/* ===== Tokens ===== */
:root {
  --bg: #0B1A30;
  --bg-deep: #071222;
  --panel: #132A4A;
  --panel-line: #27446E;
  --line: #22385A;
  --brand: #3A6BB0;
  --brand-mid: #1C3A66;
  --text: #F4F7FB;
  --text-soft: #B7C6DC;
  --text-lede: #C9D6EA;
  --text-mute: #8FA6C6;
  --accent: #5AC8F5;
  --accent-hover: #9FDFF9;
  --accent-light: #D2F0FC;
  --font-sans: 'Plus Jakarta Sans', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, monospace;
  --container: 1200px;
  --gutter: 24px;
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1 0 auto;
  width: 100%;
}

a {
  color: var(--accent);
  transition: color 0.15s ease;
}

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

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

img, svg {
  max-width: 100%;
}

img {
  height: auto;
}

ul {
  list-style: none;
}

[id] {
  scroll-margin-top: 24px;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
}

.accent {
  color: var(--accent);
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -100px;
  z-index: 10;
  padding: 12px 18px;
  border-radius: 22px;
  background: var(--accent);
  color: var(--bg);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
}

.skip-link:focus {
  top: 12px;
  color: var(--bg);
}

/* ===== Header ===== */
.site-header {
  position: relative;
  z-index: 2;
  background: var(--brand);
}

.header-container {
  max-width: calc(var(--container) + 2 * var(--gutter));
  margin: 0 auto;
  padding: 20px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  text-decoration: none;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.3px;
  white-space: nowrap;
}

.logo:hover {
  color: var(--text);
}

.logo img {
  display: block;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--text);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 28px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 15px;
  font-weight: 600;
}

.main-nav a {
  display: inline-block;
  padding-block: 6px;
  color: #fff;
  text-decoration: none;
  text-underline-offset: 6px;
  text-decoration-thickness: 2px;
}

.main-nav a:hover,
.main-nav a.active {
  color: #fff;
  text-decoration-line: underline;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0 10px;
  background: none;
  border: 0;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  height: 2px;
  border-radius: 1px;
  background: var(--text);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  background: linear-gradient(180deg, var(--brand) 0%, var(--brand-mid) 62%, var(--bg) 100%);
  padding: 72px var(--gutter) 0;
}

.hero-contours {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  pointer-events: none;
  stroke: rgba(90, 200, 245, 0.16);
}

.hero-content {
  position: relative;
  max-width: 980px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
  text-align: center;
}

.hero h1 {
  font-size: clamp(24px, 8vw, 84px);
  line-height: 1.06;
  font-weight: 800;
  letter-spacing: -2px;
}

.hero .eyebrow {
  color: var(--accent-light);
}

.hero h1 span {
  display: block;
}

.hero-lede {
  max-width: 640px;
  font-size: 20px;
  line-height: 1.6;
  color: var(--text-lede);
  text-wrap: balance;
}

.badge {
  display: inline-block;
}

.badge img {
  display: block;
  width: 210px;
}

.hero .badge {
  margin-top: 8px;
}

.hero-devices {
  position: relative;
  max-width: 860px;
  margin: 72px auto 0;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 4%;
}

.hero-devices .device--iphone {
  width: 40%;
  max-width: 340px;
}

.hero-devices .device--duo {
  width: 49%;
  max-width: 420px;
  margin-top: 14%;
}

/* ===== Device renders (frames are baked into the images) ===== */
.device {
  display: block;
  min-width: 0;
  height: auto;
  filter: drop-shadow(0 40px 60px rgba(3, 10, 25, 0.55));
}

.device--iphone {
  width: 340px;
}

.device--duo {
  width: 420px;
}

.device--watch {
  width: 180px;
  filter: drop-shadow(0 24px 40px rgba(3, 10, 25, 0.55));
}

/* ===== Works With ===== */
.works-with {
  position: relative;
  z-index: 1;
  margin-top: max(-120px, -11vw);
  background: var(--bg);
  border-top: 1px solid var(--line);
  padding: 36px var(--gutter);
}

.works-with-label {
  margin-bottom: 14px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
}

.works-with ul {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 14px 40px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-mute);
}

/* ===== Features ===== */
.features {
  position: relative;
  z-index: 1;
  background: var(--bg);
  padding: 64px var(--gutter) 40px;
}

.features-container {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 120px;
}

.feature {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 64px;
}

.feature--flip {
  flex-wrap: wrap-reverse;
}

.feature-copy {
  flex: 1 1 420px;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.feature-copy h2 {
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: -1px;
}

.feature-copy p:not(.eyebrow) {
  font-size: 18px;
  line-height: 1.7;
  color: var(--text-soft);
  text-wrap: pretty;
}

.feature-media {
  flex: 1 1 420px;
  min-width: 0;
  display: flex;
  justify-content: center;
}

.feature-media .device {
  max-width: 100%;
}

.feature-media--pair {
  align-items: flex-end;
  gap: 24px;
}

.feature-media--pair .device--iphone {
  width: 300px;
  flex: 0 1 auto;
}

.feature-media--pair .device--watch {
  flex: 0 1 auto;
}

.feature-media--pair .device--duo {
  width: 300px;
  flex: 0 1 auto;
}

.feature-media--pair .device--iphone + .device--duo {
  margin-bottom: 8%;
}

/* ===== Day or Night ===== */
.daynight {
  position: relative;
  z-index: 1;
  background: var(--bg);
  padding: 120px var(--gutter) 40px;
  text-align: center;
}

.daynight-copy {
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.daynight-copy h2 {
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: -1px;
}

.daynight-copy p:not(.eyebrow) {
  font-size: 18px;
  line-height: 1.7;
  color: var(--text-soft);
  text-wrap: balance;
}

.daynight-devices {
  max-width: 720px;
  margin: 64px auto 0;
  display: flex;
  justify-content: center;
  gap: 6%;
}

.daynight-devices .device {
  width: 44%;
  max-width: 300px;
}

/* ===== Pro ===== */
.pro {
  background: var(--bg);
  padding: 80px var(--gutter);
}

.pro-panel {
  max-width: var(--container);
  margin: 0 auto;
  border-radius: 32px;
  background: var(--panel);
  border: 1px solid var(--panel-line);
  padding: 56px 48px;
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.pro-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
}

.pro-title {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pro-title h2 {
  font-size: clamp(30px, 3.6vw, 44px);
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: -1px;
}

.pro-price {
  font-size: 18px;
  color: var(--text-soft);
}

.pro-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.pro-card {
  padding: 28px;
  border-radius: 20px;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pro-card svg {
  color: var(--accent);
}

.pro-card h3 {
  font-size: 20px;
  font-weight: 700;
}

.pro-card p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-soft);
}

/* ===== CTA ===== */
.cta {
  background: linear-gradient(180deg, var(--bg) 0%, var(--brand-mid) 100%);
  padding: 96px var(--gutter);
  text-align: center;
}

.cta-content {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.cta-logo {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: var(--text);
}

.cta h2 {
  font-size: clamp(32px, 4.4vw, 56px);
  line-height: 1.08;
  font-weight: 800;
  letter-spacing: -1.5px;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-deep);
  padding: 40px var(--gutter);
}

.footer-container {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  font-size: 14px;
  color: var(--text-mute);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
}

.footer-nav a {
  display: inline-block;
  padding-block: 6px;
  color: var(--text-soft);
  text-decoration: none;
}

.footer-nav a:hover {
  color: var(--text);
}

/* ===== Content pages (Privacy) ===== */
.page-content {
  max-width: 760px;
  margin: 0 auto;
  padding: 72px var(--gutter) 96px;
}

.prose h1 {
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1.08;
  font-weight: 800;
  letter-spacing: -1.5px;
  margin-bottom: 32px;
}

.prose h2 {
  font-size: 24px;
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -0.3px;
  margin: 48px 0 12px;
}

.prose p,
.prose li {
  font-size: 17px;
  line-height: 1.7;
  color: var(--text-soft);
}

.prose p {
  margin-bottom: 16px;
}

.prose ul {
  list-style: disc;
  margin: 0 0 16px 24px;
}

.prose li::marker {
  color: var(--accent);
}

/* ===== Placeholder (Knowledge Base) ===== */
.placeholder-content {
  max-width: 640px;
  margin: 0 auto;
  min-height: 60vh;
  padding: 96px var(--gutter);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  text-align: center;
}

.placeholder-content h1 {
  font-size: clamp(40px, 6vw, 72px);
  line-height: 1.06;
  font-weight: 800;
  letter-spacing: -2px;
}

.placeholder-content p:not(.eyebrow) {
  font-size: 18px;
  line-height: 1.7;
  color: var(--text-soft);
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .works-with ul {
    gap: 14px 28px;
  }

  .features-container {
    gap: 88px;
  }

  .feature {
    gap: 40px;
  }

  .pro-panel {
    padding: 40px 32px;
  }
}

@media (max-width: 720px) {
  .header-container {
    position: relative;
    padding: 14px var(--gutter);
  }

  .header-actions {
    gap: 4px;
  }

  .logo {
    gap: 8px;
    font-size: 18px;
  }

  .logo img {
    width: 36px;
    height: 36px;
  }

  .menu-toggle {
    display: flex;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 4px var(--gutter) 12px;
    background: var(--brand);
    border-top: 1px solid rgba(255, 255, 255, 0.16);
    box-shadow: 0 24px 40px rgba(3, 10, 25, 0.35);
  }

  .main-nav.open {
    display: flex;
  }

  .main-nav a {
    display: block;
    padding: 14px 0;
    font-size: 16px;
  }

  .hero {
    padding-top: 48px;
  }

  .hero-content {
    gap: 22px;
  }

  .hero h1 {
    letter-spacing: -1px;
  }

  .hero-lede {
    font-size: 18px;
  }

  .hero-devices {
    margin-top: 48px;
  }

  .works-with {
    padding: 28px var(--gutter);
  }

  .works-with ul {
    gap: 10px 24px;
    font-size: 13px;
  }

  .features {
    padding-top: 48px;
  }

  .features-container {
    gap: 72px;
  }

  .feature-copy p:not(.eyebrow) {
    font-size: 17px;
  }

  .device--iphone,
  .device--duo {
    width: 76%;
  }

  .feature-media--pair {
    gap: 16px;
  }

  .feature-media--pair .device--iphone {
    width: 52%;
  }

  .feature-media--pair .device--duo {
    width: 48%;
  }

  .feature-media--pair .device--watch {
    width: 32%;
  }

  .daynight {
    padding-top: 72px;
  }

  .daynight-copy p:not(.eyebrow) {
    font-size: 17px;
  }

  .daynight-devices {
    margin-top: 40px;
  }

  .pro {
    padding: 56px 16px;
  }

  .pro-panel {
    padding: 32px 20px;
    border-radius: 24px;
    gap: 28px;
  }

  .pro-price {
    font-size: 16px;
  }

  .cta {
    padding: 72px var(--gutter);
  }

  .site-footer {
    padding: 32px var(--gutter);
  }

  .page-content {
    padding: 48px var(--gutter) 72px;
  }
}

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

  * {
    transition: none !important;
  }
}