styles.css

/* ===== Xaults tutorial — standalone brochure styles ===== */

:root {
  --brand: #6c5ce7;
  --brand-dark: #5a4bd1;
  --violet: #7c3aed;
  --violet-soft: #f3effe;
  --indigo: #4f46e5;
  --indigo-soft: #eef0ff;
  --emerald: #059669;
  --emerald-soft: #e7f7f0;
  --ink: #1f2330;
  --muted: #6b7280;
  --line: #e6e6ee;
  --bg: #f6f7fb;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
}

.center {
  text-align: center;
}

.muted {
  color: var(--muted);
}

a {
  color: inherit;
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--brand);
  color: #fff;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.brand img {
  height: 28px;
  width: auto;
  display: block;
}

.header-nav a {
  color: #fff;
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  margin-left: 18px;
  opacity: 0.9;
}

.header-nav a:hover {
  opacity: 1;
  text-decoration: underline;
}

/* ===== Hero ===== */
.hero {
  background: linear-gradient(180deg, var(--brand), var(--brand-dark));
  color: #fff;
  padding: 48px 0 64px;
  text-align: center;
}

.pill {
  display: inline-block;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.hero h1 {
  font-size: 36px;
  line-height: 1.15;
  margin: 16px auto 12px;
  max-width: 720px;
}

.hero p {
  max-width: 620px;
  margin: 0 auto;
  color: rgba(255, 255, 255, 0.82);
  font-size: 16px;
}

/* ===== Card / big picture ===== */
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 1px 3px rgba(20, 20, 50, 0.05);
}

.bigpicture {
  margin-top: -36px;
  padding: 28px 24px;
}

.bigpicture h2 {
  margin: 0 0 2px;
  font-size: 20px;
}

.flow {
  display: flex;
  align-items: stretch;
  gap: 16px;
  margin-top: 22px;
}

.flow-card {
  flex: 1;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px;
  background: #fff;
}

.flow-card h3 {
  margin: 6px 0 4px;
  font-size: 17px;
}

.flow-card p {
  margin: 0;
  font-size: 13.5px;
  color: var(--muted);
}

.flow-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}

.flow-icon.violet {
  background: var(--violet-soft);
}
.flow-icon.indigo {
  background: var(--indigo-soft);
}
.flow-icon.emerald {
  background: var(--emerald-soft);
}

.flow-arrow {
  display: flex;
  align-items: center;
  color: #c7c9d4;
  font-size: 26px;
}

/* ===== Role section ===== */
.role-section {
  padding: 56px 20px 8px;
}

.role-head {
  border-radius: 16px;
  padding: 22px 24px;
  margin-bottom: 28px;
}

.role-head h2 {
  margin: 0 0 4px;
  font-size: 24px;
}

.role-head p {
  margin: 0;
  font-size: 14.5px;
  color: #444;
  max-width: 760px;
}

.violet-head {
  background: var(--violet-soft);
  border: 1px solid #e4dcfb;
}
.indigo-head {
  background: var(--indigo-soft);
  border: 1px solid #dde0fb;
}
.emerald-head {
  background: var(--emerald-soft);
  border: 1px solid #cfeede;
}

/* ===== Step ===== */
.step {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 26px;
  margin-bottom: 26px;
  box-shadow: 0 1px 3px rgba(20, 20, 50, 0.04);
}

.step.reverse .step-text {
  order: 2;
}

.step-title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.step-title h3 {
  margin: 0;
  font-size: 19px;
}

.step-num {
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.violet-num {
  background: var(--violet);
}
.indigo-num {
  background: var(--indigo);
}
.emerald-num {
  background: var(--emerald);
}

.step-text p {
  margin: 0 0 14px;
  font-size: 14.5px;
  color: #4b5563;
}

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

.step-text li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 9px;
  font-size: 14px;
  color: #374151;
}

.step-text li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  font-weight: 700;
  color: var(--brand);
}

/* Detailed (multi-substep) step */
.step.detailed {
  display: block;
}

.step-text.full {
  margin-bottom: 18px;
}

.step.detailed .step-text.full p {
  max-width: 760px;
}

.substeps {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.substep {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
  background: #fcfcff;
}

.substep-cap {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 15px;
  margin-bottom: 6px;
}

.substep-num {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  height: 24px;
  padding: 0 8px;
  border-radius: 999px;
  color: #fff;
  font-size: 12.5px;
  font-weight: 700;
}

.substep-desc {
  margin: 0 0 12px;
  font-size: 13.5px;
  color: #4b5563;
}

/* Screenshot */
.step-img {
  display: block;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: #fafafe;
  line-height: 0;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.step-img:hover {
  box-shadow: 0 10px 30px rgba(20, 20, 50, 0.14);
  transform: translateY(-2px);
}

.step-img img {
  width: 100%;
  height: auto;
  display: block;
}

/* ===== CTA / footer ===== */
.cta {
  background: #fff;
  border-top: 1px solid var(--line);
  margin-top: 40px;
  padding: 44px 0;
}

.cta h2 {
  margin: 0 0 8px;
  font-size: 24px;
}

.site-footer {
  padding: 22px 0;
  font-size: 12.5px;
  color: var(--muted);
  background: var(--bg);
  border-top: 1px solid var(--line);
}

/* ===== Responsive ===== */
@media (max-width: 760px) {
  .header-nav a {
    margin-left: 12px;
  }
  .hero h1 {
    font-size: 28px;
  }
  .flow {
    flex-direction: column;
  }
  .flow-arrow {
    justify-content: center;
    transform: rotate(90deg);
  }
  .step {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  /* keep image below text on mobile regardless of reverse */
  .step.reverse .step-text {
    order: 0;
  }
  .substeps {
    grid-template-columns: 1fr;
  }
}