/* ─── AI-LIFECYCLE.HTML — PAGE-SPECIFIC STYLES ───────────────────────────────── */

/* Hero Section */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 55% 45%;
  position: relative;
  overflow: hidden;
}
.hero-left {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 10rem 5rem 7rem;
  z-index: 2;
}
.hero-left::after {
  content: '';
  position: absolute;
  top: 0;
  right: -60px;
  bottom: 0;
  width: 120px;
  background: var(--black);
  clip-path: polygon(60px 0, 100% 0, 40px 100%, 0 100%);
  z-index: 3;
}
.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.38em;
  text-transform: uppercase;
  color: var(--teal-light);
  margin-bottom: 1.8rem;
  opacity: 0;
  animation: fadeUp 0.8s 0.2s forwards;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 5vw, 5.2rem);
  font-weight: 700;
  line-height: 1.02;
  color: #fff;
  margin-bottom: 2rem;
  opacity: 0;
  animation: fadeUp 0.8s 0.4s forwards;
}
.hero-title em {
  font-style: italic;
  font-family: var(--font-serif);
  color: var(--teal-light);
  font-weight: 300;
}
.hero-sub {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 460px;
  line-height: 1.8;
  margin-bottom: 3rem;
  opacity: 0;
  animation: fadeUp 0.8s 0.6s forwards;
}
.hero-actions {
  display: flex;
  gap: 1.2rem;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.8s 0.8s forwards;
}
.hero-steps-preview {
  position: absolute;
  bottom: 4rem;
  left: 5rem;
  display: flex;
  gap: 0.6rem;
  opacity: 0;
  animation: fadeUp 0.8s 1s forwards;
}
.step-pip {
  width: 28px;
  height: 3px;
  background: var(--border);
  transition: background 0.3s;
}
.step-pip.active {
  background: var(--teal-glow);
}
.hero-right {
  position: relative;
  overflow: hidden;
  background: var(--surface);
}
.hero-right img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
  filter: saturate(0.25) hue-rotate(160deg);
}
.hero-right::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--black) 0%, transparent 50%);
}
.hero-ghost {
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  font-family: var(--font-display);
  font-size: clamp(5rem, 10vw, 11rem);
  font-weight: 700;
  color: rgba(13,144,144,0.06);
  line-height: 1;
  letter-spacing: -0.03em;
  pointer-events: none;
  z-index: 2;
}
.hero-vbar {
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, transparent, var(--teal-glow), transparent);
  z-index: 4;
}

/* Intro Strip Stats */
.intro-strip {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 5rem 0;
}
.intro-strip-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0;
  background: var(--border);
}
.intro-stat {
  background: var(--surface);
  padding: 2.5rem 2.8rem;
  border-right: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.intro-stat:last-child {
  border-right: none;
}
.intro-stat::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  background: var(--teal-glow);
  transition: width 0.5s ease;
}
.intro-stat:hover::before {
  width: 100%;
}
.stat-big {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--teal-light);
  line-height: 1;
  margin-bottom: 0.6rem;
}
.stat-desc {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.6;
}
.stat-source {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.2em;
  color: var(--text-dim);
  margin-top: 0.8rem;
  text-transform: uppercase;
}

/* Philosophy Section */
.philosophy {
  padding: 8rem 0;
  background: var(--void);
}
.phil-grid {
  display: grid;
  grid-template-columns: 5fr 4fr;
  gap: 7rem;
  align-items: center;
}
.phil-text p {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.9;
  margin-bottom: 1.5rem;
}
.phil-text p strong {
  color: var(--text);
}
.phil-visual {
  position: relative;
}
.phil-img {
  width: 100%;
  aspect-ratio: 4/5;
  background: var(--surface2);
  position: relative;
  overflow: hidden;
}
.phil-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.45;
  filter: saturate(0.25) hue-rotate(160deg);
}
.phil-badge {
  position: absolute;
  top: -1.5rem;
  left: -1.5rem;
  background: var(--teal);
  padding: 2rem;
  width: 160px;
  text-align: center;
  box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}
.phil-badge-num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--teal-light);
  line-height: 1;
}
.phil-badge-label {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-top: 0.3rem;
  line-height: 1.4;
}

/* Lifecycle Stages */
.lifecycle {
  padding: 0 0 8rem;
  background: var(--black);
}
.lifecycle-header {
  padding: 7rem 0 5rem;
}
.lifecycle-band {
  width: 100%;
  height: 280px;
  position: relative;
  overflow: hidden;
  background: var(--surface);
  margin-bottom: 0;
}
.lifecycle-band img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.25;
  filter: saturate(0.2) hue-rotate(160deg);
}
.lifecycle-band-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--black) 0%, transparent 25%, transparent 75%, var(--black) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}
.band-label {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 5rem);
  font-weight: 700;
  color: rgba(13,144,144,0.1);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.stage {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 0;
  border-bottom: 1px solid var(--border);
  position: relative;
  transition: background 0.3s;
}
.stage:hover {
  background: rgba(13,144,144,0.02);
}
.stage-num-col {
  padding: 4rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  border-right: 1px solid var(--border);
  position: relative;
}
.stage-num-col::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 100%;
  background: linear-gradient(180deg, transparent, rgba(13,144,144,0.2));
  pointer-events: none;
  z-index: 0;
}
.stage:last-child .stage-num-col::after {
  display: none;
}
.stage-circle {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 1.5px solid var(--teal-glow);
  background: var(--black);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--teal-light);
  letter-spacing: 0.05em;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  transition: background 0.3s, border-color 0.3s;
}
.stage:hover .stage-circle {
  background: var(--teal);
  border-color: var(--teal-light);
}
.stage-content {
  padding: 4rem 4rem 4rem 3.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}
.stage-tag {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--teal-glow);
  margin-bottom: 0.8rem;
}
.stage-title {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 1rem;
  line-height: 1.15;
}
.stage-body {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}
.stage-img {
  width: 100%;
  background: var(--surface2);
  position: relative;
  overflow: hidden;
}
.stage-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
  filter: saturate(0.2) hue-rotate(160deg);
}
.stage-bullets {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}
.sb {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1rem 1.2rem;
  background: var(--surface);
  border-left: 2px solid transparent;
  transition: border-color 0.25s, background 0.25s;
}
.sb:hover {
  border-color: var(--teal-glow);
  background: var(--surface2);
}
.sb-icon {
  color: var(--teal-light);
  flex-shrink: 0;
  font-size: 0.7rem;
  padding-top: 0.2rem;
}
.sb-title {
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 0.2rem;
}
.sb-body {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.55;
}
.stage-img-wrap {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.stage:nth-child(even) .stage-content {
  grid-template-columns: 1fr 1fr;
}
.stage:nth-child(even) .stage-left {
  order: 2;
}
.stage:nth-child(even) .stage-img-wrap {
  order: 1;
}

/* Bridge Section */
.bridge {
  position: relative;
  height: 400px;
  overflow: hidden;
}
.bridge-bg {
  position: absolute;
  inset: 0;
  background: var(--surface);
}
.bridge-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.2;
  filter: saturate(0.15) hue-rotate(160deg);
}
.bridge-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10,10,11,0.97) 0%, rgba(10,10,11,0.5) 60%, rgba(13,107,107,0.15) 100%);
  display: flex;
  align-items: center;
  padding: 0 4rem;
}
.bridge-text {
  max-width: 680px;
}
.bridge-quote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1.4rem, 2.5vw, 2.1rem);
  color: #fff;
  line-height: 1.5;
  margin-bottom: 2rem;
}
.bridge-quote span {
  color: var(--teal-light);
}

/* Evolve Section */
.evolve {
  padding: 8rem 0;
  background: var(--void);
  border-top: 1px solid var(--border);
}
.evolve-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: start;
}
.evolve-img {
  width: 100%;
  aspect-ratio: 4/3;
  background: var(--surface2);
  position: relative;
  overflow: hidden;
  margin-bottom: 2rem;
}
.evolve-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
  filter: saturate(0.2) hue-rotate(160deg);
}
.evolve-secondary {
  width: 50%;
  aspect-ratio: 2/3;
  background: var(--surface);
  position: relative;
  overflow: hidden;
  float: right;
  margin-left: 1.5rem;
  margin-bottom: 1rem;
}
.evolve-secondary img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
  filter: saturate(0.2) hue-rotate(160deg);
}
.evolve-cards {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.evolve-card {
  display: flex;
  gap: 1.5rem;
  padding: 1.6rem 2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  transition: border-color 0.25s;
}
.evolve-card:hover {
  border-color: var(--teal-glow);
}
.evolve-card-icon {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  color: rgba(13,144,144,0.3);
  flex-shrink: 0;
  line-height: 1;
  padding-top: 0.2rem;
}
.evolve-card-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 0.3rem;
}
.evolve-card-body {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* CTA Section */
.cta-section {
  padding: 10rem 0;
  background: var(--surface);
  position: relative;
  overflow: hidden;
  text-align: center;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 110%, rgba(13,144,144,0.07) 0%, transparent 70%),
              repeating-linear-gradient(90deg, transparent, transparent 119px, rgba(255,255,255,0.015) 120px);
}
.cta-section .container {
  position: relative;
  z-index: 2;
}
.cta-section .section-title {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  margin-bottom: 1.5rem;
}
.cta-section .lead {
  margin: 0 auto 3.5rem;
  text-align: center;
  max-width: 560px;
}
.cta-actions {
  display: flex;
  gap: 1.2rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Responsive */
@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }
  .hero-left {
    padding: 9rem 2.5rem 5rem;
  }
  .hero-left::after {
    display: none;
  }
  .hero-right {
    height: 45vw;
    min-height: 280px;
  }
  .hero-right::after {
    background: linear-gradient(0deg, var(--black) 0%, transparent 50%);
  }
  .intro-strip-grid {
    grid-template-columns: 1fr;
  }
  .intro-stat {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .intro-stat:last-child {
    border-bottom: none;
  }
  .phil-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .phil-badge {
    position: static;
    margin-bottom: 1.5rem;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
  }
  .stage-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .stage:nth-child(even) .stage-left {
    order: 0;
  }
  .stage:nth-child(even) .stage-img-wrap {
    order: 0;
  }
  .evolve-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .evolve-secondary {
    float: none;
    width: 100%;
    aspect-ratio: 16/7;
    margin: 0 0 1.5rem;
  }
  .bridge-overlay {
    padding: 0 2.5rem;
  }
}

@media (max-width: 640px) {
  .hero-left {
    padding: 8rem 1.5rem 4rem;
  }
  .stage {
    grid-template-columns: 60px 1fr;
  }
  .stage-circle {
    width: 40px;
    height: 40px;
    font-size: 0.6rem;
  }
  .stage-content {
    padding: 2.5rem 1.5rem;
  }
  .bridge {
    height: 320px;
  }
  .hero-steps-preview {
    left: 1.5rem;
    bottom: 2rem;
  }
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}