:root {
  --lime: #eaff48;
  --orange: #ff7342;
  --black: #171914;
  --white: #f6f7ec;
  --hero: var(--lime);
  --hero-text: var(--black);
  --stage: var(--black);
  --page: var(--white);
  --ink: var(--black);
  --muted: #54574d;
  --line: color-mix(in srgb, var(--ink) 22%, transparent);
  --gutter: clamp(1rem, 4vw, 4rem);
  --section-space: clamp(5rem, 11vw, 10rem);
  --max-width: 88rem;
  color-scheme: light;
  scroll-behavior: smooth;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", Arial, sans-serif;
  font-synthesis: none;
}

:root[data-theme="corner"] { --hero:#F6F7EC; --hero-text:#171914; --stage:#EAFF48; }

* { box-sizing: border-box; }

html { background: var(--page); }

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--page);
  color: var(--ink);
  font-size: 1rem;
  line-height: 1.55;
}

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

a { color: inherit; text-underline-offset: 0.22em; }

button,
a { -webkit-tap-highlight-color: transparent; }

button { font: inherit; }

:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 20;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.75rem 1rem;
  transform: translateY(-150%);
  background: var(--white);
  color: var(--black);
  font-weight: 800;
}

.skip-link:focus { transform: translateY(0); }

.site-header {
  position: relative;
  z-index: 10;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1.5rem;
  min-height: 5.5rem;
  padding: 0.75rem var(--gutter);
  background: var(--hero);
  color: var(--hero-text);
  border-bottom: 1px solid color-mix(in srgb, currentColor 24%, transparent);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  min-height: 44px;
  font-weight: 850;
  text-decoration: none;
  letter-spacing: -0.025em;
}

.brand img {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.62rem;
}

nav {
  display: flex;
  justify-content: flex-end;
  gap: clamp(0.8rem, 2.4vw, 2.4rem);
}

.site-header .language-switcher { grid-column: 3; grid-row: 1; }

nav a,
.footer-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 0.84rem;
  font-weight: 750;
  text-decoration: none;
  /* Keep each label on one line. Without this the mobile header's flex items
     shrink and break mid-label ("Your / data", "Contact / Us") instead of
     letting the nav use the horizontal scroll it already declares. */
  white-space: nowrap;
}

nav a { flex: 0 0 auto; }

nav a:hover,
.footer-links a:hover { text-decoration: underline; }

.button-group {
  display: flex;
  padding: 0.18rem;
  border: 1px solid currentColor;
  border-radius: 999px;
}

.button-group button {
  min-width: 44px;
  min-height: 44px;
  padding: 0.5rem 0.68rem;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: inherit;
  cursor: pointer;
  font-size: 0.72rem;
  font-weight: 800;
}

.button-group button[aria-pressed="true"] {
  background: var(--hero-text);
  color: var(--hero);
}

.language-switcher button[aria-pressed="true"] {
  text-decoration: underline;
  text-decoration-thickness: 3px;
  text-underline-offset: 0.2em;
}

section { scroll-margin-top: 1rem; }

.hero {
  position: relative;
  isolation: isolate;
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(16rem, 0.88fr);
  align-items: center;
  min-height: clamp(40rem, 82vh, 57rem);
  padding: clamp(4rem, 8vw, 8rem) var(--gutter);
  overflow: hidden;
  background: var(--hero);
  color: var(--hero-text);
}

.hero-copy { z-index: 2; max-width: 56rem; }

h1,
h2,
h3,
p { margin-top: 0; }

h1,
h2,
h3 { text-wrap: balance; }

h1 {
  max-width: 9.2ch;
  margin-bottom: 1.5rem;
  font-size: clamp(4rem, 9.5vw, 9.5rem);
  font-weight: 900;
  line-height: 0.87;
  letter-spacing: -0.078em;
}

.hero-subtitle {
  max-width: 41rem;
  margin-bottom: 2rem;
  font-size: clamp(1.2rem, 2vw, 1.65rem);
  line-height: 1.35;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}

.availability {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  margin: 0;
  text-decoration: none;
}

.availability img {
  width: auto;
  height: 48px;
}

.web-app-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  margin: 0;
  padding: 0.4rem 1rem;
  border: 2px solid currentColor;
  border-radius: 8px;
  font-weight: 750;
  text-decoration: none;
}

.hero-mark {
  position: relative;
  z-index: 1;
  justify-self: end;
  width: min(36vw, 33rem);
}

.hero-mark img {
  width: 100%;
  height: auto;
  border-radius: 22.5%;
  box-shadow: 0 2rem 5rem color-mix(in srgb, var(--black) 30%, transparent);
  transform: rotate(-2deg);
  transition: transform 240ms ease;
}

.hero::before {
  content: "";
  position: absolute;
  inset: auto auto 0 0;
  width: 40%;
  height: 43%;
  border-top: clamp(1.5rem, 3vw, 3rem) solid var(--lime);
  border-right: clamp(1.5rem, 3vw, 3rem) solid var(--lime);
}

h1 { font-size: clamp(4.5rem, 11vw, 11rem); }

.process,
.ladder-feature,
.story,
.privacy,
.support {
  width: min(100%, var(--max-width));
  margin-inline: auto;
  padding: var(--section-space) var(--gutter);
}

.section-heading { max-width: 54rem; margin-bottom: clamp(3rem, 7vw, 6rem); }

.eyebrow {
  margin-bottom: 1rem;
  color: #b74725;
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h2 {
  margin-bottom: 1.5rem;
  font-size: clamp(2.5rem, 6vw, 5.6rem);
  font-weight: 900;
  line-height: 0.96;
  letter-spacing: -0.055em;
}

.section-heading > p:last-child,
.proof-copy,
.story-body,
.privacy-list,
.support > p {
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: process;
}

.process-steps li {
  position: relative;
  padding: 1.5rem clamp(1rem, 3vw, 2.5rem) 1rem;
  border-top: 2px solid var(--ink);
}

.process-steps li:not(:last-child)::after {
  content: "";
  position: absolute;
  top: -5px;
  right: -4px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--orange);
}

.step-number {
  display: block;
  margin-bottom: 2rem;
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: 0.75rem;
  font-weight: 800;
}

.process-steps h3 { margin-bottom: 0.75rem; font-size: clamp(1.5rem, 2.4vw, 2.2rem); }
.process-steps p { margin: 0; color: var(--muted); }

.ladder-feature {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(18rem, 0.78fr);
  align-items: center;
  gap: clamp(3rem, 8vw, 8rem);
  background:
    linear-gradient(90deg, var(--lime) 0 0) left / clamp(0.7rem, 1.7vw, 1.6rem) 100% no-repeat,
    var(--white);
}

.ladder-feature-copy { max-width: 46rem; }

.ladder-feature-intro {
  max-width: 42rem;
  font-size: clamp(1.15rem, 2vw, 1.55rem);
  line-height: 1.4;
}

.ladder-feature-list { margin: 2rem 0; padding: 0; list-style: none; }

.ladder-feature-list li {
  position: relative;
  padding: 1rem 0 1rem 2rem;
  border-top: 1px solid var(--line);
  font-weight: 750;
}

.ladder-feature-list li::before {
  content: "";
  position: absolute;
  top: 1.53rem;
  left: 0;
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 50%;
  background: var(--orange);
}

.ladder-feature-qualification { max-width: 43rem; color: var(--muted); font-size: 0.95rem; }

.ladder-feature-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  margin-top: 0.7rem;
  padding: 0.75rem 1.2rem;
  background: var(--ink);
  color: var(--white);
  font-weight: 800;
  text-decoration: none;
}

.ladder-feature-cta:hover { background: var(--orange); color: var(--black); }

.ladder-feature-media {
  position: relative;
  justify-self: center;
  width: min(100%, 25rem);
  margin: 0;
}

.ladder-feature-media > [data-ladder-media] {
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 2.4rem;
  background: var(--white);
  box-shadow: 1rem 1rem 0 var(--orange);
}

.ladder-feature-tomato {
  position: absolute;
  width: clamp(5rem, 28%, 8rem);
  height: auto;
  right: -6%;
  bottom: 8%;
}

.proof {
  display: grid;
  grid-template-columns: minmax(18rem, 0.95fr) minmax(0, 1.05fr);
  align-items: center;
  gap: clamp(3rem, 8vw, 8rem);
  padding: var(--section-space) var(--gutter);
  background: var(--stage);
  color: var(--white);
}

.proof-stage {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 42rem;
}

.proof-stage::before,
.proof-stage::after {
  content: "";
  position: absolute;
  border: 1px solid color-mix(in srgb, var(--lime) 65%, transparent);
  border-radius: 50%;
}

.proof-stage::before { width: 92%; aspect-ratio: 1; }
.proof-stage::after { width: 68%; aspect-ratio: 1; border-color: color-mix(in srgb, var(--orange) 65%, transparent); }

:root[data-theme="corner"] .proof { color: var(--black); }

:root[data-theme="corner"] .proof-stage::before,
:root[data-theme="corner"] .proof-stage::after { border-color: var(--black); }

.product-media {
  position: relative;
  z-index: 1;
  display: flex;
  width: min(100%, 52rem);
  gap: 1rem;
  overflow-x: auto;
  padding: 1rem 0.25rem 1.5rem;
  scroll-snap-type: x mandatory;
}

.product-shot {
  flex: 0 0 min(72%, 19rem);
  margin: 0;
  scroll-snap-align: center;
}

.product-shot img {
  width: 100%;
  height: auto;
  border: 1px solid color-mix(in srgb, var(--white) 18%, transparent);
  border-radius: 2rem;
  background: #000;
  object-fit: contain;
}

.product-shot-watch img { aspect-ratio: 374 / 446; }
.product-shot-phone img { aspect-ratio: 1260 / 2736; border-radius: 2.4rem; }

.product-shot figcaption {
  margin-top: 0.75rem;
  color: currentColor;
  font-size: 0.88rem;
  font-weight: 750;
  line-height: 1.35;
}

.proof-list,
.privacy-list { margin: 0; padding: 0; list-style: none; }

.proof-list li,
.privacy-list li {
  position: relative;
  padding: 1rem 0 1rem 2rem;
  border-top: 1px solid color-mix(in srgb, currentColor 24%, transparent);
}

.proof-list li::before,
.privacy-list li::before {
  content: "";
  position: absolute;
  top: 1.62rem;
  left: 0;
  width: 0.55rem;
  height: 0.55rem;
  background: var(--orange);
}

.story { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 0.8fr); gap: clamp(3rem, 9vw, 9rem); }
.story-body p { margin-bottom: 1.5rem; }
.story-body p:first-child::first-letter { float: left; margin: 0.05em 0.12em 0 0; font-size: 4.4em; font-weight: 900; line-height: 0.78; }

.privacy {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(3rem, 9vw, 9rem);
  border-block: 2px solid var(--ink);
}

.privacy-intro { font-size: clamp(1.5rem, 3vw, 2.3rem); font-weight: 850; }

.support { text-align: center; }
.support > p { max-width: 38rem; margin-inline: auto; }

.support-faq {
  width: min(100%, 56rem);
  margin: clamp(3rem, 6vw, 5rem) auto 0;
  text-align: left;
}

.support-faq dt {
  padding-top: 1.35rem;
  border-top: 1px solid var(--line);
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  font-weight: 850;
}

.support-faq dd {
  margin: 0;
  padding: 0.65rem 0 1.5rem;
  color: var(--muted);
  font-size: clamp(1rem, 1.5vw, 1.15rem);
}

.support-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  margin-top: 1.5rem;
  padding: 0.75rem 1.2rem;
  background: var(--ink);
  color: var(--white);
  font-weight: 800;
  text-decoration: none;
}

/* Return-to-top: a lime disc whose ring fills with reading progress, like a hold interval. */
.to-top {
  position: fixed;
  z-index: 15;
  right: calc(var(--gutter) + env(safe-area-inset-right, 0px));
  bottom: calc(1.5rem + env(safe-area-inset-bottom, 0px));
  display: grid;
  place-items: center;
  width: 4rem;
  height: 4rem;
  padding: 0;
  border: 2px solid var(--ink);
  border-radius: 50%;
  background: var(--lime);
  color: var(--ink);
  box-shadow: 0 0.75rem 1.75rem color-mix(in srgb, var(--black) 28%, transparent);
  cursor: pointer;
  opacity: 0;
  transform: translateY(0.75rem) scale(0.92);
  visibility: hidden;
  transition: opacity 220ms ease, transform 220ms ease, visibility 0s linear 220ms;
}

.to-top[data-visible="true"] {
  opacity: 1;
  transform: none;
  visibility: visible;
  transition-delay: 0s;
}

.to-top:hover { background: var(--white); }

.to-top > * { grid-area: 1 / 1; }

.to-top-ring {
  width: 100%;
  height: 100%;
  fill: none;
  stroke-width: 2.5;
  transform: rotate(-90deg);
}

.to-top-track { stroke: color-mix(in srgb, var(--ink) 16%, transparent); }
.to-top-progress { stroke: var(--orange); stroke-linecap: round; }

.to-top-arrow {
  width: 1.35rem;
  height: 1.35rem;
  margin-top: -0.42rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.6;
  stroke-linecap: square;
}

.to-top-label {
  margin-top: 1.05rem;
  font-size: 0.58rem;
  font-weight: 850;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 3rem;
  padding: clamp(3rem, 6vw, 5rem) var(--gutter);
  background: var(--black);
  color: var(--white);
}

.site-footer p { max-width: 34rem; margin-bottom: 0.4rem; }
.footer-product { font-size: 1.4rem; font-weight: 850; }
.footer-links { display: flex; flex-wrap: wrap; align-content: start; align-items: center; gap: 0.6rem 1.5rem; }

:root[data-theme="corner"] .process,
:root[data-theme="corner"] .story { position: relative; }

:root[data-theme="corner"] .process::before,
:root[data-theme="corner"] .story::before {
  content: "";
  position: absolute;
  z-index: -1;
  width: clamp(2rem, 7vw, 7rem);
  height: 42%;
  border-left: clamp(0.8rem, 1.8vw, 1.8rem) solid var(--lime);
  border-bottom: clamp(0.8rem, 1.8vw, 1.8rem) solid var(--lime);
}

:root[data-theme="corner"] .process::before { top: 8%; right: var(--gutter); }
:root[data-theme="corner"] .story::before { bottom: 8%; left: var(--gutter); transform: rotate(180deg); }

@media (max-width: 1060px) {
  .site-header { grid-template-columns: 1fr auto; }
  .site-header nav { grid-column: 1 / -1; grid-row: 2; justify-content: flex-start; }
  .site-header .language-switcher { grid-column: 2; grid-row: 1; }
}

@media (max-width: 759px) {
  :root { --gutter: clamp(1rem, 5vw, 1.75rem); --section-space: clamp(4.5rem, 18vw, 7rem); }

  .site-header { display: flex; flex-wrap: wrap; gap: 0.6rem 1rem; }
  .brand { margin-right: auto; }
  .brand span { font-size: 0.92rem; }
  .site-header .language-switcher { order: 2; }
  .site-header nav { order: 3; width: 100%; justify-content: space-between; gap: 0.25rem; overflow-x: auto; }
  .site-header nav { justify-content: flex-start; }
  .site-header nav a { padding-inline: 0.25rem; }

  .hero {
    grid-template-columns: minmax(0, 1fr);
    align-content: center;
    gap: 3rem;
    min-height: auto;
    padding-top: 4rem;
  }

  h1 { font-size: clamp(3.7rem, 20vw, 6.5rem); }
  .hero-mark { justify-self: center; width: min(74vw, 24rem); }

  .process-steps { grid-template-columns: minmax(0, 1fr); }
  .process-steps li { padding: 1.4rem 0 2.5rem 3.5rem; border-top: 0; border-left: 2px solid var(--ink); }
  .process-steps li:not(:last-child)::after { top: auto; right: auto; bottom: -4px; left: -5px; }
  .step-number { position: absolute; left: 1rem; margin: 0; }

  .proof,
  .ladder-feature,
  .story,
  .privacy { grid-template-columns: minmax(0, 1fr); }
  .ladder-feature-copy { order: 1; }
  .ladder-feature-media { order: 2; width: min(82vw, 23rem); }
  .proof-stage { min-height: 23rem; }
  .product-shot { flex-basis: min(78%, 18rem); }
  .site-footer { flex-direction: column; padding-bottom: 6.5rem; }

  /* Keep the disc clear of the footer controls it floats over. */
  .to-top { width: 3.4rem; height: 3.4rem; bottom: calc(1rem + env(safe-area-inset-bottom, 0px)); }
  .to-top-arrow { width: 1.15rem; height: 1.15rem; margin-top: -0.34rem; }
  .to-top-label { margin-top: 0.9rem; font-size: 0.5rem; }
}

@media (max-width: 390px) {
  .language-switcher button { padding-inline: 0.5rem; }
  .button-group button { font-size: 0.68rem; }
  .hero { padding-top: 3rem; }
  h1 { font-size: clamp(3.2rem, 19vw, 4.4rem); }
  h2 { font-size: clamp(2.25rem, 13vw, 3.5rem); }
}

@media (prefers-reduced-motion: reduce) {
  :root { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

.web-app-note { max-width: 40rem; margin: 1.2rem 0 0; font-size: .95rem; color: var(--muted); }
@media (max-width: 600px) and (orientation: portrait) {
  .hero-actions { flex-direction: column; align-items: flex-start; }
}