/* ==========================
   THEME VARIABLES
   (Switch theme by changing only this block)
========================== */

/* 🌞 LIGHT THEME */
/*
:root {
  --bg: #f8f9ff;
  --text: #0f172a;
  --muted: #475569;

  --card: rgba(255, 255, 255, 0.7);
  --card-border: rgba(15, 23, 42, 0.08);

  --glass: rgba(255, 255, 255, 0.55);
  --glass-border: rgba(15, 23, 42, 0.12);

  --nav-bg: rgba(255, 255, 255, 0.65);
  --nav-border: rgba(15, 23, 42, 0.08);

  --primary: #4f46e5;
  --secondary: #8b5cf6;
  --accent: #06b6d4;

  --shadow: rgba(15, 23, 42, 0.1);

  --grid-line: rgba(0, 0, 0, 0.04);

  --orb1: #8b5cf6;
  --orb2: #3b82f6;
  --orb3: #06b6d4;
}
*/


/* 🌙 DARK THEME */
:root {
  --bg: #050a14;
  --text: #e2e8f0;
  --muted: rgba(255, 255, 255, 0.75);

  --card: rgba(15, 23, 42, 0.65);
  --card-border: rgba(255, 255, 255, 0.08);

  --glass: rgba(255, 255, 255, 0.15);
  --glass-border: rgba(255, 255, 255, 0.25);

  --nav-bg: rgba(15, 23, 42, 0.65);
  --nav-border: rgba(255, 255, 255, 0.08);

  --primary: #6366f1;
  --secondary: #a855f7;
  --accent: #06b6d4;

  --shadow: rgba(0, 0, 0, 0.45);

  --grid-line: rgba(255, 255, 255, 0.05);

  --orb1: #7c3aed;
  --orb2: #2563eb;
  --orb3: #06b6d4;
}



/* ==========================
   GLOBAL RESET
========================== */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: auto;
}

section {
  scroll-margin-top: 80px;
}



/* ==========================
   BACKGROUND EFFECTS
========================== */

.bg-effects {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.55;
  animation: float 8s ease-in-out infinite;
}

.orb1 {
  width: 450px;
  height: 450px;
  background: var(--orb1);
  top: -180px;
  left: -180px;
}

.orb2 {
  width: 520px;
  height: 520px;
  background: var(--orb2);
  bottom: -220px;
  right: -200px;
  animation-delay: 2s;
}

.orb3 {
  width: 340px;
  height: 340px;
  background: var(--orb3);
  top: 40%;
  left: 55%;
  animation-delay: 4s;
}

@keyframes float {
  0% {
    transform: translateY(0px) translateX(0px);
  }
  50% {
    transform: translateY(-30px) translateX(20px);
  }
  100% {
    transform: translateY(0px) translateX(0px);
  }
}

.grid-overlay {
  position: absolute;
  width: 100%;
  height: 100%;
  background-image: linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: 80px 80px;
  opacity: 0.18;
}



/* ==========================
   NAVBAR
========================== */

.navbar {
  position: sticky;
  top: 0;
  z-index: 999;
  padding: 15px 0;
  background: var(--nav-bg);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--nav-border);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo img {
  width: 55px;
  height: 55px;
  object-fit: contain;
  border-radius: 50%;
}

.logo span {
  color: var(--text);
  font-size: 18px;
  font-weight: 700;
}

.nav-links {
  display: flex;
  gap: 22px;
}

.nav-links a {
  text-decoration: none;
  color: rgba(255, 255, 255, 0.8);
  font-weight: 500;
  transition: 0.3s;
}

.nav-links a:hover {
  color: #60a5fa;
}

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

.nav-btn {
  text-decoration: none;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  color: white;
  padding: 10px 18px;
  border-radius: 14px;
  font-weight: 600;
  box-shadow: 0px 15px 35px rgba(79, 70, 229, 0.25);
  transition: 0.3s;
}

.nav-btn:hover {
  transform: translateY(-2px);
}

.menu-btn {
  display: none;
  font-size: 28px;
  cursor: pointer;
}



/* ==========================
   HERO SLIDER
========================== */

.hero-slider {
  height: 92vh;
  position: relative;
  overflow: hidden;
}

.slider {
  height: 100%;
  width: 100%;
  position: relative;
}

.slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transform: scale(1.05);
  transition: opacity 1s ease, transform 1.2s ease;
}

.slide.active {
  opacity: 1;
  transform: scale(1);
}

.overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.7);
}

.slide-content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 950px;
  padding-top: 40px;
  color: white;
}

.pill {
  display: inline-block;
  padding: 8px 15px;
  border-radius: 50px;
  background: rgba(255, 255, 255, 0.15);
  color: white;
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 18px;
  backdrop-filter: blur(10px);
}

.slide-content h1 {
  font-size: 55px;
  line-height: 1.15;
  margin-bottom: 15px;
}

.gradient-text {
  background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.slide-content p {
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.88);
  max-width: 750px;
}

.hero-buttons {
  margin-top: 25px;
  display: flex;
  gap: 15px;
}

.btn {
  padding: 12px 22px;
  border-radius: 16px;
  font-weight: 700;
  text-decoration: none;
  transition: 0.3s;
}

.primary {
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  color: white;
  box-shadow: 0px 15px 35px rgba(79, 70, 229, 0.35);
}

.primary:hover {
  transform: translateY(-3px);
}

.glass {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  color: white;
  backdrop-filter: blur(12px);
}

.glass:hover {
  transform: translateY(-3px);
}

.hero-stats {
  margin-top: 35px;
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
}

.stat-card {
  flex: 1;
  min-width: 160px;
  padding: 18px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(12px);
  transition: 0.3s;
}

.stat-card:hover {
  transform: translateY(-5px);
  box-shadow: 0px 20px 50px rgba(0, 0, 0, 0.25);
}

.stat-card h3 {
  font-size: 26px;
  color: white;
}

.stat-card p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.85);
}

/* DOTS */
.slider-dots {
  position: absolute;
  bottom: 35px;
  width: 100%;
  display: flex;
  justify-content: center;
  gap: 10px;
  z-index: 5;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.45);
  cursor: pointer;
  transition: 0.3s;
}

.dot.active {
  background: white;
  transform: scale(1.2);
}



/* ==========================
   SECTION TITLES
========================== */

.section-title {
  text-align: center;
  font-size: 38px;
  margin-bottom: 10px;
}

.section-subtitle {
  text-align: center;
  max-width: 750px;
  margin: auto;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 45px;
}



/* ==========================
   ABOUT
========================== */

.about {
  padding: 40px 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 45px;
  align-items: center;
}

.about-image img {
  width: 100%;
  height: 420px;
  border-radius: 24px;
  box-shadow: 0px 30px 70px rgba(0, 0, 0, 0.35);
  border: 1px solid var(--card-border);
}

.about-text h2 {
  font-size: 38px;
  margin-bottom: 15px;
}

.about-text p {
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 14px;
}

.about-highlights {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.highlight-card {
  padding: 14px;
  border-radius: 18px;
  background: var(--card);
  border: 1px solid var(--card-border);
  font-weight: 600;
  transition: 0.3s;
}

.highlight-card:hover {
  transform: translateY(-5px);
  box-shadow: 0px 18px 40px var(--shadow);
}



/* ==========================
   TRUSTBAR (CERTIFICATIONS)
========================== */

.trustbar {
  padding: 10px 0;
}

.trustbar-box {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  padding: 22px;
  border-radius: 28px;
  background: var(--card);
  border: 1px solid var(--card-border);
  backdrop-filter: blur(14px);
  box-shadow: 0px 25px 60px var(--shadow);
}

.trust-item {
  text-align: center;
  padding: 18px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--card-border);
  transition: 0.3s;
}

.trust-item:hover {
  transform: translateY(-6px);
  box-shadow: 0px 20px 50px var(--shadow);
}

.trust-item h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.trust-item p {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}



/* ==========================
   SERVICES
========================== */

.services {
  padding: 95px 0;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.service-card {
  padding: 26px;
  border-radius: 26px;
  background: var(--card);
  border: 1px solid var(--card-border);
  backdrop-filter: blur(12px);
  transition: 0.35s;
  position: relative;
  overflow: hidden;
  text-align: center;
}

.service-card::before {
  content: "";
  position: absolute;
  width: 120%;
  height: 120%;
  top: -60%;
  left: -60%;
  background: radial-gradient(circle, rgba(79, 70, 229, 0.25), transparent 60%);
  opacity: 0;
  transition: 0.4s;
}

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

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: 0px 25px 70px var(--shadow);
}

.service-card img {
  width: 95px;
  height: 95px;
  object-fit: contain;
  display: block;
  margin: 0 auto 18px auto;
}

.service-card h3 {
  margin-bottom: 10px;
  font-size: 18px;
}

.service-card p {
  color: var(--muted);
  line-height: 1.7;
  font-size: 14px;
}



/* ==========================
   INTERNSHIP
========================== */

.internship {
  padding: 45px 0;
}

.internship-box {
  padding: 30px 30px;
  border-radius: 30px;
  background: var(--card);
  border: 1px solid var(--card-border);
  backdrop-filter: blur(12px);
  box-shadow: 0px 30px 80px var(--shadow);
  text-align: center;
}

.internship-box h2 {
  font-size: 38px;
  margin-bottom: 14px;
}

.internship-box p {
  color: var(--muted);
  max-width: 850px;
  margin: auto;
  line-height: 1.8;
}

.intern-grid {
  margin-top: 30px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.intern-card {
  padding: 16px;
  border-radius: 20px;
  background: rgba(79, 70, 229, 0.12);
  font-weight: 600;
  transition: 0.3s;
}

.intern-card:hover {
  transform: translateY(-5px);
  background: rgba(79, 70, 229, 0.18);
}

.sub-heading {
  margin-top: 35px;
  font-size: 20px;
}

.domain-tags {
  margin: 20px;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}

.domain-tags span {
  background: rgba(255, 255, 255, 0.06);
  padding: 10px 16px;
  border-radius: 40px;
  border: 1px solid var(--card-border);
  font-weight: 700;
  color: var(--primary);
}



/* ==========================
   WHY US
========================== */

.whyus {
  padding: 95px 0;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.why-card {
  padding: 20px;
  border-radius: 22px;
  background: var(--card);
  border: 1px solid var(--card-border);
  font-weight: 600;
  transition: 0.3s;
}

.why-card:hover {
  transform: translateY(-7px);
  box-shadow: 0px 25px 60px var(--shadow);
}



/* ==========================
   MOU SECTION
========================== */

.mou {
  padding: 25px 0;
}

.mou-box {
  max-width: 900px;
  margin: auto;
  padding: 30px;
  border-radius: 26px;
  background: var(--card);
  border: 1px solid var(--card-border);
  backdrop-filter: blur(12px);
  box-shadow: 0px 25px 60px var(--shadow);
}

.mou-box p {
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 14px;
}

.logo-title {
  text-align: center;
  margin-top: 30px;
  margin-bottom: 20px;
  font-size: 22px;
}



/* COLLEGE SLIDER */
.college-slider {
  width: 100%;
  overflow: hidden;
  margin-top: 25px;
  margin-bottom: 50px;
  position: relative;
}

.college-track {
  display: flex;
  align-items: center;
  gap: 22px;
  width: max-content;
  animation: scrollLogos 35s linear infinite;
}

.college-track img {
  width: 160px;
  height: 90px;
  object-fit: contain;
  padding: 12px 16px;
  background: white;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0px 15px 35px rgba(0, 0, 0, 0.35);
  flex-shrink: 0;
  transition: 0.2s;
}

.college-track img:hover {
  transform: scale(1.08);
}

@keyframes scrollLogos {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

.college-slider:hover .college-track {
  animation-play-state: paused;
}



/* BENEFITS */
.benefit-box {
  max-width: 900px;
  margin: auto;
  padding: 35px;
  border-radius: 28px;
  background: var(--card);
  border: 1px solid var(--card-border);
  backdrop-filter: blur(12px);
  box-shadow: 0px 25px 60px var(--shadow);
  text-align: center;
}

.benefit-box h3 {
  font-size: 22px;
  margin-bottom: 20px;
}

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

.benefit-card {
  padding: 14px;
  border-radius: 18px;
  background: rgba(79, 70, 229, 0.12);
  font-weight: 600;
}



/* ==========================
   CONTACT
========================== */

.contact {
  padding: 45px 0;
}

.contact-box {
  padding: 55px 35px;
  border-radius: 30px;
  background: var(--card);
  border: 1px solid var(--card-border);
  backdrop-filter: blur(12px);
  box-shadow: 0px 30px 80px var(--shadow);
  text-align: center;
}

.contact-grid {
  margin-top: 30px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.contact-card {
  padding: 22px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--card-border);
  transition: 0.3s;
}

.contact-card:hover {
  transform: translateY(-7px);
  box-shadow: 0px 25px 60px var(--shadow);
}

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

.contact-card p {
  color: var(--muted);
  line-height: 1.7;
}



/* ==========================
   FOOTER
========================== */

.footer {
  padding: 22px 0;
  background: #0f172a;
  color: #cbd5ff;
}

.footer-flex {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

.footer-right {
  display: flex;
  gap: 14px;
  align-items: center;
}

.social-icon img {
  width: 34px;
  height: 34px;
  object-fit: contain;
  transition: 0.3s;
  border-radius: 7px;
}

.social-icon img:hover {
  transform: scale(1.15);
  opacity: 0.8;
}



/* ==========================
   REVEAL ANIMATION
========================== */

.reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: 0.9s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0px);
}



/* ==========================
   RESPONSIVE
========================== */

@media (max-width: 992px) {
  .about-grid {
    grid-template-columns: 1fr;
  }

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

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

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

  .trustbar-box {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .about-image img{
    height: 280px;
  }

  .slide-content h1 {
    font-size: 36px;
  }

  .slide-content p {
    font-size: 15px;
  }

  .hero-slider {
    height: 85vh;
  }

  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }

  .btn {
    text-align: center;
  }

  .nav-links {
    position: absolute;
    top: 75px;
    right: 20px;
    width: 240px;
    background: rgba(15, 23, 42, 0.95);
    flex-direction: column;
    padding: 15px;
    border-radius: 18px;
    display: none;
    box-shadow: 0px 25px 70px rgba(0, 0, 0, 0.45);
  }

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

  .menu-btn {
    display: block;
  }

  .nav-btn {
    display: none;
  }

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

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

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

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

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

  .footer-flex {
    flex-direction: column;
    text-align: center;
  }

  .trustbar-box {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    padding: 16px;
  }

  .trust-item {
    padding: 14px;
    border-radius: 18px;
    min-height: 85px;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .trust-item h4 {
    font-size: 12px;
  }

  .trust-item p {
    font-size: 12px;
    word-break: break-word;
  }
}