/* ============================================================
   GLOBALIZATION PRESENTATION — STYLES
   Palette: Indigo Ink + Gold accents
   Fonts: Cormorant Garamond (display) + Manrope (body)
   ============================================================ */

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

:root {
  --deep:    #0D0820;
  --indigo:  #1B0A3C;
  --violet:  #3D1E7C;
  --purple:  #7B68EE;
  --lavender:#E8E0F0;
  --gold:    #C9A84C;
  --gold-lt: #F0D080;
  --cream:   #F5F0EB;
  --white:   #FFFFFF;
  --red:     #E05252;
  --orange:  #E07A30;
  --green:   #4CAF7D;
}

html, body {
  width: 100%; height: 100%;
  overflow: hidden;
  background: var(--deep);
  font-family: 'Manrope', sans-serif;
  color: var(--cream);
}

/* ── PROGRESS BAR ── */
.progress-bar {
  position: fixed; top: 0; left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--purple));
  width: 12.5%;
  z-index: 1000;
  transition: width 0.5s cubic-bezier(.4,0,.2,1);
}

/* ── SLIDE COUNTER ── */
.slide-counter {
  position: fixed; top: 18px; right: 24px;
  font-family: 'Manrope', sans-serif;
  font-size: 12px; font-weight: 700;
  letter-spacing: 2px;
  color: rgba(255,255,255,0.4);
  z-index: 1000;
}

/* ── KEY HINT ── */
.key-hint {
  position: fixed; bottom: 18px; left: 50%;
  transform: translateX(-50%);
  font-size: 11px; font-weight: 500;
  letter-spacing: 1.5px;
  color: rgba(255,255,255,0.25);
  z-index: 1000;
  text-transform: uppercase;
}

/* ── NAV BUTTONS ── */
.nav-btn {
  position: fixed; top: 50%; transform: translateY(-50%);
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.05);
  color: rgba(255,255,255,0.6);
  font-size: 18px;
  cursor: pointer;
  z-index: 1000;
  transition: all 0.25s ease;
  backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
}
.nav-btn:hover {
  background: rgba(201,168,76,0.2);
  border-color: var(--gold);
  color: var(--gold);
  transform: translateY(-50%) scale(1.1);
}
.nav-prev { left: 16px; }
.nav-next { right: 16px; }

/* ── SLIDES ── */
.slide {
  position: fixed; inset: 0;
  width: 100vw; height: 100vh;
  display: flex; align-items: center; justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.6s cubic-bezier(.4,0,.2,1), transform 0.6s cubic-bezier(.4,0,.2,1);
  transform: translateX(60px);
  overflow: hidden;
}
.slide.active {
  opacity: 1;
  pointer-events: all;
  transform: translateX(0);
}
.slide.exit {
  opacity: 0;
  transform: translateX(-60px);
}

/* ── SLIDE BACKGROUNDS ── */
.slide-bg {
  position: absolute; inset: 0;
  z-index: 0;
}
.s1-bg {
  background: radial-gradient(ellipse at 30% 50%, #2a0f5e 0%, #0D0820 60%),
              radial-gradient(ellipse at 80% 20%, #1a0840 0%, transparent 50%);
}
.s2-bg {
  background: linear-gradient(135deg, #0D0820 0%, #1B0A3C 50%, #0f1535 100%);
}
.s3-bg {
  background: radial-gradient(ellipse at 70% 30%, #1a0840 0%, #0D0820 70%);
}
.s4-bg {
  background: linear-gradient(160deg, #0D0820 0%, #1a0535 40%, #0a1020 100%);
}
.s5-bg {
  background: radial-gradient(ellipse at 20% 60%, #1B0A3C 0%, #0D0820 60%);
}
.s6-bg {
  background: linear-gradient(145deg, #0a0a1a 0%, #1B0A3C 60%, #0D0820 100%);
}
.s7-bg {
  background: radial-gradient(ellipse at 50% 50%, #1B0A3C 0%, #0D0820 70%);
}
.s8-bg {
  background: radial-gradient(ellipse at 50% 40%, #2a0f5e 0%, #0D0820 65%);
}

/* ── DECORATIVE RINGS ── */
.globe-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(201,168,76,0.12);
  animation: ringPulse 6s ease-in-out infinite;
  pointer-events: none;
}
.ring1 { width: 500px; height: 500px; top: 50%; left: 50%; transform: translate(-50%,-50%); animation-delay: 0s; }
.ring2 { width: 750px; height: 750px; top: 50%; left: 50%; transform: translate(-50%,-50%); animation-delay: 1.5s; }
.ring3 { width: 1000px; height: 1000px; top: 50%; left: 50%; transform: translate(-50%,-50%); animation-delay: 3s; }
.slow { animation-duration: 10s; }

@keyframes ringPulse {
  0%, 100% { opacity: 0.3; transform: translate(-50%,-50%) scale(1); }
  50% { opacity: 0.7; transform: translate(-50%,-50%) scale(1.03); }
}

/* ── SLIDE NUMBER BG ── */
.slide-number-bg {
  position: absolute;
  bottom: -20px; right: 30px;
  font-family: 'Cormorant Garamond', serif;
  font-size: 180px;
  font-weight: 700;
  color: rgba(255,255,255,0.03);
  line-height: 1;
  pointer-events: none;
  z-index: 0;
  user-select: none;
}

/* ── ANIMATE IN ── */
.animate-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.slide.active .animate-in { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.25s; }
.delay-3 { transition-delay: 0.4s; }
.delay-4 { transition-delay: 0.55s; }
.delay-5 { transition-delay: 0.7s; }
.delay-6 { transition-delay: 0.85s; }
.delay-7 { transition-delay: 1.0s; }
.delay-8 { transition-delay: 1.15s; }

/* ── SLIDE CONTENT WRAPPER ── */
.slide-content {
  position: relative; z-index: 2;
  width: 90%; max-width: 1100px;
  padding: 20px 0;
}

/* ── COMMON LABELS ── */
.slide-label {
  font-family: 'Manrope', sans-serif;
  font-size: 11px; font-weight: 700;
  letter-spacing: 3px;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 12px;
}

/* ── COMMON TITLES ── */
.slide-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(32px, 4.5vw, 52px);
  font-weight: 600;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 16px;
}
.slide-title em {
  font-style: italic;
  color: var(--gold);
}

/* ── COMMON INTRO ── */
.slide-intro {
  font-size: clamp(13px, 1.4vw, 15px);
  font-weight: 400;
  color: rgba(245,240,235,0.75);
  line-height: 1.7;
  max-width: 780px;
  margin-bottom: 28px;
}

/* ============================================================
   SLIDE 1 — TITLE
   ============================================================ */
.s1-content {
  position: relative; z-index: 2;
  text-align: center;
  display: flex; flex-direction: column; align-items: center;
}
.s1-tag {
  font-size: 11px; font-weight: 700;
  letter-spacing: 3px; text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
}
.s1-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(42px, 7vw, 88px);
  font-weight: 700;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 16px;
}
.s1-title em {
  font-style: italic;
  background: linear-gradient(135deg, var(--gold), var(--gold-lt));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.s1-subtitle {
  font-size: clamp(14px, 1.8vw, 20px);
  font-weight: 400;
  color: rgba(245,240,235,0.7);
  letter-spacing: 1px;
  margin-bottom: 24px;
}
.s1-divider {
  width: 80px; height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  margin: 0 auto 24px;
}
.s1-desc {
  font-size: clamp(13px, 1.3vw, 15px);
  color: rgba(245,240,235,0.55);
  line-height: 1.7;
  margin-bottom: 32px;
}
.s1-stats {
  display: flex; gap: 12px; flex-wrap: wrap; justify-content: center;
}
.stat-pill {
  padding: 8px 18px;
  border: 1px solid rgba(201,168,76,0.3);
  border-radius: 100px;
  font-size: 12px; font-weight: 600;
  color: var(--gold-lt);
  background: rgba(201,168,76,0.08);
  letter-spacing: 0.5px;
}

/* ============================================================
   SLIDE 2 — WHAT IS GLOBALIZATION
   ============================================================ */
.s2-accent-line {
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, transparent, var(--gold), transparent);
  z-index: 1;
}
.card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 24px;
}
.info-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  padding: 20px 16px;
  transition: all 0.3s ease;
}
.info-card:hover {
  background: rgba(201,168,76,0.08);
  border-color: rgba(201,168,76,0.3);
  transform: translateY(-4px);
}
.card-icon { font-size: 28px; margin-bottom: 10px; }
.info-card h3 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 18px; font-weight: 600;
  color: var(--gold-lt);
  margin-bottom: 8px;
}
.info-card p {
  font-size: 12px; line-height: 1.6;
  color: rgba(245,240,235,0.65);
}
.quote-block {
  background: rgba(123,104,238,0.1);
  border-left: 3px solid var(--purple);
  border-radius: 0 8px 8px 0;
  padding: 16px 20px;
  font-family: 'Cormorant Garamond', serif;
  font-size: 18px; font-style: italic;
  color: var(--lavender);
  display: flex; align-items: center; gap: 12px;
  flex-wrap: wrap;
}
.quote-mark {
  font-size: 48px; line-height: 1;
  color: var(--purple); opacity: 0.5;
  font-style: normal;
}
.quote-author {
  display: block; width: 100%;
  font-size: 12px; font-style: normal;
  font-weight: 600; letter-spacing: 1px;
  color: rgba(245,240,235,0.45);
  margin-top: 6px;
  text-transform: uppercase;
}

/* ============================================================
   SLIDE 3 — SOVEREIGNTY
   ============================================================ */
.two-col {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 32px;
  margin-bottom: 24px;
  align-items: start;
}
.impact-item {
  display: flex; gap: 14px; align-items: flex-start;
  margin-bottom: 18px;
}
.impact-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  margin-top: 5px; flex-shrink: 0;
}
.impact-dot.red    { background: var(--red); box-shadow: 0 0 8px var(--red); }
.impact-dot.orange { background: var(--orange); box-shadow: 0 0 8px var(--orange); }
.impact-dot.yellow { background: var(--gold); box-shadow: 0 0 8px var(--gold); }
.impact-item strong {
  display: block;
  font-size: 14px; font-weight: 700;
  color: var(--cream);
  margin-bottom: 4px;
}
.impact-item p {
  font-size: 12px; line-height: 1.6;
  color: rgba(245,240,235,0.6);
}

/* Sovereignty visual */
.sovereignty-visual {
  position: relative;
  width: 280px; height: 280px;
  margin: 0 auto 12px;
}
.sov-circle {
  position: absolute;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  text-align: center;
  font-size: 11px; font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.sov-circle.outer {
  inset: 0;
  border: 2px solid rgba(224,82,82,0.4);
  background: rgba(224,82,82,0.05);
  color: rgba(224,82,82,0.8);
}
.sov-circle.middle {
  inset: 40px;
  border: 2px solid rgba(123,104,238,0.5);
  background: rgba(123,104,238,0.08);
  color: rgba(123,104,238,0.9);
}
.sov-circle.inner {
  inset: 80px;
  border: 2px solid rgba(201,168,76,0.6);
  background: rgba(201,168,76,0.1);
  color: var(--gold-lt);
  font-size: 10px;
}
.visual-caption {
  text-align: center;
  font-size: 11px;
  color: rgba(245,240,235,0.4);
  line-height: 1.5;
}

/* Stats bar */
.stat-bar {
  display: flex; align-items: center;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 12px;
  padding: 16px 24px;
  gap: 0;
}
.stat-item-h {
  flex: 1; text-align: center;
}
.stat-num {
  display: block;
  font-family: 'Cormorant Garamond', serif;
  font-size: 32px; font-weight: 700;
  color: var(--gold);
  line-height: 1;
}
.stat-label {
  font-size: 11px; font-weight: 600;
  color: rgba(245,240,235,0.45);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.stat-divider {
  width: 1px; height: 40px;
  background: rgba(255,255,255,0.1);
}

/* ============================================================
   SLIDE 4 — NATIONALISM
   ============================================================ */
.nationalism-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 20px;
}
.nat-card {
  border-radius: 12px;
  padding: 20px 16px;
  border: 1px solid transparent;
  transition: transform 0.3s ease;
}
.nat-card:hover { transform: translateY(-4px); }
.red-card  { background: rgba(224,82,82,0.08);  border-color: rgba(224,82,82,0.2); }
.blue-card { background: rgba(123,104,238,0.08); border-color: rgba(123,104,238,0.2); }
.gold-card { background: rgba(201,168,76,0.08);  border-color: rgba(201,168,76,0.2); }
.green-card{ background: rgba(76,175,125,0.08);  border-color: rgba(76,175,125,0.2); }
.nat-icon { font-size: 28px; margin-bottom: 10px; }
.nat-card h3 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 17px; font-weight: 600;
  color: var(--cream);
  margin-bottom: 8px;
}
.nat-card p {
  font-size: 12px; line-height: 1.6;
  color: rgba(245,240,235,0.6);
}

/* Tension bar */
.tension-bar {
  display: flex; align-items: center; gap: 16px;
  margin-bottom: 8px;
}
.tension-label {
  font-size: 13px; font-weight: 700;
  color: var(--gold);
  letter-spacing: 1px;
  white-space: nowrap;
}
.tension-track {
  flex: 1; height: 8px;
  background: linear-gradient(90deg, rgba(123,104,238,0.4), rgba(224,82,82,0.4));
  border-radius: 100px;
  position: relative;
  overflow: visible;
}
.tension-fill {
  position: absolute; inset: 0;
  background: linear-gradient(90deg, var(--purple), var(--red));
  border-radius: 100px;
  animation: tensionPulse 3s ease-in-out infinite;
}
.tension-arrow {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-size: 16px;
  animation: tensionPulse 3s ease-in-out infinite;
}
@keyframes tensionPulse {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}
.tension-caption {
  text-align: center;
  font-size: 12px;
  color: rgba(245,240,235,0.4);
  font-style: italic;
}

/* ============================================================
   SLIDE 5 — INSTITUTIONS
   ============================================================ */
.institutions-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 32px;
  align-items: start;
}
.inst-timeline { display: flex; flex-direction: column; gap: 16px; }
.inst-item {
  display: flex; gap: 16px; align-items: flex-start;
}
.inst-year {
  font-family: 'Cormorant Garamond', serif;
  font-size: 20px; font-weight: 700;
  color: var(--gold);
  min-width: 48px;
  line-height: 1.2;
}
.inst-line {
  width: 2px; min-height: 60px;
  background: linear-gradient(180deg, var(--gold), transparent);
  margin-top: 4px; flex-shrink: 0;
}
.inst-body strong {
  display: block;
  font-size: 14px; font-weight: 700;
  color: var(--cream);
  margin-bottom: 4px;
}
.inst-body p {
  font-size: 12px; line-height: 1.6;
  color: rgba(245,240,235,0.6);
}
.inst-impact-box {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 14px;
  padding: 22px;
}
.inst-impact-box h3 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 22px; font-weight: 600;
  color: var(--gold-lt);
  margin-bottom: 16px;
  text-align: center;
}
.dual-item {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 14px;
  border-radius: 10px;
  margin-bottom: 12px;
}
.dual-item.positive { background: rgba(76,175,125,0.08); border: 1px solid rgba(76,175,125,0.2); }
.dual-item.negative { background: rgba(224,82,82,0.08);  border: 1px solid rgba(224,82,82,0.2); }
.dual-icon { font-size: 20px; flex-shrink: 0; }
.dual-item strong {
  display: block;
  font-size: 13px; font-weight: 700;
  color: var(--cream);
  margin-bottom: 4px;
}
.dual-item p {
  font-size: 11px; line-height: 1.6;
  color: rgba(245,240,235,0.6);
}

/* ============================================================
   SLIDE 6 — CASE STUDIES
   ============================================================ */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
.case-card {
  display: flex; gap: 14px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  padding: 18px;
  transition: all 0.3s ease;
}
.case-card:hover {
  background: rgba(201,168,76,0.06);
  border-color: rgba(201,168,76,0.25);
  transform: translateY(-3px);
}
.case-flag { font-size: 32px; flex-shrink: 0; line-height: 1; }
.case-body h3 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 18px; font-weight: 600;
  color: var(--cream);
  margin-bottom: 2px;
}
.case-tag {
  font-size: 10px; font-weight: 700;
  letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 8px;
}
.case-body p {
  font-size: 12px; line-height: 1.6;
  color: rgba(245,240,235,0.6);
  margin-bottom: 8px;
}
.case-outcome {
  font-size: 11px; line-height: 1.5;
  color: rgba(245,240,235,0.5);
  background: rgba(123,104,238,0.08);
  border-radius: 6px;
  padding: 8px 10px;
}
.outcome-label {
  font-weight: 700;
  color: var(--purple);
}

/* ============================================================
   SLIDE 7 — CONCLUSION
   ============================================================ */
.conclusion-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 32px;
  align-items: start;
}
.conclusion-point {
  display: flex; gap: 16px; align-items: flex-start;
  margin-bottom: 20px;
}
.cp-num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 36px; font-weight: 700;
  color: rgba(201,168,76,0.25);
  line-height: 1; flex-shrink: 0;
  min-width: 44px;
}
.cp-text strong {
  display: block;
  font-size: 14px; font-weight: 700;
  color: var(--cream);
  margin-bottom: 4px;
}
.cp-text p {
  font-size: 12px; line-height: 1.6;
  color: rgba(245,240,235,0.6);
}
.moral-box {
  background: linear-gradient(145deg, rgba(61,30,124,0.4), rgba(13,8,32,0.6));
  border: 1px solid rgba(201,168,76,0.3);
  border-radius: 16px;
  padding: 28px 24px;
  text-align: center;
}
.moral-label {
  font-size: 10px; font-weight: 800;
  letter-spacing: 3px; text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}
.moral-globe { font-size: 48px; margin-bottom: 16px; }
.moral-text {
  font-family: 'Cormorant Garamond', serif;
  font-size: 17px; font-style: italic;
  color: var(--lavender);
  line-height: 1.7;
  margin-bottom: 16px;
}
.moral-text strong { color: var(--gold-lt); font-style: normal; }
.moral-divider {
  width: 40px; height: 1px;
  background: rgba(201,168,76,0.4);
  margin: 0 auto 16px;
}
.moral-sub {
  font-size: 12px; line-height: 1.6;
  color: rgba(245,240,235,0.5);
}
.moral-sub em { color: var(--gold); font-style: italic; }

/* ============================================================
   SLIDE 8 — Q&A / THANK YOU
   ============================================================ */
.s8-content {
  position: relative; z-index: 2;
  text-align: center;
  display: flex; flex-direction: column; align-items: center;
  width: 90%; max-width: 800px;
}
.s8-tag {
  font-size: 11px; font-weight: 700;
  letter-spacing: 3px; text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
}
.s8-globe {
  font-size: 64px;
  margin-bottom: 16px;
  animation: globeSpin 8s linear infinite;
}
@keyframes globeSpin {
  0% { transform: rotate(0deg) scale(1); }
  50% { transform: rotate(5deg) scale(1.05); }
  100% { transform: rotate(0deg) scale(1); }
}
.s8-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(48px, 7vw, 80px);
  font-weight: 700;
  color: var(--white);
  line-height: 1;
  margin-bottom: 8px;
}
.s8-subtitle {
  font-size: 16px; font-weight: 400;
  color: rgba(245,240,235,0.55);
  margin-bottom: 24px;
}
.s8-divider {
  width: 60px; height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  margin: 0 auto 24px;
}
.qa-box {
  display: flex; gap: 16px; align-items: center;
  background: rgba(123,104,238,0.1);
  border: 1px solid rgba(123,104,238,0.25);
  border-radius: 14px;
  padding: 20px 24px;
  text-align: left;
  width: 100%;
  margin-bottom: 24px;
}
.qa-icon { font-size: 36px; flex-shrink: 0; }
.qa-text h3 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 22px; font-weight: 600;
  color: var(--lavender);
  margin-bottom: 6px;
}
.qa-text p {
  font-size: 13px; line-height: 1.6;
  color: rgba(245,240,235,0.6);
}
.team-recap {
  display: flex; align-items: center; gap: 8px;
  flex-wrap: wrap; justify-content: center;
  margin-bottom: 20px;
}
.recap-item {
  font-size: 12px; font-weight: 600;
  color: rgba(245,240,235,0.6);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 100px;
  padding: 6px 14px;
}
.recap-arrow {
  color: var(--gold);
  font-size: 14px;
}
.s8-topic {
  font-family: 'Cormorant Garamond', serif;
  font-size: 15px; font-style: italic;
  color: rgba(245,240,235,0.4);
}

/* ============================================================
   PARTICLES
   ============================================================ */
.particles {
  position: absolute; inset: 0;
  pointer-events: none; z-index: 1;
  overflow: hidden;
}
.particle {
  position: absolute;
  width: 2px; height: 2px;
  border-radius: 50%;
  background: var(--gold);
  opacity: 0;
  animation: particleFloat linear infinite;
}
@keyframes particleFloat {
  0%   { opacity: 0; transform: translateY(0) scale(0); }
  10%  { opacity: 0.6; transform: translateY(-20px) scale(1); }
  90%  { opacity: 0.3; }
  100% { opacity: 0; transform: translateY(-120px) scale(0.5); }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .card-grid, .nationalism-grid { grid-template-columns: repeat(2, 1fr); }
  .two-col, .institutions-layout, .conclusion-layout { grid-template-columns: 1fr; }
  .col-right, .inst-impact-box, .conclusion-right { display: none; }
  .cases-grid { grid-template-columns: 1fr; }
  .sovereignty-visual { display: none; }
  .team-recap { display: none; }
}
@media (max-width: 600px) {
  .card-grid, .nationalism-grid { grid-template-columns: 1fr; }
  .s1-title { font-size: 38px; }
  .slide-title { font-size: 28px; }
}