:root{
    /* Palette sampled from the actual Arrow Center Tires storefront photo:
       sage-green stucco columns, cream sign board, black wrought-iron gate,
       muted red "Center" script, navy-blue "ARROW" lettering. */
    --asphalt:#1B1D20;       /* ironwork black (gate) */
    --asphalt-2:#24272B;     /* slightly lighter ironwork panel */
    --concrete:#F1EEE5;      /* cream sign board */
    --concrete-2:#F8F6F0;    /* lighter cream */
    --amber:#A8433A;         /* "Center" script red — primary accent */
    --amber-dim:#7E322B;     /* darker red for hover/dim states */
    --steel:#1E3A5C;         /* "ARROW" navy — secondary accent */
    --steel-light:#3E6690;   /* lighter navy for links/hover */
    --rubber:#5B5E52;        /* muted stucco-gray text */
    --line:#DAD6C8;          /* warm light border */
    --line-dark:#33362E;     /* warm dark border */
    --good:#6F8A63;          /* stucco-green — status "open" indicator */
    --green:#626C59;         /* stucco-green pillar tone, used for tread divider */
    --font-display:'Oswald',sans-serif;
    --font-body:'Inter',sans-serif;
    --font-mono:'IBM Plex Mono',monospace;
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:var(--font-body);
    background:var(--concrete-2);
    color:var(--asphalt);
    line-height:1.55;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;}
  .wrap{max-width:1180px;margin:0 auto;padding:0 24px;}
  h1,h2,h3,h4{font-family:var(--font-display);text-transform:uppercase;letter-spacing:0.02em;margin:0 0 .4em;line-height:1.08;}
  .eyebrow{
    font-family:var(--font-mono);
    font-size:12px;
    letter-spacing:.14em;
    text-transform:uppercase;
    color:var(--amber-dim);
    display:flex;align-items:center;gap:10px;
    margin-bottom:14px;
  }
  .eyebrow::before{content:"";width:22px;height:2px;background:var(--amber);display:inline-block;}
  .btn{
    display:inline-flex;align-items:center;gap:8px;
    font-family:var(--font-mono);font-size:14px;font-weight:500;
    text-decoration:none;padding:14px 22px;border-radius:2px;
    border:1px solid transparent;cursor:pointer;transition:transform .15s ease, background .2s ease, color .2s ease;
    letter-spacing:.02em;
  }
  .btn:active{transform:translateY(1px);}
  .btn-amber{background:var(--amber);color:var(--asphalt);}
  .btn-amber:hover{background:#bf5146;}
  .btn-outline{background:transparent;border-color:rgba(255,255,255,.35);color:#fff;}
  .btn-outline:hover{border-color:var(--amber);color:var(--amber);}
  .btn-dark-outline{background:transparent;border-color:var(--asphalt);color:var(--asphalt);}
  .btn-dark-outline:hover{background:var(--asphalt);color:#fff;}

  /* tread divider */
  .tread{height:14px;width:100%;background-image:repeating-linear-gradient(115deg, var(--asphalt) 0 10px, transparent 10px 22px);background-color:var(--green);}

  /* HEADER */
  header{
    position:sticky;top:0;z-index:50;
    background:rgba(21,23,26,.92);backdrop-filter:blur(6px);
    border-bottom:1px solid var(--line-dark);
  }
  .nav{display:flex;align-items:center;justify-content:space-between;padding:14px 24px;color:#fff;}
  .logo{display:flex;align-items:center;gap:5px;font-family:var(--font-display);font-size:18px;letter-spacing:.03em;text-transform:uppercase;}
  .logo svg{flex-shrink:0;}
  .logo small{display:block;font-family:var(--font-mono);font-size:10px;letter-spacing:.16em;color:var(--amber);text-transform:uppercase;font-weight:400;}
  nav.links{display:flex;gap:18px;font-family:var(--font-mono);font-size:12px;letter-spacing:.02em;}
  nav.links a{text-decoration:none;color:#C9CBCE;transition:color .15s;}
  nav.links a:hover{color:var(--amber);}
  .status-pill{
    font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;
    padding:5px 10px;border-radius:20px;display:inline-flex;align-items:center;gap:6px;
    border:1px solid var(--line-dark);color:#C9CBCE;
  }
  .status-dot{width:6px;height:6px;border-radius:50%;background:var(--good);box-shadow:0 0 0 3px rgba(76,139,92,.25);}
  .status-pill.closed .status-dot{background:#b34a3d;box-shadow:0 0 0 3px rgba(179,74,61,.25);}
  .nav-right{display:flex;align-items:center;gap:16px;}
  .call-btn{display:none;}
  @media(min-width:860px){.call-btn{display:inline-flex;}}
  .lang-toggle{padding:8px 14px;font-weight:700;letter-spacing:.06em;}
  .burger{display:none;background:none;border:none;color:#fff;font-size:22px;cursor:pointer;}
  @media(max-width:859px){nav.links{display:none;} .burger{display:block;}}

  /* HERO */
  .hero{
    position:relative;background:var(--asphalt);color:#fff;overflow:hidden;
    padding:96px 0 70px;
  }
  .hero::before{
    content:"";position:absolute;inset:0;opacity:.5;
    background-image:radial-gradient(circle at 82% 20%, rgba(60,90,110,.5), transparent 45%),
      repeating-radial-gradient(circle at 50% 50%, transparent 0 40px, rgba(255,255,255,.02) 40px 41px);
  }
  .hero-grid{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;}
  @media(max-width:900px){.hero-grid{grid-template-columns:1fr;}}
  .hero h1{font-size:clamp(40px,6vw,68px);}
  .hero h1 em{font-style:normal;color:var(--amber);}
  .hero p.lead{font-size:17px;color:#C9CBCE;max-width:520px;margin-bottom:28px;}
  .hero-ctas{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px;}
  .hero-meta{display:flex;gap:28px;flex-wrap:wrap;font-family:var(--font-mono);font-size:13px;color:#9EA2A6;}
  .hero-meta strong{display:block;color:#fff;font-size:15px;font-family:var(--font-body);font-weight:600;}

  .gauge-card{
    background:var(--asphalt-2);border:1px solid var(--line-dark);border-radius:6px;padding:28px;
    display:flex;flex-direction:column;align-items:center;text-align:center;position:relative;
  }
  .gauge-card .cap{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;color:var(--amber);text-transform:uppercase;margin-bottom:6px;}
  .gauge-num{font-family:var(--font-display);font-size:56px;color:#fff;margin:6px 0 2px;}
  .gauge-sub{font-family:var(--font-mono);font-size:12px;color:#9EA2A6;margin-bottom:10px;}
  .stars{color:var(--amber);letter-spacing:2px;font-size:16px;}

  /* SECTION generic */
  section{padding:88px 0;}
  .section-head{max-width:640px;margin-bottom:48px;}
  .section-head p{color:var(--rubber);font-size:16px;}

  /* ABOUT */
  .about{background:var(--concrete);}
  .about-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start;}
  @media(max-width:860px){.about-grid{grid-template-columns:1fr;}}
  .about-copy p{margin-bottom:16px;color:#333;}
  .stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line);margin-top:28px;}
  .stat{padding:18px 0 0;border-right:1px solid var(--line);}
  .stat:last-child{border-right:none;}
  .stat b{font-family:var(--font-display);font-size:30px;display:block;}
  .stat span{font-family:var(--font-mono);font-size:11px;color:var(--rubber);text-transform:uppercase;letter-spacing:.08em;}
  .hours-card{background:var(--asphalt);color:#fff;border-radius:6px;padding:30px 32px;}
  .hours-card h3{color:#fff;font-size:16px;margin-bottom:18px;}
  .hours-card table{width:100%;border-collapse:collapse;font-family:var(--font-mono);font-size:13px;}
  .hours-card td{padding:7px 0;border-bottom:1px solid var(--line-dark);color:#C9CBCE;}
  .hours-card tr.today td{color:var(--amber);}
  .hours-card td:last-child{text-align:right;color:#fff;}

  /* SERVICES */
  .services{background:var(--asphalt);color:#fff;}
  .services .section-head p{color:#9EA2A6;}
  .services .eyebrow{color:var(--amber);}
  .svc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-dark);border:1px solid var(--line-dark);}
  @media(max-width:900px){.svc-grid{grid-template-columns:repeat(2,1fr);}}
  @media(max-width:560px){.svc-grid{grid-template-columns:1fr;}}
  .svc-card{background:var(--asphalt-2);padding:28px 24px;min-height:180px;display:flex;flex-direction:column;justify-content:space-between;transition:background .2s;}
  .svc-card:hover{background:#252932;}
  .svc-card h4{color:#fff;font-size:16px;margin-bottom:8px;}
  .svc-card p{font-size:13px;color:#9EA2A6;margin:0;}
  .svc-icon{color:var(--amber);margin-bottom:14px;}

  /* GALLERY */
  .gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;}
  @media(max-width:900px){.gallery-grid{grid-template-columns:repeat(2,1fr);}}
  .g-panel{aspect-ratio:4/5;border-radius:4px;overflow:hidden;position:relative;background:var(--asphalt-2);}
  .g-panel img{width:100%;height:100%;object-fit:cover;display:block;}
  .g-overlay{position:absolute;inset:0;display:flex;align-items:flex-end;padding:16px;background:linear-gradient(180deg, transparent 45%, rgba(0,0,0,.72));}
  .g-overlay span{font-family:var(--font-mono);font-size:12px;color:#fff;letter-spacing:.04em;text-transform:uppercase;}
  .gallery-credit{font-family:var(--font-mono);font-size:11px;color:var(--rubber);margin-top:14px;}
  .gallery-credit a{color:var(--rubber);text-decoration:underline;}

  /* CATALOG */
  .catalog{background:var(--concrete-2);}
  .catalog-controls{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:32px;}
  .catalog-controls input, .catalog-controls select{
    font-family:var(--font-mono);font-size:13px;padding:11px 14px;border:1px solid var(--line);border-radius:2px;background:#fff;color:var(--asphalt);
  }
  .catalog-controls input{flex:1;min-width:200px;}
  .tire-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
  @media(max-width:900px){.tire-grid{grid-template-columns:repeat(2,1fr);}}
  @media(max-width:600px){.tire-grid{grid-template-columns:1fr;}}
  .tire-card{background:#fff;border:1px solid var(--line);border-radius:4px;padding:22px;display:flex;flex-direction:column;gap:10px;}
  .tire-top{display:flex;justify-content:space-between;align-items:flex-start;}
  .tire-brand{font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--rubber);}
  .tire-model{font-family:var(--font-display);font-size:20px;text-transform:none;letter-spacing:0;margin:2px 0 0;}
  .tire-badge{font-family:var(--font-mono);font-size:10px;padding:4px 8px;border-radius:20px;background:var(--concrete);color:var(--rubber);border:1px solid var(--line);white-space:nowrap;}
  .tire-sizes{font-family:var(--font-mono);font-size:12px;color:var(--rubber);}
  .tire-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);}
  .tire-price{font-family:var(--font-mono);font-size:15px;font-weight:600;}
  .tire-price span{font-size:11px;color:var(--rubber);font-weight:400;}
  .tire-cta{font-family:var(--font-mono);font-size:12px;text-decoration:none;color:var(--steel);border-bottom:1px solid var(--steel-light);}
  .tire-cta:hover{color:var(--amber-dim);border-color:var(--amber-dim);}
  .catalog-note{font-family:var(--font-mono);font-size:12px;color:var(--rubber);margin-top:24px;}
  .empty-state{font-family:var(--font-mono);font-size:13px;color:var(--rubber);padding:40px 0;text-align:center;grid-column:1/-1;}

  /* BLOG */
  .blog{background:var(--concrete);}
  .blog-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
  @media(max-width:900px){.blog-grid{grid-template-columns:repeat(2,1fr);}}
  @media(max-width:560px){.blog-grid{grid-template-columns:1fr;}}
  .blog-card{
    background:#fff;border:1px solid var(--line);border-radius:6px;overflow:hidden;
    display:flex;flex-direction:column;cursor:pointer;transition:transform .15s ease, box-shadow .2s ease;
  }
  .blog-card:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(21,23,26,.1);}
  .blog-card:focus-visible{outline:2px solid var(--amber-dim);outline-offset:2px;}
  .blog-thumb{height:120px;position:relative;display:flex;align-items:flex-end;padding:14px;}
  .blog-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg, transparent 30%, rgba(0,0,0,.55));}
  .blog-thumb span{position:relative;font-family:var(--font-mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:#fff;}
  .b1{background:linear-gradient(135deg,#1E3A5C,#101f30);}
  .b2{background:linear-gradient(135deg,#A8433A,#5a221d);}
  .b3{background:linear-gradient(135deg,#55584c,#1c1d19);}
  .b4{background:linear-gradient(135deg,#626C59,#1a1f16);}
  .blog-body{padding:20px;display:flex;flex-direction:column;gap:8px;flex:1;}
  .blog-cat{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--amber-dim);}
  .blog-title{font-family:var(--font-display);font-size:18px;text-transform:none;letter-spacing:0;margin:0;line-height:1.2;}
  .blog-excerpt{font-size:13px;color:var(--rubber);flex:1;margin:0;}
  .blog-read{font-family:var(--font-mono);font-size:12px;color:var(--steel);margin-top:6px;}

  .modal-overlay{
    position:fixed;inset:0;background:rgba(13,14,16,.7);z-index:100;
    display:none;align-items:flex-start;justify-content:center;padding:5vh 20px;overflow-y:auto;
  }
  .modal-overlay.open{display:flex;}
  .modal-box{
    background:var(--concrete-2);border-radius:8px;max-width:680px;width:100%;
    padding:0;position:relative;margin-bottom:5vh;
  }
  .modal-hero{height:140px;position:relative;border-radius:8px 8px 0 0;display:flex;align-items:flex-end;padding:20px 28px;}
  .modal-hero::after{content:"";position:absolute;inset:0;border-radius:8px 8px 0 0;background:linear-gradient(180deg, transparent 30%, rgba(0,0,0,.6));}
  .modal-hero span{position:relative;font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--amber);}
  .modal-close{
    position:absolute;top:14px;right:14px;z-index:2;background:rgba(21,23,26,.55);border:none;color:#fff;
    width:32px;height:32px;border-radius:50%;font-size:16px;cursor:pointer;line-height:1;
  }
  .modal-close:hover{background:var(--asphalt);}
  .modal-content{padding:32px;}
  .modal-content h3{font-family:var(--font-display);font-size:26px;text-transform:none;letter-spacing:0;margin-bottom:6px;}
  .modal-meta{font-family:var(--font-mono);font-size:11.5px;color:var(--rubber);margin-bottom:22px;}
  .modal-content p{color:#333;margin-bottom:14px;font-size:15px;}
  .modal-content h4{font-family:var(--font-display);font-size:15px;text-transform:none;letter-spacing:0;margin:22px 0 8px;color:var(--asphalt);}
  .modal-content ul{margin:0 0 14px;padding-left:20px;color:#333;font-size:15px;}
  .modal-content li{margin-bottom:6px;}
  .modal-cta{
    margin-top:10px;padding:18px 20px;background:var(--asphalt);border-radius:6px;color:#fff;
    display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  }
  .modal-cta p{color:#C9CBCE;margin:0;font-size:13.5px;max-width:340px;}

  /* TESTIMONIALS */
  .testimonials{background:var(--asphalt);color:#fff;}
  .testimonials .section-head p{color:#9EA2A6;}
  .t-scroll{display:flex;gap:18px;overflow-x:auto;padding-bottom:10px;scroll-snap-type:x mandatory;}
  .t-card{
    scroll-snap-align:start;flex:0 0 340px;background:var(--asphalt-2);border:1px solid var(--line-dark);
    border-radius:6px;padding:26px;display:flex;flex-direction:column;gap:14px;
  }
  .t-stars{color:var(--amber);font-size:14px;letter-spacing:2px;}
  .t-quote{font-size:14.5px;color:#DADCDE;flex:1;}
  .t-name{font-family:var(--font-mono);font-size:12px;color:#9EA2A6;padding-top:10px;border-top:1px solid var(--line-dark);}

  /* CONTACT / MAP */
  .contact{background:var(--concrete);}
  .contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--line);border-radius:6px;overflow:hidden;}
  @media(max-width:860px){.contact-grid{grid-template-columns:1fr;}}
  .contact-info{background:#fff;padding:40px;}
  .contact-info h3{font-size:15px;margin-bottom:4px;}
  .contact-row{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line);}
  .contact-row:last-of-type{border-bottom:none;}
  .contact-row .ico{color:var(--amber-dim);flex-shrink:0;margin-top:2px;}
  .contact-row a{text-decoration:none;font-weight:500;}
  .contact-row a:hover{color:var(--amber-dim);}
  .contact-row small{display:block;color:var(--rubber);font-family:var(--font-mono);font-size:11px;margin-top:2px;}
  .map-frame{min-height:340px;background:var(--concrete);}
  .map-frame iframe{width:100%;height:100%;border:0;min-height:340px;}

  /* AI ASSISTANT */
  .assistant-launcher{
    position:fixed;bottom:22px;right:22px;z-index:80;
    background:var(--amber);color:var(--asphalt);border:none;border-radius:50px;
    padding:15px 20px;display:flex;align-items:center;gap:10px;cursor:pointer;
    font-family:var(--font-mono);font-size:13px;font-weight:600;box-shadow:0 10px 30px rgba(0,0,0,.35);
    transition:transform .15s ease;
  }
  .assistant-launcher:hover{transform:translateY(-2px);}
  .assistant-panel{
    position:fixed;bottom:22px;right:22px;z-index:90;width:380px;max-width:calc(100vw - 32px);
    height:min(560px, calc(100vh - 100px));background:var(--asphalt-2);border:1px solid var(--line-dark);
    border-radius:10px;display:none;flex-direction:column;overflow:hidden;box-shadow:0 20px 60px rgba(0,0,0,.5);
  }
  .assistant-panel.open{display:flex;}
  .a-head{background:var(--asphalt);color:#fff;padding:16px 18px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line-dark);}
  .a-head-title{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-size:15px;letter-spacing:.02em;}
  .a-dot{width:8px;height:8px;border-radius:50%;background:var(--good);box-shadow:0 0 0 3px rgba(76,139,92,.25);}
  .a-close{background:none;border:none;color:#9EA2A6;font-size:18px;cursor:pointer;line-height:1;}
  .a-close:hover{color:#fff;}
  .a-sub{font-family:var(--font-mono);font-size:10.5px;color:#9EA2A6;padding:0 18px;background:var(--asphalt);padding-bottom:10px;border-bottom:1px solid var(--line-dark);}
  .a-body{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:12px;background:#191b1e;}
  .a-msg{max-width:86%;padding:11px 14px;border-radius:8px;font-size:13.5px;line-height:1.5;}
  .a-msg.bot{background:var(--asphalt-2);color:#EDEEEA;align-self:flex-start;border:1px solid var(--line-dark);}
  .a-msg.user{background:var(--amber);color:var(--asphalt);align-self:flex-end;font-weight:500;}
  .a-msg.bot a{color:var(--amber);}
  .a-typing{align-self:flex-start;font-family:var(--font-mono);font-size:11px;color:#9EA2A6;padding:0 4px;}
  .a-quick{display:flex;flex-wrap:wrap;gap:8px;padding:0 16px 12px;}
  .a-chip{font-family:var(--font-mono);font-size:11.5px;background:transparent;border:1px solid var(--line-dark);color:#C9CBCE;padding:7px 11px;border-radius:20px;cursor:pointer;}
  .a-chip:hover{border-color:var(--amber);color:var(--amber);}
  .a-input-row{display:flex;gap:8px;padding:14px;border-top:1px solid var(--line-dark);background:var(--asphalt);}
  .a-input-row input{flex:1;background:var(--asphalt-2);border:1px solid var(--line-dark);color:#fff;padding:11px 12px;border-radius:6px;font-family:var(--font-body);font-size:13.5px;}
  .a-input-row input::placeholder{color:#7A7E82;}
  .a-input-row button{background:var(--amber);border:none;border-radius:6px;padding:0 16px;cursor:pointer;font-family:var(--font-mono);font-weight:600;color:var(--asphalt);}
  .a-input-row button:disabled{opacity:.5;cursor:not-allowed;}

  /* FOOTER */
  footer{background:var(--asphalt);color:#9EA2A6;padding:44px 0 26px;}
  .foot-grid{display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:24px;}
  .foot-links{display:flex;gap:22px;font-family:var(--font-mono);font-size:12.5px;flex-wrap:wrap;}
  .foot-links a{text-decoration:none;color:#9EA2A6;}
  .foot-links a:hover{color:var(--amber);}
  .foot-bottom{font-family:var(--font-mono);font-size:11px;color:#5B5E62;margin-top:30px;border-top:1px solid var(--line-dark);padding-top:20px;}

  ::selection{background:var(--amber);color:var(--asphalt);}