/* ── Hero ── */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: var(--nav-h);
  position: relative;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 70% at 70% 50%, rgba(0,71,171,.07) 0%, transparent 70%),
    radial-gradient(ellipse 40% 50% at 20% 80%, rgba(0,198,174,.05) 0%, transparent 60%),
    var(--body-bg);
  z-index: 0;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  padding-block: 80px;
  position: relative;
  z-index: 1;
}

.hero__content h1 { margin-bottom: 24px; }

.hero__highlight {
  position: relative;
  color: var(--kobalt);
}
.hero__highlight::after {
  content: '';
  position: absolute;
  left: 0; bottom: -4px;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--kobalt), var(--accent));
  border-radius: 2px;
}

.hero__actions {
  display: flex;
  gap: 16px;
  margin-top: 36px;
  flex-wrap: wrap;
}

.hero__disclaimer {
  margin-top: 20px;
  font-size: .82rem;
  color: var(--slate-400);
}

.hero__visual {
  position: relative;
}
.hero__visual svg {
  width: 100%;
  filter: drop-shadow(0 24px 48px rgba(0,71,171,.12));
  border-radius: 24px;
}

.hero__badges {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
  gap: 16px;
  padding: 0 48px 60px;
  flex-wrap: wrap;
}

.hero__badge {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  background: var(--white);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--slate-200);
  font-size: .875rem;
  font-weight: 500;
  color: var(--slate-700);
  animation: badgeIn .5s cubic-bezier(.4,0,.2,1) both;
  animation-delay: var(--delay, 0s);
}
.hero__badge-icon { font-size: 1.1rem; }

@keyframes badgeIn {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: none; }
}

@media (max-width: 860px) {
  .hero__inner { grid-template-columns: 1fr; text-align: center; }
  .hero__content { order: 1; }
  .hero__visual  { order: 0; max-width: 500px; margin: 0 auto; }
  .hero__actions { justify-content: center; }
  .hero__highlight::after { display: none; }
}

/* ── Logobar ── */
.logobar__label {
  text-align: center;
  font-size: .8rem;
  font-weight: 600;
  color: var(--slate-400);
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 24px;
}
.logobar__row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}
.logobar__item { opacity: .65; transition: opacity .2s; }
.logobar__item:hover { opacity: 1; }

.logobar__img {
  height: 120px;
  width: auto;
  max-width: 160px;
  object-fit: contain;
  display: block;
}

/* ── Problem grid ── */
.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  max-width: 900px;
  margin: 0 auto;
}
.problem-col {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1.5px solid var(--slate-200);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.problem-col__header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 24px;
  font-weight: 700;
  font-family: var(--font-display);
  font-size: .9rem;
}
.problem-col__header--red  { background: #FFF0F0; color: #B91C1C; border-bottom: 1.5px solid #FEE2E2; }
.problem-col__header--blue { background: var(--kobalt-pale); color: var(--kobalt); border-bottom: 1.5px solid #BFCFEF; }

.problem-list { padding: 20px 24px; display: flex; flex-direction: column; gap: 14px; }
.problem-list li {
  display: flex;
  gap: 10px;
  font-size: .9rem;
  color: var(--slate-600);
  align-items: flex-start;
  line-height: 1.5;
}
.problem-x    { color: #EF4444; font-weight: 700; flex-shrink: 0; margin-top: 1px; }
.problem-check { color: var(--kobalt); font-weight: 700; flex-shrink: 0; margin-top: 1px; }

@media (max-width: 640px) {
  .problem-grid { grid-template-columns: 1fr; }
}

/* ── Architecture diagram ── */
.arch-diagram svg {
  width: 100%;
  max-width: 800px;
  display: block;
  margin: 0 auto;
  filter: drop-shadow(0 8px 24px rgba(0,71,171,.08));
}