/**
 * Aira Antivirus — Stage 2: Hero Section Styles
 * Premium Cybersecurity × AI Infrastructure
 * Strictly adhering to:
 * - tokens.css & primitives.css
 * - frontend-design (cybersecurity-first, zero SaaS clichés, deliberate typography)
 * - frontend-ui-engineering (mobile-first, 4px scale, responsive clamp, 44px touch targets)
 * - better-colors (semantic tokens, verified WCAG AA/AAA contrast)
 * - better-accessibility (visible focus, prefers-reduced-motion, semantic ARIA)
 */

/* ==========================================================================
   1. Hero Section Shell & Geometry
   ========================================================================== */

.hero-section {
  position: relative;
  width: 100%;
  padding-top: calc(var(--header-height) + clamp(var(--space-6), 5vw, var(--space-12)));
  padding-bottom: clamp(var(--space-12), 7vw, var(--space-20));
  overflow: hidden;
}

@media (max-width: 767px) {
  .hero-section {
    padding-top: calc(var(--header-height-mobile) + var(--space-6));
    padding-bottom: var(--space-12);
  }
}

/* Ambient hero glow accents */
.hero__glow {
  position: absolute;
  top: 10%;
  right: 5%;
  width: min(600px, 90vw);
  height: 480px;
  border-radius: 50%;
  pointer-events: none;
  z-index: var(--z-background);
  filter: blur(120px);
  opacity: 0.32;
  background: radial-gradient(
    ellipse at center,
    rgba(59, 102, 255, 0.4) 0%,
    rgba(6, 182, 212, 0.2) 40%,
    transparent 70%
  );
}

@media (max-width: 1024px) {
  .hero__glow {
    top: 30%;
    left: 50%;
    right: auto;
    transform: translateX(-50%);
    opacity: 0.24;
  }
}

/* ==========================================================================
   2. Hero Two-Column Grid Layout
   ========================================================================== */

.hero__grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(var(--space-8), 3.5vw, var(--space-14));
  align-items: center;
}

@media (max-width: 1024px) {
  .hero__grid {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-10);
  }
}

/* ==========================================================================
   3. Content Column (Headline, Subtitle, Actions, Proof Points)
   ========================================================================== */

.hero__content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  z-index: var(--z-surface);
  min-width: 0;
  max-width: 100%;
  width: 100%;
}

/* Eyebrow Badge — Refined Subtle Liquid-Sweep (No hard pulse, static dot) */
.hero__badge {
  position: relative;
  margin-bottom: var(--space-5);
  border: 1px solid rgba(56, 189, 248, 0.22);
  animation: pillSoftResonance 6s ease-in-out infinite;
  overflow: hidden;
}

.hero__badge .badge__dot {
  position: relative;
  animation: none !important;
}

.hero__badge .badge__dot::after {
  display: none !important;
}

.hero__badge::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(
    105deg,
    transparent 20%,
    rgba(56, 189, 248, 0.08) 38%,
    rgba(147, 197, 253, 0.22) 50%,
    rgba(56, 189, 248, 0.08) 62%,
    transparent 80%
  );
  background-size: 260% 100%;
  background-position: 180% 0;
  animation: pillLightSweep 6s ease-in-out infinite;
  pointer-events: none;
}

@keyframes pillLightSweep {
  0% {
    background-position: 180% 0;
    opacity: 0;
  }
  12% {
    opacity: 1;
  }
  42% {
    background-position: -80% 0;
    opacity: 1;
  }
  54% {
    opacity: 0;
  }
  100% {
    background-position: -80% 0;
    opacity: 0;
  }
}

@keyframes pillSoftResonance {
  0%, 100% {
    border-color: rgba(56, 189, 248, 0.22);
    box-shadow: 0 0 0 rgba(56, 189, 248, 0);
  }
  20%, 35% {
    border-color: rgba(56, 189, 248, 0.38);
    box-shadow: 0 0 10px rgba(56, 189, 248, 0.12);
  }
  50% {
    border-color: rgba(56, 189, 248, 0.22);
    box-shadow: 0 0 0 rgba(56, 189, 248, 0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero__badge,
  .hero__badge::before {
    animation: none !important;
  }
}

.hero__badge-icon {
  width: 14px;
  height: 14px;
  color: var(--color-cyan-400);
  flex-shrink: 0;
}

/* Hero H1 Headline */
.hero__title {
  font-family: var(--font-sans);
  font-size: clamp(2.35rem, 1.95rem + 2.2vw, 3.75rem);
  font-weight: var(--weight-bold);
  line-height: 1.15;
  letter-spacing: var(--tracking-tighter);
  color: var(--text-primary);
  margin-bottom: var(--space-5);
  max-width: 18ch;
}

.hero__title-brand {
  display: block;
  color: var(--text-primary);
  font-weight: var(--weight-bold);
}

.hero__title-context {
  display: block;
  color: var(--color-neutral-300);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-tight);
}

/* Hero Sub-headline */
.hero__subtitle {
  font-family: var(--font-sans);
  font-size: var(--text-md);
  line-height: 1.65;
  color: var(--color-neutral-200);
  margin-bottom: var(--space-8);
  max-width: 52ch;
}

@media (max-width: 767px) {
  .hero__title {
    font-size: clamp(1.75rem, 1.35rem + 2vw, 2.25rem);
    max-width: 100%;
    line-height: 1.18;
  }
  .hero__subtitle {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-neutral-200);
    margin-bottom: var(--space-6);
  }
}

/* Call to Action Group */
.hero__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
  flex-wrap: wrap;
  width: 100%;
}

.hero__cta-primary {
  gap: var(--space-2);
  min-width: 200px;
}

.hero__cta-primary span,
.hero__cta-primary svg {
  position: relative;
  z-index: 1;
  color: #ffffff;
  opacity: 1;
}

.hero__cta-primary:hover span,
.hero__cta-primary:hover svg {
  color: #ffffff;
  opacity: 1;
}

.hero__cta-primary:hover::before {
  left: 140%;
  transition: left 1.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero__cta-secondary {
  gap: var(--space-2);
}

.hero__cta-secondary:hover,
.hero__cta-secondary:active {
  transform: none !important;
}

@media (max-width: 480px) {
  .hero__actions {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-3);
  }
  .hero__cta-primary,
  .hero__cta-secondary {
    width: 100%;
    min-height: var(--hit-target-min);
  }
}

/* Proof / Human-Friendly Benefit Points */
.hero__proof-list {
  display: flex;
  align-items: center;
  gap: var(--space-2) var(--space-5);
  padding: 0;
  margin: 0;
  list-style: none;
  flex-wrap: wrap;
}

.hero__proof-item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-neutral-200);
}

.hero__proof-icon {
  width: 16px;
  height: 16px;
  color: var(--status-secure);
  flex-shrink: 0;
}

@media (max-width: 767px) {
  .hero__proof-list {
    gap: var(--space-2) var(--space-4);
  }
  .hero__proof-item {
    font-size: 0.8125rem;
  }
}

/* ==========================================================================
   4. Aira Sentinel Security Interface (Console / Visualizer)
   ========================================================================== */

.hero__visual {
  position: relative;
  width: 100%;
  min-width: 0;
  max-width: 100%;
  z-index: var(--z-surface);
}

/* Main Console Container */
.hero-console {
  position: relative;
  width: 100%;
  max-width: 100%;
  background: linear-gradient(
    180deg,
    rgba(20, 27, 38, 0.94) 0%,
    rgba(14, 19, 27, 0.98) 100%
  );
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  box-shadow:
    var(--shadow-elevated),
    0 0 35px rgba(59, 102, 255, 0.08);
  overflow: hidden;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition:
    border-color var(--transition-normal),
    box-shadow var(--transition-normal);
}

/* Top Hairline Cyber Accent */
.hero-console::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--color-accent-400) 35%,
    var(--color-cyan-400) 65%,
    transparent 100%
  );
  z-index: 2;
}

/* Console Header Bar */
.hero-console__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  background-color: rgba(7, 9, 13, 0.6);
  border-bottom: 1px solid var(--border-subtle);
  gap: var(--space-3);
}

.hero-console__header-left {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 0;
}

/* Tactical Window Indicators */
.hero-console__controls {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.hero-console__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-neutral-700);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.hero-console__dot--accent {
  background-color: var(--color-accent-400);
  box-shadow: 0 0 8px rgba(96, 133, 255, 0.6);
  border-color: rgba(96, 133, 255, 0.5);
}

/* Console Title in JetBrains Mono */
.hero-console__title {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wider);
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Console Status Badge */
.hero-console__status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 8px;
  border-radius: var(--radius-xs);
  background-color: rgba(16, 185, 129, 0.08);
  border: 1px solid var(--border-status-secure);
  color: var(--status-secure);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  flex-shrink: 0;
}

.hero-console__status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: currentColor;
  position: relative;
}

.hero-console__status-dot--pulse::after {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  background-color: inherit;
  opacity: 0.5;
  animation: badge-pulse 2.2s ease-out infinite;
}

/* ==========================================================================
   5. HUD Diagnostics Telemetry Grid
   ========================================================================== */

.hero-console__hud {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background-color: var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.hero-hud-card {
  background-color: var(--surface-card);
  padding: var(--space-3) var(--space-4);
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.hero-hud-card__label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-secondary);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  white-space: nowrap;
}

.hero-hud-card__val {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.hero-hud-card__val--secure {
  color: var(--status-secure);
}

.hero-hud-card__val--cyan {
  color: var(--color-cyan-400);
}

@media (max-width: 480px) {
  .hero-console__header {
    padding: var(--space-2) var(--space-3);
  }
  .hero-console__hud {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .hero-hud-card {
    padding: var(--space-2) 6px;
    overflow: hidden;
  }
  .hero-hud-card__label {
    font-size: 0.5625rem;
    white-space: normal;
    word-break: break-word;
    line-height: 1.2;
  }
  .hero-hud-card__val {
    font-size: 0.6875rem;
    gap: 3px;
  }
}

/* ==========================================================================
   6. Live Target Bar & Inspection Stream
   ========================================================================== */

.hero-console__target-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-4);
  background-color: rgba(7, 9, 13, 0.4);
  border-bottom: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.hero-console__target-label {
  color: var(--text-secondary);
}

.hero-console__target-val {
  color: var(--color-cyan-400);
  font-weight: var(--weight-medium);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.hero-console__wp-icon {
  width: 14px;
  height: 14px;
  fill: currentColor;
  flex-shrink: 0;
}

/* Live Stream Container */
.hero-console__body {
  position: relative;
  padding: var(--space-3) var(--space-4);
  min-height: 190px;
}

/* Dynamic Scanline Sweep */
.hero-console__scanline {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--color-cyan-400) 30%,
    var(--color-accent-400) 70%,
    transparent 100%
  );
  box-shadow: 0 0 10px rgba(34, 211, 238, 0.6);
  pointer-events: none;
  z-index: 10;
  opacity: 0.6;
  animation: hero-scanline-sweep 4.5s ease-in-out infinite;
}

@keyframes hero-scanline-sweep {
  0% {
    top: 4px;
    opacity: 0.2;
  }
  50% {
    top: calc(100% - 6px);
    opacity: 0.85;
  }
  100% {
    top: 4px;
    opacity: 0.2;
  }
}

/* Stream List Items */
.hero-console__stream {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.hero-stream-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  background-color: rgba(7, 9, 13, 0.35);
  border: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: var(--leading-snug);
  transition:
    background-color var(--transition-fast),
    border-color var(--transition-fast);
}

.hero-stream-row:hover {
  background-color: rgba(7, 9, 13, 0.65);
  border-color: var(--border-default);
}

/* Tag states: PASS, SCAN, BLOCKED, VERIFY */
.hero-stream-tag {
  padding: 2px 6px;
  border-radius: 3px;
  font-weight: var(--weight-bold);
  font-size: 0.6875rem;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.hero-stream-tag--pass {
  background-color: rgba(16, 185, 129, 0.12);
  color: var(--status-secure);
  border: 1px solid var(--border-status-secure);
}

.hero-stream-tag--scan {
  background-color: rgba(6, 182, 212, 0.12);
  color: var(--color-cyan-400);
  border: 1px solid rgba(6, 182, 212, 0.35);
}

.hero-stream-tag--blocked {
  background-color: rgba(244, 63, 94, 0.12);
  color: var(--status-danger);
  border: 1px solid var(--border-status-danger);
}

.hero-stream-tag--verify {
  background-color: var(--surface-accent-subtle);
  color: var(--color-accent-300);
  border: 1px solid var(--border-accent);
}

/* File Target Path */
.hero-stream-target {
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.hero-stream-meta {
  color: var(--text-secondary);
  white-space: nowrap;
  font-size: 0.6875rem;
  text-align: right;
}

@media (max-width: 600px) {
  .hero-stream-row {
    grid-template-columns: auto minmax(0, 1fr);
    gap: var(--space-2);
  }
  .hero-stream-meta {
    grid-column: 2 / -1;
    text-align: left;
    font-size: 0.625rem;
    white-space: normal;
    word-break: break-word;
  }
}

/* ==========================================================================
   7. Console Interactive Footer & Scan Action
   ========================================================================== */

.hero-console__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  background-color: rgba(7, 9, 13, 0.65);
  border-top: 1px solid var(--border-subtle);
  gap: var(--space-3);
  flex-wrap: wrap;
}

.hero-console__status-summary {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-secondary);
}

.hero-console__status-summary-icon {
  width: 14px;
  height: 14px;
  color: var(--status-secure);
  flex-shrink: 0;
}

/* Interactive Scan Button */
.hero-console__scan-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 32px;
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  background-color: var(--surface-interactive);
  border: 1px solid var(--border-default);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  cursor: pointer;
  user-select: none;
  transition:
    background-color var(--transition-fast),
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    transform var(--transition-fast);
}

.hero-console__scan-btn:hover {
  background-color: var(--surface-interactive-hover);
  border-color: var(--border-accent);
  color: #ffffff;
  box-shadow: 0 0 12px rgba(59, 102, 255, 0.25);
  transform: translateY(-1px);
}

.hero-console__scan-btn:focus-visible {
  outline: 2px solid var(--color-accent-400);
  outline-offset: 2px;
  box-shadow: var(--focus-ring);
}

.hero-console__scan-btn:active {
  transform: translateY(0);
}

.hero-console__scan-btn-icon {
  width: 14px;
  height: 14px;
  color: var(--color-cyan-400);
  transition: transform 0.6s var(--ease-out-cyber);
}

/* Active scanning state triggered by JS */
.hero-console--scanning .hero-console__scanline {
  animation: hero-scanline-sweep 1.2s ease-in-out infinite;
  opacity: 0.95;
  box-shadow: 0 0 16px rgba(34, 211, 238, 0.9);
}

.hero-console--scanning .hero-console__scan-btn-icon {
  animation: hero-spin 1s linear infinite;
}

@keyframes hero-spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

@media (max-width: 480px) {
  .hero-console__footer {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-2);
  }
  .hero-console__scan-btn {
    justify-content: center;
    min-height: var(--hit-target-min);
  }
}

/* ==========================================================================
   8. Reduced Motion & Accessibility Overrides
   ========================================================================= */

@media (prefers-reduced-motion: reduce) {
  .hero-console__scanline {
    animation: none !important;
    display: none !important;
  }
  .hero-console__status-dot--pulse::after {
    animation: none !important;
    display: none !important;
  }
  .hero-console--scanning .hero-console__scan-btn-icon {
    animation: none !important;
  }
  .hero-console__scan-btn:hover {
    transform: none !important;
  }
  .hero__cta-primary:hover,
  .hero__cta-secondary:hover {
    transform: none !important;
  }
}