@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@400;500;600;700;800;900&display=swap');

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

:root {
    --primary-color: #1a4a46;
    --secondary-color: #b8924a;
    --dark-bg: #f7f2ea;
    --light-bg: #ffffff;
    --text-dark: #1c211e;
    --text-light: #726b63;
    --border-color: #d8d0c5;
    --success-color: #27ae60;
    --error-color: #e74c3c;
    --warning-color: #f39c12;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --ink: #1c211e;
    --paper: #f5f0e8;
    --gold: #b8924a;
    --gold-lt: #e8d9b8;
    --teal: #1a4a46;
    --teal-lt: #d0e8e5;
    --rule: #d5cec4;
}

body {
    font-family: 'Cairo', Tahoma, sans-serif;
    background: var(--paper);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Navbar */
.navbar {
    background: var(--light-bg);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    cursor: pointer;
    letter-spacing: -0.5px;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    font-weight: 500;
    letter-spacing: 0.3px;
}

.nav-links a:hover {
    color: var(--primary-color);
    transform: translateY(-2px);
}

.logout-btn {
    background: linear-gradient(135deg, var(--error-color), #c0392b);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.logout-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.lang-toggle {
    display: flex;
    gap: 0.5rem;
}

.lang-btn {
    background: linear-gradient(135deg, var(--primary-color), #7c6ff5);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-weight: 500;
    box-shadow: var(--shadow-sm);
}

.lang-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Sections */
.section {
    display: none;
    animation: fadeIn 0.25s ease-in cubic-bezier(0.4, 0, 0.2, 1);
}

.section.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Hero Section */
.hero {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
}

.hero-content h1 {
    font-size: clamp(2.2rem, 4vw, 4rem);
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-weight: 700;
    letter-spacing: -0.8px;
}

.hero-content p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-image {
    display: flex;
    justify-content: flex-start;
    align-items: center;
}

.chatbot-preview {
    width: 100%;
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 18px;
    padding: 1.25rem;
    box-shadow: var(--shadow-sm);
}

.chatbot-preview-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    color: #111111;
    margin-bottom: 1rem;
}

.chatbot-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #ff6600;
    box-shadow: 0 0 0 4px rgba(255, 102, 0, 0.12);
}

.chatbot-preview-message {
    color: var(--text-dark);
    background: #fafafa;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem;
    margin-bottom: 1rem;
}

.chatbot-preview-input {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.chatbot-preview-input input {
    flex: 1;
    padding: 0.8rem 0.9rem;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: #ffffff;
}

.chatbot-preview-input input:focus {
    outline: none;
    border-color: #111111;
}

.chatbot-preview-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.mini-tag {
    border: 1px solid #111111;
    background: #ffffff;
    color: #111111;
    border-radius: 999px;
    padding: 0.45rem 0.8rem;
    font-size: 0.82rem;
    cursor: pointer;
}

.mini-tag:hover {
    background: #111111;
    color: #ffffff;
}

.image-placeholder {
    font-size: 10rem;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* Features Section */
.features {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 4rem 2rem;
    background: var(--light-bg);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.features h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
    color: var(--primary-color);
    font-weight: 700;
}

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

.feature-card {
    padding: 2rem;
    background: var(--light-bg);
    border-radius: 12px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

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

.feature-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* CTA Section */
.cta {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 4rem 2rem;
    background: linear-gradient(135deg, var(--primary-color), #7c6ff5);
    border-radius: 12px;
    text-align: center;
    color: white;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.cta h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
    font-weight: 700;
}

/* Buttons */
.btn-primary,
.btn-secondary,
.btn-back {
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    margin: 0.5rem;
    font-weight: 500;
    letter-spacing: 0.3px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), #7c6ff5);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #5050d4, #6c5ff5);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

.btn-secondary {
    background-color: var(--light-bg);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-back {
    background-color: var(--text-light);
    color: white;
    padding: 0.5rem 1rem;
    margin-bottom: 2rem;
}

/* Courses Section */
.courses-grid {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
}

.course-card {
    background: var(--light-bg);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border: 1px solid var(--border-color);
}

.course-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.course-header {
    background: linear-gradient(135deg, var(--primary-color), #7c6ff5);
    padding: 2rem;
    color: white;
    text-align: center;
}

.course-header h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.course-body {
    padding: 1.5rem;
}

.course-body p {
    color: var(--text-light);
    margin-bottom: 1rem;
    min-height: 2.4rem;
}

.course-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
}

.price {
    font-weight: 700;
    color: var(--primary-color);
    font-size: 1.2rem;
}

/* Auth Section */
.auth-section {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 60vh;
    padding: 2rem;
}

.auth-container {
    background: var(--light-bg);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    width: 100%;
    max-width: 400px;
    border: 1px solid var(--border-color);
}

.auth-container h2 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--primary-color);
    font-weight: 700;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-dark);
    letter-spacing: 0.2px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.85rem;
    border: 1.5px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: var(--dark-bg);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    background: var(--light-bg);
    box-shadow: 0 0 0 3px rgba(91, 111, 232, 0.1);
}

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

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.auth-container p {
    text-align: center;
    margin-top: 1rem;
    color: var(--text-light);
}

.auth-container a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    cursor: pointer;
}

.auth-container a:hover {
    text-decoration: underline;
}

/* Chat Section */
.chat-container {
    max-width: 1200px;
    margin: 2rem auto;
    display: flex;
    flex-direction: column;
    height: 500px;
    background: var(--light-bg);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    padding: 2rem;
    border: 1px solid var(--border-color);
}

.messages {
    flex: 1;
    overflow-y: auto;
    margin-bottom: 1rem;
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    border-radius: 8px;
    background: var(--dark-bg);
}

.message {
    margin-bottom: 1rem;
    padding: 0.85rem 1.2rem;
    border-radius: 10px;
    max-width: 80%;
    word-wrap: break-word;
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(10px);
}

.message.sent {
    background: linear-gradient(135deg, var(--primary-color), #7c6ff5);
    color: white;
    margin-left: auto;
    text-align: right;
    border-bottom-right-radius: 4px;
}

.message.received {
    background: var(--light-bg);
    color: var(--text-dark);
    margin-right: auto;
    border-left: 3px solid var(--primary-color);
    border-bottom-left-radius: 4px;
}

.chat-input {
    display: flex;
    gap: 1rem;
}

.chat-input input {
    flex: 1;
    padding: 0.75rem;
    border: 1.5px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: var(--dark-bg);
}

.chat-input input:focus {
    outline: none;
    border-color: var(--primary-color);
    background: var(--light-bg);
}

/* Profile Section */
.profile-container {
    max-width: 1200px;
    margin: 2rem auto;
    background: var(--light-bg);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.profile-info {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--dark-bg);
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.my-courses {
    margin-top: 3rem;
}

.my-courses h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-weight: 700;
}

/* Dashboard Section */
.dashboard-container {
    max-width: 1200px;
    margin: 2rem auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.dashboard-card {
    background: var(--light-bg);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.dashboard-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.dashboard-card h3 {
    color: var(--text-light);
    margin-bottom: 1rem;
    font-weight: 600;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.create-course {
    max-width: 1200px;
    margin: 2rem auto;
    background: var(--light-bg);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.create-course h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-weight: 700;
}

/* AI Assistant Section */
.ai-container {
    max-width: 1200px;
    margin: 2rem auto;
    background: var(--light-bg);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.ai-header {
    background: linear-gradient(135deg, #5b6fe8 0%, #8b7ff5 100%);
    color: white;
    padding: 2.5rem;
    text-align: center;
}

.ai-header h2 {
    color: white;
    margin-bottom: 0.5rem;
    font-size: 1.8rem;
    font-weight: 700;
}

.ai-header p {
    opacity: 0.95;
    font-size: 0.95rem;
    letter-spacing: 0.3px;
}

.ai-chat {
    padding: 2.5rem;
}

.ai-messages {
    background: var(--dark-bg);
    border-radius: 12px;
    padding: 1.5rem;
    height: 400px;
    overflow-y: auto;
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-color);
}

.ai-message-bot,
.ai-message-user {
    margin-bottom: 1rem;
    padding: 1rem 1.2rem;
    border-radius: 10px;
    max-width: 80%;
    word-wrap: break-word;
    line-height: 1.6;
    animation: slideIn 0.3s ease-out;
    box-shadow: var(--shadow-sm);
}

.ai-message-bot {
    background: linear-gradient(135deg, #e8ecf1, #dfe4f0);
    color: var(--text-dark);
    border-left: 4px solid var(--primary-color);
    margin-right: auto;
    border-bottom-left-radius: 4px;
}

.ai-message-user {
    background: linear-gradient(135deg, #5b6fe8, #7c6ff5);
    color: white;
    margin-left: auto;
    text-align: right;
    border-bottom-right-radius: 4px;
}

.ai-message-bot::before {
    content: "🤖 ";
    font-weight: 700;
}

.ai-message-user::before {
    content: "👤 ";
    font-weight: 700;
}

.ai-input-area {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.ai-input-area input {
    flex: 1;
    padding: 0.85rem 1rem;
    border: 1.5px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: var(--dark-bg);
}

.ai-input-area input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(91, 111, 232, 0.1);
    background: var(--light-bg);
}

.ai-suggestions {
    background: var(--dark-bg);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.ai-suggestions p {
    color: var(--text-light);
    margin-bottom: 1rem;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.ai-suggestion-btn {
    display: inline-block;
    background: var(--light-bg);
    border: 1.5px solid var(--border-color);
    padding: 0.6rem 1.2rem;
    border-radius: 20px;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 0.9rem;
    color: var(--primary-color);
    font-weight: 500;
    box-shadow: var(--shadow-sm);
}

.ai-suggestion-btn:hover {
    background: linear-gradient(135deg, var(--primary-color), #7c6ff5);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

/* Scrollbar styling for chat */
.ai-messages::-webkit-scrollbar {
    width: 8px;
}

.ai-messages::-webkit-scrollbar-track {
    background: var(--dark-bg);
    border-radius: 10px;
}

.ai-messages::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 10px;
}

.ai-messages::-webkit-scrollbar-thumb:hover {
    background: var(--text-light);
}

/* AI typing animation */
@keyframes typing {
    0% { opacity: 0; }
    50% { opacity: 1; }
    100% { opacity: 0; }
}

.ai-typing {
    display: inline-block;
    width: 8px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 50%;
    margin-right: 4px;
    animation: typing 1.4s infinite;
}

.ai-typing:nth-child(2) {
    animation-delay: 0.2s;
}

.ai-typing:nth-child(3) {
    animation-delay: 0.4s;
}

/* Titles */
h1, h2, h3 {
    color: var(--primary-color);
}

h1 {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 2rem;
    font-weight: 700;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #2c3e50 0%, #1a252f 100%);
    color: white;
    text-align: center;
    padding: 2rem;
    margin-top: 4rem;
    border-top: 1px solid var(--border-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        gap: 1rem;
        flex-wrap: wrap;
    }

    .nav-links a {
        font-size: 0.9rem;
    }

    .hero {
        grid-template-columns: 1fr;
        padding: 2rem 1rem;
    }

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

    .image-placeholder {
        font-size: 5rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .courses-grid {
        grid-template-columns: 1fr;
    }

    .chat-container {
        height: auto;
        min-height: 400px;
    }

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

/* Animations */
@keyframes slideIn {
    from {
        transform: translateX(20px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.course-card {
    animation: slideIn 0.3s ease-out;
}

/* Loading state */
.loading {
    text-align: center;
    padding: 2rem;
    color: var(--text-light);
}

.spinner {
    border: 4px solid var(--dark-bg);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

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

/* Utility Classes */
.hidden {
    display: none;
}

.text-center {
    text-align: center;
}

.mt-20 {
    margin-top: 1.25rem;
}

.mb-20 {
    margin-bottom: 1.25rem;
}

/* YC-inspired visual override */
:root {
    --primary-color: #ff6600;
    --secondary-color: #111111;
    --dark-bg: #fafafa;
    --light-bg: #ffffff;
    --text-dark: #111111;
    --text-light: #6b7280;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 14px 36px rgba(0, 0, 0, 0.08);
}

body {
    background: #ffffff;
    color: #111111;
}

.navbar {
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid var(--border-color);
    box-shadow: none;
}

.nav-container,
.hero,
.features,
.cta,
.courses-grid,
.profile-container,
.create-course,
.chat-container,
.ai-container,
.dashboard-container,
h1 {
    max-width: 1120px;
}

.logo {
    color: #111111;
    font-size: 1.15rem;
    font-weight: 800;
}

.lang-btn,
.btn-primary {
    background: #ff6600;
    color: #111111;
    box-shadow: none;
    border: 1px solid #111111;
}

.btn-primary:hover,
.lang-btn:hover {
    background: #ff7a1a;
    color: #111111;
    box-shadow: none;
}

.btn-secondary {
    background: #ffffff;
    color: #111111;
    border: 1px solid #111111;
    box-shadow: none;
}

.btn-secondary:hover {
    background: #111111;
    color: #ffffff;
}

.hero {
    padding: 5rem 2rem 3rem;
    gap: 4rem;
    align-items: start;
}

.hero-content h1 {
    font-size: clamp(2.4rem, 5vw, 4.8rem);
    line-height: 0.98;
    color: #111111;
    max-width: 12ch;
}

.hero-content p {
    max-width: 42rem;
    font-size: 1.05rem;
    color: var(--text-light);
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.45rem 0.8rem;
    border: 1px solid #111111;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 700;
    color: #111111;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.hero-note {
    margin-top: 1rem;
    color: var(--text-light);
    font-size: 0.95rem;
}

.hero-image {
    justify-content: flex-start;
}

.hero-card {
    width: 100%;
    background: #ffffff;
    border: 1px solid #111111;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    padding: 1.5rem;
}

.hero-card-kicker {
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: #ff6600;
    margin-bottom: 0.75rem;
}

.hero-card-title {
    font-size: 1.45rem;
    line-height: 1.2;
    font-weight: 800;
    color: #111111;
    margin-bottom: 1rem;
}

.hero-card-list {
    display: grid;
    gap: 0.65rem;
    color: var(--text-dark);
    font-weight: 600;
}

.section {
    padding-bottom: 2rem;
}

.features,
.profile-container,
.create-course,
.auth-container,
.chat-container,
.ai-container,
.dashboard-card,
.course-card,
.course-details,
.feature-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.hero-eyebrow,
.hero-note,
.feature-card p,
.course-body p,
.auth-container p,
.my-courses p,
.messages,
.ai-suggestions p {
    color: var(--text-light);
}

.features h2,
.cta h2,
h1,
.auth-container h2,
.profile-container h2,
.dashboard-title,
.ai-header h2,
.create-course h3,
.my-courses h3 {
    color: #111111;
}

.features,
.profile-container,
.create-course,
.chat-container,
.ai-container {
    border-radius: 16px;
}

.feature-card,
.dashboard-card,
.course-card,
.auth-container {
    border-radius: 16px;
}

.feature-card:hover,
.course-card:hover,
.dashboard-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: #111111;
}

.cta {
    background: #111111;
    color: #ffffff;
    border-radius: 16px;
    box-shadow: none;
    border: 1px solid #111111;
}

.cta h2 {
    color: #ffffff;
}

.course-header,
.ai-header {
    background: #111111;
    color: #ffffff;
}

.course-header h3,
.ai-header h2,
.ai-header p {
    color: #ffffff;
}

.course-footer,
.profile-info,
.messages,
.ai-messages {
    background: #fafafa;
}

.message.sent,
.ai-message-user {
    background: #ff6600;
    color: #111111;
    border: 1px solid #111111;
}

.message.received,
.ai-message-bot {
    background: #ffffff;
    color: #111111;
    border: 1px solid var(--border-color);
}

.ai-suggestions {
    background: #ffffff;
    border: 1px solid var(--border-color);
}

.ai-suggestion-btn {
    background: #ffffff;
    color: #111111;
    border: 1px solid #111111;
    box-shadow: none;
}

.ai-suggestion-btn:hover {
    background: #ff6600;
    color: #111111;
}

.form-group input,
.form-group textarea,
.form-group select,
.chat-input input,
.ai-input-area input {
    background: #ffffff;
    border-color: var(--border-color);
    color: #111111;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus,
.chat-input input:focus,
.ai-input-area input:focus {
    border-color: #111111;
    box-shadow: 0 0 0 3px rgba(17, 17, 17, 0.08);
}

/* Role Selection Buttons */
.role-btn {
    padding: 1rem;
    border: 2px solid var(--border-color);
    background: #ffffff;
    color: var(--text-dark);
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s ease;
    font-weight: 500;
}

.role-btn:hover {
    border-color: var(--primary-color);
    background: #f0f4ff;
    transform: translateY(-2px);
}

.role-btn.active {
    background: var(--primary-color);
    color: #ffffff;
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(91, 111, 232, 0.3);
}

.role-selector {
    background: #f9fafb;
    padding: 2rem;
    border-radius: 12px;
    margin-bottom: 2rem;
}

.footer {
    background: #111111;
    color: #ffffff;
}

/* Modal and Auth Overlay styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-overlay[style*="display: none"] {
    display: none !important;
}

.modal-overlay.active,
.modal-overlay[style*="display: flex"] {
    display: flex !important;
}

.modal-box {
    background: white;
    border-radius: 16px;
    padding: 2.5rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    width: 90%;
    max-width: 500px;
    position: relative;
    animation: slideIn 0.3s ease-out;
}

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

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
    transition: color 0.2s;
}

.modal-close:hover {
    color: var(--text-dark);
}

/* Auth Buttons in Navbar */
.auth-buttons {
    display: flex;
    gap: 0.5rem;
}

.btn-auth {
    padding: 0.6rem 1.2rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.btn-auth:hover {
    background: #4a5ed6;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(91, 111, 232, 0.3);
}

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

.btn-register:hover {
    background: #c1208e;
}

@media (max-width: 900px) {
    .hero {
        grid-template-columns: 1fr;
        padding-top: 3rem;
    }

    .hero-content h1 {
        max-width: none;
    }
}

/* Brochure Landing Page Overrides */
.navbar {
    background: rgba(245, 240, 232, 0.92);
    border-bottom: 1px solid rgba(184, 146, 74, 0.18);
}

.nav-container {
    max-width: 1320px;
}

.logo {
    color: var(--teal);
    font-size: 1.7rem;
}

.lang-btn {
    background: var(--teal);
    color: #fff;
}

.lang-btn:hover {
    background: #123a36;
}

.btn-auth {
    background: transparent;
    border: 1px solid rgba(26, 74, 70, 0.18);
    color: var(--teal);
}

.btn-register {
    background: var(--gold);
    color: var(--ink);
    border-color: var(--gold);
}

.btn-auth:hover {
    background: rgba(26, 74, 70, 0.08);
    color: var(--teal);
    box-shadow: 0 8px 18px rgba(26, 74, 70, 0.12);
}

.btn-register:hover {
    background: var(--gold-lt);
    color: var(--ink);
}

#homeSection {
    padding: 24px 16px 56px;
}

.home-brochure {
    max-width: 1380px;
    margin: 0 auto;
    background: var(--paper);
    border-radius: 28px;
    overflow: hidden;
    box-shadow: 0 18px 50px rgba(28, 33, 30, 0.08);
    border: 1px solid rgba(184, 146, 74, 0.14);
}

.hero {
    background: var(--teal);
    color: #fff;
    padding: 92px 40px 68px;
    position: relative;
    overflow: hidden;
    max-width: none;
    margin: 0;
    display: block;
}

.hero::before {
    content: '';
    position: absolute;
    top: -120px;
    left: -110px;
    width: 520px;
    height: 520px;
    border-radius: 50%;
    border: 1px solid rgba(184, 146, 74, 0.22);
}

.hero::after {
    content: '';
    position: absolute;
    right: -120px;
    bottom: -180px;
    width: 680px;
    height: 680px;
    border-radius: 50%;
    border: 1px solid rgba(184, 146, 74, 0.14);
}

.hero-inner {
    max-width: 860px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-tag {
    display: inline-block;
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--gold-lt);
    border: 1px solid rgba(184, 146, 74, 0.5);
    padding: 10px 18px;
    border-radius: 4px;
    margin-bottom: 28px;
}

.hero h1 {
    font-size: clamp(3.3rem, 8vw, 6.8rem);
    font-weight: 900;
    line-height: 1.02;
    margin-bottom: 18px;
    color: #fff;
    letter-spacing: -0.04em;
}

.hero h1 em {
    color: var(--gold-lt);
    font-style: normal;
}

.hero-subtitle {
    color: rgba(255, 255, 255, 0.58);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 28px;
}

.hero-hook {
    font-size: 1.15rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.84);
    max-width: 860px;
    line-height: 1.9;
    margin-bottom: 32px;
    border-right: 4px solid var(--gold);
    padding-right: 22px;
}

.brochure-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 28px;
}

.btn-primary,
.btn-secondary,
.btn-back {
    border-radius: 6px;
}

.brochure-actions .btn-primary {
    background: var(--gold);
    color: var(--ink);
}

.brochure-actions .btn-primary:hover {
    background: var(--gold-lt);
}

.brochure-actions .btn-secondary {
    background: transparent;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.28);
}

.brochure-actions .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    border-color: rgba(255, 255, 255, 0.36);
}

.btn-secondary-soft {
    color: var(--gold-lt) !important;
    border-color: rgba(184, 146, 74, 0.4) !important;
}

.hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 18px 28px;
}

.hero-pill {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 0.98rem;
    color: rgba(255, 255, 255, 0.72);
}

.hero-pill strong {
    color: #fff;
    font-weight: 700;
}

.hero-pill .dot {
    width: 8px;
    height: 8px;
    background: var(--gold);
    border-radius: 50%;
    flex-shrink: 0;
}

.body-wrap {
    max-width: 980px;
    margin: 0 auto;
    padding: 70px 28px;
}

.practical-wrap {
    padding-top: 0;
}

.sec-label {
    color: var(--gold);
    font-size: 0.98rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.sec-title {
    font-size: clamp(2.3rem, 4vw, 4rem);
    line-height: 1.16;
    font-weight: 800;
    color: var(--teal);
    margin-bottom: 36px;
    letter-spacing: -0.03em;
}

.divider {
    height: 1px;
    background: var(--rule);
    margin: 56px 0;
}

.practical-divider {
    margin-top: 0;
}

.outcomes-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.outcome-card {
    background: #fff;
    border: 1px solid var(--rule);
    border-radius: 6px;
    padding: 26px 24px 26px 30px;
    position: relative;
}

.outcome-card::before {
    content: '';
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--gold);
    border-radius: 0 6px 6px 0;
}

.outcome-card p {
    font-size: 1.05rem;
    line-height: 1.9;
    color: #342f2a;
}

.outcome-card-wide {
    grid-column: 1 / -1;
}

.curriculum-list {
    list-style: none;
    counter-reset: module;
}

.curriculum-list li {
    counter-increment: module;
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 18px 0;
    border-bottom: 1px solid var(--rule);
    font-size: 1.2rem;
}

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

.curriculum-list li::before {
    content: counter(module, arabic-indic);
    min-width: 48px;
    width: 48px;
    height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #d5eae6;
    color: var(--teal);
    border-radius: 50%;
    font-weight: 800;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.module-highlight {
    display: inline-block;
    background: var(--gold-lt);
    color: var(--teal);
    border-radius: 4px;
    font-size: 0.82rem;
    font-weight: 800;
    padding: 3px 10px;
    margin-left: 10px;
}

.format-row {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.format-card {
    background: #fff;
    border: 1px solid var(--rule);
    border-radius: 8px;
    padding: 30px 20px;
    text-align: center;
}

.format-icon {
    font-size: 2rem;
    display: inline-block;
    margin-bottom: 12px;
}

.format-card h4 {
    color: var(--teal);
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.format-card p {
    color: var(--text-light);
    font-size: 0.98rem;
    line-height: 1.8;
}

.audience-list {
    list-style: none;
    display: grid;
    gap: 14px;
}

.audience-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 1.08rem;
    line-height: 1.8;
}

.audience-list li::before {
    content: '';
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--gold);
    margin-top: 0.8rem;
    flex-shrink: 0;
}

.outputs-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.output-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    background: var(--teal);
    border-radius: 8px;
    padding: 20px 22px;
}

.output-num {
    min-width: 40px;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.12);
    color: var(--gold-lt);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1rem;
    flex-shrink: 0;
}

.output-item p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
    line-height: 1.8;
    margin-top: 2px;
}

.details-band {
    background: var(--teal);
    color: #fff;
    padding: 54px 28px;
}

.details-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
}

.detail-item {
    text-align: center;
}

.detail-label {
    color: rgba(255, 255, 255, 0.56);
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.detail-value {
    color: #fff;
    font-size: 1.45rem;
    font-weight: 800;
}

.detail-value em {
    font-style: normal;
    color: var(--gold-lt);
}

.cta-section {
    background: var(--ink);
    color: #fff;
    text-align: center;
    padding: 72px 28px;
}

.cta-inner {
    max-width: 760px;
    margin: 0 auto;
}

.cta-deadline {
    display: inline-block;
    color: var(--gold-lt);
    background: rgba(184, 146, 74, 0.16);
    border: 1px solid rgba(184, 146, 74, 0.28);
    border-radius: 4px;
    padding: 10px 16px;
    margin-bottom: 24px;
    font-size: 0.96rem;
}

.cta-section h2 {
    color: #fff;
    font-size: clamp(2rem, 4vw, 3.4rem);
    line-height: 1.3;
    margin-bottom: 16px;
}

.cta-section p {
    color: rgba(255, 255, 255, 0.68);
    font-size: 1.05rem;
    line-height: 1.9;
}

.cta-actions {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    margin: 28px 0 10px;
}

.cta-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 15px 28px;
    border-radius: 6px;
    background: var(--gold);
    color: var(--ink);
    border: 1px solid var(--gold);
    font-family: inherit;
    font-weight: 800;
    font-size: 1rem;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.cta-btn:hover {
    background: var(--gold-lt);
    transform: translateY(-2px);
}

.cta-btn-outline {
    background: transparent;
    color: #fff;
    border-color: rgba(255, 255, 255, 0.22);
}

.cta-btn-outline:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
}

.cta-note {
    margin-top: 18px;
    color: rgba(255, 255, 255, 0.42);
    font-size: 0.9rem;
}

.courses-grid,
.profile-container,
.chat-container,
.auth-container,
.dashboard-container,
.create-course,
#chartsSection,
.ai-container {
    border-radius: 16px;
}

.footer {
    background: transparent;
    color: var(--text-light);
    padding-top: 0;
}

@media (max-width: 960px) {
    .format-row,
    .details-inner,
    .outcomes-grid,
    .outputs-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 720px) {
    #homeSection {
        padding: 14px 10px 36px;
    }

    .home-brochure {
        border-radius: 22px;
    }

    .hero {
        padding: 62px 20px 48px;
    }

    .hero::before {
        width: 300px;
        height: 300px;
        top: -70px;
        left: -70px;
    }

    .hero::after {
        width: 420px;
        height: 420px;
        right: -140px;
        bottom: -130px;
    }

    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 18px;
    }

    .hero-hook {
        font-size: 1rem;
        padding-right: 16px;
    }

    .brochure-actions,
    .cta-actions {
        flex-direction: column;
    }

    .brochure-actions .btn-primary,
    .brochure-actions .btn-secondary,
    .cta-btn {
        width: 100%;
        margin: 0;
    }

    .body-wrap {
        padding: 50px 18px;
    }

    .sec-title {
        font-size: 2.2rem;
    }

    .outcomes-grid,
    .format-row,
    .outputs-grid,
    .details-inner {
        grid-template-columns: 1fr;
    }

    .outcome-card-wide {
        grid-column: auto;
    }

    .curriculum-list li {
        font-size: 1.02rem;
    }

    .curriculum-list li::before {
        min-width: 40px;
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
}