:root {
    --bg-color: #0d0d0d;
    --surface-color: #1a1a1a;
    --surface-light: #262626;
    --primary-color: #ff6b00;
    --primary-hover: #e66000;
    --text-main: #ffffff;
    --text-muted: #a3a3a3;
    --border-color: #333333;
    --font-family: 'Inter', sans-serif;
    --transition: all 0.3s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

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

.container { max-width: 900px; margin: 0 auto; padding: 0 20px; }

h1, h2, h3 { font-weight: 800; line-height: 1.2; }

h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #ffffff 0%, #a3a3a3 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

h2 { font-size: 2.5rem; margin-bottom: 2rem; text-align: center; }

p { font-size: 1.1rem; color: var(--text-muted); margin-bottom: 1.5rem; }

/* Buttons */
.cta-button, .secondary-button {
    display: inline-block;
    padding: 14px 32px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 8px;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.cta-button {
    background-color: var(--primary-color);
    color: #fff;
    box-shadow: 0 4px 14px rgba(255, 107, 0, 0.3);
}

.cta-button:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 0, 0.4);
}

.secondary-button {
    background-color: transparent;
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.secondary-button:hover {
    background-color: var(--surface-light);
    border-color: var(--text-muted);
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    background: rgba(13, 13, 13, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    transition: var(--transition);
}

.navbar.scrolled { border-bottom-color: var(--border-color); }

.logo { font-size: 1.5rem; font-weight: 800; color: var(--primary-color); }

.nav-links { display: flex; list-style: none; gap: 2rem; align-items: center; }

.nav-links a {
    color: var(--text-main);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

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

.nav-cta {
    background-color: var(--primary-color) !important;
    color: #fff !important;
    padding: 8px 20px;
    border-radius: 6px;
}

.nav-cta:hover { background-color: var(--primary-hover) !important; }

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 100px 20px 60px;
    position: relative;
    background: radial-gradient(ellipse at 50% 30%, rgba(255, 107, 0, 0.06) 0%, transparent 60%),
                radial-gradient(circle at center, #1a1a1a 0%, #0d0d0d 100%);
}

.avatar-container { margin-bottom: 2rem; }

.avatar-photo {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--border-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

/* Social Links */
.social-links {
    display: flex;
    gap: 1.25rem;
    justify-content: center;
    margin-top: 2rem;
}

.social-links a {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 1.1rem;
    text-decoration: none;
    transition: var(--transition);
}

.social-links a:hover {
    color: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.tagline {
    max-width: 700px;
    font-size: 1.25rem;
    margin: 0 auto 2.5rem;
    color: var(--text-muted);
}

/* Sections */
section { padding: 100px 0; }

/* About */
.about-section { background-color: var(--surface-color); text-align: center; }
.about-section p { max-width: 700px; margin: 0 auto 2rem; }

.external-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

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

/* Accordion */
.accordion { display: flex; flex-direction: column; gap: 1rem; max-width: 800px; margin: 0 auto; }

.accordion-item {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition);
}

.accordion-item:hover { border-color: #444; }

.accordion-item.active { border-color: var(--primary-color); }

.accordion-header {
    width: 100%;
    padding: 20px 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    background: none;
    border: none;
    color: var(--text-main);
    font-size: 1.15rem;
    font-weight: 600;
    font-family: var(--font-family);
    cursor: pointer;
    text-align: left;
}

.accordion-header .icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
    background: linear-gradient(135deg, rgba(255, 107, 0, 0.15), rgba(255, 107, 0, 0.05));
    border-radius: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.2rem;
    color: var(--primary-color);
}

.header-text { flex: 1; }

.toggle-icon { transition: transform 0.3s ease; color: var(--text-muted); font-size: 0.9rem; }

.accordion-item.active .toggle-icon { transform: rotate(180deg); color: var(--primary-color); }

.accordion-content { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }

.accordion-item.active .accordion-content { max-height: 400px; }

.content-inner { padding: 0 24px 24px 84px; }

.content-inner p { font-size: 1rem; margin-bottom: 0.8rem; }
.content-inner p:last-child { margin-bottom: 0; }
.content-inner strong { color: var(--primary-color); }

/* Events */
.events-section { background-color: var(--surface-color); text-align: center; }
.events-section p { max-width: 600px; margin: 0 auto 2rem; }

/* Contact */
.contact-section { text-align: center; }
.contact-section p { max-width: 600px; margin: 0 auto 2rem; }

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

.footer-links { display: flex; justify-content: center; gap: 2rem; margin-bottom: 1rem; flex-wrap: wrap; }

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

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

.copyright { font-size: 0.85rem; color: #555; margin-bottom: 0; }

/* Fade-in animation */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    .navbar { padding: 16px 20px; }
    .nav-links { gap: 1rem; }
    .nav-links a { font-size: 0.9rem; }
    .hero { padding: 80px 20px 40px; }
    .tagline { font-size: 1.1rem; }
    section { padding: 60px 0; }
    .content-inner { padding: 0 20px 20px 20px; }
    .accordion-header { font-size: 1rem; padding: 16px; gap: 12px; }
    .accordion-header .icon { width: 36px; height: 36px; min-width: 36px; font-size: 1rem; }
}

@media (max-width: 480px) {
    h1 { font-size: 2rem; }
    .nav-links { gap: 0.75rem; }
    .nav-cta { display: none; }
}