/* ==========================================================
   XIN EXHAUST PERFORMANCE — stylesheet
   Warna diambil terus dari logo rasmi (merah #C1272C)
   ========================================================== */
:root{
  --bg:#0c0c0e;
  --bg-2:#121215;
  --panel:#17171b;
  --line:#26262c;
  --text:#e9e9ec;
  --muted:#9a9aa3;
  --red:#E11D2A;
  --red-hot:#FF3340;
  --red-deep:#9E0B14;
  --red-grad:linear-gradient(135deg,#FF4A55 0%,#E11D2A 45%,#A80E18 100%);
  --red-text:linear-gradient(180deg,#FF6B73 0%,#FF2A36 50%,#C4101C 100%);
  --red-glow:0 0 24px rgba(255,40,52,.45),0 0 60px rgba(225,29,42,.25);
  --silver:linear-gradient(180deg,#ffffff 0%,#d4d6db 45%,#8e9097 100%);
  --radius:14px;
  --max:1180px;
  --slant:polygon(0 0,100% 0,100% calc(100% - 48px),0 100%);
  --font-head:"Saira",system-ui,sans-serif;
  --font-body:"Manrope",system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{overflow-x:hidden;scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--text);font-family:var(--font-body);font-size:16px;line-height:1.65;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 16px}
.skip{position:absolute;left:-999px;top:0;background:var(--red);color:#fff;padding:8px 14px;z-index:99}
.skip:focus{left:8px;top:8px}

/* ---------- Typography ---------- */
h1,h2,h3{font-family:var(--font-head);font-style:italic;font-weight:800;line-height:1.05;letter-spacing:-.01em;text-transform:uppercase}
h1{font-size:clamp(2.3rem,7vw,4.8rem)}
h2{font-size:clamp(1.8rem,4.5vw,3rem)}
h3{font-size:1.25rem;letter-spacing:.01em}
.chrome{background:var(--silver);-webkit-background-clip:text;background-clip:text;color:transparent}
.red{background:var(--red-text);-webkit-background-clip:text;background-clip:text;color:transparent;filter:drop-shadow(0 0 18px rgba(255,40,52,.55)) drop-shadow(0 2px 0 rgba(0,0,0,.35))}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-head);font-style:italic;font-weight:600;font-size:.82rem;letter-spacing:.22em;text-transform:uppercase;color:var(--muted)}
.eyebrow::before{content:"";width:28px;height:3px;background:var(--red-grad);box-shadow:0 0 10px rgba(255,40,52,.7);transform:skewX(-35deg)}
.lead{font-size:1.1rem;color:#c8c8ce;max-width:60ch}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-family:var(--font-head);font-style:italic;font-weight:700;text-transform:uppercase;letter-spacing:.06em;padding:15px 26px;border-radius:6px;transition:transform .15s ease,background .15s ease,border-color .15s ease;min-height:52px}
.btn:hover{transform:translateY(-2px)}
.btn-wa{background:#1fa855;color:#fff}
.btn-wa:hover{background:#25c062}
.btn-wa img{width:22px;height:22px}
.btn-ghost{border:1.5px solid #3a3a42;color:var(--text)}
.btn-ghost:hover{border-color:var(--red-hot);box-shadow:0 0 18px rgba(255,40,52,.25)}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(12,12,14,.86);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.brand img{height:40px;width:auto}
.nav ul{display:flex;gap:28px;list-style:none;font-family:var(--font-head);font-style:italic;font-weight:600;text-transform:uppercase;letter-spacing:.08em;font-size:.88rem}
.nav ul a{color:#c9c9cf}
.nav ul a:hover,.nav ul a[aria-current="page"]{color:#fff}
.nav .btn{padding:10px 18px;min-height:42px;font-size:.85rem}
@media (max-width:860px){.nav ul{display:none}}
@media (max-width:420px){.nav .btn span{display:none}.nav .btn{padding:10px 12px}}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:88px 0 120px;clip-path:var(--slant);background:
  radial-gradient(900px 520px at 85% 10%,rgba(255,40,52,.38),transparent 60%),radial-gradient(500px 300px at 10% 100%,rgba(225,29,42,.12),transparent 70%),
  repeating-linear-gradient(115deg,#0f0f12 0 3px,#0c0c0e 3px 7px);}
.hero::after{content:"";position:absolute;right:-6%;top:12%;width:46%;height:76%;background:linear-gradient(115deg,transparent 0 30%,#FF3340 30%,#C4101C 41%,transparent 41% 49%,rgba(255,255,255,.08) 49% 60%,transparent 60% 68%,rgba(255,255,255,.05) 68% 79%,transparent 79%);pointer-events:none}
.hero .wrap{position:relative;z-index:1}
.hero h1{margin:18px 0 20px;max-width:14ch}
.hero .lead{margin-bottom:32px}
.cta-row{display:flex;flex-wrap:wrap;gap:12px}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px}
.chip{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);background:rgba(23,23,27,.7);padding:8px 14px;border-radius:999px;font-size:.9rem;color:#d4d4da}
.chip svg{width:16px;height:16px;color:var(--red-hot);filter:drop-shadow(0 0 6px rgba(255,40,52,.6))}
@media (max-width:860px){.hero::after{opacity:.18;width:90%}.hero{padding:64px 0 96px}}

/* ---------- Sections ---------- */
section{padding:84px 0}
.sec-head{margin-bottom:40px}
.sec-head h2{margin-top:12px}
.sec-head p{margin-top:14px}
.grid{display:grid;gap:18px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
@media (max-width:900px){.g3{grid-template-columns:1fr 1fr}}
@media (max-width:620px){.g3,.g2{grid-template-columns:1fr}}

.card{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;overflow:hidden;transition:border-color .2s,transform .2s}
.card:hover{border-color:#3b3b44;transform:translateY(-3px)}
.card::before{content:"";position:absolute;left:0;top:0;width:72px;height:4px;background:var(--red-grad);box-shadow:0 0 14px rgba(255,40,52,.8);transform:skewX(-35deg) translateX(-6px)}
.card::after{content:"";position:absolute;inset:0;border-radius:inherit;background:radial-gradient(420px 160px at 0 0,rgba(255,40,52,.10),transparent 70%);pointer-events:none}
.card:hover{border-color:rgba(255,51,64,.45);box-shadow:0 10px 40px rgba(225,29,42,.12)}
.card .num{font-family:var(--font-head);font-style:italic;font-weight:800;font-size:2.4rem;line-height:1;color:#2a2a31;position:absolute;right:18px;top:14px}
.card h3{margin:6px 0 10px;padding-right:56px;position:relative}
.card p{color:var(--muted)}

/* Why us strip */
.why{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.why-item{display:flex;gap:16px;align-items:flex-start}
.why-item .ico{flex:0 0 46px;height:46px;border-radius:10px;background:linear-gradient(135deg,rgba(255,51,64,.22),rgba(158,11,20,.12));border:1px solid rgba(255,51,64,.35);box-shadow:inset 0 1px 0 rgba(255,255,255,.08),0 0 18px rgba(225,29,42,.18);display:grid;place-items:center;color:#ff5560}
.why-item .ico svg{width:22px;height:22px}
.why-item h3{font-size:1.05rem;margin-bottom:4px}
.why-item p{color:var(--muted);font-size:.95rem}

/* Process */
.steps{counter-reset:s;list-style:none;display:grid;gap:14px}
.steps li{counter-increment:s;display:grid;grid-template-columns:64px 1fr;gap:16px;align-items:start;padding:20px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel)}
.steps li::before{content:"0" counter(s);font-family:var(--font-head);font-style:italic;font-weight:800;font-size:2rem;line-height:1;background:var(--red-text);-webkit-background-clip:text;background-clip:text;color:transparent;filter:drop-shadow(0 0 10px rgba(255,40,52,.45))}
.steps h3{font-size:1.05rem;margin-bottom:4px}
.steps p{color:var(--muted)}

/* Locations */
.loc{display:flex;flex-direction:column;gap:12px}
.loc .area{font-family:var(--font-head);font-style:italic;font-weight:800;font-size:1.7rem;text-transform:uppercase}
.loc .tag{font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.loc .more{margin-top:auto;font-family:var(--font-head);font-style:italic;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--red-hot);font-size:.9rem}
.loc .more:hover{color:#fff}

/* FAQ */
.faq details{border:1px solid var(--line);border-radius:12px;background:var(--panel);margin-bottom:10px}
.faq summary{cursor:pointer;list-style:none;padding:18px 52px 18px 20px;font-weight:700;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:1.4rem;color:var(--red-hot)}
.faq details[open] summary::after{content:"–"}
.faq details p{padding:0 20px 20px;color:#bdbdc4}

/* CTA band */
.band{position:relative;overflow:hidden;background:radial-gradient(900px 400px at 85% 0%,rgba(255,120,128,.45),transparent 60%),linear-gradient(120deg,#B30F1A 0%,#E11D2A 45%,#FF3340 70%,#C3121D 100%);clip-path:polygon(0 36px,100% 0,100% 100%,0 100%);padding:96px 0 80px}
.band h2{color:#fff}
.band p{color:#ffe1e2;margin:12px 0 26px;max-width:58ch}
.band .btn-wa{background:#0c0c0e}
.band .btn-wa:hover{background:#000}

/* Breadcrumb */
.crumbs{font-size:.88rem;color:var(--muted);margin-bottom:6px}
.crumbs a{color:#cfcfd5}
.crumbs a:hover{color:#fff}

/* Prose */
.prose p{color:#c4c4ca;margin-bottom:16px;max-width:70ch}
.prose ul{margin:0 0 16px 20px;color:#c4c4ca}
.prose li{margin-bottom:6px}

/* ---------- Footer + payment ---------- */
.site-footer{background:#08080a;border-top:1px solid var(--line);padding:60px 0 28px}
.foot-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:32px}
@media (max-width:760px){.foot-grid{grid-template-columns:1fr}}
.site-footer h4{font-family:var(--font-head);font-style:italic;text-transform:uppercase;letter-spacing:.12em;font-size:.82rem;color:var(--muted);margin-bottom:14px}
.site-footer ul{list-style:none}
.site-footer li{margin-bottom:8px;color:#cfcfd5}
.site-footer li a:hover{color:#fff}
.foot-logo{height:54px;width:auto;margin-bottom:14px}
.foot-about{color:var(--muted);font-size:.95rem;max-width:40ch}
.pay{margin-top:44px;padding-top:28px;border-top:1px solid var(--line)}
.pay-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.pay-row li{list-style:none;margin:0}
.pay-tile{background:#fff;border-radius:8px;width:112px;height:54px;padding:8px 10px;display:flex;align-items:center;justify-content:center}
.pay-tile img{max-width:92px;max-height:34px;width:auto;height:auto;object-fit:contain}
.pay-tile.sq img{max-height:40px}
.legal{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;margin-top:30px;color:#6f6f78;font-size:.85rem}

/* Floating WhatsApp */
.fab{position:fixed;right:16px;bottom:16px;z-index:60;width:58px;height:58px;border-radius:50%;background:#1fa855;display:grid;place-items:center;box-shadow:0 10px 30px rgba(0,0,0,.45)}
.fab img{width:30px;height:30px}
.fab:hover{background:#25c062}

/* Motion preference */
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* ---- Premium red accents ---- */
.hero::before{content:"";position:absolute;right:-6%;top:12%;width:46%;height:76%;background:linear-gradient(115deg,transparent 0 30%,rgba(255,51,64,.55) 30% 41%,transparent 41%);filter:blur(28px);pointer-events:none}
@media (max-width:860px){.hero::before{opacity:.25;width:90%}}
.band::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 2px,transparent 2px 9px);pointer-events:none}
.band::after{content:"";position:absolute;top:0;left:-40%;width:40%;height:100%;background:linear-gradient(105deg,transparent,rgba(255,255,255,.18),transparent);transform:skewX(-20deg);animation:sheen 6s ease-in-out infinite;pointer-events:none}
@keyframes sheen{0%,60%{left:-40%}100%{left:120%}}
.band .wrap{position:relative;z-index:1}
.band h2{text-shadow:0 2px 0 rgba(0,0,0,.25),0 0 30px rgba(255,255,255,.15)}
.band .btn-wa{box-shadow:0 10px 30px rgba(0,0,0,.35)}
.site-header::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:linear-gradient(90deg,transparent,rgba(255,51,64,.7),transparent)}
.loc .more{text-shadow:0 0 12px rgba(255,40,52,.35)}
.faq details[open]{border-color:rgba(255,51,64,.4);box-shadow:0 0 0 1px rgba(255,51,64,.08),0 8px 30px rgba(225,29,42,.10)}
.pay{border-top:1px solid transparent;border-image:linear-gradient(90deg,rgba(255,51,64,.6),rgba(38,38,44,1) 40%) 1}
@media (prefers-reduced-motion:reduce){.band::after{animation:none;display:none}}
.hero h1{font-size:clamp(2rem,5.4vw,4.1rem);max-width:none}
.hero h1 .red{display:block;white-space:nowrap}
@media (min-width:861px){.hero h1{max-width:680px}}