:root {
  --salt: #F7F3E8;
  --paper: #EFE6D2;
  --paper-strong: #E4D7BB;
  --sea: #254B5A;
  --sea-soft: #416A78;
  --canal: #6E9FB3;
  --crystal: #B9B7AE;
  --earth: #8B6A4A;
  --gold: #D8B15E;
  --night: #17292F;
  --ink: #1D333B;
  --shadow: 0 20px 52px rgba(37, 75, 90, 0.18);
  --soft-shadow: 0 12px 34px rgba(37, 75, 90, 0.12);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --font-poem: Georgia, "Times New Roman", serif;
  --font-ui: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    linear-gradient(rgba(247,243,232,0.96), rgba(247,243,232,0.96)),
    url("../assets/img/textures/salt-paper.svg");
  font-family: var(--font-ui);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

button { font-family: inherit; }

.noscript {
  padding: 1rem;
  background: var(--night);
  color: var(--salt);
  text-align: center;
}

.app-shell {
  min-height: 100vh;
  padding-bottom: calc(86px + env(safe-area-inset-bottom));
}

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  place-items: center;
  overflow: hidden;
  isolation: isolate;
  padding: 32px 20px calc(110px + env(safe-area-inset-bottom));
}

.hero__image {
  position: absolute;
  inset: 0;
  z-index: -3;
  background:
    linear-gradient(120deg, rgba(23,41,47,0.26), rgba(247,243,232,0.12)),
    url("../assets/img/soline/hero-solines.svg") center / cover no-repeat;
  transform: scale(1.02);
}

.hero__veil {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(circle at 50% 32%, rgba(247,243,232,0.96), rgba(247,243,232,0.72) 42%, rgba(37,75,90,0.22) 100%);
}

.hero__content {
  width: min(700px, 100%);
  text-align: center;
  padding: 32px 22px;
  border-radius: 34px;
  background: rgba(247,243,232,0.74);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
  border: 1px solid rgba(255,255,255,0.54);
}

.brand-mark {
  width: 76px;
  height: 76px;
  margin-bottom: 12px;
  filter: drop-shadow(0 8px 20px rgba(37,75,90,0.2));
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--earth);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.74rem;
  font-weight: 700;
}

h1, h2, h3 {
  font-family: var(--font-poem);
  font-weight: 500;
  color: var(--sea);
  margin: 0;
}

h1 {
  font-size: clamp(3.15rem, 13vw, 6.4rem);
  line-height: 0.95;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

h2 { font-size: clamp(2.05rem, 7vw, 3.6rem); line-height: 1.05; }
h3 { font-size: 1.55rem; line-height: 1.16; }

.subtitle {
  font-family: var(--font-poem);
  font-size: clamp(1.2rem, 4vw, 1.72rem);
  color: var(--sea-soft);
  margin: 12px 0 22px;
}

.intro-text, .intro-line {
  font-size: 1.04rem;
  line-height: 1.72;
  max-width: 560px;
  margin: 0 auto 12px;
}

.intro-line {
  font-family: var(--font-poem);
  font-size: 1.3rem;
  color: var(--earth);
  margin-top: 18px;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.primary-button, .secondary-button, .ghost-button, .soft-button {
  border: 0;
  border-radius: 999px;
  min-height: 46px;
  padding: 13px 22px;
  font-size: 1rem;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.primary-button, .secondary-button {
  background: var(--sea);
  color: var(--salt);
  box-shadow: 0 10px 24px rgba(37,75,90,0.22);
}

.secondary-button { background: var(--earth); }

.ghost-button {
  color: var(--sea);
  background: rgba(255,255,255,0.44);
  border: 1px solid rgba(37,75,90,0.14);
}

.soft-button {
  background: var(--paper);
  color: var(--sea);
  border: 1px solid rgba(37,75,90,0.12);
}

.primary-button:hover, .secondary-button:hover, .ghost-button:hover, .soft-button:hover { transform: translateY(-1px); }
.primary-button:active, .secondary-button:active, .ghost-button:active, .soft-button:active { transform: translateY(1px); }

.main {
  width: min(1180px, 100%);
  margin: 0 auto;
  padding: 30px 16px 0;
}

.view { display: none; animation: fadeIn 220ms ease; }
.view--active { display: block; }

@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

.section-head {
  margin-bottom: 24px;
  padding: 0 4px;
}

.section-head h2 { margin-bottom: 10px; }

.muted {
  color: rgba(29, 51, 59, 0.72);
  line-height: 1.65;
  margin: 0;
  max-width: 760px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 14px 0 0;
  padding: 9px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,0.52);
  border: 1px solid rgba(37,75,90,0.12);
  color: var(--sea-soft);
  font-size: 0.94rem;
}

.route-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(300px, 0.8fr);
  gap: 20px;
}

.map-card, .near-card, .point-card, .audio-card, .memory-card {
  border-radius: var(--radius-xl);
  background: rgba(255,255,255,0.42);
  box-shadow: var(--soft-shadow);
  border: 1px solid rgba(37,75,90,0.1);
  overflow: hidden;
}

.poetic-map {
  aspect-ratio: 1.55 / 1;
  min-height: 320px;
  background: var(--paper);
}

.poetic-map svg { width: 100%; height: 100%; display: block; }

.map-caption {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 18px;
  color: var(--sea-soft);
  font-size: 0.94rem;
  border-top: 1px solid rgba(37,75,90,0.08);
}

.map-point { cursor: pointer; }
.map-point .point-ring { fill: rgba(247,243,232,0.95); stroke: var(--sea); stroke-width: 3; }
.map-point .point-core { fill: var(--gold); }
.map-point.locked .point-core { fill: var(--crystal); }
.map-point.visited .point-ring { stroke: var(--gold); stroke-width: 5; }
.map-point.active .point-ring { animation: pulse 1.8s ease-in-out infinite; }

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.18); opacity: 0.65; }
}

.near-card { padding: 24px; align-self: start; }
.near-card p { line-height: 1.62; color: rgba(29,51,59,0.78); }
.fineprint { font-size: 0.82rem; opacity: 0.72; }

.points-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.point-card {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  min-height: 178px;
}

.point-image {
  min-height: 178px;
  background-size: cover;
  background-position: center;
}

.point-content { padding: 18px; }

.point-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(37,75,90,0.08);
  color: var(--sea-soft);
  font-size: 0.78rem;
  font-weight: 700;
}

.badge--gold { background: rgba(216,177,94,0.24); color: #6f5521; }
.badge--locked { background: rgba(185,183,174,0.22); color: #6f6a5f; }

.point-content p {
  margin: 0 0 14px;
  line-height: 1.55;
  color: rgba(29,51,59,0.74);
}

.audio-list {
  display: grid;
  gap: 16px;
}

.audio-card {
  padding: 20px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 14px;
  align-items: center;
}

.audio-card p { margin: 8px 0 0; color: rgba(29,51,59,0.72); line-height: 1.5; }
.audio-card.locked { opacity: 0.72; }

.memory-card {
  width: min(860px, 100%);
  margin: 0 auto;
  padding: clamp(24px, 6vw, 54px);
  background:
    linear-gradient(rgba(239,230,210,0.88), rgba(247,243,232,0.96)),
    url("../assets/img/textures/salt-paper.svg");
}

.memory-card p {
  font-size: 1.05rem;
  line-height: 1.78;
  color: rgba(29,51,59,0.8);
}

blockquote {
  margin: 28px 0;
  padding-left: 22px;
  border-left: 3px solid var(--gold);
  font-family: var(--font-poem);
  font-size: 1.5rem;
  line-height: 1.55;
  color: var(--sea);
}

.legal-box {
  margin-top: 28px;
  padding: 20px;
  border-radius: 22px;
  background: rgba(255,255,255,0.48);
  border: 1px solid rgba(37,75,90,0.1);
}

.legal-box h3 { margin-bottom: 8px; }
.legal-box p { font-size: 0.96rem; margin-bottom: 0; }

.bottom-nav {
  position: fixed;
  z-index: 20;
  left: 50%;
  bottom: 12px;
  transform: translateX(-50%);
  width: min(560px, calc(100% - 20px));
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 8px;
  padding-bottom: max(8px, env(safe-area-inset-bottom));
  border-radius: 26px;
  background: rgba(247,243,232,0.86);
  backdrop-filter: blur(20px);
  box-shadow: 0 14px 46px rgba(23,41,47,0.22);
  border: 1px solid rgba(255,255,255,0.56);
}

.nav-item {
  border: 0;
  background: transparent;
  color: rgba(37,75,90,0.72);
  border-radius: 20px;
  padding: 8px 6px;
  display: grid;
  place-items: center;
  gap: 2px;
  cursor: pointer;
  font-size: 0.78rem;
}

.nav-icon { font-size: 1.25rem; line-height: 1; }
.nav-item--active { background: var(--sea); color: var(--salt); }

.poem-dialog {
  width: min(760px, calc(100% - 24px));
  max-height: min(86svh, 900px);
  border: 0;
  border-radius: 32px;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  box-shadow: 0 30px 90px rgba(23,41,47,0.38);
  overflow: hidden;
}

.poem-dialog::backdrop { background: rgba(23,41,47,0.58); backdrop-filter: blur(4px); }
.dialog-close {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 3;
  width: 42px;
  height: 42px;
  border-radius: 999px;
  border: 0;
  background: rgba(247,243,232,0.86);
  color: var(--sea);
  font-size: 1.7rem;
  cursor: pointer;
}

.dialog-hero {
  min-height: 240px;
  background-size: cover;
  background-position: center;
  position: relative;
}

.dialog-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(23,41,47,0.56), rgba(23,41,47,0.05));
}

.dialog-body { padding: clamp(22px, 5vw, 40px); }

.dialog-body .poem {
  margin: 24px 0;
  padding: 22px;
  border-radius: 24px;
  background: rgba(247,243,232,0.74);
  font-family: var(--font-poem);
  font-size: clamp(1.34rem, 5vw, 2rem);
  line-height: 1.62;
  color: var(--sea);
}

.dialog-body .commentary {
  line-height: 1.72;
  color: rgba(29,51,59,0.8);
}

.dialog-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }

.source-note {
  margin-top: 22px;
  color: rgba(29,51,59,0.58);
  font-size: 0.86rem;
  line-height: 1.45;
}

.toast {
  position: fixed;
  z-index: 50;
  left: 50%;
  bottom: calc(106px + env(safe-area-inset-bottom));
  transform: translate(-50%, 14px);
  width: min(520px, calc(100% - 28px));
  padding: 14px 16px;
  border-radius: 18px;
  background: var(--night);
  color: var(--salt);
  box-shadow: 0 16px 44px rgba(23,41,47,0.28);
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease, transform 180ms ease;
}

.toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 820px) {
  .route-layout, .points-grid { grid-template-columns: 1fr; }
  .map-caption { flex-direction: column; }
  .point-card { grid-template-columns: 1fr; }
  .point-image { min-height: 190px; }
  .audio-card { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .hero { padding-left: 12px; padding-right: 12px; }
  .hero__content { padding: 28px 16px; }
  .main { padding-left: 12px; padding-right: 12px; }
  .poetic-map { min-height: 270px; aspect-ratio: 1.05 / 1; }
  .bottom-nav { border-radius: 22px; }
  .nav-item { font-size: 0.72rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}