/* ============================================================
   BYNIGHT — style.css
   Tema: Dark Electronic / Club Night
   ============================================================ */

/* ── RESET & BASE ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --black:       #050505;
  --dark:        #090909;
  --surface:     #0d0d0d;
  --surface-2:   #141414;
  --border:      #1a1a1a;
  --border-light:#272727;

  --cyan:        #00d4ff;
  --cyan-bright: #5de8ff;
  --cyan-dim:    rgba(0, 212, 255, 0.10);
  --cyan-glow:   rgba(0, 212, 255, 0.22);

  --cream:       #f0f0f0;
  --cream-dim:   #888888;
  --muted:       #333333;

  --font-display: 'Bebas Neue', Impact, sans-serif;
  --font-ui:      'Space Grotesk', system-ui, sans-serif;

  --hero-h: 100svh;
  --section-pad: clamp(5rem, 10vw, 9rem);
  --container:   1200px;
  --radius:      4px;

  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--black);
  color: var(--cream);
  font-family: var(--font-ui);
  font-weight: 300;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--black); }
::-webkit-scrollbar-thumb { background: var(--cyan); border-radius: 2px; }

/* ── SELECTION ── */
::selection {
  background: var(--cyan-glow);
  color: var(--cyan-bright);
}

/* ============================================================
   HERO
   ============================================================ */
#hero {
  position: relative;
  width: 100%;
  min-height: var(--hero-h);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: radial-gradient(ellipse 80% 60% at 50% 30%, #0f0d08 0%, var(--black) 70%);
}

/* Grain texture overlay */
.grain-overlay {
  position: absolute;
  inset: -50%;
  width: 200%;
  height: 200%;
  pointer-events: none;
  z-index: 1;
  opacity: 0.055;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  animation: grain-shift 8s steps(1) infinite;
}

@keyframes grain-shift {
  0%  { transform: translate(0, 0); }
  10% { transform: translate(-2%, -3%); }
  20% { transform: translate(3%, 1%); }
  30% { transform: translate(-1%, 4%); }
  40% { transform: translate(4%, -2%); }
  50% { transform: translate(-3%, 1%); }
  60% { transform: translate(1%, -4%); }
  70% { transform: translate(-4%, 3%); }
  80% { transform: translate(2%, 2%); }
  90% { transform: translate(-1%, -2%); }
  100%{ transform: translate(0, 0); }
}

.radial-glow {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background: radial-gradient(ellipse 55% 45% at 50% 40%, rgba(0,212,255,0.07) 0%, transparent 70%);
}

/* ── HERO CONTENT ── */
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 2rem clamp(1.5rem, 6vw, 4rem);
  max-width: 860px;
  width: 100%;

  opacity: 0;
  transform: translateY(24px);
  animation: hero-in 1.1s cubic-bezier(0.22, 1, 0.36, 1) 0.2s forwards;
}

@keyframes hero-in {
  to { opacity: 1; transform: translateY(0); }
}

/* Classified stamp */
.classified-stamp {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-ui);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.35em;
  color: var(--cyan);
  border: 1px solid var(--cyan);
  padding: 0.35rem 1rem;
  border-radius: 2px;
  margin-bottom: 2.5rem;
  text-transform: uppercase;
  opacity: 0.75;
  position: relative;
}

/* Headline */
.headline {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 7rem);
  font-weight: 400;
  line-height: 1.05;
  color: var(--cream);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 2.2rem;
}

.headline em {
  font-style: normal;
  color: var(--cyan-bright);
  text-shadow: 0 0 24px rgba(0,212,255,0.45);
}

/* Date badge */
.date-badge {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.15rem;
  margin-bottom: 3rem;
}

.date-pre {
  font-family: var(--font-ui);
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--cream-dim);
}

.date-value {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
  text-shadow: 0 0 18px rgba(0,212,255,0.4);
}

/* Mystery block */
.mystery-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.2rem;
  padding: 2rem 2.5rem;
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  background: rgba(255,255,255,0.02);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  max-width: 480px;
  margin: 0 auto;
  position: relative;
}

.mystery-block::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(0,212,255,0.06) 0%, transparent 60%);
  pointer-events: none;
}

.mystery-inner {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.mystery-row {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
}

.mystery-label {
  font-family: var(--font-ui);
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--cream-dim);
}

/* THE BLURRED SECRET TEXT */
.blurred-text {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--cream);
  filter: blur(8px);
  user-select: none;
  -webkit-user-select: none;
  pointer-events: none;
  transition: filter 0.4s ease;
  position: relative;
}

.blurred-text:hover {
  filter: blur(12px);
}

.blurred-theme {
  font-size: clamp(1rem, 2.5vw, 1.4rem);
  color: var(--cyan);
  filter: blur(7px);
}

.mystery-divider {
  width: 40px;
  height: 1px;
  background: var(--border-light);
  margin: 0 auto;
}

.lock-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--cyan);
  font-family: var(--font-ui);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.7;
}

.lock-badge svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

/* ── SCROLL HINT ── */
.scroll-hint {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  z-index: 2;
  opacity: 0;
  animation: hint-in 1s ease 1.5s forwards;
}

@keyframes hint-in {
  to { opacity: 0.45; }
}

.scroll-label {
  font-family: var(--font-ui);
  font-size: 0.55rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--cream-dim);
}

.scroll-line {
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, var(--cyan), transparent);
  animation: scroll-line 2s ease-in-out 1.5s infinite;
  transform-origin: top;
}

@keyframes scroll-line {
  0%   { transform: scaleY(0); opacity: 0; }
  30%  { opacity: 1; }
  100% { transform: scaleY(1); opacity: 0; }
}

/* ============================================================
   GALLERY
   ============================================================ */
#gallery {
  padding: var(--section-pad) 0;
  background: var(--dark);
  position: relative;
  overflow: hidden;
}

#gallery::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--border-light), transparent);
}

.section-header {
  text-align: center;
  padding: 0 clamp(1.5rem, 6vw, 4rem);
  margin-bottom: clamp(3rem, 6vw, 5rem);
}

.eyebrow {
  font-family: var(--font-ui);
  font-size: 0.6rem;
  letter-spacing: 0.38em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 1rem;
  opacity: 0.8;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.8rem);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--cream);
  margin-bottom: 1rem;
}

.section-title em {
  font-style: normal;
  color: var(--cyan-bright);
}

.section-sub {
  font-family: var(--font-ui);
  font-size: 0.85rem;
  color: var(--cream-dim);
  letter-spacing: 0.04em;
  max-width: 420px;
  margin: 0 auto;
}

/* ── CAROUSEL ── */
.carousel-outer {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0;
}

.carousel-track-wrapper {
  overflow: hidden;
  flex: 1;
  cursor: grab;
}

.carousel-track-wrapper:active {
  cursor: grabbing;
}

.carousel-track {
  display: flex;
  gap: 1.2rem;
  padding: 0 clamp(1rem, 4vw, 3rem);
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  will-change: transform;
}

/* ── CAROUSEL ITEM ── */
.carousel-item {
  flex: 0 0 clamp(240px, 55vw, 420px);
  aspect-ratio: 4/5;
  border-radius: 3px;
  overflow: hidden;
  border: 1px solid var(--border);
  position: relative;
  list-style: none;
  background: var(--surface);
  transition: border-color var(--transition), transform var(--transition);
}

.carousel-item:hover {
  border-color: var(--border-light);
  transform: translateY(-3px);
}

.carousel-item img,
.carousel-item video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s ease;
}

.carousel-item:hover img {
  transform: scale(1.03);
}

.carousel-item video {
  background: var(--surface);
}

/* Placeholder quando não há mídia */
.carousel-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  color: var(--muted);
  font-family: var(--font-ui);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
}

.carousel-placeholder svg {
  width: 36px;
  height: 36px;
  opacity: 0.3;
}

/* ── CAROUSEL BUTTONS ── */
.carousel-btn {
  flex-shrink: 0;
  width: clamp(36px, 5vw, 48px);
  height: clamp(36px, 5vw, 48px);
  border-radius: 50%;
  border: 1px solid var(--border-light);
  background: rgba(10,10,10,0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--cream);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--transition), color var(--transition), background var(--transition);
  z-index: 3;
  margin: 0 0.8rem;
}

.carousel-btn svg {
  width: 18px;
  height: 18px;
}

.carousel-btn:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(0,212,255,0.08);
}

.carousel-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
  border-color: var(--border);
  color: var(--muted);
}

/* ── DOTS ── */
.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 2rem;
  padding: 0 1rem;
  flex-wrap: wrap;
}

.dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--border-light);
  border: none;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), width var(--transition);
  flex-shrink: 0;
}

.dot.active {
  background: var(--cyan);
  width: 20px;
  border-radius: 3px;
}

/* ============================================================
   FOOTER
   ============================================================ */
footer {
  position: relative;
  padding: 3.5rem clamp(1.5rem, 6vw, 4rem);
  background: var(--black);
  border-top: 1px solid var(--border);
  overflow: hidden;
}

.footer-glow {
  position: absolute;
  bottom: -60px;
  left: 50%;
  transform: translateX(-50%);
  width: 400px;
  height: 200px;
  background: radial-gradient(ellipse, rgba(0,212,255,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.footer-content {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.8rem;
  text-align: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-ui);
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cream-dim);
}

.footer-icon {
  width: 22px;
  height: 22px;
}

.footer-divider {
  width: 40px;
  height: 1px;
  background: var(--border-light);
}

.footer-credits {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-family: var(--font-ui);
  font-size: 0.75rem;
  color: var(--cream-dim);
}

.footer-credits strong {
  color: var(--cream);
  font-weight: 500;
}

.footer-credits em {
  color: var(--cyan);
  font-style: italic;
  opacity: 0.85;
}

/* ============================================================
   MOBILE
   ============================================================ */
@media (max-width: 600px) {
  .carousel-btn {
    display: none;
  }

  .carousel-track-wrapper {
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .carousel-track-wrapper::-webkit-scrollbar {
    display: none;
  }

  .carousel-item {
    scroll-snap-align: center;
    flex: 0 0 82vw;
  }

  .mystery-block {
    padding: 1.5rem 1.2rem;
  }

  .headline {
    font-size: clamp(2.2rem, 9vw, 3rem);
  }
}

@media (max-width: 400px) {
  .classified-stamp {
    font-size: 0.5rem;
    padding: 0.3rem 0.7rem;
  }
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  .grain-overlay,
  .scroll-line {
    animation: none;
  }

  .carousel-track {
    transition: none;
  }

  .hero-content {
    animation: none;
    opacity: 1;
    transform: none;
  }

  .scroll-hint {
    animation: none;
    opacity: 0.45;
  }
}