:root {
      --bg-page: #f5f7fb;
      --bg-elevated: #ffffff;
      --bg-alt: #ffffff;
      --bg-hero-from: #0d3b8c;
      --bg-hero-to: #00214d;
      --border-subtle: #e5e7eb;
      --border-soft: #dde4f0;
      --text-main: #1b2533;
      --text-muted: #4b5563;
      --text-soft: #6b7280;
      --text-hero-main: #f9fafb;
      --text-hero-muted: rgba(249, 250, 251, 0.82);
      --blue-main: #0062ff;
      --blue-dark: #0050d4;
      --blue-soft-bg: #eff6ff;
      --shadow-soft: 0 12px 32px rgba(15, 23, 42, 0.06);
      --shadow-hero: 0 22px 60px rgba(15, 23, 42, 0.55);
      --radius-md: 12px;
      --radius-lg: 16px;
      --section-padding-y: 80px;
      --container-width: 1120px;
    }

    * { margin: 0; padding: 0; box-sizing: border-box; }

    body {
      font-family: "DM Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      line-height: 1.6;
      color: var(--text-main);
      background-color: var(--bg-page);
    }

    img { max-width: 100%; display: block; }

    .container {
      width: min(var(--container-width), 100% - 48px);
      margin-inline: auto;
      margin-top: 10px;
    }

    a { text-decoration: none; color: inherit; }

    /* NAVBAR */
    header {
      background: #ffffff;
      border-bottom: 1px solid rgba(226, 232, 240, 0.9);
    }

    .nav {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding-block: 14px;
    }

    .nav-left {
      display: flex;
      align-items: center;
      gap: 32px;
    }

    .logo img { height: 42px; }

    .nav-menu {
      list-style: none;
      display: flex;
      gap: 24px;
      font-size: 14px;
    }

    .nav-link {
      position: relative;
      color: #4b5563;
      padding-bottom: 4px;
    }

    .nav-link::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: 0;
      width: 0;
      height: 2px;
      border-radius: 999px;
      background: linear-gradient(90deg, #0062ff, #00b4ff);
      transition: width 160ms ease;
    }

    .nav-link:hover::after,
    .nav-link--active::after {
      width: 100%;
    }

    .nav-actions {
      display: flex;
      gap: 10px;
    }

    .btn-nav {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 500;
      padding: 8px 16px;
      border: 1px solid transparent;
      cursor: pointer;
      transition: background-color 150ms ease, color 150ms ease, border-color 150ms ease, box-shadow 150ms ease;
    }

    .btn-nav--outline {
      border-color: var(--blue-main);
      color: var(--blue-main);
      background-color: transparent;
    }

    .btn-nav--outline:hover {
      background-color: rgba(37, 99, 235, 0.06);
    }

    .btn-nav--primary {
      background-color: var(--blue-main);
      border-color: var(--blue-main);
      color: #ffffff;
      box-shadow: 0 10px 30px rgba(37, 99, 235, 0.35);
    }

    .btn-nav--primary:hover {
      background-color: var(--blue-dark);
      border-color: var(--blue-dark);
      box-shadow: 0 14px 40px rgba(37, 99, 235, 0.5);
    }

    /* GENERIC BUTTON */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 1px;
      font-size: 14px;
      font-weight: 500;
      padding: 10px 20px;
      border: 1px solid transparent;
      cursor: pointer;
      transition: background-color 150ms ease, color 150ms ease, border-color 150ms ease, box-shadow 150ms ease;
    }

    .btn-primary {
      background-color: var(--blue-main);
      border-color: var(--blue-main);
      color: #ffffff;
      box-shadow: 0 10px 30px rgba(37, 99, 235, 0.35);
    }

    .btn-primary:hover {
      background-color: var(--blue-dark);
      border-color: var(--blue-dark);
      box-shadow: 0 14px 40px rgba(37, 99, 235, 0.5);
    }

    .btn-ghost {
      background-color: transparent;
      border-color: rgba(148, 163, 184, 0.7);
      color: #ffffff;
    }

    .btn-ghost:hover {
      color: #ffffff;
      border-color: #ffffff;
    }

    /* SECTIONS */
    .section {
      padding-block: var(--section-padding-y);
    }

    .section--alt {
      background-color: var(--bg-alt);
    }

    .section-header {
      text-align: center;
      margin: 0 auto 48px;
      max-width: 640px;
    }

    .section-title {
      font-family: "Poppins", system-ui;
      font-size: 26px;
      font-weight: 600;
      letter-spacing: 0.01em;
      color: #111827;
    }

    .section-divider {
      display: inline-block;
      width: 56px;
      height: 2px;
      margin-top: 16px;
      border-radius: 999px;
      background: linear-gradient(90deg, #0062ff, #00b4ff);
    }

    .section-intro {
      margin-top: 18px;
      font-size: 14px;
      line-height: 1.7;
      color: var(--text-soft);
    }

    /* HERO */
    .hero {
      background: url('../assets/generated-image (1).png') no-repeat center center;
      background-size: cover;
      color: var(--text-hero-main);
      padding: 72px 0 88px;
      position: relative;
      margin-top: 4rem;
    }

    .hero-inner {
      display: grid;
      grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
      gap: 56px;
      align-items: center;
    }

    .hero-eyebrow {
      display: inline-flex;
      align-items: center;
      padding: 4px 12px;
      margin-bottom: 18px;
      border-radius: 999px;
      border: 1px solid rgba(191, 219, 254, 0.4);
      font-size: 11px;
      text-transform: uppercase;
      letter-spacing: 0.14em;
      color: #bfdbfe;
    }

    .hero-title {
      font-family: "Poppins", system-ui;
      font-size: 40px;
      line-height: 1.2;
      font-weight: 600;
      margin-bottom: 14px;
    }

    .hero-subtitle {
      font-size: 15px;
      line-height: 1.7;
      color: var(--text-hero-muted);
      max-width: 32rem;
      margin-bottom: 24px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .hero-secondary {
      margin-top: 18px;
      font-size: 13px;
      color: rgba(209, 213, 219, 0.85);
    }

    .hero-media {
      display: flex;
      justify-content: flex-end;
    }

    .hero-card {
      background: radial-gradient(circle at top left, #1f3b8a 0, #020617 70%);
      border-radius: var(--radius-lg);
      padding: 18px;
      border: 1px solid rgba(148, 163, 184, 0.35);
      box-shadow: var(--shadow-hero);
      max-width: 420px;
      width: 100%;
    }

    .hero-img {
      border-radius: 12px;
      width: 100%;
      height: auto;
      object-fit: cover;
    }

    /* PROBLEM & SOLUTION */
    .ps-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 40px;
    }

    .ps-card {
      padding: 28px 26px;
      border-radius: var(--radius-md);
      background-color: #f9fafb;
      border: 1px solid var(--border-subtle);
    }

    .ps-card h3 {
      font-size: 16px;
      font-weight: 600;
      margin-bottom: 12px;
      color: #111827;
    }

    .ps-card p {
      font-size: 14px;
      line-height: 1.8;
      color: var(--text-muted);
    }

    /* Features grid layout */
  .features-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
  }

  /* Fixed-height feature cards */
  .feature-card {
    position: relative;
    background-color: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    padding: 18px 16px 16px;
    cursor: default;
    transition: background-color 160ms ease, border-color 160ms ease,
                box-shadow 160ms ease, transform 160ms ease;
    min-height: 190px;              /* enough room for big SVG + title + paragraph */
    display: flex;
    flex-direction: column;
  }

  /* Top block: SVG on top, title below */
  .feature-card__top--stacked {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 6px;
  }

  /* Larger, cleaner line SVGs */
  .feature-svg {
    width: 44px;
    height: 44px;
    stroke: #2563eb;
    stroke-width: 1.6;
    fill: none;
  }

  .feature-svg rect,
  .feature-svg circle,
  .feature-svg line,
  .feature-svg polyline {
    stroke: currentColor;
  }

  .feature-card {
    color: #2563eb;  /* base icon stroke color via currentColor */
  }

  .feature-title {
    font-size: 14px;
    font-weight: 600;
    color: #111827;
  }

  /* Paragraph present, but subtle until hover */
  .feature-body {
    font-size: 13px;
    line-height: 1.7;
    color: #111827;
    opacity: 0.45;
    transition: opacity 140ms ease, color 140ms ease;
    margin-top: 6px;
  }

  /* Hover: blue background, white text, stronger paragraph */
  .feature-card--hover:hover {
    background: #1d4ed8;
    border-color: #1d4ed8;
    box-shadow: 0 18px 36px rgba(37, 99, 235, 0.45);
    transform: translateY(-3px);
    color: #bfdbfe;  /* updates SVG stroke via currentColor */
  }

  .feature-card--hover:hover .feature-title {
    color: #f9fafb;
  }

  .feature-card--hover:hover .feature-body {
    color: #f9fafb;
    opacity: 1;
  }

  /* Responsive */
  @media (max-width: 1024px) {
    .features-grid {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }
  }

  @media (max-width: 640px) {
    .features-grid {
      grid-template-columns: minmax(0, 1fr);
    }
  }

    /* TECHNICAL DATA – DARK SECTION WITH EXPANDABLE LABELS */
   /* TECHNICAL DATA – DARK SECTION WITH 2-COLUMN FLAT CARDS */
.technical-section {
  padding-block: var(--section-padding-y);
  background: #111827;
  color: #f9fafb;
}

.technical-section .section-title {
  color: #f9fafb;
}

.technical-section .section-intro {
  color: rgba(243, 244, 246, 0.8);
}

.technical-section .section-divider {
  background: linear-gradient(90deg, #60a5fa, #a5b4fc);
}

/* 2-column grid of flat cards */
/* TECHNICAL DATA – DARK BACKGROUND, GRID OF HOVER CARDS */
.technical-section {
  padding-block: var(--section-padding-y);
  background: #0b0f19;
  color: #f9fafb;
}

.technical-section .section-title {
  color: #f9fafb;
}

.technical-section .section-intro {
  color: rgba(243, 244, 246, 0.82);
}

.technical-section .section-divider {
  background: linear-gradient(90deg, #60a5fa, #a5b4fc);
}

/* Grid of individual cards */
.tech-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin: 0 auto;
  max-width: 1200px;
  padding: 0 20px;
}

.tech-item {
  background: #020617;
border-radius: 8px;
  padding: 20px;
  flex: 1 1 300px;
  max-width: 350px;
  min-width: 250px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
/* Hover “uplift” */
.tech-item:hover {
  border-color: #3b82f6;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.7);
  transform: translateY(-3px);
}

.tech-item__title {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 6px;
  color: #f9fafb;
}

.tech-item__body {
  font-size: 13px;
  line-height: 1.7;
  color: #e5e7eb;
}

/* Responsive */
@media (max-width: 1024px) {
  .tech-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .tech-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}


   .usecases-layout {
    display: grid;
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.4fr);
    gap: 32px;
    align-items: flex-start;
  }

  .usecases-copy {
    font-size: 14px;
  }

  .usecases-eyebrow {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: #6b7280;
    margin-bottom: 6px;
    font-weight: 500;
  }

  .usecases-text {
    color: #4b5563;
    line-height: 1.7;
  }

  .usecases-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .usecase-chip {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 12px;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    transition: border-color 150ms ease, background-color 150ms ease,
                box-shadow 150ms ease, transform 150ms ease;
  }

  .usecase-symbol {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }

  .usecase-symbol svg {
    width: 22px;
    height: 22px;
    stroke-width: 1.6;
    stroke: #0f172a;
    fill: none;
  }

  .usecase-symbol svg rect,
  .usecase-symbol svg circle,
  .usecase-symbol svg line,
  .usecase-symbol svg polyline,
  .usecase-symbol svg polygon {
    stroke: currentColor;
  }

  /* Color accents – softer than features */
  .usecase-symbol--blue  { background: #e0edff; color: #1d4ed8; }
  .usecase-symbol--teal  { background: #ccfbf1; color: #0f766e; }
  .usecase-symbol--indigo{ background: #e0e7ff; color: #4f46e5; }
  .usecase-symbol--green { background: #dcfce7; color: #15803d; }
  .usecase-symbol--amber { background: #fef3c7; color: #b45309; }
  .usecase-symbol--slate { background: #e5e7eb; color: #334155; }

  .usecase-content {
    display: flex;
    flex-direction: column;
    gap: 2px;
  }

  .usecase-title {
    font-size: 13px;
    font-weight: 600;
    color: #111827;
  }

  .usecase-body {
    font-size: 12px;
    color: #6b7280;
    line-height: 1.6;
  }

  .usecase-chip:hover {
    border-color: #d0defe;
    background: #f9fbff;
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.12);
    transform: translateY(-2px);
  }

  @media (max-width: 900px) {
    .usecases-layout {
      grid-template-columns: minmax(0, 1fr);
      gap: 24px;
    }
  }

  @media (max-width: 640px) {
    .usecases-grid {
      grid-template-columns: minmax(0, 1fr);
    }
  }

  /* System Architecture section */
.architecture-section {
  padding-block: var(--section-padding-y);
  background: #020617;
  color: #e5e7eb;
}

.architecture-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 32px;
}

.architecture-title {
  font-family: "Poppins", system-ui;
  font-size: 24px;
  font-weight: 600;
  color: #f9fafb;
}

.architecture-divider {
  display: block;
  width: 56px;
  height: 2px;
  margin-top: 10px;
  border-radius: 999px;
  background: linear-gradient(90deg, #60a5fa, #38bdf8);
}

.architecture-subtitle {
  max-width: 420px;
  font-size: 14px;
  color: #9ca3af;
  line-height: 1.7;
}

/* Layout: text + image */
.architecture-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.4fr);
  gap: 40px;
  align-items: center;
}

/* Bullet list */
.architecture-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.architecture-bullets li {
  display: flex;
  gap: 12px;
}

.bullet-label {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 20%, #38bdf8, #1d4ed8);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  color: #f9fafb;
}

.architecture-bullets h3 {
  font-size: 14px;
  font-weight: 600;
  color: #f9fafb;
  margin-bottom: 4px;
}

.architecture-bullets p {
  font-size: 13px;
  line-height: 1.7;
  color: #cbd5f5;
}

/* Image block */
.architecture-visual {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(148, 163, 184, 0.4);
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.8);
  background: radial-gradient(circle at top left, #0d3b8c 0%, #020617 55%, #020617 100%);
}

.architecture-image {
  width: 100%;
  display: block;
  vertical-align: middle;
}

/* Responsive */
@media (max-width: 900px) {
  .architecture-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }

  .architecture-visual {
    order: -1; /* image on top on mobile if you prefer */
  }

  .architecture-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
}

    /* CTA */
    .cta {
      background: linear-gradient(90deg, #0b1220, #020617);
      color: #e5e7eb;
      padding-block: 60px;
    }

    .cta-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 32px;
    }

    .cta-title {
      font-size: 22px;
      font-weight: 600;
      margin-bottom: 6px;
    }

    .cta-subtitle {
      font-size: 14px;
      color: #9ca3af;
    }

    .cta-form {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .cta-input {
      min-width: 260px;
      padding: 10px 12px;
      border-radius: 999px;
      border: 1px solid #4b5563;
      background-color: #020617;
      color: #e5e7eb;
      font-size: 14px;
    }

    .cta-input::placeholder {
      color: #6b7280;
    }
    .navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 70px;
    background: #fff;
    border-bottom: 1px solid #eee;
    z-index: 1000;
    display: flex;
    align-items: center;
  }
  
  .nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18rem 0rem;
    height: 100%;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
  }
  
  .logo {
    width: 16rem;
    margin-left:0rem;
  }
  
  /* Navbar Links */
  .nav-links {
    display: flex;
    gap: 3rem;
    justify-content: center;
    align-items: center;
    font-size: 0.5rem;

  }
  
  /* Nav Buttons Container */
  .nav-buttons {
    display: flex;
    gap: 1rem;
    align-items: center;
    margin-left:2rem;
  }
  
  /* Menu Toggle */
  .menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
  }
  
  /* Button Base Styles */
  .btn-nav {
    padding: 0.3rem 1.2rem;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    white-space: nowrap;
    outline: none;  /* Removes focus outline */
  }
  
  /* Primary Button */
  .btn-primary {
    background: #0d6efd;
    color: white !important;
    border: 2px solid #0d6efd;
  }
  
  .btn-primary:hover {
    background: #0b5ed7;
    border-color: #0b5ed7;
    transform: translateY(-2px );
  }
  
  /* Outline Button */
  .btn-outline {
    background: transparent;
    color: #0d6efd !important;
    border: 2px solid #0d6efd;
  }
  
  .btn-outline:hover {
    background: rgba(13, 110, 253, 0.1);
    transform: translateY(-2px);
  }
  
  .nav-links a {
    color: #333;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s;
    display: flex;         /* ✅ Makes sure links align nicely */
    align-items: center;
    height: 100%;          /* keeps them consistent */
    outline: none !important;         /* Removes the focus outline */
    text-decoration: none;
    position: relative;
  }
  
  /* Active link style */
  .nav-links a.active,
  .nav-links a:active,
  .nav-links a:focus,
  .nav-links a:hover {
    color: #0d6efd;
  }
  
  /* Add underline effect only to navigation links (not buttons) */
  .nav-links > ul > li > a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: #0d6efd;
    transition: width 0.3s ease;
  }
  
  .nav-links > ul > li > a:hover::after,
  .nav-links > ul > li > a.active::after {
    width: 100%;
  }
  
  /* Remove focus outline for all interactive elements */
  .nav-links a:focus,
  .nav-links button:focus,
  .nav-links .btn:focus,
  .nav-links a:active,
  .nav-links button:active,
  .nav-links .btn:active {
    outline: none !important;
    box-shadow: none !important;
  }
  
  .nav-links .btn-primary {
    padding: 0.3rem 1rem;
    border-radius: 6px;
    font-weight: 600;
    margin-left: 0rem;
  }
  
  
  .btn-secondary {
    background: transparent;
    border: 2px solid #fff;
    color: #fff !important;
    padding: 0.3rem 1rem;
    border-radius: 6px;
    margin-left: 0.5rem;
    transition: 0.3s;
  }
  
  .btn-secondary:hover {
    background: #fff;

  }

    /* FOOTER */
    footer {
      background: #0b1120;
      color: #e5e7eb;
      padding-block: 36px 40px;
      font-size: 13px;
    }

    .footer-grid {
      width: min(var(--container-width), 100% - 48px);
      margin-inline: auto;
      display: grid;
      grid-template-columns: 2fr 1.5fr 2fr;
      gap: 32px;
    }

    .footer-title {
      font-size: 15px;
      font-weight: 600;
      margin-bottom: 10px;
    }

    .footer-text {
      color: #9ca3af;
    }

    .footer-links {
      list-style: none;
      margin-top: 8px;
    }

    .footer-links li {
      margin-bottom: 8px;
      color: #9ca3af;
    }

    .footer-links a:hover {
      color: #ffffff;
    }

    /* RESPONSIVE */
    @media (max-width: 1024px) {
      .features-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .use-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .footer-grid { grid-template-columns: 1.4fr 1fr 1.6fr; }
    }

    @media (max-width: 768px) {
      header { position: static; }
      .nav { flex-direction: column; gap: 12px; align-items: flex-start; }
      .nav-menu { flex-wrap: wrap; }
      .hero { padding: 72px 0 64px; }
      .hero-inner { grid-template-columns: minmax(0, 1fr); gap: 40px; }
      .hero-media { justify-content: flex-start; }
      .hero-title { font-size: 32px; }
      .section { padding-block: 56px; }
      .ps-grid { grid-template-columns: minmax(0, 1fr); gap: 24px; }
      .features-grid,
      .use-grid { grid-template-columns: minmax(0, 1fr); }
      .cta-inner { flex-direction: column; align-items: flex-start; }
      .footer-grid { grid-template-columns: 1fr; }
      .tech-pill-row { max-width: 100%; }
      .tech-pill summary { flex-direction: column; align-items: flex-start; }
      .tech-pill__meta { font-size: 11px; }
    }

    @media (max-width: 480px) {
      .container { width: min(100% - 32px, var(--container-width)); }
      .cta-input { width: 100%; }
    }