/* ==========================================================
   Prime Appliance & Filter Co.
   Liquid Glass — translucent material, ambient light, space
   ========================================================== */

:root {
  --bg: #e7edf6;
  --ink: #14161a;
  --ink-2: #5f6672;
  --ink-3: #6b7280;

  --accent: #0068d6;
  --accent-deep: #00509e;
  --accent-tint: rgba(0, 104, 214, 0.11);

  --glass: rgba(255, 255, 255, 0.55);
  --glass-strong: rgba(255, 255, 255, 0.72);
  --glass-edge: rgba(255, 255, 255, 0.75);
  --glass-line: rgba(20, 22, 26, 0.07);

  --blur: saturate(180%) blur(28px);

  --r-sm: 14px;
  --r-md: 22px;
  --r-lg: 30px;
  --r-pill: 999px;

  --shadow-s: 0 2px 10px rgba(20, 22, 26, 0.05);
  --shadow-m: 0 10px 34px -12px rgba(20, 22, 26, 0.16), 0 2px 8px rgba(20, 22, 26, 0.04);
  --shadow-l: 0 30px 70px -30px rgba(20, 22, 26, 0.3);

  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter", system-ui, "Segoe UI", sans-serif;

  --wrap: 1080px;
  --gutter: clamp(1.25rem, 5vw, 2.5rem);
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Ambient light behind the glass -------------------------- */
.ambient {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(48rem 36rem at 10% -8%, rgba(86, 190, 235, 0.62), transparent 62%),
    radial-gradient(42rem 32rem at 94% 2%, rgba(126, 156, 255, 0.58), transparent 60%),
    radial-gradient(40rem 34rem at 80% 90%, rgba(255, 186, 130, 0.5), transparent 62%),
    radial-gradient(36rem 30rem at 4% 82%, rgba(112, 232, 205, 0.46), transparent 62%),
    var(--bg);
}

img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-deep); }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

h1, h2, h3 {
  margin: 0 0 0.5em;
  letter-spacing: -0.032em;
  line-height: 1.06;
  font-weight: 650;
  text-wrap: balance;
}
h1 { font-size: clamp(2.35rem, 5.6vw, 3.9rem); }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); }
h3 { font-size: 1.1rem; font-weight: 600; letter-spacing: -0.018em; }

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gutter); }
.lede { font-size: clamp(1.05rem, 1.7vw, 1.2rem); color: var(--ink-2); max-width: 54ch; }
.center { text-align: center; margin-inline: auto; }
.eyebrow {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.9rem;
}

.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { left: 1rem; top: 1rem; background: var(--ink); color: #fff; padding: 0.7rem 1.1rem; border-radius: var(--r-sm); z-index: 200; }

/* Glass material ------------------------------------------ */
.glass {
  background: var(--glass);
  -webkit-backdrop-filter: var(--blur);
  backdrop-filter: var(--blur);
  border: 1px solid var(--glass-edge);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-m), inset 0 1px 0 rgba(255, 255, 255, 0.85);
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .glass, .navbar, .chip, .btn--glass { background: rgba(255, 255, 255, 0.92); }
}

/* Buttons -------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font: inherit;
  font-size: 0.98rem;
  font-weight: 550;
  letter-spacing: -0.01em;
  padding: 0.8rem 1.5rem;
  border-radius: var(--r-pill);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.18s cubic-bezier(0.2, 0.8, 0.3, 1), background-color 0.18s ease, box-shadow 0.18s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--primary { background: var(--accent); color: #fff; box-shadow: 0 6px 18px -6px rgba(0, 104, 214, 0.55); }
.btn--primary:hover { background: var(--accent-deep); color: #fff; }

.btn--glass {
  background: var(--glass-strong);
  -webkit-backdrop-filter: var(--blur);
  backdrop-filter: var(--blur);
  border-color: var(--glass-edge);
  color: var(--ink);
  box-shadow: var(--shadow-s), inset 0 1px 0 rgba(255, 255, 255, 0.9);
}
.btn--glass:hover { background: rgba(255, 255, 255, 0.88); color: var(--ink); }

/* Navigation ---------------------------------------------- */
.navbar-holder { position: sticky; top: 0; z-index: 60; padding-top: 0.85rem; }

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.55rem 0.6rem 0.55rem 1.1rem;
  border-radius: var(--r-pill);
  background: var(--glass-strong);
  -webkit-backdrop-filter: var(--blur);
  backdrop-filter: var(--blur);
  border: 1px solid var(--glass-edge);
  box-shadow: var(--shadow-m), inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.brand { display: flex; align-items: center; gap: 0.6rem; color: var(--ink); min-width: 0; }
.brand__mark {
  width: 30px; height: 30px; flex: none; border-radius: 50%;
  background: linear-gradient(150deg, #6fd2ee, #0068d6 70%);
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.7), 0 2px 6px rgba(0, 104, 214, 0.35);
}
.brand__name {
  font-weight: 620; letter-spacing: -0.025em; font-size: 0.97rem;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

.nav { display: flex; align-items: center; gap: 0.15rem; }
.nav a {
  color: var(--ink-2);
  font-size: 0.92rem;
  font-weight: 520;
  letter-spacing: -0.01em;
  padding: 0.5rem 0.85rem;
  border-radius: var(--r-pill);
  transition: background-color 0.16s ease, color 0.16s ease;
}
.nav a:hover { background: rgba(255, 255, 255, 0.75); color: var(--ink); }
.nav a[aria-current="page"] { background: var(--accent-tint); color: var(--accent-deep); }

.nav-toggle {
  display: none;
  align-items: center;
  gap: 0.4rem;
  background: transparent;
  border: 0;
  padding: 0.55rem 0.8rem;
  border-radius: var(--r-pill);
  cursor: pointer;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 550;
  color: var(--ink);
}

/* Sections ------------------------------------------------- */
.section { padding-block: clamp(3rem, 7vw, 5.5rem); }
.section--top { padding-block: clamp(3.5rem, 9vw, 6.5rem) clamp(2.5rem, 5vw, 4rem); }
.section__head { max-width: 46ch; margin-bottom: clamp(1.75rem, 4vw, 2.75rem); }
.section__head.center { text-align: center; }

/* Hero ----------------------------------------------------- */
.hero { text-align: center; padding-block: clamp(3.5rem, 10vw, 7rem) clamp(2rem, 5vw, 3.5rem); }
.hero h1 { max-width: 16ch; margin-inline: auto; }
.hero .lede { margin-inline: auto; margin-top: 1.1rem; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 0.7rem; justify-content: center; margin-top: 2rem; }

/* Panels grid ---------------------------------------------- */
.grid { display: grid; gap: clamp(0.9rem, 2vw, 1.25rem); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.panel { padding: clamp(1.5rem, 3vw, 2.1rem); display: flex; flex-direction: column; }
.panel h3 { margin-bottom: 0.45rem; }
.panel p { color: var(--ink-2); font-size: 0.97rem; }
.panel__link { margin-top: 1.25rem; font-size: 0.95rem; font-weight: 550; }
.panel__link::after { content: " \2192"; }

.panel__icon {
  width: 42px; height: 42px; border-radius: 13px; margin-bottom: 1.1rem;
  background: linear-gradient(150deg, rgba(255, 255, 255, 0.9), rgba(0, 104, 214, 0.16));
  border: 1px solid rgba(255, 255, 255, 0.85);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.95), 0 3px 10px -4px rgba(0, 104, 214, 0.4);
  display: grid; place-items: center;
  color: var(--accent);
}
.panel__icon svg { width: 21px; height: 21px; display: block; }

/* Brand chips ---------------------------------------------- */
.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; list-style: none; padding: 0; margin: 0; }
.chips--center { justify-content: center; }
.chip {
  background: var(--glass-strong);
  -webkit-backdrop-filter: var(--blur);
  backdrop-filter: var(--blur);
  border: 1px solid var(--glass-edge);
  border-radius: var(--r-pill);
  padding: 0.5rem 1.05rem;
  font-size: 0.92rem;
  font-weight: 520;
  letter-spacing: -0.008em;
  color: var(--ink);
  box-shadow: var(--shadow-s), inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

/* Simple list rows ----------------------------------------- */
.rows { list-style: none; padding: 0; margin: 0; }
.rows li { padding: 1.05rem clamp(1.25rem, 3vw, 1.9rem); border-bottom: 1px solid var(--glass-line); }
.rows li:last-child { border-bottom: 0; }
.rows h3 { margin-bottom: 0.2rem; }
.rows p { color: var(--ink-2); font-size: 0.96rem; }

/* Info panel ----------------------------------------------- */
.info { list-style: none; padding: 0; margin: 0 0 1.5rem; }
.info li { display: flex; justify-content: space-between; gap: 1.5rem; padding: 0.75rem 0; border-bottom: 1px solid var(--glass-line); }
.info li:last-child { border-bottom: 0; }
.info .k { color: var(--ink-3); font-size: 0.92rem; }
.info .v { text-align: right; font-weight: 520; }

.map { border-radius: var(--r-md); overflow: hidden; border: 1px solid var(--glass-edge); box-shadow: var(--shadow-s); background: #fff; }
.map iframe { width: 100%; min-height: 300px; height: 100%; border: 0; display: block; }

/* Form ------------------------------------------------------ */
.form { display: grid; gap: 0.9rem; }
.form__row { display: grid; gap: 0.9rem; grid-template-columns: 1fr 1fr; }
.form label { display: block; }
.form .lbl { display: block; font-size: 0.86rem; color: var(--ink-2); margin-bottom: 0.35rem; }
.form input, .form select, .form textarea {
  width: 100%;
  font: inherit;
  font-size: 1rem;
  padding: 0.72rem 0.9rem;
  border-radius: var(--r-sm);
  border: 1px solid rgba(20, 22, 26, 0.12);
  background: rgba(255, 255, 255, 0.8);
  color: var(--ink);
  transition: border-color 0.16s ease, box-shadow 0.16s ease;
}
.form input:focus, .form select:focus, .form textarea:focus {
  outline: 0;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-tint);
}
.form textarea { min-height: 120px; resize: vertical; }
.hidden-field { position: absolute; left: -9999px; }

/* CTA ------------------------------------------------------- */
.cta { padding: clamp(2.25rem, 5vw, 3.25rem); text-align: center; }
.cta h2 { margin-bottom: 0.4rem; }
.cta p { color: var(--ink-2); max-width: 46ch; margin-inline: auto; }
.cta .btn { margin-top: 1.5rem; }

/* Footer ---------------------------------------------------- */
.footer { padding-block: 2.5rem 3rem; margin-top: clamp(2rem, 5vw, 3.5rem); }
.footer__inner { display: flex; flex-wrap: wrap; gap: 1.5rem 3rem; justify-content: space-between; align-items: flex-start; padding: clamp(1.5rem, 3vw, 2.25rem); }
.footer__links { display: flex; flex-wrap: wrap; gap: 0.4rem 1.5rem; }
.footer__links a { color: var(--ink-2); font-size: 0.94rem; }
.footer__links a:hover { color: var(--ink); }
.footer p { color: var(--ink-3); font-size: 0.9rem; }
.footer__legal { width: 100%; margin-top: 0.5rem; padding-top: 1.25rem; border-top: 1px solid var(--glass-line); color: var(--ink-3); font-size: 0.85rem; display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; justify-content: space-between; }

/* Reveal ---------------------------------------------------- */
.reveal { opacity: 0; transform: translateY(12px); transition: opacity 0.7s cubic-bezier(0.2, 0.8, 0.3, 1), transform 0.7s cubic-bezier(0.2, 0.8, 0.3, 1); }
.reveal.is-visible { opacity: 1; transform: none; }

/* Responsive ------------------------------------------------ */
@media (max-width: 900px) {
  .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .nav-toggle { display: inline-flex; }
  .navbar { position: relative; }
  .nav {
    display: none;
    position: absolute;
    top: calc(100% + 0.6rem);
    left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0.15rem;
    padding: 0.5rem;
    border-radius: var(--r-md);
    background: var(--glass-strong);
    -webkit-backdrop-filter: var(--blur);
    backdrop-filter: var(--blur);
    border: 1px solid var(--glass-edge);
    box-shadow: var(--shadow-l), inset 0 1px 0 rgba(255, 255, 255, 0.9);
  }
  .nav.is-open { display: flex; }
  .nav a { padding: 0.75rem 1rem; border-radius: var(--r-sm); }
  .navbar { padding-left: 0.85rem; gap: 0.5rem; }
  .brand { gap: 0.5rem; }
  .brand__mark { width: 26px; height: 26px; }
  .brand__name { font-size: 0.85rem; }
  .nav-toggle { flex: none; padding: 0.5rem 0.7rem; font-size: 0.86rem; }
  .form__row { grid-template-columns: 1fr; }
  .info li { flex-direction: column; gap: 0.15rem; }
  .info .v { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
  .reveal { opacity: 1; transform: none; }
  .btn:hover { transform: none; }
}