:root {
  --background: #eef6ff;
  --surface: rgba(255, 255, 255, 0.96);
  --surface-strong: rgba(255, 255, 255, 0.99);
  --border: rgba(31, 123, 255, 0.14);
  --text: #11203a;
  --muted: #59697f;
  --primary: #1f7bff;
  --primary-soft: #d7e7ff;
  --success: #25d366;
  --shadow: 0 28px 70px rgba(31, 123, 255, 0.12);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  background: radial-gradient(circle at top, #e8f1ff 0%, var(--background) 40%, #f7fbff 100%);
  color: var(--text);
  line-height: 1.75;
}

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

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

button,
input,
textarea {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 8%;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(31, 123, 255, 0.12);
  z-index: 999;
}

.brand {
  font-size: 1.55rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.brand span {
  color: var(--primary);
}

.main-nav {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
}

.main-nav a {
  color: var(--muted);
  font-weight: 600;
  transition: color 0.25s ease, transform 0.25s ease;
}

.main-nav a:hover {
  color: var(--primary);
  transform: translateY(-1px);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 24px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  font-weight: 700;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #2f95ff);
  color: #fff;
  box-shadow: 0 18px 38px rgba(31, 123, 255, 0.2);
}

.btn-secondary {
  background: #f3f8ff;
  color: var(--text);
}

.btn-whatsapp {
  background: var(--success);
  color: white;
}

.hero-section {
  display: grid;
  grid-template-columns: minmax(320px, 1.3fr) minmax(300px, 0.9fr);
  gap: 42px;
  align-items: center;
  padding: 86px 8% 72px;
  min-height: calc(100vh - 112px);
}

.hero-copy .eyebrow,
.section-header .eyebrow {
  display: inline-block;
  margin-bottom: 16px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--primary);
  font-size: 0.78rem;
}

.hero-copy h1 {
  font-size: clamp(3rem, 5vw, 4.5rem);
  line-height: 1.02;
  max-width: 680px;
}

.hero-copy p {
  max-width: 640px;
  margin: 30px 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-card {
  position: relative;
  width: 100%;
  min-width: 280px;
  padding: 42px 36px;
  border-radius: 38px;
  background: var(--surface);
  border: 1px solid rgba(31, 123, 255, 0.12);
  box-shadow: var(--shadow);
}

.hero-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(145deg, rgba(255,255,255,0.64), transparent 65%);
  pointer-events: none;
}

.badge {
  display: inline-flex;
  padding: 12px 22px;
  border-radius: 999px;
  background: rgba(31, 123, 255, 0.14);
  color: var(--primary);
  font-weight: 700;
  margin-bottom: 26px;
}

.hero-card h2 {
  font-size: 2rem;
  margin-bottom: 18px;
}

.hero-card p {
  color: var(--muted);
  margin-bottom: 28px;
}

.price {
  font-size: 2.9rem;
  font-weight: 800;
  margin-bottom: 30px;
}

.products-section,
.feature-section,
.contact-section {
  padding: 60px 8%;
}

.section-header {
  text-align: center;
  margin-bottom: 52px;
}

.section-header h2 {
  font-size: 2.45rem;
  line-height: 1.08;
  margin-top: 18px;
}

.section-header p {
  max-width: 720px;
  margin: 20px auto 0;
  color: var(--muted);
  font-size: 1rem;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(250px, 1fr));
  gap: 28px;
}

.product-card {
  position: relative;
  padding: 34px;
  border-radius: 30px;
  background: var(--surface);
  border: 1px solid rgba(31, 123, 255, 0.1);
  box-shadow: 0 20px 50px rgba(31, 123, 255, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 26px 60px rgba(31, 123, 255, 0.12);
}

.product-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(180deg, rgba(255,255,255,0.62), transparent 58%);
  pointer-events: none;
}

.product-icon {
  width: 64px;
  height: 64px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  background: rgba(31, 123, 255, 0.1);
  font-size: 1.8rem;
  margin-bottom: 24px;
}

.product-card h3 {
  font-size: 1.45rem;
  margin-bottom: 14px;
}

.product-card p {
  margin-bottom: 24px;
  color: var(--muted);
}

.product-price {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 22px;
}

.feature-section {
  display: grid;
  grid-template-columns: repeat(3, minmax(240px, 1fr));
  gap: 24px;
}

.feature-column {
  padding: 34px;
  border-radius: 28px;
  background: var(--surface);
  border: 1px solid rgba(31, 123, 255, 0.1);
  box-shadow: var(--shadow);
}

.feature-column h3 {
  margin-bottom: 18px;
}

.feature-column p {
  color: var(--muted);
}

.contact-section {
  display: grid;
  grid-template-columns: 1.15fr 0.95fr;
  gap: 40px;
  align-items: stretch;
}

.contact-copy h2 {
  font-size: 2.25rem;
  margin-bottom: 18px;
}

.contact-copy p {
  color: var(--muted);
  max-width: 560px;
}

.contact-form {
  display: grid;
  gap: 18px;
  padding: 34px;
  border-radius: 28px;
  background: var(--surface-strong);
  border: 1px solid rgba(31, 123, 255, 0.1);
  box-shadow: var(--shadow);
}

.contact-form label {
  font-weight: 600;
  color: var(--text);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 16px 18px;
  border-radius: 18px;
  border: 1px solid rgba(31, 123, 255, 0.14);
  background: #f7fbff;
  outline: none;
  color: var(--text);
}

.contact-form textarea {
  resize: none;
}

.contact-form button {
  align-self: start;
  border-radius: 999px;
}

.site-footer {
  padding: 34px 8%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  color: var(--muted);
}

.footer-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.footer-links a {
  font-weight: 600;
  color: var(--muted);
}

@media (max-width: 1100px) {
  .hero-section,
  .contact-section,
  .feature-section,
  .product-grid {
    grid-template-columns: 1fr;
  }

  .product-grid,
  .feature-section,
  .contact-section {
    gap: 28px;
  }
}

@media (max-width: 768px) {
  .site-header {
    flex-direction: column;
    align-items: stretch;
    padding: 18px 6%;
  }

  .main-nav {
    justify-content: space-between;
    gap: 14px;
  }

  .hero-section {
    padding: 64px 6% 48px;
  }

  .hero-card {
    order: -1;
    padding: 32px;
  }

  .hero-copy h1 {
    font-size: 2.9rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn,
  .hero-actions .btn {
    width: 100%;
  }

  .section-header h2 {
    font-size: 2rem;
  }

  .product-price {
    font-size: 1.85rem;
  }

  .product-card {
    padding: 28px;
  }

  .contact-section {
    padding: 38px 6%;
  }
}

@media (max-width: 560px) {
  .site-header {
    padding: 16px 5%;
  }

  .main-nav {
    gap: 12px;
    justify-content: center;
  }

  .hero-copy h1 {
    font-size: 2.2rem;
  }

  .hero-copy p,
  .section-header p,
  .feature-column p,
  .contact-copy p {
    font-size: 0.98rem;
  }

  .contact-form {
    padding: 26px;
  }

  .product-card {
    padding: 22px;
  }

  .site-footer {
    padding: 26px 5%;
  }
}