/* ---- Layout & Structure ---- */

.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0%;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  z-index: 1000;
  transition: width 0.1s linear;
}

.scene-wrap {
  position: fixed;
  inset: 0;
  z-index: 0;
  background: var(--bg-deep);
}

#bg-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.vignette {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse at center, transparent 45%, rgba(250, 249, 247, 0.85) 100%),
    linear-gradient(180deg, rgba(250,249,247,0.5) 0%, transparent 14%, transparent 82%, rgba(250,249,247,0.75) 100%);
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 32px;
}

/* Nav */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 32px;
  background: rgba(250, 249, 247, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-gold);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-logo {
  height: 26px;
  width: auto;
  object-fit: contain;
}

.footer-brand .nav-logo { height: 34px; }

.nav-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: 0.02em;
}

.nav-links {
  display: flex;
  gap: 32px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
}

.nav-links a {
  opacity: 0.75;
  transition: opacity var(--transition), color var(--transition);
}
.nav-links a:hover { opacity: 1; color: var(--gold-light); }

.nav-actions { display: flex; align-items: center; }

/* Sections base */
section {
  position: relative;
  z-index: 1;
  padding: 140px 0;
}

.section-head {
  max-width: 640px;
  margin: 0 auto 64px;
  text-align: center;
}

.section-head::before {
  content: '✦';
  display: block;
  font-size: 0.8rem;
  color: var(--gold-light);
  opacity: 0.7;
  margin-bottom: 22px;
  letter-spacing: 0;
}

.kicker {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.28em;
  color: var(--label);
  margin-bottom: 18px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 500;
  line-height: 1.2;
}

.section-title em {
  font-style: italic;
  color: var(--gold-light);
}

.section-lead {
  margin-top: 18px;
  font-size: 1.05rem;
  color: rgba(28, 26, 24, 0.7);
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 120px;
  text-align: center;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('../assets/img/personi-logo.png') no-repeat center 42%;
  background-size: min(900px, 88%);
  opacity: 0.05;
  pointer-events: none;
  z-index: 0;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--label);
  border: 1px solid var(--border-gold-strong);
  border-radius: 999px;
  padding: 8px 20px;
  margin: 0 auto 32px;
  background: var(--surface-soft);
  backdrop-filter: blur(8px);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 7vw, 5.2rem);
  font-weight: 500;
  line-height: 1.12;
  max-width: 880px;
  margin: 0 auto;
}

.hero-title em {
  font-style: italic;
  color: var(--gold-light);
}

.hero-lead {
  max-width: 560px;
  margin: 28px auto 0;
  font-size: 1.1rem;
  color: rgba(28, 26, 24, 0.72);
}

.hero-cta {
  margin-top: 36px;
}

.hero-meta {
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(28, 26, 24, 0.45);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: 760px;
  margin: 80px auto 0;
}

.stat {
  text-align: center;
}

.stat-num {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  color: var(--gold-light);
}

.stat-label {
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: rgba(28, 26, 24, 0.5);
}

.scroll-hint {
  margin: 64px auto 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(28, 26, 24, 0.4);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.scroll-hint .line {
  width: 1px;
  height: 40px;
  background: linear-gradient(180deg, var(--gold), transparent);
}

/* Grids */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
  align-items: center;
}

.split-visual {
  aspect-ratio: 4 / 3;
  border: 1px solid var(--border-gold);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(107,76,56,0.08), transparent 60%);
  position: relative;
  overflow: hidden;
}

.split-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.96);
}

.split-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, transparent 60%, rgba(107,76,56,0.18));
  pointer-events: none;
}

.split.reverse {
  grid-template-columns: 0.9fr 1.1fr;
}
.split.reverse .split-visual { order: -1; }

.courses-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.about-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
  align-items: center;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1px;
}

/* CTA final */
.cta-final {
  text-align: center;
}

.cta-final .section-title {
  max-width: 700px;
  margin: 0 auto;
}

.cta-final-actions {
  margin-top: 36px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
}

.cta-address {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(28, 26, 24, 0.5);
  text-align: center;
}

/* Footer */
.footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border-gold);
  background: var(--surface-soft);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: 80px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 56px;
}

.footer-brand p {
  margin-top: 16px;
  max-width: 280px;
  color: rgba(28, 26, 24, 0.55);
  font-size: 0.92rem;
}

.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--label);
  margin-bottom: 18px;
}

.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a, .footer-col p {
  color: rgba(28, 26, 24, 0.65);
  font-size: 0.92rem;
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--gold-light); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 28px;
  border-top: 1px solid var(--border-gold);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(28, 26, 24, 0.4);
}

.footer-bottom a { transition: color var(--transition); }
.footer-bottom a:hover { color: var(--gold-light); }

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .split, .split.reverse { grid-template-columns: 1fr; gap: 32px; }
  .split.reverse .split-visual { order: 0; }
  .courses-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonial-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .pricing-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  section { padding: 96px 0; }
}

@media (max-width: 500px) {
  .container { padding: 0 20px; }
  .services-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 12px; align-items: flex-start; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .nav { padding: 16px 20px; }
}

/* ---- Hamburger ---- */
.nav-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius);
  transition: background var(--transition);
}
.nav-burger:hover { background: var(--bg-alt); }
.nav-burger:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }
.burger-bar {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--cream);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.nav-burger.is-open .burger-bar:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-burger.is-open .burger-bar:nth-child(2) { opacity: 0; }
.nav-burger.is-open .burger-bar:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ---- Mobile menu overlay ---- */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 90;
  background: rgba(250, 249, 247, 0.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  flex-direction: column;
  justify-content: center;
  align-items: center;
  opacity: 0;
  transition: opacity var(--transition);
}
.mobile-menu.is-open { display: flex; opacity: 1; }
.mobile-nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  width: 100%;
  max-width: 320px;
  padding: 0 24px;
}
.mobile-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 54px;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--cream);
  border-bottom: 1px solid var(--border-gold);
  transition: color var(--transition);
}
.mobile-link:hover { color: var(--gold-light); }
.mobile-link--cta {
  margin-top: 20px;
  border: none;
  background: var(--gold);
  color: var(--bg-deep) !important;
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  min-height: 48px;
}
.mobile-link--cta:hover { background: var(--gold-light); }
.mobile-link--wa {
  margin-top: 8px;
  border: 1px solid var(--border-gold-strong);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  min-height: 48px;
}
body.menu-open { overflow: hidden; }

@media (max-width: 900px) {
  .nav-burger { display: flex; }
  .nav-actions { display: none; }
}

/* Galería con sliders: 1 columna full-width */
.gallery-grid--sliders {
  grid-template-columns: 1fr !important;
  gap: 24px;
}