:root {
  --blue: #1e6be6;
  --blue-ink: #144dad;
  --blue-deep: #0a2a6e;
  --blue-soft: #e8f1ff;
  --sky: #6eb0ff;
  --canvas: #f4f7fc;
  --ink: #0d1b33;
  --muted: rgba(13, 27, 51, 0.55);
  --line: rgba(13, 27, 51, 0.1);
  --white: #ffffff;
  --radius: 18px;
  --font-display: "Sora", "Noto Sans SC", system-ui, sans-serif;
  --font-body: "Noto Sans SC", "Sora", system-ui, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  background: var(--canvas);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

.noise {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 50;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* —— Top bar —— */
.top {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0.85rem clamp(1.2rem, 4vw, 2.5rem);
  background: rgba(244, 247, 252, 0.72);
  backdrop-filter: blur(16px) saturate(1.2);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.top.is-scrolled {
  border-bottom-color: var(--line);
  background: rgba(244, 247, 252, 0.9);
}

.top-brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.top-brand img {
  border-radius: 9px;
  box-shadow: 0 4px 12px rgba(30, 107, 230, 0.28);
}

.top-nav {
  display: flex;
  gap: 1.25rem;
  margin-left: auto;
  font-size: 0.92rem;
  color: var(--muted);
}

.top-nav a:hover {
  color: var(--ink);
}

.lang {
  display: flex;
  padding: 3px;
  border-radius: 999px;
  background: rgba(13, 27, 51, 0.06);
}

.lang-btn {
  padding: 0.28rem 0.7rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
  transition: background 0.2s, color 0.2s;
}

.lang-btn.is-active {
  background: var(--white);
  color: var(--blue-ink);
  box-shadow: 0 1px 4px rgba(13, 27, 51, 0.08);
}

/* —— Hero —— */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: clamp(1.5rem, 4vw, 3rem);
  padding: clamp(6rem, 12vh, 8rem) clamp(1.2rem, 5vw, 4rem) 4rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 40%, rgba(110, 176, 255, 0.45), transparent 55%),
    radial-gradient(ellipse 50% 40% at 15% 80%, rgba(30, 107, 230, 0.18), transparent 50%),
    linear-gradient(165deg, #dceaff 0%, var(--canvas) 45%, #eef3fb 100%);
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  animation: drift 14s ease-in-out infinite alternate;
}

.orb-a {
  width: min(48vw, 520px);
  height: min(48vw, 520px);
  top: -8%;
  right: 5%;
  background: rgba(30, 107, 230, 0.35);
}

.orb-b {
  width: min(36vw, 380px);
  height: min(36vw, 380px);
  bottom: 5%;
  left: 8%;
  background: rgba(110, 176, 255, 0.4);
  animation-delay: -5s;
}

.grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(30, 107, 230, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 107, 230, 0.06) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 60% at 60% 45%, #000 20%, transparent 75%);
}

@keyframes drift {
  from { transform: translate(0, 0) scale(1); }
  to { transform: translate(-4%, 6%) scale(1.08); }
}

.hero-copy,
.hero-stage {
  position: relative;
  z-index: 1;
}

.hero-brand {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(3.4rem, 9vw, 6.2rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
  color: var(--blue-deep);
  animation: rise 0.9s var(--ease) both;
}

.hero-aka {
  margin: 0.35rem 0 1.4rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.05rem, 2.2vw, 1.35rem);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--blue);
  animation: rise 0.9s var(--ease) 0.08s both;
}

.hero-copy h1 {
  margin: 0 0 0.85rem;
  max-width: 14em;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.45rem, 3vw, 2rem);
  line-height: 1.25;
  letter-spacing: -0.02em;
  animation: rise 0.9s var(--ease) 0.14s both;
}

.hero-lead {
  margin: 0 0 1.75rem;
  max-width: 28em;
  color: var(--muted);
  font-size: 1.05rem;
  animation: rise 0.9s var(--ease) 0.2s both;
}

.hero-pills {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  animation: rise 0.9s var(--ease) 0.24s both;
}

.hero-pills li {
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--blue-ink);
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(30, 107, 230, 0.2);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  animation: rise 0.9s var(--ease) 0.28s both;
}

/* —— Stats strip —— */
.stats {
  padding: 0 clamp(1.2rem, 5vw, 4rem) 1rem;
}

.stats-inner {
  max-width: 1080px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.85rem;
  padding: 1.25rem 1.4rem;
  border-radius: 22px;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 12px 32px rgba(13, 27, 51, 0.05);
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  text-align: center;
}

.stat strong {
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--blue-deep);
}

.stat span {
  font-size: 0.85rem;
  color: var(--muted);
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(22px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 1.35rem;
  border-radius: 999px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.2s var(--ease), box-shadow 0.2s, background 0.2s;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  color: var(--white);
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-ink) 100%);
  box-shadow: 0 10px 28px rgba(30, 107, 230, 0.35);
}

.btn-primary:hover {
  box-shadow: 0 14px 32px rgba(30, 107, 230, 0.42);
}

.btn-ghost {
  color: var(--blue-ink);
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(30, 107, 230, 0.22);
}

.btn-ghost:hover {
  background: var(--white);
}

/* Hero stage — Wi‑Fi hub + concentric rings + nearby devices */
.hero-stage {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  justify-self: stretch;
  animation: rise 1s var(--ease) 0.22s both;
}

.radar {
  position: relative;
  width: 100%;
  max-width: 560px;
  aspect-ratio: 1;
  margin: 0 auto;
  container-type: inline-size;
}

.radar-wash {
  position: absolute;
  inset: 12%;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(30, 107, 230, 0.16) 0%,
    rgba(110, 176, 255, 0.08) 42%,
    transparent 70%
  );
  animation: radar-wash 5.5s ease-in-out infinite;
  pointer-events: none;
}

.radar-ring {
  position: absolute;
  left: 50%;
  top: 50%;
  border-radius: 50%;
  border: 1.5px solid rgba(30, 107, 230, 0.18);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.35) inset;
  pointer-events: none;
  transform: translate(-50%, -50%);
}

.radar-ring.r1 { width: 28%; height: 28%; animation: ring-breathe 4.8s ease-in-out infinite; }
.radar-ring.r2 { width: 48%; height: 48%; animation: ring-breathe 4.8s ease-in-out 0.35s infinite; }
.radar-ring.r3 { width: 68%; height: 68%; animation: ring-breathe 4.8s ease-in-out 0.7s infinite; }
.radar-ring.r4 { width: 88%; height: 88%; animation: ring-breathe 4.8s ease-in-out 1.05s infinite; }

.radar-hub {
  position: absolute;
  left: 50%;
  top: 50%;
  translate: -50% -50%;
  z-index: 3;
  width: 18cqw;
  height: 18cqw;
  min-width: 64px;
  min-height: 64px;
  max-width: 96px;
  max-height: 96px;
  display: grid;
  place-items: center;
  border-radius: 26%;
  color: var(--white);
  background: linear-gradient(155deg, #3d8bff 0%, var(--blue) 55%, var(--blue-ink) 100%);
  box-shadow:
    0 18px 40px rgba(20, 77, 173, 0.35),
    0 0 0 6px rgba(255, 255, 255, 0.55),
    0 0 0 1px rgba(30, 107, 230, 0.2);
  animation: hub-float 4.5s ease-in-out infinite;
}

.radar-wifi {
  width: 52%;
  height: 52%;
  display: block;
}

.radar-node {
  position: absolute;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  translate: -50% -50%;
  animation: node-float 5.2s ease-in-out infinite;
}

/* Scattered on purpose — not a neat 2×2 grid */
.node-a { left: 14%; top: 30%; animation-delay: 0s; }
.node-b { left: 58%; top: 11%; animation-delay: 0.4s; }
.node-c { left: 86%; top: 38%; animation-delay: 0.9s; }
.node-d { left: 74%; top: 82%; animation-delay: 1.3s; }
.node-e { left: 36%; top: 90%; animation-delay: 0.7s; }
.node-f { left: 8%;  top: 66%; animation-delay: 1.6s; }
.node-g { left: 90%; top: 64%; animation-delay: 0.2s; }
.node-h { left: 32%; top: 14%; animation-delay: 1.1s; }

.node-dot {
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--white);
  box-shadow:
    0 10px 24px rgba(13, 27, 51, 0.16),
    0 0 0 2.5px rgba(255, 255, 255, 0.78);
}

.node-sm .node-dot {
  width: 9.2cqw;
  height: 9.2cqw;
  min-width: 36px;
  min-height: 36px;
  max-width: 48px;
  max-height: 48px;
}

.node-md .node-dot {
  width: 11.5cqw;
  height: 11.5cqw;
  min-width: 42px;
  min-height: 42px;
  max-width: 58px;
  max-height: 58px;
}

.node-lg .node-dot {
  width: 13.5cqw;
  height: 13.5cqw;
  min-width: 48px;
  min-height: 48px;
  max-width: 68px;
  max-height: 68px;
}

.node-dot svg {
  width: 48%;
  height: 48%;
  display: block;
}

.tone-violet { background: linear-gradient(145deg, #c084fc, #8b5cf6); }
.tone-teal   { background: linear-gradient(145deg, #2dd4bf, #0d9488); }
.tone-blue   { background: linear-gradient(145deg, #7aa7ff, #3d6fe0); }
.tone-sky    { background: linear-gradient(145deg, #5ec8ff, #1e8fd6); }
.tone-orange { background: linear-gradient(145deg, #fb923c, #ea580c); }
.tone-rose   { background: linear-gradient(145deg, #fb7185, #e11d48); }
.tone-indigo { background: linear-gradient(145deg, #818cf8, #4f46e5); }
.tone-green  { background: linear-gradient(145deg, #4ade80, #16a34a); }

.node-label {
  font-family: var(--font-display);
  font-size: clamp(0.58rem, 2cqw, 0.74rem);
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--blue-ink);
  white-space: nowrap;
  padding: 0.18rem 0.55rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(30, 107, 230, 0.12);
  box-shadow: 0 6px 16px rgba(20, 77, 173, 0.08);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

@keyframes ring-breathe {
  0%, 100% { opacity: 0.55; transform: translate(-50%, -50%) scale(1); }
  50% { opacity: 1; transform: translate(-50%, -50%) scale(1.015); }
}

@keyframes radar-wash {
  0%, 100% { opacity: 0.75; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.04); }
}

@keyframes hub-float {
  0%, 100% { translate: -50% -50%; }
  50% { translate: -50% calc(-50% - 0.6cqw); }
}

@keyframes node-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-0.7cqw); }
}

/* —— Sections —— */
.section {
  padding: clamp(4rem, 10vh, 6.5rem) clamp(1.2rem, 5vw, 4rem);
  max-width: 1080px;
  margin: 0 auto;
}

.section-head {
  margin-bottom: 2.5rem;
  max-width: 36em;
}

.section-head h2 {
  margin: 0 0 0.6rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.65rem, 3.5vw, 2.25rem);
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.section-head p {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.feature-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.1rem;
}

.feature-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.feature-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: 1.45rem 1.4rem 1.5rem;
  border-radius: 22px;
  background:
    linear-gradient(165deg, rgba(255, 255, 255, 0.95), rgba(232, 241, 255, 0.65));
  border: 1px solid rgba(30, 107, 230, 0.12);
  box-shadow: 0 14px 36px rgba(20, 77, 173, 0.07);
  transition: transform 0.25s var(--ease), box-shadow 0.25s;
}

.feature-badge {
  position: absolute;
  top: 0.9rem;
  right: 0.9rem;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--blue);
  background: var(--blue-soft);
}

.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 44px rgba(20, 77, 173, 0.12);
}

.feature-icon {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  color: var(--blue);
  background: rgba(30, 107, 230, 0.1);
  margin-bottom: 0.15rem;
}

.feature-card strong {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.feature-card > span:last-child {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.55;
}

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.step-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  min-height: 100%;
  padding: 1.5rem 1.35rem 1.55rem;
  border-radius: 22px;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 12px 32px rgba(13, 27, 51, 0.05);
  overflow: hidden;
}

.step-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: linear-gradient(180deg, var(--blue), var(--sky));
}

.step-num {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  color: var(--blue);
  background: var(--blue-soft);
  border-radius: 999px;
  padding: 0.35rem 0.75rem;
  width: fit-content;
}

.step-body strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin-bottom: 0.4rem;
  letter-spacing: -0.02em;
}

.step-body p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.55;
}

.safe-block {
  margin-top: 3rem;
  padding: 1.75rem 1.5rem 1.85rem;
  border-radius: 24px;
  background: linear-gradient(160deg, rgba(30, 107, 230, 0.08), rgba(255, 255, 255, 0.9));
  border: 1px solid rgba(30, 107, 230, 0.14);
}

.safe-block .section-head {
  margin-bottom: 1.5rem;
}

.safe-block h3 {
  margin: 0 0 0.45rem;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.5vw, 1.55rem);
  letter-spacing: -0.02em;
}

.safe-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  counter-reset: safe;
}

.safe-steps li {
  position: relative;
  padding: 1.1rem 1.1rem 1.15rem 1.2rem;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(30, 107, 230, 0.1);
}

.safe-steps li::before {
  counter-increment: safe;
  content: counter(safe);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.6rem;
  height: 1.6rem;
  margin-bottom: 0.55rem;
  border-radius: 50%;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--white);
  background: var(--blue);
}

.safe-steps strong {
  display: block;
  font-family: var(--font-display);
  margin-bottom: 0.35rem;
}

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

/* —— Compare —— */
.compare-wrap {
  overflow-x: auto;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: var(--white);
  box-shadow: 0 12px 32px rgba(13, 27, 51, 0.05);
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
  font-size: 0.95rem;
}

.compare-table th,
.compare-table td {
  padding: 0.95rem 1rem;
  text-align: center;
  border-bottom: 1px solid var(--line);
}

.compare-table thead th {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.92rem;
  background: rgba(232, 241, 255, 0.55);
}

.compare-table tbody th {
  text-align: left;
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
}

.compare-table tbody tr:last-child th,
.compare-table tbody tr:last-child td {
  border-bottom: 0;
}

.compare-table .is-highlight {
  background: rgba(30, 107, 230, 0.07);
  color: var(--blue-ink);
  font-weight: 700;
}

/* —— FAQ —— */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 800px;
}

.faq-item {
  border-radius: 16px;
  background: var(--white);
  border: 1px solid var(--line);
  padding: 0 1.2rem;
  overflow: hidden;
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 1.1rem 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.02rem;
}

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

.faq-item summary::after {
  content: "+";
  float: right;
  color: var(--blue);
  font-weight: 700;
}

.faq-item[open] summary::after {
  content: "–";
}

.faq-item p {
  margin: 0 0 1.15rem;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.dl-more {
  margin: 1.5rem 0 0;
  text-align: center;
}

.dl-more a {
  color: var(--blue-ink);
  font-weight: 600;
}

.dl-more a:hover {
  text-decoration: underline;
}

.contact-addr {
  margin: 1.5rem 0 0;
  text-align: center;
  color: var(--muted);
  font-size: 0.92rem;
}

.contact-addr a {
  color: var(--blue-ink);
  font-weight: 600;
}

/* —— Download page —— */
.dl-page {
  max-width: 820px;
  margin: 0 auto;
  padding: 6.5rem clamp(1.2rem, 4vw, 2rem) 4rem;
}

.dl-hero h1 {
  margin: 0 0 0.6rem;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  letter-spacing: -0.03em;
}

.dl-hero p {
  margin: 0;
  color: var(--muted);
}

.dl-detected {
  margin-top: 0.75rem !important;
  font-weight: 600;
  color: var(--blue-ink) !important;
}

.dl-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 2rem 0 1.5rem;
  padding: 0.35rem;
  border-radius: 999px;
  background: rgba(13, 27, 51, 0.06);
  width: fit-content;
  max-width: 100%;
}

.dl-tabs button {
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--muted);
}

.dl-tabs button.is-active,
.dl-tabs button[aria-selected="true"] {
  background: var(--white);
  color: var(--blue-ink);
  box-shadow: 0 2px 8px rgba(13, 27, 51, 0.08);
}

.dl-panel {
  padding: 1.6rem 1.5rem;
  border-radius: 22px;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 12px 32px rgba(13, 27, 51, 0.05);
}

.dl-panel h2 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.45rem;
}

.dl-req {
  margin: 0 0 1.25rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.dl-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.btn.is-disabled,
.btn[aria-disabled="true"] {
  opacity: 0.55;
  pointer-events: none;
  cursor: default;
}

.dl-notes {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.65;
}

.dl-help {
  margin: 2rem 0 0;
  text-align: center;
  color: var(--muted);
}

.dl-help a {
  color: var(--blue-ink);
  font-weight: 600;
}

.top-nav a.is-current {
  color: var(--blue-ink);
  font-weight: 600;
}

/* —— Download —— */
.download {
  max-width: 960px;
}

.dl-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.dl-item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 1.35rem 1.4rem;
  border-radius: var(--radius);
  background: var(--white);
  border: 1px solid var(--line);
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s var(--ease);
}

.dl-item:hover {
  border-color: rgba(30, 107, 230, 0.35);
  box-shadow: 0 12px 32px rgba(20, 77, 173, 0.1);
  transform: translateY(-2px);
}

.dl-item[aria-disabled="true"] {
  opacity: 0.72;
  cursor: default;
}

.dl-item[aria-disabled="true"]:hover {
  transform: none;
  box-shadow: none;
  border-color: var(--line);
}

.dl-platform {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
}

.dl-store {
  color: var(--muted);
  font-size: 0.9rem;
}

.dl-soon {
  margin-top: 0.55rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--blue);
  text-transform: uppercase;
}

.dl-item-ready .dl-soon {
  color: var(--blue-ink);
}

/* —— Screens carousel —— */
.screens {
  max-width: 1100px;
}

.screen-carousel {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.5rem 0.75rem;
}

.carousel-track {
  display: flex;
  gap: 1.25rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding: 0.75rem 0.25rem 1.5rem;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.carousel-track::-webkit-scrollbar {
  display: none;
}

.phone-frame {
  flex: 0 0 auto;
  width: min(240px, 72vw);
  margin: 0;
  scroll-snap-align: center;
}

.phone-shot {
  border-radius: 28px;
  overflow: hidden;
  border: 3px solid #0d1b33;
  background: #0d1b33;
  box-shadow: 0 20px 48px rgba(13, 27, 51, 0.14);
  aspect-ratio: 800 / 1632;
}

.phone-shot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.phone-frame figcaption {
  margin-top: 0.85rem;
  text-align: center;
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--muted);
}

.carousel-nav {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--white);
  border: 1px solid var(--line);
  color: var(--blue-ink);
  box-shadow: 0 6px 16px rgba(13, 27, 51, 0.06);
  transition: background 0.2s, transform 0.2s;
}

.carousel-nav:hover {
  background: var(--blue-soft);
  transform: scale(1.04);
}

.carousel-dots {
  grid-column: 1 / -1;
  display: flex;
  justify-content: center;
  gap: 0.45rem;
}

.carousel-dots button {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(30, 107, 230, 0.25);
  padding: 0;
}

.carousel-dots button.is-active {
  background: var(--blue);
  width: 22px;
  border-radius: 999px;
}

/* —— Contact —— */
.contact-kicker {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue);
}

.contact-panel {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.contact-panel-email {
  grid-template-columns: repeat(2, 1fr);
  max-width: 720px;
}

.contact-block {
  padding: 1.4rem 1.35rem;
  border-radius: var(--radius);
  background: var(--white);
  border: 1px solid var(--line);
}

.contact-block h3 {
  margin: 0 0 0.45rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
}

.contact-block p {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.55;
}

.contact-block .btn {
  font-size: 0.85rem;
  min-height: 42px;
  padding: 0 1rem;
  word-break: break-all;
}

/* —— Footer —— */
.foot {
  padding: 3rem clamp(1.2rem, 5vw, 4rem) 2.5rem;
  border-top: 1px solid var(--line);
  text-align: center;
  background: linear-gradient(180deg, transparent, rgba(30, 107, 230, 0.04));
}

.foot-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 1.5rem 2rem;
  text-align: left;
  max-width: 1080px;
  margin: 0 auto;
}

.foot-col {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  font-size: 0.92rem;
}

.foot-col h4 {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.foot-col a {
  color: var(--blue-ink);
}

.foot-col a:hover {
  text-decoration: underline;
}

.foot-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.foot-brand img {
  border-radius: 7px;
}

.foot-aka {
  margin-left: 0.15rem;
  font-weight: 500;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue);
}

.foot-tag {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  max-width: 18em;
}

.foot-copy {
  grid-column: 1 / -1;
  margin: 0.5rem 0 0;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.88rem;
  text-align: center;
}

.foot-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem 1.5rem;
  margin: 1rem 0 1.25rem;
  font-size: 0.9rem;
}

.foot-links a {
  color: var(--blue-ink);
}

.foot-links a:hover {
  text-decoration: underline;
}

/* —— Legal pages —— */
.legal-page {
  max-width: 720px;
  margin: 0 auto;
  padding: 6.5rem clamp(1.2rem, 4vw, 2rem) 4rem;
}

.legal-page h1 {
  font-family: var(--font-display);
  font-size: 2rem;
  letter-spacing: -0.03em;
  margin: 0 0 0.5rem;
}

.legal-meta {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 2rem;
}

.legal-page h2 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin: 1.75rem 0 0.5rem;
}

.legal-page p,
.legal-page li {
  color: rgba(13, 27, 51, 0.78);
  font-size: 0.98rem;
}

.legal-page ul {
  padding-left: 1.2rem;
}

.legal-back {
  display: inline-block;
  margin-bottom: 1.5rem;
  color: var(--blue);
  font-weight: 600;
  font-size: 0.9rem;
}

/* —— Responsive —— */
@media (max-width: 880px) {
  .top-nav {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 5.5rem;
    padding-bottom: 2.5rem;
    text-align: center;
  }

  .hero-copy h1,
  .hero-lead {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-cta,
  .hero-pills {
    justify-content: center;
  }

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

  .feature-grid-3,
  .safe-steps,
  .foot-grid {
    grid-template-columns: 1fr;
  }

  .foot-grid {
    text-align: center;
  }

  .foot-tag {
    max-width: none;
    margin: 0 auto;
  }

  .foot-brand {
    justify-content: center;
  }

  .dl-tabs {
    width: 100%;
    justify-content: center;
  }

  .hero-stage {
    margin: 1.4rem auto 0.5rem;
  }

  .radar {
    max-width: 340px;
  }

  .node-label {
    font-size: 0.55rem;
    padding: 0.12rem 0.4rem;
  }

  /* Keep the scene readable on phones: drop two outer labels, keep the dots */
  .node-b .node-label,
  .node-g .node-label {
    display: none;
  }

  .feature-grid,
  .steps,
  .dl-grid,
  .contact-panel,
  .contact-panel-email {
    grid-template-columns: 1fr;
  }

  .contact-panel {
    max-width: none;
  }

  .section-head {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
  }

  .carousel-nav {
    display: none;
  }

  .screen-carousel {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 881px) {
  .hero {
    min-height: 100svh;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  }

  .hero-copy {
    padding-right: 0.5rem;
  }
}

@media (max-width: 1100px) and (min-width: 881px) {
  .feature-grid-3 {
    grid-template-columns: 1fr 1fr;
  }

  .safe-steps {
    grid-template-columns: 1fr;
  }

  .foot-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 980px) and (min-width: 881px) {
  .steps {
    grid-template-columns: 1fr;
  }

  .feature-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}