:root {
  --evergreen: #174b3b;
  --evergreen-deep: #0f352a;
  --blue: #067ca0;
  --blue-dark: #075f79;
  --water: #e9f5f6;
  --mist: #f5f8f6;
  --paper: #fffefd;
  --ink: #16332c;
  --muted: #5b7069;
  --sand: #dce5da;
  --line: rgba(23, 75, 59, 0.18);
  --serif: Iowan Old Style, Iowan, Georgia, Times, serif;
  --sans:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  min-width: 320px;
  background: var(--paper);
  color: var(--ink);
}
a {
  color: inherit;
  text-underline-offset: 0.2em;
}
a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 4px;
}
button {
  font: inherit;
}

.skip-link {
  position: fixed;
  z-index: 20;
  top: 1rem;
  left: 1rem;
  padding: 0.7rem 1rem;
  background: var(--ink);
  color: #fff;
  transform: translateY(-170%);
  transition: transform 160ms ease;
}
.skip-link:focus {
  transform: translateY(0);
}
.site-header {
  position: relative;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  max-width: 1440px;
  margin: 0 auto;
  padding: 1.2rem clamp(1.25rem, 4vw, 4.5rem);
}
.brand {
  display: inline-flex;
  align-items: center;
  min-width: 8rem;
}
.brand img,
.site-footer img {
  display: block;
  width: auto;
  height: 2.45rem;
  max-width: 11rem;
  object-fit: contain;
  object-position: left center;
}
.brand {
  gap: 0.55rem;
  text-decoration: none;
}
.brand-label {
  font-size: 1.55rem;
  font-weight: 850;
  letter-spacing: -0.055em;
  color: var(--evergreen);
}
.brand-label span {
  color: var(--blue);
}
.site-header nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(1rem, 2.5vw, 2.25rem);
}
.site-header nav a,
.header-cta {
  font-size: 0.79rem;
  font-weight: 700;
  letter-spacing: 0.055em;
  text-decoration: none;
}
.site-header nav a {
  color: var(--evergreen);
}
.site-header nav a:hover {
  color: var(--blue);
}
.header-cta {
  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
  padding: 0.75rem 0.95rem;
  background: var(--evergreen);
  color: #fff;
}
.header-cta:hover {
  background: var(--blue);
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(24rem, 1.12fr);
  gap: clamp(2rem, 6vw, 7rem);
  align-items: center;
  max-width: 1440px;
  min-height: 650px;
  margin: 0 auto;
  padding: clamp(2.5rem, 7vw, 7rem) clamp(1.25rem, 7vw, 8rem)
    clamp(4rem, 8vw, 8rem);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  width: 33rem;
  height: 33rem;
  top: 0;
  left: -20rem;
  border-radius: 50%;
  background: var(--water);
  z-index: -1;
}
.hero-copy {
  position: relative;
  z-index: 1;
  max-width: 39rem;
}
.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 1.1rem;
  color: var(--blue-dark);
  font-size: 0.73rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.eyebrow span {
  width: 1.45rem;
  height: 2px;
  background: currentColor;
}
h1,
h2,
h3,
p {
  overflow-wrap: break-word;
}
h1,
h2 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 0.98;
}
h1 {
  font-size: clamp(3.3rem, 6.3vw, 6.55rem);
  color: var(--evergreen-deep);
}
h1 em {
  color: var(--blue);
  font-style: italic;
}
.hero-intro {
  max-width: 35rem;
  margin: 1.7rem 0 0;
  color: #39564e;
  font-size: clamp(1rem, 1.35vw, 1.2rem);
  line-height: 1.65;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.4rem;
  margin-top: 2.2rem;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  min-height: 3.35rem;
  padding: 0.9rem 1.2rem;
  border: 1px solid transparent;
  border-radius: 0;
  font-size: 0.88rem;
  font-weight: 800;
  text-decoration: none;
  transition:
    background 180ms ease,
    transform 180ms ease;
}
.button-primary {
  background: var(--blue);
  color: #fff;
  box-shadow: 7px 7px 0 #b5dce2;
}
.button-primary:hover {
  background: var(--evergreen);
  transform: translate(-2px, -2px);
}
.text-link {
  font-size: 0.88rem;
  font-weight: 800;
  color: var(--evergreen);
}
.independence-note {
  max-width: 33rem;
  margin: 2rem 0 0;
  padding-left: 0.85rem;
  border-left: 2px solid var(--blue);
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.55;
}
.hero-visual {
  position: relative;
  align-self: stretch;
  min-height: 28rem;
}
.river-figure {
  position: absolute;
  inset: 0 0 0 0;
  margin: 0;
  background: var(--evergreen);
  overflow: hidden;
}
.river-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    120deg,
    rgba(9, 43, 35, 0.31),
    transparent 55%,
    rgba(6, 124, 160, 0.24)
  );
  mix-blend-mode: multiply;
  pointer-events: none;
}
.river-figure img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center;
}
.river-figure figcaption {
  position: absolute;
  right: 0;
  bottom: 0;
  z-index: 1;
  max-width: min(28rem, 88%);
  margin: 0;
  padding: 0.8rem 0.9rem;
  background: rgba(15, 53, 42, 0.91);
  color: #fff;
  font-size: 0.65rem;
  line-height: 1.42;
}
.river-figure figcaption a {
  color: #d6f4fb;
}
.hero-location {
  position: absolute;
  z-index: 2;
  top: 2rem;
  left: -1.45rem;
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.7rem 0.85rem;
  background: var(--paper);
  color: var(--evergreen);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  box-shadow: 5px 5px 0 rgba(6, 124, 160, 0.2);
}
.hero-location span {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--blue);
}

.intro-band {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 2rem;
  align-items: center;
  max-width: 1100px;
  margin: 0 auto;
  padding: 2.15rem clamp(1.25rem, 4vw, 3rem);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--evergreen);
}
.intro-band p {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  line-height: 1.15;
}
.intro-band p:last-child {
  text-align: right;
  color: var(--blue-dark);
}
.intro-rule {
  width: 1px;
  height: 2.7rem;
  background: var(--line);
}
.section-shell {
  max-width: 1280px;
  margin: 0 auto;
  padding: clamp(5rem, 10vw, 9rem) clamp(1.25rem, 5vw, 4.5rem);
}
.section-heading {
  max-width: 48rem;
}
h2 {
  font-size: clamp(2.8rem, 5vw, 5.5rem);
  color: var(--evergreen-deep);
}

.benefits {
  position: relative;
}
.benefit-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.1rem;
  margin-top: clamp(2.4rem, 5vw, 4.5rem);
}
.benefit-card {
  min-height: 22.5rem;
  padding: 1.65rem;
  background: var(--mist);
  border-top: 4px solid var(--evergreen);
}
.benefit-card:nth-child(1),
.benefit-card:nth-child(4) {
  grid-column: span 5;
}
.benefit-card:nth-child(2),
.benefit-card:nth-child(3) {
  grid-column: span 7;
}
.benefit-card-private {
  background: var(--evergreen);
  color: #f6fbf7;
  border-color: var(--blue);
}
.benefit-card-offline {
  background: var(--water);
  border-color: var(--blue);
}
.benefit-card-conditions {
  background: #f7f2e8;
  border-color: #a47c2d;
}
.card-number {
  display: block;
  margin-bottom: 4rem;
  color: var(--blue);
  font-size: 0.73rem;
  font-weight: 900;
  letter-spacing: 0.13em;
}
.benefit-card-private .card-number {
  color: #93e1ef;
}
.benefit-card h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.8rem, 2.5vw, 2.55rem);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1;
}
.benefit-card p {
  max-width: 31rem;
  margin: 1rem 0 0;
  font-size: 0.94rem;
  line-height: 1.6;
}
.benefit-card .microcopy {
  margin-top: 1.25rem;
  color: var(--muted);
  font-size: 0.73rem;
  line-height: 1.48;
}
.benefit-card-private .microcopy {
  color: #b9d8cb;
}

.tutorial {
  background: var(--evergreen-deep);
  color: #ecf7f2;
  max-width: none;
  padding-right: max(calc((100vw - 1280px) / 2 + 4.5rem), 5vw);
  padding-left: max(calc((100vw - 1280px) / 2 + 4.5rem), 5vw);
}
.tutorial h2 {
  color: #fff;
}
.tutorial-intro {
  max-width: 47rem;
}
.tutorial-intro > p:not(.eyebrow) {
  max-width: 39rem;
  margin: 1.4rem 0 0;
  color: #b8d7ca;
  line-height: 1.65;
}
.tutorial-layout {
  display: grid;
  grid-template-columns: minmax(18rem, 0.9fr) minmax(20rem, 0.72fr);
  align-items: center;
  gap: clamp(3rem, 10vw, 10rem);
  max-width: 1040px;
  margin: 3.2rem auto 0;
}
.tutorial-kicker {
  margin: 0 0 1.25rem;
  color: #9eddea;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.step-list {
  border-top: 1px solid rgba(209, 245, 234, 0.24);
}
.step-button {
  display: flex;
  align-items: center;
  width: 100%;
  gap: 0.9rem;
  padding: 0.83rem 0.15rem;
  border: 0;
  border-bottom: 1px solid rgba(209, 245, 234, 0.24);
  background: transparent;
  color: #b9d8cb;
  text-align: left;
  cursor: pointer;
  transition:
    color 160ms ease,
    padding 160ms ease;
}
.step-button span {
  color: #7fb6a3;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.06em;
}
.step-button.is-active,
.step-button:hover {
  padding-left: 0.55rem;
  color: #fff;
}
.step-button.is-active span {
  color: #9eddea;
}
.tutorial-copy {
  min-height: 14rem;
  margin-top: 2.6rem;
  padding: 1.4rem 0 0;
  border-top: 1px solid rgba(209, 245, 234, 0.24);
}
.tutorial-label {
  margin: 0;
  color: #9eddea;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.tutorial-copy h3 {
  margin: 0.8rem 0 0;
  color: #fff;
  font-family: var(--serif);
  font-size: clamp(1.85rem, 3vw, 2.85rem);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1.04;
}
.tutorial-copy > p:not(.tutorial-label):not(.tutorial-caution) {
  max-width: 38rem;
  margin: 1rem 0 0;
  color: #cee5da;
  line-height: 1.65;
}
.tutorial-caution {
  margin: 1.1rem 0 0;
  color: #aad1c1;
  font-size: 0.78rem;
  font-style: italic;
  line-height: 1.5;
}
.tutorial-nav {
  display: flex;
  gap: 0.7rem;
  margin-top: 1rem;
}
.nav-button {
  min-height: 2.7rem;
  padding: 0.55rem 0.75rem;
  border: 1px solid rgba(209, 245, 234, 0.48);
  background: transparent;
  color: #e4f7ee;
  font-size: 0.78rem;
  font-weight: 800;
  cursor: pointer;
}
.nav-button:hover:not(:disabled) {
  border-color: #9eddea;
  background: rgba(158, 221, 234, 0.12);
}
.nav-button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}
.nav-button-next {
  border-color: #9eddea;
  background: #9eddea;
  color: var(--evergreen-deep);
}
.phone-stage {
  position: relative;
  display: grid;
  justify-items: center;
}
.phone-shadow {
  position: absolute;
  bottom: 1.5rem;
  width: 80%;
  height: 2rem;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.3);
  filter: blur(14px);
}
.phone-demo {
  position: relative;
  z-index: 1;
  width: min(100%, 22rem);
  padding: 0.7rem;
  border: 7px solid #c7ded3;
  border-radius: 2.3rem;
  background: #0c211a;
  box-shadow: 15px 18px 0 rgba(5, 17, 13, 0.38);
  transform: rotate(2.4deg);
}
.phone-speaker {
  width: 4.6rem;
  height: 0.32rem;
  margin: 0 auto 0.55rem;
  border-radius: 1rem;
  background: #9eb8ad;
}
.phone-screen {
  min-height: 31rem;
  padding: 1.25rem;
  border-radius: 1.45rem;
  background: #f5fbf7;
  color: var(--evergreen-deep);
  overflow: hidden;
}
.demo-topline {
  display: flex;
  justify-content: space-between;
  color: var(--evergreen);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.07em;
}
.demo-disclaimer {
  margin: 1.5rem 0 0;
  color: #5b7069;
  font-size: 0.64rem;
  font-weight: 700;
  line-height: 1.35;
}
.demo-step-pill {
  display: inline-block;
  margin-top: 1.5rem;
  padding: 0.42rem 0.56rem;
  background: #cfecef;
  color: var(--blue-dark);
  font-size: 0.61rem;
  font-weight: 900;
  letter-spacing: 0.08em;
}
.phone-screen h3 {
  margin: 1rem 0 0;
  max-width: 11rem;
  font-family: var(--serif);
  font-size: 2.35rem;
  font-weight: 500;
  letter-spacing: -0.06em;
  line-height: 0.94;
}
.demo-copy {
  min-height: 4.5rem;
  margin: 1rem 0 0;
  color: #46635a;
  font-size: 0.78rem;
  line-height: 1.5;
}
.demo-module {
  display: flex;
  gap: 0.8rem;
  align-items: center;
  margin-top: 1.4rem;
  padding: 0.9rem;
  border: 1px solid #bfdbcf;
  background: #fff;
}
.module-mark {
  flex: 0 0 2.45rem;
  height: 2.45rem;
  border-radius: 50%;
  background: var(--blue);
  position: relative;
  overflow: hidden;
}
.module-mark::after {
  content: "";
  position: absolute;
  width: 3.1rem;
  height: 0.7rem;
  right: -0.2rem;
  bottom: 0.45rem;
  background: rgba(255, 255, 255, 0.78);
  border-radius: 50%;
  transform: rotate(-17deg);
}
.module-mark-notice {
  background: var(--evergreen);
}
.module-mark-conditions {
  background: #ba8b32;
}
.module-mark-private {
  background: #7e658d;
}
.module-mark-offline {
  background: var(--blue);
}
.demo-module strong,
.demo-module small {
  display: block;
}
.demo-module strong {
  font-size: 0.75rem;
}
.demo-module small {
  margin-top: 0.24rem;
  color: #637b72;
  font-size: 0.65rem;
  line-height: 1.3;
}
.demo-footer {
  margin-top: 1.1rem;
  padding: 0.65rem 0;
  border-top: 1px solid #d5e6de;
  color: #537167;
  font-size: 0.65rem;
  line-height: 1.35;
}
.phone-caption {
  max-width: 21rem;
  margin: 1.65rem 0 0;
  color: #b9d8cb;
  font-size: 0.72rem;
  font-style: italic;
  line-height: 1.5;
  text-align: center;
}

.field-notes {
  display: grid;
  grid-template-columns: minmax(17rem, 0.8fr) minmax(24rem, 1.2fr);
  gap: clamp(3rem, 10vw, 10rem);
  align-items: start;
}
.field-notes-heading {
  position: sticky;
  top: 2rem;
}
.guide-list {
  border-top: 1px solid var(--line);
}
.guide-item {
  border-bottom: 1px solid var(--line);
}
.guide-item h3 {
  margin: 0;
}
.guide-item h3 button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
  padding: 1.35rem 0;
  border: 0;
  background: transparent;
  color: var(--evergreen-deep);
  font-family: var(--serif);
  font-size: clamp(1.25rem, 2vw, 1.6rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.12;
  text-align: left;
  cursor: pointer;
}
.guide-symbol {
  flex: 0 0 auto;
  color: var(--blue);
  font-family: var(--sans);
  font-size: 1.45rem;
  font-weight: 400;
}
.guide-panel {
  padding: 0 2.2rem 1.65rem 0;
  animation: reveal 210ms ease both;
}
.guide-panel p {
  max-width: 42rem;
  margin: 0;
  color: #436057;
  font-size: 0.94rem;
  line-height: 1.68;
}
.source-link {
  display: inline-block;
  margin-top: 1rem;
  color: var(--blue-dark);
  font-size: 0.8rem;
  font-weight: 800;
}
@keyframes reveal {
  from {
    opacity: 0;
    transform: translateY(-0.25rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.closing {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: clamp(2rem, 8vw, 8rem);
  background: var(--water);
  max-width: none;
  padding-right: max(calc((100vw - 1280px) / 2 + 4.5rem), 5vw);
  padding-left: max(calc((100vw - 1280px) / 2 + 4.5rem), 5vw);
}
.closing-copy {
  max-width: 36rem;
}
.closing-copy > p {
  margin: 0;
  color: #3d5d54;
  line-height: 1.7;
}
.store-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.8rem;
}
.store-button {
  display: grid;
  gap: 0.22rem;
  min-width: 10.7rem;
  padding: 0.85rem 0.95rem;
  border: 1px solid #b9d6d7;
  background: rgba(255, 255, 255, 0.6);
  color: #63817b;
  text-align: left;
  opacity: 0.82;
  cursor: not-allowed;
}
.store-button strong {
  color: var(--evergreen);
  font-size: 0.83rem;
}
.store-button span {
  font-size: 0.67rem;
}
.site-footer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  padding: 3rem clamp(1.25rem, 7vw, 8rem) 1.6rem;
  background: var(--evergreen-deep);
  color: #e3f4ed;
}
.site-footer p {
  margin: 0.75rem 0 0;
  color: #b8d7ca;
  font-size: 0.76rem;
  line-height: 1.5;
}
.site-footer img {
  height: 2.8rem;
  background: white;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-content: flex-start;
  gap: 0.7rem 1.35rem;
}
.footer-links a {
  color: #e3f4ed;
  font-size: 0.75rem;
  font-weight: 700;
}
.footer-fineprint {
  grid-column: 1 / -1;
  padding-top: 1rem;
  border-top: 1px solid rgba(216, 242, 230, 0.19);
}

@media (max-width: 850px) {
  .site-header nav {
    display: none;
  }
  .hero {
    grid-template-columns: 1fr;
    min-height: 0;
    padding-top: 3rem;
  }
  .hero-copy {
    max-width: 46rem;
  }
  .hero-visual {
    min-height: min(70vw, 33rem);
    margin-left: 10vw;
  }
  .benefit-card:nth-child(n) {
    grid-column: span 6;
    min-height: 20rem;
  }
  .tutorial-layout {
    grid-template-columns: 1fr;
    max-width: 40rem;
  }
  .phone-stage {
    margin-top: 1rem;
  }
  .field-notes {
    grid-template-columns: 1fr;
  }
  .field-notes-heading {
    position: static;
  }
  .closing {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 580px) {
  .site-header {
    padding-top: 1rem;
    padding-bottom: 0.4rem;
    gap: 0.65rem;
  }
  .header-cta {
    padding: 0.65rem 0.7rem;
    font-size: 0.7rem;
  }
  .brand img {
    height: 2rem;
    max-width: 8.5rem;
  }
  .brand-label {
    font-size: 1.3rem;
  }
  .hero {
    gap: 2.2rem;
    padding-bottom: 4.2rem;
  }
  .hero-visual {
    min-height: 21rem;
    margin-left: 1.5rem;
  }
  .hero-location {
    top: 1rem;
    left: -1rem;
    font-size: 0.56rem;
  }
  .river-figure figcaption {
    max-width: 100%;
    font-size: 0.58rem;
  }
  .intro-band {
    grid-template-columns: 1fr;
    gap: 0.9rem;
  }
  .intro-band p:last-child {
    text-align: left;
  }
  .intro-rule {
    width: 2.7rem;
    height: 1px;
  }
  .benefit-grid {
    grid-template-columns: 1fr;
  }
  .benefit-card:nth-child(n) {
    grid-column: auto;
    min-height: auto;
  }
  .card-number {
    margin-bottom: 2.8rem;
  }
  .tutorial {
    padding-top: 4.5rem;
    padding-bottom: 4.5rem;
  }
  .step-button {
    font-size: 0.86rem;
  }
  .tutorial-copy {
    min-height: 16.5rem;
  }
  .phone-demo {
    transform: none;
  }
  .phone-screen {
    min-height: 28rem;
  }
  .guide-panel {
    padding-right: 0;
  }
  .site-footer {
    grid-template-columns: 1fr;
  }
  .footer-links {
    justify-content: flex-start;
  }
}

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

/* App-first product landing: reuse BC palette and existing teaching components. */
.app-first .site-header {
  position: sticky;
  top: 0;
  background: rgba(255, 254, 253, 0.94);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
  z-index: 15;
}
.app-first .hero {
  grid-template-columns: minmax(0, 1fr) minmax(24rem, 1fr);
  gap: 3rem;
  padding-top: 3.2rem;
  padding-bottom: 4rem;
  min-height: 720px;
}
.app-first h1,
.app-first h2 {
  font-family: var(--sans);
  font-weight: 800;
  letter-spacing: -0.055em;
  line-height: 1.08;
}
.app-first h1 {
  font-size: clamp(3rem, 5.1vw, 5.1rem);
}
.app-first h1 em {
  font-style: normal;
}
.app-first h2 {
  font-size: clamp(2.2rem, 3.6vw, 3.8rem);
}
.app-first .hero-intro {
  font-size: 1.05rem;
  line-height: 1.7;
  margin-top: 1.4rem;
}
.platform-prompts {
  display: flex;
  gap: 0.7rem;
  flex-wrap: wrap;
  margin-top: 1.8rem;
}
.platform-cta {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.8rem 0.95rem;
  min-height: 4.5rem;
  background: var(--evergreen-deep);
  color: #fff;
  text-decoration: none;
  border-radius: 12px;
  border: 1px solid var(--evergreen-deep);
  transition: background 180ms ease;
  flex: 1 1 11rem;
}
.platform-cta:hover {
  background: var(--blue-dark);
  border-color: var(--blue-dark);
}
.platform-cta svg,
.store-button svg {
  width: 1.9rem;
  height: 2.2rem;
  flex-shrink: 0;
}
.platform-cta small {
  display: block;
  font-size: 0.66rem;
  letter-spacing: 0.02em;
  line-height: 1.4;
}
.platform-cta strong {
  display: block;
  margin-top: 0.15rem;
  font-size: 1rem;
  font-weight: 750;
}
.platform-status {
  display: block;
  font-size: 0.61rem;
  font-weight: 500;
  color: #bae4dd;
  line-height: 1.5;
}
.download-note {
  font-size: 0.73rem;
  line-height: 1.5;
  color: var(--muted);
  max-width: 33rem;
  margin: 0.8rem 0 1.1rem;
}
.hero-preview-link {
  display: inline-block;
  font-size: 0.8rem;
}
.hero-feature-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
}
.hero-feature-chips span {
  font-size: 0.65rem;
  font-weight: 700;
  background: var(--water);
  color: var(--evergreen);
  padding: 0.5rem 0.65rem;
  border-radius: 100px;
}
.app-first .app-visual {
  min-height: 580px;
}
.app-first .app-visual .river-figure {
  inset: 1.7rem 0 2.5rem 22%;
  border-radius: 2rem;
}
.app-first .app-visual .river-figure img {
  opacity: 0.85;
}
.app-first .app-visual .river-figure figcaption {
  max-width: 95%;
  padding: 0.6rem 0.85rem;
  font-size: 0.57rem;
}
.product-phone {
  position: relative;
  width: 288px;
  margin: 1.1rem auto 0;
  padding: 12px 9px 9px;
  border: 6px solid #193d33;
  border-radius: 42px;
  background: #152a24;
  box-shadow: 0 25px 55px rgba(15, 53, 42, 0.22);
  transform: rotate(-4deg);
  z-index: 3;
}
.product-island {
  position: absolute;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 17px;
  border-radius: 20px;
  background: #152a24;
  z-index: 2;
}
.product-screen {
  background: #f5faf7;
  border-radius: 29px;
  overflow: hidden;
  padding: 2.2rem 0.95rem 0.8rem;
  min-height: 483px;
  color: var(--evergreen-deep);
}
.product-brand {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}
.product-brand img {
  width: 27px;
  height: 27px;
  object-fit: contain;
}
.product-brand strong {
  font-size: 0.84rem;
  letter-spacing: -0.04em;
}
.product-brand strong span {
  color: var(--blue);
}
.preview-label {
  margin-left: auto;
  font-size: 0.45rem;
  letter-spacing: 0.08em;
  font-weight: 750;
  border: 1px solid #c7ddd3;
  padding: 0.2rem 0.3rem;
  border-radius: 4px;
}
.product-greeting {
  margin: 1.1rem 0 0.35rem;
  font-size: 0.62rem;
  color: var(--muted);
}
.app-first .product-screen h2 {
  font-size: 1.55rem;
  letter-spacing: -0.045em;
  line-height: 1.13;
}
.product-map {
  position: relative;
  height: 143px;
  background: #d8e8da;
  border-radius: 13px;
  margin-top: 0.9rem;
  overflow: hidden;
  background-image:
    linear-gradient(
      32deg,
      transparent 35%,
      rgba(255, 255, 255, 0.7) 35%,
      rgba(255, 255, 255, 0.7) 37%,
      transparent 37%
    ),
    linear-gradient(
      120deg,
      transparent 65%,
      rgba(255, 255, 255, 0.6) 65%,
      rgba(255, 255, 255, 0.6) 67%,
      transparent 67%
    );
}
.map-river {
  position: absolute;
  left: 29%;
  top: -30%;
  width: 75px;
  height: 240px;
  border: 21px solid #79b9cd;
  border-top-color: transparent;
  border-bottom-color: transparent;
  border-radius: 48%;
  transform: rotate(25deg);
}
.map-pin {
  position: absolute;
  width: 15px;
  height: 15px;
  background: var(--evergreen);
  border: 3px solid white;
  border-radius: 50% 50% 50% 0;
  transform: rotate(-45deg);
  box-shadow: 0 3px 5px rgba(0, 0, 0, 0.15);
}
.pin-one {
  top: 40%;
  left: 22%;
}
.pin-two {
  top: 58%;
  left: 69%;
}
.map-label {
  position: absolute;
  left: 9px;
  top: 9px;
  font-size: 0.57rem;
  font-weight: 700;
  background: #ffffffdf;
  padding: 0.3rem 0.45rem;
  border-radius: 5px;
}
.map-mode {
  position: absolute;
  right: 7px;
  bottom: 7px;
  background: var(--evergreen-deep);
  color: white;
  font-size: 0.52rem;
  padding: 0.35rem 0.5rem;
  border-radius: 5px;
}
.product-module {
  display: flex;
  gap: 0.65rem;
  align-items: center;
  padding: 0.7rem 0.5rem;
  background: white;
  border: 1px solid #dce7df;
  border-radius: 10px;
  margin-top: 0.65rem;
}
.product-module strong,
.product-module small {
  display: block;
}
.product-module strong {
  font-size: 0.65rem;
}
.product-module small {
  font-size: 0.5rem;
  line-height: 1.45;
  color: var(--muted);
  margin-top: 0.2rem;
}
.product-module-icon {
  width: 28px;
  height: 28px;
  background: var(--water);
  color: var(--blue-dark);
  display: grid;
  place-items: center;
  flex-shrink: 0;
  border-radius: 8px;
  font-weight: 750;
}
.weather-symbol {
  color: #96721d;
  background: #f9f1d7;
}
.product-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 1rem;
  padding-top: 0.65rem;
  border-top: 1px solid #d7e4db;
  font-size: 0.56rem;
  color: var(--muted);
}
.product-nav .active {
  color: var(--blue);
  font-weight: 750;
}
.floating-feature {
  position: absolute;
  z-index: 4;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.8rem 0.9rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: 0 8px 28px rgba(15, 53, 42, 0.14);
}
.feature-offline {
  left: -0.5rem;
  top: 30%;
  transform: rotate(-3deg);
}
.feature-journal {
  right: -0.3rem;
  bottom: 15%;
  transform: rotate(3deg);
}
.feature-mini-icon {
  width: 31px;
  height: 31px;
  border-radius: 9px;
  background: var(--water);
  color: var(--blue);
  display: grid;
  place-items: center;
  font-size: 1.4rem;
}
.floating-feature img {
  width: 35px;
  height: 35px;
  object-fit: contain;
}
.floating-feature strong {
  display: block;
  font-size: 0.7rem;
}
.floating-feature small {
  display: block;
  font-size: 0.58rem;
  margin-top: 0.25rem;
  color: var(--muted);
}
.hero-preview-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.62rem;
  line-height: 1.4;
}
.app-value-strip {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.5rem 3rem;
  padding: 1.25rem 1.5rem;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--mist);
}
.app-value-strip span {
  font-size: 0.75rem;
  color: var(--muted);
}
.app-value-strip strong {
  color: var(--evergreen);
}
.section-intro {
  max-width: 39rem;
  color: var(--muted);
  line-height: 1.65;
  margin-top: 1.3rem;
}
.app-first .benefits {
  padding-top: 5rem;
  padding-bottom: 5rem;
}
.app-first .benefit-grid {
  gap: 1rem;
  margin-top: 2.8rem;
}
.app-benefits .benefit-card:nth-child(n) {
  grid-column: span 6;
  min-height: 0;
  border-radius: 16px;
  padding: 1.7rem;
}
.app-first .card-number {
  margin-bottom: 1.4rem;
  font-size: 0.65rem;
}
.app-first .benefit-card h3 {
  font-family: var(--sans);
  font-size: 1.65rem;
  font-weight: 750;
  letter-spacing: -0.04em;
  line-height: 1.15;
}
.app-first .benefit-card p {
  font-size: 0.87rem;
  line-height: 1.65;
}
.app-first .benefit-card .microcopy {
  font-size: 0.67rem;
  line-height: 1.55;
}
.benefit-card-identify {
  background: #eff2f8;
  border-color: #526b90;
}
.benefit-card-tools {
  background: #f1f5eb;
  border-color: #69864d;
}
.feature-preview-link {
  display: inline-block;
  margin-top: 1.3rem;
  font-size: 0.73rem;
  font-weight: 750;
  color: var(--blue-dark);
  text-decoration: none;
}
.feature-preview-link:hover {
  text-decoration: underline;
}
.benefit-card-private .feature-preview-link {
  color: #a0dfeb;
}
.features-download {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 2rem;
  border-top: 1px solid var(--line);
  padding-top: 1.7rem;
}
.features-download p {
  font-weight: 700;
  color: var(--evergreen);
  font-size: 0.9rem;
}
.features-download .button {
  border-radius: 10px;
  box-shadow: none;
}
.app-first .tutorial,
.app-first .field-notes,
.app-first .closing {
  padding-top: 5rem;
  padding-bottom: 5rem;
}
.app-first .closing {
  scroll-margin-top: 5rem;
}
.app-first .store-button {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--paper);
  background: var(--evergreen-deep);
  border-radius: 12px;
  border: 0;
  opacity: 1;
}
.app-first .store-button strong {
  color: white;
}
.app-first .store-button small {
  display: block;
  margin-top: 0.4rem;
  font-size: 0.64rem;
  color: #bae4dd;
}
.release-status {
  margin: 1rem 0 !important;
  font-size: 0.77rem;
  line-height: 1.6 !important;
  color: var(--muted) !important;
}
.app-first section[id] {
  scroll-margin-top: 6rem;
}
.mobile-download-bar {
  display: none;
}
@media (max-width: 1100px) {
  .app-first .hero {
    gap: 1.5rem;
    padding-left: 4vw;
    padding-right: 4vw;
  }
  .feature-offline {
    left: 0;
  }
  .feature-journal {
    right: 0;
  }
  .platform-cta {
    padding: 0.75rem 0.8rem;
  }
}
@media (max-width: 850px) {
  .app-first .hero {
    grid-template-columns: 1fr;
    min-height: 0;
    padding: 2rem 1.5rem 3rem;
  }
  .app-first .hero-copy {
    max-width: 40rem;
  }
  .app-first .app-visual {
    min-height: 580px;
    margin: 1.5rem auto 0;
    width: min(100%, 470px);
  }
  .platform-prompts {
    max-width: 34rem;
  }
  .app-first .app-visual .river-figure {
    inset: 1.7rem 0 2.5rem 18%;
  }
  .app-first .app-benefits .benefit-card:nth-child(n) {
    grid-column: span 6;
  }
  .mobile-download-bar {
    display: block;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #fffefdfa;
    backdrop-filter: blur(12px);
    border-top: 1px solid var(--line);
    padding: 0.55rem 1rem calc(0.55rem + env(safe-area-inset-bottom));
    z-index: 18;
  }
  .mobile-platforms {
    display: flex;
    gap: 0.5rem;
  }
  .mobile-platforms .platform-cta {
    min-height: 3.25rem;
    padding: 0.5rem 0.65rem;
    flex: 1;
  }
  .mobile-platforms .platform-cta svg {
    width: 1.4rem;
    height: 1.7rem;
  }
  .mobile-platforms .platform-cta small {
    font-size: 0.54rem;
  }
  .mobile-platforms .platform-cta strong {
    font-size: 0.78rem;
    margin: 0;
  }
  .mobile-platforms .platform-status {
    display: inline;
    font-size: 0.51rem;
    margin-left: 0.35rem;
  }
  .app-first {
    padding-bottom: calc(5.3rem + env(safe-area-inset-bottom));
  }
}
@media (max-width: 580px) {
  .app-first h1 {
    font-size: clamp(2.8rem, 10vw, 3.5rem);
  }
  .app-first h2 {
    font-size: 2.35rem;
  }
  .app-first .hero-intro {
    font-size: 0.95rem;
  }
  .platform-prompts {
    gap: 0.5rem;
  }
  .platform-cta {
    flex-basis: 8rem;
    min-width: 0;
  }
  .platform-cta strong {
    font-size: 0.85rem;
  }
  .platform-cta svg {
    width: 1.4rem;
  }
  .app-value-strip {
    gap: 0.75rem;
    justify-content: flex-start;
    padding: 1rem 1.5rem;
  }
  .app-value-strip span {
    flex-basis: calc(50% - 0.5rem);
    font-size: 0.66rem;
  }
  .app-first .app-benefits .benefit-card:nth-child(n) {
    grid-column: auto;
  }
  .app-first .app-visual {
    min-height: 540px;
  }
  .product-phone {
    width: 260px;
  }
  .product-screen {
    min-height: 450px;
    padding-left: 0.8rem;
    padding-right: 0.8rem;
  }
  .app-first .product-screen h2 {
    font-size: 1.45rem;
  }
  .feature-offline {
    top: 31%;
    padding: 0.6rem 0.65rem;
    left: -0.3rem;
  }
  .feature-journal {
    bottom: 17%;
    padding: 0.6rem 0.65rem;
    right: -0.3rem;
  }
  .floating-feature strong {
    font-size: 0.61rem;
  }
  .floating-feature small {
    font-size: 0.5rem;
  }
  .floating-feature img {
    width: 28px;
    height: 28px;
  }
  .hero-preview-caption {
    bottom: 0;
    font-size: 0.57rem;
  }
  .app-first .benefits,
  .app-first .tutorial,
  .app-first .field-notes,
  .app-first .closing {
    padding-top: 3.4rem;
    padding-bottom: 3.4rem;
  }
  .features-download .button {
    font-size: 0.76rem;
    width: 100%;
  }
  .app-first .store-row {
    display: grid;
    grid-template-columns: 1fr;
  }
  .app-first .store-button {
    min-height: 4.3rem;
  }
  .mobile-platforms .platform-status {
    display: block;
    margin: 0;
  }
  .app-first .header-cta {
    font-size: 0.66rem;
  }
}