/* ------------ Base & variables ------------ */
:root{
  --bg:#0a3d62;
  --bg-2:#072b45;
  --acc:#19c37d;
  --ink:#0b1520;
  --muted:#516173;
  --paper:#ffffff;
  --paper-2:#f7fafc;
  --ring: rgba(25,195,125,0.4);
  --radius:14px;
  --shadow:0 10px 30px rgba(0,0,0,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; font:16px/1.5 system-ui,-apple-system,Segoe UI,Roboto,Ubuntu;
  color:var(--ink); background:var(--paper);
}
img{max-width:100%; height:auto; display:block}
a{color:var(--bg); text-decoration:none}
a:hover{opacity:.9}
.container{width:min(1100px, calc(100% - 2rem)); margin-inline:auto}
.section{padding:72px 0}
.section-alt{background:var(--paper-2)}
.section-head{max-width:760px; margin:0 auto 32px; text-align:center}
h1,h2,h3{line-height:1.2; margin:0 0 12px}
h1{font-size:clamp(28px,4vw,40px)}
h2{font-size:clamp(24px,3vw,32px)}
h3{font-size:clamp(18px,2.4vw,22px)}
p{margin:0 0 12px; color:var(--ink)}
ul{margin:0 0 12px 20px}
.skip-link{position:absolute; left:-9999px}
.skip-link:focus{left:8px; top:8px; background:var(--paper); padding:8px; border-radius:8px}

/* ------------ Header ------------ */
.header{position:sticky; top:0; z-index:100; background:rgba(255,255,255,.9); backdrop-filter: blur(8px); border-bottom:1px solid #eef2f7}
.nav{display:flex; align-items:center; justify-content:space-between; padding:12px 0}
.logo{display:flex; align-items:center; gap:10px; font-weight:700; color:var(--bg)}
.logo svg{fill:var(--acc)}
.menu{display:flex; gap:18px; align-items:center}
.menu a{padding:8px 10px; border-radius:10px}
.menu .btn{padding:10px 14px}
.nav-toggle{display:none; background:none; border:none; font-size:22px}

/* ------------ Buttons ------------ */
.btn{display:inline-block; background:var(--bg); color:white; padding:12px 16px; border-radius:12px; box-shadow:var(--shadow)}
.btn-ghost{background:transparent; border:2px solid var(--bg); color:var(--bg)}

/* ------------ Hero ------------ */
.hero{display:grid; grid-template-columns:1.1fr .9fr; align-items:center; gap:20px; padding:36px 0 0}
.hero-inner{padding:36px 0 36px}
.hero .accent{color:var(--acc)}
.hero-media img{border-radius:var(--radius); box-shadow:var(--shadow)}
.cta{display:flex; gap:12px; margin-top:12px}

/* ------------ Cards ------------ */
.cards{display:grid; grid-template-columns:repeat(3,1fr); gap:18px}
.card{background:white; border-radius:var(--radius); box-shadow:var(--shadow); padding:20px}
.card .icon{font-size:28px; margin-bottom:8px}
.ticks{list-style:none; padding:0}
.ticks li{position:relative; padding-left:26px; margin-bottom:8px}
.ticks li::before{content:'✓'; position:absolute; left:0; top:0; color:var(--acc)}

/* ------------ Grid logos ------------ */
.grid-logos{display:grid; grid-template-columns:repeat(4,1fr); gap:12px; margin-top:10px}
.logo-badge{background:white; padding:16px; text-align:center; border-radius:12px; box-shadow:var(--shadow)}

/* ------------ Projects ------------ */
.projects{display:grid; grid-template-columns:1fr; gap:14px}
.project{display:grid; grid-template-columns:180px 1fr; gap:12px; background:white; padding:14px; border-radius:12px; box-shadow:var(--shadow)}

/* ------------ About ------------ */
.about{display:grid; grid-template-columns:1.1fr .9fr; gap:18px}
.about img{border-radius:var(--radius); box-shadow:var(--shadow)}

/* ------------ Contact ------------ */
.contact{display:grid; grid-template-columns:1.2fr .8fr; gap:18px; align-items:start}
.grid-form{display:grid; grid-template-columns:repeat(2,1fr); gap:12px}
label{display:flex; flex-direction:column; gap:6px; font-weight:600}
input, textarea{
  padding:12px; border:1px solid #d9e2ec; border-radius:10px; font:inherit; background:white;
}
input:focus, textarea:focus{outline:3px solid var(--ring); border-color:transparent}
.form-actions{display:flex; gap:14px; align-items:center; margin-top:6px}
.form-note{color:var(--muted); font-size:14px}
.contact-aside{background:var(--paper-2); border:1px dashed #e3e8ef; border-radius:12px; padding:16px}

/* ------------ CTAs ------------ */
.ctas .container{display:grid; grid-template-columns:1fr 1fr; gap:16px}
.cta-box{background:linear-gradient(135deg, var(--bg), var(--bg-2)); color:white; padding:24px; border-radius:16px; box-shadow:var(--shadow)}
.cta-box .btn{background:white; color:var(--bg); box-shadow:none; border:none;}

/* ------------ Footer ------------ */
.footer{border-top:1px solid #eef2f7; background:#fbfdff}
.foot{display:flex; justify-content:space-between; padding:18px 0}
.foot nav{display:flex; gap:12px}

/* ------------ Responsive ------------ */
@media (max-width: 980px){
  .hero{grid-template-columns:1fr}
  .about{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr; gap:14px}
  .grid-logos{grid-template-columns:repeat(2,1fr)}
  .contact{grid-template-columns:1fr}
  .grid-form{grid-template-columns:1fr}
  .projects .project{grid-template-columns:1fr}
  .ctas .container{grid-template-columns:1fr}
  .menu{position:fixed; inset:64px 0 auto 0; background:white; padding:16px; border-bottom:1px solid #eef2f7; transform:translateY(-120%); transition:.25s; flex-direction:column}
  .nav-toggle{display:block}
  .menu.open{transform:translateY(0)}
}