/* ============================================================
   Braindoos — Enterprise AI page styles
   (extends styles.css + styles-sections.css tokens)
   ============================================================ */

/* ---------- AI HERO (orbital) ---------- */
.aihero {
  position: relative;
  background: var(--navy-900);
  color: #fff;
  padding: calc(var(--nav-h) + 84px) 0 96px;
  overflow: hidden;
}
.aihero__bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(820px 520px at 82% 16%, rgba(34,211,238,.16), transparent 60%),
    radial-gradient(720px 560px at 10% 96%, rgba(59,91,196,.30), transparent 62%),
    linear-gradient(180deg, var(--navy-900), var(--navy-800) 70%, #0B1C50 100%);
}
.aihero__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(120% 90% at 70% 10%, #000 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(120% 90% at 70% 10%, #000 30%, transparent 78%);
}
.aihero .wrap { position: relative; z-index: 2; }
.aihero__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; min-height: 540px; }
.aihero__badge {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 8px 16px; border-radius: 100px;
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.14);
  font-size: 12.5px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  color: var(--accent); backdrop-filter: blur(8px);
}
.aihero h1 { color: #fff; font-size: 58px; letter-spacing: -0.03em; margin-top: 26px; }
.aihero h1 .grad { background: linear-gradient(100deg, #6FE9FB, var(--accent) 50%, #7C8FF0); -webkit-background-clip: text; background-clip: text; color: transparent; }
.aihero__sub { margin-top: 24px; font-size: 19.5px; line-height: 1.62; color: rgba(225,233,250,.78); max-width: 540px; }
.aihero__actions { margin-top: 36px; display: flex; gap: 14px; flex-wrap: wrap; }
.aihero__chips { margin-top: 34px; display: flex; gap: 10px; flex-wrap: wrap; }
.aihero__chips .chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 14px; border-radius: 100px;
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.12);
  font-size: 13px; font-weight: 600; color: rgba(225,233,250,.82);
}
.aihero__chips .chip i { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }

/* orbital system */
.orbit-system { position: relative; width: 540px; height: 540px; margin: 0 auto; }
.orbit { position: absolute; top: 50%; left: 50%; border-radius: 50%; border: 1px solid rgba(255,255,255,.1); transform: translate(-50%,-50%); }
.orbit::before { content:""; position:absolute; inset:-1px; border-radius:50%; border:1px solid transparent; border-top-color: rgba(34,211,238,.4); }
.orbit--1 { width: 270px; height: 270px; animation: spin 26s linear infinite; }
.orbit--2 { width: 390px; height: 390px; animation: spin 42s linear infinite reverse; }
.orbit--3 { width: 510px; height: 510px; animation: spin 66s linear infinite; }
@keyframes spin { to { transform: translate(-50%,-50%) rotate(360deg); } }

.orbit__node { position: absolute; top: -1px; left: 50%; transform: translate(-50%,-50%); }
.orbit__node.right { top: 50%; left: auto; right: -1px; transform: translate(50%,-50%); }
.orbit__node.bottom { top: auto; bottom: -1px; left: 50%; transform: translate(-50%,50%); }
.orbit__node.left { top: 50%; left: -1px; transform: translate(-50%,-50%); }
.orbit--1 .orbit__node-inner { animation: spin-rev 26s linear infinite; }
.orbit--2 .orbit__node-inner { animation: spin-rev 42s linear infinite reverse; }
.orbit--3 .orbit__node-inner { animation: spin-rev 66s linear infinite; }
@keyframes spin-rev { to { transform: rotate(-360deg); } }

.onode {
  display: flex; align-items: center; gap: 9px;
  padding: 9px 13px 9px 9px; border-radius: 12px;
  background: rgba(13,26,64,.85); border: 1px solid rgba(255,255,255,.16);
  backdrop-filter: blur(10px); box-shadow: 0 10px 28px rgba(0,0,0,.4);
  font-size: 12.5px; font-weight: 600; color: #fff; white-space: nowrap;
}
.onode .ic { width: 26px; height: 26px; border-radius: 8px; display: grid; place-items: center; flex: 0 0 auto; }
.onode .ic svg { width: 15px; height: 15px; }
.ic-cyan { background: rgba(34,211,238,.18); color: var(--accent); }
.ic-indigo { background: rgba(124,143,240,.2); color: #9DB0FF; }
.ic-green { background: rgba(52,211,153,.18); color: #5CE6B0; }
.ic-amber { background: rgba(245,158,11,.18); color: #FFC65C; }

.orbit-core {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  width: 150px; height: 150px; border-radius: 32px;
  background: linear-gradient(160deg, rgba(34,211,238,.22), rgba(124,143,240,.2));
  border: 1px solid rgba(34,211,238,.5);
  box-shadow: var(--shadow-glow), inset 0 1px 0 rgba(255,255,255,.2);
  backdrop-filter: blur(10px); display: grid; place-items: center; text-align: center; z-index: 5;
}
.orbit-core .ring { position: absolute; inset: -18px; border-radius: 40px; border: 1px solid rgba(34,211,238,.22); animation: pulse 3.6s ease-out infinite; }
.orbit-core .ring:nth-child(2) { animation-delay: 1.2s; }
.orbit-core .ring:nth-child(3) { animation-delay: 2.4s; }
.orbit-core .label { font-family: var(--font-display); font-weight: 700; font-size: 15px; color: #fff; }
.orbit-core .label small { display: block; font-size: 9.5px; letter-spacing: .2em; color: var(--accent); margin-top: 4px; }

/* ---------- OVERVIEW ---------- */
.ovw { background: var(--bg); }
.ovw__layout { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.ovw__copy p.lead { margin-top: 22px; font-size: 19px; color: var(--muted); }
.ovw__copy .body { margin-top: 18px; font-size: 16.5px; color: var(--ink-700); line-height: 1.7; }
.ovw__stats { margin-top: 32px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.ovw__stat { padding: 20px; border-radius: var(--r-md); background: var(--panel); border: 1px solid var(--line); }
.ovw__stat .n { font-family: var(--font-display); font-weight: 600; font-size: 34px; letter-spacing: -0.02em; color: var(--primary); }
.ovw__stat .n .suffix { color: var(--accent-600); }
.ovw__stat .l { margin-top: 6px; font-size: 13.5px; font-weight: 600; color: var(--muted); }

.ovw__panel {
  position: relative; border-radius: var(--r-xl);
  background: linear-gradient(165deg, var(--navy-800), var(--navy-900));
  border: 1px solid var(--line-strong); box-shadow: var(--shadow-lg);
  padding: 30px; overflow: hidden; min-height: 440px;
}
.ovw__panel-head { display: flex; align-items: center; justify-content: space-between; color: rgba(225,233,250,.7); font-size: 12px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; font-family: var(--font-display); }
.ovw__panel-head .dot3 { display: flex; gap: 6px; }
.ovw__panel-head .dot3 i { width: 9px; height: 9px; border-radius: 50%; background: rgba(255,255,255,.18); }
.ovw__panel-head .dot3 i:first-child { background: var(--accent); }
.ovw__layers { margin-top: 22px; display: flex; flex-direction: column; gap: 12px; }
.ovw__layer {
  display: flex; align-items: center; gap: 14px; padding: 16px 18px; border-radius: 14px;
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.1);
}
.ovw__layer .lic { width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center; flex: 0 0 auto; }
.ovw__layer .lic svg { width: 19px; height: 19px; }
.ovw__layer h5 { font-family: var(--font-display); color: #fff; font-size: 15px; font-weight: 600; }
.ovw__layer p { color: rgba(225,233,250,.6); font-size: 13px; margin-top: 3px; }
.ovw__layer .meter { margin-left: auto; font-family: var(--font-display); font-size: 13px; font-weight: 600; color: var(--accent); }

/* ---------- FRAMEWORK ROADMAP ---------- */
.frame { background: var(--navy-900); color: #fff; position: relative; overflow: hidden; }
.frame__bg { position:absolute; inset:0; background:
  radial-gradient(680px 440px at 90% 8%, rgba(34,211,238,.13), transparent 60%),
  radial-gradient(640px 460px at 4% 98%, rgba(59,91,196,.24), transparent 62%); }
.frame .wrap { position: relative; z-index: 2; }
.frame h2 { color: #fff; font-size: 44px; }
.frame__track { margin-top: 60px; position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.frame__track::before { content:""; position:absolute; top: 27px; left: 7%; right: 7%; height: 2px; background: linear-gradient(90deg, transparent, rgba(34,211,238,.5) 12%, rgba(124,143,240,.5) 88%, transparent); }
.fstep { position: relative; }
.fstep__dot {
  width: 54px; height: 54px; border-radius: 16px; display: grid; place-items: center;
  background: linear-gradient(160deg, var(--navy-700), var(--navy-800));
  border: 1px solid rgba(34,211,238,.4); position: relative; z-index: 2;
  box-shadow: 0 8px 22px rgba(0,0,0,.4);
}
.fstep__dot svg { width: 24px; height: 24px; color: var(--accent); }
.fstep__n { font-family: var(--font-display); font-size: 12px; font-weight: 700; letter-spacing: .14em; color: var(--accent); margin-top: 22px; }
.fstep h4 { color: #fff; font-size: 21px; margin-top: 8px; }
.fstep p { color: rgba(225,233,250,.66); font-size: 14.5px; margin-top: 10px; }
.fstep ul { margin: 16px 0 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 8px; }
.fstep li { display: flex; align-items: center; gap: 9px; font-size: 13.5px; color: rgba(225,233,250,.8); }
.fstep li::before { content:""; width: 5px; height: 5px; border-radius: 50%; background: var(--accent); flex: 0 0 auto; }

/* ---------- BENEFITS ---------- */
.benefits { background: var(--panel); }
.benefits__grid { margin-top: 52px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.bcard {
  padding: 30px; border-radius: var(--r-lg); background: var(--bg);
  border: 1px solid var(--line); box-shadow: var(--shadow-sm);
  transition: transform .25s ease, box-shadow .3s ease;
}
.bcard:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.bcard__top { display: flex; align-items: center; gap: 14px; }
.bcard__ic { width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; background: linear-gradient(160deg, var(--primary), var(--primary-600)); flex: 0 0 auto; }
.bcard__ic svg { width: 22px; height: 22px; color: #fff; }
.bcard__metric { font-family: var(--font-display); font-weight: 600; font-size: 30px; letter-spacing: -0.02em; color: var(--primary); }
.bcard__metric .suffix { color: var(--accent-600); }
.bcard h4 { font-size: 18px; margin-top: 20px; }
.bcard p { margin-top: 10px; color: var(--muted); font-size: 15px; }

/* ---------- USE CASES ---------- */
.usecases { background: var(--bg); }
.uc__tabs { margin-top: 44px; display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }
.uc__tab {
  font-family: var(--font-body); font-weight: 600; font-size: 14.5px;
  padding: 11px 20px; border-radius: 100px; cursor: pointer;
  background: var(--bg); border: 1px solid var(--line-strong); color: var(--ink-700);
  transition: all .2s ease;
}
.uc__tab:hover { border-color: var(--primary-400); }
.uc__tab.active { background: var(--primary); color: #fff; border-color: var(--primary); box-shadow: 0 6px 16px rgba(11,42,107,.25); }
.uc__panel { margin-top: 36px; display: none; }
.uc__panel.active { display: block; }
.uc__panel.active.fx { animation: fadeUp .5s ease; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
.uc__panel-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: center; padding: 8px; }
.uc__media { position: relative; min-height: 320px; border-radius: var(--r-xl); overflow: hidden; border: 1px solid var(--line); }
.uc__media .ph-label { position: absolute; left: 16px; bottom: 14px; font-family: var(--font-display); font-size: 11px; letter-spacing: .1em; color: rgba(255,255,255,.7); background: rgba(6,15,43,.5); padding: 5px 10px; border-radius: 8px; }
.uc__body h3 { font-size: 30px; }
.uc__body p { margin-top: 16px; font-size: 16.5px; color: var(--muted); line-height: 1.7; }
.uc__points { margin-top: 22px; display: flex; flex-direction: column; gap: 12px; }
.uc__point { display: flex; gap: 12px; align-items: flex-start; }
.uc__point .ck { width: 24px; height: 24px; border-radius: 7px; background: var(--panel-2); display: grid; place-items: center; flex: 0 0 auto; }
.uc__point .ck svg { width: 14px; height: 14px; color: var(--accent-600); }
.uc__point div strong { font-weight: 700; color: var(--ink); }
.uc__point div p { margin-top: 2px; font-size: 14px; color: var(--muted); }

/* ---------- CASE STUDY HIGHLIGHT ---------- */
.casehl { background: var(--panel); }
.casehl__card {
  position: relative; border-radius: var(--r-xl); overflow: hidden;
  background: linear-gradient(150deg, var(--navy-800), var(--navy-900) 72%);
  color: #fff; box-shadow: var(--shadow-lg); display: grid; grid-template-columns: 1.15fr 1fr;
}
.casehl__bg { position: absolute; inset: 0; background:
  radial-gradient(560px 360px at 88% 14%, rgba(34,211,238,.18), transparent 60%),
  radial-gradient(520px 380px at 0% 96%, rgba(59,91,196,.3), transparent 62%); }
.casehl__left { position: relative; z-index: 2; padding: 56px; }
.casehl__tag { display: inline-flex; align-items: center; gap: 8px; font-size: 12px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); }
.casehl blockquote { margin: 22px 0 0; font-family: var(--font-display); font-weight: 500; font-size: 30px; line-height: 1.28; letter-spacing: -0.02em; color: #fff; }
.casehl__author { margin-top: 26px; display: flex; align-items: center; gap: 14px; }
.casehl__avatar { width: 46px; height: 46px; border-radius: 50%; background: linear-gradient(160deg, var(--primary-400), var(--accent-600)); display: grid; place-items: center; font-family: var(--font-display); font-weight: 700; color: #fff; font-size: 15px; }
.casehl__author .who { font-weight: 700; font-size: 15px; }
.casehl__author .who span { display: block; font-weight: 500; font-size: 13px; color: rgba(225,233,250,.6); }
.casehl__right { position: relative; z-index: 2; padding: 56px; border-left: 1px solid rgba(255,255,255,.1); display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-content: center; }
.casehl__metric .n { font-family: var(--font-display); font-weight: 600; font-size: 46px; letter-spacing: -0.03em; line-height: 1; }
.casehl__metric .n .suffix { color: var(--accent); }
.casehl__metric .l { margin-top: 10px; font-size: 14px; color: rgba(225,233,250,.66); }

/* ---------- responsive guard ---------- */
@media (max-width: 1080px) {
  .aihero__inner, .ovw__layout, .uc__panel-inner { grid-template-columns: 1fr; }
  .orbit-system { display: none; }
  .frame__track, .benefits__grid { grid-template-columns: repeat(2, 1fr); }
  .frame__track::before { display: none; }
  .casehl__card { grid-template-columns: 1fr; }
  .casehl__right { border-left: none; border-top: 1px solid rgba(255,255,255,.1); }
}

@media (max-width: 640px) {
  .frame__track, .benefits__grid { grid-template-columns: 1fr; }
  .casehl__right { padding: 32px 24px; grid-template-columns: 1fr; }
  .casehl__metric .n { font-size: 36px; }
}