:root {
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'DM Sans', system-ui, sans-serif;
  --navy: #07111F;
  --dark-blue: #0D2440;
  --dark-green: #0A2418;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --dur: 0.55s;
}

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

html, body {
  width: 100%; height: 100%;
  overflow: hidden;
  background: var(--navy);
  font-family: var(--font-sans);
  color: white;
  -webkit-font-smoothing: antialiased;
}

/* ── Progress bar ── */
.progress-bar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: rgba(255,255,255,0.1);
  z-index: 200;
}
.progress-bar__fill {
  height: 100%;
  background: rgba(255,255,255,0.5);
  transition: width var(--dur) var(--ease);
}
.deck--light .progress-bar__fill { background: rgba(13,36,64,0.45); }

/* ── Nav ── */
.pres-nav {
  position: fixed;
  top: 2px; left: 0; right: 0;
  height: 56px;
  z-index: 150;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 48px;
  pointer-events: none;
  transition: color var(--dur);
}
.pres-nav__brand,
.pres-nav__controls { pointer-events: auto; }

.pres-nav__brand {
  display: flex; align-items: center; gap: 10px;
  color: rgba(255,255,255,0.85); text-decoration: none;
  font-size: 13px; font-weight: 500; letter-spacing: 0.01em;
  transition: color var(--dur);
}
.deck--light ~ .pres-nav .pres-nav__brand { color: rgba(13,36,64,0.75); }

.pres-nav__controls {
  display: flex; align-items: center; gap: 20px;
}
.pres-nav__back {
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  font-size: 12px;
  letter-spacing: 0.03em;
  transition: color 0.2s;
}
.pres-nav__back:hover { color: rgba(255,255,255,0.9); }

.lang-toggle {
  display: flex;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 4px;
  overflow: hidden;
}
.lang-btn {
  padding: 4px 11px;
  font-size: 10px; font-weight: 500;
  letter-spacing: 0.06em;
  background: transparent; border: none;
  color: rgba(255,255,255,0.4);
  cursor: pointer;
  font-family: var(--font-sans);
  transition: background 0.2s, color 0.2s;
}
.lang-btn.active {
  background: rgba(255,255,255,0.16);
  color: white;
}

/* Light slide nav overrides */
.pres-nav--light .pres-nav__back { color: rgba(13,36,64,0.5); }
.pres-nav--light .pres-nav__back:hover { color: rgba(13,36,64,0.9); }
.pres-nav--light .lang-toggle { border-color: rgba(13,36,64,0.25); }
.pres-nav--light .lang-btn { color: rgba(13,36,64,0.45); }
.pres-nav--light .lang-btn.active { background: rgba(13,36,64,0.1); color: #0D2440; }
.pres-nav--light .pres-nav__brand { color: rgba(13,36,64,0.7); }

/* ── Nav click zones ── */
.nav-zone {
  position: fixed;
  top: 0; bottom: 0;
  width: 10%;
  z-index: 100;
  cursor: pointer;
  display: flex;
  align-items: center;
}
.nav-zone--prev { left: 0; justify-content: flex-start; padding-left: 24px; }
.nav-zone--next { right: 0; justify-content: flex-end; padding-right: 24px; }
.nav-zone--hidden { pointer-events: none; }
.nav-zone--hidden .nav-arrow { opacity: 0 !important; }

.nav-arrow {
  width: 44px; height: 44px;
  border: 1.5px solid rgba(255,255,255,0.25);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 19px;
  opacity: 0;
  transition: opacity 0.25s, background 0.25s;
  color: white;
}
.nav-zone:hover .nav-arrow { opacity: 1; background: rgba(255,255,255,0.1); }

/* Light slide arrow overrides */
body.is-light .nav-arrow { border-color: rgba(13,36,64,0.3); color: #0D2440; }
body.is-light .nav-zone:hover .nav-arrow { background: rgba(13,36,64,0.07); }

/* ── Slide dots ── */
.slide-counter {
  position: fixed;
  bottom: 26px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 150;
  display: flex;
  gap: 7px;
  align-items: center;
}
.slide-dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: rgba(255,255,255,0.25);
  transition: background 0.3s, transform 0.3s;
  cursor: pointer;
}
.slide-dot--active { background: rgba(255,255,255,0.82); transform: scale(1.5); }
body.is-light .slide-dot { background: rgba(13,36,64,0.2); }
body.is-light .slide-dot--active { background: rgba(13,36,64,0.65); }

/* ── Deck & slides ── */
.deck {
  position: fixed;
  inset: 0;
  overflow: hidden;
}
.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur) var(--ease);
}
.slide--active {
  opacity: 1;
  pointer-events: auto;
}

/* ── Shared primitives ── */
.slide__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}
.slide__overlay {
  position: absolute;
  inset: 0;
  background: rgba(7, 17, 31, 0.68);
}
.slide__overlay--left {
  background: linear-gradient(to right, rgba(7,17,31,0.90) 42%, rgba(7,17,31,0.25) 100%);
}
.slide__overlay--heavy {
  background: rgba(7, 17, 31, 0.76);
}

.slide__eyebrow {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: rgba(255,255,255,0.45);
  text-transform: uppercase;
  margin-bottom: 14px;
}

.slide__headline {
  font-family: var(--font-serif);
  font-size: clamp(30px, 3.6vw, 54px);
  font-weight: 500;
  line-height: 1.15;
  color: white;
  margin-bottom: 20px;
}
.slide__headline--large { font-size: clamp(34px, 4.8vw, 70px); }
.slide__headline--dark  { color: #0D2440; }

.slide__sub {
  font-size: clamp(13px, 1.4vw, 17px);
  font-weight: 300;
  color: rgba(255,255,255,0.68);
  line-height: 1.65;
  max-width: 520px;
}

/* ── Content wrappers ── */
.slide__content {
  position: relative;
  z-index: 10;
  width: 100%;
  height: 100%;
}
.slide__content--center {
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center;
  padding: 76px 48px 60px;
}
.slide__content--padded {
  display: flex; flex-direction: column;
  justify-content: center;
  padding: 72px 80px 60px;
  height: 100%;
}
.slide__content--split {
  display: flex;
  height: 100%;
}
.slide__content--service {
  display: flex; flex-direction: column;
  justify-content: center;
  padding: 72px 80px 60px;
  max-width: 580px;
}
.slide__content--cta {
  display: flex; align-items: center;
  gap: 72px;
  padding: 72px 80px 60px;
  height: 100%;
}

/* ════════════════════════════════
   SLIDE 1 — COVER
════════════════════════════════ */
.cover__chips {
  display: flex; align-items: center; gap: 14px;
  margin-top: 32px; flex-wrap: wrap; justify-content: center;
}
.cover__chip {
  font-size: 12px; font-weight: 400;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.6);
}
.cover__chip--dot { color: rgba(255,255,255,0.25); }

.cover__founded {
  position: absolute;
  bottom: 56px; right: 56px;
  font-size: 11px; letter-spacing: 0.1em;
  color: rgba(255,255,255,0.3);
  text-transform: uppercase;
}
.slide__scroll-hint {
  position: absolute;
  bottom: 56px; left: 50%;
  transform: translateX(-50%);
  font-size: 10px; letter-spacing: 0.16em;
  color: rgba(255,255,255,0.3);
  text-transform: uppercase;
  text-align: center;
}
.slide__scroll-hint::after {
  content: '';
  display: block;
  width: 1px; height: 26px;
  background: rgba(255,255,255,0.2);
  margin: 8px auto 0;
}

/* ════════════════════════════════
   SLIDE 2 — ABOUT
════════════════════════════════ */
.slide--about {
  background: #060D1A;
  overflow: hidden;
}
.slide--about::before {
  content: '1999';
  position: absolute;
  font-family: var(--font-serif);
  font-size: clamp(160px, 22vw, 300px);
  font-weight: 600;
  color: rgba(255,255,255,0.028);
  bottom: -30px; left: 40px;
  letter-spacing: -0.02em;
  pointer-events: none;
  z-index: 1;
  line-height: 1;
}

.split__left {
  flex: 1;
  display: flex; flex-direction: column; justify-content: center;
  padding: 80px 56px 80px 80px;
  position: relative;
}
.split__left::after {
  content: '';
  position: absolute;
  top: 15%; right: 0; bottom: 15%;
  width: 1px;
  background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.12) 30%, rgba(255,255,255,0.12) 70%, transparent);
}
.split__right {
  flex: 1.15;
  display: flex; flex-direction: column; justify-content: center;
  padding: 80px 80px 80px 56px;
}

.about__stats {
  display: flex; flex-direction: column;
  gap: 20px;
  margin-top: 32px;
}
.about__stat {
  display: flex; align-items: baseline; gap: 16px;
}
.about__num {
  font-family: var(--font-serif);
  font-size: clamp(60px, 7.5vw, 104px);
  font-weight: 500;
  line-height: 1;
  background: linear-gradient(135deg, #7ec8ff 0%, #4ecba0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.about__plus { font-size: 0.55em; }
.about__label {
  font-size: 13px; font-weight: 300;
  color: rgba(255,255,255,0.45);
  line-height: 1.5;
}

.about__desc {
  font-size: 15px; font-weight: 300;
  color: rgba(255,255,255,0.65);
  line-height: 1.8;
  margin-bottom: 28px;
  max-width: 420px;
}
.about__companies {
  display: flex; flex-direction: column;
  gap: 0; margin-bottom: 28px;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px;
  overflow: hidden;
}
.about__company {
  display: flex; align-items: center; gap: 16px;
  padding: 14px 18px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: background 0.2s;
}
.about__company:last-child { border-bottom: none; }
.about__company:nth-child(1) { border-left: 3px solid #4ecba0; }
.about__company:nth-child(2) { border-left: 3px solid #6ab0f5; }
.about__company:nth-child(3) { border-left: 3px solid #e8a84e; }
.about__company-icon { font-size: 18px; opacity: 0.9; }
.about__company-name {
  font-size: 13px; font-weight: 500; color: rgba(255,255,255,0.9);
}
.about__company-role {
  font-size: 11px; color: rgba(255,255,255,0.38);
  margin-top: 2px;
}
.about__tagline {
  font-size: 11px; color: rgba(255,255,255,0.28);
  letter-spacing: 0.06em; font-style: italic;
}

/* ════════════════════════════════
   SLIDE 3 — PROBLEM
════════════════════════════════ */
.slide--problem {
  background: #080E1C;
  overflow: hidden;
}
.slide--problem::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 80% 50%, rgba(120,20,20,0.18) 0%, transparent 65%);
  pointer-events: none;
  z-index: 1;
}
/* override --dark class for this dark-bg slide */
.slide--problem .slide__headline--dark { color: white; }

.problem__list {
  display: flex; flex-direction: column;
  gap: 0;
  margin-top: 28px;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.problem__item {
  display: flex; align-items: center; gap: 28px;
  padding: 18px 4px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  background: transparent;
}
.problem__num {
  font-family: var(--font-serif);
  font-size: clamp(36px, 4vw, 52px);
  font-weight: 500;
  color: rgba(255,255,255,0.1);
  min-width: 64px;
  line-height: 1;
  flex-shrink: 0;
}
.problem__text {
  font-size: clamp(13px, 1.5vw, 16px);
  color: rgba(255,255,255,0.78);
  font-weight: 300; line-height: 1.5;
}
.problem__footer {
  margin-top: 28px;
  display: inline-flex; align-items: center; gap: 10px;
  padding: 12px 22px;
  background: linear-gradient(90deg, #185FA5, #1472C4);
  border-radius: 6px;
  font-size: 13px; font-weight: 500;
  color: white; letter-spacing: 0.02em;
  align-self: flex-start;
}

/* ════════════════════════════════
   SLIDE 4 — SOLUTION
════════════════════════════════ */
.slide--solution { background: var(--navy); }

.solution__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 12px;
  overflow: hidden;
  margin-top: 28px; margin-bottom: 24px;
}
.solution__col {
  padding: 26px 26px 30px;
  background: rgba(255,255,255,0.03);
}
.solution__icon { font-size: 26px; margin-bottom: 10px; }
.solution__title {
  font-size: 17px; font-weight: 500; color: white;
  margin-bottom: 14px; padding-bottom: 10px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.solution__list { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.solution__list li {
  font-size: 13px; color: rgba(255,255,255,0.6);
  font-weight: 300; padding-left: 14px; position: relative;
}
.solution__list li::before {
  content: '›'; position: absolute; left: 0;
  color: rgba(255,255,255,0.28);
}
.solution__tagline {
  font-size: 12px; color: rgba(255,255,255,0.3);
  letter-spacing: 0.06em; font-style: italic; text-align: center;
}

/* ════════════════════════════════
   SLIDES 5–7 — SERVICES
════════════════════════════════ */
.service__desc {
  font-size: 13px; font-weight: 300;
  color: rgba(255,255,255,0.68);
  line-height: 1.75; margin-bottom: 24px;
  max-width: 440px;
}
.service__features { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.service__features li {
  font-size: 13px; color: rgba(255,255,255,0.8);
  font-weight: 300; padding: 11px 16px;
  border-left: 2px solid rgba(255,255,255,0.28);
  background: rgba(255,255,255,0.06);
  border-radius: 0 6px 6px 0;
}
.service__grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 10px; margin-top: 4px;
}
.service__grid-item {
  padding: 14px 15px;
  background: rgba(255,255,255,0.07);
  border-radius: 8px;
}
.service__grid-title {
  font-size: 12px; font-weight: 500; color: white;
  margin-bottom: 5px;
}
.service__grid-text {
  font-size: 12px; color: rgba(255,255,255,0.52);
  font-weight: 300; line-height: 1.5;
}

/* ════════════════════════════════
   SLIDE 7 — PROCESS
════════════════════════════════ */
.slide--process {
  background: #060D1A;
  overflow: hidden;
}
.slide--process::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 20% 60%, rgba(15,110,86,0.15) 0%, transparent 55%);
  pointer-events: none;
  z-index: 1;
}
.slide--process .slide__headline--dark { color: white; }

.process__steps {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 12px;
  overflow: hidden;
  margin-top: 28px; margin-bottom: 22px;
}
.process__step {
  padding: 20px 14px;
  background: rgba(255,255,255,0.03);
  display: flex; flex-direction: column; gap: 10px;
}
.process__num {
  font-family: var(--font-serif);
  font-size: 22px; font-weight: 500;
  color: rgba(255,255,255,0.2);
  line-height: 1;
}
.process__label {
  font-size: 11px; color: rgba(255,255,255,0.55);
  font-weight: 400; line-height: 1.4;
}

.process__note {
  font-size: 12px; color: rgba(255,255,255,0.3);
  font-style: italic; margin-bottom: 18px;
}
.process__formats { display: flex; gap: 10px; flex-wrap: wrap; }
.process__formats span {
  padding: 9px 20px;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.7);
  border-radius: 6px;
  font-size: 12px; font-weight: 400;
  letter-spacing: 0.02em;
}

/* ════════════════════════════════
   SLIDE 8 — BENEFITS
════════════════════════════════ */
.slide--benefits {
  background: #081A0F;
  overflow: hidden;
}
.slide--benefits::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('../assets/svc-landscape.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.07;
  z-index: 0;
}
.slide--benefits::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 100% 0%, rgba(15,110,86,0.3) 0%, transparent 55%);
  pointer-events: none;
  z-index: 1;
}

.benefits__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 28px;
}
.benefits__card {
  padding: 24px;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px;
  background: rgba(255,255,255,0.04);
  backdrop-filter: blur(4px);
}
.benefits__icon {
  font-size: 22px;
  color: rgba(255,255,255,0.3);
  margin-bottom: 12px;
  display: block;
}

.benefits__title {
  font-size: 14px; font-weight: 500;
  color: white; margin-bottom: 8px;
}
.benefits__text {
  font-size: 12px; color: rgba(255,255,255,0.55);
  font-weight: 300; line-height: 1.6;
}

/* ════════════════════════════════
   SLIDE 10 — CTA
════════════════════════════════ */
.cta__left { flex: 1.3; }
.cta__headline {
  font-family: var(--font-serif);
  font-size: clamp(26px, 3.2vw, 50px);
  font-weight: 500;
  line-height: 1.22;
  color: white;
  margin-top: 10px;
}
.cta__right { flex: 0 0 300px; }
.cta__box {
  padding: 30px;
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 12px;
  background: rgba(255,255,255,0.07);
  display: flex; flex-direction: column; gap: 14px;
}
.cta__box-label {
  font-size: 10px; letter-spacing: 0.16em;
  color: rgba(255,255,255,0.4); text-transform: uppercase;
  margin-bottom: 2px;
}
.cta__contact {
  display: flex; align-items: center; gap: 12px;
  color: rgba(255,255,255,0.78);
  text-decoration: none; font-size: 13px;
  transition: color 0.2s;
}
.cta__contact:hover { color: white; }
.cta__contact i { opacity: 0.45; font-size: 15px; }
.cta__site-link {
  font-size: 11px; color: rgba(255,255,255,0.3);
  text-decoration: none; margin-top: 4px;
  letter-spacing: 0.02em; display: block;
}

/* ════════════════════════════════
   ANIMATIONS
════════════════════════════════ */

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(26px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes fadeLeft {
  from { opacity: 0; transform: translateX(-22px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.93) translateY(12px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}
@keyframes kenBurns {
  from { transform: scale(1); }
  to   { transform: scale(1.07); }
}
@keyframes lineGrow {
  from { width: 0; opacity: 0; }
  to   { width: 100%; opacity: 1; }
}

/* ── Photo background drift ── */
.slide--service .slide__bg,
.slide--cover .slide__bg,
.slide--cta .slide__bg {
  transform-origin: center;
}
.slide--service.slide--active .slide__bg,
.slide--cover.slide--active .slide__bg,
.slide--cta.slide--active .slide__bg {
  animation: kenBurns 12s cubic-bezier(0.25, 0, 0.75, 1) forwards;
}

/* ── Hidden by default ── */
.slide .slide__eyebrow,
.slide .slide__headline,
.slide .slide__sub,
.slide .cover__chips,
.slide .cover__founded,
.slide .slide__scroll-hint,
.slide .about__stat,
.slide .about__desc,
.slide .about__company,
.slide .about__tagline,
.slide .problem__item,
.slide .problem__footer,
.slide .solution__grid,
.slide .solution__tagline,
.slide .service__desc,
.slide .service__features li,
.slide .service__grid-item,
.slide .process__steps,
.slide .process__note,
.slide .process__formats,
.slide .benefits__card,
.slide .cta__left,
.slide .cta__right {
  opacity: 0;
}

/* ── Common: eyebrow + headline + sub ── */
.slide--active .slide__eyebrow {
  animation: fadeUp 0.5s var(--ease) 0.08s forwards;
}
.slide--active .slide__headline {
  animation: fadeUp 0.65s var(--ease) 0.22s forwards;
}
.slide--active .slide__sub {
  animation: fadeUp 0.55s var(--ease) 0.42s forwards;
}

/* ── Cover ── */
.slide--cover.slide--active .cover__chips {
  animation: fadeUp 0.5s var(--ease) 0.58s forwards;
}
.slide--cover.slide--active .cover__founded {
  animation: fadeIn 0.6s var(--ease) 0.8s forwards;
}
.slide--cover.slide--active .slide__scroll-hint {
  animation: fadeIn 0.6s var(--ease) 1.0s forwards;
}

/* ── About ── */
.slide--about.slide--active .about__stat:nth-child(1) {
  animation: fadeLeft 0.6s var(--ease) 0.38s forwards;
}
.slide--about.slide--active .about__stat:nth-child(2) {
  animation: fadeLeft 0.6s var(--ease) 0.54s forwards;
}
.slide--about.slide--active .about__desc {
  animation: fadeUp 0.5s var(--ease) 0.32s forwards;
}
.slide--about.slide--active .about__company:nth-child(1) {
  animation: fadeUp 0.45s var(--ease) 0.44s forwards;
}
.slide--about.slide--active .about__company:nth-child(2) {
  animation: fadeUp 0.45s var(--ease) 0.57s forwards;
}
.slide--about.slide--active .about__company:nth-child(3) {
  animation: fadeUp 0.45s var(--ease) 0.70s forwards;
}
.slide--about.slide--active .about__tagline {
  animation: fadeIn 0.5s var(--ease) 0.88s forwards;
}

/* ── Problem ── */
.slide--problem.slide--active .problem__item:nth-child(1) {
  animation: fadeUp 0.5s var(--ease) 0.38s forwards;
}
.slide--problem.slide--active .problem__item:nth-child(2) {
  animation: fadeUp 0.5s var(--ease) 0.52s forwards;
}
.slide--problem.slide--active .problem__item:nth-child(3) {
  animation: fadeUp 0.5s var(--ease) 0.66s forwards;
}
.slide--problem.slide--active .problem__item:nth-child(4) {
  animation: fadeUp 0.5s var(--ease) 0.80s forwards;
}
.slide--problem.slide--active .problem__footer {
  animation: fadeUp 0.5s var(--ease) 0.96s forwards;
}

/* ── Solution ── */
.slide--solution.slide--active .solution__grid {
  animation: fadeUp 0.65s var(--ease) 0.35s forwards;
}
.slide--solution.slide--active .solution__tagline {
  animation: fadeIn 0.5s var(--ease) 0.72s forwards;
}

/* ── Service slides ── */
.slide--service.slide--active .service__desc {
  animation: fadeUp 0.5s var(--ease) 0.38s forwards;
}
.slide--service.slide--active .service__features li:nth-child(1) {
  animation: fadeLeft 0.45s var(--ease) 0.50s forwards;
}
.slide--service.slide--active .service__features li:nth-child(2) {
  animation: fadeLeft 0.45s var(--ease) 0.62s forwards;
}
.slide--service.slide--active .service__features li:nth-child(3) {
  animation: fadeLeft 0.45s var(--ease) 0.74s forwards;
}
.slide--service.slide--active .service__features li:nth-child(4) {
  animation: fadeLeft 0.45s var(--ease) 0.86s forwards;
}
.slide--service.slide--active .service__features li:nth-child(5) {
  animation: fadeLeft 0.45s var(--ease) 0.98s forwards;
}
.slide--service.slide--active .service__grid-item:nth-child(1) {
  animation: scaleIn 0.45s var(--ease) 0.48s forwards;
}
.slide--service.slide--active .service__grid-item:nth-child(2) {
  animation: scaleIn 0.45s var(--ease) 0.60s forwards;
}
.slide--service.slide--active .service__grid-item:nth-child(3) {
  animation: scaleIn 0.45s var(--ease) 0.72s forwards;
}
.slide--service.slide--active .service__grid-item:nth-child(4) {
  animation: scaleIn 0.45s var(--ease) 0.84s forwards;
}

/* ── Process ── */
.slide--process.slide--active .process__steps {
  animation: fadeUp 0.65s var(--ease) 0.35s forwards;
}
.slide--process.slide--active .process__note {
  animation: fadeIn 0.5s var(--ease) 0.62s forwards;
}
.slide--process.slide--active .process__formats {
  animation: fadeUp 0.5s var(--ease) 0.72s forwards;
}

/* ── Benefits ── */
.slide--benefits.slide--active .benefits__card:nth-child(1) {
  animation: scaleIn 0.5s var(--ease) 0.30s forwards;
}
.slide--benefits.slide--active .benefits__card:nth-child(2) {
  animation: scaleIn 0.5s var(--ease) 0.44s forwards;
}
.slide--benefits.slide--active .benefits__card:nth-child(3) {
  animation: scaleIn 0.5s var(--ease) 0.58s forwards;
}
.slide--benefits.slide--active .benefits__card:nth-child(4) {
  animation: scaleIn 0.5s var(--ease) 0.72s forwards;
}

/* ── CTA ── */
.slide--cta.slide--active .cta__left {
  animation: fadeUp 0.7s var(--ease) 0.18s forwards;
}
.slide--cta.slide--active .cta__right {
  animation: fadeUp 0.7s var(--ease) 0.42s forwards;
}

/* ── Active dot pulse ── */
@keyframes dotPulse {
  0%   { box-shadow: 0 0 0 0 rgba(255,255,255,0.4); }
  70%  { box-shadow: 0 0 0 5px rgba(255,255,255,0); }
  100% { box-shadow: 0 0 0 0 rgba(255,255,255,0); }
}
.slide-dot--active {
  animation: dotPulse 1.8s ease-out 0.3s infinite;
}

/* ════════════════════════════════
   RESPONSIVE
════════════════════════════════ */
@media (max-width: 900px) {
  .slide__content--split { flex-direction: column; }
  .split__left, .split__right {
    padding: 44px 32px 24px;
    border-right: none;
    border-bottom: 1px solid rgba(255,255,255,0.07);
  }
  .solution__grid { grid-template-columns: 1fr; }
  .process__steps { grid-template-columns: repeat(4, 1fr); }
  .slide__content--cta { flex-direction: column; gap: 28px; align-items: flex-start; }
  .cta__right { width: 100%; flex: none; }
  .cta__box { max-width: 340px; }
}

@media (max-width: 640px) {
  /* Allow slides to scroll internally on mobile */
  .slide { overflow-y: auto; -webkit-overflow-scrolling: touch; }

  .pres-nav { padding: 0 20px; height: 48px; }
  .nav-zone { display: none; }
  .slide-counter { bottom: 16px; }

  /* Content padding */
  .slide__content--padded  { padding: 60px 22px 44px; }
  .slide__content--service { padding: 60px 22px 44px; max-width: none; }
  .slide__content--center  { padding: 64px 22px 48px; }
  .slide__content--cta     { padding: 60px 22px 44px; gap: 24px; }

  /* About split */
  .slide__content--split { flex-direction: column; }
  .split__left { padding: 56px 22px 20px; border-bottom: 1px solid rgba(255,255,255,0.07); }
  .split__right { padding: 20px 22px 40px; }
  .split__left::after { display: none; }
  .about__stats { flex-direction: row; gap: 24px; margin-top: 18px; }
  .about__stat { flex-direction: column; gap: 4px; }
  .about__num { font-size: 48px; }
  .about__label { font-size: 11px; }
  .about__desc { font-size: 13px; margin-bottom: 18px; }
  .about__company { padding: 10px 14px; }
  .about__company-name { font-size: 12px; }

  /* Problem */
  .problem__item { padding: 13px 4px; gap: 16px; }
  .problem__num { font-size: clamp(24px, 7vw, 36px); min-width: 44px; }
  .problem__text { font-size: 13px; }

  /* Process */
  .process__steps { grid-template-columns: repeat(4, 1fr); }
  .process__step { padding: 12px 8px; gap: 6px; }
  .process__num { font-size: 16px; }
  .process__label { font-size: 10px; }
  .process__formats { flex-wrap: wrap; gap: 8px; }
  .process__formats span { font-size: 11px; padding: 7px 14px; }

  /* Benefits */
  .benefits__grid { grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 18px; }
  .benefits__card { padding: 16px; }
  .benefits__title { font-size: 12px; }
  .benefits__text { font-size: 11px; }
  .benefits__icon { font-size: 18px; margin-bottom: 8px; }

  /* Service */
  .service__grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .service__grid-item { padding: 10px 12px; }
  .service__features li { padding: 9px 12px; font-size: 12px; }

  /* Typography */
  .slide__headline { font-size: clamp(24px, 6vw, 32px); margin-bottom: 14px; }
  .slide__headline--large { font-size: clamp(28px, 7vw, 40px); }
  .slide__eyebrow { margin-bottom: 10px; }
  .cta__headline { font-size: clamp(22px, 5.5vw, 34px); }
  .cover__chips { margin-top: 20px; gap: 10px; }
}