/* =========================================================
   Confident Speaker Coach - Learning Platform Stylesheet
   "Premium Navy & Gold" design system.

   PLACEHOLDER VALUES: the exact hex codes, font stack, and
   spacing scale below are placeholders. Replace the CSS
   variables in :root with your real brand values from
   confidentspeakercoach.com and every page updates at once.
   ========================================================= */

:root {
    --csc-navy-900: #0A1F44;
    --csc-navy-700: #14294F;
    --csc-navy-500: #1E3A66;
    --csc-gold-500: #C9A227;
    --csc-gold-400: #D9B84A;
    --csc-cream:    #F7F5F0;
    --csc-white:    #FFFFFF;
    --csc-gray-600: #5B6472;
    --csc-gray-200: #E4E6EA;
    --csc-error:    #B3261E;
    --csc-success:  #1E7A34;

    --csc-font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --csc-font-heading: Georgia, "Times New Roman", serif;

    --csc-radius: 8px;
    --csc-shadow: 0 4px 16px rgba(10, 31, 68, 0.12);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: var(--csc-font-body);
    background: var(--csc-cream);
    color: var(--csc-navy-900);
    line-height: 1.5;
}

h1, h2, h3 {
    font-family: var(--csc-font-heading);
    color: var(--csc-navy-900);
    margin-top: 0;
}

a { color: var(--csc-navy-500); }

.csc-header {
    background: var(--csc-navy-900);
    color: var(--csc-white);
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.csc-header .brand {
    color: var(--csc-gold-500);
    font-family: var(--csc-font-heading);
    font-size: 1.25rem;
    text-decoration: none;
    font-weight: bold;
}

.csc-header nav a {
    color: var(--csc-white);
    text-decoration: none;
    margin-left: 20px;
    font-size: 0.95rem;
}

.csc-header nav a:hover { color: var(--csc-gold-400); }

.csc-container {
    max-width: 960px;
    margin: 0 auto;
    padding: 40px 20px;
}

.csc-card {
    background: var(--csc-white);
    border-radius: var(--csc-radius);
    box-shadow: var(--csc-shadow);
    padding: 32px;
    margin-bottom: 24px;
}

.csc-form label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    font-size: 0.9rem;
}

.csc-form input[type="text"],
.csc-form input[type="email"],
.csc-form input[type="password"] {
    width: 100%;
    padding: 12px;
    margin-bottom: 18px;
    border: 1px solid var(--csc-gray-200);
    border-radius: var(--csc-radius);
    font-size: 1rem;
}

.csc-btn {
    display: inline-block;
    background: var(--csc-gold-500);
    color: var(--csc-navy-900);
    border: none;
    padding: 12px 28px;
    border-radius: var(--csc-radius);
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    text-decoration: none;
}

.csc-btn:hover { background: var(--csc-gold-400); }

.csc-btn-secondary {
    background: transparent;
    color: var(--csc-navy-500);
    border: 1px solid var(--csc-navy-500);
}

.csc-alert {
    padding: 14px 18px;
    border-radius: var(--csc-radius);
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.csc-alert-error   { background: #FBE9E7; color: var(--csc-error); border: 1px solid var(--csc-error); }
.csc-alert-success { background: #E8F5E9; color: var(--csc-success); border: 1px solid var(--csc-success); }

.csc-course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
}

.csc-course-card {
    background: var(--csc-white);
    border-radius: var(--csc-radius);
    box-shadow: var(--csc-shadow);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.csc-course-card .body { padding: 20px; flex-grow: 1; }
.csc-course-card .footer { padding: 0 20px 20px; }

.csc-footer {
    text-align: center;
    padding: 24px;
    color: var(--csc-gray-600);
    font-size: 0.85rem;
}

@media (max-width: 600px) {
    .csc-header { flex-direction: column; align-items: flex-start; gap: 10px; }
    .csc-header nav a { margin-left: 0; margin-right: 16px; }
}