:root {
  --color-primary: #F90170;
  --color-primary-dark: #D1005F; 
  --color-bg: #F7FAFC;
  --color-text: #1F2933;
  --color-light: #FFE6F1; 
  --color-card: #FFFFFF;
  --shadow-soft: 0 18px 45px rgba(15, 23, 42, 0.12);
}


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

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}

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

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

.container {
  width: 90%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 16px;
}

/* HEADER */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(247, 250, 252, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(148, 163, 184, 0.2);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
}

.logo {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 18px;
  color: var(--color-primary);
}

.main-nav {
  display: flex;
  gap: 20px;
  font-size: 14px;
}

.main-nav a {
  position: relative;
  padding-bottom: 4px;
}

.main-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width 0.2s ease-out;
}

.main-nav a:hover::after {
  width: 100%;
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 14px;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease-out;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
  box-shadow: 0 12px 30px rgba(43, 175, 122, 0.35);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 40px rgba(43, 175, 122, 0.45);
}

.btn-outline {
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  background: transparent;
}

.btn-outline:hover {
  background: var(--color-light);
}

/* Nav toggle (mobile) */

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  padding: 4px;
  cursor: pointer;
}

.nav-toggle span {
  width: 20px;
  height: 2px;
  background: var(--color-text);
  border-radius: 999px;
  transition: transform 0.2s ease-out, opacity 0.2s ease-out;
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.open span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* HERO */

.hero {
  position: relative;
  padding: 72px 0 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(43, 175, 122, 0.12), transparent 55%),
              radial-gradient(circle at bottom left, rgba(43, 175, 122, 0.08), transparent 55%);
  z-index: -1;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 40px;
  align-items: center;
}

.hero-text h1 {
  font-family: 'Poppins', sans-serif;
  font-size: 40px;
  line-height: 1.1;
  margin: 0 0 16px;
}

.hero-text p {
  font-size: 16px;
  max-width: 480px;
  margin-bottom: 20px;
}

.hero-meta {
  font-size: 13px;
  color: #64748B;
  margin-top: 8px;
}

.hero-visual {
  display: flex;
  justify-content: center;
}

.product-card {
  position: relative;
  width: 80%;
  height: 360px;
  border-radius: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}



.product-glow {
  position: absolute;
  width: 220%;
  height: 220%;
  opacity: 0.7;
  filter: blur(10px);
}

.product-image {
  position: relative;
  z-index: 1;
}

.product-placeholder {
  width: 140px;
  height: 220px;
  border-radius: 18px;
  border: 2px dashed rgba(148, 163, 184, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 13px;
  color: #64748B;
}

/* Sections */

.section {
  padding: 64px 0;
}

.section-light {
  background: #FFFFFF;
}

.section-title {
  font-family: 'Poppins', sans-serif;
  font-size: 26px;
  margin-bottom: 16px;
}

.section p {
  margin-top: 0;
}

/* Features */

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  margin-top: 24px;
}

.feature-card {
  background: var(--color-card);
  border-radius: 18px;
  padding: 18px 16px;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
  font-size: 14px;
}

.feature-card h3 {
  font-size: 16px;
  margin-top: 0;
  margin-bottom: 8px;
}

/* Composition */

.composition {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.3fr);
  gap: 40px;
  align-items: center;
}

.composition-list {
  display: grid;
  gap: 16px;
  margin-top: 16px;
}

.composition-item {
  background: var(--color-card);
  border-radius: 14px;
  padding: 14px 16px;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.04);
  font-size: 14px;
}

/* Reviews */

.reviews {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 24px;
}

.review-card {
  background: var(--color-card);
  border-radius: 18px;
  padding: 18px 16px;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
  font-size: 14px;
}

.stars {
  color: #FBBF24;
  font-size: 16px;
  margin-bottom: 8px;
}

.review-name {
  display: block;
  margin-top: 10px;
  font-size: 13px;
  color: #64748B;
}

/* Steps */

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 24px;
}

.step {
  background: var(--color-card);
  border-radius: 18px;
  padding: 18px 16px;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
  position: relative;
}

.step-number {
  position: absolute;
  top: -12px;
  left: 16px;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  background: var(--color-primary);
  color: #fff;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* FAQ */

.faq-list {
  margin-top: 20px;
  display: grid;
  gap: 10px;
}

.faq-item {
  background: var(--color-card);
  border-radius: 14px;
  padding: 10px 14px;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.04);
  font-size: 14px;
}

.faq-item summary {
  cursor: pointer;
  font-weight: 500;
}

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

/* CTA / Offers */

.section-cta {
  background: radial-gradient(circle at top, rgba(43, 175, 122, 0.12), transparent 55%);
}

.offers {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 24px;
}

.offer-card {
  background: var(--color-card);
  border-radius: 20px;
  padding: 20px 18px;
  box-shadow: 0 14px 40px rgba(15, 23, 42, 0.08);
  text-align: center;
  font-size: 14px;
}

.offer-card .price {
  font-size: 20px;
  font-weight: 600;
  margin: 12px 0 16px;
}

.offer-card.highlight {
  border: 2px solid var(--color-primary);
  transform: translateY(-4px);
}

.offer-card.highlight .btn-primary {
  width: 100%;
}

.cta-note {
  margin-top: 16px;
  font-size: 13px;
  color: #64748B;
  text-align: center;
}

/* Footer */

.site-footer {
  padding: 32px 0 24px;
  background: #0F172A;
  color: #E5E7EB;
  font-size: 13px;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
}

.footer-links {
  display: flex;
  gap: 16px;
}

.footer-links a {
  color: #CBD5F5;
}

.footer-copy {
  color: #9CA3AF;
}

/* Animace */

.animate-in,
.animate-in-delayed,
.scroll-animate {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

.animate-in {
  opacity: 1;
  transform: translateY(0);
}

.animate-in-delayed {
  animation: fadeUp 0.6s ease-out 0.2s forwards;
}

.scroll-animate.visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsivita */

@media (max-width: 960px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
  }
  .hero-visual {
    order: -1;
  }
  .features-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .composition {
    grid-template-columns: minmax(0, 1fr);
  }
  .reviews {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .offers {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .header-inner {
    gap: 8px;
    
  }

  .site-header { padding: 0 12px; }
  .main-nav {
    position: absolute;
    top: 56px;
    right: 16px;
    background: #FFFFFF;
    border-radius: 16px;
    box-shadow: 0 18px 45px rgba(15, 23, 42, 0.18);
    padding: 10px 14px;
    flex-direction: column;
    align-items: flex-start;
    display: none;
  }
  .main-nav.open {
    display: flex;
  }
  .nav-toggle {
    display: flex;
  }
  .site-header .btn-outline {
    display: none;
  }

  .hero {
    padding-top: 56px;
  }
  .hero-text h1 {
    font-size: 30px;
  }
  .features-grid,
  .reviews,
  .steps,
  .offers {
    grid-template-columns: minmax(0, 1fr);
  }
  .product-card {
    width: 220px;
    height: 320px;
  }
}