:root {
  --bg: #F8F7F4;
  --bg-alt: #F0EEE9;
  --ink: #111111;
  --gold: #C9A84C;
  --gray: rgba(0, 0, 0, 0.45);
  --gray-faint: rgba(0, 0, 0, 0.2);
  --font-display: "Bebas Neue", "Arial Narrow", sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --ease-premium: cubic-bezier(0.23, 1, 0.32, 1);
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  overflow: hidden;
  overscroll-behavior: none;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

p {
  margin: 0;
}

/* ---------- progress bar ---------- */

.progress-bar {
  position: fixed;
  top: 46px;
  left: 0;
  height: 2px;
  width: 0%;
  background: var(--gold);
  z-index: 1000;
  transition: width 0.6s var(--ease-premium);
}

/* ---------- language switcher ---------- */

.lang-switch {
  position: fixed;
  top: calc(46px + 0.8rem);
  left: 1.25rem;
  z-index: 950;
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  max-width: 55vw;
}

.lang-switch button {
  background: none;
  border: none;
  padding: 0;
  font-family: var(--font-body);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 1px;
  color: var(--gray-faint);
  cursor: pointer;
  transition: color 0.3s ease;
}

.lang-switch button:hover {
  color: var(--gray);
}

.lang-switch button.is-active {
  color: var(--gold);
}

[dir="rtl"] .lang-switch {
  left: auto;
  right: 1.25rem;
}

/* Arabic needs its own typeface — Bebas Neue / Inter have no Arabic glyphs */
html.lang-ar {
  --font-display: "Cairo", sans-serif;
  --font-body: "Cairo", sans-serif;
}

html.lang-ar .cover-logo,
html.lang-ar .cover-sub {
  letter-spacing: 0;
}

/* ---------- side dot navigation ---------- */

.dot-nav {
  position: fixed;
  right: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  z-index: 900;
}

.dot {
  width: 18px;
  height: 18px;
  padding: 0;
  border: none;
  background: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.dot::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  border: 1px solid var(--gold);
  background: transparent;
  transition: background 0.3s ease, transform 0.3s ease;
}

.dot.is-active::before {
  background: var(--gold);
  transform: scale(1.5);
}

.niche-indicator {
  position: absolute;
  right: 100%;
  top: 50%;
  transform: translateY(-50%);
  margin: 0 1rem 0 0;
  white-space: nowrap;
  font-size: 0.6rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gold);
  opacity: 0;
  transition: opacity 0.5s ease;
}

.niche-indicator.is-visible {
  opacity: 1;
}

/* ---------- deck / slides ---------- */

.deck {
  position: relative;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
}

.slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  opacity: 0;
  transform: perspective(1400px) translateY(46px) rotateX(-7deg) scale(0.97);
  pointer-events: none;
  transition: opacity 0.9s var(--ease-premium), transform 0.9s var(--ease-premium);
}

.slide.is-active {
  opacity: 1;
  transform: perspective(1400px) translateY(0) rotateX(0deg) scale(1);
  pointer-events: auto;
}

/* generic 3D pop-in for individual elements inside a slide, hand-staggered
   via .delay-N so it works regardless of each slide's internal layout */
.reveal-3d {
  opacity: 0;
  transform: perspective(800px) translateY(26px) rotateX(-16deg);
  transition: opacity 0.75s var(--ease-premium), transform 0.75s var(--ease-premium);
}

.slide.is-active .reveal-3d {
  opacity: 1;
  transform: perspective(800px) translateY(0) rotateX(0deg);
}

.delay-1 { transition-delay: 0.08s; }
.delay-2 { transition-delay: 0.18s; }
.delay-3 { transition-delay: 0.28s; }
.delay-4 { transition-delay: 0.38s; }
.delay-5 { transition-delay: 0.48s; }
.delay-6 { transition-delay: 0.58s; }

.slide-content {
  width: 100%;
  max-width: 1200px;
  padding: 0 2rem;
}

/* ---------- slide 01 — cover ---------- */

.slide-cover {
  flex-direction: column;
}

.cover-content {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.cover-logo {
  font-family: var(--font-display);
  font-size: clamp(3.4rem, 15vw, 8rem);
  letter-spacing: 0.12em;
  color: var(--ink);
  margin: 0;
  line-height: 1;
}

.cover-sub {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 4vw, 1.9rem);
  letter-spacing: 0.5em;
  color: var(--gold);
  margin: 0.8rem 0 0 0.5em;
}

.cover-rule {
  width: 64px;
  height: 1px;
  background: var(--gold);
  margin: 1.75rem auto;
}

.cover-tagline {
  font-weight: 300;
  font-size: clamp(0.95rem, 2.2vw, 1.2rem);
  color: var(--gray);
  max-width: 560px;
}

.cover-url {
  position: absolute;
  bottom: 2.5rem;
  left: 0;
  right: 0;
  text-align: center;
  font-size: 0.7rem;
  letter-spacing: 2px;
  color: var(--gray-faint);
}

/* ---------- slide 02 — contrast split ---------- */

.slide-split {
  align-items: stretch;
  padding: 0;
}

.split-panel {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.split-panel--left {
  background: var(--bg-alt);
}

.split-panel--right {
  background: var(--bg);
}

.split-divider {
  width: 1px;
  background: var(--gold);
  opacity: 0.4;
}

.split-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 6vw, 3.6rem);
  color: var(--gray);
  letter-spacing: 1px;
  margin: 0;
}

.split-title--ink {
  color: var(--ink);
}

.split-subtitle {
  font-size: clamp(1rem, 2.4vw, 1.3rem);
  font-weight: 300;
  color: var(--gray);
  margin: 0.6rem 0 2rem;
}

.split-subtitle--gold {
  color: var(--gold);
  font-weight: 500;
}

.split-list li {
  font-size: 0.95rem;
  color: var(--gray);
  padding: 0.55rem 0;
  border-top: 1px solid var(--gray-faint);
}

.split-list li:last-child {
  border-bottom: 1px solid var(--gray-faint);
}

.split-list--gold li {
  color: var(--gold);
  border-top: 1px solid rgba(201, 168, 76, 0.25);
}

.split-list--gold li:last-child {
  border-bottom: 1px solid rgba(201, 168, 76, 0.25);
}

/* ---------- slide 03 — statement ---------- */

.statement-content {
  text-align: center;
}

.statement-line {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 6vw, 3.4rem);
  line-height: 1.2;
  color: var(--ink);
  margin: 0;
}

.statement-line--gold {
  color: var(--gold);
  margin-top: 1.6rem;
}

.statement-rule {
  width: 64px;
  height: 1px;
  background: var(--gold);
  margin: 3rem auto;
}

.statement-columns {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem 2.5rem;
  font-size: 0.8rem;
  letter-spacing: 1px;
  color: var(--gray);
}

/* ---------- slide 04 — steps ---------- */

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2.5rem;
}

.step-number {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  color: var(--gold);
  margin: 0 0 0.5rem;
}

.step-title {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 2px;
  color: var(--ink);
  margin: 0 0 0.75rem;
}

.step-desc {
  font-size: 0.85rem;
  font-weight: 300;
  line-height: 1.6;
  color: var(--gray);
}

/* ---------- slides 05–09 — niches ---------- */

.slide-niche {
  align-items: flex-start;
  padding-top: 4rem;
  padding-bottom: 2rem;
  overflow-y: auto;
}

.niche-index {
  position: absolute;
  top: 3.5rem;
  left: 2.25rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 2px;
  color: var(--gold);
}

.niche-title {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 8vw, 5rem);
  line-height: 0.95;
  color: var(--ink);
  margin: 0;
}

.niche-rule {
  width: 64px;
  height: 1px;
  background: var(--gold);
  margin: 1.75rem 0 2.5rem;
}

.niche-body {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 3rem;
}

.niche-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 0.5rem;
}

.niche-label--ink {
  color: var(--ink);
  margin-top: 1.75rem;
}

.niche-text {
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.6;
  color: var(--gray);
  max-width: 46ch;
}

.niche-text--ink {
  color: var(--ink);
  font-weight: 400;
}

.niche-col-quote {
  border-left: 1px solid rgba(201, 168, 76, 0.3);
  padding-left: 2rem;
}

[dir="rtl"] .niche-index {
  left: auto;
  right: 2.25rem;
}

[dir="rtl"] .niche-col-quote {
  border-left: none;
  padding-left: 0;
  border-right: 1px solid rgba(201, 168, 76, 0.3);
  padding-right: 2rem;
}

.niche-quote {
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  font-weight: 500;
  color: var(--gold);
  line-height: 1.5;
}

/* ---------- slide 10 — stats ---------- */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 6vw, 4rem);
  color: var(--gold);
  margin: 0 0 0.75rem;
}

.stat-label {
  font-size: 0.82rem;
  font-weight: 300;
  line-height: 1.5;
  color: var(--ink);
}

.stats-footnote {
  text-align: center;
  margin-top: 3.5rem;
  font-size: 0.85rem;
  font-weight: 300;
  color: var(--gray);
}

/* ---------- slide 11 — cta ---------- */

.cta-content {
  text-align: center;
}

.cta-line {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 8vw, 4.6rem);
  color: var(--ink);
  letter-spacing: 1px;
  margin: 0;
  line-height: 1.1;
}

.cta-line--gold {
  color: var(--gold);
}

.cta-rule {
  width: 64px;
  height: 1px;
  background: var(--gold);
  margin: 2rem auto;
}

.cta-sub {
  font-size: 1rem;
  font-weight: 300;
  color: var(--gray);
  margin-bottom: 1rem;
}

.cta-contact {
  font-size: 1rem;
  font-weight: 400;
  color: var(--ink);
  margin-bottom: 3rem;
}

.cta-footer {
  font-size: 0.68rem;
  letter-spacing: 2px;
  color: var(--gray-faint);
}

/* ---------- mobile ---------- */

@media (max-width: 780px) {
  .slide-content {
    padding: 0 1.5rem;
  }

  .slide-split {
    flex-direction: column;
  }

  .split-divider {
    width: 100%;
    height: 1px;
  }

  .steps-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }

  .slide-niche {
    padding-top: 3.5rem;
    overflow-y: auto;
  }

  .niche-body {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .niche-col-quote {
    border-left: none;
    padding-left: 0;
    border-top: 1px solid rgba(201, 168, 76, 0.3);
    padding-top: 1.5rem;
  }

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

  .niche-indicator {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .slide,
  .reveal-3d,
  .progress-bar {
    transition: none;
  }
}

/* ═══ BYONEZ GLOBAL NAV — keep identical across every Byonez property ═══ */
.byo-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 46px;
  padding: 0 clamp(1rem, 4vw, 2rem);
  background: rgba(12, 11, 10, 0.55);
  -webkit-backdrop-filter: blur(14px) saturate(1.3);
  backdrop-filter: blur(14px) saturate(1.3);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
.byo-nav__brand {
  font-family: "Bebas Neue", "Arial Narrow", sans-serif;
  font-size: 1rem;
  letter-spacing: 0.28em;
  color: #fff;
  text-decoration: none;
  line-height: 1;
}
.byo-nav__links { display: flex; gap: clamp(0.9rem, 3vw, 1.8rem); }
.byo-nav__links a {
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  padding: 4px 0;
  border-bottom: 1px solid transparent;
  transition: color 0.3s ease, border-color 0.3s ease;
}
.byo-nav__links a:hover { color: #C9A84C; }
.byo-nav__links a.is-current { color: #C9A84C; border-color: #C9A84C; }
@media (max-width: 520px) {
  .byo-nav { height: 44px; padding: 0 0.9rem; }
  .byo-nav__links { gap: 0.85rem; }
  .byo-nav__links a { font-size: 0.58rem; letter-spacing: 0.1em; }
  .byo-nav__brand { font-size: 0.9rem; letter-spacing: 0.22em; }
}