/* ==========================================================================
   Piekarski Search — tokens, base, components
   Art direction: ink on warm paper. Swiss precision, operator restraint.
   One accent (deep green = your side of the table), one negative (brick = theirs).
   ========================================================================== */

:root,
[data-theme='light'] {
  /* Type scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Surfaces — warm paper */
  --color-bg: #faf9f6;
  --color-surface: #ffffff;
  --color-surface-offset: #f2f0ea;
  --color-surface-offset-2: #eae7df;
  --color-divider: #e4e1d9;
  --color-border: #d8d4ca;

  /* Ink */
  --color-text: #15140f;
  --color-text-muted: #67645b;
  --color-text-faint: #a5a199;
  --color-text-inverse: #faf9f6;

  /* Accent — deep signal green */
  --color-primary: #145c3c;
  --color-primary-hover: #0e452d;
  --color-primary-soft: #e6efe9;

  /* Negative — muted brick, category cost only */
  --color-negative: #9c3327;
  --color-negative-soft: #f5e9e6;

  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-full: 9999px;

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  --shadow-sm: 0 1px 2px oklch(0.2 0.01 80 / 0.05);
  --shadow-md: 0 4px 14px oklch(0.2 0.01 80 / 0.07);

  --content-narrow: 640px;
  --content-default: 1080px;

  --font-display: 'Cabinet Grotesk', 'Helvetica Neue', sans-serif;
  --font-body: 'Switzer', 'Helvetica Neue', sans-serif;
}

[data-theme='dark'] {
  --color-bg: #111110;
  --color-surface: #191917;
  --color-surface-offset: #1b1b19;
  --color-surface-offset-2: #232320;
  --color-divider: #262623;
  --color-border: #383834;
  --color-text: #e6e4dd;
  --color-text-muted: #8f8c84;
  --color-text-faint: #5f5d57;
  --color-text-inverse: #15140f;
  --color-primary: #4fa87a;
  --color-primary-hover: #6bbd92;
  --color-primary-soft: #1b2a22;
  --color-negative: #d4776a;
  --color-negative-soft: #2b1f1d;
  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.25);
  --shadow-md: 0 4px 14px oklch(0 0 0 / 0.35);
}

/* ---------- base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-bg);
}

img,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}
ul[role='list'],
ol[role='list'] {
  list-style: none;
}
button {
  cursor: pointer;
  background: none;
  border: none;
  font: inherit;
  color: inherit;
}
table {
  border-collapse: collapse;
  width: 100%;
}
a {
  color: inherit;
}

h1,
h2,
h3 {
  text-wrap: balance;
  line-height: 1.08;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.022em;
}

p,
li {
  text-wrap: pretty;
}

::selection {
  background: var(--color-primary-soft);
  color: var(--color-text);
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

a,
button {
  transition:
    color var(--transition-interactive),
    background var(--transition-interactive),
    border-color var(--transition-interactive),
    opacity var(--transition-interactive);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

.skip {
  position: absolute;
  left: -999px;
}
.skip:focus {
  left: var(--space-4);
  top: var(--space-4);
  z-index: 100;
  background: var(--color-text);
  color: var(--color-text-inverse);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
}

/* ---------- layout ---------- */
.shell {
  width: 100%;
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.section {
  padding-block: clamp(var(--space-16), 9vw, var(--space-32));
  border-top: 1px solid var(--color-divider);
}
.section--offset {
  background: var(--color-surface-offset);
}

.eyebrow {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
}

.h-section {
  font-size: var(--text-xl);
  max-width: 22ch;
}
.h-section--wide {
  max-width: 30ch;
}
.h-sub {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: var(--text-lg);
  letter-spacing: -0.01em;
  margin-bottom: var(--space-5);
}

.section__lede {
  max-width: 62ch;
  margin-top: var(--space-6);
  color: var(--color-text-muted);
}
.section__lede strong {
  color: var(--color-text);
  font-weight: 600;
}

/* ---------- header ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 200ms ease;
}
.header.is-scrolled {
  border-bottom-color: var(--color-divider);
}
.header__inner {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  min-height: 4.25rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  flex-shrink: 0;
}
.brand__mark {
  width: 1.5rem;
  height: 1.5rem;
  color: var(--color-text);
}
.brand__text {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-sm);
  letter-spacing: -0.01em;
  word-spacing: 0.14em;
  white-space: nowrap;
}

.nav {
  display: flex;
  gap: var(--space-6);
  margin-inline-start: auto;
}
.nav a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  white-space: nowrap;
}
.nav a:hover {
  color: var(--color-text);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.icon-btn {
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
}
.icon-btn:hover {
  color: var(--color-text);
  background: var(--color-surface-offset-2);
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  background: var(--color-text);
  color: var(--color-text-inverse);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-md);
  white-space: nowrap;
}
.btn:hover {
  background: var(--color-primary);
}
.btn--sm {
  padding: var(--space-2) var(--space-4);
}
.btn--lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}
.btn--invert {
  background: var(--color-bg);
  color: var(--color-text);
}
.btn--invert:hover {
  background: var(--color-surface-offset);
  color: var(--color-text);
}

.link-arrow {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  text-decoration: none;
}
.link-arrow:hover {
  color: var(--color-primary);
}

/* ---------- hero ---------- */
.hero {
  padding-block: clamp(var(--space-16), 11vw, var(--space-32)) clamp(var(--space-12), 7vw, var(--space-20));
}
.hero__title {
  font-size: var(--text-2xl);
  font-weight: 800;
  max-width: 19ch;
  letter-spacing: -0.03em;
}
.hero__lede {
  margin-top: var(--space-6);
  max-width: 46ch;
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  line-height: 1.45;
}
.hero__cta {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  flex-wrap: wrap;
  margin-top: var(--space-10);
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-6);
  margin-top: clamp(var(--space-16), 8vw, var(--space-24));
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
}
.stat dt {
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.stat dd {
  margin-top: var(--space-2);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-xl);
  letter-spacing: -0.03em;
  line-height: 1;
}
.stat__unit {
  font-size: 0.5em;
  font-weight: 700;
  color: var(--color-text-muted);
  margin-left: 0.1em;
}

/* ---------- problem ---------- */
.grid-2 {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(var(--space-8), 6vw, var(--space-20));
  align-items: start;
}
.col-label .h-section {
  max-width: 14ch;
}
.prose p {
  max-width: 60ch;
}
.prose p + p {
  margin-top: var(--space-5);
}
.prose .pull {
  margin-top: var(--space-8);
  padding-left: var(--space-6);
  border-left: 3px solid var(--color-primary);
  font-size: var(--text-lg);
  line-height: 1.45;
  font-weight: 500;
  color: var(--color-text);
}

/* ---------- byline ---------- */
.byline {
  display: flex;
  align-items: flex-start;
  gap: clamp(var(--space-6), 3vw, var(--space-10));
  margin-top: clamp(var(--space-10), 5vw, var(--space-16));
  padding-bottom: clamp(var(--space-10), 5vw, var(--space-16));
  border-bottom: 1px solid var(--color-border);
}
.byline__photo {
  width: 10.75rem;
  height: 10.75rem;
  flex-shrink: 0;
  object-fit: cover;
  object-position: 50% 22%;
  border-radius: var(--radius-lg);
  background: var(--color-surface-offset-2);
  filter: grayscale(1) contrast(1.04);
  transition: filter 400ms ease;
}
.byline:hover .byline__photo {
  filter: grayscale(0) contrast(1);
}
.byline__body {
  max-width: 58ch;
}
.byline__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-lg);
  letter-spacing: -0.02em;
  line-height: 1.15;
}
.byline__role {
  margin-top: var(--space-1);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  font-weight: 600;
}
.byline__text {
  margin-top: var(--space-5);
  color: var(--color-text-muted);
}
.byline + .cards {
  margin-top: clamp(var(--space-8), 4vw, var(--space-12));
}

/* ---------- proof cards ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: var(--space-4);
  margin-top: clamp(var(--space-10), 5vw, var(--space-16));
}
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}
.card__num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-lg);
  letter-spacing: -0.02em;
  color: var(--color-primary);
  line-height: 1.1;
}
.card__title {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 700;
  margin: var(--space-2) 0 var(--space-3);
  letter-spacing: 0;
}
.card p:last-child {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.screen {
  margin-top: clamp(var(--space-12), 6vw, var(--space-20));
  max-width: 68ch;
}
.checks {
  display: grid;
  gap: var(--space-3);
}
.checks li {
  position: relative;
  padding-left: var(--space-8);
  color: var(--color-text-muted);
}
.checks li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 1.125rem;
  height: 1px;
  background: var(--color-primary);
}

/* ---------- process ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-8) var(--space-6);
  margin-top: clamp(var(--space-10), 5vw, var(--space-16));
  counter-reset: none;
}
.step {
  padding-top: var(--space-5);
  border-top: 2px solid var(--color-text);
}
.step__n {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-sm);
  color: var(--color-text-faint);
  letter-spacing: 0.06em;
}
.step__title {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 700;
  letter-spacing: 0;
  margin: var(--space-3) 0 var(--space-3);
}
.step p:last-child {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ---------- pricing table ---------- */
.table-hint {
  display: none;
  margin-top: var(--space-8);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-faint);
}

.table-wrap {
  margin-top: clamp(var(--space-10), 5vw, var(--space-16));
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}
.fees {
  min-width: 38rem;
  font-size: var(--text-sm);
}
.fees th,
.fees td {
  text-align: left;
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-divider);
  vertical-align: top;
}
.fees tbody tr:last-child th,
.fees tbody tr:last-child td {
  border-bottom: none;
}
.fees thead th {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--color-text-muted);
  background: var(--color-surface-offset);
}
.fees thead th.is-mine {
  color: var(--color-primary);
}
.fees tbody th {
  font-weight: 600;
  color: var(--color-text);
  width: 34%;
}
.fees .neg {
  color: var(--color-negative);
}
.fees td.is-mine {
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-weight: 700;
}
[data-theme='dark'] .fees td.is-mine {
  color: var(--color-primary-hover);
}

/* ---------- fee cards ---------- */
.fee-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-6);
}
.fee {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  background: var(--color-surface);
}
.fee__label {
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  font-weight: 600;
}
.fee__figure {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-xl);
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-top: var(--space-3);
}
.fee__unit {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-top: var(--space-1);
}
.fee__note {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-3);
}

/* ---------- terms ---------- */
.terms {
  margin-top: clamp(var(--space-12), 6vw, var(--space-20));
}
.terms__list {
  display: grid;
  gap: var(--space-4);
  max-width: 72ch;
}
.terms__list li {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding-left: var(--space-4);
  border-left: 1px solid var(--color-border);
}
.terms__list span {
  display: block;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: var(--text-xs);
  margin-bottom: var(--space-1);
}

.founding-note {
  margin-top: var(--space-10);
  padding: var(--space-5) var(--space-6);
  background: var(--color-primary-soft);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  color: var(--color-text);
  max-width: 72ch;
}
.founding-note strong {
  color: var(--color-primary);
}
[data-theme='dark'] .founding-note strong {
  color: var(--color-primary-hover);
}

/* ---------- cta ---------- */
.cta {
  background: var(--color-text);
  color: var(--color-text-inverse);
  padding-block: clamp(var(--space-16), 9vw, var(--space-32));
}
.cta__inner {
  text-align: center;
}
.cta__title {
  font-size: var(--text-xl);
  max-width: 24ch;
  margin-inline: auto;
}
.cta__lede {
  margin: var(--space-5) auto 0;
  max-width: 52ch;
  color: color-mix(in oklab, var(--color-text-inverse) 68%, transparent);
}
.cta .btn {
  margin-top: var(--space-8);
}
.cta__fine {
  margin-top: var(--space-5);
  font-size: var(--text-sm);
  color: color-mix(in oklab, var(--color-text-inverse) 52%, transparent);
}

[data-theme='dark'] .cta {
  background: var(--color-surface-offset-2);
  color: var(--color-text);
  border-top: 1px solid var(--color-border);
}
[data-theme='dark'] .cta__lede {
  color: var(--color-text-muted);
}
[data-theme='dark'] .cta__fine {
  color: var(--color-text-faint);
}
[data-theme='dark'] .cta .btn--invert {
  background: var(--color-text);
  color: var(--color-text-inverse);
}
[data-theme='dark'] .cta .btn--invert:hover {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

/* ---------- footer ---------- */
.footer {
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-12) var(--space-8);
}
.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-8);
  flex-wrap: wrap;
}
.footer__brand {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
}
.footer__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-sm);
  word-spacing: 0.14em;
}
.footer__meta {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}
.footer__nav {
  display: flex;
  gap: var(--space-5);
  flex-wrap: wrap;
}
.footer__nav a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
}
.footer__nav a:hover {
  color: var(--color-text);
}
.footer__legal {
  margin-top: var(--space-10);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-divider);
}
.footer__legal p {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* ---------- reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition:
    opacity 600ms cubic-bezier(0.16, 1, 0.3, 1),
    transform 600ms cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.is-in {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .nav {
    display: none;
  }
  .grid-2 {
    grid-template-columns: 1fr;
  }
  .col-label .h-section {
    max-width: 20ch;
  }
  .stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-8) var(--space-6);
  }
  .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .byline {
    gap: var(--space-6);
  }
  .byline__photo {
    width: 8rem;
    height: 8rem;
  }
}

@media (max-width: 1100px) and (min-width: 901px) {
  .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .shell {
    padding-inline: var(--space-5);
  }
  .hero__title {
    max-width: 100%;
  }
  .hero__cta {
    gap: var(--space-4);
  }
  .hero__cta .btn,
  .cta .btn {
    width: 100%;
  }
  .link-arrow {
    width: 100%;
  }
  .header__actions .btn {
    display: none;
  }
  .table-hint {
    display: block;
  }
  .table-wrap {
    margin-top: var(--space-3);
  }
  .footer__inner {
    flex-direction: column;
  }
  .steps {
    grid-template-columns: 1fr;
  }
  .byline {
    flex-direction: column;
    gap: var(--space-6);
  }
  .byline__photo {
    width: 7rem;
    height: 7rem;
  }
}