*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --teal:#00C9A7;
  --dark:#0B0E11;
  --dark2:#141821;
  --dark3:#1A1F2E;
  --white:#FFFFFF;
  --gray:#A0A8B4;
  --gray-light:#E8ECF0;
  --radius:8px;
  --max-w:1140px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font);background:var(--dark);color:var(--white);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--teal);text-decoration:none;transition:opacity .2s}
a:hover{opacity:.8}
img,svg{display:block;max-width:100%}
ul{list-style:none}

/* ── Layout ── */
.container{width:100%;max-width:var(--max-w);margin:0 auto;padding:0 24px}
section{padding:80px 0}
section:nth-child(even){background:var(--dark2)}

/* ── Header ── */
.site-header{position:sticky;top:0;z-index:100;background:rgba(11,14,17,.92);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.06)}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-size:1.2rem;font-weight:700;color:var(--white);letter-spacing:-.02em}
.logo svg{width:32px;height:32px}
.nav-links{display:flex;gap:28px}
.nav-links a{color:var(--gray);font-size:.9rem;font-weight:500;transition:color .2s}
.nav-links a:hover,.nav-links a.active{color:var(--white)}
.menu-toggle{display:none;background:none;border:none;color:var(--white);cursor:pointer}

/* ── Hero ── */
.hero{padding:100px 0 80px;text-align:center;background:linear-gradient(180deg,var(--dark) 0%,var(--dark2) 100%)}
.hero h1{font-size:clamp(2rem,5vw,3.2rem);font-weight:800;line-height:1.15;margin-bottom:20px;letter-spacing:-.03em}
.hero h1 span{color:var(--teal)}
.hero p{font-size:1.15rem;color:var(--gray);max-width:640px;margin:0 auto 36px}
.hero-cta{display:inline-block;padding:14px 36px;background:var(--teal);color:var(--dark);font-weight:700;font-size:1rem;border-radius:var(--radius);transition:transform .15s,box-shadow .15s}
.hero-cta:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,201,167,.25);opacity:1}

/* ── Stats Bar ── */
.stats-bar{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;padding:48px 0}
.stat-card{text-align:center;padding:24px 12px;background:var(--dark3);border-radius:var(--radius);border:1px solid rgba(255,255,255,.05)}
.stat-card .num{font-size:1.8rem;font-weight:800;color:var(--teal);line-height:1.2}
.stat-card .label{font-size:.82rem;color:var(--gray);margin-top:4px}

/* ── Section Headings ── */
.section-title{font-size:clamp(1.5rem,3.5vw,2.2rem);font-weight:700;text-align:center;margin-bottom:12px;letter-spacing:-.02em}
.section-sub{text-align:center;color:var(--gray);max-width:600px;margin:0 auto 48px;font-size:1rem}

/* ── Feature Grid ── */
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{padding:32px 28px;background:var(--dark3);border-radius:var(--radius);border:1px solid rgba(255,255,255,.05);transition:border-color .2s}
.feature-card:hover{border-color:var(--teal)}
.feature-card .icon{width:44px;height:44px;margin-bottom:16px;display:flex;align-items:center;justify-content:center;background:rgba(0,201,167,.1);border-radius:10px;color:var(--teal)}
.feature-card h3{font-size:1.05rem;font-weight:600;margin-bottom:8px}
.feature-card p{font-size:.88rem;color:var(--gray);line-height:1.55}

/* ── Steps ── */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;counter-reset:step}
.step{position:relative;padding:36px 28px 28px;background:var(--dark3);border-radius:var(--radius);border:1px solid rgba(255,255,255,.05)}
.step::before{counter-increment:step;content:counter(step);position:absolute;top:-18px;left:28px;width:36px;height:36px;background:var(--teal);color:var(--dark);font-weight:800;font-size:1rem;border-radius:50%;display:flex;align-items:center;justify-content:center}
.step h3{margin-bottom:8px;font-size:1rem;font-weight:600}
.step p{font-size:.88rem;color:var(--gray)}

/* ── Comparison Table ── */
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;min-width:600px}
th,td{padding:14px 18px;text-align:left;font-size:.9rem;border-bottom:1px solid rgba(255,255,255,.06)}
th{background:var(--dark3);color:var(--gray);font-weight:600;font-size:.8rem;text-transform:uppercase;letter-spacing:.05em}
td{color:var(--gray-light)}
tr:hover td{background:rgba(0,201,167,.03)}
td.highlight{color:var(--teal);font-weight:600}

/* ── FAQ ── */
.faq-list{max-width:780px;margin:0 auto}
.faq-item{border-bottom:1px solid rgba(255,255,255,.06)}
.faq-item summary{padding:20px 0;font-size:1rem;font-weight:600;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;color:var(--white);transition:color .2s}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:1.4rem;color:var(--teal);transition:transform .2s}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item .answer{padding:0 0 20px;font-size:.92rem;color:var(--gray);line-height:1.7;max-width:700px}

/* ── About ── */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.about-text h2{font-size:1.6rem;font-weight:700;margin-bottom:16px}
.about-text p{color:var(--gray);font-size:.94rem;line-height:1.7;margin-bottom:16px}
.cert-list{display:flex;flex-direction:column;gap:16px}
.cert-card{padding:24px;background:var(--dark3);border-radius:var(--radius);border:1px solid rgba(255,255,255,.05)}
.cert-card h4{font-size:.95rem;font-weight:600;margin-bottom:6px;color:var(--teal)}
.cert-card p{font-size:.85rem;color:var(--gray);line-height:1.6}
.timeline{margin-top:40px}
.timeline h3{font-size:1.1rem;font-weight:700;margin-bottom:20px}
.timeline-item{position:relative;padding-left:28px;margin-bottom:20px}
.timeline-item::before{content:"";position:absolute;left:0;top:8px;width:10px;height:10px;background:var(--teal);border-radius:50%}
.timeline-item::after{content:"";position:absolute;left:4px;top:22px;width:2px;height:calc(100% + 4px);background:rgba(0,201,167,.2)}
.timeline-item:last-child::after{display:none}
.timeline-item h4{font-size:.9rem;font-weight:600}
.timeline-item p{font-size:.84rem;color:var(--gray)}

/* ── Footer ── */
.site-footer{background:var(--dark);border-top:1px solid rgba(255,255,255,.06);padding:48px 0 32px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;margin-bottom:32px}
.footer-brand p{font-size:.85rem;color:var(--gray);margin-top:12px;max-width:320px;line-height:1.6}
.footer-col h4{font-size:.8rem;text-transform:uppercase;letter-spacing:.06em;color:var(--gray);margin-bottom:14px;font-weight:600}
.footer-col a{display:block;font-size:.88rem;color:var(--gray-light);margin-bottom:8px}
.footer-bottom{text-align:center;font-size:.78rem;color:var(--gray);border-top:1px solid rgba(255,255,255,.06);padding-top:24px}

/* ── Responsive ── */
@media(max-width:900px){
  .stats-bar{grid-template-columns:repeat(3,1fr)}
  .features-grid,.steps{grid-template-columns:1fr 1fr}
  .about-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:600px){
  section{padding:56px 0}
  .hero{padding:72px 0 56px}
  .stats-bar{grid-template-columns:1fr 1fr}
  .features-grid,.steps{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .nav-links{display:none;position:absolute;top:64px;left:0;right:0;background:var(--dark);flex-direction:column;padding:24px;gap:16px;border-bottom:1px solid rgba(255,255,255,.06)}
  .nav-links.open{display:flex}
  .menu-toggle{display:block}
  .stat-card .num{font-size:1.4rem}
}