/* ==========================================================================
   Roma Geradores — stylesheet
   ========================================================================== */

/* ---------- Design tokens ---------- */
:root{
  --yellow:#fdb913;
  --yellow-dark:#e5a30a;
  --yellow-soft:rgba(253,185,19,.12);
  --black:#0d0d0d;
  --black-2:#141414;
  --black-3:#1c1c1c;
  --line-dark:rgba(255,255,255,.12);
  --white:#fff;
  --grey-50:#f7f7f7;
  --grey-100:#f0f0f0;
  --grey-200:#e4e4e4;
  --grey-400:#9a9a9a;
  --grey-600:#5f5f5f;
  --grey-800:#2b2b2b;
  --wpp:#25d366;

  --font-display:"Anton",Impact,"Arial Narrow Bold",sans-serif;
  --font-body:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;

  --container:1180px;
  --radius:6px;
  --radius-lg:10px;
  --header-h:82px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:var(--header-h)}
body{
  margin:0;
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  color:var(--grey-800);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,p{margin:0}
button,input,select,textarea{font:inherit;color:inherit}
svg{display:block}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
}

/* ---------- Utilities ---------- */
.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:24px}

.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:-9999px;top:0;z-index:200;
  background:var(--yellow);color:var(--black);padding:12px 20px;font-weight:700;
}
.skip-link:focus{left:12px;top:12px}

:focus-visible{outline:2px solid var(--yellow);outline-offset:3px}

.eyebrow{
  display:block;
  font-size:13px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;
  color:var(--yellow);margin-bottom:14px;
}
.h2{
  font-size:clamp(28px,3.4vw,40px);
  line-height:1.15;font-weight:700;letter-spacing:-.02em;color:var(--black);
}
.h2-light{color:var(--white)}
.lead{font-size:16px;line-height:1.7;color:var(--grey-600);max-width:52ch}
.lead-light{color:rgba(255,255,255,.66)}
.lead + .lead{margin-top:16px}

.section-head{max-width:640px;margin-bottom:52px}
.section-head .lead{margin-top:16px}
.section-head--light .h2{color:var(--white)}

/* ---------- Buttons ---------- */
.btn{
  --btn-bg:var(--yellow);
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:14px 26px;border:0;border-radius:var(--radius);
  font-size:13px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;
  cursor:pointer;transition:background .2s var(--ease),transform .15s var(--ease),box-shadow .2s var(--ease);
  white-space:nowrap;
}
.btn-lg{padding:17px 32px;font-size:13.5px}
.btn-block{width:100%}
.btn-primary{background:var(--btn-bg);color:var(--black)}
.btn-primary:hover{background:var(--yellow-dark);transform:translateY(-2px);box-shadow:0 10px 24px rgba(253,185,19,.28)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--white);box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.35)}
.btn-ghost:hover{background:rgba(255,255,255,.08);box-shadow:inset 0 0 0 1.5px var(--yellow);color:var(--yellow)}
.btn svg{width:18px;height:18px;fill:currentColor;flex:none}
.btn .ico-send{fill:none}

/* ==========================================================================
   Header
   ========================================================================== */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:100;
  height:var(--header-h);display:flex;align-items:center;
  background:var(--black);
  transition:height .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease);
}
.site-header.is-scrolled{height:68px;box-shadow:0 6px 26px rgba(0,0,0,.4);background:rgba(13,13,13,.96);backdrop-filter:blur(8px)}
.header-inner{display:flex;align-items:center;gap:28px}

.logo{display:flex;align-items:center;gap:10px;flex:none}
.logo-mark{width:26px;height:33px;flex:none}
.logo-text{display:flex;flex-direction:column;line-height:1}
.logo-text strong{
  font-family:var(--font-display);font-size:29px;font-weight:400;
  letter-spacing:.02em;color:var(--white);
}
.logo-text em{
  font-style:normal;font-size:10.5px;font-weight:600;letter-spacing:.3em;
  color:var(--white);margin-top:3px;
}

.main-nav{margin-left:auto;display:flex;align-items:center}
.nav-list{display:flex;align-items:center;gap:4px}
.nav-link{
  display:inline-flex;align-items:center;gap:6px;
  padding:10px 14px;background:none;border:0;cursor:pointer;
  font-size:12.5px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;
  color:rgba(255,255,255,.82);transition:color .2s var(--ease);
}
.nav-link:hover,.nav-link.is-active{color:var(--yellow)}
.caret{width:11px;height:8px;transition:transform .25s var(--ease)}
.has-dropdown{position:relative}
.has-dropdown.is-open .caret{transform:rotate(180deg)}

.dropdown{
  position:absolute;top:calc(100% + 10px);left:0;min-width:268px;
  background:var(--black-2);border:1px solid var(--line-dark);border-radius:var(--radius);
  padding:8px;box-shadow:0 20px 40px rgba(0,0,0,.45);
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s;
}
.has-dropdown.is-open .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{
  display:block;padding:11px 14px;border-radius:4px;
  font-size:14px;color:rgba(255,255,255,.78);transition:background .18s,color .18s;
}
.dropdown a:hover{background:var(--yellow-soft);color:var(--yellow)}

.header-cta{margin-left:14px;flex:none}
.nav-cta-mobile{display:none}

.nav-toggle{
  display:none;width:44px;height:44px;margin-left:auto;
  background:none;border:0;cursor:pointer;padding:10px;
}
.nav-toggle span{
  display:block;height:2px;background:var(--white);border-radius:2px;
  transition:transform .25s var(--ease),opacity .2s var(--ease);
}
.nav-toggle span + span{margin-top:5px}
.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)}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero{
  position:relative;
  padding:calc(var(--header-h) + 74px) 0 90px;
  background:var(--black);
  overflow:hidden;
  isolation:isolate;
}
.hero-media{
  position:absolute;inset:0;z-index:-1;
  background:var(--black);
  overflow:hidden;
}
/* foto do gerador, dissolvida na borda esquerda */
.hero-media::before{
  content:"";position:absolute;top:var(--header-h);right:0;bottom:0;width:57%;
  background:url("../img/hero-gen.jpg") no-repeat right bottom;
  background-size:contain;
  -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 34%);
  mask-image:linear-gradient(90deg,transparent 0,#000 34%);
}
/* veu escuro para o texto respirar */
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(90deg,var(--black) 0%,rgba(13,13,13,.92) 32%,rgba(13,13,13,.45) 48%,rgba(13,13,13,0) 66%),
    linear-gradient(180deg,rgba(13,13,13,.4) 0%,rgba(13,13,13,0) 24%,rgba(13,13,13,.6) 100%);
}
.hero-inner{position:relative}
.hero-content{max-width:700px}

.hero-title{
  font-family:var(--font-display);
  font-size:clamp(42px,5.6vw,68px);
  font-weight:400;line-height:1.02;letter-spacing:.005em;
  text-transform:uppercase;color:var(--white);
}
.hero-title .accent{color:var(--yellow)}
.hero-sub{
  margin-top:22px;font-size:clamp(16px,1.5vw,19px);line-height:1.55;
  color:rgba(255,255,255,.9);
}

.hero-features{display:flex;flex-wrap:wrap;gap:16px 24px;margin-top:38px}
.hero-features li{display:flex;gap:11px;flex:0 1 210px}
.hero-features .ico{
  width:26px;height:26px;flex:none;margin-top:2px;
  fill:none;stroke:var(--yellow);stroke-width:1.5;
  stroke-linecap:round;stroke-linejoin:round;
}
.hero-features h3{font-size:14.5px;font-weight:700;color:var(--white);margin-bottom:4px}
.hero-features p{font-size:12.5px;line-height:1.45;color:rgba(255,255,255,.62)}

.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:42px}
.ico-wpp{width:19px;height:19px;fill:currentColor}

/* ==========================================================================
   Strip de diferenciais
   ========================================================================== */
.strip{background:var(--grey-50);border-bottom:1px solid var(--grey-200);padding:30px 0}
.strip-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;
}
.strip-item{display:flex;align-items:center;gap:14px;justify-content:center}
.strip-item .ico{
  width:30px;height:30px;flex:none;
  fill:none;stroke:var(--yellow);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;
}
.strip-item p{font-size:14px;font-weight:600;line-height:1.35;color:var(--grey-800)}

/* ==========================================================================
   Linha completa
   ========================================================================== */
.line-up{padding:88px 0;background:var(--grey-50)}
.line-up-grid{
  display:grid;grid-template-columns:1fr 1.15fr;gap:56px;align-items:center;
}
.line-up-text .lead{margin-top:20px}
.check-list{margin:28px 0 32px;display:grid;gap:13px}
.check-list li{position:relative;padding-left:32px;font-size:15px;color:var(--grey-800)}
.check-list li::before{
  content:"";position:absolute;left:0;top:2px;width:20px;height:20px;
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Ccircle cx='12' cy='12' r='10' fill='none' stroke='%23fdb913' stroke-width='1.7'/%3E%3Cpath d='m7.6 12.4 3 3 5.9-6.4' fill='none' stroke='%23fdb913' stroke-width='1.9' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat center/contain;
}
.line-up-media img{width:100%;border-radius:var(--radius-lg)}

/* ==========================================================================
   Modelos
   ========================================================================== */
.models{padding:96px 0;background:var(--white)}
.model-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.model-card{
  padding:34px 30px 30px;border:1px solid var(--grey-200);border-radius:var(--radius-lg);
  background:var(--white);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.model-card:hover{
  transform:translateY(-6px);
  border-color:transparent;
  box-shadow:0 18px 46px rgba(13,13,13,.13);
}
.model-icon{
  width:54px;height:54px;border-radius:var(--radius);
  display:grid;place-items:center;background:var(--yellow-soft);margin-bottom:22px;
}
.model-icon svg{
  width:28px;height:28px;fill:none;stroke:var(--yellow);
  stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;
}
.model-card h3{font-size:19px;font-weight:700;color:var(--black);margin-bottom:10px}
.model-card p{font-size:14.5px;line-height:1.65;color:var(--grey-600)}
.model-tag{
  display:inline-block;margin-top:18px;padding:6px 12px;border-radius:100px;
  background:var(--grey-100);color:var(--grey-600);
  font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
}

/* ==========================================================================
   Aplicações
   ========================================================================== */
.apps{padding:96px 0;background:var(--black);color:var(--white)}
.app-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.app-card{
  padding:32px 28px;border-radius:var(--radius-lg);
  background:var(--black-2);border:1px solid var(--line-dark);
  transition:border-color .28s var(--ease),background .28s var(--ease),transform .28s var(--ease);
}
.app-card:hover{border-color:var(--yellow);background:var(--black-3);transform:translateY(-4px)}
.app-card svg{
  width:32px;height:32px;margin-bottom:20px;
  fill:none;stroke:var(--yellow);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;
}
.app-card h3{font-size:17.5px;font-weight:700;margin-bottom:8px}
.app-card p{font-size:14.5px;line-height:1.6;color:rgba(255,255,255,.6)}

/* ==========================================================================
   Manutenção
   ========================================================================== */
.maintenance{padding:96px 0;background:var(--grey-50)}
.maintenance-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:56px;align-items:start}
.maintenance-text .lead{margin-top:20px}

.steps{margin:36px 0 34px;display:grid;gap:26px}
.steps li{display:flex;gap:20px}
.step-num{
  font-family:var(--font-display);font-size:26px;line-height:1;color:var(--yellow);
  flex:none;padding-top:2px;
}
.steps h3{font-size:16.5px;font-weight:700;color:var(--black);margin-bottom:6px}
.steps p{font-size:14.5px;line-height:1.6;color:var(--grey-600)}

.maintenance-card{
  padding:34px 30px;border-radius:var(--radius-lg);
  background:var(--black);color:var(--white);
  box-shadow:0 20px 50px rgba(13,13,13,.2);
}
.maintenance-card h3{font-size:20px;font-weight:700;margin-bottom:10px}
.maintenance-card > p{font-size:14.5px;line-height:1.6;color:rgba(255,255,255,.62);margin-bottom:22px}
.mini-list{margin-top:24px;display:grid;gap:11px}
.mini-list li{
  position:relative;padding-left:22px;font-size:13.5px;color:rgba(255,255,255,.72);
}
.mini-list li::before{
  content:"";position:absolute;left:0;top:8px;width:7px;height:7px;
  border-radius:50%;background:var(--yellow);
}

/* ==========================================================================
   Sobre
   ========================================================================== */
.about{padding:96px 0;background:var(--white)}
.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.about-text .lead{margin-top:20px}
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.stat{
  padding:30px 26px;border-radius:var(--radius-lg);
  background:var(--grey-50);border:1px solid var(--grey-200);
}
.stat strong{
  display:block;font-family:var(--font-display);font-size:40px;font-weight:400;
  line-height:1;color:var(--black);margin-bottom:8px;
}
.stat span{font-size:13px;color:var(--grey-600);line-height:1.4;display:block}

/* ==========================================================================
   Orçamento
   ========================================================================== */
.quote{padding:88px 0;background:var(--black)}
.quote-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:60px;align-items:start}
.quote-text{padding-top:8px}
.quote-text .lead{margin-top:20px}

.quote-features{display:flex;flex-wrap:wrap;gap:20px 40px;margin-top:44px}
.quote-features li{max-width:150px}
.quote-features .ico{
  width:30px;height:30px;margin-bottom:14px;
  fill:none;stroke:var(--yellow);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;
}
.quote-features p{font-size:14px;font-weight:600;line-height:1.4;color:var(--white)}

/* Formulário */
.quote-form{display:grid;gap:14px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{position:relative;display:grid}

.quote-form input,
.quote-form select,
.quote-form textarea{
  width:100%;padding:17px 18px;
  background:var(--black-2);color:var(--white);
  border:1px solid var(--line-dark);border-radius:var(--radius);
  font-size:14.5px;transition:border-color .2s var(--ease),background .2s var(--ease);
  appearance:none;
}
.quote-form textarea{resize:vertical;min-height:112px;line-height:1.55}
.quote-form ::placeholder{color:rgba(255,255,255,.42)}
.quote-form input:hover,.quote-form select:hover,.quote-form textarea:hover{border-color:rgba(255,255,255,.24)}
.quote-form input:focus,.quote-form select:focus,.quote-form textarea:focus{
  outline:none;border-color:var(--yellow);background:var(--black-3);
}
.quote-form select{
  color:rgba(255,255,255,.42);cursor:pointer;padding-right:46px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5 6 6.5l5-5' fill='none' stroke='%23ffffff' stroke-opacity='.55' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 18px center;background-size:12px 8px;
}
.quote-form select.has-value{color:var(--white)}
.quote-form select option{background:var(--black-2);color:var(--white)}

.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:#e5484d}
.field-error{
  font-size:12px;color:#ff8085;min-height:0;margin-top:0;
  opacity:0;transition:opacity .2s var(--ease);
}
.field.has-error .field-error{opacity:1;margin-top:6px}

.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

#submitBtn{margin-top:6px;position:relative}
#submitBtn[disabled]{opacity:.65;cursor:not-allowed;transform:none;box-shadow:none}

.form-note{
  display:flex;align-items:center;justify-content:center;gap:8px;
  font-size:12.5px;color:rgba(255,255,255,.45);margin-top:4px;
}
.form-note svg{width:15px;height:15px;flex:none}

.form-status{
  margin-top:4px;padding:14px 16px;border-radius:var(--radius);
  font-size:14px;display:none;
}
.form-status.is-visible{display:block}
.form-status.is-success{background:rgba(37,211,102,.12);color:#7ee2a8;border:1px solid rgba(37,211,102,.3)}
.form-status.is-error{background:rgba(229,72,77,.1);color:#ff8085;border:1px solid rgba(229,72,77,.3)}

/* ==========================================================================
   Clientes
   ========================================================================== */
.clients{background:var(--grey-50);border-top:1px solid var(--grey-200);padding:26px 0}
.clients-inner{display:flex;align-items:center;gap:34px}
.clients-label{
  flex:none;font-size:12.5px;font-weight:800;line-height:1.35;
  letter-spacing:.1em;text-transform:uppercase;color:var(--yellow);
}
.clients-logos{
  flex:1;display:flex;align-items:center;justify-content:space-between;
  gap:26px;flex-wrap:wrap;
}
.clients-logos img{
  height:30px;width:auto;object-fit:contain;
  opacity:.88;transition:opacity .2s var(--ease),filter .2s var(--ease);
}
.clients-logos img:hover{opacity:1}
/* alturas visuais equilibradas: cada marca tem proporcao propria */
.clients-logos img[alt="WEG"]{height:26px}
.clients-logos img[alt="Havan"]{height:32px}
.clients-logos img[alt="Hospital Santa Julia"]{height:33px}

/* ==========================================================================
   Rodapé
   ========================================================================== */
.site-footer{background:var(--black);color:rgba(255,255,255,.62);padding:66px 0 0}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.35fr;gap:44px;
  padding-bottom:52px;
}
.footer-brand p{font-size:14px;line-height:1.7;margin-top:20px;max-width:34ch}
.social{display:flex;gap:10px;margin-top:22px}
.social a{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--line-dark);color:rgba(255,255,255,.7);
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.social a:hover{background:var(--yellow);border-color:var(--yellow);color:var(--black)}
.social svg{width:18px;height:18px}

.footer-col h3{
  font-size:12.5px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;
  color:var(--white);margin-bottom:20px;
}
.footer-col ul{display:grid;gap:12px}
.footer-col a{font-size:14px;transition:color .18s var(--ease)}
.footer-col a:hover{color:var(--yellow)}
.footer-contact li{display:flex;gap:11px;font-size:14px;line-height:1.5}
.footer-contact svg{width:17px;height:17px;flex:none;margin-top:3px;color:var(--yellow)}

.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-block:22px;border-top:1px solid var(--line-dark);
  font-size:13px;color:rgba(255,255,255,.42);
}

/* ==========================================================================
   WhatsApp flutuante
   ========================================================================== */
.wpp-float{
  position:fixed;right:22px;bottom:22px;z-index:90;
  width:56px;height:56px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--wpp);color:#fff;
  box-shadow:0 10px 26px rgba(37,211,102,.4);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.wpp-float svg{width:30px;height:30px}
.wpp-float:hover{transform:scale(1.07);box-shadow:0 14px 32px rgba(37,211,102,.5)}

/* ==========================================================================
   Reveal on scroll
   ========================================================================== */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}

/* ==========================================================================
   Responsivo
   ========================================================================== */
@media (max-width:1080px){
  .nav-list{gap:0}
  .nav-link{padding:10px 10px;font-size:12px}
  .header-cta{padding:12px 18px;font-size:12px}
}

@media (max-width:960px){
  /* sem espaco lateral para a foto: ela vira fundo da secao inteira */
  .hero-media::before{
    top:0;left:0;right:0;bottom:0;width:auto;
    background-position:36% center;
    background-size:cover;
    -webkit-mask-image:none;
    mask-image:none;
  }
  .hero-media::after{
    background:linear-gradient(180deg,rgba(13,13,13,.88) 0%,rgba(13,13,13,.74) 42%,rgba(13,13,13,.94) 100%);
  }
  .strip-grid{grid-template-columns:repeat(2,1fr);gap:24px}
  .strip-item{justify-content:flex-start}
  .line-up-grid,.maintenance-grid,.about-grid,.quote-grid{grid-template-columns:1fr;gap:44px}
  .line-up-media{order:-1}
  .model-grid,.app-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .clients-inner{flex-direction:column;align-items:flex-start;gap:20px}
  .clients-logos{width:100%;justify-content:flex-start;gap:22px 34px}
}

@media (max-width:820px){
  :root{--header-h:66px}

  .header-cta{display:none}
  .nav-toggle{display:block}

  .main-nav{
    position:fixed;inset:var(--header-h) 0 auto 0;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--black);border-top:1px solid var(--line-dark);
    padding:12px 24px 26px;margin:0;
    max-height:calc(100vh - var(--header-h));overflow-y:auto;
    transform:translateY(-12px);opacity:0;visibility:hidden;
    transition:opacity .25s var(--ease),transform .25s var(--ease),visibility .25s;
    box-shadow:0 20px 40px rgba(0,0,0,.5);
  }
  .main-nav.is-open{opacity:1;visibility:visible;transform:none}
  .nav-list{flex-direction:column;align-items:stretch}
  .nav-link{
    width:100%;justify-content:space-between;
    padding:15px 4px;font-size:14px;
    border-bottom:1px solid rgba(255,255,255,.07);
  }
  .dropdown{
    position:static;opacity:1;visibility:visible;transform:none;
    display:none;background:transparent;border:0;box-shadow:none;padding:4px 0 8px;
  }
  .has-dropdown.is-open .dropdown{display:block}
  .dropdown a{padding:11px 16px;font-size:13.5px}
  .nav-cta-mobile{display:inline-flex;margin-top:18px}

  .hero{padding:calc(var(--header-h) + 52px) 0 64px}
  .hero-title br{display:none}
  .hero-sub br{display:none}
  .hero-features{gap:20px 26px}
  .hero-features li{max-width:none;width:calc(50% - 13px)}
  .hero-actions .btn{flex:1 1 240px}

  .line-up,.models,.apps,.maintenance,.about,.quote{padding:64px 0}
  .h2 br{display:none}
  .section-head{margin-bottom:36px}
}

@media (max-width:600px){
  .container{padding-inline:18px}
  .model-grid,.app-grid,.stats{grid-template-columns:1fr}
  .field-row{grid-template-columns:1fr}
  .strip-grid{grid-template-columns:1fr;gap:16px}
  .footer-grid{grid-template-columns:1fr;gap:34px}
  .hero-features li{width:100%;max-width:280px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%;flex:none}
  .clients-logos{justify-content:space-between;gap:18px 24px}
  .clients-logos img{height:28px}
  .footer-bottom{flex-direction:column;gap:6px}
  .wpp-float{right:16px;bottom:16px;width:52px;height:52px}
  .wpp-float svg{width:27px;height:27px}
}