:root {
    --primary-color: #2a2a2a;
    --accent-color: #4a90e2;
    --text-color: #333;
    --light-gray: #f5f5f5;
    --medium-gray: #e0e0e0;
    --white: #ffffff;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Montserrat', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    overflow-x: hidden;
}

/* Preloader */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--white);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    opacity: 1;
    transition: opacity 0.5s ease;
}

.preloader.hidden {
    opacity: 0;
    pointer-events: none;
}

/* Ribbon Navigation */
.ribbon-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--white);
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
    padding: 1rem 0;
}

body {
    padding-top: 60px;
}

.ribbon-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    padding: 0 2rem;
}

.ribbon-item {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    position: relative;
    transition: var(--transition);
}

.ribbon-item:hover {
    color: var(--accent-color);
}

.ribbon-item.active {
    color: var(--accent-color);
}

.ribbon-item.active::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--accent-color);
    border-radius: 3px;
}

/* Header and Hero Section */
.hero {
    min-height: 100vh;
    position: relative;
    background: #2E2E2E;
    overflow: hidden;
}

.scrolling-name {
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    transform: translateY(-50%);
    overflow: hidden;
    white-space: nowrap;
}

.scroll-container {
    display: inline-block;
    animation: scrollText 20s linear infinite;
}

.scroll-container span {
    display: inline-block;
    font-size: 8vw;
    font-weight: 700;
    color: #FFFFFF;
    opacity: 0.15;
    margin-right: 2rem;
}

@keyframes scrollText {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.hero-content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    min-height: 100vh;
    padding: 4rem 2rem;
    text-align: center;
}

.profile-image {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 3rem;
    border: 4px solid var(--white);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.profile-image:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.15);
}

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

.hero-content h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #FFFFFF;
    margin-top: auto;
    padding-top: 2rem;
    margin-bottom: 1rem;
}

.tagline {
    color: #FFFFFF;
    font-size: 1.2rem;
    font-weight: 300;
    max-width: 600px;
    margin: 0 auto;
    opacity: 0.9;
    line-height: 1.5;
}

@media (max-width: 768px) {
    .tagline {
        font-size: 1rem;
        padding: 0 1rem;
    }
}

/* Sections */
.section {
    padding: 5rem 2rem;
}

.section:nth-child(even) {
    background: var(--light-gray);
}

.section h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
    color: var(--primary-color);
}

#about p {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 2rem;
    line-height: 1.8;
}

/* Key Responsibilities */
.key-responsibilities {
    margin-top: 2rem;
    text-align: center;
}

.key-responsibilities h3 {
    color: var(--accent-color);
    margin-bottom: 1.5rem;
}

.responsibilities-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.responsibilities-list span {
    background: var(--white);
    padding: 0.8rem 1.5rem;
    border-radius: 5px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.responsibilities-list span:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

/* Experience Section */
.experience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.experience-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

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

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

.company {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.skills-category {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

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

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

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

.skills-category li::before {
    content: "•";
    color: var(--accent-color);
    position: absolute;
    left: 0;
}

/* Portfolio Section */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.portfolio-item {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

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

.portfolio-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.portfolio-item h3 {
    padding: 1.5rem;
    color: var(--accent-color);
}

.portfolio-item p {
    padding: 0 1.5rem 1.5rem;
}

/* Personal Interests Section */
.interests-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.interest-item {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

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

.interest-item h3 {
    color: var(--accent-color);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.interest-icon {
    font-size: 1.5rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--light-gray);
    padding: 0.5rem;
    border-radius: 50%;
    width: 2.5rem;
    height: 2.5rem;
    transition: var(--transition);
}

.interest-item:hover .interest-icon {
    transform: scale(1.1);
    background: var(--medium-gray);
}

.charity-link {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--medium-gray);
}

.charity-link a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

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

/* Contact Section */
.contact-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.contact-text {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.coffee-cup {
    font-size: 5rem;
    margin: 0 auto 2rem;
    text-align: center;
    line-height: 1;
}

.contact-text h3 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 2.5rem;
}

.contact-buttons {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
}

.contact-button {
    background: #2E2E2E;
    color: #FFFFFF;
    padding: 1rem 2rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    min-width: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.contact-button:hover {
    background: #3a3a3a;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

@media (max-width: 768px) {
    .contact-buttons {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .contact-button {
        width: 100%;
        max-width: 300px;
        text-align: center;
    }
}

/* Footer */
footer {
    background: var(--primary-color);
    color: var(--white);
    text-align: center;
    padding: 2rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2rem;
    }

    .section {
        padding: 3rem 1rem;
    }

    .section h2 {
        font-size: 2rem;
    }

    .scroll-container span {
        font-size: 12vw;
    }

    .responsibilities-list {
        flex-direction: column;
        align-items: center;
    }

    .responsibilities-list span {
        width: 100%;
        max-width: 300px;
    }

    .ribbon-container {
        flex-wrap: wrap;
        gap: 1rem;
    }

    .ribbon-item {
        font-size: 0.9rem;
        padding: 0.4rem 0.8rem;
    }

    .ribbon-nav {
        padding: 0.8rem 0;
    }
}

@media (max-width: 480px) {
    .profile-image {
        width: 150px;
        height: 150px;
    }

    .hero-content h1 {
        font-size: 1.5rem;
    }
}