/* ----------- Apple-style light theme (freshened) ----------- */
:root{
  --bg:#fafafa;
  --surface:#ffffff;
  --text:#0a0a0a;
  --muted:#6b7280;
  --line:#e5e7eb;
  --shadow: 0 10px 30px rgba(0,0,0,.06);

  --brand:#007aff;
  --brand-ink:#0256b8;
  --radius:14px;
  --ease: cubic-bezier(.22,.61,.36,1);
  --speed: .25s;
}

*{box-sizing:border-box}
html,body{height:100%}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font:16px/1.55 -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,Apple Color Emoji,Segoe UI Emoji;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1180px;margin-inline:auto;padding:0 20px}
.skip{position:absolute;left:-9999px}

/* Header */
header.site{
  position:sticky;top:0;z-index:40;
  background:rgba(250,250,250,.75);
  backdrop-filter:saturate(180%) blur(20px);
  border-bottom:1px solid var(--line)
}
header.site .container{display:flex;align-items:center;gap:16px;justify-content:space-between;padding:14px 20px}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:700;font-size:1.05rem;letter-spacing:.2px}
.brand .logo{width:28px;height:28px;border-radius:7px;background:linear-gradient(180deg,#ffd19b,#ff9a41);box-shadow:0 4px 12px rgba(255,170,85,.45)}
nav{display:flex;gap:1rem;align-items:center}
nav a{color:#111827;padding:.5rem .6rem;border-radius:8px}
nav a:hover{background:#f3f4f6;text-decoration:none}
.nav-cta{margin-left:.25rem}
.menu-toggle{display:none;flex-direction:column;gap:4px;background:transparent;border:0}
.menu-toggle span{width:22px;height:2px;background:#111;border-radius:99px;display:block}
@media (max-width: 880px){
  nav{position:fixed;inset:0 0 auto 0;top:60px;background:rgba(250,250,250,.98);display:none;flex-direction:column;padding:16px;border-top:1px solid var(--line)}
  nav.open{display:flex}
  .menu-toggle{display:flex}
  .nav-cta{width:100%}
}

/* Hero */
.hero{padding:64px 0 28px;background:linear-gradient(180deg,#ffffff, #fafafa)}
.wrap{display:grid;grid-template-columns: 1.1fr 1fr;gap:36px;align-items:center}
.hero h1{font-size:clamp(32px, 5vw, 56px);line-height:1.05;margin:0 0 16px;font-weight:800;letter-spacing:-.02em}
.hero p{font-size:1.125rem;color:#374151;margin:0 0 22px}
.hero .hl{background:linear-gradient(90deg,#111,#3b82f6);-webkit-background-clip:text;background-clip:text;color:transparent}
.cta{display:flex;flex-wrap:wrap;gap:10px}
.btn{
  appearance:none;border:1px solid var(--line);border-radius:12px;
  padding:.9rem 1.15rem;background:var(--surface);color:#111;font-weight:600;cursor:pointer;
  box-shadow:var(--shadow);transition:transform var(--speed) var(--ease), box-shadow var(--speed) var(--ease), filter var(--speed) var(--ease)
}
.btn:hover{transform:translateY(-1px);box-shadow:0 12px 24px rgba(0,0,0,.08)}
.btn-primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn-primary:hover{filter:brightness(1.03);box-shadow:0 10px 22px rgba(0,122,255,.25)}
.btn-soft{background:#fff;border-color:var(--line);color:#111}
.stats{display:flex;gap:16px;flex-wrap:wrap;margin-top:18px;padding:0}
.stats li{list-style:none;background:#fff;border:1px solid var(--line);padding:10px 14px;border-radius:12px}
.stats .v{font-weight:800;font-size:1.05rem}
.hero-visual img,.hero-visual video{border-radius:16px;border:1px solid var(--line)}
.hero-video{width:100%;height:auto;display:block}

/* Logos marquee */
.trust{padding:0;background:#fff}
.logos-marquee{overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff;padding:10px 0}
.logos-track{display:flex;gap:60px;align-items:center;animation:logos-scroll 36s linear infinite;will-change:transform}
.logos-track img{height:32px;object-fit:contain;opacity:.95;filter:none}
.logos-marquee:hover .logos-track{animation-play-state:paused}
@keyframes logos-scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* Sections */
.section{padding:56px 0}
.section h2{font-size:clamp(24px, 3vw, 36px);margin:0 0 12px;letter-spacing:-.01em}
.lead{color:#4b5563;max-width:820px}

/* Cards / surfaces */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);transition:transform var(--speed) var(--ease), box-shadow var(--speed) var(--ease)}
.card:hover{transform:translateY(-2px)}
.cards{display:grid;grid-template-columns:repeat(12,1fr);gap:16px;margin-top:18px}
@media (min-width:740px){.card{grid-column:span 6}} @media (min-width:1024px){.card{grid-column:span 3}}

/* Materials */
.materials{display:grid;grid-template-columns:repeat(12,1fr);gap:16px;margin-top:22px}
.mat{grid-column:span 6;background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px;box-shadow:var(--shadow);transition:transform var(--speed) var(--ease)}
.mat:hover{transform:translateY(-2px)}
.mat h4{margin:0 0 6px}
.mat p{margin:0;color:#4b5563}
.mat .tag{font-size:.85rem;color:#6b7280}
@media(min-width:860px){.mat{grid-column:span 4}}

/* Estimator */
.estimator{display:grid;grid-template-columns:1fr;gap:14px}
.estimator label{display:flex;justify-content:space-between;gap:12px;align-items:center;font-weight:600}
.estimator input[type=range]{width:100%}
.price{font-size:1.8rem;font-weight:900}

/* Gallery */
.gallery{columns:2;column-gap:12px}
.gallery .shot{break-inside:avoid;border-radius:16px;overflow:hidden;border:1px solid var(--line);margin:0 0 12px;background:#fff;box-shadow:var(--shadow)}
.gallery .shot img{width:100%;height:auto;transition:filter var(--speed) var(--ease)}
.gallery .shot:hover img{filter:saturate(1.02) contrast(1.02)}
@media(min-width:900px){.gallery{columns:3}}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(12,1fr);gap:16px;margin-top:20px}
.step{grid-column:span 12}
@media(min-width:860px){.step{grid-column:span 3}}

/* Reviews */
.reviews{position:relative}
.track{display:flex;gap:16px;overflow:hidden;scroll-behavior:smooth}
.review{flex:0 0 85%;max-width:420px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px;box-shadow:var(--shadow)}
.stars{color:#f59e0b}
.carousel-btn{position:absolute;top:50%;transform:translateY(-50%);border:1px solid var(--line);background:#fff;padding:8px 12px;border-radius:999px;cursor:pointer;box-shadow:var(--shadow)}
.carousel-btn.prev{left:-4px} .carousel-btn.next{right:-4px}
@media(min-width:860px){.review{flex:0 0 32%}.carousel-btn{display:none}}

/* Quote form & upload */
form.quote{display:grid;grid-template-columns:1fr;gap:14px}
.grid{display:grid;grid-template-columns:1fr;gap:12px}
@media(min-width:720px){.grid{grid-template-columns:1fr 1fr}}
.field{display:flex;flex-direction:column;gap:6px}
input,select,textarea{background:#fff;border:1px solid var(--line);border-radius:12px;color:#111;padding:12px;box-shadow:var(--shadow)}
input:focus,select:focus,textarea:focus{outline:none;border-color:#c7d2fe;box-shadow:0 0 0 4px rgba(59,130,246,.15)}
.help{font-size:.9rem;color:#6b7280}
.actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.upload{position:relative;display:grid;gap:12px;align-items:start}
.upload .icon{width:42px;height:42px;border-radius:12px;border:1px dashed var(--line);display:grid;place-items:center;color:#6b7280;background:#fff}

/* Footer */
footer{border-top:1px solid var(--line);margin-top:56px;background:#fff}
.foot{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:24px 0}

/* Floating CTA */
.float-cta{position:fixed;right:14px;bottom:14px;z-index:60}

/* Reveal on scroll */
.reveal{opacity:0;translate:0 10px;transition:opacity .5s var(--ease), translate .5s var(--ease)}
.reveal.in{opacity:1;translate:0}

/* Mobile polish */
@media (max-width: 880px){
  .wrap{grid-template-columns:1fr;gap:20px}
  .hero-copy{order:1}
  .hero-visual{order:2}
  .hero h1{font-size:clamp(28px, 9vw, 40px)}
  .stats{margin-top:12px}
  .stats li{flex:1 1 calc(50% - 8px)}
}
@media (max-width: 520px){
  .container{padding:0 16px}
  .btn{width:100%}
  .hero p{font-size:1rem}
  .cards{grid-template-columns:1fr}
  .materials{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .gallery{columns:1}
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .logos-track{animation:none}
  .reveal{transition:none;opacity:1;translate:0}
}

/* Desktop layout for hero CTA + stats; mobile keeps default */
@media (min-width: 900px){
  .hero .cta{display:grid;grid-template-columns:1fr 1fr;gap:16px}
  .hero .stats{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:18px}
  .hero .cta .btn, .hero .stats li{ text-align:center }
}

/* --- FAQ dropdown (clean + obvious) --- */
#faq details{background:#fff;border:1px solid var(--line);border-radius:14px;margin:12px 0;padding:14px 16px;box-shadow:var(--shadow)}
#faq summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:10px;font-weight:800}
#faq summary::-webkit-details-marker{display:none}
#faq summary::after{content:"▾";margin-left:auto;transition:transform var(--speed) var(--ease);font-weight:900}
#faq details[open] summary::after{transform:rotate(-180deg)}
#faq details[open]{box-shadow:0 10px 24px rgba(0,0,0,.06)}
#faq p{margin:8px 0 0;color:#4b5563}