:root {
  --bg: #f7fbff;
  --surface: #ffffff;
  --surface-soft: #eef7ff;
  --blue: #0d6fff;
  --blue-deep: #0450e8;
  --blue-ink: #08204d;
  --gold: #ffc72c;
  --gold-deep: #f59f0b;
  --text: #071326;
  --muted: #536278;
  --soft: #7d8ba1;
  --line: rgba(8, 32, 77, 0.12);
  --focus: #ffc72c;
  --max: 1160px;
}

* { box-sizing: border-box; }

html {
  min-width: 320px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  text-rendering: geometricPrecision;
}

img, svg { display: block; }

a {
  color: inherit;
  text-decoration: none;
}

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

.shell {
  width: min(100% - 48px, var(--max));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(7, 19, 38, 0.86);
  color: #ffffff;
  backdrop-filter: blur(16px);
}

.header-inner {
  display: flex;
  min-height: 76px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 1.2rem;
  font-weight: 850;
}

.brand-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.22);
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.94rem;
  font-weight: 700;
}

.header-nav a:hover,
.header-link:hover { color: #ffffff; }

.header-cta,
.header-link,
.primary-button,
.secondary-button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  font-weight: 800;
}

.header-cta {
  padding: 0 18px;
  background: #ffffff;
  color: var(--blue-deep);
  font-size: 0.92rem;
}

.header-link {
  color: rgba(255, 255, 255, 0.76);
}

.hero {
  min-height: calc(100vh - 76px);
  overflow: hidden;
  background:
    radial-gradient(circle at 18% 12%, rgba(116, 201, 255, 0.55), transparent 28%),
    radial-gradient(circle at 82% 8%, rgba(255, 199, 44, 0.32), transparent 23%),
    linear-gradient(135deg, #2498ff 0%, #0d6fff 52%, #0450e8 100%);
  color: #ffffff;
}

.hero-grid {
  display: grid;
  min-height: calc(100vh - 76px);
  grid-template-columns: minmax(0, 0.98fr) minmax(340px, 0.82fr);
  align-items: center;
  gap: clamp(34px, 6vw, 86px);
  padding: 30px 0 42px;
}

.hero-copy { max-width: 710px; }

.eyebrow {
  margin: 0 0 12px;
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-copy h1 {
  margin: 0;
  max-width: 780px;
  font-size: clamp(3.5rem, 7vw, 6.25rem);
  line-height: 0.98;
  letter-spacing: 0;
}

.hero-lead {
  margin: 26px 0 0;
  max-width: 650px;
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(1.18rem, 2vw, 1.46rem);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.primary-button {
  min-width: 222px;
  padding: 0 26px;
  background: var(--gold);
  color: #1e293b;
  box-shadow: 0 22px 46px rgba(1, 31, 94, 0.28);
}

.secondary-button {
  min-width: 168px;
  border: 1px solid rgba(255, 255, 255, 0.32);
  padding: 0 22px;
  color: #ffffff;
}

.secondary-button.light {
  border-color: rgba(255, 255, 255, 0.56);
}

.primary-button:hover,
.secondary-button:hover,
.header-cta:hover {
  transform: translateY(-1px);
}

.slogan {
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: 1rem;
  font-weight: 800;
}

.hero-visual {
  position: relative;
  display: grid;
  min-height: 620px;
  align-items: center;
  justify-items: center;
}

.app-mark {
  position: absolute;
  top: 26px;
  left: 0;
  width: min(42vw, 216px);
  border-radius: 34px;
  background: rgba(255, 255, 255, 0.94);
  padding: 15px;
  box-shadow: 0 30px 70px rgba(2, 32, 85, 0.24);
}

.app-mark img {
  width: 100%;
  border-radius: 24px;
}

.phone-stack {
  position: relative;
  z-index: 1;
  width: min(100%, 520px);
  min-height: 640px;
  transform: translateX(32px);
}

.phone-shot {
  position: absolute;
  object-fit: contain;
  filter: drop-shadow(0 32px 42px rgba(0, 30, 80, 0.32));
}

.phone-shot-main {
  top: 0;
  left: 22px;
  z-index: 1;
  width: min(100%, 390px);
  max-height: min(78vh, 740px);
  transform: rotate(7deg);
}

.phone-shot-secondary {
  right: 0;
  bottom: 0;
  z-index: 2;
  width: min(66%, 300px);
  max-height: 520px;
  border-radius: 28px;
}

.concept,
.features,
.privacy-band {
  padding: clamp(64px, 9vw, 112px) 0;
}

.concept {
  background: #ffffff;
}

.concept-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(0, 1fr);
  gap: clamp(34px, 7vw, 92px);
  align-items: start;
}

.concept h2,
.section-heading h2,
.privacy-inner h2 {
  margin: 0;
  color: var(--blue-ink);
  font-size: clamp(2.1rem, 4.2vw, 4rem);
  line-height: 1.05;
  letter-spacing: 0;
}

.concept-copy p {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.7vw, 1.25rem);
}

.early-copy {
  margin-top: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  padding: clamp(24px, 4vw, 34px);
  box-shadow: 0 18px 42px rgba(8, 32, 77, 0.08);
}

.early-copy .eyebrow {
  margin-bottom: 10px;
}

.early-copy h3 {
  margin: 0 0 12px;
  color: var(--blue-ink);
  font-size: clamp(1.25rem, 2vw, 1.55rem);
  line-height: 1.2;
}

.early-copy p {
  margin: 0 0 24px;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.7vw, 1.22rem);
}

.primary-button.compact {
  min-width: 190px;
  min-height: 46px;
  box-shadow: none;
}

.features {
  background: linear-gradient(180deg, #f7fbff 0%, #eef7ff 100%);
}

.section-heading {
  max-width: 720px;
  margin-bottom: 34px;
}

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

.feature-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  padding: 24px;
  box-shadow: 0 18px 42px rgba(8, 32, 77, 0.08);
}

.feature-icon {
  display: inline-flex;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--gold), var(--gold-deep));
  color: #ffffff;
  font-size: 1.25rem;
  font-weight: 900;
}

.feature-card h3 {
  margin: 18px 0 8px;
  color: var(--blue-ink);
  font-size: 1.18rem;
}

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

.privacy-band {
  background: linear-gradient(135deg, #08204d 0%, #0d6fff 100%);
  color: #ffffff;
}

.privacy-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.85fr) auto;
  gap: 28px;
  align-items: center;
}

.privacy-inner h2 { color: #ffffff; }

.privacy-inner p {
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
}

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

.footer-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 24px;
  padding: 24px 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.footer-inner p,
.footer-inner small { margin: 0; }

.footer-inner p {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.footer-inner strong { color: var(--text); }

.footer-inner nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 18px;
}

.footer-inner a {
  color: var(--muted);
  font-weight: 700;
}

.footer-inner a:hover { color: var(--blue); }

.legal-main {
  background:
    radial-gradient(circle at 80% 0%, rgba(13, 111, 255, 0.16), transparent 30%),
    linear-gradient(180deg, #f7fbff 0%, #ffffff 100%);
  padding: 54px 0 72px;
}

.legal-card {
  max-width: 900px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  padding: clamp(24px, 5vw, 48px);
  box-shadow: 0 24px 60px rgba(8, 32, 77, 0.09);
}

.legal-card h1 {
  margin: 0;
  color: var(--blue-ink);
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.14;
}

.legal-meta {
  margin: 12px 0 28px;
  color: var(--muted);
}

.legal-intro {
  border-left: 4px solid var(--gold);
  padding-left: 18px;
  color: var(--blue-ink);
  font-size: 1.08rem;
  font-weight: 650;
}

.legal-card h2 {
  margin: 30px 0 10px;
  color: var(--blue-ink);
  font-size: 1.14rem;
}

.legal-card p,
.legal-card li {
  color: #343f52;
}

.legal-card p { margin: 10px 0; }

.legal-card ul {
  margin: 10px 0 18px;
  padding-left: 22px;
}

.legal-card a {
  color: var(--blue);
  font-weight: 800;
}

.legal-card a:hover { text-decoration: underline; }

.legal-footer {
  margin-top: 32px;
  border-top: 1px solid var(--line);
  padding-top: 20px;
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 700;
}

@media (max-width: 980px) {
  .shell { width: min(100% - 32px, var(--max)); }

  .header-nav { display: none; }

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

  .hero-grid {
    min-height: auto;
    gap: 38px;
    padding: 48px 0 58px;
    text-align: center;
  }

  .hero-copy { margin: 0 auto; }

  .hero-actions { justify-content: center; }

  .hero-visual {
    min-height: 560px;
  }

  .app-mark {
    left: max(0px, calc(50% - 286px));
    width: 260px;
  }

  .phone-stack {
    width: min(100%, 440px);
    min-height: 560px;
    transform: translateX(12px);
  }

  .phone-shot-main {
    left: 10px;
    width: min(78%, 342px);
  }

  .phone-shot-secondary {
    width: min(58%, 250px);
  }

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

  .privacy-inner {
    text-align: left;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }
}

@media (max-width: 560px) {
  .header-inner { min-height: 68px; }

  .brand {
    gap: 10px;
    font-size: 1.08rem;
  }

  .brand-icon {
    width: 38px;
    height: 38px;
  }

  .header-cta {
    min-height: 40px;
    padding: 0 14px;
    font-size: 0.86rem;
  }

  .hero { min-height: auto; }

  .hero-copy h1 {
    font-size: clamp(2.55rem, 13vw, 3.45rem);
  }

  .hero-lead {
    margin-top: 20px;
    font-size: 1.04rem;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .primary-button,
  .secondary-button {
    width: 100%;
    min-height: 52px;
  }

  .hero-visual {
    min-height: 460px;
  }

  .app-mark {
    top: 14px;
    left: 0;
    width: 176px;
    border-radius: 24px;
    padding: 12px;
  }

  .phone-shot {
    filter: drop-shadow(0 22px 30px rgba(0, 30, 80, 0.28));
  }

  .phone-stack {
    width: min(100%, 330px);
    min-height: 430px;
    transform: translateX(0);
  }

  .phone-shot-main {
    left: 0;
    width: min(74%, 245px);
  }

  .phone-shot-secondary {
    width: min(54%, 180px);
    border-radius: 20px;
  }

  .concept,
  .features,
  .privacy-band {
    padding: 54px 0;
  }

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