/* ========================================
   MusikFest Barnim - Stylesheet
   Dark blue elegant classical theme
   ======================================== */

:root {
    --color-bg-deep: #0a0e1a;
    --color-bg-primary: #0f1628;
    --color-bg-secondary: #141c33;
    --color-bg-card: #1a2340;
    --color-accent: #6e8cc8;
    --color-accent-light: #8faad8;
    --color-accent-gold: #c4a35a;
    --color-text-primary: #e8ecf4;
    --color-text-secondary: #a0aec0;
    --color-text-muted: #6b7a94;
    --color-border: rgba(110, 140, 200, 0.15);
    --color-border-light: rgba(110, 140, 200, 0.08);

    --font-heading: 'Cormorant Garamond', 'Georgia', serif;
    --font-body: 'Montserrat', 'Helvetica Neue', sans-serif;

    --transition-smooth: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Reset */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--color-bg-deep);
    color: var(--color-text-primary);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--color-accent-light);
    text-decoration: none;
    transition: color var(--transition-smooth);
}

a:hover {
    color: var(--color-accent-gold);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ========================================
   Navigation
   ======================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: background-color var(--transition-smooth), padding var(--transition-smooth),
                backdrop-filter var(--transition-smooth);
}

.navbar.scrolled {
    background-color: rgba(10, 14, 26, 0.92);
    backdrop-filter: blur(20px);
    padding: 0.8rem 0;
    border-bottom: 1px solid var(--color-border-light);
}

.nav-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text-primary);
    letter-spacing: 0.05em;
}

.nav-logo:hover {
    color: var(--color-accent-gold);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-link {
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 400;
    color: var(--color-text-secondary);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-accent-gold);
    transition: width var(--transition-smooth);
}

.nav-link:hover {
    color: var(--color-text-primary);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    width: 24px;
    height: 1.5px;
    background-color: var(--color-text-primary);
    transition: var(--transition-smooth);
}

/* ========================================
   Hero Section
   ======================================== */

.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    background: radial-gradient(ellipse at 30% 20%, #1a2a50 0%, var(--color-bg-deep) 60%),
                radial-gradient(ellipse at 70% 80%, #12203d 0%, transparent 50%);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, transparent 0%, rgba(10, 14, 26, 0.3) 100%),
        url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><radialGradient id="g" cx="50%" cy="50%"><stop offset="0%" stop-color="%236e8cc8" stop-opacity="0.03"/><stop offset="100%" stop-color="transparent"/></radialGradient></defs><circle cx="50" cy="50" r="40" fill="url(%23g)"/></svg>');
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    padding: 0 2rem;
}

.hero-pre-title {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.35em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 1.5rem;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(3.5rem, 10vw, 7rem);
    font-weight: 300;
    line-height: 1.05;
    color: var(--color-text-primary);
    letter-spacing: 0.02em;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-family: var(--font-heading);
    font-size: clamp(1rem, 2.5vw, 1.3rem);
    font-weight: 300;
    font-style: italic;
    color: var(--color-text-secondary);
    margin-bottom: 3rem;
}

.hero-cta {
    display: inline-block;
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-accent-gold);
    border: 1px solid var(--color-accent-gold);
    padding: 1rem 2.5rem;
    transition: all var(--transition-smooth);
}

.hero-cta:hover {
    background-color: var(--color-accent-gold);
    color: var(--color-bg-deep);
}

/* Scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.scroll-arrow {
    width: 20px;
    height: 20px;
    border-right: 1px solid var(--color-text-muted);
    border-bottom: 1px solid var(--color-text-muted);
    transform: rotate(45deg);
    animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: rotate(45deg) translateY(0); opacity: 0.6; }
    50% { transform: rotate(45deg) translateY(8px); opacity: 1; }
}

/* ========================================
   Sections (shared)
   ======================================== */

.section {
    padding: 8rem 0;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 300;
    color: var(--color-text-primary);
    margin-bottom: 3rem;
    letter-spacing: 0.02em;
}

.section-description {
    font-size: 0.95rem;
    font-weight: 300;
    color: var(--color-text-secondary);
    line-height: 1.9;
    margin-bottom: 1.5rem;
    max-width: 560px;
}

/* ========================================
   About Section
   ======================================== */

.about {
    background-color: var(--color-bg-primary);
}

.section-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: start;
}

.person-card {
    text-align: center;
    padding: 3rem 2rem;
    border: 1px solid var(--color-border);
    background: var(--color-bg-secondary);
}

.person-image-placeholder {
    width: 270px;
    height: 180px;
    border-radius: 4px;
    background: linear-gradient(135deg, var(--color-accent), #4a6a9e);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 300;
    color: var(--color-text-primary);
    overflow: hidden;
    line-height: 0;
}

.person-image-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    display: block;
    min-height: 100%;
}

.person-name {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--color-text-primary);
    margin-bottom: 0.3rem;
}

.person-role {
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 1.2rem;
}

.person-bio {
    font-size: 0.9rem;
    font-weight: 300;
    color: var(--color-text-secondary);
    line-height: 1.8;
}

/* Organizer */
.organizer {
    text-align: center;
    margin-top: 5rem;
    padding-top: 4rem;
}

.organizer-divider {
    width: 60px;
    height: 1px;
    background-color: var(--color-border);
    margin: 0 auto 2rem;
}

.organizer-label {
    font-size: 0.7rem;
    font-weight: 400;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: 0.8rem;
}

.organizer-logo {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--color-text-primary);
    letter-spacing: 0.03em;
    margin-bottom: 1rem;
}

.organizer-description {
    font-size: 0.9rem;
    font-weight: 300;
    color: var(--color-text-secondary);
    max-width: 480px;
    margin: 0 auto;
}

/* ========================================
   Next Concert Section
   ======================================== */

.next-concert {
    background-color: var(--color-bg-deep);
    text-align: center;
}

.concert-image-placeholder {
    width: 270px;
    height: 180px;
    border-radius: 4px;
    background: linear-gradient(135deg, var(--color-accent), #4a6a9e);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 300;
    color: var(--color-text-primary);
    overflow: hidden;
    line-height: 0;
}

.concert-image-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    display: block;
    min-height: 100%;
}

.concert-card {
    display: flex;
    border: 1px solid var(--color-border);
    background: var(--color-bg-secondary);
    overflow: hidden;
    text-align: left;
    max-width: 800px;
    margin: 0 auto;
}

.concert-date-block {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 2.5rem;
    background: linear-gradient(135deg, #1a2a50 0%, #0f1a35 100%);
    min-width: 160px;
    border-right: 1px solid var(--color-border);
}

.concert-month {
    font-family: var(--font-body);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--color-accent);
}

.concert-day {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 300;
    color: var(--color-text-primary);
    line-height: 1.2;
    margin: 0.3rem 0;
}

.concert-year {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 300;
    color: var(--color-text-muted);
    letter-spacing: 0.15em;
}

.concert-details {
    padding: 2.5rem 3rem;
    flex: 1;
}

.concert-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--color-text-primary);
    margin-bottom: 1.5rem;
}

.concert-info {
    display: flex;
    gap: 1rem;
    margin-bottom: 0.7rem;
    font-size: 0.9rem;
}

.concert-info-label {
    font-weight: 500;
    color: var(--color-accent);
    min-width: 90px;
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding-top: 2px;
}

.concert-info-value {
    color: var(--color-text-secondary);
    font-weight: 300;
}

.concert-note {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border-light);
    font-size: 1.0rem;
    font-weight: 300;
    color: var(--color-text-primary);
}

/* ========================================
   Spenden Section
   ======================================== */

.spenden {
    background-color: var(--color-bg-deep);
    text-align: center;
}

/* ========================================
   Impressum Section
   ======================================== */

.impressum {
    background-color: var(--color-bg-deep);
    text-align: center;
}

/* ========================================
   Datenschutz Section
   ======================================== */

.datenschutz {
    background-color: var(--color-bg-deep);
    text-align: center;
}

/* ========================================
   Contact Section
   ======================================== */

.contact {
    background-color: var(--color-bg-primary);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 5rem;
    align-items: start;
}

.contact-item {
    margin-bottom: 2.5rem;
}

.contact-item-title {
    font-family: var(--font-body);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 0.6rem;
}

.contact-link {
    font-size: 1rem;
    font-weight: 300;
    color: var(--color-text-primary);
}

.contact-link:hover {
    color: var(--color-accent-gold);
}

.contact-address {
    font-style: normal;
    font-size: 0.95rem;
    font-weight: 300;
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.social-links {
    display: flex;
    gap: 1.5rem;
}

.social-link {
    font-size: 0.85rem;
    font-weight: 400;
    color: var(--color-text-secondary);
    letter-spacing: 0.05em;
    position: relative;
}

.social-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-accent-gold);
    transition: width var(--transition-smooth);
}

.social-link:hover {
    color: var(--color-text-primary);
}

.social-link:hover::after {
    width: 100%;
}

/* Contact Form */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: 0.5rem;
}

.form-input {
    width: 100%;
    padding: 0.9rem 1rem;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 300;
    color: var(--color-text-primary);
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    outline: none;
    transition: border-color var(--transition-smooth);
}

.form-input:focus {
    border-color: var(--color-accent);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-button {
    display: inline-block;
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-accent-gold);
    background: transparent;
    border: 1px solid var(--color-accent-gold);
    padding: 1rem 2.5rem;
    cursor: pointer;
    transition: all var(--transition-smooth);
}

.form-button:hover {
    background-color: var(--color-accent-gold);
    color: var(--color-bg-deep);
}

/* ========================================
   Footer
   ======================================== */

.footer {
    padding: 3rem 0;
    background-color: var(--color-bg-deep);
    border-top: 1px solid var(--color-border-light);
}

.footer-content {
    text-align: center;
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-text-primary);
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.footer-text {
    font-size: 0.75rem;
    font-weight: 300;
    color: var(--color-text-muted);
    letter-spacing: 0.05em;
}

/* ========================================
   Fade-in Animation
   ======================================== */

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

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

/* Hero fade-in starts visible */
.hero .fade-in {
    animation: heroFadeIn 1.2s ease-out 0.3s forwards;
}

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

/* ========================================
   Responsive
   ======================================== */

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        flex-direction: column;
        background-color: var(--color-bg-primary);
        padding: 6rem 2.5rem 2rem;
        gap: 2rem;
        transition: right var(--transition-smooth);
        border-left: 1px solid var(--color-border-light);
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-link {
        font-size: 0.9rem;
    }

    .section {
        padding: 5rem 0;
    }

    .section-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .concert-card {
        flex-direction: column;
    }

    .concert-date-block {
        min-width: unset;
        flex-direction: row;
        gap: 0.8rem;
        padding: 1.5rem 2rem;
        border-right: none;
        border-bottom: 1px solid var(--color-border);
    }

    .concert-details {
        padding: 2rem;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .hero-title {
        font-size: clamp(2.8rem, 12vw, 4.5rem);
    }
}