:root {
  color-scheme: dark;
  --canvas: #151a20;
  --surface: #20262e;
  --raised: #2c3540;
  --text: #f7fafc;
  --secondary: #b7c2cd;
  --action: #3868e8;
  --action-hover: #315ed8;
  --baby-blue: #bde8ff;
  --cream: #f4eedf;
  --ink: #0b1118;
  --border: #43505d;
  --outline: #81919f;
  --green: #66d69d;
  --max-width: 1200px;
  font-family: 'Segoe UI Variable', 'Segoe UI', Arial, sans-serif;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--canvas);
  color: var(--text);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

img {
  display: block;
  max-width: 100%;
}

.skip-link {
  position: fixed;
  z-index: 20;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--text);
  color: var(--ink);
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: relative;
  z-index: 10;
  display: flex;
  width: min(calc(100% - 48px), var(--max-width));
  min-height: 90px;
  margin: 0 auto;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.brand-mark {
  width: 44px;
  height: 44px;
  flex: none;
}
.brand strong {
  display: block;
  font-size: 18px;
  font-weight: 650;
  line-height: 1.1;
  letter-spacing: 0.01em;
}
.brand small {
  display: block;
  margin-top: 4px;
  color: var(--baby-blue);
  font-size: 10px;
  line-height: 1;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

nav {
  display: flex;
  gap: 34px;
}
nav a {
  color: var(--secondary);
  font-size: 15px;
  text-decoration: none;
}
nav a:hover {
  color: var(--text);
}

.button {
  display: inline-flex;
  min-height: 52px;
  padding: 0 22px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 1px solid var(--outline);
  border-radius: 12px;
  font-weight: 600;
  text-decoration: none;
  transition:
    background-color 140ms ease,
    border-color 140ms ease;
}

.button:hover {
  border-color: var(--baby-blue);
}
.button-small {
  min-height: 44px;
  padding: 0 18px;
  font-size: 14px;
}
.button-primary {
  border-color: var(--action);
  background: var(--action);
  color: white;
}
.button-primary:hover {
  border-color: var(--action-hover);
  background: var(--action-hover);
}
.button-primary svg {
  width: 24px;
  fill: currentColor;
}
.button-primary small {
  display: block;
  margin-top: 1px;
  font-size: 11px;
  font-weight: 450;
  opacity: 0.78;
}
.button-light {
  border-color: var(--text);
  background: var(--text);
  color: var(--ink);
}
.button-light:hover {
  border-color: var(--baby-blue);
  background: var(--baby-blue);
}

.hero {
  display: grid;
  width: min(calc(100% - 48px), var(--max-width));
  min-height: 680px;
  margin: 0 auto;
  padding: 86px 0 76px;
  grid-template-columns: 0.84fr 1.16fr;
  align-items: center;
  gap: 72px;
}

.eyebrow {
  margin: 0 0 20px;
  color: var(--baby-blue);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.eyebrow span {
  display: inline-block;
  width: 28px;
  height: 1px;
  margin: 0 12px 4px 0;
  background: currentColor;
}
h1,
h2,
h3,
p {
  margin-top: 0;
}
h1 {
  margin-bottom: 26px;
  font-size: clamp(56px, 6.1vw, 88px);
  font-weight: 420;
  letter-spacing: -0.055em;
  line-height: 0.96;
}
h1 span {
  color: var(--baby-blue);
}
.hero-intro {
  max-width: 560px;
  margin-bottom: 30px;
  color: var(--secondary);
  font-size: 20px;
  line-height: 1.55;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 24px;
}
.text-link {
  color: var(--baby-blue);
  font-weight: 600;
  text-decoration: none;
}
.text-link:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}
.quiet-note {
  margin: 20px 0 0;
  color: #9cabb8;
  font-size: 13px;
}

.hero-visual {
  position: relative;
  padding: 0 0 52px 28px;
}
.window-frame {
  overflow: hidden;
  border: 1px solid #566575;
  border-radius: 18px;
  background: #11171d;
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.34);
  transform: rotate(0.25deg);
}
.window-bar {
  position: relative;
  display: flex;
  height: 39px;
  padding: 0 14px;
  align-items: center;
  gap: 7px;
  border-bottom: 1px solid #394652;
  background: #1a2027;
}
.window-bar span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #687886;
}
.window-bar p {
  position: absolute;
  left: 50%;
  top: 10px;
  margin: 0;
  color: #aab7c1;
  font-size: 11px;
  transform: translateX(-50%);
}
.window-frame img {
  width: 100%;
  height: auto;
}
.setup-card {
  position: absolute;
  right: -24px;
  bottom: -10px;
  width: 235px;
  padding: 24px 26px 22px;
  border-radius: 16px;
  background: var(--cream);
  color: var(--ink);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.27);
}
.setup-card p {
  margin-bottom: 0;
  color: #5d6b7a;
  font-size: 14px;
}
.setup-card .card-label {
  margin-bottom: 6px;
  color: var(--ink);
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.setup-card .setup-time {
  display: flex;
  align-items: baseline;
  gap: 7px;
  color: var(--ink);
}
.setup-time strong {
  font-size: 46px;
  font-weight: 450;
  letter-spacing: -0.04em;
}

.trust-strip {
  display: grid;
  width: min(calc(100% - 48px), var(--max-width));
  margin: 0 auto;
  padding: 22px 0;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.trust-strip p {
  margin: 0;
  color: var(--secondary);
  font-size: 14px;
  text-align: center;
}
.trust-strip p + p {
  border-left: 1px solid var(--border);
}
.trust-strip span {
  margin-right: 8px;
  color: var(--green);
}

.section {
  width: min(calc(100% - 48px), var(--max-width));
  margin: 0 auto;
  padding: 116px 0;
}
.section-heading {
  max-width: 680px;
}
h2 {
  margin-bottom: 26px;
  font-size: clamp(40px, 5vw, 66px);
  font-weight: 430;
  letter-spacing: -0.045em;
  line-height: 1.03;
}
.section-lede {
  max-width: 700px;
  margin-bottom: 52px;
  color: var(--secondary);
  font-size: 20px;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.feature {
  position: relative;
  min-height: 330px;
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
}
.feature-wide {
  display: grid;
  min-height: 260px;
  grid-column: 1 / -1;
  grid-template-columns: 38px 1fr 0.9fr;
  gap: 28px;
  align-items: center;
  background: linear-gradient(118deg, #20262e 20%, #243143 100%);
}
.feature-index {
  color: var(--baby-blue);
  font-size: 12px;
  letter-spacing: 0.13em;
}
.feature h3,
.quick-start h3,
.privacy-list h3 {
  margin-bottom: 12px;
  font-size: 22px;
  font-weight: 560;
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.feature p:not(.feature-index) {
  color: var(--secondary);
}
.feature-icon {
  display: grid;
  width: 66px;
  height: 66px;
  margin: 32px 0 36px;
  place-items: center;
  border: 1px solid #65809a;
  border-radius: 50%;
  color: var(--baby-blue);
  font-size: 23px;
}
.feature-icon-bars {
  grid-auto-flow: column;
  gap: 4px;
}
.feature-icon-bars i {
  display: block;
  width: 4px;
  border-radius: 2px;
  background: var(--baby-blue);
}
.feature-icon-bars i:nth-child(1) {
  height: 20px;
}
.feature-icon-bars i:nth-child(2) {
  height: 30px;
}
.feature-icon-bars i:nth-child(3) {
  height: 24px;
}
.feature-icon-voice {
  font-size: 14px;
  letter-spacing: -3px;
}
.mini-plan {
  display: grid;
  gap: 8px;
}
.mini-plan span {
  display: flex;
  padding: 13px 15px;
  justify-content: space-between;
  border: 1px solid #526172;
  border-radius: 9px;
  color: var(--secondary);
}
.mini-plan span.active {
  border-color: var(--action);
  background: var(--action);
  color: white;
}
.mini-plan i {
  font-style: normal;
}
.mini-plan b {
  font-weight: 600;
}

.quick-start {
  border-top: 1px solid var(--border);
}
.quick-start ol {
  display: grid;
  margin: 52px 0 44px;
  padding: 0;
  grid-template-columns: repeat(3, 1fr);
  list-style: none;
}
.quick-start li {
  display: flex;
  min-height: 148px;
  padding: 0 32px;
  gap: 18px;
  border-left: 1px solid var(--border);
}
.quick-start li:first-child {
  padding-left: 0;
  border-left: 0;
}
.quick-start li > span {
  color: var(--baby-blue);
  font-size: 12px;
  letter-spacing: 0.13em;
}
.quick-start li p {
  color: var(--secondary);
}

.privacy-section {
  display: grid;
  width: 100%;
  max-width: none;
  padding: 112px max(24px, calc((100vw - var(--max-width)) / 2));
  grid-template-columns: 0.9fr 1.1fr;
  gap: 90px;
  background: var(--cream);
  color: var(--ink);
}
.privacy-copy .eyebrow {
  color: #2457d6;
}
.privacy-copy > p:last-child {
  color: #5d6b7a;
  font-size: 19px;
}
.privacy-list {
  display: grid;
  gap: 12px;
}
.privacy-list article {
  display: grid;
  padding: 20px 22px;
  grid-template-columns: 48px 1fr;
  gap: 16px;
  border: 1px solid #cad0d4;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.52);
}
.privacy-list article > span {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 50%;
  background: #dceaf5;
  color: #17388f;
  font-weight: 700;
}
.privacy-list h3 {
  margin-bottom: 4px;
}
.privacy-list p {
  margin: 0;
  color: #5d6b7a;
  font-size: 15px;
}

.faq {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 80px;
}
.faq-list {
  border-top: 1px solid var(--border);
}
details {
  border-bottom: 1px solid var(--border);
}
summary {
  position: relative;
  padding: 26px 44px 26px 0;
  cursor: pointer;
  font-size: 19px;
  font-weight: 550;
  list-style: none;
}
summary::-webkit-details-marker {
  display: none;
}
summary::after {
  position: absolute;
  right: 4px;
  content: '+';
  color: var(--baby-blue);
  font-size: 26px;
  font-weight: 300;
}
details[open] summary::after {
  content: '−';
}
details p {
  max-width: 680px;
  padding: 0 40px 24px 0;
  color: var(--secondary);
}

.closing-cta {
  display: flex;
  width: min(calc(100% - 48px), var(--max-width));
  margin: 0 auto 46px;
  padding: 58px 64px;
  align-items: center;
  justify-content: space-between;
  border-radius: 18px;
  background: var(--action);
}
.closing-cta .eyebrow {
  margin-bottom: 12px;
  color: white;
  opacity: 0.85;
}
.closing-cta h2 {
  margin: 0;
  font-size: clamp(38px, 5vw, 60px);
}

footer {
  display: grid;
  width: min(calc(100% - 48px), var(--max-width));
  min-height: 150px;
  margin: 0 auto;
  grid-template-columns: 1fr 1fr auto;
  align-items: center;
  gap: 40px;
  border-top: 1px solid var(--border);
  color: #94a2ae;
  font-size: 13px;
}
footer p {
  margin: 0;
}

:focus-visible {
  outline: 3px solid var(--baby-blue);
  outline-offset: 4px;
}

@media (max-width: 980px) {
  nav {
    display: none;
  }
  .hero {
    min-height: 0;
    padding-top: 68px;
    grid-template-columns: 1fr;
    gap: 56px;
  }
  .hero-copy {
    max-width: 670px;
  }
  .hero-visual {
    width: min(100%, 760px);
    margin: 0 auto;
  }
  .feature-grid {
    grid-template-columns: 1fr 1fr;
  }
  .feature-wide {
    grid-column: 1 / -1;
  }
  .feature:last-child {
    grid-column: 1 / -1;
    min-height: 260px;
  }
  .privacy-section,
  .faq {
    grid-template-columns: 1fr;
    gap: 48px;
  }
}

@media (max-width: 680px) {
  body {
    font-size: 16px;
  }
  .site-header,
  .hero,
  .trust-strip,
  .section,
  .closing-cta,
  footer {
    width: min(calc(100% - 32px), var(--max-width));
  }
  .site-header {
    min-height: 76px;
  }
  .site-header .brand small {
    display: none;
  }
  .site-header .button {
    min-height: 42px;
    padding: 0 13px;
  }
  .brand-mark {
    width: 38px;
    height: 38px;
  }
  .hero {
    padding: 58px 0 56px;
  }
  h1 {
    font-size: clamp(51px, 15vw, 68px);
  }
  .hero-intro {
    font-size: 18px;
  }
  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }
  .hero-actions .text-link {
    padding: 4px 2px;
  }
  .hero-visual {
    padding-left: 0;
  }
  .window-frame {
    border-radius: 12px;
  }
  .setup-card {
    right: -4px;
    bottom: -4px;
    width: 185px;
    padding: 16px 18px;
  }
  .setup-time strong {
    font-size: 36px;
  }
  .setup-card p {
    font-size: 12px;
  }
  .trust-strip {
    grid-template-columns: 1fr;
  }
  .trust-strip p {
    padding: 11px 0;
    text-align: left;
  }
  .trust-strip p + p {
    border-top: 1px solid var(--border);
    border-left: 0;
  }
  .section {
    padding: 86px 0;
  }
  .feature-grid {
    grid-template-columns: 1fr;
  }
  .feature-wide {
    display: block;
  }
  .feature {
    min-height: 0;
  }
  .feature-icon {
    margin: 24px 0 28px;
  }
  .mini-plan {
    margin-top: 28px;
  }
  .quick-start ol {
    grid-template-columns: 1fr;
  }
  .quick-start li,
  .quick-start li:first-child {
    min-height: 0;
    padding: 22px 0;
    border-top: 1px solid var(--border);
    border-left: 0;
  }
  .privacy-section {
    width: 100%;
    padding: 84px 16px;
  }
  .privacy-list article {
    padding: 18px 16px;
    grid-template-columns: 42px 1fr;
    gap: 12px;
  }
  .faq {
    gap: 28px;
  }
  .closing-cta {
    margin-bottom: 34px;
    padding: 42px 26px;
    align-items: stretch;
    flex-direction: column;
    gap: 30px;
  }
  footer {
    padding: 34px 0;
    grid-template-columns: 1fr;
    gap: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}