/**
 * AI Development — overview / summary hub styles.
 */

.pps-ai-dev-page .site-header:not(.is-scrolled) {
  background: rgba(3, 7, 18, 0.35);
  border-bottom-color: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(12px);
}

.pps-ai-dev-page .site-header:not(.is-scrolled) .primary-menu > li > a,
.pps-ai-dev-page .site-header:not(.is-scrolled) .site-branding,
.pps-ai-dev-page .site-header:not(.is-scrolled) .nav-toggle {
  color: #fff;
}

.ai-dev-page {
  overflow-x: clip;
}

/* ---- Hero ---- */
.ai-dev-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(5.5rem, 11vw, 8rem) 0 clamp(4rem, 8vw, 6rem);
  color: #fff;
  background: linear-gradient(145deg, #020617 0%, #0a1628 35%, #0c4a52 70%, #0e7c86 100%);
}

.ai-dev-hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.ai-dev-hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(45, 212, 191, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(45, 212, 191, 0.07) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 85% 75% at 50% 35%, #000 15%, transparent 78%);
}

.ai-dev-hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.6;
  animation: ai-dev-float 14s ease-in-out infinite;
}

.ai-dev-hero__orb--1 {
  width: 480px;
  height: 480px;
  top: -12%;
  right: -8%;
  background: rgba(45, 212, 191, 0.4);
}

.ai-dev-hero__orb--2 {
  width: 360px;
  height: 360px;
  bottom: -12%;
  left: -6%;
  background: rgba(248, 147, 31, 0.22);
  animation-delay: -5s;
}

.ai-dev-hero__orb--3 {
  width: 220px;
  height: 220px;
  top: 40%;
  left: 45%;
  background: rgba(14, 124, 134, 0.25);
  animation-delay: -2s;
}

@keyframes ai-dev-float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-16px, 20px) scale(1.06); }
}

.ai-dev-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: clamp(2.5rem, 5vw, 4.5rem);
  align-items: center;
}

.ai-dev-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #5eead4 !important;
  background: rgba(45, 212, 191, 0.14) !important;
  border: 1px solid rgba(45, 212, 191, 0.28);
}

.ai-dev-eyebrow::before {
  display: none !important;
}

.ai-dev-hero__title {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  line-height: 1.06;
  letter-spacing: -0.035em;
  margin: 1rem 0;
  max-width: 16ch;
  color: #fff;
}

.ai-dev-hero__subtitle {
  font-family: var(--pps-font-display);
  font-size: clamp(1.08rem, 2.1vw, 1.28rem);
  font-weight: 600;
  color: #5eead4;
  margin: 0 0 1.25rem;
  max-width: 36rem;
  line-height: 1.45;
}

.ai-dev-hero__lead {
  font-size: 1.05rem;
  line-height: 1.78;
  color: rgba(255, 255, 255, 0.78);
  margin: 0 0 1.85rem;
  max-width: 38rem;
}

.ai-dev-hero__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
}

.ai-dev-hero__badges li {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.92);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(10px);
}

.ai-dev-hero__badges i {
  color: #5eead4;
}

.ai-dev-btn-glow {
  box-shadow: 0 0 0 1px rgba(45, 212, 191, 0.3), 0 14px 36px rgba(14, 124, 134, 0.4);
}

.ai-dev-btn-ghost {
  color: #fff !important;
  border-color: rgba(255, 255, 255, 0.25) !important;
  background: rgba(255, 255, 255, 0.07) !important;
}

.ai-dev-btn-ghost:hover {
  color: #fff !important;
  border-color: #5eead4 !important;
  background: rgba(45, 212, 191, 0.14) !important;
}

.ai-dev-hero__visual {
  position: relative;
}

.ai-dev-stack {
  display: grid;
  gap: 0.85rem;
  padding: 1.25rem;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(16px);
  box-shadow: 0 24px 60px rgba(2, 6, 23, 0.35);
  animation: ai-dev-rise 0.9s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.ai-dev-stack__item {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 1rem 1.1rem;
  border-radius: 16px;
  background: rgba(2, 6, 23, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #fff;
  font-weight: 600;
  font-size: 0.98rem;
  transition: transform 0.35s ease, border-color 0.35s ease;
}

.ai-dev-stack__item:nth-child(2) { animation-delay: 0.08s; }
.ai-dev-stack__item:nth-child(3) { animation-delay: 0.16s; }
.ai-dev-stack__item:nth-child(4) { animation-delay: 0.24s; }

.ai-dev-stack__item:hover {
  transform: translateX(6px);
  border-color: rgba(45, 212, 191, 0.45);
}

.ai-dev-stack__item i {
  width: 2.4rem;
  height: 2.4rem;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(14, 124, 134, 0.9), rgba(45, 212, 191, 0.55));
  color: #fff;
  font-size: 1rem;
}

@keyframes ai-dev-rise {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---- Solution cards ---- */
.ai-dev-solutions {
  background: linear-gradient(180deg, #f7fafc 0%, #ffffff 100%);
}

.ai-dev-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
  margin-top: 2.5rem;
}

.ai-dev-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.75rem 1.6rem 1.5rem;
  border-radius: 20px;
  background: #fff;
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.05);
  text-decoration: none;
  color: inherit;
  overflow: hidden;
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.35s ease, border-color 0.35s ease;
}

.ai-dev-card:hover {
  transform: translateY(-4px);
  border-color: rgba(14, 124, 134, 0.28);
  box-shadow: 0 18px 40px rgba(14, 124, 134, 0.12);
  text-decoration: none;
  color: inherit;
}

.ai-dev-card__icon {
  width: 3rem;
  height: 3rem;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(135deg, #0e7c86, #14b8a6);
  color: #fff;
  font-size: 1.15rem;
}

.ai-dev-card:nth-child(even) .ai-dev-card__icon {
  background: linear-gradient(135deg, #d37724, #f8931f);
}

.ai-dev-card__num {
  position: absolute;
  top: 1.35rem;
  right: 1.4rem;
  font-family: var(--pps-font-display);
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  color: rgba(15, 23, 42, 0.08);
}

.ai-dev-card__title {
  margin: 0.35rem 0 0;
  font-size: 1.2rem;
  line-height: 1.3;
  color: #0f172a;
}

.ai-dev-card__text {
  margin: 0;
  flex: 1;
  font-size: 0.98rem;
  line-height: 1.65;
  color: #64748b;
}

.ai-dev-card__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.5rem;
  font-size: 0.92rem;
  font-weight: 700;
  color: #0e7c86;
}

.ai-dev-card:nth-child(even) .ai-dev-card__cta {
  color: #d37724;
}

.ai-dev-card:hover .ai-dev-card__cta i {
  transform: translateX(4px);
}

.ai-dev-card__cta i {
  transition: transform 0.3s ease;
  font-size: 0.85rem;
}

/* ---- Why ---- */
.ai-dev-why {
  background: #fff;
}

.ai-dev-why__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
  margin-top: 2.25rem;
}

.ai-dev-why__item {
  padding: 1.5rem 1.35rem;
  border-radius: 18px;
  background: linear-gradient(160deg, #f8fafc 0%, #f0fdfa 100%);
  border: 1px solid rgba(14, 124, 134, 0.1);
}

.ai-dev-why__item h3 {
  margin: 0 0 0.55rem;
  font-size: 1.12rem;
  color: #0f172a;
}

.ai-dev-why__item p {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.65;
  color: #64748b;
}

/* ---- Final CTA ---- */
.ai-dev-final {
  padding: clamp(3.5rem, 7vw, 5rem) 0;
  background: linear-gradient(135deg, #0a1628 0%, #0e7c86 100%);
  color: #fff;
  text-align: center;
}

.ai-dev-final__inner {
  max-width: 40rem;
}

.ai-dev-final h2 {
  margin: 0 0 0.85rem;
  font-size: clamp(1.7rem, 3.5vw, 2.35rem);
  letter-spacing: -0.03em;
  color: #fff;
}

.ai-dev-final p {
  margin: 0 0 1.5rem;
  font-size: 1.05rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.82);
}

/* ---- Responsive ---- */
@media (max-width: 960px) {
  .ai-dev-hero__inner {
    grid-template-columns: 1fr;
  }

  .ai-dev-hero__visual {
    max-width: 28rem;
  }

  .ai-dev-cards,
  .ai-dev-why__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .ai-dev-hero__title {
    max-width: none;
  }

  .ai-dev-stack {
    padding: 0.9rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ai-dev-hero__orb,
  .ai-dev-stack,
  .ai-dev-card,
  .ai-dev-stack__item,
  .ai-dev-card__cta i {
    animation: none !important;
    transition: none !important;
  }
}