/* ============================================================
   KinderKurse – Frontend Styles
   Aesthetic: Warm, organic, playful-yet-professional
   Fonts: Fraunces (display) + DM Sans (body)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,600;0,9..144,800;1,9..144,400&family=DM+Sans:wght@300;400;500;600&display=swap');

:root {
  --sand:     #F5EFE0;
  --cream:    #FFFCF5;
  --terra:    #C2674E;
  --terra-dk: #A34F38;
  --green:    #3A7D5E;
  --green-lt: #52B788;
  --slate:    #2E3B4E;
  --slate-lt: #5A6B82;
  --gold:     #D4A84B;
  --radius:   16px;
  --shadow:   0 4px 24px rgba(46,59,78,.10);
  --shadow-lg:0 8px 48px rgba(46,59,78,.15);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--cream);
  color: var(--slate);
  line-height: 1.65;
  font-size: 16px;
}

/* ── Typography ── */
h1,h2,h3,h4 {
  font-family: 'Fraunces', serif;
  line-height: 1.2;
}
h1 { font-size: clamp(2.4rem, 5vw, 4rem); font-weight: 800; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); font-weight: 600; }
h3 { font-size: 1.4rem; font-weight: 600; }
p  { color: var(--slate-lt); }

/* ── Navbar ── */
.navbar {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,252,245,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(194,103,78,.15);
  padding: 1rem 0;
}
.nav-inner {
  max-width: 1200px; margin: 0 auto;
  padding: 0 2rem;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  font-family: 'Fraunces', serif;
  font-size: 1.5rem; font-weight: 800;
  color: var(--terra);
  text-decoration: none;
}
.nav-logo span { color: var(--green); }
.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a {
  text-decoration: none;
  color: var(--slate);
  font-weight: 500;
  font-size: .95rem;
  transition: color .2s;
}
.nav-links a:hover { color: var(--terra); }
.nav-cta {
  background: var(--terra);
  color: #fff !important;
  padding: .5rem 1.25rem;
  border-radius: 50px;
  transition: background .2s, transform .15s !important;
}
.nav-cta:hover { background: var(--terra-dk) !important; transform: translateY(-1px); }

/* ── Hero ── */
.hero {
  min-height: 88vh;
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
  background: var(--sand);
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 80% 20%, rgba(194,103,78,.18) 0%, transparent 70%),
    radial-gradient(ellipse 50% 60% at 10% 80%, rgba(58,125,94,.14) 0%, transparent 70%);
}
.hero-blobs {
  position: absolute; inset: 0; pointer-events: none;
}
.blob {
  position: absolute; border-radius: 50%;
  filter: blur(60px); opacity: .25;
  animation: drift 18s ease-in-out infinite alternate;
}
.blob-1 { width: 500px; height: 500px; background: var(--terra); top: -10%; right: -5%; animation-delay: 0s; }
.blob-2 { width: 400px; height: 400px; background: var(--green); bottom: -5%; left: -5%; animation-delay: -6s; }
.blob-3 { width: 300px; height: 300px; background: var(--gold); top: 40%; left: 30%; animation-delay: -12s; }

@keyframes drift {
  from { transform: translate(0,0) scale(1); }
  to   { transform: translate(30px,20px) scale(1.08); }
}

.hero-content {
  position: relative; z-index: 2;
  max-width: 760px;
  text-align: center;
  padding: 4rem 2rem;
}
.hero-badge {
  display: inline-block;
  background: rgba(194,103,78,.12);
  color: var(--terra);
  font-size: .85rem; font-weight: 600;
  padding: .4rem 1rem;
  border-radius: 50px;
  margin-bottom: 1.5rem;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.hero h1 { color: var(--slate); margin-bottom: 1.25rem; }
.hero h1 em { font-style: italic; color: var(--terra); }
.hero p.lead {
  font-size: 1.2rem;
  color: var(--slate-lt);
  max-width: 560px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}
.hero-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .85rem 2rem;
  border-radius: 50px;
  font-family: 'DM Sans', sans-serif;
  font-weight: 600; font-size: 1rem;
  text-decoration: none;
  cursor: pointer; border: none;
  transition: transform .15s, box-shadow .2s, background .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--terra); color: #fff; box-shadow: 0 4px 20px rgba(194,103,78,.35); }
.btn-primary:hover { background: var(--terra-dk); box-shadow: 0 6px 28px rgba(194,103,78,.45); }
.btn-secondary { background: transparent; color: var(--slate); border: 2px solid var(--slate); }
.btn-secondary:hover { background: var(--slate); color: #fff; }
.btn-green { background: var(--green); color: #fff; box-shadow: 0 4px 20px rgba(58,125,94,.3); }
.btn-green:hover { background: #2e6b4f; }
.btn-sm { padding: .5rem 1.2rem; font-size: .9rem; }

/* ── Section ── */
section { padding: 6rem 2rem; }
.container { max-width: 1200px; margin: 0 auto; }

.section-label {
  font-size: .8rem; font-weight: 600; letter-spacing: .1em;
  text-transform: uppercase; color: var(--terra);
  margin-bottom: .75rem;
}
.section-title { margin-bottom: 1rem; }
.section-subtitle { font-size: 1.1rem; color: var(--slate-lt); max-width: 560px; margin-bottom: 3rem; }

/* ── Cards ── */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
}

.course-card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform .25s, box-shadow .25s;
  display: flex; flex-direction: column;
}
.course-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }

.card-header {
  padding: 2rem 2rem 1.25rem;
  position: relative;
}
.card-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  display: grid; place-items: center;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}
.card-tag {
  font-size: .78rem; font-weight: 600;
  padding: .3rem .75rem;
  border-radius: 50px;
  display: inline-block;
  margin-bottom: .75rem;
}
.course-card h3 { margin-bottom: .5rem; font-size: 1.2rem; }
.course-card p { font-size: .9rem; }

.card-footer {
  padding: 1.25rem 2rem;
  border-top: 1px solid #F0ECE4;
  margin-top: auto;
  display: flex; align-items: center; justify-content: space-between;
}
.age-badge {
  font-size: .82rem; font-weight: 600;
  color: var(--slate-lt);
  background: var(--sand);
  padding: .3rem .75rem;
  border-radius: 50px;
}

/* ── Features Strip ── */
.features { background: var(--slate); color: #fff; padding: 5rem 2rem; }
.features .section-label { color: var(--gold); }
.features .section-title { color: #fff; }
.features .section-subtitle { color: rgba(255,255,255,.6); }
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 2rem;
}
.feature-item {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius);
  padding: 2rem;
  transition: background .2s;
}
.feature-item:hover { background: rgba(255,255,255,.10); }
.feature-icon {
  font-size: 2rem; margin-bottom: 1rem;
}
.feature-item h4 { color: #fff; margin-bottom: .5rem; }
.feature-item p { color: rgba(255,255,255,.55); font-size: .9rem; }

/* ── Booking Form ── */
.booking-page { padding: 4rem 2rem; }
.booking-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 3rem;
  align-items: start;
}
@media (max-width:900px) { .booking-grid { grid-template-columns: 1fr; } }

.form-card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2.5rem;
}
.form-card h3 { margin-bottom: 1.5rem; }

.form-group { margin-bottom: 1.5rem; }
.form-group label {
  display: block;
  font-size: .875rem; font-weight: 600;
  color: var(--slate);
  margin-bottom: .4rem;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: .75rem 1rem;
  border: 2px solid #E8E3DA;
  border-radius: 10px;
  font-family: 'DM Sans', sans-serif;
  font-size: 1rem;
  color: var(--slate);
  background: var(--cream);
  transition: border-color .2s;
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--terra); }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

/* Module selector */
.module-list { list-style: none; }
.module-item {
  display: flex; align-items: flex-start; gap: .75rem;
  background: var(--cream);
  border: 2px solid #E8E3DA;
  border-radius: 12px;
  padding: 1rem 1.25rem;
  margin-bottom: .75rem;
  cursor: pointer;
  transition: border-color .2s, background .2s;
}
.module-item:has(input:checked) {
  border-color: var(--terra);
  background: rgba(194,103,78,.06);
}
.module-item input[type=checkbox] {
  width: 18px; height: 18px;
  accent-color: var(--terra);
  flex-shrink: 0; margin-top: 2px;
}
.module-item .mod-info { flex: 1; }
.module-item .mod-title { font-weight: 600; font-size: .95rem; color: var(--slate); }
.module-item .mod-desc  { font-size: .82rem; color: var(--slate-lt); margin-top: 2px; }
.module-item .mod-price { font-weight: 700; color: var(--terra); white-space: nowrap; }

/* Package cards */
.package-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px,1fr)); gap: 1rem; margin-bottom: 1.5rem; }
.package-card {
  border: 2px solid #E8E3DA;
  border-radius: 12px;
  padding: 1.25rem;
  cursor: pointer;
  transition: border-color .2s, background .2s;
}
.package-card.active {
  border-color: var(--green);
  background: rgba(58,125,94,.06);
}
.package-card h5 { font-size: .95rem; margin-bottom: .4rem; }
.package-card .discount { color: var(--green); font-weight: 700; }

/* Summary sidebar */
.summary-card {
  background: var(--slate);
  color: #fff;
  border-radius: var(--radius);
  padding: 2rem;
  position: sticky; top: 100px;
}
.summary-card h4 { color: #fff; margin-bottom: 1.5rem; }
.summary-line {
  display: flex; justify-content: space-between;
  padding: .5rem 0;
  border-bottom: 1px solid rgba(255,255,255,.1);
  font-size: .9rem;
}
.summary-line:last-of-type { border: none; }
.summary-total {
  display: flex; justify-content: space-between;
  margin-top: 1rem;
  font-weight: 700; font-size: 1.2rem;
  color: #fff;
}
.summary-total span:last-child { color: var(--gold); }

/* ── Alerts ── */
.alert {
  padding: 1rem 1.5rem;
  border-radius: 10px;
  margin-bottom: 1.5rem;
  font-size: .95rem;
}
.alert-error { background: #FDECEA; color: #B00020; border-left: 4px solid #B00020; }
.alert-success { background: #E9F5EE; color: #1E7A40; border-left: 4px solid #1E7A40; }

/* ── Confirmation ── */
.confirmation-hero {
  text-align: center;
  padding: 5rem 2rem;
}
.check-circle {
  width: 80px; height: 80px;
  border-radius: 50%;
  background: var(--green);
  color: #fff;
  font-size: 2.5rem;
  display: grid; place-items: center;
  margin: 0 auto 2rem;
  animation: popIn .4s cubic-bezier(.175,.885,.32,1.275);
}
@keyframes popIn {
  from { transform: scale(0); }
  to   { transform: scale(1); }
}

/* ── Footer ── */
.footer {
  background: var(--slate);
  color: rgba(255,255,255,.6);
  padding: 3rem 2rem;
  text-align: center;
}
.footer a { color: var(--gold); text-decoration: none; }

/* ── Responsive ── */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hero-actions { flex-direction: column; align-items: center; }
  .form-row { grid-template-columns: 1fr; }
}