/* Halaman Cara Kerja. Memakai token warna dari main.css (otomatis mengikuti tema terang/gelap). */

.how {
  max-width: 1080px;
  margin: 0 auto;
  padding: 56px 32px 32px;
}

.how-head { margin-bottom: 40px; }

.how-kicker {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--accent);
  border: 1px solid var(--accent-dim);
  padding: 3px 10px;
  margin-bottom: 18px;
}

.how-head h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(34px, 5vw, 52px);
  line-height: 1.05;
  margin: 0 0 16px;
}

.how-head .lede { margin-bottom: 24px; }

/* Lompat cepat ke langkah */
.how-jump { display: flex; flex-wrap: wrap; gap: 8px; }
.how-jump a {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text-muted);
  text-decoration: none;
  border: 1px solid var(--grid-line);
  padding: 6px 12px;
  transition: color 0.12s ease, border-color 0.12s ease;
}
.how-jump a span { color: var(--text); font-family: var(--font-body); }
.how-jump a:hover { color: var(--accent); border-color: var(--accent); }

/* ---------- Langkah ---------- */

.how-steps { list-style: none; margin: 0; padding: 0; }

.how-step {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 40px;
  align-items: center;
  padding: 40px 0;
  border-top: 1px solid var(--grid-line);
  scroll-margin-top: 80px;
  animation: how-rise 0.5s ease both;
}
.how-step:nth-child(2) { animation-delay: 0.06s; }
.how-step:nth-child(3) { animation-delay: 0.12s; }
.how-step:nth-child(4) { animation-delay: 0.18s; }
.how-step:nth-child(5) { animation-delay: 0.24s; }
@keyframes how-rise {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}

.how-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  margin-bottom: 10px;
}
.how-copy h2 {
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 28px);
  line-height: 1.15;
  margin: 0 0 12px;
}
.how-copy p {
  margin: 0;
  color: var(--text-muted);
  font-size: 15.5px;
  line-height: 1.65;
  max-width: 52ch;
}
.how-sub {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: sub;
  max-width: 52ch;
}
.how-sub li {
  counter-increment: sub;
  position: relative;
  padding: 7px 0 7px 32px;
  color: var(--text);
  font-size: 14.5px;
  line-height: 1.5;
}
.how-sub li::before {
  content: counter(sub);
  position: absolute;
  left: 0;
  top: 7px;
  width: 20px;
  height: 20px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: #10130a;
  background: var(--accent);
}

/* ---------- Ilustrasi mini (CSS murni) ---------- */

.how-visual {
  background: var(--panel);
  border: 1px solid var(--grid-line);
  padding: 22px;
  min-height: 170px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
  font-family: var(--font-mono);
  font-size: 13px;
}

.hv-drop {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 22px 12px;
  border: 1px dashed var(--accent-dim);
}
.hv-file { color: var(--text); }
.hv-arrow, .hv-arrow-r { color: var(--accent); }
.hv-copy { display: inline-flex; align-items: center; gap: 8px; color: var(--positive); font-family: var(--font-body); }
.hv-dot { width: 8px; height: 8px; background: var(--positive); display: inline-block; }

.hv-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.hv-chips span {
  border: 1px solid var(--grid-line);
  background: var(--panel-raised);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 12.5px;
  padding: 6px 10px;
}
.hv-chips .hv-chip-alt { border-color: var(--accent-dim); color: var(--accent); }

.hv-grid {
  display: grid;
  grid-template-columns: 34px 1fr 1fr;
  border-top: 1px solid var(--grid-line);
  border-left: 1px solid var(--grid-line);
}
.hv-grid span {
  padding: 6px 10px;
  border-right: 1px solid var(--grid-line);
  border-bottom: 1px solid var(--grid-line);
  color: var(--text);
}
.hv-grid .hv-h, .hv-grid .hv-r { background: var(--panel-raised); color: var(--text-muted); text-align: center; padding: 6px 4px; }
.hv-grid .hv-n { text-align: right; }
.hv-grid .hv-muted { color: var(--text-muted); }
.hv-grid .hv-result {
  background: rgba(232, 216, 115, 0.22);
  outline: 1px solid var(--accent);
  outline-offset: -1px;
  animation: hv-pulse 2.4s ease-in-out infinite;
}
@keyframes hv-pulse { 50% { background: rgba(232, 216, 115, 0.4); } }

.hv-formula { display: flex; align-items: center; gap: 10px; }
.hv-formula code {
  background: var(--panel-raised);
  border: 1px solid var(--grid-line);
  color: var(--accent);
  padding: 4px 10px;
}

.hv-chat { display: flex; flex-direction: column; gap: 8px; }
.hv-bubble {
  max-width: 85%;
  padding: 9px 12px;
  font-family: var(--font-body);
  font-size: 13.5px;
  line-height: 1.45;
  border: 1px solid var(--grid-line);
}
.hv-user { align-self: flex-end; background: var(--panel-raised); color: var(--text); }
.hv-bot { align-self: flex-start; border-color: var(--accent-dim); color: var(--text); }
.hv-note { align-self: flex-end; font-size: 11.5px; color: var(--text-muted); }

.hv-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.hv-btn {
  border: 1px solid var(--grid-line);
  background: var(--panel-raised);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 13px;
  padding: 9px 14px;
}
.hv-btn-main { background: var(--accent); border-color: var(--accent); color: #10130a; }

/* ---------- Aman, FAQ, CTA ---------- */

.how-safe { max-width: none; margin-top: 8px; }

.how-faq { padding: 48px 0 16px; max-width: 760px; }
.how-faq h2, .how-cta h2 {
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 28px);
  margin: 0 0 18px;
}
.how-faq details { border-top: 1px solid var(--grid-line); }
.how-faq details:last-of-type { border-bottom: 1px solid var(--grid-line); }
.how-faq summary {
  cursor: pointer;
  list-style: none;
  padding: 16px 28px 16px 0;
  position: relative;
  font-weight: 500;
  line-height: 1.4;
}
.how-faq summary::-webkit-details-marker { display: none; }
.how-faq summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 14px;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--accent);
}
.how-faq details[open] summary::after { content: "–"; }
.how-faq summary:hover { color: var(--accent); }
.how-faq details p {
  margin: 0 0 18px;
  color: var(--text-muted);
  line-height: 1.65;
  font-size: 14.5px;
}

.how-cta { padding: 40px 0 24px; text-align: left; }

@media (max-width: 860px) {
  .how { padding: 36px 20px 24px; }
  .how-step { grid-template-columns: 1fr; gap: 20px; padding: 30px 0; }
  .how-visual { min-height: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .how-step, .hv-grid .hv-result { animation: none; }
}