/* batechy.com — qwik.dev inspired, purple framework style */
:root {
  --c-bg: #0d0b1e;
  --c-bg2: #13103a;
  --c-surface: #1a1640;
  --c-surface2: #221e54;
  --c-border: rgba(109,40,217,0.25);
  --c-accent: #7c3aed;
  --c-accent2: #4f46e5;
  --c-accent-light: #a78bfa;
  --c-text: #f0eeff;
  --c-text2: #c4b8ff;
  --c-muted: #7c7a9c;
  --c-white: #ffffff;
  --radius: 12px;
  --radius-lg: 20px;
  --max-w: 1140px;
  --font: 'Inter','Segoe UI',system-ui,-apple-system,sans-serif;
  --transition: 0.2s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--font);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* ─── NAV ─── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13,11,30,0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--c-border);
}
.nav__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--c-text);
  flex-shrink: 0;
}
.nav__logo img { width: 32px; height: 32px; }
.nav__links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}
.nav__links a {
  font-size: 0.9rem;
  color: var(--c-text2);
  transition: color var(--transition);
}
.nav__links a:hover { color: var(--c-text); }
.nav__cta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

/* ─── BUTTONS ─── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 24px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--c-accent), var(--c-accent2));
  color: #fff;
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1;
  transition: opacity var(--transition), transform var(--transition);
  min-height: 44px;
  white-space: nowrap;
}
.btn-primary:hover { opacity: 0.88; transform: translateY(-1px); }

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 24px;
  border-radius: var(--radius);
  border: 1.5px solid rgba(167,139,250,0.5);
  color: var(--c-accent-light);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1;
  transition: border-color var(--transition), background var(--transition);
  min-height: 44px;
  white-space: nowrap;
}
.btn-outline:hover { border-color: var(--c-accent-light); background: rgba(124,58,237,0.1); }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius);
  color: var(--c-text2);
  font-size: 0.88rem;
  font-weight: 500;
  transition: color var(--transition), background var(--transition);
  min-height: 44px;
}
.btn-ghost:hover { color: var(--c-text); background: var(--c-surface); }

.btn-lg {
  padding: 15px 36px;
  font-size: 1.05rem;
  border-radius: var(--radius-lg);
  min-height: 52px;
}

/* ─── CONTAINER ─── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* ─── HERO ─── */
.hero {
  padding: 96px 0 80px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -120px; right: -200px;
  width: 680px; height: 680px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(124,58,237,0.18) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -80px; left: -100px;
  width: 400px; height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(79,70,229,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(124,58,237,0.15);
  border: 1px solid rgba(124,58,237,0.35);
  color: var(--c-accent-light);
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 20px;
}
.hero__badge-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #a78bfa;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.hero__title {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--c-white);
  margin-bottom: 20px;
}
.hero__title em {
  font-style: normal;
  background: linear-gradient(90deg, #a78bfa, #6d28d9, #4f46e5);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero__sub {
  font-size: 1.1rem;
  color: var(--c-text2);
  margin-bottom: 36px;
  max-width: 480px;
  line-height: 1.7;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 40px;
}
.hero__stats {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}
.stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.stat__num {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--c-white);
  letter-spacing: -0.02em;
}
.stat__label {
  font-size: 0.8rem;
  color: var(--c-muted);
  font-weight: 500;
}

/* ─── HERO VISUAL ─── */
.hero__visual {
  position: relative;
}
.hero__card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  position: relative;
  overflow: hidden;
}
.hero__card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--c-accent), var(--c-accent2));
}
.hcard__head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}
.hcard__dot {
  width: 10px; height: 10px;
  border-radius: 50%;
}
.hcard__dot--g { background: #22c55e; }
.hcard__dot--y { background: #f59e0b; }
.hcard__dot--r { background: #ef4444; }
.hcard__title { font-size: 0.85rem; color: var(--c-muted); font-weight: 500; margin-left: auto; }
.hcard__list { list-style: none; display: flex; flex-direction: column; gap: 10px; margin-bottom: 20px; }
.hcard__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-radius: var(--radius);
  background: var(--c-surface2);
}
.hcard__pair { font-size: 0.9rem; font-weight: 600; color: var(--c-text); }
.hcard__price { font-size: 0.9rem; font-weight: 700; color: var(--c-white); }
.hcard__change { font-size: 0.8rem; font-weight: 600; border-radius: 6px; padding: 2px 8px; }
.hcard__change--up { color: #22c55e; background: rgba(34,197,94,0.1); }
.hcard__change--dn { color: #ef4444; background: rgba(239,68,68,0.1); }
.hcard__cta-row {
  display: flex;
  gap: 10px;
}

/* ─── LOGO BAND ─── */
.logoband {
  padding: 40px 0;
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
  overflow: hidden;
}
.logoband__label {
  text-align: center;
  font-size: 0.82rem;
  color: var(--c-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}
.logoband__track {
  display: flex;
  gap: 48px;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
}
.logoband__chip {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--c-muted);
  white-space: nowrap;
}
.logoband__chip svg { width: 20px; height: 20px; opacity: 0.7; }

/* ─── FEATURE GRID ─── */
.features {
  padding: 96px 0;
}
.section-header {
  text-align: center;
  margin-bottom: 56px;
}
.section-label {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 999px;
  background: rgba(124,58,237,0.12);
  border: 1px solid rgba(124,58,237,0.3);
  color: var(--c-accent-light);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.section-title {
  font-size: clamp(1.7rem, 3.5vw, 2.4rem);
  font-weight: 800;
  color: var(--c-white);
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin-bottom: 14px;
}
.section-desc {
  font-size: 1.05rem;
  color: var(--c-text2);
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.7;
}
.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.feat-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: border-color var(--transition), transform var(--transition);
}
.feat-card:hover {
  border-color: rgba(124,58,237,0.5);
  transform: translateY(-3px);
}
.feat-card__icon {
  width: 48px; height: 48px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(124,58,237,0.25), rgba(79,70,229,0.2));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 1.5rem;
}
.feat-card__title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--c-white);
  margin-bottom: 8px;
}
.feat-card__desc {
  font-size: 0.88rem;
  color: var(--c-text2);
  line-height: 1.65;
}

/* ─── DOWNLOAD SECTION ─── */
.download {
  padding: 80px 0;
  background: linear-gradient(135deg, rgba(109,40,217,0.08), rgba(79,70,229,0.05));
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
}
.download__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.download__title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--c-white);
  letter-spacing: -0.025em;
  line-height: 1.2;
  margin-bottom: 16px;
}
.download__desc {
  font-size: 1rem;
  color: var(--c-text2);
  line-height: 1.7;
  margin-bottom: 28px;
}
.download__platforms {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.platform-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  border-radius: var(--radius);
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  transition: border-color var(--transition);
  min-height: 60px;
}
.platform-row:hover { border-color: rgba(124,58,237,0.5); }
.platform-row__icon { font-size: 1.4rem; width: 28px; text-align: center; }
.platform-row__info { flex: 1; }
.platform-row__name { font-size: 0.92rem; font-weight: 600; color: var(--c-white); }
.platform-row__note { font-size: 0.78rem; color: var(--c-muted); }
.download__visual {
  position: relative;
}
.phone-mock {
  width: 240px;
  height: 430px;
  background: var(--c-surface);
  border: 2px solid var(--c-border);
  border-radius: 36px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
  box-shadow: 0 40px 80px rgba(0,0,0,0.4), 0 0 0 1px rgba(124,58,237,0.2);
}
.phone-mock::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-accent), var(--c-accent2));
}
.phone-mock__notch {
  width: 100px; height: 26px;
  background: var(--c-surface2);
  border-radius: 0 0 18px 18px;
  margin: 0 auto;
}
.phone-mock__content {
  padding: 16px;
}
.phone-mock__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}
.phone-mock__brand { font-size: 0.75rem; font-weight: 700; color: var(--c-accent-light); }
.phone-mock__icon-sm { width: 24px; height: 24px; border-radius: 6px; background: linear-gradient(135deg, var(--c-accent), var(--c-accent2)); }
.phone-mock__price {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--c-white);
  margin-bottom: 4px;
}
.phone-mock__pair { font-size: 0.75rem; color: var(--c-muted); margin-bottom: 12px; }
.phone-mini-chart {
  height: 60px;
  display: flex;
  align-items: flex-end;
  gap: 3px;
  padding-bottom: 4px;
}
.bar {
  flex: 1;
  border-radius: 3px 3px 0 0;
  background: linear-gradient(180deg, var(--c-accent) 0%, rgba(124,58,237,0.3) 100%);
  min-height: 8px;
}
.phone-mock__list { display: flex; flex-direction: column; gap: 8px; margin-top: 12px; }
.phone-mini-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.72rem;
}
.phone-mini-row__name { color: var(--c-text2); font-weight: 600; }
.phone-mini-row__val { color: var(--c-white); font-weight: 700; }
.phone-mini-row__chg { color: #22c55e; font-weight: 600; }

/* ─── SECURITY SECTION ─── */
.security {
  padding: 96px 0;
}
.security__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.security__visual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.sec-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 22px;
  text-align: center;
}
.sec-card__icon { font-size: 2rem; margin-bottom: 10px; }
.sec-card__num {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--c-white);
  margin-bottom: 4px;
  letter-spacing: -0.02em;
}
.sec-card__label { font-size: 0.78rem; color: var(--c-muted); line-height: 1.4; }
.security__content {}
.security__title {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  font-weight: 800;
  color: var(--c-white);
  letter-spacing: -0.025em;
  line-height: 1.2;
  margin-bottom: 16px;
}
.security__desc {
  font-size: 1rem;
  color: var(--c-text2);
  line-height: 1.7;
  margin-bottom: 24px;
}
.security__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}
.security__list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--c-text2);
  line-height: 1.5;
}
.sec-check {
  width: 20px; height: 20px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--c-accent), var(--c-accent2));
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
  font-size: 0.65rem;
  color: #fff;
}

/* ─── FAQ ─── */
.faq {
  padding: 80px 0;
  border-top: 1px solid var(--c-border);
}
.faq__list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq__item {
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  background: var(--c-surface);
  overflow: hidden;
}
.faq__q {
  width: 100%;
  text-align: left;
  padding: 20px 24px;
  font-size: 0.97rem;
  font-weight: 600;
  color: var(--c-text);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  min-height: 60px;
  background: none;
  cursor: pointer;
  transition: color var(--transition);
}
.faq__q:hover { color: var(--c-white); }
.faq__q-icon {
  width: 22px; height: 22px;
  border-radius: 50%;
  border: 1.5px solid rgba(124,58,237,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.85rem;
  color: var(--c-accent-light);
  transition: transform var(--transition), background var(--transition);
}
.faq__item.open .faq__q-icon {
  transform: rotate(45deg);
  background: rgba(124,58,237,0.15);
}
.faq__a {
  display: none;
  padding: 0 24px 20px;
  font-size: 0.88rem;
  color: var(--c-text2);
  line-height: 1.7;
}
.faq__item.open .faq__a { display: block; }

/* ─── CTA BANNER ─── */
.cta-banner {
  padding: 80px 0;
}
.cta-banner__box {
  background: linear-gradient(135deg, rgba(109,40,217,0.2), rgba(79,70,229,0.15));
  border: 1px solid rgba(124,58,237,0.3);
  border-radius: 24px;
  padding: 60px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-banner__box::before {
  content: '';
  position: absolute;
  top: -60px; left: 50%;
  transform: translateX(-50%);
  width: 400px; height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(124,58,237,0.2), transparent 70%);
  pointer-events: none;
}
.cta-banner__title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--c-white);
  letter-spacing: -0.025em;
  margin-bottom: 14px;
}
.cta-banner__desc {
  font-size: 1.05rem;
  color: var(--c-text2);
  margin-bottom: 32px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}
.cta-banner__actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ─── FOOTER ─── */
.footer {
  background: var(--c-surface);
  border-top: 1px solid var(--c-border);
  padding: 56px 0 32px;
}
.footer__top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer__brand {}
.footer__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--c-text);
  margin-bottom: 14px;
}
.footer__logo img { width: 28px; height: 28px; }
.footer__tagline {
  font-size: 0.85rem;
  color: var(--c-muted);
  line-height: 1.6;
  max-width: 240px;
  margin-bottom: 20px;
}
.footer__col-title {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--c-text);
  margin-bottom: 14px;
}
.footer__col-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 9px;
}
.footer__col-links a {
  font-size: 0.88rem;
  color: var(--c-muted);
  transition: color var(--transition);
}
.footer__col-links a:hover { color: var(--c-text2); }
.footer__bottom {
  border-top: 1px solid var(--c-border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer__copy { font-size: 0.82rem; color: var(--c-muted); }
.footer__disclaimer { font-size: 0.78rem; color: var(--c-muted); max-width: 480px; text-align: right; line-height: 1.5; }

/* ─── RESPONSIVE ─── */
@media (max-width: 900px) {
  .hero__inner { grid-template-columns: 1fr; gap: 40px; }
  .hero__visual { order: -1; }
  .phone-mock { width: 200px; height: 360px; }
  .features__grid { grid-template-columns: repeat(2, 1fr); }
  .download__inner { grid-template-columns: 1fr; }
  .download__visual { order: -1; }
  .security__inner { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 640px) {
  .nav__links { display: none; }
  .hero { padding: 64px 0 56px; }
  .hero__title { font-size: 1.9rem; }
  .hero__stats { gap: 20px; }
  .features { padding: 64px 0; }
  .features__grid { grid-template-columns: 1fr; }
  .security { padding: 64px 0; }
  .security__visual { grid-template-columns: 1fr 1fr; }
  .cta-banner__box { padding: 40px 24px; }
  .footer__top { grid-template-columns: 1fr; gap: 28px; }
  .footer__disclaimer { text-align: left; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
  .logoband__track { gap: 24px; }
  .nav__cta .btn-outline { display: none; }
}

@media (max-width: 390px) {
  .hero__title { font-size: 1.65rem; }
  .container { padding: 0 16px; }
  .section-title { font-size: 1.5rem; }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn-primary, .hero__actions .btn-outline { width: 100%; }
  .cta-banner__actions { flex-direction: column; align-items: center; }
}