:root {
  --bg: #ffffff;
  --bg-tint: #f6f6f6;
  --ink: #0b0b0b;
  --ink-soft: #1a1a1a;
  --muted: #4a4a4a;
  --subtle: #6e6e6e;
  --line: #e2e2e2;
  --line-strong: #cfcfcf;
  --focus: #0b0b0b;
  --max: 1080px;
  --narrow: 720px;
  --pad: clamp(1.25rem, 4vw, 2.5rem);
  --section-y: clamp(4.5rem, 10vw, 7.5rem);
  --font: "Manrope", "Segoe UI", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(0, 0, 0, 0.035), transparent 60%),
    radial-gradient(900px 500px at 0% 20%, rgba(0, 0, 0, 0.025), transparent 55%),
    var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--muted);
}

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  z-index: 100;
  padding: 0.5rem 0.75rem;
  background: var(--ink);
  color: var(--bg);
  text-decoration: none;
}

.skip-link:focus {
  top: 1rem;
}

.wrap {
  width: min(100% - (var(--pad) * 2), var(--max));
  margin-inline: auto;
}

.wrap.narrow {
  width: min(100% - (var(--pad) * 2), var(--narrow));
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.86);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(10px);
  transition: border-color 200ms ease, background 200ms ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 4rem;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  line-height: 0;
}

.wordmark:hover {
  color: var(--ink);
  opacity: 0.72;
}

.logo {
  display: block;
  width: auto;
  height: auto;
}

.logo-header {
  width: 6.5rem;
  height: auto;
}

.logo-hero {
  width: min(100%, 22rem);
  height: auto;
}

.logo-closing {
  width: min(100%, 14rem);
  height: auto;
}

.logo-footer {
  width: 5.5rem;
  height: auto;
}

.nav {
  display: none;
  gap: 1.25rem;
  font-size: 0.875rem;
  color: var(--muted);
}

.nav a {
  text-decoration: none;
}

.nav a:hover {
  color: var(--ink);
}

@media (min-width: 860px) {
  .nav {
    display: flex;
  }
}

.hero {
  position: relative;
  min-height: min(92vh, 820px);
  display: grid;
  align-items: end;
  padding: clamp(5rem, 12vh, 8rem) 0 clamp(3.5rem, 8vh, 5.5rem);
  overflow: hidden;
}

.hero-plane {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0) 35%, rgba(255, 255, 255, 0.92) 100%),
    repeating-linear-gradient(
      90deg,
      transparent 0,
      transparent 79px,
      rgba(0, 0, 0, 0.035) 79px,
      rgba(0, 0, 0, 0.035) 80px
    ),
    repeating-linear-gradient(
      0deg,
      transparent 0,
      transparent 79px,
      rgba(0, 0, 0, 0.03) 79px,
      rgba(0, 0, 0, 0.03) 80px
    );
  mask-image: linear-gradient(180deg, black 40%, transparent 100%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 820px;
}

.brand {
  margin: 0 0 1.5rem;
  line-height: 0;
}

.hero h1 {
  margin: 0 0 1.25rem;
  max-width: 18ch;
  font-size: clamp(1.5rem, 3.4vw, 2.15rem);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--ink-soft);
}

.lede {
  margin: 0 0 2rem;
  max-width: 42ch;
  font-size: 1.125rem;
  color: var(--muted);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
}

.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0.7rem 1.15rem;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--bg);
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  transition: transform 200ms var(--ease), background 200ms ease, color 200ms ease;
}

.cta:hover {
  color: var(--bg);
  background: var(--ink-soft);
  transform: translateY(-1px);
}

.cta-quiet {
  background: transparent;
  color: var(--ink);
}

.cta-quiet:hover {
  background: var(--bg-tint);
  color: var(--ink);
}

.section {
  padding: var(--section-y) 0;
}

.section-tint {
  background: linear-gradient(180deg, var(--bg-tint), #fafafa);
  border-block: 1px solid var(--line);
}

.section-head {
  margin-bottom: clamp(1.75rem, 4vw, 2.75rem);
  max-width: 40rem;
}

.eyebrow {
  margin: 0 0 0.75rem;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--subtle);
}

h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.65rem, 3.2vw, 2.35rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.025em;
}

h3 {
  margin: 0 0 0.4rem;
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.015em;
}

.body {
  margin: 0;
  color: var(--muted);
  max-width: 58ch;
}

.plain-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.85rem;
  max-width: 52rem;
}

.plain-list li {
  position: relative;
  padding-left: 1.35rem;
  color: var(--ink-soft);
}

.plain-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 0.45rem;
  height: 1px;
  background: var(--ink);
}

.model-pair {
  display: grid;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

@media (min-width: 780px) {
  .model-pair {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
}

.model {
  padding-top: 1rem;
  border-top: 1px solid var(--line-strong);
}

.model-new {
  border-top-color: var(--ink);
}

.model-label {
  margin: 0 0 0.65rem;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--subtle);
}

.model-text {
  margin: 0;
  font-size: 1.125rem;
  line-height: 1.55;
  color: var(--ink-soft);
}

.shift-close {
  max-width: 62ch;
}

.core-question {
  margin: 0;
  padding: 1.75rem 0 0;
  border-top: 1px solid var(--line-strong);
  max-width: 40rem;
}

.core-question > p:first-child {
  margin: 0 0 0.75rem;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--subtle);
}

.quote {
  margin: 0;
  font-size: clamp(1.35rem, 2.6vw, 1.85rem);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.02em;
}

.quote-follow {
  margin: 1.25rem 0 0;
  font-size: 1.0625rem;
  line-height: 1.55;
  color: var(--muted);
  max-width: 40ch;
}

.component-list {
  margin: 0;
  display: grid;
  gap: 0;
}

.component {
  display: grid;
  gap: 0.35rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--line);
}

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

@media (min-width: 760px) {
  .component {
    grid-template-columns: minmax(12rem, 18rem) 1fr;
    gap: 2rem;
    align-items: baseline;
  }
}

.component dt {
  margin: 0;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.component dd {
  margin: 0;
  color: var(--muted);
}

.pillars {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
}

.pillars li {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1rem;
  padding: 1.35rem 0;
  border-top: 1px solid var(--line);
}

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

.pillar-num {
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--subtle);
  padding-top: 0.2rem;
}

.pillars p {
  margin: 0;
  color: var(--muted);
  max-width: 58ch;
}

.mantra {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line-strong);
}

.mantra-label {
  margin: 0 0 0.75rem;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--subtle);
}

.mantra-text {
  margin: 0;
  font-size: clamp(1.2rem, 2.2vw, 1.45rem);
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: -0.015em;
  color: var(--ink-soft);
}

.closing {
  text-align: left;
  padding-bottom: clamp(5rem, 12vw, 8rem);
}

.closing-brand {
  margin: 0 0 1.25rem;
  line-height: 0;
}

.closing-line {
  margin: 0 0 1.25rem;
  font-size: clamp(1.2rem, 2.4vw, 1.5rem);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.015em;
  max-width: 28ch;
}

.closing-note {
  margin: 0;
  color: var(--muted);
  max-width: 40ch;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 1.75rem 0 2.25rem;
}

.footer-inner {
  display: grid;
  gap: 0.5rem;
}

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition:
    opacity 700ms var(--ease),
    transform 700ms var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

.reveal-delay-1 {
  transition-delay: 80ms;
}

.reveal-delay-2 {
  transition-delay: 160ms;
}

.reveal-delay-3 {
  transition-delay: 240ms;
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .cta:hover {
    transform: none;
  }
}