/* ========================================
   GLOBAL STYLES & VARIABLES
======================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --dark-bg: #0a0e27;
  --darker-bg: #05070f;
  --card-bg: #1a1f3a;
  --border-color: #00d9ff;
  --primary-blue: #00d9ff;
  --secondary-blue: #0099ff;
  --neon-cyan: #00ffff;
  --neon-purple: #7f00ff;
  --accent-orange: #ff6b00;
  --text-light: #e0e0e0;
  --text-muted: #a0a0a0;
  --gold: #ffd700;
  --electric-green: #00ff41;
}

body {
  font-family: "Poppins", sans-serif;
  background: linear-gradient(
    135deg,
    var(--darker-bg) 0%,
    var(--dark-bg) 50%,
    var(--darker-bg) 100%
  );
  color: var(--text-light);
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ========================================
   GLOWING BORDER EFFECTS
======================================== */
.glow-border {
  position: relative;
  border: 2px solid transparent;
  background-clip: padding-box;
  background: linear-gradient(var(--dark-bg), var(--dark-bg)) padding-box;
  background-image: linear-gradient(var(--dark-bg), var(--dark-bg)),
    linear-gradient(135deg, var(--primary-blue), var(--neon-cyan));
  background-clip: padding-box, border-box;
  background-origin: padding-box, border-box;
}

.glow-box {
  box-shadow: 0 0 20px rgba(0, 217, 255, 0.3),
    inset 0 0 20px rgba(0, 217, 255, 0.05);
}

/* ========================================
   ROBOTICS BACKGROUND ANIMATION
======================================== */
.robotics-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
  background: radial-gradient(
      ellipse at 20% 50%,
      rgba(0, 153, 255, 0.05) 0%,
      transparent 40%
    ),
    radial-gradient(
      ellipse at 80% 80%,
      rgba(127, 0, 255, 0.03) 0%,
      transparent 40%
    );
}

.robot-part {
  position: absolute;
  font-size: 64px;
  opacity: 0.15;
  animation: floatRotate 12s infinite ease-in-out;
  filter: drop-shadow(0 0 15px rgba(0, 217, 255, 0.5));
}

.robot-part.part-1 {
  top: 10%;
  left: 10%;
  animation-delay: 0s;
}
.robot-part.part-2 {
  top: 20%;
  right: 15%;
  animation-delay: 1.2s;
}
.robot-part.part-3 {
  top: 50%;
  left: 5%;
  animation-delay: 2.4s;
}
.robot-part.part-4 {
  bottom: 20%;
  right: 10%;
  animation-delay: 3.6s;
}
.robot-part.part-5 {
  bottom: 30%;
  left: 20%;
  animation-delay: 4.8s;
}
.robot-part.part-6 {
  top: 70%;
  right: 25%;
  animation-delay: 6s;
}

@keyframes floatRotate {
  0%,
  100% {
    transform: translateY(0) rotate(0deg) scale(1);
  }
  25% {
    transform: translateY(-40px) rotate(90deg) scale(1.15);
  }
  50% {
    transform: translateY(-70px) rotate(180deg) scale(1);
  }
  75% {
    transform: translateY(-40px) rotate(270deg) scale(0.9);
  }
}

.circuit-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.04;
  pointer-events: none;
  z-index: 0;
  background-image: repeating-linear-gradient(
      0deg,
      var(--primary-blue) 0px,
      var(--primary-blue) 1px,
      transparent 1px,
      transparent 60px
    ),
    repeating-linear-gradient(
      90deg,
      var(--primary-blue) 0px,
      var(--primary-blue) 1px,
      transparent 1px,
      transparent 60px
    );
  animation: circuitMove 30s linear infinite;
}

@keyframes circuitMove {
  0% {
    transform: translate(0, 0);
  }
  100% {
    transform: translate(60px, 60px);
  }
}

.particles {
  position: fixed;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

/* ========================================
   HEADER - MOBILE RESPONSIVE
======================================== */
header {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(10, 14, 39, 0.85);
  backdrop-filter: blur(15px);
  border-bottom: 1px solid rgba(0, 217, 255, 0.1);
  box-shadow: 0 5px 30px rgba(0, 217, 255, 0.2);
  z-index: 1000;
  animation: slideDown 0.8s ease-out;
}

@keyframes slideDown {
  from {
    transform: translateY(-100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 40px;
  max-width: 1400px;
  margin: 0 auto;
}

.logo-placeholder {
  width: 70px;
  height: 70px;
  background: linear-gradient(
    135deg,
    var(--primary-blue),
    var(--secondary-blue)
  );
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 9px;
  font-weight: 600;
  text-align: center;
  padding: 5px;
  animation: logoZoom 1s ease-out;
  box-shadow: 0 0 20px rgba(0, 217, 255, 0.5);
  transition: transform 0.3s ease;
  border: 1px solid rgba(0, 217, 255, 0.3);
}

.logo-placeholder:hover {
  transform: rotate(360deg) scale(1.1);
  box-shadow: 0 0 30px rgba(0, 217, 255, 0.8);
}

@keyframes logoZoom {
  0% {
    transform: scale(0) rotate(-180deg);
    opacity: 0;
  }
  100% {
    transform: scale(1) rotate(0deg);
    opacity: 1;
  }
}

.team-name {
  flex: 2;
  text-align: center;
  font-size: 36px;
  font-weight: 900;
  background: linear-gradient(
    135deg,
    var(--primary-blue),
    var(--neon-cyan),
    var(--neon-purple)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 3px;
  text-shadow: 0 0 20px rgba(0, 217, 255, 0.4);
  animation: teamNamePulse 2.5s ease-in-out infinite;
  cursor: default;
  transition: all 0.3s ease;
}

.team-name:hover {
  font-size: 38px;
  letter-spacing: 4px;
}

@keyframes teamNamePulse {
  0% {
    transform: scale(1);
    text-shadow: 0 0 10px rgba(0, 217, 255, 0.3);
  }
  50% {
    transform: scale(1.05);
    text-shadow: 0 0 30px rgba(0, 217, 255, 0.6),
      0 0 60px rgba(127, 0, 255, 0.3);
  }
  100% {
    transform: scale(1);
    text-shadow: 0 0 10px rgba(0, 217, 255, 0.3);
  }
}

.mobile-menu-toggle {
  display: none;
  font-size: 28px;
  background: none;
  border: none;
  color: var(--primary-blue);
  cursor: pointer;
  padding: 5px 10px;
  transition: all 0.3s ease;
}

.mobile-menu-toggle:hover {
  color: var(--neon-cyan);
}

.nav-menu {
  display: flex;
  gap: 25px;
}

.nav-link {
  color: var(--text-light);
  text-decoration: none;
  font-weight: 500;
  font-size: 15px;
  position: relative;
  transition: all 0.3s ease;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-blue), var(--neon-cyan));
  transition: width 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-blue);
}

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

/* ========================================
   ABOUT BUTTON & PANEL
======================================== */
.about-btn {
  color: var(--text-light);
  background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
  border: 2px solid var(--neon-cyan);
  padding: 8px 14px;
  border-radius: 25px;
  font-family: "Poppins", sans-serif;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  position: relative;
  overflow: hidden;
  box-shadow: 0 0 20px rgba(0, 217, 255, 0.3),
    inset 0 0 10px rgba(127, 0, 255, 0.1);
  animation: aboutPulse 2.5s ease-in-out infinite;
}

.about-btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: left 0.5s ease;
}

.about-btn:hover {
  transform: scale(1.1) translateY(-2px);
  box-shadow: 0 0 40px rgba(0, 217, 255, 0.5), 0 0 80px rgba(127, 0, 255, 0.3),
    inset 0 0 15px rgba(127, 0, 255, 0.2);
  border-color: var(--neon-purple);
}

.about-btn:hover::before {
  left: 100%;
}

.about-btn:active {
  transform: scale(0.98);
}

@keyframes aboutPulse {
  0% {
    box-shadow: 0 0 20px rgba(0, 217, 255, 0.3),
      inset 0 0 10px rgba(127, 0, 255, 0.1);
    text-shadow: 0 0 10px rgba(0, 217, 255, 0.3);
  }
  50% {
    box-shadow: 0 0 40px rgba(0, 217, 255, 0.5),
      inset 0 0 15px rgba(127, 0, 255, 0.2);
    text-shadow: 0 0 20px rgba(0, 217, 255, 0.6),
      0 0 40px rgba(127, 0, 255, 0.4);
  }
  100% {
    box-shadow: 0 0 20px rgba(0, 217, 255, 0.3),
      inset 0 0 10px rgba(127, 0, 255, 0.1);
    text-shadow: 0 0 10px rgba(0, 217, 255, 0.3);
  }
}

.about-panel {
  position: absolute;
  top: 110%;
  right: 0;
  background: linear-gradient(
    135deg,
    rgba(10, 14, 39, 0.95),
    rgba(5, 7, 15, 0.95)
  );
  border: 2px solid var(--neon-cyan);
  border-radius: 12px;
  padding: 16px 20px;
  min-width: 280px;
  opacity: 0;
  visibility: hidden;
  transform: scale(0.8) translateY(-10px);
  transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  z-index: 1000;
  box-shadow: 0 12px 40px rgba(0, 217, 255, 0.25),
    inset 0 0 20px rgba(127, 0, 255, 0.05);
  backdrop-filter: blur(10px);
}

.about-panel.active {
  opacity: 1;
  visibility: visible;
  transform: scale(1) translateY(0);
}

.about-text {
  color: var(--text-light);
  font-size: 13px;
  line-height: 1.6;
  text-align: center;
  transition: all 0.4s ease;
}

.about-panel.active .about-text {
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.3px;
}

.about-text strong {
  background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
  letter-spacing: 0.5px;
  animation: nameGlow 2s ease-in-out infinite;
  display: inline-block;
  transition: all 0.3s ease;
}

.about-panel.active .about-text strong {
  font-size: 16px;
  letter-spacing: 0.8px;
}

@keyframes nameGlow {
  0%,
  100% {
    filter: drop-shadow(0 0 4px rgba(0, 217, 255, 0.3));
  }
  50% {
    filter: drop-shadow(0 0 12px rgba(127, 0, 255, 0.5))
      drop-shadow(0 0 20px rgba(0, 217, 255, 0.4));
  }
}

/* ========================================
   HERO SECTION
======================================== */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding-top: 120px;
  overflow: hidden;
}

.hero-content {
  text-align: center;
  z-index: 10;
  animation: fadeInUp 1s ease-out;
}

/* 3D Robot cube in hero */
.robot-3d {
  position: absolute;
  right: 8%;
  top: 15%;
  width: 180px;
  height: 180px;
  perspective: 1200px;
  z-index: 9;
}
.robot-3d .cube {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  animation: rotateCube360 12s infinite linear;
}
.robot-3d .face {
  position: absolute;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  background: linear-gradient(
    135deg,
    rgba(0, 217, 255, 0.1),
    rgba(127, 0, 255, 0.05)
  );
  border-radius: 12px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5), 0 0 30px rgba(0, 217, 255, 0.2);
  border: 1px solid rgba(0, 217, 255, 0.3);
}
.robot-3d .front {
  transform: translateZ(90px);
}
.robot-3d .back {
  transform: rotateY(180deg) translateZ(90px);
}
.robot-3d .right {
  transform: rotateY(90deg) translateZ(90px);
}
.robot-3d .left {
  transform: rotateY(-90deg) translateZ(90px);
}
.robot-3d .top {
  transform: rotateX(90deg) translateZ(90px);
}
.robot-3d .bottom {
  transform: rotateX(-90deg) translateZ(90px);
}

@keyframes rotateCube360 {
  0% {
    transform: rotateX(0deg) rotateY(0deg) rotateZ(0deg);
  }
  25% {
    transform: rotateX(360deg) rotateY(0deg) rotateZ(0deg);
  }
  50% {
    transform: rotateX(360deg) rotateY(360deg) rotateZ(0deg);
  }
  75% {
    transform: rotateX(360deg) rotateY(360deg) rotateZ(360deg);
  }
  100% {
    transform: rotateX(360deg) rotateY(360deg) rotateZ(360deg);
  }
}

/* Three.js 3D model container */
.threejs-canvas {
  position: absolute;
  right: 8%;
  top: 20%;
  width: 360px;
  height: 360px;
  z-index: 9;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.02), rgba(0, 0, 0, 0.06));
}

@media (max-width: 900px) {
  .threejs-canvas {
    right: 5%;
    top: 28%;
    width: 260px;
    height: 260px;
  }
}

@media (max-width: 520px) {
  .threejs-canvas {
    position: static;
    width: 100%;
    height: 320px;
    margin: 18px auto;
  }
}

/* Typing effect for hero subtitle */
.hero-subtitle {
  display: inline-block;
  min-width: 200px;
  white-space: nowrap;
  overflow: hidden;
  border-right: 2px solid rgba(224, 224, 224, 0.15);
}

.hero-subtitle.blink {
  animation: blinkCaret 700ms steps(1) infinite;
}

@keyframes blinkCaret {
  50% {
    border-color: transparent;
  }
}

/* CTA improvements */
.cta-button {
  position: relative;
  overflow: hidden;
  box-shadow: 0 12px 40px rgba(0, 217, 255, 0.35);
}
.cta-button::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50px;
  box-shadow: 0 0 40px rgba(0, 217, 255, 0.25) inset;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.25s;
}
.cta-button:hover::after {
  opacity: 1;
}
.cta-button:active {
  transform: translateY(1px) scale(0.995);
}

/* typing effect caret */
.hero-subtitle {
  display: inline-block;
  min-width: 200px;
  white-space: nowrap;
  overflow: hidden;
  border-right: 2px solid rgba(224, 224, 224, 0.15);
}
.hero-subtitle.blink {
  animation: blinkCaret 700ms steps(1) infinite;
}
@keyframes blinkCaret {
  50% {
    border-color: transparent;
  }
}

/* member photo inside modal */
.member-photo img.member-photo-img {
  width: 72px;
  height: 72px;
  object-fit: cover;
  border-radius: 8px;
  border: 2px solid rgba(0, 217, 255, 0.06);
  box-shadow: 0 8px 30px rgba(0, 217, 255, 0.04);
  display: block;
}

/* team logo image */
.team-logo-img {
  width: 100px;
  height: 100px;
  object-fit: cover;
  border-radius: 10px;
  display: block;
}
.logo-fallback {
  display: block;
  font-size: 10px;
  color: #fff;
}

/* department section images */
.dept-images-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  margin-bottom: 40px;
}

.dept-section-img {
  width: 100%;
  max-width: 600px;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 15px 50px rgba(0, 217, 255, 0.15);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.dept-section-img:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 60px rgba(0, 217, 255, 0.25);
}

@keyframes fadeInUp {
  from {
    transform: translateY(50px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.hero-title {
  font-size: 52px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary-blue), var(--neon-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 20px;
  animation: titleGlow 3s ease-in-out infinite;
}

@keyframes titleGlow {
  0% {
    text-shadow: 0 0 10px rgba(0, 217, 255, 0), 0 0 20px rgba(0, 217, 255, 0);
    transform: scale(1);
  }
  50% {
    text-shadow: 0 0 20px rgba(0, 217, 255, 0.5),
      0 0 40px rgba(0, 217, 255, 0.3);
    transform: scale(1.02);
  }
  100% {
    text-shadow: 0 0 10px rgba(0, 217, 255, 0), 0 0 20px rgba(0, 217, 255, 0);
    transform: scale(1);
  }
}

.hero-subtitle {
  font-size: 20px;
  color: var(--text-muted);
  opacity: 0.8;
  margin-bottom: 40px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.cta-button {
  padding: 18px 50px;
  font-size: 18px;
  font-weight: 600;
  color: white;
  background: linear-gradient(
    135deg,
    var(--primary-blue),
    var(--secondary-blue)
  );
  border: none;
  border-radius: 50px;
  cursor: pointer;
  box-shadow: 0 10px 30px rgba(0, 217, 255, 0.4);
  transition: all 0.3s ease;
}

.cta-button:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0, 217, 255, 0.6);
}

/* ========================================
   SECTION TITLES
======================================== */
.section-title {
  font-size: 42px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary-blue), var(--neon-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-align: center;
  margin-bottom: 20px;
  position: relative;
  display: inline-block;
  width: 100%;
  cursor: pointer;
  transition: transform 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.section-title:hover {
  transform: rotateY(360deg) scale(1.05);
}

@keyframes spinRotate360 {
  0% {
    transform: rotateY(0deg) scale(1);
  }
  100% {
    transform: rotateY(360deg) scale(1.05);
  }
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-blue), var(--neon-purple));
  border-radius: 2px;
  box-shadow: 0 0 15px rgba(0, 217, 255, 0.5);
}

/* ========================================
   TEAM SECTION - NEW DESIGN
======================================== */
.team-section {
  padding: 120px 0;
  position: relative;
  z-index: 10;
}

/* Team boxed container */
.team-box {
  background: linear-gradient(
    180deg,
    rgba(6, 10, 28, 0.85),
    rgba(8, 12, 32, 0.75)
  );
  border-radius: 18px;
  padding: 36px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.7),
    0 0 40px rgba(0, 217, 255, 0.04) inset;
  border: 1px solid rgba(0, 217, 255, 0.08);
  margin-top: 30px;
  backdrop-filter: blur(8px);
  position: relative;
}

.team-box::before {
  content: "";
  position: absolute;
  top: -8px;
  left: -8px;
  right: -8px;
  bottom: -8px;
  border-radius: 22px;
  background: linear-gradient(
    90deg,
    rgba(0, 217, 255, 0.04),
    rgba(127, 0, 255, 0.02)
  );
  filter: blur(14px);
  z-index: 0;
}

/* Team leader box style (professional) */
.team-leader-card {
  display: flex;
  gap: 30px;
  align-items: center;
  justify-content: flex-start;
  max-width: 1100px;
  margin: 0 auto 30px;
  padding: 28px 32px;
  background: linear-gradient(
    180deg,
    rgba(20, 24, 46, 0.7),
    rgba(12, 16, 36, 0.7)
  );
  border-radius: 14px;
  border: 1px solid rgba(0, 217, 255, 0.1);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.7),
    0 8px 24px rgba(0, 217, 255, 0.03) inset;
  position: relative;
  z-index: 2;
  transition: all 300ms cubic-bezier(0.2, 0.9, 0.2, 1);
}

.team-leader-card:hover {
  box-shadow: 0 32px 70px rgba(0, 0, 0, 0.8),
    0 12px 30px rgba(0, 217, 255, 0.05) inset;
  border-color: rgba(0, 217, 255, 0.14);
  transform: translateY(-2px);
}

.team-leader-card .leader-photo {
  flex: 0 0 140px;
}
.leader-img {
  width: 140px;
  height: 140px;
  object-fit: cover;
  border-radius: 12px;
  border: 4px solid rgba(0, 217, 255, 0.08);
  box-shadow: 0 12px 40px rgba(0, 217, 255, 0.14);
  transform: translateZ(0);
}
.leader-img::after {
  content: "";
}

/* framed image accent */
.leader-photo {
  position: relative;
}
.leader-photo::after {
  content: "";
  position: absolute;
  inset: -8px;
  border-radius: 16px;
  border: 2px solid rgba(0, 217, 255, 0.06);
  pointer-events: none;
  box-shadow: 0 8px 30px rgba(0, 217, 255, 0.06);
}
.team-leader-card .leader-info {
  flex: 1;
}

.leader-name {
  font-size: 28px !important;
  font-weight: 900 !important;
  background: linear-gradient(
    135deg,
    var(--primary-blue),
    var(--neon-cyan)
  ) !important;
  -webkit-background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  background-clip: text !important;
  margin-bottom: 6px !important;
}

.leader-role {
  font-size: 15px !important;
  color: var(--primary-blue) !important;
  font-weight: 700 !important;
  letter-spacing: 0.5px !important;
  margin-bottom: 12px !important;
}

.leader-bio {
  font-size: 14px !important;
  color: var(--text-light) !important;
  line-height: 1.6 !important;
  opacity: 0.9 !important;
  margin-bottom: 16px !important;
}

.leader-links {
  display: flex !important;
  gap: 10px !important;
  flex-wrap: wrap !important;
}

/* Add subtle animation to the leader card */
.animate-leader {
  animation: leaderEntrance 900ms cubic-bezier(0.2, 0.9, 0.2, 1);
}

/* Teams grid boxed cards */
.teams-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid rgba(0, 217, 255, 0.04);
}

@media (max-width: 1100px) {
  .teams-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 520px) {
  .teams-grid {
    grid-template-columns: 1fr;
  }
}

.teams-grid .dept-logo-card {
  padding: 24px;
  background: linear-gradient(
    180deg,
    rgba(12, 16, 36, 0.55),
    rgba(10, 14, 32, 0.6)
  );
  border-radius: 14px;
  min-height: 200px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  border: 1px solid rgba(0, 217, 255, 0.08);
  transition: transform 280ms cubic-bezier(0.2, 0.9, 0.2, 1),
    box-shadow 280ms ease, border-color 280ms ease, background 280ms ease;
}

.teams-grid .dept-logo-card h4 {
  font-size: 18px !important;
  font-weight: 800 !important;
  color: var(--primary-blue) !important;
  margin-bottom: 8px !important;
}

.teams-grid .dept-logo-card .dept-short {
  font-size: 12px !important;
  color: var(--text-muted) !important;
  margin-bottom: 12px !important;
}

.teams-grid .dept-logo-card .dept-logo-img {
  width: 84px;
  height: 84px;
  object-fit: contain;
  display: block;
  margin-bottom: 12px;
  filter: drop-shadow(0 6px 18px rgba(0, 217, 255, 0.08));
}

/* logo animation hook */
.animate-logo {
  animation: logoPulse 3s ease-in-out infinite;
}
@keyframes logoPulse {
  0% {
    transform: translateY(0) scale(1);
  }
  50% {
    transform: translateY(-6px) scale(1.03);
  }
  100% {
    transform: translateY(0) scale(1);
  }
}

/* hover polish */
.teams-grid .dept-logo-card:hover {
  transform: translateY(-10px) scale(1.03);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.65),
    0 12px 36px rgba(0, 217, 255, 0.04) inset;
  border-color: rgba(0, 217, 255, 0.14);
}

.teams-grid .dept-logo-card:active {
  transform: translateY(-5px) scale(1.01);
}

/* clear focus for keyboard */
.dept-logo-card:focus {
  outline: none;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6), 0 0 18px rgba(0, 217, 255, 0.12);
  transform: translateY(-6px) scale(1.02);
  border-color: rgba(0, 217, 255, 0.18);
}

/* leader action buttons */
.leader-links .btn.small {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: linear-gradient(
    90deg,
    rgba(0, 217, 255, 0.12),
    rgba(0, 153, 255, 0.06)
  );
  color: var(--text-light);
  border-radius: 10px;
  border: 1px solid rgba(0, 217, 255, 0.08);
  text-decoration: none;
  font-weight: 700;
  transition: all 220ms ease;
}
.leader-links .btn.small:hover {
  transform: translateY(-3px);
  background: linear-gradient(
    90deg,
    var(--primary-blue),
    var(--secondary-blue)
  );
  color: var(--dark-bg);
}

/* view members button inside cards */
.view-members-btn {
  margin-top: 12px;
  padding: 10px 14px;
  border-radius: 10px;
  background: linear-gradient(
    90deg,
    rgba(0, 217, 255, 0.08),
    rgba(0, 153, 255, 0.04)
  );
  color: var(--text-light);
  border: 1px solid rgba(0, 217, 255, 0.06);
  cursor: pointer;
  font-weight: 700;
  transition: all 220ms ease;
}
.view-members-btn:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 40px rgba(0, 217, 255, 0.06);
  border-color: rgba(0, 217, 255, 0.12);
}

/* small helpers */
.team-box .section-title {
  margin-top: 0;
}

.team-intro {
  text-align: center;
  font-size: 18px;
  max-width: 800px;
  margin: 0 auto 40px;
  color: var(--text-light);
  line-height: 1.8;
}

.team-intro-en {
  text-align: center;
  font-size: 16px;
  max-width: 800px;
  margin: 0 auto 80px;
  color: var(--text-muted);
  line-height: 1.8;
}

/* TEAM LEADER - PREMIUM DESIGN */
.team-leader-section {
  margin-bottom: 100px;
  position: relative;
}

.leader-crown {
  font-size: 60px;
  text-align: center;
  margin-bottom: -30px;
  z-index: 2;
  position: relative;
  animation: crownFloat 3s ease-in-out infinite;
  filter: drop-shadow(0 0 20px rgba(255, 215, 0, 0.8));
}

@keyframes crownFloat {
  0%,
  100% {
    transform: translateY(0) rotate(-5deg);
  }
  50% {
    transform: translateY(-15px) rotate(5deg);
  }
}

.leader-card {
  max-width: 600px;
  margin: 0 auto;
  background: linear-gradient(
    135deg,
    var(--card-bg) 0%,
    rgba(30, 35, 80, 0.5) 100%
  );
  border-radius: 30px;
  padding: 60px 40px 40px;
  box-shadow: 0 20px 60px rgba(0, 217, 255, 0.2),
    0 0 0 1px rgba(0, 217, 255, 0.2);
  position: relative;
  overflow: hidden;
  animation: leaderEntrance 1.2s ease-out;
  border: 1px solid rgba(0, 217, 255, 0.15);
}

@keyframes leaderEntrance {
  0% {
    transform: scale(0.8) rotateY(-30deg);
    opacity: 0;
  }
  100% {
    transform: scale(1) rotateY(0);
    opacity: 1;
  }
}

.leader-glow {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(
    circle,
    rgba(0, 217, 255, 0.2) 0%,
    transparent 70%
  );
  animation: glowPulse 4s ease-in-out infinite;
}

@keyframes glowPulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.3;
  }
  50% {
    transform: scale(1.2);
    opacity: 0.6;
  }
}

.leader-content {
  position: relative;
  z-index: 2;
  text-align: center;
}

.leader-badge {
  display: inline-block;
  padding: 8px 25px;
  background: linear-gradient(135deg, var(--gold), var(--accent-orange));
  color: white;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  margin-bottom: 30px;
  box-shadow: 0 5px 15px rgba(255, 215, 0, 0.4);
}

.leader-image .image-placeholder {
  width: 180px;
  height: 180px;
  background: linear-gradient(
    135deg,
    var(--primary-blue),
    var(--secondary-blue)
  );
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 25px;
  color: white;
  font-weight: 600;
  box-shadow: 0 15px 40px rgba(0, 217, 255, 0.4), 0 0 0 8px var(--card-bg),
    0 0 0 12px rgba(0, 217, 255, 0.2);
  animation: leaderImagePulse 3s ease-in-out infinite;
  border: 2px solid var(--primary-blue);
}

@keyframes leaderImagePulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

.leader-name {
  font-size: 32px;
  font-weight: 900;
  background: linear-gradient(135deg, var(--primary-blue), var(--neon-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 10px;
  text-shadow: 0 2px 10px rgba(0, 217, 255, 0.1);
}

.leader-title {
  font-size: 16px;
  color: var(--text-muted);
  opacity: 0.8;
  margin-bottom: 25px;
  font-weight: 500;
}

.leader-skills {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 30px;
}

.skill-tag.premium {
  padding: 10px 20px;
  background: linear-gradient(
    135deg,
    var(--primary-blue),
    var(--secondary-blue)
  );
  color: white;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  box-shadow: 0 5px 15px rgba(0, 217, 255, 0.3);
  transition: all 0.3s ease;
}

.skill-tag.premium:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(15, 76, 129, 0.3);
}

.leader-socials {
  display: flex;
  gap: 15px;
  justify-content: center;
}

.leader-social-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 25px;
  background: rgba(0, 217, 255, 0.1);
  color: var(--primary-blue);
  text-decoration: none;
  border-radius: 25px;
  font-weight: 600;
  font-size: 14px;
  box-shadow: 0 5px 15px rgba(0, 217, 255, 0.2);
  transition: all 0.3s ease;
  border: 2px solid rgba(0, 217, 255, 0.3);
}

.leader-social-btn:hover {
  background: var(--primary-blue);
  color: var(--dark-bg);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 217, 255, 0.4);
}

/* DEPARTMENTS GRID - LOGO CARDS */
.departments-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 60px;
}

.dept-logo-card {
  background: var(--card-bg);
  border-radius: 20px;
  padding: 40px 30px;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0, 217, 255, 0.1);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.4s ease;
  border: 1px solid rgba(0, 217, 255, 0.1);
}

.dept-logo-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(0, 217, 255, 0.2),
    transparent
  );
  transition: left 0.5s ease;
}

.dept-logo-card:hover::before {
  left: 100%;
}

.dept-logo-card:hover {
  transform: translateY(-10px) scale(1.03);
  box-shadow: 0 20px 50px rgba(0, 217, 255, 0.3);
  border-color: rgba(0, 217, 255, 0.4);
}

.dept-logo-wrapper {
  position: relative;
  margin-bottom: 20px;
}

.dept-logo {
  font-size: 80px;
  display: inline-block;
  position: relative;
  z-index: 2;
  animation: logoHover 3s ease-in-out infinite;
}

@keyframes logoHover {
  0%,
  100% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(-10px) rotate(5deg);
  }
}

.dept-logo-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--primary-blue) 0%, transparent 70%);
  opacity: 0.4;
  animation: glowExpand 2s ease-in-out infinite;
}

@keyframes glowExpand {
  0%,
  100% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0.3;
  }
  50% {
    transform: translate(-50%, -50%) scale(1.3);
    opacity: 0.6;
  }
}

.dept-logo-card h3 {
  font-size: 24px;
  color: var(--primary-blue);
  margin-bottom: 15px;
  font-weight: 700;
}

.dept-skills-preview {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.mini-skill {
  padding: 5px 12px;
  background: rgba(0, 217, 255, 0.1);
  color: var(--primary-blue);
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
  border: 1px solid rgba(0, 217, 255, 0.2);
}

.explore-dept-btn {
  padding: 12px 30px;
  background: linear-gradient(
    135deg,
    var(--primary-blue),
    var(--secondary-blue)
  );
  color: var(--dark-bg);
  border: none;
  border-radius: 25px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 5px 15px rgba(0, 217, 255, 0.3);
}

.explore-dept-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 25px rgba(0, 217, 255, 0.5);
}

/* DEPARTMENT MODAL */
.dept-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2000;
  animation: fadeIn 0.3s ease;
}

.dept-modal.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(5px);
}

.modal-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--card-bg);
  border-radius: 30px;
  padding: 40px;
  max-width: 900px;
  width: 90%;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: 0 30px 80px rgba(0, 217, 255, 0.2);
  animation: modalSlideIn 0.4s ease;
  border: 1px solid rgba(0, 217, 255, 0.2);
}

@keyframes modalSlideIn {
  from {
    transform: translate(-50%, -60%);
    opacity: 0;
  }
  to {
    transform: translate(-50%, -50%);
    opacity: 1;
  }
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 28px;
  background: none;
  border: none;
  color: var(--primary-blue);
  cursor: pointer;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  transition: all 0.3s ease;
}

.modal-close:hover {
  background: rgba(0, 217, 255, 0.1);
  transform: rotate(90deg);
  color: var(--neon-cyan);
}

.modal-header {
  text-align: center;
  margin-bottom: 30px;
}

.modal-dept-icon {
  font-size: 60px;
  margin-bottom: 15px;
}

.modal-dept-name {
  font-size: 32px;
  background: linear-gradient(135deg, var(--primary-blue), var(--neon-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
}

.modal-skills {
  margin-bottom: 40px;
}

.modal-skills h3 {
  font-size: 22px;
  color: var(--primary-blue);
  margin-bottom: 15px;
}

.skills-list {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.skills-list .skill-tag {
  padding: 10px 20px;
  background: linear-gradient(
    135deg,
    rgba(0, 217, 255, 0.15),
    rgba(0, 153, 255, 0.15)
  );
  color: var(--primary-blue);
  border-radius: 20px;
  font-size: 14px;
  font-weight: 600;
  border: 1px solid rgba(0, 217, 255, 0.2);
}

.modal-members h3 {
  font-size: 22px;
  color: var(--primary-blue);
  margin-bottom: 20px;
}

.members-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

.member-card {
  background: rgba(0, 217, 255, 0.05);
  border-radius: 15px;
  padding: 20px;
  text-align: center;
  transition: all 0.3s ease;
  border: 1px solid rgba(0, 217, 255, 0.1);
}

.member-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 217, 255, 0.2);
  background: rgba(0, 217, 255, 0.1);
}

.member-card .member-photo {
  width: 100px;
  height: 100px;
  background: linear-gradient(
    135deg,
    var(--primary-blue),
    var(--secondary-blue)
  );
  border-radius: 50%;
  margin: 0 auto 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 12px;
  font-weight: 600;
}

.member-card h4 {
  font-size: 16px;
  color: var(--primary-blue);
  margin-bottom: 5px;
  font-weight: 700;
}

.member-card p {
  font-size: 12px;
  color: var(--text-muted);
  opacity: 0.8;
  margin-bottom: 8px;
}

.member-card .member-role {
  font-weight: 600;
  color: var(--text-light);
  opacity: 0.9;
  margin-bottom: 5px;
}

.member-card .member-email {
  font-size: 11px;
  margin-bottom: 12px;
}

.member-card .member-email a {
  color: var(--primary-blue);
  text-decoration: none;
  transition: all 0.3s ease;
}

.member-card .member-email a:hover {
  color: var(--neon-cyan);
  text-decoration: underline;
}

.member-links {
  display: flex;
  gap: 8px;
  justify-content: center;
}

.member-link-btn {
  padding: 10px 12px;
  background: rgba(0, 217, 255, 0.1);
  color: var(--primary-blue);
  text-decoration: none;
  border-radius: 50%;
  font-size: 16px;
  transition: all 0.3s ease;
  border: 1px solid rgba(0, 217, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  min-height: 40px;
}

.member-link-btn:hover {
  background: var(--primary-blue);
  color: var(--dark-bg);
  transform: scale(1.15);
  box-shadow: 0 5px 15px rgba(0, 217, 255, 0.4);
}

/* ========================================
   DEPARTMENTS DETAIL SECTION
======================================== */
.departments-detail-section {
  padding: 120px 0;
  background: linear-gradient(
    180deg,
    rgba(0, 217, 255, 0.03),
    rgba(10, 14, 39, 0.5)
  );
  position: relative;
  z-index: 10;
}

.dept-detail-card {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 30px;
  background: var(--card-bg);
  border-radius: 25px;
  padding: 40px;
  margin-bottom: 30px;
  box-shadow: 0 10px 30px rgba(0, 217, 255, 0.1);
  position: relative;
  overflow: hidden;
  transition: all 0.4s ease;
  border: 1px solid rgba(0, 217, 255, 0.1);
}

.dept-detail-card:hover {
  transform: translateX(10px);
  box-shadow: 0 15px 40px rgba(0, 217, 255, 0.2);
  border-color: rgba(0, 217, 255, 0.3);
}

.dept-detail-icon {
  font-size: 70px;
  animation: iconBounce 2s ease-in-out infinite;
}

.dept-detail-content h3 {
  font-size: 26px;
  color: var(--primary-blue);
  margin-bottom: 15px;
}

.dept-detail-content p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-light);
  opacity: 0.9;
  margin-bottom: 20px;
}

.tech-stack {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.tech-item {
  padding: 8px 18px;
  background: linear-gradient(
    135deg,
    rgba(0, 217, 255, 0.15),
    rgba(0, 153, 255, 0.15)
  );
  color: var(--primary-blue);
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  border: 1px solid rgba(0, 217, 255, 0.2);
}

/* Animated Backgrounds for Departments */
.neural-network-anim,
.circuit-wave-anim,
.code-matrix-anim,
.gear-rotation-anim {
  position: absolute;
  top: 0;
  right: 0;
  width: 200px;
  height: 100%;
  opacity: 0.1;
  pointer-events: none;
}

.neural-network-anim {
  background: radial-gradient(circle, var(--primary-blue) 1px, transparent 1px);
  background-size: 20px 20px;
  animation: neuralPulse 3s ease-in-out infinite;
}

.circuit-wave-anim {
  background: linear-gradient(
    90deg,
    transparent,
    var(--primary-blue),
    transparent
  );
  animation: waveMove 2s linear infinite;
}

.code-matrix-anim {
  background: linear-gradient(
    180deg,
    transparent,
    var(--primary-blue),
    transparent
  );
  animation: matrixFall 5s linear infinite;
}

@keyframes neuralPulse {
  0%,
  100% {
    opacity: 0.1;
    transform: scale(1);
  }
  50% {
    opacity: 0.2;
    transform: scale(1.1);
  }
}

@keyframes waveMove {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

@keyframes matrixFall {
  0% {
    transform: translateY(-100%);
  }
  100% {
    transform: translateY(100%);
  }
}

/* ========================================
   PROJECTS SECTION - CREATIVE 3D CARDS
======================================== */
.projects-section {
  padding: 120px 0;
  background: linear-gradient(180deg, var(--dark-bg), var(--darker-bg));
  position: relative;
  z-index: 10;
}

.projects-intro {
  text-align: center;
  font-size: 18px;
  color: var(--text-muted);
  opacity: 0.9;
  margin-bottom: 60px;
}

.projects-showcase {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 40px;
  margin-top: 60px;
}

.project-3d-card {
  perspective: 1500px;
  height: 500px;
}

.project-3d-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.8s;
  transform-style: preserve-3d;
}

.project-3d-card:hover .project-3d-inner {
  transform: rotateY(180deg);
}

.project-front-face,
.project-back-face {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  border-radius: 25px;
  overflow: hidden;
  box-shadow: 0 15px 40px rgba(0, 217, 255, 0.2);
}

.project-front-face {
  background: var(--card-bg);
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(0, 217, 255, 0.1);
}

.project-back-face {
  background: linear-gradient(
    135deg,
    var(--primary-blue),
    var(--secondary-blue)
  );
  color: white;
  transform: rotateY(180deg);
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.project-number {
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 48px;
  font-weight: 900;
  color: var(--primary-blue);
  opacity: 0.2;
  z-index: 1;
}

.project-thumbnail {
  width: 100%;
  height: 250px;
  position: relative;
  overflow: hidden;
}

.thumbnail-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    var(--primary-blue),
    var(--secondary-blue)
  );
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: white;
  font-size: 16px;
}

.project-info-overlay {
  padding: 30px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.project-info-overlay h3 {
  font-size: 24px;
  color: var(--primary-blue);
  margin-bottom: 10px;
  font-weight: 700;
}

.project-category {
  font-size: 13px;
  color: var(--text-muted);
  opacity: 0.8;
  margin-bottom: 20px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.project-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.project-tags .tag {
  padding: 6px 15px;
  background: rgba(0, 217, 255, 0.2);
  color: var(--primary-blue);
  border-radius: 15px;
  font-size: 12px;
  font-weight: 600;
  border: 1px solid rgba(0, 217, 255, 0.3);
}

.project-back-face h3 {
  font-size: 28px;
  margin-bottom: 20px;
  color: white;
}

.project-back-face p {
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 30px;
  opacity: 0.95;
  color: rgba(255, 255, 255, 0.9);
}

.project-resources-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 15px;
}

.resource-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 15px;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border-radius: 15px;
  text-decoration: none;
  color: white;
  font-weight: 600;
  font-size: 14px;
  transition: all 0.3s ease;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.resource-item:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: translateY(-3px);
}

.resource-icon {
  font-size: 20px;
}

/* ========================================
   CONTACT SECTION
======================================== */
.contact-section {
  padding: 120px 0;
  background: linear-gradient(180deg, var(--dark-bg), var(--darker-bg));
  position: relative;
  z-index: 10;
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  margin-top: 60px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-form input,
.contact-form textarea {
  padding: 15px 20px;
  border: 1px solid rgba(0, 217, 255, 0.2);
  border-radius: 10px;
  font-family: "Poppins", sans-serif;
  font-size: 16px;
  background: rgba(0, 217, 255, 0.05);
  color: var(--text-light);
  transition: all 0.3s ease;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: var(--text-muted);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--primary-blue);
  background: rgba(0, 217, 255, 0.1);
  box-shadow: 0 0 20px rgba(0, 217, 255, 0.3);
}

.submit-btn {
  padding: 15px 40px;
  background: linear-gradient(
    135deg,
    var(--primary-blue),
    var(--secondary-blue)
  );
  color: white;
  border: none;
  border-radius: 25px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 5px 20px rgba(0, 217, 255, 0.3);
}

.submit-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0, 217, 255, 0.5);
}

.qr-container {
  text-align: center;
  margin-bottom: 40px;
}

.qr-placeholder {
  width: 200px;
  height: 200px;
  background: rgba(0, 217, 255, 0.05);
  border: 2px solid rgba(0, 217, 255, 0.3);
  border-radius: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  font-weight: 600;
  color: var(--primary-blue);
  box-shadow: 0 0 30px rgba(0, 217, 255, 0.3);
  animation: qrGlow 2s ease-in-out infinite;
}

@keyframes qrGlow {
  0%,
  100% {
    box-shadow: 0 0 30px rgba(0, 217, 255, 0.3);
  }
  50% {
    box-shadow: 0 0 50px rgba(0, 217, 255, 0.6);
  }
}

.team-socials {
  text-align: center;
}

.team-socials h3 {
  font-size: 24px;
  color: var(--primary-blue);
  margin-bottom: 20px;
}

.social-link {
  display: block;
  padding: 12px 25px;
  background: rgba(0, 217, 255, 0.1);
  color: var(--primary-blue);
  text-decoration: none;
  border-radius: 15px;
  margin-bottom: 15px;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: 0 3px 10px rgba(0, 217, 255, 0.2);
  border: 1px solid rgba(0, 217, 255, 0.2);
}

.social-link:hover {
  background: var(--primary-blue);
  color: var(--dark-bg);
  transform: translateX(10px);
  box-shadow: 0 5px 20px rgba(0, 217, 255, 0.4);
}

/* ========================================
   PROJECTS FILTER
======================================== */
.projects-filter {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin: 40px 0;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 10px 25px;
  background: rgba(0, 217, 255, 0.1);
  color: var(--primary-blue);
  border: 2px solid rgba(0, 217, 255, 0.3);
  border-radius: 25px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.3s ease;
}

.filter-btn:hover {
  background: rgba(0, 217, 255, 0.2);
  border-color: var(--primary-blue);
  transform: translateY(-2px);
}

.filter-btn.active {
  background: linear-gradient(
    135deg,
    var(--primary-blue),
    var(--secondary-blue)
  );
  color: white;
  border-color: var(--primary-blue);
  box-shadow: 0 8px 25px rgba(0, 217, 255, 0.4);
}

/* ========================================
   LIGHTBOX
======================================== */
.lightbox {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.lightbox.active {
  display: flex;
  opacity: 1;
}

.lightbox-content {
  position: relative;
  max-width: 800px;
  width: 90%;
  background: var(--card-bg);
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 217, 255, 0.4);
  animation: zoomIn 0.3s ease;
}

@keyframes zoomIn {
  from {
    transform: scale(0.9);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

.lightbox-close {
  position: absolute;
  top: 15px;
  right: 15px;
  background: rgba(0, 0, 0, 0.7);
  color: white;
  border: none;
  font-size: 32px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.3s ease;
  z-index: 2001;
}

.lightbox-close:hover {
  background: rgba(0, 217, 255, 0.8);
  transform: rotate(90deg);
}

.lightbox-image {
  width: 100%;
  height: auto;
  max-height: 500px;
  object-fit: cover;
}

.lightbox-info {
  padding: 30px;
}

.lightbox-title {
  color: var(--primary-blue);
  margin-bottom: 15px;
  font-size: 24px;
}

.lightbox-description {
  color: var(--text-muted);
  line-height: 1.6;
}

/* ========================================
   CONTACT FORM VALIDATION
======================================== */
.form-group {
  margin-bottom: 20px;
  position: relative;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 15px;
  background: rgba(0, 217, 255, 0.05);
  border: 2px solid rgba(0, 217, 255, 0.2);
  border-radius: 8px;
  color: var(--text-light);
  font-family: "Poppins", sans-serif;
  transition: all 0.3s ease;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--primary-blue);
  background: rgba(0, 217, 255, 0.1);
  box-shadow: 0 0 20px rgba(0, 217, 255, 0.2);
  outline: none;
}

.form-group input.error,
.form-group textarea.error {
  border-color: #ff4444;
  background: rgba(255, 68, 68, 0.1);
}

.error-message {
  display: none;
  color: #ff6b6b;
  font-size: 12px;
  margin-top: 5px;
}

.error-message.show {
  display: block;
}

/* ========================================
   SUCCESS/ERROR MESSAGES
======================================== */
.form-message {
  margin-top: 20px;
  padding: 15px 20px;
  border-radius: 8px;
  display: none;
  animation: slideDown 0.3s ease;
}

.form-message.show {
  display: block;
}

.success-message {
  background: rgba(0, 255, 0, 0.1);
  border: 2px solid #00ff00;
  color: #00ff00;
}

.error-message-box {
  background: rgba(255, 68, 68, 0.1);
  border: 2px solid #ff4444;
  color: #ff6b6b;
}

@keyframes slideDown {
  from {
    transform: translateY(-20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.submit-btn {
  width: 100%;
  padding: 15px;
  background: linear-gradient(
    135deg,
    var(--primary-blue),
    var(--secondary-blue)
  );
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0, 217, 255, 0.4);
}

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

.submit-btn.loading {
  opacity: 0.7;
  pointer-events: none;
}

.submit-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ========================================
   FOOTER
======================================== */
footer {
  background: var(--darker-bg);
  color: var(--text-light);
  text-align: center;
  padding: 30px 0;
  border-top: 1px solid rgba(0, 217, 255, 0.1);
}

/* ========================================
   RESPONSIVE DESIGN
======================================== */
@media (max-width: 1024px) {
  .projects-showcase {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }

  .dept-detail-card {
    grid-template-columns: 80px 1fr;
    gap: 20px;
    padding: 30px;
  }

  .dept-detail-icon {
    font-size: 60px;
  }
}

@media (max-width: 768px) {
  /* Header Mobile */
  .header-container {
    flex-direction: column;
    gap: 15px;
    padding: 15px 20px;
  }

  .team-name {
    font-size: 16px;
  }

  .mobile-menu-toggle {
    display: block;
  }

  .nav-menu {
    display: none;
    flex-direction: column;
    width: 100%;
    background: white;
    padding: 20px;
    border-radius: 15px;
    margin-top: 15px;
    box-shadow: 0 5px 15px rgba(15, 76, 129, 0.1);
  }

  .nav-menu.active {
    display: flex;
  }

  .nav-link {
    padding: 10px 0;
    font-size: 16px;
  }

  /* Hero */
  .hero-title {
    font-size: 32px;
  }

  .hero-subtitle {
    font-size: 16px;
  }

  .cta-button {
    padding: 15px 35px;
    font-size: 16px;
  }

  /* Section Title */
  .section-title {
    font-size: 28px;
  }

  /* Team Leader */
  .leader-card {
    padding: 40px 25px 30px;
  }

  .leader-name {
    font-size: 26px;
  }

  .leader-socials {
    flex-direction: column;
  }

  .leader-social-btn {
    width: 100%;
    justify-content: center;
  }

  /* Departments Grid */
  .departments-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .dept-logo {
    font-size: 60px;
  }

  /* Modal */
  .modal-content {
    width: 95%;
    padding: 30px 20px;
    max-height: 90vh;
  }

  .modal-dept-icon {
    font-size: 50px;
  }

  .modal-dept-name {
    font-size: 24px;
  }

  .members-grid {
    grid-template-columns: 1fr;
  }

  /* Department Details */
  .dept-detail-card {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 25px;
  }

  .dept-detail-icon {
    font-size: 50px;
    margin: 0 auto 20px;
  }

  .tech-stack {
    justify-content: center;
  }

  /* Projects */
  .projects-showcase {
    grid-template-columns: 1fr;
  }

  .project-3d-card {
    height: 450px;
  }

  .project-resources-grid {
    grid-template-columns: 1fr;
  }

  /* Contact */
  .contact-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 26px;
  }

  .hero-subtitle {
    font-size: 14px;
  }

  .section-title {
    font-size: 24px;
  }

  .leader-image .image-placeholder {
    width: 140px;
    height: 140px;
  }

  .leader-name {
    font-size: 22px;
  }

  .leader-skills {
    flex-direction: column;
    align-items: center;
  }

  .dept-logo-card {
    padding: 30px 20px;
  }

  .project-thumbnail {
    height: 200px;
  }

  .project-info-overlay {
    padding: 20px;
  }

  .project-info-overlay h3 {
    font-size: 20px;
  }
}

/* ========================================
   ANIMATIONS & UTILITIES
======================================== */
@keyframes iconBounce {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--pale-blue);
  border-radius: 50%;
  opacity: 0;
}

/* Smooth Scrolling */
html {
  scroll-behavior: smooth;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--darker-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--primary-blue);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--secondary-blue);
}

/* ========================================
   NAVBAR: Transparent -> Scrolled Black
======================================== */
header.header--transparent {
  background: transparent !important;
  border-bottom: none !important;
  box-shadow: none !important;
}

header.scrolled {
  background: rgba(0, 0, 0, 0.9) !important;
  backdrop-filter: blur(8px) !important;
  border-bottom: 1px solid rgba(0, 0, 0, 0.12) !important;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.6) !important;
  transition: background-color 280ms ease, box-shadow 280ms ease,
    border-color 280ms ease;
}

/* Nav link hover micro animation */
.nav-link {
  transition: transform 220ms cubic-bezier(0.2, 0.9, 0.2, 1), color 220ms ease,
    letter-spacing 220ms ease;
}
.nav-link:hover {
  transform: translateY(-3px) scale(1.02);
  letter-spacing: 0.6px;
  color: var(--neon-cyan);
}

/* Mobile menu smooth open/close using max-height transition */
@media (max-width: 768px) {
  .nav-menu {
    display: flex !important;
    flex-direction: column;
    width: 100%;
    background: rgba(6, 10, 28, 0.95);
    padding: 10px 18px;
    border-radius: 12px;
    margin-top: 12px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.6);
    max-height: 0;
    overflow: hidden;
    transform-origin: top center;
    opacity: 0;
    transform: translateY(-6px);
    transition: max-height 360ms cubic-bezier(0.2, 0.9, 0.2, 1),
      opacity 260ms ease, transform 260ms ease;
  }

  .nav-menu.active {
    max-height: 500px;
    opacity: 1;
    transform: translateY(0);
  }
}

/* ========================================
   TEAM / MEMBER CARD: Circle images + hover overlay
======================================== */
.member-photo img.member-photo-img {
  width: 92px;
  height: 92px;
  object-fit: cover;
  border-radius: 50%;
  border: 3px solid rgba(0, 217, 255, 0.08);
  box-shadow: 0 12px 40px rgba(0, 217, 255, 0.08);
  display: block;
  transition: transform 300ms ease, filter 300ms ease;
}

.member-card {
  position: relative;
  overflow: hidden;
}

.member-card .member-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 16px;
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0) 0%,
    rgba(0, 0, 0, 0.55) 60%
  );
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 260ms ease, transform 260ms ease;
}

.member-card:hover .member-overlay {
  opacity: 1;
  transform: translateY(0);
}

.member-card:hover img.member-photo-img {
  transform: scale(1.06);
  filter: blur(0.6px) saturate(1.05);
}

.view-profile-btn {
  padding: 8px 14px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--primary-blue), var(--neon-cyan));
  color: white;
  border: none;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 6px 18px rgba(0, 217, 255, 0.18);
}

/* ========================================
   MEMBER MICRO-PAGE OVERLAY
======================================== */
.member-micro-overlay {
  position: fixed;
  inset: 0;
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.75);
}

.member-micro-card {
  width: min(920px, 94%);
  background: linear-gradient(180deg, var(--card-bg), rgba(10, 14, 32, 0.9));
  border-radius: 18px;
  padding: 26px;
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 20px;
  box-shadow: 0 40px 120px rgba(0, 0, 0, 0.6);
  animation: microSlideIn 420ms cubic-bezier(0.2, 0.9, 0.2, 1);
  border: 1px solid rgba(0, 217, 255, 0.08);
}

@keyframes microSlideIn {
  from {
    transform: translateY(20px) scale(0.98);
    opacity: 0;
  }
  to {
    transform: translateY(0) scale(1);
    opacity: 1;
  }
}

.member-micro-card .micro-photo {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  overflow: hidden;
}
.member-micro-card .micro-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.member-micro-card .micro-content h3 {
  color: var(--primary-blue);
  margin-bottom: 6px;
}
.member-micro-card .micro-content p {
  color: var(--text-light);
  line-height: 1.6;
}

.member-micro-close {
  position: absolute;
  top: 18px;
  right: 18px;
  background: transparent;
  border: none;
  color: var(--neon-cyan);
  font-size: 28px;
  cursor: pointer;
}

/* Disable 180deg flip for cards on the Members page only */
#members .project-3d-inner {
  transform: none !important;
  transition: transform 0.18s ease !important;
}
#members .project-3d-card:hover .project-3d-inner {
  transform: none !important;
}