:root {
  --navy: #16233f;
  --ink: #1c2a44;
  --slate: #5b6b82;
  --line: #d9e2ec;
  --ice: #dcebf5;
  --ice-2: #cfe3ee;
  --pine: #2f6b4f;
  --tan: #c9a876;
  --paper: #ffffff;
  --soft: #f4f8fb;
  --radius: 18px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, .brand {
  font-family: "Inter Tight", "Inter", system-ui, sans-serif;
  letter-spacing: -0.03em;
  color: var(--navy);
}

h1 { font-size: clamp(2.6rem, 7vw, 5rem); line-height: 0.98; margin: 0.35em 0 0.3em; font-weight: 800; }
h2 { font-size: clamp(1.9rem, 4vw, 2.8rem); line-height: 1.05; margin: 0.15em 0 0.35em; font-weight: 700; }
h3 { font-size: 1.2rem; margin: 0 0 0.5em; }
p { margin: 0 0 0.9em; }
a { color: var(--navy); }
code { background: var(--ice); padding: 0.1em 0.35em; border-radius: 6px; font-size: 0.9em; }

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 1.5rem;
  padding: 0.8rem clamp(1rem, 4vw, 2.5rem);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.brand {
  display: flex; align-items: center; gap: 0.55rem;
  font-weight: 800; font-size: 1.3rem; text-decoration: none;
}
.brand-mark {
  display: grid; grid-template-columns: 1fr 1fr; gap: 2px;
  width: 22px; height: 22px; padding: 3px;
  background: var(--navy); border-radius: 6px;
}
.brand-mark span { background: #fff; border-radius: 1px; }
.brand-mark span:nth-child(4) { background: var(--tan); }
.nav-links { display: flex; gap: 1.4rem; margin-left: auto; }
.nav-links a { text-decoration: none; color: var(--slate); font-weight: 500; font-size: 0.95rem; }
.nav-links a:hover { color: var(--navy); }
.nav-cta {
  text-decoration: none; font-weight: 600; font-size: 0.95rem;
  border: 2px solid var(--navy); border-radius: 999px; padding: 0.35rem 1rem;
}
.nav-cta:hover { background: var(--navy); color: #fff; }

/* ---------- hero / parallax ---------- */
.hero { position: relative; overflow: hidden; padding: 0 0 3rem; }
.sky {
  position: relative; height: clamp(440px, 60vw, 700px);
  overflow: hidden;
}
.plx { position: absolute; will-change: transform; }
.plx img { display: block; }
.mountain-wrap { left: 0; right: 0; bottom: -2%; }
.mountain { width: min(150vw, 1700px); margin: 0 auto; }
.cloud-wrap { overflow: visible; }
.cloud-a { top: 4%; left: 0; right: 0; }
.cloud-b { top: 24%; left: 0; right: 0; }
.cloud-track { display: flex; width: max-content; animation: drift 40s linear infinite; }
.cloud-track img { width: min(46vw, 580px); flex: none; }
.cloud-b .cloud-track img { width: min(34vw, 430px); }
.cloud-b .cloud-track { opacity: 0.6; }
.track-fast { animation-duration: 26s; animation-delay: -8s; }
@keyframes drift {
  from { transform: translateX(-50%); }
  to { transform: translateX(0); }
}
.scroll-hint { font-size: 0.85rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--slate); margin-top: 1.6rem; }
.scroll-hint span { display: inline-block; animation: bob 1.6s ease-in-out infinite alternate; }
@keyframes bob { from { transform: translateY(0); } to { transform: translateY(5px); } }
.marquee {
  margin-top: 2.4rem; border-top: 2px solid var(--navy); border-bottom: 2px solid var(--navy);
  overflow: hidden; background: var(--navy); color: #fff; padding: 0.55rem 1rem;
}
.marquee-track { display: flex; width: max-content; animation: marquee 28s linear infinite; }
.marquee-track span {
  font-family: "Inter Tight", sans-serif; font-weight: 700; letter-spacing: 0.05em;
  font-size: 0.95rem; white-space: nowrap;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
.hero-copy {
  position: relative; z-index: 5;
  max-width: 880px; margin: 0 auto;
  padding: 0 clamp(1rem, 4vw, 2.5rem); text-align: center;
}
.lede { font-size: clamp(1.05rem, 2.4vw, 1.3rem); color: var(--slate); max-width: 640px; margin: 0 auto 1.4em; }
.hero-actions { display: flex; gap: 0.8rem; justify-content: center; flex-wrap: wrap; }
.hero-note { font-size: 0.9rem; color: var(--slate); margin-top: 1rem; }
.hero-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem;
  max-width: 880px; margin: 2.8rem auto 0; padding: 0 clamp(1rem, 4vw, 2.5rem);
}
.hero-stats div {
  border: 2px solid var(--navy); border-radius: var(--radius);
  padding: 1rem; text-align: center; background: #fff;
}
.hero-stats strong { display: block; font-family: "Inter Tight", sans-serif; font-size: 1.5rem; color: var(--navy); }
.hero-stats span { font-size: 0.85rem; color: var(--slate); }

/* ---------- sections ---------- */
.section { padding: 4.5rem clamp(1rem, 4vw, 2.5rem); max-width: 1080px; margin: 0 auto; }
.section-alt { background: var(--soft); max-width: none; }
.section-alt > * { max-width: 1080px; margin-left: auto; margin-right: auto; }
.kicker { font-weight: 700; letter-spacing: 0.05em; color: var(--pine); margin-bottom: 0.2em; }
.section-head p:last-child { color: var(--slate); max-width: 640px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.4rem; align-items: start; }
.card {
  background: #fff; border: 2px solid var(--navy); border-radius: var(--radius);
  padding: 1.5rem;
}
.section-alt .card { border-color: var(--navy); }

label { display: block; font-weight: 600; font-size: 0.95rem; margin-bottom: 1rem; }
input, select, textarea {
  display: block; width: 100%; margin-top: 0.35rem;
  font: inherit; color: var(--ink);
  border: 2px solid var(--line); border-radius: 12px; padding: 0.65rem 0.8rem;
  background: #fff;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--navy); }
textarea { resize: vertical; }

.btn {
  display: inline-block; font: inherit; font-weight: 600; cursor: pointer;
  border-radius: 999px; padding: 0.65rem 1.3rem; text-decoration: none;
  border: 2px solid var(--navy);
}
.btn-primary { background: var(--navy); color: #fff; }
.btn-primary:hover { background: #22345c; }
.btn-ghost { background: #fff; color: var(--navy); }
.btn-ghost:hover { background: var(--ice); }
.btn:disabled { opacity: 0.55; cursor: wait; }
.row { display: flex; gap: 0.7rem; flex-wrap: wrap; align-items: center; }
.form-actions { display: flex; gap: 0.9rem; flex-wrap: wrap; align-items: center; }
.space-between { justify-content: space-between; margin-bottom: 1rem; }
.msg { font-size: 0.92rem; color: var(--slate); min-height: 1.2em; margin: 0.8rem 0 0; }
.msg.err { color: #a33; }
.msg.ok { color: var(--pine); }
.fine { font-size: 0.85rem; color: var(--slate); }

/* QR card */
.qr-card { text-align: center; }
.qr-box { display: flex; justify-content: center; padding: 0.6rem; }
.qr-box img, .qr-box canvas { border-radius: 12px; }
.qr-amount { font-family: "Inter Tight", sans-serif; font-size: 1.7rem; font-weight: 800; color: var(--navy); margin: 0.2em 0 0; }
.qr-meta { color: var(--slate); margin-bottom: 0.2em; }
.qr-id { font-size: 0.85rem; color: var(--slate); word-break: break-all; }
.qr-card .row { justify-content: center; margin-top: 1rem; }
.qr-card .fine { margin: 1.2rem 0 0.2rem; line-height: 1.6; }

/* fees */
.fees { display: grid; grid-template-columns: auto 1fr; gap: 0.35rem 1rem; margin: 0 0 1rem; }
.fees dt { color: var(--slate); font-size: 0.92rem; }
.fees dd { margin: 0; text-align: right; font-weight: 600; }
.fees dd.good { color: var(--pine); }

/* table */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.93rem; }
th, td { text-align: left; padding: 0.6rem 0.5rem; border-bottom: 1px solid var(--line); }
th { color: var(--slate); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.04em; }
td { vertical-align: middle; }
.pill {
  display: inline-block; font-size: 0.82rem; font-weight: 700;
  border-radius: 999px; padding: 0.15rem 0.7rem;
}
.pill.pending { background: var(--ice-2); color: var(--navy); }
.pill.paid { background: #d8ecdf; color: var(--pine); }
.pill.failed, .pill.refunded { background: #f6d9d9; color: #a33; }
.mini { font-size: 0.85rem; padding: 0.3rem 0.8rem; }

/* steps */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; }
.steps li { background: #fff; border: 2px solid var(--navy); border-radius: var(--radius); padding: 1.5rem; transition: transform 0.3s ease; }
.steps li:hover { transform: translateY(-4px); }
.step-img { height: 200px; display: flex; align-items: center; justify-content: center; margin-bottom: 0.8rem; }
.step-img img { max-width: 100%; max-height: 100%; object-fit: contain; animation: step-float 4s ease-in-out infinite; }
.steps li:nth-child(2) .step-img img { animation-delay: 0.7s; }
.steps li:nth-child(3) .step-img img { animation-delay: 1.4s; }
@keyframes step-float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
.steps li > strong { font-family: "Inter Tight", sans-serif; font-size: 2.2rem; color: var(--tan); }
.steps h3 { margin-top: 0.2em; }
.steps p { color: var(--slate); margin: 0; }
.fine-card { margin-top: 1.4rem; }
.fine-card p { color: var(--slate); margin: 0; }

/* footer */
.footer {
  display: flex; justify-content: space-between; gap: 2rem; flex-wrap: wrap;
  padding: 2.5rem clamp(1rem, 4vw, 2.5rem);
  border-top: 2px solid var(--navy);
}
.footer p { margin: 0 0 0.4em; color: var(--slate); }
.footer .brand { font-size: 1.4rem; }

/* reveal on scroll */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .cloud-track, .marquee-track, .scroll-hint span { animation: none; }
}

/* responsive */
@media (max-width: 820px) {
  .grid-2, .steps { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .nav-links { display: none; }
  .hero-copy { margin-top: 0; }
  /* Satu lapis awan saja di HP: tanpa gambar ganda, tanpa lapis kedua. */
  .cloud-b { display: none; }
  .cloud-track img:nth-child(2) { display: none; }
  .cloud-track { animation: sway 16s ease-in-out infinite alternate; }
  .cloud-a .cloud-track img { width: 78vw; }
  .cloud-a { top: 8%; }
}
@keyframes sway {
  from { transform: translateX(-6%); }
  to { transform: translateX(6%); }
}