/* ===== RESET & BASE ===== */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background:var(--bg-gradient);color:var(--text);line-height:1.7;min-height:100vh;overflow-x:hidden}
a{color:var(--accent);text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--accent2)}
img,svg{max-width:100%;height:auto;display:block}
ul{list-style:none}

/* ===== CSS VARIABLES ===== */
:root{
  --primary:#1a1a2e;
  --secondary:#16213e;
  --accent:#ff6b35;
  --accent2:#e94560;
  --light:#f8f9fa;
  --dark:#0f0f1a;
  --glass:rgba(255,255,255,0.08);
  --shadow:0 8px 32px rgba(0,0,0,0.3);
  --radius:20px;
  --transition:0.4s cubic-bezier(0.25,0.46,0.45,0.94);
  --bg-gradient:linear-gradient(135deg,#1a1a2e 0%,#16213e 50%,#0f3460 100%);
  --text:#e0e0e0;
  --card-bg:rgba(255,255,255,0.06);
  --border:rgba(255,255,255,0.1)
}
[data-theme=dark]{
  --primary:#0a0a14;
  --secondary:#111122;
  --accent:#ff6b35;
  --accent2:#e94560;
  --light:#1a1a2e;
  --dark:#f0f0f0;
  --glass:rgba(0,0,0,0.3);
  --shadow:0 8px 32px rgba(0,0,0,0.6);
  --bg-gradient:linear-gradient(135deg,#0a0a14 0%,#111122 50%,#0a0a2e 100%);
  --text:#c8c8d0;
  --card-bg:rgba(0,0,0,0.3);
  --border:rgba(255,255,255,0.05)
}

/* ===== LAYOUT ===== */
.container{max-width:1280px;margin:0 auto;padding:0 24px}
.section{padding:80px 0;position:relative}
.grid{display:grid;gap:32px;grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}

/* ===== COMPONENTS ===== */
.glass-card{
  background:var(--card-bg);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  transition:transform var(--transition),box-shadow var(--transition)
}
.glass-card:hover{transform:translateY(-6px);box-shadow:0 12px 48px rgba(0,0,0,0.4)}

.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:14px 32px;
  border-radius:50px;
  font-weight:600;
  font-size:1rem;
  border:none;
  cursor:pointer;
  transition:all var(--transition);
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  color:#fff;
  box-shadow:0 4px 20px rgba(255,107,53,0.3)
}
.btn:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(255,107,53,0.5);color:#fff}
.btn-outline{background:transparent;border:2px solid var(--accent);color:var(--accent);box-shadow:none}
.btn-outline:hover{background:var(--accent);color:#fff}

.section-title{
  font-size:2.8rem;
  font-weight:800;
  margin-bottom:16px;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
  text-align:center
}
.section-subtitle{
  text-align:center;
  font-size:1.1rem;
  color:rgba(255,255,255,0.7);
  max-width:700px;
  margin:0 auto 48px
}

/* ===== ANIMATIONS ===== */
.fade-up{opacity:0;transform:translateY(40px);transition:opacity 0.7s ease,transform 0.7s ease}
.fade-up.visible{opacity:1;transform:translateY(0)}

/* ===== HEADER ===== */
header{
  position:fixed;
  top:0;left:0;
  width:100%;
  z-index:1000;
  background:rgba(26,26,46,0.85);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid var(--border);
  transition:background var(--transition)
}
header .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:72px
}
.logo{
  display:flex;
  align-items:center;
  gap:12px;
  font-size:1.6rem;
  font-weight:800;
  color:#fff
}
.logo svg{width:40px;height:40px}
.nav-links{display:flex;gap:8px;align-items:center}
.nav-links a{
  padding:8px 16px;
  border-radius:8px;
  color:var(--text);
  font-weight:500;
  font-size:0.95rem;
  transition:all var(--transition);
  position:relative
}
.nav-links a:hover,.nav-links a.active{color:#fff;background:var(--glass)}

.hamburger{
  display:none;
  flex-direction:column;
  gap:5px;
  cursor:pointer;
  padding:8px;
  background:none;
  border:none
}
.hamburger span{width:28px;height:3px;background:#fff;border-radius:4px;transition:var(--transition)}

.mobile-menu{
  position:fixed;
  top:72px;left:0;
  width:100%;
  height:0;
  overflow:hidden;
  background:rgba(26,26,46,0.98);
  backdrop-filter:blur(20px);
  transition:height 0.4s ease;
  z-index:999;
  border-bottom:1px solid var(--border)
}
.mobile-menu.open{height:auto;padding:20px 0}
.mobile-menu a{
  display:block;
  padding:14px 24px;
  color:var(--text);
  font-size:1.05rem;
  border-bottom:1px solid var(--border)
}

/* ===== BANNER ===== */
.banner{
  position:relative;
  min-height:100vh;
  display:flex;
  align-items:center;
  overflow:hidden;
  padding-top:72px
}
.banner-slide{
  position:absolute;
  inset:0;
  display:flex;
  align-items:center;
  justify-content:center;
  opacity:0;
  transition:opacity 1s ease;
  background:var(--bg-gradient)
}
.banner-slide.active{opacity:1}
.banner-content{
  text-align:center;
  max-width:800px;
  padding:40px 24px;
  z-index:2
}
.banner-content h1{
  font-size:4rem;
  font-weight:900;
  margin-bottom:24px;
  line-height:1.2;
  color:#fff
}
.banner-content h1 span{
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text
}
.banner-content p{
  font-size:1.3rem;
  color:rgba(255,255,255,0.85);
  margin-bottom:36px;
  max-width:600px;
  margin-left:auto;
  margin-right:auto
}
.banner-dots{
  position:absolute;
  bottom:40px;
  left:50%;
  transform:translateX(-50%);
  display:flex;
  gap:12px;
  z-index:3
}
.banner-dots span{
  width:14px;
  height:14px;
  border-radius:50%;
  background:rgba(255,255,255,0.3);
  cursor:pointer;
  transition:var(--transition)
}
.banner-dots span.active{background:var(--accent);transform:scale(1.3)}
.scroll-indicator{
  position:absolute;
  bottom:100px;
  left:50%;
  transform:translateX(-50%);
  z-index:2;
  animation:bounce 2s infinite
}
.scroll-indicator svg{width:32px;height:32px;color:rgba(255,255,255,0.5)}
@keyframes bounce{
  0%,20%,50%,80%,100%{transform:translateX(-50%) translateY(0)}
  40%{transform:translateX(-50%) translateY(-16px)}
  60%{transform:translateX(-50%) translateY(-8px)}
}

/* ===== STATS ===== */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:40px}
.stat-item{
  text-align:center;
  padding:24px;
  background:var(--card-bg);
  border-radius:var(--radius);
  border:1px solid var(--border)
}
.stat-item .number{font-size:2.8rem;font-weight:800;color:var(--accent)}
.stat-item .label{color:rgba(255,255,255,0.7);margin-top:8px;font-size:1rem}

/* ===== ABOUT ===== */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.about-text h2{font-size:2.4rem;margin-bottom:24px;color:#fff}
.about-text p{margin-bottom:16px;color:rgba(255,255,255,0.8)}
.about-image svg{width:100%;height:auto;border-radius:var(--radius)}

/* ===== TEAM ===== */
.team-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:24px}
.team-card{
  text-align:center;
  padding:32px 16px;
  background:var(--card-bg);
  border-radius:var(--radius);
  border:1px solid var(--border);
  transition:var(--transition)
}
.team-card:hover{transform:translateY(-8px)}
.team-card svg{width:80px;height:80px;margin:0 auto 16px;border-radius:50%}
.team-card h4{color:#fff;margin-bottom:4px}
.team-card p{color:rgba(255,255,255,0.6);font-size:0.9rem}

/* ===== PRODUCTS ===== */
.product-card{
  padding:32px;
  background:var(--card-bg);
  border-radius:var(--radius);
  border:1px solid var(--border);
  transition:var(--transition)
}
.product-card:hover{transform:translateY(-8px)}
.product-card svg{width:60px;height:60px;margin-bottom:16px}
.product-card h3{color:#fff;margin-bottom:12px}
.product-card p{color:rgba(255,255,255,0.7);font-size:0.95rem}

/* ===== SERVICES ===== */
.service-card{
  padding:32px;
  text-align:center;
  background:var(--card-bg);
  border-radius:var(--radius);
  border:1px solid var(--border);
  transition:var(--transition)
}
.service-card:hover{transform:translateY(-8px)}
.service-card svg{width:64px;height:64px;margin:0 auto 16px}
.service-card h3{color:#fff;margin-bottom:12px}

/* ===== CASES ===== */
.case-card{
  padding:24px;
  background:var(--card-bg);
  border-radius:var(--radius);
  border:1px solid var(--border);
  transition:var(--transition)
}
.case-card:hover{transform:translateY(-6px)}
.case-card svg{width:100%;height:180px;border-radius:12px;margin-bottom:16px;object-fit:cover}
.case-card h4{color:#fff;margin-bottom:8px}
.case-card p{color:rgba(255,255,255,0.7);font-size:0.9rem}

/* ===== TESTIMONIALS ===== */
.testimonial-card{
  padding:32px;
  background:var(--card-bg);
  border-radius:var(--radius);
  border:1px solid var(--border);
  position:relative
}
.testimonial-card::before{
  content:'"';
  font-size:4rem;
  position:absolute;
  top:8px;left:20px;
  color:var(--accent);
  opacity:0.3;
  line-height:1
}
.testimonial-card p{color:rgba(255,255,255,0.85);font-style:italic;margin-bottom:16px}
.testimonial-card .author{font-weight:600;color:#fff}

/* ===== NEWS ===== */
.news-card{
  padding:24px;
  background:var(--card-bg);
  border-radius:var(--radius);
  border:1px solid var(--border);
  transition:var(--transition)
}
.news-card:hover{transform:translateY(-6px)}
.news-card .date{color:var(--accent);font-size:0.85rem;margin-bottom:8px;display:block}
.news-card h4{color:#fff;margin-bottom:8px}
.news-card p{color:rgba(255,255,255,0.7);font-size:0.9rem;margin-bottom:16px}

/* ===== FAQ ===== */
.faq-item{border-bottom:1px solid var(--border);padding:20px 0;cursor:pointer}
.faq-question{
  display:flex;
  justify-content:space-between;
  align-items:center;
  font-weight:600;
  color:#fff;
  font-size:1.1rem
}
.faq-question svg{transition:transform var(--transition);width:24px;height:24px}
.faq-item.open .faq-question svg{transform:rotate(180deg)}
.faq-answer{
  max-height:0;
  overflow:hidden;
  transition:max-height 0.4s ease,opacity 0.4s ease;
  opacity:0;
  color:rgba(255,255,255,0.7);
  padding-top:0
}
.faq-item.open .faq-answer{max-height:300px;opacity:1;padding-top:16px}

/* ===== HOWTO ===== */
.howto-steps{counter-reset:step}
.howto-step{
  padding:24px;
  background:var(--card-bg);
  border-radius:var(--radius);
  border:1px solid var(--border);
  margin-bottom:16px;
  position:relative;
  padding-left:60px
}
.howto-step::before{
  counter-increment:step;
  content:counter(step);
  position:absolute;
  left:16px;top:24px;
  width:32px;height:32px;
  background:var(--accent);
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:800;
  color:#fff
}
.howto-step h4{color:#fff;margin-bottom:8px}

/* ===== CONTACT ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px}
.contact-info{
  padding:32px;
  background:var(--card-bg);
  border-radius:var(--radius);
  border:1px solid var(--border)
}
.contact-info h3{color:#fff;margin-bottom:24px}
.contact-info p{display:flex;align-items:center;gap:12px;margin-bottom:16px;color:rgba(255,255,255,0.8)}
.contact-info svg{width:24px;height:24px;flex-shrink:0}
.contact-form input,.contact-form textarea{
  width:100%;
  padding:14px 18px;
  border-radius:12px;
  border:1px solid var(--border);
  background:var(--card-bg);
  color:#fff;
  font-size:1rem;
  margin-bottom:16px;
  transition:var(--transition);
  outline:none
}
.contact-form input:focus,.contact-form textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,107,53,0.2)}
.contact-form textarea{min-height:140px;resize:vertical}

/* ===== FOOTER ===== */
.footer{
  background:rgba(0,0,0,0.4);
  backdrop-filter:blur(20px);
  border-top:1px solid var(--border);
  padding:60px 0 30px
}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;margin-bottom:40px}
.footer-col h4{color:#fff;margin-bottom:16px;font-size:1.1rem}
.footer-col p,.footer-col a{color:rgba(255,255,255,0.7);font-size:0.9rem;display:block;margin-bottom:8px}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  border-top:1px solid var(--border);
  padding-top:24px;
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:16px;
  font-size:0.85rem;
  color:rgba(255,255,255,0.6)
}
.footer-bottom a{color:rgba(255,255,255,0.6);margin:0 8px}
.footer-bottom a:hover{color:var(--accent)}
.qr-code svg{width:120px;height:120px;border-radius:12px;background:#fff;padding:8px}

/* ===== BACK TO TOP ===== */
.back-to-top{
  position:fixed;
  bottom:30px;right:30px;
  width:50px;height:50px;
  border-radius:50%;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  color:#fff;
  border:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 4px 20px rgba(255,107,53,0.4);
  opacity:0;
  transform:translateY(20px);
  transition:all var(--transition);
  z-index:999
}
.back-to-top.show{opacity:1;transform:translateY(0)}
.back-to-top:hover{transform:translateY(-4px);box-shadow:0 8px 30px rgba(255,107,53,0.6)}

/* ===== DARK TOGGLE ===== */
.dark-toggle{
  background:var(--glass);
  border:1px solid var(--border);
  color:var(--text);
  width:44px;height:44px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  transition:var(--transition);
  font-size:1.2rem
}
.dark-toggle:hover{background:var(--accent);color:#fff;border-color:var(--accent)}

/* ===== SEARCH MODAL ===== */
.search-modal{
  position:fixed;
  top:0;left:0;
  width:100%;height:100%;
  background:rgba(0,0,0,0.7);
  backdrop-filter:blur(10px);
  z-index:2000;
  display:none;
  align-items:center;
  justify-content:center
}
.search-modal.open{display:flex}
.search-modal-content{
  background:var(--card-bg);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:32px;
  width:90%;
  max-width:600px;
  max-height:80vh;
  overflow-y:auto
}
.search-modal input{
  width:100%;
  padding:16px 20px;
  border-radius:12px;
  border:1px solid var(--border);
  background:rgba(255,255,255,0.1);
  color:#fff;
  font-size:1.1rem;
  outline:none;
  margin-bottom:16px
}
.search-modal input:focus{border-color:var(--accent)}
.search-results{color:rgba(255,255,255,0.7)}
.search-results div{padding:12px 0;border-bottom:1px solid var(--border);cursor:pointer}
.search-results div:hover{color:var(--accent)}

/* ===== BREADCRUMB ===== */
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;padding:16px 0;color:rgba(255,255,255,0.6);font-size:0.9rem}
.breadcrumb a{color:var(--accent)}
.breadcrumb span{margin:0 4px}

/* ===== RESPONSIVE ===== */
@media(max-width:1024px){
  .banner-content h1{font-size:3rem}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .about-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr}
}
@media(max-width:768px){
  .nav-links{display:none}
  .hamburger{display:flex}
  .banner-content h1{font-size:2.4rem}
  .banner-content p{font-size:1.1rem}
  .section-title{font-size:2rem}
  .stats-grid{grid-template-columns:1fr 1fr}
  .section{padding:60px 0}
  .footer-grid{grid-template-columns:1fr}
  .team-grid{grid-template-columns:repeat(2,1fr)}
  .grid{grid-template-columns:1fr}
}
@media(max-width:480px){
  .banner-content h1{font-size:1.8rem}
  .container{padding:0 16px}
  .section{padding:40px 0}
  .stats-grid{grid-template-columns:1fr}
  .team-grid{grid-template-columns:1fr}
}