.compare-section {
  scroll-margin-top: 92px;
  margin-top: 84px;
  padding-top: 88px;
  border-top: 1px solid rgba(129, 193, 227, .18);
}

.compare-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(340px, .88fr);
  align-items: end;
  gap: 64px;
  margin-bottom: 42px;
}

.compare-heading h2 {
  margin: 0;
  font-size: clamp(42px, 5vw, 68px);
  line-height: 1.01;
  letter-spacing: -.052em;
}

.compare-heading h2 span {
  color: transparent;
  background: linear-gradient(90deg, var(--cyan), var(--green));
  background-clip: text;
  -webkit-background-clip: text;
}

.compare-intro > p {
  margin: 0;
  color: #afc2d0;
  font-size: 16px;
  line-height: 1.72;
}

.flip-instruction {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-top: 18px;
  color: var(--cyan);
  font: 720 11px/1.4 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  letter-spacing: .04em;
}

.flip-instruction b {
  display: grid;
  place-items: center;
  width: 25px;
  height: 25px;
  border: 1px solid rgba(103, 213, 255, .28);
  border-radius: 50%;
}

.decision-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  perspective: 1600px;
}

.decision-card {
  min-width: 0;
  min-height: 390px;
  padding: 0;
  border: 0;
  border-radius: 21px;
  color: inherit;
  background: transparent;
  text-align: left;
  cursor: pointer;
  perspective: 1400px;
}

.decision-card:focus-visible {
  outline: 3px solid rgba(103, 213, 255, .38);
  outline-offset: 5px;
}

.decision-card-inner {
  position: relative;
  display: grid;
  width: 100%;
  min-height: 390px;
  transform-style: preserve-3d;
  transition: transform .42s cubic-bezier(.2,.72,.2,1);
}

.decision-card.is-flipped .decision-card-inner {
  transform: rotateY(180deg);
}

.decision-face {
  grid-area: 1 / 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 390px;
  padding: 27px;
  overflow: hidden;
  border: 1px solid rgba(126, 191, 226, .20);
  border-radius: 21px;
  background:
    radial-gradient(circle at 100% 0%, rgba(82,221,255,.075), transparent 19rem),
    linear-gradient(155deg, rgba(13,34,55,.97), rgba(6,19,32,.96));
  box-shadow: 0 24px 64px rgba(0,0,0,.16);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

.decision-face::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 68%;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), transparent);
}

.aurora-card .decision-face::before { background: linear-gradient(90deg, var(--green), var(--cyan), transparent); }
.serverless-card .decision-face::before { background: linear-gradient(90deg, var(--violet), var(--cyan), transparent); }
.global-card .decision-face::before { background: linear-gradient(90deg, var(--blue), var(--green), transparent); }
.managed-card .decision-face::before { background: linear-gradient(90deg, var(--amber), var(--cyan), transparent); }
.proof-card .decision-face::before { background: linear-gradient(90deg, var(--orange), var(--amber), transparent); }

.decision-front {
  position: relative;
  transition: border-color .18s ease, box-shadow .18s ease;
}

.decision-card:hover .decision-front {
  border-color: rgba(103, 213, 255, .38);
  box-shadow: 0 30px 78px rgba(0,0,0,.23);
}

.decision-back {
  position: relative;
  transform: rotateY(180deg);
  border-color: rgba(99, 239, 189, .27);
  background:
    radial-gradient(circle at 0% 100%, rgba(99,239,189,.08), transparent 20rem),
    linear-gradient(155deg, rgba(10,32,48,.98), rgba(5,18,29,.98));
}

.decision-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--faint);
  font: 760 9.5px/1 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  letter-spacing: .12em;
}

.decision-meta b { color: var(--cyan); font-size: 12px; }
.decision-meta em { font-style: normal; }

.decision-signal,
.decision-verdict {
  display: inline-flex;
  align-self: flex-start;
  margin-top: 38px;
  padding: 7px 9px;
  border: 1px solid rgba(103,213,255,.22);
  border-radius: 999px;
  color: var(--cyan);
  background: rgba(103,213,255,.055);
  font: 780 9px/1 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  letter-spacing: .12em;
}

.aurora-signal { color: var(--green); border-color: rgba(99,239,189,.24); background: rgba(99,239,189,.055); }
.serverless-signal { color: var(--violet); border-color: rgba(179,156,255,.24); background: rgba(179,156,255,.055); }
.global-signal { color: #8da5ff; border-color: rgba(141,165,255,.24); background: rgba(141,165,255,.055); }
.managed-signal { color: var(--amber); border-color: rgba(255,191,88,.24); background: rgba(255,191,88,.055); }
.proof-signal { color: var(--orange); border-color: rgba(255,141,108,.24); background: rgba(255,141,108,.055); }

.decision-face > strong {
  display: block;
  margin-top: 18px;
  color: #edf7fd;
  font-size: 24px;
  line-height: 1.16;
  letter-spacing: -.028em;
}

.decision-copy {
  margin-top: 15px;
  color: #aebfcd;
  font-size: 14.5px;
  line-height: 1.68;
}

.decision-flip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: auto;
  padding-top: 22px;
  color: var(--cyan);
  font-size: 11.5px;
  font-weight: 760;
}

.decision-flip b { font-size: 16px; }

.decision-verdict {
  margin-top: 0;
  color: var(--green);
  border-color: rgba(99,239,189,.24);
  background: rgba(99,239,189,.055);
}

.decision-back > strong {
  margin-top: 19px;
  font-size: 21px;
}

.decision-checks {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.decision-checks > span {
  position: relative;
  padding-left: 17px;
  color: #afc2cf;
  font-size: 12.5px;
  line-height: 1.55;
}

.decision-checks > span::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(99,239,189,.08);
}

.compare-sourcebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  margin-top: 25px;
  padding: 18px 20px;
  border: 1px solid var(--border);
  border-radius: 15px;
  color: var(--muted);
  background: rgba(8, 22, 37, .62);
  font-size: 11.5px;
}

.compare-sourcebar > span b { color: var(--text); }

.compare-sourcebar > div {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px 15px;
}

.compare-sourcebar a {
  color: var(--cyan);
  font-weight: 720;
  text-decoration: none;
}

.compare-sourcebar a:hover { text-decoration: underline; text-underline-offset: 3px; }

:root[data-theme="light"] .compare-intro > p { color: #3f5d70; }

:root[data-theme="light"] .compare-section {
  border-top-color: rgba(43, 87, 114, .17);
}

:root[data-theme="light"] .decision-face {
  border-color: rgba(43, 87, 114, .20);
  background:
    radial-gradient(circle at 100% 0%, rgba(0,126,174,.075), transparent 19rem),
    linear-gradient(155deg, rgba(255,255,255,.98), rgba(233,243,249,.96));
  box-shadow: 0 22px 58px rgba(31,72,98,.12);
}

:root[data-theme="light"] .decision-back {
  border-color: rgba(8, 123, 89, .26);
  background:
    radial-gradient(circle at 0% 100%, rgba(8,123,89,.075), transparent 20rem),
    linear-gradient(155deg, rgba(248,252,253,.99), rgba(229,241,246,.98));
}

:root[data-theme="light"] .decision-card:hover .decision-front {
  border-color: rgba(0, 126, 174, .38);
  box-shadow: 0 28px 68px rgba(31,72,98,.17);
}

:root[data-theme="light"] .decision-face > strong { color: #133449; }
:root[data-theme="light"] .decision-copy,
:root[data-theme="light"] .decision-checks > span { color: #466578; }
:root[data-theme="light"] .global-signal { color: #405dc4; }

:root[data-theme="light"] .compare-sourcebar {
  color: #526d7f;
  background: rgba(255,255,255,.74);
  box-shadow: 0 12px 34px rgba(31,72,98,.07);
}

@media (max-width: 1020px) {
  .compare-heading { grid-template-columns: 1fr; gap: 24px; }
  .compare-intro { max-width: 760px; }
  .decision-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .compare-sourcebar { align-items: flex-start; flex-direction: column; }
  .compare-sourcebar > div { justify-content: flex-start; }
}

@media (max-width: 680px) {
  .decision-grid { grid-template-columns: 1fr; }
  .decision-card,
  .decision-card-inner,
  .decision-face { min-height: 375px; }
  .compare-heading h2 { font-size: clamp(38px, 11vw, 52px); }
}

@media (prefers-reduced-motion: reduce) {
  .decision-card-inner { transition: none; }
}