/* ============================================================
   SPRINT THEME — sprint.css
   Page-specific overrides, Hero animations, landing sections
   ============================================================ */

/* ---- Landing Page: Hero (S1) ---- */
.section-hero {
  background: var(--color-card-bg);
  padding-top: var(--section-desktop);
  padding-bottom: var(--section-desktop);
}

.hero__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.hero__descriptor {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  background: var(--color-soft-navy);
  color: var(--color-navy);
  font-size: var(--text-label);
  font-weight: 700;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-md);
}

.hero h1 {
  font-size: var(--text-hero);
  line-height: var(--lh-hero);
  color: var(--color-navy);
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
}

.hero__sub {
  font-size: var(--text-body-lg);
  color: var(--color-text-secondary);
  line-height: var(--lh-body);
  margin-bottom: var(--space-sm);
  max-width: 560px;
}

.hero__clarification {
  font-size: var(--text-caption);
  color: var(--color-text-secondary);
  font-style: italic;
  margin-bottom: var(--space-lg);
}

.hero__cta {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-bottom: var(--space-md);
}

.hero__visual {
  background: var(--color-soft-navy);
  border-radius: var(--radius-card);
  padding: var(--space-lg);
  border: 1px solid var(--color-border);
}

/* Mini flow diagram in hero */
.hero-flow {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.hero-flow__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
}

.hero-flow__line {
  width: 2px;
  flex: 1;
  background: var(--color-border);
  margin-left: 23px;
  min-height: 20px;
}

.hero-flow__node {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

.hero-flow__content {
  padding-top: 10px;
  padding-bottom: 16px;
}

.hero-flow__title {
  font-size: var(--text-label);
  font-weight: 700;
  color: var(--color-navy);
}

.hero-flow__desc {
  font-size: var(--text-caption);
  color: var(--color-text-secondary);
  margin-top: 2px;
}

@media (max-width: 767px) {
  .hero__layout {
    grid-template-columns: 1fr;
  }
  .hero__visual {
    order: -1; /* visual trên, text dưới trên mobile */
    display: none; /* hide complex visual on very small screens */
  }
  .hero h1 { font-size: var(--text-hero); }
  .hero__cta { flex-direction: column; }
}

/* ---- S2: Problem ---- */
.section-problem .prose {
  margin: 0 auto;
}

/* ---- S4: Flow Anatomy full-width ---- */
.section-flow .flow {
  justify-content: center;
}

.flow-detail {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: var(--space-sm);
  margin-top: var(--space-xl);
}

.flow-detail__node {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-xs);
}

.flow-detail__title {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-navy);
}

.flow-detail__desc {
  font-size: 12px;
  color: var(--color-text-secondary);
  line-height: 1.4;
}

.proof-line {
  text-align: center;
  font-size: var(--text-body-lg);
  font-weight: 700;
  color: var(--color-navy);
  margin-top: var(--space-xl);
  padding: var(--space-lg);
  background: var(--color-soft-navy);
  border-radius: var(--radius-card);
  border-left: 4px solid var(--color-teal);
}

@media (max-width: 767px) {
  .flow-detail { grid-template-columns: 1fr; }
}

/* ---- S5: Acceptance ---- */
.acceptance-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-xl);
  align-items: start;
}

@media (max-width: 767px) {
  .acceptance-layout { grid-template-columns: 1fr; }
}

/* ---- S6: Fit / Not Fit ---- */
.fit-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: start;
}

.fit-card {
  border-radius: var(--radius-card);
  padding: var(--space-lg);
  height: 100%;
}

.fit-card--pass { background: var(--color-soft-teal); border: 1px solid rgba(15,118,110,0.2); }
.fit-card--fail { background: #fff; border: 1px solid var(--color-border); }

.fit-card__title {
  font-size: var(--text-h3);
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

@media (max-width: 767px) {
  .fit-grid { grid-template-columns: 1fr; }
}

/* ---- S7: Time & Cost ---- */
.time-cost-layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.cost-note {
  font-size: var(--text-caption);
  color: var(--color-text-secondary);
  font-style: italic;
  margin-top: var(--space-sm);
}

@media (max-width: 767px) {
  .time-cost-layout { grid-template-columns: 1fr; }
}

/* ---- S9: Final CTA ---- */
.section-final-cta {
  background: var(--color-navy);
  color: #fff;
  text-align: center;
  padding: var(--section-desktop) 0;
}

.section-final-cta h2 {
  color: #fff;
  font-size: var(--text-h2);
  margin-bottom: var(--space-lg);
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.section-final-cta .microcopy {
  margin-top: var(--space-sm);
  font-size: var(--text-label);
  color: rgba(255,255,255,0.70);
}

/* ---- Trang /demo ---- */
.demo-page .video-block {
  margin-bottom: var(--space-xl);
}

.demo-page .video-caption {
  text-align: center;
  font-size: var(--text-label);
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-top: var(--space-sm);
  font-style: italic;
}

.flow-step-detail {
  display: flex;
  gap: var(--space-lg);
  align-items: flex-start;
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border);
}

.flow-step-detail:last-child { border-bottom: none; }

.flow-step-detail__icon {
  width: 56px;
  height: 56px;
  flex-shrink: 0;
}

/* ---- Trang pháp lý ---- */
.legal-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.legal-toc {
  position: sticky;
  top: 84px;
}

.legal-toc ul { list-style: none; display: flex; flex-direction: column; gap: 4px; }
.legal-toc a {
  display: block;
  padding: 6px 12px;
  font-size: 14px;
  color: var(--color-text-secondary);
  text-decoration: none;
  border-radius: var(--radius-btn);
  border-left: 2px solid transparent;
  transition: color var(--motion-fast), border-color var(--motion-fast), background var(--motion-fast);
}
.legal-toc a:hover, .legal-toc a.is-active {
  color: var(--color-teal);
  border-left-color: var(--color-teal);
  background: var(--color-soft-teal);
}

.legal-content { max-width: 720px; }
.legal-meta { font-family: var(--font-mono); font-size: var(--text-caption); color: var(--color-text-secondary); margin-bottom: var(--space-xl); }

@media (max-width: 1023px) {
  .legal-layout { grid-template-columns: 1fr; }
  .legal-toc { position: static; }
}

/* ---- Result pages ---- */
.result-page {
  max-width: 680px;
  margin: 0 auto;
  padding: var(--section-mobile) var(--gutter-mobile);
}

.result-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-top: var(--space-xl);
}

/* ---- Form page ---- */
.form-page {
  max-width: 680px;
  margin: 0 auto;
  padding: var(--space-xl) var(--gutter-mobile);
}

/* ---- Homepage (AvengerHub thin) ---- */
.homepage-hero {
  background: var(--color-card-bg);
  padding: var(--section-desktop) 0;
  text-align: center;
}

.homepage-hero h1 {
  font-size: var(--text-h1);
  max-width: 680px;
  margin: 0 auto var(--space-md);
}

.homepage-hero .descriptor {
  font-size: var(--text-label);
  color: var(--color-text-secondary);
  max-width: 560px;
  margin: 0 auto var(--space-xl);
  line-height: var(--lh-body);
}

.product-card {
  max-width: 760px;
  margin: 0 auto;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: var(--space-xl);
  background: var(--color-card-bg);
  text-align: left;
}

.product-card__tag {
  font-size: var(--text-caption);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: var(--color-teal);
  margin-bottom: var(--space-xs);
}

.product-card__name {
  font-size: var(--text-h2);
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: var(--space-sm);
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
}

.trust-item {
  text-align: center;
}

.trust-item__icon {
  color: var(--color-teal);
  margin-bottom: var(--space-xs);
}

.trust-item__label {
  font-size: var(--text-label);
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 4px;
}

.trust-item__desc {
  font-size: var(--text-caption);
  color: var(--color-text-secondary);
  line-height: 1.45;
}

@media (max-width: 767px) {
  .trust-strip { grid-template-columns: 1fr; }
  .product-card { padding: var(--space-md); }
}