/* ==========================================================================
   AXEL Drone — Soluções Aéreas Inteligentes
   style.css — mobile first, vanilla CSS (sem frameworks)
   ========================================================================== */

:root{
  --bg:#08080a;
  --surface:#111114;
  --surface-2:#17171b;
  --text:#f3f3f5;
  --muted:#9b9ba3;
  --border:#232328;

  --red:#e21c30;
  --red-dark:#8f0f1f;
  --red-light:#ff4c5e;
  --silver:#c9cbd1;
  --silver-dark:#7a7c84;
  --success:#25d366;

  --radius:16px;
  --radius-sm:10px;
  --transition:280ms cubic-bezier(.4,0,.2,1);

  --gradient-red:linear-gradient(135deg,var(--red-light),var(--red-dark));
  --gradient-silver:linear-gradient(135deg,#ffffff,#9a9ca3);
  --shadow-glow:0 0 45px rgba(226,28,48,.28);
  --shadow-card:0 24px 55px -25px rgba(0,0,0,.9);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{
  font-family:'Rajdhani','Inter',system-ui,sans-serif;
  font-weight:700;
  line-height:1.15;
  letter-spacing:.01em;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
picture{display:contents}
ul{list-style:none}
button{font:inherit}
.container{width:100%;max-width:1160px;margin:0 auto;padding:0 22px}

.silver-text{
  background:var(--gradient-silver);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.red-text{color:var(--red-light)}

.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:.72rem;font-weight:700;letter-spacing:.24em;text-transform:uppercase;
  color:var(--red-light);
}
.eyebrow::before{
  content:"";width:26px;height:2px;background:var(--gradient-red);display:inline-block;
}

.section{border-top:1px solid var(--border);padding:76px 0;position:relative}
.section--tint{
  background:radial-gradient(ellipse 70% 50% at 50% 0%,rgba(226,28,48,.08),transparent 70%);
}
.section__head{max-width:100%;margin-bottom:46px}
.section__head h2{font-size:clamp(1.7rem,4.4vw,2.7rem);margin-top:16px}
.section__head p{color:var(--muted);margin-top:16px}
.section__head.center{margin-left:auto;margin-right:auto;text-align:center}

.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.reveal.is-visible{opacity:1;transform:none}

/* ===== HEADER ===== */
.header{
  position:fixed;inset:0 0 auto 0;z-index:60;
  transition:background var(--transition),border-color var(--transition),padding var(--transition);
  padding:18px 0;
}
.header.is-scrolled{
  background:rgba(8,8,10,.86);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);padding:12px 0;
}
.header__inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
.header__logo{display:flex;align-items:center;gap:12px}
.header__logo img{height:34px;width:auto;transition:height var(--transition)}
.header__logo small{
  font-family:'Rajdhani','Inter',system-ui,sans-serif;font-weight:700;font-size:.95rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--silver);border-left:1px solid var(--border);padding-left:12px;line-height:1;
}
.header.is-scrolled .header__logo img{height:30px}

.nav{display:flex;align-items:center;gap:30px}
.nav a{font-size:.9rem;font-weight:600;color:var(--muted);transition:color var(--transition);white-space:nowrap;text-transform:uppercase;letter-spacing:.04em}
.nav a:hover{color:var(--text)}
.nav a.btn--whats,.nav a.btn--whats:hover{color:#04220f}
.nav__toggle{
  display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px;
}
.nav__toggle span{width:24px;height:2px;background:var(--text);transition:var(--transition)}
.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)}
.nav-overlay{display:none}

/* ===== BUTTONS ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  border-radius:999px;padding:14px 28px;font-size:.9rem;font-weight:700;cursor:pointer;
  border:1px solid transparent;transition:all var(--transition);white-space:nowrap;
}
.btn--primary{background:var(--gradient-red);color:#fff;box-shadow:0 10px 30px -12px rgba(226,28,48,.55)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-glow)}
.btn--outline{border-color:var(--red);color:var(--red-light);background:rgba(226,28,48,.06)}
.btn--outline:hover{border-color:var(--red-light);background:rgba(226,28,48,.14);color:#fff}
.btn--whats{background:var(--success);color:#04220f}
.btn--whats:hover{transform:translateY(-2px);box-shadow:0 10px 30px -10px rgba(37,211,102,.55)}
.btn--sm{padding:10px 20px;font-size:.82rem}
.btn--block{width:100%}
.btn svg{width:18px;height:18px;flex:none}

/* ===== HERO ===== */
.hero{position:relative;overflow:hidden;padding:132px 0 70px}
.hero__video-bg{
  position:absolute;inset:0;overflow:hidden;pointer-events:none;background:var(--bg);
}
.hero__video-bg iframe{
  position:absolute;top:50%;left:50%;width:100vw;height:56.25vw;
  min-height:100%;min-width:177.78vh;transform:translate(-50%,-50%);
}
.hero__video-overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,8,10,.82),rgba(8,8,10,.72) 45%,rgba(8,8,10,.92));
}
.hero__glow{
  position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(ellipse 75% 55% at 15% -10%,rgba(226,28,48,.20),transparent 65%),
    radial-gradient(ellipse 60% 50% at 100% 10%,rgba(160,160,175,.10),transparent 70%);
}
.hero__grid{
  position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(to right,rgba(255,255,255,.05) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(ellipse 70% 60% at 30% 30%,#000,transparent 78%);
  mask-image:radial-gradient(ellipse 70% 60% at 30% 30%,#000,transparent 78%);
}
.hero__inner{
  position:relative;display:grid;gap:52px;align-items:center;
}
.hero__content{animation:fadeUp .8s ease both}
.badge{
  display:inline-flex;gap:8px;align-items:center;border:1px solid rgba(226,28,48,.35);
  background:rgba(226,28,48,.1);color:var(--red-light);border-radius:999px;
  padding:8px 16px;font-size:.7rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
}
.hero h1{font-size:clamp(2.1rem,7vw,3.6rem);margin-top:22px}
.hero__lead{color:var(--muted);margin-top:20px;max-width:100%;font-size:1.02rem}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero__badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.hero__badge{
  --c:var(--red-light);
  display:inline-flex;align-items:center;gap:9px;border-radius:999px;padding:12px 22px;
  font-size:.86rem;font-weight:700;color:#fff;white-space:nowrap;
  background:color-mix(in srgb,var(--c) 16%,transparent);border:1px solid color-mix(in srgb,var(--c) 60%,transparent);
  transition:all var(--transition);
}
.hero__badge svg{width:18px;height:18px;color:var(--c);flex:none;transition:color var(--transition)}
.hero__badge:hover{background:var(--c);border-color:var(--c);color:#0b0b0d;transform:translateY(-2px);box-shadow:0 10px 30px -12px var(--c)}
.hero__badge:hover svg{color:#0b0b0d}
.hero__badge--red{--c:#ff4c5e}
.hero__badge--blue{--c:#3fa9ff}
.hero__badge--amber{--c:#ffb020}
.hero__badge--green{--c:#3ddc84}
.hero__visual{position:relative;display:flex;justify-content:center;animation:fadeIn 1s ease .1s both}
.hero__visual img{width:100%;max-width:288px;height:auto;filter:drop-shadow(0 30px 60px rgba(226,28,48,.25))}
.hero__visual::after{
  content:"";position:absolute;inset:10% 15%;z-index:-1;
  background:radial-gradient(closest-side,rgba(226,28,48,.25),transparent 70%);
  filter:blur(10px);
}

/* ===== STAT / TRUST STRIP ===== */
.trust{border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:26px 0;background:var(--surface)}
.trust__inner{display:flex;flex-wrap:wrap;gap:16px 34px;justify-content:center;align-items:center}
.trust__item{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:.82rem;font-weight:600}
.trust__item svg{width:18px;height:18px;color:var(--red-light);flex:none}

/* ===== CARDS / GRIDS ===== */
.grid{display:grid;gap:22px}
.grid--3{grid-template-columns:1fr}
.grid--2{grid-template-columns:1fr}

.card{
  background:linear-gradient(165deg,var(--surface-2),var(--surface));
  border:1px solid var(--border);border-radius:var(--radius);padding:28px;
  box-shadow:var(--shadow-card);transition:all var(--transition);position:relative;overflow:hidden;
}
.card::before{
  content:"";position:absolute;inset:0;opacity:0;transition:opacity var(--transition);
  background:radial-gradient(ellipse 120% 60% at 0% 0%,rgba(226,28,48,.14),transparent 70%);
}
.card:hover{transform:translateY(-6px);border-color:rgba(226,28,48,.4)}
.card:hover::before{opacity:1}
.card__icon{
  display:inline-flex;align-items:center;justify-content:center;
  width:52px;height:52px;border-radius:14px;margin-bottom:18px;
  border:1px solid rgba(226,28,48,.3);background:rgba(226,28,48,.1);
  position:relative;z-index:1;
}
.card__icon svg{width:26px;height:26px;color:var(--red-light)}
.card h3{font-size:1.2rem;position:relative;z-index:1}
.card p{color:var(--muted);font-size:.92rem;margin-top:10px;position:relative;z-index:1}
.card ul{margin-top:18px;display:grid;gap:9px;position:relative;z-index:1}
.card li{color:var(--muted);font-size:.87rem;padding-left:18px;position:relative}
.card li::before{
  content:"";position:absolute;left:0;top:.55em;width:6px;height:6px;border-radius:50%;
  background:var(--gradient-red);
}
.card--tag{
  display:inline-block;margin-top:16px;font-size:.7rem;font-weight:700;letter-spacing:.12em;
  text-transform:uppercase;color:var(--silver);border:1px solid var(--border);
  border-radius:999px;padding:5px 12px;position:relative;z-index:1;
}
.card__img{
  display:block;width:100%;height:auto;aspect-ratio:16/10;object-fit:cover;margin-top:18px;
  border-radius:calc(var(--radius) - 6px);border:1px solid var(--border);position:relative;z-index:1;
}
.card__link{display:block;position:relative;z-index:1}
.card__cta{margin-top:18px;position:relative;z-index:1}

/* ===== DIFERENCIAIS ===== */
.diferenciais{display:grid;gap:44px}
.diferenciais__list{display:grid;gap:22px}
.dif-item{display:flex;gap:16px}
.dif-item__icon{
  flex:none;width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(226,28,48,.3);background:rgba(226,28,48,.1);
}
.dif-item__icon svg{width:22px;height:22px;color:var(--red-light)}
.dif-item h3{font-size:1rem}
.dif-item p{color:var(--muted);font-size:.88rem;margin-top:5px}
.diferenciais__media{position:relative}
.diferenciais__media img{width:100%;height:auto;display:block}

/* ===== CONTATO ===== */
.contato{display:grid;gap:32px}
.contact-card{display:grid;gap:26px;align-content:center}
.contact-line{display:flex;align-items:center;gap:18px}
.contact-line__icon{
  flex:none;width:54px;height:54px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  border:1px solid var(--border);background:var(--surface-2);
}
.contact-line__icon svg{width:24px;height:24px;color:var(--red-light)}
.contact-line strong{display:block;font-size:1.05rem;margin-bottom:2px}
.contact-line span,.contact-line a{color:var(--muted);font-size:1rem}
.contact-line a:hover{color:var(--red-light)}
.contact-card__cta{justify-self:start;margin-top:4px}
.map-frame{border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);display:flex;min-height:340px}
.map-frame iframe{flex:1;width:100%;min-height:340px;border:0;display:block;filter:grayscale(.4) invert(.92) contrast(.9)}

/* ===== FAQ ===== */
.faq{display:grid;gap:12px}
.faq-item{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface-2);overflow:hidden}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 20px;display:flex;align-items:center;justify-content:space-between;
  font-weight:600;font-size:.94rem;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:1.4rem;color:var(--red-light);flex:none;transition:transform var(--transition);line-height:1;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{padding:0 20px 20px;color:var(--muted);font-size:.88rem}
.faq-item p:has(+ ol){padding-bottom:10px}
.faq-item ol{padding:0 20px 20px 40px;display:grid;gap:8px;list-style:decimal}
.faq-item ol li{color:var(--muted);font-size:.88rem}
.faq-item ol li::marker{color:var(--red-light);font-weight:700}
.faq-item ol strong{color:var(--text)}

/* ===== CTA FINAL ===== */
.cta-final{
  border-radius:24px;padding:52px 32px;text-align:center;position:relative;overflow:hidden;
  background:linear-gradient(165deg,var(--surface-2),var(--surface));border:1px solid var(--border);
}
.cta-final::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(ellipse 70% 80% at 50% 120%,rgba(226,28,48,.28),transparent 70%);
}
.cta-final__inner{position:relative}
.cta-final h2{font-size:clamp(1.5rem,4vw,2.2rem)}
.cta-final p{color:var(--muted);margin-top:14px;max-width:480px;margin-left:auto;margin-right:auto}
.cta-final .hero__actions{justify-content:center;margin-top:30px}

/* ===== FOOTER ===== */
.footer{border-top:1px solid var(--border);padding:54px 0 26px;background:var(--surface)}
.footer__grid{display:grid;gap:36px}
.footer__logo{height:34px;width:auto;margin-bottom:14px}
.footer p{color:var(--muted);font-size:.87rem}
.footer__brand p{max-width:300px;margin-top:12px}
.footer h3{font-family:inherit;font-size:.82rem;text-transform:uppercase;letter-spacing:.14em;color:var(--silver);margin-bottom:16px}
.footer__links{display:grid;gap:10px}
.footer__links a{color:var(--muted);font-size:.88rem;transition:color var(--transition)}
.footer__links a:hover{color:var(--red-light)}
.footer__social{display:flex;gap:10px;margin-top:16px}
.footer__social a{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;transition:all var(--transition);
}
.footer__social a:hover{border-color:rgba(226,28,48,.5);background:rgba(226,28,48,.1)}
.footer__social svg{width:17px;height:17px}
.footer__bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid var(--border);
  display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;
}
.footer__bottom p{font-size:.76rem}

/* ===== WHATSAPP FLOAT ===== */
.whats-float{
  position:fixed;right:20px;bottom:20px;z-index:70;
  width:58px;height:58px;border-radius:50%;background:var(--success);
  display:flex;align-items:center;justify-content:center;box-shadow:0 12px 30px -8px rgba(37,211,102,.6);
  transition:transform var(--transition);
}
.whats-float:hover{transform:scale(1.08)}
.whats-float svg{width:28px;height:28px;color:#04220f}

/* ===== BACK TO TOP ===== */
.to-top{
  position:fixed;right:20px;bottom:90px;z-index:70;width:42px;height:42px;border-radius:50%;
  background:var(--surface-2);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;
  opacity:0;pointer-events:none;transform:translateY(10px);transition:all var(--transition);
}
.to-top.is-visible{opacity:1;pointer-events:auto;transform:none}
.to-top svg{width:18px;height:18px;color:var(--text)}

@keyframes fadeUp{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:none}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}

/* ===== RESPONSIVE ===== */
@media (min-width:560px){
  .grid--2{grid-template-columns:1fr 1fr}
}
@media (min-width:760px){
  .grid--3{grid-template-columns:repeat(3,1fr)}
}
@media (min-width:900px){
  .hero__inner{grid-template-columns:1.45fr .55fr}
  .diferenciais{grid-template-columns:1fr 1fr;align-items:center}
  .contato{grid-template-columns:.85fr 1.15fr;gap:48px}
  .map-frame,.map-frame iframe{min-height:460px}
  .footer__grid{grid-template-columns:1.4fr 1fr 1fr 1fr}
}
@media (min-width:1024px){
  .section{padding:100px 0}
  .hero{padding:150px 0 90px}
}
@media (max-width:1240px){
  .nav{gap:20px}
  .nav a{font-size:.82rem}
}
@media (max-width:1080px){
  .nav{
    position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);
    background:rgba(10,10,12,.98);backdrop-filter:blur(16px);
    border-left:1px solid var(--border);
    flex-direction:column;align-items:stretch;gap:0;padding:100px 26px 30px;
    transform:translateX(100%);transition:transform var(--transition);
  }
  .nav.is-open{transform:translateX(0)}
  .nav a{padding:15px 0;border-bottom:1px solid rgba(255,255,255,.06)}
  .nav .btn{margin-top:18px;justify-content:center}
  .nav__toggle{display:flex}
  .header__logo small{font-size:.85rem;letter-spacing:.16em;padding-left:10px}
  .nav-overlay{
    display:block;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:55;
    opacity:0;pointer-events:none;transition:opacity var(--transition);
  }
  body.nav-open .nav-overlay{opacity:1;pointer-events:auto}
  body.nav-open{overflow:hidden}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  *{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
}