/* ===== Werth Systeme — Technical Blueprint Theme ===== */
:root{
  --ink:#EDEFEC;
  --ink-dim:#9BA8A6;
  --bg:#101615;
  --surface:#161D1C;
  --line:#2A3432;
  --line-strong:#3C4A47;
  --blue:#50A9CE;
  --copper:#F07E31;
  --copper-light:#F5A166;

  --radius:2px;
  --ff-head:'Fraunces', Georgia, serif;
  --ff-accent:'Young Serif', Georgia, serif;
  --ff-body:'IBM Plex Sans', system-ui, sans-serif;
  --ff-mono:'IBM Plex Mono', ui-monospace, monospace;

  --space-1:8px; --space-2:16px; --space-3:24px; --space-4:32px;
  --space-5:48px; --space-6:64px; --space-7:96px;
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--ff-body);
  background:var(--bg);
  color:var(--ink);
  overflow-x:hidden;
  font-size:16px;
  line-height:1.5;
}
img,video{max-width:100%;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}
.container{max-width:1180px;margin:0 auto;padding:0 32px;}
.mono{font-family:var(--ff-mono);font-size:.78rem;letter-spacing:.04em;color:var(--ink-dim);}

/* Faint technical grid across the whole page */
.grid-overlay{
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(92,157,199,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(92,157,199,0.05) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(180deg, black, transparent 85%);
}

/* ---- Navbar ---- */
.navbar-container{position:fixed;top:0;left:0;right:0;z-index:100;padding:14px 24px 0;}
.navbar{
  max-width:1180px;margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 28px;
  border-radius:14px;
  background:linear-gradient(180deg, rgba(255,255,255,0.10), rgba(255,255,255,0.02) 40%, rgba(16,22,21,0.12));
  backdrop-filter:blur(18px) saturate(160%);
  -webkit-backdrop-filter:blur(18px) saturate(160%);
  border:1px solid rgba(255,255,255,0.12);
  border-top-color:rgba(255,255,255,0.22);
  box-shadow:0 8px 32px rgba(0,0,0,0.28), inset 0 1px 0 rgba(255,255,255,0.15);
}
.navbar-brand{display:flex;align-items:center;}
.logo-img{height:30px;width:auto;display:block;}

.navbar-nav{display:flex;align-items:center;gap:2px;}
.nav-link{
  display:flex;align-items:center;padding:10px 16px;
  font-size:.9rem;font-weight:500;color:var(--ink-dim);
  border-bottom:1px solid transparent;
  transition:color .15s ease, border-color .15s ease;
}
.nav-link:hover,.nav-link.active{color:var(--ink);border-color:var(--copper);}
.cta-button{
  margin-left:14px;padding:10px 20px;border-radius:var(--radius);font-weight:600;font-size:.86rem;
  background:var(--copper);color:#181008;
  transition:background .15s ease;
}
.cta-button:hover{background:var(--copper-light);}

.mobile-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px;}
.hamburger{width:22px;height:16px;position:relative;}
.hamburger span{position:absolute;left:0;width:100%;height:1.5px;background:var(--ink);}
.hamburger span:nth-child(1){top:0;}
.hamburger span:nth-child(2){top:7px;}
.hamburger span:nth-child(3){top:14px;}

.mobile-menu-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.6);z-index:150;opacity:0;pointer-events:none;transition:.2s;}
.mobile-menu-overlay.active{opacity:1;pointer-events:auto;}
.mobile-menu{
  position:fixed;top:0;right:-100%;width:min(340px,85vw);height:100%;z-index:160;
  background:var(--surface);border-left:1px solid var(--line);
  padding:24px;transition:right .3s ease;display:flex;flex-direction:column;
}
.mobile-menu.active{right:0;}
.mobile-menu-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:32px;}
.mobile-menu-brand{font-family:var(--ff-head);font-weight:600;font-size:1.05rem;}
.mobile-menu-header .logo-img{height:26px;}
.mobile-menu-close{background:none;border:none;color:var(--ink);font-size:1.8rem;cursor:pointer;line-height:1;}
.mobile-menu-nav{display:flex;flex-direction:column;}
.mobile-menu-link{display:block;padding:16px 4px;color:var(--ink-dim);font-weight:500;border-bottom:1px solid var(--line);}
.mobile-menu-link.active,.mobile-menu-link:hover{color:var(--copper);}
.mobile-cta{margin-top:auto;}
.mobile-cta-button{display:block;text-align:center;padding:14px;border-radius:var(--radius);font-weight:600;
  background:var(--copper);color:#181008;}

/* ---- Hero ---- */
.hero{position:relative;min-height:100vh;display:flex;align-items:flex-end;overflow:hidden;}
.hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;filter:saturate(0.85) contrast(1.05);}
.hero-overlay{
  position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg, rgba(16,22,21,0.35) 0%, rgba(16,22,21,0.55) 55%, var(--bg) 100%);
}

.frame-mark{position:absolute;width:28px;height:28px;z-index:2;opacity:.8;}
.frame-mark::before,.frame-mark::after{content:'';position:absolute;background:var(--copper);}
.fm-tl{top:100px;left:24px;}
.fm-tr{top:100px;right:24px;}
.fm-bl{bottom:200px;left:24px;}
.fm-br{bottom:200px;right:24px;}
.fm-tl::before,.fm-bl::before{top:0;bottom:0;left:0;width:1.5px;}
.fm-tl::after,.fm-tr::after{top:0;left:0;right:0;height:1.5px;}
.fm-tr::before,.fm-br::before{top:0;bottom:0;right:0;width:1.5px;}
.fm-bl::after,.fm-br::after{bottom:0;left:0;right:0;height:1.5px;}
.fm-tl::before{left:0;}.fm-tl::after{left:0;width:28px;}
.fm-tr::before{right:0;}.fm-tr::after{right:0;width:28px;}
.fm-bl::before{left:0;}.fm-bl::after{left:0;width:28px;}
.fm-br::before{right:0;}.fm-br::after{right:0;width:28px;}

.hero-content{position:relative;z-index:2;max-width:680px;padding:0 32px 120px;}
.hero-index{display:flex;align-items:center;gap:14px;margin-bottom:26px;}
.hero-index-line{width:40px;height:1px;background:var(--copper);}
.hero h1{
  font-family:var(--ff-head);font-weight:600;font-size:clamp(2.6rem,6vw,4.4rem);
  line-height:1.05;margin-bottom:24px;color:var(--ink);
}
.hero h1 em{font-style:italic;color:var(--copper-light);font-weight:500;}
.hero-sub{color:var(--ink-dim);font-size:1.05rem;line-height:1.65;margin-bottom:36px;max-width:560px;}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;align-items:center;}

.btn{padding:14px 26px;border-radius:var(--radius);font-weight:600;font-size:.92rem;transition:.15s ease;display:inline-flex;align-items:center;gap:8px;}
.btn-primary{background:var(--copper);color:#181008;}
.btn-primary:hover{background:var(--copper-light);}
.btn-line{border:1px solid var(--line-strong);color:var(--ink);}
.btn-line:hover{border-color:var(--copper);color:var(--copper-light);}
.arrow{transition:transform .15s ease;}
.btn:hover .arrow{transform:translateX(3px);}

.hero-meta{position:absolute;bottom:28px;left:0;right:0;z-index:2;display:flex;justify-content:space-between;padding:0 32px;}
.scroll-word{position:relative;padding-right:26px;}
.scroll-word::after{content:'';position:absolute;right:0;top:2px;width:14px;height:14px;border-right:1px solid var(--copper);border-bottom:1px solid var(--copper);transform:rotate(45deg);}

/* ---- Sections ---- */
.section{position:relative;z-index:1;padding:var(--space-7) 0;border-top:1px solid var(--line);}
.section-head{max-width:680px;margin-bottom:var(--space-5);display:flex;flex-direction:column;gap:10px;}
.tag{font-family:var(--ff-accent);color:var(--copper-light);font-weight:400;font-size:.98rem;letter-spacing:.01em;text-transform:none;font-style:normal;}
.section-head h2,.about-body h2{font-family:var(--ff-head);font-weight:600;font-size:clamp(1.7rem,3.2vw,2.5rem);line-height:1.25;color:var(--ink);}

/* About */
.about-layout{display:grid;grid-template-columns:200px 1fr;gap:var(--space-5);}
.about-index{display:flex;flex-direction:column;gap:10px;padding-top:6px;}
.about-body h2{margin-bottom:22px;max-width:560px;}
.about-lead{max-width:620px;color:var(--ink-dim);font-size:1.02rem;line-height:1.7;margin-bottom:var(--space-5);}
.about-rows{border-top:1px solid var(--line);}
.about-row{
  display:grid;grid-template-columns:56px 200px 1fr;align-items:start;gap:var(--space-3);
  padding:var(--space-3) 0;border-bottom:1px solid var(--line);
}
.about-row-num{padding-top:4px;}
.about-row h3{font-family:var(--ff-head);font-weight:600;font-size:1.05rem;}
.about-row p{color:var(--ink-dim);font-size:.94rem;line-height:1.6;}

/* Services */
.section-services{background:var(--surface);}
.service-list{border-top:1px solid var(--line);}
.service-row{
  display:grid;grid-template-columns:64px 240px 1fr;align-items:start;gap:var(--space-3);
  padding:var(--space-4) 0;border-bottom:1px solid var(--line);
  border-left:2px solid transparent;padding-left:var(--space-3);margin-left:calc(var(--space-3) * -1);
  transition:border-color .2s ease, background .2s ease;
}
.service-row:hover{border-left-color:var(--copper);background:rgba(201,123,61,0.05);}
.service-num{padding-top:6px;font-size:.85rem;}
.service-row h3{font-family:var(--ff-head);font-weight:600;font-size:1.2rem;}
.service-row p{color:var(--ink-dim);font-size:.95rem;line-height:1.6;max-width:520px;}

/* Portfolio */
.gallery-grid{
  display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:200px;gap:2px;
  margin-bottom:var(--space-5);
}
.gallery-item{position:relative;overflow:hidden;background:var(--surface);grid-column:span 1;grid-row:span 1;}
.gallery-item.span-wide{grid-column:span 2;}
.gallery-item.span-tall{grid-row:span 2;}
.gallery-item img{
  width:100%;height:100%;object-fit:cover;display:block;
  filter:grayscale(0.15) contrast(1.02);
  transition:transform .5s ease, filter .5s ease;
}
.gallery-item:hover img{transform:scale(1.04);filter:grayscale(0) contrast(1.05);}
.gallery-item figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:14px 16px;
  display:flex;align-items:center;gap:10px;
  background:linear-gradient(0deg, rgba(16,22,21,0.92), transparent);
  color:var(--ink);font-size:.84rem;font-weight:500;
  opacity:0;transform:translateY(6px);transition:opacity .25s ease, transform .25s ease;
}
.gallery-item:hover figcaption{opacity:1;transform:translateY(0);}
.gallery-item figcaption .mono{color:var(--copper-light);}

.portfolio-note{border-top:1px solid var(--line);padding-top:var(--space-4);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:var(--space-3);}
.portfolio-note p{color:var(--ink-dim);line-height:1.6;max-width:520px;}

@media (max-width:900px){
  .gallery-grid{grid-template-columns:repeat(2,1fr);grid-auto-rows:180px;}
  .gallery-item figcaption{opacity:1;transform:none;}
}
@media (max-width:560px){
  .gallery-grid{grid-template-columns:1fr;}
  .gallery-item.span-wide,.gallery-item.span-tall{grid-column:span 1;grid-row:span 1;}
}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:var(--space-6);align-items:start;}
.contact-info h2{font-family:var(--ff-head);font-weight:600;font-size:clamp(1.7rem,3vw,2.2rem);margin:14px 0 18px;}
.contact-info p{color:var(--ink-dim);line-height:1.7;margin-bottom:var(--space-4);max-width:420px;}
.contact-list{display:flex;flex-direction:column;border-top:1px solid var(--line);}
.contact-list li{display:flex;justify-content:space-between;gap:16px;padding:16px 0;border-bottom:1px solid var(--line);}
.contact-list strong{color:var(--ink);font-weight:500;}

.form-row{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-3);}
.form-group{margin-bottom:var(--space-3);}
.form-label{display:block;font-size:.82rem;color:var(--ink-dim);margin-bottom:8px;font-family:var(--ff-mono);}
.form-input,.form-textarea{
  width:100%;padding:12px 2px;border-radius:0;
  background:transparent;border:none;border-bottom:1px solid var(--line-strong);
  color:var(--ink);font-family:var(--ff-body);font-size:.98rem;transition:border-color .15s;
}
.form-input:focus,.form-textarea:focus{outline:none;border-color:var(--copper);}
.form-input::placeholder,.form-textarea::placeholder{color:#5C6B68;}
.form-textarea{min-height:110px;resize:vertical;}
.submit-btn{
  padding:14px 28px;border:none;border-radius:var(--radius);cursor:pointer;font-weight:600;font-size:.95rem;
  background:var(--copper);color:#181008;transition:background .15s;display:inline-flex;align-items:center;gap:8px;
}
.submit-btn:hover{background:var(--copper-light);}

/* Footer */
.footer{position:relative;z-index:1;padding:var(--space-5) 32px var(--space-3);border-top:1px solid var(--line);}
.footer-content{max-width:1180px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:var(--space-3);margin-bottom:var(--space-3);}
.footer-logo-img{height:24px;}
.footer-links{display:flex;gap:var(--space-3);flex-wrap:wrap;}
.footer-link{color:var(--ink-dim);font-size:.9rem;}
.footer-link:hover{color:var(--copper-light);}
.footer-copy{max-width:1180px;margin:0 auto;text-align:left;opacity:.7;}

/* ---- Responsive ---- */
@media (max-width:960px){
  .navbar-nav{display:none;}
  .mobile-toggle{display:block;}
  .about-layout{grid-template-columns:1fr;}
  .about-row,.service-row{grid-template-columns:44px 1fr;}
  .about-row h3,.service-row h3{grid-column:2;}
  .about-row p,.service-row p{grid-column:2;}
  .contact-grid{grid-template-columns:1fr;gap:var(--space-5);}
  .frame-mark{display:none;}
}
@media (max-width:560px){
  .form-row{grid-template-columns:1fr;}
  .section{padding:var(--space-6) 0;}
  .hero-meta{flex-direction:column;gap:8px;}
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;}
}