/* ============= NexysRAG Landing Page - Light Theme ============= */
*{margin:0;padding:0;box-sizing:border-box}
:root{
--bg:#ffffff;--bg-alt:#f8f9fc;--bg-card:#ffffff;
--border:#e5e7eb;--border-hover:#c7c9cf;
--text:#111827;--text-2:#4b5563;--text-3:#9ca3af;
--accent:#6366f1;--accent-hover:#4f46e5;--accent-soft:rgba(99,102,241,0.08);--accent-glow:rgba(99,102,241,0.12);
--success:#10b981;--gradient:linear-gradient(135deg,#6366f1,#8b5cf6,#a78bfa);
--shadow-sm:0 1px 3px rgba(0,0,0,0.06);--shadow-md:0 4px 16px rgba(0,0,0,0.08);--shadow-lg:0 12px 40px rgba(0,0,0,0.1);--shadow-xl:0 24px 60px rgba(0,0,0,0.12);
--radius:12px;--radius-lg:20px;--radius-xl:28px
}
html{scroll-behavior:smooth}
body{font-family:'Inter',-apple-system,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:10px;font-family:inherit;font-size:14px;font-weight:600;border:none;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);text-decoration:none}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 2px 8px rgba(99,102,241,.25)}
.btn-primary:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 8px 25px rgba(99,102,241,.35)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:transparent;color:var(--text);border:1.5px solid var(--border)}
.btn-outline:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-soft);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--text-2);padding:8px 16px}
.btn-ghost:hover{color:var(--accent)}
.btn-lg{padding:16px 36px;font-size:16px;border-radius:14px}
.btn-full{width:100%}

/* NAVBAR */
.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,.7);backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);border-bottom:1px solid transparent;transition:all .3s}
.navbar.scrolled{border-bottom-color:var(--border);box-shadow:var(--shadow-sm)}
.nav-inner{display:flex;justify-content:space-between;align-items:center;height:68px}
.logo{font-size:22px;font-weight:800;letter-spacing:-.5px;display:flex;align-items:center;gap:6px}
.logo span{color:var(--accent)}
.nav-links{display:flex;gap:4px}
.nav-links a{font-size:14px;color:var(--text-2);font-weight:500;padding:8px 14px;border-radius:8px;transition:all .25s}
.nav-links a:hover{color:var(--accent);background:var(--accent-soft)}
.nav-actions{display:flex;gap:8px;align-items:center}
.mobile-menu{display:none;background:none;border:none;font-size:24px;cursor:pointer;color:var(--text)}

/* HERO */
.hero{padding:130px 0 60px;text-align:center;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:-200px;left:50%;transform:translateX(-50%);width:1000px;height:800px;background:radial-gradient(ellipse,rgba(99,102,241,.06) 0%,rgba(139,92,246,.03) 40%,transparent 70%);pointer-events:none}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 20px;background:var(--accent-soft);border:1px solid rgba(99,102,241,.15);border-radius:100px;font-size:13px;color:var(--accent);font-weight:600;margin-bottom:28px;transition:all .3s}
.hero-badge:hover{background:var(--accent-glow);border-color:rgba(99,102,241,.3);transform:scale(1.02)}
.hero h1{font-size:clamp(36px,5.5vw,64px);font-weight:900;letter-spacing:-2.5px;line-height:1.08;margin-bottom:20px;color:var(--text)}
.gradient-text{background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-sub{font-size:17px;color:var(--text-2);max-width:600px;margin:0 auto 36px;line-height:1.75}
.hero-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:48px}

/* Stats */
.hero-stats{display:flex;justify-content:center;gap:32px;flex-wrap:wrap}
.stat{display:flex;flex-direction:column;align-items:center}
.stat strong{font-size:26px;font-weight:800;letter-spacing:-1px;color:var(--text)}
.stat span{font-size:13px;color:var(--text-3);font-weight:500}
.stat-divider{width:1px;height:40px;background:var(--border)}

/* Hero visual/mockup */
.hero-visual{margin:70px auto 0;max-width:960px;position:relative}
.browser-frame{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-xl)}
.browser-bar{display:flex;align-items:center;gap:8px;padding:12px 18px;background:var(--bg-alt);border-bottom:1px solid var(--border)}
.dot{width:12px;height:12px;border-radius:50%;display:inline-block}
.r{background:#f87171}.y{background:#fbbf24}.g{background:#34d399}
.url-bar{margin-left:16px;font-size:12px;color:var(--text-3);background:var(--bg);padding:5px 14px;border-radius:6px;border:1px solid var(--border);flex:1;max-width:260px}
.browser-body{display:flex;min-height:320px}
.dash-sidebar{width:190px;padding:16px 10px;border-right:1px solid var(--border);flex-shrink:0;background:var(--bg-alt)}
.dash-nav{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:8px;font-size:13px;color:var(--text-3);margin-bottom:2px;transition:all .2s;cursor:default}
.dash-nav.active{background:var(--accent-soft);color:var(--accent);font-weight:600}
.dash-main{flex:1;padding:20px;display:flex;flex-direction:column;gap:16px}
.dash-stats-row{display:flex;gap:12px}
.mini-stat{flex:1;background:var(--bg-alt);border:1px solid var(--border);border-radius:10px;padding:14px;text-align:center}
.mini-num{font-size:22px;font-weight:800;color:var(--accent)}
.mini-label{font-size:11px;color:var(--text-3);margin-top:2px}
.chat-preview{display:flex;flex-direction:column;gap:12px}
.chat-msg{display:flex;gap:10px;align-items:flex-start}
.chat-ava{width:30px;height:30px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:14px;flex-shrink:0}
.user-ava{background:var(--bg-alt);border:1px solid var(--border)}
.bot-ava{background:var(--gradient);color:white}
.chat-bbl{background:var(--bg-alt);border:1px solid var(--border);border-radius:12px;padding:10px 14px;font-size:13px;color:var(--text-2);line-height:1.5;max-width:80%}
.bot-bbl{background:var(--accent-soft);border-color:rgba(99,102,241,.12);color:var(--text)}

/* BRANDS */
.brands{padding:60px 0 20px;text-align:center}
.brands-label{font-size:12px;color:var(--text-3);font-weight:600;text-transform:uppercase;letter-spacing:3px;margin-bottom:24px}
.brands-row{display:flex;justify-content:center;gap:48px;flex-wrap:wrap;opacity:.35}
.brands-row span{font-size:18px;font-weight:700;color:var(--text-2);letter-spacing:-.5px}

/* SECTIONS */
.section{padding:100px 0}
.section-alt{background:var(--bg-alt);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.section-label{text-align:center;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:3px;color:var(--accent);margin-bottom:10px}
.section-title{text-align:center;font-size:clamp(26px,3.5vw,38px);font-weight:800;letter-spacing:-1px;margin-bottom:14px;line-height:1.2}
.section-sub{text-align:center;font-size:16px;color:var(--text-2);max-width:560px;margin:0 auto 56px;line-height:1.7}

/* FEATURES */
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.fcard{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px 28px;transition:all .35s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}
.fcard::after{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--gradient);transform:scaleX(0);transition:transform .35s;transform-origin:left}
.fcard:hover{border-color:var(--border-hover);transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.fcard:hover::after{transform:scaleX(1)}
.fcard-icon{width:48px;height:48px;border-radius:var(--radius);background:var(--accent-soft);display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:18px;transition:all .3s}
.fcard:hover .fcard-icon{transform:scale(1.1);background:var(--accent-glow)}
.fcard h3{font-size:16px;font-weight:700;margin-bottom:8px;letter-spacing:-.3px}
.fcard p{font-size:14px;color:var(--text-2);line-height:1.65}

/* HOW IT WORKS */
.steps-row{display:flex;align-items:flex-start;justify-content:center;gap:16px}
.step-card{flex:1;text-align:center;max-width:340px;padding:24px;transition:all .35s}
.step-card:hover{transform:translateY(-4px)}
.step-num{width:52px;height:52px;border-radius:16px;background:var(--bg);border:2px solid var(--accent);display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:800;color:var(--accent);margin:0 auto 16px;transition:all .35s cubic-bezier(.4,0,.2,1)}
.step-card:hover .step-num{background:var(--accent);color:#fff;transform:scale(1.15) rotate(-5deg);box-shadow:0 6px 20px rgba(99,102,241,.3)}
.step-icon-big{font-size:40px;margin-bottom:16px;transition:transform .3s}
.step-card:hover .step-icon-big{transform:scale(1.15)}
.step-card h3{font-size:17px;font-weight:700;margin-bottom:8px}
.step-card p{font-size:14px;color:var(--text-2);line-height:1.65}
.step-arrow{font-size:28px;color:var(--text-3);margin-top:60px;transition:all .3s}

/* PRICING */
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:start}
.pcard{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-xl);padding:36px 30px;transition:all .35s;position:relative}
.pcard:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.pcard-featured{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent),var(--shadow-lg);transform:scale(1.03)}
.pcard-featured:hover{transform:scale(1.03) translateY(-6px)}
.pcard-badge{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--accent);color:#fff;font-size:11px;font-weight:700;padding:5px 18px;border-radius:100px;letter-spacing:.5px}
.pcard-header h3{font-size:20px;font-weight:800;margin-bottom:4px}
.pcard-header p{font-size:13px;color:var(--text-3);margin-bottom:16px}
.pcard-price{margin-bottom:24px;display:flex;align-items:baseline;gap:4px}
.price-big{font-size:48px;font-weight:900;letter-spacing:-2px}
.price-period{font-size:14px;color:var(--text-3)}
.pcard-list{list-style:none;margin-bottom:28px}
.pcard-list li{padding:7px 0;font-size:14px;color:var(--text-2);display:flex;align-items:center;gap:10px}

/* TESTIMONIALS */
.testimonials-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.tcard{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px;transition:all .35s}
.tcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--border-hover)}
.tcard-stars{color:#f59e0b;font-size:16px;margin-bottom:14px;letter-spacing:2px}
.tcard-text{font-size:14px;color:var(--text-2);line-height:1.75;margin-bottom:20px;font-style:italic}
.tcard-author{display:flex;align-items:center;gap:12px}
.tcard-avatar{width:42px;height:42px;border-radius:50%;background:var(--gradient);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;color:#fff;flex-shrink:0}
.tcard-author strong{font-size:14px;font-weight:600;display:block}
.tcard-author span{font-size:12px;color:var(--text-3)}

/* FAQ */
.faq-list{max-width:720px;margin:0 auto}
.faq-item{border:1px solid var(--border);border-radius:var(--radius);margin-bottom:10px;overflow:hidden;transition:all .3s;background:var(--bg-card)}
.faq-item:hover{border-color:var(--border-hover)}
.faq-item.open{border-color:var(--accent);box-shadow:0 2px 12px rgba(99,102,241,.08)}
.faq-q{width:100%;background:none;border:none;text-align:left;padding:18px 22px;font-family:inherit;font-size:15px;font-weight:600;color:var(--text);cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:color .2s}
.faq-q:hover{color:var(--accent)}
.faq-arrow{font-size:12px;color:var(--text-3);transition:transform .35s cubic-bezier(.4,0,.2,1);flex-shrink:0;margin-left:16px}
.faq-item.open .faq-arrow{transform:rotate(180deg);color:var(--accent)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s cubic-bezier(.4,0,.2,1),padding .4s}
.faq-item.open .faq-a{max-height:300px;padding:0 22px 18px}
.faq-a p{font-size:14px;color:var(--text-2);line-height:1.75}
.faq-a code{background:var(--accent-soft);padding:2px 6px;border-radius:4px;font-size:12px;color:var(--accent)}

/* CTA */
.cta-section{padding:100px 0}
.cta-box{background:var(--bg-alt);border:1px solid var(--border);border-radius:var(--radius-xl);padding:80px 40px;text-align:center;position:relative;overflow:hidden}
.cta-box::before{content:'';position:absolute;top:-50%;left:0;right:0;height:200%;background:radial-gradient(ellipse at top,rgba(99,102,241,.05) 0%,transparent 50%);pointer-events:none}
.cta-box h2{font-size:clamp(24px,3.5vw,36px);font-weight:800;letter-spacing:-1px;margin-bottom:14px;position:relative}
.cta-box p{font-size:16px;color:var(--text-2);max-width:500px;margin:0 auto 32px;position:relative;line-height:1.7}
.cta-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;position:relative}

/* FOOTER */
.footer{padding:64px 0 28px;border-top:1px solid var(--border);background:var(--bg-alt)}
.footer-top{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;margin-bottom:48px}
.footer-brand{max-width:280px}
.footer-brand .logo{margin-bottom:12px}
.footer-brand p{font-size:13px;color:var(--text-3);line-height:1.7}
.footer-cols{display:flex;gap:48px;flex-wrap:wrap}
.footer-col h4{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:1.5px;color:var(--text);margin-bottom:14px}
.footer-col a{display:block;font-size:14px;color:var(--text-3);padding:3px 0;transition:all .25s}
.footer-col a:hover{color:var(--accent);transform:translateX(3px)}
.footer-bottom{border-top:1px solid var(--border);padding-top:24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;font-size:13px;color:var(--text-3)}
.footer-social{display:flex;gap:20px}
.footer-social a{transition:color .2s}
.footer-social a:hover{color:var(--accent)}

/* ANIMATIONS */
.anim-fade{opacity:0;transform:translateY(30px);transition:opacity .8s cubic-bezier(.4,0,.2,1),transform .8s cubic-bezier(.4,0,.2,1)}
.anim-fade.visible{opacity:1;transform:translateY(0)}
.d1{transition-delay:.1s}.d2{transition-delay:.2s}.d3{transition-delay:.3s}.d4{transition-delay:.4s}.d5{transition-delay:.5s}
.anim-slide{opacity:0;transform:translateY(40px);transition:opacity .7s ease,transform .7s cubic-bezier(.4,0,.2,1)}
.anim-slide.visible{opacity:1;transform:translateY(0)}
.features-grid .anim-slide:nth-child(1){transition-delay:0s}
.features-grid .anim-slide:nth-child(2){transition-delay:.08s}
.features-grid .anim-slide:nth-child(3){transition-delay:.16s}
.features-grid .anim-slide:nth-child(4){transition-delay:.24s}
.features-grid .anim-slide:nth-child(5){transition-delay:.32s}
.features-grid .anim-slide:nth-child(6){transition-delay:.4s}
.testimonials-grid .anim-slide:nth-child(1){transition-delay:0s}
.testimonials-grid .anim-slide:nth-child(2){transition-delay:.1s}
.testimonials-grid .anim-slide:nth-child(3){transition-delay:.2s}

/* RESPONSIVE */
@media(max-width:1024px){.features-grid,.testimonials-grid{grid-template-columns:repeat(2,1fr)}.pricing-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){
.nav-links,.nav-actions{display:none}
.nav-links.open,.nav-actions.open{display:flex;position:absolute;top:68px;left:0;right:0;background:var(--bg);flex-direction:column;padding:16px 24px;border-bottom:1px solid var(--border);box-shadow:var(--shadow-md)}
.mobile-menu{display:block}
.features-grid,.testimonials-grid{grid-template-columns:1fr}
.steps-row{flex-direction:column;align-items:center}
.step-arrow{transform:rotate(90deg);margin:0}
.pricing-grid{grid-template-columns:1fr;max-width:380px;margin-left:auto;margin-right:auto}
.pcard-featured{transform:none}.pcard-featured:hover{transform:translateY(-6px)}
.hero-btns{flex-direction:column;align-items:center}
.hero-stats{gap:16px}.stat-divider{display:none}
.footer-top{flex-direction:column}
.footer-cols{gap:28px}
.section{padding:70px 0}
.mockup-body .dash-sidebar{display:none}
}