:root {
  --orange: #F5A623;
  --orange-dark: #d4881a;
  --charcoal: #333333;
  --grey: #999999;
  --light-grey: #f4f4f4;
  --white: #ffffff;
  --dark-bg: #1e1e1e;
  --section-pad: 100px 0;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'DM Sans', sans-serif; color: var(--charcoal); background: var(--white); overflow-x: hidden; }

/* ─── LANG SWITCHER ─── */
.lang-switcher { display: flex; gap: 4px; margin-left: 20px; }
.lang-btn {
  background: none; border: 1px solid rgba(0,0,0,0.12); border-radius: 4px;
  font-family: 'DM Sans', sans-serif; font-size: 11px; font-weight: 600;
  color: var(--grey); padding: 4px 8px; cursor: pointer;
  letter-spacing: 0.5px; transition: all .2s;
}
.lang-btn:hover { border-color: var(--orange); color: var(--orange); }
.lang-btn.active { background: var(--orange); border-color: var(--orange); color: #fff; }

/* ─── NAV ─── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 60px;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0,0,0,0.07);
  transition: box-shadow .3s;
}
nav.scrolled { box-shadow: 0 4px 30px rgba(0,0,0,0.08); }
.nav-logo { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.logo-icon { width: 38px; height: 38px; border: 2.5px solid var(--grey); border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.logo-rect { width: 14px; height: 20px; background: var(--orange); border-radius: 2px; }
.logo-text { display: flex; flex-direction: column; line-height: 1; }
.logo-text .brand { font-family: 'DM Sans', sans-serif; font-weight: 700; font-size: 18px; color: var(--charcoal); letter-spacing: -0.3px; }
.logo-text .tagline { font-size: 11px; color: var(--orange); font-weight: 500; letter-spacing: 0.5px; margin-top: 1px; }
.nav-links { display: flex; gap: 36px; list-style: none; }
.nav-links a { text-decoration: none; color: var(--charcoal); font-size: 14px; font-weight: 500; letter-spacing: 0.2px; transition: color .2s; }
.nav-links a:hover { color: var(--orange); }
.nav-cta { background: var(--orange); color: #fff !important; padding: 10px 22px; border-radius: 6px; font-weight: 600 !important; transition: background .2s !important; }
.nav-cta:hover { background: var(--orange-dark) !important; color: #fff !important; }

/* ─── HERO ─── */
#hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: stretch;
  gap: 0;
  padding-top: 0;
  overflow: hidden;
  position: relative;
  margin-bottom: 0;
  background: linear-gradient(to right, #ffffff 50%, #f0f0f0 50%);
}
.hero-left {
  padding: 100px 60px 20px 80px;
  position: relative; z-index: 2;
  display: flex; flex-direction: column; justify-content: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(245,166,35,0.12); border: 1px solid rgba(245,166,35,0.3);
  color: var(--orange-dark); padding: 6px 14px; border-radius: 20px;
  font-size: 12px; font-weight: 600; letter-spacing: 0.8px; text-transform: uppercase;
  margin-bottom: 28px;
  opacity: 0; animation: fadeUp .6s .2s forwards;
}
.hero-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(52px, 6vw, 88px);
  line-height: 0.92;
  color: var(--charcoal);
  letter-spacing: 1px;
  margin-bottom: 24px;
  opacity: 0; animation: fadeUp .6s .35s forwards;
}
.hero-title span, .hero-title .orange { color: var(--orange); display: block; }
.hero-sub {
  font-size: 17px; line-height: 1.6; color: #555;
  font-weight: 300; max-width: 440px;
  margin-bottom: 40px;
  opacity: 0; animation: fadeUp .6s .5s forwards;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; opacity: 0; animation: fadeUp .6s .65s forwards; }
.btn-primary { background: var(--orange); color: #fff; padding: 14px 30px; border-radius: 8px; text-decoration: none; font-weight: 600; font-size: 15px; transition: background .2s, transform .2s; display: inline-block; }
.btn-primary:hover { background: var(--orange-dark); transform: translateY(-1px); }
.btn-secondary { background: transparent; color: var(--charcoal); padding: 14px 30px; border-radius: 8px; border: 1.5px solid #ddd; text-decoration: none; font-weight: 500; font-size: 15px; transition: border-color .2s, color .2s; }
.btn-secondary:hover { border-color: var(--orange); color: var(--orange); }
.hero-stats { display: flex; gap: 40px; margin-top: 36px; opacity: 0; animation: fadeUp .6s .8s forwards; }
.stat-num { font-family: 'Bebas Neue'; font-size: 42px; color: var(--orange); line-height: 1; }
.stat-label { font-size: 12px; color: var(--grey); font-weight: 500; text-transform: uppercase; letter-spacing: 0.5px; margin-top: 2px; }
.hero-right {
  background: #f0f0f0;
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
  padding: 0;
}
.hero-right::before, .hero-right::after { display: none; }
.hero-bulb {
  width: 100%;
  height: 100%;
  object-fit: contain;
  position: absolute;
  top: 0; left: 0;
  opacity: 0.88;
  animation: fadeUp .8s .5s both;
  padding: 60px;
  box-sizing: border-box;
}

/* ─── SECTIONS SHARED ─── */
section { padding: var(--section-pad); }
.container { max-width: 1140px; margin: 0 auto; padding: 0 40px; }
.section-label { display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--orange); margin-bottom: 12px; }
.section-title { font-family: 'Bebas Neue'; font-size: clamp(36px, 4vw, 56px); line-height: 1; color: var(--charcoal); margin-bottom: 16px; }
.section-sub { font-size: 16px; color: #666; max-width: 560px; line-height: 1.65; font-weight: 300; }

/* ─── EXPERIENCE BAR ─── */
#experience { background: var(--dark-bg); padding: 70px 0; position: relative; overflow: hidden; margin-top: 0; }
#experience::before { content: ''; position: absolute; inset: 0; background: repeating-linear-gradient(90deg, rgba(245,166,35,0.03) 0, rgba(245,166,35,0.03) 1px, transparent 1px, transparent 80px); }
.exp-inner { display: flex; align-items: center; justify-content: center; gap: 0; flex-wrap: wrap; }
.exp-item { padding: 24px 32px; border-right: 1px solid rgba(255,255,255,0.08); text-align: center; }
.exp-item:last-child { border-right: none; }
.exp-num { font-family: 'Bebas Neue'; font-size: 56px; color: var(--orange); line-height: 1; }
.exp-label { font-size: 12px; color: rgba(255,255,255,0.5); font-weight: 500; text-transform: uppercase; letter-spacing: 1px; margin-top: 4px; }

/* ─── SERVICES ─── */
#services { background: var(--light-grey); }
.services-header { margin-bottom: 60px; }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card { background: var(--white); border-radius: 12px; padding: 36px 32px; border: 1px solid #eee; transition: border-color .3s, transform .3s, box-shadow .3s; position: relative; overflow: hidden; }
.service-card.featured { border-color: rgba(245,166,35,0.4); background: #fffcf4; box-shadow: 0 8px 32px rgba(245,166,35,0.12); transform: translateY(-4px); }
.service-card.featured .svc-title { color: var(--orange-dark); font-size: 18px; }
.service-card.featured::before { transform: scaleX(1); }
.service-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--orange); transform: scaleX(0); transform-origin: left; transition: transform .3s; }
.service-card:hover::before { transform: scaleX(1); }
.service-card:hover { border-color: rgba(245,166,35,0.2); transform: translateY(-4px); box-shadow: 0 16px 40px rgba(0,0,0,0.08); }
.svc-title { font-weight: 700; font-size: 17px; color: var(--charcoal); margin-bottom: 10px; }
.svc-desc { font-size: 14px; color: #777; line-height: 1.65; font-weight: 300; }

/* ─── PROJECTS ─── */
#projects { background: var(--white); }
.projects-header { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 60px; }
.projects-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.project-card { border-radius: 14px; overflow: hidden; border: 1px solid #eee; transition: transform .3s, box-shadow .3s; position: relative; }
.project-card:hover { transform: translateY(-6px); box-shadow: 0 24px 60px rgba(0,0,0,0.1); }
.project-img { height: 220px; display: flex; align-items: center; justify-content: center; font-size: 60px; position: relative; overflow: hidden; }
.proj-screen { background-size: cover; background-position: top center; background-repeat: no-repeat; }
.proj-bg-2 { background: linear-gradient(135deg, #1e1e1e 0%, #3a2a0a 100%); }
.proj-bg-3 { background: linear-gradient(135deg, #1e1e1e 0%, #2d2d2d 100%); }
.proj-bg-4 { background: linear-gradient(135deg, #1e1e1e 0%, #3a2a0a 100%); }
.project-body { padding: 28px 28px 24px; }
.proj-cat { font-size: 10px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; color: var(--orange); margin-bottom: 8px; }
.proj-title { font-weight: 700; font-size: 20px; color: var(--charcoal); margin-bottom: 8px; }
.proj-desc { font-size: 14px; color: #777; line-height: 1.6; font-weight: 300; }
.proj-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 16px; }
.proj-tag { font-size: 11px; font-weight: 500; background: var(--light-grey); color: #555; padding: 4px 10px; border-radius: 4px; }

/* ─── CONFIDENTIAL BOX ─── */
.confidential-box { margin-top: 50px; background: var(--dark-bg); border-radius: 14px; padding: 40px 50px; display: flex; align-items: center; gap: 40px; position: relative; overflow: hidden; }
.confidential-box::before { content: ''; position: absolute; right: -50px; top: -50px; width: 250px; height: 250px; border-radius: 50%; background: radial-gradient(circle, rgba(245,166,35,0.12), transparent 70%); }
.conf-icon { font-size: 48px; flex-shrink: 0; }
.conf-text h3 { font-family: 'Bebas Neue'; font-size: 30px; color: var(--white); margin-bottom: 8px; }
.conf-text p { font-size: 15px; color: rgba(255,255,255,0.55); line-height: 1.65; font-weight: 300; }
.conf-cta { margin-left: auto; flex-shrink: 0; background: var(--orange); color: #fff; padding: 14px 28px; border-radius: 8px; text-decoration: none; font-weight: 600; font-size: 14px; white-space: nowrap; transition: background .2s; position: relative; z-index: 1; }
.conf-cta:hover { background: var(--orange-dark); }

/* ─── WHY US ─── */
#why { background: var(--light-grey); }
.why-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.why-left .section-sub { margin-bottom: 32px; }
.why-points { display: flex; flex-direction: column; gap: 20px; margin-top: 32px; }
.why-point { display: flex; gap: 16px; align-items: flex-start; padding: 20px 22px; background: var(--white); border-radius: 10px; border: 1px solid #eee; transition: border-color .3s; }
.why-point:hover { border-color: rgba(245,166,35,0.3); }
.why-closing { margin-top: 28px; font-size: 15px; line-height: 1.7; color: #555; font-weight: 300; border-left: 3px solid var(--orange); padding-left: 16px; }
.wp-title { font-weight: 700; font-size: 16px; color: var(--charcoal); margin-bottom: 6px; }
.wp-desc { font-size: 13px; color: #777; line-height: 1.6; font-weight: 300; }
.why-right { background: var(--dark-bg); border-radius: 16px; padding: 50px 44px; position: relative; overflow: hidden; }
.why-right::before { content: 'APPFAB'; position: absolute; right: -20px; bottom: 20px; font-family: 'Bebas Neue'; font-size: 120px; color: rgba(255,255,255,0.03); line-height: 1; pointer-events: none; }
.tech-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.tech-item { background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.07); border-radius: 10px; padding: 20px 18px; transition: border-color .3s; }
.tech-item:hover { border-color: rgba(245,166,35,0.3); }
.tech-name { font-size: 15px; font-weight: 700; color: rgba(255,255,255,0.9); }
.tech-sub { font-size: 12px; color: rgba(255,255,255,0.4); margin-top: 6px; line-height: 1.5; }
.why-right-title { font-family: 'Bebas Neue'; font-size: 28px; color: var(--white); margin-bottom: 24px; letter-spacing: 1px; }

/* ─── CONTACT ─── */
#contact { background: var(--white); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.contact-left .section-sub { margin-bottom: 40px; }
.contact-info { display: flex; flex-direction: column; gap: 20px; }
.contact-item { display: flex; gap: 14px; align-items: flex-start; }
.ci-icon { width: 40px; height: 40px; border-radius: 8px; background: rgba(245,166,35,0.1); display: flex; align-items: center; justify-content: center; font-size: 16px; flex-shrink: 0; }
.ci-label { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; color: var(--grey); margin-bottom: 2px; }
.ci-val { font-size: 15px; color: var(--charcoal); font-weight: 500; }
.book-btn {
  display: inline-flex; align-items: center; gap: 10px;
  margin-top: 32px;
  background: var(--dark-bg); color: var(--white);
  padding: 16px 28px; border-radius: 10px;
  text-decoration: none; font-weight: 600; font-size: 15px;
  border: 1px solid rgba(255,255,255,0.08);
  transition: background .2s, transform .2s, border-color .2s;
}
.book-btn:hover { background: #2a2a2a; border-color: var(--orange); transform: translateY(-2px); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.8px; color: #888; }
.form-group input, .form-group textarea, .form-group select { padding: 13px 16px; border: 1.5px solid #e0e0e0; border-radius: 8px; font-family: 'DM Sans', sans-serif; font-size: 14px; color: var(--charcoal); background: var(--white); transition: border-color .2s, box-shadow .2s; outline: none; }
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { border-color: var(--orange); box-shadow: 0 0 0 3px rgba(245,166,35,0.12); }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-submit { background: var(--orange); color: #fff; padding: 16px 32px; border-radius: 8px; border: none; font-family: 'DM Sans', sans-serif; font-size: 15px; font-weight: 600; cursor: pointer; transition: background .2s, transform .2s; width: 100%; }
.form-submit:hover { background: var(--orange-dark); transform: translateY(-1px); }
.form-msg { font-size: 14px; padding: 12px 16px; border-radius: 8px; display: none; }
.form-msg.success { background: rgba(52,199,89,0.1); color: #1d8a4a; border: 1px solid rgba(52,199,89,0.3); display: block; }
.form-msg.error { background: rgba(255,59,48,0.1); color: #c0392b; border: 1px solid rgba(255,59,48,0.3); display: block; }

/* ─── FOOTER ─── */
footer { background: var(--dark-bg); padding: 50px 0 30px; }
.footer-inner { max-width: 1140px; margin: 0 auto; padding: 0 40px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid rgba(255,255,255,0.07); padding-bottom: 30px; margin-bottom: 28px; }
.footer-tagline { font-size: 13px; color: rgba(255,255,255,0.35); font-style: italic; }
.footer-nav { display: flex; gap: 28px; list-style: none; }
.footer-nav a { font-size: 13px; color: rgba(255,255,255,0.4); text-decoration: none; transition: color .2s; }
.footer-nav a:hover { color: var(--orange); }
.footer-bottom { max-width: 1140px; margin: 0 auto; padding: 0 40px; display: flex; align-items: center; justify-content: space-between; }
.footer-copy { font-size: 12px; color: rgba(255,255,255,0.25); }
.footer-made { font-size: 12px; color: rgba(255,255,255,0.2); }

/* ─── ANIMATIONS ─── */
@keyframes fadeUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
.fade-in { opacity: 0; transform: translateY(30px); transition: opacity .6s, transform .6s; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ─── MOBILE ─── */
@media (max-width: 900px) {
  nav { padding: 14px 24px; }
  .nav-links { display: none; }
  #hero { grid-template-columns: 1fr; min-height: auto; }
  .hero-left { padding: 100px 24px 40px; }
  .hero-right { min-height: 380px; }
  .hero-stats { gap: 24px; }
  .services-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .form-row { grid-template-columns: 1fr; }
  .confidential-box { flex-direction: column; text-align: center; }
  .conf-cta { margin-left: 0; }
  .exp-item { padding: 16px 24px; }
  .projects-header { flex-direction: column; align-items: flex-start; gap: 12px; }
  .container { padding: 0 20px; }
  section { padding: 60px 0; }
}