/* ═══════════════════════════════════════
   CoEvo Landing · Design System v2
   ═══════════════════════════════════════ */

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}

:root{
  --bg:#FAFAFC; --bg-alt:#F0F1F5; --bg-dark:#090A10;
  --surface:#FFFFFF; --border:#E4E5EB;
  --text:#12131A; --text-secondary:#696B78; --text-muted:#A0A2AB;
  --purple:#595CE6; --purple-hover:#4B4ED0; --purple-bg:rgba(89,92,230,.06);
  --radius:12px; --radius-lg:20px;
  --shadow:0 1px 3px rgba(0,0,0,.04);
  --shadow-md:0 4px 16px rgba(0,0,0,.06);
  --font:'Space Grotesk','Noto Sans SC',system-ui,sans-serif;
  --mono:'JetBrains Mono',monospace;
  --max:1100px;
}
body{font-family:var(--font);color:var(--text);background:var(--bg);line-height:1.65;overflow-x:hidden}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}

/* ─── Layout ─── */
.container{max-width:var(--max);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-alt{background:var(--bg-alt)}

.section-header{text-align:center;max-width:640px;margin:0 auto 64px}
.section-tag{display:inline-block;padding:6px 16px;background:var(--purple-bg);color:var(--purple);border-radius:100px;font-size:12px;font-weight:600;letter-spacing:.03em;margin-bottom:16px}
.section-header h2{font-size:clamp(26px,4vw,36px);font-weight:700;line-height:1.2;margin-bottom:12px;letter-spacing:-.01em}
.section-header p{font-size:15px;color:var(--text-secondary);line-height:1.7}

/* ─── Nav ─── */
.navbar{position:fixed;top:0;left:0;right:0;height:64px;z-index:100;transition:background .3s}
.navbar.scrolled{background:rgba(255,255,255,.92);backdrop-filter:blur(16px);border-bottom:1px solid var(--border)}
.nav-container{max-width:var(--max);margin:0 auto;padding:0 24px;height:100%;display:flex;align-items:center;justify-content:space-between}
.nav-logo{display:flex;align-items:center;gap:8px;font-weight:700;font-size:17px;color:#fff;transition:color .3s}
.navbar.scrolled .nav-logo{color:var(--text)}
.logo-mark{font-size:18px;color:#9DA0F0}
.navbar.scrolled .logo-mark{color:var(--purple)}
.nav-links{display:flex;gap:24px;align-items:center}
.nav-link{font-size:13px;font-weight:500;color:rgba(255,255,255,.65);transition:color .2s}
.navbar.scrolled .nav-link{color:var(--text-secondary)}
.nav-link:hover{color:#fff}
.navbar.scrolled .nav-link:hover{color:var(--purple)}
.nav-login{color:rgba(255,255,255,.9)!important;font-weight:600}
.navbar.scrolled .nav-login{color:var(--text)!important}
.nav-cta{background:var(--purple);color:#fff!important;padding:8px 18px;border-radius:100px;font-weight:600;font-size:12px;transition:all .25s}
.nav-cta:hover{background:var(--purple-hover);transform:translateY(-1px)}

/* ─── Role cards ─── */
.role-card{transition:all .3s!important}
.role-card:hover{transform:translateY(-4px);box-shadow:0 8px 32px rgba(0,0,0,.12)!important;border-color:var(--purple)!important}
.nav-cta.navbar.scrolled{color:#fff!important}

/* Mobile nav toggle */
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:4px}
.nav-toggle span{display:block;width:22px;height:2px;background:#fff;border-radius:2px;transition:.3s}
.navbar.scrolled .nav-toggle span{background:var(--text)}

/* ─── Hero ─── */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;justify-content:center;background:var(--bg-dark);overflow:hidden}
#particleCanvas{position:absolute;inset:0}
.hero-overlay{position:absolute;inset:0;background:radial-gradient(ellipse 60% 60% at 50% 20%,rgba(89,92,230,.15),transparent)}
.hero-content{position:relative;z-index:2;text-align:center;padding:0 24px;max-width:720px}
.hero-label{display:inline-block;padding:6px 18px;background:rgba(89,92,230,.1);border:1px solid rgba(157,160,240,.2);color:#9DA0F0;border-radius:100px;font-size:12px;font-weight:500;margin-bottom:32px}
.hero-title{font-size:clamp(28px,5vw,50px);font-weight:700;color:#fff;line-height:1.15;margin-bottom:24px;letter-spacing:-.02em}
.hero-accent{background:linear-gradient(135deg,#9DA0F0,#0EB08A);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero-subtitle{font-size:clamp(15px,1.6vw,17px);color:rgba(255,255,255,.5);line-height:1.7;max-width:480px;margin:0 auto 36px}
.hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:100px;font-size:15px;font-weight:600;transition:all .3s;cursor:pointer;border:none;font-family:var(--font)}
.btn-primary{background:var(--purple);color:#fff}
.btn-primary:hover{background:var(--purple-hover);transform:translateY(-2px);box-shadow:0 6px 20px rgba(89,92,230,.35)}
.btn-ghost{background:rgba(255,255,255,.05);color:rgba(255,255,255,.8);border:1px solid rgba(255,255,255,.1)}
.btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff}
.btn-large{padding:18px 48px;font-size:16px}
.hero-stats{display:flex;align-items:center;justify-content:center;gap:40px;margin-top:56px}
.stat{text-align:center}
.stat-num{font-family:var(--mono);font-size:26px;font-weight:700;color:#fff;display:block}
.stat-lbl{font-size:12px;color:rgba(255,255,255,.3);margin-top:4px;display:block}
.stat-sep{width:1px;height:36px;background:rgba(255,255,255,.08)}

/* ─── 3-Column Grid ─── */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:36px 32px;transition:all .3s}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:rgba(89,92,230,.15)}
.card-icon{width:40px;height:40px;border-radius:var(--radius);display:flex;align-items:center;justify-content:center;font-size:17px;margin-bottom:20px}
.card-icon.purple{background:var(--purple-bg);color:var(--purple)}
.card-icon.cyan{background:rgba(6,182,212,.06);color:#06B6D4}
.card-icon.accent{background:var(--purple);color:#fff}
.card h3{font-size:17px;font-weight:700;margin-bottom:8px}
.card p{font-size:14px;color:var(--text-secondary);line-height:1.7}
.card-accent{background:linear-gradient(160deg,var(--surface),var(--purple-bg));border-color:rgba(89,92,230,.12)}
.card-quote{margin-top:14px;font-weight:600;color:var(--purple);font-size:14px}

/* ─── Pain Rows ─── */
.pain-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:10px}
.pain-row{display:flex;align-items:center;gap:20px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px 28px;transition:all .3s}
.pain-row:hover{border-color:rgba(89,92,230,.15);box-shadow:var(--shadow-md)}
.pain-label{font-size:13px;font-weight:700;color:var(--purple);background:var(--purple-bg);padding:5px 14px;border-radius:100px;white-space:nowrap;min-width:52px;text-align:center}
.pain-problem{flex:1;font-size:14px;color:var(--text-secondary);line-height:1.6}
.pain-arrow{font-size:18px;color:var(--purple);font-weight:600;min-width:24px;text-align:center}
.pain-fix{flex:1;font-size:14px;font-weight:600;color:var(--text);line-height:1.6}

/* ─── Bento ─── */
.bento{max-width:860px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:16px}
.bento-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:36px;transition:all .3s}
.bento-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.bento-num{font-family:var(--mono);font-size:12px;color:var(--purple);font-weight:600;margin-bottom:16px;display:block}
.bento-card h3{font-size:18px;font-weight:700;margin-bottom:8px}
.bento-card p{font-size:14px;color:var(--text-secondary);line-height:1.7}
.bento-main{grid-row:span 2}
.bento-main h3{font-size:22px}
.bento-main p{font-size:15px}
.bento-stats{background:linear-gradient(160deg,var(--surface),var(--purple-bg))}
.mini-stats{display:flex;gap:28px;margin-top:20px;padding-top:16px;border-top:1px solid var(--border)}
.mini-stats div{text-align:center}
.mini-stats strong{font-family:var(--mono);font-size:20px;color:var(--purple);display:block}
.mini-stats small{font-size:11px;color:var(--text-muted)}

/* ─── Steps ─── */
.steps{max-width:600px;margin:0 auto;display:flex;flex-direction:column}
.step{display:flex;gap:20px;align-items:flex-start;padding:24px 0;position:relative}
.step+.step::before{content:'';position:absolute;left:18px;top:-8px;bottom:40px;width:2px;background:var(--border)}
.step-marker{width:38px;height:38px;min-width:38px;border-radius:50%;background:var(--purple);color:#fff;display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:14px;font-weight:700;position:relative;z-index:1}
.step-body h3{font-size:17px;font-weight:700;margin-bottom:4px}
.step-body p{font-size:14px;color:var(--text-secondary);line-height:1.6}

/* ─── Compare ─── */
.compare-wrap{max-width:800px;margin:0 auto;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md)}
.compare-table{width:100%;border-collapse:collapse;background:var(--surface)}
.compare-table th,.compare-table td{padding:14px 24px;text-align:left;border-bottom:1px solid var(--border);font-size:14px;line-height:1.6}
.compare-table th{background:var(--bg-dark);color:#fff;font-weight:600;font-size:13px}
.compare-table .coevo-col{border-left:2px solid var(--purple)}
.compare-table .coevo-col strong{color:var(--purple)}
.compare-table .coevo-col em{font-style:normal;font-weight:600;color:var(--purple)}
.compare-table .dim{font-weight:600}
.compare-table tbody tr:hover{background:var(--purple-bg)}

/* ─── CTA ─── */
.cta-section{background:var(--bg-dark)}
.cta-card{max-width:720px;margin:0 auto;background:linear-gradient(160deg,#11131F,#1A1240);border:1px solid rgba(157,160,240,.12);border-radius:var(--radius-lg);padding:56px 56px 48px;display:flex;gap:48px;align-items:center}
.cta-body{flex:1}
.cta-card h2{font-size:clamp(26px,3.5vw,34px);font-weight:700;color:#fff;line-height:1.2;margin:16px 0 24px}
.cta-points{display:flex;flex-direction:column;gap:10px;margin-bottom:20px}
.cta-point{font-size:14px;color:rgba(255,255,255,.55)}
.cta-meta{font-size:13px;color:rgba(255,255,255,.25);margin-top:20px}
.cta-action{flex-shrink:0}

/* ─── Footer ─── */
.footer{background:var(--bg-dark);color:#fff;padding:72px 0 36px}
.footer-inner{display:flex;justify-content:space-between;gap:48px;flex-wrap:wrap}
.footer-brand{max-width:260px}
.footer-logo{font-size:18px;font-weight:700;margin-bottom:8px;display:block}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.35);line-height:1.6}
.footer-links{display:flex;gap:56px}
.footer-col h4{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:rgba(255,255,255,.2);margin-bottom:14px}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.4);margin-bottom:8px;transition:color .2s}
.footer-col a:hover{color:#9DA0F0}
.footer-foot{display:flex;gap:24px;align-items:center;margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.06)}
.footer-foot p,.footer-foot a{font-size:12px;color:rgba(255,255,255,.2)}
.footer-foot a:hover{color:rgba(255,255,255,.45)}

/* ─── Reveal ─── */
[data-reveal]{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease}
[data-reveal].visible{opacity:1;transform:translateY(0)}

/* ─── Responsive ─── */
@media(max-width:800px){
  .grid-3{grid-template-columns:1fr}
  .pain-row{flex-wrap:wrap;gap:12px}
  .pain-label{min-width:auto}
  .pain-arrow{display:none}
  .bento{grid-template-columns:1fr}
  .bento-main{grid-row:auto}
  .cta-card{flex-direction:column;text-align:center;padding:40px 32px;gap:32px}
  .steps{max-width:100%}
}
@media(max-width:640px){
  .section{padding:64px 0}
  .nav-toggle{display:flex}
  .nav-links{position:fixed;top:64px;left:0;right:0;background:rgba(255,255,255,.98);backdrop-filter:blur(16px);flex-direction:column;padding:24px;gap:16px;transform:translateY(-100%);opacity:0;transition:all .3s;pointer-events:none}
  .nav-links.open{transform:translateY(0);opacity:1;pointer-events:all}
  .nav-link{color:var(--text)!important;font-size:16px}
  .hero-stats{gap:24px;flex-wrap:wrap}
  .stat-sep{display:none}
  .compare-wrap{overflow-x:auto}
  .compare-table th,.compare-table td{padding:12px 14px;font-size:13px}
  .footer-inner{flex-direction:column;gap:32px}
  .footer-links{gap:32px}
  .footer-foot{flex-wrap:wrap;gap:12px}
}