:root {
  color-scheme: light;
  --ink: #151515;
  --muted: #5b6168;
  --line: #d9dde1;
  --paper: #f5f6f4;
  --white: #ffffff;
  --red: #e22f28;
  --red-dark: #b81f1a;
  --steel: #33414c;
  --green: #3f7a58;
  --gold: #b7893d;
  --shadow: 0 20px 55px rgba(21, 21, 21, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px clamp(18px, 4vw, 56px);
  background: rgba(245, 246, 244, 0.92);
  border-bottom: 1px solid rgba(21, 21, 21, 0.08);
  backdrop-filter: blur(16px);
}

.brand,
.nav,
.hero-actions,
.footer {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  display: inline-grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 8px;
  background: var(--ink);
  color: var(--white);
  font-size: 13px;
  letter-spacing: 0;
}

.nav {
  gap: clamp(12px, 2vw, 28px);
  color: #42474c;
  font-size: 15px;
}

.nav a,
.header-cta,
.button,
.footer a {
  text-decoration: none;
}

.nav a:hover,
.footer a:hover {
  color: var(--red);
}

.header-cta {
  padding: 10px 16px;
  border-radius: 6px;
  background: var(--red);
  color: var(--white);
  font-weight: 800;
  white-space: nowrap;
}

.hero {
  position: relative;
  min-height: calc(100svh - 67px);
  display: grid;
  align-items: center;
  overflow: hidden;
  background: #111;
}

.hero-image,
.hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image {
  object-fit: cover;
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(10, 10, 10, 0.9) 0%, rgba(10, 10, 10, 0.72) 40%, rgba(10, 10, 10, 0.22) 100%),
    linear-gradient(0deg, rgba(10, 10, 10, 0.38), rgba(10, 10, 10, 0.08));
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(760px, calc(100% - 36px));
  margin-left: clamp(18px, 6vw, 78px);
  padding: 74px 0 90px;
  color: var(--white);
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: #f46a62;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  max-width: 720px;
  margin-bottom: 22px;
  font-size: clamp(42px, 6vw, 82px);
  line-height: 0.96;
  letter-spacing: 0;
}

.lead {
  max-width: 650px;
  margin-bottom: 30px;
  color: rgba(255, 255, 255, 0.84);
  font-size: clamp(18px, 2vw, 22px);
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 18px;
  border-radius: 7px;
  font-weight: 900;
}

.button.primary {
  background: var(--red);
  color: var(--white);
  box-shadow: 0 16px 32px rgba(226, 47, 40, 0.3);
}

.button.primary:hover,
.header-cta:hover {
  background: var(--red-dark);
}

.button.secondary {
  border: 1px solid rgba(255, 255, 255, 0.32);
  color: var(--white);
}

.button.light {
  background: var(--white);
  color: var(--ink);
  box-shadow: none;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--line);
  background: var(--white);
}

.trust-strip div {
  min-height: 112px;
  padding: 24px clamp(18px, 3vw, 34px);
  border-right: 1px solid var(--line);
}

.trust-strip strong,
.trust-strip span {
  display: block;
}

.trust-strip strong {
  margin-bottom: 6px;
  font-size: 18px;
}

.trust-strip span {
  color: var(--muted);
}

.section {
  width: min(1160px, calc(100% - 36px));
  margin: 0 auto;
  padding: clamp(58px, 8vw, 104px) 0;
}

.intro {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(28px, 6vw, 82px);
  align-items: start;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(34px, 4.5vw, 58px);
  line-height: 1.02;
  letter-spacing: 0;
}

.intro > p {
  color: #3f464c;
  font-size: 20px;
}

.features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--white);
}

.features article {
  min-height: 320px;
  padding: clamp(24px, 3vw, 38px);
  border-right: 1px solid var(--line);
}

.feature-number {
  display: block;
  margin-bottom: 34px;
  color: var(--red);
  font-weight: 900;
}

h3 {
  margin-bottom: 12px;
  font-size: 24px;
  line-height: 1.12;
}

.features p,
.use-grid div,
.faq p,
.buy-band p,
.footer p {
  color: var(--muted);
}

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

.use-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.use-grid div {
  min-height: 112px;
  padding: 24px;
  background: var(--white);
  color: var(--ink);
  font-weight: 800;
}

.buy-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: clamp(34px, 5vw, 64px) clamp(18px, 6vw, 78px);
  background: var(--red);
  color: var(--white);
}

.buy-band .section-kicker,
.buy-band p {
  color: rgba(255, 255, 255, 0.82);
}

.buy-band div {
  max-width: 760px;
}

.faq {
  padding-bottom: 54px;
}

details {
  border-top: 1px solid var(--line);
  background: transparent;
}

details:last-child {
  border-bottom: 1px solid var(--line);
}

summary {
  cursor: pointer;
  padding: 23px 0;
  font-size: 20px;
  font-weight: 900;
}

summary::marker {
  color: var(--red);
}

details p {
  max-width: 780px;
  margin-bottom: 24px;
}

.footer {
  justify-content: space-between;
  gap: 24px;
  padding: 30px clamp(18px, 4vw, 56px);
  background: var(--ink);
  color: var(--white);
}

.footer p {
  margin: 4px 0 0;
  color: rgba(255, 255, 255, 0.68);
}

.footer a {
  color: var(--white);
  font-weight: 900;
}

@media (max-width: 920px) {
  .nav {
    display: none;
  }

  .hero {
    min-height: 760px;
  }

  .hero-shade {
    background: linear-gradient(90deg, rgba(10, 10, 10, 0.92) 0%, rgba(10, 10, 10, 0.78) 62%, rgba(10, 10, 10, 0.38) 100%);
  }

  .trust-strip,
  .features,
  .use-grid,
  .intro {
    grid-template-columns: 1fr 1fr;
  }

  .features article {
    min-height: 260px;
  }

  .buy-band {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 620px) {
  .site-header {
    gap: 10px;
    padding: 12px 14px;
  }

  .brand span:last-child {
    display: none;
  }

  .header-cta {
    padding: 9px 12px;
    font-size: 14px;
  }

  .hero {
    min-height: 720px;
  }

  .hero-image {
    object-position: 62% center;
  }

  .hero-content {
    width: calc(100% - 28px);
    margin: 0 auto;
    padding-top: 58px;
  }

  h1 {
    font-size: 42px;
  }

  .lead {
    font-size: 17px;
  }

  .button {
    width: 100%;
  }

  .trust-strip,
  .features,
  .use-grid,
  .intro {
    grid-template-columns: 1fr;
  }

  .trust-strip div,
  .features article {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .features article {
    min-height: auto;
  }

  .feature-number {
    margin-bottom: 18px;
  }

  .footer {
    align-items: flex-start;
    flex-direction: column;
  }
}