:root {
  --bg: #050816;
  --bg-soft: #0b1020;
  --card: #111827;
  --accent: #22c55e;
  --accent-soft: rgba(34, 197, 94, 0.1);
  --text-main: #f9fafb;
  --text-muted: #9ca3af;
  --border-subtle: #1f2937;
  --error: #f97373;
  --font-main: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

body {
  margin: 0;
  font-family: var(--font-main);
  background: radial-gradient(circle at top, #111827 0, #020617 50%, #000 100%);
  color: var(--text-main);
}

/* HEADER */

.top-bar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.8rem 5vw;
  background: rgba(5, 8, 22, 0.9);
  border-bottom: 1px solid var(--border-subtle);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--text-main);
}

.logo img {
  height: 34px;
  width: auto;
  display: block;
}

.brand-text {
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.9rem;
}

.nav-links {
  display: flex;
  gap: 1.4rem;
  font-size: 0.95rem;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: var(--accent);
}

/* LAYOUT */

main {
  max-width: 1150px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
}

section {
  margin-bottom: 3.5rem;
}

h1,
h2,
h3 {
  margin: 0 0 0.75rem;
}

/* HERO */

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 2rem;
  align-items: stretch;
  margin-top: 1.5rem;
}

.hero-text h1 {
  font-size: clamp(2.1rem, 3vw, 2.8rem);
  line-height: 1.1;
  margin-bottom: 1rem;
}

.hero-text p {
  color: var(--text-muted);
  max-width: 32rem;
  margin-bottom: 1rem;
}

.hero-bullets {
  list-style: none;
  padding: 0;
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.hero-bullets li::before {
  content: "• ";
  color: var(--accent);
}

/* CARDS & GENERIC */

.card {
  background: radial-gradient(circle at top left, #1f2937 0, #020617 55%);
  border-radius: 1rem;
  padding: 1.25rem 1.4rem;
  border: 1px solid var(--border-subtle);
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.7);
}

textarea,
input,
select {
  width: 100%;
  border-radius: 0.75rem;
  border: 1px solid var(--border-subtle);
  background: #020617;
  color: var(--text-main);
  padding: 0.6rem 0.7rem;
  font-family: inherit;
  font-size: 0.95rem;
  resize: vertical;
}

textarea::placeholder,
input::placeholder {
  color: #6b7280;
}

button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.1rem;
  border-radius: 999px;
  border: none;
  background: linear-gradient(135deg, #22c55e, #16a34a);
  color: #020617;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: transform 0.1s ease, box-shadow 0.1s ease, filter 0.15s;
  box-shadow: 0 10px 25px rgba(34, 197, 94, 0.35);
}

button:hover {
  filter: brightness(1.05);
  transform: translateY(-1px);
}

button:active {
  transform: translateY(1px);
  box-shadow: 0 4px 15px rgba(34, 197, 94, 0.2);
}

.hidden {
  display: none;
}

/* BENEFITS */

.benefits {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

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

/* PACKAGES */

.packages h2,
.services h2,
.contact h2 {
  font-size: 1.6rem;
}

.section-subtitle {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.package-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.2rem;
}

.package-card {
  background: radial-gradient(circle at top, #111827 0, #020617 60%);
  border-radius: 1.1rem;
  padding: 1.4rem 1.3rem 1.3rem;
  border: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.package-card h3 {
  font-size: 1.1rem;
}

.package-card .price {
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 0.6rem;
}

.package-card ul {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.package-card ul li::before {
  content: "✓ ";
  color: var(--accent);
}

/* SERVICES */

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

.service-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* CONTACT */

.contact-form {
  max-width: 720px;
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.9rem;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.form-message {
  font-size: 0.85rem;
  color: var(--accent);
  min-height: 1.2rem;
}

.contact-extra {
  margin-top: 1rem;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.whatsapp-link {
  display: inline-flex;
  align-items: center;
  margin-top: 0.4rem;
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--accent);
  color: var(--accent);
  text-decoration: none;
  font-size: 0.9rem;
}

.whatsapp-link:hover {
  background: var(--accent-soft);
}

/* FOOTER */

.footer {
  border-top: 1px solid var(--border-subtle);
  padding: 1.2rem 1.5rem 2rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* RESPONSIVE */

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
  }
  .benefits {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .package-grid {
    grid-template-columns: 1fr;
  }
  .service-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .form-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .nav-links {
    display: none;
  }
  main {
    padding-inline: 1.1rem;
  }
  .benefits,
  .service-grid {
    grid-template-columns: 1fr;
  }
}