/* Hallmark · macrostructure: Narrative Workflow · genre: modern-minimal
 * theme: studied-DNA (source: Flutter app HomeScreen / recipee-9b3.pages.dev#workbench)
 * paper: oklch(95.5% 0.012 95) · accent: oklch(52% 0.07 155) · axes: light / grotesk-sans / chromatic-green
 * nav: N1b · footer: Ft1 · enrichment: Tier-A CSS app shell
 * studied: yes · DNA-source: Flutter app_colors + HomeScreen
 */
@import url("./tokens.css");

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

html,
body {
  overflow-x: clip;
}

html {
  scroll-behavior: smooth;
}

@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;
  }
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.5;
  color: var(--color-ink);
  background: var(--color-paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
}

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

button {
  font: inherit;
}

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

/* —— App chrome nav —— */
.app-bar {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky-nav);
  background: color-mix(in oklab, var(--color-paper) 88%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-rule);
}

.app-bar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0.875rem var(--page-gutter);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
  color: var(--color-ink);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand img {
  width: 2rem;
  height: 2rem;
  border-radius: 0.55rem;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem 1rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--color-muted);
  font-size: var(--text-sm);
  font-weight: 600;
  white-space: nowrap;
  transition: color var(--dur-micro) var(--ease-out);
}

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

.nav-links a:active {
  transform: translateY(1px);
}

/* —— Buttons (match ElevatedButton sage / 14 radius / elevation 0) —— */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 3.375rem;
  padding: 0.85rem 1.35rem;
  border: 0;
  border-radius: var(--radius-btn);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition:
    background-color var(--dur-micro) var(--ease-out),
    color var(--dur-micro) var(--ease-out),
    transform var(--dur-micro) var(--ease-out),
    box-shadow var(--dur-micro) var(--ease-out);
}

.button:hover {
  transform: translateY(-1px);
}

.button:active {
  transform: translateY(1px);
}

.button--primary {
  background: var(--color-accent);
  color: var(--color-surface);
}

.button--primary:hover {
  background: var(--color-accent-deep);
}

.button--ghost {
  background: var(--color-surface);
  color: var(--color-ink);
  border: 1px solid var(--color-rule);
}

.button--ghost:hover {
  border-color: var(--color-accent-mid);
  box-shadow: var(--shadow-lift);
}

.button--block {
  width: 100%;
}

/* —— Landing shell —— */
.shell {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: var(--space-xl) var(--page-gutter) var(--space-3xl);
}

.reveal {
  animation: rise var(--dur-long) var(--ease-out) both;
}

.reveal-2 {
  animation-delay: 80ms;
}

.reveal-3 {
  animation-delay: 160ms;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(0.75rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal,
  .reveal-2,
  .reveal-3 {
    animation: none;
  }
}

/* —— Hero = HomeScreen —— */
.home-hero {
  display: grid;
  gap: var(--space-2xl);
  align-items: start;
}

@media (min-width: 960px) {
  .home-hero {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    gap: var(--space-3xl);
    align-items: center;
  }
}

.eyebrow {
  display: inline-block;
  margin-bottom: 0.5rem;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: color-mix(in oklab, var(--color-accent) 70%, transparent);
}

.home-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 4vw + 1rem, 3.5rem);
  font-weight: 800;
  font-style: normal;
  line-height: 1.12;
  letter-spacing: -0.035em;
  color: var(--color-ink);
  overflow-wrap: anywhere;
  min-width: 0;
}

.home-hero__lede {
  margin-top: var(--space-md);
  max-width: 34rem;
  color: var(--color-muted);
  font-size: var(--text-md);
  line-height: 1.55;
}

.home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: var(--space-xl);
}

/* Phone / exact HomeScreen mock */
.phone {
  margin: 0;
  justify-self: center;
  width: min(100%, 24.5rem);
  min-width: 0;
}

.phone__bezel {
  position: relative;
  padding: 0.7rem;
  background: oklch(22% 0.015 155);
  border-radius: 2.35rem;
  box-shadow: var(--shadow-soft);
}

.phone__island {
  position: absolute;
  top: 1.05rem;
  left: 50%;
  z-index: 2;
  width: 5.5rem;
  height: 1.55rem;
  transform: translateX(-50%);
  border-radius: 999rem;
  background: oklch(12% 0.01 155);
}

.phone__screen {
  background: var(--color-paper);
  border-radius: 1.85rem;
  overflow: hidden;
}

.phone__status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.35rem 0.15rem;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-ink);
}

.phone__status-icons {
  display: inline-flex;
  color: var(--color-ink);
}

/* Mobile screen content — mirrors HomeScreen paddings/radii */
.ms {
  padding: 1.15rem 1.5rem 1.75rem;
}

.ms__brand {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: color-mix(in oklab, var(--color-accent) 70%, transparent);
}

.ms__headline {
  margin-top: 0.375rem;
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: var(--color-ink);
}

.ms__label {
  margin: 2.5rem 0 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.ms__label--inline {
  margin: 0;
}

.ms__url {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  min-height: 3.25rem;
  padding: 0.85rem 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-btn);
}

.ms__url-icon {
  flex: 0 0 auto;
  color: var(--color-accent-mid);
}

.ms__url-hint {
  color: color-mix(in oklab, var(--color-muted) 60%, transparent);
  font-size: 0.9375rem;
}

.ms__link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  margin-top: 0.75rem;
  padding: 0.25rem 0;
  border: 0;
  background: transparent;
  color: var(--color-accent);
  font-size: 0.8125rem;
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 0.15em;
  cursor: pointer;
  text-align: left;
}

.ms__link--btn {
  margin-top: 0.875rem;
  width: 100%;
}

.ms__link svg {
  flex: 0 0 auto;
}

.ms__card {
  margin-top: 1.75rem;
  padding: 1.375rem 1.25rem;
  background: var(--color-surface);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-card);
}

.ms__card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--color-accent-mid);
}

.ms__inline-field {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.875rem;
  min-height: 2.85rem;
  padding: 0.7rem 0.85rem;
  border-radius: 0.625rem;
  background: var(--color-paper);
  color: color-mix(in oklab, var(--color-muted) 55%, transparent);
  font-size: 0.875rem;
}

.ms__inline-field:first-of-type {
  margin-top: 0.875rem;
}

.ms__inline-field svg {
  flex: 0 0 auto;
  color: var(--color-accent-mid);
}

.ms__stepper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  margin-top: 1.25rem;
}

.ms__step-btn {
  display: grid;
  place-items: center;
  width: 2.875rem;
  height: 2.875rem;
  border: 0;
  border-radius: 999rem;
  background: var(--color-chip);
  color: var(--color-accent);
  cursor: pointer;
  transition: background-color var(--dur-micro) var(--ease-out);
}

.ms__step-btn:hover:not(:disabled) {
  background: color-mix(in oklab, var(--color-chip) 70%, var(--color-accent-mid));
}

.ms__step-btn:disabled {
  background: color-mix(in oklab, var(--color-rule) 35%, transparent);
  color: var(--color-muted);
  cursor: default;
}

.ms__step-value {
  width: 5rem;
  text-align: center;
  font-size: 2.75rem;
  font-weight: 700;
  line-height: 1;
  color: var(--color-ink);
  font-variant-numeric: tabular-nums;
}

.ms__step-caption {
  margin-top: 0.375rem;
  text-align: center;
  font-size: 0.875rem;
  color: var(--color-muted);
}

.ms__submit {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 3.375rem;
  margin-top: 2rem;
  border: 0;
  border-radius: var(--radius-btn);
  background: var(--color-accent);
  color: var(--color-surface);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color var(--dur-micro) var(--ease-out);
}

.ms__submit:hover {
  background: var(--color-accent-deep);
}

.ms__history {
  margin-top: 2.25rem;
}

.ms__history .ms__label {
  margin-top: 0;
  margin-bottom: 0.625rem;
}

.ms__tile {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  padding: 0.75rem 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-rule);
  border-radius: 0.75rem;
}

.ms__tile strong {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-ink);
}

.ms__tile span {
  display: block;
  margin-top: 0.125rem;
  font-size: 0.75rem;
  color: var(--color-muted);
}

.ms__tile svg {
  flex: 0 0 auto;
  color: var(--color-accent);
}

/* —— Sections —— */
.section {
  margin-top: var(--space-3xl);
}

.section__head {
  margin-bottom: var(--space-xl);
}

.section__head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 2vw + 1rem, 2.35rem);
  font-weight: 800;
  font-style: normal;
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: var(--color-ink);
  min-width: 0;
}

.section__head p {
  margin-top: 0.65rem;
  color: var(--color-muted);
  font-size: 1.05rem;
}

@media (min-width: 900px) {
  .section__head h2,
  .section__head p {
    white-space: nowrap;
  }

  .step h3 {
    white-space: nowrap;
  }
}

/* Feature cards = app white cards + border */
.card-grid {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 15.5rem), 1fr));
}

.card-grid > * {
  min-width: 0;
}

.app-card {
  padding: 1.25rem;
  background: var(--color-surface);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-card);
  transition:
    transform var(--dur-short) var(--ease-out),
    box-shadow var(--dur-short) var(--ease-out),
    border-color var(--dur-short) var(--ease-out);
}

.app-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lift);
  border-color: color-mix(in oklab, var(--color-accent-mid) 45%, var(--color-rule));
}

.app-card__stamp {
  display: inline-block;
  margin-bottom: 0.75rem;
  padding: 0.2rem 0.55rem;
  border-radius: 0.4rem;
  background: var(--color-chip);
  color: var(--color-accent-deep);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.app-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  font-style: normal;
  letter-spacing: -0.02em;
  line-height: 1.3;
  color: var(--color-ink);
}

.app-card p {
  margin-top: 0.45rem;
  color: var(--color-muted);
  font-size: 0.9375rem;
  line-height: 1.5;
}

/* How it works — 3 steps */
.steps {
  display: grid;
  gap: 0.75rem;
}

@media (min-width: 768px) {
  .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.step {
  position: relative;
  padding: 1.25rem;
  background: var(--color-surface);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-card);
  min-width: 0;
}

.step__head {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 0.55rem;
  min-width: 0;
}

.step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  flex: 0 0 auto;
  border-radius: var(--radius-round);
  background: var(--color-chip);
  color: var(--color-accent-deep);
  font-size: 0.8125rem;
  font-weight: 800;
}

.step h3 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  font-style: normal;
  letter-spacing: -0.02em;
  min-width: 0;
}

.step p {
  margin-top: 0;
  color: var(--color-muted);
  font-size: 0.9375rem;
}

/* Workflow demo — cooking sheet strip */
.workflow {
  display: grid;
  gap: 0.75rem;
}

@media (min-width: 860px) {
  .workflow {
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1.1fr);
    align-items: stretch;
  }
}

.sheet {
  padding: 1.15rem;
  background: var(--color-surface);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-card);
  min-width: 0;
}

.sheet__label {
  margin-bottom: 0.65rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.sheet__title {
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 0.85rem;
}

.sheet dl {
  margin: 0;
  display: grid;
  gap: 0.45rem;
}

.sheet dl > div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.45rem 0.55rem;
  border-radius: 0.5rem;
  background: var(--color-chip);
  font-size: 0.875rem;
}

.sheet dt {
  color: var(--color-muted);
  font-weight: 500;
}

.sheet dd {
  margin: 0;
  font-weight: 700;
  color: var(--color-ink);
  font-variant-numeric: tabular-nums;
}

.sheet--result {
  border-color: color-mix(in oklab, var(--color-accent) 35%, var(--color-rule));
}

.sheet--result .sheet__label {
  color: var(--color-accent-deep);
}

.workflow__math {
  display: grid;
  place-items: center;
  min-width: 3rem;
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--color-accent);
}

.checklist {
  margin: 0.9rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.4rem;
}

.checklist li {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.875rem;
  color: var(--color-ink);
}

.checklist li span {
  width: 1.05rem;
  height: 1.05rem;
  border: 1.5px solid var(--color-accent-mid);
  border-radius: 0.3rem;
  flex: 0 0 auto;
}

.checklist li.is-done span {
  background: var(--color-accent);
  border-color: var(--color-accent);
  box-shadow: inset 0 0 0 2px var(--color-surface);
}

.checklist li.is-done {
  color: var(--color-muted);
  text-decoration: line-through;
  text-decoration-color: color-mix(in oklab, var(--color-muted) 50%, transparent);
}

/* Final CTA */
.final-cta {
  margin-top: var(--space-3xl);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  background: var(--color-surface);
  border: 1px solid var(--color-rule);
  border-radius: calc(var(--radius-card) + 0.25rem);
  text-align: center;
}

.final-cta h2 {
  font-size: clamp(1.5rem, 2vw + 0.75rem, 2rem);
  font-weight: 800;
  font-style: normal;
  letter-spacing: -0.03em;
}

.final-cta p {
  margin: 0.55rem auto 0;
  max-width: 30rem;
  color: var(--color-muted);
}

.final-cta__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

/* —— Shared legal chrome —— */
.site-header {
  border-bottom: 1px solid var(--color-rule);
  background: var(--color-paper);
}

.site-header .nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0.875rem var(--page-gutter);
}

.legal {
  max-width: 44rem;
  margin: 0 auto;
  padding: var(--space-2xl) var(--page-gutter) var(--space-3xl);
}

.legal h1 {
  font-size: clamp(2rem, 3vw + 1rem, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.legal .updated {
  margin-top: 0.5rem;
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.legal h2 {
  margin-top: var(--space-xl);
  margin-bottom: 0.65rem;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.legal h3 {
  margin-top: var(--space-lg);
  font-size: 1.05rem;
}

.legal p,
.legal li {
  color: var(--color-muted);
  line-height: 1.6;
}

.legal p {
  margin-top: 0.65rem;
}

.legal ul {
  margin: 0.65rem 0 0;
  padding-left: 1.2rem;
}

.legal a {
  color: var(--color-accent-deep);
  font-weight: 600;
}

.notice {
  margin-top: 1rem;
  padding: 0.85rem 1rem;
  border-radius: 0.75rem;
  background: var(--color-chip);
  border: 1px solid var(--color-rule);
  color: var(--color-ink);
  font-size: 0.9375rem;
}

.site-footer,
.app-footer {
  border-top: 1px solid var(--color-rule);
  background: var(--color-paper);
}

.site-footer .footer-inner,
.app-footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.25rem;
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 1.15rem var(--page-gutter) 1.5rem;
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.site-footer nav,
.app-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.site-footer a,
.app-footer a {
  color: var(--color-muted);
  text-decoration: none;
  font-weight: 600;
  white-space: nowrap;
}

.site-footer a:hover,
.app-footer a:hover {
  color: var(--color-ink);
}