:root {
  --bg: #0b0f19;
  --card: rgba(255, 255, 255, 0.06);
  --accent: #4cc9f0;
  --text: #e5e7eb;
  --muted: #9ca3af;
}

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

body {
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

/* NAVBAR */
.navbar {
  display: flex;
  justify-content: space-between;
  padding: 20px 60px;
  position: sticky;
  top: 0;
  backdrop-filter: blur(10px);
}

.logo {
  font-size: 1.6rem;
  font-weight: bold;
}

.logo span {
  color: var(--accent);
}

nav a {
  margin-left: 25px;
  text-decoration: none;
  color: var(--muted);
  transition: color 0.3s;
}

nav a:hover {
  color: var(--accent);
}

/* HERO */
.hero {
  padding: 120px 60px;
  text-align: center;
}

.hero h1 {
  font-size: 3rem;
}

.hero h1 span {
  color: var(--accent);
}

.hero p {
  margin: 20px 0;
  color: var(--muted);
}

.hero button {
  padding: 12px 28px;
  border: none;
  background: var(--accent);
  color: #000;
  font-weight: bold;
  border-radius: 30px;
  cursor: pointer;
}

/* POSTS */
.posts {
  padding: 80px 60px;
}

.posts h2 {
  font-size: 2rem;
  margin-bottom: 40px;
}

.post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.post-card {
  background: var(--card);
  padding: 25px;
  border-radius: 20px;
  backdrop-filter: blur(20px);
  transition: transform 0.3s, border 0.3s;
  border: 1px solid transparent;
}

.post-card:hover {
  transform: translateY(-8px);
  border: 1px solid var(--accent);
}

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

.post-card p {
  color: var(--muted);
  margin-bottom: 15px;
}

.post-card span {
  font-size: 0.85rem;
  color: var(--accent);
}

/* FOOTER */
footer {
  text-align: center;
  padding: 40px;
  color: var(--muted);
}

/* PAGE HEADER */
.page-header {
  padding: 100px 60px 40px;
  text-align: center;
}

.page-header h1 {
  font-size: 2.6rem;
}

.page-header p {
  color: var(--muted);
  margin-top: 10px;
}

/* FILTERS */
.filters {
  display: flex;
  gap: 15px;
  justify-content: center;
  padding: 30px;
  flex-wrap: wrap;
}

.filters button {
  padding: 8px 18px;
  border-radius: 20px;
  border: 1px solid var(--card);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: 0.3s;
}

.filters button.active,
.filters button:hover {
  background: var(--accent);
  color: #000;
}

/* BLOG LIST */
.blog-list {
  padding: 40px 60px 80px;
  display: grid;
  gap: 30px;
  max-width: 900px;
  margin: auto;
}

.blog-item {
  background: var(--card);
  padding: 30px;
  border-radius: 20px;
  border: 1px solid transparent;
  transition: 0.3s;
}

.blog-item:hover {
  border-color: var(--accent);
  transform: translateY(-5px);
}

.blog-item h2 {
  margin-bottom: 10px;
}

.blog-item p {
  color: var(--muted);
  margin-bottom: 15px;
}

.blog-item .meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--accent);
}

.cta-btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 30px;
  background: var(--accent);
  color: #000;
  font-weight: bold;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
}

.cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(76, 201, 240, 0.3);
}

.blog-link {
  text-decoration: none;
  color: inherit;
}

/* CONTACT PAGE */
.contact-container {
  max-width: 1100px;
  margin: 60px auto 100px;
  padding: 0 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact-info h2 {
  margin-bottom: 15px;
}

.contact-info p {
  margin-bottom: 15px;
  color: var(--muted);
}

.contact-info ul {
  margin: 15px 0 20px 20px;
  color: var(--muted);
}

.contact-info li {
  margin-bottom: 8px;
}

.contact-form {
  background: var(--card);
  padding: 30px;
  border-radius: 20px;
  border: 1px solid transparent;
}

.contact-form label {
  display: block;
  margin-bottom: 18px;
  font-size: 0.9rem;
  color: var(--muted);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  margin-top: 6px;
  padding: 10px 12px;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 10px;
  color: var(--text);
  font-size: 0.95rem;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.contact-form button {
  margin-top: 10px;
  padding: 12px 24px;
  border-radius: 30px;
  border: none;
  background: var(--accent);
  color: #000;
  font-weight: bold;
  cursor: pointer;
}

.logo-link{
  text-decoration: none;
  color: inherit;
}

@media (max-width: 900px) {
  .contact-container {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}