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

:root {
  --bg:        #080d1a;
  --surface:   #0d1426;
  --surface2:  #111827;
  --border:    rgba(255,255,255,0.07);
  --border2:   rgba(255,255,255,0.13);
  --accent:    #6366f1;
  --accent-bg: rgba(99,102,241,0.08);
  --accent-l:  #818cf8;
  --gold:      #f59e0b;
  --gold-bg:   rgba(245,158,11,0.08);
  --green:     #10b981;
  --text:      #e2e8f0;
  --muted:     #64748b;
  --muted2:    #94a3b8;
  --r:         12px;
  --r-sm:      8px;
}

html { scroll-behavior: smooth; }

body {
  font-family: system-ui, -apple-system, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
}

a { color: var(--accent-l); text-decoration: none; }
a:hover { color: white; }

img { max-width: 100%; }

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Navigation ─────────────────────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 0 32px;
  height: 64px;
  background: rgba(8,13,26,0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1.1rem;
  color: white;
  text-decoration: none;
  flex-shrink: 0;
}

.brand-icon { font-size: 1.3rem; color: var(--accent-l); }

.nav-links {
  list-style: none;
  display: flex;
  gap: 4px;
  margin-right: auto;
}

.nav-links a {
  padding: 6px 12px;
  border-radius: 6px;
  color: var(--muted2);
  font-size: 0.9rem;
  transition: color 0.15s, background 0.15s;
}

.nav-links a:hover,
.nav-links a.active {
  color: white;
  background: rgba(255,255,255,0.06);
}

/* ── Buttons ─────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 10px 20px;
  border-radius: var(--r-sm);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s, transform 0.1s, box-shadow 0.2s;
  border: none;
  text-decoration: none;
  white-space: nowrap;
  line-height: 1;
}

.btn:active { transform: scale(0.97); }

.btn-primary {
  background: var(--accent);
  color: white;
}
.btn-primary:hover {
  opacity: 0.88;
  color: white;
  box-shadow: 0 0 24px rgba(99,102,241,0.35);
}

.btn-ghost {
  background: rgba(255,255,255,0.06);
  color: var(--muted2);
  border: 1px solid var(--border2);
}
.btn-ghost:hover { background: rgba(255,255,255,0.1); color: white; }

.btn-sm  { padding: 7px 14px; font-size: 0.82rem; }
.btn-lg  { padding: 14px 28px; font-size: 1rem; }
.btn-xl  { padding: 18px 44px; font-size: 1.1rem; border-radius: var(--r); }

/* ── Hero ────────────────────────────────────────────────────────────────── */
.hero {
  padding: 100px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -120px; left: 50%;
  transform: translateX(-50%);
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(99,102,241,0.11) 0%, transparent 70%);
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 1; }

.hero-badge {
  display: inline-block;
  background: var(--gold-bg);
  border: 1px solid rgba(245,158,11,0.22);
  color: var(--gold);
  padding: 5px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-bottom: 24px;
}

.hero-title {
  font-size: clamp(2.2rem, 5.5vw, 4.2rem);
  font-weight: 800;
  line-height: 1.1;
  color: white;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent-l) 0%, #c084fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.12rem;
  color: var(--muted2);
  max-width: 600px;
  margin: 0 auto 36px;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.hero-compat {
  display: flex;
  gap: 24px;
  justify-content: center;
  font-size: 0.82rem;
  color: var(--muted);
  flex-wrap: wrap;
}

/* ── Sections ────────────────────────────────────────────────────────────── */
.section { padding: 80px 0; }
.section-alt { background: var(--surface); }
.section-cta {
  background: linear-gradient(135deg, rgba(99,102,241,0.07) 0%, rgba(192,132,252,0.04) 100%);
  border-top: 1px solid var(--border);
}

.section-header { text-align: center; margin-bottom: 52px; }

.section-badge {
  display: inline-block;
  background: var(--accent-bg);
  color: var(--accent-l);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  margin-bottom: 12px;
  border: 1px solid rgba(99,102,241,0.2);
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  color: white;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.section-sub {
  color: var(--muted2);
  max-width: 520px;
  margin: 0 auto;
  font-size: 1.05rem;
}

/* ── Features Grid ───────────────────────────────────────────────────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 18px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 28px;
  transition: border-color 0.2s, transform 0.2s;
}
.feature-card:hover {
  border-color: rgba(99,102,241,0.3);
  transform: translateY(-2px);
}
.feature-icon { font-size: 1.9rem; margin-bottom: 14px; }
.feature-title { font-weight: 600; color: white; margin-bottom: 8px; font-size: 1rem; }
.feature-desc  { color: var(--muted2); font-size: 0.9rem; line-height: 1.65; }

/* ── Steps ───────────────────────────────────────────────────────────────── */
.steps {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}
.step { flex: 1; min-width: 190px; max-width: 270px; text-align: center; }
.step-num {
  width: 52px; height: 52px;
  background: var(--accent);
  color: white; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem; font-weight: 700;
  margin: 0 auto 16px;
  box-shadow: 0 0 20px rgba(99,102,241,0.3);
}
.step h3 { color: white; font-size: 1.05rem; margin-bottom: 8px; }
.step p   { color: var(--muted2); font-size: 0.88rem; line-height: 1.6; }
.step-arrow { color: var(--muted); font-size: 1.8rem; align-self: center; padding-bottom: 44px; }

/* ── Wireless Highlight ──────────────────────────────────────────────────── */
.wireless-highlight {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 60px;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 56px;
}
.wh-content h2 {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 700; color: white;
  letter-spacing: -0.02em; margin-bottom: 14px;
}
.wh-content p { color: var(--muted2); line-height: 1.75; margin-bottom: 20px; }
.wh-list { list-style: none; display: flex; flex-direction: column; gap: 9px; margin-bottom: 24px; }
.wh-list li { color: var(--text); font-size: 0.93rem; }
.wh-url-demo {
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--border2);
  border-radius: 8px; padding: 10px 16px;
  font-family: 'Courier New', monospace; font-size: 0.83rem; color: var(--muted2);
}
.wh-url strong { color: var(--accent-l); }

/* ── Phone Mockup ────────────────────────────────────────────────────────── */
.phone-mockup {
  width: 195px;
  background: #0a0f24;
  border: 7px solid #1e2637;
  border-radius: 28px;
  padding: 20px 14px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.phone-screen {
  min-height: 310px;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 10px; text-align: center;
}
.phone-title   { font-size: 0.68rem; color: rgba(255,255,255,0.45); letter-spacing: 0.08em; }
.phone-text    { font-size: 0.82rem; color: white; line-height: 1.75; font-weight: 500; }
.phone-counter { font-size: 0.6rem; color: rgba(255,255,255,0.28); }

/* ── CTA ─────────────────────────────────────────────────────────────────── */
.cta-inner { text-align: center; padding: 60px 0; }
.cta-inner h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 700; color: white; margin-bottom: 12px;
}
.cta-inner p { color: var(--muted2); font-size: 1.05rem; margin-bottom: 32px; }
.cta-note    { margin-top: 14px; font-size: 0.82rem; color: var(--muted); }

/* ── Page Hero (sub-pages) ───────────────────────────────────────────────── */
.page-hero { padding: 80px 0 60px; text-align: center; }
.page-hero-title {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800; color: white;
  letter-spacing: -0.02em; margin-bottom: 16px;
}
.page-hero-sub { color: var(--muted2); font-size: 1.1rem; max-width: 560px; margin: 0 auto; }

/* ── Content Sections ────────────────────────────────────────────────────── */
.content-section { padding: 64px 0; border-top: 1px solid var(--border); }
.content-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 60px; align-items: start;
}
.content-grid h2 { color: white; font-size: 1.55rem; font-weight: 700; margin-bottom: 14px; }
.content-grid p  { color: var(--muted2); line-height: 1.8; margin-bottom: 12px; }
.content-grid strong { color: var(--text); }

/* ── Team ────────────────────────────────────────────────────────────────── */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 18px;
}
.team-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r); padding: 28px; text-align: center;
}
.team-avatar {
  width: 68px; height: 68px;
  background: linear-gradient(135deg, var(--accent) 0%, #c084fc 100%);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.7rem; margin: 0 auto 14px;
}
.team-name { color: white; font-weight: 600; margin-bottom: 5px; }
.team-role { color: var(--muted); font-size: 0.85rem; line-height: 1.4; }

/* ── Download Page ───────────────────────────────────────────────────────── */
.download-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px; padding: 48px;
  text-align: center; max-width: 580px;
  margin: 0 auto 40px;
}
.download-icon    { font-size: 3.5rem; margin-bottom: 16px; }
.download-title   { color: white; font-size: 1.7rem; font-weight: 700; margin-bottom: 8px; }
.download-version { color: var(--muted); font-size: 0.88rem; margin-bottom: 28px; }
.download-requirements {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r); padding: 24px;
  max-width: 580px; margin: 0 auto;
}
.download-requirements h3 { color: white; margin-bottom: 14px; font-size: 1rem; }
.req-list { list-style: none; display: flex; flex-direction: column; gap: 9px; }
.req-list li {
  color: var(--muted2); font-size: 0.9rem;
  padding-left: 22px; position: relative;
}
.req-list li::before { content: '✓'; position: absolute; left: 0; color: var(--green); }

/* ── FAQ ─────────────────────────────────────────────────────────────────── */
.faq-list { display: flex; flex-direction: column; gap: 0; }
.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
}
.faq-q { color: white; font-weight: 600; margin-bottom: 8px; }
.faq-a { color: var(--muted2); font-size: 0.93rem; line-height: 1.7; }

/* ── Footer ──────────────────────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--border);
  padding: 48px 0 32px;
  margin-top: 80px;
}
.footer-inner {
  display: flex; justify-content: space-between;
  align-items: flex-start; gap: 40px; flex-wrap: wrap;
  margin-bottom: 28px;
}
.footer-brand { font-weight: 700; color: white; font-size: 1.05rem; margin-bottom: 5px; }
.footer-sub   { color: var(--muted); font-size: 0.88rem; }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-links a { color: var(--muted); font-size: 0.9rem; }
.footer-links a:hover { color: white; }
.footer-copy {
  text-align: center; color: var(--muted); font-size: 0.82rem;
  border-top: 1px solid var(--border); padding-top: 24px;
}

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .nav { padding: 0 16px; gap: 12px; }
  .nav-links { display: none; }

  .hero { padding: 64px 0 48px; }

  .wireless-highlight { grid-template-columns: 1fr; padding: 28px; gap: 28px; }
  .wh-visual { display: none; }

  .content-grid { grid-template-columns: 1fr; gap: 32px; }

  .steps { flex-direction: column; align-items: center; gap: 20px; }
  .step-arrow { transform: rotate(90deg); padding-bottom: 0; }

  .download-card { padding: 32px 20px; }

  .footer-inner { flex-direction: column; gap: 20px; }

  .section { padding: 56px 0; }
}