/* ═══════════════════════════════════════════════
   GOODRICH CARBON CO. — MAIN STYLESHEET
   Industrial Luxury Aesthetic | Dark + Gold
═══════════════════════════════════════════════ */

:root {
  --black:       #0a0a0b;
  --dark:        #111113;
  --dark2:       #18181c;
  --dark3:       #222228;
  --border:      rgba(255,255,255,0.06);
  --gold:        #C8A95A;
  --gold-light:  #dfc07a;
  --gold-dim:    rgba(200,169,90,0.15);
  --white:       #f4f4f2;
  --grey:        #888890;
  --grey-light:  #b0b0b8;
  --synth:       #4a9eff;
  --advanced:    #a855f7;
  --radius:      12px;
  --radius-lg:   20px;
  --shadow:      0 8px 40px rgba(0,0,0,0.5);
  --font-display: 'Bebas Neue', sans-serif;
  --font-body:   'DM Sans', sans-serif;
  --font-arabic: 'Noto Kufi Arabic', sans-serif;
  --transition:  0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--black);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }
button { cursor: pointer; border: none; background: none; }
input, textarea, select { font-family: inherit; font-size: inherit; }

/* Arabic font override */
[lang="ar"], .lang-ar * {
  font-family: var(--font-arabic);
}
body.rtl {
  font-family: var(--font-arabic);
  direction: rtl;
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--dark); }
::-webkit-scrollbar-thumb { background: var(--gold); border-radius: 3px; }

/* ════════════════════════════════════
   LANGUAGE TOGGLE
════════════════════════════════════ */
.lang-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 5px 12px;
  flex-shrink: 0;
}
.lang-btn {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--grey);
  transition: color var(--transition);
  padding: 2px 4px;
}
.lang-btn.active { color: var(--gold); }
.lang-divider { color: var(--border); font-size: 12px; }

/* ════════════════════════════════════
   HEADER / NAV
════════════════════════════════════ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 900;
  padding: 0 40px;
  transition: background var(--transition), box-shadow var(--transition);
}
.site-header.scrolled {
  background: rgba(10,10,11,0.95);
  box-shadow: 0 1px 0 var(--border);
  backdrop-filter: blur(16px);
}
.nav-inner {
  max-width: 1300px;
  margin: 0 auto;
  height: 72px;
  display: flex;
  align-items: center;
  gap: 40px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.logo-mark {
  width: 40px;
  height: 40px;
  background: var(--gold);
  color: var(--black);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 22px;
  border-radius: 8px;
  letter-spacing: 0;
}
.nav-logo-img {
  width: 44px;
  height: 44px;
  object-fit: contain;
  border-radius: 50%;
  background: #f5f0e8;
  padding: 2px;
  flex-shrink: 0;
}
.footer-logo-img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  border-radius: 50%;
  background: #f5f0e8;
  padding: 2px;
  flex-shrink: 0;
}
.logo-text { display: flex; flex-direction: column; }
.logo-name { font-weight: 600; font-size: 14px; letter-spacing: 0.02em; }
.logo-sub { font-size: 10px; color: var(--gold); text-transform: uppercase; letter-spacing: 0.12em; }
.nav-links {
  display: flex;
  list-style: none;
  gap: 32px;
  margin-left: auto;
}
.nav-links a {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--grey-light);
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--gold); }
.nav-cta {
  background: var(--gold);
  color: var(--black);
  padding: 9px 20px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: background var(--transition), transform var(--transition);
  white-space: nowrap;
}
.nav-cta:hover { background: var(--gold-light); transform: translateY(-1px); }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  margin-left: auto;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  transition: var(--transition);
}
.mobile-lang-row {
  display: flex;
  gap: 10px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}
.lang-btn-mobile {
  flex: 1;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--dark3);
  color: var(--grey-light);
  font-size: 13px;
  font-weight: 600;
  font-family: inherit;
  transition: border-color var(--transition), color var(--transition);
}
.lang-btn-mobile.active {
  border-color: var(--gold);
  color: var(--gold);
  background: var(--gold-dim);
}
@media (max-width: 768px) {
  .lang-toggle { display: none; } /* hidden in nav on mobile — shown inside mobile menu instead */
}
.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 0;
  background: var(--dark);
  padding: 16px 24px 24px;
  border-top: 1px solid var(--border);
}
.mobile-menu a {
  padding: 12px 0;
  font-size: 15px;
  border-bottom: 1px solid var(--border);
  color: var(--grey-light);
}
.mobile-menu .mobile-cta {
  margin-top: 16px;
  background: var(--gold);
  color: var(--black);
  text-align: center;
  padding: 12px;
  border-radius: 8px;
  font-weight: 700;
  border: none;
}

/* ════════════════════════════════════
   HERO
════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 100px 40px 60px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: var(--black);
  overflow: hidden;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(200,169,90,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(200,169,90,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 0%, transparent 100%);
}
.hero-particles {
  position: absolute;
  inset: 0;
}
.particle {
  position: absolute;
  width: 2px;
  height: 2px;
  background: var(--gold);
  border-radius: 50%;
  opacity: 0;
  animation: float-particle linear infinite;
}
@keyframes float-particle {
  0% { opacity: 0; transform: translateY(0) scale(1); }
  10% { opacity: 0.6; }
  90% { opacity: 0.2; }
  100% { opacity: 0; transform: translateY(-80vh) scale(0.3); }
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
}
.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  border: 1px solid rgba(200,169,90,0.4);
  border-radius: 50px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 28px;
  backdrop-filter: blur(8px);
}
.hero-title {
  display: flex;
  flex-direction: column;
  font-family: var(--font-display);
  font-size: clamp(80px, 13vw, 160px);
  line-height: 0.88;
  letter-spacing: 0.02em;
  margin-bottom: 28px;
  overflow: hidden;
}
.hero-line1, .hero-line3 { color: var(--white); }
.hero-line2 {
  color: transparent;
  -webkit-text-stroke: 2px var(--gold);
  text-shadow: none;
}
.hero-desc {
  font-size: 17px;
  color: var(--grey-light);
  max-width: 600px;
  margin: 0 auto 36px;
  line-height: 1.7;
}
.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 60px;
}
.btn-primary {
  background: var(--gold);
  color: var(--black);
  padding: 14px 32px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  display: inline-block;
}
.btn-primary:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(200,169,90,0.35);
}
.btn-ghost {
  border: 1px solid rgba(255,255,255,0.2);
  color: var(--white);
  padding: 14px 32px;
  border-radius: 8px;
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.02em;
  transition: border-color var(--transition), background var(--transition);
  display: inline-block;
}
.btn-ghost:hover {
  border-color: var(--gold);
  background: rgba(200,169,90,0.05);
}
.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  margin-bottom: 80px;
}
.stat { text-align: center; }
.stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 32px;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 6px;
}
.stat-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--grey);
  display: block;
  line-height: 1.4;
}
.stat-divider { width: 1px; height: 40px; background: var(--border); }
.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  z-index: 2;
}
.hero-scroll span { font-size: 10px; text-transform: uppercase; letter-spacing: 0.14em; color: var(--grey); }
.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--gold), transparent);
  animation: scroll-pulse 2s ease-in-out infinite;
}
@keyframes scroll-pulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

/* ════════════════════════════════════
   SECTION COMMONS
════════════════════════════════════ */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 64px;
}
.section-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--white);
  margin-bottom: 16px;
}
.section-desc {
  color: var(--grey-light);
  font-size: 16px;
  line-height: 1.7;
}

/* ════════════════════════════════════
   PRODUCTS SECTION
════════════════════════════════════ */
.products-section {
  padding: 100px 40px;
  max-width: 1340px;
  margin: 0 auto;
}
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}
.product-card {
  background: var(--dark2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  border-color: rgba(200,169,90,0.4);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.6);
}
.product-card--featured {
  border-color: rgba(200,169,90,0.2);
}
.product-card--advanced {
  border-color: rgba(168,85,247,0.15);
}
.product-card--advanced:hover {
  border-color: rgba(168,85,247,0.4);
}
.featured-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 10;
  background: var(--gold);
  color: var(--black);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 4px 10px;
  border-radius: 50px;
}
body.rtl .featured-badge { left: auto; right: 12px; }

.product-img-wrap { position: relative; }
.product-img {
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.product-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, transparent 30%, rgba(0,0,0,0.5) 100%);
  pointer-events: none;
}

/* Real photo cards */
.product-img--photo { padding: 0; }
.product-img--photo::after { display: none; }
.prod-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform 0.5s ease;
}
.product-card:hover .prod-photo { transform: scale(1.04); }

/* Styled visual cards (no photo yet) */
.product-img--styled { flex-direction: column; justify-content: center; }
.styled-visual {
  position: relative;
  z-index: 2;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.sv-label {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  opacity: 0.8;
}
.sv-number {
  font-family: var(--font-display);
  font-size: 36px;
  color: var(--gold);
  line-height: 1;
}
.sv-sub {
  font-size: 10px;
  color: var(--grey);
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}
/* Battery bars */
.sv-bars {
  display: flex;
  align-items: flex-end;
  gap: 5px;
  height: 36px;
}
.sv-bar {
  width: 8px;
  background: linear-gradient(to top, var(--gold), rgba(200,169,90,0.3));
  border-radius: 3px 3px 0 0;
  animation: bar-pulse 2s ease-in-out infinite;
}
.sv-bar:nth-child(2) { animation-delay: 0.2s; }
.sv-bar:nth-child(3) { animation-delay: 0.4s; }
.sv-bar:nth-child(4) { animation-delay: 0.6s; }
.sv-bar:nth-child(5) { animation-delay: 0.8s; }
@keyframes bar-pulse { 0%,100%{opacity:0.7} 50%{opacity:1} }

/* Colloidal dots */
.sv-dots {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  width: 80px;
  justify-content: center;
}
.sv-dots span {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--gold);
  opacity: 0.4;
  animation: dot-flicker 3s ease-in-out infinite;
}
.sv-dots span:nth-child(odd) { animation-delay: 0.5s; opacity: 0.7; }
@keyframes dot-flicker { 0%,100%{opacity:0.3} 50%{opacity:0.8} }

/* CNT tubes */
.sv-purple .sv-number { color: #a855f7; }
.sv-purple .sv-label { color: #a855f7; }
.sv-tubes {
  display: flex;
  gap: 10px;
  align-items: center;
}
.sv-tube {
  width: 12px; height: 44px;
  border: 1.5px solid rgba(168,85,247,0.6);
  border-radius: 6px;
  background: rgba(168,85,247,0.08);
  position: relative;
}
.sv-tube::before {
  content: '';
  position: absolute;
  top: 4px; left: 3px; right: 3px; bottom: 4px;
  border: 1px solid rgba(168,85,247,0.3);
  border-radius: 4px;
}

/* Graphene hex */
.sv-teal .sv-number { color: #00c8b4; }
.sv-teal .sv-label { color: #00c8b4; }
.sv-hex-grid { width: 100px; opacity: 0.9; }

.product-icon {
  width: 80px;
  height: 80px;
  position: relative;
  z-index: 2;
  animation: icon-breathe 4s ease-in-out infinite;
}
@keyframes icon-breathe {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}
.product-type-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 3;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 50px;
  background: rgba(200,169,90,0.2);
  border: 1px solid rgba(200,169,90,0.4);
  color: var(--gold);
}
body.rtl .product-type-badge { right: auto; left: 12px; }
.product-type-badge.synth {
  background: rgba(74,158,255,0.15);
  border-color: rgba(74,158,255,0.4);
  color: var(--synth);
}
.product-type-badge.advanced {
  background: rgba(168,85,247,0.15);
  border-color: rgba(168,85,247,0.4);
  color: var(--advanced);
}

.product-body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.product-name {
  font-family: var(--font-display);
  font-size: 24px;
  letter-spacing: 0.02em;
  color: var(--white);
  margin-bottom: 10px;
  line-height: 1.1;
}
.product-desc {
  font-size: 13px;
  color: var(--grey);
  line-height: 1.65;
  margin-bottom: 20px;
}
.specs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 18px;
  background: var(--dark3);
  border-radius: 10px;
  padding: 14px;
}
.spec { display: flex; flex-direction: column; gap: 2px; }
.spec-label {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--grey);
}
.spec-val { font-size: 13px; font-weight: 600; color: var(--white); }
.applications-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 20px;
}
.app-tag {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 50px;
  border: 1px solid var(--border);
  color: var(--grey-light);
  background: var(--dark3);
}
.product-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: auto;
}
.btn-spec {
  padding: 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  color: var(--grey-light);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.03em;
  transition: border-color var(--transition), color var(--transition), background var(--transition);
  font-family: inherit;
}
.btn-spec:hover {
  border-color: var(--gold);
  color: var(--gold);
  background: var(--gold-dim);
}
.btn-quote {
  display: block;
  text-align: center;
  padding: 10px;
  border-radius: 8px;
  background: var(--gold);
  color: var(--black);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: background var(--transition), transform var(--transition);
}
.btn-quote:hover { background: var(--gold-light); transform: scale(1.02); }

/* ════════════════════════════════════
   WHY US
════════════════════════════════════ */
.why-section {
  background: var(--dark2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 100px 40px;
}
.why-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.8fr;
  gap: 80px;
  align-items: start;
}
.why-text { position: sticky; top: 100px; }
.why-desc {
  color: var(--grey-light);
  font-size: 16px;
  line-height: 1.75;
  margin-bottom: 32px;
}
.why-pillars { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.pillar {
  background: var(--dark3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color var(--transition);
}
.pillar:hover { border-color: rgba(200,169,90,0.3); }
.pillar-icon { width: 48px; height: 48px; margin-bottom: 16px; }
.pillar h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--white);
}
.pillar p { font-size: 13px; color: var(--grey); line-height: 1.6; }

/* ════════════════════════════════════
   INDUSTRIES
════════════════════════════════════ */
.industries-section {
  padding: 100px 40px;
  max-width: 1200px;
  margin: 0 auto;
}
.industries-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.industry-tile {
  background: var(--dark2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px;
  text-align: center;
  transition: border-color var(--transition), background var(--transition);
  cursor: default;
}
.industry-tile:hover {
  border-color: rgba(200,169,90,0.3);
  background: var(--dark3);
}
.industry-icon { font-size: 28px; margin-bottom: 12px; }
.industry-tile h4 { font-size: 13px; font-weight: 600; color: var(--grey-light); line-height: 1.4; }

/* ════════════════════════════════════
   CONTACT
════════════════════════════════════ */
.contact-section {
  background: var(--dark2);
  border-top: 1px solid var(--border);
  padding: 100px 40px;
}
.contact-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: start;
}
.contact-text .section-title { text-align: left; }
body.rtl .contact-text .section-title { text-align: right; }
.contact-text p {
  color: var(--grey-light);
  font-size: 15px;
  line-height: 1.75;
  margin-bottom: 32px;
}
.contact-details { display: flex; flex-direction: column; gap: 16px; }
.contact-item { display: flex; align-items: center; gap: 12px; font-size: 14px; color: var(--grey-light); }
.contact-icon { width: 28px; text-align: center; color: var(--gold); }

.contact-form {
  background: var(--dark3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }
.form-group label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--grey);
}
.form-group input,
.form-group select,
.form-group textarea {
  background: var(--dark);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 11px 14px;
  color: var(--white);
  font-size: 14px;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  width: 100%;
}
.form-group select { appearance: none; }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(200,169,90,0.1);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.btn-submit {
  width: 100%;
  background: var(--gold);
  color: var(--black);
  padding: 14px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-family: inherit;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  margin-bottom: 12px;
}
.btn-submit:hover {
  background: var(--gold-light);
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(200,169,90,0.3);
}
.form-note { font-size: 11px; color: var(--grey); text-align: center; }

/* ════════════════════════════════════
   FOOTER
════════════════════════════════════ */
.site-footer {
  background: var(--black);
  border-top: 1px solid var(--border);
  padding: 40px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-links {
  display: flex;
  gap: 24px;
  margin-left: auto;
}
.footer-links a { font-size: 12px; color: var(--grey); transition: color var(--transition); letter-spacing: 0.04em; }
.footer-links a:hover { color: var(--gold); }
.footer-copy { font-size: 11px; color: var(--grey); width: 100%; text-align: center; margin-top: 8px; }

/* ════════════════════════════════════
   FLOATING CHAT
════════════════════════════════════ */
.chat-fab-wrap {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 800;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
}
body.rtl .chat-fab-wrap { right: auto; left: 28px; align-items: flex-start; }
.chat-fab {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--gold);
  color: var(--black);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(200,169,90,0.4);
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
}
.chat-fab:hover { transform: scale(1.08); box-shadow: 0 8px 32px rgba(200,169,90,0.5); }
.chat-fab svg { width: 24px; height: 24px; transition: opacity var(--transition), transform var(--transition); }
.fab-icon-close {
  position: absolute;
  opacity: 0;
  transform: rotate(-90deg) scale(0.5);
}
.chat-fab.open .fab-icon-open { opacity: 0; transform: rotate(90deg) scale(0.5); }
.chat-fab.open .fab-icon-close { opacity: 1; transform: rotate(0) scale(1); }

.chat-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity var(--transition), transform var(--transition);
}
.chat-options.open {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}
.chat-opt {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--dark2);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 9px 18px 9px 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--white);
  white-space: nowrap;
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
  box-shadow: var(--shadow);
}
.chat-opt:hover { transform: translateX(-4px); border-color: rgba(200,169,90,0.4); }
body.rtl .chat-opt:hover { transform: translateX(4px); }
.chat-opt svg { width: 18px; height: 18px; }
.chat-wa { color: #25D366; }
.chat-wa:hover { background: rgba(37,211,102,0.1); border-color: rgba(37,211,102,0.4); }
.chat-email:hover { background: rgba(74,158,255,0.1); border-color: rgba(74,158,255,0.3); }
.chat-quote:hover { background: var(--gold-dim); border-color: rgba(200,169,90,0.4); }

.chat-tooltip {
  position: absolute;
  right: 70px;
  bottom: 14px;
  background: var(--dark2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
  box-shadow: var(--shadow);
  animation: tooltip-bounce 3s 2s ease-in-out forwards;
  opacity: 0;
}
body.rtl .chat-tooltip { right: auto; left: 70px; }
@keyframes tooltip-bounce {
  0% { opacity: 0; transform: translateX(8px); }
  10% { opacity: 1; transform: translateX(0); }
  80% { opacity: 1; }
  100% { opacity: 0; }
}

/* ════════════════════════════════════
   MODAL
════════════════════════════════════ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.85);
  backdrop-filter: blur(8px);
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}
.modal-box {
  background: var(--dark2);
  border: 1px solid rgba(200,169,90,0.2);
  border-radius: var(--radius-lg);
  max-width: 600px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  position: relative;
  transform: scale(0.95);
  transition: transform 0.3s;
}
.modal-overlay.open .modal-box { transform: scale(1); }
.modal-close {
  position: sticky;
  top: 16px;
  left: calc(100% - 48px);
  width: 36px;
  height: 36px;
  background: var(--dark3);
  border-radius: 50%;
  color: var(--grey-light);
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  float: right;
  margin: 16px 16px 0 0;
  transition: color var(--transition), background var(--transition);
  z-index: 10;
}
.modal-close:hover { color: var(--gold); background: var(--gold-dim); }
.modal-content { padding: 24px 28px 28px; }
.modal-content h2 {
  font-family: var(--font-display);
  font-size: 32px;
  color: var(--white);
  margin-bottom: 8px;
}
.modal-content .modal-subtitle { font-size: 13px; color: var(--grey); margin-bottom: 24px; }
.modal-specs-full { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 24px; }
.modal-spec-item {
  background: var(--dark3);
  border-radius: 10px;
  padding: 14px;
}
.modal-spec-item .sl { font-size: 10px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--grey); margin-bottom: 4px; }
.modal-spec-item .sv { font-size: 15px; font-weight: 600; color: var(--white); }
.modal-cta-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* ════════════════════════════════════
   TOAST
════════════════════════════════════ */
.toast {
  position: fixed;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--dark2);
  border: 1px solid var(--gold);
  border-radius: 50px;
  padding: 12px 24px;
  font-size: 14px;
  font-weight: 600;
  color: var(--gold);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s, transform 0.4s;
  z-index: 9999;
  white-space: nowrap;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ════════════════════════════════════
   SCROLL ANIMATIONS
════════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ════════════════════════════════════
   RESPONSIVE
════════════════════════════════════ */
@media (max-width: 1024px) {
  .why-inner { grid-template-columns: 1fr; gap: 48px; }
  .why-text { position: static; }
  .industries-grid { grid-template-columns: repeat(4, 1fr); }
  .contact-inner { grid-template-columns: 1fr; gap: 48px; }
}

@media (max-width: 768px) {
  .site-header { padding: 0 20px; }
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .mobile-menu { display: flex; }
  .hero { padding: 90px 20px 60px; }
  .hero-title { font-size: clamp(60px, 18vw, 100px); }
  .products-section { padding: 60px 20px; }
  .products-grid { grid-template-columns: 1fr; }
  .why-section, .industries-section, .contact-section { padding: 60px 20px; }
  .why-pillars { grid-template-columns: 1fr; }
  .industries-grid { grid-template-columns: repeat(2, 1fr); }
  .form-row { grid-template-columns: 1fr; }
  .modal-specs-full { grid-template-columns: 1fr 1fr; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .footer-links { margin-left: 0; }
}

@media (max-width: 480px) {
  .industries-grid { grid-template-columns: 1fr 1fr; }
  .hero-stats { gap: 16px; }
  .product-actions { grid-template-columns: 1fr; }
}