/* ========== VARIABLES ========== */
:root {
    --color-bg: #1F5C4A;
    --color-bg-alt: #2A7561;
    --color-text: #ffffff;
    --color-text-secondary: #c4d9d2;
    --color-border: #356B5A;
    --color-accent: #3b82f6;

    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    --spacing: clamp(0.75rem, 2vw, 1rem);
    --spacing-md: clamp(1.5rem, 3vw, 2rem);
    --spacing-lg: clamp(2rem, 4vw, 3rem);
    --spacing-xl: clamp(2.5rem, 5vw, 4rem);

    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

a:hover {
    opacity: 0.6;
}

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

button {
    font-family: var(--font-primary);
}

/* ========== NAVBAR ========== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    background: rgba(31, 92, 74, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    animation: navFadeIn 0.6s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

@keyframes navFadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.nav-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.25rem var(--spacing);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.125rem;
    font-weight: 500;
    letter-spacing: -0.01em;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    font-size: 0.875rem;
    font-weight: 400;
}

.nav-links a {
    text-transform: lowercase;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-text);
    transition: var(--transition);
}

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

/* ========== HERO ========== */
.hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 3rem;
    padding: var(--spacing-lg);
    animation: fadeIn 0.8s ease;
    background: var(--color-bg);
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem;
}

.hero-logo {
    width: 100%;
    max-width: 450px;
    height: auto;
    margin: 0 auto 2rem;
    opacity: 0;
    animation: logoFadeIn 1s ease 0.3s forwards;
    transition: transform 0.3s ease-out;
}

.hero-subtitle {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.35em;
    color: var(--color-text-secondary);
    font-weight: 400;
    opacity: 0;
    animation: fadeInUp 0.8s ease 0.8s forwards;
}

.hero-photo {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.hero-photo img {
    width: 100%;
    max-width: 600px;
    height: auto;
    filter: grayscale(100%);
    box-shadow: 0 10px 50px rgba(0, 0, 0, 0.4);
    border-radius: 4px;
    opacity: 0;
    animation: fadeInRight 1s ease 0.5s forwards;
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes logoFadeIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========== MUSIC SECTION ========== */
.music-section {
    padding: var(--spacing-xl) var(--spacing);
    max-width: 800px;
    margin: 0 auto;
    background: var(--color-bg);
}

.music-container h2 {
    font-size: clamp(2rem, 5vw, 2.75rem);
    font-weight: 400;
    margin-bottom: 2rem;
    letter-spacing: -0.02em;
    line-height: 1.2;
    text-align: center;
}

.yandex-player {
    width: 100%;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.yandex-player iframe {
    width: 100%;
    height: 450px;
    border: none;
    display: block;
}

/* ========== VIDEOS ========== */
.videos-section {
    padding: var(--spacing-xl) var(--spacing);
    max-width: 1200px;
    margin: 0 auto;
    background: var(--color-bg);
}

.videos-section h2 {
    font-size: clamp(2rem, 5vw, 2.75rem);
    font-weight: 400;
    margin-bottom: 2rem;
    letter-spacing: -0.02em;
    line-height: 1.2;
    text-align: center;
}

.videos-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.video-item {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    transition: var(--transition);
}

.video-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}

.video-item iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* ========== MUSIC PLAYER ========== */
.music-player {
    padding: var(--spacing-lg) var(--spacing);
    max-width: 800px;
    margin: 0 auto;
    background: var(--color-bg-alt);
}

.player-content {
    width: 100%;
    transition: var(--transition);
}

.player-content iframe {
    max-width: 100%;
    border-radius: 12px;
}

/* ========== ABOUT ========== */
.about {
    padding: var(--spacing-lg) var(--spacing);
    max-width: 600px;
    margin: 0 auto;
    background: var(--color-bg);
}

.about-content h2 {
    font-size: clamp(2rem, 5vw, 2.75rem);
    font-weight: 400;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
    line-height: 1.2;
    transition: transform 0.3s ease-out;
}

.about-content p {
    font-size: 1rem;
    line-height: 1.65;
    color: var(--color-text-secondary);
    margin-bottom: 2.5rem;
    font-weight: 300;
}

.members {
    display: grid;
    gap: 0;
}

.member {
    padding: 1.15rem 0;
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    transition: var(--transition);
}

.member:last-child {
    border-bottom: 1px solid var(--color-border);
}

.member:hover {
    padding-left: 0.5rem;
    background: rgba(0, 0, 0, 0.01);
}

.member span {
    color: var(--color-text-secondary);
    font-weight: 300;
}

/* ========== MUSIC ========== */
.music {
    padding: var(--spacing-lg) var(--spacing);
    max-width: 600px;
    margin: 0 auto;
    background: var(--color-bg-alt);
}

.music-content h2 {
    font-size: clamp(2rem, 5vw, 2.75rem);
    font-weight: 400;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
    line-height: 1.2;
    transition: transform 0.3s ease-out;
}

.platforms {
    display: grid;
    gap: 0;
}

.platform-link {
    padding: 1.15rem 0;
    border-top: 1px solid var(--color-border);
    font-size: 0.9rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.platform-link:last-child {
    border-bottom: 1px solid var(--color-border);
}

.platform-link:hover {
    padding-left: 0.5rem;
    background: rgba(0, 0, 0, 0.01);
}

.platform-link::after {
    content: '→';
    opacity: 0;
    transform: translateX(-10px);
    transition: var(--transition);
}

.platform-link:hover::after {
    opacity: 1;
    transform: translateX(0);
}

/* ========== SHOWS ========== */
.shows {
    padding: var(--spacing-lg) var(--spacing);
    max-width: 600px;
    margin: 0 auto;
    background: var(--color-bg);
}

.shows-content h2 {
    font-size: clamp(2rem, 5vw, 2.75rem);
    font-weight: 400;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
    line-height: 1.2;
    transition: transform 0.3s ease-out;
}

.show-item {
    padding: 1.5rem 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.show-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.95rem;
}

.show-date {
    font-weight: 500;
}

.show-venue {
    color: var(--color-text-secondary);
}

/* ========== CONTENT GRID (ABOUT + BOOKING) ========== */
.content-grid {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: start;
    gap: 3rem;
    padding: var(--spacing-lg);
    background: var(--color-bg);
}

.about-block,
.booking-block {
    padding: 2rem;
}

.about-block h2,
.booking-block h2 {
    font-size: clamp(2rem, 5vw, 2.75rem);
    font-weight: 400;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.about-block p {
    font-size: 1rem;
    line-height: 1.65;
    color: var(--color-text-secondary);
    font-weight: 300;
}

/* ========== BOOKING ========== */
.booking {
    padding: var(--spacing-lg) var(--spacing);
    max-width: 600px;
    margin: 0 auto;
    background: var(--color-bg-alt);
}

.booking-content h2 {
    font-size: clamp(2rem, 5vw, 2.75rem);
    font-weight: 400;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
    line-height: 1.2;
    transition: transform 0.3s ease-out;
}

.booking-text {
    font-size: 1rem;
    color: var(--color-text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.65;
    font-weight: 300;
}

.booking-form {
    display: grid;
    gap: 0.75rem;
    margin-bottom: 2.5rem;
}

.booking-form input,
.booking-form textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid var(--color-border);
    background: var(--color-bg);
    font-family: var(--font-primary);
    font-size: 0.9rem;
    transition: var(--transition);
}

.booking-form input:focus,
.booking-form textarea:focus {
    outline: none;
    border-color: var(--color-text);
    background: rgba(0, 0, 0, 0.01);
}

.booking-form input::placeholder,
.booking-form textarea::placeholder {
    color: var(--color-text-secondary);
}

.booking-form button {
    padding: 0.875rem 2rem;
    background: var(--color-text);
    color: var(--color-bg);
    border: none;
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition);
    justify-self: start;
    font-weight: 500;
}

.booking-form button:hover {
    opacity: 0.85;
    transform: translateY(-1px);
}

.contacts {
    display: grid;
    gap: 0;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border);
}

.contacts a {
    font-size: 0.9rem;
    padding: 1.15rem 0;
    border-bottom: 1px solid var(--color-border);
    transition: var(--transition);
}

.contacts a:hover {
    padding-left: 0.5rem;
    background: rgba(0, 0, 0, 0.01);
}

/* ========== FOOTER ========== */
.footer {
    padding: var(--spacing-lg) var(--spacing);
    border-top: 1px solid var(--color-border);
    background: var(--color-bg);
}

.footer-content {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.social {
    display: flex;
    gap: 1.5rem;
    font-size: 0.875rem;
}

.social a {
    transition: var(--transition);
}

.social a:hover {
    opacity: 0.6;
}

.copyright {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    font-weight: 300;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
    .nav-links {
        gap: 1.25rem;
        font-size: 0.85rem;
    }

    .hero {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 6rem var(--spacing) var(--spacing);
        min-height: auto;
    }

    .hero-content {
        padding: 1rem;
    }

    .hero-logo {
        max-width: 250px;
        margin-bottom: 1rem;
    }

    .hero-subtitle {
        font-size: 0.75rem;
    }

    .hero-photo {
        padding: 0;
    }

    .hero-photo img {
        max-width: 100%;
        width: 100%;
    }

    .show-info {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .booking-form button {
        width: 100%;
    }

    .content-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 6rem var(--spacing) var(--spacing);
        min-height: auto;
    }

    .about-block,
    .booking-block {
        padding: 1rem;
    }

    .videos-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .video-item {
        aspect-ratio: 16 / 9;
    }
}

/* ========== SCROLL ANIMATIONS ========== */
section {
    transition: transform 0.3s ease-out, opacity 0.3s ease-out;
}

@media (prefers-reduced-motion: no-preference) {
    section {
        animation: fadeIn 0.6s ease;
    }

    @keyframes fadeIn {
        from {
            opacity: 0;
            transform: translateY(20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
}