:root {
  --ink: #171914;
  --ink-soft: #3e443c;
  --paper: #eee7dd;
  --paper-deep: #e4dacd;
  --cream: #f8f4ed;
  --green: #244b3b;
  --green-bright: #7fb7a3;
  --purple: #74627d;
  --blue: #2f75a8;
  --line: rgba(23, 25, 20, 0.17);
  --white-line: rgba(255, 255, 255, 0.18);
  --shadow: 0 24px 70px rgba(31, 38, 31, 0.15);
  --radius-sm: 0.75rem;
  --radius-md: 1.5rem;
  --radius-lg: 2.25rem;
  --max: 1200px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  content: "";
  pointer-events: none;
  background:
    radial-gradient(circle at 86% 8%, rgba(127, 183, 163, 0.23), transparent 28rem),
    radial-gradient(circle at 5% 76%, rgba(116, 98, 125, 0.12), transparent 30rem);
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 100;
  padding: 0.7rem 1rem;
  border-radius: 999px;
  background: var(--ink);
  color: white;
  transform: translateY(-180%);
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: relative;
  z-index: 20;
  border-bottom: 1px solid var(--line);
}

.nav-wrap {
  width: min(calc(100% - 2rem), var(--max));
  min-height: 86px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.brand img {
  width: 230px;
  height: auto;
}

.nav-toggle {
  display: none;
  border: 0;
  border-radius: 999px;
  padding: 0.7rem 1rem;
  background: var(--green);
  color: white;
  font: inherit;
  font-weight: 720;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.6rem;
}

.site-nav a {
  position: relative;
  font-size: 0.93rem;
  font-weight: 720;
  text-decoration: none;
}

.site-nav a:not(.button)::after {
  position: absolute;
  right: 0;
  bottom: -0.35rem;
  left: 0;
  height: 2px;
  content: "";
  background: var(--green);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.site-nav a:hover::after,
.site-nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.74rem 1.25rem;
  background: var(--green);
  color: white;
  font-weight: 760;
  line-height: 1.2;
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button:hover {
  background: #173a2c;
  box-shadow: 0 10px 28px rgba(36, 75, 59, 0.2);
  transform: translateY(-2px);
}

.button.secondary {
  border-color: var(--ink);
  background: transparent;
  color: var(--ink);
}

.button.secondary:hover {
  background: rgba(255, 255, 255, 0.45);
}

.button.light {
  background: var(--cream);
  color: var(--green);
}

.button.muted {
  cursor: default;
  background: rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.8);
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.eyebrow.light {
  color: #bfe1d5;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  line-height: 1.03;
  letter-spacing: -0.045em;
}

h1 {
  max-width: 12ch;
  margin-bottom: 1.5rem;
  font-size: clamp(3.4rem, 8vw, 7.5rem);
  font-weight: 770;
}

h2 {
  margin-bottom: 1rem;
  font-size: clamp(2.2rem, 5vw, 4.7rem);
  font-weight: 750;
}

h3 {
  margin-bottom: 0.75rem;
  font-size: clamp(1.35rem, 2vw, 2rem);
  font-weight: 760;
}

.lede {
  max-width: 680px;
  color: var(--ink-soft);
  font-size: clamp(1.15rem, 2vw, 1.42rem);
  line-height: 1.55;
}

.page-shell {
  overflow: hidden;
}

.hero {
  width: min(calc(100% - 2rem), var(--max));
  min-height: calc(100vh - 86px);
  margin: 0 auto;
  padding: clamp(3rem, 8vw, 7.5rem) 0;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.68fr);
  align-items: center;
  gap: clamp(2.5rem, 7vw, 7rem);
}

.hero-copy {
  position: relative;
  z-index: 2;
}

.hero-copy .lede {
  max-width: 600px;
}

.hero-actions {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.phone-stage {
  position: relative;
  width: min(100%, 480px);
  justify-self: center;
}

.phone-stage::before {
  position: absolute;
  inset: 8% -18% -6%;
  z-index: -1;
  border-radius: 50%;
  content: "";
  background: radial-gradient(circle, rgba(111, 157, 140, 0.56), rgba(111, 157, 140, 0) 67%);
  filter: blur(14px);
}

.phone {
  position: relative;
  width: min(100%, 390px);
  margin: 0 auto;
  overflow: hidden;
  border: 11px solid #111613;
  border-radius: 4.1rem;
  background: #111613;
  box-shadow: var(--shadow);
  transform: rotate(1.8deg);
}

.phone::after {
  position: absolute;
  top: 0.75rem;
  left: 50%;
  width: 34%;
  height: 1.7rem;
  border-radius: 999px;
  content: "";
  background: #101512;
  transform: translateX(-50%);
}

.phone img {
  width: 100%;
  height: auto;
  aspect-ratio: 1206 / 2622;
  object-fit: cover;
}

.floating-note {
  position: absolute;
  right: -1rem;
  bottom: 9%;
  max-width: 230px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius-md);
  padding: 1rem 1.1rem;
  background: rgba(29, 48, 43, 0.88);
  color: white;
  box-shadow: 0 18px 50px rgba(18, 28, 24, 0.28);
  backdrop-filter: blur(16px);
}

.floating-note strong,
.floating-note span {
  display: block;
}

.floating-note span {
  margin-top: 0.2rem;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.82rem;
}

.section {
  padding: clamp(5rem, 10vw, 9rem) 0;
}

.section-inner {
  width: min(calc(100% - 2rem), var(--max));
  margin: 0 auto;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(300px, 0.5fr);
  align-items: end;
  gap: 3rem;
  margin-bottom: clamp(2.5rem, 6vw, 5rem);
}

.section-heading h2 {
  max-width: 12ch;
  margin-bottom: 0;
}

.section-heading p {
  max-width: 540px;
  margin-bottom: 0.35rem;
  color: var(--ink-soft);
}

.dark-section {
  background: var(--green);
  color: var(--cream);
}

.purple-section {
  background: #4d4563;
  color: white;
}

.experience-list {
  border-top: 1px solid var(--white-line);
}

.experience-row {
  position: relative;
  min-height: 190px;
  padding: 2.2rem 0;
  display: grid;
  grid-template-columns: 0.35fr 1.15fr 0.8fr auto;
  align-items: center;
  gap: 2rem;
  border-bottom: 1px solid var(--white-line);
  color: inherit;
  text-decoration: none;
  transition: padding 180ms ease, background 180ms ease;
}

.experience-row:hover {
  padding-right: 1rem;
  padding-left: 1rem;
  background: rgba(255, 255, 255, 0.055);
}

.experience-index {
  color: #bfe1d5;
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.experience-row h3 {
  margin: 0;
  color: white;
}

.experience-row p {
  margin: 0;
  color: rgba(255, 255, 255, 0.7);
}

.arrow {
  width: 46px;
  height: 46px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--white-line);
  border-radius: 50%;
  font-size: 1.4rem;
}

.related-app-section {
  background: #dfe7dc;
}

.related-app-card {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.85fr);
  align-items: stretch;
  overflow: hidden;
  border: 1px solid rgba(39, 62, 51, 0.15);
  border-radius: var(--radius-lg);
  background: var(--cream);
  box-shadow: 0 24px 70px rgba(29, 48, 43, 0.12);
}

.related-app-visual {
  position: relative;
  min-height: 520px;
  overflow: hidden;
}

.related-app-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.related-app-icon {
  position: absolute;
  right: 1.5rem;
  bottom: 1.5rem;
  width: 88px;
  height: 88px;
  border: 5px solid rgba(255, 255, 255, 0.9);
  border-radius: 1.35rem;
  box-shadow: 0 16px 45px rgba(18, 35, 27, 0.28);
}

.related-app-copy {
  padding: clamp(2.4rem, 5vw, 5rem);
  align-self: center;
}

.related-app-copy h2 {
  max-width: 11ch;
}

.related-app-copy > p:not(.eyebrow):not(.related-app-note) {
  color: var(--ink-soft);
}

.related-app-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 1.8rem 0;
  padding: 0;
  list-style: none;
}

.related-app-facts li {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.55rem 0.8rem;
  color: var(--green);
  font-size: 0.8rem;
  font-weight: 800;
}

.related-app-note {
  margin: 1.25rem 0 0;
  color: var(--ink-soft);
  font-size: 0.82rem;
}

.nature-page {
  background: #f2eee7;
}

.nature-hero {
  width: min(calc(100% - 2rem), var(--max));
  min-height: calc(100svh - 88px);
  margin: 0 auto;
  padding: clamp(3rem, 7vw, 7rem) 0 clamp(4rem, 8vw, 7rem);
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 0.95fr);
  align-items: center;
  gap: clamp(3rem, 7vw, 7rem);
}

.nature-hero-copy h1 {
  max-width: 9ch;
  margin-top: 1.2rem;
}

.nature-hero-copy .lede {
  max-width: 670px;
}

.download-note {
  margin: 1.2rem 0 0;
  color: var(--ink-soft);
  font-size: 0.86rem;
}

.nature-hero-media {
  position: relative;
  min-height: 690px;
  overflow: hidden;
  border-radius: 12rem 2.2rem 2.2rem 2.2rem;
  box-shadow: var(--shadow);
}

.nature-hero-photo {
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0;
  object-fit: cover;
}

.nature-hero-icon {
  position: absolute;
  right: 1.8rem;
  bottom: 1.8rem;
  width: 110px;
  height: 110px;
  border: 6px solid rgba(255, 255, 255, 0.9);
  border-radius: 1.6rem;
  box-shadow: 0 18px 50px rgba(20, 38, 29, 0.32);
}

.nature-facts {
  margin-bottom: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.58);
}

.nature-intro {
  align-items: center;
}

.nature-feature-image {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--green);
  box-shadow: var(--shadow);
}

.nature-feature-image img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.nature-feature-image figcaption {
  padding: 1rem 1.25rem;
  color: rgba(255, 255, 255, 0.74);
  font-size: 0.85rem;
}

.nature-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--white-line);
  border-bottom: 1px solid var(--white-line);
}

.nature-step {
  padding: 2rem 1.8rem 2.3rem;
  border-right: 1px solid var(--white-line);
}

.nature-step:last-child {
  border-right: 0;
}

.nature-step > span {
  color: #bfe1d5;
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.14em;
}

.nature-step h3 {
  margin-top: 2.6rem;
  color: white;
}

.nature-step p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.68);
}

.nature-seasons {
  background: #dfe7dc;
}

.season-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.season-grid article {
  min-height: 310px;
  padding: 1.8rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  border: 1px solid rgba(38, 66, 52, 0.13);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.58);
}

.season-grid article:nth-child(1) { background: #f1dfdf; }
.season-grid article:nth-child(2) { background: #d1e3cd; }
.season-grid article:nth-child(3) { background: #e7d0ae; }
.season-grid article:nth-child(4) { background: #d8dde1; }

.season-grid article > span {
  margin-bottom: auto;
  color: var(--green);
  font-size: 0.8rem;
  font-weight: 850;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.season-grid h3 {
  margin-bottom: 0.55rem;
  font-size: 1.45rem;
}

.season-grid p {
  margin: 0;
  color: var(--ink-soft);
}

.nature-cta {
  padding-right: clamp(2.2rem, 16vw, 15rem);
}

.nature-cta > img {
  position: absolute;
  z-index: 2;
  top: 50%;
  right: clamp(2rem, 6vw, 5rem);
  width: clamp(95px, 12vw, 170px);
  border: 6px solid rgba(255, 255, 255, 0.16);
  border-radius: 2rem;
  transform: translateY(-50%) rotate(3deg);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.24);
}

.case-study-link {
  margin-top: 2rem;
  font-size: 0.9rem;
}

.case-study-link a {
  color: white;
  text-underline-offset: 0.22em;
}

.mechanic {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  align-items: center;
  gap: clamp(3rem, 8vw, 8rem);
}

.clue-orbit {
  position: relative;
  min-height: 500px;
  display: grid;
  place-items: center;
}

.clue-orbit::before,
.clue-orbit::after {
  position: absolute;
  border: 1px solid var(--line);
  border-radius: 50%;
  content: "";
}

.clue-orbit::before {
  width: 390px;
  height: 390px;
}

.clue-orbit::after {
  width: 280px;
  height: 280px;
}

.master-puzzle {
  position: relative;
  z-index: 2;
  width: 175px;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border-radius: 50%;
  padding: 1.5rem;
  background: var(--green);
  color: white;
  text-align: center;
  box-shadow: var(--shadow);
}

.waypoint {
  position: absolute;
  z-index: 3;
  width: 70px;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--cream);
  color: var(--green);
  font-weight: 850;
  box-shadow: 0 12px 30px rgba(29, 40, 34, 0.11);
}

.waypoint:nth-of-type(1) { transform: translate(-185px, -145px); }
.waypoint:nth-of-type(2) { transform: translate(180px, -120px); }
.waypoint:nth-of-type(3) { transform: translate(196px, 125px); }
.waypoint:nth-of-type(4) { transform: translate(-165px, 160px); }

.steps {
  counter-reset: process;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.step {
  position: relative;
  padding: 1.6rem 0 1.6rem 4.4rem;
  border-bottom: 1px solid var(--line);
}

.step::before {
  position: absolute;
  top: 1.6rem;
  left: 0;
  width: 2.8rem;
  height: 2.8rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  content: counter(process, decimal-leading-zero);
  counter-increment: process;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 850;
}

.step h3 {
  margin-bottom: 0.35rem;
  font-size: 1.3rem;
  letter-spacing: -0.025em;
}

.step p {
  margin: 0;
  color: var(--ink-soft);
}

.access-band {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(300px, 0.7fr);
  align-items: center;
  gap: clamp(3rem, 7vw, 7rem);
}

.access-band h2 {
  max-width: 13ch;
}

.access-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--white-line);
}

.access-list div {
  padding: 1rem 0;
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  border-bottom: 1px solid var(--white-line);
}

.access-list span:last-child {
  color: rgba(255, 255, 255, 0.68);
  text-align: right;
}

.cta-panel {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  padding: clamp(2.2rem, 7vw, 5.5rem);
  background: var(--ink);
  color: white;
}

.cta-panel::after {
  position: absolute;
  top: -5rem;
  right: -4rem;
  width: 21rem;
  height: 21rem;
  border: 5rem solid rgba(127, 183, 163, 0.12);
  border-radius: 50%;
  content: "";
}

.cta-panel h2,
.cta-panel p,
.cta-panel .hero-actions {
  position: relative;
  z-index: 2;
}

.cta-panel h2 {
  max-width: 12ch;
}

.cta-panel p {
  max-width: 620px;
  color: rgba(255, 255, 255, 0.72);
}

.page-hero {
  width: min(calc(100% - 2rem), var(--max));
  margin: 0 auto;
  padding: clamp(4rem, 10vw, 8rem) 0 clamp(3.5rem, 7vw, 6rem);
}

.page-hero h1 {
  max-width: 13ch;
  font-size: clamp(3.2rem, 7vw, 6.5rem);
}

.breadcrumb {
  margin-bottom: 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  color: var(--ink-soft);
  font-size: 0.84rem;
}

.breadcrumb a {
  text-underline-offset: 0.18em;
}

.status-line {
  margin-bottom: 1.2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.35rem 0.72rem;
  background: rgba(255, 255, 255, 0.25);
  color: var(--green);
  font-size: 0.76rem;
  font-weight: 820;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.trail-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.7fr);
  align-items: center;
  gap: clamp(2.5rem, 8vw, 7rem);
}

.trail-art {
  position: relative;
  min-height: 430px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border-radius: var(--radius-lg);
  padding: 2rem;
  background: var(--purple);
  color: white;
  box-shadow: var(--shadow);
}

.trail-art::before,
.trail-art::after {
  position: absolute;
  border-radius: 50%;
  content: "";
}

.trail-art::before {
  right: -15%;
  bottom: -18%;
  width: 25rem;
  height: 25rem;
  border: 5rem solid rgba(255, 255, 255, 0.08);
}

.trail-art::after {
  top: 2rem;
  left: 2rem;
  width: 1rem;
  height: 1rem;
  background: #bfe1d5;
  box-shadow: 4rem 5rem 0 #bfe1d5, 12rem 1rem 0 #bfe1d5, 15rem 12rem 0 #bfe1d5, 5rem 16rem 0 #bfe1d5;
}

.trail-art .art-mark {
  position: relative;
  z-index: 3;
  max-width: 8ch;
  font-size: clamp(2rem, 4vw, 4rem);
  font-weight: 800;
  line-height: 0.98;
  letter-spacing: -0.05em;
}

.facts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.fact {
  min-height: 150px;
  padding: 1.4rem 1.5rem;
  border-right: 1px solid var(--line);
}

.fact:last-child {
  border-right: 0;
}

.fact strong,
.fact span {
  display: block;
}

.fact strong {
  margin-bottom: 0.6rem;
  font-size: 1.15rem;
}

.fact span {
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.two-column {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(300px, 0.7fr);
  gap: clamp(3rem, 8vw, 8rem);
}

.prose {
  max-width: 760px;
}

.prose h2 {
  margin-top: 3.5rem;
  font-size: clamp(2rem, 4vw, 3.5rem);
}

.prose h2:first-child {
  margin-top: 0;
}

.prose h3 {
  margin-top: 2.5rem;
  font-size: 1.4rem;
}

.prose p,
.prose li {
  color: var(--ink-soft);
}

.prose a {
  color: var(--green);
  font-weight: 700;
  text-underline-offset: 0.2em;
}

.detail-panel {
  align-self: start;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 1.6rem;
  background: rgba(255, 255, 255, 0.26);
}

.detail-panel h2 {
  font-size: 1.5rem;
}

.detail-list {
  margin: 0;
}

.detail-list div {
  padding: 0.85rem 0;
  display: grid;
  grid-template-columns: 0.65fr 1fr;
  gap: 1rem;
  border-top: 1px solid var(--line);
}

.detail-list dt {
  color: var(--ink-soft);
}

.detail-list dd {
  margin: 0;
  font-weight: 720;
}

.notice {
  border-left: 4px solid var(--green);
  padding: 1rem 1.2rem;
  background: rgba(255, 255, 255, 0.32);
}

.faq {
  max-width: 900px;
  border-top: 1px solid var(--line);
}

.faq details {
  border-bottom: 1px solid var(--line);
}

.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 1.35rem 3rem 1.35rem 0;
  font-size: 1.15rem;
  font-weight: 750;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq details {
  position: relative;
}

.faq details::after {
  position: absolute;
  top: 1.3rem;
  right: 0;
  content: "+";
  color: var(--green);
  font-size: 1.4rem;
  font-weight: 700;
}

.faq details[open]::after {
  content: "–";
}

.faq details p {
  max-width: 720px;
  padding: 0 0 1.4rem;
  color: var(--ink-soft);
}

.site-footer {
  padding: 4rem 0 2rem;
  background: #131a16;
  color: white;
}

.footer-inner {
  width: min(calc(100% - 2rem), var(--max));
  margin: 0 auto;
}

.footer-top {
  padding-bottom: 3rem;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  border-bottom: 1px solid var(--white-line);
}

.footer-top img {
  width: 230px;
  height: auto;
  display: block;
  filter: invert(1) grayscale(1) brightness(4);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.6rem 2rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.78);
  text-underline-offset: 0.2em;
}

.footer-bottom {
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  color: rgba(255, 255, 255, 0.56);
  font-size: 0.82rem;
}

.reveal {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 500ms ease, transform 500ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 900px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: 76px;
    right: 1rem;
    left: 1rem;
    display: none;
    align-items: stretch;
    flex-direction: column;
    gap: 0;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    padding: 0.8rem;
    background: var(--cream);
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 0.8rem;
  }

  .site-nav .button {
    margin-top: 0.35rem;
  }

  .hero,
  .nature-hero,
  .trail-hero-grid,
  .section-heading,
  .mechanic,
  .access-band,
  .related-app-card,
  .two-column,
  .footer-top {
    grid-template-columns: 1fr;
  }

  .nature-hero {
    min-height: 0;
  }

  .nature-hero-media {
    min-height: 620px;
  }

  .hero {
    padding-top: 4rem;
  }

  .phone-stage {
    max-width: 420px;
  }

  .section-heading {
    align-items: start;
    gap: 1.2rem;
  }

  .experience-row {
    grid-template-columns: 0.2fr 1fr auto;
  }

  .experience-row p {
    grid-column: 2 / -1;
  }

  .related-app-visual {
    min-height: 430px;
  }

  .facts {
    grid-template-columns: repeat(2, 1fr);
  }

  .nature-steps,
  .season-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .nature-step:nth-child(2) {
    border-right: 0;
  }

  .nature-step:nth-child(-n + 2) {
    border-bottom: 1px solid var(--white-line);
  }

  .fact:nth-child(2) {
    border-right: 0;
  }

  .fact:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }
}

@media (max-width: 620px) {
  body {
    font-size: 16px;
  }

  .nav-wrap {
    min-height: 74px;
  }

  .brand img,
  .footer-top img {
    width: 190px;
  }

  .site-nav {
    top: 66px;
  }

  h1 {
    font-size: clamp(3.1rem, 16vw, 5rem);
  }

  .hero {
    min-height: 0;
  }

  .phone {
    width: 82%;
    border-width: 8px;
    border-radius: 3rem;
  }

  .nature-hero-media {
    min-height: 480px;
    border-radius: 6rem 1.5rem 1.5rem 1.5rem;
  }

  .nature-hero-icon {
    right: 1rem;
    bottom: 1rem;
    width: 78px;
    height: 78px;
    border-width: 4px;
    border-radius: 1.15rem;
  }

  .floating-note {
    right: 0;
    bottom: 5%;
    max-width: 190px;
  }

  .experience-row {
    min-height: 0;
    grid-template-columns: 1fr auto;
    gap: 0.8rem 1.2rem;
  }

  .experience-index {
    grid-column: 1 / -1;
  }

  .experience-row p {
    grid-column: 1 / -1;
  }

  .related-app-visual {
    min-height: 290px;
  }

  .related-app-copy {
    padding: 2rem 1.4rem 2.4rem;
  }

  .related-app-icon {
    right: 1rem;
    bottom: 1rem;
    width: 70px;
    height: 70px;
    border-width: 4px;
    border-radius: 1rem;
  }

  .clue-orbit {
    min-height: 390px;
    transform: scale(0.8);
  }

  .facts {
    grid-template-columns: 1fr;
  }

  .nature-steps,
  .season-grid {
    grid-template-columns: 1fr;
  }

  .nature-step,
  .nature-step:nth-child(2) {
    border-right: 0;
    border-bottom: 1px solid var(--white-line);
  }

  .nature-step:last-child {
    border-bottom: 0;
  }

  .season-grid article {
    min-height: 245px;
  }

  .nature-cta {
    padding-right: 2.2rem;
    padding-bottom: 11rem;
  }

  .nature-cta > img {
    top: auto;
    right: auto;
    bottom: 2rem;
    left: 2rem;
    width: 105px;
    transform: rotate(3deg);
  }

  .fact,
  .fact:nth-child(2) {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .fact:last-child {
    border-bottom: 0;
  }

  .detail-list div {
    grid-template-columns: 1fr;
    gap: 0.2rem;
  }

  .footer-links {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.4rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}