/* ================================
   CHEMISTRY COURSE PAGE – COMMON CSS
   File: chemcourse.css
   Applies to ALL individual course pages
   ================================ */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", system-ui, sans-serif;
}

body {
  background: #f4f7fb;
  color: #111;
  line-height: 1.6;
}

/* PAGE WRAPPER */
.course-container {
  width: 100%;
  max-width: none;
  margin: 40px auto;
  padding: 0 16px;
  }


/* COURSE HEADER */
.course-header {
  background: linear-gradient(135deg, #0a1f44, #102d66);
  color: #ffffff;
  padding: 35px 30px;
  border-radius: 14px;
  margin-bottom: 40px;
}

.course-header h1 {
  font-size: 2.2rem;
  margin-bottom: 8px;
}

.course-header p {
  font-size: 1.05rem;
  opacity: 0.9;
}

/* SECTION TITLE */
.section-title {
  margin: 40px 0 15px;
  font-size: 1.4rem;
  color: #0a1f44;
}

/* TABLE WRAPPER */
.table-wrapper {
  width: 100%;
  overflow-x: auto;
  }


/* COMMON TABLE STYLE */
.course-table {
  width: 100%;
  border-collapse: collapse;
  background: #ffffff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 6px 18px rgba(0,0,0,0.08);
  }


/* TABLE HEAD */
.course-table th {
  background: #0a1f44;
  color: #ffffff;
  padding: 14px;
  font-size: 0.95rem;
  text-align: left;
}

/* TABLE BODY */
.course-table td {
  padding: 14px;
  border-bottom: 1px solid #e3e8f1;
  font-size: 0.95rem;
}
.course-table th,
.course-table td {
  vertical-align: middle;
  word-wrap: break-word;
}
.course-table tr:last-child td {
  border-bottom: none;
}

/* LINKS */
.course-table a {
  color: #0a1f44;
  font-weight: 600;
  text-decoration: none;
}

.course-table a:hover {
  text-decoration: underline;
}
.course-table tbody tr:hover {
  background: #f1f6ff;
}

/* FOOTER SPACE */
.page-end-space {
  height: 40px;
  }
@media (max-width: 600px) {

  .course-container {
    margin: 30px auto;
    padding: 0 14px;
  }

  .course-header {
    padding: 24px 18px;
  }

  .course-header h1 {
    font-size: 1.25rem;
  }

  .section-title {
    font-size: 1.15rem;
  }

  .course-table th,
  .course-table td {
    padding: 12px;
    font-size: 0.9rem;
  }
}