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

:root {
    --bg: #000000;
    --bg-secondary: #000000;
    --card: rgba(0, 0, 0, 0.08);
    --text: #ffffff;
    --muted: #b7c1d1;
    --accent: #d8b36a;
    --border: rgba(255,255,255,0.12);
    --shadow: rgba(0,0,0,0.35);
}

html {
    scroll-behavior: smooth;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Inter', 'Noto Sans JP', sans-serif;
    overflow-x: hidden;
}

/* Background Glow */
.background-glow {
    position: fixed;
    inset: 0;
    z-index: -1;
    background:
        radial-gradient(circle at 20% 20%,
            rgba(0, 0, 0, 0.12),
            transparent 25%),
        radial-gradient(circle at 80% 80%,
            rgba(0, 0, 0, 0.15),
            transparent 30%);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 999;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 22px 7%;
    backdrop-filter: blur(16px);
    background: rgba(10,16,28,0.45);
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.logo {
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 3px;
}

.lang-btn {
    border: none;
    cursor: pointer;
    border-radius: 999px;
    padding: 12px 18px;
    color: white;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
    transition: .3s ease;
}

.lang-btn:hover {
    background: rgba(255,255,255,0.16);
    transform: translateY(-2px);
}

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    gap: 80px;
    padding: 140px 8% 80px;
}

/* Navigation */
.nav {
    display: flex;
    align-items: center;
    gap: 16px;
}

.nav-links {
    display: flex;
    gap: 22px;
    list-style: none;
    margin: 0;
    padding: 0;
}

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

.hamburger {
    display: none;
    background: rgba(255,255,255,0.06);
    color: var(--text);
    border: 1px solid rgba(255,255,255,0.08);
    padding: 10px 12px;
    border-radius: 10px;
    cursor: pointer;
}

.mobile-menu {
    position: fixed;
    top: 72px;
    right: 16px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 12px 14px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 1000;
    min-width: 180px;
}

.mobile-menu a {
    color: var(--text);
    text-decoration: none;
    padding: 8px 6px;
}

.mobile-menu {
    /* animated show/hide */
    transition: opacity 220ms ease, transform 220ms ease, visibility 220ms;
    opacity: 1;
    transform: translateY(0);
    visibility: visible;
}

.mobile-menu.hidden {
    opacity: 0;
    transform: translateY(-10px);
    visibility: hidden;
    pointer-events: none;
}

/* Hamburger animation */
.hamburger {
    transition: transform 220ms ease, background 180ms ease;
}

.hamburger.open {
    transform: rotate(90deg) scale(0.98);
    background: rgba(255,255,255,0.10);
}

/* Desktop nav underline animation */
.nav-links a {
    position: relative;
    display: inline-block;
}

.nav-links a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -6px;
    height: 3px;
    width: 0;
    border-radius: 999px;
    background: var(--accent);
    transition: width 240ms ease;
}

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

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

.hero-image img {
    width: 100%;
    max-width: 480px;
    height: 650px;
    object-fit: cover;
    border-radius: 36px;
    box-shadow:
        0 25px 60px rgba(0,0,0,0.45);
    border: 1px solid rgba(255,255,255,0.08);
}

.hero-content {
    flex: 1;
}

.subtitle {
    color: var(--accent);
    font-size: 1rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.hero h1 {
    font-size: clamp(3rem, 7vw, 5.5rem);
    font-weight: 700;
    line-height: 1;
    margin-bottom: 24px;
}

.hero-description {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--muted);
    max-width: 540px;
}

/* Section */
.section {
    padding: 100px 8%;
}

.section-header {
    margin-bottom: 40px;
}

.section-header h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: "";
    position: absolute;
    bottom: -12px;
    left: 0;
    width: 70px;
    height: 4px;
    border-radius: 999px;
    background: var(--accent);
}

/* Glass Card */
.glass-card {
    background: var(--card);
    backdrop-filter: blur(20px);
    border-radius: 28px;
    border: 1px solid var(--border);
    padding: 36px;
    box-shadow:
        0 15px 45px var(--shadow);
}

/* Biography */
.biography {
    max-width: 1000px;
}

.biography p {
    line-height: 2;
    color: var(--muted);
    margin-bottom: 18px;
    font-size: 1.05rem;
}

.hidden {
    display: none;
}

/* Timeline */
.timeline {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.timeline-item {
    transition: .35s ease;
}

.timeline-item:hover {
    transform: translateY(-8px);
}

.timeline-item span {
    color: var(--accent);
    font-size: .9rem;
    letter-spacing: 2px;
}

.timeline-item h3 {
    margin-top: 12px;
    font-size: 1.4rem;
    line-height: 1.5;
}

/* Orchestra */
.orchestra-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.orchestra-grid .glass-card {
    transition: .35s ease;
}

.orchestra-grid .glass-card:hover {
    transform: translateY(-8px);
}

/* Upcoming concerts */
.concert-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 16px;
}

.concert-card h3 {
    font-size: 1.15rem;
    margin-bottom: 8px;
}

.concert-date,
.concert-venue {
    color: var(--muted);
    font-size: 0.95rem;
    margin-bottom: 6px;
}

/* Make concert list horizontally scrollable on smaller screens */
@media (max-width: 1000px) {
    .concert-grid {
        display: flex;
        gap: 18px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 8px;
        margin-top: 12px;
    }

    .concert-grid::-webkit-scrollbar {
        height: 8px;
    }

    .concert-grid::-webkit-scrollbar-thumb {
        background: rgba(255,255,255,0.06);
        border-radius: 999px;
    }

    .concert-card {
        min-width: 220px;
        flex: 0 0 auto;
    }
}

.orchestra-grid h3 {
    font-size: 1.1rem;
    line-height: 1.6;
}

/* Larger headings for glass cards */
.glass-card h3 {
    font-size: 1.4rem;
    line-height: 1.45;
}

/* Footer */
.footer {
    text-align: center;
    padding: 60px 20px;
    color: var(--muted);
}

.footer .social {
    display: flex;
    gap: 14px;
    justify-content: center;
    align-items: center;
    margin-bottom: 14px;
}

.social-link{
    display: inline-flex;
    gap: 8px;
    align-items: center;
    color: var(--text);
    text-decoration: none;
    background: rgba(255,255,255,0.03);
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid rgba(255,255,255,0.04);
    transition: transform 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.social-link svg { color: var(--text); fill: currentColor; width:24px; height:24px; }

.social-link:hover{
    transform: translateY(-4px);
    background: rgba(255,255,255,0.06);
    box-shadow: 0 8px 20px rgba(0,0,0,0.45);
}

.social-text{ display:none; }

/* Concert card link styles */
.concert-link {
    display: block;
    color: inherit;
    text-decoration: none;
    transition: transform 220ms ease, box-shadow 220ms ease;
}

.concert-link:hover {
    transform: translateY(-6px);
}

.concert-actions {
    margin-top: 12px;
}

.venue-link {
    color: #2b6df6; /* blue */
    font-weight: 600;
    text-decoration: none;
    font-size: 0.97rem;
}

.concert-link .venue-link::after {
    content: "";
}

/* Scroll Animation */
.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition:
        opacity 0.8s ease,
        transform 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Tablet */
@media (max-width: 1100px) {

    .hero {
        gap: 40px;
    }

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

    .orchestra-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile */
@media (max-width: 768px) {

    .header {
        padding: 18px 5%;
    }

    .nav-links {
        display: none;
    }

    .hamburger {
        display: inline-block;
    }

    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 130px;
        gap: 40px;
    }

    .hero-image img {
        height: 450px;
        max-width: 100%;
    }

    .hero-description {
        margin: auto;
    }

    .section {
        padding: 80px 6%;
    }

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

    .glass-card {
        padding: 26px;
    }

    .logo {
        font-size: 0.9rem;
        letter-spacing: 2px;
    }

    .lang-btn {
        padding: 10px 14px;
        font-size: 0.9rem;
    }
}