:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --text-color: #333;
    --light-bg: #f8f9fa;
    --white: #ffffff;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
}

a {
    text-decoration: none;
    color: var(--secondary-color);
    transition: color 0.3s;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
header {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 2rem;
}

.nav-links a {
    color: var(--white);
    font-weight: 500;
}

.nav-links a:hover {
    color: var(--secondary-color);
}

.hamburger {
    display: none;
    cursor: pointer;
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(44, 62, 80, 0.9), rgba(44, 62, 80, 0.7)), url('/api/placeholder/1200/600') center/cover;
    height: 100vh;
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--white);
    padding-top: 60px;
}

.hero-content {
    width: 100%;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero p {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-btns {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s;
}

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

.btn-primary:hover {
    background-color: var(--accent-color);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

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

.btn-secondary:hover {
    background-color: var(--white);
    color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* Skills Section */
.skills {
    padding: 5rem 0;
}

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

.section-title h2 {
    font-size: 2.5rem;
    position: relative;
    display: inline-block;
    margin-bottom: 1rem;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background-color: var(--secondary-color);
}

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

@media (max-width: 767px) {
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.skill-card {
    background-color: var(--white);
    border-radius: 10px;
    padding: 2.5rem;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.skill-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.skill-card h3 {
    margin: 1rem 0;
    color: var(--primary-color);
    font-size: 1.4rem;
}

.skill-icon {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.skill-card p {
    flex-grow: 1;
}

.skill-highlights {
    margin-top: 1.5rem;
    text-align: left;
}

.highlight-item {
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 1.5rem;
}

.highlight-item:before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
}

/* Profile Photo */
.profile-photo-container {
    position: relative;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.profile-photo {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    border: 4px solid var(--secondary-color);
    overflow: hidden;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

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

.about-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.about-text {
    width: 100%;
    max-width: 800px;
    text-align: center;
}

.about-text h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.about-text p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.role-title {
    font-weight: 600;
    color: var(--secondary-color);
    font-size: 1.2rem;
    margin-bottom: 0.3rem;
    margin-top: 1.5rem;
}

.role-context {
    font-style: italic;
    margin-bottom: 0.5rem;
    color: #666;
}

/* Speaking Section */
.speaking {
    padding: 5rem 0;
}

.speaking-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.speaking-event {
    background-color: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    display: flex;
    transition: transform 0.3s;
}

.speaking-event:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.speaking-img {
    flex: 1;
    min-width: 300px;
}

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

.speaking-info {
    flex: 2;
    padding: 2rem;
}

.speaking-info h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.speaking-meta {
    display: flex;
    margin-bottom: 1rem;
    color: var(--secondary-color);
    font-weight: 500;
}

.speaking-meta div {
    margin-right: 2rem;
}

/* Board Section */
.board {
    padding: 5rem 0;
    background-color: var(--light-bg);
}

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

@media (max-width: 767px) {
    .board-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.board-item {
    background-color: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s;
}

.board-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.board-img {
    height: 200px;
}

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

.board-info {
    padding: 1.5rem;
}

.board-info h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

/* Awards Section */
.awards {
    padding: 5rem 0;
}

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

@media (max-width: 767px) {
    .awards-list {
        grid-template-columns: repeat(2, 1fr);
    }
}

.award-item {
    background-color: var(--white);
    border-radius: 10px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s;
    width: 300px;
}

.award-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.award-icon {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.award-item h3 {
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

/* Contact Section */
.contact {
    padding: 5rem 0;
    background-color: var(--primary-color);
    color: var(--white);
}

.contact-content {
    display: flex;
    gap: 4rem;
}

.contact-info {
    flex: 1;
}

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: 2rem;
}

.contact-item {
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
}

.contact-icon {
    margin-right: 1rem;
    font-size: 1.5rem;
    color: var(--secondary-color);
}

.contact-form {
    flex: 1;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-control {
    width: 100%;
    padding: 1rem;
    border: none;
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
}

textarea.form-control {
    height: 150px;
    resize: vertical;
}

.submit-btn {
    background-color: var(--secondary-color);
    color: var(--white);
    border: none;
    padding: 1rem 2rem;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s;
}

.submit-btn:hover {
    background-color: var(--accent-color);
    transform: translateY(-3px);
}

/* Footer */
footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.social-link {
    display: inline-block;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.social-link:hover {
    background-color: var(--secondary-color);
    transform: translateY(-3px);
}

/* Responsive Styles */
@media (max-width: 992px) {
    .about-content,
    .contact-content {
        flex-direction: column;
        gap: 2rem;
    }
    
    .speaking-event {
        flex-direction: column;
    }
    
    .speaking-img {
        min-width: 100%;
        height: 300px;
    }

    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero p {
        font-size: 1.2rem;
    }

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

    .skill-card {
        padding: 1.5rem;
    }

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

    .awards-list {
        grid-template-columns: 1fr;
    }

    .award-item {
        width: 100%;
    }
}

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

    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--primary-color);
        flex-direction: column;
        align-items: center;
        padding-top: 2rem;
        transition: left 0.3s;
        z-index: 1000;
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .nav-links li {
        margin: 1.5rem 0;
    }
    
    .hamburger {
        display: block;
        font-size: 1.5rem;
        color: var(--white);
    }

    .hero {
        padding-top: 80px;
        height: auto;
        min-height: 100vh;
    }

    .hero-btns {
        flex-direction: column;
        gap: 1rem;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

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

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

    .about-text h3 {
        font-size: 1.5rem;
    }

    .about-text p {
        font-size: 1rem;
    }

    .contact-form {
        padding: 1rem;
    }

    .form-control {
        font-size: 16px; /* Prevents zoom on iOS */
    }

    .social-links {
        gap: 1rem;
    }

    .social-link {
        width: 35px;
        height: 35px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }

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

    .skill-card h3 {
        font-size: 1.2rem;
    }

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

    .board-info h3 {
        font-size: 1.2rem;
    }

    .award-item h3 {
        font-size: 1.2rem;
    }
}

/* About Section */
        .about {
    padding: 5rem 0;
    background-color: var(--light-bg);
}