@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --bg-main: #f8fafd;
    --bg-card: rgba(255, 255, 255, 0.8);
    --primary: #1a4f8b; /* Professional Blue */
    --accent: #2e8b57; /* ESG Green */
    --text-main: #2d3436;
    --text-muted: #636e72;
    --border: rgba(0, 0, 0, 0.05);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.04);
    --glass: rgba(255, 255, 255, 0.7);
    --radius: 16px;
}

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

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

/* Background Graphics */
.bg-graphics {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
    opacity: 0.5;
}

.circle {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
}

.c1 { width: 40vw; height: 40vw; background: rgba(26, 79, 139, 0.05); top: -10%; right: -10%; }
.c2 { width: 30vw; height: 30vw; background: rgba(46, 139, 87, 0.05); bottom: 10%; left: -5%; }

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation */
nav {
    padding: 1.5rem 0;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    position: sticky;
    top: 0;
    background: var(--glass);
    backdrop-filter: blur(10px);
    z-index: 100;
}

.lang-toggle {
    display: flex;
    gap: 0.5rem;
    background: white;
    padding: 4px;
    border-radius: 30px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.lang-btn {
    padding: 4px 12px;
    border: none;
    background: transparent;
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 20px;
    transition: all 0.3s ease;
}

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

/* Hero Section */
.hero {
    padding: 6rem 0;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.hero-content h2 {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--accent);
    margin-bottom: 2rem;
}

.hero-desc {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 600px;
}

.hero-image {
    position: relative;
}

.hero-image img {
    width: 100%;
    border-radius: var(--radius);
    box-shadow: 20px 20px 60px rgba(0,0,0,0.1);
    transition: transform 0.5s ease;
}

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

.hero-image::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border: 2px solid var(--accent);
    top: 20px;
    right: -20px;
    z-index: -1;
    border-radius: var(--radius);
    opacity: 0.2;
}

/* Section Common */
section {
    padding: 5rem 0;
}

.section-badge {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(46, 139, 87, 0.1);
    color: var(--accent);
    font-size: 0.8rem;
    font-weight: 700;
    border-radius: 4px;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 2rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 40px;
    height: 4px;
    background: var(--accent);
    border-radius: 2px;
}

/* Profile Card */
.profile-card {
    background: var(--bg-card);
    padding: 3rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    backdrop-filter: blur(10px);
}

.profile-card p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

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

.expertise-card {
    background: white;
    padding: 2rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}

.expertise-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
    border-color: var(--accent);
}

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

/* Experience */
.experience-item {
    margin-bottom: 3rem;
    padding-left: 2rem;
    border-left: 2px solid var(--border);
}

.experience-item h3 {
    font-size: 1.4rem;
    color: var(--primary);
}

.experience-role {
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 1rem;
}

.experience-bullets {
    list-style: none;
    margin-top: 1rem;
}

.experience-bullets li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-muted);
}

.experience-bullets li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent);
}

/* Footer & Contact */
footer {
    padding: 4rem 0;
    text-align: center;
    background: white;
    border-top: 1px solid var(--border);
}

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

.contact-links a {
    text-decoration: none;
    color: var(--primary);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.3s;
}

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

/* Responsive */
@media (max-width: 768px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 3rem 0;
    }
    .hero-content h1 { font-size: 2.5rem; }
    .hero-image { order: -1; max-width: 300px; margin: 0 auto; }
    .hero-desc { margin: 0 auto; }
}