/* ============================================================
   GIVROCHE DEFENSE SYSTEMS — Design System
   Primary: #CB9F00  Background: #0A0A0A  Radius: 2px
   Font: Orbitron (headings) / Barlow (body)
   ============================================================ */

:root {
  --green:       #CB9F00;
  --green-glow:  rgba(203, 159, 0, 0.25);
  --green-dim:   #8E6F00;
  --bg:          #0A0A0A;
  --bg-surface:  #0F0F0F;
  --bg-raised:   #181818;
  --bg-card:     #111111;
  --border:      #222222;
  --text:        #F0F0F0;
  --text-muted:  #777777;
  --radius:      2px;
  --font-head:   'Orbitron', sans-serif;
  --font-body:   'Barlow', sans-serif;
  --max-w:       1200px;
  --nav-h:       64px;
}

/* RESET */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { display: block; max-width: 100%; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* CONTAINER */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(10,10,10,0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav__logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
  flex-shrink: 0;
  gap: 3px;
}
.nav__logo-name {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 20px;
  letter-spacing: 0.06em;
  color: var(--text);
}
.nav__logo-sub {
  font-family: var(--font-head);
  font-size: 8px;
  font-weight: 400;
  letter-spacing: 0.3em;
  color: var(--green);
  text-transform: uppercase;
}
.nav__links {
  display: flex;
  gap: 28px;
  margin-left: auto;
}
.nav__link {
  font-family: var(--font-head);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  transition: color 0.2s;
}
.nav__link:hover, .nav__link.active { color: var(--green); }
.nav__social {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: 8px;
}
.nav__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: color 0.2s, border-color 0.2s;
}
.nav__social-link:hover { color: var(--green); border-color: var(--green); }
.nav__mobile-social {
  display: flex;
  gap: 12px;
  padding: 12px 0 4px;
  border-top: 1px solid var(--border);
  margin-top: 4px;
  list-style: none;
}
.nav__mobile-social .nav__social-link {
  width: auto;
  height: auto;
  gap: 6px;
  padding: 8px 14px;
  font-family: var(--font-head);
  font-size: 11px;
  letter-spacing: 0.08em;
  flex: 1;
  justify-content: center;
}
.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  margin-left: auto;
}
.nav__burger span {
  width: 22px; height: 2px;
  background: var(--text);
  border-radius: 1px;
  transition: all 0.3s;
}
.nav__mobile {
  display: none;
  flex-direction: column;
  padding: 16px 24px 20px;
  gap: 12px;
  border-top: 1px solid var(--border);
  background: var(--bg);
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.1em;
  padding: 10px 20px;
  border-radius: var(--radius);
  transition: all 0.2s;
  white-space: nowrap;
  cursor: pointer;
}
.btn--primary {
  background: var(--green);
  color: #000;
  border: 1px solid var(--green);
}
.btn--primary:hover {
  background: #DEB300;
  border-color: #DEB300;
  box-shadow: 0 0 16px var(--green-glow);
}
.btn--outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn--outline:hover {
  border-color: var(--green);
  color: var(--green);
  box-shadow: 0 0 10px var(--green-glow);
}
.btn--sm { padding: 7px 14px; font-size: 10px; }
.btn--full { width: 100%; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: var(--nav-h);
  overflow: hidden;
}

/* Video */
.hero__video-wrap { position: absolute; inset: 0; }
.hero__video { width: 100%; height: 100%; object-fit: cover; opacity: 0.35; }
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(10,10,10,0.5) 0%,
    rgba(10,10,10,0.3) 35%,
    rgba(10,10,10,0.7) 75%,
    rgba(10,10,10,1) 100%
  );
}

/* Wave SVG */
.hero__wave { position: absolute; inset: 0; pointer-events: none; }
.hero__wave-svg {
  width: 100%; height: 100%;
  animation: waveDrift 8s ease-in-out infinite alternate;
}
@keyframes waveDrift {
  from { transform: translateX(0); }
  to   { transform: translateX(-2%); }
}

/* Corner borders */
.hero__corner {
  position: absolute;
  width: 32px; height: 32px;
  pointer-events: none;
  z-index: 2;
}
.hero__corner--tl { top: 80px; left: 20px; border-top: 1px solid var(--green); border-left: 1px solid var(--green); }
.hero__corner--tr { top: 80px; right: 20px; border-top: 1px solid var(--green); border-right: 1px solid var(--green); }
.hero__corner--bl { bottom: 12px; left: 20px; border-bottom: 1px solid var(--green); border-left: 1px solid var(--green); }
.hero__corner--br { bottom: 12px; right: 20px; border-bottom: 1px solid var(--green); border-right: 1px solid var(--green); }

/* Hero content */
.hero__content {
  position: relative;
  z-index: 2;
  padding-top: 80px;
  padding-bottom: 40px;
}
.hero__tag {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--green);
  border: 1px solid var(--green);
  padding: 4px 12px;
  border-radius: var(--radius);
  margin-bottom: 28px;
  box-shadow: 0 0 10px var(--green-glow);
}
.hero__headline {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(48px, 9vw, 108px);
  line-height: 0.95;
  letter-spacing: 0.02em;
  margin-bottom: 20px;
  overflow: hidden;
}
.hero__word {
  display: block;
  transform: translateY(110%);
  opacity: 0;
  animation: slideUp 0.9s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  animation-delay: calc(var(--d) * 0.18s + 0.3s);
}
.hero__word--green {
  color: var(--green);
  text-shadow: 0 0 40px rgba(170,255,0,0.4);
}
@keyframes slideUp { to { transform: translateY(0); opacity: 1; } }

.hero__taglines {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.18em;
  color: var(--text-muted);
  margin-bottom: 20px;
  opacity: 0;
  animation: fadeIn 0.8s ease forwards 0.7s;
  flex-wrap: wrap;
}
.hero__taglines .dot { color: var(--green); }

.hero__sub {
  font-size: 15px;
  color: var(--text-muted);
  max-width: 480px;
  margin-bottom: 36px;
  opacity: 0;
  animation: fadeIn 0.8s ease forwards 0.9s;
  line-height: 1.7;
}
.hero__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeIn 0.8s ease forwards 1.1s;
}
@keyframes fadeIn { to { opacity: 1; } }

/* ============================================================
   STATS BAR
   ============================================================ */
.stats {
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--border);
  margin-top: auto;
}
.stats__grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stats__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 28px 16px;
  border-right: 1px solid var(--border);
  text-align: center;
}
.stats__item:last-child { border-right: none; }
.stats__value {
  font-family: var(--font-head);
  font-size: 32px;
  font-weight: 700;
  color: var(--green);
  line-height: 1;
  text-shadow: 0 0 20px rgba(170,255,0,0.3);
}
.stats__label {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--text-muted);
  margin-top: 6px;
  text-transform: uppercase;
  font-family: var(--font-head);
}

/* ============================================================
   SECTIONS
   ============================================================ */
.section { padding: 96px 0; }
.section--dark { background: var(--bg-surface); }
.section__header { margin-bottom: 56px; }
.section__header--center {
  text-align: center;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}
.label {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--green);
  margin-bottom: 12px;
}
.section__title {
  font-family: var(--font-head);
  font-size: clamp(24px, 4vw, 40px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: 0.02em;
  margin-bottom: 16px;
}
.section__desc { color: var(--text-muted); font-size: 15px; max-width: 560px; }
.text--green { color: var(--green); }

/* ============================================================
   PRODUCT CARDS
   ============================================================ */
.products-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.25s, box-shadow 0.25s, transform 0.25s;
  display: flex;
  flex-direction: column;
}
.card:hover {
  border-color: var(--green);
  box-shadow: 0 0 20px rgba(170,255,0,0.08);
  transform: translateY(-2px);
}
.card--wide { grid-column: 1 / -1; flex-direction: row; }
.card__img-wrap {
  width: 100%; height: 200px;
  background: var(--bg-raised);
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}
.card__img-wrap--wide { width: 320px; height: auto; }
.card__img { width: 100%; height: 100%; object-fit: cover; }
.card__img-fallback {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
}
.card__img-fallback svg { width: 80px; height: 80px; opacity: 0.6; }
.card__body { padding: 24px; flex: 1; display: flex; flex-direction: column; gap: 12px; }
.card__tag {
  font-family: var(--font-head);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--green);
}
.card__title { font-family: var(--font-head); font-size: 16px; font-weight: 700; letter-spacing: 0.04em; }
.card__desc { font-size: 14px; color: var(--text-muted); line-height: 1.65; }
.card__specs {
  border-top: 1px solid var(--border);
  padding-top: 12px;
  display: flex; flex-direction: column; gap: 6px;
}
.card__specs li { display: flex; justify-content: space-between; font-size: 12px; }
.card__specs li span:first-child { color: var(--text-muted); }
.card__specs li span:last-child { color: var(--green); font-weight: 600; font-family: var(--font-head); font-size: 11px; }
.card__features { display: flex; flex-direction: column; gap: 6px; }
.card__features li {
  font-size: 13px; color: var(--text-muted);
  padding-left: 16px; position: relative;
}
.card__features li::before {
  content: '';
  position: absolute; left: 0; top: 9px;
  width: 6px; height: 1px;
  background: var(--green);
}
.card__body .btn { margin-top: auto; align-self: flex-start; }

/* ============================================================
   CAPABILITIES
   ============================================================ */
.caps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.cap {
  padding: 32px 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.cap:hover { border-color: var(--green); box-shadow: 0 0 16px rgba(170,255,0,0.07); }
.cap__icon { width: 40px; height: 40px; margin-bottom: 16px; }
.cap__icon svg { width: 100%; height: 100%; }
.cap__title { font-family: var(--font-head); font-size: 14px; font-weight: 700; margin-bottom: 10px; letter-spacing: 0.04em; }
.cap__desc { font-size: 13px; color: var(--text-muted); line-height: 1.65; }

/* ============================================================
   ABOUT
   ============================================================ */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.about__text { display: flex; flex-direction: column; gap: 20px; }
.about__text p { color: var(--text-muted); font-size: 15px; line-height: 1.8; }
.about__visual { display: flex; align-items: center; justify-content: center; }
.about__box {
  border: 1px solid var(--green);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: 0 0 30px rgba(170,255,0,0.06);
  position: relative;
}
.about__box::before, .about__box::after {
  content: ''; position: absolute;
  width: 16px; height: 16px;
}
.about__box::before { top: -1px; left: -1px; border-top: 2px solid var(--green); border-left: 2px solid var(--green); }
.about__box::after  { bottom: -1px; right: -1px; border-bottom: 2px solid var(--green); border-right: 2px solid var(--green); }
.about__quote {
  font-family: var(--font-head);
  font-size: 18px; font-weight: 500; line-height: 1.5;
  color: var(--text); font-style: normal; letter-spacing: 0.02em;
}

/* ============================================================
   CONTACT FORM
   ============================================================ */
.contact-form { max-width: 680px; margin: 0 auto; display: flex; flex-direction: column; gap: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label {
  font-family: var(--font-head);
  font-size: 10px; font-weight: 600;
  letter-spacing: 0.14em; color: var(--text-muted); text-transform: uppercase;
}
.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 14px; padding: 10px 14px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  width: 100%; appearance: none;
}
.form-group select { cursor: pointer; }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--green);
  box-shadow: 0 0 8px rgba(170,255,0,0.12);
}
.form-group textarea { resize: vertical; }
.form__notice {
  font-size: 11px; color: var(--text-muted);
  text-align: center; font-family: var(--font-head); letter-spacing: 0.06em;
}
.form-group input:user-invalid,
.form-group select:user-invalid,
.form-group textarea:user-invalid {
  border-color: #FF4444;
  box-shadow: 0 0 8px rgba(255, 68, 68, 0.15);
}
.field-error {
  font-size: 11px;
  color: #FF4444;
  font-family: var(--font-head);
  letter-spacing: 0.06em;
  margin-top: 2px;
}
.input-error {
  border-color: #FF4444 !important;
  box-shadow: 0 0 8px rgba(255, 68, 68, 0.15) !important;
}

/* ============================================================
   CTA BUTTONS SECTION
   ============================================================ */
.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.cta-notice {
  text-align: center;
  margin-top: 28px;
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--font-head);
  letter-spacing: 0.06em;
}
#contact .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
#contact .section__header,
#contact .section__title,
#contact .section__desc,
#contact .label {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}
@media (max-width: 600px) {
  .cta-card { width: 100%; min-width: unset; }
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer { background: var(--bg-surface); border-top: 1px solid var(--border); padding: 48px 0 32px; }
.footer__top {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 40px; padding-bottom: 32px; border-bottom: 1px solid var(--border);
}
.footer__nav { display: flex; gap: 28px; }
.footer__nav a {
  font-family: var(--font-head); font-size: 11px; font-weight: 500;
  letter-spacing: 0.1em; color: var(--text-muted); transition: color 0.2s;
}
.footer__nav a:hover { color: var(--green); }
.footer__bottom { display: flex; align-items: center; justify-content: space-between; }
.footer__bottom p { font-size: 11px; color: var(--text-muted); font-family: var(--font-head); letter-spacing: 0.05em; }
.footer__slogan {
  font-family: var(--font-head); font-size: 12px; font-weight: 700;
  letter-spacing: 0.15em; color: var(--green) !important;
  text-shadow: 0 0 10px rgba(170,255,0,0.4);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .nav__links, .nav__inner > .btn, .nav__social { display: none; }
  .nav__burger { display: flex; }
  .nav__mobile.open { display: flex; }
  .caps-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 680px) {
  .products-grid { grid-template-columns: 1fr; }
  .card--wide { flex-direction: column; }
  .card__img-wrap--wide { width: 100%; height: 200px; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .stats__item { border-right: none; border-bottom: 1px solid var(--border); }
  .caps-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer__top { flex-direction: column; gap: 24px; align-items: flex-start; }
  .footer__bottom { flex-direction: column; gap: 8px; align-items: flex-start; }
  .hero__actions { flex-direction: column; }
  .hero__taglines { gap: 6px; font-size: 9px; }
}