:root {
  --primary: #0077b6;
  --primary-dark: #005f8f;
  --secondary: #00b4d8;
  --accent: #90e0ef;
  --navy: #102a43;
  --text: #243b53;
  --muted: #627d98;
  --surface: #ffffff;
  --surface-soft: #f3fbff;
  --border: #d9edf7;
  --success: #1f9d73;
  --shadow: 0 18px 50px rgba(16, 42, 67, 0.12);
  --radius: 24px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: #fff;
  line-height: 1.65;
}

img,
svg {
  max-width: 100%;
}

a {
  color: var(--primary);
}

a:hover {
  color: var(--primary-dark);
}

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 10px;
  z-index: 9999;
  background: #fff;
  color: var(--navy);
  padding: 10px 14px;
  border-radius: 10px;
}

.skip-link:focus {
  left: 10px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(217, 237, 247, 0.9);
}

.nav-wrap {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--navy);
  text-decoration: none;
  font-weight: 800;
  font-size: 1.18rem;
}

.brand img {
  width: 42px;
  height: 42px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav-links a {
  color: var(--text);
  text-decoration: none;
  font-weight: 650;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--primary);
}

.menu-button {
  display: none;
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 12px;
  padding: 9px 12px;
  font-size: 1rem;
  cursor: pointer;
}

.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 12% 20%, rgba(144, 224, 239, .5), transparent 28%),
    radial-gradient(circle at 86% 18%, rgba(0, 180, 216, .22), transparent 32%),
    linear-gradient(145deg, #eefbff 0%, #ffffff 64%);
  padding: 92px 0 82px;
}

.hero::after {
  content: "";
  position: absolute;
  width: 440px;
  height: 440px;
  right: -160px;
  bottom: -230px;
  border-radius: 50%;
  background: linear-gradient(145deg, rgba(0,119,182,.18), rgba(0,180,216,.06));
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 70px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border-radius: 999px;
  background: #e2f7ff;
  color: var(--primary-dark);
  font-weight: 750;
  font-size: .9rem;
}

.hero h1,
.page-hero h1 {
  color: var(--navy);
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 5.2rem);
  margin: 20px 0;
}

.hero p {
  max-width: 700px;
  font-size: 1.17rem;
  color: var(--muted);
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 50px;
  padding: 0 22px;
  border-radius: 999px;
  border: 0;
  text-decoration: none;
  font-weight: 780;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  box-shadow: 0 12px 26px rgba(0, 119, 182, .23);
}

.button-primary:hover {
  color: #fff;
  box-shadow: 0 16px 30px rgba(0, 119, 182, .31);
}

.button-secondary {
  color: var(--navy);
  background: #fff;
  border: 1px solid var(--border);
}

.button-muted {
  color: #506579;
  background: #e8eef3;
  cursor: default;
}

.hero-note {
  margin-top: 18px;
  color: var(--muted);
  font-size: .93rem;
}

.phone-shell {
  width: min(370px, 100%);
  margin-inline: auto;
  padding: 14px;
  border-radius: 42px;
  background: linear-gradient(155deg, #122b3d, #274d66);
  box-shadow: 0 32px 70px rgba(16, 42, 67, .27);
  transform: rotate(2deg);
}

.phone-screen {
  min-height: 610px;
  overflow: hidden;
  border-radius: 31px;
  background: linear-gradient(180deg, #eafdff, #f9fdff);
}

.phone-top {
  height: 29px;
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

.phone-notch {
  width: 118px;
  height: 18px;
  border-radius: 0 0 14px 14px;
  background: #122b3d;
}

.app-head {
  padding: 16px 22px 12px;
}

.app-head small {
  color: var(--muted);
}

.app-head h3 {
  margin: 3px 0 0;
  font-size: 1.55rem;
  color: var(--navy);
}

.pool-card {
  margin: 10px 20px 16px;
  color: #fff;
  border-radius: 24px;
  padding: 21px;
  background:
    linear-gradient(140deg, rgba(0, 90, 145, .86), rgba(0, 180, 216, .75)),
    radial-gradient(circle at 70% 10%, #90e0ef, transparent 35%);
  box-shadow: 0 15px 30px rgba(0,119,182,.2);
}

.pool-card .pool-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.pool-card h4 {
  margin: 0;
  font-size: 1.25rem;
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-top: 18px;
}

.metric {
  padding: 11px;
  border-radius: 15px;
  background: rgba(255,255,255,.17);
}

.metric strong {
  display: block;
  font-size: 1.2rem;
}

.app-section-title {
  margin: 20px 22px 10px;
  color: var(--navy);
  font-weight: 800;
}

.app-action-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  padding: 0 20px;
}

.app-action {
  min-height: 112px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 15px;
  border-radius: 19px;
  background: #fff;
  border: 1px solid #dff1f8;
  box-shadow: 0 8px 18px rgba(16,42,67,.06);
}

.app-icon {
  width: 39px;
  height: 39px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: #e5f8ff;
  font-size: 1.25rem;
}

.app-action strong {
  color: var(--navy);
  line-height: 1.25;
}

.section {
  padding: 90px 0;
}

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

.section-heading {
  max-width: 740px;
  margin: 0 auto 46px;
  text-align: center;
}

.section-heading h2 {
  margin: 0 0 14px;
  color: var(--navy);
  letter-spacing: -0.03em;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.15;
}

.section-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 1.06rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: 0 12px 34px rgba(16, 42, 67, .07);
}

.card-icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: linear-gradient(145deg, #def7ff, #f5fdff);
  color: var(--primary);
  font-size: 1.5rem;
}

.card h3 {
  margin: 20px 0 9px;
  color: var(--navy);
}

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

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.step {
  position: relative;
  padding: 30px;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid var(--border);
}

.step-number {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  font-weight: 850;
}

.step h3 {
  margin: 20px 0 8px;
  color: var(--navy);
}

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

.brand-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

.brand-pill {
  padding: 12px 18px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--navy);
  font-weight: 800;
}

.notice {
  margin-top: 28px;
  padding: 18px 20px;
  border-radius: 16px;
  background: #fff8e7;
  border: 1px solid #ffe09b;
  color: #6d5214;
}

.faq {
  max-width: 850px;
  margin: 0 auto;
}

.faq details {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 19px 22px;
  margin-bottom: 12px;
}

.faq summary {
  cursor: pointer;
  color: var(--navy);
  font-weight: 800;
}

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

.cta {
  margin: 0 auto;
  border-radius: 32px;
  padding: 52px;
  color: #fff;
  text-align: center;
  background:
    radial-gradient(circle at 20% 15%, rgba(144, 224, 239, .28), transparent 30%),
    linear-gradient(135deg, #005f8f, #00a6ca);
  box-shadow: var(--shadow);
}

.cta h2 {
  margin-top: 0;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.16;
}

.cta p {
  max-width: 680px;
  margin: 0 auto;
  color: #e7faff;
}

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

.page-hero {
  padding: 72px 0 56px;
  background: linear-gradient(145deg, #edfaff, #fff);
  border-bottom: 1px solid var(--border);
}

.page-hero h1 {
  margin: 12px 0 12px;
  font-size: clamp(2.4rem, 5vw, 4rem);
}

.page-hero p {
  max-width: 760px;
  color: var(--muted);
  font-size: 1.08rem;
}

.content-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 270px;
  gap: 50px;
  align-items: start;
}

.article {
  min-width: 0;
}

.article h2 {
  margin-top: 44px;
  color: var(--navy);
  scroll-margin-top: 105px;
}

.article h3 {
  margin-top: 28px;
  color: var(--navy);
}

.article p,
.article li {
  color: #40566b;
}

.article ul {
  padding-left: 22px;
}

.article .meta {
  color: var(--muted);
  font-size: .95rem;
}

.toc {
  position: sticky;
  top: 100px;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--surface-soft);
}

.toc strong {
  display: block;
  color: var(--navy);
  margin-bottom: 10px;
}

.toc a {
  display: block;
  padding: 6px 0;
  color: var(--muted);
  text-decoration: none;
  font-size: .95rem;
}

.toc a:hover {
  color: var(--primary);
}

.contact-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 28px;
}

.contact-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: 0 12px 34px rgba(16, 42, 67, .06);
}

.contact-card h2,
.contact-card h3 {
  color: var(--navy);
}

.contact-box {
  padding: 18px;
  border-radius: 16px;
  background: var(--surface-soft);
  border: 1px solid var(--border);
}

.status-list {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}

.status-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.status-check {
  flex: 0 0 auto;
  width: 27px;
  height: 27px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--success);
  font-size: .82rem;
  margin-top: 2px;
}

.site-footer {
  margin-top: 0;
  background: #102a43;
  color: #d9e9f3;
  padding: 56px 0 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr .7fr .7fr;
  gap: 44px;
}

.site-footer .brand {
  color: #fff;
}

.site-footer p {
  color: #b7ccda;
}

.footer-links strong {
  display: block;
  margin-bottom: 12px;
  color: #fff;
}

.footer-links a {
  display: block;
  margin: 8px 0;
  color: #cbe2ef;
  text-decoration: none;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 36px;
  padding-top: 22px;
  border-top: 1px solid rgba(255,255,255,.12);
  font-size: .92rem;
  color: #a9c0ce;
}

.error-page {
  min-height: 75vh;
  display: grid;
  place-items: center;
  text-align: center;
  background: linear-gradient(145deg, #effbff, #fff);
}

.error-page h1 {
  margin: 0;
  color: var(--primary);
  font-size: clamp(5rem, 20vw, 11rem);
  line-height: 1;
}

.error-page h2 {
  color: var(--navy);
}

@media (max-width: 900px) {
  .hero-grid,
  .content-layout,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    gap: 46px;
  }

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

  .phone-shell {
    transform: none;
  }

  .toc {
    position: static;
    order: -1;
  }

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

@media (max-width: 700px) {
  .container {
    width: min(100% - 28px, 1120px);
  }

  .menu-button {
    display: inline-flex;
  }

  .nav-links {
    display: none;
    position: absolute;
    left: 14px;
    right: 14px;
    top: 68px;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 18px;
    box-shadow: var(--shadow);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    padding: 12px 10px;
  }

  .hero {
    padding-top: 68px;
  }

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

  .section {
    padding: 70px 0;
  }

  .cta {
    padding: 38px 22px;
  }

  .footer-bottom {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}