/* ═══════════════════════════════════════════════════════════════
   LYNX RENOVATIONS — style.css
   Dark spa-luxury. CSS-only animation (GPU: transform/opacity/filter).
   ═══════════════════════════════════════════════════════════════ */

:root {
  --ink: hsl(216 30% 5%);
  --ink-2: hsl(216 26% 7%);
  --surface: hsl(216 22% 9%);
  --surface-2: hsl(216 20% 12%);
  --line: hsl(216 18% 16%);
  --text: hsl(38 25% 95%);
  --muted: hsl(220 10% 62%);
  --brass: hsl(38 62% 60%);
  --brass-deep: hsl(26 70% 48%);
  --brass-grad: linear-gradient(120deg, hsl(42 70% 68%), hsl(38 62% 58%) 45%, hsl(26 70% 46%));
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Outfit", system-ui, sans-serif;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --nav-h: 76px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 12px); background: var(--ink); }

body {
  font-family: var(--font-body);
  font-weight: 340;
  background: var(--ink);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

.container { width: min(1160px, 100% - 2.5rem); margin-inline: auto; }

::selection { background: hsl(38 62% 60% / 0.3); }

/* ── Headings ── */
h1, h2, h3 { font-weight: 420; letter-spacing: -0.01em; }

.section-kicker {
  font-size: 0.78rem;
  font-weight: 560;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--brass);
  margin-bottom: 1rem;
}

.section-head { max-width: 640px; margin-bottom: clamp(2.5rem, 6vw, 4rem); }
.section-head h2, .intro-statement, .faq-head h2, .contact-copy h2 {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 1.1rem + 3.4vw, 3.1rem);
  line-height: 1.12;
  font-weight: 380;
}
.section-head em, .intro-statement em, .faq-head em, .contact-copy em {
  font-style: italic;
  font-weight: 340;
  background: var(--brass-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

section { padding-block: clamp(4rem, 10vw, 7.5rem); }

/* below-fold render skip */
.services, .ba, .process, .materials, .stats, .reviews, .faq, .contact, .footer {
  content-visibility: auto;
  contain-intrinsic-size: auto 700px;
}

/* ── Scroll progress ── */
.scroll-progress {
  position: fixed; inset: 0 0 auto 0; height: 2px; z-index: 200;
  background: var(--brass-grad);
  transform-origin: 0 50%;
  transform: scaleX(0);
}

/* ═══════════ NAV ═══════════ */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  transition: background 0.3s ease, box-shadow 0.3s ease;
}
.nav.scrolled {
  background: hsl(216 30% 5% / 0.82);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 hsl(216 18% 16% / 0.7);
}
.nav-inner {
  width: min(1240px, 100% - 2.5rem); margin-inline: auto;
  height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}

.logo { display: inline-flex; align-items: center; gap: 0.65rem; }
.logo-mark {
  width: 38px; height: 38px; flex: none;
  display: grid; place-items: center;
  border-radius: 10px;
  background: var(--brass-grad);
  color: hsl(216 30% 6%);
  box-shadow: 0 4px 14px hsl(32 65% 50% / 0.25);
}
.logo-mark svg { width: 20px; height: 20px; }
.logo-text {
  font-weight: 640; letter-spacing: 0.14em; font-size: 1.05rem;
  display: flex; flex-direction: column; line-height: 1.05;
}
.logo-text em {
  font-family: var(--font-display); font-style: italic; font-weight: 380;
  font-size: 0.72rem; letter-spacing: 0.08em; color: var(--brass);
  text-transform: none;
}

.nav-links { display: flex; align-items: center; gap: clamp(1.2rem, 2.5vw, 2.2rem); }
.nav-links a:not(.nav-cta) {
  font-size: 0.94rem; font-weight: 420; color: var(--muted);
  transition: color 0.2s ease;
  position: relative; padding-block: 0.4rem;
}
.nav-links a:not(.nav-cta)::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 1px; width: 100%;
  background: var(--brass);
  transform: scaleX(0); transform-origin: 100% 50%;
  transition: transform 0.3s var(--ease-out);
}
.nav-links a:not(.nav-cta):hover { color: var(--text); }
.nav-links a:not(.nav-cta):hover::after { transform: scaleX(1); transform-origin: 0 50%; }

.nav-cta {
  font-size: 0.92rem; font-weight: 540;
  padding: 0.7rem 1.3rem; border-radius: 999px;
  background: var(--brass-grad); color: hsl(216 30% 6%);
  box-shadow: 0 4px 16px hsl(32 65% 50% / 0.22);
  transition: transform 0.2s var(--ease-out), box-shadow 0.2s ease;
}
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 24px hsl(32 65% 50% / 0.32); }

.nav-burger {
  display: none; flex-direction: column; gap: 7px;
  width: 48px; height: 48px; align-items: center; justify-content: center;
  background: none; border: 0; cursor: pointer;
}
.nav-burger span {
  width: 26px; height: 2px; background: var(--text); border-radius: 2px;
  transition: transform 0.3s var(--ease-out);
}
.nav-burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(4.5px) rotate(45deg); }
.nav-burger[aria-expanded="true"] span:nth-child(2) { transform: translateY(-4.5px) rotate(-45deg); }

@media (max-width: 860px) {
  .nav-burger { display: flex; }
  .nav-links {
    position: fixed; inset: var(--nav-h) 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: hsl(216 30% 5% / 0.96);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
    padding: 0.75rem 1.25rem 1.5rem;
    border-bottom: 1px solid var(--line);
    opacity: 0; transform: translateY(-8px); pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s var(--ease-out);
  }
  .nav-links.open { opacity: 1; transform: translateY(0); pointer-events: auto; }
  .nav-links a:not(.nav-cta) { padding: 0.9rem 0.25rem; font-size: 1.05rem; }
  .nav-cta { margin-top: 0.75rem; text-align: center; padding: 0.9rem; }
}

/* ═══════════ HERO ═══════════ */
.hero {
  position: relative; min-height: 100svh;
  display: flex; flex-direction: column; justify-content: center;
  padding: calc(var(--nav-h) + 3rem) 0 4.5rem;
  overflow: clip;
}
.hero-bg { position: absolute; inset: 0; z-index: -1; isolation: isolate; }

.hero-marble {
  position: absolute; inset: 0; width: 100%; height: 100%;
  opacity: 0.05;
}

.mesh {
  position: absolute; border-radius: 50%;
  /* no filter blur — the radial gradients are already soft, and large
     animated blur layers hang weaker GPUs */
  will-change: transform;
  animation: drift 22s ease-in-out infinite alternate;
}
.mesh-a {
  width: 55vw; height: 55vw; min-width: 480px; min-height: 480px;
  left: -12%; top: -18%;
  background: radial-gradient(circle, hsl(32 60% 38% / 0.34), transparent 65%);
}
.mesh-b {
  width: 44vw; height: 44vw; min-width: 400px; min-height: 400px;
  right: -10%; top: 22%;
  background: radial-gradient(circle, hsl(200 55% 30% / 0.3), transparent 65%);
  animation-delay: -8s; animation-duration: 26s;
}
.mesh-c {
  width: 38vw; height: 38vw; min-width: 340px; min-height: 340px;
  left: 28%; bottom: -26%;
  background: radial-gradient(circle, hsl(38 62% 50% / 0.16), transparent 65%);
  animation-delay: -15s; animation-duration: 30s;
}
@keyframes drift {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to   { transform: translate3d(6%, 8%, 0) scale(1.15); }
}

.hero-grain {
  position: absolute; inset: 0; opacity: 0.5; mix-blend-mode: overlay;
  background:
    radial-gradient(ellipse 80% 60% at 50% 110%, hsl(216 30% 3% / 0.9), transparent),
    radial-gradient(ellipse 90% 55% at 50% -10%, hsl(216 30% 3% / 0.8), transparent);
}

.hero-content {
  width: min(1160px, 100% - 2.5rem); margin-inline: auto;
  max-width: 880px; margin-left: auto; margin-right: auto;
  text-align: center;
}

.hero-kicker {
  display: inline-flex; align-items: center; gap: 0.8rem;
  font-size: 0.8rem; font-weight: 540;
  letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--brass);
  margin-bottom: 1.6rem;
}
.kicker-line { width: 42px; height: 1px; background: var(--brass-grad); }

.hero-title {
  font-size: clamp(3rem, 1.4rem + 9.5vw, 7.2rem);
  line-height: 1.02;
  font-weight: 460;
  letter-spacing: -0.025em;
  margin-bottom: 1.8rem;
}
.ht-line { display: block; overflow: hidden; }
.ht-line > span {
  display: inline-block;
  transform: translateY(110%);
  animation: riseUp 0.9s var(--ease-out) both;
}
.ht-line:nth-child(2) > span { animation-delay: 0.14s; }
@keyframes riseUp { to { transform: translateY(0); } }

.ht-serif {
  font-family: var(--font-display);
  font-style: italic; font-weight: 380;
  background: var(--brass-grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  padding-right: 0.08em; /* italic overhang */
}
.ht-serif i { font-style: normal; color: var(--text); -webkit-text-fill-color: var(--text); }

.hero-sub {
  max-width: 560px; margin-inline: auto;
  font-size: clamp(1rem, 0.9rem + 0.5vw, 1.18rem);
  color: var(--muted);
  margin-bottom: 2.4rem;
}

.hero-actions { display: flex; gap: 0.9rem; justify-content: center; flex-wrap: wrap; margin-bottom: 3rem; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.6rem;
  padding: 1rem 1.75rem; min-height: 52px;
  border-radius: 999px; border: 0; cursor: pointer;
  font-family: var(--font-body); font-size: 1rem; font-weight: 540;
  transition: transform 0.2s var(--ease-out), box-shadow 0.25s ease, background-color 0.2s ease;
}
.btn svg { width: 18px; height: 18px; transition: transform 0.25s var(--ease-out); }
.btn:hover svg { transform: translateX(4px); }
.btn-primary {
  background: var(--brass-grad); color: hsl(216 30% 6%);
  box-shadow: 0 6px 22px hsl(32 65% 50% / 0.28);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 32px hsl(32 65% 50% / 0.38); }
.btn-ghost {
  background: hsl(216 20% 50% / 0.09); color: var(--text);
  box-shadow: inset 0 0 0 1px var(--line);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
}
.btn-ghost:hover { transform: translateY(-2px); background: hsl(216 20% 50% / 0.16); }
.btn-block { width: 100%; }

.hero-proof {
  display: inline-flex; align-items: center; gap: clamp(1.1rem, 3vw, 2rem);
  padding: 0.9rem 1.6rem; border-radius: 999px;
  background: hsl(216 22% 10% / 0.6);
  box-shadow: inset 0 0 0 1px hsl(216 18% 18% / 0.8);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
}
.hero-proof li { display: flex; flex-direction: column; align-items: center; line-height: 1.25; }
.hero-proof strong { font-size: 1.15rem; font-weight: 620; letter-spacing: 0.01em; }
.hero-proof span { font-size: 0.72rem; color: var(--muted); letter-spacing: 0.05em; text-transform: uppercase; }
.hp-div { width: 1px; align-self: stretch; background: var(--line); }

@media (max-width: 520px) {
  .hero-proof {
    display: grid; grid-template-columns: repeat(3, 1fr);
    width: 100%; gap: 0.4rem; padding: 0.9rem 0.6rem;
    border-radius: 20px;
  }
  .hero-proof li.hp-div { display: none; }
  .hero-proof strong { font-size: 1.05rem; }
  .hero-proof span { font-size: 0.64rem; text-align: center; }
}

.hero-scroll {
  position: absolute; left: 50%; bottom: 1.6rem;
  width: 26px; height: 42px; border-radius: 999px;
  border: 1.5px solid hsl(216 15% 35%);
  transform: translateX(-50%);
  display: flex; justify-content: center; padding-top: 8px;
}
.hero-scroll span {
  width: 3px; height: 8px; border-radius: 2px; background: var(--brass);
  animation: scrollHint 1.8s ease-in-out infinite;
}
@keyframes scrollHint {
  0%, 100% { transform: translateY(0); opacity: 1; }
  60% { transform: translateY(12px); opacity: 0; }
  61% { transform: translateY(0); opacity: 0; }
}

/* ═══════════ MARQUEE ═══════════ */
.marquee {
  border-block: 1px solid var(--line);
  background: var(--ink-2);
  padding-block: 1.1rem;
  overflow: clip;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee-track { display: flex; width: max-content; animation: marquee 30s linear infinite; will-change: transform; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-group { display: flex; align-items: center; flex: none; }
.marquee-group span {
  font-family: var(--font-display); font-style: italic;
  font-size: 1.15rem; font-weight: 380; color: hsl(220 10% 72%);
  padding-inline: 1.4rem; white-space: nowrap;
}
.marquee-group i { font-style: normal; font-size: 0.55rem; color: var(--brass); }
@keyframes marquee { to { transform: translate3d(-50%, 0, 0); } }

/* ═══════════ INTRO ═══════════ */
.intro { background: var(--ink); }
.intro-grid {
  display: grid; grid-template-columns: 1.15fr 1fr;
  gap: clamp(2rem, 5vw, 5rem); align-items: start;
}
.intro-statement { max-width: 22ch; }
.intro-side { padding-top: 3.2rem; }
.intro-side p { color: var(--muted); margin-bottom: 1.2rem; max-width: 46ch; }

.text-link {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-weight: 540; color: var(--brass);
  padding-block: 0.5rem;
}
.text-link svg { width: 17px; height: 17px; transition: transform 0.25s var(--ease-out); }
.text-link:hover svg { transform: translateX(4px); }

@media (max-width: 820px) {
  .intro-grid { grid-template-columns: 1fr; }
  .intro-side { padding-top: 0; }
}

/* ═══════════ SERVICES ═══════════ */
.services { background: var(--ink-2); border-block: 1px solid var(--line); }
.services-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1.1rem;
}
.service-card {
  position: relative;
  padding: 1.9rem 1.7rem 1.7rem;
  border-radius: 18px;
  background: linear-gradient(160deg, var(--surface), var(--ink-2) 80%);
  box-shadow: inset 0 0 0 1px var(--line);
  overflow: clip;
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s ease;
}
.service-card::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(320px circle at var(--mx, 50%) var(--my, 0%), hsl(38 62% 60% / 0.09), transparent 70%);
  opacity: 0; transition: opacity 0.35s ease;
}
.service-card:hover { transform: translateY(-6px); box-shadow: inset 0 0 0 1px hsl(38 40% 35% / 0.55), 0 18px 40px hsl(216 40% 2% / 0.5); }
.service-card:hover::before { opacity: 1; }

.sc-icon {
  width: 52px; height: 52px; border-radius: 14px;
  display: grid; place-items: center;
  background: hsl(38 62% 60% / 0.1);
  box-shadow: inset 0 0 0 1px hsl(38 62% 60% / 0.22);
  color: var(--brass);
  margin-bottom: 1.3rem;
  transition: transform 0.3s var(--ease-out);
}
.sc-icon svg { width: 26px; height: 26px; }
.service-card:hover .sc-icon { transform: scale(1.08) rotate(-4deg); }

.service-card h3 { font-size: 1.14rem; font-weight: 540; margin-bottom: 0.55rem; }
.service-card p { font-size: 0.94rem; color: var(--muted); }

.sc-num {
  position: absolute; top: 1.2rem; right: 1.4rem;
  font-family: var(--font-display); font-style: italic;
  font-size: 1.7rem; color: hsl(216 15% 22%);
  transition: color 0.3s ease;
}
.service-card:hover .sc-num { color: hsl(38 62% 60% / 0.5); }

@media (max-width: 980px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px)  { .services-grid { grid-template-columns: 1fr; } }

/* ═══════════ BEFORE / AFTER ═══════════ */
.ba { background: var(--ink); }
.ba .section-head { margin-inline: auto; text-align: center; }

.ba-slider {
  --pos: 50%;
  position: relative;
  aspect-ratio: 16 / 10;
  max-height: 560px;
  border-radius: 22px;
  overflow: clip;
  box-shadow: inset 0 0 0 1px var(--line), 0 30px 80px hsl(216 40% 2% / 0.6);
  touch-action: pan-y;
  cursor: ew-resize;
  user-select: none;
  -webkit-user-select: none;
}
@media (max-width: 640px) { .ba-slider { aspect-ratio: 4 / 5; } }

.ba-pane { position: absolute; inset: 0; }
.ba-tex { position: absolute; inset: 0; width: 100%; height: 100%; }

/* AFTER scene — bright marble sanctuary */
.ba-after { background: #e9e5df; }
.ba-scene { position: absolute; inset: 0; }
.ba-glow {
  position: absolute; inset: 0;
  background:
    radial-gradient(60% 45% at 50% 0%, hsl(40 80% 90% / 0.55), transparent 70%),
    linear-gradient(180deg, transparent 60%, hsl(30 30% 55% / 0.18));
}
.ba-mirror {
  position: absolute; left: 50%; top: 12%;
  width: 26%; aspect-ratio: 1;
  transform: translateX(-50%);
  border-radius: 50%;
  background: linear-gradient(150deg, hsl(210 25% 82%), hsl(210 20% 62%) 55%, hsl(210 25% 78%));
  box-shadow:
    0 0 0 6px hsl(36 45% 55%),
    0 0 60px hsl(40 70% 75% / 0.65),
    inset 0 4px 18px hsl(0 0% 100% / 0.55);
}
.ba-mirror.old {
  border-radius: 4px;
  background: linear-gradient(150deg, hsl(80 8% 62%), hsl(80 6% 46%));
  box-shadow: 0 0 0 5px hsl(35 20% 38%), inset 0 2px 8px hsl(0 0% 100% / 0.25);
}
.ba-vanity {
  position: absolute; left: 50%; bottom: 14%;
  width: 46%; height: 15%;
  transform: translateX(-50%);
  border-radius: 8px;
  background: linear-gradient(180deg, hsl(28 22% 30%), hsl(26 20% 22%));
  box-shadow: 0 14px 30px hsl(25 30% 20% / 0.35), inset 0 1px 0 hsl(35 30% 45%);
}
.ba-vanity::after {
  content: ""; position: absolute; left: 8%; right: 8%; top: 46%;
  height: 2px; border-radius: 2px;
  background: hsl(38 55% 58%);
  opacity: 0.9;
}
.ba-vanity.old {
  background: linear-gradient(180deg, hsl(38 25% 58%), hsl(36 22% 44%));
  box-shadow: inset 0 1px 0 hsl(40 25% 68%);
}
.ba-vanity.old::after { background: hsl(36 15% 35%); }
.ba-basin {
  position: absolute; left: 50%; bottom: 29%;
  width: 17%; height: 5.5%;
  transform: translateX(-50%);
  border-radius: 10px 10px 14px 14px;
  background: linear-gradient(180deg, hsl(40 25% 97%), hsl(40 15% 86%));
  box-shadow: 0 6px 16px hsl(25 30% 25% / 0.3), inset 0 -3px 6px hsl(35 20% 70% / 0.6);
}
.ba-basin.old {
  border-radius: 3px;
  background: linear-gradient(180deg, hsl(75 25% 82%), hsl(75 20% 68%));
  box-shadow: inset 0 -2px 5px hsl(75 15% 50% / 0.6);
}
.ba-tap {
  position: absolute; left: 50%; bottom: 34.5%;
  width: 2.2%; height: 6%;
  transform: translateX(-50%);
  border-radius: 4px 4px 0 0;
  background: linear-gradient(90deg, hsl(38 55% 50%), hsl(42 65% 66%), hsl(32 55% 44%));
  box-shadow: 0 2px 8px hsl(32 60% 40% / 0.5);
}
.ba-tap::after {
  content: ""; position: absolute; top: 0; left: 50%;
  width: 320%; height: 22%;
  transform: translateX(-50%);
  border-radius: 4px;
  background: inherit;
}

/* BEFORE scene — tired avocado 90s bathroom.
   Reveal = two counter-translating layers (transform only, no clip-path):
   the outer clips, the inner shifts content back so it appears static.
   Keeps every frame on the GPU compositor — no repaint of the SVG textures. */
.ba-clip {
  position: absolute; inset: 0;
  overflow: clip;
  transform: translateX(calc(var(--pos) - 100%));
  will-change: transform;
}
.ba-before {
  transform: translateX(calc(100% - var(--pos)));
  will-change: transform;
}
.ba-oldtiles {
  position: absolute; inset: 0;
  background:
    repeating-linear-gradient(0deg, transparent 0 44px, hsl(70 12% 40% / 0.55) 44px 46px),
    repeating-linear-gradient(90deg, transparent 0 44px, hsl(70 12% 40% / 0.55) 44px 46px),
    linear-gradient(160deg, hsl(72 22% 62%), hsl(70 20% 52%) 55%, hsl(68 18% 46%));
}
.ba-stain {
  position: absolute; border-radius: 50%;
  filter: blur(14px);
  background: hsl(30 30% 25% / 0.4);
}
.ba-stain.s1 { width: 22%; height: 20%; left: 6%; bottom: 8%; }
.ba-stain.s2 { width: 16%; height: 26%; right: 4%; top: 14%; background: hsl(60 20% 20% / 0.32); }
.ba-vignette {
  position: absolute; inset: 0;
  background: radial-gradient(90% 80% at 50% 40%, transparent 40%, hsl(60 15% 12% / 0.5));
}

.ba-tag {
  position: absolute; top: 1.1rem;
  font-size: 0.72rem; font-weight: 620; letter-spacing: 0.22em; text-transform: uppercase;
  padding: 0.45rem 0.9rem; border-radius: 999px;
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
}
.ba-tag-before { left: 1.1rem; background: hsl(60 15% 10% / 0.55); color: hsl(60 20% 88%); }
.ba-tag-after { right: 1.1rem; background: hsl(35 40% 20% / 0.5); color: hsl(40 60% 90%); }

.ba-handle {
  position: absolute; inset: 0;
  pointer-events: none; /* container owns the pointer; this is visual + focus only */
  outline: none;
}
.ba-rail {
  position: absolute; inset: 0;
  transform: translateX(calc(var(--pos) - 100%));
  will-change: transform;
}
.ba-line {
  position: absolute; top: 0; bottom: 0; right: -1px; width: 2px;
  background: linear-gradient(180deg, hsl(42 70% 72%), hsl(38 62% 58%), hsl(26 70% 46%));
  box-shadow: 0 0 18px hsl(38 62% 58% / 0.7);
}
.ba-knob {
  position: absolute; top: 50%; right: 0;
  width: 54px; height: 54px;
  transform: translate(50%, -50%);
  border-radius: 50%;
  display: grid; place-items: center;
  background: var(--brass-grad);
  color: hsl(216 30% 8%);
  box-shadow: 0 6px 24px hsl(30 60% 30% / 0.55), inset 0 1px 0 hsl(45 80% 80%);
  transition: transform 0.2s var(--ease-out);
}
.ba-knob svg { width: 24px; height: 24px; }
.ba-slider:active .ba-knob, .ba-handle:focus-visible .ba-knob { transform: translate(50%, -50%) scale(1.12); }
.ba-handle:focus-visible .ba-knob { outline: 2px solid var(--text); outline-offset: 3px; }

.ba-note {
  text-align: center; margin-top: 1.2rem;
  font-size: 0.85rem; color: hsl(220 10% 45%);
}

/* ═══════════ PROCESS ═══════════ */
.process { background: var(--ink-2); border-block: 1px solid var(--line); }
.process-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1.1rem;
  counter-reset: step;
}
.step {
  position: relative;
  padding: 2rem 1.5rem 1.7rem;
  border-radius: 18px;
  background: var(--surface);
  box-shadow: inset 0 0 0 1px var(--line);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s ease;
}
.step:hover { transform: translateY(-5px); box-shadow: inset 0 0 0 1px hsl(38 40% 35% / 0.5), 0 16px 36px hsl(216 40% 2% / 0.45); }
.step-num {
  display: inline-grid; place-items: center;
  width: 44px; height: 44px; border-radius: 50%;
  font-family: var(--font-display); font-style: italic; font-size: 1.3rem;
  color: var(--brass);
  box-shadow: inset 0 0 0 1.5px hsl(38 62% 60% / 0.45);
  margin-bottom: 1.2rem;
}
.step h3 { font-size: 1.08rem; font-weight: 540; margin-bottom: 0.5rem; }
.step p { font-size: 0.92rem; color: var(--muted); }
@media (max-width: 980px) { .process-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px)  { .process-grid { grid-template-columns: 1fr; } }

/* ═══════════ MATERIALS ═══════════ */
.materials { background: var(--ink); }
.mat-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.1rem;
}
.mat-card { border-radius: 18px; overflow: clip; background: var(--surface); box-shadow: inset 0 0 0 1px var(--line); }
.mat-swatch { aspect-ratio: 1 / 1.05; overflow: clip; }
.mat-swatch svg {
  width: 100%; height: 100%;
  transform: scale(1.02);
  transition: transform 0.6s var(--ease-out), filter 0.4s ease;
}
.mat-card:hover .mat-swatch svg { transform: scale(1.12); filter: brightness(1.08); }
.mat-card figcaption { padding: 1rem 1.2rem 1.1rem; display: flex; flex-direction: column; gap: 0.1rem; }
.mat-card strong { font-weight: 560; font-size: 0.98rem; }
.mat-card span { font-size: 0.82rem; color: var(--muted); }
@media (max-width: 900px) { .mat-grid { grid-template-columns: repeat(2, 1fr); } }

/* ═══════════ STATS ═══════════ */
.stats {
  background:
    radial-gradient(70% 120% at 50% 0%, hsl(32 45% 22% / 0.35), transparent 70%),
    var(--ink-2);
  border-block: 1px solid var(--line);
  padding-block: clamp(3rem, 7vw, 5rem);
}
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; text-align: center; }
.stat { display: flex; flex-direction: column; gap: 0.3rem; }
.stat-num {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 1.6rem + 3.5vw, 4rem);
  font-weight: 420; line-height: 1;
  background: var(--brass-grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  font-variant-numeric: tabular-nums;
}
.stat-label { font-size: 0.82rem; color: var(--muted); letter-spacing: 0.12em; text-transform: uppercase; }
@media (max-width: 700px) { .stats-grid { grid-template-columns: repeat(2, 1fr); row-gap: 2.2rem; } }

/* ═══════════ REVIEWS ═══════════ */
.reviews { background: var(--ink); }
.reviews-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem; }
.review {
  padding: 1.9rem 1.7rem;
  border-radius: 18px;
  background: linear-gradient(165deg, var(--surface), var(--ink-2) 85%);
  box-shadow: inset 0 0 0 1px var(--line);
  display: flex; flex-direction: column; gap: 1rem;
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s ease;
}
.review:hover { transform: translateY(-5px); box-shadow: inset 0 0 0 1px hsl(38 40% 35% / 0.5), 0 16px 36px hsl(216 40% 2% / 0.45); }
.review-stars { color: var(--brass); letter-spacing: 0.2em; font-size: 0.95rem; }
.review p {
  font-family: var(--font-display); font-style: italic;
  font-size: 1.06rem; font-weight: 360; line-height: 1.55;
  color: hsl(38 20% 88%);
  flex: 1;
}
.review footer { display: flex; flex-direction: column; gap: 0.1rem; }
.review footer strong { font-weight: 560; font-size: 0.95rem; }
.review footer span { font-size: 0.8rem; color: var(--muted); }
.reviews-note { text-align: center; margin-top: 1.4rem; font-size: 0.85rem; color: hsl(220 10% 45%); }
@media (max-width: 900px) { .reviews-grid { grid-template-columns: 1fr; max-width: 560px; margin-inline: auto; } }

/* ═══════════ FAQ ═══════════ */
.faq { background: var(--ink-2); border-top: 1px solid var(--line); }
.faq-grid { display: grid; grid-template-columns: 1fr 1.35fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: start; }
.faq-sub { color: var(--muted); margin-top: 1rem; max-width: 34ch; }
.faq-item {
  border-bottom: 1px solid var(--line);
}
.faq-item summary {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1.3rem 0.2rem;
  font-size: 1.05rem; font-weight: 480;
  cursor: pointer; list-style: none;
  transition: color 0.2s ease;
  min-height: 44px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--brass); }
.faq-plus { position: relative; width: 20px; height: 20px; flex: none; }
.faq-plus::before, .faq-plus::after {
  content: ""; position: absolute; inset: 0; margin: auto;
  background: var(--brass); border-radius: 2px;
  transition: transform 0.3s var(--ease-out);
}
.faq-plus::before { width: 16px; height: 2px; }
.faq-plus::after { width: 2px; height: 16px; }
.faq-item[open] .faq-plus::after { transform: rotate(90deg); }
.faq-item p {
  padding: 0 2.4rem 1.4rem 0.2rem;
  color: var(--muted); font-size: 0.96rem;
  animation: faqIn 0.35s var(--ease-out);
}
@keyframes faqIn { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }
@media (max-width: 820px) { .faq-grid { grid-template-columns: 1fr; } }

/* ═══════════ CONTACT ═══════════ */
.contact { position: relative; background: var(--ink); overflow: clip; }
.contact-bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.mesh-d {
  width: 60vw; height: 60vw; min-width: 500px; min-height: 500px;
  right: -22%; bottom: -35%;
  background: radial-gradient(circle, hsl(32 55% 34% / 0.28), transparent 65%);
}
.contact-grid {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 5vw, 5rem); align-items: start;
}
.contact-copy > p { color: var(--muted); margin: 1.2rem 0 2rem; max-width: 44ch; }

.contact-channels { display: flex; flex-direction: column; gap: 0.8rem; }
.channel {
  display: flex; align-items: center; gap: 1rem;
  padding: 1rem 1.2rem; border-radius: 16px;
  background: var(--surface);
  box-shadow: inset 0 0 0 1px var(--line);
  transition: transform 0.25s var(--ease-out), box-shadow 0.25s ease;
}
.channel:hover { transform: translateX(6px); box-shadow: inset 0 0 0 1px hsl(38 40% 35% / 0.55); }
.channel-icon {
  width: 46px; height: 46px; flex: none; border-radius: 12px;
  display: grid; place-items: center;
  background: hsl(38 62% 60% / 0.1); color: var(--brass);
  box-shadow: inset 0 0 0 1px hsl(38 62% 60% / 0.2);
}
.channel-icon svg { width: 22px; height: 22px; }
.channel-body { display: flex; flex-direction: column; line-height: 1.35; }
.channel-body strong { font-weight: 560; font-size: 0.98rem; }
.channel-body span { font-size: 0.85rem; color: var(--muted); }

.quote-form {
  padding: clamp(1.6rem, 3vw, 2.4rem);
  border-radius: 22px;
  background: linear-gradient(165deg, var(--surface), var(--ink-2));
  box-shadow: inset 0 0 0 1px var(--line), 0 30px 70px hsl(216 40% 2% / 0.55);
}
.quote-form h3 { font-family: var(--font-display); font-weight: 420; font-size: 1.5rem; margin-bottom: 1.5rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.field { display: flex; flex-direction: column; gap: 0.45rem; margin-bottom: 1.1rem; }
.field label { font-size: 0.82rem; font-weight: 520; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); }
.field input, .field select, .field textarea {
  font-family: var(--font-body); font-size: 1rem; font-weight: 380;
  color: var(--text);
  background: hsl(216 25% 6%);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.85rem 1rem;
  min-height: 48px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  appearance: none;
}
.field textarea { resize: vertical; min-height: 110px; }
.field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%23c9a35c' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m4 6 4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
}
.field input::placeholder, .field textarea::placeholder { color: hsl(220 10% 38%); }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: hsl(38 62% 60% / 0.6);
  box-shadow: 0 0 0 3px hsl(38 62% 60% / 0.14);
}
.field input.field-error { border-color: hsl(4 70% 55% / 0.7); box-shadow: 0 0 0 3px hsl(4 70% 55% / 0.12); }
.form-note { margin-top: 0.9rem; font-size: 0.82rem; color: hsl(220 10% 45%); text-align: center; }
@media (max-width: 880px) {
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}

/* ═══════════ FOOTER ═══════════ */
.footer { background: var(--ink-2); border-top: 1px solid var(--line); padding: 3.5rem 0 2rem; }
.footer-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2rem; padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--line);
}
.footer-brand p { margin-top: 1rem; font-size: 0.9rem; color: var(--muted); }
.footer-links { display: flex; flex-direction: column; gap: 0.7rem; }
.footer-links a, .footer-contact a { font-size: 0.94rem; color: var(--muted); transition: color 0.2s ease; width: fit-content; padding-block: 2px; }
.footer-links a:hover, .footer-contact a:hover { color: var(--brass); }
.footer-contact { display: flex; flex-direction: column; gap: 0.7rem; }
.footer-base {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 0.6rem;
  padding-top: 1.6rem;
  font-size: 0.8rem; color: hsl(220 10% 42%);
}
@media (max-width: 720px) { .footer-grid { grid-template-columns: 1fr; } }

/* ═══════════ WHATSAPP FLOAT ═══════════ */
.wa-float {
  position: fixed; right: 1.2rem; bottom: 1.2rem; z-index: 90;
  width: 58px; height: 58px; border-radius: 50%;
  display: grid; place-items: center;
  background: hsl(142 70% 40%);
  color: #fff;
  box-shadow: 0 8px 28px hsl(142 70% 25% / 0.5);
  transition: transform 0.25s var(--ease-out), box-shadow 0.25s ease;
  animation: waIn 0.6s var(--ease-out) 1.4s both;
}
.wa-float svg { width: 28px; height: 28px; }
.wa-float:hover { transform: translateY(-4px) scale(1.06); box-shadow: 0 14px 36px hsl(142 70% 25% / 0.6); }
@keyframes waIn { from { opacity: 0; transform: translateY(20px) scale(0.8); } to { opacity: 1; transform: none; } }

/* ═══════════ REVEAL ON SCROLL ═══════════ */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s ease, transform 0.7s var(--ease-out);
  transition-delay: calc(var(--i, 0) * 70ms);
}
.reveal.in { opacity: 1; transform: none; }
/* if JS is disabled, never hide content */
.no-observer .reveal { opacity: 1; transform: none; }

/* ═══════════ REDUCED MOTION ═══════════ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .marquee-track { animation: none; }
}