/* ============================================================
   MEA LINK — LANDING STYLES
   Dark dominan, aksen biru sebagai siluet/cahaya tipis (bukan
   blur biru menyeluruh), glass Fluent-style untuk panel/card.
   Token dari shared/token/token-color.css — jangan tulis hex baru
   di luar file ini.
   ============================================================ */

:root{
  --bg:        var(--mea-bg, #0A0A0A);
  --surface:   var(--mea-surface, #161616);
  --surface-2: var(--mea-surface-raised, #1E1E1E);
  --border:    var(--mea-border, #2A2A2A);
  --border-2:  var(--mea-border-strong, #3A3A3A);
  --text:      var(--mea-text-primary, #FAFAFA);
  --text-2:    var(--mea-text-secondary, #A1A1A1);
  --text-3:    var(--mea-text-muted, #6B6B6B);
  --accent:    var(--mea-accent, #3B82F6);
  --accent-2:  var(--mea-accent-hover, #2563EB);
  --accent-dim: rgba(59, 130, 246, 0.12);
  --green:     var(--mea-success, #22C55E);

  --glass-bg: rgba(22, 22, 22, 0.55);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-blur: blur(20px) saturate(140%);

  --font-display: 'Bebas Neue', 'Impact', sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Cascadia Code', monospace;

  --container: 1180px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
}

*{ margin:0; padding:0; box-sizing:border-box; -webkit-tap-highlight-color: transparent; }

html{ scrollbar-width: thin; scrollbar-color: var(--border-2) transparent; scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
::-webkit-scrollbar{ width: 8px; height: 8px; }
::-webkit-scrollbar-track{ background: transparent; }
::-webkit-scrollbar-thumb{ background: var(--border-2); border-radius: 999px; border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover{ background: var(--accent); }

:focus-visible{ outline: 2px solid var(--accent); outline-offset: 2px; }
:focus:not(:focus-visible){ outline: none; }

body{
  /* Siluet cahaya biru tipis di sudut — bukan blur biru menyeluruh */
  background:
    radial-gradient(ellipse 900px 600px at 50% -10%, rgba(59, 130, 246, 0.07), transparent 60%),
    radial-gradient(ellipse 600px 500px at 90% 20%, rgba(59, 130, 246, 0.035), transparent 55%),
    var(--bg);
  background-attachment: fixed;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a{ color: inherit; text-decoration: none; }
img{ display:block; max-width:100%; }
button, input{ font-family:inherit; }
button{ cursor:pointer; border:none; background:none; color:inherit; }
ul, ol{ list-style:none; }

.brand{ font-family: var(--font-display); letter-spacing: 0.04em; }

::selection{ background: var(--accent-dim); color: var(--accent); }

@media (prefers-reduced-motion: reduce){
  *, *::before, *::after{
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ============================================================
   UTILITIES
   ============================================================ */
.container{ width:100%; max-width: var(--container); margin:0 auto; padding: 0 20px; }

.glass{
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
}

.section{ position: relative; padding: 88px 0; }
.section:nth-of-type(odd){
  background: linear-gradient(180deg, rgba(59, 130, 246, 0.02) 0%, transparent 100%), transparent;
}

.section-head{ max-width: 620px; margin: 0 0 48px; }
.section-title{
  font-family: var(--font-display);
  font-size: clamp(28px, 5vw, 42px);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--text);
  line-height: 1.1;
}
.section-sub{ color: var(--text-2); font-size: 15px; margin-top: 12px; max-width: 46ch; }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn{
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font-body); font-weight: 600; font-size: 14px;
  border-radius: var(--radius-sm); padding: 12px 24px;
  transition: background 0.2s ease, color 0.2s ease, transform 0.15s ease, border-color 0.2s ease;
  white-space: nowrap;
}
.btn-accent{ background: var(--accent); color: #061121; }
.btn-accent:hover{ background: #ffffff; transform: translateY(-1px); }
.btn-lg{ padding: 14px 30px; font-size: 15px; }

/* ============================================================
   HEADER
   ============================================================ */
.site-header{
  position: fixed; top:0; left:0; right:0; z-index: 100;
  border-bottom: 1px solid var(--glass-border);
  background: rgba(10, 10, 10, 0.6);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}
.header-inner{ display:flex; align-items:center; justify-content:space-between; height: 64px; }
.brand-lockup{ display:flex; align-items:center; gap:10px; }
.brand-lockup .brand-logo{ width:28px; height:28px; }
.brand-lockup .brand{ font-size:18px; color: var(--text); }

/* ============================================================
   HERO
   ============================================================ */
.hero{
  position: relative;
  min-height: 82vh;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  text-align:center;
  padding: 140px 20px 70px;
  overflow: hidden;
}

/* Siluet cahaya, bukan blur biru menyeluruh — opacity rendah, blur besar,
   dan mix-blend agar menyatu dengan background alih-alih menutupinya. */
.aurora{
  position:absolute; inset:-10%; z-index:0; pointer-events:none;
  filter: blur(110px);
  opacity: 0.22;
  background:
    radial-gradient(circle at 25% 25%, var(--accent-2), transparent 45%),
    radial-gradient(circle at 78% 35%, var(--accent), transparent 42%);
  animation: auroraDrift 40s ease-in-out infinite;
}
@keyframes auroraDrift{
  0%,100%{ transform: translate(0,0) scale(1); }
  50%{ transform: translate(-3%, 3%) scale(1.05); }
}

.hero-inner{ position:relative; z-index:1; display:flex; flex-direction:column; align-items:center; }

.hero-headline{
  font-family: var(--font-display);
  font-size: clamp(36px, 7.5vw, 72px);
  line-height: 1.02;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 20px;
}

.hero-sub{ color: var(--text-2); font-size: 17px; max-width: 52ch; margin-bottom: 32px; }
.hero-actions{ display:flex; gap:12px; }

/* ============================================================
   FEATURES
   ============================================================ */
.features{ border-top: 1px solid var(--border); }
.feature-list{ display:grid; grid-template-columns: repeat(4, 1fr); gap: 36px; }
.feature-item{ display:flex; flex-direction:column; align-items:flex-start; gap: 12px; }
.feature-icon{ width:26px; height:26px; color: var(--accent); flex-shrink:0; }
.feature-text h3{ font-family: var(--font-body); font-weight:600; font-size:15px; color: var(--text); margin-bottom:5px; }
.feature-text p{ color: var(--text-2); font-size:13.5px; line-height:1.55; }

/* ============================================================
   CARA KERJA
   ============================================================ */
.howitworks{ border-top: 1px solid var(--border); }
.steps-list{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 36px; }
.steps-item{ display:flex; flex-direction:column; gap: 10px; }
.steps-number{ font-family: var(--font-display); font-size: 32px; color: var(--accent); opacity:0.5; }
.steps-item h3{ font-size: 16px; font-weight:600; color: var(--text); }
.steps-item p{ font-size: 13.5px; color: var(--text-2); line-height:1.55; }

/* ============================================================
   FAQ
   ============================================================ */
.faq{ border-top: 1px solid var(--border); }
.faq-list{ display:flex; flex-direction:column; gap: 1px; background: var(--border); border-radius: var(--radius-md); overflow:hidden; }
.faq-item{
  background: var(--surface);
  padding: 18px 20px;
}
.faq-item summary{
  cursor:pointer;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--text);
  list-style:none;
  display:flex; align-items:center; justify-content:space-between;
}
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item summary::after{
  content:'+';
  font-size: 18px;
  color: var(--text-3);
  transition: transform 0.2s ease;
}
.faq-item[open] summary::after{ transform: rotate(45deg); }
.faq-item p{ font-size: 13.5px; color: var(--text-2); margin-top: 12px; line-height:1.6; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer{ border-top: 1px solid var(--border); padding: 40px 0; }
.footer-inner{ display:flex; flex-direction:column; gap:24px; }
.footer-row{ display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:12px; }
.footer-brand{ gap:8px; }
.footer-logo{ width:22px; height:22px; }
.footer-copyright{ color: var(--text-3); font-size:13px; }
.footer-links{ display:flex; gap:20px; }
.footer-links a{ color: var(--text-2); font-size:13px; }
.footer-links a:hover{ color: var(--text); }
.footer-meta .brand{ color: var(--text-3); font-size:13px; }
.footer-meta .brand:hover{ color: var(--accent); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 860px){
  .feature-list{ grid-template-columns: repeat(2, 1fr); }
  .steps-list{ grid-template-columns: 1fr; }
}
@media (max-width: 560px){
  .feature-list{ grid-template-columns: 1fr; }
  .hero-actions{ flex-direction:column; width:100%; }
  .hero-actions .btn{ width:100%; }
  .footer-row{ flex-direction: column; align-items: flex-start; }
}
@media (max-width: 380px){
  .hero{ padding: 120px 16px 60px; }
  .container{ padding: 0 14px; }
}