/* =========================
   Brand Colour Variables
   ========================= */
:root {
  --pearl-white: #F8F4EC;
  --eggshell: #EFE8D8;
  --lotion: #FFFDFA;
  --cultured: #F6F4F5;
  --navy-blue: #0E2B50;
  --gold: #D4AF37;
}

/* =========================
   Logo Styles
   ========================= */
.logo {
  width: 90px;                 /* Default logo size for desktop */
  height: auto;
  display: block;
  margin: 0 auto 0.5rem auto;  /* Center logo with space below */
  max-width: 90vw;             /* Prevents logo from being too wide on mobile */
}

/* Logo size tweaks for mobile */
@media (max-width: 700px) {
  .logo {
    width: 60px;               /* Smaller logo for mobile */
    margin-bottom: 0.2rem;
    max-width: 70vw;
  }
}

/* =========================
   Global Styles
   ========================= */
body {
  font-family: 'Albert Sans', Arial, sans-serif; /* Main site font */
  background-color: var(--lotion);               /* Soft, clean background */
  color: var(--navy-blue);                       /* Main text color */
  margin: 0;
  padding: 0;
  line-height: 1.6;
}

/* Header and Footer Styles (shared) */
header, footer {
  text-align: center;
  padding: 1.5rem 1rem;
}

/* Header Styles */
header {
  background-color: var(--pearl-white);          /* Subtle header background */
  border-bottom: 3px solid var(--gold);          /* Gold accent underline */
  margin-bottom: 1rem;
}

header h1 {
  font-family: 'Sansation', 'Albert Sans', Arial, sans-serif; /* Logo font */
  font-size: 2.4rem;
  margin: 0.2rem 0 0.5rem 0;
  letter-spacing: 1px;
  color: var(--navy-blue);
}

header p {
  margin: 0;
  font-weight: 400;
  color: var(--navy-blue);
}

/* =========================
   Courses Container (Grid Layout)
   ========================= */
#courses-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); /* Responsive columns */
  gap: 1.5rem;
  padding: 2rem 1rem;
}

/* =========================
   Course Card Styling
   ========================= */
.course-card {
  background-color: var(--cultured);
  border: 1.5px solid var(--eggshell);
  border-radius: 12px;
  padding: 1.5rem 1.2rem;
  box-shadow: 0 2px 8px rgba(14, 43, 80, 0.04); /* Subtle shadow */
  transition: transform 0.18s cubic-bezier(.4,0,.2,1), box-shadow 0.18s cubic-bezier(.4,0,.2,1);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

/* Card hover effect for interactivity */
.course-card:hover {
  transform: translateY(-4px) scale(1.012);
  box-shadow: 0 4px 16px rgba(14, 43, 80, 0.10);
  border-color: var(--gold); /* Highlight border on hover */
}

/* Card Title */
.course-card h2 {
  font-family: 'Sansation', 'Albert Sans', Arial, sans-serif;
  margin: 0 0 0.4rem 0;
  font-size: 1.18rem;
  color: var(--navy-blue);
  letter-spacing: 0.5px;
}

/* Card Info */
.course-card p {
  font-size: 1rem;
  color: #333;
  margin: 0 0 1rem 0;
  flex-grow: 1;                /* So button/link always at the bottom */
}

/* Card Link/Button */
.course-card a {
  display: inline-block;
  margin-top: 0.7rem;
  padding: 0.5rem 1.2rem;
  background: none;
  border: 2px solid var(--gold);
  border-radius: 6px;
  color: var(--gold);
  font-weight: 600;
  text-decoration: none;
  letter-spacing: 0.5px;
  transition: background 0.16s, color 0.16s;
}

/* Link/Button hover state */
.course-card a:hover, .course-card a:focus {
  background: var(--gold);
  color: var(--navy-blue);
  outline: none;
  text-decoration: none;
}

/* =========================
   Footer Styling
   ========================= */
footer {
  background-color: var(--eggshell);
  font-size: 1rem;
  margin-top: 2rem;
  color: var(--navy-blue);
  border-top: 1.5px solid var(--gold);
  letter-spacing: 0.3px;
}

/* =========================
   Responsive Tweaks for Mobile
   ========================= */
@media (max-width: 700px) {
  header h1 {
    font-size: 1.7rem; /* Smaller heading on mobile */
  }
  #courses-container {
    grid-template-columns: 1fr;        /* Cards stack vertically */
    padding: 1rem 0.5rem;
    gap: 0.6rem;                       /* Less space between cards */
  }
  .course-card {
    padding: 1.1rem 0.8rem;            /* Less padding inside card */
    font-size: 0.89rem;
  }
  .course-card h2 {
    font-size: 0.99rem;
    margin-bottom: 0.2rem;
  }
  .course-card p {
    font-size: 0.88rem;
    margin-bottom: 0.4rem;
  }
  .course-card a {
    font-size: 0.92rem;
    padding: 0.3rem 0.6rem;
    margin-top: 0.2rem;
  }
}

/* =========================
   Course Detail Page Styles
   ========================= */
.course-detail-card {
  background: var(--cultured);
  border: 2px solid var(--gold);
  border-radius: 14px;
  padding: 2rem 1.2rem;
  margin: 2rem auto;
  max-width: 560px;
  box-shadow: 0 6px 18px rgba(14, 43, 80, 0.08);
}

/* Detail page title */
.course-detail-card h2 {
  font-family: 'Sansation', 'Albert Sans', Arial, sans-serif;
  color: var(--navy-blue);
  margin-top: 0;
}

/* Detail page link */
.course-detail-card a {
  color: var(--gold);
  font-weight: bold;
  text-decoration: none;
  border-bottom: 1.5px solid var(--gold);
  transition: color 0.15s, border 0.15s;
}
.course-detail-card a:hover {
  color: var(--navy-blue);
  border-bottom: 1.5px solid var(--navy-blue);
}