/* =========================================================
   H2oPro POOLS — style.css
   Light, clean, water-blue. Navy ink on white and pale aqua.
   ========================================================= */

:root {
  /* Core palette — sampled from the H2oPro logo */
  --navy:       #1b3f63;
  --navy-deep:  #143148;
  --teal-deep:  #1d6d8f;
  --teal:       #2a9aa8;
  --aqua:       #7fc9d4;
  --aqua-soft:  #d6eef3;
  --wash:       #f3f9fb;
  --white:      #ffffff;
  --ink:        #16232e;
  --muted:      #5d7180;
  --gold:       #c2a367;
  --gold-bright:#e0c88f;

  /* Lines & shadow */
  --hair:       rgba(27, 63, 99, 0.10);
  --hair-soft:  rgba(27, 63, 99, 0.06);
  --shadow-sm:  0 1px 2px rgba(20, 49, 72, .06), 0 4px 12px rgba(20, 49, 72, .06);
  --shadow-md:  0 2px 6px rgba(20, 49, 72, .07), 0 14px 36px rgba(20, 49, 72, .10);
  --shadow-lg:  0 8px 20px rgba(20, 49, 72, .10), 0 30px 70px rgba(20, 49, 72, .16);

  /* Gradients */
  --grad-water: linear-gradient(135deg, var(--navy) 0%, var(--teal-deep) 52%, var(--teal) 100%);
  --grad-sky:   linear-gradient(180deg, #daf0f5 0%, #e6f6f9 46%, #eefafc 100%);

  /* Type */
  --sans: "Avenir Next", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, Helvetica, Arial, sans-serif;

  --maxw: 1180px;
  --r-sm: 10px;
  --r-md: 16px;
  --r-lg: 24px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scroll-padding-top: 96px; }
body {
  font-family: var(--sans);
  background: var(--white);
  color: var(--ink);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; height: auto; }
a { color: var(--teal-deep); text-decoration: none; }
a:hover { color: var(--teal); }
ul { list-style: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
h1, h2, h3 { color: var(--navy); line-height: 1.15; letter-spacing: -0.02em; font-weight: 700; }

:focus-visible {
  outline: 3px solid var(--teal);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--navy); color: #fff; padding: 12px 18px; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; color: #fff; }

.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: 20px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 14px 24px;
  border-radius: 999px;
  font-weight: 650;
  font-size: 15px;
  letter-spacing: -0.01em;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease), color .25s var(--ease);
  white-space: nowrap;
}
.btn--primary { background: var(--grad-water); color: #fff; box-shadow: var(--shadow-sm); }
.btn--primary:hover { color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-md); }

.btn--ghost { background: transparent; color: var(--navy); border: 1.5px solid var(--hair); }
.btn--ghost:hover { color: var(--navy); border-color: var(--teal); background: var(--aqua-soft); }

.btn--gold { background: var(--gold); color: #1a1712; }
.btn--gold:hover { background: var(--gold-bright); color: #1a1712; transform: translateY(-2px); }

.btn--sm { padding: 10px 18px; font-size: 14px; }
.btn--lg { padding: 17px 32px; font-size: 16px; }

/* ---------- Transition bar ---------- */
.transition-bar {
  background: var(--navy-deep);
  color: rgba(255,255,255,.86);
  font-size: 13.5px;
}
.transition-bar__inner {
  display: flex; align-items: center; justify-content: center;
  gap: 10px; flex-wrap: wrap;
  padding-block: 9px;
  text-align: center;
}
.transition-bar__crest { width: 22px; height: 22px; flex: none; }
.transition-bar strong { color: var(--gold-bright); font-weight: 650; }
.transition-bar__link {
  color: #fff; font-weight: 650;
  border-bottom: 1px solid rgba(255,255,255,.35);
  padding-bottom: 1px;
}
.transition-bar__link:hover { color: var(--aqua); border-color: var(--aqua); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--hair-soft);
}
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; min-height: 68px;
}
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--navy); }
.brand img { width: 40px; height: 40px; object-fit: contain; }
.brand__text { font-weight: 700; font-size: 19px; letter-spacing: -0.02em; }
.brand__text em { font-style: normal; color: var(--teal); font-weight: 600; }

.nav { display: flex; align-items: center; gap: 28px; }
.nav__list { display: flex; align-items: center; gap: 26px; }
.nav__list a {
  color: var(--ink); font-size: 15px; font-weight: 550;
  padding-block: 6px; position: relative;
}
.nav__list a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: 0; height: 2px;
  background: var(--teal); border-radius: 2px; transition: right .3s var(--ease);
}
.nav__list a:hover { color: var(--teal-deep); }
.nav__list a:hover::after { right: 0; }

.nav-toggle { display: none; width: 44px; height: 44px; flex-direction: column; gap: 5px; align-items: center; justify-content: center; border-radius: 10px; }
.nav-toggle__bar { display: block; width: 21px; height: 2px; background: var(--navy); border-radius: 2px; transition: transform .3s var(--ease), opacity .2s linear; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: var(--grad-sky);
  padding-block: 52px 0;
  overflow: hidden;
}
.hero__waves { position: absolute; left: 0; right: 0; bottom: -1px; height: 120px; pointer-events: none; }
.hero__waves svg { width: 100%; height: 100%; display: block; }

.hero__inner {
  position: relative; z-index: 1;
  display: grid; gap: 44px;
  padding-bottom: 84px;
}

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,.75);
  border: 1px solid var(--hair);
  color: var(--teal-deep);
  font-size: 13px; font-weight: 650; letter-spacing: .01em;
  padding: 7px 15px; border-radius: 999px;
  margin-bottom: 22px;
}
.eyebrow__dot { width: 7px; height: 7px; border-radius: 50%; background: var(--teal); flex: none; }

.hero h1 { font-size: clamp(2.3rem, 6.4vw, 3.9rem); margin-bottom: 20px; }
.grad {
  background: var(--grad-water);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.hero__lede { color: var(--muted); font-size: 17px; max-width: 56ch; margin-bottom: 30px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 32px; }

.proof {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding-top: 24px; border-top: 1px solid var(--hair);
}
.proof__stars { color: #f0a63c; font-size: 17px; letter-spacing: 2px; }
.proof__text { color: var(--muted); font-size: 14.5px; }
.proof__text strong { color: var(--navy); }
.proof__sep { color: var(--aqua); }

.hero__media { position: relative; }

/* ---------- Photo card ---------- */
.photo-card {
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--aqua-soft);
  box-shadow: var(--shadow-md);
  border: 5px solid #fff;
}
.photo-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.photo-card:hover img { transform: scale(1.04); }
.photo-card--lg { aspect-ratio: 4 / 3; box-shadow: var(--shadow-lg); }

.badge-card {
  display: flex; align-items: center; gap: 12px;
  background: #fff;
  border: 1px solid var(--hair-soft);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-md);
  padding: 12px 18px 12px 12px;
  position: absolute; left: -6px; bottom: -22px;
  max-width: 270px;
}
.badge-card img { width: 46px; height: 46px; object-fit: contain; flex: none; }
.badge-card__title { font-weight: 700; color: var(--navy); font-size: 14.5px; line-height: 1.3; }
.badge-card__sub { color: var(--muted); font-size: 13px; }

/* ---------- Sections ---------- */
.section { padding-block: 76px; }
.section--wash { background: var(--wash); }

.section__eyebrow {
  text-align: center;
  color: var(--teal-deep);
  font-size: 13px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  margin-bottom: 14px;
}
.section__eyebrow::before { content: "\2726  "; color: var(--aqua); }

.section__head { text-align: center; max-width: 640px; margin: 0 auto 46px; }
.section__head h2 { font-size: clamp(1.85rem, 4.4vw, 2.7rem); margin-bottom: 14px; }
.section__sub { color: var(--muted); font-size: 16.5px; }

/* ---------- About ---------- */
.about { display: grid; gap: 40px; }
.about__intro h2 { font-size: clamp(1.85rem, 4.4vw, 2.6rem); margin-bottom: 18px; }
.about__intro p { color: var(--muted); margin-bottom: 16px; max-width: 54ch; }
.about__intro .btn { margin-top: 10px; }

.about__cards { display: grid; gap: 18px; }

.feature {
  background: #fff;
  border: 1px solid var(--hair-soft);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-sm);
  padding: 24px;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.feature:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.feature__icon,
.card__icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 46px; height: 46px; border-radius: 13px;
  background: var(--aqua-soft); color: var(--teal-deep);
  margin-bottom: 15px;
}
.feature__icon svg, .card__icon svg { width: 23px; height: 23px; }
.feature h3 { font-size: 18px; margin-bottom: 7px; }
.feature p { color: var(--muted); font-size: 15px; }

.about__collage { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.about__collage .photo-card { aspect-ratio: 3 / 4; }

/* ---------- Service cards ---------- */
.cards { display: grid; gap: 20px; }
.card {
  background: #fff;
  border: 1px solid var(--hair-soft);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-sm);
  padding: 26px 24px;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(42,154,168,.28); }
.card h3 { font-size: 18.5px; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: 15px; }

.chem-strip {
  margin-top: 30px;
  background: #fff;
  border: 1px solid var(--hair-soft);
  border-radius: var(--r-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}
.chem-strip__label {
  color: var(--teal-deep); font-size: 12.5px; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase; margin-bottom: 14px;
}
.chem-strip__list { display: flex; flex-wrap: wrap; gap: 9px; }
.chem-strip__list li {
  background: var(--aqua-soft);
  color: var(--navy);
  font-size: 14px; font-weight: 550;
  padding: 7px 14px; border-radius: 999px;
}

/* ---------- Gallery ---------- */
.gallery { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.gallery .photo-card { aspect-ratio: 3 / 4; border-width: 4px; }

/* ---------- Quotes ---------- */
.quotes { display: grid; gap: 18px; }
.quote {
  background: #fff;
  border: 1px solid var(--hair-soft);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-sm);
  padding: 26px 24px;
  display: flex; flex-direction: column;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.quote:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.quote__stars { color: #f0a63c; letter-spacing: 2px; font-size: 15px; margin-bottom: 12px; }
.quote p { color: var(--ink); font-size: 15.5px; margin-bottom: 18px; flex: 1; }
.quote footer { display: flex; flex-direction: column; gap: 1px; padding-top: 14px; border-top: 1px solid var(--hair-soft); }
.quote__name { font-weight: 700; color: var(--navy); font-size: 15px; }
.quote__meta { color: var(--muted); font-size: 13.5px; }

/* ---------- Black Flag band ---------- */
.band {
  background: linear-gradient(135deg, #0f2537 0%, var(--navy) 55%, var(--teal-deep) 130%);
  color: rgba(255,255,255,.82);
  padding-block: 66px;
  position: relative;
  overflow: hidden;
}
.band::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(700px 300px at 78% 15%, rgba(194,163,103,.16), transparent 70%);
}
.band__inner { position: relative; z-index: 1; display: grid; gap: 28px; justify-items: center; text-align: center; }
.band__crest { width: 132px; height: auto; filter: drop-shadow(0 10px 26px rgba(0,0,0,.45)); }
.band__eyebrow { color: var(--gold-bright); font-size: 12.5px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; margin-bottom: 12px; }
.band h2 { color: #fff; font-size: clamp(1.9rem, 4.8vw, 2.8rem); margin-bottom: 16px; }
.band p { max-width: 56ch; margin-bottom: 26px; font-size: 16.5px; }

/* ---------- FAQ ---------- */
.faq { display: grid; gap: 34px; }
.faq__intro h2 { font-size: clamp(1.85rem, 4.4vw, 2.5rem); margin-bottom: 14px; }
.faq__intro p { color: var(--muted); margin-bottom: 22px; max-width: 44ch; }

.faq__list { display: grid; gap: 12px; }
.faq__item {
  background: #fff;
  border: 1px solid var(--hair-soft);
  border-radius: var(--r-sm);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: border-color .3s var(--ease);
}
.faq__item[open] { border-color: rgba(42,154,168,.35); }
.faq__item summary {
  list-style: none; cursor: pointer;
  padding: 18px 52px 18px 20px;
  font-weight: 650; color: var(--navy); font-size: 16px;
  position: relative;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: ""; position: absolute; right: 20px; top: 50%;
  width: 10px; height: 10px; margin-top: -6px;
  border-right: 2px solid var(--teal-deep); border-bottom: 2px solid var(--teal-deep);
  transform: rotate(45deg); transform-origin: center;
  transition: transform .3s var(--ease);
}
.faq__item[open] summary::after { transform: rotate(-135deg); margin-top: -2px; }
.faq__body { padding: 0 20px 20px; color: var(--muted); font-size: 15.5px; }

/* ---------- Footer ---------- */
.site-footer { background: var(--wash); border-top: 1px solid var(--hair-soft); padding-block: 56px 28px; }

.site-footer__cta {
  background: var(--grad-water);
  border-radius: var(--r-lg);
  padding: 36px 30px;
  color: #fff;
  display: grid; gap: 22px; align-items: center;
  box-shadow: var(--shadow-md);
  margin-bottom: 52px;
}
.site-footer__cta h2 { color: #fff; font-size: clamp(1.5rem, 3.6vw, 2.1rem); margin-bottom: 8px; }
.site-footer__cta p { color: rgba(255,255,255,.82); font-size: 16px; }
.site-footer__cta .btn--primary { background: #fff; color: var(--navy); }
.site-footer__cta .btn--primary:hover { background: var(--aqua-soft); color: var(--navy); }

.site-footer__grid { display: grid; gap: 34px; }
.site-footer__brand img { width: 128px; height: auto; margin-bottom: 14px; }
.site-footer__brand p { color: var(--muted); font-size: 14.5px; max-width: 40ch; }

.site-footer__col h3 {
  font-size: 12.5px; letter-spacing: .12em; text-transform: uppercase;
  color: var(--teal-deep); margin-bottom: 14px;
}
.site-footer__col ul { display: grid; gap: 9px; }
.site-footer__col li, .site-footer__col a { color: var(--muted); font-size: 14.5px; }
.site-footer__col a:hover { color: var(--teal); }
.site-footer__notice p { color: var(--muted); font-size: 14.5px; margin-bottom: 10px; }
.site-footer__notice a { color: var(--teal-deep); font-weight: 650; text-decoration: underline; text-underline-offset: 2px; }
.site-footer__notice a:hover { color: var(--teal); }

.site-footer__bar {
  margin-top: 42px; padding-top: 22px; border-top: 1px solid var(--hair-soft);
  display: flex; flex-wrap: wrap; gap: 10px; justify-content: space-between;
  color: var(--muted); font-size: 13.5px;
}
.site-footer__credit a { font-weight: 650; }

/* ---------- Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }

/* =========================================================
   BREAKPOINTS
   ========================================================= */

@media (max-width: 959px) {
  /* The header uses backdrop-filter, which makes it a containing block for
     fixed descendants — so the panel is anchored to the header, not the viewport. */
  .nav {
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: #fff;
    padding: 8px 20px 24px;
    border-top: 1px solid var(--hair-soft);
    box-shadow: var(--shadow-lg);
    opacity: 0; visibility: hidden; pointer-events: none;
    transform: translateY(-10px);
    transition: opacity .28s var(--ease), transform .28s var(--ease), visibility .28s linear;
    max-height: calc(100dvh - 140px); overflow-y: auto;
  }
  .nav.is-open { opacity: 1; visibility: visible; pointer-events: auto; transform: none; }
  .nav__list { flex-direction: column; align-items: stretch; gap: 0; }
  .nav__list a { display: block; padding: 15px 4px; border-bottom: 1px solid var(--hair-soft); font-size: 17px; }
  .nav__list a::after { display: none; }
  .nav__cta { margin-top: 22px; align-self: flex-start; }
  .nav-toggle { display: flex; position: relative; z-index: 2; }
  body.nav-open { overflow: hidden; }
}

@media (min-width: 640px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .gallery { grid-template-columns: repeat(3, 1fr); }
  .quotes { grid-template-columns: repeat(2, 1fr); }
  .quote--wide { grid-column: span 2; }
  .site-footer__cta { grid-template-columns: 1fr auto; }
  .site-footer__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 960px) {
  body { font-size: 16.5px; }
  .section { padding-block: 96px; }

  .hero { padding-block: 72px 0; }
  .hero__inner { grid-template-columns: 1.08fr 0.92fr; align-items: center; gap: 56px; padding-bottom: 130px; }
  .hero__media { padding-left: 18px; }
  .photo-card--lg { aspect-ratio: 5 / 6; }
  .badge-card { left: -34px; bottom: 34px; }

  .about { grid-template-columns: 0.94fr 1.06fr; gap: 56px; align-items: start; }
  .about__cards { grid-template-columns: 1fr 1fr; }
  .about__collage { grid-column: 1 / -1; }

  .cards { grid-template-columns: repeat(3, 1fr); }
  .gallery { grid-template-columns: repeat(4, 1fr); gap: 16px; }

  .quotes { grid-template-columns: repeat(3, 1fr); }
  .quote--wide { grid-column: span 3; }
  .quote--wide p { font-size: 17px; }

  .band__inner {
    grid-template-columns: auto minmax(0, 1fr);
    justify-items: start; text-align: left;
    gap: 56px; align-items: center;
    max-width: 900px; margin-inline: auto;
  }
  .band__crest { width: 178px; }
  .band p { margin-bottom: 28px; }

  .faq { grid-template-columns: 0.86fr 1.14fr; gap: 56px; align-items: start; }

  .site-footer__grid { grid-template-columns: 1.5fr 1fr 1fr 1.4fr; gap: 40px; }
  .site-footer__cta { padding: 44px 44px; }
}

@media (min-width: 960px) and (max-width: 1080px) {
  .nav__list { gap: 18px; }
  .nav { gap: 18px; }
}

/* ---------- Motion / print ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}