/* DSG Mechatronic Lab – Main Stylesheet
   ВФ ГРУП СЕРВИС ДООЕЛ, Скопје
   ================================================ */

:root {
  --red: #e8001d;
  --red-dark: #b0001a;
  --black: #0a0a0a;
  --black-2: #111111;
  --black-3: #1a1a1a;
  --grey: #2a2a2a;
  --border: #2e2e2e;
  --text: #f0f0f0;
  --text-dim: #888;
  --font-display: 'Barlow Condensed', sans-serif;
  --font-body: 'Barlow', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--black);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  overflow-x: hidden;
}

/* SCROLLBAR */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--black-2); }
::-webkit-scrollbar-thumb { background: var(--red); border-radius: 2px; }

/* ── NAV ── */
#site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  height: 70px;
  background: rgba(10,10,10,0.95);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(10px);
}
.nav-logo {
  display: flex; align-items: center; gap: 12px; text-decoration: none;
}
.nav-logo-icon {
  width: 38px; height: 38px;
  background: var(--red);
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.nav-logo-icon svg { width: 20px; height: 20px; fill: white; }
.nav-logo-text {
  font-family: var(--font-display);
  font-weight: 700; font-size: 1rem;
  letter-spacing: 0.06em; color: var(--text);
  text-transform: uppercase; line-height: 1.2;
}
.nav-logo-text span { color: var(--red); }
.nav-links { display: flex; align-items: center; gap: 36px; list-style: none; }
.nav-links a {
  text-decoration: none; color: var(--text-dim);
  font-size: 0.78rem; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--red); }
.nav-cta {
  background: var(--red) !important; color: white !important;
  padding: 8px 20px; border-radius: 2px; font-size: 0.75rem !important;
}
.nav-cta:hover { background: var(--red-dark) !important; }
.nav-hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.nav-hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--text); border-radius: 2px; transition: all 0.3s;
}

/* MOBILE MENU */
.mobile-menu {
  display: none; position: fixed; top: 70px; left: 0; right: 0;
  background: rgba(10,10,10,0.98); border-bottom: 1px solid var(--border);
  z-index: 99; padding: 20px 40px; backdrop-filter: blur(10px);
}
.mobile-menu.open { display: block; }
.mobile-menu ul { list-style: none; display: flex; flex-direction: column; gap: 16px; }
.mobile-menu a {
  color: var(--text); text-decoration: none; font-family: var(--font-display);
  font-weight: 700; font-size: 1.2rem; letter-spacing: 0.1em; text-transform: uppercase;
  transition: color 0.2s;
}
.mobile-menu a:hover { color: var(--red); }

/* ── HERO ── */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center;
  overflow: hidden; padding-top: 70px;
}
.hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 70% 50%, rgba(232,0,29,0.08) 0%, transparent 70%),
    repeating-linear-gradient(0deg, transparent, transparent 49px, rgba(255,255,255,0.02) 49px, rgba(255,255,255,0.02) 50px),
    repeating-linear-gradient(90deg, transparent, transparent 49px, rgba(255,255,255,0.02) 49px, rgba(255,255,255,0.02) 50px),
    var(--black-2);
}
.hero-bg::before {
  content: '';
  position: absolute; right: -100px; top: 50%; transform: translateY(-50%);
  width: 700px; height: 700px;
  background: conic-gradient(from 0deg, transparent 0deg, rgba(232,0,29,0.04) 30deg, transparent 60deg, transparent 90deg, rgba(232,0,29,0.04) 120deg, transparent 150deg, transparent 180deg, rgba(232,0,29,0.04) 210deg, transparent 240deg, transparent 270deg, rgba(232,0,29,0.04) 300deg, transparent 330deg, transparent 360deg);
  border-radius: 50%; animation: rotate 30s linear infinite;
}
@keyframes rotate { to { transform: translateY(-50%) rotate(360deg); } }
.hero-content {
  position: relative; z-index: 1;
  max-width: 1200px; margin: 0 auto; padding: 0 40px; width: 100%;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(232,0,29,0.1); border: 1px solid rgba(232,0,29,0.3);
  padding: 6px 16px; font-size: 0.7rem; font-weight: 600;
  letter-spacing: 0.15em; text-transform: uppercase; color: var(--red);
  border-radius: 2px; margin-bottom: 28px;
  animation: fadeUp 0.6s ease both;
}
.hero-badge::before {
  content: ''; width: 6px; height: 6px; background: var(--red);
  border-radius: 50%; animation: pulse 1.5s ease infinite;
}
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:0.4;transform:scale(1.5)} }
.hero-title {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(3.5rem, 8vw, 7.5rem);
  line-height: 0.92; text-transform: uppercase;
  letter-spacing: -0.01em; margin-bottom: 12px;
  animation: fadeUp 0.6s ease 0.1s both;
}
.hero-title-line2 { color: var(--red); display: block; }
.hero-subtitle {
  font-family: var(--font-display); font-weight: 400;
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
  color: var(--text-dim); letter-spacing: 0.15em;
  text-transform: uppercase; margin-bottom: 40px;
  animation: fadeUp 0.6s ease 0.2s both;
}
.hero-desc {
  font-size: 1.05rem; color: #aaa; max-width: 540px;
  margin-bottom: 48px; line-height: 1.7;
  animation: fadeUp 0.6s ease 0.3s both;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; animation: fadeUp 0.6s ease 0.4s both; }
.btn-primary {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--red); color: white; text-decoration: none;
  font-family: var(--font-display); font-weight: 700; font-size: 0.85rem;
  letter-spacing: 0.12em; text-transform: uppercase;
  padding: 16px 32px; border-radius: 2px; transition: background 0.2s, transform 0.2s;
}
.btn-primary:hover { background: var(--red-dark); transform: translateY(-1px); }
.btn-secondary {
  display: inline-flex; align-items: center; gap: 10px;
  background: transparent; color: var(--text); text-decoration: none;
  font-family: var(--font-display); font-weight: 600; font-size: 0.85rem;
  letter-spacing: 0.12em; text-transform: uppercase;
  padding: 16px 32px; border: 1px solid var(--border);
  border-radius: 2px; transition: border-color 0.2s, color 0.2s;
}
.btn-secondary:hover { border-color: var(--red); color: var(--red); }
.hero-stats {
  display: flex; gap: 40px; margin-top: 64px;
  padding-top: 48px; border-top: 1px solid var(--border);
  flex-wrap: wrap; animation: fadeUp 0.6s ease 0.5s both;
}
.stat-num {
  font-family: var(--font-display); font-weight: 900;
  font-size: 2.2rem; color: var(--red); line-height: 1; display: block;
}
.stat-label { font-size: 0.72rem; color: var(--text-dim); letter-spacing: 0.1em; text-transform: uppercase; margin-top: 4px; }
@keyframes fadeUp { from{opacity:0;transform:translateY(24px)} to{opacity:1;transform:translateY(0)} }

/* ── MARQUEE ── */
.marquee-wrap { background: var(--red); overflow: hidden; padding: 14px 0; }
.marquee-track {
  display: flex; white-space: nowrap;
  animation: marquee 25s linear infinite;
}
.marquee-item {
  font-family: var(--font-display); font-weight: 700;
  font-size: 0.8rem; letter-spacing: 0.18em;
  text-transform: uppercase; color: white;
  padding: 0 28px; flex-shrink: 0; opacity: 0.9;
}
.marquee-dot { color: rgba(255,255,255,0.4); padding: 0; flex-shrink: 0; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ── SECTIONS ── */
section { position: relative; }
.section-inner { max-width: 1200px; margin: 0 auto; padding: 100px 40px; }
.section-label {
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--red); margin-bottom: 16px;
  display: flex; align-items: center; gap: 12px;
}
.section-label::before { content: ''; width: 32px; height: 2px; background: var(--red); }
.section-title {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(2rem, 4vw, 3.2rem);
  text-transform: uppercase; line-height: 1.05; letter-spacing: 0.02em;
}

/* ── DSG INTRO ── */
.dsg-intro { background: var(--black-2); border-top: 1px solid var(--border); }
.dsg-intro .section-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.dsg-text { color: #bbb; font-size: 1rem; margin-top: 24px; line-height: 1.75; }
.dsg-specs { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; }
.spec-card {
  background: var(--black-3); padding: 28px 24px;
  border-left: 3px solid transparent; transition: border-color 0.2s, background 0.2s;
}
.spec-card:hover { border-color: var(--red); background: rgba(232,0,29,0.04); }
.spec-card-label { font-size: 0.7rem; color: var(--text-dim); letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 8px; }
.spec-card-value { font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; color: var(--text); }
.spec-card-sub { font-size: 0.78rem; color: var(--text-dim); margin-top: 4px; }

/* ── SERVICES ── */
.services-section { background: var(--black); border-top: 1px solid var(--border); }
.services-header { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 60px; }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; }
.service-card {
  background: var(--black-3); padding: 48px 36px;
  position: relative; overflow: hidden; transition: transform 0.3s;
}
.service-card::before {
  content: ''; position: absolute; bottom: 0; left: 0;
  height: 3px; width: 0; background: var(--red); transition: width 0.4s ease;
}
.service-card:hover { transform: translateY(-4px); }
.service-card:hover::before { width: 100%; }
.service-number {
  font-family: var(--font-display); font-weight: 900; font-size: 4rem;
  color: rgba(232,0,29,0.12); line-height: 1;
  position: absolute; top: 24px; right: 28px; transition: color 0.3s;
}
.service-card:hover .service-number { color: rgba(232,0,29,0.22); }
.service-icon {
  width: 52px; height: 52px; background: rgba(232,0,29,0.1);
  border: 1px solid rgba(232,0,29,0.2); border-radius: 4px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 28px; transition: background 0.3s;
}
.service-card:hover .service-icon { background: rgba(232,0,29,0.2); }
.service-icon svg { width: 26px; height: 26px; fill: var(--red); }
.service-title {
  font-family: var(--font-display); font-weight: 800; font-size: 1.5rem;
  text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 16px;
}
.service-desc { font-size: 0.92rem; color: #999; line-height: 1.7; margin-bottom: 28px; }
.service-list { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.service-list li { font-size: 0.83rem; color: #bbb; display: flex; align-items: center; gap: 10px; }
.service-list li::before { content: ''; width: 5px; height: 5px; background: var(--red); border-radius: 50%; flex-shrink: 0; }

/* ── TYPES ── */
.types-section { background: var(--black-2); border-top: 1px solid var(--border); }
.types-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 2px; margin-top: 60px; }
.type-card {
  background: var(--black-3); padding: 40px;
  display: flex; gap: 24px; align-items: flex-start;
  transition: background 0.2s; border: 1px solid transparent;
}
.type-card:hover { background: rgba(232,0,29,0.03); border-color: rgba(232,0,29,0.2); }
.type-badge {
  background: var(--red); color: white; font-family: var(--font-display);
  font-weight: 900; font-size: 0.9rem; letter-spacing: 0.06em;
  padding: 6px 14px; border-radius: 2px; white-space: nowrap; flex-shrink: 0; margin-top: 2px;
}
.type-name { font-family: var(--font-display); font-weight: 800; font-size: 1.2rem; text-transform: uppercase; margin-bottom: 8px; }
.type-desc { font-size: 0.88rem; color: #888; line-height: 1.6; }
.type-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
.type-tag {
  font-size: 0.72rem; background: var(--black); border: 1px solid var(--border);
  color: var(--text-dim); padding: 4px 10px; border-radius: 2px; letter-spacing: 0.06em;
}

/* ── WHY US ── */
.whyus-section { background: var(--black); border-top: 1px solid var(--border); }
.whyus-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 2px; margin-top: 60px; }
.whyus-card { padding: 40px 32px; background: var(--black-3); position: relative; }
.whyus-card::after {
  content: ''; position: absolute; top: 40px; left: 0;
  width: 4px; height: 0; background: var(--red); transition: height 0.4s ease;
}
.whyus-card:hover::after { height: calc(100% - 80px); }
.whyus-icon { width: 44px; height: 44px; margin-bottom: 24px; display: flex; align-items: center; }
.whyus-icon svg { width: 36px; height: 36px; fill: var(--red); }
.whyus-title { font-family: var(--font-display); font-weight: 800; font-size: 1.05rem; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 12px; }
.whyus-desc { font-size: 0.88rem; color: #888; line-height: 1.7; }

/* ── BRANDS ── */
.brands-section { background: var(--black-2); border-top: 1px solid var(--border); padding: 60px 0; }
.brands-inner { max-width: 1200px; margin: 0 auto; padding: 0 40px; text-align: center; }
.brands-label { font-size: 0.7rem; color: var(--text-dim); letter-spacing: 0.18em; text-transform: uppercase; margin-bottom: 40px; }
.brands-list { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px; }
.brand-pill {
  font-family: var(--font-display); font-weight: 700; font-size: 0.9rem;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-dim);
  border: 1px solid var(--border); padding: 10px 24px; border-radius: 2px;
  transition: color 0.2s, border-color 0.2s; cursor: default;
}
.brand-pill:hover { color: var(--red); border-color: var(--red); }

/* ── PROCESS ── */
.process-section { background: var(--black); border-top: 1px solid var(--border); }
.process-steps { display: grid; grid-template-columns: repeat(4,1fr); gap: 0; margin-top: 60px; position: relative; }
.process-steps::before {
  content: ''; position: absolute; top: 28px; left: 10%; right: 10%;
  height: 1px; background: var(--border); z-index: 0;
}
.process-step { padding: 0 20px; text-align: center; position: relative; z-index: 1; }
.step-num {
  width: 56px; height: 56px; background: var(--black-2);
  border: 2px solid var(--red); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 900; font-size: 1.2rem;
  color: var(--red); margin: 0 auto 24px;
}
.step-title { font-family: var(--font-display); font-weight: 700; font-size: 1rem; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 10px; }
.step-desc { font-size: 0.83rem; color: #888; line-height: 1.6; }

/* ── CONTACT ── */
.contact-section { background: var(--black-2); border-top: 1px solid var(--border); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; margin-top: 60px; align-items: start; }
.contact-intro { font-size: 1rem; color: #bbb; line-height: 1.7; margin-bottom: 40px; }
.contact-items { display: flex; flex-direction: column; gap: 24px; }
.contact-item { display: flex; align-items: flex-start; gap: 16px; }
.contact-item-icon {
  width: 40px; height: 40px; background: rgba(232,0,29,0.1);
  border: 1px solid rgba(232,0,29,0.2); border-radius: 4px;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.contact-item-icon svg { width: 18px; height: 18px; fill: var(--red); }
.contact-item-label { font-size: 0.7rem; color: var(--text-dim); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 4px; }
.contact-item-value { font-size: 0.95rem; color: var(--text); font-weight: 500; }
.contact-item-value a { color: var(--text); text-decoration: none; transition: color 0.2s; }
.contact-item-value a:hover { color: var(--red); }

/* FORM */
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-group { margin-bottom: 12px; }
.form-group label { display: block; font-size: 0.7rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-dim); margin-bottom: 8px; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%; background: var(--black-3); border: 1px solid var(--border);
  color: var(--text); padding: 12px 16px; font-family: var(--font-body);
  font-size: 0.92rem; border-radius: 2px; outline: none; transition: border-color 0.2s; appearance: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--red); }
.form-group input::placeholder, .form-group textarea::placeholder { color: #555; }
.form-group textarea { resize: vertical; min-height: 110px; }
.form-message { padding: 0; font-size: 0.88rem; margin-bottom: 8px; min-height: 20px; }
.form-message.success { color: #4caf50; }
.form-message.error { color: var(--red); }
.form-submit {
  width: 100%; background: var(--red); color: white; border: none;
  padding: 16px 40px; font-family: var(--font-display); font-weight: 700;
  font-size: 0.88rem; letter-spacing: 0.12em; text-transform: uppercase;
  border-radius: 2px; cursor: pointer; transition: background 0.2s;
}
.form-submit:hover { background: var(--red-dark); }
.form-submit:disabled { background: #555; cursor: not-allowed; }

/* ── FOOTER ── */
#site-footer {
  background: #050505; border-top: 1px solid var(--border); padding: 40px;
}
.footer-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 16px;
}
.footer-copy { font-size: 0.8rem; color: var(--text-dim); }
.footer-copy span { color: var(--red); }
.footer-company { display: block; color: #555; font-size: 0.75rem; margin-top: 4px; }
.footer-links { display: flex; gap: 24px; list-style: none; }
.footer-links a {
  font-size: 0.75rem; color: var(--text-dim); text-decoration: none;
  letter-spacing: 0.08em; text-transform: uppercase; transition: color 0.2s;
}
.footer-links a:hover { color: var(--red); }

/* ── SCROLL REVEAL ── */
.reveal {
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ── MOBILE ── */
@media (max-width: 900px) {
  #site-nav { padding: 0 20px; }
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .hero-content { padding: 60px 20px; }
  .hero-stats { gap: 24px; }
  .section-inner { padding: 70px 20px; }
  .dsg-intro .section-inner { grid-template-columns: 1fr; gap: 40px; }
  .dsg-specs { grid-template-columns: 1fr 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .services-header { flex-direction: column; align-items: flex-start; gap: 20px; }
  .types-grid { grid-template-columns: 1fr; }
  .whyus-grid { grid-template-columns: 1fr 1fr; }
  .process-steps { grid-template-columns: 1fr 1fr; gap: 32px; }
  .process-steps::before { display: none; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .form-row { grid-template-columns: 1fr; }
  #site-footer { padding: 30px 20px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 560px) {
  .whyus-grid { grid-template-columns: 1fr; }
  .dsg-specs { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; gap: 16px; }
}