/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

:root {
	--color-bg: #212A31;
	--color-bg-alt: #2E3944;
	--color-card: #2E3944;
	--color-text: #FFFFFF;
	--color-text-muted: #D1E8E2;/*#D1E8E2 -- for slightly green tint*/
	--color-text-subtle: #D1E8E2; /* rgba(255, 255, 255, 0.7) -- for more neutral tan tint*/
	--color-accent: #2a80a2; 
	--color-accent-2: #D3D9D4;
	--color-accent-contrast: #D3D9D4;
	--color-nav: rgba(46, 57, 68, 0.95);
	--color-nav-scrolled: rgba(46, 57, 68, 0.98);
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--color-nav);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo a {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-accent);
    text-decoration: none;
    transition: color 0.3s ease;
}

.nav-logo a:hover {
    color: var(--color-accent-contrast);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--color-accent);
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--color-accent);
    transition: width 0.3s ease;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: var(--color-text);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
    color: white;
    padding: 120px 0 80px 0;
}

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

.hero-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    align-items: center;
}

.profile-section {
    display: flex;
    justify-content: center;
}

.profile-picture {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    overflow: hidden;
    border: 5px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
}

.profile-picture:hover {
    transform: scale(1.05);
}

.profile-picture img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-text {
    max-width: 600px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, #ffffff, #f0f0f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 1.5rem;
    color: var(--color-text-muted); /*rgba(255, 255, 255, 0.9); -- more neutral tan color*/
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: var(--color-text-muted);/*rgba(255, 255, 255, 0.8) -- -- more neutral tan color;*/
    line-height: 1.8;
}

.contact-info {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
}

.contact-link {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 25px;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.contact-link:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    padding: 12px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    border: 2px solid transparent;
}

.btn-primary {
    background: #ffffff;
    color: var(--color-accent);
}

.btn-primary:hover {
    background: transparent;
    color: #ffffff;
    border-color: #ffffff;
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: #ffffff;
    border-color: #ffffff;
}

.btn-secondary:hover {
    background: #ffffff;
    color: var(--color-accent);
    transform: translateY(-2px);
}

/* Section Styles */
section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--color-text);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(45deg, var(--color-accent), var(--color-accent-2));
    border-radius: 2px;
}

/* About Section */
.about {
    background: var(--color-bg-alt);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-text p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: var(--color-text-muted);
    line-height: 1.8;
}

.about-stats {
    display: grid;
    gap: 2rem;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background: var(--color-card);
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
}

.stat-item h3 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 0.5rem;
}

.stat-item p {
    color: var(--color-text-subtle);
    font-weight: 500;
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--color-card);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.project-image {
    height: 200px;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.project-content {
    padding: 1.5rem;
}

.project-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--color-text);
}

.project-description {
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tech-tag {
    background: var(--color-accent);
    color: #FFFFFF;
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 500;
}

.project-links {
    display: flex;
    gap: 1rem;
}

.project-link {
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.3s ease;
}

.project-link:hover {
    color: var(--color-accent-contrast);
}

/* Education Section */
.education {
    background: var(--color-bg-alt);
}

/* Training Section */
.training {
    background: var(--color-bg);
}

.education-timeline {
    max-width: 800px;
    margin: 0 auto;
}

.education-item {
    position: relative;
    margin-bottom: 3rem;
    padding-left: 3rem;
}

.education-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 20px;
    height: 20px;
    background: var(--color-accent);
    border-radius: 50%;
    border: 4px solid white;
    box-shadow: 0 0 0 4px var(--color-accent-2);
}

.education-item::after {
    content: '';
    position: absolute;
    left: 9px;
    top: 20px;
    width: 2px;
    height: calc(100% + 1rem);
    background: var(--color-accent-2);
}

.education-item:last-child::after {
    display: none;
}

.education-content {
    background: var(--color-card);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.education-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.education-degree {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-text);
}

.education-year {
    background: var(--color-accent);
    color: white;
    padding: 0.25rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.education-school {
    font-size: 1.1rem;
    color: var(--color-accent);
    margin-bottom: 1rem;
    font-weight: 500;
}

.education-description {
    color: var(--color-text-muted);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.education-gpa {
    color: var(--color-accent);
    font-weight: 500;
}

/* Skills Section */
.skills {
    background: var(--color-bg-alt);
}
.skills-content {
    max-width: 900px;
    margin: 0 auto;
}

.skills-category {
    margin-bottom: 3rem;
}

.category-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--color-text);
    text-align: center;
}

.skills-grid {
    display: grid;
    gap: 1.5rem;
}

.skill-item {
    background: var(--color-card);
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.skill-name {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.skill-bar {
    height: 8px;
    background: rgba(116, 141, 146, 0.25);
    border-radius: 4px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(45deg, var(--color-accent), var(--color-accent-2));
    border-radius: 4px;
    transition: width 1.5s ease;
}

.skills-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
}

.skill-tag {
    background: var(--color-accent);
    color: #FFFFFF;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.skill-tag:hover {
    background: var(--color-accent-contrast);
    color: white;
    transform: translateY(-2px);
}

/* Experience Section */
#leadership {
    background: var(--color-bg-alt);
}
.experience-timeline {
    max-width: 900px;
    margin: 0 auto;
}

.experience-item {
    position: relative;
    margin-bottom: 3rem;
    padding-left: 3rem;
}

.experience-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 20px;
    height: 20px;
    background: var(--color-accent);
    border-radius: 50%;
    border: 4px solid white;
    box-shadow: 0 0 0 4px var(--color-accent-2);
}

.experience-item::after {
    content: '';
    position: absolute;
    left: 9px;
    top: 20px;
    width: 2px;
    height: calc(100% + 1rem);
    background: var(--color-accent-2);
}

.experience-item:last-child::after {
    display: none;
}

.experience-content {
    background: var(--color-card);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.experience-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.experience-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-text);
}

.experience-period {
    background: var(--color-accent);
    color: white;
    padding: 0.25rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.experience-company {
    font-size: 1.1rem;
    color: var(--color-accent);
    margin-bottom: 1rem;
    font-weight: 500;
}

.experience-description {
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.experience-description li {
    margin-bottom: 0.5rem;
}

.experience-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

/* Footer */
.footer {
    background: var(--color-bg);
    color: white;
    padding: 3rem 0 1rem 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
    color: var(--color-accent);
}

.footer-section p {
    color: var(--color-text-muted);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-links a {
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-links a:hover {
    color: var(--color-accent);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--color-card);
    color: white;/*var(--color-text-subtle);*/
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--color-bg-alt);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.3);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

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

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .profile-picture {
        width: 200px;
        height: 200px;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

    .education-header,
    .experience-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .education-item,
    .experience-item {
        padding-left: 2rem;
    }

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

    .hero-buttons {
        justify-content: center;
    }

    .contact-info {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

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

    .profile-picture {
        width: 150px;
        height: 150px;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .contact-link {
        font-size: 0.9rem;
        padding: 0.4rem 0.8rem;
    }
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Scroll animations */
@keyframes slideInFromLeft {
    0% {
        transform: translateX(-100%);
        opacity: 0;
    }
    100% {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideInFromRight {
    0% {
        transform: translateX(100%);
        opacity: 0;
    }
    100% {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes fadeInUp {
    0% {
        transform: translateY(50px);
        opacity: 0;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}