:root{
  --bg:#0f172a;           /* slate-900 */
  --card:#0b1226;         /* darker card */
  --muted:#94a3b8;        /* slate-400 */
  --fg:#e2e8f0;           /* slate-200 */
  --brand:#6366f1;        /* indigo-500 */
  --brand-2:#22c55e;      /* green-500 */
  --shadow:0 10px 25px rgba(0,0,0,.35);
  --radius:16px;
}
*{box-sizing:border-box;margin:0;padding:0}
html {
  overflow-x: hidden;
  width: 100%;
}
body{
  font-family: ui-sans-serif, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background: radial-gradient(800px 500px at 0% 50%, rgba(99,102,241,.25), transparent 70%),
              radial-gradient(800px 500px at 100% 50%, rgba(34,197,94,.18), transparent 70%),
              var(--bg);
  color:var(--fg); line-height:1.6;
  overflow-x: hidden;
  padding-top: 70px;
}
a{color:inherit;text-decoration:none}
.container{max-width:1120px;margin:0 auto;padding:0 20px}
header.nav{
  position:fixed;top:0;left:0;width:100%;z-index:100;backdrop-filter: blur(12px);
  background:rgba(15,23,42,.8);border-bottom:1px solid rgba(148,163,184,.12)
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
@media (max-width: 768px) {
  .nav-inner { padding: 14px 20px; }
}
.logo{display:flex;gap:10px;align-items:center;font-weight:700}
.logo svg{width:28px;height:28px}

.nav-links {
  display: flex;
  gap: 24px;
  align-items: center;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 24px;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 32px;
  height: 32px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 101;
  padding: 0;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--fg);
  border-radius: 2px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.menu-toggle.active span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

.nav-links a {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--fg);
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--brand);
}

.lang-switch{display:flex;align-items:center;gap:12px}
.lang-dropdown { position: relative; display: inline-block; }
.dropdown-content {
  display: none;
  position: absolute;
  right: 0;
  background-color: var(--card);
  min-width: 140px;
  box-shadow: var(--shadow);
  z-index: 100;
  border-radius: 12px;
  border: 1px solid rgba(148,163,184,.12);
  margin-top: 8px;
  overflow: hidden;
}
.dropdown-content a {
  color: var(--fg);
  padding: 10px 16px;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 600;
}
.dropdown-content a:hover { background-color: rgba(148,163,184,.1); }
.lang-dropdown.active .dropdown-content { display: block; }
.btn-lang-top {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 0 14px;
  height: 38px;
  border-radius: 999px;
  border: 1px solid rgba(148,163,184,.2);
  background: rgba(15,23,42,0.4);
  color: var(--fg);
  cursor: pointer;
  font-weight: 700;
  font-size: 0.85rem;
  transition: all 0.2s;
}
.btn-lang-top:hover { border-color: var(--brand); background: rgba(99,102,241,0.1); }
.btn, button.btn{display:inline-flex;align-items:center;gap:8px;border:0;cursor:pointer;font-weight:700;padding:12px 18px;border-radius:999px}
.btn-primary{background:var(--brand);color:white}
.btn-ghost{background:transparent;color:var(--fg);border:1px solid rgba(148,163,184,.2)}
.btn-primary:hover{filter:brightness(1.1)}

/* Hero */
.hero{padding:80px 0 40px}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.badge{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(148,163,184,.2);padding:6px 10px;border-radius:999px;color:var(--muted);font-size:.85rem;margin-bottom:16px}
h1{font-size:clamp(2rem, 3.5vw, 3rem);line-height:1.15;margin-bottom:12px}
.lead{color:var(--muted);font-size:1.1rem;margin-bottom:22px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}
.hero-card{background:linear-gradient(180deg, rgba(99,102,241,.12), rgba(34,197,94,.08));padding:22px;border-radius:var(--radius);border:1px solid rgba(148,163,184,.18)}

/* Hero Illustration */
.illus{
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 40px 0;
}
.phone-mockup {
  position: relative;
  width: 280px;
  height: 380px;
  border: 12px solid #1e293b;
  border-radius: 36px;
  background: #000;
  box-shadow: 0 50px 100px -20px rgba(0,0,0,0.5);
  overflow: hidden;
  transform: rotate(2deg);
  transition: transform 0.5s ease;
}
.phone-mockup:hover {
  transform: rotate(0deg) scale(1.02);
}
.phone-mockup::after {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 18px;
  background: #1e293b;
  border-bottom-left-radius: 12px;
  border-bottom-right-radius: 12px;
  z-index: 10;
}
.phone-screen {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #f8fafc;
  display: block;
}

/* Sections */
section{padding:64px 0}
h2{font-size:clamp(1.5rem,2.6vw,2.2rem);margin-bottom:18px}
.section-lead{color:var(--muted);max-width:720px;margin-bottom:24px}

/* Features */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:26px}
.card{background:var(--card);padding:22px;border-radius:var(--radius);border:1px solid rgba(148,163,184,.12)}
.card .icon{width:40px;height:40px;border-radius:10px;display:grid;place-items:center;margin-bottom:12px;background:rgba(99,102,241,.15)}

/* Pricing */
.pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:22px}
.plan{background:linear-gradient(180deg, rgba(148,163,184,.06), transparent);border:1px solid rgba(148,163,184,.18);border-radius:var(--radius);padding:24px; display:flex; flex-direction:column}
.plan h3{margin-bottom:6px}
.price{font-size:2rem;font-weight:800;color:white;margin:10px 0}
.plan ul{list-style:none;color:var(--muted);margin:10px 0 16px}
.plan li{margin:6px 0}
.popular{outline:2px solid var(--brand);box-shadow:0 0 0 6px rgba(99,102,241,.15)}

/* Use-cases */
.use-cases{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:22px}
.quote{background:var(--card);border:1px solid rgba(148,163,184,.12);border-radius:var(--radius);padding:18px;font-style:italic}

/* Forms */
form{display:grid;gap:10px}
input, select, textarea{background:#0a1022;color:var(--fg);border:1px solid rgba(148,163,184,.25);border-radius:10px;padding:12px 14px;width:100%;font-family:inherit;font-size:1rem}
input:focus, textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 2px rgba(99,102,241,0.2)}
label{font-size:.9rem;color:var(--muted)}
textarea{resize:vertical;min-height:120px}

/* Contact */
.contact-card{background:var(--card);padding:32px;border-radius:var(--radius);border:1px solid rgba(148,163,184,.12);max-width:600px;margin:20px auto 0}
.form-group{display:grid;gap:8px;margin-bottom:16px}
.status-msg{padding:12px;border-radius:10px;font-size:.9rem;display:none; text-align: center; margin-bottom: 16px}
.status-success{background:rgba(34,197,94,.1);color:var(--brand-2);border:1px solid rgba(34,197,94,.2)}
.status-error{background:rgba(239,68,68,.1);color:#ef4444;border:1px solid rgba(239,68,68,.2)}

/* FAQ */
.faq-container{max-width:800px;margin:40px auto 0}
.faq-item{background:var(--card);border:1px solid rgba(148,163,184,.12);border-radius:12px;margin-bottom:12px;overflow:hidden}
.faq-question{display:flex;justify-content:space-between;align-items:center;padding:18px 22px;cursor:pointer;font-weight:600;font-size:1.05rem;transition:background 0.2s}
.faq-question:hover{background:rgba(148,163,184,.05)}
.faq-icon{width:24px;height:24px;transition:transform 0.3s;flex-shrink:0;margin-left:12px}
.faq-answer{max-height:0;overflow:hidden;transition:max-height 0.3s ease-out,padding 0.3s ease-out;padding:0 22px;color:var(--muted);line-height:1.6}
.faq-item.active .faq-answer{max-height:500px;padding:0 22px 18px}
.faq-item.active .faq-icon{transform:rotate(180deg)}

/* Carousel */
.carousel-container { position: relative; width: 100%; max-width: 1000px; margin: 0 auto; }
.carousel-view { position: relative; background: #1e293b; border-radius: var(--radius); box-shadow: 0 40px 80px -20px rgba(0,0,0,0.6); border: 1px solid rgba(255,255,255,0.1); overflow: hidden; display: flex; flex-direction: column; }
.mockup-header { height: 40px; background: rgba(30, 41, 59, 0.8); display: flex; align-items: center; padding: 0 16px; gap: 12px; border-bottom: 1px solid rgba(255,255,255,0.05); backdrop-filter: blur(10px); }
.mockup-dots { display: flex; gap: 6px; }
.mockup-dot { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,0.15); }
.mockup-address { flex: 1; height: 24px; background: rgba(15, 23, 42, 0.5); border-radius: 6px; display: flex; align-items: center; padding: 0 12px; font-size: 11px; color: var(--muted); letter-spacing: 0.5px; }
.carousel-viewport { position: relative; height: 560px; overflow: hidden; background: #0f172a; }
.carousel-track { display: flex; height: 100%; transition: transform 0.8s cubic-bezier(0.65, 0, 0.35, 1); padding: 0; margin: 0; list-style: none; }
.carousel-slide { min-width: 100%; height: 100%; display: flex; justify-content: center; align-items: center; background: #0f172a; }
.carousel-slide img { max-width: 100%; max-height: 100%; object-fit: contain; box-shadow: 0 0 40px rgba(0,0,0,0.4); }
.carousel-controls { position: absolute; top: 50%; left: 0; right: 0; transform: translateY(-50%); display: flex; justify-content: space-between; padding: 0 20px; pointer-events: none; z-index: 10; }
.carousel-button { pointer-events: auto; background: rgba(30, 41, 59, 0.6); border: 1px solid rgba(255,255,255,0.1); color: white; width: 48px; height: 48px; cursor: pointer; border-radius: 50%; backdrop-filter: blur(8px); transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); display: flex; align-items: center; justify-content: center; }
.carousel-button:hover { background: var(--brand); transform: scale(1.1); box-shadow: 0 0 20px rgba(99,102,241,0.4); }
.carousel-button svg { width: 24px; height: 24px; }
.carousel-nav { display: flex; justify-content: center; padding: 0 0 20px 0; gap: 8px; }
.carousel-indicator { border: 0; border-radius: 999px; width: 30px; height: 4px; background: rgba(255,255,255,0.1); cursor: pointer; position: relative; overflow: hidden; transition: background 0.3s; }
.carousel-indicator.active { background: rgba(255,255,255,0.2); }
.carousel-indicator-progress { position: absolute; top: 0; left: 0; height: 100%; width: 0; background: var(--brand); transition: width 0.1s linear; }
.carousel-indicator.completed .carousel-indicator-progress { width: 100%; transition: none; }
.carousel-indicator.active .carousel-indicator-progress { width: var(--progress, 0%); }
.is-hidden { opacity: 0; pointer-events: none; }

/* Responsive */
@media (max-width: 960px){
  .hero-grid{grid-template-columns:1fr}
  .carousel-viewport { height: 400px; }
}
@media (max-width: 860px){
  .features, .pricing, .use-cases{grid-template-columns:1fr 1fr}
}
@media (max-width: 768px) {
  .menu-toggle { display: flex; }
  .nav-right {
    position: fixed;
    top: 0;
    right: 0;
    width: 280px;
    height: 100vh;
    background: var(--bg);
    flex-direction: column;
    padding: 100px 40px;
    visibility: hidden;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.4s;
    box-shadow: -10px 0 30px rgba(0,0,0,0.5);
    z-index: 100;
    align-items: flex-start;
    backdrop-filter: blur(10px);
    border-left: 1px solid rgba(148,163,184,0.1);
  }
  .nav-right.active { 
    transform: translateX(0); 
    visibility: visible;
  }
  .nav-links {
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    margin-bottom: 32px;
    gap: 32px;
  }
  .nav-links a { font-size: 1.1rem; }
  .lang-switch {
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
  }
}

@media (max-width: 560px){
  .features, .pricing, .use-cases{grid-template-columns:1fr}
  .carousel-viewport { height: 280px; }
  .mockup-header { height: 32px; }
  .carousel-button { width: 36px; height: 36px; }
}

footer{border-top:1px solid rgba(148,163,184,.12);padding:60px 0;color:var(--muted);text-align:center}

/* Blog specific styles */
.blog-post-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
    margin-top: 40px;
}

.blog-card {
    background: var(--card);
    border: 1px solid rgba(148,163,184,.12);
    border-radius: var(--radius);
    padding: 24px;
    transition: transform 0.3s;
}

.blog-card:hover {
    transform: translateY(-5px);
    border-color: var(--brand);
}

.blog-title {
    font-size: 1.5rem;
    margin-bottom: 12px;
    color: var(--fg);
}

.blog-date {
    font-size: 0.9rem;
    color: var(--muted);
    margin-bottom: 16px;
    display: block;
}

.blog-excerpt {
    color: var(--muted);
    margin-bottom: 20px;
}

.post-content {
    max-width: 800px;
    margin: 40px auto;
    padding: 0 20px;
}

.post-content h2 { margin: 32px 0 16px; }
.post-content p { margin-bottom: 20px; }