/*
 * One stylesheet, served from this origin, for every page.
 *
 * Nothing here is fetched from anywhere else. No web font, no icon set, no analytics, no CDN —
 * a person reading the privacy policy should not have their visit reported to a third party by
 * the act of reading it, and a site that says "no tracking" while loading a font from another
 * company is not telling the truth. The type is whatever the reader's own system provides, and
 * every icon is an inline SVG in the page.
 *
 * Both colour schemes are defined here rather than left to the browser's default inversion, so
 * the legal text has the contrast it was checked at in either one.
 */

:root {
  --ink: #0f1424;
  --ink-soft: #4b5468;
  --ink-faint: #7d8597;
  --paper: #f6f7fb;
  --panel: #ffffff;
  --rule: #e2e5ee;
  --rule-strong: #cdd2df;
  --accent: #2f5bff;
  --accent-deep: #1d3fd6;
  --accent-ink: #ffffff;
  --accent-wash: rgba(47, 91, 255, 0.08);
  --mint: #12b58f;
  --hero-a: #0f1424;
  --hero-b: #1a2450;
  --hero-ink: #f4f6ff;
  --hero-soft: #b7c0e6;
  --shadow: 0 1px 2px rgba(15, 20, 36, 0.05), 0 12px 32px -16px rgba(15, 20, 36, 0.25);
  --radius: 16px;
  --measure: 42rem;
  --wide: 72rem;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e9ecf5;
    --ink-soft: #aab2c6;
    --ink-faint: #7f889d;
    --paper: #0b0e16;
    --panel: #121723;
    --rule: #232a3b;
    --rule-strong: #303a50;
    --accent: #8aa6ff;
    --accent-deep: #a9bdff;
    --accent-ink: #0b0e16;
    --accent-wash: rgba(138, 166, 255, 0.12);
    --mint: #3ad0ac;
    --hero-a: #0b0e16;
    --hero-b: #151d3d;
    --hero-ink: #f4f6ff;
    --hero-soft: #aeb8e0;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 16px 40px -18px rgba(0, 0, 0, 0.7);
  }
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.16em;
}

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

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

.skip {
  position: absolute;
  left: -9999px;
}

.skip:focus {
  position: fixed;
  left: 1rem;
  top: 1rem;
  z-index: 100;
  background: var(--panel);
  padding: 0.6rem 0.9rem;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.wrap {
  width: 100%;
  max-width: var(--wide);
  margin: 0 auto;
  padding: 0 1rem;
}

/* ---------------------------------------------------------------- header */

header.bar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--paper) 86%, transparent);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--rule);
}

header.bar .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4rem;
}

.mark {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
}

.mark svg {
  width: 30px;
  height: 30px;
  flex: none;
}

nav.bar-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.15rem 0.25rem;
  font-size: 0.95rem;
}

nav.bar-nav a {
  color: var(--ink-soft);
  text-decoration: none;
  padding: 0.45rem 0.7rem;
  border-radius: 999px;
}

nav.bar-nav a:hover {
  color: var(--ink);
  background: var(--accent-wash);
}

nav.bar-nav a[aria-current="page"] {
  color: var(--accent-ink);
  background: var(--accent);
}

@media (max-width: 40rem) {
  header.bar .wrap {
    flex-wrap: wrap;
    padding-top: 0.6rem;
    padding-bottom: 0.6rem;
    min-height: 0;
  }

  nav.bar-nav {
    width: 100%;
    justify-content: flex-start;
    margin-left: -0.6rem;
    font-size: 0.92rem;
  }

  nav.bar-nav a {
    padding: 0.35rem 0.6rem;
  }
}

/* ------------------------------------------------------------------ hero */

.hero {
  background:
    radial-gradient(60rem 30rem at 80% -20%, rgba(47, 91, 255, 0.45), transparent 60%),
    radial-gradient(40rem 24rem at 0% 120%, rgba(18, 181, 143, 0.28), transparent 60%),
    linear-gradient(160deg, var(--hero-a), var(--hero-b));
  color: var(--hero-ink);
  padding: 4rem 0 4.5rem;
  overflow: hidden;
}

.hero .wrap {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}

.hero .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--hero-soft);
  margin: 0 0 1.1rem;
}

.hero .eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 4px rgba(18, 181, 143, 0.25);
}

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 3.6rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 0 0 1.1rem;
  max-width: 14ch;
}

.hero .lede {
  font-size: 1.2rem;
  line-height: 1.55;
  color: var(--hero-soft);
  max-width: 34rem;
  margin: 0 0 1.8rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.25rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.98rem;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform 120ms ease, background 120ms ease;
}

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

.button.primary {
  background: #ffffff;
  color: #0f1424;
}

.button.primary:hover {
  background: #e9edff;
  color: #0f1424;
}

.button.ghost {
  color: var(--hero-ink);
  border-color: rgba(255, 255, 255, 0.28);
}

.button.ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--hero-ink);
}

.hero-art {
  justify-self: center;
  width: min(100%, 22rem);
}

.hero-art svg {
  width: 100%;
  height: auto;
  display: block;
  filter: drop-shadow(0 30px 40px rgba(0, 0, 0, 0.35));
}

@media (min-width: 56rem) {
  .hero {
    padding: 5.5rem 0 6rem;
  }

  .hero .wrap {
    grid-template-columns: 1.15fr 0.85fr;
  }

  .hero-art {
    justify-self: end;
    width: min(100%, 26rem);
  }
}

/* --------------------------------------------------------------- cards */

.pillars {
  margin-top: -2.75rem;
  position: relative;
  z-index: 1;
}

.card-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 44rem) {
  .card-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  background: var(--panel);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 1.35rem 1.35rem 1.25rem;
  box-shadow: var(--shadow);
}

.card .icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--accent-wash);
  color: var(--accent);
  margin-bottom: 0.9rem;
}

.card .icon svg {
  width: 22px;
  height: 22px;
}

.card h3 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.97rem;
}

/* ------------------------------------------------------------- sections */

main {
  padding: 0 0 1rem;
}

.section {
  padding: 2.5rem 0;
}

.section + .section {
  border-top: 1px solid var(--rule);
}

.section .wrap {
  max-width: var(--measure);
}

.section-head {
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
  margin: 0 0 0.75rem;
}

.section-head .num {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 0.06em;
}

h1 {
  font-size: 2rem;
  line-height: 1.15;
  margin: 0 0 0.5rem;
  letter-spacing: -0.025em;
}

.lede {
  font-size: 1.18rem;
  line-height: 1.55;
  color: var(--ink-soft);
  margin: 0 0 1.5rem;
}

h2 {
  font-size: 1.45rem;
  line-height: 1.25;
  margin: 2.5rem 0 0.7rem;
  letter-spacing: -0.02em;
}

h3 {
  font-size: 1.05rem;
  margin: 1.5rem 0 0.35rem;
}

p,
ul,
ol,
dl {
  margin: 0 0 1rem;
}

ul,
ol {
  padding-left: 1.3rem;
}

li {
  margin-bottom: 0.45rem;
}

li::marker {
  color: var(--accent);
}

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

code {
  font-family: var(--mono);
  font-size: 0.95em;
  background: var(--accent-wash);
  padding: 0.15em 0.4em;
  border-radius: 6px;
}

dl {
  display: grid;
  gap: 0;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
}

dt {
  font-weight: 650;
  padding: 0.95rem 1.15rem 0;
}

dd {
  margin: 0;
  padding: 0.25rem 1.15rem 0.95rem;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--rule);
}

dd:last-child {
  border-bottom: 0;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 1.25rem 1.4rem;
  margin: 0 0 1.5rem;
  box-shadow: var(--shadow);
}

.panel h2 {
  margin-top: 0;
  font-size: 1.15rem;
}

.panel dl {
  border: 0;
  background: transparent;
  box-shadow: none;
}

.panel dt {
  padding-left: 0;
  padding-right: 0;
}

.panel dd {
  padding-left: 0;
  padding-right: 0;
}

p.panel {
  padding: 1rem 1.25rem;
  font-size: 1.05rem;
}

p.panel code {
  background: transparent;
  padding: 0;
  font-size: 1rem;
}

.callout {
  border-left: 4px solid var(--accent);
  background: var(--accent-wash);
  border-radius: 0 12px 12px 0;
  padding: 1rem 1.2rem;
  margin: 0 0 1.5rem;
}

.callout p:last-child {
  margin-bottom: 0;
}

/* --------------------------------------------------------- legal pages */

.page-head {
  background: var(--panel);
  border-bottom: 1px solid var(--rule);
  padding: 3rem 0 2.25rem;
}

.page-head .wrap {
  max-width: var(--wide);
}

.page-head h1 {
  font-size: clamp(2rem, 4.5vw, 2.8rem);
}

.page-head .lede {
  max-width: 42rem;
  margin-bottom: 1rem;
}

.stamp {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--ink-soft);
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  background: var(--accent-wash);
  border-radius: 999px;
  padding: 0.35rem 0.8rem;
  margin: 0;
}

.stamp::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--mint);
}

.doc {
  display: grid;
  gap: 2rem;
  align-items: start;
  padding-top: 2.5rem;
}

.doc .article {
  max-width: var(--measure);
  min-width: 0;
}

.toc {
  order: -1;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 1rem 1.1rem;
}

.toc-title {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 0.6rem;
}

.toc ol {
  list-style: none;
  padding: 0;
  margin: 0;
  columns: 2;
  column-gap: 1.5rem;
}

.toc li {
  margin: 0;
  break-inside: avoid;
}

.toc a {
  display: block;
  padding: 0.3rem 0;
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.93rem;
  border-left: 2px solid transparent;
}

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

@media (min-width: 64rem) {
  .doc {
    grid-template-columns: 15rem minmax(0, var(--measure));
    gap: 3.5rem;
  }

  .toc {
    order: 0;
    position: sticky;
    top: 5.25rem;
    border: 0;
    background: transparent;
    padding: 0;
  }

  .toc ol {
    columns: 1;
  }

  .toc a {
    padding-left: 0.85rem;
    margin-left: -0.85rem;
  }

  .toc a:hover {
    border-left-color: var(--accent);
  }
}

.article h2 {
  padding-top: 0.5rem;
}

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

/* --------------------------------------------------------------- footer */

footer.bar {
  margin-top: 4rem;
  background: var(--panel);
  border-top: 1px solid var(--rule);
}

footer.bar .wrap {
  display: grid;
  gap: 1.5rem;
  padding-top: 2.5rem;
  padding-bottom: 2.5rem;
}

@media (min-width: 44rem) {
  footer.bar .wrap {
    grid-template-columns: 1.4fr 1fr 1fr;
  }
}

footer p {
  color: var(--ink-soft);
  font-size: 0.93rem;
  margin: 0.4rem 0 0;
}

footer .mark {
  font-size: 1rem;
}

footer .col-title {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 0.5rem;
}

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

footer li {
  margin: 0 0 0.35rem;
}

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

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

.fill {
  font-weight: 600;
  background: var(--accent-wash);
  border-bottom: 2px solid var(--accent);
  padding: 0 0.15em;
}

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

  .button {
    transition: none;
  }
}

/* =========================================================== home: hero xl */

.hero-xl {
  padding: 4.5rem 0 7rem;
}

.hero-xl .wrap {
  gap: 3rem;
}

.hero-points {
  list-style: none;
  padding: 0;
  margin: 2rem 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.4rem;
  color: var(--hero-soft);
  font-size: 0.95rem;
  font-weight: 500;
}

.hero-points li {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.hero-points li::before {
  content: "\2713";
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--mint);
  color: #06261e;
  font-size: 0.7rem;
  font-weight: 800;
  display: grid;
  place-items: center;
  flex: none;
}

@media (min-width: 56rem) {
  .hero-xl {
    padding: 6rem 0 8.5rem;
  }

  .hero-xl .wrap {
    grid-template-columns: 1.05fr 0.95fr;
  }
}

/* ------------------------------------------------------------ the phone */

.phone-stage {
  position: relative;
  justify-self: center;
  width: min(100%, 24rem);
  padding: 1.5rem 0 0;
}

.glow {
  position: absolute;
  inset: 10% -10% -10% -10%;
  background:
    radial-gradient(closest-side at 50% 45%, rgba(47, 91, 255, 0.55), transparent 70%),
    radial-gradient(closest-side at 70% 80%, rgba(18, 181, 143, 0.35), transparent 70%);
  filter: blur(20px);
  z-index: 0;
}

.phone {
  position: relative;
  z-index: 1;
  width: 17rem;
  margin: 0 auto;
  aspect-ratio: 9 / 18.6;
  background: #0b0e16;
  border-radius: 2.6rem;
  padding: 0.55rem;
  box-shadow:
    0 0 0 2px rgba(255, 255, 255, 0.08),
    0 40px 80px -30px rgba(0, 0, 0, 0.7),
    inset 0 0 0 1px rgba(255, 255, 255, 0.04);
  transform: rotate(-4deg);
}

.phone-notch {
  position: absolute;
  top: 0.95rem;
  left: 50%;
  width: 6.2rem;
  height: 1.55rem;
  transform: translateX(-50%);
  background: #0b0e16;
  border-radius: 999px;
  z-index: 3;
}

.phone-screen {
  position: relative;
  height: 100%;
  border-radius: 2.1rem;
  background: #f4f6fb;
  color: #0f1424;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  font-size: 0.8rem;
}

.chat-top {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 2.5rem 0.9rem 0.7rem;
  background: #ffffff;
  border-bottom: 1px solid #e6e9f2;
}

.avatar {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: linear-gradient(135deg, #2f5bff, #7d9cff);
  color: #fff;
  font-weight: 700;
  display: grid;
  place-items: center;
  font-size: 0.85rem;
}

.chat-name {
  display: flex;
  flex-direction: column;
  font-weight: 650;
  line-height: 1.15;
  flex: 1;
}

.chat-name small {
  font-weight: 500;
  font-size: 0.66rem;
  color: #12b58f;
}

.chat-lock {
  color: #12b58f;
  width: 1.1rem;
  height: 1.1rem;
}

.chat-lock svg {
  width: 100%;
  height: 100%;
}

.chat-body {
  flex: 1;
  padding: 0.8rem 0.7rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  background:
    radial-gradient(circle at 20% 10%, rgba(47, 91, 255, 0.06), transparent 40%),
    #f4f6fb;
}

.chat-body .sys {
  align-self: center;
  margin: 0 0 0.4rem;
  font-size: 0.64rem;
  line-height: 1.35;
  color: #5b6478;
  background: #fff4d6;
  border-radius: 10px;
  padding: 0.4rem 0.6rem;
  text-align: center;
  max-width: 88%;
}

.msg {
  margin: 0;
  max-width: 78%;
  padding: 0.5rem 0.7rem;
  border-radius: 16px;
  line-height: 1.3;
  font-size: 0.78rem;
  box-shadow: 0 1px 1px rgba(15, 20, 36, 0.06);
}

.msg.in {
  align-self: flex-start;
  background: #ffffff;
  border-bottom-left-radius: 5px;
}

.msg.out {
  align-self: flex-end;
  background: #2f5bff;
  color: #ffffff;
  border-bottom-right-radius: 5px;
}

.msg .tick {
  font-size: 0.65rem;
  opacity: 0.8;
  margin-left: 0.3rem;
  letter-spacing: -0.15em;
}

.msg.typing {
  display: inline-flex;
  gap: 0.25rem;
  padding: 0.6rem 0.75rem;
}

.msg.typing span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #aab2c6;
  animation: blink 1.2s infinite ease-in-out;
}

.msg.typing span:nth-child(2) { animation-delay: 0.2s; }
.msg.typing span:nth-child(3) { animation-delay: 0.4s; }

@keyframes blink {
  0%, 80%, 100% { opacity: 0.3; transform: translateY(0); }
  40% { opacity: 1; transform: translateY(-2px); }
}

.chat-input {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.7rem 1.1rem;
  background: #ffffff;
  border-top: 1px solid #e6e9f2;
  color: #8a93a8;
  font-size: 0.78rem;
}

.chat-input span:first-child {
  flex: 1;
  background: #f0f2f8;
  border-radius: 999px;
  padding: 0.45rem 0.8rem;
}

.chat-input .send {
  width: 1.9rem;
  height: 1.9rem;
  border-radius: 50%;
  background: #2f5bff;
  position: relative;
}

.chat-input .send::after {
  content: "";
  position: absolute;
  left: 0.62rem;
  top: 0.55rem;
  width: 0.55rem;
  height: 0.55rem;
  border-top: 2px solid #fff;
  border-right: 2px solid #fff;
  transform: rotate(-45deg);
}

.float-badge {
  position: absolute;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #ffffff;
  color: #0f1424;
  font-weight: 650;
  font-size: 0.85rem;
  padding: 0.55rem 0.8rem 0.55rem 0.6rem;
  border-radius: 999px;
  box-shadow: 0 18px 40px -18px rgba(0, 0, 0, 0.6);
}

.float-badge svg {
  width: 1.5rem;
  height: 1.5rem;
  padding: 0.25rem;
  border-radius: 50%;
  background: var(--accent-wash);
  color: var(--accent);
}

.badge-a {
  right: -0.25rem;
  top: 4.5rem;
}

.badge-a svg {
  background: rgba(18, 181, 143, 0.15);
  color: #12b58f;
}

.badge-b {
  left: -0.5rem;
  bottom: 3.5rem;
}

@media (min-width: 56rem) {
  .phone-stage {
    justify-self: end;
    width: 26rem;
  }

  .phone {
    width: 18.5rem;
  }

  .badge-a {
    right: 0;
  }

  .badge-b {
    left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .msg.typing span {
    animation: none;
    opacity: 0.6;
  }
}

/* --------------------------------------------------------- feature rows */

.feature {
  padding: 4.5rem 0;
}

.tint-mint {
  background: linear-gradient(180deg, rgba(18, 181, 143, 0.08), rgba(18, 181, 143, 0.02));
}

.tint-lavender {
  background: linear-gradient(180deg, rgba(47, 91, 255, 0.07), rgba(47, 91, 255, 0.015));
}

.feature-row {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}

.feature-copy {
  max-width: 34rem;
}

.feature-copy h2 {
  font-size: clamp(1.7rem, 3.4vw, 2.35rem);
  line-height: 1.12;
  letter-spacing: -0.028em;
  margin: 0.35rem 0 1rem;
}

.kicker {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0;
}

.feature-art {
  position: relative;
}

.feature-art svg {
  width: 100%;
  height: auto;
  display: block;
}

@media (min-width: 56rem) {
  .feature {
    padding: 6rem 0;
  }

  .feature-row {
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
  }

  .feature-row.reverse .feature-art {
    order: 2;
  }

  .feature-row.reverse .feature-copy {
    justify-self: end;
  }
}

.check-list {
  list-style: none;
  padding: 0;
}

.check-list li {
  position: relative;
  padding-left: 2rem;
  margin-bottom: 0.7rem;
}

.check-list li::before {
  content: "\2713";
  position: absolute;
  left: 0;
  top: 0.15rem;
  width: 1.3rem;
  height: 1.3rem;
  border-radius: 50%;
  background: var(--mint);
  color: #06261e;
  font-size: 0.8rem;
  font-weight: 800;
  display: grid;
  place-items: center;
}

/* the SMS mockup */

.art-sms {
  display: grid;
  place-items: center;
  padding: 1rem 0;
}

.mini-phone {
  width: min(100%, 18rem);
  aspect-ratio: 9 / 13;
  background: linear-gradient(160deg, #0f1424, #1a2450);
  border-radius: 2.2rem;
  padding: 1.6rem 1rem 1rem;
  position: relative;
  box-shadow: 0 30px 60px -28px rgba(15, 20, 36, 0.6);
}

.mini-status {
  width: 5rem;
  height: 0.5rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.18);
  margin: 0 auto 1.6rem;
}

.sms-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.15rem 0.6rem;
  background: rgba(255, 255, 255, 0.96);
  color: #0f1424;
  border-radius: 18px;
  padding: 0.9rem 1rem;
  box-shadow: 0 14px 30px -18px rgba(0, 0, 0, 0.5);
}

.sms-from {
  font-weight: 700;
  font-size: 0.85rem;
}

.sms-time {
  font-size: 0.72rem;
  color: #7d8597;
}

.sms-text {
  grid-column: 1 / -1;
  font-family: var(--mono);
  font-size: 0.86rem;
  line-height: 1.4;
}

.sms-lines {
  display: grid;
  gap: 0.6rem;
  margin-top: 1.2rem;
}

.sms-lines span {
  display: block;
  height: 2.6rem;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.07);
}

/* the flow diagram */

.flow {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.75rem;
}

.flow li {
  display: grid;
  grid-template-columns: 2.4rem 1fr;
  grid-template-rows: auto auto;
  column-gap: 0.9rem;
  align-items: center;
  background: var(--panel);
  border: 1px solid var(--rule);
  border-radius: 16px;
  padding: 0.85rem 1rem;
  margin: 0;
  box-shadow: var(--shadow);
  position: relative;
}

.flow li + li::before {
  content: "";
  position: absolute;
  left: 2.15rem;
  top: -0.85rem;
  height: 0.75rem;
  width: 2px;
  background: var(--rule-strong);
}

.flow-dot {
  grid-row: 1 / span 2;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, #2f5bff, #7d9cff);
}

.flow li:nth-child(2) .flow-dot {
  background: linear-gradient(135deg, #12b58f, #3ad0ac);
}

.flow-label {
  font-weight: 650;
}

.flow-note {
  color: var(--ink-soft);
  font-size: 0.92rem;
}

/* the browser mockup */

.browser {
  background: var(--panel);
  border: 1px solid var(--rule);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow);
  max-width: 26rem;
  margin: 0 auto;
}

.browser-bar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.7rem 0.9rem;
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
}

.browser-bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--rule-strong);
}

.browser-bar em {
  margin-left: auto;
  margin-right: auto;
  font-style: normal;
  font-size: 0.8rem;
  color: var(--ink-soft);
  background: var(--panel);
  border: 1px solid var(--rule);
  border-radius: 999px;
  padding: 0.15rem 0.9rem;
}

.browser-body {
  padding: 1.4rem 1.2rem 1.2rem;
}

.browser-line {
  height: 0.75rem;
  border-radius: 999px;
  background: var(--rule);
  margin-bottom: 0.7rem;
}

.w60 { width: 60%; }
.w90 { width: 90%; }
.w75 { width: 75%; }

.browser-stamp {
  margin-top: 1.2rem;
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 650;
  color: #0f7a61;
  background: rgba(18, 181, 143, 0.14);
  border-radius: 999px;
  padding: 0.35rem 0.8rem;
}

@media (prefers-color-scheme: dark) {
  .browser-stamp {
    color: #3ad0ac;
  }
}

/* ------------------------------------------------------- operator band */

.operator {
  padding: 2rem 0 1rem;
}

.operator-card {
  display: grid;
  gap: 1.5rem;
  align-items: center;
  background: linear-gradient(160deg, var(--hero-a), var(--hero-b));
  color: var(--hero-ink);
  border-radius: 28px;
  padding: 2.5rem 2rem;
  box-shadow: var(--shadow);
}

.operator-card .kicker {
  color: var(--mint);
}

.operator-card h2 {
  margin: 0.4rem 0 0.6rem;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  letter-spacing: -0.025em;
}

.operator-card p {
  color: var(--hero-soft);
  margin: 0;
}

.operator-card a {
  color: #ffffff;
}

.operator-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.button.solid {
  background: var(--mint);
  color: #06261e;
}

.button.solid:hover {
  background: #3ad0ac;
  color: #06261e;
}

.button.outline {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.3);
}

.button.outline:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
}

@media (min-width: 56rem) {
  .operator-card {
    grid-template-columns: 1.4fr auto;
    padding: 3rem 3rem;
  }
}