/* Problem + How it works sections */

/* ---------- Problems ---------- */
.sf-problems-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
  margin-top: 64px;
}
.sf-problem-card {
  grid-column: span 6;
  position: relative;
  padding: 36px;
  border-radius: var(--sf-radius-lg);
  background: #fff;
  border: 1px solid var(--sf-neutral-200);
  transition: transform 300ms var(--sf-ease-out), box-shadow 300ms var(--sf-ease-out), border-color 200ms;
  overflow: hidden;
}
.sf-problem-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--sf-shadow-lg);
  border-color: var(--sf-neutral-300);
}
.sf-problem-card.is-wide { grid-column: span 8; }
.sf-problem-card.is-narrow { grid-column: span 4; }

@media (max-width: 960px) {
  .sf-problem-card, .sf-problem-card.is-wide, .sf-problem-card.is-narrow { grid-column: span 12; }
}

.sf-problem-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--sf-radius-md);
  background: var(--sf-muted);
  color: var(--sf-primary);
  display: grid;
  place-items: center;
  margin-bottom: 20px;
}
.sf-problem-card.is-accent .sf-problem-icon { background: var(--sf-destructive-050); color: var(--sf-destructive); }
.sf-problem-card.is-navy {
  background: var(--sf-primary);
  color: #fff;
  border-color: var(--sf-primary);
}
.sf-problem-card.is-navy .sf-problem-icon { background: rgba(255,255,255,0.1); color: var(--sf-aqua-300); }
.sf-problem-card.is-navy h3 { color: #fff; }
.sf-problem-card.is-navy p { color: rgba(255,255,255,0.72); }

.sf-problem-card h3 {
  font-family: var(--sf-font-display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 10px;
  color: var(--sf-fg-1);
}
.sf-problem-card p {
  font-size: 15px;
  line-height: 1.55;
  color: var(--sf-fg-2);
  margin: 0;
}
.sf-problem-card .sf-problem-quote {
  margin-top: 20px;
  padding: 14px 16px;
  border-left: 3px solid var(--sf-destructive);
  background: var(--sf-neutral-050);
  font-size: 14px;
  font-style: italic;
  color: var(--sf-muted-foreground);
  border-radius: 0 8px 8px 0;
}
.sf-problem-card.is-navy .sf-problem-quote {
  background: rgba(255,255,255,0.06);
  border-left-color: var(--sf-aqua-300);
  color: rgba(255,255,255,0.78);
}

/* big number card */
.sf-problem-stat {
  font-family: var(--sf-font-display);
  font-size: 88px;
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.04em;
  color: var(--sf-primary);
  margin-bottom: 8px;
}
.sf-problem-card.is-navy .sf-problem-stat { color: var(--sf-aqua-300); }
.sf-problem-stat-unit { font-size: 28px; vertical-align: top; margin-left: 4px; color: var(--sf-fg-2); font-weight: 500; }

/* ---------- How it works (steps) ---------- */
.sf-steps-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: end;
  margin-bottom: 72px;
}
@media (max-width: 860px) { .sf-steps-head { grid-template-columns: 1fr; } }

.sf-steps-rail {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}
.sf-steps-rail::before {
  content: "";
  position: absolute;
  left: 0; right: 0; top: 44px;
  height: 2px;
  background: repeating-linear-gradient(to right, var(--sf-aqua-300) 0 8px, transparent 8px 16px);
  z-index: 0;
}
@media (max-width: 960px) {
  .sf-steps-rail { grid-template-columns: 1fr; }
  .sf-steps-rail::before { left: 43px; right: auto; top: 0; bottom: 0; width: 2px; height: auto; background: repeating-linear-gradient(to bottom, var(--sf-aqua-300) 0 8px, transparent 8px 16px); }
}

.sf-step {
  position: relative;
  padding: 0 20px;
  z-index: 1;
}
.sf-step:first-child { padding-left: 0; }
.sf-step:last-child { padding-right: 0; }
@media (max-width: 960px) {
  .sf-step { padding: 20px 0 20px 92px; }
  /* override desktop first/last rules — on mobile steps stack vertically */
  .sf-step:first-child { padding-left: 92px; }
  .sf-step:last-child  { padding-right: 0; }
}

.sf-step-num {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--sf-primary);
  color: var(--sf-primary);
  display: grid;
  place-items: center;
  font-family: var(--sf-font-display);
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 24px;
  position: relative;
}
.sf-step-num::after {
  content: "";
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  border: 1px dashed var(--sf-primary-300);
}
@media (max-width: 960px) {
  .sf-step-num { position: absolute; left: 0; top: 16px; width: 66px; height: 66px; font-size: 22px; }
}

.sf-step h3 {
  font-family: var(--sf-font-display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 10px;
  color: var(--sf-fg-1);
}
.sf-step p {
  font-size: 15px;
  line-height: 1.55;
  color: var(--sf-fg-2);
  margin: 0 0 18px;
  max-width: 28ch;
}
.sf-step-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--sf-radius-pill);
  background: var(--sf-muted);
  color: var(--sf-primary);
  font-size: 12px;
  font-weight: 600;
}

/* Co-creation note */
.sf-collab-note {
  margin: 56px auto 0;
  max-width: 760px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 20px 28px;
  border-radius: var(--sf-radius-lg);
  background: var(--sf-primary-050);
  border: 1px solid var(--sf-primary-200, rgba(0,0,125,0.15));
}
.sf-collab-icon { font-size: 24px; flex: 0 0 auto; }
.sf-collab-note p {
  margin: 0;
  font-size: 15px;
  line-height: 1.55;
  color: var(--sf-fg-2);
}
.sf-collab-note strong { color: var(--sf-primary); }
@media (max-width: 600px) {
  .sf-collab-note { padding: 16px 20px; gap: 12px; }
  .sf-collab-note p { font-size: 14px; }
}

/* VS section wrapper */
.sf-vs-section {
  margin-top: 80px;
  padding: 48px;
  background: var(--sf-primary);
  border-radius: var(--sf-radius-xl);
  position: relative;
  overflow: hidden;
}
.sf-vs-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}
.sf-vs-section > * { position: relative; }
.sf-vs-title {
  font-family: var(--sf-font-display);
  font-size: clamp(18px, 2vw, 26px);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: rgba(255,255,255,0.85);
  margin: 0 0 32px;
  text-align: center;
}
.sf-vs-title-vs {
  display: inline-block;
  margin: 0 10px;
  padding: 2px 12px;
  border-radius: var(--sf-radius-pill);
  background: var(--sf-aqua-300);
  color: var(--sf-primary);
  font-size: 0.75em;
  font-weight: 700;
  vertical-align: middle;
}

.sf-vs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (max-width: 760px) {
  .sf-vs { grid-template-columns: 1fr; }
}

/* Columns */
.sf-vs-col {
  padding: 36px;
  border-radius: 16px;
}
.sf-vs-col.is-them {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.1);
}
.sf-vs-col.is-us {
  background: #fff;
  background-image: radial-gradient(ellipse at 80% 0%, rgba(219,0,178,0.08) 0%, transparent 60%);
  box-shadow: 0 4px 32px rgba(0,0,120,0.12);
}

/* Header row: badge + label */
.sf-vs-col-hd {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}
.sf-vs-col-badge {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.sf-vs-col-badge.is-them {
  background: rgba(219,0,178,0.18);
  color: #ff6b6b;
}
.sf-vs-col-badge.is-us {
  background: rgba(219,0,178,0.12);
  color: var(--sf-destructive);
}
.sf-vs-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 700;
  margin: 0;
}
.sf-vs-col.is-them .sf-vs-label { color: rgba(255,255,255,0.45); }
.sf-vs-col.is-us  .sf-vs-label { color: var(--sf-destructive); }

/* Big heading inside column */
.sf-vs-heading {
  font-family: var(--sf-font-display);
  font-size: clamp(18px, 1.8vw, 26px);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.2;
  margin: 0 0 24px;
}
.sf-vs-col.is-them .sf-vs-heading { color: rgba(255,255,255,0.92); }
.sf-vs-col.is-us  .sf-vs-heading { color: var(--sf-primary); }

/* List */
.sf-vs ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 12px; }
.sf-vs li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  font-weight: 500;
}
.sf-vs-col.is-them li { color: rgba(255,255,255,0.7); }
.sf-vs-col.is-us  li { color: var(--sf-fg-1); }

/* Icon circle per item */
.sf-vs-li-icon {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.sf-vs-li-icon.is-them {
  background: rgba(255,100,100,0.15);
  color: #ff6b6b;
}
.sf-vs-li-icon.is-us {
  background: rgba(219,0,178,0.1);
  color: var(--sf-destructive);
}

@media (max-width: 600px) {
  .sf-vs-section { padding: 28px 20px; margin-top: 48px; }
  .sf-vs-col { padding: 24px 20px; }
  .sf-vs-heading { font-size: 18px; }
}

/* ============================================================
   Mobile fixes (≤ 600px)
   ============================================================ */
@media (max-width: 600px) {
  /* Steps: increase left padding so number circle doesn't overlap text */
  .sf-steps-rail::before { left: 33px; }
  .sf-step { padding: 16px 0 16px 74px; }
  .sf-step:first-child { padding-left: 74px; }
  .sf-step-num { width: 56px; height: 56px; font-size: 18px; top: 12px; }
  .sf-step-num::after { inset: -6px; }
  .sf-step h3 { font-size: 18px; }
  .sf-step p { font-size: 14px; max-width: none; }

  /* Steps head: single column */
  .sf-steps-head { margin-bottom: 48px; }

  /* VS block */
  .sf-vs { margin-top: 48px; }
  .sf-vs-col { padding: 24px 20px; }
  .sf-vs-col h4 { font-size: 18px; }
}