/* ---------------- Reset & Base ---------------- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  background: #f7f8fc; /* Softer background */
  color: #2c2c2c;
  scroll-behavior: smooth;
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 40px 20px;
}

/* ---------------- Card Layout ---------------- */
.card {
  background: #fff;
  border-radius: 12px;
  padding: 30px;
  margin-bottom: 40px;
  box-shadow: 0 6px 18px rgba(0,0,0,0.08);
}

/* ---------------- Header / Landing ---------------- */
header {
  text-align: center;
  padding: 100px 20px;
  background: linear-gradient(120deg, #6a11cb, #2575fc); /* Purple to Blue gradient */
  color: #fff;
}

nav ul {
  display: flex;
  justify-content: center;
  list-style: none;
  gap: 30px;
  background: rgba(255,255,255,0.85);
  padding: 15px 0;
  margin-bottom: 30px;
  border-radius: 12px;
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(10px);
}

nav ul li a {
  text-decoration: none;
  color: #6a11cb; /* Purple tone */
  font-weight: 600;
  transition: color 0.3s;
}

nav ul li a:hover,
nav ul li a.active {
  color: #2575fc; /* Blue tone on hover */
  font-weight: 700;
}

.landing-content h1 {
  font-size: 2.8rem;
  color: #fff;
  margin-bottom: 10px;
}

.landing-content .tagline {
  font-size: 1.3rem;
  color: #e0e0e0;
  margin-bottom: 15px;
}

.landing-content .intro {
  font-size: 1rem;
  color: #f5f5f5;
}

/* ---------------- About Me ---------------- */
#about p {
  text-align: left;
  margin-bottom: 15px;
}

/* ---------------- Skills ---------------- */
#skills ul {
  list-style-type: disc;
  padding-left: 20px;
}

#skills ul li {
  margin-bottom: 10px;
}

/* ---------------- Projects Gallery ---------------- */
.project-gallery {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
}

.project-card {
  display: block;
  width: 200px;
  text-align: center;
  text-decoration: none;
  color: #333;
  transition: transform 0.3s, box-shadow 0.3s;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 6px 18px rgba(0,0,0,0.08);
  background: #fff;
}

.project-card img {
  width: 100%;
  height: auto;
  display: block;
}

.project-card h3 {
  margin: 10px 0;
  font-size: 1.1rem;
  color: #6a11cb;
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.12);
}

/* ---------------- Certificate ---------------- */
.certificate-thumb {
  display: block;
  max-width: 400px;
  margin: 20px auto;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 6px 18px rgba(0,0,0,0.08);
  transition: transform 0.3s, box-shadow 0.3s;
}

.certificate-thumb img {
  width: 100%;
  height: auto;
  display: block;
}

.certificate-thumb:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.12);
}

/* ---------------- Social Links ---------------- */
.social-links {
  display: flex;
  justify-content: center;
  gap: 30px;
  margin-top: 20px;
}

.social-icon svg {
  width: 40px;
  height: 40px;
  transition: transform 0.3s, filter 0.3s;
}

.social-icon:hover svg {
  transform: scale(1.2);
  filter: drop-shadow(0 0 6px #6a11cb);
}

/* ---------------- Footer ---------------- */
footer {
  text-align: center;
  padding: 20px 0;
  background: #eef1f7;
  color: #333;
  margin-top: 50px;
  font-size: 0.95rem;
}

footer a.back-to-top {
  color: #6a11cb;
  text-decoration: none;
  margin-left: 10px;
  transition: color 0.3s;
}

footer a.back-to-top:hover {
  color: #2575fc;
}

/* ---------------- Project Detail Page ---------------- */
.project-detail-card {
  display: flex;
  max-width: 1000px;
  margin: 50px auto;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 6px 18px rgba(0,0,0,0.08);
  overflow: hidden;
  gap: 20px;
  padding: 20px;
}

.project-info {
  flex: 1;
  padding: 20px;
}

.project-info h2 {
  color: #6a11cb;
  margin-bottom: 15px;
}

.project-info p {
  line-height: 1.7;
  margin-bottom: 20px;
}

.github-link {
  display: inline-block;
  padding: 10px 15px;
  background: linear-gradient(120deg, #6a11cb, #2575fc);
  color: #fff;
  border-radius: 6px;
  text-decoration: none;
  transition: background 0.3s;
}

.github-link:hover {
  background: linear-gradient(120deg, #2575fc, #6a11cb);
}

.project-image {
  flex: 1;
  text-align: center;
}

.project-image img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
}

/* ---------------- Responsive ---------------- */
@media (max-width: 768px) {
  .project-card {
    width: 100%;
  }

  .project-detail-card {
    flex-direction: column;
  }

  .project-image, .project-info {
    padding: 10px;
  }

  nav ul {
    flex-direction: column;
    gap: 15px;
  }
}