/* ============================================================
   RESET & ROOT TOKENS
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --font-primary: 'Inter', system-ui, sans-serif;

  /* Palette */
  --color-bg-overlay: rgba(5, 6, 18, 0.72);
  --color-card-bg: rgba(255, 255, 255, 0.07);
  --color-card-border: rgba(255, 255, 255, 0.13);
  --color-card-hover-bg: rgba(255, 255, 255, 0.13);
  --color-card-hover-border: rgba(255, 255, 255, 0.32);
  --color-text-primary: #f0f4ff;
  --color-text-secondary: rgba(200, 210, 240, 0.78);
  --color-accent: #6c8aff;
  --color-accent-2: #a78bfa;
  --color-hashtag: rgba(180, 200, 255, 0.62);
  --color-dot-active: #6c8aff;
  --color-dot-inactive: rgba(255, 255, 255, 0.25);
  --color-social-bg: rgba(255, 255, 255, 0.09);
  --color-social-border: rgba(255, 255, 255, 0.15);
  --color-social-hover: rgba(108, 138, 255, 0.35);

  /* Sizes */
  --radius-card: 16px;
  --radius-social: 50%;
  --blur-card: 18px;
  --blur-btn: 12px;
  --max-width: 520px;

  /* Transitions */
  --transition-fast: 0.18s ease;
  --transition-mid: 0.32s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================================
   BASE
   ============================================================ */
html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  min-height: 100dvh;
  color: var(--color-text-primary);
  overflow-x: hidden;
  position: relative;
  background: #050612;
}

/* ============================================================
   BACKGROUND
   ============================================================ */
.bg-layer {
  position: fixed;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: 0;
  transform: scale(1.04);
  transition: background-image 0.6s ease;
  /* JS injects the background-image */
}

.bg-overlay {
  position: fixed;
  inset: 0;
  background: var(--color-bg-overlay);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  z-index: 1;
}

/* ============================================================
   MAIN CONTAINER
   ============================================================ */
.container {
  position: relative;
  z-index: 2;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 48px 20px 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
  min-height: 100dvh;
}

/* ============================================================
   HEADER
   ============================================================ */
.header {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  animation: fadeSlideDown 0.7s var(--transition-mid) both;
}

/* Avatar ring */
.avatar-ring {
  width: 82px;
  height: 82px;
  border-radius: 50%;
  padding: 3px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-2));
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 32px rgba(108, 138, 255, 0.4);
  animation: pulseBorder 3s ease-in-out infinite;
}

.avatar-inner {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: rgba(10, 12, 40, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: -1px;
  user-select: none;
}

/* if avatar-ring contains an actual <img>, style it */
.avatar-ring img {
  width: 76px;
  height: 76px;
  border-radius: 50%;
  object-fit: cover;
}

.main-title {
  font-size: clamp(1.15rem, 4vw, 1.45rem);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
  text-shadow: 0 2px 18px rgba(108, 138, 255, 0.25);
}

.subtitle {
  font-size: clamp(0.82rem, 3vw, 0.95rem);
  font-weight: 400;
  color: var(--color-text-secondary);
  line-height: 1.55;
  font-style: italic;
  max-width: 380px;
}

/* ============================================================
   CAROUSEL
   ============================================================ */
.carousel-section {
  width: 100%;
  position: relative;
  animation: fadeSlideUp 0.7s 0.12s var(--transition-mid) both;
}

.carousel-wrapper {
  width: 100%;
  overflow: hidden;
  border-radius: var(--radius-card);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.45);
  aspect-ratio: 16 / 7;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-card-border);
}

.carousel-track {
  display: flex;
  height: 100%;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform;
}

.carousel-slide {
  flex: 0 0 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
}

.carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  user-select: none;
  -webkit-user-drag: none;
}

/* placeholder when image missing */
.carousel-slide-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  background: rgba(255,255,255,0.03);
  flex-direction: column;
  gap: 8px;
}

.carousel-slide-placeholder svg {
  width: 36px;
  height: 36px;
  opacity: 0.35;
}

/* Nav buttons */
.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--color-card-border);
  background: rgba(10, 12, 35, 0.65);
  backdrop-filter: blur(var(--blur-btn));
  -webkit-backdrop-filter: blur(var(--blur-btn));
  color: var(--color-text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
  outline: none;
}

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

.carousel-btn--prev { left: -14px; }
.carousel-btn--next { right: -14px; }

.carousel-btn:hover {
  background: rgba(108, 138, 255, 0.3);
  border-color: var(--color-accent);
  transform: translateY(-50%) scale(1.1);
}

.carousel-btn:active {
  transform: translateY(-50%) scale(0.96);
}

/* Dots */
.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 7px;
  margin-top: 14px;
}

.carousel-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-dot-inactive);
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast), width var(--transition-fast);
  border: none;
  padding: 0;
  outline: none;
}

.carousel-dot.active {
  background: var(--color-dot-active);
  width: 22px;
  border-radius: 4px;
  transform: none;
}

/* ============================================================
   CARDS
   ============================================================ */
.cards-section {
  width: 100%;
  animation: fadeSlideUp 0.7s 0.22s var(--transition-mid) both;
}

.cards-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  gap: 7px;
  padding: 16px 20px;
  border-radius: var(--radius-card);
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  backdrop-filter: blur(var(--blur-card));
  -webkit-backdrop-filter: blur(var(--blur-card));
  transition:
    background var(--transition-mid),
    border-color var(--transition-mid),
    transform var(--transition-mid),
    box-shadow var(--transition-mid);
  cursor: pointer;
  text-align: center;
  position: relative;
  overflow: hidden;
}

/* subtle shimmer line at top */
.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 20%;
  right: 20%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(108, 138, 255, 0.55), transparent);
  transition: opacity var(--transition-mid);
  opacity: 0;
}

.card:hover::before {
  opacity: 1;
}

.card:hover {
  background: var(--color-card-hover-bg);
  border-color: var(--color-card-hover-border);
  transform: translateY(-3px) scale(1.012);
  box-shadow: 0 12px 40px rgba(108, 138, 255, 0.18), 0 2px 8px rgba(0,0,0,0.3);
}

.card:active {
  transform: translateY(-1px) scale(1.004);
}

.card-title {
  font-size: clamp(0.95rem, 3.5vw, 1.1rem);
  font-weight: 600;
  color: var(--color-text-primary);
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.card-hashtags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
}

.card-hashtag {
  font-size: 0.72rem;
  font-weight: 400;
  color: var(--color-hashtag);
  letter-spacing: 0.01em;
}

.card-arrow {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0;
  color: var(--color-accent);
  font-size: 0.9rem;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.card:hover .card-arrow {
  opacity: 1;
  transform: translateY(-50%) translateX(3px);
}

/* ============================================================
   SOCIAL FOOTER
   ============================================================ */
.social-footer {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  animation: fadeSlideUp 0.7s 0.34s var(--transition-mid) both;
}

.social-icons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
}

.social-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-social);
  background: var(--color-social-bg);
  border: 1px solid var(--color-social-border);
  backdrop-filter: blur(var(--blur-btn));
  -webkit-backdrop-filter: blur(var(--blur-btn));
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  color: var(--color-text-primary);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
  cursor: pointer;
}

.social-icon svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.social-icon:hover {
  background: var(--color-social-hover);
  border-color: var(--color-accent);
  transform: translateY(-4px) scale(1.08);
  box-shadow: 0 8px 24px rgba(108, 138, 255, 0.25);
}

.social-icon:active {
  transform: translateY(-2px) scale(1.02);
}

.footer-copy {
  font-size: 0.7rem;
  color: rgba(200, 210, 240, 0.35);
  text-align: center;
  letter-spacing: 0.02em;
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeSlideDown {
  from { opacity: 0; transform: translateY(-24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes pulseBorder {
  0%, 100% { box-shadow: 0 0 20px rgba(108, 138, 255, 0.35); }
  50%       { box-shadow: 0 0 38px rgba(167, 139, 250, 0.55); }
}

/* ============================================================
   SCROLLBAR
   ============================================================ */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(108, 138, 255, 0.3); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(108, 138, 255, 0.55); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (min-width: 520px) {
  .container { padding: 56px 28px 72px; }
  .carousel-wrapper { aspect-ratio: 16 / 6; }
  .carousel-btn--prev { left: -18px; }
  .carousel-btn--next { right: -18px; }
  .card { padding: 18px 28px; }
}

@media (min-width: 768px) {
  .container { padding: 64px 32px 80px; }
  .card { flex-direction: row; justify-content: center; gap: 14px; }
  .card-title { min-width: 200px; text-align: right; }
  .card-hashtags { justify-content: flex-start; }
}

/* ============================================================
   TOUCH / REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}