:root {
  color-scheme: light;
  --bg-start: #e8ecff;
  --bg-mid: #f5f5f7;
  --bg-end: #e8e8ed;
  --ink: #1d1d1f;
  --muted: #6e6e73;
  --muted-2: #86868b;
  --card: rgba(255, 255, 255, 0.72);
  --card-solid: #ffffff;
  --line: rgba(0, 0, 0, 0.1);
  --accent: #005fc8;
  --accent-soft: rgba(0, 95, 200, 0.14);
  --phone-bg: #000000;
  --phone-surface: #1c1c1e;
  --phone-surface-2: #2c2c2e;
  --phone-fill: #3a3a3c;
  --phone-text: #f5f5f7;
  --phone-muted: #a1a1aa;
  --phone-user-bg: #f5f5f7;
  --phone-user-text: #1d1d1f;
  --success: #34d399;
  --success-ink: #052e16;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.1);
  --button-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  position: relative;
  min-height: 100vh;
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: radial-gradient(
    ellipse 120% 85% at 50% -18%,
    var(--bg-start) 0%,
    var(--bg-mid) 45%,
    var(--bg-end) 100%
  );
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(0, 0, 0, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 0, 0, 0.025) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, black, transparent 82%);
  pointer-events: none;
}

body[data-appearance="dark"] {
  color-scheme: dark;
  --bg-start: #0c0c12;
  --bg-mid: #030303;
  --bg-end: #050508;
  --ink: #fafafa;
  --muted: #86868b;
  --muted-2: #86868b;
  --card: rgba(255, 255, 255, 0.09);
  --card-solid: #101012;
  --line: rgba(255, 255, 255, 0.1);
  --accent: #78b9ff;
  --accent-soft: rgba(130, 200, 255, 0.2);
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.32);
}

button,
input,
select {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  cursor: pointer;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease,
    background 180ms ease,
    color 180ms ease,
    opacity 180ms ease;
}

button:active,
a:active {
  transform: translateY(1px) scale(0.98);
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 3px solid rgba(39, 216, 197, 0.45);
  outline-offset: 3px;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 18px 0;
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 14px;
  background: var(--ink);
  color: var(--bg-mid);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06), 0 2px 8px rgba(0, 0, 0, 0.06);
}

.top-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px;
}

.top-nav a {
  border: 1px solid transparent;
  border-radius: 999px;
  color: var(--muted);
  padding: 9px 12px;
  font-size: 0.9rem;
  font-weight: 800;
}

.top-nav a:hover {
  border-color: var(--line);
  background: var(--card);
  color: var(--ink);
  transform: translateY(-1px);
}

main {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: end;
  min-height: 64vh;
  padding: 72px 0 54px;
}

.eyebrow {
  margin-bottom: 12px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

h1 {
  max-width: 820px;
  margin-bottom: 22px;
  background: linear-gradient(105deg, var(--ink) 0%, var(--ink) 46%, var(--accent) 100%);
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  font-size: clamp(4rem, 11vw, 9rem);
  line-height: 0.86;
  letter-spacing: -0.09em;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(2.2rem, 5vw, 4.6rem);
  line-height: 0.95;
  letter-spacing: -0.07em;
}

h3 {
  margin-bottom: 8px;
  font-size: 1.35rem;
  letter-spacing: -0.04em;
}

.hero-copy p,
.story-card p {
  max-width: 680px;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.7;
}

.hero-actions,
.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.outcome-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: -18px 0 28px;
}

.outcome-strip article,
.moat-card {
  border: 1px solid var(--line);
  background: var(--card);
  box-shadow: var(--shadow);
  backdrop-filter: blur(22px);
}

.outcome-strip article {
  border-radius: 24px;
  padding: 18px;
}

.outcome-strip strong,
.outcome-strip span {
  display: block;
}

.outcome-strip strong {
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 1.02rem;
  letter-spacing: -0.02em;
}

.outcome-strip span,
.moat-card p {
  color: var(--muted);
  line-height: 1.65;
}

.moat-card {
  margin-bottom: 28px;
  border-radius: 34px;
  padding: clamp(28px, 5vw, 52px);
}

.moat-card h2 {
  max-width: 850px;
}

.moat-card p {
  max-width: 760px;
  margin-bottom: 0;
  font-size: 1.08rem;
}

.primary-action,
.secondary-action,
.story-card button,
.inline-demo button,
.phone-chat-form button,
.voice-chip,
.tab-strip button,
.mini-picker button {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--card);
  color: var(--ink);
  font-weight: 900;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.primary-action::after,
.secondary-action::after,
.story-card button::after,
.inline-demo button::after,
.phone-chat-form button::after,
.voice-chip::after,
.tab-strip button::after,
.mini-picker button::after,
.connector-chip::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.38), transparent);
  opacity: 0;
  transform: translateX(-120%);
  transition: transform 420ms ease, opacity 220ms ease;
}

.primary-action:hover::after,
.secondary-action:hover::after,
.story-card button:hover::after,
.inline-demo button:hover::after,
.phone-chat-form button:hover::after,
.voice-chip:hover::after,
.tab-strip button:hover::after,
.mini-picker button:hover::after,
.connector-chip:hover::after {
  opacity: 1;
  transform: translateX(120%);
}

.primary-action,
.secondary-action {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 0 18px;
}

.primary-action,
.inline-demo button,
.phone-chat-form button,
.story-card button:first-child {
  border-color: transparent;
  background: var(--ink);
  color: var(--bg-mid);
  box-shadow: var(--button-shadow);
}

.primary-action:hover,
.secondary-action:hover,
.story-card button:hover,
.inline-demo button:hover,
.phone-chat-form button:hover,
.voice-chip:hover,
.connector-chip:hover {
  transform: translateY(-2px);
  border-color: var(--line);
  box-shadow: 0 0 0 7px var(--accent-soft), 0 0 30px rgba(0, 75, 180, 0.18);
}

.prototype-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  gap: clamp(28px, 5vw, 70px);
  align-items: start;
  padding-bottom: 90px;
}

.story-column {
  display: grid;
  gap: 28px;
}

.story-card {
  min-height: 72vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 38px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.88), rgba(255, 255, 255, 0.48)),
    radial-gradient(circle at top right, rgba(0, 95, 200, 0.08), transparent 18rem);
  box-shadow: var(--shadow);
  padding: clamp(28px, 6vw, 58px);
  opacity: 0.76;
  transition: opacity 220ms ease, transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

.story-card.is-active {
  opacity: 1;
  border-color: rgba(0, 95, 200, 0.18);
  box-shadow: 0 34px 90px rgba(68, 54, 37, 0.2);
  transform: translateY(-6px) scale(1.01);
}

.inline-demo {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  max-width: 620px;
  margin-top: 12px;
}

.inline-demo input,
.phone-chat-form input,
.settings-grid select {
  width: 100%;
  border: 1px solid var(--line);
  outline: none;
  background: rgba(255, 255, 255, 0.62);
  color: var(--ink);
  transition: border-color 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.inline-demo input:focus,
.phone-chat-form input:focus,
.settings-grid select:focus {
  border-color: rgba(124, 60, 255, 0.46);
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 0 0 5px var(--accent-soft);
}

body[data-appearance="dark"] .inline-demo input,
body[data-appearance="dark"] .phone-chat-form input,
body[data-appearance="dark"] .settings-grid select {
  background: rgba(255, 255, 255, 0.08);
}

body[data-appearance="dark"] .story-card {
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.11), rgba(255, 255, 255, 0.05)),
    radial-gradient(circle at top right, rgba(120, 185, 255, 0.12), transparent 18rem);
}

.inline-demo input {
  min-height: 48px;
  border-radius: 999px;
  padding: 0 16px;
}

.story-card button,
.inline-demo button {
  min-height: 46px;
  padding: 0 15px;
}

.segmented-control,
.mini-picker,
.tab-strip {
  display: flex;
  gap: 6px;
  width: fit-content;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.38);
  padding: 5px;
}

.segmented-control button,
.mini-picker button,
.tab-strip button {
  min-height: 36px;
  border: 0;
  padding: 0 12px;
  background: transparent;
  color: var(--muted);
}

.segmented-control button.is-selected,
.mini-picker button.is-selected,
.tab-strip button.is-selected {
  background: var(--card-solid);
  color: var(--ink);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06), 0 2px 8px rgba(0, 0, 0, 0.06);
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 220px));
  gap: 12px;
  margin-top: 8px;
}

.settings-grid label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-weight: 800;
}

.settings-grid select {
  min-height: 46px;
  border-radius: 18px;
  padding: 0 14px;
}

.calendar-connectors {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.connector-chip {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--card-solid);
  padding: 11px 14px;
  color: var(--muted);
  font-weight: 900;
  transition: transform 180ms ease, box-shadow 180ms ease, color 180ms ease;
}

.connector-chip.is-connected {
  border-color: rgba(29, 139, 106, 0.28);
  background: linear-gradient(135deg, rgba(29, 139, 106, 0.12), rgba(39, 216, 197, 0.12));
  color: var(--success-ink);
}

.phone-stage {
  position: sticky;
  top: 88px;
  min-height: calc(100vh - 110px);
  display: grid;
  place-items: center;
}

.phone {
  width: min(100%, 390px);
  border: 10px solid #181511;
  border-radius: 46px;
  background: #181511;
  box-shadow:
    0 34px 80px rgba(0, 0, 0, 0.32),
    0 0 0 1px rgba(255, 255, 255, 0.12),
    0 0 90px rgba(120, 185, 255, 0.18);
  transform: translateZ(0);
}

.phone-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 18px 8px;
  color: #fff8ed;
  font-size: 0.8rem;
  font-weight: 900;
}

.phone-camera {
  width: 84px;
  height: 24px;
  border-radius: 999px;
  background: #050505;
}

.phone-app {
  min-height: 690px;
  overflow: hidden;
  border-radius: 34px;
  background: var(--phone-bg);
  color: var(--phone-text);
  padding: 18px;
}

.app-title {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.app-title strong,
.app-title span {
  display: block;
}

.app-title strong {
  font-size: 1.35rem;
}

.app-title span {
  color: var(--phone-muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.voice-chip {
  min-height: 36px;
  padding: 0 12px;
  border-color: rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.07);
  color: var(--phone-muted);
}

.voice-chip.is-on {
  border-color: rgba(52, 211, 153, 0.35);
  background: var(--success);
  color: var(--success-ink);
  box-shadow: 0 0 18px rgba(52, 211, 153, 0.22);
}

.tab-strip {
  max-width: 100%;
  overflow-x: auto;
  margin: 16px 0;
}

.phone-app .tab-strip,
.phone-app .mini-picker {
  border-color: rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.06);
}

.tab-strip button {
  white-space: nowrap;
}

.phone-app .tab-strip {
  width: 100%;
  justify-content: space-between;
}

.phone-app .tab-strip button {
  display: grid;
  min-width: 38px;
  width: 38px;
  place-items: center;
  padding: 0;
}

.phone-app .tab-strip svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.phone-app .tab-strip button,
.phone-app .mini-picker button {
  color: var(--phone-muted);
}

.phone-app .tab-strip button:hover,
.phone-app .mini-picker button:hover {
  color: var(--phone-text);
  background: rgba(255, 255, 255, 0.08);
}

.phone-app .tab-strip button.is-selected,
.phone-app .mini-picker button.is-selected {
  background: var(--phone-fill);
  color: var(--phone-text);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
}

.phone-screen {
  display: none;
}

.phone-screen.is-active {
  display: block;
  animation: screenIn 260ms ease both;
}

.chat-list,
.schedule-list,
.reminder-list,
.connector-list {
  display: grid;
  gap: 10px;
}

.chat-list {
  min-height: 440px;
  max-height: 440px;
  overflow: auto;
  align-content: end;
  padding-right: 2px;
}

.bubble {
  max-width: 88%;
  border-radius: 20px;
  background: #ebe4d9;
  padding: 12px;
  color: #1c1915;
  line-height: 1.45;
  animation: popIn 220ms ease both;
}

.bubble.user {
  justify-self: end;
  background: var(--phone-user-bg);
  color: var(--phone-user-text);
}

.bubble.butler {
  justify-self: start;
}

.phone-chat-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  margin-top: 12px;
}

.phone-chat-form input {
  min-height: 42px;
  border-radius: 16px;
  padding: 0 12px;
}

.phone-chat-form input {
  border-color: rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.06);
  color: var(--phone-text);
}

.phone-chat-form input::placeholder {
  color: var(--phone-muted);
}

.phone-chat-form button {
  border-color: transparent;
  background: var(--phone-user-bg);
  color: var(--phone-user-text);
  padding: 0 12px;
}

.summary-card,
.schedule-item,
.reminder-item,
.connector-row,
.setting-row {
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.58);
  padding: 14px;
  box-shadow: 0 12px 30px rgba(68, 54, 37, 0.07);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.phone-app .summary-card,
.phone-app .schedule-item,
.phone-app .reminder-item,
.phone-app .connector-row,
.phone-app .setting-row {
  border-color: rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: none;
}

.phone-app .summary-card {
  border-color: rgba(52, 211, 153, 0.35);
  background: rgba(16, 185, 129, 0.08);
}

.summary-card:hover,
.schedule-item:hover,
.reminder-item:hover,
.connector-row:hover,
.setting-row:hover {
  transform: translateY(-2px);
  border-color: rgba(124, 60, 255, 0.22);
  box-shadow: 0 16px 34px rgba(68, 54, 37, 0.1);
}

body[data-appearance="dark"] .summary-card,
body[data-appearance="dark"] .schedule-item,
body[data-appearance="dark"] .reminder-item,
body[data-appearance="dark"] .connector-row,
body[data-appearance="dark"] .setting-row {
  background: rgba(255, 255, 255, 0.07);
}

.summary-card p,
.schedule-item p,
.reminder-item p {
  margin-bottom: 0;
  color: var(--phone-muted);
  line-height: 1.5;
}

.mini-label {
  display: block;
  margin-bottom: 8px;
  color: var(--success);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.button-row.compact button {
  min-height: 38px;
  padding: 0 12px;
}

#phoneConfirmButton {
  border: 0;
  background: var(--success);
  color: var(--success-ink);
  font-weight: 900;
}

#phoneCancelButton {
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: transparent;
  color: var(--phone-muted);
  font-weight: 900;
}

#phoneCancelButton:hover {
  color: var(--phone-text);
  background: rgba(255, 255, 255, 0.06);
}

.schedule-item strong,
.reminder-item strong {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 5px;
}

.schedule-time {
  color: var(--phone-muted);
  font-size: 0.78rem;
}

.setting-row,
.connector-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.setting-row + .setting-row,
.connector-row + .connector-row {
  margin-top: 10px;
}

.setting-row span,
.connector-row span {
  color: var(--phone-muted);
}

.connector-row button {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  background: var(--phone-text);
  color: var(--phone-user-text);
  padding: 8px 10px;
  font-size: 0.8rem;
  font-weight: 900;
}

.sleep-summary {
  background:
    linear-gradient(135deg, rgba(52, 211, 153, 0.1), rgba(120, 185, 255, 0.08)),
    rgba(255, 255, 255, 0.05);
}

.button-flash {
  animation: buttonFlash 440ms ease;
}

.is-flowing {
  animation: flowPulse 520ms ease;
}

@keyframes screenIn {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.985);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes popIn {
  from {
    opacity: 0;
    transform: translateY(8px) scale(0.98);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes buttonFlash {
  0% {
    box-shadow: 0 0 0 0 rgba(124, 60, 255, 0.28);
  }

  100% {
    box-shadow: 0 0 0 14px rgba(124, 60, 255, 0);
  }
}

@keyframes flowPulse {
  0%,
  100% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.015);
  }
}

@media (max-width: 980px) {
  .hero,
  .prototype-layout,
  .outcome-strip {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .phone-stage {
    position: relative;
    top: 0;
    min-height: auto;
    order: -1;
  }

  .story-card {
    min-height: auto;
  }
}

@media (max-width: 680px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .top-nav {
    justify-content: flex-start;
  }

  h1 {
    font-size: clamp(3.6rem, 18vw, 6rem);
  }

  .inline-demo,
  .settings-grid {
    grid-template-columns: 1fr;
  }

  .phone {
    border-width: 7px;
  }

  .phone-app {
    min-height: 620px;
  }
}