@import url("https://fonts.googleapis.com/css2?family=Big+Shoulders+Display:wght@600;700;800;900&family=Public+Sans:wght@400;500;600;700&display=swap");

:root {
  --space-2xs: 0.25rem;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --radius-sm: 0.75rem;
  --radius-md: 1.25rem;
  --radius-lg: 1.75rem;
  --page-bg: oklch(96% 0.01 252);
  --page-alt: oklch(92% 0.016 252);
  --surface: oklch(98% 0.005 252);
  --surface-strong: oklch(90% 0.018 252);
  --ink: oklch(24% 0.024 254);
  --muted: oklch(46% 0.016 252);
  --line: oklch(80% 0.014 252);
  --line-strong: oklch(63% 0.03 252);
  --brand: oklch(42% 0.11 255);
  --brand-strong: oklch(34% 0.085 255);
  --brand-soft: oklch(89% 0.028 252);
  --shadow-sm: 0 12px 30px rgba(20, 31, 49, 0.08);
  --shadow-lg: 0 24px 60px rgba(20, 31, 49, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top, rgba(255, 255, 255, 0.65), transparent 30%),
    linear-gradient(180deg, var(--page-bg), var(--page-alt));
  color: var(--ink);
  font-family: "Public Sans", sans-serif;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(61, 86, 122, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(61, 86, 122, 0.03) 1px, transparent 1px);
  background-size: 100% 2.75rem, 2.75rem 100%;
  opacity: 0.4;
  mix-blend-mode: multiply;
}

.page-frame {
  position: relative;
  max-width: 78rem;
  margin: 0 auto;
  padding: max(var(--space-lg), env(safe-area-inset-top)) var(--space-md)
    max(var(--space-3xl), env(safe-area-inset-bottom));
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: var(--space-lg);
  padding-bottom: var(--space-xl);
}

.brand-kicker,
.section-kicker,
.strip-kicker,
.slip-kicker,
.proof-label,
.system-kicker,
.sheet-label {
  margin: 0;
  color: var(--brand);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.brand-subtitle {
  margin: var(--space-xs) 0 0;
  color: var(--muted);
  font-size: 0.95rem;
  max-width: 26rem;
}

.header-link {
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
  padding: 0.85rem 1.2rem;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.58);
  box-shadow: var(--shadow-sm);
}

.site-main {
  display: grid;
  gap: var(--space-xl);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(21rem, 0.88fr);
  gap: var(--space-xl);
  align-items: start;
  padding: clamp(1.5rem, 2vw + 1rem, 2.75rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.64), transparent 28%),
    var(--surface);
  box-shadow: var(--shadow-lg);
}

.hero-copy {
  display: grid;
  gap: var(--space-lg);
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Big Shoulders Display", sans-serif;
  font-weight: 800;
  line-height: 0.9;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

h1 {
  max-width: 10ch;
  font-size: clamp(3.5rem, 9vw, 6.75rem);
  margin-left: -0.03em;
}

h2 {
  font-size: clamp(2.2rem, 4vw, 3.5rem);
}

h3 {
  font-size: clamp(1.5rem, 2.4vw, 2rem);
}

.hero-lede,
.section-heading p,
.issue-item p:last-child,
.process-list p,
.system-note p:last-child,
.fit-list,
.sheet-grid ul,
.slip-copy,
.form-status {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.6;
}

.hero-lede {
  max-width: 39rem;
  margin: 0;
}

.button-row,
.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.button {
  appearance: none;
  border: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.25rem;
  padding: 0 1.3rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

.button-primary {
  background: var(--brand);
  color: oklch(98% 0.004 252);
  box-shadow: 0 16px 28px rgba(31, 56, 96, 0.24);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.6);
  color: var(--ink);
  border: 1px solid var(--line-strong);
}

.button:focus-visible,
.header-link:focus-visible,
.field input:focus-visible,
.field select:focus-visible,
.field textarea:focus-visible {
  outline: 3px solid oklch(76% 0.08 245);
  outline-offset: 3px;
}

.hero-points,
.fit-list,
.sheet-grid ul {
  margin: 0;
  padding-left: 1.15rem;
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs) var(--space-xl);
  padding: 0;
  list-style: none;
}

.hero-points li {
  position: relative;
  padding-left: 1rem;
  font-weight: 600;
}

.hero-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.48rem;
  height: 0.48rem;
  border-radius: 50%;
  background: var(--brand);
}

.hero-proof {
  display: grid;
  gap: var(--space-xs);
  max-width: 34rem;
  padding-top: var(--space-md);
  border-top: 1px solid var(--line);
}

.hero-proof p {
  margin: 0;
  max-width: 34rem;
  font-size: 0.98rem;
  line-height: 1.6;
}

.proof-note {
  display: inline-flex;
  width: fit-content;
  padding: 0.45rem 0.8rem;
  border: 1px solid color-mix(in oklab, var(--brand) 24%, var(--line));
  border-radius: 999px;
  background: color-mix(in oklab, var(--brand-soft) 68%, white);
  color: var(--brand-strong);
  font-size: 0.88rem;
  font-weight: 600;
  line-height: 1.35;
}

.walkthrough-slip {
  position: relative;
  display: grid;
  gap: var(--space-md);
  padding: 1.35rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.86), rgba(255, 255, 255, 0.92)),
    var(--surface);
  box-shadow: var(--shadow-lg);
  transform: rotate(-1.1deg);
}

.walkthrough-slip::before,
.walkthrough-slip::after {
  content: "";
  position: absolute;
  width: 5.5rem;
  height: 1.2rem;
  background: rgba(47, 74, 115, 0.12);
  border: 1px solid rgba(47, 74, 115, 0.08);
}

.walkthrough-slip::before {
  top: -0.45rem;
  left: 1.4rem;
  transform: rotate(-7deg);
}

.walkthrough-slip::after {
  top: -0.35rem;
  right: 1.2rem;
  transform: rotate(8deg);
}

.slip-copy,
.section-heading p,
.form-status {
  margin: 0;
}

.lead-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-sm);
}

.field {
  display: grid;
  gap: 0.45rem;
}

.field span {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 3.15rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: oklch(99% 0.004 252);
  color: var(--ink);
  padding: 0.95rem 1rem;
  font: inherit;
}

.field textarea {
  min-height: 7rem;
  resize: vertical;
}

.field-full,
.form-actions {
  grid-column: 1 / -1;
}

.form-actions {
  align-items: center;
}

.quick-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  background: var(--line);
  box-shadow: var(--shadow-sm);
}

.quick-strip article {
  display: grid;
  gap: var(--space-xs);
  padding: var(--space-lg);
  background: oklch(24% 0.028 255);
  color: oklch(97% 0.006 252);
}

.quick-strip h2,
.quick-strip .strip-kicker {
  color: inherit;
}

.quick-strip .strip-kicker {
  opacity: 0.82;
}

.section-block {
  display: grid;
  gap: var(--space-lg);
  padding: var(--space-xl) 0 0;
}

.section-heading {
  display: grid;
  gap: var(--space-sm);
  max-width: 44rem;
}

.issue-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
  gap: var(--space-lg);
}

.issue-item {
  display: grid;
  gap: var(--space-sm);
  padding: var(--space-lg) 0 0;
  border-top: 1px solid var(--line-strong);
}

.issue-number,
.process-number {
  margin: 0;
  font-family: "Big Shoulders Display", sans-serif;
  font-size: 3rem;
  font-weight: 800;
  line-height: 0.9;
  color: var(--brand);
  font-variant-numeric: tabular-nums;
}

.process-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(18rem, 0.8fr);
  gap: var(--space-xl);
  align-items: start;
}

.process-list {
  display: grid;
  gap: var(--space-lg);
  list-style: none;
  margin: 0;
  padding: 0;
}

.process-list li {
  display: grid;
  grid-template-columns: 4rem 1fr;
  gap: var(--space-md);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--line);
}

.system-note {
  display: grid;
  gap: var(--space-sm);
  padding: var(--space-lg);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--brand-soft);
}

.fit-block {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-xl);
}

.fit-column {
  display: grid;
  gap: var(--space-sm);
  padding-top: var(--space-md);
  border-top: 1px solid var(--line-strong);
}

.fit-column-alt {
  color: oklch(97% 0.004 252);
  padding: var(--space-lg);
  border: 0;
  border-radius: var(--radius-md);
  background: oklch(26% 0.026 255);
}

.fit-column-alt .section-kicker,
.fit-column-alt h2,
.fit-column-alt li {
  color: inherit;
}

.reference-sheet {
  display: grid;
  gap: var(--space-lg);
  padding: clamp(1.5rem, 2vw + 1rem, 2.5rem);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.74), transparent 35%),
    var(--surface-strong);
  box-shadow: var(--shadow-lg);
}

.sheet-heading {
  display: grid;
  gap: var(--space-sm);
}

.sheet-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-lg);
}

.sheet-grid > div {
  display: grid;
  gap: var(--space-sm);
  padding-top: var(--space-md);
  border-top: 1px solid var(--line-strong);
}

.sheet-grid ul {
  display: grid;
  gap: var(--space-xs);
}

@media (hover: hover) {
  .button:hover,
  .header-link:hover {
    transform: translateY(-2px);
  }

  .walkthrough-slip:hover {
    transform: rotate(-0.35deg) translateY(-2px);
  }
}

@media (pointer: coarse) {
  .button,
  .header-link {
    min-height: 3.5rem;
  }
}

@media (max-width: 64rem) {
  .hero,
  .process-layout,
  .fit-block,
  .sheet-grid,
  .quick-strip {
    grid-template-columns: 1fr;
  }

  .walkthrough-slip {
    transform: none;
  }

  h1 {
    max-width: 100%;
  }
}

@media (max-width: 42rem) {
  .page-frame {
    padding-left: 0.85rem;
    padding-right: 0.85rem;
  }

  .site-header,
  .button-row,
  .form-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .lead-form,
  .issue-grid {
    grid-template-columns: 1fr;
  }

  .hero,
  .reference-sheet {
    padding: 1.2rem;
  }

  .process-list li {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }

  .button,
  .header-link {
    width: 100%;
  }
}

@media print {
  body {
    background: white;
  }

  body::before,
  .button-row,
  .header-link,
  .form-actions {
    display: none !important;
  }

  .page-frame {
    max-width: none;
    padding: 0;
  }

  .hero,
  .quick-strip,
  .reference-sheet {
    box-shadow: none;
  }

  .hero,
  .quick-strip,
  .process-layout,
  .fit-block,
  .sheet-grid {
    grid-template-columns: 1fr;
  }
}