/* ============================================================
   OZONE HOME — landing-page design system (shared) · 2026 revamp
   "Deep Atmosphere": ink #0B0D10 · paper #F7F8FA · ozone #2E9BFF→#5BE3D7
   Standalone pages (repair landing pages + brand service-center pages)
   all link this file. Brand pages override --brand / --brand-2.
   ============================================================ */
:root{
  --ink:#0B0D10;--ink-700:#0E1217;--ink-3:#07090C;--paper:#F7F8FA;--paper-2:#EEF2F6;--card:#FFFFFF;
  --text:#171B21;--muted:#5B6470;--muted-d:rgba(231,239,248,.64);
  --line:rgba(15,19,24,.09);--line-d:rgba(255,255,255,.10);
  --oz1:#2E9BFF;--oz2:#5BE3D7;
  --grad:linear-gradient(120deg,#2E9BFF 10%,#5BE3D7 90%);
  /* brand-accent system — brand pages override these three on <body> */
  --brand:#2E9BFF;--brand-2:#5BE3D7;--brand-ink:#04161F;
  --ease:cubic-bezier(0.16,1,0.3,1);--spring:cubic-bezier(.34,1.5,.62,1);
  --navh:68px;
  --r:22px;--r-xl:30px;
  --shadow-card:0 2px 6px rgba(13,18,26,.04),0 18px 44px -18px rgba(13,18,26,.16);
  --shadow-lift:0 6px 14px rgba(13,18,26,.06),0 30px 60px -20px rgba(13,18,26,.22);
}
*,*::before,*::after{box-sizing:border-box}*{margin:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;font-size:16.5px;line-height:1.65;background:var(--paper);color:var(--text);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul{list-style:none;padding:0}
::selection{background:rgba(46,155,255,.28)}
:focus-visible{outline:2px solid var(--oz1);outline-offset:3px;border-radius:8px}
h1,h2,h3,h4{font-family:'Space Grotesk','Inter',sans-serif;font-weight:600;letter-spacing:-.025em;line-height:1.07}
.grad-text{background:linear-gradient(110deg,var(--brand) 8%,var(--brand-2) 48%,var(--brand) 92%);background-size:220% auto;-webkit-background-clip:text;background-clip:text;color:transparent;animation:lpSheen 7.5s linear infinite}
@keyframes lpSheen{to{background-position:-230% center}}
.container{width:min(1140px,100% - clamp(34px,7vw,72px));margin-inline:auto}
.eyebrow{display:inline-flex;align-items:center;gap:11px;font:600 12px/1 'Inter';letter-spacing:.2em;text-transform:uppercase;color:#1D7FE0;margin-bottom:18px}
.eyebrow::before{content:"";width:24px;height:2px;border-radius:2px;background:var(--grad)}

/* —— film grain: subtle filmic texture (no DOM needed) —— */
body::after{content:"";position:fixed;inset:0;z-index:40;pointer-events:none;opacity:.05;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size:140px 140px}

/* buttons */
.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:10px;height:54px;padding:0 28px;border-radius:999px;font:600 16px/1 'Inter';white-space:nowrap;border:1px solid transparent;transition:transform .5s var(--ease),box-shadow .5s var(--ease),background-color .3s,border-color .3s,color .3s;cursor:pointer}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0) scale(.98);transition-duration:.15s}
.btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.btn-primary{background:var(--grad);color:#04161F;box-shadow:0 10px 30px -10px rgba(46,155,255,.55)}
.btn-primary:hover{box-shadow:0 18px 44px -12px rgba(46,155,255,.65)}
.btn-ghost{border-color:rgba(255,255,255,.2);color:#fff;background:rgba(255,255,255,.04)}
.btn-ghost:hover{background:rgba(255,255,255,.09);border-color:rgba(255,255,255,.32)}
.btn-line{border-color:rgba(15,19,24,.18);color:var(--text)}
.btn-line:hover{border-color:var(--text);box-shadow:0 12px 28px -14px rgba(13,18,26,.3)}

/* nav — melts into the dark hero at the top, frosts into glass on scroll */
.lpnav{position:sticky;top:0;z-index:50;background:transparent;border-bottom:1px solid transparent;
  -webkit-backdrop-filter:blur(0) saturate(1);backdrop-filter:blur(0) saturate(1);
  transition:background .45s var(--ease),border-color .45s var(--ease),-webkit-backdrop-filter .45s var(--ease),backdrop-filter .45s var(--ease)}
.lpnav.is-scrolled{background:rgba(9,11,14,.72);border-bottom-color:rgba(255,255,255,.09);
  -webkit-backdrop-filter:blur(20px) saturate(1.5);backdrop-filter:blur(20px) saturate(1.5)}
.lpnav-in{height:68px;display:flex;align-items:center;gap:18px}
.lpbrand{display:flex;align-items:center;gap:11px;color:#fff}
.lpbrand svg{width:28px;height:28px;filter:drop-shadow(0 2px 10px rgba(46,155,255,.4))}
.lpbrand b{font-family:'Space Grotesk';font-size:20px;font-weight:700;letter-spacing:.1em}
.lpbrand b i{font-style:normal;font-weight:500;font-size:11px;letter-spacing:.32em;color:rgba(255,255,255,.82)}
.lpnav-cta{margin-inline-start:auto;display:flex;align-items:center;gap:10px}
.lpnav .btn{height:43px;padding:0 20px;font-size:14.5px}
.lpnav-call{color:rgba(255,255,255,.85);font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:8px}
.lpnav-call:hover{color:var(--oz2)}
@media(max-width:620px){.lpnav-call span{display:none}.lpbrand b i{display:none}}

/* hero — living aurora + brand tint */
.lphero{position:relative;background:var(--ink);color:#fff;overflow:clip;margin-top:calc(-1 * var(--navh));padding:calc(var(--navh) + clamp(40px,6vw,80px)) 0 clamp(66px,9vw,112px)}
.lphero::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(46% 52% at 84% -4%, color-mix(in srgb, var(--brand) 30%, transparent), transparent 66%),
    radial-gradient(44% 56% at 6% 104%, rgba(91,227,215,.13), transparent 66%);
  animation:lpAuroraA 26s var(--ease) infinite alternate}
.lphero::after{content:"";position:absolute;width:52vw;height:52vw;left:54%;top:-26%;border-radius:50%;
  filter:blur(80px);pointer-events:none;mix-blend-mode:screen;
  background:radial-gradient(circle, color-mix(in srgb, var(--brand) 34%, transparent), transparent 60%);
  animation:lpAuroraB 30s var(--ease) infinite alternate}
@keyframes lpAuroraA{from{transform:translate3d(0,0,0)}to{transform:translate3d(-4%,3%,0)}}
@keyframes lpAuroraB{from{transform:translate3d(0,0,0) scale(1)}to{transform:translate3d(-9%,7%,0) scale(1.14)}}
.lphero .container{position:relative;z-index:1}
.lphero .crumb{font-size:13px;color:rgba(255,255,255,.5);margin-bottom:18px;animation:lpRise .8s var(--ease) both}
.lphero .crumb a:hover{color:#fff}
.lphero h1{color:#fff;font-size:clamp(35px,5.9vw,66px);max-width:16ch;animation:lpRise .9s var(--ease) .05s both}
.lphero .lphero-copy>p,.lphero>.container>p,.lphero .lphero-cta,.lphero .lptrust{animation:lpRise .9s var(--ease) .18s both}
.lphero p{font-size:clamp(17px,2vw,20px);color:var(--muted-d);max-width:54ch;margin:22px 0 32px}
.lphero-cta{display:flex;gap:13px;flex-wrap:wrap}
.lptrust{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:30px;font-size:14px;color:rgba(255,255,255,.7)}
.lptrust span{display:inline-flex;align-items:center;gap:8px}
.lptrust svg{width:17px;height:17px;color:var(--oz2);fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
@keyframes lpRise{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}

/* brand badge (brand service-center pages) */
.brandbadge{display:inline-flex;align-items:center;gap:9px;padding:8px 15px;border-radius:999px;margin-bottom:20px;
  font:600 12px 'Inter';letter-spacing:.06em;text-transform:uppercase;color:#fff;
  background:color-mix(in srgb, var(--brand) 20%, transparent);border:1px solid color-mix(in srgb, var(--brand) 50%, transparent)}
.brandbadge i{width:8px;height:8px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px var(--brand)}

/* hero → two columns when a brand certificate card is present (repair pages stay single-col) */
.lphero:has(.lphero-art) .lphero-copy>*{max-width:none}
@media(min-width:940px){
  .lphero:has(.lphero-art) .container{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(320px,.92fr);gap:clamp(28px,4.4vw,64px);align-items:center}
  .lphero:has(.lphero-art) h1{max-width:15ch}
}
.lphero-art{position:relative;z-index:1;display:flex;justify-content:center;margin-top:clamp(30px,5vw,0px);animation:lpRise 1s var(--ease) .16s both}
.lphero-art::before{content:"";position:absolute;width:118%;aspect-ratio:1;left:50%;top:50%;transform:translate(-50%,-50%);
  background:radial-gradient(circle, color-mix(in srgb,var(--brand) 26%,transparent), transparent 62%);filter:blur(30px);z-index:-1}

/* "authorized service partner" certificate card — the official logo, framed */
.brandcert{position:relative;width:min(384px,100%);border-radius:var(--r-xl);overflow:hidden;
  background:linear-gradient(176deg,#ffffff 0%,#eef2f6 100%);color:#161a20;
  border:1px solid rgba(255,255,255,.7);
  box-shadow:0 36px 90px -34px rgba(0,0,0,.78), 0 6px 18px -8px color-mix(in srgb,var(--brand) 42%,transparent)}
.brandcert-bar{height:4px;background:linear-gradient(90deg,var(--brand),var(--brand-2))}
.brandcert .brandcert-top{display:flex;align-items:center;gap:8px;padding:16px 22px 0;max-width:none;
  font:700 11px/1.3 'Inter';letter-spacing:.13em;text-transform:uppercase;color:#3d444e}
.brandcert .brandcert-top svg{width:15px;height:15px;fill:none;stroke:color-mix(in srgb,var(--brand) 62%,#232323);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}
.brandcert-logo{display:flex;align-items:center;justify-content:center;height:118px;padding:18px 30px}
.brandcert-logo img{max-height:64px;max-width:100%;width:auto;height:auto}
.brandcert-logo.on-dark{background:#141414;border-radius:14px;margin:0 22px;padding:22px 26px;height:auto}
.brandcert-word{font-family:'Space Grotesk';font-weight:700;font-size:clamp(30px,4vw,42px);letter-spacing:.02em;color:var(--brand);text-align:center}
.brandcert-foot{border-top:1px solid rgba(15,19,24,.1);padding:15px 24px 19px;display:grid;gap:10px}
.brandcert-foot span{display:flex;align-items:center;gap:10px;font-size:13.6px;font-weight:600;color:#39414b}
.brandcert-foot svg{width:16px;height:16px;color:var(--brand);fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;flex:none}
.brandcert-foot .star{color:#F5A623;fill:#F5A623;stroke:none}
@media(max-width:939px){.lphero-art{margin-top:34px}.brandcert{width:min(340px,100%)}}

/* sections */
.sec{padding:clamp(58px,8vw,100px) 0}
.sec-head{max-width:680px;margin-bottom:clamp(34px,5vw,52px)}
.sec-head h2{font-size:clamp(28px,4.2vw,46px)}
.sec-head p{color:var(--muted);font-size:17px;margin-top:14px}
.sec-dark{background:var(--ink);color:#fff;position:relative}
.sec-dark .sec-head h2{color:#fff}
.sec-dark .sec-head p{color:var(--muted-d)}
.sec-alt{background:var(--paper-2)}

/* feature cards + hover sheen */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.fcard{position:relative;overflow:hidden;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:30px 26px;box-shadow:var(--shadow-card);transition:transform .5s var(--ease),box-shadow .5s var(--ease),border-color .35s}
.fcard:hover{transform:translateY(-6px);box-shadow:var(--shadow-lift);border-color:color-mix(in srgb, var(--brand) 32%, transparent)}
.fcard::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:0;transition:opacity .55s var(--ease);
  background:radial-gradient(82% 70% at 50% -12%, color-mix(in srgb, var(--brand) 14%, transparent), transparent 62%)}
.fcard:hover::after{opacity:1}
.sec-dark .fcard{background:rgba(255,255,255,.04);border-color:var(--line-d);box-shadow:none}
.fcard .ic{position:relative;z-index:1;width:50px;height:50px;border-radius:15px;display:grid;place-items:center;color:#0E5FA8;background:linear-gradient(135deg,rgba(46,155,255,.13),rgba(91,227,215,.13));border:1px solid rgba(46,155,255,.2);margin-bottom:16px}
.sec-dark .fcard .ic{color:var(--oz2)}
.fcard .ic svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.fcard h3{position:relative;z-index:1;font-size:19px;margin-bottom:9px}
.sec-dark .fcard h3{color:#fff}
.fcard p{position:relative;z-index:1;color:var(--muted);font-size:14.8px;line-height:1.6}
.sec-dark .fcard p{color:var(--muted-d)}

/* problem / checklist */
.checks{display:grid;grid-template-columns:1fr 1fr;gap:11px 26px}
.checks li{display:grid;grid-template-columns:auto 1fr;gap:12px;align-items:start;padding:13px 0;border-bottom:1px solid var(--line);font-weight:600;font-size:15.3px}
.sec-dark .checks li{border-color:var(--line-d);color:#fff}
.checks li svg{width:21px;height:21px;color:var(--oz1);fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;margin-top:1px}
.checks li small{grid-column:2;font-weight:400;color:var(--muted);font-size:12.7px;margin-top:2px;line-height:1.45}
.sec-dark .checks li small{color:var(--muted-d)}

/* chips (areas/brands) */
.chips{display:flex;flex-wrap:wrap;gap:9px}
.chips li{padding:9px 16px;border-radius:999px;font:600 14px 'Inter';background:rgba(15,19,24,.04);border:1px solid var(--line);color:var(--text);transition:transform .4s var(--ease),border-color .3s}
.chips li a{color:inherit;display:block;margin:-9px -16px;padding:9px 16px;border-radius:999px}
.chips li:hover{transform:translateY(-2px);border-color:color-mix(in srgb, var(--brand) 40%, transparent)}
.sec-dark .chips li{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.12);color:rgba(255,255,255,.88)}

/* FAQ */
.faq{display:grid;gap:12px;max-width:820px}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:4px 22px;box-shadow:var(--shadow-card)}
.sec-dark .faq details{background:rgba(255,255,255,.04);border-color:var(--line-d);box-shadow:none}
.faq summary{cursor:pointer;list-style:none;padding:18px 0;font:600 17px 'Inter';display:flex;justify-content:space-between;align-items:center;gap:14px}
.sec-dark .faq summary{color:#fff}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:24px;color:var(--oz1);font-weight:400;transition:transform .3s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq p{padding:0 0 20px;color:var(--muted);font-size:15.3px;line-height:1.66}
.sec-dark .faq p{color:var(--muted-d)}

/* CTA band */
.cta{position:relative;text-align:center;overflow:clip}
.cta::before{content:"";position:absolute;inset:0;background:radial-gradient(56% 70% at 50% 110%, color-mix(in srgb, var(--brand) 22%, transparent), transparent 70%)}
.cta .container{position:relative}
.cta h2{color:#fff;font-size:clamp(30px,4.6vw,52px);max-width:16ch;margin-inline:auto}
.cta p{color:var(--muted-d);margin:18px auto 32px;max-width:52ch}
.cta-row{display:flex;gap:13px;justify-content:center;flex-wrap:wrap}

/* related-pages strip (internal linking silo) */
.rel{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px}
.rel a{display:inline-flex;align-items:center;gap:8px;padding:11px 17px;border-radius:999px;font:600 14px 'Inter';
  background:rgba(255,255,255,.04);border:1px solid var(--line-d);color:rgba(255,255,255,.85);transition:transform .4s var(--ease),border-color .3s,color .3s}
.rel a:hover{transform:translateY(-2px);color:#fff;border-color:color-mix(in srgb, var(--brand) 45%, transparent)}
.rel a svg{width:15px;height:15px;color:var(--oz2);fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* footer */
.lpfoot{background:var(--ink-3);color:rgba(255,255,255,.6);padding:54px 0 40px;border-top:1px solid rgba(255,255,255,.07)}
.lpfoot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px;margin-bottom:34px}
.lpfoot b.fb{font-family:'Space Grotesk';font-size:19px;font-weight:700;letter-spacing:.08em;color:#fff;display:block;margin-bottom:14px}
.lpfoot a{color:rgba(255,255,255,.62);transition:color .3s}
.lpfoot a:hover{color:#fff}
.lpfoot h3{color:#fff;font-size:13px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:14px}
.lpfoot li{margin-bottom:10px;font-size:14.5px}
.lpfoot-links{display:grid;gap:10px}
.lpfoot-base{border-top:1px solid rgba(255,255,255,.08);padding-top:22px;font-size:12.5px;color:rgba(255,255,255,.6);display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between}

/* whatsapp FAB */
.wa-fab{position:fixed;z-index:60;right:clamp(16px,2.4vw,28px);bottom:calc(24px + env(safe-area-inset-bottom));display:flex;align-items:center;height:60px;border-radius:999px;background:linear-gradient(145deg,#27D367,#0E8F4F);color:#fff;box-shadow:0 16px 38px -10px rgba(14,143,79,.6);transition:transform .4s var(--ease)}
.wa-fab::before{content:"";position:absolute;inset:0;width:60px;border-radius:999px;background:#27D367;z-index:-1;animation:waPing 2.8s var(--ease) infinite}
@keyframes waPing{0%{transform:scale(1);opacity:.5}70%{transform:scale(1.5);opacity:0}100%{opacity:0}}
.wa-fab:hover{transform:translateY(-3px)}
.wa-fab .ic{width:60px;height:60px;display:grid;place-items:center}
.wa-fab .ic svg{width:30px;height:30px;fill:#fff}
.wa-fab .tx{max-width:0;overflow:hidden;white-space:nowrap;opacity:0;font:600 15.5px 'Inter';transition:max-width .45s var(--ease),opacity .35s,padding .45s var(--ease)}
@media(hover:hover){.wa-fab:hover .tx{max-width:180px;opacity:1;padding-inline-end:22px}}

/* cross-document view transitions (page-to-page morph) */
@view-transition{navigation:auto}
::view-transition-old(root){animation:lpVtOut .4s var(--ease) both}
::view-transition-new(root){animation:lpVtIn .5s var(--ease) both}
@keyframes lpVtOut{to{opacity:0;transform:translateY(-8px)}}
@keyframes lpVtIn{from{opacity:0;transform:translateY(12px)}}

/* responsive */
@media(max-width:860px){.grid3{grid-template-columns:1fr 1fr}.lpfoot-grid{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.grid3,.grid2,.checks{grid-template-columns:1fr}.lphero-cta .btn,.cta-row .btn{flex:1 1 auto}.lpfoot-grid{grid-template-columns:1fr}}

/* reduced motion */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
  .lphero::before,.lphero::after{animation:none}
}
