:root {
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Helvetica Neue", Arial, sans-serif;
  --lime: #a6ce00;
  --ink: #171819;
  --paper: #f2f2f2;
  --gutter: clamp(1.5rem, 5.7vw, 4rem);
  font-family: var(--font);
  color: var(--ink);
  background: var(--paper);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; overflow-wrap: anywhere; }
a { color: inherit; }
a:focus-visible { outline: 3px solid var(--lime); outline-offset: 5px; }

.landing-header {
  position: absolute;
  z-index: 5;
  inset: 0 0 auto;
  min-height: 5rem;
  padding: 1rem var(--gutter) 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  color: #fff;
  background: linear-gradient(180deg, rgb(17 17 17 / 72%), rgb(17 17 17 / 35%) 50%, transparent);
}
.landing-nav { display: flex; align-items: center; gap: 1.25rem; }
.landing-header a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: rgb(255 255 255 / 86%);
  font-size: 1.05rem;
  text-decoration: none;
  text-underline-offset: 4px;
  white-space: nowrap;
}
.landing-header a:hover { color: #fff; text-decoration: underline; }
.login-link { margin-left: auto; }

.landing-hero {
  position: relative;
  isolation: isolate;
  min-height: max(52rem, 100svh);
  padding: 8rem var(--gutter) 5rem;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: #111;
  color: #fff;
}
.hero-image, .training-section img, .access-image {
  position: absolute;
  z-index: -2;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-image { object-position: center 47%; }
.landing-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  background: linear-gradient(180deg, rgb(0 0 0 / 18%), rgb(0 0 0 / 6%) 42%, rgb(0 0 0 / 42%));
}
.hero-brand {
  display: grid;
  grid-template-columns: auto;
  justify-content: center;
  width: 100%;
  max-width: 68rem;
}
.hero-mark {
  justify-self: center;
  width: clamp(3.25rem, 6.6vw, 6rem);
  height: auto;
  margin-bottom: clamp(.5rem, 1.2vw, 1.1rem);
  border-radius: 22%;
}
.hero-wordmark {
  margin: 0;
  color: #fff;
  mix-blend-mode: overlay;
  font-size: clamp(3.45rem, 10.2vw, 9rem);
  font-weight: 900;
  letter-spacing: -.03em;
  line-height: .95;
  white-space: nowrap;
}
.hero-tagline {
  justify-self: start;
  max-width: 22ch;
  margin: clamp(.75rem, 1.4vw, 1.4rem) 0 0;
  font-size: clamp(1.05rem, 2.1vw, 1.9rem);
  font-weight: 700;
  line-height: 1.3;
  text-shadow: 0 1px 14px rgb(0 0 0 / 45%);
}
.start-link {
  justify-self: start;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 3rem;
  margin-top: clamp(1.5rem, 2.6vw, 2.5rem);
  padding: .625rem 1.75rem;
  border-radius: 100px;
  background: var(--lime);
  color: #192000;
  font-size: clamp(1.05rem, 1.3vw, 1.4rem);
  font-weight: 700;
  text-align: center;
  text-decoration: none;
}
.start-link:hover, .access-card:last-child a:hover { background: #b9e500; }
.hero-secondary {
  justify-self: start;
  margin-top: 1.125rem;
  color: #fff;
  font-size: .9375rem;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 5px;
  text-shadow: 0 1px 10px rgb(0 0 0 / 55%);
}

.section-inner { width: min(88%, 1360px); margin: 0 auto; }
.eyebrow { margin: 0; font-size: .75rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.product-section { padding: 8rem 0; background: var(--ink); color: #fff; }
.product-layout { display: grid; grid-template-columns: .9fr 1.1fr; align-items: center; gap: clamp(3rem, 7vw, 8rem); }
.product-intro .eyebrow { color: #b9c19b; }
.product-intro h2, .method-section h2, .training-section h2, .access-section h2 {
  margin: 1.375rem 0;
  font-size: clamp(3rem, 5.6vw, 4.875rem);
  font-weight: 700;
  letter-spacing: -.045em;
  line-height: 1.01;
}
.product-intro > p:last-child { max-width: 26rem; margin: 0; color: #c9cbc6; font-size: 1.2rem; line-height: 1.5; }
.product-steps { border-top: 1px solid rgb(255 255 255 / 30%); }
.product-step { display: grid; grid-template-columns: 3.5rem 1fr; gap: 1.5rem; padding: 1.75rem 0; border-bottom: 1px solid rgb(255 255 255 / 30%); }
.product-step > span { padding-top: .35rem; color: #b9c19b; font-size: .8rem; font-weight: 700; letter-spacing: .08em; }
.product-step h3 { margin: 0 0 .4rem; font-size: clamp(1.65rem, 2.4vw, 2.5rem); font-weight: 700; letter-spacing: -.035em; }
.product-step p { max-width: 25rem; margin: 0; color: #c9cbc6; font-size: 1.05rem; line-height: 1.45; }

.method-section { padding: 8.5rem 0 9rem; background: var(--paper); }
.method-section .eyebrow { color: #73766f; }
.method-heading { display: flex; justify-content: space-between; align-items: end; gap: 4rem; }
.method-heading h2 { max-width: 47rem; margin-bottom: 0; }
.method-heading > p { max-width: 20rem; margin: 0 0 .35rem; color: #626561; font-size: 1.125rem; line-height: 1.5; }
.method-detail { display: flex; justify-content: space-between; align-items: end; gap: 2rem; margin-top: 6rem; padding-top: 1.75rem; border-top: 1px solid #bcbfba; }
.method-detail p { max-width: 15ch; margin: 0; font-size: clamp(2.25rem, 4.2vw, 4rem); font-weight: 700; letter-spacing: -.045em; line-height: 1.05; }
.method-detail a { font-size: 1rem; font-weight: 700; text-underline-offset: 5px; }

.training-section {
  position: relative;
  isolation: isolate;
  min-height: 35rem;
  padding: 5rem 0;
  display: flex;
  align-items: end;
  overflow: hidden;
  background: #1d2626;
  color: #fff;
}
.training-section img { object-position: center 53%; }
.training-section::before { content: ""; position: absolute; z-index: -1; inset: 0; background: linear-gradient(90deg, rgb(10 17 17 / 55%), transparent 75%), linear-gradient(0deg, rgb(10 17 17 / 44%), transparent 66%); }
.training-section h2 { max-width: 51rem; margin-bottom: 0; }

.access-section {
  position: relative;
  isolation: isolate;
  min-height: 48rem;
  padding: 7rem 6% 7.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  background: #202522;
}
.access-image { object-position: center 45%; }
.access-section::before { content: ""; position: absolute; z-index: -1; inset: 0; background: rgb(10 10 10 / 30%); }
.access-heading { margin-bottom: 2.8rem; color: #fff; text-align: center; }
.access-heading h2 { max-width: 52rem; margin: 1.125rem auto 0; }
.access-heading > p:last-child { max-width: 36rem; margin: 1.2rem auto 0; color: #f0f0ed; font-size: 1.125rem; line-height: 1.5; }
.access-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.375rem; width: min(100%, 61rem); }
.access-card {
  min-height: 17.5rem;
  padding: 2rem 2.2rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  border: 1px solid rgb(255 255 255 / 38%);
  border-radius: 1.2rem;
  background: rgb(236 236 236 / 70%);
  -webkit-backdrop-filter: blur(18px) saturate(120%);
  backdrop-filter: blur(18px) saturate(120%);
  box-shadow: 0 24px 60px rgb(0 0 0 / 20%);
}
.access-card .eyebrow { color: #5d6557; font-size: .6875rem; }
.access-card h3 { margin: 1.0625rem 0 .5625rem; font-size: 1.5625rem; letter-spacing: -.03em; }
.access-card > p:not(.eyebrow) { margin: 0 0 1.4rem; font-size: 1rem; line-height: 1.45; }
.access-card a { display: inline-flex; justify-content: center; align-items: center; min-height: 2.9375rem; margin-top: auto; padding: .625rem 1.375rem; border-radius: 100px; background: #fff; color: #5b7200; font-size: 1rem; font-weight: 700; text-align: center; text-decoration: none; }
.access-card:last-child a { background: var(--lime); color: #192000; }

.landing-footer { min-height: 6.5rem; padding: 1.5rem 6%; display: flex; justify-content: space-between; align-items: center; gap: 1.5rem; background: var(--ink); color: #dedfdc; }
.landing-footer strong { font-size: 1.25rem; font-weight: 800; letter-spacing: -.03em; }
.landing-footer nav { display: flex; flex-wrap: wrap; gap: 1.5rem; font-size: .875rem; }
.landing-footer a { text-decoration: none; }
.landing-footer a:hover { text-decoration: underline; }

@media (max-width: 900px) {
  .landing-hero { min-height: 51.25rem; }
  .hero-image { transform: scale(1.3); transform-origin: 50% 58%; }
  .hero-wordmark { font-size: min(15.5vw, 5rem); mix-blend-mode: normal; text-shadow: 0 2px 26px rgb(0 0 0 / 55%), 0 1px 3px rgb(0 0 0 / 35%); }
  .hero-brand { max-width: 34rem; }
  .hero-tagline { max-width: 18ch; }
  .start-link { width: 100%; min-height: 3.25rem; }
  .product-layout { grid-template-columns: 1fr; }
  .method-heading { display: block; }
  .method-heading > p { max-width: 38rem; margin-top: 1.5rem; }
}

@media (max-width: 600px) {
  .landing-header { min-height: 4.25rem; padding: .75rem 5% 1.25rem; gap: .625rem; }
  .landing-nav { gap: .75rem; }
  .landing-header a { min-height: 2rem; font-size: .75rem; }
  .landing-hero { min-height: 47.5rem; padding: 8.25rem 6% 3.5rem; }
  .hero-wordmark { font-size: min(15.5vw, 4.5rem); }
  .hero-mark { width: 3.875rem; }
  .hero-tagline { font-size: 1.125rem; }
  .start-link { margin-top: 1.8rem; font-size: 1.0625rem; }
  .hero-secondary { justify-self: center; margin-top: .75rem; font-size: .8125rem; }
  .product-section { padding: 5.8rem 0 6rem; }
  .product-intro h2, .method-section h2, .training-section h2, .access-section h2 { font-size: clamp(2.7rem, 11vw, 3.875rem); }
  .product-intro > p:last-child, .method-heading > p { font-size: 1.0625rem; }
  .product-steps { margin-top: .75rem; }
  .product-step { grid-template-columns: 2.25rem 1fr; gap: .8rem; }
  .method-section { padding: 6.25rem 0; }
  .method-detail { display: block; margin-top: 4rem; }
  .method-detail a { display: inline-block; margin-top: 2rem; }
  .training-section { min-height: 27.5rem; padding: 4rem 0; }
  .training-section img { object-position: 54% center; }
  .access-section { padding: 5.6rem 6% 6.25rem; }
  .access-heading { margin-bottom: 2.2rem; }
  .access-heading > p:last-child { font-size: 1rem; }
  .access-grid { grid-template-columns: 1fr; gap: 1rem; }
  .access-card { min-height: 0; padding: 1.6rem; }
  .access-card h3 { font-size: 1.4375rem; }
  .access-card > p:not(.eyebrow) { font-size: .9375rem; }
  .access-card a { width: 100%; }
  .landing-footer { align-items: flex-start; flex-direction: column; gap: 1.125rem; }
  .landing-footer nav { gap: 1rem; }
}

@media (max-width: 360px) {
  .landing-header { padding-inline: 4%; gap: .4rem; }
  .landing-nav { gap: .5rem; }
  .landing-header a { font-size: .6875rem; }
}

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