:root {
  color-scheme: light;
  font-family: 'Poppins', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --color-primary: #48c774;
  --color-primary-dark: #2c9c55;
  --color-secondary: #6bd6ff;
  --color-bg: #f5fff9;
  --color-text: #132a1f;
  --color-muted: #5f7a6d;
  --color-card: #ffffff;
  --shadow-soft: 0 20px 45px rgba(18, 78, 48, 0.12);
}

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

body {
  margin: 0;
  background: linear-gradient(135deg, #f1fff6 0%, #e0fffd 100%);
  color: var(--color-text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

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

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

header,
section {
  padding: 0 clamp(1.5rem, 4vw, 5rem);
}

.hero {
  padding-top: clamp(2rem, 6vw, 5rem);
  padding-bottom: clamp(2rem, 6vw, 6rem);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: clamp(2rem, 6vw, 4rem);
}

.logo {
  display: inline-flex;
  align-items: center;
  height: clamp(2.25rem, 3vw, 3rem);
}

.logo img {
  height: 100%;
  width: auto;
}

.cta-primary,
.cta-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border-radius: 999px;
  padding: 0.9rem 1.8rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.cta-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: #fff;
  box-shadow: var(--shadow-soft);
}

.cta-primary:hover,
.cta-primary:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 25px 60px rgba(72, 199, 116, 0.25);
}

.cta-secondary {
  background: rgba(255, 255, 255, 0.6);
  color: var(--color-text);
  border: 1px solid rgba(19, 42, 31, 0.08);
}

.cta-secondary:hover,
.cta-secondary:focus-visible {
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

.hero-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: clamp(2rem, 6vw, 5rem);
  align-items: flex-start;
}

.hero-text h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  margin: 0 0 1.5rem;
  line-height: 1.1;
}

.hero-text p {
  font-size: clamp(1rem, 2vw, 1.15rem);
  margin-bottom: 1.8rem;
  color: var(--color-muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.badges {
  display: flex;
  gap: 1rem;
  color: var(--color-primary-dark);
  font-weight: 600;
}

.badges span {
  background: rgba(72, 199, 116, 0.1);
  border-radius: 999px;
  padding: 0.6rem 1.2rem;
}

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

.phone-mockup {
  width: min(320px, 90%);
  border-radius: 32px;
  padding: 1.8rem;
  background: var(--color-card);
  box-shadow: 0 30px 60px rgba(19, 42, 31, 0.18);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.mockup-header {
  text-align: center;
  font-weight: 600;
  color: var(--color-primary-dark);
  letter-spacing: 0.1em;
}

.mockup-body {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.scan-slider {
  background: linear-gradient(135deg, rgba(72, 199, 116, 0.15), rgba(107, 214, 255, 0.12));
  border-radius: 20px;
  padding: 1.8rem;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1rem;
  align-items: center;
  justify-content: center;
  color: var(--color-muted);
}

.slider-control {
  border: none;
  background: rgba(255, 255, 255, 0.75);
  color: var(--color-primary-dark);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 1.4rem;
  display: grid;
  place-items: center;
  cursor: pointer;
  box-shadow: 0 10px 25px rgba(19, 42, 31, 0.12);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.slider-control:hover,
.slider-control:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 18px 35px rgba(19, 42, 31, 0.18);
}

.slider-frame {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  text-align: center;
  justify-self: center;
}

.slider-icon {
  width: 148px;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 18px 30px rgba(19, 42, 31, 0.12);
}

.slider-image {
  max-width: 70%;
  height: auto;
  object-fit: contain;
}

.slider-text h3 {
  margin: 0;
  font-size: 1.1rem;
  color: var(--color-primary-dark);
}

.slider-text p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-muted);
}

.slider-dots {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
}

.slider-dot {
  background: rgba(72, 199, 116, 0.25);
  border: none;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease;
}

.slider-dot.is-active {
  background: var(--color-primary);
  transform: scale(1.2);
}

.score {
  background: rgba(72, 199, 116, 0.08);
  border-radius: 20px;
  padding: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.score-bar {
  height: 10px;
  background: rgba(72, 199, 116, 0.25);
  border-radius: 999px;
  overflow: hidden;
}

.score-fill {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
}

.score strong {
  color: var(--color-primary-dark);
}

.score-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.badge {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  background: rgba(72, 199, 116, 0.15);
  color: var(--color-primary-dark);
}

.badge--positive {
  background: rgba(72, 199, 116, 0.18);
}

.badge--neutral {
  background: rgba(107, 214, 255, 0.2);
  color: #0f4a5b;
}

.badge--warning {
  background: rgba(255, 163, 102, 0.25);
  color: #8c3b08;
}

.section {
  padding-top: clamp(3rem, 8vw, 6rem);
  padding-bottom: clamp(3rem, 8vw, 6rem);
  position: relative;
  border-radius: clamp(1.5rem, 4vw, 2.5rem);
  margin: clamp(1.5rem, 5vw, 3rem) 0;
  isolation: isolate;
  z-index: 0;
}

.section h2 {
  text-align: center;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin: 0 auto 1rem;
  max-width: 720px;
}

.section p {
  color: var(--color-muted);
  margin: 0.5rem auto 0;
  max-width: 720px;
  text-align: center;
  font-size: 1rem;
}

.section::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: var(--section-background, transparent);
  z-index: -1;
}

main .section:nth-of-type(odd) {
  --section-background: linear-gradient(135deg, rgba(72, 199, 116, 0.16) 0%, rgba(107, 214, 255, 0.1) 100%);
}

main .section:nth-of-type(even) {
  --section-background: linear-gradient(135deg, rgba(255, 255, 255, 0.92) 0%, rgba(224, 255, 253, 0.75) 100%);
}

.advantages-grid,
.testimonials-grid,
.steps {
  margin-top: clamp(2rem, 5vw, 3rem);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: clamp(1.5rem, 4vw, 2.5rem);
}

.advantages article,
.steps article,
.testimonials figure {
  background: var(--color-card);
  border-radius: 24px;
  padding: clamp(1.4rem, 3vw, 2rem);
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.advantages article h3,
.steps article h3,
.testimonials figcaption {
  margin: 0;
  color: var(--color-primary-dark);
  font-weight: 600;
}

.advantages article p,
.steps article p,
.testimonials blockquote {
  margin: 0;
  color: var(--color-muted);
}

.personalization {
  background: radial-gradient(circle at top right, rgba(107, 214, 255, 0.25), transparent 50%),
              radial-gradient(circle at bottom left, rgba(72, 199, 116, 0.2), transparent 55%);
}

.personalization-card {
  margin-top: clamp(2rem, 5vw, 3.5rem);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: clamp(1.5rem, 4vw, 2.5rem);
  align-items: stretch;
}

.personalization-form,
.score-preview {
  background: var(--color-card);
  border-radius: 24px;
  padding: clamp(1.5rem, 4vw, 2.4rem);
  box-shadow: var(--shadow-soft);
}

.personalization-form label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.6rem;
}

.age-input {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.age-input input[type="range"] {
  accent-color: var(--color-primary);
}

.gender-choice {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.gender-choice label {
  display: flex;
  gap: 0.7rem;
  align-items: center;
}

.score-preview-header h3 {
  margin: 0;
}

.score-preview-header p {
  margin: 0.4rem 0 1.5rem;
  text-align: left;
}

.score-meter {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.meter-track {
  flex: 1;
  height: 12px;
  border-radius: 999px;
  background: rgba(72, 199, 116, 0.2);
  overflow: hidden;
}

.meter-fill {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  transform-origin: left center;
  transition: transform 0.4s ease;
}

#score-value {
  font-weight: 700;
  color: var(--color-primary-dark);
}

#tips-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.6rem;
}

#tips-list li {
  padding-left: 1.2rem;
  position: relative;
  color: var(--color-muted);
}

#tips-list li::before {
  content: '•';
  color: var(--color-primary);
  position: absolute;
  left: 0;
  top: 0;
}

.steps article {
  position: relative;
}

.step-number {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 999px;
  background: rgba(72, 199, 116, 0.12);
  color: var(--color-primary-dark);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.testimonials blockquote {
  font-style: italic;
}

.testimonials figcaption {
  font-size: 0.95rem;
}

.download {
  padding-bottom: clamp(4rem, 10vw, 7rem);
}

.download-card {
  background: var(--color-card);
  border-radius: 28px;
  padding: clamp(2rem, 6vw, 3.5rem);
  box-shadow: var(--shadow-soft);
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.store-badges {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

.store-badges a {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.9rem 1.4rem;
  border-radius: 18px;
  border: 1px solid rgba(19, 42, 31, 0.08);
  background: linear-gradient(120deg, rgba(72, 199, 116, 0.12), rgba(107, 214, 255, 0.08));
  font-weight: 600;
}

.store-badges span {
  font-size: 1.5rem;
}

.footer {
  padding: 2rem clamp(1.5rem, 4vw, 5rem) 3rem;
  color: var(--color-muted);
  font-size: 0.9rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem 1.5rem;
}

.footer-copy {
  margin: 0;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer a {
  color: var(--color-muted);
}

.legal-main {
  padding: clamp(2rem, 6vw, 4rem) clamp(1.5rem, 6vw, 4rem) clamp(3rem, 8vw, 5rem);
  display: flex;
  justify-content: center;
}

.legal-page {
  background: var(--color-card);
  border-radius: 28px;
  box-shadow: var(--shadow-soft);
  padding: clamp(2rem, 5vw, 3.5rem);
  max-width: 920px;
  width: 100%;
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
}

.legal-page h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 2.6rem);
}

.legal-meta {
  color: var(--color-muted);
  font-size: 0.95rem;
  margin: 0;
}

.legal-section h2 {
  margin: 0 0 0.8rem;
  font-size: clamp(1.3rem, 3vw, 1.6rem);
}

.legal-section p {
  margin: 0.4rem 0 0;
  color: var(--color-muted);
  line-height: 1.65;
}

.legal-section ul {
  margin: 0.6rem 0 0;
  padding-left: 1.2rem;
  color: var(--color-muted);
  line-height: 1.65;
}

@media (max-width: 720px) {
  .nav {
    flex-direction: column;
    gap: 1rem;
  }

  .hero-actions {
    width: 100%;
  }

  .cta-primary,
  .cta-secondary {
    width: 100%;
  }

  .footer {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .footer-links {
    justify-content: center;
  }
}