/* ==========================================================================
   Aqua Boat Lifts — design system
   Palette: Abyss navy #0A2233 · Brand teal #00AEA7 · Aqua glow #4FD6CE
            Salt white #F7FAFA · Foam #DEE9EA · Ink #12262F
   Type:    Archivo (display + body) · IBM Plex Mono (spec labels)
   ========================================================================== */

:root{
  --abyss:#0A2233;
  --abyss-deep:#071A28;
  --teal:#00AEA7;
  --teal-dark:#008D87;
  --aqua:#4FD6CE;
  --salt:#F7FAFA;
  --foam:#DEE9EA;
  --ink:#12262F;
  --ink-soft:#3E5560;
  --line:rgba(18,38,47,.14);
  --line-dark:rgba(247,250,250,.16);
  --radius:14px;
  --radius-lg:22px;
  --shadow:0 14px 40px -18px rgba(7,26,40,.35);
  --font-display:"Archivo",system-ui,sans-serif;
  --font-mono:"IBM Plex Mono",ui-monospace,monospace;
  --wrap:1160px;
  --pad:clamp(1.25rem,4vw,2.5rem);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
}
body{
  margin:0;
  font-family:var(--font-display);
  font-size:1.0625rem;
  line-height:1.65;
  color:var(--ink);
  background:var(--salt);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--teal-dark)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:3px solid var(--teal);outline-offset:2px;border-radius:4px;
}

.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:var(--pad)}

/* ---------- type ---------- */
h1,h2,h3,h4{font-family:var(--font-display);line-height:1.08;letter-spacing:-.02em;margin:0 0 .5em;font-weight:800;text-wrap:balance}
h1{font-size:clamp(2.4rem,5.6vw,4.1rem)}
h2{font-size:clamp(1.85rem,3.6vw,2.7rem)}
h3{font-size:clamp(1.2rem,2vw,1.45rem)}
p{margin:0 0 1em}
.lede{font-size:clamp(1.1rem,1.8vw,1.3rem);color:var(--ink-soft);max-width:58ch}
.dark .lede{color:#B9CCD3}
.eyebrow{
  font-family:var(--font-mono);font-size:.78rem;font-weight:500;
  letter-spacing:.16em;text-transform:uppercase;color:var(--teal-dark);
  display:flex;align-items:center;gap:.7rem;margin-bottom:1rem;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--teal);flex:none}
.dark .eyebrow{color:var(--aqua)}
.center{text-align:center}
.center .eyebrow{justify-content:center}
.center .lede{margin-inline:auto}

/* ---------- sections ---------- */
section{padding-block:clamp(3.5rem,8vw,6.5rem)}
.dark{background:var(--abyss);color:var(--salt)}
.dark h1,.dark h2,.dark h3{color:#fff}
.dark a{color:var(--aqua)}
.tint{background:var(--foam)}

/* waterline divider between light→dark sections */
.waterline-rule{display:block;width:100%;height:26px;color:var(--abyss)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.55rem;
  font-family:var(--font-display);font-weight:700;font-size:1rem;letter-spacing:.01em;
  padding:.85rem 1.6rem;border-radius:999px;border:2px solid transparent;
  text-decoration:none;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,background .15s ease;
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--teal);color:#04211F;box-shadow:0 10px 26px -10px rgba(0,174,167,.6)}
.btn-primary:hover{background:var(--aqua)}
.btn-ghost{border-color:currentColor;color:inherit;background:transparent}
.btn-lg{padding:1.05rem 2rem;font-size:1.08rem}
.btn svg{flex:none}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(247,250,250,.92);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:1.5rem;min-height:76px}
.brand img{height:46px;width:auto}
.site-nav{margin-left:auto;display:flex;align-items:center;gap:1.4rem}
.site-nav a{color:var(--ink);text-decoration:none;font-weight:600;font-size:.97rem;padding:.35rem 0;border-bottom:2px solid transparent}
.site-nav a:hover{border-bottom-color:var(--teal)}
.site-nav a[aria-current="page"]{border-bottom-color:var(--teal);color:var(--teal-dark)}
.header-cta{display:flex;align-items:center;gap:1rem}
.header-phone{font-family:var(--font-mono);font-size:.9rem;font-weight:500;color:var(--ink);text-decoration:none;white-space:nowrap}
.header-phone:hover{color:var(--teal-dark)}
.nav-toggle{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:10px;padding:.55rem .7rem;cursor:pointer}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--ink);margin:5px 0;transition:transform .2s,opacity .2s}

@media (max-width:920px){
  .nav-toggle{display:block}
  .site-nav{
    position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:flex-start;
    background:var(--salt);border-bottom:1px solid var(--line);
    padding:1.2rem var(--pad) 1.6rem;gap:1rem;display:none;
  }
  .site-nav.open{display:flex}
  .header-cta{display:none}
  .site-nav .btn{margin-top:.4rem}
  body.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  body.nav-open .nav-toggle span:nth-child(2){opacity:0}
  body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
}
.mobile-only-cta{display:none}
@media (max-width:920px){.mobile-only-cta{display:inline-flex}}

/* ---------- hero ---------- */
.hero{
  position:relative;color:#fff;background:var(--abyss-deep);
  padding-block:clamp(4.5rem,11vw,8.5rem);overflow:hidden;
}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.38;filter:saturate(.9)}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,26,40,.25) 0%,rgba(7,26,40,.72) 68%,var(--abyss-deep) 100%);
}
.hero .wrap{position:relative;z-index:1;max-width:900px}
.hero h1{color:#fff}
.hero h1 em{font-style:normal;color:var(--aqua)}
.hero .lede{color:#CFE1E6}
.hero-ctas{display:flex;flex-wrap:wrap;gap:1rem;margin-top:2rem}
.hero-proof{
  display:flex;flex-wrap:wrap;gap:1.5rem 2.5rem;margin-top:3rem;
  font-family:var(--font-mono);font-size:.82rem;letter-spacing:.06em;color:#9FBAC3;
}
.hero-proof span{display:flex;align-items:center;gap:.5rem}
.hero-proof svg{color:var(--aqua)}

/* ---------- waterline interactive ---------- */
.waterline-demo{background:var(--abyss);color:var(--salt)}
.wl-stage{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  background:linear-gradient(180deg,#0E3247 0%,#0A2233 100%);
  border:1px solid var(--line-dark);box-shadow:var(--shadow);
}
.wl-svg{display:block;width:100%;height:auto}
.wl-boat{transition:transform .9s cubic-bezier(.32,.9,.35,1)}
.wl-stage.lifted .wl-boat{transform:translateY(-84px)}
.wl-lift{opacity:0;transition:opacity .6s ease .15s;transform:translateY(-0px)}
.wl-stage.lifted .wl-lift{opacity:1}
.wl-hazards,.wl-benefits{transition:opacity .5s ease}
.wl-stage.lifted .wl-hazards{opacity:0}
.wl-stage:not(.lifted) .wl-benefits{opacity:0}
.wl-controls{
  display:flex;gap:.5rem;justify-content:center;margin-top:1.6rem;flex-wrap:wrap;
}
.wl-btn{
  font-family:var(--font-mono);font-size:.85rem;letter-spacing:.08em;text-transform:uppercase;
  padding:.7rem 1.3rem;border-radius:999px;border:1px solid var(--line-dark);
  background:transparent;color:#B9CCD3;cursor:pointer;transition:all .2s;
}
.wl-btn[aria-pressed="true"]{background:var(--teal);border-color:var(--teal);color:#04211F;font-weight:600}
.wl-caption{margin-top:1.2rem;text-align:center;color:#9FBAC3;font-size:.95rem;min-height:1.6em}

/* ---------- feature grid ---------- */
.grid{display:grid;gap:1.4rem}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
@media (max-width:880px){.grid-3{grid-template-columns:1fr 1fr}}
@media (max-width:620px){.grid-3,.grid-2{grid-template-columns:1fr}}

.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:1.7rem 1.6rem;
}
.dark .card{background:rgba(255,255,255,.045);border-color:var(--line-dark)}
.card h3{margin-top:.9rem}
.card p{color:var(--ink-soft);margin-bottom:0;font-size:.99rem}
.dark .card p{color:#B9CCD3}
.icon-chip{
  width:46px;height:46px;border-radius:12px;display:grid;place-items:center;
  background:rgba(0,174,167,.12);color:var(--teal-dark);
}
.dark .icon-chip{background:rgba(79,214,206,.14);color:var(--aqua)}

/* ---------- config cards (spec plates) ---------- */
.config-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;transition:transform .18s ease,box-shadow .18s ease;
}
.config-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.config-card img{aspect-ratio:4/3;object-fit:cover;width:100%}
.config-body{padding:1.3rem 1.4rem 1.5rem;display:flex;flex-direction:column;gap:.4rem;flex:1}
.spec-tag{
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--teal-dark);border:1px solid rgba(0,174,167,.4);border-radius:6px;
  padding:.22rem .55rem;align-self:flex-start;
}
.config-body h3{margin:0}
.config-body p{color:var(--ink-soft);font-size:.95rem;margin:0;flex:1}
.config-body .more{font-weight:700;text-decoration:none;margin-top:.7rem;font-size:.95rem}
.config-body .more::after{content:" →"}

/* ---------- split layout ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(2rem,5vw,4rem);align-items:center}
@media (max-width:860px){.split{grid-template-columns:1fr}}
.split .media{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow)}
.split .media img{width:100%;object-fit:cover}

/* ---------- steps ---------- */
.steps{counter-reset:step;display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
@media (max-width:760px){.steps{grid-template-columns:1fr}}
.step{position:relative;padding:1.6rem 1.5rem;border:1px solid var(--line-dark);border-radius:var(--radius);background:rgba(255,255,255,.04)}
.step::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  font-family:var(--font-mono);font-size:.85rem;color:var(--aqua);letter-spacing:.1em;
}
.step h3{margin-top:.5rem}
.step p{color:#B9CCD3;margin:0;font-size:.97rem}

/* ---------- trust strip ---------- */
.trust{border-block:1px solid var(--line);background:#fff}
.trust .wrap{display:flex;flex-wrap:wrap;gap:1rem 3rem;align-items:center;justify-content:center;padding-block:1.4rem}
.trust span{font-family:var(--font-mono);font-size:.82rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-soft);display:flex;gap:.55rem;align-items:center}
.trust svg{color:var(--teal-dark)}

/* ---------- quote band ---------- */
.quote-band{background:linear-gradient(120deg,var(--teal-dark),var(--teal) 60%,var(--aqua));color:#04211F;text-align:center}
.quote-band h2{color:#04211F}
.quote-band .lede{color:#0B3A37}
.quote-band .btn-primary{background:var(--abyss);color:#fff;box-shadow:none}
.quote-band .btn-primary:hover{background:var(--abyss-deep)}

/* ---------- FAQ ---------- */
.faq-list{max-width:820px;margin-inline:auto;display:grid;gap:.8rem}
details.faq{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:0;
}
.dark details.faq{background:rgba(255,255,255,.045);border-color:var(--line-dark)}
details.faq summary{
  cursor:pointer;font-weight:700;font-size:1.05rem;padding:1.15rem 3rem 1.15rem 1.4rem;
  list-style:none;position:relative;
}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{
  content:"+";position:absolute;right:1.3rem;top:50%;transform:translateY(-50%);
  font-family:var(--font-mono);font-size:1.3rem;color:var(--teal-dark);
}
.dark details.faq summary::after{color:var(--aqua)}
details.faq[open] summary::after{content:"–"}
details.faq .faq-a{padding:0 1.4rem 1.3rem;color:var(--ink-soft)}
.dark details.faq .faq-a{color:#B9CCD3}
.faq-a p{margin-bottom:.6em}
.faq-a p:last-child{margin-bottom:0}

/* ---------- gallery ---------- */
.gal-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
@media (max-width:880px){.gal-grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.gal-grid{grid-template-columns:1fr}}
.gal-grid a{display:block;border-radius:var(--radius);overflow:hidden;position:relative}
.gal-grid img{aspect-ratio:4/3;object-fit:cover;width:100%;transition:transform .35s ease}
.gal-grid a:hover img{transform:scale(1.045)}
.lightbox{
  position:fixed;inset:0;z-index:100;background:rgba(7,26,40,.92);
  display:none;place-items:center;padding:2rem;
}
.lightbox.open{display:grid}
.lightbox img{max-width:min(1100px,94vw);max-height:86vh;width:auto;height:auto;border-radius:10px}
.lightbox-close{
  position:absolute;top:1.2rem;right:1.4rem;background:none;border:none;color:#fff;
  font-size:2.2rem;cursor:pointer;line-height:1;
}

/* ---------- video facade ---------- */
.video-facade{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;cursor:pointer;
  border:none;padding:0;width:100%;display:block;box-shadow:var(--shadow);background:#000;
}
.video-facade img{width:100%;aspect-ratio:16/9;object-fit:cover;opacity:.85}
.video-facade .play{
  position:absolute;inset:0;display:grid;place-items:center;
}
.video-facade .play span{
  width:84px;height:84px;border-radius:50%;background:var(--teal);display:grid;place-items:center;
  box-shadow:0 12px 34px -8px rgba(0,174,167,.7);transition:transform .2s ease;
}
.video-facade:hover .play span{transform:scale(1.08)}
.video-facade iframe{position:absolute;inset:0;width:100%;height:100%;border:0}

/* ---------- forms ---------- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem}
@media (max-width:640px){.form-grid{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;gap:.35rem}
.field.full{grid-column:1/-1}
.field label{font-weight:700;font-size:.92rem}
.field .hint{font-size:.82rem;color:var(--ink-soft);font-weight:400}
.field input,.field select,.field textarea{
  font:inherit;padding:.8rem .95rem;border:1px solid var(--line);border-radius:10px;
  background:#fff;color:var(--ink);width:100%;
}
.field textarea{min-height:130px;resize:vertical}
.form-note{font-size:.88rem;color:var(--ink-soft)}
.form-success{
  display:none;background:rgba(0,174,167,.1);border:1px solid rgba(0,174,167,.45);
  border-radius:var(--radius);padding:1.4rem 1.5rem;margin-top:1.2rem;
}
.form-success.show{display:block}
.contact-aside{display:flex;flex-direction:column;gap:1.2rem}
.contact-aside .card{display:flex;gap:1rem;align-items:flex-start}
.contact-aside .card div h3{margin:.1rem 0 .2rem;font-size:1.05rem}
.contact-aside .card div p{margin:0}
.contact-aside a{font-weight:700;text-decoration:none}

/* ---------- comparison table ---------- */
.compare{width:100%;border-collapse:collapse;font-size:.97rem;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.compare th,.compare td{padding:1rem 1.1rem;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.compare thead th{background:var(--abyss);color:#fff;font-family:var(--font-mono);font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;font-weight:500}
.compare tbody tr:last-child td{border-bottom:none}
.compare td:first-child{font-weight:700}
.compare .good{color:var(--teal-dark);font-weight:700}
.table-scroll{overflow-x:auto;border-radius:var(--radius)}

/* ---------- page hero (interior pages) ---------- */
.page-hero{background:var(--abyss);color:var(--salt);padding-block:clamp(3.2rem,7vw,5.2rem)}
.page-hero h1{color:#fff}
.page-hero .lede{color:#B9CCD3}

/* ---------- footer ---------- */
.site-footer{background:var(--abyss-deep);color:#9FBAC3;padding-block:3.5rem 2rem;font-size:.95rem}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:2rem}
@media (max-width:860px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr}}
.site-footer img{height:52px;width:auto;margin-bottom:1rem}
.site-footer h4{color:#fff;font-size:.85rem;font-family:var(--font-mono);font-weight:500;letter-spacing:.14em;text-transform:uppercase}
.site-footer ul{list-style:none;padding:0;margin:0;display:grid;gap:.5rem}
.site-footer a{color:#CFE1E6;text-decoration:none}
.site-footer a:hover{color:var(--aqua)}
.footer-bottom{border-top:1px solid var(--line-dark);margin-top:2.6rem;padding-top:1.4rem;display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between;font-size:.85rem}

/* ---------- reveal on scroll ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}