/* ===========================================================
   ISPCAB — Instituto Superior Politécnico de Cabinda
   Folha de estilos partilhada
   Paleta: azul institucional + dourado (confiança + Angola)
   =========================================================== */

/* Paleta oficial ISPCAB — verde + preto + branco (do logótipo) */
:root{
  --navy:#161616;        /* preto do emblema — cabeçalhos, hero, rodapé */
  --navy-2:#2b2b2b;
  --blue:#4f7f27;        /* verde escuro — ligações e gradientes */
  --blue-light:#eef6e2;  /* verde muito claro — fundos/etiquetas */
  --gold:#7bb53f;        /* verde vivo da marca — botões principais */
  --gold-dark:#5c8f2e;   /* verde para hover */
  --ink:#1d1d1d;
  --muted:#5a6572;
  --line:#e4e8ef;
  --bg:#ffffff;
  --bg-soft:#f5f7fb;
  --white:#ffffff;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 10px 30px rgba(11,37,69,.08);
  --shadow-lg:0 20px 50px rgba(11,37,69,.16);
  --wrap:1180px;
  --ff:"Segoe UI",system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--ff);color:var(--ink);background:var(--bg);
  line-height:1.6;font-size:17px;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{line-height:1.2;color:var(--navy);margin:0 0 .5em}
h1{font-size:clamp(2rem,4vw,3.1rem);font-weight:800;letter-spacing:-.5px}
h2{font-size:clamp(1.5rem,3vw,2.15rem);font-weight:800}
h3{font-size:1.2rem;font-weight:700}
p{margin:0 0 1em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 22px}
.section{padding:74px 0}
.section--soft{background:var(--bg-soft)}
.center{text-align:center}
.lead{font-size:1.12rem;color:var(--muted);max-width:720px}
.center .lead{margin-left:auto;margin-right:auto}
.eyebrow{
  display:inline-block;text-transform:uppercase;letter-spacing:2px;
  font-size:.78rem;font-weight:700;color:var(--gold-dark);margin-bottom:10px;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.55em;cursor:pointer;
  padding:14px 26px;border-radius:999px;font-weight:700;font-size:1rem;
  border:2px solid transparent;transition:.2s;text-decoration:none;
}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn--gold{background:var(--gold);color:#0f2408}
.btn--gold:hover{background:var(--gold-dark);color:#fff}
.btn--navy{background:var(--navy);color:#fff}
.btn--navy:hover{background:var(--navy-2)}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn--ghost:hover{background:rgba(255,255,255,.12)}
.btn--outline{background:#fff;color:var(--navy);border-color:var(--line)}
.btn--outline:hover{border-color:var(--blue);color:var(--blue)}

/* ---------- Top bar ---------- */
.topbar{background:var(--navy);color:#dbe6f5;font-size:.85rem}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:14px;min-height:40px;flex-wrap:wrap}
.topbar a{color:#dbe6f5}
.topbar .tb-group{display:flex;gap:18px;flex-wrap:wrap;align-items:center}
.topbar .tb-group span{display:inline-flex;align-items:center;gap:6px}

/* ---------- Header / nav ---------- */
.header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;color:var(--navy)}
.brand:hover{text-decoration:none}
.brand .logo{
  width:46px;height:46px;border-radius:12px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--navy),var(--blue));
  color:#fff;display:grid;place-items:center;font-weight:800;font-size:1.05rem;letter-spacing:.5px;
  box-shadow:var(--shadow);
}
.brand .bt{display:flex;flex-direction:column;line-height:1.1}
.brand .bt b{font-size:1.05rem}
.brand .bt small{font-size:.72rem;color:var(--muted);font-weight:600}
.menu{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
.menu > li{position:relative}
.menu > li > a{
  display:block;padding:10px 13px;border-radius:8px;color:var(--ink);
  font-weight:600;font-size:.95rem;
}
.menu > li > a:hover{background:var(--blue-light);color:var(--navy);text-decoration:none}
.menu a.active{color:var(--blue)}
.menu .has-sub > a::after{content:"▾";margin-left:5px;font-size:.75rem;color:var(--muted)}
.submenu{
  position:absolute;top:100%;left:0;min-width:230px;background:#fff;border:1px solid var(--line);
  border-radius:12px;box-shadow:var(--shadow-lg);padding:8px;display:none;list-style:none;margin:6px 0 0;
}
.menu .has-sub:hover .submenu{display:block}
.submenu a{display:block;padding:9px 12px;border-radius:8px;color:var(--ink);font-size:.92rem}
.submenu a:hover{background:var(--bg-soft);text-decoration:none}
.nav-cta{display:flex;align-items:center;gap:10px}
.nav-cta .btn{padding:10px 18px;font-size:.92rem}
.burger{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;width:44px;height:44px;cursor:pointer;font-size:1.3rem;line-height:1;color:var(--navy)}

/* ---------- Hero ---------- */
.hero{position:relative;color:#fff;overflow:hidden;background:var(--navy)}
.hero__bg{position:absolute;inset:0;background:
   linear-gradient(120deg,rgba(18,18,18,.94),rgba(58,102,38,.82)),
   repeating-linear-gradient(135deg,rgba(255,255,255,.035) 0 22px,transparent 22px 44px);}
.hero .wrap{position:relative;padding:88px 22px 96px;max-width:920px}
.hero h1{color:#fff;margin-bottom:14px}
.hero .kicker{color:var(--gold);font-weight:800;letter-spacing:3px;text-transform:uppercase;font-size:.85rem;margin-bottom:12px}
.hero p{font-size:1.2rem;color:#e7eefc;max-width:620px}
.hero .cta-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}
.hero .decree{margin-top:22px;font-size:.85rem;color:#b9caea}

.page-hero{background:var(--navy);color:#fff;position:relative}
.page-hero .hero__bg{position:absolute;inset:0;background:linear-gradient(120deg,rgba(18,18,18,.95),rgba(58,102,38,.82))}
.page-hero .wrap{position:relative;padding:56px 22px}
.page-hero h1{color:#fff;margin:0}
.page-hero p{color:#dbe6f5;margin:.4em 0 0;max-width:640px}
.crumbs{font-size:.85rem;color:#b9caea;margin-bottom:10px}
.crumbs a{color:#dbe6f5}

/* ---------- Cards / grids ---------- */
.grid{display:grid;gap:24px}
.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);overflow:hidden;box-shadow:var(--shadow);transition:.2s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.card__body{padding:22px}
.card h3{margin-bottom:.35em}
.card .area-tag{display:inline-block;font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:1px;padding:4px 10px;border-radius:999px;margin-bottom:10px}
.tag-saude{background:#e6f7f0;color:#0a7a52}
.tag-sociais{background:#eef0fc;color:#3a3fa8}
.tag-eng{background:#fdf0e6;color:#b5651d}
.card__link{font-weight:700;color:var(--blue);display:inline-flex;gap:6px;align-items:center;margin-top:6px}

/* photo placeholders */
.ph{
  position:relative;background:
    linear-gradient(135deg,var(--blue-light),#dfe8f6);
  display:grid;place-items:center;color:#8aa0c4;font-weight:600;font-size:.85rem;
  aspect-ratio:16/10;border-bottom:1px solid var(--line);text-align:center;padding:10px;
}
.ph::before{content:"📷";font-size:1.6rem;display:block;margin-bottom:6px;filter:grayscale(.2)}
.ph--tall{aspect-ratio:3/4}
.ph--wide{aspect-ratio:21/9}
.ph--round{border-radius:50%;aspect-ratio:1;border:none}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{text-align:center;padding:26px 14px;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}
.stat b{display:block;font-size:2.4rem;font-weight:800;color:var(--navy);line-height:1}
.stat span{color:var(--muted);font-size:.95rem;font-weight:600}
.stat .ph-note{color:var(--gold-dark);font-size:.72rem}

/* feature list */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.feature .ico{width:52px;height:52px;border-radius:14px;background:var(--blue-light);display:grid;place-items:center;font-size:1.5rem;margin-bottom:14px}

/* CTA band */
.cta-band{background:linear-gradient(120deg,var(--navy),var(--blue));color:#fff;border-radius:20px;padding:44px;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.cta-band h2{color:#fff;margin:0}
.cta-band p{color:#e7eefc;margin:.4em 0 0;max-width:560px}

/* placeholder inline note */
.ph-fill{background:#fff7e6;color:#8a5a00;border:1px dashed var(--gold);border-radius:6px;padding:1px 7px;font-size:.85em;font-weight:600;white-space:nowrap}

/* contact */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:34px}
.info-line{display:flex;gap:12px;align-items:flex-start;margin-bottom:16px}
.info-line .ico{flex:0 0 auto;width:42px;height:42px;border-radius:12px;background:var(--blue-light);display:grid;place-items:center;font-size:1.15rem}
.info-line b{display:block;color:var(--navy)}
.info-line span,.info-line a{color:var(--muted);font-size:.95rem}
.dept-table{width:100%;border-collapse:collapse;font-size:.92rem;margin-top:10px}
.dept-table td{padding:9px 10px;border-bottom:1px solid var(--line)}
.dept-table td:first-child{font-weight:600;color:var(--navy)}
form.cf{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
form.cf label{display:block;font-weight:600;font-size:.9rem;margin:0 0 6px;color:var(--navy)}
form.cf input,form.cf textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font:inherit;margin-bottom:16px;background:var(--bg-soft)}
form.cf input:focus,form.cf textarea:focus{outline:2px solid var(--blue);background:#fff}

/* gallery */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}

/* news */
.news-item{display:grid;grid-template-columns:220px 1fr;gap:20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-bottom:20px}
.news-item .ph{aspect-ratio:auto;height:100%;min-height:150px;border-bottom:none;border-right:1px solid var(--line)}
.news-item .n-body{padding:20px 22px}
.news-item .date{font-size:.8rem;color:var(--gold-dark);font-weight:700;text-transform:uppercase;letter-spacing:1px}

/* course detail rows */
.course-block{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;margin-bottom:22px;box-shadow:var(--shadow)}
.course-block h3{display:flex;align-items:center;gap:10px}
.meta-row{display:flex;flex-wrap:wrap;gap:22px;margin:14px 0 4px;font-size:.92rem}
.meta-row div{color:var(--muted)}
.meta-row b{color:var(--navy);display:block;font-size:.78rem;text-transform:uppercase;letter-spacing:.5px}

/* footer */
.footer{background:var(--navy);color:#c6d4ea;padding:56px 0 26px;font-size:.92rem}
.footer h4{color:#fff;font-size:1rem;margin-bottom:14px}
.footer a{color:#c6d4ea}
.footer a:hover{color:#fff}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:34px}
.footer .fbrand{display:flex;gap:12px;align-items:center;margin-bottom:14px}
.footer .fbrand .logo{width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,#fff,#dfeecc);color:var(--navy);display:grid;place-items:center;font-weight:800}
.footer ul{list-style:none;padding:0;margin:0}
.footer ul li{margin-bottom:9px}
.footer .socials{display:flex;gap:10px;margin-top:12px}
.footer .socials a{width:40px;height:40px;border-radius:10px;background:rgba(255,255,255,.08);display:grid;place-items:center;font-size:1.1rem}
.footer .socials a:hover{background:var(--gold);color:#231a00}
.footbar{border-top:1px solid rgba(255,255,255,.12);margin-top:36px;padding-top:20px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:.85rem;color:#9fb3d1}

/* whatsapp float */
.wa{position:fixed;right:20px;bottom:20px;z-index:80;width:58px;height:58px;border-radius:50%;background:#25d366;color:#fff;display:grid;place-items:center;box-shadow:var(--shadow-lg);font-size:1.7rem;transition:.2s}
.wa:hover{transform:scale(1.08);text-decoration:none}

/* mobile menu panel */
.mobile-panel{display:none}

/* ---------- Responsive ---------- */
@media(max-width:960px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .features{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .menu,.nav-cta .btn span.lbl{display:none}
  .burger{display:block}
}
@media(max-width:640px){
  body{font-size:16px}
  .section{padding:52px 0}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr}
  .news-item{grid-template-columns:1fr}
  .news-item .ph{border-right:none;border-bottom:1px solid var(--line)}
  .cta-band{padding:30px;flex-direction:column;text-align:center}
  .footer-grid{grid-template-columns:1fr}
  .topbar .tb-group.tb-left{display:none}
}

/* mobile slide-in */
.mobile-panel.open{display:block;position:fixed;inset:0;z-index:90}
.mobile-panel .backdrop{position:absolute;inset:0;background:rgba(11,37,69,.5)}
.mobile-panel .sheet{position:absolute;top:0;right:0;width:min(320px,84vw);height:100%;background:#fff;box-shadow:var(--shadow-lg);padding:22px;overflow:auto}
.mobile-panel .sheet a{display:block;padding:12px 10px;border-bottom:1px solid var(--line);color:var(--ink);font-weight:600}
.mobile-panel .sheet .close{float:right;border:none;background:none;font-size:1.6rem;cursor:pointer;color:var(--navy)}
.mobile-panel .sheet .btn{margin-top:16px;width:100%;justify-content:center}