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

html, body {
  width: 100%;
  height: 100%;
  overflow-x: hidden;
  background: #0b0f14;
}

/* GLOBAL SAFETY */
/* NAVBAR */
/* LOGO SUBTLE ANIMATION */
.logo-anim {
  opacity: 0;
  transform: translateY(6px) scale(0.98);
  animation: logoFadeIn 1.2s ease-out forwards;
}

/* Hover effect */
.logo-anim:hover {
  transform: scale(1.05);
  filter: drop-shadow(0 0 10px rgba(95, 179, 255, 0.35));
  transition: all 0.3s ease;
}

/* Keyframes */
@keyframes logoFadeIn {
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  height: 72px;
  background: rgba(11, 15, 20, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  z-index: 999;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  height: 100%;
  padding: 0 24px;

  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-logo img {
  height: 36px;
}

.nav-logo span {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.nav-links a {
  margin-left: 28px;
  text-decoration: none;
  font-size: 14px;
  color: rgba(255,255,255,0.8);
  transition: color 0.3s ease;
}

.nav-links a:hover {
  color: #5fb3ff;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background-color: #0b0f14;
  color: #ffffff;
  width: 100%;
  overflow-x: hidden;
}

/* HERO SECTION */
.hero {
  min-height: 100vh;
  width: 100%;
  background: radial-gradient(
      circle at top,
      rgba(0, 120, 255, 0.15),
      transparent 40%
    ),
    linear-gradient(180deg, #0b0f14, #0e1623);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

/* HERO CONTENT */
.hero-content {
  max-width: 900px;
  padding: 40px;
  z-index: 2;
}

/* LOGO */
.hero-logo {
  width: 140px;
  margin-bottom: 24px;
  filter: drop-shadow(0 0 20px rgba(0, 120, 255, 0.4));
}

/* TEXT */
.hero h1 {
  font-size: 48px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 16px;
}

.hero p {
  font-size: 18px;
  color: #b8c4d6;
  margin-bottom: 32px;
}

/* PRIMARY BUTTON – Explore SkyRover */
.btn-primary {
  display: inline-block;
  padding: 14px 34px;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: #ffffff;
  background: linear-gradient(135deg, #1ea5ff, #0077cc);
  border-radius: 30px;
  border: none;
  text-decoration: none;
  box-shadow: 0 8px 24px rgba(30,165,255,0.35);
  transition: all 0.35s ease;
  position: relative;
}

/* Hover */
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 38px rgba(30,165,255,0.55);
  background: linear-gradient(135deg, #3bb6ff, #0a8be0);
}

.btn-secondary {
  display: inline-block;
  padding: 13px 32px;
  font-size: 15px;
  font-weight: 500;
  color: #cfe9ff;
  border: 1px solid rgba(120,190,255,0.5);
  border-radius: 30px;
  text-decoration: none;
  background: transparent;
  transition: all 0.35s ease;
}

.btn-secondary:hover {
  background: rgba(120,190,255,0.12);
  box-shadow: 0 0 18px rgba(120,190,255,0.35);
}

}

/* ===== GLOBAL RESET (APPLE BASE) ===== */
* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  overflow-x: hidden;
  background: #0b0f14;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont;
  color: #e6edf3;
}

/* ===== GLOBAL RESET ===== */
* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  overflow-x: hidden;
  background: #0b0f14;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont;
  color: #e6edf3;
}

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

html, body {
  width: 100%;
  overflow-x: hidden;
  background: #0b0f14; /* your dark premium background */
}

/* ===== ALPHAX GLOBAL THEME ===== */

:root {
  --bg-dark: radial-gradient(
    circle at top left,
    #0a1a2f 0%,
    #050d18 70%
  );

  --card-bg: linear-gradient(
    135deg,
    rgba(20, 60, 120, 0.55),
    rgba(10, 25, 45, 0.85)
  );

  --card-border: rgba(120, 180, 255, 0.35);
  --text-main: #eaf2ff;
  --text-muted: #c9d6ee;
}
section {
  background: var(--bg-dark);
  color: var(--text-main);
}

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero .container {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero .btn {
  display: inline-block;
  margin-top: 32px;
  opacity: 1;
  visibility: visible;
  position: relative;
  z-index: 10;
}


.btn {
  display: inline-block;
  margin-top: 32px;
  padding: 14px 36px;
  font-size: 16px;
  font-weight: 600;
  color: #ffffff;
  background: linear-gradient(135deg, #00b4ff, #0066ff);
  border-radius: 40px;
  text-decoration: none;
  transition: all 0.35s ease;
}

.btn:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 10px 40px rgba(0, 120, 255, 0.6);
}
.hero {
  background: radial-gradient(
    circle at top left,
    rgba(0, 180, 255, 0.15),
    rgba(0, 20, 40, 0.95)
  );
}
.hero .btn:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 12px 40px rgba(0, 120, 255, 0.6);
}
.skyrover-section {
  background: linear-gradient(
    180deg,
    #0b0f14 0%,
    #0e141b 50%,
    #0b0f14 100%
  );
  padding: 140px 0;
}

.variant-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  margin-top: 60px;
}

.variant-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 18px;
  padding: 32px;
  transition: all 0.35s ease;
  backdrop-filter: blur(12px);
}

.variant-card h3 {
  font-size: 22px;
  margin-bottom: 12px;
}

.variant-card p {
  font-size: 16px;
  opacity: 0.85;
  line-height: 1.6;
}
.variant-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(0, 140, 255, 0.25);
  border-color: rgba(0, 140, 255, 0.5);
}
.variant-card.premium {
  position: relative;
}

.variant-card.premium::before {
  content: "";
  position: absolute;
  inset: -40px;
  background: radial-gradient(
    circle,
    rgba(0, 140, 255, 0.25),
    transparent 70%
  );
  z-index: -1;
}

.variant-card h3 {
  color: #ffffff;
}

.variant-card p {
  color: rgba(230, 240, 255, 0.9);
}

.variant-card:hover {
  transform: translateY(-10px);
  box-shadow:
    0 30px 80px rgba(0, 140, 255, 0.45);
}

/* ===== FORCE SKYROVER VARIANTS BACKGROUND ===== */
#skyrover-variants,
.skyrover-section,
.variants,
section {
  background: #0b0f14 !important;
}
.glidecore {
  background: linear-gradient(
    180deg,
    #0b1220 0%,
    #0f1b2e 50%,
    #0b1220 100%
  );
  padding: 140px 0;
}
.glidecore::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle at center,
    rgba(0, 120, 255, 0.12),
    transparent 70%
  );
  pointer-events: none;
}

/* All major sections */
section {
  background: transparent;
}

/* GlideCore text area fix */
section h2,
section h3,
section p {
  color: #e6eefc;
}

/* ===== GLIDECORE SECTION FIX ===== */

.glidecore {
  background: linear-gradient(
    180deg,
    #070d18 0%,
    #0b1426 50%,
    #070d18 100%
  );
  padding: 120px 0;
}

.glidecore h2 {
  color: #eaf2ff;
}

.glidecore p {
  color: #cfd9ee;
}

/* Points grid */
.glidecore-points {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 48px;
}

.glidecore .point {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(120,180,255,0.25);
  border-radius: 18px;
  padding: 28px;
  backdrop-filter: blur(10px);
}

.glidecore .point h3 {
  color: #ffffff;
}

.glidecore .point p {
  color: #cfd9ee;
}
/* ===== GLIDECORE FORCE TEXT COLOR FIX ===== */

#glidecore,
#glidecore h2,
#glidecore h3,
#glidecore p {
  color: #eaf2ff !important;
}

#glidecore .glidecore-intro {
  color: #cfd9ee !important;
}

#glidecore .point p {
  color: #d6e1ff !important;
}
.alpha-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 32px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
  transition: all 0.35s ease;
}

.alpha-card:hover {
  transform: translateY(-6px) scale(1.03);
  box-shadow: 0 30px 90px rgba(80, 160, 255, 0.45);
}
.glidecore-card {
  max-width: 520px;
  margin: 0 auto;
}

.glidecore-points {
  margin-top: 20px;
  padding-left: 18px;
  color: rgba(255,255,255,0.9);
}

.glidecore-points li {
  margin-bottom: 10px;
  line-height: 1.6;
}

.cta-section {
  background: linear-gradient(180deg, #0b1220, #0e1a2f);
  text-align: center;
}

.cta-section h2 {
  font-size: 42px;
  margin-bottom: 16px;
}

.cta-section p {
  max-width: 720px;
  margin: 0 auto 32px;
  opacity: 0.85;
}

.cta-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
}

/* ===== PREMIUM FLOATING CARD ===== */
.card {
  background: linear-gradient(
    180deg,
    rgba(255,255,255,0.08),
    rgba(255,255,255,0.02)
  );
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 20px;
  padding: 28px;
  backdrop-filter: blur(18px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.45);
  transition: all 0.6s ease;
}

.card:hover {
  transform: translateY(-14px) scale(1.02);
  box-shadow: 0 40px 120px rgba(0,140,255,0.35);
}
/* ===== SPACE BACKGROUND ===== */
section {
  width: 100%;
  min-height: 100vh;
  background: linear-gradient(
    120deg,
    #0b0f14,
    #0e1623,
    #0b1c2d
  );
  background-size: 200% 200%;
  animation: spaceFlow 18s ease infinite;
}

@keyframes spaceFlow {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
/* ===== MOBILE OPTIMIZATION ===== */
@media (max-width: 768px) {
  section {
    padding: 48px 20px;
  }

  .card {
    margin-bottom: 24px;
  }

  h1 { font-size: 32px; }
  h2 { font-size: 24px; }

  p {
    font-size: 15px;
    line-height: 1.6;
  }
}
/* CTA / Ready to Explore Section FIX */
.cta,
#cta,
.cta-section {
  width: 100%;
  min-height: 100vh;

  background: linear-gradient(
    180deg,
    #0b0f14 0%,
    #0e1623 50%,
    #0b0f14 100%
  );

  display: flex;
  align-items: center;
  justify-content: center;

  padding: 80px 24px;
}
.hero {
  padding-top: 120px;
}
.logo {
  height: 48px;
  width: auto;
  display: block;
}
/* ===== AlphaX Logo Animation ===== */
.logo-anim {
  height: 48px;
  animation: logoFloat 4s ease-in-out infinite,
             logoGlow 3s ease-in-out infinite;
}

/* Floating motion */
@keyframes logoFloat {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-6px);
  }
}

/* Subtle glow */
@keyframes logoGlow {
  0%, 100% {
    filter: drop-shadow(0 0 6px rgba(80, 180, 255, 0.3));
  }
  50% {
    filter: drop-shadow(0 0 14px rgba(80, 180, 255, 0.6));
  }
}
.logo-anim {
  height: 48px;
  animation: logoRotate 12s linear infinite;
}

@keyframes logoRotate {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}
.logo-anim {
  height: 48px;
  transition: transform 0.4s ease, filter 0.4s ease;
}

.logo-anim:hover {
  transform: scale(1.08);
  filter: drop-shadow(0 0 14px rgba(80, 180, 255, 0.7));
}

.page-hero {
  min-height: 70vh;
  display: flex;
  align-items: center;
  background: radial-gradient(
    circle at center,
    rgba(0, 120, 255, 0.18),
    #0b0f14 70%
  );
}

.page-hero h1 {
  font-size: 56px;
  margin-bottom: 20px;
}

.page-hero p {
  max-width: 720px;
  font-size: 18px;
  opacity: 0.85;
}

.section {
  padding: 120px 0;
}

.section.dark {
  background: linear-gradient(
    180deg,
    #0b0f14,
    #0e1623
  );
}

.use-cases {
  list-style: none;
  padding-left: 0;
  margin-top: 30px;
}

.use-cases li {
  margin-bottom: 14px;
  font-size: 16px;
}
/* LOGO ANIMATION */
.logo-anim {
  opacity: 0;
  transform: translateY(-20px) scale(0.95);
  animation: logoReveal 1.6s ease-out forwards;
  filter: drop-shadow(0 0 0 rgba(0,180,255,0));
}

@keyframes logoReveal {
  0% {
    opacity: 0;
    transform: translateY(-20px) scale(0.95);
    filter: drop-shadow(0 0 0 rgba(0,180,255,0));
  }
  70% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: drop-shadow(0 0 18px rgba(0,180,255,0.7));
  }
}
.hero-content h1,
.hero-content p,
.hero-buttons {
  opacity: 0;
  transform: translateY(25px);
  animation: heroFadeUp 1.4s ease forwards;
}

.hero-content h1 { animation-delay: 0.4s; }
.hero-content p  { animation-delay: 0.7s; }
.hero-buttons    { animation-delay: 1s; }

@keyframes heroFadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
/* SKYROVER VARIANT CARDS – PREMIUM HOVER */
.variant-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(0, 180, 255, 0.25);
  border-radius: 18px;
  padding: 28px;
  transition: all 0.35s ease;
  position: relative;
  overflow: hidden;
}

/* Glow layer */
.variant-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle at top,
    rgba(0,180,255,0.25),
    transparent 65%
  );
  opacity: 0;
  transition: opacity 0.35s ease;
}

/* Hover effect */
.variant-card:hover {
  transform: translateY(-12px) scale(1.02);
  box-shadow: 0 25px 60px rgba(0, 180, 255, 0.35);
  border-color: rgba(0, 180, 255, 0.7);
}

.variant-card:hover::before {
  opacity: 1;
}

.variant-card h3 {
  margin-bottom: 10px;
  transition: color 0.3s ease;
}

.variant-card:hover h3 {
  color: #7ddcff;
}
.variant-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}
/* VARIANT BADGES */
.variant-card {
  position: relative;
}

.variant-badge {
  position: absolute;
  top: 18px;
  right: 18px;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 600;
  border-radius: 20px;
  letter-spacing: 0.4px;
  text-transform: uppercase;
}

/* Base – Training */
.variant-badge.base {
  background: rgba(0, 160, 255, 0.18);
  color: #8fd3ff;
  border: 1px solid rgba(0, 160, 255, 0.4);
}

/* Premium – Advanced */
.variant-badge.premium {
  background: linear-gradient(135deg, #3bb6ff, #0077cc);
  color: #ffffff;
  box-shadow: 0 0 18px rgba(0, 140, 255, 0.6);
}

/* Tactical – Defence */
.variant-badge.tactical {
  background: rgba(40, 60, 50, 0.8);
  color: #b6ffdd;
  border: 1px solid rgba(120, 200, 160, 0.4);
}
/* EXPANDABLE DETAILS (CSS ONLY) */
.variant-details {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.45s ease, opacity 0.35s ease;
  margin-top: 0;
}

.variant-details ul {
  padding-left: 18px;
  margin-top: 16px;
}

.variant-details li {
  margin-bottom: 8px;
  font-size: 15px;
  color: rgba(255,255,255,0.85);
}

/* CLICK / FOCUS TO EXPAND */
.variant-card:focus-within .variant-details,
.variant-card:hover .variant-details {
  max-height: 220px;   /* enough for bullets */
  opacity: 1;
  margin-top: 10px;
}

/* Make card clickable */
.variant-card {
  cursor: pointer;
}
/* Sticky Mini CTA */
.mini-cta {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: rgba(11, 15, 20, 0.9);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(0,180,255,0.35);
  border-radius: 18px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.5);
  z-index: 999;
}

.mini-cta span {
  font-size: 14px;
  color: rgba(255,255,255,0.85);
}

/* Mobile adjust */
@media (max-width: 768px) {
  .mini-cta {
    left: 16px;
    right: 16px;
    bottom: 16px;
    justify-content: space-between;
  }
}
/* CONTACT PAGE */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.contact-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(0,180,255,0.25);
  border-radius: 18px;
  padding: 28px;
  backdrop-filter: blur(10px);
}

.contact-card h3 {
  margin-bottom: 10px;
}

.contact-card a {
  color: #7ddcff;
  text-decoration: none;
}
/* NAVBAR */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(11,15,20,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo img {
  height: 44px;
}

.nav-menu {
  display: flex;
  gap: 28px;
  align-items: center;
}

.nav-menu a {
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  font-weight: 500;
  position: relative;
  padding: 6px 0;
}

/* Hover underline */
.nav-menu a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 2px;
  background: #3bb6ff;
  transition: width 0.3s ease;
}

.nav-menu a:hover::after {
  width: 100%;
}

/* CTA */
.nav-cta {
  padding: 10px 18px;
  border-radius: 20px;
  background: linear-gradient(135deg, #3bb6ff, #0077cc);
  color: #fff !important;
}

.nav-cta::after {
  display: none;
}

/* Mobile */
@media (max-width: 768px) {
  .nav-menu {
    gap: 16px;
  }
}
/* TECHNOLOGY PAGE */
.tech-points {
  list-style: none;
  padding-left: 0;
  margin-top: 30px;
}

.tech-points li {
  margin-bottom: 14px;
  padding-left: 20px;
  position: relative;
  font-size: 16px;
  color: rgba(255,255,255,0.85);
}

.tech-points li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: #3bb6ff;
}
/* FOOTER */
.site-footer {
  background: #070b12;
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 60px;
}

.footer-wrap {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 40px;
}

.footer-logo {
  height: 42px;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.6;
  color: rgba(255,255,255,0.75);
  max-width: 420px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  font-size: 14px;
}

.footer-links a:hover {
  color: #3bb6ff;
}

.footer-bottom {
  margin-top: 50px;
  padding: 18px 0;
  text-align: center;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-bottom p {
  font-size: 13px;
  color: rgba(255,255,255,0.65);
}

/* Mobile */
@media (max-width: 768px) {
  .footer-wrap {
    grid-template-columns: 1fr;
  }
}
/* SKYROVER VIDEO HERO */
.hero,
.page-hero-video {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  display: flex;
  align-items: left;
}

}

.hero-video video {
  width: 50%;
  height: 50%;
  object-fit: cover;
  filter: brightness(1.25) contrast(1.15) saturate(1.1);
}


.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    rgba(0,0,0,0.55),
    rgba(0,0,0,0.15)
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 120px 6vw 80px;
  max-width: 700px;
}

}

/* MOBILE SAFETY */
@media (max-width: 768px) {
  .hero-video {
    display: none;
  }

  .video-hero {
    background: radial-gradient(
      circle at center,
      rgba(0,140,255,0.25),
      #0b0f14 70%
    );
  }
}

/* 🔓 FORCE SCROLL UNLOCK */
html, body {
  overflow-x: hidden !important;
  overflow-y: auto !important;
  position: static !important;
  height: auto !important;
}
body {
  -webkit-overflow-scrolling: touch;
}
/* TECHNOLOGY CARDS – SAME STYLE AS SKYROVER VARIANTS */
.tech-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.tech-main-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(0,180,255,0.25);
  border-radius: 18px;
  padding: 32px;
  transition: all 0.35s ease;
  position: relative;
  overflow: hidden;
}

/* subtle glow layer */
.tech-main-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle at top,
    rgba(0,180,255,0.22),
    transparent 65%
  );
  opacity: 0;
  transition: opacity 0.35s ease;
}

/* hover effect */
.tech-main-card:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: 0 22px 55px rgba(0,180,255,0.35);
  border-color: rgba(0,180,255,0.6);
}

.tech-main-card:hover::before {
  opacity: 1;
}

.tech-main-card h3 {
  margin-bottom: 12px;
  color: #7ddcff;
}

.tech-main-card p {
  font-size: 15px;
  color: rgba(255,255,255,0.85);
}

/* Premium highlight (PowerCore) */
.tech-main-card.premium {
  border-color: rgba(0,180,255,0.8);
  box-shadow: 0 0 24px rgba(0,180,255,0.45);
}

/* TECHNOLOGY CARD EXPAND DETAILS */
.tech-details {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.45s ease, opacity 0.35s ease;
  margin-top: 0;
}

.tech-details ul {
  margin-top: 16px;
  padding-left: 18px;
}

.tech-details li {
  margin-bottom: 8px;
  font-size: 14.5px;
  color: rgba(255,255,255,0.85);
}

.tech-diff {
  margin-top: 14px;
  font-size: 14.5px;
  color: rgba(255,255,255,0.8);
}

/* Expand on hover / tap */
.tech-main-card:hover .tech-details,
.tech-main-card:focus-within .tech-details {
  max-height: 420px;
  opacity: 1;
  margin-top: 14px;
}