:root {
  --navy: #0f1f4b;
  --navy-700: #1b2f63;
  --brand: #39c5d4;
  --brand-600: #1ba9ba;
  --amber: #f59e0b;
  --canvas: #f7f8fa;
  --surface: rgba(255, 255, 255, 0.88);
  --surface-strong: rgba(255, 255, 255, 0.96);
  --muted: #6b7280;
  --border: rgba(15, 31, 75, 0.08);
  --shadow: 0 18px 60px rgba(15, 31, 75, 0.08);
  --shadow-soft: 0 12px 40px rgba(15, 31, 75, 0.05);
  --radius-xl: 30px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --transition: 220ms ease;
}

* { box-sizing: border-box; }
html { background: var(--canvas); color: var(--navy); }
body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, "Segoe UI", -apple-system, BlinkMacSystemFont, sans-serif;
  -webkit-font-smoothing: antialiased;
  letter-spacing: -0.01em;
}
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
button { cursor: pointer; }
img { display: block; max-width: 100%; }

.pitch-shell {
  position: relative;
  min-height: 100vh;
  overflow-x: hidden;
  background:
    radial-gradient(circle at top left, rgba(57, 197, 212, 0.14), transparent 28%),
    radial-gradient(circle at bottom right, rgba(15, 31, 75, 0.10), transparent 30%),
    radial-gradient(circle at 82% 14%, rgba(245, 158, 11, 0.12), transparent 18%),
    var(--canvas);
}

.pitch-shell::before,
.pitch-shell::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.pitch-shell::before {
  inset: 10% 9% 12%;
  border-radius: 44px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.42), rgba(255, 255, 255, 0.14));
  opacity: 0.62;
}

.pitch-shell::after {
  inset: 0;
  background:
    radial-gradient(ellipse 28% 44% at 50% 46%, rgba(57, 197, 212, 0.14) 0%, transparent 70%),
    radial-gradient(ellipse 16% 20% at 76% 30%, rgba(245, 158, 11, 0.14) 0%, transparent 72%),
    linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.18) 50%, transparent 100%);
  opacity: 0.55;
}

.pitch-shell .ambient-lines,
.pitch-shell .ambient-panels,
.pitch-shell .ambient-dots {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.pitch-shell .ambient-lines::before,
.pitch-shell .ambient-lines::after,
.pitch-shell .ambient-panels::before,
.pitch-shell .ambient-panels::after,
.pitch-shell .ambient-dots::before,
.pitch-shell .ambient-dots::after {
  content: "";
  position: absolute;
}

.pitch-shell .ambient-lines::before {
  inset: 18% auto 18% 50%;
  width: 2px;
  transform: translateX(-50%);
  background: linear-gradient(180deg, transparent, rgba(57, 197, 212, 0.34), transparent);
}

.pitch-shell .ambient-lines::after {
  inset: 18% auto 18% 16%;
  width: 1px;
  background: linear-gradient(180deg, transparent, rgba(15, 31, 75, 0.12), transparent);
  box-shadow: calc(68vw) 0 0 rgba(15, 31, 75, 0.12);
}

.pitch-shell .ambient-panels::before {
  left: 12%;
  top: 18%;
  width: 18%;
  height: 20%;
  border-radius: 24px;
  border: 1px solid rgba(57, 197, 212, 0.15);
  background: rgba(255, 255, 255, 0.18);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.14);
}

.pitch-shell .ambient-panels::after {
  right: 12%;
  top: 20%;
  width: 19%;
  height: 18%;
  border-radius: 24px;
  border: 1px solid rgba(15, 31, 75, 0.1);
  background: rgba(255, 255, 255, 0.14);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.12);
}

.pitch-shell .ambient-dots::before {
  left: 26%;
  top: 21%;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: rgba(245, 158, 11, 0.45);
  box-shadow: 0 0 22px rgba(245, 158, 11, 0.45);
}

.pitch-shell .ambient-dots::after {
  right: 24%;
  top: 28%;
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: rgba(245, 158, 11, 0.45);
  box-shadow: 0 0 24px rgba(245, 158, 11, 0.42);
}

.landing {
  position: relative;
  z-index: 1;
  width: min(100%, 1120px);
  min-height: 100vh;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 64px 24px;
  text-align: center;
}

.landing-brand {
  position: absolute;
  top: 28px;
  left: 50%;
  z-index: 2;
  transform: translateX(-50%);
}

@media (max-width: 720px) {
  .landing {
    min-height: 100svh;
    padding: 96px 16px 32px;
  }

  .landing-brand {
    top: 20px;
  }
}

.brand-pill,
.deck-pill {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.8);
  border-radius: 999px;
  padding: 12px 16px;
  backdrop-filter: blur(12px);
  box-shadow: 0 8px 24px rgba(15, 31, 75, 0.04);
}

.brand-pill img,
.deck-pill img {
  height: 24px;
  width: auto;
}

.pill-label {
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--muted);
}

.landing-kicker,
.slide-eyebrow {
  margin-bottom: 16px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--brand);
}

.landing-title {
  margin: 0;
  max-width: 980px;
  font-size: clamp(2.8rem, 6vw, 5rem);
  line-height: 0.96;
  letter-spacing: -0.05em;
}

.landing-copy {
  max-width: 720px;
  margin: 20px 0 0;
  font-size: 16px;
  line-height: 1.9;
  color: var(--muted);
}

.language-grid {
  width: min(100%, 860px);
  margin-top: 48px;
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.language-card,
.info-card,
.content-card,
.quote-card,
.stats-card {
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(12px);
}

.language-card {
  display: block;
  text-align: left;
  border-radius: 28px;
  padding: 24px;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.language-card:hover {
  transform: translateY(-4px);
  border-color: rgba(57, 197, 212, 0.3);
  box-shadow: 0 20px 60px rgba(15, 31, 75, 0.08);
}

.language-flag { font-size: 28px; line-height: 1; }
.language-bar {
  width: 40px;
  height: 3px;
  margin: 20px 0 28px;
  border-radius: 999px;
  background: var(--brand);
  transition: width var(--transition);
}
.language-card:hover .language-bar { width: 56px; }
.language-label {
  font-size: 18px;
  font-weight: 700;
}
.language-note {
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}
.language-cta {
  margin-top: 30px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--brand);
}

.deck-root {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
}

.deck-progress {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 30;
  height: 3px;
  width: 0;
  background: linear-gradient(90deg, #39c5d4, #1b2f63);
  transition: width 500ms ease;
}

.deck-header {
  position: absolute;
  inset: 0 0 auto;
  z-index: 30;
}

.deck-header-inner {
  width: min(100%, 1280px);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
}

.deck-counter {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.deck-arrow {
  position: absolute;
  top: 50%;
  z-index: 30;
  width: 44px;
  height: 44px;
  transform: translateY(-50%);
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.82);
  color: var(--navy);
  box-shadow: 0 10px 28px rgba(15, 31, 75, 0.06);
  backdrop-filter: blur(12px);
  transition: color var(--transition), border-color var(--transition), opacity var(--transition);
}

.deck-arrow:hover {
  color: var(--brand);
  border-color: rgba(57, 197, 212, 0.32);
}

.deck-arrow[disabled] {
  opacity: 0;
  pointer-events: none;
}

.deck-arrow.prev { left: 16px; }
.deck-arrow.next { right: 16px; }

.deck-viewport {
  position: relative;
  z-index: 10;
  height: 100vh;
  overflow: hidden;
}

.deck-slide {
  position: absolute;
  inset: 0;
  overflow: hidden;
  padding: 88px 24px 120px;
  opacity: 0;
  pointer-events: none;
  transform: translateX(48px);
  transition: transform 500ms ease, opacity 500ms ease;
}

.deck-slide.is-active {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(0);
}

.deck-slide.is-before { transform: translateX(-48px); }

.slide-frame {
  width: min(100%, 1280px);
  min-height: 100%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.slide-grid-cover,
.slide-grid-problem,
.slide-grid-split,
.slide-grid-demo {
  display: grid;
  gap: 40px;
}

.slide-grid-cover { grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr); align-items: end; }
.slide-grid-problem { grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr); align-items: start; }
.slide-grid-split { grid-template-columns: minmax(0, 1fr) minmax(0, 0.95fr); align-items: start; }
.slide-grid-demo { grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); align-items: start; }

.cover-title,
.slide-title {
  margin: 0;
  color: var(--navy);
  letter-spacing: -0.05em;
}

.cover-title {
  max-width: 900px;
  font-size: clamp(2.9rem, 6vw, 5.6rem);
  line-height: 0.96;
}

.slide-title {
  margin-bottom: 20px;
  font-size: clamp(2rem, 3vw, 3.3rem);
  line-height: 0.98;
}

.cover-copy,
.slide-copy,
.bullet-text,
.quote-text,
.demo-body,
.stats-value,
.info-value {
  color: var(--muted);
}

.cover-copy {
  max-width: 760px;
  margin-top: 22px;
  font-size: 17px;
  line-height: 1.9;
}

.slide-copy {
  max-width: 860px;
  font-size: 15px;
  line-height: 1.85;
}

.slide-header.center {
  max-width: 920px;
  margin: 0 auto;
  text-align: center;
}

.slide-header.left {
  max-width: 760px;
  text-align: left;
}

.surface-card {
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.cover-stats {
  padding: 28px;
}

.cover-stats-list,
.stack-list {
  display: grid;
  gap: 18px;
}

.stat-row + .stat-row {
  border-top: 1px solid var(--border);
  padding-top: 18px;
}

.stat-label,
.card-label {
  margin-bottom: 8px;
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}

.stat-value,
.card-value {
  font-size: 16px;
  font-weight: 700;
  color: var(--navy);
}

.cards-grid {
  display: grid;
  gap: 16px;
}

.cards-grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.cards-grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.content-card,
.stats-card,
.info-card,
.quote-card {
  border-radius: var(--radius-lg);
  padding: 22px;
}

.problem-stack {
  display: grid;
  gap: 18px;
}

.problem-title {
  margin-bottom: 8px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.bullet-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 16px;
}

.bullet-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.bullet-dot {
  flex: 0 0 auto;
  width: 6px;
  height: 6px;
  margin-top: 10px;
  border-radius: 999px;
}

.quote-card {
  background: rgba(57, 197, 212, 0.06);
}

.quote-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--navy);
}

.simple-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.simple-card-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--navy);
}

.accent-bar {
  width: 40px;
  height: 3px;
  margin-bottom: 14px;
  border-radius: 999px;
}

.center-stack {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 780px;
  margin: 0 auto;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button-primary,
.button-secondary {
  border-radius: 999px;
  padding: 14px 24px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  transition: background-color var(--transition), border-color var(--transition), color var(--transition);
}

.button-primary {
  border: 1px solid transparent;
  background: var(--navy);
  color: white;
}

.button-primary:hover { background: var(--brand); }

.button-secondary {
  border: 1px solid rgba(15, 31, 75, 0.12);
  background: transparent;
  color: var(--navy);
}

.button-secondary:hover {
  color: var(--brand);
  border-color: rgba(57, 197, 212, 0.32);
}

.contact-grid {
  display: grid;
  gap: 16px;
}

.contact-card {
  display: block;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 22px;
  box-shadow: var(--shadow-soft);
  transition: border-color var(--transition);
}

.contact-card:hover { border-color: rgba(57, 197, 212, 0.3); }

.contact-card.linkedin {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.social-badge {
  width: 44px;
  height: 44px;
  border-radius: 999px;
  border: 1px solid rgba(15, 31, 75, 0.12);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

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

.deck-dots {
  position: absolute;
  left: 50%;
  bottom: 22px;
  z-index: 30;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.82);
  padding: 10px 14px;
  box-shadow: 0 10px 28px rgba(15, 31, 75, 0.06);
  backdrop-filter: blur(12px);
}

.dot {
  width: 8px;
  height: 8px;
  border: 0;
  border-radius: 999px;
  background: rgba(15, 31, 75, 0.18);
  padding: 0;
  transition: all var(--transition);
}

.dot:hover { background: rgba(15, 31, 75, 0.38); }
.dot.is-active {
  width: 28px;
  height: 10px;
  background: var(--brand);
}

.mobile-counter {
  min-width: 40px;
  text-align: center;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(10, 18, 44, 0.34);
  backdrop-filter: blur(8px);
}

.modal-backdrop.is-open { display: flex; }

.modal-card {
  width: min(100%, 760px);
  border-radius: 30px;
  border: 1px solid rgba(15, 31, 75, 0.08);
  background: var(--surface-strong);
  padding: 28px;
  box-shadow: 0 30px 90px rgba(15, 31, 75, 0.22);
}

.modal-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
}

.modal-kicker {
  margin-bottom: 8px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--brand);
}

.modal-title {
  margin: 0;
  font-size: 1.6rem;
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.modal-close {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid rgba(15, 31, 75, 0.1);
  background: transparent;
  color: var(--navy);
}

.modal-close:hover {
  color: var(--brand);
  border-color: rgba(57, 197, 212, 0.32);
}

.modal-form-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.field {
  display: grid;
  gap: 8px;
}

.field-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.field-input,
.field-textarea {
  width: 100%;
  border-radius: 18px;
  border: 1px solid rgba(15, 31, 75, 0.1);
  background: white;
  color: var(--navy);
  padding: 14px 16px;
  outline: none;
  transition: border-color var(--transition);
}

.field-input:focus,
.field-textarea:focus { border-color: var(--brand); }
.field-textarea {
  min-height: 180px;
  resize: vertical;
  border-radius: 22px;
  line-height: 1.65;
}

.modal-actions {
  margin-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.modal-mail {
  font-size: 13px;
  color: var(--muted);
}

.modal-mail:hover { color: var(--brand); }

.modal-buttons {
  display: flex;
  gap: 12px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 1080px) {
  .slide-grid-cover,
  .slide-grid-problem,
  .slide-grid-split,
  .slide-grid-demo,
  .cards-grid.cols-3,
  .simple-grid {
    grid-template-columns: 1fr;
  }

  .cards-grid.cols-2 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .deck-header-inner {
    padding: 12px 14px;
  }

  .deck-pill img {
    height: 18px;
  }

  .deck-pill .pill-label {
    display: none;
  }

  .deck-counter {
    font-size: 10px;
  }

  .deck-slide {
    padding: 64px 40px 56px;
    display: flex;
    align-items: center;
  }

  .slide-frame {
    max-height: 100%;
    overflow: hidden;
  }

  .deck-arrow {
    width: 30px;
    height: 30px;
    background: rgba(255, 255, 255, 0.7);
    box-shadow: none;
    font-size: 12px;
  }

  .deck-arrow.prev { left: 6px; }
  .deck-arrow.next { right: 6px; }

  .deck-dots {
    bottom: 14px;
    padding: 8px 10px;
    gap: 6px;
  }

  .dot {
    width: 6px;
    height: 6px;
  }

  .dot.is-active {
    width: 20px;
    height: 7px;
  }

  .cover-title,
  .slide-title {
    font-size: clamp(1.45rem, 6vw, 2rem);
    line-height: 1.08;
    margin-bottom: 10px;
  }

  .cover-copy,
  .slide-copy {
    font-size: 13px;
    line-height: 1.45;
    margin-top: 8px;
  }

  .slide-eyebrow {
    margin-bottom: 8px;
    font-size: 10px;
  }

  .slide-grid-cover,
  .slide-grid-problem,
  .slide-grid-split,
  .slide-grid-demo,
  .cards-grid.cols-3,
  .cards-grid.cols-2,
  .simple-grid {
    gap: 10px;
  }

  .content-card,
  .stats-card,
  .info-card,
  .quote-card {
    padding: 12px;
    border-radius: 14px;
  }

  .cover-stats {
    padding: 14px;
  }

  .cover-stats-list,
  .stack-list,
  .problem-stack {
    gap: 8px;
  }

  .stat-row + .stat-row {
    padding-top: 8px;
  }

  .stat-label,
  .card-label,
  .problem-title {
    font-size: 9px;
    margin-bottom: 4px;
  }

  .stat-value,
  .card-value {
    font-size: 13px;
  }

  .bullet-list {
    gap: 8px;
  }

  .bullet-item,
  .simple-card-text,
  .quote-text {
    font-size: 12px;
    line-height: 1.42;
  }

  .bullet-dot {
    margin-top: 6px;
  }

  .accent-bar {
    margin-bottom: 8px;
  }

  .cta-row {
    margin-top: 4px;
  }

  .button-primary,
  .button-secondary {
    padding: 10px 16px;
    font-size: 10px;
  }

  .modal-backdrop {
    align-items: flex-end;
    padding: 12px;
  }

  .modal-card {
    padding: 22px;
    border-radius: 28px;
    max-height: 86svh;
    overflow-y: auto;
  }

  .field-textarea {
    min-height: 100px;
  }

  .modal-form-grid,
  .modal-actions,
  .modal-buttons {
    grid-template-columns: 1fr;
    flex-direction: column;
    align-items: stretch;
  }

  .modal-buttons {
    width: 100%;
  }

  .landing-title {
    font-size: clamp(1.7rem, 8vw, 2.4rem);
  }

  .landing-copy {
    margin-top: 12px;
    font-size: 13px;
    line-height: 1.6;
  }

  .language-grid {
    margin-top: 24px;
    gap: 8px;
  }

  .language-card {
    border-radius: 16px;
    padding: 12px 10px;
  }

  .language-flag {
    font-size: 18px;
  }

  .language-bar {
    width: 24px;
    height: 2px;
    margin: 10px 0 12px;
  }

  .language-card:hover .language-bar {
    width: 24px;
  }

  .language-label {
    font-size: 13px;
  }

  .language-note {
    margin-top: 4px;
    font-size: 11px;
    line-height: 1.4;
  }

  .language-cta {
    margin-top: 12px;
    font-size: 9px;
    letter-spacing: 0.14em;
  }
}