/* SyncTake's existing ink/amber identity, with a product-led composition.
   Design variance 6, motion 3, density 3. Native CSS; no framework migration.
   Layers: device overlap 1–2, sticky navigation 3, skip link 4. */
@font-face {
  font-family: Geist;
  src: url("./fonts/geist.woff2") format("woff2");
  font-weight: 400 700;
  font-display: swap;
}
@font-face {
  font-family: "Big Shoulders Display";
  src: url("./fonts/big-shoulders.woff2") format("woff2");
  font-weight: 500 900;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("./fonts/ibm-plex-mono.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}
:root {
  color-scheme: dark;
  --bg: #101011;
  --surface: #181819;
  --raised: #202021;
  --line: #303032;
  --ink: #f3f2ed;
  --muted: #aaa9a6;
  --amber: #f5b544;
  --error: #ffaba5;
  --sans: Geist, system-ui, sans-serif;
  --mono: "IBM Plex Mono", monospace;
  --display: "Big Shoulders Display", sans-serif;
  --wrap: 1200px;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1,
h2,
h3,
p,
figure,
dl,
dd {
  margin: 0;
}
a {
  color: inherit;
  text-decoration: none;
}
button,
input {
  font: inherit;
}
button,
a,
input,
summary {
  -webkit-tap-highlight-color: transparent;
}
button {
  cursor: pointer;
}
img {
  display: block;
  max-width: 100%;
  height: auto;
}
button:disabled {
  cursor: wait;
}
::selection {
  background: var(--amber);
  color: var(--bg);
}
:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 5px;
}
input:focus-visible {
  outline-offset: 3px;
}
.wrap {
  width: min(var(--wrap), calc(100% - 96px));
  margin-inline: auto;
}
.section {
  padding-block: 110px;
}
h1,
h2,
h3 {
  text-wrap: balance;
}
p {
  text-wrap: pretty;
}
h2 {
  font-size: clamp(36px, 4.1vw, 55px);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.05em;
}
h3 {
  font-size: 21px;
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: -0.02em;
}
.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1.6;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--amber);
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}
.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  padding: 12px 20px;
  z-index: 4;
  background: var(--amber);
  color: var(--bg);
  transform: translateY(-150%);
}
.skip-link:focus {
  transform: translateY(0);
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 3;
  background: rgba(16, 16, 17, 0.94);
  border-bottom: 1px solid #ffffff0b;
  backdrop-filter: blur(16px);
}
.nav-wrap {
  width: min(var(--wrap), calc(100% - 96px));
  height: 76px;
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}
.wm {
  display: inline-flex;
  align-items: baseline;
  gap: 0.12em;
  white-space: nowrap;
  color: var(--ink);
}
.wm span {
  font-family: var(--display);
  font-weight: 500;
  letter-spacing: 0.34em;
  font-size: 14px;
}
.wm b {
  font-family: var(--display);
  font-weight: 900;
  letter-spacing: 0.02em;
  font-size: 20px;
}
.wm i {
  display: inline-block;
  width: 24px;
  height: 10px;
  margin-left: 0.5em;
  background: repeating-linear-gradient(
    -55deg,
    var(--ink) 0 5px,
    transparent 5px 10px
  );
}
.site-header nav {
  display: flex;
  gap: 30px;
  color: var(--muted);
  font-size: 13px;
}
.site-header nav a {
  padding: 12px 0;
  transition: color 0.18s;
}
.site-header nav a:hover {
  color: var(--ink);
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
  min-height: 54px;
  padding: 14px 22px;
  background: var(--amber);
  color: #17120a;
  border: 1px solid transparent;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.3;
  white-space: nowrap;
  transition:
    background 0.18s,
    transform 0.18s,
    box-shadow 0.18s;
}
.button:hover {
  background: #ffca6b;
  box-shadow: 0 4px 18px #f5b54413;
}
.button:active {
  transform: translateY(1px);
}
.button > span {
  font-size: 21px;
  font-weight: 400;
  line-height: 1;
}
.button-small {
  min-height: 42px;
  padding: 10px 15px;
  font-size: 12px;
  gap: 18px;
}
.button-small > span {
  font-size: 18px;
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  font-size: 14px;
  min-height: 44px;
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 5px;
  transition: text-decoration-color 0.18s;
}
.text-link:hover {
  text-decoration-color: currentColor;
}
.text-link > span {
  color: var(--muted);
  font-size: 18px;
}
.hero {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  align-items: center;
  gap: 20px;
  padding-block: 68px 70px;
  min-height: 650px;
}
.hero-copy {
  padding-bottom: 16px;
}
.hero h1 {
  font-size: clamp(66px, 7.4vw, 98px);
  line-height: 0.99;
  letter-spacing: -0.065em;
  font-weight: 500;
  margin-top: 24px;
}
.hero h1 span {
  color: var(--amber);
}
.hero-pitch {
  max-width: 420px;
  margin-top: 26px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.65;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-top: 32px;
}
.hero-note {
  font-size: 12px;
  color: var(--muted);
  margin-top: 18px;
}
.hero-product {
  min-width: 0;
}
.device-stage {
  height: 493px;
  position: relative;
  isolation: isolate;
  max-width: 540px;
  margin: auto;
}
.device-stage:before {
  content: "";
  position: absolute;
  inset: 25% 5% -1%;
  background: radial-gradient(ellipse, #8e6b3430, transparent 66%);
  z-index: -1;
}
.phone {
  padding: 5px;
  background: #111;
  border: 1px solid #686767;
  border-radius: 34px;
  box-shadow:
    0 0 0 3px #1d1d1e,
    0 28px 55px #0007;
  overflow: hidden;
}
.phone img {
  border-radius: 29px;
  width: 100%;
  height: auto;
}
.phone-slate {
  position: absolute;
  width: 205px;
  left: 8%;
  top: 21px;
  transform: rotate(-9deg);
  z-index: 1;
}
.phone-cam {
  position: absolute;
  width: 230px;
  right: 7%;
  top: 11px;
  transform: rotate(7deg);
  z-index: 2;
}
.hero-product > figcaption {
  font-size: 11px;
  color: var(--muted);
  text-align: center;
  margin-top: 21px;
}
.essentials {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  border-block: 1px solid var(--line);
  padding-block: 27px;
  color: var(--muted);
  font-size: 12px;
}
.essentials strong {
  font-weight: 500;
  color: var(--ink);
}
.section-heading > p {
  max-width: 510px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
  margin-top: 22px;
}
.workflow-layout {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 76px;
  align-items: center;
  margin-top: 58px;
}
.workflow-copy {
  display: grid;
  gap: 33px;
}
.workflow-copy article {
  position: relative;
  padding-left: 44px;
}
.workflow-copy p {
  font-size: 14px;
  color: var(--muted);
  margin-top: 10px;
  line-height: 1.75;
}
.step-number {
  position: absolute;
  left: 0;
  top: 4px;
  font: 11px var(--mono);
  color: var(--amber);
}
.set-demo {
  border: 1px solid #3a3938;
  background: #181818;
  border-radius: 12px;
  padding: 14px;
  box-shadow: 0 16px 45px #0002;
  min-width: 0;
}
.demo-top,
.demo-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.demo-top {
  padding: 4px 4px 18px;
  font-size: 13px;
}
.demo-status {
  font: 10px var(--mono);
  letter-spacing: 0.08em;
  color: var(--muted);
}
.set-demo.is-rolling .demo-status {
  color: var(--amber);
}
.monitor-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.monitor-grid figure {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: #111;
}
.monitor-grid img {
  width: 100%;
  aspect-ratio: 1.78;
  object-fit: cover;
}
.monitor-grid figcaption {
  display: flex;
  justify-content: space-between;
  gap: 4px;
  padding: 8px 9px;
  font: 9px var(--mono);
  color: #c8c6c2;
}
.monitor-grid time {
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}
.sound-tile {
  display: flex;
  flex-direction: column;
}
.waveform {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
  padding: 22px 15px;
  min-height: 80px;
}
.waveform i {
  display: block;
  width: 3px;
  height: var(--bar);
  min-height: 4px;
  background: #c19147;
  border-radius: 1px;
  transform: scaleY(0.42);
  transition: transform 0.3s;
}
.is-rolling .waveform i {
  transform: scaleY(1);
}
.demo-bottom {
  padding: 17px 3px 8px;
  font: 10px var(--mono);
  color: var(--muted);
}
.roll-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid #48433b;
  background: #24211c;
  color: var(--ink);
  border-radius: 5px;
  min-height: 40px;
  padding: 9px 12px;
  font-family: var(--sans);
  font-size: 11px;
  transition: background 0.18s;
}
.roll-button:hover {
  background: #383025;
}
.roll-button i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--amber);
}
.is-rolling .roll-button i {
  border-radius: 1px;
}
.demo-caption {
  font-size: 10px;
  color: var(--muted);
  margin: 11px 4px 2px;
  line-height: 1.6;
}
[hidden] {
  display: none !important;
}
.stations-section {
  background: #151516;
  border-block: 1px solid #ffffff07;
}
.station-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 90px;
  margin-top: 60px;
  align-items: center;
}
.station-visual {
  background: #1c1c1d;
  border: 1px solid #ffffff07;
  border-radius: 12px;
  padding: 42px 20px 25px;
  align-self: stretch;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}
.phone-stations {
  width: 234px;
  transform: rotate(-5deg);
  box-shadow: 24px 32px 45px #0004;
}
.station-visual figcaption {
  margin-top: 40px;
  text-align: center;
  font-size: 12px;
  color: var(--muted);
}
.station-groups {
  display: grid;
  gap: 30px;
}
.station-group + .station-group {
  padding-top: 28px;
  border-top: 1px solid var(--line);
}
.station-group h3 {
  font-size: 22px;
  margin-bottom: 19px;
}
.station-group dl {
  display: grid;
  gap: 14px;
}
.station-group dl > div {
  display: grid;
  grid-template-columns: 78px 1fr;
  gap: 18px;
  font-size: 13px;
  line-height: 1.6;
}
.station-group dt {
  color: #ece8df;
  font-weight: 500;
}
.station-group dd {
  color: var(--muted);
}
.faq-section {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 90px;
}
.faq-intro > p {
  margin-top: 22px;
  color: var(--muted);
  font-size: 14px;
}
.faq-intro .text-link {
  margin-top: 16px;
  color: var(--amber);
}
.faq-list {
  border-top: 1px solid var(--line);
}
details {
  border-bottom: 1px solid var(--line);
  padding: 20px 0;
}
summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  min-height: 28px;
  font-size: 15px;
  line-height: 1.4;
}
summary::-webkit-details-marker {
  display: none;
}
summary:after {
  content: "+";
  font-size: 24px;
  font-weight: 400;
  color: var(--muted);
  line-height: 1;
}
details[open] summary:after {
  content: "−";
}
details p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.8;
  margin-top: 14px;
  max-width: 62ch;
}
details summary:hover {
  color: var(--amber);
}
.signup {
  background: #1b1915;
  border-block: 1px solid #f5b5441a;
}
.signup-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 110px;
  align-items: center;
}
.signup h2 {
  font-size: clamp(40px, 4.4vw, 60px);
  margin-top: 20px;
}
.signup-copy > p:last-child {
  margin-top: 22px;
  color: #b9b5ab;
  max-width: 375px;
  font-size: 15px;
  line-height: 1.8;
}
.signup-form-panel {
  max-width: 400px;
  width: 100%;
  justify-self: end;
}
.form-heading {
  font-size: 21px;
  font-weight: 500;
  letter-spacing: -0.02em;
}
.form-subheading {
  font-size: 13px;
  margin-top: 5px;
  color: #b9b5ab;
}
.subscribe {
  margin-top: 27px;
  display: grid;
  gap: 10px;
  position: relative;
}
.subscribe label {
  font-size: 12px;
  color: #d7d3ca;
}
.subscribe input[type="email"] {
  width: 100%;
  min-height: 54px;
  border: 1px solid #514a3d;
  border-radius: 5px;
  background: #141311;
  color: var(--ink);
  padding: 14px 16px;
  font-size: 16px;
}
.subscribe input::placeholder {
  color: #a6a299;
}
.subscribe input[aria-invalid="true"] {
  border-color: var(--error);
}
.subscribe .button {
  margin-top: 4px;
  width: 100%;
  justify-content: space-between;
}
.subscribe .button:disabled {
  background: #b3945c;
  color: #17120a;
}
.subscribe .trap {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.form-msg {
  font-size: 13px;
  line-height: 1.6;
  min-height: 1.6em;
  margin-top: 14px;
}
.form-msg.bad {
  color: var(--error);
}
.form-msg.ok {
  color: var(--amber);
}
.form-note {
  font-size: 11px;
  line-height: 1.75;
  color: #b9b5ab;
  max-width: 380px;
}
.form-note a {
  text-decoration: underline;
}
footer {
  padding-block: 42px 26px;
}
.footer-top {
  display: flex;
  align-items: center;
  gap: 28px;
}
.footer-top > p {
  font-size: 12px;
  color: var(--muted);
}
.footer-top nav {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-left: auto;
  font-size: 12px;
  color: #c2bfba;
}
.footer-top nav a:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  padding-top: 23px;
  margin-top: 30px;
  color: var(--muted);
  font-size: 10px;
}
.byline {
  display: flex;
  align-items: center;
  gap: 6px;
}
.byline img {
  margin-right: 4px;
  opacity: 0.7;
}
.byline a:hover {
  color: var(--ink);
}
@media (min-width: 1440px) {
  .hero {
    min-height: 705px;
  }
  .device-stage {
    height: 540px;
  }
  .phone-cam {
    width: 250px;
    right: 6%;
  }
  .phone-slate {
    width: 222px;
    left: 7%;
    top: 29px;
  }
}
@media (max-width: 1100px) {
  .nav-wrap {
    height: 74px;
  }
  .hero {
    min-height: 600px;
    padding-block: 50px;
  }
  .hero h1 {
    font-size: 76px;
  }
  .hero-pitch {
    font-size: 16px;
    max-width: 355px;
  }
  .hero-actions {
    gap: 18px;
  }
  .hero-actions .text-link {
    font-size: 12px;
    gap: 8px;
  }
  .button {
    gap: 18px;
  }
  .device-stage {
    height: 440px;
  }
  .phone-cam {
    width: 200px;
    right: 0;
  }
  .phone-slate {
    width: 180px;
    left: 0;
  }
  .hero-product > figcaption {
    font-size: 10px;
  }
  .workflow-layout {
    gap: 40px;
    grid-template-columns: 0.85fr 1.15fr;
  }
  .station-layout,
  .faq-section {
    gap: 55px;
  }
  .signup-inner {
    gap: 60px;
  }
  .demo-shot {
    display: none;
  }
  .monitor-grid figcaption {
    font-size: 8px;
    padding-inline: 6px;
  }
}
@media (max-width: 767px) {
  html {
    scroll-padding-top: 86px;
  }
  .wrap,
  .nav-wrap {
    width: calc(100% - 40px);
  }
  .nav-wrap {
    height: 70px;
    gap: 10px;
  }
  .site-header nav {
    display: none;
  }
  .button-small {
    font-size: 11px;
    padding-inline: 12px;
    gap: 12px;
    min-height: 40px;
  }
  .wm span {
    font-size: 15px;
  }
  .wm b {
    font-size: 23px;
  }
  .hero {
    grid-template-columns: 1fr;
    gap: 30px;
    padding-block: 44px 36px;
    min-height: 0;
  }
  .hero-copy {
    padding: 0;
  }
  .eyebrow {
    font-size: 9px;
    letter-spacing: 0.11em;
  }
  .hero h1 {
    font-size: 76px;
    margin-top: 22px;
  }
  .hero-pitch {
    font-size: 16px;
    max-width: 370px;
    margin-top: 23px;
  }
  .hero-actions {
    margin-top: 27px;
    gap: 20px;
  }
  .hero-actions .button {
    padding-inline: 18px;
    min-height: 51px;
    font-size: 13px;
    gap: 22px;
  }
  .hero-actions .text-link {
    font-size: 12px;
    gap: 8px;
  }
  .hero-note {
    font-size: 11px;
    margin-top: 14px;
  }
  .device-stage {
    height: 416px;
    max-width: 380px;
    margin-top: 13px;
  }
  .phone-slate {
    width: 168px;
    left: 4%;
    top: 15px;
    border-radius: 29px;
  }
  .phone-cam {
    width: 190px;
    right: 3%;
    top: 0;
    border-radius: 29px;
  }
  .phone img {
    border-radius: 24px;
  }
  .hero-product > figcaption {
    margin-top: 16px;
    font-size: 10px;
  }
  .essentials {
    display: grid;
    gap: 12px;
    padding-block: 23px;
    font-size: 12px;
  }
  .section {
    padding-block: 72px;
  }
  h2 {
    font-size: 39px;
    letter-spacing: -0.045em;
  }
  .section-heading > p {
    font-size: 14px;
    margin-top: 20px;
    max-width: 390px;
  }
  .workflow-layout {
    grid-template-columns: 1fr;
    gap: 35px;
    margin-top: 37px;
  }
  .workflow-copy {
    gap: 25px;
  }
  .workflow-copy article {
    padding-left: 35px;
  }
  .workflow-copy h3 {
    font-size: 19px;
  }
  .workflow-copy p {
    font-size: 13px;
    max-width: 45ch;
  }
  .step-number {
    font-size: 10px;
  }
  .set-demo {
    padding: 10px;
    border-radius: 8px;
  }
  .demo-top {
    font-size: 12px;
  }
  .demo-status {
    font-size: 9px;
  }
  .monitor-grid {
    gap: 5px;
  }
  .monitor-grid figcaption {
    font-size: 8px;
    padding: 7px 5px;
  }
  .waveform {
    gap: 2px;
    padding: 16px 8px;
  }
  .demo-bottom {
    font-size: 9px;
    padding-top: 12px;
  }
  .roll-button {
    font-size: 10px;
    padding-inline: 10px;
  }
  .demo-caption {
    font-size: 9px;
  }
  .station-layout {
    grid-template-columns: 1fr;
    gap: 36px;
    margin-top: 34px;
  }
  .station-visual {
    padding: 32px 20px 23px;
    max-height: 435px;
  }
  .phone-stations {
    width: 162px;
    border-radius: 26px;
  }
  .phone-stations img {
    border-radius: 21px;
  }
  .station-visual figcaption {
    margin-top: 27px;
    font-size: 11px;
  }
  .station-groups {
    gap: 25px;
  }
  .station-group h3 {
    font-size: 22px;
  }
  .station-group dl > div {
    grid-template-columns: 70px 1fr;
    gap: 14px;
  }
  .station-group + .station-group {
    padding-top: 26px;
  }
  .faq-section {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .faq-intro h2 br {
    display: none;
  }
  .faq-intro > p {
    margin-top: 15px;
  }
  .faq-intro .text-link {
    margin-top: 6px;
  }
  .faq-list summary {
    font-size: 14px;
  }
  .signup-inner {
    grid-template-columns: 1fr;
    gap: 35px;
  }
  .signup h2 {
    font-size: 45px;
  }
  .signup-copy > p:last-child {
    font-size: 14px;
  }
  .signup-form-panel {
    justify-self: start;
    max-width: none;
  }
  .form-heading {
    font-size: 20px;
  }
  .footer-top {
    flex-wrap: wrap;
    gap: 17px;
  }
  .footer-top > p {
    margin-left: auto;
    font-size: 11px;
  }
  .footer-top nav {
    width: 100%;
    margin: 10px 0 0;
    justify-content: space-between;
    gap: 16px;
  }
  .footer-bottom {
    margin-top: 26px;
  }
  .footer-bottom img {
    width: 24px;
    height: auto;
  }
}
@media (max-width: 374px) {
  .wrap,
  .nav-wrap {
    width: calc(100% - 32px);
  }
  .hero h1 {
    font-size: 66px;
  }
  .hero-actions {
    gap: 14px;
  }
  .hero-actions .button {
    font-size: 12px;
    padding-inline: 12px;
    gap: 12px;
  }
  .hero-actions .text-link {
    font-size: 11px;
  }
  .device-stage {
    height: 360px;
  }
  .phone-cam {
    width: 166px;
    right: 1%;
  }
  .phone-slate {
    width: 146px;
    left: 2%;
  }
  .hero-pitch {
    font-size: 15px;
  }
  .essentials {
    font-size: 11px;
  }
  h2 {
    font-size: 35px;
  }
  .monitor-grid figcaption {
    font-size: 7px;
  }
  .demo-caption {
    font-size: 8px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
}
@media (prefers-reduced-transparency: reduce) {
  .site-header {
    background: var(--bg);
    backdrop-filter: none;
  }
}