/* =============================================================
   ARMAZÉM DOS PNEUS — Design System (base)
   Estilo automóvel/industrial: preto + amarelo (do logo).
   ============================================================= */

/* ---------- Fontes (auto-alojadas, RGPD-friendly) ---------- */
@font-face{font-family:'Oswald';font-style:normal;font-weight:500;font-display:swap;src:url('../fonts/oswald-500.woff2') format('woff2')}
@font-face{font-family:'Oswald';font-style:normal;font-weight:600;font-display:swap;src:url('../fonts/oswald-600.woff2') format('woff2')}
@font-face{font-family:'Oswald';font-style:normal;font-weight:700;font-display:swap;src:url('../fonts/oswald-700.woff2') format('woff2')}
@font-face{font-family:'Inter';font-style:normal;font-weight:400;font-display:swap;src:url('../fonts/inter-400.woff2') format('woff2')}
@font-face{font-family:'Inter';font-style:normal;font-weight:500;font-display:swap;src:url('../fonts/inter-500.woff2') format('woff2')}
@font-face{font-family:'Inter';font-style:normal;font-weight:600;font-display:swap;src:url('../fonts/inter-600.woff2') format('woff2')}
@font-face{font-family:'Inter';font-style:normal;font-weight:700;font-display:swap;src:url('../fonts/inter-700.woff2') format('woff2')}

/* ---------- Tokens ---------- */
:root{
  /* Assinatura: amarelo + preto */
  --yellow:#FECB00;
  --yellow-600:#E6B500;
  --yellow-700:#C99C00;
  --yellow-050:#FFF7DB;
  --ink:#141414;          /* preto principal (texto/fundos escuros) */
  --ink-900:#0C0C0C;
  --ink-800:#1B1B1B;
  --steel:#B1B1B2;        /* cinza/prata do logo */
  --steel-600:#8A8A8C;

  /* Neutros */
  --body:#3A3A3C;
  --muted:#6E6E73;
  --line:#E7E7E9;
  --line-2:#D9D9DC;
  --bg:#FFFFFF;
  --bg-soft:#F5F5F4;      /* secção alternada (cinza muito claro) */
  --bg-mut:#EFEFEE;
  --dark:#141414;         /* secções escuras */
  --dark-2:#0C0C0C;

  /* Gradientes / acentos */
  --grad-yellow:linear-gradient(135deg,#FFD836 0%,#FECB00 55%,#E6B500 100%);
  --grad-dark:linear-gradient(160deg,#1C1C1C 0%,#121212 60%,#0A0A0A 100%);

  /* Tipografia */
  --font-head:'Oswald',Impact,'Haettenschweiler','Arial Narrow',system-ui,sans-serif;
  --font-body:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;

  /* Escala fluida */
  --fs-display:clamp(2.6rem,6vw,5rem);
  --fs-h1:clamp(2.1rem,4.6vw,3.5rem);
  --fs-h2:clamp(1.7rem,3.4vw,2.7rem);
  --fs-h3:clamp(1.2rem,2vw,1.65rem);
  --fs-lead:clamp(1.05rem,1.6vw,1.28rem);
  --fs-body:1rem;--fs-sm:.9rem;--fs-xs:.78rem;

  /* Espaçamento / layout */
  --space-section:clamp(3.5rem,7vw,6.5rem);
  --container:1220px;--container-wide:1340px;
  --gutter:clamp(1.1rem,4vw,2rem);

  /* Raios / sombras / transições */
  --radius-sm:8px;--radius:14px;--radius-lg:22px;--radius-pill:999px;
  --shadow-sm:0 2px 8px rgba(20,20,20,.07);
  --shadow:0 14px 34px -14px rgba(20,20,20,.22);
  --shadow-lg:0 30px 64px -24px rgba(20,20,20,.32);
  --shadow-yellow:0 16px 34px -14px rgba(254,203,0,.5);
  --ease:cubic-bezier(.22,.61,.36,1);
  --t-fast:.16s var(--ease);--t:.28s var(--ease);
  --header-h:96px;
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box}*{margin:0}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:78px}
body{font-family:var(--font-body);font-size:var(--fs-body);line-height:1.65;color:var(--body);background:var(--bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
img,picture,svg,video{display:block;max-width:100%;height:auto}
input,button,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:none}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none;padding:0}
h1,h2,h3,h4{font-family:var(--font-head);color:var(--ink);line-height:1.05;font-weight:700;letter-spacing:.01em;text-transform:uppercase}

/* ---------- Utilitários ---------- */
.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:var(--gutter)}
.container-wide{max-width:var(--container-wide)}
.section{padding-block:var(--space-section)}
.section--soft{background:var(--bg-soft)}
.section--dark{background:var(--dark);color:#CFCFCF}
.section--dark h1,.section--dark h2,.section--dark h3{color:#fff}

.eyebrow{display:inline-flex;align-items:center;gap:.55em;font-family:var(--font-head);font-weight:600;font-size:.85rem;letter-spacing:.18em;text-transform:uppercase;color:var(--ink)}
.eyebrow::before{content:"";width:30px;height:4px;border-radius:2px;background:var(--yellow)}
.section--dark .eyebrow{color:#fff}
.section-head{max-width:46rem;margin-bottom:clamp(2rem,4vw,3rem)}
.section-head--center{margin-inline:auto;text-align:center}
.section-title{font-size:var(--fs-h2);margin:.55rem 0 .6rem}
.section-lead{font-family:var(--font-body);font-size:var(--fs-lead);color:var(--muted);text-transform:none;letter-spacing:0}
.section--dark .section-lead{color:#AEAEAE}
.hl{color:var(--ink);background:var(--yellow);padding:0 .18em;box-decoration-break:clone;-webkit-box-decoration-break:clone}
.text-y{color:var(--yellow-700)}

/* Hazard stripe (acento automóvel) */
.stripe{height:8px;background:repeating-linear-gradient(45deg,var(--yellow) 0 22px,var(--ink) 22px 44px)}

/* Botões */
.btn{--bg:var(--yellow);--fg:var(--ink);display:inline-flex;align-items:center;justify-content:center;gap:.55em;font-family:var(--font-head);font-weight:600;font-size:1rem;letter-spacing:.03em;text-transform:uppercase;line-height:1;padding:.95em 1.6em;border-radius:var(--radius-pill);background:var(--bg);color:var(--fg);border:2px solid transparent;transition:transform var(--t-fast),box-shadow var(--t),background var(--t),color var(--t);white-space:nowrap}
.btn:hover{transform:translateY(-2px)}.btn:active{transform:translateY(0)}
.btn--primary{background:var(--yellow);color:var(--ink);box-shadow:var(--shadow-yellow)}
.btn--primary:hover{background:var(--yellow-600)}
.btn--dark{background:var(--ink);color:#fff}.btn--dark:hover{background:var(--ink-800)}
.btn--wa{background:#25D366;color:#08301b;box-shadow:0 14px 30px -14px rgba(37,211,102,.7)}.btn--wa:hover{background:#20c05c}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--line-2)}.btn--ghost:hover{border-color:var(--ink);}
.btn--outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.35)}.btn--outline-light:hover{border-color:var(--yellow);color:var(--yellow)}
.btn--lg{padding:1.08em 2em;font-size:1.08rem}
.btn--sm{padding:.6em 1.1em;font-size:.88rem}
.btn svg{width:1.15em;height:1.15em;fill:currentColor;flex:none}

/* Chips / badges */
.chip{display:inline-flex;align-items:center;gap:.4em;font-family:var(--font-head);font-weight:500;font-size:.9rem;letter-spacing:.02em;text-transform:uppercase;padding:.5em 1.05em;border-radius:var(--radius-pill);background:#fff;color:var(--ink);border:1.5px solid var(--line-2);transition:all var(--t-fast);cursor:pointer}
.chip:hover{border-color:var(--ink)}
.chip[aria-pressed="true"],.chip.is-active{background:var(--ink);border-color:var(--ink);color:var(--yellow)}
.badge{display:inline-flex;align-items:center;gap:.35em;font-family:var(--font-head);font-weight:600;font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;padding:.36em .7em;border-radius:6px;background:var(--yellow);color:var(--ink)}
.badge--dark{background:var(--ink);color:var(--yellow)}
.badge--steel{background:var(--bg-mut);color:var(--body)}

/* Cartão base */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:transform var(--t),box-shadow var(--t),border-color var(--t)}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--line-2)}

/* Acessibilidade */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip-link{position:absolute;left:12px;top:-60px;z-index:200;background:var(--yellow);color:var(--ink);font-family:var(--font-head);font-weight:600;padding:.7em 1.1em;border-radius:0 0 var(--radius-sm) var(--radius-sm);transition:top var(--t)}
.skip-link:focus{top:0}
:focus-visible{outline:3px solid var(--yellow);outline-offset:2px;border-radius:4px}

/* Reveal on scroll */
[data-reveal]{opacity:0;transform:translateY(24px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
[data-reveal].is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}[data-reveal]{opacity:1;transform:none}}