:root {
  --navy: #0a1628; --cyan: #00d4ff; --amber: #f59e0b; --white: #ffffff;
  --grey: #94a3b8; --charcoal: #1e293b; --dark-navy: #060e1c;
}

* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; scroll-padding-top:80px; }
body { font-family:'Inter',sans-serif; background:var(--dark-navy); color:var(--white); line-height:1.6; overflow-x:hidden; }
a { text-decoration:none; color:inherit; }
img { max-width:100%; display:block; }
button { cursor:pointer; border:none; font-family:inherit; }

.skip-to-content { position:absolute; top:-100%; left:0; background:var(--cyan); color:var(--navy); padding:10px; z-index:9999; font-weight:600; }
.skip-to-content:focus { top:0; }

/* NAV */
.nav-glass { position:fixed; top:20px; left:50%; transform:translateX(-50%); width:90%; max-width:1100px; background:rgba(10,22,40,0.7); backdrop-filter:blur(20px); border:1px solid rgba(0,212,255,0.1); border-radius:50px; padding:12px 28px; z-index:1000; transition:0.3s; }
.nav-glass.solid { background:rgba(6,14,28,0.95); box-shadow:0 8px 30px rgba(0,212,255,0.1); }
.nav-inner { display:flex; align-items:center; justify-content:space-between; }
.logo { font-weight:800; font-size:1.25rem; color:var(--white); display:flex; align-items:center; gap:6px; }
.logo-dot { width:8px; height:8px; border-radius:50%; background:var(--amber); animation:pulse-dot 1.8s infinite; display:inline-block; }
@keyframes pulse-dot { 0%,100%{ transform:scale(1); opacity:1; } 50%{ transform:scale(1.5); opacity:0.5; } }
.nav-links { display:flex; align-items:center; gap:24px; list-style:none; font-size:0.9rem; font-weight:500; }
.nav-links a { color:var(--grey); transition:color 0.3s; }
.nav-links a:hover { color:var(--white); }
.nav-cta { background:linear-gradient(135deg,var(--cyan),#0099cc); color:var(--navy)!important; padding:10px 24px; border-radius:50px; font-weight:700; }
.hamburger { display:none; flex-direction:column; gap:5px; background:none; }
.hamburger span { width:24px; height:2px; background:var(--white); transition:0.3s; display:block; }

/* HERO */
.hero { min-height:100vh; display:flex; align-items:center; justify-content:center; text-align:center; position:relative; background:var(--navy); overflow:hidden; padding:0 20px; }
#particles-hero { position:absolute; inset:0; z-index:2; }
.hero-bg { position:absolute; inset:0; z-index:0; background-image:url('https://images.unsplash.com/photo-1517694712202-14dd9538aa97?w=1920&q=80'); background-size:cover; background-position:center; opacity:0.35; background-color:var(--navy); }
.hero-content { position:relative; z-index:3; max-width:800px; }
.badge { display:inline-block; background:rgba(0,212,255,0.1); border:1px solid rgba(0,212,255,0.3); color:var(--cyan); padding:6px 18px; border-radius:50px; font-weight:600; font-size:0.85rem; margin-bottom:24px; }
.hero h1 { font-size:clamp(2.5rem,6vw,4.5rem); font-weight:900; background:linear-gradient(to right,var(--white),var(--cyan)); -webkit-background-clip:text; -webkit-text-fill-color:transparent; line-height:1.1; margin-bottom:20px; }
.hero h2 { font-size:clamp(1.3rem,3vw,1.8rem); font-weight:600; background:linear-gradient(to right,var(--cyan),var(--amber)); -webkit-background-clip:text; -webkit-text-fill-color:transparent; margin-bottom:16px; }
.subtitle { font-size:1.1rem; color:var(--grey); margin-bottom:36px; }
.hero-buttons { display:flex; gap:16px; justify-content:center; flex-wrap:wrap; margin-bottom:40px; }
.btn { padding:14px 36px; border-radius:50px; font-weight:700; font-size:1rem; transition:0.3s; display:inline-block; }
.btn-primary { background:linear-gradient(135deg,var(--cyan),#0099cc); color:var(--navy); }
.btn-secondary { background:rgba(255,255,255,0.05); border:1px solid rgba(0,212,255,0.2); color:var(--white); }
.btn:hover { transform:translateY(-3px); box-shadow:0 15px 30px rgba(0,212,255,0.25); }
.btn-dark { background:var(--navy); color:var(--white); }
.trust-strip-mini { color:var(--grey); font-size:0.85rem; }

/* SECTIONS */
.section { padding:100px 20px; max-width:1100px; margin:0 auto; }
.section-title { font-size:clamp(2rem,4vw,3rem); font-weight:800; text-align:center; margin-bottom:20px; }
.section-subtitle { color:var(--grey); text-align:center; max-width:600px; margin:0 auto 50px; font-size:1.1rem; }

/* TRUST STRIP */
.trust-strip { display:flex; justify-content:center; gap:30px; padding:60px 20px; background:var(--navy); flex-wrap:wrap; text-align:center; }
.trust-number { font-size:2.5rem; font-weight:900; background:linear-gradient(135deg,var(--cyan),var(--amber)); -webkit-background-clip:text; -webkit-text-fill-color:transparent; }
.trust-label { color:var(--grey); margin-top:8px; }

/* STEPS */
.steps { display:flex; gap:40px; justify-content:center; flex-wrap:wrap; }
.step { flex:1; min-width:250px; background:var(--charcoal); border-radius:20px; padding:30px; text-align:center; transition:0.3s; }
.step:hover { transform:translateY(-8px); box-shadow:0 20px 40px rgba(0,212,255,0.1); }
.step-number { width:50px; height:50px; background:linear-gradient(135deg,var(--cyan),#0099cc); color:var(--navy); border-radius:50%; display:flex; align-items:center; justify-content:center; font-weight:800; font-size:1.3rem; margin:0 auto 20px; }

/* CARDS */
.cards-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(280px,1fr)); gap:30px; }
.card { background:var(--charcoal); border-radius:20px; padding:0 0 30px 0; text-align:center; transition:0.3s; border:1px solid transparent; overflow:hidden; }
.card:hover { transform:translateY(-8px); box-shadow:0 25px 50px rgba(0,212,255,0.15); border-color:var(--cyan); }
.card-image { width:100%; height:180px; border-radius:12px 12px 0 0; margin-bottom:20px; background-size:cover; background-position:center; background-color:var(--charcoal); }
.card h3 { padding:0 20px; }
.card p { padding:0 20px; color:var(--grey); }

/* EXAMPLES */
.examples-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(300px,1fr)); gap:24px; }
.example-card { position:relative; border-radius:20px; overflow:hidden; min-height:320px; background-size:cover; background-position:center; background-color:var(--charcoal); display:flex; align-items:flex-end; transition:transform 0.3s; }
.example-card:hover { transform:translateY(-6px); }
.example-overlay { background:linear-gradient(to top, rgba(0,0,0,0.85), transparent); padding:30px; width:100%; }
.example-badge { display:inline-block; background:rgba(0,212,255,0.2); backdrop-filter:blur(5px); color:var(--cyan); padding:4px 14px; border-radius:20px; font-size:0.8rem; font-weight:600; margin-bottom:12px; }
.example-card h3 { font-size:1.5rem; font-weight:800; color:var(--white); margin-bottom:8px; }
.example-card p { color:rgba(255,255,255,0.8); font-size:0.9rem; line-height:1.5; }

/* PRICING */
.pricing-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(240px,1fr)); gap:25px; }
.pricing-card { background:var(--charcoal); border-radius:20px; padding:35px 25px; text-align:center; border:1px solid transparent; transition:0.3s; }
.pricing-card.featured { border-color:var(--cyan); box-shadow:0 0 30px rgba(0,212,255,0.15); }
.pricing-badge { background:var(--cyan); color:var(--navy); padding:4px 14px; border-radius:20px; font-weight:700; font-size:0.8rem; display:inline-block; margin-bottom:12px; }
.plan-price { font-size:2.5rem; font-weight:900; color:var(--cyan); margin:12px 0; }
.pricing-card ul { list-style:none; text-align:left; margin:20px 0; color:var(--grey); }
.pricing-card ul li { padding:6px 0; }

/* CAROUSEL */
.carousel { position:relative; max-width:700px; margin:0 auto; overflow:hidden; }
.carousel-track { display:flex; transition:0.5s; }
.carousel-slide { min-width:100%; padding:30px; background:var(--charcoal); border-radius:20px; text-align:center; }
.stars { color:var(--amber); margin-bottom:16px; }
blockquote { font-style:italic; color:var(--grey); margin-bottom:16px; }
.author { display:flex; align-items:center; justify-content:center; gap:10px; }
.author img { width:44px; height:44px; border-radius:50%; border:2px solid var(--cyan); object-fit:cover; }
.author-name { font-weight:600; color:var(--white); }
.carousel-dots { display:flex; justify-content:center; gap:10px; margin-top:20px; }
.dot-indicator { width:10px; height:10px; border-radius:50%; background:var(--grey); cursor:pointer; }
.dot-indicator.active { background:var(--cyan); }

/* FAQ */
.faq-list { max-width:700px; margin:0 auto; }
.faq-item { background:var(--charcoal); border-radius:12px; margin-bottom:16px; }
.faq-question { width:100%; padding:20px; display:flex; justify-content:space-between; align-items:center; color:var(--white); font-weight:600; background:none; border:none; cursor:pointer; font-size:1rem; }
.faq-arrow { color:var(--cyan); transition:0.3s; }
.faq-item.open .faq-arrow { transform:rotate(180deg); }
.faq-answer { max-height:0; overflow:hidden; transition:0.4s; }
.faq-item.open .faq-answer { max-height:300px; }
.faq-answer p { padding:0 20px 20px; color:var(--grey); }

/* CHAT */
.chat-interface { display:grid; grid-template-columns:1fr 1fr; gap:24px; }
.chat-panel { background:var(--charcoal); border-radius:20px; padding:20px; display:flex; flex-direction:column; }
.chat-bot-picks { display:flex; gap:8px; margin-bottom:16px; flex-wrap:wrap; }
.quick-pick { padding:8px 16px; border-radius:20px; background:rgba(0,212,255,0.1); border:1px solid rgba(0,212,255,0.2); color:var(--cyan); font-weight:600; font-size:0.85rem; transition:0.3s; }
.quick-pick.active { background:var(--cyan); color:var(--navy); }
.messages-area { flex:1; max-height:300px; overflow-y:auto; margin-bottom:12px; display:flex; flex-direction:column; gap:8px; }
.empty-state { text-align:center; color:var(--grey); padding:40px 20px; }
.chat-message { padding:10px 16px; border-radius:12px; max-width:85%; }
.chat-message.user { background:var(--cyan); color:var(--navy); align-self:flex-end; }
.chat-message.bot { background:rgba(255,255,255,0.08); align-self:flex-start; }
.chat-message.error { background:rgba(255,0,0,0.2); color:#ff6b6b; align-self:center; }
.chat-input-row { display:flex; gap:8px; }
.chat-input { flex:1; padding:12px; border-radius:12px; background:var(--navy); border:1px solid rgba(255,255,255,0.1); color:var(--white); font-family:inherit; }
.send-btn { background:var(--cyan); color:var(--navy); padding:12px 20px; border-radius:12px; font-weight:700; }
.send-btn:disabled { opacity:0.5; }

/* PREVIEW PANEL */
.preview-panel { background:var(--charcoal); border-radius:20px; padding:20px; display:flex; flex-direction:column; }
.preview-header { font-weight:700; margin-bottom:12px; }
.preview-placeholder { flex:1; display:flex; align-items:center; justify-content:center; color:var(--grey); }

/* FULL-SCREEN PREVIEW OVERLAY */
.preview-overlay { position:fixed; inset:0; z-index:3000; background:var(--dark-navy); display:flex; flex-direction:column; }
.preview-toolbar { display:flex; align-items:center; justify-content:space-between; padding:16px 24px; background:var(--navy); border-bottom:1px solid rgba(255,255,255,0.1); gap:16px; flex-wrap:wrap; }
.preview-toolbar-title { font-weight:700; color:var(--white); font-size:1rem; }
.preview-toolbar-btn { padding:10px 20px; border-radius:50px; font-weight:600; font-size:0.9rem; border:none; cursor:pointer; background:var(--charcoal); color:var(--white); transition:0.3s; }
.preview-toolbar-btn:hover { background:rgba(255,255,255,0.15); }
.preview-pay-btn { background:var(--amber); color:var(--navy); font-weight:700; }
.preview-pay-btn:hover { background:#fbbf24; }
.preview-full-iframe { flex:1; width:100%; border:none; background:var(--white); }

/* PROGRESS OVERLAY */
.progress-overlay { position:fixed; inset:0; background:rgba(6,14,28,0.95); z-index:2000; display:flex; align-items:center; justify-content:center; flex-direction:column; }
.progress-content { text-align:center; }
.step-dots { display:flex; gap:10px; justify-content:center; margin-bottom:20px; }
.step-dots .dot { width:12px; height:12px; border-radius:50%; background:var(--grey); }
.step-dots .dot.active { background:var(--cyan); box-shadow:0 0 10px var(--cyan); }
#progress-message { color:var(--white); font-weight:600; margin-bottom:20px; }
#progress-extra { margin-top:20px; }
.keep-waiting-btn { background:var(--cyan); color:var(--navy); padding:10px 24px; border-radius:50px; font-weight:700; margin:0 8px; }
.notify-btn { background:transparent; border:2px solid var(--cyan); color:var(--cyan); padding:10px 24px; border-radius:50px; font-weight:700; }

/* CTA BANNER */
.cta-banner { background:linear-gradient(135deg,var(--cyan),var(--amber)); text-align:center; padding:60px 20px; border-radius:20px; max-width:1100px; margin:80px auto; }
.cta-banner h2 { color:var(--navy); font-weight:800; font-size:1.8rem; }

/* FOOTER */
footer { background:var(--dark-navy); padding:60px 20px 30px; border-top:1px solid rgba(0,212,255,0.1); }
.footer-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(200px,1fr)); gap:40px; max-width:1100px; margin:0 auto; color:var(--grey); }
.footer-grid h4 { color:var(--white); margin-bottom:12px; }
.footer-bottom { text-align:center; margin-top:40px; color:var(--grey); font-size:0.85rem; }

/* SCROLL REVEAL */
.reveal { opacity:0; transform:translateY(30px); transition:0.8s; }
.reveal.visible { opacity:1; transform:translateY(0); }

/* MOBILE */
@media (max-width:768px) {
  .nav-links { display:none; position:fixed; top:80px; left:0; width:100%; height:calc(100vh-80px); background:rgba(6,14,28,0.97); flex-direction:column; align-items:center; justify-content:center; gap:30px; }
  .nav-links.open { display:flex; }
  .hamburger { display:flex; }
  .chat-interface { grid-template-columns:1fr; }
  .hero h1 { font-size:2rem; }
  .section { padding:60px 16px; }
  .preview-toolbar { flex-direction:column; text-align:center; }
}