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

body {
  font-family: 'Segoe UI', Arial, sans-serif;
  color: #222;
  background: #fff;
}

/* TOP BAR */
.topbar {
  background: #111;
  color: #fff;
  text-align: center;
  padding: 8px 16px;
  font-size: 13px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 4px;
}

/* NAV */
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 40px;
  background: #fff;
  border-bottom: 1px solid #eee;
  flex-wrap: wrap;
  gap: 10px;
}

.logo {
  font-size: 24px;
  font-weight: 900;
  letter-spacing: 2px;
  color: #111;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 24px;
}

nav ul a {
  text-decoration: none;
  color: #333;
  font-size: 14px;
  font-weight: 500;
}

nav ul a:hover { color: #3cb043; }

.btn-nav {
  background: #3cb043;
  color: #fff;
  padding: 10px 20px;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 700;
  font-size: 14px;
  transition: background 0.2s;
}

.btn-nav:hover { background: #2a8a30; }

/* LANG SWITCHER */
.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.lang-switcher {
  display: flex;
  gap: 4px;
}

.lang-btn {
  background: none;
  border: 2px solid transparent;
  border-radius: 6px;
  font-size: 22px;
  cursor: pointer;
  padding: 2px 4px;
  line-height: 1;
  transition: border-color 0.2s, transform 0.1s;
  opacity: 0.5;
}

.lang-btn:hover { opacity: 1; transform: scale(1.1); }
.lang-btn.active { border-color: #3cb043; opacity: 1; }

/* HERO */
.hero {
  background: #1a1a1a;
  color: #fff;
  display: flex;
  align-items: stretch;
  justify-content: center;
  padding: 0 0 0 80px;
  gap: 60px;
  max-width: 1200px;
  margin: 0 auto;
  flex-wrap: wrap;
  min-height: 480px;
}

.hero-content {
  flex: 1;
  min-width: 300px;
  max-width: 520px;
  padding: 60px 0;
}

.hero h1 {
  font-size: 36px;
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 16px;
}

.green { color: #3cb043; }

.subtitle {
  font-size: 16px;
  color: #ccc;
  margin-bottom: 20px;
}

.badges {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 20px;
  font-size: 14px;
  color: #aef0b0;
}

.social-proof {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  background: #fff;
  color: #333;
  padding: 10px 14px;
  border-radius: 6px;
  width: fit-content;
}

.stars { color: #f5a623; font-size: 14px; }
.stars small { color: #555; font-size: 12px; }

/* CTA BUTTON */
.btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  background: #3cb043;
  color: #fff;
  padding: 16px 28px;
  border-radius: 6px;
  text-decoration: none;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.5px;
  transition: background 0.2s, transform 0.1s;
  box-shadow: 0 4px 16px rgba(60,176,67,0.4);
}

.btn-cta:hover {
  background: #2a8a30;
  transform: translateY(-2px);
}

.btn-cta.large {
  font-size: 20px;
  padding: 20px 40px;
}

.discount-badge {
  background: #fff;
  color: #3cb043;
  font-weight: 900;
  font-size: 14px;
  text-align: center;
  padding: 4px 8px;
  border-radius: 4px;
  line-height: 1.2;
}

.guarantee {
  margin-top: 10px;
  font-size: 13px;
  color: #aaa;
}

.hero-image {
  flex: 1.2;
  display: flex;
  justify-content: flex-end;
  align-items: stretch;
  min-width: 320px;
  align-self: stretch;
}

.hero-image img {
  width: 100%;
  max-width: 600px;
  height: 100%;
  object-fit: cover;
  object-position: center;
  border-radius: 8px;
}

/* HERO wrapper to allow full-width dark bg */
.hero-wrapper {
  background: #1a1a1a;
}

/* Center all sections */
.features, .how-it-works, .testimonials, .cta-section, .faq, .media-bar {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

/* MEDIA BAR */
.media-bar {
  background: #f5f5f5;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
  padding: 20px 40px;
  flex-wrap: wrap;
  border-bottom: 1px solid #e0e0e0;
}

.media-bar span {
  font-weight: 700;
  font-size: 15px;
  color: #888;
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* FEATURES */
.features {
  padding: 70px 40px;
  text-align: center;
}

.features h2, .how-it-works h2, .testimonials h2, .faq h2 {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 10px;
}

.features h2::after {
  content: '';
  display: block;
  width: 50px;
  height: 3px;
  background: #3cb043;
  margin: 10px auto 40px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 32px;
  max-width: 900px;
  margin: 0 auto;
}

.feature-card {
  padding: 24px;
  text-align: center;
}

.icon {
  font-size: 36px;
  background: #111;
  color: #fff;
  width: 64px;
  height: 64px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.feature-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 14px;
  color: #555;
  line-height: 1.6;
}

/* HOW IT WORKS */
.how-it-works {
  background: #f9f9f9;
  padding: 70px 40px;
  text-align: center;
}

.how-it-works h2::after {
  content: '';
  display: block;
  width: 50px;
  height: 3px;
  background: #3cb043;
  margin: 10px auto 40px;
}

.steps {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  max-width: 800px;
  margin: 0 auto;
}

.step {
  max-width: 220px;
  text-align: center;
}

.step-num {
  width: 52px;
  height: 52px;
  background: #3cb043;
  color: #fff;
  font-size: 22px;
  font-weight: 900;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
}

.step h3 { font-size: 17px; margin-bottom: 8px; }
.step p { font-size: 14px; color: #555; line-height: 1.6; }

/* TESTIMONIALS */
.testimonials {
  padding: 70px 40px;
  text-align: center;
}

.testimonials h2::after {
  content: '';
  display: block;
  width: 50px;
  height: 3px;
  background: #3cb043;
  margin: 10px auto 40px;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}

.testimonial {
  background: #f5f5f5;
  border-radius: 10px;
  padding: 24px;
  text-align: left;
}

.testimonial .stars { color: #f5a623; margin-bottom: 10px; }
.testimonial p { font-size: 14px; color: #444; line-height: 1.6; margin-bottom: 12px; }
.testimonial strong { font-size: 13px; color: #222; }

/* CTA SECTION */
.cta-section {
  background: #1a1a1a;
  color: #fff;
  text-align: center;
  padding: 70px 40px;
}

.cta-section h2 { font-size: 28px; margin-bottom: 12px; }
.cta-section p { font-size: 16px; color: #ccc; margin-bottom: 28px; }
.cta-section .guarantee { margin-top: 16px; font-size: 14px; color: #aaa; }

/* FAQ */
.faq {
  padding: 70px 40px;
  max-width: 700px;
  margin: 0 auto;
}

.faq h2 { text-align: center; }

.faq h2::after {
  content: '';
  display: block;
  width: 50px;
  height: 3px;
  background: #3cb043;
  margin: 10px auto 40px;
}

.faq-list { display: flex; flex-direction: column; gap: 12px; }

details {
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  padding: 16px 20px;
}

summary {
  font-weight: 700;
  cursor: pointer;
  font-size: 15px;
  list-style: none;
}

summary::-webkit-details-marker { display: none; }
summary::before { content: '+ '; color: #3cb043; font-weight: 900; }
details[open] summary::before { content: '− '; }

details p {
  margin-top: 12px;
  font-size: 14px;
  color: #555;
  line-height: 1.6;
}

/* FOOTER */
footer {
  background: #111;
  color: #888;
  text-align: center;
  padding: 24px 40px;
  font-size: 13px;
  line-height: 1.8;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  nav { padding: 14px 20px; }
  nav ul { display: none; }
  .hero { padding: 40px 20px; text-align: center; justify-content: center; flex-direction: column; }
  .hero-content { padding: 0; }
  .hero h1 { font-size: 26px; }
  .hero-image { justify-content: center; }
  .social-proof { margin: 0 auto 24px; }
  .btn-cta { font-size: 15px; padding: 14px 20px; }
  .features, .how-it-works, .testimonials, .cta-section, .faq { padding: 50px 20px; }
  .media-bar { gap: 20px; }
}