:root {
  --bg: #04162a;
  --bg-soft: #0b2341;
  --panel: rgba(6, 24, 45, 0.82);
  --panel-strong: rgba(8, 33, 63, 0.92);
  --line: rgba(164, 205, 229, 0.18);
  --text: #f3f7fb;
  --muted: #b6cde2;
  --accent: #1694d0;
  --accent-strong: #4ab6eb;
  --accent-deep: #0b3b76;
  --shadow: 0 28px 80px rgba(1, 10, 20, 0.45);
  --radius-xl: 34px;
  --radius-lg: 24px;
  --container: min(1180px, calc(100vw - 96px));
  --topbar-h: 88px;
  --transition-fast: 320ms ease;
  --transition-slow: 760ms cubic-bezier(.2, .75, .1, 1);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at top left, rgba(74, 182, 235, 0.15), transparent 30%),
    radial-gradient(circle at right center, rgba(7, 61, 118, 0.28), transparent 34%),
    linear-gradient(140deg, #03111f 0%, #082142 52%, #05101e 100%);
  color: var(--text);
}

body {
  font-family: "Josefin Sans", sans-serif;
  overflow: hidden;
}

button {
  font: inherit;
}

img {
  display: block;
  max-width: 100%;
}

.presentation-shell {
  position: relative;
  height: 100vh;
  overflow: hidden;
}

.topbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: var(--topbar-h);
  margin: 8px 12px 0;
  padding: 18px 22px;
  border: 1px solid rgba(164, 205, 229, 0.12);
  border-radius: 28px;
  background: rgba(6, 24, 45, 0.45);
  box-shadow: 0 18px 48px rgba(2, 15, 29, 0.4);
  backdrop-filter: blur(14px);
  isolation: isolate;
  pointer-events: none;
}

.topbar::before {
  content: "";
  position: absolute;
  inset: 1px;
  border-radius: 26px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
  z-index: 0;
  pointer-events: none;
}

.topbar::after {
  content: "";
  position: absolute;
  left: 26px;
  right: 26px;
  bottom: -1px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  z-index: 0;
  pointer-events: none;
}

.brand,
.topbar-actions {
  position: relative;
  z-index: 1;
  pointer-events: auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 18px;
}

.brand-logo {
  width: 220px;
  max-width: 34vw;
  filter: brightness(0) invert(1) drop-shadow(0 4px 6px rgba(0, 0, 0, 0.4));
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.eyebrow,
.kicker,
.card-badge,
.compare-tag,
.panel-topline,
.process-step {
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow {
  font-size: 0.72rem;
  color: var(--muted);
}

.brand-copy strong {
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--text);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.slide-indicator {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 14px 18px;
  border: 1px solid rgba(164, 205, 229, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 12px rgba(2, 15, 29, 0.2);
  color: var(--text);
  font-family: "Ubuntu", sans-serif;
}

.slide-indicator span:first-child {
  font-size: 1.05rem;
}

.indicator-separator,
.slide-indicator span:last-child {
  color: var(--muted);
}

.ghost-button,
.nav-arrow,
.dot {
  border: 0;
  cursor: pointer;
}

.ghost-button {
  padding: 14px 18px;
  border-radius: 999px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(164, 205, 229, 0.18);
  box-shadow: 0 4px 12px rgba(2, 15, 29, 0.2);
  backdrop-filter: blur(10px);
  transition: transform var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
}

.ghost-button:hover,
.ghost-button:focus-visible {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 8px 16px rgba(2, 15, 29, 0.3);
}

.stage {
  position: relative;
  height: 100%;
}

.slide {
  position: absolute;
  inset: 0;
  display: grid;
  align-items: stretch;
  opacity: 0;
  transform: scale(1.02);
  pointer-events: none;
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.slide.is-active,
.slide.is-entering,
.slide.is-leaving {
  pointer-events: auto;
}

.slide.is-active {
  opacity: 1;
  transform: scale(1);
  z-index: 4;
}

.slide.is-entering {
  opacity: 1;
  transform: scale(1);
  z-index: 5;
}

.slide.is-leaving {
  opacity: 0;
  transform: scale(0.985);
  z-index: 3;
}

.slide-inner {
  position: relative;
  width: var(--container);
  margin: 0 auto;
  padding: calc(var(--topbar-h) + 40px) 0 78px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 28px;
  z-index: 2;
}

.hero-layout,
.closing-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(300px, 0.75fr);
  gap: 34px;
  align-items: center;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  gap: 18px;
  max-width: 760px;
}

.closing-main {
  max-width: 760px;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.78rem;
  color: var(--accent-strong);
}

.kicker::before {
  content: "";
  width: 46px;
  height: 1px;
  background: currentColor;
  opacity: 0.7;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Ubuntu", sans-serif;
}

h1 {
  line-height: 1.12;
}

h2,
h3 {
  line-height: 1.1;
}

h1 {
  font-size: clamp(2.8rem, 6vw, 5.6rem);
  letter-spacing: -0.04em;
  max-width: 11ch;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.6rem);
  letter-spacing: -0.04em;
  max-width: 15ch;
}

h3 {
  font-size: clamp(1.2rem, 2vw, 1.7rem);
}

p,
li {
  font-size: clamp(1rem, 1.5vw, 1.22rem);
  line-height: 1.45;
}

.lead {
  max-width: 62ch;
  font-size: clamp(1.14rem, 1.75vw, 1.42rem);
  color: var(--muted);
}

.hero-pills,
.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-pills span,
.chip-row span,
.legal-pill,
.summary-strip {
  border: 1px solid rgba(74, 182, 235, 0.2);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: var(--shadow);
}

.hero-pills span,
.chip-row span {
  padding: 12px 16px;
  border-radius: 999px;
  color: var(--text);
}

.hero-panel,
.feature-card,
.stack-card,
.quote-block,
.process-card,
.compare-card,
.closing-panel,
.caption-card {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: var(--radius-xl);
  background: rgba(243, 247, 251, 0.94);
  box-shadow: 0 16px 40px rgba(2, 12, 24, 0.25);
  color: #1e334d;
}

.hero-panel h3,
.feature-card h3,
.stack-card h3,
.quote-block h3,
.process-card h3,
.compare-card h3,
.closing-panel h3,
.caption-card h3 {
  color: #112338;
}

.hero-panel,
.closing-panel,
.caption-card {
  padding: 28px;
  backdrop-filter: blur(18px);
}

.card-badge {
  display: inline-block;
  margin-bottom: 12px;
}

.feature-card h3,
.stack-card h3,
.process-card h3,
.compare-card h3 {
  margin-bottom: 14px;
}

.feature-card .bullet-list,
.stack-card .bullet-list,
.process-card .bullet-list {
  margin-top: 6px;
}

.panel-topline,
.card-badge,
.compare-tag {
  font-size: 0.74rem;
  color: var(--accent);
  font-weight: 600;
}

.panel-list,
.bullet-list {
  margin: 0;
  padding-left: 1.15rem;
}

.panel-list {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.panel-note {
  margin-top: 22px;
  color: #3b5a7b;
  font-size: 1rem;
}

.section-heading {
  display: grid;
  gap: 10px;
}

.grid-2,
.process-grid,
.compare-grid {
  display: grid;
  gap: 22px;
}

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

.feature-card,
.stack-card,
.process-card,
.compare-card {
  padding: 26px;
}

.feature-card::after,
.stack-card::after,
.process-card::after,
.compare-card::after,
.closing-panel::after,
.hero-panel::after,
.caption-card::after {
  content: "";
  position: absolute;
  inset: auto -35% -35% auto;
  width: 220px;
  aspect-ratio: 1;
  background: radial-gradient(circle, rgba(74, 182, 235, 0.24), transparent 68%);
  pointer-events: none;
}

.feature-card-light,
.compare-card-accent,
.highlight-card,
.process-card-strong {
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.98), rgba(228, 242, 251, 0.92));
  border-color: rgba(22, 148, 208, 0.25);
}

.summary-strip {
  padding: 18px 22px;
  border-radius: var(--radius-lg);
  color: var(--muted);
}

.summary-strip strong {
  color: var(--text);
}

.asymmetric-grid {
  grid-template-columns: 1.08fr 0.92fr;
}

.compact li+li {
  margin-top: 8px;
}

.legal-pill {
  align-self: flex-start;
  padding: 12px 16px;
  border-radius: 999px;
  color: var(--text);
}

.quote-block {
  padding: 32px 40px;
  background: linear-gradient(135deg, rgba(12, 43, 82, 0.84), rgba(5, 18, 34, 0.9));
  border: 1px solid rgba(74, 182, 235, 0.2);
  border-left: 6px solid var(--accent);
  color: var(--text);
  border-radius: var(--radius-lg);
}

.quote-block p {
  margin: 0;
  font-size: clamp(1.15rem, 1.8vw, 1.5rem);
  color: var(--text);
}

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

.process-header {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 18px;
}

.process-step {
  display: inline-grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  color: #fff;
  font-family: "Ubuntu", sans-serif;
}

.slide-image .slide-inner {
  justify-content: flex-end;
}

.full-visual {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 92px 48px 40px;
  transform: scale(1.02);
  transform-origin: var(--zoom-x, 50%) var(--zoom-y, 50%);
  transition: transform 1.2s ease, filter 320ms ease, opacity 320ms ease;
  filter: saturate(0.98) contrast(1.03);
  cursor: zoom-in;
}

.slide-image.is-active .full-visual,
.slide-image.is-entering .full-visual {
  transform: scale(1);
}

.slide-image.is-zoomed .full-visual {
  transform: scale(1.85);
}

.slide-image.slide-image-clean.is-zoomed .full-visual {
  transform: scale(2.2);
}

.slide-image:hover .image-overlay {
  opacity: 0.14;
}

.image-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(3, 13, 24, 0.78) 0%, rgba(3, 13, 24, 0.22) 24%, rgba(3, 13, 24, 0.8) 100%),
    radial-gradient(circle at left top, rgba(22, 148, 208, 0.24), transparent 35%);
  transition: opacity 240ms ease;
}

.image-caption {
  align-items: flex-start;
}

.slide-image-clean {
  background: linear-gradient(180deg, rgba(5, 17, 31, 0.98), rgba(8, 27, 51, 0.98));
}

.slide-image-clean .full-visual {
  padding: 104px 24px 28px;
  object-fit: contain;
  filter: none;
}

.caption-card {
  max-width: 520px;
}

.compare-card p,
.feature-card p,
.closing-panel p,
.caption-card p {
  color: #3b5a7b;
}

.slide-closing .closing-main {
  display: grid;
  gap: 20px;
}

.mini-mark {
  width: 92px;
  margin-bottom: 22px;
}

.slide-dots {
  position: fixed;
  left: 50%;
  bottom: 22px;
  z-index: 35;
  display: flex;
  align-items: center;
  gap: 10px;
  transform: translateX(-50%);
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(2, 12, 24, 0.6);
  backdrop-filter: blur(12px);
}

.dot {
  width: 11px;
  height: 11px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.28);
  transition: transform var(--transition-fast), background var(--transition-fast);
}

.dot.is-active {
  background: var(--accent-strong);
  transform: scale(1.25);
}

.nav-arrow {
  position: fixed;
  top: 50%;
  z-index: 35;
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(164, 205, 229, 0.12);
  backdrop-filter: blur(12px);
  box-shadow: 0 4px 16px rgba(2, 15, 29, 0.3);
  transform: translateY(-50%);
  transition: transform var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
}

.nav-prev {
  left: 24px;
}

.nav-next {
  right: 24px;
}

.nav-arrow:hover,
.nav-arrow:focus-visible {
  transform: translateY(-50%) scale(1.08);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(164, 205, 229, 0.28);
}

.nav-arrow span {
  font-size: 1.4rem;
}

.progress-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 36;
  height: 4px;
  background: rgba(255, 255, 255, 0.08);
}

.progress-bar span {
  display: block;
  width: 11.11%;
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-strong));
  box-shadow: 0 0 18px rgba(74, 182, 235, 0.6);
  transition: width var(--transition-slow);
}

.ambient {
  position: absolute;
  border-radius: 999px;
  filter: blur(20px);
  opacity: 0.65;
}

.ambient-a {
  width: 320px;
  height: 320px;
  top: 8%;
  right: 12%;
  background: radial-gradient(circle, rgba(22, 148, 208, 0.45), transparent 65%);
}

.ambient-b {
  width: 420px;
  height: 420px;
  bottom: -8%;
  left: -5%;
  background: radial-gradient(circle, rgba(8, 66, 130, 0.42), transparent 68%);
}

.ambient-c,
.ambient-d,
.ambient-e,
.ambient-f {
  width: 420px;
  height: 420px;
  right: -8%;
  bottom: -12%;
  background: radial-gradient(circle, rgba(22, 148, 208, 0.28), transparent 68%);
}

.ambient-d {
  top: 18%;
  right: 4%;
  bottom: auto;
}

.ambient-e {
  left: -6%;
  top: 22%;
  right: auto;
  bottom: auto;
}

.ambient-f {
  top: -10%;
  right: 12%;
  bottom: auto;
}

.animate-item {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 680ms ease, transform 680ms cubic-bezier(.2, .75, .1, 1);
}

.slide.is-active .animate-item,
.slide.is-entering .animate-item {
  opacity: 1;
  transform: translateY(0);
}

.slide .animate-item:nth-child(1) {
  transition-delay: 70ms;
}

.slide .animate-item:nth-child(2) {
  transition-delay: 130ms;
}

.slide .animate-item:nth-child(3) {
  transition-delay: 190ms;
}

.slide .animate-item:nth-child(4) {
  transition-delay: 250ms;
}

.slide .animate-item:nth-child(5) {
  transition-delay: 310ms;
}

.slide .animate-item:nth-child(6) {
  transition-delay: 370ms;
}

@media (max-width: 1100px) {
  :root {
    --container: min(100vw - 56px, 980px);
  }

  .hero-layout,
  .closing-layout,
  .grid-2,
  .process-grid,
  .compare-grid,
  .asymmetric-grid {
    grid-template-columns: 1fr;
  }

  .slide-inner {
    padding-bottom: 104px;
  }

  .hero-panel,
  .closing-panel {
    max-width: 620px;
  }
}

@media (max-width: 760px) {
  :root {
    --container: calc(100vw - 32px);
    --topbar-h: 118px;
  }

  body {
    overflow-x: hidden;
    overflow-y: auto;
  }

  .presentation-shell {
    min-height: 100vh;
    height: auto;
    overflow: hidden;
  }

  .topbar {
    margin: 8px 8px 0;
    padding: 14px 14px 12px;
    align-items: flex-start;
    flex-direction: column;
    border-radius: 22px;
    height: auto;
    gap: 16px;
  }


  .brand {
    width: 100%;
    justify-content: space-between;
  }

  .brand-copy {
    display: none;
  }

  .brand-logo {
    width: 190px;
    max-width: 60vw;
  }

  .topbar-actions {
    width: 100%;
    justify-content: space-between;
  }

  .slide {
    position: relative;
    opacity: 1;
    transform: none;
    min-height: 100vh;
  }

  .slide:not(.is-active) {
    display: none;
  }

  .slide-inner {
    min-height: 100vh;
    justify-content: flex-start;
    padding-top: calc(var(--topbar-h) + 48px);
    padding-bottom: 154px;
    gap: 22px;
  }

  h1 {
    max-width: 100%;
    font-size: clamp(2rem, 10vw, 3.2rem);
  }

  h2 {
    max-width: 100%;
    font-size: clamp(1.7rem, 8vw, 2.4rem);
  }

  .full-visual {
    padding: 132px 12px 24px;
    object-fit: contain;
    cursor: default;
  }

  .slide-image-clean .full-visual {
    padding: 132px 8px 24px;
  }

  .slide-image.is-zoomed .full-visual,
  .slide-image.slide-image-clean.is-zoomed .full-visual {
    transform: scale(1);
  }

  .nav-arrow {
    width: 50px;
    height: 50px;
    bottom: 82px;
    top: auto;
    transform: none;
  }

  .nav-arrow:hover,
  .nav-arrow:focus-visible {
    transform: scale(1.04);
  }

  .nav-prev {
    left: 16px;
  }

  .nav-next {
    right: 16px;
  }

  .slide-dots {
    bottom: 22px;
    width: calc(100vw - 32px);
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
  }
}

@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}












.slide-hero .hero-copy .kicker {
  margin-bottom: 18px;
}