:root {
  color-scheme: light;
  --navy-950: #041c30;
  --navy-900: #062f4f;
  --navy-800: #084d70;
  --blue-600: #087fa4;
  --cyan-400: #37c9d1;
  --cyan-100: #dff8f7;
  --yellow-400: #e8ae3b;
  --ink: #102d3e;
  --muted: #567181;
  --line: #d5e5e9;
  --surface: #ffffff;
  --surface-soft: #f3f8f9;
  --shadow: 0 24px 70px rgba(4, 42, 67, 0.12);
  --radius-lg: 30px;
  --radius-md: 20px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: #f8fbfb;
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Noto Sans", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 50;
  padding: 10px 14px;
  border-radius: 10px;
  background: #fff;
  color: var(--navy-950);
  font-weight: 700;
  transform: translateY(-160%);
  transition: transform 160ms ease;
}

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

.site-header {
  position: absolute;
  inset: 0 0 auto;
  z-index: 10;
  color: #fff;
}

.header-inner,
.hero-inner,
.section-inner,
.footer-inner {
  width: min(1160px, calc(100% - 48px));
  margin-inline: auto;
}

.header-inner {
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: inherit;
  font-size: 1.02rem;
  font-weight: 780;
  letter-spacing: -0.025em;
  text-decoration: none;
}

.brand img {
  display: block;
  border-radius: 12px;
}

.site-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px 24px;
}

.site-nav a {
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.86rem;
  font-weight: 650;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: #fff;
}

.site-nav .nav-cta {
  padding: 9px 16px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 999px;
  color: #fff;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 166px 0 98px;
  background:
    radial-gradient(circle at 80% 22%, rgba(55, 201, 209, 0.2), transparent 25rem),
    radial-gradient(circle at 14% 96%, rgba(8, 127, 164, 0.32), transparent 28rem),
    linear-gradient(135deg, var(--navy-950) 0%, var(--navy-900) 54%, #096d87 100%);
  color: #fff;
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  pointer-events: none;
}

.hero::before {
  width: 620px;
  height: 620px;
  right: -250px;
  top: -210px;
  box-shadow:
    0 0 0 70px rgba(255, 255, 255, 0.025),
    0 0 0 150px rgba(255, 255, 255, 0.018);
}

.hero::after {
  width: 300px;
  height: 300px;
  left: -160px;
  bottom: -210px;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(330px, 0.72fr);
  align-items: center;
  gap: clamp(50px, 8vw, 110px);
}

.eyebrow {
  margin: 0 0 16px;
  color: #84e4e4;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow.dark {
  color: var(--blue-600);
}

.eyebrow.light {
  color: #92e5e7;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 690px;
  margin-bottom: 12px;
  font-size: clamp(3.2rem, 7vw, 6.25rem);
  line-height: 0.98;
  letter-spacing: -0.065em;
}

.hero-tagline {
  max-width: 640px;
  margin-bottom: 24px;
  color: #fff;
  font-size: clamp(1.7rem, 3.5vw, 2.8rem);
  font-weight: 620;
  line-height: 1.12;
  letter-spacing: -0.045em;
}

.hero-lead {
  max-width: 670px;
  margin-bottom: 32px;
  color: rgba(255, 255, 255, 0.76);
  font-size: clamp(1.02rem, 1.7vw, 1.18rem);
}

.hero-lead strong {
  color: #fff;
  font-weight: 720;
}

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

.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 21px;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 750;
  text-decoration: none;
  transition: transform 160ms ease, background 160ms ease;
}

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

.button-primary {
  background: var(--yellow-400);
  color: #1f3540;
}

.button-primary:hover {
  background: #f1bd55;
}

.button-secondary {
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
}

.trust-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin: 30px 0 0;
  padding: 0;
  color: rgba(255, 255, 255, 0.66);
  font-size: 0.78rem;
  list-style: none;
}

.trust-list li::before {
  content: "✓";
  margin-right: 7px;
  color: var(--cyan-400);
  font-weight: 800;
}

.conditions-card {
  position: relative;
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.23);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.1);
  box-shadow: 0 30px 70px rgba(0, 16, 31, 0.24);
  backdrop-filter: blur(18px);
}

.conditions-card::after {
  content: "";
  position: absolute;
  right: 38px;
  top: -10px;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: var(--yellow-400);
  box-shadow: 0 0 42px rgba(232, 174, 59, 0.28);
}

.card-topline {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  padding-right: 68px;
}

.card-topline div {
  display: grid;
  gap: 4px;
}

.card-label,
.metric-grid span,
.condition {
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.72rem;
}

.card-topline strong {
  font-size: 1rem;
}

.score {
  display: grid;
  width: 52px;
  height: 52px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 50%;
  color: #a8f4ef;
  font-size: 1.05rem;
  font-weight: 800;
}

.weather-row {
  display: flex;
  align-items: center;
  gap: 18px;
  margin: 34px 0 28px;
}

.weather-symbol {
  color: #9fe9ec;
  font-size: 3.5rem;
  line-height: 1;
  transform: rotate(-18deg);
}

.weather-row div {
  display: grid;
}

.temperature {
  font-size: 3.1rem;
  font-weight: 720;
  line-height: 1.05;
  letter-spacing: -0.05em;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  border-left: 1px solid rgba(255, 255, 255, 0.14);
}

.metric-grid div {
  display: grid;
  gap: 4px;
  padding: 15px 13px;
  border-right: 1px solid rgba(255, 255, 255, 0.14);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.metric-grid strong {
  font-size: 0.79rem;
  font-weight: 680;
}

.example-note {
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.52);
  font-size: 0.68rem;
  line-height: 1.5;
}

.purpose-strip {
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.verification-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-left: 1px solid var(--line);
}

.section-kicker {
  margin: 0;
  color: var(--blue-600);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.verification-card {
  padding: 42px 40px;
  border-right: 1px solid var(--line);
}

.verification-card h2 {
  margin: 8px 0 16px;
  font-size: clamp(1.5rem, 2.8vw, 2.2rem);
  line-height: 1.12;
  letter-spacing: -0.04em;
}

.verification-card p:not(.section-kicker) {
  margin: 0;
  color: var(--muted);
  font-size: 0.91rem;
}

.verification-card p + p {
  margin-top: 14px;
}

.verification-card a {
  display: inline-flex;
  gap: 8px;
  margin-top: 20px;
  color: var(--blue-600);
  font-size: 0.86rem;
  font-weight: 760;
  text-decoration: none;
}

.section {
  padding: clamp(76px, 10vw, 124px) 0;
}

.section-heading {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: end;
  gap: 70px;
  margin-bottom: 44px;
}

.section-heading.compact {
  grid-template-columns: 1fr;
}

.section-heading h2,
.sign-in-copy h2,
.safety-inner h2 {
  max-width: 720px;
  margin-bottom: 0;
  font-size: clamp(2.2rem, 4.8vw, 4rem);
  line-height: 1.06;
  letter-spacing: -0.05em;
}

.section-heading > p {
  margin-bottom: 0;
  color: var(--muted);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.feature-card {
  min-height: 310px;
  padding: 30px 27px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.feature-number {
  display: inline-block;
  margin-bottom: 72px;
  color: var(--blue-600);
  font-size: 0.73rem;
  font-weight: 800;
}

.feature-card h3 {
  margin-bottom: 10px;
  font-size: 1.17rem;
  letter-spacing: -0.025em;
}

.feature-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.89rem;
}

.sign-in-section {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 90% 115%, rgba(55, 201, 209, 0.17), transparent 27rem),
    var(--navy-950);
  color: #fff;
}

.sign-in-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(300px, 0.7fr);
  align-items: start;
  gap: clamp(60px, 10vw, 130px);
}

.sign-in-copy h2 {
  margin-bottom: 28px;
}

.sign-in-copy > p:not(.eyebrow) {
  max-width: 720px;
  color: rgba(255, 255, 255, 0.7);
}

.text-link {
  display: inline-flex;
  gap: 10px;
  margin-top: 16px;
  color: #9be9e9;
  font-weight: 750;
  text-decoration: none;
}

.data-card {
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.06);
}

.data-card h3 {
  margin-bottom: 20px;
}

.data-card ul {
  display: grid;
  gap: 10px;
  margin: 0 0 24px;
  padding: 0;
  color: rgba(255, 255, 255, 0.78);
  list-style: none;
}

.data-card li::before {
  content: "—";
  margin-right: 10px;
  color: var(--cyan-400);
}

.data-card p {
  margin: 0;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.13);
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.82rem;
}

.how-section {
  background: #fff;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.steps li {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 17px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface-soft);
}

.steps > li > span {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 50%;
  background: var(--navy-900);
  color: #fff;
  font-size: 0.76rem;
  font-weight: 800;
}

.steps h3 {
  margin-bottom: 7px;
  font-size: 1rem;
}

.steps p {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.safety-section {
  padding: 62px 0;
  border-top: 1px solid var(--line);
  background: var(--cyan-100);
}

.safety-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: end;
  gap: 80px;
}

.safety-inner h2 {
  max-width: 570px;
  font-size: clamp(2.1rem, 4vw, 3.3rem);
}

.safety-inner > p {
  margin: 0;
  color: #3d6673;
}

.site-footer {
  padding: 56px 0 34px;
  background: #031725;
  color: #fff;
}

.footer-inner {
  display: grid;
  grid-template-columns: 0.8fr 1.25fr 1fr;
  align-items: start;
  gap: 42px;
}

.footer-brand {
  font-size: 0.95rem;
}

.footer-summary {
  max-width: 400px;
  margin: 4px 0 0;
  color: rgba(255, 255, 255, 0.54);
  font-size: 0.82rem;
}

.footer-nav {
  display: grid;
  justify-items: start;
  gap: 9px;
}

.footer-nav a {
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.82rem;
  text-decoration: none;
}

.footer-nav a:hover {
  color: #fff;
}

.copyright {
  grid-column: 1 / -1;
  margin: 30px 0 0;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.42);
  font-size: 0.74rem;
}

@media (max-width: 960px) {
  .hero-inner,
  .sign-in-grid {
    grid-template-columns: 1fr;
  }

  .conditions-card {
    max-width: 580px;
  }

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

  .feature-card {
    min-height: 270px;
  }

  .feature-number {
    margin-bottom: 44px;
  }
}

@media (max-width: 760px) {
  .header-inner,
  .hero-inner,
  .section-inner,
  .footer-inner {
    width: min(100% - 30px, 1160px);
  }

  .header-inner {
    min-height: 78px;
  }

  .site-nav {
    gap: 8px 13px;
  }

  .site-nav a:not(.nav-cta) {
    display: none;
  }

  .hero {
    padding: 132px 0 74px;
  }

  h1 {
    font-size: clamp(3rem, 15vw, 4.8rem);
  }

  .verification-grid,
  .section-heading,
  .safety-inner,
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .verification-grid {
    gap: 0;
  }

  .verification-card {
    padding: 34px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .section-heading {
    align-items: start;
  }

  .section-heading h2,
  .sign-in-copy h2,
  .safety-inner h2 {
    font-size: clamp(2.15rem, 10vw, 3.15rem);
  }

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

  .footer-summary {
    margin-top: 0;
  }

  .copyright {
    margin-top: 12px;
  }
}

@media (max-width: 520px) {
  .brand span {
    font-size: 0.91rem;
  }

  .site-nav .nav-cta {
    padding: 7px 12px;
  }

  .hero-actions {
    display: grid;
  }

  .button {
    width: 100%;
  }

  .trust-list {
    display: grid;
    gap: 8px;
  }

  .conditions-card {
    padding: 22px;
    border-radius: 24px;
  }

  .conditions-card::after {
    right: 26px;
    width: 44px;
    height: 44px;
  }

  .card-topline {
    padding-right: 50px;
  }

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

  .feature-card {
    min-height: auto;
  }

  .feature-number {
    margin-bottom: 34px;
  }

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

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

  .button {
    transition: none;
  }
}