/* ═══════════════════════════════════════════════════════════
   AppRotina — Estilos específicos da página de case
   Nota: estilos compartilhados (breadcrumb, tech-badges, feat-card,
   edge-item, tech-card, cta-wrap, reveal, hero-scroll) estão em:
   ../../assets/css/projects-shared.css
═══════════════════════════════════════════════════════════ */

/* ═══════════════════════════════════════════════════════════
   AppRotina — Case Study Page
   Reaproveita variáveis do styles.css principal
═══════════════════════════════════════════════════════════ */

/* ─── Splash não usado aqui — site sempre visível ─── */
#site { opacity: 1; }

/* ═══════════════════════════════════════════════
   HERO (case)
═══════════════════════════════════════════════ */
.case-hero {
  position: relative;
  min-height: 100vh;
  padding: calc(var(--nav-h) + clamp(40px, 6vw, 80px)) var(--pad-x) clamp(60px, 8vw, 110px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  isolation: isolate;
}

.case-hero-bg {
  position: absolute; inset: 0; z-index: -2;
  background:
    radial-gradient(ellipse 70% 50% at 30% 20%, rgba(0,229,255,.08), transparent 60%),
    radial-gradient(ellipse 70% 50% at 80% 80%, rgba(139,92,246,.10), transparent 60%),
    var(--bg);
}

.case-blob {
  position: absolute; z-index: -1;
  filter: blur(90px); opacity: .55;
  border-radius: 50%;
  pointer-events: none;
  animation: caseFloat 14s ease-in-out infinite;
}
.case-blob.b1 { width: 380px; height: 380px; top: -80px; left: -120px;
  background: radial-gradient(circle, var(--cyan), transparent 60%); }
.case-blob.b2 { width: 460px; height: 460px; bottom: -120px; right: -140px;
  background: radial-gradient(circle, var(--purple), transparent 60%); animation-delay: -4s; }
.case-blob.b3 { width: 320px; height: 320px; top: 40%; right: 10%;
  background: radial-gradient(circle, var(--blue), transparent 60%); animation-delay: -8s; opacity: .35; }

@keyframes caseFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%      { transform: translate(20px, -30px) scale(1.06); }
}

.case-hero-inner {
  position: relative; z-index: 2;
  max-width: var(--max-w);
  margin: 0 auto;
  width: 100%;
}

/* breadcrumb */
.case-breadcrumb {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: .76rem;
  color: var(--muted-2); letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: clamp(28px, 4vw, 44px);
  opacity: 0; transform: translateY(10px);
  animation: heroFade .8s var(--ease) .15s forwards;
}
.case-breadcrumb a { color: var(--muted); transition: color var(--t); }
.case-breadcrumb a:hover { color: var(--cyan); }
.case-breadcrumb span { color: var(--muted-2); }
.case-breadcrumb > span:last-child { color: var(--text); }

.case-hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
}

.case-hero-text { max-width: 640px; }

.case-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 14px;
  border-radius: 999px;
  background: rgba(0,229,255,.06);
  border: 1px solid rgba(0,229,255,.22);
  font-family: var(--mono);
  font-size: .76rem; font-weight: 600;
  color: var(--cyan);
  letter-spacing: .12em; text-transform: uppercase;
  margin-bottom: 24px;
  opacity: 0; transform: translateY(10px);
  animation: heroFade .8s var(--ease) .25s forwards;
}
.case-badge .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50%     { opacity: .55; transform: scale(.85); }
}

.case-title {
  font-family: var(--head);
  font-size: clamp(2.6rem, 7vw, 5.4rem);
  font-weight: 900;
  line-height: 1; letter-spacing: -.035em;
  margin-bottom: 18px;
}
.case-title em {
  font-style: normal;
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.case-title .reveal-line {
  display: inline-block; overflow: hidden;
  opacity: 0; transform: translateY(40px);
  animation: heroRise 1s var(--ease) .35s forwards;
}

.case-tagline {
  display: block;
  font-family: var(--head);
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  font-weight: 500;
  color: var(--text-soft);
  line-height: 1.4;
  margin-bottom: 18px;
  opacity: 0; transform: translateY(20px);
  animation: heroRise 1s var(--ease) .55s forwards;
}

.case-description {
  font-size: clamp(.95rem, 1.2vw, 1.05rem);
  color: var(--muted);
  line-height: 1.75;
  margin-bottom: 28px;
  max-width: 540px;
  opacity: 0; transform: translateY(20px);
  animation: heroRise 1s var(--ease) .75s forwards;
}

@keyframes heroFade { to { opacity: 1; transform: translateY(0); } }
@keyframes heroRise { to { opacity: 1; transform: translateY(0); } }

.tech-badges {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-bottom: 32px;
  opacity: 0; transform: translateY(20px);
  animation: heroRise 1s var(--ease) .9s forwards;
}
.tech-chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 14px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  font-size: .8rem; font-weight: 500;
  color: var(--text-soft);
  transition: all var(--t);
}
.tech-chip:hover {
  border-color: rgba(0,229,255,.3);
  transform: translateY(-2px);
  background: var(--surface-2);
}
.tech-chip .dot {
  width: 8px; height: 8px; border-radius: 50%;
  box-shadow: 0 0 8px currentColor;
}

.case-hero-btns {
  display: flex; flex-wrap: wrap; gap: 12px;
  opacity: 0; transform: translateY(20px);
  animation: heroRise 1s var(--ease) 1.05s forwards;
}
.btn-outline.ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--muted);
}
.btn-outline.ghost:hover {
  border-color: var(--purple);
  color: var(--purple);
  background: rgba(139,92,246,.06);
}

/* ═══════════════════════════════════════════════
   PHONE MOCKUP
═══════════════════════════════════════════════ */
.case-hero-phone {
  position: relative;
  display: grid;
  place-items: center;
  perspective: 1200px;
  opacity: 0; transform: translateY(40px);
  animation: heroRise 1.2s var(--ease) .6s forwards;
}

.phone-glow {
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 50% 50%, rgba(0,229,255,.25), transparent 55%),
    radial-gradient(circle at 70% 30%, rgba(139,92,246,.18), transparent 60%);
  filter: blur(60px);
  z-index: 0;
  animation: caseFloat 10s ease-in-out infinite;
}

.phone-frame {
  position: relative;
  width: 280px; height: 580px;
  border-radius: 44px;
  background: linear-gradient(155deg, #1a1d2a, #0a0c14);
  padding: 12px;
  box-shadow:
    0 0 0 2px rgba(255,255,255,.04),
    0 30px 80px rgba(0,0,0,.6),
    0 0 80px rgba(0,229,255,.12),
    inset 0 0 0 1px rgba(255,255,255,.06);
  z-index: 2;
}

.phone-frame.floating { animation: phoneFloat 6s ease-in-out infinite; }
@keyframes phoneFloat {
  0%, 100% { transform: translateY(0) rotateZ(0); }
  50%      { transform: translateY(-12px) rotateZ(-.5deg); }
}

.phone-notch {
  position: absolute; top: 14px; left: 50%;
  transform: translateX(-50%);
  width: 100px; height: 22px;
  background: #000; border-radius: 0 0 14px 14px;
  z-index: 3;
}

.phone-screen {
  width: 100%; height: 100%;
  border-radius: 32px;
  background:
    radial-gradient(ellipse at top, rgba(0,229,255,.08), transparent 50%),
    linear-gradient(180deg, #0e1119, #07090f);
  overflow: hidden;
  display: flex; flex-direction: column;
  padding: 40px 18px 14px;
  position: relative;
  color: #e7eaf3;
}
.phone-screen.ps-img {
  padding: 0;
  background: #0a0c14;
}
.sc-screenshot {
  width: 100%; height: 100%;
  object-fit: contain;
  object-position: top center;
  display: block;
  border-radius: 32px;
}

body.light .phone-screen {
  background:
    radial-gradient(ellipse at top, rgba(2,132,199,.08), transparent 50%),
    linear-gradient(180deg, #f5f7fb, #ffffff);
  color: #0a0e1a;
}

/* HERO PHONE STATUS BAR */
.ph-status {
  display: flex; justify-content: space-between;
  font-size: .65rem; font-family: var(--mono);
  color: var(--muted);
  margin-bottom: 14px;
  letter-spacing: .04em;
}
.ph-dots { letter-spacing: .04em; }

.ph-greet { margin-bottom: 16px; }
.ph-hello {
  display: block;
  font-family: var(--head);
  font-size: 1.15rem; font-weight: 800;
  letter-spacing: -.01em;
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.ph-sub {
  display: block;
  font-size: .72rem;
  color: var(--muted);
  margin-top: 2px;
}

.ph-streak {
  display: flex; align-items: center; gap: 12px;
  padding: 12px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(0,229,255,.10), rgba(139,92,246,.08));
  border: 1px solid rgba(0,229,255,.18);
  margin-bottom: 16px;
}
.ph-streak-fire {
  width: 38px; height: 38px;
  border-radius: 12px;
  background: linear-gradient(135deg, #f59e0b, #ef4444);
  display: grid; place-items: center;
  color: #fff;
  box-shadow: 0 6px 18px rgba(239,68,68,.4);
}
.ph-streak-fire svg { width: 20px; height: 20px; }
.ph-streak strong {
  display: block;
  font-family: var(--head);
  font-size: 1rem; font-weight: 800;
  color: var(--text);
}
.ph-streak span {
  display: block;
  font-size: .65rem;
  color: var(--muted);
}

.ph-habits { display: flex; flex-direction: column; gap: 8px; flex: 1; }
.ph-habit {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.06);
  transition: all var(--t);
}
body.light .ph-habit { background: rgba(0,0,0,.025); border-color: rgba(0,0,0,.05); }
.ph-habit.done { background: rgba(0,229,255,.06); border-color: rgba(0,229,255,.18); }
.ph-check {
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--cyan);
  position: relative;
  flex-shrink: 0;
  box-shadow: 0 0 10px rgba(0,229,255,.5);
}
.ph-check::after {
  content: ''; position: absolute;
  left: 5px; top: 8px;
  width: 4px; height: 8px;
  border-right: 2px solid #000;
  border-bottom: 2px solid #000;
  transform: rotate(45deg);
}
.ph-check.empty {
  background: transparent;
  border: 1.5px solid var(--muted-2);
  box-shadow: none;
}
.ph-check.empty::after { display: none; }
.ph-name {
  flex: 1;
  font-size: .78rem; font-weight: 500;
}
.ph-mini {
  font-family: var(--mono);
  font-size: .65rem;
  color: var(--muted);
  padding: 2px 7px;
  border-radius: 6px;
  background: rgba(255,255,255,.04);
}

.ph-nav {
  display: flex; justify-content: center; gap: 10px;
  padding-top: 10px;
  margin-top: auto;
  border-top: 1px solid rgba(255,255,255,.05);
}
.ph-nav-i {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--muted-2);
}
.ph-nav-i.active {
  width: 18px;
  border-radius: 3px;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
}

.hero-scroll {
  position: absolute; left: 50%; bottom: 24px;
  transform: translateX(-50%);
  font-size: .7rem; font-family: var(--mono);
  color: var(--muted-2);
  letter-spacing: .2em; text-transform: uppercase;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  opacity: 0; animation: heroFade 1s var(--ease) 1.4s forwards;
}

/* ═══════════════════════════════════════════════
   SHOWCASE / CARROSSEL
═══════════════════════════════════════════════ */
.showcase {
  background: var(--bg-1);
  position: relative;
  overflow: hidden;
}

.showcase-stage {
  position: relative;
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 56px 1fr 56px;
  align-items: center;
  gap: 16px;
}

.sc-arrow {
  width: 48px; height: 48px;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  display: grid; place-items: center;
  color: var(--text);
  transition: all var(--t);
  z-index: 5;
}
.sc-arrow:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(0,229,255,.08);
  transform: scale(1.08);
}
.sc-arrow svg { width: 18px; height: 18px; }

.sc-track {
  position: relative;
  height: 640px;
  display: grid;
  place-items: center;
  perspective: 1400px;
}

.sc-slide {
  position: absolute;
  top: 50%; left: 50%;
  transform-origin: center;
  transition: transform .8s var(--ease), opacity .6s var(--ease), filter .6s var(--ease);
  will-change: transform, opacity;
}

/* Estados: active no centro, lados visíveis com escala/rotação */
.sc-slide                    { opacity: 0; transform: translate(-50%, -50%) scale(.7); pointer-events: none; }
.sc-slide.active             { opacity: 1; transform: translate(-50%, -50%) scale(1) rotateY(0); z-index: 4; }
.sc-slide.prev               { opacity: .4; transform: translate(calc(-50% - 240px), -50%) scale(.78) rotateY(20deg); filter: blur(2px); z-index: 2; }
.sc-slide.next               { opacity: .4; transform: translate(calc(-50% + 240px), -50%) scale(.78) rotateY(-20deg); filter: blur(2px); z-index: 2; }
.sc-slide.prev .phone-frame,
.sc-slide.next .phone-frame  { box-shadow: 0 30px 80px rgba(0,0,0,.5); }

/* Conteúdo das telas do showcase */
.ps-head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 14px;
  font-size: .72rem;
}
.ps-h-title {
  font-family: var(--head);
  font-size: 1.05rem; font-weight: 800;
  color: var(--text);
  letter-spacing: -.01em;
}
.ps-h-date { color: var(--muted); font-family: var(--mono); }

/* Tela 1 — Dashboard */
.ps-cards-row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 14px; }
.ps-mini-card {
  padding: 12px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(0,229,255,.10), rgba(99,102,241,.06));
  border: 1px solid rgba(0,229,255,.18);
}
.ps-mini-card.alt {
  background: linear-gradient(135deg, rgba(139,92,246,.10), rgba(236,72,153,.06));
  border-color: rgba(139,92,246,.20);
}
.ps-num {
  display: block;
  font-family: var(--head);
  font-size: 1.4rem; font-weight: 800;
  color: var(--text);
  line-height: 1;
}
.ps-lbl {
  display: block;
  font-size: .65rem;
  color: var(--muted);
  margin-top: 4px;
  letter-spacing: .04em;
}
.ps-list { display: flex; flex-direction: column; gap: 8px; }
.ps-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.06);
  font-size: .78rem;
}
body.light .ps-item { background: rgba(0,0,0,.025); border-color: rgba(0,0,0,.05); }
.ps-item.done { background: rgba(0,229,255,.06); border-color: rgba(0,229,255,.20); }
.ps-item i {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--muted-2);
}
.ps-item.done i { background: var(--cyan); box-shadow: 0 0 8px var(--cyan); }
.ps-item span { flex: 1; }
.ps-item b {
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--cyan); color: #000;
  display: grid; place-items: center;
  font-size: .65rem; font-weight: 800;
}
.ps-item:not(.done) b {
  background: transparent; border: 1.5px solid var(--muted-2);
  color: transparent;
}

/* Tela 2 — Estatísticas */
.ps-bigstat { text-align: center; padding: 22px 0 18px; }
.ps-bn {
  display: block;
  font-family: var(--head);
  font-size: 3rem; font-weight: 900;
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}
.ps-bl {
  display: block;
  font-size: .72rem; color: var(--muted);
  margin-top: 6px; letter-spacing: .08em; text-transform: uppercase;
}
.ps-bars {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
  align-items: end;
  height: 140px;
  padding: 0 4px;
}
.ps-bars span {
  display: block;
  height: var(--h);
  background: linear-gradient(180deg, var(--cyan), var(--purple));
  border-radius: 6px 6px 2px 2px;
  box-shadow: 0 0 12px rgba(0,229,255,.3);
  animation: barRise 1s var(--ease) backwards;
}
.ps-bars span:nth-child(1) { animation-delay: .1s; }
.ps-bars span:nth-child(2) { animation-delay: .2s; }
.ps-bars span:nth-child(3) { animation-delay: .3s; }
.ps-bars span:nth-child(4) { animation-delay: .4s; }
.ps-bars span:nth-child(5) { animation-delay: .5s; }
.ps-bars span:nth-child(6) { animation-delay: .6s; }
.ps-bars span:nth-child(7) { animation-delay: .7s; }
@keyframes barRise { from { height: 0; opacity: 0; } }

.ps-legend {
  display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px;
  margin-top: 8px;
  font-family: var(--mono);
  font-size: .65rem; color: var(--muted-2);
  text-align: center;
}

/* Tela 3 — Novo Hábito */
.ps-input {
  padding: 12px 14px;
  border-radius: 12px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.10);
  font-size: .78rem; color: var(--muted);
  margin-bottom: 14px;
}
body.light .ps-input { background: rgba(0,0,0,.03); border-color: rgba(0,0,0,.08); }

.ps-icons, .ps-colors {
  display: flex; gap: 8px; flex-wrap: wrap;
  margin-bottom: 14px;
}
.ps-ic {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  position: relative;
}
body.light .ps-ic { background: rgba(0,0,0,.03); border-color: rgba(0,0,0,.07); }
.ps-ic::before, .ps-ic::after {
  content: ''; position: absolute;
  background: var(--muted);
  border-radius: 2px;
}
.ps-ic::before { top: 9px; left: 9px; right: 9px; height: 4px; }
.ps-ic::after  { top: 17px; left: 9px; right: 9px; height: 4px; opacity: .5; }
.ps-ic.active {
  background: linear-gradient(135deg, rgba(0,229,255,.2), rgba(139,92,246,.15));
  border-color: var(--cyan);
  box-shadow: 0 0 12px rgba(0,229,255,.3);
}
.ps-ic.active::before, .ps-ic.active::after { background: var(--cyan); opacity: 1; }

.ps-colors span {
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--t);
}
.ps-colors span.active {
  border-color: #fff;
  transform: scale(1.1);
  box-shadow: 0 0 12px currentColor;
}

.ps-btn {
  margin-top: auto;
  padding: 14px;
  border-radius: 12px;
  background: var(--grad-brand);
  color: #fff;
  text-align: center;
  font-weight: 700;
  font-size: .85rem;
  box-shadow: 0 8px 20px rgba(0,180,220,.4);
}

/* Tela 4 — Histórico */
.ps-cal {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
  padding: 16px 0;
}
.ps-cal .d {
  aspect-ratio: 1;
  border-radius: 6px;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.06);
}
body.light .ps-cal .d { background: rgba(0,0,0,.04); border-color: rgba(0,0,0,.06); }
.ps-cal .d.on {
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  border-color: rgba(0,229,255,.4);
  box-shadow: 0 0 8px rgba(0,229,255,.4);
}
.ps-foot {
  display: flex; justify-content: space-around;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid rgba(255,255,255,.05);
  font-size: .72rem; color: var(--muted);
}
.ps-foot b {
  display: block;
  font-family: var(--head);
  font-size: 1.2rem; font-weight: 800;
  color: var(--text);
}

/* Dots */
.sc-dots {
  display: flex; justify-content: center; gap: 10px;
  margin-top: 32px;
}
.sc-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--border-strong);
  transition: all var(--t);
  cursor: pointer;
}
.sc-dot:hover { background: var(--muted); }
.sc-dot.active {
  width: 28px;
  border-radius: 4px;
  background: var(--grad-brand);
  box-shadow: 0 0 12px rgba(0,229,255,.5);
}

.sc-hint {
  text-align: center;
  margin-top: 18px;
  font-size: .8rem;
  font-family: var(--mono);
  color: var(--muted-2);
}

/* ═══════════════════════════════════════════════
   ABOUT (case)
═══════════════════════════════════════════════ */
.case-about {
  background: var(--bg);
  position: relative;
}

.case-about-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
  max-width: var(--max-w);
  margin: 0 auto;
}

.case-about p {
  color: var(--muted);
  font-size: clamp(.95rem, 1.2vw, 1.05rem);
  line-height: 1.8;
  margin-bottom: 14px;
}

.case-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 28px;
}
.meta-item {
  padding: 14px 16px;
  border-radius: 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  transition: all var(--t);
}
.meta-item:hover {
  border-color: rgba(0,229,255,.25);
  background: var(--surface-2);
  transform: translateY(-2px);
}
.m-k {
  display: block;
  font-family: var(--mono);
  font-size: .68rem; color: var(--cyan);
  letter-spacing: .14em; text-transform: uppercase;
  margin-bottom: 4px;
}
.m-v {
  display: block;
  font-family: var(--head);
  font-weight: 600; font-size: .92rem;
  color: var(--text);
}
.m-v .live {
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 8px #10b981;
  margin-right: 6px;
  vertical-align: middle;
  animation: pulse 1.6s ease-in-out infinite;
}

.case-quote-card {
  position: relative;
  padding: clamp(28px, 4vw, 44px);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(ellipse at 0% 0%, rgba(0,229,255,.10), transparent 50%),
    radial-gradient(ellipse at 100% 100%, rgba(139,92,246,.08), transparent 50%),
    var(--bg-2);
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.case-quote-card::before {
  content: ''; position: absolute; inset: 0;
  background:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 28px 28px;
  -webkit-mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black, transparent);
  mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black, transparent);
  pointer-events: none;
}
.quote-mark {
  width: 38px; height: 38px;
  color: var(--cyan);
  opacity: .35;
  margin-bottom: 18px;
}
.case-quote-card blockquote {
  font-family: var(--head);
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  font-weight: 500;
  color: var(--text);
  line-height: 1.5;
  margin-bottom: 22px;
  position: relative;
  z-index: 1;
}
.quote-author {
  display: flex; align-items: center; gap: 12px;
  position: relative; z-index: 1;
}
.qa-avatar {
  width: 42px; height: 42px;
  border-radius: 50%;
  background: var(--grad-brand);
  display: grid; place-items: center;
  font-family: var(--head); font-weight: 800;
  color: #fff;
  box-shadow: 0 6px 20px rgba(0,180,220,.35);
}
.quote-author strong {
  display: block;
  font-family: var(--head);
  font-weight: 700; color: var(--text);
}
.quote-author span {
  display: block;
  font-size: .78rem; color: var(--muted);
}

/* ═══════════════════════════════════════════════
   FEATURES
═══════════════════════════════════════════════ */
.features { background: var(--bg-1); }

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 18px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.feat-card {
  position: relative;
  padding: 28px 24px;
  border-radius: var(--radius-lg);
  background: var(--bg-2);
  border: 1px solid var(--border);
  transition: all var(--t);
  overflow: hidden;
  isolation: isolate;
}
.feat-card::before {
  content: ''; position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(0,229,255,.5), rgba(139,92,246,.4));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--t);
  pointer-events: none;
}
.feat-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(0,229,255,.10), transparent 60%);
  opacity: 0;
  transition: opacity var(--t);
  pointer-events: none;
  z-index: -1;
}
.feat-card:hover {
  transform: translateY(-6px);
  border-color: transparent;
  box-shadow: 0 20px 40px rgba(0,0,0,.4), 0 0 30px rgba(0,229,255,.08);
}
.feat-card:hover::before { opacity: 1; }
.feat-card:hover::after  { opacity: 1; }

.feat-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(0,229,255,.10), rgba(139,92,246,.06));
  border: 1px solid rgba(0,229,255,.18);
  color: var(--cyan);
  margin-bottom: 18px;
  transition: all var(--t);
}
.feat-card:hover .feat-icon {
  transform: rotate(-6deg) scale(1.08);
  box-shadow: 0 0 20px rgba(0,229,255,.3);
}
.feat-icon svg { width: 24px; height: 24px; }

.feat-card h3 {
  font-family: var(--head);
  font-size: 1.08rem; font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -.01em;
  color: var(--text);
}
.feat-card p {
  color: var(--muted);
  font-size: .9rem;
  line-height: 1.65;
}

/* ═══════════════════════════════════════════════
   TECH STACK
═══════════════════════════════════════════════ */
.tech-section { background: var(--bg); }

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.tech-card {
  position: relative;
  padding: 24px;
  border-radius: var(--radius);
  background: var(--bg-2);
  border: 1px solid var(--border);
  transition: all var(--t);
  text-align: left;
  overflow: hidden;
  --accent: var(--cyan);
}
.tech-card::before {
  content: ''; position: absolute;
  top: 0; left: 0; right: 0; height: 2px;
  background: var(--accent);
  opacity: 0;
  transition: opacity var(--t);
  box-shadow: 0 0 20px var(--accent);
}
.tech-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255,255,255,.16);
  background: var(--bg-3);
}
.tech-card:hover::before { opacity: 1; }

.tc-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  display: grid; place-items: center;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border);
  color: var(--accent);
  margin-bottom: 14px;
  transition: all var(--t);
}
.tech-card:hover .tc-icon {
  background: rgba(255,255,255,.06);
  box-shadow: 0 0 18px color-mix(in srgb, var(--accent) 30%, transparent);
}
.tc-icon svg { width: 22px; height: 22px; }

.tech-card h4 {
  font-family: var(--head);
  font-size: 1rem; font-weight: 700;
  margin-bottom: 6px;
  color: var(--text);
}
.tech-card p {
  color: var(--muted);
  font-size: .85rem;
  line-height: 1.6;
}

/* ═══════════════════════════════════════════════
   CHALLENGES
═══════════════════════════════════════════════ */
.challenges { background: var(--bg-1); }

.ch-list {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.ch-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 24px;
  padding: 28px;
  border-radius: var(--radius-lg);
  background: var(--bg-2);
  border: 1px solid var(--border);
  transition: all var(--t);
  position: relative;
  overflow: hidden;
}
.ch-item::before {
  content: ''; position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--grad-brand);
  opacity: 0;
  transition: opacity var(--t);
}
.ch-item:hover {
  transform: translateX(4px);
  border-color: rgba(0,229,255,.20);
  background: var(--bg-3);
  box-shadow: 0 14px 30px rgba(0,0,0,.3);
}
.ch-item:hover::before { opacity: 1; }

.ch-num {
  font-family: var(--head);
  font-size: 2.4rem; font-weight: 900;
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  letter-spacing: -.04em;
}

.ch-body h3 {
  font-family: var(--head);
  font-size: 1.18rem; font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
  letter-spacing: -.01em;
}
.ch-body p {
  color: var(--muted);
  font-size: .94rem;
  line-height: 1.75;
}
.ch-body p b { color: var(--text); font-weight: 600; }
.ch-body p i {
  font-style: normal;
  font-family: var(--mono);
  font-size: .88em;
  color: var(--cyan);
  background: rgba(0,229,255,.08);
  padding: 1px 6px;
  border-radius: 4px;
}

/* ═══════════════════════════════════════════════
   LEARNINGS
═══════════════════════════════════════════════ */
.learnings { background: var(--bg); }

.learn-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.learn-card {
  padding: 26px;
  border-radius: var(--radius-lg);
  background:
    linear-gradient(160deg, rgba(0,229,255,.04), transparent 60%),
    var(--bg-2);
  border: 1px solid var(--border);
  transition: all var(--t);
  position: relative;
  overflow: hidden;
}
.learn-card:hover {
  transform: translateY(-4px);
  border-color: rgba(139,92,246,.25);
  box-shadow: 0 18px 40px rgba(0,0,0,.35);
}

.ln-tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: .68rem; font-weight: 600;
  color: var(--purple);
  background: rgba(139,92,246,.08);
  border: 1px solid rgba(139,92,246,.20);
  padding: 4px 10px;
  border-radius: 999px;
  letter-spacing: .12em; text-transform: uppercase;
  margin-bottom: 14px;
}
.learn-card h3 {
  font-family: var(--head);
  font-size: 1.08rem; font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
  letter-spacing: -.01em;
}
.learn-card p {
  color: var(--muted);
  font-size: .9rem;
  line-height: 1.65;
}

/* ═══════════════════════════════════════════════
   CTA FINAL
═══════════════════════════════════════════════ */
.case-cta {
  background: var(--bg);
  padding: clamp(60px, 8vw, 100px) var(--pad-x);
}

.cta-wrap {
  position: relative;
  max-width: 1100px;
  margin: 0 auto;
  padding: clamp(50px, 8vw, 90px) clamp(28px, 5vw, 70px);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(ellipse at 30% 0%, rgba(0,229,255,.15), transparent 50%),
    radial-gradient(ellipse at 70% 100%, rgba(139,92,246,.18), transparent 50%),
    var(--bg-2);
  border: 1px solid var(--border-strong);
  overflow: hidden;
  text-align: center;
  isolation: isolate;
}

.cta-glow {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(0,229,255,.10), transparent 60%);
  z-index: -1;
  filter: blur(60px);
  animation: caseFloat 12s ease-in-out infinite;
}

.cta-grid-bg {
  position: absolute; inset: 0;
  background:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 40px 40px;
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black, transparent);
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black, transparent);
  z-index: -1;
}

.cta-inner h2 {
  font-family: var(--head);
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  font-weight: 900;
  letter-spacing: -.025em;
  margin: 14px 0 16px;
  line-height: 1.05;
}
.cta-inner h2 em {
  font-style: normal;
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.cta-inner p {
  color: var(--muted);
  font-size: clamp(.95rem, 1.2vw, 1.05rem);
  line-height: 1.7;
  max-width: 580px;
  margin: 0 auto 32px;
}
.cta-btns {
  display: flex; flex-wrap: wrap; gap: 12px;
  justify-content: center;
}

/* ═══════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════ */
@media (max-width: 980px) {
  .case-hero-grid {
    grid-template-columns: 1fr;
    gap: 50px;
  }
  .case-hero-text { max-width: 100%; }
  .case-hero-phone { order: -1; }

  .case-about-grid {
    grid-template-columns: 1fr;
  }

  .showcase-stage {
    grid-template-columns: 44px 1fr 44px;
    gap: 8px;
  }
  .sc-arrow { width: 40px; height: 40px; }
  .sc-track { height: 600px; }
  .sc-slide.prev { transform: translate(calc(-50% - 180px), -50%) scale(.7) rotateY(20deg); opacity: .25; }
  .sc-slide.next { transform: translate(calc(-50% + 180px), -50%) scale(.7) rotateY(-20deg); opacity: .25; }
}

@media (max-width: 640px) {
  .case-hero { min-height: auto; padding-bottom: 60px; }

  .phone-frame { width: 240px; height: 500px; }

  .ch-item {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 22px;
  }
  .ch-num { font-size: 2rem; }

  .case-meta {
    grid-template-columns: 1fr;
  }

  .sc-track { height: 540px; }
  .sc-slide.prev,
  .sc-slide.next { display: none; }
  .sc-arrow { background: var(--bg-2); }
}

@media (max-width: 420px) {
  .phone-frame { width: 220px; height: 460px; }
  .sc-track { height: 500px; }
  .case-hero-btns { flex-direction: column; align-items: stretch; }
  .case-hero-btns .btn-primary,
  .case-hero-btns .btn-outline { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .case-blob, .phone-frame.floating, .cta-glow, .ph-streak-fire,
  .case-badge .dot, .m-v .live { animation: none !important; }
  .sc-slide { transition: opacity .3s ease !important; }
}