/* ============================================================
   SyncoPro — Investor Pitch Deck (Scroll Edition)
   Design system: syncopro-design-system v1.1
   ============================================================ */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --purple: #7C3AED;
  --purple-light: #8B5CF6;
  --blue: #3B82F6;
  --dark: #111827;
  --body: #374151;
  --muted: #6B7280;
  --border: #E5E7EB;
  --surface: #F9FAFB;
  --white: #FFFFFF;
  --gradient: linear-gradient(135deg, #7C3AED 0%, #3B82F6 100%);
}

html {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}

body {
  background: #0F0F10;
  color: var(--dark);
}

/* ============================================================
   SLIDE BASE — always visible, full-height sections
   ============================================================ */

.slide {
  position: relative;
  width: 100%;
  min-height: 100vh;
  background: var(--white);
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  /* subtle visual separation between slides in scroll view */
  border-bottom: 1px solid #D1D5DB;
}

.slide-inner {
  width: 100%;
  max-width: 880px;
  margin: 0 auto;
  padding: 72px 64px;
}

.slide-inner--center {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

/* Top gradient accent line — cover + ask only */
.slide-accent-bar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient);
}

/* ============================================================
   TYPOGRAPHY
   ============================================================ */

.eyebrow {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--purple-light);
  margin-bottom: 16px;
}

.headline {
  font-size: 40px;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--dark);
  margin-bottom: 36px;
}

.headline--display {
  font-size: 52px;
  line-height: 1.1;
  margin-bottom: 24px;
}

.subhead {
  font-size: 18px;
  line-height: 1.6;
  color: var(--body);
  max-width: 560px;
  margin-bottom: 0;
}

/* ============================================================
   COVER SLIDE
   ============================================================ */

.slide--cover {
  background: var(--white);
}

.brand {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--purple);
  margin-bottom: 8px;
}

.cover-meta {
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.03em;
  margin-top: 8px;
}

/* ============================================================
   BULLETS
   ============================================================ */

.bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.bullets li {
  font-size: 17px;
  line-height: 1.55;
  color: var(--body);
  padding-left: 20px;
  position: relative;
}

.bullets li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gradient);
}

.bullets--compact li {
  font-size: 15px;
}

.bullets--compact {
  gap: 14px;
}

/* ============================================================
   PIPELINE DIAGRAM (Slide 02)
   ============================================================ */

.diagram--pipeline {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 40px 0 24px;
  flex-wrap: wrap;
}

.pipeline-node {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 18px;
  font-size: 13px;
  font-weight: 600;
  color: var(--dark);
  white-space: nowrap;
}

.pipeline-node--gap {
  background: #FEF3C7;
  border-color: #F59E0B;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 10px 16px;
}

.gap-label {
  font-size: 11px;
  font-weight: 700;
  color: #B45309;
  letter-spacing: 0.02em;
}

.gap-sublabel {
  font-size: 12px;
  font-weight: 600;
  color: #92400E;
}

.pipeline-arrow {
  color: var(--muted);
  font-size: 18px;
  font-weight: 400;
  flex-shrink: 0;
}

.diagram-caption {
  font-size: 14px;
  color: var(--muted);
  font-style: italic;
}

/* ============================================================
   THREE BLOCKS (Slides 06, 08)
   ============================================================ */

.blocks--three {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 8px;
}

.block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px 24px;
  position: relative;
}

.block::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient);
  border-radius: 12px 12px 0 0;
}

.block-num {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--purple-light);
  margin-bottom: 10px;
}

.block-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
  line-height: 1.3;
}

.block-body {
  font-size: 13px;
  line-height: 1.55;
  color: var(--body);
}

/* ============================================================
   ASK SLIDE (Slide 10)
   ============================================================ */

.slide--ask {
  background: var(--dark);
  border-color: #1F2937;
}

.slide--ask .eyebrow {
  color: rgba(139, 92, 246, 0.9);
}

.slide--ask .headline {
  color: var(--white);
}

.ask-grid {
  display: grid;
  grid-template-columns: 1fr 2fr 2fr;
  gap: 1px;
  background: rgba(255,255,255,0.08);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 36px;
}

.ask-item {
  background: rgba(255,255,255,0.04);
  padding: 28px 24px;
}

.ask-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: 10px;
}

.ask-value {
  font-size: 32px;
  font-weight: 800;
  color: var(--white);
  line-height: 1.2;
}

.ask-value--sm {
  font-size: 16px;
  font-weight: 500;
  line-height: 1.55;
  color: rgba(255,255,255,0.8);
}

.contact {
  font-size: 14px;
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.03em;
}

/* ============================================================
   DIVIDER SLIDE
   ============================================================ */

.slide--divider {
  background: var(--surface);
  border-color: var(--border);
}

/* ============================================================
   APPENDIX SLIDES
   ============================================================ */

.slide--appendix {
  background: var(--white);
}

.slide--appendix .headline {
  font-size: 32px;
}

.qa-answer {
  background: var(--surface);
  border-left: 3px solid var(--purple);
  border-radius: 0 12px 12px 0;
  padding: 28px 32px;
}

.qa-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--purple);
  margin-bottom: 14px;
}

.qa-answer p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--body);
}

.qa-answer .bullets {
  margin-top: 0;
}

.qa-answer .bullets li {
  font-size: 15px;
}

/* ============================================================
   FLOATING NAV
   ============================================================ */

.deck-nav {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 50;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
}

.deck-nav-inner {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(17, 24, 39, 0.90);
  backdrop-filter: blur(10px);
  border-radius: 100px;
  padding: 8px 16px;
}

.nav-btn {
  background: none;
  border: none;
  color: rgba(255,255,255,0.65);
  font-size: 16px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
  transition: color 150ms ease, background 150ms ease;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-btn:hover {
  color: var(--white);
  background: rgba(255,255,255,0.1);
}

.nav-btn--menu {
  font-size: 14px;
}

.nav-counter {
  font-size: 12px;
  font-weight: 500;
  color: rgba(255,255,255,0.40);
  min-width: 40px;
  text-align: center;
  letter-spacing: 0.05em;
}

/* Menu panel */
.nav-menu {
  background: rgba(17, 24, 39, 0.95);
  backdrop-filter: blur(12px);
  border-radius: 12px;
  padding: 12px 0;
  min-width: 220px;
  /* hidden by default */
  display: none;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 200ms ease, transform 200ms ease;
}

.nav-menu.is-open {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

.nav-menu-list {
  list-style: none;
  display: flex;
  flex-direction: column;
}

.nav-menu-list li a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 18px;
  font-size: 12px;
  font-weight: 500;
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  transition: color 150ms ease, background 150ms ease;
}

.nav-menu-list li a:hover {
  color: var(--white);
  background: rgba(255,255,255,0.06);
}

.nav-menu-list li a.is-active {
  color: var(--white);
  font-weight: 600;
}

.nav-menu-list li a .menu-num {
  font-size: 10px;
  color: rgba(255,255,255,0.25);
  min-width: 18px;
  font-weight: 600;
  letter-spacing: 0.05em;
}

/* ============================================================
   PRINT / PDF EXPORT
   ============================================================ */

@media print {
  body { background: white; }

  .deck-nav { display: none !important; }

  .slide {
    min-height: 100vh;
    page-break-after: always;
    page-break-inside: avoid;
    border: none;
  }

  .slide:last-child {
    page-break-after: avoid;
  }
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 768px) {
  .slide-inner {
    padding: 48px 28px;
  }

  .headline {
    font-size: 28px;
  }

  .headline--display {
    font-size: 34px;
  }

  .blocks--three {
    grid-template-columns: 1fr;
  }

  .ask-grid {
    grid-template-columns: 1fr;
  }

  .diagram--pipeline {
    gap: 6px;
  }

  .pipeline-arrow {
    display: none;
  }

  .deck-nav {
    bottom: 16px;
    right: 16px;
  }
}

/* ============================================================
   PASSWORD GATE — Slide blur/lock overlay
   ============================================================ */

/* Locked slide: blur the content, no interaction */
.slide--locked .slide-inner {
  filter: blur(10px);
  user-select: none;
  pointer-events: none;
  transition: filter 0.4s ease;
}

/* The overlay sits on top, full-slide, intercepts clicks */
.slide-lock-overlay {
  position: absolute;
  inset: 0;
  z-index: 10;
  cursor: default;
  /* Subtle gradient veil to darken the blurred content slightly */
  background: rgba(249, 250, 251, 0.30);
}

/* Lock box — only on first locked slide (slide 5) */
.slide-lock-box {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid #E5E7EB;
  border-radius: 16px;
  padding: 32px 40px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.10);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  text-align: center;
  min-width: 260px;
}

.slide-lock-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(124,58,237,0.10), rgba(59,130,246,0.08));
  border: 1px solid rgba(124,58,237,0.18);
  display: flex; align-items: center; justify-content: center;
  color: #7C3AED;
}

.slide-lock-label {
  font-size: 13px;
  font-weight: 500;
  color: #6B7280;
  letter-spacing: 0.01em;
}

.slide-lock-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 4px;
  padding: 9px 22px;
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, #7C3AED 0%, #3B82F6 100%);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: opacity 0.15s;
  font-family: inherit;
}
.slide-lock-btn:hover { opacity: 0.88; }

/* When unlocked — remove blur and overlay */
.slide--locked.slide--unlocked .slide-inner {
  filter: none;
  user-select: auto;
  pointer-events: auto;
}
.slide--locked.slide--unlocked .slide-lock-overlay {
  display: none;
}

/* ============================================================
   PASSWORD GATE MODAL — matches Product Vision design system
   ============================================================ */

:root {
  --purple: #7C3AED;
  --blue: #3B82F6;
}

.gate-backdrop {
  position: fixed; inset: 0;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 300;
  opacity: 0; pointer-events: none;
  transition: opacity 0.2s ease;
}
.gate-backdrop.open { opacity: 1; pointer-events: auto; }

.gate-modal {
  position: fixed;
  top: 50%; left: 50%;
  transform: translate(-50%, -48%) scale(0.96);
  z-index: 301;
  width: min(380px, calc(100vw - 32px));
  background: #FFFFFF;
  border: 1px solid #E5E7EB;
  border-radius: 16px;
  box-shadow: 0 24px 64px rgba(0,0,0,0.18);
  padding: 36px 32px 28px;
  display: flex; flex-direction: column; align-items: center;
  text-align: center;
  opacity: 0; pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}
.gate-modal.open {
  opacity: 1; pointer-events: auto;
  transform: translate(-50%, -50%) scale(1);
}

.gate-close {
  position: absolute;
  top: 14px; right: 14px;
  width: 28px; height: 28px;
  border-radius: 7px;
  border: 1px solid #E5E7EB;
  background: none;
  color: #6B7280;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.15s, color 0.15s;
}
.gate-close:hover { background: #F3F4F6; color: #111827; }

.gate-lock-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: rgba(124, 58, 237, 0.08);
  border: 1px solid rgba(124, 58, 237, 0.18);
  display: flex; align-items: center; justify-content: center;
  color: #7C3AED;
  margin-bottom: 18px;
}

.gate-title {
  font-size: 17px; font-weight: 700;
  color: #111827; letter-spacing: -0.02em;
  margin: 0 0 8px;
  font-family: 'Inter', -apple-system, sans-serif;
}

.gate-sub {
  font-size: 13px; color: #6B7280;
  line-height: 1.65; margin: 0 0 22px;
  font-family: 'Inter', -apple-system, sans-serif;
}

.gate-input-wrap {
  display: flex; width: 100%; gap: 8px; margin-bottom: 10px;
}

.gate-input-inner {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
}

.gate-input {
  width: 100%;
  height: 42px;
  padding: 0 38px 0 14px;
  border: 1.5px solid #E5E7EB;
  border-radius: 9px;
  background: #FFFFFF;
  color: #111827;
  font-size: 14px;
  font-family: 'Inter', -apple-system, sans-serif;
  outline: none;
  transition: border-color 0.15s;
}
.gate-input:focus { border-color: #7C3AED; }
.gate-input.shake {
  border-color: #EF4444;
  animation: gate-shake 0.35s ease;
}

@keyframes gate-shake {
  0%,100% { transform: translateX(0); }
  20%      { transform: translateX(-6px); }
  40%      { transform: translateX(6px); }
  60%      { transform: translateX(-4px); }
  80%      { transform: translateX(4px); }
}

.gate-toggle {
  position: absolute;
  right: 10px;
  width: 22px; height: 22px;
  border: none; background: none;
  color: #6B7280;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  padding: 0;
  transition: color 0.15s;
}
.gate-toggle:hover { color: #111827; }

.gate-submit {
  width: 42px; height: 42px; flex-shrink: 0;
  border-radius: 9px; border: none;
  background: linear-gradient(135deg, #7C3AED, #3B82F6);
  color: #fff; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: opacity 0.15s;
}
.gate-submit:hover { opacity: 0.88; }

.gate-error {
  font-size: 12px; color: #EF4444;
  margin: 0; height: 0; overflow: hidden;
  font-family: 'Inter', -apple-system, sans-serif;
  opacity: 0; transition: opacity 0.18s, height 0.18s, margin 0.18s;
}
.gate-error.show {
  opacity: 1;
  height: auto;
  margin: 0 0 10px;
}

.gate-hint {
  font-size: 11px; color: #6B7280; opacity: 0.55; margin: 0;
  font-family: 'Inter', -apple-system, sans-serif;
}

/* Nav menu lock icon for restricted items */
.nav-menu-list li a.is-locked {
  opacity: 0.45;
  cursor: pointer;
}
.nav-menu-list li a.is-locked::after {
  content: ' 🔒';
  font-size: 10px;
}
.nav-menu-list li a.is-locked:hover {
  opacity: 0.7;
  color: rgba(255,255,255,0.8);
  background: rgba(255,255,255,0.06);
}

/* Print: hide gate overlay */
@media print {
  .gate-backdrop, .gate-modal { display: none !important; }
  .slide--locked .slide-inner {
    filter: none !important;
    user-select: auto !important;
    pointer-events: auto !important;
  }
  .slide-lock-overlay { display: none !important; }
}