/* ============================================================
   TANG DETAILING — Shared Stylesheet
   Luxury automotive: Fraunces (display) + Inter (UI/body)
   ============================================================ */

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

:root{
  --black:#09090b;
  --black-2:#0e0e12;
  --blue:#2563eb;
  --blue-dark:#1d4ed8;
  --blue-dim:rgba(37,99,235,0.12);
  --blue-border:rgba(37,99,235,0.32);
  --white:#ffffff;
  --light:#f5f5f4;
  --light-2:#ecebe8;
  --ink:#18181b;
  --ink-soft:#3f3f46;
  --muted:rgba(255,255,255,0.56);
  --muted-2:rgba(255,255,255,0.30);
  --border:rgba(255,255,255,0.09);
  --border-dark:rgba(9,9,11,0.10);
  --gold:#f5b301;
  --maxw:1200px;
  --nav-h:76px;
}

html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  background:var(--light);
  color:var(--ink);
  font-family:'Inter',system-ui,sans-serif;
  font-weight:400;
  line-height:1.65;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
/* ---------- Film grain texture (site-wide) ---------- */
body::before{
  content:'';
  position:fixed;
  inset:0;
  z-index:9999;
  pointer-events:none;
  opacity:0.15;
  mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size:180px 180px;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}

/* ---------- Typography helpers ---------- */
.display{
  font-family:'Anton',sans-serif;
  font-weight:400;
  line-height:0.98;
  letter-spacing:0.006em;
  text-transform:uppercase;
}
.display em{font-style:normal;color:var(--blue);}
.serif-em{font-family:'Manrope',sans-serif;font-style:normal;font-weight:500;}

.eyebrow{
  font-family:'Inter',sans-serif;
  font-size:12px;
  font-weight:500;
  letter-spacing:0.22em;
  text-transform:uppercase;
  color:var(--blue);
  display:inline-flex;
  align-items:center;
  gap:12px;
}
.eyebrow::before{content:'';width:26px;height:1px;background:currentColor;display:block;}
.eyebrow.center{justify-content:center;}
.eyebrow.on-light{color:var(--blue);}

.section-title{
  font-family:'Anton',sans-serif;
  font-weight:400;
  font-size:clamp(36px,4.8vw,64px);
  line-height:1.0;
  letter-spacing:0.006em;
  text-transform:uppercase;
  margin:18px 0 20px;
}
.section-title em{font-style:normal;color:var(--blue);}
.section-lead{font-size:clamp(16px,1.4vw,19px);color:var(--ink-soft);font-weight:300;max-width:620px;}
/* Hero subheadlines use Manrope */
.hero-sub,.cc-hero-sub,.m-hero-sub,.pc-hero-sub,.pf-hero-sub,.about-hero .lead,.contact-hero .lead,.blog-hero p{font-family:'Manrope',sans-serif;}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px;}
section{padding:clamp(64px,9vw,120px) 0;}

/* Alternating surfaces — site is light-first; dark used sparingly as an accent */
.surface-white{background:#faf9f6;}
.surface-cream{background:var(--light);}
.surface-white,.surface-cream{position:relative;}
.surface-white::after,.surface-cream::after{
  content:'';position:absolute;inset:0;z-index:0;pointer-events:none;
  opacity:0.2;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size:200px 200px;
}
.surface-white>.wrap,.surface-cream>.wrap{position:relative;z-index:1;}
.surface-light{background:var(--light);color:var(--ink);}
.surface-dark{background:var(--black);color:#fff;}
.surface-dark .section-lead{color:var(--muted);}
.surface-darker{background:var(--black-2);color:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.surface-darker .section-lead{color:var(--muted);}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-family:'Inter',sans-serif;font-weight:500;font-size:13px;
  letter-spacing:0.06em;text-transform:uppercase;
  padding:15px 30px;border-radius:6px;border:1px solid transparent;
  cursor:pointer;transition:transform .18s ease,background .2s ease,border-color .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn svg{width:16px;height:16px;}
.btn-primary{background:var(--blue);color:#fff;}
.btn-primary:hover{background:var(--blue-dark);transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--ink);border-color:rgba(24,24,27,0.16);}
.btn-ghost:hover{border-color:var(--ink);transform:translateY(-2px);}
.btn-ghost-invert{background:transparent;color:#fff;border-color:rgba(255,255,255,0.28);}
.btn-ghost-invert:hover{border-color:#fff;transform:translateY(-2px);}
.btn-dark{background:var(--ink);color:#fff;}
.btn-dark:hover{background:#000;transform:translateY(-2px);}
.btn-lg{padding:18px 38px;font-size:14px;}
@media(max-width:560px){
  .btn{white-space:normal;max-width:100%;text-align:center;}
  .btn-lg{padding:15px 22px;font-size:13px;}
}

/* ---------- Nav ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:500;
  height:var(--nav-h);
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  gap:24px;padding:0 32px;
  background:rgba(255,255,255,0.42);
  backdrop-filter:blur(22px) saturate(180%);
  -webkit-backdrop-filter:blur(22px) saturate(180%);
  border-bottom:1px solid rgba(255,255,255,0.4);
  box-shadow:inset 0 1px 0 rgba(255,255,255,0.5),0 8px 32px rgba(24,24,27,0.05);
  transition:background .3s ease,box-shadow .3s ease;
}
.nav.scrolled{background:rgba(255,255,255,0.68);box-shadow:inset 0 1px 0 rgba(255,255,255,0.55),0 8px 30px rgba(24,24,27,0.08);}
.nav-brand{display:flex;align-items:center;line-height:1;flex-shrink:0;justify-self:start;}
.nav-logo{height:54px;width:auto;display:block;}
.nav-links{display:flex;align-items:center;gap:30px;justify-self:center;}
.nav-links a,.nav-links .nav-dd-toggle{font-family:'Inter',sans-serif;font-size:16px;font-weight:600;color:rgba(24,24,27,0.88);letter-spacing:0.01em;transition:color .18s;position:relative;white-space:nowrap;}
.nav-links a:hover,.nav-links .nav-dd:hover .nav-dd-toggle{color:var(--ink);}
.nav-links a.active{color:var(--ink);}
.nav-links a.active::after{content:'';position:absolute;left:0;right:0;bottom:-6px;height:1px;background:var(--blue);}
.nav-right{display:flex;align-items:center;gap:20px;justify-self:end;}
.nav-call{white-space:nowrap;font-size:12.5px;gap:11px;padding:8px 18px 8px 9px;letter-spacing:0.05em;border-radius:11px;color:#fff;background:linear-gradient(135deg,#1a1a1d,#0a0a0c);border:1px solid rgba(255,255,255,0.1);box-shadow:0 6px 20px rgba(9,9,11,0.3);}
.nav-call svg{width:30px;height:30px;padding:6px;border-radius:8px;color:#fff;background-color:var(--blue);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='90' height='90'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");background-size:90px 90px;background-blend-mode:overlay;box-shadow:0 3px 10px rgba(37,99,235,0.4);}
.nav-call:hover{transform:translateY(-1px);background:linear-gradient(135deg,#212124,#0d0d0f);box-shadow:0 10px 26px rgba(9,9,11,0.42);}

/* Dropdown — reads as the header extending downward */
.nav-dd{position:relative;display:flex;align-items:center;height:var(--nav-h);}
.nav-dd-toggle{display:inline-flex;align-items:center;gap:6px;cursor:pointer;}
.nav-dd-toggle svg{width:12px;height:12px;transition:transform .2s;}
.nav-dd:hover .nav-dd-toggle svg{transform:rotate(180deg);}
.nav-dd-menu{
  position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(-10px);
  isolation:isolate;
  min-width:210px;
  background:rgba(255,255,255,0.97);
  backdrop-filter:blur(22px) saturate(180%);
  -webkit-backdrop-filter:blur(22px) saturate(180%);
  border:1px solid rgba(255,255,255,0.4);
  border-top:none;
  border-radius:0 0 14px 14px;padding:10px;
  opacity:0;visibility:hidden;transition:opacity .22s ease,transform .22s ease,visibility .22s;
  box-shadow:0 20px 34px -14px rgba(24,24,27,0.22);
}
.nav.scrolled .nav-dd-menu{background:rgba(255,255,255,0.98);}
.nav-dd:hover .nav-dd-menu{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0);}
.nav-dd-menu a{position:relative;z-index:1;display:block;padding:9px 14px;border-radius:8px;font-size:13.5px;font-weight:600;color:rgba(24,24,27,0.82);transition:background .15s,color .15s;}
.nav-dd-menu a:hover{background:rgba(37,99,235,0.14);color:var(--ink);}

/* Mobile nav */
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px;}
.nav-toggle span{width:24px;height:2px;background:var(--ink);transition:transform .25s,opacity .25s;}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.mobile-menu{
  position:fixed;inset:var(--nav-h) 0 0 0;z-index:490;
  background:rgba(255,255,255,0.99);backdrop-filter:blur(20px);
  padding:32px;display:flex;flex-direction:column;gap:4px;
  transform:translateX(100%);transition:transform .3s ease;overflow-y:auto;
}
.mobile-menu.open{transform:translateX(0);}
.mobile-menu a{font-size:20px;font-family:'Inter',sans-serif;font-weight:400;padding:14px 0;border-bottom:1px solid rgba(24,24,27,0.08);color:var(--ink);}
.mobile-menu .mm-group{display:flex;flex-direction:column;border-bottom:1px solid rgba(24,24,27,0.08);}
.mobile-menu .mm-acc{display:flex;align-items:center;justify-content:space-between;width:100%;background:none;border:none;cursor:pointer;font-size:20px;font-family:'Inter',sans-serif;font-weight:400;padding:14px 0;color:var(--ink);text-align:left;}
.mobile-menu .mm-acc svg{width:20px;height:20px;flex:none;transition:transform .3s ease;}
.mobile-menu .mm-group.open .mm-acc svg{transform:rotate(180deg);}
.mobile-menu .mm-panel{overflow:hidden;max-height:0;transition:max-height .35s ease;}
.mobile-menu .mm-group.open .mm-panel{max-height:440px;}
.mobile-menu .mm-panel a{display:block;width:100%;font-size:16px;font-family:'Inter',sans-serif;padding:12px 0 12px 16px;color:var(--ink-soft);border-bottom:1px solid rgba(24,24,27,0.06);}
.mobile-menu .mm-panel a:last-child{border-bottom:none;}
.contact-section .contact-embed{background:transparent;border:none;padding:0;border-radius:0;min-height:720px;}
.contact-section .contact-embed iframe{display:block;background:#fff;}
/* Contact form section background photo (Form Fillout) */
.contact-section-bg{position:absolute;inset:0;z-index:0;pointer-events:none;}
.contact-section-bg img{width:100%;height:100%;object-fit:cover;object-position:center;}
.contact-section-bg::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(9,9,11,0.84),rgba(9,9,11,0.92));}

/* Why-book mobile click-through controls (hidden on desktop) */
.cc-why-hint,.cc-why-nav{display:none;}
.cc-why-hint{align-items:center;justify-content:center;gap:8px;margin:16px 0 14px;font-family:'Inter',sans-serif;font-size:12.5px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:rgba(255,255,255,0.62);}
.cc-why-hint svg{width:16px;height:16px;stroke:#8fb4ff;fill:none;animation:cc-hint-nudge 1.4s ease-in-out infinite;}
@keyframes cc-hint-nudge{0%,100%{transform:translateX(0);}50%{transform:translateX(5px);}}
.cc-why-nav{align-items:center;justify-content:center;gap:16px;margin-top:16px;}
.cc-why-arrow{width:44px;height:44px;flex:none;border-radius:50%;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.16);color:#fff;cursor:pointer;transition:background .25s,border-color .25s,opacity .25s;}
.cc-why-arrow:active{background:var(--blue);border-color:var(--blue);}
.cc-why-arrow svg{width:20px;height:20px;stroke:currentColor;fill:none;}
.cc-why-dots{display:flex;align-items:center;gap:8px;}
.cc-why-dot{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,0.24);border:none;padding:0;cursor:pointer;transition:background .25s,width .25s;}
.cc-why-dot.active{background:var(--blue);width:22px;border-radius:5px;}

/* ---------- Floating CTA ---------- */
.floating-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:480;
  display:flex;align-items:center;justify-content:center;gap:14px;
  width:100%;overflow:hidden;
  background:linear-gradient(135deg,rgba(15,20,32,0.92),rgba(4,4,6,0.95));
  backdrop-filter:blur(22px) saturate(160%);
  -webkit-backdrop-filter:blur(22px) saturate(160%);
  color:#fff;
  font-family:'Anton',sans-serif;font-weight:400;font-size:clamp(19px,2.1vw,24px);letter-spacing:0.05em;text-transform:uppercase;line-height:1;
  padding:17px 24px;border-radius:0;
  border-top:1px solid rgba(255,255,255,0.14);
  box-shadow:inset 0 1px 0 rgba(255,255,255,0.14),0 -14px 44px rgba(0,0,0,0.5);
  transition:filter .2s ease;
}
.floating-cta::before{content:'';position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:900px;height:360px;z-index:-1;background:radial-gradient(circle,rgba(37,99,235,0.55),transparent 62%);pointer-events:none;}
.floating-cta:hover{filter:brightness(1.12);}
.floating-cta svg{width:22px;height:22px;}
.footer{padding-bottom:96px;}

/* ---------- Footer ---------- */
.footer{background:var(--black-2);border-top:1px solid var(--border);padding:72px 0 32px;}
.footer-top{display:grid;grid-template-columns:1fr 340px;gap:48px;align-items:stretch;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-map{position:relative;border-radius:16px;overflow:hidden;border:1px solid var(--border);min-height:230px;background:#0e0e12;box-shadow:0 12px 34px rgba(0,0,0,0.35);}
.footer-map iframe{width:100%;height:100%;min-height:230px;border:0;display:block;filter:grayscale(0.15) contrast(1.05);}
@media(max-width:1024px){.footer-top{grid-template-columns:1fr;gap:36px;}.footer-map{min-height:220px;}}
.footer-logo{height:64px;width:auto;display:block;margin-bottom:18px;filter:brightness(0) invert(1);}
.footer-brand p{font-size:14px;color:var(--muted);font-weight:300;max-width:300px;line-height:1.7;}
.footer-col h4{font-family:'Inter',sans-serif;font-size:12px;font-weight:600;letter-spacing:0.16em;text-transform:uppercase;color:#fff;margin-bottom:18px;}
.footer-col a,.footer-col span{display:block;font-size:14px;color:var(--muted);font-weight:300;margin-bottom:11px;transition:color .15s;}
.footer-col a:hover{color:#fff;}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px;margin-top:56px;padding-top:26px;border-top:1px solid var(--border);}
.footer-bottom p{font-size:12px;color:var(--muted-2);letter-spacing:0.02em;}
.footer-badges{display:flex;gap:8px;flex-wrap:wrap;}
.footer-badge{font-size:10px;letter-spacing:0.08em;text-transform:uppercase;color:var(--muted);border:1px solid var(--border);border-radius:100px;padding:5px 12px;}
.footer-social{display:flex;gap:12px;margin-top:22px;}
.footer-social a{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border:1px solid var(--border);border-radius:11px;color:var(--muted);transition:color .18s,border-color .18s,background .18s,transform .18s;}
.footer-social a:hover{color:#fff;border-color:var(--blue);background:rgba(37,99,235,0.14);transform:translateY(-2px);}
.footer-social svg{width:21px;height:21px;}
.footer-contact{font-style:normal;font-size:14px;color:var(--muted);font-weight:300;line-height:1.75;margin-top:20px;}
.footer-contact strong{color:#fff;font-weight:600;}
.footer-contact a{color:var(--muted);}
.footer-contact a:hover{color:#fff;}
.footer-hours{font-size:14px;color:var(--muted);font-weight:300;margin-top:10px;}
.footer-hours strong{color:#fff;font-weight:600;}

/* ---------- Scroll reveal ---------- */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .7s cubic-bezier(.2,.6,.2,1),transform .7s cubic-bezier(.2,.6,.2,1);}
.reveal.in{opacity:1;transform:none;}
.reveal.d1{transition-delay:.08s;}
.reveal.d2{transition-delay:.16s;}
.reveal.d3{transition-delay:.24s;}
.reveal.d4{transition-delay:.32s;}

/* ---------- Stars ---------- */
.stars{display:inline-flex;gap:2px;color:var(--gold);}
.stars svg{width:16px;height:16px;fill:currentColor;}

/* ---------- Responsive base ---------- */
@media(max-width:1080px){
  .nav-links{gap:20px;}
  .nav-links a{font-size:14.5px;}
}
@media(max-width:920px){
  .nav{display:flex;justify-content:space-between;}
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media(max-width:420px){
  .nav-call span{display:none;}
  .nav-call{padding:12px;gap:0;}
}
@media(max-width:560px){
  .wrap{padding:0 22px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .floating-cta{padding:15px 18px;letter-spacing:0.04em;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
/* In-copy contextual keyword links (subtle) */
.klink{color:inherit;text-decoration:none;border-bottom:1px solid var(--blue-border);transition:color .15s,border-color .15s;}
.klink:hover{color:var(--blue);border-bottom-color:var(--blue);}