:root {
  --ink: #0b0d10;
  --blue: #315bff;
  --blue-dark: #173ce0;
  --green: #b8f34a;
  --paper: #f7f7f2;
  --paper-2: #eeeee8;
  --muted: #626a77;
  --line: #dfe1da;
  --white: #ffffff;
  --radius: 22px;
  --shadow: 0 22px 60px rgba(11, 13, 16, 0.09);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }

.site-header {
  width: min(1440px, calc(100% - 80px));
  height: 104px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(11, 13, 16, 0.09);
}
.brand { display: inline-flex; align-items: center; gap: 15px; }
.kernel-mark { width: 38px; height: 38px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 5px; }
.kernel-mark i { display: block; width: 8px; height: 8px; align-self: center; justify-self: center; border-radius: 50%; background: var(--ink); }
.kernel-mark i.core { background: var(--blue); box-shadow: 0 0 0 4px rgba(49, 91, 255, 0.1); }
.brand-name { display: flex; flex-direction: column; line-height: 1; text-transform: uppercase; }
.brand-name strong { font: 700 25px/0.95 "Space Grotesk", sans-serif; letter-spacing: 0.05em; }
.brand-name small { margin-top: 6px; font: 600 11px/1 "Space Grotesk", sans-serif; letter-spacing: 0.38em; }
nav { display: flex; align-items: center; gap: 38px; font-size: 14px; font-weight: 500; }
nav > a:first-child { color: #3e4652; }
.nav-cta { color: #fff; background: var(--ink); border-radius: 999px; padding: 14px 20px; transition: transform .2s ease, background .2s ease; }
.nav-cta:hover { transform: translateY(-2px); background: var(--blue); }

.hero {
  width: min(1440px, calc(100% - 80px));
  min-height: 700px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  align-items: center;
  gap: 46px;
  padding: 72px 0 82px;
}
.hero-copy { max-width: 645px; position: relative; z-index: 2; }
.eyebrow { margin: 0 0 26px; display: flex; align-items: center; gap: 12px; color: var(--blue); text-transform: uppercase; font: 600 12px/1.4 "Space Grotesk", sans-serif; letter-spacing: .22em; }
.eyebrow > span { width: 28px; height: 2px; background: currentColor; }
h1, h2, h3 { font-family: "Space Grotesk", sans-serif; margin: 0; }
h1 { font-size: clamp(58px, 5.3vw, 92px); line-height: .94; letter-spacing: -.055em; font-weight: 600; }
h1 em, h1 mark { font-style: normal; background: none; color: var(--blue); }
h1 mark { color: #75c91c; }
.pillars-line { margin: 32px 0 25px; text-transform: uppercase; font: 600 12px/1 "Space Grotesk", sans-serif; letter-spacing: .25em; }
.pillars-line b { color: var(--blue); margin: 0 12px; }
.hero-intro { max-width: 600px; margin: 0; color: var(--muted); font-size: 17px; line-height: 1.75; }
.hero-actions { display: flex; align-items: center; gap: 28px; margin-top: 34px; }
.button { border: 0; border-radius: 10px; min-height: 56px; padding: 0 24px; display: inline-flex; align-items: center; justify-content: center; gap: 26px; font-weight: 600; cursor: pointer; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #fff; background: var(--blue); box-shadow: 0 10px 28px rgba(49, 91, 255, .2); }
.button-primary:hover { background: var(--blue-dark); box-shadow: 0 14px 30px rgba(49, 91, 255, .28); }
.text-link { font-size: 14px; font-weight: 600; padding: 13px 0 9px; border-bottom: 1px solid var(--ink); }
.parent-note { margin: 24px 0 0; color: #737a85; font-size: 12px; }
.parent-note span { color: var(--blue); margin-right: 7px; }

.hero-visual { position: relative; min-height: 600px; display: flex; align-items: center; justify-content: center; }
.hero-visual::before { content: ""; position: absolute; inset: 1% 2% 6% 7%; border-radius: 50% 45% 38% 55%; background: #ecece5; transform: rotate(-3deg); }
.hero-visual::after { content: ""; position: absolute; right: 2%; top: 8%; width: 180px; height: 180px; opacity: .45; background-image: radial-gradient(var(--blue) 1.4px, transparent 1.4px); background-size: 18px 18px; }
.hero-visual img { position: relative; z-index: 1; width: 100%; max-width: 780px; height: 590px; object-fit: cover; object-position: 63% center; border-radius: 45% 45% 28% 46%; mix-blend-mode: multiply; }
.code-card { position: absolute; z-index: 3; left: 0; top: 12%; padding: 16px 19px; background: rgba(255,255,255,.9); box-shadow: var(--shadow); border: 1px solid rgba(11,13,16,.08); border-radius: 12px; transform: rotate(-2deg); }
.code-card code { color: #515968; font: 11px/1.65 ui-monospace, SFMono-Regular, Menlo, monospace; }
.code-card code span, .code-card code b { color: var(--blue); font-weight: 600; }
.orbit { position: absolute; z-index: 2; right: 0; bottom: 4%; width: 128px; height: 128px; border: 1px solid rgba(49,91,255,.35); border-radius: 50%; }
.orbit::before, .orbit::after { content:""; position:absolute; border:1px solid rgba(49,91,255,.25); border-radius:50%; }
.orbit::before { inset: 22px; }.orbit::after { inset: 45px; }
.orbit span { position: absolute; width: 9px; height: 9px; border-radius: 50%; background: var(--blue); top: 50%; right: -5px; }

.method { background: var(--white); padding: 118px max(40px, calc((100vw - 1440px) / 2)); }
.section-heading { display: grid; grid-template-columns: 1fr 1.15fr; column-gap: 80px; align-items: end; margin-bottom: 56px; }
.section-heading .eyebrow { grid-column: 1 / -1; }
.section-heading h2, .waitlist h2 { font-size: clamp(44px, 4.6vw, 72px); line-height: 1.02; letter-spacing: -.045em; }
.section-heading > p:last-child { color: var(--muted); max-width: 555px; font-size: 17px; line-height: 1.7; margin: 0 0 5px; }
.kernel-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.kernel-card { min-height: 330px; padding: 30px 26px 28px; display: flex; flex-direction: column; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: background .25s ease, transform .25s ease; }
.kernel-card:hover { background: var(--paper); transform: translateY(-4px); }
.card-top { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 58px; }
.card-number { color: #999fa8; font: 500 11px/1 ui-monospace, SFMono-Regular, Menlo, monospace; }
.card-icon { min-width: 43px; height: 43px; display: grid; place-items: center; color: var(--blue); border-radius: 50%; background: #edf0ff; font: 600 19px/1 "Space Grotesk", sans-serif; }
.kernel-card h3 { font-size: 23px; letter-spacing: -.025em; }
.kernel-card > p { color: var(--muted); line-height: 1.65; font-size: 14px; }
.kernel-card small { margin-top: auto; color: var(--ink); font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .08em; }
.build-card .card-icon { color: #487c0f; background: #effbd9; }
.parent-promise { margin-top: 42px; display: grid; grid-template-columns: 1.15fr repeat(3, 1fr); gap: 0; border-radius: 16px; background: var(--paper); overflow: hidden; }
.parent-promise > * { padding: 25px 28px; border-right: 1px solid var(--line); }
.parent-promise > *:last-child { border: 0; }
.promise-kicker { margin: 0; color: var(--blue); font: 600 12px/1.5 "Space Grotesk", sans-serif; letter-spacing: .12em; text-transform: uppercase; align-self: center; }
.parent-promise div { display: flex; flex-direction: column; gap: 7px; }
.parent-promise strong { font: 600 14px/1.2 "Space Grotesk", sans-serif; }
.parent-promise span { color: var(--muted); font-size: 12px; line-height: 1.4; }

.waitlist { padding: 112px max(40px, calc((100vw - 1440px) / 2)); background: var(--ink); color: #fff; display: grid; grid-template-columns: .86fr 1.14fr; align-items: center; gap: 100px; overflow: hidden; position: relative; }
.waitlist::before { content: ""; position: absolute; width: 520px; height: 520px; left: -220px; top: -260px; border: 1px solid rgba(255,255,255,.08); border-radius: 50%; box-shadow: 0 0 0 70px rgba(255,255,255,.02), 0 0 0 140px rgba(255,255,255,.02); }
.waitlist-copy { position: relative; z-index: 1; }
.eyebrow-light { color: #8fa6ff; }
.waitlist-copy > p:not(.eyebrow) { color: #a9b0bc; max-width: 490px; line-height: 1.7; font-size: 16px; }
.mini-proof { margin-top: 42px; padding-top: 27px; display: flex; align-items: center; gap: 20px; border-top: 1px solid rgba(255,255,255,.13); }
.mini-mark { letter-spacing: 5px; color: #fff; line-height: .85; font-size: 12px; }
.mini-mark b { color: var(--blue); }
.mini-proof p { margin: 0; color: #9198a4; font-size: 12px; line-height: 1.55; }
.mini-proof strong { color: #fff; }
.form-shell { position: relative; z-index: 1; min-height: 575px; background: var(--paper); color: var(--ink); border-radius: var(--radius); box-shadow: 0 30px 80px rgba(0,0,0,.3); padding: 40px; }
.form-heading { display: flex; align-items: baseline; justify-content: space-between; padding-bottom: 24px; margin-bottom: 24px; border-bottom: 1px solid var(--line); }
.form-heading span { font: 600 24px/1 "Space Grotesk", sans-serif; }
.form-heading p { margin: 0; color: var(--muted); font-size: 12px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
label { display: block; margin-bottom: 18px; color: #343a44; font-size: 12px; font-weight: 600; }
label > span { color: #9299a3; font-weight: 400; }
input, select, textarea { width: 100%; margin-top: 8px; border: 1px solid #d6d8d3; border-radius: 9px; background: #fff; color: var(--ink); outline: none; transition: border .2s ease, box-shadow .2s ease; }
input, select { height: 50px; padding: 0 14px; }
textarea { padding: 13px 14px; resize: vertical; min-height: 82px; }
input:focus, select:focus, textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(49,91,255,.1); }
input::placeholder, textarea::placeholder { color: #a5aab1; }
.button-light { width: 100%; color: #fff; background: var(--blue); justify-content: space-between; margin-top: 2px; }
.button-light:hover { background: var(--blue-dark); }
.button-light:disabled { cursor: wait; opacity: .72; transform: none; }
.privacy-note { margin: 12px 0 0; text-align: center; color: #9096a0; font-size: 10px; }
#form-status { min-height: 19px; margin-top: 8px; color: #a22727; text-align: center; font-size: 12px; }
.hp { position: absolute; left: -9999px; }
.success-panel { min-height: 495px; padding: 65px 25px; text-align: center; }
.success-icon { width: 54px; height: 54px; margin: 0 auto 28px; display: grid; place-items: center; color: #fff; background: var(--blue); border-radius: 50%; font-size: 23px; box-shadow: 0 0 0 10px rgba(49,91,255,.1); }
.success-overline { color: var(--blue); text-transform: uppercase; font: 600 11px/1 "Space Grotesk", sans-serif; letter-spacing: .18em; }
.success-panel h3 { font-size: 48px; line-height: 1.02; letter-spacing: -.04em; margin: 22px 0; }
.success-panel > p:not(.success-overline) { max-width: 380px; margin: 0 auto 30px; color: var(--muted); line-height: 1.6; }
.reset-link { border: 0; padding: 9px 0; border-bottom: 1px solid var(--ink); background: none; color: var(--ink); cursor: pointer; font-weight: 600; }

footer { min-height: 140px; padding: 0 max(40px, calc((100vw - 1440px) / 2)); display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 30px; background: var(--paper); }
.brand-footer { transform: scale(.8); transform-origin: left center; }
footer > p { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .13em; }
footer > span { justify-self: end; color: #8d939c; font-size: 11px; }

@media (max-width: 1050px) {
  .site-header, .hero { width: min(100% - 48px, 900px); }
  .hero { grid-template-columns: 1fr; padding-top: 60px; }
  .hero-copy { max-width: 760px; }
  .hero-visual { min-height: 480px; }
  .hero-visual img { height: 500px; }
  .kernel-grid { grid-template-columns: 1fr 1fr; }
  .parent-promise { grid-template-columns: 1fr 1fr; }
  .parent-promise > * { border-bottom: 1px solid var(--line); }
  .waitlist { grid-template-columns: 1fr; gap: 54px; }
  .waitlist-copy { max-width: 740px; }
}

@media (max-width: 700px) {
  .site-header { width: calc(100% - 36px); height: 82px; }
  .brand { gap: 10px; }
  .kernel-mark { width: 31px; height: 31px; gap: 3px; }
  .kernel-mark i { width: 7px; height: 7px; }
  .brand-name strong { font-size: 20px; }
  .brand-name small { font-size: 8px; margin-top: 5px; }
  nav > a:first-child { display: none; }
  nav { gap: 0; }
  .nav-cta { font-size: 12px; padding: 11px 14px; }
  .hero { width: calc(100% - 36px); padding: 54px 0 64px; gap: 30px; }
  h1 { font-size: clamp(52px, 14vw, 70px); }
  .hero-intro { font-size: 15px; line-height: 1.65; }
  .pillars-line { font-size: 10px; letter-spacing: .16em; white-space: nowrap; }
  .pillars-line b { margin: 0 6px; }
  .hero-actions { align-items: stretch; flex-direction: column; gap: 10px; }
  .text-link { align-self: flex-start; margin-left: 3px; }
  .button-primary { width: 100%; justify-content: space-between; }
  .hero-visual { min-height: 365px; }
  .hero-visual img { height: 370px; border-radius: 42% 42% 26% 40%; }
  .code-card { top: 3%; left: -7px; padding: 10px 12px; transform: scale(.85) rotate(-2deg); transform-origin: top left; }
  .orbit { width: 82px; height: 82px; right: -4px; bottom: 0; }
  .orbit::before { inset: 15px; }.orbit::after { inset: 29px; }
  .method { padding: 82px 18px; }
  .section-heading { display: block; margin-bottom: 38px; }
  .section-heading h2, .waitlist h2 { font-size: 44px; }
  .section-heading > p:last-child { margin-top: 25px; font-size: 15px; }
  .kernel-grid { grid-template-columns: 1fr; }
  .kernel-card { min-height: 270px; }
  .card-top { margin-bottom: 42px; }
  .parent-promise { grid-template-columns: 1fr; }
  .parent-promise > * { border-right: 0; }
  .waitlist { padding: 82px 18px; }
  .waitlist-copy > p:not(.eyebrow) { font-size: 15px; }
  .form-shell { min-height: auto; padding: 24px 18px; border-radius: 17px; }
  .form-heading { align-items: flex-start; flex-direction: column; gap: 9px; }
  .field-row { grid-template-columns: 1fr; gap: 0; }
  .success-panel { min-height: 440px; padding: 65px 4px; }
  .success-panel h3 { font-size: 40px; }
  footer { padding: 36px 18px; grid-template-columns: 1fr; gap: 15px; text-align: left; }
  footer > p { margin: 0; }
  footer > span { justify-self: start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}
