/* ===========================
   AVES PATAGONIA — main.css
   =========================== */

:root {
  --bg:         #050505;
  --bg-2:       #0f0f0f;
  --bg-3:       #1a1a1a;
  --surface:    #242424;
  --border:     rgba(255,255,255,0.1);
  --text:       #f0ede6;
  --text-muted: #787878;
  --accent:     #ffffff;
  --accent-dim: rgba(255,255,255,0.07);
  --danger:     #c0392b;

  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'Inter', system-ui, -apple-system, sans-serif;

  --max-w: 1180px;
  --px:    clamp(1.25rem, 5vw, 3rem);
  --nav-h: 100px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: clamp(0.9375rem, 2vw, 1rem);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a  { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--px);
}

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .8rem 1.75rem;
  border-radius: 3px;
  font-family: var(--font-body);
  font-size: .875rem;
  font-weight: 500;
  letter-spacing: .05em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all .22s ease;
  border: none;
  white-space: nowrap;
}
.btn--primary {
  background: #ffffff;
  color: #050505;
  border: 1.5px solid #ffffff;
}
.btn--primary:hover { background: #e0e0e0; border-color: #e0e0e0; transform: translateY(-1px); }
.btn--ghost {
  background: transparent;
  color: var(--text);
  border: 1.5px solid rgba(240,237,230,.35);
}
.btn--ghost:hover { border-color: var(--text); background: rgba(240,237,230,.05); }
.btn--outline {
  background: transparent;
  color: var(--text);
  border: 1.5px solid var(--border);
}
.btn--outline:hover { border-color: var(--accent); color: var(--accent); }
.btn--secondary {
  background: var(--surface);
  color: var(--text);
  border: 1.5px solid var(--border);
}
.btn--secondary:hover { background: var(--bg-3); border-color: rgba(240,237,230,.3); }
.btn--full { width: 100%; }

/* ── SECTION HEADERS ── */
.section-eyebrow {
  display: block;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: .75rem;
}
.section-header { text-align: center; max-width: 640px; margin: 0 auto 4rem; }
.section-header h2 { margin-bottom: 1rem; }
.section-header p { color: var(--text-muted); }

h1, h2, h3 { font-family: var(--font-display); line-height: 1.15; }
h1 { font-size: clamp(2.6rem, 7vw, 5.5rem); font-weight: 700; }
h2 { font-size: clamp(1.9rem, 4vw, 3rem); font-weight: 600; }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); font-weight: 600; }

/* ── REVEAL ANIMATIONS ── */
.reveal-item {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .65s ease, transform .65s ease;
}
.reveal-item.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-item:nth-child(2) { transition-delay: .12s; }
.reveal-item:nth-child(3) { transition-delay: .22s; }
.reveal-item:nth-child(4) { transition-delay: .32s; }

/* ── NAV ── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  border-bottom: 1px solid transparent;
  transition: background .3s ease, border-color .3s ease;
}
.nav.scrolled {
  background: rgba(7,12,8,.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-color: var(--border);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--px);
}
.nav__logo {
  display: flex;
  flex-direction: column;
  gap: .05rem;
  line-height: 1.1;
}
.nav__logo-main {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
}
.nav__logo-sub {
  font-size: .65rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.nav__links {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav__links a {
  font-size: .85rem;
  font-weight: 400;
  color: var(--text-muted);
  letter-spacing: .03em;
  transition: color .2s;
}
.nav__links a:hover { color: var(--text); }
.nav__cta {
  background: var(--accent-dim);
  color: var(--accent) !important;
  padding: .45rem 1rem;
  border-radius: 3px;
  border: 1px solid rgba(255,255,255,.25);
  font-weight: 500 !important;
}
.nav__cta:hover { background: rgba(255,255,255,.12) !important; }
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav__toggle span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--text);
  transition: .2s;
}

/* ── HERO ── */
.hero {
  position: relative;
  height: 100svh;
  min-height: 600px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  background: var(--bg);
  /* FOTO: background-image: url('/static/images/hero.jpg'); background-size: cover; background-position: center; */
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    rgba(7,12,8,.88) 0%,
    rgba(7,12,8,.55) 55%,
    rgba(7,12,8,.2) 100%
  );
}
.hero__content {
  position: relative;
  z-index: 2;
  max-width: var(--max-w);
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--px);
  padding-top: var(--nav-h);
}
.hero__eyebrow {
  display: block;
  font-size: .72rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
  animation: fadeUp .8s ease both;
}
.hero__title {
  color: var(--text);
  margin-bottom: 1.5rem;
  animation: fadeUp .9s ease .15s both;
}
.hero__title em {
  font-style: italic;
  color: var(--accent);
}
.hero__sub {
  font-size: clamp(.875rem, 1.8vw, 1.05rem);
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  font-weight: 300;
  animation: fadeUp .9s ease .28s both;
}
.hero__ctas {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  animation: fadeUp .9s ease .4s both;
}
.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: var(--px);
  display: flex;
  align-items: center;
  gap: .75rem;
  animation: fadeUp .9s ease .6s both;
}
.hero__scroll span {
  font-size: .65rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--text-muted);
  writing-mode: vertical-rl;
}
.hero__scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine {
  0%,100% { transform: scaleY(1); opacity: 1; }
  50%      { transform: scaleY(.4); opacity: .4; }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── STATS BAR ── */
.stats-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 2rem var(--px);
  flex-wrap: wrap;
}
.stats-bar__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .3rem;
  padding: .5rem 3rem;
  text-align: center;
}
.stats-bar__num-wrap {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  color: var(--text);
  line-height: 1;
  display: flex;
  align-items: flex-start;
}
.stats-bar__num-wrap span:last-child {
  font-size: 1.1rem;
  margin-top: .2rem;
}
.stats-bar__label {
  font-size: .72rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.stats-bar__sep {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* ── INTRO ── */
.intro {
  padding: clamp(5rem, 10vw, 9rem) 0;
}
.intro__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 6vw, 6rem);
  align-items: start;
}
.intro__lead {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.2vw, 1.45rem);
  font-style: italic;
  line-height: 1.6;
  color: var(--text);
  margin-bottom: 1.5rem;
}
.intro__text p:not(.intro__lead) {
  color: var(--text-muted);
  margin-bottom: 1rem;
}
.pillars {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.pillar {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}
.pillar__num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  opacity: .35;
  line-height: 1;
  min-width: 2.5rem;
}
.pillar h3 {
  font-size: 1.05rem;
  margin-bottom: .4rem;
}
.pillar p {
  font-size: .875rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ── BARRADO DIVIDER ── */
.barrado-divider {
  height: 6px;
  background: repeating-linear-gradient(
    90deg,
    #ffffff 0,
    #ffffff 10px,
    #050505 10px,
    #050505 20px
  );
  opacity: .18;
  margin: 0;
}
.barrado-divider--alt {
  background: repeating-linear-gradient(
    90deg,
    #ffffff 0,
    #ffffff 6px,
    #050505 6px,
    #050505 12px
  );
  opacity: .12;
}

/* ── LINEAS ── */
.lineas {
  padding: clamp(5rem, 10vw, 9rem) 0;
  background: var(--bg-2);
}
.lineas__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}
.linea-card {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  transition: transform .25s ease, border-color .25s ease;
}
.linea-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255,255,255,.25);
}
.linea-card__image {
  position: relative;
  aspect-ratio: 16/9;
  display: flex;
  align-items: flex-end;
  padding: 1.25rem;
  /* FOTO: background-image: url('/static/images/linea-X.jpg'); background-size: cover; */
}
.linea-card__image--a {
  background:
    linear-gradient(to top, rgba(0,0,0,.85) 0%, transparent 60%),
    #111111;
}
.linea-card__image--b {
  background:
    linear-gradient(to top, rgba(0,0,0,.85) 0%, transparent 60%),
    #151515;
}
.linea-card__tag {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.25);
  padding: .35rem .9rem;
  border-radius: 2px;
  letter-spacing: .08em;
}
.linea-card__body { padding: 1.75rem; }
.linea-card__body h3 { margin-bottom: .75rem; }
.linea-card__body p { color: var(--text-muted); font-size: .9rem; margin-bottom: 1.25rem; }
.linea-card__specs {
  display: flex;
  flex-direction: column;
  gap: .4rem;
  margin-bottom: 1.75rem;
}
.linea-card__specs li {
  font-size: .82rem;
  color: var(--text-muted);
  padding-left: 1rem;
  position: relative;
}
.linea-card__specs li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--accent);
  opacity: .6;
}

/* ── DISPONIBILIDAD FORM ── */
.disponibilidad {
  padding: clamp(5rem, 10vw, 9rem) 0;
}
.disponibilidad__inner {
  max-width: 680px;
  margin: 0 auto;
}
.disponibilidad__header { text-align: center; margin-bottom: 3rem; }
.disponibilidad__header h2 { margin-bottom: .75rem; }
.disponibilidad__header p { color: var(--text-muted); }
.disponibilidad__form { display: flex; flex-direction: column; gap: 1.25rem; }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
.form-group { display: flex; flex-direction: column; gap: .4rem; }
label {
  font-size: .78rem;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-muted);
}
input, select, textarea {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  padding: .75rem 1rem;
  border-radius: 3px;
  font-family: var(--font-body);
  font-size: .9rem;
  transition: border-color .2s;
  outline: none;
  width: 100%;
  -webkit-appearance: none;
}
input::placeholder, textarea::placeholder { color: var(--text-muted); opacity: .5; }
input:focus, select:focus, textarea:focus { border-color: var(--accent); }
select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238a9b8c' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}
textarea { resize: vertical; min-height: 90px; }
.form-note {
  font-size: .78rem;
  color: var(--text-muted);
  text-align: center;
  opacity: .7;
}
.form-success {
  text-align: center;
  padding: 3rem 2rem;
}
.form-success__check {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  color: var(--accent);
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
}
.form-success h3 { margin-bottom: .5rem; }
.form-success p { color: var(--text-muted); }

/* ── PRODUCTOS DIGITALES ── */
.digital {
  padding: clamp(5rem, 10vw, 9rem) 0;
  background: var(--bg-2);
}
.digital__intro {
  color: var(--text-muted);
  max-width: 580px;
  margin: 0 auto;
}
.productos-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}
.producto-card {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: transform .25s ease, border-color .25s ease;
}
.producto-card:hover {
  transform: translateY(-3px);
  border-color: rgba(240,237,230,.2);
}
.producto-card--highlight {
  border-color: rgba(255,255,255,.3);
  background: linear-gradient(160deg, rgba(255,255,255,.03) 0%, var(--bg-3) 60%);
}
.producto-card__tier {
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.producto-card__tier--gold { color: var(--accent); }
.producto-card__tier--bundle { color: #aaaaaa; }
.producto-card h3 { font-size: 1.1rem; }
.producto-card__price {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text);
}
.producto-card__price span { font-size: .8rem; color: var(--text-muted); font-weight: 400; font-family: var(--font-body); }
.producto-card p { font-size: .875rem; color: var(--text-muted); flex: 1; }
.producto-card__list {
  display: flex;
  flex-direction: column;
  gap: .35rem;
}
.producto-card__list li {
  font-size: .8rem;
  color: var(--text-muted);
  padding-left: .9rem;
  position: relative;
}
.producto-card__list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: .7rem;
}

/* ── YOUTUBE ── */
.youtube-section {
  padding: clamp(5rem, 10vw, 9rem) 0;
}
.youtube__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 6vw, 6rem);
  align-items: center;
}
.youtube__content h2 { margin-bottom: 1rem; }
.youtube__content p { color: var(--text-muted); margin-bottom: 2rem; }
.youtube__stat { margin-bottom: 2rem; }
.youtube__stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}
.youtube__stat-label { font-size: .85rem; color: var(--text-muted); }
.youtube__embed {
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid var(--border);
  aspect-ratio: 16/9;
}
.youtube__placeholder {
  width: 100%;
  height: 100%;
  background:
    linear-gradient(135deg, rgba(255,255,255,.04) 0%, transparent 60%),
    var(--bg-3);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  cursor: pointer;
  transition: background .2s;
}
.youtube__placeholder:hover { background: var(--surface); }
.youtube__play-btn {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform .2s;
}
.youtube__placeholder:hover .youtube__play-btn { transform: scale(1.08); }
.youtube__play-icon { color: #050505; font-size: 1.4rem; padding-left: 3px; }
.youtube__placeholder p { font-size: .85rem; color: var(--text-muted); text-align: center; max-width: 200px; }

/* ── LISTA ESPERA ── */
.lista {
  padding: clamp(5rem, 10vw, 9rem) 0;
  background: var(--bg-2);
}
.lista__inner {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
}
.lista__inner h2 { margin-bottom: 1rem; }
.lista__inner > p { color: var(--text-muted); margin-bottom: 2rem; }
.lista__inputs {
  display: flex;
  gap: .75rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: .75rem;
}
.lista__inputs input {
  flex: 1;
  min-width: 200px;
}
.lista__success {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  color: var(--accent);
  font-size: .9rem;
  padding: 1rem;
}
.lista__check { font-size: 1.1rem; }

/* ── FOOTER ── */
.footer {
  padding: clamp(3.5rem, 7vw, 6rem) 0 2rem;
  border-top: 1px solid var(--border);
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}
.footer__logo {
  display: block;
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: .75rem;
}
.footer__brand p { font-size: .875rem; color: var(--text-muted); line-height: 1.6; }
.footer__legal { font-size: .78rem !important; opacity: .5; margin-top: .5rem; }
.footer__col h4 {
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1rem;
}
.footer__col ul { display: flex; flex-direction: column; gap: .5rem; }
.footer__col li a { font-size: .875rem; color: var(--text-muted); transition: color .2s; }
.footer__col li a:hover { color: var(--text); }
.footer__bottom {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  text-align: center;
}
.footer__bottom p { font-size: .78rem; color: var(--text-muted); opacity: .5; }

/* ── HAMBURGER TOGGLE ANIMATION ── */
.nav__toggle span { transition: transform .22s ease, opacity .22s ease; }
.nav__toggle.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav__toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav__toggle.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .productos-grid { grid-template-columns: 1fr 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  :root { --nav-h: 72px; }

  /* Logo */
  .nav__logo-img { height: 44px; }
  .nav.scrolled .nav__logo-img { height: 44px; }

  /* Hamburger menu */
  .nav__links { display: none; flex-direction: column; gap: 0; }
  .nav__links.open {
    display: flex;
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    background: rgba(5,5,5,.98);
    border-top: 1px solid var(--border);
    padding: 1.5rem var(--px) 2.5rem;
    gap: 0;
    max-height: calc(100svh - var(--nav-h));
    overflow-y: auto;
  }
  .nav__links li { border-bottom: 1px solid var(--border); }
  .nav__links a {
    display: block;
    padding: 1rem 0;
    color: var(--text) !important;
    background: none !important;
    border: none !important;
    font-size: 1.05rem !important;
  }
  .nav__toggle { display: flex; }
  .nav__links.open .nav__cta { margin: 1rem 0 0; }

  /* Hero */
  .hero__watermark { display: none; }
  .hero__scroll { display: none; }
  .hero__ctas { flex-direction: column; }
  .hero__ctas .btn { width: 100%; }

  /* Stats bar — 2 col grid */
  .stats-bar {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    padding: 1.5rem var(--px);
  }
  .stats-bar__item { padding: 1rem; }
  .stats-bar__item:nth-child(odd) { border-right: 1px solid var(--border); }
  .stats-bar__sep { display: none; }

  /* Grids */
  .intro__grid { grid-template-columns: 1fr; }
  .lineas__grid { grid-template-columns: 1fr; }
  .youtube__grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .productos-grid { grid-template-columns: 1fr; }

  /* Footer */
  .footer__grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer__brand { grid-column: auto; }

  /* Lista espera — botones full width */
  .lista__inputs { flex-direction: column; align-items: stretch; }
  .lista__inputs input,
  .lista__inputs .btn { width: 100%; min-width: unset; }

  /* Prevent iOS zoom on input focus */
  input, select, textarea { font-size: 1rem; }
}

@media (max-width: 480px) {
  .stats-bar { grid-template-columns: 1fr; }
  .stats-bar__item { border-right: none !important; }
  .stats-bar__item:last-child { border-bottom: none; }
  .producto-card { padding: 1.25rem; }
  .linea-card__body { padding: 1.25rem; }
  .pillar { flex-direction: column; gap: .75rem; }
  .pillar__num { min-width: unset; }
}

/* ── LOGO IMAGE ── */
.nav__logo-img {
  height: 72px;
  width: auto;
  /* Logo negro (1.png) sobre fondo oscuro: lo invertimos a blanco */
  filter: invert(1) brightness(1.8);
  opacity: .92;
  transition: opacity .2s;
}
.nav.scrolled .nav__logo-img { height: 60px; opacity: 1; }
.nav__logo-img:hover { opacity: .75; }

/* ── HERO WATERMARK ── */
.hero__watermark {
  position: absolute;
  right: -5%;
  top: 50%;
  transform: translateY(-50%);
  width: clamp(320px, 42vw, 640px);
  height: auto;
  /* 4.png: fondo transparente, plumas negras → invertir a blanco sobre fondo oscuro */
  filter: invert(1) brightness(1.5);
  opacity: .06;
  pointer-events: none;
  user-select: none;
}