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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8fafc;
}

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

/* Navigation Styles */
.main-nav {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(15, 23, 42, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: #0f172a;
}

.nav-logo .logo-img {
    width: 32px;
    height: 32px;
    border-radius: 4px;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: #1e293b;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #0f172a;
    background: rgba(15, 23, 42, 0.05);
}

.nav-link.active {
    color: #0f172a;
    font-weight: 600;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 1rem;
    right: 1rem;
    height: 2px;
    background: linear-gradient(135deg, #0f172a 0%, #0f766e 100%);
    border-radius: 1px;
}

/* Branded Login tab styling */
.nav-link.nav-link-login {
    background: #0f766e;
    color: #ffffff;
    box-shadow: 0 6px 16px rgba(15, 118, 110, 0.25);
}
.nav-link.nav-link-login:hover {
    background: #0e6b62;
    color: #ffffff;
    transform: translateY(-1px);
    box-shadow: 0 8px 18px rgba(15, 118, 110, 0.3);
}

/* Role Login Page */
.login-section {
    margin-top: 90px; /* space for fixed navbar */
    padding: 40px 20px 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 240px); /* keep footer at bottom */
}

.login-section .container {
    width: 100%;
    display: flex;
    justify-content: center;
}

.login-card {
    max-width: 680px;
    margin: 0 auto;
    background: #ffffff;
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.login-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: #0f172a;
    text-align: center;
    margin-bottom: 1.5rem;
}

.login-form .form-group {
    margin-bottom: 1.25rem;
}

.login-form label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #475569;
}

.login-form input,
.login-form select {
    width: 100%;
    padding: 0.9rem 0.85rem;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    background: #ffffff;
}

.login-form input::placeholder {
    color: #94a3b8;
}

.login-form input:focus,
.login-form select:focus {
    outline: none;
    border-color: #0f766e;
    box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.15);
}

.login-btn {
    width: 100%;
    background: #0f172a; /* dark navy */
    color: #ffffff;
    border: none;
    padding: 1rem;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease;
    margin-top: 0.5rem;
}

.login-btn:hover {
    background: #111827;
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(17, 24, 39, 0.25);
}

.signup-hint {
    text-align: center;
    margin-top: 1rem;
    color: #1f2937;
}

.signup-hint a {
    color: #0f766e;
    text-decoration: none;
    font-weight: 600;
}

.signup-hint a:hover { text-decoration: underline; }

/* Header Styles */
.hero {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 20%, #0f766e 80%, #064e3b 100%);
    background-size: 400% 400%;
    animation: gradientShift 8s ease-in-out infinite;
    color: white;
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    margin-top: 80px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(15, 23, 42, 0.2) 0%, rgba(6, 78, 59, 0.1) 100%);
    animation: shimmer 3s ease-in-out infinite alternate;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

@keyframes shimmer {
    0% { opacity: 0.4; }
    100% { opacity: 0.8; }
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 20px;
    position: relative;
    z-index: 2;
}

.logo i {
    font-size: 3rem;
    color: #fff;
    text-shadow: 0 0 20px rgba(15, 118, 110, 0.5);
}

.logo h1 {
    font-size: 3rem;
    font-weight: 700;
    margin: 0;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.tagline {
    font-size: 1.5rem;
    margin-bottom: 15px;
    opacity: 0.95;
    position: relative;
    z-index: 2;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
}

.description {
    font-size: 1.1rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
}

/* Main Content */
.main-content {
    padding: 60px 0;
}

/* Features Section */
.features {
    margin-bottom: 80px;
    text-align: center;
}

.features h2 {
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: #2c3e50;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.feature {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.feature i {
    font-size: 3rem;
    color: #1e293b;
    margin-bottom: 20px;
    text-shadow: 0 2px 4px rgba(30, 41, 59, 0.3);
}

.feature h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #0f172a;
}

.feature p {
    color: #666;
    font-size: 1rem;
}

/* School Signup Section */
.school-signup {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding: 80px 0;
    margin: 60px 0;
    border-radius: 20px;
    position: relative;
    overflow: hidden;
}

.school-signup::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23e2e8f0" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
    z-index: 1;
}

.school-signup > * {
    position: relative;
    z-index: 2;
}

.school-signup h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 1rem;
}

.signup-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: #64748b;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.signup-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.signup-form-wrapper {
    background: white;
    padding: 3rem;
    border-radius: 16px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    border: 1px solid rgba(15, 23, 42, 0.1);
}

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

.signup-form label {
    display: block;
    font-weight: 600;
    color: #374151;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.signup-form input,
.signup-form textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: #fafafa;
}

.signup-form input:focus,
.signup-form textarea:focus {
    outline: none;
    border-color: #0f172a;
    background: white;
    box-shadow: 0 0 0 3px rgba(15, 23, 42, 0.1);
}

.signup-form .form-hint {
    display: block;
    font-size: 0.85rem;
    color: #6b7280;
    margin-top: 0.25rem;
}

.signup-btn {
    width: 100%;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
}

.signup-btn:hover {
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.3);
}

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

.signup-benefits {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 2rem;
}

.signup-benefits h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 1.5rem;
}

.benefits-list {
    list-style: none;
    margin-bottom: 2rem;
}

.benefits-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 0;
    font-size: 1.1rem;
    color: #374151;
}

.benefits-list li i {
    color: #059669;
    font-size: 1.2rem;
    width: 20px;
}

.existing-account {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    border: 2px solid #e5e7eb;
    text-align: center;
}

.existing-account p {
    margin-bottom: 1rem;
    color: #6b7280;
}

.login-btn {
    background: transparent;
    color: #0f172a;
    border: 2px solid #0f172a;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.login-btn:hover {
    background: #0f172a;
    color: white;
    transform: translateY(-2px);
}

/* Login Form Styles */
.login-container {
    max-width: 500px;
    margin: 3rem auto 0;
    padding: 0 2rem;
}

.login-form-wrapper {
    background: white;
    padding: 3rem;
    border-radius: 16px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    border: 1px solid rgba(15, 23, 42, 0.1);
}

.login-form h3 {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 2rem;
}

.login-submit-btn {
    width: 100%;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
}

.login-submit-btn:hover {
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.3);
}

.back-to-signup {
    text-align: center;
    margin-top: 1.5rem;
}

.back-btn {
    background: transparent;
    color: #6b7280;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.back-btn:hover {
    color: #0f172a;
    background: rgba(15, 23, 42, 0.05);
}

/* Status Messages */
.signup-status,
.login-status {
    margin-top: 1rem;
    padding: 1rem;
    background: #f0f9ff;
    border: 1px solid #0ea5e9;
    border-radius: 8px;
    text-align: center;
}

.status-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: #0369a1;
}

.status-content i {
    font-size: 1.2rem;
}

/* Status Messages */
.status-message {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid;
    display: none;
}

.status-content {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.status-content i {
    font-size: 1.1rem;
}

.status-content p {
    margin: 0;
    font-weight: 500;
}

/* Responsive Design */
@media (max-width: 768px) {
    .signup-container {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 0 1rem;
    }
    
    .signup-form-wrapper,
    .login-form-wrapper {
        padding: 2rem;
    }
    
    .school-signup h2 {
        font-size: 2rem;
    }
    
    .signup-subtitle {
        font-size: 1.1rem;
    }
}

/* Downloads Section */
.downloads {
    text-align: center;
    margin-bottom: 80px;
}

.downloads h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #2c3e50;
}

.download-subtitle {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 50px;
}

.download-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.download-card {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
}

.download-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.os-icon {
    margin-bottom: 20px;
}

.os-icon i {
    font-size: 4rem;
    color: #1e293b;
    text-shadow: 0 4px 8px rgba(30, 41, 59, 0.4);
}

.download-card h3 {
    font-size: 1.8rem;
    margin-bottom: 10px;
    color: #0f172a;
}

.file-size {
    font-weight: 600;
    color: #0f766e !important;
    font-size: 1.1rem !important;
}

.download-btn {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 25%, #0f766e 75%, #064e3b 100%);
    color: white;
    border: none;
    padding: 15px 30px;
    font-size: 1.1rem;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin: 20px 0;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    min-width: 200px;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(15, 23, 42, 0.4);
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(15, 23, 42, 0.5);
    background: linear-gradient(135deg, #1e293b 0%, #334155 25%, #0d9488 75%, #047857 100%);
}

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

.install-note {
    font-size: 0.9rem;
    color: #888 !important;
    font-style: italic;
}

.download-status {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    margin-top: 30px;
}

.status-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.download-card p {
    color: #666;
    margin-bottom: 10px;
}

.status-content i {
    font-size: 1.5rem;
    color: #1e293b;
}

/* Installation Section */
.demo {
    margin-bottom: 80px;
}

.demo h2 {
    font-size: 2.5rem;
    margin-bottom: 24px;
    color: #2c3e50;
    text-align: center;
}

.demo-container {
    background: white;
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    padding: 24px;
}

.demo-video {
    width: 100%;
    max-width: 100%;
    border-radius: 12px;
}

.installation {
    margin-bottom: 80px;
}

/* Role Signup — shared helpers */
.open-app-hint {
    display: none;
    margin-top: 1rem;
    padding: 1rem;
    background: #f0f9ff;
    border: 1px solid #0ea5e9;
    border-radius: 8px;
    color: #0369a1;
    text-align: center;
}

.btn-secondary {
    width: 100%;
    background: transparent;
    color: #0f172a;
    border: 2px solid #0f172a;
    padding: 1rem;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease;
    margin-top: 0.75rem;
}

.btn-secondary:hover {
    background: #0f172a;
    color: #ffffff;
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(17, 24, 39, 0.25);
}

.installation h2 {
    font-size: 2.5rem;
    margin-bottom: 40px;
    color: #2c3e50;
    text-align: center;
}

.installation-tabs {
    background: white;
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.tab-buttons {
    display: flex;
    background: #f8f9fa;
}

.tab-btn {
    flex: 1;
    padding: 20px;
    border: none;
    background: transparent;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    color: #666;
}

.tab-btn.active {
    background: linear-gradient(135deg, #0f172a 0%, #0f766e 100%);
    color: white;
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.4);
}

.tab-btn:hover:not(.active) {
    background: #e9ecef;
    color: #0f172a;
}

.tab-content {
    display: none;
    padding: 40px;
}

.tab-content.active {
    display: block;
}

.tab-content ol {
    list-style: none;
    counter-reset: step-counter;
}

.tab-content li {
    counter-increment: step-counter;
    margin-bottom: 20px;
    padding-left: 60px;
    position: relative;
    font-size: 1.1rem;
    line-height: 1.6;
}

.tab-content li::before {
    content: counter(step-counter);
    position: absolute;
    left: 0;
    top: 0;
    background: linear-gradient(135deg, #0f172a 0%, #0f766e 100%);
    color: white;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    box-shadow: 0 2px 6px rgba(15, 23, 42, 0.4);
}

.tab-content code {
    background: #f8f9fa;
    padding: 5px 10px;
    border-radius: 5px;
    font-family: 'Courier New', monospace;
    color: #e83e8c;
}

/* System Requirements */
.system-requirements {
    margin-bottom: 80px;
}

.system-requirements h2 {
    font-size: 2.5rem;
    margin-bottom: 40px;
    color: #2c3e50;
    text-align: center;
}

.requirements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.requirement-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.requirement-card h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: #2c3e50;
    display: flex;
    align-items: center;
    gap: 10px;
}

.requirement-card h3 i {
    color: #1e293b;
}

.requirement-card ul {
    list-style: none;
}

.requirement-card li {
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
    color: #666;
}

.requirement-card li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #28a745;
    font-weight: bold;
}

/* Documentation Page Styles */
.doc-hero {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 20%, #0f766e 80%, #064e3b 100%);
    background-size: 400% 400%;
    animation: gradientShift 8s ease-in-out infinite;
    color: white;
    padding: 120px 0 60px;
    text-align: center;
    margin-top: 80px;
}

.doc-hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.doc-subtitle {
    font-size: 1.3rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* Feature Navigation Tags */
.feature-nav {
    background: white;
    padding: 20px 0;
    border-bottom: 1px solid rgba(15, 23, 42, 0.1);
    position: sticky;
    top: 80px;
    z-index: 100;
}

.feature-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: center;
}

.feature-tag {
    text-decoration: none;
    color: #1e293b;
    background: rgba(15, 23, 42, 0.05);
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 1px solid rgba(15, 23, 42, 0.1);
}

.feature-tag:hover {
    background: linear-gradient(135deg, #0f172a 0%, #0f766e 100%);
    color: white;
    transform: translateY(-2px);
}

/* Documentation Content */
.doc-content {
    padding: 60px 0;
    background: #f8fafc;
}

.doc-section {
    margin-bottom: 80px;
    scroll-margin-top: 120px;
}

.doc-section h2 {
    font-size: 2.5rem;
    color: #0f172a;
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.doc-section h2 i {
    color: #0f766e;
    font-size: 2rem;
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.content-card {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(15, 23, 42, 0.1);
    border: 1px solid rgba(15, 23, 42, 0.05);
}

.content-card h3 {
    color: #0f172a;
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.content-card p {
    color: #475569;
    line-height: 1.7;
    margin-bottom: 20px;
}

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

.content-card li {
    color: #475569;
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
}

.content-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #0f766e;
    font-weight: bold;
}

/* Feature Detail Sections */
.feature-detail {
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(15, 23, 42, 0.1);
    margin-top: 30px;
}

.feature-description h3 {
    color: #0f172a;
    font-size: 1.8rem;
    margin-bottom: 20px;
}

.feature-description h4 {
    color: #1e293b;
    font-size: 1.3rem;
    margin: 30px 0 15px;
}

.feature-description h5 {
    color: #0f172a;
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.feature-description p {
    color: #475569;
    line-height: 1.7;
    margin-bottom: 20px;
}

.feature-description ul {
    list-style: none;
    padding: 0;
    margin-bottom: 30px;
}

.feature-description li {
    color: #475569;
    padding: 10px 0;
    padding-left: 30px;
    position: relative;
    line-height: 1.6;
}

.feature-description li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: #0f766e;
    font-weight: bold;
    font-size: 1.2rem;
}

/* Stakeholder Benefits */
.stakeholder-benefits {
    display: grid;
    gap: 20px;
    margin-top: 20px;
}

.benefit-item {
    background: rgba(15, 118, 110, 0.05);
    padding: 20px;
    border-radius: 8px;
    border-left: 4px solid #0f766e;
}

.benefit-item strong {
    color: #0f172a;
    display: block;
    margin-bottom: 8px;
}

/* Impact Grid */
.impact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 25px;
}

.impact-item {
    background: rgba(15, 23, 42, 0.02);
    padding: 25px;
    border-radius: 10px;
    border: 1px solid rgba(15, 23, 42, 0.1);
}

.impact-item h5 {
    color: #0f172a;
    margin-bottom: 12px;
    font-size: 1.1rem;
}

.impact-item p {
    color: #475569;
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Dashboard Info */
.dashboard-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 25px;
}

.dashboard-item {
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.02) 0%, rgba(15, 118, 110, 0.02) 100%);
    padding: 25px;
    border-radius: 10px;
    border: 1px solid rgba(15, 23, 42, 0.1);
}

.dashboard-item h5 {
    color: #0f172a;
    margin-bottom: 12px;
    font-size: 1.1rem;
}

/* Community Benefits */
.community-benefits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 25px;
}

.benefit-card {
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(15, 23, 42, 0.08);
    border: 1px solid rgba(15, 23, 42, 0.05);
}

.benefit-card h5 {
    color: #0f172a;
    margin-bottom: 12px;
    font-size: 1.1rem;
}

/* Protection Info */
.protection-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 25px;
}

.protection-item {
    background: rgba(15, 23, 42, 0.02);
    padding: 25px;
    border-radius: 10px;
    border-top: 3px solid #0f172a;
}

.protection-item h5 {
    color: #0f172a;
    margin-bottom: 12px;
    font-size: 1.1rem;
}

/* Inclusion Benefits */
.inclusion-benefits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 25px;
}

.inclusion-item {
    background: rgba(15, 118, 110, 0.03);
    padding: 25px;
    border-radius: 10px;
    border-left: 4px solid #0f766e;
}

.inclusion-item h5 {
    color: #0f172a;
    margin-bottom: 12px;
    font-size: 1.1rem;
}

/* Implementation Grid */
.implementation-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 25px;
}

.implementation-item {
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(15, 23, 42, 0.08);
    border: 1px solid rgba(15, 23, 42, 0.05);
}

.implementation-item h5 {
    color: #0f172a;
    margin-bottom: 12px;
    font-size: 1.1rem;
}

/* Call to Action */
.doc-cta {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 20%, #0f766e 80%, #064e3b 100%);
    color: white;
    padding: 60px 0;
    text-align: center;
    border-radius: 15px;
    margin: 60px 0;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-btn {
    text-decoration: none;
    padding: 15px 30px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.cta-btn.primary {
    background: white;
    color: #0f172a;
}

.cta-btn.primary:hover {
    background: #f1f5f9;
    transform: translateY(-2px);
}

.cta-btn.secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.cta-btn.secondary:hover {
    background: white;
    color: #0f172a;
    transform: translateY(-2px);
}

/* Pricing Page Styles */
.pricing-hero {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f766e 100%);
    color: white;
    padding: 120px 0 80px;
    text-align: center;
}

.pricing-hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.pricing-subtitle {
    font-size: 1.3rem;
    margin-bottom: 40px;
    color: #cbd5e1;
}

.billing-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-top: 30px;
}

.billing-label {
    font-weight: 600;
    color: #e2e8f0;
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 30px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #475569;
    transition: 0.4s;
    border-radius: 30px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 22px;
    width: 22px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: 0.4s;
    border-radius: 50%;
}

input:checked + .slider {
    background: linear-gradient(135deg, #1e293b, #0f766e);
}

input:checked + .slider:before {
    transform: translateX(30px);
}

.discount-badge {
    background: linear-gradient(135deg, #0f766e, #14b8a6);
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.8rem;
    margin-left: 8px;
}

.pricing-plans {
    padding: 80px 0;
    background: #f8fafc;
}

.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.pricing-card {
    background: white;
    border-radius: 16px;
    padding: 40px 30px;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.1);
    transition: all 0.3s ease;
    position: relative;
    border: 2px solid transparent;
    display: flex;
    flex-direction: column;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(15, 23, 42, 0.15);
}

.pricing-card.featured {
    border: 2px solid #0f766e;
    transform: scale(1.05);
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #0f766e, #14b8a6);
    color: white;
    padding: 8px 24px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
}

.plan-header {
    text-align: center;
    margin-bottom: 30px;
}

.plan-header h3 {
    font-size: 1.8rem;
    color: #0f172a;
    margin-bottom: 10px;
}

.plan-description {
    color: #64748b;
    margin-bottom: 20px;
}

.price-display {
    display: flex;
    align-items: baseline;
    justify-content: center;
    margin-bottom: 10px;
}

.currency {
    font-size: 1.5rem;
    color: #1e293b;
    font-weight: 600;
}

.price {
    font-size: 3rem;
    font-weight: 700;
    color: #0f172a;
    margin: 0 5px;
}

.period {
    font-size: 1.2rem;
    color: #64748b;
}

.price-note {
    color: #64748b;
    font-size: 0.9rem;
}

.plan-features ul {
    list-style: none;
    margin-bottom: 30px;
}

.plan-features {
    flex-grow: 1;
}

.plan-features li {
    display: flex;
    align-items: center;
    margin-bottom: 12px;
    font-size: 0.95rem;
}

.plan-features li i {
    margin-right: 12px;
    width: 16px;
    text-align: center;
}

.plan-features li .fa-check {
    color: #0f766e;
}

.plan-features li .fa-times {
    color: #94a3b8;
}

.plan-button {
    width: 100%;
    padding: 15px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    background: linear-gradient(135deg, #1e293b, #0f172a);
    color: white;
}

.plan-button:hover {
    background: linear-gradient(135deg, #0f172a, #1e293b);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.3);
}

.plan-button.featured {
    background: linear-gradient(135deg, #0f766e, #14b8a6);
}

.plan-button.featured:hover {
    background: linear-gradient(135deg, #14b8a6, #0f766e);
}

.feature-comparison {
    padding: 80px 0;
    background: white;
}

.feature-comparison h2 {
    text-align: center;
    color: #0f172a;
    margin-bottom: 50px;
    font-size: 2.5rem;
}

.comparison-table-wrapper {
    overflow-x: auto;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin: 0 auto;
    max-width: 1000px;
}

.comparison-table th,
.comparison-table td {
    padding: 20px;
    text-align: center;
    border-bottom: 1px solid #e2e8f0;
}

.comparison-table th {
    background: linear-gradient(135deg, #0f172a, #1e293b);
    color: white;
    font-weight: 600;
}

.comparison-table td:first-child {
    text-align: left;
    font-weight: 600;
    color: #1e293b;
}

.comparison-table .fa-check {
    color: #0f766e;
    font-size: 1.2rem;
}

.comparison-table .fa-times {
    color: #94a3b8;
    font-size: 1.2rem;
}

.educational-discounts {
    padding: 80px 0;
    background: #f8fafc;
}

.educational-discounts h2 {
    text-align: center;
    color: #0f172a;
    margin-bottom: 50px;
    font-size: 2.5rem;
}

.discount-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.discount-card {
    background: white;
    padding: 40px 30px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.1);
    transition: all 0.3s ease;
}

.discount-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(15, 23, 42, 0.15);
}

.discount-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #0f766e, #14b8a6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.discount-icon i {
    font-size: 2rem;
    color: white;
}

.discount-card h3 {
    color: #0f172a;
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.discount-percentage {
    font-size: 2rem;
    font-weight: 700;
    color: #0f766e;
    margin-bottom: 15px;
}

.discount-card p {
    color: #64748b;
    margin-bottom: 20px;
    line-height: 1.6;
}

.discount-card ul {
    list-style: none;
    text-align: left;
}

.discount-card li {
    color: #475569;
    margin-bottom: 8px;
    position: relative;
    padding-left: 20px;
}

.discount-card li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #0f766e;
    font-weight: bold;
}

.roi-calculator {
    padding: 80px 0;
    background: white;
}

.roi-calculator h2 {
    text-align: center;
    color: #0f172a;
    margin-bottom: 50px;
    font-size: 2.5rem;
}

.calculator-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    max-width: 1000px;
    margin: 0 auto;
}

.calculator-form {
    background: #f8fafc;
    padding: 40px;
    border-radius: 16px;
}

.calculator-form h3 {
    color: #0f172a;
    margin-bottom: 30px;
    font-size: 1.5rem;
}

.input-group {
    margin-bottom: 25px;
}

.input-group label {
    display: block;
    color: #1e293b;
    font-weight: 600;
    margin-bottom: 8px;
}

.input-group input {
    width: 100%;
    padding: 12px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.input-group input:focus {
    outline: none;
    border-color: #0f766e;
}

.calculate-btn {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #0f766e, #14b8a6);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.calculate-btn:hover {
    background: linear-gradient(135deg, #14b8a6, #0f766e);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(15, 118, 110, 0.3);
}

.calculator-results {
    background: linear-gradient(135deg, #0f172a, #1e293b);
    color: white;
    padding: 40px;
    border-radius: 16px;
}

.calculator-results h3 {
    color: white;
    margin-bottom: 30px;
    font-size: 1.5rem;
}

.savings-display {
    margin-bottom: 20px;
}

.savings-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid #334155;
}

.savings-label {
    color: #cbd5e1;
    font-weight: 500;
}

.savings-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: #0f766e;
}

.roi-note {
    color: #94a3b8;
    font-size: 0.9rem;
    line-height: 1.5;
}

.pricing-faq {
    padding: 80px 0;
    background: #f8fafc;
}

.pricing-faq h2 {
    text-align: center;
    color: #0f172a;
    margin-bottom: 50px;
    font-size: 2.5rem;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(15, 23, 42, 0.1);
}

.faq-item h4 {
    color: #0f172a;
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.faq-item p {
    color: #64748b;
    line-height: 1.6;
}

.pricing-cta {
    padding: 80px 0;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f766e 100%);
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    color: #cbd5e1;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 20px;
}

.cta-btn {
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    display: inline-block;
}

.cta-btn.primary {
    background: linear-gradient(135deg, #0f766e, #14b8a6);
    color: white;
}

.cta-btn.primary:hover {
    background: linear-gradient(135deg, #14b8a6, #0f766e);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(15, 118, 110, 0.3);
}

.cta-btn.secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.cta-btn.secondary:hover {
    background: white;
    color: #0f172a;
}

.cta-note {
    color: #94a3b8;
    font-size: 0.9rem;
}

/* Responsive Design for Pricing */
@media (max-width: 768px) {
    .pricing-hero h1 {
        font-size: 2rem;
    }
    
    .pricing-subtitle {
        font-size: 1.1rem;
    }
    
    .plans-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .calculator-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-btn {
        width: 250px;
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .discount-grid {
        grid-template-columns: 1fr;
    }
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    color: #0f766e;
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.footer-section p {
    color: #cbd5e1;
    line-height: 1.6;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: #cbd5e1;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #0f766e;
}

.footer-bottom {
    border-top: 1px solid #334155;
    padding-top: 20px;
    text-align: center;
    color: #94a3b8;
}

.powered-by {
    margin-top: 1rem;
    font-size: 0.9rem;
    color: #ccc;
}

.botrex-link {
    color: #4CAF50;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.botrex-link:hover {
    color: #66BB6A;
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero {
        padding: 60px 0;
    }
    
    .logo h1 {
        font-size: 2.5rem;
    }
    
    .tagline {
        font-size: 1.3rem;
    }
    
    .features h2,
    .downloads h2,
    .installation h2,
    .system-requirements h2 {
        font-size: 2rem;
    }
    
    .download-buttons {
        grid-template-columns: 1fr;
    }
    
    .tab-buttons {
        flex-direction: column;
    }
    
    .requirements-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .download-card {
        padding: 30px 20px;
    }
    
    .tab-content {
        padding: 30px 20px;
    }
    
    .tab-content li {
        padding-left: 50px;
        font-size: 1rem;
    }
}