:root {
  color-scheme: light;
  --bg: #f7f4ef;
  --bg-soft: #ffffff;
  --surface: rgba(255, 255, 255, 0.82);
  --surface-strong: #ffffff;
  --text: #151515;
  --muted: #5f6470;
  --muted-strong: #343944;
  --line: rgba(20, 23, 31, 0.13);
  --accent: #3d73ff;
  --accent-strong: #2459e8;
  --accent-soft: rgba(61, 115, 255, 0.13);
  --shadow: 0 28px 80px rgba(45, 47, 54, 0.16);
  --hero-overlay: linear-gradient(90deg, rgba(247, 244, 239, 0.96), rgba(247, 244, 239, 0.62) 45%, rgba(247, 244, 239, 0.2));
  --hero-sky: radial-gradient(circle at 80% 16%, rgba(255, 174, 112, 0.4), transparent 34%),
    linear-gradient(135deg, #fbf5ec 0%, #cad7e4 48%, #1e2938 100%);
  --radius: 8px;
  --max: 1160px;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg: #07090b;
    --bg-soft: #0d1116;
    --surface: rgba(14, 17, 22, 0.76);
    --surface-strong: #11161d;
    --text: #f5f7fb;
    --muted: #a3abb8;
    --muted-strong: #d0d5de;
    --line: rgba(255, 255, 255, 0.13);
    --accent: #4d7dff;
    --accent-strong: #7097ff;
    --accent-soft: rgba(77, 125, 255, 0.18);
    --shadow: 0 32px 100px rgba(0, 0, 0, 0.38);
    --hero-overlay: linear-gradient(90deg, rgba(7, 9, 11, 0.98), rgba(7, 9, 11, 0.64) 46%, rgba(7, 9, 11, 0.22));
    --hero-sky: radial-gradient(circle at 78% 18%, rgba(255, 157, 94, 0.38), transparent 34%),
      linear-gradient(135deg, #050608 0%, #172232 48%, #5e6671 100%);
  }
}

html[data-resolved-theme="light"] {
  color-scheme: light;
  --bg: #f7f4ef;
  --bg-soft: #ffffff;
  --surface: rgba(255, 255, 255, 0.82);
  --surface-strong: #ffffff;
  --text: #151515;
  --muted: #5f6470;
  --muted-strong: #343944;
  --line: rgba(20, 23, 31, 0.13);
  --accent: #3d73ff;
  --accent-strong: #2459e8;
  --accent-soft: rgba(61, 115, 255, 0.13);
  --shadow: 0 28px 80px rgba(45, 47, 54, 0.16);
  --hero-overlay: linear-gradient(90deg, rgba(247, 244, 239, 0.96), rgba(247, 244, 239, 0.62) 45%, rgba(247, 244, 239, 0.2));
  --hero-sky: radial-gradient(circle at 80% 16%, rgba(255, 174, 112, 0.4), transparent 34%),
    linear-gradient(135deg, #fbf5ec 0%, #cad7e4 48%, #1e2938 100%);
}

html[data-resolved-theme="dark"] {
  color-scheme: dark;
  --bg: #07090b;
  --bg-soft: #0d1116;
  --surface: rgba(14, 17, 22, 0.76);
  --surface-strong: #11161d;
  --text: #f5f7fb;
  --muted: #a3abb8;
  --muted-strong: #d0d5de;
  --line: rgba(255, 255, 255, 0.13);
  --accent: #4d7dff;
  --accent-strong: #7097ff;
  --accent-soft: rgba(77, 125, 255, 0.18);
  --shadow: 0 32px 100px rgba(0, 0, 0, 0.38);
  --hero-overlay: linear-gradient(90deg, rgba(7, 9, 11, 0.98), rgba(7, 9, 11, 0.64) 46%, rgba(7, 9, 11, 0.22));
  --hero-sky: radial-gradient(circle at 78% 18%, rgba(255, 157, 94, 0.38), transparent 34%),
    linear-gradient(135deg, #050608 0%, #172232 48%, #5e6671 100%);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

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

button {
  font: inherit;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(100% - 32px, var(--max));
  margin: 16px auto 0;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(20px);
}

.brand,
.mini-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand img {
  width: 28px;
  height: 30px;
}

.main-nav,
.header-actions,
.hero-actions,
.final-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.main-nav {
  gap: 22px;
  color: var(--muted-strong);
  font-size: 0.93rem;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-weight: 700;
  white-space: nowrap;
}

.button-primary {
  border-color: transparent;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #ffffff;
  box-shadow: 0 14px 36px rgba(61, 115, 255, 0.28);
}

.button-secondary {
  background: rgba(127, 127, 127, 0.07);
}

.settings-menu {
  position: relative;
}

.settings-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(127, 127, 127, 0.07);
  color: var(--muted-strong);
  cursor: pointer;
}

.settings-toggle:hover,
.settings-toggle[aria-expanded="true"] {
  color: var(--text);
  background: var(--surface-strong);
}

.settings-toggle svg {
  width: 24px;
  height: 21px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.settings-popover {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  z-index: 30;
  width: 250px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
  box-shadow: var(--shadow);
}

.settings-popover[hidden] {
  display: none;
}

.settings-group {
  display: grid;
  gap: 4px;
  padding: 8px;
}

.settings-group + .settings-group {
  margin-top: 6px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.settings-group p {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.settings-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 38px;
  width: 100%;
  padding: 0 10px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--muted-strong);
  text-align: left;
  cursor: pointer;
}

.settings-option:hover {
  background: rgba(127, 127, 127, 0.08);
  color: var(--text);
}

.settings-option[aria-pressed="true"] {
  background: var(--accent-soft);
  color: var(--text);
}

.settings-check {
  width: 8px;
  height: 14px;
  margin-left: 14px;
  border-right: 2px solid transparent;
  border-bottom: 2px solid transparent;
  transform: rotate(45deg);
}

.settings-option[aria-pressed="true"] .settings-check {
  border-color: var(--accent);
}

.hero {
  position: relative;
  min-height: 620px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero-backdrop {
  position: absolute;
  inset: 0;
  background: var(--hero-overlay), var(--hero-sky);
}

.hero-backdrop::after {
  position: absolute;
  inset: auto 0 0;
  height: 46%;
  content: "";
  background:
    linear-gradient(12deg, rgba(4, 7, 12, 0.62), transparent 58%),
    radial-gradient(ellipse at 65% 88%, rgba(22, 27, 34, 0.56), transparent 42%);
  clip-path: polygon(0 60%, 16% 46%, 30% 56%, 44% 38%, 58% 58%, 72% 42%, 100% 54%, 100% 100%, 0 100%);
}

.hero-content {
  position: relative;
  display: grid;
  grid-template-columns: minmax(520px, 0.95fr) minmax(420px, 1.05fr);
  align-items: center;
  gap: 46px;
  width: min(100% - 40px, var(--max));
  min-height: 620px;
  margin: 0 auto;
  padding: 104px 0 32px;
}

.hero-copy {
  max-width: 620px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

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

h1 {
  margin-bottom: 22px;
  font-size: clamp(3.2rem, 7.2vw, 5.8rem);
  line-height: 0.94;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2.2rem, 4.2vw, 4.1rem);
  line-height: 1.04;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 8px;
  font-size: 1.1rem;
}

.lead {
  max-width: 560px;
  color: var(--muted-strong);
  font-size: 1.15rem;
}

.hero-actions {
  margin-top: 34px;
  flex-wrap: wrap;
}

.hero-visual {
  align-self: end;
  min-width: 0;
}

.hero-screenshot {
  display: block;
  width: min(100%, 700px, 46vw);
  height: auto;
  margin-left: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.route-line {
  position: absolute;
  left: 54%;
  top: 12%;
  width: 3px;
  height: 74%;
  border-radius: 999px;
  background: var(--accent);
  transform: rotate(-16deg);
  box-shadow: 0 0 0 4px rgba(77, 125, 255, 0.2);
}

.section {
  width: min(100% - 40px, var(--max));
  margin: 0 auto;
  padding: 72px 0;
  border-bottom: 1px solid var(--line);
}

.section-split {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(0, 1.2fr);
  gap: 66px;
  align-items: start;
}

.section p {
  color: var(--muted-strong);
}

.feature-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.feature-row article {
  min-width: 0;
}

.icon {
  display: block;
  width: 40px;
  height: 40px;
  margin-bottom: 22px;
  border: 2px solid var(--accent);
  border-radius: 8px;
  background: var(--accent-soft);
}

.icon.stack {
  box-shadow: 9px 9px 0 -4px var(--bg), 9px 9px 0 -2px var(--accent);
}

.icon.journal {
  border-radius: 4px;
  background: linear-gradient(90deg, var(--accent-soft) 0 26%, transparent 26%);
}

.icon.map {
  border-radius: 999px 999px 999px 2px;
  transform: rotate(-45deg);
}

.icon.people {
  width: 48px;
  border-radius: 999px 999px 8px 8px;
}

.section-heading {
  max-width: 680px;
  margin-bottom: 38px;
}

.showcase-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 22px;
}

.screenshot-card {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
  box-shadow: 0 16px 44px rgba(30, 34, 43, 0.08);
}

.screenshot-card.large {
  grid-row: span 2;
}

.memories-screenshot {
  display: block;
  width: 100%;
  height: auto;
  margin-bottom: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-soft);
}

.context-screenshot {
  display: block;
  width: 100%;
  height: auto;
  margin-bottom: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-soft);
}

.mobile-screenshot {
  display: block;
  width: min(100%, 210px);
  height: auto;
  margin: 0 auto 20px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--bg-soft);
  box-shadow: 0 18px 46px rgba(30, 34, 43, 0.12);
}

.selfhosted {
  display: grid;
  grid-template-columns: minmax(260px, 0.85fr) minmax(0, 1.15fr);
  gap: 54px;
  align-items: center;
}

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

.trust-grid article {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
}

.trust-grid span {
  display: inline-flex;
  margin-bottom: 12px;
  color: var(--accent);
  font-weight: 900;
}

.trust-grid p {
  margin: 0;
}

.final-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  border-bottom: 0;
}

.final-cta img {
  width: 54px;
  height: 58px;
  margin-bottom: 18px;
}

.final-cta h2 {
  max-width: 620px;
  font-size: clamp(2rem, 4vw, 3.4rem);
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  padding: 30px 20px 42px;
  color: var(--muted);
}

.site-footer span {
  color: var(--text);
  font-weight: 900;
}

@media (max-width: 980px) {
  .site-header {
    position: absolute;
    flex-wrap: wrap;
  }

  .main-nav {
    order: 3;
    width: 100%;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .header-actions {
    margin-left: auto;
  }

  .hero,
  .hero-content {
    min-height: auto;
  }

  .hero-content,
  .section-split,
  .selfhosted {
    grid-template-columns: 1fr;
  }

  .hero-content {
    padding-top: 190px;
  }

  .feature-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .showcase-grid {
    grid-template-columns: 1fr;
  }

  .screenshot-card.large {
    grid-row: auto;
  }

  .final-cta {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .site-header {
    width: min(100% - 20px, var(--max));
    margin-top: 10px;
  }

  .header-actions .button {
    display: none;
  }

  .settings-toggle {
    width: 44px;
    height: 40px;
  }

  .settings-popover {
    right: -78px;
    width: min(250px, calc(100vw - 28px));
  }

  .hero-content,
  .section {
    width: min(100% - 28px, var(--max));
  }

  .hero-content {
    padding-top: 178px;
  }

  h1 {
    font-size: 3.15rem;
  }

  .lead {
    font-size: 1rem;
  }

  .feature-row,
  .trust-grid {
    grid-template-columns: 1fr;
  }

  .final-actions,
  .hero-actions {
    width: 100%;
  }

  .button {
    flex: 1;
  }
}