/* ===== Base Styles ===== */
:root {
    --primary: #3a86ff;
    --primary-dark: #2667d6;
    --secondary: #8338ec;
    --dark: #0a0a14;
    --dark-light: #1e1e2e;
    --light: #f8f9fa;
    --gray: #6c757d;
    --gray-light: #e9ecef;
    
    --font-main: 'Space Grotesk', sans-serif;
    --font-code: 'Space Mono', monospace;
    
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 10px 15px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--light);
    color: var(--dark);
    line-height: 1.6;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== Header Styles ===== */
header {
    background-color: white;
    box-shadow: var(--shadow);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
}

.logo-image {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary);
    transition: var(--transition);
}

.logo:hover .logo-image {
    transform: rotate(15deg);
}

nav ul {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 25px;
}

nav ul li a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    padding: 5px 0;
}

nav ul li a:after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--primary);
    transition: var(--transition);
}

nav ul li a:hover {
    color: var(--primary);
}

nav ul li a:hover:after {
    width: 100%;
}

.btn-subscribe {
    background-color: var(--primary);
    color: white;
    padding: 8px 20px;
    border-radius: 30px;
    font-weight: 600;
    transition: var(--transition);
}

.btn-subscribe:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.mobile-menu {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--dark);
}

/* ===== Hero Section ===== */
.hero-blog {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    padding: 180px 0 100px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-blog:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../images/blockchain-pattern.png') center/cover;
    opacity: 0.1;
}

.hero-blog h1 {
    font-size: 3.2rem;
    margin-bottom: 20px;
    position: relative;
    line-height: 1.2;
}

.hero-blog .tagline {
    font-size: 1.3rem;
    max-width: 700px;
    margin: 0 auto 30px;
    opacity: 0.9;
    position: relative;
}

/* ===== Blog Posts Section ===== */
.blog-posts {
    padding: 100px 0;
    background-color: var(--light);
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
    font-size: 2.5rem;
    color: var(--dark);
    position: relative;
}

.section-title:after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    margin: 15px auto 0;
    border-radius: 2px;
}

.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.post-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.post-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.post-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.post-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.post-card:hover .post-image img {
    transform: scale(1.05);
}

.post-category {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--primary);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.post-content {
    padding: 25px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.post-meta {
    display: flex;
    justify-content: space-between;
    color: var(--gray);
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.post-content h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    line-height: 1.4;
    flex: 1;
}

.post-content h3 a {
    color: var(--dark);
    text-decoration: none;
    transition: var(--transition);
}

.post-content h3 a:hover {
    color: var(--primary);
}

.post-content p {
    color: var(--gray);
    margin-bottom: 20px;
    line-height: 1.6;
}

.read-more {
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: auto;
    align-self: flex-start;
}

.read-more i {
    transition: transform 0.3s;
}

.read-more:hover i {
    transform: translateX(5px);
}

.view-all {
    text-align: center;
    margin-top: 50px;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-family: var(--font-main);
}

.btn-primary {
    background-color: var(--primary);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.btn-secondary {
    background-color: white;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-secondary:hover {
    background-color: var(--primary);
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

/* ===== Newsletter Section ===== */
.newsletter {
    background-color: var(--dark);
    color: white;
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.newsletter:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../images/pattern-dark.png') center/cover;
    opacity: 0.1;
}

.newsletter h2 {
    margin-bottom: 20px;
    font-size: 2rem;
    position: relative;
}

.newsletter-form {
    display: flex;
    max-width: 500px;
    margin: 0 auto;
    position: relative;
}

.newsletter-form input {
    flex: 1;
    padding: 15px 20px;
    border: none;
    border-radius: 30px 0 0 30px;
    font-family: var(--font-main);
    font-size: 1rem;
}

.newsletter-form button {
    border-radius: 0 30px 30px 0;
    padding: 15px 25px;
}

.disclaimer {
    margin-top: 15px;
    font-size: 0.9rem;
    opacity: 0.7;
    position: relative;
}

/* ===== Footer ===== */
footer {
    background-color: var(--dark-light);
    color: white;
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-about .logo {
    color: white;
    margin-bottom: 20px;
}

.footer-about p {
    opacity: 0.8;
    line-height: 1.7;
}

.footer-links h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: white;
}

.footer-links ul {
    list-style: none;
}

.footer-links ul li {
    margin-bottom: 12px;
}

.footer-links ul li a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links ul li a:hover {
    color: white;
    padding-left: 5px;
}

.footer-social h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: white;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    color: white;
    font-size: 1.3rem;
    transition: var(--transition);
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background-color: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.social-links a:hover {
    background-color: var(--primary);
    transform: translateY(-3px);
}

.copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
    opacity: 0.7;
    font-size: 0.9rem;
}

/* ===== Responsive Styles ===== */
@media (max-width: 992px) {
    .hero-blog h1 {
        font-size: 2.5rem;
    }
    
    nav ul {
        gap: 15px;
    }
}

@media (max-width: 768px) {
    .mobile-menu {
        display: block;
    }
    
    nav ul {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 5px 10px rgba(0,0,0,0.1);
        transform: translateY(-150%);
        transition: transform 0.3s ease;
        z-index: 999;
        gap: 15px;
    }
    
    nav ul.show {
        transform: translateY(0);
    }
    
    .hero-blog {
        padding: 150px 0 80px;
    }
    
    .hero-blog h1 {
        font-size: 2rem;
    }
    
    .hero-blog .tagline {
        font-size: 1.1rem;
    }
    
    .posts-grid {
        grid-template-columns: 1fr;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .newsletter-form input,
    .newsletter-form button {
        width: 100%;
        border-radius: 30px;
    }
    
    .newsletter-form button {
        margin-top: 10px;
    }
}

/* ===== About Page Styles ===== */
.about-hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    padding: 180px 0 100px;
    text-align: center;
}

.about-content {
    padding: 80px 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

.about-text h2 {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 10px;
}

.about-text h3 {
    font-size: 1.3rem;
    color: var(--gray);
    margin-bottom: 30px;
    font-weight: 500;
}

.experience-highlights {
    margin: 40px 0;
}

.experience-item {
    display: flex;
    gap: 20px;
    margin-bottom: 25px;
}

.exp-icon {
    width: 50px;
    height: 50px;
    background-color: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
}

.exp-content h4 {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.about-image {
    position: relative;
}

.image-container {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
    position: relative;
}

.image-container img {
    width: 100%;
    border-radius: 10px;
    position: relative;
    z-index: 2;
}

.image-border {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 3px solid var(--primary);
    border-radius: 10px;
    top: 15px;
    left: 15px;
    z-index: 1;
}

.skills-section {
    margin-top: 50px;
}

.skills-section h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    text-align: center;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
}

.skill-category h4 {
    color: var(--primary);
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.skill-category ul {
    list-style: none;
}

.skill-category ul li {
    margin-bottom: 8px;
    position: relative;
    padding-left: 20px;
}

.skill-category ul li:before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--primary);
}

/* ===== Contact Page Styles ===== */
.contact-hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    padding: 180px 0 100px;
    text-align: center;
}

.contact-content {
    padding: 80px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info h2 {
    font-size: 2rem;
    margin-bottom: 30px;
    color: var(--dark);
}

.info-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.info-icon {
    width: 50px;
    height: 50px;
    background-color: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.info-text h3 {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.social-links h3 {
    margin: 40px 0 15px;
    font-size: 1.2rem;
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icons a {
    width: 45px;
    height: 45px;
    background-color: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: var(--transition);
}

.social-icons a:hover {
    transform: translateY(-5px);
    background-color: var(--primary-dark);
}

.contact-form-container h2 {
    font-size: 2rem;
    margin-bottom: 30px;
    color: var(--dark);
}

.contact-form .form-group {
    margin-bottom: 20px;
}

.contact-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--gray-light);
    border-radius: 5px;
    font-family: var(--font-main);
    font-size: 1rem;
    transition: var(--transition);
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(58, 134, 255, 0.2);
}

.contact-form textarea {
    min-height: 150px;
    resize: vertical;
}

.contact-form button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.contact-form button.success {
    background-color: var(--success);
}

/* ===== Responsive Adjustments ===== */
@media (max-width: 992px) {
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-image {
        order: -1;
    }
    
    .image-container {
        max-width: 300px;
    }
}

@media (max-width: 768px) {
    .about-hero,
    .contact-hero {
        padding: 150px 0 80px;
    }
    
    .skills-grid {
        grid-template-columns: 1fr 1fr;
    }
}