/* =============================================================
   Demerzel Studio — "The Obsidian Monolith" Design System
   Optimized: Critical CSS inlined, non-critical deferred
   ============================================================= */

/* --- Reset -------------------------------------------------- */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}

:root{
  --surface:#131313;
  --surface-lowest:#0e0e0e;
  --surface-low:#1c1b1b;
  --surface-ctr:#201f1f;
  --surface-high:#2a2a2a;
  --surface-highest:#353534;
  --primary:#c3f5ff;
  --primary-ctr:#00e5ff;
  --primary-fixed:#9cf0ff;
  --primary-fixed-dim:#00daf3;
  --on-primary:#00363d;
  --on-primary-ctr:#00626e;
  --secondary:#b9c8de;
  --secondary-ctr:#39485a;
  --on-secondary-ctr:#a7b6cc;
  --error:#ffb4ab;
  --on-surface:#e5e2e1;
  --on-surface-var:#bac9cc;
  --outline-var:#3b494c;
  --r-sm:.25rem;--r-md:.5rem;--r-lg:.75rem;--r-xl:1rem;--r-2xl:1.5rem;--r-full:9999px;
}

html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
body{font-family:'Inter',system-ui,-apple-system,sans-serif;background:var(--surface);color:var(--on-surface);line-height:1.6;overflow-x:hidden}
::selection{background:var(--primary-ctr);color:var(--on-primary-ctr)}
img{display:block;max-width:100%;height:auto}
a{text-decoration:none;color:inherit}
ul,ol{list-style:none}

/* --- Typography --------------------------------------------- */
.fh{font-family:'Manrope',sans-serif}
.fm{font-family:'JetBrains Mono','Fira Code',monospace}

/* --- Layout ------------------------------------------------- */
.ctr{width:100%;max-width:1200px;margin:0 auto;padding:0 1.5rem}
section{padding:6rem 0}

/* --- Glass / Glow ------------------------------------------- */
.glass{background:rgba(19,19,19,.6);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}
.glow{box-shadow:0 0 20px rgba(0,229,255,.12),0 0 60px rgba(0,229,255,.04)}
.ghost{border:1px solid rgba(59,73,76,.15)}

/* =============================================================
   NAVIGATION
   ============================================================= */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(19,19,19,.7);-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);box-shadow:0 20px 50px rgba(0,218,243,.06);transition:transform .3s ease}
.nav--hidden{transform:translateY(-100%)}
.nav__i{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.5rem;max-width:1200px;margin:0 auto}
.nav__logo{display:flex;align-items:center;gap:.75rem}
.nav__logo img{width:28px;height:28px;border-radius:var(--r-sm)}
.nav__logo span{font-family:'Manrope',sans-serif;font-size:1.05rem;font-weight:800;letter-spacing:-.02em}
.nav__links{display:flex;align-items:center;gap:2rem}
.nav__link{font-size:.8125rem;font-weight:500;color:var(--on-surface-var);transition:color .3s}
.nav__link:hover,.nav__link--active{color:var(--primary-ctr)}
.nav__link--active{position:relative}
.nav__link--active::after{content:'';position:absolute;bottom:-4px;left:0;right:0;height:2px;background:var(--primary-ctr);border-radius:1px}
.nav__actions{display:flex;align-items:center;gap:1rem}

/* Language Switcher */
.lang-sw{display:flex;align-items:center;background:var(--surface-ctr);border-radius:var(--r-full);padding:2px}
.lang-sw__btn{background:none;border:none;color:var(--on-surface-var);font-family:'Inter',sans-serif;font-size:.6875rem;font-weight:600;padding:5px 11px;border-radius:var(--r-full);cursor:pointer;transition:all .25s;text-transform:uppercase;letter-spacing:.05em}
.lang-sw__btn--active{background:var(--primary-ctr);color:var(--on-primary-ctr)}
.lang-sw__btn:not(.lang-sw__btn--active):hover{color:var(--on-surface)}

/* Burger */
.nav__burger{display:none;background:none;border:none;color:var(--on-surface);cursor:pointer;padding:.5rem}
.nav__burger svg{width:24px;height:24px}

/* Mobile menu */
.mmenu{display:none;position:fixed;inset:0;background:rgba(14,14,14,.97);-webkit-backdrop-filter:blur(30px);backdrop-filter:blur(30px);z-index:200;flex-direction:column;align-items:center;justify-content:center;gap:2rem;opacity:0;transition:opacity .3s}
.mmenu.active{display:flex;opacity:1}
.mmenu__close{position:absolute;top:1.5rem;right:1.5rem;background:none;border:none;color:var(--on-surface);cursor:pointer;padding:.5rem}
.mmenu__close svg{width:28px;height:28px}
.mmenu__link{font-family:'Manrope',sans-serif;font-size:1.5rem;font-weight:700;color:var(--on-surface-var);transition:color .3s}
.mmenu__link:hover{color:var(--primary-ctr)}
.mmenu__lang{margin-top:1rem}

/* --- Buttons ------------------------------------------------ */
.btn-p{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;background:linear-gradient(135deg,var(--primary),var(--primary-ctr));color:var(--on-primary-ctr);font-family:'Inter',sans-serif;font-size:.6875rem;font-weight:800;text-transform:uppercase;letter-spacing:.15em;padding:14px 32px;border-radius:var(--r-full);border:none;cursor:pointer;transform:scale(.97);transition:all .25s}
.btn-p:hover{transform:scale(1);box-shadow:0 0 30px rgba(0,229,255,.25)}
.btn-p:active{transform:scale(.93)}
.btn-s{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;background:rgba(53,53,52,.4);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);color:var(--on-surface);font-family:'Inter',sans-serif;font-size:.6875rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;padding:14px 32px;border-radius:var(--r-full);border:1px solid rgba(59,73,76,.2);cursor:pointer;transition:all .25s}
.btn-s:hover{background:rgba(53,53,52,.6);border-color:rgba(59,73,76,.4)}
.btn-sm{padding:8px 20px;font-size:.625rem}

/* --- Chip --------------------------------------------------- */
.chip{display:inline-flex;align-items:center;gap:.5rem;background:var(--secondary-ctr);color:var(--on-secondary-ctr);font-size:.6875rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;padding:6px 14px;border-radius:var(--r-md)}

/* =============================================================
   HERO
   ============================================================= */
.hero{padding-top:10rem;padding-bottom:5rem;position:relative;overflow:hidden}
.hero__glow{position:absolute;top:-200px;right:-200px;width:700px;height:700px;background:radial-gradient(circle,rgba(0,229,255,.06) 0%,transparent 60%);pointer-events:none}
.hero__grid{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center}
.hero__content{display:flex;flex-direction:column;gap:1.5rem}
.hero__title{font-family:'Manrope',sans-serif;font-size:clamp(2.8rem,6vw,5rem);font-weight:800;letter-spacing:-.03em;line-height:1.05;color:var(--on-surface)}
.hero__title span{color:var(--primary-ctr)}
.hero__sub{color:var(--on-surface-var);font-size:1.125rem;font-weight:300;line-height:1.7;max-width:480px}
.hero__chips{display:flex;flex-wrap:wrap;gap:.75rem;padding-top:.5rem}
.hero__cta{display:flex;flex-wrap:wrap;gap:1rem;padding-top:1rem}

.hero__card{position:relative;width:100%;max-width:380px;aspect-ratio:3/4;border-radius:var(--r-xl);overflow:hidden;justify-self:end}
.hero__card-img{width:100%;height:100%;object-fit:cover;opacity:.5;transition:opacity .5s}
.hero__card:hover .hero__card-img{opacity:.75}
.hero__card-ov{position:absolute;inset:0;background:linear-gradient(to top,var(--surface) 0%,transparent 50%)}
.hero__card-info{position:absolute;bottom:2rem;left:2rem;right:2rem}
.hero__card-t{color:var(--primary-ctr);font-family:'Manrope',sans-serif;font-size:1.25rem;font-weight:700}
.hero__card-m{color:var(--on-surface-var);font-family:'JetBrains Mono',monospace;font-size:.6875rem;margin-top:.25rem;letter-spacing:.05em}

/* --- Section Headers ---------------------------------------- */
.sh{text-align:center;margin-bottom:4rem}
.sh__eye{color:var(--primary-ctr);font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.12em;margin-bottom:1rem}
.sh__title{color:var(--on-surface);font-family:'Manrope',sans-serif;font-size:clamp(1.5rem,3vw,2rem);font-weight:700;letter-spacing:-.02em;margin-bottom:1rem}
.sh__desc{color:var(--on-surface-var);font-size:.9375rem;max-width:600px;margin:0 auto;line-height:1.7}

/* =============================================================
   EXPERTISE CARDS (B2B / B2C)
   ============================================================= */
.exp-grid{display:grid;grid-template-columns:1fr 1fr;gap:2rem}
.exp-card{background:var(--surface-low);border-radius:var(--r-xl);padding:2.5rem;border:1px solid rgba(59,73,76,.1);transition:all .4s;position:relative;overflow:hidden}
.exp-card::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(0,229,255,.2),transparent);opacity:0;transition:opacity .4s}
.exp-card:hover::before{opacity:1}
.exp-card:hover{box-shadow:0 0 40px rgba(0,229,255,.08)}
.exp-card__hdr{display:flex;align-items:center;gap:.75rem;margin-bottom:2rem}
.exp-card__icon{font-variation-settings:'FILL' 1;color:var(--primary-ctr);font-size:1.5rem}
.exp-card__title{font-family:'Manrope',sans-serif;font-size:1.5rem;font-weight:700}
.exp-card__list{display:flex;flex-direction:column;gap:1.5rem}
.exp-item{display:flex;align-items:flex-start;gap:1rem}
.exp-item__icon{color:var(--primary-ctr);font-size:1.1rem;margin-top:2px;flex-shrink:0}
.exp-item__title{font-weight:600;font-size:.9375rem;margin-bottom:.25rem}
.exp-item__desc{color:var(--on-surface-var);font-size:.8125rem;font-weight:300;line-height:1.6}
.exp-item__link{display:inline-flex;align-items:center;gap:4px;color:var(--primary-ctr);font-size:.75rem;font-weight:600;margin-top:.5rem;transition:gap .2s}
.exp-item__link:hover{gap:8px}
.exp-item__link .material-symbols-outlined{font-size:.875rem}

/* =============================================================
   PRODUCTS
   ============================================================= */
.products{background:var(--surface-lowest);border-top:1px solid rgba(59,73,76,.1);border-bottom:1px solid rgba(59,73,76,.1)}
.prod-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem}
.prod-card{background:var(--surface-ctr);border-radius:var(--r-xl);padding:2rem;border:1px solid rgba(59,73,76,.1);transition:all .3s;display:flex;flex-direction:column;gap:1rem}
.prod-card:hover{border-color:rgba(0,229,255,.2);box-shadow:0 0 30px rgba(0,229,255,.06)}
.prod-card__icon{width:48px;height:48px;background:var(--surface-highest);border-radius:var(--r-lg);display:flex;align-items:center;justify-content:center}
.prod-card__icon .material-symbols-outlined{color:var(--primary-ctr);font-size:1.5rem}
.prod-card__name{font-family:'Manrope',sans-serif;font-weight:700;font-size:1.1rem}
.prod-card__desc{color:var(--on-surface-var);font-size:.8125rem;font-weight:300;line-height:1.6}
.prod-card__tags{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:auto}
.prod-card__tag{font-size:.625rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--on-surface-var);background:var(--surface-highest);padding:4px 10px;border-radius:var(--r-md)}
.prod-card__cta{display:inline-flex;align-items:center;gap:4px;color:var(--primary-ctr);font-size:.75rem;font-weight:600;margin-top:.5rem;transition:gap .2s}
.prod-card__cta:hover{gap:8px}

/* =============================================================
   TERMINAL
   ============================================================= */
.term{background:var(--surface-lowest);border-radius:var(--r-xl);border:1px solid rgba(59,73,76,.15);padding:2rem;font-family:'JetBrains Mono','Fira Code',monospace;font-size:.8125rem;overflow:hidden;position:relative}
.term__hdr{display:flex;align-items:center;gap:.5rem;padding-bottom:1rem;border-bottom:1px solid rgba(59,73,76,.15);margin-bottom:1.5rem}
.term__dot{width:10px;height:10px;border-radius:50%}
.term__dot--r{background:var(--error)}.term__dot--c{background:var(--primary-ctr)}.term__dot--g{background:var(--secondary-ctr)}
.term__ttl{color:var(--on-surface-var);opacity:.5;margin-left:.75rem;font-size:.75rem}
.term__line{display:flex;gap:1rem;margin-bottom:.5rem}
.term__cmd{color:var(--primary-fixed);font-weight:600;flex-shrink:0}
.term__out{color:var(--on-surface)}
.term__line--ready{animation:pulse 2s ease-in-out infinite}
.term__line--ready .term__cmd{color:var(--primary-ctr)}
.term__fade{position:absolute;top:0;right:0;width:120px;height:100%;background:linear-gradient(to left,rgba(0,229,255,.03),transparent);pointer-events:none}

/* =============================================================
   ABOUT / PARTNERS
   ============================================================= */
.about__grid{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:start}
.about__text{display:flex;flex-direction:column;gap:1.5rem}
.about__desc{color:var(--on-surface-var);line-height:1.8;font-size:.9375rem}
.about__vision{display:flex;flex-direction:column;gap:1.5rem;padding-top:.25rem}
.about__stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;margin-top:1rem}
.stat{text-align:center}
.stat__num{font-family:'Manrope',sans-serif;font-size:2rem;font-weight:800;color:var(--primary-ctr);letter-spacing:-.02em}
.stat__lbl{color:var(--on-surface-var);font-size:.6875rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;margin-top:.25rem}

/* =============================================================
   TEAM
   ============================================================= */
.team-grid{display:grid;grid-template-columns:1fr 1fr;gap:2rem;max-width:900px;margin:0 auto}
.team-card{background:var(--surface-low);border-radius:var(--r-xl);padding:2.5rem;border:1px solid rgba(59,73,76,.1);display:flex;flex-direction:column;align-items:center;text-align:center;gap:1.25rem;transition:all .35s;position:relative;overflow:hidden}
.team-card::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(0,229,255,.2),transparent);opacity:0;transition:opacity .4s}
.team-card:hover::before{opacity:1}
.team-card:hover{border-color:rgba(0,229,255,.15);box-shadow:0 0 40px rgba(0,229,255,.06)}
.team-card__photo{width:96px;height:96px;border-radius:50%;object-fit:cover;border:2px solid rgba(0,229,255,.15);transition:border-color .3s}
.team-card:hover .team-card__photo{border-color:rgba(0,229,255,.4)}
.team-card__av{width:72px;height:72px;border-radius:var(--r-xl);background:var(--surface-highest);display:flex;align-items:center;justify-content:center;font-family:'Manrope',sans-serif;font-weight:800;font-size:1.3rem;color:var(--primary-ctr);flex-shrink:0}
.team-card__info{display:flex;flex-direction:column;gap:.35rem}
.team-card__name{font-family:'Manrope',sans-serif;font-weight:700;font-size:1.1rem}
.team-card__role{color:var(--primary-ctr);font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em}
.team-card__bio{color:var(--on-surface-var);font-size:.8125rem;font-weight:300;line-height:1.6;max-width:280px}
.team-card__link{color:var(--primary-ctr);font-size:1rem;transition:opacity .3s;position:absolute;top:1.25rem;right:1.25rem;opacity:.5}
.team-card:hover .team-card__link{opacity:1}

/* =============================================================
   CONTACT
   ============================================================= */
.contact__card{max-width:700px;margin:0 auto;padding:3rem;border-radius:var(--r-2xl);text-align:center;border:1px solid rgba(59,73,76,.15)}
.contact__title{margin-bottom:1rem}
.contact__desc{color:var(--on-surface-var);font-size:.875rem;max-width:450px;margin:0 auto 2rem}
.contact__form{display:flex;flex-direction:column;gap:1rem}
.contact__row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.contact__input{background:var(--surface-lowest);border:1px solid rgba(59,73,76,.25);border-radius:var(--r-lg);padding:14px 18px;color:var(--on-surface);font-family:'Inter',sans-serif;font-size:.875rem;outline:none;transition:all .25s;width:100%}
.contact__input::placeholder{color:rgba(186,201,204,.4)}
.contact__input:focus{border-color:var(--primary-ctr);box-shadow:0 0 0 3px rgba(0,229,255,.08)}
.contact__textarea{resize:vertical;min-height:120px}
.contact__channels{display:flex;justify-content:center;gap:2rem;margin-top:2rem;padding-top:2rem;border-top:1px solid rgba(59,73,76,.1)}
.contact__ch{display:flex;align-items:center;gap:.5rem;color:var(--on-surface-var);font-size:.8125rem;transition:color .3s}
.contact__ch:hover{color:var(--primary-ctr)}
.contact__ch .material-symbols-outlined{font-size:1.1rem;color:var(--primary-ctr)}

/* =============================================================
   FOOTER
   ============================================================= */
.footer{background:var(--surface-lowest);border-top:1px solid rgba(59,73,76,.1);padding:3rem 0}
.footer__i{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:1.5rem}
.footer__brand{display:flex;align-items:center;gap:.75rem}
.footer__brand img{width:24px;height:24px;border-radius:var(--r-sm)}
.footer__brand span{font-family:'Manrope',sans-serif;font-weight:800;font-size:1rem}
.footer__links{display:flex;gap:1.5rem}
.footer__link{color:var(--on-surface-var);font-size:.8125rem;transition:color .3s;opacity:.8}
.footer__link:hover{color:var(--primary-ctr);opacity:1}
.footer__legal{display:flex;flex-direction:column;align-items:flex-end;gap:4px}
.footer__copy{color:var(--on-surface-var);opacity:.5;font-size:.6875rem;letter-spacing:.04em}
.footer__cnpj{color:var(--on-surface-var);opacity:.35;font-size:.625rem;font-family:'JetBrains Mono',monospace;letter-spacing:.02em}

/* =============================================================
   ANIMATIONS
   ============================================================= */
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.5}}
.reveal{opacity:0;transform:translateY(30px);transition:opacity .6s ease,transform .6s ease}
.reveal.visible{opacity:1;transform:translateY(0)}

/* i18n helper */
[data-i18n-hide]{display:none!important}

/* =============================================================
   RESPONSIVE
   ============================================================= */
@media(max-width:768px){
  .nav__links{display:none}
  .nav__actions .btn-p,.nav__actions .lang-sw{display:none}
  .nav__burger{display:block}
  .hero__grid{grid-template-columns:1fr;text-align:center}
  .hero__sub{margin:0 auto}
  .hero__chips{justify-content:center}
  .hero__cta{justify-content:center}
  .hero__card{justify-self:center;max-width:320px}
  .exp-grid{grid-template-columns:1fr}
  .prod-grid{grid-template-columns:1fr}
  .about__grid{grid-template-columns:1fr;gap:2.5rem}
  .about__text{text-align:center}
  .about__vision{text-align:center}
  .team-grid{grid-template-columns:1fr}
  .contact__row{grid-template-columns:1fr}
  .contact__channels{flex-direction:column;align-items:center;gap:1rem}
  .footer__i{flex-direction:column;text-align:center}
  .footer__legal{align-items:center}
  section{padding:4rem 0}
  .hero{padding-top:7rem}
}
@media(max-width:480px){
  .hero__card{max-width:280px}
  .contact__card{padding:2rem}
  .exp-card{padding:1.5rem}
  .about__stats{gap:1rem}
}