.fatwa-link{
  display:inline-flex; align-items:center; gap:7px; margin-top:12px;
  font-size:.78rem; font-weight:700; color:#14282a;
  background: linear-gradient(135deg, var(--gold), var(--gold-soft));
  padding: 8px 15px; border-radius: 999px; transition: filter .18s ease, transform .18s ease;
}
.fatwa-link:hover{ filter: brightness(1.08); transform: translateY(-1px); }
.fatwa-link svg{ width:14px; height:14px; }

section.block{ padding: 34px 0; }
section.block h2{
  font-family: var(--font-display); font-size: 1.5rem; margin: 0 0 6px; color: var(--ink);
}
section.block .lead{ color: var(--ink-dim); font-size:.9rem; margin: 0 0 26px; max-width: 640px; }

/* Parties */
.parties{ display:grid; grid-template-columns: repeat(2,1fr); gap:16px; }
.party-card{ padding: 18px; border-radius: var(--radius-md); text-align:center; }
.party-card .icon{
  width:46px; height:46px; margin: 0 auto 10px; border-radius: 50%;
  background: rgba(212,175,55,0.14); display:flex; align-items:center; justify-content:center; color: var(--gold-soft);
}
.party-card .icon svg{ width:24px; height:24px; }
.party-card h4{ margin:0 0 4px; font-size:.95rem; }
.party-card .role{ font-size:.72rem; color: var(--gold-soft); text-transform:uppercase; letter-spacing:.05em; margin-bottom:6px; }
.party-card p{ margin:0; font-size:.82rem; color: var(--ink-dim); }

/* Flowchart - compact vertical */
.flowchart{ display:flex; flex-direction:column; align-items:center; gap:0; max-width: 460px; margin: 0 auto; }
.flow-step{
  width:100%; padding: 14px 18px; border-radius: var(--radius-md);
  display:flex; gap:12px; align-items:flex-start;
  position: relative;
}
.flow-step .num{
  width:26px; height:26px; border-radius:50%; flex-shrink:0;
  background: linear-gradient(135deg, var(--gold), #b8912a); color:#14282a;
  font-weight:800; font-size:.76rem; display:flex; align-items:center; justify-content:center;
}
.flow-step .icon{ width:24px; height:24px; flex-shrink:0; color: var(--gold-soft); margin-top:1px; }
.flow-step .content h5{ margin:0 0 3px; font-size:.87rem; color: var(--ink); }
.flow-step .content p{ margin:0; font-size:.78rem; color: var(--ink-dim); line-height:1.45; }
.flow-connector{ display:flex; align-items:center; justify-content:center; height:26px; }
.flow-connector svg{ width:16px; height:26px; color: var(--gold-soft); opacity:.7; }

/* Calculator */
.calc-card{ padding: 26px; border-radius: var(--radius-lg); max-width: 640px; margin: 0 auto; }
.calc-grid{ display:grid; grid-template-columns: 1fr 1fr; gap:16px; margin-bottom: 22px; }
.calc-field{ display:flex; flex-direction:column; gap:6px; }
.calc-field label{ font-size:.76rem; color: var(--ink-dim); font-weight:600; }
.calc-field .input-wrap{
  display:flex; align-items:center; gap:6px;
  background: rgba(0,0,0,0.18); border:1px solid var(--glass-border);
  border-radius: var(--radius-sm); padding: 10px 12px;
}
.calc-field .input-wrap span.prefix{ color: var(--gold-soft); font-size:.85rem; font-weight:700; }
.calc-field input[type="number"]{
  background: transparent; border:none; outline:none; color: var(--ink);
  font-family: var(--font-body); font-size: .95rem; width: 100%; -moz-appearance: textfield;
}
.calc-field input[type="number"]::-webkit-outer-spin-button,
.calc-field input[type="number"]::-webkit-inner-spin-button{ -webkit-appearance:none; margin:0; }
.calc-field input[type="range"]{ width:100%; accent-color: var(--gold); margin-top:4px; }
.range-value{ font-size:.72rem; color: var(--gold-soft); text-align:right; }
.calc-results{
  display:grid; grid-template-columns: repeat(2,1fr); gap:12px;
}
.calc-result{
  padding: 16px; border-radius: var(--radius-sm);
  background: rgba(212,175,55,0.09); border: 1px solid rgba(212,175,55,0.25);
}
.calc-result.primary{ background: rgba(212,175,55,0.18); grid-column: 1 / -1; }
.calc-result span.label{ display:block; font-size:.7rem; color: var(--ink-dim); text-transform:uppercase; letter-spacing:.04em; margin-bottom:4px; }
.calc-result strong{ font-family: var(--font-display); font-size: 1.3rem; color: var(--gold-soft); display:block; }
.calc-note{ font-size:.74rem; color: var(--ink-faint); margin-top:16px; line-height:1.5; }

/* Ketentuan list */
.rules-list{ display:flex; flex-direction:column; gap:10px; max-width: 700px; margin: 0 auto; }
.rules-list li{
  list-style:none; display:flex; gap:12px; padding: 13px 16px; border-radius: var(--radius-sm);
  font-size:.86rem; color: var(--ink-dim); align-items:flex-start;
}
.rules-list li svg{ width:18px; height:18px; flex-shrink:0; color: var(--gold-soft); margin-top:1px; }
.rules-list{ padding:0; }

.detail-footer-nav{
  display:flex; justify-content:space-between; align-items:center; gap:12px; flex-wrap:wrap;
  padding: 26px 0; margin-top: 10px; border-top: 1px solid var(--glass-border);
}

/* ---------- Responsive ---------- */
@media (max-width: 860px){
  .akad-grid{ grid-template-columns: repeat(2,1fr); }
  .parties{ grid-template-columns: 1fr; }
  .calc-grid{ grid-template-columns: 1fr; }
  .calc-results{ grid-template-columns: 1fr; }
}
@media (max-width: 560px){
  .akad-grid{ grid-template-columns: 1fr; }
  .topbar-inner{ padding: 12px 16px; }
  .hero{ padding: 52px 0 30px; }
  .container{ padding: 0 16px; }
  .hero-stats{ gap:10px; }
  .hero-stat{ min-width: 100px; padding: 10px 14px; }
  .calc-card{ padding: 18px; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  .akad-card{ transition: none; }
}

/* Focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible{
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}