@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700;800;900&display=swap");

:root {
  --primary-color: #2ecc71;
  --primary-color-dark: #27ae60;
  --text-color: #333;
  --background-color: #f4f4f9;
  --glass-bg: rgba(255, 255, 255, 0.1);
  --border-color: rgba(255, 255, 255, 0.2);
}

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

body {
  background-color: var(--background-color);
  color: var(--text-color);
  line-height: 1.6;
  overflow-x: hidden;
  background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
}

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

header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 20px 0;
  z-index: 1000;
  transition: all 0.3s ease;
}

header.scrolled {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 0 5%;
}

.logo {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary-color-dark);
  text-decoration: none;
  display: flex;
  align-items: center;
}

.logo-img {
    height: 40px;
    margin-right: 10px;
}

.logo span {
    display: block;
}

.login-btn {
  padding: 12px 25px;
  background: var(--primary-color);
  color: #fff;
  border: none;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(46, 204, 113, 0.4);
}

.login-btn:hover {
  background: var(--primary-color-dark);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(46, 204, 113, 0.6);
}

.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  color: #fff;
  padding: 0 20px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://images.unsplash.com/photo-1499529112087-3cb3b73cec95?q=80&w=1974&auto=format&fit=crop') no-repeat center center/cover;
    z-index: -2;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: -1;
}


.hero h1 {
  font-size: 4rem;
  margin-bottom: 20px;
  font-weight: 800;
  text-shadow: 2px 2px 10px rgba(0,0,0,0.5);
}

.hero p {
  font-size: 1.5rem;
  max-width: 600px;
  margin: 0 auto;
  text-shadow: 1px 1px 5px rgba(0,0,0,0.5);
}

.blog-section {
  padding: 100px 0;
}

.blog-section h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 60px;
  color: var(--primary-color-dark);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
}

.blog-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 20px;
  border: 1px solid var(--border-color);
  overflow: hidden;
  box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.1);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.blog-card:hover, .blog-card:active {
  transform: translateY(-10px) scale(1.03);
  box-shadow: 0 18px 45px rgba(31, 38, 135, 0.25);
}

.card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform 0.4s ease-out;
}

.blog-card:hover .card-image, .blog-card:active .card-image {
    transform: scale(1.1);
}

.card-content {
  padding: 25px;
}

.card-content h3 {
  font-size: 1.4rem;
  margin-bottom: 15px;
  color: var(--text-color);
}

.card-content p {
  color: #555;
  margin-bottom: 20px;
}

.read-more-btn {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
}

.read-more-btn:hover {
  text-decoration: underline;
}

footer {
    background: #1c1c1c;
    color: #fff;
    text-align: center;
    padding: 20px 0;
    margin-top: 60px;
}

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.scroll-down-arrow {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: float 2s ease-in-out infinite;
    z-index: 2;
}

.scroll-down-arrow svg {
    width: 50px;
    height: 50px;
}

@keyframes float {
    0% {
        transform: translate(-50%, 0px);
    }
    50% {
        transform: translate(-50%, -15px);
    }
    100% {
        transform: translate(-50%, 0px);
    }
}

@media (max-width: 992px) {
    .hero h1 {
        font-size: 3rem;
    }
    .hero p {
        font-size: 1.2rem;
    }
    .article-header h1 {
        font-size: 2.8rem;
    }
}

@media (max-width: 768px) {
    nav {
        flex-direction: column;
        align-items: center;
        padding: 10px 5%;
    }

    .logo {
        margin-bottom: 15px;
    }
    
    .login-btn {
        width: 100%;
        text-align: center;
    }

    .hero {
        padding-top: 140px;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero p {
        font-size: 1.1rem;
    }

    .blog-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .article-header {
        height: 50vh;
    }

    .article-header h1 {
        font-size: 2.2rem;
    }

    .article-content {
        padding: 60px 20px;
    }
}

@media (max-width: 480px) {
    .logo span {
        display: none;
    }

    .logo-img {
        margin-right: 0;
    }

    .hero h1 {
        font-size: 2rem;
    }

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

    .blog-section h2 {
        font-size: 2rem;
    }

    .article-header h1 {
        font-size: 1.8rem;
    }
}