/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #2d6a4f;
    --primary-dark: #1b4332;
    --primary-light: #40916c;
    --accent: #52b788;
    --text: #1a1a2e;
    --text-light: #4a4a5a;
    --bg: #ffffff;
    --bg-alt: #f8faf9;
    --border: #d8e2dc;
    --shadow: rgba(45, 106, 79, 0.1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.7;
    color: var(--text);
    background-color: var(--bg);
}

/* Layout */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header */
header {
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-dark);
    text-decoration: none;
}

.logo span {
    color: var(--accent);
}

nav {
    display: flex;
    gap: 2rem;
}

nav a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s ease;
    position: relative;
}

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

nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.2s ease;
}

nav a:hover::after,
nav a.active::after {
    width: 100%;
}

/* Hamburger menu */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.menu-toggle .bar {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--text);
    margin: 5px 0;
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--bg-alt) 0%, var(--bg) 100%);
}

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero h1 span {
    color: var(--accent);
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-light);
    max-width: 600px;
    margin-bottom: 2rem;
}

.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    background: var(--primary);
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    transition: all 0.2s ease;
}

.btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow);
}

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

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

/* Services Section */
.services {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.25rem;
    color: var(--primary-dark);
    margin-bottom: 1rem;
}

.section-header p {
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.service-card:hover {
    border-color: var(--accent);
    box-shadow: 0 8px 24px var(--shadow);
    transform: translateY(-4px);
}

.service-icon {
    width: 48px;
    height: 48px;
    background: var(--bg-alt);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.service-card h3 {
    font-size: 1.25rem;
    color: var(--primary-dark);
    margin-bottom: 0.75rem;
}

.service-card p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Main Content */
main {
    padding: 3rem 0;
}

main.container {
    max-width: 800px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: var(--primary-dark);
    line-height: 1.3;
}

h1 { font-size: 2.5rem; margin-bottom: 1.5rem; }
h2 { font-size: 1.75rem; margin: 2rem 0 1rem; }
h3 { font-size: 1.35rem; margin: 1.5rem 0 0.75rem; }

p {
    margin-bottom: 1.25rem;
    color: var(--text-light);
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

/* Blog List */
.blog-list {
    list-style: none;
}

.blog-post {
    padding: 2rem 0;
    border-bottom: 1px solid var(--border);
}

.blog-post:last-child {
    border-bottom: none;
}

.blog-post h2 {
    margin: 0 0 0.5rem;
    font-size: 1.5rem;
}

.blog-post h2 a {
    color: var(--primary-dark);
}

.blog-post h2 a:hover {
    color: var(--primary);
}

.blog-post time {
    display: block;
    color: var(--text-light);
    font-size: 0.875rem;
    margin-bottom: 0.75rem;
}

.blog-post .excerpt {
    color: var(--text-light);
    margin: 0;
}

/* Single Post */
.post-header {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.post-header h1 {
    margin-bottom: 0.5rem;
}

.post-header time {
    color: var(--text-light);
    font-size: 0.95rem;
}

.post-content {
    font-size: 1.05rem;
}

.post-content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 2rem 0;
}

/* Code */
code {
    background: var(--bg-alt);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-size: 0.9rem;
    color: var(--primary-dark);
}

pre {
    background: var(--primary-dark);
    color: #e0e0e0;
    padding: 1.25rem;
    border-radius: 8px;
    overflow-x: auto;
    margin: 1.5rem 0;
}

pre code {
    background: none;
    padding: 0;
    color: inherit;
}

/* Lists */
ul, ol {
    margin: 1rem 0 1.5rem;
    padding-left: 1.5rem;
}

li {
    margin-bottom: 0.5rem;
    color: var(--text-light);
}

/* Blockquote */
blockquote {
    border-left: 4px solid var(--accent);
    padding-left: 1.25rem;
    margin: 1.5rem 0;
    font-style: italic;
    color: var(--text-light);
}

/* Contact Page */
.contact-section {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.contact-section h1 {
    margin-bottom: 1rem;
}

.contact-section .lead {
    font-size: 1.15rem;
    margin-bottom: 2.5rem;
}

.contact-email {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    padding: 1rem 2rem;
    background: var(--bg-alt);
    border-radius: 8px;
    color: var(--primary);
    font-weight: 600;
    transition: all 0.2s ease;
}

.contact-email:hover {
    background: var(--primary);
    color: white;
}

/* Footer */
footer {
    background: var(--bg-alt);
    border-top: 1px solid var(--border);
    padding: 2rem 0;
    margin-top: 4rem;
    text-align: center;
}

footer p {
    color: var(--text-light);
    font-size: 0.9rem;
    margin: 0;
}

/* Responsive */
@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }

    nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg);
        flex-direction: column;
        padding: 1rem;
        gap: 0;
        border-bottom: 1px solid var(--border);
        box-shadow: 0 4px 12px var(--shadow);
    }

    nav.is-open {
        display: flex;
    }

    nav a {
        padding: 0.75rem 0;
        border-bottom: 1px solid var(--border);
    }

    nav a:last-child {
        border-bottom: none;
    }

    nav a::after {
        display: none;
    }

    .menu-toggle.is-open .bar:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .menu-toggle.is-open .bar:nth-child(2) {
        opacity: 0;
    }

    .menu-toggle.is-open .bar:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    .hero {
        padding: 3rem 0;
    }

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

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

    .services {
        padding: 3rem 0;
    }

    .section-header h2 {
        font-size: 1.75rem;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

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