/* ============================================================
   SD SERVICE DIESEL — Landing Page
   Paleta da marca: vermelho SD + grafite + aço
   ============================================================ */

:root{
  --red:#e23a36;
  --red-dark:#b22824;
  --red-deep:#7d2a2c;
  --ink:#111316;       /* preto grafite */
  --ink-2:#181b1f;
  --ink-3:#21252b;
  --steel:#404348;
  --steel-2:#6b7178;
  --line:#2a2f35;
  --paper:#f5f6f7;
  --paper-2:#eceef0;
  --white:#ffffff;
  --muted:#9aa3ab;
  --text:#e8eaed;
  --text-dark:#1c2024;
  --radius:16px;
  --radius-sm:11px;
  --shadow:0 18px 50px -20px rgba(0,0,0,.55);
  --shadow-soft:0 10px 30px -16px rgba(0,0,0,.35);
  --wa:#25d366;
  --wa-dark:#1da851;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  color:var(--text-dark);
  background:var(--paper);
  line-height:1.6;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}

h1,h2,h3,h4,.form-title{
  font-family:'Archivo',sans-serif;
  font-weight:800;
  line-height:1.08;
  letter-spacing:-.02em;
}

.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}

/* ---------- Buttons ---------- */
.btn{
  --b:var(--red);
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 22px;border-radius:50px;border:none;cursor:pointer;
  font-family:'Archivo',sans-serif;font-weight:700;font-size:.97rem;
  letter-spacing:.01em;color:#fff;background:var(--b);
  transition:transform .18s var(--ease),box-shadow .25s,background .2s,filter .2s;
  -webkit-tap-highlight-color:transparent;line-height:1;
}
.btn:active{transform:scale(.97)}
.btn-lg{padding:16px 28px;font-size:1.05rem}
.btn-block{width:100%}
.btn .ico-wa{width:20px;height:20px;fill:currentColor;flex:none;object-fit:contain}
img.ico-wa{filter:brightness(0) invert(1)}/* garante ícone branco sobre o botão */
.btn-wa{--b:var(--wa);background:linear-gradient(135deg,var(--wa),var(--wa-dark));
  box-shadow:0 10px 24px -10px rgba(37,211,102,.7)}
.btn-wa:hover{filter:brightness(1.06);box-shadow:0 14px 30px -10px rgba(37,211,102,.85)}
.btn-ghost{background:transparent;border:1.5px solid rgba(255,255,255,.35);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:#fff}

.kicker{
  display:inline-block;font-family:'Archivo',sans-serif;font-weight:700;
  font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--red);margin-bottom:14px;
}
.section-dark .kicker{color:#ff6b5f}

/* ---------- Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:90;
  background:rgba(17,19,22,.82);backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(255,255,255,.06);
  transition:background .3s,box-shadow .3s;
}
.site-header.scrolled{background:rgba(0, 0, 0, 0.97);box-shadow:0 6px 24px -12px rgba(0,0,0,.6)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px}
.brand-logo{height:34px;width:auto}
.nav{display:none;gap:26px;margin-left:auto}
.nav a{
  font-family:'Archivo',sans-serif;font-weight:600;font-size:.92rem;color:#cfd4d9;
  padding:6px 2px;position:relative;transition:color .2s;
}
.nav a::after{content:"";position:absolute;left:0;right:100%;bottom:-2px;height:2px;
  background:var(--red);transition:right .25s var(--ease)}
.nav a:hover{color:#fff}.nav a:hover::after{right:0}
.header-cta{display:none;padding:10px 18px;font-size:.9rem}
.nav-toggle{
  display:flex;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:42px;background:rgba(255,255,255,.07);border:none;border-radius:11px;
  cursor:pointer;margin-left:auto;
}
.nav-toggle span{display:block;width:20px;height:2px;background:#fff;margin:0 auto;border-radius:2px;
  transition:transform .3s,opacity .2s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* mobile nav drawer */
.nav.open{
  display:flex;flex-direction:column;gap:0;position:fixed;top:64px;left:0;right:0;
  background:rgba(17,19,22,.99);padding:8px 20px 20px;margin:0;
  border-bottom:1px solid var(--line);box-shadow:var(--shadow);
}
.nav.open a{padding:15px 4px;border-bottom:1px solid rgba(255,255,255,.06);font-size:1.05rem}

/* ---------- Hero ---------- */
.hero{position:relative;color:#fff;padding:96px 0 56px;overflow:hidden;isolation:isolate}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;z-index:-2;transform:scale(1.05)}
.hero-overlay{position:absolute;inset:0;z-index:-1;
  background:
    linear-gradient(180deg,rgba(17,19,22,.78) 0%,rgba(17,19,22,.86) 55%,rgba(17,19,22,.97) 100%),
    radial-gradient(120% 90% at 80% 0%,rgba(226,58,54,.28),transparent 55%);
}
.hero-grid{display:grid;gap:34px}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-family:'Archivo',sans-serif;font-weight:600;font-size:.82rem;
  letter-spacing:.04em;text-transform:uppercase;color:#e7c9c7;
  background:rgba(226,58,54,.14);border:1px solid rgba(226,58,54,.35);
  padding:8px 15px;border-radius:50px;margin-bottom:22px;
}
.eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--red);
  box-shadow:0 0 0 0 rgba(226,58,54,.7);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(226,58,54,.6)}70%{box-shadow:0 0 0 9px rgba(226,58,54,0)}100%{box-shadow:0 0 0 0 rgba(226,58,54,0)}}
.hero h1{font-size:clamp(2.05rem,7.5vw,3.7rem);font-weight:900;margin-bottom:18px}
.hero h1 .hl{color:var(--red);text-shadow:0 2px 30px rgba(226,58,54,.35)}
.lead{font-size:clamp(1rem,3.6vw,1.18rem);color:#cdd2d7;max-width:620px;margin-bottom:26px}
.lead strong{color:#fff;font-weight:600}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.hero-trust{display:flex;flex-wrap:wrap;gap:10px 22px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12)}
.hero-trust li{font-size:.92rem;color:var(--muted)}
.hero-trust strong{color:#fff;font-family:'Archivo',sans-serif;font-weight:800}

/* hero form */
.hero-form-wrap{max-width:440px;width:100%}
.lead-form{
  background:linear-gradient(180deg,#fff,#f3f4f5);
  border-radius:var(--radius);padding:26px 22px 22px;color:var(--text-dark);
  box-shadow:var(--shadow);border:1px solid rgba(0,0,0,.06);
}
.lead-form .form-title{font-size:1.45rem;font-weight:800;color:var(--ink)}
.form-sub{font-size:.92rem;color:#6a7178;margin:4px 0 18px}
.field{margin-bottom:11px}
.field input,.field select,.field textarea{
  width:100%;padding:13px 15px;border:1.5px solid #d9dde1;border-radius:var(--radius-sm);
  font-family:inherit;font-size:1rem;color:var(--text-dark);background:#fff;
  transition:border-color .2s,box-shadow .2s;resize:vertical;
}
.field textarea{min-height:52px}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--red);box-shadow:0 0 0 3px rgba(226,58,54,.14)}
.field select{appearance:none;cursor:pointer;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%236a7178' d='M6 8 0 0h12z'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 16px center;padding-right:38px}
.lead-form .btn{margin-top:6px}
.form-note{font-size:.78rem;color:#8a9097;text-align:center;margin-top:11px}
.field.has-error input,.field.has-error select,.field.has-error textarea{
  border-color:var(--red);box-shadow:0 0 0 3px rgba(226,58,54,.14)}
.field-error{margin-top:6px;font-size:.82rem;color:var(--red-dark);font-weight:500;line-height:1.35}

/* ---------- Trust strip ---------- */
.strip{background:var(--ink);border-bottom:1px solid var(--line)}
.strip-inner{display:grid;grid-template-columns:repeat(2,1fr);gap:2px;text-align:center}
.strip-item{padding:26px 12px;display:flex;flex-direction:column;align-items:center}
.strip-item .num{font-family:'Archivo',sans-serif;font-weight:900;font-size:2.3rem;color:var(--red);line-height:1}
.strip-item .lbl{font-size:.82rem;color:var(--muted);margin-top:6px;max-width:140px}

/* ---------- Sections ---------- */
.section{padding:62px 0}
.section-dark{background:var(--ink);color:var(--text)}
.section-dark h2{color:#fff}
.section-head{max-width:680px;margin:0 auto 40px;text-align:center}
.section-head h2{font-size:clamp(1.7rem,5.5vw,2.6rem);margin-bottom:14px;color:var(--ink)}
.section-dark .section-head h2{color:#fff}
.section-head p{color:#5d646b;font-size:1.04rem}
.section-dark .section-head p{color:var(--muted)}

/* ---------- Service cards ---------- */
.cards{display:grid;gap:18px}
.card{
  position:relative;background:#fff;border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-soft);border:1px solid rgba(0,0,0,.05);
  transition:transform .3s var(--ease),box-shadow .3s;
}
.card:hover{transform:translateY(-6px);box-shadow:0 26px 50px -22px rgba(0,0,0,.4)}
.card-img{height:190px;background-size:cover;background-position:center;position:relative}
.card-img::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(0,0,0,.35))}
.card-body{padding:20px 20px 24px}
.card-body h3{font-size:1.25rem;color:var(--ink);margin-bottom:8px}
.card-body p{font-size:.95rem;color:#5d646b}
.card .badge{
  position:absolute;top:14px;left:14px;z-index:2;
  background:var(--red);color:#fff;font-family:'Archivo',sans-serif;font-weight:700;
  font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;
  padding:6px 12px;border-radius:50px;box-shadow:0 6px 16px -6px rgba(226,58,54,.8);
}
.card-feature{border:1.5px solid rgba(226,58,54,.4)}
.card-feature .card-img{height:210px}

/* ---------- Diferenciais ---------- */
.feat-grid{display:grid;gap:16px}
.feat{
  background:var(--ink-2);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 20px;transition:transform .25s var(--ease),border-color .25s,background .25s;
}
.feat:hover{transform:translateY(-4px);border-color:rgba(226,58,54,.5);background:var(--ink-3)}
.feat-ico{font-size:1.9rem;margin-bottom:12px;
  width:54px;height:54px;display:flex;align-items:center;justify-content:center;
  background:rgba(226,58,54,.12);border:1px solid rgba(226,58,54,.3);border-radius:14px}
.feat-ico img{width:28px;height:28px;object-fit:contain;filter:brightness(0) invert(1)}
.feat h3{font-size:1.16rem;color:#fff;margin-bottom:8px}
.feat p{font-size:.93rem;color:var(--muted)}

/* ---------- Split sections ---------- */
.split-grid{display:grid;gap:30px;align-items:center}
.split-media img{width:100%;border-radius:var(--radius);box-shadow:var(--shadow);object-fit:cover}
.split-copy h2{font-size:clamp(1.6rem,5.5vw,2.5rem);margin-bottom:16px;color:var(--ink)}
.section-dark .split-copy h2{color:#fff}
.split-copy>p{color:#5d646b;margin-bottom:14px;font-size:1.02rem}
.section-dark .split-copy>p{color:var(--muted)}
.section-dark .split-copy>p strong{color:#fff}
.region-list{display:grid;grid-template-columns:1fr 1fr;gap:10px 16px;margin:20px 0 26px}
.region-list li{position:relative;padding-left:26px;font-weight:500;font-size:.98rem;color:var(--ink)}
.section-dark .region-list li{color:var(--text)}
.region-list li::before{content:"";position:absolute;left:0;top:7px;width:9px;height:9px;
  border-radius:50%;background:var(--red);box-shadow:0 0 0 4px rgba(226,58,54,.18)}
.region-list li:last-child{grid-column:1/-1;color:var(--steel-2);font-style:italic}
.section-dark .region-list li:last-child{color:var(--muted)}

.quote{
  margin-top:26px;padding:20px 22px;border-left:3px solid var(--red);
  background:rgba(226,58,54,.07);border-radius:0 12px 12px 0;
}
.quote p{font-family:'Archivo',sans-serif;font-style:italic;font-weight:500;font-size:1.08rem;color:#fff;margin-bottom:8px}
.quote span{font-size:.85rem;color:var(--muted)}

/* ---------- Gallery ---------- */
.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.g-item{border-radius:var(--radius-sm);overflow:hidden;aspect-ratio:4/3;box-shadow:var(--shadow-soft)}
.g-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.g-item:hover img{transform:scale(1.08)}

/* ---------- CTA final ---------- */
.cta-final{background:
  linear-gradient(180deg,var(--ink) 0%,var(--ink-2) 100%);color:var(--text);position:relative;overflow:hidden}
.cta-final::before{content:"";position:absolute;top:-40%;right:-10%;width:480px;height:480px;
  background:radial-gradient(circle,rgba(226,58,54,.22),transparent 65%);pointer-events:none}
.cta-grid{display:grid;gap:34px;position:relative}
.cta-copy h2{font-size:clamp(1.8rem,6vw,2.7rem);color:#fff;margin-bottom:14px}
.cta-copy>p{color:var(--muted);font-size:1.05rem;margin-bottom:26px;max-width:480px}
.contact-list{display:grid;gap:16px;margin-bottom:24px}
.contact-list li{display:flex;gap:14px;align-items:flex-start}
.contact-list .ci{font-size:1.2rem;width:44px;height:44px;flex:none;display:flex;align-items:center;justify-content:center;
  background:var(--ink-3);border:1px solid var(--line);border-radius:12px}
.contact-list .ci img{width:22px;height:22px;object-fit:contain;filter:brightness(0) invert(1)}
.contact-list div{font-size:.96rem;color:var(--muted);line-height:1.5}
.contact-list strong{color:#fff;font-family:'Archivo',sans-serif;font-weight:700}
.contact-list a{color:var(--wa);font-weight:600}
.socials{display:flex;gap:12px}
.soc{width:46px;height:46px;display:flex;align-items:center;justify-content:center;
  background:var(--ink-3);border:1px solid var(--line);border-radius:12px;transition:transform .2s,border-color .2s,background .2s}
.soc svg{width:22px;height:22px;fill:#cfd4d9;transition:fill .2s}
.soc:hover{transform:translateY(-3px);border-color:var(--red);background:rgba(226,58,54,.12)}
.soc:hover svg{fill:#fff}

/* ---------- Footer ---------- */
.site-footer{background:#0c0e10;color:var(--muted);padding-top:48px}
.footer-inner{display:grid;gap:30px;padding-bottom:36px}
.footer-logo{height:38px;margin-bottom:14px}
.footer-brand p{font-size:.92rem;max-width:300px}
.footer-col h4{font-family:'Archivo',sans-serif;color:#fff;font-size:1rem;margin-bottom:14px;font-weight:700}
.footer-col a{display:block;color:var(--muted);font-size:.92rem;padding:5px 0;transition:color .2s}
.footer-col a:hover{color:var(--red)}
.footer-col p{font-size:.92rem;margin-bottom:8px}
.footer-bottom{border-top:1px solid var(--line);padding:18px 0;font-size:.84rem;text-align:center}

/* ---------- Floating WhatsApp ---------- */
.wa-float{
  position:fixed;right:18px;bottom:18px;z-index:80;
  display:flex;align-items:center;gap:0;
  background:linear-gradient(135deg,var(--wa),var(--wa-dark));color:#fff;
  border-radius:50px;padding:0;height:58px;width:58px;overflow:hidden;
  box-shadow:0 12px 30px -8px rgba(37,211,102,.7);
  transition:width .35s var(--ease),box-shadow .3s;
  animation:floatIn .5s var(--ease) .8s both;
}
.wa-float svg,.wa-float img{width:28px;height:28px;fill:#fff;flex:none;margin:0 15px;object-fit:contain}
.wa-float img{filter:brightness(0) invert(1)}/* ícone branco no botão flutuante */
.wa-float-label{font-family:'Archivo',sans-serif;font-weight:700;font-size:.95rem;white-space:nowrap;padding-right:20px;opacity:0;transition:opacity .25s}
@keyframes floatIn{from{transform:translateY(80px) scale(.6);opacity:0}to{transform:none;opacity:1}}
.wa-float::after{content:"";position:absolute;inset:0;border-radius:50px;
  box-shadow:0 0 0 0 rgba(37,211,102,.5);animation:waPulse 2.4s infinite}
@keyframes waPulse{0%{box-shadow:0 0 0 0 rgba(37,211,102,.5)}70%{box-shadow:0 0 0 16px rgba(37,211,102,0)}100%{box-shadow:0 0 0 0 rgba(37,211,102,0)}}

/* ---------- Modal de confirmação ---------- */
.modal{
  position:fixed;inset:0;z-index:120;display:none;
  align-items:center;justify-content:center;padding:24px;
  background:rgba(8,9,11,.72);backdrop-filter:blur(4px);
}
.modal.open{display:flex;animation:modalFade .25s var(--ease)}
@keyframes modalFade{from{opacity:0}to{opacity:1}}
.modal-box{
  position:relative;width:100%;max-width:400px;text-align:center;
  background:linear-gradient(180deg,#fff,#f3f4f5);border-radius:var(--radius);
  padding:36px 28px 30px;box-shadow:var(--shadow);
  animation:modalPop .3s var(--ease);
}
@keyframes modalPop{from{transform:translateY(16px) scale(.96);opacity:0}to{transform:none;opacity:1}}
.modal-ico{width:64px;height:64px;margin:0 auto 16px;
  background:rgba(37,211,102,.12);border-radius:50%;display:flex;align-items:center;justify-content:center}
.modal-ico svg{width:40px;height:40px}
.modal-box h3{font-size:1.45rem;color:var(--ink);margin-bottom:10px}
.modal-box p{font-size:.98rem;color:#5d646b;margin-bottom:22px}
.modal-box .btn{min-width:140px}
.modal-close{
  position:absolute;top:12px;right:14px;width:34px;height:34px;border:none;cursor:pointer;
  background:transparent;color:#9aa3ab;font-size:1.7rem;line-height:1;border-radius:8px;
  transition:background .2s,color .2s;
}
.modal-close:hover{background:rgba(0,0,0,.06);color:var(--ink)}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{animation:none!important}
  html{scroll-behavior:auto}
}

/* ============================================================
   RESPONSIVE — tablet / desktop
   ============================================================ */
@media (min-width:600px){
  .strip-inner{grid-template-columns:repeat(4,1fr)}
  .cards{grid-template-columns:repeat(2,1fr)}
  .feat-grid{grid-template-columns:repeat(2,1fr)}
  .gallery{grid-template-columns:repeat(3,1fr)}
  .footer-inner{grid-template-columns:2fr 1fr 1fr 1.3fr}
  .wa-float:hover{width:188px}
  .wa-float:hover .wa-float-label{opacity:1}
}

@media (min-width:900px){
  .container{padding:0 32px}
  .nav{display:flex}
  .header-cta{display:inline-flex}
  .nav-toggle{display:none}
  .hero{padding:130px 0 80px;min-height:92vh;display:flex;align-items:center}
  .hero-grid{grid-template-columns:1.15fr .85fr;align-items:center;gap:50px}
  .section{padding:88px 0}
  .cards{grid-template-columns:repeat(4,1fr)}
  .card-feature{grid-row:span 1}
  .feat-grid{grid-template-columns:repeat(3,1fr)}
  .split-grid{grid-template-columns:1fr 1fr;gap:54px}
  .cta-grid{grid-template-columns:1.05fr .95fr;align-items:start}
  .cta-form-wrap{position:sticky;top:90px}
}

@media (min-width:1100px){
  .hero h1{font-size:3.7rem}
}