:root {
  --bg: #030303;
  --bg-soft: #0b0d0d;
  --panel: rgba(255,255,255,0.05);
  --panel-strong: rgba(255,255,255,0.08);
  --text: #f7f7f7;
  --muted: #c9d2cf;
  --line: rgba(255,255,255,0.08);
  --green: #c6f36a;
  --cyan: #63e1d2;
  --shadow: 0 18px 45px rgba(0,0,0,0.35);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(99,225,210,0.08), transparent 30%),
    radial-gradient(circle at bottom right, rgba(198,243,106,0.08), transparent 30%),
    var(--bg);
  line-height: 1.55;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
.bg-grid {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(circle at center, black 35%, transparent 90%);
}
.container { width: min(1180px, calc(100% - 2rem)); margin: 0 auto; }
.section { padding: 92px 0; }
.section-dark {
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01));
}
.section-accent, .intro-band {
  background:
    radial-gradient(circle at top left, rgba(99,225,210,0.10), transparent 28%),
    radial-gradient(circle at bottom right, rgba(198,243,106,0.10), transparent 28%),
    var(--bg-soft);
}
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(3,3,3,0.84);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 12px 0;
}
.brand img { width: 220px; max-width: 100%; }
nav { display: flex; gap: 1.1rem; flex-wrap: wrap; }
nav a { color: var(--muted); font-weight: 600; }
nav a:hover { color: var(--green); }
.menu-toggle {
  display: none; border: 1px solid var(--line); background: rgba(255,255,255,0.04); color: #fff;
  border-radius: 12px; width: 46px; height: 46px; cursor: pointer;
}
.hero-grid, .split, .contact-grid {
  display: grid; gap: 2rem; align-items: center; grid-template-columns: 1.05fr .95fr;
}
.hero h1, h2, h3 { line-height: 1.05; margin: 0 0 1rem; }
.hero h1 { font-size: clamp(2.6rem, 6vw, 5.7rem); max-width: 8.5ch; }
.lead { font-size: 1.14rem; color: var(--muted); max-width: 60ch; }
.sublead { color: #e3e8e6; max-width: 58ch; }
.eyebrow {
  display: inline-block; color: var(--green); text-transform: uppercase; letter-spacing: 1.8px; font-size: .82rem; font-weight: 800; margin-bottom: 1rem;
}
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin: 1.8rem 0; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 0 1.35rem;
  border-radius: 999px; font-weight: 800; transition: .25s ease; border: 1px solid transparent;
}
.btn-primary { background: linear-gradient(135deg, var(--green), #e0ff9b); color: #121212; }
.btn-secondary { background: rgba(255,255,255,0.05); border-color: var(--line); }
.btn:hover { transform: translateY(-2px); }
.hero-points { list-style: none; padding: 0; margin: 1.2rem 0 0; display: grid; gap: .65rem; }
.hero-points li { color: var(--muted); }
.hero-points li::before { content: '•'; color: var(--green); margin-right: .6rem; }
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: 28px; overflow: hidden; box-shadow: var(--shadow);
}
.hero-card { min-height: 100%; }
.hero-card img, .result-card img, .image-card img { width: 100%; height: 100%; object-fit: cover; }
.hero-card img { min-height: 420px; }
.centered { text-align: center; }
.narrow { max-width: 860px; margin-inline: auto; }
.section-heading { margin-bottom: 2rem; }
.section-heading p { color: var(--muted); max-width: 74ch; }
.cards.three { display: grid; gap: 1.25rem; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.problem-card, .training-card { padding: 1.5rem; }
.problem-card p, .training-card p, .result-copy p { color: var(--muted); }
.problem-card ul, .training-card ul { margin: 0; padding-left: 1.1rem; color: var(--muted); }
.problem-card li, .training-card li { margin-bottom: .6rem; }
.pill {
  width: 42px; height: 42px; display: inline-flex; align-items: center; justify-content: center;
  border-radius: 50%; background: var(--green); color: #111; font-weight: 900;
}
.result-grid { display: grid; gap: 1.25rem; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.result-card img { aspect-ratio: 1 / 1; }
.result-copy { padding: 1.2rem; }
.benefits { display: grid; gap: 1rem; margin-top: 1.3rem; }
.benefit-item {
  padding: 1rem 1.1rem; border-radius: 18px; background: rgba(255,255,255,0.04); border: 1px solid var(--line);
}
.image-card.tall { min-height: 560px; }
.gallery { display: grid; gap: 1rem; grid-template-columns: repeat(5, minmax(0, 1fr)); }
.gallery-item {
  border: 0; padding: 0; background: transparent; cursor: pointer; overflow: hidden; border-radius: 22px; box-shadow: var(--shadow);
}
.gallery-item img {
  width: 100%; aspect-ratio: 1 / 1; object-fit: cover; transition: transform .35s ease;
}
.gallery-item:hover img { transform: scale(1.05); }
.contact-list { display: grid; gap: .85rem; margin-top: 1.2rem; }
.contact-list a {
  width: fit-content; padding: .75rem 1rem; border-radius: 999px; background: rgba(255,255,255,0.05); border: 1px solid var(--line);
}
.contact-form { padding: 1.4rem; display: grid; gap: 1rem; }
.contact-form label { display: grid; gap: .45rem; font-weight: 700; }
.contact-form input, .contact-form textarea {
  width: 100%; border: 1px solid rgba(255,255,255,0.12); background: rgba(255,255,255,0.04); color: var(--text);
  border-radius: 16px; padding: .95rem 1rem;
}
.site-footer { border-top: 1px solid var(--line); padding: 24px 0; }
.footer-wrap { text-align: center; color: var(--muted); }
.footer-wrap a { color: var(--green); }
.lightbox {
  position: fixed; inset: 0; display: none; align-items: center; justify-content: center; padding: 2rem; z-index: 100;
  background: rgba(0,0,0,0.92);
}
.lightbox.open { display: flex; }
.lightbox img { max-width: min(1100px, 100%); max-height: 88vh; border-radius: 24px; }
.lightbox-close {
  position: absolute; top: 20px; right: 20px; width: 48px; height: 48px; border: 0; border-radius: 50%;
  background: rgba(255,255,255,0.12); color: #fff; font-size: 2rem; cursor: pointer;
}
.floating-whatsapp {
  position: fixed; right: 18px; bottom: 18px; width: 58px; height: 58px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--green), #dffb93);
  color: #111; font-size: 1.6rem; box-shadow: var(--shadow); z-index: 55; font-weight: 900;
}
@media (max-width: 1024px) {
  .hero-grid, .split, .contact-grid, .cards.three, .result-grid { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .image-card.tall { min-height: auto; }
}
@media (max-width: 760px) {
  .section { padding: 72px 0; }
  .menu-toggle { display: inline-flex; align-items: center; justify-content: center; }
  nav {
    display: none; position: absolute; top: 100%; left: 0; right: 0; background: rgba(3,3,3,0.96); padding: 1rem;
    border-bottom: 1px solid var(--line); flex-direction: column;
  }
  nav.open { display: flex; }
  .nav { position: relative; }
  .hero h1 { max-width: 100%; }
  .brand img { width: 180px; }
  .gallery { grid-template-columns: 1fr; }
  .hero-card img { min-height: auto; }
}