:root {
  --zsf-navy: #011423;
  --zsf-yellow: #ffce02;
  --zsf-electric: #006dff;
  --zsf-violet: #5b2eff;
  --zsf-teal: #00b7b2;
  --zsf-white: #ffffff;
  --zsf-gray: #f5f7fa;
  --zsf-text: #17324d;
  --zsf-muted: #5b7086;
  --zsf-line: rgba(1, 20, 35, 0.08);
  --zsf-radius: 18px;
  --zsf-shadow: 0 18px 48px rgba(1, 20, 35, 0.08);
}

.zsf-page {
  background:
    radial-gradient(circle at top left, rgba(0, 109, 255, 0.08), transparent 22%),
    radial-gradient(circle at top right, rgba(91, 46, 255, 0.08), transparent 20%),
    linear-gradient(180deg, #f8fbff 0%, #ffffff 24%, #f5f7fa 100%);
  color: var(--zsf-text);
}

.zsf-hero,
.zsf-section {
  padding: 48px 0;
}

.zsf-hero {
  overflow: clip;
  background:
    linear-gradient(180deg, rgba(3, 12, 27, 0.82) 0%, rgba(3, 12, 27, 0.78) 100%),
    radial-gradient(circle at 8% 18%, rgba(123, 77, 255, 0.22), transparent 22%),
    radial-gradient(circle at 92% 10%, rgba(91, 46, 255, 0.18), transparent 20%),
    url("https://images.unsplash.com/photo-1516321318423-f06f85e504b3?auto=format&fit=crop&w=1600&q=80") center/cover no-repeat;
  padding: 74px 0 28px;
}

.zsf-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  align-items: center;
  justify-items: center;
  text-align: center;
}

.zsf-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #9fbbff;
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  justify-content: center;
}

.zsf-eyebrow::before {
  content: "";
  width: 34px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--zsf-yellow), var(--zsf-electric));
}

.zsf-hero-copy h1,
.zsf-section-head h2,
.zsf-final-shell h2 {
  font-family: var(--font-display);
  letter-spacing: -0.06em;
}

.zsf-hero-copy h1 {
  margin: 18px 0 0;
  font-size: clamp(2.8rem, 4.8vw, 4.8rem);
  line-height: 1;
  color: var(--zsf-white);
  max-width: 1240px;
  text-shadow: 0 10px 28px rgba(0, 0, 0, 0.24);
}

.zsf-hero-subtitle {
  margin: 14px 0 0;
  color: var(--zsf-yellow);
  font-family: var(--font-display);
  font-size: clamp(0.95rem, 1.4vw, 1.15rem);
  font-weight: 700;
  letter-spacing: 0.04em;
}

.zsf-hero-copy p {
  margin: 18px auto 0;
  max-width: 84ch;
  color: rgba(255, 255, 255, 0.88);
  font-size: 1.05rem;
  line-height: 1.66;
  text-shadow: 0 8px 24px rgba(0, 0, 0, 0.22);
}

.zsf-hero-actions,
.zsf-final-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 26px;
  justify-content: center;
}

.zsf-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
  justify-content: center;
}

.zsf-chip-row span,
.zsf-model-tags span {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  color: var(--zsf-white);
  font-family: var(--font-display);
  font-size: 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.zsf-hero-visual {
  position: relative;
  min-height: 660px;
}

.zsf-hero-image {
  position: relative;
  height: 100%;
  min-height: 660px;
  overflow: hidden;
  border-radius: 24px;
  box-shadow: var(--zsf-shadow);
}

.zsf-hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  transform: scale(1.18);
}

.zsf-hero-image-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(91, 46, 255, 0.12), rgba(1, 20, 35, 0.58)),
    radial-gradient(circle at top left, rgba(123, 77, 255, 0.24), transparent 26%),
    radial-gradient(circle at top right, rgba(91, 46, 255, 0.28), transparent 24%);
}

.zsf-visual-card {
  position: absolute;
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(12px);
  color: var(--zsf-white);
  box-shadow: 0 24px 60px rgba(1, 20, 35, 0.16);
}

.zsf-visual-card strong {
  display: block;
  font-family: var(--font-display);
}

.zsf-visual-card span {
  display: block;
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.84);
  font-size: 0.92rem;
}

.zsf-vc-a { left: -18px; top: 48px; }
.zsf-vc-b { right: -12px; bottom: 92px; }

.zsf-node-grid {
  position: absolute;
  right: 16px;
  top: 18px;
  display: grid;
  grid-template-columns: repeat(2, 14px);
  gap: 10px;
}

.zsf-node-grid span {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--zsf-yellow), var(--zsf-violet));
  box-shadow: 0 0 18px rgba(91, 46, 255, 0.28);
}

.zsf-hero-lines {
  position: absolute;
  inset: auto 14px 18px auto;
  width: 320px;
  height: 240px;
  stroke: rgba(255, 255, 255, 0.62);
  stroke-width: 2;
  fill: rgba(255, 206, 2, 0.9);
}

.zsf-section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.82fr);
  gap: 24px;
  align-items: end;
  margin-bottom: 24px;
}

.zsf-section-head h2 {
  margin: 14px 0 0;
  font-size: clamp(2rem, 3.2vw, 3.2rem);
  line-height: 1.02;
}

.zsf-section-head p {
  margin: 0;
  color: var(--zsf-muted);
  line-height: 1.66;
}

.zsf-benefits {
  background: linear-gradient(180deg, #ffffff 0%, #f6faff 100%);
}

.zsf-benefit-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.zsf-benefit-card,
.zsf-service-card,
.zsf-ai-shell,
.zsf-timeline-step,
.zsf-tech-card,
.zsf-final-shell {
  border: 1px solid var(--zsf-line);
  border-radius: var(--zsf-radius);
  box-shadow: var(--zsf-shadow);
}

.zsf-benefit-card,
.zsf-tech-card {
  padding: 24px 22px;
  background: rgba(255, 255, 255, 0.96);
  transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

.zsf-benefit-card:hover,
.zsf-service-card:hover,
.zsf-tech-card:hover,
.zsf-timeline-step:hover {
  transform: translateY(-6px);
  box-shadow: 0 26px 60px rgba(1, 20, 35, 0.12);
  border-color: rgba(0, 109, 255, 0.14);
}

.zsf-benefit-icon,
.zsf-ai-icon,
.zsf-timeline-icon,
.zsf-tech-icon {
  width: 76px;
  height: 76px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(240, 246, 255, 0.96)),
    linear-gradient(135deg, rgba(0, 109, 255, 0.16), rgba(91, 46, 255, 0.1));
  color: var(--zsf-electric);
  box-shadow: 0 0 0 1px rgba(0, 109, 255, 0.06), 0 14px 28px rgba(0, 109, 255, 0.1);
}

.zsf-benefit-icon svg,
.zsf-ai-icon svg,
.zsf-timeline-icon svg,
.zsf-tech-icon svg {
  width: 36px;
  height: 36px;
}

.zsf-benefit-card h3,
.zsf-service-copy h3,
.zsf-timeline-step h3,
.zsf-tech-card h3 {
  margin: 18px 0 0;
  font-family: var(--font-display);
  font-size: 1.18rem;
  line-height: 1.12;
}

.zsf-benefit-card p,
.zsf-service-copy p,
.zsf-timeline-step p,
.zsf-tech-card p {
  margin: 10px 0 0;
  color: var(--zsf-muted);
  line-height: 1.58;
}

.zsf-services {
  background: linear-gradient(180deg, #eef5ff 0%, #f9fbff 100%);
}

.zsf-services-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.zsf-service-card {
  overflow: hidden;
  background: rgba(255, 255, 255, 0.98);
  display: grid;
  align-content: start;
}

.zsf-service-visual {
  min-height: 220px;
  padding: 22px;
  position: relative;
  overflow: hidden;
}

.zsf-service-visual-apps {
  background:
    radial-gradient(circle at top right, rgba(255, 206, 2, 0.18), transparent 18%),
    linear-gradient(135deg, rgba(1, 20, 35, 0.96), rgba(0, 109, 255, 0.82));
}

.zsf-service-badge {
  display: inline-flex;
  padding: 9px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  color: var(--zsf-white);
  font-family: var(--font-display);
  font-size: 0.82rem;
}

.zsf-service-screen {
  position: absolute;
  inset: auto 22px 22px 22px;
  height: 122px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.zsf-window-top,
.zsf-window-chart,
.zsf-window-panel {
  position: absolute;
  display: block;
  border-radius: 12px;
}

.zsf-window-top {
  inset: 16px auto auto 16px;
  width: 56%;
  height: 16px;
  background: rgba(255, 255, 255, 0.8);
}

.zsf-window-chart {
  inset: 42px auto auto 16px;
  width: 44%;
  height: 50px;
  background: linear-gradient(180deg, rgba(0, 183, 178, 0.95), rgba(91, 46, 255, 0.72));
}

.zsf-window-panel {
  inset: 42px 16px auto auto;
  width: 34%;
  height: 62px;
  background: rgba(255, 255, 255, 0.74);
}

.zsf-service-visual-flow {
  background:
    linear-gradient(135deg, rgba(1, 20, 35, 0.95), rgba(7, 40, 68, 0.92)),
    radial-gradient(circle at top right, rgba(91, 46, 255, 0.18), transparent 20%);
  display: grid;
  grid-template-columns: repeat(5, auto);
  gap: 10px;
  align-items: center;
  justify-content: center;
}

.zsf-flow-node,
.zsf-flow-link {
  padding: 12px 14px;
  border-radius: 14px;
  font-family: var(--font-display);
  font-size: 0.88rem;
}

.zsf-flow-node {
  background: rgba(255, 255, 255, 0.12);
  color: var(--zsf-white);
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.zsf-flow-link {
  background: linear-gradient(135deg, rgba(255, 206, 2, 0.9), rgba(0, 109, 255, 0.86));
  color: var(--zsf-navy);
}

.zsf-service-visual-devops {
  background:
    radial-gradient(circle at top right, rgba(255, 206, 2, 0.14), transparent 18%),
    linear-gradient(135deg, rgba(1, 20, 35, 0.96), rgba(91, 46, 255, 0.78));
}

.zsf-pipeline {
  position: absolute;
  inset: auto 22px 22px 22px;
  display: grid;
  gap: 10px;
}

.zsf-pipeline span {
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.12);
  color: var(--zsf-white);
  font-family: var(--font-display);
  font-size: 0.86rem;
}

.zsf-service-copy {
  padding: 24px 22px 22px;
}

.zsf-service-tag {
  display: inline-flex;
  padding: 9px 12px;
  border-radius: 999px;
  background: rgba(0, 109, 255, 0.08);
  color: var(--zsf-electric);
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 700;
}

.zsf-service-copy ul {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.zsf-service-copy li,
.zsf-tech-card p {
  position: relative;
  padding-left: 18px;
}

.zsf-service-copy li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--zsf-yellow), var(--zsf-violet));
}

.zsf-service-copy strong {
  display: block;
  margin-top: 18px;
  color: var(--zsf-navy);
  font-family: var(--font-display);
}

.zsf-ai {
  background: linear-gradient(180deg, #f8fbff 0%, #eef4fb 100%);
}

.zsf-ai-shell {
  padding: 28px 30px;
  background:
    radial-gradient(circle at top right, rgba(91, 46, 255, 0.1), transparent 22%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(245, 248, 252, 0.98));
}

.zsf-ai-head {
  margin-bottom: 0;
}

.zsf-ai-flow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 24px;
}

.zsf-ai-step {
  position: relative;
  padding: 20px 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(1, 20, 35, 0.07);
}

.zsf-ai-step::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -14px;
  width: 28px;
  height: 2px;
  background: linear-gradient(90deg, rgba(0, 109, 255, 0.7), rgba(91, 46, 255, 0.6));
}

.zsf-ai-step:last-child::after {
  display: none;
}

.zsf-ai-step strong {
  display: block;
  margin-top: 16px;
  font-family: var(--font-display);
  font-size: 1rem;
  line-height: 1.34;
}

.zsf-model {
  background:
    radial-gradient(circle at top left, rgba(123, 77, 255, 0.14), transparent 26%),
    radial-gradient(circle at top right, rgba(91, 46, 255, 0.12), transparent 22%),
    linear-gradient(180deg, #f3eeff 0%, #f7f1ff 34%, #fbf8ff 100%);
}

.zsf-model .zsf-eyebrow {
  color: #5b2eff;
}

.zsf-model .zsf-eyebrow::before {
  background: linear-gradient(90deg, #a06bff, #5b2eff);
}

.zsf-model .zsf-section-head h2 {
  color: #2e176f;
}

.zsf-model .zsf-section-head p {
  color: #6d5fa2;
}

.zsf-timeline {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 16px;
}

.zsf-timeline-step {
  position: relative;
  padding: 22px 18px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(247, 240, 255, 0.96));
  border: 1px solid rgba(91, 46, 255, 0.14);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    0 18px 34px rgba(91, 46, 255, 0.08);
  overflow: hidden;
}

.zsf-timeline-step::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: linear-gradient(180deg, #b78cff, #7b4dff 52%, #5b2eff);
}

.zsf-timeline-step::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(91, 46, 255, 0.07), transparent 28%),
    radial-gradient(circle at top right, rgba(180, 148, 255, 0.1), transparent 22%);
  pointer-events: none;
}

.zsf-timeline-step span {
  display: inline-flex;
  margin-top: 14px;
  color: #5b2eff;
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.zsf-timeline-step h3 {
  color: #3f249e;
}

.zsf-timeline-step p {
  color: #675a92;
}

.zsf-model .zsf-timeline-icon {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(245, 237, 255, 0.95)),
    linear-gradient(135deg, rgba(123, 77, 255, 0.14), rgba(91, 46, 255, 0.1));
  color: #5b2eff;
  box-shadow: 0 0 0 1px rgba(91, 46, 255, 0.08), 0 14px 28px rgba(91, 46, 255, 0.12);
}

.zsf-model-tags span {
  background: rgba(91, 46, 255, 0.1);
  color: #4f2cc8;
  border: 1px solid rgba(91, 46, 255, 0.1);
}

.zsf-model-tags b {
  color: #7b4dff;
}

.zsf-model-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  align-items: center;
  margin-top: 22px;
}

.zsf-model-tags b {
  color: var(--zsf-electric);
  font-family: var(--font-display);
}

.zsf-tech {
  background: linear-gradient(180deg, #ffffff 0%, #f4f8fc 100%);
}

.zsf-tech-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.zsf-tech-card h3 {
  margin-top: 16px;
}

.zsf-tech-card p {
  margin: 10px 0 0;
  padding-left: 0;
  color: var(--zsf-muted);
}

.zsf-final-cta {
  padding: 36px 0 56px;
}

.zsf-final-shell {
  padding: 32px 34px;
  background:
    radial-gradient(circle at top right, rgba(255, 206, 2, 0.14), transparent 24%),
    linear-gradient(135deg, rgba(1, 20, 35, 0.98), rgba(7, 36, 61, 0.98));
  color: var(--zsf-white);
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
}

.zsf-final-shell h2 {
  margin: 14px 0 0;
  font-size: clamp(2rem, 3.2vw, 3.3rem);
  line-height: 1;
}

.zsf-final-shell p {
  margin: 12px 0 0;
  color: rgba(255, 255, 255, 0.8);
  max-width: 54ch;
}

@media (max-width: 1180px) {
  .zsf-hero-grid,
  .zsf-section-head,
  .zsf-final-shell {
    grid-template-columns: 1fr;
  }

  .zsf-services-grid,
  .zsf-ai-flow,
  .zsf-timeline,
  .zsf-tech-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .zsf-benefit-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 840px) {
  .zsf-hero,
  .zsf-section {
    padding: 34px 0;
  }

  .zsf-hero-image,
  .zsf-hero-visual {
    min-height: 460px;
  }

  .zsf-vc-a,
  .zsf-vc-b {
    position: static;
    margin-top: 14px;
  }

  .zsf-hero-visual {
    display: grid;
    gap: 14px;
  }

  .zsf-services-grid,
  .zsf-ai-flow,
  .zsf-timeline,
  .zsf-tech-grid {
    grid-template-columns: 1fr;
  }

  .zsf-flow-link {
    transform: rotate(90deg);
  }

  .zsf-service-visual-flow {
    grid-template-columns: 1fr;
  }

  .zsf-final-shell {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 680px) {
  .zsf-hero {
    padding: 54px 0 20px;
  }

  .zsf-hero-copy h1 {
    font-size: clamp(2.2rem, 10vw, 3.2rem);
  }

  .zsf-chip-row {
    gap: 8px;
  }

  .zsf-chip-row span {
    padding: 8px 12px;
    font-size: 0.82rem;
  }
}