/* ============================================================
   Captain Kaitlyn Scuba — nautical / scuba / adventure theme
   Palette: abyss navy -> ocean -> lagoon teal, coral CTA, brass
   ============================================================ */

:root {
  --abyss:   #041E2E;
  --deep:    #072B40;
  --ocean:   #0B4A63;
  --lagoon:  #0E7C86;
  --surf:    #19B5A6;
  --aqua:    #7FE3E1;
  --coral:   #FF6B4A;
  --coral-d: #E85432;
  --brass:   #E9B44C;
  --sand:    #F6F1E7;
  --mist:    #EAF4F2;
  --ink:     #0A2A38;
  --ink-soft:#3E5A66;
  --white:   #FFFFFF;

  --font-display: 'Bebas Neue', 'Arial Narrow', Impact, sans-serif;
  --font-body: 'Nunito Sans', 'Segoe UI', system-ui, sans-serif;

  --radius: 14px;
  --shadow: 0 18px 45px rgba(4, 30, 46, .18);
  --shadow-sm: 0 6px 18px rgba(4, 30, 46, .12);
  --maxw: 1160px;
  --nav-h: 72px;
}

/* ---------- reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 16px); }
body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--sand);
  line-height: 1.65;
  font-size: 1.02rem;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--lagoon); text-decoration: none; }
a:hover { color: var(--coral); }
ul { list-style: none; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 400; letter-spacing: .04em; line-height: 1.05; color: var(--deep); }
h1 { font-size: clamp(3rem, 7vw, 5.2rem); }
h2 { font-size: clamp(2.2rem, 4.5vw, 3.4rem); }
h3 { font-size: clamp(1.4rem, 2.4vw, 1.9rem); }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }

/* ---------- kickers / section headers ---------- */
.kicker {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-display); font-size: 1.05rem; letter-spacing: .28em;
  text-transform: uppercase; color: var(--lagoon); margin-bottom: 10px;
}
.kicker::before { content: ""; width: 34px; height: 2px; background: var(--coral); border-radius: 2px; }
.kicker.center { justify-content: center; }
.kicker.center::after { content: ""; width: 34px; height: 2px; background: var(--coral); border-radius: 2px; }
.section { padding: 88px 0; position: relative; }
.section-head { max-width: 720px; margin-bottom: 48px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head p { margin-top: 14px; color: var(--ink-soft); font-size: 1.08rem; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-display); font-size: 1.15rem; letter-spacing: .14em; text-transform: uppercase;
  padding: 15px 30px; border-radius: 999px; border: 2px solid transparent;
  cursor: pointer; transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--coral); color: #fff; box-shadow: 0 10px 26px rgba(255,107,74,.4); }
.btn-primary:hover { background: var(--coral-d); color: #fff; }
.btn-ghost { background: transparent; color: var(--white); border-color: rgba(255,255,255,.65); }
.btn-ghost:hover { background: rgba(255,255,255,.12); color: var(--white); }
.btn-dark { background: var(--deep); color: #fff; }
.btn-dark:hover { background: var(--ocean); color: #fff; }
.btn-sm { padding: 10px 20px; font-size: .95rem; }

/* ---------- nav ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100; height: var(--nav-h);
  display: flex; align-items: center;
  background: rgba(4, 30, 46, .82); backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,.08);
  transition: background .2s ease;
}
.nav.scrolled { background: rgba(4, 30, 46, .96); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; width: 100%; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--white); }
.brand svg { width: 40px; height: 40px; }
.brand-name { font-family: var(--font-display); font-size: 1.5rem; letter-spacing: .1em; line-height: 1.2; color: var(--white); }
.brand-sub { font-size: .68rem; letter-spacing: .22em; text-transform: uppercase; color: var(--aqua); }
.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a { color: rgba(255,255,255,.85); font-size: .92rem; font-weight: 700; letter-spacing: .04em; }
.nav-links a:hover { color: var(--aqua); }
.nav-links .btn { padding: 10px 22px; font-size: 1rem; }
.nav-burger { display: none; background: none; border: 0; color: #fff; font-size: 1.6rem; cursor: pointer; }

/* ---------- hero ---------- */
.hero {
  position: relative; min-height: 100svh; display: flex; align-items: center;
  padding: calc(var(--nav-h) + 40px) 0 90px;
  background: var(--abyss);
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; object-fit: cover; width: 100%; height: 100%; opacity: .55; }
.hero::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(4,30,46,.82) 0%, rgba(4,30,46,.45) 45%, rgba(4,30,46,.9) 100%);
}
.hero .wrap { position: relative; z-index: 2; display: grid; grid-template-columns: 1.25fr .75fr; gap: 48px; align-items: center; }
.hero-kicker {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: .82rem; letter-spacing: .3em; text-transform: uppercase; color: #fff;
  background: rgba(4, 30, 46, .4); border: 1px solid rgba(126, 227, 225, .5);
  padding: 9px 18px; border-radius: 999px; margin-bottom: 22px;
  text-shadow: 0 1px 2px rgba(4, 30, 46, .6);
}
.hero h1 { color: var(--white); margin-bottom: 18px; text-shadow: 0 3px 14px rgba(4, 30, 46, .55); }
.hero h1 .accent { color: var(--coral); }
.hero p.lede { color: rgba(255,255,255,.92); font-size: 1.18rem; max-width: 560px; margin-bottom: 32px; text-shadow: 0 1px 4px rgba(4,30,46,.85); }
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 46px; }
.hero-stats { display: flex; flex-wrap: wrap; gap: 0; border-top: 1px solid rgba(255,255,255,.18); padding-top: 26px; }
.stat { padding-right: 34px; margin-right: 34px; border-right: 1px solid rgba(255,255,255,.18); }
.stat:last-child { border-right: 0; margin-right: 0; padding-right: 0; }
.stat b { display: block; font-family: var(--font-display); font-size: 2.3rem; color: var(--aqua); line-height: 1; }
.stat span { font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; color: rgba(255,255,255,.75); }

.hero-card {
  position: relative; text-align: center;
  background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.18);
  border-radius: 22px; padding: 26px 26px 22px; backdrop-filter: blur(6px);
  box-shadow: var(--shadow);
}
.hero-card img.portrait {
  width: 210px; height: 210px; object-fit: cover; border-radius: 50%;
  border: 4px solid var(--coral); margin: 0 auto 18px;
}
.hero-card .name { font-family: var(--font-display); font-size: 1.9rem; letter-spacing: .08em; color: var(--white); }
.hero-card .role { font-size: .8rem; letter-spacing: .18em; text-transform: uppercase; color: var(--aqua); margin: 4px 0 16px; }
.hero-card .badge-row { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; }
.chip {
  font-size: .72rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase;
  padding: 6px 12px; border-radius: 999px;
  background: rgba(233,180,76,.16); color: var(--brass); border: 1px solid rgba(233,180,76,.45);
}
.chip.teal { background: rgba(126,227,225,.14); color: var(--aqua); border-color: rgba(126,227,225,.4); }

/* ---------- wave divider ---------- */
.wave { display: block; width: 100%; height: 70px; margin-top: -1px; }
.wave.flip { transform: scaleY(-1); margin-top: 0; }
.wave path { fill: var(--sand); }
.wave.dark path { fill: var(--abyss); }

/* ---------- credentials ---------- */
.creds { background: var(--sand); }
.creds-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.cred-card {
  background: var(--white); border-radius: var(--radius); padding: 34px 28px;
  border-top: 4px solid var(--surf); box-shadow: var(--shadow-sm);
  transition: transform .2s ease, box-shadow .2s ease;
}
.cred-card:nth-child(2) { border-top-color: var(--lagoon); }
.cred-card:nth-child(3) { border-top-color: var(--brass); }
.cred-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.cred-card .icon { width: 52px; height: 52px; margin-bottom: 16px; }
.cred-card h3 { margin-bottom: 8px; }
.cred-card .org { font-size: .78rem; letter-spacing: .16em; text-transform: uppercase; color: var(--lagoon); font-weight: 800; margin-bottom: 12px; }
.cred-card p { color: var(--ink-soft); font-size: .97rem; }

/* ---------- about ---------- */
.about { background: var(--white); }
.about-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 56px; align-items: center; }
.about-photo { position: relative; }
.about-photo img { border-radius: var(--radius); box-shadow: var(--shadow); }
.about-photo .tag {
  position: absolute; left: -14px; bottom: 26px; background: var(--coral); color: #fff;
  font-family: var(--font-display); letter-spacing: .12em; font-size: 1rem; text-transform: uppercase;
  padding: 12px 20px; border-radius: 10px; box-shadow: var(--shadow-sm); transform: rotate(-2deg);
}
.about-copy p { margin-bottom: 18px; color: var(--ink-soft); }
.about-copy p strong { color: var(--deep); }
.about-quote {
  margin-top: 26px; background: var(--mist); border-left: 4px solid var(--surf);
  border-radius: 0 var(--radius) var(--radius) 0; padding: 20px 24px;
}
.about-quote p { font-size: 1.05rem; font-style: italic; color: var(--deep); margin: 0 0 8px; }
.about-quote cite { font-size: .82rem; letter-spacing: .1em; text-transform: uppercase; color: var(--lagoon); font-style: normal; font-weight: 800; }

/* ---------- "for everyone" band ---------- */
.everyone { background: var(--abyss); color: var(--white); text-align: center; }
.everyone .kicker { color: var(--aqua); }
.everyone h2 { color: var(--white); }
.everyone p.lede { max-width: 760px; margin: 18px auto 0; color: rgba(255,255,255,.85); font-size: 1.12rem; }
.everyone-icons { display: flex; justify-content: center; gap: 40px; margin-top: 36px; flex-wrap: wrap; }
.everyone-icons .icon-pill {
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  font-size: .82rem; letter-spacing: .14em; text-transform: uppercase; color: rgba(255,255,255,.8);
}
.everyone-icons .icon-pill svg { width: 44px; height: 44px; }
.everyone-icons .icon-pill span { font-family: var(--font-display); font-size: 1.15rem; letter-spacing: .1em; color: var(--aqua); }

/* ---------- courses ---------- */
.courses { background: var(--sand); }
.courses-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.course-card {
  background: var(--white); border-radius: var(--radius); padding: 30px 26px;
  box-shadow: var(--shadow-sm); display: flex; flex-direction: column; gap: 12px;
  border: 1px solid rgba(14,124,134,.12); transition: transform .2s ease, box-shadow .2s ease;
}
.course-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.course-card .icon { width: 44px; height: 44px; }
.course-card h3 { font-size: 1.5rem; }
.course-card p { color: var(--ink-soft); font-size: .96rem; flex: 1; }
.course-card .tag-row { display: flex; gap: 8px; flex-wrap: wrap; }
.course-card .chip { background: rgba(25,181,166,.1); color: var(--lagoon); border-color: rgba(25,181,166,.35); }

/* ---------- testimonials ---------- */
.reviews { background: var(--mist); }
.reviews-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.review-card {
  background: var(--white); border-radius: var(--radius); padding: 28px;
  box-shadow: var(--shadow-sm); position: relative;
}
.review-card::before {
  content: "\201C"; position: absolute; top: 6px; right: 22px;
  font-family: Georgia, serif; font-size: 5rem; line-height: 1; color: rgba(25,181,166,.22);
}
.review-card p { font-size: 1.02rem; color: var(--ink); margin-bottom: 14px; }
.review-card .stars { color: var(--brass); letter-spacing: 2px; margin-bottom: 6px; }
.review-card cite { font-size: .82rem; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-soft); font-style: normal; font-weight: 800; }
.review-note { margin-top: 26px; font-size: .82rem; color: var(--ink-soft); }

/* ---------- gallery ---------- */
.gallery { background: var(--white); }
.gallery-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.g-item {
  position: relative; border-radius: 12px; overflow: hidden; aspect-ratio: 1;
  background: var(--deep); display: block;
}
.g-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.g-item:hover img { transform: scale(1.07); }
.g-item .overlay {
  position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: flex-end;
  padding: 14px; background: linear-gradient(180deg, transparent 40%, rgba(4,30,46,.85));
  opacity: 0; transition: opacity .25s ease; color: #fff;
}
.g-item:hover .overlay { opacity: 1; }
.g-item .overlay .date { font-size: .78rem; letter-spacing: .1em; text-transform: uppercase; color: var(--aqua); }
.g-item .overlay .go { font-family: var(--font-display); font-size: 1.1rem; letter-spacing: .1em; }
.g-item .kind {
  position: absolute; top: 10px; left: 10px; font-size: .66rem; font-weight: 800; letter-spacing: .12em;
  text-transform: uppercase; background: rgba(4,30,46,.75); color: var(--aqua);
  padding: 4px 10px; border-radius: 999px; border: 1px solid rgba(126,227,225,.4);
}
.gallery-cta { display: flex; gap: 14px; justify-content: center; margin-top: 40px; flex-wrap: wrap; }

/* ---------- availability ---------- */
.availability { background: var(--sand); }
.avail-wrap { display: grid; grid-template-columns: 1.15fr .85fr; gap: 40px; align-items: start; }
.calendar { background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow-sm); padding: 26px; }
.cal-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.cal-head h3 { margin: 0; }
.cal-nav { display: flex; gap: 8px; }
.cal-nav button {
  background: var(--mist); border: 1px solid rgba(14,124,134,.25); border-radius: 8px;
  padding: 6px 14px; cursor: pointer; font-weight: 800; color: var(--lagoon); font-size: 1rem;
}
.cal-nav button:hover { background: var(--surf); color: #fff; }
.cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; }
.cal-dow { text-align: center; font-size: .72rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-soft); padding: 6px 0; }
.cal-day {
  aspect-ratio: 1; display: flex; flex-direction: column; align-items: center; justify-content: center;
  border-radius: 10px; font-weight: 800; font-size: .95rem; color: var(--ink);
  background: var(--sand); position: relative;
}
.cal-day.empty { background: transparent; }
.cal-day.past { opacity: .35; }
.cal-day.full { background: var(--surf); color: #fff; }
.cal-day.am { background: #4CC9B8; color: #fff; }
.cal-day.pm { background: var(--brass); color: #fff; }
.cal-day .slot { font-size: .58rem; letter-spacing: .06em; text-transform: uppercase; font-weight: 800; }
.cal-day.today { outline: 2px solid var(--coral); outline-offset: 2px; }
.cal-legend { display: flex; gap: 18px; flex-wrap: wrap; margin-top: 18px; font-size: .82rem; color: var(--ink-soft); }
.cal-legend i { display: inline-block; width: 14px; height: 14px; border-radius: 4px; margin-right: 6px; vertical-align: -2px; }
.avail-side { background: var(--deep); color: var(--white); border-radius: var(--radius); padding: 34px; box-shadow: var(--shadow-sm); }
.avail-side h3 { color: var(--white); margin-bottom: 12px; }
.avail-side p { color: rgba(255,255,255,.82); font-size: .98rem; margin-bottom: 22px; }
.avail-side .btn { width: 100%; justify-content: center; }

/* ---------- contact ---------- */
.contact { background: var(--white); }
.contact-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: start; }
.form-card { background: var(--mist); border-radius: var(--radius); padding: 34px; box-shadow: var(--shadow-sm); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: .82rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; color: var(--lagoon); margin-bottom: 6px; }
.form-group label .req { color: var(--coral); }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 13px 15px; border-radius: 10px; border: 1.5px solid rgba(14,124,134,.25);
  background: var(--white); font: inherit; color: var(--ink); transition: border-color .15s ease, box-shadow .15s ease;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--surf); box-shadow: 0 0 0 4px rgba(25,181,166,.18);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.radio-row { display: flex; gap: 18px; flex-wrap: wrap; }
.radio-row label { display: flex; align-items: center; gap: 7px; font-size: .92rem; font-weight: 700; text-transform: none; letter-spacing: 0; color: var(--ink); margin: 0; cursor: pointer; }
.radio-row input { accent-color: var(--surf); width: 16px; height: 16px; }
.hp-field { position: absolute !important; left: -9999px !important; opacity: 0; height: 0; overflow: hidden; }
.form-status { display: none; margin-top: 16px; padding: 14px 18px; border-radius: 10px; font-weight: 700; font-size: .95rem; }
.form-status.ok { display: block; background: rgba(25,181,166,.14); color: #0B6E63; border: 1px solid rgba(25,181,166,.5); }
.form-status.err { display: block; background: rgba(255,107,74,.12); color: #B43A1D; border: 1px solid rgba(255,107,74,.5); }
.contact-side h3 { margin-bottom: 14px; }
.contact-side p { color: var(--ink-soft); margin-bottom: 18px; }
.contact-side .info-list li { display: flex; gap: 12px; align-items: flex-start; margin-bottom: 14px; color: var(--ink-soft); }
.contact-side .info-list svg { width: 22px; height: 22px; flex-shrink: 0; margin-top: 3px; }
.contact-side .info-list b { color: var(--deep); }

/* ---------- footer ---------- */
.footer { background: var(--abyss); color: rgba(255,255,255,.75); padding: 56px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; margin-bottom: 34px; }
.footer h4 { color: var(--white); font-size: 1.25rem; margin-bottom: 14px; }
.footer .brand { margin-bottom: 14px; }
.footer-links a { display: block; color: rgba(255,255,255,.75); margin-bottom: 9px; font-size: .95rem; }
.footer-links a:hover { color: var(--aqua); }
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  display: flex; align-items: center; justify-content: center; width: 42px; height: 42px;
  border-radius: 50%; border: 1px solid rgba(255,255,255,.25); color: var(--white); transition: all .15s ease;
}
.footer-social a:hover { background: var(--coral); border-color: var(--coral); color: #fff; }
.footer-social svg { width: 20px; height: 20px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); padding-top: 22px; display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; font-size: .85rem; }

/* ---------- reveal animations (progressive enhancement: visible without JS) ---------- */
.reveal { transition: opacity .6s ease, transform .6s ease; }
html.js .reveal { opacity: 0; transform: translateY(26px); }
html.js .reveal.in { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
@media (max-width: 1020px) {
  .hero .wrap { grid-template-columns: 1fr; }
  .hero-card { max-width: 420px; margin: 0 auto; }
  .creds-grid, .courses-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 36px; }
  .about-photo { max-width: 480px; }
  .avail-wrap, .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .nav-links {
    position: fixed; top: var(--nav-h); left: 0; right: 0; flex-direction: column;
    background: var(--deep); padding: 22px; gap: 16px; align-items: flex-start;
    transform: translateY(-130%); transition: transform .25s ease; box-shadow: var(--shadow);
  }
  .nav-links.open { transform: none; }
  .nav-burger { display: block; }
  .creds-grid, .courses-grid, .reviews-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .form-row { grid-template-columns: 1fr; }
  .hero-stats { gap: 18px; }
  .stat { padding-right: 18px; margin-right: 18px; }
  .footer-grid { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
}