:root {
    --primary: #0f172a;
    --primary-light: #1e293b;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --text-main: #334155;
    --text-light: #64748b;
    --bg-main: #ffffff;
    --bg-light: #f8fafc;
    --border: #e2e8f0;
    --transition: all 0.3s ease;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--text-main);
    line-height: 1.6;
    background-color: var(--bg-main);
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.text-center { text-align: center; }
.text-left { text-align: left; }
.bg-light { background-color: var(--bg-light); }
.bg-dark { background-color: var(--primary); color: white; }
.mt-4 { margin-top: 2rem; }

/* Typography */
h1 { font-size: 3rem; color: var(--primary); margin-bottom: 1rem; line-height: 1.2; }
h2.section-title { font-size: 2.25rem; color: var(--primary); margin-bottom: 2.5rem; text-align: center; }
h3 { font-size: 1.5rem; margin-bottom: 1rem; color: var(--primary); }
h4 { font-size: 1.25rem; margin-bottom: 0.5rem; }
p { margin-bottom: 1rem; }
.subtitle { font-size: 1.25rem; color: var(--text-light); margin-bottom: 3rem; }
.link { color: var(--accent); text-decoration: none; font-weight: 600; }
.link:hover { text-decoration: underline; }

/* Buttons */
.btn {
    display: inline-block; padding: 12px 24px; border-radius: 6px;
    text-decoration: none; font-weight: 600; cursor: pointer; transition: var(--transition);
    border: none; font-size: 1rem;
}
.btn-primary { background-color: var(--accent); color: white; }
.btn-primary:hover { background-color: var(--accent-hover); }
.btn-outline { border: 2px solid var(--accent); color: var(--accent); background: transparent; }
.btn-outline:hover { background-color: var(--accent); color: white; }

/* Navigation */
.navbar {
    background: rgba(255,255,255,0.95); backdrop-filter: blur(10px);
    position: fixed; top: 0; width: 100%; z-index: 1000;
    border-bottom: 1px solid var(--border);
}
.nav-container { display: flex; justify-content: space-between; align-items: center; height: 80px; }
.logo { font-size: 1.5rem; font-weight: 800; color: var(--primary); }
.logo span { color: var(--accent); }
.nav-links { display: flex; list-style: none; gap: 2rem; }
.nav-links a { text-decoration: none; color: var(--text-main); font-weight: 500; transition: var(--transition); }
.nav-links a:hover { color: var(--accent); }

/* Sections */
.section { padding: 5rem 0; }
.hero { padding: 10rem 0 5rem; background: linear-gradient(180deg, #f0f4f8 0%, var(--bg-main) 100%); }

/* Grids & Cards */
.audience-grid, .course-grid, .grid-3, .faculty-grid {
    display: grid; gap: 2rem; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}
.card, .audience-card, .faculty-card {
    background: white; border: 1px solid var(--border); border-radius: 12px;
    padding: 2rem; transition: var(--transition);
}
.card:hover, .audience-card:hover {
    transform: translateY(-5px); box-shadow: 0 10px 25px rgba(0,0,0,0.05);
}
.badge {
    display: inline-block; padding: 4px 12px; border-radius: 20px;
    background: #e0e7ff; color: #3730a3; font-size: 0.85rem; font-weight: 600; margin-bottom: 1rem;
}

/* Trust Bar */
.trust-bar { background: var(--primary); color: white; padding: 2rem 0; text-align: center; }
.trust-bar p { color: #cbd5e1; font-size: 0.9rem; text-transform: uppercase; letter-spacing: 1px; }
.logos { display: flex; justify-content: center; gap: 3rem; flex-wrap: wrap; margin-top: 1rem; font-weight: 600; opacity: 0.8; }

/* Corporate Section */
.corporate-flex { display: flex; align-items: center; gap: 4rem; }
.corp-content { flex: 1; }
.corp-image { flex: 1; min-height: 300px; display: flex; align-items: center; justify-content: center; border-radius: 12px; }
.placeholder-graphic { font-size: 2rem; font-weight: 700; color: var(--accent); }
.check-list { list-style: none; }
.check-list li { margin-bottom: 1rem; position: relative; padding-left: 1.5rem; }
.check-list li::before { content: '✓'; position: absolute; left: 0; color: var(--accent); font-weight: bold; }

/* FAQ */
.support-flex { display: grid; grid-template-columns: 2fr 1fr; gap: 3rem; }
.faq-item { border-bottom: 1px solid var(--border); margin-bottom: 1rem; }
.faq-btn {
    width: 100%; text-align: left; padding: 1rem 0; background: none; border: none;
    font-size: 1.1rem; font-weight: 600; color: var(--primary); cursor: pointer;
}
.faq-content { display: none; padding-bottom: 1rem; color: var(--text-light); }
.faq-content.active { display: block; }

/* Contact & Forms */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; }
form label { display: block; margin-bottom: 0.5rem; font-weight: 500; }
form input, form select, form textarea {
    width: 100%; padding: 10px; margin-bottom: 1.5rem; border: 1px solid var(--border);
    border-radius: 6px; font-family: inherit;
}
form input:focus, form select:focus, form textarea:focus {
    outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}
.social-links a { margin-right: 15px; color: var(--primary); text-decoration: none; font-weight: bold; }
.social-links a:hover { color: var(--accent); }

/* Alert Messages */
.alert { padding: 1rem; border-radius: 6px; margin-bottom: 1.5rem; }
.alert-success { background-color: #dcfce7; color: #0f5132; }
.alert-error { background-color: #fee2e2; color: #991b1b; }

/* Footer */
.footer { background: var(--primary); color: var(--text-light); padding: 3rem 0; border-top: 1px solid var(--primary-light); }
.footer-links a { color: var(--text-light); text-decoration: none; margin: 0 10px; }
.footer-links a:hover { color: white; }

/* Responsive */
@media (max-width: 768px) {
    .nav-links { display: none; }
    h1 { font-size: 2.25rem; }
    .corporate-flex, .support-flex, .contact-grid { grid-template-columns: 1fr; }
}
:root {
    --primary: #0f172a;
    --primary-light: #1e293b;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --text-main: #334155;
    --text-light: #64748b;
    --bg-main: #ffffff;
    --bg-light: #f8fafc;
    --border: #e2e8f0;
    --transition: all 0.3s ease;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--text-main);
    line-height: 1.6;
    background-color: var(--bg-main);
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.text-center { text-align: center; }
.text-left { text-align: left; }
.bg-light { background-color: var(--bg-light); }
.bg-dark { background-color: var(--primary); color: white; }
.mt-4 { margin-top: 2rem; }

/* Typography */
h1 { font-size: 3rem; color: var(--primary); margin-bottom: 1rem; line-height: 1.2; }
h2.section-title { font-size: 2.25rem; color: var(--primary); margin-bottom: 2.5rem; text-align: center; }
h3 { font-size: 1.5rem; margin-bottom: 1rem; color: var(--primary); }
h4 { font-size: 1.25rem; margin-bottom: 0.5rem; }
p { margin-bottom: 1rem; }
.subtitle { font-size: 1.25rem; color: var(--text-light); margin-bottom: 3rem; }
.link { color: var(--accent); text-decoration: none; font-weight: 600; }
.link:hover { text-decoration: underline; }

/* Buttons */
.btn {
    display: inline-block; padding: 12px 24px; border-radius: 6px;
    text-decoration: none; font-weight: 600; cursor: pointer; transition: var(--transition);
    border: none; font-size: 1rem;
}
.btn-primary { background-color: var(--accent); color: white; }
.btn-primary:hover { background-color: var(--accent-hover); }
.btn-outline { border: 2px solid var(--accent); color: var(--accent); background: transparent; }
.btn-outline:hover { background-color: var(--accent); color: white; }

/* Navigation */
.navbar {
    background: rgba(255,255,255,0.95); backdrop-filter: blur(10px);
    position: fixed; top: 0; width: 100%; z-index: 1000;
    border-bottom: 1px solid var(--border);
}
.nav-container { display: flex; justify-content: space-between; align-items: center; height: 80px; }
.logo { font-size: 1.5rem; font-weight: 800; color: var(--primary); }
.logo span { color: var(--accent); }
.nav-links { display: flex; list-style: none; gap: 2rem; }
.nav-links a { text-decoration: none; color: var(--text-main); font-weight: 500; transition: var(--transition); }
.nav-links a:hover { color: var(--accent); }

/* Sections */
.section { padding: 5rem 0; }
.hero { padding: 10rem 0 5rem; background: linear-gradient(180deg, #f0f4f8 0%, var(--bg-main) 100%); }

/* Grids & Cards */
.audience-grid, .course-grid, .grid-3, .faculty-grid {
    display: grid; gap: 2rem; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}
.card, .audience-card, .faculty-card {
    background: white; border: 1px solid var(--border); border-radius: 12px;
    padding: 2rem; transition: var(--transition);
}
.card:hover, .audience-card:hover {
    transform: translateY(-5px); box-shadow: 0 10px 25px rgba(0,0,0,0.05);
}
.badge {
    display: inline-block; padding: 4px 12px; border-radius: 20px;
    background: #e0e7ff; color: #3730a3; font-size: 0.85rem; font-weight: 600; margin-bottom: 1rem;
}

/* Trust Bar */
.trust-bar { background: var(--primary); color: white; padding: 2rem 0; text-align: center; }
.trust-bar p { color: #cbd5e1; font-size: 0.9rem; text-transform: uppercase; letter-spacing: 1px; }
.logos { display: flex; justify-content: center; gap: 3rem; flex-wrap: wrap; margin-top: 1rem; font-weight: 600; opacity: 0.8; }

/* Corporate Section */
.corporate-flex { display: flex; align-items: center; gap: 4rem; }
.corp-content { flex: 1; }
.corp-image { flex: 1; min-height: 300px; display: flex; align-items: center; justify-content: center; border-radius: 12px; }
.placeholder-graphic { font-size: 2rem; font-weight: 700; color: var(--accent); }
.check-list { list-style: none; }
.check-list li { margin-bottom: 1rem; position: relative; padding-left: 1.5rem; }
.check-list li::before { content: '✓'; position: absolute; left: 0; color: var(--accent); font-weight: bold; }

/* FAQ */
.support-flex { display: grid; grid-template-columns: 2fr 1fr; gap: 3rem; }
.faq-item { border-bottom: 1px solid var(--border); margin-bottom: 1rem; }
.faq-btn {
    width: 100%; text-align: left; padding: 1rem 0; background: none; border: none;
    font-size: 1.1rem; font-weight: 600; color: var(--primary); cursor: pointer;
}
.faq-content { display: none; padding-bottom: 1rem; color: var(--text-light); }
.faq-content.active { display: block; }

/* Contact & Forms */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; }
form label { display: block; margin-bottom: 0.5rem; font-weight: 500; }
form input, form select, form textarea {
    width: 100%; padding: 10px; margin-bottom: 1.5rem; border: 1px solid var(--border);
    border-radius: 6px; font-family: inherit;
}
form input:focus, form select:focus, form textarea:focus {
    outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}
.social-links a { margin-right: 15px; color: var(--primary); text-decoration: none; font-weight: bold; }
.social-links a:hover { color: var(--accent); }

/* Alert Messages */
.alert { padding: 1rem; border-radius: 6px; margin-bottom: 1.5rem; }
.alert-success { background-color: #dcfce7; color: #0f5132; }
.alert-error { background-color: #fee2e2; color: #991b1b; }

/* Footer */
.footer { background: var(--primary); color: var(--text-light); padding: 3rem 0; border-top: 1px solid var(--primary-light); }
.footer-links a { color: var(--text-light); text-decoration: none; margin: 0 10px; }
.footer-links a:hover { color: white; }

/* Responsive */
@media (max-width: 768px) {
    .nav-links { display: none; }
    h1 { font-size: 2.25rem; }
    .corporate-flex, .support-flex, .contact-grid { grid-template-columns: 1fr; }
}
:root {
    --primary: #0f172a;
    --primary-light: #1e293b;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --text-main: #334155;
    --text-light: #64748b;
    --bg-main: #ffffff;
    --bg-light: #f8fafc;
    --border: #e2e8f0;
    --transition: all 0.3s ease;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--text-main);
    line-height: 1.6;
    background-color: var(--bg-main);
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.text-center { text-align: center; }
.text-left { text-align: left; }
.bg-light { background-color: var(--bg-light); }
.bg-dark { background-color: var(--primary); color: white; }
.mt-4 { margin-top: 2rem; }

/* Typography */
h1 { font-size: 3rem; color: var(--primary); margin-bottom: 1rem; line-height: 1.2; }
h2.section-title { font-size: 2.25rem; color: var(--primary); margin-bottom: 2.5rem; text-align: center; }
h3 { font-size: 1.5rem; margin-bottom: 1rem; color: var(--primary); }
h4 { font-size: 1.25rem; margin-bottom: 0.5rem; }
p { margin-bottom: 1rem; }
.subtitle { font-size: 1.25rem; color: var(--text-light); margin-bottom: 3rem; }
.link { color: var(--accent); text-decoration: none; font-weight: 600; }
.link:hover { text-decoration: underline; }

/* Buttons */
.btn {
    display: inline-block; padding: 12px 24px; border-radius: 6px;
    text-decoration: none; font-weight: 600; cursor: pointer; transition: var(--transition);
    border: none; font-size: 1rem;
}
.btn-primary { background-color: var(--accent); color: white; }
.btn-primary:hover { background-color: var(--accent-hover); }
.btn-outline { border: 2px solid var(--accent); color: var(--accent); background: transparent; }
.btn-outline:hover { background-color: var(--accent); color: white; }

/* Navigation */
.navbar {
    background: rgba(255,255,255,0.95); backdrop-filter: blur(10px);
    position: fixed; top: 0; width: 100%; z-index: 1000;
    border-bottom: 1px solid var(--border);
}
.nav-container { display: flex; justify-content: space-between; align-items: center; height: 80px; }
.logo { font-size: 1.5rem; font-weight: 800; color: var(--primary); }
.logo span { color: var(--accent); }
.nav-links { display: flex; list-style: none; gap: 2rem; }
.nav-links a { text-decoration: none; color: var(--text-main); font-weight: 500; transition: var(--transition); }
.nav-links a:hover { color: var(--accent); }

/* Sections */
.section { padding: 5rem 0; }
.hero { padding: 10rem 0 5rem; background: linear-gradient(180deg, #f0f4f8 0%, var(--bg-main) 100%); }

/* Grids & Cards */
.audience-grid, .course-grid, .grid-3, .faculty-grid {
    display: grid; gap: 2rem; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}
.card, .audience-card, .faculty-card {
    background: white; border: 1px solid var(--border); border-radius: 12px;
    padding: 2rem; transition: var(--transition);
}
.card:hover, .audience-card:hover {
    transform: translateY(-5px); box-shadow: 0 10px 25px rgba(0,0,0,0.05);
}
.badge {
    display: inline-block; padding: 4px 12px; border-radius: 20px;
    background: #e0e7ff; color: #3730a3; font-size: 0.85rem; font-weight: 600; margin-bottom: 1rem;
}

/* Trust Bar */
.trust-bar { background: var(--primary); color: white; padding: 2rem 0; text-align: center; }
.trust-bar p { color: #cbd5e1; font-size: 0.9rem; text-transform: uppercase; letter-spacing: 1px; }
.logos { display: flex; justify-content: center; gap: 3rem; flex-wrap: wrap; margin-top: 1rem; font-weight: 600; opacity: 0.8; }

/* Corporate Section */
.corporate-flex { display: flex; align-items: center; gap: 4rem; }
.corp-content { flex: 1; }
.corp-image { flex: 1; min-height: 300px; display: flex; align-items: center; justify-content: center; border-radius: 12px; }
.placeholder-graphic { font-size: 2rem; font-weight: 700; color: var(--accent); }
.check-list { list-style: none; }
.check-list li { margin-bottom: 1rem; position: relative; padding-left: 1.5rem; }
.check-list li::before { content: '✓'; position: absolute; left: 0; color: var(--accent); font-weight: bold; }

/* FAQ */
.support-flex { display: grid; grid-template-columns: 2fr 1fr; gap: 3rem; }
.faq-item { border-bottom: 1px solid var(--border); margin-bottom: 1rem; }
.faq-btn {
    width: 100%; text-align: left; padding: 1rem 0; background: none; border: none;
    font-size: 1.1rem; font-weight: 600; color: var(--primary); cursor: pointer;
}
.faq-content { display: none; padding-bottom: 1rem; color: var(--text-light); }
.faq-content.active { display: block; }

/* Contact & Forms */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; }
form label { display: block; margin-bottom: 0.5rem; font-weight: 500; }
form input, form select, form textarea {
    width: 100%; padding: 10px; margin-bottom: 1.5rem; border: 1px solid var(--border);
    border-radius: 6px; font-family: inherit;
}
form input:focus, form select:focus, form textarea:focus {
    outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}
.social-links a { margin-right: 15px; color: var(--primary); text-decoration: none; font-weight: bold; }
.social-links a:hover { color: var(--accent); }

/* Alert Messages */
.alert { padding: 1rem; border-radius: 6px; margin-bottom: 1.5rem; }
.alert-success { background-color: #dcfce7; color: #0f5132; }
.alert-error { background-color: #fee2e2; color: #991b1b; }

/* Footer */
.footer { background: var(--primary); color: var(--text-light); padding: 3rem 0; border-top: 1px solid var(--primary-light); }
.footer-links a { color: var(--text-light); text-decoration: none; margin: 0 10px; }
.footer-links a:hover { color: white; }

/* Responsive */
@media (max-width: 768px) {
    .nav-links { display: none; }
    h1 { font-size: 2.25rem; }
    .corporate-flex, .support-flex, .contact-grid { grid-template-columns: 1fr; }
}