/* ===================================================
   NSVAIRX Agentic Browser — Custom Styles
   =================================================== */

/* ─── Hero Browser Mockup ─── */
.browser-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: var(--nav-height);
  overflow: hidden;
  background: radial-gradient(ellipse at 50% 30%, rgba(37,99,235,.12) 0%, transparent 60%),
              radial-gradient(ellipse at 80% 70%, rgba(168,85,247,.08) 0%, transparent 50%),
              var(--bg-0);
}

.browser-hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image:
    linear-gradient(rgba(59,130,246,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59,130,246,.03) 1px, transparent 1px);
  background-size: 50px 50px;
  -webkit-mask-image: radial-gradient(ellipse at center, rgba(0,0,0,.5) 0%, transparent 70%);
  mask-image: radial-gradient(ellipse at center, rgba(0,0,0,.5) 0%, transparent 70%);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--cyan-400);
  background: rgba(6,182,212,.1);
  border: 1px solid rgba(6,182,212,.25);
  border-radius: 30px;
  margin-bottom: 1.5rem;
}

.hero-badge .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--cyan-400);
  animation: pulseDot 2s ease-in-out infinite;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .5; transform: scale(.7); }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 5rem);
  font-weight: 900;
  line-height: 1.08;
  margin-bottom: 1.5rem;
  letter-spacing: -1px;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 640px;
  margin: 0 auto 2.5rem;
}

/* ─── Task Ticker ─── */
.task-ticker {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 20px;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: 40px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto 3rem;
  overflow: hidden;
  white-space: nowrap;
}

.task-ticker .ticker-label {
  color: var(--teal-400);
  font-weight: 700;
  flex-shrink: 0;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.task-ticker .ticker-text {
  flex: 1;
  overflow: hidden;
}

.task-ticker .ticker-text span {
  display: inline-block;
  animation: tickerSlide 12s ease-in-out infinite;
}

@keyframes tickerSlide {
  0%, 30%   { transform: translateY(0); opacity: 1; }
  33%, 63%  { transform: translateY(-100%); opacity: 0; }
  66%, 96%  { transform: translateY(100%); opacity: 0; }
  100%      { transform: translateY(0); opacity: 1; }
}

/* ─── Browser Frame Mockup ─── */
.browser-frame {
  max-width: 900px;
  margin: 0 auto;
  border-radius: 16px;
  border: 1px solid var(--border-glow);
  overflow: hidden;
  box-shadow: 0 0 80px rgba(59,130,246,.15), 0 20px 60px rgba(0,0,0,.4);
  background: var(--bg-card);
  position: relative;
}

.browser-frame::before {
  content: '';
  position: absolute;
  top: -1px; left: -1px; right: -1px;
  height: 2px;
  background: linear-gradient(90deg, var(--teal-400), var(--blue-400), var(--purple-400));
  z-index: 2;
}

.browser-topbar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: var(--bg-2);
  border-bottom: 1px solid var(--border-subtle);
}

.browser-dots {
  display: flex;
  gap: 6px;
}

.browser-dots span {
  width: 12px; height: 12px;
  border-radius: 50%;
}

.browser-dots span:nth-child(1) { background: #ef4444; }
.browser-dots span:nth-child(2) { background: #eab308; }
.browser-dots span:nth-child(3) { background: #22c55e; }

.browser-url {
  flex: 1;
  padding: 6px 14px;
  background: var(--bg-1);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: var(--font-sans);
}

.browser-body {
  padding: 2rem;
  min-height: 260px;
}

/* ─── Live Demo Terminal ─── */
.demo-terminal {
  max-width: 800px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 8px 40px rgba(0,0,0,.3);
}

.demo-terminal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: var(--bg-2);
  border-bottom: 1px solid var(--border-subtle);
}

.demo-terminal-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.demo-body {
  padding: 1.5rem;
}

.demo-input-row {
  display: flex;
  gap: 10px;
  margin-bottom: 1.5rem;
}

.demo-input {
  flex: 1;
  padding: 12px 16px;
  background: var(--bg-1);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  color: var(--text-primary);
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition-fast);
}

.demo-input:focus {
  border-color: var(--blue-400);
  box-shadow: 0 0 0 3px rgba(59,130,246,.15);
}

.demo-input::placeholder { color: var(--text-muted); }

/* ─── Agent Action Steps ─── */
.agent-steps {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.agent-step {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 16px;
  background: var(--bg-1);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  opacity: 0;
  transform: translateX(-15px);
  transition: all .4s ease;
}

.agent-step.visible {
  opacity: 1;
  transform: translateX(0);
}

.agent-step.active {
  border-color: var(--blue-400);
  box-shadow: 0 0 20px rgba(59,130,246,.1);
}

.agent-step.completed {
  border-color: rgba(34,197,94,.3);
}

.step-icon {
  width: 32px; height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.step-icon.thinking { background: rgba(59,130,246,.15); color: var(--blue-400); }
.step-icon.searching { background: rgba(168,85,247,.15); color: var(--purple-400); }
.step-icon.analyzing { background: rgba(20,184,166,.15); color: var(--teal-400); }
.step-icon.complete { background: rgba(34,197,94,.15); color: #22c55e; }

.step-content {
  flex: 1;
}

.step-label {
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 2px;
}

.step-detail {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Spinning loader for active steps */
.step-spinner {
  display: inline-block;
  width: 14px; height: 14px;
  border: 2px solid rgba(59,130,246,.2);
  border-top-color: var(--blue-400);
  border-radius: 50%;
  animation: spin .8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ─── Feature Cards (Large) ─── */
.feature-grid-lg {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.feature-card-lg {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: all var(--transition-base);
}

.feature-card-lg:hover {
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow);
  transform: translateY(-4px);
}

.feature-card-lg .f-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
}

.feature-card-lg h3 {
  font-size: 1.1rem;
  font-weight: 700;
}

.feature-card-lg p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ─── Use Case Showcase ─── */
.usecase-card {
  padding: 2rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.usecase-card .uc-icon {
  width: 64px; height: 64px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
}

/* ─── Intent-to-Action Pipeline ─── */
.pipeline {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
  max-width: 1000px;
  margin: 0 auto;
}

.pipeline-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 1.5rem 1rem;
  min-width: 140px;
  text-align: center;
}

.pipeline-step .p-icon {
  width: 60px; height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  border: 2px solid var(--border-subtle);
  transition: all var(--transition-base);
}

.pipeline-step.active .p-icon {
  border-color: var(--blue-400);
  box-shadow: 0 0 30px rgba(59,130,246,.2);
}

.pipeline-step .p-label {
  font-size: 0.85rem;
  font-weight: 700;
}

.pipeline-step .p-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
  max-width: 130px;
}

.pipeline-arrow {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-top: -1.5rem;
}

/* ─── FAQ Accordion ─── */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color var(--transition-base);
}

.faq-item:hover {
  border-color: var(--border-glow);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  color: var(--text-primary);
  width: 100%;
  text-align: left;
  background: none;
  font-family: inherit;
}

.faq-question i {
  transition: transform var(--transition-base);
  color: var(--text-muted);
  font-size: 1.2rem;
}

.faq-item.open .faq-question i {
  transform: rotate(180deg);
  color: var(--blue-400);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease, padding .35s ease;
  padding: 0 1.5rem;
}

.faq-item.open .faq-answer {
  max-height: 400px;
  padding: 0 1.5rem 1.25rem;
}

.faq-answer p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.faq-answer ul {
  margin-top: 0.5rem;
  padding-left: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.faq-answer ul li {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
  list-style: disc;
}

/* ─── Download Section ─── */
.download-cards {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.download-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 1rem 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition-base);
  cursor: pointer;
  min-width: 200px;
  justify-content: center;
}

.download-card:hover {
  border-color: var(--blue-400);
  box-shadow: 0 0 30px rgba(59,130,246,.15);
  transform: translateY(-3px);
}

.download-card i {
  font-size: 1.5rem;
}

/* ─── Output Badge Row ─── */
.output-badges {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}

.output-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 40px;
  font-size: 0.85rem;
  font-weight: 600;
  transition: all var(--transition-base);
}

.output-badge:hover {
  border-color: var(--border-glow);
  background: var(--bg-glass);
}

.output-badge i {
  font-size: 1.1rem;
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
  .feature-grid-lg { grid-template-columns: 1fr; }
  .pipeline { flex-direction: column; }
  .pipeline-arrow { transform: rotate(90deg); margin: 0; }
  .demo-input-row { flex-direction: column; }
  .download-cards { flex-direction: column; align-items: center; }
}

@media (max-width: 1024px) {
  .feature-grid-lg { grid-template-columns: repeat(2, 1fr); }
}