/* ============================================================
   OSCILADOR ACADEMY — Sistema base
   Paleta estricta: #050505 #161616 #B8B8B8 #FFFFFF #25D366
   Tipos: Montserrat 800 / Space Grotesk / IBM Plex Mono
   ============================================================ */

:root {
  --black: #050505;
  --graphite: #161616;
  --silver: #B8B8B8;
  --white: #FFFFFF;
  --signal: #25D366;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);
  --line-soft: rgba(255, 255, 255, 0.04);
  --ink-dim: rgba(184, 184, 184, 0.7);

  --font-display: "Montserrat", system-ui, sans-serif;
  --font-body: "Space Grotesk", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;

  --container: 1320px;
  --gutter: clamp(20px, 4vw, 56px);
  --section-pad: clamp(16px, 2vw, 32px);

  /* fluid display sizes */
  --display-1: clamp(56px, 11vw, 180px);
  --display-2: clamp(44px, 8vw, 132px);
  --display-3: clamp(36px, 6vw, 88px);
  --display-mega: clamp(120px, 28vw, 420px);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { background: var(--black); color: var(--white); }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
img, svg { display: block; max-width: 100%; }

/* ───── Utilities ───── */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.mono {
  font-family: var(--font-mono);
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 11px;
  color: var(--silver);
}

.mono-md { font-family: var(--font-mono); font-weight: 400; letter-spacing: 0.04em; font-size: 13px; }
.mono-lg { font-family: var(--font-mono); font-weight: 400; letter-spacing: 0.02em; font-size: 18px; }

.display {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 0.95;
  text-transform: uppercase;
  text-wrap: balance;
}

.h-1 { font-size: var(--display-1); }
.h-2 { font-size: var(--display-2); }
.h-3 { font-size: var(--display-3); }

.muted { color: var(--silver); }
.dim   { color: var(--ink-dim); }

.section { padding: var(--section-pad) 0; position: relative; }
.section-tight { padding: clamp(60px, 7vw, 100px) 0; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--silver);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--silver);
}

/* ───── Buttons ───── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 56px;
  padding: 0 26px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 14px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: 3px;
  transition: transform .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
  white-space: nowrap;
}
.btn-signal {
  background: var(--signal);
  color: var(--black);
}
.btn-signal:hover { transform: translateY(-1px); filter: brightness(1.06); }
.btn-ghost {
  background: transparent;
  color: var(--white);
  border: 1px solid var(--line-strong);
}
.btn-ghost:hover { border-color: var(--white); }
.btn-lg { height: 72px; padding: 0 40px; font-size: 16px; }

.btn .arrow {
  display: inline-block;
  transition: transform .2s ease;
}
.btn:hover .arrow { transform: translateX(4px); }

/* ───── Header ───── */
.hdr {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  transition: background .25s ease, border-color .25s ease, backdrop-filter .25s ease;
  border-bottom: 1px solid transparent;
}
.hdr.scrolled {
  background: rgba(5, 5, 5, 0.72);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-bottom-color: var(--line);
}
.hdr-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 72px;
}
.hdr-nav {
  display: flex;
  gap: 32px;
}
.hdr-nav a {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--silver);
  transition: color .15s ease;
}
.hdr-nav a:hover { color: var(--white); }
@media (max-width: 880px) {
  .hdr-nav { display: none; }
}

/* ───── Logo ───── */
.logo {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}
.logo-mark {
  width: 36px;
  height: 36px;
  background: #f6f4ef;
  border-radius: 999px;
  display: grid;
  place-items: center;
  flex: none;
  padding: 2px;
  overflow: hidden;
}
.logo-mark img { width: 100%; height: 100%; display: block; }
.logo-text {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1;
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding-left: 14px;
  border-left: 1px solid var(--line-strong);
}
.logo-text span:last-child { color: var(--silver); font-size: 11px; }

/* ───── Wave divider ───── */
.wave-div {
  width: 100%;
  height: 1px;
  background: var(--line);
  position: relative;
}
.wave-div::before {
  content: "";
  position: absolute;
  inset: -1px 0;
  background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='400' height='12' viewBox='0 0 400 12'><path d='M0 6 Q 50 0, 100 6 T 200 6 T 300 6 T 400 6' fill='none' stroke='rgba(255,255,255,0.18)' stroke-width='1'/></svg>") center / 400px 12px repeat-x;
  height: 12px;
  top: -6px;
  opacity: 0.65;
}

/* ───── Cards ───── */
.card {
  background: var(--graphite);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 36px;
  transition: border-color .25s ease, transform .25s ease, background .25s ease;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.card:hover { border-color: var(--line-strong); }
.card.featured {
  border-color: var(--white);
  background: var(--graphite);
}

/* ───── Animations on scroll ───── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s cubic-bezier(.22,.61,.36,1), transform .7s cubic-bezier(.22,.61,.36,1);
  transition-delay: var(--rd, 0ms);
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

@keyframes slow-pulse {
  0%, 100% { opacity: 0.06; }
  50%      { opacity: 0.10; }
}

@keyframes scroll-x {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ───── Marquee ───── */
.marquee {
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 22px 0;
  background: var(--black);
}
.marquee-track {
  display: flex;
  gap: 64px;
  width: max-content;
  animation: scroll-x 40s linear infinite;
  align-items: center;
}
.marquee-item {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--silver);
  display: inline-flex;
  align-items: center;
  gap: 12px;
  white-space: nowrap;
}
.marquee-item .dot {
  width: 6px; height: 6px; border-radius: 999px;
  background: var(--signal);
  flex: none;
}

/* ───── Tag chip ───── */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--silver);
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 3px;
}
.tag.signal { color: var(--signal); border-color: rgba(37, 211, 102, 0.32); }
.tag.solid { color: var(--black); background: var(--white); border-color: var(--white); }

/* ───── Photo placeholder ───── */
.ph {
  position: relative;
  background:
    linear-gradient(135deg, #0a0a0a 0%, #161616 50%, #0a0a0a 100%);
  border: 1px solid var(--line);
  border-radius: 3px;
  overflow: hidden;
  color: var(--silver);
}
.ph::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    135deg,
    rgba(255,255,255,0.018) 0 14px,
    transparent 14px 28px
  );
  pointer-events: none;
}
.ph-label {
  position: absolute;
  left: 16px;
  bottom: 14px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--silver);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.ph-label .id {
  color: rgba(184,184,184,0.45);
}
.ph-cross {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: rgba(184,184,184,0.18);
}

/* ───── Hero ───── */
.hero {
  min-height: 100vh;
  padding-top: clamp(120px, 14vh, 180px);
  padding-bottom: clamp(60px, 8vh, 120px);
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(40px, 6vw, 80px);
  width: 100%;
}
.hero-headline {
  font-size: var(--display-1);
  line-height: 0.92;
}
.hero-headline em {
  font-style: normal;
  color: var(--silver);
}
.hero-meta {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  padding-top: 32px;
  border-top: 1px solid var(--line);
  margin-top: 40px;
}
.hero-meta-item { display: flex; flex-direction: column; gap: 6px; }
.hero-meta-item b { font-family: var(--font-display); font-weight: 800; font-size: 14px; letter-spacing: 0.04em; }

/* hero variant 2: split */
.hero-split { display: grid; grid-template-columns: 1fr; gap: clamp(32px, 5vw, 64px); align-items: end; }
@media (min-width: 980px) {
  .hero-split { grid-template-columns: 1.4fr 1fr; }
}
.hero-photo { aspect-ratio: 3 / 4; min-height: 380px; }

/* hero variant 3: photo bg */
.hero-bg-photo {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(5,5,5,0.55) 0%, rgba(5,5,5,0.4) 40%, rgba(5,5,5,0.9) 100%),
    radial-gradient(circle at 70% 20%, rgba(255,255,255,0.06), transparent 60%);
}
.hero > .container { position: relative; z-index: 1; }

/* ambient wave bg (hero variant 1) */
.hero-wavebg {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: grid;
  place-items: center;
  pointer-events: none;
  overflow: hidden;
}
.hero-wavebg svg {
  width: 140%;
  height: auto;
  opacity: 0.08;
  animation: slow-pulse 6s ease-in-out infinite;
}

/* ───── Diferenciador ───── */
.dif-mega {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--display-mega);
  line-height: 0.82;
  letter-spacing: -0.04em;
  display: block;
}
.dif-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 40px);
  padding: clamp(20px, 3vw, 40px) 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}
.dif-row:first-of-type { border-top: 1px solid var(--line); }
@media (min-width: 760px) {
  .dif-row { grid-template-columns: 120px 1fr 1fr; }
}
.dif-rownum {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--silver);
}
.dif-rowhead {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 4vw, 56px);
  line-height: 1.0;
  text-transform: uppercase;
  letter-spacing: -0.01em;
}
.dif-rowbody {
  color: var(--silver);
  font-size: 16px;
  max-width: 38ch;
}

/* ───── Services ───── */
.svc-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
@media (min-width: 880px) {
  .svc-grid { grid-template-columns: repeat(2, 1fr); }
}
.svc-row { display: flex; flex-direction: column; gap: 0; }
.svc-row .svc-line {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 32px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
}
@media (min-width: 880px) {
  .svc-row .svc-line { grid-template-columns: 100px 1fr 1.2fr 200px; gap: 40px; align-items: center; }
}
.svc-row .svc-line:first-child { border-top: 1px solid var(--line); }

.svc-price {
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: clamp(28px, 3vw, 42px);
  letter-spacing: -0.01em;
  color: var(--white);
  line-height: 1;
}
.svc-price .unit { color: var(--silver); font-size: 0.45em; letter-spacing: 0.08em; }

.svc-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 2.4vw, 32px);
  letter-spacing: -0.01em;
  text-transform: uppercase;
  line-height: 1;
}

/* ───── Members ───── */
.mem-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  align-items: stretch;
}
@media (min-width: 980px) {
  .mem-grid { grid-template-columns: 1fr 1.2fr 1fr; }
}

/* ───── Galería ───── */
.gal-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
@media (min-width: 880px) {
  .gal-grid {
    grid-template-columns: repeat(6, 1fr);
    grid-auto-rows: 200px;
    gap: 16px;
  }
  .gal-1 { grid-column: span 4; grid-row: span 2; }
  .gal-2 { grid-column: span 2; grid-row: span 1; }
  .gal-3 { grid-column: span 2; grid-row: span 1; }
  .gal-4 { grid-column: span 6; grid-row: span 1; }
  .gal-5 { grid-column: span 3; grid-row: span 1; }
  .gal-grid > .reveal { display: flex; }
  .gal-grid > .reveal > .ph { flex: 1; width: 100%; }
}

/* horizontal scroller */
.gal-scroll {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 12px;
  scrollbar-width: thin;
  scrollbar-color: var(--line-strong) transparent;
}
.gal-scroll .ph {
  flex: none;
  width: clamp(260px, 60vw, 540px);
  aspect-ratio: 3 / 4;
  scroll-snap-align: start;
}

/* fullbleed stack */
.gal-stack { display: flex; flex-direction: column; gap: 8px; }
.gal-stack .ph { aspect-ratio: 16 / 7; min-height: 280px; width: 100%; }

/* ───── Reglas rider ───── */
.rider {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--line);
}
.rider-row {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 16px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}
@media (min-width: 760px) {
  .rider-row { grid-template-columns: 80px 1fr 1.4fr; gap: 40px; }
}
.rider-row .num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--silver);
  letter-spacing: 0.12em;
}
.rider-row b {
  font-family: var(--font-display);
  font-weight: 800;
  text-transform: uppercase;
  font-size: 16px;
  letter-spacing: 0.02em;
}

/* ───── FAQ ───── */
.faq-item {
  border-bottom: 1px solid var(--line);
  padding: 24px 0;
  cursor: pointer;
}
.faq-item:first-child { border-top: 1px solid var(--line); }
.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  font-family: var(--font-display);
  font-weight: 800;
  text-transform: uppercase;
  font-size: clamp(18px, 2vw, 26px);
  letter-spacing: -0.005em;
  line-height: 1.1;
}
.faq-toggle {
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--silver);
  flex: none;
}
.faq-a {
  color: var(--silver);
  font-size: 15px;
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease, padding .35s ease;
  padding-top: 0;
  max-width: 60ch;
}
.faq-item.open .faq-a { max-height: 300px; padding-top: 14px; }
.faq-item.open .faq-toggle { transform: rotate(45deg); }

/* ───── CTA Final ───── */
.cta-final {
  text-align: center;
  padding: clamp(72px, 8vw, 120px) 0;
  position: relative;
  overflow: hidden;
}
.cta-final .display { font-size: var(--display-2); }
.cta-final-bg {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  pointer-events: none;
  opacity: 0.04;
}
.cta-final-bg svg { width: 100%; height: auto; }

/* ───── Footer ───── */
.foot {
  border-top: 1px solid var(--line);
  padding: 60px 0 40px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--silver);
}
.foot-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}
@media (min-width: 760px) {
  .foot-grid { grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; }
}
.foot h6 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: rgba(184,184,184,0.5);
  text-transform: uppercase;
  font-weight: 400;
  margin-bottom: 14px;
}
.foot a { color: var(--silver); }
.foot a:hover { color: var(--white); }
.foot-bottom {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  padding-top: 40px;
  margin-top: 60px;
  border-top: 1px solid var(--line);
  font-size: 10px;
}

/* ───── Section header ───── */
.sec-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-bottom: clamp(32px, 4vw, 56px);
  max-width: 100%;
}
@media (min-width: 880px) {
  .sec-head { grid-template-columns: 1fr 1fr; gap: 60px; align-items: end; }
}
.sec-head h2 {
  font-family: var(--font-display);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  line-height: 0.95;
  font-size: var(--display-3);
}

/* ───── Section divider (bridges section gaps) ───── */
.sec-div {
  border-top: 1px solid var(--line);
  position: relative;
}
.sec-div-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(184,184,184,0.55);
  padding: 14px 0;
  flex-wrap: wrap;
}
.sec-div-inner .arrow {
  display: inline-block;
  width: 22px;
  height: 1px;
  background: rgba(184,184,184,0.4);
  margin: 0 8px;
  vertical-align: middle;
}
.sec-div-inner .glyph {
  color: var(--white);
}

/* selection */
::selection { background: var(--signal); color: var(--black); }

/* mobile spacing tweak */
@media (max-width: 640px) {
  .card { padding: 24px; }
  .btn { height: 52px; padding: 0 22px; font-size: 13px; }
  .btn-lg { height: 64px; padding: 0 32px; font-size: 14px; }
}

/* ───── Header CTA — fix mobile overflow ───── */
@media (max-width: 480px) {
  .hdr-inner .btn-ghost {
    padding: 0 12px;
    font-size: 11px;
    letter-spacing: 0.03em;
    gap: 6px;
  }
}

/* ───── WhatsApp floating button ───── */
.wa-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 90;
  display: flex;
  align-items: center;
  gap: 10px;
  background: #25D366;
  color: #000;
  border-radius: 100px;
  padding: 14px 22px 14px 18px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  box-shadow: 0 8px 28px rgba(37, 211, 102, 0.40);
  transition: transform .2s ease, box-shadow .2s ease, opacity .4s ease;
  cursor: pointer;
  text-decoration: none;
  opacity: 0;
  pointer-events: none;
  animation: waFadeIn .4s ease 2s forwards;
}
.wa-float:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 40px rgba(37, 211, 102, 0.55);
  color: #000;
}
@keyframes waFadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); pointer-events: auto; }
}
.wa-float.visible {
  opacity: 1;
  pointer-events: auto;
}
@media (max-width: 640px) {
  .wa-float {
    bottom: 20px;
    right: 20px;
    padding: 14px;
    border-radius: 50%;
    width: 52px;
    height: 52px;
    justify-content: center;
  }
  .wa-float-label { display: none; }
}

/* ───── Hero media (foto de fondo) ───── */
.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(0,0,0,0.92) 0%, rgba(0,0,0,0.72) 42%, rgba(0,0,0,0.2) 100%),
    linear-gradient(180deg, rgba(0,0,0,0.72) 0%, rgba(0,0,0,0.08) 38%, rgba(0,0,0,0.84) 100%);
  pointer-events: none;
}

@media (max-width: 760px) {
  .hero::after {
    background:
      linear-gradient(180deg, rgba(0,0,0,0.88) 0%, rgba(0,0,0,0.54) 46%, rgba(0,0,0,0.9) 100%);
  }
}

.hero-wavebg { z-index: 2; }
.hero > .container { z-index: 3; }

/* ───── Photo tile con imagen real ───── */
.ph.has-img::before { display: none; }

.ph.has-img .ph-label {
  z-index: 2;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 32px 16px 14px;
  background: linear-gradient(0deg, rgba(0,0,0,0.65) 0%, transparent 100%);
}

.ph.has-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(0,0,0,0.05) 0%, rgba(0,0,0,0.55) 100%),
    linear-gradient(45deg, rgba(0,0,0,0.28) 0%, transparent 58%);
  pointer-events: none;
  z-index: 1;
}

/* ───── Banda setup completo ───── */
.setup-band {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 6;
  overflow: hidden;
  border-radius: var(--r-4);
  border: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 16px;
}

@media (max-width: 760px) {
  .setup-band { aspect-ratio: 16 / 9; }
}

/* ── Booking overlay (CLA-37 + CLA-38) ── */
.bk-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(5,5,5,0.88);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 0;
  animation: bk-fade .2s ease;
}

@keyframes bk-fade { from { opacity: 0; } to { opacity: 1; } }

.bk-panel {
  background: var(--graphite);
  border: 1px solid var(--line-strong);
  border-radius: 8px 8px 0 0;
  width: 100%;
  max-width: 920px;
  max-height: 92vh;
  overflow-y: auto;
  padding: clamp(24px, 4vw, 48px);
  animation: bk-up .25s ease;
}

@keyframes bk-up {
  from { transform: translateY(20px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

@media (min-width: 640px) {
  .bk-overlay { align-items: center; padding: 20px; }
  .bk-panel   { border-radius: 8px; max-height: 86vh; }
}

.bk-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  margin-bottom: 28px;
}

.bk-close {
  width: 36px; height: 36px; flex-shrink: 0;
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  color: var(--silver);
  font-size: 13px;
  display: flex; align-items: center; justify-content: center;
  transition: border-color .2s, color .2s;
}
.bk-close:hover { border-color: var(--white); color: var(--white); }

.bk-disclaimer {
  background: rgba(37,211,102,0.06);
  border: 1px solid rgba(37,211,102,0.22);
  border-radius: 3px;
  padding: 14px 18px;
  margin-bottom: 28px;
}

.bk-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 24px;
}

@media (max-width: 520px) {
  .bk-cards { grid-template-columns: 1fr; }
}

.bk-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 0;
  transition: border-color .2s, background .2s, transform .2s;
  cursor: pointer;
}
.bk-card:hover {
  border-color: var(--line-strong);
  background: rgba(255,255,255,0.06);
  transform: translateY(-2px);
}

.bk-footer {
  padding-top: 16px;
  border-top: 1px solid var(--line);
  text-align: center;
}

/* ── Cal.com inline embed panel ── */
.bk-panel--embed {
  padding: 0;
  display: flex;
  flex-direction: column;
}
.bk-panel--embed .bk-header {
  padding: clamp(20px, 3vw, 36px);
  padding-bottom: 20px;
  margin-bottom: 0;
  border-bottom: 1px solid var(--line);
}
.bk-cal-embed {
  display: block;
  width: 100%;
  height: 620px;
  border: none;
}
.bk-embed-footer {
  padding: 12px clamp(20px, 3vw, 36px);
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-shrink: 0;
}

/* ── Responsive fixes (CLA-120) ── */

/* rider-row: fuerza descripción a columna 2 en mobile
   (sin esto, el 3er hijo cae a col-1 de 60px y el texto se corta;
    afecta tanto <p> como <span> usados como descripción) */
@media (max-width: 759px) {
  .rider-row p,
  .rider-row > span:not(.num) {
    grid-column: 2;
    padding-top: 2px;
  }
}

/* galería masonry en mobile: convierte a flex columna para evitar que
   span:6 en gal-4 fuerce 6 columnas implícitas y cause overflow horizontal */
@media (max-width: 879px) {
  .gal-grid {
    display: flex;
    flex-direction: column;
    gap: 16px;
  }
  .gal-grid > .reveal {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
  }
  .gal-grid > .reveal > .ph {
    position: absolute;
    inset: 0;
  }
}

/* word-wrap para textos en secciones estrechas */
@media (max-width: 640px) {
  .rider-row p,
  .rider-row b,
  .card p,
  .card h3,
  .inst-info p,
  .curso-block p {
    overflow-wrap: break-word;
    word-break: break-word;
  }

  /* Reduce iframe de cal.com en mobile para no salir de pantalla */
  .bk-cal-embed {
    height: 520px;
  }
}