:root {
  color-scheme: light;
  --ink: #102022;
  --muted: #53696b;
  --bg: #f3faf7;
  --panel: #ffffff;
  --soft: #e7f6ef;
  --line: #d5e6df;
  --mint: #d9f7ea;
  --green: #18a66f;
  --green-strong: #0f7b5c;
  --teal: #0f8f83;
  --teal-dark: #075d56;
  --gold: #d89c16;
  --coral: #e76f51;
  --night: #071316;
  --shadow: 0 22px 55px rgba(7, 19, 22, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(180deg, #f7fffb 0%, var(--bg) 36%, #ffffff 100%);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a {
  color: var(--teal-dark);
  font-weight: 750;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 4px solid rgba(216, 156, 22, 0.55);
  outline-offset: 4px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(16, 32, 34, 0.1);
  background: rgba(247, 255, 251, 0.92);
  backdrop-filter: blur(16px);
}

.nav {
  max-width: 1180px;
  margin: 0 auto;
  padding: 16px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  text-decoration: none;
  font-size: 1.08rem;
  font-weight: 850;
}

.brand img {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  box-shadow: 0 8px 18px rgba(7, 19, 22, 0.14);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--ink);
  text-decoration: none;
  font-size: 0.98rem;
}

.nav-links a:hover {
  color: var(--green-strong);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 13px 20px;
  border-radius: 8px;
  background: var(--green-strong);
  color: #ffffff;
  text-decoration: none;
  font-weight: 850;
  box-shadow: 0 12px 24px rgba(15, 123, 92, 0.24);
}

.button.secondary {
  background: #ffffff;
  color: var(--green-strong);
  border: 2px solid var(--green-strong);
  box-shadow: none;
}

.hero {
  min-height: calc(100vh - 76px);
  display: grid;
  align-items: center;
  padding: 76px 22px 58px;
  background:
    linear-gradient(90deg, rgba(247, 255, 251, 0.98) 0%, rgba(234, 250, 242, 0.86) 48%, rgba(217, 247, 234, 0.28) 100%),
    url("assets/app-icon.png") right 7% center / min(42vw, 520px) no-repeat,
    radial-gradient(circle at 78% 28%, rgba(24, 166, 111, 0.32), transparent 32%),
    #eafaf2;
}

.hero-inner,
.section-inner,
.page-hero-inner {
  max-width: 1180px;
  width: 100%;
  margin: 0 auto;
}

.hero-copy {
  max-width: 690px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--green-strong);
  font-size: 0.9rem;
  font-weight: 850;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.12;
  margin: 0;
}

h1 {
  font-size: clamp(3.2rem, 8vw, 6.2rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3.25rem);
}

h3 {
  font-size: 1.35rem;
}

p {
  margin: 0;
}

.lead {
  max-width: 760px;
  margin: 20px 0 0;
  color: var(--muted);
  font-size: clamp(1.16rem, 2.3vw, 1.45rem);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.hero-note {
  margin-top: 28px;
  max-width: 660px;
  color: var(--muted);
  font-size: 1rem;
}

.quick-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-width: 680px;
  margin-top: 30px;
}

.stat {
  padding: 16px;
  border: 1px solid rgba(15, 123, 92, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.74);
}

.stat strong {
  display: block;
  color: var(--green-strong);
  font-size: 1.45rem;
  line-height: 1.1;
}

.stat span {
  color: var(--muted);
  font-size: 0.94rem;
}

.band {
  padding: 82px 22px;
}

.band.white {
  background: #ffffff;
}

.band.green {
  background:
    linear-gradient(135deg, #0b5d4d 0%, #0f7b5c 52%, #13a178 100%);
  color: #ffffff;
}

.band.green .eyebrow,
.band.green .lead,
.band.green p {
  color: rgba(255, 255, 255, 0.82);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 32px;
}

.item,
.support-row,
.privacy-card,
.faq details,
.scenario,
.step {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 12px 28px rgba(7, 19, 22, 0.06);
}

.item {
  min-height: 210px;
  padding: 24px;
}

.item .icon,
.scenario .icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  border-radius: 8px;
  background: var(--mint);
  color: var(--green-strong);
  font-size: 1.25rem;
  font-weight: 900;
}

.item strong,
.support-row strong,
.privacy-card strong,
.step strong {
  display: block;
  margin-bottom: 10px;
  font-size: 1.1rem;
}

.item p,
.copy p,
.support-list p,
.privacy-card p,
.step p,
.scenario p,
.faq p {
  color: var(--muted);
}

.split {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 42px;
  align-items: center;
}

.copy {
  display: grid;
  gap: 18px;
}

.phone-demo {
  min-height: 580px;
  padding: 28px;
  border: 10px solid #173437;
  border-radius: 36px;
  background:
    linear-gradient(180deg, rgba(15, 143, 131, 0.2), transparent 42%),
    var(--night);
  box-shadow: var(--shadow);
  color: #ffffff;
  display: grid;
  align-content: center;
  gap: 18px;
}

.screen-status {
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.08);
}

.screen-status span {
  display: block;
  color: #92efe4;
  font-size: 0.88rem;
  font-weight: 850;
  text-transform: uppercase;
}

.screen-status p {
  margin: 8px 0 0;
  color: #ffffff;
  font-size: 1.35rem;
  line-height: 1.25;
}

.command-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.command {
  min-height: 88px;
  padding: 16px;
  border-radius: 8px;
  background: #f4fbfa;
  color: var(--ink);
  font-weight: 850;
}

.workflow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 34px;
}

.step {
  padding: 22px;
}

.step-number {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  margin-bottom: 16px;
  border-radius: 50%;
  background: var(--green-strong);
  color: #ffffff;
  font-weight: 900;
}

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 34px;
}

.scenario {
  padding: 24px;
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: none;
}

.scenario p {
  color: rgba(255, 255, 255, 0.78);
}

.scenario .icon {
  background: rgba(255, 255, 255, 0.14);
  color: #d9f7ea;
}

.quote-panel {
  margin-top: 34px;
  padding: 28px;
  border-radius: 8px;
  background: #0a3d36;
  color: #ffffff;
}

.quote-panel p {
  max-width: 820px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 1.18rem;
}

.notice {
  margin-top: 26px;
  padding: 18px 20px;
  border-left: 5px solid var(--gold);
  border-radius: 0 8px 8px 0;
  background: #fff8e7;
  color: #5b4515;
}

.notice strong {
  display: block;
  margin-bottom: 6px;
}

.page-hero {
  padding: 76px 22px 44px;
  background:
    linear-gradient(135deg, rgba(217, 247, 234, 0.9), rgba(255, 255, 255, 0.96)),
    #f7fffb;
  border-bottom: 1px solid var(--line);
}

.page-hero-inner {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 32px;
  align-items: center;
}

.page-card {
  padding: 24px;
  border-radius: 8px;
  background: #ffffff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.support-list,
.privacy-grid,
.faq {
  display: grid;
  gap: 16px;
  margin-top: 30px;
}

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

.support-row,
.privacy-card {
  padding: 24px;
}

.support-row.accent {
  background: linear-gradient(135deg, #e7f8f1, #ffffff);
  border-color: rgba(15, 123, 92, 0.25);
}

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

.faq details {
  padding: 20px 22px;
}

.faq summary {
  cursor: pointer;
  color: var(--ink);
  font-weight: 850;
}

.faq p {
  margin-top: 12px;
}

.contact-panel {
  margin-top: 30px;
  padding: 28px;
  border-radius: 8px;
  background: var(--night);
  color: #ffffff;
}

.contact-panel p,
.contact-panel a {
  color: rgba(255, 255, 255, 0.86);
}

.footer {
  padding: 34px 22px;
  border-top: 1px solid var(--line);
  background: #ffffff;
}

.footer-inner {
  max-width: 1180px;
  margin: 0 auto;
  display: flex;
  gap: 16px;
  justify-content: space-between;
  flex-wrap: wrap;
  color: var(--muted);
}

.footer a {
  color: var(--muted);
}

@media (max-width: 900px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero {
    min-height: auto;
    padding-top: 54px;
    background:
      linear-gradient(180deg, rgba(247, 255, 251, 0.98) 0%, rgba(234, 250, 242, 0.92) 62%, rgba(217, 247, 234, 0.88) 100%),
      url("assets/app-icon.png") right 20px bottom 20px / 190px no-repeat,
      #eafaf2;
  }

  .hero-copy {
    padding-bottom: 150px;
  }

  .grid,
  .split,
  .workflow,
  .scenario-grid,
  .support-list,
  .privacy-grid,
  .page-hero-inner {
    grid-template-columns: 1fr;
  }

  .phone-demo {
    min-height: 440px;
  }
}

@media (max-width: 560px) {
  h1 {
    font-size: clamp(2.7rem, 15vw, 4.2rem);
  }

  h2 {
    font-size: clamp(1.8rem, 10vw, 2.5rem);
  }

  .brand {
    font-size: 1rem;
  }

  .brand img {
    width: 38px;
    height: 38px;
  }

  .nav-links {
    gap: 10px 12px;
  }

  .nav-links a {
    font-size: 0.92rem;
  }

  .quick-stats,
  .command-grid {
    grid-template-columns: 1fr;
  }

  .actions,
  .button {
    width: 100%;
  }

  .band,
  .page-hero {
    padding-left: 18px;
    padding-right: 18px;
  }

  .item,
  .support-row,
  .privacy-card,
  .step {
    padding: 20px;
  }
}