/* ============================================================
   CampusPrep — Global Stylesheet
   Font: Sora (headings) + DM Sans (body)
   Palette: Green #1D9E75 primary, clean white surfaces
   Loaded on every public-facing page.
   ============================================================ */

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

:root {
  --green:        #1D9E75;
  --green-dark:   #0F6E56;
  --green-light:  #E1F5EE;
  --blue:         #378ADD;
  --red:          #E24B4A;
  --red-light:    #FFF5F5;
  --amber:        #BA7517;
  --amber-light:  #FEF3C7;
  --text-primary: #111;
  --text-muted:   #6B7280;
  --text-light:   #9CA3AF;
  --border:       rgba(0,0,0,0.08);
  --bg:           #ffffff;
  --bg-off:       #F9F9F7;
  --radius-sm:    8px;
  --radius-md:    12px;
  --radius-lg:    16px;
  --shadow-sm:    0 1px 3px rgba(0,0,0,0.06);
  --shadow-md:    0 4px 16px rgba(0,0,0,0.08);
  --font-head:    'Sora', sans-serif;
  --font-body:    'DM Sans', sans-serif;
  --container:    1100px;
  --nav-h:        64px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--text-primary);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
.hero_sub { background-image: url('img1.png');
   background-size: cover; 
   background-position: center;
    background-repeat: no-repeat; 
  }

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

/* ── Container ─────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

/* ── Navbar ─────────────────────────────────────────────── */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.4px;
}

.logo span { color: var(--green); }

.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: color .2s, background .2s;
}

.nav-link:hover { color: var(--text-primary); background: var(--bg-off); }
.nav-link.active { color: var(--green); font-weight: 600; }

.btn-nav {
  font-size: 14px;
  font-weight: 500;
  color: var(--green-dark);
  background: var(--green-light);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  transition: background .2s;
}

.btn-nav:hover { background: #c1e8d6; }

.lang-toggle {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 5px 10px;
  transition: border-color .2s, color .2s;
}

.lang-toggle:hover { color: var(--text-primary); border-color: #aaa; }

/* Hamburger (mobile) */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform .25s, opacity .25s;
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 400px;
  padding: 11px 24px;
  border-radius: var(--radius-md);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all .2s;
  white-space: nowrap;
}

.btn--primary { background: var(--green); color: #fff; border-color: var(--green); }
.btn--primary:hover { background: var(--green-dark); border-color: var(--green-dark); }

.btn--outline { background: transparent; color: var(--text-primary); border-color: var(--border); }
.btn--outline:hover { border-color: #bbb; background: var(--bg-off); }

.btn--danger { background: transparent; color: var(--red); border-color: #FEB2B2; }
.btn--danger:hover { background: var(--red-light); }

.btn--lg { padding: 14px 32px; font-size: 16px; }
.btn--sm { padding: 7px 14px; font-size: 13px; }
.btn--full { width: 90%; }

.btn-group { display: flex; gap: 10px; flex-wrap: wrap; }
.btn-group--center { justify-content: center; }

.btn:disabled { opacity: 0.6; cursor: not-allowed; }

/* ── Badge ───────────────────────────────────────────────── */
.badge {
  display: inline-block;
  background: var(--green-light);
  color: var(--green-dark);
  font-size: 12px;
  font-weight: 500;
  padding: 5px 14px;
  border-radius: 20px;
}

/* ── Sections ────────────────────────────────────────────── */
.section { padding: 64px 0; }
.section-header { margin-bottom: 36px; }

.section-title {
  font-family: var(--font-head);
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 600;
  letter-spacing: -0.3px;
  margin-bottom: 8px;
}

.section-sub { font-size: 15px; color: var(--text-muted); }

/* ── Forms (shared base) ─────────────────────────────────── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.form-group label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text-primary);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  width: 100%;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(29,158,117,0.12);
}

.req { color: var(--green); }

/* ── Error / flash boxes ─────────────────────────────────── */
.error-box {
  background: var(--red-light);
  border: 1px solid #FEB2B2;
  border-radius: var(--radius-md);
  padding: 12px 16px;
  margin-bottom: 16px;
  font-size: 13px;
  color: var(--red);
}
.error-box p + p { margin-top: 4px; }

.success-box {
  background: var(--green-light);
  border: 1px solid #9FE1CB;
  border-radius: var(--radius-md);
  padding: 12px 16px;
  margin-bottom: 16px;
  font-size: 13px;
  color: var(--green-dark);
}

/* ── Footer ──────────────────────────────────────────────── */
.footer {
  background: var(--bg-off);
  border-top: 1px solid var(--border);
  padding: 32px 0;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer__links { display: flex; gap: 20px; flex-wrap: wrap; }
.footer__links a { font-size: 13px; color: var(--text-muted); transition: color .2s; }
.footer__links a:hover { color: var(--text-primary); }

.footer__copy { font-size: 12px; color: var(--text-light); }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 768px) {
  :root { --nav-h: 60px; }

  .hamburger { display: flex; }

  .nav-menu {
    display: none;
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 20px;
    gap: 4px;
    box-shadow: var(--shadow-md);
  }

  .nav-menu.open { display: flex; }

  .nav-link, .btn-nav, .lang-toggle { width: 100%; padding: 10px 12px; }

  .footer__inner { flex-direction: column; text-align: center; }
  .footer__links { justify-content: center; }
}

@media (max-width: 480px) {
  .btn { padding: 10px 18px; font-size: 14px; }
  .btn-group { flex-direction: column; }
  .btn-group .btn { width: 100%; text-align: center; }
  .section { padding: 48px 0; }
}