/* ===== Reset & Base ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:'Inter',system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;color:#1a1a2e;background:#fff;line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{cursor:pointer;font:inherit;border:none;background:none}
input,textarea{font:inherit}

/* ===== Typography ===== */
h1{font-size:clamp(2.2rem,5vw,3.5rem);font-weight:800;line-height:1.15;letter-spacing:-.02em}
h2{font-size:clamp(1.6rem,3.5vw,2.4rem);font-weight:700;line-height:1.25;letter-spacing:-.015em}
h3{font-size:clamp(1.2rem,2.5vw,1.5rem);font-weight:600;line-height:1.35}
h4{font-size:1.1rem;font-weight:600;line-height:1.4}
p{color:#4a4a68}
.text-sm{font-size:.875rem}
.text-xs{font-size:.75rem}
.text-center{text-align:center}
.text-muted{color:#6b7280}

/* ===== Layout ===== */
.container{width:100%;max-width:1140px;margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section-sm{padding:56px 0}
.section--grey{background:#f8f9fb}
.section--dark{background:#1a1a2e;color:#fff}
.section--dark p{color:#b0b3c5}

/* ===== Grid ===== */
.grid{display:grid;gap:32px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 28px;border-radius:8px;font-weight:600;font-size:.938rem;transition:all .2s ease;white-space:nowrap}
.btn-primary{background:#00aaee;color:#fff}
.btn-primary:hover{background:#0095d4;transform:translateY(-1px);box-shadow:0 4px 12px rgba(0,170,238,.3)}
.btn-ghost{border:1.5px solid #d1d5db;color:#1a1a2e;background:#fff}
.btn-ghost:hover{border-color:#00aaee;color:#00aaee}
.btn-dark{background:#1a1a2e;color:#fff}
.btn-dark:hover{background:#2d2d48;transform:translateY(-1px)}
.btn-lg{padding:16px 36px;font-size:1rem;border-radius:10px}
.btn-sm{padding:8px 20px;font-size:.813rem;border-radius:6px}

/* ===== Navigation ===== */
.nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid #eee}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.nav-logo{font-size:1.35rem;font-weight:800;color:#1a1a2e;text-decoration:none}
.nav-logo span{color:#00aaee}
.nav-links{display:flex;align-items:center;gap:32px}
.nav-links a{font-size:.875rem;font-weight:500;color:#4a4a68;transition:color .15s}
.nav-links a:hover,.nav-links a.active{color:#00aaee}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;flex-direction:column;gap:5px;padding:4px}
.nav-toggle span{display:block;width:22px;height:2px;background:#1a1a2e;border-radius:2px;transition:all .25s}

@media(max-width:768px){
    .nav-links,.nav-actions{display:none;flex-direction:column;gap:0}
    .nav-links.open,.nav-actions.open{display:flex;position:absolute;top:68px;left:0;right:0;background:#fff;border-bottom:1px solid #eee;padding:16px 24px;box-shadow:0 8px 24px rgba(0,0,0,.06)}
    .nav-links.open{padding-bottom:0}
    .nav-actions.open{padding-top:0;padding-bottom:20px}
    .nav-links.open a{padding:12px 0;width:100%;border-bottom:1px solid #f3f4f6}
    .nav-actions.open{flex-direction:row;gap:12px}
    .nav-toggle{display:flex}
}

/* ===== Hero ===== */
.hero{padding:100px 0 80px;text-align:center}
.hero h1{margin-bottom:20px}
.hero p{font-size:1.15rem;max-width:640px;margin:0 auto 36px;color:#4a4a68}
.hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.hero-badge{display:inline-block;background:#e6f7ff;color:#0086bb;font-size:.75rem;font-weight:700;padding:6px 16px;border-radius:20px;margin-bottom:20px;letter-spacing:.03em;text-transform:uppercase}

/* ===== Cards ===== */
.card{background:#fff;border:1px solid #eee;border-radius:12px;padding:32px;transition:all .2s ease}
.card:hover{border-color:#d0e8f5;box-shadow:0 8px 30px rgba(0,0,0,.06)}
.card-icon{width:48px;height:48px;background:#e6f7ff;border-radius:10px;display:flex;align-items:center;justify-content:center;margin-bottom:16px;color:#00aaee}
.card h3{margin-bottom:8px}
.card p{font-size:.925rem}

/* ===== Feature Row ===== */
.feature-row{display:flex;align-items:center;gap:60px;padding:60px 0}
.feature-row:nth-child(even){flex-direction:row-reverse}
.feature-content{flex:1}
.feature-visual{flex:1;background:#f8f9fb;border-radius:16px;height:320px;display:flex;align-items:center;justify-content:center;color:#b0b3c5;font-size:.875rem;border:1px solid #eee}
.feature-content h3{margin-bottom:12px}
.feature-content p{margin-bottom:20px}
.feature-list{display:flex;flex-direction:column;gap:10px}
.feature-list li{display:flex;align-items:flex-start;gap:10px;font-size:.925rem;color:#4a4a68}
.feature-list li svg{flex-shrink:0;margin-top:3px;color:#00aaee}
@media(max-width:768px){
    .feature-row,.feature-row:nth-child(even){flex-direction:column;gap:32px;padding:40px 0}
}

/* ===== Steps ===== */
.steps{counter-reset:step}
.step{position:relative;padding-left:72px;padding-bottom:48px}
.step::before{counter-increment:step;content:counter(step);position:absolute;left:0;top:0;width:48px;height:48px;border-radius:50%;background:#00aaee;color:#fff;font-weight:700;font-size:1.1rem;display:flex;align-items:center;justify-content:center}
.step::after{content:'';position:absolute;left:23px;top:52px;bottom:0;width:2px;background:#e6f7ff}
.step:last-child::after{display:none}
.step:last-child{padding-bottom:0}
.step h3{margin-bottom:6px}
.step p{font-size:.925rem}

/* ===== Pricing ===== */
.pricing-card{border-radius:16px;padding:36px;border:1.5px solid #eee;background:#fff;display:flex;flex-direction:column}
.pricing-card.featured{border-color:#00aaee;box-shadow:0 8px 30px rgba(0,170,238,.12);position:relative}
.pricing-badge{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:#00aaee;color:#fff;font-size:.7rem;font-weight:700;padding:4px 14px;border-radius:20px;text-transform:uppercase;letter-spacing:.05em}
.pricing-card h3{margin-bottom:4px}
.pricing-card .price{font-size:2.5rem;font-weight:800;color:#1a1a2e;margin:16px 0 4px}
.pricing-card .price span{font-size:.9rem;font-weight:500;color:#6b7280}
.pricing-card .price-sub{font-size:.813rem;color:#6b7280;margin-bottom:24px}
.pricing-features{flex:1;margin-bottom:28px;display:flex;flex-direction:column;gap:10px}
.pricing-features li{display:flex;align-items:flex-start;gap:8px;font-size:.875rem;color:#4a4a68}
.pricing-features li svg{flex-shrink:0;margin-top:2px;color:#1a8a4a}

/* ===== Stats Strip ===== */
.stats-strip{display:flex;justify-content:center;gap:60px;flex-wrap:wrap;padding:40px 0}
.stat{text-align:center}
.stat-number{font-size:2.2rem;font-weight:800;color:#00aaee}
.stat-label{font-size:.813rem;color:#6b7280;margin-top:4px}

/* ===== CTA Banner ===== */
.cta-banner{text-align:center;padding:80px 24px;background:linear-gradient(135deg,#00aaee 0%,#0077b6 100%);border-radius:20px;color:#fff;margin:0 24px}
.cta-banner h2{color:#fff;margin-bottom:12px}
.cta-banner p{color:rgba(255,255,255,.85);margin-bottom:28px;max-width:520px;margin-left:auto;margin-right:auto}
.cta-banner .btn-primary{background:#fff;color:#00aaee}
.cta-banner .btn-primary:hover{background:#f0f9ff;box-shadow:0 4px 16px rgba(0,0,0,.15)}

/* ===== FAQ Accordion ===== */
.faq-item{border-bottom:1px solid #eee}
.faq-question{display:flex;align-items:center;justify-content:space-between;width:100%;padding:20px 0;font-size:1rem;font-weight:600;color:#1a1a2e;text-align:left;background:none;border:none;cursor:pointer;gap:16px}
.faq-question svg{flex-shrink:0;transition:transform .25s;color:#6b7280}
.faq-item.open .faq-question svg{transform:rotate(45deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-answer p{padding-bottom:20px;font-size:.925rem;color:#4a4a68;line-height:1.7}

/* ===== Testimonials ===== */
.testimonial-card{padding:32px;border-radius:12px;border:1px solid #eee;background:#fff}
.testimonial-card blockquote{font-size:1rem;font-style:italic;color:#4a4a68;margin-bottom:20px;line-height:1.7}
.testimonial-author{display:flex;align-items:center;gap:12px}
.testimonial-avatar{width:40px;height:40px;border-radius:50%;background:#e6f7ff;display:flex;align-items:center;justify-content:center;font-weight:700;color:#00aaee;font-size:.875rem}
.testimonial-name{font-weight:600;font-size:.875rem}
.testimonial-role{font-size:.75rem;color:#6b7280}

/* ===== Changelog ===== */
.changelog-entry{padding:24px 0;border-bottom:1px solid #eee}
.changelog-entry:last-child{border-bottom:none}
.changelog-date{font-size:.75rem;font-weight:600;color:#00aaee;text-transform:uppercase;letter-spacing:.04em;margin-bottom:6px}
.changelog-entry h3{font-size:1.05rem;margin-bottom:6px}
.changelog-entry p{font-size:.925rem}
.changelog-tag{display:inline-block;font-size:.65rem;font-weight:700;padding:2px 10px;border-radius:10px;text-transform:uppercase;letter-spacing:.03em;margin-right:6px}
.changelog-tag--new{background:#e9fdf3;color:#1a8a4a}
.changelog-tag--improved{background:#e6f7ff;color:#0086bb}
.changelog-tag--fix{background:#fef2f2;color:#dc2626}

/* ===== Integration Card ===== */
.integration-card{display:flex;align-items:center;gap:20px;padding:24px;border:1px solid #eee;border-radius:12px;background:#fff;transition:border-color .2s}
.integration-card:hover{border-color:#00aaee}
.integration-icon{width:56px;height:56px;border-radius:12px;background:#f8f9fb;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.integration-card h4{margin-bottom:2px}
.integration-card p{font-size:.813rem;margin:0}
.integration-badge{font-size:.65rem;font-weight:700;padding:2px 8px;border-radius:8px;text-transform:uppercase;letter-spacing:.03em}
.integration-badge--live{background:#e9fdf3;color:#1a8a4a}
.integration-badge--soon{background:#fff7ed;color:#d97706}

/* ===== Page Header ===== */
.page-header{text-align:center;padding:80px 0 48px}
.page-header h1{margin-bottom:12px}
.page-header p{max-width:600px;margin:0 auto;font-size:1.05rem}

/* ===== Legal ===== */
.legal-content{max-width:760px;margin:0 auto}
.legal-content h2{margin:40px 0 12px;font-size:1.3rem}
.legal-content h2:first-child{margin-top:0}
.legal-content p{margin-bottom:16px;font-size:.925rem}
.legal-content ul{margin-bottom:16px;padding-left:20px}
.legal-content ul li{list-style:disc;font-size:.925rem;color:#4a4a68;margin-bottom:6px}

/* ===== Footer ===== */
.footer{background:#1a1a2e;color:#fff;padding:60px 0 32px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:48px}
.footer-brand p{color:#8b8da8;font-size:.875rem;margin-top:12px;max-width:280px}
.footer-col h4{font-size:.75rem;text-transform:uppercase;letter-spacing:.06em;color:#8b8da8;margin-bottom:16px}
.footer-col a{display:block;font-size:.875rem;color:#c8cad8;padding:4px 0;transition:color .15s}
.footer-col a:hover{color:#00aaee}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.footer-bottom p{font-size:.75rem;color:#6b7280}
.footer-bottom-links{display:flex;gap:20px}
.footer-bottom-links a{font-size:.75rem;color:#6b7280;transition:color .15s}
.footer-bottom-links a:hover{color:#00aaee}
@media(max-width:768px){
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:480px){
    .footer-grid{grid-template-columns:1fr}
}

/* ===== Utilities ===== */
.mb-0{margin-bottom:0!important}
.mb-4{margin-bottom:4px!important}
.mb-8{margin-bottom:8px!important}
.mb-12{margin-bottom:12px!important}
.mb-16{margin-bottom:16px!important}
.mb-24{margin-bottom:24px!important}
.mb-32{margin-bottom:32px!important}
.mb-48{margin-bottom:48px!important}
.mt-24{margin-top:24px!important}
.mt-48{margin-top:48px!important}