/* ════════════════════════════════════════════════════════════════
   YAPP · site.css — tema partilhado por todas as páginas
   (Início, Funcionalidades, Sobre, Contactos, Termos, Blog)
   Identidade azul YAPP · tipografia Fraunces + Inter.
   COMO EDITAR: cores em :root; navegação em .site-nav; rodapé em .site-footer.
   ════════════════════════════════════════════════════════════════ */

:root{
  --blue:#3FB3FF; --blue-mid:#1A92E8; --blue-dark:#0D5FA8; --blue-deep:#0A3D70;
  --sky:#EBF6FF; --sky2:#D4EDFF; --off:#F7FBFF;
  --ink:#1C2B4A; --ink2:#3A5070; --gray:#728099; --grayl:#C8D8E8;
  --bd:rgba(63,179,255,.18); --bdg:rgba(28,43,74,.08);
  --serif:'Fraunces',Georgia,serif; --sans:'Inter',system-ui,-apple-system,sans-serif;
  --r:18px; --rs:12px; --maxw:1180px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scrollbar-gutter:stable;}
body{font-family:var(--sans);background:#fff;color:var(--ink2);line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden;}
img{max-width:100%;display:block;}
a{color:var(--blue-dark);text-decoration:none;}
.container{max-width:var(--maxw);margin:0 auto;padding:0 5vw;}
.muted{color:var(--gray);}

/* ── NAV ── */
.site-nav{position:sticky;top:0;z-index:200;background:rgba(255,255,255,.9);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid var(--bdg);}
.site-nav__inner{padding:0 5vw;min-height:70px;display:flex;align-items:center;justify-content:space-between;gap:1rem;}
.site-nav__logo{display:inline-flex;align-items:center;flex-shrink:0;}
.site-nav__logo img{height:56px;width:auto;max-width:160px;object-fit:contain;}
.site-nav__links{display:flex;align-items:center;gap:2rem;list-style:none;}
.site-nav__links a{font-size:.84rem;font-weight:500;color:var(--ink2);white-space:nowrap;transition:color .2s;}
.site-nav__links a:hover,.site-nav__links a.is-active{color:var(--blue-dark);}
.nav-cta{display:inline-flex;align-items:center;gap:.4rem;background:linear-gradient(135deg,var(--blue-deep),var(--blue-mid));color:#fff!important;padding:.6rem 1.4rem;border-radius:50px;font-size:.84rem!important;font-weight:600;box-shadow:0 3px 14px rgba(13,95,168,.28);transition:transform .2s,box-shadow .2s;}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 7px 22px rgba(13,95,168,.38);}
.nav-burger{display:none;width:44px;height:44px;border:none;background:none;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px;-webkit-tap-highlight-color:transparent;}
.nav-burger span{width:24px;height:2.5px;border-radius:2px;background:var(--ink);transition:transform .3s,opacity .25s;}
.nav-burger.open span:nth-child(1){transform:translateY(7.5px) rotate(45deg);}
.nav-burger.open span:nth-child(2){opacity:0;}
.nav-burger.open span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg);}

@media(max-width:880px){
  .nav-burger{display:flex;}
  .site-nav__links{
    position:fixed;top:70px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-bottom:1px solid var(--bdg);
    padding:.5rem 5vw 1.2rem;
    box-shadow:0 14px 30px rgba(28,43,74,.08);
    transform:translateY(-12px);opacity:0;pointer-events:none;
    transition:transform .3s cubic-bezier(.16,1,.3,1),opacity .3s;
  }
  .site-nav__links.open{transform:none;opacity:1;pointer-events:auto;}
  .site-nav__links a{display:block;padding:.9rem .2rem;border-bottom:1px solid var(--bdg);font-size:1rem;}
  .site-nav__links li:last-child a,.site-nav__links .nav-cta{border:none;}
  .nav-cta{display:block;text-align:center;margin-top:.9rem;padding:.9rem 1.4rem;font-size:.95rem!important;}
}

/* ── BOTÕES ── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.9rem 1.8rem;border-radius:50px;font-family:var(--sans);font-size:.92rem;font-weight:600;cursor:pointer;border:1px solid transparent;transition:all .22s;-webkit-tap-highlight-color:transparent;text-decoration:none;}
.btn:active{transform:scale(.97);}
.btn--primary{background:linear-gradient(135deg,var(--blue-deep),var(--blue-mid));color:#fff;box-shadow:0 4px 16px rgba(13,95,168,.28);}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 9px 28px rgba(13,95,168,.4);}
.btn--ghost{background:var(--sky);color:var(--blue-dark);border-color:var(--bd);}
.btn--ghost:hover{background:var(--sky2);}
.btn svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;}

/* ── CABEÇALHO DE PÁGINA ── */
.page-hero{background:linear-gradient(160deg,var(--blue-deep),var(--blue-mid));color:#fff;padding:4.5rem 5vw 4rem;position:relative;overflow:hidden;}
.page-hero::after{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 70% 60% at 80% 0%,rgba(63,179,255,.25),transparent 60%);pointer-events:none;}
.page-hero__inner{max-width:var(--maxw);margin:0 auto;position:relative;z-index:1;}
.page-hero .eyebrow{display:inline-block;font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.16em;color:#A8DCFF;margin-bottom:1rem;}
.page-hero h1{font-family:var(--serif);font-size:clamp(2.2rem,5vw,3.4rem);font-weight:600;letter-spacing:-.025em;line-height:1.08;margin-bottom:1rem;}
.page-hero p{font-size:1.05rem;color:rgba(255,255,255,.78);font-weight:300;max-width:620px;}

/* ── SECÇÕES ── */
.section{padding:4.5rem 5vw;}
.section .inner{max-width:var(--maxw);margin:0 auto;}
.section--sky{background:var(--sky);}
.section--off{background:var(--off);}
.s-tag{display:inline-block;font-size:.66rem;font-weight:700;text-transform:uppercase;letter-spacing:.14em;color:var(--blue-mid);margin-bottom:.8rem;}
.s-title{font-family:var(--serif);font-size:clamp(1.7rem,3.4vw,2.5rem);font-weight:600;letter-spacing:-.02em;line-height:1.12;color:var(--ink);margin-bottom:1rem;}
.s-title span{color:var(--blue-mid);} .s-title em{font-style:italic;}
.s-desc{font-size:1rem;color:var(--gray);font-weight:300;max-width:620px;}
.center{text-align:center;} .center .s-desc{margin-left:auto;margin-right:auto;}

/* ── CARTÕES ── */
.grid{display:grid;gap:1.2rem;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.card{background:#fff;border:1px solid var(--bdg);border-radius:var(--r);padding:1.8rem 1.6rem;transition:transform .3s cubic-bezier(.16,1,.3,1),box-shadow .3s,border-color .25s;}
.card:hover{transform:translateY(-4px);box-shadow:0 14px 40px rgba(28,43,74,.08);border-color:var(--bd);}
.card .ic{width:46px;height:46px;border-radius:13px;background:var(--sky);border:1px solid var(--bd);display:flex;align-items:center;justify-content:center;margin-bottom:1rem;}
.card .ic svg{width:21px;height:21px;stroke:var(--blue-dark);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.card h3{font-family:var(--serif);font-size:1.12rem;font-weight:600;color:var(--ink);margin-bottom:.5rem;letter-spacing:-.01em;}
.card p{font-size:.9rem;color:var(--gray);font-weight:300;line-height:1.65;}

/* ── CTA faixa ── */
.cta-band{background:linear-gradient(135deg,var(--blue-deep),var(--blue-mid));color:#fff;text-align:center;padding:3.5rem 5vw;border-radius:var(--r);position:relative;overflow:hidden;}
.cta-band h2{font-family:var(--serif);font-size:clamp(1.6rem,3.5vw,2.3rem);font-weight:600;margin-bottom:.8rem;letter-spacing:-.02em;}
.cta-band p{color:rgba(255,255,255,.75);font-weight:300;margin-bottom:1.8rem;max-width:520px;margin-left:auto;margin-right:auto;}
.cta-band .btn--primary{background:#fff;color:var(--blue-deep);}
.cta-band .btn--primary:hover{box-shadow:0 9px 30px rgba(0,0,0,.2);}

/* ── RODAPÉ ── */
.site-footer{background:var(--sky);border-top:1px solid var(--bdg);padding:3rem 5vw 2rem;}
.site-footer__inner{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:2.5rem;}
.site-footer__brand img{height:54px;width:auto;margin-bottom:.8rem;}
.site-footer__brand p{font-size:.85rem;color:var(--gray);font-weight:300;max-width:280px;}
.site-footer h4{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:var(--ink);margin-bottom:.9rem;}
.site-footer ul{list-style:none;display:flex;flex-direction:column;gap:.55rem;}
.site-footer a,.site-footer button.linklike{font-size:.86rem;color:var(--ink2);background:none;border:none;cursor:pointer;font-family:var(--sans);text-align:left;padding:0;transition:color .2s;}
.site-footer a:hover,.site-footer button.linklike:hover{color:var(--blue-dark);}
.site-footer__bottom{max-width:var(--maxw);margin:2.2rem auto 0;padding-top:1.4rem;border-top:1px solid var(--bdg);display:flex;justify-content:space-between;flex-wrap:wrap;gap:.6rem;font-size:.74rem;color:var(--gray);}

@media(max-width:760px){
  .grid-2,.grid-3{grid-template-columns:1fr;}
  .section{padding:3.2rem 5vw;}
  .page-hero{padding:3.2rem 5vw 2.8rem;}
  .site-footer__inner{grid-template-columns:1fr;gap:1.8rem;}
  .site-footer__bottom{flex-direction:column;text-align:center;}
}

/* ════════════════════════════════════
   BLOG
   ════════════════════════════════════ */
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;}
.post-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--bdg);border-radius:var(--r);overflow:hidden;transition:transform .3s,box-shadow .3s;}
.post-card:hover{transform:translateY(-4px);box-shadow:0 14px 40px rgba(28,43,74,.09);}
.post-card__img{aspect-ratio:16/10;background:var(--sky2) center/cover no-repeat;}
.post-card__body{padding:1.3rem 1.4rem 1.5rem;display:flex;flex-direction:column;flex:1;}
.post-card__cat{font-size:.66rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--blue-mid);margin-bottom:.5rem;}
.post-card__body h3{font-family:var(--serif);font-size:1.15rem;font-weight:600;color:var(--ink);line-height:1.25;margin-bottom:.5rem;}
.post-card__body p{font-size:.86rem;color:var(--gray);font-weight:300;line-height:1.6;flex:1;}
.post-card__meta{margin-top:1rem;font-size:.74rem;color:var(--grayl);}

.post-card--feature{grid-column:1 / -1;flex-direction:row;}
.post-card--feature .post-card__img{flex:1;aspect-ratio:auto;min-height:320px;}
.post-card--feature .post-card__body{flex:1;justify-content:center;padding:2.5rem;}
.post-card--feature .post-card__body h3{font-size:1.8rem;}

.cat-bar{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:2rem;}
.cat-pill{font-size:.8rem;font-weight:600;color:var(--ink2);background:#fff;border:1px solid var(--bdg);border-radius:50px;padding:.5rem 1.1rem;cursor:pointer;transition:all .2s;}
.cat-pill:hover{border-color:var(--bd);color:var(--blue-dark);}
.cat-pill.is-active{background:var(--blue-dark);color:#fff;border-color:transparent;}

/* artigo individual */
.article{max-width:740px;margin:0 auto;padding:3rem 5vw 4rem;}
.article__meta{font-size:.8rem;color:var(--gray);margin-bottom:1rem;}
.article h1{font-family:var(--serif);font-size:clamp(1.9rem,4.5vw,2.8rem);font-weight:600;color:var(--ink);line-height:1.12;letter-spacing:-.02em;margin-bottom:1.2rem;}
.article__lead{font-size:1.12rem;color:var(--ink2);font-weight:300;margin-bottom:2rem;line-height:1.7;}
.article__cover{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r);margin-bottom:2rem;}
.article h2{font-family:var(--serif);font-size:1.5rem;font-weight:600;color:var(--ink);margin:2.2rem 0 .8rem;}
.article h3{font-size:1.1rem;font-weight:600;color:var(--ink);margin:1.6rem 0 .5rem;}
.article p{margin-bottom:1.1rem;color:var(--ink2);}
.article ul,.article ol{margin:0 0 1.2rem 1.3rem;}
.article li{margin-bottom:.5rem;}
.article blockquote{border-left:3px solid var(--blue);background:var(--sky);padding:1rem 1.3rem;border-radius:0 var(--rs) var(--rs) 0;margin:1.5rem 0;font-style:italic;color:var(--ink);}

@media(max-width:760px){
  .blog-grid{grid-template-columns:1fr;}
  .post-card--feature{flex-direction:column;}
  .post-card--feature .post-card__img{min-height:200px;}
  .post-card--feature .post-card__body{padding:1.5rem;}
  .post-card--feature .post-card__body h3{font-size:1.4rem;}
}

@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto;}.card,.post-card,.btn{transition:none;}}


/* ── BOTTOM NAV (mobile) — consistente com a homepage ── */
.bottom-nav{position:fixed;left:0;right:0;bottom:0;z-index:1200;display:none;align-items:stretch;justify-content:space-around;padding:.5rem .6rem calc(.5rem + env(safe-area-inset-bottom,0px));background:rgba(255,255,255,.82);-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px);border-top:1px solid var(--bdg);box-shadow:0 -6px 24px rgba(28,43,74,.07);}
.bn-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;padding:.35rem .2rem;border-radius:14px;text-decoration:none;color:var(--gray);font-size:.6rem;font-weight:600;transition:color .25s,transform .15s;-webkit-tap-highlight-color:transparent;position:relative;}
.bn-item svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;transition:transform .25s;}
.bn-item .bn-label{line-height:1;}
.bn-item:active{transform:scale(.9);}
.bn-item.active{color:var(--blue-dark);}
.bn-item.active svg{transform:translateY(-1px) scale(1.06);}
.bn-item.active::before{content:'';position:absolute;top:4px;width:5px;height:5px;border-radius:50%;background:var(--blue);box-shadow:0 0 8px rgba(63,179,255,.6);}
.bn-cta{color:#fff;background:linear-gradient(135deg,var(--blue-deep),var(--blue-mid));margin:.1rem .15rem;box-shadow:0 4px 14px rgba(13,95,168,.3);}
.bn-cta.active{color:#fff;} .bn-cta.active::before{display:none;} .bn-cta:active{transform:scale(.93);}
@media(max-width:768px){ .bottom-nav{display:flex;} body{padding-bottom:74px;} }