/* ==========================================================================
   Global Styles
   ========================================================================== */

:root {
    --primary-color: #2d7a4f;
    --secondary-color: #1e5a3a;
    --accent-color: #4caf50;
    --light-green: #81c784;
    --dark-green: #1b5e20;
    --text-color: #333;
    --text-light: #666;
    --bg-light: #f1f8f4;
    --bg-white: #ffffff;
    --border-color: #d4e9dd;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 4px 20px rgba(0, 0, 0, 0.12);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--bg-light);
}

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

.section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 40px;
    text-align: center;
    position: relative;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 2px;
}

/* ==========================================================================
   Navigation
   ========================================================================== */

.navbar {
    background-color: var(--bg-white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
}

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

.nav-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

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

.nav-menu a:hover::after {
    width: 100%;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
    background: linear-gradient(135deg, #2d7a4f 0%, #1b5e20 100%);
    color: white;
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('./assets/images/geometric-bg.gif') center/cover;
    opacity: 0.1;
    z-index: 0;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.profile-img {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    object-fit: cover;
    border: 6px solid rgba(255, 255, 255, 0.3);
    margin-bottom: 25px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.subtitle {
    font-size: 1.5rem;
    font-weight: 300;
    margin-bottom: 10px;
    opacity: 0.95;
}

.location {
    font-size: 1.1rem;
    margin-bottom: 30px;
    opacity: 1;
    font-weight: 500;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    background-color: rgba(255, 255, 255, 0.15);
    display: inline-block;
    padding: 8px 20px;
    border-radius: 25px;
    backdrop-filter: blur(10px);
}

.hero-links {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 30px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.2);
    color: var(--bg-white);
    border: 2px solid var(--bg-white);
}

.btn-secondary:hover {
    background-color: var(--bg-white);
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

/* ==========================================================================
   About Section
   ========================================================================== */

.about-section {
    background-color: var(--bg-white);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.about-content p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.8;
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 1rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ==========================================================================
   Experience Section
   ========================================================================== */

.experience-section {
    background-color: var(--bg-light);
}

.timeline {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--primary-color), var(--accent-color));
}

.timeline-item {
    position: relative;
    padding-left: 60px;
    margin-bottom: 40px;
}

.timeline-marker {
    position: absolute;
    left: 11px;
    top: 5px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: var(--primary-color);
    border: 4px solid var(--bg-light);
    box-shadow: 0 0 0 4px var(--primary-color);
    z-index: 1;
}

.timeline-content {
    background-color: var(--bg-white);
    padding: 25px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.timeline-content:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.company-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.timeline-content h3 {
    font-size: 1.5rem;
    color: var(--text-color);
    margin-bottom: 5px;
}

.timeline-content h4 {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.company {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-light);
}

.duration {
    font-size: 0.9rem;
    color: var(--text-light);
    font-weight: 500;
}

.date {
    font-size: 0.95rem;
    color: var(--text-light);
    margin-bottom: 8px;
}

.location, .type {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 10px;
}

.position {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.position:first-of-type {
    margin-top: 15px;
}

.description {
    color: var(--text-light);
    line-height: 1.7;
    margin-top: 10px;
}

.skills-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 15px;
}

.tag {
    display: inline-block;
    background-color: #e7f3ff;
    color: var(--primary-color);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* ==========================================================================
   Education Section
   ========================================================================== */

.education-section {
    background-color: var(--bg-white);
}

.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}

.education-card {
    background-color: var(--bg-light);
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

.education-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.edu-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.education-card h3 {
    font-size: 1.3rem;
    color: var(--text-color);
    margin-bottom: 10px;
}

.education-card h4 {
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: 10px;
    font-weight: 600;
}

.field {
    color: var(--text-light);
    margin-bottom: 8px;
}

/* ==========================================================================
   Skills Section
   ========================================================================== */

.skills-section {
    background-color: var(--bg-light);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.skill-category {
    background-color: var(--bg-white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.skill-category h3 {
    font-size: 1.3rem;
    color: var(--text-color);
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--border-color);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.skill-tag {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    padding: 10px 18px;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    cursor: default;
}

.skill-tag:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(10, 102, 194, 0.3);
}

/* ==========================================================================
   Volunteer Section
   ========================================================================== */

.volunteer-section {
    background-color: var(--bg-white);
}

.volunteer-card {
    max-width: 800px;
    margin: 0 auto 40px;
    background-color: var(--bg-light);
    padding: 30px;
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
}

.volunteer-card h3 {
    font-size: 1.5rem;
    color: var(--text-color);
    margin-bottom: 10px;
}

.contributors {
    font-size: 0.9rem;
    color: var(--text-light);
    font-style: italic;
    margin-top: 10px;
}

.causes {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.causes h3 {
    font-size: 1.3rem;
    color: var(--text-color);
    margin-bottom: 20px;
}

.causes-tags {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.cause-tag {
    display: inline-block;
    background-color: #fff3e0;
    color: #e65100;
    padding: 12px 24px;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 600;
}

/* ==========================================================================
   Projects & Gallery Section
   ========================================================================== */

.projects-section {
    background-color: var(--bg-light);
}

.section-intro {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 800px;
    margin: -20px auto 50px;
    line-height: 1.8;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.project-card {
    background-color: var(--bg-white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.project-image {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.project-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('./assets/images/geometric-bg.gif') center/cover;
    opacity: 0.15;
}

.project-icon {
    font-size: 4rem;
    position: relative;
    z-index: 1;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
}

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

.project-tag {
    display: inline-block;
    background-color: rgba(45, 122, 79, 0.1);
    color: var(--primary-color);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 12px;
    align-self: flex-start;
}

.project-card h3 {
    font-size: 1.4rem;
    color: var(--text-color);
    margin-bottom: 12px;
}

.project-card p {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 20px;
    flex: 1;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: auto;
}

.project-tech span {
    background-color: var(--bg-light);
    color: var(--primary-color);
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid var(--border-color);
}

.projects-cta {
    text-align: center;
    padding: 50px 30px;
    background: linear-gradient(135deg, rgba(45, 122, 79, 0.05) 0%, rgba(27, 94, 32, 0.05) 100%);
    border-radius: 16px;
    border: 2px solid var(--border-color);
}

.projects-cta h3 {
    font-size: 1.8rem;
    color: var(--text-color);
    margin-bottom: 15px;
}

.projects-cta p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 25px;
}

.projects-cta .btn {
    font-size: 1.1rem;
    padding: 15px 40px;
}

/* ==========================================================================
   Contact Section
   ========================================================================== */

.contact-section {
    background: linear-gradient(135deg, #2d7a4f 0%, #1b5e20 100%);
    color: white;
    text-align: center;
}

.contact-section .section-title {
    color: white;
}

.contact-section .section-title::after {
    background: white;
}

.contact-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background-color: white;
    color: var(--primary-color);
    padding: 15px 35px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.contact-link:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.languages {
    margin-top: 20px;
    opacity: 0.9;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
    background-color: #1a1a1a;
    color: white;
    padding: 30px 0;
    text-align: center;
}

.footer p {
    margin: 5px 0;
    opacity: 0.8;
}

.footer-tagline {
    font-style: italic;
    margin-top: 10px;
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

@media (max-width: 768px) {
    .nav-menu {
        gap: 15px;
        font-size: 0.9rem;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .subtitle {
        font-size: 1.2rem;
    }

    .section {
        padding: 50px 0;
    }

    .section-title {
        font-size: 2rem;
    }

    .timeline::before {
        left: 10px;
    }

    .timeline-item {
        padding-left: 40px;
    }

    .timeline-marker {
        left: 1px;
    }

    .company-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }

    .stats {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .education-grid,
    .skills-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .nav-menu {
        flex-direction: column;
        gap: 10px;
        align-items: center;
    }

    .navbar .container {
        flex-direction: column;
        gap: 15px;
    }

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

    .profile-img {
        width: 140px;
        height: 140px;
    }

    .hero-links,
    .contact-links {
        flex-direction: column;
    }
}

/* ==========================================================================
   Animations
   ========================================================================== */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.timeline-item,
.education-card,
.skill-category,
.volunteer-card {
    animation: fadeIn 0.6s ease-out;
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */

.text-center {
    text-align: center;
}

.mt-1 { margin-top: 10px; }
.mt-2 { margin-top: 20px; }
.mt-3 { margin-top: 30px; }

.mb-1 { margin-bottom: 10px; }
.mb-2 { margin-bottom: 20px; }
.mb-3 { margin-bottom: 30px; }