:root {
  color-scheme: light;
  --page: #fbfcfa;
  --surface: #ffffff;
  --surface-soft: #f0f6f1;
  --ink: #12231b;
  --muted: #53635b;
  --line: #d7e2da;
  --green-950: #052d22;
  --green-900: #073b2b;
  --green-800: #0a5139;
  --green-700: #0d6848;
  --green-600: #16865d;
  --lime: #9ad640;
  --lime-soft: #e8f6ce;
  --warning: #b04a23;
  --shadow: 0 24px 64px rgba(5, 45, 34, 0.13);
  --radius: 24px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

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

a {
  color: var(--green-800);
  text-underline-offset: 0.18em;
  text-decoration-thickness: 0.08em;
}

a:hover {
  color: var(--green-600);
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid #d77b21;
  outline-offset: 4px;
  border-radius: 5px;
}

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

h1,
h2,
h3 {
  line-height: 1.13;
  letter-spacing: -0.025em;
}

h1 {
  max-width: 700px;
  margin-bottom: 24px;
  font-size: clamp(2.9rem, 7vw, 5.4rem);
  font-weight: 790;
}

h2 {
  margin-bottom: 22px;
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  font-weight: 760;
}

h3 {
  margin-bottom: 12px;
  font-size: 1.28rem;
}

.shell {
  width: min(1180px, calc(100% - 40px));
  margin-inline: auto;
}

.narrow {
  max-width: 760px;
}

.centered {
  margin-inline: auto;
  text-align: center;
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 100;
  padding: 10px 16px;
  border-radius: 10px;
  background: var(--surface);
  color: var(--green-950);
  font-weight: 700;
  transform: translateY(-160%);
}

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

.site-header {
  position: relative;
  z-index: 20;
  border-bottom: 1px solid rgba(7, 59, 43, 0.09);
  background: rgba(251, 252, 250, 0.94);
}

.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  font-size: 1.15rem;
  font-weight: 780;
  text-decoration: none;
}

.brand img,
.footer-brand img {
  border-radius: 11px;
  box-shadow: 0 6px 16px rgba(5, 45, 34, 0.16);
}

.header-inner nav {
  margin-left: auto;
}

.nav-list,
.site-footer ul {
  display: flex;
  align-items: center;
  gap: 26px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.nav-list a,
.language-link,
.site-footer a {
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 650;
  text-decoration: none;
}

.nav-list a:hover,
.language-link:hover,
.site-footer a:hover {
  color: var(--green-700);
}

.language-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
}

.hero {
  position: relative;
  overflow: hidden;
  min-height: 710px;
  padding: 96px 0 90px;
  background:
    radial-gradient(circle at 78% 32%, rgba(154, 214, 64, 0.22), transparent 33%),
    linear-gradient(145deg, #f8fbf6 0%, #edf7ef 58%, #e5f1e6 100%);
}

.hero::before {
  position: absolute;
  inset: auto auto -260px -180px;
  width: 540px;
  height: 540px;
  border: 1px solid rgba(13, 104, 72, 0.14);
  border-radius: 50%;
  content: "";
}

.hero-glow {
  position: absolute;
  top: -160px;
  right: -80px;
  width: 470px;
  height: 470px;
  border-radius: 50%;
  background: rgba(22, 134, 93, 0.08);
  filter: blur(1px);
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(330px, 0.72fr);
  align-items: center;
  gap: 72px;
}

.hero-copy {
  padding-bottom: 18px;
}

.eyebrow {
  margin-bottom: 14px;
  color: var(--green-700);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-body,
.section-lead {
  color: var(--muted);
  font-size: clamp(1.08rem, 1.7vw, 1.24rem);
}

.hero-body {
  max-width: 650px;
  margin-bottom: 32px;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 11px 20px;
  border: 1px solid transparent;
  border-radius: 12px;
  font-weight: 730;
  line-height: 1.25;
  text-align: center;
  text-decoration: none;
}

.button-primary {
  background: var(--green-800);
  box-shadow: 0 10px 24px rgba(7, 59, 43, 0.19);
  color: #ffffff;
}

.button-primary:hover {
  background: var(--green-700);
  color: #ffffff;
}

.button-secondary {
  border-color: #b9c9be;
  background: rgba(255, 255, 255, 0.7);
  color: var(--green-900);
}

.button-secondary:hover {
  border-color: var(--green-600);
  color: var(--green-800);
}

.trust-line {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.trust-line span {
  display: inline-grid;
  width: 22px;
  height: 22px;
  place-items: center;
  border-radius: 50%;
  background: var(--lime-soft);
  color: var(--green-800);
  font-weight: 800;
}

.device-stage {
  position: relative;
  display: grid;
  place-items: center;
}

.device-stage::after {
  position: absolute;
  z-index: 0;
  width: 100%;
  height: 56%;
  border-radius: 50%;
  background: rgba(7, 59, 43, 0.14);
  content: "";
  filter: blur(32px);
  transform: translateY(34%);
}

.phone {
  position: relative;
  z-index: 1;
  width: min(360px, 100%);
  min-height: 626px;
  overflow: hidden;
  padding: 22px 19px 17px;
  border: 9px solid var(--green-950);
  border-radius: 42px;
  background: #f7faf7;
  box-shadow: var(--shadow);
}

.phone-speaker {
  width: 70px;
  height: 6px;
  margin: -9px auto 15px;
  border-radius: 20px;
  background: #183b2f;
}

.app-bar {
  display: grid;
  grid-template-columns: 34px 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 7px 4px 15px;
  font-size: 1.08rem;
}

.app-bar img {
  border-radius: 9px;
}

.app-dot {
  letter-spacing: 2px;
}

.app-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin-bottom: 17px;
  border-bottom: 1px solid var(--line);
  color: #65746c;
  font-size: 0.78rem;
  font-weight: 700;
  text-align: center;
}

.app-tabs span {
  padding: 10px 4px 9px;
}

.app-tabs .active {
  border-bottom: 3px solid var(--green-700);
  color: var(--green-800);
}

.reminder-card,
.animal-card,
.feeding-card {
  border: 1px solid #dfe8e1;
  border-radius: 17px;
  background: #ffffff;
  box-shadow: 0 8px 20px rgba(18, 35, 27, 0.06);
}

.reminder-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 13px;
  margin-bottom: 13px;
  border-color: #f0c6b6;
  background: #fff7f3;
  color: #6f2a13;
}

.reminder-card small,
.feeding-card small {
  display: block;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--warning);
  box-shadow: 0 0 0 4px rgba(176, 74, 35, 0.13);
}

.animal-card {
  overflow: hidden;
  margin-bottom: 13px;
}

.animal-card img {
  width: 100%;
  height: 206px;
  object-fit: cover;
}

.animal-card div {
  display: flex;
  flex-direction: column;
  padding: 14px 15px 16px;
}

.animal-card span,
.feeding-card small {
  color: #66746d;
  font-size: 0.78rem;
}

.feeding-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px;
}

.feeding-card div {
  display: flex;
  flex-direction: column;
}

.feeding-icon {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 50%;
  background: var(--lime-soft);
  color: var(--green-900);
  font-size: 1.2rem;
}

.app-navigation {
  position: absolute;
  right: 18px;
  bottom: 13px;
  left: 18px;
  display: flex;
  justify-content: space-around;
  padding: 11px;
  border-radius: 16px;
  background: var(--green-900);
  color: #d8e8dd;
}

.app-navigation .selected {
  color: var(--lime);
}

.section {
  padding: 104px 0;
}

.intro-section {
  padding-bottom: 54px;
}

.feature-section {
  padding-top: 36px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.feature-card {
  min-height: 270px;
  padding: 29px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 12px 28px rgba(18, 35, 27, 0.045);
}

.feature-card p {
  margin-bottom: 0;
  color: var(--muted);
}

.feature-icon {
  display: grid;
  width: 50px;
  height: 50px;
  place-items: center;
  margin-bottom: 24px;
  border-radius: 15px;
  background: var(--lime-soft);
  color: var(--green-900);
  font-size: 1.55rem;
  font-weight: 800;
}

.privacy-section {
  position: relative;
  overflow: hidden;
  background: var(--green-950);
  color: #ffffff;
}

.privacy-section::after {
  position: absolute;
  top: -220px;
  right: -120px;
  width: 520px;
  height: 520px;
  border: 1px solid rgba(154, 214, 64, 0.2);
  border-radius: 50%;
  content: "";
}

.privacy-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(300px, 0.92fr);
  align-items: center;
  gap: 88px;
}

.privacy-section .section-lead {
  color: #d6e4da;
}

.eyebrow.light {
  color: #bee981;
}

.button-light {
  background: #ffffff;
  color: var(--green-950);
}

.button-light:hover {
  background: var(--lime-soft);
  color: var(--green-950);
}

.text-link {
  font-weight: 730;
  text-decoration: none;
}

.light-link {
  color: #ffffff;
}

.light-link:hover {
  color: #bee981;
}

.privacy-points {
  display: grid;
  gap: 18px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.privacy-points li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 13px;
  align-items: start;
  padding: 18px 20px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.055);
}

.privacy-points li > span:first-child {
  display: grid;
  width: 25px;
  height: 25px;
  place-items: center;
  border-radius: 50%;
  background: var(--lime);
  color: var(--green-950);
  font-weight: 900;
}

.download-section {
  background: var(--surface-soft);
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  max-width: 920px;
  margin: 48px auto 0;
}

.download-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.download-card p {
  color: var(--muted);
}

.store-mark {
  display: grid;
  width: 52px;
  height: 52px;
  place-items: center;
  border-radius: 15px;
  background: var(--green-900);
  color: #ffffff;
  font-size: 1.25rem;
}

.github-mark {
  background: #1f2924;
}

.guide-link {
  margin: 28px 0 0;
}

.guide-link a {
  font-weight: 700;
}

.guides-section {
  background: var(--page);
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 18px;
  margin-top: 46px;
}

.guide-card {
  position: relative;
  min-height: 210px;
  padding: 28px 54px 28px 28px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--surface);
  color: var(--ink);
  text-decoration: none;
  transition: border-color 150ms ease, transform 150ms ease, box-shadow 150ms ease;
}

.guide-card:hover {
  border-color: #a5bda9;
  box-shadow: 0 16px 30px rgba(18, 35, 27, 0.08);
  color: var(--ink);
  transform: translateY(-3px);
}

.guide-card p {
  margin-bottom: 0;
  color: var(--muted);
}

.guide-card > span {
  position: absolute;
  top: 25px;
  right: 27px;
  color: var(--green-700);
  font-size: 1.45rem;
}

.support-section {
  padding-top: 40px;
}

.support-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 50px;
  padding: 45px;
  border: 1px solid #cddccf;
  border-radius: 28px;
  background: linear-gradient(135deg, #f4faef, #eef7f0);
}

.support-card h2 {
  margin-bottom: 14px;
  font-size: clamp(1.8rem, 3vw, 2.55rem);
}

.support-card p {
  max-width: 720px;
  margin-bottom: 0;
  color: var(--muted);
}

.support-actions {
  justify-content: end;
}

.site-footer {
  padding: 42px 0;
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 22px 40px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-brand div {
  display: flex;
  flex-direction: column;
}

.footer-brand span,
.footer-grid > p {
  color: var(--muted);
  font-size: 0.84rem;
}

.footer-grid > p {
  grid-column: 1 / -1;
  margin-bottom: 0;
}

@media (max-width: 940px) {
  .nav-list {
    gap: 16px;
  }

  .hero-grid,
  .privacy-grid {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    max-width: 760px;
  }

  .device-stage {
    margin-top: 20px;
  }

  .feature-grid,
  .guide-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .privacy-grid {
    gap: 50px;
  }

  .support-card {
    grid-template-columns: 1fr;
  }

  .support-actions {
    justify-content: start;
  }
}

@media (max-width: 720px) {
  .shell {
    width: min(100% - 28px, 1180px);
  }

  .header-inner {
    flex-wrap: wrap;
    gap: 12px 18px;
    padding: 12px 0;
  }

  .header-inner nav {
    order: 3;
    width: 100%;
    margin-left: 0;
    overflow-x: auto;
  }

  .nav-list {
    justify-content: space-between;
    min-width: 420px;
    padding: 3px 1px 5px;
  }

  .language-link {
    margin-left: auto;
  }

  .hero {
    padding: 70px 0 72px;
  }

  .hero-grid {
    gap: 45px;
  }

  h1 {
    font-size: clamp(2.6rem, 14vw, 4rem);
  }

  .section {
    padding: 78px 0;
  }

  .feature-grid,
  .download-grid,
  .guide-grid {
    grid-template-columns: 1fr;
  }

  .feature-card {
    min-height: 0;
  }

  .phone {
    min-height: 606px;
  }

  .privacy-grid {
    gap: 38px;
  }

  .support-card {
    padding: 30px 24px;
  }

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

  .site-footer ul {
    flex-wrap: wrap;
    gap: 14px 22px;
  }
}

@media (max-width: 420px) {
  .brand span {
    font-size: 1rem;
  }

  .language-link {
    font-size: 0.82rem;
  }

  .button-row .button {
    width: 100%;
  }

  .download-card {
    grid-template-columns: 1fr;
  }

  .phone {
    border-width: 7px;
    border-radius: 34px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

@media print {
  .site-header,
  .device-stage,
  .button-row,
  .site-footer {
    display: none;
  }

  .hero,
  .section,
  .privacy-section {
    padding: 30px 0;
    background: #ffffff;
    color: #000000;
  }
}