/* ============================================================
   IDEAL Conditioner — premium storefront
   Design system + components
   ============================================================ */
:root{
  --ink:#0e1c1b;
  --ink-2:#1b302e;
  --teal:#0f5c54;
  --teal-deep:#0a3f3a;
  --teal-glow:#1f8b7f;
  --mint:#dff0ec;
  --mint-2:#eef7f4;
  --paper:#f6f3ee;
  --paper-2:#fbf9f5;
  --brass:#c2a25f;
  --brass-deep:#a8853f;
  --line:rgba(14,28,27,.12);
  --shadow-sm:0 2px 10px rgba(10,40,36,.08);
  --shadow-md:0 18px 50px -18px rgba(10,40,36,.35);
  --shadow-lg:0 40px 90px -30px rgba(10,40,36,.45);
  --serif:"Fraunces",Georgia,"Times New Roman",serif;
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --r:18px;
  --maxw:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--sans);
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
  font-size:17px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
h1,h2,h3{font-family:var(--serif);font-weight:500;line-height:1.08;letter-spacing:-.01em}
.eyebrow{
  font-family:var(--sans);font-weight:600;font-size:12.5px;letter-spacing:.22em;
  text-transform:uppercase;color:var(--teal);display:inline-block;margin-bottom:18px;
}
.eyebrow.light{color:var(--brass)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;cursor:pointer;border:none;
  font-family:var(--sans);font-weight:600;font-size:15px;letter-spacing:.01em;
  padding:15px 28px;border-radius:100px;transition:.25s cubic-bezier(.2,.7,.3,1);
  background:var(--ink);color:var(--paper-2);box-shadow:var(--shadow-sm);
}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn.brass{background:linear-gradient(180deg,var(--brass),var(--brass-deep));color:#241a06}
.btn.teal{background:linear-gradient(180deg,var(--teal-glow),var(--teal-deep));color:#eafffb}
.btn.ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--line)}
.btn.ghost:hover{box-shadow:inset 0 0 0 1.5px var(--teal);color:var(--teal)}
.btn.lg{padding:18px 34px;font-size:16px}
.btn .arr{transition:transform .25s}
.btn:hover .arr{transform:translateX(4px)}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  backdrop-filter:saturate(140%) blur(14px);
  background:rgba(246,243,238,.82);
  border-bottom:1px solid transparent;transition:.3s;
}
.site-header.scrolled{border-bottom-color:var(--line);box-shadow:0 6px 24px -18px rgba(10,40,36,.5)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:11px;font-family:var(--serif);font-size:21px;font-weight:600;letter-spacing:-.01em}
.brand .mark{
  width:30px;height:30px;border-radius:9px;flex:none;
  background:radial-gradient(120% 120% at 30% 20%,var(--teal-glow),var(--teal-deep));
  box-shadow:inset 0 1px 2px rgba(255,255,255,.4),var(--shadow-sm);position:relative;
}
.brand .mark::after{content:"";position:absolute;inset:7px 9px auto 7px;height:7px;border-radius:6px;background:rgba(255,255,255,.55)}
.nav-links{display:flex;align-items:center;gap:34px;font-weight:500;font-size:15px}
.nav-links a{color:var(--ink-2);transition:color .2s;position:relative}
.nav-links a:hover{color:var(--teal)}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-6px;height:2px;width:0;background:var(--teal);transition:width .25s}
.nav-links a:hover::after{width:100%}
.nav-cta{display:flex;align-items:center;gap:14px}
.menu-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px}
.menu-toggle span{display:block;width:22px;height:2px;background:var(--ink);margin:4px 0;transition:.3s}

/* ---------- hero ---------- */
.hero{position:relative;padding:70px 0 90px;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(60% 50% at 80% 8%,rgba(31,139,127,.16),transparent 70%),
    radial-gradient(50% 60% at 8% 90%,rgba(194,162,95,.14),transparent 70%);
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero h1{font-size:clamp(40px,6vw,72px);margin:14px 0 22px}
.hero h1 em{font-style:italic;color:var(--teal)}
.hero p.lead{font-size:19px;color:var(--ink-2);max-width:30em;margin-bottom:32px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.hero-rating{display:flex;align-items:center;gap:10px;margin-top:28px;font-size:14.5px;color:var(--ink-2)}
.stars{color:var(--brass);letter-spacing:2px;font-size:15px}
.hero-art{position:relative;aspect-ratio:1/1;display:grid;place-items:center}
.hero-art .glow{position:absolute;inset:6%;border-radius:50%;
  background:radial-gradient(circle at 40% 35%,rgba(255,255,255,.9),rgba(223,240,236,.6) 45%,rgba(15,92,84,.12) 75%);
  filter:blur(2px);box-shadow:var(--shadow-lg)}
.hero-art img{position:relative;width:78%;border-radius:24px;box-shadow:var(--shadow-lg);
  transform:rotate(-3deg);transition:transform .6s cubic-bezier(.2,.7,.3,1)}
.hero-art:hover img{transform:rotate(0) scale(1.02)}
.hero-badge{position:absolute;background:var(--paper-2);border:1px solid var(--line);
  border-radius:14px;padding:12px 16px;box-shadow:var(--shadow-md);font-size:13px;font-weight:600}
.hero-badge .t{font-family:var(--serif);font-size:22px;color:var(--teal);display:block;line-height:1}
.hero-badge.b1{top:8%;right:-2%}
.hero-badge.b2{bottom:10%;left:-4%}

/* ---------- marquee strip ---------- */
.strip{background:var(--ink);color:var(--mint);padding:16px 0;overflow:hidden;white-space:nowrap}
.strip-track{display:inline-flex;gap:56px;animation:marq 26s linear infinite;font-size:14px;letter-spacing:.04em}
.strip-track span{display:inline-flex;align-items:center;gap:56px;font-weight:500}
.strip-track span::after{content:"✦";color:var(--brass)}
@keyframes marq{to{transform:translateX(-50%)}}

/* ---------- sections ---------- */
section{padding:96px 0}
.sec-head{max-width:620px;margin:0 auto 56px;text-align:center}
.sec-head h2{font-size:clamp(30px,4.4vw,48px);margin-bottom:16px}
.sec-head p{color:var(--ink-2);font-size:18px}

/* value props */
.props{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.prop{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r);padding:34px 30px;transition:.3s}
.prop:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:transparent}
.prop .ic{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;margin-bottom:20px;
  background:var(--mint);color:var(--teal-deep);font-size:24px}
.prop h3{font-size:21px;margin-bottom:10px}
.prop p{color:var(--ink-2);font-size:15.5px}

/* products */
.products{background:linear-gradient(180deg,var(--mint-2),var(--paper))}
.prod-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:30px}
.card{background:var(--paper-2);border:1px solid var(--line);border-radius:24px;overflow:hidden;
  display:flex;flex-direction:column;transition:.35s cubic-bezier(.2,.7,.3,1)}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.card-media{position:relative;aspect-ratio:4/3;background:
  radial-gradient(80% 80% at 50% 30%,#fff,var(--mint) 90%);display:grid;place-items:center;overflow:hidden}
.card-media img{width:64%;transition:transform .5s}
.card:hover .card-media img{transform:scale(1.05)}
.card-tag{position:absolute;top:16px;left:16px;background:var(--ink);color:var(--mint);
  font-size:11.5px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;padding:7px 12px;border-radius:100px}
.card-save{position:absolute;top:16px;right:16px;background:var(--brass);color:#241a06;
  font-size:12px;font-weight:700;padding:7px 12px;border-radius:100px}
.card-body{padding:28px 28px 30px;display:flex;flex-direction:column;flex:1}
.card-body h3{font-size:25px;margin-bottom:8px}
.card-body .desc{color:var(--ink-2);font-size:15.5px;margin-bottom:20px;flex:1}
.price{display:flex;align-items:baseline;gap:12px;margin-bottom:22px}
.price .now{font-family:var(--serif);font-size:30px;color:var(--ink)}
.price .was{font-size:17px;color:#8a958f;text-decoration:line-through}
.price .unit{font-size:13px;color:#8a958f;margin-left:auto}
.card-actions{display:flex;gap:12px}
.card-actions .btn{flex:1;justify-content:center}

/* split feature */
.split{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.split.rev .split-media{order:2}
.split-media{border-radius:24px;overflow:hidden;box-shadow:var(--shadow-lg);aspect-ratio:5/4;
  background:radial-gradient(80% 80% at 50% 30%,#fff,var(--mint) 95%);display:grid;place-items:center}
.split-media img{width:60%}
.split h2{font-size:clamp(28px,4vw,44px);margin-bottom:18px}
.split p{color:var(--ink-2);margin-bottom:16px}
.ticks{list-style:none;margin:22px 0 30px;display:grid;gap:12px}
.ticks li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px}
.ticks li::before{content:"✓";flex:none;width:24px;height:24px;border-radius:50%;
  background:var(--mint);color:var(--teal-deep);display:grid;place-items:center;font-size:13px;font-weight:700;margin-top:1px}

/* dark band / testimonial */
.band{background:radial-gradient(120% 140% at 80% 0%,var(--teal-deep),var(--ink) 60%);color:var(--paper);text-align:center}
.band .eyebrow{color:var(--brass)}
.band h2{font-size:clamp(28px,4vw,46px);max-width:16em;margin:0 auto 20px;color:#fff}
.band .quote{font-family:var(--serif);font-style:italic;font-size:clamp(22px,3vw,30px);
  max-width:18em;margin:0 auto;color:#eafffb;line-height:1.3}
.band .who{margin-top:24px;font-size:14px;letter-spacing:.04em;color:var(--mint)}

/* FAQ */
.faq-list{max-width:760px;margin:0 auto;display:grid;gap:14px}
.faq{background:var(--paper-2);border:1px solid var(--line);border-radius:16px;overflow:hidden}
.faq summary{cursor:pointer;list-style:none;padding:22px 26px;font-weight:600;font-size:17px;
  display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary .pm{flex:none;width:26px;height:26px;border-radius:50%;background:var(--mint);
  color:var(--teal-deep);display:grid;place-items:center;font-size:18px;transition:.3s}
.faq[open] summary .pm{transform:rotate(45deg)}
.faq .ans{padding:0 26px 24px;color:var(--ink-2);font-size:15.5px}

/* CTA */
.cta-final{text-align:center;background:linear-gradient(180deg,var(--paper),var(--mint-2))}
.cta-final h2{font-size:clamp(32px,5vw,56px);margin-bottom:18px}
.cta-final p{color:var(--ink-2);font-size:18px;max-width:34em;margin:0 auto 32px}

/* footer */
.site-footer{background:var(--ink);color:#b9c9c5;padding:70px 0 36px;font-size:14.5px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:46px;border-bottom:1px solid rgba(255,255,255,.1)}
.foot-brand .brand{color:#fff;margin-bottom:16px}
.foot-brand p{max-width:26em;color:#8fa39e}
.foot-col h4{font-family:var(--sans);color:#fff;font-size:13px;letter-spacing:.14em;text-transform:uppercase;margin-bottom:18px;font-weight:600}
.foot-col a{display:block;color:#b9c9c5;margin-bottom:11px;transition:color .2s}
.foot-col a:hover{color:var(--brass)}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:26px;color:#7d918c;font-size:13px;gap:16px;flex-wrap:wrap}

/* ---------- checkout modal ---------- */
.modal{position:fixed;inset:0;z-index:200;display:none;align-items:center;justify-content:center;padding:24px}
.modal.open{display:flex}
.modal-overlay{position:absolute;inset:0;background:rgba(8,20,18,.55);backdrop-filter:blur(6px);animation:fade .3s}
.modal-panel{position:relative;width:min(560px,100%);height:min(88vh,820px);background:var(--paper-2);
  border-radius:22px;overflow:hidden;box-shadow:var(--shadow-lg);display:flex;flex-direction:column;
  animation:pop .35s cubic-bezier(.2,.8,.3,1)}
.modal-top{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;
  border-bottom:1px solid var(--line);background:var(--paper)}
.modal-top .mt-title{display:flex;align-items:center;gap:10px;font-weight:600;font-size:15px}
.modal-top .mt-title .dot{width:9px;height:9px;border-radius:50%;background:var(--teal-glow);box-shadow:0 0 0 4px rgba(31,139,127,.18)}
.modal-top .secure{font-size:12px;color:#8a958f;display:flex;align-items:center;gap:6px}
.modal-close{background:none;border:none;cursor:pointer;width:34px;height:34px;border-radius:50%;
  display:grid;place-items:center;font-size:20px;color:var(--ink-2);transition:.2s}
.modal-close:hover{background:var(--mint);color:var(--ink)}
.modal-frame{flex:1;position:relative;background:var(--paper-2)}
.modal-frame iframe{width:100%;height:100%;border:0}
.modal-loading{position:absolute;inset:0;display:grid;place-items:center;gap:14px;text-align:center;color:var(--ink-2)}
.modal-loading .spin{width:38px;height:38px;border-radius:50%;border:3px solid var(--mint);
  border-top-color:var(--teal);animation:spin 1s linear infinite;margin:0 auto}
.modal-foot{padding:12px 20px;border-top:1px solid var(--line);text-align:center;font-size:12.5px;color:#8a958f;background:var(--paper)}
.modal-foot a{color:var(--teal);font-weight:600}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes fade{from{opacity:0}}
@keyframes pop{from{opacity:0;transform:translateY(16px) scale(.97)}}

/* reveal — progressive enhancement: only hides when JS is active */
.js .reveal{opacity:0;transform:translateY(24px);transition:opacity .7s,transform .7s}
.js .reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.js .reveal{opacity:1;transform:none;transition:none}}

/* product detail page */
.pdp{padding:56px 0 90px}
.pdp-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.pdp-media{position:sticky;top:96px;border-radius:24px;overflow:hidden;box-shadow:var(--shadow-lg);
  aspect-ratio:1/1;background:radial-gradient(80% 80% at 50% 30%,#fff,var(--mint) 95%);display:grid;place-items:center}
.pdp-media img{width:72%}
.pdp h1{font-size:clamp(32px,4.5vw,52px);margin:6px 0 14px}
.pdp .price{margin:20px 0 26px}
.pdp .price .now{font-size:34px}
.pdp .longdesc{color:var(--ink-2);margin:24px 0}
.pdp .longdesc h3{font-family:var(--sans);font-weight:700;font-size:17px;margin:22px 0 8px;color:var(--ink)}
.pdp .longdesc p{margin-bottom:12px}
.crumbs{font-size:13.5px;color:#8a958f;margin-bottom:18px}
.crumbs a:hover{color:var(--teal)}
.buybar{display:flex;gap:12px;margin:8px 0 22px}
.buybar .btn{flex:1;justify-content:center}
.trust-row{display:flex;gap:22px;flex-wrap:wrap;margin-top:24px;padding-top:24px;border-top:1px solid var(--line)}
.trust-row div{font-size:13.5px;color:var(--ink-2);display:flex;align-items:center;gap:8px}
.trust-row .em{color:var(--teal)}

/* page hero (about/contact) */
.page-hero{padding:64px 0 30px;text-align:center}
.page-hero h1{font-size:clamp(36px,5vw,58px);margin:12px 0 16px}
.page-hero p{color:var(--ink-2);font-size:18px;max-width:36em;margin:0 auto}
.prose{max-width:720px;margin:0 auto;padding:20px 0 40px}
.prose p{margin-bottom:18px;color:var(--ink-2)}
.prose h2{font-size:28px;margin:34px 0 14px}
.loc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:30px}
.loc{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r);padding:26px}
.loc h3{font-size:20px;margin-bottom:8px}
.loc p{font-size:15px;color:var(--ink-2)}

/* ---------- responsive ---------- */
@media(max-width:900px){
  .hero-grid,.split,.pdp-grid,.props,.prod-grid,.foot-grid,.loc-grid{grid-template-columns:1fr}
  .split.rev .split-media{order:0}
  .pdp-media{position:static}
  .props,.loc-grid{gap:16px}
  .nav-links{display:none}
  .menu-toggle{display:block}
  .nav-links.show{display:flex;position:absolute;top:72px;left:0;right:0;flex-direction:column;
    background:var(--paper-2);padding:22px 24px;gap:18px;border-bottom:1px solid var(--line);box-shadow:var(--shadow-md)}
  .hero-badge{display:none}
  section{padding:68px 0}
  .hero{padding:40px 0 60px}
}
@media(max-width:560px){
  body{font-size:16px}
  .nav-cta .btn.ghost{display:none}
  .card-actions{flex-direction:column}
  .modal{padding:0}
  .modal-panel{height:100vh;width:100%;border-radius:0}
}