/* CSS Variables for easier theming */
:root {
    --nav-width: 270px;
    --primary-color: #386641;
    --secondary-color: #6a994e;
    --accent-color: #a7c957;
    --text-color: #333;
    --light-bg: #f8f9fa;
    --white: #ffffff;
    --border-radius: 8px;
    --box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    --transition: all 0.3s ease-in-out;
}

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

body {
    font-family: 'Georgia', 'Times New Roman', serif;
    line-height: 1.6;
    color: var(--text-color);
    background: 
        url('data:image/svg+xml;base64,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'),
        linear-gradient(135deg, #f8f9fa 0%, #e8f5e8 100%);
    background-attachment: fixed;
    scroll-behavior: smooth;
}

/* Layout containers */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.page-wrapper {
    display: flex;
    min-height: 100vh;
}

/* Navigation styles */
nav {
    width: var(--nav-width);
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    background: linear-gradient(180deg, var(--primary-color) 0%, #2c5530 100%);
    padding: 20px 0;
    z-index: 1000;
    transition: var(--transition);
    overflow-y: auto;
    box-shadow: 2px 0 10px rgba(0,0,0,0.1);
}

nav .nav-container {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 20px;
}

nav .nav-brand {
    color: var(--accent-color);
    font-size: 1.3em;
    font-weight: bold;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--secondary-color);
    text-align: center;
}

nav a {
    color: white;
    text-decoration: none;
    padding: 12px 20px;
    font-size: 0.95em;
    transition: var(--transition);
    border-radius: var(--border-radius);
    display: block;
    margin-bottom: 5px;
    position: relative;
}

nav a:hover, nav a.active {
    background: rgba(255,255,255,0.1);
    padding-left: 30px;
    transform: translateX(5px);
}

nav a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 0;
    background: var(--accent-color);
    transition: var(--transition);
}

nav a:hover::before, nav a.active::before {
    height: 70%;
}

/* Main content area */
.main-content {
    margin-left: var(--nav-width);
    width: calc(100% - var(--nav-width));
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex-grow: 1;
}

/* Header styles */
header {
    background: 
        url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxMDAlIiBoZWlnaHQ9IjEwMCUiPjxkZWZzPjxwYXR0ZXJuIGlkPSJzdHJpcGVzIiBwYXR0ZXJuVW5pdHM9InVzZXJTcGFjZU9uVXNlIiB3aWR0aD0iNSIgaGVpZ2h0PSI1Ij48cGF0aCBkPSJtIDAgNGwgNCAwIiBzdHJva2U9InJnYmEoMjU1LDI1NSwyOTNZLDAuMDcpIiBzdHJva2Utd2lkdGg9IjEiLz48cGF0aCBkPSJtIDQgNSAwIC00IiBzdHJva2U9InJnYmEoMjU1LDI1NSwyNTUsMC4wNykiIHN0cm9rZS13aWR0aD0iMSIvPjwvcGF0dGVybj48L2RlZnM+PHJlY3Qgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSIgZmlsbD0idXJsKCNzdHJpcGVzKSIvPjwvc3ZnPg=='),
        linear-gradient(135deg, #2c5530 0%, #4a7c59 100%);
    background-blend-mode: overlay;
    color: white;
    padding: 30px 0;
    box-shadow: var(--box-shadow);
    position: relative;
    overflow: hidden;
}

.header-content {
    display: flex;
    align-items: center;
    gap: 40px;
    position: relative;
    z-index: 2;
}

.profile-image {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    border: 5px solid rgba(255,255,255,0.9);
    box-shadow: 0 8px 25px rgba(0,0,0,0.3);
    object-fit: cover;
    flex-shrink: 0;
    transition: var(--transition);
}

.profile-image:hover {
    transform: scale(1.05);
    box-shadow: 0 12px 35px rgba(0,0,0,0.4);
}

.header-info h1 {
    font-size: 2.8em;
    margin-bottom: 8px;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.header-info h2 {
    font-size: 1.3em;
    font-weight: normal;
    opacity: 0.9;
    margin-bottom: 8px;
    line-height: 1.4;
}

.header-info h3 {
    font-size: 1.1em;
    font-weight: normal;
    opacity: 0.8;
    font-style: italic;
}

/* Main content sections */
main {
    padding: 50px 0;
}

section {
    margin-bottom: 50px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    border: 1px solid rgba(167, 201, 87, 0.2);
}

section:hover {
    box-shadow: 0 8px 25px rgba(0,0,0,0.08);
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.98);
}

h2.section-title {
    font-size: 2.2em;
    color: var(--primary-color);
    margin-bottom: 25px;
    border-bottom: 3px solid var(--accent-color);
    padding-bottom: 12px;
    position: relative;
}

h2.section-title::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
}

/* About section */
#about p {
    font-size: 1.15em;
    text-align: justify;
    margin-bottom: 20px;
    line-height: 1.8;
}

#about p:first-of-type {
    font-size: 1.2em;
    font-weight: 500;
}

/* Highlights section */
.highlights {
    background: linear-gradient(135deg, rgba(248, 249, 250, 0.9) 0%, rgba(233, 236, 239, 0.9) 100%);
    border-left: 5px solid var(--accent-color);
}

.highlights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 20px;
}

.highlight-item {
    background: rgba(255, 255, 255, 0.9);
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(167, 201, 87, 0.3);
}

.highlight-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.highlight-item h4 {
    color: var(--primary-color);
    font-size: 1.1em;
    margin-bottom: 10px;
}

.highlight-item p {
    font-size: 0.95em;
    color: #666;
}

/* Details grid */
.details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 35px;
}

.detail-item {
    transition: var(--transition);
}

.detail-item h3 {
    font-size: 1.5em;
    color: var(--primary-color);
    margin-bottom: 20px;
    border-bottom: 2px solid #eee;
    padding-bottom: 8px;
    position: relative;
}

.detail-item h3::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--accent-color);
}

.detail-item ul {
    list-style-type: none;
    padding-left: 0;
}

.detail-item ul li {
    background: url('data:image/svg+xml;charset=UTF-8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%23a7c957"><path d="M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41L9 16.17z"/></svg>') no-repeat left center;
    background-size: 18px;
    padding-left: 30px;
    margin-bottom: 12px;
    font-size: 1.05em;
    line-height: 1.6;
}

.detail-item p {
    margin-bottom: 15px;
    line-height: 1.7;
}

.detail-item a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.detail-item a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

/* Contact list */
.contact-list {
    list-style: none;
    padding: 0;
}

.contact-list li {
    display: flex;
    align-items: center;
    margin-bottom: 18px;
    font-size: 1.05em;
    transition: var(--transition);
}

.contact-list li:hover {
    transform: translateX(5px);
}

.contact-list svg {
    width: 24px;
    height: 24px;
    margin-right: 18px;
    fill: var(--primary-color);
    flex-shrink: 0;
}

.contact-list a {
    color: var(--text-color);
    text-decoration: none;
    transition: var(--transition);
}

.contact-list a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

/* Social icons */
.social-icons {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    align-items: center;
}

.social-icons a {
    display: inline-block;
    transition: var(--transition);
    padding: 5px;
    border-radius: var(--border-radius);
}

.social-icons a:hover {
    transform: scale(1.2);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.social-icons img {
    width: 28px;
    height: 28px;
}

.social-icons svg {
    width: 32px;
    height: 32px;
}

/* Footer */
footer {
    background: linear-gradient(135deg, #2c5530 0%, #333 100%);
    color: white;
    text-align: center;
    padding: 30px 0;
    margin-top: auto;
}

footer p {
    font-size: 0.95em;
    opacity: 0.9;
}

/* Mobile navigation */
.mobile-nav-toggle {
    display: none;
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1001;
    background: var(--white);
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    cursor: pointer;
    padding: 10px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.mobile-nav-toggle:hover {
    background: var(--light-bg);
    transform: scale(1.1);
}

.mobile-nav-toggle .icon-hamburger,
.mobile-nav-toggle.active .icon-close {
    display: block;
}

.mobile-nav-toggle.active .icon-hamburger,
.mobile-nav-toggle .icon-close {
    display: none;
}

/* Back to top button */
#backToTopBtn {
    display: none;
    position: fixed;
    bottom: 40px;
    right: 40px;
    z-index: 99;
    font-size: 24px;
    border: none;
    outline: none;
    background-color: var(--primary-color);
    color: white;
    cursor: pointer;
    padding: 12px 16px;
    border-radius: 6px;
    transition: background-color 0.3s;
}

#backToTopBtn:hover {
    background-color: var(--secondary-color);
}

/* Loading animation */
.loading {
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition);
}

.loading.loaded {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive design */
@media (max-width: 992px) {
    :root {
        --nav-width: 0px;
    }
    
    .mobile-nav-toggle {
        display: block;
    }
    
    nav {
        transform: translateX(-100%);
    }
    
    nav.visible {
        transform: translateX(0);
        width: 300px;
        box-shadow: 5px 0 20px rgba(0,0,0,0.2);
    }
    
    .main-content {
        margin-left: 0;
        width: 100%;
    }

    .header-info h1 {
        font-size: 2.2em;
    }

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

@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }

    .header-content {
        flex-direction: column;
        text-align: center;
        gap: 25px;
    }

    .profile-image {
        width: 120px;
        height: 120px;
    }

    .header-info h1 {
        font-size: 1.8em;
    }

    .header-info h2 {
        font-size: 1.1em;
    }

    section {
        padding: 25px;
        margin-bottom: 30px;
    }

    h2.section-title {
        font-size: 1.8em;
    }

    #about p {
        font-size: 1.05em;
    }
}

@media (max-width: 480px) {
    .highlights-grid {
        grid-template-columns: 1fr;
    }

    .social-icons {
        justify-content: center;
    }

    nav.visible {
        width: 280px;
    }
}