:root {
  --bg: #050607;
  --bg-2: #0b0d10;
  --bg-3: #12151a;
  --line: rgba(255, 255, 255, 0.08);
  --text: #f3f5f8;
  --muted: #9aa3b2;
  --dim: #6b7383;
  --blue: #1a9bff;
  --orange: #ff6a2b;
  --green: #22c55e;
  --font: "Manrope", ui-sans-serif, system-ui, sans-serif;
  --display: "Sora", ui-sans-serif, system-ui, sans-serif;
  --header: 72px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --max: 1200px;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
em { font-style: normal; color: #fff; font-weight: 700; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); border: 0;
}

/* Top bar */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header);
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0 clamp(1rem, 3vw, 2.5rem);
  background: rgba(5, 6, 7, 0.86);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: 0.06em;
  font-size: 0.95rem;
}

.nav {
  display: flex;
  gap: 1.6rem;
  margin: 0 auto;
}

.nav a {
  font-size: 0.92rem;
  color: var(--muted);
  transition: color 0.2s;
}

.nav a:hover { color: #fff; }

.top-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.lang-wrap {
  position: relative;
}

.lang {
  background: transparent;
  border: 1px solid transparent;
  color: var(--muted);
  font: inherit;
  font-size: 0.88rem;
  cursor: pointer;
  padding: 0.35rem 0.55rem;
  border-radius: 8px;
  max-width: 140px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.lang:hover,
.lang-wrap.open .lang {
  color: #fff;
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.04);
}

.lang::after {
  content: " ▾";
  font-size: 0.7em;
  opacity: 0.7;
}

.lang-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: min(280px, 72vw);
  max-height: min(420px, 70vh);
  overflow: auto;
  background: #12151a;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.4rem;
  z-index: 60;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.15rem;
}

.lang-menu[hidden] {
  display: none;
}

.lang-menu button {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 0.82rem;
  text-align: left;
  padding: 0.55rem 0.65rem;
  border-radius: 8px;
  cursor: pointer;
}

.lang-menu button:hover,
.lang-menu button[aria-selected="true"] {
  background: rgba(26, 155, 255, 0.12);
  color: #fff;
}

.btn-buy {
  border: 1px solid rgba(255,255,255,0.55);
  padding: 0.45rem 1rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  transition: background 0.2s, border-color 0.2s;
}

.btn-buy:hover {
  background: #fff;
  color: #000;
  border-color: #fff;
}

.menu-btn {
  display: none;
  width: 42px;
  height: 42px;
  border: 0;
  background: transparent;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: 10px;
  cursor: pointer;
}

.menu-btn span {
  display: block;
  height: 2px;
  background: #fff;
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 1.4rem;
  border-radius: 999px;
  background: linear-gradient(180deg, #1f1f22, #0d0d0f);
  border: 1px solid rgba(255,255,255,0.35);
  box-shadow: 0 0 0 1px rgba(26,155,255,0.15), 0 0 24px rgba(26,155,255,0.12);
  color: #fff;
  font-family: inherit;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: transform 0.2s var(--ease), box-shadow 0.2s;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 0 1px rgba(26,155,255,0.35), 0 0 32px rgba(26,155,255,0.25);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  padding: 0.75rem 1.2rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.28);
  font-weight: 600;
  font-size: 0.9rem;
  transition: background 0.2s, border-color 0.2s;
}

.btn-outline:hover {
  background: rgba(255,255,255,0.06);
  border-color: #fff;
}

.btn-video {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--muted);
  font-weight: 600;
  font-size: 0.95rem;
}

.btn-video:hover { color: #fff; }

.play {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.35);
  position: relative;
}

.play::after {
  content: "";
  position: absolute;
  left: 13px;
  top: 10px;
  border-style: solid;
  border-width: 7px 0 7px 11px;
  border-color: transparent transparent transparent #fff;
}

/* Hero */
.hero {
  position: relative;
  min-height: calc(100vh - var(--header));
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  align-items: center;
  gap: 1rem;
  padding: clamp(2rem, 5vw, 3.5rem) clamp(1rem, 3vw, 2.5rem) 2rem;
  overflow: hidden;
  max-width: 1400px;
  margin: 0 auto;
}

.hero-glow {
  position: absolute;
  inset: 10% 0 auto 45%;
  height: 70%;
  background:
    radial-gradient(ellipse at 50% 40%, rgba(26,155,255,0.22), transparent 55%),
    radial-gradient(ellipse at 70% 60%, rgba(255,106,43,0.12), transparent 50%);
  pointer-events: none;
  filter: blur(8px);
}

.hero-copy { position: relative; z-index: 1; max-width: 560px; }

.news-line {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 1.1rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.news-line a:hover { color: #fff; }

.news-pill {
  background: var(--blue);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
}

.partner {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 1rem;
  color: var(--orange);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.fox { font-size: 1.1rem; }

.hero h1 {
  margin: 0 0 1.1rem;
  font-family: var(--display);
  font-size: clamp(2.1rem, 4.2vw, 3.35rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
}

.hero h1 span { font-weight: 700; }

.hero-desc {
  margin: 0 0 1.5rem;
  color: var(--muted);
  font-size: 1.02rem;
  max-width: 48ch;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.5rem;
  margin-bottom: 1.5rem;
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.75rem;
  font-size: 0.88rem;
  color: var(--muted);
}

.trust-item { display: inline-flex; align-items: center; gap: 0.45rem; }
.trust-item .dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--green);
  box-shadow: 0 0 10px rgba(34,197,94,0.7);
}
.stars span { color: #22c55e; letter-spacing: 1px; }

.hero-devices {
  position: relative;
  z-index: 1;
  height: min(64vh, 580px);
  display: grid;
  grid-template-columns: 1fr 1.15fr 1fr;
  align-items: center;
  justify-items: center;
  gap: 0;
  filter: drop-shadow(0 28px 48px rgba(0, 0, 0, 0.55));
}

.dev {
  width: min(100%, 240px);
  opacity: 0;
  animation: device-in 0.9s var(--ease) forwards;
}

.d-back {
  transform: rotate(-14deg) translate(18px, 28px);
  z-index: 1;
  animation-delay: 0.08s;
}

.d-front {
  width: min(100%, 280px);
  z-index: 3;
  animation-delay: 0.16s;
  filter: drop-shadow(0 18px 28px rgba(26, 155, 255, 0.18));
}

.d-qr {
  transform: rotate(12deg) translate(-18px, 22px);
  z-index: 2;
  animation-delay: 0.24s;
}

@keyframes device-in {
  from {
    opacity: 0;
    transform: translateY(36px) scale(0.94);
  }
  to {
    opacity: 1;
  }
}

.d-back {
  animation-name: device-in-back;
}

@keyframes device-in-back {
  from {
    opacity: 0;
    transform: rotate(-14deg) translate(18px, 64px);
  }
  to {
    opacity: 1;
    transform: rotate(-14deg) translate(18px, 28px);
  }
}

.d-qr {
  animation-name: device-in-qr;
}

@keyframes device-in-qr {
  from {
    opacity: 0;
    transform: rotate(12deg) translate(-18px, 64px);
  }
  to {
    opacity: 1;
    transform: rotate(12deg) translate(-18px, 22px);
  }
}

/* Pillars */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  max-width: var(--max);
  margin: 0 auto;
  padding: 1rem clamp(1rem, 3vw, 2.5rem) 3rem;
  border-top: 1px solid var(--line);
}

.pillars article {
  padding: 1.25rem 0.5rem;
}

.pillar-icon {
  color: var(--blue);
  font-size: 1.4rem;
  margin-bottom: 0.6rem;
}

.pillars h3 {
  margin: 0 0 0.35rem;
  font-family: var(--display);
  font-size: 1.05rem;
}

.pillars p {
  margin: 0;
  color: var(--dim);
  font-size: 0.92rem;
}

/* Trusted */
.trusted {
  padding: 2rem clamp(1rem, 3vw, 2.5rem) 3rem;
  border-top: 1px solid var(--line);
  text-align: center;
}

.trusted .label {
  margin: 0 0 1.25rem;
  color: var(--dim);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  font-weight: 700;
}

.logo-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem 2.5rem;
  color: rgba(255,255,255,0.35);
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

/* Shared section bits */
.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--blue);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.lead {
  color: var(--muted);
  max-width: 56ch;
  margin: 0 auto 2rem;
}

h2 {
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

/* Upgrade */
.upgrade {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 2rem;
  max-width: var(--max);
  margin: 0 auto;
  padding: 4rem clamp(1rem, 3vw, 2.5rem);
}

.upgrade h2 {
  margin: 0 0 1.25rem;
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
}

.upgrade ul {
  margin: 0 0 1.75rem;
  padding: 0;
  list-style: none;
  color: var(--muted);
}

.upgrade li {
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--line);
}

.upgrade-device {
  width: min(100%, 300px);
  margin: 0 auto;
  filter: drop-shadow(0 40px 60px rgba(0,0,0,0.55));
}

/* Product block */
.product-block {
  text-align: center;
  padding: 4rem clamp(1rem, 3vw, 2.5rem);
  background:
    radial-gradient(ellipse at 50% 0%, rgba(26,155,255,0.12), transparent 55%),
    var(--bg-2);
  border-block: 1px solid var(--line);
}

.product-block h2 {
  margin: 0 0 0.85rem;
  font-size: clamp(2rem, 3.5vw, 2.8rem);
}

.feature-pair {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-top: 2rem;
}

.feature-pair h3 {
  margin: 0 0 0.25rem;
  font-size: 1rem;
}

.feature-pair p {
  margin: 0;
  color: var(--dim);
  font-size: 0.92rem;
}

/* Security */
.security {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2rem;
  align-items: center;
  max-width: var(--max);
  margin: 0 auto;
  padding: 4.5rem clamp(1rem, 3vw, 2.5rem);
}

.security h2 {
  margin: 0 0 1.5rem;
  font-size: clamp(1.5rem, 2.8vw, 2.1rem);
  font-weight: 600;
}

.security .feature-pair { justify-content: flex-start; }

.sec-visual {
  display: flex;
  justify-content: center;
}

.sec-visual img {
  width: min(100%, 280px);
  filter: drop-shadow(0 30px 50px rgba(0,0,0,0.5));
}

/* Ecosystem */
.ecosystem {
  text-align: center;
  padding: 4.5rem clamp(1rem, 3vw, 2.5rem);
  background: var(--bg-2);
  border-block: 1px solid var(--line);
}

.ecosystem h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.8rem, 3vw, 2.5rem);
}

.wallet-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
  max-width: 900px;
  margin: 0 auto 2.5rem;
}

.wallet-grid span {
  padding: 1rem 0.75rem;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--line);
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--muted);
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.wallet-grid span:hover {
  color: #fff;
  border-color: rgba(26,155,255,0.45);
  background: rgba(26,155,255,0.06);
}

.stat-row {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2.5rem 4rem;
}

.stat-row strong {
  display: block;
  font-family: var(--display);
  font-size: 2.4rem;
  letter-spacing: -0.03em;
}

.stat-row span { color: var(--dim); font-size: 0.9rem; }

/* Bundles */
.bundles {
  max-width: var(--max);
  margin: 0 auto;
  padding: 4.5rem clamp(1rem, 3vw, 2.5rem);
}

.bundles h2 {
  margin: 0 0 2rem;
  text-align: center;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
}

.bundle-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 1rem;
}

.bundle {
  padding: 1.5rem;
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.bundle.featured {
  background: linear-gradient(160deg, #121820, #0b0d10 60%);
  border-color: rgba(26,155,255,0.35);
}

.bundle .tag {
  margin: 0;
  color: var(--orange);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.bundle h3 {
  margin: 0;
  font-family: var(--display);
  font-size: 1.2rem;
}

.bundle p { margin: 0; color: var(--muted); font-size: 0.92rem; }

.price {
  margin: 0.25rem 0 0.5rem !important;
  color: #fff !important;
  font-size: 1.15rem !important;
}

.price s { color: var(--dim); margin-right: 0.4rem; font-size: 0.95rem; }

.bundle .btn-primary,
.bundle .btn-outline { margin-top: auto; align-self: flex-start; }

/* Firmware */
.firmware {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1rem clamp(1rem, 3vw, 2.5rem) 4rem;
}

.firmware h2 {
  margin: 0 0 1.5rem;
  font-size: clamp(1.4rem, 2.5vw, 1.85rem);
  text-align: center;
}

.fw-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.fw-grid article {
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255,255,255,0.02);
}

.fw-grid h3 { margin: 0 0 0.5rem; font-family: var(--display); }
.fw-grid p { margin: 0; color: var(--muted); }

/* FAQ */
.faq {
  max-width: 860px;
  margin: 0 auto;
  padding: 4rem clamp(1rem, 3vw, 2.5rem);
}

.faq h2 {
  margin: 0 0 1.5rem;
  text-align: center;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
}

.faq-list details {
  border-top: 1px solid var(--line);
  padding: 1.1rem 0;
}

.faq-list details:last-child { border-bottom: 1px solid var(--line); }

.faq-list summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 1.02rem;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

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

.faq-list summary::after {
  content: "+";
  color: var(--blue);
  font-size: 1.3rem;
  font-weight: 400;
}

.faq-list details[open] summary::after { content: "−"; }

.faq-list p {
  margin: 0.75rem 0 0;
  color: var(--muted);
}

/* Reviews */
.reviews {
  padding: 4rem clamp(1rem, 3vw, 2.5rem);
  background: var(--bg-2);
  border-block: 1px solid var(--line);
  text-align: center;
}

.reviews h2 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
}

.review-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  max-width: var(--max);
  margin: 0 auto;
  text-align: left;
}

.review-grid blockquote {
  margin: 0;
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255,255,255,0.02);
}

.review-grid p {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.review-grid cite {
  font-style: normal;
  font-size: 0.85rem;
  color: var(--dim);
}

/* Final CTA */
.final-cta {
  text-align: center;
  padding: 5rem clamp(1rem, 3vw, 2.5rem);
  background:
    radial-gradient(ellipse at 50% 30%, rgba(26,155,255,0.18), transparent 55%),
    var(--bg);
}

.final-cta h2 {
  margin: 0 0 1.5rem;
  font-size: clamp(1.8rem, 3.5vw, 2.75rem);
}

.waitlist {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.waitlist input {
  flex: 1 1 240px;
  max-width: 340px;
  padding: 0.9rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--bg-3);
  color: #fff;
  font: inherit;
}

.waitlist input:focus {
  outline: 2px solid rgba(26,155,255,0.45);
  border-color: var(--blue);
}

.form-note {
  margin-top: 1rem;
  color: var(--green);
  font-weight: 600;
}

/* Footer */
.footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 2rem;
  padding: 2rem clamp(1rem, 3vw, 2.5rem);
  border-top: 1px solid var(--line);
  color: var(--dim);
  font-size: 0.88rem;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: #fff;
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: 0.06em;
  font-size: 0.85rem;
}

.footer p { margin: 0; flex: 1; }

.footer-links { display: flex; gap: 1.25rem; }
.footer-links a:hover { color: #fff; }

/* Soft security brief (opt-in 15s real dwell) */
.brief-dock {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 70;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  max-width: min(420px, calc(100vw - 2rem));
  padding: 0.75rem 0.85rem;
  background: rgba(12, 16, 22, 0.94);
  border: 1px solid rgba(26, 155, 255, 0.35);
  border-radius: 16px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(12px);
  animation: brief-in 0.45s var(--ease) both;
}

.brief-dock[hidden] {
  display: none !important;
}

.brief-dock.is-min {
  max-width: 64px;
  padding: 0.65rem;
}

.brief-dock.is-min .brief-copy,
.brief-dock.is-min .brief-cta,
.brief-dock.is-min .brief-dismiss {
  display: none;
}

.brief-dock.is-done {
  border-color: rgba(34, 197, 94, 0.45);
}

.brief-ring {
  position: relative;
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.brief-ring svg {
  transform: rotate(-90deg);
}

.brief-track {
  fill: none;
  stroke: rgba(255, 255, 255, 0.12);
  stroke-width: 3;
}

.brief-progress {
  fill: none;
  stroke: var(--blue);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-dasharray: 97.4;
  stroke-dashoffset: 97.4;
  transition: stroke-dashoffset 0.35s linear, stroke 0.2s;
}

.brief-dock.is-done .brief-progress {
  stroke: var(--green);
}

.brief-ring span {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: 0.68rem;
  font-weight: 700;
  color: #fff;
}

.brief-copy {
  min-width: 0;
  flex: 1;
}

.brief-label {
  margin: 0 0 0.15rem;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--blue);
}

.brief-stage {
  margin: 0;
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.35;
}

.brief-cta {
  flex-shrink: 0;
  padding: 0.55rem 0.9rem;
  font-size: 0.82rem;
}

.brief-cta:disabled {
  opacity: 0.55;
  cursor: default;
  transform: none;
  box-shadow: none;
}

.brief-dismiss {
  position: absolute;
  top: 0.35rem;
  right: 0.45rem;
  width: 22px;
  height: 22px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--dim);
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
}

.brief-dismiss:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
}

@keyframes brief-in {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 640px) {
  .brief-dock {
    left: 0.75rem;
    right: 0.75rem;
    max-width: none;
  }
}

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.in { opacity: 1; transform: none; }

/* Mobile */
@media (max-width: 960px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-devices {
    order: -1;
    height: 360px;
    max-width: 520px;
    margin: 0 auto;
  }

  .d-back,
  .d-qr { width: min(100%, 150px); }
  .d-front { width: min(100%, 190px); }

  .pillars,
  .upgrade,
  .security,
  .bundle-grid,
  .fw-grid,
  .review-grid,
  .wallet-grid {
    grid-template-columns: 1fr;
  }

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

  .nav { display: none; }
  .menu-btn { display: flex; margin-left: auto; }

  .top-actions {
    gap: 0.4rem;
  }

  .btn-buy {
    display: none;
  }

  .lang {
    font-size: 0.8rem;
    max-width: 110px;
  }

  .topbar.is-open .nav {
    display: flex;
    position: absolute;
    top: var(--header);
    left: 0; right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(5,6,7,0.97);
    border-bottom: 1px solid var(--line);
    padding: 0.5rem 0;
  }

  .topbar.is-open .nav a {
    padding: 0.9rem clamp(1rem, 3vw, 2.5rem);
  }

  .topbar.is-open .btn-buy {
    display: inline-flex;
    margin: 0.5rem clamp(1rem, 3vw, 2.5rem) 1rem;
    align-self: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .dev, .reveal { animation: none !important; transition: none !important; opacity: 1 !important; }
  .d-back { transform: rotate(-14deg) translate(18px, 28px); }
  .d-qr { transform: rotate(12deg) translate(-18px, 22px); }
  .d-front { transform: none; }
}