/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --black: #000000;
  --dark: #0d0d0d;
  --silver: #c0c0c0;
  --silver-light: #e8e8e8;
  --red: #cc0000;
  --red-hot: #ff2200;
  --white: #ffffff;
  --gray: #1a1a1a;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', Arial, sans-serif;
  background: var(--black);
  color: var(--silver-light);
  line-height: 1.6;
}

/* ===== NAVBAR ===== */
header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(0,0,0,0.92);
  border-bottom: 1px solid #222;
  backdrop-filter: blur(8px);
}

.navbar {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.6rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-wrap { display: flex; align-items: center; text-decoration: none; }
.logo-img { height: 170px; width: auto; display: block; }

.nav-links { list-style: none; display: flex; gap: 1rem; align-items: center; }

.nav-links a {
  color: var(--silver);
  text-decoration: none;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--white); }

.btn-nav {
  background: var(--red) !important;
  color: var(--white) !important;
  padding: 0.5rem 1.1rem;
  border-radius: 3px;
  font-weight: 700;
  white-space: nowrap;
}

.btn-nav:hover { background: var(--red-hot) !important; }

.nav-phone {
  color: var(--silver) !important;
  font-weight: 600;
  font-size: 0.85rem;
  white-space: nowrap;
  letter-spacing: 0.04em;
}
.nav-phone:hover { color: var(--white) !important; }

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #000 0%, #1a0000 50%, #000 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(-45deg, transparent, transparent 2px, rgba(255,255,255,0.01) 2px, rgba(255,255,255,0.01) 4px);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 8rem 2rem 4rem;
}

.hero-content h1 {
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 900;
  color: var(--silver-light);
  line-height: 1.1;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  text-shadow: 0 0 40px rgba(204,0,0,0.3);
}

.accent { color: var(--red); }

.hero-content p {
  font-size: 1.2rem;
  color: var(--silver);
  max-width: 560px;
  margin-bottom: 2.5rem;
}

.btn-primary {
  display: inline-block;
  background: var(--red);
  color: var(--white);
  padding: 0.9rem 2rem;
  border-radius: 3px;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
  margin-right: 1rem;
}

.btn-primary:hover { background: var(--red-hot); transform: translateY(-2px); }

.btn-secondary {
  display: inline-block;
  background: transparent;
  color: var(--silver);
  padding: 0.9rem 2rem;
  border-radius: 3px;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: 1px solid #444;
  transition: border-color 0.2s, color 0.2s;
}

.btn-secondary:hover { border-color: var(--silver); color: var(--white); }

/* ===== SECTIONS ===== */
section { padding: 5rem 2rem; }

section h2 {
  text-align: center;
  font-size: 2rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--silver-light);
  margin-bottom: 0.5rem;
}

section h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--red);
  margin: 0.75rem auto 2.5rem;
}

.section-sub { text-align: center; color: var(--silver); margin-bottom: 3rem; margin-top: -1.5rem; }

/* ===== SERVICES ===== */
.services { background: var(--dark); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.service-card {
  background: var(--gray);
  border: 1px solid #222;
  border-top: 3px solid var(--red);
  padding: 2rem;
  border-radius: 4px;
  transition: transform 0.2s;
}

.service-card:hover { transform: translateY(-4px); }

.service-img {
  width: 100%; height: 140px;
  object-fit: cover;
  border-radius: 3px;
  margin-bottom: 1rem;
  display: block;
}

.service-card h3 {
  color: var(--silver-light);
  font-size: 1.1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

.service-card p { color: #999; font-size: 0.95rem; }

/* ===== GALLERY ===== */
.gallery { background: var(--black); }

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.gallery-item {
  position: relative;
  aspect-ratio: 4/3;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid #1a1a1a;
  transition: transform 0.3s, box-shadow 0.3s;
  cursor: pointer;
}

.gallery-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(204,0,0,0.25);
}

.mockup-overlay {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  z-index: 10;
  padding: 1rem 1.25rem;
  background: linear-gradient(transparent, rgba(0,0,0,0.85));
}

.mockup-label {
  color: var(--silver-light);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}


/* ===== GALLERY FILTERS ===== */
.gallery-filters {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: 0.6rem; max-width: 1200px; margin: 0 auto 2.5rem;
}

.gf-btn {
  background: transparent; border: 1px solid #333;
  color: var(--silver); padding: 0.5rem 1.2rem;
  border-radius: 3px; font-size: 0.8rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.08em;
  cursor: pointer; transition: all 0.2s; font-family: inherit;
}

.gf-btn:hover { border-color: var(--silver); color: var(--white); }
.gf-btn.active { background: var(--red); border-color: var(--red); color: var(--white); }

/* ===== GALLERY IMAGE ITEMS ===== */

.gallery-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s;
}

.gallery-item:hover img { transform: scale(1.04); }

.gallery-item.hidden { display: none; }


/* ===== ABOUT ===== */
.about { background: var(--dark); }

.about-content { max-width: 700px; margin: 0 auto; text-align: center; }
.about-content p { color: var(--silver); font-size: 1.05rem; margin-bottom: 2rem; }

.about-list {
  list-style: none; display: grid; grid-template-columns: 1fr 1fr;
  gap: 0.75rem; text-align: left; max-width: 400px; margin: 0 auto;
}

.about-list li { color: var(--silver-light); font-size: 0.95rem; }

/* ===== CONTACT ===== */
.contact { background: var(--black); }

.contact-form { max-width: 700px; margin: 0 auto; display: flex; flex-direction: column; gap: 1rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

.contact-form input, .contact-form select, .contact-form textarea {
  background: var(--gray); border: 1px solid #333; color: var(--silver-light);
  padding: 0.85rem 1rem; border-radius: 3px; font-size: 0.95rem;
  font-family: inherit; width: 100%; transition: border-color 0.2s;
}

.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { outline: none; border-color: var(--red); }
.contact-form select option { background: var(--gray); }
.contact-form textarea { resize: vertical; }
.contact-form .btn-primary { align-self: flex-start; }

/* ===== FOOTER ===== */
footer { background: #050505; border-top: 1px solid #1a1a1a; text-align: center; padding: 2rem; color: #555; font-size: 0.85rem; }

/* ===== HAMBURGER ===== */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 26px;
  height: 20px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 200;
}

.nav-hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--silver-light);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}

.nav-hamburger.open span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .nav-hamburger { display: flex; }

  .nav-links {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.97);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
    z-index: 150;
  }

  .nav-links.open { display: flex; }

  .nav-links a {
    font-size: 1.3rem;
    letter-spacing: 0.1em;
  }

  .btn-nav {
    padding: 0.75rem 2rem !important;
    font-size: 1.1rem !important;
  }

  .logo-img { height: 55px; }
  .form-row { grid-template-columns: 1fr; }
  .about-list { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
}