@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600;700&family=Orbitron:wght@600&display=swap');
* {
  box-sizing: border-box;
}

html, body {
  overflow-x: hidden; /* ✅ prevents any horizontal scroll clipping */
}
body {
  transition: background 0.5s ease, color 0.5s ease;
}

/* ===== Variables ===== */
:root {
  --neon-blue: #00c4cc;
  --neon-light: #4db8ff;
  --dark-bg: #0a0a0a;
  --light-bg: #f8f9fa;
  --dark-section: #101010;
  --light-section: #ffffff;
  --dark-card: #151515;
  --light-card: #f4f4f4;
  --text-light: #f3f3f3;
  --text-dark: #1a1a1a;
  --muted: #999;
  --transition: 0.4s ease;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px; /* same height as navbar */
}

body {
  font-family: 'Poppins', sans-serif;
  margin: 0;
  background: var(--dark-bg);
  color: var(--text-light);
  transition: background var(--transition), color var(--transition);
  line-height: 1.7;
}

/* ===== Light Mode ===== */
body.light {
  background: var(--light-bg);
  color: var(--text-dark);
}

/* ===== Theme Toggle ===== */
#theme-toggle {
  position: fixed;
  bottom: 25px;
  right: 25px;
  background: var(--neon-blue);
  border: none;
  border-radius: 50%;
  width: 46px;
  height: 46px;
  cursor: pointer;
  font-size: 20px;
  color: #000;
  box-shadow: 0 0 15px var(--neon-blue);
  transition: all 0.3s ease;
  z-index: 200;
}
#theme-toggle:hover {
  transform: scale(1.1);
  box-shadow: 0 0 25px var(--neon-light);
}

/* ===== Navbar ===== */
/* ===== Navbar (Tech Redesign) ===== */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 40px;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.85);
  border-bottom: 1px solid rgba(0, 230, 255, 0.15);
  backdrop-filter: blur(14px);
  box-shadow: 0 2px 20px rgba(0, 230, 255, 0.08);
  transition: all 0.4s ease;
}

/* Light Mode Navbar */
body.light .navbar {
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
}

/* Navbar Title (Logo Text) */
.navbar h1 {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--neon-blue);
  text-shadow: 0 0 8px rgba(0, 230, 255, 0.6);
  transition: color 0.3s ease, text-shadow 0.3s ease;
}
body.light .navbar h1 {
  color: #0077b6;
  text-shadow: none;
}
.navbar h1:hover {
  color: var(--neon-light);
  text-shadow: 0 0 14px rgba(77, 184, 255, 0.8);
}

/* Nav Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
}
.nav-links a {
  color: var(--text-light);
  text-decoration: none;
  font-weight: 500;
  position: relative;
  transition: all 0.3s ease;
  padding: 6px 4px;
}
body.light .nav-links a {
  color: var(--text-dark);
}

/* Hover underline effect */
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0%;
  height: 2px;
  background: var(--neon-blue);
  transition: width 0.3s ease;
}
.nav-links a:hover::after {
  width: 100%;
}
.nav-links a:hover {
  color: var(--neon-blue);
}

/* Theme Toggle inside navbar (new style) */
.nav-links button {
  background: var(--neon-blue);
  border: none;
  border-radius: 50%;
  width: 38px;
  height: 38px;
  cursor: pointer;
  font-size: 18px;
  margin-left: 8px;
  color: #000;
  box-shadow: 0 0 10px var(--neon-blue);
  transition: 0.3s ease;
}
.nav-links button:hover {
  transform: rotate(20deg) scale(1.1);
  box-shadow: 0 0 20px var(--neon-light);
}

/* Smaller screens */
@media (max-width: 700px) {
  .navbar {
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 25px;
  }
  .nav-links {
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 8px;
  }
}
/* ===== Hero Title ===== */
.hero .title {
  font-size: 2.6rem;        /* BIG */
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 18px;
}

/* Subtitle / Description */
.hero p {
  font-size: 1.15rem;
  max-width: 820px;
  margin: 0 auto;
  color: #d1d5db;
  line-height: 1.75;
}


/* ===== Hero ===== */
/* ===== Hero Primary Buttons ===== */
.hero .project-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
}

.hero .btn {
  padding: 16px 32px;              /* BIG buttons */
  font-size: 1.05rem;
  font-weight: 600;
  border-radius: 14px;
  letter-spacing: 0.4px;
}

/* GitHub = primary */
.hero .btn.green {
  background: linear-gradient(90deg, #16a34a, #22c55e);
  box-shadow: 0 0 25px rgba(34, 197, 94, 0.45);
}

/* Analysis Flow = secondary */
.hero .btn.blue {
  border: 2px solid var(--neon-blue);
  background: transparent;
  color: var(--neon-blue);
}

/* Hover effect */
.hero .btn:hover {
  transform: translateY(-4px);
  box-shadow: 0 0 30px var(--neon-blue);
}

/* ===== Hero ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  flex-direction: column;
  padding: 100px 20px;
  background: linear-gradient(180deg, #0d0d0d, #112233); /* 👈 default gradient is now the hover one */
  transition: var(--transition);
}
body.light .hero {
  background: linear-gradient(180deg, #ffffff, #dee2e6); /* light mode smooth gradient */
}

/* Remove the hover color change — stays consistent */
.hero:hover {
  background: linear-gradient(180deg, #0d0d0d, #112233);
}
body.light .hero:hover {
  background: linear-gradient(180deg, #ffffff, #dee2e6);
}

.hero-img {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 20px;
  box-shadow: 0 0 20px rgba(0,0,0,0.5);
  transition: var(--transition);
}
.hero-img:hover {
  transform: scale(1.05);
  box-shadow: 0 0 30px var(--neon-light);
}
.hero h2 {
  font-size: 1.8rem;
  font-weight: 700;
  background: linear-gradient(90deg, var(--neon-blue), var(--neon-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero p {
  max-width: 700px;
  color: #ccc;
  margin: 15px auto;
}
body.light .hero p {
  color: #444;
}
.btn {
  display: inline-block;
  margin-top: 18px;
  padding: 12px 22px;
  background: linear-gradient(90deg, var(--neon-blue), var(--neon-light));
  color: #000;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
}
.btn:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 0 25px var(--neon-light);
}

/* ===== Sections ===== */
section {
  padding: 100px 25px;
  text-align: center;
  transition: background var(--transition), color var(--transition);
}
.about, .project, .workflow, .visuals {
  background: var(--dark-section);
}
body.light .about,
body.light .project,
body.light .workflow,
body.light .visuals {
  background: var(--light-section);
}

/* === About Section === */
.about {
  min-height: 100vh;
  padding: 100px 20px;
  background: linear-gradient(180deg, #0d0d0d, #06121b);
  color: #eaeaea;
  transition: var(--transition);
}

body.light .about {
  background: linear-gradient(180deg, #ffffff, #e3f2fd);
  color: #111;
}

/* Title */
.about .section-title {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 50px;
  color: #00ffff;
  text-shadow: 0 0 12px rgba(0, 255, 255, 0.4);
}

/* Layout */
.about-container {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  max-width: 1100px;
  margin: auto;
  flex-wrap: wrap;
}

/* Text */
.about-text {
  flex: 1 1 500px;
  line-height: 1.7;
  font-size: 1.05rem;
}

.about-text b {
  color: #00ffff;
}

.highlight {
  color: #00ffff;
  font-weight: 600;
}

/* Skills Panel */
.skills-panel {
  flex: 1 1 350px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(0, 255, 255, 0.3);
  border-radius: 16px;
  padding: 25px;
  box-shadow: 0 0 15px rgba(0, 255, 255, 0.2);
  text-align: center;
  transition: all 0.4s ease;
  backdrop-filter: blur(10px);
}

body.light .skills-panel {
  background: rgba(255, 255, 255, 0.8);
  border-color: #c0c0c0;
}

/* Hover */
.skills-panel:hover {
  transform: translateY(-6px);
  box-shadow: 0 0 30px rgba(0, 255, 255, 0.4);
}

/* Skills Grid */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 15px;
  margin-top: 20px;
}

.skills-grid span {
  display: inline-block;
  padding: 8px 12px;
  border-radius: 10px;
  background: rgba(0, 255, 255, 0.1);
  border: 1px solid rgba(0, 255, 255, 0.4);
  font-size: 0.9rem;
  font-weight: 500;
  color: #00ffff;
  transition: all 0.3s ease;
  text-align: center;
}

/* Hover Animation */
.skills-grid span:hover {
  background: #00ffff;
  color: #000;
  transform: translateY(-4px);
  box-shadow: 0 0 15px #00ffff;
}

/* === Project Section === */
.project {
  padding: 100px 20px;
  background: linear-gradient(180deg, #030b15, #0d0d0d);
  color: #eaeaea;
  text-align: center;
  transition: all 0.4s ease;
}

body.light .project {
  background: linear-gradient(180deg, #f8f9fa, #e3f2fd);
  color: #111;
}

.project .section-title {
  font-size: 2rem;
  margin-bottom: 60px;
  color: #00ffff;
  text-shadow: 0 0 18px rgba(0, 255, 255, 0.6);
  letter-spacing: 1px;
}

/* Project Container */
.project-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  max-width: 1100px;
  margin: auto;
}

/* Project Card */
.project-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(0, 255, 255, 0.3);
  border-radius: 16px;
  padding: 25px;
  text-align: left;
  box-shadow: 0 0 20px rgba(0, 255, 255, 0.1);
  backdrop-filter: blur(8px);
  transition: all 0.4s ease;
  overflow: hidden;
}

body.light .project-card {
  background: rgba(255, 255, 255, 0.8);
  border-color: #ccc;
  color: #111;
  box-shadow: 0 0 12px rgba(0, 0, 0, 0.1);
}

/* Hover Effect */
.project-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 0 35px rgba(0, 255, 255, 0.4);
  border-color: #00ffff;
}

/* Headings */
.project-card h4 {
  color: #00ffff;
  font-size: 1.2rem;
  margin-bottom: 10px;
}

/* Text */
.project-card p,
.project-card li {
  font-size: 0.95rem;
  line-height: 1.6;
  color: #ccc;
}

body.light .project-card p,
body.light .project-card li {
  color: #222;
}

/* List Styling */
.project-card ul {
  list-style: none;
  padding: 0;
}
.project-card li {
  margin-bottom: 6px;
}

/* Buttons */
.project-buttons {
  margin-top: 15px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 10px 16px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
  border: 1px solid transparent;
}

.btn.green {
  background: #16a34a;
  color: #fff;
}
.btn.green:hover {
  background: #22c55e;
  transform: translateY(-3px);
  box-shadow: 0 0 10px #22c55e;
}

.btn.blue {
  background: transparent;
  border: 1px solid #00ffff;
  color: #00ffff;
}
.btn.blue:hover {
  background: #00ffff;
  color: #000;
  box-shadow: 0 0 15px #00ffff;
  transform: translateY(-3px);
}


/* ===== Workflow Section ===== */
.workflow h3 {
  color: var(--neon-blue);
  font-family: 'Orbitron', sans-serif;
  margin-bottom: 30px;
}
.workflow-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 25px;
  max-width: 1000px;
  margin: auto;
}
.card {
  background: var(--dark-card);
  border-radius: 15px;
  overflow: hidden;
  transition: var(--transition);
  border: 1px solid rgba(255,255,255,0.05);
}
body.light .card {
  background: var(--light-card);
  border: 1px solid rgba(0,0,0,0.1);
}
.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 0 20px var(--neon-blue);
}
.card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}
.card h4 {
  padding: 12px;
  color: var(--neon-light);
  font-weight: 600;
}

/* ===== Gallery Section ===== */
.visuals h3 {
  color: var(--neon-blue);
  font-family: 'Orbitron', sans-serif;
  margin-bottom: 30px;
}
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
  max-width: 1000px;
  margin: auto;
}
.gallery img {
  width: 100%;
  border-radius: 10px;
  transition: var(--transition);
  box-shadow: 0 0 12px rgba(0,0,0,0.4);
}
.gallery img:hover {
  transform: scale(1.05);
  box-shadow: 0 0 20px var(--neon-blue);
}

/* === Footer === */
.footer {
  padding: 80px 20px;
  background: linear-gradient(180deg, #030b15, #000);
  color: #eaeaea;
  text-align: center;
  border-top: 1px solid rgba(0, 255, 255, 0.3);
  transition: all 0.4s ease;
}

body.light .footer {
  background: linear-gradient(180deg, #e3f2fd, #f8f9fa);
  color: #111;
  border-top: 1px solid #ccc;
}

.footer h3 {
  font-size: 1.6rem;
  margin-bottom: 20px;
  color: #00ffff;
  text-shadow: 0 0 15px rgba(0, 255, 255, 0.6);
}

.footer a {
  color: #00ffff;
  text-decoration: none;
  transition: all 0.3s ease;
}

.footer a:hover {
  color: #fff;
  text-shadow: 0 0 10px #00ffff;
}

/* Social Links */
.social-links {
  margin: 25px 0;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
}

.social {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid #00ffff;
  padding: 10px 20px;
  border-radius: 10px;
  color: #00ffff;
  transition: all 0.3s ease;
  font-weight: 500;
}

.social:hover {
  background: #00ffff;
  color: #000;
  box-shadow: 0 0 15px #00ffff;
  transform: translateY(-3px);
}

/* Different hover tones for each platform */
.social.github:hover { box-shadow: 0 0 15px #00ffff; }
.social.leetcode:hover { box-shadow: 0 0 15px #ffcc00; background: #ffcc00; color: #000; }
.social.linkedin:hover { box-shadow: 0 0 15px #0a66c2; background: #0a66c2; color: #fff; }

/* Footer Copyright */
.footer-copy {
  margin-top: 30px;
  font-size: 0.9rem;
  opacity: 0.8;
}
/* ===== Background Video ===== */
.background-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -1; /* ensures it stays behind content */
  filter: brightness(0.35) saturate(1.2); /* darkens & enhances video for contrast */
  transition: filter 0.5s ease;
}

/* Optional hover enhancement */
.hero:hover .background-video {
  filter: brightness(0.45) saturate(1.3);
}

/* Adjust hero for video layering */
.hero {
  position: relative;
  overflow: hidden;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  text-align: center;
  padding: 100px 20px;
  color: white;
  backdrop-filter: blur(0px);
}

/* Adjust text contrast for readability */
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  padding: 20px;
}

/* Dark overlay effect for extra readability (optional) */
.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.45);
  z-index: 0;
  pointer-events: none;
}
.workflow .btn {
  display: inline-block;
  margin: 10px auto 20px;
  text-align: center;
  font-size: 0.9rem;
}
@media (max-width: 600px) {
  .hero .title {
    font-size: 2.1rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .hero .project-buttons {
    flex-direction: column;
  }

  .hero .btn {
    width: 100%;
    text-align: center;
  }
}