@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600&family=Work+Sans:wght@400;500;600&display=swap');

/* --------------------------------------------------------------------------
   Design tokens
   -------------------------------------------------------------------------- */
:root {
  /* Colors */
  --color-bg: #EFF1ED;
  --color-bg-raised: #E4E5DF;
  --color-ink: #20242A;
  --color-stone: #6B7077;
  --color-moss: #57684F;
  --color-hairline: #D8DAD3;

  /* Typography */
  --font-display: 'IBM Plex Mono', monospace;
  --font-body: 'Work Sans', sans-serif;

  /* Type scale */
  --text-hero: clamp(2.5rem, 6vw, 4.5rem);
  --text-section: clamp(1.75rem, 4vw, 2.5rem);
  --text-body: 1.05rem;
  --text-caption: 0.8rem;

  /* Layout */
  --max-width: 1100px;
  --padding-x: clamp(1.25rem, 5vw, 2.5rem);
  --section-padding-y: 3rem;
  --section-padding-y-mobile: 1.5rem;
  --space-content: 2.5rem;
  --tap-target: 44px;
  --radius-button: 8px;
  --radius-bubble: 8px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 4.5rem;
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .features__row:hover {
    background-color: transparent;
  }

  .features__row:hover .features__label {
    color: var(--color-moss);
  }
}

body {
  background-color: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}

a {
  color: var(--color-moss);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   Focus
   -------------------------------------------------------------------------- */
:focus {
  outline: none;
}

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

.btn--primary:focus-visible {
  outline-color: var(--color-bg);
}

.cta .btn--primary:focus-visible {
  outline-color: var(--color-bg);
}

/* --------------------------------------------------------------------------
   Typography utilities
   -------------------------------------------------------------------------- */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.2;
}

h1 {
  font-size: var(--text-hero);
}

h2 {
  font-size: var(--text-section);
}

.caption,
.label {
  font-family: var(--font-display);
  font-size: var(--text-caption);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* --------------------------------------------------------------------------
   Layout
   -------------------------------------------------------------------------- */
header,
main {
  margin-inline: auto;
  max-width: var(--max-width);
  padding-inline: var(--padding-x);
}

main > section + section {
  border-top: 1px solid var(--color-hairline);
}

main > section {
  padding-block: var(--section-padding-y);
}

@media (max-width: 768px) {
  main > section {
    padding-block: var(--section-padding-y-mobile);
  }
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--tap-target);
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: 500;
  line-height: 1.2;
  padding: 0.75rem 1.35rem;
  border: none;
  border-radius: var(--radius-button);
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
}

@media (max-width: 768px) {
  .btn {
    white-space: normal;
    text-align: center;
  }
}

.btn:hover {
  text-decoration: none;
}

.btn--primary {
  background-color: var(--color-moss);
  color: var(--color-bg);
}

.btn--primary:hover {
  background-color: color-mix(in srgb, var(--color-moss) 90%, var(--color-ink));
}

.btn--secondary {
  background: transparent;
  color: var(--color-ink);
  min-height: var(--tap-target);
  padding: 0.75rem 0.5rem;
}

@media (min-width: 769px) {
  .btn--secondary {
    padding-inline: 0;
  }
}

.btn--secondary:hover {
  text-decoration: underline;
}

.btn--with-icon {
  gap: 0.5rem;
}

.btn__icon {
  flex-shrink: 0;
  width: 1.125rem;
  height: 1.125rem;
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
  max-width: none;
  margin-inline: 0;
  padding-inline: 0;
  background-color: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

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

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  max-width: var(--max-width);
  margin-inline: auto;
  padding: 1rem var(--padding-x);
}

.site-header__logo {
  display: inline-flex;
  align-items: center;
  min-height: var(--tap-target);
  flex-shrink: 0;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-ink);
  text-decoration: none;
  text-transform: lowercase;
}

.site-header__logo:hover {
  text-decoration: none;
}

.site-header__nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1.25rem 1.75rem;
}

.site-header__nav a {
  display: inline-flex;
  align-items: center;
  min-height: var(--tap-target);
  padding-block: 0.25rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-ink);
  text-decoration: none;
}

.site-header__nav a:hover {
  color: var(--color-moss);
  text-decoration: none;
}

.site-header__cta {
  flex-shrink: 0;
  font-size: 0.95rem;
  padding: 0.65rem 1.15rem;
}

@media (max-width: 768px) {
  .site-header__inner {
    flex-wrap: wrap;
  }

  .site-header__nav {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    gap: 1rem 1.25rem;
  }

  .site-header__cta {
    margin-left: auto;
  }
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */
.hero {
  display: grid;
  grid-template-columns: 55fr 45fr;
  align-items: center;
  gap: clamp(2rem, 5vw, 4rem);
  padding-top: clamp(1.25rem, 3vw, 2rem);
  padding-bottom: var(--section-padding-y);
  border-top: none;
}

.hero__content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero__eyebrow {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  font-family: var(--font-display);
  font-size: var(--text-caption);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-stone);
}

.hero__eyebrow-dot {
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-moss);
}

.hero h1 {
  font-weight: 600;
  margin-bottom: 1.25rem;
}

.hero__subhead {
  max-width: 52ch;
  margin-bottom: 2rem;
  color: var(--color-stone);
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.5rem;
  margin-bottom: 1.5rem;
}

.hero__trust {
  font-size: 0.85rem;
  color: var(--color-stone);
}

.hero__visual {
  display: flex;
  justify-content: center;
}

@media (min-width: 769px) {
  .hero__visual {
    justify-content: flex-end;
  }
}

@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
    gap: var(--space-content);
    padding-top: 1rem;
    padding-bottom: var(--section-padding-y-mobile);
  }

  .hero__visual {
    margin-top: 0.5rem;
  }
}

#hero-showcase-root {
  width: 100%;
  display: flex;
  justify-content: center;
}

@media (min-width: 769px) {
  #hero-showcase-root {
    justify-content: flex-end;
  }
}

/* --------------------------------------------------------------------------
   Problem
   -------------------------------------------------------------------------- */
.problem h2 {
  font-weight: 600;
  margin-bottom: 1.25rem;
}

.problem__support {
  max-width: 60ch;
  margin-bottom: var(--space-content);
  color: var(--color-stone);
}

.comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--color-hairline);
  border-bottom: 1px solid var(--color-hairline);
}

.comparison__column {
  padding: 1.75rem 0;
}

.comparison__column--left {
  padding-right: clamp(1.25rem, 4vw, 2.5rem);
  border-right: 1px solid var(--color-hairline);
}

.comparison__column--right {
  padding-left: clamp(1.25rem, 4vw, 2.5rem);
}

.comparison__col-title {
  margin-bottom: 1.25rem;
  font-family: var(--font-display);
  font-size: var(--text-caption);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.comparison__column--left .comparison__col-title {
  color: var(--color-stone);
}

.comparison__column--right .comparison__col-title {
  color: var(--color-ink);
}

.comparison__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.comparison__item {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: 1.5;
}

.comparison__column--left .comparison__item {
  color: var(--color-stone);
}

.comparison__column--right .comparison__item {
  color: var(--color-ink);
}

.comparison__mark {
  flex-shrink: 0;
  font-size: 0.75rem;
  line-height: 1.6;
}

.comparison__mark--no {
  color: var(--color-stone);
}

.comparison__mark--yes {
  color: var(--color-moss);
}

.problem__transition {
  margin-top: var(--space-content);
  text-align: center;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-stone);
}

@media (max-width: 768px) {
  .comparison {
    grid-template-columns: 1fr;
  }

  .comparison__column--left {
    padding-right: 0;
    padding-bottom: 1.75rem;
    border-right: none;
    border-bottom: 1px solid var(--color-hairline);
  }

  .comparison__column--right {
    padding-left: 0;
    padding-top: 1.75rem;
  }
}

/* --------------------------------------------------------------------------
   Features
   -------------------------------------------------------------------------- */
.features__heading {
  text-align: center;
  font-weight: 600;
  margin-bottom: var(--space-content);
}

.features__list {
  list-style: none;
  border-top: 1px solid var(--color-hairline);
}

.features__row {
  display: grid;
  grid-template-columns: 120px 1fr;
  align-items: start;
  gap: clamp(1rem, 3vw, 2.5rem);
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--color-hairline);
  transition: background-color 150ms ease;
}

.features__row:hover {
  background-color: var(--color-bg-raised);
}

.features__label {
  flex-shrink: 0;
  width: 120px;
  font-family: var(--font-display);
  font-size: var(--text-caption);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-moss);
  transition: color 150ms ease;
}

.features__row:hover .features__label {
  color: var(--color-ink);
}

.features__title {
  margin-bottom: 0.5rem;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  font-weight: 500;
  line-height: 1.3;
  color: var(--color-ink);
}

.features__body {
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: 1.6;
  color: var(--color-stone);
}

@media (max-width: 768px) {
  .features__row {
    grid-template-columns: 1fr;
    gap: 0.65rem;
  }

  .features__label {
    width: auto;
  }
}

/* --------------------------------------------------------------------------
   How it works
   -------------------------------------------------------------------------- */
.steps__heading {
  text-align: center;
  font-weight: 600;
  margin-bottom: var(--space-content);
}

.steps__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  max-width: 640px;
  margin-inline: auto;
}

.steps__row {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: clamp(1.25rem, 3vw, 2rem);
}

.steps__num {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  font-weight: 400;
  line-height: 1;
  color: var(--color-hairline);
}

.steps__title {
  margin-bottom: 0.4rem;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  font-weight: 500;
  line-height: 1.3;
  color: var(--color-ink);
}

.steps__body {
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: 1.6;
  color: var(--color-stone);
}

@media (max-width: 768px) {
  .steps__row {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
}

/* --------------------------------------------------------------------------
   CTA
   -------------------------------------------------------------------------- */
.cta {
  background-color: var(--color-ink);
  color: var(--color-bg);
  border-top: 1px solid var(--color-hairline);
}

.cta__inner {
  max-width: var(--max-width);
  margin-inline: auto;
  padding: var(--section-padding-y) var(--padding-x);
  text-align: center;
}

.cta__heading {
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--color-bg);
}

.cta__subcopy {
  max-width: 36ch;
  margin-inline: auto;
  margin-bottom: 2rem;
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: 1.6;
  color: var(--color-bg);
}

.cta__buttons {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1rem 1.25rem;
  margin-bottom: 1rem;
}

.cta__microcopy {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: rgba(239, 241, 237, 0.55);
}

@media (max-width: 768px) {
  .cta__inner {
    padding-block: var(--section-padding-y-mobile);
  }
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--color-bg);
  border-top: 1px solid var(--color-hairline);
}

.site-footer__inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2rem;
  max-width: var(--max-width);
  margin-inline: auto;
  padding: var(--section-padding-y-mobile) var(--padding-x);
}

.site-footer__logo {
  margin-bottom: 0.35rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-ink);
  text-transform: lowercase;
}

.site-footer__tagline {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--color-stone);
}

.site-footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.75rem;
}

.site-footer__nav a {
  display: inline-flex;
  align-items: center;
  min-height: var(--tap-target);
  padding-block: 0.25rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-ink);
  text-decoration: none;
}

.site-footer__nav a:hover {
  color: var(--color-moss);
  text-decoration: none;
}

.site-footer__legal {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--padding-x) 1.5rem;
  font-family: var(--font-body);
  font-size: 0.72rem;
  color: var(--color-stone);
  text-align: center;
}

.site-footer__legal a {
  color: inherit;
  text-decoration: underline;
}

@media (max-width: 768px) {
  .site-footer__inner {
    flex-direction: column;
    gap: 1.5rem;
  }
}