/* ============================================
   RXT Innovations – style.css
   Dark tech palette: #0A0B0F, #111318, #1a1d27
   Accent: #4DA8DA (logo blue), #5bbfe8
   ============================================ */

/* ---- CSS Variables ---- */
:root {
  --bg-primary:   #0A0B0F;
  --bg-secondary: #111318;
  --bg-card:      #141720;
  --bg-card-hover:#181c2a;
  --accent:       #4DA8DA;
  --accent-light: #6ec4ee;
  --accent-glow:  rgba(77,168,218,0.18);
  --text-primary: #E8ECF0;
  --text-secondary:#8A93A8;
  --text-muted:   #525870;
  --border:       rgba(77,168,218,0.12);
  --border-card:  rgba(255,255,255,0.06);
  --radius:       12px;
  --radius-lg:    20px;
  --transition:   0.3s ease;
  --font-display: 'Syne', sans-serif;
  --font-body:    'DM Sans', sans-serif;
  --max-w:        1180px;
  --section-pad:  100px;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }

/* ---- Utility ---- */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.gradient-text {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 60%, #a8d8f0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-label {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
  display: block;
}
.section-header { text-align: center; margin-bottom: 64px; }
.section-header h2 { font-family: var(--font-display); font-size: clamp(28px, 3.5vw, 44px); font-weight: 800; line-height: 1.15; margin-bottom: 16px; }
.section-header .section-label { justify-content: center; display: block; }
.section-sub { color: var(--text-secondary); font-size: 17px; max-width: 540px; margin: 0 auto; }
.section { padding: var(--section-pad) 0; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.3px;
  transition: var(--transition);
  white-space: nowrap;
  cursor: pointer;
  text-decoration: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, #3a90c2 100%);
  color: #fff;
  box-shadow: 0 4px 20px rgba(77,168,218,0.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(77,168,218,0.45); }
.btn-whatsapp {
  background: linear-gradient(135deg, #25D366 0%, #1aab53 100%);
  color: #fff;
  box-shadow: 0 4px 20px rgba(37,211,102,0.25);
}
.btn-whatsapp:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(37,211,102,0.4); }
.btn-outline {
  border: 1px solid var(--accent);
  color: var(--accent);
  background: transparent;
}
.btn-outline:hover { background: var(--accent-glow); }
.btn-full { width: 100%; justify-content: center; }
.btn-lg { padding: 16px 36px; font-size: 16px; }

/* ---- HEADER ---- */
header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(10,11,15,0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.nav-container {
  display: flex;
  align-items: center;
  gap: 32px;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: 70px;
}
.nav-logo { flex-shrink: 0; }
.nav-logo img { height: 38px; width: auto; object-fit: contain; }
.nav-links {
  display: flex;
  gap: 32px;
  margin-left: auto;
}
.nav-links a {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--accent); }
.nav-cta { margin-left: 16px; padding: 9px 20px; font-size: 13px; }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  margin-left: auto;
}
.nav-toggle span {
  display: block; width: 24px; height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* ---- HERO ---- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 70px;
}
.hero-grid-overlay {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(77,168,218,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(77,168,218,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 80% at 50% 40%, black 30%, transparent 100%);
}
.hero-glow {
  position: absolute;
  top: 10%; left: 50%;
  transform: translateX(-50%);
  width: 700px; height: 500px;
  background: radial-gradient(ellipse, rgba(77,168,218,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 80px 24px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border);
  background: rgba(77,168,218,0.06);
  padding: 7px 18px;
  border-radius: 100px;
  font-size: 13px;
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--accent-light);
  margin-bottom: 28px;
  letter-spacing: 0.3px;
}
.badge-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #25D366;
  box-shadow: 0 0 6px rgba(37,211,102,0.8);
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 5.5vw, 72px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1px;
  margin-bottom: 24px;
}
.hero-sub {
  color: var(--text-secondary);
  font-size: clamp(15px, 1.8vw, 18px);
  max-width: 620px;
  margin: 0 auto 40px;
  line-height: 1.75;
}
.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 56px;
}
.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}
.stat { text-align: center; }
.stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 800;
  color: var(--accent);
}
.stat-label {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
}
.stat-divider {
  width: 1px; height: 48px;
  background: var(--border-card);
}
.hero-scroll-hint {
  position: absolute;
  bottom: 28px; left: 50%;
  transform: translateX(-50%);
}
.hero-scroll-hint span {
  display: block; width: 20px; height: 32px;
  border: 2px solid var(--border);
  border-radius: 100px;
  position: relative;
}
.hero-scroll-hint span::before {
  content: '';
  position: absolute; top: 5px; left: 50%;
  transform: translateX(-50%);
  width: 4px; height: 6px;
  background: var(--accent);
  border-radius: 2px;
  animation: scroll-dot 2s infinite;
}
@keyframes scroll-dot {
  0% { transform: translateX(-50%) translateY(0); opacity: 1; }
  100% { transform: translateX(-50%) translateY(14px); opacity: 0; }
}

/* ---- ABOUT ---- */
.about-section { background: var(--bg-secondary); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 80px;
  align-items: center;
}
.about-visual {
  position: relative;
  height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.about-cube-wrap {
  width: 120px; height: 120px;
  perspective: 400px;
}
.cube {
  width: 100%; height: 100%;
  transform-style: preserve-3d;
  animation: rotate-cube 12s linear infinite;
}
.cube-face {
  position: absolute; inset: 0;
  border: 1px solid var(--accent);
  background: rgba(77,168,218,0.04);
}
.cube-face.front  { transform: translateZ(60px); }
.cube-face.back   { transform: rotateY(180deg) translateZ(60px); }
.cube-face.left   { transform: rotateY(-90deg) translateZ(60px); }
.cube-face.right  { transform: rotateY(90deg) translateZ(60px); }
.cube-face.top    { transform: rotateX(90deg) translateZ(60px); }
.cube-face.bottom { transform: rotateX(-90deg) translateZ(60px); }
@keyframes rotate-cube {
  from { transform: rotateX(20deg) rotateY(0deg); }
  to   { transform: rotateX(20deg) rotateY(360deg); }
}
.about-tag {
  position: absolute;
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 8px 16px;
  border-radius: 8px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 1px;
  text-transform: uppercase;
  animation: float-tag 3s ease-in-out infinite;
}
.tag-1 { top: 15%; left: 0; animation-delay: 0s; }
.tag-2 { top: 15%; right: 0; animation-delay: 0.5s; }
.tag-3 { bottom: 15%; left: 5%; animation-delay: 1s; }
.tag-4 { bottom: 15%; right: 5%; animation-delay: 1.5s; }
@keyframes float-tag {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
.about-content h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
}
.about-content p {
  color: var(--text-secondary);
  margin-bottom: 16px;
  font-size: 16px;
}
.about-content strong { color: var(--text-primary); font-weight: 600; }
.about-content .btn { margin-top: 8px; }

/* ---- SERVICES ---- */
.services-section { background: var(--bg-primary); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.4s;
}
.service-card:hover {
  border-color: var(--border);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.4), 0 0 0 1px var(--border);
}
.service-card:hover::before { opacity: 1; }
.svc-icon {
  width: 56px; height: 56px;
  background: var(--accent-glow);
  border: 1px solid var(--border);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  color: var(--accent);
  margin-bottom: 24px;
  transition: var(--transition);
}
.service-card:hover .svc-icon {
  background: rgba(77,168,218,0.2);
  box-shadow: 0 0 20px var(--accent-glow);
}
.service-card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--text-primary);
}
.service-card p {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 20px;
}
.svc-tags {
  display: flex; gap: 8px; flex-wrap: wrap;
}
.svc-tags li {
  background: rgba(77,168,218,0.08);
  border: 1px solid var(--border);
  color: var(--accent);
  font-size: 12px;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.5px;
  padding: 4px 12px;
  border-radius: 100px;
}

/* ---- WHY US ---- */
.why-section { background: var(--bg-secondary); }
.why-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.why-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  padding: 36px 32px;
  transition: var(--transition);
}
.why-card:hover {
  border-color: var(--border);
  transform: translateY(-3px);
}
.why-icon {
  width: 48px; height: 48px;
  background: var(--accent-glow);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: var(--accent);
  margin-bottom: 20px;
}
.why-card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
}
.why-card p { color: var(--text-secondary); font-size: 15px; }

/* ---- CONTACT ---- */
.contact-section { background: var(--bg-primary); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 80px;
  align-items: start;
}
.contact-info h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
}
.contact-info > p {
  color: var(--text-secondary);
  font-size: 16px;
  margin-bottom: 36px;
}
.contact-detail {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  padding: 18px 22px;
}
.contact-icon {
  width: 44px; height: 44px;
  background: var(--accent-glow);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}
.detail-label { font-size: 12px; color: var(--text-muted); font-family: var(--font-display); font-weight: 600; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 2px; }
.detail-val { color: var(--accent-light); font-size: 15px; font-weight: 500; }
.detail-val:hover { text-decoration: underline; }

/* Contact Form */
.contact-form-wrap { position: relative; }
.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 44px 40px;
}
.form-group { margin-bottom: 22px; }
.form-group label {
  display: block;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  margin-bottom: 8px;
  text-transform: uppercase;
}
.form-group input,
.form-group textarea {
  width: 100%;
  background: var(--bg-secondary);
  border: 1px solid var(--border-card);
  border-radius: 8px;
  padding: 13px 16px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 15px;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); }

.form-success {
  position: absolute; inset: 0;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px;
  gap: 12px;
}
.form-success[hidden] { display: none; }
.form-success h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: #25D366;
}
.form-success p { color: var(--text-secondary); }

/* ---- FOOTER ---- */
footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-card);
  padding: 56px 0 32px;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  text-align: center;
}
.footer-brand img { height: 36px; width: auto; margin: 0 auto 12px; }
.footer-brand p { color: var(--text-muted); font-size: 14px; max-width: 320px; }
.footer-links {
  display: flex; gap: 24px; flex-wrap: wrap; justify-content: center;
}
.footer-links a {
  color: var(--text-secondary);
  font-size: 14px;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.3px;
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--accent); }
.footer-copy {
  color: var(--text-muted);
  font-size: 13px;
  border-top: 1px solid var(--border-card);
  padding-top: 24px;
  width: 100%;
  text-align: center;
}

/* ---- Floating WhatsApp ---- */
.float-wa {
  position: fixed;
  bottom: 28px; right: 28px;
  z-index: 999;
  width: 58px; height: 58px;
  background: linear-gradient(135deg, #25D366, #1aab53);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  box-shadow: 0 6px 24px rgba(37,211,102,0.4);
  transition: var(--transition);
}
.float-wa:hover {
  transform: scale(1.12);
  box-shadow: 0 10px 36px rgba(37,211,102,0.55);
}

/* ---- Scroll Animations ---- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 900px) {
  :root { --section-pad: 72px; }
  .about-grid,
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-visual { height: 280px; }
  .services-grid,
  .why-grid { grid-template-columns: 1fr; }
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 70px; left: 0; right: 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 24px;
    gap: 20px;
    z-index: 999;
  }
  .nav-links.open + .nav-cta { display: flex; }
}
@media (max-width: 600px) {
  :root { --section-pad: 56px; }
  .hero-content { padding: 56px 16px; }
  .hero-actions { flex-direction: column; align-items: center; }
  .contact-form { padding: 28px 20px; }
  .service-card { padding: 28px 24px; }
}