/* ============================================================
   download_app.css — Premium PWA Download & Install Guide
   ============================================================ */

.download-page {
  display: flex;
  flex-direction: column;
  gap: 28px;
  animation: fadeIn 0.3s ease-out;
}

/* ── Hero Gradient Panel ─────────────────────────────────── */
.dl-hero-card {
  position: relative;
  background: linear-gradient(135deg, rgba(37,99,235,0.12) 0%, rgba(124,58,237,0.10) 100%);
  border: 1px solid rgba(37,99,235,0.25);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(37,99,235,0.06);
}

.dl-hero-text {
  flex: 1;
  z-index: 2;
}

.dl-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(90deg, rgba(37,99,235,0.15), rgba(124,58,237,0.15));
  color: var(--accent-h);
  border: 1px solid rgba(124,58,237,0.3);
  padding: 6px 14px;
  border-radius: 99px;
  font-size: 0.82rem;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.dl-hero-text h2 {
  font-size: 1.85rem;
  font-weight: 800;
  line-height: 1.25;
  margin: 0 0 10px 0;
  background: var(--brand-grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.dl-hero-text p {
  color: var(--text2);
  font-size: 1rem;
  margin: 0;
  line-height: 1.5;
  max-width: 520px;
}

/* ── Platform Badge ──────────────────────────────────────── */
.dl-platform-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 16px;
  border-radius: 99px;
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: 0 4px 12px var(--shadow);
}
.dl-platform-chip .pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--success);
  border-radius: 50%;
  position: relative;
}
.dl-platform-chip .pulse-dot::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid var(--success);
  animation: pulse-ring 1.8s infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(0.6); opacity: 1; }
  100% { transform: scale(1.6); opacity: 0; }
}

/* ── Benefits Row ────────────────────────────────────────── */
.dl-benefits-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.dl-benefit-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  transition: all var(--transition);
}

.dl-benefit-card:hover {
  transform: translateY(-2px);
  border-color: rgba(37,99,235,0.3);
  box-shadow: 0 8px 24px var(--shadow);
}

.dl-benefit-icon {
  font-size: 2.2rem;
  line-height: 1;
  flex-shrink: 0;
  padding: 8px;
  background: rgba(37,99,235,0.08);
  border-radius: 12px;
  color: var(--accent);
}

.dl-benefit-info h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0 0 6px 0;
  color: var(--text);
}

.dl-benefit-info p {
  font-size: 0.88rem;
  color: var(--text2);
  margin: 0;
  line-height: 1.45;
}

/* ── Interactive Native Install Block ───────────────────── */
.dl-native-install-card {
  background: linear-gradient(135deg, rgba(34,197,94,0.08) 0%, rgba(37,99,235,0.05) 100%);
  border: 1.5px solid rgba(34,197,94,0.35);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  box-shadow: 0 8px 30px rgba(34,197,94,0.05);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  animation: glowPulse 3s infinite alternate;
}

@keyframes glowPulse {
  from { box-shadow: 0 8px 30px rgba(34,197,94,0.03), 0 0 0 0px rgba(34,197,94,0.0); }
  to { box-shadow: 0 8px 30px rgba(34,197,94,0.08), 0 0 16px 2px rgba(34,197,94,0.15); }
}

.dl-native-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text);
  margin: 0;
}

.dl-native-desc {
  font-size: 0.95rem;
  color: var(--text2);
  max-width: 480px;
  margin: 0;
}

.dl-native-btn {
  background: var(--brand-grad);
  color: #fff;
  border: none;
  font-size: 1.05rem;
  font-weight: 700;
  padding: 14px 38px;
  border-radius: 99px;
  cursor: pointer;
  box-shadow: 0 4px 18px rgba(37,99,235,0.4);
  transition: all var(--transition);
  display: flex;
  align-items: center;
  gap: 10px;
  position: relative;
  overflow: hidden;
}

.dl-native-btn::after {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 50%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.25), transparent);
  transform: skewX(-20deg);
  animation: shine-btn 4s infinite ease-in-out;
}

@keyframes shine-btn {
  0% { left: -100%; }
  25% { left: 150%; }
  100% { left: 150%; }
}

.dl-native-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37,99,235,0.55);
}

.dl-native-btn:active {
  transform: translateY(0);
}

/* ── Interactive Tabs Layout ────────────────────────────── */
.dl-tabs-container {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.dl-tabs-header-wrapper {
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.dl-tabs-header {
  display: flex;
  gap: 8px;
  margin-bottom: -1px;
}

.dl-tab-btn {
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  color: var(--text3);
  padding: 12px 20px;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
}

.dl-tab-btn:hover {
  color: var(--text);
  border-bottom-color: var(--border);
}

.dl-tab-btn.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ── Tab Content Steps ───────────────────────────────────── */
.dl-tab-panel {
  display: none;
  animation: tabFadeIn 0.22s ease-out;
}
.dl-tab-panel.active {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 32px;
}

@keyframes tabFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.dl-steps-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.dl-step-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  display: flex;
  align-items: flex-start;
  gap: 18px;
  transition: border-color var(--transition);
}

.dl-step-card:hover {
  border-color: rgba(37,99,235,0.25);
}

.dl-step-number {
  background: linear-gradient(135deg, var(--accent), var(--accent-h));
  color: #fff;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 800;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(37,99,235,0.3);
}

.dl-step-content {
  flex: 1;
}

.dl-step-content strong {
  display: block;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.dl-step-content p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--text2);
  line-height: 1.45;
}

.dl-step-content .highlight-tag {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1px 6px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text);
}

/* ── Custom CSS Phone Mockup ────────────────────────────── */
.dl-preview-col {
  display: flex;
  align-items: center;
  justify-content: center;
}

.phone-mockup {
  position: relative;
  width: 250px;
  height: 480px;
  background: #090d16;
  border: 10px solid #1e293b;
  border-radius: 36px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.5), inset 0 0 10px rgba(0,0,0,0.8);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* Phone notch */
.phone-mockup::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 110px;
  height: 18px;
  background: #1e293b;
  border-bottom-left-radius: 12px;
  border-bottom-right-radius: 12px;
  z-index: 10;
}

.phone-screen {
  flex: 1;
  background: radial-gradient(circle at top, #1e1b4b, #0f172a);
  padding: 24px 16px 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

/* App Logo in Mockup */
.mock-app-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 40px;
  gap: 12px;
  animation: mockLogoFloat 4s ease-in-out infinite alternate;
}

@keyframes mockLogoFloat {
  from { transform: translateY(0); }
  to { transform: translateY(-8px); }
}

.mock-logo-circle {
  width: 72px;
  height: 72px;
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(139,92,246,0.35);
  font-size: 2.2rem;
}

.mock-app-name {
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
  margin: 0;
}

.mock-app-tag {
  font-size: 0.65rem;
  color: rgba(255,255,255,0.6);
  margin: -4px 0 0 0;
  font-weight: 500;
}

/* Fake Home Screen Mockup (for iOS/Android show home icon) */
.mock-home-screen {
  position: absolute;
  inset: 0;
  background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect width="100%" height="100%" fill="%230f172a"/><circle cx="50" cy="50" r="40" fill="%233b82f6" opacity="0.1"/><circle cx="20" cy="80" r="30" fill="%23ec4899" opacity="0.1"/></svg>') center/cover;
  padding: 40px 16px 16px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  z-index: 5;
  transition: opacity 0.3s ease;
  opacity: 0; /* will be toggled by JS based on step */
  pointer-events: none;
}

.mock-home-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px 8px;
}

.mock-home-app {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.mock-app-icon {
  width: 42px;
  height: 42px;
  background: #334155;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: #fff;
}

.mock-app-icon.miboo-icon {
  background: linear-gradient(135deg, #2563eb, #7c3aed);
  box-shadow: 0 4px 12px rgba(37,99,235,0.4);
  animation: mockAppPulse 2s infinite;
}

@keyframes mockAppPulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.08); box-shadow: 0 4px 18px rgba(37,99,235,0.6); }
  100% { transform: scale(1); }
}

.mock-app-label {
  font-size: 0.55rem;
  color: #e2e8f0;
  text-align: center;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  width: 100%;
}

.mock-phone-footer {
  margin-top: auto;
}

.mock-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: 16px;
  padding: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.mock-card-icon {
  font-size: 1.2rem;
}

.mock-card-text {
  flex: 1;
}

.mock-card-text div {
  font-size: 0.65rem;
  color: #fff;
  font-weight: 700;
}

.mock-card-text span {
  font-size: 0.52rem;
  color: rgba(255,255,255,0.5);
  display: block;
}

/* ── Success Screen ──────────────────────────────────────── */
.dl-success-stage {
  background: var(--surface);
  border: 2px solid var(--success);
  border-radius: var(--radius-lg);
  padding: 48px 32px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  box-shadow: 0 10px 40px rgba(34,197,94,0.08);
  animation: successPop 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes successPop {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

.dl-success-icon {
  width: 96px;
  height: 96px;
  background: rgba(34,197,94,0.1);
  border: 2px solid var(--success);
  color: var(--success);
  font-size: 3.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: bounceSuccess 2s infinite alternate;
}

@keyframes bounceSuccess {
  from { transform: translateY(0); }
  to { transform: translateY(-8px); }
}

.dl-success-stage h2 {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text);
  margin: 0;
}

.dl-success-stage p {
  color: var(--text2);
  font-size: 1rem;
  margin: 0;
  max-width: 500px;
  line-height: 1.5;
}

.dl-success-close-btn {
  background: var(--bg2);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 10px 24px;
  border-radius: 99px;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
}

.dl-success-close-btn:hover {
  background: var(--bg3);
}

/* ── Responsive Styling ──────────────────────────────────── */
@media (max-width: 900px) {
  .dl-tab-panel.active {
    grid-template-columns: 1fr;
  }
  .dl-preview-col {
    display: none; /* Hide phone mockup on tablet/mobile to save space */
  }
  .dl-hero-card {
    padding: 24px;
    flex-direction: column;
    text-align: center;
  }
  .dl-hero-text p {
    max-width: 100%;
  }
}

@media (max-width: 600px) {
  .dl-hero-text h2 {
    font-size: 1.5rem;
  }
  .dl-tab-btn {
    padding: 10px 12px;
    font-size: 0.85rem;
  }
  .dl-native-install-card {
    padding: 24px 16px;
  }
  .dl-native-title {
    font-size: 1.25rem;
  }
}