/* ==========================================================================
   American Soft Water LLC
   Palette pulled from the drop-and-flag mark; Archivo wide for headlines
   (truck-door lettering), Source Serif italic reserved for customers' words.
   ========================================================================== */

:root {
  --navy: #0F2B46;
  --navy-deep: #0A1F33;
  --blue: #2270AE;
  --blue-soft: #D9E8F4;
  --red: #CF3348;
  --red-dark: #AE2539;
  --paper: #F3F7FA;
  --white: #FFFFFF;
  --line: #D5E0E8;
  --text: #0F2B46;
  --muted: #3A5068;
  --on-navy: #E8F0F7;
  --on-navy-muted: #A9BDD0;

  --font: "Archivo", system-ui, -apple-system, "Segoe UI", sans-serif;
  --serif: "Source Serif 4", Georgia, serif;

  /* type scale, ~1.25 */
  --fs-sm: 0.875rem;
  --fs-base: 1.0625rem;
  --fs-md: 1.25rem;
  --fs-lg: 1.5625rem;
  --fs-xl: clamp(1.9rem, 1.4rem + 1.8vw, 2.6rem);
  --fs-hero: clamp(2.6rem, 1.6rem + 4.2vw, 4.6rem);

  --wrap: 1200px;
  --gutter: clamp(16px, 4vw, 40px);
  --radius: 6px;
  --ease: cubic-bezier(.2, .7, .2, 1);

}

*, *::before, *::after { box-sizing: border-box; }
/* Components set display (grid, flex), which would otherwise beat the hidden attribute. */
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: var(--fs-base);
  line-height: 1.6;
  color: var(--text);
  background: var(--paper);
  font-variation-settings: "wdth" 100;
}
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3 { margin: 0; line-height: 1.1; font-weight: 800; font-stretch: 118%; font-variation-settings: "wdth" 118; letter-spacing: -0.01em; text-wrap: balance; }
h2 { font-size: var(--fs-xl); }
h3 { font-size: var(--fs-lg); }
p { margin: 0; }
a { color: var(--blue); text-underline-offset: 3px; }
ul, ol { margin: 0; padding: 0; }

:focus-visible { outline: 3px solid var(--red); outline-offset: 3px; border-radius: 2px; }

.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gutter); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; left: 16px; top: -60px; z-index: 100; background: var(--navy); color: #fff; padding: 10px 16px; border-radius: var(--radius); }
.skip-link:focus { top: 12px; }

.ico { width: 1.1em; height: 1.1em; flex: none; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.ico--lg { width: 26px; height: 26px; }
.ico--xl { width: 32px; height: 32px; stroke-width: 1.6; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 46px; padding: 10px 20px;
  font: 700 var(--fs-base)/1.2 var(--font);
  text-decoration: none; border-radius: var(--radius); border: 2px solid transparent;
  cursor: pointer; transition: background-color .15s var(--ease), color .15s var(--ease), border-color .15s var(--ease);
  touch-action: manipulation; white-space: nowrap;
}
.btn--lg { min-height: 54px; padding: 14px 26px; font-size: var(--fs-md); }
.btn--block { width: 100%; }
.btn--red { background: var(--red); color: #fff; }
.btn--red:hover { background: var(--red-dark); }
.btn--ghost { background: transparent; color: var(--navy); border-color: var(--navy); }
.btn--ghost:hover { background: var(--navy); color: #fff; }
.btn--light { background: #fff; color: var(--navy); }
.btn--light:hover { background: var(--blue-soft); }
.btn--ghost-dark { background: transparent; color: #fff; border-color: rgba(255,255,255,.5); }
.btn:active { transform: translateY(1px); }

.text-link { color: inherit; font-weight: 600; }

/* ---------- Stars ---------- */
.stars { display: inline-flex; gap: 2px; color: #E8A317; }
.stars svg { width: 18px; height: 18px; fill: currentColor; stroke: none; }
.stars--lg svg { width: 26px; height: 26px; }
.stars svg.is-empty { opacity: .3; }

/* ---------- Top bar & header ---------- */
.topbar { background: var(--navy-deep); color: var(--on-navy); font-size: var(--fs-sm); }
.topbar__inner { display: flex; justify-content: space-between; gap: 24px; padding-block: 8px; }
.topbar p { display: flex; align-items: center; gap: 8px; }

.site-header { position: sticky; top: 0; z-index: 50; background: rgba(243, 247, 250, .96); backdrop-filter: saturate(1.4) blur(8px); border-bottom: 1px solid var(--line); }
.site-header__inner { display: flex; align-items: center; gap: 28px; min-height: 76px; }

.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; color: var(--navy); }
.brand__mark { width: 56px; height: 56px; flex: none; object-fit: contain; }
.brand__word { display: flex; flex-direction: column; line-height: 1; }
.brand__name { font-weight: 850; font-size: 1.28rem; font-variation-settings: "wdth" 125; letter-spacing: -0.005em; text-transform: uppercase; }
.brand__sub { margin-top: 5px; font-size: .8rem; font-weight: 600; color: var(--red); font-variation-settings: "wdth" 110; }
.brand--light { color: #fff; }
.brand--light .brand__sub { color: var(--on-navy-muted); }

.nav { margin-left: auto; }
.nav ul { display: flex; gap: 4px; list-style: none; }
.nav a { display: block; white-space: nowrap; padding: 10px 12px; color: var(--navy); text-decoration: none; font-weight: 600; border-radius: var(--radius); }
.nav a:hover { background: var(--blue-soft); }

.site-header__actions { display: flex; align-items: center; gap: 16px; }
.phone-link { display: inline-flex; align-items: center; gap: 8px; color: var(--navy); font-weight: 800; text-decoration: none; font-variation-settings: "wdth" 110; white-space: nowrap; }
.phone-link:hover { color: var(--blue); }
.nav-toggle { display: none; width: 46px; height: 46px; align-items: center; justify-content: center; background: none; border: 1px solid var(--line); border-radius: var(--radius); color: var(--navy); cursor: pointer; }

/* ---------- Hero ---------- */
.hero { position: relative; padding-top: clamp(40px, 6vw, 80px); background: var(--paper); overflow: hidden; }
.hero__grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(32px, 5vw, 72px); align-items: end; }
.hero__copy { padding-bottom: clamp(72px, 9vw, 120px); }
.hero__kicker { font-weight: 700; color: var(--blue); margin-bottom: 18px; font-size: var(--fs-md); }
.hero__title { font-size: var(--fs-hero); font-weight: 900; font-variation-settings: "wdth" 125; line-height: .98; letter-spacing: -0.02em; max-width: 14ch; }
.hero__lede { margin-top: 24px; font-size: var(--fs-md); color: var(--muted); max-width: 36em; line-height: 1.55; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.hero__rating { display: inline-flex; align-items: center; gap: 12px; margin-top: 28px; color: var(--navy); text-decoration: none; }
.hero__rating:hover span:last-child { text-decoration: underline; }

.hero__photo { position: relative; z-index: 1; margin: 0; align-self: end; }
.hero__photo img { width: 100%; aspect-ratio: 562 / 744; object-fit: cover; border-radius: 180px 180px 0 0; }
.hero__photo figcaption { position: absolute; left: 16px; right: 16px; bottom: 76px; padding: 10px 14px; background: rgba(10, 31, 51, .82); color: #fff; font-size: var(--fs-sm); border-radius: var(--radius); }

/* Moving waterline: each layer is 200% wide with a wave that repeats every half,
   so sliding it -50% loops seamlessly. Different speeds and directions read as water. */
.hero__water { position: absolute; left: 0; right: 0; bottom: -1px; height: clamp(64px, 9vw, 120px); overflow: hidden; z-index: 2; pointer-events: none; }
.wave { position: absolute; left: 0; bottom: 0; width: 200%; height: 100%; animation: wave-drift linear infinite; will-change: transform; }
.wave--back  { fill: #5E9FD2; opacity: .45; animation-duration: 28s; }
.wave--mid   { fill: var(--blue); opacity: .7; animation-duration: 19s; animation-direction: reverse; }
.wave--front { fill: var(--navy); animation-duration: 36s; }
@keyframes wave-drift { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------- Proof strip ---------- */
.proof { background: var(--navy); color: var(--on-navy); padding: 8px 0 48px; }
.proof__grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.proof__item { display: flex; flex-direction: column; gap: 6px; padding: 8px 24px; border-left: 1px solid rgba(255,255,255,.14); }
.proof__item:first-child { border-left: 0; padding-left: 0; }
.proof__big { font-size: var(--fs-lg); font-weight: 850; font-variation-settings: "wdth" 120; color: #fff; }
.proof__label { font-size: var(--fs-sm); color: var(--on-navy-muted); }

/* ---------- Finder (the signature section) ---------- */
.finder { background: var(--navy); color: var(--on-navy); padding: 72px 0 96px; border-top: 1px solid rgba(255,255,255,.08); }
.finder__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 72px); align-items: start; }
.finder h2 { color: #fff; font-size: clamp(2.2rem, 1.5rem + 2.6vw, 3.4rem); font-variation-settings: "wdth" 125; }
.finder__intro > p { margin-top: 16px; color: var(--on-navy-muted); max-width: 34em; }

.chips { display: flex; flex-wrap: wrap; gap: 10px; margin: 32px 0 0; padding: 0; border: 0; }
.chip { position: relative; cursor: pointer; }
.chip input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.chip span {
  display: inline-flex; align-items: center; gap: 8px; min-height: 46px; padding: 10px 16px;
  border: 1.5px solid rgba(255,255,255,.3); border-radius: 999px; color: #fff; font-weight: 600;
  transition: background-color .15s var(--ease), border-color .15s var(--ease);
}
.chip span::before { content: ""; width: 10px; height: 10px; border-radius: 50%; border: 1.5px solid currentColor; flex: none; transition: background-color .15s var(--ease); }
.chip:hover span { border-color: #fff; }
.chip input:checked + span { background: #fff; color: var(--navy); border-color: #fff; }
.chip input:checked + span::before { background: var(--red); border-color: var(--red); }
.chip input:focus-visible + span { outline: 3px solid #F0697B; outline-offset: 3px; }

.finder__result { position: sticky; top: 100px; }
.result { background: var(--white); color: var(--text); border-radius: 10px; overflow: hidden; }
.result--empty { display: grid; place-items: center; gap: 16px; min-height: 360px; padding: 40px; background: transparent; border: 1.5px dashed rgba(255,255,255,.3); color: var(--on-navy-muted); text-align: center; }
.result__mark { width: 72px; height: 72px; opacity: .7; }
.result[hidden] { display: none; }
.result__photo { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; object-position: 50% 25%; }
.result__body { padding: 24px 28px 28px; }
.result__cause { font-size: var(--fs-sm); color: var(--muted); }
.result__cause strong { color: var(--red); }
.result__list { list-style: none; margin-top: 16px; display: grid; gap: 16px; }
.result__list li { padding-top: 16px; border-top: 1px solid var(--line); }
.result__list li:first-child { padding-top: 0; border-top: 0; }
.result__list h3 { font-size: var(--fs-md); }
.result__list p { margin-top: 6px; color: var(--muted); }
.result__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; margin-top: 24px; }
.result.is-updating { animation: fadeSwap .28s var(--ease); }
@keyframes fadeSwap { from { opacity: .35; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* ---------- Section heads ---------- */
.section-head { max-width: 44rem; margin-bottom: 48px; }
.section-head p { margin-top: 14px; color: var(--muted); font-size: var(--fs-md); }
.section-head--row { max-width: none; display: flex; justify-content: space-between; align-items: end; gap: 32px; }
.section-head--row p { max-width: 28rem; margin-top: 0; }

/* ---------- Systems ---------- */
.systems { padding: 96px 0 72px; }
.system { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(28px, 5vw, 64px); align-items: center; padding: 40px 0; border-top: 1px solid var(--line); }
.system--flip { grid-template-columns: 7fr 5fr; }
.system--flip .system__photo { order: 2; }
.system__photo { margin: 0; }
.system__photo img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: var(--radius); }
.system__photo--top img { object-position: 50% 18%; }
.system__body { max-width: 36rem; }
.system__body > p { margin-top: 14px; color: var(--muted); }
.ticks { list-style: none; margin-top: 20px; display: grid; gap: 8px; }
.ticks li { position: relative; padding-left: 30px; font-weight: 600; }
.ticks li::before {
  content: ""; position: absolute; left: 0; top: .28em; width: 20px; height: 20px; border-radius: 50%;
  background: var(--blue-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232270AE' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center / 12px no-repeat;
}

/* ---------- Reviews ---------- */
.reviews { background: var(--blue); color: #fff; padding: 88px 0; }
.reviews__head { display: flex; justify-content: space-between; align-items: end; gap: 32px; margin-bottom: 48px; }
.reviews__head h2 { color: #fff; max-width: 14ch; font-size: clamp(2.2rem, 1.5rem + 2.6vw, 3.4rem); }
.reviews__score { display: grid; grid-template-columns: auto auto; column-gap: 14px; align-items: center; }
.reviews__num { grid-row: span 2; font-size: 4.4rem; font-weight: 900; font-variation-settings: "wdth" 125; line-height: 1; }
.reviews__src { font-size: var(--fs-sm); color: #DCEAF6; }
.reviews__layout { display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px; }
.review { margin: 0; }
.review p { font-family: var(--serif); font-style: italic; font-size: var(--fs-md); line-height: 1.6; }
.review footer { margin-top: 14px; font-size: var(--fs-sm); color: #DCEAF6; }
.review cite { font-style: normal; font-weight: 700; color: #fff; }
.review cite a { color: inherit; text-decoration-color: rgba(255,255,255,.5); }
.review__src { display: block; margin-top: 2px; }
.review--feature { padding-right: 16px; }
.review--feature p { font-size: clamp(1.4rem, 1.1rem + 1.1vw, 1.95rem); line-height: 1.45; }
.review--feature p::before { content: "“"; display: block; font-family: var(--serif); font-size: 5rem; line-height: .6; height: 40px; color: #F0697B; font-style: normal; }
.reviews__stack { display: grid; gap: 28px; align-content: start; }
.reviews__stack .review { padding-left: 24px; border-left: 3px solid rgba(255,255,255,.35); }
.reviews__cta { display: flex; flex-wrap: wrap; align-items: center; gap: 24px; margin-top: 56px; padding-top: 32px; border-top: 1px solid rgba(255,255,255,.25); }
.reviews .text-link { color: #fff; }

/* ---------- About ---------- */
.about { padding: 96px 0; }
.about__grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: clamp(32px, 6vw, 96px); align-items: start; }
.about__story h2 { max-width: 16ch; }
.about__story > p { margin-top: 18px; color: var(--muted); max-width: 36em; }
.about__quote { margin: 36px 0 0; padding: 24px 28px; background: var(--white); border-left: 4px solid var(--red); border-radius: 0 var(--radius) var(--radius) 0; }
.about__quote p { font-family: var(--serif); font-style: italic; font-size: var(--fs-md); line-height: 1.5; }
.about__quote footer { margin-top: 10px; font-weight: 700; font-size: var(--fs-sm); color: var(--muted); }

.timeline { list-style: none; position: relative; display: grid; gap: 32px; padding-left: 28px; }
.timeline::before { content: ""; position: absolute; left: 6px; top: 8px; bottom: 8px; width: 2px; background: var(--line); }
.timeline li { position: relative; }
.timeline li::before { content: ""; position: absolute; left: -28px; top: 6px; width: 14px; height: 14px; border-radius: 50%; background: var(--paper); border: 3px solid var(--blue); }
.timeline li:last-child::before { background: var(--red); border-color: var(--red); }
.timeline__year { display: block; font-weight: 850; font-size: var(--fs-lg); font-variation-settings: "wdth" 120; line-height: 1.1; }
.timeline p { margin-top: 6px; color: var(--muted); }

/* ---------- Installs gallery ---------- */
.installs { padding: 0 0 96px; }
.installs__grid { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 220px; gap: 12px; }
.installs__item { margin: 0; overflow: hidden; border-radius: var(--radius); background: var(--line); }
.installs__item--tall { grid-row: span 2; }
.installs__item img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- Services ---------- */
.services { background: var(--white); padding: 80px 0; border-block: 1px solid var(--line); }
.services__title { margin-bottom: 40px; }
.services__list { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px 48px; }
.services__list li { display: grid; grid-template-columns: auto 1fr; column-gap: 16px; align-content: start; }
.services__list .ico { grid-row: span 2; color: var(--blue); margin-top: 2px; }
.services__list h3 { font-size: var(--fs-md); font-variation-settings: "wdth" 110; }
.services__list p { margin-top: 6px; color: var(--muted); }

/* ---------- Booking form ---------- */
.booking { padding: 96px 0; background: var(--paper); }
.booking__grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: clamp(32px, 6vw, 80px); align-items: start; }
.booking__grid > *, .finder__grid > *, .about__grid > *, .faq__grid > *, .reviews__layout > * { min-width: 0; }
.booking__info > p { margin-top: 16px; color: var(--muted); }
.contact-list { list-style: none; margin-top: 28px; display: grid; gap: 12px; }
.contact-list li { display: flex; align-items: center; gap: 12px; font-weight: 600; }
.contact-list .ico { color: var(--blue); }
.contact-list a { color: var(--navy); overflow-wrap: anywhere; }
.hours { margin-top: 32px; border-collapse: collapse; width: 100%; max-width: 26rem; font-size: var(--fs-sm); }
.hours caption { text-align: left; font-weight: 800; font-size: var(--fs-base); padding-bottom: 8px; }
.hours th, .hours td { text-align: left; padding: 8px 0; border-top: 1px solid var(--line); vertical-align: top; }
.hours th { font-weight: 600; padding-right: 16px; white-space: nowrap; }
.hours td { color: var(--muted); }

.form { background: var(--white); border: 1px solid var(--line); border-radius: 10px; padding: clamp(20px, 4vw, 36px); display: grid; gap: 20px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field { display: grid; gap: 6px; min-width: 0; }
.field label, .field legend { font-weight: 700; font-size: var(--fs-sm); }
.req { color: var(--red); }
.field input, .field select, .field textarea {
  width: 100%; min-height: 48px; padding: 10px 12px; font: inherit; font-size: 1rem; color: var(--text);
  background: var(--paper); border: 1.5px solid #B7C7D4; border-radius: var(--radius);
}
.field textarea { resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(34,112,174,.25); background: #fff; }
.field [aria-invalid="true"] { border-color: var(--red); }
.field__error { color: var(--red-dark); font-size: var(--fs-sm); font-weight: 600; }
.field--checks { border: 0; padding: 0; margin: 0; }
.field--checks legend { margin-bottom: 10px; padding: 0; }
.checks { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2px 20px; align-content: start; }
.checks label { display: flex; align-items: center; gap: 10px; min-height: 40px; font-weight: 500; cursor: pointer; }
.checks input { width: 20px; height: 20px; min-height: 0; padding: 0; accent-color: var(--blue); flex: none; }
.form__note { font-size: var(--fs-sm); color: var(--muted); }
/* Honeypot: off-screen rather than display:none, which some bots skip. */
.form__hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form--done { align-content: start; border-color: var(--blue); }
.form--done h3 { font-size: var(--fs-lg); color: var(--navy); }
.form--done p { color: var(--muted); }
.form--done:focus { outline: none; }
.form__status { font-weight: 700; color: var(--blue); }
.form__status:empty { display: none; }
.form__error-summary { padding: 14px 16px; border: 2px solid var(--red); border-radius: var(--radius); color: var(--red-dark); font-weight: 600; }
.form__error-summary ul { margin: 6px 0 0 18px; }
.form__error-summary a { color: var(--red-dark); }

/* ---------- FAQ ---------- */
.faq { padding: 88px 0 104px; background: var(--white); border-top: 1px solid var(--line); }
.faq__grid { display: grid; grid-template-columns: 1fr 2fr; gap: 48px; }
.faq__list { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 20px 0; font-weight: 700; font-size: var(--fs-md); cursor: pointer; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary .ico { color: var(--blue); transition: transform .2s var(--ease); }
.faq details[open] summary .ico { transform: rotate(45deg); }
.faq details p { padding: 0 0 22px; color: var(--muted); max-width: 40em; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-deep); color: var(--on-navy); padding: 64px 0 24px; }
.site-footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; }
.site-footer__brand p { margin-top: 18px; color: var(--on-navy-muted); max-width: 30em; }
.site-footer__h { font-size: var(--fs-base); font-variation-settings: "wdth" 110; color: #fff; margin-bottom: 14px; }
.site-footer ul { list-style: none; display: grid; gap: 8px; color: var(--on-navy-muted); }
.site-footer a { color: var(--on-navy); text-decoration: none; overflow-wrap: anywhere; }
.site-footer a:hover { text-decoration: underline; }
.site-footer__base { display: flex; justify-content: space-between; gap: 16px; margin-top: 48px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.12); font-size: var(--fs-sm); color: var(--on-navy-muted); }

.mobile-bar { display: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1340px) {
  .phone-link span { display: none; }
}

@media (max-width: 1100px) {
  .topbar .topbar__mid { display: none; }
  .phone-link span { display: none; }
  .nav a { padding: 10px 8px; }
}

@media (max-width: 960px) {
  .nav-toggle { display: inline-flex; }
  .site-header__actions .btn { display: none; }
  .phone-link span { display: inline; }
  .nav { position: absolute; top: 100%; left: 0; right: 0; margin: 0; background: var(--paper); border-bottom: 1px solid var(--line); display: none; }
  .nav.is-open { display: block; }
  .nav ul { flex-direction: column; padding: 8px var(--gutter) 16px; }
  .nav a { padding: 14px 8px; font-size: var(--fs-md); }
  .site-header__actions { margin-left: auto; }

  .hero__grid { grid-template-columns: 1fr; }
  .hero__copy { padding-bottom: 8px; }
  .hero__photo { max-width: 460px; width: 100%; justify-self: center; }
  .proof__grid { grid-template-columns: repeat(2, 1fr); gap: 20px 0; }
  .proof__item:nth-child(3) { border-left: 0; padding-left: 0; }
  .finder__grid, .reviews__layout, .about__grid, .booking__grid, .faq__grid { grid-template-columns: 1fr; }
  .finder__result { position: static; }
  .result--empty { min-height: 200px; }
  .system, .system--flip { grid-template-columns: 1fr; }
  .system--flip .system__photo { order: 0; }
  .services__list { grid-template-columns: repeat(2, 1fr); }
  .installs__grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 200px; }
  .reviews__head, .section-head--row { flex-direction: column; align-items: start; }
  .site-footer__grid { grid-template-columns: 1fr 1fr; }
  .site-footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  :root { --fs-base: 1rem; }
  .topbar { display: none; }
  .site-header__inner { min-height: 64px; gap: 12px; }
  .brand__mark { width: 40px; height: 40px; }
  .brand__name { font-size: 1.02rem; }
  .brand__sub { font-size: .72rem; }
  .phone-link span { display: none; }
  .phone-link { width: 46px; height: 46px; justify-content: center; border: 1px solid var(--line); border-radius: var(--radius); }
  .hero__actions .btn { width: 100%; }
  .hero__photo figcaption { bottom: 56px; }
  .proof__item { padding: 4px 14px; }
  .proof__label { font-size: .8rem; }
  .form__row, .checks { grid-template-columns: 1fr; }
  .services__list { grid-template-columns: 1fr; }
  .site-footer__grid { grid-template-columns: 1fr; }
  .reviews__num { font-size: 3.4rem; }

  html { scroll-padding-bottom: 90px; }
  body { padding-bottom: 76px; }
  .mobile-bar {
    display: grid; grid-template-columns: 1fr 1.3fr; gap: 10px;
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
    padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
    background: var(--navy-deep); border-top: 1px solid rgba(255,255,255,.12);
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .wave { animation: none; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}