:root {
    --primary-color: #3b82f6;
    --primary-dark: #2563eb;
    --text-color: #f8fafc;
    --text-light: #cbd5e1;
    --bg-color: #0f172a;
    --bg-light: #1e293b;
    --bg-lighter: #334155;
    --border-color: #334155;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --transition: all 0.3s ease;
}

[data-theme="light"] {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --text-color: #1f2937;
    --text-light: #6b7280;
    --bg-color: #ffffff;
    --bg-light: #f9fafb;
    --bg-lighter: #e5e7eb;
    --border-color: #e5e7eb;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

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

html {
    scroll-behavior: smooth;
}

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

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

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 15px 0;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

[data-theme="light"] header {
    background-color: rgba(255, 255, 255, 0.95);
}

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

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo p {
    font-size: 0.875rem;
    color: var(--text-light);
}

.nav-links {
    display: flex;
    gap: 30px;
}

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

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

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

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

.theme-toggle {
    background: var(--bg-light);
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.theme-toggle:hover {
    background: var(--bg-lighter);
    transform: scale(1.1);
}

/* Hero Section */
.hero {
    padding: 150px 0 100px;
    background-color: var(--bg-light);
    transition: var(--transition);
}

.hero-content {
    display: flex;
    align-items: center;
    gap: 50px;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.hero-image img {
    width: 100%;
    max-width: 400px;
    border-radius: 20px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.hero-image img:hover {
    transform: translateY(-10px);
}

.hero-text {
    flex: 1;
}

.hero-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    line-height: 1.2;
}

.hero-text p {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-bottom: 30px;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn:hover {
    background-color: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(37, 99, 235, 0.3);
}

/* Values Section */
.values {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 50px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.value-card {
    background-color: var(--bg-light);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
}

.value-card:hover {
    transform: translateY(-10px);
    background-color: var(--bg-lighter);
}

.value-icon {
    width: 60px;
    height: 60px;
    background-color: var(--bg-lighter);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--primary-color);
    font-size: 1.5rem;
    transition: var(--transition);
}

.value-card:hover .value-icon {
    background-color: var(--primary-color);
    color: white;
}

.value-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.value-card p {
    color: var(--text-light);
}

/* Qualities Section */
.qualities {
    padding: 100px 0;
    background-color: var(--bg-light);
    transition: var(--transition);
}

.qualities-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
}

.quality-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 150px;
    text-align: center;
}

.quality-icon {
    width: 80px;
    height: 80px;
    background-color: var(--bg-lighter);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.quality-item:hover .quality-icon {
    transform: scale(1.1);
    background-color: var(--primary-color);
    color: white;
}

.quality-item h3 {
    font-size: 1rem;
    font-weight: 600;
}

/* Skills Section */
.skills {
    padding: 100px 0;
}

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

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

.skill-category:hover {
    transform: translateY(-5px);
}

.skill-category h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 20px;
    text-align: center;
}

.skill-item {
    margin-bottom: 20px;
}

.skill-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
}

.skill-name {
    font-weight: 500;
}

.skill-percentage {
    color: var(--text-light);
    font-size: 0.875rem;
}

.skill-bar {
    height: 8px;
    background-color: var(--bg-lighter);
    border-radius: 4px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background-color: var(--primary-color);
    border-radius: 4px;
    width: 0;
    transition: width 1.5s ease;
}

/* Philosophy Section */
.philosophy {
    padding: 100px 0;
    background-color: var(--bg-light);
    text-align: center;
    transition: var(--transition);
}

.quote {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.5rem;
    font-weight: 300;
    font-style: italic;
    line-height: 1.6;
    color: var(--text-color);
    position: relative;
}

.quote::before, .quote::after {
    content: '"';
    font-size: 4rem;
    color: var(--primary-color);
    opacity: 0.3;
    position: absolute;
}

.quote::before {
    top: -20px;
    left: -40px;
}

.quote::after {
    bottom: -40px;
    right: -40px;
}

.author {
    margin-top: 30px;
    font-weight: 500;
    color: var(--text-light);
}

/* Contact Section */
.contact {
    padding: 100px 0;
    text-align: center;
}

.contact p {
    max-width: 600px;
    margin: 0 auto 30px;
    color: var(--text-light);
}

/* Footer */
footer {
    background-color: var(--bg-light);
    color: var(--text-color);
    padding: 40px 0;
    text-align: center;
    transition: var(--transition);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.social-links {
    display: flex;
    gap: 20px;
}

.social-links a {
    color: var(--text-color);
    text-decoration: none;
    transition: var(--transition);
}

.social-links a:hover {
    color: var(--primary-color);
}

.copyright {
    color: var(--text-light);
    font-size: 0.875rem;
}

/* Responsive Styles */
@media (max-width: 992px) {
    .hero-content {
        flex-direction: column;
        text-align: center;
    }

    .hero-text h2 {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

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

    .quote {
        font-size: 1.25rem;
    }

    .quote::before, .quote::after {
        font-size: 3rem;
    }

    .quote::before {
        left: -20px;
    }

    .quote::after {
        right: -20px;
    }
}

@media (max-width: 576px) {
    .hero {
        padding: 120px 0 80px;
    }

    .hero-text h2 {
        font-size: 1.75rem;
    }

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

    .qualities-container {
        gap: 20px;
    }

    .quality-item {
        width: 120px;
    }

    .quality-icon {
        width: 60px;
        height: 60px;
    }
}