:root {
  --bg-body: #f5f5f7;
  --bg-surface: #ffffff;
  --border-soft: #e5e7eb;
  --text-main: #111111;
  --text-muted: #222222;
  --primary: #16a34a;
  --primary-soft: rgba(22, 163, 74, 0.09);
  --accent: #f97316;
  --accent-soft: rgba(249, 115, 22, 0.08);
  --shadow-soft: 0 18px 40px rgba(15, 23, 42, 0.06);
  --radius-lg: 1.5rem;
  --radius-md: 1rem;
  --radius-pill: 999px;
}

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

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg-body);
  color: var(--text-main);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
}

/* Layout */

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.section {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  padding: 3rem 1.75rem;
  margin: 1.75rem auto;
  box-shadow: var(--shadow-soft);
}

.section-alt {
  background: #ffffff;
}

.section-title {
  margin: 0 0 0.75rem;
  font-size: 1.7rem;
  letter-spacing: -0.03em;
}

.section-subtitle {
  margin: 0 0 2rem;
  color: var(--text-main);
  opacity: 0.9;
  max-width: 720px;
}

/* Top bar */

.top-bar {
  background: #f9fafb;
  border-bottom: 1px solid var(--border-soft);
  font-size: 0.85rem;
}

.top-bar-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.5rem 0;
}

.top-bar-text {
  margin: 0;
  color: var(--text-main);
}

.top-bar-text[hidden] {
  display: none !important;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-soft);
  box-shadow: 0 16px 30px rgba(15, 23, 42, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 0;
  gap: 1rem;
}

.logo img {
  height: 42px;
  display: block;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-link {
  font-size: 0.9rem;
  text-decoration: none;
  color: var(--text-main);
  padding: 0.4rem 0.6rem;
  border-radius: 999px;
  transition: background 0.18s ease, transform 0.18s ease;
}

.nav-link:hover {
  background: #f3f4f6;
  transform: translateY(-1px);
}

.nav-link[hidden] {
  display: none !important;
}

/* Buttons */

.btn-primary,
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  padding: 0.7rem 1.4rem;
  font-size: 0.95rem;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #22c55e);
  border-color: rgba(34, 197, 94, 0.4);
  color: #ffffff;
  box-shadow: 0 18px 30px rgba(34, 197, 94, 0.35);
}

.btn-primary:hover {
  box-shadow: 0 22px 40px rgba(34, 197, 94, 0.45);
  transform: translateY(-1px);
}

.btn-ghost {
  background: #ffffff;
  border-color: var(--border-soft);
  color: var(--text-main);
}

.btn-ghost:hover {
  background: #f9fafb;
}

.btn-full {
  width: 100%;
  justify-content: center;
}

/* Language switcher */

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.language-switcher {
  display: inline-flex;
  background: #f9fafb;
  border-radius: 999px;
  padding: 0.15rem;
  border: 1px solid var(--border-soft);
}

.lang-btn {
  border: none;
  background: transparent;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  font-size: 0.85rem;
  cursor: pointer;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.lang-btn.is-active {
  background: #ffffff;
  box-shadow: 0 10px 20px rgba(15, 23, 42, 0.12);
}

/* Mobile menu */

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 0.16rem;
  width: 32px;
  height: 32px;
  border-radius: 999px;
  border: 1px solid var(--border-soft);
  background: #ffffff;
  padding: 0.35rem;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  height: 2px;
  border-radius: 999px;
  background: #111827;
}

/* Hero */

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1.2fr);
  gap: 2.25rem;
  align-items: center;
}

.hero-title {
  font-size: 2.1rem;
  letter-spacing: -0.04em;
  margin: 0 0 1rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 0.8rem;
  margin-bottom: 0.75rem;
}

.hero-subtitle {
  margin: 0 0 1.5rem;
  color: var(--text-main);
  opacity: 0.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  font-size: 0.88rem;
}

.hero-meta-item {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.hero-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.5rem;
  border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-soft);
}

.hero-price {
  font-size: 2rem;
  margin: 0.3rem 0;
}

.hero-price span {
  font-size: 0.9rem;
  opacity: 0.8;
}

/* Grid utilities */

.grid {
  display: grid;
  gap: 1.5rem;
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

/* Cards */

.card {
  background: #ffffff;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-soft);
  padding: 1.5rem 1.4rem;
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.05);
}

.card h3 {
  margin-top: 0;
  margin-bottom: 0.55rem;
}

.card p {
  margin-top: 0;
  margin-bottom: 0.75rem;
  font-size: 0.95rem;
}

/* Pricing */

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.card-highlight {
  border-color: rgba(34, 197, 94, 0.55);
  box-shadow: 0 18px 40px rgba(34, 197, 94, 0.18);
  position: relative;
}

.card-badge {
  position: absolute;
  top: 1rem;
  right: 1.3rem;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
}

/* Reviews */

.review-name {
  font-weight: 600;
}

.review-role {
  font-size: 0.8rem;
  opacity: 0.8;
}

.review-stars {
  color: #fbbf24;
  margin-bottom: 0.4rem;
}

/* Devices & info */

.device-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.4rem;
}

.device-list li {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
}

.info-box {
  border-radius: var(--radius-md);
  border: 1px solid var(--border-soft);
  padding: 1.25rem 1.3rem;
  background: #f9fafb;
}

.info-box h3 {
  margin-top: 0;
}

.info-box ol {
  margin: 0 0 0.5rem 1.15rem;
  padding: 0;
  font-size: 0.92rem;
}

.info-box li + li {
  margin-top: 0.3rem;
}

.info-note {
  margin: 0.6rem 0 0;
  font-size: 0.85rem;
  color: var(--text-main);
}

/* Test player */

.test-player {
  margin-top: 1.2rem;
}

.responsive-iframe {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: 1rem;
}

.responsive-iframe iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  border-radius: 1rem;
}

/* FAQ */

.faq-list {
  display: grid;
  gap: 0.9rem;
}

.faq-item {
  border-radius: var(--radius-md);
  border: 1px solid var(--border-soft);
  padding: 1rem 1.25rem;
  background: #ffffff;
}

.faq-q {
  font-weight: 600;
  margin: 0 0 0.35rem;
}

.faq-a {
  margin: 0;
  font-size: 0.95rem;
}

/* Footer */

.site-footer {
  background: #ffffff;
  border-top: 1px solid var(--border-soft);
  margin-top: 2.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1.5fr) minmax(0, 1.5fr);
  gap: 1.75rem;
  padding: 2.5rem 0 1.5rem;
}

.footer-col h3 {
  margin-top: 0;
  margin-bottom: 0.75rem;
}

.footer-text {
  margin: 0.3rem 0 0;
  color: var(--text-main);
}

.footer-nav {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-nav li + li {
  margin-top: 0.3rem;
}

.footer-nav a {
  color: var(--text-main);
  text-decoration: none;
  font-size: 0.92rem;
}

.footer-nav a:hover {
  text-decoration: underline;
}

.footer-nav a[hidden] {
  display: none !important;
}

.footer-bottom {
  border-top: 1px solid var(--border-soft);
  padding: 0.9rem 0 1.2rem;
}

.footer-bottom-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  font-size: 0.82rem;
  color: var(--text-main);
}

/* WhatsApp floating button */

.whatsapp-float {
  position: fixed;
  right: 1.4rem;
  bottom: 1.4rem;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #22c55e;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  box-shadow: 0 18px 36px rgba(22, 163, 74, 0.55);
  z-index: 40;
}

.whatsapp-float span {
  font-size: 1.6rem;
}

/* Language wrappers */

.lang-wrapper {
  display: none;
}

.lang-wrapper.is-active {
  display: block;
}

/* Responsive */

@media (max-width: 960px) {
  .hero {
    grid-template-columns: minmax(0, 1fr);
  }

  .pricing-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .header-inner {
    flex-wrap: wrap;
  }

  .menu-toggle {
    display: flex;
  }

  .main-nav {
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    padding: 0.75rem 1.25rem 1.2rem;
    background: rgba(255, 255, 255, 0.98);
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 0.45rem;
    border-bottom: 1px solid var(--border-soft);
    box-shadow: 0 18px 28px rgba(15, 23, 42, 0.14);
    display: none;
  }

  .main-nav.is-open {
    display: flex;
  }

  .hero {
    grid-template-columns: minmax(0, 1fr);
  }

  .pricing-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .grid-3 {
    grid-template-columns: minmax(0, 1fr);
  }

  .grid-2 {
    grid-template-columns: minmax(0, 1fr);
  }

  .section {
    padding: 2.2rem 1.3rem;
    margin: 1.3rem auto;
  }

  .footer-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.7rem;
  }

  .hero-meta {
    flex-direction: column;
    align-items: flex-start;
  }

  .header-actions {
    width: 100%;
    justify-content: space-between;
  }

  .whatsapp-float {
    width: 50px;
    height: 50px;
    right: 1rem;
    bottom: 1rem;
  }
}