/* ============================================================
   슬쩍 — /apps/katalk_keeper/
   Night palette from the app's own dark theme (roasted-espresso
   surfaces, lib/theme/app_theme.dart) with the icon's yellow kept
   as the one sly accent. Light theme = the app's light theme: warm
   paper, espresso ink, yellow only ever as a fill.
   Type: Orbit (display, clock, numerals) + Gothic A1 (text).
   ============================================================ */

/* ---------- Tokens -------------------------------------------- */

:root {
  color-scheme: dark;

  /* site chrome tokens, tuned to the page */
  --bg: #14100d;
  --bg-raised: #1e1814;
  --bg-inset: #100c0a;
  --bg-hover: #29211c;
  --line: #362c26;
  --line-strong: #4b3e36;
  --fg: #f7efe4;
  --fg-muted: #bfb1a2;
  --fg-faint: #958677;
  --accent: #fde524;
  --accent-strong: #fff07a;
  --accent-ink: #40251a;
  --accent-soft: rgba(253, 229, 36, 0.12);

  /* page */
  --k-peek: #fde524;
  --k-espresso: #40251a;
  --k-cream: #fdf5e2;
  --k-ink: #2b1b14;
  --k-glow: rgba(253, 229, 36, 0.11);
  --k-glow-strong: rgba(253, 229, 36, 0.32);
  --k-btn-bg: #fde524;
  --k-btn-fg: #40251a;
  --k-one-fg: #fde524;
  --k-one-bg: transparent;
  --k-ring: rgba(253, 229, 36, 0.7);
  --k-eye-line: transparent;
  --k-eye-glow: drop-shadow(0 0 14px rgba(253, 245, 226, 0.16));

  /* 슬쩍 screen inside the demo phone (app dark theme) */
  --k-scr-bg: #14100d;
  --k-scr-fg: #f7efe4;
  --k-scr-muted: #bfb1a2;
  --k-surface-2: #29211c;
  --k-bubble: #2a211c;
  --k-bubble-line: #3a2e27;

  /* a neutral, generic chat room — deliberately not any real messenger */
  --k-room-bg: #1c1d20;
  --k-room-line: #2c2e32;
  --k-room-bubble: #2f3135;
  --k-room-fg: #ececee;
  --k-room-muted: #a0a3a9;
  --k-their-bubble: #3a3c41;

  /* deleted-message treatment (app: deleted / deletedContainer) */
  --k-rose: #ff7a90;
  --k-on-rose: #3d0812;
  --k-rose-bg: #3b1d25;
  --k-rose-fg: #ffc4cf;

  --k-display: "Orbit", "Gothic A1", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  --k-text: "Gothic A1", "Apple SD Gothic Neo", "Malgun Gothic", -apple-system, sans-serif;
  --k-wrap: 1160px;
  --k-spring: cubic-bezier(0.2, 0.9, 0.25, 1.12);
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    color-scheme: light;
    --bg: #fbf6ea;
    --bg-raised: #fffdf8;
    --bg-inset: #f3ead7;
    --bg-hover: #eee3cc;
    --line: #e4d8c0;
    --line-strong: #cdbb9c;
    --fg: #2b1b14;
    --fg-muted: #6e5d52;
    --fg-faint: #735f54;
    --accent: #40251a;
    --accent-strong: #2b1b14;
    --accent-ink: #fde524;
    --accent-soft: rgba(64, 37, 26, 0.08);
    --k-glow: rgba(253, 229, 36, 0.3);
    --k-glow-strong: rgba(64, 37, 26, 0.3);
    --k-btn-bg: #40251a;
    --k-btn-fg: #fde524;
    --k-one-fg: #40251a;
    --k-one-bg: #fde524;
    --k-ring: rgba(64, 37, 26, 0.55);
    --k-eye-line: #40251a;
    --k-eye-glow: none;
    --k-scr-bg: #fbf6ea;
    --k-scr-fg: #2b1b14;
    --k-scr-muted: #6e5d52;
    --k-surface-2: #f3ead7;
    --k-bubble: #fffdf8;
    --k-bubble-line: #efe6d3;
    --k-room-bg: #ebecee;
    --k-room-line: #d9dbdf;
    --k-room-bubble: #ffffff;
    --k-room-fg: #1d1d1f;
    --k-room-muted: #5f6268;
    --k-their-bubble: #d6d8dc;
    --k-rose: #b81e3e;
    --k-on-rose: #ffffff;
    --k-rose-bg: #fdecef;
    --k-rose-fg: #9e1633;
  }
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #fbf6ea;
  --bg-raised: #fffdf8;
  --bg-inset: #f3ead7;
  --bg-hover: #eee3cc;
  --line: #e4d8c0;
  --line-strong: #cdbb9c;
  --fg: #2b1b14;
  --fg-muted: #6e5d52;
  --fg-faint: #735f54;
  --accent: #40251a;
  --accent-strong: #2b1b14;
  --accent-ink: #fde524;
  --accent-soft: rgba(64, 37, 26, 0.08);
  --k-glow: rgba(253, 229, 36, 0.3);
  --k-glow-strong: rgba(64, 37, 26, 0.3);
  --k-btn-bg: #40251a;
  --k-btn-fg: #fde524;
  --k-one-fg: #40251a;
  --k-one-bg: #fde524;
  --k-ring: rgba(64, 37, 26, 0.55);
  --k-eye-line: #40251a;
  --k-eye-glow: none;
  --k-scr-bg: #fbf6ea;
  --k-scr-fg: #2b1b14;
  --k-scr-muted: #6e5d52;
  --k-surface-2: #f3ead7;
  --k-bubble: #fffdf8;
  --k-bubble-line: #efe6d3;
  --k-room-bg: #ebecee;
  --k-room-line: #d9dbdf;
  --k-room-bubble: #ffffff;
  --k-room-fg: #1d1d1f;
  --k-room-muted: #5f6268;
  --k-their-bubble: #d6d8dc;
  --k-rose: #b81e3e;
  --k-on-rose: #ffffff;
  --k-rose-bg: #fdecef;
  --k-rose-fg: #9e1633;
}

/* ---------- Base ---------------------------------------------- */

body.app-katalk_keeper {
  --app-measure: var(--k-wrap);
  overflow-x: clip;
}

.app-katalk_keeper main,
.app-katalk_keeper .app-foot {
  font-family: var(--k-text);
  word-break: keep-all;
  overflow-wrap: break-word;
}

.app-katalk_keeper main {
  font-size: 1.0625rem;
  line-height: 1.75;
}

/* (0,0,1): beats nothing but the site's bare element rules */
:where(.app-katalk_keeper main) :is(h1, h2, h3, p, ul, ol, dl, dd, figure) {
  margin: 0;
}

.app-katalk_keeper ::selection {
  background: var(--k-peek);
  color: var(--k-espresso);
}

.k-wrap {
  max-width: var(--k-wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.k-sec {
  padding-block: clamp(4.5rem, 9vw, 8.5rem);
}

/* Orbit is monospaced: its word space is a full cell wide, so display
   settings pull the words back together. */
.k-claim,
.k-sec h2 {
  font-family: var(--k-display);
  font-weight: 400;
  letter-spacing: -0.035em;
  word-spacing: -0.38em;
  line-height: 1.16;
  color: var(--fg);
  text-wrap: balance;
}

.k-sec h2 {
  font-size: clamp(2rem, 3.7vw, 3.15rem);
}

.k-head {
  max-width: 40rem;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.k-head p {
  margin-top: 1.1rem;
  color: var(--fg-muted);
}

.app-katalk_keeper main a:focus-visible,
.app-katalk_keeper main button:focus-visible {
  outline: 2px solid var(--fg);
  outline-offset: 3px;
}

/* ---------- Store button + device frame ----------------------- */

.app-katalk_keeper .store-badge {
  --badge-bg: var(--k-btn-bg);
  --badge-fg: var(--k-btn-fg);
  --badge-line: transparent;
  --badge-focus: var(--fg);
}

.app-katalk_keeper .store-badge:hover {
  box-shadow: 0 14px 34px -12px var(--k-glow-strong);
}

.k-device {
  --device-w: 300px;
  --device-bezel: 10px;
  --device-radius: 42px;
  --device-frame: #0c0907;
  --device-edge: rgba(255, 240, 220, 0.12);
  --device-shadow: 0 40px 80px -34px rgba(0, 0, 0, 0.7), 0 0 120px -30px var(--k-glow);
}

:root[data-theme="light"] .k-device {
  --device-frame: #1d1511;
  --device-shadow: 0 40px 70px -36px rgba(64, 37, 26, 0.45), 0 0 150px -20px var(--k-glow);
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .k-device {
    --device-frame: #1d1511;
    --device-shadow: 0 40px 70px -36px rgba(64, 37, 26, 0.45), 0 0 150px -20px var(--k-glow);
  }
}

/* the captures are 1080×1920 */
.app-device.is-android.k-device .app-device-screen {
  aspect-ratio: 1080 / 1920;
  background: var(--k-scr-bg);
}

.app-device-screen > img.for-light {
  display: none;
}

:root[data-theme="light"] .app-device-screen > img.for-dark {
  display: none;
}

:root[data-theme="light"] .app-device-screen > img.for-light {
  display: block;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .app-device-screen > img.for-dark {
    display: none;
  }

  :root:not([data-theme="dark"]) .app-device-screen > img.for-light {
    display: block;
  }
}

/* ---------- The eyes (from the icon: they glance sideways) ---- */

.k-eyes {
  --eye: 28px;
  display: inline-flex;
  gap: calc(var(--eye) * 0.2);
  filter: var(--k-eye-glow);
}

.k-eyes i {
  position: relative;
  display: block;
  width: var(--eye);
  height: calc(var(--eye) * 1.18);
  border-radius: 50%;
  background: var(--k-cream);
  box-shadow: 0 0 0 max(1.5px, calc(var(--eye) * 0.08)) var(--k-eye-line);
  overflow: hidden;
  transform-origin: 50% 60%;
  animation: k-blink 7s infinite;
}

.k-eyes i::after {
  content: "";
  position: absolute;
  top: 24%;
  left: 40%;
  width: 54%;
  height: 58%;
  border-radius: 50%;
  background: var(--k-ink);
  animation: k-glance 7s var(--ease) infinite;
}

.k-eyes i + i {
  animation-delay: 0.04s;
}

@keyframes k-glance {
  0%, 36% { transform: translateX(0); }
  42%, 70% { transform: translateX(-60%); }
  76%, 100% { transform: translateX(0); }
}

@keyframes k-blink {
  0%, 84%, 88%, 100% { transform: scaleY(1); }
  86% { transform: scaleY(0.08); }
}

/* ---------- Hero ---------------------------------------------- */

.k-hero {
  position: relative;
  padding-block: clamp(2.5rem, 6vw, 5.5rem) clamp(4rem, 8vw, 7.5rem);
}

.k-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  align-items: center;
  gap: clamp(2rem, 5vw, 5rem);
}

.k-crumb {
  font-family: var(--k-display);
  font-size: 0.92rem;
  letter-spacing: -0.02em;
  color: var(--fg-faint);
}

.k-crumb a {
  color: var(--fg-muted);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
}

.k-crumb a:hover {
  color: var(--fg);
  border-bottom-color: currentColor;
}

.k-title {
  margin-top: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 400;
}

.k-name {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--k-text);
  font-weight: 800;
  font-size: 1.45rem;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--fg);
}

.k-name img {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  box-shadow: 0 10px 24px -12px rgba(0, 0, 0, 0.6);
}

.k-claim {
  display: block;
  margin-top: clamp(1.4rem, 3vw, 2rem);
  font-size: clamp(3rem, 7.2vw, 6.3rem);
  line-height: 1.08;
  letter-spacing: -0.045em;
}

/* the read receipt itself: yellow ink at night, a yellow fill by day */
.k-one {
  color: var(--k-one-fg);
  background: linear-gradient(transparent 50%, var(--k-one-bg) 50%, var(--k-one-bg) 88%, transparent 88%);
  padding-inline: 0.04em;
  margin-right: 0.02em;
  border-radius: 0.08em;
}

.k-lede {
  max-width: 31em;
  margin-top: clamp(1.4rem, 2.6vw, 2rem);
  font-size: clamp(1.05rem, 1.35vw, 1.18rem);
  line-height: 1.8;
  color: var(--fg-muted);
}

.k-hero .store-badges {
  margin-top: 2.2rem;
}

.k-fine {
  margin-top: 1rem;
  font-size: 0.93rem;
  color: var(--fg-faint);
}

.k-hero-device {
  position: relative;
  display: grid;
  justify-items: center;
}

.k-hero-device .k-device {
  position: relative;
  z-index: 1;
}

/* the character hides in the dark behind the phone; only its eyes show */
.k-eyes-hero {
  --eye: clamp(22px, 2.4vw, 32px);
  position: absolute;
  z-index: 0;
  top: 24%;
  left: calc(50% - 150px - var(--eye) * 1.72);
}

/* ---------- Signature: follow one notification ---------------- */

.k-demo-sec {
  background: var(--bg-inset);
  border-block: 1px solid var(--line);
}

.demo {
  display: grid;
  grid-template-columns: minmax(250px, 320px) 300px minmax(220px, 270px);
  grid-template-areas:
    "steps phone their"
    "caption phone their";
  grid-template-rows: auto 1fr;
  column-gap: clamp(2rem, 4.5vw, 4.5rem);
  justify-content: space-between;
  align-items: start;
}

/* steps: a short timeline of buttons */
.demo-steps {
  grid-area: steps;
  list-style: none;
  padding: 0;
  display: grid;
  gap: 0.35rem;
}

.demo-steps li {
  position: relative;
}

.demo-steps li:not(:last-child)::before {
  content: "";
  position: absolute;
  left: calc(0.75rem + 1.05rem - 0.5px);
  top: 3.1rem;
  bottom: -0.55rem;
  width: 1px;
  background: var(--line-strong);
}

.demo-steps button {
  width: 100%;
  min-height: 56px;
  display: flex;
  align-items: flex-start;
  gap: 0.95rem;
  padding: 0.8rem 0.75rem;
  border: 0;
  border-radius: 16px;
  background: transparent;
  color: var(--fg);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: background-color 0.2s;
}

.demo-steps button:hover {
  background: var(--bg-hover);
}

.step-n {
  position: relative;
  flex: none;
  width: 2.1rem;
  height: 2.1rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: var(--bg-inset);
  color: var(--fg-muted);
  font-family: var(--k-display);
  font-size: 1rem;
  line-height: 1;
  transition: background-color 0.25s, color 0.25s, border-color 0.25s, box-shadow 0.25s;
}

.step-t b {
  display: block;
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.4;
}

.step-t small {
  display: block;
  margin-top: 0.1rem;
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--fg-muted);
}

.demo-steps button[aria-current] .step-n {
  background: var(--k-btn-bg);
  border-color: transparent;
  color: var(--k-btn-fg);
  box-shadow: 0 0 0 5px var(--accent-soft);
}

/* a soft ring on the step that comes next */
.demo-steps button.is-next .step-n::after {
  content: "";
  position: absolute;
  inset: -5px;
  border-radius: 50%;
  border: 1.5px solid var(--k-ring);
  animation: k-hint 2.4s ease-out infinite;
}

@keyframes k-hint {
  0% { transform: scale(0.85); opacity: 0; }
  30% { opacity: 1; }
  100% { transform: scale(1.35); opacity: 0; }
}

.demo-caption {
  grid-area: caption;
  margin-top: 1.6rem;
  padding: 1.1rem 0 0 0.75rem;
  border-top: 1px solid var(--line);
  min-height: 9.5em;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--fg);
}

.demo-note {
  max-width: 46rem;
  margin-top: clamp(2.5rem, 5vw, 3.5rem);
  font-size: 0.92rem;
  color: var(--fg-faint);
}

/* --- my phone --- */

.phone {
  grid-area: phone;
  justify-self: center;
  width: 300px;
  max-width: 100%;
  aspect-ratio: 300 / 584;
  padding: 10px;
  border-radius: 44px;
  background: #0c0907;
  box-shadow:
    inset 0 0 0 1.5px rgba(255, 240, 220, 0.12),
    0 40px 80px -34px rgba(0, 0, 0, 0.75),
    0 0 160px -20px var(--k-glow);
}

.phone-screen {
  position: relative;
  height: 100%;
  overflow: hidden;
  border-radius: 34px;
  background: #0e0b09;
  font-size: 13px;
  line-height: 1.45;
  isolation: isolate;
}

.phone-bar {
  position: absolute;
  z-index: 5;
  top: 0;
  left: 0;
  right: 0;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 22px 0 24px;
  font-family: var(--k-display);
  font-size: 11.5px;
  letter-spacing: -0.04em;
  color: #f3ead9;
  transition: color 0.3s;
}

/* punch-hole camera */
.phone-bar i {
  position: absolute;
  top: 10px;
  left: 50%;
  width: 11px;
  height: 11px;
  margin-left: -5.5px;
  border-radius: 50%;
  background: #000;
}

/* battery */
.phone-bar::after {
  content: "";
  width: 17px;
  height: 8.5px;
  border-radius: 2.5px;
  border: 1.3px solid currentColor;
  background: linear-gradient(90deg, currentColor 70%, transparent 70%) content-box;
  padding: 1px;
  opacity: 0.85;
}

.demo[data-state="peek"] .phone-bar {
  color: var(--k-scr-fg);
}

.demo[data-state="open"] .phone-bar,
.demo[data-state="delete"] .phone-bar {
  color: var(--k-room-fg);
}

.scr {
  position: absolute;
  inset: 0;
  padding-top: 32px;
  opacity: 0;
  visibility: hidden;
  transform: translateX(7%);
  transition: opacity 0.45s var(--ease), transform 0.5s var(--ease), visibility 0s linear 0.5s;
}

.demo:is([data-state="idle"], [data-state="arrive"]) .scr-lock,
.demo[data-state="peek"] .scr-seul,
.demo:is([data-state="open"], [data-state="delete"]) .scr-room {
  opacity: 1;
  visibility: visible;
  transform: none;
  transition-delay: 0s;
}

/* lock screen + notification shade */
.scr-lock {
  transform: scale(1.03);
  background:
    radial-gradient(120% 60% at 50% 0%, rgba(253, 229, 36, 0.09), transparent 60%),
    linear-gradient(180deg, #2a1f18 0%, #17110d 52%, #0c0907 100%);
  color: #f5ede2;
}

.lock-clock {
  margin-top: 40px;
  text-align: center;
  font-family: var(--k-display);
  font-size: 60px;
  line-height: 1;
  letter-spacing: -0.07em;
  color: #f7efe4;
}

.lock-clock small {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  letter-spacing: 0;
  color: #bfb1a2;
}

.shade {
  display: grid;
  gap: 16px;
  margin: 34px 12px 0;
}

.note {
  position: relative;
  padding: 11px 13px 12px;
  border-radius: 18px;
  background: rgba(48, 39, 33, 0.9);
  box-shadow: inset 0 0 0 1px rgba(255, 240, 220, 0.07);
}

.note p {
  margin: 0;
}

.note-app {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: #bfb1a2;
}

.note-when::before {
  content: "·";
  margin: 0 5px 0 1px;
}

.note-ico {
  flex: none;
  width: 15px;
  height: 15px;
  border-radius: 5px;
  background: #6f655d;
}

.note-ico.is-seul {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 1.6px;
  background: #fde524;
}

.note-ico.is-seul i {
  width: 3.6px;
  height: 4.6px;
  border-radius: 50%;
  background: #40251a;
}

.note-title {
  margin-top: 5px;
  font-size: 13.5px;
  font-weight: 700;
  color: #f7efe4;
}

.note-body {
  font-size: 13px;
  color: #e6dbcd;
}

.note-msg {
  opacity: 0;
  transform: translateY(-22px) scale(0.96);
  transition: opacity 0.4s var(--ease), transform 0.6s var(--k-spring);
}

.demo:not([data-state="idle"]) .note-msg {
  opacity: 1;
  transform: none;
  transition-delay: 0.1s;
}

/* the eyes peek over the top edge of the new notification */
.note-eyes {
  --eye: 12px;
  position: absolute;
  bottom: 100%;
  right: 22px;
  height: 11px;
  overflow: hidden;
  filter: none;
}

.note-eyes i {
  translate: 0 110%;
  transition: translate 0.45s var(--k-spring);
}

.demo:not([data-state="idle"]) .note-eyes i {
  translate: 0 0;
  transition-delay: 0.75s;
}

/* 슬쩍 screen */
.scr-seul {
  background: var(--k-scr-bg);
  color: var(--k-scr-fg);
}

.seul-bar {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 12px 14px 12px 12px;
}

.seul-bar p {
  flex: 1;
  margin: 0;
  line-height: 1.25;
}

.seul-bar b {
  display: block;
  font-size: 14.5px;
}

.seul-bar small {
  font-size: 11px;
  color: var(--k-scr-muted);
}

.seul-back,
.room-back {
  width: 9px;
  height: 9px;
  margin: 0 4px 0 6px;
  border-left: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
}

.seul-ava {
  flex: none;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: linear-gradient(140deg, #be185d, #9c1350);
  color: #fff;
  font-weight: 700;
  font-size: 14px;
}

.seul-ava.is-sm {
  width: 28px;
  height: 28px;
  font-size: 12px;
}

.seul-tag {
  padding: 2px 9px;
  border-radius: 999px;
  background: #fde524;
  color: #40251a;
  font-size: 11px;
  font-weight: 800;
}

.seul-thread {
  padding: 8px 12px;
}

.seul-day {
  width: fit-content;
  margin: 6px auto 16px;
  padding: 2px 12px;
  border-radius: 999px;
  background: var(--k-surface-2);
  color: var(--k-scr-muted);
  font-size: 11px;
}

.seul-msg {
  display: flex;
  align-items: flex-start;
  gap: 7px;
}

.seul-bubble {
  margin: 0;
  max-width: 68%;
  padding: 9px 12px;
  border-radius: 16px;
  background: var(--k-bubble);
  border: 1px solid var(--k-bubble-line);
  font-size: 13.5px;
}

.seul-time {
  align-self: flex-end;
  font-size: 10.5px;
  color: var(--k-scr-muted);
  white-space: nowrap;
}

/* generic chat room */
.scr-room {
  background: var(--k-room-bg);
  color: var(--k-room-fg);
}

.room-bar {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 13px 14px 13px 12px;
  border-bottom: 1px solid var(--k-room-line);
}

.room-bar b {
  flex: 1;
  font-size: 14.5px;
}

.room-tag {
  padding: 1px 9px;
  border-radius: 999px;
  border: 1px solid var(--k-room-line);
  color: var(--k-room-muted);
  font-size: 11px;
  font-weight: 700;
}

.room-thread {
  padding: 18px 12px;
}

.room-msg {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.room-ava {
  flex: none;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: #7c818a;
  color: #fff;
  font-size: 12px;
  font-weight: 700;
}

.room-col {
  flex: 1;
  display: grid;
  justify-items: start;
  min-width: 0;
}

.room-col > .room-bubble,
.room-col > .room-deleted {
  grid-area: 1 / 1;
}

.room-col > .room-bubble {
  max-width: 88%;
}

.room-bubble {
  margin: 0;
  padding: 9px 12px;
  border-radius: 4px 16px 16px 16px;
  background: var(--k-room-bubble);
  font-size: 13.5px;
  transition: opacity 0.35s var(--ease);
}

.room-time {
  margin-top: 4px;
  padding-left: 2px;
  font-size: 10.5px;
  color: var(--k-room-muted);
  white-space: nowrap;
}

.room-compose {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 8px 8px 8px 14px;
  border-radius: 999px;
  background: var(--k-room-bubble);
  color: var(--k-room-muted);
  font-size: 12px;
}

.room-compose span {
  flex: 1;
}

.room-compose i {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--k-room-line);
}

.room-deleted {
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s var(--ease), visibility 0s linear 0.4s;
}

.demo[data-state="delete"] .room-live {
  opacity: 0;
}

.demo[data-state="delete"] .room-deleted {
  opacity: 1;
  visibility: visible;
  transition-delay: 0.15s, 0s;
}

/* the deleted bubble you can peek under */
.ghost {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 44px;
  padding: 9px 11px 9px 12px;
  border-radius: 4px 16px 16px 16px;
  border: 1px dashed var(--k-room-muted);
  background: transparent;
  color: var(--k-room-muted);
  font: inherit;
  font-size: 13px;
  white-space: nowrap;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, background-color 0.2s;
}

.ghost-eyes {
  --eye: 9px;
  margin-left: 2px;
  filter: none;
}

:root[data-theme="light"] .ghost-eyes,
:root[data-theme="light"] .note-eyes {
  --k-eye-line: #40251a;
}

.ghost:hover,
.ghost:focus-visible,
.ghost[aria-expanded="true"] {
  border-style: solid;
  border-color: var(--k-rose);
  color: var(--k-room-fg);
}

.ghost:is(:hover, [aria-expanded="true"]) .ghost-eyes i::after {
  animation: none;
  transform: translate(-34%, 30%);
}

.kept {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.45s var(--ease);
}

.kept-in {
  min-height: 0;
  overflow: hidden;
}

.kept-in > * {
  margin: 0;
}

.ghost:hover + .kept,
.ghost[aria-expanded="true"] + .kept {
  grid-template-rows: 1fr;
}

.kept-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: 7px;
  padding: 9px 12px 0;
  border-radius: 14px 14px 0 0;
  background: var(--k-rose-bg);
  font-size: 11px;
  font-weight: 800;
  color: var(--k-rose-fg);
}

.kept-del {
  padding: 1px 7px;
  border-radius: 999px;
  background: var(--k-rose);
  color: var(--k-on-rose);
  font-size: 10px;
}

.kept-text {
  padding: 4px 12px 0;
  background: var(--k-rose-bg);
  font-size: 13.5px;
  color: var(--k-room-fg);
}

.kept-meta {
  padding: 4px 12px 10px;
  border-radius: 0 0 14px 14px;
  background: var(--k-rose-bg);
  font-size: 10.5px;
  line-height: 1.4;
  color: var(--k-rose-fg);
}

/* --- the sender's side --- */

.their {
  grid-area: their;
  align-self: center;
  justify-self: center;
  width: 100%;
  max-width: 270px;
}

.their figcaption {
  margin-bottom: 0.7rem;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--fg-muted);
}

.their-screen {
  position: relative;
  display: grid;
  align-content: end;
  min-height: 132px;
  padding: 18px 14px 16px;
  border-radius: 24px;
  background: var(--k-room-bg);
  color: var(--k-room-fg);
  box-shadow: inset 0 0 0 1px var(--k-room-line), 0 24px 50px -30px rgba(0, 0, 0, 0.6);
  font-size: 13.5px;
  line-height: 1.45;
}

.their-row,
.their-typing {
  grid-area: 1 / 1;
}

.their-row {
  display: flex;
  justify-content: flex-end;
  align-items: flex-end;
  gap: 6px;
  transition: opacity 0.4s var(--ease), transform 0.5s var(--k-spring);
}

.demo[data-state="idle"] .their-row {
  opacity: 0;
  transform: translateY(10px);
}

.their-bubble {
  display: grid;
  max-width: 88%;
  margin: 0;
  padding: 9px 12px;
  border-radius: 16px 4px 16px 16px;
  background: var(--k-their-bubble);
}

.their-bubble > span {
  grid-area: 1 / 1;
  transition: opacity 0.35s var(--ease);
}

.tb-del {
  opacity: 0;
  color: var(--k-room-muted);
}

.demo[data-state="delete"] .tb-text {
  opacity: 0;
}

.demo[data-state="delete"] .tb-del {
  opacity: 1;
}

.one {
  position: relative;
  padding: 2px 4px;
  border-radius: 5px;
  background: var(--k-one-bg);
  color: var(--k-one-fg);
  font-family: var(--k-display);
  font-size: 16px;
  line-height: 1;
  transition: opacity 0.35s var(--ease), transform 0.45s var(--ease), visibility 0s;
}

.demo:is([data-state="open"], [data-state="delete"]) .one {
  opacity: 0;
  visibility: hidden;
  transform: scale(0.3);
  transition-delay: 0s, 0s, 0.45s;
}

.demo[data-state="peek"] .one::after {
  content: "";
  position: absolute;
  inset: -6px;
  border-radius: 9px;
  border: 1.5px solid var(--k-ring);
  animation: k-ring 1.8s ease-out 0.3s 2 both;
}

@keyframes k-ring {
  0% { transform: scale(0.7); opacity: 0; }
  35% { opacity: 1; }
  100% { transform: scale(1.5); opacity: 0; }
}

.their-typing {
  justify-self: end;
  display: flex;
  gap: 4px;
  margin: 0;
  padding: 11px 13px;
  border-radius: 16px 4px 16px 16px;
  background: var(--k-their-bubble);
  opacity: 0;
  transition: opacity 0.3s;
}

.their-typing i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--k-room-muted);
  animation: k-dot 1.2s ease-in-out infinite;
}

.their-typing i:nth-child(2) { animation-delay: 0.15s; }
.their-typing i:nth-child(3) { animation-delay: 0.3s; }

@keyframes k-dot {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.5; }
  30% { transform: translateY(-3px); opacity: 1; }
}

.demo[data-state="idle"] .their-typing {
  opacity: 1;
}

.their-note {
  margin-top: 0.7rem;
  text-align: right;
  font-size: 0.9rem;
  color: var(--fg-muted);
}

.demo[data-state="peek"] .their-note {
  color: var(--accent);
  font-weight: 700;
}

/* without JS the steps can't do anything: show the first state only */
html:not(.js) .demo-steps {
  display: none;
}

/* ---------- Features ------------------------------------------ */

.k-feature {
  padding-block: clamp(3.5rem, 7vw, 6.5rem);
}

.k-demo-sec + .k-feature {
  padding-top: clamp(5rem, 9vw, 8rem);
}

.k-feature-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(2.5rem, 8vw, 8rem);
}

.k-feature.is-flip .k-feature-grid {
  grid-template-columns: auto minmax(0, 1fr);
}

.k-feature.is-flip .k-feature-copy {
  order: 2;
}

.k-feature-copy {
  max-width: 31rem;
}

.k-feature-copy p {
  margin-top: 1.2rem;
  color: var(--fg-muted);
}

.k-feature-copy h2 + p {
  margin-top: 1.6rem;
}

.k-feature-copy .k-aside {
  margin-top: 1.8rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
  font-size: 0.95rem;
  color: var(--fg-faint);
}

.k-feature .k-device {
  justify-self: center;
}

/* ---------- How it works / what it needs ---------------------- */

.k-how {
  border-top: 1px solid var(--line);
}

.k-how h3 {
  font-family: var(--k-text);
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--fg);
}

.how-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(2.5rem, 7vw, 7rem);
  align-items: start;
}

.how-main {
  max-width: 40rem;
}

.how-main h3 + * {
  margin-top: 1.2rem;
}

.how-main h3:not(:first-child) {
  margin-top: clamp(2.8rem, 5vw, 3.6rem);
}

.how-steps {
  list-style: none;
  padding: 0;
  counter-reset: k-step;
  display: grid;
  gap: 1.15rem;
}

.how-steps li {
  counter-increment: k-step;
  display: grid;
  grid-template-columns: 2.6rem minmax(0, 1fr);
  color: var(--fg-muted);
}

.how-steps li::before {
  content: counter(k-step);
  grid-row: span 2;
  font-family: var(--k-display);
  font-size: 1.7rem;
  line-height: 1.1;
  color: var(--accent);
}

.how-steps b {
  display: block;
  color: var(--fg);
  font-weight: 700;
}

.perm > div {
  padding-block: 1.15rem;
  border-top: 1px solid var(--line);
}

.perm > div:last-child {
  border-bottom: 1px solid var(--line);
}

.perm dt {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  color: var(--fg);
}

.perm dd {
  margin-top: 0.35rem;
  color: var(--fg-muted);
}

.perm-tag {
  padding: 0.05rem 0.6rem;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1.6;
  color: var(--fg-muted);
}

.perm-tag.is-core {
  border-color: transparent;
  background: var(--k-btn-bg);
  color: var(--k-btn-fg);
}

.how-device {
  position: sticky;
  top: calc(var(--nav-h) + 2.5rem);
}

.how-lists {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(2rem, 6vw, 6rem);
  margin-top: clamp(3.5rem, 7vw, 5.5rem);
  padding-top: clamp(2.5rem, 5vw, 3.5rem);
  border-top: 1px solid var(--line);
}

.how-list ul {
  list-style: none;
  padding: 0;
  margin-top: 1.2rem;
  display: grid;
  gap: 0.8rem;
}

.how-list li {
  position: relative;
  padding-left: 1.5rem;
  color: var(--fg-muted);
}

.how-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.87em;
  width: 0.7rem;
  height: 1.5px;
  background: var(--line-strong);
}

/* ---------- Privacy ------------------------------------------- */

.k-private {
  background: var(--bg-inset);
  border-block: 1px solid var(--line);
}

.k-private-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: start;
}

.k-private h2 {
  font-size: clamp(2.4rem, 5vw, 4.4rem);
  line-height: 1.1;
}

.k-private-copy ul {
  list-style: none;
  padding: 0;
  display: grid;
}

.k-private-copy li {
  padding-block: 1.05rem;
  border-top: 1px solid var(--line);
  color: var(--fg-muted);
}

.k-private-copy li:first-child {
  padding-top: 0.2rem;
  border-top: 0;
}

.k-private-copy p {
  margin-top: 1.4rem;
}

.k-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--fg);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-decoration-color: var(--accent);
  text-underline-offset: 0.35em;
}

.k-link:hover {
  color: var(--fg);
  text-decoration-color: var(--fg);
}

/* ---------- Closing CTA --------------------------------------- */

.k-cta {
  position: relative;
  padding-block: clamp(5.5rem, 11vw, 10rem);
  text-align: center;
  background: radial-gradient(50% 55% at 50% 52%, var(--k-glow), transparent 100%);
}

.k-cta .store-badges {
  justify-content: center;
}

.k-cta h2 {
  margin-top: 1.4rem;
  font-size: clamp(2.3rem, 5vw, 4.2rem);
  line-height: 1.12;
}

.k-cta p {
  max-width: 34rem;
  margin: 1.4rem auto 0;
  color: var(--fg-muted);
}

.k-cta .store-badges {
  margin-top: 2.2rem;
}

.k-eyes-cta {
  --eye: 26px;
}

.k-cta .k-disclaimer {
  max-width: 40rem;
  margin-top: clamp(3rem, 6vw, 4.5rem);
  font-size: 0.88rem;
  color: var(--fg-faint);
}

/* ---------- Footer -------------------------------------------- */

.app-katalk_keeper .app-foot {
  color: var(--fg);
}

/* ---------- Responsive ---------------------------------------- */

@media (max-width: 1039px) {
  .demo {
    grid-template-columns: 300px minmax(200px, 250px);
    grid-template-areas:
      "steps steps"
      "caption caption"
      "phone their";
    grid-template-rows: auto auto auto;
    row-gap: 0;
    column-gap: clamp(2rem, 6vw, 4rem);
    justify-content: center;
  }

  .demo-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.5rem;
  }

  .demo-steps li::before {
    display: none;
  }

  .demo-steps button {
    border: 1px solid var(--line);
  }

  .demo-caption {
    min-height: 6em;
    margin-top: 1.2rem;
    margin-bottom: 2.2rem;
    padding-left: 0;
  }
}

@media (max-width: 899px) {
  .k-hero-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .k-hero-device {
    margin-top: 1.5rem;
  }

  .k-feature-grid,
  .k-feature.is-flip .k-feature-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .k-feature.is-flip .k-feature-copy {
    order: 0;
  }

  .how-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .how-device {
    position: static;
    justify-self: center;
  }

  .k-private-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 699px) {
  .k-device {
    --device-w: 264px;
    --device-radius: 38px;
    --device-bezel: 9px;
  }

  .k-eyes-hero {
    left: calc(50% - 132px - var(--eye) * 1.5);
  }

  .demo {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas:
      "steps"
      "caption"
      "their"
      "phone";
  }

  .demo-steps button {
    min-height: 52px;
    align-items: center;
    gap: 0.6rem;
    padding: 0.6rem 0.65rem;
  }

  .step-n {
    width: 1.8rem;
    height: 1.8rem;
    font-size: 0.9rem;
  }

  .step-t b {
    font-size: 0.93rem;
    line-height: 1.35;
  }

  .step-t small {
    display: none;
  }

  .demo-caption {
    min-height: 8.6em;
    margin-bottom: 1.4rem;
    font-size: 0.97rem;
  }

  .their {
    max-width: none;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    grid-template-areas:
      "cap note"
      "scr scr";
    align-items: baseline;
    margin-bottom: 1.6rem;
  }

  .their figcaption {
    grid-area: cap;
    margin: 0 0 0.5rem;
  }

  .their-note {
    grid-area: note;
    margin: 0;
  }

  .their-screen {
    grid-area: scr;
    min-height: 0;
    padding: 14px;
  }

  .phone {
    width: 280px;
  }

  .how-lists {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 380px) {
  .demo-steps {
    gap: 0.4rem;
  }

  .demo-steps button {
    padding: 0.55rem 0.5rem;
  }

  .step-t b {
    font-size: 0.88rem;
  }
}

/* ---------- Reduced motion: still, everything visible --------- */

@media (prefers-reduced-motion: reduce) {
  .k-eyes i,
  .k-eyes i::after,
  .their-typing i,
  .demo-steps button.is-next .step-n::after,
  .demo[data-state="peek"] .one::after {
    animation: none !important;
  }

  .demo-steps button.is-next .step-n::after {
    transform: none;
    opacity: 1;
  }

  .demo[data-state="peek"] .one::after {
    opacity: 1;
    transform: none;
  }

  .demo *,
  .demo *::before,
  .demo *::after {
    transition-duration: 0s !important;
    transition-delay: 0s !important;
  }
}