:root{--ink:#14212b;--muted:#556470;--teal:#0f4c5c;--teal-dark:#0a3844;--amber:#f2a33a;--bg:#f7f9fa;--line:#dde4e8;--white:#fff}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Plus Jakarta Sans","Segoe UI",system-ui,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65}
a{color:inherit;text-decoration:none}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid var(--amber);outline-offset:2px}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}

/* Header */
.site-header{background:var(--white);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:70px}
.logo{font-weight:800;font-size:1.35rem;letter-spacing:-.02em;color:var(--teal)}
.logo span{color:var(--amber)}
.nav{display:flex;align-items:center;gap:28px;font-weight:600;font-size:.95rem}
.nav a:not(.btn){color:var(--muted);padding:6px 0;border-bottom:2px solid transparent}
.nav a:not(.btn):hover,.nav a.active{color:var(--teal);border-color:var(--amber)}
.btn{display:inline-block;background:var(--teal);color:var(--white);font-weight:700;padding:11px 22px;border-radius:999px;border:0;cursor:pointer;font-size:.95rem;font-family:inherit;transition:background .2s}
.btn:hover{background:var(--teal-dark)}

/* Hero */
.hero{background:var(--teal);color:var(--white);overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:center;padding-top:96px;padding-bottom:96px}
.hero p.tag{color:var(--amber);font-weight:700;margin-bottom:14px}
.hero h1{font-size:clamp(2.6rem,6vw,4.4rem);line-height:1.05;letter-spacing:-.03em;font-weight:800}
.hero p.lead{margin:22px 0 32px;font-size:1.15rem;color:#cfe3e8;max-width:46ch}
.hero .btn{background:var(--amber);color:var(--ink)}
.hero .btn:hover{background:#f7b658}
.hero svg{width:100%;height:auto;max-width:380px;justify-self:center}

/* About */
.about{padding:88px 0}
.about .grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:56px}
.about h2{font-size:2.2rem;line-height:1.15;letter-spacing:-.02em;color:var(--teal);position:sticky;top:100px;align-self:start}
.about h2::after{content:"";display:block;width:56px;height:4px;background:var(--amber);margin-top:16px;border-radius:2px}
.about p{color:var(--muted);font-size:1.05rem;margin-bottom:20px;max-width:68ch}
.about p:first-child{color:var(--ink);font-size:1.15rem}

/* Page heading (contact) */
.page-head{background:var(--teal);color:var(--white);padding:64px 0}
.page-head h1{font-size:clamp(2rem,5vw,3rem);letter-spacing:-.02em}
.page-head p{color:#cfe3e8;margin-top:8px;max-width:52ch}

/* Contact */
.contact{padding:72px 0 88px}
.contact .grid{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:start}
.card{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:36px}
.card h2{font-size:1.4rem;margin-bottom:22px;color:var(--teal)}
label{display:block;font-weight:600;font-size:.9rem;margin-bottom:6px}
input,textarea{width:100%;font:inherit;padding:12px 14px;border:1px solid var(--line);border-radius:8px;background:var(--bg);margin-bottom:18px;color:var(--ink)}
input:focus,textarea:focus{border-color:var(--teal);background:var(--white)}
textarea{min-height:140px;resize:vertical}
.info p{color:var(--muted)}
.info strong{display:block;color:var(--ink);margin-top:4px}

/* Footer */
.site-footer{background:var(--ink);color:#b9c6ce;padding:28px 0;font-size:.9rem}
.site-footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}

@media(max-width:800px){
 .hero .wrap,.about .grid,.contact .grid{grid-template-columns:1fr}
 .hero .wrap{padding-top:64px;padding-bottom:64px}
 .hero svg{max-width:240px;order:-1;justify-self:start}
 .about{padding:56px 0}
 .about h2{position:static}
 .nav{gap:16px}
 .card{padding:24px}
}
@media(max-width:480px){.nav a:not(.btn){font-size:.85rem}.btn{padding:9px 16px}}