/* ── RESET & VARIABLES ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy:        #0d1f2d;
  --teal:        #1a7a7a;
  --teal-light:  #22a5a5;
  --water:       #e8f4f4;
  --white:       #ffffff;
  --grey:        #f5f7f7;
  --text:        #1a2b35;
  --muted:       #5a7080;
  --border:      #d4e0e0;
  --error:       #c0392b;
  --serif:       'Roboto', system-ui, sans-serif;
  --sans:        'Roboto', system-ui, sans-serif;
  --radius:      10px;
  --shadow-sm:   0 2px 8px rgba(13,31,45,0.07);
  --shadow-md:   0 8px 28px rgba(13,31,45,0.12);
  --shadow-lg:   0 20px 50px rgba(13,31,45,0.16);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
}


/* ── NAV (index) ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 5%;
  background: rgba(13, 31, 45, 0.96);
  backdrop-filter: blur(8px);
}

.nav-logo {
  font-family: var(--serif);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.02em;
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  color: rgba(255,255,255,0.75);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--white); }

.nav-cta {
  background: var(--teal);
  color: var(--white) !important;
  padding: 0.55rem 1.4rem;
  border-radius: 999px;
  transition: background 0.2s, box-shadow 0.2s !important;
  box-shadow: 0 2px 12px rgba(26,122,122,0.35);
}

.nav-cta:hover { background: var(--teal-light) !important; box-shadow: 0 4px 18px rgba(26,122,122,0.45) !important; }

/* NAV (booking — static, no backdrop) */
.nav-static {
  position: static;
  background: var(--navy);
  backdrop-filter: none;
}

.nav-back {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: color 0.2s;
}

.nav-back:hover { color: var(--white); }


/* ── HERO ── */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: 0 5%;
  padding-top: 5rem;
  background: var(--navy);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 70% at 85% 40%, rgba(26,122,122,0.28) 0%, transparent 65%),
    radial-gradient(ellipse 50% 50% at 10% 90%, rgba(26,122,122,0.15) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 50% 10%, rgba(26,122,122,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0; right: 0;
  height: 80px;
  background: var(--white);
  clip-path: ellipse(55% 100% at 50% 100%);
  pointer-events: none;
  z-index: 0;
}

.hero-eyebrow {
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--teal-light);
  margin-bottom: 1.4rem;
  opacity: 0;
  animation: fadeUp 0.7s 0.2s forwards;
}

.hero h1 {
  font-family: var(--serif);
  font-size: clamp(2.4rem, 6vw, 5rem);
  font-weight: 900;
  line-height: 1.1;
  color: var(--white);
  max-width: 14ch;
  margin-bottom: 1.8rem;
  opacity: 0;
  animation: fadeUp 0.7s 0.4s forwards;
}

.hero h1 em {
  font-style: normal;
  color: var(--teal-light);
}

.hero p {
  font-size: 1.05rem;
  font-weight: 300;
  color: rgba(255,255,255,0.65);
  max-width: 42ch;
  margin-bottom: 2.8rem;
  opacity: 0;
  animation: fadeUp 0.7s 0.6s forwards;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.7s 0.8s forwards;
}

.btn-primary {
  display: inline-block;
  padding: 0.9rem 2.4rem;
  background: var(--teal);
  color: var(--white);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  border-radius: 999px;
  box-shadow: 0 4px 20px rgba(26,122,122,0.4);
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
}

.btn-primary:hover {
  background: var(--teal-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(26,122,122,0.5);
}

.btn-ghost {
  display: inline-block;
  padding: 0.9rem 2.4rem;
  border: 1.5px solid rgba(255,255,255,0.35);
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  border-radius: 999px;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.btn-ghost:hover {
  border-color: rgba(255,255,255,0.7);
  color: var(--white);
  background: rgba(255,255,255,0.08);
}


.hero-scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 5%;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: rgba(255,255,255,0.35);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0;
  animation: fadeUp 0.7s 1.2s forwards;
  z-index: 1;
}

.hero-scroll::before {
  content: '';
  width: 28px;
  height: 1px;
  background: rgba(255,255,255,0.25);
}


/* ── SECTIONS SHARED ── */
section { padding: 6rem 5%; }

.section-label {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--teal);
  background: rgba(26,122,122,0.1);
  border: 1px solid rgba(26,122,122,0.2);
  padding: 0.3rem 0.9rem;
  border-radius: 999px;
  margin-bottom: 1.2rem;
}

.section-title {
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--navy);
  margin-bottom: 1.5rem;
}

.section-body {
  font-size: 1rem;
  font-weight: 300;
  color: var(--muted);
  max-width: 56ch;
  line-height: 1.8;
}


/* ── ABOUT ── */
.about {
  background: var(--white);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.about-visual {
  position: relative;
  background: var(--water);
  border-radius: 2px;
  overflow: visible;
}

.about-visual::after {
  content: '';
  position: absolute;
  bottom: -1.5rem;
  right: -1.5rem;
  width: 60%;
  height: 60%;
  border: 2px solid var(--teal);
  border-radius: 2px;
  z-index: -1;
}

.about-photo {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 2px;
}

.about-visual-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--teal);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 500;
}

.about-content .section-body { max-width: 100%; }

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 3rem;
  padding-top: 2.5rem;
  border-top: 1px solid rgba(0,0,0,0.08);
}

.stat-value {
  font-family: var(--serif);
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--teal);
  line-height: 1;
}

.stat-label {
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 0.3rem;
  font-weight: 400;
}


/* ── WHY ── */
.why {
  background: var(--grey);
  position: relative;
}

.why::before {
  content: '';
  position: absolute;
  top: -50px;
  left: 0; right: 0;
  height: 50px;
  background: var(--grey);
  clip-path: ellipse(55% 100% at 50% 100%);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3.5rem;
}

.why-card {
  background: var(--white);
  padding: 2.4rem;
  border-radius: var(--radius);
  border-top: 3px solid var(--teal);
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s, box-shadow 0.2s;
}

.why-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.why-icon {
  width: 2.5rem;
  height: 2.5rem;
  margin-bottom: 1.2rem;
  color: var(--teal);
}

.why-card h3 {
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.75rem;
}

.why-card p {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.7;
}


/* ── LEVELS ── */
.levels {
  background: var(--white);
}

.levels-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

.level-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.8rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background: var(--white);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s, transform 0.2s;
}
.level-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.level-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.3rem 0.9rem;
  border-radius: 999px;
  align-self: flex-start;
}
.level-badge--beginner    { background: #e8f4f4; color: var(--teal); }
.level-badge--intermediate { background: #e8f0ff; color: #4a5fbd; }
.level-badge--advanced    { background: #fff0e8; color: #c06020; }

.level-desc {
  font-size: 0.88rem;
  color: #555;
  line-height: 1.65;
  margin: 0;
}

.level-goal {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--navy);
}
.level-goal-label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal);
  background: #e8f4f4;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
}

.level-list {
  margin: 0;
  padding-left: 1.1rem;
  font-size: 0.85rem;
  color: #555;
  line-height: 1.8;
}
.level-list li::marker { color: var(--teal); }

@media (max-width: 900px) {
  .levels-grid { grid-template-columns: 1fr; }
}


/* ── COURSE ── */
.course { background: var(--navy); color: var(--white); }

.course .section-title { color: var(--white); }
.course .section-body { color: rgba(255,255,255,0.55); }

.course-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 5rem;
  align-items: start;
  margin-top: 3.5rem;
}

.course-dates {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.course-dates-header {
  background: var(--teal);
  padding: 1.2rem 1.8rem;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.date-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 1.8rem;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.date-row:last-child { border-bottom: none; }

.date-label {
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--white);
}

.date-badge {
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.3rem 0.8rem;
  border-radius: 2px;
  background: rgba(26,122,122,0.2);
  color: var(--teal-light);
  letter-spacing: 0.06em;
}

.date-badge.full {
  background: rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.3);
}

.course-details { display: flex; flex-direction: column; gap: 2rem; }

.detail-item {
  display: flex;
  gap: 1.2rem;
  align-items: flex-start;
}

.detail-icon {
  width: 2rem;
  height: 2rem;
  flex-shrink: 0;
  margin-top: 0.1rem;
  color: var(--teal-light);
}

.detail-map-link {
  display: flex;
  flex-shrink: 0;
  color: var(--teal-light);
  transition: color 0.2s;
}
.detail-map-link:hover { color: var(--teal); }

.map-link {
  color: var(--teal);
  text-decoration: none;
  transition: opacity 0.2s;
}
.map-link:hover { opacity: 0.75; text-decoration: underline; }

.detail-item h4 {
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 0.25rem;
}

.detail-item p {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.45);
  line-height: 1.6;
}

.course-cta {
  margin-top: 2rem;
  display: inline-block;
  padding: 1rem 2.5rem;
  background: var(--teal);
  color: var(--white);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  border-radius: 999px;
  box-shadow: 0 4px 20px rgba(26,122,122,0.4);
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
}

.course-cta:hover {
  background: var(--teal-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(26,122,122,0.5);
}


/* ── FOOTER ── */
footer {
  background: var(--navy);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 2.5rem 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-logo {
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--white);
  text-decoration: none;
}

.footer-copy {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.3);
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.footer-links a {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.4);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-links a:hover { color: rgba(255,255,255,0.8); }


/* ── BOOKING PAGE ── */
body.booking-page {
  background: var(--grey);
  min-height: 100vh;
}

.page-header {
  background: var(--navy);
  padding: 3.5rem 5% 4rem;
  text-align: center;
}

.page-header p {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--teal-light);
  margin-bottom: 0.8rem;
}

.page-header h1 {
  font-family: var(--serif);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.1;
}

.page-header .subtitle {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.5);
  margin-top: 0.8rem;
  font-weight: 300;
  letter-spacing: 0;
  text-transform: none;
}

.booking-layout {
  max-width: 980px;
  margin: 0 auto;
  padding: 3.5rem 5% 5rem;
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 2.5rem;
  align-items: start;
}

.form-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 2.8rem;
  box-shadow: var(--shadow-md);
}

.form-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.add-child-btn {
  font-family: var(--sans);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--teal);
  background: none;
  border: 1px solid var(--teal);
  border-radius: 4px;
  padding: 0.4rem 0.9rem;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  white-space: nowrap;
}
.add-child-btn:hover { background: var(--teal); color: var(--white); }

.child-block {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.2rem 1.4rem;
  margin-bottom: 1rem;
  background: var(--grey);
}

.child-block-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.child-block-label {
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal);
}

.remove-child-btn {
  background: none;
  border: none;
  color: #aaa;
  font-size: 0.9rem;
  cursor: pointer;
  padding: 0.2rem 0.4rem;
  border-radius: 3px;
  transition: color 0.15s;
}
.remove-child-btn:hover { color: var(--error); }

.form-section-title {
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--navy);
  padding-bottom: 1rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid rgba(0,0,0,0.07);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1.2rem;
}

.field.full { grid-column: 1 / -1; }

label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text);
  letter-spacing: 0.03em;
}

label .required {
  color: var(--teal);
  margin-left: 0.2rem;
}

input:not([type="checkbox"]), select, textarea {
  font-family: var(--sans);
  font-size: 0.95rem;
  font-weight: 300;
  color: var(--text);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 0.7rem 0.9rem;
  width: 100%;
  transition: border-color 0.2s, box-shadow 0.2s;
  appearance: none;
  -webkit-appearance: none;
}

input:not([type="checkbox"]):focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(26,122,122,0.12);
}

input:not([type="checkbox"])::placeholder, textarea::placeholder { color: rgba(90,112,128,0.5); }

select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%235a7080' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.9rem center;
  padding-right: 2.2rem;
  cursor: pointer;
}

textarea { resize: vertical; min-height: 100px; line-height: 1.6; }

.field-hint { font-size: 0.75rem; color: var(--muted); }

.field-error {
  font-size: 0.75rem;
  color: var(--error);
  display: none;
}

input:invalid:not(:placeholder-shown) + .field-error,
select:invalid + .field-error {
  display: block;
}

.agb-box {
  background: #f7fafa;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.2rem 1.4rem;
  margin-bottom: 1.5rem;
}
.agb-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--navy);
  margin: 0 0 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.agb-list {
  margin: 0 0 0.8rem;
  padding-left: 1.2rem;
  font-size: 0.85rem;
  color: #555;
  line-height: 1.7;
}
.agb-list a { color: var(--teal); text-decoration: none; }
.agb-liability {
  margin: 0;
  font-size: 0.8rem;
  color: #777;
  line-height: 1.6;
  border-top: 1px solid var(--border);
  padding-top: 0.8rem;
}

.checkbox-field {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1.2rem;
}

.checkbox-field input[type="checkbox"] {
  width: 1.1rem;
  height: 1.1rem;
  flex-shrink: 0;
  margin-top: 0.15rem;
  accent-color: var(--teal);
  cursor: pointer;
}

.checkbox-field label {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--muted);
  cursor: pointer;
}

.submit-btn {
  width: 100%;
  padding: 1.1rem;
  background: var(--teal);
  color: var(--white);
  border: none;
  border-radius: 999px;
  font-family: var(--sans);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  box-shadow: 0 4px 18px rgba(26,122,122,0.35);
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  margin-top: 0.5rem;
}

.submit-btn:hover { background: var(--teal-light); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(26,122,122,0.45); }
.submit-btn:active { transform: translateY(0); }
.submit-btn:focus-visible { outline: 3px solid var(--teal-light); outline-offset: 2px; }

.submit-btn[disabled] {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.form-note {
  margin-top: 1rem;
  font-size: 0.78rem;
  color: var(--muted);
  text-align: center;
  line-height: 1.6;
}

.sidebar { display: flex; flex-direction: column; gap: 1.5rem; }

.info-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.8rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s;
}

.info-card:hover { box-shadow: var(--shadow-md); }

.info-card h3 {
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid rgba(0,0,0,0.07);
}

.info-row {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.info-row:last-child { margin-bottom: 0; }

.info-icon {
  width: 1.1rem;
  height: 1.1rem;
  flex-shrink: 0;
  margin-top: 0.15rem;
  color: var(--teal);
}

.info-row p {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.5;
}

.info-row strong {
  display: block;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 0.1rem;
}

.invoice-note {
  background: var(--water);
  border-left: 3px solid var(--teal);
  padding: 1rem 1.2rem;
  border-radius: 0 2px 2px 0;
}

.invoice-note p {
  font-size: 0.82rem;
  color: var(--teal);
  line-height: 1.6;
}

.success-message {
  display: none;
  text-align: center;
  padding: 3rem 2rem;
}

.success-message.visible { display: block; }

.success-icon {
  width: 3.5rem;
  height: 3.5rem;
  color: var(--teal);
  margin: 0 auto 1.5rem;
}

.success-message h2 {
  font-family: var(--serif);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.75rem;
}

.success-message p {
  font-size: 0.95rem;
  color: var(--muted);
  max-width: 40ch;
  margin: 0 auto;
  line-height: 1.7;
}

.spam-highlight {
  background: #ffe600;
  color: #1a1a1a;
  padding: 0.05em 0.3em;
  border-radius: 3px;
  font-weight: 700;
  font-style: normal;
}


/* ── ANIMATIONS ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}


/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .about { grid-template-columns: 1fr; }
  .about-visual { max-height: none; }
  .why-grid { grid-template-columns: 1fr 1fr; }
  .course-layout { grid-template-columns: 1fr; gap: 3rem; }
}

@media (max-width: 780px) {
  .booking-layout { grid-template-columns: 1fr; }
  .sidebar { order: -1; }
}

/* ── HAMBURGER BUTTON ── */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  z-index: 200;
}
.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
  transform-origin: center;
}
/* X state */
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── MOBILE DROPDOWN ── */
.nav-mobile {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 99;
  background: rgba(13, 31, 45, 0.98);
  backdrop-filter: blur(10px);
  padding: 5rem 5% 2rem;
  transform: translateY(-100%);
  transition: transform 0.3s ease;
}
.nav-mobile.open {
  transform: translateY(0);
}
.nav-mobile ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.nav-mobile ul li a {
  display: block;
  color: rgba(255,255,255,0.8);
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: color 0.2s;
}
.nav-mobile ul li:last-child a {
  border-bottom: none;
  margin-top: 1.2rem;
  color: var(--teal-light);
  font-weight: 700;
}
.nav-mobile ul li a:hover { color: var(--white); }

@media (max-width: 600px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .nav-mobile { display: block; }
  .why-grid { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 500px) {
  .form-row { grid-template-columns: 1fr; }
  .form-card { padding: 1.8rem; }
}