:root {
  --bg: #020617;
  --bg-mid: #0f172a;
  --bg-elevated: #1e293b;
  --text: #cbd5e1;
  --heading: #f8fafc;
  --muted: #94a3b8;
  --accent: #60a5fa;
  --accent-soft: rgba(96, 165, 250, 0.14);
  --border: rgba(255, 255, 255, 0.1);
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.45);
  --chrome-h: 52px;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}

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

html {
  height: 100%;
  background-color: var(--bg);
}

body {
  height: 100%;
  margin: 0;
  overflow: hidden;
  color: var(--text);
  line-height: 1.55;
  font-size: clamp(15px, 1.9vw, 18px);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background: rgba(99, 102, 241, 0.35);
  color: var(--heading);
}

a {
  color: #818cf8;
}

a:hover {
  color: #a5b4fc;
}

.deck {
  position: fixed;
  inset: 0;
  z-index: 1;
  padding-bottom: var(--chrome-h);
  overflow: hidden;
  background-color: var(--bg);
}

.deck::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-color: var(--bg);
  background-image: radial-gradient(
      ellipse 55% 42% at 18% 22%,
      rgba(79, 70, 229, 0.35),
      transparent 58%
    ),
    radial-gradient(ellipse 50% 44% at 88% 78%, rgba(124, 58, 237, 0.32), transparent 55%),
    radial-gradient(ellipse 70% 48% at 50% -8%, rgba(49, 46, 129, 0.35), transparent 52%),
    linear-gradient(to bottom right, var(--bg-mid) 0%, #1e1b4b 48%, var(--bg-mid) 100%);
}

.deck::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.06;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 200px 200px;
  mix-blend-mode: overlay;
}

@media (prefers-reduced-motion: reduce) {
  .deck::after {
    display: none;
  }
}

.slide {
  position: absolute;
  inset: 0;
  padding: clamp(1.25rem, 4vw, 2.5rem);
  padding-bottom: calc(var(--chrome-h) + clamp(1rem, 3vw, 2rem));
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s ease, visibility 0.35s ease;
  z-index: 1;
  background: transparent;
}

.slide.is-active {
  opacity: 1;
  visibility: visible;
  z-index: 2;
}

.slide-inner {
  width: min(960px, 100%);
  max-height: 100%;
  overflow: auto;
  padding: 0.25rem 0;
}

.slide-inner--title {
  text-align: center;
}

.slide-inner--title .slide-title {
  text-align: center;
}

.slide-inner--title .slide-sub,
.slide-inner--title .slide-hint {
  margin-left: auto;
  margin-right: auto;
}

.slide-inner--cta {
  text-align: center;
}

.slide-inner--cta .slide-body {
  margin-left: auto;
  margin-right: auto;
}

.slide-contacts {
  margin-top: 2rem;
  text-align: center;
  max-width: 22rem;
  margin-left: auto;
  margin-right: auto;
}

.slide-contacts-title {
  margin: 0 0 0.35rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.slide-contacts-name {
  margin: 0 0 0.75rem;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--heading);
}

.slide-contacts-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.95rem;
}

.slide-contacts-list a {
  word-break: break-word;
}

.slide-title {
  font-size: clamp(1.75rem, 5vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin: 0 0 1rem;
  color: var(--heading);
}

.slide-h2 {
  font-size: clamp(1.35rem, 3.5vw, 2rem);
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
  color: var(--heading);
}

.slide-h2--overlay {
  flex: 0 0 auto;
  margin-bottom: 0.65rem;
}

.slide-sub {
  font-size: clamp(1rem, 2.2vw, 1.2rem);
  max-width: 36rem;
  margin: 0 0 1.25rem;
}

.slide-hint {
  font-size: 0.88rem;
  margin: 2rem 0 0;
  opacity: 0.85;
}

.slide-body {
  margin: 0;
  max-width: 44rem;
  font-size: clamp(1rem, 2.1vw, 1.15rem);
}

.slide-footer {
  margin: 2rem 0 0;
  font-size: 0.9rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  background: rgba(99, 102, 241, 0.12);
  color: #c7d2fe;
  font-size: 0.82rem;
  font-weight: 600;
  border: 1px solid rgba(99, 102, 241, 0.35);
  margin-bottom: 1rem;
}

.gradient {
  background: linear-gradient(90deg, #818cf8, #a78bfa);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.muted {
  color: var(--muted);
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.85rem;
  margin-top: 0.5rem;
}

.cards--compact .card p {
  font-size: 0.92rem;
}

.cards--benefits {
  grid-template-columns: repeat(2, 1fr);
  gap: 0.7rem;
  margin-top: 0.35rem;
}

@media (min-width: 960px) {
  .cards--benefits {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 780px) {
  .cards {
    grid-template-columns: 1fr;
  }

  .cards--benefits {
    grid-template-columns: 1fr;
  }
}

.card {
  background: linear-gradient(to bottom right, rgba(30, 27, 75, 0.45), rgba(15, 23, 42, 0.55));
  border: 1px solid rgba(99, 102, 241, 0.22);
  border-radius: var(--radius-sm);
  padding: 1rem 1.1rem;
  box-shadow: 0 0 40px -12px rgba(79, 70, 229, 0.18);
}

.card h3 {
  margin: 0 0 0.35rem;
  font-size: 1.02rem;
  color: var(--heading);
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.slide-inner--media {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  width: min(1100px, 100%);
  max-height: 100%;
  overflow: hidden;
}

.slide-media-intro {
  margin: 0 0 0.65rem;
  max-width: 52rem;
  font-size: clamp(0.88rem, 1.85vw, 1rem);
  line-height: 1.45;
}

.slide-media-intro strong {
  color: #e2e8f0;
  font-weight: 600;
}

.hero-shot {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(99, 102, 241, 0.2);
  box-shadow: var(--shadow);
  background: var(--bg-elevated);
  flex: 1;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-shot--slide {
  max-height: calc(100vh - var(--chrome-h) - 7rem);
}

.slide--media-duo .slide-media-intro {
  margin-bottom: 0.5rem;
}

.slide-media-duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
  flex: 1;
  min-height: 0;
  width: 100%;
  align-items: stretch;
}

@media (max-width: 800px) {
  .slide-media-duo {
    grid-template-columns: 1fr;
  }
}

.hero-shot--duo {
  flex: 1 1 0;
  min-height: 0;
  max-height: calc(100vh - var(--chrome-h) - 10rem);
}

.hero-shot--duo img {
  max-height: calc(100vh - var(--chrome-h) - 10rem);
}

.hero-shot img {
  display: block;
  width: 100%;
  height: auto;
  max-height: calc(100vh - var(--chrome-h) - 7rem);
  object-fit: contain;
}

.scroll-shot-wrap {
  flex: 1;
  min-height: 0;
  max-height: calc(100vh - var(--chrome-h) - 8.5rem);
  overflow: auto;
  border-radius: var(--radius);
  border: 1px solid rgba(99, 102, 241, 0.2);
  background: var(--bg-mid);
  box-shadow: var(--shadow);
  -webkit-overflow-scrolling: touch;
}

.scroll-shot {
  display: block;
  width: 100%;
  height: auto;
}

.scroll-shot-caption {
  margin: 0.5rem 0 0;
  font-size: 0.82rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  justify-content: center;
  margin-top: 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.65rem 1.25rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, filter 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: linear-gradient(135deg, #4f46e5 0%, #6366f1 45%, #7c3aed 100%);
  color: #fff;
  box-shadow: 0 0 20px -5px rgba(79, 70, 229, 0.55);
}

.btn-primary:hover {
  filter: brightness(1.07);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border);
  color: var(--text);
}

.btn-ghost:hover {
  border-color: rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.07);
}

.deck-chrome {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  height: var(--chrome-h);
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0 0.75rem;
  background: rgba(2, 6, 23, 0.55);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.deck-icon-btn {
  width: 40px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  font-size: 1.1rem;
  cursor: pointer;
}

.deck-icon-btn:hover {
  background: rgba(255, 255, 255, 0.1);
}

.deck-counter {
  font-variant-numeric: tabular-nums;
  font-size: 0.9rem;
  color: var(--muted);
  min-width: 4.5rem;
  text-align: center;
}

.deck-dots {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: 0.5rem;
  flex-wrap: wrap;
  max-width: min(40vw, 220px);
  justify-content: center;
}

.deck-dot {
  width: 8px;
  height: 8px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  cursor: pointer;
}

.deck-dot.is-active {
  background: var(--accent);
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.45);
}

.deck-fs {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  font-size: 1rem;
  cursor: pointer;
}

.deck-fs:hover {
  background: rgba(255, 255, 255, 0.1);
}