:root {
  --bg: #061625;
  --bg-2: #081d30;
  --bg-3: #0a2740;
  --panel: #0b2942;
  --panel-2: #0e3350;
  --panel-3: #103b5c;
  --line: rgba(255, 255, 255, 0.12);
  --line-strong: rgba(255, 255, 255, 0.2);
  --text: #f3f8fc;
  --muted: #a7bdd0;
  --muted-2: #7f9bb1;
  --blue: #38bdf8;
  --cyan: #22d3ee;
  --teal: #2dd4bf;
  --orange: #fb923c;
  --radius: 26px;
  --max: 1160px;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.38);
  --shadow-soft: 0 14px 40px rgba(0, 0, 0, 0.25);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; background: #050f1a; }
section[id], [id] { scroll-margin-top: 96px; }

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 18% 0%, rgba(56, 189, 248, 0.10), transparent 32rem),
    radial-gradient(circle at 90% 10%, rgba(45, 212, 191, 0.08), transparent 30rem),
    linear-gradient(180deg, var(--bg), var(--bg-2) 48%, #050f1a 100%);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.menu-open { overflow: hidden; }

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
::selection { background: rgba(56, 189, 248, 0.35); }

.container {
  width: min(var(--max), calc(100% - 40px));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: #fff;
  color: #061625;
  padding: 10px 16px;
  z-index: 200;
  border-radius: 0 0 10px 0;
}
.skip-link:focus { left: 0; }

/* ---------- Floating header ---------- */

.site-header {
  position: fixed;
  inset: 12px 0 auto;
  z-index: 120;
  padding: 0 14px;
}

.header-pill {
  position: relative;
  z-index: 2;
  width: min(var(--max), 100%);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 9px 12px 9px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(6, 22, 37, 0.78);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  color: #fff;
  font-weight: 750;
  letter-spacing: -0.02em;
  font-size: 17px;
  min-width: 0;
}

.brand img {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.3);
  flex: 0 0 auto;
}

.header-spacer { flex: 1; }

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  text-decoration: none;
  font-size: 13px;
  font-weight: 700;
  color: #061625;
  background: #eaf6f7;
  padding: 9px 15px;
  border-radius: 999px;
  white-space: nowrap;
}
.header-cta:hover { background: #fff; }

.menu-toggle {
  width: 42px;
  height: 42px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
  cursor: pointer;
  flex: 0 0 auto;
}
.menu-toggle:hover { background: rgba(255, 255, 255, 0.12); }

.menu-toggle span {
  display: block;
  width: 17px;
  height: 1.5px;
  background: currentColor;
  border-radius: 2px;
  margin: 1.6px 0;
  transition: transform 180ms ease, opacity 180ms ease;
}

.menu-open .menu-toggle span:nth-child(1) { transform: translateY(4.7px) rotate(45deg); }
.menu-open .menu-toggle span:nth-child(2) { opacity: 0; }
.menu-open .menu-toggle span:nth-child(3) { transform: translateY(-4.7px) rotate(-45deg); }

.menu-overlay {
  position: fixed;
  inset: 0;
  z-index: 1;
  display: none;
  flex-direction: column;
  justify-content: center;
  padding: 110px 28px 40px;
  overflow-y: auto;
  background:
    radial-gradient(circle at 80% 10%, rgba(56, 189, 248, 0.16), transparent 30rem),
    linear-gradient(160deg, #061625, #0a2740);
}
.menu-open .menu-overlay { display: flex; }

.menu-overlay nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-width: 640px;
  margin: 0 auto;
  width: 100%;
}

.menu-overlay a {
  text-decoration: none;
  font-size: clamp(30px, 5vw, 52px);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.12;
  color: #eaf6f7;
  padding: 6px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.menu-overlay a:hover { color: var(--blue); }
.menu-overlay .menu-meta {
  margin: 22px auto 0;
  max-width: 640px;
  width: 100%;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 13px;
}
.menu-overlay .menu-meta a {
  font-size: 13px;
  font-weight: 600;
  border: 0;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.07);
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  overflow: hidden;
  padding: 150px 0 70px;
  text-align: center;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 48%, rgba(56, 189, 248, 0.14), transparent 34rem),
    radial-gradient(circle at 18% 12%, rgba(45, 212, 191, 0.08), transparent 24rem);
  pointer-events: none;
}

.hero .container { position: relative; }

.device-cluster {
  position: relative;
  height: 690px;
  max-width: 900px;
  margin: 42px auto 0;
}

.device {
  position: absolute;
  border-radius: 42px;
  padding: 8px;
  background: linear-gradient(150deg, #3b4b58, #070d13 58%);
  box-shadow: 0 38px 90px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255,255,255,0.16);
}

.device::before {
  content: "";
  position: absolute;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  width: 72px;
  height: 18px;
  border-radius: 999px;
  background: #04080c;
  z-index: 2;
}

.device img { border-radius: 34px; width: 100%; }

.device-main {
  width: min(300px, 42vw);
  left: 50%;
  top: 0;
  transform: translateX(-50%) rotate(-1.8deg);
  z-index: 3;
}

.device-left {
  width: min(205px, 30vw);
  left: 5%;
  top: 110px;
  transform: rotate(-9deg);
  opacity: 0.9;
  z-index: 2;
}

.device-right {
  width: min(205px, 30vw);
  right: 5%;
  top: 118px;
  transform: rotate(8deg);
  opacity: 0.9;
  z-index: 2;
}

.hero-glow {
  position: absolute;
  left: 50%;
  top: 30%;
  width: 520px;
  height: 320px;
  transform: translate(-50%, -30%);
  background: radial-gradient(ellipse, rgba(56, 189, 248, 0.24), transparent 70%);
  filter: blur(12px);
  pointer-events: none;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 16px;
}

.eyebrow::before {
  content: "";
  width: 20px;
  height: 1.5px;
  background: var(--blue);
  border-radius: 2px;
}

.hero h1 {
  margin: 0 auto;
  max-width: 17ch;
  font-size: clamp(44px, 7.4vw, 88px);
  line-height: 0.98;
  letter-spacing: -0.055em;
  font-weight: 850;
}

.hero h1 em {
  font-style: normal;
  background: linear-gradient(180deg, #9fe7ff, #38bdf8 55%, #0ea5e9);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-sub {
  max-width: 62ch;
  margin: 22px auto 0;
  font-size: clamp(16px, 2vw, 20px);
  color: var(--muted);
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  text-decoration: none;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.01em;
  transition: transform 150ms ease, background 160ms ease, border-color 160ms ease;
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0) scale(0.99); }

.btn-primary {
  background: #eaf6f7;
  color: #061625;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.24);
}
.btn-primary:hover { background: #fff; }

.btn-ghost {
  color: #dcebf2;
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.04);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.09); }

.btn-blue {
  background: var(--blue);
  color: #061625;
}
.btn-blue:hover { background: #7dd3fc; }

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  justify-content: center;
  margin-top: 24px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.045);
  color: #bcd1df;
  font-size: 12px;
  font-weight: 650;
}

.badge svg { width: 14px; height: 14px; opacity: 0.85; }

.hero-note {
  margin-top: 18px;
  font-size: 12px;
  color: var(--muted-2);
}

/* ---------- Sections ---------- */

.section { padding: 96px 0; }
.section-tight { padding: 64px 0; }

.section-head {
  max-width: 760px;
  margin: 0 auto 42px;
  text-align: center;
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 14px;
}

.section-kicker::before {
  content: "";
  width: 20px;
  height: 1.5px;
  background: var(--blue);
  border-radius: 2px;
}

.section h2 {
  margin: 0;
  font-size: clamp(34px, 5.2vw, 62px);
  line-height: 1.02;
  letter-spacing: -0.05em;
  font-weight: 850;
}

.section h2 em {
  font-style: normal;
  color: var(--blue);
}

.section-lead {
  max-width: 58ch;
  margin: 18px auto 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.65;
}

.panel {
  position: relative;
  overflow: hidden;
  border-radius: 34px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background:
    radial-gradient(circle at 78% 12%, rgba(56, 189, 248, 0.15), transparent 26rem),
    linear-gradient(150deg, #0b2b47, #0a2137 58%, #071827);
  box-shadow: var(--shadow);
  padding: 34px;
}

.panel-device {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 24px 0 10px;
}

.panel-device .device {
  position: relative;
  left: auto;
  top: auto;
  right: auto;
  transform: none;
  width: min(280px, 70vw);
}

.panel-caption {
  max-width: 760px;
  margin: 8px auto 0;
  text-align: center;
  color: var(--muted);
  font-size: 16px;
}

.panel-caption strong { color: var(--text); }

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 58px;
  align-items: center;
}

.split.reverse .split-media { order: -1; }

.split h2 { max-width: 13ch; }
.split .section-lead { margin-left: 0; }

.split-media .panel {
  padding: 24px;
}

.split-media .panel-device { padding: 8px 0 0; }
.split-media .panel-device .device { width: min(260px, 70vw); }

/* ---------- Feature cards ---------- */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.feature-card {
  position: relative;
  overflow: hidden;
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, 0.11);
  background: linear-gradient(160deg, rgba(255,255,255,0.055), rgba(255,255,255,0.025));
  padding: 22px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.feature-card:hover {
  transform: translateY(-3px);
  border-color: rgba(56, 189, 248, 0.35);
  background: linear-gradient(160deg, rgba(56, 189, 248, 0.12), rgba(255,255,255,0.03));
}

.feature-icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  background: rgba(56, 189, 248, 0.12);
  color: var(--blue);
  margin-bottom: 15px;
}

.feature-icon svg { width: 22px; height: 22px; }

.feature-card h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 750;
  letter-spacing: -0.015em;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

/* ---------- Categories ---------- */

.category-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 13px;
}

.category-card {
  position: relative;
  overflow: hidden;
  min-height: 210px;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: var(--panel);
  text-decoration: none;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 20px;
  box-shadow: var(--shadow-soft);
}

.category-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.72;
  transition: transform 400ms ease, opacity 300ms ease;
}

.category-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6,22,37,0.05), rgba(6,22,37,0.88));
}

.category-card:hover img { transform: scale(1.04); opacity: 0.85; }
.category-card span { position: relative; z-index: 2; font-weight: 750; font-size: 18px; }
.category-card small { position: relative; z-index: 2; color: var(--muted); font-size: 12px; }

/* ---------- Principles / privacy ---------- */

.principles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.principle {
  border-radius: 22px;
  border: 1px solid rgba(255,255,255,0.11);
  background: linear-gradient(160deg, rgba(255,255,255,0.055), rgba(255,255,255,0.02));
  padding: 24px;
}

.principle svg { width: 26px; height: 26px; color: var(--teal); margin-bottom: 14px; }
.principle h3 { margin: 0 0 6px; font-size: 17px; }
.principle p { margin: 0; color: var(--muted); font-size: 14px; }

.privacy-band {
  position: relative;
  overflow: hidden;
  border-radius: 32px;
  border: 1px solid rgba(255,255,255,0.13);
  background:
    radial-gradient(circle at 85% 10%, rgba(45, 212, 191, 0.2), transparent 28rem),
    linear-gradient(150deg, #081f33, #0a2e45 55%, #0b3f4d);
  padding: 46px;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 42px;
  align-items: center;
  box-shadow: var(--shadow);
}

.privacy-band h2 { max-width: 15ch; }
.privacy-band p { color: var(--muted); margin: 14px 0 0; }

.privacy-list { display: grid; gap: 10px; }

.privacy-item {
  display: flex;
  gap: 11px;
  align-items: flex-start;
  background: rgba(255,255,255,0.055);
  border: 1px solid rgba(255,255,255,0.11);
  border-radius: 14px;
  padding: 12px 14px;
}

.privacy-item svg { width: 18px; height: 18px; color: var(--teal); flex: 0 0 auto; margin-top: 2px; }
.privacy-item strong { display: block; font-size: 13px; color: #eaf6f7; }
.privacy-item span { display: block; font-size: 12px; color: var(--muted); margin-top: 1px; }

/* ---------- Steps ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.step {
  background: linear-gradient(160deg, rgba(255,255,255,0.055), rgba(255,255,255,0.02));
  border: 1px solid rgba(255,255,255,0.11);
  border-radius: 22px;
  padding: 24px;
}

.step-num {
  display: inline-flex;
  width: 34px;
  height: 34px;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(56, 189, 248, 0.14);
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
  margin-bottom: 14px;
}

.step h3 { margin: 0 0 5px; font-size: 16px; font-weight: 750; }
.step p { margin: 0; color: var(--muted); font-size: 14px; }

/* ---------- More grid ---------- */

.more-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.more-card {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 20px;
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,0.11);
  background: rgba(255,255,255,0.035);
}

.more-card .feature-icon { margin-bottom: 0; flex: 0 0 auto; }
.more-card h3 { margin: 0 0 3px; font-size: 15px; }
.more-card p { margin: 0; color: var(--muted); font-size: 13px; }

/* ---------- CTA ---------- */

.cta {
  position: relative;
  overflow: hidden;
  border-radius: 34px;
  border: 1px solid rgba(255,255,255,0.13);
  background:
    radial-gradient(circle at 12% 20%, rgba(56, 189, 248, 0.18), transparent 26rem),
    radial-gradient(circle at 88% 80%, rgba(45, 212, 191, 0.16), transparent 26rem),
    linear-gradient(150deg, #0a2740, #0b3f4d);
  padding: 58px 40px;
  text-align: center;
  box-shadow: var(--shadow);
}

.cta img { width: 72px; height: 72px; border-radius: 18px; margin: 0 auto 18px; box-shadow: 0 14px 34px rgba(0,0,0,0.32); }
.cta h2 { max-width: 16ch; margin: 0 auto; }
.cta p { color: var(--muted); max-width: 52ch; margin: 14px auto 0; }
.cta .hero-actions { margin-top: 24px; }

/* ---------- FAQ ---------- */

.faq {
  display: grid;
  gap: 10px;
  max-width: 880px;
  margin: 0 auto;
}

.faq details {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.11);
  border-radius: 16px;
  padding: 16px 18px;
}

.faq summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 15px;
  font-weight: 700;
}

.faq summary::-webkit-details-marker { display: none; }

.faq summary::after {
  content: "+";
  font-size: 20px;
  color: var(--blue);
  font-weight: 500;
  line-height: 1;
  transition: transform 180ms ease;
}

.faq details[open] summary::after { transform: rotate(45deg); }

.faq p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
  max-width: 70ch;
}

.faq a { color: var(--blue); }

/* ---------- Checklist ---------- */

.check-list {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

.check-list svg {
  width: 18px;
  height: 18px;
  color: var(--teal);
  flex: 0 0 auto;
  margin-top: 2px;
}

/* ---------- Screens grid ---------- */

.screens-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.screen-card {
  margin: 0;
  overflow: hidden;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.11);
  background:
    radial-gradient(circle at 50% 0%, rgba(56, 189, 248, 0.12), transparent 18rem),
    linear-gradient(160deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.02));
  padding: 20px 20px 0;
  text-align: center;
}

.screen-card .device {
  position: relative;
  left: auto;
  top: auto;
  right: auto;
  width: min(190px, 100%);
  margin: 0 auto;
  transform: none;
}

.screen-card figcaption {
  padding: 13px 0 17px;
  font-size: 13px;
  font-weight: 650;
  color: var(--muted);
}

/* ---------- Article pages ---------- */

.article-hero {
  background:
    radial-gradient(circle at 80% 0%, rgba(56, 189, 248, 0.12), transparent 30rem),
    linear-gradient(160deg, #061625, #0a2740);
  padding: 160px 0 70px;
  text-align: center;
}

.article-hero h1 {
  margin: 0;
  font-size: clamp(38px, 6vw, 64px);
  letter-spacing: -0.05em;
  line-height: 1.02;
  font-weight: 850;
}

.article-hero p { color: var(--muted); margin: 14px 0 0; font-size: 14px; }

.article {
  width: min(880px, calc(100% - 40px));
  margin: -30px auto 0;
  background: linear-gradient(160deg, rgba(255,255,255,0.06), rgba(255,255,255,0.025));
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 26px;
  padding: 42px;
  box-shadow: var(--shadow);
  position: relative;
  z-index: 2;
}

.article h2 {
  margin: 30px 0 8px;
  font-size: 21px;
  letter-spacing: -0.02em;
}

.article h2:first-child { margin-top: 0; }

.article p, .article li {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}

.article ul { padding-left: 22px; }
.article a { color: var(--blue); font-weight: 600; }

.article .note {
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.24);
  border-radius: 14px;
  padding: 14px 16px;
  font-size: 14px;
  color: #b9e7fa;
}

/* ---------- Support / Help Center ---------- */

.help-hero {
  padding: 150px 0 60px;
  text-align: center;
  background:
    radial-gradient(circle at 50% 0%, rgba(56, 189, 248, 0.13), transparent 34rem),
    linear-gradient(160deg, #061625, #0a2740);
}

.help-hero h1 { margin: 0; font-size: clamp(42px, 6vw, 70px); letter-spacing: -0.05em; font-weight: 850; }
.help-hero p { max-width: 55ch; margin: 14px auto 0; color: var(--muted); font-size: 18px; }

.help-search {
  width: min(680px, 100%);
  margin: 26px auto 0;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.05);
}

.help-search svg { width: 18px; height: 18px; color: var(--muted-2); flex: 0 0 auto; }
.help-search input {
  flex: 1;
  min-height: 50px;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 15px;
}
.help-search input::placeholder { color: var(--muted-2); }

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

.help-card {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 18px;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.11);
  background: rgba(255,255,255,0.04);
  text-decoration: none;
  transition: border-color 160ms ease, background 160ms ease;
}
.help-card:hover { border-color: rgba(56,189,248,0.4); background: rgba(56,189,248,0.08); }
.help-card .feature-icon { margin: 0; width: 38px; height: 38px; flex: 0 0 auto; }
.help-card h3 { margin: 0 0 2px; font-size: 14px; }
.help-card p { margin: 0; color: var(--muted); font-size: 12px; }

.help-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr);
  gap: 34px;
  align-items: start;
  padding: 60px 0 20px;
}

.help-side {
  position: sticky;
  top: 92px;
  border-radius: 22px;
  border: 1px solid rgba(255,255,255,0.11);
  background: rgba(255,255,255,0.04);
  padding: 22px;
}

.help-side h3 { margin: 0 0 10px; font-size: 13px; text-transform: uppercase; letter-spacing: .12em; color: var(--muted-2); }
.help-side a { display: block; text-decoration: none; padding: 7px 0; color: var(--muted); font-size: 14px; }
.help-side a:hover { color: var(--blue); }

.help-side button {
  display: block;
  width: 100%;
  text-align: left;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 14px;
  padding: 8px 10px;
  margin: 1px 0;
  cursor: pointer;
}
.help-side button:hover { color: var(--blue); background: rgba(255,255,255,0.04); }
.help-side button.is-active { color: #061625; background: #eaf6f7; font-weight: 700; }

.help-side .help-contact {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.help-side .help-contact p { color: var(--muted); font-size: 13px; margin: 0 0 10px; }
.help-side .help-contact a {
  display: inline-flex;
  padding: 9px 13px;
  border-radius: 999px;
  background: rgba(56, 189, 248, 0.13);
  color: var(--blue);
  font-weight: 700;
  font-size: 13px;
}

.help-faq details[hidden] { display: none; }
.help-empty[hidden] { display: none; }

.help-topic { margin: 0 0 38px; scroll-margin-top: 100px; }
.help-topic + .help-topic {
  border-top: 1px solid rgba(255, 255, 255, 0.09);
  padding-top: 30px;
}
.help-topic > h2 { margin-top: 0; }

.help-main .faq details {
  scroll-margin-top: 100px;
}


.help-main h2 { margin: 0 0 14px; font-size: 26px; letter-spacing: -0.03em; }
.help-main { scroll-margin-top: 100px; }
.help-main .faq { margin: 0; max-width: none; }

.help-empty { color: var(--muted); font-size: 14px; padding: 18px 0; }

/* ---------- Footer ---------- */

.site-footer {
  background: #040d16;
  color: var(--muted);
  padding: 56px 0 34px;
  margin-top: 80px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 28px;
}

.site-footer .brand { color: #eaf6f7; margin-bottom: 12px; }
.site-footer p { margin: 0; font-size: 13px; max-width: 34ch; }

.footer-col h4 {
  margin: 0 0 10px;
  color: #eaf6f7;
  font-size: 11px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.footer-col a {
  display: block;
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  padding: 3px 0;
}
.footer-col a:hover { color: #fff; }

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.09);
  margin-top: 38px;
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--muted-2);
}

/* ---------- Reveal ---------- */

.reveal {
  opacity: 0;
  transform: translateY(22px) scale(0.985);
  filter: blur(7px);
  transition:
    opacity 700ms ease,
    transform 700ms cubic-bezier(.2,.7,.2,1),
    filter 700ms ease;
  will-change: opacity, transform, filter;
}
.reveal.is-visible { opacity: 1; transform: none; filter: blur(0); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; filter: none; transition: none; }
  .btn:hover, .feature-card:hover, .category-card:hover img { transform: none; }
  .aurora, .aurora::before, .aurora::after,
  .hero h1 em, .icon-row img { animation: none !important; }
}

/* ---------- Responsive ---------- */

@media (max-width: 980px) {
  .device-cluster { height: 590px; }
  .device-main { width: min(250px, 42vw); }
  .device-left, .device-right { width: min(175px, 30vw); top: 96px; }
  .split { grid-template-columns: 1fr; gap: 34px; }
  .split.reverse .split-media { order: 0; }
  .split h2 { max-width: none; }
  .feature-grid, .principles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .category-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .privacy-band { grid-template-columns: 1fr; padding: 34px; }
  .steps { grid-template-columns: 1fr; }
  .help-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .help-layout { grid-template-columns: 1fr; }
  .help-side { position: static; }
  .screens-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > div:first-child { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  .container { width: min(var(--max), calc(100% - 28px)); }
  .site-header { inset: 8px 0 auto; padding: 0 8px; }
  .header-pill { padding: 7px 8px 7px 8px; }
  .brand { font-size: 15px; gap: 8px; }
  .brand img { width: 34px; height: 34px; }
  .header-cta { display: none; }
  .hero { padding: 124px 0 50px; }
  .device-cluster { height: 480px; margin-top: 30px; }
  .device-main { width: 190px; }
  .device-left, .device-right { width: 120px; top: 48px; }
  .device-left { left: -2%; }
  .device-right { right: -2%; }
  .device { border-radius: 30px; padding: 5px; }
  .device::before { width: 48px; height: 12px; top: 10px; }
  .device img { border-radius: 25px; }
  .hero h1 { font-size: clamp(40px, 12vw, 58px); }
  .section { padding: 64px 0; }
  .section-head { margin-bottom: 30px; }
  .feature-grid, .principles, .category-grid, .more-grid, .help-grid { grid-template-columns: 1fr; }
  .screens-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .article { padding: 24px; width: calc(100% - 28px); }
  .article-hero { padding-top: 130px; }
  .panel { padding: 20px; border-radius: 24px; }
  .split-media .panel-device .device { width: min(220px, 68vw); }
  .privacy-band { padding: 24px; border-radius: 24px; }
  .cta { padding: 38px 22px; border-radius: 24px; }
  .help-hero { padding-top: 130px; }
}


/* ==========================================================================
   2030 Motion Layer — pure enhancement, structure untouched
   ========================================================================== */

/* Header: floating glass */
.header-pill {
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  transition: border-color 220ms ease, box-shadow 220ms ease;
}
.site-header:hover .header-pill {
  border-color: rgba(159, 231, 255, 0.32);
  box-shadow: 0 8px 34px rgba(2, 12, 22, 0.55);
}

/* Aurora — slow drifting light field behind the hero */
.hero { position: relative; }
.aurora, .aurora::before, .aurora::after {
  content: "";
  z-index: 0;
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  pointer-events: none;
  opacity: 0.5;
}
.aurora {
  inset: -160px -80px auto;
  height: 560px;
  background: radial-gradient(circle at 22% 40%, rgba(56, 189, 248, 0.34), transparent 62%);
  animation: aurora-drift 16s ease-in-out infinite alternate;
}
.aurora::before {
  inset: 40px -140px auto auto;
  width: 560px;
  height: 560px;
  background: radial-gradient(circle at 60% 40%, rgba(110, 231, 183, 0.20), transparent 62%);
  animation: aurora-drift 21s ease-in-out infinite alternate-reverse;
}
.aurora::after {
  inset: auto auto 30px -120px;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle at 45% 45%, rgba(232, 185, 84, 0.16), transparent 60%);
  animation: aurora-drift 26s ease-in-out infinite alternate;
}
@keyframes aurora-drift {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to   { transform: translate3d(70px, 40px, 0) scale(1.18); }
}

/* Hero headline: living gradient shimmer */
.hero h1 em {
  background-size: 200% 100%;
  animation: em-shimmer 7s ease-in-out infinite;
}
@keyframes em-shimmer {
  0%, 100% { background-position: 0% 50%; }
  50%      { background-position: 100% 50%; }
}

/* Hero glow breathes */
/* Devices float in 3D space with independent phases */
/* Cards: lift + border bloom + sheen sweep on hover */
.feature-card::after,
.category-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, transparent 30%, rgba(159, 231, 255, 0.10) 50%, transparent 70%);
  transform: translateX(-110%);
  transition: transform 700ms cubic-bezier(.2,.7,.2,1);
  pointer-events: none;
}
.feature-card:hover::after,
.category-card:hover::after { transform: translateX(110%); }
.feature-card:hover {
  transform: translateY(-6px);
  border-color: rgba(159, 231, 255, 0.34);
  box-shadow: 0 18px 44px rgba(2, 12, 22, 0.45), 0 0 0 1px rgba(159, 231, 255, 0.08);
}
.category-card { position: relative; overflow: hidden; }
.category-card:hover { transform: translateY(-5px); }
.category-card, .screen-card, .step { transition: transform 220ms ease, box-shadow 220ms ease; }
.screen-card:hover { transform: translateY(-6px) scale(1.012); }
.step:hover { transform: translateY(-5px); }

/* Buttons: soft bloom on hover */
.btn-primary:hover { box-shadow: 0 10px 32px rgba(159, 231, 255, 0.35); }
.btn-blue:hover   { box-shadow: 0 10px 30px rgba(56, 189, 248, 0.4); }
.btn-ghost:hover  { border-color: rgba(159, 231, 255, 0.5); }
.btn { transition: transform 200ms ease, box-shadow 220ms ease, background 200ms ease, border-color 200ms ease; }
.btn:hover { transform: translateY(-2px); }

/* App-icon showcase */
.icon-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin: 26px 0 8px;
}
.icon-row figure { margin: 0; text-align: center; }
.icon-row img {
  width: 68px;
  height: 68px;
  border-radius: 17px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: 0 10px 24px rgba(2, 12, 22, 0.5);
  transition: transform 240ms cubic-bezier(.2,.7,.2,1), box-shadow 240ms ease, border-color 240ms ease;
}
.icon-row figure:hover img {
  transform: translateY(-8px) scale(1.1) rotate(-2deg);
  border-color: rgba(159, 231, 255, 0.55);
  box-shadow: 0 20px 42px rgba(2, 12, 22, 0.6), 0 0 26px rgba(56, 189, 248, 0.28);
}
.icon-row figcaption { font-size: 12px; color: var(--muted); margin-top: 8px; }

/* FAQ details: smooth height + subtle reveal of answers */
.faq details { overflow: hidden; }
.faq details[open] p { animation: faq-in 380ms ease; }
@keyframes faq-in {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: none; }
}

/* Example cards: the everyday problem line, tinted like the privacy accents */
.example-problem {
  display: block;
  margin-bottom: 6px;
  color: #f4b7a8;
  font-weight: 600;
}

/* ==========================================================================
   2030 Chapter Dock — one-tap navigation, scrollspy, swipeable on mobile
   ========================================================================== */

.chapter-dock {
  position: sticky;
  top: 74px;
  z-index: 60;
  display: flex;
  gap: 5px;
  width: min(var(--max), calc(100% - 28px));
  margin: 0 auto;
  padding: 7px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(6, 22, 37, 0.80);
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  overflow-x: auto;
  scrollbar-width: none;
  transition: opacity 260ms ease, transform 260ms ease;
}
.chapter-dock.chapter-dock-hidden { opacity: 0; transform: translateY(-18px); pointer-events: none; }
.chapter-dock::-webkit-scrollbar { display: none; }
.chapter-dock a {
  flex: 0 0 auto;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  text-decoration: none;
  white-space: nowrap;
  transition: background 180ms ease, color 180ms ease;
}
.chapter-dock a:hover { color: #fff; }
.chapter-dock a.is-active {
  background: rgba(159, 231, 255, 0.14);
  color: #fff;
}

/* Show-more toggles (mobile only) */
.show-more-wrap { display: none; justify-content: center; margin-top: 24px; }

/* ==========================================================================
   Mobile: compressed 2030 layout — swipe rails + progressive disclosure
   ========================================================================== */

@media (max-width: 640px) {
  .chapter-dock { top: 64px; }

  .show-more-wrap { display: flex; }

  /* Features: first 6 visible, rest behind "View all" (hiding only applies while closed) */
  .grid-collapsible:not(.is-open) > *:nth-child(n+7) { display: none; }
  .grid-collapsible.collapse-4:not(.is-open) > *:nth-child(n+4) { display: none; }

  /* Categories & Screens become horizontal snap rails */
  .category-grid, .screens-grid {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    gap: 14px;
    padding-bottom: 10px;
    scrollbar-width: none;
  }
  .category-grid::-webkit-scrollbar, .screens-grid::-webkit-scrollbar { display: none; }
  .category-grid .category-card {
    flex: 0 0 78%;
    scroll-snap-align: center;
  }
  .screens-grid .screen-card {
    flex: 0 0 82%;
    scroll-snap-align: center;
  }
}
