/* ===== Silver Oak — Light Industrial (Oswald + Source Sans 3) =====
   - Mostly white UI
   - Ultra-soft hero (video or static image)
   - 4px radius, clear section borders
===================================================================== */
:root{
  /* Neutral */
  --neutral-100:#ffffff;
  --neutral-200:#f7f9f8;
  --neutral-300:#eceeec;
  --neutral-400:#dee2df;

  /* Brand (soft green) */
  --brand-100:#eafaf0;
  --brand-200:#c8f0d6;
  --brand-300:#a3e3b9; /* primary */
  --brand-400:#7fd79b; /* hover */

  /* Semantics */
  --bg: var(--neutral-100);
  --text:#191f1a;
  --text-dim:#5a665f;
  --line:#e6e9e7;
  --card:var(--neutral-100);
  --muted:var(--neutral-200);
  --brand:var(--brand-300);
  --radius:4px;
  --shadow:0 2px 10px rgba(0,0,0,.06);
}

/* Base */
*{box-sizing:border-box}
html,body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:'Source Sans 3',system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  line-height:1.6;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{margin:0;font-family:'Oswald',Impact,Arial Narrow,sans-serif;letter-spacing:.2px}
h1{font-size:clamp(32px,5vw,54px);font-weight:700}
h2{font-size:clamp(26px,3.2vw,38px);font-weight:700}
h3{font-size:20px;font-weight:500}
p{margin:0 0 12px}
.dim{color:var(--text-dim)}
.center{text-align:center}

/* Layout */
.container{width:100%;max-width:1140px;margin:0 auto;padding:0 24px}
.section{
  background:var(--neutral-100);
  padding:clamp(48px,7vw,88px) 0;
  border-top:1px solid var(--line);
}
.section:first-of-type{border-top:none}
.stack{display:flex;flex-direction:column}
.gap-12{gap:12px}
.mt-8{margin-top:8px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}.mt-32{margin-top:32px}
.mb-16{margin-bottom:16px}

/* Grids */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media(max-width:991px){.grid-3{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.grid-2,.grid-3{grid-template-columns:1fr}}

/* Header */
.header-section{
  position:sticky;top:0;z-index:50;
  background:var(--neutral-100);
  backdrop-filter:saturate(1.1) blur(6px);
  border-bottom:1px solid var(--line);
}
.navbar{display:flex;align-items:center;justify-content:space-between;padding:12px 0}
.brand-wrap{display:flex;align-items:center;gap:10px}
.brand-logo{width:36px;height:36px;object-fit:contain;border-radius:var(--radius)}
.brand-name{font-weight:700;letter-spacing:.3px;font-family:'Oswald',Impact,Arial Narrow,sans-serif}
.nav-links{display:flex;gap:18px;align-items:center}
.nav-links a{color:var(--text-dim);font-weight:600}
.nav-links a:hover{color:var(--text)}
.nav-cta{
  padding:10px 16px;border-radius:var(--radius);
  background:var(--brand); color:#0e140f; font-weight:700;
  border:1px solid var(--brand-200); box-shadow:var(--shadow);
}
.nav-cta:hover{background:var(--brand-400)}
.menu-button{
  display:none;align-items:center;gap:8px;background:var(--neutral-100);
  border:1px solid var(--line); color:var(--text);
  padding:8px 10px; border-radius:var(--radius)
}
.menu-icon{width:18px;height:2px;background:var(--text);position:relative;display:inline-block}
.menu-icon:before,.menu-icon:after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text)}
.menu-icon:before{top:-6px}.menu-icon:after{top:6px}
@media(max-width:820px){
  .nav-links{display:none}
  .menu-button{display:inline-flex}
  .nav-links.open{
    display:flex; position:absolute; top:60px; right:24px; flex-direction:column; gap:10px;
    background:var(--neutral-100); border:1px solid var(--line);
    padding:12px; border-radius:var(--radius); box-shadow:var(--shadow);
  }
}

/* Hero: ultra-soft video OR static image */
.section--hero{background:var(--neutral-100)}
.hero-section{position:relative;min-height:66vh;display:flex;align-items:center;overflow:hidden}
.hero-video{position:absolute;inset:0;z-index:0}
.hero-video video{width:100%;height:100%;object-fit:cover;opacity:.08;filter:grayscale(30%) brightness(112%)}
.hero-overlay{position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,rgba(255,255,255,.45),rgba(255,255,255,.9))}
.hero-content{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:28px}
@media(max-width:991px){.hero-content{grid-template-columns:1fr}}
.hero-kicker{color:#2b7a4b;background:var(--brand-100);border:1px solid var(--brand-200);
  display:inline-block;padding:6px 10px;border-radius:var(--radius);font-weight:700;font-size:12px;letter-spacing:.4px;text-transform:uppercase}
.hero-actions{display:flex;gap:12px;margin-top:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 14px;border-radius:var(--radius);font-weight:700;border:1px solid var(--line);background:var(--neutral-100);color:var(--text);box-shadow:var(--shadow)}
.btn.primary{background:var(--brand);border-color:var(--brand-200);color:#0e140f}
.btn.primary:hover{background:var(--brand-400)}
.btn.ghost{background:transparent}

/* Static hero image mode */
.hero--static .hero-video{display:none}
.hero--static{background-image:url('images/hero-static.jpg');background-size:cover;background-position:center}
.hero--static .hero-overlay{background:linear-gradient(180deg,rgba(255,255,255,.6),rgba(255,255,255,.95))}

/* About */
.section--about{background:var(--neutral-100)}
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:center}
@media(max-width:991px){.about-grid{grid-template-columns:1fr}}
.bullet-list{margin:0;padding-left:18px}
.thumb{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}

/* Services */
.section--services{background:var(--neutral-100)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);transition:transform .15s ease, box-shadow .15s ease, border-color .15s ease}
.card:hover{transform:translateY(-2px);box-shadow:0 6px 18px rgba(0,0,0,.08);border-color:var(--neutral-400)}
.card h3{margin-top:4px}

/* Projects */
.section--projects{background:var(--neutral-100)}
.projects-head{display:flex;align-items:center;justify-content:space-between;gap:10px}
@media(max-width:640px){.projects-head{flex-direction:column;align-items:flex-start}}
.proj-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.proj-body{padding:14px}
.ratio-16x9{position:relative;padding-top:56.25%}
.ratio-16x9 img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}

/* Contact */
.section--contact{background:var(--neutral-100)}
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:22px}
@media(max-width:991px){.contact-grid{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;gap:6px}
.field input,.field textarea{background:var(--neutral-100);color:var(--text);border:1px solid var(--line);border-radius:var(--radius);padding:10px 12px;outline:none}
.field input:focus,.field textarea:focus{border-color:var(--brand-300);box-shadow:0 0 0 3px rgba(163,227,185,.25)}

/* Footer */
.footer-section{background:var(--neutral-100);border-top:1px solid var(--line)}
.footer-inner{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:22px}
@media(max-width:900px){.footer-inner{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.footer-inner{grid-template-columns:1fr}}
.footer-small{opacity:.8;font-size:13px}
.link-list{list-style:none;padding:0;margin:0}
.link-list li{margin-bottom:8px}
.tiny{font-size:12px}