:root {
    --primary-color: #a7bfa5;
    --secondary-color: #986D8E;
    --text-color: #2c3531;
    --light-text: #6b7c76;
    --background: #ffffff;
    --section-bg: #f8faf8;
    --card-bg: #ffffff;
    --nav-bg: rgba(255, 255, 255, 0.95);
    --nav-shadow: rgba(167, 191, 165, 0.1);
    --toggle-bg: #f8faf8;
    --toggle-border: #e2e8e2;
    --toggle-color: #2c3531;
    --footer-bg: #2c3531;
    --footer-text: #e2e8e2;
    --hamburger-color: #2c3531;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
}

[data-theme="dark"] {
    --text-color: #e2e8e2;
    --light-text: #a7bfa5;
    --background: #1a221f;
    --section-bg: #2c3531;
    --card-bg: #2c3531;
    --nav-bg: rgba(26, 34, 31, 0.95);
    --nav-shadow: rgba(0, 0, 0, 0.3);
    --toggle-bg: #2c3531;
    --toggle-border: #4b5853;
    --toggle-color: #e2e8e2;
    --footer-bg: #1a221f;
    --footer-text: #a7bfa5;
    --hamburger-color: #e2e8e2;
}

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

body {
    font-family: 'Outfit', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background);
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* Theme Toggle Button */
.theme-toggle {
    background: transparent;
    border: none;
    cursor: pointer;
    width: auto;
    height: auto;
    border-radius: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.3s ease;
    padding: 0.5rem;
    outline: none;
    opacity: 0.7;
}

.theme-toggle:hover {
    transform: none;
    border-color: transparent;
    color: var(--primary-color);
    opacity: 1;
}

.theme-toggle:active {
    transform: none;
}

.theme-toggle svg {
    font-size: 1rem;
    transition: color 0.3s ease;
    width: 1.5rem;
    height: 1.5rem;
}

.theme-toggle svg path {
    fill: var(--toggle-color);
}

.theme-toggle:hover i {
    transform: none;
}

/* Header & Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--nav-bg);
    backdrop-filter: blur(5px);
    z-index: 1000;
    transition: all 0.3s ease;
}

.header.scrolled {
    box-shadow: 0 2px 10px var(--nav-shadow);
    background: var(--nav-bg);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem var(--spacing-sm);
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
}

.nav-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    transition: color 0.3s ease;
}

.logo a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}

.logo a:hover {
    color: var(--primary-color);
}

/* Menu Toggle Button */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.hamburger {
    display: block;
    position: relative;
    width: 24px;
    height: 2px;
    background: var(--hamburger-color);
    transition: all 0.3s ease;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--hamburger-color);
    transition: all 0.3s ease;
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    bottom: -8px;
}

/* Mobile Menu Active States */
.menu-toggle.active .hamburger {
    background: transparent;
}

.menu-toggle.active .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.menu-toggle.active .hamburger::after {
    bottom: 0;
    transform: rotate(-45deg);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 0.5rem;
}

.nav-links a:hover {
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    padding: calc(var(--spacing-lg) * 2) 0;
    background: linear-gradient(135deg, #a7bfa5, #986D8E);
    background-size: 400% 400%;
    animation: gradient 15s ease infinite;
    color: white;
    text-align: center;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-sm);
    animation: fadeInUp 0.8s ease;
}

.hero h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    color: rgba(255, 255, 255, 0.9);
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

.tagline {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.8s ease 0.4s backwards;
}

/* Buttons */
.cta-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    animation: fadeInUp 0.8s ease 0.6s backwards;
}

.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

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

.btn.secondary {
    background-color: transparent;
    color: white;
    border: 2px solid white;
}

/* Sections */
section {
    padding: var(--spacing-lg) 0;
}

section:nth-child(even) {
    background-color: var(--section-bg);
}

h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    text-align: center;
}

/* Projects */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.project-card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: var(--spacing-md);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, background-color 0.3s ease;
}

.project-card:hover {
    transform: translateY(-5px);
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: var(--spacing-sm);
}

.tech-stack span {
    background: #f3f6f3;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    color: var(--primary-color);
    border: 1px solid rgba(167, 191, 165, 0.3);
}

/* Skills */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.skill-category {
    background: var(--card-bg);
    padding: var(--spacing-md);
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: background-color 0.3s ease;
}

.skill-category h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

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

.skill-category li {
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.skill-category li::before {
    content: '→';
    color: var(--primary-color);
    margin-right: 0.5rem;
}

/* Contact */
.contact-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.contact-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: var(--text-color);
    transition: transform 0.3s ease;
}

.contact-item:hover {
    transform: translateY(-3px);
    color: var(--primary-color);
}

/* Footer */
.footer {
    background: var(--footer-bg);
    color: var(--footer-text);
    padding: var(--spacing-md) 0;
    text-align: center;
    border-top: 1px solid var(--toggle-border);
    transition: background-color 0.3s ease, color 0.3s ease;
}

.footer p {
    opacity: 0.9;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes gradient {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    body.menu-open {
        overflow: hidden;
    }

    .menu-toggle {
        display: block;
        position: relative;
        z-index: 1002;
    }

    .nav-container {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 100%;
        background: var(--nav-bg);
        backdrop-filter: blur(10px);
        flex-direction: column;
        justify-content: center;
        transition: right 0.3s ease;
        z-index: 1000;
    }

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

    .nav-links {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .nav-links li {
        opacity: 0;
        transform: translateX(100px);
        transition: all 0.3s ease;
    }

    .nav-container.active .nav-links li {
        opacity: 1;
        transform: translateX(0);
    }

    .nav-links a {
        font-size: 1.25rem;
        padding: 1rem;
        display: inline-block;
        width: auto;
    }

    /* Stagger animation delays for menu items */
    .nav-links li:nth-child(1) { transition-delay: 0.1s; }
    .nav-links li:nth-child(2) { transition-delay: 0.2s; }
    .nav-links li:nth-child(3) { transition-delay: 0.3s; }
    .nav-links li:nth-child(4) { transition-delay: 0.4s; }
    .nav-links li:nth-child(5) { transition-delay: 0.5s; }
}

/* Blog Page Styles */
.blog-header {
    padding: calc(var(--spacing-lg) * 1.5) 0 var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    text-align: center;
    margin-top: 60px;
}

.blog-header h1 {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    animation: fadeInUp 0.8s ease;
}

.blog-header p {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

.blog {
    padding: var(--spacing-lg) 0;
    background: var(--background);
}

.blog-post {
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
    background: var(--card-bg);
    border-radius: 12px;
    padding: var(--spacing-md);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.blog-post h2 {
    font-size: 2.2rem;
    color: var(--primary-color);
    text-align: left;
    margin-bottom: var(--spacing-sm);
}

.blog-post h3 {
    font-size: 1.6rem;
    margin: var(--spacing-md) 0 var(--spacing-sm);
    color: var(--text-color);
}

.post-meta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    color: var(--light-text);
    font-size: 0.9rem;
}

.post-meta .tags {
    color: var(--primary-color);
}

.post-content {
    color: var(--text-color);
    font-size: 1.1rem;
    line-height: 1.7;
}

.post-content pre {
    background: var(--section-bg);
    padding: var(--spacing-md);
    border-radius: 8px;
    overflow-x: auto;
    margin: var(--spacing-md) 0;
}

.post-content code {
    font-family: 'Courier New', Courier, monospace;
    line-height: 1.6;
    font-size: 0.95rem;
}

.post-content ul,
.post-content ol {
    margin: var(--spacing-sm) 0;
    padding-left: var(--spacing-md);
}

.post-content li {
    margin-bottom: 0.75rem;
}

.post-content .conclusion {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--section-bg);
    border-left: 4px solid var(--primary-color);
    border-radius: 4px;
}

@media (max-width: 768px) {
    .blog-header {
        margin-top: 56px;
        padding: var(--spacing-lg) var(--spacing-sm);
    }

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

    .blog-header p {
        font-size: 1rem;
        padding: 0;
    }

    .blog-post {
        margin: 0 var(--spacing-sm) var(--spacing-lg);
        padding: var(--spacing-sm);
    }

    .blog-post h2 {
        font-size: 1.6rem;
    }

    .blog-post h3 {
        font-size: 1.3rem;
    }

    .post-content {
        font-size: 1rem;
    }

    .post-meta {
        flex-direction: column;
        gap: 0.5rem;
    }

    .post-content pre {
        padding: var(--spacing-sm);
        margin: var(--spacing-sm) -var(--spacing-sm);
        border-radius: 0;
    }

    .post-content code {
        font-size: 0.9rem;
    }

    .post-content .conclusion {
        margin: var(--spacing-md) -var(--spacing-sm) 0;
        padding: var(--spacing-sm);
        border-radius: 0;
    }
}