:root {
  --cyan: #00b4b4;
  --cyan-bright: #5fd4d4;
  --blue: #0056b3;
  --navy: #002b5c;
  --bg: #f4f7fb;
  --surface: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --border: #e5eaf1;
  --footer: #07111c;
  --shadow: 0 12px 32px rgba(15, 23, 42, 0.08);
  --glow: 0 10px 28px rgba(0, 180, 180, 0.28);
  --grad: linear-gradient(135deg, #00a8b5 0%, #0056b3 100%);
  --grad-soft: linear-gradient(180deg, rgba(0, 180, 180, 0.08), rgba(0, 86, 179, 0.05));
}

html[data-theme="dark"] {
  --bg: #070b10;
  --surface: #101820;
  --text: #e8eef4;
  --muted: #8fa3b8;
  --border: rgba(0, 180, 180, 0.16);
  --shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Manrope, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}
img { max-width: 100%; }
a { color: inherit; }

.container { width: min(1120px, calc(100% - 2rem)); margin: 0 auto; }
.narrow { width: min(720px, calc(100% - 2rem)); }

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: 64px;
}
.logo { display: flex; align-items: center; gap: 0.65rem; text-decoration: none; }
.logo img { width: 32px; height: 32px; }
.wordmark { font-family: Sora, sans-serif; font-weight: 800; font-size: 1.15rem; }
.wordmark span:first-child { color: var(--cyan); }
.wordmark span:last-child { color: var(--blue); }
html[data-theme="dark"] .wordmark span:last-child { color: #9ec0ff; }

.nav-links { display: flex; gap: 0.2rem; }
.nav-links a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.45rem 0.7rem;
  border-radius: 0.5rem;
}
.nav-links a:hover { color: var(--cyan); background: rgba(0, 180, 180, 0.1); }
.nav-actions { display: flex; align-items: center; gap: 0.5rem; }
.theme-btn, .menu-btn {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  width: 38px;
  height: 38px;
  border-radius: 0.6rem;
  cursor: pointer;
}
.menu-btn { display: none; }
.nav-cta, .nav-portal {
  display: inline-flex;
  white-space: nowrap;
  padding: 0.4rem 0.75rem;
  font-size: 0.8rem;
  border-radius: 0.55rem;
  box-shadow: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  text-decoration: none;
  border: 0;
  cursor: pointer;
  border-radius: 0.75rem;
  font-weight: 700;
  padding: 0.65rem 1rem;
  font-family: inherit;
}
.btn-lg { padding: 0.85rem 1.2rem; }
.btn-primary { background: var(--grad); color: #fff; box-shadow: var(--glow); }
.btn-primary:hover { opacity: 0.92; }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-ghost:hover { border-color: var(--cyan); color: var(--cyan); }

.hero { position: relative; overflow: hidden; padding: 4.5rem 0 5rem; }
.hero-glow {
  position: absolute;
  left: 50%;
  top: -6rem;
  width: 560px;
  height: 280px;
  transform: translateX(-50%);
  background: var(--grad);
  opacity: 0.18;
  filter: blur(64px);
}
.hero-grid { position: relative; display: grid; gap: 3rem; align-items: center; }
@media (min-width: 960px) { .hero-grid { grid-template-columns: 1.1fr 0.9fr; } }
.badge {
  display: inline-flex;
  border: 1px solid rgba(0, 180, 180, 0.3);
  background: var(--grad-soft);
  color: var(--navy);
  border-radius: 999px;
  padding: 0.35rem 0.85rem;
  font-size: 0.85rem;
  font-weight: 700;
}
html[data-theme="dark"] .badge { color: var(--cyan-bright); }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.hero-copy {
  position: relative;
  max-width: 38rem;
  padding-left: 1.15rem;
}
.hero-copy::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.15rem;
  bottom: 0.15rem;
  width: 3px;
  border-radius: 99px;
  background: var(--grad);
}
.lead {
  margin: 0;
  color: var(--text);
  font-size: clamp(1.14rem, 2.1vw, 1.35rem);
  line-height: 1.55;
  font-weight: 600;
}
.lead-brand {
  font-family: Sora, sans-serif;
  font-size: 1.06em;
  font-weight: 800;
}
.lead-brand span:first-child { color: var(--cyan); }
.lead-brand span:last-child { color: var(--blue); }
html[data-theme="dark"] .lead-brand span:last-child { color: #9ec0ff; }
.lead strong {
  color: var(--navy);
  font-weight: 800;
}
html[data-theme="dark"] .lead strong { color: var(--cyan-bright); }
.lead-cta {
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 1.04rem;
  line-height: 1.55;
}
.lead-cta em {
  font-style: normal;
  font-weight: 800;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.5rem; }

.hero-mock { display: grid; gap: 0.85rem; position: relative; }
.layout-sheet {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1.4rem;
  padding: 1.15rem;
  box-shadow: var(--shadow);
}
.layout-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}
.layout-brand { display: flex; align-items: center; gap: 0.65rem; }
.layout-mark { width: 28px; height: 28px; flex-shrink: 0; }
.layout-brand strong { display: block; font-size: 0.82rem; }
.layout-brand small { display: block; color: var(--muted); font-size: 0.7rem; }
.layout-badge {
  background: var(--grad);
  color: #fff;
  border-radius: 0.4rem;
  font-size: 0.65rem;
  font-weight: 800;
  padding: 0.2rem 0.45rem;
}
.layout-stage {
  position: relative;
  height: 292px;
  margin: 0.9rem 0;
}
.layout-model {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  z-index: 0;
  transition: opacity 0.45s ease, visibility 0.45s ease;
}
.layout-model.is-active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  z-index: 1;
}
.layout-grid {
  display: grid;
  gap: 0.55rem;
  height: 100%;
}
.grid-4 { grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr; }
.layout-frame {
  position: relative;
  overflow: hidden;
  border-radius: 0.65rem;
  background: #111418;
  min-height: 0;
}
.layout-frame img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
}
.layout-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  border-top: 1px solid var(--border);
  padding-top: 0.75rem;
}
.layout-foot p {
  margin: 0;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--muted);
}
.layout-dots { display: flex; gap: 0.35rem; }
.layout-dots button {
  width: 7px;
  height: 7px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: color-mix(in srgb, var(--muted) 45%, transparent);
  cursor: pointer;
}
.layout-dots button.is-active { background: var(--cyan); }
.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.chips span {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 999px;
  padding: 0.35rem 0.7rem;
  font-size: 0.8rem;
  font-weight: 700;
}

.section { padding: 5rem 0; scroll-margin-top: 6rem; }
.section-soft { background: var(--grad-soft); border-block: 1px solid var(--border); }
.section-head { text-align: center; max-width: 40rem; margin: 0 auto 2.8rem; }
.eyebrow {
  color: var(--cyan);
  font-family: Sora, sans-serif;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin: 0;
}
h2 { font-family: Sora, sans-serif; font-size: clamp(1.8rem, 3vw, 2.4rem); margin: 0.6rem 0; }
.section-head p:last-child { color: var(--muted); }

.product-grid, .benefit-grid { display: grid; gap: 1.2rem; }
.product-cta {
  display: flex;
  justify-content: center;
  margin-top: 1.75rem;
}
@media (min-width: 860px) {
  .product-grid { grid-template-columns: 1fr 1fr; }
  .benefit-grid { grid-template-columns: repeat(3, 1fr); }
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1.3rem;
  padding: 1.6rem;
  box-shadow: var(--shadow);
}
.card-featured { position: relative; }
.card-sm { transition: transform 0.2s ease, border-color 0.2s ease; }
.card-sm:hover { transform: translateY(-4px); border-color: rgba(0, 180, 180, 0.4); }
.icon-box {
  width: 48px;
  height: 48px;
  border-radius: 1rem;
  display: grid;
  place-items: center;
  background: var(--grad-soft);
  color: var(--cyan);
  font-size: 1.3rem;
}
.tagline { color: var(--cyan); font-weight: 700; margin: 0.2rem 0 0.6rem; }
.card ul { padding: 0; margin: 1.2rem 0 1.4rem; list-style: none; display: grid; gap: 0.55rem; }
.card li { padding-left: 1.5rem; position: relative; }
.card li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--cyan);
  font-weight: 800;
}
.ribbon {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--grad);
  color: #fff;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 0.25rem 0.65rem;
}

.steps { display: grid; gap: 1.5rem; }
@media (min-width: 860px) { .steps { grid-template-columns: repeat(3, 1fr); } }
.steps article { text-align: center; }
.step-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 1rem;
  border-radius: 1.1rem;
  border: 1px solid var(--border);
  background: var(--surface);
  display: grid;
  place-items: center;
  position: relative;
  box-shadow: var(--shadow);
}
.step-icon span {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--grad);
  color: #fff;
  font-size: 1.05rem;
  font-weight: 800;
  display: grid;
  place-items: center;
}

.form { display: grid; gap: 0.9rem; position: relative; }
.form label { display: grid; gap: 0.35rem; font-size: 0.9rem; font-weight: 700; }
.form input, .form select, .form textarea {
  width: 100%;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  border-radius: 0.7rem;
  padding: 0.75rem 0.85rem;
  font: inherit;
}
.form input.is-invalid,
.form select.is-invalid,
.form textarea.is-invalid {
  border-color: #dc3545;
  box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.16);
  background: rgba(220, 53, 69, 0.04);
}
.hp-field {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.form-note, .form-status { color: var(--muted); font-size: 0.85rem; font-weight: 500; }
.form-status.ok { color: #198754; }
.form-status.err { color: #dc3545; }

.footer { background: var(--footer); color: #d7e3ee; }
.footer-line { height: 4px; background: var(--grad); }
.footer-grid { display: grid; gap: 2rem; padding: 3rem 0; }
@media (min-width: 860px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr; } }
.footer img { height: 64px; width: auto; }
.footer p { color: #9fb1c2; max-width: 22rem; }
.slogan { color: var(--cyan-bright); font-size: 0.75rem; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; }
.footer h3 { font-size: 0.8rem; letter-spacing: 0.12em; text-transform: uppercase; }
.footer a { display: block; color: #9fb1c2; text-decoration: none; margin: 0.4rem 0; }
.footer a:hover { color: var(--cyan-bright); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); }
.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 1rem 0;
  font-size: 0.8rem;
  color: #8ea0b2;
}
.footer-bottom a { display: inline; color: var(--cyan-bright); }

.whatsapp {
  position: fixed;
  right: 1.2rem;
  bottom: 1.2rem;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  display: grid;
  place-items: center;
  z-index: 70;
  box-shadow: 0 10px 24px rgba(37, 211, 102, 0.4);
}
.whatsapp svg { width: 30px; height: 30px; }

@media (max-width: 860px) {
  .menu-btn { display: inline-flex; align-items: center; justify-content: center; }
  .nav-cta { display: none; }
  .nav-links {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 92px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 0.75rem 1rem 1rem;
    flex-direction: column;
  }
  .nav-links.open { display: flex; }
}
