/* Nelayan Trip Agent — maritime palette, dark-first */
:root {
  --ink-deep: #061521;
  --ink-mid: #0a1f33;
  --ink-card: #0f2a44;
  --line: #1a3a5c;
  --wave: #1e5470;
  --foam: #e9f0f6;
  --foam-mute: #9aafc4;
  --sun: #ffb84d;
  --sun-soft: #ffd28a;
  --coral: #ff6b6b;
  --leaf: #67c79a;
  --mono: ui-monospace, "JetBrains Mono", "Fira Code", Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, system-ui, sans-serif;
  --radius: 14px;
  --shadow: 0 18px 42px rgba(0, 0, 0, 0.45);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  background: var(--ink-deep);
  color: var(--foam);
  font-family: var(--sans);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

body {
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(255, 184, 77, 0.08), transparent 60%),
    radial-gradient(900px 500px at -10% 30%, rgba(30, 84, 112, 0.4), transparent 60%),
    var(--ink-deep);
  min-height: 100vh;
}

a {
  color: var(--sun-soft);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Top nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(8px);
  background: rgba(6, 21, 33, 0.7);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  max-width: 1080px;
  margin: 0 auto;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  letter-spacing: 0.2px;
}
.brand-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--sun);
  box-shadow: 0 0 14px var(--sun);
}
.nav-links {
  display: flex;
  gap: 22px;
  font-size: 14px;
  color: var(--foam-mute);
}
.nav-links a {
  color: var(--foam-mute);
}
.nav-links a:hover {
  color: var(--foam);
  text-decoration: none;
}

.lang-toggle {
  display: flex;
  gap: 6px;
  align-items: center;
  padding: 4px;
  background: var(--ink-card);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12px;
  font-family: var(--mono);
}
.lang-toggle button {
  background: transparent;
  border: none;
  color: var(--foam-mute);
  padding: 4px 10px;
  border-radius: 999px;
  cursor: pointer;
  font-family: var(--mono);
}
.lang-toggle button.active {
  background: var(--wave);
  color: var(--foam);
}

/* Hero */
.hero {
  padding: 64px 0 56px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}
@media (max-width: 860px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .hero-art {
    order: -1;
  }
}
.hero-art img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  display: block;
}
.eyebrow {
  display: inline-block;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sun);
  background: rgba(255, 184, 77, 0.08);
  border: 1px solid rgba(255, 184, 77, 0.25);
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 22px;
}
h1 {
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.05;
  margin: 0 0 18px;
  letter-spacing: -0.02em;
}
h1 .accent {
  color: var(--sun);
}
.lede {
  font-size: clamp(16px, 1.6vw, 19px);
  color: var(--foam-mute);
  max-width: 680px;
}
.cta-row {
  display: flex;
  gap: 12px;
  margin-top: 28px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 18px;
  border-radius: 10px;
  font-weight: 500;
  font-size: 14px;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: var(--sans);
  transition: transform 0.08s ease, background 0.15s ease;
}
.btn-primary {
  background: var(--sun);
  color: var(--ink-deep);
}
.btn-primary:hover {
  background: var(--sun-soft);
  text-decoration: none;
}
.btn-ghost {
  background: transparent;
  color: var(--foam);
  border-color: var(--line);
}
.btn-ghost:hover {
  border-color: var(--wave);
  text-decoration: none;
}
.btn:active {
  transform: translateY(1px);
}

/* Section */
section {
  padding: 56px 0;
  border-top: 1px solid var(--line);
}
section h2 {
  font-size: clamp(24px, 3vw, 32px);
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}
section .sub {
  color: var(--foam-mute);
  margin: 0 0 28px;
  max-width: 720px;
}

/* Persona card */
.persona {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 24px;
  background: var(--ink-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
}
.persona-avatar {
  aspect-ratio: 1;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, var(--wave), var(--ink-mid));
}
.persona-avatar img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}
.persona-name {
  font-size: 22px;
  font-weight: 600;
  margin: 0 0 4px;
}
.persona-sub {
  color: var(--foam-mute);
  font-family: var(--mono);
  font-size: 13px;
  margin: 0 0 16px;
}
.persona-quote {
  border-left: 3px solid var(--sun);
  padding: 4px 0 4px 14px;
  color: var(--foam);
  font-style: italic;
  margin: 0 0 16px;
}
.persona-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  font-family: var(--mono);
  font-size: 13px;
}
.persona-stat {
  background: rgba(30, 84, 112, 0.3);
  border: 1px solid var(--line);
  padding: 10px 12px;
  border-radius: 8px;
}
.persona-stat strong {
  color: var(--sun);
  display: block;
  font-size: 18px;
  font-weight: 600;
}
.persona-stat span {
  color: var(--foam-mute);
}

@media (max-width: 720px) {
  .persona {
    grid-template-columns: 1fr;
  }
  .persona-avatar {
    max-width: 200px;
  }
}

/* Phase cards */
.phases {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.phase {
  background: var(--ink-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  position: relative;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.phase:hover {
  border-color: var(--wave);
  transform: translateY(-2px);
}
.phase-badge {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--sun);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.phase h3 {
  margin: 0 0 8px;
  font-size: 18px;
}
.phase p {
  color: var(--foam-mute);
  font-size: 14px;
  margin: 0 0 14px;
}
.phase-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.tool-chip {
  font-family: var(--mono);
  font-size: 11px;
  background: rgba(30, 84, 112, 0.4);
  color: var(--foam);
  padding: 4px 8px;
  border-radius: 6px;
  border: 1px solid var(--line);
}
@media (max-width: 760px) {
  .phases {
    grid-template-columns: 1fr;
  }
}

/* Cost tier viz */
.cost-tier {
  background: var(--ink-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
}
.tier-bar {
  display: flex;
  height: 44px;
  border-radius: 8px;
  overflow: hidden;
  margin: 14px 0 18px;
  border: 1px solid var(--line);
}
.tier-cheap {
  flex: 0 0 82%;
  background: linear-gradient(90deg, var(--leaf), #4ea580);
  display: flex;
  align-items: center;
  padding: 0 14px;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--ink-deep);
  font-weight: 600;
}
.tier-smart {
  flex: 0 0 18%;
  background: linear-gradient(90deg, var(--sun), #d99036);
  display: flex;
  align-items: center;
  padding: 0 14px;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--ink-deep);
  font-weight: 600;
  justify-content: flex-end;
}
.tier-legend {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  font-size: 14px;
}
.tier-legend > div {
  background: rgba(0, 0, 0, 0.2);
  padding: 14px;
  border-radius: 8px;
  border-left: 3px solid var(--leaf);
}
.tier-legend > div:last-child {
  border-left-color: var(--sun);
}
.tier-legend strong {
  color: var(--foam);
  display: block;
  margin-bottom: 4px;
}
.tier-legend span {
  color: var(--foam-mute);
}

/* Architecture diagram */
.arch {
  background: var(--ink-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  overflow-x: auto;
}
.arch img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
}

/* Honest section */
.honest {
  background:
    linear-gradient(180deg, rgba(255, 107, 107, 0.04), transparent),
    var(--ink-card);
  border: 1px solid var(--line);
  border-left: 3px solid var(--coral);
  border-radius: var(--radius);
  padding: 24px 28px;
}
.honest h3 {
  color: var(--coral);
  font-size: 14px;
  margin: 0 0 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-family: var(--mono);
}
.honest ul {
  margin: 0;
  padding-left: 18px;
  color: var(--foam-mute);
  font-size: 14px;
}
.honest li {
  margin-bottom: 8px;
}
.honest li strong {
  color: var(--foam);
}

/* Roadmap */
.roadmap {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.milestone {
  background: var(--ink-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  position: relative;
}
.milestone .mark {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid var(--line);
  margin-bottom: 12px;
  background: var(--ink-deep);
}
.milestone.done .mark {
  border-color: var(--leaf);
  background: var(--leaf);
}
.milestone.now .mark {
  border-color: var(--sun);
  background: var(--sun);
  box-shadow: 0 0 12px var(--sun);
}
.milestone h4 {
  margin: 0 0 6px;
  font-size: 14px;
  font-family: var(--mono);
  color: var(--sun);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.milestone p {
  margin: 0;
  font-size: 13px;
  color: var(--foam-mute);
}
@media (max-width: 760px) {
  .roadmap {
    grid-template-columns: 1fr 1fr;
  }
}

/* Footer */
footer {
  padding: 36px 0 56px;
  border-top: 1px solid var(--line);
  color: var(--foam-mute);
  font-size: 13px;
  text-align: center;
}
footer .small {
  font-family: var(--mono);
  font-size: 11px;
  margin-top: 8px;
  color: var(--line);
}

/* Hidden/show by lang */
[data-lang-en]:not(.active),
[data-lang-id]:not(.active),
[data-lang-cn]:not(.active) {
  display: none !important;
}