/* ====================================================================
   LAYOUT.CSS — Section structures, grids, spacing, positioning
   ==================================================================== */


/* ---- HEADER ------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  z-index: var(--z-header);
  transition: background var(--t-base), box-shadow var(--t-base);
}

/* Scrolled state added by JS */
.site-header.is-scrolled {
  background: rgba(10, 7, 4, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--clr-border), var(--shadow-sm);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--sp-6);
}

.primary-nav {
  margin-left: auto;
}


/* ---- HERO --------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  overflow: hidden;
  padding-top: var(--header-h);
  padding-bottom: var(--sp-16);

  /* Richer desert gradient — more color saturation */
  background:
    radial-gradient(ellipse 90% 65% at 50% 0%,    rgba(200,80,18,0.42) 0%, transparent 60%),
    radial-gradient(ellipse 60% 55% at 85% 75%,    rgba(160,40,14,0.28) 0%, transparent 55%),
    radial-gradient(ellipse 55% 45% at 10% 65%,    rgba(107,122,42,0.18) 0%, transparent 55%),
    radial-gradient(ellipse 40% 35% at 50% 100%,   rgba(212,165,64,0.10) 0%, transparent 50%),
    var(--clr-bg);
}

.hero__grain {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(ellipse 70% 50% at 50% -10%, rgba(232,100,26,0.12) 0%, transparent 70%),
    radial-gradient(ellipse 40% 30% at 85% 90%,  rgba(212,165,64,0.08) 0%, transparent 60%);
  pointer-events: none;
}

.hero__bg-radial {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 90% 50% at 50% 105%, var(--clr-bg) 0%, transparent 60%);
  pointer-events: none;
}

.hero__cactus {
  position: absolute;
  bottom: 8%;
  color: rgba(107,122,42,0.14);
  pointer-events: none;
  user-select: none;
}
.hero__cactus--left  { left: 2%;  width: clamp(60px, 8vw, 110px); }
.hero__cactus--right { right: 3%; width: clamp(45px, 6vw, 80px);  }

/* Poster decorativo — solo desktop, flotando a la derecha */
.hero__poster {
  display: none;
  position: absolute;
  right: 3%;
  top: 50%;
  transform: translateY(-50%) rotate(3deg);
  width: clamp(180px, 18vw, 280px);
  border-radius: var(--radius-lg);
  box-shadow:
    0 24px 64px rgba(0,0,0,0.70),
    0 0 0 2px rgba(232,100,26,0.25),
    0 0 80px rgba(232,100,26,0.15);
  object-fit: cover;
  transition: transform var(--t-slow);
}
.hero__poster:hover {
  transform: translateY(-50%) rotate(1deg) scale(1.02);
}
@media (min-width: 1000px) {
  .hero__poster { display: block; }
  /* Shift content left so poster doesn't overlap text */
  .hero__content { padding-right: calc(clamp(180px,18vw,280px) + 5%); }
}

.hero__content {
  position: relative;
  z-index: var(--z-base);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-6);
  padding-bottom: var(--sp-16);
}

.hero__divider {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  line-height: 0;
}
.hero__divider svg { width: 100%; height: auto; }

.scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-2);
  z-index: var(--z-base);
}


/* ---- ABOUT -------------------------------------------------------- */
.about {
  position: relative;
  background: var(--clr-bg);
  padding-block: var(--sp-24) var(--sp-20);
}

.about__container {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-12);
  align-items: center;
}

@media (min-width: 768px) {
  .about__container {
    grid-template-columns: 1fr auto;
    gap: var(--sp-16);
  }
}

.about__deco {
  display: none;
  width: 220px;
  flex-shrink: 0;
}
@media (min-width: 768px) {
  .about__deco { display: block; }
}

.about__stats {
  display: flex;
  align-items: center;
  gap: var(--sp-6);
  flex-wrap: wrap;
  margin-top: var(--sp-8);
  padding-top: var(--sp-8);
  border-top: 1px solid var(--clr-border);
}

.stat {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
}

.stat__sep {
  width: 1px;
  height: 40px;
  background: var(--clr-border);
  flex-shrink: 0;
}


/* ---- LINEUP ------------------------------------------------------- */
.lineup {
  position: relative;
  background: var(--clr-surface);
  padding-block: var(--sp-24) 0;
  overflow: hidden;
}

/* Subtle top wave */
.lineup::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg,
    transparent 0%,
    var(--clr-orange-dark) 30%,
    var(--clr-gold) 50%,
    var(--clr-orange-dark) 70%,
    transparent 100%);
}

.lineup__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-5);
  margin-bottom: var(--sp-12);
}

/* Desktop: 4-col grid with La Santos spanning 2, Sorpresa spanning 3 */
@media (min-width: 900px) {
  .lineup__grid {
    grid-template-columns: repeat(4, 1fr);
  }
  /* La Santos: cols 1-2, row 1 */
  .artist-card--featured {
    grid-column: span 2;
  }
  /* Conferencia Sorpresa: cols 2-4, row 2 (after Qubix) */
  .artist-card--mystery {
    grid-column: span 3;
  }
}

/* Mobile: La Santos full-width */
@media (max-width: 639px) {
  .artist-card--featured { grid-column: 1 / -1; }
  .artist-card--mystery  { grid-column: 1 / -1; }
}

/* Cactus row divider */
.cactus-row {
  line-height: 0;
  margin-top: var(--sp-12);
}
.cactus-row svg { width: 100%; height: auto; }


/* ---- PILLARS ------------------------------------------------------ */
.pillars {
  background: var(--clr-bg);
  padding-block: var(--sp-24);
}

.pillars__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-5);
}
@media (min-width: 480px) {
  .pillars__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 900px) {
  .pillars__grid { grid-template-columns: repeat(4, 1fr); }
}


/* ---- REGISTRATION ------------------------------------------------- */
.registration {
  position: relative;
  background: var(--clr-surface);
  padding-block: var(--sp-24);
  overflow: hidden;
}

.registration::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 50% 50%, rgba(184,78,18,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.registration__deco {
  position: absolute;
  right: -120px;
  top: 50%;
  transform: translateY(-50%);
  width: 500px;
  height: 500px;
  pointer-events: none;
  opacity: 0.6;
}
@media (max-width: 900px) {
  .registration__deco { display: none; }
}

.registration__container {
  position: relative;
  z-index: var(--z-base);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-12);
  align-items: start;
}
@media (min-width: 768px) {
  .registration__container {
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-16);
  }
}
@media (min-width: 1024px) {
  .registration__container {
    grid-template-columns: 5fr 7fr;
  }
}

.registration__form-wrap {
  position: relative;
}


/* ---- VENUE -------------------------------------------------------- */
.venue {
  background: var(--clr-bg);
  padding-block: var(--sp-24);
}

.venue__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-8);
  align-items: start;
}
@media (min-width: 768px) {
  .venue__layout {
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-10);
  }
}
@media (min-width: 1024px) {
  .venue__layout {
    grid-template-columns: 5fr 7fr;
  }
}

.venue__info {
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
}

.venue__map {
  position: relative;
}

.map-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--clr-border);
  box-shadow: var(--shadow-lg);
}
.map-frame iframe {
  display: block;
  width: 100%;
}


/* ---- FOOTER ------------------------------------------------------- */
.footer {
  position: relative;
  background: var(--clr-surface);
  padding-bottom: 0;
}

.footer__top-edge {
  line-height: 0;
  margin-bottom: -1px;
}
.footer__top-edge svg { width: 100%; }

.footer__container {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-10);
  padding-block: var(--sp-12) var(--sp-10);
}
@media (min-width: 640px) {
  .footer__container { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 900px) {
  .footer__container { grid-template-columns: 2fr 1fr 1.5fr; }
}

.footer__bottom {
  background: rgba(0,0,0,0.35);
  border-top: 1px solid var(--clr-border);
}
.footer__bottom-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--sp-3);
  padding-block: var(--sp-5);
}