/* Nexo Local — piloto estático */

:root {
  --bg: #f5f7f5;
  --bg-alt: #eef2ef;
  --surface: #ffffff;
  --text: #1a1f1c;
  --text-muted: #4a554e;
  --accent: #1a4d3e;
  --accent-hover: #143d32;
  --accent-soft: #d6e8df;
  --border: #d0d8d2;
  --wa: #128c7e;
  --wa-hover: #0e7368;
  --radius: 10px;
  --shadow: 0 2px 12px rgba(26, 31, 28, 0.06);
  --font: "DM Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --max: 1100px;
  --header-h: 64px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  font-weight: 400;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

body.nav-open {
  overflow: hidden;
}

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

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

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

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.container {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(245, 247, 245, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  height: var(--header-h);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 1rem;
}

.logo {
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.logo:hover {
  color: var(--accent);
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--text);
  border-radius: 1px;
  transition: transform 0.2s, opacity 0.2s;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav {
  display: none;
  position: fixed;
  inset: var(--header-h) 0 0 0;
  background: var(--bg);
  padding: 1.5rem;
}

.nav.is-open {
  display: block;
}

.nav ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.nav a {
  display: block;
  padding: 0.85rem 1rem;
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  border-radius: 8px;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.btn-primary,
.btn-wa {
  background: var(--wa);
  color: #fff;
  border-color: var(--wa);
}

.btn-primary:hover,
.btn-wa:hover {
  background: var(--wa-hover);
  border-color: var(--wa-hover);
  color: #fff;
}

.btn-secondary {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent);
}

.btn-secondary:hover {
  background: var(--accent-soft);
  color: var(--accent-hover);
}

.btn-ghost {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

/* Hero */
.hero {
  padding: 3rem 0 3.5rem;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  margin-bottom: 1rem;
}

.hero h1 {
  font-size: clamp(1.75rem, 5vw, 2.65rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
  color: var(--text);
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 36rem;
}

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

.hero-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.5rem;
  box-shadow: var(--shadow);
  width: 100%;
  max-width: 320px;
}

.hero-card-bar {
  height: 8px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--accent), var(--accent-soft));
  margin-bottom: 1.25rem;
}

.hero-card-line {
  height: 10px;
  border-radius: 4px;
  background: var(--bg-alt);
  margin-bottom: 0.65rem;
}

.hero-card-line.short {
  width: 60%;
}

.hero-card-wa {
  margin-top: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.7rem 1rem;
  background: var(--accent);
  color: #fff;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
}

.hero-card-wa svg {
  flex-shrink: 0;
}

/* Sections */
.section {
  padding: 3.5rem 0;
}

.section-alt {
  background: var(--bg-alt);
}

.section-head {
  margin-bottom: 2rem;
  max-width: 36rem;
}

.section-head h2 {
  font-size: clamp(1.4rem, 3vw, 1.85rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.section-head p {
  color: var(--text-muted);
}

/* Cards grid */
.cards {
  display: grid;
  gap: 1.25rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.card-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--accent-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.card-price {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  font-weight: 600;
  color: var(--accent);
  font-size: 0.95rem;
}

.packs-note {
  margin-top: 1.25rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Steps */
.steps {
  list-style: none;
  display: grid;
  gap: 1rem;
  counter-reset: step;
}

.steps li {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  counter-increment: step;
}

.steps li::before {
  content: counter(step);
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.steps strong {
  display: block;
  margin-bottom: 0.15rem;
}

.steps span {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Contact */
.contact-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem 1.5rem;
  text-align: center;
  box-shadow: var(--shadow);
  max-width: 520px;
  margin-inline: auto;
}

.contact-box p {
  color: var(--text-muted);
  margin: 1rem 0 1.5rem;
}

.contact-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: center;
}

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

.mp-link:hover {
  color: var(--accent);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 0;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Desktop */
@media (min-width: 768px) {
  .nav-toggle {
    display: none;
  }

  .nav {
    display: block;
    position: static;
    background: transparent;
    padding: 0;
  }

  .nav ul {
    flex-direction: row;
    gap: 0.15rem;
  }

  .nav a {
    padding: 0.45rem 0.75rem;
    font-size: 0.95rem;
  }

  .hero {
    padding: 4.5rem 0 5rem;
  }

  .hero-grid {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 3rem;
  }

  .cards {
    grid-template-columns: repeat(3, 1fr);
  }

  .steps {
    grid-template-columns: 1fr 1fr;
  }

  .contact-actions {
    flex-direction: row;
    justify-content: center;
  }

  .section {
    padding: 4.5rem 0;
  }
}

@media (min-width: 1024px) {
  .steps {
    grid-template-columns: repeat(4, 1fr);
  }

  .steps li {
    flex-direction: column;
    align-items: flex-start;
  }
}