:root {
  --primary-color: #193a55;
  --primary-deep: #142c41;
  --accent-color: #20a99a;
  --paper-color: #f5f8fb;
  --text-color: #192b3a;
  --muted-color: #637381;
  --font-family: "Cairo", Tahoma, Arial, sans-serif;
  --slide-gutter: clamp(1.5rem, 7vw, 7rem);
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  min-width: 320px;
  min-height: 100%;
  margin: 0;
}

body {
  color: var(--text-color);
  background: var(--primary-deep);
  font-family: var(--font-family);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

button {
  font: inherit;
}

.presentation {
  position: relative;
  width: 100%;
  height: 100vh;
  height: 100svh;
  min-height: 32rem;
  overflow: hidden;
  background: var(--paper-color);
}

.deck {
  position: relative;
  width: 100%;
  height: 100%;
}

.slide {
  position: absolute;
  inset: 0;
  display: grid;
  align-items: center;
  padding: 5rem var(--slide-gutter) 7rem;
  overflow: auto;
  visibility: hidden;
  opacity: 0;
  background:
    radial-gradient(ellipse at 92% 8%, rgb(32 169 154 / 11%), transparent 34%),
    linear-gradient(140deg, #fff 0%, var(--paper-color) 72%);
  transition: opacity 200ms ease, visibility 200ms ease;
}

.slide::before {
  position: absolute;
  inset-block: 0;
  inset-inline-start: 0;
  width: clamp(0.4rem, 1vw, 0.8rem);
  background: var(--primary-color);
  content: "";
}

.slide.is-active {
  z-index: 1;
  visibility: visible;
  opacity: 1;
}

.slide__content {
  width: min(100%, 66rem);
  margin-inline: auto;
}

.intro-slide {
  background:
    radial-gradient(ellipse at 4% 100%, rgb(25 58 85 / 7%), transparent 38%),
    radial-gradient(ellipse at 95% 5%, rgb(32 169 154 / 11%), transparent 32%),
    linear-gradient(140deg, #fff 0%, var(--paper-color) 75%);
}

.intro-slide .slide__content {
  width: min(100%, 72rem);
}

.intro-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  align-items: center;
  gap: clamp(2rem, 5vw, 5rem);
}

.intro-copy h1 {
  max-width: 14ch;
  color: var(--primary-deep);
  font-size: clamp(2.8rem, 5.7vw, 5.25rem);
}

.intro-copy h1 span {
  color: var(--primary-color);
}

.intro-copy .eyebrow {
  letter-spacing: 0.02em;
}

.intro-copy .slide__description {
  max-width: 36rem;
  font-size: clamp(1rem, 1.5vw, 1.2rem);
}

.intro-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 1.1rem 1.6rem;
  margin-block-start: 1.6rem;
  padding-block-start: 1rem;
  border-block-start: 1px solid rgb(25 58 85 / 14%);
  color: var(--muted-color);
  font-size: 0.82rem;
}

.intro-facts span {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
}

.intro-facts strong {
  color: var(--primary-deep);
  font-size: 1rem;
  font-variant-numeric: tabular-nums;
}

.intro-start {
  display: inline-flex;
  min-height: 3rem;
  align-items: center;
  gap: 0.75rem;
  margin-block-start: 1.7rem;
  padding: 0.7rem 1.35rem;
  border: 1px solid var(--primary-color);
  border-radius: 0.4rem;
  color: #fff;
  background: var(--primary-color);
  cursor: pointer;
  font: inherit;
  font-size: 0.95rem;
  font-weight: 700;
  transition: background-color 160ms ease, transform 160ms ease;
}

.intro-start:hover {
  transform: translateY(-2px);
  background: var(--primary-deep);
}

.intro-start:focus-visible,
.project-choice:focus-visible {
  outline: 3px solid var(--accent-color);
  outline-offset: 3px;
}

.project-index {
  padding: clamp(1.2rem, 2.6vw, 2rem);
  border: 1px solid rgb(25 58 85 / 12%);
  border-radius: 0.8rem;
  background: rgb(255 255 255 / 84%);
  box-shadow: 0 1rem 2.5rem rgb(20 44 65 / 7%);
}

.project-index h2 {
  margin: 0;
  color: var(--primary-deep);
  font-size: 1.3rem;
  font-weight: 800;
}

.project-index > p {
  margin: 0.25rem 0 1rem;
  color: var(--muted-color);
  font-size: 0.84rem;
}

.project-index__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.55rem;
}

.project-choice {
  display: grid;
  min-height: 3.25rem;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.55rem;
  padding: 0.55rem 0.7rem;
  border: 1px solid #e0e7ed;
  border-radius: 0.4rem;
  color: var(--text-color);
  background: #fff;
  cursor: pointer;
  font: inherit;
  text-align: start;
  transition: border-color 160ms ease, background-color 160ms ease, transform 160ms ease;
}

.project-choice:hover {
  transform: translateY(-1px);
  border-color: rgb(32 169 154 / 55%);
  background: #f4fbfa;
}

.project-choice > span:first-child {
  color: var(--primary-color);
  font-size: 0.76rem;
  font-variant-numeric: tabular-nums;
  font-weight: 800;
}

.project-choice strong {
  font-size: 0.82rem;
  font-weight: 700;
  line-height: 1.5;
}

.project-choice > span:last-child {
  color: var(--accent-color);
  font-size: 1rem;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin: 0 0 1.5rem;
  color: var(--primary-color);
  font-size: clamp(0.78rem, 1.2vw, 0.95rem);
  font-weight: 700;
  letter-spacing: 0.12em;
}

.eyebrow::before {
  width: 2.5rem;
  height: 2px;
  background: var(--accent-color);
  content: "";
}

h1 {
  max-width: 16ch;
  margin: 0;
  color: var(--primary-deep);
  font-size: clamp(2.7rem, 7.5vw, 6.8rem);
  font-weight: 750;
  letter-spacing: -0.045em;
  line-height: 1.16;
}

.slide__description {
  margin: 1.5rem 0 0;
  color: var(--muted-color);
  font-size: clamp(1.05rem, 2vw, 1.45rem);
  line-height: 1.9;
}

.project-slide {
  --project-color: var(--primary-color);
  --project-ink: var(--primary-deep);
}

.project-slide::before {
  background: var(--project-color);
}

.project-slide--cyber {
  --project-color: #167b83;
  --project-ink: #103a47;
}

.project-slide--accounting {
  --project-color: #336a8e;
  --project-ink: #193a55;
}

.project-slide--shipping {
  --project-color: #d17c42;
  --project-ink: #58351f;
}

.project-slide--marketing {
  --project-color: #6555a0;
  --project-ink: #332b5b;
}

.project-slide--flowers {
  --project-color: #a74f72;
  --project-ink: #54243b;
}

.project-slide--medical {
  --project-color: #278b8d;
  --project-ink: #16494d;
}

.project-slide--law {
  --project-color: #526b53;
  --project-ink: #293c2d;
}

.project-slide--law .project-copy h1 {
  font-size: clamp(2.1rem, 4.25vw, 3.6rem);
}

.eyebrow__separator {
  color: #a1a9ad;
  font-weight: 400;
}

.project-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(14rem, 0.6fr);
  align-items: center;
  gap: clamp(2rem, 6vw, 6rem);
}

.project-copy h1 {
  max-width: 18ch;
  color: var(--project-ink);
  font-size: clamp(2.5rem, 5.8vw, 5.2rem);
}

.project-points {
  display: grid;
  gap: 0.7rem;
  margin: 1.8rem 0 0;
  padding: 0;
  list-style: none;
}

.project-points li {
  position: relative;
  padding-inline-start: 1.5rem;
  color: #354958;
  font-size: clamp(0.98rem, 1.45vw, 1.12rem);
  line-height: 1.75;
}

.project-points li::before {
  position: absolute;
  inset-block-start: 0.68em;
  inset-inline-start: 0.15rem;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--project-color);
  content: "";
}

.project-note {
  max-width: 48rem;
  margin: 1.5rem 0 0;
  padding-inline-start: 0.9rem;
  border-inline-start: 2px solid var(--project-color);
  color: var(--muted-color);
  font-size: 0.9rem;
  line-height: 1.8;
}

.project-panel {
  position: relative;
  isolation: isolate;
  display: flex;
  min-height: 19rem;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  overflow: hidden;
  padding: 2rem;
  border-radius: 1rem;
  color: #fff;
  background-color: var(--project-ink);
  box-shadow: 0 1.5rem 3rem rgb(25 42 52 / 13%);
  text-align: center;
}

.project-panel::after {
  position: absolute;
  z-index: -1;
  inset: 0;
  background: linear-gradient(145deg, rgb(16 32 43 / 35%), rgb(16 32 43 / 88%));
  content: "";
}

.project-panel__image {
  position: absolute;
  z-index: -2;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 350ms ease;
}

.project-panel:hover .project-panel__image {
  transform: scale(1.04);
}

.project-mark {
  display: grid;
  width: clamp(4rem, 7vw, 5.5rem);
  height: clamp(4rem, 7vw, 5.5rem);
  place-items: center;
  border: 1px solid rgb(255 255 255 / 40%);
  border-radius: 50%;
  background: rgb(255 255 255 / 12%);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
}

.project-panel__label {
  font-size: clamp(1rem, 1.8vw, 1.35rem);
  font-weight: 700;
}

.project-panel__caption {
  max-width: 20rem;
  color: rgb(255 255 255 / 82%);
  font-size: 0.93rem;
  line-height: 1.8;
}

.slide-counter {
  position: absolute;
  z-index: 3;
  inset-block-start: 1.6rem;
  inset-inline-end: var(--slide-gutter);
  display: flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--primary-deep);
  direction: ltr;
  font-size: 0.95rem;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}

.slide-counter__divider {
  color: #9aa5ad;
  font-weight: 400;
}

.controls {
  position: absolute;
  z-index: 3;
  inset-inline-start: var(--slide-gutter);
  bottom: 1.5rem;
  display: flex;
  gap: 0.65rem;
}

.control-button {
  display: inline-flex;
  min-width: 7.25rem;
  min-height: 2.85rem;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1rem;
  border: 1px solid rgb(25 58 85 / 22%);
  border-radius: 999px;
  color: var(--primary-color);
  background: rgb(255 255 255 / 75%);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 700;
  transition: background-color 160ms ease, color 160ms ease, border-color 160ms ease;
}

.control-button svg {
  width: 1rem;
  height: 1rem;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.control-button:hover:not(:disabled) {
  border-color: var(--primary-color);
  background: #fff;
}

.control-button--primary {
  border-color: var(--primary-color);
  color: #fff;
  background: var(--primary-color);
}

.control-button--primary:hover:not(:disabled) {
  border-color: var(--primary-deep);
  background: var(--primary-deep);
}

.control-button:focus-visible {
  outline: 3px solid var(--accent-color);
  outline-offset: 3px;
}

.control-button:disabled {
  cursor: not-allowed;
  opacity: 0.48;
}

.progress-track {
  position: absolute;
  z-index: 4;
  inset-inline: 0;
  bottom: 0;
  height: 3px;
  overflow: hidden;
  background: rgb(25 58 85 / 12%);
}

.progress-bar {
  width: 100%;
  height: 100%;
  background: var(--accent-color);
  transform: scaleX(1);
  transform-origin: right center;
  transition: transform 200ms ease;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 600px) {
  .presentation {
    min-height: 30rem;
  }

  .slide {
    align-items: start;
    padding-block: 7rem 7.5rem;
  }

  .intro-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 1.5rem;
  }

  .intro-copy h1 {
    font-size: clamp(2.6rem, 10vw, 3.5rem);
  }

  .intro-copy .slide__description {
    margin-block-start: 0.85rem;
    font-size: 0.95rem;
  }

  .intro-facts {
    gap: 0.6rem 1rem;
    margin-block-start: 1rem;
    font-size: 0.75rem;
  }

  .intro-start {
    min-height: 2.75rem;
    margin-block-start: 1.1rem;
  }

  .project-index {
    padding: 1rem;
  }

  .project-index__grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.4rem;
  }

  .project-choice {
    min-height: 2.9rem;
  }

  .eyebrow {
    margin-block-end: 1.2rem;
  }

  .slide__description {
    margin-block-start: 1.1rem;
  }

  .project-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 1.5rem;
  }

  .project-copy h1 {
    font-size: clamp(2.45rem, 10vw, 3.5rem);
  }

  .project-points {
    gap: 0.45rem;
    margin-block-start: 1.25rem;
  }

  .project-note {
    margin-block-start: 1rem;
  }

  .project-panel {
    min-height: 0;
    min-height: 10rem;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 0.85rem;
    padding: 1rem 1.25rem;
    border-radius: 0.7rem;
    text-align: start;
  }

  .project-mark {
    flex: 0 0 3rem;
    width: 3rem;
    height: 3rem;
    font-size: 1.5rem;
  }

  .project-panel__label,
  .project-panel__caption {
    max-width: none;
  }

  .project-panel__label {
    font-size: 0.95rem;
  }

  .project-panel__caption {
    margin-inline-start: 0;
    text-align: start;
    font-size: 0.78rem;
  }

  .controls {
    inset-inline: var(--slide-gutter);
    bottom: 1.25rem;
    justify-content: space-between;
  }

  .control-button {
    min-width: 0;
    min-height: 2.75rem;
    padding-inline: 1.1rem;
  }
}

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

@media print {
  @page {
    size: landscape;
    margin: 0;
  }

  html,
  body {
    width: 100%;
    height: auto;
    min-width: 0;
    background: #fff;
    print-color-adjust: exact;
    -webkit-print-color-adjust: exact;
  }

  .presentation,
  .deck {
    width: 100%;
    height: auto;
    min-height: 0;
    overflow: visible;
    background: #fff;
  }

  .slide,
  .slide.is-active {
    position: relative;
    display: grid;
    width: 100%;
    height: 100vh;
    min-height: 0;
    break-after: page;
    page-break-after: always;
    overflow: hidden;
    visibility: visible;
    opacity: 1;
  }

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

  .slide-counter,
  .controls,
  .progress-track {
    display: none !important;
  }
}