:root {
  --ink: #0a2540;
  --ink-soft: #1e3a55;
  --blue: #0ea5e9;
  --blue-deep: #0284c7;
  --cyan: #06b6d4;
  --teal: #0f766e;
  --paper: #ffffff;
  --mist: #f0f9ff;
  --cloud: #f8fafc;
  --slate: #52677a;
  --line: #dce8f1;
  --shadow: 0 26px 70px -30px rgba(10, 37, 64, 0.35);
  --font: "Plus Jakarta Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: 12px;
  z-index: 100;
  padding: 10px 14px;
  border-radius: 7px;
  background: var(--ink);
  color: white;
  font-weight: 700;
  text-decoration: none;
  transform: translateY(-150%);
  transition: transform 180ms ease;
}

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

.shell {
  width: min(1180px, calc(100% - 48px));
  margin-inline: auto;
}

.site-header {
  position: relative;
  z-index: 20;
  border-bottom: 1px solid rgba(220, 232, 241, 0.78);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(16px);
}

.nav-row,
.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav-row {
  min-height: 78px;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  text-decoration: none;
}

.wordmark-mark {
  width: 31px;
  height: 31px;
  overflow: visible;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
}

.wordmark-mark circle:last-child {
  fill: var(--blue);
  stroke: none;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 0.92rem;
  font-weight: 700;
}

.site-nav a {
  text-decoration: none;
}

.nav-cta {
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.nav-cta:hover {
  border-color: #b4cfdf;
  box-shadow: 0 8px 24px -16px rgba(10, 37, 64, 0.5);
  transform: translateY(-1px);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 104px 0 112px;
  background:
    radial-gradient(circle at 84% 12%, rgba(14, 165, 233, 0.13), transparent 33%),
    radial-gradient(circle at 8% 92%, rgba(6, 182, 212, 0.09), transparent 30%),
    linear-gradient(180deg, #fff 0%, #fbfdff 100%);
}

.hero::before {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(10, 37, 64, 0.026) 1px, transparent 1px);
  background-size: 100% 44px;
  content: "";
  mask-image: linear-gradient(to right, transparent, black 22%, black 78%, transparent);
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(480px, 1.1fr);
  align-items: center;
  gap: 74px;
}

.eyebrow,
.product-label {
  color: var(--blue-deep);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow {
  margin-bottom: 21px;
}

.hero h1 {
  max-width: 680px;
  font-size: clamp(3rem, 5.5vw, 5.2rem);
  font-weight: 800;
  letter-spacing: -0.06em;
  line-height: 1.01;
  text-wrap: balance;
}

.hero-lede {
  max-width: 610px;
  margin-top: 28px;
  color: var(--slate);
  font-size: 1.12rem;
  font-weight: 500;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 20px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-size: 0.94rem;
  font-weight: 800;
  text-decoration: none;
  transition: box-shadow 180ms ease, transform 180ms ease, border-color 180ms ease;
}

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

.button-primary {
  background: linear-gradient(135deg, var(--blue), var(--blue-deep));
  box-shadow: 0 10px 26px -10px rgba(14, 165, 233, 0.8);
  color: white;
}

.button-primary:hover {
  box-shadow: 0 14px 30px -10px rgba(14, 165, 233, 0.92);
}

.button-secondary {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.76);
}

.button-secondary:hover {
  border-color: #b4cfdf;
  box-shadow: 0 10px 28px -20px rgba(10, 37, 64, 0.55);
}

.lens-stage {
  position: relative;
  isolation: isolate;
  min-height: 540px;
  display: grid;
  place-items: center;
}

.lens-stage img {
  position: relative;
  z-index: 3;
  display: block;
  width: 114%;
  max-width: none;
  height: auto;
  filter: drop-shadow(0 30px 34px rgba(10, 37, 64, 0.18));
  animation: tablet-arrive 850ms cubic-bezier(0.2, 0.75, 0.25, 1) both;
}

.lens-ring {
  position: absolute;
  z-index: 1;
  border: 1px solid rgba(14, 165, 233, 0.25);
  border-radius: 50%;
  background: radial-gradient(circle at 38% 35%, rgba(255, 255, 255, 0.85), rgba(14, 165, 233, 0.04) 46%, rgba(6, 182, 212, 0.1));
  box-shadow: inset 0 0 45px rgba(14, 165, 233, 0.06);
}

.lens-ring-outer {
  width: 520px;
  height: 520px;
}

.lens-ring-inner {
  z-index: 2;
  width: 392px;
  height: 392px;
  border-color: rgba(6, 182, 212, 0.22);
  background: rgba(255, 255, 255, 0.28);
}

.refraction-line {
  position: absolute;
  z-index: 2;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(14, 165, 233, 0.65), transparent);
  transform-origin: center;
}

.refraction-line-one {
  width: 600px;
  transform: rotate(-23deg);
}

.refraction-line-two {
  width: 480px;
  transform: rotate(34deg);
}

.visual-note {
  position: absolute;
  right: 2px;
  bottom: 55px;
  z-index: 5;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 11px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow);
  color: var(--ink-soft);
  font-size: 0.76rem;
  font-weight: 800;
}

.visual-note-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 4px rgba(15, 118, 110, 0.12);
}

.product-section {
  padding: 96px 0 108px;
  background: var(--paper);
}

.product-card {
  display: grid;
  grid-template-columns: 0.65fr 1.15fr;
  gap: 42px 78px;
  padding: 58px 62px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background:
    radial-gradient(circle at 100% 0%, rgba(14, 165, 233, 0.11), transparent 35%),
    var(--cloud);
  box-shadow: 0 25px 70px -45px rgba(10, 37, 64, 0.45);
}

.product-label {
  margin-bottom: 12px;
}

.product-heading h2 {
  font-size: clamp(2.25rem, 4vw, 3.7rem);
  line-height: 1.05;
  letter-spacing: -0.055em;
}

.product-copy {
  max-width: 620px;
  align-self: end;
}

.product-copy p {
  color: var(--slate);
  font-size: 1.08rem;
}

.text-link {
  display: inline-flex;
  gap: 9px;
  margin-top: 18px;
  color: var(--blue-deep);
  font-size: 0.95rem;
  font-weight: 800;
  text-underline-offset: 5px;
}

.product-facts {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  padding-top: 30px;
}

.product-facts div {
  padding: 0 28px;
  border-left: 1px solid var(--line);
}

.product-facts div:first-child {
  padding-left: 0;
  border-left: 0;
}

.product-facts dt {
  color: var(--ink);
  font-size: 0.94rem;
  font-weight: 800;
}

.product-facts dd {
  margin-top: 3px;
  color: var(--slate);
  font-size: 0.84rem;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 34px 0;
}

.wordmark-footer {
  font-size: 1rem;
}

.wordmark-footer .wordmark-mark {
  width: 26px;
  height: 26px;
}

.footer-row p {
  color: var(--slate);
  font-size: 0.82rem;
}

:focus-visible {
  outline: 3px solid rgba(14, 165, 233, 0.45);
  outline-offset: 4px;
}

@keyframes tablet-arrive {
  from {
    opacity: 0;
    transform: translateY(18px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@media (max-width: 1000px) {
  .hero {
    padding-top: 84px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 44px;
  }

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

  .lens-stage {
    min-height: 500px;
  }

  .lens-stage img {
    width: min(760px, 110%);
  }

  .product-card {
    gap: 36px 54px;
    padding: 48px;
  }
}

@media (max-width: 680px) {
  .shell {
    width: min(100% - 32px, 1180px);
  }

  .nav-row {
    min-height: 70px;
  }

  .site-nav > a:first-child {
    display: none;
  }

  .nav-cta {
    padding: 8px 12px;
    font-size: 0.82rem;
  }

  .hero {
    padding: 64px 0 72px;
  }

  .hero h1 {
    font-size: clamp(2.75rem, 14vw, 4rem);
  }

  .hero-lede {
    font-size: 1rem;
  }

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

  .lens-stage {
    min-height: 360px;
    margin-top: 8px;
  }

  .lens-stage img {
    width: 116%;
  }

  .lens-ring-outer {
    width: 340px;
    height: 340px;
  }

  .lens-ring-inner {
    width: 250px;
    height: 250px;
  }

  .refraction-line-one {
    width: 390px;
  }

  .refraction-line-two {
    width: 330px;
  }

  .visual-note {
    right: 0;
    bottom: 15px;
  }

  .product-section {
    padding: 64px 0 72px;
  }

  .product-card {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 34px 26px;
  }

  .product-facts {
    grid-template-columns: 1fr;
    gap: 18px;
    padding-top: 25px;
  }

  .product-facts div,
  .product-facts div:first-child {
    padding: 0 0 0 18px;
    border-left: 2px solid rgba(14, 165, 233, 0.25);
  }

  .footer-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}
