/* =========================================================
   ALKIN — Design System (Paleta A · Confiança & Clareza)
   ========================================================= */

:root{
  /* Brand */
  --navy:#0B1E3F;        /* Midnight — confiança */
  --navy-deep:#08121F;   /* Onyx — profundidade (hero/rodapé) */
  --teal:#14B8A6;        /* Teal — transparência/acento */
  --teal-bright:#17D7C7; /* Hover/realce */
  --slate:#475569;       /* Texto secundário */
  --mist:#E8EEF5;        /* Neutro claro */
  --mist-soft:#F4F7FB;   /* Fundo de seção */
  --white:#FFFFFF;
  --line:#E2E7EE;        /* Bordas */
  --ink:#0B1E3F;         /* Texto principal em fundo claro */

  /* Type */
  --display:"Sora",system-ui,-apple-system,Segoe UI,sans-serif;
  --body:"Inter",system-ui,-apple-system,Segoe UI,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;

  /* Scale */
  --container:1140px;
  --radius:14px;
  --radius-sm:10px;
  --shadow-sm:0 1px 2px rgba(8,18,31,.04),0 4px 16px rgba(8,18,31,.05);
  --shadow-md:0 8px 28px rgba(8,18,31,.10);
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

body{
  margin:0;
  font-family:var(--body);
  color:var(--ink);
  background:var(--white);
  line-height:1.6;
  font-size:17px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

h1,h2,h3,h4{font-family:var(--display);font-weight:700;line-height:1.12;letter-spacing:-.02em;margin:0 0 .4em;color:var(--navy)}
h1{font-size:clamp(2.1rem,5vw,3.5rem)}
h2{font-size:clamp(1.7rem,3.5vw,2.5rem)}
h3{font-size:1.25rem;letter-spacing:-.01em}
p{margin:0 0 1rem}
a{color:var(--teal);text-decoration:none}
a:hover{color:var(--teal-bright)}
strong{font-weight:600;color:var(--navy)}
.mono{font-family:var(--mono);font-feature-settings:"tnum" 1}

img,svg{max-width:100%;display:block}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* Eyebrow + section heads */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--mono);font-size:.74rem;font-weight:600;
  letter-spacing:.16em;text-transform:uppercase;color:var(--teal);
  margin-bottom:14px;
}
.eyebrow svg{width:16px;height:16px}
.section{padding:84px 0}
.section--alt{background:var(--mist-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section__lead{max-width:680px;color:var(--slate);font-size:1.06rem}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-family:var(--display);font-weight:600;font-size:.98rem;
  padding:14px 26px;border-radius:999px;border:1.5px solid transparent;
  cursor:pointer;transition:.2s var(--ease);white-space:nowrap;
}
.btn-accent{background:var(--teal);color:var(--navy)}
.btn-accent:hover{background:var(--teal-bright);color:var(--navy);transform:translateY(-1px)}
.btn-primary{background:var(--navy);color:#fff}
.btn-primary:hover{background:var(--navy-deep);color:#fff;transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--navy);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--teal);color:var(--navy)}
.btn-on-dark{background:transparent;color:#fff;border-color:rgba(255,255,255,.28)}
.btn-on-dark:hover{border-color:var(--teal);color:#fff}
.btn svg{width:18px;height:18px}

/* ---------- Header ---------- */
.header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.86);backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);
}
.header__inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
.brand{display:flex;align-items:center;gap:11px}
.brand__mark{width:26px;height:26px;flex:none}
.brand__name{font-family:var(--display);font-weight:700;font-size:1.3rem;letter-spacing:.02em;color:var(--navy)}
.nav{display:flex;align-items:center;gap:28px}
.nav a{color:var(--slate);font-size:.95rem;font-weight:500}
.nav a:hover{color:var(--navy)}
.header__cta{display:flex;align-items:center;gap:14px}
.navtoggle{display:none;background:none;border:0;cursor:pointer;padding:8px}
.navtoggle span{display:block;width:22px;height:2px;background:var(--navy);margin:4px 0;transition:.2s}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:radial-gradient(120% 120% at 80% 0%,#0e2747 0%,var(--navy-deep) 60%);color:#fff}
.hero__inner{padding:96px 0 100px;position:relative;z-index:2;max-width:760px}
.hero .eyebrow{color:var(--teal-bright)}
.hero h1{color:#fff;margin-bottom:18px}
.hero h1 .accent{color:var(--teal-bright)}
.hero__sub{font-size:1.18rem;color:#c7d3e3;max-width:600px;margin-bottom:32px}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px}
.hero__peak{position:absolute;right:-40px;top:0;height:100%;width:50%;opacity:.5;z-index:1;pointer-events:none}
.hero__note{margin-top:30px;font-size:.84rem;color:#8fa3bf;display:flex;align-items:center;gap:8px}
.hero__note svg{width:16px;height:16px;flex:none;stroke:var(--teal-bright)}

/* draw-in animation for the peak */
.peakline{stroke-dasharray:300;stroke-dashoffset:300;animation:draw 1.5s var(--ease) .2s forwards}
.peakline.b{animation-delay:.45s}
@keyframes draw{to{stroke-dashoffset:0}}
@media (prefers-reduced-motion:reduce){.peakline{animation:none;stroke-dashoffset:0}}

/* ---------- Trust strip ---------- */
.trustbar{background:var(--navy);color:#c7d3e3}
.trustbar__inner{display:flex;flex-wrap:wrap;gap:14px 40px;justify-content:center;padding:18px 0;font-size:.9rem}
.trustbar__item{display:flex;align-items:center;gap:9px}
.trustbar__item svg{width:18px;height:18px;stroke:var(--teal-bright);flex:none}

/* ---------- Cards grid ---------- */
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow-sm);transition:.25s var(--ease);
}
.card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px);border-color:#d3dce8}
.card__icon{width:42px;height:42px;border-radius:11px;background:var(--mist);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.card__icon svg{width:22px;height:22px;stroke:var(--teal);fill:none}
.card h3{margin-bottom:8px}
.card p{color:var(--slate);font-size:.97rem;margin:0}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step}
.step{position:relative;padding-top:14px}
.step__n{font-family:var(--mono);font-weight:600;color:var(--teal);font-size:.9rem;letter-spacing:.1em;margin-bottom:12px}
.step h3{font-size:1.08rem;margin-bottom:6px}
.step p{color:var(--slate);font-size:.95rem;margin:0}
.step::before{content:"";position:absolute;top:0;left:0;width:46px;height:3px;background:linear-gradient(90deg,var(--teal),var(--teal-bright));border-radius:3px}

/* ---------- Atlas teaser band ---------- */
.atlas-band{background:linear-gradient(120% 120% at 0 0,#0e2747,var(--navy-deep));color:#fff;border-radius:20px;padding:48px;display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center}
.atlas-band .eyebrow{color:var(--teal-bright)}
.atlas-band h2{color:#fff}
.atlas-band p{color:#c7d3e3;margin-bottom:0}
.atlas-band__cta{display:flex;justify-content:flex-end}

/* ---------- Brokers ---------- */
.broker{display:flex;flex-direction:column;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.broker__name{font-family:var(--display);font-weight:700;font-size:1.3rem;color:var(--navy);letter-spacing:-.01em}
.broker__tag{font-size:.85rem;color:var(--slate);margin:0}
.broker__badge{font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--teal);background:var(--mist);padding:5px 10px;border-radius:999px}

/* ---------- Lead form ---------- */
.lead{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.lead__form{background:#fff;border:1px solid var(--line);border-radius:18px;padding:32px;box-shadow:var(--shadow-md)}
.field{margin-bottom:16px}
.field label{display:block;font-size:.85rem;font-weight:600;color:var(--navy);margin-bottom:6px}
.field input{
  width:100%;padding:13px 15px;border:1.5px solid var(--line);border-radius:var(--radius-sm);
  font-family:var(--body);font-size:1rem;color:var(--ink);background:#fff;transition:.15s;
}
.field input:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px rgba(20,184,166,.15)}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:.84rem;color:var(--slate);margin:6px 0 20px}
.consent input{margin-top:3px;width:17px;height:17px;flex:none;accent-color:var(--teal)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-msg{padding:12px 15px;border-radius:var(--radius-sm);font-size:.9rem;margin-bottom:18px}
.form-msg.error{background:#fdecec;color:#9b2c2c;border:1px solid #f5c6c6}

/* ---------- Footer ---------- */
.footer{background:var(--navy-deep);color:#9fb0c7;padding:64px 0 28px;font-size:.92rem}
.footer__top{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer__brand .brand__name{color:#fff}
.footer__brand p{color:#8fa3bf;max-width:320px;margin-top:14px;font-size:.9rem}
.footer h4{color:#fff;font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;font-family:var(--mono);margin-bottom:16px}
.footer a{color:#c7d3e3;display:block;margin-bottom:10px}
.footer a:hover{color:var(--teal-bright)}
.footer__contact a{display:flex;align-items:center;gap:9px}
.footer__contact svg{width:16px;height:16px;stroke:var(--teal-bright);flex:none}
.footer__legal{padding-top:24px;font-size:.78rem;color:#74859e;line-height:1.7}
.legal-note{background:rgba(255,255,255,.04);border:1px dashed rgba(255,255,255,.18);border-radius:10px;padding:14px 16px;margin-bottom:20px;color:#a9b8cd;font-size:.8rem}
.footer__bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-top:24px;color:#74859e;font-size:.8rem}

/* ---------- Page hero (inner pages) ---------- */
.pagehero{background:radial-gradient(120% 130% at 85% -10%,#0e2747,var(--navy-deep));color:#fff;padding:80px 0 70px}
.pagehero .eyebrow{color:var(--teal-bright)}
.pagehero h1{color:#fff;max-width:760px}
.pagehero p{color:#c7d3e3;max-width:620px;font-size:1.12rem;margin-bottom:0}

/* ---------- Strategy diagrams ---------- */
.diagram{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-sm)}
.diagram h3{margin-bottom:6px}
.diagram p{color:var(--slate);font-size:.95rem}
.diagram figure{margin:18px 0 0}
.diagram figcaption{font-size:.82rem;color:var(--slate);margin-top:10px;font-family:var(--mono)}

/* fee example */
.fee{display:grid;grid-template-columns:repeat(5,1fr);gap:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.fee__cell{padding:22px 18px;border-right:1px solid var(--line);text-align:center}
.fee__cell:last-child{border-right:0}
.fee__cell .lbl{font-size:.74rem;text-transform:uppercase;letter-spacing:.1em;color:var(--slate);font-family:var(--mono);margin-bottom:8px}
.fee__cell .val{font-family:var(--mono);font-weight:600;font-size:1.35rem;color:var(--navy)}
.fee__cell.accent{background:var(--navy);}
.fee__cell.accent .lbl{color:#9fb0c7}
.fee__cell.accent .val{color:var(--teal-bright)}

.callout{border-left:4px solid var(--teal);background:var(--mist-soft);padding:20px 24px;border-radius:0 var(--radius) var(--radius) 0;margin:20px 0}
.callout--warn{border-left-color:#E0A82E;background:#FBF6EC}
.callout h3{font-size:1.1rem;margin-bottom:6px}
.callout p:last-child{margin-bottom:0}

/* crisis timeline */
.timeline{display:flex;flex-wrap:wrap;gap:12px;margin:18px 0 0}
.timeline__item{flex:1 1 140px;border:1px solid var(--line);border-radius:var(--radius-sm);padding:14px 16px;background:#fff}
.timeline__yr{font-family:var(--mono);font-weight:600;color:var(--teal);font-size:1.05rem}
.timeline__ev{font-size:.85rem;color:var(--slate)}

.minicards{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:8px}

/* reveal */
.reveal{opacity:0;transform:translateY(18px);transition:.6s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .footer__top{grid-template-columns:1fr 1fr}
  .atlas-band{grid-template-columns:1fr;gap:24px}
  .atlas-band__cta{justify-content:flex-start}
}
@media (max-width:760px){
  .nav,.header__cta .btn-ghost{display:none}
  .navtoggle{display:block}
  .nav.open{display:flex;position:absolute;top:72px;left:0;right:0;flex-direction:column;background:#fff;border-bottom:1px solid var(--line);padding:18px 24px;gap:16px;box-shadow:var(--shadow-md)}
  .lead{grid-template-columns:1fr;gap:28px}
  .fee{grid-template-columns:1fr 1fr}
  .minicards{grid-template-columns:1fr}
  .section{padding:60px 0}
}
@media (max-width:520px){
  .grid-4,.grid-3,.grid-2,.steps{grid-template-columns:1fr}
  .footer__top{grid-template-columns:1fr}
  .atlas-band{padding:32px 24px}
  .fee{grid-template-columns:1fr}
}