/* ═══════════════════════════════════════════════
   MUTEKI — Why AI / Operational Benefits (Light Theme)
   ═══════════════════════════════════════════════ */

#why-ai {
  --indigo:      #5B4FE8;
  --violet:      #8B5CF6;
  --indigo-dark: #3D32C4;
  --indigo-soft: #EEF0FF;
  --ink:         #0F0F2D;
  --sub:         #6B7280;
  --sub2:        #9CA3AF;
  --border:      #E5E7EB;
  --border-i:    rgba(91,79,232,.14);
  --bg:          #fff;
  --bg2:         #F8F8FF;
  --green:       #10B981;
}

/* Full-width breakout */
#why-ai {
  width: 100vw !important;
  position: relative;
  left: 50%;
  right: 50%;
  margin-left: -50vw !important;
  margin-right: -50vw !important;
  box-sizing: border-box;
  padding: 130px 0 140px;
  background: var(--bg2) !important;
  overflow: hidden;
}

/* Ambient blobs */
#why-ai::before {
  content: '';
  position: absolute;
  top: -200px; right: -150px;
  width: 700px; height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(91,79,232,.07) 0%, transparent 65%);
  pointer-events: none; z-index: 0;
}
#why-ai::after {
  content: '';
  position: absolute;
  bottom: -120px; left: -100px;
  width: 560px; height: 560px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(139,92,246,.05) 0%, transparent 65%);
  pointer-events: none; z-index: 0;
}

/* Dot grid */
.ob__dots {
  position: absolute; inset: 0;
  background-image: radial-gradient(circle, rgba(91,79,232,.1) 1px, transparent 1px);
  background-size: 38px 38px;
  -webkit-mask-image: radial-gradient(ellipse 90% 90% at 50% 50%, black 20%, transparent 100%);
  mask-image: radial-gradient(ellipse 90% 90% at 50% 50%, black 20%, transparent 100%);
  pointer-events: none; z-index: 0;
}

/* Wrapper */
.ob__wrap {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 64px;
  position: relative;
  z-index: 1;
}

/* HEADER */
.ob__head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: end;
  margin-bottom: 80px;
}

.ob__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: 'DM Sans', sans-serif;
  font-size: 11px; font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--indigo);
  margin-bottom: 20px;
}
.ob__eyebrow::before {
  content: '';
  width: 24px; height: 1.5px;
  background: linear-gradient(90deg, rgba(91,79,232,.5), transparent);
  border-radius: 2px;
  flex-shrink: 0;
}

.ob__h2 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: clamp(30px, 3.6vw, 52px);
  font-weight: 900;
  color: var(--ink);
  letter-spacing: -2px;
  line-height: 1.05;
  text-transform: uppercase;
}
.ob__h2 em {
  font-style: normal;
  background: linear-gradient(135deg, #5B4FE8 0%, #8B5CF6 50%, #7B72EE 100%);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: obGrad 5s ease-in-out infinite;
}
@keyframes obGrad {
  0%, 100% { background-position: 0% 50%; }
  50%      { background-position: 100% 50%; }
}

.ob__head-right {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 24px;
}

.ob__sub {
  font-family: 'DM Sans', sans-serif;
  font-size: 16px; line-height: 1.75;
  color: var(--sub);
  max-width: 420px;
}

/* FEATURED CARD — Item 01 */
.ob__featured {
  background: var(--bg);
  border: 1.5px solid #EEECFB;
  border-radius: 24px;
  padding: 0;
  margin-bottom: 16px;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(91,79,232,.06), 0 1px 4px rgba(15,15,45,.04);
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 360px;
  position: relative;
  transition: border-color .3s, box-shadow .3s, transform .3s;
}
.ob__featured::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--indigo), var(--violet));
  border-radius: 24px 24px 0 0;
  z-index: 1;
}
.ob__featured:hover {
  border-color: rgba(91,79,232,.28);
  box-shadow: 0 0 0 4px rgba(91,79,232,.06), 0 24px 60px rgba(91,79,232,.1);
  transform: translateY(-4px);
}

/* Left body pane */
.ob__feat-body {
  padding: 52px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 24px;
}
.ob__num {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 11px; font-weight: 800;
  letter-spacing: 3px;
  color: rgba(91,79,232,.5);
  text-transform: uppercase;
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 14px;
}
.ob__num::before {
  content: '';
  width: 20px; height: 1px;
  background: rgba(91,79,232,.4);
  flex-shrink: 0;
}
.ob__feat-title {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: clamp(20px, 1.9vw, 28px);
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -.5px;
  line-height: 1.18;
  margin-bottom: 16px;
}
.ob__feat-desc {
  font-family: 'DM Sans', sans-serif;
  font-size: 15px; line-height: 1.75;
  color: var(--sub);
  max-width: 380px;
  margin-bottom: 10px;
}

/* Right visual pane */
.ob__feat-visual {
  background: linear-gradient(135deg, var(--indigo-soft) 0%, #F5F3FF 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 40px;
}
.ob__feat-visual::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(91,79,232,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(91,79,232,.06) 1px, transparent 1px);
  background-size: 32px 32px;
}
.ob__feat-visual-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 280px;
}

/* Dashboard mockup */
.ob__dash {
  background: var(--bg);
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 16px 48px rgba(91,79,232,.14), 0 4px 16px rgba(15,15,45,.08);
  border: 1px solid var(--border-i);
}
.ob__dash-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}
.ob__dash-dot { width: 8px; height: 8px; border-radius: 50%; }
.ob__dash-label {
  font-family: 'DM Sans', sans-serif;
  font-size: 11px; font-weight: 700;
  color: var(--sub2);
  letter-spacing: .5px;
  text-transform: uppercase;
  margin-left: auto;
}
.ob__dash-bars {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 80px;
  margin-bottom: 14px;
}
.ob__dash-bar {
  flex: 1;
  border-radius: 5px 5px 0 0;
  background: var(--indigo-soft);
  transition: height .6s cubic-bezier(.4,0,.2,1);
  position: relative;
  overflow: hidden;
}
.ob__dash-bar::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(91,79,232,.15), transparent);
}
.ob__dash-bar--hl {
  background: linear-gradient(180deg, var(--indigo), var(--violet));
}
.ob__dash-bar--hl::after { background: none; }
.ob__dash-stat {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  background: var(--bg2);
  border-radius: 8px;
  margin-top: 6px;
}
.ob__dash-stat-val {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 16px; font-weight: 900;
  letter-spacing: -1px;
  background: linear-gradient(135deg, var(--indigo), var(--violet));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.ob__dash-stat-lbl {
  font-family: 'DM Sans', sans-serif;
  font-size: 11px; color: var(--sub2); font-weight: 500;
}
.ob__dash-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: 'DM Sans', sans-serif;
  font-size: 11px; font-weight: 700;
  color: var(--green);
  background: rgba(16,185,129,.1);
  border-radius: 5px;
  padding: 3px 8px;
}
.ob__dash-chip::before { content: '\2191'; font-size: 10px; }

/* SECONDARY GRIDS */
.ob__grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
.ob__grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

/* Base card */
.ob__card {
  background: var(--bg);
  border: 1.5px solid #EEECFB;
  border-radius: 22px;
  padding: 36px 34px 32px;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(91,79,232,.04), 0 1px 4px rgba(15,15,45,.04);
  transition: transform .3s cubic-bezier(.4,0,.2,1), border-color .3s, box-shadow .3s;
  cursor: default;
}
.ob__card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2.5px;
  background: linear-gradient(90deg, var(--indigo), var(--violet));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s cubic-bezier(.4,0,.2,1);
  border-radius: 22px 22px 0 0;
}
.ob__card::after {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 180px; height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(91,79,232,.07) 0%, transparent 65%);
  opacity: 0;
  transition: opacity .3s;
  pointer-events: none;
}
.ob__card:hover {
  transform: translateY(-6px);
  border-color: rgba(91,79,232,.28);
  box-shadow: 0 0 0 4px rgba(91,79,232,.06), 0 20px 50px rgba(91,79,232,.1);
}
.ob__card:hover::before { transform: scaleX(1); }
.ob__card:hover::after  { opacity: 1; }

/* Card number */
.ob__card-num {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 11px; font-weight: 800;
  letter-spacing: 3px;
  color: rgba(91,79,232,.45);
  text-transform: uppercase;
  margin-bottom: 20px;
  display: flex; align-items: center; gap: 8px;
}
.ob__card-num::before {
  content: '';
  width: 16px; height: 1px;
  background: rgba(91,79,232,.35);
  flex-shrink: 0;
}

/* Icon */
.ob__card-icon {
  width: 52px; height: 52px;
  background: var(--indigo-soft);
  border: 1.5px solid var(--border-i);
  border-radius: 14px;
  display: grid; place-items: center;
  margin-bottom: 22px;
  transition: background .3s, border-color .3s, transform .3s, box-shadow .3s;
  flex-shrink: 0;
}
.ob__card:hover .ob__card-icon {
  background: rgba(91,79,232,.12);
  border-color: rgba(91,79,232,.35);
  transform: scale(1.08) rotate(-4deg);
  box-shadow: 0 8px 20px rgba(91,79,232,.18);
}
.ob__card-icon svg { width: 22px; height: 22px; stroke: var(--indigo); }

/* Title */
.ob__card-title {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 17px; font-weight: 800;
  color: var(--ink);
  letter-spacing: -.3px; line-height: 1.2;
  margin-bottom: 12px;
  transition: color .25s;
}
.ob__card:hover .ob__card-title { color: var(--indigo); }

/* Desc */
.ob__card-desc {
  font-family: 'DM Sans', sans-serif;
  font-size: 13.5px; line-height: 1.72;
  color: var(--sub2);
  flex: 1;
  margin-bottom: 24px;
  transition: color .25s;
}
.ob__card:hover .ob__card-desc { color: var(--sub); }

/* Wide card */
.ob__card--wide {
  grid-column: 1 / -1;
  flex-direction: row;
  align-items: flex-start;
  gap: 36px;
  padding: 36px 44px;
}
.ob__card--wide .ob__card-left {
  flex: 1;
  display: flex;
  flex-direction: column;
}
.ob__card--wide .ob__card-right {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

/* NLP Pipeline */
.ob__pipeline {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  background: var(--bg2);
  padding: 20px 24px;
  border-radius: 12px;
  border: 1px solid var(--border);
  width: 100%;
  counter-reset: pipeline-step;
}
.ob__pipe-node {
  counter-increment: pipeline-step;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px 8px 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: 'DM Sans', sans-serif;
  font-size: 11.5px;
  font-weight: 700;
  color: var(--sub);
  transition: all .25s;
  line-height: 1.3;
}
.ob__pipe-node::before {
  content: counter(pipeline-step);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--indigo-soft);
  color: var(--indigo);
  font-size: 10px; font-weight: 800;
  transition: all .25s;
  flex-shrink: 0;
}
.ob__pipe-node.hl {
  background: linear-gradient(135deg, var(--indigo), var(--violet));
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(91,79,232,.15);
}
.ob__pipe-node.hl::before {
  background: rgba(255,255,255,0.25);
  color: #fff;
}
.ob__card:hover .ob__pipe-node:not(.hl) {
  border-color: rgba(91,79,232,.25);
  color: var(--indigo);
  box-shadow: 0 2px 8px rgba(91,79,232,.05);
}
.ob__card:hover .ob__pipe-node:not(.hl)::before {
  background: var(--indigo);
  color: #fff;
}

/* Badges */
.ob__card-badges { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 24px; }
.ob__badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: 'DM Sans', sans-serif;
  font-size: 11px; font-weight: 600;
  color: var(--sub);
  background: #F3F4F6;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 10px;
  transition: all .2s;
}
.ob__card:hover .ob__badge {
  background: var(--indigo-soft);
  border-color: rgba(91,79,232,.2);
  color: var(--indigo);
}
.ob__badge-dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--green);
  flex-shrink: 0;
}

/* SCROLL REVEAL */
.ob-reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s cubic-bezier(.16,1,.3,1),
              transform .7s cubic-bezier(.16,1,.3,1);
}
.ob-reveal.is-vis { opacity: 1; transform: translateY(0); }
.ob-reveal-d1 { transition-delay: .08s; }
.ob-reveal-d2 { transition-delay: .16s; }
.ob-reveal-d3 { transition-delay: .24s; }
.ob-reveal-d4 { transition-delay: .32s; }
.ob-reveal-d5 { transition-delay: .40s; }

/* RESPONSIVE */
@media (max-width: 1080px) {
  .ob__wrap     { padding: 0 32px; }
  .ob__head     { grid-template-columns: 1fr; gap: 24px; }
  .ob__featured { grid-template-columns: 1fr; }
  .ob__feat-visual { min-height: 220px; }
  .ob__grid-3   { grid-template-columns: 1fr; }
  .ob__card--wide { grid-column: 1 / -1; flex-direction: column; }
  .ob__card--wide .ob__card-left { max-width: 100%; }
}
@media (max-width: 640px) {
  #why-ai       { padding: 80px 0 90px; }
  .ob__wrap     { padding: 0 20px; }
  .ob__grid-2   { grid-template-columns: 1fr; }
  .ob__grid-3   { grid-template-columns: 1fr; }
  .ob__card--wide { grid-column: 1 / -1; flex-direction: column; }
  .ob__featured { min-height: auto; }
  .ob__feat-body { padding: 32px 24px; }
  .ob__head     { margin-bottom: 48px; }
}