.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .6rem;
  min-height: 48px;
  padding: .78rem 1.2rem;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  font-weight: 800;
  letter-spacing: .015em;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition), background var(--transition-fast), border-color var(--transition-fast);
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { color: #03131c; background: linear-gradient(135deg, #5ce7ff, #52f1c7); box-shadow: 0 12px 34px rgba(53,215,255,.22); }
.btn-primary:hover { box-shadow: 0 18px 44px rgba(53,215,255,.3); }
.btn-secondary { color: var(--color-white); background: rgba(255,255,255,.07); border-color: rgba(255,255,255,.2); backdrop-filter: blur(12px); }
.btn-secondary--light { color: var(--color-ink); background: white; border-color: var(--color-line); box-shadow: var(--shadow-sm); }
.btn-link { padding-inline: .3rem; min-height: auto; color: #087f8e; background: transparent; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  min-height: var(--header-height);
  background: rgba(239,245,249,.9);
  border-bottom: 1px solid rgba(17,48,72,.08);
  backdrop-filter: blur(18px) saturate(140%);
}
.site-header__inner { min-height: var(--header-height); display: flex; align-items: center; gap: 1.25rem; }
.brand { display: inline-flex; align-items: center; gap: .65rem; flex: 0 0 auto; }
.brand img { width: 50px; height: 50px; object-fit: contain; filter: drop-shadow(0 8px 16px rgba(7,19,31,.12)); }
.brand__text { color: var(--color-ink); font-size: .92rem; font-weight: 900; letter-spacing: .055em; white-space: nowrap; }
.desktop-nav { margin-left: auto; display: flex; align-items: center; gap: clamp(.65rem, 1.3vw, 1.3rem); }
.desktop-nav a { color: #344f64; font-size: .88rem; font-weight: 700; transition: color var(--transition-fast); }
.desktop-nav a:hover { color: #087f8e; }
.site-header__cta { flex: 0 0 auto; }
.menu-toggle { display: none; width: 46px; height: 46px; padding: 11px; border: 1px solid var(--color-line); border-radius: var(--radius-md); background: white; cursor: pointer; }
.menu-toggle span { display: block; height: 2px; margin: 5px 0; border-radius: 9px; background: var(--color-ink); }
.mobile-nav { padding: 1rem max(1rem, calc((100vw - 1180px)/2)); border-top: 1px solid var(--color-line); background: rgba(239,245,249,.98); }
.mobile-nav a:not(.btn) { display: block; padding: .78rem .2rem; font-weight: 750; border-bottom: 1px solid rgba(17,48,72,.07); }
.mobile-nav .btn { width: 100%; margin-top: 1rem; }

.surface { background: rgba(255,255,255,.88); border: 1px solid rgba(17,48,72,.09); border-radius: var(--radius-card); box-shadow: var(--shadow-sm); }
.card { position: relative; padding: clamp(1.25rem, 2.4vw, 2rem); overflow: hidden; }
.card::after { content: ""; position: absolute; inset: auto -3rem -4rem auto; width: 9rem; height: 9rem; border-radius: 50%; background: radial-gradient(circle, rgba(53,215,255,.13), transparent 68%); pointer-events: none; }
.card h3 { margin-bottom: .55rem; }
.card p:last-child { margin-bottom: 0; }
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }

.badge { display: inline-flex; align-items: center; gap: .35rem; padding: .42rem .7rem; border-radius: var(--radius-pill); font-size: .75rem; font-weight: 850; letter-spacing: .02em; }
.badge--available { color: #075f52; background: #d9fbef; }
.badge--soon { color: #795006; background: #fff2cd; }
.badge--preparing { color: #5b3a85; background: #f0e7ff; }
.badge--neutral { color: #3d5467; background: #edf4f8; }

.hero-actions, .cta-row { display: flex; flex-wrap: wrap; gap: .8rem; align-items: center; }
.chip-list { display: flex; flex-wrap: wrap; gap: .55rem; padding: 0; list-style: none; }
.chip { padding: .46rem .7rem; border-radius: var(--radius-pill); color: #36566d; background: rgba(231,243,249,.9); border: 1px solid rgba(17,48,72,.08); font-size: .82rem; font-weight: 700; }

.mockup { position: relative; padding: .6rem; border: 1px solid rgba(255,255,255,.18); border-radius: 1.25rem; background: linear-gradient(155deg, rgba(255,255,255,.15), rgba(255,255,255,.03)); box-shadow: 0 30px 80px rgba(0,0,0,.26), inset 0 1px 0 rgba(255,255,255,.16); }
.mockup::before { content: ""; display: block; width: 34%; height: 4px; margin: .15rem auto .6rem; border-radius: var(--radius-pill); background: rgba(255,255,255,.16); }
.mockup img { width: 100%; border-radius: .8rem; background: #fff; }
.mockup--light { background: #dfeaf1; border-color: rgba(17,48,72,.13); box-shadow: var(--shadow-card); }

.site-footer { padding: 4rem 0 1.5rem; color: rgba(255,255,255,.74); background: #06111d; }
.site-footer__grid { display: grid; grid-template-columns: 1.5fr .8fr .8fr; gap: 2.5rem; }
.site-footer h2 { margin-bottom: 1rem; color: white; font-size: 1rem; letter-spacing: 0; }
.site-footer nav a { display: block; margin: .58rem 0; font-size: .92rem; transition: color var(--transition-fast); }
.site-footer nav a:hover { color: var(--color-cyan); }
.brand--footer .brand__text { color: white; }
.site-footer__brand p { max-width: 30rem; }
.site-footer__domain { color: white; font-weight: 800; }
.site-footer__bottom { margin-top: 2.5rem; padding-top: 1.2rem; border-top: 1px solid rgba(255,255,255,.1); font-size: .82rem; }

.whatsapp-float { position: fixed; z-index: 900; right: 1.2rem; bottom: 1.2rem; display: flex; align-items: center; gap: .65rem; padding: .58rem .85rem .58rem .58rem; border-radius: var(--radius-pill); color: #073729; background: #d8fff1; border: 1px solid rgba(8,127,109,.16); box-shadow: 0 16px 45px rgba(7,19,31,.2); transition: transform var(--transition-fast), box-shadow var(--transition); }
.whatsapp-float:hover { transform: translateY(-3px); box-shadow: 0 22px 55px rgba(7,19,31,.26); }
.whatsapp-float__icon { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; color: white; background: #16a36f; font-size: .72rem; font-weight: 900; }
.whatsapp-float__label { font-size: .78rem; font-weight: 900; letter-spacing: .02em; }
.whatsapp-float__number { position: absolute; width: 1px; height: 1px; overflow: hidden; opacity: 0; }

.flow { display: flex; align-items: center; gap: .6rem; overflow-x: auto; padding: .5rem 0 1rem; scrollbar-width: thin; }
.flow__node { flex: 0 0 auto; min-width: 120px; padding: .8rem 1rem; text-align: center; border-radius: var(--radius-pill); background: white; border: 1px solid var(--color-line); box-shadow: var(--shadow-sm); font-size: .84rem; font-weight: 800; }
.flow__arrow { flex: 0 0 auto; color: #55a5b6; font-weight: 900; }

.faq-list { display: grid; gap: .75rem; }
.faq-item { overflow: hidden; border: 1px solid var(--color-line); border-radius: var(--radius-md); background: rgba(255,255,255,.9); }
.faq-button { width: 100%; padding: 1rem 1.2rem; display: flex; justify-content: space-between; gap: 1rem; align-items: center; text-align: left; border: 0; background: transparent; cursor: pointer; font-weight: 800; }
.faq-button::after { content: "+"; flex: 0 0 auto; color: #087f8e; font-size: 1.35rem; }
.faq-button[aria-expanded="true"]::after { content: "−"; }
.faq-panel { padding: 0 1.2rem 1.1rem; color: var(--color-muted); }

.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.gallery-card { display: block; width: 100%; padding: 0; overflow: hidden; text-align: left; border: 1px solid var(--color-line); border-radius: var(--radius-card); background: white; box-shadow: var(--shadow-sm); cursor: zoom-in; }
.gallery-card img { aspect-ratio: 16/10; width: 100%; object-fit: cover; object-position: top center; }
.gallery-card__meta { display: block; padding: .85rem 1rem 1rem; }
.gallery-card__title { display: block; color: var(--color-ink); font-weight: 850; }
.gallery-card__hint { display: block; margin-top: .15rem; color: var(--color-muted); font-size: .78rem; }
.lightbox { position: fixed; z-index: 2000; inset: 0; display: grid; place-items: center; padding: 1rem; background: rgba(2,9,15,.84); backdrop-filter: blur(12px); }
.lightbox__dialog { position: relative; width: min(1200px, 96vw); max-height: 92vh; overflow: auto; padding: 1rem; border-radius: var(--radius-card); background: #0d1d2a; box-shadow: 0 30px 100px rgba(0,0,0,.55); }
.lightbox__dialog img { width: 100%; border-radius: var(--radius-md); }
.lightbox__close { position: sticky; z-index: 2; top: 0; float: right; margin: 0 0 .6rem .6rem; width: 42px; height: 42px; border: 1px solid rgba(255,255,255,.16); border-radius: 50%; color: white; background: rgba(0,0,0,.45); cursor: pointer; }

/* v1.0.1 visual refinements */
.btn-primary {
  color: #03131c;
  text-shadow: none;
}
.btn-secondary {
  color: #f7fbff;
  background: linear-gradient(180deg, rgba(255,255,255,.12), rgba(255,255,255,.06));
  border-color: rgba(255,255,255,.24);
}
.btn-secondary:hover {
  color: #ffffff;
  background: linear-gradient(180deg, rgba(255,255,255,.16), rgba(255,255,255,.08));
}
.btn-secondary--light {
  color: #0b2237;
  background: linear-gradient(180deg, #ffffff, #f3fbff);
  border-color: rgba(17,48,72,.12);
  box-shadow: 0 10px 26px rgba(7,19,31,.08);
}
.btn-secondary--strong {
  color: #ffffff;
  background: linear-gradient(180deg, rgba(255,255,255,.14), rgba(255,255,255,.07));
  border-color: rgba(255,255,255,.24);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.12);
}
.surface {
  background: linear-gradient(180deg, rgba(255,255,255,.96), rgba(250,253,255,.92));
  border: 1px solid rgba(17,48,72,.08);
  box-shadow: 0 20px 50px rgba(15,37,54,.08);
}
.card {
  border-radius: calc(var(--radius-card) + 2px);
}
.integration-pill {
  display: grid;
  place-items: center;
  min-height: 112px;
  padding: 1rem;
  border-radius: calc(var(--radius-md) + 4px);
  background: linear-gradient(180deg, rgba(255,255,255,.95), rgba(245,251,255,.92));
  border: 1px solid rgba(17,48,72,.08);
  box-shadow: 0 14px 34px rgba(15,37,54,.06);
  color: #173149;
}
.site-footer__contact {
  display: inline-flex;
  align-items: center;
  margin-top: .8rem;
  padding: .6rem .85rem;
  border-radius: var(--radius-pill);
  color: #d6f7ff;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
}
.site-footer__contact:hover {
  color: #ffffff;
}
.whatsapp-float {
  gap: .75rem;
  padding: .6rem .95rem .6rem .6rem;
  color: #093126;
  background: linear-gradient(180deg, #e8fff6, #cff9e8);
  border-color: rgba(22,163,111,.18);
}
.whatsapp-float__icon {
  width: 44px;
  height: 44px;
  background: #25D366;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.26), 0 10px 18px rgba(37,211,102,.28);
}
.whatsapp-float__icon img {
  width: 24px;
  height: 24px;
  display: block;
}
.whatsapp-float__label {
  font-size: .8rem;
  font-weight: 900;
  color: #123127;
}