/* Reset und Grundlegendes */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --secondary-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --dark: #1f2937;
    --gray: #6b7280;
    --light-gray: #f3f4f6;
    --white: #ffffff;
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background-color: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

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

.nav-link {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    transition: var(--transition);
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
}

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

/* Sections */
.section {
    padding: 4rem 0;
    min-height: 50vh;
}

.section.bg-light {
    background-color: var(--light-gray);
}

.section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--dark);
    text-align: center;
}

.section-intro {
    text-align: center;
    font-size: 1.2rem;
    color: var(--gray);
    max-width: 800px;
    margin: 0 auto 3rem;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white);
    text-align: center;
    padding: 6rem 0;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 3rem;
    opacity: 0.95;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.stat-box {
    background-color: rgba(255,255,255,0.1);
    padding: 2rem;
    border-radius: var(--border-radius);
    backdrop-filter: blur(10px);
}

.stat-number {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

.btn-large {
    padding: 1.25rem 3rem;
    font-size: 1.2rem;
}

/* Content Grid */
.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

/* Danger Cards */
.danger-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: var(--transition);
    text-align: center;
}

.danger-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.15);
}

.danger-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.danger-card h3 {
    color: var(--danger-color);
    margin-bottom: 1rem;
}

/* Email Mock */
.example-container {
    margin-bottom: 3rem;
}

.example-container h3 {
    text-align: left;
    margin-bottom: 1rem;
    color: var(--dark);
}

.email-mock {
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    overflow: hidden;
}

.email-header {
    background-color: var(--light-gray);
    padding: 1.5rem;
    border-bottom: 2px solid #e5e7eb;
}

.email-body {
    padding: 2rem;
    background-color: var(--white);
}

.warning-badge {
    display: inline-block;
    background-color: var(--danger-color);
    color: var(--white);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.9rem;
    margin-left: 1rem;
}

.phishing-link {
    color: var(--primary-color);
    text-decoration: underline;
    cursor: not-allowed;
}

.warning-signs {
    background-color: #fef2f2;
    padding: 1.5rem;
    border-top: 3px solid var(--danger-color);
}

.warning-signs ul {
    margin-left: 1.5rem;
    margin-top: 0.5rem;
}

.warning-signs li {
    margin: 0.5rem 0;
}

/* Recognition Grid */
.recognition-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.recognition-item {
    background-color: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.recognition-number {
    display: inline-block;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    text-align: center;
    line-height: 50px;
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.recognition-item h3 {
    margin-bottom: 1rem;
    color: var(--dark);
}

.recognition-item ul {
    margin-left: 1.5rem;
}

.recognition-item li {
    margin: 0.75rem 0;
    color: var(--gray);
}

/* Info Boxes */
.info-box {
    background-color: #dbeafe;
    border-left: 4px solid var(--primary-color);
    padding: 1.5rem;
    margin: 3rem 0;
    border-radius: var(--border-radius);
}

.warning-box {
    background-color: #fef2f2;
    border-left: 4px solid var(--danger-color);
    padding: 1.5rem;
    margin: 3rem 0;
    border-radius: var(--border-radius);
}

.info-box strong,
.warning-box strong {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

/* Outlook Steps */
.steps-container {
    margin: 3rem 0;
}

.step {
    background-color: var(--white);
    padding: 2rem;
    margin-bottom: 2rem;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.step-number {
    display: inline-block;
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    font-weight: bold;
    margin-bottom: 1rem;
}

.step h3 {
    margin: 1rem 0;
    color: var(--dark);
}

.image-placeholder {
    margin-top: 1.5rem;
    border: 2px dashed var(--gray);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.image-placeholder img {
    width: 100%;
    height: auto;
    display: block;
}

.placeholder-box {
    padding: 3rem;
    text-align: center;
    background-color: var(--light-gray);
}

.placeholder-box span {
    font-size: 4rem;
    display: block;
    margin-bottom: 1rem;
}

.code-box {
    background-color: #1f2937;
    color: #10b981;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    margin-top: 1.5rem;
    overflow-x: auto;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
}

.code-box code {
    display: block;
    line-height: 1.8;
}

/* AI Guide */
.ai-guide {
    margin: 3rem 0;
}

.ai-step {
    background-color: var(--white);
    padding: 2rem;
    margin-bottom: 2rem;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.ai-step h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.ai-step ul {
    margin-left: 1.5rem;
    margin-top: 1rem;
}

.ai-step li {
    margin: 0.75rem 0;
}

.prompt-box {
    background-color: var(--light-gray);
    border-radius: var(--border-radius);
    overflow: hidden;
    margin: 1.5rem 0;
}

.prompt-header {
    background-color: var(--dark);
    color: var(--white);
    padding: 1rem 1.5rem;
    font-weight: bold;
}

.prompt-content {
    padding: 1.5rem;
    font-family: 'Courier New', monospace;
    white-space: pre-wrap;
    line-height: 1.8;
}

.result-examples {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 1.5rem;
}

.result-box {
    padding: 1.5rem;
    border-radius: var(--border-radius);
    border-left: 4px solid;
}

.result-safe {
    background-color: #f0fdf4;
    border-left-color: var(--secondary-color);
}

.result-suspicious {
    background-color: #fef2f2;
    border-left-color: var(--danger-color);
}

.result-box strong {
    display: block;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.result-box ul {
    margin-left: 1.5rem;
}

.result-box li {
    margin: 0.5rem 0;
}

/* Quiz */
#quiz-container {
    max-width: 900px;
    margin: 0 auto;
}

.question-block {
    background-color: var(--white);
    padding: 2rem;
    margin-bottom: 2rem;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.question-block h3 {
    color: var(--dark);
    margin-bottom: 1.5rem;
    text-align: left;
}

.options {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.option {
    display: flex;
    align-items: center;
    padding: 1rem;
    border: 2px solid #e5e7eb;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
}

.option:hover {
    border-color: var(--primary-color);
    background-color: #f0f9ff;
}

.option input[type="radio"] {
    margin-right: 1rem;
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.option span {
    flex: 1;
}

.option.correct {
    border-color: var(--secondary-color);
    background-color: #f0fdf4;
}

.option.incorrect {
    border-color: var(--danger-color);
    background-color: #fef2f2;
}

#quiz-result {
    margin-top: 3rem;
}

.result-card {
    background-color: var(--white);
    padding: 3rem;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    text-align: center;
}

.result-icon {
    font-size: 5rem;
    margin-bottom: 1rem;
}

.result-card h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.result-score {
    font-size: 3rem;
    font-weight: bold;
    margin: 2rem 0;
    color: var(--primary-color);
}

.result-message {
    font-size: 1.2rem;
    margin: 1.5rem 0;
    color: var(--gray);
}

.certificate-section {
    background-color: var(--light-gray);
    padding: 2rem;
    margin-top: 2rem;
    border-radius: var(--border-radius);
}

/* Footer */
.footer {
    background-color: var(--dark);
    color: var(--white);
    text-align: center;
    padding: 3rem 0;
    margin-top: 4rem;
}

.footer p {
    margin: 0.5rem 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        flex-direction: column;
        gap: 0.5rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .section h2 {
        font-size: 2rem;
    }

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

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mt-2 {
    margin-top: 2rem;
}

.mb-2 {
    margin-bottom: 2rem;
}