/* ==========================================================================
   Cutle.co — design system
   All branding, colour and typography values live in :root so the whole
   site can be re-skinned from one place.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design tokens
   -------------------------------------------------------------------------- */
:root {
  /* Brand palette -------------------------------------------------------- */
  --c-accent: #0f766e;
  --c-accent-hover: #115e59;
  --c-accent-active: #134e4a;
  --c-accent-soft: #ccfbf1;
  --c-accent-tint: #f0fdfa;

  /* Neutrals ------------------------------------------------------------- */
  --c-bg: #ffffff;
  --c-bg-alt: #f8fafc;
  --c-bg-sunken: #f1f5f9;
  --c-ink: #0b1220;
  --c-ink-soft: #1e293b;
  --c-body: #475569;
  --c-muted: #64748b;
  --c-line: #e2e8f0;
  --c-line-strong: #cbd5e1;
  --c-on-dark: #f8fafc;
  --c-on-dark-muted: #94a3b8;
  --c-dark: #0b1220;

  /* Status --------------------------------------------------------------- */
  --c-planned-bg: #fff7ed;
  --c-planned-line: #fed7aa;
  --c-planned-text: #9a3412;

  /* Typography ----------------------------------------------------------- */
  --font-sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
    "Liberation Mono", monospace;

  --step--1: clamp(0.8125rem, 0.79rem + 0.11vw, 0.875rem);
  --step-0: clamp(0.9375rem, 0.91rem + 0.14vw, 1rem);
  --step-1: clamp(1.0625rem, 1.02rem + 0.22vw, 1.1875rem);
  --step-2: clamp(1.25rem, 1.17rem + 0.4vw, 1.5rem);
  --step-3: clamp(1.5rem, 1.34rem + 0.8vw, 2rem);
  --step-4: clamp(1.875rem, 1.6rem + 1.35vw, 2.75rem);
  --step-5: clamp(2.25rem, 1.72rem + 2.6vw, 3.75rem);

  /* Spacing -------------------------------------------------------------- */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 2.5rem;
  --space-8: 3rem;
  --space-9: 4rem;
  --space-10: 5rem;
  --section-y: clamp(3.5rem, 2.2rem + 5.2vw, 6.5rem);

  /* Radii ---------------------------------------------------------------- */
  --radius-sm: 0.5rem;
  --radius: 0.75rem;
  --radius-lg: 1.25rem;
  --radius-xl: 1.75rem;
  --radius-pill: 999px;

  /* Elevation ------------------------------------------------------------ */
  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.07), 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 8px 20px -8px rgba(15, 23, 42, 0.16), 0 2px 6px rgba(15, 23, 42, 0.05);
  --shadow-lg: 0 24px 48px -20px rgba(15, 23, 42, 0.24), 0 6px 14px -8px rgba(15, 23, 42, 0.12);

  /* Layout --------------------------------------------------------------- */
  --container: 71.25rem; /* 1140px */
  --container-narrow: 47.5rem; /* 760px */
  --header-h: 4.5rem;

  /* Motion --------------------------------------------------------------- */
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --dur-fast: 120ms;
  --dur: 220ms;
}

/* --------------------------------------------------------------------------
   2. Reset and base
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--c-bg);
  color: var(--c-body);
  font-family: var(--font-sans);
  font-size: var(--step-0);
  line-height: 1.65;
  font-synthesis-weight: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img,
svg,
video {
  max-width: 100%;
  height: auto;
  display: block;
}

h1,
h2,
h3,
h4 {
  margin: 0 0 var(--space-4);
  color: var(--c-ink);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

h1 {
  font-size: var(--step-5);
  letter-spacing: -0.032em;
  line-height: 1.06;
}

h2 {
  font-size: var(--step-4);
}

h3 {
  font-size: var(--step-2);
}

h4 {
  font-size: var(--step-1);
}

p {
  margin: 0 0 var(--space-4);
}

p:last-child,
ul:last-child,
ol:last-child {
  margin-bottom: 0;
}

a {
  color: var(--c-accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--c-accent-hover);
}

ul,
ol {
  margin: 0 0 var(--space-4);
  padding-left: 1.25rem;
}

li + li {
  margin-top: var(--space-2);
}

strong {
  color: var(--c-ink-soft);
  font-weight: 650;
}

hr {
  border: 0;
  border-top: 1px solid var(--c-line);
  margin: var(--space-6) 0;
}

/* Visible, consistent focus treatment for keyboard users. */
:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Skip link ------------------------------------------------------------- */
.skip-link {
  position: absolute;
  left: var(--space-4);
  top: -4rem;
  z-index: 200;
  padding: var(--space-3) var(--space-4);
  background: var(--c-ink);
  color: #fff;
  border-radius: var(--radius-sm);
  font-weight: 600;
  text-decoration: none;
  transition: top var(--dur) var(--ease);
}

.skip-link:focus {
  top: var(--space-3);
  color: #fff;
}

/* Keep in-page anchor targets clear of the sticky header. */
[id] {
  scroll-margin-top: calc(var(--header-h) + 1rem);
}

/* --------------------------------------------------------------------------
   3. Layout primitives
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1rem, 0.5rem + 2.2vw, 2rem);
}

.container--narrow {
  max-width: var(--container-narrow);
}

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

.section--tight {
  padding-block: clamp(2.5rem, 1.6rem + 3.4vw, 4rem);
}

.section--alt {
  background: var(--c-bg-alt);
  border-block: 1px solid var(--c-line);
}

.section--dark {
  background: var(--c-dark);
  color: var(--c-on-dark);
}

.section--dark h2,
.section--dark h3 {
  color: #fff;
}

.section__head {
  max-width: 46rem;
  margin-bottom: clamp(2rem, 1.4rem + 2vw, 3.25rem);
}

.section__head--center {
  margin-inline: auto;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin: 0 0 var(--space-3);
  color: var(--c-accent);
  font-size: var(--step--1);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.section--dark .eyebrow {
  color: #5eead4;
}

.lede {
  font-size: var(--step-1);
  color: var(--c-body);
}

.section--dark .lede {
  color: var(--c-on-dark-muted);
}

.grid {
  display: grid;
  gap: clamp(1rem, 0.6rem + 1.4vw, 1.75rem);
}

.grid--2 {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 20rem), 1fr));
}

.grid--3 {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr));
}

.grid--4 {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 14rem), 1fr));
}

.cluster {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
}

/* --------------------------------------------------------------------------
   4. Buttons
   -------------------------------------------------------------------------- */
.btn {
  --btn-bg: transparent;
  --btn-fg: var(--c-ink);
  --btn-border: var(--c-line-strong);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.78em 1.35em;
  border: 1px solid var(--btn-border);
  border-radius: var(--radius-pill);
  background: var(--btn-bg);
  color: var(--btn-fg);
  font: inherit;
  font-size: var(--step-0);
  font-weight: 600;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease),
    color var(--dur) var(--ease), transform var(--dur-fast) var(--ease), box-shadow var(--dur) var(--ease);
}

.btn:hover {
  color: var(--btn-fg);
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn--primary {
  --btn-bg: var(--c-accent);
  --btn-fg: #fff;
  --btn-border: var(--c-accent);
  box-shadow: var(--shadow-sm);
}

.btn--primary:hover {
  --btn-bg: var(--c-accent-hover);
  --btn-border: var(--c-accent-hover);
}

.btn--secondary {
  --btn-bg: #fff;
  --btn-fg: var(--c-ink);
  --btn-border: var(--c-line-strong);
  box-shadow: var(--shadow-xs);
}

.btn--secondary:hover {
  --btn-border: var(--c-ink);
  --btn-bg: var(--c-bg-alt);
}

.btn--ghost {
  --btn-border: transparent;
  --btn-fg: var(--c-ink);
  padding-inline: var(--space-3);
}

.btn--ghost:hover {
  --btn-bg: var(--c-bg-sunken);
}

.btn--lg {
  font-size: var(--step-1);
  padding: 0.85em 1.6em;
}

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

.btn--on-dark {
  --btn-bg: #fff;
  --btn-fg: var(--c-ink);
  --btn-border: #fff;
}

.btn--on-dark:hover {
  --btn-bg: var(--c-accent-soft);
  --btn-border: var(--c-accent-soft);
}

.btn--outline-light {
  --btn-bg: transparent;
  --btn-fg: #fff;
  --btn-border: rgba(248, 250, 252, 0.4);
}

.btn--outline-light:hover {
  --btn-bg: rgba(248, 250, 252, 0.1);
  --btn-border: #fff;
}

.btn__icon {
  width: 1.15em;
  height: 1.15em;
  flex: none;
}

/* --------------------------------------------------------------------------
   5. Header and navigation
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--c-line);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  min-height: var(--header-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--c-ink);
  font-weight: 750;
  font-size: var(--step-1);
  letter-spacing: -0.03em;
  text-decoration: none;
  padding-block: var(--space-2);
}

.brand:hover {
  color: var(--c-ink);
}

/* The app icon doubles as the brand mark, so the website and the Play Store
   listing are recognisably the same product. The radius matches the ~23%
   corner radius of the source artwork. */
.brand__mark {
  width: 2rem;
  height: 2rem;
  border-radius: 0.6rem;
  flex: none;
  box-shadow: var(--shadow-xs);
}

.brand__text small {
  display: block;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-muted);
  line-height: 1;
  margin-top: 0.15rem;
  white-space: nowrap;
}

.nav {
  margin-left: auto;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav__list li + li {
  margin-top: 0;
}

.nav__link {
  display: inline-block;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  color: var(--c-ink-soft);
  font-size: var(--step-0);
  font-weight: 550;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.nav__link:hover {
  background: var(--c-bg-sunken);
  color: var(--c-ink);
}

.nav__link[aria-current="page"] {
  color: var(--c-accent);
  font-weight: 650;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-left: var(--space-2);
}

.nav-toggle {
  display: none;
  margin-left: auto;
  padding: var(--space-2);
  width: 2.75rem;
  height: 2.75rem;
  align-items: center;
  justify-content: center;
  background: #fff;
  border: 1px solid var(--c-line-strong);
  border-radius: var(--radius-sm);
  color: var(--c-ink);
  cursor: pointer;
}

.nav-toggle__bars,
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  display: block;
  width: 1.1rem;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: relative;
}

.nav-toggle__bars::before {
  top: -0.36rem;
}

.nav-toggle__bars::after {
  top: 0.28rem;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before {
  transform: translateY(0.36rem) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after {
  transform: translateY(-0.28rem) rotate(-45deg);
}

/* The navigation labels are long enough to wrap, which would make the sticky
   header grow. Below this width the secondary button is dropped instead, and
   below 56rem the whole menu collapses into the toggle. */
@media (max-width: 68rem) {
  .header-actions .btn--secondary {
    display: none;
  }
}

@media (max-width: 56rem) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    margin: 0;
    background: #fff;
    border-bottom: 1px solid var(--c-line);
    box-shadow: var(--shadow-md);
    padding: var(--space-4) clamp(1rem, 0.5rem + 2.2vw, 2rem) var(--space-5);
    display: none;
  }

  .nav[data-open="true"] {
    display: block;
  }

  .nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .nav__link {
    display: block;
    padding: var(--space-3) var(--space-2);
    border-radius: var(--radius-sm);
    font-size: var(--step-1);
  }

  .nav__actions-mobile {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    margin-top: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px solid var(--c-line);
  }
}

@media (min-width: 56.0625rem) {
  .nav__actions-mobile {
    display: none;
  }
}

@media (max-width: 56rem) {
  .header-actions {
    display: none;
  }
}

/* --------------------------------------------------------------------------
   6. Hero
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  padding-block: clamp(3rem, 2rem + 5vw, 6rem) clamp(3.5rem, 2rem + 6vw, 7rem);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -20% 20% auto -10%;
  height: 32rem;
  background: radial-gradient(50% 50% at 50% 50%, rgba(15, 118, 110, 0.13), transparent 70%);
  pointer-events: none;
  z-index: -1;
}

.hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(2.5rem, 1.5rem + 4vw, 4rem);
  align-items: center;
}

@media (min-width: 62rem) {
  .hero__inner {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }
}

.hero__title {
  margin-bottom: var(--space-5);
}

.hero__title em {
  font-style: normal;
  color: var(--c-accent);
}

.hero__text {
  font-size: var(--step-1);
  max-width: 34rem;
  margin-bottom: var(--space-6);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-5);
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--c-muted);
  font-size: var(--step--1);
}

.hero__meta li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin: 0;
}

.hero__meta svg {
  width: 1rem;
  height: 1rem;
  color: var(--c-accent);
  flex: none;
}

.hero__stage {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 20rem;
}

/* --------------------------------------------------------------------------
   7. ID card component
   -------------------------------------------------------------------------- */
.id-card {
  --card-accent: var(--c-accent);
  position: relative;
  width: min(100%, 22rem);
  aspect-ratio: 1.586 / 1;
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid var(--c-line);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  isolation: isolate;
}

.id-card__stripe {
  height: 0.5rem;
  background: var(--card-accent);
}

.id-card__inner {
  flex: 1;
  padding: clamp(0.75rem, 0.5rem + 1vw, 1.1rem);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(0.6rem, 0.4rem + 1vw, 0.9rem);
  align-content: start;
}

.id-card__photo {
  width: clamp(2.75rem, 2rem + 3vw, 3.5rem);
  aspect-ratio: 3 / 4;
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--card-accent) 12%, #fff);
  border: 1px solid color-mix(in srgb, var(--card-accent) 28%, #fff);
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: clamp(0.9rem, 0.7rem + 1vw, 1.15rem);
  color: var(--card-accent);
  letter-spacing: 0.02em;
}

.id-card__org {
  margin: 0;
  font-size: clamp(0.55rem, 0.5rem + 0.3vw, 0.68rem);
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--c-muted);
  line-height: 1.35;
}

.id-card__name {
  margin: 0.15rem 0 0.1rem;
  font-size: clamp(0.95rem, 0.78rem + 0.8vw, 1.2rem);
  font-weight: 750;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--c-ink);
}

.id-card__role {
  margin: 0;
  font-size: clamp(0.66rem, 0.6rem + 0.3vw, 0.78rem);
  color: var(--c-body);
}

.id-card__foot {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-3);
  padding: 0 clamp(0.75rem, 0.5rem + 1vw, 1.1rem) clamp(0.75rem, 0.5rem + 1vw, 1.1rem);
}

.id-card__label {
  display: block;
  font-size: 0.5rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.id-card__id {
  font-family: var(--font-mono);
  font-size: clamp(0.66rem, 0.6rem + 0.3vw, 0.78rem);
  font-weight: 600;
  color: var(--c-ink-soft);
  letter-spacing: 0.02em;
}

.id-card__barcode {
  display: flex;
  gap: 2px;
  align-items: flex-end;
  height: 1.4rem;
  opacity: 0.72;
}

.id-card__barcode span {
  display: block;
  width: 2px;
  background: var(--c-ink-soft);
  height: 100%;
}

.id-card__barcode span:nth-child(2n) {
  height: 74%;
}

.id-card__barcode span:nth-child(3n) {
  height: 88%;
  width: 1px;
}

.id-card__barcode span:nth-child(5n) {
  height: 60%;
}

/* Faint diagonal watermark so the visuals are unmistakably illustrations and
   can never be mistaken for official documents. */
.id-card__sample {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.38em;
  color: rgba(11, 18, 32, 0.07);
  transform: rotate(-16deg);
  pointer-events: none;
  user-select: none;
  z-index: 3;
}

/* Floating stack used in the hero. */
.card-stage {
  position: relative;
  display: grid;
  place-items: center;
  width: 100%;
  padding-block: var(--space-5);
}

.card-stage__back,
.card-stage__front {
  grid-area: 1 / 1;
}

.card-stage__back {
  width: min(100%, 22rem);
  aspect-ratio: 1.586 / 1;
  border-radius: var(--radius-lg);
  background: linear-gradient(140deg, var(--c-accent-soft), #fff 55%);
  border: 1px solid var(--c-line);
  transform: rotate(-7deg) translate(-1.1rem, 1.4rem) scale(0.94);
  box-shadow: var(--shadow-md);
}

.card-stage__front {
  transform: rotate(1.5deg);
}

/* At phone widths the rotation and the offset back card push the stack past the
   viewport, where it gets clipped. Straighten it and inset it instead. */
@media (max-width: 32rem) {
  .card-stage {
    padding-inline: var(--space-3);
  }

  .card-stage__back {
    transform: rotate(-3deg) translate(-0.4rem, 0.85rem) scale(0.95);
  }

  .card-stage__front {
    transform: none;
  }
}

/* --------------------------------------------------------------------------
   8. Cards / surfaces
   -------------------------------------------------------------------------- */
.card {
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  padding: clamp(1.25rem, 1rem + 1.2vw, 1.75rem);
  box-shadow: var(--shadow-xs);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease),
    transform var(--dur) var(--ease);
}

.card--hover:hover {
  transform: translateY(-2px);
  border-color: var(--c-line-strong);
  box-shadow: var(--shadow-md);
}

.card__icon {
  width: 2.6rem;
  height: 2.6rem;
  border-radius: var(--radius);
  background: var(--c-accent-tint);
  border: 1px solid var(--c-accent-soft);
  color: var(--c-accent);
  display: grid;
  place-items: center;
  margin-bottom: var(--space-4);
}

.card__icon svg {
  width: 1.3rem;
  height: 1.3rem;
}

.card h3 {
  font-size: var(--step-1);
  margin-bottom: var(--space-2);
}

.card p {
  font-size: var(--step-0);
  color: var(--c-body);
  margin-bottom: 0;
}

/* Sample card gallery --------------------------------------------------- */
.card-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr));
  gap: clamp(1.25rem, 0.9rem + 1.6vw, 2rem);
  align-items: start;
}

.card-gallery__item {
  display: grid;
  gap: var(--space-3);
  justify-items: center;
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-xl);
  padding: clamp(1.25rem, 1rem + 1.4vw, 2rem);
}

.card-gallery__caption {
  margin: 0;
  text-align: center;
  font-size: var(--step--1);
  color: var(--c-muted);
}

/* --------------------------------------------------------------------------
   9. Steps (how it works)
   -------------------------------------------------------------------------- */
.steps {
  counter-reset: step;
  display: grid;
  gap: clamp(1rem, 0.6rem + 1.4vw, 1.75rem);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr));
  margin: 0;
  padding: 0;
  list-style: none;
}

.steps > li {
  position: relative;
  margin: 0;
  padding: clamp(1.25rem, 1rem + 1.2vw, 1.75rem);
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs);
}

.step__num {
  display: inline-grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: var(--radius-pill);
  background: var(--c-ink);
  color: #fff;
  font-size: var(--step--1);
  font-weight: 700;
  margin-bottom: var(--space-4);
}

.steps h3 {
  font-size: var(--step-1);
  margin-bottom: var(--space-2);
}

.steps p {
  margin-bottom: 0;
  font-size: var(--step-0);
}

/* --------------------------------------------------------------------------
   10. Badges
   -------------------------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-pill);
  background: var(--c-accent-tint);
  border: 1px solid var(--c-accent-soft);
  color: var(--c-accent);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.badge--planned {
  background: var(--c-planned-bg);
  border-color: var(--c-planned-line);
  color: var(--c-planned-text);
}

.badge--neutral {
  background: var(--c-bg-sunken);
  border-color: var(--c-line);
  color: var(--c-muted);
}

.plan-list {
  display: grid;
  gap: var(--space-4);
  margin: 0;
  padding: 0;
  list-style: none;
}

.plan-list > li {
  margin: 0;
  padding: var(--space-4) 0 0;
  border-top: 1px solid var(--c-line);
}

.plan-list > li:first-child {
  border-top: 0;
  padding-top: 0;
}

.plan-list h3 {
  font-size: var(--step-1);
  margin-bottom: var(--space-2);
}

.plan-list p {
  margin-bottom: 0;
}

.notice {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  background: var(--c-bg-alt);
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-accent);
  border-radius: var(--radius);
  font-size: var(--step-0);
}

.notice p {
  margin: 0;
}

.notice--warn {
  border-left-color: var(--c-planned-line);
  background: var(--c-planned-bg);
}

/* --------------------------------------------------------------------------
   11. App promotion band
   -------------------------------------------------------------------------- */
.promo {
  position: relative;
  overflow: hidden;
}

.promo::before {
  content: "";
  position: absolute;
  inset: -30% -10% auto auto;
  width: 34rem;
  height: 34rem;
  background: radial-gradient(50% 50% at 50% 50%, rgba(45, 212, 191, 0.18), transparent 70%);
  pointer-events: none;
}

.promo__inner {
  position: relative;
  display: grid;
  gap: clamp(2rem, 1.2rem + 3vw, 3.5rem);
  align-items: center;
}

@media (min-width: 58rem) {
  .promo__inner {
    grid-template-columns: minmax(0, 1fr) auto;
  }
}

.promo__list {
  display: grid;
  gap: var(--space-3);
  margin: var(--space-5) 0 0;
  padding: 0;
  list-style: none;
}

.promo__list li {
  display: flex;
  gap: var(--space-3);
  margin: 0;
  color: var(--c-on-dark-muted);
}

.promo__list svg {
  width: 1.15rem;
  height: 1.15rem;
  flex: none;
  margin-top: 0.25rem;
  color: #5eead4;
}

.promo__aside {
  display: grid;
  justify-items: center;
  gap: var(--space-4);
  padding: clamp(1.25rem, 1rem + 1.4vw, 2rem);
  background: rgba(248, 250, 252, 0.06);
  border: 1px solid rgba(248, 250, 252, 0.14);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(6px);
}

.qr {
  width: 9rem;
  height: 9rem;
  padding: var(--space-3);
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
}

.qr svg {
  width: 100%;
  height: 100%;
}

/* The real app icon, used wherever the Android app is being promoted. */
.app-tile {
  width: 5.5rem;
  height: 5.5rem;
  border-radius: 1.25rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(248, 250, 252, 0.18);
}

.app-tile--sm {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 0.8rem;
  box-shadow: var(--shadow-sm);
}

.app-lockup {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  text-align: center;
}

.app-lockup__name {
  margin: 0;
  font-weight: 700;
  color: #fff;
  font-size: var(--step-1);
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.app-lockup__meta {
  margin: 0;
  font-size: var(--step--1);
  color: var(--c-on-dark-muted);
}

/* Inline app lockup used on light backgrounds (features, create). */
.app-inline {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.app-inline__name {
  margin: 0;
  font-weight: 700;
  color: var(--c-ink);
  font-size: var(--step-1);
  letter-spacing: -0.01em;
}

.app-inline__meta {
  margin: 0;
  font-size: var(--step--1);
  color: var(--c-muted);
}

.promo__qr-caption {
  margin: 0;
  font-size: var(--step--1);
  color: var(--c-on-dark-muted);
  text-align: center;
  max-width: 14rem;
}

/* --------------------------------------------------------------------------
   12. Blog preview
   -------------------------------------------------------------------------- */
.post-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr));
  gap: clamp(1.25rem, 0.9rem + 1.6vw, 2rem);
  margin: 0;
  padding: 0;
  list-style: none;
}

.post-list > li {
  margin: 0;
  display: flex;
}

.post-card {
  display: flex;
  flex-direction: column;
  width: 100%;
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xs);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.post-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--c-line-strong);
}

.post-card__media {
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, var(--c-accent-soft), var(--c-bg-sunken));
  display: grid;
  place-items: center;
  color: var(--c-accent);
  overflow: hidden;
}

.post-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.post-card__media svg {
  width: 2.25rem;
  height: 2.25rem;
  opacity: 0.75;
}

.post-card__body {
  padding: clamp(1rem, 0.85rem + 0.8vw, 1.4rem);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  flex: 1;
}

.post-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-3);
  font-size: var(--step--1);
  color: var(--c-muted);
}

.post-card__title {
  margin: 0;
  font-size: var(--step-1);
  line-height: 1.3;
}

.post-card__title a {
  color: var(--c-ink);
  text-decoration: none;
}

.post-card__title a:hover {
  color: var(--c-accent);
}

.post-card__excerpt {
  margin: 0;
  font-size: var(--step-0);
  color: var(--c-body);
}

.post-card__more {
  margin-top: auto;
  padding-top: var(--space-3);
  font-size: var(--step--1);
  font-weight: 650;
}

.empty-state {
  padding: clamp(1.5rem, 1rem + 2vw, 2.5rem);
  text-align: center;
  background: var(--c-bg-alt);
  border: 1px dashed var(--c-line-strong);
  border-radius: var(--radius-lg);
}

.empty-state p {
  margin-bottom: var(--space-4);
  color: var(--c-body);
}

/* --------------------------------------------------------------------------
   13. FAQ
   -------------------------------------------------------------------------- */
.faq {
  display: grid;
  gap: var(--space-3);
  margin: 0;
}

.faq details {
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 0 var(--space-5);
  box-shadow: var(--shadow-xs);
  transition: border-color var(--dur) var(--ease);
}

.faq details[open] {
  border-color: var(--c-line-strong);
}

.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) 0;
  cursor: pointer;
  list-style: none;
  color: var(--c-ink);
  font-size: var(--step-1);
  font-weight: 650;
  letter-spacing: -0.01em;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary:hover {
  color: var(--c-accent);
}

.faq summary::after {
  content: "";
  flex: none;
  width: 0.6rem;
  height: 0.6rem;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translateY(-0.15rem);
  transition: transform var(--dur) var(--ease);
}

.faq details[open] summary::after {
  transform: rotate(225deg) translateY(-0.15rem);
}

.faq__answer {
  padding-bottom: var(--space-5);
  margin: 0;
  color: var(--c-body);
  max-width: 62ch;
}

/* --------------------------------------------------------------------------
   14. Call to action
   -------------------------------------------------------------------------- */
.cta-panel {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
  padding: clamp(2rem, 1.4rem + 3.4vw, 4rem);
  background: var(--c-ink);
  color: var(--c-on-dark);
  text-align: center;
}

.cta-panel::before {
  content: "";
  position: absolute;
  inset: auto -10% -60% 20%;
  height: 24rem;
  background: radial-gradient(50% 50% at 50% 50%, rgba(45, 212, 191, 0.22), transparent 70%);
}

.cta-panel > * {
  position: relative;
}

.cta-panel h2 {
  color: #fff;
  max-width: 34rem;
  margin-inline: auto;
}

.cta-panel p {
  color: var(--c-on-dark-muted);
  max-width: 36rem;
  margin-inline: auto;
  font-size: var(--step-1);
}

.cta-panel .cluster {
  justify-content: center;
  margin-top: var(--space-6);
}

/* --------------------------------------------------------------------------
   15. Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--c-bg-alt);
  border-top: 1px solid var(--c-line);
  padding-block: clamp(2.5rem, 2rem + 2vw, 3.5rem) var(--space-6);
  font-size: var(--step--1);
}

.site-footer__grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: minmax(0, 1.6fr) repeat(auto-fit, minmax(8rem, 1fr));
}

@media (max-width: 44rem) {
  .site-footer__grid {
    grid-template-columns: repeat(auto-fit, minmax(8rem, 1fr));
  }
}

.site-footer__brand p {
  max-width: 24rem;
  color: var(--c-muted);
}

.site-footer h2,
.site-footer h3 {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-muted);
  margin-bottom: var(--space-3);
}

.site-footer ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-footer li + li {
  margin-top: var(--space-2);
}

.site-footer a {
  color: var(--c-ink-soft);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--c-accent);
  text-decoration: underline;
}

.site-footer__bottom {
  margin-top: var(--space-7);
  padding-top: var(--space-5);
  border-top: 1px solid var(--c-line);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-5);
  align-items: center;
  justify-content: space-between;
  color: var(--c-muted);
}

.site-footer__bottom p {
  margin: 0;
}

/* --------------------------------------------------------------------------
   16. Prose (legal and long-form pages)
   -------------------------------------------------------------------------- */
.prose {
  max-width: 68ch;
}

.prose h2 {
  font-size: var(--step-2);
  margin-top: var(--space-8);
  margin-bottom: var(--space-4);
}

.prose h2:first-child {
  margin-top: 0;
}

.prose h3 {
  font-size: var(--step-1);
  margin-top: var(--space-6);
  margin-bottom: var(--space-3);
}

.prose ul,
.prose ol {
  padding-left: 1.35rem;
}

.prose li {
  margin-bottom: var(--space-2);
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-5) 0;
  font-size: var(--step-0);
}

.prose th,
.prose td {
  text-align: left;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--c-line);
  vertical-align: top;
}

.prose th {
  background: var(--c-bg-alt);
  font-weight: 650;
  color: var(--c-ink);
}

.prose__meta {
  color: var(--c-muted);
  font-size: var(--step--1);
}

/* Page header used by inner pages --------------------------------------- */
.page-header {
  padding-block: clamp(2.5rem, 2rem + 3vw, 4.5rem) clamp(1.5rem, 1.2rem + 1.4vw, 2.5rem);
  border-bottom: 1px solid var(--c-line);
  background: linear-gradient(180deg, var(--c-bg-alt), #fff);
}

.page-header h1 {
  max-width: 42rem;
}

.page-header p {
  max-width: 46rem;
  font-size: var(--step-1);
  margin-bottom: 0;
}

.breadcrumbs {
  margin-bottom: var(--space-4);
  font-size: var(--step--1);
  color: var(--c-muted);
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
  margin: 0;
  padding: 0;
  list-style: none;
}

.breadcrumbs li {
  margin: 0;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.breadcrumbs li + li::before {
  content: "/";
  color: var(--c-line-strong);
}

.breadcrumbs a {
  color: var(--c-muted);
  text-decoration: none;
}

.breadcrumbs a:hover {
  color: var(--c-accent);
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   17. Forms
   -------------------------------------------------------------------------- */
.form {
  display: grid;
  gap: var(--space-5);
}

.field {
  display: grid;
  gap: var(--space-2);
}

.field label {
  font-size: var(--step--1);
  font-weight: 650;
  color: var(--c-ink);
}

.field .hint {
  font-size: var(--step--1);
  color: var(--c-muted);
}

.field input,
.field textarea,
.field select {
  width: 100%;
  padding: 0.7em 0.9em;
  font: inherit;
  font-size: var(--step-0);
  color: var(--c-ink);
  background: #fff;
  border: 1px solid var(--c-line-strong);
  border-radius: var(--radius-sm);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.field textarea {
  min-height: 9rem;
  resize: vertical;
}

.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: none;
  border-color: var(--c-accent);
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.18);
}

.field input:focus-visible,
.field textarea:focus-visible,
.field select:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 1px;
}

/* Honeypot for the contact form: hidden from humans, visible to bots. */
.field--hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* --------------------------------------------------------------------------
   17b. Chips / tag list
   -------------------------------------------------------------------------- */
.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.chip-list li {
  margin: 0;
  padding: 0.45rem 0.9rem;
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-pill);
  font-size: var(--step--1);
  font-weight: 600;
  color: var(--c-ink-soft);
}

.stat-list {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 12rem), 1fr));
  margin: 0;
  padding: 0;
  list-style: none;
}

.stat-list > li {
  margin: 0;
  padding-left: var(--space-4);
  border-left: 3px solid var(--c-accent-soft);
}

.stat-list strong {
  display: block;
  font-size: var(--step-2);
  color: var(--c-ink);
  line-height: 1.2;
}

.stat-list span {
  font-size: var(--step--1);
  color: var(--c-muted);
}

/* --------------------------------------------------------------------------
   18. Utilities
   -------------------------------------------------------------------------- */
.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.text-center {
  text-align: center;
}

.mt-6 {
  margin-top: var(--space-6);
}

.mb-3 {
  margin-bottom: var(--space-3);
}

.mt-7 {
  margin-top: var(--space-7);
}

.mt-8 {
  margin-top: var(--space-8);
}

.stack > * + * {
  margin-top: var(--space-4);
}

.divider {
  height: 1px;
  background: var(--c-line);
  border: 0;
  margin-block: clamp(2rem, 1.5rem + 2vw, 3rem);
}

/* --------------------------------------------------------------------------
   19. Motion preferences
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  .btn:hover,
  .card--hover:hover,
  .post-card:hover {
    transform: none;
  }
}

/* Subtle entrance animation, disabled for reduced motion via the block above. */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    animation: reveal-up 600ms var(--ease) both;
  }

  .reveal--delay {
    animation-delay: 90ms;
  }
}

@keyframes reveal-up {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}