/* ═══════════════════════════════════════════
   VCT Platform — Shared Design System
   Version 7.0 • 2026
   ═══════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ══ RESET ══ */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}

/* ══ DESIGN TOKENS ══ */
:root{
  --font:'Inter',system-ui,-apple-system,sans-serif;
  --radius:14px;
  --radius-sm:8px;
  --radius-lg:20px;
  --transition:all .3s cubic-bezier(.4,0,.2,1);
  --max-w:1400px;
  --nav-h:64px;
}

/* ══ DARK THEME ══ */
[data-theme="dark"]{
  --bg:#090b12;--bg2:#0f1219;
  --card:#151921;--card2:#1c2030;--card3:#232838;
  --accent:#6366f1;--accent2:#818cf8;
  --accentG:linear-gradient(135deg,#6366f1,#06b6d4);
  --green:#22c55e;--orange:#f59e0b;--red:#ef4444;
  --cyan:#06b6d4;--pink:#ec4899;--purple:#a855f7;
  --text:#f1f5f9;--text2:#94a3b8;--text3:#64748b;
  --border:#1e293b;--border2:#334155;
  --shadow:0 4px 30px rgba(0,0,0,.4);
  --glass:rgba(15,18,25,.85);
  --hero-bg:radial-gradient(ellipse at 30% 0%,rgba(99,102,241,.12),transparent 60%),
            radial-gradient(ellipse at 70% 100%,rgba(6,182,212,.08),transparent 60%),var(--bg);
  --nav-bg:rgba(9,11,18,.88);
  --nav-border:rgba(30,41,59,.6)
}

/* ══ LIGHT THEME ══ */
[data-theme="light"]{
  --bg:#f8fafc;--bg2:#ffffff;
  --card:#ffffff;--card2:#f1f5f9;--card3:#e2e8f0;
  --accent:#4f46e5;--accent2:#6366f1;
  --accentG:linear-gradient(135deg,#4f46e5,#0891b2);
  --green:#16a34a;--orange:#d97706;--red:#dc2626;
  --cyan:#0891b2;--pink:#db2777;--purple:#9333ea;
  --text:#0f172a;--text2:#475569;--text3:#94a3b8;
  --border:#e2e8f0;--border2:#cbd5e1;
  --shadow:0 4px 30px rgba(0,0,0,.08);
  --glass:rgba(255,255,255,.88);
  --hero-bg:radial-gradient(ellipse at 30% 0%,rgba(99,102,241,.06),transparent 60%),
            radial-gradient(ellipse at 70% 100%,rgba(6,182,212,.04),transparent 60%),var(--bg);
  --nav-bg:rgba(248,250,252,.9);
  --nav-border:rgba(226,232,240,.8)
}

body{
  font-family:var(--font);
  background:var(--hero-bg);
  color:var(--text);
  line-height:1.7;
  transition:var(--transition);
  padding-top:var(--nav-h);
}

/* ═══════════════════════════════════════════
   NAVIGATION
   ═══════════════════════════════════════════ */
.site-nav{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  height:var(--nav-h);
  background:var(--nav-bg);
  -webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);
  border-bottom:1px solid var(--nav-border);
  transition:var(--transition);
}
.site-nav.scrolled{box-shadow:0 2px 20px rgba(0,0,0,.15)}
.site-nav.nav-hidden{transform:translateY(-100%)}
.nav-inner{
  max-width:var(--max-w);margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;
  height:100%;padding:0 24px;
}
.nav-brand{
  display:flex;align-items:center;gap:10px;
  text-decoration:none;font-weight:900;font-size:1.2rem;
  color:var(--text);
  letter-spacing:-.5px;
}
.nav-brand-logo{height:36px;width:auto;object-fit:contain}
.nav-brand-text{
  background:var(--accentG);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
}
.nav-brand-icon{font-size:1.4rem;-webkit-text-fill-color:initial}
.nav-links{display:flex;align-items:center;gap:4px;list-style:none}
.nav-links a{
  color:var(--text2);text-decoration:none;
  padding:8px 16px;border-radius:var(--radius-sm);
  font-size:.88rem;font-weight:600;
  transition:var(--transition);white-space:nowrap;
}
.nav-links a:hover{color:var(--text);background:var(--card2)}
.nav-links a.active{color:#fff;background:var(--accentG)}
.nav-cta{
  padding:8px 20px;border-radius:var(--radius-sm);
  background:var(--accentG);color:#fff !important;
  font-weight:700;font-size:.85rem;
}
.nav-cta:hover{opacity:.9;transform:translateY(-1px)}
.nav-theme{
  width:40px;height:40px;border-radius:50%;
  border:1px solid var(--border);background:var(--card);
  cursor:pointer;display:flex;align-items:center;justify-content:center;
  font-size:1.1rem;transition:var(--transition);margin-left:8px;
}
.nav-theme:hover{border-color:var(--accent);transform:scale(1.1)}
.nav-lang-toggle{
  width:40px;height:40px;border-radius:50%;
  border:1px solid var(--border);background:var(--card);
  cursor:pointer;display:flex;align-items:center;justify-content:center;
  font-size:.75rem;font-weight:800;color:var(--accent2);
  transition:var(--transition);margin-left:4px;letter-spacing:-.5px;
  font-family:var(--font);
}
.nav-lang-toggle:hover{border-color:var(--accent);transform:scale(1.1);background:var(--accent);color:#fff}
.nav-hamburger{display:none;background:none;border:none;color:var(--text);font-size:1.5rem;cursor:pointer;padding:4px}

@media(max-width:900px){
  .nav-hamburger{display:block}
  .nav-links{
    position:fixed;top:var(--nav-h);left:0;right:0;
    background:var(--nav-bg);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);
    flex-direction:column;padding:16px;gap:4px;
    border-bottom:1px solid var(--border);
    transform:translateY(-120%);transition:var(--transition);
    z-index:999;
  }
  .nav-links.open{transform:translateY(0)}
  .nav-links a{width:100%;padding:12px 16px}
}

/* ═══════════════════════════════════════════
   LAYOUT
   ═══════════════════════════════════════════ */
.container{max-width:var(--max-w);margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section-alt{background:var(--bg2)}
.section-header{text-align:center;margin-bottom:48px}
.section-header h2{font-size:2.2rem;font-weight:900;margin-bottom:12px}
.section-header .subtitle{color:var(--text2);font-size:1.1rem;max-width:600px;margin:0 auto}
.section-tag{
  display:inline-block;padding:6px 16px;border-radius:var(--radius-lg);
  background:rgba(99,102,241,.1);color:var(--accent2);
  font-size:.78rem;font-weight:700;text-transform:uppercase;
  letter-spacing:1px;margin-bottom:16px;
}

/* ═══════════════════════════════════════════
   HERO (Landing page)
   ═══════════════════════════════════════════ */
.hero-landing{
  text-align:center;padding:100px 20px 80px;
  position:relative;overflow:hidden;
}
.hero-landing::before{
  content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;
  background:radial-gradient(circle at 30% 30%,rgba(99,102,241,.08),transparent 50%),
             radial-gradient(circle at 70% 70%,rgba(6,182,212,.06),transparent 50%);
  animation:heroGlow 15s ease-in-out infinite alternate;
}
@keyframes heroGlow{
  0%{transform:translate(0,0)}
  100%{transform:translate(-5%,5%)}
}
.hero-content{position:relative;z-index:1}
.hero-logo{
  font-size:4rem;font-weight:900;
  background:var(--accentG);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;letter-spacing:-2px;
  margin-bottom:8px;
}
.hero-tagline{
  font-size:1.4rem;color:var(--text2);font-weight:300;
  max-width:700px;margin:0 auto 16px;
}
.hero-version{
  display:inline-block;padding:6px 20px;border-radius:var(--radius-lg);
  background:var(--card2);color:var(--accent2);
  font-size:.82rem;font-weight:600;border:1px solid var(--border);
  margin-bottom:32px;
}
.hero-buttons{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-bottom:48px}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 32px;border-radius:12px;font-weight:700;
  font-size:.95rem;text-decoration:none;transition:var(--transition);
  cursor:pointer;border:2px solid transparent;font-family:var(--font);
}
.btn-primary{background:var(--accentG);color:#fff;border:none}
.btn-primary:hover{opacity:.9;transform:translateY(-2px);box-shadow:0 8px 30px rgba(99,102,241,.3)}
.btn-outline{border:2px solid var(--accent);color:var(--accent);background:transparent}
.btn-outline:hover{background:var(--accent);color:#fff;transform:translateY(-2px)}

/* ══ STATS BAR ══ */
.stats-bar{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;padding:30px 20px}
.stat-item{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);padding:24px 28px;
  min-width:140px;text-align:center;transition:var(--transition);
}
.stat-item:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--accent)}
.stat-num{
  font-size:2.4rem;font-weight:900;
  background:var(--accentG);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
}
.stat-label{color:var(--text2);font-size:.82rem;margin-top:4px;font-weight:500}

/* ═══════════════════════════════════════════
   CARDS
   ═══════════════════════════════════════════ */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(380px,1fr));gap:18px;margin:20px 0}
.grid-3{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}
.grid-4{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
.card{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);padding:24px;
  transition:var(--transition);position:relative;overflow:hidden;
}
.card::before{
  content:'';position:absolute;top:0;left:0;right:0;
  height:3px;background:var(--accentG);opacity:0;transition:var(--transition);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--accent)}
.card:hover::before{opacity:1}
.card-icon{font-size:2.4rem;margin-bottom:12px}
.card h3{font-size:1.1rem;font-weight:700;margin-bottom:8px}
.card p{color:var(--text2);font-size:.9rem}

/* Feature cards for landing */
.feature-card{padding:32px;text-align:center}
.feature-card .card-icon{font-size:3rem;margin-bottom:16px}
.feature-card h3{font-size:1.15rem;margin-bottom:10px}

/* ══ BADGES ══ */
.badge{display:inline-block;padding:3px 12px;border-radius:var(--radius-lg);font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.5px}
.b-purple{background:rgba(99,102,241,.15);color:var(--accent2)}
.b-green{background:rgba(34,197,94,.15);color:var(--green)}
.b-orange{background:rgba(245,158,11,.15);color:var(--orange)}
.b-cyan{background:rgba(6,182,212,.15);color:var(--cyan)}
.b-pink{background:rgba(236,72,153,.15);color:var(--pink)}
.b-red{background:rgba(239,68,68,.15);color:var(--red)}

/* ═══════════════════════════════════════════
   PRICING
   ═══════════════════════════════════════════ */
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:24px}
.pricing-card{
  background:var(--card);border:2px solid var(--border);
  border-radius:var(--radius);padding:36px 28px;
  text-align:center;position:relative;transition:var(--transition);
}
.pricing-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.pricing-card--popular{border-color:var(--accent);box-shadow:0 0 30px rgba(99,102,241,.15)}
.pricing-card--popular::before{
  content:'PHỔ BIẾN';position:absolute;top:-14px;left:50%;transform:translateX(-50%);
  background:var(--accentG);color:#fff;padding:6px 20px;border-radius:14px;
  font-size:.72rem;font-weight:700;letter-spacing:.5px;
}
.pricing-card--enterprise{border-color:var(--purple)}
.pricing-name{font-size:1.4rem;font-weight:800;margin-bottom:4px}
.pricing-price{
  font-size:2.2rem;font-weight:900;
  background:var(--accentG);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;margin:16px 0 4px;
}
.pricing-period{color:var(--text3);font-size:.82rem;margin-bottom:20px}
.pricing-features{list-style:none;padding:0;text-align:left;margin:0 0 24px}
.pricing-features li{padding:8px 0;border-bottom:1px solid var(--border);font-size:.88rem;color:var(--text2)}
.pricing-features li::before{margin-right:8px}
.pricing-features li.yes::before{content:'✅'}
.pricing-features li.no::before{content:'❌'}
.pricing-features li.info::before{content:'ℹ️'}
.pricing-cta{
  display:inline-block;padding:12px 32px;border-radius:12px;
  font-weight:700;font-size:.92rem;text-decoration:none;
  border:2px solid var(--accent);color:var(--accent);
  transition:var(--transition);cursor:pointer;background:transparent;
}
.pricing-cta:hover{background:var(--accent);color:#fff}
.pricing-cta--primary{background:var(--accentG);color:#fff;border:none}
.pricing-cta--primary:hover{opacity:.9}

/* ══ ROI BOX ══ */
.roi-box{
  background:var(--card);border:2px solid var(--green);
  border-radius:var(--radius);padding:32px;margin-top:32px;text-align:center;
}
.roi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:20px}
.roi-item{padding:16px}
.roi-num{font-size:1.8rem;font-weight:900;color:var(--green)}
.roi-label{font-size:.82rem;color:var(--text2);margin-top:6px}

/* ═══════════════════════════════════════════
   HOW IT WORKS
   ═══════════════════════════════════════════ */
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step}
.step-card{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);padding:32px 24px;text-align:center;
  position:relative;transition:var(--transition);
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--accent)}
.step-card::before{
  counter-increment:step;content:counter(step);
  position:absolute;top:-16px;left:50%;transform:translateX(-50%);
  width:32px;height:32px;border-radius:50%;
  background:var(--accentG);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:.85rem;
}
.step-icon{font-size:2.4rem;margin:8px 0 16px}
.step-card h4{font-size:1rem;font-weight:700;margin-bottom:6px}
.step-card p{color:var(--text2);font-size:.85rem}

/* ═══════════════════════════════════════════
   USE CASE / PERSONA CARDS
   ═══════════════════════════════════════════ */
.persona-card{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);padding:32px;transition:var(--transition);
}
.persona-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.persona-icon{font-size:3rem;margin-bottom:16px}
.persona-role{
  display:inline-block;padding:4px 14px;border-radius:var(--radius-lg);
  font-size:.75rem;font-weight:700;margin-bottom:12px;
}
.persona-quote{color:var(--text2);font-size:.92rem;font-style:italic;line-height:1.8}

/* ═══════════════════════════════════════════
   TABLE
   ═══════════════════════════════════════════ */
table{width:100%;border-collapse:collapse;margin:15px 0;font-size:.85rem}
th{background:var(--card2);color:var(--accent2);padding:12px 14px;text-align:left;border:1px solid var(--border);font-weight:700;font-size:.78rem;text-transform:uppercase;letter-spacing:.5px}
td{padding:10px 14px;border:1px solid var(--border);color:var(--text2)}
tr:hover td{background:var(--card2)}

/* ═══════════════════════════════════════════
   FAQ
   ═══════════════════════════════════════════ */
.faq-item{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);margin-bottom:8px;overflow:hidden;
}
.faq-question{
  padding:18px 24px;cursor:pointer;display:flex;
  justify-content:space-between;align-items:center;
  font-weight:700;font-size:.95rem;transition:var(--transition);
}
.faq-question:hover{background:var(--card2)}
.faq-question::after{content:'▸';transition:transform .3s;font-size:1.2rem;color:var(--accent2)}
.faq-item.open .faq-question::after{transform:rotate(90deg)}
.faq-answer{
  max-height:0;overflow:hidden;transition:max-height .4s ease;
  padding:0 24px;color:var(--text2);font-size:.9rem;
}
.faq-item.open .faq-answer{max-height:500px;padding:0 24px 18px}

/* ═══════════════════════════════════════════
   CTA BANNER
   ═══════════════════════════════════════════ */
.cta-banner{
  background:var(--card);border:2px solid var(--accent);
  border-radius:var(--radius);padding:60px 40px;
  text-align:center;margin:40px 0;
  position:relative;overflow:hidden;
}
.cta-banner::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(99,102,241,.05),rgba(6,182,212,.05));
}
.cta-banner h2{font-size:2rem;font-weight:900;margin-bottom:12px;position:relative}
.cta-banner p{color:var(--text2);font-size:1.05rem;margin-bottom:24px;position:relative}
.cta-banner .hero-buttons{position:relative}

/* ═══════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════ */
.site-footer{
  text-align:center;padding:48px 24px;
  color:var(--text3);font-size:.82rem;
  border-top:1px solid var(--border);margin-top:40px;
}
.site-footer strong{color:var(--text2)}
.footer-logo{
  display:flex;flex-direction:column;align-items:center;gap:8px;
  font-size:1.3rem;font-weight:900;
  background:var(--accentG);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;margin-bottom:8px;
}
.footer-logo img{height:48px;width:auto;object-fit:contain}
.footer-links{display:flex;gap:16px;justify-content:center;margin:12px 0;flex-wrap:wrap}
.footer-links a{color:var(--text2);text-decoration:none;font-size:.85rem;transition:var(--transition)}
.footer-links a:hover{color:var(--accent2)}

/* ═══════════════════════════════════════════
   UTILITIES
   ═══════════════════════════════════════════ */
.mb-20{margin-bottom:20px}.mt-0{margin-top:0}.mt-4{margin-top:4px}
.mt-6{margin-top:6px}.mt-8{margin-top:8px}.mt-10{margin-top:10px}
.mt-12{margin-top:12px}.mt-16{margin-top:16px}
.c-accent2{color:var(--accent2)}.c-text2{color:var(--text2)}.c-text3{color:var(--text3)}
.c-green{color:var(--green)}.c-purple{color:var(--purple)}.c-cyan{color:var(--cyan)}
.c-orange{color:var(--orange)}.c-pink{color:var(--pink)}.c-text{color:var(--text)}
.fs-sm{font-size:.82rem}.fs-xs{font-size:.78rem}.fs-md{font-size:.88rem}
.fs-1{font-size:1rem}.fs-14{font-size:1.4rem}.fs-11{font-size:1.1rem}.fs-08{font-size:.8rem}
.overflow-x{overflow-x:auto}.text-center{text-align:center}
.data-source{color:var(--text3);font-size:.78rem;margin-top:8px;font-style:italic}
.perm-y{color:var(--green);font-weight:700;text-align:center}
.perm-n{color:var(--border2);text-align:center}

/* ═══════════════════════════════════════════
   SKIP NAVIGATION (Accessibility)
   ═══════════════════════════════════════════ */
.skip-link{
  position:absolute;top:-50px;left:0;
  background:var(--accent);color:#fff;
  padding:8px 20px;z-index:10001;
  font-size:.88rem;font-weight:600;text-decoration:none;
  border-radius:0 0 var(--radius-sm) 0;
  transition:top .2s;
}
.skip-link:focus{top:0}

/* ═══════════════════════════════════════════
   PAGE HERO (shorter than landing hero)
   ═══════════════════════════════════════════ */
.page-hero{
  text-align:center;padding:60px 20px 40px;
  position:relative;overflow:hidden;
}
.page-hero::before{
  content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;
  background:radial-gradient(circle at 40% 40%,rgba(99,102,241,.06),transparent 50%),
             radial-gradient(circle at 60% 60%,rgba(6,182,212,.04),transparent 50%);
}
.page-hero .hero-content{position:relative;z-index:1}
.page-hero .hero-tagline{font-size:1.15rem;max-width:650px;margin:0 auto}
.page-hero .page-icon{font-size:3.5rem;margin-bottom:12px}
.page-hero h1{
  font-size:2.4rem;font-weight:900;margin-bottom:8px;
  background:var(--accentG);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;letter-spacing:-1px;
}

/* ═══════════════════════════════════════════
   GRID-2
   ═══════════════════════════════════════════ */
.grid-2{grid-template-columns:repeat(auto-fill,minmax(400px,1fr))}

/* ═══════════════════════════════════════════
   FORMS
   ═══════════════════════════════════════════ */
.form-group{margin-bottom:20px}
.form-label{
  display:block;font-size:.88rem;font-weight:600;
  color:var(--text);margin-bottom:6px;
}
.form-input,.form-textarea,.form-select{
  width:100%;padding:12px 16px;border-radius:var(--radius-sm);
  border:2px solid var(--border);background:var(--card);
  color:var(--text);font-size:.92rem;font-family:var(--font);
  transition:var(--transition);outline:none;
}
.form-input:focus,.form-textarea:focus,.form-select:focus{
  border-color:var(--accent);box-shadow:0 0 0 3px rgba(99,102,241,.15);
}
.form-textarea{resize:vertical;min-height:120px}
.form-select{cursor:pointer;appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;padding-right:36px;
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.btn-submit{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 40px;border-radius:12px;font-weight:700;
  font-size:.95rem;cursor:pointer;border:none;
  background:var(--accentG);color:#fff;font-family:var(--font);
  transition:var(--transition);
}
.btn-submit:hover{opacity:.9;transform:translateY(-2px);box-shadow:0 8px 30px rgba(99,102,241,.3)}
.btn-submit:disabled{opacity:.6;cursor:not-allowed;transform:none}
.btn-success{background:var(--green) !important}
.form-card{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);padding:36px;
}

/* ═══════════════════════════════════════════
   BLOG CARDS
   ═══════════════════════════════════════════ */
.blog-card{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);overflow:hidden;transition:var(--transition);
}
.blog-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--accent)}
.blog-card-img{
  width:100%;height:200px;object-fit:cover;
  background:var(--card2);display:flex;align-items:center;justify-content:center;
  font-size:3rem;
}
.blog-card-body{padding:20px}
.blog-card-meta{
  display:flex;gap:12px;font-size:.78rem;color:var(--text3);margin-bottom:8px;
}
.blog-card-body h3{font-size:1.05rem;font-weight:700;margin-bottom:6px}
.blog-card-body p{color:var(--text2);font-size:.88rem;line-height:1.6}
.blog-tag{
  display:inline-block;padding:2px 10px;border-radius:var(--radius-lg);
  font-size:.72rem;font-weight:600;background:rgba(99,102,241,.1);
  color:var(--accent2);margin-right:6px;
}

/* ═══════════════════════════════════════════
   TIMELINE
   ═══════════════════════════════════════════ */
.timeline{position:relative;padding:20px 0;margin:30px 0}
.timeline::before{
  content:'';position:absolute;left:24px;top:0;bottom:0;
  width:2px;background:var(--border);
}
.timeline-item{
  position:relative;padding-left:60px;margin-bottom:32px;
}
.timeline-dot{
  position:absolute;left:16px;top:4px;
  width:18px;height:18px;border-radius:50%;
  background:var(--accentG);border:3px solid var(--bg);
}
.timeline-year{
  font-size:.82rem;font-weight:700;color:var(--accent2);margin-bottom:4px;
}
.timeline-item h4{font-size:1rem;font-weight:700;margin-bottom:4px}
.timeline-item p{color:var(--text2);font-size:.88rem}

/* ═══════════════════════════════════════════
   TABLE OF CONTENTS
   ═══════════════════════════════════════════ */
.toc{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);padding:25px 30px;margin:30px 0;
}
.toc h3{margin-bottom:12px}
.toc a{
  color:var(--accent2);text-decoration:none;
  display:block;padding:5px 0;font-size:.92rem;
  transition:var(--transition);
}
.toc a:hover{color:var(--cyan);padding-left:8px}

/* ═══════════════════════════════════════════
   FLOW BOX (process flows)
   ═══════════════════════════════════════════ */
.flow{
  background:var(--card2);border-radius:var(--radius-sm);
  padding:16px 20px;margin:12px 0;font-size:.9rem;
  color:var(--text2);border-left:3px solid var(--accent);
}

/* ═══════════════════════════════════════════
   HERITAGE (belt system, lineage)
   ═══════════════════════════════════════════ */
.belt-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px}
.belt-item{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius-sm);padding:16px;text-align:center;
  transition:var(--transition);
}
.belt-item:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.belt-color{
  width:40px;height:40px;border-radius:50%;margin:0 auto 8px;
  border:2px solid var(--border);
}
.belt-name{font-weight:700;font-size:.9rem;margin-bottom:2px}
.belt-rank{color:var(--text3);font-size:.78rem}

/* ═══════════════════════════════════════════
   CONTACT INFO CARDS
   ═══════════════════════════════════════════ */
.contact-info-card{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);padding:28px;text-align:center;
  transition:var(--transition);
}
.contact-info-card:hover{border-color:var(--accent);transform:translateY(-2px)}
.contact-icon{font-size:2.2rem;margin-bottom:10px}
.contact-info-card h3{font-size:1rem;font-weight:700;margin-bottom:4px}
.contact-info-card p{color:var(--text2);font-size:.88rem}

/* ═══════════════════════════════════════════
   404 PAGE
   ═══════════════════════════════════════════ */
.error-page{
  text-align:center;padding:100px 20px;min-height:60vh;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
}
.error-code{
  font-size:8rem;font-weight:900;line-height:1;
  background:var(--accentG);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;margin-bottom:16px;
}
.error-page h2{font-size:1.8rem;font-weight:700;margin-bottom:12px}
.error-page p{color:var(--text2);font-size:1.1rem;margin-bottom:32px;max-width:500px}

/* ═══════════════════════════════════════════
   FEATURE TABS
   ═══════════════════════════════════════════ */
.feature-detail{
  display:grid;grid-template-columns:1fr 1fr;gap:40px;
  align-items:center;margin:30px 0;
}
.feature-detail-text h3{font-size:1.4rem;font-weight:800;margin-bottom:12px}
.feature-detail-text p{color:var(--text2);font-size:.95rem;margin-bottom:16px}
.feature-list{list-style:none;padding:0}
.feature-list li{
  padding:8px 0;padding-left:28px;position:relative;
  color:var(--text2);font-size:.9rem;
}
.feature-list li::before{
  content:'✅';position:absolute;left:0;
}
.feature-visual{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);padding:40px;text-align:center;
  font-size:5rem;display:flex;align-items:center;justify-content:center;
  min-height:280px;
}

/* ═══════════════════════════════════════════
   EXTRACTED UTILITY CLASSES (replaces inline styles)
   ═══════════════════════════════════════════ */

/* ── Layout helpers ── */
.centered-container{max-width:720px;margin:0 auto}
.centered-container--wide{max-width:800px;margin:0 auto}
.section-reveal{text-align:center;margin-bottom:48px}
.section-reveal--sm{text-align:center;margin-bottom:40px}
.section-reveal--mt{text-align:center;margin-top:40px}
.grid--flush{margin-top:0}
.btn-full-width{width:100%;justify-content:center}
.btn-cta-centered{justify-content:center;margin-top:8px}
.partner-icon{font-size:2rem}
.partners-section{min-height:60vh}

/* ── Blog page ── */
.blog-filters{justify-content:center;gap:8px;padding:0 0 30px}
.blog-filter-btn{padding:8px 20px;font-size:.85rem}

/* ── Heritage belts (belt-color backgrounds) ── */
.belt-color--white{background:#fff}
.belt-color--yellow1{background:#facc15}
.belt-color--yellow2{background:#eab308}
.belt-color--green1{background:#22c55e}
.belt-color--green2{background:#16a34a}
.belt-color--blue1{background:#3b82f6}
.belt-color--blue2{background:#2563eb}
.belt-color--red1{background:#ef4444}
.belt-color--red2{background:#dc2626}
.belt-color--red3{background:#b91c1c}
.belt-color--red-yellow{background:linear-gradient(135deg,#dc2626,#eab308)}
.belt-color--red-white{background:linear-gradient(135deg,#dc2626,#fff)}
.belt-color--yellow-red{background:linear-gradient(135deg,#eab308 50%,#dc2626 50%)}
.belt-color--purple{background:linear-gradient(135deg,#c084fc,#6366f1)}

/* ── Index page Immersive belts ── */
.belt-color--imm-white{background:#fff;border:1px solid #ccc}
.belt-color--imm-blue{background:#2196f3}
.belt-color--imm-green{background:#4caf50}
.belt-color--imm-red{background:#f44336}
.belt-color--imm-gold{background:#ffc107}
.belt-color--imm-red-gold{background:linear-gradient(90deg,#c41e3a,#c9a84c)}
.belt-color--imm-tri{background:linear-gradient(90deg,#fff,#c41e3a,#c9a84c);width:64px}
.belt-item--full{grid-column:1/-1}

/* ── Index page (immersive layout) ── */
.imm-gold-text{color:var(--imm-gold)}
.imm-subtitle--centered{margin:0 auto}
.imm-subtitle--centered-wide{margin:0 auto;max-width:700px}
.imm-subtitle--mb24{margin-bottom:24px}
.imm-subtitle--mb32{margin-bottom:32px}
.imm-subtitle--partners{margin:16px auto 48px}
.heritage-blockquote{border-left:2px solid var(--imm-gold);padding-left:20px;margin:24px 0}
.heritage-blockquote p{font-family:var(--font-heading);font-style:italic;font-size:1.1rem;color:var(--imm-text2);line-height:1.8}
.heritage-label{font-family:var(--font-body);font-size:.72rem;font-weight:700;letter-spacing:3px;text-transform:uppercase;color:var(--imm-gold);margin-bottom:16px}
.overlay-copy{font-size:.72rem;color:var(--imm-text3);letter-spacing:1px}

/* ── Pricing page ── */
.pricing-hero{padding:60px 20px 40px}
.pricing-hero-title{font-size:2.6rem;font-weight:900;margin:12px 0}
.pricing-hero-tagline{font-size:1.1rem}
.section--tight-top{padding-top:20px}

/* ── Privacy page ── */
.privacy-intro{margin-bottom:30px}
.privacy-heading{font-size:1.3rem;margin-bottom:12px}
.privacy-card{margin-bottom:24px}
.privacy-list{padding-left:20px}
.privacy-list--mt{padding-left:20px;margin-top:8px}
.privacy-list-item{margin:6px 0;color:var(--text2)}
.privacy-detail-item{margin:4px 0;color:var(--text2);font-size:.88rem}
.privacy-strong{color:var(--text)}
.privacy-strong--green{color:var(--green)}
.privacy-section-icon{color:var(--accent2);margin-bottom:8px}
.privacy-grid{margin:0}
.privacy-link{color:var(--accent2)}

/* ══ ANIMATIONS ══ */
@keyframes fadeIn{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
.animate-in{opacity:0;transform:translateY(20px);transition:all .6s cubic-bezier(.4,0,.2,1)}
.animate-in.visible{opacity:1;transform:translateY(0)}

/* ══ RESPONSIVE ══ */
@media(max-width:900px){
  .feature-detail{grid-template-columns:1fr}
  .feature-visual{min-height:200px;font-size:3.5rem}
}
@media(max-width:768px){
  .grid,.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .pricing-grid{grid-template-columns:1fr}
  .roi-grid{grid-template-columns:repeat(2,1fr)}
  .steps-grid{grid-template-columns:repeat(2,1fr)}
  .hero-logo{font-size:2.4rem}
  .hero-tagline{font-size:1.1rem}
  .section{padding:50px 0}
  .section-header h2{font-size:1.6rem}
  .page-hero h1{font-size:1.8rem}
  .stats-bar{gap:8px}
  .stat-item{min-width:100px;padding:16px}
  .form-row{grid-template-columns:1fr}
  .timeline::before{left:16px}
  .timeline-item{padding-left:44px}
  .timeline-dot{left:8px}
  .error-code{font-size:5rem}
  .belt-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr))}
}
@media(max-width:480px){
  .steps-grid{grid-template-columns:1fr}
  .hero-buttons{flex-direction:column;align-items:center}
  .btn{width:100%;justify-content:center}
  .error-code{font-size:4rem}
}

/* ═══════════════════════════════════════════
   BACK TO TOP BUTTON
   ═══════════════════════════════════════════ */
.back-to-top{
  position:fixed;bottom:24px;right:24px;z-index:999;
  width:48px;height:48px;border-radius:50%;border:none;
  background:var(--accentG);color:#fff;
  font-size:1.2rem;font-weight:700;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(20px);
  transition:all .3s cubic-bezier(.4,0,.2,1);
  box-shadow:0 4px 20px rgba(99,102,241,.3);
}
.back-to-top.visible{opacity:1;visibility:visible;transform:translateY(0)}
.back-to-top:hover{transform:translateY(-3px);box-shadow:0 8px 30px rgba(99,102,241,.4)}

/* ═══════════════════════════════════════════
   BLOG FILTER ACTIVE STATE
   ═══════════════════════════════════════════ */
.blog-filter--active{
  background:var(--accentG) !important;
  color:#fff !important;
  border-color:transparent !important;
}

/* ═══════════════════════════════════════════
   ACCESSIBILITY — Focus Visible
   ═══════════════════════════════════════════ */
:focus-visible{
  outline:3px solid var(--accent);
  outline-offset:2px;
  border-radius:4px;
}
a:focus-visible,button:focus-visible,input:focus-visible,
select:focus-visible,textarea:focus-visible{
  outline:3px solid var(--accent);
  outline-offset:2px;
}

/* ═══════════════════════════════════════════
   ACCESSIBILITY — Reduced Motion
   ═══════════════════════════════════════════ */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:0.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:0.01ms !important;
    scroll-behavior:auto !important;
  }
  .animate-in{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ═══════════════════════════════════════════
   LOADING SPINNER
   ═══════════════════════════════════════════ */
.loading-spinner{
  display:flex;align-items:center;justify-content:center;
  padding:60px;
}
.spinner{
  width:40px;height:40px;border-radius:50%;
  border:3px solid var(--border);
  border-top-color:var(--accent);
  animation:spin .8s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}

/* ═══════════════════════════════════════════
   POST NAVIGATION
   ═══════════════════════════════════════════ */
.post-nav{
  margin-top:32px;padding-top:24px;
  border-top:1px solid var(--border);
}