/* Krytz · Sticky scroll narrative (product page) */

.ssn {
  position: relative;
  padding: 60px 0 80px;
}
.ssn::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 80% at 80% 20%, rgba(27, 42, 74,0.06), transparent 60%),
    radial-gradient(50% 70% at 10% 90%, rgba(200, 164, 90,0.05), transparent 60%);
  pointer-events: none;
}
.ssn-intro {
  position: relative;
  max-width: 760px;
  margin: 0 0 56px;
}
.ssn-intro .eyebrow { margin-bottom: 8px; }
.ssn-intro p {
  margin-top: 18px;
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink-2);
}

.ssn-stage {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 72px;
  align-items: flex-start;
}

/* ── Sticky visual column ─────────────────────────────── */
.ssn-sticky {
  position: sticky;
  top: 80px;
  align-self: flex-start;
  height: calc(100vh - 120px);
  min-height: 560px;
  max-height: 780px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.ssn-frame {
  position: relative;
  flex: 1;
  background:
    radial-gradient(60% 80% at 50% 30%, rgba(27, 42, 74,0.10), transparent 70%),
    var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--r-4);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ssn-frame::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(27, 42, 74,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(27, 42, 74,0.04) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(70% 60% at 50% 50%, #000 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(70% 60% at 50% 50%, #000 30%, transparent 100%);
  pointer-events: none;
}

.ssn-phone {
  position: relative;
  width: 260px;
  aspect-ratio: 1024 / 1536;
  border-radius: 32px;
  background: #0E1320;
  padding: 8px;
  box-shadow:
    0 24px 64px rgba(27, 42, 74,0.22),
    0 0 0 1px rgba(27, 42, 74,0.04);
  z-index: 1;
}
.ssn-phone-inner {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 26px;
  overflow: hidden;
  background: var(--bg);
}
.ssn-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: scale(1.05) translateY(8px);
  transition:
    opacity 700ms cubic-bezier(.2,.7,.2,1),
    transform 900ms cubic-bezier(.2,.7,.2,1);
  pointer-events: none;
}
.ssn-slide.is-active {
  opacity: 1;
  transform: scale(1) translateY(0);
}
.ssn-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
}

/* Annotation cards floating around the phone */
.ssn-annos {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 2;
}
.ssn-anno {
  position: absolute;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-3);
  padding: 12px 14px;
  box-shadow: var(--sh-3);
  font-size: 12px;
  color: var(--ink);
  min-width: 200px;
  max-width: 260px;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 500ms ease, transform 500ms cubic-bezier(.2,.7,.2,1);
}
.ssn-anno.is-active { opacity: 1; transform: translateY(0); }
.ssn-anno .a-tag {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--g);
  margin-bottom: 4px;
  display: block;
}
.ssn-anno .a-text { font-size: 12.5px; line-height: 1.45; color: var(--ink); }
.ssn-anno .a-meta { font-family: var(--mono); font-size: 10.5px; color: var(--ink-3); margin-top: 6px; }

/* anno positions per step */
.ssn-anno.pos-tl { top: 24px;   left: 24px;  }
.ssn-anno.pos-tr { top: 24px;   right: 24px; }
.ssn-anno.pos-bl { bottom: 24px; left: 24px; }
.ssn-anno.pos-br { bottom: 24px; right: 24px; }
.ssn-anno.pos-l  { top: 50%; left: 24px;   transform: translateY(-50%) translateY(8px); }
.ssn-anno.pos-r  { top: 50%; right: 24px;  transform: translateY(-50%) translateY(8px); }
.ssn-anno.pos-l.is-active,
.ssn-anno.pos-r.is-active { transform: translateY(-50%) translateY(0); }

/* Connected app dots between anno and phone */
.ssn-anno::before {
  content: '';
  position: absolute;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--g);
  box-shadow: 0 0 0 4px rgba(27, 42, 74,0.18);
}
.ssn-anno.pos-tl::before, .ssn-anno.pos-bl::before, .ssn-anno.pos-l::before {
  right: -3px; top: 50%; transform: translateY(-50%);
}
.ssn-anno.pos-tr::before, .ssn-anno.pos-br::before, .ssn-anno.pos-r::before {
  left: -3px; top: 50%; transform: translateY(-50%);
}

/* Step indicator below */
.ssn-steps {
  display: flex;
  gap: 6px;
  padding: 0 4px;
}
.ssn-step-dot {
  flex: 1;
  height: 3px;
  border-radius: 2px;
  background: var(--line);
  transition: background 300ms ease, transform 300ms ease;
}
.ssn-step-dot.is-done   { background: var(--g-soft-2); }
.ssn-step-dot.is-active {
  background: var(--g);
  transform: scaleY(1.6);
}

/* ── Narrative column ─────────────────────────────────── */
.ssn-narrative {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.ssn-block {
  min-height: 78vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 36px 0;
  border-top: 1px dashed transparent;
  transition: opacity 400ms ease;
}
.ssn-block:first-child { padding-top: 0; min-height: 70vh; }
.ssn-block:not(.is-active) { opacity: 0.42; }

.ssn-block .b-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--ink-3);
  text-transform: uppercase;
  margin-bottom: 6px;
}
.ssn-block .b-num strong { color: var(--g); font-weight: 600; }
.ssn-block .eyebrow { margin: 0; }
.ssn-block h3 {
  margin-top: 14px;
  font-size: clamp(28px, 3.4vw, 38px);
  font-weight: 600;
  letter-spacing: -0.022em;
  line-height: 1.15;
  color: var(--ink);
}
.ssn-block h3 em {
  color: var(--g);
  font-style: normal;
}
.ssn-block .b-lede {
  margin-top: 18px;
  font-size: 16.5px;
  color: var(--ink-2);
  line-height: 1.6;
  max-width: 520px;
}
.ssn-block .b-bullets {
  margin-top: 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.ssn-block .b-bullet {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 10px;
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.5;
}
.ssn-block .b-bullet svg { width: 14px; height: 14px; margin-top: 4px; color: var(--g); }
.ssn-block .b-bullet strong { color: var(--ink); font-weight: 500; }
.ssn-block .b-meta {
  margin-top: 22px;
  display: flex; flex-wrap: wrap; gap: 14px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.04em;
}
.ssn-block .b-meta strong { color: var(--ink); font-weight: 500; }

/* ── Responsive ──────────────────────────────────────── */
@media (max-width: 1080px) {
  .ssn-stage { grid-template-columns: 1fr; gap: 24px; }
  .ssn-sticky { position: static; height: auto; min-height: 0; max-height: none; }
  .ssn-frame { height: 520px; }
  .ssn-block { min-height: auto; padding: 36px 0; opacity: 1; }
  .ssn-block:first-child { padding-top: 0; }
  .ssn-annos { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .ssn-slide, .ssn-anno { transition: opacity 200ms linear; }
}