/* Base */
*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  --bg: #050610;
  --bg-alt: #0b0d18;
  --card: #111524;
  --card-alt: #151a2b;
  --accent: #2fb5ff;
  --accent-soft: rgba(47, 181, 255, 0.12);
  --text: #f7f8ff;
  --text-muted: #a1a6c5;
  --border-subtle: #242840;
  --shadow-soft: 0 18px 40px rgba(0, 0, 0, 0.5);
  --radius-lg: 18px;
  --radius-xl: 26px;
  --transition-fast: 0.18s ease-out;
  --max-width: 1080px;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background: radial-gradient(circle at top, #101632 0, #02030a 55%, #000 100%);
  color: var(--text);
}

/* Layout */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 16px;
}

.section {
  padding: 72px 0;
}

.section.alt {
  background: radial-gradient(circle at top, #0c1024 0, #02030a 60%, #000 100%);
}

.section-header {
  max-width: 650px;
  margin: 0 auto 40px auto;
  text-align: center;
}

.section-header h2 {
  font-size: 1.9rem;
  margin: 0 0 12px;
}

.section-header p {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Header / Nav */
.site-header {
  background: #f6f7fb;  /* light gray */
  border-bottom: 1px solid #d9dbe3;
}

.nav-container {
  position: relative;              /* <-- add this line */
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
}

.logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.logo-img {
  height: 44px;
}


.logo-mark {
  width: 30px;
  height: 30px;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 30%, #3ad1ff, #215cff);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  color: #fff;
  box-shadow: 0 15px 30px rgba(5, 118, 255, 0.6);
}

.logo-text {
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.95rem;
}

/* Hamburger nav (used on all screen sizes) */
.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: #2a303f;
  border: none;
  padding: 6px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 4px 0;
  background: #ffffff;   /* dark line so it shows on light header */
  border-radius: 999px;
  transition: transform 0.18s ease-out, opacity 0.18s ease-out;
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.open span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Overlay menu */


.main-nav {
  position: absolute;
  top: 48px;                       /* just under the header bar */
  right: 10px;                     /* aligned with the hamburger */
  background: rgba(3, 4, 20, 0.97);
  border-radius: 12px;
  border: 1px solid rgba(112, 132, 255, 0.45);
  padding: 10px 14px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  min-width: 190px;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.35);

  opacity: 0;
  transform: translateY(-4px);
  pointer-events: none;
  transition: opacity 0.16s ease-out, transform 0.16s ease-out;
  z-index: 1000;                   /* above hero image */
}

.main-nav.open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.main-nav a {
  text-decoration: none;
  color: #e4e7ff;
  font-size: 0.9rem;
  padding: 4px 0;
}

.main-nav .nav-cta {
  margin-top: 4px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(47, 181, 255, 0.16);
  border: 1px solid rgba(47, 181, 255, 0.6);
}



/* Hero */
.hero {
  position: relative;
  padding: 90px 0 70px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url("https://www.sabertek.com/images/bannerHome1.jpg");
  background-size: cover;
  background-position: center;
  opacity: 0.18;
  filter: blur(1px);
  transform: scale(1.05);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top, rgba(0, 0, 0, 0) 0, #02030a 75%);
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2.7fr);
  gap: 40px;
  align-items: center;
}

.hero-copy h1 {
  font-size: 2.4rem;
  margin: 0 0 14px;
}

.hero-subtitle {
  margin: 0 0 18px;
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 500px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.hero-tags span {
  font-size: 0.75rem;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(15, 116, 255, 0.14);
  border: 1px solid rgba(47, 181, 255, 0.4);
  color: #e0f4ff;
}

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

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

.hero-card {
  background: radial-gradient(circle at top left, #1f2850, #060816);
  border-radius: var(--radius-xl);
  padding: 22px 22px 24px;
  border: 1px solid rgba(79, 115, 255, 0.35);
  box-shadow: var(--shadow-soft);
  max-width: 380px;
}

.hero-card h2 {
  margin: 10px 0 8px;
  font-size: 1.15rem;
}

.hero-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.hero-card.image-card {
  padding-top: 18px;
}

/* small image strip with your two banner photos */
.hero-image-strip {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  border-radius: 15px;
  overflow: hidden;
}

.hero-image-strip img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 16px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: transform var(--transition-fast),
    box-shadow var(--transition-fast),
    background var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast);
}

.btn.primary {
  background: linear-gradient(135deg, #35c6ff, #3e6bff);
  color: #02020a;
  box-shadow: 0 12px 30px rgba(20, 125, 255, 0.55);
}

.btn.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 40px rgba(20, 125, 255, 0.7);
}

.btn.ghost {
  background: transparent;
  border-color: rgba(140, 149, 255, 0.7);
  color: #e4e6ff;
}

.btn.ghost:hover {
  background: rgba(18, 26, 70, 0.9);
}

.btn.full-width {
  width: 100%;
}

/* Cards */
.cards-grid {
  display: grid;
  gap: 20px;
}

.card {
  background: var(--card);
  border-radius: var(--radius-lg);
  padding: 18px 18px 20px;
  border: 1px solid var(--border-subtle);
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.45);
}

.card h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.card p,
.card ul {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.6;
}

.card ul {
  padding-left: 18px;
}

/* IoT visual section */
.iot-layout {
  display: grid;
  gap: 24px;
  align-items: center;
}

.iot-image-box {
  background: rgba(0, 0, 0, 0.2);
  border-radius: var(--radius-lg);
  padding: 10px;
  border: 1px solid var(--border-subtle);
}

.iot-image-box img {
  display: block;
  width: 100%;
  height: auto;
}

.bullets {
  margin: 0;
  padding-left: 18px;
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.6;
}

/* IP Portfolio */
.ip-grid {
  display: grid;
  gap: 22px;
  margin-bottom: 30px;
}

.ip-column {
  background: var(--card-alt);
  border-radius: var(--radius-lg);
  padding: 18px 18px 20px;
  border: 1px solid var(--border-subtle);
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.45);
}

.ip-column h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.ip-column p {
  margin: 0 0 10px;
  color: var(--text-muted);
}

.ip-column ul {
  margin: 0 0 10px;
  padding-left: 18px;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.muted {
  color: var(--text-muted);
  font-size: 0.88rem;
}

.callout {
  background: radial-gradient(circle at top left, #202b55, #080a16);
  border-radius: var(--radius-xl);
  padding: 20px 20px 22px;
  border: 1px solid rgba(106, 148, 255, 0.6);
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
  gap: 16px;
  align-items: center;
}

.callout h3 {
  margin: 0 0 6px;
  font-size: 1.05rem;
}

.callout p {
  margin: 0;
  color: var(--text-muted);
}

.ecosystem-image img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 14px;
}

/* Markets */
.markets-grid {
  display: grid;
  gap: 18px;
}

.market-item {
  background: var(--card);
  border-radius: var(--radius-lg);
  padding: 16px 16px 18px;
  border: 1px solid var(--border-subtle);
}

.market-item h3 {
  margin: 0 0 6px;
  font-size: 1.02rem;
}

.market-item p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.92rem;
}

/* Company */
.company-layout {
  display: grid;
  gap: 24px;
}

.company-layout h3 {
  margin: 0 0 8px;
}

.company-layout p {
  margin: 0 0 10px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Careers */
.careers-box {
  background: var(--card);
  border-radius: var(--radius-lg);
  padding: 18px 18px 20px;
  border: 1px solid var(--border-subtle);
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}

.career-email a {
  color: var(--accent);
  text-decoration: none;
}

.career-email a:hover {
  text-decoration: underline;
}

.tiny {
  font-size: 0.75rem;
}

/* Contact */
.contact {
  padding-bottom: 90px;
}

.contact-layout {
  display: grid;
  gap: 26px;
}

.contact-details p {
  margin: 0 0 6px;
  color: var(--text-muted);
}

.contact-details a {
  color: var(--accent);
  text-decoration: none;
}

.contact-details a:hover {
  text-decoration: underline;
}

.contact-form {
  background: var(--card);
  border-radius: var(--radius-lg);
  padding: 18px 18px 20px;
  border: 1px solid var(--border-subtle);
}

.form-row {
  margin-bottom: 12px;
}

.form-row label {
  display: block;
  font-size: 0.85rem;
  margin-bottom: 4px;
  color: var(--text-muted);
}

.form-row input,
.form-row textarea {
  width: 100%;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid #3a3f63;
  background: #050717;
  color: var(--text);
  font: inherit;
}

.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--accent);
}

/* Footer */
.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 16px 0 20px;
  background: #020310;
}

.footer-layout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.footer-layout p {
  margin: 0;
  font-size: 0.8rem;
}

.footer-layout .muted {
  font-size: 0.78rem;
}

/* Responsive */
@media (min-width: 720px) {
  .cards-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .ip-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .markets-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .company-layout {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .contact-layout {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1.7fr);
  }

  .iot-layout {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1.3fr);
  }
}

@media (max-width: 799px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-panel {
    justify-content: flex-start;
  }

  .hero-card {
    max-width: 100%;
  }

  .callout {
    grid-template-columns: minmax(0, 1fr);
  }

.ip-family-grid {
  /* already uses .cards-grid base; this just tweaks hover */
}

.ip-family-card {
  text-decoration: none;
  color: inherit;
  transition: transform 0.15s ease-out, box-shadow 0.15s ease-out,
    border-color 0.15s ease-out;
}

.ip-family-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.55);
  border-color: rgba(106, 148, 255, 0.8);
}


}
.ip-section-title {
  margin: 42px 0 10px;
  font-size: 1.25rem;
}

.ip-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 10px;
  font-size: 0.9rem;
}

.ip-table th,
.ip-table td {
  padding: 8px 10px;
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.ip-table th {
  background: rgba(10, 15, 36, 0.9);
  font-weight: 600;
}

.ip-table tbody tr:nth-child(even) {
  background: rgba(8, 10, 24, 0.6);
}
.ip-family-card h3 {
  color: #4cc3ff;           /* bright cyan-blue for high contrast */
  margin: 0 0 6px;
}

.ip-family-card:hover h3 {
  color: #82d9ff;           /* lighter on hover */
}
.market-card {
  text-decoration: none;
  color: inherit;
  transition: transform 0.15s ease-out, box-shadow 0.15s ease-out;
}

.market-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 36px rgba(0,0,0,0.45);
  border-color: rgba(106,148,255,0.7);
}
/* Market / application pages */
.market-hero {
  padding: 80px 0 30px;
}

.market-hero h1 {
  font-size: 2rem;
  margin: 0 0 10px;
}

.market-hero p {
  margin: 0;
  max-width: 720px;
  color: #c7cce0;
  line-height: 1.6;
}

.market-section {
  padding: 30px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.market-section-title {
  margin: 0 0 10px;
  font-size: 1.4rem;
}

.market-text {
  color: #c7cce0;
  line-height: 1.7;
  font-size: 0.95rem;
  margin: 0 0 10px;
}

.market-grid {
  display: grid;
  gap: 22px;
}

.market-card-lite {
  background: rgba(10, 12, 28, 0.9);
  border-radius: 16px;
  padding: 16px 18px 18px;
  border: 1px solid rgba(40, 56, 110, 0.7);
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.45);
}

.market-card-lite h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.market-card-lite p,
.market-card-lite ul {
  margin: 0;
  color: #c7cce0;
  font-size: 0.92rem;
  line-height: 1.6;
}

.market-card-lite ul {
  padding-left: 18px;
}

.market-taglist {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 12px 0 0;
}

.market-tag {
  font-size: 0.75rem;
  padding: 4px 8px;
  border-radius: 999px;
  border: 1px solid rgba(76, 195, 255, 0.6);
  background: rgba(20, 32, 70, 0.8);
  color: #d8f3ff;
}

.market-back {
  margin-top: 30px;
}

.market-back a {
  color: #4cc3ff;
  text-decoration: none;
  font-size: 0.9rem;
}

.market-back a:hover {
  text-decoration: underline;
}

@media (min-width: 720px) {
  .market-grid.two-cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
.ip-link {
  color: #4cc3ff;
  text-decoration: none;
  font-weight: 600;
}

.ip-link:hover {
  text-decoration: underline;
}

.ip-actions {
  white-space: nowrap;
}

.ip-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 10px;
  margin-right: 6px;
  border-radius: 999px;
  border: 1px solid rgba(76, 195, 255, 0.9);
  background: rgba(10, 26, 50, 0.9);
  font-size: 0.78rem;
  color: #e5f5ff;
  text-decoration: none;
}

.ip-btn.secondary {
  border-color: rgba(150, 160, 220, 0.8);
  background: transparent;
  color: #c7cce0;
}

.ip-btn:hover {
  background: rgba(76, 195, 255, 0.2);
}