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

:root {
  --dark:       #1a1a1a;
  --dark-2:     #242424;
  --dark-3:     #2e2e2e;
  --steel:      #3a3a3a;
  --silver:     #8a9099;
  --silver-lt:  #b8bec8;
  --chrome:     #c8cdd6;
  --white:      #f0f2f5;
  --accent:     #9eafc2;
  --accent-lt:  #c5d3e0;
  --gradient:   linear-gradient(135deg, #2a2a2a 0%, #1a1a1a 50%, #222831 100%);
  --font-head:  'Rajdhani', sans-serif;
  --font-body:  'Open Sans', sans-serif;
  --radius:     6px;
  --shadow:     0 4px 24px rgba(0,0,0,.4);
  --transition: .3s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--dark);
  color: var(--chrome);
  line-height: 1.7;
  font-size: 16px;
}

a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-lt); }

img { max-width: 100%; display: block; }

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4 { font-family: var(--font-head); line-height: 1.2; }
h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); font-weight: 700; }
h2 { font-size: clamp(1.8rem, 3vw, 2.6rem); font-weight: 700; color: var(--white); }
h3 { font-size: 1.25rem; font-weight: 600; color: var(--white); margin-bottom: .5rem; }

/* ===== UTILITIES ===== */
.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

.btn {
  display: inline-block;
  padding: 13px 32px;
  border-radius: var(--radius);
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
}
.btn-primary {
  background: linear-gradient(135deg, #5a6a7a, #3a4a5a);
  color: var(--white);
  border-color: #6a7a8a;
}
.btn-primary:hover {
  background: linear-gradient(135deg, #6a7a8a, #4a5a6a);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(100,130,160,.3);
}
.btn-outline {
  background: transparent;
  color: var(--chrome);
  border-color: var(--steel);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent-lt);
  transform: translateY(-2px);
}
.btn-full { width: 100%; text-align: center; }
.btn-nav {
  background: linear-gradient(135deg, #5a6a7a, #3a4a5a);
  color: var(--white) !important;
  padding: 8px 22px;
  border-radius: var(--radius);
  font-weight: 600;
}
.btn-nav:hover { background: linear-gradient(135deg, #6a7a8a, #4a5a6a); color: var(--white) !important; }

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

.section-header { text-align: center; margin-bottom: 60px; }
.section-header.light h2 { color: var(--white); }
.section-tag {
  display: inline-block;
  font-family: var(--font-head);
  font-size: .85rem;
  font-weight: 600;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}
.divider {
  width: 60px; height: 3px;
  background: linear-gradient(90deg, var(--accent), transparent);
  margin: 16px auto 0;
  border-radius: 2px;
}

section { padding: 90px 0; }
.dark-section { background: var(--dark-2); }

/* ===== NAVBAR ===== */
#navbar {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(20,20,20,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,.06);
  transition: all var(--transition);
}
#navbar.scrolled {
  background: rgba(15,15,15,.98);
  box-shadow: 0 2px 20px rgba(0,0,0,.5);
}
.nav-inner {
  max-width: 1180px; margin: 0 auto;
  padding: 0 24px;
  height: 68px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  display: flex; align-items: center; gap: 12px;
  color: var(--white) !important;
}
.logo-img { height: 44px; width: 44px; object-fit: contain; border-radius: 50%; }
.logo-text {
  font-family: var(--font-head);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: .05em;
}
.logo-text span { color: var(--silver); font-weight: 400; }
.logo-text.large { font-size: 1.8rem; }

.nav-links {
  display: flex; align-items: center; gap: 32px;
  list-style: none;
}
.nav-links a {
  color: var(--silver-lt);
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: .05em;
  text-transform: uppercase;
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--white); }

.nav-toggle {
  display: none;
  flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.nav-toggle span {
  display: block; width: 26px; height: 2px;
  background: var(--chrome);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ===== HERO ===== */
#hero {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  position: relative;
  overflow: hidden;
  background: url('img/hero2.jpg') center center / cover no-repeat;
  padding: 100px 24px 80px;
  text-align: center;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(8,8,10,.55) 0%,
    rgba(12,14,18,.72) 50%,
    rgba(8,8,10,.82) 100%
  );
  pointer-events: none;
}
.hero-content {
  position: relative; z-index: 2;
  max-width: 860px;
  margin: 0 auto;
  padding: 0 16px;
}
.hero-badge {
  display: inline-block;
  font-family: var(--font-head);
  font-size: .85rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--chrome);
  border: 1px solid rgba(200,210,220,.35);
  padding: 7px 22px;
  border-radius: 40px;
  margin-bottom: 30px;
}
#hero h1 {
  color: var(--white);
  margin-bottom: 24px;
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  text-shadow: 0 2px 20px rgba(0,0,0,.6);
}
#hero p {
  color: var(--silver-lt);
  font-size: 1.15rem;
  margin-bottom: 44px;
  max-width: 600px;
  margin-left: auto; margin-right: auto;
  text-shadow: 0 1px 8px rgba(0,0,0,.5);
}
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; }

@keyframes spin { to { transform: rotate(360deg); } }

/* ===== ABOUT ===== */
#o-nas { background: var(--dark); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-text p { color: var(--silver-lt); margin-bottom: 18px; }
.about-text strong { color: var(--white); }
.about-stats {
  display: flex; gap: 36px;
  margin-top: 36px;
  padding-top: 30px;
  border-top: 1px solid rgba(255,255,255,.08);
}
.stat { text-align: center; }
.stat-number {
  display: block;
  font-family: var(--font-head);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--accent-lt);
}
.stat-label { font-size: .8rem; color: var(--silver); text-transform: uppercase; letter-spacing: .1em; }

.about-image { position: relative; display: flex; align-items: center; justify-content: center; min-height: 300px; }
.gear-decoration {
  position: absolute;
  border-radius: 50%;
  border: 2px solid rgba(158,175,194,.15);
}
.gear-decoration.large { width: 280px; height: 280px; animation: spin 30s linear infinite; }
.gear-decoration.small { width: 160px; height: 160px; animation: spin 20s linear infinite reverse; }

.about-card {
  position: relative; z-index: 2;
  background: var(--dark-3);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 12px;
  padding: 36px 30px;
  text-align: center;
  box-shadow: var(--shadow);
}
.about-icon { font-size: 2.5rem; margin-bottom: 14px; }
.about-card p { color: var(--silver); font-size: .95rem; }

/* ===== SERVICES ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--dark-3);
  border: 1px solid rgba(255,255,255,.07);
  border-radius: 10px;
  padding: 32px 26px;
  position: relative;
  transition: all var(--transition);
}
.service-card:hover {
  border-color: rgba(158,175,194,.3);
  transform: translateY(-4px);
  box-shadow: 0 12px 36px rgba(0,0,0,.4);
}
.service-card.featured {
  border-color: rgba(158,175,194,.25);
  background: linear-gradient(135deg, #2a3240 0%, #242424 100%);
}
.service-badge {
  position: absolute; top: -1px; right: 20px;
  background: linear-gradient(135deg, #5a6a7a, #3a4a5a);
  color: var(--white);
  font-family: var(--font-head);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: 0 0 6px 6px;
}
.service-icon {
  width: 52px; height: 52px;
  color: var(--accent);
  margin-bottom: 18px;
}
.service-card h3 { margin-bottom: 10px; }
.service-card > p { color: var(--silver); font-size: .93rem; margin-bottom: 18px; }
.service-list {
  list-style: none;
  display: flex; flex-direction: column; gap: 6px;
}
.service-list li {
  color: var(--silver-lt);
  font-size: .88rem;
  padding-left: 16px;
  position: relative;
}
.service-list li::before {
  content: '›';
  position: absolute; left: 0;
  color: var(--accent);
  font-weight: 700;
}

/* ===== PROCESS ===== */
#proces { background: var(--dark); }
.process-steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
}
.step {
  flex: 1;
  text-align: center;
  padding: 0 20px;
}
.step-number {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, #3a4a5a, #2a3240);
  border: 2px solid rgba(158,175,194,.3);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-head);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent-lt);
  margin: 0 auto 20px;
}
.step-content h3 { margin-bottom: 8px; }
.step-content p { color: var(--silver); font-size: .92rem; }
.step-connector {
  flex: 0 0 40px;
  height: 2px;
  background: linear-gradient(90deg, rgba(158,175,194,.3), rgba(158,175,194,.1));
  align-self: 32px;
  margin-top: 32px;
  position: relative;
}

/* ===== CONTACT ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  align-items: start;
}
.contact-info h3 {
  font-size: 1.6rem;
  margin-bottom: 28px;
  color: var(--white);
}
.contact-items { display: flex; flex-direction: column; gap: 24px; }
.contact-item {
  display: flex; gap: 16px;
  color: var(--silver-lt);
  font-size: .95rem;
  line-height: 1.7;
}
.contact-icon { font-size: 1.3rem; flex-shrink: 0; margin-top: 2px; }
.contact-item strong { color: var(--white); display: block; margin-bottom: 2px; }
.contact-item small { color: var(--silver); font-size: .82rem; }
.contact-item a { color: var(--accent-lt); }
.contact-item a:hover { color: var(--white); }

/* FORM */
.contact-form-wrap {
  background: var(--dark-3);
  border: 1px solid rgba(255,255,255,.07);
  border-radius: 12px;
  padding: 36px 32px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 18px; }
.form-group label { font-size: .85rem; color: var(--silver); text-transform: uppercase; letter-spacing: .06em; }
.form-group input,
.form-group select,
.form-group textarea {
  background: var(--dark-2);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius);
  color: var(--white);
  padding: 11px 14px;
  font-family: var(--font-body);
  font-size: .95rem;
  transition: border-color var(--transition);
  outline: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--steel); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--accent); }
.form-group select option { background: var(--dark-2); }
.form-note { text-align: center; font-size: .8rem; color: var(--silver); margin-top: 12px; }

/* ===== FOOTER ===== */
#footer {
  background: #111;
  border-top: 1px solid rgba(255,255,255,.06);
  padding: 48px 0 24px;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,.06);
  margin-bottom: 24px;
}
.footer-brand p { color: var(--silver); font-size: .9rem; margin-top: 6px; }
.footer-links { display: flex; gap: 28px; flex-wrap: wrap; }
.footer-links a {
  color: var(--silver);
  font-family: var(--font-head);
  font-size: .95rem;
  letter-spacing: .05em;
  text-transform: uppercase;
}
.footer-links a:hover { color: var(--white); }
.footer-legal { text-align: right; color: var(--silver); font-size: .82rem; line-height: 1.7; }
.footer-bottom { text-align: center; color: var(--steel); font-size: .82rem; }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .services-grid { grid-template-columns: 1fr 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .about-image { display: none; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; text-align: center; }
  .footer-legal { text-align: center; }
  .process-steps { flex-direction: column; align-items: center; }
  .step-connector { width: 2px; height: 36px; flex: 0 0 36px; margin: 0; background: linear-gradient(180deg, rgba(158,175,194,.3), rgba(158,175,194,.1)); }
}

@media (max-width: 640px) {
  .services-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero-buttons { flex-direction: column; }
  .about-stats { gap: 20px; }
  .nav-links {
    display: none;
    position: absolute;
    top: 68px; left: 0; right: 0;
    background: rgba(20,20,20,.98);
    flex-direction: column;
    padding: 20px 24px 24px;
    gap: 18px;
    border-bottom: 1px solid rgba(255,255,255,.08);
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }
  .contact-form-wrap { padding: 24px 20px; }
}