/* Letraset site — estructura compartida (sin look Flumen rivers) */
:root {
  --bg: #f4f4f2;
  --bg-elev: #ffffff;
  --fg: #121212;
  --fg-muted: #4a4a4a;
  --line: #d6d6d2;
  --accent: #ff4d3a;
  --accent-fg: #ffffff;
  --font-sans: system-ui, sans-serif;
  --font-display: system-ui, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100dvh;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--fg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }

.container-x {
  width: 100%;
  max-width: 72rem;
  margin-inline: auto;
  padding-inline: 1.25rem;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1.1rem;
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 700;
}

.brand-mark {
  width: auto;
  height: 40px;
}

.brand-name { font-family: var(--font-display); font-size: 1.15rem; }

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.lang-switch {
  display: inline-flex;
  gap: 0.35rem;
  font-size: 0.85rem;
  font-weight: 600;
}

.lang-switch a {
  padding: 0.25rem 0.45rem;
  border: 1px solid transparent;
}

.lang-switch a[aria-current="page"] {
  border-color: var(--line);
  color: var(--accent);
}

.hero {
  padding-block: 3rem 2.5rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 0.75rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.eyebrow-dot {
  width: 0.55rem;
  height: 0.55rem;
  background: var(--accent);
}

.hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.08;
  font-weight: 700;
  max-width: 16ch;
}

.hero h1 .accent-line { color: var(--accent); display: block; }

.lead {
  margin: 1.1rem 0 0;
  max-width: 38rem;
  font-size: 1.1rem;
  color: var(--fg-muted);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-top: 1.5rem;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.35rem;
  background: var(--accent);
  color: var(--accent-fg);
  font-weight: 700;
  border: 2px solid transparent;
}

.btn-primary:hover { filter: brightness(1.05); }

.cta-note {
  margin: 0;
  font-size: 0.92rem;
  color: var(--fg-muted);
}

.cta-note a { text-decoration: underline; text-underline-offset: 2px; }

.section-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
}

.section-lead {
  margin: 0.5rem 0 0;
  color: var(--fg-muted);
  max-width: 40rem;
}

.howto,
.services-wrap,
.packs,
.faq,
.contact-band {
  padding-block: 2.75rem;
}

.howto-grid {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

@media (min-width: 800px) {
  .howto-grid { grid-template-columns: repeat(3, 1fr); }
}

.howto-card {
  padding: 1.15rem;
  background: var(--bg-elev);
  border: 1px solid var(--line);
}

.howto-num {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.4rem;
}

.howto-card h3 { margin: 0 0 0.35rem; font-size: 1.05rem; }
.howto-card p { margin: 0; color: var(--fg-muted); font-size: 0.95rem; }

.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 1.25rem 0 1.5rem;
}

.filter-tab {
  font: inherit;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--fg);
  cursor: pointer;
}

.filter-tab.is-active {
  background: var(--accent);
  color: var(--accent-fg);
  border-color: var(--accent);
}

.offers {
  display: grid;
  gap: 1.25rem;
}

.offer {
  display: grid;
  gap: 1rem;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  overflow: hidden;
}

.offer.is-hidden { display: none; }

@media (min-width: 780px) {
  .offer {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.15fr);
    align-items: stretch;
  }
}

.offer-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 200px;
}

.offer-copy { padding: 1.1rem 1.2rem 1.25rem; }

.offer-kicker {
  margin: 0 0 0.35rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
}

.offer-copy h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.25rem;
}

.offer-lead { margin: 0.55rem 0 0; color: var(--fg-muted); line-height: 1.55; }
.offer-note { margin: 0.45rem 0 0; font-size: 0.9rem; color: var(--fg-muted); }

.offer-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.btn-mini {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 0.9rem;
  font-size: 0.88rem;
  font-weight: 700;
  border: 1px solid var(--line);
}

.btn-mini.mail {
  background: var(--accent);
  color: var(--accent-fg);
  border-color: var(--accent);
}

.btn-mini.wa {
  background: transparent;
  color: var(--fg);
}

.packs-grid {
  display: grid;
  gap: 1rem;
  margin-top: 1.4rem;
}

@media (min-width: 800px) {
  .packs-grid { grid-template-columns: repeat(3, 1fr); }
}

.pack-card {
  padding: 1.25rem;
  border: 1px solid var(--line);
  background: var(--bg-elev);
}

.pack-card h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
}

.pack-card p { margin: 0 0 1rem; color: var(--fg-muted); }

.pack-featured {
  border-color: var(--accent);
  box-shadow: inset 0 0 0 1px var(--accent);
}

.faq-list { margin-top: 1.25rem; display: grid; gap: 0.55rem; }

.faq-item {
  border: 1px solid var(--line);
  background: var(--bg-elev);
  padding: 0.85rem 1rem;
}

.faq-item summary {
  cursor: pointer;
  font-weight: 700;
}

.faq-item p {
  margin: 0.65rem 0 0;
  color: var(--fg-muted);
}

.contact-band-inner {
  display: grid;
  gap: 1.25rem;
  padding: 1.5rem;
  border: 1px solid var(--line);
  background: var(--bg-elev);
}

@media (min-width: 800px) {
  .contact-band-inner {
    grid-template-columns: 1.4fr 1fr;
    align-items: center;
  }
}

.contact-band-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.btn-pair {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.1rem;
  font-weight: 700;
  border: 1px solid var(--line);
}

.btn-pair.mail {
  background: var(--accent);
  color: var(--accent-fg);
  border-color: var(--accent);
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem;
  padding-block: 2rem 5.5rem;
  border-top: 1px solid var(--line);
  color: var(--fg-muted);
  font-size: 0.9rem;
}

.wa-fab {
  position: fixed;
  right: 1rem;
  bottom: 4.5rem;
  z-index: 30;
  width: 3.25rem;
  height: 3.25rem;
  display: grid;
  place-items: center;
  background: #25d366;
  color: #fff;
  border: 0;
}

.contact-form { margin-top: 1.1rem; }
.cf-grid {
  display: grid;
  gap: 0.85rem;
}
@media (min-width: 800px) {
  .cf-grid { grid-template-columns: 1fr 1fr; }
  .cf-span { grid-column: 1 / -1; }
  .contact-band-inner {
    grid-template-columns: 1fr;
    align-items: start;
  }
}
.contact-form input.is-bad,
.contact-form select.is-bad,
.contact-form textarea.is-bad {
  border-color: #c0392b;
}
.cf-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.92rem;
  font-weight: 700;
}
.cf-field input,
.cf-field select,
.cf-field textarea {
  font: inherit;
  font-weight: 500;
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--fg);
}
.cf-req { color: #c0392b; }
.cf-privacy {
  display: flex;
  gap: 0.55rem;
  align-items: flex-start;
  font-size: 0.9rem;
  font-weight: 500;
}
.cf-actions { margin-top: 1rem; }
.cf-status {
  margin-top: 0.8rem;
  padding: 0.7rem 0.85rem;
  font-size: 0.92rem;
}
.cf-status.is-ok { background: #e7f6ea; }
.cf-status.is-err { background: #fdecea; }
.contact-wa-kicker {
  font-weight: 700;
  margin: 0 0 0.55rem;
}
.btn-pair.wa {
  background: #25d366;
  color: #fff;
  border-color: #1ebe57;
  width: 100%;
  min-height: 3rem;
  font-size: 1.05rem;
}