:root {
  --ink: #10263f;
  --muted: #62758b;
  --paper: #f5fbfe;
  --white: #ffffff;
  --cyan: #1bb8d3;
  --cyan-dark: #078ba9;
  --yellow: #ffc947;
  --line: rgba(16, 38, 63, 0.12);
  --radius-lg: 28px;
  --radius-md: 18px;
  --shadow: 0 24px 70px rgba(19, 84, 120, 0.15);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: "DM Sans", sans-serif; font-size: 16px; line-height: 1.55; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

.site-header { position: fixed; inset: 0 0 auto; z-index: 20; background: rgba(245, 251, 254, 0.88); border-bottom: 1px solid rgba(16, 38, 63, 0.08); backdrop-filter: blur(14px); }
.nav-shell { max-width: 1240px; margin: 0 auto; padding: 16px 32px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-family: "Space Grotesk", sans-serif; font-size: 15px; font-weight: 700; letter-spacing: -0.02em; }
.brand i { color: var(--cyan); font-style: normal; }
.brand-mark { display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 10px; color: var(--white); background: var(--cyan); font-size: 18px; box-shadow: 0 5px 14px rgba(27, 184, 211, 0.3); }
.primary-nav { display: flex; align-items: center; gap: 30px; color: var(--muted); font-size: 14px; font-weight: 600; }
.primary-nav a { transition: color 180ms ease; }
.primary-nav a:hover, .primary-nav a:focus-visible { color: var(--ink); }
.primary-nav .nav-cta { padding: 10px 16px; border-radius: 999px; background: var(--ink); color: var(--white); }
.primary-nav .nav-cta:hover, .primary-nav .nav-cta:focus-visible { background: var(--cyan-dark); color: var(--white); }
.menu-toggle { display: none; border: 0; background: transparent; padding: 8px; cursor: pointer; }
.menu-toggle span:not(.sr-only) { display: block; width: 21px; height: 2px; margin: 4px; background: var(--ink); }

.hero { overflow: hidden; background: #e8f8fc; }
.hero-content { width: min(1240px, 100%); min-height: 640px; margin: 0 auto; padding: 112px 32px 64px; display: grid; grid-template-columns: 0.88fr 1.12fr; align-items: center; gap: 48px; }
.hero-copy-block { position: relative; z-index: 1; }
.eyebrow, .section-kicker { margin: 0 0 14px; color: var(--cyan-dark); text-transform: uppercase; letter-spacing: 0.14em; font-size: 11px; font-weight: 700; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { font-family: "Space Grotesk", sans-serif; line-height: 1.06; letter-spacing: -0.04em; }
h1 { max-width: 520px; margin-bottom: 22px; font-size: clamp(46px, 6vw, 82px); }
h1 em { color: var(--cyan-dark); font-style: normal; }
h2 span, .download-cta h2 em { color: var(--yellow); font-style: normal; }
.hero-description { max-width: 410px; margin-bottom: 28px; color: var(--muted); font-size: 17px; }
.hero-actions { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.hero-image { display: block; width: 100%; height: auto; border-radius: 8px; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 12px; min-height: 50px; padding: 0 22px; border: 0; border-radius: 999px; font-weight: 700; font-size: 14px; transition: transform 180ms ease, background 180ms ease, box-shadow 180ms ease; }
.button:hover, .button:focus-visible { transform: translateY(-2px); }
.button-primary { background: var(--cyan-dark); color: var(--white); box-shadow: 0 12px 28px rgba(5, 111, 140, 0.2); }
.button-primary:hover, .button-primary:focus-visible { background: var(--ink); }
.button-dark { background: var(--ink); color: var(--white); }
.button-dark:hover, .button-dark:focus-visible { background: var(--cyan-dark); }
.button-white { background: var(--white); color: var(--ink); }
.text-link { color: var(--white); font-size: 14px; font-weight: 600; }
.text-link span { display: inline-block; margin-left: 5px; transition: transform 180ms ease; }
.text-link:hover span { transform: translateY(3px); }

.section-pad { max-width: 1240px; margin: 0 auto; padding: 120px 32px; }
.intro-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 50px; margin-bottom: 48px; }
h2 { margin-bottom: 0; font-size: clamp(38px, 5vw, 66px); }
.intro-heading p, .showcase-copy > p { max-width: 340px; margin-bottom: 5px; color: var(--muted); }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.feature-card { min-height: 320px; padding: 28px; border-radius: var(--radius-md); display: flex; flex-direction: column; color: var(--ink); transition: transform 200ms ease, box-shadow 200ms ease; }
.feature-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.feature-card-cyan { background: #baf3f4; }
.feature-card-navy { background: var(--ink); color: var(--white); }
.feature-card-yellow { background: #ffe9a7; }
.feature-card-lilac { background: #dfdcff; }
.feature-number { margin-bottom: 70px; font-family: "Space Grotesk", sans-serif; font-size: 12px; opacity: 0.55; }
.feature-card h3 { margin-bottom: 12px; font-size: 23px; }
.feature-card p { margin-bottom: 24px; color: inherit; opacity: 0.72; font-size: 14px; }
.card-link { margin-top: auto; display: inline-flex; gap: 8px; align-items: center; width: fit-content; font-size: 13px; font-weight: 700; }
.card-link span { transition: transform 180ms ease; }
.card-link:hover span { transform: translateX(4px); }

.showcase { display: grid; grid-template-columns: 0.82fr 1.18fr; align-items: center; gap: 88px; padding-top: 42px; }
.showcase-copy h2 { margin-bottom: 22px; }
.showcase-tabs { display: flex; gap: 8px; margin: 36px 0 30px; flex-wrap: wrap; }
.showcase-tab { padding: 9px 14px; border: 1px solid var(--line); border-radius: 999px; background: transparent; color: var(--muted); cursor: pointer; font-size: 13px; font-weight: 600; transition: background 180ms ease, color 180ms ease, border-color 180ms ease; }
.showcase-tab:hover { border-color: var(--cyan); color: var(--cyan-dark); }
.showcase-tab.is-active { border-color: var(--ink); background: var(--ink); color: var(--white); }
.showcase-meta { display: grid; gap: 4px; border-left: 2px solid var(--cyan); padding-left: 15px; }
.showcase-meta strong { font-family: "Space Grotesk", sans-serif; font-size: 16px; }
.showcase-meta span { color: var(--muted); font-size: 13px; }
.showcase-visual { position: relative; min-height: 670px; display: grid; place-items: center; }
.visual-glow { position: absolute; width: 74%; aspect-ratio: 1; border-radius: 50%; background: #c8f6ff; filter: blur(2px); }
.showcase-visual img { position: relative; z-index: 1; width: min(100%, 380px); height: auto; aspect-ratio: 9 / 16; object-fit: contain; object-position: center; border-radius: 190px 190px 22px 22px; box-shadow: 0 32px 70px rgba(19, 84, 120, 0.21); transition: opacity 220ms ease, transform 220ms ease; }
.showcase-visual img.is-changing { opacity: 0; transform: translateY(8px); }
.visual-caption { position: absolute; z-index: 2; bottom: 26px; left: 50%; transform: translateX(-50%); display: flex; align-items: center; gap: 12px; width: max-content; padding: 10px 14px; border-radius: 999px; background: rgba(16, 38, 63, 0.9); color: var(--white); font-size: 12px; }
.visual-caption span:first-child { color: var(--yellow); font-weight: 700; }

.media-strip { background: var(--cyan); color: var(--white); }
.media-strip-inner { max-width: 1240px; margin: 0 auto; padding: 88px 32px; display: grid; grid-template-columns: 1.15fr 0.85fr auto; align-items: end; gap: 48px; }
.media-strip .section-kicker { color: rgba(255,255,255,0.72); }
.media-strip h2 { font-size: clamp(38px, 5vw, 62px); }
.media-strip h2 span { color: var(--ink); }
.media-strip p { max-width: 340px; margin: 0; color: rgba(255,255,255,0.84); }
.media-strip .button { white-space: nowrap; }

.privacy { display: grid; grid-template-columns: 100px 1fr 1fr; align-items: start; gap: 48px; }
.privacy-mark { display: grid; place-items: center; width: 74px; height: 74px; border-radius: 24px; background: #d8fac8; color: #39963a; font-size: 40px; font-weight: 700; }
.privacy h2 { margin-bottom: 22px; }
.privacy p { max-width: 440px; margin: 0; color: var(--muted); }
.privacy-list { display: grid; gap: 2px; }
.privacy-list > div { display: grid; grid-template-columns: 36px 1fr; padding: 16px 0; border-top: 1px solid var(--line); }
.privacy-list > div:last-child { border-bottom: 1px solid var(--line); }
.privacy-list span { grid-row: span 2; color: var(--cyan-dark); font-family: "Space Grotesk", sans-serif; font-size: 12px; }
.privacy-list strong { font-family: "Space Grotesk", sans-serif; font-size: 15px; }
.privacy-list small { color: var(--muted); font-size: 13px; }

.download-cta { background: var(--ink); color: var(--white); overflow: hidden; }
.download-cta-inner { max-width: 1240px; margin: 0 auto; padding: 90px 32px; display: grid; grid-template-columns: 100px 1fr auto; align-items: center; gap: 48px; }
.download-cta .section-kicker { color: #72dfeb; }
.download-cta h2 { font-size: clamp(40px, 5vw, 64px); }
.download-spark { width: 72px; height: 72px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,0.25); border-radius: 50%; color: var(--yellow); font-size: 30px; }

.site-footer { background: #eaf6fa; }
.footer-inner, .footer-bottom { max-width: 1240px; margin: 0 auto; padding: 34px 32px; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand-footer { font-size: 14px; }
.footer-inner p { margin: 0; color: var(--muted); font-size: 13px; }
.footer-links { display: flex; gap: 20px; color: var(--muted); font-size: 13px; font-weight: 600; }
.footer-links a:hover { color: var(--ink); }
.footer-bottom { display: flex; justify-content: space-between; border-top: 1px solid var(--line); color: var(--muted); font-size: 11px; }

@media (max-width: 900px) {
  .primary-nav { gap: 18px; }
  .hero-content { min-height: 570px; grid-template-columns: 0.9fr 1.1fr; gap: 24px; }
  .hero h1 { font-size: clamp(42px, 6vw, 60px); }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .showcase { grid-template-columns: 1fr; gap: 45px; }
  .showcase-copy { max-width: 600px; }
  .showcase-visual { min-height: 580px; }
  .showcase-visual img { width: min(100%, 350px); }
  .media-strip-inner { grid-template-columns: 1fr 1fr; }
  .media-strip .button { justify-self: start; }
  .privacy { grid-template-columns: 80px 1fr; }
  .privacy-list { grid-column: 2; }
  .download-cta-inner { grid-template-columns: 80px 1fr; }
  .download-cta .button { grid-column: 2; justify-self: start; }
}

@media (max-width: 680px) {
  .nav-shell { padding: 13px 20px; }
  .brand { font-size: 13px; }
  .brand-mark { width: 27px; height: 27px; border-radius: 9px; font-size: 16px; }
  .menu-toggle { display: block; }
  .primary-nav { position: absolute; inset: 60px 14px auto; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 8px; border: 1px solid var(--line); border-radius: 16px; background: rgba(255,255,255,0.98); box-shadow: var(--shadow); }
  .primary-nav.is-open { display: flex; }
  .primary-nav a { padding: 12px 14px; }
  .primary-nav .nav-cta { margin-top: 4px; text-align: center; }
  .hero-content { min-height: 0; padding: 104px 20px 48px; grid-template-columns: 1fr; gap: 32px; }
  .hero h1 { max-width: none; font-size: clamp(42px, 12vw, 58px); }
  .hero-description { max-width: 360px; font-size: 15px; }
  .hero-image { width: 100%; }
  .section-pad { padding: 80px 20px; }
  .intro-heading { display: block; margin-bottom: 34px; }
  .intro-heading p { margin-top: 20px; }
  .feature-grid { grid-template-columns: 1fr; gap: 10px; }
  .feature-card { min-height: 250px; padding: 24px; }
  .feature-number { margin-bottom: 45px; }
  .showcase { padding-top: 14px; }
  .showcase-visual { min-height: 500px; margin: 0 -10px; }
  .showcase-visual img { width: min(100%, 320px); border-radius: 160px 160px 18px 18px; }
  .visual-caption { bottom: 16px; }
  .media-strip-inner { display: block; padding: 72px 20px; }
  .media-strip p { margin: 24px 0 28px; }
  .privacy { grid-template-columns: 1fr; gap: 24px; }
  .privacy-list { grid-column: auto; }
  .download-cta-inner { display: block; padding: 72px 20px; }
  .download-spark { margin-bottom: 28px; }
  .download-cta .button { margin-top: 30px; }
  .footer-inner { align-items: flex-start; flex-direction: column; padding: 30px 20px; }
  .footer-links { flex-wrap: wrap; }
  .footer-bottom { padding: 20px; }
}

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