:root {
    --bg-dark: #0b0d19;
    --bg-card: rgba(19, 23, 46, 0.8);
    --bg-light: rgba(255, 255, 255, 0.1);
    --primary: #9d9bff;
    --primary-strong: #7567ff;
    --accent: #f7c26b;
    --text-main: #f1f1f7;
    --text-muted: #b3b5c9;
    --gradient-hero: linear-gradient(135deg, rgba(16, 18, 36, 0.95), rgba(34, 24, 58, 0.7));
    --gradient-card: linear-gradient(135deg, rgba(38, 29, 75, 0.9), rgba(21, 28, 61, 0.9));
    --shadow-soft: 0 30px 60px rgba(0, 0, 0, 0.35);
    --radius-lg: 28px;
    --radius-md: 20px;
    --radius-sm: 12px;
    --transition: 0.35s ease;
    font-size: 16px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Zen Kaku Gothic New", "Hiragino Sans", "Yu Gothic", sans-serif;
    color: var(--text-main);
    background: radial-gradient(circle at 20% 20%, rgba(151, 132, 255, 0.18), transparent 45%),
        radial-gradient(circle at 80% 0%, rgba(255, 173, 104, 0.2), transparent 50%),
        radial-gradient(circle at 50% 80%, rgba(74, 103, 241, 0.25), transparent 50%),
        #06070e;
    line-height: 1.7;
    letter-spacing: 0.04em;
    min-height: 100vh;
}

img {
    max-width: 100%;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

h1, h2, h3 {
    font-family: "Playfair Display", "Times New Roman", serif;
    margin: 0 0 0.6em;
    line-height: 1.2;
    color: #ffffff;
}

p {
    margin: 0 0 1.2em;
}

.section {
    position: relative;
    padding: 100px 24px;
}

.section::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0));
    mask-image: radial-gradient(circle at 20% 0%, rgba(0, 0, 0, 0.55), transparent 55%);
    pointer-events: none;
}

.section-inner {
    max-width: 1080px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.section h2 {
    font-size: clamp(2rem, 3vw + 1rem, 3rem);
    text-align: center;
    margin-bottom: 0.8em;
}

.hero {
    position: relative;
    min-height: 100vh;
    padding: 32px clamp(24px, 6vw, 60px) 160px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background: var(--gradient-hero), url('https://images.unsplash.com/photo-1525201548942-d8732f6617a0?auto=format&fit=crop&w=1600&q=80') center/cover no-repeat;
    overflow: hidden;
    isolation: isolate;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top right, rgba(157, 155, 255, 0.45), transparent 45%),
        radial-gradient(circle at bottom left, rgba(247, 194, 107, 0.35), transparent 50%);
    z-index: 0;
}

.top-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    position: relative;
    z-index: 2;
}

.logo {
    font-family: "Playfair Display", serif;
    font-weight: 600;
    font-size: 1.6rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 24px;
    margin: 0;
    padding: 12px 24px;
    border-radius: 999px;
    background-color: rgba(6, 9, 22, 0.6);
    backdrop-filter: blur(8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
    transition: color var(--transition);
}

.nav-links a:hover,
.nav-links a:focus {
    color: #ffffff;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 6px;
}

.nav-toggle span {
    display: block;
    width: 26px;
    height: 2px;
    background-color: #ffffff;
    transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

.hero-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: clamp(32px, 6vw, 80px);
    align-items: end;
    margin-top: clamp(40px, 10vw, 140px);
}

.hero-text {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    padding: clamp(24px, 5vw, 48px);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    background: rgba(157, 155, 255, 0.18);
    color: var(--primary);
    padding: 6px 16px;
    border-radius: 999px;
}

.hero h1 {
    font-size: clamp(2.4rem, 4vw + 1rem, 4.2rem);
    margin-top: 0.6em;
}

.hero-lead {
    font-size: clamp(1.1rem, 2vw + 0.5rem, 1.6rem);
    color: rgba(241, 241, 247, 0.9);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 24px;
}

.cta,
.secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 26px;
    border-radius: 999px;
    font-weight: 600;
    letter-spacing: 0.08em;
    transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
}

.cta {
    background: linear-gradient(135deg, var(--primary-strong), #b197ff);
    color: #ffffff;
    box-shadow: 0 15px 35px rgba(118, 103, 255, 0.35);
}

.cta:hover,
.cta:focus {
    transform: translateY(-2px);
    box-shadow: 0 25px 50px rgba(118, 103, 255, 0.45);
}

.secondary {
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.secondary:hover,
.secondary:focus {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.14);
}

.hero-countdown {
    align-self: stretch;
    display: grid;
    place-items: center;
    background: rgba(6, 9, 22, 0.6);
    backdrop-filter: blur(12px);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.countdown-label {
    font-size: 0.85rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.countdown-display {
    font-size: clamp(2rem, 4vw + 1rem, 3.2rem);
    font-family: "Playfair Display", serif;
    font-weight: 600;
    margin: 16px 0;
    display: flex;
    align-items: baseline;
    gap: 12px;
    flex-wrap: wrap;
}

.countdown-display .count {
    background: rgba(255, 255, 255, 0.1);
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.countdown-display .label {
    font-size: 1rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.countdown-note {
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.85rem;
}

.highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    margin-top: 48px;
}

.highlight-card {
    background: var(--gradient-card);
    padding: 28px;
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: var(--shadow-soft);
    transition: transform var(--transition);
}

.highlight-card:hover,
.highlight-card:focus-within {
    transform: translateY(-4px);
}

.section.program {
    background: rgba(13, 16, 32, 0.65);
}

.section-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
}

.section-tag {
    display: inline-flex;
    padding: 6px 18px;
    border-radius: 999px;
    background: rgba(247, 194, 107, 0.2);
    color: var(--accent);
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.program-timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
    margin-top: 40px;
}

.timeline-card {
    background: rgba(10, 13, 27, 0.7);
    border-radius: var(--radius-md);
    padding: 24px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    position: relative;
    overflow: hidden;
}

.timeline-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(157, 155, 255, 0.15), rgba(247, 194, 107, 0.1));
    opacity: 0;
    transition: opacity var(--transition);
}

.timeline-card:hover::before {
    opacity: 1;
}

.timeline-card span,
.timeline-card h3,
.timeline-card p {
    position: relative;
    z-index: 1;
}

.timeline-date {
    font-size: 0.9rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.conductor {
    background: rgba(11, 12, 25, 0.7);
}

.conductor-profile {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    align-items: stretch;
}

.conductor-text {
    background: rgba(19, 23, 46, 0.72);
    padding: clamp(24px, 5vw, 48px);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
}

.conductor-text blockquote {
    margin: 32px 0 0;
    font-size: 1.1rem;
    color: rgba(247, 194, 107, 0.85);
    border-left: 3px solid rgba(247, 194, 107, 0.6);
    padding-left: 16px;
    font-family: "Playfair Display", serif;
}

.conductor-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: url('https://images.unsplash.com/photo-1519681393784-d120267933ba?auto=format&fit=crop&w=900&q=80') center/cover no-repeat;
    min-height: 320px;
    display: flex;
    align-items: flex-end;
    padding: 32px;
}

.card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(6, 7, 14, 0.1), rgba(6, 7, 14, 0.85));
}

.card-label,
.card-name {
    position: relative;
    z-index: 1;
    display: block;
    text-transform: uppercase;
    letter-spacing: 0.3em;
}

.card-label {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.7);
}

.card-name {
    margin-top: 12px;
    font-size: 1.6rem;
    font-family: "Playfair Display", serif;
}

.venue-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 36px;
    align-items: stretch;
}

.venue-info {
    background: rgba(10, 13, 27, 0.75);
    padding: clamp(24px, 5vw, 48px);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
}

.venue-info dl {
    margin: 0;
}

.venue-info dt {
    font-weight: 600;
    color: rgba(247, 194, 107, 0.9);
    letter-spacing: 0.1em;
}

.venue-info dd {
    margin: 4px 0 20px;
}

.venue-note {
    color: rgba(241, 241, 247, 0.7);
    margin-top: 8px;
}

.venue-actions {
    margin-top: 24px;
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.venue-map {
    background: rgba(255, 255, 255, 0.06);
    border-radius: 50%;
    aspect-ratio: 1 / 1;
    display: grid;
    place-items: center;
    position: relative;
    box-shadow: 0 40px 80px rgba(0, 0, 0, 0.35);
    overflow: hidden;
}

.map-circle {
    position: relative;
    width: 70%;
    height: 70%;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, rgba(157, 155, 255, 0.4), rgba(6, 7, 14, 0.95));
    display: grid;
    place-items: center;
}

.map-pin {
    width: 16px;
    height: 16px;
    background: var(--accent);
    border-radius: 50%;
    position: relative;
    z-index: 2;
}

.map-pin::after {
    content: "";
    position: absolute;
    inset: -20px;
    border: 2px solid rgba(247, 194, 107, 0.4);
    border-radius: 50%;
    animation: pulse 3s ease-in-out infinite;
}

.map-ring {
    position: absolute;
    width: 120%;
    height: 120%;
    border: 1px dashed rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    animation: rotate 14s linear infinite;
}

@keyframes pulse {
    0% {
        transform: scale(0.8);
        opacity: 0.8;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.2;
    }
    100% {
        transform: scale(0.8);
        opacity: 0.8;
    }
}

@keyframes rotate {
    to {
        transform: rotate(360deg);
    }
}

.contact {
    background: rgba(255, 255, 255, 0.04);
}

.contact-actions {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 32px;
}

.footer {
    padding: 40px 24px;
    text-align: center;
    background: rgba(6, 7, 14, 0.9);
    color: rgba(241, 241, 247, 0.65);
    font-size: 0.85rem;
    letter-spacing: 0.1em;
}

.break {
    display: none;
}

@media (max-width: 900px) {
    .nav-toggle {
        display: flex;
    }

    .nav-links {
        position: absolute;
        top: calc(100% + 16px);
        right: 0;
        flex-direction: column;
        background: rgba(6, 7, 14, 0.9);
        padding: 18px 24px;
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-soft);
        opacity: 0;
        transform: translateY(-10px);
        pointer-events: none;
        transition: opacity var(--transition), transform var(--transition);
    }

    .nav-links.open {
        opacity: 1;
        transform: translateY(0);
        pointer-events: auto;
    }

    .hero-content {
        margin-top: 80px;
    }

    .break {
        display: inline;
    }
}

@media (max-width: 640px) {
    :root {
        font-size: 15px;
    }

    .section {
        padding: 80px 20px;
    }

    .hero {
        padding: 24px 20px 120px;
    }

    .hero-text {
        padding: 24px;
    }

    .hero-countdown {
        padding: 24px;
    }

    .highlight-card,
    .timeline-card,
    .conductor-text,
    .venue-info {
        padding: 24px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

html {
    scroll-behavior: smooth;
}