/* ============================================================
   DESIGN TOKENS
   ============================================================ */
:root {
  /* Colors */
  --c-orange: #FF4D00;
  --c-black: #000000;
  --c-white: #FFFFFF;
  --c-white20: rgba(255,255,255,0.20);
  --c-white10: rgba(255,255,255,0.10);
  --c-white05: rgba(255,255,255,0.05);
  --c-black20: rgba(0,0,0,0.20);
  --c-black10: rgba(0,0,0,0.10);
  --c-black50: rgba(0,0,0,0.50);

  /* Type scale */
  --t-eyebrow: 24px;
  --t-micro: 24px;
  --t-body: 32px;
  --t-bodyLg: 38px;
  --t-small: 26px;
  --t-kicker: 44px;
  --t-title: 88px;
  --t-titleLg: 120px;
  --t-display: 200px;
  --t-mega: 280px;

  /* Spacing */
  --sp-px: 120px;
  --sp-pxLg: 160px;
  --sp-pyTop: 100px;
  --sp-pyBot: 90px;
  --sp-gap: 40px;
  --sp-gapLg: 64px;
  --sp-titleGap: 56px;
  --sp-itemGap: 32px;

  /* Fonts */
  --f-display: 'Archivo Black', 'Arial Black', system-ui, sans-serif;
  --f-mono: 'Space Mono', 'IBM Plex Mono', ui-monospace, monospace;
  --f-body: 'Inter', system-ui, -apple-system, sans-serif;
}

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

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--c-black);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============================================================
   SLIDE FRAME
   ============================================================ */
.slide {
  width: 100%;
  height: 100vh;
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  padding: var(--sp-pyTop) var(--sp-pxLg) var(--sp-pyBot);
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s ease, transform 0.5s ease;
  transform: scale(0.97);
}

.slide.active {
  opacity: 1;
  pointer-events: auto;
  transform: scale(1);
}

.slide.no-pad {
  padding: 0;
}

/* ============================================================
   META BAR
   ============================================================ */
.meta-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--f-mono);
  font-size: var(--t-eyebrow);
  letter-spacing: -0.02em;
  text-transform: uppercase;
  border-bottom: 2px solid currentColor;
  padding-bottom: 20px;
  margin-bottom: var(--sp-titleGap);
}

.meta-bar .meta-right {
  opacity: 0.55;
}

/* ============================================================
   BOTTOM META
   ============================================================ */
.bottom-meta {
  position: absolute;
  left: var(--sp-pxLg);
  right: var(--sp-pxLg);
  bottom: 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--f-mono);
  font-size: var(--t-micro);
  letter-spacing: -0.02em;
  text-transform: uppercase;
  opacity: 0.55;
}

/* ============================================================
   DISPLAY TEXT
   ============================================================ */
.display {
  font-family: var(--f-display);
  text-transform: uppercase;
  letter-spacing: -0.04em;
  line-height: 0.88;
}

.display.title    { font-size: var(--t-title); }
.display.titleLg  { font-size: var(--t-titleLg); }
.display.kicker   { font-size: var(--t-kicker); }
.display.mega     { font-size: var(--t-mega); }
.display.displaySz { font-size: var(--t-display); }

/* ============================================================
   BODY TEXT
   ============================================================ */
.body-text {
  font-family: var(--f-body);
  line-height: 1.45;
  text-wrap: pretty;
}

.body-text.size-body   { font-size: var(--t-body); }
.body-text.size-bodyLg { font-size: var(--t-bodyLg); }
.body-text.size-small  { font-size: var(--t-small); }

/* ============================================================
   MONO LABEL
   ============================================================ */
.mono {
  font-family: var(--f-mono);
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

.mono.size-eyebrow { font-size: var(--t-eyebrow); }
.mono.size-micro   { font-size: var(--t-micro); }

/* ============================================================
   INDEX (01, 02, etc.)
   ============================================================ */
.idx {
  font-family: var(--f-mono);
  letter-spacing: -0.02em;
}

/* ============================================================
   MARQUEE
   ============================================================ */
.marquee-strip {
  overflow: hidden;
  border-top: 2px solid var(--c-black);
  border-bottom: 2px solid var(--c-black);
  padding: 20px 0;
}

.marquee-strip.skew { transform: skewY(-2deg); }

.marquee-track {
  display: flex;
  width: max-content;
  white-space: nowrap;
}

.marquee-track.dir-left  { animation: ka-marquee 40s linear infinite; }
.marquee-track.dir-right { animation: ka-marquee-rev 40s linear infinite; }

.marquee-item {
  font-family: var(--f-display);
  font-size: 10vw;
  text-transform: uppercase;
  letter-spacing: -0.04em;
  line-height: 1;
  padding: 0 40px;
  display: inline-flex;
  align-items: center;
  gap: 32px;
}

.marquee-item .diamond {
  color: var(--c-orange);
  font-size: 0.6em;
}

/* ============================================================
   BADGE (Circular rotating text)
   ============================================================ */
.badge {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.badge.spinning svg {
  animation: ka-spin 18s linear infinite;
}

.badge svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}

/* ============================================================
   ARROW
   ============================================================ */
.arrow-svg {
  flex-shrink: 0;
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes ka-marquee {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

@keyframes ka-marquee-rev {
  0%   { transform: translateX(-50%); }
  100% { transform: translateX(0); }
}

@keyframes ka-spin {
  0%   { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes ka-fade-in-up {
  0%   { opacity: 0; transform: translateY(40px); }
  100% { opacity: 1; transform: translateY(0); }
}

@keyframes ka-fade-in {
  0%   { opacity: 0; }
  100% { opacity: 1; }
}

@keyframes ka-scale-in {
  0%   { opacity: 0; transform: scale(0.85); }
  100% { opacity: 1; transform: scale(1); }
}

.anim-fade-in-up {
  animation: ka-fade-in-up 0.6s ease-out both;
}

.anim-fade-in {
  animation: ka-fade-in 0.5s ease both;
}

.anim-scale-in {
  animation: ka-scale-in 0.5s ease both;
}

.anim-delay-1 { animation-delay: 0.1s; }
.anim-delay-2 { animation-delay: 0.2s; }
.anim-delay-3 { animation-delay: 0.3s; }
.anim-delay-4 { animation-delay: 0.4s; }
.anim-delay-5 { animation-delay: 0.5s; }
.anim-delay-6 { animation-delay: 0.6s; }

/* ============================================================
   NAV OVERLAY
   ============================================================ */
.nav-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1.5px solid rgba(255,255,255,0.25);
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.7);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  backdrop-filter: blur(8px);
}

.nav-btn:hover {
  background: rgba(255,255,255,0.18);
  color: #fff;
  border-color: rgba(255,255,255,0.45);
  transform: scale(1.08);
}

.nav-btn:active {
  transform: scale(0.95);
}

/* ============================================================
   OVERVIEW MODAL
   ============================================================ */
.overview-card {
  aspect-ratio: 16 / 9;
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.25s ease;
  position: relative;
}

.overview-card:hover {
  border-color: var(--c-orange);
  transform: scale(1.03);
  z-index: 2;
}

.overview-card .overview-label {
  position: absolute;
  bottom: 8px;
  left: 10px;
  font-family: var(--f-mono);
  font-size: 11px;
  color: rgba(255,255,255,0.7);
  background: rgba(0,0,0,0.7);
  padding: 2px 8px;
  border-radius: 4px;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

/* ============================================================
   CUSTOM SLIDE STYLES
   ============================================================ */

/* Feature grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-gap);
  flex: 1;
}

.feature-card {
  background: var(--c-white10);
  border: 1px solid var(--c-white20);
  border-radius: 16px;
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: background 0.3s ease, border-color 0.3s ease;
}

.feature-card:hover {
  background: var(--c-white20);
  border-color: var(--c-orange);
}

.feature-card .card-idx {
  font-family: var(--f-mono);
  font-size: var(--t-eyebrow);
  color: var(--c-orange);
  letter-spacing: -0.02em;
}

.feature-card .card-title {
  font-family: var(--f-display);
  font-size: var(--t-kicker);
  text-transform: uppercase;
  letter-spacing: -0.03em;
  line-height: 0.95;
}

.feature-card .card-body {
  font-family: var(--f-body);
  font-size: var(--t-small);
  line-height: 1.5;
  opacity: 0.7;
}

/* Stat row */
.stat-row {
  display: flex;
  gap: var(--sp-gapLg);
  align-items: baseline;
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.stat-number {
  font-family: var(--f-display);
  font-size: var(--t-titleLg);
  line-height: 0.88;
  letter-spacing: -0.04em;
  text-transform: uppercase;
}

.stat-label {
  font-family: var(--f-mono);
  font-size: var(--t-eyebrow);
  letter-spacing: -0.02em;
  text-transform: uppercase;
  opacity: 0.6;
}

/* Timeline */
.timeline {
  display: flex;
  flex-direction: column;
  gap: var(--sp-itemGap);
  flex: 1;
  justify-content: center;
}

.timeline-item {
  display: flex;
  align-items: flex-start;
  gap: 32px;
  padding: 24px 0;
  border-bottom: 1px solid var(--c-white10);
}

.timeline-item:last-child {
  border-bottom: none;
}

.timeline-year {
  font-family: var(--f-mono);
  font-size: var(--t-eyebrow);
  letter-spacing: -0.02em;
  color: var(--c-orange);
  min-width: 100px;
}

.timeline-content {
  flex: 1;
}

.timeline-title {
  font-family: var(--f-display);
  font-size: var(--t-body);
  text-transform: uppercase;
  letter-spacing: -0.03em;
  margin-bottom: 8px;
}

.timeline-desc {
  font-family: var(--f-body);
  font-size: var(--t-small);
  line-height: 1.5;
  opacity: 0.65;
}

/* Two column */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-gapLg);
  flex: 1;
  align-items: center;
}

/* Quote style */
.quote-block {
  display: flex;
  flex-direction: column;
  gap: 24px;
  max-width: 80%;
}

.quote-text {
  font-family: var(--f-display);
  font-size: var(--t-title);
  text-transform: uppercase;
  letter-spacing: -0.04em;
  line-height: 0.92;
}

.quote-attr {
  font-family: var(--f-mono);
  font-size: var(--t-eyebrow);
  letter-spacing: -0.02em;
  text-transform: uppercase;
  opacity: 0.55;
}

/* Image placeholder */
.img-block {
  border-radius: 16px;
  overflow: hidden;
  border: 2px solid var(--c-white10);
}

.img-block img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Progress bar */
.progress-bar {
  height: 6px;
  background: var(--c-white10);
  border-radius: 3px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--c-orange);
  border-radius: 3px;
  transition: width 0.8s ease;
}

/* End slide */
.end-badge-container {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Responsive fallback for smaller screens */
@media (max-width: 1200px) {
  :root {
    --sp-px: 60px;
    --sp-pxLg: 60px;
    --sp-pyTop: 60px;
    --sp-pyBot: 50px;
    --sp-titleGap: 36px;
    --sp-gap: 24px;
    --sp-gapLg: 40px;
    --t-title: 60px;
    --t-titleLg: 80px;
    --t-display: 120px;
    --t-mega: 160px;
    --t-kicker: 32px;
    --t-body: 22px;
    --t-bodyLg: 26px;
    --t-small: 18px;
    --t-eyebrow: 16px;
    --t-micro: 14px;
  }

  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .two-col {
    grid-template-columns: 1fr;
  }

  .stat-number {
    font-size: 64px;
  }
}

@media (max-width: 768px) {
  :root {
    --sp-px: 24px;
    --sp-pxLg: 24px;
    --sp-pyTop: 40px;
    --sp-pyBot: 40px;
    --t-title: 40px;
    --t-titleLg: 56px;
    --t-display: 72px;
    --t-mega: 96px;
    --t-kicker: 24px;
    --t-body: 16px;
    --t-bodyLg: 20px;
    --t-small: 14px;
    --t-eyebrow: 12px;
    --t-micro: 11px;
  }

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

  .stat-row {
    flex-direction: column;
    gap: 24px;
  }

  .stat-number {
    font-size: 48px;
  }

  .slide {
    padding: var(--sp-pyTop) var(--sp-pxLg) var(--sp-pyBot);
  }
}