/* ===== RESET ===== */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; -webkit-tap-highlight-color:transparent; }

:root {
  --teal:        #00a99d;
  --teal-dark:   #007d74;
  --teal-light:  #e0f7f5;
  --blue:        #1a56db;
  --bg:          #f0f9f8;
  --white:       #ffffff;
  --txt:         #1a2e35;
  --txt-2:       #5f7a80;
  --border:      #cce8e5;
  --verde:       #0e9f6e;
  --rojo:        #e02424;
  --shadow:      0 2px 8px rgba(0,169,157,.10);
  --shadow-md:   0 6px 24px rgba(0,169,157,.18);
  --radius:      16px;
  --radius-sm:   10px;
  --safe-top:    env(safe-area-inset-top,0px);
  --safe-bot:    env(safe-area-inset-bottom,0px);
}

html,body { height:100%; }
body { font-family:-apple-system,BlinkMacSystemFont,'SF Pro Text','Segoe UI',sans-serif; background:var(--bg); color:var(--txt); min-height:100vh; overflow-x:hidden; }

/* ===== SCREENS ===== */
.screen { display:none; flex-direction:column; min-height:100vh; }
.screen.active { display:flex; }

/* ===== TOPBAR ===== */
.topbar {
  background: linear-gradient(135deg, var(--teal) 0%, var(--teal-dark) 100%);
  display:flex; align-items:center; gap:12px;
  padding:12px 16px; padding-top:calc(12px + var(--safe-top));
  position:sticky; top:0; z-index:100;
  box-shadow:0 2px 12px rgba(0,169,157,.25);
}
.topbar-logo { height:36px; object-fit:contain; filter:brightness(0) invert(1); }
.topbar-title { flex:1; font-size:17px; font-weight:600; color:#fff; letter-spacing:-.2px; }
.topbar-actions { margin-left:auto; }
.btn-icon-teal {
  background:rgba(255,255,255,.18); border:none; color:#fff;
  width:36px; height:36px; border-radius:50%; font-size:17px;
  display:flex; align-items:center; justify-content:center; cursor:pointer;
  transition:background .15s;
}
.btn-icon-teal:active { background:rgba(255,255,255,.35); }

/* ===== LOGIN ===== */
.login-wrap {
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  min-height:100vh; padding:32px 24px; gap:24px;
  background:linear-gradient(160deg, #e0f7f5 0%, var(--bg) 60%);
}
.login-logo { text-align:center; }
.logo-img { max-width:280px; width:100%; object-fit:contain; }
.login-sub { color:var(--txt-2); font-size:13px; margin-top:8px; }
.login-card {
  width:100%; max-width:360px;
  display:flex; flex-direction:column; gap:12px;
  background:var(--white); padding:28px; border-radius:var(--radius);
  box-shadow:var(--shadow-md);
}
.login-card input {
  width:100%; padding:14px 16px;
  border:2px solid var(--border); border-radius:var(--radius-sm);
  font-size:16px; outline:none; background:var(--bg); transition:border-color .2s;
}
.login-card input:focus { border-color:var(--teal); background:var(--white); }
.msg-error { color:var(--rojo); font-size:13px; text-align:center; min-height:18px; }

/* ===== BUTTONS ===== */
.btn-primary {
  width:100%; padding:16px; background:var(--teal); color:#fff;
  border:none; border-radius:var(--radius); font-size:16px; font-weight:600;
  cursor:pointer; transition:background .15s, transform .1s; letter-spacing:.2px;
}
.btn-primary:active { background:var(--teal-dark); transform:scale(.98); }
.btn-primary:disabled { background:var(--border); color:var(--txt-2); cursor:not-allowed; transform:none; }

.btn-sec {
  padding:12px 20px; background:var(--white); color:var(--teal);
  border:2px solid var(--teal); border-radius:var(--radius-sm);
  font-size:15px; font-weight:500; cursor:pointer; transition:all .15s; white-space:nowrap;
}
.btn-sec:active { background:var(--teal); color:#fff; }

/* ===== MENÚ ===== */
.menu-body { padding:24px 16px; flex:1; }
.menu-grid { display:flex; flex-direction:column; gap:14px; max-width:680px; margin:0 auto; }
.menu-card {
  background:var(--white); border:none; border-radius:var(--radius);
  padding:20px 22px; display:flex; align-items:center; gap:16px;
  box-shadow:var(--shadow); cursor:pointer; text-align:left;
  transition:transform .1s, box-shadow .1s; border-left:4px solid var(--teal);
}
.menu-card:active { transform:scale(.98); box-shadow:none; }
.menu-card-icon { font-size:32px; width:48px; text-align:center; flex-shrink:0; }
.menu-card-text { flex:1; display:flex; flex-direction:column; gap:2px; }
.card-label { font-size:17px; font-weight:700; color:var(--txt); }
.card-sub   { font-size:13px; color:var(--txt-2); }
.card-arrow { color:var(--teal); font-size:20px; font-weight:700; }

/* ===== PASOS ===== */
.paso { display:none; flex:1; flex-direction:column; }
.paso.active { display:flex; }

/* ===== PASO 1: FOTO ===== */
.foto-paso-wrap {
  padding:16px; display:flex; flex-direction:column; gap:14px; flex:1;
}
.foto-preview {
  position:relative; border-radius:var(--radius); overflow:hidden;
  border:2px dashed var(--border); min-height:280px; background:var(--white);
  display:flex; align-items:center; justify-content:center;
}
.foto-preview img { width:100%; height:100%; max-height:420px; object-fit:cover; display:block; }
.foto-empty { text-align:center; color:var(--txt-2); padding:32px; }
.foto-empty span { font-size:64px; display:block; margin-bottom:12px; }
.foto-empty p { font-size:14px; }
.foto-btns { display:flex; gap:12px; }
.foto-btns .btn-sec { flex:1; }

/* ===== PASO 2: ANALIZANDO ===== */
.analizando-layout {
  flex:1; display:flex; flex-direction:column; gap:16px; padding:16px;
}
.foto-scan-wrap .foto-preview { min-height:260px; }
.scan-info {
  display:flex; flex-direction:column; align-items:center;
  gap:12px; text-align:center; padding:16px;
}
.scan-info h3 { font-size:18px; color:var(--txt); }
.scan-info p  { font-size:13px; color:var(--txt-2); }
.scan-steps { display:flex; flex-direction:column; gap:6px; width:100%; max-width:280px; }
.scan-step {
  font-size:13px; color:var(--txt-2); padding:8px 12px;
  border-radius:var(--radius-sm); background:var(--bg); text-align:left;
  transition:all .4s;
}
.scan-step.active { color:var(--teal); font-weight:600; background:var(--teal-light); }
.scan-step.done   { color:var(--verde); font-weight:500; }

/* ===== SPINNER ===== */
.spinner-teal {
  width:44px; height:44px;
  border:4px solid var(--border);
  border-top-color:var(--teal);
  border-radius:50%;
  animation:spin .7s linear infinite;
}
@keyframes spin { to { transform:rotate(360deg); } }

/* ===== PASO 3: RESULTADOS ===== */
.res-layout {
  flex:1; display:flex; flex-direction:column; gap:0; overflow-y:auto;
}
.res-izq, .res-der { padding:14px 16px; }
.res-izq { background:var(--white); border-bottom:1px solid var(--border); }
.res-der  { background:var(--bg); padding-bottom:40px; }

.res-foto-wrap {
  position:relative; border-radius:var(--radius); overflow:hidden;
  background:#000; margin-bottom:14px;
}
.res-foto-wrap img { width:100%; max-height:280px; object-fit:cover; display:block; opacity:.92; }

/* ===== ANÁLISIS CARD ===== */
.analisis-card { background:var(--bg); border-radius:var(--radius-sm); padding:14px; }
.analisis-card h4 {
  color:var(--teal); font-size:12px; font-weight:700; text-transform:uppercase;
  letter-spacing:.8px; margin-bottom:10px;
}
.analisis-grid { display:grid; grid-template-columns:1fr 1fr; gap:8px; }
.a-item { background:var(--white); border-radius:8px; padding:10px 12px; border:1px solid var(--border); }
.a-item .lbl { font-size:10px; color:var(--txt-2); text-transform:uppercase; letter-spacing:.5px; }
.a-item .val { font-size:14px; font-weight:600; margin-top:2px; }
.analisis-rasgos {
  margin-top:10px; padding:10px 12px; background:var(--teal-light);
  border-radius:var(--radius-sm); font-size:12px; color:var(--txt); line-height:1.5;
  border-left:3px solid var(--teal);
}
.rasgos-lbl { font-weight:700; color:var(--teal); margin-right:4px; }
.analisis-desc {
  margin-top:10px; font-size:12px; color:var(--txt-2); line-height:1.5;
  border-top:1px solid var(--border); padding-top:10px;
}
.frame-ideal-tag {
  margin-top:8px; padding:8px 12px; background:#f0fdf4;
  border-radius:var(--radius-sm); font-size:12px; color:var(--verde); font-weight:500;
  border-left:3px solid var(--verde); line-height:1.4;
}

/* ===== RESULTADOS HEADER ===== */
.res-der-header { margin-bottom:12px; }
.res-der-header h3 { font-size:16px; font-weight:700; color:var(--txt); }

/* ===== FRAME CARDS ===== */
#frames-grid { display:flex; flex-direction:column; gap:10px; }
.frame-card {
  background:var(--white); border-radius:var(--radius); padding:14px;
  box-shadow:var(--shadow); display:flex; gap:12px; align-items:center;
  border:2px solid transparent; transition:border-color .2s;
  border-left:4px solid var(--teal);
}
.frame-img    { width:72px; height:54px; object-fit:contain; border-radius:8px; background:var(--bg); flex-shrink:0; }
.frame-img-ph { width:72px; height:54px; background:var(--bg); border-radius:8px; display:flex; align-items:center; justify-content:center; font-size:26px; flex-shrink:0; }
.frame-info   { flex:1; min-width:0; }
.frame-nom    { font-size:13px; font-weight:600; line-height:1.3; }
.frame-marca  { font-size:11px; color:var(--txt-2); margin-top:2px; }
.frame-razon  { font-size:12px; color:var(--teal-dark); margin-top:4px; line-height:1.3; font-style:italic; }
.frame-precio { font-size:16px; font-weight:700; color:var(--teal); margin-top:4px; }
.btn-elegir {
  background:var(--teal); color:#fff; border:none; border-radius:var(--radius-sm);
  padding:10px 14px; font-size:13px; font-weight:600; cursor:pointer; flex-shrink:0;
  transition:background .15s;
}
.btn-elegir:active { background:var(--teal-dark); }

/* ===== CONFIRMACIÓN ===== */
.confirm-wrap {
  flex:1; display:flex; flex-direction:column; align-items:center;
  justify-content:center; text-align:center; gap:14px; padding:32px 24px;
}
.confirm-icon { font-size:80px; }
.confirm-wrap h3 { font-size:22px; font-weight:700; }
.confirm-detalle-box {
  background:var(--white); border-radius:var(--radius); padding:20px 28px;
  box-shadow:var(--shadow-md); width:100%; max-width:320px;
  border-top:4px solid var(--teal);
}
.confirm-nota { font-size:12px; color:var(--txt-2); }
.confirm-wrap .btn-primary { max-width:280px; }

/* ===== INVENTARIO ===== */
.inv-container { padding:16px; flex:1; }
.inv-toolbar { display:flex; align-items:center; gap:12px; margin-bottom:16px; flex-wrap:wrap; }
.inv-badge { font-size:13px; color:var(--txt-2); background:var(--white); padding:6px 14px; border-radius:20px; border:1px solid var(--border); }
#inv-lista { display:flex; flex-direction:column; gap:8px; }
.inv-item {
  background:var(--white); border-radius:var(--radius); padding:12px 14px;
  display:flex; align-items:center; gap:12px; box-shadow:var(--shadow);
  border-left:3px solid var(--teal);
}
.inv-thumb    { width:56px; height:42px; object-fit:contain; border-radius:6px; background:var(--bg); flex-shrink:0; }
.inv-thumb-ph { width:56px; height:42px; background:var(--bg); border-radius:6px; display:flex; align-items:center; justify-content:center; font-size:20px; flex-shrink:0; cursor:pointer; border:1.5px dashed var(--border); }
.inv-thumb-ph:hover { border-color:var(--teal); }
.inv-info { flex:1; min-width:0; }
.inv-nom  { font-size:13px; font-weight:600; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.inv-det  { font-size:11px; color:var(--txt-2); margin-top:2px; }
.inv-stock { font-size:13px; font-weight:700; padding:4px 12px; border-radius:20px; white-space:nowrap; flex-shrink:0; }
.stock-ok  { color:var(--verde); background:#ecfdf5; }
.stock-out { color:var(--rojo);  background:#fef2f2; }
.inv-empty { text-align:center; color:var(--txt-2); padding:48px 24px; font-size:14px; line-height:1.6; }
.inv-empty span { font-size:48px; display:block; margin-bottom:12px; }

/* ===== LOADING ===== */
.loading-wrap { display:flex; flex-direction:column; align-items:center; justify-content:center; gap:12px; padding:32px; text-align:center; }
.loading-wrap p { font-size:14px; color:var(--txt-2); }

/* ===== TOAST ===== */
.toast {
  position:fixed; bottom:calc(24px + var(--safe-bot)); left:50%;
  transform:translateX(-50%) translateY(80px);
  background:#1a2e35; color:#fff; padding:12px 24px;
  border-radius:24px; font-size:14px; font-weight:500; z-index:9999;
  transition:transform .3s ease; white-space:nowrap; max-width:90vw; text-align:center;
}
.toast.show { transform:translateX(-50%) translateY(0); }

/* ===== iPAD 768px+ ===== */
@media (min-width: 768px) {

  .topbar-logo { height:40px; }

  .menu-grid { flex-direction:row; flex-wrap:wrap; }
  .menu-card { flex:1; min-width:200px; }

  /* Resultados: 2 columnas */
  .res-layout { flex-direction:row; overflow-y:hidden; }
  .res-izq {
    width:360px; flex-shrink:0; overflow-y:auto;
    border-right:1px solid var(--border); border-bottom:none;
  }
  .res-der { flex:1; overflow-y:auto; padding:20px 24px 40px; }
  .res-foto-wrap img { max-height:340px; }

  /* Analizando en 2 cols */
  .analizando-layout { flex-direction:row; align-items:center; padding:24px; gap:32px; }
  .foto-scan-wrap { flex:1; }
  .scan-info { flex:1; align-items:flex-start; text-align:left; }

  /* Foto paso 1 más grande */
  .foto-paso-wrap { max-width:640px; margin:0 auto; padding:24px; }
  .foto-preview { min-height:400px; }

  /* Frames en 1 col limpio */
  #frames-grid { gap:12px; }

  /* Inventario 2 cols */
  #inv-lista { display:grid; grid-template-columns:1fr 1fr; gap:10px; }

  /* Login con card */
  .login-card { padding:36px; }
}

/* ===== iPAD landscape 1024px+ ===== */
@media (min-width: 1024px) {
  .res-izq { width:420px; }
  #frames-grid { display:grid; grid-template-columns:1fr 1fr; gap:12px; }
}

/* ===== TOPBAR BRAND Y BOTÓN INVENTARIO ===== */
.topbar-brand {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -.3px;
  flex: 1;
}
.btn-menu-inv {
  background: rgba(255,255,255,.15);
  border: 1.5px solid rgba(255,255,255,.35);
  color: #fff;
  padding: 7px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  margin-right: 8px;
  transition: background .15s;
}
.btn-menu-inv:active { background: rgba(255,255,255,.30); }

/* ============================================
   MENÚ HERO ANIMADO
   ============================================ */
.menu-hero {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0;
  overflow: hidden;
  background: linear-gradient(160deg, #e0f7f5 0%, #f0f9f8 50%, #e8f5e9 100%);
}

/* ---- FLUJO 3 PASOS ---- */
.flujo-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 20px 16px 12px;
  flex-wrap: nowrap;
}
.flujo-paso {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.flujo-lbl {
  font-size: 11px;
  font-weight: 600;
  color: var(--teal-dark);
  text-transform: uppercase;
  letter-spacing: .5px;
  text-align: center;
}
.flujo-arrow {
  font-size: 20px;
  color: var(--teal);
  opacity: .6;
  margin: 0 2px;
  animation: pulseArrow 1.5s ease-in-out infinite;
}
@keyframes pulseArrow {
  0%,100% { opacity:.4; transform:translateX(0); }
  50%      { opacity:1;  transform:translateX(4px); }
}
.flujo-icono {
  width: 82px;
  height: 82px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0,169,157,.18);
}

/* --- PASO 1: SCAN --- */
.scan-box {
  background: linear-gradient(135deg, #00a99d22, #1a56db22);
  border: 2px solid rgba(0,169,157,.3);
}
.face-circle {
  width: 60px; height: 60px;
  position: relative;
  display: flex; align-items: center; justify-content: center;
}
.face-emoji { font-size: 36px; position: relative; z-index: 1; }
.scan-bar {
  position: absolute; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, #00a99d, transparent);
  top: 0;
  animation: scanDown 2s ease-in-out infinite;
  box-shadow: 0 0 8px #00a99d;
  z-index: 2;
}
@keyframes scanDown {
  0%   { top: 0%;   opacity: 1; }
  85%  { top: 100%; opacity: 1; }
  100% { top: 100%; opacity: 0; }
}
.scan-dots { position: absolute; inset: 0; }
.sdot {
  position: absolute;
  left: var(--dx); top: var(--dy);
  width: 5px; height: 5px;
  border-radius: 50%;
  background: #00a99d;
  transform: translate(-50%,-50%) scale(0);
  animation: dotAnim 2s ease-in-out infinite;
}
.sdot:nth-child(1) { animation-delay: .1s; }
.sdot:nth-child(2) { animation-delay: .3s; }
.sdot:nth-child(3) { animation-delay: .5s; }
.sdot:nth-child(4) { animation-delay: .7s; }
.sdot:nth-child(5) { animation-delay: .9s; }
.sdot:nth-child(6) { animation-delay: 1.1s; }
.sdot:nth-child(7) { animation-delay: 1.3s; }
.sdot:nth-child(8) { animation-delay: 1.5s; }
.sdot:nth-child(9) { animation-delay: 1.7s; }
@keyframes dotAnim {
  0%,40%  { transform: translate(-50%,-50%) scale(0); opacity:0; }
  55%     { transform: translate(-50%,-50%) scale(1.3); opacity:1; }
  70%,100%{ transform: translate(-50%,-50%) scale(1); opacity:.7; }
}

/* --- PASO 2: IA --- */
.ia-box {
  background: linear-gradient(135deg, #1a56db22, #6366f122);
  border: 2px solid rgba(26,86,219,.25);
}
.ia-anillo {
  position: absolute;
  border-radius: 50%;
  border: 2px solid rgba(26,86,219,.5);
  animation: iaRing 2s ease-out infinite;
}
.ia-a1 { width: 24px; height: 24px; animation-delay: 0s; }
.ia-a2 { width: 44px; height: 44px; animation-delay: .4s; }
.ia-a3 { width: 64px; height: 64px; animation-delay: .8s; }
@keyframes iaRing {
  0%   { transform: scale(.5); opacity: 1; }
  100% { transform: scale(1.1); opacity: 0; }
}
.ia-core {
  position: relative; z-index: 2;
  font-size: 18px; font-weight: 800;
  color: #1a56db;
  background: white;
  width: 36px; height: 36px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 2px 8px rgba(26,86,219,.3);
  animation: iaPulse 1.5s ease-in-out infinite;
}
@keyframes iaPulse {
  0%,100% { box-shadow: 0 2px 8px rgba(26,86,219,.3); }
  50%     { box-shadow: 0 2px 20px rgba(26,86,219,.6); }
}

/* --- PASO 3: FRAMES --- */
.frames-box {
  background: linear-gradient(135deg, #00a99d22, #0e9f6e22);
  border: 2px solid rgba(0,169,157,.25);
  flex-direction: column;
  gap: 0;
  overflow: visible;
}
.frame-item {
  position: absolute;
  font-size: 20px;
  animation: frameFloat 3s ease-in-out infinite;
}
.fi1 { animation-delay: 0s;   top: 8px;  left: 50%; transform: translateX(-50%); }
.fi2 { animation-delay: 1s;   top: 30px; left: 50%; transform: translateX(-50%); }
.fi3 { animation-delay: 2s;   top: 52px; left: 50%; transform: translateX(-50%); }
@keyframes frameFloat {
  0%,100% { opacity: .3; transform: translateX(-50%) translateY(0); }
  33%     { opacity: 1;  transform: translateX(-50%) translateY(-4px); }
  66%     { opacity: .6; transform: translateX(-50%) translateY(2px); }
}

/* ---- ASISTENTE VIRTUAL ---- */
.asistente-wrap {
  flex: 1;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 0 20px 12px;
  gap: 14px;
  position: relative;
}
.asistente-avatar {
  width: 110px;
  flex-shrink: 0;
  filter: drop-shadow(0 8px 16px rgba(0,169,157,.25));
  animation: avatarBob 3s ease-in-out infinite;
}
.asistente-avatar svg { width: 100%; height: auto; }
@keyframes avatarBob {
  0%,100% { transform: translateY(0); }
  50%     { transform: translateY(-6px); }
}

/* Burbuja de chat */
.bubble-wrap {
  flex: 1;
  max-width: 220px;
  position: relative;
  margin-bottom: 16px;
}
.bubble-box {
  background: white;
  border-radius: 16px 16px 16px 4px;
  padding: 14px 16px;
  box-shadow: 0 4px 20px rgba(0,169,157,.2);
  border: 2px solid rgba(0,169,157,.2);
  min-height: 58px;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.bubble-tail {
  position: absolute;
  bottom: 10px;
  left: -10px;
  width: 0; height: 0;
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
  border-right: 12px solid white;
}
.bmsg {
  font-size: 13px;
  font-weight: 500;
  color: var(--txt);
  line-height: 1.5;
  position: absolute;
  opacity: 0;
  transition: opacity .5s;
}
.bmsg.bm1 { animation: msgCycle 10s  0s   infinite; }
.bmsg.bm2 { animation: msgCycle 10s  2s   infinite; }
.bmsg.bm3 { animation: msgCycle 10s  4s   infinite; }
.bmsg.bm4 { animation: msgCycle 10s  6s   infinite; }
.bmsg.bm5 { animation: msgCycle 10s  8s   infinite; }
@keyframes msgCycle {
  0%,18%  { opacity:0; transform: translateY(6px); }
  22%,78% { opacity:1; transform: translateY(0); }
  82%,100%{ opacity:0; transform: translateY(-6px); }
}

/* ---- CTA INFERIOR ---- */
.menu-cta {
  padding: 14px 20px calc(20px + var(--safe-bot));
  background: white;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.cta-hint {
  font-size: 13px;
  color: var(--txt-2);
  text-align: center;
}
.btn-cta-main {
  width: 100%;
  max-width: 420px;
  padding: 18px 24px;
  background: linear-gradient(135deg, var(--teal) 0%, var(--teal-dark) 100%);
  color: white;
  border: none;
  border-radius: var(--radius);
  font-size: 17px;
  font-weight: 700;
  cursor: pointer;
  letter-spacing: .3px;
  box-shadow: 0 4px 20px rgba(0,169,157,.35);
  transition: transform .15s, box-shadow .15s;
  animation: ctaPulse 3s ease-in-out infinite;
}
.btn-cta-main:active {
  transform: scale(.97);
  box-shadow: 0 2px 8px rgba(0,169,157,.2);
}
@keyframes ctaPulse {
  0%,100% { box-shadow: 0 4px 20px rgba(0,169,157,.35); }
  50%     { box-shadow: 0 6px 32px rgba(0,169,157,.55); }
}

/* iPAD: hero en 2 cols */
@media (min-width: 768px) {
  .menu-hero { flex-direction: row; align-items: stretch; }
  .flujo-wrap {
    flex-direction: column;
    width: 200px;
    flex-shrink: 0;
    padding: 24px 16px;
    justify-content: center;
    background: rgba(255,255,255,.4);
    border-right: 1px solid var(--border);
  }
  .flujo-arrow { transform: rotate(90deg); }
  .flujo-icono { width: 90px; height: 90px; }
  .asistente-wrap {
    flex: 1;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    padding: 24px 32px;
    gap: 24px;
  }
  .asistente-avatar { width: 140px; }
  .bubble-wrap { max-width: 300px; margin-bottom: 0; }
  .bubble-tail {
    bottom: auto;
    top: 50%;
    left: -12px;
    transform: translateY(-50%);
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
    border-right: 14px solid white;
  }
  .btn-cta-main { font-size: 18px; padding: 20px 32px; }
}