/* ==========================================================================
   3D Premium UI language
   Used selectively: hero scenes, feature cards, icon containers, previews.
   Pure CSS 3D transforms — no WebGL / external 3D libraries.
   Disabled or flattened by: prefers-reduced-motion, [data-motion="reduced"],
   [data-effects="flat"] (Settings → Theme → 3D effects).
   ========================================================================== */

/* ---------- 3D card (depth-based hover + optional pointer tilt) ---------- */
.card-3d {
  transform-style: preserve-3d;
  transform: perspective(1000px) rotateX(var(--tilt-x, 0deg)) rotateY(var(--tilt-y, 0deg)) translateZ(0);
  transition: transform var(--dur-slow) var(--ease-out), box-shadow var(--dur-slow) var(--ease-out), border-color var(--dur);
  will-change: transform;
}
.card-3d:hover {
  box-shadow: var(--shadow-3), var(--shadow-inset-light);
  border-color: rgba(var(--brand-primary-rgb), .3);
}
.card-3d:not([data-tilt]):hover { transform: perspective(1000px) translateY(-6px); }
.card-3d .lift { transform: translateZ(30px); }
.card-3d .lift-sm { transform: translateZ(16px); }
/* Subtle reflection sheen following the pointer */
.card-3d::after {
  content: "";
  position: absolute; inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background: radial-gradient(400px circle at var(--mx, 50%) var(--my, 0%), rgba(255,255,255,.22), transparent 45%);
  opacity: 0;
  transition: opacity var(--dur);
}
.card-3d:hover::after { opacity: 1; }
[data-theme="dark"] .card-3d::after { background: radial-gradient(400px circle at var(--mx, 50%) var(--my, 0%), rgba(255,255,255,.08), transparent 45%); }

/* ---------- 3D icon container ---------- */
.icon-3d {
  --size: 52px;
  position: relative;
  width: var(--size); height: var(--size);
  flex: none;
  display: grid; place-items: center;
  border-radius: calc(var(--size) * .3);
  color: #fff;
  background: linear-gradient(145deg, hsl(var(--h, 199) 90% 58%), hsl(calc(var(--h, 199) + 40) 75% 50%));
  box-shadow:
    0 1px 0 rgba(255,255,255,.45) inset,
    0 -3px 0 rgba(0,0,0,.14) inset,
    0 10px 20px -6px hsla(var(--h, 199), 85%, 45%, .55);
  transform: perspective(300px) rotateX(10deg);
  transition: transform var(--dur-slow) var(--ease-spring);
}
.icon-3d::before {
  content: ""; position: absolute; inset: 3px 3px 50% 3px;
  border-radius: calc(var(--size) * .26) calc(var(--size) * .26) 40% 40%;
  background: linear-gradient(180deg, rgba(255,255,255,.4), transparent);
  pointer-events: none;
}
.icon-3d svg { width: 46%; height: 46%; position: relative; filter: drop-shadow(0 2px 2px rgba(0,0,0,.2)); }
.icon-3d.lg { --size: 72px; }
.icon-3d.sm { --size: 38px; }
.card-3d:hover .icon-3d, .icon-3d:hover { transform: perspective(300px) rotateX(0deg) translateY(-3px) scale(1.04); }

/* ---------- Hero ---------- */
.hero { position: relative; padding: clamp(2.5rem, 1rem + 5vw, 5.5rem) 0 clamp(3rem, 2rem + 4vw, 6rem); }
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; align-items: center; gap: clamp(2rem, 1rem + 4vw, 4rem); }
.hero-copy .display { margin-bottom: var(--sp-5); }
.hero-copy .lead { max-width: 560px; margin-bottom: var(--sp-8); }
.hero-ctas { display: flex; gap: var(--sp-3); flex-wrap: wrap; }
.hero-points { display: flex; flex-wrap: wrap; gap: var(--sp-2) var(--sp-5); margin-top: var(--sp-8); padding: 0; list-style: none; font-size: var(--fs-small); color: var(--text-2); }
.hero-points li { display: inline-flex; align-items: center; gap: .45rem; }
.hero-points svg { width: 18px; height: 18px; color: var(--brand-teal); }

/* Hero search (real-estate style) */
.hero-search {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)) auto;
  gap: var(--sp-2);
  padding: var(--sp-2);
  border-radius: var(--r-lg);
  margin-bottom: var(--sp-4);
  max-width: 720px;
}
.hero-search .select { padding-left: .7rem; font-size: .9rem; }
.hero-search .select, .hero-search .input { border-color: transparent; background: var(--surface-muted); }

/* ---------- 3D scene ---------- */
.scene {
  position: relative;
  height: clamp(340px, 30vw + 160px, 520px);
  perspective: 1400px;
  perspective-origin: 50% 40%;
}
.scene-stage {
  position: absolute; inset: 0;
  transform-style: preserve-3d;
  transform: rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
  transition: transform .8s var(--ease-out);
}
.scene-glow {
  position: absolute; left: 50%; top: 55%;
  width: 70%; aspect-ratio: 1;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(var(--brand-primary-rgb), .35), rgba(var(--brand-secondary-rgb), .18) 45%, transparent 70%);
  filter: blur(30px);
}
.scene-floor {
  position: absolute; left: 50%; bottom: 6%;
  width: 70%; height: 22%;
  transform: translateX(-50%) rotateX(78deg);
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(var(--brand-primary-rgb), .3), transparent 70%);
}
.centerpiece {
  position: absolute; left: 50%; top: 50%;
  transform-style: preserve-3d;
  transform: translate(-50%, -50%);
}

/* Floating glass cards around the centerpiece */
.float-card {
  position: absolute;
  display: flex; align-items: center; gap: .7rem;
  padding: .75rem 1rem;
  border-radius: var(--r-md);
  font-size: var(--fs-small);
  white-space: nowrap;
  transform: translateZ(var(--z, 60px));
  animation: float-y 6s ease-in-out infinite;
  animation-delay: var(--delay, 0s);
}
.float-card strong { display: block; color: var(--text); font-size: 1rem; line-height: 1.2; font-variant-numeric: tabular-nums; }
.float-card span { color: var(--text-3); font-size: .75rem; }
.float-card .icon-3d { --size: 36px; }
.float-card.pos-1 { top: 8%; left: 0; }
.float-card.pos-2 { top: 20%; right: 0; --delay: -2s; --z: 90px; }
.float-card.pos-3 { bottom: 12%; left: 4%; --delay: -4s; --z: 110px; }
.float-card.pos-4 { bottom: 4%; right: 6%; --delay: -1s; --z: 70px; }
@keyframes float-y {
  0%, 100% { transform: translateZ(var(--z, 60px)) translateY(0); }
  50% { transform: translateZ(var(--z, 60px)) translateY(-10px); }
}

/* --- Generic 3D box primitive (front / right / top / left faces) --- */
.box3d { position: absolute; width: var(--w); height: var(--h); transform-style: preserve-3d; }
.box3d > i { position: absolute; display: block; border-radius: 3px; }
.box3d .f-front { inset: 0; transform: translateZ(calc(var(--d) / 2)); background: var(--c1); }
.box3d .f-back { inset: 0; transform: rotateY(180deg) translateZ(calc(var(--d) / 2)); background: var(--c2); }
.box3d .f-right { width: var(--d); height: var(--h); left: calc(50% - var(--d) / 2); transform: rotateY(90deg) translateZ(calc(var(--w) / 2)); background: var(--c2); }
.box3d .f-left { width: var(--d); height: var(--h); left: calc(50% - var(--d) / 2); transform: rotateY(-90deg) translateZ(calc(var(--w) / 2)); background: var(--c2); }
.box3d .f-top { width: var(--w); height: var(--d); top: calc(50% - var(--d) / 2); transform: rotateX(90deg) translateZ(calc(var(--h) / 2)); background: var(--c3); }

/* --- Centerpiece: panels (agency / master) --- */
.cp-panels { width: 340px; height: 260px; transform: translate(-50%, -50%) rotateX(14deg) rotateY(-22deg); }
.cp-panels .panel {
  position: absolute; inset: 0;
  border-radius: var(--r-lg);
  padding: 18px;
  background: var(--surface-strong);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-3);
}
.cp-panels .panel:nth-child(1) { transform: translateZ(-70px) translate(-40px, -36px); opacity: .55; }
.cp-panels .panel:nth-child(2) { transform: translateZ(-30px) translate(-18px, -16px); opacity: .8; }
.cp-panels .panel:nth-child(3) { transform: translateZ(10px); }
.cp-panels .bars { display: flex; align-items: flex-end; gap: 8px; height: 120px; margin-top: 14px; }
.cp-panels .bars i { flex: 1; border-radius: 6px 6px 2px 2px; background: var(--gradient-brand); transform-origin: bottom; animation: bar-rise 1.2s var(--ease-out) both; }
.cp-panels .bars i:nth-child(even) { background: linear-gradient(180deg, var(--brand-teal), var(--brand-primary)); }
.cp-panels .line { height: 10px; border-radius: 6px; background: var(--surface-muted); margin-top: 8px; }
.cp-panels .line.w60 { width: 60%; } .cp-panels .line.w40 { width: 40%; }
@keyframes bar-rise { from { transform: scaleY(.1); } }

/* --- Centerpiece: cube (commerce) --- */
.cp-cube { width: 170px; height: 170px; transform: translate(-50%, -50%) rotateX(-22deg) rotateY(-36deg); }
.cp-cube .spin { position: absolute; inset: 0; transform-style: preserve-3d; animation: cube-spin 24s linear infinite; }
.cp-cube .box3d { --w: 170px; --h: 170px; --d: 170px; }
.cp-cube .box3d > i {
  border-radius: 22px;
  border: 1px solid rgba(255,255,255,.35);
  display: grid; place-items: center;
  color: #fff;
  box-shadow: inset 0 0 40px rgba(255,255,255,.18);
}
.cp-cube .box3d > i svg { width: 64px; height: 64px; filter: drop-shadow(0 6px 10px rgba(0,0,0,.25)); }
.cp-cube { --c1: linear-gradient(135deg, rgba(var(--brand-primary-rgb), .92), rgba(var(--brand-secondary-rgb), .85));
           --c2: linear-gradient(135deg, rgba(var(--brand-secondary-rgb), .85), rgba(var(--brand-primary-rgb), .75));
           --c3: linear-gradient(135deg, rgba(var(--brand-accent-rgb), .9), rgba(var(--brand-primary-rgb), .8)); }
@keyframes cube-spin { to { transform: rotateY(360deg); } }

/* --- Centerpiece: stack (education) --- */
.cp-stack { width: 300px; height: 210px; transform: translate(-50%, -50%) rotateX(24deg) rotateZ(-8deg); }
.cp-stack .sheet {
  position: absolute; inset: 0;
  border-radius: var(--r-lg);
  padding: 18px;
  color: #fff;
  box-shadow: var(--shadow-3);
  border: 1px solid rgba(255,255,255,.25);
}
.cp-stack .sheet:nth-child(1) { transform: translateZ(-60px) translateY(40px); background: linear-gradient(135deg, var(--brand-accent), var(--brand-primary)); opacity: .7; }
.cp-stack .sheet:nth-child(2) { transform: translateZ(-20px) translateY(18px); background: linear-gradient(135deg, var(--brand-secondary), var(--brand-primary)); opacity: .85; }
.cp-stack .sheet:nth-child(3) { transform: translateZ(24px); background: var(--surface-strong); color: var(--text); }
.cp-stack .ring { width: 74px; height: 74px; border-radius: 50%; display: grid; place-items: center; font-weight: 800; font-size: .95rem;
  background: conic-gradient(var(--brand-primary) 0 var(--p, 72%), var(--surface-muted) 0); position: relative; }
.cp-stack .ring::before { content: ""; position: absolute; inset: 8px; border-radius: 50%; background: var(--surface-strong); }
.cp-stack .ring span { position: relative; }

/* --- Centerpiece: buildings (real estate) --- */
.cp-city { width: 300px; height: 260px; transform: translate(-50%, -42%) rotateX(-18deg) rotateY(-38deg); }
.cp-city .box3d { bottom: 0; transform-origin: bottom; animation: rise-up 1.4s var(--ease-out) both; }
.cp-city .box3d > i { border: 1px solid rgba(255,255,255,.2); }
.cp-city .box3d .f-front, .cp-city .box3d .f-right {
  background-image: repeating-linear-gradient(0deg, transparent 0 14px, rgba(255,255,255,.28) 14px 22px), var(--c1);
}
.cp-city .box3d .f-right { background-image: repeating-linear-gradient(0deg, transparent 0 14px, rgba(255,255,255,.18) 14px 22px), var(--c2); }
/* No opacity here: opacity < 1 flattens preserve-3d children */
@keyframes rise-up { from { transform: scaleY(.05); } }

/* --- Centerpiece: pulse (healthcare) --- */
.cp-pulse { width: 320px; height: 220px; transform: translate(-50%, -50%) rotateX(16deg) rotateY(-18deg); }
.cp-pulse .plate {
  position: absolute; inset: 0;
  border-radius: var(--r-xl);
  background: var(--surface-strong);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-3);
  padding: 22px;
}
.cp-pulse svg.ecg { width: 100%; height: 110px; margin-top: 10px; overflow: visible; }
.cp-pulse svg.ecg path { fill: none; stroke: url(#ecgGrad); stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 600; animation: ecg-draw 3.2s linear infinite; }
.cp-pulse .cross {
  position: absolute; right: -26px; top: -30px;
  transform: translateZ(70px);
}
.cp-pulse .cross .icon-3d { --size: 84px; --h: 340; }
@keyframes ecg-draw { from { stroke-dashoffset: 600; } to { stroke-dashoffset: 0; } }

/* --- Centerpiece: growth (professional services) --- */
.cp-growth { width: 320px; height: 240px; transform: translate(-50%, -40%) rotateX(-20deg) rotateY(-32deg); }
.cp-growth .box3d { bottom: 0; transform-origin: bottom; animation: rise-up 1.3s var(--ease-out) both; }
.cp-growth .base { position: absolute; left: -20px; right: -20px; bottom: -8px; height: 60px; transform: rotateX(90deg) translateZ(-30px); border-radius: var(--r-md); background: rgba(var(--brand-primary-rgb), .12); border: 1px solid rgba(var(--brand-primary-rgb), .25); }

/* ---------- Item cards (catalog) ---------- */
.item-card { display: flex; flex-direction: column; border-radius: var(--r-lg); overflow: hidden; padding: 0; height: 100%; }
.item-card .item-media { position: relative; border-radius: var(--r-lg) var(--r-lg) 0 0; overflow: hidden; }
.item-card .item-media .badge { position: absolute; top: 12px; left: 12px; z-index: 1; background: rgba(255,255,255,.9); color: #0B1324; }
.item-card .item-body { display: flex; flex-direction: column; gap: .4rem; padding: var(--sp-5); flex: 1; }
.item-card h3 { font-size: 1.05rem; margin: 0; }
.item-card h3 a { color: var(--text); }
.item-card .item-meta { display: flex; flex-wrap: wrap; gap: .3rem .9rem; font-size: var(--fs-caption); color: var(--text-3); }
.item-card .item-meta span { display: inline-flex; align-items: center; gap: .3rem; }
.item-card .item-meta svg { width: 14px; height: 14px; }
.item-card .item-foot { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-3); margin-top: auto; padding-top: var(--sp-3); }
.price { font-size: 1.2rem; font-weight: var(--fw-black); letter-spacing: -.02em; color: var(--text); font-variant-numeric: tabular-nums; }
.price small { font-size: .75rem; font-weight: var(--fw-medium); color: var(--text-3); }

.person-card { text-align: center; align-items: center; padding: var(--sp-6); }
.person-card .avatar { margin-bottom: var(--sp-3); }

/* ---------- Feature showcase (interactive) ---------- */
.feature-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: var(--sp-8); align-items: stretch; }
.feature-list { display: grid; gap: var(--sp-3); }
.feature-btn {
  display: flex; gap: var(--sp-4); align-items: flex-start;
  width: 100%;
  padding: var(--sp-4) var(--sp-5);
  border-radius: var(--r-lg);
  border: 1px solid transparent;
  background: transparent;
  text-align: left;
  transition: background var(--dur), border-color var(--dur), box-shadow var(--dur), transform var(--dur);
}
.feature-btn h3 { font-size: 1rem; margin: 0 0 .2rem; }
.feature-btn p { margin: 0; font-size: var(--fs-small); }
.feature-btn:hover { background: var(--surface-muted); }
.feature-btn[aria-selected="true"] { background: var(--surface); border-color: var(--border); box-shadow: var(--shadow-2); transform: translateX(6px); }
.feature-panel { border-radius: var(--r-xl); padding: var(--sp-8); display: flex; flex-direction: column; gap: var(--sp-4); }
.feature-panel ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .7rem; }
.feature-panel li { display: flex; gap: .6rem; align-items: flex-start; color: var(--text-2); }
.feature-panel li svg { width: 20px; height: 20px; color: var(--brand-teal); flex: none; margin-top: 2px; }

/* ---------- Process ---------- */
.process { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--sp-5); counter-reset: step; position: relative; }
.process::before {
  content: ""; position: absolute; left: 6%; right: 6%; top: 46px; height: 2px;
  background: linear-gradient(90deg, transparent, rgba(var(--brand-primary-rgb), .45), rgba(var(--brand-secondary-rgb), .45), transparent);
}
.process-step { position: relative; text-align: center; padding: var(--sp-6) var(--sp-4); }
.process-step .icon-3d { margin: 0 auto var(--sp-4); }
.process-step .step-no { display: block; font-size: var(--fs-caption); font-weight: var(--fw-bold); color: var(--brand-primary); letter-spacing: .08em; margin-bottom: .3rem; }
.process-step h3 { font-size: 1.05rem; }
.process-step p { font-size: var(--fs-small); margin: 0; }

/* ---------- Stats band ---------- */
.stats-band { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--sp-4); border-radius: var(--r-xl); padding: var(--sp-8); }
.stats-band .stat { text-align: center; }
.stats-band .stat strong { display: block; font-size: clamp(1.8rem, 1.3rem + 1.5vw, 2.6rem); font-weight: var(--fw-black); letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.stats-band .stat span { font-size: var(--fs-small); color: var(--text-3); }

/* ---------- Dashboard preview (public site) ---------- */
.dash-preview { border-radius: var(--r-xl); padding: var(--sp-4); transform: perspective(1600px) rotateX(10deg); transform-origin: top center; transition: transform var(--dur-slow) var(--ease-out); }
.dash-preview:hover { transform: perspective(1600px) rotateX(2deg); }
.dash-preview .dp-top { display: flex; gap: 6px; padding: 4px 6px 12px; }
.dash-preview .dp-top i { width: 10px; height: 10px; border-radius: 50%; background: var(--border-strong); }
.dash-preview .dp-body { display: grid; grid-template-columns: 170px 1fr; gap: var(--sp-4); }
.dash-preview .dp-side { display: grid; align-content: start; gap: 6px; }
.dash-preview .dp-side span { padding: .45rem .7rem; border-radius: var(--r-sm); font-size: var(--fs-caption); color: var(--text-2); display: flex; gap: .5rem; align-items: center; }
.dash-preview .dp-side span svg { width: 14px; height: 14px; }
.dash-preview .dp-side span:first-child { background: rgba(var(--brand-primary-rgb), .12); color: var(--brand-primary); font-weight: 600; }
.dash-preview .dp-main { display: grid; gap: var(--sp-3); min-width: 0; }
.dash-preview .dp-kpis { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--sp-3); }
.dash-preview .stat-card { padding: var(--sp-3); }
.dash-preview .stat-card .stat-value { font-size: 1.15rem; }
.dash-preview .stat-card .icon-3d { display: none; }
.dash-preview .stat-card .stat-label { font-size: .75rem; }

/* ---------- Switcher cards ---------- */
.switcher-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--sp-3); }
.switch-card {
  display: flex; flex-direction: column; align-items: flex-start; gap: .5rem;
  padding: var(--sp-4);
  border-radius: var(--r-lg);
  border: 1px solid var(--border);
  background: var(--bg-elev);
  text-align: left;
  transition: transform var(--dur) var(--ease-out), box-shadow var(--dur), border-color var(--dur);
}
.switch-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-2); border-color: rgba(var(--brand-primary-rgb), .4); }
.switch-card[aria-pressed="true"] { border-color: var(--brand-primary); box-shadow: 0 0 0 3px rgba(var(--brand-primary-rgb), .2); }
.switch-card strong { font-size: .98rem; color: var(--text); }
.switch-card span { font-size: var(--fs-caption); color: var(--text-3); line-height: 1.45; }

/* ---------- CTA band ---------- */
.cta-band {
  position: relative; overflow: hidden;
  border-radius: var(--r-xl);
  padding: clamp(2rem, 1rem + 4vw, 4rem);
  color: #fff;
  background: var(--gradient-brand);
  box-shadow: var(--shadow-3);
  display: grid; grid-template-columns: 1.4fr auto; align-items: center; gap: var(--sp-6);
}
.cta-band::before {
  content: ""; position: absolute; width: 420px; height: 420px; right: -120px; top: -180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,.35), transparent 65%);
}
.cta-band h2, .cta-band p { color: #fff; position: relative; }
.cta-band p { opacity: .92; margin: 0; }
.cta-band .hero-ctas { position: relative; }
.cta-band .btn-secondary { --btn-bg: rgba(255,255,255,.14); --btn-fg: #fff; --btn-border: rgba(255,255,255,.35); }
.cta-band .btn-light { --btn-bg: #fff; --btn-fg: #0B1324; --btn-border: transparent; }

/* ---------- Testimonial ---------- */
.quote-card { display: flex; flex-direction: column; gap: var(--sp-4); }
.quote-card blockquote { margin: 0; font-size: 1.02rem; color: var(--text); line-height: 1.6; }
.quote-card footer { display: flex; align-items: center; gap: var(--sp-3); margin-top: auto; font-size: var(--fs-small); }
.quote-card footer small { display: block; color: var(--text-3); }

/* ---------- Paused animations when off-screen (perf) ---------- */
.is-paused, .is-paused * { animation-play-state: paused !important; }

/* ---------- Flat mode (3D effects disabled in Settings) ---------- */
:root[data-effects="flat"] .card-3d,
:root[data-effects="flat"] .icon-3d,
:root[data-effects="flat"] .dash-preview { transform: none !important; }
:root[data-effects="flat"] .scene-stage { transform: none !important; }
:root[data-effects="flat"] .float-card { animation: none; }
:root[data-effects="flat"] .cp-cube .spin { animation: none; }

@media (prefers-reduced-motion: reduce) {
  .card-3d, .scene-stage { transform: none !important; }
  .float-card, .cp-cube .spin, .cp-pulse svg.ecg path { animation: none !important; }
}
:root[data-motion="reduced"] .card-3d,
:root[data-motion="reduced"] .scene-stage { transform: none !important; }