/* ZDk AI — landing v3 (clean redesign) */
*{margin:0;padding:0;box-sizing:border-box}

:root{
  --bg:#ffffff;
  --bg-soft:#fafafa;
  --bg-muted:#f5f5f7;
  --t1:#0a0a0a;
  --t2:#3f3f46;
  --t3:#71717a;
  --t4:#a1a1aa;
  --border:#e5e7eb;
  --border-strong:#d4d4d8;
  --accent:#4d6bfe;
  --accent-hover:#3a58f0;
  --black:#0a0a0a;
  --black-hover:#1f1f23;
  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --radius:10px;
  --radius-lg:14px;
  --max:1120px;
}

html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--bg);
  color:var(--t1);
  font-family:var(--font);
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
button{cursor:pointer;font-family:inherit;border:none;background:none;color:inherit}
img{display:block;max-width:100%}
.hidden{display:none!important}

::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:8px}
::-webkit-scrollbar-thumb:hover{background:var(--t4)}

/* ── BUTTONS ───────────────────────────────────────────────── */
.btn-primary,.btn-outline,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:500;font-size:15px;
  padding:10px 20px;border-radius:8px;
  transition:all .15s ease;white-space:nowrap;
  border:1px solid transparent;
}
.btn-primary{background:var(--black);color:#fff}
.btn-primary:hover{background:var(--black-hover)}
.btn-outline{background:#fff;color:var(--t1);border-color:var(--border-strong)}
.btn-outline:hover{border-color:var(--black);background:var(--bg-muted)}
.btn-ghost{background:transparent;color:var(--t2)}
.btn-ghost:hover{color:var(--t1);background:var(--bg-muted)}
.btn-xl{padding:14px 28px;font-size:16px;border-radius:10px;font-weight:500}
.btn-block{width:100%}

/* ── LAUNCH BANNER ─────────────────────────────────────────── */
.launch-banner{
  background:var(--black);color:#fff;
  font-size:13px;
}
.launch-banner-inner{
  max-width:var(--max);margin:0 auto;padding:10px 24px;
  display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;
  position:relative;
}
.launch-banner-tag{
  background:rgba(255,255,255,.12);
  padding:2px 10px;border-radius:99px;
  font-size:11px;font-weight:600;letter-spacing:.02em;
  text-transform:uppercase;
}
.launch-banner-text{color:rgba(255,255,255,.85)}
.launch-banner-text strong{color:#fff;font-weight:600}
.launch-banner-link{
  color:#fff;font-weight:500;
  border-bottom:1px solid rgba(255,255,255,.3);
  padding-bottom:1px;
}
.launch-banner-link:hover{border-color:#fff}
.launch-banner-close{
  position:absolute;right:16px;top:50%;transform:translateY(-50%);
  color:rgba(255,255,255,.7);font-size:18px;
  width:28px;height:28px;display:flex;align-items:center;justify-content:center;
  border-radius:6px;
}
.launch-banner-close:hover{color:#fff;background:rgba(255,255,255,.08)}

/* ── NAV ───────────────────────────────────────────────────── */
#main-nav{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.85);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease;
}
#main-nav.scrolled{border-bottom-color:var(--border)}
.nav-inner{
  max-width:var(--max);margin:0 auto;padding:14px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.nav-logo{
  display:flex;align-items:center;gap:8px;
  font-size:16px;font-weight:600;color:var(--t1);
}
.nav-links{
  display:flex;align-items:center;gap:32px;
}
.nav-links a{
  font-size:14px;color:var(--t2);font-weight:500;
  transition:color .15s ease;
}
.nav-links a:hover{color:var(--t1)}
.nav-cta{display:flex;align-items:center;gap:8px}
.nav-cta .btn-primary,.nav-cta .btn-ghost{padding:8px 16px;font-size:14px}

.hamburger{
  display:none;
  flex-direction:column;gap:4px;
  padding:8px;border-radius:6px;
}
.hamburger span{
  display:block;width:20px;height:2px;background:var(--t1);border-radius:2px;
}

#mobile-menu{border-top:1px solid var(--border);background:var(--bg)}
.mobile-menu-inner{
  max-width:var(--max);margin:0 auto;padding:16px 24px;
  display:flex;flex-direction:column;gap:2px;
}
.mobile-menu-inner a{
  padding:12px 0;font-size:15px;color:var(--t1);
  border-bottom:1px solid var(--border);
}
.mobile-menu-cta{
  display:flex;gap:8px;margin-top:16px;
}
.mobile-menu-cta button{flex:1}

/* ── HERO ──────────────────────────────────────────────────── */
.hero{
  padding:140px 24px 120px;
  background:var(--bg);
}
.hero-inner{
  max-width:var(--max);margin:0 auto;text-align:center;
}
.hero-eyebrow{
  font-size:14px;font-weight:500;color:var(--t3);
  margin-bottom:32px;
  letter-spacing:-.005em;
}
.hero-title{
  font-size:clamp(40px,7vw,72px);
  line-height:1.05;
  letter-spacing:-.035em;
  font-weight:600;
  color:var(--t1);
  margin-bottom:28px;
}
.hero-sub{
  font-size:clamp(16px,1.8vw,20px);
  line-height:1.55;
  color:var(--t2);
  max-width:640px;margin:0 auto 44px;
  font-weight:400;
}
.hero-cta{
  display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;
}

/* ── CAPABILITIES STRIP ────────────────────────────────────── */
.capabilities{
  padding:32px 24px 80px;
  border-bottom:1px solid var(--border);
}
.capabilities-inner{
  max-width:var(--max);margin:0 auto;
  display:flex;align-items:center;justify-content:center;flex-wrap:wrap;
  gap:0;
  font-size:15px;color:var(--t3);font-weight:400;
}
.capabilities-inner span{
  padding:0 18px;position:relative;
}
.capabilities-inner span:not(:last-child)::after{
  content:'';position:absolute;right:-1px;top:50%;transform:translateY(-50%);
  width:3px;height:3px;border-radius:50%;background:var(--t4);
}

/* ── SECTIONS ──────────────────────────────────────────────── */
section.modules,
section.why,
section.pricing,
section.cta-final{
  padding:100px 24px;
}
.section-inner{
  max-width:var(--max);margin:0 auto;
}
.eyebrow{
  font-size:13px;font-weight:600;color:var(--accent);
  letter-spacing:.04em;text-transform:uppercase;
  margin-bottom:16px;text-align:center;
}
.section-title{
  font-size:clamp(32px,5vw,52px);
  line-height:1.1;letter-spacing:-.03em;
  font-weight:600;color:var(--t1);
  text-align:center;
  margin-bottom:20px;
}
.section-sub{
  font-size:18px;color:var(--t2);
  text-align:center;
  max-width:580px;margin:0 auto 56px;
  line-height:1.55;
}

/* ── MODULES GRID ──────────────────────────────────────────── */
.modules-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1px;
  background:var(--border);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  overflow:hidden;
}
.module-card{
  background:var(--bg);
  padding:36px 32px;
  transition:background .15s ease;
}
.module-card:hover{background:var(--bg-soft)}
.module-card h3{
  font-size:19px;font-weight:600;letter-spacing:-.015em;
  color:var(--t1);margin-bottom:10px;
}
.module-card p{
  font-size:15px;line-height:1.55;color:var(--t3);
}

/* ── WHY (POR QUE BRASILEIRA) ──────────────────────────────── */
.why{background:var(--bg-soft)}
.why .section-title{margin-bottom:64px}
.why-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:48px;
}
.why-col{text-align:center}
.why-col h3{
  font-size:20px;font-weight:600;letter-spacing:-.015em;
  color:var(--t1);margin-bottom:12px;
}
.why-col p{
  font-size:15px;line-height:1.6;color:var(--t3);
  max-width:280px;margin:0 auto;
}

/* ── PRICING ───────────────────────────────────────────────── */
.pricing .section-title{margin-bottom:56px}
.plans{
  display:grid;grid-template-columns:repeat(3,1fr);gap:16px;
  max-width:960px;margin:0 auto;
}
.plan{
  background:var(--bg);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:32px 28px;
  display:flex;flex-direction:column;
  position:relative;
}
.plan-featured{
  border-color:var(--black);
  border-width:1.5px;
}
.plan-tag{
  position:absolute;top:-10px;left:50%;transform:translateX(-50%);
  background:var(--black);color:#fff;
  font-size:11px;font-weight:600;
  letter-spacing:.04em;text-transform:uppercase;
  padding:4px 12px;border-radius:99px;
}
.plan h3{
  font-size:18px;font-weight:600;color:var(--t1);
  margin-bottom:12px;
}
.plan-price{
  font-size:38px;font-weight:600;color:var(--t1);
  letter-spacing:-.025em;line-height:1;
  margin-bottom:12px;
}
.plan-price span{
  font-size:16px;color:var(--t3);font-weight:400;
}
.plan-desc{
  font-size:14px;color:var(--t3);line-height:1.5;
  margin-bottom:24px;flex:1;
}
.plans-link{
  text-align:center;margin-top:32px;
}
.plans-link a{
  font-size:15px;color:var(--t2);font-weight:500;
  border-bottom:1px solid var(--border-strong);
  padding-bottom:2px;
}
.plans-link a:hover{color:var(--t1);border-color:var(--t1)}

/* ── CTA FINAL ─────────────────────────────────────────────── */
.cta-final{
  padding:120px 24px;
  text-align:center;
  background:var(--bg);
  border-top:1px solid var(--border);
}
.cta-final .section-title{margin-bottom:32px}
.cta-final .btn-primary{margin-bottom:16px}
.cta-note{
  font-size:14px;color:var(--t3);
}

/* ── FOOTER ────────────────────────────────────────────────── */
footer{
  background:var(--bg-soft);
  border-top:1px solid var(--border);
  padding:64px 24px 32px;
}
.footer-inner{max-width:var(--max);margin:0 auto}
.footer-cols{
  display:grid;
  grid-template-columns:1.5fr repeat(5,1fr);
  gap:32px;
  margin-bottom:48px;
}
.footer-brand p{
  font-size:14px;line-height:1.6;color:var(--t3);
  margin-top:14px;max-width:280px;
}
.footer-logo{
  display:flex;align-items:center;gap:8px;
  font-size:15px;font-weight:600;color:var(--t1);
}
.footer-col h4{
  font-size:13px;font-weight:600;color:var(--t1);
  margin-bottom:14px;letter-spacing:-.005em;
}
.footer-col a{
  display:block;
  font-size:14px;color:var(--t3);
  padding:5px 0;
  transition:color .15s ease;
}
.footer-col a:hover{color:var(--t1)}
.footer-bottom{
  padding-top:32px;border-top:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;
  font-size:13px;color:var(--t3);
}
.footer-bottom p{margin:0}
.footer-status{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--t3);
}
.footer-status-dot{
  width:7px;height:7px;border-radius:50%;
  background:#10b981;
  box-shadow:0 0 0 3px rgba(16,185,129,.15);
}

/* ── MODAL AUTH ────────────────────────────────────────────── */
.modal-overlay{
  position:fixed;inset:0;z-index:1000;
  background:rgba(10,10,10,.5);
  backdrop-filter:blur(4px);
  display:flex;align-items:center;justify-content:center;padding:20px;
}
.modal-box{
  background:#fff;border-radius:var(--radius-lg);
  max-width:420px;width:100%;
  padding:32px;position:relative;
  max-height:90vh;overflow-y:auto;
  box-shadow:0 24px 64px rgba(0,0,0,.18);
}
.modal-close{
  position:absolute;top:16px;right:16px;
  width:32px;height:32px;border-radius:8px;
  color:var(--t3);font-size:14px;
  display:flex;align-items:center;justify-content:center;
}
.modal-close:hover{background:var(--bg-muted);color:var(--t1)}
.modal-logo{
  display:flex;align-items:center;gap:8px;
  font-size:15px;font-weight:600;color:var(--t1);
  margin-bottom:20px;
}
.modal-title{
  font-size:22px;font-weight:600;color:var(--t1);
  letter-spacing:-.01em;margin-bottom:6px;
}
.modal-sub{
  font-size:14px;color:var(--t3);line-height:1.5;
  margin-bottom:20px;
}
.modal-tabs{
  display:flex;gap:4px;
  background:var(--bg-muted);
  padding:4px;border-radius:8px;margin-bottom:20px;
}
.modal-tab{
  flex:1;padding:9px 0;font-size:13.5px;
  border-radius:6px;font-weight:500;color:var(--t3);
  transition:all .15s ease;
}
.modal-tab.active{background:#fff;color:var(--t1);box-shadow:0 1px 2px rgba(0,0,0,.05)}
.modal-err{
  background:rgba(239,68,68,.08);
  border:1px solid rgba(239,68,68,.2);
  color:#dc2626;
  padding:10px 14px;border-radius:8px;
  font-size:13.5px;margin-bottom:16px;
}
.btn-google{
  display:flex;align-items:center;justify-content:center;gap:10px;
  width:100%;padding:10px 16px;
  background:#fff;border:1px solid var(--border-strong);
  border-radius:8px;
  font-size:14px;font-weight:500;color:var(--t1);
  transition:all .15s ease;
}
.btn-google:hover{background:var(--bg-muted)}
.modal-divider{
  display:flex;align-items:center;gap:12px;
  margin:20px 0;
  font-size:12px;color:var(--t3);
}
.modal-divider::before,.modal-divider::after{
  content:'';flex:1;height:1px;background:var(--border);
}
.field{margin-bottom:14px}
.field label{
  display:block;font-size:13px;font-weight:500;
  color:var(--t2);margin-bottom:6px;
}
.field input{
  width:100%;padding:10px 14px;
  background:#fff;border:1px solid var(--border-strong);
  border-radius:8px;
  font-size:14.5px;color:var(--t1);font-family:inherit;
  transition:border-color .15s ease;
}
.field input:focus{outline:none;border-color:var(--accent)}
.modal-submit{
  width:100%;padding:11px;
  background:var(--black);color:#fff;
  border-radius:8px;
  font-size:14.5px;font-weight:500;
  transition:background .15s ease;
  margin-top:8px;
}
.modal-submit:hover{background:var(--black-hover)}
.modal-submit:disabled{opacity:.6;cursor:not-allowed}

/* ── TOAST ─────────────────────────────────────────────────── */
#toast{
  position:fixed;bottom:24px;left:50%;transform:translateX(-50%);
  background:var(--black);color:#fff;
  padding:12px 20px;border-radius:10px;
  font-size:14px;z-index:9000;
  box-shadow:0 8px 24px rgba(0,0,0,.18);
  transition:opacity .25s, transform .25s;
}
#toast.hidden{opacity:0;pointer-events:none;transform:translate(-50%,8px)}

/* ── COOKIE BANNER ─────────────────────────────────────────── */
#cookie-banner{
  position:fixed;bottom:0;left:0;right:0;z-index:9999;
  background:#fff;border-top:1px solid var(--border);
  padding:16px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  box-shadow:0 -8px 32px rgba(0,0,0,.06);
  transition:transform .3s ease,opacity .3s ease;
}
#cookie-banner.ck-hide{transform:translateY(110%);opacity:0;pointer-events:none}
.ck-text{flex:1;min-width:240px;font-size:13.5px;color:var(--t2);line-height:1.5}
.ck-text a{color:var(--accent);text-decoration:underline}
.ck-text strong{color:var(--t1)}
.ck-btns{display:flex;gap:8px;flex-shrink:0;flex-wrap:wrap}
.ck-btn{
  padding:9px 16px;border-radius:8px;
  font-size:13px;font-weight:500;cursor:pointer;border:none;
  transition:all .15s ease;font-family:inherit;
}
.ck-accept{background:var(--black);color:#fff}
.ck-accept:hover{background:var(--black-hover)}
.ck-reject{background:#fff;color:var(--t2);border:1px solid var(--border-strong)}
.ck-reject:hover{color:var(--t1);background:var(--bg-muted)}

/* ── RESPONSIVE ────────────────────────────────────────────── */
@media (max-width:900px){
  .nav-links,.nav-cta{display:none}
  .hamburger{display:flex}

  .hero{padding:80px 20px 64px}
  .hero-title{font-size:42px}
  .hero-sub{font-size:17px;margin-bottom:32px}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .btn-xl,.hero-cta a{width:100%}

  .capabilities{padding:24px 20px 56px}
  .capabilities-inner{font-size:13.5px;gap:4px 0}
  .capabilities-inner span{padding:4px 12px}

  section.modules,section.why,section.pricing,section.cta-final{padding:64px 20px}
  .modules-grid{grid-template-columns:1fr}
  .module-card{padding:28px 24px}

  .why-grid{grid-template-columns:1fr;gap:32px}

  .plans{grid-template-columns:1fr}

  .cta-final{padding:80px 20px}

  footer{padding:48px 20px 24px}
  .footer-cols{grid-template-columns:1fr 1fr;gap:32px 24px}
  .footer-brand{grid-column:1/-1}

  .launch-banner-inner{padding:10px 40px 10px 16px;font-size:12.5px}
  .launch-banner-link{display:none}

  .modal-box{padding:24px}
  .section-title{font-size:32px}
}

@media (max-width:560px){
  .hero{padding:56px 20px 48px}
  .hero-eyebrow{margin-bottom:20px;font-size:13px}
  .hero-title{font-size:36px;margin-bottom:20px}
  .hero-sub{font-size:16px}

  .footer-cols{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start;text-align:left}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.01ms!important;
    animation-iteration-count:1!important;
    transition-duration:.01ms!important;
    scroll-behavior:auto!important;
  }
}