/* ============================================================
   Tiny Tadpoles Swim Lessons — Shared Stylesheet
   Colors: Navy #1B3A5C | Teal #2BBCBF | Light Teal #A8DCDD
           Aqua BG #E8F6F7 | Yellow #F5C53C | White #FFFFFF
   ============================================================ */

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy:      #1B3A5C;
  --teal:      #2BBCBF;
  --teal-dark: #1E9EA1;
  --teal-light:#A8DCDD;
  --aqua-bg:   #E8F6F7;
  --yellow:    #F5C53C;
  --yellow-dk: #D4A820;
  --white:     #FFFFFF;
  --gray-light:#F4F8F9;
  --gray-mid:  #6B8A9A;
  --text:      #1B3A5C;
  --radius:    12px;
  --radius-lg: 24px;
  --shadow:    0 4px 20px rgba(27,58,92,.12);
  --shadow-sm: 0 2px 8px rgba(27,58,92,.10);
  --transition: .25s ease;
  --font: 'Nunito', 'Segoe UI', Arial, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
  font-size: 16px;
}

img { max-width: 100%; height: auto; display: block; }
a  { color: var(--teal-dark); text-decoration: none; }
a:hover { color: var(--teal); }
ul { list-style: none; }

/* ---------- Typography ---------- */
h1,h2,h3,h4 { line-height: 1.25; font-weight: 800; }
h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.2rem); }
h3 { font-size: 1.2rem; }
p  { max-width: 68ch; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: .75rem 1.75rem;
  border-radius: 50px;
  font-weight: 800;
  font-size: 1rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  text-align: center;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 6px 18px rgba(27,58,92,.18); }
.btn:active{ transform: translateY(0); }

.btn-primary {
  background: var(--yellow);
  color: var(--navy);
  border-color: var(--yellow);
}
.btn-primary:hover { background: var(--yellow-dk); border-color: var(--yellow-dk); color: var(--navy); }

.btn-secondary {
  background: var(--teal);
  color: var(--white);
  border-color: var(--teal);
}
.btn-secondary:hover { background: var(--teal-dark); border-color: var(--teal-dark); color: var(--white); }

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
}
.btn-outline:hover { background: var(--white); color: var(--navy); }

.btn-lg { padding: 1rem 2.5rem; font-size: 1.1rem; }

/* ---------- Layout Helpers ---------- */
.container { width: 90%; max-width: 1100px; margin: 0 auto; }
.section { padding: 72px 0; }
.section-sm { padding: 48px 0; }
.text-center { text-align: center; }
.text-center p { margin-left: auto; margin-right: auto; }

.section-label {
  display: inline-block;
  font-size: .8rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: .5rem;
}
.section-title { color: var(--navy); margin-bottom: 1rem; }
.section-subtitle { color: var(--gray-mid); margin-bottom: 2.5rem; font-size: 1.05rem; }

/* ---------- Navigation ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--white);
  box-shadow: 0 2px 12px rgba(27,58,92,.10);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--navy);
  text-decoration: none;
  flex-shrink: 0;
}
.nav-logo span { color: var(--teal); }
.nav-logo svg { width: 36px; height: 36px; flex-shrink: 0; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}
.nav-links a {
  font-weight: 700;
  color: var(--navy);
  font-size: .95rem;
  transition: color var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0; right: 0;
  height: 2px;
  background: var(--teal);
  transform: scaleX(0);
  transition: transform var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--teal); }
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }
.nav-links a.active::after { background: var(--teal); }

.nav-cta { margin-left: .5rem; }

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  border-radius: 6px;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2.5px;
  background: var(--navy);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(160deg, var(--navy) 0%, #1e5278 60%, var(--teal-dark) 100%);
  color: var(--white);
  padding: 90px 0 0;
  position: relative;
  overflow: hidden;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 640px;
}
.hero-eyebrow {
  display: inline-block;
  background: rgba(255,255,255,.15);
  color: var(--yellow);
  font-weight: 800;
  font-size: .8rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: .3rem .9rem;
  border-radius: 50px;
  margin-bottom: 1.25rem;
}
.hero h1 { color: var(--white); margin-bottom: 1.1rem; }
.hero h1 span { color: var(--yellow); }
.hero-sub { font-size: 1.15rem; color: rgba(255,255,255,.88); margin-bottom: 2.25rem; max-width: 52ch; }
.hero-btns { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 3.5rem; }

/* Bubbles decoration */
.bubbles {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  overflow: hidden;
}
.bubble {
  position: absolute;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
}
.bubble-1  { width:80px;  height:80px;  top:10%; right:12%; animation: float 6s ease-in-out infinite; }
.bubble-2  { width:40px;  height:40px;  top:35%; right:28%; animation: float 8s ease-in-out infinite .5s; }
.bubble-3  { width:120px; height:120px; top:5%;  right:30%; animation: float 7s ease-in-out infinite 1s; }
.bubble-4  { width:20px;  height:20px;  top:55%; right:18%; animation: float 5s ease-in-out infinite 1.5s; }
.bubble-5  { width:60px;  height:60px;  top:20%; right:8%;  animation: float 9s ease-in-out infinite 2s; }
@keyframes float { 0%,100%{ transform:translateY(0); } 50%{ transform:translateY(-16px); } }

/* Wave divider */
.wave-divider { display:block; width:100%; line-height:0; margin-top:-1px; }

/* ---------- Cards ---------- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.75rem;
}
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover { transform: translateY(-4px); box-shadow: 0 8px 28px rgba(27,58,92,.16); }

.card-icon {
  width: 56px; height: 56px;
  background: var(--aqua-bg);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.25rem;
  font-size: 1.6rem;
}
.card h3 { color: var(--navy); margin-bottom: .5rem; }
.card p  { color: var(--gray-mid); font-size: .95rem; }

/* ---------- Steps ---------- */
.steps { display: flex; gap: 0; flex-wrap: wrap; }
.step {
  flex: 1 1 200px;
  text-align: center;
  padding: 2rem 1.5rem;
  position: relative;
}
.step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 42px; right: -1px;
  width: 2px; height: 36px;
  background: var(--teal-light);
}
.step-num {
  width: 52px; height: 52px;
  border-radius: 50%;
  background: var(--navy);
  color: var(--white);
  font-weight: 800;
  font-size: 1.2rem;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1rem;
}
.step h3 { color: var(--navy); margin-bottom: .4rem; font-size: 1rem; }
.step p  { color: var(--gray-mid); font-size: .9rem; }

/* ---------- Highlight Strip ---------- */
.highlight-strip {
  background: var(--navy);
  color: var(--white);
  padding: 48px 0;
}
.highlights {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  text-align: center;
}
.highlight-item .hi-icon { font-size: 2rem; margin-bottom: .6rem; }
.highlight-item strong { display:block; font-size: 1.05rem; font-weight:800; margin-bottom:.3rem; }
.highlight-item p { color: rgba(255,255,255,.75); font-size:.9rem; max-width:22ch; margin:0 auto; }

/* ---------- CTA Banner ---------- */
.cta-banner {
  background: linear-gradient(135deg, var(--teal) 0%, var(--teal-dark) 100%);
  color: var(--white);
  padding: 72px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-banner h2 { color: var(--white); margin-bottom: .75rem; }
.cta-banner p  { color: rgba(255,255,255,.88); margin: 0 auto 2rem; font-size:1.05rem; }
.cta-banner .btn-primary { font-size: 1.1rem; padding: 1rem 2.5rem; }

/* ---------- About Page ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: start;
}
.photo-placeholder {
  border-radius: var(--radius-lg);
  background: var(--aqua-bg);
  min-height: 420px;
  display: flex; flex-direction:column;
  align-items: center; justify-content: center;
  gap: 1rem;
  border: 3px dashed var(--teal-light);
  color: var(--gray-mid);
  font-weight: 700;
  text-align: center;
  padding: 2rem;
}
.photo-placeholder .ph-icon { font-size: 3.5rem; }
.photo-placeholder small { font-size:.85rem; font-weight:400; max-width: 22ch; }

.certs { display:flex; flex-wrap:wrap; gap:.75rem; margin-top: 1.25rem; }
.cert-badge {
  display:inline-flex; align-items:center; gap:.4rem;
  background: var(--aqua-bg);
  border: 1.5px solid var(--teal-light);
  color: var(--teal-dark);
  font-weight: 700;
  font-size: .85rem;
  padding: .35rem .9rem;
  border-radius: 50px;
}

/* ---------- Lessons Page ---------- */
.lessons-intro { background: var(--aqua-bg); }
.lesson-feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  padding: 56px 0;
  border-bottom: 1px solid #ddeef0;
}
.lesson-feature:last-child { border-bottom: none; }
.lesson-feature.flip { direction: rtl; }
.lesson-feature.flip > * { direction: ltr; }
.feature-visual {
  border-radius: var(--radius-lg);
  background: var(--aqua-bg);
  min-height: 300px;
  display: flex; align-items: center; justify-content: center;
  font-size: 5rem;
}
.lesson-feature h3 { font-size: 1.4rem; color: var(--navy); margin-bottom: .75rem; }
.lesson-feature p  { color: var(--gray-mid); }
.check-list { margin-top: 1rem; display:flex; flex-direction:column; gap:.4rem; }
.check-list li { display:flex; align-items:flex-start; gap:.5rem; color: var(--gray-mid); font-size:.95rem; }
.check-list li::before { content:'✓'; color:var(--teal); font-weight:800; flex-shrink:0; margin-top:.05rem; }

.levels-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-top: 2.5rem;
}
.level-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.75rem;
  border-top: 4px solid var(--teal);
  box-shadow: var(--shadow-sm);
}
.level-card h3 { color: var(--navy); margin-bottom: .5rem; font-size: 1.05rem; }
.level-card p  { color: var(--gray-mid); font-size: .9rem; }

/* ---------- Quote Form Page ---------- */
.quote-hero {
  background: linear-gradient(160deg, var(--navy) 0%, #1e5278 100%);
  color: var(--white);
  padding: 64px 0 80px;
  text-align: center;
}
.quote-hero h1 { color: var(--white); margin-bottom: .75rem; }
.quote-hero p  { color: rgba(255,255,255,.85); margin: 0 auto; max-width: 50ch; font-size:1.05rem; }

.form-wrapper {
  max-width: 720px;
  margin: -48px auto 72px;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 40px rgba(27,58,92,.14);
  padding: 2.75rem 3rem;
  position: relative;
  z-index: 2;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: .4rem;
  margin-bottom: 1.25rem;
}
.form-group.full { grid-column: 1 / -1; }

label {
  font-weight: 700;
  font-size: .9rem;
  color: var(--navy);
}
label .req { color: var(--teal); margin-left: 2px; }

input, select, textarea {
  font-family: var(--font);
  font-size: .97rem;
  color: var(--text);
  background: var(--gray-light);
  border: 2px solid #dde8ec;
  border-radius: var(--radius);
  padding: .7rem 1rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(43,188,191,.15);
  background: var(--white);
}
textarea { resize: vertical; min-height: 110px; }

.radio-group { display:flex; gap:1.25rem; flex-wrap:wrap; margin-top:.25rem; }
.radio-option { display:flex; align-items:center; gap:.5rem; cursor:pointer; font-weight:600; font-size:.95rem; }
.radio-option input[type=radio] { width:18px; height:18px; accent-color: var(--teal); cursor:pointer; }

.form-divider {
  border: none;
  border-top: 2px solid var(--aqua-bg);
  margin: 1.75rem 0;
}
.form-section-title {
  font-size: .8rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 1.25rem;
}

.submit-btn-wrap { margin-top: 1.75rem; text-align: center; }
.submit-btn-wrap .btn { width: 100%; font-size: 1.1rem; padding: 1rem; }

/* Success message */
.success-msg {
  display: none;
  background: #e6f9f1;
  border: 2px solid #4ec99a;
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
  margin-top: 1.5rem;
}
.success-msg .sm-icon { font-size: 2.5rem; margin-bottom: .5rem; }
.success-msg h3 { color: #1a7a50; margin-bottom: .4rem; }
.success-msg p  { color: #2a7a58; max-width: none; font-size: .95rem; }

/* Formspree comment notice */
.formspree-note {
  background: #fffbea;
  border-left: 4px solid var(--yellow);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
  font-size: .85rem;
  color: #6b5a1a;
}

/* ---------- Contact Page ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}
.contact-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.5rem;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  margin-bottom: 1.25rem;
}
.contact-item .ci-icon {
  width: 48px; height: 48px; flex-shrink: 0;
  background: var(--aqua-bg);
  border-radius: 12px;
  display:flex; align-items:center; justify-content:center;
  font-size: 1.4rem;
}
.contact-item h3 { font-size: 1rem; color: var(--navy); margin-bottom: .25rem; }
.contact-item p, .contact-item a { color: var(--gray-mid); font-size:.95rem; }
.contact-item a:hover { color: var(--teal); }

/* ---------- Footer ---------- */
.footer {
  background: var(--navy);
  color: rgba(255,255,255,.75);
  padding: 52px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}
.footer-brand p { font-size:.9rem; margin-top:.75rem; max-width: 30ch; }
.footer-logo { font-weight:800; font-size:1.15rem; color: var(--white); display:flex; align-items:center; gap:.4rem; }
.footer-logo span { color: var(--teal); }

.footer h4 { color:var(--white); font-size:.85rem; letter-spacing:.1em; text-transform:uppercase; margin-bottom:1rem; }
.footer ul li { margin-bottom:.5rem; }
.footer ul li a { color:rgba(255,255,255,.7); font-size:.9rem; transition:color var(--transition); }
.footer ul li a:hover { color:var(--teal); }

.footer-contact li { display:flex; align-items:center; gap:.5rem; font-size:.9rem; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.12);
  padding-top: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: .82rem;
}
.footer-bottom a { color: var(--yellow); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .lesson-feature { grid-template-columns: 1fr; }
  .lesson-feature.flip { direction: ltr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 700px) {
  .nav-links {
    display: none;
    position: fixed;
    inset: 68px 0 0;
    background: var(--white);
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    gap: 0;
    padding-top: 2rem;
    box-shadow: var(--shadow);
    z-index: 999;
  }
  .nav-links.open { display: flex; }
  .nav-links a {
    padding: .9rem 2rem;
    font-size: 1.1rem;
    width: 100%;
    text-align: center;
    border-bottom: 1px solid var(--aqua-bg);
  }
  .nav-links a::after { display: none; }
  .nav-cta { margin: 1.25rem 1.5rem 0; }
  .nav-cta .btn { width: 100%; }
  .nav-toggle { display: flex; }

  .hero { padding: 60px 0 0; }
  .hero-btns { flex-direction: column; }
  .hero-btns .btn { width: 100%; text-align: center; }

  .step:not(:last-child)::after { display: none; }
  .steps { flex-direction: column; gap: 0; }

  .form-wrapper { padding: 1.75rem 1.25rem; margin: -32px 1rem 56px; }
  .form-row { grid-template-columns: 1fr; }
  .form-group.full { grid-column: auto; }

  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .section { padding: 52px 0; }
  .highlight-strip { padding: 36px 0; }
  h2 { font-size: 1.5rem; }
}