@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Poppins:wght@500;600;700;800&display=swap');

:root{
  --primary:#005f73;
  --primary-dark:#063b4a;
  --secondary:#0a9396;
  --accent:#94d2bd;
  --sand:#e9d8a6;
  --light:#f4fafb;
  --text:#18323b;
  --muted:#60747c;
  --white:#fff;
  --shadow:0 16px 45px rgba(4,48,61,.10);
  --radius:20px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{font-family:Inter,Arial,sans-serif;background:var(--light);color:var(--text);line-height:1.7;overflow-x:hidden}
h1,h2,h3,h4,nav a,.btn{font-family:Poppins,Inter,sans-serif}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
.container{width:min(1180px,92%);margin-inline:auto}

/* Navigation */
header{position:fixed;inset:0 0 auto;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);box-shadow:0 2px 22px rgba(0,0,0,.08);z-index:1000}
nav{width:min(1180px,92%);margin:auto;min-height:82px;display:flex;align-items:center;gap:28px}
.logo{display:flex;align-items:center;text-decoration:none;flex-shrink:0}
.logo img{width:auto;height:62px;max-width:190px;object-fit:contain}
nav ul{margin-left:auto;display:flex;align-items:center;gap:30px;list-style:none}
nav ul a{text-decoration:none;color:var(--primary-dark);font-weight:600;font-size:.94rem;position:relative;padding:10px 0}
nav ul a::after{content:"";position:absolute;left:0;right:100%;bottom:2px;height:2px;background:var(--secondary);transition:.25s}
nav ul a:hover::after,nav ul a.active::after{right:0}
nav ul a:hover,nav ul a.active{color:var(--secondary)}
.nav-contact{white-space:nowrap}
.mobile-menu{display:none;margin-left:auto;border:0;background:var(--primary);color:#fff;width:44px;height:44px;border-radius:12px;align-items:center;justify-content:center;font-size:20px;cursor:pointer}
.nav-open nav ul{display:flex}

/* Buttons */
.btn,.btn-outline{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 22px;border-radius:999px;text-decoration:none;font-weight:700;transition:transform .25s,box-shadow .25s,background .25s}
.btn{background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;box-shadow:0 10px 24px rgba(0,95,115,.22)}
.btn:hover,.btn-outline:hover{transform:translateY(-3px)}
.btn-outline{border:1.5px solid rgba(10,147,150,.8);color:var(--primary);background:#fff}
.btn-outline:hover{background:var(--secondary);color:#fff}

/* Hero */
.hero{min-height:100vh;padding:125px 4% 70px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(35px,6vw,75px);align-items:center;background:radial-gradient(circle at 90% 10%,rgba(148,210,189,.28),transparent 30%),linear-gradient(135deg,#f7fcfd,#eaf7f7)}
.hero>div{min-width:0}
.hero h4{color:var(--secondary);font-size:.95rem;letter-spacing:.08em;text-transform:uppercase;margin-bottom:12px}
.hero h1{font-size:clamp(2.45rem,5vw,4.4rem);line-height:1.05;letter-spacing:-.045em;color:var(--primary-dark);margin:12px 0 22px}
.hero h1 span{color:var(--secondary)}
.hero p{font-size:clamp(1rem,1.5vw,1.15rem);color:var(--muted);max-width:650px;margin-bottom:28px}
.hero-buttons,.buttons{display:flex;flex-wrap:wrap;gap:13px}
.hero-image img,.hero>div>img{width:100%;border-radius:var(--radius);box-shadow:var(--shadow);object-fit:cover}
.slider{position:relative;width:100%;height:min(58vw,500px);min-height:330px;overflow:hidden;border-radius:var(--radius);box-shadow:0 22px 55px rgba(4,48,61,.18);background:#dceff0}
.slide{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .7s ease}
.slide.active{opacity:1;visibility:visible}
.slide img{width:100%;height:100%;object-fit:cover}
.caption{position:absolute;left:0;right:0;bottom:0;padding:25px 22px 20px;color:#fff;font-weight:600;background:linear-gradient(transparent,rgba(0,0,0,.72))}

/* Sections */
section{padding:88px 4%}
.section{padding:88px 4%}
.title{text-align:center;margin:0 auto 45px;max-width:780px}
.title h2,section h2{font-size:clamp(1.8rem,3.2vw,2.7rem);line-height:1.15;color:var(--primary);margin-bottom:12px}
.title p,section>.center{color:var(--muted)}
.grid,.grid-3,.grid-4,.cards,.about-grid{display:grid;gap:24px;margin-top:35px}
.grid{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.cards{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}
.about-grid{grid-template-columns:repeat(4,1fr)}
.card,.about-grid>div{background:rgba(255,255,255,.96);padding:30px;border:1px solid rgba(0,95,115,.07);border-radius:var(--radius);box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s}
.card:hover,.about-grid>div:hover{transform:translateY(-7px);box-shadow:0 22px 50px rgba(4,48,61,.14)}
.card{text-align:center}
.card i,.about-grid i{display:inline-grid;place-items:center;width:58px;height:58px;border-radius:16px;background:#e5f7f5;color:var(--secondary);font-size:25px;margin-bottom:18px}
.card h3,.about-grid h3{color:var(--primary);margin-bottom:10px;font-size:1.15rem}
.card p,.about-grid p{color:var(--muted)}
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:35px}
.step{padding:28px;border-radius:18px;background:linear-gradient(145deg,var(--primary),var(--secondary));color:#fff;text-align:center}
.step h3{margin-bottom:7px}
.cta{background:linear-gradient(135deg,var(--primary-dark),var(--primary));color:#fff;text-align:center}
.cta h2{color:#fff}
.cta p{max-width:720px;margin:15px auto 28px;color:rgba(255,255,255,.84)}
.cta .btn{background:#fff;color:var(--primary)}

/* Contact */
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;max-width:1050px;margin:35px auto 0}
form{max-width:760px;margin:20px auto 0}
form input,form textarea{width:100%;padding:14px 16px;border:1px solid #d8e4e7;border-radius:12px;font:inherit;background:#fff;margin-bottom:14px}
form input:focus,form textarea:focus{outline:0;border-color:var(--secondary);box-shadow:0 0 0 4px rgba(10,147,150,.1)}
form button{border:0;cursor:pointer}
.card a{color:var(--primary);text-decoration:none;font-weight:700}

/* Footer */
footer{background:#052f3b;color:#dbecef;padding:70px 4% 22px}
.footer-container{width:min(1180px,92%);margin:auto;display:grid;grid-template-columns:1.6fr 1fr 1.2fr 1.25fr 1.25fr;gap:34px}
.footer-logo{width:145px;height:auto;margin-bottom:18px}
.footer-column h3{font-size:1rem;color:#7de0df;margin-bottom:16px}
.footer-column p{color:#b9d0d5;font-size:.92rem;margin-bottom:8px}
.footer-column ul{list-style:none;display:grid;gap:8px}
.footer-column li,.footer-column a{font-size:.9rem;color:#b9d0d5;text-decoration:none}
.footer-column a:hover{color:#fff}
.social-icons{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.social-icons a{padding:7px 11px;border:1px solid rgba(255,255,255,.16);border-radius:999px}
footer hr{border:0;border-top:1px solid rgba(255,255,255,.12);margin:38px auto 20px;width:min(1180px,92%)}
.footer-bottom{width:min(1180px,92%);margin:auto;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;color:#9bb8bf;font-size:.82rem}
.footer-bottom a{color:#fff}

/* Animation */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .65s ease,transform .65s ease}
.reveal.show{opacity:1;transform:none}

/* Top button */
#topBtn{position:fixed;right:20px;bottom:20px;width:46px;height:46px;border:0;border-radius:50%;background:var(--secondary);color:#fff;font-size:20px;cursor:pointer;display:none;place-items:center;box-shadow:0 10px 25px rgba(0,0,0,.2);z-index:900}
#topBtn.show{display:grid}

/* Tablet */
@media(max-width:1100px){
 nav ul{gap:20px}
 .hero{padding-inline:5%}
 .footer-container{grid-template-columns:1.5fr 1fr 1fr 1fr}
 .footer-column:first-child{grid-column:span 4}
 .grid-4,.about-grid{grid-template-columns:repeat(2,1fr)}
 .process{grid-template-columns:repeat(2,1fr)}
}
/* Mobile */
@media(max-width:800px){
 header{background:rgba(255,255,255,.97)}
 nav{min-height:70px}
 .logo img{height:54px;max-width:160px}
 .nav-contact{display:none}
 .mobile-menu{display:flex}
 nav ul{display:none;position:absolute;left:4%;right:4%;top:76px;margin:0;padding:15px;flex-direction:column;align-items:stretch;gap:3px;background:#fff;border-radius:16px;box-shadow:0 18px 45px rgba(0,0,0,.14)}
 nav ul li a{display:block;padding:12px 14px;border-radius:10px}
 nav ul a:hover{background:#effafa}
 nav ul a::after{display:none}
 .hero{min-height:auto;padding:112px 5% 55px;grid-template-columns:1fr;gap:32px;text-align:center}
 .hero p{margin-inline:auto}
 .hero-buttons,.buttons{justify-content:center}
 .slider{height:72vw;min-height:280px;max-height:430px}
 section,.section{padding:65px 5%}
 .grid-4,.grid-3,.about-grid,.contact-grid,.process{grid-template-columns:1fr}
 .footer-container{grid-template-columns:1fr 1fr;gap:28px}
 .footer-column:first-child{grid-column:span 2}
 .footer-bottom{flex-direction:column;text-align:center;align-items:center}
}
@media(max-width:480px){
 .hero h1{font-size:2.35rem}
 .btn,.btn-outline{width:100%;padding:12px 18px}
 .hero-buttons{width:100%}
 .slider{min-height:235px}
 .caption{font-size:.88rem;padding:20px 15px 14px}
 .footer-container{grid-template-columns:1fr}
 .footer-column:first-child{grid-column:auto}
}
@media(prefers-reduced-motion:reduce){
 *,*::before,*::after{scroll-behavior:auto!important;transition:none!important}
 .reveal{opacity:1;transform:none}
}


/* Refined navigation layout */
.site-nav{position:relative;min-height:82px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:32px}
.site-nav .logo{justify-self:start}
.site-nav > ul{justify-self:center;margin:0;gap:34px}
.site-nav .nav-contact{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 18px;border-radius:999px;background:var(--primary);color:#fff;font-family:Poppins,Inter,sans-serif;font-weight:700;text-decoration:none;white-space:nowrap;transition:.25s}
.site-nav .nav-contact:hover{background:var(--secondary);transform:translateY(-2px)}
.site-nav .mobile-menu{display:none}
@media(max-width:900px){.site-nav{grid-template-columns:auto 1fr auto;gap:16px}.site-nav > ul{gap:18px}.site-nav .nav-contact{padding:10px 14px;font-size:.86rem}}
@media(max-width:800px){.site-nav{min-height:70px;grid-template-columns:auto 1fr auto}.site-nav .mobile-menu{display:flex;grid-column:3;grid-row:1;margin:0;z-index:1002}.site-nav .nav-contact{display:none}.site-nav > ul{display:none;position:absolute;left:0;right:0;top:76px;margin:0;padding:10px;background:rgba(255,255,255,.98);border:1px solid rgba(0,95,115,.08);border-radius:16px;box-shadow:0 18px 45px rgba(0,0,0,.14);flex-direction:column;align-items:stretch;gap:4px;z-index:1001}.site-nav > ul.show{display:flex}.site-nav > ul li a{display:flex;align-items:center;padding:13px 15px;border-radius:10px;font-size:.95rem}.site-nav > ul li a.active{background:#e9f7f6;color:var(--secondary)}.site-nav > ul li a.active::after{display:none}body.nav-open{overflow:hidden}}