/* ==========================================================================
   OTP Indonesia — homepage layout
   ========================================================================== */

/* ---- Hero ---- */
.hero {
  padding-top: clamp(3rem, 7vw, 5rem);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 480px;
  background: radial-gradient(60% 60% at 30% 20%, rgba(242, 169, 59, 0.16), transparent 70%),
              radial-gradient(50% 50% at 80% 10%, rgba(63, 182, 139, 0.14), transparent 70%);
  pointer-events: none;
}
.hero .container {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  position: relative;
}
.hero-copy p.lede {
  font-size: 1.15rem;
  color: var(--mist);
  max-width: 46ch;
}
.hero-copy .btn-row { margin-top: 1.9rem; }

.hero-visual { position: relative; }
.code-stub {
  --stub-notch: var(--indigo-950);
  max-width: 360px;
  margin-inline: auto;
  animation: stub-rise 0.6s cubic-bezier(0.2, 0.7, 0.2, 1) both;
}
@keyframes stub-rise {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}
.code-stub__row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.code-stub__number {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  color: var(--ink);
  margin: 0.9rem 0 0.4rem;
}
.code-stub__code {
  font-family: var(--font-mono);
  font-size: 2.7rem;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: 0.08em;
  display: flex;
  gap: 0.18em;
}
.code-stub__code span {
  animation: digit-in 0.45s ease both;
}
.code-stub__code span:nth-child(1) { animation-delay: 0.05s; }
.code-stub__code span:nth-child(2) { animation-delay: 0.12s; }
.code-stub__code span:nth-child(3) { animation-delay: 0.19s; }
.code-stub__code span:nth-child(4) { animation-delay: 0.26s; }
.code-stub__code span:nth-child(5) { animation-delay: 0.33s; }
.code-stub__code span:nth-child(6) { animation-delay: 0.4s; }
@keyframes digit-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}
.code-stub__status {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  margin-top: 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--signal-dark);
  font-weight: 600;
}
.code-stub__status svg { width: 16px; height: 16px; }
.code-stub__tear {
  margin: 1.1rem -1.7rem -1.6rem;
  padding: 0.75rem 1.7rem;
  border-top: 2px dashed var(--paper-line);
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-soft);
  letter-spacing: 0.06em;
}

@media (prefers-reduced-motion: reduce) {
  .code-stub, .code-stub__code span { animation: none; }
}

/* ---- Stat row (infographic block 1) ---- */
.stat-row {
  padding-top: 0;
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
}
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.4rem 1rem;
}
.stat-grid .stub { text-align: center; padding: 1.5rem 1rem; }
@media (max-width: 900px) {
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ---- Steps (infographic block 2) ---- */
.steps-chain {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 1.1rem;
  counter-reset: step;
}
.steps-chain li {
  --stub-notch: var(--indigo-950);
  position: relative;
  background: var(--paper);
  border-radius: var(--radius);
  padding: 1.5rem 1.1rem 1.3rem;
  box-shadow: var(--shadow-card);
}
.steps-chain li::before,
.steps-chain li::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--indigo-950);
  transform: translateY(-50%);
}
.steps-chain li::before { left: -10px; }
.steps-chain li::after { right: -10px; }
.steps-chain li:first-child::before,
.steps-chain li:last-child::after { display: none; }

.step-index {
  counter-increment: step;
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--marigold-dark);
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
}
.step-index::before { content: '0' counter(step); }
.steps-chain h3 { color: var(--ink); font-size: 1.02rem; margin-bottom: 0.3rem; }
.steps-chain p { color: var(--ink-soft); font-size: 0.9rem; margin: 0; }

@media (max-width: 980px) {
  .steps-chain { grid-template-columns: repeat(2, 1fr); }
  .steps-chain li::before, .steps-chain li::after { display: none; }
}

/* ---- WhatsApp mechanism + micro-steps ---- */
.wa-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2rem, 4vw, 3.5rem);
  align-items: start;
}
.wa-mini-steps {
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0;
  counter-reset: wa;
  display: grid;
  gap: 0.75rem;
}
.wa-mini-steps li {
  counter-increment: wa;
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
  font-size: 0.96rem;
}
.wa-mini-steps li::before {
  content: counter(wa);
  flex-shrink: 0;
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--marigold);
  color: var(--marigold-ink);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.82rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.wa-diagram {
  --stub-notch: var(--indigo-950);
  padding: 1.6rem;
}
.wa-diagram__flow {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  color: var(--ink);
}
.wa-diagram__flow .row { display: flex; align-items: center; gap: 0.6rem; }
.wa-diagram__flow .tag {
  font-size: 0.7rem;
  padding: 0.2em 0.6em;
  border-radius: 999px;
  background: var(--paper-dim);
  color: var(--ink-soft);
}
.wa-diagram__flow .tag--pass { background: rgba(63, 182, 139, 0.18); color: var(--signal-dark); }
.wa-diagram__flow .tag--fail { background: rgba(214, 87, 59, 0.14); color: #B24A2F; }
.wa-diagram__arrow { color: var(--paper-line); font-size: 1rem; margin-left: 12px; }

@media (max-width: 860px) {
  .wa-grid { grid-template-columns: 1fr; }
}

/* ---- Photo card (Unsplash imagery, treated to match the palette) ---- */
.sim-compare-head {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 1.8rem;
  align-items: center;
}
.photo-card {
  margin: 0;
  position: relative;
}
.photo-card img {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  object-position: center 60%;
  border-radius: var(--radius);
  display: block;
  filter: saturate(0.85) contrast(1.05);
}
.photo-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(242, 169, 59, 0.28), rgba(20, 22, 43, 0.55) 70%);
  mix-blend-mode: multiply;
}

@media (max-width: 720px) {
  .sim-compare-head { grid-template-columns: 1fr; }
  .photo-card { order: -1; max-width: 320px; }
}

/* ---- Pricing ---- */
.fare-table {
  --stub-notch: var(--indigo-950);
  padding: 0;
}
.fare-table__scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius);
}
.fare-table table { width: 100%; min-width: 460px; border-collapse: collapse; }
.fare-table caption {
  text-align: left;
  padding: 1.3rem 1.7rem 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-soft);
}
.fare-table th, .fare-table td {
  text-align: left;
  padding: 0.85rem 1.7rem;
  font-size: 0.96rem;
  color: var(--ink);
  border-top: 1px dashed var(--paper-line);
}
.fare-table thead th {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  border-top: none;
}
.fare-table td.figure, .fare-table th.figure { font-family: var(--font-mono); font-weight: 600; color: var(--ink); text-align: right; }

.mini-table-wrap { margin-top: 1.6rem; overflow-x: auto; }

/* ---- Safety verdict ---- */
.verdict {
  --stub-notch: var(--indigo-950);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.2rem;
  align-items: flex-start;
  padding: 1.8rem 2rem;
}
.verdict__badge {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: rgba(63, 182, 139, 0.16);
  color: var(--signal-dark);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.verdict__badge svg { width: 26px; height: 26px; }
.verdict h3 { color: var(--ink); margin-bottom: 0.4rem; }
.verdict p { color: var(--ink-soft); margin-bottom: 0.7rem; }
.verdict p:last-child { margin-bottom: 0; }

/* ---- App icon grid (infographic block 3) ---- */
.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 1rem;
}
.app-chip {
  background: var(--paper);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-card);
  padding: 1.1rem 0.8rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.55rem;
}
.app-chip__icon {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: var(--paper-dim);
  display: flex; align-items: center; justify-content: center;
  color: var(--ink);
}
.app-chip__icon svg { width: 20px; height: 20px; }
.app-chip__name { font-size: 0.86rem; font-weight: 600; color: var(--ink); }
.app-chip__count { font-family: var(--font-mono); font-size: 0.72rem; color: var(--ink-soft); }
.app-grid-more {
  grid-column: 1 / -1;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--mist);
  padding-top: 0.4rem;
}

/* ---- Why choose (signal tower photo backdrop) ---- */
.signal-section {
  position: relative;
  background-image: url('/images/signal-tower-night.jpg');
  background-size: cover;
  background-position: center 35%;
  isolation: isolate;
}
.signal-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--indigo-950) 0%, rgba(20, 22, 43, 0.94) 12%, rgba(20, 22, 43, 0.9) 55%, var(--indigo-950) 100%);
  z-index: -1;
}
.why-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 4vw, 3.5rem);
  align-items: center;
}
.why-block ul { list-style: none; margin: 1.2rem 0 0; padding: 0; display: grid; gap: 0.7rem; }
.why-block li { display: flex; gap: 0.7rem; font-size: 0.98rem; color: var(--mist); }
.why-block li svg { flex-shrink: 0; width: 20px; height: 20px; color: var(--signal); margin-top: 0.1em; }

@media (max-width: 860px) { .why-block { grid-template-columns: 1fr; } }

/* ---- Conclusion CTA banner ---- */
.cta-banner {
  --stub-notch: var(--indigo-950);
  background: var(--paper);
  border-radius: var(--radius-lg);
  padding: clamp(2.2rem, 5vw, 3.2rem);
  text-align: center;
  position: relative;
}
.cta-banner::before, .cta-banner::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 26px; height: 26px;
  background: var(--indigo-950);
  border-radius: 50%;
  transform: translateY(-50%);
}
.cta-banner::before { left: -13px; }
.cta-banner::after { right: -13px; }
.cta-banner h2 { color: var(--ink); margin-bottom: 0.6rem; }
.cta-banner p { color: var(--ink-soft); max-width: 52ch; margin: 0 auto 1.6rem; }

/* ---- FAQ (manifest list) ---- */
.faq-list { display: grid; gap: 0.9rem; }
.faq-item {
  --stub-notch: var(--indigo-950);
  background: var(--paper);
  border-radius: var(--radius);
  padding: 0;
  overflow: hidden;
}
.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 1.15rem 1.6rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--ink);
  font-size: 1rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .faq-icon {
  flex-shrink: 0;
  width: 22px; height: 22px;
  color: var(--marigold-dark);
  transition: transform 0.2s ease;
}
.faq-item[open] summary .faq-icon { transform: rotate(45deg); }
.faq-item p {
  margin: 0;
  padding: 0 1.6rem 1.3rem;
  color: var(--ink-soft);
  font-size: 0.96rem;
}

/* ---- Reusable link-in-prose CTA ---- */
.inline-cta {
  color: var(--marigold-dark);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: rgba(214, 138, 31, 0.4);
  text-underline-offset: 3px;
}
.on-paper .inline-cta { color: var(--marigold-dark); }
body .inline-cta:not(.on-paper *) { color: var(--marigold); }