:root {
  --bg: #07111f;
  --panel: rgba(6, 14, 25, 0.42);
  --text: #f8fbff;
  --muted: rgba(248, 251, 255, 0.72);
  --accent: #ffb347;
  --dot: rgba(255, 255, 255, 0.38);
  --dot-active: #ffffff;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: var(--bg);
  color: var(--text);
}

body {
  overflow: hidden;
}

.slider {
  position: relative;
  width: 100vw;
  height: 100vh;
  background:
    radial-gradient(circle at top, rgba(255, 255, 255, 0.1), transparent 32%),
    linear-gradient(135deg, #09192e 0%, #050a13 45%, #111d34 100%);
}

.slides {
  position: relative;
  width: 100%;
  height: 100%;
}

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 900ms ease;
}

.slide.active {
  opacity: 1;
}

.slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transform: scale(1.02);
}

.overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(4, 10, 18, 0.08) 0%, rgba(4, 10, 18, 0.25) 40%, rgba(4, 10, 18, 0.66) 100%);
  pointer-events: none;
}

.caption {
  position: absolute;
  left: clamp(20px, 5vw, 64px);
  bottom: clamp(24px, 7vw, 72px);
  z-index: 2;
  max-width: min(580px, 86vw);
  padding: 20px 24px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 22px;
  background: var(--panel);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.caption-label {
  margin: 0 0 10px;
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.caption-title {
  margin: 0;
  font-size: clamp(1.6rem, 3.1vw, 3.4rem);
  line-height: 0.98;
}

.caption-text {
  margin: 14px 0 0;
  font-size: clamp(0.98rem, 1.4vw, 1.12rem);
  line-height: 1.55;
  color: var(--muted);
}

.controls {
  position: absolute;
  right: clamp(20px, 5vw, 44px);
  bottom: clamp(24px, 7vw, 40px);
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 12px;
}

.arrow {
  width: 52px;
  height: 52px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 50%;
  background: rgba(10, 18, 30, 0.48);
  color: var(--text);
  font-size: 1.4rem;
  cursor: pointer;
  backdrop-filter: blur(14px);
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.arrow:hover {
  transform: translateY(-2px);
  background: rgba(255, 179, 71, 0.16);
  border-color: rgba(255, 179, 71, 0.36);
}

.dots {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 10px;
}

.dot {
  width: 11px;
  height: 11px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: var(--dot);
  cursor: pointer;
  transition: transform 180ms ease, background 180ms ease;
}

.dot.active {
  background: var(--dot-active);
  transform: scale(1.16);
}

.speed-note {
  position: absolute;
  top: clamp(16px, 3vw, 28px);
  right: clamp(16px, 3vw, 28px);
  z-index: 3;
  padding: 12px 16px;
  border-radius: 16px;
  background: rgba(7, 13, 24, 0.42);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--muted);
  font-size: 0.95rem;
  backdrop-filter: blur(12px);
}

.speed-note code {
  color: var(--text);
}

@media (max-width: 720px) {
  .caption {
    right: 20px;
    padding: 18px;
  }

  .controls {
    left: 20px;
    right: 20px;
    justify-content: space-between;
  }

  .speed-note {
    left: 20px;
    right: 20px;
    width: auto;
  }
}