/* Kalfi landing — static, shared-hosting friendly */

:root {
  --ink-000: #05060a;
  --ink-050: #080a0f;
  --ink-100: #0d1016;
  --ink-150: #12161e;
  --ink-200: #171c26;
  --ink-300: #202631;
  --line: #1e2430;
  --line-strong: #2c3441;

  --fg: #f2f4f8;
  --fg-dim: #a8b1c2;
  --fg-faint: #6c7688;

  --accent: #5b8cff;
  --accent-ink: #0a1226;
  --signal: #4ade80;
  --alert: #f6a94a;

  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --display: "Inter Tight", var(--sans);

  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 18px;
  --shell: 1180px;
  --gut: 24px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--fg);
  background-color: var(--ink-050);
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.022) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.022) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1,
h2,
h3,
h4 {
  font-family: var(--display);
  font-weight: 600;
  letter-spacing: -0.028em;
  line-height: 1.08;
  margin: 0;
  text-wrap: balance;
}

p {
  margin: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

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

button {
  font: inherit;
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.shell {
  width: min(var(--shell), calc(100% - (var(--gut) * 2)));
  margin-inline: auto;
}

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

.skip:focus {
  left: 16px;
  top: 12px;
  z-index: 100;
  background: var(--ink-200);
  padding: 8px 14px;
  border-radius: var(--r-sm);
}

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

.topbar {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(8, 10, 15, 0.82);
  backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.topbar[data-scrolled="true"] {
  border-bottom-color: var(--line);
}

.topbar__progress {
  position: absolute;
  left: 0;
  bottom: -1px;
  height: 2px;
  width: 0;
  background: var(--accent);
  transition: width 0.08s linear;
}

.topbar__inner {
  display: flex;
  align-items: center;
  gap: 20px;
  min-height: 66px;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.06rem;
  letter-spacing: -0.03em;
  margin-right: auto;
}

.wordmark__mark {
  width: 26px;
  height: 26px;
  border-radius: 7px;
  border: 1px solid var(--line-strong);
  background: var(--ink-200);
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--accent);
}

.topnav {
  display: flex;
  gap: 22px;
  font-size: 0.9rem;
  color: var(--fg-dim);
}

.topnav a {
  position: relative;
  padding-block: 4px;
}

.topnav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 1px;
  background: var(--accent);
  transition: right 0.22s ease;
}

.topnav a:hover {
  color: var(--fg);
}

.topnav a:hover::after {
  right: 0;
}

.topbar__actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.burger {
  display: none;
  background: none;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  padding: 8px 10px;
  cursor: pointer;
}

.burger span {
  display: block;
  width: 16px;
  height: 1.5px;
  background: var(--fg);
}

.burger span + span {
  margin-top: 4px;
}

.drawer {
  display: none;
  border-top: 1px solid var(--line);
  padding: 14px 0 20px;
}

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

.drawer a {
  display: block;
  padding: 10px 0;
  color: var(--fg-dim);
  border-bottom: 1px solid var(--line);
}

/* ---------- buttons ---------- */

.btn {
  -webkit-appearance: none;
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 11px 18px;
  font-size: 0.92rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.18s ease, border-color 0.18s ease, color 0.18s ease,
    transform 0.18s ease;
}

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

.btn--solid {
  background: var(--fg);
  color: var(--ink-000);
}

.btn--solid:hover {
  background: #ffffff;
}

.btn--accent {
  background: var(--accent);
  color: #fff;
}

.btn--accent:hover {
  background: #7ba2ff;
}

.btn--line {
  border-color: var(--line-strong);
  color: var(--fg);
}

.btn--line:hover {
  border-color: var(--fg-faint);
  background: rgba(255, 255, 255, 0.03);
}

.btn--sm {
  padding: 8px 14px;
  font-size: 0.85rem;
}

.btn[disabled] {
  opacity: 0.55;
  cursor: not-allowed;
}

.kbd {
  font-family: var(--mono);
  font-size: 0.72rem;
  border: 1px solid var(--line-strong);
  border-radius: 5px;
  padding: 2px 6px;
  color: var(--fg-dim);
  background: var(--ink-150);
}

/* ---------- section scaffolding ---------- */

.band {
  padding: 88px 0;
  position: relative;
}

.band--tight {
  padding: 64px 0;
}

.band__head {
  margin-bottom: 40px;
}

.band__head h2 {
  font-size: clamp(1.7rem, 3.4vw, 2.5rem);
  margin-bottom: 14px;
  max-width: 26ch;
}

.band__head p {
  color: var(--fg-dim);
  font-size: 1.02rem;
  max-width: 54ch;
}

.tagline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-faint);
  margin-bottom: 18px;
}

.tagline::before {
  content: "";
  width: 18px;
  height: 1px;
  background: var(--accent);
}

.rule {
  height: 1px;
  background: var(--line);
  border: 0;
  margin: 0;
}

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

.hero {
  padding: 74px 0 76px;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 56px;
  align-items: start;
}

.hero h1 {
  font-size: clamp(2.5rem, 5.2vw, 4.1rem);
  margin-bottom: 20px;
}

.hero h1 em {
  font-style: normal;
  color: var(--fg-dim);
}

.hero__lead {
  color: var(--fg-dim);
  font-size: 1.08rem;
  max-width: 42ch;
  margin-bottom: 28px;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 30px;
}

.facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
}

.facts div {
  padding-top: 16px;
  padding-right: 14px;
}

.facts dt {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-faint);
  margin-bottom: 6px;
}

.facts dd {
  margin: 0;
  font-family: var(--display);
  font-size: 1.02rem;
  letter-spacing: -0.02em;
}

/* ---------- app window / demo ---------- */

.appwin {
  border: 1px solid var(--line-strong);
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, var(--ink-150), var(--ink-100));
  overflow: hidden;
}

.appwin__bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  border-bottom: 1px solid var(--line);
  background: var(--ink-200);
}

.appwin__lights {
  display: flex;
  gap: 6px;
}

.appwin__lights i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink-300);
  border: 1px solid var(--line-strong);
}

.appwin__title {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--fg-faint);
}

.appwin__badge {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--signal);
}

.pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.5);
  animation: pulse 2s ease-out infinite;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.45);
  }
  70% {
    box-shadow: 0 0 0 8px rgba(74, 222, 128, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(74, 222, 128, 0);
  }
}

.tabs {
  display: flex;
  border-bottom: 1px solid var(--line);
  background: var(--ink-100);
}

.tabs button {
  flex: 1;
  background: none;
  border: 0;
  border-bottom: 2px solid transparent;
  padding: 12px 8px;
  font-size: 0.86rem;
  color: var(--fg-faint);
  cursor: pointer;
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.tabs button:hover {
  color: var(--fg-dim);
}

.tabs button[aria-selected="true"] {
  color: var(--fg);
  border-bottom-color: var(--accent);
  background: rgba(91, 140, 255, 0.06);
}

.demo__body {
  padding: 16px;
  display: grid;
  gap: 14px;
}

.pane-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-faint);
  margin-bottom: 8px;
}

.transcript {
  min-height: 92px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--ink-050);
  padding: 12px;
  display: grid;
  gap: 8px;
  align-content: start;
  font-size: 0.9rem;
}

.line {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 10px;
  color: var(--fg-dim);
}

.line__who {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--fg-faint);
  padding-top: 3px;
}

.line[data-who="You"] .line__who {
  color: var(--accent);
}

.line[data-q="true"] .line__text {
  color: var(--fg);
}

.answer {
  border: 1px solid rgba(91, 140, 255, 0.32);
  border-radius: var(--r-md);
  background: rgba(91, 140, 255, 0.05);
  padding: 14px;
  min-height: 132px;
}

.answer__core {
  font-size: 1rem;
  line-height: 1.55;
  margin-bottom: 10px;
}

.answer__core::after {
  content: "";
  display: inline-block;
  width: 7px;
  height: 1.05em;
  margin-left: 2px;
  background: var(--accent);
  vertical-align: text-bottom;
  animation: caret 1s steps(1) infinite;
}

.answer[data-done="true"] .answer__core::after {
  display: none;
}

@keyframes caret {
  50% {
    opacity: 0;
  }
}

.answer__points {
  display: grid;
  gap: 7px;
  font-size: 0.9rem;
  color: var(--fg-dim);
}

.answer__points li {
  display: grid;
  grid-template-columns: 14px minmax(0, 1fr);
  gap: 6px;
}

.answer__points li::before {
  content: "→";
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.8rem;
  line-height: 1.5;
}

.answer__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--fg-faint);
}

.answer__empty {
  color: var(--fg-faint);
  font-size: 0.9rem;
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: flex-end;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.ctrl {
  display: grid;
  gap: 6px;
}

.ctrl > span {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-faint);
}

.seg {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px;
  background: var(--ink-050);
}

.seg button {
  border: 0;
  background: none;
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 0.8rem;
  color: var(--fg-faint);
  cursor: pointer;
  transition: background 0.16s ease, color 0.16s ease;
}

.seg button:hover {
  color: var(--fg-dim);
}

.seg button[aria-pressed="true"] {
  background: var(--ink-300);
  color: var(--fg);
}

.demo__run {
  display: flex;
  gap: 8px;
}

/* ---------- steps ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.step {
  padding: 30px 26px 34px;
  border-right: 1px solid var(--line);
  position: relative;
  transition: background 0.2s ease;
}

.step:last-child {
  border-right: 0;
}

.step:hover {
  background: rgba(255, 255, 255, 0.015);
}

.step__num {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--accent);
  margin-bottom: 16px;
  display: block;
}

.step h3 {
  font-size: 1.14rem;
  margin-bottom: 10px;
}

.step p {
  color: var(--fg-dim);
  font-size: 0.94rem;
}

.step__list {
  margin-top: 14px;
  display: grid;
  gap: 6px;
  font-size: 0.86rem;
  color: var(--fg-faint);
  font-family: var(--mono);
}

/* ---------- stealth ---------- */

.stealth {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.screenmock {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--ink-000);
  padding: 12px;
  position: relative;
  min-height: 268px;
  overflow: hidden;
}

.screenmock__tag {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--fg-faint);
  margin-bottom: 10px;
  display: flex;
  justify-content: space-between;
}

.tiles {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.tile {
  aspect-ratio: 16 / 10;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--ink-150);
  display: grid;
  place-content: center;
  gap: 6px;
  justify-items: center;
  font-size: 0.74rem;
  color: var(--fg-faint);
}

.tile__av {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--ink-300);
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--fg-dim);
}

.tile--active {
  border-color: rgba(91, 140, 255, 0.35);
}

.overlay-card {
  position: absolute;
  right: 14px;
  bottom: 14px;
  width: min(74%, 300px);
  border: 1px solid rgba(91, 140, 255, 0.4);
  border-radius: var(--r-sm);
  background: rgba(13, 16, 22, 0.96);
  padding: 11px 12px;
  font-size: 0.84rem;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.24s ease, transform 0.24s ease;
  pointer-events: none;
}

.overlay-card[data-shown="true"] {
  opacity: 1;
  transform: translateY(0);
}

.overlay-card strong {
  display: block;
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 5px;
}

.switch {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  user-select: none;
}

.switch input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.switch__track {
  width: 44px;
  height: 25px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: var(--ink-200);
  position: relative;
  transition: background 0.2s ease, border-color 0.2s ease;
  flex: none;
}

.switch__track::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 17px;
  height: 17px;
  border-radius: 50%;
  background: var(--fg-faint);
  transition: transform 0.2s ease, background 0.2s ease;
}

.switch input:checked + .switch__track {
  background: rgba(74, 222, 128, 0.16);
  border-color: rgba(74, 222, 128, 0.5);
}

.switch input:checked + .switch__track::after {
  transform: translateX(19px);
  background: var(--signal);
}

.switch__text {
  font-size: 0.92rem;
}

.note {
  color: var(--fg-faint);
  font-size: 0.84rem;
}

/* ---------- calculator ---------- */

.calc {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 32px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--ink-100);
  padding: 28px;
}

.field {
  display: grid;
  gap: 8px;
  margin-bottom: 22px;
}

.field__top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 0.9rem;
}

.field__val {
  font-family: var(--mono);
  font-size: 0.86rem;
  color: var(--accent);
}

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 3px;
  border-radius: 999px;
  background: var(--line-strong);
  cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--ink-100);
  cursor: pointer;
}

input[type="range"]::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border: 3px solid var(--ink-100);
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
}

select {
  appearance: none;
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-sm);
  background: var(--ink-050);
  color: var(--fg);
  padding: 10px 34px 10px 12px;
  font-size: 0.9rem;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%236c7688' stroke-width='2.2' stroke-linecap='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
}

.bars {
  display: grid;
  gap: 16px;
  align-content: start;
}

.bar__top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 7px;
  font-size: 0.92rem;
}

.bar__amount {
  font-family: var(--display);
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.bar__track {
  height: 10px;
  border-radius: 999px;
  background: var(--ink-200);
  overflow: hidden;
}

.bar__fill {
  height: 100%;
  border-radius: 999px;
  background: var(--line-strong);
  width: 0;
  transition: width 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

.bar--you .bar__fill {
  background: var(--signal);
}

.bar--pro .bar__fill {
  background: var(--accent);
}

.bar__note {
  font-size: 0.78rem;
  color: var(--fg-faint);
  margin-top: 5px;
}

.verdict {
  margin-top: 22px;
  border-top: 1px solid var(--line);
  padding-top: 16px;
  font-size: 0.94rem;
  color: var(--fg-dim);
}

.verdict strong {
  color: var(--signal);
}

.assumptions {
  margin-top: 14px;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--fg-faint);
  line-height: 1.7;
}

/* ---------- brand / stealth personalization ---------- */

.brand-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 28px;
  align-items: start;
}

.brand-controls {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--ink-100);
  padding: 24px;
}

.brand-controls input[type="text"] {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-sm);
  background: var(--ink-050);
  color: var(--fg);
  padding: 10px 12px;
  font-size: 0.95rem;
}

.brand-logo-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.brand-points {
  margin-top: 22px;
  display: grid;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--fg-dim);
}

.brand-points li {
  display: grid;
  grid-template-columns: 14px minmax(0, 1fr);
  gap: 8px;
}

.brand-points li::before {
  content: "→";
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.8rem;
}

.brand-stage {
  display: grid;
  gap: 14px;
}

.brand-overlay__body {
  padding: 16px;
  display: grid;
  gap: 12px;
}

.brand-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.brand-chip__logo {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--ink-300);
  border: 1px solid var(--line-strong);
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--accent);
  overflow: hidden;
  background-size: cover;
  background-position: center;
}

.brand-chip__logo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.brand-overlay__line {
  color: var(--fg-dim);
  font-size: 0.92rem;
  max-width: 40ch;
}

.am-panel {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--ink-050);
  overflow: hidden;
}

.am-panel__head {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-faint);
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  background: var(--ink-150);
}

.am-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 14px;
  border-bottom: 1px solid var(--line);
  font-size: 0.9rem;
}

.am-row:last-child {
  border-bottom: 0;
}

.am-row--rival {
  color: var(--fg-faint);
}

.am-row--you {
  color: var(--fg);
  background: rgba(74, 222, 128, 0.06);
}

.am-tag {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: 999px;
  padding: 3px 8px;
  border: 1px solid var(--line);
}

.am-tag--bad {
  color: var(--alert);
  border-color: rgba(246, 169, 74, 0.35);
}

.am-tag--ok {
  color: var(--signal);
  border-color: rgba(74, 222, 128, 0.4);
}

@media (max-width: 1020px) {
  .brand-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* ---------- Google Meet + real Kalfi overlay (stealth) ---------- */

.stealth-lab {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.desk {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: #202124;
  min-height: 340px;
  position: relative;
}

.desk__caption {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 5;
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #e8eaed;
  background: rgba(0, 0, 0, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  padding: 4px 10px;
  backdrop-filter: blur(8px);
}

.meet {
  height: 100%;
  min-height: 340px;
  display: grid;
  grid-template-rows: auto 1fr auto;
  background: #202124;
  color: #e8eaed;
  font-family: "Google Sans", "Product Sans", var(--sans);
}

.meet__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 14px 6px;
  font-size: 0.78rem;
  color: #bdc1c6;
}

.meet__top strong {
  color: #e8eaed;
  font-weight: 500;
}

.meet__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  padding: 6px 12px 12px;
}

.meet__tile {
  position: relative;
  aspect-ratio: 16 / 10;
  border-radius: 12px;
  overflow: hidden;
  background:
    radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.08), transparent 45%),
    linear-gradient(160deg, #3c4043, #202124 70%);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.meet__tile--speak {
  box-shadow: inset 0 0 0 2px #8ab4f8;
}

.meet__face {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
}

.meet__av {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 600;
  font-size: 1.05rem;
  color: #fff;
}

.meet__av--a { background: #1a73e8; }
.meet__av--b { background: #188038; }
.meet__av--c { background: #e37400; }
.meet__av--d { background: #a142f4; }

.meet__name {
  position: absolute;
  left: 8px;
  bottom: 8px;
  font-size: 0.72rem;
  background: rgba(32, 33, 36, 0.78);
  padding: 3px 8px;
  border-radius: 4px;
}

.meet__btn {
  min-width: 40px;
  height: 36px;
  padding: 0 10px;
  border-radius: 18px;
  border: 0;
  background: #3c4043;
  color: #e8eaed;
  display: grid;
  place-items: center;
  font-size: 0.68rem;
  font-weight: 500;
}

.meet__btn--end {
  background: #ea4335;
  min-width: 64px;
  border-radius: 999px;
}

.meet__bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 12px 14px;
  background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.35));
  flex-wrap: wrap;
}

.meet__mic {
  position: absolute;
  right: 8px;
  bottom: 8px;
  font-size: 0.58rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-radius: 4px;
  background: #3c4043;
  padding: 2px 5px;
  color: #bdc1c6;
}

.meet__mic--off {
  background: #ea4335;
  color: #fff;
}

/* Floating Kalfi overlay matching real app chrome */
.kalfi-float {
  position: absolute;
  right: 14px;
  bottom: 58px;
  width: min(58%, 280px);
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  background: linear-gradient(180deg, #12161e, #0d1016);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
  overflow: hidden;
  opacity: 0;
  transform: translateY(8px) scale(0.98);
  pointer-events: none;
  transition: opacity 0.24s ease, transform 0.24s ease;
  z-index: 4;
}

.kalfi-float[data-shown="true"] {
  opacity: 1;
  transform: none;
}

.kalfi-float__bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border-bottom: 1px solid var(--line);
  background: var(--ink-200);
}

.kalfi-float__bar .appwin__lights i {
  width: 7px;
  height: 7px;
}

.kalfi-float__title {
  font-family: var(--mono);
  font-size: 0.62rem;
  color: var(--fg-faint);
}

.kalfi-float__live {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 0.58rem;
  color: var(--signal);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.kalfi-float__tabs {
  display: flex;
  border-bottom: 1px solid var(--line);
  background: var(--ink-100);
}

.kalfi-float__tabs span {
  flex: 1;
  text-align: center;
  font-size: 0.62rem;
  padding: 6px 2px;
  color: var(--fg-faint);
}

.kalfi-float__tabs span.is-on {
  color: var(--fg);
  border-bottom: 2px solid var(--accent);
  background: rgba(91, 140, 255, 0.06);
}

.kalfi-float__body {
  padding: 8px 10px 10px;
  display: grid;
  gap: 7px;
}

.kalfi-float__label {
  font-family: var(--mono);
  font-size: 0.55rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-faint);
}

.kalfi-float__q {
  font-size: 0.72rem;
  color: var(--fg-dim);
  line-height: 1.4;
}

.kalfi-float__ans {
  border: 1px solid rgba(91, 140, 255, 0.32);
  border-radius: 8px;
  background: rgba(91, 140, 255, 0.05);
  padding: 8px;
  font-size: 0.74rem;
  line-height: 1.45;
  color: var(--fg);
}

.kalfi-float__meta {
  font-family: var(--mono);
  font-size: 0.55rem;
  color: var(--fg-faint);
}

@media (max-width: 1020px) {
  .stealth-lab {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* ---------- Real-ish macOS Activity Monitor ---------- */

.am-mac {
  border: 1px solid #4a4a4a;
  border-radius: 10px;
  overflow: hidden;
  background: #1e1e1e;
  color: #f5f5f5;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", var(--sans);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}

.am-mac__titlebar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  background: linear-gradient(180deg, #3a3a3a, #2c2c2c);
  border-bottom: 1px solid #111;
}

.am-mac__lights {
  display: flex;
  gap: 6px;
}

.am-mac__lights i {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  display: block;
}

.am-mac__lights i:nth-child(1) { background: #ff5f57; }
.am-mac__lights i:nth-child(2) { background: #febc2e; }
.am-mac__lights i:nth-child(3) { background: #28c840; }

.am-mac__win-title {
  flex: 1;
  text-align: center;
  font-size: 0.78rem;
  color: #d0d0d0;
  font-weight: 500;
}

.am-mac__toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 10px;
  background: #2b2b2b;
  border-bottom: 1px solid #111;
  font-size: 0.68rem;
  color: #a8a8a8;
}

.am-mac__tabs {
  display: flex;
  gap: 2px;
  margin-left: auto;
  background: #1c1c1c;
  border-radius: 6px;
  padding: 2px;
}

.am-mac__tabs span {
  padding: 3px 8px;
  border-radius: 4px;
  color: #9a9a9a;
}

.am-mac__tabs span.is-on {
  background: #3a3a3a;
  color: #fff;
}

.am-mac__table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.72rem;
}

.am-mac__table th {
  text-align: left;
  font-weight: 500;
  color: #b0b0b0;
  background: #2a2a2a;
  padding: 5px 10px;
  border-bottom: 1px solid #111;
  white-space: nowrap;
}

.am-mac__table td {
  padding: 5px 10px;
  border-bottom: 1px solid #252525;
  color: #e8e8e8;
}

.am-mac__table tr:nth-child(even) td {
  background: #232323;
}

.am-mac__table tr.is-hot td {
  background: #0a84ff !important;
  color: #fff;
}

.am-mac__table tr.is-warn td {
  color: #ff9f0a;
}

.am-mac__foot {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 6px 10px;
  font-size: 0.64rem;
  color: #9a9a9a;
  background: #2b2b2b;
  border-top: 1px solid #111;
}

.am-mac__pill {
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 1px 6px;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.am-mac__pill--bad {
  color: #ff9f0a;
  border-color: rgba(255, 159, 10, 0.4);
}

.am-mac__pill--ok {
  color: #30d158;
  border-color: rgba(48, 209, 88, 0.4);
}

/* ---------- pricing ---------- */

.plans {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.plan {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 26px;
  background: var(--ink-100);
  display: flex;
  flex-direction: column;
}

.plan--hi {
  border-color: rgba(91, 140, 255, 0.4);
  background: linear-gradient(180deg, rgba(91, 140, 255, 0.07), var(--ink-100) 42%);
}

.plan__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}

.plan h3 {
  font-size: 1.16rem;
}

.chip {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 3px 9px;
  color: var(--fg-dim);
}

.chip--signal {
  border-color: rgba(74, 222, 128, 0.4);
  color: var(--signal);
}

.plan__price {
  font-family: var(--display);
  font-size: 2.7rem;
  letter-spacing: -0.04em;
  margin: 10px 0 4px;
}

.plan__price span {
  font-family: var(--sans);
  font-size: 0.92rem;
  color: var(--fg-faint);
  letter-spacing: 0;
}

.plan__desc {
  color: var(--fg-dim);
  font-size: 0.94rem;
  margin-bottom: 20px;
}

.plan__feats {
  display: grid;
  gap: 9px;
  font-size: 0.92rem;
  margin-bottom: 24px;
  flex: 1;
}

.plan__feats li {
  display: grid;
  grid-template-columns: 16px minmax(0, 1fr);
  gap: 8px;
  color: var(--fg-dim);
}

.plan__feats li::before {
  content: "+";
  font-family: var(--mono);
  color: var(--accent);
}

/* ---------- compare ---------- */

.tablewrap {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 700px;
  font-size: 0.92rem;
}

th,
td {
  text-align: left;
  padding: 15px 18px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

thead th {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fg-faint);
  background: var(--ink-100);
  position: sticky;
  top: 0;
}

thead th.is-us,
td.is-us {
  background: rgba(91, 140, 255, 0.07);
  color: var(--fg);
}

tbody tr:last-child td {
  border-bottom: 0;
}

td.row-label {
  color: var(--fg);
}

.dim {
  color: var(--fg-faint);
}

/* ---------- faq ---------- */

.faq {
  display: grid;
  gap: 10px;
  max-width: 72ch;
}

details {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--ink-100);
  padding: 0 18px;
}

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

summary {
  cursor: pointer;
  padding: 16px 0;
  font-weight: 500;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
}

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

summary::after {
  content: "+";
  font-family: var(--mono);
  color: var(--fg-faint);
  flex: none;
}

details[open] summary::after {
  content: "–";
  color: var(--accent);
}

details p {
  color: var(--fg-dim);
  font-size: 0.94rem;
  padding-bottom: 18px;
  max-width: 68ch;
}

/* ---------- closing cta ---------- */

.closer {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--ink-100);
  padding: 44px 40px;
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  align-items: center;
  justify-content: space-between;
}

.closer h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: 10px;
}

.closer p {
  color: var(--fg-dim);
  max-width: 46ch;
}

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

.foot {
  border-top: 1px solid var(--line);
  padding: 30px 0 42px;
  color: var(--fg-faint);
  font-size: 0.86rem;
}

.foot__row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: space-between;
}

.foot a:hover {
  color: var(--fg-dim);
}

/* ---------- reveal ---------- */

[data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.5s ease, transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

[data-reveal][data-shown="true"] {
  opacity: 1;
  transform: none;
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}

/* ---------- responsive ---------- */

@media (max-width: 1020px) {
  .hero {
    grid-template-columns: minmax(0, 1fr);
    gap: 44px;
    padding-top: 56px;
  }

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

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

  .step {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .step:last-child {
    border-bottom: 0;
  }
}

@media (max-width: 780px) {
  .topnav,
  .topbar__actions .btn--line {
    display: none;
  }

  .burger {
    display: block;
  }

  .band {
    padding: 64px 0;
  }

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

  .closer {
    padding: 30px 24px;
  }

  .calc {
    padding: 20px;
  }

  .controls {
    flex-direction: column;
    align-items: stretch;
  }

  .demo__run {
    justify-content: flex-end;
  }

  .facts {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
  }

  .facts div {
    padding-top: 12px;
    border-top: 1px solid var(--line);
  }

  .facts div:first-child {
    border-top: 0;
    padding-top: 0;
  }
}