/* ============================================
   Festa de Santa Margarida — Oleiros 2026
   ============================================ */

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

:root {
  --lime: #C1CF4E;
  --navy: #0B1A2E;
}

html { font-size: 16px; }

body {
  background-color: var(--navy);
  background-image: url('../assets/images/fundo.png');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  background-repeat: no-repeat;
  overflow-x: hidden;
}

/* --- Header --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 1.5rem 2rem;
  pointer-events: none;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.site-logo {
  width: clamp(80px, 10vw, 140px);
  height: auto;
  pointer-events: auto;
  filter: drop-shadow(0 2px 10px rgba(0, 0, 0, 0.3));
}

.btn-regulamento {
  pointer-events: auto;
  display: inline-block;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--navy);
  background: var(--lime);
  padding: 0.55rem 1.2rem;
  border-radius: 6px;
  text-decoration: none;
  transition: background 0.25s, transform 0.2s, box-shadow 0.25s;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
}

.btn-regulamento:hover {
  background: #d4e35a;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
}

/* --- Showcase (scroll-driven crossfade) --- */
.showcase {
  position: relative;
  height: 260vh;
}

.showcase-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-img {
  position: absolute;
  z-index: 1;
  width: clamp(310px, 78vw, 960px);
  height: auto;
  opacity: 0;
  filter: drop-shadow(0 4px 30px rgba(0, 0, 0, 0.15));
  will-change: transform, opacity, mask-image, -webkit-mask-image;
}

.reveal-img {
  position: absolute;
  z-index: 2;
  width: clamp(320px, 80vw, 1000px);
  height: auto;
  opacity: 0;
  filter: drop-shadow(0 4px 30px rgba(0, 0, 0, 0.15));
  will-change: transform, opacity, mask-image, -webkit-mask-image;
}

.reveal-img-v2 {
  position: absolute;
  z-index: 3;
  width: clamp(320px, 80vw, 1000px);
  height: auto;
  opacity: 0;
  filter: drop-shadow(0 4px 30px rgba(0, 0, 0, 0.15));
  will-change: transform, opacity;
}

/* --- Flower (intro only, JS-controlled) --- */
.flower {
  position: fixed;
  left: 0;
  top: 0;
  width: 100px;
  height: auto;
  z-index: 50;
  pointer-events: none;
  opacity: 0;
  will-change: transform, opacity;
  filter:
    drop-shadow(0 0 10px rgba(193, 207, 78, 0.35))
    drop-shadow(0 0 25px rgba(193, 207, 78, 0.12));
}

/* --- Ambient glow --- */
.glow {
  position: fixed;
  left: 0;
  top: 0;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(193, 207, 78, 0.10) 0%,
    rgba(193, 207, 78, 0.03) 40%,
    transparent 70%
  );
  pointer-events: none;
  z-index: 1;
  opacity: 0;
  will-change: transform, opacity;
}

/* --- Floating particles --- */
.particle {
  position: fixed;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  pointer-events: none;
  z-index: 0;
  opacity: 0;
  animation: particleFloat linear infinite;
}

@keyframes particleFloat {
  0%   { transform: translateY(0) translateX(0); opacity: 0; }
  8%   { opacity: var(--p-opacity, 0.12); }
  88%  { opacity: var(--p-opacity, 0.12); }
  100% { transform: translateY(-105vh) translateX(30px); opacity: 0; }
}

/* --- Footer --- */
.site-footer {
  text-align: center;
}

.footer-dev {
  background: #fff;
  padding: 1.5rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.footer-dev-label {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #888;
}

.footer-logo {
  height: 36px;
  width: auto;
}

.footer-copy {
  background: linear-gradient(135deg, #8a9436, #a3b13e, #8a9436);
  padding: 0.75rem 1.5rem;
}

.footer-copy p {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.85);
  letter-spacing: 0.02em;
  line-height: 1.6;
}

.footer-copy strong {
  color: #fff;
  font-weight: 600;
}

.footer-copy a {
  color: inherit;
  text-decoration: none;
}

/* --- Scroll hint --- */
.scroll-hint {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 50;
  opacity: 0;
  animation: fadeIn 1s ease-out 2.5s forwards;
  transition: opacity 0.5s;
}

.scroll-hint.hidden {
  opacity: 0 !important;
  pointer-events: none;
}

.scroll-arrow {
  width: 18px;
  height: 18px;
  border-right: 2px solid rgba(255, 255, 255, 0.35);
  border-bottom: 2px solid rgba(255, 255, 255, 0.35);
  transform: rotate(45deg);
  animation: bounceArrow 1.5s ease-in-out infinite;
}

@keyframes bounceArrow {
  0%, 100% { transform: rotate(45deg) translateY(0); }
  50%      { transform: rotate(45deg) translateY(6px); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* --- Responsive --- */
@media (max-width: 600px) {
  .site-header { padding: 1rem 1.2rem; }
  .site-logo { width: 80px; }
  .hero-img { width: 93vw; }
  .reveal-img { width: 94vw; }
  .reveal-img-v2 { width: 94vw; }
  .showcase { height: 180vh; }
}