/* ============================================================
   COASTAL AQUATICS SWIM ACADEMY
   Bespoke "premium coastal" design system. Navy + aqua brand.
   ============================================================ */

:root{
  --navy:#0e3a5b;
  --navy-deep:#0a2c46;
  --ink:#0c2536;
  --aqua:#15a3cf;
  --aqua-bright:#22c3e6;
  --aqua-soft:#e3f4fa;
  --sun:#ffc62e;
  --sun-deep:#f2a900;
  --paper:#f4fbfd;
  --white:#ffffff;
  --muted:#56707f;
  --line:#dcebf1;
  --shadow:0 18px 44px rgba(14,58,91,.12);
  --shadow-sm:0 8px 22px rgba(14,58,91,.10);
  --r:18px;
  --maxw:1180px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Hanken Grotesk',system-ui,-apple-system,sans-serif;
  background:var(--paper);color:var(--ink);line-height:1.65;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:'Plus Jakarta Sans',system-ui,sans-serif;font-weight:700;line-height:1.12;letter-spacing:-.02em}

.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  font-family:'Hanken Grotesk',sans-serif;font-weight:700;font-size:15px;
  padding:13px 22px;border-radius:999px;border:1.5px solid transparent;
  cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease;
  white-space:nowrap;
}
.btn-lg{padding:16px 28px;font-size:16px}
.btn-block{width:100%}
.btn-primary{background:var(--sun);color:var(--navy);box-shadow:0 10px 24px rgba(242,169,0,.34)}
.btn-primary:hover{background:var(--sun-deep);transform:translateY(-2px);box-shadow:0 14px 30px rgba(242,169,0,.45)}
.btn-ghost-light{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.5);backdrop-filter:blur(4px)}
.btn-ghost-light:hover{background:rgba(255,255,255,.22);transform:translateY(-2px)}

/* ---------- Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:50;
  padding:14px 0;transition:background .25s ease,box-shadow .25s ease,padding .25s ease;
}
.site-header.scrolled{background:rgba(255,255,255,.92);backdrop-filter:blur(10px);box-shadow:0 4px 20px rgba(14,58,91,.08);padding:9px 0}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand{display:inline-flex;align-items:center;gap:11px}
.brand-mark{display:inline-flex;filter:drop-shadow(0 4px 10px rgba(14,58,91,.25))}
.brand-mark img{display:block;width:46px;height:46px;border-radius:50%;object-fit:cover}
.brand-name{font-family:'Plus Jakarta Sans',system-ui,sans-serif;font-weight:700;font-size:18px;line-height:1.05;color:#fff;display:flex;flex-direction:column;gap:5px;letter-spacing:-.01em}
.brand-name small{font-family:'Hanken Grotesk',sans-serif;font-weight:600;font-size:9.5px;letter-spacing:2px;text-transform:uppercase;color:var(--aqua-bright);opacity:.95;line-height:1}
.scrolled .brand-name{color:var(--navy)}
.scrolled .brand-name small{color:var(--aqua)}
.nav{display:flex;align-items:center;gap:26px}
.nav>a:not(.btn){font-weight:600;font-size:15px;color:#fff;opacity:.92;transition:opacity .15s,color .15s}
.nav>a:not(.btn):hover{opacity:1}
.scrolled .nav>a:not(.btn){color:var(--ink)}
.nav-cta{padding:11px 18px;font-size:14px}
.menu-toggle{display:none;flex-direction:column;gap:5px;width:44px;height:40px;align-items:center;justify-content:center;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.4);border-radius:11px;cursor:pointer}
.menu-toggle span{width:20px;height:2px;background:#fff;border-radius:2px;transition:.2s}
.scrolled .menu-toggle{background:var(--aqua-soft);border-color:var(--line)}
.scrolled .menu-toggle span{background:var(--navy)}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:660px;display:flex;align-items:center;color:#fff;padding:140px 0 120px;overflow:hidden}
.hero-bg{position:absolute;inset:0;background:#0e3a5b url('../assets/img/hero.jpg') center 30%/cover no-repeat;transform:scale(1.03)}
.hero-tint{position:absolute;inset:0;
  background:
    radial-gradient(85% 80% at 88% 24%,rgba(34,195,230,.20),transparent 60%),
    linear-gradient(95deg,rgba(7,30,49,.84) 0%,rgba(7,30,49,.66) 40%,rgba(7,30,49,.34) 74%,rgba(7,30,49,.22) 100%),
    linear-gradient(180deg,rgba(9,38,62,.48) 0%,rgba(9,38,62,.42) 44%,rgba(9,38,62,.82) 100%);
}
.hero-inner{position:relative;z-index:2;max-width:780px}
.eyebrow{display:inline-block;font-family:'Hanken Grotesk',sans-serif;font-weight:700;font-size:12px;letter-spacing:2.5px;text-transform:uppercase;color:var(--aqua);background:var(--aqua-soft);padding:7px 15px;border-radius:999px;margin-bottom:18px}
.eyebrow.light{color:#fff;background:rgba(255,255,255,.16);backdrop-filter:blur(4px)}
.hero h1{font-size:clamp(40px,8vw,74px);font-weight:800;letter-spacing:-.025em;text-shadow:0 4px 30px rgba(8,30,48,.35)}
.hero h1 .hl{color:var(--aqua-bright)}
.hero-sub{font-size:clamp(17px,2.4vw,21px);max-width:600px;margin:20px 0 30px;color:rgba(255,255,255,.94);font-weight:400}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-chips{list-style:none;display:flex;flex-wrap:wrap;gap:10px;margin-top:34px}
.hero-chips li{font-size:13.5px;font-weight:600;padding:8px 15px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.28);backdrop-filter:blur(4px)}
.hero-chips li::before{content:"✓";color:var(--aqua-bright);font-weight:800;margin-right:7px}

.wave-divider{position:absolute;left:0;right:0;line-height:0;z-index:3}
.wave-divider svg{width:100%;height:auto;display:block}
.wave-hero{bottom:-1px}
.wave-hero svg{height:90px}

/* ---------- Trust strip ---------- */
.strip{background:var(--white);border-bottom:1px solid var(--line);overflow:hidden;padding:16px 0}
.strip-track{display:flex;align-items:center;gap:30px;white-space:nowrap;width:max-content;animation:marquee 26s linear infinite}
.strip-track span{font-family:'Plus Jakarta Sans',system-ui,sans-serif;font-size:18px;font-weight:600;color:var(--navy);opacity:.85}
.strip-track i{width:7px;height:7px;border-radius:50%;background:var(--aqua);display:inline-block;flex:none}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ---------- Sections ---------- */
.section{padding:86px 0;position:relative}
.section-soft{background:var(--aqua-soft)}
.sec-head{max-width:680px;margin:0 auto 46px;text-align:center}
.eyebrow+h2,.sec-head h2{margin-top:6px}
.sec-head h2,h2{font-size:clamp(28px,4.6vw,44px);color:var(--ink)}
.sec-head .lead{margin-top:14px}
.lead{font-size:17.5px;color:var(--muted);line-height:1.6}

/* ---------- Programmes ---------- */
.prog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.prog-card{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:28px 26px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease;position:relative;overflow:hidden}
.prog-card::after{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--aqua),var(--aqua-bright))}
.prog-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.prog-ic{width:54px;height:54px;border-radius:15px;background:var(--aqua-soft);color:var(--aqua);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.prog-ic svg{width:28px;height:28px}
.prog-age{font-size:11.5px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:var(--aqua)}
.prog-card h3{font-size:22px;margin:4px 0 8px;color:var(--ink)}
.prog-card p{font-size:15px;color:var(--muted)}

/* ---------- The difference (navy) ---------- */
.section-navy{background:linear-gradient(160deg,var(--navy) 0%,var(--navy-deep) 100%);color:#fff;padding:118px 0}
.section-navy .wave-top{top:-1px}
.section-navy .wave-bottom{bottom:-1px}
.section-navy .wave-top svg,.section-navy .wave-bottom svg{height:80px}
.on-navy{color:#fff}
.on-navy-sub{color:rgba(255,255,255,.82)}
.diff-wrap{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center;position:relative;z-index:2}
.diff-copy h2{margin:6px 0 14px}
.ticks{list-style:none;margin-top:26px;display:flex;flex-direction:column;gap:16px}
.ticks li{display:flex;gap:13px;align-items:flex-start;font-size:16px;color:rgba(255,255,255,.9)}
.ticks li strong{color:#fff}
.ticks svg{flex:none;width:24px;height:24px;color:var(--navy);background:var(--aqua-bright);border-radius:50%;padding:4px;margin-top:2px}
.diff-media{position:relative}
.diff-media img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:24px;box-shadow:0 30px 60px rgba(0,0,0,.35)}
.diff-badge{position:absolute;bottom:-22px;left:-22px;background:var(--white);color:var(--ink);border-radius:16px;padding:16px 20px;box-shadow:var(--shadow);display:flex;flex-direction:column;max-width:170px}
.diff-badge .b-n{font-family:'Plus Jakarta Sans',system-ui,sans-serif;font-size:30px;font-weight:700;color:var(--aqua);line-height:1}
.diff-badge .b-l{font-size:12.5px;color:var(--muted);margin-top:3px;font-weight:600}

/* ---------- How it works ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:s}
.step{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:30px 26px;box-shadow:var(--shadow-sm);text-align:center}
.step-n{width:52px;height:52px;margin:0 auto 16px;border-radius:50%;background:var(--navy);color:#fff;font-family:'Plus Jakarta Sans',system-ui,sans-serif;font-size:24px;font-weight:700;display:flex;align-items:center;justify-content:center}
.step h3{font-size:21px;margin-bottom:7px;color:var(--ink)}
.step p{font-size:15px;color:var(--muted)}
.how-cta{text-align:center;margin-top:42px}

/* ---------- Gallery ---------- */
.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:200px;gap:14px}
.g-item{border-radius:16px;overflow:hidden;box-shadow:var(--shadow-sm)}
.g-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.g-item:hover img{transform:scale(1.06)}
.g-tall{grid-row:span 2}
.g-wide{grid-column:span 2}

/* ---------- Trust band ---------- */
.trust-band{background:var(--navy);color:#fff;padding:54px 0}
.trust-inner{text-align:center}
.trust-lead{font-family:'Plus Jakarta Sans',system-ui,sans-serif;font-size:24px;font-weight:600;margin-bottom:26px}
.trust-stats{display:flex;justify-content:center;flex-wrap:wrap;gap:48px;margin-bottom:24px}
.trust-stats>div{display:flex;flex-direction:column}
.t-n{font-family:'Plus Jakarta Sans',system-ui,sans-serif;font-size:34px;font-weight:700;color:var(--aqua-bright);line-height:1}
.t-l{font-size:13.5px;color:rgba(255,255,255,.78);margin-top:6px;font-weight:600}
.trust-social{font-size:15px;color:rgba(255,255,255,.9);display:flex;gap:10px;justify-content:center;align-items:center}
.trust-social a{color:var(--aqua-bright);font-weight:600;border-bottom:1px solid transparent;transition:border-color .15s}
.trust-social a:hover{border-color:var(--aqua-bright)}

/* ---------- Book ---------- */
.book-wrap{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:start}
.book-copy h2{margin:6px 0 12px}
.book-contact{list-style:none;margin-top:26px;display:flex;flex-direction:column;gap:15px}
.book-contact li{display:flex;gap:13px;align-items:center;font-size:15.5px;color:var(--ink)}
.book-contact svg{flex:none;width:22px;height:22px;color:var(--aqua);background:var(--white);border:1px solid var(--line);border-radius:9px;padding:5px;box-sizing:content-box;width:22px}
.book-contact a:hover{color:var(--aqua)}
.book-contact em{color:var(--muted);font-style:italic;font-size:13px}
.book-form{background:var(--white);border:1px solid var(--line);border-radius:22px;padding:28px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:14px}
.book-form label{display:flex;flex-direction:column;gap:6px;font-size:13.5px;font-weight:600;color:var(--ink)}
.field-row{display:flex;gap:14px}
.field-row label{flex:1}
.field-row .field-sm{flex:0 0 84px}
.book-form input,.book-form select,.book-form textarea{
  font-family:'Hanken Grotesk',sans-serif;font-size:15px;font-weight:500;color:var(--ink);
  padding:12px 14px;border:1.5px solid var(--line);border-radius:11px;background:var(--paper);
  transition:border-color .15s,box-shadow .15s;width:100%;
}
.book-form input:focus,.book-form select:focus,.book-form textarea:focus{outline:none;border-color:var(--aqua);box-shadow:0 0 0 3px rgba(21,163,207,.16);background:#fff}
.book-form textarea{resize:vertical}
.form-fine{font-size:12.5px;color:var(--muted);text-align:center;margin-top:-2px}
.form-success{font-size:14px;font-weight:600;color:var(--aqua);background:var(--aqua-soft);border-radius:11px;padding:12px 14px;text-align:center}
.find-us{margin-top:42px;display:flex;align-items:center;gap:20px;background:linear-gradient(120deg,var(--white),var(--aqua-soft));border:1px solid var(--line);border-radius:20px;padding:22px 26px;box-shadow:var(--shadow-sm);transition:transform .18s ease,box-shadow .18s ease}
.find-us:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.find-pin{flex:none;width:52px;height:52px;border-radius:14px;background:var(--navy);color:var(--aqua-bright);display:flex;align-items:center;justify-content:center}
.find-pin svg{width:26px;height:26px}
.find-text{display:flex;flex-direction:column;flex:1;min-width:0}
.find-k{font-family:'Plus Jakarta Sans',system-ui,sans-serif;font-size:19px;font-weight:600;color:var(--ink)}
.find-a{font-size:14.5px;color:var(--muted);margin-top:2px}
.find-btn{flex:none;display:inline-flex;align-items:center;gap:7px;font-weight:700;font-size:14.5px;color:var(--navy);background:var(--sun);padding:11px 18px;border-radius:999px;box-shadow:0 8px 18px rgba(242,169,0,.3)}
@media (max-width:560px){.find-us{flex-direction:column;text-align:center;gap:14px}.find-text{align-items:center}.find-btn{width:100%;justify-content:center}}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy-deep);color:rgba(255,255,255,.78);padding:60px 0 28px}
.foot-inner{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px}
.foot-brand .brand{margin-bottom:14px}
.foot-brand p{font-size:14.5px;max-width:320px;margin-bottom:16px}
.foot-social{display:flex;gap:12px}
.foot-social a{width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,.08);color:#fff;display:flex;align-items:center;justify-content:center;transition:background .15s}
.foot-social a:hover{background:var(--aqua)}
.foot-nav,.foot-contact{display:flex;flex-direction:column;gap:9px}
.foot-inner h4{font-family:'Hanken Grotesk',sans-serif;font-size:12px;letter-spacing:2px;text-transform:uppercase;color:var(--aqua-bright);margin-bottom:5px}
.foot-nav a,.foot-contact a,.foot-contact span{font-size:14.5px;color:rgba(255,255,255,.78);transition:color .15s}
.foot-nav a:hover,.foot-contact a:hover{color:#fff}
.foot-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:rgba(255,255,255,.55)}

/* ---------- Floating actions ---------- */
.float-actions{position:fixed;right:18px;bottom:18px;z-index:60;display:flex;flex-direction:column;gap:12px}
.fab{width:54px;height:54px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 10px 26px rgba(0,0,0,.25);transition:transform .18s}
.fab:hover{transform:scale(1.08)}
.fab-wa{background:#25d366}
.fab-call{background:var(--sun);color:var(--navy)}

/* ---------- Reveal ---------- */
[data-reveal]{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
[data-reveal].in{opacity:1;transform:none}
[data-delay="1"]{transition-delay:.08s}
[data-delay="2"]{transition-delay:.16s}
[data-delay="3"]{transition-delay:.24s}
[data-delay="4"]{transition-delay:.32s}
@media (prefers-reduced-motion:reduce){[data-reveal]{opacity:1;transform:none;transition:none}.strip-track{animation:none}.hero-bg{transform:none}}

/* ---------- Responsive ---------- */
@media (max-width:920px){
  .diff-wrap,.book-wrap{grid-template-columns:1fr;gap:34px}
  .diff-media{max-width:420px;margin:0 auto}
  .prog-grid{grid-template-columns:repeat(2,1fr)}
  .foot-inner{grid-template-columns:1fr 1fr}
  .foot-brand{grid-column:1/-1}
}
@media (max-width:760px){
  .nav{position:fixed;inset:0 0 0 auto;width:min(82vw,330px);background:#fff;flex-direction:column;align-items:flex-start;justify-content:flex-start;gap:6px;padding:90px 26px 30px;transform:translateX(100%);transition:transform .28s ease;box-shadow:-10px 0 40px rgba(14,58,91,.15)}
  .nav.open{transform:none}
  .nav>a:not(.btn){color:var(--ink);font-size:18px;padding:10px 0;width:100%;border-bottom:1px solid var(--line)}
  .nav-cta{margin-top:14px;width:100%}
  .menu-toggle{display:flex;z-index:55}
  .menu-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .menu-toggle.open span:nth-child(2){opacity:0}
  .menu-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  body.nav-open{overflow:hidden}
  .hero{min-height:600px;padding:128px 0 100px}
  .section{padding:62px 0}
  .section-navy{padding:90px 0}
  .wave-hero svg{height:56px}
  .section-navy .wave-top svg,.section-navy .wave-bottom svg{height:48px}
  .gallery-grid{grid-template-columns:repeat(2,1fr);grid-auto-rows:160px}
  .g-wide,.g-end{grid-column:span 2}
  .g-tall{grid-row:span 1}
  .trust-stats{gap:30px}
}
@media (max-width:480px){
  .eyebrow{letter-spacing:1.6px;font-size:11px;padding:6px 13px}
  .prog-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .field-row{flex-direction:column;gap:14px}
  .field-row .field-sm{flex:1}
  .foot-inner{grid-template-columns:1fr}
  .diff-badge{left:50%;transform:translateX(-50%);bottom:-26px}
  .hero-chips li{font-size:12.5px}
}