:root {
  --background: #0a192f;
  --primary: #00f5d4;
  --secondary: #f1c40f;
  --text-light: #ccd6f6;
  --text-dark: #8892b0;
  --card-bg: #112240;
  --border-color: #233554;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Poppins', sans-serif;
  background-color: var(--background);
  color: var(--text-light);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
}

/* --- HEADER --- */
header {
  position: sticky;
  top: 0;
  z-index: 1000;
  width: 100%;
  padding: 1rem 1.5rem;
  background-color: rgba(10, 25, 47, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  transition: all 0.3s ease-in-out;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.brand img {
    height: 40px;
    width: auto;
}

.brand span {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-light);
}

/* --- NAVIGATION --- */
.desktop-nav {
    display: none;
}

.mobile-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background-color: var(--card-bg);
    box-shadow: -10px 0 30px -15px rgba(2,12,27,0.7);
    transition: right 0.3s ease-in-out;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    z-index: 1000;
}

.mobile-nav.active {
    right: 0;
}

.mobile-menu-button {
    display: block;
    background: none;
    border: none;
    color: var(--primary);
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
    position: relative;
    width: 36px;
    height: 36px;
}

.mobile-menu-button .icon-open,
.mobile-menu-button .icon-close {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    transition: opacity 0.2s ease-in-out;
    width: 100%;
    height: 100%;
}

.mobile-menu-button .icon-close { opacity: 0; }
.mobile-menu-button.active .icon-open { opacity: 0; }
.mobile-menu-button.active .icon-close { opacity: 1; }

.mobile-nav a {
    color: var(--text-light);
    font-size: 1.2rem;
    font-weight: 600;
    padding: 1rem;
    text-decoration: none;
}

/* --- BUTTONS --- */
.button {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 4px;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  border: 1px solid var(--primary);
  color: var(--primary);
  background-color: transparent;
  text-decoration: none;
}

.button:hover {
  background-color: rgba(0, 245, 212, 0.1);
  transform: translateY(-3px);
  box-shadow: 0 4px 15px rgba(0, 245, 212, 0.2);
}

.button-primary {
  background-color: var(--primary);
  color: var(--background);
  border-color: var(--primary);
}

.button-primary:hover {
  background-color: #00d9b8;
  border-color: #00d9b8;
  box-shadow: 0 6px 20px rgba(0, 245, 212, 0.3);
}

/* --- LAYOUT & SECTIONS --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

section {
  padding: 4rem 0;
}

.section-title {
  font-size: clamp(1.8rem, 5vw, 2.5rem);
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: 2.5rem;
  text-align: center;
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 50px;
  height: 4px;
  background: var(--primary);
  margin: 0.5rem auto 0;
  border-radius: 2px;
}

/* --- HERO SECTION --- */
.hero {
  padding: 4rem 0;
  text-align: center;
}

.hero .pre-title {
  color: var(--primary);
  font-size: 1rem;
  font-weight: 400;
  margin-bottom: 1rem;
}

.hero h1 {
  font-size: clamp(2.2rem, 8vw, 3.5rem);
  font-weight: 700;
  color: var(--text-light);
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.hero .subtitle {
  font-size: 1.1rem;
  color: var(--text-dark);
  max-w-3xl;
  margin: 0 auto 2.5rem;
}

/* --- HOW IT WORKS --- */
#how-it-works {
    background-color: var(--card-bg);
}
.how-it-works-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    position: relative;
}
.step-card {
    text-align: center;
    position: relative;
    padding: 1rem;
}
.step-card .step-number {
    height: 50px;
    width: 50px;
    background-color: var(--background);
    border: 2px solid var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    margin: 0 auto 1rem;
}
.step-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}
.step-card p {
    color: var(--text-dark);
    max-width: 300px;
    margin: 0 auto;
}

/* --- GRIDS (FEATURES, PRICING, TESTIMONIALS, BLOG) --- */
.features-grid, .pricing-grid, .testimonials-grid, .blog-highlights-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.feature-card, .pricing-card, .testimonial-card, .blog-card {
  background-color: var(--card-bg);
  padding: 2rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover, .pricing-card:hover, .testimonial-card:hover, .blog-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 10px 30px -15px rgba(2,12,27,0.7);
}

.feature-card { text-align: center; }
.feature-card .icon { display: inline-block; color: var(--primary); margin-bottom: 1.5rem; }
.feature-card h3 { font-size: 1.25rem; font-weight: 600; color: var(--text-light); margin-bottom: 0.75rem; }
.feature-card p { color: var(--text-dark); }

.pricing-card { text-align: center; display: flex; flex-direction: column; }
.pricing-card.highlight { border-color: var(--primary); }
.pricing-card h3 { font-size: 1.5rem; font-weight: 600; color: var(--primary); margin-bottom: 0.5rem; }
.pricing-card .price { font-size: 2.5rem; font-weight: 700; color: var(--text-light); margin-bottom: 1rem; }
.pricing-card .price span { font-size: 1rem; font-weight: 400; color: var(--text-dark); }
.pricing-card ul { list-style: none; margin-bottom: 2rem; color: var(--text-dark); text-align: left; flex-grow: 1; }
.pricing-card ul li { margin-bottom: 0.75rem; display: flex; align-items: center; }
.pricing-card ul li svg { color: var(--primary); margin-right: 0.5rem; flex-shrink: 0; }

.testimonial-card { display: flex; flex-direction: column; }
.testimonial-card .quote { flex-grow: 1; font-style: italic; color: var(--text-dark); margin-bottom: 1.5rem; position: relative; padding-left: 1.5rem; }
.testimonial-card .quote::before { content: '“'; position: absolute; top: -10px; left: -5px; font-size: 3rem; color: var(--primary); opacity: 0.5; line-height: 1; }
.testimonial-card .author-info { display: flex; align-items: center; gap: 1rem; border-top: 1px solid var(--border-color); padding-top: 1.5rem; }
.author-info img { width: 50px; height: 50px; border-radius: 50%; object-fit: cover; border: 2px solid var(--primary); }
.author-details .name { font-weight: 600; color: var(--text-light); }
.author-details .title { font-size: 0.9rem; color: var(--text-dark); }

.blog-card { display: flex; flex-direction: column; text-decoration: none; }
.blog-card img { width: 100%; height: 200px; object-fit: cover; }
.blog-card-content { padding: 1.5rem; flex-grow: 1; display: flex; flex-direction: column; }
.blog-card-content .category { color: var(--primary); font-weight: 600; margin-bottom: 0.5rem; font-size: 0.9rem; }
.blog-card-content h2 { font-size: 1.25rem; color: var(--text-light); margin-bottom: 1rem; line-height: 1.4; }
.blog-card-content p { color: var(--text-dark); flex-grow: 1; margin-bottom: 1.5rem; font-size: 1rem; }
.blog-card-content .read-more { color: var(--primary); font-weight: 600; text-decoration: none; align-self: flex-start; }

/* --- BLOG POST SPECIFIC STYLES --- */
.blog-post-container {
    max-width: 800px;
    margin: 4rem auto;
    padding: 2rem;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.blog-post-container .post-header {
    text-align: center;
    margin-bottom: 2.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.blog-post-container .post-category {
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 1rem;
    display: block;
    font-size: 1rem;
}

.blog-post-container .post-title {
    font-size: clamp(1.8rem, 5vw, 2.8rem);
    color: var(--text-light);
    line-height: 1.3;
    margin-bottom: 1rem;
}

.blog-post-container .post-meta {
    color: var(--text-dark);
    font-size: 0.9rem;
}

.blog-post-container .post-image {
    width: 100%;
    height: auto;
    max-height: 400px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 2.5rem;
    background-color: var(--background);
}

.blog-post-container .post-content {
    color: var(--text-dark);
    font-size: 1.1rem;
    line-height: 1.8;
}

.blog-post-container .post-content h2,
.blog-post-container .post-content h3 {
    color: var(--text-light);
    margin-top: 2.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.4;
    font-weight: 600;
}

.blog-post-container .post-content h2 {
    font-size: 1.8rem;
    border-bottom: 2px solid var(--primary);
    padding-bottom: 0.5rem;
}

.blog-post-container .post-content h3 {
    font-size: 1.5rem;
}

.blog-post-container .post-content a {
    color: var(--primary);
    text-decoration: none;
    border-bottom: 1px dotted var(--primary);
    transition: all 0.3s ease;
}

.blog-post-container .post-content a:hover {
    color: #00d9b8;
    border-bottom: 1px solid #00d9b8;
}

.blog-post-container .post-content blockquote {
    border-left: 4px solid var(--primary);
    padding: 1rem 1.5rem;
    margin: 2rem 0;
    font-style: italic;
    color: var(--text-light);
    background-color: var(--background);
    border-radius: 0 4px 4px 0;
}

.blog-post-container .post-content ul,
.blog-post-container .post-content ol {
    padding-left: 1.5rem;
    margin: 1.5rem 0;
}

.blog-post-container .post-content li {
    margin-bottom: 0.75rem;
    padding-left: 0.5rem;
}

.blog-post-container .post-content li::marker {
    color: var(--primary);
    font-weight: bold;
}

.key-takeaways {
    background-color: var(--background);
    border: 1px solid var(--border-color);
    border-left: 5px solid var(--primary);
    border-radius: 8px;
    padding: 2rem;
    margin: 3rem 0;
}

.key-takeaways h3 {
    color: var(--text-light);
    font-size: 1.4rem;
    margin-top: 0;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
}

.key-takeaways h3 svg {
    margin-right: 0.75rem;
    color: var(--primary);
}

.key-takeaways ul {
    list-style-type: none;
    padding-left: 0;
}

.key-takeaways li {
    position: relative;
    padding-left: 1.75rem;
    margin-bottom: 1rem;
}

.key-takeaways li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: bold;
}

.back-to-blog {
    display: inline-block;
    margin-top: 3rem;
    font-weight: 600;
    color: var(--primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.back-to-blog:hover {
    color: #00d9b8;
}

/* --- FAQ --- */
.faq-item {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  margin-bottom: 1rem;
  transition: background-color 0.3s ease;
}
.faq-item:hover {
    background-color: #1a2c4f;
}
.faq-question {
  padding: 1.5rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  color: var(--text-light);
}
.faq-question .icon {
    transition: transform 0.3s ease-out;
    flex-shrink: 0;
    margin-left: 1rem;
}
.faq-answer {
  padding: 0 1.5rem;
  color: var(--text-dark);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-out, padding 0.4s ease-out;
}
.faq-item.active .faq-question .icon {
  transform: rotate(45deg);
}
.faq-item.active .faq-answer {
  padding-bottom: 1.5rem;
  max-height: 300px;
  transition: max-height 0.5s ease-in, padding 0.2s ease-in;
}

/* --- CONTACT FORM --- */
#contact {
    background-color: var(--card-bg);
}
.contact-form {
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}
.form-group {
    display: flex;
    flex-direction: column;
}
.form-group label {
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}
.form-group input,
.form-group textarea {
    background-color: var(--background);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 0.75rem 1rem;
    color: var(--text-light);
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}
.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}
.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

/* --- FOOTER --- */
footer {
  padding: 2rem 0;
  text-align: center;
  color: var(--text-dark);
  font-size: 0.9rem;
}

footer .footer-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.5rem 1.5rem; margin-bottom: 1rem; }
footer .footer-links a { color: var(--text-dark); transition: color 0.3s ease; text-decoration: none; }
footer .footer-links a:hover { color: var(--primary); }

/* --- ANIMATIONS --- */
.fade-in-up { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease-out, transform 0.6s ease-out; }
.fade-in-up.visible { opacity: 1; transform: translateY(0); }

/* --- COOKIE BANNER --- */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: var(--card-bg);
  padding: 1rem;
  border-top: 1px solid var(--border-color);
  z-index: 999;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  text-align: center;
  box-shadow: 0 -5px 20px rgba(0,0,0,0.2);
}
.cookie-banner p { margin: 0; color: var(--text-dark); font-size: 0.9rem; }
.cookie-banner a { color: var(--primary); text-decoration: underline; }
.cookie-banner .button { flex-shrink: 0; }

/* --- RESPONSIVE DESIGN (TABLET & DESKTOP) --- */

/* Tablet Styles (e.g., iPads) */
@media (min-width: 768px) {
    .container {
        padding: 0 2rem;
    }

    section {
        padding: 5rem 0;
    }

    .mobile-menu-button { display: none; }
    .desktop-nav { display: flex; align-items: center; gap: 1.5rem; }
    .desktop-nav a { color: var(--text-dark); font-weight: 600; transition: color 0.3s ease; text-decoration: none; }
    .desktop-nav a:hover { color: var(--primary); }

    .how-it-works-grid { grid-template-columns: repeat(3, 1fr); }
    .step-card:not(:last-child)::after {
        content: '';
        position: absolute;
        top: 25px;
        right: -50%;
        transform: translateX(-50%);
        width: calc(100% - 50px);
        height: 2px;
        background: var(--border-color);
        z-index: -1;
    }

    .features-grid, .testimonials-grid, .blog-highlights-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .cookie-banner { flex-direction: row; justify-content: space-between; text-align: left; padding: 1.5rem; }
    footer .footer-links { flex-direction: row; }
}

/* Desktop Styles */
@media (min-width: 1024px) {
    section {
        padding: 6rem 0;
    }

    .features-grid, .testimonials-grid, .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
        max-width: none;
    }

    .blog-highlights-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .pricing-card.highlight {
        transform: scale(1.05);
    }
}