/* LTB 2025 Impact Report — Shared Styles */
@import url('https://fonts.googleapis.com/css2?family=Crimson+Text:ital,wght@0,400;0,600;0,700;1,400;1,600&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&display=swap');

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

:root {
  --blue: #2563EB;
  --sky: #93C5FD;
  --cloud: #DBEAFE;
  --midnight: #111827;
  --orange: #F04E23;
  --white: #FFFFFF;
  --warm-white: #FAFBFC;
  --light-gray: #F3F4F6;
  --mid-gray: #9CA3AF;
  --dark-gray: #374151;
  --font-serif: 'Crimson Text', Georgia, serif;
  --font-sans: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
}

html, body {
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  font-family: var(--font-sans);
  color: var(--midnight);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============ SLIDE CONTAINER ============ */
.slide {
  width: 100vw;
  height: 100vh;
  display: flex;
  position: relative;
  overflow: hidden;
  -webkit-print-color-adjust: exact;
  print-color-adjust: exact;
}

.slide--dark {
  background: var(--midnight);
  color: var(--white);
}

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

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

.slide--cloud {
  background: var(--cloud);
  color: var(--midnight);
}

.slide--warm {
  background: var(--warm-white);
  color: var(--midnight);
}

/* ============ TYPOGRAPHY ============ */
h1, h2, h3 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.mega {
  font-size: clamp(4rem, 8vw, 9rem);
  font-weight: 700;
  line-height: 0.95;
}

.huge {
  font-size: clamp(3rem, 6vw, 6.5rem);
  font-weight: 700;
  line-height: 1;
}

.big {
  font-size: clamp(2rem, 4vw, 4rem);
  font-weight: 600;
}

.medium {
  font-size: clamp(1.25rem, 2vw, 2rem);
  font-weight: 400;
  line-height: 1.4;
}

.small {
  font-size: clamp(0.85rem, 1.1vw, 1.1rem);
  font-weight: 400;
  line-height: 1.5;
  color: var(--mid-gray);
}

.accent { color: var(--orange); }
.blue-text { color: var(--blue); }
.sky-text { color: var(--sky); }
.white-text { color: var(--white); }

.serif { font-family: var(--font-serif); }
.sans { font-family: var(--font-sans); }
.italic { font-style: italic; }
.bold { font-weight: 700; }
.light { font-weight: 300; }
.uppercase { text-transform: uppercase; letter-spacing: 0.12em; }

/* ============ LAYOUT ============ */
.pad { padding: clamp(2rem, 5vw, 5rem); }
.pad-lg { padding: clamp(3rem, 6vw, 7rem); }
.center { display: flex; align-items: center; justify-content: center; }
.col { flex-direction: column; }
.gap-sm { gap: 0.75rem; }
.gap { gap: 1.5rem; }
.gap-lg { gap: 3rem; }
.flex-1 { flex: 1; }
.text-center { text-align: center; }
.text-right { text-align: right; }

/* ============ SLIDE NUMBER ============ */
.slide-number {
  position: fixed;
  bottom: clamp(1rem, 2vw, 2rem);
  right: clamp(1rem, 2vw, 2rem);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  opacity: 0.35;
  z-index: 100;
  user-select: none;
}

.slide--dark .slide-number,
.slide--blue .slide-number {
  color: var(--white);
}

/* ============ NAVIGATION ============ */
.nav-arrow {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.06);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.3s, background 0.2s;
  z-index: 200;
  text-decoration: none;
  font-size: 1.2rem;
  color: var(--midnight);
}

.slide--dark .nav-arrow,
.slide--blue .nav-arrow {
  background: rgba(255,255,255,0.1);
  color: var(--white);
}

.nav-arrow:hover {
  background: rgba(0,0,0,0.12);
}

.slide--dark .nav-arrow:hover,
.slide--blue .nav-arrow:hover {
  background: rgba(255,255,255,0.2);
}

body:hover .nav-arrow,
.nav-arrow:focus {
  opacity: 1;
}

.nav-prev { left: clamp(0.75rem, 1.5vw, 1.5rem); }
.nav-next { right: clamp(0.75rem, 1.5vw, 1.5rem); }

/* ============ ANIMATIONS ============ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-40px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.85); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes growWidth {
  from { width: 0; }
}

@keyframes growHeight {
  from { height: 0; }
}

@keyframes countPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.02); }
}

.anim-fade-up {
  opacity: 0;
  animation: fadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.anim-fade-in {
  opacity: 0;
  animation: fadeIn 0.6s ease forwards;
}

.anim-slide-left {
  opacity: 0;
  animation: slideInLeft 0.7s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.anim-slide-right {
  opacity: 0;
  animation: slideInRight 0.7s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.anim-scale {
  opacity: 0;
  animation: scaleIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.d1 { animation-delay: 0.1s; }
.d2 { animation-delay: 0.2s; }
.d3 { animation-delay: 0.35s; }
.d4 { animation-delay: 0.5s; }
.d5 { animation-delay: 0.65s; }
.d6 { animation-delay: 0.8s; }
.d7 { animation-delay: 0.95s; }
.d8 { animation-delay: 1.1s; }
.d9 { animation-delay: 1.25s; }
.d10 { animation-delay: 1.4s; }

/* ============ DECORATIVE ============ */
.rule {
  width: 60px;
  height: 3px;
  background: var(--orange);
  border: none;
  border-radius: 2px;
}

.rule--blue { background: var(--blue); }
.rule--white { background: var(--white); }
.rule--wide { width: 100px; }

.tag {
  display: inline-block;
  padding: 0.3em 0.9em;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.tag--blue { background: var(--blue); color: var(--white); }
.tag--orange { background: var(--orange); color: var(--white); }
.tag--outline { background: transparent; border: 1.5px solid currentColor; }

/* ============ CARD ============ */
.card {
  background: var(--white);
  border-radius: 16px;
  padding: clamp(1.5rem, 2.5vw, 2.5rem);
  box-shadow: 0 1px 3px rgba(0,0,0,0.04), 0 8px 24px rgba(0,0,0,0.06);
}

.card--blue {
  background: var(--blue);
  color: var(--white);
}

.card--cloud {
  background: var(--cloud);
  color: var(--midnight);
  box-shadow: none;
}

/* ============ PRINT ============ */
@media print {
  .nav-arrow { display: none !important; }
  .slide-number { opacity: 1; }
  body, html { overflow: visible; }
}