/* ═══════════════════════════════════════════════════════════════
   D.I.S GERMANY GMBH — SHARED STYLESHEET
   Design System: Light Precision Industrial
   Fonts: DM Serif Display · DM Sans · IBM Plex Mono
═══════════════════════════════════════════════════════════════ */

/* ─── VARIABLES ─── */
:root {
  --white:      #ffffff;
  --off:        #f6f5f1;
  --stone:      #edecea;
  --border:     #dddbd3;
  --border2:    #c8c5bb;
  --ink:        #18191c;
  --ink2:       #2d2f34;
  --muted:      #696b72;
  --blue:       #1254a0;
  --blue-lt:    #1c70d2;
  --blue-pale:  #e8f1fb;
  --amber:      #b8680e;
  --amber-lt:   #d4801a;
  --amber-pale: #fdf3e7;
  --nav-h:      68px;
}

/* ─── RESET ─── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'DM Sans', sans-serif;
  background: var(--white);
  color: var(--ink);
  line-height: 1.65;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { text-decoration: none; }

/* ─── CSS-ONLY ANIMATIONS (no JS required) ─── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: none; }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
.fade       { animation: fadeUp 0.65s ease both; }
.fade-d1    { animation: fadeUp 0.65s 0.08s ease both; }
.fade-d2    { animation: fadeUp 0.65s 0.16s ease both; }
.fade-d3    { animation: fadeUp 0.65s 0.24s ease both; }
.fade-d4    { animation: fadeUp 0.65s 0.32s ease both; }
.fade-d5    { animation: fadeUp 0.65s 0.40s ease both; }

/* ─── NAV ─── */
.site-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 3.5rem;
  background: rgba(255,255,255,0.97);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(8px);
}
.nav-logo { display: flex; align-items: center; }
.nav-logo img { height: 34px; }
.nav-logo-text {
  font-family: 'DM Sans', sans-serif;
  font-weight: 600; font-size: 1rem;
  letter-spacing: 0.06em; color: var(--ink);
  display: none;
}
.nav-links {
  display: flex; align-items: center; gap: 2rem;
  list-style: none;
}
.nav-links a {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.63rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--muted); transition: color 0.2s;
}
.nav-links a:hover,
.nav-links a.active { color: var(--ink); }
.nav-links a.active { color: var(--blue); }
.nav-cta {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.63rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--white); background: var(--blue);
  padding: 0.55rem 1.4rem; transition: background 0.2s;
}
.nav-cta:hover { background: var(--blue-lt); }

/* ─── PAGE HERO (inner pages — not full-screen video) ─── */
.page-hero {
  position: relative;
  height: 480px;
  display: flex; align-items: flex-end;
  padding: 0 3.5rem 4rem;
  overflow: hidden;
  margin-top: var(--nav-h);
}
.page-hero img {
  position: absolute; inset: 0; z-index: 0;
  width: 100%; height: 100%; object-fit: cover;
}
.page-hero-shade {
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(
    170deg,
    rgba(10,13,20,0.12) 0%,
    rgba(10,13,20,0.50) 55%,
    rgba(10,13,20,0.82) 100%
  );
}
.page-hero-content {
  position: relative; z-index: 2; max-width: 720px;
}
.page-hero-eyebrow {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.6rem; letter-spacing: 0.26em; text-transform: uppercase;
  color: rgba(255,255,255,0.55); margin-bottom: 1rem;
  display: flex; align-items: center; gap: 1rem;
}
.page-hero-eyebrow::before {
  content: ''; display: block; width: 28px; height: 1px; background: var(--amber-lt);
}
.page-hero h1 {
  font-family: 'DM Serif Display', serif;
  font-weight: 400;
  font-size: clamp(2.2rem, 4vw, 3.6rem);
  line-height: 1.08; color: #fff;
  margin-bottom: 1rem;
}
.page-hero-sub {
  font-size: 0.95rem; font-weight: 300;
  color: rgba(255,255,255,0.7);
  line-height: 1.75; max-width: 520px;
}

/* ─── SHARED SECTION STYLES ─── */
.sec { padding: 6rem 3.5rem; }
.sec-sm { padding: 4rem 3.5rem; }
.sec-off { background: var(--off); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.sec-ink { background: var(--ink); }

.tag {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.58rem; letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--blue); margin-bottom: 0.6rem; display: block;
}
.tag-amber { color: var(--amber-lt); }

h2 {
  font-family: 'DM Serif Display', serif;
  font-weight: 400; font-size: clamp(1.8rem, 3vw, 2.75rem);
  line-height: 1.12; margin-bottom: 1rem;
}
h3 {
  font-family: 'DM Serif Display', serif;
  font-weight: 400; font-size: clamp(1.2rem, 2vw, 1.6rem);
  line-height: 1.2; margin-bottom: 0.6rem;
}
.lead {
  font-size: 1rem; font-weight: 300; color: var(--muted);
  line-height: 1.85; max-width: 640px;
}
.body-text {
  font-size: 0.9rem; font-weight: 300; color: var(--muted); line-height: 1.85;
}
.body-text strong { color: var(--ink); font-weight: 500; }
.body-text + .body-text { margin-top: 0.85rem; }

/* ─── BUTTONS ─── */
.btn-blue {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.66rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--white); background: var(--blue);
  padding: 0.88rem 1.75rem; display: inline-block;
  transition: background 0.2s;
}
.btn-blue:hover { background: var(--blue-lt); }

.btn-amber {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.66rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink); background: var(--amber-lt);
  padding: 0.88rem 1.75rem; display: inline-block;
  transition: background 0.2s;
}
.btn-amber:hover { background: #c4780e; color: #fff; }

.btn-outline {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.66rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink2); border: 1px solid var(--border2);
  padding: 0.75rem 1.5rem; display: inline-block;
  transition: all 0.2s;
}
.btn-outline:hover { background: var(--blue); color: var(--white); border-color: var(--blue); }

/* ─── PHOTO FRAME ─── */
.photo-frame { position: relative; overflow: hidden; }
.photo-frame img { width: 100%; object-fit: cover; transition: transform 0.55s ease; }
.photo-frame:hover img { transform: scale(1.03); }

/* ─── PHOTO CAPTION BAR ─── */
.photo-caption {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: rgba(18,84,160,0.92);
  padding: 0.9rem 1.5rem;
  display: flex; align-items: center; justify-content: space-between;
}
.photo-caption span {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.58rem; letter-spacing: 0.16em; text-transform: uppercase;
  color: rgba(255,255,255,0.75);
}
.photo-caption a {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.58rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--amber-lt); transition: color 0.2s;
}
.photo-caption a:hover { color: #fff; }

/* ─── RULE ─── */
.rule { height: 1px; background: var(--border); margin: 0 3.5rem; }

/* ─── GRID UTILITIES ─── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center; }
.grid-2-eq { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; }
.grid-5 { display: grid; grid-template-columns: repeat(5,1fr); gap: 1px; border: 1px solid var(--border); }

/* ─── CTA BAND ─── */
.cta-band {
  background: var(--blue);
  padding: 4rem 3.5rem;
  display: flex; align-items: center; justify-content: space-between; gap: 2rem;
}
.cta-band h2 { color: #fff; margin-bottom: 0.5rem; }
.cta-band p { color: rgba(255,255,255,0.65); font-size: 0.9rem; font-weight: 300; }
.btn-white {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.66rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--blue); background: var(--white);
  padding: 0.88rem 1.75rem; white-space: nowrap; display: inline-block;
  transition: background 0.2s;
}
.btn-white:hover { background: var(--off); }

/* ─── FOOTER ─── */
.site-footer { background: var(--ink); }
.footer-body {
  display: grid; grid-template-columns: 1.5fr 1fr 1fr;
  gap: 4rem; padding: 5rem 3.5rem 4rem;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}
.f-logo { height: 38px; display: block; margin-bottom: 1.5rem; filter: brightness(0) invert(1); }
.f-desc {
  font-size: 0.85rem; font-weight: 300;
  color: rgba(255,255,255,0.45); line-height: 1.8; margin-bottom: 1.5rem;
}
.f-socials { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.f-social {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.55rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: rgba(255,255,255,0.45); border: 1px solid rgba(255,255,255,0.1);
  padding: 0.4rem 0.7rem; transition: all 0.2s;
}
.f-social:hover { color: var(--white); border-color: rgba(255,255,255,0.35); }
.f-col h4 {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.58rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: rgba(255,255,255,0.35); margin-bottom: 1.5rem;
}
.f-col ul { list-style: none; display: flex; flex-direction: column; gap: 0.55rem; }
.f-col ul a {
  font-size: 0.85rem; font-weight: 300;
  color: rgba(255,255,255,0.55); transition: color 0.2s;
}
.f-col ul a:hover { color: var(--white); }
.f-addr {
  font-style: normal; font-size: 0.85rem; font-weight: 300;
  color: rgba(255,255,255,0.5); line-height: 1.9;
}
.f-addr a { color: #e8941f; }
.f-addr a:hover { color: #f0a030; }
.footer-bottom {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.75rem 3.5rem; flex-wrap: wrap; gap: 1rem;
}
.f-copy {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.56rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: rgba(255,255,255,0.27);
}
.f-legal { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.f-legal a {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.56rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: rgba(255,255,255,0.27); transition: color 0.2s;
}
.f-legal a:hover { color: rgba(255,255,255,0.7); }
.ss-logo { height: 26px; filter: brightness(0.5); transition: filter 0.2s; }
.ss-logo:hover { filter: brightness(0.85); }

/* ─── RESPONSIVE ─── */
@media (max-width: 960px) {
  .site-nav { padding: 0 1.5rem; }
  .nav-links { display: none; }
  .page-hero { padding: 0 1.5rem 3rem; height: 360px; }
  .sec, .sec-sm { padding: 4rem 1.5rem; }
  .cta-band { flex-direction: column; align-items: flex-start; padding: 3rem 1.5rem; }
  .grid-2 { grid-template-columns: 1fr; gap: 2.5rem; }
  .grid-2-eq { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-5 { grid-template-columns: 1fr 1fr; }
  .footer-body { grid-template-columns: 1fr; gap: 2.5rem; padding: 3.5rem 1.5rem; }
  .footer-bottom { flex-direction: column; padding: 1.5rem; }
  .rule { margin: 0 1.5rem; }
}