/* ===================================
   LERNLUST - Neobrutalism Style
   Bold, Brutal, Unapologetic
   =================================== */

/* CSS Variables - Neobrutalism Theme */
:root {
    /* Core Colors - High Contrast */
    --color-bg: #ffffff;
    --color-surface: #fef6e4;
    --color-black: #000000;
    --color-text: #000000;

    /* Accent Colors - Bold & Flat */
    --color-primary: #e67e22;
    --color-secondary: #f72585;
    --color-tertiary: #4cc9f0;
    --color-accent: #7209b7;

    /* Border & Shadow */
    --border-thick: 4px solid var(--color-black);
    --border-medium: 3px solid var(--color-black);
    --border-thin: 2px solid var(--color-black);
    --shadow-brutal: 8px 8px 0 var(--color-black);
    --shadow-medium: 6px 6px 0 var(--color-black);
    --shadow-small: 4px 4px 0 var(--color-black);

    /* Typography */
    --font-sans: -apple-system, BlinkMacSystemFont, "Arial Black", "Arial", sans-serif;
    --font-mono: "Courier New", Courier, monospace;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 6rem;

    /* No transitions in pure brutalism, but we'll keep subtle ones */
    --transition: all 0.15s ease;
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 18px;
    line-height: 1.5;
    color: var(--color-text);
    background-color: var(--color-bg);
    overflow-x: hidden;
}

/* Typography - Bold & Chunky */
h1, h2, h3, h4, h5, h6 {
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--space-sm);
    text-transform: uppercase;
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(2.5rem, 8vw, 5rem);
}

h2 {
    font-size: clamp(1.75rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
}

p {
    margin-bottom: var(--space-sm);
    font-weight: 500;
}

a {
    color: var(--color-primary);
    text-decoration: underline;
    text-decoration-thickness: 3px;
    transition: var(--transition);
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* Navigation */
.nav {
    background: var(--color-surface);
    border-bottom: var(--border-thick);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.nav-logo {
    font-size: 1.5rem;
    font-weight: 900;
    text-transform: uppercase;
    color: var(--color-black);
    letter-spacing: -0.02em;
    text-decoration: none;
    transition: var(--transition);
}

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

.logo-icon {
    display: none;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-md);
    align-items: center;
}

.nav-link {
    color: var(--color-black);
    font-size: 1rem;
    font-weight: 700;
    text-decoration: none;
    text-transform: uppercase;
    padding: var(--space-xs) var(--space-sm);
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    background: var(--color-primary);
    color: var(--color-black);
}

.nav-cta {
    background: var(--color-primary);
    border: var(--border-medium);
    padding: var(--space-xs) var(--space-sm);
    box-shadow: var(--shadow-small);
}

.nav-cta:hover {
    background: var(--color-secondary);
    transform: translate(2px, 2px);
    box-shadow: 6px 6px 0 var(--color-black);
}

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

.nav-toggle span {
    width: 30px;
    height: 4px;
    background: var(--color-black);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    background: var(--color-surface);
    border-bottom: var(--border-thick);
}

.hero-background {
    display: none;
}

.hero .container {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--space-xl);
    align-items: center;
    padding: var(--space-xl) var(--space-md);
}

.hero-content {
    animation: none;
}

.hero-title {
    margin-bottom: var(--space-md);
    line-height: 0.9;
}

.title-line {
    display: block;
}

.highlight {
    color: var(--color-primary);
    background: var(--color-black);
    padding: 0 0.2em;
    display: inline-block;
    transform: rotate(-1deg);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--space-lg);
    font-weight: 600;
    max-width: 600px;
}

.hero-cta {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

/* Hero Illustration */
.hero-illustration {
    position: relative;
    height: 450px;
}

.floating-card {
    position: absolute;
    background: var(--color-bg);
    border: var(--border-thick);
    padding: var(--space-md);
    font-weight: 900;
    text-transform: uppercase;
    box-shadow: var(--shadow-brutal);
    transition: var(--transition);
}

.floating-card:hover {
    transform: translate(4px, 4px);
    box-shadow: 4px 4px 0 var(--color-black);
}

.card-icon {
    display: none;
}

.card-text {
    font-size: 1.25rem;
    font-weight: 900;
}

.card-1 {
    top: 10%;
    left: 5%;
    background: var(--color-tertiary);
    transform: rotate(-3deg);
}

.card-2 {
    top: 40%;
    right: 10%;
    background: var(--color-secondary);
    transform: rotate(2deg);
}

.card-3 {
    bottom: 20%;
    left: 25%;
    background: var(--color-primary);
    transform: rotate(-2deg);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 900;
    text-transform: uppercase;
    text-decoration: none;
    border: var(--border-thick);
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-medium);
}

.btn:hover {
    transform: translate(3px, 3px);
    box-shadow: 3px 3px 0 var(--color-black);
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-black);
}

.btn-secondary {
    background: var(--color-bg);
    color: var(--color-black);
}

.btn-outline {
    background: var(--color-bg);
    color: var(--color-black);
}

/* Sections */
section {
    padding: var(--space-xl) 0;
    border-bottom: var(--border-thick);
}

section:last-of-type {
    border-bottom: none;
}

.section-title {
    margin-bottom: var(--space-md);
}

.section-title.centered {
    text-align: center;
}

.section-subtitle {
    font-size: 1.25rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: var(--space-lg);
}

.section-intro {
    text-align: center;
    font-weight: 600;
    margin-bottom: var(--space-lg);
}

/* Pain Point Section */
.pain-point {
    background: var(--color-black);
    color: var(--color-surface);
    text-align: center;
    padding: var(--space-lg) 0;
}

.pain-point h2 {
    color: var(--color-surface);
    margin-bottom: var(--space-xs);
}

.pain-point p {
    color: var(--color-surface);
}

/* USP Section */
.usp {
    background: var(--color-surface);
}

.usp-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-lg);
}

.usp-card {
    background: var(--color-bg);
    border: var(--border-thick);
    padding: var(--space-lg);
    box-shadow: var(--shadow-brutal);
    transition: var(--transition);
}

.usp-card:hover {
    transform: translate(4px, 4px);
    box-shadow: 4px 4px 0 var(--color-black);
}

.usp-card:nth-child(1) {
    background: var(--color-tertiary);
}

.usp-card:nth-child(2) {
    background: var(--color-primary);
}

.usp-card:nth-child(3) {
    background: var(--color-secondary);
}

.usp-icon {
    display: none;
}

.usp-card h3 {
    margin-bottom: var(--space-sm);
}

/* Angebot Section */
.angebot {
    background: var(--color-bg);
}

.service-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-lg);
}

.service-card {
    background: var(--color-bg);
    border: var(--border-thick);
    box-shadow: var(--shadow-brutal);
    transition: var(--transition);
    position: relative;
}

.service-card:hover {
    transform: translate(4px, 4px);
    box-shadow: 4px 4px 0 var(--color-black);
}

.service-card.featured {
    background: var(--color-surface);
}

.service-badge {
    position: absolute;
    top: var(--space-sm);
    right: var(--space-sm);
    background: var(--color-accent);
    color: var(--color-bg);
    padding: 0.5rem 1rem;
    border: var(--border-thin);
    font-size: 0.75rem;
    font-weight: 900;
    text-transform: uppercase;
    transform: rotate(3deg);
}

.service-header {
    padding: var(--space-lg);
    border-bottom: var(--border-thick);
    background: var(--color-surface);
}

.service-header h3 {
    font-size: clamp(1.1rem, 2vw, 1.5rem);
    line-height: 1.2;
    word-wrap: break-word;
}

.service-emoji {
    display: none;
}

.service-tag {
    display: inline-block;
    background: var(--color-black);
    color: var(--color-bg);
    padding: 0.5rem 1rem;
    border: var(--border-thin);
    font-size: 0.85rem;
    font-weight: 900;
    text-transform: uppercase;
    margin-top: var(--space-xs);
}

.service-body {
    padding: var(--space-lg);
}

.service-features {
    list-style: none;
    margin: var(--space-md) 0;
}

.service-features li {
    padding: var(--space-xs) 0;
    padding-left: 2rem;
    position: relative;
    font-weight: 600;
}

.service-features li::before {
    content: '▸';
    position: absolute;
    left: 0;
    font-weight: 900;
    font-size: 1.5rem;
}

.project-showcase {
    background: var(--color-tertiary);
    padding: var(--space-md);
    border: var(--border-medium);
    margin: var(--space-md) 0;
    font-weight: 600;
}

.project-showcase h4 {
    margin-bottom: var(--space-xs);
}

/* Methode Section */
.methode {
    background: var(--color-surface);
}

.method-steps {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-md);
    margin: var(--space-xl) 0;
    flex-wrap: wrap;
}

.method-step {
    background: var(--color-bg);
    border: var(--border-thick);
    padding: var(--space-lg);
    box-shadow: var(--shadow-brutal);
    text-align: center;
    flex: 1;
    min-width: 220px;
    max-width: 320px;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
}

.method-step h3 {
    text-align: center;
    width: 100%;
    margin-bottom: var(--space-sm);
}

.method-step p {
    text-align: center;
    width: 100%;
    margin: 0;
}

.method-step:hover {
    transform: translate(4px, 4px);
    box-shadow: 4px 4px 0 var(--color-black);
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--color-primary);
    color: var(--color-black);
    border: var(--border-thick);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 900;
    margin: 0 auto var(--space-sm);
    box-shadow: var(--shadow-small);
}

.method-arrow {
    font-size: 2rem;
    font-weight: 900;
}

.method-philosophy {
    margin-top: var(--space-xl);
    text-align: center;
}

.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-lg);
}

.philosophy-card {
    background: var(--color-bg);
    border: var(--border-thick);
    padding: var(--space-lg);
    box-shadow: var(--shadow-brutal);
    text-align: left;
}

.philosophy-card:nth-child(1) {
    background: var(--color-tertiary);
}

.philosophy-card:nth-child(2) {
    background: var(--color-primary);
}

.philosophy-card:nth-child(3) {
    background: var(--color-secondary);
}

.philosophy-card h4 {
    margin-bottom: var(--space-sm);
}

/* About Section */
.about {
    background: var(--color-bg);
}

.about-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--space-xl);
    align-items: center;
}

.about-intro {
    font-size: 1.5rem;
    font-weight: 900;
    text-transform: uppercase;
}

.about-highlights {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 700;
    padding: var(--space-xs);
    background: var(--color-surface);
    border: var(--border-thin);
}

.highlight-icon {
    display: none;
}

.about-image {
    display: flex;
    justify-content: center;
}

.image-placeholder {
    width: 320px;
    height: 320px;
    background: var(--color-surface);
    border: var(--border-thick);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    text-transform: uppercase;
    box-shadow: var(--shadow-brutal);
}

/* Lern-Labor Teaser */
.labor-teaser {
    background: var(--color-accent);
    color: var(--color-bg);
    text-align: center;
    padding: var(--space-xl) 0;
}

.labor-teaser h2 {
    color: var(--color-bg);
}

.labor-teaser p {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-bg);
    margin-bottom: var(--space-md);
}

.labor-icon {
    display: none;
}

/* Blog Section */
.blog {
    background: var(--color-surface);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-lg);
}

.blog-card {
    background: var(--color-bg);
    border: var(--border-thick);
    padding: var(--space-lg);
    box-shadow: var(--shadow-brutal);
    transition: var(--transition);
}

.blog-card:hover {
    transform: translate(4px, 4px);
    box-shadow: 4px 4px 0 var(--color-black);
}

.blog-icon {
    display: none;
}

.blog-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
}

.blog-link {
    display: inline-block;
    margin-top: var(--space-sm);
    font-weight: 900;
    text-transform: uppercase;
    text-decoration: underline;
    text-decoration-thickness: 3px;
}

/* Contact Section */
.contact {
    background: var(--color-bg);
}

.contact-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--space-xl);
    max-width: 1000px;
    margin: var(--space-lg) auto 0;
}

.contact-form {
    background: var(--color-surface);
    border: var(--border-thick);
    padding: var(--space-lg);
    box-shadow: var(--shadow-brutal);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-sm);
}

.form-group {
    margin-bottom: var(--space-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--space-xs);
    font-weight: 900;
    text-transform: uppercase;
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    background: var(--color-bg);
    border: var(--border-medium);
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 600;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    box-shadow: var(--shadow-small);
}

.contact-info {
    background: var(--color-surface);
    border: var(--border-thick);
    padding: var(--space-lg);
    box-shadow: var(--shadow-brutal);
}

.contact-info h3 {
    margin-bottom: var(--space-md);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
    font-weight: 700;
    border-bottom: var(--border-thin);
}

.contact-item:last-child {
    border-bottom: none;
}

.contact-icon {
    display: none;
}

/* Footer */
.footer {
    background: var(--color-black);
    color: var(--color-bg);
    padding: var(--space-lg) 0;
    border-top: var(--border-thick);
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    align-items: center;
    text-align: center;
}

.footer-brand {
    font-size: 1.5rem;
    font-weight: 900;
    text-transform: uppercase;
}

.footer-links {
    display: flex;
    gap: var(--space-md);
}

.footer-links a {
    color: var(--color-bg);
    font-weight: 700;
    text-transform: uppercase;
}

.footer-links a:hover {
    color: var(--color-primary);
}

.footer-copyright {
    font-size: 0.85rem;
    font-weight: 600;
}

/* Responsive Design */
@media (max-width: 968px) {
    .hero .container {
        grid-template-columns: 1fr;
    }

    .hero-illustration {
        height: 350px;
    }

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

    .contact-content {
        grid-template-columns: 1fr;
    }

    .method-arrow {
        transform: rotate(90deg);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 72px;
        left: -100%;
        width: 100%;
        flex-direction: column;
        background: var(--color-surface);
        border-bottom: var(--border-thick);
        padding: var(--space-md);
        transition: left 0.3s ease;
        gap: var(--space-sm);
        align-items: flex-start;
    }

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

    .nav-toggle {
        display: flex;
    }

    .service-cards,
    .usp-grid,
    .blog-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }
}

/* No smooth animations in pure brutalism */
@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }
}