@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;700&display=swap');

:root {
  --background-color: #1a1b26;
  --card-background: #24283b;
  --text-color: #c0caf5;
  --header-color: #bb9af7;
  --accent-color-1: #7aa2f7;
  --accent-color-2: #f7768e;
  --border-color: #414868;
  --shadow-color: rgba(0, 0, 0, 0.5);
  --font-family: 'JetBrains Mono', monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background-color: var(--background-color);
  color: var(--text-color);
  line-height: 1.7;
  font-size: 16px;
}

a {
  color: var(--accent-color-1);
  text-decoration: none;
  transition: color 0.3s ease-in-out, text-shadow 0.3s ease-in-out;
}

a:hover {
  color: var(--accent-color-2);
  text-shadow: 0 0 5px var(--accent-color-2);
}

h1, h2, h3, h4, h5, h6 {
  color: var(--header-color);
  margin-bottom: 1rem;
  line-height: 1.3;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }

p {
  margin-bottom: 1.2rem;
}

ul, ol {
  margin-left: 20px;
  margin-bottom: 1.2rem;
}

/* --- Layout --- */
.site-header {
  background: var(--card-background);
  padding: 1rem 2rem;
  border-bottom: 2px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  position: relative;
}

.site-title {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--header-color);
  z-index: 10;
}
.site-title a {
  color: inherit;
}
.site-title a:hover {
  color: var(--accent-color-1);
  text-shadow: none;
}


.main-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 1rem;
}

.main-nav a {
  font-weight: 700;
  padding: 0.5rem 1rem;
  border-radius: 5px;
  transition: color 0.3s ease-in-out, background-color 0.3s ease-in-out;
}

.main-nav a:hover {
  color: var(--accent-color-2);
  background-color: var(--border-color);
}

.main-nav a.active {
    color: var(--accent-color-2);
    background-color: rgba(122, 162, 247, 0.1);
}

.container {
  max-width: 1200px;
  margin: 2rem auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.site-footer {
  text-align: center;
  padding: 2rem;
  margin-top: 2rem;
  background-color: var(--card-background);
  border-top: 2px solid var(--border-color);
}

.footer-links {
  list-style: none;
  padding: 0;
  margin-top: 1rem;
  display: flex;
  justify-content: center;
  gap: 1.5rem;
}

/* --- Components --- */
.card {
  background: var(--card-background);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.5rem;
  box-shadow: 0 4px 15px var(--shadow-color);
  transition: transform 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px var(--shadow-color), 0 0 15px var(--accent-color-1);
}

.card-title {
  margin-top: 0;
  color: var(--accent-color-1);
}

.card p {
    flex-grow: 1;
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background: var(--accent-color-1);
  color: var(--background-color);
  border-radius: 5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: background-color 0.3s ease-in-out, transform 0.3s ease-in-out;
  text-align: center;
}

.btn:hover {
  background: var(--accent-color-2);
  color: var(--card-background);
  transform: scale(1.05);
  text-shadow: none;
}

.btn-secondary {
    background-color: var(--border-color);
    color: var(--text-color);
}

.btn-secondary:hover {
    background-color: var(--accent-color-2);
    color: var(--card-background);
}

.articles-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.sidebar-widget {
  background: var(--card-background);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.sidebar-widget-title {
  font-size: 1.2rem;
  color: var(--header-color);
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 0.5rem;
  margin-bottom: 1rem;
}

.sidebar-widget ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar-widget ul li a {
  display: block;
  padding: 0.5rem 0 0.5rem 20px;
  border-bottom: 1px dashed var(--border-color);
  position: relative;
  overflow: hidden;
}

.sidebar-widget ul li a::before {
    content: '>';
    font-weight: 700;
    position: absolute;
    left: -15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--accent-color-2);
    opacity: 0;
    transition: left 0.3s ease-in-out, opacity 0.3s ease-in-out;
}

.sidebar-widget ul li a:hover::before {
    left: 0;
    opacity: 1;
}

.sidebar-widget ul li:last-child a {
  border-bottom: none;
}

/* Article Page Specifics */
.article-header {
  border-bottom: 2px solid var(--border-color);
  margin-bottom: 2rem;
  padding-bottom: 1rem;
}

.article-meta {
  font-size: 0.9rem;
  color: #7a82ac;
  margin-top: -0.5rem;
}

.article-content blockquote {
  border-left: 4px solid var(--accent-color-1);
  padding-left: 1rem;
  margin: 1.5rem 0;
  font-style: italic;
  color: #a9b1d6;
}

.cta-section {
    background-color: rgba(122, 162, 247, 0.1);
    border: 1px solid var(--accent-color-1);
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
    margin: 2rem 0;
}

/* Offers Page Specifics */
.offer-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-top: 2rem;
}

.offer-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

/* Contact Form */
.contact-form label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--header-color);
}
.contact-form input, .contact-form textarea {
    width: 100%;
    padding: 0.8rem;
    margin-bottom: 1rem;
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    color: var(--text-color);
    font-family: var(--font-family);
    transition: border-color 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
}
.contact-form input:focus, .contact-form textarea:focus {
    outline: none;
    border-color: var(--accent-color-1);
    box-shadow: 0 0 5px var(--accent-color-1);
}


/* --- Mobile Nav Toggle --- */
.nav-toggle {
    display: none;
}

.nav-toggle-label {
    display: none;
    cursor: pointer;
    position: absolute;
    top: 50%;
    right: 2rem;
    transform: translateY(-50%);
    width: 30px;
    height: 25px;
    flex-direction: column;
    justify-content: space-between;
    z-index: 20;
}

.nav-toggle-label span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--text-color);
    border-radius: 3px;
    transition: transform 0.3s ease-in-out, opacity 0.3s ease-in-out;
}

/* Animation for hamburger to 'X' */
.nav-toggle:checked + .nav-toggle-label span:nth-child(1) {
    transform: translateY(11px) rotate(45deg);
}
.nav-toggle:checked + .nav-toggle-label span:nth-child(2) {
    opacity: 0;
}
.nav-toggle:checked + .nav-toggle-label span:nth-child(3) {
    transform: translateY(-11px) rotate(-45deg);
}

/* --- Back to Top Button --- */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background-color: var(--accent-color-1);
    color: var(--background-color);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2rem;
    font-weight: 700;
    z-index: 100;
    box-shadow: 0 4px 10px var(--shadow-color);
    transition: background-color 0.3s ease-in-out, transform 0.3s ease-in-out;
}

.back-to-top:hover {
    background-color: var(--accent-color-2);
    color: var(--background-color);
    transform: scale(1.1);
    text-shadow: none;
}


/* --- Responsive Design --- */
@media (min-width: 768px) {
  .articles-grid, .offer-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .container {
    grid-template-columns: 3fr 1fr;
  }
   .articles-grid, .offer-list {
    grid-template-columns: repeat(2, 1fr); /* Keep two columns in main content area */
  }
  .home-articles-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
    .nav-toggle-label {
        display: flex;
    }
    .main-nav {
        width: 100%;
    }
    .main-nav ul {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--card-background);
        padding: 1rem 0;
        border-top: 2px solid var(--border-color);
    }
    .main-nav ul li {
        text-align: center;
        width: 100%;
    }
    .main-nav ul li a {
        display: block;
        padding: 1rem;
        width: 100%;
    }
    .nav-toggle:checked ~ .main-nav ul {
        display: flex;
    }
    h1 { font-size: 2rem; }
    h2 { font-size: 1.7rem; }
}

@media (max-width: 600px) {
    .site-header {
       padding: 1rem 1.5rem;
    }
    .nav-toggle-label {
        right: 1.5rem;
    }
    .container {
        padding: 0 1rem;
        margin-top: 1rem;
    }
    .back-to-top {
        width: 40px;
        height: 40px;
        font-size: 1.5rem;
        bottom: 1rem;
        right: 1rem;
    }
}