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

:root {
    --primary-color: #1a1a1a;
    --accent-color: #ff6b35;
    --light-bg: #ffffff;
    --light-section: #fafbfc;
    --text-dark: #1a1a1a;
    --text-gray: #666666;
    --border-light: #e8e8e8;
}

body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--light-bg);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-light);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.nav-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: bold;
    letter-spacing: 3px;
    color: var(--text-dark);
}

.logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.logo-text {
    display: inline-block;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-links a {
    color: var(--text-gray);
    text-decoration: none;
    font-size: 16px;
    transition: color 0.3s ease;
    letter-spacing: 1px;
}

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

/* Navigation Right (links + language switcher) */
.nav-right {
    display: flex;
    align-items: center;
    gap: 30px;
}

/* Language Switcher */
.language-switcher {
    display: flex;
    align-items: center;
    gap: 8px;
}

.lang-btn {
    background: none;
    border: none;
    color: var(--text-gray);
    font-size: 14px;
    font-weight: 400;
    letter-spacing: 1px;
    cursor: pointer;
    transition: color 0.3s ease;
    padding: 0;
    font-family: inherit;
}

.lang-btn:hover {
    color: var(--primary-color);
}

.lang-btn.active {
    color: var(--primary-color);
    font-weight: 600;
}

.lang-separator {
    color: var(--text-gray);
    font-size: 14px;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--light-bg);
    position: relative;
    overflow: hidden;
}

.hero-content {
    text-align: center;
    z-index: 1;
    position: relative;
}

.hero h1 {
    font-size: 80px;
    font-weight: 300;
    letter-spacing: 15px;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.tagline {
    font-size: 22px;
    color: var(--text-gray);
    margin-bottom: 40px;
    letter-spacing: 2px;
    font-weight: 300;
    text-align: center;
}

.cta-button {
    display: inline-block;
    padding: 15px 40px;
    background-color: var(--primary-color);
    color: var(--light-bg);
    text-decoration: none;
    border-radius: 2px;
    font-size: 16px;
    font-weight: 400;
    transition: all 0.3s ease;
    letter-spacing: 2px;
    text-transform: uppercase;
    border: 2px solid var(--primary-color);
}

.cta-button:hover {
    background-color: transparent;
    color: var(--primary-color);
}

/* Portfolio Section */
.portfolio {
    padding: 100px 0;
    background-color: var(--light-section);
}

.portfolio h2 {
    text-align: center;
    font-size: 48px;
    font-weight: 300;
    margin-bottom: 10px;
    letter-spacing: 5px;
    color: var(--text-dark);
}

.section-subtitle {
    text-align: center;
    color: var(--text-gray);
    font-size: 18px;
    font-weight: 300;
    margin-bottom: 60px;
}

/* Project Cards */
.project {
    background-color: var(--light-bg);
    border-radius: 0;
    overflow: hidden;
    margin-bottom: 80px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-light);
}

.project:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.project-video {
    width: 100%;
    background-color: #000;
}

.project-video video {
    width: 100%;
    display: block;
}

.project-info {
    padding: 40px;
}

.project-info h3 {
    font-size: 32px;
    font-weight: 400;
    margin-bottom: 20px;
    color: var(--text-dark);
    letter-spacing: 1px;
}

.project-description {
    font-size: 18px;
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 30px;
    font-weight: 300;
    text-align: justify;
}

/* Project Stats */
.project-stats {
    display: flex;
    gap: 40px;
    margin-bottom: 30px;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-number {
    font-size: 36px;
    font-weight: 300;
    color: var(--primary-color);
}

.stat-label {
    font-size: 14px;
    color: var(--text-gray);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-top: 5px;
    font-weight: 400;
}

/* Tags */
.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 30px;
}

.tag {
    background-color: var(--light-section);
    color: var(--text-gray);
    padding: 8px 16px;
    border-radius: 2px;
    font-size: 14px;
    border: 1px solid var(--border-light);
    font-weight: 400;
}

/* YouTube Links */
.youtube-links {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.youtube-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background-color: transparent;
    color: var(--text-dark);
    text-decoration: none;
    border-radius: 2px;
    font-size: 16px;
    transition: all 0.3s ease;
    border: 1px solid var(--border-light);
}

.youtube-link:hover {
    background-color: var(--light-section);
    border-color: var(--primary-color);
}

.flag {
    font-size: 20px;
}

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

.about h2 {
    text-align: center;
    font-size: 48px;
    font-weight: 300;
    margin-bottom: 60px;
    letter-spacing: 5px;
    color: var(--text-dark);
}

.about-content {
    max-width: 600px;
    margin: 0 auto;
}

.about-text p {
    font-size: 18px;
    color: var(--text-gray);
    margin-bottom: 25px;
    line-height: 1.8;
    font-weight: 300;
    text-align: justify;
}

.about-text .intro {
    font-size: 20px;
    color: var(--text-dark);
    margin-bottom: 30px;
    font-weight: 400;
    text-align: justify;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background-color: var(--light-section);
}

.contact h2 {
    text-align: center;
    font-size: 48px;
    font-weight: 300;
    margin-bottom: 10px;
    letter-spacing: 5px;
    color: var(--text-dark);
}

.contact-info {
    text-align: center;
    margin-top: 40px;
}

.contact-email {
    display: inline-block;
    font-size: 28px;
    color: var(--light-bg);
    text-decoration: none;
    padding: 20px 50px;
    background-color: var(--primary-color);
    border-radius: 2px;
    transition: all 0.3s ease;
    letter-spacing: 1px;
    border: 2px solid var(--primary-color);
}

.contact-email:hover {
    background-color: transparent;
    color: var(--primary-color);
}

/* Social Links */
.social-links {
    text-align: center;
    margin-top: 30px;
}

.social-link {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 15px 30px;
    background-color: transparent;
    color: var(--text-dark);
    text-decoration: none;
    border-radius: 2px;
    font-size: 18px;
    transition: all 0.3s ease;
    border: 1px solid var(--border-light);
}

.social-link:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--light-bg);
}

.social-link svg {
    width: 24px;
    height: 24px;
}

/* Footer */
footer {
    background-color: var(--light-bg);
    padding: 40px 0;
    text-align: center;
    border-top: 1px solid var(--border-light);
}

footer p {
    color: var(--text-gray);
    font-size: 14px;
    letter-spacing: 1px;
    font-weight: 300;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 48px;
        letter-spacing: 5px;
    }

    .tagline {
        font-size: 16px;
    }

    .nav-container {
        padding: 15px 10px;
    }

    .nav-right {
        gap: 15px;
    }

    .nav-links {
        gap: 12px;
    }

    .nav-links a {
        font-size: 13px;
    }

    .lang-btn {
        font-size: 12px;
    }

    .portfolio h2,
    .about h2,
    .contact h2 {
        font-size: 36px;
    }

    .project-info {
        padding: 30px 20px;
    }

    .project-info h3 {
        font-size: 24px;
    }

    .project-description {
        font-size: 16px;
        text-align: left;
    }

    .about-text p,
    .about-text .intro {
        text-align: left;
    }

    .project-stats {
        flex-direction: column;
        gap: 20px;
    }

    .youtube-links {
        flex-direction: column;
    }

    .contact-email {
        font-size: 20px;
        padding: 15px 30px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 36px;
    }

    .logo {
        font-size: 16px;
        letter-spacing: 2px;
        gap: 8px;
    }

    .logo-img {
        height: 30px;
    }

    .logo-text {
        font-size: 14px;
    }

    .nav-container {
        padding: 15px 5px;
    }

    .nav-right {
        gap: 8px;
    }

    .nav-links {
        gap: 8px;
    }

    .nav-links a {
        font-size: 11px;
        letter-spacing: 0.5px;
    }

    .lang-btn {
        font-size: 10px;
    }

    .lang-separator {
        font-size: 10px;
    }

    .project-description {
        text-align: left;
    }

    .about-text p,
    .about-text .intro {
        text-align: left;
    }
}