:root {
  --bg: #ffffff;
  --text: #0b0b0f;
  --muted: #64666b;
  --line: #dedede;
  --soft: #f7f7f7;
  --soft-2: #eeeeee;
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.065);
  --ease: cubic-bezier(.19, 1, .22, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: radial-gradient(circle at 50% -20%, #f5f5f5 0%, #fff 45%, #fafafa 100%);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", Inter, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: geometricPrecision;
}

.page {
  width: min(100%, 1440px);
  margin: 0 auto;
  padding: 42px clamp(22px, 5vw, 72px) 44px;
  overflow: hidden;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 36px;
}

.brand {
  color: var(--text);
  text-decoration: none;
  font-size: 23px;
  letter-spacing: 0.34em;
  font-weight: 600;
  line-height: 1;
}

.brand.small { font-size: 16px; letter-spacing: 0.38em; }
.header-line {
  display: block;
  width: 28px;
  height: 2px;
  background: var(--text);
  transform-origin: right center;
  animation: lineIn 1.2s var(--ease) both .45s;
}

.hero {
  min-height: 390px;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 98px 0 92px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 22px;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.34em;
  font-size: clamp(13px, 1.15vw, 17px);
  font-weight: 600;
}

.hero-title {
  max-width: 1050px;
  margin: 0;
  font-size: clamp(56px, 8.7vw, 126px);
  line-height: 0.92;
  letter-spacing: -0.078em;
  font-weight: 650;
}

.hero-text {
  max-width: 760px;
  margin: 36px auto 0;
  color: var(--muted);
  font-size: clamp(20px, 2.1vw, 29px);
  line-height: 1.4;
  letter-spacing: -0.025em;
}

.intro { opacity: 0; transform: translateY(34px); animation: introUp 1.25s var(--ease) forwards; }
.intro-1 { animation-delay: .08s; }
.intro-2 { animation-delay: .28s; }
.intro-3 { animation-delay: .45s; }
.intro-4 { animation-delay: .65s; }

.operational { margin-top: 8px; }
.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 26px;
}

.slider-controls {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--text);
}
.slider-btn {
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--text);
  font-size: 38px;
  line-height: 36px;
  cursor: pointer;
  transition: background 260ms ease, transform 260ms ease;
}
.slider-btn:hover { background: var(--soft-2); transform: scale(1.05); }
.slide-count { min-width: 72px; font-size: 17px; letter-spacing: 0.08em; }

.slider {
  position: relative;
  min-height: 265px;
  border: 1px solid var(--line);
  border-radius: 20px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.74);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.slide {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: 250px 1fr 230px;
  align-items: center;
  gap: 54px;
  padding: 54px 64px;
  opacity: 0;
  transform: translateX(70px) scale(0.975);
  filter: blur(8px);
  transition:
    opacity 900ms var(--ease),
    transform 900ms var(--ease),
    filter 900ms var(--ease);
  pointer-events: none;
}
.slide.is-active {
  opacity: 1;
  transform: translateX(0) scale(1);
  filter: blur(0);
  pointer-events: auto;
}
.slide-icon {
  color: var(--text);
  width: 112px;
  height: 112px;
  display: grid;
  place-items: center;
  justify-self: center;
  opacity: .95;
}
.slide-icon svg { width: 112px; height: 112px; }
.slide-copy {
  border-left: 1px solid var(--line);
  padding-left: 64px;
}
.slide-copy h2 {
  margin: 0 0 18px;
  font-size: clamp(28px, 3vw, 43px);
  letter-spacing: -0.045em;
  line-height: 1.05;
}
.slide-copy p {
  max-width: 610px;
  margin: 0;
  color: #2f3135;
  font-size: clamp(18px, 1.7vw, 25px);
  line-height: 1.48;
  letter-spacing: -0.02em;
}
.slide-number {
  justify-self: end;
  color: #c8c8c8;
  font-size: clamp(76px, 9vw, 142px);
  font-weight: 300;
  letter-spacing: -0.08em;
}

.progress {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin: 30px 0 72px;
}
.progress-dot {
  width: 62px;
  height: 5px;
  padding: 0;
  border: 0;
  background: #d5d5d5;
  border-radius: 99px;
  overflow: hidden;
  cursor: pointer;
}
.progress-dot span {
  display: block;
  width: 0%;
  height: 100%;
  background: #111;
  border-radius: inherit;
}
.progress-dot.is-active span { animation: progressFill 6.2s linear forwards; }

.domains { margin-top: 28px; }
.domain-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 28px;
}
.domain-card {
  min-height: 96px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.64);
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 22px;
  font-size: 18px;
  font-weight: 560;
  letter-spacing: -0.015em;
  transition: transform 450ms var(--ease), border-color 450ms ease, background 450ms ease;
}
.domain-card:hover {
  transform: translateY(-7px);
  border-color: #111;
  background: #fff;
}
.domain-icon {
  width: 32px;
  flex: 0 0 32px;
  font-size: 27px;
  display: inline-flex;
  justify-content: center;
  color: var(--text);
}

.footer {
  border-top: 1px solid var(--line);
  margin-top: 64px;
  padding-top: 26px;
  display: flex;
  align-items: center;
  gap: 72px;
  color: var(--muted);
  font-size: 15px;
}

.reveal {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity 1.05s var(--ease), transform 1.05s var(--ease);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

@keyframes introUp { to { opacity: 1; transform: translateY(0); } }
@keyframes lineIn { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@keyframes progressFill { from { width: 0%; } to { width: 100%; } }

@media (max-width: 1020px) {
  .hero { padding-top: 76px; min-height: 340px; }
  .slide { grid-template-columns: 150px 1fr 110px; gap: 28px; padding: 42px 38px; }
  .slide-copy { padding-left: 38px; }
  .slide-icon, .slide-icon svg { width: 78px; height: 78px; }
  .domain-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .domain-card:last-child { grid-column: span 2; }
}

@media (max-width: 720px) {
  .page { padding: 28px 18px 32px; }
  .brand { font-size: 18px; }
  .hero { min-height: 500px; padding: 70px 0 56px; }
  .hero-title { font-size: clamp(48px, 17vw, 78px); }
  .hero-text { font-size: 19px; }
  .section-head { align-items: flex-start; flex-direction: column; }
  .slider { min-height: 430px; }
  .slide { grid-template-columns: 1fr; gap: 20px; padding: 34px 26px; text-align: left; }
  .slide-copy { border-left: 0; border-top: 1px solid var(--line); padding: 24px 0 0; }
  .slide-number { position: absolute; right: 24px; top: 22px; font-size: 70px; }
  .slide-icon { justify-self: start; }
  .domain-grid { grid-template-columns: 1fr; gap: 14px; }
  .domain-card:last-child { grid-column: auto; }
  .footer { align-items: flex-start; flex-direction: column; gap: 16px; }
}