/* --- CSS VARIABLES (Deep Teal Branding) --- */

:root {
    --bg-color: #030303;
    --card-color: #0d0d0d;
    --accent-color: #004d4d;
    --accent-hover: #006666;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --border-color: #1a1a1a;
    --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --spacing: 1rem;
}

@media (min-width: 768px) {
     :root {
        --spacing: 2rem;
    }
}


/* --- RESET & BASE --- */

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    background-image: radial-gradient(circle at center, rgba(0, 77, 77, 0.08) 0%, rgba(255, 255, 255, 0.02) 20%, rgba(0, 0, 0, 0.2) 50%, rgba(0, 0, 0, 0.7) 85%, #030303 100%), url('https://www.transparenttextures.com/patterns/carbon-fibre.png');
    background-blend-mode: soft-light;
    background-attachment: fixed;
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
.logo {
    font-family: 'Oswald', sans-serif;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing);
}

.section {
    padding: 80px 0;
}


/* --- NAVIGATION --- */

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(3, 3, 3, 0.95);
    border-bottom: 1px solid var(--border-color);
    backdrop-filter: blur(15px);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem var(--spacing);
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    font-size: 1.4rem;
    text-decoration: none;
    color: white;
    display: flex;
    align-items: baseline;
    gap: 2px;
}

.logo span {
    color: var(--accent-color);
    font-size: 1.05em;
    font-weight: 700;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: bold;
    font-size: 0.8rem;
    text-transform: uppercase;
    transition: var(--transition);
}

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


/* --- HERO SECTION --- */

.hero {
    height: 80vh;
    /* Etwas reduziert für schnellere Sichtbarkeit der Work */
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    background-image: radial-gradient(circle at center, rgba(3, 3, 3, 0.2) 0%, rgba(3, 3, 3, 0.9) 85%, #030303 100%), url('https://www.transparenttextures.com/patterns/carbon-fibre.png'), url('images/header.jpg');
    background-size: auto, auto, cover;
    background-position: center;
    background-attachment: fixed;
    background-blend-mode: multiply;
}

@media (max-width: 1024px) {
    .hero {
        background-attachment: scroll;
    }
}

.hero h1 {
    font-size: clamp(2.2rem, 8vw, 6rem);
    animation: glitch-anim 0.2s ease-out 1.2s;
}

.hero h1::before {
    content: "HEAVY DESIGN. DEEP IMPACT.";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    visibility: hidden;
    color: var(--accent-color);
    z-index: -1;
    animation: glitch-anim-pseudo 0.4s ease-out 1.2s;
}


/* --- COMPACT PARTNER SECTION --- */

.partners-ribbon {
    padding: 20px 0;
    /* Massiv reduziert von 40px */
    background: rgba(10, 10, 10, 0.8);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.partner-title {
    text-align: center;
    font-size: 0.6rem;
    color: var(--text-secondary);
    margin-bottom: 10px;
    letter-spacing: 3px;
    opacity: 0.5;
}

.logo-grid {
    display: flex;
    justify-content: center;
    /* Zentriert für einen kompakten Look */
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
    /* Weniger Abstand */
}

.logo-grid img {
    height: 45px;
    /* Kleiner als vorher */
    width: auto;
    filter: grayscale(100%) brightness(1.5);
    opacity: 0.4;
    transition: var(--transition);
}

.logo-grid img:hover {
    filter: grayscale(0%) brightness(1);
    opacity: 1;
}

@media (max-width: 768px) {
    .partners-ribbon {
        padding: 15px 0;
    }
    .logo-grid {
        gap: 1rem;
    }
    .logo-grid img {
        height: 18px;
    }
    /* Sehr dezent auf Mobile */
}


/* --- FILTER CONTROLS --- */

.filter-controls {
    display: flex;
    gap: 1rem;
    margin: 3rem 0 2rem 0;
    overflow-x: auto;
    scrollbar-width: none;
    padding-bottom: 10px;
}

.filter-controls::-webkit-scrollbar {
    display: none;
}

@media (min-width: 1024px) {
    .filter-controls {
        justify-content: center;
        gap: 2.5rem;
    }
}

.filter-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-family: 'Oswald';
    text-transform: uppercase;
    cursor: pointer;
    font-size: 0.9rem;
    white-space: nowrap;
    border-bottom: 2px solid transparent;
    transition: var(--transition);
}

.filter-btn.active,
.filter-btn:hover {
    color: white;
    border-bottom-color: var(--accent-color);
}


/* --- PROJECT GRID --- */

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

@media (min-width: 1024px) {
    .gallery-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 1.5rem;
    }
}

.project-card {
    background: var(--card-color);
    border: 1px solid var(--border-color);
    cursor: default;
    overflow: hidden;
    transition: var(--transition);
}

.card-image {
    aspect-ratio: 4/5;
    overflow: hidden;
    background: #000;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.project-card:hover img {
    filter: contrast(1.1) saturate(1.1);
    transform: scale(1.05);
}

.card-info {
    padding: 1rem;
}

.card-info h3 {
    font-size: 1rem;
    color: white;
}

.card-info span {
    color: var(--accent-color);
    font-size: 0.65rem;
    font-weight: bold;
}


/* --- HAMBURGER MENU --- */

.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1100;
}

.hamburger .bar {
    width: 28px;
    height: 2px;
    background: white;
    transition: var(--transition);
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: var(--bg-color);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: 0.5s;
        gap: 2.5rem;
    }
    .nav-links.active {
        right: 0;
    }
    .nav-links a {
        font-size: 1.8rem;
    }
    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
        background: var(--accent-color);
    }
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
        background: var(--accent-color);
    }
}


/* --- ANIMATIONS --- */

@keyframes glitch-anim {
    0% {
        transform: translate(0);
    }
    20% {
        transform: translate(-3px, 3px);
    }
    100% {
        transform: translate(0);
    }
}

@keyframes glitch-anim-pseudo {
    0% {
        visibility: visible;
        transform: translate(0);
    }
    100% {
        visibility: hidden;
    }
}


/* --- CONTACT --- */

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 1rem;
    background: #080808;
    border: 1px solid var(--border-color);
    color: white;
    margin-bottom: 1rem;
}

.btn {
    padding: 1rem 2rem;
    background: var(--accent-color);
    color: white;
    border: none;
    font-family: 'Oswald';
    cursor: pointer;
    font-weight: bold;
    transition: var(--transition);
    text-transform: uppercase;
}

.btn:hover {
    background: var(--accent-hover);
    box-shadow: 0 0 15px rgba(0, 77, 77, 0.3);
}