/* ==========================================================================
   Strig Systems — Deep Navy Cyber Design System (Refined & Balanced)
   ========================================================================== */
:root {
  --bg-primary: #050811;
  --bg-secondary: #0a0f1d;
  --bg-card: rgba(14, 22, 38, 0.6);
  --bg-card-hover: rgba(22, 34, 58, 0.85);

  --accent-cyan: #00f0ff;
  --accent-blue: #3b82f6;
  --accent-purple: #8b5cf6;
  --accent-rose: #f43f5e;
  --accent-glow-cyan: rgba(0, 240, 255, 0.22);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --border-glass: rgba(255, 255, 255, 0.08);
  --border-glass-hover: rgba(0, 240, 255, 0.35);
  --border-alert: rgba(244, 63, 94, 0.35);

  --font-heading: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;

  --transition-smooth: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset & Global */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
}

body {
  position: relative;
  min-height: 100vh;
  overflow-x: hidden;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Background Grids & Subtle Glows */
.background-grid {
  position: fixed;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at 50% 20%, black 45%, transparent 85%);
  pointer-events: none;
  z-index: 0;
}

.glow-orb {
  position: fixed;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  filter: blur(140px);
  pointer-events: none;
  opacity: 0.25;
  z-index: 0;
}

.glow-top-left {
  top: -150px;
  left: -150px;
  background: radial-gradient(circle, var(--accent-cyan), transparent 70%);
}

.glow-center-right {
  top: 40%;
  right: -200px;
  background: radial-gradient(circle, var(--accent-purple), transparent 70%);
}

/* Glassmorphism Panel */
.glass-panel {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  transition: var(--transition-smooth);
}

.glass-panel:hover {
  border-color: var(--border-glass-hover);
  box-shadow: 0 10px 30px -10px var(--accent-glow-cyan);
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--accent-cyan), #009be5);
  color: #050811;
  padding: 0.85rem 1.75rem;
  border-radius: 10px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  transition: var(--transition-smooth);
  box-shadow: 0 4px 20px -3px rgba(0, 240, 255, 0.4);
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px -2px rgba(0, 240, 255, 0.65);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  color: var(--text-primary);
  padding: 0.85rem 1.6rem;
  border-radius: 10px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid var(--border-glass);
  background: rgba(255, 255, 255, 0.03);
  transition: var(--transition-smooth);
  cursor: pointer;
}

.btn-ghost:hover {
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
  background: rgba(0, 240, 255, 0.05);
  transform: translateY(-2px);
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.02rem;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-glass);
  background: rgba(5, 8, 17, 0.85);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.6rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  text-decoration: none;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: 0.04em;
  color: var(--text-primary);
}

.brand-shield {
  color: var(--accent-cyan);
  font-size: 1.35rem;
}

.accent-text {
  color: var(--accent-cyan);
}

.brand-divider {
  color: var(--text-muted);
  font-weight: 300;
  margin: 0 0.15rem;
}

.brand-sub {
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.6rem;
}

.nav-item {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  transition: var(--transition-smooth);
}

.nav-item:hover {
  color: var(--accent-cyan);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.lang-btn {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass);
  padding: 0.4rem 0.75rem;
  border-radius: 8px;
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.lang-btn:hover {
  border-color: var(--accent-cyan);
}

.lang-option {
  color: var(--text-muted);
  transition: var(--transition-smooth);
}

.lang-option.active {
  color: var(--accent-cyan);
}

.lang-divider {
  color: var(--border-glass);
}

.btn-header {
  padding: 0.55rem 1.25rem;
  font-size: 0.88rem;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  position: relative;
  z-index: 1;
  padding: 5.5rem 0 4.5rem;
  text-align: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 920px;
}

.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 1.1rem;
  border-radius: 100px;
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.25);
  font-size: 0.84rem;
  color: var(--accent-cyan);
  font-weight: 600;
  margin-bottom: 1.8rem;
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-cyan);
  box-shadow: 0 0 10px var(--accent-cyan);
  animation: pulse 2s infinite ease-in-out;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.35; transform: scale(0.8); }
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent-cyan) 0%, #38bdf8 50%, var(--accent-purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.18rem;
  color: var(--text-secondary);
  max-width: 760px;
  margin-bottom: 2.5rem;
  line-height: 1.65;
}

.hero-subtitle strong {
  color: var(--text-primary);
}

.hero-actions {
  display: flex;
  gap: 1.2rem;
  margin-bottom: 4rem;
  flex-wrap: wrap;
  justify-content: center;
}

/* Metrics Grid */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem;
  width: 100%;
}

.metric-card {
  padding: 1.5rem 1rem;
  text-align: center;
}

.metric-value {
  font-family: var(--font-heading);
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--accent-cyan);
  margin-bottom: 0.2rem;
  line-height: 1.1;
}

.metric-title {
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.metric-sub {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Section Headers
   ========================================================================== */
.section {
  position: relative;
  z-index: 1;
  padding: 5rem 0;
}

.section-border {
  border-top: 1px solid var(--border-glass);
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3.2rem;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--accent-cyan);
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.9rem, 3.5vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.9rem;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.6;
}

/* ==========================================================================
   Circular Images / Avatars (PPT Style)
   ========================================================================== */
.avatar-icon-circle,
.tech-avatar-circle,
.founder-avatar-circle,
.advisor-avatar-circle {
  width: 86px;
  height: 86px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--accent-cyan);
  box-shadow: 0 0 15px -3px var(--accent-glow-cyan);
  background: var(--bg-secondary);
  margin: 0 auto 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.avatar-icon-circle.alert {
  border-color: var(--accent-rose);
  box-shadow: 0 0 15px -3px rgba(244, 63, 94, 0.4);
}

.circle-thumb,
.avatar-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.glass-panel:hover .circle-thumb,
.glass-panel:hover .avatar-photo {
  transform: scale(1.08);
}

.tech-svg-icon {
  width: 40px;
  height: 40px;
  stroke: var(--accent-cyan);
  filter: drop-shadow(0 0 8px rgba(0, 240, 255, 0.45));
  transition: transform 0.3s ease, filter 0.3s ease;
}

.glass-panel:hover .tech-svg-icon {
  transform: scale(1.12);
  filter: drop-shadow(0 0 12px rgba(0, 240, 255, 0.7));
}

/* ==========================================================================
   Problem Section
   ========================================================================== */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.problem-card {
  padding: 2.2rem 1.8rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.card-heading {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
}

.card-desc {
  color: var(--text-secondary);
  font-size: 0.92rem;
  margin-bottom: 1.2rem;
  line-height: 1.55;
  flex-grow: 1;
}

.card-tag {
  font-size: 0.76rem;
  font-weight: 600;
  padding: 0.25rem 0.7rem;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
}

.highlight-alert {
  border-color: var(--border-alert);
}

.card-tag.alert {
  background: rgba(244, 63, 94, 0.12);
  color: var(--accent-rose);
  border: 1px solid rgba(244, 63, 94, 0.25);
}

.quote-strip {
  padding: 1.8rem 2.2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  background: linear-gradient(135deg, rgba(14, 22, 38, 0.8) 0%, rgba(8, 12, 22, 0.9) 100%);
}

.quote-symbol {
  font-size: 2.5rem;
  font-family: serif;
  color: var(--accent-cyan);
  line-height: 1;
}

.quote-text {
  font-size: 0.98rem;
  color: var(--text-secondary);
  font-style: italic;
  line-height: 1.6;
}

/* ==========================================================================
   Technology Grid (Clean 6-Card Grid)
   ========================================================================== */
.tech-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.tech-card {
  padding: 2rem 1.6rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.tech-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
}

.tech-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* Specs Bar */
.specs-bar {
  display: flex;
  justify-content: space-around;
  padding: 1.2rem 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
  background: linear-gradient(90deg, rgba(14, 22, 38, 0.9) 0%, rgba(10, 16, 30, 0.9) 100%);
}

.spec-pill {
  font-size: 0.84rem;
  color: var(--text-secondary);
}

.spec-name {
  color: var(--accent-cyan);
  font-weight: 700;
  margin-right: 0.3rem;
}

/* ==========================================================================
   Pilot Program (Timeline Grid)
   ========================================================================== */
.pilot-timeline-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.pilot-phase-card {
  padding: 1.8rem 1.4rem;
  display: flex;
  flex-direction: column;
}

.phase-number-badge {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--accent-cyan);
  margin-bottom: 0.3rem;
}

.phase-time {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 0.8rem;
}

.phase-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
}

.phase-desc {
  font-size: 0.86rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.callout-box {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2rem 2.4rem;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.callout-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.callout-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   Alliances & Partners
   ========================================================================== */
.partners-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.partner-badge-card {
  padding: 1.6rem 1.2rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 140px;
}

.partner-logo-img {
  max-height: 42px;
  max-width: 140px;
  object-fit: contain;
  margin-bottom: 0.8rem;
  filter: brightness(0.95);
  transition: var(--transition-smooth);
}

.partner-badge-card:hover .partner-logo-img {
  filter: brightness(1.15) drop-shadow(0 0 10px rgba(0, 240, 255, 0.4));
  transform: scale(1.04);
}

.dual-partner-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.1rem;
  margin-bottom: 0.8rem;
}

.partner-logo-img-mini {
  max-height: 28px;
  max-width: 90px;
  object-fit: contain;
  filter: brightness(0.95);
  transition: var(--transition-smooth);
}

.partner-badge-card:hover .partner-logo-img-mini {
  filter: brightness(1.2) drop-shadow(0 0 8px rgba(0, 240, 255, 0.45));
  transform: scale(1.05);
}

.partner-role-text {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
}

.collab-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.8rem;
  padding: 2.2rem;
}

.collab-head {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent-cyan);
  margin-bottom: 0.5rem;
}

.collab-p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* ==========================================================================
   Team Section
   ========================================================================== */
.team-cards-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.founder-card {
  padding: 2rem 1.4rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.founder-name {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.2rem;
}

.founder-role {
  font-size: 0.82rem;
  color: var(--accent-cyan);
  font-weight: 600;
  margin-bottom: 0.7rem;
  display: block;
}

.founder-bio {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.advisor-row {
  display: flex;
  justify-content: center;
}

.advisor-box {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1.5rem 2.2rem;
  max-width: 580px;
}

.advisor-avatar-circle {
  margin: 0;
}

.advisor-info {
  text-align: left;
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact-card {
  padding: 4rem 2.5rem;
  text-align: center;
  background: linear-gradient(135deg, rgba(14, 22, 38, 0.95) 0%, rgba(5, 8, 17, 0.98) 100%);
  border-color: rgba(0, 240, 255, 0.3);
  box-shadow: 0 20px 50px -20px var(--accent-glow-cyan);
  max-width: 860px;
  margin: 0 auto;
}

.contact-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3.8vw, 2.6rem);
  font-weight: 800;
  margin-bottom: 1rem;
}

.contact-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto 2.4rem;
}

.contact-btn-group {
  display: flex;
  gap: 1.2rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2.2rem;
}

.contact-footer-pills {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
  font-size: 0.84rem;
  color: var(--text-muted);
}

.pill-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-glass);
  padding: 0.3rem 0.75rem;
  border-radius: 6px;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  border-top: 1px solid var(--border-glass);
  padding: 4rem 0 3rem;
  background: #03050a;
}

.footer-layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 3rem;
}

.footer-brand-side {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.footer-tagline {
  color: var(--text-secondary);
  font-size: 0.9rem;
  max-width: 380px;
}

.footer-copyright {
  color: var(--text-muted);
  font-size: 0.8rem;
  margin-top: 0.6rem;
}

.footer-links-side {
  display: flex;
  gap: 3rem;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.6rem;
}

.footer-col a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.88rem;
  transition: var(--transition-smooth);
}

.footer-col a:hover {
  color: var(--accent-cyan);
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1080px) {
  .team-cards-row {
    grid-template-columns: repeat(2, 1fr);
  }
  .tech-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pilot-timeline-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .partners-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 860px) {
  .nav-links {
    display: none;
  }
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .problem-grid,
  .collab-grid {
    grid-template-columns: 1fr;
  }
  .footer-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .metrics-grid,
  .tech-cards-grid,
  .pilot-timeline-grid,
  .partners-row,
  .team-cards-row {
    grid-template-columns: 1fr;
  }
  .advisor-box {
    flex-direction: column;
    text-align: center;
  }
  .advisor-info {
    text-align: center;
  }
  .hero-actions, .contact-btn-group {
    flex-direction: column;
    width: 100%;
  }
  .btn-primary, .btn-ghost {
    width: 100%;
    justify-content: center;
  }
  .callout-box {
    flex-direction: column;
    text-align: center;
  }
  .footer-links-side {
    flex-direction: column;
    gap: 1.5rem;
  }
}