/* =========================================================
   Kairos Tecnologia — Landing Page
   ========================================================= */

:root{
  --bg:#0B1120;
  --bg-2:#0E1629;
  --surface:#111B30;
  --surface-2:#16213A;
  --line:rgba(148,163,184,.14);
  --line-strong:rgba(148,163,184,.26);
  --text:#E6EDF7;
  --muted:#93A4BE;
  --emerald:#10B981;
  --emerald-dark:#059669;
  --emerald-glow:rgba(16,185,129,.28);
  --blue:#3B82F6;
  --blue-light:#60A5FA;
  --blue-dark:#2563EB;
  --blue-glow:rgba(59,130,246,.28);
  --amber:#F59E0B;
  --amber-glow:rgba(245,158,11,.24);
  --radius:16px;
  --radius-lg:24px;
  --max:1180px;
  --font:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;
  --display:'Sora','Inter',system-ui,sans-serif;
  --ease:cubic-bezier(.22,.7,.3,1);
}

*{box-sizing:border-box;margin:0;padding:0}

html{scroll-behavior:smooth;scroll-padding-top:80px}

body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}

.container{width:100%;max-width:var(--max);margin-inline:auto;padding-inline:22px}
.container--narrow{max-width:820px}

.noise{
  position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.035;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- TIPOGRAFIA ---------- */
h1,h2,h3,h4{font-family:var(--display);line-height:1.12;letter-spacing:-.025em;font-weight:700}

.eyebrow{
  display:inline-block;font-size:.74rem;font-weight:700;letter-spacing:.16em;
  text-transform:uppercase;color:var(--emerald);margin-bottom:14px;
}
.eyebrow--light{color:var(--emerald)}

.lead{font-size:1.05rem;color:var(--muted);margin-top:16px}

.grad{
  background:linear-gradient(100deg,var(--blue-light) 0%,var(--emerald) 52%,var(--amber) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}

/* ---------- BOTÕES ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;justify-content:center;
  font-family:var(--font);font-weight:600;font-size:.95rem;
  padding:13px 24px;border-radius:999px;border:1px solid transparent;
  cursor:pointer;transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s,border-color .22s;
  white-space:nowrap;
}
.btn--sm{padding:9px 18px;font-size:.87rem}
.btn--lg{padding:16px 30px;font-size:1rem}
.btn:active{transform:translateY(1px)}

.btn--primary{
  background:linear-gradient(135deg,var(--emerald) 0%,var(--emerald-dark) 100%);
  color:#04120C;box-shadow:0 10px 28px -10px var(--emerald-glow),inset 0 1px 0 rgba(255,255,255,.22);
}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 16px 36px -10px var(--emerald-glow),inset 0 1px 0 rgba(255,255,255,.3)}

.btn--ghost{background:rgba(255,255,255,.03);border-color:var(--line-strong);color:var(--text)}
.btn--ghost:hover{background:rgba(255,255,255,.07);border-color:rgba(148,163,184,.42);transform:translateY(-2px)}

.btn--outline-light{background:transparent;border-color:rgba(255,255,255,.24);color:#fff}
.btn--outline-light:hover{background:rgba(255,255,255,.1);transform:translateY(-2px)}

/* ---------- NAV ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  transition:background .3s,border-color .3s,backdrop-filter .3s;
  border-bottom:1px solid transparent;
}
.nav.is-stuck{
  background:rgba(11,17,32,.82);backdrop-filter:blur(16px);
  border-bottom-color:var(--line);
}
.nav__inner{display:flex;align-items:center;justify-content:space-between;height:72px}

.logo{display:flex;align-items:center;gap:11px}
.logo__mark{
  display:grid;place-items:center;width:40px;height:40px;border-radius:12px;
  background:linear-gradient(140deg,rgba(59,130,246,.20),rgba(37,99,235,.16));
  border:1px solid rgba(59,130,246,.30);flex-shrink:0;
  box-shadow:0 6px 18px -8px var(--blue-glow);
}
.logo__text{font-family:var(--display);font-weight:800;font-size:1.06rem;letter-spacing:-.02em;line-height:1.05}
.logo__text span{display:block;font-size:.63rem;font-weight:600;letter-spacing:.24em;color:var(--muted);text-transform:uppercase}

.nav__links{display:flex;align-items:center;gap:30px}
.nav__links a{font-size:.92rem;font-weight:500;color:var(--muted);transition:color .2s}
.nav__links a:hover{color:var(--text)}
.nav__links .btn{color:var(--text)}

.nav__toggle{
  display:none;width:42px;height:42px;border-radius:12px;cursor:pointer;
  background:rgba(255,255,255,.04);border:1px solid var(--line-strong);
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav__toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform .3s var(--ease),opacity .2s}
.nav__toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav__toggle.is-open span:nth-child(2){opacity:0}
.nav__toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- HERO ---------- */
.hero{position:relative;padding:150px 0 90px;overflow:hidden}
.hero__glow{
  position:absolute;top:-280px;left:50%;transform:translateX(-50%);
  width:1000px;height:700px;pointer-events:none;
  background:
    radial-gradient(circle at 26% 38%,rgba(59,130,246,.24),transparent 55%),
    radial-gradient(circle at 34% 46%,rgba(16,185,129,.16),transparent 55%),
    radial-gradient(circle at 72% 45%,rgba(245,158,11,.13),transparent 55%);
  filter:blur(50px);
}
.hero__inner{position:relative;z-index:2;display:grid;grid-template-columns:1.08fr .92fr;gap:60px;align-items:center}

.badge{
  display:inline-flex;align-items:center;gap:9px;
  padding:7px 16px 7px 12px;border-radius:999px;
  background:rgba(16,185,129,.09);border:1px solid rgba(16,185,129,.26);
  font-size:.81rem;font-weight:600;color:#8CE0C0;
}
.badge .dot{width:7px;height:7px;border-radius:50%;background:var(--emerald);box-shadow:0 0 0 4px var(--emerald-glow);animation:pulse 2.2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}

.hero__title{font-size:clamp(2.3rem,5.4vw,4.05rem);font-weight:800;margin:22px 0 0}
.hero__sub{font-size:1.09rem;color:var(--muted);margin-top:20px;max-width:560px}
.hero__sub strong{color:var(--text);font-weight:600}

.hero__cta{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}

.hero__proof{display:flex;gap:40px;margin-top:46px;padding-top:30px;border-top:1px solid var(--line);flex-wrap:wrap}
.proof strong{display:block;font-family:var(--display);font-size:1.6rem;color:var(--text);letter-spacing:-.02em}
.proof span{font-size:.82rem;color:var(--muted)}

/* mockup do celular */
.hero__visual{position:relative;display:grid;place-items:center}
.phone{
  position:relative;width:270px;padding:11px;border-radius:42px;
  background:linear-gradient(160deg,#243049,#0F1729);
  border:1px solid var(--line-strong);
  box-shadow:0 40px 90px -30px rgba(0,0,0,.9),0 0 70px -20px var(--emerald-glow);
  animation:floaty 6s ease-in-out infinite;
}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-13px)}}
.phone__notch{position:absolute;top:20px;left:50%;transform:translateX(-50%);width:82px;height:19px;background:#080D18;border-radius:999px;z-index:3}
.phone__screen{background:linear-gradient(170deg,#0D1526,#0A1120);border-radius:32px;padding:46px 16px 20px;display:grid;gap:10px}

.phone__bar{display:flex;justify-content:space-between;margin-bottom:4px}
.phone__bar span{height:7px;width:34px;border-radius:4px;background:rgba(148,163,184,.22)}
.phone__bar span:last-child{width:22px;background:rgba(245,158,11,.4)}

.sk{height:11px;border-radius:6px;background:rgba(148,163,184,.15)}
.sk--title{height:17px;width:72%;background:rgba(148,163,184,.28)}
.sk--title.sk--sm{width:58%;height:10px}
.sk--row{width:100%}
.sk--60{width:60%}
.sk--40{width:40%}

.card-mini{
  display:flex;align-items:center;gap:10px;padding:11px 12px;border-radius:14px;
  background:rgba(22,33,58,.75);border:1px solid var(--line);
}
.card-mini__ico{width:29px;height:29px;border-radius:9px;background:linear-gradient(140deg,var(--emerald),var(--emerald-dark));flex-shrink:0}
.card-mini__ico--amber{background:linear-gradient(140deg,var(--amber),#D97706)}

.float{
  position:absolute;display:flex;align-items:center;gap:9px;
  padding:11px 16px;border-radius:14px;font-size:.83rem;font-weight:600;
  background:rgba(17,27,48,.94);border:1px solid var(--line-strong);
  box-shadow:0 18px 40px -14px rgba(0,0,0,.85);backdrop-filter:blur(8px);
  animation:floaty 5s ease-in-out infinite;
}
.float--1{top:14%;left:-38px;animation-delay:.8s}
.float--2{bottom:16%;right:-30px;animation-delay:1.9s}
.float__ico{
  display:grid;place-items:center;width:25px;height:25px;border-radius:8px;
  background:var(--emerald-glow);color:var(--emerald);font-size:.82rem;
}
.float__ico--amber{background:var(--amber-glow);color:var(--amber)}

/* ---------- STRIP (problemas) ---------- */
.strip{padding:70px 0 20px;position:relative;z-index:2}
.strip__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.strip__card{
  padding:26px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--line);
  border-left:3px solid rgba(245,158,11,.55);
}
.strip__card h3{font-size:1.06rem;margin-bottom:9px}
.strip__card p{font-size:.92rem;color:var(--muted)}

/* ---------- SEÇÕES ---------- */
.section{padding:96px 0;position:relative;z-index:2}
.section--alt{background:linear-gradient(180deg,transparent,rgba(255,255,255,.022),transparent)}

.sec-head{text-align:center;max-width:680px;margin:0 auto 56px}
.sec-head h2{font-size:clamp(1.85rem,3.5vw,2.7rem)}
.sec-head__sub{margin-top:16px;font-size:1.03rem;color:var(--muted)}

/* ---------- CARDS ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{
  padding:30px 26px;border-radius:var(--radius-lg);
  background:var(--surface);border:1px solid var(--line);
  transition:transform .3s var(--ease),border-color .3s,box-shadow .3s;
  position:relative;overflow:hidden;
}
.card::after{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:radial-gradient(420px circle at var(--mx,50%) var(--my,0%),rgba(16,185,129,.09),transparent 42%);
  opacity:0;transition:opacity .35s;
}
.card:hover{transform:translateY(-5px);border-color:rgba(16,185,129,.34);box-shadow:0 24px 50px -24px rgba(0,0,0,.8)}
.card:hover::after{opacity:1}

.card__ico{
  display:grid;place-items:center;width:50px;height:50px;border-radius:15px;margin-bottom:20px;
  background:rgba(16,185,129,.11);border:1px solid rgba(16,185,129,.24);color:var(--emerald);
}
.card__ico--amber{background:rgba(245,158,11,.1);border-color:rgba(245,158,11,.24);color:var(--amber)}
.card h3{font-size:1.19rem;margin-bottom:10px}
.card p{font-size:.94rem;color:var(--muted)}

.ticks{margin-top:18px;padding-top:16px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:7px}
.ticks li{
  font-size:.76rem;font-weight:600;color:var(--muted);
  padding:5px 11px;border-radius:999px;background:rgba(148,163,184,.09);border:1px solid var(--line);
}

/* ---------- PASSOS ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative}
.steps::before{
  content:"";position:absolute;top:29px;left:11%;right:11%;height:1px;
  background:linear-gradient(90deg,transparent,rgba(16,185,129,.4),rgba(245,158,11,.35),transparent);
}
.step{position:relative;padding-top:0}
.step__num{
  display:grid;place-items:center;width:58px;height:58px;border-radius:50%;
  font-family:var(--display);font-weight:800;font-size:1.06rem;
  background:var(--bg-2);border:1px solid var(--line-strong);color:var(--emerald);
  margin-bottom:20px;position:relative;z-index:2;transition:transform .3s var(--ease),border-color .3s;
}
.step:hover .step__num{transform:scale(1.07);border-color:rgba(16,185,129,.5)}
.step h3{font-size:1.06rem;margin-bottom:9px}
.step p{font-size:.92rem;color:var(--muted)}

/* ---------- DIFERENCIAIS ---------- */
.diff{display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center}
.diff__txt h2{font-size:clamp(1.85rem,3.4vw,2.6rem)}
.checks{margin-top:30px;display:grid;gap:15px}
.checks li{
  position:relative;padding-left:36px;font-size:.96rem;color:var(--muted);
}
.checks li strong{display:block;color:var(--text);font-weight:600;margin-bottom:2px}
.checks li::before{
  content:"✓";position:absolute;left:0;top:1px;
  display:grid;place-items:center;width:23px;height:23px;border-radius:7px;
  background:var(--emerald-glow);color:var(--emerald);font-size:.75rem;font-weight:800;
}

.diff__stat{display:grid;gap:16px}
.stat{
  padding:30px;border-radius:var(--radius-lg);text-align:center;
  background:linear-gradient(150deg,var(--surface),rgba(17,27,48,.5));
  border:1px solid var(--line);
}
.stat__num{
  display:block;font-family:var(--display);font-size:2.6rem;font-weight:800;letter-spacing:-.03em;
  background:linear-gradient(120deg,var(--emerald),var(--amber));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat__lbl{display:block;font-size:.86rem;color:var(--muted);margin-top:5px}

/* ---------- SEGMENTOS ---------- */
.segs{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.seg{
  padding:28px 24px;border-radius:var(--radius-lg);
  background:var(--surface);border:1px solid var(--line);
  transition:transform .3s var(--ease),border-color .3s,background .3s;
}
.seg:hover{transform:translateY(-4px);border-color:var(--line-strong);background:var(--surface-2)}
.seg__ico{display:block;font-size:1.9rem;margin-bottom:14px}
.seg h3{font-size:1.1rem;margin-bottom:8px}
.seg p{font-size:.92rem;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px}
.faq__item{
  border:1px solid var(--line);border-radius:var(--radius);
  background:var(--surface);overflow:hidden;transition:border-color .25s,background .25s;
}
.faq__item[open]{border-color:rgba(16,185,129,.3);background:var(--surface-2)}
.faq__item summary{
  padding:20px 22px;cursor:pointer;font-weight:600;font-size:1rem;
  display:flex;align-items:center;justify-content:space-between;gap:16px;list-style:none;
}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item summary::after{
  content:"+";font-size:1.35rem;font-weight:400;color:var(--emerald);
  transition:transform .25s var(--ease);line-height:1;flex-shrink:0;
}
.faq__item[open] summary::after{transform:rotate(45deg)}
.faq__item p{padding:0 22px 22px;color:var(--muted);font-size:.94rem}

/* ---------- CTA ---------- */
.cta{padding:40px 0 100px;position:relative;z-index:2}
.cta__box{
  text-align:center;padding:66px 34px;border-radius:34px;
  background:
    radial-gradient(circle at 50% 0%,rgba(16,185,129,.16),transparent 62%),
    linear-gradient(160deg,#111C32,#0B1120);
  border:1px solid rgba(16,185,129,.22);
  box-shadow:0 40px 90px -40px rgba(0,0,0,.9);
}
.cta__box h2{font-size:clamp(1.75rem,3.5vw,2.65rem)}
.cta__box p{margin-top:16px;font-size:1.02rem;color:var(--muted)}
.cta__btns{display:flex;gap:14px;justify-content:center;margin-top:32px;flex-wrap:wrap}
.cta__note{margin-top:22px;font-size:.83rem;color:var(--muted);opacity:.8}

/* ---------- FOOTER ---------- */
.footer{border-top:1px solid var(--line);padding:60px 0 26px;position:relative;z-index:2;background:var(--bg-2)}
.footer__inner{display:grid;grid-template-columns:1.4fr 1fr;gap:44px}
.footer__brand p{margin-top:16px;font-size:.92rem;color:var(--muted);max-width:380px}
.footer__nav{display:grid;grid-template-columns:1fr 1fr;gap:30px}
.footer__nav h4{font-size:.78rem;letter-spacing:.15em;text-transform:uppercase;color:var(--muted);margin-bottom:14px;font-family:var(--font);font-weight:700}
.footer__nav a{display:block;font-size:.92rem;color:var(--muted);padding:5px 0;transition:color .2s}
.footer__nav a:hover{color:var(--emerald)}
.footer__bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:46px;padding-top:22px;border-top:1px solid var(--line);
  font-size:.83rem;color:var(--muted);
}
.heart{color:var(--emerald)}

/* ---------- WHATSAPP FLOAT ---------- */
.wa-float{
  position:fixed;right:20px;bottom:20px;z-index:90;
  display:grid;place-items:center;width:58px;height:58px;border-radius:50%;cursor:pointer;
  background:linear-gradient(140deg,#25D366,#128C7E);color:#fff;border:none;
  box-shadow:0 14px 34px -10px rgba(37,211,102,.55);
  transition:transform .25s var(--ease),box-shadow .25s;
}
.wa-float:hover{transform:scale(1.08);box-shadow:0 18px 42px -10px rgba(37,211,102,.7)}
.wa-float::after{
  content:"";position:absolute;inset:0;border-radius:50%;
  border:2px solid rgba(37,211,102,.55);animation:ring 2.4s ease-out infinite;
}
@keyframes ring{0%{transform:scale(1);opacity:.75}100%{transform:scale(1.6);opacity:0}}

/* ---------- REVEAL ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
.reveal[data-delay="1"]{transition-delay:.09s}
.reveal[data-delay="2"]{transition-delay:.18s}
.reveal[data-delay="3"]{transition-delay:.27s}
.reveal[data-delay="4"]{transition-delay:.36s}
.reveal[data-delay="5"]{transition-delay:.45s}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.01ms!important}
  .reveal{opacity:1;transform:none}
}

/* ---------- RESPONSIVO ---------- */
@media (max-width:980px){
  .hero__inner{grid-template-columns:1fr;gap:52px}
  .hero__visual{order:-1}
  .float--1{left:0}
  .float--2{right:0}
  .hero{padding-top:126px}
  .strip__grid,.cards,.segs{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr);gap:28px}
  .steps::before{display:none}
  .diff{grid-template-columns:1fr;gap:40px}
  .diff__stat{grid-template-columns:repeat(3,1fr)}
  .stat__num{font-size:2rem}
  .stat{padding:22px 14px}
}

@media (max-width:760px){
  .nav__toggle{display:flex}
  .nav__links{
    position:fixed;inset:72px 0 auto;flex-direction:column;align-items:stretch;gap:0;
    background:rgba(11,17,32,.98);backdrop-filter:blur(18px);
    border-bottom:1px solid var(--line);padding:14px 22px 24px;
    transform:translateY(-14px);opacity:0;pointer-events:none;
    transition:opacity .25s,transform .25s var(--ease);
  }
  .nav__links.is-open{opacity:1;transform:none;pointer-events:auto}
  .nav__links a{padding:14px 0;border-bottom:1px solid var(--line);font-size:1rem}
  .nav__links .btn{margin-top:18px;border-bottom:none;justify-content:center}

  .hero{padding:118px 0 66px}
  .hero__proof{gap:26px}
  .proof strong{font-size:1.32rem}
  .hero__cta{flex-direction:column;align-items:stretch}
  .hero__cta .btn{width:100%}
  .phone{width:230px}
  .float--1{left:-8px;top:6%;font-size:.75rem;padding:9px 12px}
  .float--2{right:-8px;bottom:12%;font-size:.75rem;padding:9px 12px}

  .section{padding:70px 0}
  .strip__grid,.cards,.segs,.steps,.footer__inner,.footer__nav{grid-template-columns:1fr}
  .diff__stat{grid-template-columns:1fr}
  .sec-head{margin-bottom:38px}
  .cta{padding-bottom:76px}
  .cta__box{padding:48px 22px;border-radius:26px}
  .cta__btns{flex-direction:column}
  .cta__btns .btn{width:100%}
  .footer__bottom{flex-direction:column;gap:6px}
}