/* ===== RUBIXFIT STYLES ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --black: #0a0a0a;
  --white: #f5f5f5;
  --accent: #c8102e;
  --accent-dark: #9b0c23;
  --gray-100: #e8e8e8;
  --gray-200: #d0d0d0;
  --gray-400: #888;
  --gray-600: #555;
  --gray-800: #222;
  --font-display: 'Oswald', sans-serif;
  --font-body: 'Source Sans 3', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  background: var(--black);
  color: var(--white);
  font-family: var(--font-body);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ===== LOADING SCREEN ===== */
.loader {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--black);
  display: flex; align-items: center; justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}
.loader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.loader-cube {
  width: 60px; height: 60px;
  border: 3px solid var(--accent);
  animation: cubeRotate 1.2s ease-in-out infinite;
}
@keyframes cubeRotate {
  0% { transform: rotate(0deg) scale(1); }
  50% { transform: rotate(180deg) scale(0.8); }
  100% { transform: rotate(360deg) scale(1); }
}

/* ===== NAV ===== */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 20px 60px;
  display: flex; align-items: center; justify-content: space-between;
  background: rgba(10,10,10,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  transition: all 0.4s ease;
}
nav.scrolled { padding: 14px 60px; background: rgba(10,10,10,0.95); }
.nav-logo {
  font-family: var(--font-display);
  font-size: 28px; font-weight: 700;
  letter-spacing: 3px; text-transform: uppercase;
  color: var(--white);
  text-decoration: none;
}
.nav-logo span { color: var(--accent); }
.nav-links { display: flex; gap: 40px; list-style: none; }
.nav-links a {
  color: var(--gray-200); text-decoration: none;
  font-family: var(--font-display);
  font-size: 13px; font-weight: 400;
  letter-spacing: 3px; text-transform: uppercase;
  position: relative;
  transition: color 0.3s ease;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 2px; background: var(--accent);
  transition: width 0.3s ease;
}
.nav-links a:hover { color: var(--white); }
.nav-links a:hover::after { width: 100%; }
.nav-cta {
  background: var(--accent); color: var(--white);
  border: none; padding: 12px 32px;
  font-family: var(--font-display);
  font-size: 12px; font-weight: 600;
  letter-spacing: 3px; text-transform: uppercase;
  cursor: pointer; text-decoration: none;
  transition: all 0.3s ease;
}
.nav-cta:hover { background: var(--accent-dark); transform: translateY(-1px); }

.hamburger {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; background: none; border: none; padding: 5px;
}
.hamburger span {
  width: 28px; height: 2px; background: var(--white);
  transition: all 0.3s ease;
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex; align-items: center;
  position: relative;
  overflow: hidden;
  padding: 120px 60px 80px;
}
.hero-bg {
  position: absolute; inset: 0;
  background: 
    radial-gradient(ellipse at 80% 50%, rgba(200,16,46,0.15) 0%, transparent 60%),
    radial-gradient(ellipse at 20% 80%, rgba(200,16,46,0.08) 0%, transparent 50%);
}
.hero-grid {
  position: absolute; inset: 0;
  background-image: 
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 80px 80px;
}
.hero-content { position: relative; z-index: 2; max-width: 800px; }
.hero-tag {
  font-family: var(--font-display);
  font-size: 12px; font-weight: 400;
  letter-spacing: 6px; text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
  opacity: 0; transform: translateY(20px);
  animation: fadeUp 0.8s ease 0.8s forwards;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(52px, 8vw, 120px);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -1px;
  text-transform: uppercase;
  opacity: 0; transform: translateY(40px);
  animation: fadeUp 0.8s ease 1s forwards;
}
.hero h1 .outline {
  -webkit-text-stroke: 2px var(--white);
  color: transparent;
}
.hero h1 .accent { color: var(--accent); }
.hero-desc {
  font-size: 18px; font-weight: 300;
  line-height: 1.7; color: var(--gray-200);
  margin-top: 32px; max-width: 520px;
  opacity: 0; transform: translateY(20px);
  animation: fadeUp 0.8s ease 1.2s forwards;
}
.hero-actions {
  display: flex; gap: 20px; margin-top: 48px;
  opacity: 0; transform: translateY(20px);
  animation: fadeUp 0.8s ease 1.4s forwards;
}
.btn-primary {
  display: inline-flex; align-items: center; gap: 12px;
  background: var(--accent); color: var(--white);
  padding: 18px 40px;
  font-family: var(--font-display);
  font-size: 13px; font-weight: 600;
  letter-spacing: 3px; text-transform: uppercase;
  text-decoration: none; border: none; cursor: pointer;
  transition: all 0.4s ease;
}
.btn-primary:hover { background: var(--accent-dark); gap: 18px; }
.btn-primary svg { transition: transform 0.3s ease; }
.btn-primary:hover svg { transform: translateX(4px); }
.btn-secondary {
  display: inline-flex; align-items: center; gap: 12px;
  background: transparent; color: var(--white);
  padding: 18px 40px;
  font-family: var(--font-display);
  font-size: 13px; font-weight: 600;
  letter-spacing: 3px; text-transform: uppercase;
  text-decoration: none; border: 1px solid rgba(255,255,255,0.2);
  cursor: pointer; transition: all 0.3s ease;
}
.btn-secondary:hover { border-color: var(--white); background: rgba(255,255,255,0.05); }

.hero-stats {
  display: flex; gap: 60px; margin-top: 80px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.08);
  opacity: 0; transform: translateY(20px);
  animation: fadeUp 0.8s ease 1.6s forwards;
}
.stat-num {
  font-family: var(--font-display);
  font-size: 48px; font-weight: 700; color: var(--white);
}
.stat-num span { color: var(--accent); }
.stat-label {
  font-size: 12px; letter-spacing: 3px; text-transform: uppercase;
  color: var(--gray-400); margin-top: 4px;
}

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

/* ===== SCROLL ANIMATIONS ===== */
.reveal {
  opacity: 0; transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ===== SECTION HEADERS ===== */
.section-header {
  display: flex; align-items: flex-end; justify-content: space-between;
  margin-bottom: 60px;
}
.section-tag {
  font-family: var(--font-display);
  font-size: 11px; font-weight: 400;
  letter-spacing: 5px; text-transform: uppercase;
  color: var(--accent); margin-bottom: 16px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 700; text-transform: uppercase;
  line-height: 1;
}

/* ===== CATEGORIES ===== */
.categories {
  padding: 120px 60px;
  background: var(--black);
}
.cat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.cat-card {
  position: relative;
  height: 520px;
  overflow: hidden;
  cursor: pointer;
  background: var(--gray-800);
}
.cat-card-img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.8s ease;
  filter: brightness(0.5);
}
.cat-card:hover .cat-card-img {
  transform: scale(1.08);
  filter: brightness(0.35);
}
.cat-overlay {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  justify-content: flex-end;
  padding: 40px;
  background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 60%);
}
.cat-num {
  font-family: var(--font-display);
  font-size: 80px; font-weight: 700;
  color: rgba(255,255,255,0.06);
  position: absolute; top: 20px; left: 30px;
}
.cat-name {
  font-family: var(--font-display);
  font-size: 32px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 2px;
}
.cat-desc {
  font-size: 14px; color: var(--gray-200);
  margin-top: 8px; line-height: 1.5;
  max-height: 0; overflow: hidden;
  transition: max-height 0.5s ease, margin-top 0.3s ease;
}
.cat-card:hover .cat-desc { max-height: 100px; margin-top: 12px; }
.cat-line {
  width: 40px; height: 2px; background: var(--accent);
  margin-top: 16px;
  transition: width 0.4s ease;
}
.cat-card:hover .cat-line { width: 80px; }

/* ===== PRODUCTS SHOWCASE ===== */
.products {
  padding: 120px 60px;
  background: #0d0d0d;
}
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.product-card {
  position: relative;
  background: #151515;
  overflow: hidden;
  transition: transform 0.4s ease;
}
.product-card:hover { transform: translateY(-8px); }
.product-img-wrap {
  position: relative;
  height: 380px;
  overflow: hidden;
  background: #1a1a1a;
  display: flex; align-items: center; justify-content: center;
}
.product-img-wrap img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.6s ease;
}
.product-card:hover .product-img-wrap img { transform: scale(1.06); }
.product-badge {
  position: absolute; top: 16px; left: 16px;
  background: var(--accent); color: var(--white);
  font-family: var(--font-display);
  font-size: 10px; font-weight: 600;
  letter-spacing: 2px; text-transform: uppercase;
  padding: 6px 14px;
}
.product-info { padding: 24px; }
.product-category {
  font-size: 10px; letter-spacing: 3px;
  text-transform: uppercase; color: var(--accent);
  margin-bottom: 8px;
}
.product-name {
  font-family: var(--font-display);
  font-size: 18px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 1px;
}
.product-meta {
  font-size: 13px; color: var(--gray-400);
  margin-top: 6px;
}
.product-moq {
  display: inline-block; margin-top: 12px;
  font-family: var(--font-display);
  font-size: 11px; font-weight: 500;
  letter-spacing: 2px; text-transform: uppercase;
  color: var(--gray-200);
  padding: 8px 16px;
  border: 1px solid rgba(255,255,255,0.1);
}

/* ===== CAPABILITIES ===== */
.capabilities {
  padding: 120px 60px;
  background: var(--black);
}
.cap-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.cap-card {
  padding: 60px;
  background: #111;
  border: 1px solid rgba(255,255,255,0.04);
  position: relative;
  overflow: hidden;
  transition: border-color 0.4s ease;
}
.cap-card:hover { border-color: rgba(200,16,46,0.3); }
.cap-card::before {
  content: '';
  position: absolute; top: 0; left: 0;
  width: 4px; height: 0;
  background: var(--accent);
  transition: height 0.6s ease;
}
.cap-card:hover::before { height: 100%; }
.cap-icon {
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 28px;
}
.cap-icon svg { color: var(--accent); }
.cap-title {
  font-family: var(--font-display);
  font-size: 24px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 2px;
  margin-bottom: 16px;
}
.cap-text {
  font-size: 15px; line-height: 1.7;
  color: var(--gray-400);
}

/* ===== PROCESS ===== */
.process {
  padding: 120px 60px;
  background: #0d0d0d;
}
.process-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  position: relative;
}
.process-steps::before {
  content: ''; position: absolute;
  top: 40px; left: 10%; right: 10%;
  height: 1px; background: rgba(255,255,255,0.08);
}
.step {
  text-align: center;
  padding: 0 20px;
}
.step-num {
  width: 80px; height: 80px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.1);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 28px;
  font-family: var(--font-display);
  font-size: 28px; font-weight: 700;
  color: var(--accent);
  position: relative;
  background: #0d0d0d;
  transition: all 0.4s ease;
}
.step:hover .step-num {
  border-color: var(--accent);
  background: rgba(200,16,46,0.1);
}
.step-title {
  font-family: var(--font-display);
  font-size: 14px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 2px;
  margin-bottom: 12px;
}
.step-desc {
  font-size: 13px; color: var(--gray-400);
  line-height: 1.6;
}

/* ===== MATERIALS ===== */
.materials {
  padding: 120px 60px;
  background: var(--black);
}
.materials-row {
  display: flex; gap: 12px;
  flex-wrap: wrap; justify-content: center;
}
.mat-chip {
  padding: 16px 36px;
  border: 1px solid rgba(255,255,255,0.1);
  font-family: var(--font-display);
  font-size: 13px; font-weight: 500;
  letter-spacing: 3px; text-transform: uppercase;
  color: var(--gray-200);
  transition: all 0.3s ease;
  cursor: default;
}
.mat-chip:hover {
  border-color: var(--accent);
  color: var(--white);
  background: rgba(200,16,46,0.08);
}

/* ===== CTA BANNER ===== */
.cta-banner {
  padding: 140px 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
  background: 
    radial-gradient(ellipse at center, rgba(200,16,46,0.2) 0%, transparent 60%),
    var(--black);
}
.cta-banner h2 {
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, 80px);
  font-weight: 700; text-transform: uppercase;
  line-height: 1; margin-bottom: 24px;
}
.cta-banner h2 .accent { color: var(--accent); }
.cta-banner p {
  font-size: 18px; color: var(--gray-200);
  max-width: 600px; margin: 0 auto 48px;
  line-height: 1.7;
}
.cta-buttons { display: flex; gap: 20px; justify-content: center; }

/* ===== FOOTER ===== */
footer {
  padding: 80px 60px 40px;
  background: #080808;
  border-top: 1px solid rgba(255,255,255,0.04);
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.footer-brand-name {
  font-family: var(--font-display);
  font-size: 24px; font-weight: 700;
  letter-spacing: 3px; text-transform: uppercase;
  margin-bottom: 16px;
}
.footer-brand-name span { color: var(--accent); }
.footer-brand p {
  font-size: 14px; color: var(--gray-400);
  line-height: 1.7; max-width: 320px;
}
.footer-col h4 {
  font-family: var(--font-display);
  font-size: 12px; font-weight: 600;
  letter-spacing: 4px; text-transform: uppercase;
  color: var(--white); margin-bottom: 24px;
}
.footer-col a {
  display: block; color: var(--gray-400);
  text-decoration: none; font-size: 14px;
  margin-bottom: 12px;
  transition: color 0.3s ease;
}
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 30px;
  font-size: 12px; color: var(--gray-600);
  letter-spacing: 1px;
}

/* ===== MOBILE MENU ===== */
.mobile-menu {
  display: none;
  position: fixed; inset: 0; z-index: 999;
  background: rgba(10,10,10,0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  flex-direction: column;
  align-items: center; justify-content: center;
  gap: 32px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  font-family: var(--font-display);
  font-size: 28px; font-weight: 600;
  letter-spacing: 4px; text-transform: uppercase;
  color: var(--white); text-decoration: none;
  transition: color 0.3s ease;
}
.mobile-menu a:hover { color: var(--accent); }
.mobile-close {
  position: absolute; top: 24px; right: 24px;
  background: none; border: none; color: var(--white);
  font-size: 32px; cursor: pointer;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1100px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: repeat(3, 1fr); gap: 30px; }
  .process-steps::before { display: none; }
}
@media (max-width: 900px) {
  nav { padding: 16px 24px; }
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .hero { padding: 120px 24px 60px; }
  .categories, .products, .capabilities, .process, .materials, .cta-banner, footer { padding-left: 24px; padding-right: 24px; }
  .cat-grid { grid-template-columns: 1fr; }
  .cat-card { height: 360px; }
  .cap-grid { grid-template-columns: 1fr; }
  .cap-card { padding: 36px; }
  .process-steps { grid-template-columns: 1fr 1fr; }
  .hero-stats { gap: 30px; flex-wrap: wrap; }
  .stat-num { font-size: 36px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 40px; }
  .hero-actions { flex-direction: column; }
  .cta-buttons { flex-direction: column; align-items: center; }
  .section-header { flex-direction: column; align-items: flex-start; gap: 16px; }
}
@media (max-width: 600px) {
  .product-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .materials-row { gap: 8px; }
  .mat-chip { padding: 12px 20px; font-size: 11px; }
}