:root {
    --primary-color: #4A90E2;
    --secondary-color: #FF7F50;
    --text-dark: #343A40;
    --text-light: #6c757d;
    --bg-light: #F8F9FA;
    --bg-white: #FFFFFF;
    --border-color: #E9ECEF;
    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Lato', sans-serif;
    --success-color: #7ED321;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-secondary); color: var(--text-dark); line-height: 1.6; background-color: var(--bg-white); font-size: 16px; }
h1, h2, h3, h4 { font-family: var(--font-primary); font-weight: 700; margin-bottom: 0.75em; line-height: 1.3; }
h1 { font-size: clamp(2rem, 5vw, 2.8rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.2rem); color: var(--primary-color); }
h3 { font-size: 1.4rem; }
h4 { font-size: 1.1rem; }
p { margin-bottom: 1rem; }
a { color: var(--primary-color); text-decoration: none; transition: color 0.2s ease; }
a:hover { color: var(--secondary-color); }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
.container { width: 90%; max-width: 1100px; margin: 0 auto; padding: 0 15px; }
.text-center { text-align: center; }
.section-title { text-align: center; margin-bottom: 3rem; }
.subheadline { font-size: 1.1rem; color: var(--text-light); max-width: 600px; margin-left: auto; margin-right: auto; margin-bottom: 1.5rem; }

.btn { display: inline-block; padding: 0.75rem 1.5rem; border-radius: 25px; font-family: var(--font-primary); font-weight: 500; text-align: center; cursor: pointer; transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.1s ease, box-shadow 0.2s ease; border: 2px solid transparent; margin: 0.5rem 0.25rem; font-size: 0.95rem; }
.btn:hover { transform: translateY(-2px); box-shadow: 0 4px 10px rgba(0,0,0,0.1); }
.btn-primary { background-color: var(--secondary-color); color: var(--bg-white); border-color: var(--secondary-color); }
.btn-primary:hover { background-color: #E56A40; border-color: #E56A40; color: var(--bg-white); }
.btn-secondary { background-color: var(--bg-white); color: var(--primary-color); border-color: var(--primary-color); }
.btn-secondary:hover { background-color: var(--primary-color); color: var(--bg-white); }
.btn-outline { background-color: transparent; color: var(--primary-color); border-color: var(--primary-color); }
.btn-outline:hover { background-color: var(--primary-color); color: var(--bg-white); }
.btn-large { padding: 1rem 2rem; font-size: 1.1rem; }

.site-header { background-color: var(--bg-white); padding: 1rem 0; box-shadow: 0 2px 5px rgba(0,0,0,0.05); position: sticky; top: 0; z-index: 1000; }
.header-container { display: flex; justify-content: space-between; align-items: center; }
.logo { font-family: var(--font-primary); font-size: 1.5rem; font-weight: 700; color: var(--text-dark); }
.logo:hover { color: var(--text-dark); }
.main-nav { display: none; }
@media (min-width: 769px) { .main-nav { display: block; } .main-nav ul { display: flex; gap: 1.5rem; } .main-nav a { color: var(--text-light); font-weight: 500; font-size: 0.95rem; } .main-nav a:hover { color: var(--primary-color); } }
.header-actions .btn { margin-left: 0.5rem; }

section { padding: 4rem 0; }
section:nth-of-type(even) { background-color: var(--bg-light); }

.hero-section { padding-top: 4rem; padding-bottom: 3rem; text-align: center; }
.hero-section h1 { margin-bottom: 1rem; }
.cta-buttons { margin-top: 2rem; }
.hero-image-container { margin: 3rem auto 0 auto; padding: 0; border: none; background-color: transparent; max-width: 800px; }
.hero-image-container img { border-radius: 8px; box-shadow: 0 5px 20px rgba(0,0,0,0.1); width: 100%; }

.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 2rem; margin: 2rem auto 0 auto; max-width: 700px; }
@media (min-width: 600px) { .features-grid { grid-template-columns: repeat(2, 1fr); } }
.feature-card { background-color: var(--bg-white); padding: 2rem; border-radius: 8px; box-shadow: 0 4px 15px rgba(0,0,0,0.05); text-align: center; transition: transform 0.2s ease, box-shadow 0.2s ease; }
.feature-card:hover { transform: translateY(-5px); box-shadow: 0 8px 20px rgba(0,0,0,0.08); }
.feature-icon { font-size: 2.5rem; color: var(--primary-color); margin-bottom: 1rem; }
.feature-card h3 { margin-bottom: 0.5rem; font-size: 1.3rem; }

.steps-section { background-color: var(--bg-white); }
.steps-container { display: flex; justify-content: space-around; align-items: flex-start; gap: 2rem; margin-top: 2rem; margin-bottom: 3rem; flex-wrap: wrap; }
.step { text-align: center; flex: 1; min-width: 180px; max-width: 250px; padding: 1rem 0.5rem; }
.step-icon { font-size: 3rem; color: var(--secondary-color); margin-bottom: 1rem; }
.step h3 { font-size: 1.2rem; margin-bottom: 0.5rem; }

.audience-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 2rem; margin-top: 2rem; align-items: start; }
.audience-card { text-align: center; padding: 1rem; }
.audience-icon { font-size: 3rem; color: var(--primary-color); margin-bottom: 1rem; }
.audience-card h4 { margin-bottom: 0.3rem; font-size: 1rem; font-weight: 700; }

.checklist-section { background-color: var(--bg-white); }
.checklist { columns: 2; column-gap: 3rem; max-width: 700px; margin: 2rem auto 0; font-size: 1.05rem; font-weight: 500; }
.checklist li { margin-bottom: 1rem; display: flex; align-items: flex-start; gap: 0.75rem; break-inside: avoid-column; }
.checklist li i { color: var(--success-color); margin-top: 0.2em; }
@media (max-width: 600px) { .checklist { columns: 1; } }

#coming-soon, #testimonials { display: none; }

.teacher-recruitment-section { background-color: var(--bg-light); color: var(--text-dark); }
.teacher-recruitment-section h2 { color: var(--primary-color); text-align: left; }
.teacher-recruitment-content { display: flex; align-items: center; gap: 3rem; flex-wrap: wrap; text-align: left; }
.teacher-recruitment-text { flex: 1; min-width: 300px; }
.teacher-recruitment-text .btn-outline { color: var(--primary-color); border-color: var(--primary-color); margin-top: 1rem; }
.teacher-recruitment-text .btn-outline:hover{ background-color: var(--primary-color); color: var(--bg-white); }
.teacher-recruitment-image { flex-basis: 300px; flex-grow: 0; text-align: center; }
.teacher-recruitment-image img { max-width: 100%; border-radius: 8px; box-shadow: 0 4px 15px rgba(0,0,0,0.1); }

.final-cta-section { background-color: var(--bg-white); }
.final-cta-section h2 { color: var(--text-dark); }

.site-footer-bottom { background-color: var(--text-dark); color: #ccc; padding: 2.5rem 0; font-size: 0.9rem; margin-top: 3rem; }
.footer-container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1.5rem; }
.footer-left .logo { color: var(--bg-white); font-size: 1.2rem; }
.footer-left p { margin-top: 0.5rem; margin-bottom: 0; }
.footer-links { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.footer-links a { color: #ccc; }
.footer-links a:hover { color: var(--bg-white); text-decoration: underline; }

@media (max-width: 768px) {
    .section-title { margin-bottom: 2rem; }
    .header-container { flex-wrap: wrap; justify-content: center; gap: 1rem; }
    .main-nav { display: none !important; }
    .header-actions { order: 3; width: 100%; text-align: center; }
    .checklist { columns: 1; }
    .teacher-recruitment-content { flex-direction: column; text-align: center; gap: 2rem; }
    .teacher-recruitment-section h2 { text-align: center; }
    .teacher-recruitment-image { order: -1; margin-bottom: 1rem; }
    .footer-container { flex-direction: column; text-align: center; }
    .footer-left, .footer-right { width: 100%; }
    .footer-links { justify-content: center; }
}
@media (max-width: 480px) {
    h1 { font-size: 1.8rem; }
    h2 { font-size: 1.6rem; }
    .btn { padding: 0.6rem 1.2rem; font-size: 0.9rem; }
    .btn-large { padding: 0.8rem 1.5rem; font-size: 1rem; }
    .features-grid, .audience-grid { gap: 1.5rem; }
    .steps-container { gap: 1.5rem; }
}

.modal-overlay { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0, 0, 0, 0.6); z-index: 1040; opacity: 0; transition: opacity 0.3s ease; }
.modal { display: none; position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%) scale(0.95); background-color: var(--bg-white); padding: 2rem; border-radius: 8px; box-shadow: 0 5px 20px rgba(0,0,0,0.2); z-index: 1050; width: 90%; max-width: 500px; max-height: 85vh; overflow-y: auto; opacity: 0; transition: opacity 0.3s ease, transform 0.3s ease; }
.modal.modal-lg { max-width: 800px; }
.modal.active, .modal-overlay.active { display: block; opacity: 1; }
.modal.active { transform: translate(-50%, -50%) scale(1); }
.modal-content { }
.modal-close { position: absolute; top: 10px; right: 15px; background: none; border: none; font-size: 2rem; color: #aaa; cursor: pointer; line-height: 1; padding: 5px; transition: color 0.2s ease; }
.modal-close:hover { color: var(--text-dark); }
.modal h3 { margin-top: 0; margin-bottom: 1rem; color: var(--primary-color); text-align: center; font-size: 1.5rem; }
.modal p { text-align: center; margin-bottom: 1.5rem; color: var(--text-light); }
.modal .form-group { margin-bottom: 1rem; }
.modal .form-group label { display: block; margin-bottom: 0.3rem; font-weight: 600; font-size: 0.9em; text-align: left; }
.modal .form-group input[type="email"],
.modal .form-group input[type="text"],
.modal .form-group textarea { width: 100%; padding: 0.75rem; border: 1px solid var(--border-color); border-radius: 4px; font-size: 1rem; background-color: #fff; color: var(--text-dark); font-family: inherit; line-height: 1.4; }
.modal .form-group textarea { resize: vertical; min-height: 80px; }
.modal .form-group input:focus, .modal .form-group textarea:focus { outline: none; border-color: var(--primary-color); box-shadow: 0 0 0 2px rgba(74, 144, 226, 0.2); }
.modal form button[type="submit"] { width: 100%; padding: 0.8rem 1.5rem; margin-top: 1rem; }
.modal-alt-action { font-size: 0.9em; text-align: center; margin-top: 1.5rem; color: var(--text-light); }
.modal-alt-action a { color: var(--primary-color); font-weight: 600; }
.modal-alt-action a:hover { color: var(--secondary-color); text-decoration: underline; }

.privacy-content { text-align: left; font-size: 0.9rem; line-height: 1.7; }
.privacy-content h4 { font-size: 1.1rem; color: var(--text-dark); margin-top: 1.5rem; margin-bottom: 0.5rem; }
.privacy-content p { text-align: left; color: var(--text-dark); margin-bottom: 0.75rem; }
.privacy-content ul { list-style: disc; margin-left: 2rem; margin-bottom: 1rem; }
.privacy-content li { margin-bottom: 0.4rem; }
.privacy-content strong { font-weight: 700; }