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

/* Password Protection */
.password-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
}

.password-modal {
    background: white;
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    text-align: center;
    max-width: 400px;
    width: 90%;
    animation: slideIn 0.5s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.password-header {
    margin-bottom: 2rem;
}

.password-header i {
    font-size: 3rem;
    color: #667eea;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.password-header h2 {
    font-size: 1.8rem;
    color: #333;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.password-header p {
    color: #666;
    font-size: 1rem;
    line-height: 1.5;
}

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

.password-form input {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 1rem;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
    text-align: center;
    letter-spacing: 2px;
}

.password-form input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.password-btn {
    width: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.password-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.password-btn:active {
    transform: translateY(0);
}

.password-error {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: #e74c3c;
    font-size: 0.9rem;
    padding: 0.8rem;
    background: #fdf2f2;
    border-radius: 8px;
    border: 1px solid #f5c6cb;
    animation: shake 0.5s ease-in-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

.password-error i {
    color: #e74c3c;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

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

/* Header Styles */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 2rem 0;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
}

.header-content {
    max-width: 800px;
    margin: 0 auto;
}

.logo {
    font-size: 3rem;
    font-weight: 700;
    color: #667eea;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.logo i {
    color: #764ba2;
}

.subtitle {
    font-size: 1.2rem;
    color: #666;
    font-weight: 300;
}

/* Navigation Styles */
.nav {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 50px;
    padding: 1rem 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.nav-list {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.nav-link {
    text-decoration: none;
    color: #666;
    font-weight: 500;
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.nav-link:hover,
.nav-link.active {
    color: white;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

/* Main Content */
.main-content {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
}

.section {
    display: none;
    animation: fadeIn 0.5s ease-in-out;
}

.section.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Overview Section */
.overview-content {
    text-align: center;
    max-width: 1200px;
    margin: 0 auto;
}

.overview-content h2 {
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.overview-text {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 3rem;
    line-height: 1.8;
}

/* Mission & Vision */
.mission-vision {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.mission-card, .vision-card {
    background: linear-gradient(135deg, #f8f9ff 0%, #e8f4fd 100%);
    padding: 2rem;
    border-radius: 15px;
    text-align: left;
    border-left: 4px solid #667eea;
    transition: all 0.3s ease;
}

.mission-card:hover, .vision-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.mission-icon, .vision-icon {
    text-align: center;
    margin-bottom: 1rem;
}

.mission-icon i, .vision-icon i {
    font-size: 3rem;
    color: #667eea;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.mission-card h3, .vision-card h3 {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 1rem;
    text-align: center;
}

.mission-card p, .vision-card p {
    color: #666;
    line-height: 1.6;
    margin: 0;
}

/* Target Market */
.target-market {
    margin: 3rem 0;
    text-align: left;
}

.target-market h3 {
    font-size: 2rem;
    color: #333;
    margin-bottom: 2rem;
    text-align: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.market-segments {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.segment-card {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.segment-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.segment-card i {
    font-size: 2.5rem;
    color: #667eea;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.segment-card h4 {
    font-size: 1.2rem;
    color: #333;
    margin-bottom: 0.5rem;
}

.segment-card p {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 0;
}

/* Key Features */
.key-features {
    margin: 3rem 0;
    text-align: left;
}

.key-features h3 {
    font-size: 2rem;
    color: #333;
    margin-bottom: 2rem;
    text-align: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.feature-item {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.feature-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.feature-item i {
    font-size: 2.5rem;
    color: #667eea;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.feature-item h4 {
    font-size: 1.2rem;
    color: #333;
    margin-bottom: 0.8rem;
}

.feature-item p {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 0;
}

/* Value Proposition */
.value-proposition {
    margin: 3rem 0;
    text-align: left;
}

.value-proposition h3 {
    font-size: 2rem;
    color: #333;
    margin-bottom: 2rem;
    text-align: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.value-points {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.value-point {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.value-point:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.value-point i {
    font-size: 2.5rem;
    color: #667eea;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    flex-shrink: 0;
}

.value-content h4 {
    font-size: 1.3rem;
    color: #333;
    margin-bottom: 0.5rem;
}

.value-content p {
    color: #666;
    line-height: 1.6;
    margin: 0;
}

/* Business Model */
.business-model {
    margin: 3rem 0;
    text-align: left;
}

.business-model h3 {
    font-size: 2rem;
    color: #333;
    margin-bottom: 2rem;
    text-align: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.model-explanation {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.model-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.model-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.model-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

.model-icon {
    text-align: center;
    margin-bottom: 1.5rem;
}

.model-icon i {
    font-size: 3rem;
    color: #667eea;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.model-card h4 {
    font-size: 1.3rem;
    color: #333;
    margin-bottom: 1rem;
    font-weight: 600;
}

.model-card p {
    color: #666;
    line-height: 1.6;
    margin: 0;
    font-size: 0.95rem;
}

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

.stat-card {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.stat-card i {
    font-size: 3rem;
    color: #667eea;
    margin-bottom: 1rem;
}

.stat-card h3 {
    font-size: 1.3rem;
    color: #333;
    margin-bottom: 0.5rem;
}

.stat-card p {
    color: #666;
    font-size: 0.9rem;
}

/* Documents Section */
.documents-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.document-card {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.document-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.document-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

.card-icon {
    text-align: center;
    margin-bottom: 1.5rem;
}

.card-icon i {
    font-size: 3rem;
    color: #e74c3c;
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.document-card h3 {
    font-size: 1.4rem;
    color: #333;
    margin-bottom: 1rem;
    text-align: center;
}

.document-card p {
    color: #666;
    margin-bottom: 1.5rem;
    text-align: center;
    line-height: 1.6;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
}

.file-size {
    color: #999;
    font-size: 0.9rem;
}

.view-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.view-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

/* Development Plan Section */
.development-content {
    max-width: 1000px;
    margin: 0 auto;
}

.development-intro {
    text-align: center;
    margin-bottom: 3rem;
    padding: 2rem;
    background: linear-gradient(135deg, #f8f9ff 0%, #e8f4fd 100%);
    border-radius: 15px;
    border-left: 4px solid #667eea;
}

.development-intro p {
    font-size: 1.1rem;
    color: #333;
    line-height: 1.8;
    margin: 0;
}

.development-phases {
    display: grid;
    gap: 2rem;
    margin-bottom: 3rem;
}

.phase-card {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.phase-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.phase-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

.phase-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.phase-header i {
    font-size: 2rem;
    color: #667eea;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.phase-header h3 {
    font-size: 1.4rem;
    color: #333;
    margin: 0;
    flex: 1;
}

.phase-badge {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

.phase-content h4 {
    color: #333;
    font-size: 1.1rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.phase-content ul {
    list-style: none;
    padding: 0;
}

.phase-content li {
    padding: 0.5rem 0;
    color: #666;
    position: relative;
    padding-left: 1.5rem;
}

.phase-content li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
}

.tech-highlights {
    margin-bottom: 3rem;
}

.tech-highlights h3 {
    text-align: center;
    font-size: 2rem;
    color: #333;
    margin-bottom: 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.tech-item {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.tech-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

.tech-item i {
    font-size: 3rem;
    color: #667eea;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tech-item h4 {
    font-size: 1.2rem;
    color: #333;
    margin-bottom: 0.5rem;
}

.tech-item p {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.6;
}

.success-metrics {
    background: linear-gradient(135deg, #f8f9ff 0%, #e8f4fd 100%);
    padding: 2.5rem;
    border-radius: 20px;
    text-align: center;
}

.success-metrics h3 {
    font-size: 2rem;
    color: #333;
    margin-bottom: 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.metric-item {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.metric-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

.metric-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #667eea;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.metric-label {
    color: #666;
    font-size: 1rem;
    font-weight: 500;
}

/* Domain Ideas Section */
.domain-card {
    background: white;
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    margin-top: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.domain-header {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid #f0f0f0;
}

.domain-header i {
    font-size: 3rem;
    color: #f39c12;
    margin-bottom: 1rem;
}

.domain-header h3 {
    font-size: 2rem;
    color: #333;
    background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.domain-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.domain-category h4 {
    color: #333;
    font-size: 1.2rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #667eea;
}

.domain-list {
    list-style: none;
}

.domain-list li {
    padding: 0.8rem 0;
    border-bottom: 1px solid #f0f0f0;
    color: #666;
    transition: all 0.3s ease;
}

.domain-list li:hover {
    color: #333;
    padding-left: 1rem;
}

.domain-list li:last-child {
    border-bottom: none;
}

.domain-footer {
    background: linear-gradient(135deg, #e8f4fd 0%, #d1ecf1 100%);
    padding: 1.5rem;
    border-radius: 10px;
    border-left: 4px solid #667eea;
}

.domain-footer p {
    color: #333;
    margin: 0;
    font-size: 1rem;
}

.domain-footer i {
    color: #667eea;
    margin-right: 0.5rem;
}

/* Namelix Section */
.namelix-section {
    background: linear-gradient(135deg, #f8f9ff 0%, #e8f4fd 100%);
    padding: 2rem;
    border-radius: 15px;
    margin: 2rem 0;
    text-align: center;
    border: 2px dashed #667eea;
    transition: all 0.3s ease;
}

.namelix-section:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.15);
    border-color: #764ba2;
}

.namelix-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.namelix-header i {
    font-size: 2rem;
    color: #667eea;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.namelix-header h4 {
    font-size: 1.3rem;
    color: #333;
    margin: 0;
}

.namelix-description {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.6;
    font-size: 1rem;
}

.namelix-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-decoration: none;
    padding: 1rem 2rem;
    border-radius: 25px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.namelix-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
    text-decoration: none;
    color: white;
}

.namelix-btn i {
    font-size: 0.9rem;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: white;
    margin: 2% auto;
    width: 95%;
    height: 90%;
    border-radius: 15px;
    box-shadow: 0 10px 50px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.modal-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    margin: 0;
    font-size: 1.5rem;
}

.close-btn {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.close-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
}

.modal-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 1rem;
    overflow: hidden;
}

.pdf-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 10px;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.control-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 0.8rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.control-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.control-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

#page-info {
    font-weight: 500;
    color: #333;
    margin: 0 1rem;
}

#pdf-container {
    flex: 1;
    overflow: auto;
    background: #f5f5f5;
    border-radius: 10px;
    padding: 1rem;
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

#pdf-canvas {
    max-width: 100%;
    height: auto;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .logo {
        font-size: 2rem;
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .nav {
        padding: 0.8rem 1rem;
    }
    
    .nav-list {
        gap: 1rem;
    }
    
    .nav-link {
        padding: 0.6rem 1rem;
        font-size: 0.9rem;
    }
    
    .main-content {
        padding: 1.5rem;
    }
    
    .overview-content h2 {
        font-size: 2rem;
    }
    
    .documents-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .document-card {
        padding: 1.5rem;
    }
    
    .domain-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .domain-card {
        padding: 1.5rem;
    }
    
    .namelix-section {
        padding: 1.5rem;
        margin: 1.5rem 0;
    }
    
    .namelix-header {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .namelix-btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .development-phases {
        gap: 1.5rem;
    }
    
    .phase-card {
        padding: 1.5rem;
    }
    
    .phase-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .tech-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .tech-item {
        padding: 1.5rem;
    }
    
    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .metric-item {
        padding: 1.5rem;
    }
    
    .metric-number {
        font-size: 2rem;
    }
    
    .modal-content {
        width: 98%;
        height: 95%;
        margin: 1% auto;
    }
    
    .pdf-controls {
        gap: 0.5rem;
        padding: 0.8rem;
    }
    
    .control-btn {
        padding: 0.6rem 0.8rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 1.5rem 0;
    }
    
    .logo {
        font-size: 1.8rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    .nav-list {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .stat-card {
        padding: 1.5rem;
    }
    
    .mission-vision {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .mission-card, .vision-card {
        padding: 1.5rem;
    }
    
    .market-segments {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .segment-card {
        padding: 1.2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .feature-item {
        padding: 1.5rem;
    }
    
    .value-points {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .value-point {
        flex-direction: column;
        text-align: center;
        padding: 1.5rem;
    }
    
    .value-point i {
        margin-bottom: 1rem;
    }
    
    .model-explanation {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .model-card {
        padding: 1.5rem;
    }
    
    .card-footer {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }
    
    .view-btn {
        width: 100%;
    }
    
    .password-modal {
        padding: 2rem;
        margin: 1rem;
    }
    
    .password-header h2 {
        font-size: 1.5rem;
    }
    
    .password-header i {
        font-size: 2.5rem;
    }
}

/* Loading Animation */
.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 200px;
}

.loading::after {
    content: '';
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

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

/* Focus styles for accessibility */
button:focus,
.nav-link:focus {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}