/* Montageservice Metin Balci – Stylesheet */

/* === PALETTEN (CSS Custom Properties) === */
:root, [data-theme="light"] {
    --bg: #f5f5f0;
    --bg-alt: #ebebe5;
    --bg-card: #ffffff;
    --text: #1a1a1a;
    --text-muted: #555555;
    --accent: #c8a45a;
    --accent-hover: #b8933f;
    --border: #d4d4c8;
    --header-bg: rgba(245, 245, 240, 0.95);
    --shadow: rgba(0, 0, 0, 0.08);
    --overlay: rgba(0, 0, 0, 0.6);
    --hero-overlay: linear-gradient(135deg, rgba(0,0,0,0.5) 0%, rgba(0,0,0,0.2) 100%);
    --service-icon-bg: var(--accent);
    --cta-bg: var(--accent);
    --cta-text: #1a1a1a;
    --cta-hover: var(--accent-hover);
    --footer-bg: #1a1a1a;
    --footer-text: #f5f5f0;
}

[data-theme="dark"] {
    --bg: #121212;
    --bg-alt: #1e1e1e;
    --bg-card: #242424;
    --text: #e8e8e8;
    --text-muted: #999999;
    --accent: #c8a45a;
    --accent-hover: #d4b46a;
    --border: #333333;
    --header-bg: rgba(18, 18, 18, 0.95);
    --shadow: rgba(0, 0, 0, 0.3);
    --overlay: rgba(0, 0, 0, 0.8);
    --hero-overlay: linear-gradient(135deg, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0.3) 100%);
    --service-icon-bg: rgba(200, 164, 90, 0.2);
    --cta-bg: var(--accent);
    --cta-text: #1a1a1a;
    --cta-hover: var(--accent-hover);
    --footer-bg: #0a0a0a;
    --footer-text: #e8e8e8;
}

/* === RESET & BASE === */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    transition: background 0.3s, color 0.3s;
}

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

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.2s;
}

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

/* === HEADER === */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: var(--header-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    padding: 0 2rem;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: background 0.3s, border-color 0.3s;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.header-logo {
    height: 50px;
    width: auto;
}

/* Dark Mode: Logo in Weiß (SVG hat festes Dunkelblau #415286) */
[data-theme="dark"] .header-logo {
    filter: brightness(0) invert(1);
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.header-nav a {
    color: var(--text);
    font-weight: 500;
    font-size: 0.95rem;
    letter-spacing: 0.02em;
}

.header-nav a:hover {
    color: var(--accent);
}

/* Theme Toggle */
.theme-toggle {
    background: none;
    border: 2px solid var(--border);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: border-color 0.2s, background 0.2s;
    color: var(--text);
}

.theme-toggle:hover {
    border-color: var(--accent);
    background: var(--bg-alt);
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text);
    cursor: pointer;
    padding: 0.5rem;
}

/* === HERO === */
.hero {
    position: relative;
    height: 100svh;
    min-height: 600px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transition: opacity 2s ease-in-out;
    opacity: 0;
}

.hero-bg.active {
    opacity: 1;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: var(--hero-overlay);
}

.hero-content {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem;
    color: #fff;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
    text-shadow: 0 2px 20px rgba(0,0,0,0.4);
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    font-weight: 300;
    max-width: 600px;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--cta-bg);
    color: var(--cta-text);
    font-weight: 600;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-size: 1.1rem;
    transition: background 0.2s, transform 0.2s;
}

.hero-cta:hover {
    background: var(--cta-hover);
    color: var(--cta-text);
    transform: translateY(-2px);
}

/* === SECTIONS === */
.section {
    padding: 6rem 2rem;
}

.section-alt {
    background: var(--bg-alt);
}

.section-inner {
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
}

.section-desc {
    text-align: center;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 3rem;
    font-size: 1.05rem;
}

/* === SERVICES === */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem 1.5rem;
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px var(--shadow);
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: auto;
    margin-right: auto;
    border-radius: 50%;
    background: var(--service-icon-bg);
}

.service-title {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.service-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* === GALLERY === */
.gallery-container {
    max-width: 1200px;
    margin: 0 auto;
}

.gallery-category {
    margin-bottom: 3rem;
}

.gallery-category-title {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--accent);
    display: inline-block;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1rem;
}

.gallery-item {
    aspect-ratio: 4/3;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    position: relative;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-video {
    aspect-ratio: 4/3;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
}

.gallery-video video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* === ABOUT === */
.about-content {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 3rem;
    align-items: start;
    max-width: 900px;
    margin: 0 auto;
}

.about-portrait {
    width: 300px;
    aspect-ratio: 3/4;
    border-radius: 12px;
    overflow: hidden;
    background: var(--bg-alt);
    border: 2px dashed var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    text-align: center;
    padding: 1rem;
}

.about-text h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.about-text p {
    color: var(--text-muted);
    margin-bottom: 1rem;
    line-height: 1.8;
}

/* === CONTACT === */
.contact-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

.contact-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    transition: transform 0.2s, background 0.2s;
}

.contact-btn:hover {
    transform: translateY(-2px);
    color: var(--cta-text);
}

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

.contact-btn-primary:hover {
    background: var(--cta-hover);
}

.contact-btn-secondary {
    background: var(--bg-card);
    border: 2px solid var(--border);
    color: var(--text);
}

.contact-btn-secondary:hover {
    border-color: var(--accent);
}

/* === FORM === */
.contact-form {
    max-width: 500px;
    margin: 3rem auto 0;
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg);
    color: var(--text);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
}

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

.form-submit {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--cta-bg);
    color: var(--cta-text);
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
    font-family: inherit;
}

.form-submit:hover {
    background: var(--cta-hover);
}

/* === FOOTER === */
.site-footer {
    background: var(--footer-bg);
    color: var(--footer-text);
    padding: 3rem 2rem 2rem;
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--footer-text);
    opacity: 0.8;
    transition: opacity 0.2s;
}

.footer-links a:hover {
    opacity: 1;
    color: var(--accent);
}

.footer-copy {
    font-size: 0.85rem;
    opacity: 0.6;
}

/* === LIGHTBOX === */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: var(--overlay);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    cursor: zoom-out;
}

.lightbox.active {
    display: flex;
}

.lightbox img {
    max-width: 90vw;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 8px;
}

.lightbox-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(0,0,0,0.5);
    color: #fff;
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* === ANIMATIONS === */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

/* === RESPONSIVE === */
@media (max-width: 768px) {
    .site-header {
        padding: 0 1rem;
        height: 60px;
    }

    .header-nav {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        background: var(--header-bg);
        flex-direction: column;
        padding: 1.5rem;
        gap: 1.5rem;
        border-bottom: 1px solid var(--border);
    }

    .header-nav.open {
        display: flex;
    }

    .mobile-menu-btn {
        display: block;
    }

    .section {
        padding: 4rem 1.5rem;
    }

    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .about-portrait {
        width: 200px;
        margin: 0 auto;
    }

    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }

    .contact-form {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .services-grid {
        grid-template-columns: 1fr;
    }

    .hero-title {
        font-size: 2rem;
    }

    .contact-cta {
        flex-direction: column;
        align-items: center;
    }

    .contact-btn {
        width: 100%;
        justify-content: center;
    }
}

/* === IMPRESSUM & DATENSCHUTZ === */
.legal-content {
    max-width: 800px;
    margin: 0 auto;
}

.legal-content h2 {
    margin-top: 2rem;
    margin-bottom: 0.75rem;
    font-size: 1.3rem;
}

.legal-content p {
    color: var(--text-muted);
    margin-bottom: 1rem;
    line-height: 1.7;
}

.legal-content a {
    color: var(--accent);
}

/* === UTILITIES === */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}