:root{
  --ink:#17231b;
  --forest:#214a35;
  --forest-dark:#133326;
  --leaf:#5d7f5e;
  --moss:#e8eee8;
  --sand:#f5f1e8;
  --white:#ffffff;
  --line:#d7dfd8;
  --max:1180px;
  --radius:18px;
  --shadow:0 14px 34px rgba(16,49,34,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  color:var(--ink);
  background:#fff;
  font-family:Arial,Helvetica,sans-serif;
  line-height:1.65;
}
img{max-width:100%;display:block}
a{color:var(--forest);text-decoration:none}
a:hover{text-decoration:underline}
.container{width:min(var(--max),calc(100% - 40px));margin:auto}
.skip{position:absolute;left:-9999px;top:0}
.skip:focus{left:18px;top:18px;background:#fff;padding:10px 14px;z-index:9999}
header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;min-height:76px;gap:28px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:.04em;color:var(--forest-dark)}
.brand-mark{
  width:42px;height:42px;border-radius:50%;
  display:grid;place-items:center;
  color:#fff;background:var(--forest);
  font-size:13px;letter-spacing:.08em;
}
.brand small{display:block;font-size:10px;letter-spacing:.12em;font-weight:700;color:#68736c}
nav ul{display:flex;gap:23px;list-style:none;padding:0;margin:0;align-items:center}
nav a{font-size:14px;font-weight:700;color:var(--ink)}
.menu-button{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px 10px;font-size:20px}
.hero{
  min-height:76vh;
  color:white;
  display:flex;align-items:flex-end;
  background:
    linear-gradient(90deg,rgba(9,32,20,.78),rgba(9,32,20,.18)),
    url("../images/sibuyan-panorama.jpg") center/cover no-repeat;
}
.hero-inner{padding:110px 0 84px;max-width:780px}
.eyebrow{text-transform:uppercase;font-size:12px;letter-spacing:.18em;font-weight:800}
.hero h1{font-size:clamp(44px,7vw,88px);line-height:.98;margin:14px 0 22px;letter-spacing:-.04em}
.hero p{font-size:clamp(18px,2vw,24px);max-width:690px;margin:0 0 28px}
.buttons{display:flex;gap:12px;flex-wrap:wrap}
.button{display:inline-block;border-radius:999px;padding:12px 20px;font-weight:800;border:1px solid transparent}
.button.primary{background:#fff;color:var(--forest-dark)}
.button.secondary{border-color:rgba(255,255,255,.6);color:#fff}
.button.dark{background:var(--forest);color:#fff}
.section{padding:82px 0}
.section.alt{background:var(--sand)}
.section.moss{background:var(--moss)}
.section-title{max-width:760px;margin-bottom:36px}
.section-title h1,.section-title h2{font-size:clamp(32px,5vw,54px);line-height:1.05;margin:8px 0 16px;letter-spacing:-.035em;color:var(--forest-dark)}
.section-title p{font-size:18px;color:#536057}
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.grid.two{grid-template-columns:repeat(2,1fr)}
.grid.three{grid-template-columns:repeat(3,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px;box-shadow:var(--shadow)}
.card h3{margin-top:0;color:var(--forest-dark)}
.card p:last-child{margin-bottom:0}
.photo-card{overflow:hidden;padding:0}
.photo-card img{width:100%;height:250px;object-fit:cover}
.photo-card .pad{padding:24px}
.feature{display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center}
.feature img{width:100%;height:430px;object-fit:cover;border-radius:var(--radius)}
.stat{font-size:40px;font-weight:800;color:var(--forest);line-height:1}
.quote{font-size:24px;line-height:1.45;color:var(--forest-dark)}
.logo-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:18px;align-items:center}
.logo-box{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;display:grid;place-items:center;min-height:145px;text-align:center;font-size:12px;font-weight:700}
.logo-box img{max-height:92px;object-fit:contain;margin:auto}
.page-hero{background:var(--forest-dark);color:#fff;padding:90px 0 65px}
.page-hero h1{font-size:clamp(38px,6vw,68px);line-height:1;margin:8px 0 15px;letter-spacing:-.04em}
.page-hero p{font-size:20px;max-width:800px;color:#dfe9e2}
.callout{border-left:5px solid var(--leaf);background:var(--moss);padding:22px 24px;border-radius:0 14px 14px 0}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.gallery img{width:100%;height:240px;object-fit:cover;border-radius:14px}
.contact{display:grid;grid-template-columns:1fr 1fr;gap:38px}
.contact-box{background:var(--forest-dark);color:#fff;padding:36px;border-radius:var(--radius)}
.contact-box a{color:#fff}
footer{background:#101f17;color:#d8e2db;padding:48px 0 28px}
footer a{color:#fff}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px}
.footer-bottom{margin-top:35px;padding-top:18px;border-top:1px solid rgba(255,255,255,.15);font-size:13px}
.small{font-size:13px;color:#68736c}
.breadcrumbs{font-size:13px;margin-bottom:10px;opacity:.8}
.notice{background:#fff7db;border:1px solid #eadb9f;padding:14px 16px;border-radius:12px;font-size:14px}
@media(max-width:900px){
  .menu-button{display:block}
  nav{display:none;position:absolute;top:76px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line)}
  nav.open{display:block}
  nav ul{display:block;padding:14px 20px}
  nav li{padding:8px 0}
  .grid,.grid.three,.grid.two,.logo-grid{grid-template-columns:repeat(2,1fr)}
  .feature,.contact,.footer-grid{grid-template-columns:1fr}
  .hero{min-height:68vh}
}
@media(max-width:600px){
  .container{width:min(100% - 26px,var(--max))}
  .grid,.grid.three,.grid.two,.logo-grid,.gallery{grid-template-columns:1fr}
  .section{padding:58px 0}
  .feature img{height:300px}
  .gallery img{height:auto}
  .hero-inner{padding:90px 0 55px}
}